diff options
1231 files changed, 17768 insertions, 9045 deletions
@@ -99,6 +99,8 @@ Linas Vepstas <linas@austin.ibm.com> Linus Lüssing <linus.luessing@c0d3.blue> <linus.luessing@web.de> Linus Lüssing <linus.luessing@c0d3.blue> <linus.luessing@ascom.ch> Mark Brown <broonie@sirena.org.uk> +Martin Kepplinger <martink@posteo.de> <martin.kepplinger@theobroma-systems.com> +Martin Kepplinger <martink@posteo.de> <martin.kepplinger@ginzinger.com> Matthieu CASTET <castet.matthieu@free.fr> Mauro Carvalho Chehab <mchehab@kernel.org> <mchehab@brturbo.com.br> Mauro Carvalho Chehab <mchehab@kernel.org> <maurochehab@gmail.com> @@ -171,6 +173,7 @@ Vlad Dogaru <ddvlad@gmail.com> <vlad.dogaru@intel.com> Vladimir Davydov <vdavydov.dev@gmail.com> <vdavydov@virtuozzo.com> Vladimir Davydov <vdavydov.dev@gmail.com> <vdavydov@parallels.com> Takashi YOSHII <takashi.yoshii.zj@renesas.com> +Yakir Yang <kuankuan.y@gmail.com> <ykk@rock-chips.com> Yusuke Goda <goda.yusuke@renesas.com> Gustavo Padovan <gustavo@las.ic.unicamp.br> Gustavo Padovan <padovan@profusion.mobi> diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt index 2ba45ca..facc20a 100644 --- a/Documentation/admin-guide/kernel-parameters.txt +++ b/Documentation/admin-guide/kernel-parameters.txt @@ -1725,6 +1725,12 @@ kernel and module base offset ASLR (Address Space Layout Randomization). + kasan_multi_shot + [KNL] Enforce KASAN (Kernel Address Sanitizer) to print + report on every invalid memory access. Without this + parameter KASAN will print report only for the first + invalid access. + keepinitrd [HW,ARM] kernelcore= [KNL,X86,IA-64,PPC] diff --git a/Documentation/cgroup-v2.txt b/Documentation/cgroup-v2.txt index 3b8449f..49d7c99 100644 --- a/Documentation/cgroup-v2.txt +++ b/Documentation/cgroup-v2.txt @@ -1142,16 +1142,17 @@ used by the kernel. pids.max - A read-write single value file which exists on non-root cgroups. The - default is "max". + A read-write single value file which exists on non-root + cgroups. The default is "max". - Hard limit of number of processes. + Hard limit of number of processes. pids.current - A read-only single value file which exists on all cgroups. + A read-only single value file which exists on all cgroups. - The number of processes currently in the cgroup and its descendants. + The number of processes currently in the cgroup and its + descendants. Organisational operations are not blocked by cgroup policies, so it is possible to have pids.current > pids.max. This can be done by either diff --git a/Documentation/devicetree/bindings/arm/marvell/cp110-system-controller0.txt b/Documentation/devicetree/bindings/arm/marvell/cp110-system-controller0.txt index 30c5469..07dbb35 100644 --- a/Documentation/devicetree/bindings/arm/marvell/cp110-system-controller0.txt +++ b/Documentation/devicetree/bindings/arm/marvell/cp110-system-controller0.txt @@ -45,7 +45,7 @@ The following clocks are available: - 1 15 SATA - 1 16 SATA USB - 1 17 Main - - 1 18 SD/MMC + - 1 18 SD/MMC/GOP - 1 21 Slow IO (SPI, NOR, BootROM, I2C, UART) - 1 22 USB3H0 - 1 23 USB3H1 @@ -65,7 +65,7 @@ Required properties: "cpm-audio", "cpm-communit", "cpm-nand", "cpm-ppv2", "cpm-sdio", "cpm-mg-domain", "cpm-mg-core", "cpm-xor1", "cpm-xor0", "cpm-gop-dp", "none", "cpm-pcie_x10", "cpm-pcie_x11", "cpm-pcie_x4", "cpm-pcie-xor", "cpm-sata", - "cpm-sata-usb", "cpm-main", "cpm-sd-mmc", "none", "none", "cpm-slow-io", + "cpm-sata-usb", "cpm-main", "cpm-sd-mmc-gop", "none", "none", "cpm-slow-io", "cpm-usb3h0", "cpm-usb3h1", "cpm-usb3dev", "cpm-eip150", "cpm-eip197"; Example: @@ -78,6 +78,6 @@ Example: gate-clock-output-names = "cpm-audio", "cpm-communit", "cpm-nand", "cpm-ppv2", "cpm-sdio", "cpm-mg-domain", "cpm-mg-core", "cpm-xor1", "cpm-xor0", "cpm-gop-dp", "none", "cpm-pcie_x10", "cpm-pcie_x11", "cpm-pcie_x4", "cpm-pcie-xor", "cpm-sata", - "cpm-sata-usb", "cpm-main", "cpm-sd-mmc", "none", "none", "cpm-slow-io", + "cpm-sata-usb", "cpm-main", "cpm-sd-mmc-gop", "none", "none", "cpm-slow-io", "cpm-usb3h0", "cpm-usb3h1", "cpm-usb3dev", "cpm-eip150", "cpm-eip197"; }; diff --git a/Documentation/devicetree/bindings/display/exynos/exynos_dsim.txt b/Documentation/devicetree/bindings/display/exynos/exynos_dsim.txt index a782659..ca5204b 100644 --- a/Documentation/devicetree/bindings/display/exynos/exynos_dsim.txt +++ b/Documentation/devicetree/bindings/display/exynos/exynos_dsim.txt @@ -4,7 +4,6 @@ Required properties: - compatible: value should be one of the following "samsung,exynos3250-mipi-dsi" /* for Exynos3250/3472 SoCs */ "samsung,exynos4210-mipi-dsi" /* for Exynos4 SoCs */ - "samsung,exynos4415-mipi-dsi" /* for Exynos4415 SoC */ "samsung,exynos5410-mipi-dsi" /* for Exynos5410/5420/5440 SoCs */ "samsung,exynos5422-mipi-dsi" /* for Exynos5422/5800 SoCs */ "samsung,exynos5433-mipi-dsi" /* for Exynos5433 SoCs */ diff --git a/Documentation/devicetree/bindings/display/exynos/samsung-fimd.txt b/Documentation/devicetree/bindings/display/exynos/samsung-fimd.txt index 18645e0..5837402c 100644 --- a/Documentation/devicetree/bindings/display/exynos/samsung-fimd.txt +++ b/Documentation/devicetree/bindings/display/exynos/samsung-fimd.txt @@ -11,7 +11,6 @@ Required properties: "samsung,s5pv210-fimd"; /* for S5PV210 SoC */ "samsung,exynos3250-fimd"; /* for Exynos3250/3472 SoCs */ "samsung,exynos4210-fimd"; /* for Exynos4 SoCs */ - "samsung,exynos4415-fimd"; /* for Exynos4415 SoC */ "samsung,exynos5250-fimd"; /* for Exynos5250 SoCs */ "samsung,exynos5420-fimd"; /* for Exynos5420/5422/5800 SoCs */ diff --git a/Documentation/devicetree/bindings/mmc/rockchip-dw-mshc.txt b/Documentation/devicetree/bindings/mmc/rockchip-dw-mshc.txt index ea9c1c9..520d61d 100644 --- a/Documentation/devicetree/bindings/mmc/rockchip-dw-mshc.txt +++ b/Documentation/devicetree/bindings/mmc/rockchip-dw-mshc.txt @@ -13,7 +13,7 @@ Required Properties: - "rockchip,rk2928-dw-mshc": for Rockchip RK2928 and following, before RK3288 - "rockchip,rk3288-dw-mshc": for Rockchip RK3288 - - "rockchip,rk1108-dw-mshc", "rockchip,rk3288-dw-mshc": for Rockchip RK1108 + - "rockchip,rv1108-dw-mshc", "rockchip,rk3288-dw-mshc": for Rockchip RV1108 - "rockchip,rk3036-dw-mshc", "rockchip,rk3288-dw-mshc": for Rockchip RK3036 - "rockchip,rk3368-dw-mshc", "rockchip,rk3288-dw-mshc": for Rockchip RK3368 - "rockchip,rk3399-dw-mshc", "rockchip,rk3288-dw-mshc": for Rockchip RK3399 diff --git a/Documentation/devicetree/bindings/phy/brcm,nsp-usb3-phy.txt b/Documentation/devicetree/bindings/phy/brcm,nsp-usb3-phy.txt deleted file mode 100644 index e68ae5d..0000000 --- a/Documentation/devicetree/bindings/phy/brcm,nsp-usb3-phy.txt +++ /dev/null @@ -1,39 +0,0 @@ -Broadcom USB3 phy binding for northstar plus SoC -The USB3 phy is internal to the SoC and is accessed using mdio interface. - -Required mdio bus properties: -- reg: Should be 0x0 for SoC internal USB3 phy -- #address-cells: must be 1 -- #size-cells: must be 0 - -Required USB3 PHY properties: -- compatible: should be "brcm,nsp-usb3-phy" -- reg: USB3 Phy address on SoC internal MDIO bus and it should be 0x10. -- usb3-ctrl-syscon: handler of syscon node defining physical address - of usb3 control register. -- #phy-cells: must be 0 - -Required usb3 control properties: -- compatible: should be "brcm,nsp-usb3-ctrl" -- reg: offset and length of the control registers - -Example: - - mdio@0 { - reg = <0x0>; - #address-cells = <1>; - #size-cells = <0>; - - usb3_phy: usb-phy@10 { - compatible = "brcm,nsp-usb3-phy"; - reg = <0x10>; - usb3-ctrl-syscon = <&usb3_ctrl>; - #phy-cells = <0>; - status = "disabled"; - }; - }; - - usb3_ctrl: syscon@104408 { - compatible = "brcm,nsp-usb3-ctrl", "syscon"; - reg = <0x104408 0x3fc>; - }; diff --git a/Documentation/devicetree/bindings/powerpc/4xx/emac.txt b/Documentation/devicetree/bindings/powerpc/4xx/emac.txt index 712baf6..44b842b 100644 --- a/Documentation/devicetree/bindings/powerpc/4xx/emac.txt +++ b/Documentation/devicetree/bindings/powerpc/4xx/emac.txt @@ -71,6 +71,9 @@ For Axon it can be absent, though my current driver doesn't handle phy-address yet so for now, keep 0x00ffffff in it. + - phy-handle : Used to describe configurations where a external PHY + is used. Please refer to: + Documentation/devicetree/bindings/net/ethernet.txt - rx-fifo-size-gige : 1 cell, Rx fifo size in bytes for 1000 Mb/sec operations (if absent the value is the same as rx-fifo-size). For Axon, either absent or 2048. @@ -81,8 +84,22 @@ offload, phandle of the TAH device node. - tah-channel : 1 cell, optional. If appropriate, channel used on the TAH engine. + - fixed-link : Fixed-link subnode describing a link to a non-MDIO + managed entity. See + Documentation/devicetree/bindings/net/fixed-link.txt + for details. + - mdio subnode : When the EMAC has a phy connected to its local + mdio, which us supported by the kernel's network + PHY library in drivers/net/phy, there must be device + tree subnode with the following required properties: + - #address-cells: Must be <1>. + - #size-cells: Must be <0>. - Example: + For PHY definitions: Please refer to + Documentation/devicetree/bindings/net/phy.txt and + Documentation/devicetree/bindings/net/ethernet.txt + + Examples: EMAC0: ethernet@40000800 { device_type = "network"; @@ -104,6 +121,48 @@ zmii-channel = <0>; }; + EMAC1: ethernet@ef600c00 { + device_type = "network"; + compatible = "ibm,emac-apm821xx", "ibm,emac4sync"; + interrupt-parent = <&EMAC1>; + interrupts = <0 1>; + #interrupt-cells = <1>; + #address-cells = <0>; + #size-cells = <0>; + interrupt-map = <0 &UIC2 0x10 IRQ_TYPE_LEVEL_HIGH /* Status */ + 1 &UIC2 0x14 IRQ_TYPE_LEVEL_HIGH /* Wake */>; + reg = <0xef600c00 0x000000c4>; + local-mac-address = [000000000000]; /* Filled in by U-Boot */ + mal-device = <&MAL0>; + mal-tx-channel = <0>; + mal-rx-channel = <0>; + cell-index = <0>; + max-frame-size = <9000>; + rx-fifo-size = <16384>; + tx-fifo-size = <2048>; + fifo-entry-size = <10>; + phy-mode = "rgmii"; + phy-handle = <&phy0>; + phy-map = <0x00000000>; + rgmii-device = <&RGMII0>; + rgmii-channel = <0>; + tah-device = <&TAH0>; + tah-channel = <0>; + has-inverted-stacr-oc; + has-new-stacr-staopc; + + mdio { + #address-cells = <1>; + #size-cells = <0>; + + phy0: ethernet-phy@0 { + compatible = "ethernet-phy-ieee802.3-c22"; + reg = <0>; + }; + }; + }; + + ii) McMAL node Required properties: @@ -145,4 +204,3 @@ - revision : as provided by the RGMII new version register if available. For Axon: 0x0000012a - diff --git a/Documentation/devicetree/bindings/rng/omap_rng.txt b/Documentation/devicetree/bindings/rng/omap_rng.txt index 4714772..9cf7876 100644 --- a/Documentation/devicetree/bindings/rng/omap_rng.txt +++ b/Documentation/devicetree/bindings/rng/omap_rng.txt @@ -12,7 +12,8 @@ Required properties: - reg : Offset and length of the register set for the module - interrupts : the interrupt number for the RNG module. Used for "ti,omap4-rng" and "inside-secure,safexcel-eip76" -- clocks: the trng clock source +- clocks: the trng clock source. Only mandatory for the + "inside-secure,safexcel-eip76" compatible. Example: /* AM335x */ diff --git a/Documentation/extcon/intel-int3496.txt b/Documentation/extcon/intel-int3496.txt index af0b366..8155dbc 100644 --- a/Documentation/extcon/intel-int3496.txt +++ b/Documentation/extcon/intel-int3496.txt @@ -20,3 +20,8 @@ Index 1: The output gpio for enabling Vbus output from the device to the otg Index 2: The output gpio for muxing of the data pins between the USB host and the USB peripheral controller, write 1 to mux to the peripheral controller + +There is a mapping between indices and GPIO connection IDs as follows + id index 0 + vbus index 1 + mux index 2 diff --git a/Documentation/filesystems/Locking b/Documentation/filesystems/Locking index fdcfdd7..fe25787 100644 --- a/Documentation/filesystems/Locking +++ b/Documentation/filesystems/Locking @@ -58,8 +58,7 @@ prototypes: int (*permission) (struct inode *, int, unsigned int); int (*get_acl)(struct inode *, int); int (*setattr) (struct dentry *, struct iattr *); - int (*getattr) (const struct path *, struct dentry *, struct kstat *, - u32, unsigned int); + int (*getattr) (const struct path *, struct kstat *, u32, unsigned int); ssize_t (*listxattr) (struct dentry *, char *, size_t); int (*fiemap)(struct inode *, struct fiemap_extent_info *, u64 start, u64 len); void (*update_time)(struct inode *, struct timespec *, int); diff --git a/Documentation/filesystems/porting b/Documentation/filesystems/porting index 9528007..5fb17f4 100644 --- a/Documentation/filesystems/porting +++ b/Documentation/filesystems/porting @@ -600,3 +600,9 @@ in your dentry operations instead. [recommended] ->readlink is optional for symlinks. Don't set, unless filesystem needs to fake something for readlink(2). +-- +[mandatory] + ->getattr() is now passed a struct path rather than a vfsmount and + dentry separately, and it now has request_mask and query_flags arguments + to specify the fields and sync type requested by statx. Filesystems not + supporting any statx-specific features may ignore the new arguments. diff --git a/Documentation/filesystems/vfs.txt b/Documentation/filesystems/vfs.txt index 5692117..94dd27e 100644 --- a/Documentation/filesystems/vfs.txt +++ b/Documentation/filesystems/vfs.txt @@ -382,8 +382,7 @@ struct inode_operations { int (*permission) (struct inode *, int); int (*get_acl)(struct inode *, int); int (*setattr) (struct dentry *, struct iattr *); - int (*getattr) (const struct path *, struct dentry *, struct kstat *, - u32, unsigned int); + int (*getattr) (const struct path *, struct kstat *, u32, unsigned int); ssize_t (*listxattr) (struct dentry *, char *, size_t); void (*update_time)(struct inode *, struct timespec *, int); int (*atomic_open)(struct inode *, struct dentry *, struct file *, diff --git a/Documentation/gcc-plugins.txt b/Documentation/gcc-plugins.txt index 891c694..433eaef 100644 --- a/Documentation/gcc-plugins.txt +++ b/Documentation/gcc-plugins.txt @@ -18,8 +18,8 @@ because gcc versions 4.5 and 4.6 are compiled by a C compiler, gcc-4.7 can be compiled by a C or a C++ compiler, and versions 4.8+ can only be compiled by a C++ compiler. -Currently the GCC plugin infrastructure supports only the x86, arm and arm64 -architectures. +Currently the GCC plugin infrastructure supports only the x86, arm, arm64 and +powerpc architectures. This infrastructure was ported from grsecurity [6] and PaX [7]. diff --git a/Documentation/networking/ip-sysctl.txt b/Documentation/networking/ip-sysctl.txt index fc73eeb..ab02304 100644 --- a/Documentation/networking/ip-sysctl.txt +++ b/Documentation/networking/ip-sysctl.txt @@ -1006,7 +1006,8 @@ accept_redirects - BOOLEAN FALSE (router) forwarding - BOOLEAN - Enable IP forwarding on this interface. + Enable IP forwarding on this interface. This controls whether packets + received _on_ this interface can be forwarded. mc_forwarding - BOOLEAN Do multicast routing. The kernel needs to be compiled with CONFIG_MROUTE diff --git a/Documentation/pinctrl.txt b/Documentation/pinctrl.txt index 54bd5fa..f2af35f 100644 --- a/Documentation/pinctrl.txt +++ b/Documentation/pinctrl.txt @@ -77,9 +77,15 @@ static struct pinctrl_desc foo_desc = { int __init foo_probe(void) { + int error; + struct pinctrl_dev *pctl; - return pinctrl_register_and_init(&foo_desc, <PARENT>, NULL, &pctl); + error = pinctrl_register_and_init(&foo_desc, <PARENT>, NULL, &pctl); + if (error) + return error; + + return pinctrl_enable(pctl); } To enable the pinctrl subsystem and the subgroups for PINMUX and PINCONF and diff --git a/Documentation/process/stable-kernel-rules.rst b/Documentation/process/stable-kernel-rules.rst index 11ec2d9..61e9c78 100644 --- a/Documentation/process/stable-kernel-rules.rst +++ b/Documentation/process/stable-kernel-rules.rst @@ -124,7 +124,7 @@ specified in the following format in the sign-off area: .. code-block:: none - Cc: <stable@vger.kernel.org> # 3.3.x- + Cc: <stable@vger.kernel.org> # 3.3.x The tag has the meaning of: diff --git a/Documentation/virtual/kvm/api.txt b/Documentation/virtual/kvm/api.txt index 3c248f7..fd10689 100644 --- a/Documentation/virtual/kvm/api.txt +++ b/Documentation/virtual/kvm/api.txt @@ -3377,6 +3377,69 @@ struct kvm_ppc_resize_hpt { __u32 pad; }; +4.104 KVM_X86_GET_MCE_CAP_SUPPORTED + +Capability: KVM_CAP_MCE +Architectures: x86 +Type: system ioctl +Parameters: u64 mce_cap (out) +Returns: 0 on success, -1 on error + +Returns supported MCE capabilities. The u64 mce_cap parameter +has the same format as the MSR_IA32_MCG_CAP register. Supported +capabilities will have the corresponding bits set. + +4.105 KVM_X86_SETUP_MCE + +Capability: KVM_CAP_MCE +Architectures: x86 +Type: vcpu ioctl +Parameters: u64 mcg_cap (in) +Returns: 0 on success, + -EFAULT if u64 mcg_cap cannot be read, + -EINVAL if the requested number of banks is invalid, + -EINVAL if requested MCE capability is not supported. + +Initializes MCE support for use. The u64 mcg_cap parameter +has the same format as the MSR_IA32_MCG_CAP register and +specifies which capabilities should be enabled. The maximum +supported number of error-reporting banks can be retrieved when +checking for KVM_CAP_MCE. The supported capabilities can be +retrieved with KVM_X86_GET_MCE_CAP_SUPPORTED. + +4.106 KVM_X86_SET_MCE + +Capability: KVM_CAP_MCE +Architectures: x86 +Type: vcpu ioctl +Parameters: struct kvm_x86_mce (in) +Returns: 0 on success, + -EFAULT if struct kvm_x86_mce cannot be read, + -EINVAL if the bank number is invalid, + -EINVAL if VAL bit is not set in status field. + +Inject a machine check error (MCE) into the guest. The input +parameter is: + +struct kvm_x86_mce { + __u64 status; + __u64 addr; + __u64 misc; + __u64 mcg_status; + __u8 bank; + __u8 pad1[7]; + __u64 pad2[3]; +}; + +If the MCE being reported is an uncorrected error, KVM will +inject it as an MCE exception into the guest. If the guest +MCG_STATUS register reports that an MCE is in progress, KVM +causes an KVM_EXIT_SHUTDOWN vmexit. + +Otherwise, if the MCE is a corrected error, KVM will just +store it in the corresponding bank (provided this bank is +not holding a previously reported uncorrected error). + 5. The kvm_run structure ------------------------ diff --git a/Documentation/virtual/kvm/devices/arm-vgic.txt b/Documentation/virtual/kvm/devices/arm-vgic.txt index 76e61c8..b2f60ca 100644 --- a/Documentation/virtual/kvm/devices/arm-vgic.txt +++ b/Documentation/virtual/kvm/devices/arm-vgic.txt @@ -83,6 +83,12 @@ Groups: Bits for undefined preemption levels are RAZ/WI. + For historical reasons and to provide ABI compatibility with userspace we + export the GICC_PMR register in the format of the GICH_VMCR.VMPriMask + field in the lower 5 bits of a word, meaning that userspace must always + use the lower 5 bits to communicate with the KVM device and must shift the + value left by 3 places to obtain the actual priority mask level. + Limitations: - Priorities are not implemented, and registers are RAZ/WI - Currently only implemented for KVM_DEV_TYPE_ARM_VGIC_V2. diff --git a/MAINTAINERS b/MAINTAINERS index c776906..676c139 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -3216,7 +3216,6 @@ F: drivers/platform/chrome/ CISCO VIC ETHERNET NIC DRIVER M: Christian Benvenuti <benve@cisco.com> -M: Sujith Sankar <ssujith@cisco.com> M: Govindarajulu Varadarajan <_govind@gmx.com> M: Neel Patel <neepatel@cisco.com> S: Supported @@ -4118,14 +4117,13 @@ F: drivers/block/drbd/ F: lib/lru_cache.c F: Documentation/blockdev/drbd/ -DRIVER CORE, KOBJECTS, DEBUGFS, KERNFS AND SYSFS +DRIVER CORE, KOBJECTS, DEBUGFS AND SYSFS M: Greg Kroah-Hartman <gregkh@linuxfoundation.org> T: git git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core.git S: Supported F: Documentation/kobject.txt F: drivers/base/ F: fs/debugfs/ -F: fs/kernfs/ F: fs/sysfs/ F: include/linux/debugfs.h F: include/linux/kobj* @@ -4776,6 +4774,12 @@ L: linux-edac@vger.kernel.org S: Maintained F: drivers/edac/mpc85xx_edac.[ch] +EDAC-PND2 +M: Tony Luck <tony.luck@intel.com> +L: linux-edac@vger.kernel.org +S: Maintained +F: drivers/edac/pnd2_edac.[ch] + EDAC-PASEMI M: Egor Martovetsky <egor@pasemi.com> L: linux-edac@vger.kernel.org @@ -4923,6 +4927,7 @@ F: include/linux/netfilter_bridge/ F: net/bridge/ ETHERNET PHY LIBRARY +M: Andrew Lunn <andrew@lunn.ch> M: Florian Fainelli <f.fainelli@gmail.com> L: netdev@vger.kernel.org S: Maintained @@ -7084,9 +7089,9 @@ S: Maintained F: fs/autofs4/ KERNEL BUILD + files below scripts/ (unless maintained elsewhere) +M: Masahiro Yamada <yamada.masahiro@socionext.com> M: Michal Marek <mmarek@suse.com> -T: git git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild.git for-next -T: git git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild.git rc-fixes +T: git git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild.git L: linux-kbuild@vger.kernel.org S: Maintained F: Documentation/kbuild/ @@ -7203,6 +7208,14 @@ F: arch/mips/include/uapi/asm/kvm* F: arch/mips/include/asm/kvm* F: arch/mips/kvm/ +KERNFS +M: Greg Kroah-Hartman <gregkh@linuxfoundation.org> +M: Tejun Heo <tj@kernel.org> +T: git git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core.git +S: Supported +F: include/linux/kernfs.h +F: fs/kernfs/ + KEXEC M: Eric Biederman <ebiederm@xmission.com> W: http://kernel.org/pub/linux/utils/kernel/kexec/ @@ -7774,13 +7787,6 @@ F: include/net/mac80211.h F: net/mac80211/ F: drivers/net/wireless/mac80211_hwsim.[ch] -MACVLAN DRIVER -M: Patrick McHardy <kaber@trash.net> -L: netdev@vger.kernel.org -S: Maintained -F: drivers/net/macvlan.c -F: include/linux/if_macvlan.h - MAILBOX API M: Jassi Brar <jassisinghbrar@gmail.com> L: linux-kernel@vger.kernel.org @@ -7853,6 +7859,8 @@ F: drivers/net/ethernet/marvell/mvneta.* MARVELL MWIFIEX WIRELESS DRIVER M: Amitkumar Karwar <akarwar@marvell.com> M: Nishant Sarmukadam <nishants@marvell.com> +M: Ganapathi Bhat <gbhat@marvell.com> +M: Xinming Hu <huxm@marvell.com> L: linux-wireless@vger.kernel.org S: Maintained F: drivers/net/wireless/marvell/mwifiex/ @@ -10814,6 +10822,7 @@ F: drivers/s390/block/dasd* F: block/partitions/ibm.c S390 NETWORK DRIVERS +M: Julian Wiedmann <jwi@linux.vnet.ibm.com> M: Ursula Braun <ubraun@linux.vnet.ibm.com> L: linux-s390@vger.kernel.org W: http://www.ibm.com/developerworks/linux/linux390/ @@ -10844,6 +10853,7 @@ S: Supported F: drivers/s390/scsi/zfcp_* S390 IUCV NETWORK LAYER +M: Julian Wiedmann <jwi@linux.vnet.ibm.com> M: Ursula Braun <ubraun@linux.vnet.ibm.com> L: linux-s390@vger.kernel.org W: http://www.ibm.com/developerworks/linux/linux390/ @@ -13295,7 +13305,7 @@ F: drivers/virtio/ F: tools/virtio/ F: drivers/net/virtio_net.c F: drivers/block/virtio_blk.c -F: include/linux/virtio_*.h +F: include/linux/virtio*.h F: include/uapi/linux/virtio_*.h F: drivers/crypto/virtio/ @@ -13383,14 +13393,6 @@ W: https://linuxtv.org S: Maintained F: drivers/media/platform/vivid/* -VLAN (802.1Q) -M: Patrick McHardy <kaber@trash.net> -L: netdev@vger.kernel.org -S: Maintained -F: drivers/net/macvlan.c -F: include/linux/if_*vlan.h -F: net/8021q/ - VLYNQ BUS M: Florian Fainelli <f.fainelli@gmail.com> L: openwrt-devel@lists.openwrt.org (subscribers-only) @@ -1,7 +1,7 @@ VERSION = 4 PATCHLEVEL = 11 SUBLEVEL = 0 -EXTRAVERSION = -rc2 +EXTRAVERSION = -rc6 NAME = Fearless Coyote # *DOCUMENTATION* @@ -372,7 +372,7 @@ LDFLAGS_MODULE = CFLAGS_KERNEL = AFLAGS_KERNEL = LDFLAGS_vmlinux = -CFLAGS_GCOV = -fprofile-arcs -ftest-coverage -fno-tree-loop-im -Wno-maybe-uninitialized +CFLAGS_GCOV := -fprofile-arcs -ftest-coverage -fno-tree-loop-im $(call cc-disable-warning,maybe-uninitialized,) CFLAGS_KCOV := $(call cc-option,-fsanitize-coverage=trace-pc,) @@ -653,6 +653,12 @@ KBUILD_CFLAGS += $(call cc-ifversion, -lt, 0409, \ # Tell gcc to never replace conditional load with a non-conditional one KBUILD_CFLAGS += $(call cc-option,--param=allow-store-data-races=0) +# check for 'asm goto' +ifeq ($(shell $(CONFIG_SHELL) $(srctree)/scripts/gcc-goto.sh $(CC) $(KBUILD_CFLAGS)), y) + KBUILD_CFLAGS += -DCC_HAVE_ASM_GOTO + KBUILD_AFLAGS += -DCC_HAVE_ASM_GOTO +endif + include scripts/Makefile.gcc-plugins ifdef CONFIG_READABLE_ASM @@ -798,12 +804,6 @@ KBUILD_CFLAGS += $(call cc-option,-Werror=incompatible-pointer-types) # use the deterministic mode of AR if available KBUILD_ARFLAGS := $(call ar-option,D) -# check for 'asm goto' -ifeq ($(shell $(CONFIG_SHELL) $(srctree)/scripts/gcc-goto.sh $(CC) $(KBUILD_CFLAGS)), y) - KBUILD_CFLAGS += -DCC_HAVE_ASM_GOTO - KBUILD_AFLAGS += -DCC_HAVE_ASM_GOTO -endif - include scripts/Makefile.kasan include scripts/Makefile.extrawarn include scripts/Makefile.ubsan diff --git a/arch/alpha/kernel/osf_sys.c b/arch/alpha/kernel/osf_sys.c index 0b96109..6d76e52 100644 --- a/arch/alpha/kernel/osf_sys.c +++ b/arch/alpha/kernel/osf_sys.c @@ -1290,7 +1290,7 @@ SYSCALL_DEFINE1(old_adjtimex, struct timex32 __user *, txc_p) /* copy relevant bits of struct timex. */ if (copy_from_user(&txc, txc_p, offsetof(struct timex32, time)) || copy_from_user(&txc.tick, &txc_p->tick, sizeof(struct timex32) - - offsetof(struct timex32, time))) + offsetof(struct timex32, tick))) return -EFAULT; ret = do_adjtimex(&txc); diff --git a/arch/arc/boot/dts/skeleton.dtsi b/arch/arc/boot/dts/skeleton.dtsi index 65808fe..2891cb2 100644 --- a/arch/arc/boot/dts/skeleton.dtsi +++ b/arch/arc/boot/dts/skeleton.dtsi @@ -26,6 +26,7 @@ device_type = "cpu"; compatible = "snps,arc770d"; reg = <0>; + clocks = <&core_clk>; }; }; diff --git a/arch/arc/boot/dts/skeleton_hs.dtsi b/arch/arc/boot/dts/skeleton_hs.dtsi index 2dfe803..5e944d3 100644 --- a/arch/arc/boot/dts/skeleton_hs.dtsi +++ b/arch/arc/boot/dts/skeleton_hs.dtsi @@ -21,6 +21,7 @@ device_type = "cpu"; compatible = "snps,archs38"; reg = <0>; + clocks = <&core_clk>; }; }; diff --git a/arch/arc/boot/dts/skeleton_hs_idu.dtsi b/arch/arc/boot/dts/skeleton_hs_idu.dtsi index 4c11079..54b277d 100644 --- a/arch/arc/boot/dts/skeleton_hs_idu.dtsi +++ b/arch/arc/boot/dts/skeleton_hs_idu.dtsi @@ -19,8 +19,27 @@ cpu@0 { device_type = "cpu"; - compatible = "snps,archs38xN"; + compatible = "snps,archs38"; reg = <0>; + clocks = <&core_clk>; + }; + cpu@1 { + device_type = "cpu"; + compatible = "snps,archs38"; + reg = <1>; + clocks = <&core_clk>; + }; + cpu@2 { + device_type = "cpu"; + compatible = "snps,archs38"; + reg = <2>; + clocks = <&core_clk>; + }; + cpu@3 { + device_type = "cpu"; + compatible = "snps,archs38"; + reg = <3>; + clocks = <&core_clk>; }; }; diff --git a/arch/arc/boot/dts/vdk_axs10x_mb.dtsi b/arch/arc/boot/dts/vdk_axs10x_mb.dtsi index f0df59b..459fc65 100644 --- a/arch/arc/boot/dts/vdk_axs10x_mb.dtsi +++ b/arch/arc/boot/dts/vdk_axs10x_mb.dtsi @@ -112,13 +112,19 @@ interrupts = <7>; bus-width = <4>; }; + }; - /* Embedded Vision subsystem UIO mappings; only relevant for EV VDK */ - uio_ev: uio@0xD0000000 { - compatible = "generic-uio"; - reg = <0xD0000000 0x2000 0xD1000000 0x2000 0x90000000 0x10000000 0xC0000000 0x10000000>; - reg-names = "ev_gsa", "ev_ctrl", "ev_shared_mem", "ev_code_mem"; - interrupts = <23>; - }; + /* + * Embedded Vision subsystem UIO mappings; only relevant for EV VDK + * + * This node is intentionally put outside of MB above becase + * it maps areas outside of MB's 0xEz-0xFz. + */ + uio_ev: uio@0xD0000000 { + compatible = "generic-uio"; + reg = <0xD0000000 0x2000 0xD1000000 0x2000 0x90000000 0x10000000 0xC0000000 0x10000000>; + reg-names = "ev_gsa", "ev_ctrl", "ev_shared_mem", "ev_code_mem"; + interrupt-parent = <&mb_intc>; + interrupts = <23>; }; }; diff --git a/arch/arc/include/asm/kprobes.h b/arch/arc/include/asm/kprobes.h index 00bdbe1..2e52d18 100644 --- a/arch/arc/include/asm/kprobes.h +++ b/arch/arc/include/asm/kprobes.h @@ -54,9 +54,7 @@ int kprobe_fault_handler(struct pt_regs *regs, unsigned long cause); void kretprobe_trampoline(void); void trap_is_kprobe(unsigned long address, struct pt_regs *regs); #else -static void trap_is_kprobe(unsigned long address, struct pt_regs *regs) -{ -} +#define trap_is_kprobe(address, regs) #endif /* CONFIG_KPROBES */ #endif /* _ARC_KPROBES_H */ diff --git a/arch/arc/kernel/entry-arcv2.S b/arch/arc/kernel/entry-arcv2.S index 2585632..cc558a2 100644 --- a/arch/arc/kernel/entry-arcv2.S +++ b/arch/arc/kernel/entry-arcv2.S @@ -100,15 +100,21 @@ END(handle_interrupt) ;################### Non TLB Exception Handling ############################# ENTRY(EV_SWI) - flag 1 + ; TODO: implement this + EXCEPTION_PROLOGUE + b ret_from_exception END(EV_SWI) ENTRY(EV_DivZero) - flag 1 + ; TODO: implement this + EXCEPTION_PROLOGUE + b ret_from_exception END(EV_DivZero) ENTRY(EV_DCError) - flag 1 + ; TODO: implement this + EXCEPTION_PROLOGUE + b ret_from_exception END(EV_DCError) ; --------------------------------------------- diff --git a/arch/arc/kernel/setup.c b/arch/arc/kernel/setup.c index 3093fa8..fa62404 100644 --- a/arch/arc/kernel/setup.c +++ b/arch/arc/kernel/setup.c @@ -10,6 +10,7 @@ #include <linux/fs.h> #include <linux/delay.h> #include <linux/root_dev.h> +#include <linux/clk.h> #include <linux/clk-provider.h> #include <linux/clocksource.h> #include <linux/console.h> @@ -488,8 +489,9 @@ static int show_cpuinfo(struct seq_file *m, void *v) { char *str; int cpu_id = ptr_to_cpu(v); - struct device_node *core_clk = of_find_node_by_name(NULL, "core_clk"); - u32 freq = 0; + struct device *cpu_dev = get_cpu_device(cpu_id); + struct clk *cpu_clk; + unsigned long freq = 0; if (!cpu_online(cpu_id)) { seq_printf(m, "processor [%d]\t: Offline\n", cpu_id); @@ -502,9 +504,15 @@ static int show_cpuinfo(struct seq_file *m, void *v) seq_printf(m, arc_cpu_mumbojumbo(cpu_id, str, PAGE_SIZE)); - of_property_read_u32(core_clk, "clock-frequency", &freq); + cpu_clk = clk_get(cpu_dev, NULL); + if (IS_ERR(cpu_clk)) { + seq_printf(m, "CPU speed \t: Cannot get clock for processor [%d]\n", + cpu_id); + } else { + freq = clk_get_rate(cpu_clk); + } if (freq) - seq_printf(m, "CPU speed\t: %u.%02u Mhz\n", + seq_printf(m, "CPU speed\t: %lu.%02lu Mhz\n", freq / 1000000, (freq / 10000) % 100); seq_printf(m, "Bogo MIPS\t: %lu.%02lu\n", diff --git a/arch/arc/mm/cache.c b/arch/arc/mm/cache.c index d408fa2..9285629 100644 --- a/arch/arc/mm/cache.c +++ b/arch/arc/mm/cache.c @@ -633,6 +633,9 @@ noinline static void slc_entire_op(const int op) write_aux_reg(ARC_REG_SLC_INVALIDATE, 1); + /* Make sure "busy" bit reports correct stataus, see STAR 9001165532 */ + read_aux_reg(r); + /* Important to wait for flush to complete */ while (read_aux_reg(r) & SLC_CTRL_BUSY); } diff --git a/arch/arm/boot/dts/sun8i-a33.dtsi b/arch/arm/boot/dts/sun8i-a33.dtsi index a367c0a..306af6c 100644 --- a/arch/arm/boot/dts/sun8i-a33.dtsi +++ b/arch/arm/boot/dts/sun8i-a33.dtsi @@ -113,8 +113,8 @@ simple-audio-card,mclk-fs = <512>; simple-audio-card,aux-devs = <&codec_analog>; simple-audio-card,routing = - "Left DAC", "Digital Left DAC", - "Right DAC", "Digital Right DAC"; + "Left DAC", "AIF1 Slot 0 Left", + "Right DAC", "AIF1 Slot 0 Right"; status = "disabled"; simple-audio-card,cpu { diff --git a/arch/arm/kvm/arm.c b/arch/arm/kvm/arm.c index 96dba7c..314eb6a 100644 --- a/arch/arm/kvm/arm.c +++ b/arch/arm/kvm/arm.c @@ -1124,6 +1124,9 @@ static void cpu_hyp_reinit(void) if (__hyp_get_vectors() == hyp_default_vectors) cpu_init_hyp_mode(NULL); } + + if (vgic_present) + kvm_vgic_init_cpu_hardware(); } static void cpu_hyp_reset(void) diff --git a/arch/arm/kvm/mmu.c b/arch/arm/kvm/mmu.c index 962616f..582a972 100644 --- a/arch/arm/kvm/mmu.c +++ b/arch/arm/kvm/mmu.c @@ -292,11 +292,18 @@ static void unmap_stage2_range(struct kvm *kvm, phys_addr_t start, u64 size) phys_addr_t addr = start, end = start + size; phys_addr_t next; + assert_spin_locked(&kvm->mmu_lock); pgd = kvm->arch.pgd + stage2_pgd_index(addr); do { next = stage2_pgd_addr_end(addr, end); if (!stage2_pgd_none(*pgd)) unmap_stage2_puds(kvm, pgd, addr, next); + /* + * If the range is too large, release the kvm->mmu_lock + * to prevent starvation and lockup detector warnings. + */ + if (next != end) + cond_resched_lock(&kvm->mmu_lock); } while (pgd++, addr = next, addr != end); } @@ -803,6 +810,7 @@ void stage2_unmap_vm(struct kvm *kvm) int idx; idx = srcu_read_lock(&kvm->srcu); + down_read(¤t->mm->mmap_sem); spin_lock(&kvm->mmu_lock); slots = kvm_memslots(kvm); @@ -810,6 +818,7 @@ void stage2_unmap_vm(struct kvm *kvm) stage2_unmap_memslot(kvm, memslot); spin_unlock(&kvm->mmu_lock); + up_read(¤t->mm->mmap_sem); srcu_read_unlock(&kvm->srcu, idx); } @@ -829,7 +838,10 @@ void kvm_free_stage2_pgd(struct kvm *kvm) if (kvm->arch.pgd == NULL) return; + spin_lock(&kvm->mmu_lock); unmap_stage2_range(kvm, 0, KVM_PHYS_SIZE); + spin_unlock(&kvm->mmu_lock); + /* Free the HW pgd, one page at a time */ free_pages_exact(kvm->arch.pgd, S2_PGD_SIZE); kvm->arch.pgd = NULL; @@ -1801,6 +1813,7 @@ int kvm_arch_prepare_memory_region(struct kvm *kvm, (KVM_PHYS_SIZE >> PAGE_SHIFT)) return -EFAULT; + down_read(¤t->mm->mmap_sem); /* * A memory region could potentially cover multiple VMAs, and any holes * between them, so iterate over all of them to find out if we can map @@ -1844,8 +1857,10 @@ int kvm_arch_prepare_memory_region(struct kvm *kvm, pa += vm_start - vma->vm_start; /* IO region dirty page logging not allowed */ - if (memslot->flags & KVM_MEM_LOG_DIRTY_PAGES) - return -EINVAL; + if (memslot->flags & KVM_MEM_LOG_DIRTY_PAGES) { + ret = -EINVAL; + goto out; + } ret = kvm_phys_addr_ioremap(kvm, gpa, pa, vm_end - vm_start, @@ -1857,7 +1872,7 @@ int kvm_arch_prepare_memory_region(struct kvm *kvm, } while (hva < reg_end); if (change == KVM_MR_FLAGS_ONLY) - return ret; + goto out; spin_lock(&kvm->mmu_lock); if (ret) @@ -1865,6 +1880,8 @@ int kvm_arch_prepare_memory_region(struct kvm *kvm, else stage2_flush_memslot(kvm, memslot); spin_unlock(&kvm->mmu_lock); +out: + up_read(¤t->mm->mmap_sem); return ret; } diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c index 63eabb0..475811f 100644 --- a/arch/arm/mm/dma-mapping.c +++ b/arch/arm/mm/dma-mapping.c @@ -935,13 +935,31 @@ static void arm_coherent_dma_free(struct device *dev, size_t size, void *cpu_add __arm_dma_free(dev, size, cpu_addr, handle, attrs, true); } +/* + * The whole dma_get_sgtable() idea is fundamentally unsafe - it seems + * that the intention is to allow exporting memory allocated via the + * coherent DMA APIs through the dma_buf API, which only accepts a + * scattertable. This presents a couple of problems: + * 1. Not all memory allocated via the coherent DMA APIs is backed by + * a struct page + * 2. Passing coherent DMA memory into the streaming APIs is not allowed + * as we will try to flush the memory through a different alias to that + * actually being used (and the flushes are redundant.) + */ int arm_dma_get_sgtable(struct device *dev, struct sg_table *sgt, void *cpu_addr, dma_addr_t handle, size_t size, unsigned long attrs) { - struct page *page = pfn_to_page(dma_to_pfn(dev, handle)); + unsigned long pfn = dma_to_pfn(dev, handle); + struct page *page; int ret; + /* If the PFN is not valid, we do not have a struct page */ + if (!pfn_valid(pfn)) + return -ENXIO; + + page = pfn_to_page(pfn); + ret = sg_alloc_table(sgt, 1, GFP_KERNEL); if (unlikely(ret)) return ret; diff --git a/arch/arm/mm/nommu.c b/arch/arm/mm/nommu.c index 3b5c7aa..33a45bd9 100644 --- a/arch/arm/mm/nommu.c +++ b/arch/arm/mm/nommu.c @@ -303,7 +303,10 @@ static inline void set_vbar(unsigned long val) */ static inline bool security_extensions_enabled(void) { - return !!cpuid_feature_extract(CPUID_EXT_PFR1, 4); + /* Check CPUID Identification Scheme before ID_PFR1 read */ + if ((read_cpuid_id() & 0x000f0000) == 0x000f0000) + return !!cpuid_feature_extract(CPUID_EXT_PFR1, 4); + return 0; } static unsigned long __init setup_vectors_base(void) diff --git a/arch/arm/probes/kprobes/core.c b/arch/arm/probes/kprobes/core.c index b6dc9d8..ad1f4e6 100644 --- a/arch/arm/probes/kprobes/core.c +++ b/arch/arm/probes/kprobes/core.c @@ -266,11 +266,20 @@ void __kprobes kprobe_handler(struct pt_regs *regs) #endif if (p) { - if (cur) { + if (!p->ainsn.insn_check_cc(regs->ARM_cpsr)) { + /* + * Probe hit but conditional execution check failed, + * so just skip the instruction and continue as if + * nothing had happened. + * In this case, we can skip recursing check too. + */ + singlestep_skip(p, regs); + } else if (cur) { /* Kprobe is pending, so we're recursing. */ switch (kcb->kprobe_status) { case KPROBE_HIT_ACTIVE: case KPROBE_HIT_SSDONE: + case KPROBE_HIT_SS: /* A pre- or post-handler probe got us here. */ kprobes_inc_nmissed_count(p); save_previous_kprobe(kcb); @@ -279,11 +288,16 @@ void __kprobes kprobe_handler(struct pt_regs *regs) singlestep(p, regs, kcb); restore_previous_kprobe(kcb); break; + case KPROBE_REENTER: + /* A nested probe was hit in FIQ, it is a BUG */ + pr_warn("Unrecoverable kprobe detected at %p.\n", + p->addr); + /* fall through */ default: /* impossible cases */ BUG(); } - } else if (p->ainsn.insn_check_cc(regs->ARM_cpsr)) { + } else { /* Probe hit and conditional execution check ok. */ set_current_kprobe(p); kcb->kprobe_status = KPROBE_HIT_ACTIVE; @@ -304,13 +318,6 @@ void __kprobes kprobe_handler(struct pt_regs *regs) } reset_current_kprobe(); } - } else { - /* - * Probe hit but conditional execution check failed, - * so just skip the instruction and continue as if - * nothing had happened. - */ - singlestep_skip(p, regs); } } else if (cur) { /* We probably hit a jprobe. Call its break handler. */ @@ -434,6 +441,7 @@ static __used __kprobes void *trampoline_handler(struct pt_regs *regs) struct hlist_node *tmp; unsigned long flags, orig_ret_address = 0; unsigned long trampoline_address = (unsigned long)&kretprobe_trampoline; + kprobe_opcode_t *correct_ret_addr = NULL; INIT_HLIST_HEAD(&empty_rp); kretprobe_hash_lock(current, &head, &flags); @@ -456,14 +464,34 @@ static __used __kprobes void *trampoline_handler(struct pt_regs *regs) /* another task is sharing our hash bucket */ continue; + orig_ret_address = (unsigned long)ri->ret_addr; + + if (orig_ret_address != trampoline_address) + /* + * This is the real return address. Any other + * instances associated with this task are for + * other calls deeper on the call stack + */ + break; + } + + kretprobe_assert(ri, orig_ret_address, trampoline_address); + + correct_ret_addr = ri->ret_addr; + hlist_for_each_entry_safe(ri, tmp, head, hlist) { + if (ri->task != current) + /* another task is sharing our hash bucket */ + continue; + + orig_ret_address = (unsigned long)ri->ret_addr; if (ri->rp && ri->rp->handler) { __this_cpu_write(current_kprobe, &ri->rp->kp); get_kprobe_ctlblk()->kprobe_status = KPROBE_HIT_ACTIVE; + ri->ret_addr = correct_ret_addr; ri->rp->handler(ri, regs); __this_cpu_write(current_kprobe, NULL); } - orig_ret_address = (unsigned long)ri->ret_addr; recycle_rp_inst(ri, &empty_rp); if (orig_ret_address != trampoline_address) @@ -475,7 +503,6 @@ static __used __kprobes void *trampoline_handler(struct pt_regs *regs) break; } - kretprobe_assert(ri, orig_ret_address, trampoline_address); kretprobe_hash_unlock(current, &flags); hlist_for_each_entry_safe(ri, tmp, &empty_rp, hlist) { diff --git a/arch/arm/probes/kprobes/test-core.c b/arch/arm/probes/kprobes/test-core.c index c893726..1c98a87 100644 --- a/arch/arm/probes/kprobes/test-core.c +++ b/arch/arm/probes/kprobes/test-core.c @@ -977,7 +977,10 @@ static void coverage_end(void) void __naked __kprobes_test_case_start(void) { __asm__ __volatile__ ( - "stmdb sp!, {r4-r11} \n\t" + "mov r2, sp \n\t" + "bic r3, r2, #7 \n\t" + "mov sp, r3 \n\t" + "stmdb sp!, {r2-r11} \n\t" "sub sp, sp, #"__stringify(TEST_MEMORY_SIZE)"\n\t" "bic r0, lr, #1 @ r0 = inline data \n\t" "mov r1, sp \n\t" @@ -997,7 +1000,8 @@ void __naked __kprobes_test_case_end_32(void) "movne pc, r0 \n\t" "mov r0, r4 \n\t" "add sp, sp, #"__stringify(TEST_MEMORY_SIZE)"\n\t" - "ldmia sp!, {r4-r11} \n\t" + "ldmia sp!, {r2-r11} \n\t" + "mov sp, r2 \n\t" "mov pc, r0 \n\t" ); } @@ -1013,7 +1017,8 @@ void __naked __kprobes_test_case_end_16(void) "bxne r0 \n\t" "mov r0, r4 \n\t" "add sp, sp, #"__stringify(TEST_MEMORY_SIZE)"\n\t" - "ldmia sp!, {r4-r11} \n\t" + "ldmia sp!, {r2-r11} \n\t" + "mov sp, r2 \n\t" "bx r0 \n\t" ); } diff --git a/arch/arm/tools/syscall.tbl b/arch/arm/tools/syscall.tbl index 3c2cb5d..0bb0e9c 100644 --- a/arch/arm/tools/syscall.tbl +++ b/arch/arm/tools/syscall.tbl @@ -411,3 +411,4 @@ 394 common pkey_mprotect sys_pkey_mprotect 395 common pkey_alloc sys_pkey_alloc 396 common pkey_free sys_pkey_free +397 common statx sys_statx diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index 8c7c244..3741859 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -1073,6 +1073,10 @@ config SYSVIPC_COMPAT def_bool y depends on COMPAT && SYSVIPC +config KEYS_COMPAT + def_bool y + depends on COMPAT && KEYS + endmenu menu "Power management options" diff --git a/arch/arm64/include/asm/cpufeature.h b/arch/arm64/include/asm/cpufeature.h index 05310ad..f31c48d 100644 --- a/arch/arm64/include/asm/cpufeature.h +++ b/arch/arm64/include/asm/cpufeature.h @@ -251,7 +251,7 @@ static inline bool system_supports_fpsimd(void) static inline bool system_uses_ttbr0_pan(void) { return IS_ENABLED(CONFIG_ARM64_SW_TTBR0_PAN) && - !cpus_have_cap(ARM64_HAS_PAN); + !cpus_have_const_cap(ARM64_HAS_PAN); } #endif /* __ASSEMBLY__ */ diff --git a/arch/arm64/include/asm/current.h b/arch/arm64/include/asm/current.h index 86c4041..f6580d4 100644 --- a/arch/arm64/include/asm/current.h +++ b/arch/arm64/include/asm/current.h @@ -3,8 +3,6 @@ #include <linux/compiler.h> -#include <asm/sysreg.h> - #ifndef __ASSEMBLY__ struct task_struct; diff --git a/arch/arm64/include/asm/unistd.h b/arch/arm64/include/asm/unistd.h index e78ac26..bdbeb06 100644 --- a/arch/arm64/include/asm/unistd.h +++ b/arch/arm64/include/asm/unistd.h @@ -44,7 +44,7 @@ #define __ARM_NR_compat_cacheflush (__ARM_NR_COMPAT_BASE+2) #define __ARM_NR_compat_set_tls (__ARM_NR_COMPAT_BASE+5) -#define __NR_compat_syscalls 394 +#define __NR_compat_syscalls 398 #endif #define __ARCH_WANT_SYS_CLONE diff --git a/arch/arm64/include/asm/unistd32.h b/arch/arm64/include/asm/unistd32.h index b7e8ef1..c66b51a 100644 --- a/arch/arm64/include/asm/unistd32.h +++ b/arch/arm64/include/asm/unistd32.h @@ -809,6 +809,14 @@ __SYSCALL(__NR_copy_file_range, sys_copy_file_range) __SYSCALL(__NR_preadv2, compat_sys_preadv2) #define __NR_pwritev2 393 __SYSCALL(__NR_pwritev2, compat_sys_pwritev2) +#define __NR_pkey_mprotect 394 +__SYSCALL(__NR_pkey_mprotect, sys_pkey_mprotect) +#define __NR_pkey_alloc 395 +__SYSCALL(__NR_pkey_alloc, sys_pkey_alloc) +#define __NR_pkey_free 396 +__SYSCALL(__NR_pkey_free, sys_pkey_free) +#define __NR_statx 397 +__SYSCALL(__NR_statx, sys_statx) /* * Please add new compat syscalls above this comment and update diff --git a/arch/arm64/kernel/cpuidle.c b/arch/arm64/kernel/cpuidle.c index 75a0f8a..fd69108 100644 --- a/arch/arm64/kernel/cpuidle.c +++ b/arch/arm64/kernel/cpuidle.c @@ -30,7 +30,7 @@ int arm_cpuidle_init(unsigned int cpu) } /** - * cpu_suspend() - function to enter a low-power idle state + * arm_cpuidle_suspend() - function to enter a low-power idle state * @arg: argument to pass to CPU suspend operations * * Return: 0 on success, -EOPNOTSUPP if CPU suspend hook not initialized, CPU diff --git a/arch/arm64/kernel/kaslr.c b/arch/arm64/kernel/kaslr.c index 769f24e..d7e90d9 100644 --- a/arch/arm64/kernel/kaslr.c +++ b/arch/arm64/kernel/kaslr.c @@ -131,11 +131,15 @@ u64 __init kaslr_early_init(u64 dt_phys, u64 modulo_offset) /* * The kernel Image should not extend across a 1GB/32MB/512MB alignment * boundary (for 4KB/16KB/64KB granule kernels, respectively). If this - * happens, increase the KASLR offset by the size of the kernel image. + * happens, increase the KASLR offset by the size of the kernel image + * rounded up by SWAPPER_BLOCK_SIZE. */ if ((((u64)_text + offset + modulo_offset) >> SWAPPER_TABLE_SHIFT) != - (((u64)_end + offset + modulo_offset) >> SWAPPER_TABLE_SHIFT)) - offset = (offset + (u64)(_end - _text)) & mask; + (((u64)_end + offset + modulo_offset) >> SWAPPER_TABLE_SHIFT)) { + u64 kimg_sz = _end - _text; + offset = (offset + round_up(kimg_sz, SWAPPER_BLOCK_SIZE)) + & mask; + } if (IS_ENABLED(CONFIG_KASAN)) /* diff --git a/arch/arm64/kernel/probes/kprobes.c b/arch/arm64/kernel/probes/kprobes.c index 2a07aae..c5c4594 100644 --- a/arch/arm64/kernel/probes/kprobes.c +++ b/arch/arm64/kernel/probes/kprobes.c @@ -372,12 +372,6 @@ int __kprobes kprobe_fault_handler(struct pt_regs *regs, unsigned int fsr) return 0; } -int __kprobes kprobe_exceptions_notify(struct notifier_block *self, - unsigned long val, void *data) -{ - return NOTIFY_DONE; -} - static void __kprobes kprobe_handler(struct pt_regs *regs) { struct kprobe *p, *cur_kprobe; diff --git a/arch/arm64/kernel/smp.c b/arch/arm64/kernel/smp.c index ef1caae..9b10365 100644 --- a/arch/arm64/kernel/smp.c +++ b/arch/arm64/kernel/smp.c @@ -944,7 +944,7 @@ static bool have_cpu_die(void) #ifdef CONFIG_HOTPLUG_CPU int any_cpu = raw_smp_processor_id(); - if (cpu_ops[any_cpu]->cpu_die) + if (cpu_ops[any_cpu] && cpu_ops[any_cpu]->cpu_die) return true; #endif return false; diff --git a/arch/arm64/kernel/vdso/.gitignore b/arch/arm64/kernel/vdso/.gitignore index b8cc94e..f8b69d8 100644 --- a/arch/arm64/kernel/vdso/.gitignore +++ b/arch/arm64/kernel/vdso/.gitignore @@ -1,2 +1 @@ vdso.lds -vdso-offsets.h diff --git a/arch/arm64/mm/fault.c b/arch/arm64/mm/fault.c index 4bf899f..1b35b8bd 100644 --- a/arch/arm64/mm/fault.c +++ b/arch/arm64/mm/fault.c @@ -42,7 +42,20 @@ #include <asm/pgtable.h> #include <asm/tlbflush.h> -static const char *fault_name(unsigned int esr); +struct fault_info { + int (*fn)(unsigned long addr, unsigned int esr, + struct pt_regs *regs); + int sig; + int code; + const char *name; +}; + +static const struct fault_info fault_info[]; + +static inline const struct fault_info *esr_to_fault_info(unsigned int esr) +{ + return fault_info + (esr & 63); +} #ifdef CONFIG_KPROBES static inline int notify_page_fault(struct pt_regs *regs, unsigned int esr) @@ -197,10 +210,12 @@ static void __do_user_fault(struct task_struct *tsk, unsigned long addr, struct pt_regs *regs) { struct siginfo si; + const struct fault_info *inf; if (unhandled_signal(tsk, sig) && show_unhandled_signals_ratelimited()) { + inf = esr_to_fault_info(esr); pr_info("%s[%d]: unhandled %s (%d) at 0x%08lx, esr 0x%03x\n", - tsk->comm, task_pid_nr(tsk), fault_name(esr), sig, + tsk->comm, task_pid_nr(tsk), inf->name, sig, addr, esr); show_pte(tsk->mm, addr); show_regs(regs); @@ -219,14 +234,16 @@ static void do_bad_area(unsigned long addr, unsigned int esr, struct pt_regs *re { struct task_struct *tsk = current; struct mm_struct *mm = tsk->active_mm; + const struct fault_info *inf; /* * If we are in kernel mode at this point, we have no context to * handle this fault with. */ - if (user_mode(regs)) - __do_user_fault(tsk, addr, esr, SIGSEGV, SEGV_MAPERR, regs); - else + if (user_mode(regs)) { + inf = esr_to_fault_info(esr); + __do_user_fault(tsk, addr, esr, inf->sig, inf->code, regs); + } else __do_kernel_fault(mm, addr, esr, regs); } @@ -488,12 +505,7 @@ static int do_bad(unsigned long addr, unsigned int esr, struct pt_regs *regs) return 1; } -static const struct fault_info { - int (*fn)(unsigned long addr, unsigned int esr, struct pt_regs *regs); - int sig; - int code; - const char *name; -} fault_info[] = { +static const struct fault_info fault_info[] = { { do_bad, SIGBUS, 0, "ttbr address size fault" }, { do_bad, SIGBUS, 0, "level 1 address size fault" }, { do_bad, SIGBUS, 0, "level 2 address size fault" }, @@ -560,19 +572,13 @@ static const struct fault_info { { do_bad, SIGBUS, 0, "unknown 63" }, }; -static const char *fault_name(unsigned int esr) -{ - const struct fault_info *inf = fault_info + (esr & 63); - return inf->name; -} - /* * Dispatch a data abort to the relevant handler. */ asmlinkage void __exception do_mem_abort(unsigned long addr, unsigned int esr, struct pt_regs *regs) { - const struct fault_info *inf = fault_info + (esr & 63); + const struct fault_info *inf = esr_to_fault_info(esr); struct siginfo info; if (!inf->fn(addr, esr, regs)) diff --git a/arch/arm64/mm/hugetlbpage.c b/arch/arm64/mm/hugetlbpage.c index e25584d..7514a00 100644 --- a/arch/arm64/mm/hugetlbpage.c +++ b/arch/arm64/mm/hugetlbpage.c @@ -294,10 +294,6 @@ static __init int setup_hugepagesz(char *opt) hugetlb_add_hstate(PMD_SHIFT - PAGE_SHIFT); } else if (ps == PUD_SIZE) { hugetlb_add_hstate(PUD_SHIFT - PAGE_SHIFT); - } else if (ps == (PAGE_SIZE * CONT_PTES)) { - hugetlb_add_hstate(CONT_PTE_SHIFT); - } else if (ps == (PMD_SIZE * CONT_PMDS)) { - hugetlb_add_hstate((PMD_SHIFT + CONT_PMD_SHIFT) - PAGE_SHIFT); } else { hugetlb_bad_size(); pr_err("hugepagesz: Unsupported page size %lu K\n", ps >> 10); @@ -306,13 +302,3 @@ static __init int setup_hugepagesz(char *opt) return 1; } __setup("hugepagesz=", setup_hugepagesz); - -#ifdef CONFIG_ARM64_64K_PAGES -static __init int add_default_hugepagesz(void) -{ - if (size_to_hstate(CONT_PTES * PAGE_SIZE) == NULL) - hugetlb_add_hstate(CONT_PTE_SHIFT); - return 0; -} -arch_initcall(add_default_hugepagesz); -#endif diff --git a/arch/arm64/mm/kasan_init.c b/arch/arm64/mm/kasan_init.c index 55d1e92..687a358 100644 --- a/arch/arm64/mm/kasan_init.c +++ b/arch/arm64/mm/kasan_init.c @@ -162,7 +162,7 @@ void __init kasan_init(void) clear_pgds(KASAN_SHADOW_START, KASAN_SHADOW_END); vmemmap_populate(kimg_shadow_start, kimg_shadow_end, - pfn_to_nid(virt_to_pfn(_text))); + pfn_to_nid(virt_to_pfn(lm_alias(_text)))); /* * vmemmap_populate() has populated the shadow region that covers the diff --git a/arch/c6x/kernel/ptrace.c b/arch/c6x/kernel/ptrace.c index a27e1f0..8801dc9 100644 --- a/arch/c6x/kernel/ptrace.c +++ b/arch/c6x/kernel/ptrace.c @@ -70,46 +70,6 @@ static int gpr_get(struct task_struct *target, 0, sizeof(*regs)); } -static int gpr_set(struct task_struct *target, - const struct user_regset *regset, - unsigned int pos, unsigned int count, - const void *kbuf, const void __user *ubuf) -{ - int ret; - struct pt_regs *regs = task_pt_regs(target); - - /* Don't copyin TSR or CSR */ - ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, - ®s, - 0, PT_TSR * sizeof(long)); - if (ret) - return ret; - - ret = user_regset_copyin_ignore(&pos, &count, &kbuf, &ubuf, - PT_TSR * sizeof(long), - (PT_TSR + 1) * sizeof(long)); - if (ret) - return ret; - - ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, - ®s, - (PT_TSR + 1) * sizeof(long), - PT_CSR * sizeof(long)); - if (ret) - return ret; - - ret = user_regset_copyin_ignore(&pos, &count, &kbuf, &ubuf, - PT_CSR * sizeof(long), - (PT_CSR + 1) * sizeof(long)); - if (ret) - return ret; - - ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, - ®s, - (PT_CSR + 1) * sizeof(long), -1); - return ret; -} - enum c6x_regset { REGSET_GPR, }; @@ -121,7 +81,6 @@ static const struct user_regset c6x_regsets[] = { .size = sizeof(u32), .align = sizeof(u32), .get = gpr_get, - .set = gpr_set }, }; diff --git a/arch/h8300/kernel/ptrace.c b/arch/h8300/kernel/ptrace.c index 9207554..0dc1c8f 100644 --- a/arch/h8300/kernel/ptrace.c +++ b/arch/h8300/kernel/ptrace.c @@ -95,7 +95,8 @@ static int regs_get(struct task_struct *target, long *reg = (long *)®s; /* build user regs in buffer */ - for (r = 0; r < ARRAY_SIZE(register_offset); r++) + BUILD_BUG_ON(sizeof(regs) % sizeof(long) != 0); + for (r = 0; r < sizeof(regs) / sizeof(long); r++) *reg++ = h8300_get_reg(target, r); return user_regset_copyout(&pos, &count, &kbuf, &ubuf, @@ -113,7 +114,8 @@ static int regs_set(struct task_struct *target, long *reg; /* build user regs in buffer */ - for (reg = (long *)®s, r = 0; r < ARRAY_SIZE(register_offset); r++) + BUILD_BUG_ON(sizeof(regs) % sizeof(long) != 0); + for (reg = (long *)®s, r = 0; r < sizeof(regs) / sizeof(long); r++) *reg++ = h8300_get_reg(target, r); ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, @@ -122,7 +124,7 @@ static int regs_set(struct task_struct *target, return ret; /* write back to pt_regs */ - for (reg = (long *)®s, r = 0; r < ARRAY_SIZE(register_offset); r++) + for (reg = (long *)®s, r = 0; r < sizeof(regs) / sizeof(long); r++) h8300_put_reg(target, r, *reg++); return 0; } diff --git a/arch/ia64/include/asm/asm-prototypes.h b/arch/ia64/include/asm/asm-prototypes.h new file mode 100644 index 0000000..a2c1398 --- /dev/null +++ b/arch/ia64/include/asm/asm-prototypes.h @@ -0,0 +1,29 @@ +#ifndef _ASM_IA64_ASM_PROTOTYPES_H +#define _ASM_IA64_ASM_PROTOTYPES_H + +#include <asm/cacheflush.h> +#include <asm/checksum.h> +#include <asm/esi.h> +#include <asm/ftrace.h> +#include <asm/page.h> +#include <asm/pal.h> +#include <asm/string.h> +#include <asm/uaccess.h> +#include <asm/unwind.h> +#include <asm/xor.h> + +extern const char ia64_ivt[]; + +signed int __divsi3(signed int, unsigned int); +signed int __modsi3(signed int, unsigned int); + +signed long long __divdi3(signed long long, unsigned long long); +signed long long __moddi3(signed long long, unsigned long long); + +unsigned int __udivsi3(unsigned int, unsigned int); +unsigned int __umodsi3(unsigned int, unsigned int); + +unsigned long long __udivdi3(unsigned long long, unsigned long long); +unsigned long long __umoddi3(unsigned long long, unsigned long long); + +#endif /* _ASM_IA64_ASM_PROTOTYPES_H */ diff --git a/arch/ia64/lib/Makefile b/arch/ia64/lib/Makefile index 1f3d387..0a40b14 100644 --- a/arch/ia64/lib/Makefile +++ b/arch/ia64/lib/Makefile @@ -24,25 +24,25 @@ AFLAGS___modsi3.o = -DMODULO AFLAGS___umodsi3.o = -DUNSIGNED -DMODULO $(obj)/__divdi3.o: $(src)/idiv64.S FORCE - $(call if_changed_dep,as_o_S) + $(call if_changed_rule,as_o_S) $(obj)/__udivdi3.o: $(src)/idiv64.S FORCE - $(call if_changed_dep,as_o_S) + $(call if_changed_rule,as_o_S) $(obj)/__moddi3.o: $(src)/idiv64.S FORCE - $(call if_changed_dep,as_o_S) + $(call if_changed_rule,as_o_S) $(obj)/__umoddi3.o: $(src)/idiv64.S FORCE - $(call if_changed_dep,as_o_S) + $(call if_changed_rule,as_o_S) $(obj)/__divsi3.o: $(src)/idiv32.S FORCE - $(call if_changed_dep,as_o_S) + $(call if_changed_rule,as_o_S) $(obj)/__udivsi3.o: $(src)/idiv32.S FORCE - $(call if_changed_dep,as_o_S) + $(call if_changed_rule,as_o_S) $(obj)/__modsi3.o: $(src)/idiv32.S FORCE - $(call if_changed_dep,as_o_S) + $(call if_changed_rule,as_o_S) $(obj)/__umodsi3.o: $(src)/idiv32.S FORCE - $(call if_changed_dep,as_o_S) + $(call if_changed_rule,as_o_S) diff --git a/arch/m68k/configs/amiga_defconfig b/arch/m68k/configs/amiga_defconfig index 048bf07..531cb9e 100644 --- a/arch/m68k/configs/amiga_defconfig +++ b/arch/m68k/configs/amiga_defconfig @@ -25,6 +25,7 @@ CONFIG_SUN_PARTITION=y # CONFIG_EFI_PARTITION is not set CONFIG_SYSV68_PARTITION=y CONFIG_IOSCHED_DEADLINE=m +CONFIG_MQ_IOSCHED_DEADLINE=m CONFIG_KEXEC=y CONFIG_BOOTINFO_PROC=y CONFIG_M68020=y @@ -60,6 +61,7 @@ CONFIG_NET_IPVTI=m CONFIG_NET_FOU_IP_TUNNELS=y CONFIG_INET_AH=m CONFIG_INET_ESP=m +CONFIG_INET_ESP_OFFLOAD=m CONFIG_INET_IPCOMP=m CONFIG_INET_XFRM_MODE_TRANSPORT=m CONFIG_INET_XFRM_MODE_TUNNEL=m @@ -71,6 +73,7 @@ CONFIG_IPV6=m CONFIG_IPV6_ROUTER_PREF=y CONFIG_INET6_AH=m CONFIG_INET6_ESP=m +CONFIG_INET6_ESP_OFFLOAD=m CONFIG_INET6_IPCOMP=m CONFIG_IPV6_ILA=m CONFIG_IPV6_VTI=m @@ -101,6 +104,7 @@ CONFIG_NFT_NUMGEN=m CONFIG_NFT_CT=m CONFIG_NFT_SET_RBTREE=m CONFIG_NFT_SET_HASH=m +CONFIG_NFT_SET_BITMAP=m CONFIG_NFT_COUNTER=m CONFIG_NFT_LOG=m CONFIG_NFT_LIMIT=m @@ -298,6 +302,8 @@ CONFIG_MPLS_IPTUNNEL=m CONFIG_NET_L3_MASTER_DEV=y CONFIG_AF_KCM=m # CONFIG_WIRELESS is not set +CONFIG_PSAMPLE=m +CONFIG_NET_IFE=m CONFIG_NET_DEVLINK=m # CONFIG_UEVENT_HELPER is not set CONFIG_DEVTMPFS=y @@ -371,6 +377,7 @@ CONFIG_NET_TEAM_MODE_LOADBALANCE=m CONFIG_MACVLAN=m CONFIG_MACVTAP=m CONFIG_IPVLAN=m +CONFIG_IPVTAP=m CONFIG_VXLAN=m CONFIG_GENEVE=m CONFIG_GTP=m @@ -383,6 +390,7 @@ CONFIG_VETH=m # CONFIG_NET_VENDOR_AMAZON is not set CONFIG_A2065=y CONFIG_ARIADNE=y +# CONFIG_NET_VENDOR_AQUANTIA is not set # CONFIG_NET_VENDOR_ARC is not set # CONFIG_NET_CADENCE is not set # CONFIG_NET_VENDOR_BROADCOM is not set @@ -404,7 +412,6 @@ CONFIG_ZORRO8390=y # CONFIG_NET_VENDOR_SOLARFLARE is not set # CONFIG_NET_VENDOR_SMSC is not set # CONFIG_NET_VENDOR_STMICRO is not set -# CONFIG_NET_VENDOR_SYNOPSYS is not set # CONFIG_NET_VENDOR_VIA is not set # CONFIG_NET_VENDOR_WIZNET is not set CONFIG_PPP=m @@ -564,6 +571,8 @@ CONFIG_NLS_MAC_TURKISH=m CONFIG_DLM=m # CONFIG_SECTION_MISMATCH_WARN_ONLY is not set CONFIG_MAGIC_SYSRQ=y +CONFIG_WW_MUTEX_SELFTEST=m +CONFIG_ATOMIC64_SELFTEST=m CONFIG_ASYNC_RAID6_TEST=m CONFIG_TEST_HEXDUMP=m CONFIG_TEST_STRING_HELPERS=m @@ -594,6 +603,7 @@ CONFIG_CRYPTO_CHACHA20POLY1305=m CONFIG_CRYPTO_LRW=m CONFIG_CRYPTO_PCBC=m CONFIG_CRYPTO_KEYWRAP=m +CONFIG_CRYPTO_CMAC=m CONFIG_CRYPTO_XCBC=m CONFIG_CRYPTO_VMAC=m CONFIG_CRYPTO_MICHAEL_MIC=m @@ -605,6 +615,7 @@ CONFIG_CRYPTO_SHA512=m CONFIG_CRYPTO_SHA3=m CONFIG_CRYPTO_TGR192=m CONFIG_CRYPTO_WP512=m +CONFIG_CRYPTO_AES_TI=m CONFIG_CRYPTO_ANUBIS=m CONFIG_CRYPTO_BLOWFISH=m CONFIG_CRYPTO_CAMELLIA=m @@ -629,4 +640,5 @@ CONFIG_CRYPTO_USER_API_SKCIPHER=m CONFIG_CRYPTO_USER_API_RNG=m CONFIG_CRYPTO_USER_API_AEAD=m # CONFIG_CRYPTO_HW is not set +CONFIG_CRC32_SELFTEST=m CONFIG_XZ_DEC_TEST=m diff --git a/arch/m68k/configs/apollo_defconfig b/arch/m68k/configs/apollo_defconfig index d4de249..ca91d39 100644 --- a/arch/m68k/configs/apollo_defconfig +++ b/arch/m68k/configs/apollo_defconfig @@ -26,6 +26,7 @@ CONFIG_SUN_PARTITION=y # CONFIG_EFI_PARTITION is not set CONFIG_SYSV68_PARTITION=y CONFIG_IOSCHED_DEADLINE=m +CONFIG_MQ_IOSCHED_DEADLINE=m CONFIG_KEXEC=y CONFIG_BOOTINFO_PROC=y CONFIG_M68020=y @@ -58,6 +59,7 @@ CONFIG_NET_IPVTI=m CONFIG_NET_FOU_IP_TUNNELS=y CONFIG_INET_AH=m CONFIG_INET_ESP=m +CONFIG_INET_ESP_OFFLOAD=m CONFIG_INET_IPCOMP=m CONFIG_INET_XFRM_MODE_TRANSPORT=m CONFIG_INET_XFRM_MODE_TUNNEL=m @@ -69,6 +71,7 @@ CONFIG_IPV6=m CONFIG_IPV6_ROUTER_PREF=y CONFIG_INET6_AH=m CONFIG_INET6_ESP=m +CONFIG_INET6_ESP_OFFLOAD=m CONFIG_INET6_IPCOMP=m CONFIG_IPV6_ILA=m CONFIG_IPV6_VTI=m @@ -99,6 +102,7 @@ CONFIG_NFT_NUMGEN=m CONFIG_NFT_CT=m CONFIG_NFT_SET_RBTREE=m CONFIG_NFT_SET_HASH=m +CONFIG_NFT_SET_BITMAP=m CONFIG_NFT_COUNTER=m CONFIG_NFT_LOG=m CONFIG_NFT_LIMIT=m @@ -296,6 +300,8 @@ CONFIG_MPLS_IPTUNNEL=m CONFIG_NET_L3_MASTER_DEV=y CONFIG_AF_KCM=m # CONFIG_WIRELESS is not set +CONFIG_PSAMPLE=m +CONFIG_NET_IFE=m CONFIG_NET_DEVLINK=m # CONFIG_UEVENT_HELPER is not set CONFIG_DEVTMPFS=y @@ -353,6 +359,7 @@ CONFIG_NET_TEAM_MODE_LOADBALANCE=m CONFIG_MACVLAN=m CONFIG_MACVTAP=m CONFIG_IPVLAN=m +CONFIG_IPVTAP=m CONFIG_VXLAN=m CONFIG_GENEVE=m CONFIG_GTP=m @@ -362,6 +369,7 @@ CONFIG_NETCONSOLE_DYNAMIC=y CONFIG_VETH=m # CONFIG_NET_VENDOR_ALACRITECH is not set # CONFIG_NET_VENDOR_AMAZON is not set +# CONFIG_NET_VENDOR_AQUANTIA is not set # CONFIG_NET_VENDOR_ARC is not set # CONFIG_NET_CADENCE is not set # CONFIG_NET_VENDOR_BROADCOM is not set @@ -378,7 +386,6 @@ CONFIG_VETH=m # CONFIG_NET_VENDOR_SEEQ is not set # CONFIG_NET_VENDOR_SOLARFLARE is not set # CONFIG_NET_VENDOR_STMICRO is not set -# CONFIG_NET_VENDOR_SYNOPSYS is not set # CONFIG_NET_VENDOR_VIA is not set # CONFIG_NET_VENDOR_WIZNET is not set CONFIG_PPP=m @@ -523,6 +530,8 @@ CONFIG_NLS_MAC_TURKISH=m CONFIG_DLM=m # CONFIG_SECTION_MISMATCH_WARN_ONLY is not set CONFIG_MAGIC_SYSRQ=y +CONFIG_WW_MUTEX_SELFTEST=m +CONFIG_ATOMIC64_SELFTEST=m CONFIG_ASYNC_RAID6_TEST=m CONFIG_TEST_HEXDUMP=m CONFIG_TEST_STRING_HELPERS=m @@ -553,6 +562,7 @@ CONFIG_CRYPTO_CHACHA20POLY1305=m CONFIG_CRYPTO_LRW=m CONFIG_CRYPTO_PCBC=m CONFIG_CRYPTO_KEYWRAP=m +CONFIG_CRYPTO_CMAC=m CONFIG_CRYPTO_XCBC=m CONFIG_CRYPTO_VMAC=m CONFIG_CRYPTO_MICHAEL_MIC=m @@ -564,6 +574,7 @@ CONFIG_CRYPTO_SHA512=m CONFIG_CRYPTO_SHA3=m CONFIG_CRYPTO_TGR192=m CONFIG_CRYPTO_WP512=m +CONFIG_CRYPTO_AES_TI=m CONFIG_CRYPTO_ANUBIS=m CONFIG_CRYPTO_BLOWFISH=m CONFIG_CRYPTO_CAMELLIA=m @@ -588,4 +599,5 @@ CONFIG_CRYPTO_USER_API_SKCIPHER=m CONFIG_CRYPTO_USER_API_RNG=m CONFIG_CRYPTO_USER_API_AEAD=m # CONFIG_CRYPTO_HW is not set +CONFIG_CRC32_SELFTEST=m CONFIG_XZ_DEC_TEST=m diff --git a/arch/m68k/configs/atari_defconfig b/arch/m68k/configs/atari_defconfig index fc0fd3f..23a3d8a 100644 --- a/arch/m68k/configs/atari_defconfig +++ b/arch/m68k/configs/atari_defconfig @@ -25,6 +25,7 @@ CONFIG_SUN_PARTITION=y # CONFIG_EFI_PARTITION is not set CONFIG_SYSV68_PARTITION=y CONFIG_IOSCHED_DEADLINE=m +CONFIG_MQ_IOSCHED_DEADLINE=m CONFIG_KEXEC=y CONFIG_BOOTINFO_PROC=y CONFIG_M68020=y @@ -58,6 +59,7 @@ CONFIG_NET_IPVTI=m CONFIG_NET_FOU_IP_TUNNELS=y CONFIG_INET_AH=m CONFIG_INET_ESP=m +CONFIG_INET_ESP_OFFLOAD=m CONFIG_INET_IPCOMP=m CONFIG_INET_XFRM_MODE_TRANSPORT=m CONFIG_INET_XFRM_MODE_TUNNEL=m @@ -69,6 +71,7 @@ CONFIG_IPV6=m CONFIG_IPV6_ROUTER_PREF=y CONFIG_INET6_AH=m CONFIG_INET6_ESP=m +CONFIG_INET6_ESP_OFFLOAD=m CONFIG_INET6_IPCOMP=m CONFIG_IPV6_ILA=m CONFIG_IPV6_VTI=m @@ -99,6 +102,7 @@ CONFIG_NFT_NUMGEN=m CONFIG_NFT_CT=m CONFIG_NFT_SET_RBTREE=m CONFIG_NFT_SET_HASH=m +CONFIG_NFT_SET_BITMAP=m CONFIG_NFT_COUNTER=m CONFIG_NFT_LOG=m CONFIG_NFT_LIMIT=m @@ -296,6 +300,8 @@ CONFIG_MPLS_IPTUNNEL=m CONFIG_NET_L3_MASTER_DEV=y CONFIG_AF_KCM=m # CONFIG_WIRELESS is not set +CONFIG_PSAMPLE=m +CONFIG_NET_IFE=m CONFIG_NET_DEVLINK=m # CONFIG_UEVENT_HELPER is not set CONFIG_DEVTMPFS=y @@ -362,6 +368,7 @@ CONFIG_NET_TEAM_MODE_LOADBALANCE=m CONFIG_MACVLAN=m CONFIG_MACVTAP=m CONFIG_IPVLAN=m +CONFIG_IPVTAP=m CONFIG_VXLAN=m CONFIG_GENEVE=m CONFIG_GTP=m @@ -372,6 +379,7 @@ CONFIG_VETH=m # CONFIG_NET_VENDOR_ALACRITECH is not set # CONFIG_NET_VENDOR_AMAZON is not set CONFIG_ATARILANCE=y +# CONFIG_NET_VENDOR_AQUANTIA is not set # CONFIG_NET_VENDOR_ARC is not set # CONFIG_NET_CADENCE is not set # CONFIG_NET_VENDOR_BROADCOM is not set @@ -389,7 +397,6 @@ CONFIG_NE2000=y # CONFIG_NET_VENDOR_SOLARFLARE is not set CONFIG_SMC91X=y # CONFIG_NET_VENDOR_STMICRO is not set -# CONFIG_NET_VENDOR_SYNOPSYS is not set # CONFIG_NET_VENDOR_VIA is not set # CONFIG_NET_VENDOR_WIZNET is not set CONFIG_PPP=m @@ -544,6 +551,8 @@ CONFIG_NLS_MAC_TURKISH=m CONFIG_DLM=m # CONFIG_SECTION_MISMATCH_WARN_ONLY is not set CONFIG_MAGIC_SYSRQ=y +CONFIG_WW_MUTEX_SELFTEST=m +CONFIG_ATOMIC64_SELFTEST=m CONFIG_ASYNC_RAID6_TEST=m CONFIG_TEST_HEXDUMP=m CONFIG_TEST_STRING_HELPERS=m @@ -574,6 +583,7 @@ CONFIG_CRYPTO_CHACHA20POLY1305=m CONFIG_CRYPTO_LRW=m CONFIG_CRYPTO_PCBC=m CONFIG_CRYPTO_KEYWRAP=m +CONFIG_CRYPTO_CMAC=m CONFIG_CRYPTO_XCBC=m CONFIG_CRYPTO_VMAC=m CONFIG_CRYPTO_MICHAEL_MIC=m @@ -585,6 +595,7 @@ CONFIG_CRYPTO_SHA512=m CONFIG_CRYPTO_SHA3=m CONFIG_CRYPTO_TGR192=m CONFIG_CRYPTO_WP512=m +CONFIG_CRYPTO_AES_TI=m CONFIG_CRYPTO_ANUBIS=m CONFIG_CRYPTO_BLOWFISH=m CONFIG_CRYPTO_CAMELLIA=m @@ -609,4 +620,5 @@ CONFIG_CRYPTO_USER_API_SKCIPHER=m CONFIG_CRYPTO_USER_API_RNG=m CONFIG_CRYPTO_USER_API_AEAD=m # CONFIG_CRYPTO_HW is not set +CONFIG_CRC32_SELFTEST=m CONFIG_XZ_DEC_TEST=m diff --git a/arch/m68k/configs/bvme6000_defconfig b/arch/m68k/configs/bvme6000_defconfig index 52e984a..95deb95 100644 --- a/arch/m68k/configs/bvme6000_defconfig +++ b/arch/m68k/configs/bvme6000_defconfig @@ -25,6 +25,7 @@ CONFIG_UNIXWARE_DISKLABEL=y CONFIG_SUN_PARTITION=y # CONFIG_EFI_PARTITION is not set CONFIG_IOSCHED_DEADLINE=m +CONFIG_MQ_IOSCHED_DEADLINE=m CONFIG_KEXEC=y CONFIG_BOOTINFO_PROC=y CONFIG_M68040=y @@ -56,6 +57,7 @@ CONFIG_NET_IPVTI=m CONFIG_NET_FOU_IP_TUNNELS=y CONFIG_INET_AH=m CONFIG_INET_ESP=m +CONFIG_INET_ESP_OFFLOAD=m CONFIG_INET_IPCOMP=m CONFIG_INET_XFRM_MODE_TRANSPORT=m CONFIG_INET_XFRM_MODE_TUNNEL=m @@ -67,6 +69,7 @@ CONFIG_IPV6=m CONFIG_IPV6_ROUTER_PREF=y CONFIG_INET6_AH=m CONFIG_INET6_ESP=m +CONFIG_INET6_ESP_OFFLOAD=m CONFIG_INET6_IPCOMP=m CONFIG_IPV6_ILA=m CONFIG_IPV6_VTI=m @@ -97,6 +100,7 @@ CONFIG_NFT_NUMGEN=m CONFIG_NFT_CT=m CONFIG_NFT_SET_RBTREE=m CONFIG_NFT_SET_HASH=m +CONFIG_NFT_SET_BITMAP=m CONFIG_NFT_COUNTER=m CONFIG_NFT_LOG=m CONFIG_NFT_LIMIT=m @@ -294,6 +298,8 @@ CONFIG_MPLS_IPTUNNEL=m CONFIG_NET_L3_MASTER_DEV=y CONFIG_AF_KCM=m # CONFIG_WIRELESS is not set +CONFIG_PSAMPLE=m +CONFIG_NET_IFE=m CONFIG_NET_DEVLINK=m # CONFIG_UEVENT_HELPER is not set CONFIG_DEVTMPFS=y @@ -352,6 +358,7 @@ CONFIG_NET_TEAM_MODE_LOADBALANCE=m CONFIG_MACVLAN=m CONFIG_MACVTAP=m CONFIG_IPVLAN=m +CONFIG_IPVTAP=m CONFIG_VXLAN=m CONFIG_GENEVE=m CONFIG_GTP=m @@ -361,6 +368,7 @@ CONFIG_NETCONSOLE_DYNAMIC=y CONFIG_VETH=m # CONFIG_NET_VENDOR_ALACRITECH is not set # CONFIG_NET_VENDOR_AMAZON is not set +# CONFIG_NET_VENDOR_AQUANTIA is not set # CONFIG_NET_VENDOR_ARC is not set # CONFIG_NET_CADENCE is not set # CONFIG_NET_VENDOR_BROADCOM is not set @@ -377,7 +385,6 @@ CONFIG_BVME6000_NET=y # CONFIG_NET_VENDOR_SEEQ is not set # CONFIG_NET_VENDOR_SOLARFLARE is not set # CONFIG_NET_VENDOR_STMICRO is not set -# CONFIG_NET_VENDOR_SYNOPSYS is not set # CONFIG_NET_VENDOR_VIA is not set # CONFIG_NET_VENDOR_WIZNET is not set CONFIG_PPP=m @@ -515,6 +522,8 @@ CONFIG_NLS_MAC_TURKISH=m CONFIG_DLM=m # CONFIG_SECTION_MISMATCH_WARN_ONLY is not set CONFIG_MAGIC_SYSRQ=y +CONFIG_WW_MUTEX_SELFTEST=m +CONFIG_ATOMIC64_SELFTEST=m CONFIG_ASYNC_RAID6_TEST=m CONFIG_TEST_HEXDUMP=m CONFIG_TEST_STRING_HELPERS=m @@ -545,6 +554,7 @@ CONFIG_CRYPTO_CHACHA20POLY1305=m CONFIG_CRYPTO_LRW=m CONFIG_CRYPTO_PCBC=m CONFIG_CRYPTO_KEYWRAP=m +CONFIG_CRYPTO_CMAC=m CONFIG_CRYPTO_XCBC=m CONFIG_CRYPTO_VMAC=m CONFIG_CRYPTO_MICHAEL_MIC=m @@ -556,6 +566,7 @@ CONFIG_CRYPTO_SHA512=m CONFIG_CRYPTO_SHA3=m CONFIG_CRYPTO_TGR192=m CONFIG_CRYPTO_WP512=m +CONFIG_CRYPTO_AES_TI=m CONFIG_CRYPTO_ANUBIS=m CONFIG_CRYPTO_BLOWFISH=m CONFIG_CRYPTO_CAMELLIA=m @@ -580,4 +591,5 @@ CONFIG_CRYPTO_USER_API_SKCIPHER=m CONFIG_CRYPTO_USER_API_RNG=m CONFIG_CRYPTO_USER_API_AEAD=m # CONFIG_CRYPTO_HW is not set +CONFIG_CRC32_SELFTEST=m CONFIG_XZ_DEC_TEST=m diff --git a/arch/m68k/configs/hp300_defconfig b/arch/m68k/configs/hp300_defconfig index aaeed44..afae695 100644 --- a/arch/m68k/configs/hp300_defconfig +++ b/arch/m68k/configs/hp300_defconfig @@ -26,6 +26,7 @@ CONFIG_SUN_PARTITION=y # CONFIG_EFI_PARTITION is not set CONFIG_SYSV68_PARTITION=y CONFIG_IOSCHED_DEADLINE=m +CONFIG_MQ_IOSCHED_DEADLINE=m CONFIG_KEXEC=y CONFIG_BOOTINFO_PROC=y CONFIG_M68020=y @@ -58,6 +59,7 @@ CONFIG_NET_IPVTI=m CONFIG_NET_FOU_IP_TUNNELS=y CONFIG_INET_AH=m CONFIG_INET_ESP=m +CONFIG_INET_ESP_OFFLOAD=m CONFIG_INET_IPCOMP=m CONFIG_INET_XFRM_MODE_TRANSPORT=m CONFIG_INET_XFRM_MODE_TUNNEL=m @@ -69,6 +71,7 @@ CONFIG_IPV6=m CONFIG_IPV6_ROUTER_PREF=y CONFIG_INET6_AH=m CONFIG_INET6_ESP=m +CONFIG_INET6_ESP_OFFLOAD=m CONFIG_INET6_IPCOMP=m CONFIG_IPV6_ILA=m CONFIG_IPV6_VTI=m @@ -99,6 +102,7 @@ CONFIG_NFT_NUMGEN=m CONFIG_NFT_CT=m CONFIG_NFT_SET_RBTREE=m CONFIG_NFT_SET_HASH=m +CONFIG_NFT_SET_BITMAP=m CONFIG_NFT_COUNTER=m CONFIG_NFT_LOG=m CONFIG_NFT_LIMIT=m @@ -296,6 +300,8 @@ CONFIG_MPLS_IPTUNNEL=m CONFIG_NET_L3_MASTER_DEV=y CONFIG_AF_KCM=m # CONFIG_WIRELESS is not set +CONFIG_PSAMPLE=m +CONFIG_NET_IFE=m CONFIG_NET_DEVLINK=m # CONFIG_UEVENT_HELPER is not set CONFIG_DEVTMPFS=y @@ -353,6 +359,7 @@ CONFIG_NET_TEAM_MODE_LOADBALANCE=m CONFIG_MACVLAN=m CONFIG_MACVTAP=m CONFIG_IPVLAN=m +CONFIG_IPVTAP=m CONFIG_VXLAN=m CONFIG_GENEVE=m CONFIG_GTP=m @@ -363,6 +370,7 @@ CONFIG_VETH=m # CONFIG_NET_VENDOR_ALACRITECH is not set # CONFIG_NET_VENDOR_AMAZON is not set CONFIG_HPLANCE=y +# CONFIG_NET_VENDOR_AQUANTIA is not set # CONFIG_NET_VENDOR_ARC is not set # CONFIG_NET_CADENCE is not set # CONFIG_NET_VENDOR_BROADCOM is not set @@ -379,7 +387,6 @@ CONFIG_HPLANCE=y # CONFIG_NET_VENDOR_SEEQ is not set # CONFIG_NET_VENDOR_SOLARFLARE is not set # CONFIG_NET_VENDOR_STMICRO is not set -# CONFIG_NET_VENDOR_SYNOPSYS is not set # CONFIG_NET_VENDOR_VIA is not set # CONFIG_NET_VENDOR_WIZNET is not set CONFIG_PPP=m @@ -525,6 +532,8 @@ CONFIG_NLS_MAC_TURKISH=m CONFIG_DLM=m # CONFIG_SECTION_MISMATCH_WARN_ONLY is not set CONFIG_MAGIC_SYSRQ=y +CONFIG_WW_MUTEX_SELFTEST=m +CONFIG_ATOMIC64_SELFTEST=m CONFIG_ASYNC_RAID6_TEST=m CONFIG_TEST_HEXDUMP=m CONFIG_TEST_STRING_HELPERS=m @@ -555,6 +564,7 @@ CONFIG_CRYPTO_CHACHA20POLY1305=m CONFIG_CRYPTO_LRW=m CONFIG_CRYPTO_PCBC=m CONFIG_CRYPTO_KEYWRAP=m +CONFIG_CRYPTO_CMAC=m CONFIG_CRYPTO_XCBC=m CONFIG_CRYPTO_VMAC=m CONFIG_CRYPTO_MICHAEL_MIC=m @@ -566,6 +576,7 @@ CONFIG_CRYPTO_SHA512=m CONFIG_CRYPTO_SHA3=m CONFIG_CRYPTO_TGR192=m CONFIG_CRYPTO_WP512=m +CONFIG_CRYPTO_AES_TI=m CONFIG_CRYPTO_ANUBIS=m CONFIG_CRYPTO_BLOWFISH=m CONFIG_CRYPTO_CAMELLIA=m @@ -590,4 +601,5 @@ CONFIG_CRYPTO_USER_API_SKCIPHER=m CONFIG_CRYPTO_USER_API_RNG=m CONFIG_CRYPTO_USER_API_AEAD=m # CONFIG_CRYPTO_HW is not set +CONFIG_CRC32_SELFTEST=m CONFIG_XZ_DEC_TEST=m diff --git a/arch/m68k/configs/mac_defconfig b/arch/m68k/configs/mac_defconfig index 3bbc9b2..b010734 100644 --- a/arch/m68k/configs/mac_defconfig +++ b/arch/m68k/configs/mac_defconfig @@ -25,6 +25,7 @@ CONFIG_SUN_PARTITION=y # CONFIG_EFI_PARTITION is not set CONFIG_SYSV68_PARTITION=y CONFIG_IOSCHED_DEADLINE=m +CONFIG_MQ_IOSCHED_DEADLINE=m CONFIG_KEXEC=y CONFIG_BOOTINFO_PROC=y CONFIG_M68020=y @@ -57,6 +58,7 @@ CONFIG_NET_IPVTI=m CONFIG_NET_FOU_IP_TUNNELS=y CONFIG_INET_AH=m CONFIG_INET_ESP=m +CONFIG_INET_ESP_OFFLOAD=m CONFIG_INET_IPCOMP=m CONFIG_INET_XFRM_MODE_TRANSPORT=m CONFIG_INET_XFRM_MODE_TUNNEL=m @@ -68,6 +70,7 @@ CONFIG_IPV6=m CONFIG_IPV6_ROUTER_PREF=y CONFIG_INET6_AH=m CONFIG_INET6_ESP=m +CONFIG_INET6_ESP_OFFLOAD=m CONFIG_INET6_IPCOMP=m CONFIG_IPV6_ILA=m CONFIG_IPV6_VTI=m @@ -98,6 +101,7 @@ CONFIG_NFT_NUMGEN=m CONFIG_NFT_CT=m CONFIG_NFT_SET_RBTREE=m CONFIG_NFT_SET_HASH=m +CONFIG_NFT_SET_BITMAP=m CONFIG_NFT_COUNTER=m CONFIG_NFT_LOG=m CONFIG_NFT_LIMIT=m @@ -298,6 +302,8 @@ CONFIG_MPLS_IPTUNNEL=m CONFIG_NET_L3_MASTER_DEV=y CONFIG_AF_KCM=m # CONFIG_WIRELESS is not set +CONFIG_PSAMPLE=m +CONFIG_NET_IFE=m CONFIG_NET_DEVLINK=m # CONFIG_UEVENT_HELPER is not set CONFIG_DEVTMPFS=y @@ -369,6 +375,7 @@ CONFIG_NET_TEAM_MODE_LOADBALANCE=m CONFIG_MACVLAN=m CONFIG_MACVTAP=m CONFIG_IPVLAN=m +CONFIG_IPVTAP=m CONFIG_VXLAN=m CONFIG_GENEVE=m CONFIG_GTP=m @@ -379,6 +386,7 @@ CONFIG_VETH=m # CONFIG_NET_VENDOR_ALACRITECH is not set # CONFIG_NET_VENDOR_AMAZON is not set CONFIG_MACMACE=y +# CONFIG_NET_VENDOR_AQUANTIA is not set # CONFIG_NET_VENDOR_ARC is not set # CONFIG_NET_CADENCE is not set # CONFIG_NET_VENDOR_BROADCOM is not set @@ -398,7 +406,6 @@ CONFIG_MAC8390=y # CONFIG_NET_VENDOR_SOLARFLARE is not set # CONFIG_NET_VENDOR_SMSC is not set # CONFIG_NET_VENDOR_STMICRO is not set -# CONFIG_NET_VENDOR_SYNOPSYS is not set # CONFIG_NET_VENDOR_VIA is not set # CONFIG_NET_VENDOR_WIZNET is not set CONFIG_PPP=m @@ -547,6 +554,8 @@ CONFIG_NLS_MAC_TURKISH=m CONFIG_DLM=m # CONFIG_SECTION_MISMATCH_WARN_ONLY is not set CONFIG_MAGIC_SYSRQ=y +CONFIG_WW_MUTEX_SELFTEST=m +CONFIG_ATOMIC64_SELFTEST=m CONFIG_ASYNC_RAID6_TEST=m CONFIG_TEST_HEXDUMP=m CONFIG_TEST_STRING_HELPERS=m @@ -577,6 +586,7 @@ CONFIG_CRYPTO_CHACHA20POLY1305=m CONFIG_CRYPTO_LRW=m CONFIG_CRYPTO_PCBC=m CONFIG_CRYPTO_KEYWRAP=m +CONFIG_CRYPTO_CMAC=m CONFIG_CRYPTO_XCBC=m CONFIG_CRYPTO_VMAC=m CONFIG_CRYPTO_MICHAEL_MIC=m @@ -588,6 +598,7 @@ CONFIG_CRYPTO_SHA512=m CONFIG_CRYPTO_SHA3=m CONFIG_CRYPTO_TGR192=m CONFIG_CRYPTO_WP512=m +CONFIG_CRYPTO_AES_TI=m CONFIG_CRYPTO_ANUBIS=m CONFIG_CRYPTO_BLOWFISH=m CONFIG_CRYPTO_CAMELLIA=m @@ -612,4 +623,5 @@ CONFIG_CRYPTO_USER_API_SKCIPHER=m CONFIG_CRYPTO_USER_API_RNG=m CONFIG_CRYPTO_USER_API_AEAD=m # CONFIG_CRYPTO_HW is not set +CONFIG_CRC32_SELFTEST=m CONFIG_XZ_DEC_TEST=m diff --git a/arch/m68k/configs/multi_defconfig b/arch/m68k/configs/multi_defconfig index 8f2c0de..0e41454 100644 --- a/arch/m68k/configs/multi_defconfig +++ b/arch/m68k/configs/multi_defconfig @@ -21,6 +21,7 @@ CONFIG_SOLARIS_X86_PARTITION=y CONFIG_UNIXWARE_DISKLABEL=y # CONFIG_EFI_PARTITION is not set CONFIG_IOSCHED_DEADLINE=m +CONFIG_MQ_IOSCHED_DEADLINE=m CONFIG_KEXEC=y CONFIG_BOOTINFO_PROC=y CONFIG_M68020=y @@ -67,6 +68,7 @@ CONFIG_NET_IPVTI=m CONFIG_NET_FOU_IP_TUNNELS=y CONFIG_INET_AH=m CONFIG_INET_ESP=m +CONFIG_INET_ESP_OFFLOAD=m CONFIG_INET_IPCOMP=m CONFIG_INET_XFRM_MODE_TRANSPORT=m CONFIG_INET_XFRM_MODE_TUNNEL=m @@ -78,6 +80,7 @@ CONFIG_IPV6=m CONFIG_IPV6_ROUTER_PREF=y CONFIG_INET6_AH=m CONFIG_INET6_ESP=m +CONFIG_INET6_ESP_OFFLOAD=m CONFIG_INET6_IPCOMP=m CONFIG_IPV6_ILA=m CONFIG_IPV6_VTI=m @@ -108,6 +111,7 @@ CONFIG_NFT_NUMGEN=m CONFIG_NFT_CT=m CONFIG_NFT_SET_RBTREE=m CONFIG_NFT_SET_HASH=m +CONFIG_NFT_SET_BITMAP=m CONFIG_NFT_COUNTER=m CONFIG_NFT_LOG=m CONFIG_NFT_LIMIT=m @@ -308,6 +312,8 @@ CONFIG_MPLS_IPTUNNEL=m CONFIG_NET_L3_MASTER_DEV=y CONFIG_AF_KCM=m # CONFIG_WIRELESS is not set +CONFIG_PSAMPLE=m +CONFIG_NET_IFE=m CONFIG_NET_DEVLINK=m # CONFIG_UEVENT_HELPER is not set CONFIG_DEVTMPFS=y @@ -402,6 +408,7 @@ CONFIG_NET_TEAM_MODE_LOADBALANCE=m CONFIG_MACVLAN=m CONFIG_MACVTAP=m CONFIG_IPVLAN=m +CONFIG_IPVTAP=m CONFIG_VXLAN=m CONFIG_GENEVE=m CONFIG_GTP=m @@ -419,6 +426,7 @@ CONFIG_HPLANCE=y CONFIG_MVME147_NET=y CONFIG_SUN3LANCE=y CONFIG_MACMACE=y +# CONFIG_NET_VENDOR_AQUANTIA is not set # CONFIG_NET_VENDOR_ARC is not set # CONFIG_NET_CADENCE is not set # CONFIG_NET_VENDOR_BROADCOM is not set @@ -444,7 +452,6 @@ CONFIG_ZORRO8390=y # CONFIG_NET_VENDOR_SOLARFLARE is not set CONFIG_SMC91X=y # CONFIG_NET_VENDOR_STMICRO is not set -# CONFIG_NET_VENDOR_SYNOPSYS is not set # CONFIG_NET_VENDOR_VIA is not set # CONFIG_NET_VENDOR_WIZNET is not set CONFIG_PLIP=m @@ -627,6 +634,8 @@ CONFIG_NLS_MAC_TURKISH=m CONFIG_DLM=m # CONFIG_SECTION_MISMATCH_WARN_ONLY is not set CONFIG_MAGIC_SYSRQ=y +CONFIG_WW_MUTEX_SELFTEST=m +CONFIG_ATOMIC64_SELFTEST=m CONFIG_ASYNC_RAID6_TEST=m CONFIG_TEST_HEXDUMP=m CONFIG_TEST_STRING_HELPERS=m @@ -657,6 +666,7 @@ CONFIG_CRYPTO_CHACHA20POLY1305=m CONFIG_CRYPTO_LRW=m CONFIG_CRYPTO_PCBC=m CONFIG_CRYPTO_KEYWRAP=m +CONFIG_CRYPTO_CMAC=m CONFIG_CRYPTO_XCBC=m CONFIG_CRYPTO_VMAC=m CONFIG_CRYPTO_MICHAEL_MIC=m @@ -668,6 +678,7 @@ CONFIG_CRYPTO_SHA512=m CONFIG_CRYPTO_SHA3=m CONFIG_CRYPTO_TGR192=m CONFIG_CRYPTO_WP512=m +CONFIG_CRYPTO_AES_TI=m CONFIG_CRYPTO_ANUBIS=m CONFIG_CRYPTO_BLOWFISH=m CONFIG_CRYPTO_CAMELLIA=m @@ -692,4 +703,5 @@ CONFIG_CRYPTO_USER_API_SKCIPHER=m CONFIG_CRYPTO_USER_API_RNG=m CONFIG_CRYPTO_USER_API_AEAD=m # CONFIG_CRYPTO_HW is not set +CONFIG_CRC32_SELFTEST=m CONFIG_XZ_DEC_TEST=m diff --git a/arch/m68k/configs/mvme147_defconfig b/arch/m68k/configs/mvme147_defconfig index c743dd2..b2e687a 100644 --- a/arch/m68k/configs/mvme147_defconfig +++ b/arch/m68k/configs/mvme147_defconfig @@ -25,6 +25,7 @@ CONFIG_UNIXWARE_DISKLABEL=y CONFIG_SUN_PARTITION=y # CONFIG_EFI_PARTITION is not set CONFIG_IOSCHED_DEADLINE=m +CONFIG_MQ_IOSCHED_DEADLINE=m CONFIG_KEXEC=y CONFIG_BOOTINFO_PROC=y CONFIG_M68030=y @@ -55,6 +56,7 @@ CONFIG_NET_IPVTI=m CONFIG_NET_FOU_IP_TUNNELS=y CONFIG_INET_AH=m CONFIG_INET_ESP=m +CONFIG_INET_ESP_OFFLOAD=m CONFIG_INET_IPCOMP=m CONFIG_INET_XFRM_MODE_TRANSPORT=m CONFIG_INET_XFRM_MODE_TUNNEL=m @@ -66,6 +68,7 @@ CONFIG_IPV6=m CONFIG_IPV6_ROUTER_PREF=y CONFIG_INET6_AH=m CONFIG_INET6_ESP=m +CONFIG_INET6_ESP_OFFLOAD=m CONFIG_INET6_IPCOMP=m CONFIG_IPV6_ILA=m CONFIG_IPV6_VTI=m @@ -96,6 +99,7 @@ CONFIG_NFT_NUMGEN=m CONFIG_NFT_CT=m CONFIG_NFT_SET_RBTREE=m CONFIG_NFT_SET_HASH=m +CONFIG_NFT_SET_BITMAP=m CONFIG_NFT_COUNTER=m CONFIG_NFT_LOG=m CONFIG_NFT_LIMIT=m @@ -293,6 +297,8 @@ CONFIG_MPLS_IPTUNNEL=m CONFIG_NET_L3_MASTER_DEV=y CONFIG_AF_KCM=m # CONFIG_WIRELESS is not set +CONFIG_PSAMPLE=m +CONFIG_NET_IFE=m CONFIG_NET_DEVLINK=m # CONFIG_UEVENT_HELPER is not set CONFIG_DEVTMPFS=y @@ -351,6 +357,7 @@ CONFIG_NET_TEAM_MODE_LOADBALANCE=m CONFIG_MACVLAN=m CONFIG_MACVTAP=m CONFIG_IPVLAN=m +CONFIG_IPVTAP=m CONFIG_VXLAN=m CONFIG_GENEVE=m CONFIG_GTP=m @@ -361,6 +368,7 @@ CONFIG_VETH=m # CONFIG_NET_VENDOR_ALACRITECH is not set # CONFIG_NET_VENDOR_AMAZON is not set CONFIG_MVME147_NET=y +# CONFIG_NET_VENDOR_AQUANTIA is not set # CONFIG_NET_VENDOR_ARC is not set # CONFIG_NET_CADENCE is not set # CONFIG_NET_VENDOR_BROADCOM is not set @@ -377,7 +385,6 @@ CONFIG_MVME147_NET=y # CONFIG_NET_VENDOR_SEEQ is not set # CONFIG_NET_VENDOR_SOLARFLARE is not set # CONFIG_NET_VENDOR_STMICRO is not set -# CONFIG_NET_VENDOR_SYNOPSYS is not set # CONFIG_NET_VENDOR_VIA is not set # CONFIG_NET_VENDOR_WIZNET is not set CONFIG_PPP=m @@ -515,6 +522,8 @@ CONFIG_NLS_MAC_TURKISH=m CONFIG_DLM=m # CONFIG_SECTION_MISMATCH_WARN_ONLY is not set CONFIG_MAGIC_SYSRQ=y +CONFIG_WW_MUTEX_SELFTEST=m +CONFIG_ATOMIC64_SELFTEST=m CONFIG_ASYNC_RAID6_TEST=m CONFIG_TEST_HEXDUMP=m CONFIG_TEST_STRING_HELPERS=m @@ -545,6 +554,7 @@ CONFIG_CRYPTO_CHACHA20POLY1305=m CONFIG_CRYPTO_LRW=m CONFIG_CRYPTO_PCBC=m CONFIG_CRYPTO_KEYWRAP=m +CONFIG_CRYPTO_CMAC=m CONFIG_CRYPTO_XCBC=m CONFIG_CRYPTO_VMAC=m CONFIG_CRYPTO_MICHAEL_MIC=m @@ -556,6 +566,7 @@ CONFIG_CRYPTO_SHA512=m CONFIG_CRYPTO_SHA3=m CONFIG_CRYPTO_TGR192=m CONFIG_CRYPTO_WP512=m +CONFIG_CRYPTO_AES_TI=m CONFIG_CRYPTO_ANUBIS=m CONFIG_CRYPTO_BLOWFISH=m CONFIG_CRYPTO_CAMELLIA=m @@ -580,4 +591,5 @@ CONFIG_CRYPTO_USER_API_SKCIPHER=m CONFIG_CRYPTO_USER_API_RNG=m CONFIG_CRYPTO_USER_API_AEAD=m # CONFIG_CRYPTO_HW is not set +CONFIG_CRC32_SELFTEST=m CONFIG_XZ_DEC_TEST=m diff --git a/arch/m68k/configs/mvme16x_defconfig b/arch/m68k/configs/mvme16x_defconfig index 2ccaca8..cbd8ee2 100644 --- a/arch/m68k/configs/mvme16x_defconfig +++ b/arch/m68k/configs/mvme16x_defconfig @@ -25,6 +25,7 @@ CONFIG_UNIXWARE_DISKLABEL=y CONFIG_SUN_PARTITION=y # CONFIG_EFI_PARTITION is not set CONFIG_IOSCHED_DEADLINE=m +CONFIG_MQ_IOSCHED_DEADLINE=m CONFIG_KEXEC=y CONFIG_BOOTINFO_PROC=y CONFIG_M68040=y @@ -56,6 +57,7 @@ CONFIG_NET_IPVTI=m CONFIG_NET_FOU_IP_TUNNELS=y CONFIG_INET_AH=m CONFIG_INET_ESP=m +CONFIG_INET_ESP_OFFLOAD=m CONFIG_INET_IPCOMP=m CONFIG_INET_XFRM_MODE_TRANSPORT=m CONFIG_INET_XFRM_MODE_TUNNEL=m @@ -67,6 +69,7 @@ CONFIG_IPV6=m CONFIG_IPV6_ROUTER_PREF=y CONFIG_INET6_AH=m CONFIG_INET6_ESP=m +CONFIG_INET6_ESP_OFFLOAD=m CONFIG_INET6_IPCOMP=m CONFIG_IPV6_ILA=m CONFIG_IPV6_VTI=m @@ -97,6 +100,7 @@ CONFIG_NFT_NUMGEN=m CONFIG_NFT_CT=m CONFIG_NFT_SET_RBTREE=m CONFIG_NFT_SET_HASH=m +CONFIG_NFT_SET_BITMAP=m CONFIG_NFT_COUNTER=m CONFIG_NFT_LOG=m CONFIG_NFT_LIMIT=m @@ -294,6 +298,8 @@ CONFIG_MPLS_IPTUNNEL=m CONFIG_NET_L3_MASTER_DEV=y CONFIG_AF_KCM=m # CONFIG_WIRELESS is not set +CONFIG_PSAMPLE=m +CONFIG_NET_IFE=m CONFIG_NET_DEVLINK=m # CONFIG_UEVENT_HELPER is not set CONFIG_DEVTMPFS=y @@ -352,6 +358,7 @@ CONFIG_NET_TEAM_MODE_LOADBALANCE=m CONFIG_MACVLAN=m CONFIG_MACVTAP=m CONFIG_IPVLAN=m +CONFIG_IPVTAP=m CONFIG_VXLAN=m CONFIG_GENEVE=m CONFIG_GTP=m @@ -361,6 +368,7 @@ CONFIG_NETCONSOLE_DYNAMIC=y CONFIG_VETH=m # CONFIG_NET_VENDOR_ALACRITECH is not set # CONFIG_NET_VENDOR_AMAZON is not set +# CONFIG_NET_VENDOR_AQUANTIA is not set # CONFIG_NET_VENDOR_ARC is not set # CONFIG_NET_CADENCE is not set # CONFIG_NET_VENDOR_BROADCOM is not set @@ -377,7 +385,6 @@ CONFIG_MVME16x_NET=y # CONFIG_NET_VENDOR_SEEQ is not set # CONFIG_NET_VENDOR_SOLARFLARE is not set # CONFIG_NET_VENDOR_STMICRO is not set -# CONFIG_NET_VENDOR_SYNOPSYS is not set # CONFIG_NET_VENDOR_VIA is not set # CONFIG_NET_VENDOR_WIZNET is not set CONFIG_PPP=m @@ -515,6 +522,8 @@ CONFIG_NLS_MAC_TURKISH=m CONFIG_DLM=m # CONFIG_SECTION_MISMATCH_WARN_ONLY is not set CONFIG_MAGIC_SYSRQ=y +CONFIG_WW_MUTEX_SELFTEST=m +CONFIG_ATOMIC64_SELFTEST=m CONFIG_ASYNC_RAID6_TEST=m CONFIG_TEST_HEXDUMP=m CONFIG_TEST_STRING_HELPERS=m @@ -545,6 +554,7 @@ CONFIG_CRYPTO_CHACHA20POLY1305=m CONFIG_CRYPTO_LRW=m CONFIG_CRYPTO_PCBC=m CONFIG_CRYPTO_KEYWRAP=m +CONFIG_CRYPTO_CMAC=m CONFIG_CRYPTO_XCBC=m CONFIG_CRYPTO_VMAC=m CONFIG_CRYPTO_MICHAEL_MIC=m @@ -556,6 +566,7 @@ CONFIG_CRYPTO_SHA512=m CONFIG_CRYPTO_SHA3=m CONFIG_CRYPTO_TGR192=m CONFIG_CRYPTO_WP512=m +CONFIG_CRYPTO_AES_TI=m CONFIG_CRYPTO_ANUBIS=m CONFIG_CRYPTO_BLOWFISH=m CONFIG_CRYPTO_CAMELLIA=m @@ -580,4 +591,5 @@ CONFIG_CRYPTO_USER_API_SKCIPHER=m CONFIG_CRYPTO_USER_API_RNG=m CONFIG_CRYPTO_USER_API_AEAD=m # CONFIG_CRYPTO_HW is not set +CONFIG_CRC32_SELFTEST=m CONFIG_XZ_DEC_TEST=m diff --git a/arch/m68k/configs/q40_defconfig b/arch/m68k/configs/q40_defconfig index 5599f3f..1e82cc9 100644 --- a/arch/m68k/configs/q40_defconfig +++ b/arch/m68k/configs/q40_defconfig @@ -26,6 +26,7 @@ CONFIG_SUN_PARTITION=y # CONFIG_EFI_PARTITION is not set CONFIG_SYSV68_PARTITION=y CONFIG_IOSCHED_DEADLINE=m +CONFIG_MQ_IOSCHED_DEADLINE=m CONFIG_KEXEC=y CONFIG_BOOTINFO_PROC=y CONFIG_M68040=y @@ -56,6 +57,7 @@ CONFIG_NET_IPVTI=m CONFIG_NET_FOU_IP_TUNNELS=y CONFIG_INET_AH=m CONFIG_INET_ESP=m +CONFIG_INET_ESP_OFFLOAD=m CONFIG_INET_IPCOMP=m CONFIG_INET_XFRM_MODE_TRANSPORT=m CONFIG_INET_XFRM_MODE_TUNNEL=m @@ -67,6 +69,7 @@ CONFIG_IPV6=m CONFIG_IPV6_ROUTER_PREF=y CONFIG_INET6_AH=m CONFIG_INET6_ESP=m +CONFIG_INET6_ESP_OFFLOAD=m CONFIG_INET6_IPCOMP=m CONFIG_IPV6_ILA=m CONFIG_IPV6_VTI=m @@ -97,6 +100,7 @@ CONFIG_NFT_NUMGEN=m CONFIG_NFT_CT=m CONFIG_NFT_SET_RBTREE=m CONFIG_NFT_SET_HASH=m +CONFIG_NFT_SET_BITMAP=m CONFIG_NFT_COUNTER=m CONFIG_NFT_LOG=m CONFIG_NFT_LIMIT=m @@ -294,6 +298,8 @@ CONFIG_MPLS_IPTUNNEL=m CONFIG_NET_L3_MASTER_DEV=y CONFIG_AF_KCM=m # CONFIG_WIRELESS is not set +CONFIG_PSAMPLE=m +CONFIG_NET_IFE=m CONFIG_NET_DEVLINK=m # CONFIG_UEVENT_HELPER is not set CONFIG_DEVTMPFS=y @@ -358,6 +364,7 @@ CONFIG_NET_TEAM_MODE_LOADBALANCE=m CONFIG_MACVLAN=m CONFIG_MACVTAP=m CONFIG_IPVLAN=m +CONFIG_IPVTAP=m CONFIG_VXLAN=m CONFIG_GENEVE=m CONFIG_GTP=m @@ -369,6 +376,7 @@ CONFIG_VETH=m # CONFIG_NET_VENDOR_ALACRITECH is not set # CONFIG_NET_VENDOR_AMAZON is not set # CONFIG_NET_VENDOR_AMD is not set +# CONFIG_NET_VENDOR_AQUANTIA is not set # CONFIG_NET_VENDOR_ARC is not set # CONFIG_NET_CADENCE is not set # CONFIG_NET_VENDOR_BROADCOM is not set @@ -388,7 +396,6 @@ CONFIG_NE2000=y # CONFIG_NET_VENDOR_SOLARFLARE is not set # CONFIG_NET_VENDOR_SMSC is not set # CONFIG_NET_VENDOR_STMICRO is not set -# CONFIG_NET_VENDOR_SYNOPSYS is not set # CONFIG_NET_VENDOR_VIA is not set # CONFIG_NET_VENDOR_WIZNET is not set CONFIG_PLIP=m @@ -538,6 +545,8 @@ CONFIG_NLS_MAC_TURKISH=m CONFIG_DLM=m # CONFIG_SECTION_MISMATCH_WARN_ONLY is not set CONFIG_MAGIC_SYSRQ=y +CONFIG_WW_MUTEX_SELFTEST=m +CONFIG_ATOMIC64_SELFTEST=m CONFIG_ASYNC_RAID6_TEST=m CONFIG_TEST_HEXDUMP=m CONFIG_TEST_STRING_HELPERS=m @@ -568,6 +577,7 @@ CONFIG_CRYPTO_CHACHA20POLY1305=m CONFIG_CRYPTO_LRW=m CONFIG_CRYPTO_PCBC=m CONFIG_CRYPTO_KEYWRAP=m +CONFIG_CRYPTO_CMAC=m CONFIG_CRYPTO_XCBC=m CONFIG_CRYPTO_VMAC=m CONFIG_CRYPTO_MICHAEL_MIC=m @@ -579,6 +589,7 @@ CONFIG_CRYPTO_SHA512=m CONFIG_CRYPTO_SHA3=m CONFIG_CRYPTO_TGR192=m CONFIG_CRYPTO_WP512=m +CONFIG_CRYPTO_AES_TI=m CONFIG_CRYPTO_ANUBIS=m CONFIG_CRYPTO_BLOWFISH=m CONFIG_CRYPTO_CAMELLIA=m @@ -603,4 +614,5 @@ CONFIG_CRYPTO_USER_API_SKCIPHER=m CONFIG_CRYPTO_USER_API_RNG=m CONFIG_CRYPTO_USER_API_AEAD=m # CONFIG_CRYPTO_HW is not set +CONFIG_CRC32_SELFTEST=m CONFIG_XZ_DEC_TEST=m diff --git a/arch/m68k/configs/sun3_defconfig b/arch/m68k/configs/sun3_defconfig index 313bf0a..f9e77f5 100644 --- a/arch/m68k/configs/sun3_defconfig +++ b/arch/m68k/configs/sun3_defconfig @@ -25,6 +25,7 @@ CONFIG_UNIXWARE_DISKLABEL=y # CONFIG_EFI_PARTITION is not set CONFIG_SYSV68_PARTITION=y CONFIG_IOSCHED_DEADLINE=m +CONFIG_MQ_IOSCHED_DEADLINE=m CONFIG_KEXEC=y CONFIG_BOOTINFO_PROC=y CONFIG_SUN3=y @@ -53,6 +54,7 @@ CONFIG_NET_IPVTI=m CONFIG_NET_FOU_IP_TUNNELS=y CONFIG_INET_AH=m CONFIG_INET_ESP=m +CONFIG_INET_ESP_OFFLOAD=m CONFIG_INET_IPCOMP=m CONFIG_INET_XFRM_MODE_TRANSPORT=m CONFIG_INET_XFRM_MODE_TUNNEL=m @@ -64,6 +66,7 @@ CONFIG_IPV6=m CONFIG_IPV6_ROUTER_PREF=y CONFIG_INET6_AH=m CONFIG_INET6_ESP=m +CONFIG_INET6_ESP_OFFLOAD=m CONFIG_INET6_IPCOMP=m CONFIG_IPV6_ILA=m CONFIG_IPV6_VTI=m @@ -94,6 +97,7 @@ CONFIG_NFT_NUMGEN=m CONFIG_NFT_CT=m CONFIG_NFT_SET_RBTREE=m CONFIG_NFT_SET_HASH=m +CONFIG_NFT_SET_BITMAP=m CONFIG_NFT_COUNTER=m CONFIG_NFT_LOG=m CONFIG_NFT_LIMIT=m @@ -291,6 +295,8 @@ CONFIG_MPLS_IPTUNNEL=m CONFIG_NET_L3_MASTER_DEV=y CONFIG_AF_KCM=m # CONFIG_WIRELESS is not set +CONFIG_PSAMPLE=m +CONFIG_NET_IFE=m CONFIG_NET_DEVLINK=m # CONFIG_UEVENT_HELPER is not set CONFIG_DEVTMPFS=y @@ -349,6 +355,7 @@ CONFIG_NET_TEAM_MODE_LOADBALANCE=m CONFIG_MACVLAN=m CONFIG_MACVTAP=m CONFIG_IPVLAN=m +CONFIG_IPVTAP=m CONFIG_VXLAN=m CONFIG_GENEVE=m CONFIG_GTP=m @@ -359,6 +366,7 @@ CONFIG_VETH=m # CONFIG_NET_VENDOR_ALACRITECH is not set # CONFIG_NET_VENDOR_AMAZON is not set CONFIG_SUN3LANCE=y +# CONFIG_NET_VENDOR_AQUANTIA is not set # CONFIG_NET_VENDOR_ARC is not set # CONFIG_NET_CADENCE is not set # CONFIG_NET_VENDOR_EZCHIP is not set @@ -375,7 +383,6 @@ CONFIG_SUN3_82586=y # CONFIG_NET_VENDOR_SOLARFLARE is not set # CONFIG_NET_VENDOR_STMICRO is not set # CONFIG_NET_VENDOR_SUN is not set -# CONFIG_NET_VENDOR_SYNOPSYS is not set # CONFIG_NET_VENDOR_VIA is not set # CONFIG_NET_VENDOR_WIZNET is not set CONFIG_PPP=m @@ -517,6 +524,8 @@ CONFIG_NLS_MAC_TURKISH=m CONFIG_DLM=m # CONFIG_SECTION_MISMATCH_WARN_ONLY is not set CONFIG_MAGIC_SYSRQ=y +CONFIG_WW_MUTEX_SELFTEST=m +CONFIG_ATOMIC64_SELFTEST=m CONFIG_ASYNC_RAID6_TEST=m CONFIG_TEST_HEXDUMP=m CONFIG_TEST_STRING_HELPERS=m @@ -546,6 +555,7 @@ CONFIG_CRYPTO_CHACHA20POLY1305=m CONFIG_CRYPTO_LRW=m CONFIG_CRYPTO_PCBC=m CONFIG_CRYPTO_KEYWRAP=m +CONFIG_CRYPTO_CMAC=m CONFIG_CRYPTO_XCBC=m CONFIG_CRYPTO_VMAC=m CONFIG_CRYPTO_MICHAEL_MIC=m @@ -557,6 +567,7 @@ CONFIG_CRYPTO_SHA512=m CONFIG_CRYPTO_SHA3=m CONFIG_CRYPTO_TGR192=m CONFIG_CRYPTO_WP512=m +CONFIG_CRYPTO_AES_TI=m CONFIG_CRYPTO_ANUBIS=m CONFIG_CRYPTO_BLOWFISH=m CONFIG_CRYPTO_CAMELLIA=m @@ -581,4 +592,5 @@ CONFIG_CRYPTO_USER_API_SKCIPHER=m CONFIG_CRYPTO_USER_API_RNG=m CONFIG_CRYPTO_USER_API_AEAD=m # CONFIG_CRYPTO_HW is not set +CONFIG_CRC32_SELFTEST=m CONFIG_XZ_DEC_TEST=m diff --git a/arch/m68k/configs/sun3x_defconfig b/arch/m68k/configs/sun3x_defconfig index 38b6136..3c394fc 100644 --- a/arch/m68k/configs/sun3x_defconfig +++ b/arch/m68k/configs/sun3x_defconfig @@ -25,6 +25,7 @@ CONFIG_UNIXWARE_DISKLABEL=y # CONFIG_EFI_PARTITION is not set CONFIG_SYSV68_PARTITION=y CONFIG_IOSCHED_DEADLINE=m +CONFIG_MQ_IOSCHED_DEADLINE=m CONFIG_KEXEC=y CONFIG_BOOTINFO_PROC=y CONFIG_SUN3X=y @@ -53,6 +54,7 @@ CONFIG_NET_IPVTI=m CONFIG_NET_FOU_IP_TUNNELS=y CONFIG_INET_AH=m CONFIG_INET_ESP=m +CONFIG_INET_ESP_OFFLOAD=m CONFIG_INET_IPCOMP=m CONFIG_INET_XFRM_MODE_TRANSPORT=m CONFIG_INET_XFRM_MODE_TUNNEL=m @@ -64,6 +66,7 @@ CONFIG_IPV6=m CONFIG_IPV6_ROUTER_PREF=y CONFIG_INET6_AH=m CONFIG_INET6_ESP=m +CONFIG_INET6_ESP_OFFLOAD=m CONFIG_INET6_IPCOMP=m CONFIG_IPV6_ILA=m CONFIG_IPV6_VTI=m @@ -94,6 +97,7 @@ CONFIG_NFT_NUMGEN=m CONFIG_NFT_CT=m CONFIG_NFT_SET_RBTREE=m CONFIG_NFT_SET_HASH=m +CONFIG_NFT_SET_BITMAP=m CONFIG_NFT_COUNTER=m CONFIG_NFT_LOG=m CONFIG_NFT_LIMIT=m @@ -291,6 +295,8 @@ CONFIG_MPLS_IPTUNNEL=m CONFIG_NET_L3_MASTER_DEV=y CONFIG_AF_KCM=m # CONFIG_WIRELESS is not set +CONFIG_PSAMPLE=m +CONFIG_NET_IFE=m CONFIG_NET_DEVLINK=m # CONFIG_UEVENT_HELPER is not set CONFIG_DEVTMPFS=y @@ -349,6 +355,7 @@ CONFIG_NET_TEAM_MODE_LOADBALANCE=m CONFIG_MACVLAN=m CONFIG_MACVTAP=m CONFIG_IPVLAN=m +CONFIG_IPVTAP=m CONFIG_VXLAN=m CONFIG_GENEVE=m CONFIG_GTP=m @@ -359,6 +366,7 @@ CONFIG_VETH=m # CONFIG_NET_VENDOR_ALACRITECH is not set # CONFIG_NET_VENDOR_AMAZON is not set CONFIG_SUN3LANCE=y +# CONFIG_NET_VENDOR_AQUANTIA is not set # CONFIG_NET_VENDOR_ARC is not set # CONFIG_NET_CADENCE is not set # CONFIG_NET_VENDOR_BROADCOM is not set @@ -375,7 +383,6 @@ CONFIG_SUN3LANCE=y # CONFIG_NET_VENDOR_SEEQ is not set # CONFIG_NET_VENDOR_SOLARFLARE is not set # CONFIG_NET_VENDOR_STMICRO is not set -# CONFIG_NET_VENDOR_SYNOPSYS is not set # CONFIG_NET_VENDOR_VIA is not set # CONFIG_NET_VENDOR_WIZNET is not set CONFIG_PPP=m @@ -517,6 +524,8 @@ CONFIG_NLS_MAC_TURKISH=m CONFIG_DLM=m # CONFIG_SECTION_MISMATCH_WARN_ONLY is not set CONFIG_MAGIC_SYSRQ=y +CONFIG_WW_MUTEX_SELFTEST=m +CONFIG_ATOMIC64_SELFTEST=m CONFIG_ASYNC_RAID6_TEST=m CONFIG_TEST_HEXDUMP=m CONFIG_TEST_STRING_HELPERS=m @@ -547,6 +556,7 @@ CONFIG_CRYPTO_CHACHA20POLY1305=m CONFIG_CRYPTO_LRW=m CONFIG_CRYPTO_PCBC=m CONFIG_CRYPTO_KEYWRAP=m +CONFIG_CRYPTO_CMAC=m CONFIG_CRYPTO_XCBC=m CONFIG_CRYPTO_VMAC=m CONFIG_CRYPTO_MICHAEL_MIC=m @@ -558,6 +568,7 @@ CONFIG_CRYPTO_SHA512=m CONFIG_CRYPTO_SHA3=m CONFIG_CRYPTO_TGR192=m CONFIG_CRYPTO_WP512=m +CONFIG_CRYPTO_AES_TI=m CONFIG_CRYPTO_ANUBIS=m CONFIG_CRYPTO_BLOWFISH=m CONFIG_CRYPTO_CAMELLIA=m @@ -582,4 +593,5 @@ CONFIG_CRYPTO_USER_API_SKCIPHER=m CONFIG_CRYPTO_USER_API_RNG=m CONFIG_CRYPTO_USER_API_AEAD=m # CONFIG_CRYPTO_HW is not set +CONFIG_CRC32_SELFTEST=m CONFIG_XZ_DEC_TEST=m diff --git a/arch/m68k/include/asm/bitops.h b/arch/m68k/include/asm/bitops.h index b4a9b0d..dda58cf 100644 --- a/arch/m68k/include/asm/bitops.h +++ b/arch/m68k/include/asm/bitops.h @@ -148,7 +148,7 @@ static inline void bfchg_mem_change_bit(int nr, volatile unsigned long *vaddr) #define __change_bit(nr, vaddr) change_bit(nr, vaddr) -static inline int test_bit(int nr, const unsigned long *vaddr) +static inline int test_bit(int nr, const volatile unsigned long *vaddr) { return (vaddr[nr >> 5] & (1UL << (nr & 31))) != 0; } diff --git a/arch/m68k/include/asm/unistd.h b/arch/m68k/include/asm/unistd.h index a857d82..aab1edd 100644 --- a/arch/m68k/include/asm/unistd.h +++ b/arch/m68k/include/asm/unistd.h @@ -4,7 +4,7 @@ #include <uapi/asm/unistd.h> -#define NR_syscalls 379 +#define NR_syscalls 380 #define __ARCH_WANT_OLD_READDIR #define __ARCH_WANT_OLD_STAT diff --git a/arch/m68k/include/uapi/asm/unistd.h b/arch/m68k/include/uapi/asm/unistd.h index 9fe674bf..25589f5 100644 --- a/arch/m68k/include/uapi/asm/unistd.h +++ b/arch/m68k/include/uapi/asm/unistd.h @@ -384,5 +384,6 @@ #define __NR_copy_file_range 376 #define __NR_preadv2 377 #define __NR_pwritev2 378 +#define __NR_statx 379 #endif /* _UAPI_ASM_M68K_UNISTD_H_ */ diff --git a/arch/m68k/kernel/syscalltable.S b/arch/m68k/kernel/syscalltable.S index d6fd6d9..8c9fcfa 100644 --- a/arch/m68k/kernel/syscalltable.S +++ b/arch/m68k/kernel/syscalltable.S @@ -399,3 +399,4 @@ ENTRY(sys_call_table) .long sys_copy_file_range .long sys_preadv2 .long sys_pwritev2 + .long sys_statx diff --git a/arch/metag/include/asm/uaccess.h b/arch/metag/include/asm/uaccess.h index 273e612..07238b3 100644 --- a/arch/metag/include/asm/uaccess.h +++ b/arch/metag/include/asm/uaccess.h @@ -197,20 +197,21 @@ extern long __must_check strnlen_user(const char __user *src, long count); #define strlen_user(str) strnlen_user(str, 32767) -extern unsigned long __must_check __copy_user_zeroing(void *to, - const void __user *from, - unsigned long n); +extern unsigned long raw_copy_from_user(void *to, const void __user *from, + unsigned long n); static inline unsigned long copy_from_user(void *to, const void __user *from, unsigned long n) { + unsigned long res = n; if (likely(access_ok(VERIFY_READ, from, n))) - return __copy_user_zeroing(to, from, n); - memset(to, 0, n); - return n; + res = raw_copy_from_user(to, from, n); + if (unlikely(res)) + memset(to + (n - res), 0, res); + return res; } -#define __copy_from_user(to, from, n) __copy_user_zeroing(to, from, n) +#define __copy_from_user(to, from, n) raw_copy_from_user(to, from, n) #define __copy_from_user_inatomic __copy_from_user extern unsigned long __must_check __copy_user(void __user *to, diff --git a/arch/metag/kernel/ptrace.c b/arch/metag/kernel/ptrace.c index 5fd16ee..e615603 100644 --- a/arch/metag/kernel/ptrace.c +++ b/arch/metag/kernel/ptrace.c @@ -26,6 +26,16 @@ * user_regset definitions. */ +static unsigned long user_txstatus(const struct pt_regs *regs) +{ + unsigned long data = (unsigned long)regs->ctx.Flags; + + if (regs->ctx.SaveMask & TBICTX_CBUF_BIT) + data |= USER_GP_REGS_STATUS_CATCH_BIT; + + return data; +} + int metag_gp_regs_copyout(const struct pt_regs *regs, unsigned int pos, unsigned int count, void *kbuf, void __user *ubuf) @@ -64,9 +74,7 @@ int metag_gp_regs_copyout(const struct pt_regs *regs, if (ret) goto out; /* TXSTATUS */ - data = (unsigned long)regs->ctx.Flags; - if (regs->ctx.SaveMask & TBICTX_CBUF_BIT) - data |= USER_GP_REGS_STATUS_CATCH_BIT; + data = user_txstatus(regs); ret = user_regset_copyout(&pos, &count, &kbuf, &ubuf, &data, 4*25, 4*26); if (ret) @@ -121,6 +129,7 @@ int metag_gp_regs_copyin(struct pt_regs *regs, if (ret) goto out; /* TXSTATUS */ + data = user_txstatus(regs); ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, &data, 4*25, 4*26); if (ret) @@ -246,6 +255,8 @@ int metag_rp_state_copyin(struct pt_regs *regs, unsigned long long *ptr; int ret, i; + if (count < 4*13) + return -EINVAL; /* Read the entire pipeline before making any changes */ ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, &rp, 0, 4*13); @@ -305,7 +316,7 @@ static int metag_tls_set(struct task_struct *target, const void *kbuf, const void __user *ubuf) { int ret; - void __user *tls; + void __user *tls = target->thread.tls_ptr; ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, &tls, 0, -1); if (ret) diff --git a/arch/metag/lib/usercopy.c b/arch/metag/lib/usercopy.c index b3ebfe9..2792fc6 100644 --- a/arch/metag/lib/usercopy.c +++ b/arch/metag/lib/usercopy.c @@ -29,7 +29,6 @@ COPY \ "1:\n" \ " .section .fixup,\"ax\"\n" \ - " MOV D1Ar1,#0\n" \ FIXUP \ " MOVT D1Ar1,#HI(1b)\n" \ " JUMP D1Ar1,#LO(1b)\n" \ @@ -260,27 +259,31 @@ "MGETL D0FrT, D0.5, D0.6, D0.7, [%1++]\n" \ "22:\n" \ "MSETL [%0++], D0FrT, D0.5, D0.6, D0.7\n" \ - "SUB %3, %3, #32\n" \ "23:\n" \ - "MGETL D0FrT, D0.5, D0.6, D0.7, [%1++]\n" \ + "SUB %3, %3, #32\n" \ "24:\n" \ + "MGETL D0FrT, D0.5, D0.6, D0.7, [%1++]\n" \ + "25:\n" \ "MSETL [%0++], D0FrT, D0.5, D0.6, D0.7\n" \ + "26:\n" \ "SUB %3, %3, #32\n" \ "DCACHE [%1+#-64], D0Ar6\n" \ "BR $Lloop"id"\n" \ \ "MOV RAPF, %1\n" \ - "25:\n" \ + "27:\n" \ "MGETL D0FrT, D0.5, D0.6, D0.7, [%1++]\n" \ - "26:\n" \ + "28:\n" \ "MSETL [%0++], D0FrT, D0.5, D0.6, D0.7\n" \ + "29:\n" \ "SUB %3, %3, #32\n" \ - "27:\n" \ + "30:\n" \ "MGETL D0FrT, D0.5, D0.6, D0.7, [%1++]\n" \ - "28:\n" \ + "31:\n" \ "MSETL [%0++], D0FrT, D0.5, D0.6, D0.7\n" \ + "32:\n" \ "SUB %0, %0, #8\n" \ - "29:\n" \ + "33:\n" \ "SETL [%0++], D0.7, D1.7\n" \ "SUB %3, %3, #32\n" \ "1:" \ @@ -312,11 +315,15 @@ " .long 26b,3b\n" \ " .long 27b,3b\n" \ " .long 28b,3b\n" \ - " .long 29b,4b\n" \ + " .long 29b,3b\n" \ + " .long 30b,3b\n" \ + " .long 31b,3b\n" \ + " .long 32b,3b\n" \ + " .long 33b,4b\n" \ " .previous\n" \ : "=r" (to), "=r" (from), "=r" (ret), "=d" (n) \ : "0" (to), "1" (from), "2" (ret), "3" (n) \ - : "D1Ar1", "D0Ar2", "memory") + : "D1Ar1", "D0Ar2", "cc", "memory") /* rewind 'to' and 'from' pointers when a fault occurs * @@ -342,7 +349,7 @@ #define __asm_copy_to_user_64bit_rapf_loop(to, from, ret, n, id)\ __asm_copy_user_64bit_rapf_loop(to, from, ret, n, id, \ "LSR D0Ar2, D0Ar2, #8\n" \ - "AND D0Ar2, D0Ar2, #0x7\n" \ + "ANDS D0Ar2, D0Ar2, #0x7\n" \ "ADDZ D0Ar2, D0Ar2, #4\n" \ "SUB D0Ar2, D0Ar2, #1\n" \ "MOV D1Ar1, #4\n" \ @@ -403,47 +410,55 @@ "MGETD D0FrT, D0.5, D0.6, D0.7, [%1++]\n" \ "22:\n" \ "MSETD [%0++], D0FrT, D0.5, D0.6, D0.7\n" \ - "SUB %3, %3, #16\n" \ "23:\n" \ - "MGETD D0FrT, D0.5, D0.6, D0.7, [%1++]\n" \ - "24:\n" \ - "MSETD [%0++], D0FrT, D0.5, D0.6, D0.7\n" \ "SUB %3, %3, #16\n" \ - "25:\n" \ + "24:\n" \ "MGETD D0FrT, D0.5, D0.6, D0.7, [%1++]\n" \ - "26:\n" \ + "25:\n" \ "MSETD [%0++], D0FrT, D0.5, D0.6, D0.7\n" \ + "26:\n" \ "SUB %3, %3, #16\n" \ "27:\n" \ "MGETD D0FrT, D0.5, D0.6, D0.7, [%1++]\n" \ "28:\n" \ "MSETD [%0++], D0FrT, D0.5, D0.6, D0.7\n" \ + "29:\n" \ + "SUB %3, %3, #16\n" \ + "30:\n" \ + "MGETD D0FrT, D0.5, D0.6, D0.7, [%1++]\n" \ + "31:\n" \ + "MSETD [%0++], D0FrT, D0.5, D0.6, D0.7\n" \ + "32:\n" \ "SUB %3, %3, #16\n" \ "DCACHE [%1+#-64], D0Ar6\n" \ "BR $Lloop"id"\n" \ \ "MOV RAPF, %1\n" \ - "29:\n" \ + "33:\n" \ "MGETD D0FrT, D0.5, D0.6, D0.7, [%1++]\n" \ - "30:\n" \ + "34:\n" \ "MSETD [%0++], D0FrT, D0.5, D0.6, D0.7\n" \ + "35:\n" \ "SUB %3, %3, #16\n" \ - "31:\n" \ + "36:\n" \ "MGETD D0FrT, D0.5, D0.6, D0.7, [%1++]\n" \ - "32:\n" \ + "37:\n" \ "MSETD [%0++], D0FrT, D0.5, D0.6, D0.7\n" \ + "38:\n" \ "SUB %3, %3, #16\n" \ - "33:\n" \ + "39:\n" \ "MGETD D0FrT, D0.5, D0.6, D0.7, [%1++]\n" \ - "34:\n" \ + "40:\n" \ "MSETD [%0++], D0FrT, D0.5, D0.6, D0.7\n" \ + "41:\n" \ "SUB %3, %3, #16\n" \ - "35:\n" \ + "42:\n" \ "MGETD D0FrT, D0.5, D0.6, D0.7, [%1++]\n" \ - "36:\n" \ + "43:\n" \ "MSETD [%0++], D0FrT, D0.5, D0.6, D0.7\n" \ + "44:\n" \ "SUB %0, %0, #4\n" \ - "37:\n" \ + "45:\n" \ "SETD [%0++], D0.7\n" \ "SUB %3, %3, #16\n" \ "1:" \ @@ -483,11 +498,19 @@ " .long 34b,3b\n" \ " .long 35b,3b\n" \ " .long 36b,3b\n" \ - " .long 37b,4b\n" \ + " .long 37b,3b\n" \ + " .long 38b,3b\n" \ + " .long 39b,3b\n" \ + " .long 40b,3b\n" \ + " .long 41b,3b\n" \ + " .long 42b,3b\n" \ + " .long 43b,3b\n" \ + " .long 44b,3b\n" \ + " .long 45b,4b\n" \ " .previous\n" \ : "=r" (to), "=r" (from), "=r" (ret), "=d" (n) \ : "0" (to), "1" (from), "2" (ret), "3" (n) \ - : "D1Ar1", "D0Ar2", "memory") + : "D1Ar1", "D0Ar2", "cc", "memory") /* rewind 'to' and 'from' pointers when a fault occurs * @@ -513,7 +536,7 @@ #define __asm_copy_to_user_32bit_rapf_loop(to, from, ret, n, id)\ __asm_copy_user_32bit_rapf_loop(to, from, ret, n, id, \ "LSR D0Ar2, D0Ar2, #8\n" \ - "AND D0Ar2, D0Ar2, #0x7\n" \ + "ANDS D0Ar2, D0Ar2, #0x7\n" \ "ADDZ D0Ar2, D0Ar2, #4\n" \ "SUB D0Ar2, D0Ar2, #1\n" \ "MOV D1Ar1, #4\n" \ @@ -538,23 +561,31 @@ unsigned long __copy_user(void __user *pdst, const void *psrc, if ((unsigned long) src & 1) { __asm_copy_to_user_1(dst, src, retn); n--; + if (retn) + return retn + n; } if ((unsigned long) dst & 1) { /* Worst case - byte copy */ while (n > 0) { __asm_copy_to_user_1(dst, src, retn); n--; + if (retn) + return retn + n; } } if (((unsigned long) src & 2) && n >= 2) { __asm_copy_to_user_2(dst, src, retn); n -= 2; + if (retn) + return retn + n; } if ((unsigned long) dst & 2) { /* Second worst case - word copy */ while (n >= 2) { __asm_copy_to_user_2(dst, src, retn); n -= 2; + if (retn) + return retn + n; } } @@ -569,6 +600,8 @@ unsigned long __copy_user(void __user *pdst, const void *psrc, while (n >= 8) { __asm_copy_to_user_8x64(dst, src, retn); n -= 8; + if (retn) + return retn + n; } } if (n >= RAPF_MIN_BUF_SIZE) { @@ -581,6 +614,8 @@ unsigned long __copy_user(void __user *pdst, const void *psrc, while (n >= 8) { __asm_copy_to_user_8x64(dst, src, retn); n -= 8; + if (retn) + return retn + n; } } #endif @@ -588,11 +623,15 @@ unsigned long __copy_user(void __user *pdst, const void *psrc, while (n >= 16) { __asm_copy_to_user_16(dst, src, retn); n -= 16; + if (retn) + return retn + n; } while (n >= 4) { __asm_copy_to_user_4(dst, src, retn); n -= 4; + if (retn) + return retn + n; } switch (n) { @@ -609,6 +648,10 @@ unsigned long __copy_user(void __user *pdst, const void *psrc, break; } + /* + * If we get here, retn correctly reflects the number of failing + * bytes. + */ return retn; } EXPORT_SYMBOL(__copy_user); @@ -617,16 +660,14 @@ EXPORT_SYMBOL(__copy_user); __asm_copy_user_cont(to, from, ret, \ " GETB D1Ar1,[%1++]\n" \ "2: SETB [%0++],D1Ar1\n", \ - "3: ADD %2,%2,#1\n" \ - " SETB [%0++],D1Ar1\n", \ + "3: ADD %2,%2,#1\n", \ " .long 2b,3b\n") #define __asm_copy_from_user_2x_cont(to, from, ret, COPY, FIXUP, TENTRY) \ __asm_copy_user_cont(to, from, ret, \ " GETW D1Ar1,[%1++]\n" \ "2: SETW [%0++],D1Ar1\n" COPY, \ - "3: ADD %2,%2,#2\n" \ - " SETW [%0++],D1Ar1\n" FIXUP, \ + "3: ADD %2,%2,#2\n" FIXUP, \ " .long 2b,3b\n" TENTRY) #define __asm_copy_from_user_2(to, from, ret) \ @@ -636,145 +677,26 @@ EXPORT_SYMBOL(__copy_user); __asm_copy_from_user_2x_cont(to, from, ret, \ " GETB D1Ar1,[%1++]\n" \ "4: SETB [%0++],D1Ar1\n", \ - "5: ADD %2,%2,#1\n" \ - " SETB [%0++],D1Ar1\n", \ + "5: ADD %2,%2,#1\n", \ " .long 4b,5b\n") #define __asm_copy_from_user_4x_cont(to, from, ret, COPY, FIXUP, TENTRY) \ __asm_copy_user_cont(to, from, ret, \ " GETD D1Ar1,[%1++]\n" \ "2: SETD [%0++],D1Ar1\n" COPY, \ - "3: ADD %2,%2,#4\n" \ - " SETD [%0++],D1Ar1\n" FIXUP, \ + "3: ADD %2,%2,#4\n" FIXUP, \ " .long 2b,3b\n" TENTRY) #define __asm_copy_from_user_4(to, from, ret) \ __asm_copy_from_user_4x_cont(to, from, ret, "", "", "") -#define __asm_copy_from_user_5(to, from, ret) \ - __asm_copy_from_user_4x_cont(to, from, ret, \ - " GETB D1Ar1,[%1++]\n" \ - "4: SETB [%0++],D1Ar1\n", \ - "5: ADD %2,%2,#1\n" \ - " SETB [%0++],D1Ar1\n", \ - " .long 4b,5b\n") - -#define __asm_copy_from_user_6x_cont(to, from, ret, COPY, FIXUP, TENTRY) \ - __asm_copy_from_user_4x_cont(to, from, ret, \ - " GETW D1Ar1,[%1++]\n" \ - "4: SETW [%0++],D1Ar1\n" COPY, \ - "5: ADD %2,%2,#2\n" \ - " SETW [%0++],D1Ar1\n" FIXUP, \ - " .long 4b,5b\n" TENTRY) - -#define __asm_copy_from_user_6(to, from, ret) \ - __asm_copy_from_user_6x_cont(to, from, ret, "", "", "") - -#define __asm_copy_from_user_7(to, from, ret) \ - __asm_copy_from_user_6x_cont(to, from, ret, \ - " GETB D1Ar1,[%1++]\n" \ - "6: SETB [%0++],D1Ar1\n", \ - "7: ADD %2,%2,#1\n" \ - " SETB [%0++],D1Ar1\n", \ - " .long 6b,7b\n") - -#define __asm_copy_from_user_8x_cont(to, from, ret, COPY, FIXUP, TENTRY) \ - __asm_copy_from_user_4x_cont(to, from, ret, \ - " GETD D1Ar1,[%1++]\n" \ - "4: SETD [%0++],D1Ar1\n" COPY, \ - "5: ADD %2,%2,#4\n" \ - " SETD [%0++],D1Ar1\n" FIXUP, \ - " .long 4b,5b\n" TENTRY) - -#define __asm_copy_from_user_8(to, from, ret) \ - __asm_copy_from_user_8x_cont(to, from, ret, "", "", "") - -#define __asm_copy_from_user_9(to, from, ret) \ - __asm_copy_from_user_8x_cont(to, from, ret, \ - " GETB D1Ar1,[%1++]\n" \ - "6: SETB [%0++],D1Ar1\n", \ - "7: ADD %2,%2,#1\n" \ - " SETB [%0++],D1Ar1\n", \ - " .long 6b,7b\n") - -#define __asm_copy_from_user_10x_cont(to, from, ret, COPY, FIXUP, TENTRY) \ - __asm_copy_from_user_8x_cont(to, from, ret, \ - " GETW D1Ar1,[%1++]\n" \ - "6: SETW [%0++],D1Ar1\n" COPY, \ - "7: ADD %2,%2,#2\n" \ - " SETW [%0++],D1Ar1\n" FIXUP, \ - " .long 6b,7b\n" TENTRY) - -#define __asm_copy_from_user_10(to, from, ret) \ - __asm_copy_from_user_10x_cont(to, from, ret, "", "", "") - -#define __asm_copy_from_user_11(to, from, ret) \ - __asm_copy_from_user_10x_cont(to, from, ret, \ - " GETB D1Ar1,[%1++]\n" \ - "8: SETB [%0++],D1Ar1\n", \ - "9: ADD %2,%2,#1\n" \ - " SETB [%0++],D1Ar1\n", \ - " .long 8b,9b\n") - -#define __asm_copy_from_user_12x_cont(to, from, ret, COPY, FIXUP, TENTRY) \ - __asm_copy_from_user_8x_cont(to, from, ret, \ - " GETD D1Ar1,[%1++]\n" \ - "6: SETD [%0++],D1Ar1\n" COPY, \ - "7: ADD %2,%2,#4\n" \ - " SETD [%0++],D1Ar1\n" FIXUP, \ - " .long 6b,7b\n" TENTRY) - -#define __asm_copy_from_user_12(to, from, ret) \ - __asm_copy_from_user_12x_cont(to, from, ret, "", "", "") - -#define __asm_copy_from_user_13(to, from, ret) \ - __asm_copy_from_user_12x_cont(to, from, ret, \ - " GETB D1Ar1,[%1++]\n" \ - "8: SETB [%0++],D1Ar1\n", \ - "9: ADD %2,%2,#1\n" \ - " SETB [%0++],D1Ar1\n", \ - " .long 8b,9b\n") - -#define __asm_copy_from_user_14x_cont(to, from, ret, COPY, FIXUP, TENTRY) \ - __asm_copy_from_user_12x_cont(to, from, ret, \ - " GETW D1Ar1,[%1++]\n" \ - "8: SETW [%0++],D1Ar1\n" COPY, \ - "9: ADD %2,%2,#2\n" \ - " SETW [%0++],D1Ar1\n" FIXUP, \ - " .long 8b,9b\n" TENTRY) - -#define __asm_copy_from_user_14(to, from, ret) \ - __asm_copy_from_user_14x_cont(to, from, ret, "", "", "") - -#define __asm_copy_from_user_15(to, from, ret) \ - __asm_copy_from_user_14x_cont(to, from, ret, \ - " GETB D1Ar1,[%1++]\n" \ - "10: SETB [%0++],D1Ar1\n", \ - "11: ADD %2,%2,#1\n" \ - " SETB [%0++],D1Ar1\n", \ - " .long 10b,11b\n") - -#define __asm_copy_from_user_16x_cont(to, from, ret, COPY, FIXUP, TENTRY) \ - __asm_copy_from_user_12x_cont(to, from, ret, \ - " GETD D1Ar1,[%1++]\n" \ - "8: SETD [%0++],D1Ar1\n" COPY, \ - "9: ADD %2,%2,#4\n" \ - " SETD [%0++],D1Ar1\n" FIXUP, \ - " .long 8b,9b\n" TENTRY) - -#define __asm_copy_from_user_16(to, from, ret) \ - __asm_copy_from_user_16x_cont(to, from, ret, "", "", "") - #define __asm_copy_from_user_8x64(to, from, ret) \ asm volatile ( \ " GETL D0Ar2,D1Ar1,[%1++]\n" \ "2: SETL [%0++],D0Ar2,D1Ar1\n" \ "1:\n" \ " .section .fixup,\"ax\"\n" \ - " MOV D1Ar1,#0\n" \ - " MOV D0Ar2,#0\n" \ "3: ADD %2,%2,#8\n" \ - " SETL [%0++],D0Ar2,D1Ar1\n" \ " MOVT D0Ar2,#HI(1b)\n" \ " JUMP D0Ar2,#LO(1b)\n" \ " .previous\n" \ @@ -789,36 +711,57 @@ EXPORT_SYMBOL(__copy_user); * * Rationale: * A fault occurs while reading from user buffer, which is the - * source. Since the fault is at a single address, we only - * need to rewind by 8 bytes. + * source. * Since we don't write to kernel buffer until we read first, * the kernel buffer is at the right state and needn't be - * corrected. + * corrected, but the source must be rewound to the beginning of + * the block, which is LSM_STEP*8 bytes. + * LSM_STEP is bits 10:8 in TXSTATUS which is already read + * and stored in D0Ar2 + * + * NOTE: If a fault occurs at the last operation in M{G,S}ETL + * LSM_STEP will be 0. ie: we do 4 writes in our case, if + * a fault happens at the 4th write, LSM_STEP will be 0 + * instead of 4. The code copes with that. */ #define __asm_copy_from_user_64bit_rapf_loop(to, from, ret, n, id) \ __asm_copy_user_64bit_rapf_loop(to, from, ret, n, id, \ - "SUB %1, %1, #8\n") + "LSR D0Ar2, D0Ar2, #5\n" \ + "ANDS D0Ar2, D0Ar2, #0x38\n" \ + "ADDZ D0Ar2, D0Ar2, #32\n" \ + "SUB %1, %1, D0Ar2\n") /* rewind 'from' pointer when a fault occurs * * Rationale: * A fault occurs while reading from user buffer, which is the - * source. Since the fault is at a single address, we only - * need to rewind by 4 bytes. + * source. * Since we don't write to kernel buffer until we read first, * the kernel buffer is at the right state and needn't be - * corrected. + * corrected, but the source must be rewound to the beginning of + * the block, which is LSM_STEP*4 bytes. + * LSM_STEP is bits 10:8 in TXSTATUS which is already read + * and stored in D0Ar2 + * + * NOTE: If a fault occurs at the last operation in M{G,S}ETL + * LSM_STEP will be 0. ie: we do 4 writes in our case, if + * a fault happens at the 4th write, LSM_STEP will be 0 + * instead of 4. The code copes with that. */ #define __asm_copy_from_user_32bit_rapf_loop(to, from, ret, n, id) \ __asm_copy_user_32bit_rapf_loop(to, from, ret, n, id, \ - "SUB %1, %1, #4\n") + "LSR D0Ar2, D0Ar2, #6\n" \ + "ANDS D0Ar2, D0Ar2, #0x1c\n" \ + "ADDZ D0Ar2, D0Ar2, #16\n" \ + "SUB %1, %1, D0Ar2\n") -/* Copy from user to kernel, zeroing the bytes that were inaccessible in - userland. The return-value is the number of bytes that were - inaccessible. */ -unsigned long __copy_user_zeroing(void *pdst, const void __user *psrc, - unsigned long n) +/* + * Copy from user to kernel. The return-value is the number of bytes that were + * inaccessible. + */ +unsigned long raw_copy_from_user(void *pdst, const void __user *psrc, + unsigned long n) { register char *dst asm ("A0.2") = pdst; register const char __user *src asm ("A1.2") = psrc; @@ -830,6 +773,8 @@ unsigned long __copy_user_zeroing(void *pdst, const void __user *psrc, if ((unsigned long) src & 1) { __asm_copy_from_user_1(dst, src, retn); n--; + if (retn) + return retn + n; } if ((unsigned long) dst & 1) { /* Worst case - byte copy */ @@ -837,12 +782,14 @@ unsigned long __copy_user_zeroing(void *pdst, const void __user *psrc, __asm_copy_from_user_1(dst, src, retn); n--; if (retn) - goto copy_exception_bytes; + return retn + n; } } if (((unsigned long) src & 2) && n >= 2) { __asm_copy_from_user_2(dst, src, retn); n -= 2; + if (retn) + return retn + n; } if ((unsigned long) dst & 2) { /* Second worst case - word copy */ @@ -850,16 +797,10 @@ unsigned long __copy_user_zeroing(void *pdst, const void __user *psrc, __asm_copy_from_user_2(dst, src, retn); n -= 2; if (retn) - goto copy_exception_bytes; + return retn + n; } } - /* We only need one check after the unalignment-adjustments, - because if both adjustments were done, either both or - neither reference had an exception. */ - if (retn != 0) - goto copy_exception_bytes; - #ifdef USE_RAPF /* 64 bit copy loop */ if (!(((unsigned long) src | (unsigned long) dst) & 7)) { @@ -872,7 +813,7 @@ unsigned long __copy_user_zeroing(void *pdst, const void __user *psrc, __asm_copy_from_user_8x64(dst, src, retn); n -= 8; if (retn) - goto copy_exception_bytes; + return retn + n; } } @@ -888,7 +829,7 @@ unsigned long __copy_user_zeroing(void *pdst, const void __user *psrc, __asm_copy_from_user_8x64(dst, src, retn); n -= 8; if (retn) - goto copy_exception_bytes; + return retn + n; } } #endif @@ -898,7 +839,7 @@ unsigned long __copy_user_zeroing(void *pdst, const void __user *psrc, n -= 4; if (retn) - goto copy_exception_bytes; + return retn + n; } /* If we get here, there were no memory read faults. */ @@ -924,21 +865,8 @@ unsigned long __copy_user_zeroing(void *pdst, const void __user *psrc, /* If we get here, retn correctly reflects the number of failing bytes. */ return retn; - - copy_exception_bytes: - /* We already have "retn" bytes cleared, and need to clear the - remaining "n" bytes. A non-optimized simple byte-for-byte in-line - memset is preferred here, since this isn't speed-critical code and - we'd rather have this a leaf-function than calling memset. */ - { - char *endp; - for (endp = dst + n; dst < endp; dst++) - *dst = 0; - } - - return retn + n; } -EXPORT_SYMBOL(__copy_user_zeroing); +EXPORT_SYMBOL(raw_copy_from_user); #define __asm_clear_8x64(to, ret) \ asm volatile ( \ diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index a008a9f..e0bb576 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -1531,7 +1531,7 @@ config CPU_MIPS64_R6 select CPU_SUPPORTS_HIGHMEM select CPU_SUPPORTS_MSA select GENERIC_CSUM - select MIPS_O32_FP64_SUPPORT if MIPS32_O32 + select MIPS_O32_FP64_SUPPORT if 32BIT || MIPS32_O32 select HAVE_KVM help Choose this option to build a kernel for release 6 or later of the diff --git a/arch/mips/include/asm/fpu.h b/arch/mips/include/asm/fpu.h index f94455f..a2813fe 100644 --- a/arch/mips/include/asm/fpu.h +++ b/arch/mips/include/asm/fpu.h @@ -21,6 +21,7 @@ #include <asm/cpu-features.h> #include <asm/fpu_emulator.h> #include <asm/hazards.h> +#include <asm/ptrace.h> #include <asm/processor.h> #include <asm/current.h> #include <asm/msa.h> diff --git a/arch/mips/include/asm/irq.h b/arch/mips/include/asm/irq.h index 956db6e..ddd1c91 100644 --- a/arch/mips/include/asm/irq.h +++ b/arch/mips/include/asm/irq.h @@ -18,9 +18,24 @@ #include <irq.h> #define IRQ_STACK_SIZE THREAD_SIZE +#define IRQ_STACK_START (IRQ_STACK_SIZE - sizeof(unsigned long)) extern void *irq_stack[NR_CPUS]; +/* + * The highest address on the IRQ stack contains a dummy frame put down in + * genex.S (handle_int & except_vec_vi_handler) which is structured as follows: + * + * top ------------ + * | task sp | <- irq_stack[cpu] + IRQ_STACK_START + * ------------ + * | | <- First frame of IRQ context + * ------------ + * + * task sp holds a copy of the task stack pointer where the struct pt_regs + * from exception entry can be found. + */ + static inline bool on_irq_stack(int cpu, unsigned long sp) { unsigned long low = (unsigned long)irq_stack[cpu]; diff --git a/arch/mips/include/asm/spinlock.h b/arch/mips/include/asm/spinlock.h index f485afe..a8df44d 100644 --- a/arch/mips/include/asm/spinlock.h +++ b/arch/mips/include/asm/spinlock.h @@ -127,7 +127,7 @@ static inline void arch_spin_lock(arch_spinlock_t *lock) " andi %[ticket], %[ticket], 0xffff \n" " bne %[ticket], %[my_ticket], 4f \n" " subu %[ticket], %[my_ticket], %[ticket] \n" - "2: \n" + "2: .insn \n" " .subsection 2 \n" "4: andi %[ticket], %[ticket], 0xffff \n" " sll %[ticket], 5 \n" @@ -202,7 +202,7 @@ static inline unsigned int arch_spin_trylock(arch_spinlock_t *lock) " sc %[ticket], %[ticket_ptr] \n" " beqz %[ticket], 1b \n" " li %[ticket], 1 \n" - "2: \n" + "2: .insn \n" " .subsection 2 \n" "3: b 2b \n" " li %[ticket], 0 \n" @@ -382,7 +382,7 @@ static inline int arch_read_trylock(arch_rwlock_t *rw) " .set reorder \n" __WEAK_LLSC_MB " li %2, 1 \n" - "2: \n" + "2: .insn \n" : "=" GCC_OFF_SMALL_ASM() (rw->lock), "=&r" (tmp), "=&r" (ret) : GCC_OFF_SMALL_ASM() (rw->lock) : "memory"); @@ -422,7 +422,7 @@ static inline int arch_write_trylock(arch_rwlock_t *rw) " lui %1, 0x8000 \n" " sc %1, %0 \n" " li %2, 1 \n" - "2: \n" + "2: .insn \n" : "=" GCC_OFF_SMALL_ASM() (rw->lock), "=&r" (tmp), "=&r" (ret) : GCC_OFF_SMALL_ASM() (rw->lock) diff --git a/arch/mips/include/uapi/asm/unistd.h b/arch/mips/include/uapi/asm/unistd.h index 3e940db..78faf42 100644 --- a/arch/mips/include/uapi/asm/unistd.h +++ b/arch/mips/include/uapi/asm/unistd.h @@ -386,17 +386,18 @@ #define __NR_pkey_mprotect (__NR_Linux + 363) #define __NR_pkey_alloc (__NR_Linux + 364) #define __NR_pkey_free (__NR_Linux + 365) +#define __NR_statx (__NR_Linux + 366) /* * Offset of the last Linux o32 flavoured syscall */ -#define __NR_Linux_syscalls 365 +#define __NR_Linux_syscalls 366 #endif /* _MIPS_SIM == _MIPS_SIM_ABI32 */ #define __NR_O32_Linux 4000 -#define __NR_O32_Linux_syscalls 365 +#define __NR_O32_Linux_syscalls 366 #if _MIPS_SIM == _MIPS_SIM_ABI64 @@ -730,16 +731,17 @@ #define __NR_pkey_mprotect (__NR_Linux + 323) #define __NR_pkey_alloc (__NR_Linux + 324) #define __NR_pkey_free (__NR_Linux + 325) +#define __NR_statx (__NR_Linux + 326) /* * Offset of the last Linux 64-bit flavoured syscall */ -#define __NR_Linux_syscalls 325 +#define __NR_Linux_syscalls 326 #endif /* _MIPS_SIM == _MIPS_SIM_ABI64 */ #define __NR_64_Linux 5000 -#define __NR_64_Linux_syscalls 325 +#define __NR_64_Linux_syscalls 326 #if _MIPS_SIM == _MIPS_SIM_NABI32 @@ -1077,15 +1079,16 @@ #define __NR_pkey_mprotect (__NR_Linux + 327) #define __NR_pkey_alloc (__NR_Linux + 328) #define __NR_pkey_free (__NR_Linux + 329) +#define __NR_statx (__NR_Linux + 330) /* * Offset of the last N32 flavoured syscall */ -#define __NR_Linux_syscalls 329 +#define __NR_Linux_syscalls 330 #endif /* _MIPS_SIM == _MIPS_SIM_NABI32 */ #define __NR_N32_Linux 6000 -#define __NR_N32_Linux_syscalls 329 +#define __NR_N32_Linux_syscalls 330 #endif /* _UAPI_ASM_UNISTD_H */ diff --git a/arch/mips/kernel/asm-offsets.c b/arch/mips/kernel/asm-offsets.c index bb5c5d3..a670c0c 100644 --- a/arch/mips/kernel/asm-offsets.c +++ b/arch/mips/kernel/asm-offsets.c @@ -102,6 +102,7 @@ void output_thread_info_defines(void) DEFINE(_THREAD_SIZE, THREAD_SIZE); DEFINE(_THREAD_MASK, THREAD_MASK); DEFINE(_IRQ_STACK_SIZE, IRQ_STACK_SIZE); + DEFINE(_IRQ_STACK_START, IRQ_STACK_START); BLANK(); } diff --git a/arch/mips/kernel/cps-vec.S b/arch/mips/kernel/cps-vec.S index 59476a6..a00e87b 100644 --- a/arch/mips/kernel/cps-vec.S +++ b/arch/mips/kernel/cps-vec.S @@ -361,7 +361,7 @@ LEAF(mips_cps_get_bootcfg) END(mips_cps_get_bootcfg) LEAF(mips_cps_boot_vpes) - PTR_L ta2, COREBOOTCFG_VPEMASK(a0) + lw ta2, COREBOOTCFG_VPEMASK(a0) PTR_L ta3, COREBOOTCFG_VPECONFIG(a0) #if defined(CONFIG_CPU_MIPSR6) diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c index 07718bb..12422fd 100644 --- a/arch/mips/kernel/cpu-probe.c +++ b/arch/mips/kernel/cpu-probe.c @@ -1824,7 +1824,7 @@ static inline void cpu_probe_loongson(struct cpuinfo_mips *c, unsigned int cpu) } decode_configs(c); - c->options |= MIPS_CPU_TLBINV | MIPS_CPU_LDPTE; + c->options |= MIPS_CPU_FTLB | MIPS_CPU_TLBINV | MIPS_CPU_LDPTE; c->writecombine = _CACHE_UNCACHED_ACCELERATED; break; default: diff --git a/arch/mips/kernel/genex.S b/arch/mips/kernel/genex.S index 7ec9612..ae810da 100644 --- a/arch/mips/kernel/genex.S +++ b/arch/mips/kernel/genex.S @@ -215,9 +215,11 @@ NESTED(handle_int, PT_SIZE, sp) beq t0, t1, 2f /* Switch to IRQ stack */ - li t1, _IRQ_STACK_SIZE + li t1, _IRQ_STACK_START PTR_ADD sp, t0, t1 + /* Save task's sp on IRQ stack so that unwinding can follow it */ + LONG_S s1, 0(sp) 2: jal plat_irq_dispatch @@ -325,9 +327,11 @@ NESTED(except_vec_vi_handler, 0, sp) beq t0, t1, 2f /* Switch to IRQ stack */ - li t1, _IRQ_STACK_SIZE + li t1, _IRQ_STACK_START PTR_ADD sp, t0, t1 + /* Save task's sp on IRQ stack so that unwinding can follow it */ + LONG_S s1, 0(sp) 2: jalr v0 @@ -519,7 +523,7 @@ NESTED(nmi_handler, PT_SIZE, sp) BUILD_HANDLER reserved reserved sti verbose /* others */ .align 5 - LEAF(handle_ri_rdhwr_vivt) + LEAF(handle_ri_rdhwr_tlbp) .set push .set noat .set noreorder @@ -538,7 +542,7 @@ NESTED(nmi_handler, PT_SIZE, sp) .set pop bltz k1, handle_ri /* slow path */ /* fall thru */ - END(handle_ri_rdhwr_vivt) + END(handle_ri_rdhwr_tlbp) LEAF(handle_ri_rdhwr) .set push diff --git a/arch/mips/kernel/process.c b/arch/mips/kernel/process.c index fb6b6b6..b68e10f 100644 --- a/arch/mips/kernel/process.c +++ b/arch/mips/kernel/process.c @@ -488,31 +488,52 @@ unsigned long notrace unwind_stack_by_address(unsigned long stack_page, unsigned long pc, unsigned long *ra) { + unsigned long low, high, irq_stack_high; struct mips_frame_info info; unsigned long size, ofs; + struct pt_regs *regs; int leaf; - extern void ret_from_irq(void); - extern void ret_from_exception(void); if (!stack_page) return 0; /* - * If we reached the bottom of interrupt context, - * return saved pc in pt_regs. + * IRQ stacks start at IRQ_STACK_START + * task stacks at THREAD_SIZE - 32 */ - if (pc == (unsigned long)ret_from_irq || - pc == (unsigned long)ret_from_exception) { - struct pt_regs *regs; - if (*sp >= stack_page && - *sp + sizeof(*regs) <= stack_page + THREAD_SIZE - 32) { - regs = (struct pt_regs *)*sp; - pc = regs->cp0_epc; - if (!user_mode(regs) && __kernel_text_address(pc)) { - *sp = regs->regs[29]; - *ra = regs->regs[31]; - return pc; - } + low = stack_page; + if (!preemptible() && on_irq_stack(raw_smp_processor_id(), *sp)) { + high = stack_page + IRQ_STACK_START; + irq_stack_high = high; + } else { + high = stack_page + THREAD_SIZE - 32; + irq_stack_high = 0; + } + + /* + * If we reached the top of the interrupt stack, start unwinding + * the interrupted task stack. + */ + if (unlikely(*sp == irq_stack_high)) { + unsigned long task_sp = *(unsigned long *)*sp; + + /* + * Check that the pointer saved in the IRQ stack head points to + * something within the stack of the current task + */ + if (!object_is_on_stack((void *)task_sp)) + return 0; + + /* + * Follow pointer to tasks kernel stack frame where interrupted + * state was saved. + */ + regs = (struct pt_regs *)task_sp; + pc = regs->cp0_epc; + if (!user_mode(regs) && __kernel_text_address(pc)) { + *sp = regs->regs[29]; + *ra = regs->regs[31]; + return pc; } return 0; } @@ -533,8 +554,7 @@ unsigned long notrace unwind_stack_by_address(unsigned long stack_page, if (leaf < 0) return 0; - if (*sp < stack_page || - *sp + info.frame_size > stack_page + THREAD_SIZE - 32) + if (*sp < low || *sp + info.frame_size > high) return 0; if (leaf) diff --git a/arch/mips/kernel/ptrace.c b/arch/mips/kernel/ptrace.c index 3396012..6931fe7 100644 --- a/arch/mips/kernel/ptrace.c +++ b/arch/mips/kernel/ptrace.c @@ -456,7 +456,8 @@ static int fpr_set(struct task_struct *target, &target->thread.fpu, 0, sizeof(elf_fpregset_t)); - for (i = 0; i < NUM_FPU_REGS; i++) { + BUILD_BUG_ON(sizeof(fpr_val) != sizeof(elf_fpreg_t)); + for (i = 0; i < NUM_FPU_REGS && count >= sizeof(elf_fpreg_t); i++) { err = user_regset_copyin(&pos, &count, &kbuf, &ubuf, &fpr_val, i * sizeof(elf_fpreg_t), (i + 1) * sizeof(elf_fpreg_t)); diff --git a/arch/mips/kernel/scall32-o32.S b/arch/mips/kernel/scall32-o32.S index c29d397..80ed68b 100644 --- a/arch/mips/kernel/scall32-o32.S +++ b/arch/mips/kernel/scall32-o32.S @@ -600,3 +600,4 @@ EXPORT(sys_call_table) PTR sys_pkey_mprotect PTR sys_pkey_alloc PTR sys_pkey_free /* 4365 */ + PTR sys_statx diff --git a/arch/mips/kernel/scall64-64.S b/arch/mips/kernel/scall64-64.S index 0687f96..49765b4 100644 --- a/arch/mips/kernel/scall64-64.S +++ b/arch/mips/kernel/scall64-64.S @@ -438,4 +438,5 @@ EXPORT(sys_call_table) PTR sys_pkey_mprotect PTR sys_pkey_alloc PTR sys_pkey_free /* 5325 */ + PTR sys_statx .size sys_call_table,.-sys_call_table diff --git a/arch/mips/kernel/scall64-n32.S b/arch/mips/kernel/scall64-n32.S index 0331ba3..90bad2d 100644 --- a/arch/mips/kernel/scall64-n32.S +++ b/arch/mips/kernel/scall64-n32.S @@ -433,4 +433,5 @@ EXPORT(sysn32_call_table) PTR sys_pkey_mprotect PTR sys_pkey_alloc PTR sys_pkey_free + PTR sys_statx /* 6330 */ .size sysn32_call_table,.-sysn32_call_table diff --git a/arch/mips/kernel/scall64-o32.S b/arch/mips/kernel/scall64-o32.S index 5a47042..2dd70bd 100644 --- a/arch/mips/kernel/scall64-o32.S +++ b/arch/mips/kernel/scall64-o32.S @@ -588,4 +588,5 @@ EXPORT(sys32_call_table) PTR sys_pkey_mprotect PTR sys_pkey_alloc PTR sys_pkey_free /* 4365 */ + PTR sys_statx .size sys32_call_table,.-sys32_call_table diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c index c7d17cf..b49e7bf 100644 --- a/arch/mips/kernel/traps.c +++ b/arch/mips/kernel/traps.c @@ -83,7 +83,7 @@ extern asmlinkage void handle_dbe(void); extern asmlinkage void handle_sys(void); extern asmlinkage void handle_bp(void); extern asmlinkage void handle_ri(void); -extern asmlinkage void handle_ri_rdhwr_vivt(void); +extern asmlinkage void handle_ri_rdhwr_tlbp(void); extern asmlinkage void handle_ri_rdhwr(void); extern asmlinkage void handle_cpu(void); extern asmlinkage void handle_ov(void); @@ -2408,9 +2408,18 @@ void __init trap_init(void) set_except_vector(EXCCODE_SYS, handle_sys); set_except_vector(EXCCODE_BP, handle_bp); - set_except_vector(EXCCODE_RI, rdhwr_noopt ? handle_ri : - (cpu_has_vtag_icache ? - handle_ri_rdhwr_vivt : handle_ri_rdhwr)); + + if (rdhwr_noopt) + set_except_vector(EXCCODE_RI, handle_ri); + else { + if (cpu_has_vtag_icache) + set_except_vector(EXCCODE_RI, handle_ri_rdhwr_tlbp); + else if (current_cpu_type() == CPU_LOONGSON3) + set_except_vector(EXCCODE_RI, handle_ri_rdhwr_tlbp); + else + set_except_vector(EXCCODE_RI, handle_ri_rdhwr); + } + set_except_vector(EXCCODE_CPU, handle_cpu); set_except_vector(EXCCODE_OV, handle_ov); set_except_vector(EXCCODE_TR, handle_tr); diff --git a/arch/mips/lantiq/xway/sysctrl.c b/arch/mips/lantiq/xway/sysctrl.c index 3c3aa05..95bec46 100644 --- a/arch/mips/lantiq/xway/sysctrl.c +++ b/arch/mips/lantiq/xway/sysctrl.c @@ -467,7 +467,7 @@ void __init ltq_soc_init(void) if (!np_xbar) panic("Failed to load xbar nodes from devicetree"); - if (of_address_to_resource(np_pmu, 0, &res_xbar)) + if (of_address_to_resource(np_xbar, 0, &res_xbar)) panic("Failed to get xbar resources"); if (!request_mem_region(res_xbar.start, resource_size(&res_xbar), res_xbar.name)) diff --git a/arch/mips/mm/c-r4k.c b/arch/mips/mm/c-r4k.c index e7f798d..3fe99cb 100644 --- a/arch/mips/mm/c-r4k.c +++ b/arch/mips/mm/c-r4k.c @@ -1562,6 +1562,7 @@ static void probe_vcache(void) vcache_size = c->vcache.sets * c->vcache.ways * c->vcache.linesz; c->vcache.waybit = 0; + c->vcache.waysize = vcache_size / c->vcache.ways; pr_info("Unified victim cache %ldkB %s, linesize %d bytes.\n", vcache_size >> 10, way_string[c->vcache.ways], c->vcache.linesz); @@ -1664,6 +1665,7 @@ static void __init loongson3_sc_init(void) /* Loongson-3 has 4 cores, 1MB scache for each. scaches are shared */ scache_size *= 4; c->scache.waybit = 0; + c->scache.waysize = scache_size / c->scache.ways; pr_info("Unified secondary cache %ldkB %s, linesize %d bytes.\n", scache_size >> 10, way_string[c->scache.ways], c->scache.linesz); if (scache_size) diff --git a/arch/mips/mm/tlbex.c b/arch/mips/mm/tlbex.c index 9bfee89..4f642e0 100644 --- a/arch/mips/mm/tlbex.c +++ b/arch/mips/mm/tlbex.c @@ -760,7 +760,8 @@ static void build_huge_update_entries(u32 **p, unsigned int pte, static void build_huge_handler_tail(u32 **p, struct uasm_reloc **r, struct uasm_label **l, unsigned int pte, - unsigned int ptr) + unsigned int ptr, + unsigned int flush) { #ifdef CONFIG_SMP UASM_i_SC(p, pte, 0, ptr); @@ -769,6 +770,22 @@ static void build_huge_handler_tail(u32 **p, struct uasm_reloc **r, #else UASM_i_SW(p, pte, 0, ptr); #endif + if (cpu_has_ftlb && flush) { + BUG_ON(!cpu_has_tlbinv); + + UASM_i_MFC0(p, ptr, C0_ENTRYHI); + uasm_i_ori(p, ptr, ptr, MIPS_ENTRYHI_EHINV); + UASM_i_MTC0(p, ptr, C0_ENTRYHI); + build_tlb_write_entry(p, l, r, tlb_indexed); + + uasm_i_xori(p, ptr, ptr, MIPS_ENTRYHI_EHINV); + UASM_i_MTC0(p, ptr, C0_ENTRYHI); + build_huge_update_entries(p, pte, ptr); + build_huge_tlb_write_entry(p, l, r, pte, tlb_random, 0); + + return; + } + build_huge_update_entries(p, pte, ptr); build_huge_tlb_write_entry(p, l, r, pte, tlb_indexed, 0); } @@ -2199,7 +2216,7 @@ static void build_r4000_tlb_load_handler(void) uasm_l_tlbl_goaround2(&l, p); } uasm_i_ori(&p, wr.r1, wr.r1, (_PAGE_ACCESSED | _PAGE_VALID)); - build_huge_handler_tail(&p, &r, &l, wr.r1, wr.r2); + build_huge_handler_tail(&p, &r, &l, wr.r1, wr.r2, 1); #endif uasm_l_nopage_tlbl(&l, p); @@ -2254,7 +2271,7 @@ static void build_r4000_tlb_store_handler(void) build_tlb_probe_entry(&p); uasm_i_ori(&p, wr.r1, wr.r1, _PAGE_ACCESSED | _PAGE_MODIFIED | _PAGE_VALID | _PAGE_DIRTY); - build_huge_handler_tail(&p, &r, &l, wr.r1, wr.r2); + build_huge_handler_tail(&p, &r, &l, wr.r1, wr.r2, 1); #endif uasm_l_nopage_tlbs(&l, p); @@ -2310,7 +2327,7 @@ static void build_r4000_tlb_modify_handler(void) build_tlb_probe_entry(&p); uasm_i_ori(&p, wr.r1, wr.r1, _PAGE_ACCESSED | _PAGE_MODIFIED | _PAGE_VALID | _PAGE_DIRTY); - build_huge_handler_tail(&p, &r, &l, wr.r1, wr.r2); + build_huge_handler_tail(&p, &r, &l, wr.r1, wr.r2, 0); #endif uasm_l_nopage_tlbm(&l, p); diff --git a/arch/mips/ralink/rt3883.c b/arch/mips/ralink/rt3883.c index c4ffd43..48ce701 100644 --- a/arch/mips/ralink/rt3883.c +++ b/arch/mips/ralink/rt3883.c @@ -35,7 +35,7 @@ static struct rt2880_pmx_func uartlite_func[] = { FUNC("uartlite", 0, 15, 2) }; static struct rt2880_pmx_func jtag_func[] = { FUNC("jtag", 0, 17, 5) }; static struct rt2880_pmx_func mdio_func[] = { FUNC("mdio", 0, 22, 2) }; static struct rt2880_pmx_func lna_a_func[] = { FUNC("lna a", 0, 32, 3) }; -static struct rt2880_pmx_func lna_g_func[] = { FUNC("lna a", 0, 35, 3) }; +static struct rt2880_pmx_func lna_g_func[] = { FUNC("lna g", 0, 35, 3) }; static struct rt2880_pmx_func pci_func[] = { FUNC("pci-dev", 0, 40, 32), FUNC("pci-host2", 1, 40, 32), @@ -43,7 +43,7 @@ static struct rt2880_pmx_func pci_func[] = { FUNC("pci-fnc", 3, 40, 32) }; static struct rt2880_pmx_func ge1_func[] = { FUNC("ge1", 0, 72, 12) }; -static struct rt2880_pmx_func ge2_func[] = { FUNC("ge1", 0, 84, 12) }; +static struct rt2880_pmx_func ge2_func[] = { FUNC("ge2", 0, 84, 12) }; static struct rt2880_pmx_group rt3883_pinmux_data[] = { GRP("i2c", i2c_func, 1, RT3883_GPIO_MODE_I2C), diff --git a/arch/nios2/kernel/prom.c b/arch/nios2/kernel/prom.c index 367c542..3901b80 100644 --- a/arch/nios2/kernel/prom.c +++ b/arch/nios2/kernel/prom.c @@ -48,6 +48,13 @@ void * __init early_init_dt_alloc_memory_arch(u64 size, u64 align) return alloc_bootmem_align(size, align); } +int __init early_init_dt_reserve_memory_arch(phys_addr_t base, phys_addr_t size, + bool nomap) +{ + reserve_bootmem(base, size, BOOTMEM_DEFAULT); + return 0; +} + void __init early_init_devtree(void *params) { __be32 *dtb = (u32 *)__dtb_start; diff --git a/arch/nios2/kernel/setup.c b/arch/nios2/kernel/setup.c index 6e57ffa..6044d9b 100644 --- a/arch/nios2/kernel/setup.c +++ b/arch/nios2/kernel/setup.c @@ -201,6 +201,9 @@ void __init setup_arch(char **cmdline_p) } #endif /* CONFIG_BLK_DEV_INITRD */ + early_init_fdt_reserve_self(); + early_init_fdt_scan_reserved_mem(); + unflatten_and_copy_device_tree(); setup_cpuinfo(); diff --git a/arch/openrisc/include/asm/cmpxchg.h b/arch/openrisc/include/asm/cmpxchg.h index 5fcb9ac..f0a5d8b 100644 --- a/arch/openrisc/include/asm/cmpxchg.h +++ b/arch/openrisc/include/asm/cmpxchg.h @@ -77,7 +77,11 @@ static inline unsigned long __xchg(unsigned long val, volatile void *ptr, return val; } -#define xchg(ptr, with) \ - ((typeof(*(ptr)))__xchg((unsigned long)(with), (ptr), sizeof(*(ptr)))) +#define xchg(ptr, with) \ + ({ \ + (__typeof__(*(ptr))) __xchg((unsigned long)(with), \ + (ptr), \ + sizeof(*(ptr))); \ + }) #endif /* __ASM_OPENRISC_CMPXCHG_H */ diff --git a/arch/openrisc/include/asm/uaccess.h b/arch/openrisc/include/asm/uaccess.h index 140faa1..1311e6b 100644 --- a/arch/openrisc/include/asm/uaccess.h +++ b/arch/openrisc/include/asm/uaccess.h @@ -211,7 +211,7 @@ do { \ case 1: __get_user_asm(x, ptr, retval, "l.lbz"); break; \ case 2: __get_user_asm(x, ptr, retval, "l.lhz"); break; \ case 4: __get_user_asm(x, ptr, retval, "l.lwz"); break; \ - case 8: __get_user_asm2(x, ptr, retval); \ + case 8: __get_user_asm2(x, ptr, retval); break; \ default: (x) = __get_user_bad(); \ } \ } while (0) diff --git a/arch/openrisc/kernel/or32_ksyms.c b/arch/openrisc/kernel/or32_ksyms.c index 5c4695d..ee3e604 100644 --- a/arch/openrisc/kernel/or32_ksyms.c +++ b/arch/openrisc/kernel/or32_ksyms.c @@ -30,6 +30,7 @@ #include <asm/hardirq.h> #include <asm/delay.h> #include <asm/pgalloc.h> +#include <asm/pgtable.h> #define DECLARE_EXPORT(name) extern void name(void); EXPORT_SYMBOL(name) @@ -42,6 +43,9 @@ DECLARE_EXPORT(__muldi3); DECLARE_EXPORT(__ashrdi3); DECLARE_EXPORT(__ashldi3); DECLARE_EXPORT(__lshrdi3); +DECLARE_EXPORT(__ucmpdi2); +EXPORT_SYMBOL(empty_zero_page); EXPORT_SYMBOL(__copy_tofrom_user); +EXPORT_SYMBOL(__clear_user); EXPORT_SYMBOL(memset); diff --git a/arch/openrisc/kernel/process.c b/arch/openrisc/kernel/process.c index 828a291..f8da545 100644 --- a/arch/openrisc/kernel/process.c +++ b/arch/openrisc/kernel/process.c @@ -90,6 +90,7 @@ void arch_cpu_idle(void) } void (*pm_power_off) (void) = machine_power_off; +EXPORT_SYMBOL(pm_power_off); /* * When a process does an "exec", machine state like FPU and debug diff --git a/arch/parisc/include/asm/cacheflush.h b/arch/parisc/include/asm/cacheflush.h index 19c9c3c..c7e15cc 100644 --- a/arch/parisc/include/asm/cacheflush.h +++ b/arch/parisc/include/asm/cacheflush.h @@ -43,28 +43,9 @@ static inline void flush_kernel_dcache_page(struct page *page) #define flush_kernel_dcache_range(start,size) \ flush_kernel_dcache_range_asm((start), (start)+(size)); -/* vmap range flushes and invalidates. Architecturally, we don't need - * the invalidate, because the CPU should refuse to speculate once an - * area has been flushed, so invalidate is left empty */ -static inline void flush_kernel_vmap_range(void *vaddr, int size) -{ - unsigned long start = (unsigned long)vaddr; - - flush_kernel_dcache_range_asm(start, start + size); -} -static inline void invalidate_kernel_vmap_range(void *vaddr, int size) -{ - unsigned long start = (unsigned long)vaddr; - void *cursor = vaddr; - for ( ; cursor < vaddr + size; cursor += PAGE_SIZE) { - struct page *page = vmalloc_to_page(cursor); - - if (test_and_clear_bit(PG_dcache_dirty, &page->flags)) - flush_kernel_dcache_page(page); - } - flush_kernel_dcache_range_asm(start, start + size); -} +void flush_kernel_vmap_range(void *vaddr, int size); +void invalidate_kernel_vmap_range(void *vaddr, int size); #define flush_cache_vmap(start, end) flush_cache_all() #define flush_cache_vunmap(start, end) flush_cache_all() diff --git a/arch/parisc/include/asm/uaccess.h b/arch/parisc/include/asm/uaccess.h index fb4382c..8442727 100644 --- a/arch/parisc/include/asm/uaccess.h +++ b/arch/parisc/include/asm/uaccess.h @@ -32,7 +32,8 @@ * that put_user is the same as __put_user, etc. */ -#define access_ok(type, uaddr, size) (1) +#define access_ok(type, uaddr, size) \ + ( (uaddr) == (uaddr) ) #define put_user __put_user #define get_user __get_user @@ -64,6 +65,15 @@ struct exception_table_entry { ".previous\n" /* + * ASM_EXCEPTIONTABLE_ENTRY_EFAULT() creates a special exception table entry + * (with lowest bit set) for which the fault handler in fixup_exception() will + * load -EFAULT into %r8 for a read or write fault, and zeroes the target + * register in case of a read fault in get_user(). + */ +#define ASM_EXCEPTIONTABLE_ENTRY_EFAULT( fault_addr, except_addr )\ + ASM_EXCEPTIONTABLE_ENTRY( fault_addr, except_addr + 1) + +/* * The page fault handler stores, in a per-cpu area, the following information * if a fixup routine is available. */ @@ -90,7 +100,7 @@ struct exception_data { #define __get_user(x, ptr) \ ({ \ register long __gu_err __asm__ ("r8") = 0; \ - register long __gu_val __asm__ ("r9") = 0; \ + register long __gu_val; \ \ load_sr2(); \ switch (sizeof(*(ptr))) { \ @@ -106,22 +116,23 @@ struct exception_data { }) #define __get_user_asm(ldx, ptr) \ - __asm__("\n1:\t" ldx "\t0(%%sr2,%2),%0\n\t" \ - ASM_EXCEPTIONTABLE_ENTRY(1b, fixup_get_user_skip_1)\ + __asm__("1: " ldx " 0(%%sr2,%2),%0\n" \ + "9:\n" \ + ASM_EXCEPTIONTABLE_ENTRY_EFAULT(1b, 9b) \ : "=r"(__gu_val), "=r"(__gu_err) \ - : "r"(ptr), "1"(__gu_err) \ - : "r1"); + : "r"(ptr), "1"(__gu_err)); #if !defined(CONFIG_64BIT) #define __get_user_asm64(ptr) \ - __asm__("\n1:\tldw 0(%%sr2,%2),%0" \ - "\n2:\tldw 4(%%sr2,%2),%R0\n\t" \ - ASM_EXCEPTIONTABLE_ENTRY(1b, fixup_get_user_skip_2)\ - ASM_EXCEPTIONTABLE_ENTRY(2b, fixup_get_user_skip_1)\ + __asm__(" copy %%r0,%R0\n" \ + "1: ldw 0(%%sr2,%2),%0\n" \ + "2: ldw 4(%%sr2,%2),%R0\n" \ + "9:\n" \ + ASM_EXCEPTIONTABLE_ENTRY_EFAULT(1b, 9b) \ + ASM_EXCEPTIONTABLE_ENTRY_EFAULT(2b, 9b) \ : "=r"(__gu_val), "=r"(__gu_err) \ - : "r"(ptr), "1"(__gu_err) \ - : "r1"); + : "r"(ptr), "1"(__gu_err)); #endif /* !defined(CONFIG_64BIT) */ @@ -147,32 +158,31 @@ struct exception_data { * The "__put_user/kernel_asm()" macros tell gcc they read from memory * instead of writing. This is because they do not write to any memory * gcc knows about, so there are no aliasing issues. These macros must - * also be aware that "fixup_put_user_skip_[12]" are executed in the - * context of the fault, and any registers used there must be listed - * as clobbers. In this case only "r1" is used by the current routines. - * r8/r9 are already listed as err/val. + * also be aware that fixups are executed in the context of the fault, + * and any registers used there must be listed as clobbers. + * r8 is already listed as err. */ #define __put_user_asm(stx, x, ptr) \ __asm__ __volatile__ ( \ - "\n1:\t" stx "\t%2,0(%%sr2,%1)\n\t" \ - ASM_EXCEPTIONTABLE_ENTRY(1b, fixup_put_user_skip_1)\ + "1: " stx " %2,0(%%sr2,%1)\n" \ + "9:\n" \ + ASM_EXCEPTIONTABLE_ENTRY_EFAULT(1b, 9b) \ : "=r"(__pu_err) \ - : "r"(ptr), "r"(x), "0"(__pu_err) \ - : "r1") + : "r"(ptr), "r"(x), "0"(__pu_err)) #if !defined(CONFIG_64BIT) #define __put_user_asm64(__val, ptr) do { \ __asm__ __volatile__ ( \ - "\n1:\tstw %2,0(%%sr2,%1)" \ - "\n2:\tstw %R2,4(%%sr2,%1)\n\t" \ - ASM_EXCEPTIONTABLE_ENTRY(1b, fixup_put_user_skip_2)\ - ASM_EXCEPTIONTABLE_ENTRY(2b, fixup_put_user_skip_1)\ + "1: stw %2,0(%%sr2,%1)\n" \ + "2: stw %R2,4(%%sr2,%1)\n" \ + "9:\n" \ + ASM_EXCEPTIONTABLE_ENTRY_EFAULT(1b, 9b) \ + ASM_EXCEPTIONTABLE_ENTRY_EFAULT(2b, 9b) \ : "=r"(__pu_err) \ - : "r"(ptr), "r"(__val), "0"(__pu_err) \ - : "r1"); \ + : "r"(ptr), "r"(__val), "0"(__pu_err)); \ } while (0) #endif /* !defined(CONFIG_64BIT) */ diff --git a/arch/parisc/include/uapi/asm/unistd.h b/arch/parisc/include/uapi/asm/unistd.h index 6b0741e..667c994 100644 --- a/arch/parisc/include/uapi/asm/unistd.h +++ b/arch/parisc/include/uapi/asm/unistd.h @@ -362,8 +362,9 @@ #define __NR_copy_file_range (__NR_Linux + 346) #define __NR_preadv2 (__NR_Linux + 347) #define __NR_pwritev2 (__NR_Linux + 348) +#define __NR_statx (__NR_Linux + 349) -#define __NR_Linux_syscalls (__NR_pwritev2 + 1) +#define __NR_Linux_syscalls (__NR_statx + 1) #define __IGNORE_select /* newselect */ diff --git a/arch/parisc/kernel/cache.c b/arch/parisc/kernel/cache.c index 0dc72d5..c32a090 100644 --- a/arch/parisc/kernel/cache.c +++ b/arch/parisc/kernel/cache.c @@ -616,3 +616,25 @@ flush_cache_page(struct vm_area_struct *vma, unsigned long vmaddr, unsigned long __flush_cache_page(vma, vmaddr, PFN_PHYS(pfn)); } } + +void flush_kernel_vmap_range(void *vaddr, int size) +{ + unsigned long start = (unsigned long)vaddr; + + if ((unsigned long)size > parisc_cache_flush_threshold) + flush_data_cache(); + else + flush_kernel_dcache_range_asm(start, start + size); +} +EXPORT_SYMBOL(flush_kernel_vmap_range); + +void invalidate_kernel_vmap_range(void *vaddr, int size) +{ + unsigned long start = (unsigned long)vaddr; + + if ((unsigned long)size > parisc_cache_flush_threshold) + flush_data_cache(); + else + flush_kernel_dcache_range_asm(start, start + size); +} +EXPORT_SYMBOL(invalidate_kernel_vmap_range); diff --git a/arch/parisc/kernel/module.c b/arch/parisc/kernel/module.c index a0ecdb4..c66c943 100644 --- a/arch/parisc/kernel/module.c +++ b/arch/parisc/kernel/module.c @@ -620,6 +620,10 @@ int apply_relocate_add(Elf_Shdr *sechdrs, */ *loc = fsel(val, addend); break; + case R_PARISC_SECREL32: + /* 32-bit section relative address. */ + *loc = fsel(val, addend); + break; case R_PARISC_DPREL21L: /* left 21 bit of relative address */ val = lrsel(val - dp, addend); @@ -807,6 +811,10 @@ int apply_relocate_add(Elf_Shdr *sechdrs, */ *loc = fsel(val, addend); break; + case R_PARISC_SECREL32: + /* 32-bit section relative address. */ + *loc = fsel(val, addend); + break; case R_PARISC_FPTR64: /* 64-bit function address */ if(in_local(me, (void *)(val + addend))) { diff --git a/arch/parisc/kernel/parisc_ksyms.c b/arch/parisc/kernel/parisc_ksyms.c index 7484b3d..c6d6272 100644 --- a/arch/parisc/kernel/parisc_ksyms.c +++ b/arch/parisc/kernel/parisc_ksyms.c @@ -47,16 +47,6 @@ EXPORT_SYMBOL(__cmpxchg_u64); EXPORT_SYMBOL(lclear_user); EXPORT_SYMBOL(lstrnlen_user); -/* Global fixups - defined as int to avoid creation of function pointers */ -extern int fixup_get_user_skip_1; -extern int fixup_get_user_skip_2; -extern int fixup_put_user_skip_1; -extern int fixup_put_user_skip_2; -EXPORT_SYMBOL(fixup_get_user_skip_1); -EXPORT_SYMBOL(fixup_get_user_skip_2); -EXPORT_SYMBOL(fixup_put_user_skip_1); -EXPORT_SYMBOL(fixup_put_user_skip_2); - #ifndef CONFIG_64BIT /* Needed so insmod can set dp value */ extern int $global$; diff --git a/arch/parisc/kernel/perf.c b/arch/parisc/kernel/perf.c index e282a51..6017a5a 100644 --- a/arch/parisc/kernel/perf.c +++ b/arch/parisc/kernel/perf.c @@ -39,7 +39,7 @@ * the PDC INTRIGUE calls. This is done to eliminate bugs introduced * in various PDC revisions. The code is much more maintainable * and reliable this way vs having to debug on every version of PDC - * on every box. + * on every box. */ #include <linux/capability.h> @@ -195,8 +195,8 @@ static int perf_config(uint32_t *image_ptr); static int perf_release(struct inode *inode, struct file *file); static int perf_open(struct inode *inode, struct file *file); static ssize_t perf_read(struct file *file, char __user *buf, size_t cnt, loff_t *ppos); -static ssize_t perf_write(struct file *file, const char __user *buf, size_t count, - loff_t *ppos); +static ssize_t perf_write(struct file *file, const char __user *buf, + size_t count, loff_t *ppos); static long perf_ioctl(struct file *file, unsigned int cmd, unsigned long arg); static void perf_start_counters(void); static int perf_stop_counters(uint32_t *raddr); @@ -222,7 +222,7 @@ extern void perf_intrigue_disable_perf_counters (void); /* * configure: * - * Configure the cpu with a given data image. First turn off the counters, + * Configure the cpu with a given data image. First turn off the counters, * then download the image, then turn the counters back on. */ static int perf_config(uint32_t *image_ptr) @@ -234,7 +234,7 @@ static int perf_config(uint32_t *image_ptr) error = perf_stop_counters(raddr); if (error != 0) { printk("perf_config: perf_stop_counters = %ld\n", error); - return -EINVAL; + return -EINVAL; } printk("Preparing to write image\n"); @@ -242,7 +242,7 @@ printk("Preparing to write image\n"); error = perf_write_image((uint64_t *)image_ptr); if (error != 0) { printk("perf_config: DOWNLOAD = %ld\n", error); - return -EINVAL; + return -EINVAL; } printk("Preparing to start counters\n"); @@ -254,7 +254,7 @@ printk("Preparing to start counters\n"); } /* - * Open the device and initialize all of its memory. The device is only + * Open the device and initialize all of its memory. The device is only * opened once, but can be "queried" by multiple processes that know its * file descriptor. */ @@ -298,19 +298,19 @@ static ssize_t perf_read(struct file *file, char __user *buf, size_t cnt, loff_t * called on the processor that the download should happen * on. */ -static ssize_t perf_write(struct file *file, const char __user *buf, size_t count, - loff_t *ppos) +static ssize_t perf_write(struct file *file, const char __user *buf, + size_t count, loff_t *ppos) { size_t image_size; uint32_t image_type; uint32_t interface_type; uint32_t test; - if (perf_processor_interface == ONYX_INTF) + if (perf_processor_interface == ONYX_INTF) image_size = PCXU_IMAGE_SIZE; - else if (perf_processor_interface == CUDA_INTF) + else if (perf_processor_interface == CUDA_INTF) image_size = PCXW_IMAGE_SIZE; - else + else return -EFAULT; if (!capable(CAP_SYS_ADMIN)) @@ -330,22 +330,22 @@ static ssize_t perf_write(struct file *file, const char __user *buf, size_t coun /* First check the machine type is correct for the requested image */ - if (((perf_processor_interface == CUDA_INTF) && - (interface_type != CUDA_INTF)) || - ((perf_processor_interface == ONYX_INTF) && - (interface_type != ONYX_INTF))) + if (((perf_processor_interface == CUDA_INTF) && + (interface_type != CUDA_INTF)) || + ((perf_processor_interface == ONYX_INTF) && + (interface_type != ONYX_INTF))) return -EINVAL; /* Next check to make sure the requested image is valid */ - if (((interface_type == CUDA_INTF) && + if (((interface_type == CUDA_INTF) && (test >= MAX_CUDA_IMAGES)) || - ((interface_type == ONYX_INTF) && - (test >= MAX_ONYX_IMAGES))) + ((interface_type == ONYX_INTF) && + (test >= MAX_ONYX_IMAGES))) return -EINVAL; /* Copy the image into the processor */ - if (interface_type == CUDA_INTF) + if (interface_type == CUDA_INTF) return perf_config(cuda_images[test]); else return perf_config(onyx_images[test]); @@ -359,7 +359,7 @@ static ssize_t perf_write(struct file *file, const char __user *buf, size_t coun static void perf_patch_images(void) { #if 0 /* FIXME!! */ -/* +/* * NOTE: this routine is VERY specific to the current TLB image. * If the image is changed, this routine might also need to be changed. */ @@ -367,9 +367,9 @@ static void perf_patch_images(void) extern void $i_dtlb_miss_2_0(); extern void PA2_0_iva(); - /* + /* * We can only use the lower 32-bits, the upper 32-bits should be 0 - * anyway given this is in the kernel + * anyway given this is in the kernel */ uint32_t itlb_addr = (uint32_t)&($i_itlb_miss_2_0); uint32_t dtlb_addr = (uint32_t)&($i_dtlb_miss_2_0); @@ -377,21 +377,21 @@ static void perf_patch_images(void) if (perf_processor_interface == ONYX_INTF) { /* clear last 2 bytes */ - onyx_images[TLBMISS][15] &= 0xffffff00; + onyx_images[TLBMISS][15] &= 0xffffff00; /* set 2 bytes */ onyx_images[TLBMISS][15] |= (0x000000ff&((dtlb_addr) >> 24)); onyx_images[TLBMISS][16] = (dtlb_addr << 8)&0xffffff00; onyx_images[TLBMISS][17] = itlb_addr; /* clear last 2 bytes */ - onyx_images[TLBHANDMISS][15] &= 0xffffff00; + onyx_images[TLBHANDMISS][15] &= 0xffffff00; /* set 2 bytes */ onyx_images[TLBHANDMISS][15] |= (0x000000ff&((dtlb_addr) >> 24)); onyx_images[TLBHANDMISS][16] = (dtlb_addr << 8)&0xffffff00; onyx_images[TLBHANDMISS][17] = itlb_addr; /* clear last 2 bytes */ - onyx_images[BIG_CPI][15] &= 0xffffff00; + onyx_images[BIG_CPI][15] &= 0xffffff00; /* set 2 bytes */ onyx_images[BIG_CPI][15] |= (0x000000ff&((dtlb_addr) >> 24)); onyx_images[BIG_CPI][16] = (dtlb_addr << 8)&0xffffff00; @@ -404,24 +404,24 @@ static void perf_patch_images(void) } else if (perf_processor_interface == CUDA_INTF) { /* Cuda interface */ - cuda_images[TLBMISS][16] = + cuda_images[TLBMISS][16] = (cuda_images[TLBMISS][16]&0xffff0000) | ((dtlb_addr >> 8)&0x0000ffff); - cuda_images[TLBMISS][17] = + cuda_images[TLBMISS][17] = ((dtlb_addr << 24)&0xff000000) | ((itlb_addr >> 16)&0x000000ff); cuda_images[TLBMISS][18] = (itlb_addr << 16)&0xffff0000; - cuda_images[TLBHANDMISS][16] = + cuda_images[TLBHANDMISS][16] = (cuda_images[TLBHANDMISS][16]&0xffff0000) | ((dtlb_addr >> 8)&0x0000ffff); - cuda_images[TLBHANDMISS][17] = + cuda_images[TLBHANDMISS][17] = ((dtlb_addr << 24)&0xff000000) | ((itlb_addr >> 16)&0x000000ff); cuda_images[TLBHANDMISS][18] = (itlb_addr << 16)&0xffff0000; - cuda_images[BIG_CPI][16] = + cuda_images[BIG_CPI][16] = (cuda_images[BIG_CPI][16]&0xffff0000) | ((dtlb_addr >> 8)&0x0000ffff); - cuda_images[BIG_CPI][17] = + cuda_images[BIG_CPI][17] = ((dtlb_addr << 24)&0xff000000) | ((itlb_addr >> 16)&0x000000ff); cuda_images[BIG_CPI][18] = (itlb_addr << 16)&0xffff0000; } else { @@ -433,7 +433,7 @@ static void perf_patch_images(void) /* * ioctl routine - * All routines effect the processor that they are executed on. Thus you + * All routines effect the processor that they are executed on. Thus you * must be running on the processor that you wish to change. */ @@ -459,7 +459,7 @@ static long perf_ioctl(struct file *file, unsigned int cmd, unsigned long arg) } /* copy out the Counters */ - if (copy_to_user((void __user *)arg, raddr, + if (copy_to_user((void __user *)arg, raddr, sizeof (raddr)) != 0) { error = -EFAULT; break; @@ -487,7 +487,7 @@ static const struct file_operations perf_fops = { .open = perf_open, .release = perf_release }; - + static struct miscdevice perf_dev = { MISC_DYNAMIC_MINOR, PA_PERF_DEV, @@ -595,7 +595,7 @@ static int perf_stop_counters(uint32_t *raddr) /* OR sticky2 (bit 1496) to counter2 bit 32 */ tmp64 |= (userbuf[23] >> 8) & 0x0000000080000000; raddr[2] = (uint32_t)tmp64; - + /* Counter3 is bits 1497 to 1528 */ tmp64 = (userbuf[23] >> 7) & 0x00000000ffffffff; /* OR sticky3 (bit 1529) to counter3 bit 32 */ @@ -617,7 +617,7 @@ static int perf_stop_counters(uint32_t *raddr) userbuf[22] = 0; userbuf[23] = 0; - /* + /* * Write back the zeroed bytes + the image given * the read was destructive. */ @@ -625,13 +625,13 @@ static int perf_stop_counters(uint32_t *raddr) } else { /* - * Read RDR-15 which contains the counters and sticky bits + * Read RDR-15 which contains the counters and sticky bits */ if (!perf_rdr_read_ubuf(15, userbuf)) { return -13; } - /* + /* * Clear out the counters */ perf_rdr_clear(15); @@ -644,7 +644,7 @@ static int perf_stop_counters(uint32_t *raddr) raddr[2] = (uint32_t)((userbuf[1] >> 32) & 0x00000000ffffffffUL); raddr[3] = (uint32_t)(userbuf[1] & 0x00000000ffffffffUL); } - + return 0; } @@ -682,7 +682,7 @@ static int perf_rdr_read_ubuf(uint32_t rdr_num, uint64_t *buffer) i = tentry->num_words; while (i--) { buffer[i] = 0; - } + } /* Check for bits an even number of 64 */ if ((xbits = width & 0x03f) != 0) { @@ -808,18 +808,22 @@ static int perf_write_image(uint64_t *memaddr) } runway = ioremap_nocache(cpu_device->hpa.start, 4096); + if (!runway) { + pr_err("perf_write_image: ioremap failed!\n"); + return -ENOMEM; + } /* Merge intrigue bits into Runway STATUS 0 */ tmp64 = __raw_readq(runway + RUNWAY_STATUS) & 0xffecfffffffffffful; - __raw_writeq(tmp64 | (*memaddr++ & 0x0013000000000000ul), + __raw_writeq(tmp64 | (*memaddr++ & 0x0013000000000000ul), runway + RUNWAY_STATUS); - + /* Write RUNWAY DEBUG registers */ for (i = 0; i < 8; i++) { __raw_writeq(*memaddr++, runway + RUNWAY_DEBUG); } - return 0; + return 0; } /* @@ -843,7 +847,7 @@ printk("perf_rdr_write\n"); perf_rdr_shift_out_U(rdr_num, buffer[i]); } else { perf_rdr_shift_out_W(rdr_num, buffer[i]); - } + } } printk("perf_rdr_write done\n"); } diff --git a/arch/parisc/kernel/process.c b/arch/parisc/kernel/process.c index 06f7ca7..4516a5b 100644 --- a/arch/parisc/kernel/process.c +++ b/arch/parisc/kernel/process.c @@ -142,6 +142,10 @@ void machine_power_off(void) printk(KERN_EMERG "System shut down completed.\n" "Please power this system off now."); + + /* prevent soft lockup/stalled CPU messages for endless loop. */ + rcu_sysrq_start(); + for (;;); } void (*pm_power_off)(void) = machine_power_off; diff --git a/arch/parisc/kernel/syscall_table.S b/arch/parisc/kernel/syscall_table.S index 3cfef1d..44aeaa9 100644 --- a/arch/parisc/kernel/syscall_table.S +++ b/arch/parisc/kernel/syscall_table.S @@ -444,6 +444,7 @@ ENTRY_SAME(copy_file_range) ENTRY_COMP(preadv2) ENTRY_COMP(pwritev2) + ENTRY_SAME(statx) .ifne (. - 90b) - (__NR_Linux_syscalls * (91b - 90b)) diff --git a/arch/parisc/lib/Makefile b/arch/parisc/lib/Makefile index 8fa92b8..f2dac4d 100644 --- a/arch/parisc/lib/Makefile +++ b/arch/parisc/lib/Makefile @@ -2,7 +2,7 @@ # Makefile for parisc-specific library files # -lib-y := lusercopy.o bitops.o checksum.o io.o memset.o fixup.o memcpy.o \ +lib-y := lusercopy.o bitops.o checksum.o io.o memset.o memcpy.o \ ucmpdi2.o delay.o obj-y := iomap.o diff --git a/arch/parisc/lib/fixup.S b/arch/parisc/lib/fixup.S deleted file mode 100644 index a5b72f2..0000000 --- a/arch/parisc/lib/fixup.S +++ /dev/null @@ -1,98 +0,0 @@ -/* - * Linux/PA-RISC Project (http://www.parisc-linux.org/) - * - * Copyright (C) 2004 Randolph Chung <tausq@debian.org> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2, or (at your option) - * any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - * - * Fixup routines for kernel exception handling. - */ -#include <asm/asm-offsets.h> -#include <asm/assembly.h> -#include <asm/errno.h> -#include <linux/linkage.h> - -#ifdef CONFIG_SMP - .macro get_fault_ip t1 t2 - loadgp - addil LT%__per_cpu_offset,%r27 - LDREG RT%__per_cpu_offset(%r1),\t1 - /* t2 = smp_processor_id() */ - mfctl 30,\t2 - ldw TI_CPU(\t2),\t2 -#ifdef CONFIG_64BIT - extrd,u \t2,63,32,\t2 -#endif - /* t2 = &__per_cpu_offset[smp_processor_id()]; */ - LDREGX \t2(\t1),\t2 - addil LT%exception_data,%r27 - LDREG RT%exception_data(%r1),\t1 - /* t1 = this_cpu_ptr(&exception_data) */ - add,l \t1,\t2,\t1 - /* %r27 = t1->fault_gp - restore gp */ - LDREG EXCDATA_GP(\t1), %r27 - /* t1 = t1->fault_ip */ - LDREG EXCDATA_IP(\t1), \t1 - .endm -#else - .macro get_fault_ip t1 t2 - loadgp - /* t1 = this_cpu_ptr(&exception_data) */ - addil LT%exception_data,%r27 - LDREG RT%exception_data(%r1),\t2 - /* %r27 = t2->fault_gp - restore gp */ - LDREG EXCDATA_GP(\t2), %r27 - /* t1 = t2->fault_ip */ - LDREG EXCDATA_IP(\t2), \t1 - .endm -#endif - - .level LEVEL - - .text - .section .fixup, "ax" - - /* get_user() fixups, store -EFAULT in r8, and 0 in r9 */ -ENTRY_CFI(fixup_get_user_skip_1) - get_fault_ip %r1,%r8 - ldo 4(%r1), %r1 - ldi -EFAULT, %r8 - bv %r0(%r1) - copy %r0, %r9 -ENDPROC_CFI(fixup_get_user_skip_1) - -ENTRY_CFI(fixup_get_user_skip_2) - get_fault_ip %r1,%r8 - ldo 8(%r1), %r1 - ldi -EFAULT, %r8 - bv %r0(%r1) - copy %r0, %r9 -ENDPROC_CFI(fixup_get_user_skip_2) - - /* put_user() fixups, store -EFAULT in r8 */ -ENTRY_CFI(fixup_put_user_skip_1) - get_fault_ip %r1,%r8 - ldo 4(%r1), %r1 - bv %r0(%r1) - ldi -EFAULT, %r8 -ENDPROC_CFI(fixup_put_user_skip_1) - -ENTRY_CFI(fixup_put_user_skip_2) - get_fault_ip %r1,%r8 - ldo 8(%r1), %r1 - bv %r0(%r1) - ldi -EFAULT, %r8 -ENDPROC_CFI(fixup_put_user_skip_2) - diff --git a/arch/parisc/lib/lusercopy.S b/arch/parisc/lib/lusercopy.S index 56845de..85c28bb 100644 --- a/arch/parisc/lib/lusercopy.S +++ b/arch/parisc/lib/lusercopy.S @@ -5,6 +5,8 @@ * Copyright (C) 2000 Richard Hirst <rhirst with parisc-linux.org> * Copyright (C) 2001 Matthieu Delahaye <delahaym at esiee.fr> * Copyright (C) 2003 Randolph Chung <tausq with parisc-linux.org> + * Copyright (C) 2017 Helge Deller <deller@gmx.de> + * Copyright (C) 2017 John David Anglin <dave.anglin@bell.net> * * * This program is free software; you can redistribute it and/or modify @@ -132,4 +134,321 @@ ENDPROC_CFI(lstrnlen_user) .procend + + +/* + * unsigned long pa_memcpy(void *dstp, const void *srcp, unsigned long len) + * + * Inputs: + * - sr1 already contains space of source region + * - sr2 already contains space of destination region + * + * Returns: + * - number of bytes that could not be copied. + * On success, this will be zero. + * + * This code is based on a C-implementation of a copy routine written by + * Randolph Chung, which in turn was derived from the glibc. + * + * Several strategies are tried to try to get the best performance for various + * conditions. In the optimal case, we copy by loops that copy 32- or 16-bytes + * at a time using general registers. Unaligned copies are handled either by + * aligning the destination and then using shift-and-write method, or in a few + * cases by falling back to a byte-at-a-time copy. + * + * Testing with various alignments and buffer sizes shows that this code is + * often >10x faster than a simple byte-at-a-time copy, even for strangely + * aligned operands. It is interesting to note that the glibc version of memcpy + * (written in C) is actually quite fast already. This routine is able to beat + * it by 30-40% for aligned copies because of the loop unrolling, but in some + * cases the glibc version is still slightly faster. This lends more + * credibility that gcc can generate very good code as long as we are careful. + * + * Possible optimizations: + * - add cache prefetching + * - try not to use the post-increment address modifiers; they may create + * additional interlocks. Assumption is that those were only efficient on old + * machines (pre PA8000 processors) + */ + + dst = arg0 + src = arg1 + len = arg2 + end = arg3 + t1 = r19 + t2 = r20 + t3 = r21 + t4 = r22 + srcspc = sr1 + dstspc = sr2 + + t0 = r1 + a1 = t1 + a2 = t2 + a3 = t3 + a0 = t4 + + save_src = ret0 + save_dst = ret1 + save_len = r31 + +ENTRY_CFI(pa_memcpy) + .proc + .callinfo NO_CALLS + .entry + + /* Last destination address */ + add dst,len,end + + /* short copy with less than 16 bytes? */ + cmpib,COND(>>=),n 15,len,.Lbyte_loop + + /* same alignment? */ + xor src,dst,t0 + extru t0,31,2,t1 + cmpib,<>,n 0,t1,.Lunaligned_copy + +#ifdef CONFIG_64BIT + /* only do 64-bit copies if we can get aligned. */ + extru t0,31,3,t1 + cmpib,<>,n 0,t1,.Lalign_loop32 + + /* loop until we are 64-bit aligned */ +.Lalign_loop64: + extru dst,31,3,t1 + cmpib,=,n 0,t1,.Lcopy_loop_16_start +20: ldb,ma 1(srcspc,src),t1 +21: stb,ma t1,1(dstspc,dst) + b .Lalign_loop64 + ldo -1(len),len + + ASM_EXCEPTIONTABLE_ENTRY(20b,.Lcopy_done) + ASM_EXCEPTIONTABLE_ENTRY(21b,.Lcopy_done) + +.Lcopy_loop_16_start: + ldi 31,t0 +.Lcopy_loop_16: + cmpb,COND(>>=),n t0,len,.Lword_loop + +10: ldd 0(srcspc,src),t1 +11: ldd 8(srcspc,src),t2 + ldo 16(src),src +12: std,ma t1,8(dstspc,dst) +13: std,ma t2,8(dstspc,dst) +14: ldd 0(srcspc,src),t1 +15: ldd 8(srcspc,src),t2 + ldo 16(src),src +16: std,ma t1,8(dstspc,dst) +17: std,ma t2,8(dstspc,dst) + + ASM_EXCEPTIONTABLE_ENTRY(10b,.Lcopy_done) + ASM_EXCEPTIONTABLE_ENTRY(11b,.Lcopy16_fault) + ASM_EXCEPTIONTABLE_ENTRY(12b,.Lcopy_done) + ASM_EXCEPTIONTABLE_ENTRY(13b,.Lcopy_done) + ASM_EXCEPTIONTABLE_ENTRY(14b,.Lcopy_done) + ASM_EXCEPTIONTABLE_ENTRY(15b,.Lcopy16_fault) + ASM_EXCEPTIONTABLE_ENTRY(16b,.Lcopy_done) + ASM_EXCEPTIONTABLE_ENTRY(17b,.Lcopy_done) + + b .Lcopy_loop_16 + ldo -32(len),len + +.Lword_loop: + cmpib,COND(>>=),n 3,len,.Lbyte_loop +20: ldw,ma 4(srcspc,src),t1 +21: stw,ma t1,4(dstspc,dst) + b .Lword_loop + ldo -4(len),len + + ASM_EXCEPTIONTABLE_ENTRY(20b,.Lcopy_done) + ASM_EXCEPTIONTABLE_ENTRY(21b,.Lcopy_done) + +#endif /* CONFIG_64BIT */ + + /* loop until we are 32-bit aligned */ +.Lalign_loop32: + extru dst,31,2,t1 + cmpib,=,n 0,t1,.Lcopy_loop_8 +20: ldb,ma 1(srcspc,src),t1 +21: stb,ma t1,1(dstspc,dst) + b .Lalign_loop32 + ldo -1(len),len + + ASM_EXCEPTIONTABLE_ENTRY(20b,.Lcopy_done) + ASM_EXCEPTIONTABLE_ENTRY(21b,.Lcopy_done) + + +.Lcopy_loop_8: + cmpib,COND(>>=),n 15,len,.Lbyte_loop + +10: ldw 0(srcspc,src),t1 +11: ldw 4(srcspc,src),t2 +12: stw,ma t1,4(dstspc,dst) +13: stw,ma t2,4(dstspc,dst) +14: ldw 8(srcspc,src),t1 +15: ldw 12(srcspc,src),t2 + ldo 16(src),src +16: stw,ma t1,4(dstspc,dst) +17: stw,ma t2,4(dstspc,dst) + + ASM_EXCEPTIONTABLE_ENTRY(10b,.Lcopy_done) + ASM_EXCEPTIONTABLE_ENTRY(11b,.Lcopy8_fault) + ASM_EXCEPTIONTABLE_ENTRY(12b,.Lcopy_done) + ASM_EXCEPTIONTABLE_ENTRY(13b,.Lcopy_done) + ASM_EXCEPTIONTABLE_ENTRY(14b,.Lcopy_done) + ASM_EXCEPTIONTABLE_ENTRY(15b,.Lcopy8_fault) + ASM_EXCEPTIONTABLE_ENTRY(16b,.Lcopy_done) + ASM_EXCEPTIONTABLE_ENTRY(17b,.Lcopy_done) + + b .Lcopy_loop_8 + ldo -16(len),len + +.Lbyte_loop: + cmpclr,COND(<>) len,%r0,%r0 + b,n .Lcopy_done +20: ldb 0(srcspc,src),t1 + ldo 1(src),src +21: stb,ma t1,1(dstspc,dst) + b .Lbyte_loop + ldo -1(len),len + + ASM_EXCEPTIONTABLE_ENTRY(20b,.Lcopy_done) + ASM_EXCEPTIONTABLE_ENTRY(21b,.Lcopy_done) + +.Lcopy_done: + bv %r0(%r2) + sub end,dst,ret0 + + + /* src and dst are not aligned the same way. */ + /* need to go the hard way */ +.Lunaligned_copy: + /* align until dst is 32bit-word-aligned */ + extru dst,31,2,t1 + cmpib,=,n 0,t1,.Lcopy_dstaligned +20: ldb 0(srcspc,src),t1 + ldo 1(src),src +21: stb,ma t1,1(dstspc,dst) + b .Lunaligned_copy + ldo -1(len),len + + ASM_EXCEPTIONTABLE_ENTRY(20b,.Lcopy_done) + ASM_EXCEPTIONTABLE_ENTRY(21b,.Lcopy_done) + +.Lcopy_dstaligned: + + /* store src, dst and len in safe place */ + copy src,save_src + copy dst,save_dst + copy len,save_len + + /* len now needs give number of words to copy */ + SHRREG len,2,len + + /* + * Copy from a not-aligned src to an aligned dst using shifts. + * Handles 4 words per loop. + */ + + depw,z src,28,2,t0 + subi 32,t0,t0 + mtsar t0 + extru len,31,2,t0 + cmpib,= 2,t0,.Lcase2 + /* Make src aligned by rounding it down. */ + depi 0,31,2,src + + cmpiclr,<> 3,t0,%r0 + b,n .Lcase3 + cmpiclr,<> 1,t0,%r0 + b,n .Lcase1 +.Lcase0: + cmpb,COND(=) %r0,len,.Lcda_finish + nop + +1: ldw,ma 4(srcspc,src), a3 + ASM_EXCEPTIONTABLE_ENTRY(1b,.Lcda_rdfault) +1: ldw,ma 4(srcspc,src), a0 + ASM_EXCEPTIONTABLE_ENTRY(1b,.Lcda_rdfault) + b,n .Ldo3 +.Lcase1: +1: ldw,ma 4(srcspc,src), a2 + ASM_EXCEPTIONTABLE_ENTRY(1b,.Lcda_rdfault) +1: ldw,ma 4(srcspc,src), a3 + ASM_EXCEPTIONTABLE_ENTRY(1b,.Lcda_rdfault) + ldo -1(len),len + cmpb,COND(=),n %r0,len,.Ldo0 +.Ldo4: +1: ldw,ma 4(srcspc,src), a0 + ASM_EXCEPTIONTABLE_ENTRY(1b,.Lcda_rdfault) + shrpw a2, a3, %sar, t0 +1: stw,ma t0, 4(dstspc,dst) + ASM_EXCEPTIONTABLE_ENTRY(1b,.Lcopy_done) +.Ldo3: +1: ldw,ma 4(srcspc,src), a1 + ASM_EXCEPTIONTABLE_ENTRY(1b,.Lcda_rdfault) + shrpw a3, a0, %sar, t0 +1: stw,ma t0, 4(dstspc,dst) + ASM_EXCEPTIONTABLE_ENTRY(1b,.Lcopy_done) +.Ldo2: +1: ldw,ma 4(srcspc,src), a2 + ASM_EXCEPTIONTABLE_ENTRY(1b,.Lcda_rdfault) + shrpw a0, a1, %sar, t0 +1: stw,ma t0, 4(dstspc,dst) + ASM_EXCEPTIONTABLE_ENTRY(1b,.Lcopy_done) +.Ldo1: +1: ldw,ma 4(srcspc,src), a3 + ASM_EXCEPTIONTABLE_ENTRY(1b,.Lcda_rdfault) + shrpw a1, a2, %sar, t0 +1: stw,ma t0, 4(dstspc,dst) + ASM_EXCEPTIONTABLE_ENTRY(1b,.Lcopy_done) + ldo -4(len),len + cmpb,COND(<>) %r0,len,.Ldo4 + nop +.Ldo0: + shrpw a2, a3, %sar, t0 +1: stw,ma t0, 4(dstspc,dst) + ASM_EXCEPTIONTABLE_ENTRY(1b,.Lcopy_done) + +.Lcda_rdfault: +.Lcda_finish: + /* calculate new src, dst and len and jump to byte-copy loop */ + sub dst,save_dst,t0 + add save_src,t0,src + b .Lbyte_loop + sub save_len,t0,len + +.Lcase3: +1: ldw,ma 4(srcspc,src), a0 + ASM_EXCEPTIONTABLE_ENTRY(1b,.Lcda_rdfault) +1: ldw,ma 4(srcspc,src), a1 + ASM_EXCEPTIONTABLE_ENTRY(1b,.Lcda_rdfault) + b .Ldo2 + ldo 1(len),len +.Lcase2: +1: ldw,ma 4(srcspc,src), a1 + ASM_EXCEPTIONTABLE_ENTRY(1b,.Lcda_rdfault) +1: ldw,ma 4(srcspc,src), a2 + ASM_EXCEPTIONTABLE_ENTRY(1b,.Lcda_rdfault) + b .Ldo1 + ldo 2(len),len + + + /* fault exception fixup handlers: */ +#ifdef CONFIG_64BIT +.Lcopy16_fault: + b .Lcopy_done +10: std,ma t1,8(dstspc,dst) + ASM_EXCEPTIONTABLE_ENTRY(10b,.Lcopy_done) +#endif + +.Lcopy8_fault: + b .Lcopy_done +10: stw,ma t1,4(dstspc,dst) + ASM_EXCEPTIONTABLE_ENTRY(10b,.Lcopy_done) + + .exit +ENDPROC_CFI(pa_memcpy) + .procend + .end diff --git a/arch/parisc/lib/memcpy.c b/arch/parisc/lib/memcpy.c index f82ff10..b3d47ec 100644 --- a/arch/parisc/lib/memcpy.c +++ b/arch/parisc/lib/memcpy.c @@ -2,7 +2,7 @@ * Optimized memory copy routines. * * Copyright (C) 2004 Randolph Chung <tausq@debian.org> - * Copyright (C) 2013 Helge Deller <deller@gmx.de> + * Copyright (C) 2013-2017 Helge Deller <deller@gmx.de> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -21,474 +21,21 @@ * Portions derived from the GNU C Library * Copyright (C) 1991, 1997, 2003 Free Software Foundation, Inc. * - * Several strategies are tried to try to get the best performance for various - * conditions. In the optimal case, we copy 64-bytes in an unrolled loop using - * fp regs. This is followed by loops that copy 32- or 16-bytes at a time using - * general registers. Unaligned copies are handled either by aligning the - * destination and then using shift-and-write method, or in a few cases by - * falling back to a byte-at-a-time copy. - * - * I chose to implement this in C because it is easier to maintain and debug, - * and in my experiments it appears that the C code generated by gcc (3.3/3.4 - * at the time of writing) is fairly optimal. Unfortunately some of the - * semantics of the copy routine (exception handling) is difficult to express - * in C, so we have to play some tricks to get it to work. - * - * All the loads and stores are done via explicit asm() code in order to use - * the right space registers. - * - * Testing with various alignments and buffer sizes shows that this code is - * often >10x faster than a simple byte-at-a-time copy, even for strangely - * aligned operands. It is interesting to note that the glibc version - * of memcpy (written in C) is actually quite fast already. This routine is - * able to beat it by 30-40% for aligned copies because of the loop unrolling, - * but in some cases the glibc version is still slightly faster. This lends - * more credibility that gcc can generate very good code as long as we are - * careful. - * - * TODO: - * - cache prefetching needs more experimentation to get optimal settings - * - try not to use the post-increment address modifiers; they create additional - * interlocks - * - replace byte-copy loops with stybs sequences */ -#ifdef __KERNEL__ #include <linux/module.h> #include <linux/compiler.h> #include <linux/uaccess.h> -#define s_space "%%sr1" -#define d_space "%%sr2" -#else -#include "memcpy.h" -#define s_space "%%sr0" -#define d_space "%%sr0" -#define pa_memcpy new2_copy -#endif DECLARE_PER_CPU(struct exception_data, exception_data); -#define preserve_branch(label) do { \ - volatile int dummy = 0; \ - /* The following branch is never taken, it's just here to */ \ - /* prevent gcc from optimizing away our exception code. */ \ - if (unlikely(dummy != dummy)) \ - goto label; \ -} while (0) - #define get_user_space() (segment_eq(get_fs(), KERNEL_DS) ? 0 : mfsp(3)) #define get_kernel_space() (0) -#define MERGE(w0, sh_1, w1, sh_2) ({ \ - unsigned int _r; \ - asm volatile ( \ - "mtsar %3\n" \ - "shrpw %1, %2, %%sar, %0\n" \ - : "=r"(_r) \ - : "r"(w0), "r"(w1), "r"(sh_2) \ - ); \ - _r; \ -}) -#define THRESHOLD 16 - -#ifdef DEBUG_MEMCPY -#define DPRINTF(fmt, args...) do { printk(KERN_DEBUG "%s:%d:%s ", __FILE__, __LINE__, __func__ ); printk(KERN_DEBUG fmt, ##args ); } while (0) -#else -#define DPRINTF(fmt, args...) -#endif - -#define def_load_ai_insn(_insn,_sz,_tt,_s,_a,_t,_e) \ - __asm__ __volatile__ ( \ - "1:\t" #_insn ",ma " #_sz "(" _s ",%1), %0\n\t" \ - ASM_EXCEPTIONTABLE_ENTRY(1b,_e) \ - : _tt(_t), "+r"(_a) \ - : \ - : "r8") - -#define def_store_ai_insn(_insn,_sz,_tt,_s,_a,_t,_e) \ - __asm__ __volatile__ ( \ - "1:\t" #_insn ",ma %1, " #_sz "(" _s ",%0)\n\t" \ - ASM_EXCEPTIONTABLE_ENTRY(1b,_e) \ - : "+r"(_a) \ - : _tt(_t) \ - : "r8") - -#define ldbma(_s, _a, _t, _e) def_load_ai_insn(ldbs,1,"=r",_s,_a,_t,_e) -#define stbma(_s, _t, _a, _e) def_store_ai_insn(stbs,1,"r",_s,_a,_t,_e) -#define ldwma(_s, _a, _t, _e) def_load_ai_insn(ldw,4,"=r",_s,_a,_t,_e) -#define stwma(_s, _t, _a, _e) def_store_ai_insn(stw,4,"r",_s,_a,_t,_e) -#define flddma(_s, _a, _t, _e) def_load_ai_insn(fldd,8,"=f",_s,_a,_t,_e) -#define fstdma(_s, _t, _a, _e) def_store_ai_insn(fstd,8,"f",_s,_a,_t,_e) - -#define def_load_insn(_insn,_tt,_s,_o,_a,_t,_e) \ - __asm__ __volatile__ ( \ - "1:\t" #_insn " " #_o "(" _s ",%1), %0\n\t" \ - ASM_EXCEPTIONTABLE_ENTRY(1b,_e) \ - : _tt(_t) \ - : "r"(_a) \ - : "r8") - -#define def_store_insn(_insn,_tt,_s,_t,_o,_a,_e) \ - __asm__ __volatile__ ( \ - "1:\t" #_insn " %0, " #_o "(" _s ",%1)\n\t" \ - ASM_EXCEPTIONTABLE_ENTRY(1b,_e) \ - : \ - : _tt(_t), "r"(_a) \ - : "r8") - -#define ldw(_s,_o,_a,_t,_e) def_load_insn(ldw,"=r",_s,_o,_a,_t,_e) -#define stw(_s,_t,_o,_a,_e) def_store_insn(stw,"r",_s,_t,_o,_a,_e) - -#ifdef CONFIG_PREFETCH -static inline void prefetch_src(const void *addr) -{ - __asm__("ldw 0(" s_space ",%0), %%r0" : : "r" (addr)); -} - -static inline void prefetch_dst(const void *addr) -{ - __asm__("ldd 0(" d_space ",%0), %%r0" : : "r" (addr)); -} -#else -#define prefetch_src(addr) do { } while(0) -#define prefetch_dst(addr) do { } while(0) -#endif - -#define PA_MEMCPY_OK 0 -#define PA_MEMCPY_LOAD_ERROR 1 -#define PA_MEMCPY_STORE_ERROR 2 - -/* Copy from a not-aligned src to an aligned dst, using shifts. Handles 4 words - * per loop. This code is derived from glibc. - */ -static noinline unsigned long copy_dstaligned(unsigned long dst, - unsigned long src, unsigned long len) -{ - /* gcc complains that a2 and a3 may be uninitialized, but actually - * they cannot be. Initialize a2/a3 to shut gcc up. - */ - register unsigned int a0, a1, a2 = 0, a3 = 0; - int sh_1, sh_2; - - /* prefetch_src((const void *)src); */ - - /* Calculate how to shift a word read at the memory operation - aligned srcp to make it aligned for copy. */ - sh_1 = 8 * (src % sizeof(unsigned int)); - sh_2 = 8 * sizeof(unsigned int) - sh_1; - - /* Make src aligned by rounding it down. */ - src &= -sizeof(unsigned int); - - switch (len % 4) - { - case 2: - /* a1 = ((unsigned int *) src)[0]; - a2 = ((unsigned int *) src)[1]; */ - ldw(s_space, 0, src, a1, cda_ldw_exc); - ldw(s_space, 4, src, a2, cda_ldw_exc); - src -= 1 * sizeof(unsigned int); - dst -= 3 * sizeof(unsigned int); - len += 2; - goto do1; - case 3: - /* a0 = ((unsigned int *) src)[0]; - a1 = ((unsigned int *) src)[1]; */ - ldw(s_space, 0, src, a0, cda_ldw_exc); - ldw(s_space, 4, src, a1, cda_ldw_exc); - src -= 0 * sizeof(unsigned int); - dst -= 2 * sizeof(unsigned int); - len += 1; - goto do2; - case 0: - if (len == 0) - return PA_MEMCPY_OK; - /* a3 = ((unsigned int *) src)[0]; - a0 = ((unsigned int *) src)[1]; */ - ldw(s_space, 0, src, a3, cda_ldw_exc); - ldw(s_space, 4, src, a0, cda_ldw_exc); - src -=-1 * sizeof(unsigned int); - dst -= 1 * sizeof(unsigned int); - len += 0; - goto do3; - case 1: - /* a2 = ((unsigned int *) src)[0]; - a3 = ((unsigned int *) src)[1]; */ - ldw(s_space, 0, src, a2, cda_ldw_exc); - ldw(s_space, 4, src, a3, cda_ldw_exc); - src -=-2 * sizeof(unsigned int); - dst -= 0 * sizeof(unsigned int); - len -= 1; - if (len == 0) - goto do0; - goto do4; /* No-op. */ - } - - do - { - /* prefetch_src((const void *)(src + 4 * sizeof(unsigned int))); */ -do4: - /* a0 = ((unsigned int *) src)[0]; */ - ldw(s_space, 0, src, a0, cda_ldw_exc); - /* ((unsigned int *) dst)[0] = MERGE (a2, sh_1, a3, sh_2); */ - stw(d_space, MERGE (a2, sh_1, a3, sh_2), 0, dst, cda_stw_exc); -do3: - /* a1 = ((unsigned int *) src)[1]; */ - ldw(s_space, 4, src, a1, cda_ldw_exc); - /* ((unsigned int *) dst)[1] = MERGE (a3, sh_1, a0, sh_2); */ - stw(d_space, MERGE (a3, sh_1, a0, sh_2), 4, dst, cda_stw_exc); -do2: - /* a2 = ((unsigned int *) src)[2]; */ - ldw(s_space, 8, src, a2, cda_ldw_exc); - /* ((unsigned int *) dst)[2] = MERGE (a0, sh_1, a1, sh_2); */ - stw(d_space, MERGE (a0, sh_1, a1, sh_2), 8, dst, cda_stw_exc); -do1: - /* a3 = ((unsigned int *) src)[3]; */ - ldw(s_space, 12, src, a3, cda_ldw_exc); - /* ((unsigned int *) dst)[3] = MERGE (a1, sh_1, a2, sh_2); */ - stw(d_space, MERGE (a1, sh_1, a2, sh_2), 12, dst, cda_stw_exc); - - src += 4 * sizeof(unsigned int); - dst += 4 * sizeof(unsigned int); - len -= 4; - } - while (len != 0); - -do0: - /* ((unsigned int *) dst)[0] = MERGE (a2, sh_1, a3, sh_2); */ - stw(d_space, MERGE (a2, sh_1, a3, sh_2), 0, dst, cda_stw_exc); - - preserve_branch(handle_load_error); - preserve_branch(handle_store_error); - - return PA_MEMCPY_OK; - -handle_load_error: - __asm__ __volatile__ ("cda_ldw_exc:\n"); - return PA_MEMCPY_LOAD_ERROR; - -handle_store_error: - __asm__ __volatile__ ("cda_stw_exc:\n"); - return PA_MEMCPY_STORE_ERROR; -} - - -/* Returns PA_MEMCPY_OK, PA_MEMCPY_LOAD_ERROR or PA_MEMCPY_STORE_ERROR. - * In case of an access fault the faulty address can be read from the per_cpu - * exception data struct. */ -static noinline unsigned long pa_memcpy_internal(void *dstp, const void *srcp, - unsigned long len) -{ - register unsigned long src, dst, t1, t2, t3; - register unsigned char *pcs, *pcd; - register unsigned int *pws, *pwd; - register double *pds, *pdd; - unsigned long ret; - - src = (unsigned long)srcp; - dst = (unsigned long)dstp; - pcs = (unsigned char *)srcp; - pcd = (unsigned char *)dstp; - - /* prefetch_src((const void *)srcp); */ - - if (len < THRESHOLD) - goto byte_copy; - - /* Check alignment */ - t1 = (src ^ dst); - if (unlikely(t1 & (sizeof(double)-1))) - goto unaligned_copy; - - /* src and dst have same alignment. */ - - /* Copy bytes till we are double-aligned. */ - t2 = src & (sizeof(double) - 1); - if (unlikely(t2 != 0)) { - t2 = sizeof(double) - t2; - while (t2 && len) { - /* *pcd++ = *pcs++; */ - ldbma(s_space, pcs, t3, pmc_load_exc); - len--; - stbma(d_space, t3, pcd, pmc_store_exc); - t2--; - } - } - - pds = (double *)pcs; - pdd = (double *)pcd; - -#if 0 - /* Copy 8 doubles at a time */ - while (len >= 8*sizeof(double)) { - register double r1, r2, r3, r4, r5, r6, r7, r8; - /* prefetch_src((char *)pds + L1_CACHE_BYTES); */ - flddma(s_space, pds, r1, pmc_load_exc); - flddma(s_space, pds, r2, pmc_load_exc); - flddma(s_space, pds, r3, pmc_load_exc); - flddma(s_space, pds, r4, pmc_load_exc); - fstdma(d_space, r1, pdd, pmc_store_exc); - fstdma(d_space, r2, pdd, pmc_store_exc); - fstdma(d_space, r3, pdd, pmc_store_exc); - fstdma(d_space, r4, pdd, pmc_store_exc); - -#if 0 - if (L1_CACHE_BYTES <= 32) - prefetch_src((char *)pds + L1_CACHE_BYTES); -#endif - flddma(s_space, pds, r5, pmc_load_exc); - flddma(s_space, pds, r6, pmc_load_exc); - flddma(s_space, pds, r7, pmc_load_exc); - flddma(s_space, pds, r8, pmc_load_exc); - fstdma(d_space, r5, pdd, pmc_store_exc); - fstdma(d_space, r6, pdd, pmc_store_exc); - fstdma(d_space, r7, pdd, pmc_store_exc); - fstdma(d_space, r8, pdd, pmc_store_exc); - len -= 8*sizeof(double); - } -#endif - - pws = (unsigned int *)pds; - pwd = (unsigned int *)pdd; - -word_copy: - while (len >= 8*sizeof(unsigned int)) { - register unsigned int r1,r2,r3,r4,r5,r6,r7,r8; - /* prefetch_src((char *)pws + L1_CACHE_BYTES); */ - ldwma(s_space, pws, r1, pmc_load_exc); - ldwma(s_space, pws, r2, pmc_load_exc); - ldwma(s_space, pws, r3, pmc_load_exc); - ldwma(s_space, pws, r4, pmc_load_exc); - stwma(d_space, r1, pwd, pmc_store_exc); - stwma(d_space, r2, pwd, pmc_store_exc); - stwma(d_space, r3, pwd, pmc_store_exc); - stwma(d_space, r4, pwd, pmc_store_exc); - - ldwma(s_space, pws, r5, pmc_load_exc); - ldwma(s_space, pws, r6, pmc_load_exc); - ldwma(s_space, pws, r7, pmc_load_exc); - ldwma(s_space, pws, r8, pmc_load_exc); - stwma(d_space, r5, pwd, pmc_store_exc); - stwma(d_space, r6, pwd, pmc_store_exc); - stwma(d_space, r7, pwd, pmc_store_exc); - stwma(d_space, r8, pwd, pmc_store_exc); - len -= 8*sizeof(unsigned int); - } - - while (len >= 4*sizeof(unsigned int)) { - register unsigned int r1,r2,r3,r4; - ldwma(s_space, pws, r1, pmc_load_exc); - ldwma(s_space, pws, r2, pmc_load_exc); - ldwma(s_space, pws, r3, pmc_load_exc); - ldwma(s_space, pws, r4, pmc_load_exc); - stwma(d_space, r1, pwd, pmc_store_exc); - stwma(d_space, r2, pwd, pmc_store_exc); - stwma(d_space, r3, pwd, pmc_store_exc); - stwma(d_space, r4, pwd, pmc_store_exc); - len -= 4*sizeof(unsigned int); - } - - pcs = (unsigned char *)pws; - pcd = (unsigned char *)pwd; - -byte_copy: - while (len) { - /* *pcd++ = *pcs++; */ - ldbma(s_space, pcs, t3, pmc_load_exc); - stbma(d_space, t3, pcd, pmc_store_exc); - len--; - } - - return PA_MEMCPY_OK; - -unaligned_copy: - /* possibly we are aligned on a word, but not on a double... */ - if (likely((t1 & (sizeof(unsigned int)-1)) == 0)) { - t2 = src & (sizeof(unsigned int) - 1); - - if (unlikely(t2 != 0)) { - t2 = sizeof(unsigned int) - t2; - while (t2) { - /* *pcd++ = *pcs++; */ - ldbma(s_space, pcs, t3, pmc_load_exc); - stbma(d_space, t3, pcd, pmc_store_exc); - len--; - t2--; - } - } - - pws = (unsigned int *)pcs; - pwd = (unsigned int *)pcd; - goto word_copy; - } - - /* Align the destination. */ - if (unlikely((dst & (sizeof(unsigned int) - 1)) != 0)) { - t2 = sizeof(unsigned int) - (dst & (sizeof(unsigned int) - 1)); - while (t2) { - /* *pcd++ = *pcs++; */ - ldbma(s_space, pcs, t3, pmc_load_exc); - stbma(d_space, t3, pcd, pmc_store_exc); - len--; - t2--; - } - dst = (unsigned long)pcd; - src = (unsigned long)pcs; - } - - ret = copy_dstaligned(dst, src, len / sizeof(unsigned int)); - if (ret) - return ret; - - pcs += (len & -sizeof(unsigned int)); - pcd += (len & -sizeof(unsigned int)); - len %= sizeof(unsigned int); - - preserve_branch(handle_load_error); - preserve_branch(handle_store_error); - - goto byte_copy; - -handle_load_error: - __asm__ __volatile__ ("pmc_load_exc:\n"); - return PA_MEMCPY_LOAD_ERROR; - -handle_store_error: - __asm__ __volatile__ ("pmc_store_exc:\n"); - return PA_MEMCPY_STORE_ERROR; -} - - /* Returns 0 for success, otherwise, returns number of bytes not transferred. */ -static unsigned long pa_memcpy(void *dstp, const void *srcp, unsigned long len) -{ - unsigned long ret, fault_addr, reference; - struct exception_data *d; - - ret = pa_memcpy_internal(dstp, srcp, len); - if (likely(ret == PA_MEMCPY_OK)) - return 0; - - /* if a load or store fault occured we can get the faulty addr */ - d = this_cpu_ptr(&exception_data); - fault_addr = d->fault_addr; - - /* error in load or store? */ - if (ret == PA_MEMCPY_LOAD_ERROR) - reference = (unsigned long) srcp; - else - reference = (unsigned long) dstp; +extern unsigned long pa_memcpy(void *dst, const void *src, + unsigned long len); - DPRINTF("pa_memcpy: fault type = %lu, len=%lu fault_addr=%lu ref=%lu\n", - ret, len, fault_addr, reference); - - if (fault_addr >= reference) - return len - (fault_addr - reference); - else - return len; -} - -#ifdef __KERNEL__ unsigned long __copy_to_user(void __user *dst, const void *src, unsigned long len) { @@ -537,5 +84,3 @@ long probe_kernel_read(void *dst, const void *src, size_t size) return __probe_kernel_read(dst, src, size); } - -#endif diff --git a/arch/parisc/mm/fault.c b/arch/parisc/mm/fault.c index deab89a..32ec221 100644 --- a/arch/parisc/mm/fault.c +++ b/arch/parisc/mm/fault.c @@ -150,6 +150,23 @@ int fixup_exception(struct pt_regs *regs) d->fault_space = regs->isr; d->fault_addr = regs->ior; + /* + * Fix up get_user() and put_user(). + * ASM_EXCEPTIONTABLE_ENTRY_EFAULT() sets the least-significant + * bit in the relative address of the fixup routine to indicate + * that %r8 should be loaded with -EFAULT to report a userspace + * access error. + */ + if (fix->fixup & 1) { + regs->gr[8] = -EFAULT; + + /* zero target register for get_user() */ + if (parisc_acctyp(0, regs->iir) == VM_READ) { + int treg = regs->iir & 0x1f; + regs->gr[treg] = 0; + } + } + regs->iaoq[0] = (unsigned long)&fix->fixup + fix->fixup; regs->iaoq[0] &= ~3; /* diff --git a/arch/powerpc/boot/zImage.lds.S b/arch/powerpc/boot/zImage.lds.S index 861e721..f080abf 100644 --- a/arch/powerpc/boot/zImage.lds.S +++ b/arch/powerpc/boot/zImage.lds.S @@ -68,6 +68,7 @@ SECTIONS } #ifdef CONFIG_PPC64_BOOT_WRAPPER + . = ALIGN(256); .got : { __toc_start = .; diff --git a/arch/powerpc/crypto/crc32c-vpmsum_glue.c b/arch/powerpc/crypto/crc32c-vpmsum_glue.c index 9fa046d..f058e0c 100644 --- a/arch/powerpc/crypto/crc32c-vpmsum_glue.c +++ b/arch/powerpc/crypto/crc32c-vpmsum_glue.c @@ -33,10 +33,13 @@ static u32 crc32c_vpmsum(u32 crc, unsigned char const *p, size_t len) } if (len & ~VMX_ALIGN_MASK) { + preempt_disable(); pagefault_disable(); enable_kernel_altivec(); crc = __crc32c_vpmsum(crc, p, len & ~VMX_ALIGN_MASK); + disable_kernel_altivec(); pagefault_enable(); + preempt_enable(); } tail = len & VMX_ALIGN_MASK; @@ -52,7 +55,7 @@ static int crc32c_vpmsum_cra_init(struct crypto_tfm *tfm) { u32 *key = crypto_tfm_ctx(tfm); - *key = 0; + *key = ~0; return 0; } diff --git a/arch/powerpc/include/asm/bitops.h b/arch/powerpc/include/asm/bitops.h index 73eb794..bc5fdfd 100644 --- a/arch/powerpc/include/asm/bitops.h +++ b/arch/powerpc/include/asm/bitops.h @@ -51,6 +51,10 @@ #define PPC_BIT(bit) (1UL << PPC_BITLSHIFT(bit)) #define PPC_BITMASK(bs, be) ((PPC_BIT(bs) - PPC_BIT(be)) | PPC_BIT(bs)) +/* Put a PPC bit into a "normal" bit position */ +#define PPC_BITEXTRACT(bits, ppc_bit, dst_bit) \ + ((((bits) >> PPC_BITLSHIFT(ppc_bit)) & 1) << (dst_bit)) + #include <asm/barrier.h> /* Macro for generating the ***_bits() functions */ diff --git a/arch/powerpc/include/asm/mce.h b/arch/powerpc/include/asm/mce.h index f97d8cb..ed62efe 100644 --- a/arch/powerpc/include/asm/mce.h +++ b/arch/powerpc/include/asm/mce.h @@ -66,6 +66,55 @@ #define P8_DSISR_MC_SLB_ERRORS (P7_DSISR_MC_SLB_ERRORS | \ P8_DSISR_MC_ERAT_MULTIHIT_SEC) + +/* + * Machine Check bits on power9 + */ +#define P9_SRR1_MC_LOADSTORE(srr1) (((srr1) >> PPC_BITLSHIFT(42)) & 1) + +#define P9_SRR1_MC_IFETCH(srr1) ( \ + PPC_BITEXTRACT(srr1, 45, 0) | \ + PPC_BITEXTRACT(srr1, 44, 1) | \ + PPC_BITEXTRACT(srr1, 43, 2) | \ + PPC_BITEXTRACT(srr1, 36, 3) ) + +/* 0 is reserved */ +#define P9_SRR1_MC_IFETCH_UE 1 +#define P9_SRR1_MC_IFETCH_SLB_PARITY 2 +#define P9_SRR1_MC_IFETCH_SLB_MULTIHIT 3 +#define P9_SRR1_MC_IFETCH_ERAT_MULTIHIT 4 +#define P9_SRR1_MC_IFETCH_TLB_MULTIHIT 5 +#define P9_SRR1_MC_IFETCH_UE_TLB_RELOAD 6 +/* 7 is reserved */ +#define P9_SRR1_MC_IFETCH_LINK_TIMEOUT 8 +#define P9_SRR1_MC_IFETCH_LINK_TABLEWALK_TIMEOUT 9 +/* 10 ? */ +#define P9_SRR1_MC_IFETCH_RA 11 +#define P9_SRR1_MC_IFETCH_RA_TABLEWALK 12 +#define P9_SRR1_MC_IFETCH_RA_ASYNC_STORE 13 +#define P9_SRR1_MC_IFETCH_LINK_ASYNC_STORE_TIMEOUT 14 +#define P9_SRR1_MC_IFETCH_RA_TABLEWALK_FOREIGN 15 + +/* DSISR bits for machine check (On Power9) */ +#define P9_DSISR_MC_UE (PPC_BIT(48)) +#define P9_DSISR_MC_UE_TABLEWALK (PPC_BIT(49)) +#define P9_DSISR_MC_LINK_LOAD_TIMEOUT (PPC_BIT(50)) +#define P9_DSISR_MC_LINK_TABLEWALK_TIMEOUT (PPC_BIT(51)) +#define P9_DSISR_MC_ERAT_MULTIHIT (PPC_BIT(52)) +#define P9_DSISR_MC_TLB_MULTIHIT_MFTLB (PPC_BIT(53)) +#define P9_DSISR_MC_USER_TLBIE (PPC_BIT(54)) +#define P9_DSISR_MC_SLB_PARITY_MFSLB (PPC_BIT(55)) +#define P9_DSISR_MC_SLB_MULTIHIT_MFSLB (PPC_BIT(56)) +#define P9_DSISR_MC_RA_LOAD (PPC_BIT(57)) +#define P9_DSISR_MC_RA_TABLEWALK (PPC_BIT(58)) +#define P9_DSISR_MC_RA_TABLEWALK_FOREIGN (PPC_BIT(59)) +#define P9_DSISR_MC_RA_FOREIGN (PPC_BIT(60)) + +/* SLB error bits */ +#define P9_DSISR_MC_SLB_ERRORS (P9_DSISR_MC_ERAT_MULTIHIT | \ + P9_DSISR_MC_SLB_PARITY_MFSLB | \ + P9_DSISR_MC_SLB_MULTIHIT_MFSLB) + enum MCE_Version { MCE_V1 = 1, }; @@ -93,6 +142,9 @@ enum MCE_ErrorType { MCE_ERROR_TYPE_SLB = 2, MCE_ERROR_TYPE_ERAT = 3, MCE_ERROR_TYPE_TLB = 4, + MCE_ERROR_TYPE_USER = 5, + MCE_ERROR_TYPE_RA = 6, + MCE_ERROR_TYPE_LINK = 7, }; enum MCE_UeErrorType { @@ -121,6 +173,32 @@ enum MCE_TlbErrorType { MCE_TLB_ERROR_MULTIHIT = 2, }; +enum MCE_UserErrorType { + MCE_USER_ERROR_INDETERMINATE = 0, + MCE_USER_ERROR_TLBIE = 1, +}; + +enum MCE_RaErrorType { + MCE_RA_ERROR_INDETERMINATE = 0, + MCE_RA_ERROR_IFETCH = 1, + MCE_RA_ERROR_PAGE_TABLE_WALK_IFETCH = 2, + MCE_RA_ERROR_PAGE_TABLE_WALK_IFETCH_FOREIGN = 3, + MCE_RA_ERROR_LOAD = 4, + MCE_RA_ERROR_STORE = 5, + MCE_RA_ERROR_PAGE_TABLE_WALK_LOAD_STORE = 6, + MCE_RA_ERROR_PAGE_TABLE_WALK_LOAD_STORE_FOREIGN = 7, + MCE_RA_ERROR_LOAD_STORE_FOREIGN = 8, +}; + +enum MCE_LinkErrorType { + MCE_LINK_ERROR_INDETERMINATE = 0, + MCE_LINK_ERROR_IFETCH_TIMEOUT = 1, + MCE_LINK_ERROR_PAGE_TABLE_WALK_IFETCH_TIMEOUT = 2, + MCE_LINK_ERROR_LOAD_TIMEOUT = 3, + MCE_LINK_ERROR_STORE_TIMEOUT = 4, + MCE_LINK_ERROR_PAGE_TABLE_WALK_LOAD_STORE_TIMEOUT = 5, +}; + struct machine_check_event { enum MCE_Version version:8; /* 0x00 */ uint8_t in_use; /* 0x01 */ @@ -166,6 +244,30 @@ struct machine_check_event { uint64_t effective_address; uint8_t reserved_2[16]; } tlb_error; + + struct { + enum MCE_UserErrorType user_error_type:8; + uint8_t effective_address_provided; + uint8_t reserved_1[6]; + uint64_t effective_address; + uint8_t reserved_2[16]; + } user_error; + + struct { + enum MCE_RaErrorType ra_error_type:8; + uint8_t effective_address_provided; + uint8_t reserved_1[6]; + uint64_t effective_address; + uint8_t reserved_2[16]; + } ra_error; + + struct { + enum MCE_LinkErrorType link_error_type:8; + uint8_t effective_address_provided; + uint8_t reserved_1[6]; + uint64_t effective_address; + uint8_t reserved_2[16]; + } link_error; } u; }; @@ -176,8 +278,12 @@ struct mce_error_info { enum MCE_SlbErrorType slb_error_type:8; enum MCE_EratErrorType erat_error_type:8; enum MCE_TlbErrorType tlb_error_type:8; + enum MCE_UserErrorType user_error_type:8; + enum MCE_RaErrorType ra_error_type:8; + enum MCE_LinkErrorType link_error_type:8; } u; - uint8_t reserved[2]; + enum MCE_Severity severity:8; + enum MCE_Initiator initiator:8; }; #define MAX_MC_EVT 100 diff --git a/arch/powerpc/include/asm/systbl.h b/arch/powerpc/include/asm/systbl.h index 4b369d8..1c94708 100644 --- a/arch/powerpc/include/asm/systbl.h +++ b/arch/powerpc/include/asm/systbl.h @@ -387,3 +387,4 @@ SYSCALL(copy_file_range) COMPAT_SYS_SPU(preadv2) COMPAT_SYS_SPU(pwritev2) SYSCALL(kexec_file_load) +SYSCALL(statx) diff --git a/arch/powerpc/include/asm/unistd.h b/arch/powerpc/include/asm/unistd.h index eb1acee..9ba11db 100644 --- a/arch/powerpc/include/asm/unistd.h +++ b/arch/powerpc/include/asm/unistd.h @@ -12,7 +12,7 @@ #include <uapi/asm/unistd.h> -#define NR_syscalls 383 +#define NR_syscalls 384 #define __NR__exit __NR_exit diff --git a/arch/powerpc/include/uapi/asm/unistd.h b/arch/powerpc/include/uapi/asm/unistd.h index 2f26335..b85f142 100644 --- a/arch/powerpc/include/uapi/asm/unistd.h +++ b/arch/powerpc/include/uapi/asm/unistd.h @@ -393,5 +393,6 @@ #define __NR_preadv2 380 #define __NR_pwritev2 381 #define __NR_kexec_file_load 382 +#define __NR_statx 383 #endif /* _UAPI_ASM_POWERPC_UNISTD_H_ */ diff --git a/arch/powerpc/kernel/align.c b/arch/powerpc/kernel/align.c index cbc7c42..ec7a8b0 100644 --- a/arch/powerpc/kernel/align.c +++ b/arch/powerpc/kernel/align.c @@ -807,14 +807,25 @@ int fix_alignment(struct pt_regs *regs) nb = aligninfo[instr].len; flags = aligninfo[instr].flags; - /* ldbrx/stdbrx overlap lfs/stfs in the DSISR unfortunately */ - if (IS_XFORM(instruction) && ((instruction >> 1) & 0x3ff) == 532) { - nb = 8; - flags = LD+SW; - } else if (IS_XFORM(instruction) && - ((instruction >> 1) & 0x3ff) == 660) { - nb = 8; - flags = ST+SW; + /* + * Handle some cases which give overlaps in the DSISR values. + */ + if (IS_XFORM(instruction)) { + switch (get_xop(instruction)) { + case 532: /* ldbrx */ + nb = 8; + flags = LD+SW; + break; + case 660: /* stdbrx */ + nb = 8; + flags = ST+SW; + break; + case 20: /* lwarx */ + case 84: /* ldarx */ + case 116: /* lharx */ + case 276: /* lqarx */ + return 0; /* not emulated ever */ + } } /* Byteswap little endian loads and stores */ diff --git a/arch/powerpc/kernel/cputable.c b/arch/powerpc/kernel/cputable.c index bb7a189..e79b9da 100644 --- a/arch/powerpc/kernel/cputable.c +++ b/arch/powerpc/kernel/cputable.c @@ -77,6 +77,7 @@ extern void __flush_tlb_power8(unsigned int action); extern void __flush_tlb_power9(unsigned int action); extern long __machine_check_early_realmode_p7(struct pt_regs *regs); extern long __machine_check_early_realmode_p8(struct pt_regs *regs); +extern long __machine_check_early_realmode_p9(struct pt_regs *regs); #endif /* CONFIG_PPC64 */ #if defined(CONFIG_E500) extern void __setup_cpu_e5500(unsigned long offset, struct cpu_spec* spec); @@ -540,6 +541,7 @@ static struct cpu_spec __initdata cpu_specs[] = { .cpu_setup = __setup_cpu_power9, .cpu_restore = __restore_cpu_power9, .flush_tlb = __flush_tlb_power9, + .machine_check_early = __machine_check_early_realmode_p9, .platform = "power9", }, { /* Power9 */ @@ -559,6 +561,7 @@ static struct cpu_spec __initdata cpu_specs[] = { .cpu_setup = __setup_cpu_power9, .cpu_restore = __restore_cpu_power9, .flush_tlb = __flush_tlb_power9, + .machine_check_early = __machine_check_early_realmode_p9, .platform = "power9", }, { /* Cell Broadband Engine */ diff --git a/arch/powerpc/kernel/idle_book3s.S b/arch/powerpc/kernel/idle_book3s.S index 9957287..6fd0821 100644 --- a/arch/powerpc/kernel/idle_book3s.S +++ b/arch/powerpc/kernel/idle_book3s.S @@ -449,9 +449,23 @@ END_FTR_SECTION_IFSET(CPU_FTR_ARCH_300) _GLOBAL(pnv_wakeup_tb_loss) ld r1,PACAR1(r13) /* - * Before entering any idle state, the NVGPRs are saved in the stack - * and they are restored before switching to the process context. Hence - * until they are restored, they are free to be used. + * Before entering any idle state, the NVGPRs are saved in the stack. + * If there was a state loss, or PACA_NAPSTATELOST was set, then the + * NVGPRs are restored. If we are here, it is likely that state is lost, + * but not guaranteed -- neither ISA207 nor ISA300 tests to reach + * here are the same as the test to restore NVGPRS: + * PACA_THREAD_IDLE_STATE test for ISA207, PSSCR test for ISA300, + * and SRR1 test for restoring NVGPRs. + * + * We are about to clobber NVGPRs now, so set NAPSTATELOST to + * guarantee they will always be restored. This might be tightened + * with careful reading of specs (particularly for ISA300) but this + * is already a slow wakeup path and it's simpler to be safe. + */ + li r0,1 + stb r0,PACA_NAPSTATELOST(r13) + + /* * * Save SRR1 and LR in NVGPRs as they might be clobbered in * opal_call() (called in CHECK_HMI_INTERRUPT). SRR1 is required diff --git a/arch/powerpc/kernel/mce.c b/arch/powerpc/kernel/mce.c index c6923ff..a1475e6 100644 --- a/arch/powerpc/kernel/mce.c +++ b/arch/powerpc/kernel/mce.c @@ -58,6 +58,15 @@ static void mce_set_error_info(struct machine_check_event *mce, case MCE_ERROR_TYPE_TLB: mce->u.tlb_error.tlb_error_type = mce_err->u.tlb_error_type; break; + case MCE_ERROR_TYPE_USER: + mce->u.user_error.user_error_type = mce_err->u.user_error_type; + break; + case MCE_ERROR_TYPE_RA: + mce->u.ra_error.ra_error_type = mce_err->u.ra_error_type; + break; + case MCE_ERROR_TYPE_LINK: + mce->u.link_error.link_error_type = mce_err->u.link_error_type; + break; case MCE_ERROR_TYPE_UNKNOWN: default: break; @@ -90,13 +99,14 @@ void save_mce_event(struct pt_regs *regs, long handled, mce->gpr3 = regs->gpr[3]; mce->in_use = 1; - mce->initiator = MCE_INITIATOR_CPU; /* Mark it recovered if we have handled it and MSR(RI=1). */ if (handled && (regs->msr & MSR_RI)) mce->disposition = MCE_DISPOSITION_RECOVERED; else mce->disposition = MCE_DISPOSITION_NOT_RECOVERED; - mce->severity = MCE_SEV_ERROR_SYNC; + + mce->initiator = mce_err->initiator; + mce->severity = mce_err->severity; /* * Populate the mce error_type and type-specific error_type. @@ -115,6 +125,15 @@ void save_mce_event(struct pt_regs *regs, long handled, } else if (mce->error_type == MCE_ERROR_TYPE_ERAT) { mce->u.erat_error.effective_address_provided = true; mce->u.erat_error.effective_address = addr; + } else if (mce->error_type == MCE_ERROR_TYPE_USER) { + mce->u.user_error.effective_address_provided = true; + mce->u.user_error.effective_address = addr; + } else if (mce->error_type == MCE_ERROR_TYPE_RA) { + mce->u.ra_error.effective_address_provided = true; + mce->u.ra_error.effective_address = addr; + } else if (mce->error_type == MCE_ERROR_TYPE_LINK) { + mce->u.link_error.effective_address_provided = true; + mce->u.link_error.effective_address = addr; } else if (mce->error_type == MCE_ERROR_TYPE_UE) { mce->u.ue_error.effective_address_provided = true; mce->u.ue_error.effective_address = addr; @@ -239,6 +258,29 @@ void machine_check_print_event_info(struct machine_check_event *evt) "Parity", "Multihit", }; + static const char *mc_user_types[] = { + "Indeterminate", + "tlbie(l) invalid", + }; + static const char *mc_ra_types[] = { + "Indeterminate", + "Instruction fetch (bad)", + "Page table walk ifetch (bad)", + "Page table walk ifetch (foreign)", + "Load (bad)", + "Store (bad)", + "Page table walk Load/Store (bad)", + "Page table walk Load/Store (foreign)", + "Load/Store (foreign)", + }; + static const char *mc_link_types[] = { + "Indeterminate", + "Instruction fetch (timeout)", + "Page table walk ifetch (timeout)", + "Load (timeout)", + "Store (timeout)", + "Page table walk Load/Store (timeout)", + }; /* Print things out */ if (evt->version != MCE_V1) { @@ -315,6 +357,36 @@ void machine_check_print_event_info(struct machine_check_event *evt) printk("%s Effective address: %016llx\n", level, evt->u.tlb_error.effective_address); break; + case MCE_ERROR_TYPE_USER: + subtype = evt->u.user_error.user_error_type < + ARRAY_SIZE(mc_user_types) ? + mc_user_types[evt->u.user_error.user_error_type] + : "Unknown"; + printk("%s Error type: User [%s]\n", level, subtype); + if (evt->u.user_error.effective_address_provided) + printk("%s Effective address: %016llx\n", + level, evt->u.user_error.effective_address); + break; + case MCE_ERROR_TYPE_RA: + subtype = evt->u.ra_error.ra_error_type < + ARRAY_SIZE(mc_ra_types) ? + mc_ra_types[evt->u.ra_error.ra_error_type] + : "Unknown"; + printk("%s Error type: Real address [%s]\n", level, subtype); + if (evt->u.ra_error.effective_address_provided) + printk("%s Effective address: %016llx\n", + level, evt->u.ra_error.effective_address); + break; + case MCE_ERROR_TYPE_LINK: + subtype = evt->u.link_error.link_error_type < + ARRAY_SIZE(mc_link_types) ? + mc_link_types[evt->u.link_error.link_error_type] + : "Unknown"; + printk("%s Error type: Link [%s]\n", level, subtype); + if (evt->u.link_error.effective_address_provided) + printk("%s Effective address: %016llx\n", + level, evt->u.link_error.effective_address); + break; default: case MCE_ERROR_TYPE_UNKNOWN: printk("%s Error type: Unknown\n", level); @@ -341,6 +413,18 @@ uint64_t get_mce_fault_addr(struct machine_check_event *evt) if (evt->u.tlb_error.effective_address_provided) return evt->u.tlb_error.effective_address; break; + case MCE_ERROR_TYPE_USER: + if (evt->u.user_error.effective_address_provided) + return evt->u.user_error.effective_address; + break; + case MCE_ERROR_TYPE_RA: + if (evt->u.ra_error.effective_address_provided) + return evt->u.ra_error.effective_address; + break; + case MCE_ERROR_TYPE_LINK: + if (evt->u.link_error.effective_address_provided) + return evt->u.link_error.effective_address; + break; default: case MCE_ERROR_TYPE_UNKNOWN: break; diff --git a/arch/powerpc/kernel/mce_power.c b/arch/powerpc/kernel/mce_power.c index 7353991..763d6f5 100644 --- a/arch/powerpc/kernel/mce_power.c +++ b/arch/powerpc/kernel/mce_power.c @@ -116,6 +116,51 @@ static void flush_and_reload_slb(void) } #endif +static void flush_erat(void) +{ + asm volatile(PPC_INVALIDATE_ERAT : : :"memory"); +} + +#define MCE_FLUSH_SLB 1 +#define MCE_FLUSH_TLB 2 +#define MCE_FLUSH_ERAT 3 + +static int mce_flush(int what) +{ +#ifdef CONFIG_PPC_STD_MMU_64 + if (what == MCE_FLUSH_SLB) { + flush_and_reload_slb(); + return 1; + } +#endif + if (what == MCE_FLUSH_ERAT) { + flush_erat(); + return 1; + } + if (what == MCE_FLUSH_TLB) { + if (cur_cpu_spec && cur_cpu_spec->flush_tlb) { + cur_cpu_spec->flush_tlb(TLB_INVAL_SCOPE_GLOBAL); + return 1; + } + } + + return 0; +} + +static int mce_handle_flush_derrors(uint64_t dsisr, uint64_t slb, uint64_t tlb, uint64_t erat) +{ + if ((dsisr & slb) && mce_flush(MCE_FLUSH_SLB)) + dsisr &= ~slb; + if ((dsisr & erat) && mce_flush(MCE_FLUSH_ERAT)) + dsisr &= ~erat; + if ((dsisr & tlb) && mce_flush(MCE_FLUSH_TLB)) + dsisr &= ~tlb; + /* Any other errors we don't understand? */ + if (dsisr) + return 0; + return 1; +} + static long mce_handle_derror(uint64_t dsisr, uint64_t slb_error_bits) { long handled = 1; @@ -281,6 +326,9 @@ long __machine_check_early_realmode_p7(struct pt_regs *regs) long handled = 1; struct mce_error_info mce_error_info = { 0 }; + mce_error_info.severity = MCE_SEV_ERROR_SYNC; + mce_error_info.initiator = MCE_INITIATOR_CPU; + srr1 = regs->msr; nip = regs->nip; @@ -352,6 +400,9 @@ long __machine_check_early_realmode_p8(struct pt_regs *regs) long handled = 1; struct mce_error_info mce_error_info = { 0 }; + mce_error_info.severity = MCE_SEV_ERROR_SYNC; + mce_error_info.initiator = MCE_INITIATOR_CPU; + srr1 = regs->msr; nip = regs->nip; @@ -372,3 +423,189 @@ long __machine_check_early_realmode_p8(struct pt_regs *regs) save_mce_event(regs, handled, &mce_error_info, nip, addr); return handled; } + +static int mce_handle_derror_p9(struct pt_regs *regs) +{ + uint64_t dsisr = regs->dsisr; + + return mce_handle_flush_derrors(dsisr, + P9_DSISR_MC_SLB_PARITY_MFSLB | + P9_DSISR_MC_SLB_MULTIHIT_MFSLB, + + P9_DSISR_MC_TLB_MULTIHIT_MFTLB, + + P9_DSISR_MC_ERAT_MULTIHIT); +} + +static int mce_handle_ierror_p9(struct pt_regs *regs) +{ + uint64_t srr1 = regs->msr; + + switch (P9_SRR1_MC_IFETCH(srr1)) { + case P9_SRR1_MC_IFETCH_SLB_PARITY: + case P9_SRR1_MC_IFETCH_SLB_MULTIHIT: + return mce_flush(MCE_FLUSH_SLB); + case P9_SRR1_MC_IFETCH_TLB_MULTIHIT: + return mce_flush(MCE_FLUSH_TLB); + case P9_SRR1_MC_IFETCH_ERAT_MULTIHIT: + return mce_flush(MCE_FLUSH_ERAT); + default: + return 0; + } +} + +static void mce_get_derror_p9(struct pt_regs *regs, + struct mce_error_info *mce_err, uint64_t *addr) +{ + uint64_t dsisr = regs->dsisr; + + mce_err->severity = MCE_SEV_ERROR_SYNC; + mce_err->initiator = MCE_INITIATOR_CPU; + + if (dsisr & P9_DSISR_MC_USER_TLBIE) + *addr = regs->nip; + else + *addr = regs->dar; + + if (dsisr & P9_DSISR_MC_UE) { + mce_err->error_type = MCE_ERROR_TYPE_UE; + mce_err->u.ue_error_type = MCE_UE_ERROR_LOAD_STORE; + } else if (dsisr & P9_DSISR_MC_UE_TABLEWALK) { + mce_err->error_type = MCE_ERROR_TYPE_UE; + mce_err->u.ue_error_type = MCE_UE_ERROR_PAGE_TABLE_WALK_LOAD_STORE; + } else if (dsisr & P9_DSISR_MC_LINK_LOAD_TIMEOUT) { + mce_err->error_type = MCE_ERROR_TYPE_LINK; + mce_err->u.link_error_type = MCE_LINK_ERROR_LOAD_TIMEOUT; + } else if (dsisr & P9_DSISR_MC_LINK_TABLEWALK_TIMEOUT) { + mce_err->error_type = MCE_ERROR_TYPE_LINK; + mce_err->u.link_error_type = MCE_LINK_ERROR_PAGE_TABLE_WALK_LOAD_STORE_TIMEOUT; + } else if (dsisr & P9_DSISR_MC_ERAT_MULTIHIT) { + mce_err->error_type = MCE_ERROR_TYPE_ERAT; + mce_err->u.erat_error_type = MCE_ERAT_ERROR_MULTIHIT; + } else if (dsisr & P9_DSISR_MC_TLB_MULTIHIT_MFTLB) { + mce_err->error_type = MCE_ERROR_TYPE_TLB; + mce_err->u.tlb_error_type = MCE_TLB_ERROR_MULTIHIT; + } else if (dsisr & P9_DSISR_MC_USER_TLBIE) { + mce_err->error_type = MCE_ERROR_TYPE_USER; + mce_err->u.user_error_type = MCE_USER_ERROR_TLBIE; + } else if (dsisr & P9_DSISR_MC_SLB_PARITY_MFSLB) { + mce_err->error_type = MCE_ERROR_TYPE_SLB; + mce_err->u.slb_error_type = MCE_SLB_ERROR_PARITY; + } else if (dsisr & P9_DSISR_MC_SLB_MULTIHIT_MFSLB) { + mce_err->error_type = MCE_ERROR_TYPE_SLB; + mce_err->u.slb_error_type = MCE_SLB_ERROR_MULTIHIT; + } else if (dsisr & P9_DSISR_MC_RA_LOAD) { + mce_err->error_type = MCE_ERROR_TYPE_RA; + mce_err->u.ra_error_type = MCE_RA_ERROR_LOAD; + } else if (dsisr & P9_DSISR_MC_RA_TABLEWALK) { + mce_err->error_type = MCE_ERROR_TYPE_RA; + mce_err->u.ra_error_type = MCE_RA_ERROR_PAGE_TABLE_WALK_LOAD_STORE; + } else if (dsisr & P9_DSISR_MC_RA_TABLEWALK_FOREIGN) { + mce_err->error_type = MCE_ERROR_TYPE_RA; + mce_err->u.ra_error_type = MCE_RA_ERROR_PAGE_TABLE_WALK_LOAD_STORE_FOREIGN; + } else if (dsisr & P9_DSISR_MC_RA_FOREIGN) { + mce_err->error_type = MCE_ERROR_TYPE_RA; + mce_err->u.ra_error_type = MCE_RA_ERROR_LOAD_STORE_FOREIGN; + } +} + +static void mce_get_ierror_p9(struct pt_regs *regs, + struct mce_error_info *mce_err, uint64_t *addr) +{ + uint64_t srr1 = regs->msr; + + switch (P9_SRR1_MC_IFETCH(srr1)) { + case P9_SRR1_MC_IFETCH_RA_ASYNC_STORE: + case P9_SRR1_MC_IFETCH_LINK_ASYNC_STORE_TIMEOUT: + mce_err->severity = MCE_SEV_FATAL; + break; + default: + mce_err->severity = MCE_SEV_ERROR_SYNC; + break; + } + + mce_err->initiator = MCE_INITIATOR_CPU; + + *addr = regs->nip; + + switch (P9_SRR1_MC_IFETCH(srr1)) { + case P9_SRR1_MC_IFETCH_UE: + mce_err->error_type = MCE_ERROR_TYPE_UE; + mce_err->u.ue_error_type = MCE_UE_ERROR_IFETCH; + break; + case P9_SRR1_MC_IFETCH_SLB_PARITY: + mce_err->error_type = MCE_ERROR_TYPE_SLB; + mce_err->u.slb_error_type = MCE_SLB_ERROR_PARITY; + break; + case P9_SRR1_MC_IFETCH_SLB_MULTIHIT: + mce_err->error_type = MCE_ERROR_TYPE_SLB; + mce_err->u.slb_error_type = MCE_SLB_ERROR_MULTIHIT; + break; + case P9_SRR1_MC_IFETCH_ERAT_MULTIHIT: + mce_err->error_type = MCE_ERROR_TYPE_ERAT; + mce_err->u.erat_error_type = MCE_ERAT_ERROR_MULTIHIT; + break; + case P9_SRR1_MC_IFETCH_TLB_MULTIHIT: + mce_err->error_type = MCE_ERROR_TYPE_TLB; + mce_err->u.tlb_error_type = MCE_TLB_ERROR_MULTIHIT; + break; + case P9_SRR1_MC_IFETCH_UE_TLB_RELOAD: + mce_err->error_type = MCE_ERROR_TYPE_UE; + mce_err->u.ue_error_type = MCE_UE_ERROR_PAGE_TABLE_WALK_IFETCH; + break; + case P9_SRR1_MC_IFETCH_LINK_TIMEOUT: + mce_err->error_type = MCE_ERROR_TYPE_LINK; + mce_err->u.link_error_type = MCE_LINK_ERROR_IFETCH_TIMEOUT; + break; + case P9_SRR1_MC_IFETCH_LINK_TABLEWALK_TIMEOUT: + mce_err->error_type = MCE_ERROR_TYPE_LINK; + mce_err->u.link_error_type = MCE_LINK_ERROR_PAGE_TABLE_WALK_IFETCH_TIMEOUT; + break; + case P9_SRR1_MC_IFETCH_RA: + mce_err->error_type = MCE_ERROR_TYPE_RA; + mce_err->u.ra_error_type = MCE_RA_ERROR_IFETCH; + break; + case P9_SRR1_MC_IFETCH_RA_TABLEWALK: + mce_err->error_type = MCE_ERROR_TYPE_RA; + mce_err->u.ra_error_type = MCE_RA_ERROR_PAGE_TABLE_WALK_IFETCH; + break; + case P9_SRR1_MC_IFETCH_RA_ASYNC_STORE: + mce_err->error_type = MCE_ERROR_TYPE_RA; + mce_err->u.ra_error_type = MCE_RA_ERROR_STORE; + break; + case P9_SRR1_MC_IFETCH_LINK_ASYNC_STORE_TIMEOUT: + mce_err->error_type = MCE_ERROR_TYPE_LINK; + mce_err->u.link_error_type = MCE_LINK_ERROR_STORE_TIMEOUT; + break; + case P9_SRR1_MC_IFETCH_RA_TABLEWALK_FOREIGN: + mce_err->error_type = MCE_ERROR_TYPE_RA; + mce_err->u.ra_error_type = MCE_RA_ERROR_PAGE_TABLE_WALK_IFETCH_FOREIGN; + break; + default: + break; + } +} + +long __machine_check_early_realmode_p9(struct pt_regs *regs) +{ + uint64_t nip, addr; + long handled; + struct mce_error_info mce_error_info = { 0 }; + + nip = regs->nip; + + if (P9_SRR1_MC_LOADSTORE(regs->msr)) { + handled = mce_handle_derror_p9(regs); + mce_get_derror_p9(regs, &mce_error_info, &addr); + } else { + handled = mce_handle_ierror_p9(regs); + mce_get_ierror_p9(regs, &mce_error_info, &addr); + } + + /* Handle UE error. */ + if (mce_error_info.error_type == MCE_ERROR_TYPE_UE) + handled = mce_handle_ue_error(regs); + + save_mce_event(regs, handled, &mce_error_info, nip, addr); + return handled; +} diff --git a/arch/powerpc/kernel/misc_64.S b/arch/powerpc/kernel/misc_64.S index ae179cb..c119044 100644 --- a/arch/powerpc/kernel/misc_64.S +++ b/arch/powerpc/kernel/misc_64.S @@ -67,7 +67,7 @@ PPC64_CACHES: * flush all bytes from start through stop-1 inclusive */ -_GLOBAL(flush_icache_range) +_GLOBAL_TOC(flush_icache_range) BEGIN_FTR_SECTION PURGE_PREFETCHED_INS blr @@ -120,7 +120,7 @@ EXPORT_SYMBOL(flush_icache_range) * * flush all bytes from start to stop-1 inclusive */ -_GLOBAL(flush_dcache_range) +_GLOBAL_TOC(flush_dcache_range) /* * Flush the data cache to memory diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c index 9cfaa8b..f997154 100644 --- a/arch/powerpc/kernel/setup_64.c +++ b/arch/powerpc/kernel/setup_64.c @@ -236,6 +236,15 @@ static void cpu_ready_for_interrupts(void) mtspr(SPRN_LPCR, lpcr | LPCR_AIL_3); } + /* + * Fixup HFSCR:TM based on CPU features. The bit is set by our + * early asm init because at that point we haven't updated our + * CPU features from firmware and device-tree. Here we have, + * so let's do it. + */ + if (cpu_has_feature(CPU_FTR_HVMODE) && !cpu_has_feature(CPU_FTR_TM_COMP)) + mtspr(SPRN_HFSCR, mfspr(SPRN_HFSCR) & ~HFSCR_TM); + /* Set IR and DR in PACA MSR */ get_paca()->kernel_msr = MSR_KERNEL; } diff --git a/arch/powerpc/kvm/book3s_64_mmu_hv.c b/arch/powerpc/kvm/book3s_64_mmu_hv.c index 8c68145..710e491 100644 --- a/arch/powerpc/kvm/book3s_64_mmu_hv.c +++ b/arch/powerpc/kvm/book3s_64_mmu_hv.c @@ -1487,6 +1487,10 @@ long kvm_vm_ioctl_resize_hpt_prepare(struct kvm *kvm, /* start new resize */ resize = kzalloc(sizeof(*resize), GFP_KERNEL); + if (!resize) { + ret = -ENOMEM; + goto out; + } resize->order = shift; resize->kvm = kvm; INIT_WORK(&resize->work, resize_hpt_prepare_work); diff --git a/arch/powerpc/mm/hash_native_64.c b/arch/powerpc/mm/hash_native_64.c index cc33260..65bb8f3 100644 --- a/arch/powerpc/mm/hash_native_64.c +++ b/arch/powerpc/mm/hash_native_64.c @@ -638,6 +638,10 @@ static void native_flush_hash_range(unsigned long number, int local) unsigned long psize = batch->psize; int ssize = batch->ssize; int i; + unsigned int use_local; + + use_local = local && mmu_has_feature(MMU_FTR_TLBIEL) && + mmu_psize_defs[psize].tlbiel && !cxl_ctx_in_use(); local_irq_save(flags); @@ -667,8 +671,7 @@ static void native_flush_hash_range(unsigned long number, int local) } pte_iterate_hashed_end(); } - if (mmu_has_feature(MMU_FTR_TLBIEL) && - mmu_psize_defs[psize].tlbiel && local) { + if (use_local) { asm volatile("ptesync":::"memory"); for (i = 0; i < number; i++) { vpn = batch->vpn[i]; diff --git a/arch/powerpc/mm/init_64.c b/arch/powerpc/mm/init_64.c index 9be9920..c22f207 100644 --- a/arch/powerpc/mm/init_64.c +++ b/arch/powerpc/mm/init_64.c @@ -397,8 +397,7 @@ static void early_check_vec5(void) void __init mmu_early_init_devtree(void) { /* Disable radix mode based on kernel command line. */ - /* We don't yet have the machinery to do radix as a guest. */ - if (disable_radix || !(mfmsr() & MSR_HV)) + if (disable_radix) cur_cpu_spec->mmu_features &= ~MMU_FTR_TYPE_RADIX; /* diff --git a/arch/powerpc/perf/core-book3s.c b/arch/powerpc/perf/core-book3s.c index 595dd71..2ff1324 100644 --- a/arch/powerpc/perf/core-book3s.c +++ b/arch/powerpc/perf/core-book3s.c @@ -188,6 +188,8 @@ static inline void perf_get_data_addr(struct pt_regs *regs, u64 *addrp) sdsync = POWER7P_MMCRA_SDAR_VALID; else if (ppmu->flags & PPMU_ALT_SIPR) sdsync = POWER6_MMCRA_SDSYNC; + else if (ppmu->flags & PPMU_NO_SIAR) + sdsync = MMCRA_SAMPLE_ENABLE; else sdsync = MMCRA_SDSYNC; diff --git a/arch/powerpc/perf/isa207-common.c b/arch/powerpc/perf/isa207-common.c index e79fb5f..cd951fd 100644 --- a/arch/powerpc/perf/isa207-common.c +++ b/arch/powerpc/perf/isa207-common.c @@ -65,12 +65,41 @@ static bool is_event_valid(u64 event) return !(event & ~valid_mask); } -static u64 mmcra_sdar_mode(u64 event) +static inline bool is_event_marked(u64 event) { - if (cpu_has_feature(CPU_FTR_ARCH_300) && !cpu_has_feature(CPU_FTR_POWER9_DD1)) - return p9_SDAR_MODE(event) << MMCRA_SDAR_MODE_SHIFT; + if (event & EVENT_IS_MARKED) + return true; + + return false; +} - return MMCRA_SDAR_MODE_TLB; +static void mmcra_sdar_mode(u64 event, unsigned long *mmcra) +{ + /* + * MMCRA[SDAR_MODE] specifices how the SDAR should be updated in + * continous sampling mode. + * + * Incase of Power8: + * MMCRA[SDAR_MODE] will be programmed as "0b01" for continous sampling + * mode and will be un-changed when setting MMCRA[63] (Marked events). + * + * Incase of Power9: + * Marked event: MMCRA[SDAR_MODE] will be set to 0b00 ('No Updates'), + * or if group already have any marked events. + * Non-Marked events (for DD1): + * MMCRA[SDAR_MODE] will be set to 0b01 + * For rest + * MMCRA[SDAR_MODE] will be set from event code. + */ + if (cpu_has_feature(CPU_FTR_ARCH_300)) { + if (is_event_marked(event) || (*mmcra & MMCRA_SAMPLE_ENABLE)) + *mmcra &= MMCRA_SDAR_MODE_NO_UPDATES; + else if (!cpu_has_feature(CPU_FTR_POWER9_DD1)) + *mmcra |= p9_SDAR_MODE(event) << MMCRA_SDAR_MODE_SHIFT; + else if (cpu_has_feature(CPU_FTR_POWER9_DD1)) + *mmcra |= MMCRA_SDAR_MODE_TLB; + } else + *mmcra |= MMCRA_SDAR_MODE_TLB; } static u64 thresh_cmp_val(u64 value) @@ -180,7 +209,7 @@ int isa207_get_constraint(u64 event, unsigned long *maskp, unsigned long *valp) value |= CNST_L1_QUAL_VAL(cache); } - if (event & EVENT_IS_MARKED) { + if (is_event_marked(event)) { mask |= CNST_SAMPLE_MASK; value |= CNST_SAMPLE_VAL(event >> EVENT_SAMPLE_SHIFT); } @@ -276,7 +305,7 @@ int isa207_compute_mmcr(u64 event[], int n_ev, } /* In continuous sampling mode, update SDAR on TLB miss */ - mmcra |= mmcra_sdar_mode(event[i]); + mmcra_sdar_mode(event[i], &mmcra); if (event[i] & EVENT_IS_L1) { cache = event[i] >> EVENT_CACHE_SEL_SHIFT; @@ -285,7 +314,7 @@ int isa207_compute_mmcr(u64 event[], int n_ev, mmcr1 |= (cache & 1) << MMCR1_DC_QUAL_SHIFT; } - if (event[i] & EVENT_IS_MARKED) { + if (is_event_marked(event[i])) { mmcra |= MMCRA_SAMPLE_ENABLE; val = (event[i] >> EVENT_SAMPLE_SHIFT) & EVENT_SAMPLE_MASK; diff --git a/arch/powerpc/perf/isa207-common.h b/arch/powerpc/perf/isa207-common.h index cf9bd899..899210f 100644 --- a/arch/powerpc/perf/isa207-common.h +++ b/arch/powerpc/perf/isa207-common.h @@ -246,6 +246,7 @@ #define MMCRA_THR_CMP_SHIFT 32 #define MMCRA_SDAR_MODE_SHIFT 42 #define MMCRA_SDAR_MODE_TLB (1ull << MMCRA_SDAR_MODE_SHIFT) +#define MMCRA_SDAR_MODE_NO_UPDATES ~(0x3ull << MMCRA_SDAR_MODE_SHIFT) #define MMCRA_IFM_SHIFT 30 /* MMCR1 Threshold Compare bit constant for power9 */ diff --git a/arch/powerpc/platforms/powernv/opal.c b/arch/powerpc/platforms/powernv/opal.c index 86d9fde..e0f856b 100644 --- a/arch/powerpc/platforms/powernv/opal.c +++ b/arch/powerpc/platforms/powernv/opal.c @@ -395,7 +395,6 @@ static int opal_recover_mce(struct pt_regs *regs, struct machine_check_event *evt) { int recovered = 0; - uint64_t ea = get_mce_fault_addr(evt); if (!(regs->msr & MSR_RI)) { /* If MSR_RI isn't set, we cannot recover */ @@ -404,26 +403,18 @@ static int opal_recover_mce(struct pt_regs *regs, } else if (evt->disposition == MCE_DISPOSITION_RECOVERED) { /* Platform corrected itself */ recovered = 1; - } else if (ea && !is_kernel_addr(ea)) { + } else if (evt->severity == MCE_SEV_FATAL) { + /* Fatal machine check */ + pr_err("Machine check interrupt is fatal\n"); + recovered = 0; + } else if ((evt->severity == MCE_SEV_ERROR_SYNC) && + (user_mode(regs) && !is_global_init(current))) { /* - * Faulting address is not in kernel text. We should be fine. - * We need to find which process uses this address. * For now, kill the task if we have received exception when * in userspace. * * TODO: Queue up this address for hwpoisioning later. */ - if (user_mode(regs) && !is_global_init(current)) { - _exception(SIGBUS, regs, BUS_MCEERR_AR, regs->nip); - recovered = 1; - } else - recovered = 0; - } else if (user_mode(regs) && !is_global_init(current) && - evt->severity == MCE_SEV_ERROR_SYNC) { - /* - * If we have received a synchronous error when in userspace - * kill the task. - */ _exception(SIGBUS, regs, BUS_MCEERR_AR, regs->nip); recovered = 1; } diff --git a/arch/powerpc/platforms/powernv/pci-ioda.c b/arch/powerpc/platforms/powernv/pci-ioda.c index 6901a06..e367382 100644 --- a/arch/powerpc/platforms/powernv/pci-ioda.c +++ b/arch/powerpc/platforms/powernv/pci-ioda.c @@ -1775,17 +1775,20 @@ static u64 pnv_pci_ioda_dma_get_required_mask(struct pci_dev *pdev) } static void pnv_ioda_setup_bus_dma(struct pnv_ioda_pe *pe, - struct pci_bus *bus) + struct pci_bus *bus, + bool add_to_group) { struct pci_dev *dev; list_for_each_entry(dev, &bus->devices, bus_list) { set_iommu_table_base(&dev->dev, pe->table_group.tables[0]); set_dma_offset(&dev->dev, pe->tce_bypass_base); - iommu_add_device(&dev->dev); + if (add_to_group) + iommu_add_device(&dev->dev); if ((pe->flags & PNV_IODA_PE_BUS_ALL) && dev->subordinate) - pnv_ioda_setup_bus_dma(pe, dev->subordinate); + pnv_ioda_setup_bus_dma(pe, dev->subordinate, + add_to_group); } } @@ -2191,7 +2194,7 @@ found: set_iommu_table_base(&pe->pdev->dev, tbl); iommu_add_device(&pe->pdev->dev); } else if (pe->flags & (PNV_IODA_PE_BUS | PNV_IODA_PE_BUS_ALL)) - pnv_ioda_setup_bus_dma(pe, pe->pbus); + pnv_ioda_setup_bus_dma(pe, pe->pbus, true); return; fail: @@ -2426,6 +2429,8 @@ static void pnv_ioda2_take_ownership(struct iommu_table_group *table_group) pnv_pci_ioda2_set_bypass(pe, false); pnv_pci_ioda2_unset_window(&pe->table_group, 0); + if (pe->pbus) + pnv_ioda_setup_bus_dma(pe, pe->pbus, false); pnv_ioda2_table_free(tbl); } @@ -2435,6 +2440,8 @@ static void pnv_ioda2_release_ownership(struct iommu_table_group *table_group) table_group); pnv_pci_ioda2_setup_default_config(pe); + if (pe->pbus) + pnv_ioda_setup_bus_dma(pe, pe->pbus, false); } static struct iommu_table_group_ops pnv_pci_ioda2_ops = { @@ -2624,6 +2631,9 @@ static long pnv_pci_ioda2_table_alloc_pages(int nid, __u64 bus_offset, level_shift = entries_shift + 3; level_shift = max_t(unsigned, level_shift, PAGE_SHIFT); + if ((level_shift - 3) * levels + page_shift >= 60) + return -EINVAL; + /* Allocate TCE table */ addr = pnv_pci_ioda2_table_do_alloc_pages(nid, level_shift, levels, tce_table_size, &offset, &total_allocated); @@ -2728,7 +2738,7 @@ static void pnv_pci_ioda2_setup_dma_pe(struct pnv_phb *phb, if (pe->flags & PNV_IODA_PE_DEV) iommu_add_device(&pe->pdev->dev); else if (pe->flags & (PNV_IODA_PE_BUS | PNV_IODA_PE_BUS_ALL)) - pnv_ioda_setup_bus_dma(pe, pe->pbus); + pnv_ioda_setup_bus_dma(pe, pe->pbus, true); } #ifdef CONFIG_PCI_MSI diff --git a/arch/powerpc/platforms/pseries/lpar.c b/arch/powerpc/platforms/pseries/lpar.c index 251060c..8b1fe89 100644 --- a/arch/powerpc/platforms/pseries/lpar.c +++ b/arch/powerpc/platforms/pseries/lpar.c @@ -751,7 +751,9 @@ void __init hpte_init_pseries(void) mmu_hash_ops.flush_hash_range = pSeries_lpar_flush_hash_range; mmu_hash_ops.hpte_clear_all = pseries_hpte_clear_all; mmu_hash_ops.hugepage_invalidate = pSeries_lpar_hugepage_invalidate; - mmu_hash_ops.resize_hpt = pseries_lpar_resize_hpt; + + if (firmware_has_feature(FW_FEATURE_HPT_RESIZE)) + mmu_hash_ops.resize_hpt = pseries_lpar_resize_hpt; } void radix_init_pseries(void) diff --git a/arch/s390/boot/compressed/misc.c b/arch/s390/boot/compressed/misc.c index fa95041..33ca293 100644 --- a/arch/s390/boot/compressed/misc.c +++ b/arch/s390/boot/compressed/misc.c @@ -141,31 +141,34 @@ static void check_ipl_parmblock(void *start, unsigned long size) unsigned long decompress_kernel(void) { - unsigned long output_addr; - unsigned char *output; + void *output, *kernel_end; - output_addr = ((unsigned long) &_end + HEAP_SIZE + 4095UL) & -4096UL; - check_ipl_parmblock((void *) 0, output_addr + SZ__bss_start); - memset(&_bss, 0, &_ebss - &_bss); - free_mem_ptr = (unsigned long)&_end; - free_mem_end_ptr = free_mem_ptr + HEAP_SIZE; - output = (unsigned char *) output_addr; + output = (void *) ALIGN((unsigned long) &_end + HEAP_SIZE, PAGE_SIZE); + kernel_end = output + SZ__bss_start; + check_ipl_parmblock((void *) 0, (unsigned long) kernel_end); #ifdef CONFIG_BLK_DEV_INITRD /* * Move the initrd right behind the end of the decompressed - * kernel image. + * kernel image. This also prevents initrd corruption caused by + * bss clearing since kernel_end will always be located behind the + * current bss section.. */ - if (INITRD_START && INITRD_SIZE && - INITRD_START < (unsigned long) output + SZ__bss_start) { - check_ipl_parmblock(output + SZ__bss_start, - INITRD_START + INITRD_SIZE); - memmove(output + SZ__bss_start, - (void *) INITRD_START, INITRD_SIZE); - INITRD_START = (unsigned long) output + SZ__bss_start; + if (INITRD_START && INITRD_SIZE && kernel_end > (void *) INITRD_START) { + check_ipl_parmblock(kernel_end, INITRD_SIZE); + memmove(kernel_end, (void *) INITRD_START, INITRD_SIZE); + INITRD_START = (unsigned long) kernel_end; } #endif + /* + * Clear bss section. free_mem_ptr and free_mem_end_ptr need to be + * initialized afterwards since they reside in bss. + */ + memset(&_bss, 0, &_ebss - &_bss); + free_mem_ptr = (unsigned long) &_end; + free_mem_end_ptr = free_mem_ptr + HEAP_SIZE; + puts("Uncompressing Linux... "); __decompress(input_data, input_len, NULL, NULL, output, 0, NULL, error); puts("Ok, booting the kernel.\n"); diff --git a/arch/s390/include/asm/sections.h b/arch/s390/include/asm/sections.h index 5ce29fe..fbd9116 100644 --- a/arch/s390/include/asm/sections.h +++ b/arch/s390/include/asm/sections.h @@ -4,6 +4,5 @@ #include <asm-generic/sections.h> extern char _eshared[], _ehead[]; -extern char __start_ro_after_init[], __end_ro_after_init[]; #endif diff --git a/arch/s390/include/asm/uaccess.h b/arch/s390/include/asm/uaccess.h index 136932f..3ea1554 100644 --- a/arch/s390/include/asm/uaccess.h +++ b/arch/s390/include/asm/uaccess.h @@ -147,7 +147,7 @@ unsigned long __must_check __copy_to_user(void __user *to, const void *from, " jg 2b\n" \ ".popsection\n" \ EX_TABLE(0b,3b) EX_TABLE(1b,3b) \ - : "=d" (__rc), "=Q" (*(to)) \ + : "=d" (__rc), "+Q" (*(to)) \ : "d" (size), "Q" (*(from)), \ "d" (__reg0), "K" (-EFAULT) \ : "cc"); \ diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c index 47a973b..5dab859 100644 --- a/arch/s390/kernel/smp.c +++ b/arch/s390/kernel/smp.c @@ -909,13 +909,11 @@ void __init smp_prepare_boot_cpu(void) { struct pcpu *pcpu = pcpu_devices; + WARN_ON(!cpu_present(0) || !cpu_online(0)); pcpu->state = CPU_STATE_CONFIGURED; - pcpu->address = stap(); pcpu->lowcore = (struct lowcore *)(unsigned long) store_prefix(); S390_lowcore.percpu_offset = __per_cpu_offset[0]; smp_cpu_set_polarization(0, POLARIZATION_UNKNOWN); - set_cpu_present(0, true); - set_cpu_online(0, true); } void __init smp_cpus_done(unsigned int max_cpus) @@ -924,6 +922,7 @@ void __init smp_cpus_done(unsigned int max_cpus) void __init smp_setup_processor_id(void) { + pcpu_devices[0].address = stap(); S390_lowcore.cpu_nr = 0; S390_lowcore.spinlock_lockval = arch_spin_lockval(0); } diff --git a/arch/s390/kernel/vmlinux.lds.S b/arch/s390/kernel/vmlinux.lds.S index 5ccf953..72307f1 100644 --- a/arch/s390/kernel/vmlinux.lds.S +++ b/arch/s390/kernel/vmlinux.lds.S @@ -63,11 +63,9 @@ SECTIONS . = ALIGN(PAGE_SIZE); __start_ro_after_init = .; - __start_data_ro_after_init = .; .data..ro_after_init : { *(.data..ro_after_init) } - __end_data_ro_after_init = .; EXCEPTION_TABLE(16) . = ALIGN(PAGE_SIZE); __end_ro_after_init = .; diff --git a/arch/s390/kvm/gaccess.c b/arch/s390/kvm/gaccess.c index d55c829..ddbffb7 100644 --- a/arch/s390/kvm/gaccess.c +++ b/arch/s390/kvm/gaccess.c @@ -168,8 +168,7 @@ union page_table_entry { unsigned long z : 1; /* Zero Bit */ unsigned long i : 1; /* Page-Invalid Bit */ unsigned long p : 1; /* DAT-Protection Bit */ - unsigned long co : 1; /* Change-Recording Override */ - unsigned long : 8; + unsigned long : 9; }; }; @@ -745,8 +744,6 @@ static unsigned long guest_translate(struct kvm_vcpu *vcpu, unsigned long gva, return PGM_PAGE_TRANSLATION; if (pte.z) return PGM_TRANSLATION_SPEC; - if (pte.co && !edat1) - return PGM_TRANSLATION_SPEC; dat_protection |= pte.p; raddr.pfra = pte.pfra; real_address: @@ -1182,7 +1179,7 @@ int kvm_s390_shadow_fault(struct kvm_vcpu *vcpu, struct gmap *sg, rc = gmap_read_table(sg->parent, pgt + vaddr.px * 8, &pte.val); if (!rc && pte.i) rc = PGM_PAGE_TRANSLATION; - if (!rc && (pte.z || (pte.co && sg->edat_level < 1))) + if (!rc && pte.z) rc = PGM_TRANSLATION_SPEC; shadow_page: pte.p |= dat_protection; diff --git a/arch/sparc/include/asm/page_64.h b/arch/sparc/include/asm/page_64.h index f294dd4..5961b2d 100644 --- a/arch/sparc/include/asm/page_64.h +++ b/arch/sparc/include/asm/page_64.h @@ -17,6 +17,7 @@ #define HPAGE_SHIFT 23 #define REAL_HPAGE_SHIFT 22 +#define HPAGE_2GB_SHIFT 31 #define HPAGE_256MB_SHIFT 28 #define HPAGE_64K_SHIFT 16 #define REAL_HPAGE_SIZE (_AC(1,UL) << REAL_HPAGE_SHIFT) @@ -27,7 +28,7 @@ #define HUGETLB_PAGE_ORDER (HPAGE_SHIFT - PAGE_SHIFT) #define HAVE_ARCH_HUGETLB_UNMAPPED_AREA #define REAL_HPAGE_PER_HPAGE (_AC(1,UL) << (HPAGE_SHIFT - REAL_HPAGE_SHIFT)) -#define HUGE_MAX_HSTATE 3 +#define HUGE_MAX_HSTATE 4 #endif #ifndef __ASSEMBLY__ diff --git a/arch/sparc/include/asm/pgtable_64.h b/arch/sparc/include/asm/pgtable_64.h index 8a59852..6fbd931 100644 --- a/arch/sparc/include/asm/pgtable_64.h +++ b/arch/sparc/include/asm/pgtable_64.h @@ -679,26 +679,27 @@ static inline unsigned long pmd_pfn(pmd_t pmd) return pte_pfn(pte); } -#ifdef CONFIG_TRANSPARENT_HUGEPAGE -static inline unsigned long pmd_dirty(pmd_t pmd) +#define __HAVE_ARCH_PMD_WRITE +static inline unsigned long pmd_write(pmd_t pmd) { pte_t pte = __pte(pmd_val(pmd)); - return pte_dirty(pte); + return pte_write(pte); } -static inline unsigned long pmd_young(pmd_t pmd) +#ifdef CONFIG_TRANSPARENT_HUGEPAGE +static inline unsigned long pmd_dirty(pmd_t pmd) { pte_t pte = __pte(pmd_val(pmd)); - return pte_young(pte); + return pte_dirty(pte); } -static inline unsigned long pmd_write(pmd_t pmd) +static inline unsigned long pmd_young(pmd_t pmd) { pte_t pte = __pte(pmd_val(pmd)); - return pte_write(pte); + return pte_young(pte); } static inline unsigned long pmd_trans_huge(pmd_t pmd) diff --git a/arch/sparc/include/asm/processor_32.h b/arch/sparc/include/asm/processor_32.h index 365d4cb..dd27159 100644 --- a/arch/sparc/include/asm/processor_32.h +++ b/arch/sparc/include/asm/processor_32.h @@ -18,12 +18,6 @@ #include <asm/signal.h> #include <asm/page.h> -/* - * The sparc has no problems with write protection - */ -#define wp_works_ok 1 -#define wp_works_ok__is_a_macro /* for versions in ksyms.c */ - /* Whee, this is STACK_TOP + PAGE_SIZE and the lowest kernel address too... * That one page is used to protect kernel from intruders, so that * we can make our access_ok test faster diff --git a/arch/sparc/include/asm/processor_64.h b/arch/sparc/include/asm/processor_64.h index 6448cfc..b58ee90 100644 --- a/arch/sparc/include/asm/processor_64.h +++ b/arch/sparc/include/asm/processor_64.h @@ -18,10 +18,6 @@ #include <asm/ptrace.h> #include <asm/page.h> -/* The sparc has no problems with write protection */ -#define wp_works_ok 1 -#define wp_works_ok__is_a_macro /* for versions in ksyms.c */ - /* * User lives in his very own context, and cannot reference us. Note * that TASK_SIZE is a misnomer, it really gives maximum user virtual diff --git a/arch/sparc/kernel/head_64.S b/arch/sparc/kernel/head_64.S index 6aa3da1..4410119 100644 --- a/arch/sparc/kernel/head_64.S +++ b/arch/sparc/kernel/head_64.S @@ -96,6 +96,7 @@ sparc64_boot: andn %g1, PSTATE_AM, %g1 wrpr %g1, 0x0, %pstate ba,a,pt %xcc, 1f + nop .globl prom_finddev_name, prom_chosen_path, prom_root_node .globl prom_getprop_name, prom_mmu_name, prom_peer_name @@ -613,6 +614,7 @@ niagara_tlb_fixup: nop ba,a,pt %xcc, 80f + nop niagara4_patch: call niagara4_patch_copyops nop @@ -622,6 +624,7 @@ niagara4_patch: nop ba,a,pt %xcc, 80f + nop niagara2_patch: call niagara2_patch_copyops @@ -632,6 +635,7 @@ niagara2_patch: nop ba,a,pt %xcc, 80f + nop niagara_patch: call niagara_patch_copyops diff --git a/arch/sparc/kernel/misctrap.S b/arch/sparc/kernel/misctrap.S index 34b4933..9276d2f 100644 --- a/arch/sparc/kernel/misctrap.S +++ b/arch/sparc/kernel/misctrap.S @@ -82,6 +82,7 @@ do_stdfmna: call handle_stdfmna add %sp, PTREGS_OFF, %o0 ba,a,pt %xcc, rtrap + nop .size do_stdfmna,.-do_stdfmna .type breakpoint_trap,#function diff --git a/arch/sparc/kernel/ptrace_64.c b/arch/sparc/kernel/ptrace_64.c index df9e731..fc5124c 100644 --- a/arch/sparc/kernel/ptrace_64.c +++ b/arch/sparc/kernel/ptrace_64.c @@ -351,7 +351,7 @@ static int genregs64_set(struct task_struct *target, } if (!ret) { - unsigned long y; + unsigned long y = regs->y; ret = user_regset_copyin(&pos, &count, &kbuf, &ubuf, &y, diff --git a/arch/sparc/kernel/rtrap_64.S b/arch/sparc/kernel/rtrap_64.S index 216948c..709a82e 100644 --- a/arch/sparc/kernel/rtrap_64.S +++ b/arch/sparc/kernel/rtrap_64.S @@ -237,6 +237,7 @@ rt_continue: ldx [%sp + PTREGS_OFF + PT_V9_G1], %g1 bne,pt %xcc, user_rtt_fill_32bit wrpr %g1, %cwp ba,a,pt %xcc, user_rtt_fill_64bit + nop user_rtt_fill_fixup_dax: ba,pt %xcc, user_rtt_fill_fixup_common diff --git a/arch/sparc/kernel/spiterrs.S b/arch/sparc/kernel/spiterrs.S index 4a73009..d7e5408 100644 --- a/arch/sparc/kernel/spiterrs.S +++ b/arch/sparc/kernel/spiterrs.S @@ -86,6 +86,7 @@ __spitfire_cee_trap_continue: rd %pc, %g7 ba,a,pt %xcc, 2f + nop 1: ba,pt %xcc, etrap_irq rd %pc, %g7 diff --git a/arch/sparc/kernel/sun4v_tlb_miss.S b/arch/sparc/kernel/sun4v_tlb_miss.S index 6179e19..c19f352 100644 --- a/arch/sparc/kernel/sun4v_tlb_miss.S +++ b/arch/sparc/kernel/sun4v_tlb_miss.S @@ -352,6 +352,7 @@ sun4v_mna: call sun4v_do_mna add %sp, PTREGS_OFF, %o0 ba,a,pt %xcc, rtrap + nop /* Privileged Action. */ sun4v_privact: diff --git a/arch/sparc/kernel/urtt_fill.S b/arch/sparc/kernel/urtt_fill.S index 5604a2b0..364af32 100644 --- a/arch/sparc/kernel/urtt_fill.S +++ b/arch/sparc/kernel/urtt_fill.S @@ -92,6 +92,7 @@ user_rtt_fill_fixup_common: call sun4v_data_access_exception nop ba,a,pt %xcc, rtrap + nop 1: call spitfire_data_access_exception nop diff --git a/arch/sparc/kernel/winfixup.S b/arch/sparc/kernel/winfixup.S index 855019a..1ee173c 100644 --- a/arch/sparc/kernel/winfixup.S +++ b/arch/sparc/kernel/winfixup.S @@ -152,6 +152,8 @@ fill_fixup_dax: call sun4v_data_access_exception nop ba,a,pt %xcc, rtrap + nop 1: call spitfire_data_access_exception nop ba,a,pt %xcc, rtrap + nop diff --git a/arch/sparc/lib/NG2memcpy.S b/arch/sparc/lib/NG2memcpy.S index c629dbd..64dcd6c 100644 --- a/arch/sparc/lib/NG2memcpy.S +++ b/arch/sparc/lib/NG2memcpy.S @@ -326,11 +326,13 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */ blu 170f nop ba,a,pt %xcc, 180f + nop 4: /* 32 <= low bits < 48 */ blu 150f nop ba,a,pt %xcc, 160f + nop 5: /* 0 < low bits < 32 */ blu,a 6f cmp %g2, 8 @@ -338,6 +340,7 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */ blu 130f nop ba,a,pt %xcc, 140f + nop 6: /* 0 < low bits < 16 */ bgeu 120f nop @@ -475,6 +478,7 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */ brz,pt %o2, 85f sub %o0, %o1, GLOBAL_SPARE ba,a,pt %XCC, 90f + nop .align 64 75: /* 16 < len <= 64 */ diff --git a/arch/sparc/lib/NG4memcpy.S b/arch/sparc/lib/NG4memcpy.S index 75bb93b..78ea962 100644 --- a/arch/sparc/lib/NG4memcpy.S +++ b/arch/sparc/lib/NG4memcpy.S @@ -530,4 +530,5 @@ FUNC_NAME: /* %o0=dst, %o1=src, %o2=len */ bne,pt %icc, 1b EX_ST(STORE(stb, %g1, %o0 - 0x01), NG4_retl_o2_plus_1) ba,a,pt %icc, .Lexit + nop .size FUNC_NAME, .-FUNC_NAME diff --git a/arch/sparc/lib/NG4memset.S b/arch/sparc/lib/NG4memset.S index 41da4bd..7c0c81f 100644 --- a/arch/sparc/lib/NG4memset.S +++ b/arch/sparc/lib/NG4memset.S @@ -102,4 +102,5 @@ NG4bzero: bne,pt %icc, 1b add %o0, 0x30, %o0 ba,a,pt %icc, .Lpostloop + nop .size NG4bzero,.-NG4bzero diff --git a/arch/sparc/lib/NGmemcpy.S b/arch/sparc/lib/NGmemcpy.S index d88c4ed..cd654a7 100644 --- a/arch/sparc/lib/NGmemcpy.S +++ b/arch/sparc/lib/NGmemcpy.S @@ -394,6 +394,7 @@ FUNC_NAME: /* %i0=dst, %i1=src, %i2=len */ brz,pt %i2, 85f sub %o0, %i1, %i3 ba,a,pt %XCC, 90f + nop .align 64 70: /* 16 < len <= 64 */ diff --git a/arch/sparc/mm/hugetlbpage.c b/arch/sparc/mm/hugetlbpage.c index 323bc6b..ee5273a 100644 --- a/arch/sparc/mm/hugetlbpage.c +++ b/arch/sparc/mm/hugetlbpage.c @@ -143,6 +143,10 @@ static pte_t sun4v_hugepage_shift_to_tte(pte_t entry, unsigned int shift) pte_val(entry) = pte_val(entry) & ~_PAGE_SZALL_4V; switch (shift) { + case HPAGE_2GB_SHIFT: + hugepage_size = _PAGE_SZ2GB_4V; + pte_val(entry) |= _PAGE_PMD_HUGE; + break; case HPAGE_256MB_SHIFT: hugepage_size = _PAGE_SZ256MB_4V; pte_val(entry) |= _PAGE_PMD_HUGE; @@ -183,6 +187,9 @@ static unsigned int sun4v_huge_tte_to_shift(pte_t entry) unsigned int shift; switch (tte_szbits) { + case _PAGE_SZ2GB_4V: + shift = HPAGE_2GB_SHIFT; + break; case _PAGE_SZ256MB_4V: shift = HPAGE_256MB_SHIFT; break; @@ -261,7 +268,7 @@ pte_t *huge_pte_alloc(struct mm_struct *mm, if (!pmd) return NULL; - if (sz == PMD_SHIFT) + if (sz >= PMD_SIZE) pte = (pte_t *)pmd; else pte = pte_alloc_map(mm, pmd, addr); diff --git a/arch/sparc/mm/init_64.c b/arch/sparc/mm/init_64.c index ccd4553..0cda653 100644 --- a/arch/sparc/mm/init_64.c +++ b/arch/sparc/mm/init_64.c @@ -337,6 +337,10 @@ static int __init setup_hugepagesz(char *string) hugepage_shift = ilog2(hugepage_size); switch (hugepage_shift) { + case HPAGE_2GB_SHIFT: + hv_pgsz_mask = HV_PGSZ_MASK_2GB; + hv_pgsz_idx = HV_PGSZ_IDX_2GB; + break; case HPAGE_256MB_SHIFT: hv_pgsz_mask = HV_PGSZ_MASK_256MB; hv_pgsz_idx = HV_PGSZ_IDX_256MB; @@ -1563,7 +1567,7 @@ bool kern_addr_valid(unsigned long addr) if ((long)addr < 0L) { unsigned long pa = __pa(addr); - if ((addr >> max_phys_bits) != 0UL) + if ((pa >> max_phys_bits) != 0UL) return false; return pfn_valid(pa >> PAGE_SHIFT); diff --git a/arch/sparc/mm/srmmu.c b/arch/sparc/mm/srmmu.c index def82f6..8e76ebb 100644 --- a/arch/sparc/mm/srmmu.c +++ b/arch/sparc/mm/srmmu.c @@ -54,6 +54,7 @@ enum mbus_module srmmu_modtype; static unsigned int hwbug_bitmask; int vac_cache_size; +EXPORT_SYMBOL(vac_cache_size); int vac_line_size; extern struct resource sparc_iomap; diff --git a/arch/sparc/mm/tlb.c b/arch/sparc/mm/tlb.c index afda3bb..ee8066c 100644 --- a/arch/sparc/mm/tlb.c +++ b/arch/sparc/mm/tlb.c @@ -154,7 +154,7 @@ static void tlb_batch_pmd_scan(struct mm_struct *mm, unsigned long vaddr, if (pte_val(*pte) & _PAGE_VALID) { bool exec = pte_exec(*pte); - tlb_batch_add_one(mm, vaddr, exec, false); + tlb_batch_add_one(mm, vaddr, exec, PAGE_SHIFT); } pte++; vaddr += PAGE_SIZE; @@ -209,9 +209,9 @@ void set_pmd_at(struct mm_struct *mm, unsigned long addr, pte_t orig_pte = __pte(pmd_val(orig)); bool exec = pte_exec(orig_pte); - tlb_batch_add_one(mm, addr, exec, true); + tlb_batch_add_one(mm, addr, exec, REAL_HPAGE_SHIFT); tlb_batch_add_one(mm, addr + REAL_HPAGE_SIZE, exec, - true); + REAL_HPAGE_SHIFT); } else { tlb_batch_pmd_scan(mm, addr, orig); } diff --git a/arch/sparc/mm/tsb.c b/arch/sparc/mm/tsb.c index 0a04811..bedf08b 100644 --- a/arch/sparc/mm/tsb.c +++ b/arch/sparc/mm/tsb.c @@ -122,7 +122,7 @@ void flush_tsb_user(struct tlb_batch *tb) spin_lock_irqsave(&mm->context.lock, flags); - if (tb->hugepage_shift < HPAGE_SHIFT) { + if (tb->hugepage_shift < REAL_HPAGE_SHIFT) { base = (unsigned long) mm->context.tsb_block[MM_TSB_BASE].tsb; nentries = mm->context.tsb_block[MM_TSB_BASE].tsb_nentries; if (tlb_type == cheetah_plus || tlb_type == hypervisor) @@ -155,7 +155,7 @@ void flush_tsb_user_page(struct mm_struct *mm, unsigned long vaddr, spin_lock_irqsave(&mm->context.lock, flags); - if (hugepage_shift < HPAGE_SHIFT) { + if (hugepage_shift < REAL_HPAGE_SHIFT) { base = (unsigned long) mm->context.tsb_block[MM_TSB_BASE].tsb; nentries = mm->context.tsb_block[MM_TSB_BASE].tsb_nentries; if (tlb_type == cheetah_plus || tlb_type == hypervisor) diff --git a/arch/x86/Makefile b/arch/x86/Makefile index 2d44933..a94a4d1 100644 --- a/arch/x86/Makefile +++ b/arch/x86/Makefile @@ -120,10 +120,6 @@ else # -funit-at-a-time shrinks the kernel .text considerably # unfortunately it makes reading oopses harder. KBUILD_CFLAGS += $(call cc-option,-funit-at-a-time) - - # this works around some issues with generating unwind tables in older gccs - # newer gccs do it by default - KBUILD_CFLAGS += $(call cc-option,-maccumulate-outgoing-args) endif ifdef CONFIG_X86_X32 @@ -147,6 +143,37 @@ ifeq ($(CONFIG_KMEMCHECK),y) KBUILD_CFLAGS += $(call cc-option,-fno-builtin-memcpy) endif +# +# If the function graph tracer is used with mcount instead of fentry, +# '-maccumulate-outgoing-args' is needed to prevent a GCC bug +# (https://gcc.gnu.org/bugzilla/show_bug.cgi?id=42109) +# +ifdef CONFIG_FUNCTION_GRAPH_TRACER + ifndef CONFIG_HAVE_FENTRY + ACCUMULATE_OUTGOING_ARGS := 1 + else + ifeq ($(call cc-option-yn, -mfentry), n) + ACCUMULATE_OUTGOING_ARGS := 1 + endif + endif +endif + +# +# Jump labels need '-maccumulate-outgoing-args' for gcc < 4.5.2 to prevent a +# GCC bug (https://gcc.gnu.org/bugzilla/show_bug.cgi?id=46226). There's no way +# to test for this bug at compile-time because the test case needs to execute, +# which is a no-go for cross compilers. So check the GCC version instead. +# +ifdef CONFIG_JUMP_LABEL + ifneq ($(ACCUMULATE_OUTGOING_ARGS), 1) + ACCUMULATE_OUTGOING_ARGS = $(call cc-if-fullversion, -lt, 040502, 1) + endif +endif + +ifeq ($(ACCUMULATE_OUTGOING_ARGS), 1) + KBUILD_CFLAGS += -maccumulate-outgoing-args +endif + # Stackpointer is addressed different for 32 bit and 64 bit x86 sp-$(CONFIG_X86_32) := esp sp-$(CONFIG_X86_64) := rsp diff --git a/arch/x86/Makefile_32.cpu b/arch/x86/Makefile_32.cpu index 6647ed4..a45eb15 100644 --- a/arch/x86/Makefile_32.cpu +++ b/arch/x86/Makefile_32.cpu @@ -45,24 +45,6 @@ cflags-$(CONFIG_MGEODE_LX) += $(call cc-option,-march=geode,-march=pentium-mmx) # cpu entries cflags-$(CONFIG_X86_GENERIC) += $(call tune,generic,$(call tune,i686)) -# Work around the pentium-mmx code generator madness of gcc4.4.x which -# does stack alignment by generating horrible code _before_ the mcount -# prologue (push %ebp, mov %esp, %ebp) which breaks the function graph -# tracer assumptions. For i686, generic, core2 this is set by the -# compiler anyway -ifeq ($(CONFIG_FUNCTION_GRAPH_TRACER), y) -ADD_ACCUMULATE_OUTGOING_ARGS := y -endif - -# Work around to a bug with asm goto with first implementations of it -# in gcc causing gcc to mess up the push and pop of the stack in some -# uses of asm goto. -ifeq ($(CONFIG_JUMP_LABEL), y) -ADD_ACCUMULATE_OUTGOING_ARGS := y -endif - -cflags-$(ADD_ACCUMULATE_OUTGOING_ARGS) += $(call cc-option,-maccumulate-outgoing-args) - # Bug fix for binutils: this option is required in order to keep # binutils from generating NOPL instructions against our will. ifneq ($(CONFIG_X86_P6_NOP),y) diff --git a/arch/x86/boot/compressed/error.c b/arch/x86/boot/compressed/error.c index 6248740..3192202 100644 --- a/arch/x86/boot/compressed/error.c +++ b/arch/x86/boot/compressed/error.c @@ -4,6 +4,7 @@ * memcpy() and memmove() are defined for the compressed boot environment. */ #include "misc.h" +#include "error.h" void warn(char *m) { diff --git a/arch/x86/entry/vdso/vdso32-setup.c b/arch/x86/entry/vdso/vdso32-setup.c index 7853b53..3f9d1a8 100644 --- a/arch/x86/entry/vdso/vdso32-setup.c +++ b/arch/x86/entry/vdso/vdso32-setup.c @@ -30,8 +30,10 @@ static int __init vdso32_setup(char *s) { vdso32_enabled = simple_strtoul(s, NULL, 0); - if (vdso32_enabled > 1) + if (vdso32_enabled > 1) { pr_warn("vdso32 values other than 0 and 1 are no longer allowed; vdso disabled\n"); + vdso32_enabled = 0; + } return 1; } @@ -62,13 +64,18 @@ subsys_initcall(sysenter_setup); /* Register vsyscall32 into the ABI table */ #include <linux/sysctl.h> +static const int zero; +static const int one = 1; + static struct ctl_table abi_table2[] = { { .procname = "vsyscall32", .data = &vdso32_enabled, .maxlen = sizeof(int), .mode = 0644, - .proc_handler = proc_dointvec + .proc_handler = proc_dointvec_minmax, + .extra1 = (int *)&zero, + .extra2 = (int *)&one, }, {} }; diff --git a/arch/x86/events/core.c b/arch/x86/events/core.c index 349d4d1..580b60f 100644 --- a/arch/x86/events/core.c +++ b/arch/x86/events/core.c @@ -2101,8 +2101,8 @@ static int x86_pmu_event_init(struct perf_event *event) static void refresh_pce(void *ignored) { - if (current->mm) - load_mm_cr4(current->mm); + if (current->active_mm) + load_mm_cr4(current->active_mm); } static void x86_pmu_event_mapped(struct perf_event *event) @@ -2110,6 +2110,18 @@ static void x86_pmu_event_mapped(struct perf_event *event) if (!(event->hw.flags & PERF_X86_EVENT_RDPMC_ALLOWED)) return; + /* + * This function relies on not being called concurrently in two + * tasks in the same mm. Otherwise one task could observe + * perf_rdpmc_allowed > 1 and return all the way back to + * userspace with CR4.PCE clear while another task is still + * doing on_each_cpu_mask() to propagate CR4.PCE. + * + * For now, this can't happen because all callers hold mmap_sem + * for write. If this changes, we'll need a different solution. + */ + lockdep_assert_held_exclusive(¤t->mm->mmap_sem); + if (atomic_inc_return(¤t->mm->context.perf_rdpmc_allowed) == 1) on_each_cpu_mask(mm_cpumask(current->mm), refresh_pce, NULL, 1); } @@ -2244,6 +2256,7 @@ void arch_perf_update_userpage(struct perf_event *event, struct perf_event_mmap_page *userpg, u64 now) { struct cyc2ns_data *data; + u64 offset; userpg->cap_user_time = 0; userpg->cap_user_time_zero = 0; @@ -2251,11 +2264,13 @@ void arch_perf_update_userpage(struct perf_event *event, !!(event->hw.flags & PERF_X86_EVENT_RDPMC_ALLOWED); userpg->pmc_width = x86_pmu.cntval_bits; - if (!sched_clock_stable()) + if (!using_native_sched_clock() || !sched_clock_stable()) return; data = cyc2ns_read_begin(); + offset = data->cyc2ns_offset + __sched_clock_offset; + /* * Internal timekeeping for enabled/running/stopped times * is always in the local_clock domain. @@ -2263,7 +2278,7 @@ void arch_perf_update_userpage(struct perf_event *event, userpg->cap_user_time = 1; userpg->time_mult = data->cyc2ns_mul; userpg->time_shift = data->cyc2ns_shift; - userpg->time_offset = data->cyc2ns_offset - now; + userpg->time_offset = offset - now; /* * cap_user_time_zero doesn't make sense when we're using a different @@ -2271,7 +2286,7 @@ void arch_perf_update_userpage(struct perf_event *event, */ if (!event->attr.use_clockid) { userpg->cap_user_time_zero = 1; - userpg->time_zero = data->cyc2ns_offset; + userpg->time_zero = offset; } cyc2ns_read_end(data); diff --git a/arch/x86/events/intel/lbr.c b/arch/x86/events/intel/lbr.c index 81b321a..f924629 100644 --- a/arch/x86/events/intel/lbr.c +++ b/arch/x86/events/intel/lbr.c @@ -507,6 +507,9 @@ static void intel_pmu_lbr_read_32(struct cpu_hw_events *cpuc) cpuc->lbr_entries[i].to = msr_lastbranch.to; cpuc->lbr_entries[i].mispred = 0; cpuc->lbr_entries[i].predicted = 0; + cpuc->lbr_entries[i].in_tx = 0; + cpuc->lbr_entries[i].abort = 0; + cpuc->lbr_entries[i].cycles = 0; cpuc->lbr_entries[i].reserved = 0; } cpuc->lbr_stack.nr = i; diff --git a/arch/x86/include/asm/elf.h b/arch/x86/include/asm/elf.h index 9d49c18..3762536 100644 --- a/arch/x86/include/asm/elf.h +++ b/arch/x86/include/asm/elf.h @@ -287,7 +287,7 @@ struct task_struct; #define ARCH_DLINFO_IA32 \ do { \ - if (vdso32_enabled) { \ + if (VDSO_CURRENT_BASE) { \ NEW_AUX_ENT(AT_SYSINFO, VDSO_ENTRY); \ NEW_AUX_ENT(AT_SYSINFO_EHDR, VDSO_CURRENT_BASE); \ } \ diff --git a/arch/x86/include/asm/kvm_page_track.h b/arch/x86/include/asm/kvm_page_track.h index d74747b..c4eda79 100644 --- a/arch/x86/include/asm/kvm_page_track.h +++ b/arch/x86/include/asm/kvm_page_track.h @@ -46,6 +46,7 @@ struct kvm_page_track_notifier_node { }; void kvm_page_track_init(struct kvm *kvm); +void kvm_page_track_cleanup(struct kvm *kvm); void kvm_page_track_free_memslot(struct kvm_memory_slot *free, struct kvm_memory_slot *dont); diff --git a/arch/x86/include/asm/pgtable-3level.h b/arch/x86/include/asm/pgtable-3level.h index 72277b1..50d35e3 100644 --- a/arch/x86/include/asm/pgtable-3level.h +++ b/arch/x86/include/asm/pgtable-3level.h @@ -121,12 +121,9 @@ static inline void native_pmd_clear(pmd_t *pmd) *(tmp + 1) = 0; } -#if !defined(CONFIG_SMP) || (defined(CONFIG_HIGHMEM64G) && \ - defined(CONFIG_PARAVIRT)) static inline void native_pud_clear(pud_t *pudp) { } -#endif static inline void pud_clear(pud_t *pudp) { diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h index 1cfb36b..585ee0d 100644 --- a/arch/x86/include/asm/pgtable.h +++ b/arch/x86/include/asm/pgtable.h @@ -62,7 +62,7 @@ extern struct mm_struct *pgd_page_get_mm(struct page *page); # define set_pud(pudp, pud) native_set_pud(pudp, pud) #endif -#ifndef __PAGETABLE_PMD_FOLDED +#ifndef __PAGETABLE_PUD_FOLDED #define pud_clear(pud) native_pud_clear(pud) #endif diff --git a/arch/x86/include/asm/pmem.h b/arch/x86/include/asm/pmem.h index 2c1ebeb..529bb4a 100644 --- a/arch/x86/include/asm/pmem.h +++ b/arch/x86/include/asm/pmem.h @@ -55,7 +55,8 @@ static inline int arch_memcpy_from_pmem(void *dst, const void *src, size_t n) * @size: number of bytes to write back * * Write back a cache range using the CLWB (cache line write back) - * instruction. + * instruction. Note that @size is internally rounded up to be cache + * line size aligned. */ static inline void arch_wb_cache_pmem(void *addr, size_t size) { @@ -69,15 +70,6 @@ static inline void arch_wb_cache_pmem(void *addr, size_t size) clwb(p); } -/* - * copy_from_iter_nocache() on x86 only uses non-temporal stores for iovec - * iterators, so for other types (bvec & kvec) we must do a cache write-back. - */ -static inline bool __iter_needs_pmem_wb(struct iov_iter *i) -{ - return iter_is_iovec(i) == false; -} - /** * arch_copy_from_iter_pmem - copy data from an iterator to PMEM * @addr: PMEM destination address @@ -94,7 +86,35 @@ static inline size_t arch_copy_from_iter_pmem(void *addr, size_t bytes, /* TODO: skip the write-back by always using non-temporal stores */ len = copy_from_iter_nocache(addr, bytes, i); - if (__iter_needs_pmem_wb(i)) + /* + * In the iovec case on x86_64 copy_from_iter_nocache() uses + * non-temporal stores for the bulk of the transfer, but we need + * to manually flush if the transfer is unaligned. A cached + * memory copy is used when destination or size is not naturally + * aligned. That is: + * - Require 8-byte alignment when size is 8 bytes or larger. + * - Require 4-byte alignment when size is 4 bytes. + * + * In the non-iovec case the entire destination needs to be + * flushed. + */ + if (iter_is_iovec(i)) { + unsigned long flushed, dest = (unsigned long) addr; + + if (bytes < 8) { + if (!IS_ALIGNED(dest, 4) || (bytes != 4)) + arch_wb_cache_pmem(addr, 1); + } else { + if (!IS_ALIGNED(dest, 8)) { + dest = ALIGN(dest, boot_cpu_data.x86_clflush_size); + arch_wb_cache_pmem(addr, 1); + } + + flushed = dest - (unsigned long) addr; + if (bytes > flushed && !IS_ALIGNED(bytes - flushed, 8)) + arch_wb_cache_pmem(addr + bytes - 1, 1); + } + } else arch_wb_cache_pmem(addr, bytes); return len; diff --git a/arch/x86/include/asm/timer.h b/arch/x86/include/asm/timer.h index a04eabd..27e9f9d 100644 --- a/arch/x86/include/asm/timer.h +++ b/arch/x86/include/asm/timer.h @@ -12,6 +12,8 @@ extern int recalibrate_cpu_khz(void); extern int no_timer_check; +extern bool using_native_sched_clock(void); + /* * We use the full linear equation: f(x) = a + b*x, in order to allow * a continuous function in the face of dynamic freq changes. diff --git a/arch/x86/include/asm/uv/uv_hub.h b/arch/x86/include/asm/uv/uv_hub.h index 72e8300..9cffb44 100644 --- a/arch/x86/include/asm/uv/uv_hub.h +++ b/arch/x86/include/asm/uv/uv_hub.h @@ -485,15 +485,17 @@ static inline unsigned long uv_soc_phys_ram_to_gpa(unsigned long paddr) if (paddr < uv_hub_info->lowmem_remap_top) paddr |= uv_hub_info->lowmem_remap_base; - paddr |= uv_hub_info->gnode_upper; - if (m_val) + + if (m_val) { + paddr |= uv_hub_info->gnode_upper; paddr = ((paddr << uv_hub_info->m_shift) >> uv_hub_info->m_shift) | ((paddr >> uv_hub_info->m_val) << uv_hub_info->n_lshift); - else + } else { paddr |= uv_soc_phys_ram_to_nasid(paddr) << uv_hub_info->gpa_shift; + } return paddr; } diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c index ae32838..b2879cc23 100644 --- a/arch/x86/kernel/acpi/boot.c +++ b/arch/x86/kernel/acpi/boot.c @@ -179,10 +179,15 @@ static int acpi_register_lapic(int id, u32 acpiid, u8 enabled) return -EINVAL; } + if (!enabled) { + ++disabled_cpus; + return -EINVAL; + } + if (boot_cpu_physical_apicid != -1U) ver = boot_cpu_apic_version; - cpu = __generic_processor_info(id, ver, enabled); + cpu = generic_processor_info(id, ver); if (cpu >= 0) early_per_cpu(x86_cpu_to_acpiid, cpu) = acpiid; @@ -710,7 +715,7 @@ static void __init acpi_set_irq_model_ioapic(void) #ifdef CONFIG_ACPI_HOTPLUG_CPU #include <acpi/processor.h> -int acpi_map_cpu2node(acpi_handle handle, int cpu, int physid) +static int acpi_map_cpu2node(acpi_handle handle, int cpu, int physid) { #ifdef CONFIG_ACPI_NUMA int nid; diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c index aee7ded..8ccb7ef 100644 --- a/arch/x86/kernel/apic/apic.c +++ b/arch/x86/kernel/apic/apic.c @@ -2063,7 +2063,7 @@ static int allocate_logical_cpuid(int apicid) return nr_logical_cpuids++; } -int __generic_processor_info(int apicid, int version, bool enabled) +int generic_processor_info(int apicid, int version) { int cpu, max = nr_cpu_ids; bool boot_cpu_detected = physid_isset(boot_cpu_physical_apicid, @@ -2121,11 +2121,9 @@ int __generic_processor_info(int apicid, int version, bool enabled) if (num_processors >= nr_cpu_ids) { int thiscpu = max + disabled_cpus; - if (enabled) { - pr_warning("APIC: NR_CPUS/possible_cpus limit of %i " - "reached. Processor %d/0x%x ignored.\n", - max, thiscpu, apicid); - } + pr_warning("APIC: NR_CPUS/possible_cpus limit of %i " + "reached. Processor %d/0x%x ignored.\n", + max, thiscpu, apicid); disabled_cpus++; return -EINVAL; @@ -2177,23 +2175,13 @@ int __generic_processor_info(int apicid, int version, bool enabled) apic->x86_32_early_logical_apicid(cpu); #endif set_cpu_possible(cpu, true); - - if (enabled) { - num_processors++; - physid_set(apicid, phys_cpu_present_map); - set_cpu_present(cpu, true); - } else { - disabled_cpus++; - } + physid_set(apicid, phys_cpu_present_map); + set_cpu_present(cpu, true); + num_processors++; return cpu; } -int generic_processor_info(int apicid, int version) -{ - return __generic_processor_info(apicid, version, true); -} - int hard_smp_processor_id(void) { return read_apic_id(); diff --git a/arch/x86/kernel/apic/x2apic_uv_x.c b/arch/x86/kernel/apic/x2apic_uv_x.c index e9f8f8c..86f20cc 100644 --- a/arch/x86/kernel/apic/x2apic_uv_x.c +++ b/arch/x86/kernel/apic/x2apic_uv_x.c @@ -1105,7 +1105,8 @@ void __init uv_init_hub_info(struct uv_hub_info_s *hi) node_id.v = uv_read_local_mmr(UVH_NODE_ID); uv_cpuid.gnode_shift = max_t(unsigned int, uv_cpuid.gnode_shift, mn.n_val); hi->gnode_extra = (node_id.s.node_id & ~((1 << uv_cpuid.gnode_shift) - 1)) >> 1; - hi->gnode_upper = (unsigned long)hi->gnode_extra << mn.m_val; + if (mn.m_val) + hi->gnode_upper = (u64)hi->gnode_extra << mn.m_val; if (uv_gp_table) { hi->global_mmr_base = uv_gp_table->mmr_base; diff --git a/arch/x86/kernel/cpu/intel_rdt_rdtgroup.c b/arch/x86/kernel/cpu/intel_rdt_rdtgroup.c index c05509d..9ac2a5c 100644 --- a/arch/x86/kernel/cpu/intel_rdt_rdtgroup.c +++ b/arch/x86/kernel/cpu/intel_rdt_rdtgroup.c @@ -727,7 +727,7 @@ void rdtgroup_kn_unlock(struct kernfs_node *kn) if (atomic_dec_and_test(&rdtgrp->waitcount) && (rdtgrp->flags & RDT_DELETED)) { kernfs_unbreak_active_protection(kn); - kernfs_put(kn); + kernfs_put(rdtgrp->kn); kfree(rdtgrp); } else { kernfs_unbreak_active_protection(kn); diff --git a/arch/x86/kernel/cpu/intel_rdt_schemata.c b/arch/x86/kernel/cpu/intel_rdt_schemata.c index f369cb8..badd2b3 100644 --- a/arch/x86/kernel/cpu/intel_rdt_schemata.c +++ b/arch/x86/kernel/cpu/intel_rdt_schemata.c @@ -200,11 +200,11 @@ ssize_t rdtgroup_schemata_write(struct kernfs_open_file *of, } out: - rdtgroup_kn_unlock(of->kn); for_each_enabled_rdt_resource(r) { kfree(r->tmp_cbms); r->tmp_cbms = NULL; } + rdtgroup_kn_unlock(of->kn); return ret ?: nbytes; } diff --git a/arch/x86/kernel/cpu/mcheck/mce.c b/arch/x86/kernel/cpu/mcheck/mce.c index 8e9725c..5accfbd 100644 --- a/arch/x86/kernel/cpu/mcheck/mce.c +++ b/arch/x86/kernel/cpu/mcheck/mce.c @@ -54,6 +54,8 @@ static DEFINE_MUTEX(mce_chrdev_read_mutex); +static int mce_chrdev_open_count; /* #times opened */ + #define mce_log_get_idx_check(p) \ ({ \ RCU_LOCKDEP_WARN(!rcu_read_lock_sched_held() && \ @@ -598,6 +600,10 @@ static int mce_default_notifier(struct notifier_block *nb, unsigned long val, if (atomic_read(&num_notifiers) > 2) return NOTIFY_DONE; + /* Don't print when mcelog is running */ + if (mce_chrdev_open_count > 0) + return NOTIFY_DONE; + __print_mce(m); return NOTIFY_DONE; @@ -1828,7 +1834,6 @@ void mcheck_cpu_clear(struct cpuinfo_x86 *c) */ static DEFINE_SPINLOCK(mce_chrdev_state_lock); -static int mce_chrdev_open_count; /* #times opened */ static int mce_chrdev_open_exclu; /* already open exclusive? */ static int mce_chrdev_open(struct inode *inode, struct file *file) diff --git a/arch/x86/kernel/cpu/mcheck/mce_amd.c b/arch/x86/kernel/cpu/mcheck/mce_amd.c index 524cc57..6e4a047 100644 --- a/arch/x86/kernel/cpu/mcheck/mce_amd.c +++ b/arch/x86/kernel/cpu/mcheck/mce_amd.c @@ -60,7 +60,7 @@ static const char * const th_names[] = { "load_store", "insn_fetch", "combined_unit", - "", + "decode_unit", "northbridge", "execution_unit", }; diff --git a/arch/x86/kernel/ftrace.c b/arch/x86/kernel/ftrace.c index 8f3d9cf..cbd73eb 100644 --- a/arch/x86/kernel/ftrace.c +++ b/arch/x86/kernel/ftrace.c @@ -29,6 +29,12 @@ #include <asm/ftrace.h> #include <asm/nops.h> +#if defined(CONFIG_FUNCTION_GRAPH_TRACER) && \ + !defined(CC_USING_FENTRY) && \ + !defined(CONFIG_CC_OPTIMIZE_FOR_PERFORMANCE) +# error The following combination is not supported: ((compiler missing -mfentry) || (CONFIG_X86_32 and !CONFIG_DYNAMIC_FTRACE)) && CONFIG_FUNCTION_GRAPH_TRACER && CONFIG_CC_OPTIMIZE_FOR_SIZE +#endif + #ifdef CONFIG_DYNAMIC_FTRACE int ftrace_arch_code_modify_prepare(void) diff --git a/arch/x86/kernel/head64.c b/arch/x86/kernel/head64.c index 54a2372..b5785c1 100644 --- a/arch/x86/kernel/head64.c +++ b/arch/x86/kernel/head64.c @@ -4,6 +4,7 @@ * Copyright (C) 2000 Andrea Arcangeli <andrea@suse.de> SuSE */ +#define DISABLE_BRANCH_PROFILING #include <linux/init.h> #include <linux/linkage.h> #include <linux/types.h> diff --git a/arch/x86/kernel/nmi.c b/arch/x86/kernel/nmi.c index f088ea4..a723ae94 100644 --- a/arch/x86/kernel/nmi.c +++ b/arch/x86/kernel/nmi.c @@ -166,11 +166,9 @@ int __register_nmi_handler(unsigned int type, struct nmiaction *action) spin_lock_irqsave(&desc->lock, flags); /* - * most handlers of type NMI_UNKNOWN never return because - * they just assume the NMI is theirs. Just a sanity check - * to manage expectations + * Indicate if there are multiple registrations on the + * internal NMI handler call chains (SERR and IO_CHECK). */ - WARN_ON_ONCE(type == NMI_UNKNOWN && !list_empty(&desc->head)); WARN_ON_ONCE(type == NMI_SERR && !list_empty(&desc->head)); WARN_ON_ONCE(type == NMI_IO_CHECK && !list_empty(&desc->head)); diff --git a/arch/x86/kernel/signal.c b/arch/x86/kernel/signal.c index 396c042..cc30a74 100644 --- a/arch/x86/kernel/signal.c +++ b/arch/x86/kernel/signal.c @@ -846,7 +846,7 @@ void signal_fault(struct pt_regs *regs, void __user *frame, char *where) task_pid_nr(current) > 1 ? KERN_INFO : KERN_EMERG, me->comm, me->pid, where, frame, regs->ip, regs->sp, regs->orig_ax); - print_vma_addr(" in ", regs->ip); + print_vma_addr(KERN_CONT " in ", regs->ip); pr_cont("\n"); } diff --git a/arch/x86/kernel/signal_compat.c b/arch/x86/kernel/signal_compat.c index ec1f756..71beb28 100644 --- a/arch/x86/kernel/signal_compat.c +++ b/arch/x86/kernel/signal_compat.c @@ -151,8 +151,8 @@ int __copy_siginfo_to_user32(compat_siginfo_t __user *to, const siginfo_t *from, if (from->si_signo == SIGSEGV) { if (from->si_code == SEGV_BNDERR) { - compat_uptr_t lower = (unsigned long)&to->si_lower; - compat_uptr_t upper = (unsigned long)&to->si_upper; + compat_uptr_t lower = (unsigned long)from->si_lower; + compat_uptr_t upper = (unsigned long)from->si_upper; put_user_ex(lower, &to->si_lower); put_user_ex(upper, &to->si_upper); } diff --git a/arch/x86/kernel/traps.c b/arch/x86/kernel/traps.c index 948443e..4e49637 100644 --- a/arch/x86/kernel/traps.c +++ b/arch/x86/kernel/traps.c @@ -255,7 +255,7 @@ do_trap(int trapnr, int signr, char *str, struct pt_regs *regs, pr_info("%s[%d] trap %s ip:%lx sp:%lx error:%lx", tsk->comm, tsk->pid, str, regs->ip, regs->sp, error_code); - print_vma_addr(" in ", regs->ip); + print_vma_addr(KERN_CONT " in ", regs->ip); pr_cont("\n"); } @@ -519,7 +519,7 @@ do_general_protection(struct pt_regs *regs, long error_code) pr_info("%s[%d] general protection ip:%lx sp:%lx error:%lx", tsk->comm, task_pid_nr(tsk), regs->ip, regs->sp, error_code); - print_vma_addr(" in ", regs->ip); + print_vma_addr(KERN_CONT " in ", regs->ip); pr_cont("\n"); } diff --git a/arch/x86/kernel/tsc.c b/arch/x86/kernel/tsc.c index 4f7a983..714dfba 100644 --- a/arch/x86/kernel/tsc.c +++ b/arch/x86/kernel/tsc.c @@ -328,7 +328,7 @@ unsigned long long sched_clock(void) return paravirt_sched_clock(); } -static inline bool using_native_sched_clock(void) +bool using_native_sched_clock(void) { return pv_time_ops.sched_clock == native_sched_clock; } @@ -336,7 +336,7 @@ static inline bool using_native_sched_clock(void) unsigned long long sched_clock(void) __attribute__((alias("native_sched_clock"))); -static inline bool using_native_sched_clock(void) { return true; } +bool using_native_sched_clock(void) { return true; } #endif int check_tsc_unstable(void) @@ -1333,6 +1333,8 @@ static int __init init_tsc_clocksource(void) * the refined calibration and directly register it as a clocksource. */ if (boot_cpu_has(X86_FEATURE_TSC_KNOWN_FREQ)) { + if (boot_cpu_has(X86_FEATURE_ART)) + art_related_clocksource = &clocksource_tsc; clocksource_register_khz(&clocksource_tsc, tsc_khz); return 0; } diff --git a/arch/x86/kernel/unwind_frame.c b/arch/x86/kernel/unwind_frame.c index 478d15d..0833926 100644 --- a/arch/x86/kernel/unwind_frame.c +++ b/arch/x86/kernel/unwind_frame.c @@ -82,19 +82,43 @@ static size_t regs_size(struct pt_regs *regs) return sizeof(*regs); } +#ifdef CONFIG_X86_32 +#define GCC_REALIGN_WORDS 3 +#else +#define GCC_REALIGN_WORDS 1 +#endif + static bool is_last_task_frame(struct unwind_state *state) { - unsigned long bp = (unsigned long)state->bp; - unsigned long regs = (unsigned long)task_pt_regs(state->task); + unsigned long *last_bp = (unsigned long *)task_pt_regs(state->task) - 2; + unsigned long *aligned_bp = last_bp - GCC_REALIGN_WORDS; /* * We have to check for the last task frame at two different locations * because gcc can occasionally decide to realign the stack pointer and - * change the offset of the stack frame by a word in the prologue of a - * function called by head/entry code. + * change the offset of the stack frame in the prologue of a function + * called by head/entry code. Examples: + * + * <start_secondary>: + * push %edi + * lea 0x8(%esp),%edi + * and $0xfffffff8,%esp + * pushl -0x4(%edi) + * push %ebp + * mov %esp,%ebp + * + * <x86_64_start_kernel>: + * lea 0x8(%rsp),%r10 + * and $0xfffffffffffffff0,%rsp + * pushq -0x8(%r10) + * push %rbp + * mov %rsp,%rbp + * + * Note that after aligning the stack, it pushes a duplicate copy of + * the return address before pushing the frame pointer. */ - return bp == regs - FRAME_HEADER_SIZE || - bp == regs - FRAME_HEADER_SIZE - sizeof(long); + return (state->bp == last_bp || + (state->bp == aligned_bp && *(aligned_bp+1) == *(last_bp+1))); } /* diff --git a/arch/x86/kvm/i8259.c b/arch/x86/kvm/i8259.c index 73ea24d..047b17a 100644 --- a/arch/x86/kvm/i8259.c +++ b/arch/x86/kvm/i8259.c @@ -657,6 +657,9 @@ void kvm_pic_destroy(struct kvm *kvm) { struct kvm_pic *vpic = kvm->arch.vpic; + if (!vpic) + return; + kvm_io_bus_unregister_dev(vpic->kvm, KVM_PIO_BUS, &vpic->dev_master); kvm_io_bus_unregister_dev(vpic->kvm, KVM_PIO_BUS, &vpic->dev_slave); kvm_io_bus_unregister_dev(vpic->kvm, KVM_PIO_BUS, &vpic->dev_eclr); diff --git a/arch/x86/kvm/ioapic.c b/arch/x86/kvm/ioapic.c index 6e219e5..289270a 100644 --- a/arch/x86/kvm/ioapic.c +++ b/arch/x86/kvm/ioapic.c @@ -635,6 +635,9 @@ void kvm_ioapic_destroy(struct kvm *kvm) { struct kvm_ioapic *ioapic = kvm->arch.vioapic; + if (!ioapic) + return; + cancel_delayed_work_sync(&ioapic->eoi_inject); kvm_io_bus_unregister_dev(kvm, KVM_MMIO_BUS, &ioapic->dev); kvm->arch.vioapic = NULL; diff --git a/arch/x86/kvm/page_track.c b/arch/x86/kvm/page_track.c index 37942e4..60168cd 100644 --- a/arch/x86/kvm/page_track.c +++ b/arch/x86/kvm/page_track.c @@ -160,6 +160,14 @@ bool kvm_page_track_is_active(struct kvm_vcpu *vcpu, gfn_t gfn, return !!ACCESS_ONCE(slot->arch.gfn_track[mode][index]); } +void kvm_page_track_cleanup(struct kvm *kvm) +{ + struct kvm_page_track_notifier_head *head; + + head = &kvm->arch.track_notifier_head; + cleanup_srcu_struct(&head->track_srcu); +} + void kvm_page_track_init(struct kvm *kvm) { struct kvm_page_track_notifier_head *head; diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c index d1efe2c..5fba706 100644 --- a/arch/x86/kvm/svm.c +++ b/arch/x86/kvm/svm.c @@ -1379,6 +1379,9 @@ static void avic_vm_destroy(struct kvm *kvm) unsigned long flags; struct kvm_arch *vm_data = &kvm->arch; + if (!avic) + return; + avic_free_vm_id(vm_data->avic_vm_id); if (vm_data->avic_logical_id_table_page) diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index 98e82ee..259e9b2 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -1239,6 +1239,11 @@ static inline bool cpu_has_vmx_invvpid_global(void) return vmx_capability.vpid & VMX_VPID_EXTENT_GLOBAL_CONTEXT_BIT; } +static inline bool cpu_has_vmx_invvpid(void) +{ + return vmx_capability.vpid & VMX_VPID_INVVPID_BIT; +} + static inline bool cpu_has_vmx_ept(void) { return vmcs_config.cpu_based_2nd_exec_ctrl & @@ -2753,7 +2758,6 @@ static void nested_vmx_setup_ctls_msrs(struct vcpu_vmx *vmx) SECONDARY_EXEC_RDTSCP | SECONDARY_EXEC_DESC | SECONDARY_EXEC_VIRTUALIZE_X2APIC_MODE | - SECONDARY_EXEC_ENABLE_VPID | SECONDARY_EXEC_APIC_REGISTER_VIRT | SECONDARY_EXEC_VIRTUAL_INTR_DELIVERY | SECONDARY_EXEC_WBINVD_EXITING | @@ -2781,10 +2785,12 @@ static void nested_vmx_setup_ctls_msrs(struct vcpu_vmx *vmx) * though it is treated as global context. The alternative is * not failing the single-context invvpid, and it is worse. */ - if (enable_vpid) + if (enable_vpid) { + vmx->nested.nested_vmx_secondary_ctls_high |= + SECONDARY_EXEC_ENABLE_VPID; vmx->nested.nested_vmx_vpid_caps = VMX_VPID_INVVPID_BIT | VMX_VPID_EXTENT_SUPPORTED_MASK; - else + } else vmx->nested.nested_vmx_vpid_caps = 0; if (enable_unrestricted_guest) @@ -4024,6 +4030,12 @@ static void vmx_flush_tlb(struct kvm_vcpu *vcpu) __vmx_flush_tlb(vcpu, to_vmx(vcpu)->vpid); } +static void vmx_flush_tlb_ept_only(struct kvm_vcpu *vcpu) +{ + if (enable_ept) + vmx_flush_tlb(vcpu); +} + static void vmx_decache_cr0_guest_bits(struct kvm_vcpu *vcpu) { ulong cr0_guest_owned_bits = vcpu->arch.cr0_guest_owned_bits; @@ -6517,8 +6529,10 @@ static __init int hardware_setup(void) if (boot_cpu_has(X86_FEATURE_NX)) kvm_enable_efer_bits(EFER_NX); - if (!cpu_has_vmx_vpid()) + if (!cpu_has_vmx_vpid() || !cpu_has_vmx_invvpid() || + !(cpu_has_vmx_invvpid_single() || cpu_has_vmx_invvpid_global())) enable_vpid = 0; + if (!cpu_has_vmx_shadow_vmcs()) enable_shadow_vmcs = 0; if (enable_shadow_vmcs) @@ -8184,6 +8198,9 @@ static bool nested_vmx_exit_handled(struct kvm_vcpu *vcpu) return nested_cpu_has2(vmcs12, SECONDARY_EXEC_XSAVES); case EXIT_REASON_PREEMPTION_TIMER: return false; + case EXIT_REASON_PML_FULL: + /* We don't expose PML support to L1. */ + return false; default: return true; } @@ -8501,7 +8518,8 @@ static int vmx_handle_exit(struct kvm_vcpu *vcpu) && kvm_vmx_exit_handlers[exit_reason]) return kvm_vmx_exit_handlers[exit_reason](vcpu); else { - WARN_ONCE(1, "vmx: unexpected exit reason 0x%x\n", exit_reason); + vcpu_unimpl(vcpu, "vmx: unexpected exit reason 0x%x\n", + exit_reason); kvm_queue_exception(vcpu, UD_VECTOR); return 1; } @@ -8547,6 +8565,7 @@ static void vmx_set_virtual_x2apic_mode(struct kvm_vcpu *vcpu, bool set) } else { sec_exec_control &= ~SECONDARY_EXEC_VIRTUALIZE_X2APIC_MODE; sec_exec_control |= SECONDARY_EXEC_VIRTUALIZE_APIC_ACCESSES; + vmx_flush_tlb_ept_only(vcpu); } vmcs_write32(SECONDARY_VM_EXEC_CONTROL, sec_exec_control); @@ -8572,8 +8591,10 @@ static void vmx_set_apic_access_page_addr(struct kvm_vcpu *vcpu, hpa_t hpa) */ if (!is_guest_mode(vcpu) || !nested_cpu_has2(get_vmcs12(&vmx->vcpu), - SECONDARY_EXEC_VIRTUALIZE_APIC_ACCESSES)) + SECONDARY_EXEC_VIRTUALIZE_APIC_ACCESSES)) { vmcs_write64(APIC_ACCESS_ADDR, hpa); + vmx_flush_tlb_ept_only(vcpu); + } } static void vmx_hwapic_isr_update(struct kvm_vcpu *vcpu, int max_isr) @@ -9974,7 +9995,6 @@ static int prepare_vmcs02(struct kvm_vcpu *vcpu, struct vmcs12 *vmcs12, { struct vcpu_vmx *vmx = to_vmx(vcpu); u32 exec_control; - bool nested_ept_enabled = false; vmcs_write16(GUEST_ES_SELECTOR, vmcs12->guest_es_selector); vmcs_write16(GUEST_CS_SELECTOR, vmcs12->guest_cs_selector); @@ -10121,8 +10141,6 @@ static int prepare_vmcs02(struct kvm_vcpu *vcpu, struct vmcs12 *vmcs12, vmcs12->guest_intr_status); } - nested_ept_enabled = (exec_control & SECONDARY_EXEC_ENABLE_EPT) != 0; - /* * Write an illegal value to APIC_ACCESS_ADDR. Later, * nested_get_vmcs12_pages will either fix it up or @@ -10252,9 +10270,24 @@ static int prepare_vmcs02(struct kvm_vcpu *vcpu, struct vmcs12 *vmcs12, } + if (enable_pml) { + /* + * Conceptually we want to copy the PML address and index from + * vmcs01 here, and then back to vmcs01 on nested vmexit. But, + * since we always flush the log on each vmexit, this happens + * to be equivalent to simply resetting the fields in vmcs02. + */ + ASSERT(vmx->pml_pg); + vmcs_write64(PML_ADDRESS, page_to_phys(vmx->pml_pg)); + vmcs_write16(GUEST_PML_INDEX, PML_ENTITY_NUM - 1); + } + if (nested_cpu_has_ept(vmcs12)) { kvm_mmu_unload(vcpu); nested_ept_init_mmu_context(vcpu); + } else if (nested_cpu_has2(vmcs12, + SECONDARY_EXEC_VIRTUALIZE_APIC_ACCESSES)) { + vmx_flush_tlb_ept_only(vcpu); } /* @@ -10282,12 +10315,10 @@ static int prepare_vmcs02(struct kvm_vcpu *vcpu, struct vmcs12 *vmcs12, vmx_set_efer(vcpu, vcpu->arch.efer); /* Shadow page tables on either EPT or shadow page tables. */ - if (nested_vmx_load_cr3(vcpu, vmcs12->guest_cr3, nested_ept_enabled, + if (nested_vmx_load_cr3(vcpu, vmcs12->guest_cr3, nested_cpu_has_ept(vmcs12), entry_failure_code)) return 1; - kvm_mmu_reset_context(vcpu); - if (!enable_ept) vcpu->arch.walk_mmu->inject_page_fault = vmx_inject_page_fault_nested; @@ -11056,6 +11087,10 @@ static void nested_vmx_vmexit(struct kvm_vcpu *vcpu, u32 exit_reason, vmx->nested.change_vmcs01_virtual_x2apic_mode = false; vmx_set_virtual_x2apic_mode(vcpu, vcpu->arch.apic_base & X2APIC_ENABLE); + } else if (!nested_cpu_has_ept(vmcs12) && + nested_cpu_has2(vmcs12, + SECONDARY_EXEC_VIRTUALIZE_APIC_ACCESSES)) { + vmx_flush_tlb_ept_only(vcpu); } /* This is needed for same reason as it was needed in prepare_vmcs02 */ diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 1faf620..ccbd45e 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -8153,11 +8153,12 @@ void kvm_arch_destroy_vm(struct kvm *kvm) if (kvm_x86_ops->vm_destroy) kvm_x86_ops->vm_destroy(kvm); kvm_iommu_unmap_guest(kvm); - kfree(kvm->arch.vpic); - kfree(kvm->arch.vioapic); + kvm_pic_destroy(kvm); + kvm_ioapic_destroy(kvm); kvm_free_vcpus(kvm); kvfree(rcu_dereference_check(kvm->arch.apic_map, 1)); kvm_mmu_uninit_vm(kvm); + kvm_page_track_cleanup(kvm); } void kvm_arch_free_memslot(struct kvm *kvm, struct kvm_memory_slot *free, @@ -8566,11 +8567,11 @@ void kvm_arch_async_page_present(struct kvm_vcpu *vcpu, { struct x86_exception fault; - trace_kvm_async_pf_ready(work->arch.token, work->gva); if (work->wakeup_all) work->arch.token = ~0; /* broadcast wakeup */ else kvm_del_async_pf_gfn(vcpu, work->arch.gfn); + trace_kvm_async_pf_ready(work->arch.token, work->gva); if ((vcpu->arch.apf.msr_val & KVM_ASYNC_PF_ENABLED) && !apf_put_user(vcpu, KVM_PV_REASON_PAGE_READY)) { diff --git a/arch/x86/lib/memcpy_64.S b/arch/x86/lib/memcpy_64.S index 779782f..9a53a06 100644 --- a/arch/x86/lib/memcpy_64.S +++ b/arch/x86/lib/memcpy_64.S @@ -290,7 +290,7 @@ EXPORT_SYMBOL_GPL(memcpy_mcsafe_unrolled) _ASM_EXTABLE_FAULT(.L_copy_leading_bytes, .L_memcpy_mcsafe_fail) _ASM_EXTABLE_FAULT(.L_cache_w0, .L_memcpy_mcsafe_fail) _ASM_EXTABLE_FAULT(.L_cache_w1, .L_memcpy_mcsafe_fail) - _ASM_EXTABLE_FAULT(.L_cache_w3, .L_memcpy_mcsafe_fail) + _ASM_EXTABLE_FAULT(.L_cache_w2, .L_memcpy_mcsafe_fail) _ASM_EXTABLE_FAULT(.L_cache_w3, .L_memcpy_mcsafe_fail) _ASM_EXTABLE_FAULT(.L_cache_w4, .L_memcpy_mcsafe_fail) _ASM_EXTABLE_FAULT(.L_cache_w5, .L_memcpy_mcsafe_fail) diff --git a/arch/x86/mm/init.c b/arch/x86/mm/init.c index 22af912..889e761 100644 --- a/arch/x86/mm/init.c +++ b/arch/x86/mm/init.c @@ -643,21 +643,40 @@ void __init init_mem_mapping(void) * devmem_is_allowed() checks to see if /dev/mem access to a certain address * is valid. The argument is a physical page number. * - * - * On x86, access has to be given to the first megabyte of ram because that area - * contains BIOS code and data regions used by X and dosemu and similar apps. - * Access has to be given to non-kernel-ram areas as well, these contain the PCI - * mmio resources as well as potential bios/acpi data regions. + * On x86, access has to be given to the first megabyte of RAM because that + * area traditionally contains BIOS code and data regions used by X, dosemu, + * and similar apps. Since they map the entire memory range, the whole range + * must be allowed (for mapping), but any areas that would otherwise be + * disallowed are flagged as being "zero filled" instead of rejected. + * Access has to be given to non-kernel-ram areas as well, these contain the + * PCI mmio resources as well as potential bios/acpi data regions. */ int devmem_is_allowed(unsigned long pagenr) { - if (pagenr < 256) - return 1; - if (iomem_is_exclusive(pagenr << PAGE_SHIFT)) + if (page_is_ram(pagenr)) { + /* + * For disallowed memory regions in the low 1MB range, + * request that the page be shown as all zeros. + */ + if (pagenr < 256) + return 2; + + return 0; + } + + /* + * This must follow RAM test, since System RAM is considered a + * restricted resource under CONFIG_STRICT_IOMEM. + */ + if (iomem_is_exclusive(pagenr << PAGE_SHIFT)) { + /* Low 1MB bypasses iomem restrictions. */ + if (pagenr < 256) + return 1; + return 0; - if (!page_is_ram(pagenr)) - return 1; - return 0; + } + + return 1; } void free_init_pages(char *what, unsigned long begin, unsigned long end) diff --git a/arch/x86/mm/kasan_init_64.c b/arch/x86/mm/kasan_init_64.c index 8d63d7a..4c90cfd 100644 --- a/arch/x86/mm/kasan_init_64.c +++ b/arch/x86/mm/kasan_init_64.c @@ -1,3 +1,4 @@ +#define DISABLE_BRANCH_PROFILING #define pr_fmt(fmt) "kasan: " fmt #include <linux/bootmem.h> #include <linux/kasan.h> diff --git a/arch/x86/mm/kaslr.c b/arch/x86/mm/kaslr.c index 887e571..aed2064 100644 --- a/arch/x86/mm/kaslr.c +++ b/arch/x86/mm/kaslr.c @@ -48,7 +48,7 @@ static const unsigned long vaddr_start = __PAGE_OFFSET_BASE; #if defined(CONFIG_X86_ESPFIX64) static const unsigned long vaddr_end = ESPFIX_BASE_ADDR; #elif defined(CONFIG_EFI) -static const unsigned long vaddr_end = EFI_VA_START; +static const unsigned long vaddr_end = EFI_VA_END; #else static const unsigned long vaddr_end = __START_KERNEL_map; #endif @@ -105,7 +105,7 @@ void __init kernel_randomize_memory(void) */ BUILD_BUG_ON(vaddr_start >= vaddr_end); BUILD_BUG_ON(IS_ENABLED(CONFIG_X86_ESPFIX64) && - vaddr_end >= EFI_VA_START); + vaddr_end >= EFI_VA_END); BUILD_BUG_ON((IS_ENABLED(CONFIG_X86_ESPFIX64) || IS_ENABLED(CONFIG_EFI)) && vaddr_end >= __START_KERNEL_map); diff --git a/arch/x86/mm/mpx.c b/arch/x86/mm/mpx.c index 5126dfd..cd44ae7 100644 --- a/arch/x86/mm/mpx.c +++ b/arch/x86/mm/mpx.c @@ -590,7 +590,7 @@ static unsigned long mpx_bd_entry_to_bt_addr(struct mm_struct *mm, * we might run off the end of the bounds table if we are on * a 64-bit kernel and try to get 8 bytes. */ -int get_user_bd_entry(struct mm_struct *mm, unsigned long *bd_entry_ret, +static int get_user_bd_entry(struct mm_struct *mm, unsigned long *bd_entry_ret, long __user *bd_entry_ptr) { u32 bd_entry_32; diff --git a/arch/x86/platform/efi/quirks.c b/arch/x86/platform/efi/quirks.c index 30031d5..cdfe8c6 100644 --- a/arch/x86/platform/efi/quirks.c +++ b/arch/x86/platform/efi/quirks.c @@ -201,6 +201,10 @@ void __init efi_arch_mem_reserve(phys_addr_t addr, u64 size) return; } + /* No need to reserve regions that will never be freed. */ + if (md.attribute & EFI_MEMORY_RUNTIME) + return; + size += addr % EFI_PAGE_SIZE; size = round_up(size, EFI_PAGE_SIZE); addr = round_down(addr, EFI_PAGE_SIZE); diff --git a/arch/x86/platform/intel-mid/device_libs/Makefile b/arch/x86/platform/intel-mid/device_libs/Makefile index a7dbec4..3dbde04 100644 --- a/arch/x86/platform/intel-mid/device_libs/Makefile +++ b/arch/x86/platform/intel-mid/device_libs/Makefile @@ -26,5 +26,6 @@ obj-$(subst m,y,$(CONFIG_GPIO_PCA953X)) += platform_pcal9555a.o obj-$(subst m,y,$(CONFIG_GPIO_PCA953X)) += platform_tca6416.o # MISC Devices obj-$(subst m,y,$(CONFIG_KEYBOARD_GPIO)) += platform_gpio_keys.o +obj-$(subst m,y,$(CONFIG_INTEL_MID_POWER_BUTTON)) += platform_mrfld_power_btn.o obj-$(subst m,y,$(CONFIG_RTC_DRV_CMOS)) += platform_mrfld_rtc.o obj-$(subst m,y,$(CONFIG_INTEL_MID_WATCHDOG)) += platform_mrfld_wdt.o diff --git a/arch/x86/platform/intel-mid/device_libs/platform_mrfld_power_btn.c b/arch/x86/platform/intel-mid/device_libs/platform_mrfld_power_btn.c new file mode 100644 index 0000000..a6c3705 --- /dev/null +++ b/arch/x86/platform/intel-mid/device_libs/platform_mrfld_power_btn.c @@ -0,0 +1,82 @@ +/* + * Intel Merrifield power button support + * + * (C) Copyright 2017 Intel Corporation + * + * Author: Andy Shevchenko <andriy.shevchenko@linux.intel.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; version 2 + * of the License. + */ + +#include <linux/init.h> +#include <linux/ioport.h> +#include <linux/platform_device.h> +#include <linux/sfi.h> + +#include <asm/intel-mid.h> +#include <asm/intel_scu_ipc.h> + +static struct resource mrfld_power_btn_resources[] = { + { + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device mrfld_power_btn_dev = { + .name = "msic_power_btn", + .id = PLATFORM_DEVID_NONE, + .num_resources = ARRAY_SIZE(mrfld_power_btn_resources), + .resource = mrfld_power_btn_resources, +}; + +static int mrfld_power_btn_scu_status_change(struct notifier_block *nb, + unsigned long code, void *data) +{ + if (code == SCU_DOWN) { + platform_device_unregister(&mrfld_power_btn_dev); + return 0; + } + + return platform_device_register(&mrfld_power_btn_dev); +} + +static struct notifier_block mrfld_power_btn_scu_notifier = { + .notifier_call = mrfld_power_btn_scu_status_change, +}; + +static int __init register_mrfld_power_btn(void) +{ + if (intel_mid_identify_cpu() != INTEL_MID_CPU_CHIP_TANGIER) + return -ENODEV; + + /* + * We need to be sure that the SCU IPC is ready before + * PMIC power button device can be registered: + */ + intel_scu_notifier_add(&mrfld_power_btn_scu_notifier); + + return 0; +} +arch_initcall(register_mrfld_power_btn); + +static void __init *mrfld_power_btn_platform_data(void *info) +{ + struct resource *res = mrfld_power_btn_resources; + struct sfi_device_table_entry *pentry = info; + + res->start = res->end = pentry->irq; + return NULL; +} + +static const struct devs_id mrfld_power_btn_dev_id __initconst = { + .name = "bcove_power_btn", + .type = SFI_DEV_TYPE_IPC, + .delay = 1, + .msic = 1, + .get_platform_data = &mrfld_power_btn_platform_data, +}; + +sfi_device(mrfld_power_btn_dev_id); diff --git a/arch/x86/platform/intel-mid/device_libs/platform_mrfld_wdt.c b/arch/x86/platform/intel-mid/device_libs/platform_mrfld_wdt.c index 86edd1e9..9e304e2 100644 --- a/arch/x86/platform/intel-mid/device_libs/platform_mrfld_wdt.c +++ b/arch/x86/platform/intel-mid/device_libs/platform_mrfld_wdt.c @@ -19,7 +19,7 @@ #include <asm/intel_scu_ipc.h> #include <asm/io_apic.h> -#define TANGIER_EXT_TIMER0_MSI 15 +#define TANGIER_EXT_TIMER0_MSI 12 static struct platform_device wdt_dev = { .name = "intel_mid_wdt", diff --git a/arch/x86/platform/intel-mid/mfld.c b/arch/x86/platform/intel-mid/mfld.c index e793fe5..e42978d 100644 --- a/arch/x86/platform/intel-mid/mfld.c +++ b/arch/x86/platform/intel-mid/mfld.c @@ -17,16 +17,6 @@ #include "intel_mid_weak_decls.h" -static void penwell_arch_setup(void); -/* penwell arch ops */ -static struct intel_mid_ops penwell_ops = { - .arch_setup = penwell_arch_setup, -}; - -static void mfld_power_off(void) -{ -} - static unsigned long __init mfld_calibrate_tsc(void) { unsigned long fast_calibrate; @@ -63,9 +53,12 @@ static unsigned long __init mfld_calibrate_tsc(void) static void __init penwell_arch_setup(void) { x86_platform.calibrate_tsc = mfld_calibrate_tsc; - pm_power_off = mfld_power_off; } +static struct intel_mid_ops penwell_ops = { + .arch_setup = penwell_arch_setup, +}; + void *get_penwell_ops(void) { return &penwell_ops; diff --git a/arch/x86/purgatory/Makefile b/arch/x86/purgatory/Makefile index 555b9fa..7dbdb78 100644 --- a/arch/x86/purgatory/Makefile +++ b/arch/x86/purgatory/Makefile @@ -8,6 +8,7 @@ PURGATORY_OBJS = $(addprefix $(obj)/,$(purgatory-y)) LDFLAGS_purgatory.ro := -e purgatory_start -r --no-undefined -nostdlib -z nodefaultlib targets += purgatory.ro +KASAN_SANITIZE := n KCOV_INSTRUMENT := n # Default KBUILD_CFLAGS can have -pg option set when FTRACE is enabled. That diff --git a/arch/xtensa/include/asm/page.h b/arch/xtensa/include/asm/page.h index 976b1d7..4ddbfd5 100644 --- a/arch/xtensa/include/asm/page.h +++ b/arch/xtensa/include/asm/page.h @@ -164,8 +164,21 @@ void copy_user_highpage(struct page *to, struct page *from, #define ARCH_PFN_OFFSET (PHYS_OFFSET >> PAGE_SHIFT) +#ifdef CONFIG_MMU +static inline unsigned long ___pa(unsigned long va) +{ + unsigned long off = va - PAGE_OFFSET; + + if (off >= XCHAL_KSEG_SIZE) + off -= XCHAL_KSEG_SIZE; + + return off + PHYS_OFFSET; +} +#define __pa(x) ___pa((unsigned long)(x)) +#else #define __pa(x) \ ((unsigned long) (x) - PAGE_OFFSET + PHYS_OFFSET) +#endif #define __va(x) \ ((void *)((unsigned long) (x) - PHYS_OFFSET + PAGE_OFFSET)) #define pfn_valid(pfn) \ diff --git a/arch/xtensa/include/uapi/asm/unistd.h b/arch/xtensa/include/uapi/asm/unistd.h index cd400af..6be7eb2 100644 --- a/arch/xtensa/include/uapi/asm/unistd.h +++ b/arch/xtensa/include/uapi/asm/unistd.h @@ -774,7 +774,10 @@ __SYSCALL(349, sys_pkey_alloc, 2) #define __NR_pkey_free 350 __SYSCALL(350, sys_pkey_free, 1) -#define __NR_syscall_count 351 +#define __NR_statx 351 +__SYSCALL(351, sys_statx, 5) + +#define __NR_syscall_count 352 /* * sysxtensa syscall handler diff --git a/arch/xtensa/kernel/traps.c b/arch/xtensa/kernel/traps.c index c82c43b..bae697a 100644 --- a/arch/xtensa/kernel/traps.c +++ b/arch/xtensa/kernel/traps.c @@ -483,10 +483,8 @@ void show_regs(struct pt_regs * regs) static int show_trace_cb(struct stackframe *frame, void *data) { - if (kernel_text_address(frame->pc)) { - pr_cont(" [<%08lx>]", frame->pc); - print_symbol(" %s\n", frame->pc); - } + if (kernel_text_address(frame->pc)) + pr_cont(" [<%08lx>] %pB\n", frame->pc, (void *)frame->pc); return 0; } diff --git a/block/bio.c b/block/bio.c index 5eec5e0..e75878f 100644 --- a/block/bio.c +++ b/block/bio.c @@ -376,10 +376,14 @@ static void punt_bios_to_rescuer(struct bio_set *bs) bio_list_init(&punt); bio_list_init(&nopunt); - while ((bio = bio_list_pop(current->bio_list))) + while ((bio = bio_list_pop(¤t->bio_list[0]))) bio_list_add(bio->bi_pool == bs ? &punt : &nopunt, bio); + current->bio_list[0] = nopunt; - *current->bio_list = nopunt; + bio_list_init(&nopunt); + while ((bio = bio_list_pop(¤t->bio_list[1]))) + bio_list_add(bio->bi_pool == bs ? &punt : &nopunt, bio); + current->bio_list[1] = nopunt; spin_lock(&bs->rescue_lock); bio_list_merge(&bs->rescue_list, &punt); @@ -466,7 +470,9 @@ struct bio *bio_alloc_bioset(gfp_t gfp_mask, int nr_iovecs, struct bio_set *bs) * we retry with the original gfp_flags. */ - if (current->bio_list && !bio_list_empty(current->bio_list)) + if (current->bio_list && + (!bio_list_empty(¤t->bio_list[0]) || + !bio_list_empty(¤t->bio_list[1]))) gfp_mask &= ~__GFP_DIRECT_RECLAIM; p = mempool_alloc(bs->bio_pool, gfp_mask); diff --git a/block/blk-core.c b/block/blk-core.c index 0eeb99e..d772c22 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -1973,7 +1973,14 @@ end_io: */ blk_qc_t generic_make_request(struct bio *bio) { - struct bio_list bio_list_on_stack; + /* + * bio_list_on_stack[0] contains bios submitted by the current + * make_request_fn. + * bio_list_on_stack[1] contains bios that were submitted before + * the current make_request_fn, but that haven't been processed + * yet. + */ + struct bio_list bio_list_on_stack[2]; blk_qc_t ret = BLK_QC_T_NONE; if (!generic_make_request_checks(bio)) @@ -1990,7 +1997,7 @@ blk_qc_t generic_make_request(struct bio *bio) * should be added at the tail */ if (current->bio_list) { - bio_list_add(current->bio_list, bio); + bio_list_add(¤t->bio_list[0], bio); goto out; } @@ -2009,18 +2016,17 @@ blk_qc_t generic_make_request(struct bio *bio) * bio_list, and call into ->make_request() again. */ BUG_ON(bio->bi_next); - bio_list_init(&bio_list_on_stack); - current->bio_list = &bio_list_on_stack; + bio_list_init(&bio_list_on_stack[0]); + current->bio_list = bio_list_on_stack; do { struct request_queue *q = bdev_get_queue(bio->bi_bdev); if (likely(blk_queue_enter(q, false) == 0)) { - struct bio_list hold; struct bio_list lower, same; /* Create a fresh bio_list for all subordinate requests */ - hold = bio_list_on_stack; - bio_list_init(&bio_list_on_stack); + bio_list_on_stack[1] = bio_list_on_stack[0]; + bio_list_init(&bio_list_on_stack[0]); ret = q->make_request_fn(q, bio); blk_queue_exit(q); @@ -2030,19 +2036,19 @@ blk_qc_t generic_make_request(struct bio *bio) */ bio_list_init(&lower); bio_list_init(&same); - while ((bio = bio_list_pop(&bio_list_on_stack)) != NULL) + while ((bio = bio_list_pop(&bio_list_on_stack[0])) != NULL) if (q == bdev_get_queue(bio->bi_bdev)) bio_list_add(&same, bio); else bio_list_add(&lower, bio); /* now assemble so we handle the lowest level first */ - bio_list_merge(&bio_list_on_stack, &lower); - bio_list_merge(&bio_list_on_stack, &same); - bio_list_merge(&bio_list_on_stack, &hold); + bio_list_merge(&bio_list_on_stack[0], &lower); + bio_list_merge(&bio_list_on_stack[0], &same); + bio_list_merge(&bio_list_on_stack[0], &bio_list_on_stack[1]); } else { bio_io_error(bio); } - bio = bio_list_pop(current->bio_list); + bio = bio_list_pop(&bio_list_on_stack[0]); } while (bio); current->bio_list = NULL; /* deactivate */ diff --git a/block/blk-mq-sched.c b/block/blk-mq-sched.c index 09af8ff..c974a1b 100644 --- a/block/blk-mq-sched.c +++ b/block/blk-mq-sched.c @@ -171,7 +171,8 @@ void blk_mq_sched_put_request(struct request *rq) void blk_mq_sched_dispatch_requests(struct blk_mq_hw_ctx *hctx) { - struct elevator_queue *e = hctx->queue->elevator; + struct request_queue *q = hctx->queue; + struct elevator_queue *e = q->elevator; const bool has_sched_dispatch = e && e->type->ops.mq.dispatch_request; bool did_work = false; LIST_HEAD(rq_list); @@ -203,10 +204,10 @@ void blk_mq_sched_dispatch_requests(struct blk_mq_hw_ctx *hctx) */ if (!list_empty(&rq_list)) { blk_mq_sched_mark_restart_hctx(hctx); - did_work = blk_mq_dispatch_rq_list(hctx, &rq_list); + did_work = blk_mq_dispatch_rq_list(q, &rq_list); } else if (!has_sched_dispatch) { blk_mq_flush_busy_ctxs(hctx, &rq_list); - blk_mq_dispatch_rq_list(hctx, &rq_list); + blk_mq_dispatch_rq_list(q, &rq_list); } /* @@ -222,7 +223,7 @@ void blk_mq_sched_dispatch_requests(struct blk_mq_hw_ctx *hctx) if (!rq) break; list_add(&rq->queuelist, &rq_list); - } while (blk_mq_dispatch_rq_list(hctx, &rq_list)); + } while (blk_mq_dispatch_rq_list(q, &rq_list)); } } @@ -317,25 +318,68 @@ static bool blk_mq_sched_bypass_insert(struct blk_mq_hw_ctx *hctx, return true; } -static void blk_mq_sched_restart_hctx(struct blk_mq_hw_ctx *hctx) +static bool blk_mq_sched_restart_hctx(struct blk_mq_hw_ctx *hctx) { if (test_bit(BLK_MQ_S_SCHED_RESTART, &hctx->state)) { clear_bit(BLK_MQ_S_SCHED_RESTART, &hctx->state); - if (blk_mq_hctx_has_pending(hctx)) + if (blk_mq_hctx_has_pending(hctx)) { blk_mq_run_hw_queue(hctx, true); + return true; + } } + return false; } -void blk_mq_sched_restart_queues(struct blk_mq_hw_ctx *hctx) -{ - struct request_queue *q = hctx->queue; - unsigned int i; +/** + * list_for_each_entry_rcu_rr - iterate in a round-robin fashion over rcu list + * @pos: loop cursor. + * @skip: the list element that will not be examined. Iteration starts at + * @skip->next. + * @head: head of the list to examine. This list must have at least one + * element, namely @skip. + * @member: name of the list_head structure within typeof(*pos). + */ +#define list_for_each_entry_rcu_rr(pos, skip, head, member) \ + for ((pos) = (skip); \ + (pos = (pos)->member.next != (head) ? list_entry_rcu( \ + (pos)->member.next, typeof(*pos), member) : \ + list_entry_rcu((pos)->member.next->next, typeof(*pos), member)), \ + (pos) != (skip); ) - if (test_bit(QUEUE_FLAG_RESTART, &q->queue_flags)) { - if (test_and_clear_bit(QUEUE_FLAG_RESTART, &q->queue_flags)) { - queue_for_each_hw_ctx(q, hctx, i) - blk_mq_sched_restart_hctx(hctx); +/* + * Called after a driver tag has been freed to check whether a hctx needs to + * be restarted. Restarts @hctx if its tag set is not shared. Restarts hardware + * queues in a round-robin fashion if the tag set of @hctx is shared with other + * hardware queues. + */ +void blk_mq_sched_restart(struct blk_mq_hw_ctx *const hctx) +{ + struct blk_mq_tags *const tags = hctx->tags; + struct blk_mq_tag_set *const set = hctx->queue->tag_set; + struct request_queue *const queue = hctx->queue, *q; + struct blk_mq_hw_ctx *hctx2; + unsigned int i, j; + + if (set->flags & BLK_MQ_F_TAG_SHARED) { + rcu_read_lock(); + list_for_each_entry_rcu_rr(q, queue, &set->tag_list, + tag_set_list) { + queue_for_each_hw_ctx(q, hctx2, i) + if (hctx2->tags == tags && + blk_mq_sched_restart_hctx(hctx2)) + goto done; + } + j = hctx->queue_num + 1; + for (i = 0; i < queue->nr_hw_queues; i++, j++) { + if (j == queue->nr_hw_queues) + j = 0; + hctx2 = queue->queue_hw_ctx[j]; + if (hctx2->tags == tags && + blk_mq_sched_restart_hctx(hctx2)) + break; } +done: + rcu_read_unlock(); } else { blk_mq_sched_restart_hctx(hctx); } @@ -431,11 +475,67 @@ static void blk_mq_sched_free_tags(struct blk_mq_tag_set *set, } } -int blk_mq_sched_setup(struct request_queue *q) +static int blk_mq_sched_alloc_tags(struct request_queue *q, + struct blk_mq_hw_ctx *hctx, + unsigned int hctx_idx) +{ + struct blk_mq_tag_set *set = q->tag_set; + int ret; + + hctx->sched_tags = blk_mq_alloc_rq_map(set, hctx_idx, q->nr_requests, + set->reserved_tags); + if (!hctx->sched_tags) + return -ENOMEM; + + ret = blk_mq_alloc_rqs(set, hctx->sched_tags, hctx_idx, q->nr_requests); + if (ret) + blk_mq_sched_free_tags(set, hctx, hctx_idx); + + return ret; +} + +static void blk_mq_sched_tags_teardown(struct request_queue *q) { struct blk_mq_tag_set *set = q->tag_set; struct blk_mq_hw_ctx *hctx; - int ret, i; + int i; + + queue_for_each_hw_ctx(q, hctx, i) + blk_mq_sched_free_tags(set, hctx, i); +} + +int blk_mq_sched_init_hctx(struct request_queue *q, struct blk_mq_hw_ctx *hctx, + unsigned int hctx_idx) +{ + struct elevator_queue *e = q->elevator; + + if (!e) + return 0; + + return blk_mq_sched_alloc_tags(q, hctx, hctx_idx); +} + +void blk_mq_sched_exit_hctx(struct request_queue *q, struct blk_mq_hw_ctx *hctx, + unsigned int hctx_idx) +{ + struct elevator_queue *e = q->elevator; + + if (!e) + return; + + blk_mq_sched_free_tags(q->tag_set, hctx, hctx_idx); +} + +int blk_mq_init_sched(struct request_queue *q, struct elevator_type *e) +{ + struct blk_mq_hw_ctx *hctx; + unsigned int i; + int ret; + + if (!e) { + q->elevator = NULL; + return 0; + } /* * Default to 256, since we don't split into sync/async like the @@ -443,49 +543,30 @@ int blk_mq_sched_setup(struct request_queue *q) */ q->nr_requests = 2 * BLKDEV_MAX_RQ; - /* - * We're switching to using an IO scheduler, so setup the hctx - * scheduler tags and switch the request map from the regular - * tags to scheduler tags. First allocate what we need, so we - * can safely fail and fallback, if needed. - */ - ret = 0; queue_for_each_hw_ctx(q, hctx, i) { - hctx->sched_tags = blk_mq_alloc_rq_map(set, i, - q->nr_requests, set->reserved_tags); - if (!hctx->sched_tags) { - ret = -ENOMEM; - break; - } - ret = blk_mq_alloc_rqs(set, hctx->sched_tags, i, q->nr_requests); + ret = blk_mq_sched_alloc_tags(q, hctx, i); if (ret) - break; + goto err; } - /* - * If we failed, free what we did allocate - */ - if (ret) { - queue_for_each_hw_ctx(q, hctx, i) { - if (!hctx->sched_tags) - continue; - blk_mq_sched_free_tags(set, hctx, i); - } - - return ret; - } + ret = e->ops.mq.init_sched(q, e); + if (ret) + goto err; return 0; + +err: + blk_mq_sched_tags_teardown(q); + q->elevator = NULL; + return ret; } -void blk_mq_sched_teardown(struct request_queue *q) +void blk_mq_exit_sched(struct request_queue *q, struct elevator_queue *e) { - struct blk_mq_tag_set *set = q->tag_set; - struct blk_mq_hw_ctx *hctx; - int i; - - queue_for_each_hw_ctx(q, hctx, i) - blk_mq_sched_free_tags(set, hctx, i); + if (e->type->ops.mq.exit_sched) + e->type->ops.mq.exit_sched(e); + blk_mq_sched_tags_teardown(q); + q->elevator = NULL; } int blk_mq_sched_init(struct request_queue *q) diff --git a/block/blk-mq-sched.h b/block/blk-mq-sched.h index a75b16b..3a9e6e4 100644 --- a/block/blk-mq-sched.h +++ b/block/blk-mq-sched.h @@ -19,7 +19,7 @@ bool blk_mq_sched_try_merge(struct request_queue *q, struct bio *bio, struct request **merged_request); bool __blk_mq_sched_bio_merge(struct request_queue *q, struct bio *bio); bool blk_mq_sched_try_insert_merge(struct request_queue *q, struct request *rq); -void blk_mq_sched_restart_queues(struct blk_mq_hw_ctx *hctx); +void blk_mq_sched_restart(struct blk_mq_hw_ctx *hctx); void blk_mq_sched_insert_request(struct request *rq, bool at_head, bool run_queue, bool async, bool can_block); @@ -32,8 +32,13 @@ void blk_mq_sched_move_to_dispatch(struct blk_mq_hw_ctx *hctx, struct list_head *rq_list, struct request *(*get_rq)(struct blk_mq_hw_ctx *)); -int blk_mq_sched_setup(struct request_queue *q); -void blk_mq_sched_teardown(struct request_queue *q); +int blk_mq_init_sched(struct request_queue *q, struct elevator_type *e); +void blk_mq_exit_sched(struct request_queue *q, struct elevator_queue *e); + +int blk_mq_sched_init_hctx(struct request_queue *q, struct blk_mq_hw_ctx *hctx, + unsigned int hctx_idx); +void blk_mq_sched_exit_hctx(struct request_queue *q, struct blk_mq_hw_ctx *hctx, + unsigned int hctx_idx); int blk_mq_sched_init(struct request_queue *q); @@ -131,20 +136,6 @@ static inline void blk_mq_sched_mark_restart_hctx(struct blk_mq_hw_ctx *hctx) set_bit(BLK_MQ_S_SCHED_RESTART, &hctx->state); } -/* - * Mark a hardware queue and the request queue it belongs to as needing a - * restart. - */ -static inline void blk_mq_sched_mark_restart_queue(struct blk_mq_hw_ctx *hctx) -{ - struct request_queue *q = hctx->queue; - - if (!test_bit(BLK_MQ_S_SCHED_RESTART, &hctx->state)) - set_bit(BLK_MQ_S_SCHED_RESTART, &hctx->state); - if (!test_bit(QUEUE_FLAG_RESTART, &q->queue_flags)) - set_bit(QUEUE_FLAG_RESTART, &q->queue_flags); -} - static inline bool blk_mq_sched_needs_restart(struct blk_mq_hw_ctx *hctx) { return test_bit(BLK_MQ_S_SCHED_RESTART, &hctx->state); diff --git a/block/blk-mq-tag.c b/block/blk-mq-tag.c index e48bc2c..9d97bfc 100644 --- a/block/blk-mq-tag.c +++ b/block/blk-mq-tag.c @@ -295,6 +295,9 @@ int blk_mq_reinit_tagset(struct blk_mq_tag_set *set) for (i = 0; i < set->nr_hw_queues; i++) { struct blk_mq_tags *tags = set->tags[i]; + if (!tags) + continue; + for (j = 0; j < tags->nr_tags; j++) { if (!tags->static_rqs[j]) continue; diff --git a/block/blk-mq.c b/block/blk-mq.c index 159187a..572966f 100644 --- a/block/blk-mq.c +++ b/block/blk-mq.c @@ -321,7 +321,6 @@ struct request *blk_mq_alloc_request_hctx(struct request_queue *q, int rw, rq = blk_mq_sched_get_request(q, NULL, rw, &alloc_data); - blk_mq_put_ctx(alloc_data.ctx); blk_queue_exit(q); if (!rq) @@ -349,7 +348,7 @@ void __blk_mq_finish_request(struct blk_mq_hw_ctx *hctx, struct blk_mq_ctx *ctx, blk_mq_put_tag(hctx, hctx->tags, ctx, rq->tag); if (sched_tag != -1) blk_mq_sched_completed_request(hctx, rq); - blk_mq_sched_restart_queues(hctx); + blk_mq_sched_restart(hctx); blk_queue_exit(q); } @@ -697,17 +696,8 @@ static void blk_mq_check_expired(struct blk_mq_hw_ctx *hctx, { struct blk_mq_timeout_data *data = priv; - if (!test_bit(REQ_ATOM_STARTED, &rq->atomic_flags)) { - /* - * If a request wasn't started before the queue was - * marked dying, kill it here or it'll go unnoticed. - */ - if (unlikely(blk_queue_dying(rq->q))) { - rq->errors = -EIO; - blk_mq_end_request(rq, rq->errors); - } + if (!test_bit(REQ_ATOM_STARTED, &rq->atomic_flags)) return; - } if (time_after_eq(jiffies, rq->deadline)) { if (!blk_mark_rq_complete(rq)) @@ -855,12 +845,8 @@ bool blk_mq_get_driver_tag(struct request *rq, struct blk_mq_hw_ctx **hctx, .flags = wait ? 0 : BLK_MQ_REQ_NOWAIT, }; - if (rq->tag != -1) { -done: - if (hctx) - *hctx = data.hctx; - return true; - } + if (rq->tag != -1) + goto done; if (blk_mq_tag_is_reserved(data.hctx->sched_tags, rq->internal_tag)) data.flags |= BLK_MQ_REQ_RESERVED; @@ -872,10 +858,12 @@ done: atomic_inc(&data.hctx->nr_active); } data.hctx->tags->rqs[rq->tag] = rq; - goto done; } - return false; +done: + if (hctx) + *hctx = data.hctx; + return rq->tag != -1; } static void __blk_mq_put_driver_tag(struct blk_mq_hw_ctx *hctx, @@ -972,13 +960,16 @@ static bool blk_mq_dispatch_wait_add(struct blk_mq_hw_ctx *hctx) return true; } -bool blk_mq_dispatch_rq_list(struct blk_mq_hw_ctx *hctx, struct list_head *list) +bool blk_mq_dispatch_rq_list(struct request_queue *q, struct list_head *list) { - struct request_queue *q = hctx->queue; + struct blk_mq_hw_ctx *hctx; struct request *rq; LIST_HEAD(driver_list); struct list_head *dptr; - int queued, ret = BLK_MQ_RQ_QUEUE_OK; + int errors, queued, ret = BLK_MQ_RQ_QUEUE_OK; + + if (list_empty(list)) + return false; /* * Start off with dptr being NULL, so we start the first request @@ -989,8 +980,8 @@ bool blk_mq_dispatch_rq_list(struct blk_mq_hw_ctx *hctx, struct list_head *list) /* * Now process all the entries, sending them to the driver. */ - queued = 0; - while (!list_empty(list)) { + errors = queued = 0; + do { struct blk_mq_queue_data bd; rq = list_first_entry(list, struct request, queuelist); @@ -1046,6 +1037,7 @@ bool blk_mq_dispatch_rq_list(struct blk_mq_hw_ctx *hctx, struct list_head *list) default: pr_err("blk-mq: bad return on queue: %d\n", ret); case BLK_MQ_RQ_QUEUE_ERROR: + errors++; rq->errors = -EIO; blk_mq_end_request(rq, rq->errors); break; @@ -1060,7 +1052,7 @@ bool blk_mq_dispatch_rq_list(struct blk_mq_hw_ctx *hctx, struct list_head *list) */ if (!dptr && list->next != list->prev) dptr = &driver_list; - } + } while (!list_empty(list)); hctx->dispatched[queued_to_index(queued)]++; @@ -1097,7 +1089,7 @@ bool blk_mq_dispatch_rq_list(struct blk_mq_hw_ctx *hctx, struct list_head *list) blk_mq_run_hw_queue(hctx, true); } - return queued != 0; + return (queued + errors) != 0; } static void __blk_mq_run_hw_queue(struct blk_mq_hw_ctx *hctx) @@ -1143,7 +1135,8 @@ static int blk_mq_hctx_next_cpu(struct blk_mq_hw_ctx *hctx) return hctx->next_cpu; } -void blk_mq_run_hw_queue(struct blk_mq_hw_ctx *hctx, bool async) +static void __blk_mq_delay_run_hw_queue(struct blk_mq_hw_ctx *hctx, bool async, + unsigned long msecs) { if (unlikely(blk_mq_hctx_stopped(hctx) || !blk_mq_hw_queue_mapped(hctx))) @@ -1160,7 +1153,24 @@ void blk_mq_run_hw_queue(struct blk_mq_hw_ctx *hctx, bool async) put_cpu(); } - kblockd_schedule_work_on(blk_mq_hctx_next_cpu(hctx), &hctx->run_work); + if (msecs == 0) + kblockd_schedule_work_on(blk_mq_hctx_next_cpu(hctx), + &hctx->run_work); + else + kblockd_schedule_delayed_work_on(blk_mq_hctx_next_cpu(hctx), + &hctx->delayed_run_work, + msecs_to_jiffies(msecs)); +} + +void blk_mq_delay_run_hw_queue(struct blk_mq_hw_ctx *hctx, unsigned long msecs) +{ + __blk_mq_delay_run_hw_queue(hctx, true, msecs); +} +EXPORT_SYMBOL(blk_mq_delay_run_hw_queue); + +void blk_mq_run_hw_queue(struct blk_mq_hw_ctx *hctx, bool async) +{ + __blk_mq_delay_run_hw_queue(hctx, async, 0); } void blk_mq_run_hw_queues(struct request_queue *q, bool async) @@ -1263,6 +1273,15 @@ static void blk_mq_run_work_fn(struct work_struct *work) __blk_mq_run_hw_queue(hctx); } +static void blk_mq_delayed_run_work_fn(struct work_struct *work) +{ + struct blk_mq_hw_ctx *hctx; + + hctx = container_of(work, struct blk_mq_hw_ctx, delayed_run_work.work); + + __blk_mq_run_hw_queue(hctx); +} + static void blk_mq_delay_work_fn(struct work_struct *work) { struct blk_mq_hw_ctx *hctx; @@ -1434,7 +1453,8 @@ static blk_qc_t request_to_qc_t(struct blk_mq_hw_ctx *hctx, struct request *rq) return blk_tag_to_qc_t(rq->internal_tag, hctx->queue_num, true); } -static void blk_mq_try_issue_directly(struct request *rq, blk_qc_t *cookie) +static void blk_mq_try_issue_directly(struct request *rq, blk_qc_t *cookie, + bool may_sleep) { struct request_queue *q = rq->q; struct blk_mq_queue_data bd = { @@ -1475,7 +1495,7 @@ static void blk_mq_try_issue_directly(struct request *rq, blk_qc_t *cookie) } insert: - blk_mq_sched_insert_request(rq, false, true, true, false); + blk_mq_sched_insert_request(rq, false, true, false, may_sleep); } /* @@ -1569,11 +1589,11 @@ static blk_qc_t blk_mq_make_request(struct request_queue *q, struct bio *bio) if (!(data.hctx->flags & BLK_MQ_F_BLOCKING)) { rcu_read_lock(); - blk_mq_try_issue_directly(old_rq, &cookie); + blk_mq_try_issue_directly(old_rq, &cookie, false); rcu_read_unlock(); } else { srcu_idx = srcu_read_lock(&data.hctx->queue_rq_srcu); - blk_mq_try_issue_directly(old_rq, &cookie); + blk_mq_try_issue_directly(old_rq, &cookie, true); srcu_read_unlock(&data.hctx->queue_rq_srcu, srcu_idx); } goto done; @@ -1931,6 +1951,8 @@ static void blk_mq_exit_hctx(struct request_queue *q, hctx->fq->flush_rq, hctx_idx, flush_start_tag + hctx_idx); + blk_mq_sched_exit_hctx(q, hctx, hctx_idx); + if (set->ops->exit_hctx) set->ops->exit_hctx(hctx, hctx_idx); @@ -1967,6 +1989,7 @@ static int blk_mq_init_hctx(struct request_queue *q, node = hctx->numa_node = set->numa_node; INIT_WORK(&hctx->run_work, blk_mq_run_work_fn); + INIT_DELAYED_WORK(&hctx->delayed_run_work, blk_mq_delayed_run_work_fn); INIT_DELAYED_WORK(&hctx->delay_work, blk_mq_delay_work_fn); spin_lock_init(&hctx->lock); INIT_LIST_HEAD(&hctx->dispatch); @@ -1997,9 +2020,12 @@ static int blk_mq_init_hctx(struct request_queue *q, set->ops->init_hctx(hctx, set->driver_data, hctx_idx)) goto free_bitmap; + if (blk_mq_sched_init_hctx(q, hctx, hctx_idx)) + goto exit_hctx; + hctx->fq = blk_alloc_flush_queue(q, hctx->numa_node, set->cmd_size); if (!hctx->fq) - goto exit_hctx; + goto sched_exit_hctx; if (set->ops->init_request && set->ops->init_request(set->driver_data, @@ -2014,6 +2040,8 @@ static int blk_mq_init_hctx(struct request_queue *q, free_fq: kfree(hctx->fq); + sched_exit_hctx: + blk_mq_sched_exit_hctx(q, hctx, hctx_idx); exit_hctx: if (set->ops->exit_hctx) set->ops->exit_hctx(hctx, hctx_idx); @@ -2240,8 +2268,6 @@ void blk_mq_release(struct request_queue *q) struct blk_mq_hw_ctx *hctx; unsigned int i; - blk_mq_sched_teardown(q); - /* hctx kobj stays in hctx */ queue_for_each_hw_ctx(q, hctx, i) { if (!hctx) @@ -2572,6 +2598,14 @@ static int blk_mq_alloc_rq_maps(struct blk_mq_tag_set *set) return 0; } +static int blk_mq_update_queue_map(struct blk_mq_tag_set *set) +{ + if (set->ops->map_queues) + return set->ops->map_queues(set); + else + return blk_mq_map_queues(set); +} + /* * Alloc a tag set to be associated with one or more request queues. * May fail with EINVAL for various error conditions. May adjust the @@ -2626,10 +2660,7 @@ int blk_mq_alloc_tag_set(struct blk_mq_tag_set *set) if (!set->mq_map) goto out_free_tags; - if (set->ops->map_queues) - ret = set->ops->map_queues(set); - else - ret = blk_mq_map_queues(set); + ret = blk_mq_update_queue_map(set); if (ret) goto out_free_mq_map; @@ -2721,6 +2752,7 @@ void blk_mq_update_nr_hw_queues(struct blk_mq_tag_set *set, int nr_hw_queues) blk_mq_freeze_queue(q); set->nr_hw_queues = nr_hw_queues; + blk_mq_update_queue_map(set); list_for_each_entry(q, &set->tag_list, tag_set_list) { blk_mq_realloc_hw_ctxs(set, q); diff --git a/block/blk-mq.h b/block/blk-mq.h index b79f9a7..660a17e 100644 --- a/block/blk-mq.h +++ b/block/blk-mq.h @@ -31,7 +31,7 @@ void blk_mq_freeze_queue(struct request_queue *q); void blk_mq_free_queue(struct request_queue *q); int blk_mq_update_nr_requests(struct request_queue *q, unsigned int nr); void blk_mq_wake_waiters(struct request_queue *q); -bool blk_mq_dispatch_rq_list(struct blk_mq_hw_ctx *, struct list_head *); +bool blk_mq_dispatch_rq_list(struct request_queue *, struct list_head *); void blk_mq_flush_busy_ctxs(struct blk_mq_hw_ctx *hctx, struct list_head *list); bool blk_mq_hctx_has_pending(struct blk_mq_hw_ctx *hctx); bool blk_mq_get_driver_tag(struct request *rq, struct blk_mq_hw_ctx **hctx, diff --git a/block/blk-stat.c b/block/blk-stat.c index 9b43efb..186fcb9 100644 --- a/block/blk-stat.c +++ b/block/blk-stat.c @@ -30,11 +30,11 @@ static void blk_stat_flush_batch(struct blk_rq_stat *stat) static void blk_stat_sum(struct blk_rq_stat *dst, struct blk_rq_stat *src) { + blk_stat_flush_batch(src); + if (!src->nr_samples) return; - blk_stat_flush_batch(src); - dst->min = min(dst->min, src->min); dst->max = max(dst->max, src->max); diff --git a/block/blk-sysfs.c b/block/blk-sysfs.c index c44b321..37f0b3a 100644 --- a/block/blk-sysfs.c +++ b/block/blk-sysfs.c @@ -816,7 +816,7 @@ static void blk_release_queue(struct kobject *kobj) if (q->elevator) { ioc_clear_queue(q); - elevator_exit(q->elevator); + elevator_exit(q, q->elevator); } blk_exit_rl(&q->root_rl); diff --git a/block/elevator.c b/block/elevator.c index 01139f5..dbeecf7 100644 --- a/block/elevator.c +++ b/block/elevator.c @@ -242,26 +242,21 @@ int elevator_init(struct request_queue *q, char *name) } } - if (e->uses_mq) { - err = blk_mq_sched_setup(q); - if (!err) - err = e->ops.mq.init_sched(q, e); - } else + if (e->uses_mq) + err = blk_mq_init_sched(q, e); + else err = e->ops.sq.elevator_init_fn(q, e); - if (err) { - if (e->uses_mq) - blk_mq_sched_teardown(q); + if (err) elevator_put(e); - } return err; } EXPORT_SYMBOL(elevator_init); -void elevator_exit(struct elevator_queue *e) +void elevator_exit(struct request_queue *q, struct elevator_queue *e) { mutex_lock(&e->sysfs_lock); if (e->uses_mq && e->type->ops.mq.exit_sched) - e->type->ops.mq.exit_sched(e); + blk_mq_exit_sched(q, e); else if (!e->uses_mq && e->type->ops.sq.elevator_exit_fn) e->type->ops.sq.elevator_exit_fn(e); mutex_unlock(&e->sysfs_lock); @@ -946,6 +941,45 @@ void elv_unregister(struct elevator_type *e) } EXPORT_SYMBOL_GPL(elv_unregister); +static int elevator_switch_mq(struct request_queue *q, + struct elevator_type *new_e) +{ + int ret; + + blk_mq_freeze_queue(q); + blk_mq_quiesce_queue(q); + + if (q->elevator) { + if (q->elevator->registered) + elv_unregister_queue(q); + ioc_clear_queue(q); + elevator_exit(q, q->elevator); + } + + ret = blk_mq_init_sched(q, new_e); + if (ret) + goto out; + + if (new_e) { + ret = elv_register_queue(q); + if (ret) { + elevator_exit(q, q->elevator); + goto out; + } + } + + if (new_e) + blk_add_trace_msg(q, "elv switch: %s", new_e->elevator_name); + else + blk_add_trace_msg(q, "elv switch: none"); + +out: + blk_mq_unfreeze_queue(q); + blk_mq_start_stopped_hw_queues(q, true); + return ret; + +} + /* * switch to new_e io scheduler. be careful not to introduce deadlocks - * we don't free the old io scheduler, before we have allocated what we @@ -958,10 +992,8 @@ static int elevator_switch(struct request_queue *q, struct elevator_type *new_e) bool old_registered = false; int err; - if (q->mq_ops) { - blk_mq_freeze_queue(q); - blk_mq_quiesce_queue(q); - } + if (q->mq_ops) + return elevator_switch_mq(q, new_e); /* * Turn on BYPASS and drain all requests w/ elevator private data. @@ -973,11 +1005,7 @@ static int elevator_switch(struct request_queue *q, struct elevator_type *new_e) if (old) { old_registered = old->registered; - if (old->uses_mq) - blk_mq_sched_teardown(q); - - if (!q->mq_ops) - blk_queue_bypass_start(q); + blk_queue_bypass_start(q); /* unregister and clear all auxiliary data of the old elevator */ if (old_registered) @@ -987,56 +1015,32 @@ static int elevator_switch(struct request_queue *q, struct elevator_type *new_e) } /* allocate, init and register new elevator */ - if (new_e) { - if (new_e->uses_mq) { - err = blk_mq_sched_setup(q); - if (!err) - err = new_e->ops.mq.init_sched(q, new_e); - } else - err = new_e->ops.sq.elevator_init_fn(q, new_e); - if (err) - goto fail_init; + err = new_e->ops.sq.elevator_init_fn(q, new_e); + if (err) + goto fail_init; - err = elv_register_queue(q); - if (err) - goto fail_register; - } else - q->elevator = NULL; + err = elv_register_queue(q); + if (err) + goto fail_register; /* done, kill the old one and finish */ if (old) { - elevator_exit(old); - if (!q->mq_ops) - blk_queue_bypass_end(q); + elevator_exit(q, old); + blk_queue_bypass_end(q); } - if (q->mq_ops) { - blk_mq_unfreeze_queue(q); - blk_mq_start_stopped_hw_queues(q, true); - } - - if (new_e) - blk_add_trace_msg(q, "elv switch: %s", new_e->elevator_name); - else - blk_add_trace_msg(q, "elv switch: none"); + blk_add_trace_msg(q, "elv switch: %s", new_e->elevator_name); return 0; fail_register: - if (q->mq_ops) - blk_mq_sched_teardown(q); - elevator_exit(q->elevator); + elevator_exit(q, q->elevator); fail_init: /* switch failed, restore and re-register old elevator */ if (old) { q->elevator = old; elv_register_queue(q); - if (!q->mq_ops) - blk_queue_bypass_end(q); - } - if (q->mq_ops) { - blk_mq_unfreeze_queue(q); - blk_mq_start_stopped_hw_queues(q, true); + blk_queue_bypass_end(q); } return err; diff --git a/crypto/af_alg.c b/crypto/af_alg.c index f5e18c2..690deca 100644 --- a/crypto/af_alg.c +++ b/crypto/af_alg.c @@ -266,7 +266,7 @@ unlock: return err; } -int af_alg_accept(struct sock *sk, struct socket *newsock) +int af_alg_accept(struct sock *sk, struct socket *newsock, bool kern) { struct alg_sock *ask = alg_sk(sk); const struct af_alg_type *type; @@ -281,7 +281,7 @@ int af_alg_accept(struct sock *sk, struct socket *newsock) if (!type) goto unlock; - sk2 = sk_alloc(sock_net(sk), PF_ALG, GFP_KERNEL, &alg_proto, 0); + sk2 = sk_alloc(sock_net(sk), PF_ALG, GFP_KERNEL, &alg_proto, kern); err = -ENOMEM; if (!sk2) goto unlock; @@ -323,9 +323,10 @@ unlock: } EXPORT_SYMBOL_GPL(af_alg_accept); -static int alg_accept(struct socket *sock, struct socket *newsock, int flags) +static int alg_accept(struct socket *sock, struct socket *newsock, int flags, + bool kern) { - return af_alg_accept(sock->sk, newsock); + return af_alg_accept(sock->sk, newsock, kern); } static const struct proto_ops alg_proto_ops = { diff --git a/crypto/algif_hash.c b/crypto/algif_hash.c index 54fc90e..5e92bd2 100644 --- a/crypto/algif_hash.c +++ b/crypto/algif_hash.c @@ -239,7 +239,8 @@ unlock: return err ?: len; } -static int hash_accept(struct socket *sock, struct socket *newsock, int flags) +static int hash_accept(struct socket *sock, struct socket *newsock, int flags, + bool kern) { struct sock *sk = sock->sk; struct alg_sock *ask = alg_sk(sk); @@ -260,7 +261,7 @@ static int hash_accept(struct socket *sock, struct socket *newsock, int flags) if (err) return err; - err = af_alg_accept(ask->parent, newsock); + err = af_alg_accept(ask->parent, newsock, kern); if (err) return err; @@ -378,7 +379,7 @@ static int hash_recvmsg_nokey(struct socket *sock, struct msghdr *msg, } static int hash_accept_nokey(struct socket *sock, struct socket *newsock, - int flags) + int flags, bool kern) { int err; @@ -386,7 +387,7 @@ static int hash_accept_nokey(struct socket *sock, struct socket *newsock, if (err) return err; - return hash_accept(sock, newsock, flags); + return hash_accept(sock, newsock, flags, kern); } static struct proto_ops algif_hash_ops_nokey = { diff --git a/crypto/lrw.c b/crypto/lrw.c index ecd8474..3ea095a 100644 --- a/crypto/lrw.c +++ b/crypto/lrw.c @@ -286,8 +286,11 @@ static int init_crypt(struct skcipher_request *req, crypto_completion_t done) subreq->cryptlen = LRW_BUFFER_SIZE; if (req->cryptlen > LRW_BUFFER_SIZE) { - subreq->cryptlen = min(req->cryptlen, (unsigned)PAGE_SIZE); - rctx->ext = kmalloc(subreq->cryptlen, gfp); + unsigned int n = min(req->cryptlen, (unsigned int)PAGE_SIZE); + + rctx->ext = kmalloc(n, gfp); + if (rctx->ext) + subreq->cryptlen = n; } rctx->src = req->src; diff --git a/crypto/xts.c b/crypto/xts.c index baeb34d..c976bfac 100644 --- a/crypto/xts.c +++ b/crypto/xts.c @@ -230,8 +230,11 @@ static int init_crypt(struct skcipher_request *req, crypto_completion_t done) subreq->cryptlen = XTS_BUFFER_SIZE; if (req->cryptlen > XTS_BUFFER_SIZE) { - subreq->cryptlen = min(req->cryptlen, (unsigned)PAGE_SIZE); - rctx->ext = kmalloc(subreq->cryptlen, gfp); + unsigned int n = min(req->cryptlen, (unsigned int)PAGE_SIZE); + + rctx->ext = kmalloc(n, gfp); + if (rctx->ext) + subreq->cryptlen = n; } rctx->src = req->src; diff --git a/drivers/acpi/Makefile b/drivers/acpi/Makefile index a391bbc..d94f92f 100644 --- a/drivers/acpi/Makefile +++ b/drivers/acpi/Makefile @@ -2,7 +2,6 @@ # Makefile for the Linux ACPI interpreter # -ccflags-y := -Os ccflags-$(CONFIG_ACPI_DEBUG) += -DACPI_DEBUG_OUTPUT # diff --git a/drivers/acpi/acpi_platform.c b/drivers/acpi/acpi_platform.c index b4c1a6a..03250e1f 100644 --- a/drivers/acpi/acpi_platform.c +++ b/drivers/acpi/acpi_platform.c @@ -25,9 +25,11 @@ ACPI_MODULE_NAME("platform"); static const struct acpi_device_id forbidden_id_list[] = { - {"PNP0000", 0}, /* PIC */ - {"PNP0100", 0}, /* Timer */ - {"PNP0200", 0}, /* AT DMA Controller */ + {"PNP0000", 0}, /* PIC */ + {"PNP0100", 0}, /* Timer */ + {"PNP0200", 0}, /* AT DMA Controller */ + {"ACPI0009", 0}, /* IOxAPIC */ + {"ACPI000A", 0}, /* IOAPIC */ {"", 0}, }; diff --git a/drivers/acpi/acpi_processor.c b/drivers/acpi/acpi_processor.c index 4467a80..0143135 100644 --- a/drivers/acpi/acpi_processor.c +++ b/drivers/acpi/acpi_processor.c @@ -182,11 +182,6 @@ int __weak arch_register_cpu(int cpu) void __weak arch_unregister_cpu(int cpu) {} -int __weak acpi_map_cpu2node(acpi_handle handle, int cpu, int physid) -{ - return -ENODEV; -} - static int acpi_processor_hotadd_init(struct acpi_processor *pr) { unsigned long long sta; @@ -285,6 +280,13 @@ static int acpi_processor_get_info(struct acpi_device *device) pr->acpi_id = value; } + if (acpi_duplicate_processor_id(pr->acpi_id)) { + dev_err(&device->dev, + "Failed to get unique processor _UID (0x%x)\n", + pr->acpi_id); + return -ENODEV; + } + pr->phys_id = acpi_get_phys_id(pr->handle, device_declaration, pr->acpi_id); if (invalid_phys_cpuid(pr->phys_id)) @@ -585,7 +587,7 @@ static struct acpi_scan_handler processor_container_handler = { static int nr_unique_ids __initdata; /* The number of the duplicate processor IDs */ -static int nr_duplicate_ids __initdata; +static int nr_duplicate_ids; /* Used to store the unique processor IDs */ static int unique_processor_ids[] __initdata = { @@ -593,7 +595,7 @@ static int unique_processor_ids[] __initdata = { }; /* Used to store the duplicate processor IDs */ -static int duplicate_processor_ids[] __initdata = { +static int duplicate_processor_ids[] = { [0 ... NR_CPUS - 1] = -1, }; @@ -638,28 +640,53 @@ static acpi_status __init acpi_processor_ids_walk(acpi_handle handle, void **rv) { acpi_status status; + acpi_object_type acpi_type; + unsigned long long uid; union acpi_object object = { 0 }; struct acpi_buffer buffer = { sizeof(union acpi_object), &object }; - status = acpi_evaluate_object(handle, NULL, NULL, &buffer); + status = acpi_get_type(handle, &acpi_type); if (ACPI_FAILURE(status)) - acpi_handle_info(handle, "Not get the processor object\n"); - else - processor_validated_ids_update(object.processor.proc_id); + return false; + + switch (acpi_type) { + case ACPI_TYPE_PROCESSOR: + status = acpi_evaluate_object(handle, NULL, NULL, &buffer); + if (ACPI_FAILURE(status)) + goto err; + uid = object.processor.proc_id; + break; + + case ACPI_TYPE_DEVICE: + status = acpi_evaluate_integer(handle, "_UID", NULL, &uid); + if (ACPI_FAILURE(status)) + goto err; + break; + default: + goto err; + } + + processor_validated_ids_update(uid); + return true; + +err: + acpi_handle_info(handle, "Invalid processor object\n"); + return false; - return AE_OK; } -static void __init acpi_processor_check_duplicates(void) +void __init acpi_processor_check_duplicates(void) { - /* Search all processor nodes in ACPI namespace */ + /* check the correctness for all processors in ACPI namespace */ acpi_walk_namespace(ACPI_TYPE_PROCESSOR, ACPI_ROOT_OBJECT, ACPI_UINT32_MAX, acpi_processor_ids_walk, NULL, NULL, NULL); + acpi_get_devices(ACPI_PROCESSOR_DEVICE_HID, acpi_processor_ids_walk, + NULL, NULL); } -bool __init acpi_processor_validate_proc_id(int proc_id) +bool acpi_duplicate_processor_id(int proc_id) { int i; diff --git a/drivers/acpi/acpica/utresrc.c b/drivers/acpi/acpica/utresrc.c index c86bae7..ff096d9 100644 --- a/drivers/acpi/acpica/utresrc.c +++ b/drivers/acpi/acpica/utresrc.c @@ -421,10 +421,8 @@ acpi_ut_walk_aml_resources(struct acpi_walk_state *walk_state, ACPI_FUNCTION_TRACE(ut_walk_aml_resources); - /* - * The absolute minimum resource template is one end_tag descriptor. - * However, we will treat a lone end_tag as just a simple buffer. - */ + /* The absolute minimum resource template is one end_tag descriptor */ + if (aml_length < sizeof(struct aml_resource_end_tag)) { return_ACPI_STATUS(AE_AML_NO_RESOURCE_END_TAG); } @@ -456,8 +454,9 @@ acpi_ut_walk_aml_resources(struct acpi_walk_state *walk_state, /* Invoke the user function */ if (user_function) { - status = user_function(aml, length, offset, - resource_index, context); + status = + user_function(aml, length, offset, resource_index, + context); if (ACPI_FAILURE(status)) { return_ACPI_STATUS(status); } @@ -481,12 +480,6 @@ acpi_ut_walk_aml_resources(struct acpi_walk_state *walk_state, *context = aml; } - /* Check if buffer is defined to be longer than the resource length */ - - if (aml_length > (offset + length)) { - return_ACPI_STATUS(AE_AML_NO_RESOURCE_END_TAG); - } - /* Normal exit */ return_ACPI_STATUS(AE_OK); diff --git a/drivers/acpi/apei/ghes.c b/drivers/acpi/apei/ghes.c index b192b42a8..79b3c9c 100644 --- a/drivers/acpi/apei/ghes.c +++ b/drivers/acpi/apei/ghes.c @@ -1073,6 +1073,7 @@ static int ghes_remove(struct platform_device *ghes_dev) if (list_empty(&ghes_sci)) unregister_acpi_hed_notifier(&ghes_notifier_sci); mutex_unlock(&ghes_list_mutex); + synchronize_rcu(); break; case ACPI_HEST_NOTIFY_NMI: ghes_nmi_remove(ghes); diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c index 80cb5eb..34fbe02 100644 --- a/drivers/acpi/bus.c +++ b/drivers/acpi/bus.c @@ -1249,7 +1249,6 @@ static int __init acpi_init(void) acpi_wakeup_device_init(); acpi_debugger_init(); acpi_setup_sb_notify_handler(); - acpi_set_processor_mapping(); return 0; } diff --git a/drivers/acpi/glue.c b/drivers/acpi/glue.c index fb19e1c..edc8663 100644 --- a/drivers/acpi/glue.c +++ b/drivers/acpi/glue.c @@ -99,13 +99,13 @@ static int find_child_checks(struct acpi_device *adev, bool check_children) return -ENODEV; /* - * If the device has a _HID (or _CID) returning a valid ACPI/PNP - * device ID, it is better to make it look less attractive here, so that - * the other device with the same _ADR value (that may not have a valid - * device ID) can be matched going forward. [This means a second spec - * violation in a row, so whatever we do here is best effort anyway.] + * If the device has a _HID returning a valid ACPI/PNP device ID, it is + * better to make it look less attractive here, so that the other device + * with the same _ADR value (that may not have a valid device ID) can be + * matched going forward. [This means a second spec violation in a row, + * so whatever we do here is best effort anyway.] */ - return sta_present && list_empty(&adev->pnp.ids) ? + return sta_present && !adev->pnp.type.platform_id ? FIND_CHILD_MAX_SCORE : FIND_CHILD_MIN_SCORE; } diff --git a/drivers/acpi/ioapic.c b/drivers/acpi/ioapic.c index 1120dfd6..7e4fbf9 100644 --- a/drivers/acpi/ioapic.c +++ b/drivers/acpi/ioapic.c @@ -45,6 +45,12 @@ static acpi_status setup_res(struct acpi_resource *acpi_res, void *data) struct resource *res = data; struct resource_win win; + /* + * We might assign this to 'res' later, make sure all pointers are + * cleared before the resource is added to the global list + */ + memset(&win, 0, sizeof(win)); + res->flags = 0; if (acpi_dev_filter_resource_type(acpi_res, IORESOURCE_MEM)) return AE_OK; diff --git a/drivers/acpi/nfit/core.c b/drivers/acpi/nfit/core.c index 662036b..c8ea9d6 100644 --- a/drivers/acpi/nfit/core.c +++ b/drivers/acpi/nfit/core.c @@ -1617,7 +1617,11 @@ static int cmp_map(const void *m0, const void *m1) const struct nfit_set_info_map *map0 = m0; const struct nfit_set_info_map *map1 = m1; - return map0->region_offset - map1->region_offset; + if (map0->region_offset < map1->region_offset) + return -1; + else if (map0->region_offset > map1->region_offset) + return 1; + return 0; } /* Retrieve the nth entry referencing this spa */ diff --git a/drivers/acpi/processor_core.c b/drivers/acpi/processor_core.c index 611a558..b933061 100644 --- a/drivers/acpi/processor_core.c +++ b/drivers/acpi/processor_core.c @@ -32,12 +32,12 @@ static struct acpi_table_madt *get_madt_table(void) } static int map_lapic_id(struct acpi_subtable_header *entry, - u32 acpi_id, phys_cpuid_t *apic_id, bool ignore_disabled) + u32 acpi_id, phys_cpuid_t *apic_id) { struct acpi_madt_local_apic *lapic = container_of(entry, struct acpi_madt_local_apic, header); - if (ignore_disabled && !(lapic->lapic_flags & ACPI_MADT_ENABLED)) + if (!(lapic->lapic_flags & ACPI_MADT_ENABLED)) return -ENODEV; if (lapic->processor_id != acpi_id) @@ -48,13 +48,12 @@ static int map_lapic_id(struct acpi_subtable_header *entry, } static int map_x2apic_id(struct acpi_subtable_header *entry, - int device_declaration, u32 acpi_id, phys_cpuid_t *apic_id, - bool ignore_disabled) + int device_declaration, u32 acpi_id, phys_cpuid_t *apic_id) { struct acpi_madt_local_x2apic *apic = container_of(entry, struct acpi_madt_local_x2apic, header); - if (ignore_disabled && !(apic->lapic_flags & ACPI_MADT_ENABLED)) + if (!(apic->lapic_flags & ACPI_MADT_ENABLED)) return -ENODEV; if (device_declaration && (apic->uid == acpi_id)) { @@ -66,13 +65,12 @@ static int map_x2apic_id(struct acpi_subtable_header *entry, } static int map_lsapic_id(struct acpi_subtable_header *entry, - int device_declaration, u32 acpi_id, phys_cpuid_t *apic_id, - bool ignore_disabled) + int device_declaration, u32 acpi_id, phys_cpuid_t *apic_id) { struct acpi_madt_local_sapic *lsapic = container_of(entry, struct acpi_madt_local_sapic, header); - if (ignore_disabled && !(lsapic->lapic_flags & ACPI_MADT_ENABLED)) + if (!(lsapic->lapic_flags & ACPI_MADT_ENABLED)) return -ENODEV; if (device_declaration) { @@ -89,13 +87,12 @@ static int map_lsapic_id(struct acpi_subtable_header *entry, * Retrieve the ARM CPU physical identifier (MPIDR) */ static int map_gicc_mpidr(struct acpi_subtable_header *entry, - int device_declaration, u32 acpi_id, phys_cpuid_t *mpidr, - bool ignore_disabled) + int device_declaration, u32 acpi_id, phys_cpuid_t *mpidr) { struct acpi_madt_generic_interrupt *gicc = container_of(entry, struct acpi_madt_generic_interrupt, header); - if (ignore_disabled && !(gicc->flags & ACPI_MADT_ENABLED)) + if (!(gicc->flags & ACPI_MADT_ENABLED)) return -ENODEV; /* device_declaration means Device object in DSDT, in the @@ -112,7 +109,7 @@ static int map_gicc_mpidr(struct acpi_subtable_header *entry, } static phys_cpuid_t map_madt_entry(struct acpi_table_madt *madt, - int type, u32 acpi_id, bool ignore_disabled) + int type, u32 acpi_id) { unsigned long madt_end, entry; phys_cpuid_t phys_id = PHYS_CPUID_INVALID; /* CPU hardware ID */ @@ -130,20 +127,16 @@ static phys_cpuid_t map_madt_entry(struct acpi_table_madt *madt, struct acpi_subtable_header *header = (struct acpi_subtable_header *)entry; if (header->type == ACPI_MADT_TYPE_LOCAL_APIC) { - if (!map_lapic_id(header, acpi_id, &phys_id, - ignore_disabled)) + if (!map_lapic_id(header, acpi_id, &phys_id)) break; } else if (header->type == ACPI_MADT_TYPE_LOCAL_X2APIC) { - if (!map_x2apic_id(header, type, acpi_id, &phys_id, - ignore_disabled)) + if (!map_x2apic_id(header, type, acpi_id, &phys_id)) break; } else if (header->type == ACPI_MADT_TYPE_LOCAL_SAPIC) { - if (!map_lsapic_id(header, type, acpi_id, &phys_id, - ignore_disabled)) + if (!map_lsapic_id(header, type, acpi_id, &phys_id)) break; } else if (header->type == ACPI_MADT_TYPE_GENERIC_INTERRUPT) { - if (!map_gicc_mpidr(header, type, acpi_id, &phys_id, - ignore_disabled)) + if (!map_gicc_mpidr(header, type, acpi_id, &phys_id)) break; } entry += header->length; @@ -161,15 +154,14 @@ phys_cpuid_t __init acpi_map_madt_entry(u32 acpi_id) if (!madt) return PHYS_CPUID_INVALID; - rv = map_madt_entry(madt, 1, acpi_id, true); + rv = map_madt_entry(madt, 1, acpi_id); acpi_put_table((struct acpi_table_header *)madt); return rv; } -static phys_cpuid_t map_mat_entry(acpi_handle handle, int type, u32 acpi_id, - bool ignore_disabled) +static phys_cpuid_t map_mat_entry(acpi_handle handle, int type, u32 acpi_id) { struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL }; union acpi_object *obj; @@ -190,38 +182,30 @@ static phys_cpuid_t map_mat_entry(acpi_handle handle, int type, u32 acpi_id, header = (struct acpi_subtable_header *)obj->buffer.pointer; if (header->type == ACPI_MADT_TYPE_LOCAL_APIC) - map_lapic_id(header, acpi_id, &phys_id, ignore_disabled); + map_lapic_id(header, acpi_id, &phys_id); else if (header->type == ACPI_MADT_TYPE_LOCAL_SAPIC) - map_lsapic_id(header, type, acpi_id, &phys_id, ignore_disabled); + map_lsapic_id(header, type, acpi_id, &phys_id); else if (header->type == ACPI_MADT_TYPE_LOCAL_X2APIC) - map_x2apic_id(header, type, acpi_id, &phys_id, ignore_disabled); + map_x2apic_id(header, type, acpi_id, &phys_id); else if (header->type == ACPI_MADT_TYPE_GENERIC_INTERRUPT) - map_gicc_mpidr(header, type, acpi_id, &phys_id, - ignore_disabled); + map_gicc_mpidr(header, type, acpi_id, &phys_id); exit: kfree(buffer.pointer); return phys_id; } -static phys_cpuid_t __acpi_get_phys_id(acpi_handle handle, int type, - u32 acpi_id, bool ignore_disabled) +phys_cpuid_t acpi_get_phys_id(acpi_handle handle, int type, u32 acpi_id) { phys_cpuid_t phys_id; - phys_id = map_mat_entry(handle, type, acpi_id, ignore_disabled); + phys_id = map_mat_entry(handle, type, acpi_id); if (invalid_phys_cpuid(phys_id)) - phys_id = map_madt_entry(get_madt_table(), type, acpi_id, - ignore_disabled); + phys_id = map_madt_entry(get_madt_table(), type, acpi_id); return phys_id; } -phys_cpuid_t acpi_get_phys_id(acpi_handle handle, int type, u32 acpi_id) -{ - return __acpi_get_phys_id(handle, type, acpi_id, true); -} - int acpi_map_cpuid(phys_cpuid_t phys_id, u32 acpi_id) { #ifdef CONFIG_SMP @@ -278,79 +262,6 @@ int acpi_get_cpuid(acpi_handle handle, int type, u32 acpi_id) } EXPORT_SYMBOL_GPL(acpi_get_cpuid); -#ifdef CONFIG_ACPI_HOTPLUG_CPU -static bool __init -map_processor(acpi_handle handle, phys_cpuid_t *phys_id, int *cpuid) -{ - int type, id; - u32 acpi_id; - acpi_status status; - acpi_object_type acpi_type; - unsigned long long tmp; - union acpi_object object = { 0 }; - struct acpi_buffer buffer = { sizeof(union acpi_object), &object }; - - status = acpi_get_type(handle, &acpi_type); - if (ACPI_FAILURE(status)) - return false; - - switch (acpi_type) { - case ACPI_TYPE_PROCESSOR: - status = acpi_evaluate_object(handle, NULL, NULL, &buffer); - if (ACPI_FAILURE(status)) - return false; - acpi_id = object.processor.proc_id; - - /* validate the acpi_id */ - if(acpi_processor_validate_proc_id(acpi_id)) - return false; - break; - case ACPI_TYPE_DEVICE: - status = acpi_evaluate_integer(handle, "_UID", NULL, &tmp); - if (ACPI_FAILURE(status)) - return false; - acpi_id = tmp; - break; - default: - return false; - } - - type = (acpi_type == ACPI_TYPE_DEVICE) ? 1 : 0; - - *phys_id = __acpi_get_phys_id(handle, type, acpi_id, false); - id = acpi_map_cpuid(*phys_id, acpi_id); - - if (id < 0) - return false; - *cpuid = id; - return true; -} - -static acpi_status __init -set_processor_node_mapping(acpi_handle handle, u32 lvl, void *context, - void **rv) -{ - phys_cpuid_t phys_id; - int cpu_id; - - if (!map_processor(handle, &phys_id, &cpu_id)) - return AE_ERROR; - - acpi_map_cpu2node(handle, cpu_id, phys_id); - return AE_OK; -} - -void __init acpi_set_processor_mapping(void) -{ - /* Set persistent cpu <-> node mapping for all processors. */ - acpi_walk_namespace(ACPI_TYPE_PROCESSOR, ACPI_ROOT_OBJECT, - ACPI_UINT32_MAX, set_processor_node_mapping, - NULL, NULL, NULL); -} -#else -void __init acpi_set_processor_mapping(void) {} -#endif /* CONFIG_ACPI_HOTPLUG_CPU */ - #ifdef CONFIG_ACPI_HOTPLUG_IOAPIC static int get_ioapic_id(struct acpi_subtable_header *entry, u32 gsi_base, u64 *phys_addr, int *ioapic_id) diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c index 1926918..2433569 100644 --- a/drivers/acpi/scan.c +++ b/drivers/acpi/scan.c @@ -1857,15 +1857,20 @@ static void acpi_bus_attach(struct acpi_device *device) return; device->flags.match_driver = true; - if (!ret) { - ret = device_attach(&device->dev); - if (ret < 0) - return; - - if (!ret && device->pnp.type.platform_id) - acpi_default_enumeration(device); + if (ret > 0) { + acpi_device_set_enumerated(device); + goto ok; } + ret = device_attach(&device->dev); + if (ret < 0) + return; + + if (ret > 0 || !device->pnp.type.platform_id) + acpi_device_set_enumerated(device); + else + acpi_default_enumeration(device); + ok: list_for_each_entry(child, &device->children, node) acpi_bus_attach(child); diff --git a/drivers/acpi/spcr.c b/drivers/acpi/spcr.c index 01c9466..3afa8c1 100644 --- a/drivers/acpi/spcr.c +++ b/drivers/acpi/spcr.c @@ -30,7 +30,7 @@ static bool qdf2400_erratum_44_present(struct acpi_table_header *h) return true; if (!memcmp(h->oem_table_id, "QDF2400 ", ACPI_OEM_TABLE_ID_SIZE) && - h->oem_revision == 0) + h->oem_revision == 1) return true; return false; diff --git a/drivers/ata/ahci_qoriq.c b/drivers/ata/ahci_qoriq.c index 85d8332..4c96f3a 100644 --- a/drivers/ata/ahci_qoriq.c +++ b/drivers/ata/ahci_qoriq.c @@ -177,7 +177,8 @@ static int ahci_qoriq_phy_init(struct ahci_host_priv *hpriv) case AHCI_LS1043A: if (!qpriv->ecc_addr) return -EINVAL; - writel(ECC_DIS_ARMV8_CH2, qpriv->ecc_addr); + writel(readl(qpriv->ecc_addr) | ECC_DIS_ARMV8_CH2, + qpriv->ecc_addr); writel(AHCI_PORT_PHY_1_CFG, reg_base + PORT_PHY1); writel(AHCI_PORT_TRANS_CFG, reg_base + PORT_TRANS); if (qpriv->is_dmacoherent) @@ -194,7 +195,8 @@ static int ahci_qoriq_phy_init(struct ahci_host_priv *hpriv) case AHCI_LS1046A: if (!qpriv->ecc_addr) return -EINVAL; - writel(ECC_DIS_ARMV8_CH2, qpriv->ecc_addr); + writel(readl(qpriv->ecc_addr) | ECC_DIS_ARMV8_CH2, + qpriv->ecc_addr); writel(AHCI_PORT_PHY_1_CFG, reg_base + PORT_PHY1); writel(AHCI_PORT_TRANS_CFG, reg_base + PORT_TRANS); if (qpriv->is_dmacoherent) diff --git a/drivers/ata/libata-sff.c b/drivers/ata/libata-sff.c index 2bd92dc..274d6d7 100644 --- a/drivers/ata/libata-sff.c +++ b/drivers/ata/libata-sff.c @@ -1482,7 +1482,6 @@ unsigned int ata_sff_qc_issue(struct ata_queued_cmd *qc) break; default: - WARN_ON_ONCE(1); return AC_ERR_SYSTEM; } diff --git a/drivers/ata/libata-transport.c b/drivers/ata/libata-transport.c index 4669823..19e6e53 100644 --- a/drivers/ata/libata-transport.c +++ b/drivers/ata/libata-transport.c @@ -224,7 +224,6 @@ static DECLARE_TRANSPORT_CLASS(ata_port_class, static void ata_tport_release(struct device *dev) { - put_device(dev->parent); } /** @@ -284,7 +283,7 @@ int ata_tport_add(struct device *parent, device_initialize(dev); dev->type = &ata_port_type; - dev->parent = get_device(parent); + dev->parent = parent; dev->release = ata_tport_release; dev_set_name(dev, "ata%d", ap->print_id); transport_setup_device(dev); @@ -348,7 +347,6 @@ static DECLARE_TRANSPORT_CLASS(ata_link_class, static void ata_tlink_release(struct device *dev) { - put_device(dev->parent); } /** @@ -410,7 +408,7 @@ int ata_tlink_add(struct ata_link *link) int error; device_initialize(dev); - dev->parent = get_device(&ap->tdev); + dev->parent = &ap->tdev; dev->release = ata_tlink_release; if (ata_is_host_link(link)) dev_set_name(dev, "link%d", ap->print_id); @@ -589,7 +587,6 @@ static DECLARE_TRANSPORT_CLASS(ata_dev_class, static void ata_tdev_release(struct device *dev) { - put_device(dev->parent); } /** @@ -662,7 +659,7 @@ static int ata_tdev_add(struct ata_device *ata_dev) int error; device_initialize(dev); - dev->parent = get_device(&link->tdev); + dev->parent = &link->tdev; dev->release = ata_tdev_release; if (ata_is_host_link(link)) dev_set_name(dev, "dev%d.%d", ap->print_id,ata_dev->devno); diff --git a/drivers/ata/pata_atiixp.c b/drivers/ata/pata_atiixp.c index 6c9aa95..49d705c 100644 --- a/drivers/ata/pata_atiixp.c +++ b/drivers/ata/pata_atiixp.c @@ -278,11 +278,6 @@ static int atiixp_init_one(struct pci_dev *pdev, const struct pci_device_id *id) }; const struct ata_port_info *ppi[] = { &info, &info }; - /* SB600/700 don't have secondary port wired */ - if ((pdev->device == PCI_DEVICE_ID_ATI_IXP600_IDE) || - (pdev->device == PCI_DEVICE_ID_ATI_IXP700_IDE)) - ppi[1] = &ata_dummy_port_info; - return ata_pci_bmdma_init_one(pdev, ppi, &atiixp_sht, NULL, ATA_HOST_PARALLEL_SCAN); } diff --git a/drivers/ata/sata_via.c b/drivers/ata/sata_via.c index 0636d84..f3f538e 100644 --- a/drivers/ata/sata_via.c +++ b/drivers/ata/sata_via.c @@ -644,14 +644,16 @@ static void svia_configure(struct pci_dev *pdev, int board_id, pci_write_config_byte(pdev, SATA_NATIVE_MODE, tmp8); } - /* enable IRQ on hotplug */ - pci_read_config_byte(pdev, SVIA_MISC_3, &tmp8); - if ((tmp8 & SATA_HOTPLUG) != SATA_HOTPLUG) { - dev_dbg(&pdev->dev, - "enabling SATA hotplug (0x%x)\n", - (int) tmp8); - tmp8 |= SATA_HOTPLUG; - pci_write_config_byte(pdev, SVIA_MISC_3, tmp8); + if (board_id == vt6421) { + /* enable IRQ on hotplug */ + pci_read_config_byte(pdev, SVIA_MISC_3, &tmp8); + if ((tmp8 & SATA_HOTPLUG) != SATA_HOTPLUG) { + dev_dbg(&pdev->dev, + "enabling SATA hotplug (0x%x)\n", + (int) tmp8); + tmp8 |= SATA_HOTPLUG; + pci_write_config_byte(pdev, SVIA_MISC_3, tmp8); + } } /* diff --git a/drivers/auxdisplay/img-ascii-lcd.c b/drivers/auxdisplay/img-ascii-lcd.c index bf43b5d..83f1439 100644 --- a/drivers/auxdisplay/img-ascii-lcd.c +++ b/drivers/auxdisplay/img-ascii-lcd.c @@ -218,6 +218,7 @@ static const struct of_device_id img_ascii_lcd_matches[] = { { .compatible = "img,boston-lcd", .data = &boston_config }, { .compatible = "mti,malta-lcd", .data = &malta_config }, { .compatible = "mti,sead3-lcd", .data = &sead3_config }, + { /* sentinel */ } }; /** diff --git a/drivers/base/core.c b/drivers/base/core.c index 684bda4..6bb60fb 100644 --- a/drivers/base/core.c +++ b/drivers/base/core.c @@ -639,11 +639,6 @@ int lock_device_hotplug_sysfs(void) return restart_syscall(); } -void assert_held_device_hotplug(void) -{ - lockdep_assert_held(&device_hotplug_lock); -} - #ifdef CONFIG_BLOCK static inline int device_is_not_partition(struct device *dev) { diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c index 7e4287b..d8a2356 100644 --- a/drivers/block/nbd.c +++ b/drivers/block/nbd.c @@ -47,6 +47,8 @@ static DEFINE_MUTEX(nbd_index_mutex); struct nbd_sock { struct socket *sock; struct mutex tx_lock; + struct request *pending; + int sent; }; #define NBD_TIMEDOUT 0 @@ -124,7 +126,8 @@ static const char *nbdcmd_to_ascii(int cmd) static int nbd_size_clear(struct nbd_device *nbd, struct block_device *bdev) { - bd_set_size(bdev, 0); + if (bdev->bd_openers <= 1) + bd_set_size(bdev, 0); set_capacity(nbd->disk, 0); kobject_uevent(&nbd_to_dev(nbd)->kobj, KOBJ_CHANGE); @@ -190,7 +193,7 @@ static enum blk_eh_timer_return nbd_xmit_timeout(struct request *req, dev_err(nbd_to_dev(nbd), "Connection timed out, shutting down connection\n"); set_bit(NBD_TIMEDOUT, &nbd->runtime_flags); - req->errors++; + req->errors = -EIO; mutex_lock(&nbd->config_lock); sock_shutdown(nbd); @@ -202,7 +205,7 @@ static enum blk_eh_timer_return nbd_xmit_timeout(struct request *req, * Send or receive packet. */ static int sock_xmit(struct nbd_device *nbd, int index, int send, - struct iov_iter *iter, int msg_flags) + struct iov_iter *iter, int msg_flags, int *sent) { struct socket *sock = nbd->socks[index]->sock; int result; @@ -237,6 +240,8 @@ static int sock_xmit(struct nbd_device *nbd, int index, int send, result = -EPIPE; /* short read */ break; } + if (sent) + *sent += result; } while (msg_data_left(&msg)); tsk_restore_flags(current, pflags, PF_MEMALLOC); @@ -248,6 +253,7 @@ static int sock_xmit(struct nbd_device *nbd, int index, int send, static int nbd_send_cmd(struct nbd_device *nbd, struct nbd_cmd *cmd, int index) { struct request *req = blk_mq_rq_from_pdu(cmd); + struct nbd_sock *nsock = nbd->socks[index]; int result; struct nbd_request request = {.magic = htonl(NBD_REQUEST_MAGIC)}; struct kvec iov = {.iov_base = &request, .iov_len = sizeof(request)}; @@ -256,6 +262,7 @@ static int nbd_send_cmd(struct nbd_device *nbd, struct nbd_cmd *cmd, int index) struct bio *bio; u32 type; u32 tag = blk_mq_unique_tag(req); + int sent = nsock->sent, skip = 0; iov_iter_kvec(&from, WRITE | ITER_KVEC, &iov, 1, sizeof(request)); @@ -283,6 +290,17 @@ static int nbd_send_cmd(struct nbd_device *nbd, struct nbd_cmd *cmd, int index) return -EIO; } + /* We did a partial send previously, and we at least sent the whole + * request struct, so just go and send the rest of the pages in the + * request. + */ + if (sent) { + if (sent >= sizeof(request)) { + skip = sent - sizeof(request); + goto send_pages; + } + iov_iter_advance(&from, sent); + } request.type = htonl(type); if (type != NBD_CMD_FLUSH) { request.from = cpu_to_be64((u64)blk_rq_pos(req) << 9); @@ -294,15 +312,27 @@ static int nbd_send_cmd(struct nbd_device *nbd, struct nbd_cmd *cmd, int index) cmd, nbdcmd_to_ascii(type), (unsigned long long)blk_rq_pos(req) << 9, blk_rq_bytes(req)); result = sock_xmit(nbd, index, 1, &from, - (type == NBD_CMD_WRITE) ? MSG_MORE : 0); + (type == NBD_CMD_WRITE) ? MSG_MORE : 0, &sent); if (result <= 0) { + if (result == -ERESTARTSYS) { + /* If we havne't sent anything we can just return BUSY, + * however if we have sent something we need to make + * sure we only allow this req to be sent until we are + * completely done. + */ + if (sent) { + nsock->pending = req; + nsock->sent = sent; + } + return BLK_MQ_RQ_QUEUE_BUSY; + } dev_err_ratelimited(disk_to_dev(nbd->disk), "Send control failed (result %d)\n", result); return -EIO; } - +send_pages: if (type != NBD_CMD_WRITE) - return 0; + goto out; bio = req->bio; while (bio) { @@ -318,8 +348,25 @@ static int nbd_send_cmd(struct nbd_device *nbd, struct nbd_cmd *cmd, int index) cmd, bvec.bv_len); iov_iter_bvec(&from, ITER_BVEC | WRITE, &bvec, 1, bvec.bv_len); - result = sock_xmit(nbd, index, 1, &from, flags); + if (skip) { + if (skip >= iov_iter_count(&from)) { + skip -= iov_iter_count(&from); + continue; + } + iov_iter_advance(&from, skip); + skip = 0; + } + result = sock_xmit(nbd, index, 1, &from, flags, &sent); if (result <= 0) { + if (result == -ERESTARTSYS) { + /* We've already sent the header, we + * have no choice but to set pending and + * return BUSY. + */ + nsock->pending = req; + nsock->sent = sent; + return BLK_MQ_RQ_QUEUE_BUSY; + } dev_err(disk_to_dev(nbd->disk), "Send data failed (result %d)\n", result); @@ -336,6 +383,9 @@ static int nbd_send_cmd(struct nbd_device *nbd, struct nbd_cmd *cmd, int index) } bio = next; } +out: + nsock->pending = NULL; + nsock->sent = 0; return 0; } @@ -353,7 +403,7 @@ static struct nbd_cmd *nbd_read_stat(struct nbd_device *nbd, int index) reply.magic = 0; iov_iter_kvec(&to, READ | ITER_KVEC, &iov, 1, sizeof(reply)); - result = sock_xmit(nbd, index, 0, &to, MSG_WAITALL); + result = sock_xmit(nbd, index, 0, &to, MSG_WAITALL, NULL); if (result <= 0) { if (!test_bit(NBD_DISCONNECTED, &nbd->runtime_flags) && !test_bit(NBD_DISCONNECT_REQUESTED, &nbd->runtime_flags)) @@ -383,7 +433,7 @@ static struct nbd_cmd *nbd_read_stat(struct nbd_device *nbd, int index) if (ntohl(reply.error)) { dev_err(disk_to_dev(nbd->disk), "Other side returned error (%d)\n", ntohl(reply.error)); - req->errors++; + req->errors = -EIO; return cmd; } @@ -395,11 +445,11 @@ static struct nbd_cmd *nbd_read_stat(struct nbd_device *nbd, int index) rq_for_each_segment(bvec, req, iter) { iov_iter_bvec(&to, ITER_BVEC | READ, &bvec, 1, bvec.bv_len); - result = sock_xmit(nbd, index, 0, &to, MSG_WAITALL); + result = sock_xmit(nbd, index, 0, &to, MSG_WAITALL, NULL); if (result <= 0) { dev_err(disk_to_dev(nbd->disk), "Receive data failed (result %d)\n", result); - req->errors++; + req->errors = -EIO; return cmd; } dev_dbg(nbd_to_dev(nbd), "request %p: got %d bytes data\n", @@ -469,7 +519,7 @@ static void nbd_clear_req(struct request *req, void *data, bool reserved) if (!blk_mq_request_started(req)) return; cmd = blk_mq_rq_to_pdu(req); - req->errors++; + req->errors = -EIO; nbd_end_request(cmd); } @@ -482,22 +532,23 @@ static void nbd_clear_que(struct nbd_device *nbd) } -static void nbd_handle_cmd(struct nbd_cmd *cmd, int index) +static int nbd_handle_cmd(struct nbd_cmd *cmd, int index) { struct request *req = blk_mq_rq_from_pdu(cmd); struct nbd_device *nbd = cmd->nbd; struct nbd_sock *nsock; + int ret; if (index >= nbd->num_connections) { dev_err_ratelimited(disk_to_dev(nbd->disk), "Attempted send on invalid socket\n"); - goto error_out; + return -EINVAL; } if (test_bit(NBD_DISCONNECTED, &nbd->runtime_flags)) { dev_err_ratelimited(disk_to_dev(nbd->disk), "Attempted send on closed socket\n"); - goto error_out; + return -EINVAL; } req->errors = 0; @@ -508,29 +559,30 @@ static void nbd_handle_cmd(struct nbd_cmd *cmd, int index) mutex_unlock(&nsock->tx_lock); dev_err_ratelimited(disk_to_dev(nbd->disk), "Attempted send on closed socket\n"); - goto error_out; + return -EINVAL; } - if (nbd_send_cmd(nbd, cmd, index) != 0) { - dev_err_ratelimited(disk_to_dev(nbd->disk), - "Request send failed\n"); - req->errors++; - nbd_end_request(cmd); + /* Handle the case that we have a pending request that was partially + * transmitted that _has_ to be serviced first. We need to call requeue + * here so that it gets put _after_ the request that is already on the + * dispatch list. + */ + if (unlikely(nsock->pending && nsock->pending != req)) { + blk_mq_requeue_request(req, true); + ret = 0; + goto out; } - + ret = nbd_send_cmd(nbd, cmd, index); +out: mutex_unlock(&nsock->tx_lock); - - return; - -error_out: - req->errors++; - nbd_end_request(cmd); + return ret; } static int nbd_queue_rq(struct blk_mq_hw_ctx *hctx, const struct blk_mq_queue_data *bd) { struct nbd_cmd *cmd = blk_mq_rq_to_pdu(bd->rq); + int ret; /* * Since we look at the bio's to send the request over the network we @@ -543,10 +595,20 @@ static int nbd_queue_rq(struct blk_mq_hw_ctx *hctx, */ init_completion(&cmd->send_complete); blk_mq_start_request(bd->rq); - nbd_handle_cmd(cmd, hctx->queue_num); + + /* We can be called directly from the user space process, which means we + * could possibly have signals pending so our sendmsg will fail. In + * this case we need to return that we are busy, otherwise error out as + * appropriate. + */ + ret = nbd_handle_cmd(cmd, hctx->queue_num); + if (ret < 0) + ret = BLK_MQ_RQ_QUEUE_ERROR; + if (!ret) + ret = BLK_MQ_RQ_QUEUE_OK; complete(&cmd->send_complete); - return BLK_MQ_RQ_QUEUE_OK; + return ret; } static int nbd_add_socket(struct nbd_device *nbd, struct block_device *bdev, @@ -581,6 +643,8 @@ static int nbd_add_socket(struct nbd_device *nbd, struct block_device *bdev, mutex_init(&nsock->tx_lock); nsock->sock = sock; + nsock->pending = NULL; + nsock->sent = 0; socks[nbd->num_connections++] = nsock; if (max_part) @@ -602,6 +666,8 @@ static void nbd_reset(struct nbd_device *nbd) static void nbd_bdev_reset(struct block_device *bdev) { + if (bdev->bd_openers > 1) + return; set_device_ro(bdev, false); bdev->bd_inode->i_size = 0; if (max_part > 0) { @@ -634,7 +700,7 @@ static void send_disconnects(struct nbd_device *nbd) for (i = 0; i < nbd->num_connections; i++) { iov_iter_kvec(&from, WRITE | ITER_KVEC, &iov, 1, sizeof(request)); - ret = sock_xmit(nbd, i, 1, &from, 0); + ret = sock_xmit(nbd, i, 1, &from, 0, NULL); if (ret <= 0) dev_err(disk_to_dev(nbd->disk), "Send disconnect failed %d\n", ret); @@ -665,7 +731,8 @@ static int nbd_clear_sock(struct nbd_device *nbd, struct block_device *bdev) { sock_shutdown(nbd); nbd_clear_que(nbd); - kill_bdev(bdev); + + __invalidate_device(bdev, true); nbd_bdev_reset(bdev); /* * We want to give the run thread a chance to wait for everybody @@ -781,7 +848,10 @@ static int __nbd_ioctl(struct block_device *bdev, struct nbd_device *nbd, nbd_size_set(nbd, bdev, nbd->blksize, arg); return 0; case NBD_SET_TIMEOUT: - nbd->tag_set.timeout = arg * HZ; + if (arg) { + nbd->tag_set.timeout = arg * HZ; + blk_queue_rq_timeout(nbd->disk->queue, arg * HZ); + } return 0; case NBD_SET_FLAGS: diff --git a/drivers/block/zram/zram_drv.c b/drivers/block/zram/zram_drv.c index dceb5ed..0c09d42 100644 --- a/drivers/block/zram/zram_drv.c +++ b/drivers/block/zram/zram_drv.c @@ -523,7 +523,7 @@ static int zram_decompress_page(struct zram *zram, char *mem, u32 index) cmem = zs_map_object(meta->mem_pool, handle, ZS_MM_RO); if (size == PAGE_SIZE) { - copy_page(mem, cmem); + memcpy(mem, cmem, PAGE_SIZE); } else { struct zcomp_strm *zstrm = zcomp_stream_get(zram->comp); @@ -717,7 +717,7 @@ compress_again: if ((clen == PAGE_SIZE) && !is_partial_io(bvec)) { src = kmap_atomic(page); - copy_page(cmem, src); + memcpy(cmem, src, PAGE_SIZE); kunmap_atomic(src); } else { memcpy(cmem, src, clen); @@ -928,7 +928,7 @@ static int zram_rw_page(struct block_device *bdev, sector_t sector, } index = sector >> SECTORS_PER_PAGE_SHIFT; - offset = sector & (SECTORS_PER_PAGE - 1) << SECTOR_SHIFT; + offset = (sector & (SECTORS_PER_PAGE - 1)) << SECTOR_SHIFT; bv.bv_page = page; bv.bv_len = PAGE_SIZE; diff --git a/drivers/bluetooth/Kconfig b/drivers/bluetooth/Kconfig index c2c14a1..08e0545 100644 --- a/drivers/bluetooth/Kconfig +++ b/drivers/bluetooth/Kconfig @@ -344,7 +344,8 @@ config BT_WILINK config BT_QCOMSMD tristate "Qualcomm SMD based HCI support" - depends on (QCOM_SMD && QCOM_WCNSS_CTRL) || COMPILE_TEST + depends on QCOM_SMD || (COMPILE_TEST && QCOM_SMD=n) + depends on QCOM_WCNSS_CTRL || (COMPILE_TEST && QCOM_WCNSS_CTRL=n) select BT_QCA help Qualcomm SMD based HCI driver. diff --git a/drivers/char/hw_random/amd-rng.c b/drivers/char/hw_random/amd-rng.c index 4a99ac7..9959c76 100644 --- a/drivers/char/hw_random/amd-rng.c +++ b/drivers/char/hw_random/amd-rng.c @@ -55,6 +55,7 @@ MODULE_DEVICE_TABLE(pci, pci_tbl); struct amd768_priv { void __iomem *iobase; struct pci_dev *pcidev; + u32 pmbase; }; static int amd_rng_read(struct hwrng *rng, void *buf, size_t max, bool wait) @@ -148,33 +149,58 @@ found: if (pmbase == 0) return -EIO; - priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL); + priv = kzalloc(sizeof(*priv), GFP_KERNEL); if (!priv) return -ENOMEM; - if (!devm_request_region(&pdev->dev, pmbase + PMBASE_OFFSET, - PMBASE_SIZE, DRV_NAME)) { + if (!request_region(pmbase + PMBASE_OFFSET, PMBASE_SIZE, DRV_NAME)) { dev_err(&pdev->dev, DRV_NAME " region 0x%x already in use!\n", pmbase + 0xF0); - return -EBUSY; + err = -EBUSY; + goto out; } - priv->iobase = devm_ioport_map(&pdev->dev, pmbase + PMBASE_OFFSET, - PMBASE_SIZE); + priv->iobase = ioport_map(pmbase + PMBASE_OFFSET, PMBASE_SIZE); if (!priv->iobase) { pr_err(DRV_NAME "Cannot map ioport\n"); - return -ENOMEM; + err = -EINVAL; + goto err_iomap; } amd_rng.priv = (unsigned long)priv; + priv->pmbase = pmbase; priv->pcidev = pdev; pr_info(DRV_NAME " detected\n"); - return devm_hwrng_register(&pdev->dev, &amd_rng); + err = hwrng_register(&amd_rng); + if (err) { + pr_err(DRV_NAME " registering failed (%d)\n", err); + goto err_hwrng; + } + return 0; + +err_hwrng: + ioport_unmap(priv->iobase); +err_iomap: + release_region(pmbase + PMBASE_OFFSET, PMBASE_SIZE); +out: + kfree(priv); + return err; } static void __exit mod_exit(void) { + struct amd768_priv *priv; + + priv = (struct amd768_priv *)amd_rng.priv; + + hwrng_unregister(&amd_rng); + + ioport_unmap(priv->iobase); + + release_region(priv->pmbase + PMBASE_OFFSET, PMBASE_SIZE); + + kfree(priv); } module_init(mod_init); diff --git a/drivers/char/hw_random/geode-rng.c b/drivers/char/hw_random/geode-rng.c index e7a2459..e1d421a 100644 --- a/drivers/char/hw_random/geode-rng.c +++ b/drivers/char/hw_random/geode-rng.c @@ -31,6 +31,9 @@ #include <linux/module.h> #include <linux/pci.h> + +#define PFX KBUILD_MODNAME ": " + #define GEODE_RNG_DATA_REG 0x50 #define GEODE_RNG_STATUS_REG 0x54 @@ -82,6 +85,7 @@ static struct hwrng geode_rng = { static int __init mod_init(void) { + int err = -ENODEV; struct pci_dev *pdev = NULL; const struct pci_device_id *ent; void __iomem *mem; @@ -89,27 +93,43 @@ static int __init mod_init(void) for_each_pci_dev(pdev) { ent = pci_match_id(pci_tbl, pdev); - if (ent) { - rng_base = pci_resource_start(pdev, 0); - if (rng_base == 0) - return -ENODEV; - - mem = devm_ioremap(&pdev->dev, rng_base, 0x58); - if (!mem) - return -ENOMEM; - geode_rng.priv = (unsigned long)mem; - - pr_info("AMD Geode RNG detected\n"); - return devm_hwrng_register(&pdev->dev, &geode_rng); - } + if (ent) + goto found; } - /* Device not found. */ - return -ENODEV; + goto out; + +found: + rng_base = pci_resource_start(pdev, 0); + if (rng_base == 0) + goto out; + err = -ENOMEM; + mem = ioremap(rng_base, 0x58); + if (!mem) + goto out; + geode_rng.priv = (unsigned long)mem; + + pr_info("AMD Geode RNG detected\n"); + err = hwrng_register(&geode_rng); + if (err) { + pr_err(PFX "RNG registering failed (%d)\n", + err); + goto err_unmap; + } +out: + return err; + +err_unmap: + iounmap(mem); + goto out; } static void __exit mod_exit(void) { + void __iomem *mem = (void __iomem *)geode_rng.priv; + + hwrng_unregister(&geode_rng); + iounmap(mem); } module_init(mod_init); diff --git a/drivers/char/hw_random/omap-rng.c b/drivers/char/hw_random/omap-rng.c index 3ad86fd..b1ad125 100644 --- a/drivers/char/hw_random/omap-rng.c +++ b/drivers/char/hw_random/omap-rng.c @@ -397,9 +397,8 @@ static int of_get_omap_rng_device_details(struct omap_rng_dev *priv, irq, err); return err; } - omap_rng_write(priv, RNG_INTMASK_REG, RNG_SHUTDOWN_OFLO_MASK); - priv->clk = of_clk_get(pdev->dev.of_node, 0); + priv->clk = devm_clk_get(&pdev->dev, NULL); if (IS_ERR(priv->clk) && PTR_ERR(priv->clk) == -EPROBE_DEFER) return -EPROBE_DEFER; if (!IS_ERR(priv->clk)) { @@ -408,6 +407,19 @@ static int of_get_omap_rng_device_details(struct omap_rng_dev *priv, dev_err(&pdev->dev, "unable to enable the clk, " "err = %d\n", err); } + + /* + * On OMAP4, enabling the shutdown_oflo interrupt is + * done in the interrupt mask register. There is no + * such register on EIP76, and it's enabled by the + * same bit in the control register + */ + if (priv->pdata->regs[RNG_INTMASK_REG]) + omap_rng_write(priv, RNG_INTMASK_REG, + RNG_SHUTDOWN_OFLO_MASK); + else + omap_rng_write(priv, RNG_CONTROL_REG, + RNG_SHUTDOWN_OFLO_MASK); } return 0; } diff --git a/drivers/char/mem.c b/drivers/char/mem.c index 6d9cc2d..7e4a9d1 100644 --- a/drivers/char/mem.c +++ b/drivers/char/mem.c @@ -60,6 +60,10 @@ static inline int valid_mmap_phys_addr_range(unsigned long pfn, size_t size) #endif #ifdef CONFIG_STRICT_DEVMEM +static inline int page_is_allowed(unsigned long pfn) +{ + return devmem_is_allowed(pfn); +} static inline int range_is_allowed(unsigned long pfn, unsigned long size) { u64 from = ((u64)pfn) << PAGE_SHIFT; @@ -75,6 +79,10 @@ static inline int range_is_allowed(unsigned long pfn, unsigned long size) return 1; } #else +static inline int page_is_allowed(unsigned long pfn) +{ + return 1; +} static inline int range_is_allowed(unsigned long pfn, unsigned long size) { return 1; @@ -122,23 +130,31 @@ static ssize_t read_mem(struct file *file, char __user *buf, while (count > 0) { unsigned long remaining; + int allowed; sz = size_inside_page(p, count); - if (!range_is_allowed(p >> PAGE_SHIFT, count)) + allowed = page_is_allowed(p >> PAGE_SHIFT); + if (!allowed) return -EPERM; + if (allowed == 2) { + /* Show zeros for restricted memory. */ + remaining = clear_user(buf, sz); + } else { + /* + * On ia64 if a page has been mapped somewhere as + * uncached, then it must also be accessed uncached + * by the kernel or data corruption may occur. + */ + ptr = xlate_dev_mem_ptr(p); + if (!ptr) + return -EFAULT; - /* - * On ia64 if a page has been mapped somewhere as uncached, then - * it must also be accessed uncached by the kernel or data - * corruption may occur. - */ - ptr = xlate_dev_mem_ptr(p); - if (!ptr) - return -EFAULT; + remaining = copy_to_user(buf, ptr, sz); + + unxlate_dev_mem_ptr(p, ptr); + } - remaining = copy_to_user(buf, ptr, sz); - unxlate_dev_mem_ptr(p, ptr); if (remaining) return -EFAULT; @@ -181,30 +197,36 @@ static ssize_t write_mem(struct file *file, const char __user *buf, #endif while (count > 0) { + int allowed; + sz = size_inside_page(p, count); - if (!range_is_allowed(p >> PAGE_SHIFT, sz)) + allowed = page_is_allowed(p >> PAGE_SHIFT); + if (!allowed) return -EPERM; - /* - * On ia64 if a page has been mapped somewhere as uncached, then - * it must also be accessed uncached by the kernel or data - * corruption may occur. - */ - ptr = xlate_dev_mem_ptr(p); - if (!ptr) { - if (written) - break; - return -EFAULT; - } + /* Skip actual writing when a page is marked as restricted. */ + if (allowed == 1) { + /* + * On ia64 if a page has been mapped somewhere as + * uncached, then it must also be accessed uncached + * by the kernel or data corruption may occur. + */ + ptr = xlate_dev_mem_ptr(p); + if (!ptr) { + if (written) + break; + return -EFAULT; + } - copied = copy_from_user(ptr, buf, sz); - unxlate_dev_mem_ptr(p, ptr); - if (copied) { - written += sz - copied; - if (written) - break; - return -EFAULT; + copied = copy_from_user(ptr, buf, sz); + unxlate_dev_mem_ptr(p, ptr); + if (copied) { + written += sz - copied; + if (written) + break; + return -EFAULT; + } } buf += sz; diff --git a/drivers/char/ppdev.c b/drivers/char/ppdev.c index 2a558c7..3e73bcd 100644 --- a/drivers/char/ppdev.c +++ b/drivers/char/ppdev.c @@ -84,11 +84,14 @@ struct pp_struct { struct ieee1284_info state; struct ieee1284_info saved_state; long default_inactivity; + int index; }; /* should we use PARDEVICE_MAX here? */ static struct device *devices[PARPORT_MAX]; +static DEFINE_IDA(ida_index); + /* pp_struct.flags bitfields */ #define PP_CLAIMED (1<<0) #define PP_EXCL (1<<1) @@ -290,7 +293,7 @@ static int register_device(int minor, struct pp_struct *pp) struct pardevice *pdev = NULL; char *name; struct pardev_cb ppdev_cb; - int rc = 0; + int rc = 0, index; name = kasprintf(GFP_KERNEL, CHRDEV "%x", minor); if (name == NULL) @@ -303,20 +306,23 @@ static int register_device(int minor, struct pp_struct *pp) goto err; } + index = ida_simple_get(&ida_index, 0, 0, GFP_KERNEL); memset(&ppdev_cb, 0, sizeof(ppdev_cb)); ppdev_cb.irq_func = pp_irq; ppdev_cb.flags = (pp->flags & PP_EXCL) ? PARPORT_FLAG_EXCL : 0; ppdev_cb.private = pp; - pdev = parport_register_dev_model(port, name, &ppdev_cb, minor); + pdev = parport_register_dev_model(port, name, &ppdev_cb, index); parport_put_port(port); if (!pdev) { pr_warn("%s: failed to register device!\n", name); rc = -ENXIO; + ida_simple_remove(&ida_index, index); goto err; } pp->pdev = pdev; + pp->index = index; dev_dbg(&pdev->dev, "registered pardevice\n"); err: kfree(name); @@ -755,6 +761,7 @@ static int pp_release(struct inode *inode, struct file *file) if (pp->pdev) { parport_unregister_device(pp->pdev); + ida_simple_remove(&ida_index, pp->index); pp->pdev = NULL; pr_debug(CHRDEV "%x: unregistered pardevice\n", minor); } diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c index e9b7e0b..87fe111 100644 --- a/drivers/char/virtio_console.c +++ b/drivers/char/virtio_console.c @@ -2202,14 +2202,16 @@ static int virtcons_freeze(struct virtio_device *vdev) vdev->config->reset(vdev); - virtqueue_disable_cb(portdev->c_ivq); + if (use_multiport(portdev)) + virtqueue_disable_cb(portdev->c_ivq); cancel_work_sync(&portdev->control_work); cancel_work_sync(&portdev->config_work); /* * Once more: if control_work_handler() was running, it would * enable the cb as the last step. */ - virtqueue_disable_cb(portdev->c_ivq); + if (use_multiport(portdev)) + virtqueue_disable_cb(portdev->c_ivq); remove_controlq_data(portdev); list_for_each_entry(port, &portdev->ports, list) { diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c index 0fb39fe..67201f6 100644 --- a/drivers/clk/clk.c +++ b/drivers/clk/clk.c @@ -2502,7 +2502,7 @@ struct clk *__clk_create_clk(struct clk_hw *hw, const char *dev_id, clk->core = hw->core; clk->dev_id = dev_id; - clk->con_id = con_id; + clk->con_id = kstrdup_const(con_id, GFP_KERNEL); clk->max_rate = ULONG_MAX; clk_prepare_lock(); @@ -2518,6 +2518,7 @@ void __clk_free_clk(struct clk *clk) hlist_del(&clk->clks_node); clk_prepare_unlock(); + kfree_const(clk->con_id); kfree(clk); } diff --git a/drivers/clk/rockchip/clk-rk3036.c b/drivers/clk/rockchip/clk-rk3036.c index 924f560..00d4150 100644 --- a/drivers/clk/rockchip/clk-rk3036.c +++ b/drivers/clk/rockchip/clk-rk3036.c @@ -127,7 +127,7 @@ PNAME(mux_ddrphy_p) = { "dpll_ddr", "gpll_ddr" }; PNAME(mux_pll_src_3plls_p) = { "apll", "dpll", "gpll" }; PNAME(mux_timer_p) = { "xin24m", "pclk_peri_src" }; -PNAME(mux_pll_src_apll_dpll_gpll_usb480m_p) = { "apll", "dpll", "gpll" "usb480m" }; +PNAME(mux_pll_src_apll_dpll_gpll_usb480m_p) = { "apll", "dpll", "gpll", "usb480m" }; PNAME(mux_mmc_src_p) = { "apll", "dpll", "gpll", "xin24m" }; PNAME(mux_i2s_pre_p) = { "i2s_src", "i2s_frac", "ext_i2s", "xin12m" }; @@ -450,6 +450,13 @@ static void __init rk3036_clk_init(struct device_node *np) return; } + /* + * Make uart_pll_clk a child of the gpll, as all other sources are + * not that usable / stable. + */ + writel_relaxed(HIWORD_UPDATE(0x2, 0x3, 10), + reg_base + RK2928_CLKSEL_CON(13)); + ctx = rockchip_clk_init(np, reg_base, CLK_NR_CLKS); if (IS_ERR(ctx)) { pr_err("%s: rockchip clk init failed\n", __func__); diff --git a/drivers/clk/sunxi-ng/Kconfig b/drivers/clk/sunxi-ng/Kconfig index 695bbf9..72109d2 100644 --- a/drivers/clk/sunxi-ng/Kconfig +++ b/drivers/clk/sunxi-ng/Kconfig @@ -80,6 +80,7 @@ config SUN6I_A31_CCU select SUNXI_CCU_DIV select SUNXI_CCU_NK select SUNXI_CCU_NKM + select SUNXI_CCU_NKMP select SUNXI_CCU_NM select SUNXI_CCU_MP select SUNXI_CCU_PHASE diff --git a/drivers/clk/sunxi-ng/ccu-sun50i-a64.c b/drivers/clk/sunxi-ng/ccu-sun50i-a64.c index e3c084c..f54114c 100644 --- a/drivers/clk/sunxi-ng/ccu-sun50i-a64.c +++ b/drivers/clk/sunxi-ng/ccu-sun50i-a64.c @@ -566,7 +566,7 @@ static SUNXI_CCU_M_WITH_GATE(gpu_clk, "gpu", "pll-gpu", 0x1a0, 0, 3, BIT(31), CLK_SET_RATE_PARENT); /* Fixed Factor clocks */ -static CLK_FIXED_FACTOR(osc12M_clk, "osc12M", "osc24M", 1, 2, 0); +static CLK_FIXED_FACTOR(osc12M_clk, "osc12M", "osc24M", 2, 1, 0); /* We hardcode the divider to 4 for now */ static CLK_FIXED_FACTOR(pll_audio_clk, "pll-audio", diff --git a/drivers/clk/sunxi-ng/ccu-sun6i-a31.c b/drivers/clk/sunxi-ng/ccu-sun6i-a31.c index 4c9a920..89e68d2 100644 --- a/drivers/clk/sunxi-ng/ccu-sun6i-a31.c +++ b/drivers/clk/sunxi-ng/ccu-sun6i-a31.c @@ -608,7 +608,7 @@ static SUNXI_CCU_M_WITH_MUX_GATE(hdmi_clk, "hdmi", lcd_ch1_parents, 0x150, 0, 4, 24, 2, BIT(31), CLK_SET_RATE_PARENT); -static SUNXI_CCU_GATE(hdmi_ddc_clk, "hdmi-ddc", "osc24M", 0x150, BIT(31), 0); +static SUNXI_CCU_GATE(hdmi_ddc_clk, "hdmi-ddc", "osc24M", 0x150, BIT(30), 0); static SUNXI_CCU_GATE(ps_clk, "ps", "lcd1-ch1", 0x140, BIT(31), 0); diff --git a/drivers/clk/sunxi-ng/ccu_mp.c b/drivers/clk/sunxi-ng/ccu_mp.c index 22c2ca7..b583f18 100644 --- a/drivers/clk/sunxi-ng/ccu_mp.c +++ b/drivers/clk/sunxi-ng/ccu_mp.c @@ -85,6 +85,10 @@ static unsigned long ccu_mp_recalc_rate(struct clk_hw *hw, unsigned int m, p; u32 reg; + /* Adjust parent_rate according to pre-dividers */ + ccu_mux_helper_adjust_parent_for_prediv(&cmp->common, &cmp->mux, + -1, &parent_rate); + reg = readl(cmp->common.base + cmp->common.reg); m = reg >> cmp->m.shift; @@ -117,6 +121,10 @@ static int ccu_mp_set_rate(struct clk_hw *hw, unsigned long rate, unsigned int m, p; u32 reg; + /* Adjust parent_rate according to pre-dividers */ + ccu_mux_helper_adjust_parent_for_prediv(&cmp->common, &cmp->mux, + -1, &parent_rate); + max_m = cmp->m.max ?: 1 << cmp->m.width; max_p = cmp->p.max ?: 1 << ((1 << cmp->p.width) - 1); diff --git a/drivers/clk/sunxi-ng/ccu_nkmp.c b/drivers/clk/sunxi-ng/ccu_nkmp.c index a2b40a0..488055e 100644 --- a/drivers/clk/sunxi-ng/ccu_nkmp.c +++ b/drivers/clk/sunxi-ng/ccu_nkmp.c @@ -107,7 +107,7 @@ static unsigned long ccu_nkmp_recalc_rate(struct clk_hw *hw, p = reg >> nkmp->p.shift; p &= (1 << nkmp->p.width) - 1; - return parent_rate * n * k >> p / m; + return (parent_rate * n * k >> p) / m; } static long ccu_nkmp_round_rate(struct clk_hw *hw, unsigned long rate, diff --git a/drivers/clocksource/clkevt-probe.c b/drivers/clocksource/clkevt-probe.c index 8c30fec..eb89b50 100644 --- a/drivers/clocksource/clkevt-probe.c +++ b/drivers/clocksource/clkevt-probe.c @@ -17,7 +17,7 @@ #include <linux/init.h> #include <linux/of.h> -#include <linux/clockchip.h> +#include <linux/clockchips.h> extern struct of_device_id __clkevt_of_table[]; diff --git a/drivers/clocksource/tcb_clksrc.c b/drivers/clocksource/tcb_clksrc.c index 745844e..d4ca996 100644 --- a/drivers/clocksource/tcb_clksrc.c +++ b/drivers/clocksource/tcb_clksrc.c @@ -10,7 +10,6 @@ #include <linux/io.h> #include <linux/platform_device.h> #include <linux/atmel_tc.h> -#include <linux/sched_clock.h> /* @@ -57,14 +56,9 @@ static u64 tc_get_cycles(struct clocksource *cs) return (upper << 16) | lower; } -static u32 tc_get_cv32(void) -{ - return __raw_readl(tcaddr + ATMEL_TC_REG(0, CV)); -} - static u64 tc_get_cycles32(struct clocksource *cs) { - return tc_get_cv32(); + return __raw_readl(tcaddr + ATMEL_TC_REG(0, CV)); } static struct clocksource clksrc = { @@ -75,11 +69,6 @@ static struct clocksource clksrc = { .flags = CLOCK_SOURCE_IS_CONTINUOUS, }; -static u64 notrace tc_read_sched_clock(void) -{ - return tc_get_cv32(); -} - #ifdef CONFIG_GENERIC_CLOCKEVENTS struct tc_clkevt_device { @@ -350,9 +339,6 @@ static int __init tcb_clksrc_init(void) clksrc.read = tc_get_cycles32; /* setup ony channel 0 */ tcb_setup_single_chan(tc, best_divisor_idx); - - /* register sched_clock on chips with single 32 bit counter */ - sched_clock_register(tc_read_sched_clock, 32, divided_rate); } else { /* tclib will give us three clocks no matter what the * underlying platform supports. diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c index 38b9fdf..0e3f649 100644 --- a/drivers/cpufreq/cpufreq.c +++ b/drivers/cpufreq/cpufreq.c @@ -680,9 +680,11 @@ static ssize_t show_cpuinfo_cur_freq(struct cpufreq_policy *policy, char *buf) { unsigned int cur_freq = __cpufreq_get(policy); - if (!cur_freq) - return sprintf(buf, "<unknown>"); - return sprintf(buf, "%u\n", cur_freq); + + if (cur_freq) + return sprintf(buf, "%u\n", cur_freq); + + return sprintf(buf, "<unknown>\n"); } /** @@ -916,11 +918,19 @@ static struct kobj_type ktype_cpufreq = { .release = cpufreq_sysfs_release, }; -static int add_cpu_dev_symlink(struct cpufreq_policy *policy, - struct device *dev) +static void add_cpu_dev_symlink(struct cpufreq_policy *policy, unsigned int cpu) { + struct device *dev = get_cpu_device(cpu); + + if (!dev) + return; + + if (cpumask_test_and_set_cpu(cpu, policy->real_cpus)) + return; + dev_dbg(dev, "%s: Adding symlink\n", __func__); - return sysfs_create_link(&dev->kobj, &policy->kobj, "cpufreq"); + if (sysfs_create_link(&dev->kobj, &policy->kobj, "cpufreq")) + dev_err(dev, "cpufreq symlink creation failed\n"); } static void remove_cpu_dev_symlink(struct cpufreq_policy *policy, @@ -1178,10 +1188,13 @@ static int cpufreq_online(unsigned int cpu) policy->user_policy.min = policy->min; policy->user_policy.max = policy->max; - write_lock_irqsave(&cpufreq_driver_lock, flags); - for_each_cpu(j, policy->related_cpus) + for_each_cpu(j, policy->related_cpus) { per_cpu(cpufreq_cpu_data, j) = policy; - write_unlock_irqrestore(&cpufreq_driver_lock, flags); + add_cpu_dev_symlink(policy, j); + } + } else { + policy->min = policy->user_policy.min; + policy->max = policy->user_policy.max; } if (cpufreq_driver->get && !cpufreq_driver->setpolicy) { @@ -1270,13 +1283,15 @@ out_exit_policy: if (cpufreq_driver->exit) cpufreq_driver->exit(policy); + + for_each_cpu(j, policy->real_cpus) + remove_cpu_dev_symlink(policy, get_cpu_device(j)); + out_free_policy: cpufreq_policy_free(policy); return ret; } -static int cpufreq_offline(unsigned int cpu); - /** * cpufreq_add_dev - the cpufreq interface for a CPU device. * @dev: CPU device. @@ -1298,16 +1313,10 @@ static int cpufreq_add_dev(struct device *dev, struct subsys_interface *sif) /* Create sysfs link on CPU registration */ policy = per_cpu(cpufreq_cpu_data, cpu); - if (!policy || cpumask_test_and_set_cpu(cpu, policy->real_cpus)) - return 0; + if (policy) + add_cpu_dev_symlink(policy, cpu); - ret = add_cpu_dev_symlink(policy, dev); - if (ret) { - cpumask_clear_cpu(cpu, policy->real_cpus); - cpufreq_offline(cpu); - } - - return ret; + return 0; } static int cpufreq_offline(unsigned int cpu) @@ -2389,6 +2398,20 @@ EXPORT_SYMBOL_GPL(cpufreq_boost_enabled); *********************************************************************/ static enum cpuhp_state hp_online; +static int cpuhp_cpufreq_online(unsigned int cpu) +{ + cpufreq_online(cpu); + + return 0; +} + +static int cpuhp_cpufreq_offline(unsigned int cpu) +{ + cpufreq_offline(cpu); + + return 0; +} + /** * cpufreq_register_driver - register a CPU Frequency driver * @driver_data: A struct cpufreq_driver containing the values# @@ -2451,8 +2474,8 @@ int cpufreq_register_driver(struct cpufreq_driver *driver_data) } ret = cpuhp_setup_state_nocalls(CPUHP_AP_ONLINE_DYN, "cpufreq:online", - cpufreq_online, - cpufreq_offline); + cpuhp_cpufreq_online, + cpuhp_cpufreq_offline); if (ret < 0) goto err_if_unreg; hp_online = ret; diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c index 3d37219..283491f 100644 --- a/drivers/cpufreq/intel_pstate.c +++ b/drivers/cpufreq/intel_pstate.c @@ -84,6 +84,11 @@ static inline u64 div_ext_fp(u64 x, u64 y) return div64_u64(x << EXT_FRAC_BITS, y); } +static inline int32_t percent_ext_fp(int percent) +{ + return div_ext_fp(percent, 100); +} + /** * struct sample - Store performance sample * @core_avg_perf: Ratio of APERF/MPERF which is the actual average @@ -359,9 +364,7 @@ static bool driver_registered __read_mostly; static bool acpi_ppc; #endif -static struct perf_limits performance_limits; -static struct perf_limits powersave_limits; -static struct perf_limits *limits; +static struct perf_limits global; static void intel_pstate_init_limits(struct perf_limits *limits) { @@ -372,14 +375,6 @@ static void intel_pstate_init_limits(struct perf_limits *limits) limits->max_sysfs_pct = 100; } -static void intel_pstate_set_performance_limits(struct perf_limits *limits) -{ - intel_pstate_init_limits(limits); - limits->min_perf_pct = 100; - limits->min_perf = int_ext_tofp(1); - limits->min_sysfs_pct = 100; -} - static DEFINE_MUTEX(intel_pstate_driver_lock); static DEFINE_MUTEX(intel_pstate_limits_lock); @@ -502,7 +497,7 @@ static void intel_pstate_init_acpi_perf_limits(struct cpufreq_policy *policy) * correct max turbo frequency based on the turbo state. * Also need to convert to MHz as _PSS freq is in MHz. */ - if (!limits->turbo_disabled) + if (!global.turbo_disabled) cpu->acpi_perf_data.states[0].core_frequency = policy->cpuinfo.max_freq / 1000; cpu->valid_pss_table = true; @@ -621,7 +616,7 @@ static inline void update_turbo_state(void) cpu = all_cpu_data[0]; rdmsrl(MSR_IA32_MISC_ENABLE, misc_en); - limits->turbo_disabled = + global.turbo_disabled = (misc_en & MSR_IA32_MISC_ENABLE_TURBO_DISABLE || cpu->pstate.max_pstate == cpu->pstate.turbo_pstate); } @@ -845,12 +840,11 @@ static struct freq_attr *hwp_cpufreq_attrs[] = { static void intel_pstate_hwp_set(struct cpufreq_policy *policy) { - int min, hw_min, max, hw_max, cpu, range, adj_range; - struct perf_limits *perf_limits = limits; + int min, hw_min, max, hw_max, cpu; + struct perf_limits *perf_limits = &global; u64 value, cap; for_each_cpu(cpu, policy->cpus) { - int max_perf_pct, min_perf_pct; struct cpudata *cpu_data = all_cpu_data[cpu]; s16 epp; @@ -859,24 +853,22 @@ static void intel_pstate_hwp_set(struct cpufreq_policy *policy) rdmsrl_on_cpu(cpu, MSR_HWP_CAPABILITIES, &cap); hw_min = HWP_LOWEST_PERF(cap); - if (limits->no_turbo) + if (global.no_turbo) hw_max = HWP_GUARANTEED_PERF(cap); else hw_max = HWP_HIGHEST_PERF(cap); - range = hw_max - hw_min; - max_perf_pct = perf_limits->max_perf_pct; - min_perf_pct = perf_limits->min_perf_pct; + max = fp_ext_toint(hw_max * perf_limits->max_perf); + if (cpu_data->policy == CPUFREQ_POLICY_PERFORMANCE) + min = max; + else + min = fp_ext_toint(hw_max * perf_limits->min_perf); rdmsrl_on_cpu(cpu, MSR_HWP_REQUEST, &value); - adj_range = min_perf_pct * range / 100; - min = hw_min + adj_range; + value &= ~HWP_MIN_PERF(~0L); value |= HWP_MIN_PERF(min); - adj_range = max_perf_pct * range / 100; - max = hw_min + adj_range; - value &= ~HWP_MAX_PERF(~0L); value |= HWP_MAX_PERF(max); @@ -969,26 +961,18 @@ static int intel_pstate_resume(struct cpufreq_policy *policy) } static void intel_pstate_update_policies(void) - __releases(&intel_pstate_limits_lock) - __acquires(&intel_pstate_limits_lock) { - struct perf_limits *saved_limits = limits; int cpu; - mutex_unlock(&intel_pstate_limits_lock); - for_each_possible_cpu(cpu) cpufreq_update_policy(cpu); - - mutex_lock(&intel_pstate_limits_lock); - - limits = saved_limits; } /************************** debugfs begin ************************/ static int pid_param_set(void *data, u64 val) { *(u32 *)data = val; + pid_params.sample_rate_ns = pid_params.sample_rate_ms * NSEC_PER_MSEC; intel_pstate_reset_all_pid(); return 0; } @@ -1060,7 +1044,7 @@ static void intel_pstate_debug_hide_params(void) static ssize_t show_##file_name \ (struct kobject *kobj, struct attribute *attr, char *buf) \ { \ - return sprintf(buf, "%u\n", limits->object); \ + return sprintf(buf, "%u\n", global.object); \ } static ssize_t intel_pstate_show_status(char *buf); @@ -1151,10 +1135,10 @@ static ssize_t show_no_turbo(struct kobject *kobj, } update_turbo_state(); - if (limits->turbo_disabled) - ret = sprintf(buf, "%u\n", limits->turbo_disabled); + if (global.turbo_disabled) + ret = sprintf(buf, "%u\n", global.turbo_disabled); else - ret = sprintf(buf, "%u\n", limits->no_turbo); + ret = sprintf(buf, "%u\n", global.no_turbo); mutex_unlock(&intel_pstate_driver_lock); @@ -1181,19 +1165,19 @@ static ssize_t store_no_turbo(struct kobject *a, struct attribute *b, mutex_lock(&intel_pstate_limits_lock); update_turbo_state(); - if (limits->turbo_disabled) { + if (global.turbo_disabled) { pr_warn("Turbo disabled by BIOS or unavailable on processor\n"); mutex_unlock(&intel_pstate_limits_lock); mutex_unlock(&intel_pstate_driver_lock); return -EPERM; } - limits->no_turbo = clamp_t(int, input, 0, 1); - - intel_pstate_update_policies(); + global.no_turbo = clamp_t(int, input, 0, 1); mutex_unlock(&intel_pstate_limits_lock); + intel_pstate_update_policies(); + mutex_unlock(&intel_pstate_driver_lock); return count; @@ -1218,19 +1202,16 @@ static ssize_t store_max_perf_pct(struct kobject *a, struct attribute *b, mutex_lock(&intel_pstate_limits_lock); - limits->max_sysfs_pct = clamp_t(int, input, 0 , 100); - limits->max_perf_pct = min(limits->max_policy_pct, - limits->max_sysfs_pct); - limits->max_perf_pct = max(limits->min_policy_pct, - limits->max_perf_pct); - limits->max_perf_pct = max(limits->min_perf_pct, - limits->max_perf_pct); - limits->max_perf = div_ext_fp(limits->max_perf_pct, 100); - - intel_pstate_update_policies(); + global.max_sysfs_pct = clamp_t(int, input, 0 , 100); + global.max_perf_pct = min(global.max_policy_pct, global.max_sysfs_pct); + global.max_perf_pct = max(global.min_policy_pct, global.max_perf_pct); + global.max_perf_pct = max(global.min_perf_pct, global.max_perf_pct); + global.max_perf = percent_ext_fp(global.max_perf_pct); mutex_unlock(&intel_pstate_limits_lock); + intel_pstate_update_policies(); + mutex_unlock(&intel_pstate_driver_lock); return count; @@ -1255,19 +1236,16 @@ static ssize_t store_min_perf_pct(struct kobject *a, struct attribute *b, mutex_lock(&intel_pstate_limits_lock); - limits->min_sysfs_pct = clamp_t(int, input, 0 , 100); - limits->min_perf_pct = max(limits->min_policy_pct, - limits->min_sysfs_pct); - limits->min_perf_pct = min(limits->max_policy_pct, - limits->min_perf_pct); - limits->min_perf_pct = min(limits->max_perf_pct, - limits->min_perf_pct); - limits->min_perf = div_ext_fp(limits->min_perf_pct, 100); - - intel_pstate_update_policies(); + global.min_sysfs_pct = clamp_t(int, input, 0 , 100); + global.min_perf_pct = max(global.min_policy_pct, global.min_sysfs_pct); + global.min_perf_pct = min(global.max_policy_pct, global.min_perf_pct); + global.min_perf_pct = min(global.max_perf_pct, global.min_perf_pct); + global.min_perf = percent_ext_fp(global.min_perf_pct); mutex_unlock(&intel_pstate_limits_lock); + intel_pstate_update_policies(); + mutex_unlock(&intel_pstate_driver_lock); return count; @@ -1387,7 +1365,7 @@ static u64 atom_get_val(struct cpudata *cpudata, int pstate) u32 vid; val = (u64)pstate << 8; - if (limits->no_turbo && !limits->turbo_disabled) + if (global.no_turbo && !global.turbo_disabled) val |= (u64)1 << 32; vid_fp = cpudata->vid.min + mul_fp( @@ -1557,7 +1535,7 @@ static u64 core_get_val(struct cpudata *cpudata, int pstate) u64 val; val = (u64)pstate << 8; - if (limits->no_turbo && !limits->turbo_disabled) + if (global.no_turbo && !global.turbo_disabled) val |= (u64)1 << 32; return val; @@ -1683,9 +1661,9 @@ static void intel_pstate_get_min_max(struct cpudata *cpu, int *min, int *max) int max_perf = cpu->pstate.turbo_pstate; int max_perf_adj; int min_perf; - struct perf_limits *perf_limits = limits; + struct perf_limits *perf_limits = &global; - if (limits->no_turbo || limits->turbo_disabled) + if (global.no_turbo || global.turbo_disabled) max_perf = cpu->pstate.max_pstate; if (per_cpu_limits) @@ -1820,7 +1798,7 @@ static inline int32_t get_target_pstate_use_cpu_load(struct cpudata *cpu) sample->busy_scaled = busy_frac * 100; - target = limits->no_turbo || limits->turbo_disabled ? + target = global.no_turbo || global.turbo_disabled ? cpu->pstate.max_pstate : cpu->pstate.turbo_pstate; target += target >> 2; target = mul_fp(target, busy_frac); @@ -2080,36 +2058,34 @@ static void intel_pstate_clear_update_util_hook(unsigned int cpu) static void intel_pstate_update_perf_limits(struct cpufreq_policy *policy, struct perf_limits *limits) { + int32_t max_policy_perf, min_policy_perf; - limits->max_policy_pct = DIV_ROUND_UP(policy->max * 100, - policy->cpuinfo.max_freq); - limits->max_policy_pct = clamp_t(int, limits->max_policy_pct, 0, 100); + max_policy_perf = div_ext_fp(policy->max, policy->cpuinfo.max_freq); + max_policy_perf = clamp_t(int32_t, max_policy_perf, 0, int_ext_tofp(1)); if (policy->max == policy->min) { - limits->min_policy_pct = limits->max_policy_pct; + min_policy_perf = max_policy_perf; } else { - limits->min_policy_pct = DIV_ROUND_UP(policy->min * 100, - policy->cpuinfo.max_freq); - limits->min_policy_pct = clamp_t(int, limits->min_policy_pct, - 0, 100); + min_policy_perf = div_ext_fp(policy->min, + policy->cpuinfo.max_freq); + min_policy_perf = clamp_t(int32_t, min_policy_perf, + 0, max_policy_perf); } - /* Normalize user input to [min_policy_pct, max_policy_pct] */ - limits->min_perf_pct = max(limits->min_policy_pct, - limits->min_sysfs_pct); - limits->min_perf_pct = min(limits->max_policy_pct, - limits->min_perf_pct); - limits->max_perf_pct = min(limits->max_policy_pct, - limits->max_sysfs_pct); - limits->max_perf_pct = max(limits->min_policy_pct, - limits->max_perf_pct); - - /* Make sure min_perf_pct <= max_perf_pct */ - limits->min_perf_pct = min(limits->max_perf_pct, limits->min_perf_pct); - - limits->min_perf = div_ext_fp(limits->min_perf_pct, 100); - limits->max_perf = div_ext_fp(limits->max_perf_pct, 100); + /* Normalize user input to [min_perf, max_perf] */ + limits->min_perf = max(min_policy_perf, + percent_ext_fp(limits->min_sysfs_pct)); + limits->min_perf = min(limits->min_perf, max_policy_perf); + limits->max_perf = min(max_policy_perf, + percent_ext_fp(limits->max_sysfs_pct)); + limits->max_perf = max(min_policy_perf, limits->max_perf); + + /* Make sure min_perf <= max_perf */ + limits->min_perf = min(limits->min_perf, limits->max_perf); + limits->max_perf = round_up(limits->max_perf, EXT_FRAC_BITS); limits->min_perf = round_up(limits->min_perf, EXT_FRAC_BITS); + limits->max_perf_pct = fp_ext_toint(limits->max_perf * 100); + limits->min_perf_pct = fp_ext_toint(limits->min_perf * 100); pr_debug("cpu:%d max_perf_pct:%d min_perf_pct:%d\n", policy->cpu, limits->max_perf_pct, limits->min_perf_pct); @@ -2118,7 +2094,7 @@ static void intel_pstate_update_perf_limits(struct cpufreq_policy *policy, static int intel_pstate_set_policy(struct cpufreq_policy *policy) { struct cpudata *cpu; - struct perf_limits *perf_limits = NULL; + struct perf_limits *perf_limits = &global; if (!policy->cpuinfo.max_freq) return -ENODEV; @@ -2141,21 +2117,6 @@ static int intel_pstate_set_policy(struct cpufreq_policy *policy) mutex_lock(&intel_pstate_limits_lock); - if (policy->policy == CPUFREQ_POLICY_PERFORMANCE) { - pr_debug("set performance\n"); - if (!perf_limits) { - limits = &performance_limits; - perf_limits = limits; - } - } else { - pr_debug("set powersave\n"); - if (!perf_limits) { - limits = &powersave_limits; - perf_limits = limits; - } - - } - intel_pstate_update_perf_limits(policy, perf_limits); if (cpu->policy == CPUFREQ_POLICY_PERFORMANCE) { @@ -2179,16 +2140,9 @@ static int intel_pstate_set_policy(struct cpufreq_policy *policy) static int intel_pstate_verify_policy(struct cpufreq_policy *policy) { struct cpudata *cpu = all_cpu_data[policy->cpu]; - struct perf_limits *perf_limits; - - if (policy->policy == CPUFREQ_POLICY_PERFORMANCE) - perf_limits = &performance_limits; - else - perf_limits = &powersave_limits; update_turbo_state(); - policy->cpuinfo.max_freq = perf_limits->turbo_disabled || - perf_limits->no_turbo ? + policy->cpuinfo.max_freq = global.turbo_disabled || global.no_turbo ? cpu->pstate.max_freq : cpu->pstate.turbo_freq; @@ -2203,9 +2157,9 @@ static int intel_pstate_verify_policy(struct cpufreq_policy *policy) unsigned int max_freq, min_freq; max_freq = policy->cpuinfo.max_freq * - perf_limits->max_sysfs_pct / 100; + global.max_sysfs_pct / 100; min_freq = policy->cpuinfo.max_freq * - perf_limits->min_sysfs_pct / 100; + global.min_sysfs_pct / 100; cpufreq_verify_within_limits(policy, min_freq, max_freq); } @@ -2257,7 +2211,7 @@ static int __intel_pstate_cpu_init(struct cpufreq_policy *policy) /* cpuinfo and default policy values */ policy->cpuinfo.min_freq = cpu->pstate.min_pstate * cpu->pstate.scaling; update_turbo_state(); - policy->cpuinfo.max_freq = limits->turbo_disabled ? + policy->cpuinfo.max_freq = global.turbo_disabled ? cpu->pstate.max_pstate : cpu->pstate.turbo_pstate; policy->cpuinfo.max_freq *= cpu->pstate.scaling; @@ -2277,7 +2231,7 @@ static int intel_pstate_cpu_init(struct cpufreq_policy *policy) return ret; policy->cpuinfo.transition_latency = CPUFREQ_ETERNAL; - if (limits->min_perf_pct == 100 && limits->max_perf_pct == 100) + if (IS_ENABLED(CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE)) policy->policy = CPUFREQ_POLICY_PERFORMANCE; else policy->policy = CPUFREQ_POLICY_POWERSAVE; @@ -2303,7 +2257,7 @@ static int intel_cpufreq_verify_policy(struct cpufreq_policy *policy) struct cpudata *cpu = all_cpu_data[policy->cpu]; update_turbo_state(); - policy->cpuinfo.max_freq = limits->turbo_disabled ? + policy->cpuinfo.max_freq = global.no_turbo || global.turbo_disabled ? cpu->pstate.max_freq : cpu->pstate.turbo_freq; cpufreq_verify_within_cpu_limits(policy); @@ -2311,26 +2265,6 @@ static int intel_cpufreq_verify_policy(struct cpufreq_policy *policy) return 0; } -static unsigned int intel_cpufreq_turbo_update(struct cpudata *cpu, - struct cpufreq_policy *policy, - unsigned int target_freq) -{ - unsigned int max_freq; - - update_turbo_state(); - - max_freq = limits->no_turbo || limits->turbo_disabled ? - cpu->pstate.max_freq : cpu->pstate.turbo_freq; - policy->cpuinfo.max_freq = max_freq; - if (policy->max > max_freq) - policy->max = max_freq; - - if (target_freq > max_freq) - target_freq = max_freq; - - return target_freq; -} - static int intel_cpufreq_target(struct cpufreq_policy *policy, unsigned int target_freq, unsigned int relation) @@ -2339,8 +2273,10 @@ static int intel_cpufreq_target(struct cpufreq_policy *policy, struct cpufreq_freqs freqs; int target_pstate; + update_turbo_state(); + freqs.old = policy->cur; - freqs.new = intel_cpufreq_turbo_update(cpu, policy, target_freq); + freqs.new = target_freq; cpufreq_freq_transition_begin(policy, &freqs); switch (relation) { @@ -2372,7 +2308,8 @@ static unsigned int intel_cpufreq_fast_switch(struct cpufreq_policy *policy, struct cpudata *cpu = all_cpu_data[policy->cpu]; int target_pstate; - target_freq = intel_cpufreq_turbo_update(cpu, policy, target_freq); + update_turbo_state(); + target_pstate = DIV_ROUND_UP(target_freq, cpu->pstate.scaling); target_pstate = intel_pstate_prepare_request(cpu, target_pstate); intel_pstate_update_pstate(cpu, target_pstate); @@ -2427,13 +2364,7 @@ static int intel_pstate_register_driver(void) { int ret; - intel_pstate_init_limits(&powersave_limits); - intel_pstate_set_performance_limits(&performance_limits); - if (IS_ENABLED(CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE) && - intel_pstate_driver == &intel_pstate) - limits = &performance_limits; - else - limits = &powersave_limits; + intel_pstate_init_limits(&global); ret = cpufreq_register_driver(intel_pstate_driver); if (ret) { diff --git a/drivers/cpuidle/cpuidle-powernv.c b/drivers/cpuidle/cpuidle-powernv.c index 3705930..cda8f62 100644 --- a/drivers/cpuidle/cpuidle-powernv.c +++ b/drivers/cpuidle/cpuidle-powernv.c @@ -175,6 +175,24 @@ static int powernv_cpuidle_driver_init(void) drv->state_count += 1; } + /* + * On the PowerNV platform cpu_present may be less than cpu_possible in + * cases when firmware detects the CPU, but it is not available to the + * OS. If CONFIG_HOTPLUG_CPU=n, then such CPUs are not hotplugable at + * run time and hence cpu_devices are not created for those CPUs by the + * generic topology_init(). + * + * drv->cpumask defaults to cpu_possible_mask in + * __cpuidle_driver_init(). This breaks cpuidle on PowerNV where + * cpu_devices are not created for CPUs in cpu_possible_mask that + * cannot be hot-added later at run time. + * + * Trying cpuidle_register_device() on a CPU without a cpu_device is + * incorrect, so pass a correct CPU mask to the generic cpuidle driver. + */ + + drv->cpumask = (struct cpumask *)cpu_present_mask; + return 0; } diff --git a/drivers/cpuidle/sysfs.c b/drivers/cpuidle/sysfs.c index c5adc8c..ae948b1 100644 --- a/drivers/cpuidle/sysfs.c +++ b/drivers/cpuidle/sysfs.c @@ -615,6 +615,18 @@ int cpuidle_add_sysfs(struct cpuidle_device *dev) struct device *cpu_dev = get_cpu_device((unsigned long)dev->cpu); int error; + /* + * Return if cpu_device is not setup for this CPU. + * + * This could happen if the arch did not set up cpu_device + * since this CPU is not in cpu_present mask and the + * driver did not send a correct CPU mask during registration. + * Without this check we would end up passing bogus + * value for &cpu_dev->kobj in kobject_init_and_add() + */ + if (!cpu_dev) + return -ENODEV; + kdev = kzalloc(sizeof(*kdev), GFP_KERNEL); if (!kdev) return -ENOMEM; diff --git a/drivers/crypto/caam/caampkc.c b/drivers/crypto/caam/caampkc.c index 32100c4..49cbdcb 100644 --- a/drivers/crypto/caam/caampkc.c +++ b/drivers/crypto/caam/caampkc.c @@ -506,7 +506,7 @@ static int caam_rsa_init_tfm(struct crypto_akcipher *tfm) ctx->dev = caam_jr_alloc(); if (IS_ERR(ctx->dev)) { - dev_err(ctx->dev, "Job Ring Device allocation for transform failed\n"); + pr_err("Job Ring Device allocation for transform failed\n"); return PTR_ERR(ctx->dev); } diff --git a/drivers/crypto/caam/ctrl.c b/drivers/crypto/caam/ctrl.c index fef39f9..5d7f73d 100644 --- a/drivers/crypto/caam/ctrl.c +++ b/drivers/crypto/caam/ctrl.c @@ -281,7 +281,8 @@ static int deinstantiate_rng(struct device *ctrldev, int state_handle_mask) /* Try to run it through DECO0 */ ret = run_descriptor_deco0(ctrldev, desc, &status); - if (ret || status) { + if (ret || + (status && status != JRSTA_SSRC_JUMP_HALT_CC)) { dev_err(ctrldev, "Failed to deinstantiate RNG4 SH%d\n", sh_idx); @@ -301,15 +302,13 @@ static int caam_remove(struct platform_device *pdev) struct device *ctrldev; struct caam_drv_private *ctrlpriv; struct caam_ctrl __iomem *ctrl; - int ring; ctrldev = &pdev->dev; ctrlpriv = dev_get_drvdata(ctrldev); ctrl = (struct caam_ctrl __iomem *)ctrlpriv->ctrl; - /* Remove platform devices for JobRs */ - for (ring = 0; ring < ctrlpriv->total_jobrs; ring++) - of_device_unregister(ctrlpriv->jrpdev[ring]); + /* Remove platform devices under the crypto node */ + of_platform_depopulate(ctrldev); /* De-initialize RNG state handles initialized by this driver. */ if (ctrlpriv->rng4_sh_init) @@ -418,10 +417,21 @@ DEFINE_SIMPLE_ATTRIBUTE(caam_fops_u32_ro, caam_debugfs_u32_get, NULL, "%llu\n"); DEFINE_SIMPLE_ATTRIBUTE(caam_fops_u64_ro, caam_debugfs_u64_get, NULL, "%llu\n"); #endif +static const struct of_device_id caam_match[] = { + { + .compatible = "fsl,sec-v4.0", + }, + { + .compatible = "fsl,sec4.0", + }, + {}, +}; +MODULE_DEVICE_TABLE(of, caam_match); + /* Probe routine for CAAM top (controller) level */ static int caam_probe(struct platform_device *pdev) { - int ret, ring, ridx, rspec, gen_sk, ent_delay = RTSDCTL_ENT_DLY_MIN; + int ret, ring, gen_sk, ent_delay = RTSDCTL_ENT_DLY_MIN; u64 caam_id; struct device *dev; struct device_node *nprop, *np; @@ -597,47 +607,24 @@ static int caam_probe(struct platform_device *pdev) goto iounmap_ctrl; } - /* - * Detect and enable JobRs - * First, find out how many ring spec'ed, allocate references - * for all, then go probe each one. - */ - rspec = 0; - for_each_available_child_of_node(nprop, np) - if (of_device_is_compatible(np, "fsl,sec-v4.0-job-ring") || - of_device_is_compatible(np, "fsl,sec4.0-job-ring")) - rspec++; - - ctrlpriv->jrpdev = devm_kcalloc(&pdev->dev, rspec, - sizeof(*ctrlpriv->jrpdev), GFP_KERNEL); - if (ctrlpriv->jrpdev == NULL) { - ret = -ENOMEM; + ret = of_platform_populate(nprop, caam_match, NULL, dev); + if (ret) { + dev_err(dev, "JR platform devices creation error\n"); goto iounmap_ctrl; } ring = 0; - ridx = 0; - ctrlpriv->total_jobrs = 0; for_each_available_child_of_node(nprop, np) if (of_device_is_compatible(np, "fsl,sec-v4.0-job-ring") || of_device_is_compatible(np, "fsl,sec4.0-job-ring")) { - ctrlpriv->jrpdev[ring] = - of_platform_device_create(np, NULL, dev); - if (!ctrlpriv->jrpdev[ring]) { - pr_warn("JR physical index %d: Platform device creation error\n", - ridx); - ridx++; - continue; - } ctrlpriv->jr[ring] = (struct caam_job_ring __iomem __force *) ((__force uint8_t *)ctrl + - (ridx + JR_BLOCK_NUMBER) * + (ring + JR_BLOCK_NUMBER) * BLOCK_OFFSET ); ctrlpriv->total_jobrs++; ring++; - ridx++; - } + } /* Check to see if QI present. If so, enable */ ctrlpriv->qi_present = @@ -847,17 +834,6 @@ disable_caam_ipg: return ret; } -static struct of_device_id caam_match[] = { - { - .compatible = "fsl,sec-v4.0", - }, - { - .compatible = "fsl,sec4.0", - }, - {}, -}; -MODULE_DEVICE_TABLE(of, caam_match); - static struct platform_driver caam_driver = { .driver = { .name = "caam", diff --git a/drivers/crypto/caam/intern.h b/drivers/crypto/caam/intern.h index e2bcacc..dbed8ba 100644 --- a/drivers/crypto/caam/intern.h +++ b/drivers/crypto/caam/intern.h @@ -66,7 +66,6 @@ struct caam_drv_private_jr { struct caam_drv_private { struct device *dev; - struct platform_device **jrpdev; /* Alloc'ed array per sub-device */ struct platform_device *pdev; /* Physical-presence section */ diff --git a/drivers/crypto/ccp/ccp-dev-v5.c b/drivers/crypto/ccp/ccp-dev-v5.c index 41cc853..fc08b4e 100644 --- a/drivers/crypto/ccp/ccp-dev-v5.c +++ b/drivers/crypto/ccp/ccp-dev-v5.c @@ -1015,6 +1015,7 @@ const struct ccp_vdata ccpv5a = { const struct ccp_vdata ccpv5b = { .version = CCP_VERSION(5, 0), + .dma_chan_attr = DMA_PRIVATE, .setup = ccp5other_config, .perform = &ccp5_actions, .bar = 2, diff --git a/drivers/crypto/ccp/ccp-dev.c b/drivers/crypto/ccp/ccp-dev.c index 511ab04..92d1c69 100644 --- a/drivers/crypto/ccp/ccp-dev.c +++ b/drivers/crypto/ccp/ccp-dev.c @@ -283,11 +283,14 @@ EXPORT_SYMBOL_GPL(ccp_version); */ int ccp_enqueue_cmd(struct ccp_cmd *cmd) { - struct ccp_device *ccp = ccp_get_device(); + struct ccp_device *ccp; unsigned long flags; unsigned int i; int ret; + /* Some commands might need to be sent to a specific device */ + ccp = cmd->ccp ? cmd->ccp : ccp_get_device(); + if (!ccp) return -ENODEV; diff --git a/drivers/crypto/ccp/ccp-dev.h b/drivers/crypto/ccp/ccp-dev.h index 2b5c01f..aa36f3f 100644 --- a/drivers/crypto/ccp/ccp-dev.h +++ b/drivers/crypto/ccp/ccp-dev.h @@ -179,6 +179,10 @@ /* ------------------------ General CCP Defines ------------------------ */ +#define CCP_DMA_DFLT 0x0 +#define CCP_DMA_PRIV 0x1 +#define CCP_DMA_PUB 0x2 + #define CCP_DMAPOOL_MAX_SIZE 64 #define CCP_DMAPOOL_ALIGN BIT(5) @@ -636,6 +640,7 @@ struct ccp_actions { /* Structure to hold CCP version-specific values */ struct ccp_vdata { const unsigned int version; + const unsigned int dma_chan_attr; void (*setup)(struct ccp_device *); const struct ccp_actions *perform; const unsigned int bar; diff --git a/drivers/crypto/ccp/ccp-dmaengine.c b/drivers/crypto/ccp/ccp-dmaengine.c index e5d9278..e00be01 100644 --- a/drivers/crypto/ccp/ccp-dmaengine.c +++ b/drivers/crypto/ccp/ccp-dmaengine.c @@ -10,6 +10,7 @@ * published by the Free Software Foundation. */ +#include <linux/module.h> #include <linux/kernel.h> #include <linux/dmaengine.h> #include <linux/spinlock.h> @@ -25,6 +26,37 @@ (mask == 0) ? 64 : fls64(mask); \ }) +/* The CCP as a DMA provider can be configured for public or private + * channels. Default is specified in the vdata for the device (PCI ID). + * This module parameter will override for all channels on all devices: + * dma_chan_attr = 0x2 to force all channels public + * = 0x1 to force all channels private + * = 0x0 to defer to the vdata setting + * = any other value: warning, revert to 0x0 + */ +static unsigned int dma_chan_attr = CCP_DMA_DFLT; +module_param(dma_chan_attr, uint, 0444); +MODULE_PARM_DESC(dma_chan_attr, "Set DMA channel visibility: 0 (default) = device defaults, 1 = make private, 2 = make public"); + +unsigned int ccp_get_dma_chan_attr(struct ccp_device *ccp) +{ + switch (dma_chan_attr) { + case CCP_DMA_DFLT: + return ccp->vdata->dma_chan_attr; + + case CCP_DMA_PRIV: + return DMA_PRIVATE; + + case CCP_DMA_PUB: + return 0; + + default: + dev_info_once(ccp->dev, "Invalid value for dma_chan_attr: %d\n", + dma_chan_attr); + return ccp->vdata->dma_chan_attr; + } +} + static void ccp_free_cmd_resources(struct ccp_device *ccp, struct list_head *list) { @@ -390,6 +422,7 @@ static struct ccp_dma_desc *ccp_create_desc(struct dma_chan *dma_chan, goto err; ccp_cmd = &cmd->ccp_cmd; + ccp_cmd->ccp = chan->ccp; ccp_pt = &ccp_cmd->u.passthru_nomap; ccp_cmd->flags = CCP_CMD_MAY_BACKLOG; ccp_cmd->flags |= CCP_CMD_PASSTHRU_NO_DMA_MAP; @@ -674,6 +707,15 @@ int ccp_dmaengine_register(struct ccp_device *ccp) dma_cap_set(DMA_SG, dma_dev->cap_mask); dma_cap_set(DMA_INTERRUPT, dma_dev->cap_mask); + /* The DMA channels for this device can be set to public or private, + * and overridden by the module parameter dma_chan_attr. + * Default: according to the value in vdata (dma_chan_attr=0) + * dma_chan_attr=0x1: all channels private (override vdata) + * dma_chan_attr=0x2: all channels public (override vdata) + */ + if (ccp_get_dma_chan_attr(ccp) == DMA_PRIVATE) + dma_cap_set(DMA_PRIVATE, dma_dev->cap_mask); + INIT_LIST_HEAD(&dma_dev->channels); for (i = 0; i < ccp->cmd_q_count; i++) { chan = ccp->ccp_dma_chan + i; diff --git a/drivers/crypto/s5p-sss.c b/drivers/crypto/s5p-sss.c index dce1af0..1b9da3d 100644 --- a/drivers/crypto/s5p-sss.c +++ b/drivers/crypto/s5p-sss.c @@ -270,7 +270,7 @@ static void s5p_sg_copy_buf(void *buf, struct scatterlist *sg, scatterwalk_done(&walk, out, 0); } -static void s5p_aes_complete(struct s5p_aes_dev *dev, int err) +static void s5p_sg_done(struct s5p_aes_dev *dev) { if (dev->sg_dst_cpy) { dev_dbg(dev->dev, @@ -281,8 +281,11 @@ static void s5p_aes_complete(struct s5p_aes_dev *dev, int err) } s5p_free_sg_cpy(dev, &dev->sg_src_cpy); s5p_free_sg_cpy(dev, &dev->sg_dst_cpy); +} - /* holding a lock outside */ +/* Calls the completion. Cannot be called with dev->lock hold. */ +static void s5p_aes_complete(struct s5p_aes_dev *dev, int err) +{ dev->req->base.complete(&dev->req->base, err); dev->busy = false; } @@ -368,51 +371,44 @@ exit: } /* - * Returns true if new transmitting (output) data is ready and its - * address+length have to be written to device (by calling - * s5p_set_dma_outdata()). False otherwise. + * Returns -ERRNO on error (mapping of new data failed). + * On success returns: + * - 0 if there is no more data, + * - 1 if new transmitting (output) data is ready and its address+length + * have to be written to device (by calling s5p_set_dma_outdata()). */ -static bool s5p_aes_tx(struct s5p_aes_dev *dev) +static int s5p_aes_tx(struct s5p_aes_dev *dev) { - int err = 0; - bool ret = false; + int ret = 0; s5p_unset_outdata(dev); if (!sg_is_last(dev->sg_dst)) { - err = s5p_set_outdata(dev, sg_next(dev->sg_dst)); - if (err) - s5p_aes_complete(dev, err); - else - ret = true; - } else { - s5p_aes_complete(dev, err); - - dev->busy = true; - tasklet_schedule(&dev->tasklet); + ret = s5p_set_outdata(dev, sg_next(dev->sg_dst)); + if (!ret) + ret = 1; } return ret; } /* - * Returns true if new receiving (input) data is ready and its - * address+length have to be written to device (by calling - * s5p_set_dma_indata()). False otherwise. + * Returns -ERRNO on error (mapping of new data failed). + * On success returns: + * - 0 if there is no more data, + * - 1 if new receiving (input) data is ready and its address+length + * have to be written to device (by calling s5p_set_dma_indata()). */ -static bool s5p_aes_rx(struct s5p_aes_dev *dev) +static int s5p_aes_rx(struct s5p_aes_dev *dev/*, bool *set_dma*/) { - int err; - bool ret = false; + int ret = 0; s5p_unset_indata(dev); if (!sg_is_last(dev->sg_src)) { - err = s5p_set_indata(dev, sg_next(dev->sg_src)); - if (err) - s5p_aes_complete(dev, err); - else - ret = true; + ret = s5p_set_indata(dev, sg_next(dev->sg_src)); + if (!ret) + ret = 1; } return ret; @@ -422,33 +418,73 @@ static irqreturn_t s5p_aes_interrupt(int irq, void *dev_id) { struct platform_device *pdev = dev_id; struct s5p_aes_dev *dev = platform_get_drvdata(pdev); - bool set_dma_tx = false; - bool set_dma_rx = false; + int err_dma_tx = 0; + int err_dma_rx = 0; + bool tx_end = false; unsigned long flags; uint32_t status; + int err; spin_lock_irqsave(&dev->lock, flags); + /* + * Handle rx or tx interrupt. If there is still data (scatterlist did not + * reach end), then map next scatterlist entry. + * In case of such mapping error, s5p_aes_complete() should be called. + * + * If there is no more data in tx scatter list, call s5p_aes_complete() + * and schedule new tasklet. + */ status = SSS_READ(dev, FCINTSTAT); if (status & SSS_FCINTSTAT_BRDMAINT) - set_dma_rx = s5p_aes_rx(dev); - if (status & SSS_FCINTSTAT_BTDMAINT) - set_dma_tx = s5p_aes_tx(dev); + err_dma_rx = s5p_aes_rx(dev); + + if (status & SSS_FCINTSTAT_BTDMAINT) { + if (sg_is_last(dev->sg_dst)) + tx_end = true; + err_dma_tx = s5p_aes_tx(dev); + } SSS_WRITE(dev, FCINTPEND, status); - /* - * Writing length of DMA block (either receiving or transmitting) - * will start the operation immediately, so this should be done - * at the end (even after clearing pending interrupts to not miss the - * interrupt). - */ - if (set_dma_tx) - s5p_set_dma_outdata(dev, dev->sg_dst); - if (set_dma_rx) - s5p_set_dma_indata(dev, dev->sg_src); + if (err_dma_rx < 0) { + err = err_dma_rx; + goto error; + } + if (err_dma_tx < 0) { + err = err_dma_tx; + goto error; + } + + if (tx_end) { + s5p_sg_done(dev); + + spin_unlock_irqrestore(&dev->lock, flags); + + s5p_aes_complete(dev, 0); + dev->busy = true; + tasklet_schedule(&dev->tasklet); + } else { + /* + * Writing length of DMA block (either receiving or + * transmitting) will start the operation immediately, so this + * should be done at the end (even after clearing pending + * interrupts to not miss the interrupt). + */ + if (err_dma_tx == 1) + s5p_set_dma_outdata(dev, dev->sg_dst); + if (err_dma_rx == 1) + s5p_set_dma_indata(dev, dev->sg_src); + spin_unlock_irqrestore(&dev->lock, flags); + } + + return IRQ_HANDLED; + +error: + s5p_sg_done(dev); spin_unlock_irqrestore(&dev->lock, flags); + s5p_aes_complete(dev, err); return IRQ_HANDLED; } @@ -597,8 +633,9 @@ outdata_error: s5p_unset_indata(dev); indata_error: - s5p_aes_complete(dev, err); + s5p_sg_done(dev); spin_unlock_irqrestore(&dev->lock, flags); + s5p_aes_complete(dev, err); } static void s5p_tasklet_cb(unsigned long data) @@ -805,8 +842,9 @@ static int s5p_aes_probe(struct platform_device *pdev) dev_warn(dev, "feed control interrupt is not available.\n"); goto err_irq; } - err = devm_request_irq(dev, pdata->irq_fc, s5p_aes_interrupt, - IRQF_SHARED, pdev->name, pdev); + err = devm_request_threaded_irq(dev, pdata->irq_fc, NULL, + s5p_aes_interrupt, IRQF_ONESHOT, + pdev->name, pdev); if (err < 0) { dev_warn(dev, "feed control interrupt is not available.\n"); goto err_irq; diff --git a/drivers/dax/Kconfig b/drivers/dax/Kconfig index 3e2ab3b..9e95bf9 100644 --- a/drivers/dax/Kconfig +++ b/drivers/dax/Kconfig @@ -2,6 +2,7 @@ menuconfig DEV_DAX tristate "DAX: direct access to differentiated memory" default m if NVDIMM_DAX depends on TRANSPARENT_HUGEPAGE + select SRCU help Support raw access to differentiated (persistence, bandwidth, latency...) memory via an mmap(2) capable character diff --git a/drivers/dax/dax.c b/drivers/dax/dax.c index 8d9829f..806f180 100644 --- a/drivers/dax/dax.c +++ b/drivers/dax/dax.c @@ -25,6 +25,7 @@ #include "dax.h" static dev_t dax_devt; +DEFINE_STATIC_SRCU(dax_srcu); static struct class *dax_class; static DEFINE_IDA(dax_minor_ida); static int nr_dax = CONFIG_NR_DEV_DAX; @@ -60,7 +61,7 @@ struct dax_region { * @region - parent region * @dev - device backing the character device * @cdev - core chardev data - * @alive - !alive + rcu grace period == no new mappings can be established + * @alive - !alive + srcu grace period == no new mappings can be established * @id - child id in the region * @num_resources - number of physical address extents in this device * @res - array of physical address ranges @@ -427,6 +428,7 @@ static int __dax_dev_pte_fault(struct dax_dev *dax_dev, struct vm_fault *vmf) int rc = VM_FAULT_SIGBUS; phys_addr_t phys; pfn_t pfn; + unsigned int fault_size = PAGE_SIZE; if (check_vma(dax_dev, vmf->vma, __func__)) return VM_FAULT_SIGBUS; @@ -437,9 +439,12 @@ static int __dax_dev_pte_fault(struct dax_dev *dax_dev, struct vm_fault *vmf) return VM_FAULT_SIGBUS; } + if (fault_size != dax_region->align) + return VM_FAULT_SIGBUS; + phys = pgoff_to_phys(dax_dev, vmf->pgoff, PAGE_SIZE); if (phys == -1) { - dev_dbg(dev, "%s: phys_to_pgoff(%#lx) failed\n", __func__, + dev_dbg(dev, "%s: pgoff_to_phys(%#lx) failed\n", __func__, vmf->pgoff); return VM_FAULT_SIGBUS; } @@ -464,6 +469,7 @@ static int __dax_dev_pmd_fault(struct dax_dev *dax_dev, struct vm_fault *vmf) phys_addr_t phys; pgoff_t pgoff; pfn_t pfn; + unsigned int fault_size = PMD_SIZE; if (check_vma(dax_dev, vmf->vma, __func__)) return VM_FAULT_SIGBUS; @@ -480,10 +486,20 @@ static int __dax_dev_pmd_fault(struct dax_dev *dax_dev, struct vm_fault *vmf) return VM_FAULT_SIGBUS; } + if (fault_size < dax_region->align) + return VM_FAULT_SIGBUS; + else if (fault_size > dax_region->align) + return VM_FAULT_FALLBACK; + + /* if we are outside of the VMA */ + if (pmd_addr < vmf->vma->vm_start || + (pmd_addr + PMD_SIZE) > vmf->vma->vm_end) + return VM_FAULT_SIGBUS; + pgoff = linear_page_index(vmf->vma, pmd_addr); phys = pgoff_to_phys(dax_dev, pgoff, PMD_SIZE); if (phys == -1) { - dev_dbg(dev, "%s: phys_to_pgoff(%#lx) failed\n", __func__, + dev_dbg(dev, "%s: pgoff_to_phys(%#lx) failed\n", __func__, pgoff); return VM_FAULT_SIGBUS; } @@ -503,6 +519,8 @@ static int __dax_dev_pud_fault(struct dax_dev *dax_dev, struct vm_fault *vmf) phys_addr_t phys; pgoff_t pgoff; pfn_t pfn; + unsigned int fault_size = PUD_SIZE; + if (check_vma(dax_dev, vmf->vma, __func__)) return VM_FAULT_SIGBUS; @@ -519,10 +537,20 @@ static int __dax_dev_pud_fault(struct dax_dev *dax_dev, struct vm_fault *vmf) return VM_FAULT_SIGBUS; } + if (fault_size < dax_region->align) + return VM_FAULT_SIGBUS; + else if (fault_size > dax_region->align) + return VM_FAULT_FALLBACK; + + /* if we are outside of the VMA */ + if (pud_addr < vmf->vma->vm_start || + (pud_addr + PUD_SIZE) > vmf->vma->vm_end) + return VM_FAULT_SIGBUS; + pgoff = linear_page_index(vmf->vma, pud_addr); phys = pgoff_to_phys(dax_dev, pgoff, PUD_SIZE); if (phys == -1) { - dev_dbg(dev, "%s: phys_to_pgoff(%#lx) failed\n", __func__, + dev_dbg(dev, "%s: pgoff_to_phys(%#lx) failed\n", __func__, pgoff); return VM_FAULT_SIGBUS; } @@ -542,7 +570,7 @@ static int __dax_dev_pud_fault(struct dax_dev *dax_dev, struct vm_fault *vmf) static int dax_dev_huge_fault(struct vm_fault *vmf, enum page_entry_size pe_size) { - int rc; + int rc, id; struct file *filp = vmf->vma->vm_file; struct dax_dev *dax_dev = filp->private_data; @@ -551,7 +579,7 @@ static int dax_dev_huge_fault(struct vm_fault *vmf, ? "write" : "read", vmf->vma->vm_start, vmf->vma->vm_end); - rcu_read_lock(); + id = srcu_read_lock(&dax_srcu); switch (pe_size) { case PE_SIZE_PTE: rc = __dax_dev_pte_fault(dax_dev, vmf); @@ -565,7 +593,7 @@ static int dax_dev_huge_fault(struct vm_fault *vmf, default: return VM_FAULT_FALLBACK; } - rcu_read_unlock(); + srcu_read_unlock(&dax_srcu, id); return rc; } @@ -686,11 +714,11 @@ static void unregister_dax_dev(void *dev) * Note, rcu is not protecting the liveness of dax_dev, rcu is * ensuring that any fault handlers that might have seen * dax_dev->alive == true, have completed. Any fault handlers - * that start after synchronize_rcu() has started will abort + * that start after synchronize_srcu() has started will abort * upon seeing dax_dev->alive == false. */ dax_dev->alive = false; - synchronize_rcu(); + synchronize_srcu(&dax_srcu); unmap_mapping_range(dax_dev->inode->i_mapping, 0, 0, 1); cdev_del(cdev); device_unregister(dev); diff --git a/drivers/dma/bcm2835-dma.c b/drivers/dma/bcm2835-dma.c index e18dc59..6204cc3 100644 --- a/drivers/dma/bcm2835-dma.c +++ b/drivers/dma/bcm2835-dma.c @@ -251,8 +251,11 @@ static void bcm2835_dma_create_cb_set_length( */ /* have we filled in period_length yet? */ - if (*total_len + control_block->length < period_len) + if (*total_len + control_block->length < period_len) { + /* update number of bytes in this period so far */ + *total_len += control_block->length; return; + } /* calculate the length that remains to reach period_length */ control_block->length = period_len - *total_len; diff --git a/drivers/dma/dmaengine.c b/drivers/dma/dmaengine.c index 24e0221..d9118ec 100644 --- a/drivers/dma/dmaengine.c +++ b/drivers/dma/dmaengine.c @@ -1108,12 +1108,14 @@ static struct dmaengine_unmap_pool *__get_unmap_pool(int nr) switch (order) { case 0 ... 1: return &unmap_pool[0]; +#if IS_ENABLED(CONFIG_DMA_ENGINE_RAID) case 2 ... 4: return &unmap_pool[1]; case 5 ... 7: return &unmap_pool[2]; case 8: return &unmap_pool[3]; +#endif default: BUG(); return NULL; diff --git a/drivers/edac/Kconfig b/drivers/edac/Kconfig index 82d85cce..4773f28 100644 --- a/drivers/edac/Kconfig +++ b/drivers/edac/Kconfig @@ -43,6 +43,7 @@ config EDAC_LEGACY_SYSFS config EDAC_DEBUG bool "Debugging" + select DEBUG_FS help This turns on debugging information for the entire EDAC subsystem. You do so by inserting edac_module with "edac_debug_level=x." Valid @@ -259,6 +260,15 @@ config EDAC_SKX Support for error detection and correction the Intel Skylake server Integrated Memory Controllers. +config EDAC_PND2 + tristate "Intel Pondicherry2" + depends on EDAC_MM_EDAC && PCI && X86_64 && X86_MCE_INTEL + help + Support for error detection and correction on the Intel + Pondicherry2 Integrated Memory Controller. This SoC IP is + first used on the Apollo Lake platform and Denverton + micro-server but may appear on others in the future. + config EDAC_MPC85XX tristate "Freescale MPC83xx / MPC85xx" depends on EDAC_MM_EDAC && FSL_SOC diff --git a/drivers/edac/Makefile b/drivers/edac/Makefile index 88e472e..587107e 100644 --- a/drivers/edac/Makefile +++ b/drivers/edac/Makefile @@ -32,6 +32,7 @@ obj-$(CONFIG_EDAC_I7300) += i7300_edac.o obj-$(CONFIG_EDAC_I7CORE) += i7core_edac.o obj-$(CONFIG_EDAC_SBRIDGE) += sb_edac.o obj-$(CONFIG_EDAC_SKX) += skx_edac.o +obj-$(CONFIG_EDAC_PND2) += pnd2_edac.o obj-$(CONFIG_EDAC_E7XXX) += e7xxx_edac.o obj-$(CONFIG_EDAC_E752X) += e752x_edac.o obj-$(CONFIG_EDAC_I82443BXGX) += i82443bxgx_edac.o diff --git a/drivers/edac/i5000_edac.c b/drivers/edac/i5000_edac.c index 1670d27..f683919 100644 --- a/drivers/edac/i5000_edac.c +++ b/drivers/edac/i5000_edac.c @@ -1293,7 +1293,7 @@ static int i5000_init_csrows(struct mem_ctl_info *mci) dimm->mtype = MEM_FB_DDR2; /* ask what device type on this row */ - if (MTR_DRAM_WIDTH(mtr)) + if (MTR_DRAM_WIDTH(mtr) == 8) dimm->dtype = DEV_X8; else dimm->dtype = DEV_X4; diff --git a/drivers/edac/i5400_edac.c b/drivers/edac/i5400_edac.c index abf6ef2..37a9ba7 100644 --- a/drivers/edac/i5400_edac.c +++ b/drivers/edac/i5400_edac.c @@ -1207,13 +1207,14 @@ static int i5400_init_dimms(struct mem_ctl_info *mci) dimm->nr_pages = size_mb << 8; dimm->grain = 8; - dimm->dtype = MTR_DRAM_WIDTH(mtr) ? DEV_X8 : DEV_X4; + dimm->dtype = MTR_DRAM_WIDTH(mtr) == 8 ? + DEV_X8 : DEV_X4; dimm->mtype = MEM_FB_DDR2; /* * The eccc mechanism is SDDC (aka SECC), with * is similar to Chipkill. */ - dimm->edac_mode = MTR_DRAM_WIDTH(mtr) ? + dimm->edac_mode = MTR_DRAM_WIDTH(mtr) == 8 ? EDAC_S8ECD8ED : EDAC_S4ECD4ED; ndimms++; } diff --git a/drivers/edac/pnd2_edac.c b/drivers/edac/pnd2_edac.c new file mode 100644 index 0000000..928e0db --- /dev/null +++ b/drivers/edac/pnd2_edac.c @@ -0,0 +1,1546 @@ +/* + * Driver for Pondicherry2 memory controller. + * + * Copyright (c) 2016, Intel Corporation. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * [Derived from sb_edac.c] + * + * Translation of system physical addresses to DIMM addresses + * is a two stage process: + * + * First the Pondicherry 2 memory controller handles slice and channel interleaving + * in "sys2pmi()". This is (almost) completley common between platforms. + * + * Then a platform specific dunit (DIMM unit) completes the process to provide DIMM, + * rank, bank, row and column using the appropriate "dunit_ops" functions/parameters. + */ + +#include <linux/module.h> +#include <linux/init.h> +#include <linux/pci.h> +#include <linux/pci_ids.h> +#include <linux/slab.h> +#include <linux/delay.h> +#include <linux/edac.h> +#include <linux/mmzone.h> +#include <linux/smp.h> +#include <linux/bitmap.h> +#include <linux/math64.h> +#include <linux/mod_devicetable.h> +#include <asm/cpu_device_id.h> +#include <asm/intel-family.h> +#include <asm/processor.h> +#include <asm/mce.h> + +#include "edac_mc.h" +#include "edac_module.h" +#include "pnd2_edac.h" + +#define APL_NUM_CHANNELS 4 +#define DNV_NUM_CHANNELS 2 +#define DNV_MAX_DIMMS 2 /* Max DIMMs per channel */ + +enum type { + APL, + DNV, /* All requests go to PMI CH0 on each slice (CH1 disabled) */ +}; + +struct dram_addr { + int chan; + int dimm; + int rank; + int bank; + int row; + int col; +}; + +struct pnd2_pvt { + int dimm_geom[APL_NUM_CHANNELS]; + u64 tolm, tohm; +}; + +/* + * System address space is divided into multiple regions with + * different interleave rules in each. The as0/as1 regions + * have no interleaving at all. The as2 region is interleaved + * between two channels. The mot region is magic and may overlap + * other regions, with its interleave rules taking precedence. + * Addresses not in any of these regions are interleaved across + * all four channels. + */ +static struct region { + u64 base; + u64 limit; + u8 enabled; +} mot, as0, as1, as2; + +static struct dunit_ops { + char *name; + enum type type; + int pmiaddr_shift; + int pmiidx_shift; + int channels; + int dimms_per_channel; + int (*rd_reg)(int port, int off, int op, void *data, size_t sz, char *name); + int (*get_registers)(void); + int (*check_ecc)(void); + void (*mk_region)(char *name, struct region *rp, void *asym); + void (*get_dimm_config)(struct mem_ctl_info *mci); + int (*pmi2mem)(struct mem_ctl_info *mci, u64 pmiaddr, u32 pmiidx, + struct dram_addr *daddr, char *msg); +} *ops; + +static struct mem_ctl_info *pnd2_mci; + +#define PND2_MSG_SIZE 256 + +/* Debug macros */ +#define pnd2_printk(level, fmt, arg...) \ + edac_printk(level, "pnd2", fmt, ##arg) + +#define pnd2_mc_printk(mci, level, fmt, arg...) \ + edac_mc_chipset_printk(mci, level, "pnd2", fmt, ##arg) + +#define MOT_CHAN_INTLV_BIT_1SLC_2CH 12 +#define MOT_CHAN_INTLV_BIT_2SLC_2CH 13 +#define SELECTOR_DISABLED (-1) +#define _4GB (1ul << 32) + +#define PMI_ADDRESS_WIDTH 31 +#define PND_MAX_PHYS_BIT 39 + +#define APL_ASYMSHIFT 28 +#define DNV_ASYMSHIFT 31 +#define CH_HASH_MASK_LSB 6 +#define SLICE_HASH_MASK_LSB 6 +#define MOT_SLC_INTLV_BIT 12 +#define LOG2_PMI_ADDR_GRANULARITY 5 +#define MOT_SHIFT 24 + +#define GET_BITFIELD(v, lo, hi) (((v) & GENMASK_ULL(hi, lo)) >> (lo)) +#define U64_LSHIFT(val, s) ((u64)(val) << (s)) + +#ifdef CONFIG_X86_INTEL_SBI_APL +#include "linux/platform_data/sbi_apl.h" +int sbi_send(int port, int off, int op, u32 *data) +{ + struct sbi_apl_message sbi_arg; + int ret, read = 0; + + memset(&sbi_arg, 0, sizeof(sbi_arg)); + + if (op == 0 || op == 4 || op == 6) + read = 1; + else + sbi_arg.data = *data; + + sbi_arg.opcode = op; + sbi_arg.port_address = port; + sbi_arg.register_offset = off; + ret = sbi_apl_commit(&sbi_arg); + if (ret || sbi_arg.status) + edac_dbg(2, "sbi_send status=%d ret=%d data=%x\n", + sbi_arg.status, ret, sbi_arg.data); + + if (ret == 0) + ret = sbi_arg.status; + + if (ret == 0 && read) + *data = sbi_arg.data; + + return ret; +} +#else +int sbi_send(int port, int off, int op, u32 *data) +{ + return -EUNATCH; +} +#endif + +static int apl_rd_reg(int port, int off, int op, void *data, size_t sz, char *name) +{ + int ret = 0; + + edac_dbg(2, "Read %s port=%x off=%x op=%x\n", name, port, off, op); + switch (sz) { + case 8: + ret = sbi_send(port, off + 4, op, (u32 *)(data + 4)); + case 4: + ret = sbi_send(port, off, op, (u32 *)data); + pnd2_printk(KERN_DEBUG, "%s=%x%08x ret=%d\n", name, + sz == 8 ? *((u32 *)(data + 4)) : 0, *((u32 *)data), ret); + break; + } + + return ret; +} + +static u64 get_mem_ctrl_hub_base_addr(void) +{ + struct b_cr_mchbar_lo_pci lo; + struct b_cr_mchbar_hi_pci hi; + struct pci_dev *pdev; + + pdev = pci_get_device(PCI_VENDOR_ID_INTEL, 0x1980, NULL); + if (pdev) { + pci_read_config_dword(pdev, 0x48, (u32 *)&lo); + pci_read_config_dword(pdev, 0x4c, (u32 *)&hi); + pci_dev_put(pdev); + } else { + return 0; + } + + if (!lo.enable) { + edac_dbg(2, "MMIO via memory controller hub base address is disabled!\n"); + return 0; + } + + return U64_LSHIFT(hi.base, 32) | U64_LSHIFT(lo.base, 15); +} + +static u64 get_sideband_reg_base_addr(void) +{ + struct pci_dev *pdev; + u32 hi, lo; + + pdev = pci_get_device(PCI_VENDOR_ID_INTEL, 0x19dd, NULL); + if (pdev) { + pci_read_config_dword(pdev, 0x10, &lo); + pci_read_config_dword(pdev, 0x14, &hi); + pci_dev_put(pdev); + return (U64_LSHIFT(hi, 32) | U64_LSHIFT(lo, 0)); + } else { + return 0xfd000000; + } +} + +static int dnv_rd_reg(int port, int off, int op, void *data, size_t sz, char *name) +{ + struct pci_dev *pdev; + char *base; + u64 addr; + + if (op == 4) { + pdev = pci_get_device(PCI_VENDOR_ID_INTEL, 0x1980, NULL); + if (!pdev) + return -ENODEV; + + pci_read_config_dword(pdev, off, data); + pci_dev_put(pdev); + } else { + /* MMIO via memory controller hub base address */ + if (op == 0 && port == 0x4c) { + addr = get_mem_ctrl_hub_base_addr(); + if (!addr) + return -ENODEV; + } else { + /* MMIO via sideband register base address */ + addr = get_sideband_reg_base_addr(); + if (!addr) + return -ENODEV; + addr += (port << 16); + } + + base = ioremap((resource_size_t)addr, 0x10000); + if (!base) + return -ENODEV; + + if (sz == 8) + *(u32 *)(data + 4) = *(u32 *)(base + off + 4); + *(u32 *)data = *(u32 *)(base + off); + + iounmap(base); + } + + edac_dbg(2, "Read %s=%.8x_%.8x\n", name, + (sz == 8) ? *(u32 *)(data + 4) : 0, *(u32 *)data); + + return 0; +} + +#define RD_REGP(regp, regname, port) \ + ops->rd_reg(port, \ + regname##_offset, \ + regname##_r_opcode, \ + regp, sizeof(struct regname), \ + #regname) + +#define RD_REG(regp, regname) \ + ops->rd_reg(regname ## _port, \ + regname##_offset, \ + regname##_r_opcode, \ + regp, sizeof(struct regname), \ + #regname) + +static u64 top_lm, top_hm; +static bool two_slices; +static bool two_channels; /* Both PMI channels in one slice enabled */ + +static u8 sym_chan_mask; +static u8 asym_chan_mask; +static u8 chan_mask; + +static int slice_selector = -1; +static int chan_selector = -1; +static u64 slice_hash_mask; +static u64 chan_hash_mask; + +static void mk_region(char *name, struct region *rp, u64 base, u64 limit) +{ + rp->enabled = 1; + rp->base = base; + rp->limit = limit; + edac_dbg(2, "Region:%s [%llx, %llx]\n", name, base, limit); +} + +static void mk_region_mask(char *name, struct region *rp, u64 base, u64 mask) +{ + if (mask == 0) { + pr_info(FW_BUG "MOT mask cannot be zero\n"); + return; + } + if (mask != GENMASK_ULL(PND_MAX_PHYS_BIT, __ffs(mask))) { + pr_info(FW_BUG "MOT mask not power of two\n"); + return; + } + if (base & ~mask) { + pr_info(FW_BUG "MOT region base/mask alignment error\n"); + return; + } + rp->base = base; + rp->limit = (base | ~mask) & GENMASK_ULL(PND_MAX_PHYS_BIT, 0); + rp->enabled = 1; + edac_dbg(2, "Region:%s [%llx, %llx]\n", name, base, rp->limit); +} + +static bool in_region(struct region *rp, u64 addr) +{ + if (!rp->enabled) + return false; + + return rp->base <= addr && addr <= rp->limit; +} + +static int gen_sym_mask(struct b_cr_slice_channel_hash *p) +{ + int mask = 0; + + if (!p->slice_0_mem_disabled) + mask |= p->sym_slice0_channel_enabled; + + if (!p->slice_1_disabled) + mask |= p->sym_slice1_channel_enabled << 2; + + if (p->ch_1_disabled || p->enable_pmi_dual_data_mode) + mask &= 0x5; + + return mask; +} + +static int gen_asym_mask(struct b_cr_slice_channel_hash *p, + struct b_cr_asym_mem_region0_mchbar *as0, + struct b_cr_asym_mem_region1_mchbar *as1, + struct b_cr_asym_2way_mem_region_mchbar *as2way) +{ + const int intlv[] = { 0x5, 0xA, 0x3, 0xC }; + int mask = 0; + + if (as2way->asym_2way_interleave_enable) + mask = intlv[as2way->asym_2way_intlv_mode]; + if (as0->slice0_asym_enable) + mask |= (1 << as0->slice0_asym_channel_select); + if (as1->slice1_asym_enable) + mask |= (4 << as1->slice1_asym_channel_select); + if (p->slice_0_mem_disabled) + mask &= 0xc; + if (p->slice_1_disabled) + mask &= 0x3; + if (p->ch_1_disabled || p->enable_pmi_dual_data_mode) + mask &= 0x5; + + return mask; +} + +static struct b_cr_tolud_pci tolud; +static struct b_cr_touud_lo_pci touud_lo; +static struct b_cr_touud_hi_pci touud_hi; +static struct b_cr_asym_mem_region0_mchbar asym0; +static struct b_cr_asym_mem_region1_mchbar asym1; +static struct b_cr_asym_2way_mem_region_mchbar asym_2way; +static struct b_cr_mot_out_base_mchbar mot_base; +static struct b_cr_mot_out_mask_mchbar mot_mask; +static struct b_cr_slice_channel_hash chash; + +/* Apollo Lake dunit */ +/* + * Validated on board with just two DIMMs in the [0] and [2] positions + * in this array. Other port number matches documentation, but caution + * advised. + */ +static const int apl_dports[APL_NUM_CHANNELS] = { 0x18, 0x10, 0x11, 0x19 }; +static struct d_cr_drp0 drp0[APL_NUM_CHANNELS]; + +/* Denverton dunit */ +static const int dnv_dports[DNV_NUM_CHANNELS] = { 0x10, 0x12 }; +static struct d_cr_dsch dsch; +static struct d_cr_ecc_ctrl ecc_ctrl[DNV_NUM_CHANNELS]; +static struct d_cr_drp drp[DNV_NUM_CHANNELS]; +static struct d_cr_dmap dmap[DNV_NUM_CHANNELS]; +static struct d_cr_dmap1 dmap1[DNV_NUM_CHANNELS]; +static struct d_cr_dmap2 dmap2[DNV_NUM_CHANNELS]; +static struct d_cr_dmap3 dmap3[DNV_NUM_CHANNELS]; +static struct d_cr_dmap4 dmap4[DNV_NUM_CHANNELS]; +static struct d_cr_dmap5 dmap5[DNV_NUM_CHANNELS]; + +static void apl_mk_region(char *name, struct region *rp, void *asym) +{ + struct b_cr_asym_mem_region0_mchbar *a = asym; + + mk_region(name, rp, + U64_LSHIFT(a->slice0_asym_base, APL_ASYMSHIFT), + U64_LSHIFT(a->slice0_asym_limit, APL_ASYMSHIFT) + + GENMASK_ULL(APL_ASYMSHIFT - 1, 0)); +} + +static void dnv_mk_region(char *name, struct region *rp, void *asym) +{ + struct b_cr_asym_mem_region_denverton *a = asym; + + mk_region(name, rp, + U64_LSHIFT(a->slice_asym_base, DNV_ASYMSHIFT), + U64_LSHIFT(a->slice_asym_limit, DNV_ASYMSHIFT) + + GENMASK_ULL(DNV_ASYMSHIFT - 1, 0)); +} + +static int apl_get_registers(void) +{ + int i; + + if (RD_REG(&asym_2way, b_cr_asym_2way_mem_region_mchbar)) + return -ENODEV; + + for (i = 0; i < APL_NUM_CHANNELS; i++) + if (RD_REGP(&drp0[i], d_cr_drp0, apl_dports[i])) + return -ENODEV; + + return 0; +} + +static int dnv_get_registers(void) +{ + int i; + + if (RD_REG(&dsch, d_cr_dsch)) + return -ENODEV; + + for (i = 0; i < DNV_NUM_CHANNELS; i++) + if (RD_REGP(&ecc_ctrl[i], d_cr_ecc_ctrl, dnv_dports[i]) || + RD_REGP(&drp[i], d_cr_drp, dnv_dports[i]) || + RD_REGP(&dmap[i], d_cr_dmap, dnv_dports[i]) || + RD_REGP(&dmap1[i], d_cr_dmap1, dnv_dports[i]) || + RD_REGP(&dmap2[i], d_cr_dmap2, dnv_dports[i]) || + RD_REGP(&dmap3[i], d_cr_dmap3, dnv_dports[i]) || + RD_REGP(&dmap4[i], d_cr_dmap4, dnv_dports[i]) || + RD_REGP(&dmap5[i], d_cr_dmap5, dnv_dports[i])) + return -ENODEV; + + return 0; +} + +/* + * Read all the h/w config registers once here (they don't + * change at run time. Figure out which address ranges have + * which interleave characteristics. + */ +static int get_registers(void) +{ + const int intlv[] = { 10, 11, 12, 12 }; + + if (RD_REG(&tolud, b_cr_tolud_pci) || + RD_REG(&touud_lo, b_cr_touud_lo_pci) || + RD_REG(&touud_hi, b_cr_touud_hi_pci) || + RD_REG(&asym0, b_cr_asym_mem_region0_mchbar) || + RD_REG(&asym1, b_cr_asym_mem_region1_mchbar) || + RD_REG(&mot_base, b_cr_mot_out_base_mchbar) || + RD_REG(&mot_mask, b_cr_mot_out_mask_mchbar) || + RD_REG(&chash, b_cr_slice_channel_hash)) + return -ENODEV; + + if (ops->get_registers()) + return -ENODEV; + + if (ops->type == DNV) { + /* PMI channel idx (always 0) for asymmetric region */ + asym0.slice0_asym_channel_select = 0; + asym1.slice1_asym_channel_select = 0; + /* PMI channel bitmap (always 1) for symmetric region */ + chash.sym_slice0_channel_enabled = 0x1; + chash.sym_slice1_channel_enabled = 0x1; + } + + if (asym0.slice0_asym_enable) + ops->mk_region("as0", &as0, &asym0); + + if (asym1.slice1_asym_enable) + ops->mk_region("as1", &as1, &asym1); + + if (asym_2way.asym_2way_interleave_enable) { + mk_region("as2way", &as2, + U64_LSHIFT(asym_2way.asym_2way_base, APL_ASYMSHIFT), + U64_LSHIFT(asym_2way.asym_2way_limit, APL_ASYMSHIFT) + + GENMASK_ULL(APL_ASYMSHIFT - 1, 0)); + } + + if (mot_base.imr_en) { + mk_region_mask("mot", &mot, + U64_LSHIFT(mot_base.mot_out_base, MOT_SHIFT), + U64_LSHIFT(mot_mask.mot_out_mask, MOT_SHIFT)); + } + + top_lm = U64_LSHIFT(tolud.tolud, 20); + top_hm = U64_LSHIFT(touud_hi.touud, 32) | U64_LSHIFT(touud_lo.touud, 20); + + two_slices = !chash.slice_1_disabled && + !chash.slice_0_mem_disabled && + (chash.sym_slice0_channel_enabled != 0) && + (chash.sym_slice1_channel_enabled != 0); + two_channels = !chash.ch_1_disabled && + !chash.enable_pmi_dual_data_mode && + ((chash.sym_slice0_channel_enabled == 3) || + (chash.sym_slice1_channel_enabled == 3)); + + sym_chan_mask = gen_sym_mask(&chash); + asym_chan_mask = gen_asym_mask(&chash, &asym0, &asym1, &asym_2way); + chan_mask = sym_chan_mask | asym_chan_mask; + + if (two_slices && !two_channels) { + if (chash.hvm_mode) + slice_selector = 29; + else + slice_selector = intlv[chash.interleave_mode]; + } else if (!two_slices && two_channels) { + if (chash.hvm_mode) + chan_selector = 29; + else + chan_selector = intlv[chash.interleave_mode]; + } else if (two_slices && two_channels) { + if (chash.hvm_mode) { + slice_selector = 29; + chan_selector = 30; + } else { + slice_selector = intlv[chash.interleave_mode]; + chan_selector = intlv[chash.interleave_mode] + 1; + } + } + + if (two_slices) { + if (!chash.hvm_mode) + slice_hash_mask = chash.slice_hash_mask << SLICE_HASH_MASK_LSB; + if (!two_channels) + slice_hash_mask |= BIT_ULL(slice_selector); + } + + if (two_channels) { + if (!chash.hvm_mode) + chan_hash_mask = chash.ch_hash_mask << CH_HASH_MASK_LSB; + if (!two_slices) + chan_hash_mask |= BIT_ULL(chan_selector); + } + + return 0; +} + +/* Get a contiguous memory address (remove the MMIO gap) */ +static u64 remove_mmio_gap(u64 sys) +{ + return (sys < _4GB) ? sys : sys - (_4GB - top_lm); +} + +/* Squeeze out one address bit, shift upper part down to fill gap */ +static void remove_addr_bit(u64 *addr, int bitidx) +{ + u64 mask; + + if (bitidx == -1) + return; + + mask = (1ull << bitidx) - 1; + *addr = ((*addr >> 1) & ~mask) | (*addr & mask); +} + +/* XOR all the bits from addr specified in mask */ +static int hash_by_mask(u64 addr, u64 mask) +{ + u64 result = addr & mask; + + result = (result >> 32) ^ result; + result = (result >> 16) ^ result; + result = (result >> 8) ^ result; + result = (result >> 4) ^ result; + result = (result >> 2) ^ result; + result = (result >> 1) ^ result; + + return (int)result & 1; +} + +/* + * First stage decode. Take the system address and figure out which + * second stage will deal with it based on interleave modes. + */ +static int sys2pmi(const u64 addr, u32 *pmiidx, u64 *pmiaddr, char *msg) +{ + u64 contig_addr, contig_base, contig_offset, contig_base_adj; + int mot_intlv_bit = two_slices ? MOT_CHAN_INTLV_BIT_2SLC_2CH : + MOT_CHAN_INTLV_BIT_1SLC_2CH; + int slice_intlv_bit_rm = SELECTOR_DISABLED; + int chan_intlv_bit_rm = SELECTOR_DISABLED; + /* Determine if address is in the MOT region. */ + bool mot_hit = in_region(&mot, addr); + /* Calculate the number of symmetric regions enabled. */ + int sym_channels = hweight8(sym_chan_mask); + + /* + * The amount we need to shift the asym base can be determined by the + * number of enabled symmetric channels. + * NOTE: This can only work because symmetric memory is not supposed + * to do a 3-way interleave. + */ + int sym_chan_shift = sym_channels >> 1; + + /* Give up if address is out of range, or in MMIO gap */ + if (addr >= (1ul << PND_MAX_PHYS_BIT) || + (addr >= top_lm && addr < _4GB) || addr >= top_hm) { + snprintf(msg, PND2_MSG_SIZE, "Error address 0x%llx is not DRAM", addr); + return -EINVAL; + } + + /* Get a contiguous memory address (remove the MMIO gap) */ + contig_addr = remove_mmio_gap(addr); + + if (in_region(&as0, addr)) { + *pmiidx = asym0.slice0_asym_channel_select; + + contig_base = remove_mmio_gap(as0.base); + contig_offset = contig_addr - contig_base; + contig_base_adj = (contig_base >> sym_chan_shift) * + ((chash.sym_slice0_channel_enabled >> (*pmiidx & 1)) & 1); + contig_addr = contig_offset + ((sym_channels > 0) ? contig_base_adj : 0ull); + } else if (in_region(&as1, addr)) { + *pmiidx = 2u + asym1.slice1_asym_channel_select; + + contig_base = remove_mmio_gap(as1.base); + contig_offset = contig_addr - contig_base; + contig_base_adj = (contig_base >> sym_chan_shift) * + ((chash.sym_slice1_channel_enabled >> (*pmiidx & 1)) & 1); + contig_addr = contig_offset + ((sym_channels > 0) ? contig_base_adj : 0ull); + } else if (in_region(&as2, addr) && (asym_2way.asym_2way_intlv_mode == 0x3ul)) { + bool channel1; + + mot_intlv_bit = MOT_CHAN_INTLV_BIT_1SLC_2CH; + *pmiidx = (asym_2way.asym_2way_intlv_mode & 1) << 1; + channel1 = mot_hit ? ((bool)((addr >> mot_intlv_bit) & 1)) : + hash_by_mask(contig_addr, chan_hash_mask); + *pmiidx |= (u32)channel1; + + contig_base = remove_mmio_gap(as2.base); + chan_intlv_bit_rm = mot_hit ? mot_intlv_bit : chan_selector; + contig_offset = contig_addr - contig_base; + remove_addr_bit(&contig_offset, chan_intlv_bit_rm); + contig_addr = (contig_base >> sym_chan_shift) + contig_offset; + } else { + /* Otherwise we're in normal, boring symmetric mode. */ + *pmiidx = 0u; + + if (two_slices) { + bool slice1; + + if (mot_hit) { + slice_intlv_bit_rm = MOT_SLC_INTLV_BIT; + slice1 = (addr >> MOT_SLC_INTLV_BIT) & 1; + } else { + slice_intlv_bit_rm = slice_selector; + slice1 = hash_by_mask(addr, slice_hash_mask); + } + + *pmiidx = (u32)slice1 << 1; + } + + if (two_channels) { + bool channel1; + + mot_intlv_bit = two_slices ? MOT_CHAN_INTLV_BIT_2SLC_2CH : + MOT_CHAN_INTLV_BIT_1SLC_2CH; + + if (mot_hit) { + chan_intlv_bit_rm = mot_intlv_bit; + channel1 = (addr >> mot_intlv_bit) & 1; + } else { + chan_intlv_bit_rm = chan_selector; + channel1 = hash_by_mask(contig_addr, chan_hash_mask); + } + + *pmiidx |= (u32)channel1; + } + } + + /* Remove the chan_selector bit first */ + remove_addr_bit(&contig_addr, chan_intlv_bit_rm); + /* Remove the slice bit (we remove it second because it must be lower */ + remove_addr_bit(&contig_addr, slice_intlv_bit_rm); + *pmiaddr = contig_addr; + + return 0; +} + +/* Translate PMI address to memory (rank, row, bank, column) */ +#define C(n) (0x10 | (n)) /* column */ +#define B(n) (0x20 | (n)) /* bank */ +#define R(n) (0x40 | (n)) /* row */ +#define RS (0x80) /* rank */ + +/* addrdec values */ +#define AMAP_1KB 0 +#define AMAP_2KB 1 +#define AMAP_4KB 2 +#define AMAP_RSVD 3 + +/* dden values */ +#define DEN_4Gb 0 +#define DEN_8Gb 2 + +/* dwid values */ +#define X8 0 +#define X16 1 + +static struct dimm_geometry { + u8 addrdec; + u8 dden; + u8 dwid; + u8 rowbits, colbits; + u16 bits[PMI_ADDRESS_WIDTH]; +} dimms[] = { + { + .addrdec = AMAP_1KB, .dden = DEN_4Gb, .dwid = X16, + .rowbits = 15, .colbits = 10, + .bits = { + C(2), C(3), C(4), C(5), C(6), B(0), B(1), B(2), R(0), + R(1), R(2), R(3), R(4), R(5), R(6), R(7), R(8), R(9), + R(10), C(7), C(8), C(9), R(11), RS, R(12), R(13), R(14), + 0, 0, 0, 0 + } + }, + { + .addrdec = AMAP_1KB, .dden = DEN_4Gb, .dwid = X8, + .rowbits = 16, .colbits = 10, + .bits = { + C(2), C(3), C(4), C(5), C(6), B(0), B(1), B(2), R(0), + R(1), R(2), R(3), R(4), R(5), R(6), R(7), R(8), R(9), + R(10), C(7), C(8), C(9), R(11), RS, R(12), R(13), R(14), + R(15), 0, 0, 0 + } + }, + { + .addrdec = AMAP_1KB, .dden = DEN_8Gb, .dwid = X16, + .rowbits = 16, .colbits = 10, + .bits = { + C(2), C(3), C(4), C(5), C(6), B(0), B(1), B(2), R(0), + R(1), R(2), R(3), R(4), R(5), R(6), R(7), R(8), R(9), + R(10), C(7), C(8), C(9), R(11), RS, R(12), R(13), R(14), + R(15), 0, 0, 0 + } + }, + { + .addrdec = AMAP_1KB, .dden = DEN_8Gb, .dwid = X8, + .rowbits = 16, .colbits = 11, + .bits = { + C(2), C(3), C(4), C(5), C(6), B(0), B(1), B(2), R(0), + R(1), R(2), R(3), R(4), R(5), R(6), R(7), R(8), R(9), + R(10), C(7), C(8), C(9), R(11), RS, C(11), R(12), R(13), + R(14), R(15), 0, 0 + } + }, + { + .addrdec = AMAP_2KB, .dden = DEN_4Gb, .dwid = X16, + .rowbits = 15, .colbits = 10, + .bits = { + C(2), C(3), C(4), C(5), C(6), C(7), B(0), B(1), B(2), + R(0), R(1), R(2), R(3), R(4), R(5), R(6), R(7), R(8), + R(9), R(10), C(8), C(9), R(11), RS, R(12), R(13), R(14), + 0, 0, 0, 0 + } + }, + { + .addrdec = AMAP_2KB, .dden = DEN_4Gb, .dwid = X8, + .rowbits = 16, .colbits = 10, + .bits = { + C(2), C(3), C(4), C(5), C(6), C(7), B(0), B(1), B(2), + R(0), R(1), R(2), R(3), R(4), R(5), R(6), R(7), R(8), + R(9), R(10), C(8), C(9), R(11), RS, R(12), R(13), R(14), + R(15), 0, 0, 0 + } + }, + { + .addrdec = AMAP_2KB, .dden = DEN_8Gb, .dwid = X16, + .rowbits = 16, .colbits = 10, + .bits = { + C(2), C(3), C(4), C(5), C(6), C(7), B(0), B(1), B(2), + R(0), R(1), R(2), R(3), R(4), R(5), R(6), R(7), R(8), + R(9), R(10), C(8), C(9), R(11), RS, R(12), R(13), R(14), + R(15), 0, 0, 0 + } + }, + { + .addrdec = AMAP_2KB, .dden = DEN_8Gb, .dwid = X8, + .rowbits = 16, .colbits = 11, + .bits = { + C(2), C(3), C(4), C(5), C(6), C(7), B(0), B(1), B(2), + R(0), R(1), R(2), R(3), R(4), R(5), R(6), R(7), R(8), + R(9), R(10), C(8), C(9), R(11), RS, C(11), R(12), R(13), + R(14), R(15), 0, 0 + } + }, + { + .addrdec = AMAP_4KB, .dden = DEN_4Gb, .dwid = X16, + .rowbits = 15, .colbits = 10, + .bits = { + C(2), C(3), C(4), C(5), C(6), C(7), C(8), B(0), B(1), + B(2), R(0), R(1), R(2), R(3), R(4), R(5), R(6), R(7), + R(8), R(9), R(10), C(9), R(11), RS, R(12), R(13), R(14), + 0, 0, 0, 0 + } + }, + { + .addrdec = AMAP_4KB, .dden = DEN_4Gb, .dwid = X8, + .rowbits = 16, .colbits = 10, + .bits = { + C(2), C(3), C(4), C(5), C(6), C(7), C(8), B(0), B(1), + B(2), R(0), R(1), R(2), R(3), R(4), R(5), R(6), R(7), + R(8), R(9), R(10), C(9), R(11), RS, R(12), R(13), R(14), + R(15), 0, 0, 0 + } + }, + { + .addrdec = AMAP_4KB, .dden = DEN_8Gb, .dwid = X16, + .rowbits = 16, .colbits = 10, + .bits = { + C(2), C(3), C(4), C(5), C(6), C(7), C(8), B(0), B(1), + B(2), R(0), R(1), R(2), R(3), R(4), R(5), R(6), R(7), + R(8), R(9), R(10), C(9), R(11), RS, R(12), R(13), R(14), + R(15), 0, 0, 0 + } + }, + { + .addrdec = AMAP_4KB, .dden = DEN_8Gb, .dwid = X8, + .rowbits = 16, .colbits = 11, + .bits = { + C(2), C(3), C(4), C(5), C(6), C(7), C(8), B(0), B(1), + B(2), R(0), R(1), R(2), R(3), R(4), R(5), R(6), R(7), + R(8), R(9), R(10), C(9), R(11), RS, C(11), R(12), R(13), + R(14), R(15), 0, 0 + } + } +}; + +static int bank_hash(u64 pmiaddr, int idx, int shft) +{ + int bhash = 0; + + switch (idx) { + case 0: + bhash ^= ((pmiaddr >> (12 + shft)) ^ (pmiaddr >> (9 + shft))) & 1; + break; + case 1: + bhash ^= (((pmiaddr >> (10 + shft)) ^ (pmiaddr >> (8 + shft))) & 1) << 1; + bhash ^= ((pmiaddr >> 22) & 1) << 1; + break; + case 2: + bhash ^= (((pmiaddr >> (13 + shft)) ^ (pmiaddr >> (11 + shft))) & 1) << 2; + break; + } + + return bhash; +} + +static int rank_hash(u64 pmiaddr) +{ + return ((pmiaddr >> 16) ^ (pmiaddr >> 10)) & 1; +} + +/* Second stage decode. Compute rank, bank, row & column. */ +static int apl_pmi2mem(struct mem_ctl_info *mci, u64 pmiaddr, u32 pmiidx, + struct dram_addr *daddr, char *msg) +{ + struct d_cr_drp0 *cr_drp0 = &drp0[pmiidx]; + struct pnd2_pvt *pvt = mci->pvt_info; + int g = pvt->dimm_geom[pmiidx]; + struct dimm_geometry *d = &dimms[g]; + int column = 0, bank = 0, row = 0, rank = 0; + int i, idx, type, skiprs = 0; + + for (i = 0; i < PMI_ADDRESS_WIDTH; i++) { + int bit = (pmiaddr >> i) & 1; + + if (i + skiprs >= PMI_ADDRESS_WIDTH) { + snprintf(msg, PND2_MSG_SIZE, "Bad dimm_geometry[] table\n"); + return -EINVAL; + } + + type = d->bits[i + skiprs] & ~0xf; + idx = d->bits[i + skiprs] & 0xf; + + /* + * On single rank DIMMs ignore the rank select bit + * and shift remainder of "bits[]" down one place. + */ + if (type == RS && (cr_drp0->rken0 + cr_drp0->rken1) == 1) { + skiprs = 1; + type = d->bits[i + skiprs] & ~0xf; + idx = d->bits[i + skiprs] & 0xf; + } + + switch (type) { + case C(0): + column |= (bit << idx); + break; + case B(0): + bank |= (bit << idx); + if (cr_drp0->bahen) + bank ^= bank_hash(pmiaddr, idx, d->addrdec); + break; + case R(0): + row |= (bit << idx); + break; + case RS: + rank = bit; + if (cr_drp0->rsien) + rank ^= rank_hash(pmiaddr); + break; + default: + if (bit) { + snprintf(msg, PND2_MSG_SIZE, "Bad translation\n"); + return -EINVAL; + } + goto done; + } + } + +done: + daddr->col = column; + daddr->bank = bank; + daddr->row = row; + daddr->rank = rank; + daddr->dimm = 0; + + return 0; +} + +/* Pluck bit "in" from pmiaddr and return value shifted to bit "out" */ +#define dnv_get_bit(pmi, in, out) ((int)(((pmi) >> (in)) & 1u) << (out)) + +static int dnv_pmi2mem(struct mem_ctl_info *mci, u64 pmiaddr, u32 pmiidx, + struct dram_addr *daddr, char *msg) +{ + /* Rank 0 or 1 */ + daddr->rank = dnv_get_bit(pmiaddr, dmap[pmiidx].rs0 + 13, 0); + /* Rank 2 or 3 */ + daddr->rank |= dnv_get_bit(pmiaddr, dmap[pmiidx].rs1 + 13, 1); + + /* + * Normally ranks 0,1 are DIMM0, and 2,3 are DIMM1, but we + * flip them if DIMM1 is larger than DIMM0. + */ + daddr->dimm = (daddr->rank >= 2) ^ drp[pmiidx].dimmflip; + + daddr->bank = dnv_get_bit(pmiaddr, dmap[pmiidx].ba0 + 6, 0); + daddr->bank |= dnv_get_bit(pmiaddr, dmap[pmiidx].ba1 + 6, 1); + daddr->bank |= dnv_get_bit(pmiaddr, dmap[pmiidx].bg0 + 6, 2); + if (dsch.ddr4en) + daddr->bank |= dnv_get_bit(pmiaddr, dmap[pmiidx].bg1 + 6, 3); + if (dmap1[pmiidx].bxor) { + if (dsch.ddr4en) { + daddr->bank ^= dnv_get_bit(pmiaddr, dmap3[pmiidx].row6 + 6, 0); + daddr->bank ^= dnv_get_bit(pmiaddr, dmap3[pmiidx].row7 + 6, 1); + if (dsch.chan_width == 0) + /* 64/72 bit dram channel width */ + daddr->bank ^= dnv_get_bit(pmiaddr, dmap5[pmiidx].ca3 + 6, 2); + else + /* 32/40 bit dram channel width */ + daddr->bank ^= dnv_get_bit(pmiaddr, dmap5[pmiidx].ca4 + 6, 2); + daddr->bank ^= dnv_get_bit(pmiaddr, dmap2[pmiidx].row2 + 6, 3); + } else { + daddr->bank ^= dnv_get_bit(pmiaddr, dmap2[pmiidx].row2 + 6, 0); + daddr->bank ^= dnv_get_bit(pmiaddr, dmap3[pmiidx].row6 + 6, 1); + if (dsch.chan_width == 0) + daddr->bank ^= dnv_get_bit(pmiaddr, dmap5[pmiidx].ca3 + 6, 2); + else + daddr->bank ^= dnv_get_bit(pmiaddr, dmap5[pmiidx].ca4 + 6, 2); + } + } + + daddr->row = dnv_get_bit(pmiaddr, dmap2[pmiidx].row0 + 6, 0); + daddr->row |= dnv_get_bit(pmiaddr, dmap2[pmiidx].row1 + 6, 1); + daddr->row |= dnv_get_bit(pmiaddr, dmap2[pmiidx].row2 + 6, 2); + daddr->row |= dnv_get_bit(pmiaddr, dmap2[pmiidx].row3 + 6, 3); + daddr->row |= dnv_get_bit(pmiaddr, dmap2[pmiidx].row4 + 6, 4); + daddr->row |= dnv_get_bit(pmiaddr, dmap2[pmiidx].row5 + 6, 5); + daddr->row |= dnv_get_bit(pmiaddr, dmap3[pmiidx].row6 + 6, 6); + daddr->row |= dnv_get_bit(pmiaddr, dmap3[pmiidx].row7 + 6, 7); + daddr->row |= dnv_get_bit(pmiaddr, dmap3[pmiidx].row8 + 6, 8); + daddr->row |= dnv_get_bit(pmiaddr, dmap3[pmiidx].row9 + 6, 9); + daddr->row |= dnv_get_bit(pmiaddr, dmap3[pmiidx].row10 + 6, 10); + daddr->row |= dnv_get_bit(pmiaddr, dmap3[pmiidx].row11 + 6, 11); + daddr->row |= dnv_get_bit(pmiaddr, dmap4[pmiidx].row12 + 6, 12); + daddr->row |= dnv_get_bit(pmiaddr, dmap4[pmiidx].row13 + 6, 13); + if (dmap4[pmiidx].row14 != 31) + daddr->row |= dnv_get_bit(pmiaddr, dmap4[pmiidx].row14 + 6, 14); + if (dmap4[pmiidx].row15 != 31) + daddr->row |= dnv_get_bit(pmiaddr, dmap4[pmiidx].row15 + 6, 15); + if (dmap4[pmiidx].row16 != 31) + daddr->row |= dnv_get_bit(pmiaddr, dmap4[pmiidx].row16 + 6, 16); + if (dmap4[pmiidx].row17 != 31) + daddr->row |= dnv_get_bit(pmiaddr, dmap4[pmiidx].row17 + 6, 17); + + daddr->col = dnv_get_bit(pmiaddr, dmap5[pmiidx].ca3 + 6, 3); + daddr->col |= dnv_get_bit(pmiaddr, dmap5[pmiidx].ca4 + 6, 4); + daddr->col |= dnv_get_bit(pmiaddr, dmap5[pmiidx].ca5 + 6, 5); + daddr->col |= dnv_get_bit(pmiaddr, dmap5[pmiidx].ca6 + 6, 6); + daddr->col |= dnv_get_bit(pmiaddr, dmap5[pmiidx].ca7 + 6, 7); + daddr->col |= dnv_get_bit(pmiaddr, dmap5[pmiidx].ca8 + 6, 8); + daddr->col |= dnv_get_bit(pmiaddr, dmap5[pmiidx].ca9 + 6, 9); + if (!dsch.ddr4en && dmap1[pmiidx].ca11 != 0x3f) + daddr->col |= dnv_get_bit(pmiaddr, dmap1[pmiidx].ca11 + 13, 11); + + return 0; +} + +static int check_channel(int ch) +{ + if (drp0[ch].dramtype != 0) { + pnd2_printk(KERN_INFO, "Unsupported DIMM in channel %d\n", ch); + return 1; + } else if (drp0[ch].eccen == 0) { + pnd2_printk(KERN_INFO, "ECC disabled on channel %d\n", ch); + return 1; + } + return 0; +} + +static int apl_check_ecc_active(void) +{ + int i, ret = 0; + + /* Check dramtype and ECC mode for each present DIMM */ + for (i = 0; i < APL_NUM_CHANNELS; i++) + if (chan_mask & BIT(i)) + ret += check_channel(i); + return ret ? -EINVAL : 0; +} + +#define DIMMS_PRESENT(d) ((d)->rken0 + (d)->rken1 + (d)->rken2 + (d)->rken3) + +static int check_unit(int ch) +{ + struct d_cr_drp *d = &drp[ch]; + + if (DIMMS_PRESENT(d) && !ecc_ctrl[ch].eccen) { + pnd2_printk(KERN_INFO, "ECC disabled on channel %d\n", ch); + return 1; + } + return 0; +} + +static int dnv_check_ecc_active(void) +{ + int i, ret = 0; + + for (i = 0; i < DNV_NUM_CHANNELS; i++) + ret += check_unit(i); + return ret ? -EINVAL : 0; +} + +static int get_memory_error_data(struct mem_ctl_info *mci, u64 addr, + struct dram_addr *daddr, char *msg) +{ + u64 pmiaddr; + u32 pmiidx; + int ret; + + ret = sys2pmi(addr, &pmiidx, &pmiaddr, msg); + if (ret) + return ret; + + pmiaddr >>= ops->pmiaddr_shift; + /* pmi channel idx to dimm channel idx */ + pmiidx >>= ops->pmiidx_shift; + daddr->chan = pmiidx; + + ret = ops->pmi2mem(mci, pmiaddr, pmiidx, daddr, msg); + if (ret) + return ret; + + edac_dbg(0, "SysAddr=%llx PmiAddr=%llx Channel=%d DIMM=%d Rank=%d Bank=%d Row=%d Column=%d\n", + addr, pmiaddr, daddr->chan, daddr->dimm, daddr->rank, daddr->bank, daddr->row, daddr->col); + + return 0; +} + +static void pnd2_mce_output_error(struct mem_ctl_info *mci, const struct mce *m, + struct dram_addr *daddr) +{ + enum hw_event_mc_err_type tp_event; + char *optype, msg[PND2_MSG_SIZE]; + bool ripv = m->mcgstatus & MCG_STATUS_RIPV; + bool overflow = m->status & MCI_STATUS_OVER; + bool uc_err = m->status & MCI_STATUS_UC; + bool recov = m->status & MCI_STATUS_S; + u32 core_err_cnt = GET_BITFIELD(m->status, 38, 52); + u32 mscod = GET_BITFIELD(m->status, 16, 31); + u32 errcode = GET_BITFIELD(m->status, 0, 15); + u32 optypenum = GET_BITFIELD(m->status, 4, 6); + int rc; + + tp_event = uc_err ? (ripv ? HW_EVENT_ERR_FATAL : HW_EVENT_ERR_UNCORRECTED) : + HW_EVENT_ERR_CORRECTED; + + /* + * According with Table 15-9 of the Intel Architecture spec vol 3A, + * memory errors should fit in this mask: + * 000f 0000 1mmm cccc (binary) + * where: + * f = Correction Report Filtering Bit. If 1, subsequent errors + * won't be shown + * mmm = error type + * cccc = channel + * If the mask doesn't match, report an error to the parsing logic + */ + if (!((errcode & 0xef80) == 0x80)) { + optype = "Can't parse: it is not a mem"; + } else { + switch (optypenum) { + case 0: + optype = "generic undef request error"; + break; + case 1: + optype = "memory read error"; + break; + case 2: + optype = "memory write error"; + break; + case 3: + optype = "addr/cmd error"; + break; + case 4: + optype = "memory scrubbing error"; + break; + default: + optype = "reserved"; + break; + } + } + + /* Only decode errors with an valid address (ADDRV) */ + if (!(m->status & MCI_STATUS_ADDRV)) + return; + + rc = get_memory_error_data(mci, m->addr, daddr, msg); + if (rc) + goto address_error; + + snprintf(msg, sizeof(msg), + "%s%s err_code:%04x:%04x channel:%d DIMM:%d rank:%d row:%d bank:%d col:%d", + overflow ? " OVERFLOW" : "", (uc_err && recov) ? " recoverable" : "", mscod, + errcode, daddr->chan, daddr->dimm, daddr->rank, daddr->row, daddr->bank, daddr->col); + + edac_dbg(0, "%s\n", msg); + + /* Call the helper to output message */ + edac_mc_handle_error(tp_event, mci, core_err_cnt, m->addr >> PAGE_SHIFT, + m->addr & ~PAGE_MASK, 0, daddr->chan, daddr->dimm, -1, optype, msg); + + return; + +address_error: + edac_mc_handle_error(tp_event, mci, core_err_cnt, 0, 0, 0, -1, -1, -1, msg, ""); +} + +static void apl_get_dimm_config(struct mem_ctl_info *mci) +{ + struct pnd2_pvt *pvt = mci->pvt_info; + struct dimm_info *dimm; + struct d_cr_drp0 *d; + u64 capacity; + int i, g; + + for (i = 0; i < APL_NUM_CHANNELS; i++) { + if (!(chan_mask & BIT(i))) + continue; + + dimm = EDAC_DIMM_PTR(mci->layers, mci->dimms, mci->n_layers, i, 0, 0); + if (!dimm) { + edac_dbg(0, "No allocated DIMM for channel %d\n", i); + continue; + } + + d = &drp0[i]; + for (g = 0; g < ARRAY_SIZE(dimms); g++) + if (dimms[g].addrdec == d->addrdec && + dimms[g].dden == d->dden && + dimms[g].dwid == d->dwid) + break; + + if (g == ARRAY_SIZE(dimms)) { + edac_dbg(0, "Channel %d: unrecognized DIMM\n", i); + continue; + } + + pvt->dimm_geom[i] = g; + capacity = (d->rken0 + d->rken1) * 8 * (1ul << dimms[g].rowbits) * + (1ul << dimms[g].colbits); + edac_dbg(0, "Channel %d: %lld MByte DIMM\n", i, capacity >> (20 - 3)); + dimm->nr_pages = MiB_TO_PAGES(capacity >> (20 - 3)); + dimm->grain = 32; + dimm->dtype = (d->dwid == 0) ? DEV_X8 : DEV_X16; + dimm->mtype = MEM_DDR3; + dimm->edac_mode = EDAC_SECDED; + snprintf(dimm->label, sizeof(dimm->label), "Slice#%d_Chan#%d", i / 2, i % 2); + } +} + +static const int dnv_dtypes[] = { + DEV_X8, DEV_X4, DEV_X16, DEV_UNKNOWN +}; + +static void dnv_get_dimm_config(struct mem_ctl_info *mci) +{ + int i, j, ranks_of_dimm[DNV_MAX_DIMMS], banks, rowbits, colbits, memtype; + struct dimm_info *dimm; + struct d_cr_drp *d; + u64 capacity; + + if (dsch.ddr4en) { + memtype = MEM_DDR4; + banks = 16; + colbits = 10; + } else { + memtype = MEM_DDR3; + banks = 8; + } + + for (i = 0; i < DNV_NUM_CHANNELS; i++) { + if (dmap4[i].row14 == 31) + rowbits = 14; + else if (dmap4[i].row15 == 31) + rowbits = 15; + else if (dmap4[i].row16 == 31) + rowbits = 16; + else if (dmap4[i].row17 == 31) + rowbits = 17; + else + rowbits = 18; + + if (memtype == MEM_DDR3) { + if (dmap1[i].ca11 != 0x3f) + colbits = 12; + else + colbits = 10; + } + + d = &drp[i]; + /* DIMM0 is present if rank0 and/or rank1 is enabled */ + ranks_of_dimm[0] = d->rken0 + d->rken1; + /* DIMM1 is present if rank2 and/or rank3 is enabled */ + ranks_of_dimm[1] = d->rken2 + d->rken3; + + for (j = 0; j < DNV_MAX_DIMMS; j++) { + if (!ranks_of_dimm[j]) + continue; + + dimm = EDAC_DIMM_PTR(mci->layers, mci->dimms, mci->n_layers, i, j, 0); + if (!dimm) { + edac_dbg(0, "No allocated DIMM for channel %d DIMM %d\n", i, j); + continue; + } + + capacity = ranks_of_dimm[j] * banks * (1ul << rowbits) * (1ul << colbits); + edac_dbg(0, "Channel %d DIMM %d: %lld MByte DIMM\n", i, j, capacity >> (20 - 3)); + dimm->nr_pages = MiB_TO_PAGES(capacity >> (20 - 3)); + dimm->grain = 32; + dimm->dtype = dnv_dtypes[j ? d->dimmdwid0 : d->dimmdwid1]; + dimm->mtype = memtype; + dimm->edac_mode = EDAC_SECDED; + snprintf(dimm->label, sizeof(dimm->label), "Chan#%d_DIMM#%d", i, j); + } + } +} + +static int pnd2_register_mci(struct mem_ctl_info **ppmci) +{ + struct edac_mc_layer layers[2]; + struct mem_ctl_info *mci; + struct pnd2_pvt *pvt; + int rc; + + rc = ops->check_ecc(); + if (rc < 0) + return rc; + + /* Allocate a new MC control structure */ + layers[0].type = EDAC_MC_LAYER_CHANNEL; + layers[0].size = ops->channels; + layers[0].is_virt_csrow = false; + layers[1].type = EDAC_MC_LAYER_SLOT; + layers[1].size = ops->dimms_per_channel; + layers[1].is_virt_csrow = true; + mci = edac_mc_alloc(0, ARRAY_SIZE(layers), layers, sizeof(*pvt)); + if (!mci) + return -ENOMEM; + + pvt = mci->pvt_info; + memset(pvt, 0, sizeof(*pvt)); + + mci->mod_name = "pnd2_edac.c"; + mci->dev_name = ops->name; + mci->ctl_name = "Pondicherry2"; + + /* Get dimm basic config and the memory layout */ + ops->get_dimm_config(mci); + + if (edac_mc_add_mc(mci)) { + edac_dbg(0, "MC: failed edac_mc_add_mc()\n"); + edac_mc_free(mci); + return -EINVAL; + } + + *ppmci = mci; + + return 0; +} + +static void pnd2_unregister_mci(struct mem_ctl_info *mci) +{ + if (unlikely(!mci || !mci->pvt_info)) { + pnd2_printk(KERN_ERR, "Couldn't find mci handler\n"); + return; + } + + /* Remove MC sysfs nodes */ + edac_mc_del_mc(NULL); + edac_dbg(1, "%s: free mci struct\n", mci->ctl_name); + edac_mc_free(mci); +} + +/* + * Callback function registered with core kernel mce code. + * Called once for each logged error. + */ +static int pnd2_mce_check_error(struct notifier_block *nb, unsigned long val, void *data) +{ + struct mce *mce = (struct mce *)data; + struct mem_ctl_info *mci; + struct dram_addr daddr; + char *type; + + if (get_edac_report_status() == EDAC_REPORTING_DISABLED) + return NOTIFY_DONE; + + mci = pnd2_mci; + if (!mci) + return NOTIFY_DONE; + + /* + * Just let mcelog handle it if the error is + * outside the memory controller. A memory error + * is indicated by bit 7 = 1 and bits = 8-11,13-15 = 0. + * bit 12 has an special meaning. + */ + if ((mce->status & 0xefff) >> 7 != 1) + return NOTIFY_DONE; + + if (mce->mcgstatus & MCG_STATUS_MCIP) + type = "Exception"; + else + type = "Event"; + + pnd2_mc_printk(mci, KERN_INFO, "HANDLING MCE MEMORY ERROR\n"); + pnd2_mc_printk(mci, KERN_INFO, "CPU %u: Machine Check %s: %llx Bank %u: %llx\n", + mce->extcpu, type, mce->mcgstatus, mce->bank, mce->status); + pnd2_mc_printk(mci, KERN_INFO, "TSC %llx ", mce->tsc); + pnd2_mc_printk(mci, KERN_INFO, "ADDR %llx ", mce->addr); + pnd2_mc_printk(mci, KERN_INFO, "MISC %llx ", mce->misc); + pnd2_mc_printk(mci, KERN_INFO, "PROCESSOR %u:%x TIME %llu SOCKET %u APIC %x\n", + mce->cpuvendor, mce->cpuid, mce->time, mce->socketid, mce->apicid); + + pnd2_mce_output_error(mci, mce, &daddr); + + /* Advice mcelog that the error were handled */ + return NOTIFY_STOP; +} + +static struct notifier_block pnd2_mce_dec = { + .notifier_call = pnd2_mce_check_error, +}; + +#ifdef CONFIG_EDAC_DEBUG +/* + * Write an address to this file to exercise the address decode + * logic in this driver. + */ +static u64 pnd2_fake_addr; +#define PND2_BLOB_SIZE 1024 +static char pnd2_result[PND2_BLOB_SIZE]; +static struct dentry *pnd2_test; +static struct debugfs_blob_wrapper pnd2_blob = { + .data = pnd2_result, + .size = 0 +}; + +static int debugfs_u64_set(void *data, u64 val) +{ + struct dram_addr daddr; + struct mce m; + + *(u64 *)data = val; + m.mcgstatus = 0; + /* ADDRV + MemRd + Unknown channel */ + m.status = MCI_STATUS_ADDRV + 0x9f; + m.addr = val; + pnd2_mce_output_error(pnd2_mci, &m, &daddr); + snprintf(pnd2_blob.data, PND2_BLOB_SIZE, + "SysAddr=%llx Channel=%d DIMM=%d Rank=%d Bank=%d Row=%d Column=%d\n", + m.addr, daddr.chan, daddr.dimm, daddr.rank, daddr.bank, daddr.row, daddr.col); + pnd2_blob.size = strlen(pnd2_blob.data); + + return 0; +} +DEFINE_DEBUGFS_ATTRIBUTE(fops_u64_wo, NULL, debugfs_u64_set, "%llu\n"); + +static void setup_pnd2_debug(void) +{ + pnd2_test = edac_debugfs_create_dir("pnd2_test"); + edac_debugfs_create_file("pnd2_debug_addr", 0200, pnd2_test, + &pnd2_fake_addr, &fops_u64_wo); + debugfs_create_blob("pnd2_debug_results", 0400, pnd2_test, &pnd2_blob); +} + +static void teardown_pnd2_debug(void) +{ + debugfs_remove_recursive(pnd2_test); +} +#else +static void setup_pnd2_debug(void) {} +static void teardown_pnd2_debug(void) {} +#endif /* CONFIG_EDAC_DEBUG */ + + +static int pnd2_probe(void) +{ + int rc; + + edac_dbg(2, "\n"); + rc = get_registers(); + if (rc) + return rc; + + return pnd2_register_mci(&pnd2_mci); +} + +static void pnd2_remove(void) +{ + edac_dbg(0, "\n"); + pnd2_unregister_mci(pnd2_mci); +} + +static struct dunit_ops apl_ops = { + .name = "pnd2/apl", + .type = APL, + .pmiaddr_shift = LOG2_PMI_ADDR_GRANULARITY, + .pmiidx_shift = 0, + .channels = APL_NUM_CHANNELS, + .dimms_per_channel = 1, + .rd_reg = apl_rd_reg, + .get_registers = apl_get_registers, + .check_ecc = apl_check_ecc_active, + .mk_region = apl_mk_region, + .get_dimm_config = apl_get_dimm_config, + .pmi2mem = apl_pmi2mem, +}; + +static struct dunit_ops dnv_ops = { + .name = "pnd2/dnv", + .type = DNV, + .pmiaddr_shift = 0, + .pmiidx_shift = 1, + .channels = DNV_NUM_CHANNELS, + .dimms_per_channel = 2, + .rd_reg = dnv_rd_reg, + .get_registers = dnv_get_registers, + .check_ecc = dnv_check_ecc_active, + .mk_region = dnv_mk_region, + .get_dimm_config = dnv_get_dimm_config, + .pmi2mem = dnv_pmi2mem, +}; + +static const struct x86_cpu_id pnd2_cpuids[] = { + { X86_VENDOR_INTEL, 6, INTEL_FAM6_ATOM_GOLDMONT, 0, (kernel_ulong_t)&apl_ops }, + { X86_VENDOR_INTEL, 6, INTEL_FAM6_ATOM_DENVERTON, 0, (kernel_ulong_t)&dnv_ops }, + { } +}; +MODULE_DEVICE_TABLE(x86cpu, pnd2_cpuids); + +static int __init pnd2_init(void) +{ + const struct x86_cpu_id *id; + int rc; + + edac_dbg(2, "\n"); + + id = x86_match_cpu(pnd2_cpuids); + if (!id) + return -ENODEV; + + ops = (struct dunit_ops *)id->driver_data; + + /* Ensure that the OPSTATE is set correctly for POLL or NMI */ + opstate_init(); + + rc = pnd2_probe(); + if (rc < 0) { + pnd2_printk(KERN_ERR, "Failed to register device with error %d.\n", rc); + return rc; + } + + if (!pnd2_mci) + return -ENODEV; + + mce_register_decode_chain(&pnd2_mce_dec); + setup_pnd2_debug(); + + return 0; +} + +static void __exit pnd2_exit(void) +{ + edac_dbg(2, "\n"); + teardown_pnd2_debug(); + mce_unregister_decode_chain(&pnd2_mce_dec); + pnd2_remove(); +} + +module_init(pnd2_init); +module_exit(pnd2_exit); + +module_param(edac_op_state, int, 0444); +MODULE_PARM_DESC(edac_op_state, "EDAC Error Reporting state: 0=Poll,1=NMI"); + +MODULE_LICENSE("GPL v2"); +MODULE_AUTHOR("Tony Luck"); +MODULE_DESCRIPTION("MC Driver for Intel SoC using Pondicherry memory controller"); diff --git a/drivers/edac/pnd2_edac.h b/drivers/edac/pnd2_edac.h new file mode 100644 index 0000000..61b6e79 --- /dev/null +++ b/drivers/edac/pnd2_edac.h @@ -0,0 +1,301 @@ +/* + * Register bitfield descriptions for Pondicherry2 memory controller. + * + * Copyright (c) 2016, Intel Corporation. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + */ + +#ifndef _PND2_REGS_H +#define _PND2_REGS_H + +struct b_cr_touud_lo_pci { + u32 lock : 1; + u32 reserved_1 : 19; + u32 touud : 12; +}; + +#define b_cr_touud_lo_pci_port 0x4c +#define b_cr_touud_lo_pci_offset 0xa8 +#define b_cr_touud_lo_pci_r_opcode 0x04 + +struct b_cr_touud_hi_pci { + u32 touud : 7; + u32 reserved_0 : 25; +}; + +#define b_cr_touud_hi_pci_port 0x4c +#define b_cr_touud_hi_pci_offset 0xac +#define b_cr_touud_hi_pci_r_opcode 0x04 + +struct b_cr_tolud_pci { + u32 lock : 1; + u32 reserved_0 : 19; + u32 tolud : 12; +}; + +#define b_cr_tolud_pci_port 0x4c +#define b_cr_tolud_pci_offset 0xbc +#define b_cr_tolud_pci_r_opcode 0x04 + +struct b_cr_mchbar_lo_pci { + u32 enable : 1; + u32 pad_3_1 : 3; + u32 pad_14_4: 11; + u32 base: 17; +}; + +struct b_cr_mchbar_hi_pci { + u32 base : 7; + u32 pad_31_7 : 25; +}; + +/* Symmetric region */ +struct b_cr_slice_channel_hash { + u64 slice_1_disabled : 1; + u64 hvm_mode : 1; + u64 interleave_mode : 2; + u64 slice_0_mem_disabled : 1; + u64 reserved_0 : 1; + u64 slice_hash_mask : 14; + u64 reserved_1 : 11; + u64 enable_pmi_dual_data_mode : 1; + u64 ch_1_disabled : 1; + u64 reserved_2 : 1; + u64 sym_slice0_channel_enabled : 2; + u64 sym_slice1_channel_enabled : 2; + u64 ch_hash_mask : 14; + u64 reserved_3 : 11; + u64 lock : 1; +}; + +#define b_cr_slice_channel_hash_port 0x4c +#define b_cr_slice_channel_hash_offset 0x4c58 +#define b_cr_slice_channel_hash_r_opcode 0x06 + +struct b_cr_mot_out_base_mchbar { + u32 reserved_0 : 14; + u32 mot_out_base : 15; + u32 reserved_1 : 1; + u32 tr_en : 1; + u32 imr_en : 1; +}; + +#define b_cr_mot_out_base_mchbar_port 0x4c +#define b_cr_mot_out_base_mchbar_offset 0x6af0 +#define b_cr_mot_out_base_mchbar_r_opcode 0x00 + +struct b_cr_mot_out_mask_mchbar { + u32 reserved_0 : 14; + u32 mot_out_mask : 15; + u32 reserved_1 : 1; + u32 ia_iwb_en : 1; + u32 gt_iwb_en : 1; +}; + +#define b_cr_mot_out_mask_mchbar_port 0x4c +#define b_cr_mot_out_mask_mchbar_offset 0x6af4 +#define b_cr_mot_out_mask_mchbar_r_opcode 0x00 + +struct b_cr_asym_mem_region0_mchbar { + u32 pad : 4; + u32 slice0_asym_base : 11; + u32 pad_18_15 : 4; + u32 slice0_asym_limit : 11; + u32 slice0_asym_channel_select : 1; + u32 slice0_asym_enable : 1; +}; + +#define b_cr_asym_mem_region0_mchbar_port 0x4c +#define b_cr_asym_mem_region0_mchbar_offset 0x6e40 +#define b_cr_asym_mem_region0_mchbar_r_opcode 0x00 + +struct b_cr_asym_mem_region1_mchbar { + u32 pad : 4; + u32 slice1_asym_base : 11; + u32 pad_18_15 : 4; + u32 slice1_asym_limit : 11; + u32 slice1_asym_channel_select : 1; + u32 slice1_asym_enable : 1; +}; + +#define b_cr_asym_mem_region1_mchbar_port 0x4c +#define b_cr_asym_mem_region1_mchbar_offset 0x6e44 +#define b_cr_asym_mem_region1_mchbar_r_opcode 0x00 + +/* Some bit fields moved in above two structs on Denverton */ +struct b_cr_asym_mem_region_denverton { + u32 pad : 4; + u32 slice_asym_base : 8; + u32 pad_19_12 : 8; + u32 slice_asym_limit : 8; + u32 pad_28_30 : 3; + u32 slice_asym_enable : 1; +}; + +struct b_cr_asym_2way_mem_region_mchbar { + u32 pad : 2; + u32 asym_2way_intlv_mode : 2; + u32 asym_2way_base : 11; + u32 pad_16_15 : 2; + u32 asym_2way_limit : 11; + u32 pad_30_28 : 3; + u32 asym_2way_interleave_enable : 1; +}; + +#define b_cr_asym_2way_mem_region_mchbar_port 0x4c +#define b_cr_asym_2way_mem_region_mchbar_offset 0x6e50 +#define b_cr_asym_2way_mem_region_mchbar_r_opcode 0x00 + +/* Apollo Lake d-unit */ + +struct d_cr_drp0 { + u32 rken0 : 1; + u32 rken1 : 1; + u32 ddmen : 1; + u32 rsvd3 : 1; + u32 dwid : 2; + u32 dden : 3; + u32 rsvd13_9 : 5; + u32 rsien : 1; + u32 bahen : 1; + u32 rsvd18_16 : 3; + u32 caswizzle : 2; + u32 eccen : 1; + u32 dramtype : 3; + u32 blmode : 3; + u32 addrdec : 2; + u32 dramdevice_pr : 2; +}; + +#define d_cr_drp0_offset 0x1400 +#define d_cr_drp0_r_opcode 0x00 + +/* Denverton d-unit */ + +struct d_cr_dsch { + u32 ch0en : 1; + u32 ch1en : 1; + u32 ddr4en : 1; + u32 coldwake : 1; + u32 newbypdis : 1; + u32 chan_width : 1; + u32 rsvd6_6 : 1; + u32 ooodis : 1; + u32 rsvd18_8 : 11; + u32 ic : 1; + u32 rsvd31_20 : 12; +}; + +#define d_cr_dsch_port 0x16 +#define d_cr_dsch_offset 0x0 +#define d_cr_dsch_r_opcode 0x0 + +struct d_cr_ecc_ctrl { + u32 eccen : 1; + u32 rsvd31_1 : 31; +}; + +#define d_cr_ecc_ctrl_offset 0x180 +#define d_cr_ecc_ctrl_r_opcode 0x0 + +struct d_cr_drp { + u32 rken0 : 1; + u32 rken1 : 1; + u32 rken2 : 1; + u32 rken3 : 1; + u32 dimmdwid0 : 2; + u32 dimmdden0 : 2; + u32 dimmdwid1 : 2; + u32 dimmdden1 : 2; + u32 rsvd15_12 : 4; + u32 dimmflip : 1; + u32 rsvd31_17 : 15; +}; + +#define d_cr_drp_offset 0x158 +#define d_cr_drp_r_opcode 0x0 + +struct d_cr_dmap { + u32 ba0 : 5; + u32 ba1 : 5; + u32 bg0 : 5; /* if ddr3, ba2 = bg0 */ + u32 bg1 : 5; /* if ddr3, ba3 = bg1 */ + u32 rs0 : 5; + u32 rs1 : 5; + u32 rsvd : 2; +}; + +#define d_cr_dmap_offset 0x174 +#define d_cr_dmap_r_opcode 0x0 + +struct d_cr_dmap1 { + u32 ca11 : 6; + u32 bxor : 1; + u32 rsvd : 25; +}; + +#define d_cr_dmap1_offset 0xb4 +#define d_cr_dmap1_r_opcode 0x0 + +struct d_cr_dmap2 { + u32 row0 : 5; + u32 row1 : 5; + u32 row2 : 5; + u32 row3 : 5; + u32 row4 : 5; + u32 row5 : 5; + u32 rsvd : 2; +}; + +#define d_cr_dmap2_offset 0x148 +#define d_cr_dmap2_r_opcode 0x0 + +struct d_cr_dmap3 { + u32 row6 : 5; + u32 row7 : 5; + u32 row8 : 5; + u32 row9 : 5; + u32 row10 : 5; + u32 row11 : 5; + u32 rsvd : 2; +}; + +#define d_cr_dmap3_offset 0x14c +#define d_cr_dmap3_r_opcode 0x0 + +struct d_cr_dmap4 { + u32 row12 : 5; + u32 row13 : 5; + u32 row14 : 5; + u32 row15 : 5; + u32 row16 : 5; + u32 row17 : 5; + u32 rsvd : 2; +}; + +#define d_cr_dmap4_offset 0x150 +#define d_cr_dmap4_r_opcode 0x0 + +struct d_cr_dmap5 { + u32 ca3 : 4; + u32 ca4 : 4; + u32 ca5 : 4; + u32 ca6 : 4; + u32 ca7 : 4; + u32 ca8 : 4; + u32 ca9 : 4; + u32 rsvd : 4; +}; + +#define d_cr_dmap5_offset 0x154 +#define d_cr_dmap5_r_opcode 0x0 + +#endif /* _PND2_REGS_H */ diff --git a/drivers/edac/xgene_edac.c b/drivers/edac/xgene_edac.c index 6c270d9..6692460 100644 --- a/drivers/edac/xgene_edac.c +++ b/drivers/edac/xgene_edac.c @@ -1596,7 +1596,7 @@ static void xgene_edac_pa_report(struct edac_device_ctl_info *edac_dev) reg = readl(ctx->dev_csr + IOBPATRANSERRINTSTS); if (!reg) goto chk_iob_axi0; - dev_err(edac_dev->dev, "IOB procesing agent (PA) transaction error\n"); + dev_err(edac_dev->dev, "IOB processing agent (PA) transaction error\n"); if (reg & IOBPA_RDATA_CORRUPT_MASK) dev_err(edac_dev->dev, "IOB PA read data RAM error\n"); if (reg & IOBPA_M_RDATA_CORRUPT_MASK) diff --git a/drivers/extcon/Kconfig b/drivers/extcon/Kconfig index 96bbae5..fc09c76 100644 --- a/drivers/extcon/Kconfig +++ b/drivers/extcon/Kconfig @@ -44,7 +44,7 @@ config EXTCON_GPIO config EXTCON_INTEL_INT3496 tristate "Intel INT3496 ACPI device extcon driver" - depends on GPIOLIB && ACPI + depends on GPIOLIB && ACPI && (X86 || COMPILE_TEST) help Say Y here to enable extcon support for USB OTG ports controlled by an Intel INT3496 ACPI device. diff --git a/drivers/extcon/extcon-intel-int3496.c b/drivers/extcon/extcon-intel-int3496.c index a3131b0..9d17984 100644 --- a/drivers/extcon/extcon-intel-int3496.c +++ b/drivers/extcon/extcon-intel-int3496.c @@ -45,6 +45,17 @@ static const unsigned int int3496_cable[] = { EXTCON_NONE, }; +static const struct acpi_gpio_params id_gpios = { INT3496_GPIO_USB_ID, 0, false }; +static const struct acpi_gpio_params vbus_gpios = { INT3496_GPIO_VBUS_EN, 0, false }; +static const struct acpi_gpio_params mux_gpios = { INT3496_GPIO_USB_MUX, 0, false }; + +static const struct acpi_gpio_mapping acpi_int3496_default_gpios[] = { + { "id-gpios", &id_gpios, 1 }, + { "vbus-gpios", &vbus_gpios, 1 }, + { "mux-gpios", &mux_gpios, 1 }, + { }, +}; + static void int3496_do_usb_id(struct work_struct *work) { struct int3496_data *data = @@ -83,6 +94,13 @@ static int int3496_probe(struct platform_device *pdev) struct int3496_data *data; int ret; + ret = acpi_dev_add_driver_gpios(ACPI_COMPANION(dev), + acpi_int3496_default_gpios); + if (ret) { + dev_err(dev, "can't add GPIO ACPI mapping\n"); + return ret; + } + data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL); if (!data) return -ENOMEM; @@ -90,30 +108,27 @@ static int int3496_probe(struct platform_device *pdev) data->dev = dev; INIT_DELAYED_WORK(&data->work, int3496_do_usb_id); - data->gpio_usb_id = devm_gpiod_get_index(dev, "id", - INT3496_GPIO_USB_ID, - GPIOD_IN); + data->gpio_usb_id = devm_gpiod_get(dev, "id", GPIOD_IN); if (IS_ERR(data->gpio_usb_id)) { ret = PTR_ERR(data->gpio_usb_id); dev_err(dev, "can't request USB ID GPIO: %d\n", ret); return ret; + } else if (gpiod_get_direction(data->gpio_usb_id) != GPIOF_DIR_IN) { + dev_warn(dev, FW_BUG "USB ID GPIO not in input mode, fixing\n"); + gpiod_direction_input(data->gpio_usb_id); } data->usb_id_irq = gpiod_to_irq(data->gpio_usb_id); - if (data->usb_id_irq <= 0) { + if (data->usb_id_irq < 0) { dev_err(dev, "can't get USB ID IRQ: %d\n", data->usb_id_irq); - return -EINVAL; + return data->usb_id_irq; } - data->gpio_vbus_en = devm_gpiod_get_index(dev, "vbus en", - INT3496_GPIO_VBUS_EN, - GPIOD_ASIS); + data->gpio_vbus_en = devm_gpiod_get(dev, "vbus", GPIOD_ASIS); if (IS_ERR(data->gpio_vbus_en)) dev_info(dev, "can't request VBUS EN GPIO\n"); - data->gpio_usb_mux = devm_gpiod_get_index(dev, "usb mux", - INT3496_GPIO_USB_MUX, - GPIOD_ASIS); + data->gpio_usb_mux = devm_gpiod_get(dev, "mux", GPIOD_ASIS); if (IS_ERR(data->gpio_usb_mux)) dev_info(dev, "can't request USB MUX GPIO\n"); @@ -154,6 +169,8 @@ static int int3496_remove(struct platform_device *pdev) devm_free_irq(&pdev->dev, data->usb_id_irq, data); cancel_delayed_work_sync(&data->work); + acpi_dev_remove_driver_gpios(ACPI_COMPANION(&pdev->dev)); + return 0; } diff --git a/drivers/firmware/efi/efi.c b/drivers/firmware/efi/efi.c index e7d4040..b372aad 100644 --- a/drivers/firmware/efi/efi.c +++ b/drivers/firmware/efi/efi.c @@ -389,7 +389,6 @@ int __init efi_mem_desc_lookup(u64 phys_addr, efi_memory_desc_t *out_md) return 0; } } - pr_err_once("requested map not found.\n"); return -ENOENT; } diff --git a/drivers/firmware/efi/esrt.c b/drivers/firmware/efi/esrt.c index 08b0268..8554d7a 100644 --- a/drivers/firmware/efi/esrt.c +++ b/drivers/firmware/efi/esrt.c @@ -254,7 +254,7 @@ void __init efi_esrt_init(void) rc = efi_mem_desc_lookup(efi.esrt, &md); if (rc < 0) { - pr_err("ESRT header is not in the memory map.\n"); + pr_warn("ESRT header is not in the memory map.\n"); return; } diff --git a/drivers/firmware/efi/libstub/gop.c b/drivers/firmware/efi/libstub/gop.c index 932742e..24c461d 100644 --- a/drivers/firmware/efi/libstub/gop.c +++ b/drivers/firmware/efi/libstub/gop.c @@ -149,7 +149,8 @@ setup_gop32(efi_system_table_t *sys_table_arg, struct screen_info *si, status = __gop_query32(sys_table_arg, gop32, &info, &size, ¤t_fb_base); - if (status == EFI_SUCCESS && (!first_gop || conout_found)) { + if (status == EFI_SUCCESS && (!first_gop || conout_found) && + info->pixel_format != PIXEL_BLT_ONLY) { /* * Systems that use the UEFI Console Splitter may * provide multiple GOP devices, not all of which are @@ -266,7 +267,8 @@ setup_gop64(efi_system_table_t *sys_table_arg, struct screen_info *si, status = __gop_query64(sys_table_arg, gop64, &info, &size, ¤t_fb_base); - if (status == EFI_SUCCESS && (!first_gop || conout_found)) { + if (status == EFI_SUCCESS && (!first_gop || conout_found) && + info->pixel_format != PIXEL_BLT_ONLY) { /* * Systems that use the UEFI Console Splitter may * provide multiple GOP devices, not all of which are diff --git a/drivers/gpio/gpio-altera-a10sr.c b/drivers/gpio/gpio-altera-a10sr.c index 9e1a138..16a8951 100644 --- a/drivers/gpio/gpio-altera-a10sr.c +++ b/drivers/gpio/gpio-altera-a10sr.c @@ -96,7 +96,7 @@ static int altr_a10sr_gpio_probe(struct platform_device *pdev) gpio->regmap = a10sr->regmap; gpio->gp = altr_a10sr_gc; - + gpio->gp.parent = pdev->dev.parent; gpio->gp.of_node = pdev->dev.of_node; ret = devm_gpiochip_add_data(&pdev->dev, &gpio->gp, gpio); diff --git a/drivers/gpio/gpio-altera.c b/drivers/gpio/gpio-altera.c index 5bddbd5..3fe6a21 100644 --- a/drivers/gpio/gpio-altera.c +++ b/drivers/gpio/gpio-altera.c @@ -90,21 +90,18 @@ static int altera_gpio_irq_set_type(struct irq_data *d, altera_gc = gpiochip_get_data(irq_data_get_irq_chip_data(d)); - if (type == IRQ_TYPE_NONE) + if (type == IRQ_TYPE_NONE) { + irq_set_handler_locked(d, handle_bad_irq); return 0; - if (type == IRQ_TYPE_LEVEL_HIGH && - altera_gc->interrupt_trigger == IRQ_TYPE_LEVEL_HIGH) - return 0; - if (type == IRQ_TYPE_EDGE_RISING && - altera_gc->interrupt_trigger == IRQ_TYPE_EDGE_RISING) - return 0; - if (type == IRQ_TYPE_EDGE_FALLING && - altera_gc->interrupt_trigger == IRQ_TYPE_EDGE_FALLING) - return 0; - if (type == IRQ_TYPE_EDGE_BOTH && - altera_gc->interrupt_trigger == IRQ_TYPE_EDGE_BOTH) + } + if (type == altera_gc->interrupt_trigger) { + if (type == IRQ_TYPE_LEVEL_HIGH) + irq_set_handler_locked(d, handle_level_irq); + else + irq_set_handler_locked(d, handle_simple_irq); return 0; - + } + irq_set_handler_locked(d, handle_bad_irq); return -EINVAL; } @@ -230,7 +227,6 @@ static void altera_gpio_irq_edge_handler(struct irq_desc *desc) chained_irq_exit(chip, desc); } - static void altera_gpio_irq_leveL_high_handler(struct irq_desc *desc) { struct altera_gpio_chip *altera_gc; @@ -310,7 +306,7 @@ static int altera_gpio_probe(struct platform_device *pdev) altera_gc->interrupt_trigger = reg; ret = gpiochip_irqchip_add(&altera_gc->mmchip.gc, &altera_irq_chip, 0, - handle_simple_irq, IRQ_TYPE_NONE); + handle_bad_irq, IRQ_TYPE_NONE); if (ret) { dev_err(&pdev->dev, "could not add irqchip\n"); diff --git a/drivers/gpio/gpio-mcp23s08.c b/drivers/gpio/gpio-mcp23s08.c index bdb6923..2a57d024 100644 --- a/drivers/gpio/gpio-mcp23s08.c +++ b/drivers/gpio/gpio-mcp23s08.c @@ -270,8 +270,10 @@ mcp23s08_direction_output(struct gpio_chip *chip, unsigned offset, int value) static irqreturn_t mcp23s08_irq(int irq, void *data) { struct mcp23s08 *mcp = data; - int intcap, intf, i; + int intcap, intf, i, gpio, gpio_orig, intcap_mask; unsigned int child_irq; + bool intf_set, intcap_changed, gpio_bit_changed, + defval_changed, gpio_set; mutex_lock(&mcp->lock); if (mcp_read(mcp, MCP_INTF, &intf) < 0) { @@ -287,14 +289,67 @@ static irqreturn_t mcp23s08_irq(int irq, void *data) } mcp->cache[MCP_INTCAP] = intcap; + + /* This clears the interrupt(configurable on S18) */ + if (mcp_read(mcp, MCP_GPIO, &gpio) < 0) { + mutex_unlock(&mcp->lock); + return IRQ_HANDLED; + } + gpio_orig = mcp->cache[MCP_GPIO]; + mcp->cache[MCP_GPIO] = gpio; mutex_unlock(&mcp->lock); + if (mcp->cache[MCP_INTF] == 0) { + /* There is no interrupt pending */ + return IRQ_HANDLED; + } + + dev_dbg(mcp->chip.parent, + "intcap 0x%04X intf 0x%04X gpio_orig 0x%04X gpio 0x%04X\n", + intcap, intf, gpio_orig, gpio); for (i = 0; i < mcp->chip.ngpio; i++) { - if ((BIT(i) & mcp->cache[MCP_INTF]) && - ((BIT(i) & intcap & mcp->irq_rise) || - (mcp->irq_fall & ~intcap & BIT(i)) || - (BIT(i) & mcp->cache[MCP_INTCON]))) { + /* We must check all of the inputs on the chip, + * otherwise we may not notice a change on >=2 pins. + * + * On at least the mcp23s17, INTCAP is only updated + * one byte at a time(INTCAPA and INTCAPB are + * not written to at the same time - only on a per-bank + * basis). + * + * INTF only contains the single bit that caused the + * interrupt per-bank. On the mcp23s17, there is + * INTFA and INTFB. If two pins are changed on the A + * side at the same time, INTF will only have one bit + * set. If one pin on the A side and one pin on the B + * side are changed at the same time, INTF will have + * two bits set. Thus, INTF can't be the only check + * to see if the input has changed. + */ + + intf_set = BIT(i) & mcp->cache[MCP_INTF]; + if (i < 8 && intf_set) + intcap_mask = 0x00FF; + else if (i >= 8 && intf_set) + intcap_mask = 0xFF00; + else + intcap_mask = 0x00; + + intcap_changed = (intcap_mask & + (BIT(i) & mcp->cache[MCP_INTCAP])) != + (intcap_mask & (BIT(i) & gpio_orig)); + gpio_set = BIT(i) & mcp->cache[MCP_GPIO]; + gpio_bit_changed = (BIT(i) & gpio_orig) != + (BIT(i) & mcp->cache[MCP_GPIO]); + defval_changed = (BIT(i) & mcp->cache[MCP_INTCON]) && + ((BIT(i) & mcp->cache[MCP_GPIO]) != + (BIT(i) & mcp->cache[MCP_DEFVAL])); + + if (((gpio_bit_changed || intcap_changed) && + (BIT(i) & mcp->irq_rise) && gpio_set) || + ((gpio_bit_changed || intcap_changed) && + (BIT(i) & mcp->irq_fall) && !gpio_set) || + defval_changed) { child_irq = irq_find_mapping(mcp->chip.irqdomain, i); handle_nested_irq(child_irq); } diff --git a/drivers/gpio/gpio-mockup.c b/drivers/gpio/gpio-mockup.c index 06dac72..d993386 100644 --- a/drivers/gpio/gpio-mockup.c +++ b/drivers/gpio/gpio-mockup.c @@ -197,7 +197,7 @@ static ssize_t gpio_mockup_event_write(struct file *file, struct seq_file *sfile; struct gpio_desc *desc; struct gpio_chip *gc; - int status, val; + int val; char buf; sfile = file->private_data; @@ -206,9 +206,8 @@ static ssize_t gpio_mockup_event_write(struct file *file, chip = priv->chip; gc = &chip->gc; - status = copy_from_user(&buf, usr_buf, 1); - if (status) - return status; + if (copy_from_user(&buf, usr_buf, 1)) + return -EFAULT; if (buf == '0') val = 0; diff --git a/drivers/gpio/gpio-xgene.c b/drivers/gpio/gpio-xgene.c index 40a8881..f1c6ec1 100644 --- a/drivers/gpio/gpio-xgene.c +++ b/drivers/gpio/gpio-xgene.c @@ -42,9 +42,7 @@ struct xgene_gpio { struct gpio_chip chip; void __iomem *base; spinlock_t lock; -#ifdef CONFIG_PM u32 set_dr_val[XGENE_MAX_GPIO_BANKS]; -#endif }; static int xgene_gpio_get(struct gpio_chip *gc, unsigned int offset) @@ -138,8 +136,7 @@ static int xgene_gpio_dir_out(struct gpio_chip *gc, return 0; } -#ifdef CONFIG_PM -static int xgene_gpio_suspend(struct device *dev) +static __maybe_unused int xgene_gpio_suspend(struct device *dev) { struct xgene_gpio *gpio = dev_get_drvdata(dev); unsigned long bank_offset; @@ -152,7 +149,7 @@ static int xgene_gpio_suspend(struct device *dev) return 0; } -static int xgene_gpio_resume(struct device *dev) +static __maybe_unused int xgene_gpio_resume(struct device *dev) { struct xgene_gpio *gpio = dev_get_drvdata(dev); unsigned long bank_offset; @@ -166,10 +163,6 @@ static int xgene_gpio_resume(struct device *dev) } static SIMPLE_DEV_PM_OPS(xgene_gpio_pm, xgene_gpio_suspend, xgene_gpio_resume); -#define XGENE_GPIO_PM_OPS (&xgene_gpio_pm) -#else -#define XGENE_GPIO_PM_OPS NULL -#endif static int xgene_gpio_probe(struct platform_device *pdev) { @@ -241,7 +234,7 @@ static struct platform_driver xgene_gpio_driver = { .name = "xgene-gpio", .of_match_table = xgene_gpio_of_match, .acpi_match_table = ACPI_PTR(xgene_gpio_acpi_match), - .pm = XGENE_GPIO_PM_OPS, + .pm = &xgene_gpio_pm, }, .probe = xgene_gpio_probe, }; diff --git a/drivers/gpio/gpiolib-acpi.c b/drivers/gpio/gpiolib-acpi.c index 9b37a36..2bd683e 100644 --- a/drivers/gpio/gpiolib-acpi.c +++ b/drivers/gpio/gpiolib-acpi.c @@ -266,6 +266,9 @@ static acpi_status acpi_gpiochip_request_interrupt(struct acpi_resource *ares, goto fail_free_event; } + if (agpio->wake_capable == ACPI_WAKE_CAPABLE) + enable_irq_wake(irq); + list_add_tail(&event->node, &acpi_gpio->events); return AE_OK; @@ -339,6 +342,9 @@ void acpi_gpiochip_free_interrupts(struct gpio_chip *chip) list_for_each_entry_safe_reverse(event, ep, &acpi_gpio->events, node) { struct gpio_desc *desc; + if (irqd_is_wakeup_set(irq_get_irq_data(event->irq))) + disable_irq_wake(event->irq); + free_irq(event->irq, event); desc = event->desc; if (WARN_ON(IS_ERR(desc))) @@ -571,8 +577,10 @@ struct gpio_desc *acpi_find_gpio(struct device *dev, } desc = acpi_get_gpiod_by_index(adev, propname, idx, &info); - if (!IS_ERR(desc) || (PTR_ERR(desc) == -EPROBE_DEFER)) + if (!IS_ERR(desc)) break; + if (PTR_ERR(desc) == -EPROBE_DEFER) + return ERR_CAST(desc); } /* Then from plain _CRS GPIOs */ diff --git a/drivers/gpu/drm/amd/acp/Makefile b/drivers/gpu/drm/amd/acp/Makefile index 8363cb5..8a08e81 100644 --- a/drivers/gpu/drm/amd/acp/Makefile +++ b/drivers/gpu/drm/amd/acp/Makefile @@ -3,6 +3,4 @@ # of AMDSOC/AMDGPU drm driver. # It provides the HW control for ACP related functionalities. -subdir-ccflags-y += -I$(AMDACPPATH)/ -I$(AMDACPPATH)/include - AMD_ACP_FILES := $(AMDACPPATH)/acp_hw.o diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c index d2d0f60..99424cb 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c @@ -240,6 +240,8 @@ free_partial_kdata: for (; i >= 0; i--) drm_free_large(p->chunks[i].kdata); kfree(p->chunks); + p->chunks = NULL; + p->nchunks = 0; put_ctx: amdgpu_ctx_put(p->ctx); free_chunk: diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c index 4120b35..de0cf33 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -475,7 +475,7 @@ static int amdgpu_wb_init(struct amdgpu_device *adev) int r; if (adev->wb.wb_obj == NULL) { - r = amdgpu_bo_create_kernel(adev, AMDGPU_MAX_WB * 4, + r = amdgpu_bo_create_kernel(adev, AMDGPU_MAX_WB * sizeof(uint32_t), PAGE_SIZE, AMDGPU_GEM_DOMAIN_GTT, &adev->wb.wb_obj, &adev->wb.gpu_addr, (void **)&adev->wb.wb); @@ -488,7 +488,7 @@ static int amdgpu_wb_init(struct amdgpu_device *adev) memset(&adev->wb.used, 0, sizeof(adev->wb.used)); /* clear wb memory */ - memset((char *)adev->wb.wb, 0, AMDGPU_GPU_PAGE_SIZE); + memset((char *)adev->wb.wb, 0, AMDGPU_MAX_WB * sizeof(uint32_t)); } return 0; @@ -2590,7 +2590,7 @@ static ssize_t amdgpu_debugfs_regs_read(struct file *f, char __user *buf, use_bank = 0; } - *pos &= 0x3FFFF; + *pos &= (1UL << 22) - 1; if (use_bank) { if ((sh_bank != 0xFFFFFFFF && sh_bank >= adev->gfx.config.max_sh_per_se) || @@ -2666,7 +2666,7 @@ static ssize_t amdgpu_debugfs_regs_write(struct file *f, const char __user *buf, use_bank = 0; } - *pos &= 0x3FFFF; + *pos &= (1UL << 22) - 1; if (use_bank) { if ((sh_bank != 0xFFFFFFFF && sh_bank >= adev->gfx.config.max_sh_per_se) || diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c index f7adbac..b76cd69 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c @@ -421,6 +421,7 @@ static const struct pci_device_id pciidlist[] = { {0x1002, 0x6985, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS12}, {0x1002, 0x6986, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS12}, {0x1002, 0x6987, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS12}, + {0x1002, 0x6995, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS12}, {0x1002, 0x699F, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_POLARIS12}, {0, 0, 0} diff --git a/drivers/gpu/drm/amd/amdgpu/si_dpm.c b/drivers/gpu/drm/amd/amdgpu/si_dpm.c index f55e45b..c5dec21 100644 --- a/drivers/gpu/drm/amd/amdgpu/si_dpm.c +++ b/drivers/gpu/drm/amd/amdgpu/si_dpm.c @@ -3464,6 +3464,16 @@ static void si_apply_state_adjust_rules(struct amdgpu_device *adev, (adev->pdev->device == 0x6667)) { max_sclk = 75000; } + } else if (adev->asic_type == CHIP_OLAND) { + if ((adev->pdev->revision == 0xC7) || + (adev->pdev->revision == 0x80) || + (adev->pdev->revision == 0x81) || + (adev->pdev->revision == 0x83) || + (adev->pdev->revision == 0x87) || + (adev->pdev->device == 0x6604) || + (adev->pdev->device == 0x6605)) { + max_sclk = 75000; + } } if (rps->vce_active) { diff --git a/drivers/gpu/drm/amd/amdgpu/vi.c b/drivers/gpu/drm/amd/amdgpu/vi.c index 50bdb24..4a785d6 100644 --- a/drivers/gpu/drm/amd/amdgpu/vi.c +++ b/drivers/gpu/drm/amd/amdgpu/vi.c @@ -1051,7 +1051,7 @@ static int vi_common_early_init(void *handle) /* rev0 hardware requires workarounds to support PG */ adev->pg_flags = 0; if (adev->rev_id != 0x00) { - adev->pg_flags |= AMD_PG_SUPPORT_GFX_PG | + adev->pg_flags |= AMD_PG_SUPPORT_GFX_SMG | AMD_PG_SUPPORT_GFX_PIPELINE | AMD_PG_SUPPORT_CP | diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_clockpowergating.c b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_clockpowergating.c index 8cf71f3..261b828 100644 --- a/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_clockpowergating.c +++ b/drivers/gpu/drm/amd/powerplay/hwmgr/smu7_clockpowergating.c @@ -178,7 +178,7 @@ int smu7_powergate_vce(struct pp_hwmgr *hwmgr, bool bgate) if (bgate) { cgs_set_powergating_state(hwmgr->device, AMD_IP_BLOCK_TYPE_VCE, - AMD_PG_STATE_UNGATE); + AMD_PG_STATE_GATE); cgs_set_clockgating_state(hwmgr->device, AMD_IP_BLOCK_TYPE_VCE, AMD_CG_STATE_GATE); diff --git a/drivers/gpu/drm/arm/malidp_crtc.c b/drivers/gpu/drm/arm/malidp_crtc.c index 08e6a71..294b536 100644 --- a/drivers/gpu/drm/arm/malidp_crtc.c +++ b/drivers/gpu/drm/arm/malidp_crtc.c @@ -63,8 +63,7 @@ static void malidp_crtc_enable(struct drm_crtc *crtc) clk_prepare_enable(hwdev->pxlclk); - /* mclk needs to be set to the same or higher rate than pxlclk */ - clk_set_rate(hwdev->mclk, crtc->state->adjusted_mode.crtc_clock * 1000); + /* We rely on firmware to set mclk to a sensible level. */ clk_set_rate(hwdev->pxlclk, crtc->state->adjusted_mode.crtc_clock * 1000); hwdev->modeset(hwdev, &vm); diff --git a/drivers/gpu/drm/arm/malidp_hw.c b/drivers/gpu/drm/arm/malidp_hw.c index 488aedf..9f55130 100644 --- a/drivers/gpu/drm/arm/malidp_hw.c +++ b/drivers/gpu/drm/arm/malidp_hw.c @@ -83,7 +83,7 @@ static const struct malidp_layer malidp550_layers[] = { { DE_VIDEO1, MALIDP550_DE_LV1_BASE, MALIDP550_DE_LV1_PTR_BASE, MALIDP_DE_LV_STRIDE0 }, { DE_GRAPHICS1, MALIDP550_DE_LG_BASE, MALIDP550_DE_LG_PTR_BASE, MALIDP_DE_LG_STRIDE }, { DE_VIDEO2, MALIDP550_DE_LV2_BASE, MALIDP550_DE_LV2_PTR_BASE, MALIDP_DE_LV_STRIDE0 }, - { DE_SMART, MALIDP550_DE_LS_BASE, MALIDP550_DE_LS_PTR_BASE, 0 }, + { DE_SMART, MALIDP550_DE_LS_BASE, MALIDP550_DE_LS_PTR_BASE, MALIDP550_DE_LS_R1_STRIDE }, }; #define MALIDP_DE_DEFAULT_PREFETCH_START 5 diff --git a/drivers/gpu/drm/arm/malidp_planes.c b/drivers/gpu/drm/arm/malidp_planes.c index 414aada..d5aec08 100644 --- a/drivers/gpu/drm/arm/malidp_planes.c +++ b/drivers/gpu/drm/arm/malidp_planes.c @@ -37,6 +37,8 @@ #define LAYER_V_VAL(x) (((x) & 0x1fff) << 16) #define MALIDP_LAYER_COMP_SIZE 0x010 #define MALIDP_LAYER_OFFSET 0x014 +#define MALIDP550_LS_ENABLE 0x01c +#define MALIDP550_LS_R1_IN_SIZE 0x020 /* * This 4-entry look-up-table is used to determine the full 8-bit alpha value @@ -242,6 +244,11 @@ static void malidp_de_plane_update(struct drm_plane *plane, LAYER_V_VAL(plane->state->crtc_y), mp->layer->base + MALIDP_LAYER_OFFSET); + if (mp->layer->id == DE_SMART) + malidp_hw_write(mp->hwdev, + LAYER_H_VAL(src_w) | LAYER_V_VAL(src_h), + mp->layer->base + MALIDP550_LS_R1_IN_SIZE); + /* first clear the rotation bits */ val = malidp_hw_read(mp->hwdev, mp->layer->base + MALIDP_LAYER_CONTROL); val &= ~LAYER_ROT_MASK; @@ -330,9 +337,16 @@ int malidp_de_planes_init(struct drm_device *drm) plane->hwdev = malidp->dev; plane->layer = &map->layers[i]; - /* Skip the features which the SMART layer doesn't have */ - if (id == DE_SMART) + if (id == DE_SMART) { + /* + * Enable the first rectangle in the SMART layer to be + * able to use it as a drm plane. + */ + malidp_hw_write(malidp->dev, 1, + plane->layer->base + MALIDP550_LS_ENABLE); + /* Skip the features which the SMART layer doesn't have. */ continue; + } drm_plane_create_rotation_property(&plane->base, DRM_ROTATE_0, flags); malidp_hw_write(malidp->dev, MALIDP_ALPHA_LUT, diff --git a/drivers/gpu/drm/arm/malidp_regs.h b/drivers/gpu/drm/arm/malidp_regs.h index aff6d4a..b816067 100644 --- a/drivers/gpu/drm/arm/malidp_regs.h +++ b/drivers/gpu/drm/arm/malidp_regs.h @@ -84,6 +84,7 @@ /* Stride register offsets relative to Lx_BASE */ #define MALIDP_DE_LG_STRIDE 0x18 #define MALIDP_DE_LV_STRIDE0 0x18 +#define MALIDP550_DE_LS_R1_STRIDE 0x28 /* macros to set values into registers */ #define MALIDP_DE_H_FRONTPORCH(x) (((x) & 0xfff) << 0) diff --git a/drivers/gpu/drm/drm_fb_helper.c b/drivers/gpu/drm/drm_fb_helper.c index f6d4d97..324a688 100644 --- a/drivers/gpu/drm/drm_fb_helper.c +++ b/drivers/gpu/drm/drm_fb_helper.c @@ -1260,9 +1260,9 @@ int drm_fb_helper_check_var(struct fb_var_screeninfo *var, * to KMS, hence fail if different settings are requested. */ if (var->bits_per_pixel != fb->format->cpp[0] * 8 || - var->xres != fb->width || var->yres != fb->height || - var->xres_virtual != fb->width || var->yres_virtual != fb->height) { - DRM_DEBUG("fb userspace requested width/height/bpp different than current fb " + var->xres > fb->width || var->yres > fb->height || + var->xres_virtual > fb->width || var->yres_virtual > fb->height) { + DRM_DEBUG("fb requested width/height/bpp can't fit in current fb " "request %dx%d-%d (virtual %dx%d) > %dx%d-%d\n", var->xres, var->yres, var->bits_per_pixel, var->xres_virtual, var->yres_virtual, diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c index 130d7d5..b78d923 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c +++ b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c @@ -1311,15 +1311,15 @@ int etnaviv_gpu_submit(struct etnaviv_gpu *gpu, goto out_pm_put; } + mutex_lock(&gpu->lock); + fence = etnaviv_gpu_fence_alloc(gpu); if (!fence) { event_free(gpu, event); ret = -ENOMEM; - goto out_pm_put; + goto out_unlock; } - mutex_lock(&gpu->lock); - gpu->event[event].fence = fence; submit->fence = fence->seqno; gpu->active_fence = submit->fence; @@ -1357,6 +1357,7 @@ int etnaviv_gpu_submit(struct etnaviv_gpu *gpu, hangcheck_timer_reset(gpu); ret = 0; +out_unlock: mutex_unlock(&gpu->lock); out_pm_put: diff --git a/drivers/gpu/drm/exynos/exynos5433_drm_decon.c b/drivers/gpu/drm/exynos/exynos5433_drm_decon.c index 0fd6f7a..c0e8d33 100644 --- a/drivers/gpu/drm/exynos/exynos5433_drm_decon.c +++ b/drivers/gpu/drm/exynos/exynos5433_drm_decon.c @@ -68,6 +68,8 @@ struct decon_context { unsigned long flags; unsigned long out_type; int first_win; + spinlock_t vblank_lock; + u32 frame_id; }; static const uint32_t decon_formats[] = { @@ -103,7 +105,7 @@ static int decon_enable_vblank(struct exynos_drm_crtc *crtc) if (ctx->out_type & IFTYPE_I80) val |= VIDINTCON0_FRAMEDONE; else - val |= VIDINTCON0_INTFRMEN; + val |= VIDINTCON0_INTFRMEN | VIDINTCON0_FRAMESEL_FP; writel(val, ctx->addr + DECON_VIDINTCON0); } @@ -122,14 +124,56 @@ static void decon_disable_vblank(struct exynos_drm_crtc *crtc) writel(0, ctx->addr + DECON_VIDINTCON0); } +/* return number of starts/ends of frame transmissions since reset */ +static u32 decon_get_frame_count(struct decon_context *ctx, bool end) +{ + u32 frm, pfrm, status, cnt = 2; + + /* To get consistent result repeat read until frame id is stable. + * Usually the loop will be executed once, in rare cases when the loop + * is executed at frame change time 2nd pass will be needed. + */ + frm = readl(ctx->addr + DECON_CRFMID); + do { + status = readl(ctx->addr + DECON_VIDCON1); + pfrm = frm; + frm = readl(ctx->addr + DECON_CRFMID); + } while (frm != pfrm && --cnt); + + /* CRFMID is incremented on BPORCH in case of I80 and on VSYNC in case + * of RGB, it should be taken into account. + */ + if (!frm) + return 0; + + switch (status & (VIDCON1_VSTATUS_MASK | VIDCON1_I80_ACTIVE)) { + case VIDCON1_VSTATUS_VS: + if (!(ctx->out_type & IFTYPE_I80)) + --frm; + break; + case VIDCON1_VSTATUS_BP: + --frm; + break; + case VIDCON1_I80_ACTIVE: + case VIDCON1_VSTATUS_AC: + if (end) + --frm; + break; + default: + break; + } + + return frm; +} + static void decon_setup_trigger(struct decon_context *ctx) { if (!(ctx->out_type & (IFTYPE_I80 | I80_HW_TRG))) return; if (!(ctx->out_type & I80_HW_TRG)) { - writel(TRIGCON_TE_AUTO_MASK | TRIGCON_SWTRIGEN - | TRIGCON_TE_AUTO_MASK | TRIGCON_SWTRIGEN, + writel(TRIGCON_TRIGEN_PER_F | TRIGCON_TRIGEN_F | + TRIGCON_TE_AUTO_MASK | TRIGCON_SWTRIGEN, ctx->addr + DECON_TRIGCON); return; } @@ -365,11 +409,14 @@ static void decon_disable_plane(struct exynos_drm_crtc *crtc, static void decon_atomic_flush(struct exynos_drm_crtc *crtc) { struct decon_context *ctx = crtc->ctx; + unsigned long flags; int i; if (test_bit(BIT_SUSPENDED, &ctx->flags)) return; + spin_lock_irqsave(&ctx->vblank_lock, flags); + for (i = ctx->first_win; i < WINDOWS_NR; i++) decon_shadow_protect_win(ctx, i, false); @@ -378,11 +425,18 @@ static void decon_atomic_flush(struct exynos_drm_crtc *crtc) if (ctx->out_type & IFTYPE_I80) set_bit(BIT_WIN_UPDATED, &ctx->flags); + + ctx->frame_id = decon_get_frame_count(ctx, true); + + exynos_crtc_handle_event(crtc); + + spin_unlock_irqrestore(&ctx->vblank_lock, flags); } static void decon_swreset(struct decon_context *ctx) { unsigned int tries; + unsigned long flags; writel(0, ctx->addr + DECON_VIDCON0); for (tries = 2000; tries; --tries) { @@ -400,6 +454,10 @@ static void decon_swreset(struct decon_context *ctx) WARN(tries == 0, "failed to software reset DECON\n"); + spin_lock_irqsave(&ctx->vblank_lock, flags); + ctx->frame_id = 0; + spin_unlock_irqrestore(&ctx->vblank_lock, flags); + if (!(ctx->out_type & IFTYPE_HDMI)) return; @@ -578,6 +636,24 @@ static const struct component_ops decon_component_ops = { .unbind = decon_unbind, }; +static void decon_handle_vblank(struct decon_context *ctx) +{ + u32 frm; + + spin_lock(&ctx->vblank_lock); + + frm = decon_get_frame_count(ctx, true); + + if (frm != ctx->frame_id) { + /* handle only if incremented, take care of wrap-around */ + if ((s32)(frm - ctx->frame_id) > 0) + drm_crtc_handle_vblank(&ctx->crtc->base); + ctx->frame_id = frm; + } + + spin_unlock(&ctx->vblank_lock); +} + static irqreturn_t decon_irq_handler(int irq, void *dev_id) { struct decon_context *ctx = dev_id; @@ -598,7 +674,7 @@ static irqreturn_t decon_irq_handler(int irq, void *dev_id) (VIDOUT_INTERLACE_EN_F | VIDOUT_INTERLACE_FIELD_F)) return IRQ_HANDLED; } - drm_crtc_handle_vblank(&ctx->crtc->base); + decon_handle_vblank(ctx); } out: @@ -671,6 +747,7 @@ static int exynos5433_decon_probe(struct platform_device *pdev) __set_bit(BIT_SUSPENDED, &ctx->flags); ctx->dev = dev; ctx->out_type = (unsigned long)of_device_get_match_data(dev); + spin_lock_init(&ctx->vblank_lock); if (ctx->out_type & IFTYPE_HDMI) { ctx->first_win = 1; @@ -678,7 +755,7 @@ static int exynos5433_decon_probe(struct platform_device *pdev) ctx->out_type |= IFTYPE_I80; } - if (ctx->out_type | I80_HW_TRG) { + if (ctx->out_type & I80_HW_TRG) { ctx->sysreg = syscon_regmap_lookup_by_phandle(dev->of_node, "samsung,disp-sysreg"); if (IS_ERR(ctx->sysreg)) { diff --git a/drivers/gpu/drm/exynos/exynos7_drm_decon.c b/drivers/gpu/drm/exynos/exynos7_drm_decon.c index f9ab19e..4881180 100644 --- a/drivers/gpu/drm/exynos/exynos7_drm_decon.c +++ b/drivers/gpu/drm/exynos/exynos7_drm_decon.c @@ -526,6 +526,7 @@ static void decon_atomic_flush(struct exynos_drm_crtc *crtc) for (i = 0; i < WINDOWS_NR; i++) decon_shadow_protect_win(ctx, i, false); + exynos_crtc_handle_event(crtc); } static void decon_init(struct decon_context *ctx) diff --git a/drivers/gpu/drm/exynos/exynos_drm_crtc.c b/drivers/gpu/drm/exynos/exynos_drm_crtc.c index 5367b66..c65f450 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_crtc.c +++ b/drivers/gpu/drm/exynos/exynos_drm_crtc.c @@ -85,16 +85,28 @@ static void exynos_crtc_atomic_flush(struct drm_crtc *crtc, struct drm_crtc_state *old_crtc_state) { struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc); - struct drm_pending_vblank_event *event; - unsigned long flags; if (exynos_crtc->ops->atomic_flush) exynos_crtc->ops->atomic_flush(exynos_crtc); +} + +static const struct drm_crtc_helper_funcs exynos_crtc_helper_funcs = { + .enable = exynos_drm_crtc_enable, + .disable = exynos_drm_crtc_disable, + .mode_set_nofb = exynos_drm_crtc_mode_set_nofb, + .atomic_check = exynos_crtc_atomic_check, + .atomic_begin = exynos_crtc_atomic_begin, + .atomic_flush = exynos_crtc_atomic_flush, +}; + +void exynos_crtc_handle_event(struct exynos_drm_crtc *exynos_crtc) +{ + struct drm_crtc *crtc = &exynos_crtc->base; + struct drm_pending_vblank_event *event = crtc->state->event; + unsigned long flags; - event = crtc->state->event; if (event) { crtc->state->event = NULL; - spin_lock_irqsave(&crtc->dev->event_lock, flags); if (drm_crtc_vblank_get(crtc) == 0) drm_crtc_arm_vblank_event(crtc, event); @@ -105,15 +117,6 @@ static void exynos_crtc_atomic_flush(struct drm_crtc *crtc, } -static const struct drm_crtc_helper_funcs exynos_crtc_helper_funcs = { - .enable = exynos_drm_crtc_enable, - .disable = exynos_drm_crtc_disable, - .mode_set_nofb = exynos_drm_crtc_mode_set_nofb, - .atomic_check = exynos_crtc_atomic_check, - .atomic_begin = exynos_crtc_atomic_begin, - .atomic_flush = exynos_crtc_atomic_flush, -}; - static void exynos_drm_crtc_destroy(struct drm_crtc *crtc) { struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc); diff --git a/drivers/gpu/drm/exynos/exynos_drm_crtc.h b/drivers/gpu/drm/exynos/exynos_drm_crtc.h index 6a581a8..abd5d6c 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_crtc.h +++ b/drivers/gpu/drm/exynos/exynos_drm_crtc.h @@ -40,4 +40,6 @@ int exynos_drm_crtc_get_pipe_from_type(struct drm_device *drm_dev, */ void exynos_drm_crtc_te_handler(struct drm_crtc *crtc); +void exynos_crtc_handle_event(struct exynos_drm_crtc *exynos_crtc); + #endif diff --git a/drivers/gpu/drm/exynos/exynos_drm_dsi.c b/drivers/gpu/drm/exynos/exynos_drm_dsi.c index 812e2ec..d7ef263 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_dsi.c +++ b/drivers/gpu/drm/exynos/exynos_drm_dsi.c @@ -86,7 +86,7 @@ #define DSIM_SYNC_INFORM (1 << 27) #define DSIM_EOT_DISABLE (1 << 28) #define DSIM_MFLUSH_VS (1 << 29) -/* This flag is valid only for exynos3250/3472/4415/5260/5430 */ +/* This flag is valid only for exynos3250/3472/5260/5430 */ #define DSIM_CLKLANE_STOP (1 << 30) /* DSIM_ESCMODE */ @@ -473,17 +473,6 @@ static const struct exynos_dsi_driver_data exynos4_dsi_driver_data = { .reg_values = reg_values, }; -static const struct exynos_dsi_driver_data exynos4415_dsi_driver_data = { - .reg_ofs = exynos_reg_ofs, - .plltmr_reg = 0x58, - .has_clklane_stop = 1, - .num_clks = 2, - .max_freq = 1000, - .wait_for_reset = 1, - .num_bits_resol = 11, - .reg_values = reg_values, -}; - static const struct exynos_dsi_driver_data exynos5_dsi_driver_data = { .reg_ofs = exynos_reg_ofs, .plltmr_reg = 0x58, @@ -521,8 +510,6 @@ static const struct of_device_id exynos_dsi_of_match[] = { .data = &exynos3_dsi_driver_data }, { .compatible = "samsung,exynos4210-mipi-dsi", .data = &exynos4_dsi_driver_data }, - { .compatible = "samsung,exynos4415-mipi-dsi", - .data = &exynos4415_dsi_driver_data }, { .compatible = "samsung,exynos5410-mipi-dsi", .data = &exynos5_dsi_driver_data }, { .compatible = "samsung,exynos5422-mipi-dsi", @@ -979,7 +966,7 @@ static void exynos_dsi_send_to_fifo(struct exynos_dsi *dsi, bool first = !xfer->tx_done; u32 reg; - dev_dbg(dev, "< xfer %p: tx len %u, done %u, rx len %u, done %u\n", + dev_dbg(dev, "< xfer %pK: tx len %u, done %u, rx len %u, done %u\n", xfer, length, xfer->tx_done, xfer->rx_len, xfer->rx_done); if (length > DSI_TX_FIFO_SIZE) @@ -1177,7 +1164,7 @@ static bool exynos_dsi_transfer_finish(struct exynos_dsi *dsi) spin_unlock_irqrestore(&dsi->transfer_lock, flags); dev_dbg(dsi->dev, - "> xfer %p, tx_len %zu, tx_done %u, rx_len %u, rx_done %u\n", + "> xfer %pK, tx_len %zu, tx_done %u, rx_len %u, rx_done %u\n", xfer, xfer->packet.payload_length, xfer->tx_done, xfer->rx_len, xfer->rx_done); @@ -1348,9 +1335,12 @@ static int exynos_dsi_register_te_irq(struct exynos_dsi *dsi) int te_gpio_irq; dsi->te_gpio = of_get_named_gpio(dsi->panel_node, "te-gpios", 0); + if (dsi->te_gpio == -ENOENT) + return 0; + if (!gpio_is_valid(dsi->te_gpio)) { - dev_err(dsi->dev, "no te-gpios specified\n"); ret = dsi->te_gpio; + dev_err(dsi->dev, "cannot get te-gpios, %d\n", ret); goto out; } diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimc.c b/drivers/gpu/drm/exynos/exynos_drm_fimc.c index 95871577..5b18b5c 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_fimc.c +++ b/drivers/gpu/drm/exynos/exynos_drm_fimc.c @@ -1695,7 +1695,7 @@ static int fimc_probe(struct platform_device *pdev) goto err_put_clk; } - DRM_DEBUG_KMS("id[%d]ippdrv[%p]\n", ctx->id, ippdrv); + DRM_DEBUG_KMS("id[%d]ippdrv[%pK]\n", ctx->id, ippdrv); spin_lock_init(&ctx->lock); platform_set_drvdata(pdev, ctx); diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimd.c b/drivers/gpu/drm/exynos/exynos_drm_fimd.c index a9fa444..3f04d72 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_fimd.c +++ b/drivers/gpu/drm/exynos/exynos_drm_fimd.c @@ -71,10 +71,10 @@ #define TRIGCON 0x1A4 #define TRGMODE_ENABLE (1 << 0) #define SWTRGCMD_ENABLE (1 << 1) -/* Exynos3250, 3472, 4415, 5260 5410, 5420 and 5422 only supported. */ +/* Exynos3250, 3472, 5260 5410, 5420 and 5422 only supported. */ #define HWTRGEN_ENABLE (1 << 3) #define HWTRGMASK_ENABLE (1 << 4) -/* Exynos3250, 3472, 4415, 5260, 5420 and 5422 only supported. */ +/* Exynos3250, 3472, 5260, 5420 and 5422 only supported. */ #define HWTRIGEN_PER_ENABLE (1 << 31) /* display mode change control register except exynos4 */ @@ -138,18 +138,6 @@ static struct fimd_driver_data exynos4_fimd_driver_data = { .has_vtsel = 1, }; -static struct fimd_driver_data exynos4415_fimd_driver_data = { - .timing_base = 0x20000, - .lcdblk_offset = 0x210, - .lcdblk_vt_shift = 10, - .lcdblk_bypass_shift = 1, - .trg_type = I80_HW_TRG, - .has_shadowcon = 1, - .has_vidoutcon = 1, - .has_vtsel = 1, - .has_trigger_per_te = 1, -}; - static struct fimd_driver_data exynos5_fimd_driver_data = { .timing_base = 0x20000, .lcdblk_offset = 0x214, @@ -210,8 +198,6 @@ static const struct of_device_id fimd_driver_dt_match[] = { .data = &exynos3_fimd_driver_data }, { .compatible = "samsung,exynos4210-fimd", .data = &exynos4_fimd_driver_data }, - { .compatible = "samsung,exynos4415-fimd", - .data = &exynos4415_fimd_driver_data }, { .compatible = "samsung,exynos5250-fimd", .data = &exynos5_fimd_driver_data }, { .compatible = "samsung,exynos5420-fimd", @@ -257,7 +243,7 @@ static int fimd_enable_vblank(struct exynos_drm_crtc *crtc) val |= VIDINTCON0_INT_FRAME; val &= ~VIDINTCON0_FRAMESEL0_MASK; - val |= VIDINTCON0_FRAMESEL0_VSYNC; + val |= VIDINTCON0_FRAMESEL0_FRONTPORCH; val &= ~VIDINTCON0_FRAMESEL1_MASK; val |= VIDINTCON0_FRAMESEL1_NONE; } @@ -723,6 +709,8 @@ static void fimd_atomic_flush(struct exynos_drm_crtc *crtc) for (i = 0; i < WINDOWS_NR; i++) fimd_shadow_protect_win(ctx, i, false); + + exynos_crtc_handle_event(crtc); } static void fimd_update_plane(struct exynos_drm_crtc *crtc, diff --git a/drivers/gpu/drm/exynos/exynos_drm_gem.c b/drivers/gpu/drm/exynos/exynos_drm_gem.c index 4c28f7f..55a1579 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_gem.c +++ b/drivers/gpu/drm/exynos/exynos_drm_gem.c @@ -218,7 +218,7 @@ static struct exynos_drm_gem *exynos_drm_gem_init(struct drm_device *dev, return ERR_PTR(ret); } - DRM_DEBUG_KMS("created file object = %p\n", obj->filp); + DRM_DEBUG_KMS("created file object = %pK\n", obj->filp); return exynos_gem; } diff --git a/drivers/gpu/drm/exynos/exynos_drm_gsc.c b/drivers/gpu/drm/exynos/exynos_drm_gsc.c index bef5798..0506b2b 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_gsc.c +++ b/drivers/gpu/drm/exynos/exynos_drm_gsc.c @@ -1723,7 +1723,7 @@ static int gsc_probe(struct platform_device *pdev) return ret; } - DRM_DEBUG_KMS("id[%d]ippdrv[%p]\n", ctx->id, ippdrv); + DRM_DEBUG_KMS("id[%d]ippdrv[%pK]\n", ctx->id, ippdrv); mutex_init(&ctx->lock); platform_set_drvdata(pdev, ctx); diff --git a/drivers/gpu/drm/exynos/exynos_drm_ipp.c b/drivers/gpu/drm/exynos/exynos_drm_ipp.c index 9c84ee7..3edda18 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_ipp.c +++ b/drivers/gpu/drm/exynos/exynos_drm_ipp.c @@ -208,7 +208,7 @@ static struct exynos_drm_ippdrv *ipp_find_drv_by_handle(u32 prop_id) * e.g PAUSE state, queue buf, command control. */ list_for_each_entry(ippdrv, &exynos_drm_ippdrv_list, drv_list) { - DRM_DEBUG_KMS("count[%d]ippdrv[%p]\n", count++, ippdrv); + DRM_DEBUG_KMS("count[%d]ippdrv[%pK]\n", count++, ippdrv); mutex_lock(&ippdrv->cmd_lock); list_for_each_entry(c_node, &ippdrv->cmd_list, list) { @@ -388,7 +388,7 @@ int exynos_drm_ipp_set_property(struct drm_device *drm_dev, void *data, } property->prop_id = ret; - DRM_DEBUG_KMS("created prop_id[%d]cmd[%d]ippdrv[%p]\n", + DRM_DEBUG_KMS("created prop_id[%d]cmd[%d]ippdrv[%pK]\n", property->prop_id, property->cmd, ippdrv); /* stored property information and ippdrv in private data */ @@ -518,7 +518,7 @@ static int ipp_put_mem_node(struct drm_device *drm_dev, { int i; - DRM_DEBUG_KMS("node[%p]\n", m_node); + DRM_DEBUG_KMS("node[%pK]\n", m_node); if (!m_node) { DRM_ERROR("invalid dequeue node.\n"); @@ -562,7 +562,7 @@ static struct drm_exynos_ipp_mem_node m_node->buf_id = qbuf->buf_id; INIT_LIST_HEAD(&m_node->list); - DRM_DEBUG_KMS("m_node[%p]ops_id[%d]\n", m_node, qbuf->ops_id); + DRM_DEBUG_KMS("m_node[%pK]ops_id[%d]\n", m_node, qbuf->ops_id); DRM_DEBUG_KMS("prop_id[%d]buf_id[%d]\n", qbuf->prop_id, m_node->buf_id); for_each_ipp_planar(i) { @@ -659,7 +659,7 @@ static void ipp_put_event(struct drm_exynos_ipp_cmd_node *c_node, mutex_lock(&c_node->event_lock); list_for_each_entry_safe(e, te, &c_node->event_list, base.link) { - DRM_DEBUG_KMS("count[%d]e[%p]\n", count++, e); + DRM_DEBUG_KMS("count[%d]e[%pK]\n", count++, e); /* * qbuf == NULL condition means all event deletion. @@ -750,7 +750,7 @@ static struct drm_exynos_ipp_mem_node /* find memory node from memory list */ list_for_each_entry(m_node, head, list) { - DRM_DEBUG_KMS("count[%d]m_node[%p]\n", count++, m_node); + DRM_DEBUG_KMS("count[%d]m_node[%pK]\n", count++, m_node); /* compare buffer id */ if (m_node->buf_id == qbuf->buf_id) @@ -767,7 +767,7 @@ static int ipp_set_mem_node(struct exynos_drm_ippdrv *ippdrv, struct exynos_drm_ipp_ops *ops = NULL; int ret = 0; - DRM_DEBUG_KMS("node[%p]\n", m_node); + DRM_DEBUG_KMS("node[%pK]\n", m_node); if (!m_node) { DRM_ERROR("invalid queue node.\n"); @@ -1232,7 +1232,7 @@ static int ipp_start_property(struct exynos_drm_ippdrv *ippdrv, m_node = list_first_entry(head, struct drm_exynos_ipp_mem_node, list); - DRM_DEBUG_KMS("m_node[%p]\n", m_node); + DRM_DEBUG_KMS("m_node[%pK]\n", m_node); ret = ipp_set_mem_node(ippdrv, c_node, m_node); if (ret) { @@ -1601,7 +1601,7 @@ static int ipp_subdrv_probe(struct drm_device *drm_dev, struct device *dev) } ippdrv->prop_list.ipp_id = ret; - DRM_DEBUG_KMS("count[%d]ippdrv[%p]ipp_id[%d]\n", + DRM_DEBUG_KMS("count[%d]ippdrv[%pK]ipp_id[%d]\n", count++, ippdrv, ret); /* store parent device for node */ @@ -1659,7 +1659,7 @@ static int ipp_subdrv_open(struct drm_device *drm_dev, struct device *dev, file_priv->ipp_dev = dev; - DRM_DEBUG_KMS("done priv[%p]\n", dev); + DRM_DEBUG_KMS("done priv[%pK]\n", dev); return 0; } @@ -1676,7 +1676,7 @@ static void ipp_subdrv_close(struct drm_device *drm_dev, struct device *dev, mutex_lock(&ippdrv->cmd_lock); list_for_each_entry_safe(c_node, tc_node, &ippdrv->cmd_list, list) { - DRM_DEBUG_KMS("count[%d]ippdrv[%p]\n", + DRM_DEBUG_KMS("count[%d]ippdrv[%pK]\n", count++, ippdrv); if (c_node->filp == file) { diff --git a/drivers/gpu/drm/exynos/exynos_drm_rotator.c b/drivers/gpu/drm/exynos/exynos_drm_rotator.c index 6591e40..79282a8 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_rotator.c +++ b/drivers/gpu/drm/exynos/exynos_drm_rotator.c @@ -748,7 +748,7 @@ static int rotator_probe(struct platform_device *pdev) goto err_ippdrv_register; } - DRM_DEBUG_KMS("ippdrv[%p]\n", ippdrv); + DRM_DEBUG_KMS("ippdrv[%pK]\n", ippdrv); platform_set_drvdata(pdev, rot); diff --git a/drivers/gpu/drm/exynos/exynos_drm_vidi.c b/drivers/gpu/drm/exynos/exynos_drm_vidi.c index 57fe514..5d9a62a 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_vidi.c +++ b/drivers/gpu/drm/exynos/exynos_drm_vidi.c @@ -170,6 +170,7 @@ static const struct exynos_drm_crtc_ops vidi_crtc_ops = { .enable_vblank = vidi_enable_vblank, .disable_vblank = vidi_disable_vblank, .update_plane = vidi_update_plane, + .atomic_flush = exynos_crtc_handle_event, }; static void vidi_fake_vblank_timer(unsigned long arg) diff --git a/drivers/gpu/drm/exynos/exynos_mixer.c b/drivers/gpu/drm/exynos/exynos_mixer.c index 72143ac..25edb63 100644 --- a/drivers/gpu/drm/exynos/exynos_mixer.c +++ b/drivers/gpu/drm/exynos/exynos_mixer.c @@ -1012,6 +1012,7 @@ static void mixer_atomic_flush(struct exynos_drm_crtc *crtc) return; mixer_vsync_set_update(mixer_ctx, true); + exynos_crtc_handle_event(crtc); } static void mixer_enable(struct exynos_drm_crtc *crtc) diff --git a/drivers/gpu/drm/i915/gvt/aperture_gm.c b/drivers/gpu/drm/i915/gvt/aperture_gm.c index 3b6caac..325618d 100644 --- a/drivers/gpu/drm/i915/gvt/aperture_gm.c +++ b/drivers/gpu/drm/i915/gvt/aperture_gm.c @@ -242,7 +242,7 @@ static int alloc_resource(struct intel_vgpu *vgpu, const char *item; if (!param->low_gm_sz || !param->high_gm_sz || !param->fence_sz) { - gvt_err("Invalid vGPU creation params\n"); + gvt_vgpu_err("Invalid vGPU creation params\n"); return -EINVAL; } @@ -285,9 +285,9 @@ static int alloc_resource(struct intel_vgpu *vgpu, return 0; no_enough_resource: - gvt_err("vgpu%d: fail to allocate resource %s\n", vgpu->id, item); - gvt_err("vgpu%d: request %luMB avail %luMB max %luMB taken %luMB\n", - vgpu->id, BYTES_TO_MB(request), BYTES_TO_MB(avail), + gvt_vgpu_err("fail to allocate resource %s\n", item); + gvt_vgpu_err("request %luMB avail %luMB max %luMB taken %luMB\n", + BYTES_TO_MB(request), BYTES_TO_MB(avail), BYTES_TO_MB(max), BYTES_TO_MB(taken)); return -ENOSPC; } diff --git a/drivers/gpu/drm/i915/gvt/cfg_space.c b/drivers/gpu/drm/i915/gvt/cfg_space.c index b7d7721..40af17e 100644 --- a/drivers/gpu/drm/i915/gvt/cfg_space.c +++ b/drivers/gpu/drm/i915/gvt/cfg_space.c @@ -285,9 +285,6 @@ int intel_vgpu_emulate_cfg_write(struct intel_vgpu *vgpu, unsigned int offset, { int ret; - if (vgpu->failsafe) - return 0; - if (WARN_ON(bytes > 4)) return -EINVAL; diff --git a/drivers/gpu/drm/i915/gvt/cmd_parser.c b/drivers/gpu/drm/i915/gvt/cmd_parser.c index 7ae6e2b..2b92cc8 100644 --- a/drivers/gpu/drm/i915/gvt/cmd_parser.c +++ b/drivers/gpu/drm/i915/gvt/cmd_parser.c @@ -817,6 +817,25 @@ static bool is_shadowed_mmio(unsigned int offset) return ret; } +static inline bool is_force_nonpriv_mmio(unsigned int offset) +{ + return (offset >= 0x24d0 && offset < 0x2500); +} + +static int force_nonpriv_reg_handler(struct parser_exec_state *s, + unsigned int offset, unsigned int index) +{ + struct intel_gvt *gvt = s->vgpu->gvt; + unsigned int data = cmd_val(s, index + 1); + + if (!intel_gvt_in_force_nonpriv_whitelist(gvt, data)) { + gvt_err("Unexpected forcenonpriv 0x%x LRI write, value=0x%x\n", + offset, data); + return -EINVAL; + } + return 0; +} + static int cmd_reg_handler(struct parser_exec_state *s, unsigned int offset, unsigned int index, char *cmd) { @@ -824,23 +843,26 @@ static int cmd_reg_handler(struct parser_exec_state *s, struct intel_gvt *gvt = vgpu->gvt; if (offset + 4 > gvt->device_info.mmio_size) { - gvt_err("%s access to (%x) outside of MMIO range\n", + gvt_vgpu_err("%s access to (%x) outside of MMIO range\n", cmd, offset); return -EINVAL; } if (!intel_gvt_mmio_is_cmd_access(gvt, offset)) { - gvt_err("vgpu%d: %s access to non-render register (%x)\n", - s->vgpu->id, cmd, offset); + gvt_vgpu_err("%s access to non-render register (%x)\n", + cmd, offset); return 0; } if (is_shadowed_mmio(offset)) { - gvt_err("vgpu%d: found access of shadowed MMIO %x\n", - s->vgpu->id, offset); + gvt_vgpu_err("found access of shadowed MMIO %x\n", offset); return 0; } + if (is_force_nonpriv_mmio(offset) && + force_nonpriv_reg_handler(s, offset, index)) + return -EINVAL; + if (offset == i915_mmio_reg_offset(DERRMR) || offset == i915_mmio_reg_offset(FORCEWAKE_MT)) { /* Writing to HW VGT_PVINFO_PAGE offset will be discarded */ @@ -1008,7 +1030,7 @@ static int cmd_handler_pipe_control(struct parser_exec_state *s) ret = cmd_reg_handler(s, 0x2358, 1, "pipe_ctrl"); else if (post_sync == 1) { /* check ggtt*/ - if ((cmd_val(s, 2) & (1 << 2))) { + if ((cmd_val(s, 1) & PIPE_CONTROL_GLOBAL_GTT_IVB)) { gma = cmd_val(s, 2) & GENMASK(31, 3); if (gmadr_bytes == 8) gma |= (cmd_gma_hi(s, 3)) << 32; @@ -1129,6 +1151,7 @@ static int skl_decode_mi_display_flip(struct parser_exec_state *s, struct mi_display_flip_command_info *info) { struct drm_i915_private *dev_priv = s->vgpu->gvt->dev_priv; + struct intel_vgpu *vgpu = s->vgpu; u32 dword0 = cmd_val(s, 0); u32 dword1 = cmd_val(s, 1); u32 dword2 = cmd_val(s, 2); @@ -1167,7 +1190,7 @@ static int skl_decode_mi_display_flip(struct parser_exec_state *s, break; default: - gvt_err("unknown plane code %d\n", plane); + gvt_vgpu_err("unknown plane code %d\n", plane); return -EINVAL; } @@ -1274,25 +1297,26 @@ static int update_plane_mmio_from_mi_display_flip( static int cmd_handler_mi_display_flip(struct parser_exec_state *s) { struct mi_display_flip_command_info info; + struct intel_vgpu *vgpu = s->vgpu; int ret; int i; int len = cmd_length(s); ret = decode_mi_display_flip(s, &info); if (ret) { - gvt_err("fail to decode MI display flip command\n"); + gvt_vgpu_err("fail to decode MI display flip command\n"); return ret; } ret = check_mi_display_flip(s, &info); if (ret) { - gvt_err("invalid MI display flip command\n"); + gvt_vgpu_err("invalid MI display flip command\n"); return ret; } ret = update_plane_mmio_from_mi_display_flip(s, &info); if (ret) { - gvt_err("fail to update plane mmio\n"); + gvt_vgpu_err("fail to update plane mmio\n"); return ret; } @@ -1350,7 +1374,8 @@ static inline int cmd_address_audit(struct parser_exec_state *s, int ret; if (op_size > max_surface_size) { - gvt_err("command address audit fail name %s\n", s->info->name); + gvt_vgpu_err("command address audit fail name %s\n", + s->info->name); return -EINVAL; } @@ -1367,7 +1392,7 @@ static inline int cmd_address_audit(struct parser_exec_state *s, } return 0; err: - gvt_err("cmd_parser: Malicious %s detected, addr=0x%lx, len=%d!\n", + gvt_vgpu_err("cmd_parser: Malicious %s detected, addr=0x%lx, len=%d!\n", s->info->name, guest_gma, op_size); pr_err("cmd dump: "); @@ -1412,8 +1437,10 @@ static int cmd_handler_mi_store_data_imm(struct parser_exec_state *s) static inline int unexpected_cmd(struct parser_exec_state *s) { - gvt_err("vgpu%d: Unexpected %s in command buffer!\n", - s->vgpu->id, s->info->name); + struct intel_vgpu *vgpu = s->vgpu; + + gvt_vgpu_err("Unexpected %s in command buffer!\n", s->info->name); + return -EINVAL; } @@ -1516,7 +1543,7 @@ static int copy_gma_to_hva(struct intel_vgpu *vgpu, struct intel_vgpu_mm *mm, while (gma != end_gma) { gpa = intel_vgpu_gma_to_gpa(mm, gma); if (gpa == INTEL_GVT_INVALID_ADDR) { - gvt_err("invalid gma address: %lx\n", gma); + gvt_vgpu_err("invalid gma address: %lx\n", gma); return -EFAULT; } @@ -1557,6 +1584,7 @@ static uint32_t find_bb_size(struct parser_exec_state *s) uint32_t bb_size = 0; uint32_t cmd_len = 0; bool met_bb_end = false; + struct intel_vgpu *vgpu = s->vgpu; u32 cmd; /* get the start gm address of the batch buffer */ @@ -1565,7 +1593,7 @@ static uint32_t find_bb_size(struct parser_exec_state *s) info = get_cmd_info(s->vgpu->gvt, cmd, s->ring_id); if (info == NULL) { - gvt_err("unknown cmd 0x%x, opcode=0x%x\n", + gvt_vgpu_err("unknown cmd 0x%x, opcode=0x%x\n", cmd, get_opcode(cmd, s->ring_id)); return -EINVAL; } @@ -1574,7 +1602,7 @@ static uint32_t find_bb_size(struct parser_exec_state *s) gma, gma + 4, &cmd); info = get_cmd_info(s->vgpu->gvt, cmd, s->ring_id); if (info == NULL) { - gvt_err("unknown cmd 0x%x, opcode=0x%x\n", + gvt_vgpu_err("unknown cmd 0x%x, opcode=0x%x\n", cmd, get_opcode(cmd, s->ring_id)); return -EINVAL; } @@ -1599,6 +1627,7 @@ static uint32_t find_bb_size(struct parser_exec_state *s) static int perform_bb_shadow(struct parser_exec_state *s) { struct intel_shadow_bb_entry *entry_obj; + struct intel_vgpu *vgpu = s->vgpu; unsigned long gma = 0; uint32_t bb_size; void *dst = NULL; @@ -1633,7 +1662,7 @@ static int perform_bb_shadow(struct parser_exec_state *s) ret = i915_gem_object_set_to_cpu_domain(entry_obj->obj, false); if (ret) { - gvt_err("failed to set shadow batch to CPU\n"); + gvt_vgpu_err("failed to set shadow batch to CPU\n"); goto unmap_src; } @@ -1645,7 +1674,7 @@ static int perform_bb_shadow(struct parser_exec_state *s) gma, gma + bb_size, dst); if (ret) { - gvt_err("fail to copy guest ring buffer\n"); + gvt_vgpu_err("fail to copy guest ring buffer\n"); goto unmap_src; } @@ -1676,15 +1705,16 @@ static int cmd_handler_mi_batch_buffer_start(struct parser_exec_state *s) { bool second_level; int ret = 0; + struct intel_vgpu *vgpu = s->vgpu; if (s->buf_type == BATCH_BUFFER_2ND_LEVEL) { - gvt_err("Found MI_BATCH_BUFFER_START in 2nd level BB\n"); + gvt_vgpu_err("Found MI_BATCH_BUFFER_START in 2nd level BB\n"); return -EINVAL; } second_level = BATCH_BUFFER_2ND_LEVEL_BIT(cmd_val(s, 0)) == 1; if (second_level && (s->buf_type != BATCH_BUFFER_INSTRUCTION)) { - gvt_err("Jumping to 2nd level BB from RB is not allowed\n"); + gvt_vgpu_err("Jumping to 2nd level BB from RB is not allowed\n"); return -EINVAL; } @@ -1702,7 +1732,7 @@ static int cmd_handler_mi_batch_buffer_start(struct parser_exec_state *s) if (batch_buffer_needs_scan(s)) { ret = perform_bb_shadow(s); if (ret < 0) - gvt_err("invalid shadow batch buffer\n"); + gvt_vgpu_err("invalid shadow batch buffer\n"); } else { /* emulate a batch buffer end to do return right */ ret = cmd_handler_mi_batch_buffer_end(s); @@ -2429,6 +2459,7 @@ static int cmd_parser_exec(struct parser_exec_state *s) int ret = 0; cycles_t t0, t1, t2; struct parser_exec_state s_before_advance_custom; + struct intel_vgpu *vgpu = s->vgpu; t0 = get_cycles(); @@ -2436,7 +2467,7 @@ static int cmd_parser_exec(struct parser_exec_state *s) info = get_cmd_info(s->vgpu->gvt, cmd, s->ring_id); if (info == NULL) { - gvt_err("unknown cmd 0x%x, opcode=0x%x\n", + gvt_vgpu_err("unknown cmd 0x%x, opcode=0x%x\n", cmd, get_opcode(cmd, s->ring_id)); return -EINVAL; } @@ -2452,7 +2483,7 @@ static int cmd_parser_exec(struct parser_exec_state *s) if (info->handler) { ret = info->handler(s); if (ret < 0) { - gvt_err("%s handler error\n", info->name); + gvt_vgpu_err("%s handler error\n", info->name); return ret; } } @@ -2463,7 +2494,7 @@ static int cmd_parser_exec(struct parser_exec_state *s) if (!(info->flag & F_IP_ADVANCE_CUSTOM)) { ret = cmd_advance_default(s); if (ret) { - gvt_err("%s IP advance error\n", info->name); + gvt_vgpu_err("%s IP advance error\n", info->name); return ret; } } @@ -2486,6 +2517,7 @@ static int command_scan(struct parser_exec_state *s, unsigned long gma_head, gma_tail, gma_bottom; int ret = 0; + struct intel_vgpu *vgpu = s->vgpu; gma_head = rb_start + rb_head; gma_tail = rb_start + rb_tail; @@ -2497,7 +2529,7 @@ static int command_scan(struct parser_exec_state *s, if (s->buf_type == RING_BUFFER_INSTRUCTION) { if (!(s->ip_gma >= rb_start) || !(s->ip_gma < gma_bottom)) { - gvt_err("ip_gma %lx out of ring scope." + gvt_vgpu_err("ip_gma %lx out of ring scope." "(base:0x%lx, bottom: 0x%lx)\n", s->ip_gma, rb_start, gma_bottom); @@ -2505,7 +2537,7 @@ static int command_scan(struct parser_exec_state *s, return -EINVAL; } if (gma_out_of_range(s->ip_gma, gma_head, gma_tail)) { - gvt_err("ip_gma %lx out of range." + gvt_vgpu_err("ip_gma %lx out of range." "base 0x%lx head 0x%lx tail 0x%lx\n", s->ip_gma, rb_start, rb_head, rb_tail); @@ -2515,7 +2547,7 @@ static int command_scan(struct parser_exec_state *s, } ret = cmd_parser_exec(s); if (ret) { - gvt_err("cmd parser error\n"); + gvt_vgpu_err("cmd parser error\n"); parser_exec_state_dump(s); break; } @@ -2639,7 +2671,7 @@ static int shadow_workload_ring_buffer(struct intel_vgpu_workload *workload) gma_head, gma_top, workload->shadow_ring_buffer_va); if (ret) { - gvt_err("fail to copy guest ring buffer\n"); + gvt_vgpu_err("fail to copy guest ring buffer\n"); return ret; } copy_len = gma_top - gma_head; @@ -2651,7 +2683,7 @@ static int shadow_workload_ring_buffer(struct intel_vgpu_workload *workload) gma_head, gma_tail, workload->shadow_ring_buffer_va + copy_len); if (ret) { - gvt_err("fail to copy guest ring buffer\n"); + gvt_vgpu_err("fail to copy guest ring buffer\n"); return ret; } ring->tail += workload->rb_len; @@ -2662,16 +2694,17 @@ static int shadow_workload_ring_buffer(struct intel_vgpu_workload *workload) int intel_gvt_scan_and_shadow_workload(struct intel_vgpu_workload *workload) { int ret; + struct intel_vgpu *vgpu = workload->vgpu; ret = shadow_workload_ring_buffer(workload); if (ret) { - gvt_err("fail to shadow workload ring_buffer\n"); + gvt_vgpu_err("fail to shadow workload ring_buffer\n"); return ret; } ret = scan_workload(workload); if (ret) { - gvt_err("scan workload error\n"); + gvt_vgpu_err("scan workload error\n"); return ret; } return 0; @@ -2681,6 +2714,7 @@ static int shadow_indirect_ctx(struct intel_shadow_wa_ctx *wa_ctx) { int ctx_size = wa_ctx->indirect_ctx.size; unsigned long guest_gma = wa_ctx->indirect_ctx.guest_gma; + struct intel_vgpu *vgpu = wa_ctx->workload->vgpu; struct drm_i915_gem_object *obj; int ret = 0; void *map; @@ -2694,14 +2728,14 @@ static int shadow_indirect_ctx(struct intel_shadow_wa_ctx *wa_ctx) /* get the va of the shadow batch buffer */ map = i915_gem_object_pin_map(obj, I915_MAP_WB); if (IS_ERR(map)) { - gvt_err("failed to vmap shadow indirect ctx\n"); + gvt_vgpu_err("failed to vmap shadow indirect ctx\n"); ret = PTR_ERR(map); goto put_obj; } ret = i915_gem_object_set_to_cpu_domain(obj, false); if (ret) { - gvt_err("failed to set shadow indirect ctx to CPU\n"); + gvt_vgpu_err("failed to set shadow indirect ctx to CPU\n"); goto unmap_src; } @@ -2710,7 +2744,7 @@ static int shadow_indirect_ctx(struct intel_shadow_wa_ctx *wa_ctx) guest_gma, guest_gma + ctx_size, map); if (ret) { - gvt_err("fail to copy guest indirect ctx\n"); + gvt_vgpu_err("fail to copy guest indirect ctx\n"); goto unmap_src; } @@ -2744,13 +2778,14 @@ static int combine_wa_ctx(struct intel_shadow_wa_ctx *wa_ctx) int intel_gvt_scan_and_shadow_wa_ctx(struct intel_shadow_wa_ctx *wa_ctx) { int ret; + struct intel_vgpu *vgpu = wa_ctx->workload->vgpu; if (wa_ctx->indirect_ctx.size == 0) return 0; ret = shadow_indirect_ctx(wa_ctx); if (ret) { - gvt_err("fail to shadow indirect ctx\n"); + gvt_vgpu_err("fail to shadow indirect ctx\n"); return ret; } @@ -2758,7 +2793,7 @@ int intel_gvt_scan_and_shadow_wa_ctx(struct intel_shadow_wa_ctx *wa_ctx) ret = scan_wa_ctx(wa_ctx); if (ret) { - gvt_err("scan wa ctx error\n"); + gvt_vgpu_err("scan wa ctx error\n"); return ret; } diff --git a/drivers/gpu/drm/i915/gvt/debug.h b/drivers/gpu/drm/i915/gvt/debug.h index 68cba7b..b0cff4d 100644 --- a/drivers/gpu/drm/i915/gvt/debug.h +++ b/drivers/gpu/drm/i915/gvt/debug.h @@ -27,6 +27,14 @@ #define gvt_err(fmt, args...) \ DRM_ERROR("gvt: "fmt, ##args) +#define gvt_vgpu_err(fmt, args...) \ +do { \ + if (IS_ERR_OR_NULL(vgpu)) \ + DRM_DEBUG_DRIVER("gvt: "fmt, ##args); \ + else \ + DRM_DEBUG_DRIVER("gvt: vgpu %d: "fmt, vgpu->id, ##args);\ +} while (0) + #define gvt_dbg_core(fmt, args...) \ DRM_DEBUG_DRIVER("gvt: core: "fmt, ##args) diff --git a/drivers/gpu/drm/i915/gvt/edid.c b/drivers/gpu/drm/i915/gvt/edid.c index bda85df..42cd09ec 100644 --- a/drivers/gpu/drm/i915/gvt/edid.c +++ b/drivers/gpu/drm/i915/gvt/edid.c @@ -52,16 +52,16 @@ static unsigned char edid_get_byte(struct intel_vgpu *vgpu) unsigned char chr = 0; if (edid->state == I2C_NOT_SPECIFIED || !edid->slave_selected) { - gvt_err("Driver tries to read EDID without proper sequence!\n"); + gvt_vgpu_err("Driver tries to read EDID without proper sequence!\n"); return 0; } if (edid->current_edid_read >= EDID_SIZE) { - gvt_err("edid_get_byte() exceeds the size of EDID!\n"); + gvt_vgpu_err("edid_get_byte() exceeds the size of EDID!\n"); return 0; } if (!edid->edid_available) { - gvt_err("Reading EDID but EDID is not available!\n"); + gvt_vgpu_err("Reading EDID but EDID is not available!\n"); return 0; } @@ -72,7 +72,7 @@ static unsigned char edid_get_byte(struct intel_vgpu *vgpu) chr = edid_data->edid_block[edid->current_edid_read]; edid->current_edid_read++; } else { - gvt_err("No EDID available during the reading?\n"); + gvt_vgpu_err("No EDID available during the reading?\n"); } return chr; } @@ -223,7 +223,7 @@ static int gmbus1_mmio_write(struct intel_vgpu *vgpu, unsigned int offset, vgpu_vreg(vgpu, PCH_GMBUS2) |= GMBUS_ACTIVE; break; default: - gvt_err("Unknown/reserved GMBUS cycle detected!\n"); + gvt_vgpu_err("Unknown/reserved GMBUS cycle detected!\n"); break; } /* @@ -292,8 +292,7 @@ static int gmbus3_mmio_read(struct intel_vgpu *vgpu, unsigned int offset, */ } else { memcpy(p_data, &vgpu_vreg(vgpu, offset), bytes); - gvt_err("vgpu%d: warning: gmbus3 read with nothing returned\n", - vgpu->id); + gvt_vgpu_err("warning: gmbus3 read with nothing returned\n"); } return 0; } @@ -496,7 +495,8 @@ void intel_gvt_i2c_handle_aux_ch_write(struct intel_vgpu *vgpu, unsigned char val = edid_get_byte(vgpu); aux_data_for_write = (val << 16); - } + } else + aux_data_for_write = (0xff << 16); } /* write the return value in AUX_CH_DATA reg which includes: * ACK of I2C_WRITE diff --git a/drivers/gpu/drm/i915/gvt/execlist.c b/drivers/gpu/drm/i915/gvt/execlist.c index 46eb9fd..d186c15 100644 --- a/drivers/gpu/drm/i915/gvt/execlist.c +++ b/drivers/gpu/drm/i915/gvt/execlist.c @@ -172,6 +172,7 @@ static int emulate_execlist_ctx_schedule_out( struct intel_vgpu_execlist *execlist, struct execlist_ctx_descriptor_format *ctx) { + struct intel_vgpu *vgpu = execlist->vgpu; struct intel_vgpu_execlist_slot *running = execlist->running_slot; struct intel_vgpu_execlist_slot *pending = execlist->pending_slot; struct execlist_ctx_descriptor_format *ctx0 = &running->ctx[0]; @@ -183,7 +184,7 @@ static int emulate_execlist_ctx_schedule_out( gvt_dbg_el("schedule out context id %x\n", ctx->context_id); if (WARN_ON(!same_context(ctx, execlist->running_context))) { - gvt_err("schedule out context is not running context," + gvt_vgpu_err("schedule out context is not running context," "ctx id %x running ctx id %x\n", ctx->context_id, execlist->running_context->context_id); @@ -254,7 +255,7 @@ static struct intel_vgpu_execlist_slot *get_next_execlist_slot( status.udw = vgpu_vreg(vgpu, status_reg + 4); if (status.execlist_queue_full) { - gvt_err("virtual execlist slots are full\n"); + gvt_vgpu_err("virtual execlist slots are full\n"); return NULL; } @@ -270,11 +271,12 @@ static int emulate_execlist_schedule_in(struct intel_vgpu_execlist *execlist, struct execlist_ctx_descriptor_format *ctx0, *ctx1; struct execlist_context_status_format status; + struct intel_vgpu *vgpu = execlist->vgpu; gvt_dbg_el("emulate schedule-in\n"); if (!slot) { - gvt_err("no available execlist slot\n"); + gvt_vgpu_err("no available execlist slot\n"); return -EINVAL; } @@ -375,7 +377,6 @@ static void prepare_shadow_batch_buffer(struct intel_vgpu_workload *workload) vma = i915_gem_object_ggtt_pin(entry_obj->obj, NULL, 0, 4, 0); if (IS_ERR(vma)) { - gvt_err("Cannot pin\n"); return; } @@ -428,7 +429,6 @@ static void prepare_shadow_wa_ctx(struct intel_shadow_wa_ctx *wa_ctx) vma = i915_gem_object_ggtt_pin(wa_ctx->indirect_ctx.obj, NULL, 0, CACHELINE_BYTES, 0); if (IS_ERR(vma)) { - gvt_err("Cannot pin indirect ctx obj\n"); return; } @@ -561,6 +561,7 @@ static int prepare_mm(struct intel_vgpu_workload *workload) { struct execlist_ctx_descriptor_format *desc = &workload->ctx_desc; struct intel_vgpu_mm *mm; + struct intel_vgpu *vgpu = workload->vgpu; int page_table_level; u32 pdp[8]; @@ -569,7 +570,7 @@ static int prepare_mm(struct intel_vgpu_workload *workload) } else if (desc->addressing_mode == 3) { /* legacy 64 bit */ page_table_level = 4; } else { - gvt_err("Advanced Context mode(SVM) is not supported!\n"); + gvt_vgpu_err("Advanced Context mode(SVM) is not supported!\n"); return -EINVAL; } @@ -583,7 +584,7 @@ static int prepare_mm(struct intel_vgpu_workload *workload) mm = intel_vgpu_create_mm(workload->vgpu, INTEL_GVT_MM_PPGTT, pdp, page_table_level, 0); if (IS_ERR(mm)) { - gvt_err("fail to create mm object.\n"); + gvt_vgpu_err("fail to create mm object.\n"); return PTR_ERR(mm); } } @@ -609,7 +610,7 @@ static int submit_context(struct intel_vgpu *vgpu, int ring_id, ring_context_gpa = intel_vgpu_gma_to_gpa(vgpu->gtt.ggtt_mm, (u32)((desc->lrca + 1) << GTT_PAGE_SHIFT)); if (ring_context_gpa == INTEL_GVT_INVALID_ADDR) { - gvt_err("invalid guest context LRCA: %x\n", desc->lrca); + gvt_vgpu_err("invalid guest context LRCA: %x\n", desc->lrca); return -EINVAL; } @@ -724,8 +725,7 @@ int intel_vgpu_submit_execlist(struct intel_vgpu *vgpu, int ring_id) continue; if (!desc[i]->privilege_access) { - gvt_err("vgpu%d: unexpected GGTT elsp submission\n", - vgpu->id); + gvt_vgpu_err("unexpected GGTT elsp submission\n"); return -EINVAL; } @@ -735,15 +735,13 @@ int intel_vgpu_submit_execlist(struct intel_vgpu *vgpu, int ring_id) } if (!valid_desc_bitmap) { - gvt_err("vgpu%d: no valid desc in a elsp submission\n", - vgpu->id); + gvt_vgpu_err("no valid desc in a elsp submission\n"); return -EINVAL; } if (!test_bit(0, (void *)&valid_desc_bitmap) && test_bit(1, (void *)&valid_desc_bitmap)) { - gvt_err("vgpu%d: weird elsp submission, desc 0 is not valid\n", - vgpu->id); + gvt_vgpu_err("weird elsp submission, desc 0 is not valid\n"); return -EINVAL; } @@ -752,8 +750,7 @@ int intel_vgpu_submit_execlist(struct intel_vgpu *vgpu, int ring_id) ret = submit_context(vgpu, ring_id, &valid_desc[i], emulate_schedule_in); if (ret) { - gvt_err("vgpu%d: fail to schedule workload\n", - vgpu->id); + gvt_vgpu_err("fail to schedule workload\n"); return ret; } emulate_schedule_in = false; @@ -778,7 +775,8 @@ static void init_vgpu_execlist(struct intel_vgpu *vgpu, int ring_id) _EL_OFFSET_STATUS_PTR); ctx_status_ptr.dw = vgpu_vreg(vgpu, ctx_status_ptr_reg); - ctx_status_ptr.read_ptr = ctx_status_ptr.write_ptr = 0x7; + ctx_status_ptr.read_ptr = 0; + ctx_status_ptr.write_ptr = 0x7; vgpu_vreg(vgpu, ctx_status_ptr_reg) = ctx_status_ptr.dw; } diff --git a/drivers/gpu/drm/i915/gvt/firmware.c b/drivers/gpu/drm/i915/gvt/firmware.c index 933a7c2..dce8d15 100644 --- a/drivers/gpu/drm/i915/gvt/firmware.c +++ b/drivers/gpu/drm/i915/gvt/firmware.c @@ -75,11 +75,11 @@ static int expose_firmware_sysfs(struct intel_gvt *gvt) struct gvt_firmware_header *h; void *firmware; void *p; - unsigned long size; + unsigned long size, crc32_start; int i; int ret; - size = sizeof(*h) + info->mmio_size + info->cfg_space_size - 1; + size = sizeof(*h) + info->mmio_size + info->cfg_space_size; firmware = vzalloc(size); if (!firmware) return -ENOMEM; @@ -112,6 +112,9 @@ static int expose_firmware_sysfs(struct intel_gvt *gvt) memcpy(gvt->firmware.mmio, p, info->mmio_size); + crc32_start = offsetof(struct gvt_firmware_header, crc32) + 4; + h->crc32 = crc32_le(0, firmware + crc32_start, size - crc32_start); + firmware_attr.size = size; firmware_attr.private = firmware; @@ -234,7 +237,7 @@ int intel_gvt_load_firmware(struct intel_gvt *gvt) firmware->mmio = mem; - sprintf(path, "%s/vid_0x%04x_did_0x%04x_rid_0x%04x.golden_hw_state", + sprintf(path, "%s/vid_0x%04x_did_0x%04x_rid_0x%02x.golden_hw_state", GVT_FIRMWARE_PATH, pdev->vendor, pdev->device, pdev->revision); diff --git a/drivers/gpu/drm/i915/gvt/gtt.c b/drivers/gpu/drm/i915/gvt/gtt.c index 6a5ff23..b832bea 100644 --- a/drivers/gpu/drm/i915/gvt/gtt.c +++ b/drivers/gpu/drm/i915/gvt/gtt.c @@ -49,8 +49,8 @@ bool intel_gvt_ggtt_validate_range(struct intel_vgpu *vgpu, u64 addr, u32 size) { if ((!vgpu_gmadr_is_valid(vgpu, addr)) || (size && !vgpu_gmadr_is_valid(vgpu, addr + size - 1))) { - gvt_err("vgpu%d: invalid range gmadr 0x%llx size 0x%x\n", - vgpu->id, addr, size); + gvt_vgpu_err("invalid range gmadr 0x%llx size 0x%x\n", + addr, size); return false; } return true; @@ -430,7 +430,7 @@ static int gtt_entry_p2m(struct intel_vgpu *vgpu, struct intel_gvt_gtt_entry *p, mfn = intel_gvt_hypervisor_gfn_to_mfn(vgpu, gfn); if (mfn == INTEL_GVT_INVALID_ADDR) { - gvt_err("fail to translate gfn: 0x%lx\n", gfn); + gvt_vgpu_err("fail to translate gfn: 0x%lx\n", gfn); return -ENXIO; } @@ -611,7 +611,7 @@ static inline int init_shadow_page(struct intel_vgpu *vgpu, daddr = dma_map_page(kdev, p->page, 0, 4096, PCI_DMA_BIDIRECTIONAL); if (dma_mapping_error(kdev, daddr)) { - gvt_err("fail to map dma addr\n"); + gvt_vgpu_err("fail to map dma addr\n"); return -EINVAL; } @@ -735,7 +735,7 @@ retry: if (reclaim_one_mm(vgpu->gvt)) goto retry; - gvt_err("fail to allocate ppgtt shadow page\n"); + gvt_vgpu_err("fail to allocate ppgtt shadow page\n"); return ERR_PTR(-ENOMEM); } @@ -750,14 +750,14 @@ retry: */ ret = init_shadow_page(vgpu, &spt->shadow_page, type); if (ret) { - gvt_err("fail to initialize shadow page for spt\n"); + gvt_vgpu_err("fail to initialize shadow page for spt\n"); goto err; } ret = intel_vgpu_init_guest_page(vgpu, &spt->guest_page, gfn, ppgtt_write_protection_handler, NULL); if (ret) { - gvt_err("fail to initialize guest page for spt\n"); + gvt_vgpu_err("fail to initialize guest page for spt\n"); goto err; } @@ -776,8 +776,7 @@ static struct intel_vgpu_ppgtt_spt *ppgtt_find_shadow_page( if (p) return shadow_page_to_ppgtt_spt(p); - gvt_err("vgpu%d: fail to find ppgtt shadow page: 0x%lx\n", - vgpu->id, mfn); + gvt_vgpu_err("fail to find ppgtt shadow page: 0x%lx\n", mfn); return NULL; } @@ -827,8 +826,8 @@ static int ppgtt_invalidate_shadow_page_by_shadow_entry(struct intel_vgpu *vgpu, } s = ppgtt_find_shadow_page(vgpu, ops->get_pfn(e)); if (!s) { - gvt_err("vgpu%d: fail to find shadow page: mfn: 0x%lx\n", - vgpu->id, ops->get_pfn(e)); + gvt_vgpu_err("fail to find shadow page: mfn: 0x%lx\n", + ops->get_pfn(e)); return -ENXIO; } return ppgtt_invalidate_shadow_page(s); @@ -836,6 +835,7 @@ static int ppgtt_invalidate_shadow_page_by_shadow_entry(struct intel_vgpu *vgpu, static int ppgtt_invalidate_shadow_page(struct intel_vgpu_ppgtt_spt *spt) { + struct intel_vgpu *vgpu = spt->vgpu; struct intel_gvt_gtt_entry e; unsigned long index; int ret; @@ -854,7 +854,7 @@ static int ppgtt_invalidate_shadow_page(struct intel_vgpu_ppgtt_spt *spt) for_each_present_shadow_entry(spt, &e, index) { if (!gtt_type_is_pt(get_next_pt_type(e.type))) { - gvt_err("GVT doesn't support pse bit for now\n"); + gvt_vgpu_err("GVT doesn't support pse bit for now\n"); return -EINVAL; } ret = ppgtt_invalidate_shadow_page_by_shadow_entry( @@ -868,8 +868,8 @@ release: ppgtt_free_shadow_page(spt); return 0; fail: - gvt_err("vgpu%d: fail: shadow page %p shadow entry 0x%llx type %d\n", - spt->vgpu->id, spt, e.val64, e.type); + gvt_vgpu_err("fail: shadow page %p shadow entry 0x%llx type %d\n", + spt, e.val64, e.type); return ret; } @@ -914,8 +914,8 @@ static struct intel_vgpu_ppgtt_spt *ppgtt_populate_shadow_page_by_guest_entry( } return s; fail: - gvt_err("vgpu%d: fail: shadow page %p guest entry 0x%llx type %d\n", - vgpu->id, s, we->val64, we->type); + gvt_vgpu_err("fail: shadow page %p guest entry 0x%llx type %d\n", + s, we->val64, we->type); return ERR_PTR(ret); } @@ -953,7 +953,7 @@ static int ppgtt_populate_shadow_page(struct intel_vgpu_ppgtt_spt *spt) for_each_present_guest_entry(spt, &ge, i) { if (!gtt_type_is_pt(get_next_pt_type(ge.type))) { - gvt_err("GVT doesn't support pse bit now\n"); + gvt_vgpu_err("GVT doesn't support pse bit now\n"); ret = -EINVAL; goto fail; } @@ -969,8 +969,8 @@ static int ppgtt_populate_shadow_page(struct intel_vgpu_ppgtt_spt *spt) } return 0; fail: - gvt_err("vgpu%d: fail: shadow page %p guest entry 0x%llx type %d\n", - vgpu->id, spt, ge.val64, ge.type); + gvt_vgpu_err("fail: shadow page %p guest entry 0x%llx type %d\n", + spt, ge.val64, ge.type); return ret; } @@ -999,7 +999,7 @@ static int ppgtt_handle_guest_entry_removal(struct intel_vgpu_guest_page *gpt, struct intel_vgpu_ppgtt_spt *s = ppgtt_find_shadow_page(vgpu, ops->get_pfn(&e)); if (!s) { - gvt_err("fail to find guest page\n"); + gvt_vgpu_err("fail to find guest page\n"); ret = -ENXIO; goto fail; } @@ -1011,8 +1011,8 @@ static int ppgtt_handle_guest_entry_removal(struct intel_vgpu_guest_page *gpt, ppgtt_set_shadow_entry(spt, &e, index); return 0; fail: - gvt_err("vgpu%d: fail: shadow page %p guest entry 0x%llx type %d\n", - vgpu->id, spt, e.val64, e.type); + gvt_vgpu_err("fail: shadow page %p guest entry 0x%llx type %d\n", + spt, e.val64, e.type); return ret; } @@ -1046,8 +1046,8 @@ static int ppgtt_handle_guest_entry_add(struct intel_vgpu_guest_page *gpt, } return 0; fail: - gvt_err("vgpu%d: fail: spt %p guest entry 0x%llx type %d\n", vgpu->id, - spt, we->val64, we->type); + gvt_vgpu_err("fail: spt %p guest entry 0x%llx type %d\n", + spt, we->val64, we->type); return ret; } @@ -1250,8 +1250,8 @@ static int ppgtt_handle_guest_write_page_table( } return 0; fail: - gvt_err("vgpu%d: fail: shadow page %p guest entry 0x%llx type %d.\n", - vgpu->id, spt, we->val64, we->type); + gvt_vgpu_err("fail: shadow page %p guest entry 0x%llx type %d.\n", + spt, we->val64, we->type); return ret; } @@ -1493,7 +1493,7 @@ static int shadow_mm(struct intel_vgpu_mm *mm) spt = ppgtt_populate_shadow_page_by_guest_entry(vgpu, &ge); if (IS_ERR(spt)) { - gvt_err("fail to populate guest root pointer\n"); + gvt_vgpu_err("fail to populate guest root pointer\n"); ret = PTR_ERR(spt); goto fail; } @@ -1566,7 +1566,7 @@ struct intel_vgpu_mm *intel_vgpu_create_mm(struct intel_vgpu *vgpu, ret = gtt->mm_alloc_page_table(mm); if (ret) { - gvt_err("fail to allocate page table for mm\n"); + gvt_vgpu_err("fail to allocate page table for mm\n"); goto fail; } @@ -1584,7 +1584,7 @@ struct intel_vgpu_mm *intel_vgpu_create_mm(struct intel_vgpu *vgpu, } return mm; fail: - gvt_err("fail to create mm\n"); + gvt_vgpu_err("fail to create mm\n"); if (mm) intel_gvt_mm_unreference(mm); return ERR_PTR(ret); @@ -1760,7 +1760,7 @@ unsigned long intel_vgpu_gma_to_gpa(struct intel_vgpu_mm *mm, unsigned long gma) mm->page_table_level, gma, gpa); return gpa; err: - gvt_err("invalid mm type: %d gma %lx\n", mm->type, gma); + gvt_vgpu_err("invalid mm type: %d gma %lx\n", mm->type, gma); return INTEL_GVT_INVALID_ADDR; } @@ -1836,13 +1836,16 @@ static int emulate_gtt_mmio_write(struct intel_vgpu *vgpu, unsigned int off, if (ops->test_present(&e)) { ret = gtt_entry_p2m(vgpu, &e, &m); if (ret) { - gvt_err("vgpu%d: fail to translate guest gtt entry\n", - vgpu->id); - return ret; + gvt_vgpu_err("fail to translate guest gtt entry\n"); + /* guest driver may read/write the entry when partial + * update the entry in this situation p2m will fail + * settting the shadow entry to point to a scratch page + */ + ops->set_pfn(&m, gvt->gtt.scratch_ggtt_mfn); } } else { m = e; - m.val64 = 0; + ops->set_pfn(&m, gvt->gtt.scratch_ggtt_mfn); } ggtt_set_shadow_entry(ggtt_mm, &m, g_gtt_index); @@ -1893,14 +1896,14 @@ static int alloc_scratch_pages(struct intel_vgpu *vgpu, scratch_pt = (void *)get_zeroed_page(GFP_KERNEL); if (!scratch_pt) { - gvt_err("fail to allocate scratch page\n"); + gvt_vgpu_err("fail to allocate scratch page\n"); return -ENOMEM; } daddr = dma_map_page(dev, virt_to_page(scratch_pt), 0, 4096, PCI_DMA_BIDIRECTIONAL); if (dma_mapping_error(dev, daddr)) { - gvt_err("fail to dmamap scratch_pt\n"); + gvt_vgpu_err("fail to dmamap scratch_pt\n"); __free_page(virt_to_page(scratch_pt)); return -ENOMEM; } @@ -2003,7 +2006,7 @@ int intel_vgpu_init_gtt(struct intel_vgpu *vgpu) ggtt_mm = intel_vgpu_create_mm(vgpu, INTEL_GVT_MM_GGTT, NULL, 1, 0); if (IS_ERR(ggtt_mm)) { - gvt_err("fail to create mm for ggtt.\n"); + gvt_vgpu_err("fail to create mm for ggtt.\n"); return PTR_ERR(ggtt_mm); } @@ -2076,7 +2079,6 @@ static int setup_spt_oos(struct intel_gvt *gvt) for (i = 0; i < preallocated_oos_pages; i++) { oos_page = kzalloc(sizeof(*oos_page), GFP_KERNEL); if (!oos_page) { - gvt_err("fail to pre-allocate oos page\n"); ret = -ENOMEM; goto fail; } @@ -2166,7 +2168,7 @@ int intel_vgpu_g2v_create_ppgtt_mm(struct intel_vgpu *vgpu, mm = intel_vgpu_create_mm(vgpu, INTEL_GVT_MM_PPGTT, pdp, page_table_level, 0); if (IS_ERR(mm)) { - gvt_err("fail to create mm\n"); + gvt_vgpu_err("fail to create mm\n"); return PTR_ERR(mm); } } @@ -2196,7 +2198,7 @@ int intel_vgpu_g2v_destroy_ppgtt_mm(struct intel_vgpu *vgpu, mm = intel_vgpu_find_ppgtt_mm(vgpu, page_table_level, pdp); if (!mm) { - gvt_err("fail to find ppgtt instance.\n"); + gvt_vgpu_err("fail to find ppgtt instance.\n"); return -EINVAL; } intel_gvt_mm_unreference(mm); diff --git a/drivers/gpu/drm/i915/gvt/gvt.c b/drivers/gpu/drm/i915/gvt/gvt.c index 3b9d59e..ef3baa0 100644 --- a/drivers/gpu/drm/i915/gvt/gvt.c +++ b/drivers/gpu/drm/i915/gvt/gvt.c @@ -52,6 +52,8 @@ static const struct intel_gvt_ops intel_gvt_ops = { .vgpu_create = intel_gvt_create_vgpu, .vgpu_destroy = intel_gvt_destroy_vgpu, .vgpu_reset = intel_gvt_reset_vgpu, + .vgpu_activate = intel_gvt_activate_vgpu, + .vgpu_deactivate = intel_gvt_deactivate_vgpu, }; /** diff --git a/drivers/gpu/drm/i915/gvt/gvt.h b/drivers/gpu/drm/i915/gvt/gvt.h index 2379192..becae2f 100644 --- a/drivers/gpu/drm/i915/gvt/gvt.h +++ b/drivers/gpu/drm/i915/gvt/gvt.h @@ -162,7 +162,6 @@ struct intel_vgpu { atomic_t running_workload_num; DECLARE_BITMAP(tlb_handle_pending, I915_NUM_ENGINES); struct i915_gem_context *shadow_ctx; - struct notifier_block shadow_ctx_notifier_block; #if IS_ENABLED(CONFIG_DRM_I915_GVT_KVMGT) struct { @@ -233,6 +232,7 @@ struct intel_gvt { struct intel_gvt_gtt gtt; struct intel_gvt_opregion opregion; struct intel_gvt_workload_scheduler scheduler; + struct notifier_block shadow_ctx_notifier_block[I915_NUM_ENGINES]; DECLARE_HASHTABLE(cmd_table, GVT_CMD_HASH_BITS); struct intel_vgpu_type *types; unsigned int num_types; @@ -382,7 +382,8 @@ void intel_gvt_destroy_vgpu(struct intel_vgpu *vgpu); void intel_gvt_reset_vgpu_locked(struct intel_vgpu *vgpu, bool dmlr, unsigned int engine_mask); void intel_gvt_reset_vgpu(struct intel_vgpu *vgpu); - +void intel_gvt_activate_vgpu(struct intel_vgpu *vgpu); +void intel_gvt_deactivate_vgpu(struct intel_vgpu *vgpu); /* validating GM functions */ #define vgpu_gmadr_is_aperture(vgpu, gmadr) \ @@ -449,6 +450,8 @@ struct intel_gvt_ops { struct intel_vgpu_type *); void (*vgpu_destroy)(struct intel_vgpu *); void (*vgpu_reset)(struct intel_vgpu *); + void (*vgpu_activate)(struct intel_vgpu *); + void (*vgpu_deactivate)(struct intel_vgpu *); }; diff --git a/drivers/gpu/drm/i915/gvt/handlers.c b/drivers/gpu/drm/i915/gvt/handlers.c index 8e43395..6da9ae1 100644 --- a/drivers/gpu/drm/i915/gvt/handlers.c +++ b/drivers/gpu/drm/i915/gvt/handlers.c @@ -181,11 +181,9 @@ static int sanitize_fence_mmio_access(struct intel_vgpu *vgpu, GVT_FAILSAFE_UNSUPPORTED_GUEST); if (!vgpu->mmio.disable_warn_untrack) { - gvt_err("vgpu%d: found oob fence register access\n", - vgpu->id); - gvt_err("vgpu%d: total fence %d, access fence %d\n", - vgpu->id, vgpu_fence_sz(vgpu), - fence_num); + gvt_vgpu_err("found oob fence register access\n"); + gvt_vgpu_err("total fence %d, access fence %d\n", + vgpu_fence_sz(vgpu), fence_num); } memset(p_data, 0, bytes); return -EINVAL; @@ -249,7 +247,7 @@ static int mul_force_wake_write(struct intel_vgpu *vgpu, break; default: /*should not hit here*/ - gvt_err("invalid forcewake offset 0x%x\n", offset); + gvt_vgpu_err("invalid forcewake offset 0x%x\n", offset); return -EINVAL; } } else { @@ -530,7 +528,7 @@ static int check_fdi_rx_train_status(struct intel_vgpu *vgpu, fdi_tx_train_bits = FDI_LINK_TRAIN_PATTERN_2; fdi_iir_check_bits = FDI_RX_SYMBOL_LOCK; } else { - gvt_err("Invalid train pattern %d\n", train_pattern); + gvt_vgpu_err("Invalid train pattern %d\n", train_pattern); return -EINVAL; } @@ -588,7 +586,7 @@ static int update_fdi_rx_iir_status(struct intel_vgpu *vgpu, else if (FDI_RX_IMR_TO_PIPE(offset) != INVALID_INDEX) index = FDI_RX_IMR_TO_PIPE(offset); else { - gvt_err("Unsupport registers %x\n", offset); + gvt_vgpu_err("Unsupport registers %x\n", offset); return -EINVAL; } @@ -818,7 +816,7 @@ static int dp_aux_ch_ctl_mmio_write(struct intel_vgpu *vgpu, u32 data; if (!dpy_is_valid_port(port_index)) { - gvt_err("GVT(%d): Unsupported DP port access!\n", vgpu->id); + gvt_vgpu_err("Unsupported DP port access!\n"); return 0; } @@ -972,6 +970,14 @@ static int dp_aux_ch_ctl_mmio_write(struct intel_vgpu *vgpu, return 0; } +static int mbctl_write(struct intel_vgpu *vgpu, unsigned int offset, + void *p_data, unsigned int bytes) +{ + *(u32 *)p_data &= (~GEN6_MBCTL_ENABLE_BOOT_FETCH); + write_vreg(vgpu, offset, p_data, bytes); + return 0; +} + static int vga_control_mmio_write(struct intel_vgpu *vgpu, unsigned int offset, void *p_data, unsigned int bytes) { @@ -1016,8 +1022,7 @@ static void write_virtual_sbi_register(struct intel_vgpu *vgpu, if (i == num) { if (num == SBI_REG_MAX) { - gvt_err("vgpu%d: SBI caching meets maximum limits\n", - vgpu->id); + gvt_vgpu_err("SBI caching meets maximum limits\n"); return; } display->sbi.number++; @@ -1097,7 +1102,7 @@ static int pvinfo_mmio_read(struct intel_vgpu *vgpu, unsigned int offset, break; } if (invalid_read) - gvt_err("invalid pvinfo read: [%x:%x] = %x\n", + gvt_vgpu_err("invalid pvinfo read: [%x:%x] = %x\n", offset, bytes, *(u32 *)p_data); vgpu->pv_notified = true; return 0; @@ -1125,7 +1130,7 @@ static int handle_g2v_notification(struct intel_vgpu *vgpu, int notification) case 1: /* Remove this in guest driver. */ break; default: - gvt_err("Invalid PV notification %d\n", notification); + gvt_vgpu_err("Invalid PV notification %d\n", notification); } return ret; } @@ -1181,7 +1186,7 @@ static int pvinfo_mmio_write(struct intel_vgpu *vgpu, unsigned int offset, enter_failsafe_mode(vgpu, GVT_FAILSAFE_INSUFFICIENT_RESOURCE); break; default: - gvt_err("invalid pvinfo write offset %x bytes %x data %x\n", + gvt_vgpu_err("invalid pvinfo write offset %x bytes %x data %x\n", offset, bytes, data); break; } @@ -1415,7 +1420,8 @@ static int elsp_mmio_write(struct intel_vgpu *vgpu, unsigned int offset, if (execlist->elsp_dwords.index == 3) { ret = intel_vgpu_submit_execlist(vgpu, ring_id); if(ret) - gvt_err("fail submit workload on ring %d\n", ring_id); + gvt_vgpu_err("fail submit workload on ring %d\n", + ring_id); } ++execlist->elsp_dwords.index; @@ -2240,7 +2246,7 @@ static int init_generic_mmio_info(struct intel_gvt *gvt) MMIO_D(0x7180, D_ALL); MMIO_D(0x7408, D_ALL); MMIO_D(0x7c00, D_ALL); - MMIO_D(GEN6_MBCTL, D_ALL); + MMIO_DH(GEN6_MBCTL, D_ALL, NULL, mbctl_write); MMIO_D(0x911c, D_ALL); MMIO_D(0x9120, D_ALL); MMIO_DFH(GEN7_UCGCTL4, D_ALL, F_CMD_ACCESS, NULL, NULL); @@ -2988,3 +2994,20 @@ int intel_vgpu_default_mmio_write(struct intel_vgpu *vgpu, unsigned int offset, write_vreg(vgpu, offset, p_data, bytes); return 0; } + +/** + * intel_gvt_in_force_nonpriv_whitelist - if a mmio is in whitelist to be + * force-nopriv register + * + * @gvt: a GVT device + * @offset: register offset + * + * Returns: + * True if the register is in force-nonpriv whitelist; + * False if outside; + */ +bool intel_gvt_in_force_nonpriv_whitelist(struct intel_gvt *gvt, + unsigned int offset) +{ + return in_whitelist(offset); +} diff --git a/drivers/gpu/drm/i915/gvt/kvmgt.c b/drivers/gpu/drm/i915/gvt/kvmgt.c index 84d8016..e466259 100644 --- a/drivers/gpu/drm/i915/gvt/kvmgt.c +++ b/drivers/gpu/drm/i915/gvt/kvmgt.c @@ -426,7 +426,7 @@ static void kvmgt_protect_table_del(struct kvmgt_guest_info *info, static int intel_vgpu_create(struct kobject *kobj, struct mdev_device *mdev) { - struct intel_vgpu *vgpu; + struct intel_vgpu *vgpu = NULL; struct intel_vgpu_type *type; struct device *pdev; void *gvt; @@ -437,7 +437,7 @@ static int intel_vgpu_create(struct kobject *kobj, struct mdev_device *mdev) type = intel_gvt_find_vgpu_type(gvt, kobject_name(kobj)); if (!type) { - gvt_err("failed to find type %s to create\n", + gvt_vgpu_err("failed to find type %s to create\n", kobject_name(kobj)); ret = -EINVAL; goto out; @@ -446,7 +446,7 @@ static int intel_vgpu_create(struct kobject *kobj, struct mdev_device *mdev) vgpu = intel_gvt_ops->vgpu_create(gvt, type); if (IS_ERR_OR_NULL(vgpu)) { ret = vgpu == NULL ? -EFAULT : PTR_ERR(vgpu); - gvt_err("failed to create intel vgpu: %d\n", ret); + gvt_vgpu_err("failed to create intel vgpu: %d\n", ret); goto out; } @@ -526,7 +526,8 @@ static int intel_vgpu_open(struct mdev_device *mdev) ret = vfio_register_notifier(mdev_dev(mdev), VFIO_IOMMU_NOTIFY, &events, &vgpu->vdev.iommu_notifier); if (ret != 0) { - gvt_err("vfio_register_notifier for iommu failed: %d\n", ret); + gvt_vgpu_err("vfio_register_notifier for iommu failed: %d\n", + ret); goto out; } @@ -534,7 +535,8 @@ static int intel_vgpu_open(struct mdev_device *mdev) ret = vfio_register_notifier(mdev_dev(mdev), VFIO_GROUP_NOTIFY, &events, &vgpu->vdev.group_notifier); if (ret != 0) { - gvt_err("vfio_register_notifier for group failed: %d\n", ret); + gvt_vgpu_err("vfio_register_notifier for group failed: %d\n", + ret); goto undo_iommu; } @@ -542,6 +544,8 @@ static int intel_vgpu_open(struct mdev_device *mdev) if (ret) goto undo_group; + intel_gvt_ops->vgpu_activate(vgpu); + atomic_set(&vgpu->vdev.released, 0); return ret; @@ -567,6 +571,8 @@ static void __intel_vgpu_release(struct intel_vgpu *vgpu) if (atomic_cmpxchg(&vgpu->vdev.released, 0, 1)) return; + intel_gvt_ops->vgpu_deactivate(vgpu); + ret = vfio_unregister_notifier(mdev_dev(vgpu->vdev.mdev), VFIO_IOMMU_NOTIFY, &vgpu->vdev.iommu_notifier); WARN(ret, "vfio_unregister_notifier for iommu failed: %d\n", ret); @@ -635,7 +641,7 @@ static ssize_t intel_vgpu_rw(struct mdev_device *mdev, char *buf, if (index >= VFIO_PCI_NUM_REGIONS) { - gvt_err("invalid index: %u\n", index); + gvt_vgpu_err("invalid index: %u\n", index); return -EINVAL; } @@ -669,7 +675,7 @@ static ssize_t intel_vgpu_rw(struct mdev_device *mdev, char *buf, case VFIO_PCI_VGA_REGION_INDEX: case VFIO_PCI_ROM_REGION_INDEX: default: - gvt_err("unsupported region: %u\n", index); + gvt_vgpu_err("unsupported region: %u\n", index); } return ret == 0 ? count : ret; @@ -861,7 +867,7 @@ static int intel_vgpu_set_msi_trigger(struct intel_vgpu *vgpu, trigger = eventfd_ctx_fdget(fd); if (IS_ERR(trigger)) { - gvt_err("eventfd_ctx_fdget failed\n"); + gvt_vgpu_err("eventfd_ctx_fdget failed\n"); return PTR_ERR(trigger); } vgpu->vdev.msi_trigger = trigger; @@ -1120,7 +1126,7 @@ static long intel_vgpu_ioctl(struct mdev_device *mdev, unsigned int cmd, ret = vfio_set_irqs_validate_and_prepare(&hdr, max, VFIO_PCI_NUM_IRQS, &data_size); if (ret) { - gvt_err("intel:vfio_set_irqs_validate_and_prepare failed\n"); + gvt_vgpu_err("intel:vfio_set_irqs_validate_and_prepare failed\n"); return -EINVAL; } if (data_size) { @@ -1310,7 +1316,7 @@ static int kvmgt_guest_init(struct mdev_device *mdev) kvm = vgpu->vdev.kvm; if (!kvm || kvm->mm != current->mm) { - gvt_err("KVM is required to use Intel vGPU\n"); + gvt_vgpu_err("KVM is required to use Intel vGPU\n"); return -ESRCH; } @@ -1324,6 +1330,7 @@ static int kvmgt_guest_init(struct mdev_device *mdev) vgpu->handle = (unsigned long)info; info->vgpu = vgpu; info->kvm = kvm; + kvm_get_kvm(info->kvm); kvmgt_protect_table_init(info); gvt_cache_init(vgpu); @@ -1337,12 +1344,8 @@ static int kvmgt_guest_init(struct mdev_device *mdev) static bool kvmgt_guest_exit(struct kvmgt_guest_info *info) { - if (!info) { - gvt_err("kvmgt_guest_info invalid\n"); - return false; - } - kvm_page_track_unregister_notifier(info->kvm, &info->track_node); + kvm_put_kvm(info->kvm); kvmgt_protect_table_destroy(info); gvt_cache_destroy(info->vgpu); vfree(info); @@ -1383,12 +1386,14 @@ static unsigned long kvmgt_gfn_to_pfn(unsigned long handle, unsigned long gfn) unsigned long iova, pfn; struct kvmgt_guest_info *info; struct device *dev; + struct intel_vgpu *vgpu; int rc; if (!handle_valid(handle)) return INTEL_GVT_INVALID_ADDR; info = (struct kvmgt_guest_info *)handle; + vgpu = info->vgpu; iova = gvt_cache_find(info->vgpu, gfn); if (iova != INTEL_GVT_INVALID_ADDR) return iova; @@ -1397,13 +1402,14 @@ static unsigned long kvmgt_gfn_to_pfn(unsigned long handle, unsigned long gfn) dev = mdev_dev(info->vgpu->vdev.mdev); rc = vfio_pin_pages(dev, &gfn, 1, IOMMU_READ | IOMMU_WRITE, &pfn); if (rc != 1) { - gvt_err("vfio_pin_pages failed for gfn 0x%lx: %d\n", gfn, rc); + gvt_vgpu_err("vfio_pin_pages failed for gfn 0x%lx: %d\n", + gfn, rc); return INTEL_GVT_INVALID_ADDR; } /* transfer to host iova for GFX to use DMA */ rc = gvt_dma_map_iova(info->vgpu, pfn, &iova); if (rc) { - gvt_err("gvt_dma_map_iova failed for gfn: 0x%lx\n", gfn); + gvt_vgpu_err("gvt_dma_map_iova failed for gfn: 0x%lx\n", gfn); vfio_unpin_pages(dev, &gfn, 1); return INTEL_GVT_INVALID_ADDR; } @@ -1417,7 +1423,7 @@ static int kvmgt_rw_gpa(unsigned long handle, unsigned long gpa, { struct kvmgt_guest_info *info; struct kvm *kvm; - int ret; + int idx, ret; bool kthread = current->mm == NULL; if (!handle_valid(handle)) @@ -1429,8 +1435,10 @@ static int kvmgt_rw_gpa(unsigned long handle, unsigned long gpa, if (kthread) use_mm(kvm->mm); + idx = srcu_read_lock(&kvm->srcu); ret = write ? kvm_write_guest(kvm, gpa, buf, len) : kvm_read_guest(kvm, gpa, buf, len); + srcu_read_unlock(&kvm->srcu, idx); if (kthread) unuse_mm(kvm->mm); diff --git a/drivers/gpu/drm/i915/gvt/mmio.c b/drivers/gpu/drm/i915/gvt/mmio.c index 60b698c..1ba3bdb 100644 --- a/drivers/gpu/drm/i915/gvt/mmio.c +++ b/drivers/gpu/drm/i915/gvt/mmio.c @@ -142,10 +142,10 @@ int intel_vgpu_emulate_mmio_read(struct intel_vgpu *vgpu, uint64_t pa, ret = intel_gvt_hypervisor_read_gpa(vgpu, pa, p_data, bytes); if (ret) { - gvt_err("vgpu%d: guest page read error %d, " + gvt_vgpu_err("guest page read error %d, " "gfn 0x%lx, pa 0x%llx, var 0x%x, len %d\n", - vgpu->id, ret, - gp->gfn, pa, *(u32 *)p_data, bytes); + ret, gp->gfn, pa, *(u32 *)p_data, + bytes); } mutex_unlock(&gvt->lock); return ret; @@ -200,14 +200,13 @@ int intel_vgpu_emulate_mmio_read(struct intel_vgpu *vgpu, uint64_t pa, ret = intel_vgpu_default_mmio_read(vgpu, offset, p_data, bytes); if (!vgpu->mmio.disable_warn_untrack) { - gvt_err("vgpu%d: read untracked MMIO %x(%dB) val %x\n", - vgpu->id, offset, bytes, *(u32 *)p_data); + gvt_vgpu_err("read untracked MMIO %x(%dB) val %x\n", + offset, bytes, *(u32 *)p_data); if (offset == 0x206c) { - gvt_err("------------------------------------------\n"); - gvt_err("vgpu%d: likely triggers a gfx reset\n", - vgpu->id); - gvt_err("------------------------------------------\n"); + gvt_vgpu_err("------------------------------------------\n"); + gvt_vgpu_err("likely triggers a gfx reset\n"); + gvt_vgpu_err("------------------------------------------\n"); vgpu->mmio.disable_warn_untrack = true; } } @@ -220,8 +219,8 @@ int intel_vgpu_emulate_mmio_read(struct intel_vgpu *vgpu, uint64_t pa, mutex_unlock(&gvt->lock); return 0; err: - gvt_err("vgpu%d: fail to emulate MMIO read %08x len %d\n", - vgpu->id, offset, bytes); + gvt_vgpu_err("fail to emulate MMIO read %08x len %d\n", + offset, bytes); mutex_unlock(&gvt->lock); return ret; } @@ -259,10 +258,11 @@ int intel_vgpu_emulate_mmio_write(struct intel_vgpu *vgpu, uint64_t pa, if (gp) { ret = gp->handler(gp, pa, p_data, bytes); if (ret) { - gvt_err("vgpu%d: guest page write error %d, " - "gfn 0x%lx, pa 0x%llx, var 0x%x, len %d\n", - vgpu->id, ret, - gp->gfn, pa, *(u32 *)p_data, bytes); + gvt_err("guest page write error %d, " + "gfn 0x%lx, pa 0x%llx, " + "var 0x%x, len %d\n", + ret, gp->gfn, pa, + *(u32 *)p_data, bytes); } mutex_unlock(&gvt->lock); return ret; @@ -329,8 +329,8 @@ int intel_vgpu_emulate_mmio_write(struct intel_vgpu *vgpu, uint64_t pa, /* all register bits are RO. */ if (ro_mask == ~(u64)0) { - gvt_err("vgpu%d: try to write RO reg %x\n", - vgpu->id, offset); + gvt_vgpu_err("try to write RO reg %x\n", + offset); ret = 0; goto out; } @@ -360,8 +360,8 @@ out: mutex_unlock(&gvt->lock); return 0; err: - gvt_err("vgpu%d: fail to emulate MMIO write %08x len %d\n", - vgpu->id, offset, bytes); + gvt_vgpu_err("fail to emulate MMIO write %08x len %d\n", offset, + bytes); mutex_unlock(&gvt->lock); return ret; } diff --git a/drivers/gpu/drm/i915/gvt/mmio.h b/drivers/gpu/drm/i915/gvt/mmio.h index 3bc620f..a3a0270 100644 --- a/drivers/gpu/drm/i915/gvt/mmio.h +++ b/drivers/gpu/drm/i915/gvt/mmio.h @@ -107,4 +107,7 @@ int intel_vgpu_default_mmio_read(struct intel_vgpu *vgpu, unsigned int offset, void *p_data, unsigned int bytes); int intel_vgpu_default_mmio_write(struct intel_vgpu *vgpu, unsigned int offset, void *p_data, unsigned int bytes); + +bool intel_gvt_in_force_nonpriv_whitelist(struct intel_gvt *gvt, + unsigned int offset); #endif diff --git a/drivers/gpu/drm/i915/gvt/opregion.c b/drivers/gpu/drm/i915/gvt/opregion.c index 5d1caf9..3117991 100644 --- a/drivers/gpu/drm/i915/gvt/opregion.c +++ b/drivers/gpu/drm/i915/gvt/opregion.c @@ -67,14 +67,15 @@ static int map_vgpu_opregion(struct intel_vgpu *vgpu, bool map) mfn = intel_gvt_hypervisor_virt_to_mfn(vgpu_opregion(vgpu)->va + i * PAGE_SIZE); if (mfn == INTEL_GVT_INVALID_ADDR) { - gvt_err("fail to get MFN from VA\n"); + gvt_vgpu_err("fail to get MFN from VA\n"); return -EINVAL; } ret = intel_gvt_hypervisor_map_gfn_to_mfn(vgpu, vgpu_opregion(vgpu)->gfn[i], mfn, 1, map); if (ret) { - gvt_err("fail to map GFN to MFN, errno: %d\n", ret); + gvt_vgpu_err("fail to map GFN to MFN, errno: %d\n", + ret); return ret; } } @@ -287,7 +288,7 @@ int intel_vgpu_emulate_opregion_request(struct intel_vgpu *vgpu, u32 swsci) parm = vgpu_opregion(vgpu)->va + INTEL_GVT_OPREGION_PARM; if (!(swsci & SWSCI_SCI_SELECT)) { - gvt_err("vgpu%d: requesting SMI service\n", vgpu->id); + gvt_vgpu_err("requesting SMI service\n"); return 0; } /* ignore non 0->1 trasitions */ @@ -300,9 +301,8 @@ int intel_vgpu_emulate_opregion_request(struct intel_vgpu *vgpu, u32 swsci) func = GVT_OPREGION_FUNC(*scic); subfunc = GVT_OPREGION_SUBFUNC(*scic); if (!querying_capabilities(*scic)) { - gvt_err("vgpu%d: requesting runtime service: func \"%s\"," + gvt_vgpu_err("requesting runtime service: func \"%s\"," " subfunc \"%s\"\n", - vgpu->id, opregion_func_name(func), opregion_subfunc_name(subfunc)); /* diff --git a/drivers/gpu/drm/i915/gvt/render.c b/drivers/gpu/drm/i915/gvt/render.c index 73f052a..0beb835 100644 --- a/drivers/gpu/drm/i915/gvt/render.c +++ b/drivers/gpu/drm/i915/gvt/render.c @@ -167,7 +167,7 @@ static void handle_tlb_pending_event(struct intel_vgpu *vgpu, int ring_id) I915_WRITE_FW(reg, 0x1); if (wait_for_atomic((I915_READ_FW(reg) == 0), 50)) - gvt_err("timeout in invalidate ring (%d) tlb\n", ring_id); + gvt_vgpu_err("timeout in invalidate ring (%d) tlb\n", ring_id); else vgpu_vreg(vgpu, regs[ring_id]) = 0; @@ -207,7 +207,7 @@ static void load_mocs(struct intel_vgpu *vgpu, int ring_id) l3_offset.reg = 0xb020; for (i = 0; i < 32; i++) { gen9_render_mocs_L3[i] = I915_READ(l3_offset); - I915_WRITE(l3_offset, vgpu_vreg(vgpu, offset)); + I915_WRITE(l3_offset, vgpu_vreg(vgpu, l3_offset)); POSTING_READ(l3_offset); l3_offset.reg += 4; } diff --git a/drivers/gpu/drm/i915/gvt/sched_policy.c b/drivers/gpu/drm/i915/gvt/sched_policy.c index 06c9584..34b9acd 100644 --- a/drivers/gpu/drm/i915/gvt/sched_policy.c +++ b/drivers/gpu/drm/i915/gvt/sched_policy.c @@ -101,7 +101,7 @@ struct tbs_sched_data { struct list_head runq_head; }; -#define GVT_DEFAULT_TIME_SLICE (1 * HZ / 1000) +#define GVT_DEFAULT_TIME_SLICE (msecs_to_jiffies(1)) static void tbs_sched_func(struct work_struct *work) { @@ -223,7 +223,7 @@ static void tbs_sched_start_schedule(struct intel_vgpu *vgpu) return; list_add_tail(&vgpu_data->list, &sched_data->runq_head); - schedule_delayed_work(&sched_data->work, sched_data->period); + schedule_delayed_work(&sched_data->work, 0); } static void tbs_sched_stop_schedule(struct intel_vgpu *vgpu) diff --git a/drivers/gpu/drm/i915/gvt/scheduler.c b/drivers/gpu/drm/i915/gvt/scheduler.c index d3a56c9..a447824 100644 --- a/drivers/gpu/drm/i915/gvt/scheduler.c +++ b/drivers/gpu/drm/i915/gvt/scheduler.c @@ -84,7 +84,7 @@ static int populate_shadow_context(struct intel_vgpu_workload *workload) (u32)((workload->ctx_desc.lrca + i) << GTT_PAGE_SHIFT)); if (context_gpa == INTEL_GVT_INVALID_ADDR) { - gvt_err("Invalid guest context descriptor\n"); + gvt_vgpu_err("Invalid guest context descriptor\n"); return -EINVAL; } @@ -127,19 +127,22 @@ static int populate_shadow_context(struct intel_vgpu_workload *workload) return 0; } +static inline bool is_gvt_request(struct drm_i915_gem_request *req) +{ + return i915_gem_context_force_single_submission(req->ctx); +} + static int shadow_context_status_change(struct notifier_block *nb, unsigned long action, void *data) { - struct intel_vgpu *vgpu = container_of(nb, - struct intel_vgpu, shadow_ctx_notifier_block); - struct drm_i915_gem_request *req = - (struct drm_i915_gem_request *)data; - struct intel_gvt_workload_scheduler *scheduler = - &vgpu->gvt->scheduler; + struct drm_i915_gem_request *req = (struct drm_i915_gem_request *)data; + struct intel_gvt *gvt = container_of(nb, struct intel_gvt, + shadow_ctx_notifier_block[req->engine->id]); + struct intel_gvt_workload_scheduler *scheduler = &gvt->scheduler; struct intel_vgpu_workload *workload = scheduler->current_workload[req->engine->id]; - if (unlikely(!workload)) + if (!is_gvt_request(req) || unlikely(!workload)) return NOTIFY_OK; switch (action) { @@ -175,7 +178,9 @@ static int dispatch_workload(struct intel_vgpu_workload *workload) int ring_id = workload->ring_id; struct i915_gem_context *shadow_ctx = workload->vgpu->shadow_ctx; struct drm_i915_private *dev_priv = workload->vgpu->gvt->dev_priv; + struct intel_engine_cs *engine = dev_priv->engine[ring_id]; struct drm_i915_gem_request *rq; + struct intel_vgpu *vgpu = workload->vgpu; int ret; gvt_dbg_sched("ring id %d prepare to dispatch workload %p\n", @@ -187,9 +192,24 @@ static int dispatch_workload(struct intel_vgpu_workload *workload) mutex_lock(&dev_priv->drm.struct_mutex); + /* pin shadow context by gvt even the shadow context will be pinned + * when i915 alloc request. That is because gvt will update the guest + * context from shadow context when workload is completed, and at that + * moment, i915 may already unpined the shadow context to make the + * shadow_ctx pages invalid. So gvt need to pin itself. After update + * the guest context, gvt can unpin the shadow_ctx safely. + */ + ret = engine->context_pin(engine, shadow_ctx); + if (ret) { + gvt_vgpu_err("fail to pin shadow context\n"); + workload->status = ret; + mutex_unlock(&dev_priv->drm.struct_mutex); + return ret; + } + rq = i915_gem_request_alloc(dev_priv->engine[ring_id], shadow_ctx); if (IS_ERR(rq)) { - gvt_err("fail to allocate gem request\n"); + gvt_vgpu_err("fail to allocate gem request\n"); ret = PTR_ERR(rq); goto out; } @@ -202,9 +222,12 @@ static int dispatch_workload(struct intel_vgpu_workload *workload) if (ret) goto out; - ret = intel_gvt_scan_and_shadow_wa_ctx(&workload->wa_ctx); - if (ret) - goto out; + if ((workload->ring_id == RCS) && + (workload->wa_ctx.indirect_ctx.size != 0)) { + ret = intel_gvt_scan_and_shadow_wa_ctx(&workload->wa_ctx); + if (ret) + goto out; + } ret = populate_shadow_context(workload); if (ret) @@ -227,6 +250,9 @@ out: if (!IS_ERR_OR_NULL(rq)) i915_add_request_no_flush(rq); + else + engine->context_unpin(engine, shadow_ctx); + mutex_unlock(&dev_priv->drm.struct_mutex); return ret; } @@ -322,7 +348,7 @@ static void update_guest_context(struct intel_vgpu_workload *workload) (u32)((workload->ctx_desc.lrca + i) << GTT_PAGE_SHIFT)); if (context_gpa == INTEL_GVT_INVALID_ADDR) { - gvt_err("invalid guest context descriptor\n"); + gvt_vgpu_err("invalid guest context descriptor\n"); return; } @@ -376,6 +402,10 @@ static void complete_current_workload(struct intel_gvt *gvt, int ring_id) * For the workload w/o request, directly complete the workload. */ if (workload->req) { + struct drm_i915_private *dev_priv = + workload->vgpu->gvt->dev_priv; + struct intel_engine_cs *engine = + dev_priv->engine[workload->ring_id]; wait_event(workload->shadow_ctx_status_wq, !atomic_read(&workload->shadow_ctx_active)); @@ -388,6 +418,10 @@ static void complete_current_workload(struct intel_gvt *gvt, int ring_id) INTEL_GVT_EVENT_MAX) intel_vgpu_trigger_virtual_event(vgpu, event); } + mutex_lock(&dev_priv->drm.struct_mutex); + /* unpin shadow ctx as the shadow_ctx update is done */ + engine->context_unpin(engine, workload->vgpu->shadow_ctx); + mutex_unlock(&dev_priv->drm.struct_mutex); } gvt_dbg_sched("ring id %d complete workload %p status %d\n", @@ -417,6 +451,7 @@ static int workload_thread(void *priv) int ring_id = p->ring_id; struct intel_gvt_workload_scheduler *scheduler = &gvt->scheduler; struct intel_vgpu_workload *workload = NULL; + struct intel_vgpu *vgpu = NULL; int ret; bool need_force_wake = IS_SKYLAKE(gvt->dev_priv); DEFINE_WAIT_FUNC(wait, woken_wake_function); @@ -459,25 +494,14 @@ static int workload_thread(void *priv) mutex_unlock(&gvt->lock); if (ret) { - gvt_err("fail to dispatch workload, skip\n"); + vgpu = workload->vgpu; + gvt_vgpu_err("fail to dispatch workload, skip\n"); goto complete; } gvt_dbg_sched("ring id %d wait workload %p\n", workload->ring_id, workload); -retry: - i915_wait_request(workload->req, - 0, MAX_SCHEDULE_TIMEOUT); - /* I915 has replay mechanism and a request will be replayed - * if there is i915 reset. So the seqno will be updated anyway. - * If the seqno is not updated yet after waiting, which means - * the replay may still be in progress and we can wait again. - */ - if (!i915_gem_request_completed(workload->req)) { - gvt_dbg_sched("workload %p not completed, wait again\n", - workload); - goto retry; - } + i915_wait_request(workload->req, 0, MAX_SCHEDULE_TIMEOUT); complete: gvt_dbg_sched("will complete workload %p, status: %d\n", @@ -513,15 +537,16 @@ void intel_gvt_wait_vgpu_idle(struct intel_vgpu *vgpu) void intel_gvt_clean_workload_scheduler(struct intel_gvt *gvt) { struct intel_gvt_workload_scheduler *scheduler = &gvt->scheduler; - int i; + struct intel_engine_cs *engine; + enum intel_engine_id i; gvt_dbg_core("clean workload scheduler\n"); - for (i = 0; i < I915_NUM_ENGINES; i++) { - if (scheduler->thread[i]) { - kthread_stop(scheduler->thread[i]); - scheduler->thread[i] = NULL; - } + for_each_engine(engine, gvt->dev_priv, i) { + atomic_notifier_chain_unregister( + &engine->context_status_notifier, + &gvt->shadow_ctx_notifier_block[i]); + kthread_stop(scheduler->thread[i]); } } @@ -529,18 +554,15 @@ int intel_gvt_init_workload_scheduler(struct intel_gvt *gvt) { struct intel_gvt_workload_scheduler *scheduler = &gvt->scheduler; struct workload_thread_param *param = NULL; + struct intel_engine_cs *engine; + enum intel_engine_id i; int ret; - int i; gvt_dbg_core("init workload scheduler\n"); init_waitqueue_head(&scheduler->workload_complete_wq); - for (i = 0; i < I915_NUM_ENGINES; i++) { - /* check ring mask at init time */ - if (!HAS_ENGINE(gvt->dev_priv, i)) - continue; - + for_each_engine(engine, gvt->dev_priv, i) { init_waitqueue_head(&scheduler->waitq[i]); param = kzalloc(sizeof(*param), GFP_KERNEL); @@ -559,6 +581,11 @@ int intel_gvt_init_workload_scheduler(struct intel_gvt *gvt) ret = PTR_ERR(scheduler->thread[i]); goto err; } + + gvt->shadow_ctx_notifier_block[i].notifier_call = + shadow_context_status_change; + atomic_notifier_chain_register(&engine->context_status_notifier, + &gvt->shadow_ctx_notifier_block[i]); } return 0; err: @@ -570,9 +597,6 @@ err: void intel_vgpu_clean_gvt_context(struct intel_vgpu *vgpu) { - atomic_notifier_chain_unregister(&vgpu->shadow_ctx->status_notifier, - &vgpu->shadow_ctx_notifier_block); - i915_gem_context_put_unlocked(vgpu->shadow_ctx); } @@ -587,10 +611,5 @@ int intel_vgpu_init_gvt_context(struct intel_vgpu *vgpu) vgpu->shadow_ctx->engine[RCS].initialised = true; - vgpu->shadow_ctx_notifier_block.notifier_call = - shadow_context_status_change; - - atomic_notifier_chain_register(&vgpu->shadow_ctx->status_notifier, - &vgpu->shadow_ctx_notifier_block); return 0; } diff --git a/drivers/gpu/drm/i915/gvt/vgpu.c b/drivers/gpu/drm/i915/gvt/vgpu.c index 41cfa5c..649ef28 100644 --- a/drivers/gpu/drm/i915/gvt/vgpu.c +++ b/drivers/gpu/drm/i915/gvt/vgpu.c @@ -72,7 +72,7 @@ static struct { char *name; } vgpu_types[] = { /* Fixed vGPU type table */ - { MB_TO_BYTES(64), MB_TO_BYTES(512), 4, GVT_EDID_1024_768, "8" }, + { MB_TO_BYTES(64), MB_TO_BYTES(384), 4, GVT_EDID_1024_768, "8" }, { MB_TO_BYTES(128), MB_TO_BYTES(512), 4, GVT_EDID_1920_1200, "4" }, { MB_TO_BYTES(256), MB_TO_BYTES(1024), 4, GVT_EDID_1920_1200, "2" }, { MB_TO_BYTES(512), MB_TO_BYTES(2048), 4, GVT_EDID_1920_1200, "1" }, @@ -179,20 +179,34 @@ static void intel_gvt_update_vgpu_types(struct intel_gvt *gvt) } /** - * intel_gvt_destroy_vgpu - destroy a virtual GPU + * intel_gvt_active_vgpu - activate a virtual GPU * @vgpu: virtual GPU * - * This function is called when user wants to destroy a virtual GPU. + * This function is called when user wants to activate a virtual GPU. * */ -void intel_gvt_destroy_vgpu(struct intel_vgpu *vgpu) +void intel_gvt_activate_vgpu(struct intel_vgpu *vgpu) +{ + mutex_lock(&vgpu->gvt->lock); + vgpu->active = true; + mutex_unlock(&vgpu->gvt->lock); +} + +/** + * intel_gvt_deactive_vgpu - deactivate a virtual GPU + * @vgpu: virtual GPU + * + * This function is called when user wants to deactivate a virtual GPU. + * All virtual GPU runtime information will be destroyed. + * + */ +void intel_gvt_deactivate_vgpu(struct intel_vgpu *vgpu) { struct intel_gvt *gvt = vgpu->gvt; mutex_lock(&gvt->lock); vgpu->active = false; - idr_remove(&gvt->vgpu_idr, vgpu->id); if (atomic_read(&vgpu->running_workload_num)) { mutex_unlock(&gvt->lock); @@ -201,6 +215,26 @@ void intel_gvt_destroy_vgpu(struct intel_vgpu *vgpu) } intel_vgpu_stop_schedule(vgpu); + + mutex_unlock(&gvt->lock); +} + +/** + * intel_gvt_destroy_vgpu - destroy a virtual GPU + * @vgpu: virtual GPU + * + * This function is called when user wants to destroy a virtual GPU. + * + */ +void intel_gvt_destroy_vgpu(struct intel_vgpu *vgpu) +{ + struct intel_gvt *gvt = vgpu->gvt; + + mutex_lock(&gvt->lock); + + WARN(vgpu->active, "vGPU is still active!\n"); + + idr_remove(&gvt->vgpu_idr, vgpu->id); intel_vgpu_clean_sched_policy(vgpu); intel_vgpu_clean_gvt_context(vgpu); intel_vgpu_clean_execlist(vgpu); @@ -277,7 +311,6 @@ static struct intel_vgpu *__intel_gvt_create_vgpu(struct intel_gvt *gvt, if (ret) goto out_clean_shadow_ctx; - vgpu->active = true; mutex_unlock(&gvt->lock); return vgpu; diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index e703556..5c089b3 100644 --- a/drivers/gpu/drm/i915/i915_drv.c +++ b/drivers/gpu/drm/i915/i915_drv.c @@ -248,6 +248,7 @@ static int i915_getparam(struct drm_device *dev, void *data, case I915_PARAM_IRQ_ACTIVE: case I915_PARAM_ALLOW_BATCHBUFFER: case I915_PARAM_LAST_DISPATCH: + case I915_PARAM_HAS_EXEC_CONSTANTS: /* Reject all old ums/dri params. */ return -ENODEV; case I915_PARAM_CHIPSET_ID: @@ -274,9 +275,6 @@ static int i915_getparam(struct drm_device *dev, void *data, case I915_PARAM_HAS_BSD2: value = !!dev_priv->engine[VCS2]; break; - case I915_PARAM_HAS_EXEC_CONSTANTS: - value = INTEL_GEN(dev_priv) >= 4; - break; case I915_PARAM_HAS_LLC: value = HAS_LLC(dev_priv); break; @@ -1436,8 +1434,6 @@ static int i915_drm_suspend(struct drm_device *dev) goto out; } - intel_guc_suspend(dev_priv); - intel_display_suspend(dev); intel_dp_mst_suspend(dev); @@ -1788,7 +1784,7 @@ void i915_reset(struct drm_i915_private *dev_priv) goto error; } - i915_gem_reset_finish(dev_priv); + i915_gem_reset(dev_priv); intel_overlay_reset(dev_priv); /* Ok, now get things going again... */ @@ -1814,6 +1810,7 @@ void i915_reset(struct drm_i915_private *dev_priv) i915_queue_hangcheck(dev_priv); wakeup: + i915_gem_reset_finish(dev_priv); enable_irq(dev_priv->drm.irq); wake_up_bit(&error->flags, I915_RESET_IN_PROGRESS); return; diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 0a4b42d..46fcd8b 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -293,6 +293,7 @@ enum plane_id { PLANE_PRIMARY, PLANE_SPRITE0, PLANE_SPRITE1, + PLANE_SPRITE2, PLANE_CURSOR, I915_MAX_PLANES, }; @@ -805,6 +806,7 @@ struct intel_csr { func(has_resource_streamer); \ func(has_runtime_pm); \ func(has_snoop); \ + func(unfenced_needs_alignment); \ func(cursor_needs_physical); \ func(hws_needs_physical); \ func(overlay_needs_physical); \ @@ -1324,7 +1326,7 @@ struct intel_gen6_power_mgmt { unsigned boosts; /* manual wa residency calculations */ - struct intel_rps_ei up_ei, down_ei; + struct intel_rps_ei ei; /* * Protects RPS/RC6 register access and PCU communication. @@ -2063,8 +2065,6 @@ struct drm_i915_private { const struct intel_device_info info; - int relative_constants_mode; - void __iomem *regs; struct intel_uncore uncore; @@ -3341,6 +3341,7 @@ static inline u32 i915_reset_count(struct i915_gpu_error *error) } int i915_gem_reset_prepare(struct drm_i915_private *dev_priv); +void i915_gem_reset(struct drm_i915_private *dev_priv); void i915_gem_reset_finish(struct drm_i915_private *dev_priv); void i915_gem_set_wedged(struct drm_i915_private *dev_priv); void i915_gem_clflush_object(struct drm_i915_gem_object *obj, bool force); diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 6908123..fe531f9 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -1434,6 +1434,12 @@ i915_gem_pwrite_ioctl(struct drm_device *dev, void *data, trace_i915_gem_object_pwrite(obj, args->offset, args->size); + ret = -ENODEV; + if (obj->ops->pwrite) + ret = obj->ops->pwrite(obj, args); + if (ret != -ENODEV) + goto err; + ret = i915_gem_object_wait(obj, I915_WAIT_INTERRUPTIBLE | I915_WAIT_ALL, @@ -2119,6 +2125,7 @@ i915_gem_object_truncate(struct drm_i915_gem_object *obj) */ shmem_truncate_range(file_inode(obj->base.filp), 0, (loff_t)-1); obj->mm.madv = __I915_MADV_PURGED; + obj->mm.pages = ERR_PTR(-EFAULT); } /* Try to discard unwanted pages */ @@ -2218,7 +2225,9 @@ void __i915_gem_object_put_pages(struct drm_i915_gem_object *obj, __i915_gem_object_reset_page_iter(obj); - obj->ops->put_pages(obj, pages); + if (!IS_ERR(pages)) + obj->ops->put_pages(obj, pages); + unlock: mutex_unlock(&obj->mm.lock); } @@ -2437,7 +2446,7 @@ int __i915_gem_object_get_pages(struct drm_i915_gem_object *obj) if (err) return err; - if (unlikely(!obj->mm.pages)) { + if (unlikely(IS_ERR_OR_NULL(obj->mm.pages))) { err = ____i915_gem_object_get_pages(obj); if (err) goto unlock; @@ -2515,7 +2524,7 @@ void *i915_gem_object_pin_map(struct drm_i915_gem_object *obj, pinned = true; if (!atomic_inc_not_zero(&obj->mm.pages_pin_count)) { - if (unlikely(!obj->mm.pages)) { + if (unlikely(IS_ERR_OR_NULL(obj->mm.pages))) { ret = ____i915_gem_object_get_pages(obj); if (ret) goto err_unlock; @@ -2563,6 +2572,75 @@ err_unlock: goto out_unlock; } +static int +i915_gem_object_pwrite_gtt(struct drm_i915_gem_object *obj, + const struct drm_i915_gem_pwrite *arg) +{ + struct address_space *mapping = obj->base.filp->f_mapping; + char __user *user_data = u64_to_user_ptr(arg->data_ptr); + u64 remain, offset; + unsigned int pg; + + /* Before we instantiate/pin the backing store for our use, we + * can prepopulate the shmemfs filp efficiently using a write into + * the pagecache. We avoid the penalty of instantiating all the + * pages, important if the user is just writing to a few and never + * uses the object on the GPU, and using a direct write into shmemfs + * allows it to avoid the cost of retrieving a page (either swapin + * or clearing-before-use) before it is overwritten. + */ + if (READ_ONCE(obj->mm.pages)) + return -ENODEV; + + /* Before the pages are instantiated the object is treated as being + * in the CPU domain. The pages will be clflushed as required before + * use, and we can freely write into the pages directly. If userspace + * races pwrite with any other operation; corruption will ensue - + * that is userspace's prerogative! + */ + + remain = arg->size; + offset = arg->offset; + pg = offset_in_page(offset); + + do { + unsigned int len, unwritten; + struct page *page; + void *data, *vaddr; + int err; + + len = PAGE_SIZE - pg; + if (len > remain) + len = remain; + + err = pagecache_write_begin(obj->base.filp, mapping, + offset, len, 0, + &page, &data); + if (err < 0) + return err; + + vaddr = kmap(page); + unwritten = copy_from_user(vaddr + pg, user_data, len); + kunmap(page); + + err = pagecache_write_end(obj->base.filp, mapping, + offset, len, len - unwritten, + page, data); + if (err < 0) + return err; + + if (unwritten) + return -EFAULT; + + remain -= len; + user_data += len; + offset += len; + pg = 0; + } while (remain); + + return 0; +} + static bool ban_context(const struct i915_gem_context *ctx) { return (i915_gem_context_is_bannable(ctx) && @@ -2641,7 +2719,16 @@ int i915_gem_reset_prepare(struct drm_i915_private *dev_priv) for_each_engine(engine, dev_priv, id) { struct drm_i915_gem_request *request; + /* Prevent request submission to the hardware until we have + * completed the reset in i915_gem_reset_finish(). If a request + * is completed by one engine, it may then queue a request + * to a second via its engine->irq_tasklet *just* as we are + * calling engine->init_hw() and also writing the ELSP. + * Turning off the engine->irq_tasklet until the reset is over + * prevents the race. + */ tasklet_kill(&engine->irq_tasklet); + tasklet_disable(&engine->irq_tasklet); if (engine_stalled(engine)) { request = i915_gem_find_active_request(engine); @@ -2756,7 +2843,7 @@ static void i915_gem_reset_engine(struct intel_engine_cs *engine) engine->reset_hw(engine, request); } -void i915_gem_reset_finish(struct drm_i915_private *dev_priv) +void i915_gem_reset(struct drm_i915_private *dev_priv) { struct intel_engine_cs *engine; enum intel_engine_id id; @@ -2778,6 +2865,17 @@ void i915_gem_reset_finish(struct drm_i915_private *dev_priv) } } +void i915_gem_reset_finish(struct drm_i915_private *dev_priv) +{ + struct intel_engine_cs *engine; + enum intel_engine_id id; + + lockdep_assert_held(&dev_priv->drm.struct_mutex); + + for_each_engine(engine, dev_priv, id) + tasklet_enable(&engine->irq_tasklet); +} + static void nop_submit_request(struct drm_i915_gem_request *request) { dma_fence_set_error(&request->fence, -EIO); @@ -3029,6 +3127,16 @@ i915_gem_wait_ioctl(struct drm_device *dev, void *data, struct drm_file *file) args->timeout_ns -= ktime_to_ns(ktime_sub(ktime_get(), start)); if (args->timeout_ns < 0) args->timeout_ns = 0; + + /* + * Apparently ktime isn't accurate enough and occasionally has a + * bit of mismatch in the jiffies<->nsecs<->ktime loop. So patch + * things up to make the test happy. We allow up to 1 jiffy. + * + * This is a regression from the timespec->ktime conversion. + */ + if (ret == -ETIME && !nsecs_to_jiffies(args->timeout_ns)) + args->timeout_ns = 0; } i915_gem_object_put(obj); @@ -3974,8 +4082,11 @@ void i915_gem_object_init(struct drm_i915_gem_object *obj, static const struct drm_i915_gem_object_ops i915_gem_object_ops = { .flags = I915_GEM_OBJECT_HAS_STRUCT_PAGE | I915_GEM_OBJECT_IS_SHRINKABLE, + .get_pages = i915_gem_object_get_pages_gtt, .put_pages = i915_gem_object_put_pages_gtt, + + .pwrite = i915_gem_object_pwrite_gtt, }; struct drm_i915_gem_object * @@ -4237,6 +4348,8 @@ int i915_gem_suspend(struct drm_i915_private *dev_priv) i915_gem_context_lost(dev_priv); mutex_unlock(&dev->struct_mutex); + intel_guc_suspend(dev_priv); + cancel_delayed_work_sync(&dev_priv->gpu_error.hangcheck_work); cancel_delayed_work_sync(&dev_priv->gt.retire_work); @@ -4583,8 +4696,6 @@ i915_gem_load_init(struct drm_i915_private *dev_priv) init_waitqueue_head(&dev_priv->gpu_error.wait_queue); init_waitqueue_head(&dev_priv->gpu_error.reset_queue); - dev_priv->relative_constants_mode = I915_EXEC_CONSTANTS_REL_GENERAL; - init_waitqueue_head(&dev_priv->pending_flip_queue); dev_priv->mm.interruptible = true; diff --git a/drivers/gpu/drm/i915/i915_gem_context.c b/drivers/gpu/drm/i915/i915_gem_context.c index 17f90c6..e2d83b6 100644 --- a/drivers/gpu/drm/i915/i915_gem_context.c +++ b/drivers/gpu/drm/i915/i915_gem_context.c @@ -311,7 +311,6 @@ __create_hw_context(struct drm_i915_private *dev_priv, ctx->ring_size = 4 * PAGE_SIZE; ctx->desc_template = GEN8_CTX_ADDRESSING_MODE(dev_priv) << GEN8_CTX_ADDRESSING_MODE_SHIFT; - ATOMIC_INIT_NOTIFIER_HEAD(&ctx->status_notifier); /* GuC requires the ring to be placed above GUC_WOPCM_TOP. If GuC is not * present or not in use we still need a small bias as ring wraparound diff --git a/drivers/gpu/drm/i915/i915_gem_context.h b/drivers/gpu/drm/i915/i915_gem_context.h index 0ac750b..e9c008f 100644 --- a/drivers/gpu/drm/i915/i915_gem_context.h +++ b/drivers/gpu/drm/i915/i915_gem_context.h @@ -160,9 +160,6 @@ struct i915_gem_context { /** desc_template: invariant fields for the HW context descriptor */ u32 desc_template; - /** status_notifier: list of callbacks for context-switch changes */ - struct atomic_notifier_head status_notifier; - /** guilty_count: How many times this context has caused a GPU hang. */ unsigned int guilty_count; /** diff --git a/drivers/gpu/drm/i915/i915_gem_evict.c b/drivers/gpu/drm/i915/i915_gem_evict.c index c181b1b..3be2503 100644 --- a/drivers/gpu/drm/i915/i915_gem_evict.c +++ b/drivers/gpu/drm/i915/i915_gem_evict.c @@ -293,12 +293,12 @@ int i915_gem_evict_for_node(struct i915_address_space *vm, * those as well to make room for our guard pages. */ if (check_color) { - if (vma->node.start + vma->node.size == node->start) { - if (vma->node.color == node->color) + if (node->start + node->size == target->start) { + if (node->color == target->color) continue; } - if (vma->node.start == node->start + node->size) { - if (vma->node.color == node->color) + if (node->start == target->start + target->size) { + if (node->color == target->color) continue; } } diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c index d02cfae..15a15d0 100644 --- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c +++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c @@ -888,6 +888,7 @@ i915_gem_execbuffer_reserve(struct intel_engine_cs *engine, struct list_head ordered_vmas; struct list_head pinned_vmas; bool has_fenced_gpu_access = INTEL_GEN(engine->i915) < 4; + bool needs_unfenced_map = INTEL_INFO(engine->i915)->unfenced_needs_alignment; int retry; vm = list_first_entry(vmas, struct i915_vma, exec_list)->vm; @@ -908,7 +909,8 @@ i915_gem_execbuffer_reserve(struct intel_engine_cs *engine, if (!has_fenced_gpu_access) entry->flags &= ~EXEC_OBJECT_NEEDS_FENCE; need_fence = - entry->flags & EXEC_OBJECT_NEEDS_FENCE && + (entry->flags & EXEC_OBJECT_NEEDS_FENCE || + needs_unfenced_map) && i915_gem_object_is_tiled(obj); need_mappable = need_fence || need_reloc_mappable(vma); @@ -1408,10 +1410,7 @@ execbuf_submit(struct i915_execbuffer_params *params, struct drm_i915_gem_execbuffer2 *args, struct list_head *vmas) { - struct drm_i915_private *dev_priv = params->request->i915; u64 exec_start, exec_len; - int instp_mode; - u32 instp_mask; int ret; ret = i915_gem_execbuffer_move_to_gpu(params->request, vmas); @@ -1422,56 +1421,11 @@ execbuf_submit(struct i915_execbuffer_params *params, if (ret) return ret; - instp_mode = args->flags & I915_EXEC_CONSTANTS_MASK; - instp_mask = I915_EXEC_CONSTANTS_MASK; - switch (instp_mode) { - case I915_EXEC_CONSTANTS_REL_GENERAL: - case I915_EXEC_CONSTANTS_ABSOLUTE: - case I915_EXEC_CONSTANTS_REL_SURFACE: - if (instp_mode != 0 && params->engine->id != RCS) { - DRM_DEBUG("non-0 rel constants mode on non-RCS\n"); - return -EINVAL; - } - - if (instp_mode != dev_priv->relative_constants_mode) { - if (INTEL_INFO(dev_priv)->gen < 4) { - DRM_DEBUG("no rel constants on pre-gen4\n"); - return -EINVAL; - } - - if (INTEL_INFO(dev_priv)->gen > 5 && - instp_mode == I915_EXEC_CONSTANTS_REL_SURFACE) { - DRM_DEBUG("rel surface constants mode invalid on gen5+\n"); - return -EINVAL; - } - - /* The HW changed the meaning on this bit on gen6 */ - if (INTEL_INFO(dev_priv)->gen >= 6) - instp_mask &= ~I915_EXEC_CONSTANTS_REL_SURFACE; - } - break; - default: - DRM_DEBUG("execbuf with unknown constants: %d\n", instp_mode); + if (args->flags & I915_EXEC_CONSTANTS_MASK) { + DRM_DEBUG("I915_EXEC_CONSTANTS_* unsupported\n"); return -EINVAL; } - if (params->engine->id == RCS && - instp_mode != dev_priv->relative_constants_mode) { - struct intel_ring *ring = params->request->ring; - - ret = intel_ring_begin(params->request, 4); - if (ret) - return ret; - - intel_ring_emit(ring, MI_NOOP); - intel_ring_emit(ring, MI_LOAD_REGISTER_IMM(1)); - intel_ring_emit_reg(ring, INSTPM); - intel_ring_emit(ring, instp_mask << 16 | instp_mode); - intel_ring_advance(ring); - - dev_priv->relative_constants_mode = instp_mode; - } - if (args->flags & I915_EXEC_GEN7_SOL_RESET) { ret = i915_reset_gen7_sol_offsets(params->request); if (ret) diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c index 2801a4d..96e45a4 100644 --- a/drivers/gpu/drm/i915/i915_gem_gtt.c +++ b/drivers/gpu/drm/i915/i915_gem_gtt.c @@ -2704,7 +2704,7 @@ void i915_gem_gtt_finish_pages(struct drm_i915_gem_object *obj, struct i915_ggtt *ggtt = &dev_priv->ggtt; if (unlikely(ggtt->do_idle_maps)) { - if (i915_gem_wait_for_idle(dev_priv, I915_WAIT_LOCKED)) { + if (i915_gem_wait_for_idle(dev_priv, 0)) { DRM_ERROR("Failed to wait for idle; VT'd may hang.\n"); /* Wait a bit, in hopes it avoids the hang */ udelay(10); diff --git a/drivers/gpu/drm/i915/i915_gem_object.h b/drivers/gpu/drm/i915/i915_gem_object.h index bf90b07..76b80a0 100644 --- a/drivers/gpu/drm/i915/i915_gem_object.h +++ b/drivers/gpu/drm/i915/i915_gem_object.h @@ -54,6 +54,9 @@ struct drm_i915_gem_object_ops { struct sg_table *(*get_pages)(struct drm_i915_gem_object *); void (*put_pages)(struct drm_i915_gem_object *, struct sg_table *); + int (*pwrite)(struct drm_i915_gem_object *, + const struct drm_i915_gem_pwrite *); + int (*dmabuf_export)(struct drm_i915_gem_object *); void (*release)(struct drm_i915_gem_object *); }; diff --git a/drivers/gpu/drm/i915/i915_gem_request.c b/drivers/gpu/drm/i915/i915_gem_request.c index e7c3c03..da70bfe 100644 --- a/drivers/gpu/drm/i915/i915_gem_request.c +++ b/drivers/gpu/drm/i915/i915_gem_request.c @@ -37,6 +37,17 @@ static const char *i915_fence_get_driver_name(struct dma_fence *fence) static const char *i915_fence_get_timeline_name(struct dma_fence *fence) { + /* The timeline struct (as part of the ppgtt underneath a context) + * may be freed when the request is no longer in use by the GPU. + * We could extend the life of a context to beyond that of all + * fences, possibly keeping the hw resource around indefinitely, + * or we just give them a false name. Since + * dma_fence_ops.get_timeline_name is a debug feature, the occasional + * lie seems justifiable. + */ + if (test_bit(DMA_FENCE_FLAG_SIGNALED_BIT, &fence->flags)) + return "signaled"; + return to_request(fence)->timeline->common->name; } diff --git a/drivers/gpu/drm/i915/i915_gem_shrinker.c b/drivers/gpu/drm/i915/i915_gem_shrinker.c index 401006b..70b3832 100644 --- a/drivers/gpu/drm/i915/i915_gem_shrinker.c +++ b/drivers/gpu/drm/i915/i915_gem_shrinker.c @@ -53,6 +53,17 @@ static bool i915_gem_shrinker_lock(struct drm_device *dev, bool *unlock) BUG(); } +static void i915_gem_shrinker_unlock(struct drm_device *dev, bool unlock) +{ + if (!unlock) + return; + + mutex_unlock(&dev->struct_mutex); + + /* expedite the RCU grace period to free some request slabs */ + synchronize_rcu_expedited(); +} + static bool any_vma_pinned(struct drm_i915_gem_object *obj) { struct i915_vma *vma; @@ -232,11 +243,8 @@ i915_gem_shrink(struct drm_i915_private *dev_priv, intel_runtime_pm_put(dev_priv); i915_gem_retire_requests(dev_priv); - if (unlock) - mutex_unlock(&dev_priv->drm.struct_mutex); - /* expedite the RCU grace period to free some request slabs */ - synchronize_rcu_expedited(); + i915_gem_shrinker_unlock(&dev_priv->drm, unlock); return count; } @@ -263,7 +271,7 @@ unsigned long i915_gem_shrink_all(struct drm_i915_private *dev_priv) I915_SHRINK_BOUND | I915_SHRINK_UNBOUND | I915_SHRINK_ACTIVE); - rcu_barrier(); /* wait until our RCU delayed slab frees are completed */ + synchronize_rcu(); /* wait for our earlier RCU delayed slab frees */ return freed; } @@ -293,8 +301,7 @@ i915_gem_shrinker_count(struct shrinker *shrinker, struct shrink_control *sc) count += obj->base.size >> PAGE_SHIFT; } - if (unlock) - mutex_unlock(&dev->struct_mutex); + i915_gem_shrinker_unlock(dev, unlock); return count; } @@ -321,8 +328,8 @@ i915_gem_shrinker_scan(struct shrinker *shrinker, struct shrink_control *sc) sc->nr_to_scan - freed, I915_SHRINK_BOUND | I915_SHRINK_UNBOUND); - if (unlock) - mutex_unlock(&dev->struct_mutex); + + i915_gem_shrinker_unlock(dev, unlock); return freed; } @@ -364,8 +371,7 @@ i915_gem_shrinker_unlock_uninterruptible(struct drm_i915_private *dev_priv, struct shrinker_lock_uninterruptible *slu) { dev_priv->mm.interruptible = slu->was_interruptible; - if (slu->unlock) - mutex_unlock(&dev_priv->drm.struct_mutex); + i915_gem_shrinker_unlock(&dev_priv->drm, slu->unlock); } static int diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index e6ffef2..b6c886a 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -1046,68 +1046,51 @@ static void vlv_c0_read(struct drm_i915_private *dev_priv, ei->media_c0 = I915_READ(VLV_MEDIA_C0_COUNT); } -static bool vlv_c0_above(struct drm_i915_private *dev_priv, - const struct intel_rps_ei *old, - const struct intel_rps_ei *now, - int threshold) -{ - u64 time, c0; - unsigned int mul = 100; - - if (old->cz_clock == 0) - return false; - - if (I915_READ(VLV_COUNTER_CONTROL) & VLV_COUNT_RANGE_HIGH) - mul <<= 8; - - time = now->cz_clock - old->cz_clock; - time *= threshold * dev_priv->czclk_freq; - - /* Workload can be split between render + media, e.g. SwapBuffers - * being blitted in X after being rendered in mesa. To account for - * this we need to combine both engines into our activity counter. - */ - c0 = now->render_c0 - old->render_c0; - c0 += now->media_c0 - old->media_c0; - c0 *= mul * VLV_CZ_CLOCK_TO_MILLI_SEC; - - return c0 >= time; -} - void gen6_rps_reset_ei(struct drm_i915_private *dev_priv) { - vlv_c0_read(dev_priv, &dev_priv->rps.down_ei); - dev_priv->rps.up_ei = dev_priv->rps.down_ei; + memset(&dev_priv->rps.ei, 0, sizeof(dev_priv->rps.ei)); } static u32 vlv_wa_c0_ei(struct drm_i915_private *dev_priv, u32 pm_iir) { + const struct intel_rps_ei *prev = &dev_priv->rps.ei; struct intel_rps_ei now; u32 events = 0; - if ((pm_iir & (GEN6_PM_RP_DOWN_EI_EXPIRED | GEN6_PM_RP_UP_EI_EXPIRED)) == 0) + if ((pm_iir & GEN6_PM_RP_UP_EI_EXPIRED) == 0) return 0; vlv_c0_read(dev_priv, &now); if (now.cz_clock == 0) return 0; - if (pm_iir & GEN6_PM_RP_DOWN_EI_EXPIRED) { - if (!vlv_c0_above(dev_priv, - &dev_priv->rps.down_ei, &now, - dev_priv->rps.down_threshold)) - events |= GEN6_PM_RP_DOWN_THRESHOLD; - dev_priv->rps.down_ei = now; - } + if (prev->cz_clock) { + u64 time, c0; + unsigned int mul; + + mul = VLV_CZ_CLOCK_TO_MILLI_SEC * 100; /* scale to threshold% */ + if (I915_READ(VLV_COUNTER_CONTROL) & VLV_COUNT_RANGE_HIGH) + mul <<= 8; - if (pm_iir & GEN6_PM_RP_UP_EI_EXPIRED) { - if (vlv_c0_above(dev_priv, - &dev_priv->rps.up_ei, &now, - dev_priv->rps.up_threshold)) - events |= GEN6_PM_RP_UP_THRESHOLD; - dev_priv->rps.up_ei = now; + time = now.cz_clock - prev->cz_clock; + time *= dev_priv->czclk_freq; + + /* Workload can be split between render + media, + * e.g. SwapBuffers being blitted in X after being rendered in + * mesa. To account for this we need to combine both engines + * into our activity counter. + */ + c0 = now.render_c0 - prev->render_c0; + c0 += now.media_c0 - prev->media_c0; + c0 *= mul; + + if (c0 > time * dev_priv->rps.up_threshold) + events = GEN6_PM_RP_UP_THRESHOLD; + else if (c0 < time * dev_priv->rps.down_threshold) + events = GEN6_PM_RP_DOWN_THRESHOLD; } + dev_priv->rps.ei = now; return events; } @@ -4228,7 +4211,7 @@ void intel_irq_init(struct drm_i915_private *dev_priv) /* Let's track the enabled rps events */ if (IS_VALLEYVIEW(dev_priv)) /* WaGsvRC0ResidencyMethod:vlv */ - dev_priv->pm_rps_events = GEN6_PM_RP_DOWN_EI_EXPIRED | GEN6_PM_RP_UP_EI_EXPIRED; + dev_priv->pm_rps_events = GEN6_PM_RP_UP_EI_EXPIRED; else dev_priv->pm_rps_events = GEN6_PM_RPS_EVENTS; @@ -4266,6 +4249,16 @@ void intel_irq_init(struct drm_i915_private *dev_priv) if (!IS_GEN2(dev_priv)) dev->vblank_disable_immediate = true; + /* Most platforms treat the display irq block as an always-on + * power domain. vlv/chv can disable it at runtime and need + * special care to avoid writing any of the display block registers + * outside of the power domain. We defer setting up the display irqs + * in this case to the runtime pm. + */ + dev_priv->display_irqs_enabled = true; + if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) + dev_priv->display_irqs_enabled = false; + dev->driver->get_vblank_timestamp = i915_get_vblank_timestamp; dev->driver->get_scanout_position = i915_get_crtc_scanoutpos; diff --git a/drivers/gpu/drm/i915/i915_pci.c b/drivers/gpu/drm/i915/i915_pci.c index ecb487b..9bbbd4e 100644 --- a/drivers/gpu/drm/i915/i915_pci.c +++ b/drivers/gpu/drm/i915/i915_pci.c @@ -60,6 +60,7 @@ .has_overlay = 1, .overlay_needs_physical = 1, \ .has_gmch_display = 1, \ .hws_needs_physical = 1, \ + .unfenced_needs_alignment = 1, \ .ring_mask = RENDER_RING, \ GEN_DEFAULT_PIPEOFFSETS, \ CURSOR_OFFSETS @@ -101,6 +102,7 @@ static const struct intel_device_info intel_i915g_info = { .platform = INTEL_I915G, .cursor_needs_physical = 1, .has_overlay = 1, .overlay_needs_physical = 1, .hws_needs_physical = 1, + .unfenced_needs_alignment = 1, }; static const struct intel_device_info intel_i915gm_info = { @@ -112,6 +114,7 @@ static const struct intel_device_info intel_i915gm_info = { .supports_tv = 1, .has_fbc = 1, .hws_needs_physical = 1, + .unfenced_needs_alignment = 1, }; static const struct intel_device_info intel_i945g_info = { @@ -120,6 +123,7 @@ static const struct intel_device_info intel_i945g_info = { .has_hotplug = 1, .cursor_needs_physical = 1, .has_overlay = 1, .overlay_needs_physical = 1, .hws_needs_physical = 1, + .unfenced_needs_alignment = 1, }; static const struct intel_device_info intel_i945gm_info = { @@ -130,6 +134,7 @@ static const struct intel_device_info intel_i945gm_info = { .supports_tv = 1, .has_fbc = 1, .hws_needs_physical = 1, + .unfenced_needs_alignment = 1, }; static const struct intel_device_info intel_g33_info = { diff --git a/drivers/gpu/drm/i915/i915_perf.c b/drivers/gpu/drm/i915/i915_perf.c index a1b7eec..70964ca 100644 --- a/drivers/gpu/drm/i915/i915_perf.c +++ b/drivers/gpu/drm/i915/i915_perf.c @@ -1705,7 +1705,7 @@ i915_perf_open_ioctl_locked(struct drm_i915_private *dev_priv, */ if (WARN_ON(stream->sample_flags != props->sample_flags)) { ret = -ENODEV; - goto err_alloc; + goto err_flags; } list_add(&stream->link, &dev_priv->perf.streams); @@ -1728,6 +1728,7 @@ i915_perf_open_ioctl_locked(struct drm_i915_private *dev_priv, err_open: list_del(&stream->link); +err_flags: if (stream->ops->destroy) stream->ops->destroy(stream); err_alloc: @@ -1793,6 +1794,11 @@ static int read_properties_unlocked(struct drm_i915_private *dev_priv, if (ret) return ret; + if (id == 0 || id >= DRM_I915_PERF_PROP_MAX) { + DRM_DEBUG("Unknown i915 perf property ID\n"); + return -EINVAL; + } + switch ((enum drm_i915_perf_property_id)id) { case DRM_I915_PERF_PROP_CTX_HANDLE: props->single_context = 1; @@ -1862,9 +1868,8 @@ static int read_properties_unlocked(struct drm_i915_private *dev_priv, props->oa_periodic = true; props->oa_period_exponent = value; break; - default: + case DRM_I915_PERF_PROP_MAX: MISSING_CASE(id); - DRM_DEBUG("Unknown i915 perf property ID\n"); return -EINVAL; } diff --git a/drivers/gpu/drm/i915/i915_vma.c b/drivers/gpu/drm/i915/i915_vma.c index 155906e..df20e9b 100644 --- a/drivers/gpu/drm/i915/i915_vma.c +++ b/drivers/gpu/drm/i915/i915_vma.c @@ -512,10 +512,36 @@ err_unpin: return ret; } +static void +i915_vma_remove(struct i915_vma *vma) +{ + struct drm_i915_gem_object *obj = vma->obj; + + GEM_BUG_ON(!drm_mm_node_allocated(&vma->node)); + GEM_BUG_ON(vma->flags & (I915_VMA_GLOBAL_BIND | I915_VMA_LOCAL_BIND)); + + drm_mm_remove_node(&vma->node); + list_move_tail(&vma->vm_link, &vma->vm->unbound_list); + + /* Since the unbound list is global, only move to that list if + * no more VMAs exist. + */ + if (--obj->bind_count == 0) + list_move_tail(&obj->global_link, + &to_i915(obj->base.dev)->mm.unbound_list); + + /* And finally now the object is completely decoupled from this vma, + * we can drop its hold on the backing storage and allow it to be + * reaped by the shrinker. + */ + i915_gem_object_unpin_pages(obj); + GEM_BUG_ON(atomic_read(&obj->mm.pages_pin_count) < obj->bind_count); +} + int __i915_vma_do_pin(struct i915_vma *vma, u64 size, u64 alignment, u64 flags) { - unsigned int bound = vma->flags; + const unsigned int bound = vma->flags; int ret; lockdep_assert_held(&vma->vm->i915->drm.struct_mutex); @@ -524,18 +550,18 @@ int __i915_vma_do_pin(struct i915_vma *vma, if (WARN_ON(bound & I915_VMA_PIN_OVERFLOW)) { ret = -EBUSY; - goto err; + goto err_unpin; } if ((bound & I915_VMA_BIND_MASK) == 0) { ret = i915_vma_insert(vma, size, alignment, flags); if (ret) - goto err; + goto err_unpin; } ret = i915_vma_bind(vma, vma->obj->cache_level, flags); if (ret) - goto err; + goto err_remove; if ((bound ^ vma->flags) & I915_VMA_GLOBAL_BIND) __i915_vma_set_map_and_fenceable(vma); @@ -544,7 +570,12 @@ int __i915_vma_do_pin(struct i915_vma *vma, GEM_BUG_ON(i915_vma_misplaced(vma, size, alignment, flags)); return 0; -err: +err_remove: + if ((bound & I915_VMA_BIND_MASK) == 0) { + GEM_BUG_ON(vma->pages); + i915_vma_remove(vma); + } +err_unpin: __i915_vma_unpin(vma); return ret; } @@ -657,9 +688,6 @@ int i915_vma_unbind(struct i915_vma *vma) } vma->flags &= ~(I915_VMA_GLOBAL_BIND | I915_VMA_LOCAL_BIND); - drm_mm_remove_node(&vma->node); - list_move_tail(&vma->vm_link, &vma->vm->unbound_list); - if (vma->pages != obj->mm.pages) { GEM_BUG_ON(!vma->pages); sg_free_table(vma->pages); @@ -667,18 +695,7 @@ int i915_vma_unbind(struct i915_vma *vma) } vma->pages = NULL; - /* Since the unbound list is global, only move to that list if - * no more VMAs exist. */ - if (--obj->bind_count == 0) - list_move_tail(&obj->global_link, - &to_i915(obj->base.dev)->mm.unbound_list); - - /* And finally now the object is completely decoupled from this vma, - * we can drop its hold on the backing storage and allow it to be - * reaped by the shrinker. - */ - i915_gem_object_unpin_pages(obj); - GEM_BUG_ON(atomic_read(&obj->mm.pages_pin_count) < obj->bind_count); + i915_vma_remove(vma); destroy: if (unlikely(i915_vma_is_closed(vma))) diff --git a/drivers/gpu/drm/i915/intel_csr.c b/drivers/gpu/drm/i915/intel_csr.c index 0085bc7..de219b7 100644 --- a/drivers/gpu/drm/i915/intel_csr.c +++ b/drivers/gpu/drm/i915/intel_csr.c @@ -35,7 +35,6 @@ */ #define I915_CSR_GLK "i915/glk_dmc_ver1_01.bin" -MODULE_FIRMWARE(I915_CSR_GLK); #define GLK_CSR_VERSION_REQUIRED CSR_VERSION(1, 1) #define I915_CSR_KBL "i915/kbl_dmc_ver1_01.bin" diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 0134167..ed1f4f2 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -3669,10 +3669,6 @@ static void intel_update_pipe_config(struct intel_crtc *crtc, /* drm_atomic_helper_update_legacy_modeset_state might not be called. */ crtc->base.mode = crtc->base.state->mode; - DRM_DEBUG_KMS("Updating pipe size %ix%i -> %ix%i\n", - old_crtc_state->pipe_src_w, old_crtc_state->pipe_src_h, - pipe_config->pipe_src_w, pipe_config->pipe_src_h); - /* * Update pipe size and adjust fitter if needed: the reason for this is * that in compute_mode_changes we check the native mode (not the pfit @@ -4796,23 +4792,17 @@ static void skylake_pfit_enable(struct intel_crtc *crtc) struct intel_crtc_scaler_state *scaler_state = &crtc->config->scaler_state; - DRM_DEBUG_KMS("for crtc_state = %p\n", crtc->config); - if (crtc->config->pch_pfit.enabled) { int id; - if (WARN_ON(crtc->config->scaler_state.scaler_id < 0)) { - DRM_ERROR("Requesting pfit without getting a scaler first\n"); + if (WARN_ON(crtc->config->scaler_state.scaler_id < 0)) return; - } id = scaler_state->scaler_id; I915_WRITE(SKL_PS_CTRL(pipe, id), PS_SCALER_EN | PS_FILTER_MEDIUM | scaler_state->scalers[id].mode); I915_WRITE(SKL_PS_WIN_POS(pipe, id), crtc->config->pch_pfit.pos); I915_WRITE(SKL_PS_WIN_SZ(pipe, id), crtc->config->pch_pfit.size); - - DRM_DEBUG_KMS("for crtc_state = %p scaler_id = %d\n", crtc->config, id); } } @@ -14379,6 +14369,24 @@ static void skl_update_crtcs(struct drm_atomic_state *state, } while (progress); } +static void intel_atomic_helper_free_state(struct drm_i915_private *dev_priv) +{ + struct intel_atomic_state *state, *next; + struct llist_node *freed; + + freed = llist_del_all(&dev_priv->atomic_helper.free_list); + llist_for_each_entry_safe(state, next, freed, freed) + drm_atomic_state_put(&state->base); +} + +static void intel_atomic_helper_free_state_worker(struct work_struct *work) +{ + struct drm_i915_private *dev_priv = + container_of(work, typeof(*dev_priv), atomic_helper.free_work); + + intel_atomic_helper_free_state(dev_priv); +} + static void intel_atomic_commit_tail(struct drm_atomic_state *state) { struct drm_device *dev = state->dev; @@ -14545,6 +14553,8 @@ static void intel_atomic_commit_tail(struct drm_atomic_state *state) * can happen also when the device is completely off. */ intel_uncore_arm_unclaimed_mmio_detection(dev_priv); + + intel_atomic_helper_free_state(dev_priv); } static void intel_atomic_commit_work(struct work_struct *work) @@ -14946,17 +14956,19 @@ static void intel_begin_crtc_commit(struct drm_crtc *crtc, to_intel_atomic_state(old_crtc_state->state); bool modeset = needs_modeset(crtc->state); + if (!modeset && + (intel_cstate->base.color_mgmt_changed || + intel_cstate->update_pipe)) { + intel_color_set_csc(crtc->state); + intel_color_load_luts(crtc->state); + } + /* Perform vblank evasion around commit operation */ intel_pipe_update_start(intel_crtc); if (modeset) goto out; - if (crtc->state->color_mgmt_changed || to_intel_crtc_state(crtc->state)->update_pipe) { - intel_color_set_csc(crtc->state); - intel_color_load_luts(crtc->state); - } - if (intel_cstate->update_pipe) intel_update_pipe_config(intel_crtc, old_intel_cstate); else if (INTEL_GEN(dev_priv) >= 9) @@ -16599,18 +16611,6 @@ fail: drm_modeset_acquire_fini(&ctx); } -static void intel_atomic_helper_free_state(struct work_struct *work) -{ - struct drm_i915_private *dev_priv = - container_of(work, typeof(*dev_priv), atomic_helper.free_work); - struct intel_atomic_state *state, *next; - struct llist_node *freed; - - freed = llist_del_all(&dev_priv->atomic_helper.free_list); - llist_for_each_entry_safe(state, next, freed, freed) - drm_atomic_state_put(&state->base); -} - int intel_modeset_init(struct drm_device *dev) { struct drm_i915_private *dev_priv = to_i915(dev); @@ -16631,7 +16631,7 @@ int intel_modeset_init(struct drm_device *dev) dev->mode_config.funcs = &intel_mode_funcs; INIT_WORK(&dev_priv->atomic_helper.free_work, - intel_atomic_helper_free_state); + intel_atomic_helper_free_state_worker); intel_init_quirks(dev); @@ -16696,12 +16696,11 @@ int intel_modeset_init(struct drm_device *dev) } } - intel_update_czclk(dev_priv); - intel_update_cdclk(dev_priv); - dev_priv->atomic_cdclk_freq = dev_priv->cdclk_freq; - intel_shared_dpll_init(dev); + intel_update_czclk(dev_priv); + intel_modeset_init_hw(dev); + if (dev_priv->max_cdclk_freq == 0) intel_update_max_cdclk(dev_priv); @@ -17258,8 +17257,6 @@ void intel_modeset_gem_init(struct drm_device *dev) intel_init_gt_powersave(dev_priv); - intel_modeset_init_hw(dev); - intel_setup_overlay(dev_priv); } diff --git a/drivers/gpu/drm/i915/intel_engine_cs.c b/drivers/gpu/drm/i915/intel_engine_cs.c index 371acf1..ab1be5c 100644 --- a/drivers/gpu/drm/i915/intel_engine_cs.c +++ b/drivers/gpu/drm/i915/intel_engine_cs.c @@ -105,6 +105,8 @@ intel_engine_setup(struct drm_i915_private *dev_priv, /* Nothing to do here, execute in order of dependencies */ engine->schedule = NULL; + ATOMIC_INIT_NOTIFIER_HEAD(&engine->context_status_notifier); + dev_priv->engine[id] = engine; return 0; } diff --git a/drivers/gpu/drm/i915/intel_fbdev.c b/drivers/gpu/drm/i915/intel_fbdev.c index 1b8ba2e..2d449fb 100644 --- a/drivers/gpu/drm/i915/intel_fbdev.c +++ b/drivers/gpu/drm/i915/intel_fbdev.c @@ -357,14 +357,13 @@ static bool intel_fb_initial_config(struct drm_fb_helper *fb_helper, bool *enabled, int width, int height) { struct drm_i915_private *dev_priv = to_i915(fb_helper->dev); - unsigned long conn_configured, mask; + unsigned long conn_configured, conn_seq, mask; unsigned int count = min(fb_helper->connector_count, BITS_PER_LONG); int i, j; bool *save_enabled; bool fallback = true; int num_connectors_enabled = 0; int num_connectors_detected = 0; - int pass = 0; save_enabled = kcalloc(count, sizeof(bool), GFP_KERNEL); if (!save_enabled) @@ -374,6 +373,7 @@ static bool intel_fb_initial_config(struct drm_fb_helper *fb_helper, mask = BIT(count) - 1; conn_configured = 0; retry: + conn_seq = conn_configured; for (i = 0; i < count; i++) { struct drm_fb_helper_connector *fb_conn; struct drm_connector *connector; @@ -387,7 +387,7 @@ retry: if (conn_configured & BIT(i)) continue; - if (pass == 0 && !connector->has_tile) + if (conn_seq == 0 && !connector->has_tile) continue; if (connector->status == connector_status_connected) @@ -498,10 +498,8 @@ retry: conn_configured |= BIT(i); } - if ((conn_configured & mask) != mask) { - pass++; + if ((conn_configured & mask) != mask && conn_configured != conn_seq) goto retry; - } /* * If the BIOS didn't enable everything it could, fall back to have the diff --git a/drivers/gpu/drm/i915/intel_gvt.c b/drivers/gpu/drm/i915/intel_gvt.c index d23c0fc..8c04eca 100644 --- a/drivers/gpu/drm/i915/intel_gvt.c +++ b/drivers/gpu/drm/i915/intel_gvt.c @@ -77,6 +77,11 @@ int intel_gvt_init(struct drm_i915_private *dev_priv) goto bail; } + if (!i915.enable_execlists) { + DRM_INFO("GPU guest virtualisation [GVT-g] disabled due to disabled execlist submission [i915.enable_execlists module parameter]\n"); + goto bail; + } + /* * We're not in host or fail to find a MPT module, disable GVT-g */ diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c index ebae2bd..24b2fa5 100644 --- a/drivers/gpu/drm/i915/intel_hdmi.c +++ b/drivers/gpu/drm/i915/intel_hdmi.c @@ -1298,16 +1298,34 @@ intel_hdmi_mode_valid(struct drm_connector *connector, static bool hdmi_12bpc_possible(struct intel_crtc_state *crtc_state) { - struct drm_device *dev = crtc_state->base.crtc->dev; + struct drm_i915_private *dev_priv = + to_i915(crtc_state->base.crtc->dev); + struct drm_atomic_state *state = crtc_state->base.state; + struct drm_connector_state *connector_state; + struct drm_connector *connector; + int i; - if (HAS_GMCH_DISPLAY(to_i915(dev))) + if (HAS_GMCH_DISPLAY(dev_priv)) return false; /* * HDMI 12bpc affects the clocks, so it's only possible * when not cloning with other encoder types. */ - return crtc_state->output_types == 1 << INTEL_OUTPUT_HDMI; + if (crtc_state->output_types != 1 << INTEL_OUTPUT_HDMI) + return false; + + for_each_connector_in_state(state, connector, connector_state, i) { + const struct drm_display_info *info = &connector->display_info; + + if (connector_state->crtc != crtc_state->base.crtc) + continue; + + if ((info->edid_hdmi_dc_modes & DRM_EDID_HDMI_DC_36) == 0) + return false; + } + + return true; } bool intel_hdmi_compute_config(struct intel_encoder *encoder, diff --git a/drivers/gpu/drm/i915/intel_hotplug.c b/drivers/gpu/drm/i915/intel_hotplug.c index b62e3f8..54208be 100644 --- a/drivers/gpu/drm/i915/intel_hotplug.c +++ b/drivers/gpu/drm/i915/intel_hotplug.c @@ -219,7 +219,7 @@ static void intel_hpd_irq_storm_reenable_work(struct work_struct *work) } } } - if (dev_priv->display.hpd_irq_setup) + if (dev_priv->display_irqs_enabled && dev_priv->display.hpd_irq_setup) dev_priv->display.hpd_irq_setup(dev_priv); spin_unlock_irq(&dev_priv->irq_lock); @@ -425,7 +425,7 @@ void intel_hpd_irq_handler(struct drm_i915_private *dev_priv, } } - if (storm_detected) + if (storm_detected && dev_priv->display_irqs_enabled) dev_priv->display.hpd_irq_setup(dev_priv); spin_unlock(&dev_priv->irq_lock); @@ -471,10 +471,12 @@ void intel_hpd_init(struct drm_i915_private *dev_priv) * Interrupt setup is already guaranteed to be single-threaded, this is * just to make the assert_spin_locked checks happy. */ - spin_lock_irq(&dev_priv->irq_lock); - if (dev_priv->display.hpd_irq_setup) - dev_priv->display.hpd_irq_setup(dev_priv); - spin_unlock_irq(&dev_priv->irq_lock); + if (dev_priv->display_irqs_enabled && dev_priv->display.hpd_irq_setup) { + spin_lock_irq(&dev_priv->irq_lock); + if (dev_priv->display_irqs_enabled) + dev_priv->display.hpd_irq_setup(dev_priv); + spin_unlock_irq(&dev_priv->irq_lock); + } } static void i915_hpd_poll_init_work(struct work_struct *work) diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c index ebf8023..47517a0 100644 --- a/drivers/gpu/drm/i915/intel_lrc.c +++ b/drivers/gpu/drm/i915/intel_lrc.c @@ -345,7 +345,8 @@ execlists_context_status_change(struct drm_i915_gem_request *rq, if (!IS_ENABLED(CONFIG_DRM_I915_GVT)) return; - atomic_notifier_call_chain(&rq->ctx->status_notifier, status, rq); + atomic_notifier_call_chain(&rq->engine->context_status_notifier, + status, rq); } static void @@ -669,15 +670,14 @@ static void execlists_submit_request(struct drm_i915_gem_request *request) static struct intel_engine_cs * pt_lock_engine(struct i915_priotree *pt, struct intel_engine_cs *locked) { - struct intel_engine_cs *engine; + struct intel_engine_cs *engine = + container_of(pt, struct drm_i915_gem_request, priotree)->engine; + + GEM_BUG_ON(!locked); - engine = container_of(pt, - struct drm_i915_gem_request, - priotree)->engine; if (engine != locked) { - if (locked) - spin_unlock_irq(&locked->timeline->lock); - spin_lock_irq(&engine->timeline->lock); + spin_unlock(&locked->timeline->lock); + spin_lock(&engine->timeline->lock); } return engine; @@ -685,7 +685,7 @@ pt_lock_engine(struct i915_priotree *pt, struct intel_engine_cs *locked) static void execlists_schedule(struct drm_i915_gem_request *request, int prio) { - struct intel_engine_cs *engine = NULL; + struct intel_engine_cs *engine; struct i915_dependency *dep, *p; struct i915_dependency stack; LIST_HEAD(dfs); @@ -719,26 +719,23 @@ static void execlists_schedule(struct drm_i915_gem_request *request, int prio) list_for_each_entry_safe(dep, p, &dfs, dfs_link) { struct i915_priotree *pt = dep->signaler; - list_for_each_entry(p, &pt->signalers_list, signal_link) + /* Within an engine, there can be no cycle, but we may + * refer to the same dependency chain multiple times + * (redundant dependencies are not eliminated) and across + * engines. + */ + list_for_each_entry(p, &pt->signalers_list, signal_link) { + GEM_BUG_ON(p->signaler->priority < pt->priority); if (prio > READ_ONCE(p->signaler->priority)) list_move_tail(&p->dfs_link, &dfs); + } list_safe_reset_next(dep, p, dfs_link); - if (!RB_EMPTY_NODE(&pt->node)) - continue; - - engine = pt_lock_engine(pt, engine); - - /* If it is not already in the rbtree, we can update the - * priority inplace and skip over it (and its dependencies) - * if it is referenced *again* as we descend the dfs. - */ - if (prio > pt->priority && RB_EMPTY_NODE(&pt->node)) { - pt->priority = prio; - list_del_init(&dep->dfs_link); - } } + engine = request->engine; + spin_lock_irq(&engine->timeline->lock); + /* Fifo and depth-first replacement ensure our deps execute before us */ list_for_each_entry_safe_reverse(dep, p, &dfs, dfs_link) { struct i915_priotree *pt = dep->signaler; @@ -750,16 +747,15 @@ static void execlists_schedule(struct drm_i915_gem_request *request, int prio) if (prio <= pt->priority) continue; - GEM_BUG_ON(RB_EMPTY_NODE(&pt->node)); - pt->priority = prio; - rb_erase(&pt->node, &engine->execlist_queue); - if (insert_request(pt, &engine->execlist_queue)) - engine->execlist_first = &pt->node; + if (!RB_EMPTY_NODE(&pt->node)) { + rb_erase(&pt->node, &engine->execlist_queue); + if (insert_request(pt, &engine->execlist_queue)) + engine->execlist_first = &pt->node; + } } - if (engine) - spin_unlock_irq(&engine->timeline->lock); + spin_unlock_irq(&engine->timeline->lock); /* XXX Do we need to preempt to make room for us and our deps? */ } @@ -1439,7 +1435,9 @@ static void reset_common_ring(struct intel_engine_cs *engine, GEM_BUG_ON(request->ctx != port[0].request->ctx); /* Reset WaIdleLiteRestore:bdw,skl as well */ - request->tail = request->wa_tail - WA_TAIL_DWORDS * sizeof(u32); + request->tail = + intel_ring_wrap(request->ring, + request->wa_tail - WA_TAIL_DWORDS*sizeof(u32)); } static int intel_logical_ring_emit_pdps(struct drm_i915_gem_request *req) diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index 249623d..6a29784 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -4891,6 +4891,12 @@ static void gen6_set_rps_thresholds(struct drm_i915_private *dev_priv, u8 val) break; } + /* When byt can survive without system hang with dynamic + * sw freq adjustments, this restriction can be lifted. + */ + if (IS_VALLEYVIEW(dev_priv)) + goto skip_hw_write; + I915_WRITE(GEN6_RP_UP_EI, GT_INTERVAL_FROM_US(dev_priv, ei_up)); I915_WRITE(GEN6_RP_UP_THRESHOLD, @@ -4911,6 +4917,7 @@ static void gen6_set_rps_thresholds(struct drm_i915_private *dev_priv, u8 val) GEN6_RP_UP_BUSY_AVG | GEN6_RP_DOWN_IDLE_AVG); +skip_hw_write: dev_priv->rps.power = new_power; dev_priv->rps.up_threshold = threshold_up; dev_priv->rps.down_threshold = threshold_down; @@ -4921,8 +4928,9 @@ static u32 gen6_rps_pm_mask(struct drm_i915_private *dev_priv, u8 val) { u32 mask = 0; + /* We use UP_EI_EXPIRED interupts for both up/down in manual mode */ if (val > dev_priv->rps.min_freq_softlimit) - mask |= GEN6_PM_RP_DOWN_EI_EXPIRED | GEN6_PM_RP_DOWN_THRESHOLD | GEN6_PM_RP_DOWN_TIMEOUT; + mask |= GEN6_PM_RP_UP_EI_EXPIRED | GEN6_PM_RP_DOWN_THRESHOLD | GEN6_PM_RP_DOWN_TIMEOUT; if (val < dev_priv->rps.max_freq_softlimit) mask |= GEN6_PM_RP_UP_EI_EXPIRED | GEN6_PM_RP_UP_THRESHOLD; @@ -5032,7 +5040,7 @@ void gen6_rps_busy(struct drm_i915_private *dev_priv) { mutex_lock(&dev_priv->rps.hw_lock); if (dev_priv->rps.enabled) { - if (dev_priv->pm_rps_events & (GEN6_PM_RP_DOWN_EI_EXPIRED | GEN6_PM_RP_UP_EI_EXPIRED)) + if (dev_priv->pm_rps_events & GEN6_PM_RP_UP_EI_EXPIRED) gen6_rps_reset_ei(dev_priv); I915_WRITE(GEN6_PMINTRMSK, gen6_rps_pm_mask(dev_priv, dev_priv->rps.cur_freq)); @@ -7916,10 +7924,10 @@ static bool skl_pcode_try_request(struct drm_i915_private *dev_priv, u32 mbox, * @timeout_base_ms: timeout for polling with preemption enabled * * Keep resending the @request to @mbox until PCODE acknowledges it, PCODE - * reports an error or an overall timeout of @timeout_base_ms+10 ms expires. + * reports an error or an overall timeout of @timeout_base_ms+50 ms expires. * The request is acknowledged once the PCODE reply dword equals @reply after * applying @reply_mask. Polling is first attempted with preemption enabled - * for @timeout_base_ms and if this times out for another 10 ms with + * for @timeout_base_ms and if this times out for another 50 ms with * preemption disabled. * * Returns 0 on success, %-ETIMEDOUT in case of a timeout, <0 in case of some @@ -7955,14 +7963,15 @@ int skl_pcode_request(struct drm_i915_private *dev_priv, u32 mbox, u32 request, * worst case) _and_ PCODE was busy for some reason even after a * (queued) request and @timeout_base_ms delay. As a workaround retry * the poll with preemption disabled to maximize the number of - * requests. Increase the timeout from @timeout_base_ms to 10ms to + * requests. Increase the timeout from @timeout_base_ms to 50ms to * account for interrupts that could reduce the number of these - * requests. + * requests, and for any quirks of the PCODE firmware that delays + * the request completion. */ DRM_DEBUG_KMS("PCODE timeout, retrying with preemption disabled\n"); WARN_ON_ONCE(timeout_base_ms > 3); preempt_disable(); - ret = wait_for_atomic(COND, 10); + ret = wait_for_atomic(COND, 50); preempt_enable(); out: diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.c b/drivers/gpu/drm/i915/intel_ringbuffer.c index 91bc4ab..6c5f995 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.c +++ b/drivers/gpu/drm/i915/intel_ringbuffer.c @@ -2024,6 +2024,8 @@ static int intel_ring_context_pin(struct intel_engine_cs *engine, ret = context_pin(ctx, flags); if (ret) goto error; + + ce->state->obj->mm.dirty = true; } /* The kernel context is only used as a placeholder for flushing the diff --git a/drivers/gpu/drm/i915/intel_ringbuffer.h b/drivers/gpu/drm/i915/intel_ringbuffer.h index 79c2b8d..8cb2078 100644 --- a/drivers/gpu/drm/i915/intel_ringbuffer.h +++ b/drivers/gpu/drm/i915/intel_ringbuffer.h @@ -403,6 +403,9 @@ struct intel_engine_cs { */ struct i915_gem_context *legacy_active_context; + /* status_notifier: list of callbacks for context-switch changes */ + struct atomic_notifier_head context_status_notifier; + struct intel_engine_hangcheck hangcheck; bool needs_cmd_parser; @@ -518,11 +521,17 @@ static inline void intel_ring_advance(struct intel_ring *ring) */ } +static inline u32 +intel_ring_wrap(const struct intel_ring *ring, u32 pos) +{ + return pos & (ring->size - 1); +} + static inline u32 intel_ring_offset(struct intel_ring *ring, void *addr) { /* Don't write ring->size (equivalent to 0) as that hangs some GPUs. */ u32 offset = addr - ring->vaddr; - return offset & (ring->size - 1); + return intel_ring_wrap(ring, offset); } int __intel_ring_space(int head, int tail, int size); diff --git a/drivers/gpu/drm/i915/intel_sprite.c b/drivers/gpu/drm/i915/intel_sprite.c index 9ef5468..9481ca9 100644 --- a/drivers/gpu/drm/i915/intel_sprite.c +++ b/drivers/gpu/drm/i915/intel_sprite.c @@ -254,9 +254,6 @@ skl_update_plane(struct drm_plane *drm_plane, int scaler_id = plane_state->scaler_id; const struct intel_scaler *scaler; - DRM_DEBUG_KMS("plane = %d PS_PLANE_SEL(plane) = 0x%x\n", - plane_id, PS_PLANE_SEL(plane_id)); - scaler = &crtc_state->scaler_state.scalers[scaler_id]; I915_WRITE(SKL_PS_CTRL(pipe, scaler_id), diff --git a/drivers/gpu/drm/i915/intel_uncore.c b/drivers/gpu/drm/i915/intel_uncore.c index abe0888..b7ff592 100644 --- a/drivers/gpu/drm/i915/intel_uncore.c +++ b/drivers/gpu/drm/i915/intel_uncore.c @@ -119,6 +119,8 @@ fw_domains_get(struct drm_i915_private *dev_priv, enum forcewake_domains fw_doma for_each_fw_domain_masked(d, fw_domains, dev_priv) fw_domain_wait_ack(d); + + dev_priv->uncore.fw_domains_active |= fw_domains; } static void @@ -130,6 +132,8 @@ fw_domains_put(struct drm_i915_private *dev_priv, enum forcewake_domains fw_doma fw_domain_put(d); fw_domain_posting_read(d); } + + dev_priv->uncore.fw_domains_active &= ~fw_domains; } static void @@ -240,10 +244,8 @@ intel_uncore_fw_release_timer(struct hrtimer *timer) if (WARN_ON(domain->wake_count == 0)) domain->wake_count++; - if (--domain->wake_count == 0) { + if (--domain->wake_count == 0) dev_priv->uncore.funcs.force_wake_put(dev_priv, domain->mask); - dev_priv->uncore.fw_domains_active &= ~domain->mask; - } spin_unlock_irqrestore(&dev_priv->uncore.lock, irqflags); @@ -454,10 +456,8 @@ static void __intel_uncore_forcewake_get(struct drm_i915_private *dev_priv, fw_domains &= ~domain->mask; } - if (fw_domains) { + if (fw_domains) dev_priv->uncore.funcs.force_wake_get(dev_priv, fw_domains); - dev_priv->uncore.fw_domains_active |= fw_domains; - } } /** @@ -968,7 +968,6 @@ static noinline void ___force_wake_auto(struct drm_i915_private *dev_priv, fw_domain_arm_timer(domain); dev_priv->uncore.funcs.force_wake_get(dev_priv, fw_domains); - dev_priv->uncore.fw_domains_active |= fw_domains; } static inline void __force_wake_auto(struct drm_i915_private *dev_priv, diff --git a/drivers/gpu/drm/msm/adreno/a5xx_gpu.c b/drivers/gpu/drm/msm/adreno/a5xx_gpu.c index 4414cf7..36602ac 100644 --- a/drivers/gpu/drm/msm/adreno/a5xx_gpu.c +++ b/drivers/gpu/drm/msm/adreno/a5xx_gpu.c @@ -1,4 +1,4 @@ -/* Copyright (c) 2016 The Linux Foundation. All rights reserved. +/* Copyright (c) 2016-2017 The Linux Foundation. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 and @@ -534,7 +534,7 @@ static void a5xx_destroy(struct msm_gpu *gpu) } if (a5xx_gpu->gpmu_bo) { - if (a5xx_gpu->gpmu_bo) + if (a5xx_gpu->gpmu_iova) msm_gem_put_iova(a5xx_gpu->gpmu_bo, gpu->id); drm_gem_object_unreference_unlocked(a5xx_gpu->gpmu_bo); } @@ -860,7 +860,9 @@ static const struct adreno_gpu_funcs funcs = { .idle = a5xx_idle, .irq = a5xx_irq, .destroy = a5xx_destroy, +#ifdef CONFIG_DEBUG_FS .show = a5xx_show, +#endif }, .get_timestamp = a5xx_get_timestamp, }; diff --git a/drivers/gpu/drm/msm/adreno/adreno_gpu.c b/drivers/gpu/drm/msm/adreno/adreno_gpu.c index c9bd1e6..5ae6542 100644 --- a/drivers/gpu/drm/msm/adreno/adreno_gpu.c +++ b/drivers/gpu/drm/msm/adreno/adreno_gpu.c @@ -418,18 +418,27 @@ int adreno_gpu_init(struct drm_device *drm, struct platform_device *pdev, return 0; } -void adreno_gpu_cleanup(struct adreno_gpu *gpu) +void adreno_gpu_cleanup(struct adreno_gpu *adreno_gpu) { - if (gpu->memptrs_bo) { - if (gpu->memptrs) - msm_gem_put_vaddr(gpu->memptrs_bo); + struct msm_gpu *gpu = &adreno_gpu->base; + + if (adreno_gpu->memptrs_bo) { + if (adreno_gpu->memptrs) + msm_gem_put_vaddr(adreno_gpu->memptrs_bo); + + if (adreno_gpu->memptrs_iova) + msm_gem_put_iova(adreno_gpu->memptrs_bo, gpu->id); + + drm_gem_object_unreference_unlocked(adreno_gpu->memptrs_bo); + } + release_firmware(adreno_gpu->pm4); + release_firmware(adreno_gpu->pfp); - if (gpu->memptrs_iova) - msm_gem_put_iova(gpu->memptrs_bo, gpu->base.id); + msm_gpu_cleanup(gpu); - drm_gem_object_unreference_unlocked(gpu->memptrs_bo); + if (gpu->aspace) { + gpu->aspace->mmu->funcs->detach(gpu->aspace->mmu, + iommu_ports, ARRAY_SIZE(iommu_ports)); + msm_gem_address_space_destroy(gpu->aspace); } - release_firmware(gpu->pm4); - release_firmware(gpu->pfp); - msm_gpu_cleanup(&gpu->base); } diff --git a/drivers/gpu/drm/msm/dsi/dsi_manager.c b/drivers/gpu/drm/msm/dsi/dsi_manager.c index 921270e..a879ffa 100644 --- a/drivers/gpu/drm/msm/dsi/dsi_manager.c +++ b/drivers/gpu/drm/msm/dsi/dsi_manager.c @@ -171,7 +171,7 @@ dsi_mgr_phy_enable(int id, } } } else { - msm_dsi_host_reset_phy(mdsi->host); + msm_dsi_host_reset_phy(msm_dsi->host); ret = enable_phy(msm_dsi, src_pll_id, &shared_timings[id]); if (ret) return ret; diff --git a/drivers/gpu/drm/msm/hdmi/hdmi_audio.c b/drivers/gpu/drm/msm/hdmi/hdmi_audio.c index a54d3bb..8177e85 100644 --- a/drivers/gpu/drm/msm/hdmi/hdmi_audio.c +++ b/drivers/gpu/drm/msm/hdmi/hdmi_audio.c @@ -18,13 +18,6 @@ #include <linux/hdmi.h> #include "hdmi.h" - -/* Supported HDMI Audio channels */ -#define MSM_HDMI_AUDIO_CHANNEL_2 0 -#define MSM_HDMI_AUDIO_CHANNEL_4 1 -#define MSM_HDMI_AUDIO_CHANNEL_6 2 -#define MSM_HDMI_AUDIO_CHANNEL_8 3 - /* maps MSM_HDMI_AUDIO_CHANNEL_n consts used by audio driver to # of channels: */ static int nchannels[] = { 2, 4, 6, 8 }; diff --git a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_pipe.h b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_pipe.h index 611da7a..2389019 100644 --- a/drivers/gpu/drm/msm/mdp/mdp5/mdp5_pipe.h +++ b/drivers/gpu/drm/msm/mdp/mdp5/mdp5_pipe.h @@ -18,7 +18,8 @@ #ifndef __MDP5_PIPE_H__ #define __MDP5_PIPE_H__ -#define SSPP_MAX (SSPP_RGB3 + 1) /* TODO: Add SSPP_MAX in mdp5.xml.h */ +/* TODO: Add SSPP_MAX in mdp5.xml.h */ +#define SSPP_MAX (SSPP_CURSOR1 + 1) /* represents a hw pipe, which is dynamically assigned to a plane */ struct mdp5_hw_pipe { diff --git a/drivers/gpu/drm/msm/msm_gem.c b/drivers/gpu/drm/msm/msm_gem.c index 59811f2..68e509b 100644 --- a/drivers/gpu/drm/msm/msm_gem.c +++ b/drivers/gpu/drm/msm/msm_gem.c @@ -812,6 +812,12 @@ struct drm_gem_object *msm_gem_new(struct drm_device *dev, size = PAGE_ALIGN(size); + /* Disallow zero sized objects as they make the underlying + * infrastructure grumpy + */ + if (size == 0) + return ERR_PTR(-EINVAL); + ret = msm_gem_new_impl(dev, size, flags, NULL, &obj); if (ret) goto fail; diff --git a/drivers/gpu/drm/msm/msm_gpu.c b/drivers/gpu/drm/msm/msm_gpu.c index 99e05aa..af5b6ba 100644 --- a/drivers/gpu/drm/msm/msm_gpu.c +++ b/drivers/gpu/drm/msm/msm_gpu.c @@ -706,9 +706,6 @@ void msm_gpu_cleanup(struct msm_gpu *gpu) msm_ringbuffer_destroy(gpu->rb); } - if (gpu->aspace) - msm_gem_address_space_destroy(gpu->aspace); - if (gpu->fctx) msm_fence_context_free(gpu->fctx); } diff --git a/drivers/gpu/drm/nouveau/nv50_display.c b/drivers/gpu/drm/nouveau/nv50_display.c index 0b4440f..a9182d5 100644 --- a/drivers/gpu/drm/nouveau/nv50_display.c +++ b/drivers/gpu/drm/nouveau/nv50_display.c @@ -995,7 +995,6 @@ nv50_wndw_atomic_destroy_state(struct drm_plane *plane, { struct nv50_wndw_atom *asyw = nv50_wndw_atom(state); __drm_atomic_helper_plane_destroy_state(&asyw->state); - dma_fence_put(asyw->state.fence); kfree(asyw); } @@ -1007,7 +1006,6 @@ nv50_wndw_atomic_duplicate_state(struct drm_plane *plane) if (!(asyw = kmalloc(sizeof(*asyw), GFP_KERNEL))) return NULL; __drm_atomic_helper_plane_duplicate_state(plane, &asyw->state); - asyw->state.fence = NULL; asyw->interval = 1; asyw->sema = armw->sema; asyw->ntfy = armw->ntfy; @@ -2036,6 +2034,7 @@ nv50_head_atomic_check_mode(struct nv50_head *head, struct nv50_head_atom *asyh) u32 vbackp = (mode->vtotal - mode->vsync_end) * vscan / ilace; u32 hfrontp = mode->hsync_start - mode->hdisplay; u32 vfrontp = (mode->vsync_start - mode->vdisplay) * vscan / ilace; + u32 blankus; struct nv50_head_mode *m = &asyh->mode; m->h.active = mode->htotal; @@ -2049,9 +2048,10 @@ nv50_head_atomic_check_mode(struct nv50_head *head, struct nv50_head_atom *asyh) m->v.blanks = m->v.active - vfrontp - 1; /*XXX: Safe underestimate, even "0" works */ - m->v.blankus = (m->v.active - mode->vdisplay - 2) * m->h.active; - m->v.blankus *= 1000; - m->v.blankus /= mode->clock; + blankus = (m->v.active - mode->vdisplay - 2) * m->h.active; + blankus *= 1000; + blankus /= mode->clock; + m->v.blankus = blankus; if (mode->flags & DRM_MODE_FLAG_INTERLACE) { m->v.blank2e = m->v.active + m->v.synce + vbackp; diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/device/base.c b/drivers/gpu/drm/nouveau/nvkm/engine/device/base.c index 273562d..3b86a73 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/device/base.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/device/base.c @@ -714,7 +714,7 @@ nv4a_chipset = { .i2c = nv04_i2c_new, .imem = nv40_instmem_new, .mc = nv44_mc_new, - .mmu = nv44_mmu_new, + .mmu = nv04_mmu_new, .pci = nv40_pci_new, .therm = nv40_therm_new, .timer = nv41_timer_new, @@ -2271,6 +2271,35 @@ nv136_chipset = { .fifo = gp100_fifo_new, }; +static const struct nvkm_device_chip +nv137_chipset = { + .name = "GP107", + .bar = gf100_bar_new, + .bios = nvkm_bios_new, + .bus = gf100_bus_new, + .devinit = gm200_devinit_new, + .fb = gp102_fb_new, + .fuse = gm107_fuse_new, + .gpio = gk104_gpio_new, + .i2c = gm200_i2c_new, + .ibus = gm200_ibus_new, + .imem = nv50_instmem_new, + .ltc = gp100_ltc_new, + .mc = gp100_mc_new, + .mmu = gf100_mmu_new, + .pci = gp100_pci_new, + .pmu = gp102_pmu_new, + .timer = gk20a_timer_new, + .top = gk104_top_new, + .ce[0] = gp102_ce_new, + .ce[1] = gp102_ce_new, + .ce[2] = gp102_ce_new, + .ce[3] = gp102_ce_new, + .disp = gp102_disp_new, + .dma = gf119_dma_new, + .fifo = gp100_fifo_new, +}; + static int nvkm_device_event_ctor(struct nvkm_object *object, void *data, u32 size, struct nvkm_notify *notify) @@ -2708,6 +2737,7 @@ nvkm_device_ctor(const struct nvkm_device_func *func, case 0x132: device->chip = &nv132_chipset; break; case 0x134: device->chip = &nv134_chipset; break; case 0x136: device->chip = &nv136_chipset; break; + case 0x137: device->chip = &nv137_chipset; break; default: nvdev_error(device, "unknown chipset (%08x)\n", boot0); goto done; diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/mpeg/nv31.c b/drivers/gpu/drm/nouveau/nvkm/engine/mpeg/nv31.c index 003ac91..8a88952 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/mpeg/nv31.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/mpeg/nv31.c @@ -198,7 +198,7 @@ nv31_mpeg_intr(struct nvkm_engine *engine) } if (type == 0x00000010) { - if (!nv31_mpeg_mthd(mpeg, mthd, data)) + if (nv31_mpeg_mthd(mpeg, mthd, data)) show &= ~0x01000000; } } diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/mpeg/nv44.c b/drivers/gpu/drm/nouveau/nvkm/engine/mpeg/nv44.c index e536f37..c3cf02e 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/mpeg/nv44.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/mpeg/nv44.c @@ -172,7 +172,7 @@ nv44_mpeg_intr(struct nvkm_engine *engine) } if (type == 0x00000010) { - if (!nv44_mpeg_mthd(subdev->device, mthd, data)) + if (nv44_mpeg_mthd(subdev->device, mthd, data)) show &= ~0x01000000; } } diff --git a/drivers/gpu/drm/omapdrm/omap_gem_dmabuf.c b/drivers/gpu/drm/omapdrm/omap_gem_dmabuf.c index af267c3..ee5883f 100644 --- a/drivers/gpu/drm/omapdrm/omap_gem_dmabuf.c +++ b/drivers/gpu/drm/omapdrm/omap_gem_dmabuf.c @@ -147,9 +147,6 @@ static int omap_gem_dmabuf_mmap(struct dma_buf *buffer, struct drm_gem_object *obj = buffer->priv; int ret = 0; - if (WARN_ON(!obj->filp)) - return -EINVAL; - ret = drm_gem_mmap_obj(obj, omap_gem_mmap_size(obj), vma); if (ret < 0) return ret; diff --git a/drivers/gpu/drm/radeon/radeon_ttm.c b/drivers/gpu/drm/radeon/radeon_ttm.c index 684f170..aaa3e80 100644 --- a/drivers/gpu/drm/radeon/radeon_ttm.c +++ b/drivers/gpu/drm/radeon/radeon_ttm.c @@ -213,8 +213,8 @@ static void radeon_evict_flags(struct ttm_buffer_object *bo, rbo->placement.num_busy_placement = 0; for (i = 0; i < rbo->placement.num_placement; i++) { if (rbo->placements[i].flags & TTM_PL_FLAG_VRAM) { - if (rbo->placements[0].fpfn < fpfn) - rbo->placements[0].fpfn = fpfn; + if (rbo->placements[i].fpfn < fpfn) + rbo->placements[i].fpfn = fpfn; } else { rbo->placement.busy_placement = &rbo->placements[i]; diff --git a/drivers/gpu/drm/radeon/si_dpm.c b/drivers/gpu/drm/radeon/si_dpm.c index d12b897..c7af9fd 100644 --- a/drivers/gpu/drm/radeon/si_dpm.c +++ b/drivers/gpu/drm/radeon/si_dpm.c @@ -2984,6 +2984,16 @@ static void si_apply_state_adjust_rules(struct radeon_device *rdev, (rdev->pdev->device == 0x6667)) { max_sclk = 75000; } + } else if (rdev->family == CHIP_OLAND) { + if ((rdev->pdev->revision == 0xC7) || + (rdev->pdev->revision == 0x80) || + (rdev->pdev->revision == 0x81) || + (rdev->pdev->revision == 0x83) || + (rdev->pdev->revision == 0x87) || + (rdev->pdev->device == 0x6604) || + (rdev->pdev->device == 0x6605)) { + max_sclk = 75000; + } } if (rps->vce_active) { diff --git a/drivers/gpu/drm/tilcdc/tilcdc_crtc.c b/drivers/gpu/drm/tilcdc/tilcdc_crtc.c index f80bf93..d745e8b 100644 --- a/drivers/gpu/drm/tilcdc/tilcdc_crtc.c +++ b/drivers/gpu/drm/tilcdc/tilcdc_crtc.c @@ -464,6 +464,7 @@ static void tilcdc_crtc_enable(struct drm_crtc *crtc) { struct drm_device *dev = crtc->dev; struct tilcdc_crtc *tilcdc_crtc = to_tilcdc_crtc(crtc); + unsigned long flags; WARN_ON(!drm_modeset_is_locked(&crtc->mutex)); mutex_lock(&tilcdc_crtc->enable_lock); @@ -484,7 +485,17 @@ static void tilcdc_crtc_enable(struct drm_crtc *crtc) tilcdc_write_mask(dev, LCDC_RASTER_CTRL_REG, LCDC_PALETTE_LOAD_MODE(DATA_ONLY), LCDC_PALETTE_LOAD_MODE_MASK); + + /* There is no real chance for a race here as the time stamp + * is taken before the raster DMA is started. The spin-lock is + * taken to have a memory barrier after taking the time-stamp + * and to avoid a context switch between taking the stamp and + * enabling the raster. + */ + spin_lock_irqsave(&tilcdc_crtc->irq_lock, flags); + tilcdc_crtc->last_vblank = ktime_get(); tilcdc_set(dev, LCDC_RASTER_CTRL_REG, LCDC_RASTER_ENABLE); + spin_unlock_irqrestore(&tilcdc_crtc->irq_lock, flags); drm_crtc_vblank_on(crtc); @@ -539,7 +550,6 @@ static void tilcdc_crtc_off(struct drm_crtc *crtc, bool shutdown) } drm_flip_work_commit(&tilcdc_crtc->unref_work, priv->wq); - tilcdc_crtc->last_vblank = 0; tilcdc_crtc->enabled = false; mutex_unlock(&tilcdc_crtc->enable_lock); @@ -602,7 +612,6 @@ int tilcdc_crtc_update_fb(struct drm_crtc *crtc, { struct tilcdc_crtc *tilcdc_crtc = to_tilcdc_crtc(crtc); struct drm_device *dev = crtc->dev; - unsigned long flags; WARN_ON(!drm_modeset_is_locked(&crtc->mutex)); @@ -614,28 +623,30 @@ int tilcdc_crtc_update_fb(struct drm_crtc *crtc, drm_framebuffer_reference(fb); crtc->primary->fb = fb; + tilcdc_crtc->event = event; - spin_lock_irqsave(&tilcdc_crtc->irq_lock, flags); + mutex_lock(&tilcdc_crtc->enable_lock); - if (crtc->hwmode.vrefresh && ktime_to_ns(tilcdc_crtc->last_vblank)) { + if (tilcdc_crtc->enabled) { + unsigned long flags; ktime_t next_vblank; s64 tdiff; - next_vblank = ktime_add_us(tilcdc_crtc->last_vblank, - 1000000 / crtc->hwmode.vrefresh); + spin_lock_irqsave(&tilcdc_crtc->irq_lock, flags); + next_vblank = ktime_add_us(tilcdc_crtc->last_vblank, + 1000000 / crtc->hwmode.vrefresh); tdiff = ktime_to_us(ktime_sub(next_vblank, ktime_get())); if (tdiff < TILCDC_VBLANK_SAFETY_THRESHOLD_US) tilcdc_crtc->next_fb = fb; - } - - if (tilcdc_crtc->next_fb != fb) - set_scanout(crtc, fb); + else + set_scanout(crtc, fb); - tilcdc_crtc->event = event; + spin_unlock_irqrestore(&tilcdc_crtc->irq_lock, flags); + } - spin_unlock_irqrestore(&tilcdc_crtc->irq_lock, flags); + mutex_unlock(&tilcdc_crtc->enable_lock); return 0; } @@ -1036,5 +1047,5 @@ int tilcdc_crtc_create(struct drm_device *dev) fail: tilcdc_crtc_destroy(crtc); - return -ENOMEM; + return ret; } diff --git a/drivers/gpu/drm/ttm/ttm_object.c b/drivers/gpu/drm/ttm/ttm_object.c index fdb451e..26a7ad0 100644 --- a/drivers/gpu/drm/ttm/ttm_object.c +++ b/drivers/gpu/drm/ttm/ttm_object.c @@ -179,7 +179,7 @@ int ttm_base_object_init(struct ttm_object_file *tfile, if (unlikely(ret != 0)) goto out_err0; - ret = ttm_ref_object_add(tfile, base, TTM_REF_USAGE, NULL); + ret = ttm_ref_object_add(tfile, base, TTM_REF_USAGE, NULL, false); if (unlikely(ret != 0)) goto out_err1; @@ -318,7 +318,8 @@ EXPORT_SYMBOL(ttm_ref_object_exists); int ttm_ref_object_add(struct ttm_object_file *tfile, struct ttm_base_object *base, - enum ttm_ref_type ref_type, bool *existed) + enum ttm_ref_type ref_type, bool *existed, + bool require_existed) { struct drm_open_hash *ht = &tfile->ref_hash[ref_type]; struct ttm_ref_object *ref; @@ -345,6 +346,9 @@ int ttm_ref_object_add(struct ttm_object_file *tfile, } rcu_read_unlock(); + if (require_existed) + return -EPERM; + ret = ttm_mem_global_alloc(mem_glob, sizeof(*ref), false, false); if (unlikely(ret != 0)) @@ -449,10 +453,10 @@ void ttm_object_file_release(struct ttm_object_file **p_tfile) ttm_ref_object_release(&ref->kref); } + spin_unlock(&tfile->lock); for (i = 0; i < TTM_REF_NUM; ++i) drm_ht_remove(&tfile->ref_hash[i]); - spin_unlock(&tfile->lock); ttm_object_file_unref(&tfile); } EXPORT_SYMBOL(ttm_object_file_release); @@ -529,9 +533,7 @@ void ttm_object_device_release(struct ttm_object_device **p_tdev) *p_tdev = NULL; - spin_lock(&tdev->object_lock); drm_ht_remove(&tdev->object_hash); - spin_unlock(&tdev->object_lock); kfree(tdev); } @@ -635,7 +637,7 @@ int ttm_prime_fd_to_handle(struct ttm_object_file *tfile, prime = (struct ttm_prime_object *) dma_buf->priv; base = &prime->base; *handle = base->hash.key; - ret = ttm_ref_object_add(tfile, base, TTM_REF_USAGE, NULL); + ret = ttm_ref_object_add(tfile, base, TTM_REF_USAGE, NULL, false); dma_buf_put(dma_buf); diff --git a/drivers/gpu/drm/udl/udl_transfer.c b/drivers/gpu/drm/udl/udl_transfer.c index 917dcb9..0c87b1a 100644 --- a/drivers/gpu/drm/udl/udl_transfer.c +++ b/drivers/gpu/drm/udl/udl_transfer.c @@ -14,6 +14,7 @@ #include <linux/slab.h> #include <linux/fb.h> #include <linux/prefetch.h> +#include <asm/unaligned.h> #include <drm/drmP.h> #include "udl_drv.h" @@ -163,7 +164,7 @@ static void udl_compress_hline16( const u8 *const start = pixel; const uint16_t repeating_pixel_val16 = pixel_val16; - *(uint16_t *)cmd = cpu_to_be16(pixel_val16); + put_unaligned_be16(pixel_val16, cmd); cmd += 2; pixel += bpp; diff --git a/drivers/gpu/drm/vc4/vc4_crtc.c b/drivers/gpu/drm/vc4/vc4_crtc.c index 0c06844..9fcf05c 100644 --- a/drivers/gpu/drm/vc4/vc4_crtc.c +++ b/drivers/gpu/drm/vc4/vc4_crtc.c @@ -846,6 +846,17 @@ static void vc4_crtc_destroy_state(struct drm_crtc *crtc, drm_atomic_helper_crtc_destroy_state(crtc, state); } +static void +vc4_crtc_reset(struct drm_crtc *crtc) +{ + if (crtc->state) + __drm_atomic_helper_crtc_destroy_state(crtc->state); + + crtc->state = kzalloc(sizeof(struct vc4_crtc_state), GFP_KERNEL); + if (crtc->state) + crtc->state->crtc = crtc; +} + static const struct drm_crtc_funcs vc4_crtc_funcs = { .set_config = drm_atomic_helper_set_config, .destroy = vc4_crtc_destroy, @@ -853,7 +864,7 @@ static const struct drm_crtc_funcs vc4_crtc_funcs = { .set_property = NULL, .cursor_set = NULL, /* handled by drm_mode_cursor_universal */ .cursor_move = NULL, /* handled by drm_mode_cursor_universal */ - .reset = drm_atomic_helper_crtc_reset, + .reset = vc4_crtc_reset, .atomic_duplicate_state = vc4_crtc_duplicate_state, .atomic_destroy_state = vc4_crtc_destroy_state, .gamma_set = vc4_crtc_gamma_set, diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c b/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c index 6541dd8..6b2708b 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c @@ -538,7 +538,7 @@ int vmw_fence_create(struct vmw_fence_manager *fman, struct vmw_fence_obj **p_fence) { struct vmw_fence_obj *fence; - int ret; + int ret; fence = kzalloc(sizeof(*fence), GFP_KERNEL); if (unlikely(fence == NULL)) @@ -701,6 +701,41 @@ void vmw_fence_fifo_up(struct vmw_fence_manager *fman) } +/** + * vmw_fence_obj_lookup - Look up a user-space fence object + * + * @tfile: A struct ttm_object_file identifying the caller. + * @handle: A handle identifying the fence object. + * @return: A struct vmw_user_fence base ttm object on success or + * an error pointer on failure. + * + * The fence object is looked up and type-checked. The caller needs + * to have opened the fence object first, but since that happens on + * creation and fence objects aren't shareable, that's not an + * issue currently. + */ +static struct ttm_base_object * +vmw_fence_obj_lookup(struct ttm_object_file *tfile, u32 handle) +{ + struct ttm_base_object *base = ttm_base_object_lookup(tfile, handle); + + if (!base) { + pr_err("Invalid fence object handle 0x%08lx.\n", + (unsigned long)handle); + return ERR_PTR(-EINVAL); + } + + if (base->refcount_release != vmw_user_fence_base_release) { + pr_err("Invalid fence object handle 0x%08lx.\n", + (unsigned long)handle); + ttm_base_object_unref(&base); + return ERR_PTR(-EINVAL); + } + + return base; +} + + int vmw_fence_obj_wait_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv) { @@ -726,13 +761,9 @@ int vmw_fence_obj_wait_ioctl(struct drm_device *dev, void *data, arg->kernel_cookie = jiffies + wait_timeout; } - base = ttm_base_object_lookup(tfile, arg->handle); - if (unlikely(base == NULL)) { - printk(KERN_ERR "Wait invalid fence object handle " - "0x%08lx.\n", - (unsigned long)arg->handle); - return -EINVAL; - } + base = vmw_fence_obj_lookup(tfile, arg->handle); + if (IS_ERR(base)) + return PTR_ERR(base); fence = &(container_of(base, struct vmw_user_fence, base)->fence); @@ -771,13 +802,9 @@ int vmw_fence_obj_signaled_ioctl(struct drm_device *dev, void *data, struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile; struct vmw_private *dev_priv = vmw_priv(dev); - base = ttm_base_object_lookup(tfile, arg->handle); - if (unlikely(base == NULL)) { - printk(KERN_ERR "Fence signaled invalid fence object handle " - "0x%08lx.\n", - (unsigned long)arg->handle); - return -EINVAL; - } + base = vmw_fence_obj_lookup(tfile, arg->handle); + if (IS_ERR(base)) + return PTR_ERR(base); fence = &(container_of(base, struct vmw_user_fence, base)->fence); fman = fman_from_fence(fence); @@ -1024,6 +1051,7 @@ int vmw_fence_event_ioctl(struct drm_device *dev, void *data, (struct drm_vmw_fence_event_arg *) data; struct vmw_fence_obj *fence = NULL; struct vmw_fpriv *vmw_fp = vmw_fpriv(file_priv); + struct ttm_object_file *tfile = vmw_fp->tfile; struct drm_vmw_fence_rep __user *user_fence_rep = (struct drm_vmw_fence_rep __user *)(unsigned long) arg->fence_rep; @@ -1037,24 +1065,18 @@ int vmw_fence_event_ioctl(struct drm_device *dev, void *data, */ if (arg->handle) { struct ttm_base_object *base = - ttm_base_object_lookup_for_ref(dev_priv->tdev, - arg->handle); - - if (unlikely(base == NULL)) { - DRM_ERROR("Fence event invalid fence object handle " - "0x%08lx.\n", - (unsigned long)arg->handle); - return -EINVAL; - } + vmw_fence_obj_lookup(tfile, arg->handle); + + if (IS_ERR(base)) + return PTR_ERR(base); + fence = &(container_of(base, struct vmw_user_fence, base)->fence); (void) vmw_fence_obj_reference(fence); if (user_fence_rep != NULL) { - bool existed; - ret = ttm_ref_object_add(vmw_fp->tfile, base, - TTM_REF_USAGE, &existed); + TTM_REF_USAGE, NULL, false); if (unlikely(ret != 0)) { DRM_ERROR("Failed to reference a fence " "object.\n"); @@ -1097,8 +1119,7 @@ int vmw_fence_event_ioctl(struct drm_device *dev, void *data, return 0; out_no_create: if (user_fence_rep != NULL) - ttm_ref_object_base_unref(vmw_fpriv(file_priv)->tfile, - handle, TTM_REF_USAGE); + ttm_ref_object_base_unref(tfile, handle, TTM_REF_USAGE); out_no_ref_obj: vmw_fence_obj_unreference(&fence); return ret; diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c b/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c index b8c6a03..5ec24fd 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_ioctl.c @@ -114,8 +114,6 @@ int vmw_getparam_ioctl(struct drm_device *dev, void *data, param->value = dev_priv->has_dx; break; default: - DRM_ERROR("Illegal vmwgfx get param request: %d\n", - param->param); return -EINVAL; } @@ -186,7 +184,7 @@ int vmw_get_cap_3d_ioctl(struct drm_device *dev, void *data, bool gb_objects = !!(dev_priv->capabilities & SVGA_CAP_GBOBJECTS); struct vmw_fpriv *vmw_fp = vmw_fpriv(file_priv); - if (unlikely(arg->pad64 != 0)) { + if (unlikely(arg->pad64 != 0 || arg->max_size == 0)) { DRM_ERROR("Illegal GET_3D_CAP argument.\n"); return -EINVAL; } diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c b/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c index 65b3f03..bf23153 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c @@ -589,7 +589,7 @@ static int vmw_user_dmabuf_synccpu_grab(struct vmw_user_dma_buffer *user_bo, return ret; ret = ttm_ref_object_add(tfile, &user_bo->prime.base, - TTM_REF_SYNCCPU_WRITE, &existed); + TTM_REF_SYNCCPU_WRITE, &existed, false); if (ret != 0 || existed) ttm_bo_synccpu_write_release(&user_bo->dma.base); @@ -773,7 +773,7 @@ int vmw_user_dmabuf_reference(struct ttm_object_file *tfile, *handle = user_bo->prime.base.hash.key; return ttm_ref_object_add(tfile, &user_bo->prime.base, - TTM_REF_USAGE, NULL); + TTM_REF_USAGE, NULL, false); } /* diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c b/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c index b445ce9..05fa092 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c @@ -713,11 +713,14 @@ int vmw_surface_define_ioctl(struct drm_device *dev, void *data, 128; num_sizes = 0; - for (i = 0; i < DRM_VMW_MAX_SURFACE_FACES; ++i) + for (i = 0; i < DRM_VMW_MAX_SURFACE_FACES; ++i) { + if (req->mip_levels[i] > DRM_VMW_MAX_MIP_LEVELS) + return -EINVAL; num_sizes += req->mip_levels[i]; + } - if (num_sizes > DRM_VMW_MAX_SURFACE_FACES * - DRM_VMW_MAX_MIP_LEVELS) + if (num_sizes > DRM_VMW_MAX_SURFACE_FACES * DRM_VMW_MAX_MIP_LEVELS || + num_sizes == 0) return -EINVAL; size = vmw_user_surface_size + 128 + @@ -891,17 +894,16 @@ vmw_surface_handle_reference(struct vmw_private *dev_priv, uint32_t handle; struct ttm_base_object *base; int ret; + bool require_exist = false; if (handle_type == DRM_VMW_HANDLE_PRIME) { ret = ttm_prime_fd_to_handle(tfile, u_handle, &handle); if (unlikely(ret != 0)) return ret; } else { - if (unlikely(drm_is_render_client(file_priv))) { - DRM_ERROR("Render client refused legacy " - "surface reference.\n"); - return -EACCES; - } + if (unlikely(drm_is_render_client(file_priv))) + require_exist = true; + if (ACCESS_ONCE(vmw_fpriv(file_priv)->locked_master)) { DRM_ERROR("Locked master refused legacy " "surface reference.\n"); @@ -929,17 +931,14 @@ vmw_surface_handle_reference(struct vmw_private *dev_priv, /* * Make sure the surface creator has the same - * authenticating master. + * authenticating master, or is already registered with us. */ if (drm_is_primary_client(file_priv) && - user_srf->master != file_priv->master) { - DRM_ERROR("Trying to reference surface outside of" - " master domain.\n"); - ret = -EACCES; - goto out_bad_resource; - } + user_srf->master != file_priv->master) + require_exist = true; - ret = ttm_ref_object_add(tfile, base, TTM_REF_USAGE, NULL); + ret = ttm_ref_object_add(tfile, base, TTM_REF_USAGE, NULL, + require_exist); if (unlikely(ret != 0)) { DRM_ERROR("Could not add a reference to a surface.\n"); goto out_bad_resource; diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig index 1aeb80e..8c54cb8 100644 --- a/drivers/hid/Kconfig +++ b/drivers/hid/Kconfig @@ -175,11 +175,11 @@ config HID_CHERRY Support for Cherry Cymotion keyboard. config HID_CHICONY - tristate "Chicony Tactical pad" + tristate "Chicony devices" depends on HID default !EXPERT ---help--- - Support for Chicony Tactical pad. + Support for Chicony Tactical pad and special keys on Chicony keyboards. config HID_CORSAIR tristate "Corsair devices" @@ -190,6 +190,7 @@ config HID_CORSAIR Supported devices: - Vengeance K90 + - Scimitar PRO RGB config HID_PRODIKEYS tristate "Prodikeys PC-MIDI Keyboard support" diff --git a/drivers/hid/hid-chicony.c b/drivers/hid/hid-chicony.c index bc3cec1..f04ed9a 100644 --- a/drivers/hid/hid-chicony.c +++ b/drivers/hid/hid-chicony.c @@ -86,6 +86,7 @@ static const struct hid_device_id ch_devices[] = { { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS2) }, { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_AK1D) }, { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_ACER_SWITCH12) }, + { HID_USB_DEVICE(USB_VENDOR_ID_JESS, USB_DEVICE_ID_JESS_ZEN_AIO_KBD) }, { } }; MODULE_DEVICE_TABLE(hid, ch_devices); diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index e9e87d3..d162f0d 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -819,8 +819,7 @@ static int hid_scan_report(struct hid_device *hid) hid->group = HID_GROUP_WACOM; break; case USB_VENDOR_ID_SYNAPTICS: - if (hid->group == HID_GROUP_GENERIC || - hid->group == HID_GROUP_MULTITOUCH_WIN_8) + if (hid->group == HID_GROUP_GENERIC) if ((parser->scan_flags & HID_SCAN_FLAG_VENDOR_SPECIFIC) && (parser->scan_flags & HID_SCAN_FLAG_GD_POINTER)) /* @@ -1870,6 +1869,7 @@ static const struct hid_device_id hid_have_special_driver[] = { { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_AK1D) }, { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_ACER_SWITCH12) }, { HID_USB_DEVICE(USB_VENDOR_ID_CORSAIR, USB_DEVICE_ID_CORSAIR_K90) }, + { HID_USB_DEVICE(USB_VENDOR_ID_CORSAIR, USB_DEVICE_ID_CORSAIR_SCIMITAR_PRO_RGB) }, { HID_USB_DEVICE(USB_VENDOR_ID_CREATIVELABS, USB_DEVICE_ID_PRODIKEYS_PCMIDI) }, { HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_CP2112) }, { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_1) }, @@ -1910,6 +1910,7 @@ static const struct hid_device_id hid_have_special_driver[] = { { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A081) }, { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A0C2) }, { HID_USB_DEVICE(USB_VENDOR_ID_HUION, USB_DEVICE_ID_HUION_TABLET) }, + { HID_USB_DEVICE(USB_VENDOR_ID_JESS, USB_DEVICE_ID_JESS_ZEN_AIO_KBD) }, { HID_USB_DEVICE(USB_VENDOR_ID_JESS2, USB_DEVICE_ID_JESS2_COLOR_RUMBLE_PAD) }, { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ION, USB_DEVICE_ID_ICADE) }, { HID_USB_DEVICE(USB_VENDOR_ID_KENSINGTON, USB_DEVICE_ID_KS_SLIMBLADE) }, @@ -2094,6 +2095,7 @@ static const struct hid_device_id hid_have_special_driver[] = { { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UGEE_TABLET_45) }, { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_DRAWIMAGE_G3) }, { HID_USB_DEVICE(USB_VENDOR_ID_UGTIZER, USB_DEVICE_ID_UGTIZER_TABLET_GP0610) }, + { HID_USB_DEVICE(USB_VENDOR_ID_UGEE, USB_DEVICE_ID_UGEE_TABLET_EX07S) }, { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_SMARTJOY_PLUS) }, { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_SUPER_JOY_BOX_3) }, { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_DUAL_USB_JOYPAD) }, @@ -2110,6 +2112,7 @@ static const struct hid_device_id hid_have_special_driver[] = { { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SIRIUS_BATTERY_FREE_TABLET) }, { HID_USB_DEVICE(USB_VENDOR_ID_X_TENSIONS, USB_DEVICE_ID_SPEEDLINK_VAD_CEZANNE) }, { HID_USB_DEVICE(USB_VENDOR_ID_XIN_MO, USB_DEVICE_ID_XIN_MO_DUAL_ARCADE) }, + { HID_USB_DEVICE(USB_VENDOR_ID_XIN_MO, USB_DEVICE_ID_THT_2P_ARCADE) }, { HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0005) }, { HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0030) }, { HID_USB_DEVICE(USB_VENDOR_ID_ZYDACRON, USB_DEVICE_ID_ZYDACRON_REMOTE_CONTROL) }, diff --git a/drivers/hid/hid-corsair.c b/drivers/hid/hid-corsair.c index c0303f6..9ba5d98 100644 --- a/drivers/hid/hid-corsair.c +++ b/drivers/hid/hid-corsair.c @@ -3,8 +3,10 @@ * * Supported devices: * - Vengeance K90 Keyboard + * - Scimitar PRO RGB Gaming Mouse * * Copyright (c) 2015 Clement Vuchener + * Copyright (c) 2017 Oscar Campos */ /* @@ -670,10 +672,51 @@ static int corsair_input_mapping(struct hid_device *dev, return 0; } +/* + * The report descriptor of Corsair Scimitar RGB Pro gaming mouse is + * non parseable as they define two consecutive Logical Minimum for + * the Usage Page (Consumer) in rdescs bytes 75 and 77 being 77 0x16 + * that should be obviousy 0x26 for Logical Magimum of 16 bits. This + * prevents poper parsing of the report descriptor due Logical + * Minimum being larger than Logical Maximum. + * + * This driver fixes the report descriptor for: + * - USB ID b1c:1b3e, sold as Scimitar RGB Pro Gaming mouse + */ + +static __u8 *corsair_mouse_report_fixup(struct hid_device *hdev, __u8 *rdesc, + unsigned int *rsize) +{ + struct usb_interface *intf = to_usb_interface(hdev->dev.parent); + + if (intf->cur_altsetting->desc.bInterfaceNumber == 1) { + /* + * Corsair Scimitar RGB Pro report descriptor is broken and + * defines two different Logical Minimum for the Consumer + * Application. The byte 77 should be a 0x26 defining a 16 + * bits integer for the Logical Maximum but it is a 0x16 + * instead (Logical Minimum) + */ + switch (hdev->product) { + case USB_DEVICE_ID_CORSAIR_SCIMITAR_PRO_RGB: + if (*rsize >= 172 && rdesc[75] == 0x15 && rdesc[77] == 0x16 + && rdesc[78] == 0xff && rdesc[79] == 0x0f) { + hid_info(hdev, "Fixing up report descriptor\n"); + rdesc[77] = 0x26; + } + break; + } + + } + return rdesc; +} + static const struct hid_device_id corsair_devices[] = { { HID_USB_DEVICE(USB_VENDOR_ID_CORSAIR, USB_DEVICE_ID_CORSAIR_K90), .driver_data = CORSAIR_USE_K90_MACRO | CORSAIR_USE_K90_BACKLIGHT }, + { HID_USB_DEVICE(USB_VENDOR_ID_CORSAIR, + USB_DEVICE_ID_CORSAIR_SCIMITAR_PRO_RGB) }, {} }; @@ -686,10 +729,14 @@ static struct hid_driver corsair_driver = { .event = corsair_event, .remove = corsair_remove, .input_mapping = corsair_input_mapping, + .report_fixup = corsair_mouse_report_fixup, }; module_hid_driver(corsair_driver); MODULE_LICENSE("GPL"); +/* Original K90 driver author */ MODULE_AUTHOR("Clement Vuchener"); +/* Scimitar PRO RGB driver author */ +MODULE_AUTHOR("Oscar Campos"); MODULE_DESCRIPTION("HID driver for Corsair devices"); diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h index 86c95d3..b26c030 100644 --- a/drivers/hid/hid-ids.h +++ b/drivers/hid/hid-ids.h @@ -278,6 +278,9 @@ #define USB_DEVICE_ID_CORSAIR_K70RGB 0x1b13 #define USB_DEVICE_ID_CORSAIR_STRAFE 0x1b15 #define USB_DEVICE_ID_CORSAIR_K65RGB 0x1b17 +#define USB_DEVICE_ID_CORSAIR_K70RGB_RAPIDFIRE 0x1b38 +#define USB_DEVICE_ID_CORSAIR_K65RGB_RAPIDFIRE 0x1b39 +#define USB_DEVICE_ID_CORSAIR_SCIMITAR_PRO_RGB 0x1b3e #define USB_VENDOR_ID_CREATIVELABS 0x041e #define USB_DEVICE_ID_CREATIVE_SB_OMNI_SURROUND_51 0x322c @@ -557,6 +560,7 @@ #define USB_VENDOR_ID_JESS 0x0c45 #define USB_DEVICE_ID_JESS_YUREX 0x1010 +#define USB_DEVICE_ID_JESS_ZEN_AIO_KBD 0x5112 #define USB_VENDOR_ID_JESS2 0x0f30 #define USB_DEVICE_ID_JESS2_COLOR_RUMBLE_PAD 0x0111 @@ -1024,6 +1028,9 @@ #define USB_DEVICE_ID_UGEE_TABLET_45 0x0045 #define USB_DEVICE_ID_YIYNOVA_TABLET 0x004d +#define USB_VENDOR_ID_UGEE 0x28bd +#define USB_DEVICE_ID_UGEE_TABLET_EX07S 0x0071 + #define USB_VENDOR_ID_UNITEC 0x227d #define USB_DEVICE_ID_UNITEC_USB_TOUCH_0709 0x0709 #define USB_DEVICE_ID_UNITEC_USB_TOUCH_0A19 0x0a19 @@ -1078,6 +1085,7 @@ #define USB_VENDOR_ID_XIN_MO 0x16c0 #define USB_DEVICE_ID_XIN_MO_DUAL_ARCADE 0x05e1 +#define USB_DEVICE_ID_THT_2P_ARCADE 0x75e1 #define USB_VENDOR_ID_XIROKU 0x1477 #define USB_DEVICE_ID_XIROKU_SPX 0x1006 diff --git a/drivers/hid/hid-sony.c b/drivers/hid/hid-sony.c index f405b07..740996f 100644 --- a/drivers/hid/hid-sony.c +++ b/drivers/hid/hid-sony.c @@ -2632,6 +2632,8 @@ err_stop: sony_leds_remove(sc); if (sc->quirks & SONY_BATTERY_SUPPORT) sony_battery_remove(sc); + if (sc->touchpad) + sony_unregister_touchpad(sc); sony_cancel_work_sync(sc); kfree(sc->output_report_dmabuf); sony_remove_dev_list(sc); diff --git a/drivers/hid/hid-uclogic.c b/drivers/hid/hid-uclogic.c index 1509d72..e3e6e5c 100644 --- a/drivers/hid/hid-uclogic.c +++ b/drivers/hid/hid-uclogic.c @@ -977,6 +977,7 @@ static int uclogic_probe(struct hid_device *hdev, } break; case USB_DEVICE_ID_UGTIZER_TABLET_GP0610: + case USB_DEVICE_ID_UGEE_TABLET_EX07S: /* If this is the pen interface */ if (intf->cur_altsetting->desc.bInterfaceNumber == 1) { rc = uclogic_tablet_enable(hdev); @@ -1069,6 +1070,7 @@ static const struct hid_device_id uclogic_devices[] = { { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UGEE_TABLET_45) }, { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_DRAWIMAGE_G3) }, { HID_USB_DEVICE(USB_VENDOR_ID_UGTIZER, USB_DEVICE_ID_UGTIZER_TABLET_GP0610) }, + { HID_USB_DEVICE(USB_VENDOR_ID_UGEE, USB_DEVICE_ID_UGEE_TABLET_EX07S) }, { } }; MODULE_DEVICE_TABLE(hid, uclogic_devices); diff --git a/drivers/hid/hid-xinmo.c b/drivers/hid/hid-xinmo.c index 7df5227..9ad7731 100644 --- a/drivers/hid/hid-xinmo.c +++ b/drivers/hid/hid-xinmo.c @@ -46,6 +46,7 @@ static int xinmo_event(struct hid_device *hdev, struct hid_field *field, static const struct hid_device_id xinmo_devices[] = { { HID_USB_DEVICE(USB_VENDOR_ID_XIN_MO, USB_DEVICE_ID_XIN_MO_DUAL_ARCADE) }, + { HID_USB_DEVICE(USB_VENDOR_ID_XIN_MO, USB_DEVICE_ID_THT_2P_ARCADE) }, { } }; diff --git a/drivers/hid/usbhid/hid-quirks.c b/drivers/hid/usbhid/hid-quirks.c index d6847a6..a69a3c8 100644 --- a/drivers/hid/usbhid/hid-quirks.c +++ b/drivers/hid/usbhid/hid-quirks.c @@ -80,6 +80,9 @@ static const struct hid_blacklist { { USB_VENDOR_ID_CORSAIR, USB_DEVICE_ID_CORSAIR_K70RGB, HID_QUIRK_NO_INIT_REPORTS }, { USB_VENDOR_ID_CORSAIR, USB_DEVICE_ID_CORSAIR_K65RGB, HID_QUIRK_NO_INIT_REPORTS }, { USB_VENDOR_ID_CORSAIR, USB_DEVICE_ID_CORSAIR_STRAFE, HID_QUIRK_NO_INIT_REPORTS | HID_QUIRK_ALWAYS_POLL }, + { USB_VENDOR_ID_CORSAIR, USB_DEVICE_ID_CORSAIR_K70RGB_RAPIDFIRE, HID_QUIRK_NO_INIT_REPORTS | HID_QUIRK_ALWAYS_POLL }, + { USB_VENDOR_ID_CORSAIR, USB_DEVICE_ID_CORSAIR_K65RGB_RAPIDFIRE, HID_QUIRK_NO_INIT_REPORTS | HID_QUIRK_ALWAYS_POLL }, + { USB_VENDOR_ID_CORSAIR, USB_DEVICE_ID_CORSAIR_SCIMITAR_PRO_RGB, HID_QUIRK_NO_INIT_REPORTS | HID_QUIRK_ALWAYS_POLL }, { USB_VENDOR_ID_CREATIVELABS, USB_DEVICE_ID_CREATIVE_SB_OMNI_SURROUND_51, HID_QUIRK_NOGET }, { USB_VENDOR_ID_DMI, USB_DEVICE_ID_DMI_ENC, HID_QUIRK_NOGET }, { USB_VENDOR_ID_DRAGONRISE, USB_DEVICE_ID_DRAGONRISE_WIIU, HID_QUIRK_MULTI_INPUT }, diff --git a/drivers/hid/wacom_sys.c b/drivers/hid/wacom_sys.c index be8f7e2..e2666ef 100644 --- a/drivers/hid/wacom_sys.c +++ b/drivers/hid/wacom_sys.c @@ -2165,6 +2165,14 @@ static int wacom_parse_and_register(struct wacom *wacom, bool wireless) wacom_update_name(wacom, wireless ? " (WL)" : ""); + /* pen only Bamboo neither support touch nor pad */ + if ((features->type == BAMBOO_PEN) && + ((features->device_type & WACOM_DEVICETYPE_TOUCH) || + (features->device_type & WACOM_DEVICETYPE_PAD))) { + error = -ENODEV; + goto fail; + } + error = wacom_add_shared_data(hdev); if (error) goto fail; @@ -2208,14 +2216,8 @@ static int wacom_parse_and_register(struct wacom *wacom, bool wireless) /* touch only Bamboo doesn't support pen */ if ((features->type == BAMBOO_TOUCH) && (features->device_type & WACOM_DEVICETYPE_PEN)) { - error = -ENODEV; - goto fail_quirks; - } - - /* pen only Bamboo neither support touch nor pad */ - if ((features->type == BAMBOO_PEN) && - ((features->device_type & WACOM_DEVICETYPE_TOUCH) || - (features->device_type & WACOM_DEVICETYPE_PAD))) { + cancel_delayed_work_sync(&wacom->init_work); + _wacom_query_tablet_data(wacom); error = -ENODEV; goto fail_quirks; } @@ -2579,7 +2581,9 @@ static void wacom_remove(struct hid_device *hdev) /* make sure we don't trigger the LEDs */ wacom_led_groups_release(wacom); - wacom_release_resources(wacom); + + if (wacom->wacom_wac.features.type != REMOTE) + wacom_release_resources(wacom); hid_set_drvdata(hdev, NULL); } diff --git a/drivers/hid/wacom_wac.c b/drivers/hid/wacom_wac.c index 4aa3de9..94250c2 100644 --- a/drivers/hid/wacom_wac.c +++ b/drivers/hid/wacom_wac.c @@ -1959,8 +1959,10 @@ static void wacom_wac_pen_usage_mapping(struct hid_device *hdev, input_set_capability(input, EV_KEY, BTN_TOOL_BRUSH); input_set_capability(input, EV_KEY, BTN_TOOL_PENCIL); input_set_capability(input, EV_KEY, BTN_TOOL_AIRBRUSH); - input_set_capability(input, EV_KEY, BTN_TOOL_MOUSE); - input_set_capability(input, EV_KEY, BTN_TOOL_LENS); + if (!(features->device_type & WACOM_DEVICETYPE_DIRECT)) { + input_set_capability(input, EV_KEY, BTN_TOOL_MOUSE); + input_set_capability(input, EV_KEY, BTN_TOOL_LENS); + } break; case WACOM_HID_WD_FINGERWHEEL: wacom_map_usage(input, usage, field, EV_ABS, ABS_WHEEL, 0); @@ -4197,10 +4199,10 @@ static const struct wacom_features wacom_features_0x343 = WACOM_DTU_OFFSET, WACOM_DTU_OFFSET }; static const struct wacom_features wacom_features_0x360 = { "Wacom Intuos Pro M", 44800, 29600, 8191, 63, - INTUOSP2_BT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, 9, .touch_max = 10 }; + INTUOSP2_BT, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9, .touch_max = 10 }; static const struct wacom_features wacom_features_0x361 = { "Wacom Intuos Pro L", 62200, 43200, 8191, 63, - INTUOSP2_BT, WACOM_INTUOS_RES, WACOM_INTUOS_RES, 9, .touch_max = 10 }; + INTUOSP2_BT, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES, 9, .touch_max = 10 }; static const struct wacom_features wacom_features_HID_ANY_ID = { "Wacom HID", .type = HID_GENERIC, .oVid = HID_ANY_ID, .oPid = HID_ANY_ID }; diff --git a/drivers/hv/channel.c b/drivers/hv/channel.c index bd0d198..321b883 100644 --- a/drivers/hv/channel.c +++ b/drivers/hv/channel.c @@ -502,12 +502,15 @@ int vmbus_teardown_gpadl(struct vmbus_channel *channel, u32 gpadl_handle) wait_for_completion(&info->waitevent); - if (channel->rescind) { - ret = -ENODEV; - goto post_msg_err; - } - post_msg_err: + /* + * If the channel has been rescinded; + * we will be awakened by the rescind + * handler; set the error code to zero so we don't leak memory. + */ + if (channel->rescind) + ret = 0; + spin_lock_irqsave(&vmbus_connection.channelmsg_lock, flags); list_del(&info->msglistentry); spin_unlock_irqrestore(&vmbus_connection.channelmsg_lock, flags); @@ -530,15 +533,13 @@ static int vmbus_close_internal(struct vmbus_channel *channel) int ret; /* - * vmbus_on_event(), running in the tasklet, can race + * vmbus_on_event(), running in the per-channel tasklet, can race * with vmbus_close_internal() in the case of SMP guest, e.g., when * the former is accessing channel->inbound.ring_buffer, the latter - * could be freeing the ring_buffer pages. - * - * To resolve the race, we can serialize them by disabling the - * tasklet when the latter is running here. + * could be freeing the ring_buffer pages, so here we must stop it + * first. */ - hv_event_tasklet_disable(channel); + tasklet_disable(&channel->callback_event); /* * In case a device driver's probe() fails (e.g., @@ -605,8 +606,6 @@ static int vmbus_close_internal(struct vmbus_channel *channel) get_order(channel->ringbuffer_pagecount * PAGE_SIZE)); out: - hv_event_tasklet_enable(channel); - return ret; } diff --git a/drivers/hv/channel_mgmt.c b/drivers/hv/channel_mgmt.c index f33465d..fbcb063 100644 --- a/drivers/hv/channel_mgmt.c +++ b/drivers/hv/channel_mgmt.c @@ -350,7 +350,8 @@ static struct vmbus_channel *alloc_channel(void) static void free_channel(struct vmbus_channel *channel) { tasklet_kill(&channel->callback_event); - kfree(channel); + + kfree_rcu(channel, rcu); } static void percpu_channel_enq(void *arg) @@ -359,14 +360,14 @@ static void percpu_channel_enq(void *arg) struct hv_per_cpu_context *hv_cpu = this_cpu_ptr(hv_context.cpu_context); - list_add_tail(&channel->percpu_list, &hv_cpu->chan_list); + list_add_tail_rcu(&channel->percpu_list, &hv_cpu->chan_list); } static void percpu_channel_deq(void *arg) { struct vmbus_channel *channel = arg; - list_del(&channel->percpu_list); + list_del_rcu(&channel->percpu_list); } @@ -381,19 +382,6 @@ static void vmbus_release_relid(u32 relid) true); } -void hv_event_tasklet_disable(struct vmbus_channel *channel) -{ - tasklet_disable(&channel->callback_event); -} - -void hv_event_tasklet_enable(struct vmbus_channel *channel) -{ - tasklet_enable(&channel->callback_event); - - /* In case there is any pending event */ - tasklet_schedule(&channel->callback_event); -} - void hv_process_channel_removal(struct vmbus_channel *channel, u32 relid) { unsigned long flags; @@ -402,7 +390,6 @@ void hv_process_channel_removal(struct vmbus_channel *channel, u32 relid) BUG_ON(!channel->rescind); BUG_ON(!mutex_is_locked(&vmbus_connection.channel_mutex)); - hv_event_tasklet_disable(channel); if (channel->target_cpu != get_cpu()) { put_cpu(); smp_call_function_single(channel->target_cpu, @@ -411,7 +398,6 @@ void hv_process_channel_removal(struct vmbus_channel *channel, u32 relid) percpu_channel_deq(channel); put_cpu(); } - hv_event_tasklet_enable(channel); if (channel->primary_channel == NULL) { list_del(&channel->listentry); @@ -505,7 +491,6 @@ static void vmbus_process_offer(struct vmbus_channel *newchannel) init_vp_index(newchannel, dev_type); - hv_event_tasklet_disable(newchannel); if (newchannel->target_cpu != get_cpu()) { put_cpu(); smp_call_function_single(newchannel->target_cpu, @@ -515,7 +500,6 @@ static void vmbus_process_offer(struct vmbus_channel *newchannel) percpu_channel_enq(newchannel); put_cpu(); } - hv_event_tasklet_enable(newchannel); /* * This state is used to indicate a successful open @@ -565,7 +549,6 @@ err_deq_chan: list_del(&newchannel->listentry); mutex_unlock(&vmbus_connection.channel_mutex); - hv_event_tasklet_disable(newchannel); if (newchannel->target_cpu != get_cpu()) { put_cpu(); smp_call_function_single(newchannel->target_cpu, @@ -574,7 +557,6 @@ err_deq_chan: percpu_channel_deq(newchannel); put_cpu(); } - hv_event_tasklet_enable(newchannel); vmbus_release_relid(newchannel->offermsg.child_relid); @@ -814,6 +796,7 @@ static void vmbus_onoffer(struct vmbus_channel_message_header *hdr) /* Allocate the channel object and save this offer. */ newchannel = alloc_channel(); if (!newchannel) { + vmbus_release_relid(offer->child_relid); pr_err("Unable to allocate channel object\n"); return; } diff --git a/drivers/hv/hv_fcopy.c b/drivers/hv/hv_fcopy.c index 9aee601..a5596a6 100644 --- a/drivers/hv/hv_fcopy.c +++ b/drivers/hv/hv_fcopy.c @@ -71,7 +71,6 @@ static DECLARE_WORK(fcopy_send_work, fcopy_send_data); static const char fcopy_devname[] = "vmbus/hv_fcopy"; static u8 *recv_buffer; static struct hvutil_transport *hvt; -static struct completion release_event; /* * This state maintains the version number registered by the daemon. */ @@ -331,7 +330,6 @@ static void fcopy_on_reset(void) if (cancel_delayed_work_sync(&fcopy_timeout_work)) fcopy_respond_to_host(HV_E_FAIL); - complete(&release_event); } int hv_fcopy_init(struct hv_util_service *srv) @@ -339,7 +337,6 @@ int hv_fcopy_init(struct hv_util_service *srv) recv_buffer = srv->recv_buffer; fcopy_transaction.recv_channel = srv->channel; - init_completion(&release_event); /* * When this driver loads, the user level daemon that * processes the host requests may not yet be running. @@ -361,5 +358,4 @@ void hv_fcopy_deinit(void) fcopy_transaction.state = HVUTIL_DEVICE_DYING; cancel_delayed_work_sync(&fcopy_timeout_work); hvutil_transport_destroy(hvt); - wait_for_completion(&release_event); } diff --git a/drivers/hv/hv_kvp.c b/drivers/hv/hv_kvp.c index de26371..a1adfe2 100644 --- a/drivers/hv/hv_kvp.c +++ b/drivers/hv/hv_kvp.c @@ -101,7 +101,6 @@ static DECLARE_WORK(kvp_sendkey_work, kvp_send_key); static const char kvp_devname[] = "vmbus/hv_kvp"; static u8 *recv_buffer; static struct hvutil_transport *hvt; -static struct completion release_event; /* * Register the kernel component with the user-level daemon. * As part of this registration, pass the LIC version number. @@ -714,7 +713,6 @@ static void kvp_on_reset(void) if (cancel_delayed_work_sync(&kvp_timeout_work)) kvp_respond_to_host(NULL, HV_E_FAIL); kvp_transaction.state = HVUTIL_DEVICE_INIT; - complete(&release_event); } int @@ -723,7 +721,6 @@ hv_kvp_init(struct hv_util_service *srv) recv_buffer = srv->recv_buffer; kvp_transaction.recv_channel = srv->channel; - init_completion(&release_event); /* * When this driver loads, the user level daemon that * processes the host requests may not yet be running. @@ -747,5 +744,4 @@ void hv_kvp_deinit(void) cancel_delayed_work_sync(&kvp_timeout_work); cancel_work_sync(&kvp_sendkey_work); hvutil_transport_destroy(hvt); - wait_for_completion(&release_event); } diff --git a/drivers/hv/hv_snapshot.c b/drivers/hv/hv_snapshot.c index bcc03f0..e659d1b 100644 --- a/drivers/hv/hv_snapshot.c +++ b/drivers/hv/hv_snapshot.c @@ -79,7 +79,6 @@ static int dm_reg_value; static const char vss_devname[] = "vmbus/hv_vss"; static __u8 *recv_buffer; static struct hvutil_transport *hvt; -static struct completion release_event; static void vss_timeout_func(struct work_struct *dummy); static void vss_handle_request(struct work_struct *dummy); @@ -361,13 +360,11 @@ static void vss_on_reset(void) if (cancel_delayed_work_sync(&vss_timeout_work)) vss_respond_to_host(HV_E_FAIL); vss_transaction.state = HVUTIL_DEVICE_INIT; - complete(&release_event); } int hv_vss_init(struct hv_util_service *srv) { - init_completion(&release_event); if (vmbus_proto_version < VERSION_WIN8_1) { pr_warn("Integration service 'Backup (volume snapshot)'" " not supported on this host version.\n"); @@ -400,5 +397,4 @@ void hv_vss_deinit(void) cancel_delayed_work_sync(&vss_timeout_work); cancel_work_sync(&vss_handle_request_work); hvutil_transport_destroy(hvt); - wait_for_completion(&release_event); } diff --git a/drivers/hv/hv_util.c b/drivers/hv/hv_util.c index 3042eaa..186b100 100644 --- a/drivers/hv/hv_util.c +++ b/drivers/hv/hv_util.c @@ -590,6 +590,8 @@ static int hv_timesync_init(struct hv_util_service *srv) if (!hyperv_cs) return -ENODEV; + spin_lock_init(&host_ts.lock); + INIT_WORK(&wrk.work, hv_set_host_time); /* diff --git a/drivers/hv/hv_utils_transport.c b/drivers/hv/hv_utils_transport.c index c235a95..4402a71 100644 --- a/drivers/hv/hv_utils_transport.c +++ b/drivers/hv/hv_utils_transport.c @@ -182,10 +182,11 @@ static int hvt_op_release(struct inode *inode, struct file *file) * connects back. */ hvt_reset(hvt); - mutex_unlock(&hvt->lock); if (mode_old == HVUTIL_TRANSPORT_DESTROY) - hvt_transport_free(hvt); + complete(&hvt->release); + + mutex_unlock(&hvt->lock); return 0; } @@ -304,6 +305,7 @@ struct hvutil_transport *hvutil_transport_init(const char *name, init_waitqueue_head(&hvt->outmsg_q); mutex_init(&hvt->lock); + init_completion(&hvt->release); spin_lock(&hvt_list_lock); list_add(&hvt->list, &hvt_list); @@ -351,6 +353,8 @@ void hvutil_transport_destroy(struct hvutil_transport *hvt) if (hvt->cn_id.idx > 0 && hvt->cn_id.val > 0) cn_del_callback(&hvt->cn_id); - if (mode_old != HVUTIL_TRANSPORT_CHARDEV) - hvt_transport_free(hvt); + if (mode_old == HVUTIL_TRANSPORT_CHARDEV) + wait_for_completion(&hvt->release); + + hvt_transport_free(hvt); } diff --git a/drivers/hv/hv_utils_transport.h b/drivers/hv/hv_utils_transport.h index d98f522..79afb62 100644 --- a/drivers/hv/hv_utils_transport.h +++ b/drivers/hv/hv_utils_transport.h @@ -41,6 +41,7 @@ struct hvutil_transport { int outmsg_len; /* its length */ wait_queue_head_t outmsg_q; /* poll/read wait queue */ struct mutex lock; /* protects struct members */ + struct completion release; /* synchronize with fd release */ }; struct hvutil_transport *hvutil_transport_init(const char *name, diff --git a/drivers/hv/vmbus_drv.c b/drivers/hv/vmbus_drv.c index da6b59b..8370b9d 100644 --- a/drivers/hv/vmbus_drv.c +++ b/drivers/hv/vmbus_drv.c @@ -939,8 +939,10 @@ static void vmbus_chan_sched(struct hv_per_cpu_context *hv_cpu) if (relid == 0) continue; + rcu_read_lock(); + /* Find channel based on relid */ - list_for_each_entry(channel, &hv_cpu->chan_list, percpu_list) { + list_for_each_entry_rcu(channel, &hv_cpu->chan_list, percpu_list) { if (channel->offermsg.child_relid != relid) continue; @@ -956,6 +958,8 @@ static void vmbus_chan_sched(struct hv_per_cpu_context *hv_cpu) tasklet_schedule(&channel->callback_event); } } + + rcu_read_unlock(); } } diff --git a/drivers/hwmon/asus_atk0110.c b/drivers/hwmon/asus_atk0110.c index cccef87..975c43d 100644 --- a/drivers/hwmon/asus_atk0110.c +++ b/drivers/hwmon/asus_atk0110.c @@ -646,6 +646,9 @@ static int atk_read_value(struct atk_sensor_data *sensor, u64 *value) else err = atk_read_value_new(sensor, value); + if (err) + return err; + sensor->is_valid = true; sensor->last_updated = jiffies; sensor->cached_value = *value; diff --git a/drivers/hwmon/it87.c b/drivers/hwmon/it87.c index efb01c2..4dfc723 100644 --- a/drivers/hwmon/it87.c +++ b/drivers/hwmon/it87.c @@ -3198,7 +3198,7 @@ static int __init sm_it87_init(void) { int sioaddr[2] = { REG_2E, REG_4E }; struct it87_sio_data sio_data; - unsigned short isa_address; + unsigned short isa_address[2]; bool found = false; int i, err; @@ -3208,15 +3208,29 @@ static int __init sm_it87_init(void) for (i = 0; i < ARRAY_SIZE(sioaddr); i++) { memset(&sio_data, 0, sizeof(struct it87_sio_data)); - isa_address = 0; - err = it87_find(sioaddr[i], &isa_address, &sio_data); - if (err || isa_address == 0) + isa_address[i] = 0; + err = it87_find(sioaddr[i], &isa_address[i], &sio_data); + if (err || isa_address[i] == 0) continue; + /* + * Don't register second chip if its ISA address matches + * the first chip's ISA address. + */ + if (i && isa_address[i] == isa_address[0]) + break; - err = it87_device_add(i, isa_address, &sio_data); + err = it87_device_add(i, isa_address[i], &sio_data); if (err) goto exit_dev_unregister; + found = true; + + /* + * IT8705F may respond on both SIO addresses. + * Stop probing after finding one. + */ + if (sio_data.type == it87) + break; } if (!found) { diff --git a/drivers/hwmon/max31790.c b/drivers/hwmon/max31790.c index c1b9275..281491c 100644 --- a/drivers/hwmon/max31790.c +++ b/drivers/hwmon/max31790.c @@ -311,7 +311,7 @@ static int max31790_write_pwm(struct device *dev, u32 attr, int channel, data->pwm[channel] = val << 8; err = i2c_smbus_write_word_swapped(client, MAX31790_REG_PWMOUT(channel), - val); + data->pwm[channel]); break; case hwmon_pwm_enable: fan_config = data->fan_config[channel]; diff --git a/drivers/hwtracing/intel_th/core.c b/drivers/hwtracing/intel_th/core.c index cdd9b3b..7563ece 100644 --- a/drivers/hwtracing/intel_th/core.c +++ b/drivers/hwtracing/intel_th/core.c @@ -221,8 +221,10 @@ static int intel_th_output_activate(struct intel_th_device *thdev) else intel_th_trace_enable(thdev); - if (ret) + if (ret) { pm_runtime_put(&thdev->dev); + module_put(thdrv->driver.owner); + } return ret; } diff --git a/drivers/hwtracing/intel_th/pci.c b/drivers/hwtracing/intel_th/pci.c index 0bba384..590cf90 100644 --- a/drivers/hwtracing/intel_th/pci.c +++ b/drivers/hwtracing/intel_th/pci.c @@ -85,6 +85,16 @@ static const struct pci_device_id intel_th_pci_id_table[] = { PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0xa2a6), .driver_data = (kernel_ulong_t)0, }, + { + /* Denverton */ + PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x19e1), + .driver_data = (kernel_ulong_t)0, + }, + { + /* Gemini Lake */ + PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x318e), + .driver_data = (kernel_ulong_t)0, + }, { 0 }, }; diff --git a/drivers/i2c/muxes/i2c-mux-pca954x.c b/drivers/i2c/muxes/i2c-mux-pca954x.c index dfc1c0e..ad31d21 100644 --- a/drivers/i2c/muxes/i2c-mux-pca954x.c +++ b/drivers/i2c/muxes/i2c-mux-pca954x.c @@ -35,7 +35,6 @@ * warranty of any kind, whether express or implied. */ -#include <linux/acpi.h> #include <linux/device.h> #include <linux/gpio/consumer.h> #include <linux/i2c.h> @@ -117,6 +116,10 @@ static const struct chip_desc chips[] = { .has_irq = 1, .muxtype = pca954x_isswi, }, + [pca_9546] = { + .nchans = 4, + .muxtype = pca954x_isswi, + }, [pca_9547] = { .nchans = 8, .enable = 0x8, @@ -134,28 +137,13 @@ static const struct i2c_device_id pca954x_id[] = { { "pca9543", pca_9543 }, { "pca9544", pca_9544 }, { "pca9545", pca_9545 }, - { "pca9546", pca_9545 }, + { "pca9546", pca_9546 }, { "pca9547", pca_9547 }, { "pca9548", pca_9548 }, { } }; MODULE_DEVICE_TABLE(i2c, pca954x_id); -#ifdef CONFIG_ACPI -static const struct acpi_device_id pca954x_acpi_ids[] = { - { .id = "PCA9540", .driver_data = pca_9540 }, - { .id = "PCA9542", .driver_data = pca_9542 }, - { .id = "PCA9543", .driver_data = pca_9543 }, - { .id = "PCA9544", .driver_data = pca_9544 }, - { .id = "PCA9545", .driver_data = pca_9545 }, - { .id = "PCA9546", .driver_data = pca_9545 }, - { .id = "PCA9547", .driver_data = pca_9547 }, - { .id = "PCA9548", .driver_data = pca_9548 }, - { } -}; -MODULE_DEVICE_TABLE(acpi, pca954x_acpi_ids); -#endif - #ifdef CONFIG_OF static const struct of_device_id pca954x_of_match[] = { { .compatible = "nxp,pca9540", .data = &chips[pca_9540] }, @@ -393,17 +381,8 @@ static int pca954x_probe(struct i2c_client *client, match = of_match_device(of_match_ptr(pca954x_of_match), &client->dev); if (match) data->chip = of_device_get_match_data(&client->dev); - else if (id) + else data->chip = &chips[id->driver_data]; - else { - const struct acpi_device_id *acpi_id; - - acpi_id = acpi_match_device(ACPI_PTR(pca954x_acpi_ids), - &client->dev); - if (!acpi_id) - return -ENODEV; - data->chip = &chips[acpi_id->driver_data]; - } data->last_chan = 0; /* force the first selection */ @@ -492,7 +471,6 @@ static struct i2c_driver pca954x_driver = { .name = "pca954x", .pm = &pca954x_pm, .of_match_table = of_match_ptr(pca954x_of_match), - .acpi_match_table = ACPI_PTR(pca954x_acpi_ids), }, .probe = pca954x_probe, .remove = pca954x_remove, diff --git a/drivers/iio/accel/hid-sensor-accel-3d.c b/drivers/iio/accel/hid-sensor-accel-3d.c index ca5759c..43a6cb0 100644 --- a/drivers/iio/accel/hid-sensor-accel-3d.c +++ b/drivers/iio/accel/hid-sensor-accel-3d.c @@ -370,10 +370,12 @@ static int hid_accel_3d_probe(struct platform_device *pdev) name = "accel_3d"; channel_spec = accel_3d_channels; channel_size = sizeof(accel_3d_channels); + indio_dev->num_channels = ARRAY_SIZE(accel_3d_channels); } else { name = "gravity"; channel_spec = gravity_channels; channel_size = sizeof(gravity_channels); + indio_dev->num_channels = ARRAY_SIZE(gravity_channels); } ret = hid_sensor_parse_common_attributes(hsdev, hsdev->usage, &accel_state->common_attributes); @@ -395,7 +397,6 @@ static int hid_accel_3d_probe(struct platform_device *pdev) goto error_free_dev_mem; } - indio_dev->num_channels = ARRAY_SIZE(accel_3d_channels); indio_dev->dev.parent = &pdev->dev; indio_dev->info = &accel_3d_info; indio_dev->name = name; diff --git a/drivers/iio/adc/ti_am335x_adc.c b/drivers/iio/adc/ti_am335x_adc.c index ad9dec3..4282cec 100644 --- a/drivers/iio/adc/ti_am335x_adc.c +++ b/drivers/iio/adc/ti_am335x_adc.c @@ -169,7 +169,9 @@ static irqreturn_t tiadc_irq_h(int irq, void *private) { struct iio_dev *indio_dev = private; struct tiadc_device *adc_dev = iio_priv(indio_dev); - unsigned int status, config; + unsigned int status, config, adc_fsm; + unsigned short count = 0; + status = tiadc_readl(adc_dev, REG_IRQSTATUS); /* @@ -183,6 +185,15 @@ static irqreturn_t tiadc_irq_h(int irq, void *private) tiadc_writel(adc_dev, REG_CTRL, config); tiadc_writel(adc_dev, REG_IRQSTATUS, IRQENB_FIFO1OVRRUN | IRQENB_FIFO1UNDRFLW | IRQENB_FIFO1THRES); + + /* wait for idle state. + * ADC needs to finish the current conversion + * before disabling the module + */ + do { + adc_fsm = tiadc_readl(adc_dev, REG_ADCFSM); + } while (adc_fsm != 0x10 && count++ < 100); + tiadc_writel(adc_dev, REG_CTRL, (config | CNTRLREG_TSCSSENB)); return IRQ_HANDLED; } else if (status & IRQENB_FIFO1THRES) { diff --git a/drivers/iio/common/cros_ec_sensors/cros_ec_sensors.c b/drivers/iio/common/cros_ec_sensors/cros_ec_sensors.c index d6c372b..c17596f 100644 --- a/drivers/iio/common/cros_ec_sensors/cros_ec_sensors.c +++ b/drivers/iio/common/cros_ec_sensors/cros_ec_sensors.c @@ -61,7 +61,7 @@ static int cros_ec_sensors_read(struct iio_dev *indio_dev, ret = st->core.read_ec_sensors_data(indio_dev, 1 << idx, &data); if (ret < 0) break; - + ret = IIO_VAL_INT; *val = data; break; case IIO_CHAN_INFO_CALIBBIAS: @@ -76,7 +76,7 @@ static int cros_ec_sensors_read(struct iio_dev *indio_dev, for (i = CROS_EC_SENSOR_X; i < CROS_EC_SENSOR_MAX_AXIS; i++) st->core.calib[i] = st->core.resp->sensor_offset.offset[i]; - + ret = IIO_VAL_INT; *val = st->core.calib[idx]; break; case IIO_CHAN_INFO_SCALE: diff --git a/drivers/iio/common/hid-sensors/hid-sensor-attributes.c b/drivers/iio/common/hid-sensors/hid-sensor-attributes.c index 7afdac42..01e02b9 100644 --- a/drivers/iio/common/hid-sensors/hid-sensor-attributes.c +++ b/drivers/iio/common/hid-sensors/hid-sensor-attributes.c @@ -379,6 +379,8 @@ int hid_sensor_parse_common_attributes(struct hid_sensor_hub_device *hsdev, { struct hid_sensor_hub_attribute_info timestamp; + s32 value; + int ret; hid_sensor_get_reporting_interval(hsdev, usage_id, st); @@ -417,6 +419,14 @@ int hid_sensor_parse_common_attributes(struct hid_sensor_hub_device *hsdev, st->sensitivity.index, st->sensitivity.report_id, timestamp.index, timestamp.report_id); + ret = sensor_hub_get_feature(hsdev, + st->power_state.report_id, + st->power_state.index, sizeof(value), &value); + if (ret < 0) + return ret; + if (value < 0) + return -EINVAL; + return 0; } EXPORT_SYMBOL(hid_sensor_parse_common_attributes); diff --git a/drivers/iio/common/hid-sensors/hid-sensor-trigger.c b/drivers/iio/common/hid-sensors/hid-sensor-trigger.c index a3cce3a..ecf592d 100644 --- a/drivers/iio/common/hid-sensors/hid-sensor-trigger.c +++ b/drivers/iio/common/hid-sensors/hid-sensor-trigger.c @@ -51,8 +51,6 @@ static int _hid_sensor_power_state(struct hid_sensor_common *st, bool state) st->report_state.report_id, st->report_state.index, HID_USAGE_SENSOR_PROP_REPORTING_STATE_ALL_EVENTS_ENUM); - - poll_value = hid_sensor_read_poll_value(st); } else { int val; @@ -89,7 +87,9 @@ static int _hid_sensor_power_state(struct hid_sensor_common *st, bool state) sensor_hub_get_feature(st->hsdev, st->power_state.report_id, st->power_state.index, sizeof(state_val), &state_val); - if (state && poll_value) + if (state) + poll_value = hid_sensor_read_poll_value(st); + if (poll_value > 0) msleep_interruptible(poll_value * 2); return 0; diff --git a/drivers/iio/gyro/bmg160_core.c b/drivers/iio/gyro/bmg160_core.c index f7fcfa8..821919d 100644 --- a/drivers/iio/gyro/bmg160_core.c +++ b/drivers/iio/gyro/bmg160_core.c @@ -27,6 +27,7 @@ #include <linux/iio/trigger_consumer.h> #include <linux/iio/triggered_buffer.h> #include <linux/regmap.h> +#include <linux/delay.h> #include "bmg160.h" #define BMG160_IRQ_NAME "bmg160_event" @@ -52,6 +53,9 @@ #define BMG160_DEF_BW 100 #define BMG160_REG_PMU_BW_RES BIT(7) +#define BMG160_GYRO_REG_RESET 0x14 +#define BMG160_GYRO_RESET_VAL 0xb6 + #define BMG160_REG_INT_MAP_0 0x17 #define BMG160_INT_MAP_0_BIT_ANY BIT(1) @@ -236,6 +240,14 @@ static int bmg160_chip_init(struct bmg160_data *data) int ret; unsigned int val; + /* + * Reset chip to get it in a known good state. A delay of 30ms after + * reset is required according to the datasheet. + */ + regmap_write(data->regmap, BMG160_GYRO_REG_RESET, + BMG160_GYRO_RESET_VAL); + usleep_range(30000, 30700); + ret = regmap_read(data->regmap, BMG160_REG_CHIP_ID, &val); if (ret < 0) { dev_err(dev, "Error reading reg_chip_id\n"); diff --git a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c index 78532ce..81b572d 100644 --- a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c +++ b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c @@ -193,8 +193,8 @@ int st_lsm6dsx_update_watermark(struct st_lsm6dsx_sensor *sensor, u16 watermark) if (err < 0) goto out; - fifo_watermark = ((data & ~ST_LSM6DSX_FIFO_TH_MASK) << 8) | - (fifo_watermark & ST_LSM6DSX_FIFO_TH_MASK); + fifo_watermark = ((data << 8) & ~ST_LSM6DSX_FIFO_TH_MASK) | + (fifo_watermark & ST_LSM6DSX_FIFO_TH_MASK); wdata = cpu_to_le16(fifo_watermark); err = hw->tf->write(hw->dev, ST_LSM6DSX_REG_FIFO_THL_ADDR, diff --git a/drivers/iio/industrialio-core.c b/drivers/iio/industrialio-core.c index d18ded4..3ff91e0 100644 --- a/drivers/iio/industrialio-core.c +++ b/drivers/iio/industrialio-core.c @@ -610,10 +610,9 @@ static ssize_t __iio_format_value(char *buf, size_t len, unsigned int type, tmp0 = (int)div_s64_rem(tmp, 1000000000, &tmp1); return snprintf(buf, len, "%d.%09u", tmp0, abs(tmp1)); case IIO_VAL_FRACTIONAL_LOG2: - tmp = (s64)vals[0] * 1000000000LL >> vals[1]; - tmp1 = do_div(tmp, 1000000000LL); - tmp0 = tmp; - return snprintf(buf, len, "%d.%09u", tmp0, tmp1); + tmp = shift_right((s64)vals[0] * 1000000000LL, vals[1]); + tmp0 = (int)div_s64_rem(tmp, 1000000000LL, &tmp1); + return snprintf(buf, len, "%d.%09u", tmp0, abs(tmp1)); case IIO_VAL_INT_MULTIPLE: { int i; diff --git a/drivers/iio/magnetometer/ak8974.c b/drivers/iio/magnetometer/ak8974.c index 6dd8cbd..e13370d 100644 --- a/drivers/iio/magnetometer/ak8974.c +++ b/drivers/iio/magnetometer/ak8974.c @@ -763,7 +763,7 @@ power_off: return ret; } -static int __exit ak8974_remove(struct i2c_client *i2c) +static int ak8974_remove(struct i2c_client *i2c) { struct iio_dev *indio_dev = i2c_get_clientdata(i2c); struct ak8974 *ak8974 = iio_priv(indio_dev); @@ -845,7 +845,7 @@ static struct i2c_driver ak8974_driver = { .of_match_table = of_match_ptr(ak8974_of_match), }, .probe = ak8974_probe, - .remove = __exit_p(ak8974_remove), + .remove = ak8974_remove, .id_table = ak8974_id, }; module_i2c_driver(ak8974_driver); diff --git a/drivers/iio/pressure/st_pressure_core.c b/drivers/iio/pressure/st_pressure_core.c index 5f26808..fd0edca 100644 --- a/drivers/iio/pressure/st_pressure_core.c +++ b/drivers/iio/pressure/st_pressure_core.c @@ -457,6 +457,7 @@ static const struct st_sensor_settings st_press_sensors_settings[] = { .addr_stat_drdy = ST_SENSORS_DEFAULT_STAT_ADDR, }, .multi_read_bit = true, + .bootime = 2, }, }; diff --git a/drivers/infiniband/core/cq.c b/drivers/infiniband/core/cq.c index e955101..f2ae75f 100644 --- a/drivers/infiniband/core/cq.c +++ b/drivers/infiniband/core/cq.c @@ -29,7 +29,13 @@ static int __ib_process_cq(struct ib_cq *cq, int budget) { int i, n, completed = 0; - while ((n = ib_poll_cq(cq, IB_POLL_BATCH, cq->wc)) > 0) { + /* + * budget might be (-1) if the caller does not + * want to bound this call, thus we need unsigned + * minimum here. + */ + while ((n = ib_poll_cq(cq, min_t(u32, IB_POLL_BATCH, + budget - completed), cq->wc)) > 0) { for (i = 0; i < n; i++) { struct ib_wc *wc = &cq->wc[i]; @@ -196,7 +202,7 @@ void ib_free_cq(struct ib_cq *cq) irq_poll_disable(&cq->iop); break; case IB_POLL_WORKQUEUE: - flush_work(&cq->work); + cancel_work_sync(&cq->work); break; default: WARN_ON_ONCE(1); diff --git a/drivers/infiniband/core/device.c b/drivers/infiniband/core/device.c index 593d2ce..7c9e34d 100644 --- a/drivers/infiniband/core/device.c +++ b/drivers/infiniband/core/device.c @@ -336,12 +336,26 @@ int ib_register_device(struct ib_device *device, struct device *parent = device->dev.parent; WARN_ON_ONCE(!parent); - if (!device->dev.dma_ops) - device->dev.dma_ops = parent->dma_ops; - if (!device->dev.dma_mask) - device->dev.dma_mask = parent->dma_mask; - if (!device->dev.coherent_dma_mask) - device->dev.coherent_dma_mask = parent->coherent_dma_mask; + WARN_ON_ONCE(device->dma_device); + if (device->dev.dma_ops) { + /* + * The caller provided custom DMA operations. Copy the + * DMA-related fields that are used by e.g. dma_alloc_coherent() + * into device->dev. + */ + device->dma_device = &device->dev; + if (!device->dev.dma_mask) + device->dev.dma_mask = parent->dma_mask; + if (!device->dev.coherent_dma_mask) + device->dev.coherent_dma_mask = + parent->coherent_dma_mask; + } else { + /* + * The caller did not provide custom DMA operations. Use the + * DMA mapping operations of the parent device. + */ + device->dma_device = parent; + } mutex_lock(&device_mutex); @@ -1015,8 +1029,7 @@ static int __init ib_core_init(void) return -ENOMEM; ib_comp_wq = alloc_workqueue("ib-comp-wq", - WQ_UNBOUND | WQ_HIGHPRI | WQ_MEM_RECLAIM, - WQ_UNBOUND_MAX_ACTIVE); + WQ_HIGHPRI | WQ_MEM_RECLAIM | WQ_SYSFS, 0); if (!ib_comp_wq) { ret = -ENOMEM; goto err; diff --git a/drivers/infiniband/hw/i40iw/i40iw_utils.c b/drivers/infiniband/hw/i40iw/i40iw_utils.c index 0f5d43d..70c3e9e 100644 --- a/drivers/infiniband/hw/i40iw/i40iw_utils.c +++ b/drivers/infiniband/hw/i40iw/i40iw_utils.c @@ -160,6 +160,9 @@ int i40iw_inetaddr_event(struct notifier_block *notifier, return NOTIFY_DONE; iwdev = &hdl->device; + if (iwdev->init_state < INET_NOTIFIER) + return NOTIFY_DONE; + netdev = iwdev->ldev->netdev; upper_dev = netdev_master_upper_dev_get(netdev); if (netdev != event_netdev) @@ -214,6 +217,9 @@ int i40iw_inet6addr_event(struct notifier_block *notifier, return NOTIFY_DONE; iwdev = &hdl->device; + if (iwdev->init_state < INET_NOTIFIER) + return NOTIFY_DONE; + netdev = iwdev->ldev->netdev; if (netdev != event_netdev) return NOTIFY_DONE; @@ -260,6 +266,8 @@ int i40iw_net_event(struct notifier_block *notifier, unsigned long event, void * if (!iwhdl) return NOTIFY_DONE; iwdev = &iwhdl->device; + if (iwdev->init_state < INET_NOTIFIER) + return NOTIFY_DONE; p = (__be32 *)neigh->primary_key; i40iw_copy_ip_ntohl(local_ipaddr, p); if (neigh->nud_state & NUD_VALID) { diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c index bc9fb14..c52edea 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c +++ b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c @@ -372,7 +372,7 @@ static int _ocrdma_pd_mgr_put_bitmap(struct ocrdma_dev *dev, u16 pd_id, return 0; } -static u8 ocrdma_put_pd_num(struct ocrdma_dev *dev, u16 pd_id, +static int ocrdma_put_pd_num(struct ocrdma_dev *dev, u16 pd_id, bool dpp_pool) { int status; diff --git a/drivers/infiniband/hw/qib/qib_iba7322.c b/drivers/infiniband/hw/qib/qib_iba7322.c index 12c4208..af9f596 100644 --- a/drivers/infiniband/hw/qib/qib_iba7322.c +++ b/drivers/infiniband/hw/qib/qib_iba7322.c @@ -7068,7 +7068,7 @@ static void qib_7322_txchk_change(struct qib_devdata *dd, u32 start, unsigned long flags; while (wait) { - unsigned long shadow; + unsigned long shadow = 0; int cstart, previ = -1; /* diff --git a/drivers/infiniband/hw/vmw_pvrdma/pvrdma.h b/drivers/infiniband/hw/vmw_pvrdma/pvrdma.h index 3cd96c1..9fbe22d 100644 --- a/drivers/infiniband/hw/vmw_pvrdma/pvrdma.h +++ b/drivers/infiniband/hw/vmw_pvrdma/pvrdma.h @@ -69,6 +69,9 @@ */ #define PCI_DEVICE_ID_VMWARE_PVRDMA 0x0820 +#define PVRDMA_NUM_RING_PAGES 4 +#define PVRDMA_QP_NUM_HEADER_PAGES 1 + struct pvrdma_dev; struct pvrdma_page_dir { diff --git a/drivers/infiniband/hw/vmw_pvrdma/pvrdma_dev_api.h b/drivers/infiniband/hw/vmw_pvrdma/pvrdma_dev_api.h index e69d6f3..09078cc 100644 --- a/drivers/infiniband/hw/vmw_pvrdma/pvrdma_dev_api.h +++ b/drivers/infiniband/hw/vmw_pvrdma/pvrdma_dev_api.h @@ -132,7 +132,7 @@ enum pvrdma_pci_resource { enum pvrdma_device_ctl { PVRDMA_DEVICE_CTL_ACTIVATE, /* Activate device. */ - PVRDMA_DEVICE_CTL_QUIESCE, /* Quiesce device. */ + PVRDMA_DEVICE_CTL_UNQUIESCE, /* Unquiesce device. */ PVRDMA_DEVICE_CTL_RESET, /* Reset device. */ }; diff --git a/drivers/infiniband/hw/vmw_pvrdma/pvrdma_main.c b/drivers/infiniband/hw/vmw_pvrdma/pvrdma_main.c index 100bea5..34ebc76 100644 --- a/drivers/infiniband/hw/vmw_pvrdma/pvrdma_main.c +++ b/drivers/infiniband/hw/vmw_pvrdma/pvrdma_main.c @@ -56,7 +56,7 @@ #include "pvrdma.h" #define DRV_NAME "vmw_pvrdma" -#define DRV_VERSION "1.0.0.0-k" +#define DRV_VERSION "1.0.1.0-k" static DEFINE_MUTEX(pvrdma_device_list_lock); static LIST_HEAD(pvrdma_device_list); @@ -660,7 +660,16 @@ static void pvrdma_netdevice_event_handle(struct pvrdma_dev *dev, pvrdma_dispatch_event(dev, 1, IB_EVENT_PORT_ERR); break; case NETDEV_UP: - pvrdma_dispatch_event(dev, 1, IB_EVENT_PORT_ACTIVE); + pvrdma_write_reg(dev, PVRDMA_REG_CTL, + PVRDMA_DEVICE_CTL_UNQUIESCE); + + mb(); + + if (pvrdma_read_reg(dev, PVRDMA_REG_ERR)) + dev_err(&dev->pdev->dev, + "failed to activate device during link up\n"); + else + pvrdma_dispatch_event(dev, 1, IB_EVENT_PORT_ACTIVE); break; default: dev_dbg(&dev->pdev->dev, "ignore netdevice event %ld on %s\n", @@ -858,7 +867,7 @@ static int pvrdma_pci_probe(struct pci_dev *pdev, dev->dsr->resp_slot_dma = (u64)slot_dma; /* Async event ring */ - dev->dsr->async_ring_pages.num_pages = 4; + dev->dsr->async_ring_pages.num_pages = PVRDMA_NUM_RING_PAGES; ret = pvrdma_page_dir_init(dev, &dev->async_pdir, dev->dsr->async_ring_pages.num_pages, true); if (ret) @@ -867,7 +876,7 @@ static int pvrdma_pci_probe(struct pci_dev *pdev, dev->dsr->async_ring_pages.pdir_dma = dev->async_pdir.dir_dma; /* CQ notification ring */ - dev->dsr->cq_ring_pages.num_pages = 4; + dev->dsr->cq_ring_pages.num_pages = PVRDMA_NUM_RING_PAGES; ret = pvrdma_page_dir_init(dev, &dev->cq_pdir, dev->dsr->cq_ring_pages.num_pages, true); if (ret) diff --git a/drivers/infiniband/hw/vmw_pvrdma/pvrdma_qp.c b/drivers/infiniband/hw/vmw_pvrdma/pvrdma_qp.c index dbbfd35..30062aa 100644 --- a/drivers/infiniband/hw/vmw_pvrdma/pvrdma_qp.c +++ b/drivers/infiniband/hw/vmw_pvrdma/pvrdma_qp.c @@ -170,8 +170,9 @@ static int pvrdma_set_sq_size(struct pvrdma_dev *dev, struct ib_qp_cap *req_cap, sizeof(struct pvrdma_sge) * qp->sq.max_sg); /* Note: one extra page for the header. */ - qp->npages_send = 1 + (qp->sq.wqe_cnt * qp->sq.wqe_size + - PAGE_SIZE - 1) / PAGE_SIZE; + qp->npages_send = PVRDMA_QP_NUM_HEADER_PAGES + + (qp->sq.wqe_cnt * qp->sq.wqe_size + PAGE_SIZE - 1) / + PAGE_SIZE; return 0; } @@ -288,7 +289,7 @@ struct ib_qp *pvrdma_create_qp(struct ib_pd *pd, qp->npages = qp->npages_send + qp->npages_recv; /* Skip header page. */ - qp->sq.offset = PAGE_SIZE; + qp->sq.offset = PVRDMA_QP_NUM_HEADER_PAGES * PAGE_SIZE; /* Recv queue pages are after send pages. */ qp->rq.offset = qp->npages_send * PAGE_SIZE; @@ -341,7 +342,7 @@ struct ib_qp *pvrdma_create_qp(struct ib_pd *pd, cmd->qp_type = ib_qp_type_to_pvrdma(init_attr->qp_type); cmd->access_flags = IB_ACCESS_LOCAL_WRITE; cmd->total_chunks = qp->npages; - cmd->send_chunks = qp->npages_send - 1; + cmd->send_chunks = qp->npages_send - PVRDMA_QP_NUM_HEADER_PAGES; cmd->pdir_dma = qp->pdir.dir_dma; dev_dbg(&dev->pdev->dev, "create queuepair with %d, %d, %d, %d\n", @@ -554,13 +555,13 @@ out: return ret; } -static inline void *get_sq_wqe(struct pvrdma_qp *qp, int n) +static inline void *get_sq_wqe(struct pvrdma_qp *qp, unsigned int n) { return pvrdma_page_dir_get_ptr(&qp->pdir, qp->sq.offset + n * qp->sq.wqe_size); } -static inline void *get_rq_wqe(struct pvrdma_qp *qp, int n) +static inline void *get_rq_wqe(struct pvrdma_qp *qp, unsigned int n) { return pvrdma_page_dir_get_ptr(&qp->pdir, qp->rq.offset + n * qp->rq.wqe_size); @@ -598,9 +599,7 @@ int pvrdma_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, unsigned long flags; struct pvrdma_sq_wqe_hdr *wqe_hdr; struct pvrdma_sge *sge; - int i, index; - int nreq; - int ret; + int i, ret; /* * In states lower than RTS, we can fail immediately. In other states, @@ -613,9 +612,8 @@ int pvrdma_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, spin_lock_irqsave(&qp->sq.lock, flags); - index = pvrdma_idx(&qp->sq.ring->prod_tail, qp->sq.wqe_cnt); - for (nreq = 0; wr; nreq++, wr = wr->next) { - unsigned int tail; + while (wr) { + unsigned int tail = 0; if (unlikely(!pvrdma_idx_ring_has_space( qp->sq.ring, qp->sq.wqe_cnt, &tail))) { @@ -680,7 +678,7 @@ int pvrdma_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, } } - wqe_hdr = (struct pvrdma_sq_wqe_hdr *)get_sq_wqe(qp, index); + wqe_hdr = (struct pvrdma_sq_wqe_hdr *)get_sq_wqe(qp, tail); memset(wqe_hdr, 0, sizeof(*wqe_hdr)); wqe_hdr->wr_id = wr->wr_id; wqe_hdr->num_sge = wr->num_sge; @@ -771,12 +769,11 @@ int pvrdma_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, /* Make sure wqe is written before index update */ smp_wmb(); - index++; - if (unlikely(index >= qp->sq.wqe_cnt)) - index = 0; /* Update shared sq ring */ pvrdma_idx_ring_inc(&qp->sq.ring->prod_tail, qp->sq.wqe_cnt); + + wr = wr->next; } ret = 0; @@ -806,7 +803,6 @@ int pvrdma_post_recv(struct ib_qp *ibqp, struct ib_recv_wr *wr, struct pvrdma_qp *qp = to_vqp(ibqp); struct pvrdma_rq_wqe_hdr *wqe_hdr; struct pvrdma_sge *sge; - int index, nreq; int ret = 0; int i; @@ -821,9 +817,8 @@ int pvrdma_post_recv(struct ib_qp *ibqp, struct ib_recv_wr *wr, spin_lock_irqsave(&qp->rq.lock, flags); - index = pvrdma_idx(&qp->rq.ring->prod_tail, qp->rq.wqe_cnt); - for (nreq = 0; wr; nreq++, wr = wr->next) { - unsigned int tail; + while (wr) { + unsigned int tail = 0; if (unlikely(wr->num_sge > qp->rq.max_sg || wr->num_sge < 0)) { @@ -843,7 +838,7 @@ int pvrdma_post_recv(struct ib_qp *ibqp, struct ib_recv_wr *wr, goto out; } - wqe_hdr = (struct pvrdma_rq_wqe_hdr *)get_rq_wqe(qp, index); + wqe_hdr = (struct pvrdma_rq_wqe_hdr *)get_rq_wqe(qp, tail); wqe_hdr->wr_id = wr->wr_id; wqe_hdr->num_sge = wr->num_sge; wqe_hdr->total_len = 0; @@ -859,12 +854,11 @@ int pvrdma_post_recv(struct ib_qp *ibqp, struct ib_recv_wr *wr, /* Make sure wqe is written before index update */ smp_wmb(); - index++; - if (unlikely(index >= qp->rq.wqe_cnt)) - index = 0; /* Update shared rq ring */ pvrdma_idx_ring_inc(&qp->rq.ring->prod_tail, qp->rq.wqe_cnt); + + wr = wr->next; } spin_unlock_irqrestore(&qp->rq.lock, flags); diff --git a/drivers/infiniband/sw/rdmavt/mmap.c b/drivers/infiniband/sw/rdmavt/mmap.c index e202b81..6b712ee 100644 --- a/drivers/infiniband/sw/rdmavt/mmap.c +++ b/drivers/infiniband/sw/rdmavt/mmap.c @@ -170,9 +170,9 @@ struct rvt_mmap_info *rvt_create_mmap_info(struct rvt_dev_info *rdi, spin_lock_irq(&rdi->mmap_offset_lock); if (rdi->mmap_offset == 0) - rdi->mmap_offset = PAGE_SIZE; + rdi->mmap_offset = ALIGN(PAGE_SIZE, SHMLBA); ip->offset = rdi->mmap_offset; - rdi->mmap_offset += size; + rdi->mmap_offset += ALIGN(size, SHMLBA); spin_unlock_irq(&rdi->mmap_offset_lock); INIT_LIST_HEAD(&ip->pending_mmaps); diff --git a/drivers/infiniband/sw/rxe/Kconfig b/drivers/infiniband/sw/rxe/Kconfig index 7d1ac27..6332ded 100644 --- a/drivers/infiniband/sw/rxe/Kconfig +++ b/drivers/infiniband/sw/rxe/Kconfig @@ -22,4 +22,4 @@ config RDMA_RXE To configure and work with soft-RoCE driver please use the following wiki page under "configure Soft-RoCE (RXE)" section: - https://github.com/SoftRoCE/rxe-dev/wiki/rxe-dev:-Home + https://github.com/linux-rdma/rdma-core/blob/master/Documentation/rxe.md diff --git a/drivers/infiniband/sw/rxe/rxe_mmap.c b/drivers/infiniband/sw/rxe/rxe_mmap.c index c572a4c..bd812e0 100644 --- a/drivers/infiniband/sw/rxe/rxe_mmap.c +++ b/drivers/infiniband/sw/rxe/rxe_mmap.c @@ -156,10 +156,10 @@ struct rxe_mmap_info *rxe_create_mmap_info(struct rxe_dev *rxe, spin_lock_bh(&rxe->mmap_offset_lock); if (rxe->mmap_offset == 0) - rxe->mmap_offset = PAGE_SIZE; + rxe->mmap_offset = ALIGN(PAGE_SIZE, SHMLBA); ip->info.offset = rxe->mmap_offset; - rxe->mmap_offset += size; + rxe->mmap_offset += ALIGN(size, SHMLBA); spin_unlock_bh(&rxe->mmap_offset_lock); diff --git a/drivers/infiniband/sw/rxe/rxe_req.c b/drivers/infiniband/sw/rxe/rxe_req.c index dbfde0d..9f95f50 100644 --- a/drivers/infiniband/sw/rxe/rxe_req.c +++ b/drivers/infiniband/sw/rxe/rxe_req.c @@ -729,11 +729,11 @@ next_wqe: ret = rxe_xmit_packet(to_rdev(qp->ibqp.device), qp, &pkt, skb); if (ret) { qp->need_req_skb = 1; - kfree_skb(skb); rollback_state(wqe, qp, &rollback_wqe, rollback_psn); if (ret == -EAGAIN) { + kfree_skb(skb); rxe_run_task(&qp->req.task, 1); goto exit; } diff --git a/drivers/infiniband/sw/rxe/rxe_resp.c b/drivers/infiniband/sw/rxe/rxe_resp.c index d404a8a..c9dd385 100644 --- a/drivers/infiniband/sw/rxe/rxe_resp.c +++ b/drivers/infiniband/sw/rxe/rxe_resp.c @@ -813,18 +813,17 @@ static enum resp_states execute(struct rxe_qp *qp, struct rxe_pkt_info *pkt) WARN_ON_ONCE(1); } - /* We successfully processed this new request. */ - qp->resp.msn++; - /* next expected psn, read handles this separately */ qp->resp.psn = (pkt->psn + 1) & BTH_PSN_MASK; qp->resp.opcode = pkt->opcode; qp->resp.status = IB_WC_SUCCESS; - if (pkt->mask & RXE_COMP_MASK) + if (pkt->mask & RXE_COMP_MASK) { + /* We successfully processed this new request. */ + qp->resp.msn++; return RESPST_COMPLETE; - else if (qp_type(qp) == IB_QPT_RC) + } else if (qp_type(qp) == IB_QPT_RC) return RESPST_ACKNOWLEDGE; else return RESPST_CLEANUP; diff --git a/drivers/infiniband/ulp/iser/iscsi_iser.h b/drivers/infiniband/ulp/iser/iscsi_iser.h index 9d0b22a..c1ae4ae 100644 --- a/drivers/infiniband/ulp/iser/iscsi_iser.h +++ b/drivers/infiniband/ulp/iser/iscsi_iser.h @@ -430,6 +430,7 @@ struct iser_fr_desc { struct list_head list; struct iser_reg_resources rsc; struct iser_pi_context *pi_ctx; + struct list_head all_list; }; /** @@ -443,6 +444,7 @@ struct iser_fr_pool { struct list_head list; spinlock_t lock; int size; + struct list_head all_list; }; /** diff --git a/drivers/infiniband/ulp/iser/iser_verbs.c b/drivers/infiniband/ulp/iser/iser_verbs.c index 30b622f..c538a38 100644 --- a/drivers/infiniband/ulp/iser/iser_verbs.c +++ b/drivers/infiniband/ulp/iser/iser_verbs.c @@ -362,6 +362,7 @@ int iser_alloc_fastreg_pool(struct ib_conn *ib_conn, int i, ret; INIT_LIST_HEAD(&fr_pool->list); + INIT_LIST_HEAD(&fr_pool->all_list); spin_lock_init(&fr_pool->lock); fr_pool->size = 0; for (i = 0; i < cmds_max; i++) { @@ -373,6 +374,7 @@ int iser_alloc_fastreg_pool(struct ib_conn *ib_conn, } list_add_tail(&desc->list, &fr_pool->list); + list_add_tail(&desc->all_list, &fr_pool->all_list); fr_pool->size++; } @@ -392,13 +394,13 @@ void iser_free_fastreg_pool(struct ib_conn *ib_conn) struct iser_fr_desc *desc, *tmp; int i = 0; - if (list_empty(&fr_pool->list)) + if (list_empty(&fr_pool->all_list)) return; iser_info("freeing conn %p fr pool\n", ib_conn); - list_for_each_entry_safe(desc, tmp, &fr_pool->list, list) { - list_del(&desc->list); + list_for_each_entry_safe(desc, tmp, &fr_pool->all_list, all_list) { + list_del(&desc->all_list); iser_free_reg_res(&desc->rsc); if (desc->pi_ctx) iser_free_pi_ctx(desc->pi_ctx); diff --git a/drivers/infiniband/ulp/isert/ib_isert.c b/drivers/infiniband/ulp/isert/ib_isert.c index 91cbe86..fcbed35 100644 --- a/drivers/infiniband/ulp/isert/ib_isert.c +++ b/drivers/infiniband/ulp/isert/ib_isert.c @@ -817,6 +817,7 @@ isert_post_recvm(struct isert_conn *isert_conn, u32 count) rx_wr->sg_list = &rx_desc->rx_sg; rx_wr->num_sge = 1; rx_wr->next = rx_wr + 1; + rx_desc->in_use = false; } rx_wr--; rx_wr->next = NULL; /* mark end of work requests list */ @@ -835,6 +836,15 @@ isert_post_recv(struct isert_conn *isert_conn, struct iser_rx_desc *rx_desc) struct ib_recv_wr *rx_wr_failed, rx_wr; int ret; + if (!rx_desc->in_use) { + /* + * if the descriptor is not in-use we already reposted it + * for recv, so just silently return + */ + return 0; + } + + rx_desc->in_use = false; rx_wr.wr_cqe = &rx_desc->rx_cqe; rx_wr.sg_list = &rx_desc->rx_sg; rx_wr.num_sge = 1; @@ -1397,6 +1407,8 @@ isert_recv_done(struct ib_cq *cq, struct ib_wc *wc) return; } + rx_desc->in_use = true; + ib_dma_sync_single_for_cpu(ib_dev, rx_desc->dma_addr, ISER_RX_PAYLOAD_SIZE, DMA_FROM_DEVICE); @@ -1659,10 +1671,23 @@ isert_rdma_write_done(struct ib_cq *cq, struct ib_wc *wc) ret = isert_check_pi_status(cmd, isert_cmd->rw.sig->sig_mr); isert_rdma_rw_ctx_destroy(isert_cmd, isert_conn); - if (ret) - transport_send_check_condition_and_sense(cmd, cmd->pi_err, 0); - else - isert_put_response(isert_conn->conn, isert_cmd->iscsi_cmd); + if (ret) { + /* + * transport_generic_request_failure() expects to have + * plus two references to handle queue-full, so re-add + * one here as target-core will have already dropped + * it after the first isert_put_datain() callback. + */ + kref_get(&cmd->cmd_kref); + transport_generic_request_failure(cmd, cmd->pi_err); + } else { + /* + * XXX: isert_put_response() failure is not retried. + */ + ret = isert_put_response(isert_conn->conn, isert_cmd->iscsi_cmd); + if (ret) + pr_warn_ratelimited("isert_put_response() ret: %d\n", ret); + } } static void @@ -1699,13 +1724,15 @@ isert_rdma_read_done(struct ib_cq *cq, struct ib_wc *wc) cmd->i_state = ISTATE_RECEIVED_LAST_DATAOUT; spin_unlock_bh(&cmd->istate_lock); - if (ret) { - target_put_sess_cmd(se_cmd); - transport_send_check_condition_and_sense(se_cmd, - se_cmd->pi_err, 0); - } else { + /* + * transport_generic_request_failure() will drop the extra + * se_cmd->cmd_kref reference after T10-PI error, and handle + * any non-zero ->queue_status() callback error retries. + */ + if (ret) + transport_generic_request_failure(se_cmd, se_cmd->pi_err); + else target_execute_cmd(se_cmd); - } } static void @@ -2171,26 +2198,28 @@ isert_put_datain(struct iscsi_conn *conn, struct iscsi_cmd *cmd) chain_wr = &isert_cmd->tx_desc.send_wr; } - isert_rdma_rw_ctx_post(isert_cmd, isert_conn, cqe, chain_wr); - isert_dbg("Cmd: %p posted RDMA_WRITE for iSER Data READ\n", isert_cmd); - return 1; + rc = isert_rdma_rw_ctx_post(isert_cmd, isert_conn, cqe, chain_wr); + isert_dbg("Cmd: %p posted RDMA_WRITE for iSER Data READ rc: %d\n", + isert_cmd, rc); + return rc; } static int isert_get_dataout(struct iscsi_conn *conn, struct iscsi_cmd *cmd, bool recovery) { struct isert_cmd *isert_cmd = iscsit_priv_cmd(cmd); + int ret; isert_dbg("Cmd: %p RDMA_READ data_length: %u write_data_done: %u\n", isert_cmd, cmd->se_cmd.data_length, cmd->write_data_done); isert_cmd->tx_desc.tx_cqe.done = isert_rdma_read_done; - isert_rdma_rw_ctx_post(isert_cmd, conn->context, - &isert_cmd->tx_desc.tx_cqe, NULL); + ret = isert_rdma_rw_ctx_post(isert_cmd, conn->context, + &isert_cmd->tx_desc.tx_cqe, NULL); - isert_dbg("Cmd: %p posted RDMA_READ memory for ISER Data WRITE\n", - isert_cmd); - return 0; + isert_dbg("Cmd: %p posted RDMA_READ memory for ISER Data WRITE rc: %d\n", + isert_cmd, ret); + return ret; } static int diff --git a/drivers/infiniband/ulp/isert/ib_isert.h b/drivers/infiniband/ulp/isert/ib_isert.h index c02ada5..87d994d 100644 --- a/drivers/infiniband/ulp/isert/ib_isert.h +++ b/drivers/infiniband/ulp/isert/ib_isert.h @@ -60,7 +60,7 @@ #define ISER_RX_PAD_SIZE (ISCSI_DEF_MAX_RECV_SEG_LEN + 4096 - \ (ISER_RX_PAYLOAD_SIZE + sizeof(u64) + sizeof(struct ib_sge) + \ - sizeof(struct ib_cqe))) + sizeof(struct ib_cqe) + sizeof(bool))) #define ISCSI_ISER_SG_TABLESIZE 256 @@ -85,6 +85,7 @@ struct iser_rx_desc { u64 dma_addr; struct ib_sge rx_sg; struct ib_cqe rx_cqe; + bool in_use; char pad[ISER_RX_PAD_SIZE]; } __packed; diff --git a/drivers/input/joystick/iforce/iforce-usb.c b/drivers/input/joystick/iforce/iforce-usb.c index d96aa27..db64adf 100644 --- a/drivers/input/joystick/iforce/iforce-usb.c +++ b/drivers/input/joystick/iforce/iforce-usb.c @@ -141,6 +141,9 @@ static int iforce_usb_probe(struct usb_interface *intf, interface = intf->cur_altsetting; + if (interface->desc.bNumEndpoints < 2) + return -ENODEV; + epirq = &interface->endpoint[0].desc; epout = &interface->endpoint[1].desc; diff --git a/drivers/input/joystick/xpad.c b/drivers/input/joystick/xpad.c index 155fcb3..153b1ee 100644 --- a/drivers/input/joystick/xpad.c +++ b/drivers/input/joystick/xpad.c @@ -202,6 +202,7 @@ static const struct xpad_device { { 0x1430, 0x8888, "TX6500+ Dance Pad (first generation)", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX }, { 0x146b, 0x0601, "BigBen Interactive XBOX 360 Controller", 0, XTYPE_XBOX360 }, { 0x1532, 0x0037, "Razer Sabertooth", 0, XTYPE_XBOX360 }, + { 0x1532, 0x0a03, "Razer Wildcat", 0, XTYPE_XBOXONE }, { 0x15e4, 0x3f00, "Power A Mini Pro Elite", 0, XTYPE_XBOX360 }, { 0x15e4, 0x3f0a, "Xbox Airflo wired controller", 0, XTYPE_XBOX360 }, { 0x15e4, 0x3f10, "Batarang Xbox 360 controller", 0, XTYPE_XBOX360 }, @@ -326,6 +327,7 @@ static struct usb_device_id xpad_table[] = { XPAD_XBOX360_VENDOR(0x1430), /* RedOctane X-Box 360 controllers */ XPAD_XBOX360_VENDOR(0x146b), /* BigBen Interactive Controllers */ XPAD_XBOX360_VENDOR(0x1532), /* Razer Sabertooth */ + XPAD_XBOXONE_VENDOR(0x1532), /* Razer Wildcat */ XPAD_XBOX360_VENDOR(0x15e4), /* Numark X-Box 360 controllers */ XPAD_XBOX360_VENDOR(0x162e), /* Joytech X-Box 360 controllers */ XPAD_XBOX360_VENDOR(0x1689), /* Razer Onza */ diff --git a/drivers/input/misc/cm109.c b/drivers/input/misc/cm109.c index 9cc6d05..23c191a 100644 --- a/drivers/input/misc/cm109.c +++ b/drivers/input/misc/cm109.c @@ -700,6 +700,10 @@ static int cm109_usb_probe(struct usb_interface *intf, int error = -ENOMEM; interface = intf->cur_altsetting; + + if (interface->desc.bNumEndpoints < 1) + return -ENODEV; + endpoint = &interface->endpoint[0].desc; if (!usb_endpoint_is_int_in(endpoint)) diff --git a/drivers/input/misc/ims-pcu.c b/drivers/input/misc/ims-pcu.c index 9c0ea36..f4e8fbe 100644 --- a/drivers/input/misc/ims-pcu.c +++ b/drivers/input/misc/ims-pcu.c @@ -1667,6 +1667,10 @@ static int ims_pcu_parse_cdc_data(struct usb_interface *intf, struct ims_pcu *pc return -EINVAL; alt = pcu->ctrl_intf->cur_altsetting; + + if (alt->desc.bNumEndpoints < 1) + return -ENODEV; + pcu->ep_ctrl = &alt->endpoint[0].desc; pcu->max_ctrl_size = usb_endpoint_maxp(pcu->ep_ctrl); diff --git a/drivers/input/misc/yealink.c b/drivers/input/misc/yealink.c index 79c964c..6e7ff95 100644 --- a/drivers/input/misc/yealink.c +++ b/drivers/input/misc/yealink.c @@ -875,6 +875,10 @@ static int usb_probe(struct usb_interface *intf, const struct usb_device_id *id) int ret, pipe, i; interface = intf->cur_altsetting; + + if (interface->desc.bNumEndpoints < 1) + return -ENODEV; + endpoint = &interface->endpoint[0].desc; if (!usb_endpoint_is_int_in(endpoint)) return -ENODEV; diff --git a/drivers/input/mouse/alps.c b/drivers/input/mouse/alps.c index 72b28eb..f210e19 100644 --- a/drivers/input/mouse/alps.c +++ b/drivers/input/mouse/alps.c @@ -1282,10 +1282,8 @@ static int alps_decode_ss4_v2(struct alps_fields *f, /* handle buttons */ if (pkt_id == SS4_PACKET_ID_STICK) { f->ts_left = !!(SS4_BTN_V2(p) & 0x01); - if (!(priv->flags & ALPS_BUTTONPAD)) { - f->ts_right = !!(SS4_BTN_V2(p) & 0x02); - f->ts_middle = !!(SS4_BTN_V2(p) & 0x04); - } + f->ts_right = !!(SS4_BTN_V2(p) & 0x02); + f->ts_middle = !!(SS4_BTN_V2(p) & 0x04); } else { f->left = !!(SS4_BTN_V2(p) & 0x01); if (!(priv->flags & ALPS_BUTTONPAD)) { @@ -2462,14 +2460,34 @@ static int alps_update_device_area_ss4_v2(unsigned char otp[][4], int num_y_electrode; int x_pitch, y_pitch, x_phys, y_phys; - num_x_electrode = SS4_NUMSENSOR_XOFFSET + (otp[1][0] & 0x0F); - num_y_electrode = SS4_NUMSENSOR_YOFFSET + ((otp[1][0] >> 4) & 0x0F); + if (IS_SS4PLUS_DEV(priv->dev_id)) { + num_x_electrode = + SS4PLUS_NUMSENSOR_XOFFSET + (otp[0][2] & 0x0F); + num_y_electrode = + SS4PLUS_NUMSENSOR_YOFFSET + ((otp[0][2] >> 4) & 0x0F); + + priv->x_max = + (num_x_electrode - 1) * SS4PLUS_COUNT_PER_ELECTRODE; + priv->y_max = + (num_y_electrode - 1) * SS4PLUS_COUNT_PER_ELECTRODE; - priv->x_max = (num_x_electrode - 1) * SS4_COUNT_PER_ELECTRODE; - priv->y_max = (num_y_electrode - 1) * SS4_COUNT_PER_ELECTRODE; + x_pitch = (otp[0][1] & 0x0F) + SS4PLUS_MIN_PITCH_MM; + y_pitch = ((otp[0][1] >> 4) & 0x0F) + SS4PLUS_MIN_PITCH_MM; - x_pitch = ((otp[1][2] >> 2) & 0x07) + SS4_MIN_PITCH_MM; - y_pitch = ((otp[1][2] >> 5) & 0x07) + SS4_MIN_PITCH_MM; + } else { + num_x_electrode = + SS4_NUMSENSOR_XOFFSET + (otp[1][0] & 0x0F); + num_y_electrode = + SS4_NUMSENSOR_YOFFSET + ((otp[1][0] >> 4) & 0x0F); + + priv->x_max = + (num_x_electrode - 1) * SS4_COUNT_PER_ELECTRODE; + priv->y_max = + (num_y_electrode - 1) * SS4_COUNT_PER_ELECTRODE; + + x_pitch = ((otp[1][2] >> 2) & 0x07) + SS4_MIN_PITCH_MM; + y_pitch = ((otp[1][2] >> 5) & 0x07) + SS4_MIN_PITCH_MM; + } x_phys = x_pitch * (num_x_electrode - 1); /* In 0.1 mm units */ y_phys = y_pitch * (num_y_electrode - 1); /* In 0.1 mm units */ @@ -2485,7 +2503,10 @@ static int alps_update_btn_info_ss4_v2(unsigned char otp[][4], { unsigned char is_btnless; - is_btnless = (otp[1][1] >> 3) & 0x01; + if (IS_SS4PLUS_DEV(priv->dev_id)) + is_btnless = (otp[1][0] >> 1) & 0x01; + else + is_btnless = (otp[1][1] >> 3) & 0x01; if (is_btnless) priv->flags |= ALPS_BUTTONPAD; @@ -2493,6 +2514,21 @@ static int alps_update_btn_info_ss4_v2(unsigned char otp[][4], return 0; } +static int alps_update_dual_info_ss4_v2(unsigned char otp[][4], + struct alps_data *priv) +{ + bool is_dual = false; + + if (IS_SS4PLUS_DEV(priv->dev_id)) + is_dual = (otp[0][0] >> 4) & 0x01; + + if (is_dual) + priv->flags |= ALPS_DUALPOINT | + ALPS_DUALPOINT_WITH_PRESSURE; + + return 0; +} + static int alps_set_defaults_ss4_v2(struct psmouse *psmouse, struct alps_data *priv) { @@ -2508,6 +2544,8 @@ static int alps_set_defaults_ss4_v2(struct psmouse *psmouse, alps_update_btn_info_ss4_v2(otp, priv); + alps_update_dual_info_ss4_v2(otp, priv); + return 0; } @@ -2753,10 +2791,6 @@ static int alps_set_protocol(struct psmouse *psmouse, if (alps_set_defaults_ss4_v2(psmouse, priv)) return -EIO; - if (priv->fw_ver[1] == 0x1) - priv->flags |= ALPS_DUALPOINT | - ALPS_DUALPOINT_WITH_PRESSURE; - break; } @@ -2827,10 +2861,7 @@ static int alps_identify(struct psmouse *psmouse, struct alps_data *priv) ec[2] >= 0x90 && ec[2] <= 0x9d) { protocol = &alps_v3_protocol_data; } else if (e7[0] == 0x73 && e7[1] == 0x03 && - e7[2] == 0x14 && ec[1] == 0x02) { - protocol = &alps_v8_protocol_data; - } else if (e7[0] == 0x73 && e7[1] == 0x03 && - e7[2] == 0x28 && ec[1] == 0x01) { + (e7[2] == 0x14 || e7[2] == 0x28)) { protocol = &alps_v8_protocol_data; } else { psmouse_dbg(psmouse, @@ -2840,7 +2871,8 @@ static int alps_identify(struct psmouse *psmouse, struct alps_data *priv) } if (priv) { - /* Save the Firmware version */ + /* Save Device ID and Firmware version */ + memcpy(priv->dev_id, e7, 3); memcpy(priv->fw_ver, ec, 3); error = alps_set_protocol(psmouse, priv, protocol); if (error) diff --git a/drivers/input/mouse/alps.h b/drivers/input/mouse/alps.h index 6d279aa..4334f28 100644 --- a/drivers/input/mouse/alps.h +++ b/drivers/input/mouse/alps.h @@ -54,6 +54,16 @@ enum SS4_PACKET_ID { #define SS4_MASK_NORMAL_BUTTONS 0x07 +#define SS4PLUS_COUNT_PER_ELECTRODE 128 +#define SS4PLUS_NUMSENSOR_XOFFSET 16 +#define SS4PLUS_NUMSENSOR_YOFFSET 5 +#define SS4PLUS_MIN_PITCH_MM 37 + +#define IS_SS4PLUS_DEV(_b) (((_b[0]) == 0x73) && \ + ((_b[1]) == 0x03) && \ + ((_b[2]) == 0x28) \ + ) + #define SS4_IS_IDLE_V2(_b) (((_b[0]) == 0x18) && \ ((_b[1]) == 0x10) && \ ((_b[2]) == 0x00) && \ @@ -283,6 +293,7 @@ struct alps_data { int addr_command; u16 proto_version; u8 byte0, mask0; + u8 dev_id[3]; u8 fw_ver[3]; int flags; int x_max; diff --git a/drivers/input/mouse/elan_i2c_core.c b/drivers/input/mouse/elan_i2c_core.c index 352050e..d5ab9dd 100644 --- a/drivers/input/mouse/elan_i2c_core.c +++ b/drivers/input/mouse/elan_i2c_core.c @@ -218,17 +218,19 @@ static int elan_query_product(struct elan_tp_data *data) static int elan_check_ASUS_special_fw(struct elan_tp_data *data) { - if (data->ic_type != 0x0E) - return false; - - switch (data->product_id) { - case 0x05 ... 0x07: - case 0x09: - case 0x13: + if (data->ic_type == 0x0E) { + switch (data->product_id) { + case 0x05 ... 0x07: + case 0x09: + case 0x13: + return true; + } + } else if (data->ic_type == 0x08 && data->product_id == 0x26) { + /* ASUS EeeBook X205TA */ return true; - default: - return false; } + + return false; } static int __elan_initialize(struct elan_tp_data *data) diff --git a/drivers/input/rmi4/rmi_f30.c b/drivers/input/rmi4/rmi_f30.c index 1986786..34dfee5 100644 --- a/drivers/input/rmi4/rmi_f30.c +++ b/drivers/input/rmi4/rmi_f30.c @@ -170,6 +170,10 @@ static int rmi_f30_config(struct rmi_function *fn) rmi_get_platform_data(fn->rmi_dev); int error; + /* can happen if f30_data.disable is set */ + if (!f30) + return 0; + if (pdata->f30_data.trackstick_buttons) { /* Try [re-]establish link to F03. */ f30->f03 = rmi_find_function(fn->rmi_dev, 0x03); diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h index 05afd16..312bd6c 100644 --- a/drivers/input/serio/i8042-x86ia64io.h +++ b/drivers/input/serio/i8042-x86ia64io.h @@ -120,6 +120,13 @@ static const struct dmi_system_id __initconst i8042_dmi_noloop_table[] = { }, }, { + /* Dell Embedded Box PC 3000 */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "Embedded Box PC 3000"), + }, + }, + { /* OQO Model 01 */ .matches = { DMI_MATCH(DMI_SYS_VENDOR, "OQO"), @@ -513,6 +520,13 @@ static const struct dmi_system_id __initconst i8042_dmi_nomux_table[] = { DMI_MATCH(DMI_PRODUCT_NAME, "IC4I"), }, }, + { + /* TUXEDO BU1406 */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Notebook"), + DMI_MATCH(DMI_PRODUCT_NAME, "N24_25BU"), + }, + }, { } }; diff --git a/drivers/input/tablet/hanwang.c b/drivers/input/tablet/hanwang.c index cd85205..df4bea9 100644 --- a/drivers/input/tablet/hanwang.c +++ b/drivers/input/tablet/hanwang.c @@ -340,6 +340,9 @@ static int hanwang_probe(struct usb_interface *intf, const struct usb_device_id int error; int i; + if (intf->cur_altsetting->desc.bNumEndpoints < 1) + return -ENODEV; + hanwang = kzalloc(sizeof(struct hanwang), GFP_KERNEL); input_dev = input_allocate_device(); if (!hanwang || !input_dev) { diff --git a/drivers/input/tablet/kbtab.c b/drivers/input/tablet/kbtab.c index e850d7e..4d9d649 100644 --- a/drivers/input/tablet/kbtab.c +++ b/drivers/input/tablet/kbtab.c @@ -122,6 +122,9 @@ static int kbtab_probe(struct usb_interface *intf, const struct usb_device_id *i struct input_dev *input_dev; int error = -ENOMEM; + if (intf->cur_altsetting->desc.bNumEndpoints < 1) + return -ENODEV; + kbtab = kzalloc(sizeof(struct kbtab), GFP_KERNEL); input_dev = input_allocate_device(); if (!kbtab || !input_dev) diff --git a/drivers/input/touchscreen/sur40.c b/drivers/input/touchscreen/sur40.c index aefb6e1..4c0eeca 100644 --- a/drivers/input/touchscreen/sur40.c +++ b/drivers/input/touchscreen/sur40.c @@ -527,6 +527,9 @@ static int sur40_probe(struct usb_interface *interface, if (iface_desc->desc.bInterfaceClass != 0xFF) return -ENODEV; + if (iface_desc->desc.bNumEndpoints < 5) + return -ENODEV; + /* Use endpoint #4 (0x86). */ endpoint = &iface_desc->endpoint[4].desc; if (endpoint->bEndpointAddress != TOUCH_ENDPOINT) diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c index 98940d1..b17536d6 100644 --- a/drivers/iommu/amd_iommu.c +++ b/drivers/iommu/amd_iommu.c @@ -3202,7 +3202,7 @@ static void amd_iommu_get_resv_regions(struct device *dev, region = iommu_alloc_resv_region(MSI_RANGE_START, MSI_RANGE_END - MSI_RANGE_START + 1, - 0, IOMMU_RESV_RESERVED); + 0, IOMMU_RESV_MSI); if (!region) return; list_add_tail(®ion->list, head); diff --git a/drivers/iommu/arm-smmu-v3.c b/drivers/iommu/arm-smmu-v3.c index 5806a6a..591bb96 100644 --- a/drivers/iommu/arm-smmu-v3.c +++ b/drivers/iommu/arm-smmu-v3.c @@ -1888,7 +1888,7 @@ static void arm_smmu_get_resv_regions(struct device *dev, int prot = IOMMU_WRITE | IOMMU_NOEXEC | IOMMU_MMIO; region = iommu_alloc_resv_region(MSI_IOVA_BASE, MSI_IOVA_LENGTH, - prot, IOMMU_RESV_MSI); + prot, IOMMU_RESV_SW_MSI); if (!region) return; diff --git a/drivers/iommu/arm-smmu.c b/drivers/iommu/arm-smmu.c index abf6496..b493c99 100644 --- a/drivers/iommu/arm-smmu.c +++ b/drivers/iommu/arm-smmu.c @@ -1608,7 +1608,7 @@ static void arm_smmu_get_resv_regions(struct device *dev, int prot = IOMMU_WRITE | IOMMU_NOEXEC | IOMMU_MMIO; region = iommu_alloc_resv_region(MSI_IOVA_BASE, MSI_IOVA_LENGTH, - prot, IOMMU_RESV_MSI); + prot, IOMMU_RESV_SW_MSI); if (!region) return; diff --git a/drivers/iommu/exynos-iommu.c b/drivers/iommu/exynos-iommu.c index a7e0821..c01bfcd 100644 --- a/drivers/iommu/exynos-iommu.c +++ b/drivers/iommu/exynos-iommu.c @@ -512,7 +512,13 @@ static void sysmmu_tlb_invalidate_flpdcache(struct sysmmu_drvdata *data, spin_lock_irqsave(&data->lock, flags); if (data->active && data->version >= MAKE_MMU_VER(3, 3)) { clk_enable(data->clk_master); - __sysmmu_tlb_invalidate_entry(data, iova, 1); + if (sysmmu_block(data)) { + if (data->version >= MAKE_MMU_VER(5, 0)) + __sysmmu_tlb_invalidate(data); + else + __sysmmu_tlb_invalidate_entry(data, iova, 1); + sysmmu_unblock(data); + } clk_disable(data->clk_master); } spin_unlock_irqrestore(&data->lock, flags); diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c index 238ad34..d412a31 100644 --- a/drivers/iommu/intel-iommu.c +++ b/drivers/iommu/intel-iommu.c @@ -916,7 +916,7 @@ static struct intel_iommu *device_to_iommu(struct device *dev, u8 *bus, u8 *devf * which we used for the IOMMU lookup. Strictly speaking * we could do this for all PCI devices; we only need to * get the BDF# from the scope table for ACPI matches. */ - if (pdev->is_virtfn) + if (pdev && pdev->is_virtfn) goto got_pdev; *bus = drhd->devices[i].bus; @@ -5249,7 +5249,7 @@ static void intel_iommu_get_resv_regions(struct device *device, reg = iommu_alloc_resv_region(IOAPIC_RANGE_START, IOAPIC_RANGE_END - IOAPIC_RANGE_START + 1, - 0, IOMMU_RESV_RESERVED); + 0, IOMMU_RESV_MSI); if (!reg) return; list_add_tail(®->list, head); diff --git a/drivers/iommu/io-pgtable-arm-v7s.c b/drivers/iommu/io-pgtable-arm-v7s.c index 1c049e2..8d6ca28 100644 --- a/drivers/iommu/io-pgtable-arm-v7s.c +++ b/drivers/iommu/io-pgtable-arm-v7s.c @@ -422,8 +422,12 @@ static int __arm_v7s_map(struct arm_v7s_io_pgtable *data, unsigned long iova, pte |= ARM_V7S_ATTR_NS_TABLE; __arm_v7s_set_pte(ptep, pte, 1, cfg); - } else { + } else if (ARM_V7S_PTE_IS_TABLE(pte, lvl)) { cptep = iopte_deref(pte, lvl); + } else { + /* We require an unmap first */ + WARN_ON(!selftest_running); + return -EEXIST; } /* Rinse, repeat */ diff --git a/drivers/iommu/io-pgtable-arm.c b/drivers/iommu/io-pgtable-arm.c index feacc54..f9bc6eb 100644 --- a/drivers/iommu/io-pgtable-arm.c +++ b/drivers/iommu/io-pgtable-arm.c @@ -335,8 +335,12 @@ static int __arm_lpae_map(struct arm_lpae_io_pgtable *data, unsigned long iova, if (cfg->quirks & IO_PGTABLE_QUIRK_ARM_NS) pte |= ARM_LPAE_PTE_NSTABLE; __arm_lpae_set_pte(ptep, pte, cfg); - } else { + } else if (!iopte_leaf(pte, lvl)) { cptep = iopte_deref(pte, data); + } else { + /* We require an unmap first */ + WARN_ON(!selftest_running); + return -EEXIST; } /* Rinse, repeat */ diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c index 8ea14f4..3b67144 100644 --- a/drivers/iommu/iommu.c +++ b/drivers/iommu/iommu.c @@ -72,6 +72,7 @@ static const char * const iommu_group_resv_type_string[] = { [IOMMU_RESV_DIRECT] = "direct", [IOMMU_RESV_RESERVED] = "reserved", [IOMMU_RESV_MSI] = "msi", + [IOMMU_RESV_SW_MSI] = "msi", }; #define IOMMU_GROUP_ATTR(_name, _mode, _show, _store) \ @@ -1743,8 +1744,8 @@ void iommu_put_resv_regions(struct device *dev, struct list_head *list) } struct iommu_resv_region *iommu_alloc_resv_region(phys_addr_t start, - size_t length, - int prot, int type) + size_t length, int prot, + enum iommu_resv_type type) { struct iommu_resv_region *region; diff --git a/drivers/irqchip/Kconfig b/drivers/irqchip/Kconfig index 125528f..8162121 100644 --- a/drivers/irqchip/Kconfig +++ b/drivers/irqchip/Kconfig @@ -262,6 +262,7 @@ config IRQ_MXS config MVEBU_ODMI bool + select GENERIC_MSI_IRQ_DOMAIN config MVEBU_PIC bool diff --git a/drivers/irqchip/irq-imx-gpcv2.c b/drivers/irqchip/irq-imx-gpcv2.c index 15af9a9..2d203b4 100644 --- a/drivers/irqchip/irq-imx-gpcv2.c +++ b/drivers/irqchip/irq-imx-gpcv2.c @@ -230,6 +230,8 @@ static int __init imx_gpcv2_irqchip_init(struct device_node *node, return -ENOMEM; } + raw_spin_lock_init(&cd->rlock); + cd->gpc_base = of_iomap(node, 0); if (!cd->gpc_base) { pr_err("fsl-gpcv2: unable to map gpc registers\n"); diff --git a/drivers/irqchip/irq-mips-gic.c b/drivers/irqchip/irq-mips-gic.c index 11d12bc..cd20df1 100644 --- a/drivers/irqchip/irq-mips-gic.c +++ b/drivers/irqchip/irq-mips-gic.c @@ -991,8 +991,12 @@ static void __init gic_map_single_int(struct device_node *node, static void __init gic_map_interrupts(struct device_node *node) { + gic_map_single_int(node, GIC_LOCAL_INT_WD); + gic_map_single_int(node, GIC_LOCAL_INT_COMPARE); gic_map_single_int(node, GIC_LOCAL_INT_TIMER); gic_map_single_int(node, GIC_LOCAL_INT_PERFCTR); + gic_map_single_int(node, GIC_LOCAL_INT_SWINT0); + gic_map_single_int(node, GIC_LOCAL_INT_SWINT1); gic_map_single_int(node, GIC_LOCAL_INT_FDC); } diff --git a/drivers/isdn/capi/kcapi.c b/drivers/isdn/capi/kcapi.c index 1dfd108..9ca691d 100644 --- a/drivers/isdn/capi/kcapi.c +++ b/drivers/isdn/capi/kcapi.c @@ -1032,6 +1032,7 @@ static int old_capi_manufacturer(unsigned int cmd, void __user *data) sizeof(avmb1_carddef)))) return -EFAULT; cdef.cardtype = AVM_CARDTYPE_B1; + cdef.cardnr = 0; } else { if ((retval = copy_from_user(&cdef, data, sizeof(avmb1_extcarddef)))) diff --git a/drivers/isdn/gigaset/bas-gigaset.c b/drivers/isdn/gigaset/bas-gigaset.c index 11e13c5..2da3ff6 100644 --- a/drivers/isdn/gigaset/bas-gigaset.c +++ b/drivers/isdn/gigaset/bas-gigaset.c @@ -2317,6 +2317,9 @@ static int gigaset_probe(struct usb_interface *interface, return -ENODEV; } + if (hostif->desc.bNumEndpoints < 1) + return -ENODEV; + dev_info(&udev->dev, "%s: Device matched (Vendor: 0x%x, Product: 0x%x)\n", __func__, le16_to_cpu(udev->descriptor.idVendor), diff --git a/drivers/macintosh/macio_asic.c b/drivers/macintosh/macio_asic.c index 3f041b1..f757cef2 100644 --- a/drivers/macintosh/macio_asic.c +++ b/drivers/macintosh/macio_asic.c @@ -392,6 +392,7 @@ static struct macio_dev * macio_add_one_device(struct macio_chip *chip, * To get all the fields, copy all archdata */ dev->ofdev.dev.archdata = chip->lbus.pdev->dev.archdata; + dev->ofdev.dev.dma_ops = chip->lbus.pdev->dev.dma_ops; #endif /* CONFIG_PCI */ #ifdef DEBUG diff --git a/drivers/md/dm-cache-metadata.c b/drivers/md/dm-cache-metadata.c index e4c2c1a..6735c8d 100644 --- a/drivers/md/dm-cache-metadata.c +++ b/drivers/md/dm-cache-metadata.c @@ -932,7 +932,7 @@ static int blocks_are_clean_separate_dirty(struct dm_cache_metadata *cmd, *result = true; r = dm_bitset_cursor_begin(&cmd->dirty_info, cmd->dirty_root, - from_cblock(begin), &cmd->dirty_cursor); + from_cblock(cmd->cache_blocks), &cmd->dirty_cursor); if (r) { DMERR("%s: dm_bitset_cursor_begin for dirty failed", __func__); return r; @@ -959,14 +959,16 @@ static int blocks_are_clean_separate_dirty(struct dm_cache_metadata *cmd, return 0; } + begin = to_cblock(from_cblock(begin) + 1); + if (begin == end) + break; + r = dm_bitset_cursor_next(&cmd->dirty_cursor); if (r) { DMERR("%s: dm_bitset_cursor_next for dirty failed", __func__); dm_bitset_cursor_end(&cmd->dirty_cursor); return r; } - - begin = to_cblock(from_cblock(begin) + 1); } dm_bitset_cursor_end(&cmd->dirty_cursor); diff --git a/drivers/md/dm-raid.c b/drivers/md/dm-raid.c index f8564d6..1e217ba 100644 --- a/drivers/md/dm-raid.c +++ b/drivers/md/dm-raid.c @@ -3726,7 +3726,7 @@ static int raid_preresume(struct dm_target *ti) return r; /* Resize bitmap to adjust to changed region size (aka MD bitmap chunksize) */ - if (test_bit(RT_FLAG_RS_BITMAP_LOADED, &rs->runtime_flags) && + if (test_bit(RT_FLAG_RS_BITMAP_LOADED, &rs->runtime_flags) && mddev->bitmap && mddev->bitmap_info.chunksize != to_bytes(rs->requested_bitmap_chunk_sectors)) { r = bitmap_resize(mddev->bitmap, mddev->dev_sectors, to_bytes(rs->requested_bitmap_chunk_sectors), 0); diff --git a/drivers/md/dm-rq.c b/drivers/md/dm-rq.c index 28955b9..0b081d1 100644 --- a/drivers/md/dm-rq.c +++ b/drivers/md/dm-rq.c @@ -755,6 +755,7 @@ static int dm_mq_queue_rq(struct blk_mq_hw_ctx *hctx, /* Undo dm_start_request() before requeuing */ rq_end_stats(md, rq); rq_completed(md, rq_data_dir(rq), false); + blk_mq_delay_run_hw_queue(hctx, 100/*ms*/); return BLK_MQ_RQ_QUEUE_BUSY; } diff --git a/drivers/md/dm-verity-fec.c b/drivers/md/dm-verity-fec.c index 0f0eb8a..78f3601 100644 --- a/drivers/md/dm-verity-fec.c +++ b/drivers/md/dm-verity-fec.c @@ -146,8 +146,6 @@ static int fec_decode_bufs(struct dm_verity *v, struct dm_verity_fec_io *fio, block = fec_buffer_rs_block(v, fio, n, i); res = fec_decode_rs8(v, fio, block, &par[offset], neras); if (res < 0) { - dm_bufio_release(buf); - r = res; goto error; } @@ -172,6 +170,8 @@ static int fec_decode_bufs(struct dm_verity *v, struct dm_verity_fec_io *fio, done: r = corrected; error: + dm_bufio_release(buf); + if (r < 0 && neras) DMERR_LIMIT("%s: FEC %llu: failed to correct: %d", v->data_dev->name, (unsigned long long)rsb, r); @@ -269,7 +269,7 @@ static int fec_read_bufs(struct dm_verity *v, struct dm_verity_io *io, &is_zero) == 0) { /* skip known zero blocks entirely */ if (is_zero) - continue; + goto done; /* * skip if we have already found the theoretical @@ -439,6 +439,13 @@ int verity_fec_decode(struct dm_verity *v, struct dm_verity_io *io, if (!verity_fec_is_enabled(v)) return -EOPNOTSUPP; + if (fio->level >= DM_VERITY_FEC_MAX_RECURSION) { + DMWARN_LIMIT("%s: FEC: recursion too deep", v->data_dev->name); + return -EIO; + } + + fio->level++; + if (type == DM_VERITY_BLOCK_TYPE_METADATA) block += v->data_blocks; @@ -470,7 +477,7 @@ int verity_fec_decode(struct dm_verity *v, struct dm_verity_io *io, if (r < 0) { r = fec_decode_rsb(v, io, fio, rsb, offset, true); if (r < 0) - return r; + goto done; } if (dest) @@ -480,6 +487,8 @@ int verity_fec_decode(struct dm_verity *v, struct dm_verity_io *io, r = verity_for_bv_block(v, io, iter, fec_bv_copy); } +done: + fio->level--; return r; } @@ -520,6 +529,7 @@ void verity_fec_init_io(struct dm_verity_io *io) memset(fio->bufs, 0, sizeof(fio->bufs)); fio->nbufs = 0; fio->output = NULL; + fio->level = 0; } /* diff --git a/drivers/md/dm-verity-fec.h b/drivers/md/dm-verity-fec.h index 7fa0298..bb31ce8 100644 --- a/drivers/md/dm-verity-fec.h +++ b/drivers/md/dm-verity-fec.h @@ -27,6 +27,9 @@ #define DM_VERITY_FEC_BUF_MAX \ (1 << (PAGE_SHIFT - DM_VERITY_FEC_BUF_RS_BITS)) +/* maximum recursion level for verity_fec_decode */ +#define DM_VERITY_FEC_MAX_RECURSION 4 + #define DM_VERITY_OPT_FEC_DEV "use_fec_from_device" #define DM_VERITY_OPT_FEC_BLOCKS "fec_blocks" #define DM_VERITY_OPT_FEC_START "fec_start" @@ -58,6 +61,7 @@ struct dm_verity_fec_io { unsigned nbufs; /* number of buffers allocated */ u8 *output; /* buffer for corrected output */ size_t output_pos; + unsigned level; /* recursion level */ }; #ifdef CONFIG_DM_VERITY_FEC diff --git a/drivers/md/dm.c b/drivers/md/dm.c index f4ffd1e..dfb7597 100644 --- a/drivers/md/dm.c +++ b/drivers/md/dm.c @@ -989,26 +989,29 @@ static void flush_current_bio_list(struct blk_plug_cb *cb, bool from_schedule) struct dm_offload *o = container_of(cb, struct dm_offload, cb); struct bio_list list; struct bio *bio; + int i; INIT_LIST_HEAD(&o->cb.list); if (unlikely(!current->bio_list)) return; - list = *current->bio_list; - bio_list_init(current->bio_list); - - while ((bio = bio_list_pop(&list))) { - struct bio_set *bs = bio->bi_pool; - if (unlikely(!bs) || bs == fs_bio_set) { - bio_list_add(current->bio_list, bio); - continue; + for (i = 0; i < 2; i++) { + list = current->bio_list[i]; + bio_list_init(¤t->bio_list[i]); + + while ((bio = bio_list_pop(&list))) { + struct bio_set *bs = bio->bi_pool; + if (unlikely(!bs) || bs == fs_bio_set) { + bio_list_add(¤t->bio_list[i], bio); + continue; + } + + spin_lock(&bs->rescue_lock); + bio_list_add(&bs->rescue_list, bio); + queue_work(bs->rescue_workqueue, &bs->rescue_work); + spin_unlock(&bs->rescue_lock); } - - spin_lock(&bs->rescue_lock); - bio_list_add(&bs->rescue_list, bio); - queue_work(bs->rescue_workqueue, &bs->rescue_work); - spin_unlock(&bs->rescue_lock); } } diff --git a/drivers/md/md-cluster.c b/drivers/md/md-cluster.c index 2b13117..321ecac 100644 --- a/drivers/md/md-cluster.c +++ b/drivers/md/md-cluster.c @@ -777,7 +777,6 @@ static int gather_all_resync_info(struct mddev *mddev, int total_slots) bm_lockres->flags |= DLM_LKF_NOQUEUE; ret = dlm_lock_sync(bm_lockres, DLM_LOCK_PW); if (ret == -EAGAIN) { - memset(bm_lockres->lksb.sb_lvbptr, '\0', LVB_SIZE); s = read_resync_info(mddev, bm_lockres); if (s) { pr_info("%s:%d Resync[%llu..%llu] in progress on %d\n", @@ -974,6 +973,7 @@ static int leave(struct mddev *mddev) lockres_free(cinfo->bitmap_lockres); unlock_all_bitmaps(mddev); dlm_release_lockspace(cinfo->lockspace, 2); + kfree(cinfo); return 0; } diff --git a/drivers/md/md.c b/drivers/md/md.c index 548d1b8..f6ae1d6 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -440,14 +440,6 @@ void md_flush_request(struct mddev *mddev, struct bio *bio) } EXPORT_SYMBOL(md_flush_request); -void md_unplug(struct blk_plug_cb *cb, bool from_schedule) -{ - struct mddev *mddev = cb->data; - md_wakeup_thread(mddev->thread); - kfree(cb); -} -EXPORT_SYMBOL(md_unplug); - static inline struct mddev *mddev_get(struct mddev *mddev) { atomic_inc(&mddev->active); @@ -1887,7 +1879,7 @@ super_1_rdev_size_change(struct md_rdev *rdev, sector_t num_sectors) } sb = page_address(rdev->sb_page); sb->data_size = cpu_to_le64(num_sectors); - sb->super_offset = rdev->sb_start; + sb->super_offset = cpu_to_le64(rdev->sb_start); sb->sb_csum = calc_sb_1_csum(sb); do { md_super_write(rdev->mddev, rdev, rdev->sb_start, rdev->sb_size, @@ -2295,7 +2287,7 @@ static bool does_sb_need_changing(struct mddev *mddev) /* Check if any mddev parameters have changed */ if ((mddev->dev_sectors != le64_to_cpu(sb->size)) || (mddev->reshape_position != le64_to_cpu(sb->reshape_position)) || - (mddev->layout != le64_to_cpu(sb->layout)) || + (mddev->layout != le32_to_cpu(sb->layout)) || (mddev->raid_disks != le32_to_cpu(sb->raid_disks)) || (mddev->chunk_sectors != le32_to_cpu(sb->chunksize))) return true; @@ -6458,11 +6450,10 @@ static int set_array_info(struct mddev *mddev, mdu_array_info_t *info) mddev->layout = info->layout; mddev->chunk_sectors = info->chunk_size >> 9; - mddev->max_disks = MD_SB_DISKS; - if (mddev->persistent) { - mddev->flags = 0; - mddev->sb_flags = 0; + mddev->max_disks = MD_SB_DISKS; + mddev->flags = 0; + mddev->sb_flags = 0; } set_bit(MD_SB_CHANGE_DEVS, &mddev->sb_flags); @@ -6533,8 +6524,12 @@ static int update_size(struct mddev *mddev, sector_t num_sectors) return -ENOSPC; } rv = mddev->pers->resize(mddev, num_sectors); - if (!rv) - revalidate_disk(mddev->gendisk); + if (!rv) { + if (mddev->queue) { + set_capacity(mddev->gendisk, mddev->array_sectors); + revalidate_disk(mddev->gendisk); + } + } return rv; } diff --git a/drivers/md/md.h b/drivers/md/md.h index b8859cb..dde8ecb 100644 --- a/drivers/md/md.h +++ b/drivers/md/md.h @@ -676,16 +676,10 @@ extern void mddev_resume(struct mddev *mddev); extern struct bio *bio_alloc_mddev(gfp_t gfp_mask, int nr_iovecs, struct mddev *mddev); -extern void md_unplug(struct blk_plug_cb *cb, bool from_schedule); extern void md_reload_sb(struct mddev *mddev, int raid_disk); extern void md_update_sb(struct mddev *mddev, int force); extern void md_kick_rdev_from_array(struct md_rdev * rdev); struct md_rdev *md_find_rdev_nr_rcu(struct mddev *mddev, int nr); -static inline int mddev_check_plugged(struct mddev *mddev) -{ - return !!blk_check_plugged(md_unplug, mddev, - sizeof(struct blk_plug_cb)); -} static inline void rdev_dec_pending(struct md_rdev *rdev, struct mddev *mddev) { diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c index fbc2d78..a34f587 100644 --- a/drivers/md/raid1.c +++ b/drivers/md/raid1.c @@ -1027,7 +1027,7 @@ static int get_unqueued_pending(struct r1conf *conf) static void freeze_array(struct r1conf *conf, int extra) { /* Stop sync I/O and normal I/O and wait for everything to - * go quite. + * go quiet. * This is called in two situations: * 1) management command handlers (reshape, remove disk, quiesce). * 2) one normal I/O request failed. @@ -1587,9 +1587,30 @@ static void raid1_make_request(struct mddev *mddev, struct bio *bio) split = bio; } - if (bio_data_dir(split) == READ) + if (bio_data_dir(split) == READ) { raid1_read_request(mddev, split); - else + + /* + * If a bio is splitted, the first part of bio will + * pass barrier but the bio is queued in + * current->bio_list (see generic_make_request). If + * there is a raise_barrier() called here, the second + * part of bio can't pass barrier. But since the first + * part bio isn't dispatched to underlaying disks yet, + * the barrier is never released, hence raise_barrier + * will alays wait. We have a deadlock. + * Note, this only happens in read path. For write + * path, the first part of bio is dispatched in a + * schedule() call (because of blk plug) or offloaded + * to raid10d. + * Quitting from the function immediately can change + * the bio order queued in bio_list and avoid the deadlock. + */ + if (split != bio) { + generic_make_request(bio); + break; + } + } else raid1_write_request(mddev, split); } while (split != bio); } @@ -3246,8 +3267,6 @@ static int raid1_resize(struct mddev *mddev, sector_t sectors) return ret; } md_set_array_sectors(mddev, newsize); - set_capacity(mddev->gendisk, mddev->array_sectors); - revalidate_disk(mddev->gendisk); if (sectors > mddev->dev_sectors && mddev->recovery_cp > mddev->dev_sectors) { mddev->recovery_cp = mddev->dev_sectors; diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c index 063c43d..e89a8d7 100644 --- a/drivers/md/raid10.c +++ b/drivers/md/raid10.c @@ -974,7 +974,8 @@ static void wait_barrier(struct r10conf *conf) !conf->barrier || (atomic_read(&conf->nr_pending) && current->bio_list && - !bio_list_empty(current->bio_list)), + (!bio_list_empty(¤t->bio_list[0]) || + !bio_list_empty(¤t->bio_list[1]))), conf->resync_lock); conf->nr_waiting--; if (!conf->nr_waiting) @@ -1477,11 +1478,24 @@ retry_write: mbio->bi_bdev = (void*)rdev; atomic_inc(&r10_bio->remaining); + + cb = blk_check_plugged(raid10_unplug, mddev, + sizeof(*plug)); + if (cb) + plug = container_of(cb, struct raid10_plug_cb, + cb); + else + plug = NULL; spin_lock_irqsave(&conf->device_lock, flags); - bio_list_add(&conf->pending_bio_list, mbio); - conf->pending_count++; + if (plug) { + bio_list_add(&plug->pending, mbio); + plug->pending_cnt++; + } else { + bio_list_add(&conf->pending_bio_list, mbio); + conf->pending_count++; + } spin_unlock_irqrestore(&conf->device_lock, flags); - if (!mddev_check_plugged(mddev)) + if (!plug) md_wakeup_thread(mddev->thread); } } @@ -1571,7 +1585,25 @@ static void raid10_make_request(struct mddev *mddev, struct bio *bio) split = bio; } + /* + * If a bio is splitted, the first part of bio will pass + * barrier but the bio is queued in current->bio_list (see + * generic_make_request). If there is a raise_barrier() called + * here, the second part of bio can't pass barrier. But since + * the first part bio isn't dispatched to underlaying disks + * yet, the barrier is never released, hence raise_barrier will + * alays wait. We have a deadlock. + * Note, this only happens in read path. For write path, the + * first part of bio is dispatched in a schedule() call + * (because of blk plug) or offloaded to raid10d. + * Quitting from the function immediately can change the bio + * order queued in bio_list and avoid the deadlock. + */ __make_request(mddev, split); + if (split != bio && bio_data_dir(bio) == READ) { + generic_make_request(bio); + break; + } } while (split != bio); /* In case raid10d snuck in to freeze_array */ @@ -3943,10 +3975,6 @@ static int raid10_resize(struct mddev *mddev, sector_t sectors) return ret; } md_set_array_sectors(mddev, size); - if (mddev->queue) { - set_capacity(mddev->gendisk, mddev->array_sectors); - revalidate_disk(mddev->gendisk); - } if (sectors > mddev->dev_sectors && mddev->recovery_cp > oldsize) { mddev->recovery_cp = oldsize; diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index 4fb09b3..ed5cd70 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -1401,7 +1401,8 @@ static int set_syndrome_sources(struct page **srcs, (test_bit(R5_Wantdrain, &dev->flags) || test_bit(R5_InJournal, &dev->flags))) || (srctype == SYNDROME_SRC_WRITTEN && - dev->written)) { + (dev->written || + test_bit(R5_InJournal, &dev->flags)))) { if (test_bit(R5_InJournal, &dev->flags)) srcs[slot] = sh->dev[i].orig_page; else @@ -7605,8 +7606,6 @@ static int raid5_resize(struct mddev *mddev, sector_t sectors) return ret; } md_set_array_sectors(mddev, newsize); - set_capacity(mddev->gendisk, mddev->array_sectors); - revalidate_disk(mddev->gendisk); if (sectors > mddev->dev_sectors && mddev->recovery_cp > mddev->dev_sectors) { mddev->recovery_cp = mddev->dev_sectors; diff --git a/drivers/media/platform/coda/imx-vdoa.c b/drivers/media/platform/coda/imx-vdoa.c index 67fd8ff..669a4c8 100644 --- a/drivers/media/platform/coda/imx-vdoa.c +++ b/drivers/media/platform/coda/imx-vdoa.c @@ -321,7 +321,7 @@ static const struct of_device_id vdoa_dt_ids[] = { }; MODULE_DEVICE_TABLE(of, vdoa_dt_ids); -static const struct platform_driver vdoa_driver = { +static struct platform_driver vdoa_driver = { .probe = vdoa_probe, .remove = vdoa_remove, .driver = { diff --git a/drivers/media/platform/exynos-gsc/gsc-core.c b/drivers/media/platform/exynos-gsc/gsc-core.c index cbb0376..0f0c389 100644 --- a/drivers/media/platform/exynos-gsc/gsc-core.c +++ b/drivers/media/platform/exynos-gsc/gsc-core.c @@ -861,9 +861,7 @@ int gsc_prepare_addr(struct gsc_ctx *ctx, struct vb2_buffer *vb, if ((frame->fmt->pixelformat == V4L2_PIX_FMT_VYUY) || (frame->fmt->pixelformat == V4L2_PIX_FMT_YVYU) || - (frame->fmt->pixelformat == V4L2_PIX_FMT_NV61) || (frame->fmt->pixelformat == V4L2_PIX_FMT_YVU420) || - (frame->fmt->pixelformat == V4L2_PIX_FMT_NV21) || (frame->fmt->pixelformat == V4L2_PIX_FMT_YVU420M)) swap(addr->cb, addr->cr); diff --git a/drivers/media/platform/sti/bdisp/bdisp-v4l2.c b/drivers/media/platform/sti/bdisp/bdisp-v4l2.c index 8236081..7918b92 100644 --- a/drivers/media/platform/sti/bdisp/bdisp-v4l2.c +++ b/drivers/media/platform/sti/bdisp/bdisp-v4l2.c @@ -632,8 +632,8 @@ static int bdisp_open(struct file *file) error_ctrls: bdisp_ctrls_delete(ctx); -error_fh: v4l2_fh_del(&ctx->fh); +error_fh: v4l2_fh_exit(&ctx->fh); bdisp_hw_free_nodes(ctx); mem_ctx: diff --git a/drivers/media/usb/dvb-usb/dvb-usb-firmware.c b/drivers/media/usb/dvb-usb/dvb-usb-firmware.c index ab98660..04033ef 100644 --- a/drivers/media/usb/dvb-usb/dvb-usb-firmware.c +++ b/drivers/media/usb/dvb-usb/dvb-usb-firmware.c @@ -36,16 +36,18 @@ static int usb_cypress_writemem(struct usb_device *udev,u16 addr,u8 *data, u8 le int usb_cypress_load_firmware(struct usb_device *udev, const struct firmware *fw, int type) { struct hexline *hx; - u8 reset; - int ret,pos=0; + u8 *buf; + int ret, pos = 0; + u16 cpu_cs_register = cypress[type].cpu_cs_register; - hx = kmalloc(sizeof(*hx), GFP_KERNEL); - if (!hx) + buf = kmalloc(sizeof(*hx), GFP_KERNEL); + if (!buf) return -ENOMEM; + hx = (struct hexline *)buf; /* stop the CPU */ - reset = 1; - if ((ret = usb_cypress_writemem(udev,cypress[type].cpu_cs_register,&reset,1)) != 1) + buf[0] = 1; + if (usb_cypress_writemem(udev, cpu_cs_register, buf, 1) != 1) err("could not stop the USB controller CPU."); while ((ret = dvb_usb_get_hexline(fw, hx, &pos)) > 0) { @@ -61,21 +63,21 @@ int usb_cypress_load_firmware(struct usb_device *udev, const struct firmware *fw } if (ret < 0) { err("firmware download failed at %d with %d",pos,ret); - kfree(hx); + kfree(buf); return ret; } if (ret == 0) { /* restart the CPU */ - reset = 0; - if (ret || usb_cypress_writemem(udev,cypress[type].cpu_cs_register,&reset,1) != 1) { + buf[0] = 0; + if (usb_cypress_writemem(udev, cpu_cs_register, buf, 1) != 1) { err("could not restart the USB controller CPU."); ret = -EINVAL; } } else ret = -EIO; - kfree(hx); + kfree(buf); return ret; } diff --git a/drivers/misc/cxl/pci.c b/drivers/misc/cxl/pci.c index 91f6459..b27ea98 100644 --- a/drivers/misc/cxl/pci.c +++ b/drivers/misc/cxl/pci.c @@ -1792,15 +1792,14 @@ static pci_ers_result_t cxl_pci_error_detected(struct pci_dev *pdev, /* If we're permanently dead, give up. */ if (state == pci_channel_io_perm_failure) { - /* Tell the AFU drivers; but we don't care what they - * say, we're going away. - */ for (i = 0; i < adapter->slices; i++) { afu = adapter->afu[i]; - /* Only participate in EEH if we are on a virtual PHB */ - if (afu->phb == NULL) - return PCI_ERS_RESULT_NONE; - cxl_vphb_error_detected(afu, state); + /* + * Tell the AFU drivers; but we don't care what they + * say, we're going away. + */ + if (afu->phb != NULL) + cxl_vphb_error_detected(afu, state); } return PCI_ERS_RESULT_DISCONNECT; } diff --git a/drivers/misc/mei/bus-fixup.c b/drivers/misc/mei/bus-fixup.c index 3600c99..29f2dae 100644 --- a/drivers/misc/mei/bus-fixup.c +++ b/drivers/misc/mei/bus-fixup.c @@ -112,11 +112,9 @@ struct mkhi_msg { static int mei_osver(struct mei_cl_device *cldev) { - int ret; const size_t size = sizeof(struct mkhi_msg_hdr) + sizeof(struct mkhi_fwcaps) + sizeof(struct mei_os_ver); - size_t length = 8; char buf[size]; struct mkhi_msg *req; struct mkhi_fwcaps *fwcaps; @@ -137,15 +135,7 @@ static int mei_osver(struct mei_cl_device *cldev) os_ver = (struct mei_os_ver *)fwcaps->data; os_ver->os_type = OSTYPE_LINUX; - ret = __mei_cl_send(cldev->cl, buf, size, mode); - if (ret < 0) - return ret; - - ret = __mei_cl_recv(cldev->cl, buf, length, 0); - if (ret < 0) - return ret; - - return 0; + return __mei_cl_send(cldev->cl, buf, size, mode); } static void mei_mkhi_fix(struct mei_cl_device *cldev) @@ -160,7 +150,7 @@ static void mei_mkhi_fix(struct mei_cl_device *cldev) return; ret = mei_osver(cldev); - if (ret) + if (ret < 0) dev_err(&cldev->dev, "OS version command failed %d\n", ret); mei_cldev_disable(cldev); diff --git a/drivers/misc/mei/init.c b/drivers/misc/mei/init.c index cfb1cdf..13c55b8 100644 --- a/drivers/misc/mei/init.c +++ b/drivers/misc/mei/init.c @@ -124,8 +124,6 @@ int mei_reset(struct mei_device *dev) mei_clear_interrupts(dev); - mei_synchronize_irq(dev); - /* we're already in reset, cancel the init timer * if the reset was called due the hbm protocol error * we need to call it before hw start @@ -304,6 +302,9 @@ static void mei_reset_work(struct work_struct *work) container_of(work, struct mei_device, reset_work); int ret; + mei_clear_interrupts(dev); + mei_synchronize_irq(dev); + mutex_lock(&dev->device_lock); ret = mei_reset(dev); @@ -328,6 +329,9 @@ void mei_stop(struct mei_device *dev) mei_cancel_work(dev); + mei_clear_interrupts(dev); + mei_synchronize_irq(dev); + mutex_lock(&dev->device_lock); dev->dev_state = MEI_DEV_POWER_DOWN; diff --git a/drivers/misc/vmw_vmci/vmci_guest.c b/drivers/misc/vmw_vmci/vmci_guest.c index 9d65954..dad5abe 100644 --- a/drivers/misc/vmw_vmci/vmci_guest.c +++ b/drivers/misc/vmw_vmci/vmci_guest.c @@ -566,10 +566,10 @@ static int vmci_guest_probe_device(struct pci_dev *pdev, */ error = pci_alloc_irq_vectors(pdev, VMCI_MAX_INTRS, VMCI_MAX_INTRS, PCI_IRQ_MSIX); - if (error) { + if (error < 0) { error = pci_alloc_irq_vectors(pdev, 1, 1, PCI_IRQ_MSIX | PCI_IRQ_MSI | PCI_IRQ_LEGACY); - if (error) + if (error < 0) goto err_remove_bitmap; } else { vmci_dev->exclusive_vectors = true; diff --git a/drivers/mmc/core/block.c b/drivers/mmc/core/block.c index 1621fa0..ff3da96 100644 --- a/drivers/mmc/core/block.c +++ b/drivers/mmc/core/block.c @@ -1560,11 +1560,8 @@ static bool mmc_blk_rw_cmd_err(struct mmc_blk_data *md, struct mmc_card *card, struct mmc_blk_request *brq, struct request *req, bool old_req_pending) { - struct mmc_queue_req *mq_rq; bool req_pending; - mq_rq = container_of(brq, struct mmc_queue_req, brq); - /* * If this is an SD card and we're writing, we can first * mark the known good sectors as ok. @@ -1701,7 +1698,8 @@ static void mmc_blk_issue_rw_rq(struct mmc_queue *mq, struct request *new_req) case MMC_BLK_CMD_ERR: req_pending = mmc_blk_rw_cmd_err(md, card, brq, old_req, req_pending); if (mmc_blk_reset(md, card->host, type)) { - mmc_blk_rw_cmd_abort(card, old_req); + if (req_pending) + mmc_blk_rw_cmd_abort(card, old_req); mmc_blk_rw_try_restart(mq, new_req); return; } @@ -1817,6 +1815,7 @@ void mmc_blk_issue_rq(struct mmc_queue *mq, struct request *req) mmc_blk_issue_flush(mq, req); } else { mmc_blk_issue_rw_rq(mq, req); + card->host->context_info.is_waiting_last_req = false; } out: diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c index 7fd7228..b502601 100644 --- a/drivers/mmc/core/mmc.c +++ b/drivers/mmc/core/mmc.c @@ -1730,7 +1730,7 @@ static int mmc_init_card(struct mmc_host *host, u32 ocr, err = mmc_select_hs400(card); if (err) goto free_card; - } else { + } else if (!mmc_card_hs400es(card)) { /* Select the desired bus width optionally */ err = mmc_select_bus_width(card); if (err > 0 && mmc_card_hs(card)) { diff --git a/drivers/mmc/host/mtk-sd.c b/drivers/mmc/host/mtk-sd.c index 8e32580..b235d8d 100644 --- a/drivers/mmc/host/mtk-sd.c +++ b/drivers/mmc/host/mtk-sd.c @@ -580,7 +580,7 @@ static void msdc_set_mclk(struct msdc_host *host, unsigned char timing, u32 hz) } } sdr_set_field(host->base + MSDC_CFG, MSDC_CFG_CKMOD | MSDC_CFG_CKDIV, - (mode << 8) | (div % 0xff)); + (mode << 8) | div); sdr_set_bits(host->base + MSDC_CFG, MSDC_CFG_CKPDN); while (!(readl(host->base + MSDC_CFG) & MSDC_CFG_CKSTB)) cpu_relax(); @@ -1559,7 +1559,7 @@ static int msdc_drv_probe(struct platform_device *pdev) host->src_clk_freq = clk_get_rate(host->src_clk); /* Set host parameters to mmc */ mmc->ops = &mt_msdc_ops; - mmc->f_min = host->src_clk_freq / (4 * 255); + mmc->f_min = DIV_ROUND_UP(host->src_clk_freq, 4 * 255); mmc->caps |= MMC_CAP_ERASE | MMC_CAP_CMD23; /* MMC core transfer sizes tunable parameters */ diff --git a/drivers/mmc/host/sdhci-of-arasan.c b/drivers/mmc/host/sdhci-of-arasan.c index 410a55b..1cfd7f9 100644 --- a/drivers/mmc/host/sdhci-of-arasan.c +++ b/drivers/mmc/host/sdhci-of-arasan.c @@ -28,13 +28,9 @@ #include "sdhci-pltfm.h" #include <linux/of.h> -#define SDHCI_ARASAN_CLK_CTRL_OFFSET 0x2c #define SDHCI_ARASAN_VENDOR_REGISTER 0x78 #define VENDOR_ENHANCED_STROBE BIT(0) -#define CLK_CTRL_TIMEOUT_SHIFT 16 -#define CLK_CTRL_TIMEOUT_MASK (0xf << CLK_CTRL_TIMEOUT_SHIFT) -#define CLK_CTRL_TIMEOUT_MIN_EXP 13 #define PHY_CLK_TOO_SLOW_HZ 400000 @@ -163,15 +159,15 @@ static int sdhci_arasan_syscon_write(struct sdhci_host *host, static unsigned int sdhci_arasan_get_timeout_clock(struct sdhci_host *host) { - u32 div; unsigned long freq; struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host); - div = readl(host->ioaddr + SDHCI_ARASAN_CLK_CTRL_OFFSET); - div = (div & CLK_CTRL_TIMEOUT_MASK) >> CLK_CTRL_TIMEOUT_SHIFT; + /* SDHCI timeout clock is in kHz */ + freq = DIV_ROUND_UP(clk_get_rate(pltfm_host->clk), 1000); - freq = clk_get_rate(pltfm_host->clk); - freq /= 1 << (CLK_CTRL_TIMEOUT_MIN_EXP + div); + /* or in MHz */ + if (host->caps & SDHCI_TIMEOUT_CLK_UNIT) + freq = DIV_ROUND_UP(freq, 1000); return freq; } diff --git a/drivers/mmc/host/sdhci-of-at91.c b/drivers/mmc/host/sdhci-of-at91.c index 2f9ad21..d5430ed 100644 --- a/drivers/mmc/host/sdhci-of-at91.c +++ b/drivers/mmc/host/sdhci-of-at91.c @@ -29,6 +29,8 @@ #include "sdhci-pltfm.h" +#define SDMMC_MC1R 0x204 +#define SDMMC_MC1R_DDR BIT(3) #define SDMMC_CACR 0x230 #define SDMMC_CACR_CAPWREN BIT(0) #define SDMMC_CACR_KEY (0x46 << 8) @@ -85,11 +87,37 @@ static void sdhci_at91_set_clock(struct sdhci_host *host, unsigned int clock) sdhci_writew(host, clk, SDHCI_CLOCK_CONTROL); } +/* + * In this specific implementation of the SDHCI controller, the power register + * needs to have a valid voltage set even when the power supply is managed by + * an external regulator. + */ +static void sdhci_at91_set_power(struct sdhci_host *host, unsigned char mode, + unsigned short vdd) +{ + if (!IS_ERR(host->mmc->supply.vmmc)) { + struct mmc_host *mmc = host->mmc; + + spin_unlock_irq(&host->lock); + mmc_regulator_set_ocr(mmc, mmc->supply.vmmc, vdd); + spin_lock_irq(&host->lock); + } + sdhci_set_power_noreg(host, mode, vdd); +} + +void sdhci_at91_set_uhs_signaling(struct sdhci_host *host, unsigned int timing) +{ + if (timing == MMC_TIMING_MMC_DDR52) + sdhci_writeb(host, SDMMC_MC1R_DDR, SDMMC_MC1R); + sdhci_set_uhs_signaling(host, timing); +} + static const struct sdhci_ops sdhci_at91_sama5d2_ops = { .set_clock = sdhci_at91_set_clock, .set_bus_width = sdhci_set_bus_width, .reset = sdhci_reset, - .set_uhs_signaling = sdhci_set_uhs_signaling, + .set_uhs_signaling = sdhci_at91_set_uhs_signaling, + .set_power = sdhci_at91_set_power, }; static const struct sdhci_pltfm_data soc_data_sama5d2 = { diff --git a/drivers/mmc/host/sdhci-pci-core.c b/drivers/mmc/host/sdhci-pci-core.c index 982b3e3..86560d5 100644 --- a/drivers/mmc/host/sdhci-pci-core.c +++ b/drivers/mmc/host/sdhci-pci-core.c @@ -451,6 +451,8 @@ static void sdhci_intel_set_power(struct sdhci_host *host, unsigned char mode, if (mode == MMC_POWER_OFF) return; + spin_unlock_irq(&host->lock); + /* * Bus power might not enable after D3 -> D0 transition due to the * present state not yet having propagated. Retry for up to 2ms. @@ -463,6 +465,8 @@ static void sdhci_intel_set_power(struct sdhci_host *host, unsigned char mode, reg |= SDHCI_POWER_ON; sdhci_writeb(host, reg, SDHCI_POWER_CONTROL); } + + spin_lock_irq(&host->lock); } static const struct sdhci_ops sdhci_intel_byt_ops = { diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index 6fdd7a7..63bc33a 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -1362,7 +1362,9 @@ void sdhci_enable_clk(struct sdhci_host *host, u16 clk) return; } timeout--; - mdelay(1); + spin_unlock_irq(&host->lock); + usleep_range(900, 1100); + spin_lock_irq(&host->lock); } clk |= SDHCI_CLOCK_CARD_EN; @@ -1828,6 +1830,9 @@ static void sdhci_enable_sdio_irq(struct mmc_host *mmc, int enable) struct sdhci_host *host = mmc_priv(mmc); unsigned long flags; + if (enable) + pm_runtime_get_noresume(host->mmc->parent); + spin_lock_irqsave(&host->lock, flags); if (enable) host->flags |= SDHCI_SDIO_IRQ_ENABLED; @@ -1836,6 +1841,9 @@ static void sdhci_enable_sdio_irq(struct mmc_host *mmc, int enable) sdhci_enable_sdio_irq_nolock(host, enable); spin_unlock_irqrestore(&host->lock, flags); + + if (!enable) + pm_runtime_put_noidle(host->mmc->parent); } static int sdhci_start_signal_voltage_switch(struct mmc_host *mmc, diff --git a/drivers/mmc/host/ushc.c b/drivers/mmc/host/ushc.c index d2c386f..1d84335 100644 --- a/drivers/mmc/host/ushc.c +++ b/drivers/mmc/host/ushc.c @@ -426,6 +426,9 @@ static int ushc_probe(struct usb_interface *intf, const struct usb_device_id *id struct ushc_data *ushc; int ret; + if (intf->cur_altsetting->desc.bNumEndpoints < 1) + return -ENODEV; + mmc = mmc_alloc_host(sizeof(struct ushc_data), &intf->dev); if (mmc == NULL) return -ENOMEM; diff --git a/drivers/net/can/ifi_canfd/ifi_canfd.c b/drivers/net/can/ifi_canfd/ifi_canfd.c index 138f5ae..4d1fe8d 100644 --- a/drivers/net/can/ifi_canfd/ifi_canfd.c +++ b/drivers/net/can/ifi_canfd/ifi_canfd.c @@ -557,7 +557,7 @@ static int ifi_canfd_poll(struct napi_struct *napi, int quota) int work_done = 0; u32 stcmd = readl(priv->base + IFI_CANFD_STCMD); - u32 rxstcmd = readl(priv->base + IFI_CANFD_STCMD); + u32 rxstcmd = readl(priv->base + IFI_CANFD_RXSTCMD); u32 errctr = readl(priv->base + IFI_CANFD_ERROR_CTR); /* Handle bus state changes */ diff --git a/drivers/net/can/rcar/rcar_can.c b/drivers/net/can/rcar/rcar_can.c index caed4e6..11662f4 100644 --- a/drivers/net/can/rcar/rcar_can.c +++ b/drivers/net/can/rcar/rcar_can.c @@ -826,8 +826,7 @@ static int rcar_can_probe(struct platform_device *pdev) devm_can_led_init(ndev); - dev_info(&pdev->dev, "device registered (regs @ %p, IRQ%d)\n", - priv->regs, ndev->irq); + dev_info(&pdev->dev, "device registered (IRQ%d)\n", ndev->irq); return 0; fail_candev: diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-common.h b/drivers/net/ethernet/amd/xgbe/xgbe-common.h index 8a280e7..127adbe 100644 --- a/drivers/net/ethernet/amd/xgbe/xgbe-common.h +++ b/drivers/net/ethernet/amd/xgbe/xgbe-common.h @@ -984,29 +984,29 @@ #define XP_ECC_CNT1_DESC_DED_WIDTH 8 #define XP_ECC_CNT1_DESC_SEC_INDEX 0 #define XP_ECC_CNT1_DESC_SEC_WIDTH 8 -#define XP_ECC_IER_DESC_DED_INDEX 0 +#define XP_ECC_IER_DESC_DED_INDEX 5 #define XP_ECC_IER_DESC_DED_WIDTH 1 -#define XP_ECC_IER_DESC_SEC_INDEX 1 +#define XP_ECC_IER_DESC_SEC_INDEX 4 #define XP_ECC_IER_DESC_SEC_WIDTH 1 -#define XP_ECC_IER_RX_DED_INDEX 2 +#define XP_ECC_IER_RX_DED_INDEX 3 #define XP_ECC_IER_RX_DED_WIDTH 1 -#define XP_ECC_IER_RX_SEC_INDEX 3 +#define XP_ECC_IER_RX_SEC_INDEX 2 #define XP_ECC_IER_RX_SEC_WIDTH 1 -#define XP_ECC_IER_TX_DED_INDEX 4 +#define XP_ECC_IER_TX_DED_INDEX 1 #define XP_ECC_IER_TX_DED_WIDTH 1 -#define XP_ECC_IER_TX_SEC_INDEX 5 +#define XP_ECC_IER_TX_SEC_INDEX 0 #define XP_ECC_IER_TX_SEC_WIDTH 1 -#define XP_ECC_ISR_DESC_DED_INDEX 0 +#define XP_ECC_ISR_DESC_DED_INDEX 5 #define XP_ECC_ISR_DESC_DED_WIDTH 1 -#define XP_ECC_ISR_DESC_SEC_INDEX 1 +#define XP_ECC_ISR_DESC_SEC_INDEX 4 #define XP_ECC_ISR_DESC_SEC_WIDTH 1 -#define XP_ECC_ISR_RX_DED_INDEX 2 +#define XP_ECC_ISR_RX_DED_INDEX 3 #define XP_ECC_ISR_RX_DED_WIDTH 1 -#define XP_ECC_ISR_RX_SEC_INDEX 3 +#define XP_ECC_ISR_RX_SEC_INDEX 2 #define XP_ECC_ISR_RX_SEC_WIDTH 1 -#define XP_ECC_ISR_TX_DED_INDEX 4 +#define XP_ECC_ISR_TX_DED_INDEX 1 #define XP_ECC_ISR_TX_DED_WIDTH 1 -#define XP_ECC_ISR_TX_SEC_INDEX 5 +#define XP_ECC_ISR_TX_SEC_INDEX 0 #define XP_ECC_ISR_TX_SEC_WIDTH 1 #define XP_I2C_MUTEX_BUSY_INDEX 31 #define XP_I2C_MUTEX_BUSY_WIDTH 1 @@ -1148,8 +1148,8 @@ #define RX_PACKET_ATTRIBUTES_CSUM_DONE_WIDTH 1 #define RX_PACKET_ATTRIBUTES_VLAN_CTAG_INDEX 1 #define RX_PACKET_ATTRIBUTES_VLAN_CTAG_WIDTH 1 -#define RX_PACKET_ATTRIBUTES_INCOMPLETE_INDEX 2 -#define RX_PACKET_ATTRIBUTES_INCOMPLETE_WIDTH 1 +#define RX_PACKET_ATTRIBUTES_LAST_INDEX 2 +#define RX_PACKET_ATTRIBUTES_LAST_WIDTH 1 #define RX_PACKET_ATTRIBUTES_CONTEXT_NEXT_INDEX 3 #define RX_PACKET_ATTRIBUTES_CONTEXT_NEXT_WIDTH 1 #define RX_PACKET_ATTRIBUTES_CONTEXT_INDEX 4 @@ -1158,6 +1158,8 @@ #define RX_PACKET_ATTRIBUTES_RX_TSTAMP_WIDTH 1 #define RX_PACKET_ATTRIBUTES_RSS_HASH_INDEX 6 #define RX_PACKET_ATTRIBUTES_RSS_HASH_WIDTH 1 +#define RX_PACKET_ATTRIBUTES_FIRST_INDEX 7 +#define RX_PACKET_ATTRIBUTES_FIRST_WIDTH 1 #define RX_NORMAL_DESC0_OVT_INDEX 0 #define RX_NORMAL_DESC0_OVT_WIDTH 16 diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-dev.c b/drivers/net/ethernet/amd/xgbe/xgbe-dev.c index 937f37a..24a687c 100644 --- a/drivers/net/ethernet/amd/xgbe/xgbe-dev.c +++ b/drivers/net/ethernet/amd/xgbe/xgbe-dev.c @@ -1896,10 +1896,15 @@ static int xgbe_dev_read(struct xgbe_channel *channel) /* Get the header length */ if (XGMAC_GET_BITS_LE(rdesc->desc3, RX_NORMAL_DESC3, FD)) { + XGMAC_SET_BITS(packet->attributes, RX_PACKET_ATTRIBUTES, + FIRST, 1); rdata->rx.hdr_len = XGMAC_GET_BITS_LE(rdesc->desc2, RX_NORMAL_DESC2, HL); if (rdata->rx.hdr_len) pdata->ext_stats.rx_split_header_packets++; + } else { + XGMAC_SET_BITS(packet->attributes, RX_PACKET_ATTRIBUTES, + FIRST, 0); } /* Get the RSS hash */ @@ -1922,19 +1927,16 @@ static int xgbe_dev_read(struct xgbe_channel *channel) } } - /* Get the packet length */ - rdata->rx.len = XGMAC_GET_BITS_LE(rdesc->desc3, RX_NORMAL_DESC3, PL); - - if (!XGMAC_GET_BITS_LE(rdesc->desc3, RX_NORMAL_DESC3, LD)) { - /* Not all the data has been transferred for this packet */ - XGMAC_SET_BITS(packet->attributes, RX_PACKET_ATTRIBUTES, - INCOMPLETE, 1); + /* Not all the data has been transferred for this packet */ + if (!XGMAC_GET_BITS_LE(rdesc->desc3, RX_NORMAL_DESC3, LD)) return 0; - } /* This is the last of the data for this packet */ XGMAC_SET_BITS(packet->attributes, RX_PACKET_ATTRIBUTES, - INCOMPLETE, 0); + LAST, 1); + + /* Get the packet length */ + rdata->rx.len = XGMAC_GET_BITS_LE(rdesc->desc3, RX_NORMAL_DESC3, PL); /* Set checksum done indicator as appropriate */ if (netdev->features & NETIF_F_RXCSUM) diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-drv.c b/drivers/net/ethernet/amd/xgbe/xgbe-drv.c index 248f60d..a713abd 100644 --- a/drivers/net/ethernet/amd/xgbe/xgbe-drv.c +++ b/drivers/net/ethernet/amd/xgbe/xgbe-drv.c @@ -1971,13 +1971,12 @@ static struct sk_buff *xgbe_create_skb(struct xgbe_prv_data *pdata, { struct sk_buff *skb; u8 *packet; - unsigned int copy_len; skb = napi_alloc_skb(napi, rdata->rx.hdr.dma_len); if (!skb) return NULL; - /* Start with the header buffer which may contain just the header + /* Pull in the header buffer which may contain just the header * or the header plus data */ dma_sync_single_range_for_cpu(pdata->dev, rdata->rx.hdr.dma_base, @@ -1986,30 +1985,49 @@ static struct sk_buff *xgbe_create_skb(struct xgbe_prv_data *pdata, packet = page_address(rdata->rx.hdr.pa.pages) + rdata->rx.hdr.pa.pages_offset; - copy_len = (rdata->rx.hdr_len) ? rdata->rx.hdr_len : len; - copy_len = min(rdata->rx.hdr.dma_len, copy_len); - skb_copy_to_linear_data(skb, packet, copy_len); - skb_put(skb, copy_len); - - len -= copy_len; - if (len) { - /* Add the remaining data as a frag */ - dma_sync_single_range_for_cpu(pdata->dev, - rdata->rx.buf.dma_base, - rdata->rx.buf.dma_off, - rdata->rx.buf.dma_len, - DMA_FROM_DEVICE); - - skb_add_rx_frag(skb, skb_shinfo(skb)->nr_frags, - rdata->rx.buf.pa.pages, - rdata->rx.buf.pa.pages_offset, - len, rdata->rx.buf.dma_len); - rdata->rx.buf.pa.pages = NULL; - } + skb_copy_to_linear_data(skb, packet, len); + skb_put(skb, len); return skb; } +static unsigned int xgbe_rx_buf1_len(struct xgbe_ring_data *rdata, + struct xgbe_packet_data *packet) +{ + /* Always zero if not the first descriptor */ + if (!XGMAC_GET_BITS(packet->attributes, RX_PACKET_ATTRIBUTES, FIRST)) + return 0; + + /* First descriptor with split header, return header length */ + if (rdata->rx.hdr_len) + return rdata->rx.hdr_len; + + /* First descriptor but not the last descriptor and no split header, + * so the full buffer was used + */ + if (!XGMAC_GET_BITS(packet->attributes, RX_PACKET_ATTRIBUTES, LAST)) + return rdata->rx.hdr.dma_len; + + /* First descriptor and last descriptor and no split header, so + * calculate how much of the buffer was used + */ + return min_t(unsigned int, rdata->rx.hdr.dma_len, rdata->rx.len); +} + +static unsigned int xgbe_rx_buf2_len(struct xgbe_ring_data *rdata, + struct xgbe_packet_data *packet, + unsigned int len) +{ + /* Always the full buffer if not the last descriptor */ + if (!XGMAC_GET_BITS(packet->attributes, RX_PACKET_ATTRIBUTES, LAST)) + return rdata->rx.buf.dma_len; + + /* Last descriptor so calculate how much of the buffer was used + * for the last bit of data + */ + return rdata->rx.len - len; +} + static int xgbe_tx_poll(struct xgbe_channel *channel) { struct xgbe_prv_data *pdata = channel->pdata; @@ -2092,8 +2110,8 @@ static int xgbe_rx_poll(struct xgbe_channel *channel, int budget) struct napi_struct *napi; struct sk_buff *skb; struct skb_shared_hwtstamps *hwtstamps; - unsigned int incomplete, error, context_next, context; - unsigned int len, rdesc_len, max_len; + unsigned int last, error, context_next, context; + unsigned int len, buf1_len, buf2_len, max_len; unsigned int received = 0; int packet_count = 0; @@ -2103,7 +2121,7 @@ static int xgbe_rx_poll(struct xgbe_channel *channel, int budget) if (!ring) return 0; - incomplete = 0; + last = 0; context_next = 0; napi = (pdata->per_channel_irq) ? &channel->napi : &pdata->napi; @@ -2137,9 +2155,8 @@ read_again: received++; ring->cur++; - incomplete = XGMAC_GET_BITS(packet->attributes, - RX_PACKET_ATTRIBUTES, - INCOMPLETE); + last = XGMAC_GET_BITS(packet->attributes, RX_PACKET_ATTRIBUTES, + LAST); context_next = XGMAC_GET_BITS(packet->attributes, RX_PACKET_ATTRIBUTES, CONTEXT_NEXT); @@ -2148,7 +2165,7 @@ read_again: CONTEXT); /* Earlier error, just drain the remaining data */ - if ((incomplete || context_next) && error) + if ((!last || context_next) && error) goto read_again; if (error || packet->errors) { @@ -2160,16 +2177,22 @@ read_again: } if (!context) { - /* Length is cumulative, get this descriptor's length */ - rdesc_len = rdata->rx.len - len; - len += rdesc_len; + /* Get the data length in the descriptor buffers */ + buf1_len = xgbe_rx_buf1_len(rdata, packet); + len += buf1_len; + buf2_len = xgbe_rx_buf2_len(rdata, packet, len); + len += buf2_len; - if (rdesc_len && !skb) { + if (!skb) { skb = xgbe_create_skb(pdata, napi, rdata, - rdesc_len); - if (!skb) + buf1_len); + if (!skb) { error = 1; - } else if (rdesc_len) { + goto skip_data; + } + } + + if (buf2_len) { dma_sync_single_range_for_cpu(pdata->dev, rdata->rx.buf.dma_base, rdata->rx.buf.dma_off, @@ -2179,13 +2202,14 @@ read_again: skb_add_rx_frag(skb, skb_shinfo(skb)->nr_frags, rdata->rx.buf.pa.pages, rdata->rx.buf.pa.pages_offset, - rdesc_len, + buf2_len, rdata->rx.buf.dma_len); rdata->rx.buf.pa.pages = NULL; } } - if (incomplete || context_next) +skip_data: + if (!last || context_next) goto read_again; if (!skb) @@ -2243,7 +2267,7 @@ next_packet: } /* Check if we need to save state before leaving */ - if (received && (incomplete || context_next)) { + if (received && (!last || context_next)) { rdata = XGBE_GET_DESC_DATA(ring, ring->cur); rdata->state_saved = 1; rdata->state.skb = skb; @@ -2272,10 +2296,7 @@ static int xgbe_one_poll(struct napi_struct *napi, int budget) processed = xgbe_rx_poll(channel, budget); /* If we processed everything, we are done */ - if (processed < budget) { - /* Turn off polling */ - napi_complete_done(napi, processed); - + if ((processed < budget) && napi_complete_done(napi, processed)) { /* Enable Tx and Rx interrupts */ if (pdata->channel_irq_mode) xgbe_enable_rx_tx_int(pdata, channel); @@ -2317,10 +2338,7 @@ static int xgbe_all_poll(struct napi_struct *napi, int budget) } while ((processed < budget) && (processed != last_processed)); /* If we processed everything, we are done */ - if (processed < budget) { - /* Turn off polling */ - napi_complete_done(napi, processed); - + if ((processed < budget) && napi_complete_done(napi, processed)) { /* Enable Tx and Rx interrupts */ xgbe_enable_rx_tx_ints(pdata); } diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_main.c b/drivers/net/ethernet/aquantia/atlantic/aq_main.c index dad6362..5d6c40d 100644 --- a/drivers/net/ethernet/aquantia/atlantic/aq_main.c +++ b/drivers/net/ethernet/aquantia/atlantic/aq_main.c @@ -98,11 +98,7 @@ static int aq_ndev_change_mtu(struct net_device *ndev, int new_mtu) if (err < 0) goto err_exit; - - if (netif_running(ndev)) { - aq_ndev_close(ndev); - aq_ndev_open(ndev); - } + ndev->mtu = new_mtu; err_exit: return err; diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_nic.c b/drivers/net/ethernet/aquantia/atlantic/aq_nic.c index ee78444..cdb0299 100644 --- a/drivers/net/ethernet/aquantia/atlantic/aq_nic.c +++ b/drivers/net/ethernet/aquantia/atlantic/aq_nic.c @@ -487,6 +487,9 @@ static unsigned int aq_nic_map_skb(struct aq_nic_s *self, dx_buff->mss = skb_shinfo(skb)->gso_size; dx_buff->is_txc = 1U; + dx_buff->is_ipv6 = + (ip_hdr(skb)->version == 6) ? 1U : 0U; + dx = aq_ring_next_dx(ring, dx); dx_buff = &ring->buff_ring[dx]; ++ret; @@ -510,10 +513,22 @@ static unsigned int aq_nic_map_skb(struct aq_nic_s *self, if (skb->ip_summed == CHECKSUM_PARTIAL) { dx_buff->is_ip_cso = (htons(ETH_P_IP) == skb->protocol) ? 1U : 0U; - dx_buff->is_tcp_cso = - (ip_hdr(skb)->protocol == IPPROTO_TCP) ? 1U : 0U; - dx_buff->is_udp_cso = - (ip_hdr(skb)->protocol == IPPROTO_UDP) ? 1U : 0U; + + if (ip_hdr(skb)->version == 4) { + dx_buff->is_tcp_cso = + (ip_hdr(skb)->protocol == IPPROTO_TCP) ? + 1U : 0U; + dx_buff->is_udp_cso = + (ip_hdr(skb)->protocol == IPPROTO_UDP) ? + 1U : 0U; + } else if (ip_hdr(skb)->version == 6) { + dx_buff->is_tcp_cso = + (ipv6_hdr(skb)->nexthdr == NEXTHDR_TCP) ? + 1U : 0U; + dx_buff->is_udp_cso = + (ipv6_hdr(skb)->nexthdr == NEXTHDR_UDP) ? + 1U : 0U; + } } for (; nr_frags--; ++frag_count) { diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_pci_func.c b/drivers/net/ethernet/aquantia/atlantic/aq_pci_func.c index 581de71..4c6c882 100644 --- a/drivers/net/ethernet/aquantia/atlantic/aq_pci_func.c +++ b/drivers/net/ethernet/aquantia/atlantic/aq_pci_func.c @@ -213,9 +213,9 @@ void aq_pci_func_free_irqs(struct aq_pci_func_s *self) if (!((1U << i) & self->msix_entry_mask)) continue; - free_irq(pci_irq_vector(pdev, i), self->aq_vec[i]); if (pdev->msix_enabled) irq_set_affinity_hint(pci_irq_vector(pdev, i), NULL); + free_irq(pci_irq_vector(pdev, i), self->aq_vec[i]); self->msix_entry_mask &= ~(1U << i); } } diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_ring.c b/drivers/net/ethernet/aquantia/atlantic/aq_ring.c index 0358e607..3a8a4aa 100644 --- a/drivers/net/ethernet/aquantia/atlantic/aq_ring.c +++ b/drivers/net/ethernet/aquantia/atlantic/aq_ring.c @@ -101,6 +101,7 @@ int aq_ring_init(struct aq_ring_s *self) self->hw_head = 0; self->sw_head = 0; self->sw_tail = 0; + spin_lock_init(&self->header.lock); return 0; } diff --git a/drivers/net/ethernet/aquantia/atlantic/aq_ring.h b/drivers/net/ethernet/aquantia/atlantic/aq_ring.h index 2572546..eecd6d1 100644 --- a/drivers/net/ethernet/aquantia/atlantic/aq_ring.h +++ b/drivers/net/ethernet/aquantia/atlantic/aq_ring.h @@ -58,7 +58,8 @@ struct __packed aq_ring_buff_s { u8 len_l2; u8 len_l3; u8 len_l4; - u8 rsvd2; + u8 is_ipv6:1; + u8 rsvd2:7; u32 len_pkt; }; }; diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_a0.c b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_a0.c index a2b746a..4ee15ff 100644 --- a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_a0.c +++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_a0.c @@ -433,6 +433,9 @@ static int hw_atl_a0_hw_ring_tx_xmit(struct aq_hw_s *self, buff->len_l3 + buff->len_l2); is_gso = true; + + if (buff->is_ipv6) + txd->ctl |= HW_ATL_A0_TXD_CTL_CMD_IPV6; } else { buff_pa_len = buff->len; @@ -458,6 +461,7 @@ static int hw_atl_a0_hw_ring_tx_xmit(struct aq_hw_s *self, if (unlikely(buff->is_eop)) { txd->ctl |= HW_ATL_A0_TXD_CTL_EOP; txd->ctl |= HW_ATL_A0_TXD_CTL_CMD_WB; + is_gso = false; } } diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_a0_internal.h b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_a0_internal.h index 1093ea1..0592a03 100644 --- a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_a0_internal.h +++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_a0_internal.h @@ -137,6 +137,7 @@ static struct aq_hw_caps_s hw_atl_a0_hw_caps_ = { .tx_rings = HW_ATL_A0_TX_RINGS, .rx_rings = HW_ATL_A0_RX_RINGS, .hw_features = NETIF_F_HW_CSUM | + NETIF_F_RXCSUM | NETIF_F_RXHASH | NETIF_F_SG | NETIF_F_TSO, diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c index cab2931..4215070 100644 --- a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c +++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0.c @@ -471,6 +471,9 @@ static int hw_atl_b0_hw_ring_tx_xmit(struct aq_hw_s *self, buff->len_l3 + buff->len_l2); is_gso = true; + + if (buff->is_ipv6) + txd->ctl |= HW_ATL_B0_TXD_CTL_CMD_IPV6; } else { buff_pa_len = buff->len; @@ -496,6 +499,7 @@ static int hw_atl_b0_hw_ring_tx_xmit(struct aq_hw_s *self, if (unlikely(buff->is_eop)) { txd->ctl |= HW_ATL_B0_TXD_CTL_EOP; txd->ctl |= HW_ATL_B0_TXD_CTL_CMD_WB; + is_gso = false; } } diff --git a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0_internal.h b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0_internal.h index 8bdee3d..f3957e93 100644 --- a/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0_internal.h +++ b/drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atl_b0_internal.h @@ -188,6 +188,7 @@ static struct aq_hw_caps_s hw_atl_b0_hw_caps_ = { .tx_rings = HW_ATL_B0_TX_RINGS, .rx_rings = HW_ATL_B0_RX_RINGS, .hw_features = NETIF_F_HW_CSUM | + NETIF_F_RXCSUM | NETIF_F_RXHASH | NETIF_F_SG | NETIF_F_TSO | diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h index 0a23034..352beff 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h @@ -2277,7 +2277,7 @@ void bnx2x_igu_clear_sb_gen(struct bnx2x *bp, u8 func, u8 idu_sb_id, GENERAL_ATTEN_OFFSET(LATCHED_ATTN_RBCP) | \ GENERAL_ATTEN_OFFSET(LATCHED_ATTN_RSVD_GRC)) -#define HW_INTERRUT_ASSERT_SET_0 \ +#define HW_INTERRUPT_ASSERT_SET_0 \ (AEU_INPUTS_ATTN_BITS_TSDM_HW_INTERRUPT | \ AEU_INPUTS_ATTN_BITS_TCM_HW_INTERRUPT | \ AEU_INPUTS_ATTN_BITS_TSEMI_HW_INTERRUPT | \ @@ -2290,7 +2290,7 @@ void bnx2x_igu_clear_sb_gen(struct bnx2x *bp, u8 func, u8 idu_sb_id, AEU_INPUTS_ATTN_BITS_TSEMI_PARITY_ERROR |\ AEU_INPUTS_ATTN_BITS_TCM_PARITY_ERROR |\ AEU_INPUTS_ATTN_BITS_PBCLIENT_PARITY_ERROR) -#define HW_INTERRUT_ASSERT_SET_1 \ +#define HW_INTERRUPT_ASSERT_SET_1 \ (AEU_INPUTS_ATTN_BITS_QM_HW_INTERRUPT | \ AEU_INPUTS_ATTN_BITS_TIMERS_HW_INTERRUPT | \ AEU_INPUTS_ATTN_BITS_XSDM_HW_INTERRUPT | \ @@ -2318,7 +2318,7 @@ void bnx2x_igu_clear_sb_gen(struct bnx2x *bp, u8 func, u8 idu_sb_id, AEU_INPUTS_ATTN_BITS_UPB_PARITY_ERROR | \ AEU_INPUTS_ATTN_BITS_CSDM_PARITY_ERROR |\ AEU_INPUTS_ATTN_BITS_CCM_PARITY_ERROR) -#define HW_INTERRUT_ASSERT_SET_2 \ +#define HW_INTERRUPT_ASSERT_SET_2 \ (AEU_INPUTS_ATTN_BITS_CSEMI_HW_INTERRUPT | \ AEU_INPUTS_ATTN_BITS_CDU_HW_INTERRUPT | \ AEU_INPUTS_ATTN_BITS_DMAE_HW_INTERRUPT | \ diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c index d8d06fd..a851f95 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c @@ -4166,14 +4166,14 @@ static void bnx2x_attn_int_deasserted0(struct bnx2x *bp, u32 attn) bnx2x_release_phy_lock(bp); } - if (attn & HW_INTERRUT_ASSERT_SET_0) { + if (attn & HW_INTERRUPT_ASSERT_SET_0) { val = REG_RD(bp, reg_offset); - val &= ~(attn & HW_INTERRUT_ASSERT_SET_0); + val &= ~(attn & HW_INTERRUPT_ASSERT_SET_0); REG_WR(bp, reg_offset, val); BNX2X_ERR("FATAL HW block attention set0 0x%x\n", - (u32)(attn & HW_INTERRUT_ASSERT_SET_0)); + (u32)(attn & HW_INTERRUPT_ASSERT_SET_0)); bnx2x_panic(); } } @@ -4191,7 +4191,7 @@ static void bnx2x_attn_int_deasserted1(struct bnx2x *bp, u32 attn) BNX2X_ERR("FATAL error from DORQ\n"); } - if (attn & HW_INTERRUT_ASSERT_SET_1) { + if (attn & HW_INTERRUPT_ASSERT_SET_1) { int port = BP_PORT(bp); int reg_offset; @@ -4200,11 +4200,11 @@ static void bnx2x_attn_int_deasserted1(struct bnx2x *bp, u32 attn) MISC_REG_AEU_ENABLE1_FUNC_0_OUT_1); val = REG_RD(bp, reg_offset); - val &= ~(attn & HW_INTERRUT_ASSERT_SET_1); + val &= ~(attn & HW_INTERRUPT_ASSERT_SET_1); REG_WR(bp, reg_offset, val); BNX2X_ERR("FATAL HW block attention set1 0x%x\n", - (u32)(attn & HW_INTERRUT_ASSERT_SET_1)); + (u32)(attn & HW_INTERRUPT_ASSERT_SET_1)); bnx2x_panic(); } } @@ -4235,7 +4235,7 @@ static void bnx2x_attn_int_deasserted2(struct bnx2x *bp, u32 attn) } } - if (attn & HW_INTERRUT_ASSERT_SET_2) { + if (attn & HW_INTERRUPT_ASSERT_SET_2) { int port = BP_PORT(bp); int reg_offset; @@ -4244,11 +4244,11 @@ static void bnx2x_attn_int_deasserted2(struct bnx2x *bp, u32 attn) MISC_REG_AEU_ENABLE1_FUNC_0_OUT_2); val = REG_RD(bp, reg_offset); - val &= ~(attn & HW_INTERRUT_ASSERT_SET_2); + val &= ~(attn & HW_INTERRUPT_ASSERT_SET_2); REG_WR(bp, reg_offset, val); BNX2X_ERR("FATAL HW block attention set2 0x%x\n", - (u32)(attn & HW_INTERRUT_ASSERT_SET_2)); + (u32)(attn & HW_INTERRUPT_ASSERT_SET_2)); bnx2x_panic(); } } @@ -13292,17 +13292,15 @@ static int bnx2x_init_dev(struct bnx2x *bp, struct pci_dev *pdev, dev->vlan_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | NETIF_F_TSO | NETIF_F_TSO_ECN | NETIF_F_TSO6 | NETIF_F_HIGHDMA; - /* VF with OLD Hypervisor or old PF do not support filtering */ if (IS_PF(bp)) { if (chip_is_e1x) bp->accept_any_vlan = true; else dev->hw_features |= NETIF_F_HW_VLAN_CTAG_FILTER; -#ifdef CONFIG_BNX2X_SRIOV - } else if (bp->acquire_resp.pfdev_info.pf_cap & PFVF_CAP_VLAN_FILTER) { - dev->hw_features |= NETIF_F_HW_VLAN_CTAG_FILTER; -#endif } + /* For VF we'll know whether to enable VLAN filtering after + * getting a response to CHANNEL_TLV_ACQUIRE from PF. + */ dev->features |= dev->hw_features | NETIF_F_HW_VLAN_CTAG_RX; dev->features |= NETIF_F_HIGHDMA; @@ -13738,7 +13736,7 @@ static int bnx2x_ptp_adjfreq(struct ptp_clock_info *ptp, s32 ppb) if (!netif_running(bp->dev)) { DP(BNX2X_MSG_PTP, "PTP adjfreq called while the interface is down\n"); - return -EFAULT; + return -ENETDOWN; } if (ppb < 0) { @@ -13797,6 +13795,12 @@ static int bnx2x_ptp_adjtime(struct ptp_clock_info *ptp, s64 delta) { struct bnx2x *bp = container_of(ptp, struct bnx2x, ptp_clock_info); + if (!netif_running(bp->dev)) { + DP(BNX2X_MSG_PTP, + "PTP adjtime called while the interface is down\n"); + return -ENETDOWN; + } + DP(BNX2X_MSG_PTP, "PTP adjtime called, delta = %llx\n", delta); timecounter_adjtime(&bp->timecounter, delta); @@ -13809,6 +13813,12 @@ static int bnx2x_ptp_gettime(struct ptp_clock_info *ptp, struct timespec64 *ts) struct bnx2x *bp = container_of(ptp, struct bnx2x, ptp_clock_info); u64 ns; + if (!netif_running(bp->dev)) { + DP(BNX2X_MSG_PTP, + "PTP gettime called while the interface is down\n"); + return -ENETDOWN; + } + ns = timecounter_read(&bp->timecounter); DP(BNX2X_MSG_PTP, "PTP gettime called, ns = %llu\n", ns); @@ -13824,6 +13834,12 @@ static int bnx2x_ptp_settime(struct ptp_clock_info *ptp, struct bnx2x *bp = container_of(ptp, struct bnx2x, ptp_clock_info); u64 ns; + if (!netif_running(bp->dev)) { + DP(BNX2X_MSG_PTP, + "PTP settime called while the interface is down\n"); + return -ENETDOWN; + } + ns = timespec64_to_ns(ts); DP(BNX2X_MSG_PTP, "PTP settime called, ns = %llu\n", ns); @@ -13991,6 +14007,14 @@ static int bnx2x_init_one(struct pci_dev *pdev, rc = bnx2x_vfpf_acquire(bp, tx_count, rx_count); if (rc) goto init_one_freemem; + +#ifdef CONFIG_BNX2X_SRIOV + /* VF with OLD Hypervisor or old PF do not support filtering */ + if (bp->acquire_resp.pfdev_info.pf_cap & PFVF_CAP_VLAN_FILTER) { + dev->hw_features |= NETIF_F_HW_VLAN_CTAG_FILTER; + dev->features |= NETIF_F_HW_VLAN_CTAG_FILTER; + } +#endif } /* Enable SRIOV if capability found in configuration space */ diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c index 6fad22a..bdfd53b 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c @@ -434,7 +434,9 @@ static int bnx2x_vf_mac_vlan_config(struct bnx2x *bp, /* Add/Remove the filter */ rc = bnx2x_config_vlan_mac(bp, &ramrod); - if (rc && rc != -EEXIST) { + if (rc == -EEXIST) + return 0; + if (rc) { BNX2X_ERR("Failed to %s %s\n", filter->add ? "add" : "delete", (filter->type == BNX2X_VF_FILTER_VLAN_MAC) ? @@ -444,6 +446,8 @@ static int bnx2x_vf_mac_vlan_config(struct bnx2x *bp, return rc; } + filter->applied = true; + return 0; } @@ -469,8 +473,10 @@ int bnx2x_vf_mac_vlan_config_list(struct bnx2x *bp, struct bnx2x_virtf *vf, /* Rollback if needed */ if (i != filters->count) { BNX2X_ERR("Managed only %d/%d filters - rolling back\n", - i, filters->count + 1); + i, filters->count); while (--i >= 0) { + if (!filters->filters[i].applied) + continue; filters->filters[i].add = !filters->filters[i].add; bnx2x_vf_mac_vlan_config(bp, vf, qid, &filters->filters[i], @@ -1899,7 +1905,8 @@ void bnx2x_iov_adjust_stats_req(struct bnx2x *bp) continue; } - DP(BNX2X_MSG_IOV, "add addresses for vf %d\n", vf->abs_vfid); + DP_AND((BNX2X_MSG_IOV | BNX2X_MSG_STATS), + "add addresses for vf %d\n", vf->abs_vfid); for_each_vfq(vf, j) { struct bnx2x_vf_queue *rxq = vfq_get(vf, j); @@ -1920,11 +1927,12 @@ void bnx2x_iov_adjust_stats_req(struct bnx2x *bp) cpu_to_le32(U64_HI(q_stats_addr)); cur_query_entry->address.lo = cpu_to_le32(U64_LO(q_stats_addr)); - DP(BNX2X_MSG_IOV, - "added address %x %x for vf %d queue %d client %d\n", - cur_query_entry->address.hi, - cur_query_entry->address.lo, cur_query_entry->funcID, - j, cur_query_entry->index); + DP_AND((BNX2X_MSG_IOV | BNX2X_MSG_STATS), + "added address %x %x for vf %d queue %d client %d\n", + cur_query_entry->address.hi, + cur_query_entry->address.lo, + cur_query_entry->funcID, + j, cur_query_entry->index); cur_query_entry++; cur_data_offset += sizeof(struct per_queue_stats); stats_count++; diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.h index 7a6d406..888d0b6 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.h +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.h @@ -114,6 +114,7 @@ struct bnx2x_vf_mac_vlan_filter { (BNX2X_VF_FILTER_MAC | BNX2X_VF_FILTER_VLAN) /*shortcut*/ bool add; + bool applied; u8 *mac; u16 vid; }; diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_vfpf.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_vfpf.c index bfae300..76a4668 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_vfpf.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_vfpf.c @@ -868,7 +868,7 @@ int bnx2x_vfpf_set_mcast(struct net_device *dev) struct bnx2x *bp = netdev_priv(dev); struct vfpf_set_q_filters_tlv *req = &bp->vf2pf_mbox->req.set_q_filters; struct pfvf_general_resp_tlv *resp = &bp->vf2pf_mbox->resp.general_resp; - int rc, i = 0; + int rc = 0, i = 0; struct netdev_hw_addr *ha; if (bp->state != BNX2X_STATE_OPEN) { @@ -883,6 +883,15 @@ int bnx2x_vfpf_set_mcast(struct net_device *dev) /* Get Rx mode requested */ DP(NETIF_MSG_IFUP, "dev->flags = %x\n", dev->flags); + /* We support PFVF_MAX_MULTICAST_PER_VF mcast addresses tops */ + if (netdev_mc_count(dev) > PFVF_MAX_MULTICAST_PER_VF) { + DP(NETIF_MSG_IFUP, + "VF supports not more than %d multicast MAC addresses\n", + PFVF_MAX_MULTICAST_PER_VF); + rc = -EINVAL; + goto out; + } + netdev_for_each_mc_addr(ha, dev) { DP(NETIF_MSG_IFUP, "Adding mcast MAC: %pM\n", bnx2x_mc_addr(ha)); @@ -890,16 +899,6 @@ int bnx2x_vfpf_set_mcast(struct net_device *dev) i++; } - /* We support four PFVF_MAX_MULTICAST_PER_VF mcast - * addresses tops - */ - if (i >= PFVF_MAX_MULTICAST_PER_VF) { - DP(NETIF_MSG_IFUP, - "VF supports not more than %d multicast MAC addresses\n", - PFVF_MAX_MULTICAST_PER_VF); - return -EINVAL; - } - req->n_multicast = i; req->flags |= VFPF_SET_Q_FILTERS_MULTICAST_CHANGED; req->vf_qid = 0; @@ -924,7 +923,7 @@ int bnx2x_vfpf_set_mcast(struct net_device *dev) out: bnx2x_vfpf_finalize(bp, &req->first_tlv); - return 0; + return rc; } /* request pf to add a vlan for the vf */ @@ -1778,6 +1777,23 @@ static int bnx2x_vf_mbx_qfilters(struct bnx2x *bp, struct bnx2x_virtf *vf) goto op_err; } + /* build vlan list */ + fl = NULL; + + rc = bnx2x_vf_mbx_macvlan_list(bp, vf, msg, &fl, + VFPF_VLAN_FILTER); + if (rc) + goto op_err; + + if (fl) { + /* set vlan list */ + rc = bnx2x_vf_mac_vlan_config_list(bp, vf, fl, + msg->vf_qid, + false); + if (rc) + goto op_err; + } + } if (msg->flags & VFPF_SET_Q_FILTERS_RX_MASK_CHANGED) { diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c index 235733e..1f1e54b 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c @@ -1983,20 +1983,25 @@ static void bnxt_free_rx_skbs(struct bnxt *bp) for (j = 0; j < max_idx; j++) { struct bnxt_sw_rx_bd *rx_buf = &rxr->rx_buf_ring[j]; + dma_addr_t mapping = rx_buf->mapping; void *data = rx_buf->data; if (!data) continue; - dma_unmap_single(&pdev->dev, rx_buf->mapping, - bp->rx_buf_use_size, bp->rx_dir); - rx_buf->data = NULL; - if (BNXT_RX_PAGE_MODE(bp)) + if (BNXT_RX_PAGE_MODE(bp)) { + mapping -= bp->rx_dma_offset; + dma_unmap_page(&pdev->dev, mapping, + PAGE_SIZE, bp->rx_dir); __free_page(data); - else + } else { + dma_unmap_single(&pdev->dev, mapping, + bp->rx_buf_use_size, + bp->rx_dir); kfree(data); + } } for (j = 0; j < max_agg_idx; j++) { @@ -2455,6 +2460,18 @@ static int bnxt_init_one_rx_ring(struct bnxt *bp, int ring_nr) return 0; } +static void bnxt_init_cp_rings(struct bnxt *bp) +{ + int i; + + for (i = 0; i < bp->cp_nr_rings; i++) { + struct bnxt_cp_ring_info *cpr = &bp->bnapi[i]->cp_ring; + struct bnxt_ring_struct *ring = &cpr->cp_ring_struct; + + ring->fw_ring_id = INVALID_HW_RING_ID; + } +} + static int bnxt_init_rx_rings(struct bnxt *bp) { int i, rc = 0; @@ -4465,6 +4482,10 @@ static int bnxt_hwrm_func_qcfg(struct bnxt *bp) vf->vlan = le16_to_cpu(resp->vlan) & VLAN_VID_MASK; } #endif + if (BNXT_PF(bp) && (le16_to_cpu(resp->flags) & + FUNC_QCFG_RESP_FLAGS_FW_DCBX_AGENT_ENABLED)) + bp->flags |= BNXT_FLAG_FW_LLDP_AGENT; + switch (resp->port_partition_type) { case FUNC_QCFG_RESP_PORT_PARTITION_TYPE_NPAR1_0: case FUNC_QCFG_RESP_PORT_PARTITION_TYPE_NPAR1_5: @@ -4728,7 +4749,7 @@ static int bnxt_set_tpa(struct bnxt *bp, bool set_tpa) rc = bnxt_hwrm_vnic_set_tpa(bp, i, tpa_flags); if (rc) { netdev_err(bp->dev, "hwrm vnic set tpa failure rc for vnic %d: %x\n", - rc, i); + i, rc); return rc; } } @@ -5002,6 +5023,7 @@ static int bnxt_shutdown_nic(struct bnxt *bp, bool irq_re_init) static int bnxt_init_nic(struct bnxt *bp, bool irq_re_init) { + bnxt_init_cp_rings(bp); bnxt_init_rx_rings(bp); bnxt_init_tx_rings(bp); bnxt_init_ring_grps(bp, irq_re_init); @@ -5507,8 +5529,9 @@ static int bnxt_hwrm_phy_qcaps(struct bnxt *bp) bp->lpi_tmr_hi = le32_to_cpu(resp->valid_tx_lpi_timer_high) & PORT_PHY_QCAPS_RESP_TX_LPI_TIMER_HIGH_MASK; } - link_info->support_auto_speeds = - le16_to_cpu(resp->supported_speeds_auto_mode); + if (resp->supported_speeds_auto_mode) + link_info->support_auto_speeds = + le16_to_cpu(resp->supported_speeds_auto_mode); hwrm_phy_qcaps_exit: mutex_unlock(&bp->hwrm_cmd_lock); @@ -6495,8 +6518,14 @@ static void bnxt_reset_task(struct bnxt *bp, bool silent) if (!silent) bnxt_dbg_dump_states(bp); if (netif_running(bp->dev)) { + int rc; + + if (!silent) + bnxt_ulp_stop(bp); bnxt_close_nic(bp, false, false); - bnxt_open_nic(bp, false, false); + rc = bnxt_open_nic(bp, false, false); + if (!silent && !rc) + bnxt_ulp_start(bp); } } @@ -7444,6 +7473,10 @@ static int bnxt_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) if (rc) goto init_err_pci_clean; + rc = bnxt_hwrm_func_reset(bp); + if (rc) + goto init_err_pci_clean; + bnxt_hwrm_fw_set_time(bp); dev->hw_features = NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | NETIF_F_SG | @@ -7554,10 +7587,6 @@ static int bnxt_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) if (rc) goto init_err_pci_clean; - rc = bnxt_hwrm_func_reset(bp); - if (rc) - goto init_err_pci_clean; - rc = bnxt_init_int_mode(bp); if (rc) goto init_err_pci_clean; diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.h b/drivers/net/ethernet/broadcom/bnxt/bnxt.h index faf26a2..c7a5b84 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.h +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.h @@ -993,6 +993,7 @@ struct bnxt { BNXT_FLAG_ROCEV2_CAP) #define BNXT_FLAG_NO_AGG_RINGS 0x20000 #define BNXT_FLAG_RX_PAGE_MODE 0x40000 + #define BNXT_FLAG_FW_LLDP_AGENT 0x80000 #define BNXT_FLAG_CHIP_NITRO_A0 0x1000000 #define BNXT_FLAG_ALL_CONFIG_FEATS (BNXT_FLAG_TPA | \ diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_dcb.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_dcb.c index fdf2d8c..03532061 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt_dcb.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_dcb.c @@ -474,7 +474,7 @@ void bnxt_dcb_init(struct bnxt *bp) return; bp->dcbx_cap = DCB_CAP_DCBX_VER_IEEE; - if (BNXT_PF(bp)) + if (BNXT_PF(bp) && !(bp->flags & BNXT_FLAG_FW_LLDP_AGENT)) bp->dcbx_cap |= DCB_CAP_DCBX_HOST; else bp->dcbx_cap |= DCB_CAP_DCBX_LLD_MANAGED; diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.c b/drivers/net/ethernet/broadcom/genet/bcmgenet.c index f928968..365895e 100644 --- a/drivers/net/ethernet/broadcom/genet/bcmgenet.c +++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.c @@ -1,7 +1,7 @@ /* * Broadcom GENET (Gigabit Ethernet) controller driver * - * Copyright (c) 2014 Broadcom Corporation + * Copyright (c) 2014-2017 Broadcom * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as @@ -450,6 +450,22 @@ static inline void bcmgenet_rdma_ring_writel(struct bcmgenet_priv *priv, genet_dma_ring_regs[r]); } +static int bcmgenet_begin(struct net_device *dev) +{ + struct bcmgenet_priv *priv = netdev_priv(dev); + + /* Turn on the clock */ + return clk_prepare_enable(priv->clk); +} + +static void bcmgenet_complete(struct net_device *dev) +{ + struct bcmgenet_priv *priv = netdev_priv(dev); + + /* Turn off the clock */ + clk_disable_unprepare(priv->clk); +} + static int bcmgenet_get_link_ksettings(struct net_device *dev, struct ethtool_link_ksettings *cmd) { @@ -778,8 +794,9 @@ static const struct bcmgenet_stats bcmgenet_gstrings_stats[] = { STAT_GENET_RUNT("rx_runt_bytes", mib.rx_runt_bytes), /* Misc UniMAC counters */ STAT_GENET_MISC("rbuf_ovflow_cnt", mib.rbuf_ovflow_cnt, - UMAC_RBUF_OVFL_CNT), - STAT_GENET_MISC("rbuf_err_cnt", mib.rbuf_err_cnt, UMAC_RBUF_ERR_CNT), + UMAC_RBUF_OVFL_CNT_V1), + STAT_GENET_MISC("rbuf_err_cnt", mib.rbuf_err_cnt, + UMAC_RBUF_ERR_CNT_V1), STAT_GENET_MISC("mdf_err_cnt", mib.mdf_err_cnt, UMAC_MDF_ERR_CNT), STAT_GENET_SOFT_MIB("alloc_rx_buff_failed", mib.alloc_rx_buff_failed), STAT_GENET_SOFT_MIB("rx_dma_failed", mib.rx_dma_failed), @@ -821,6 +838,45 @@ static void bcmgenet_get_strings(struct net_device *dev, u32 stringset, } } +static u32 bcmgenet_update_stat_misc(struct bcmgenet_priv *priv, u16 offset) +{ + u16 new_offset; + u32 val; + + switch (offset) { + case UMAC_RBUF_OVFL_CNT_V1: + if (GENET_IS_V2(priv)) + new_offset = RBUF_OVFL_CNT_V2; + else + new_offset = RBUF_OVFL_CNT_V3PLUS; + + val = bcmgenet_rbuf_readl(priv, new_offset); + /* clear if overflowed */ + if (val == ~0) + bcmgenet_rbuf_writel(priv, 0, new_offset); + break; + case UMAC_RBUF_ERR_CNT_V1: + if (GENET_IS_V2(priv)) + new_offset = RBUF_ERR_CNT_V2; + else + new_offset = RBUF_ERR_CNT_V3PLUS; + + val = bcmgenet_rbuf_readl(priv, new_offset); + /* clear if overflowed */ + if (val == ~0) + bcmgenet_rbuf_writel(priv, 0, new_offset); + break; + default: + val = bcmgenet_umac_readl(priv, offset); + /* clear if overflowed */ + if (val == ~0) + bcmgenet_umac_writel(priv, 0, offset); + break; + } + + return val; +} + static void bcmgenet_update_mib_counters(struct bcmgenet_priv *priv) { int i, j = 0; @@ -836,19 +892,28 @@ static void bcmgenet_update_mib_counters(struct bcmgenet_priv *priv) case BCMGENET_STAT_NETDEV: case BCMGENET_STAT_SOFT: continue; - case BCMGENET_STAT_MIB_RX: - case BCMGENET_STAT_MIB_TX: case BCMGENET_STAT_RUNT: - if (s->type != BCMGENET_STAT_MIB_RX) - offset = BCMGENET_STAT_OFFSET; + offset += BCMGENET_STAT_OFFSET; + /* fall through */ + case BCMGENET_STAT_MIB_TX: + offset += BCMGENET_STAT_OFFSET; + /* fall through */ + case BCMGENET_STAT_MIB_RX: val = bcmgenet_umac_readl(priv, UMAC_MIB_START + j + offset); + offset = 0; /* Reset Offset */ break; case BCMGENET_STAT_MISC: - val = bcmgenet_umac_readl(priv, s->reg_offset); - /* clear if overflowed */ - if (val == ~0) - bcmgenet_umac_writel(priv, 0, s->reg_offset); + if (GENET_IS_V1(priv)) { + val = bcmgenet_umac_readl(priv, s->reg_offset); + /* clear if overflowed */ + if (val == ~0) + bcmgenet_umac_writel(priv, 0, + s->reg_offset); + } else { + val = bcmgenet_update_stat_misc(priv, + s->reg_offset); + } break; } @@ -973,6 +1038,8 @@ static int bcmgenet_set_eee(struct net_device *dev, struct ethtool_eee *e) /* standard ethtool support functions. */ static const struct ethtool_ops bcmgenet_ethtool_ops = { + .begin = bcmgenet_begin, + .complete = bcmgenet_complete, .get_strings = bcmgenet_get_strings, .get_sset_count = bcmgenet_get_sset_count, .get_ethtool_stats = bcmgenet_get_ethtool_stats, @@ -1167,7 +1234,6 @@ static unsigned int __bcmgenet_tx_reclaim(struct net_device *dev, struct bcmgenet_priv *priv = netdev_priv(dev); struct device *kdev = &priv->pdev->dev; struct enet_cb *tx_cb_ptr; - struct netdev_queue *txq; unsigned int pkts_compl = 0; unsigned int bytes_compl = 0; unsigned int c_index; @@ -1219,13 +1285,8 @@ static unsigned int __bcmgenet_tx_reclaim(struct net_device *dev, dev->stats.tx_packets += pkts_compl; dev->stats.tx_bytes += bytes_compl; - txq = netdev_get_tx_queue(dev, ring->queue); - netdev_tx_completed_queue(txq, pkts_compl, bytes_compl); - - if (ring->free_bds > (MAX_SKB_FRAGS + 1)) { - if (netif_tx_queue_stopped(txq)) - netif_tx_wake_queue(txq); - } + netdev_tx_completed_queue(netdev_get_tx_queue(dev, ring->queue), + pkts_compl, bytes_compl); return pkts_compl; } @@ -1248,8 +1309,16 @@ static int bcmgenet_tx_poll(struct napi_struct *napi, int budget) struct bcmgenet_tx_ring *ring = container_of(napi, struct bcmgenet_tx_ring, napi); unsigned int work_done = 0; + struct netdev_queue *txq; + unsigned long flags; - work_done = bcmgenet_tx_reclaim(ring->priv->dev, ring); + spin_lock_irqsave(&ring->lock, flags); + work_done = __bcmgenet_tx_reclaim(ring->priv->dev, ring); + if (ring->free_bds > (MAX_SKB_FRAGS + 1)) { + txq = netdev_get_tx_queue(ring->priv->dev, ring->queue); + netif_tx_wake_queue(txq); + } + spin_unlock_irqrestore(&ring->lock, flags); if (work_done == 0) { napi_complete(napi); @@ -2457,24 +2526,28 @@ static int bcmgenet_init_dma(struct bcmgenet_priv *priv) /* Interrupt bottom half */ static void bcmgenet_irq_task(struct work_struct *work) { + unsigned long flags; + unsigned int status; struct bcmgenet_priv *priv = container_of( work, struct bcmgenet_priv, bcmgenet_irq_work); netif_dbg(priv, intr, priv->dev, "%s\n", __func__); - if (priv->irq0_stat & UMAC_IRQ_MPD_R) { - priv->irq0_stat &= ~UMAC_IRQ_MPD_R; + spin_lock_irqsave(&priv->lock, flags); + status = priv->irq0_stat; + priv->irq0_stat = 0; + spin_unlock_irqrestore(&priv->lock, flags); + + if (status & UMAC_IRQ_MPD_R) { netif_dbg(priv, wol, priv->dev, "magic packet detected, waking up\n"); bcmgenet_power_up(priv, GENET_POWER_WOL_MAGIC); } /* Link UP/DOWN event */ - if (priv->irq0_stat & UMAC_IRQ_LINK_EVENT) { + if (status & UMAC_IRQ_LINK_EVENT) phy_mac_interrupt(priv->phydev, - !!(priv->irq0_stat & UMAC_IRQ_LINK_UP)); - priv->irq0_stat &= ~UMAC_IRQ_LINK_EVENT; - } + !!(status & UMAC_IRQ_LINK_UP)); } /* bcmgenet_isr1: handle Rx and Tx priority queues */ @@ -2483,22 +2556,21 @@ static irqreturn_t bcmgenet_isr1(int irq, void *dev_id) struct bcmgenet_priv *priv = dev_id; struct bcmgenet_rx_ring *rx_ring; struct bcmgenet_tx_ring *tx_ring; - unsigned int index; + unsigned int index, status; - /* Save irq status for bottom-half processing. */ - priv->irq1_stat = - bcmgenet_intrl2_1_readl(priv, INTRL2_CPU_STAT) & + /* Read irq status */ + status = bcmgenet_intrl2_1_readl(priv, INTRL2_CPU_STAT) & ~bcmgenet_intrl2_1_readl(priv, INTRL2_CPU_MASK_STATUS); /* clear interrupts */ - bcmgenet_intrl2_1_writel(priv, priv->irq1_stat, INTRL2_CPU_CLEAR); + bcmgenet_intrl2_1_writel(priv, status, INTRL2_CPU_CLEAR); netif_dbg(priv, intr, priv->dev, - "%s: IRQ=0x%x\n", __func__, priv->irq1_stat); + "%s: IRQ=0x%x\n", __func__, status); /* Check Rx priority queue interrupts */ for (index = 0; index < priv->hw_params->rx_queues; index++) { - if (!(priv->irq1_stat & BIT(UMAC_IRQ1_RX_INTR_SHIFT + index))) + if (!(status & BIT(UMAC_IRQ1_RX_INTR_SHIFT + index))) continue; rx_ring = &priv->rx_rings[index]; @@ -2511,7 +2583,7 @@ static irqreturn_t bcmgenet_isr1(int irq, void *dev_id) /* Check Tx priority queue interrupts */ for (index = 0; index < priv->hw_params->tx_queues; index++) { - if (!(priv->irq1_stat & BIT(index))) + if (!(status & BIT(index))) continue; tx_ring = &priv->tx_rings[index]; @@ -2531,19 +2603,20 @@ static irqreturn_t bcmgenet_isr0(int irq, void *dev_id) struct bcmgenet_priv *priv = dev_id; struct bcmgenet_rx_ring *rx_ring; struct bcmgenet_tx_ring *tx_ring; + unsigned int status; + unsigned long flags; - /* Save irq status for bottom-half processing. */ - priv->irq0_stat = - bcmgenet_intrl2_0_readl(priv, INTRL2_CPU_STAT) & + /* Read irq status */ + status = bcmgenet_intrl2_0_readl(priv, INTRL2_CPU_STAT) & ~bcmgenet_intrl2_0_readl(priv, INTRL2_CPU_MASK_STATUS); /* clear interrupts */ - bcmgenet_intrl2_0_writel(priv, priv->irq0_stat, INTRL2_CPU_CLEAR); + bcmgenet_intrl2_0_writel(priv, status, INTRL2_CPU_CLEAR); netif_dbg(priv, intr, priv->dev, - "IRQ=0x%x\n", priv->irq0_stat); + "IRQ=0x%x\n", status); - if (priv->irq0_stat & UMAC_IRQ_RXDMA_DONE) { + if (status & UMAC_IRQ_RXDMA_DONE) { rx_ring = &priv->rx_rings[DESC_INDEX]; if (likely(napi_schedule_prep(&rx_ring->napi))) { @@ -2552,7 +2625,7 @@ static irqreturn_t bcmgenet_isr0(int irq, void *dev_id) } } - if (priv->irq0_stat & UMAC_IRQ_TXDMA_DONE) { + if (status & UMAC_IRQ_TXDMA_DONE) { tx_ring = &priv->tx_rings[DESC_INDEX]; if (likely(napi_schedule_prep(&tx_ring->napi))) { @@ -2561,22 +2634,23 @@ static irqreturn_t bcmgenet_isr0(int irq, void *dev_id) } } - if (priv->irq0_stat & (UMAC_IRQ_PHY_DET_R | - UMAC_IRQ_PHY_DET_F | - UMAC_IRQ_LINK_EVENT | - UMAC_IRQ_HFB_SM | - UMAC_IRQ_HFB_MM | - UMAC_IRQ_MPD_R)) { - /* all other interested interrupts handled in bottom half */ - schedule_work(&priv->bcmgenet_irq_work); - } - if ((priv->hw_params->flags & GENET_HAS_MDIO_INTR) && - priv->irq0_stat & (UMAC_IRQ_MDIO_DONE | UMAC_IRQ_MDIO_ERROR)) { - priv->irq0_stat &= ~(UMAC_IRQ_MDIO_DONE | UMAC_IRQ_MDIO_ERROR); + status & (UMAC_IRQ_MDIO_DONE | UMAC_IRQ_MDIO_ERROR)) { wake_up(&priv->wq); } + /* all other interested interrupts handled in bottom half */ + status &= (UMAC_IRQ_LINK_EVENT | + UMAC_IRQ_MPD_R); + if (status) { + /* Save irq status for bottom-half processing. */ + spin_lock_irqsave(&priv->lock, flags); + priv->irq0_stat |= status; + spin_unlock_irqrestore(&priv->lock, flags); + + schedule_work(&priv->bcmgenet_irq_work); + } + return IRQ_HANDLED; } @@ -2801,6 +2875,8 @@ err_irq0: err_fini_dma: bcmgenet_fini_dma(priv); err_clk_disable: + if (priv->internal_phy) + bcmgenet_power_down(priv, GENET_POWER_PASSIVE); clk_disable_unprepare(priv->clk); return ret; } @@ -3177,6 +3253,12 @@ static void bcmgenet_set_hw_params(struct bcmgenet_priv *priv) */ gphy_rev = reg & 0xffff; + /* This is reserved so should require special treatment */ + if (gphy_rev == 0 || gphy_rev == 0x01ff) { + pr_warn("Invalid GPHY revision detected: 0x%04x\n", gphy_rev); + return; + } + /* This is the good old scheme, just GPHY major, no minor nor patch */ if ((gphy_rev & 0xf0) != 0) priv->gphy_rev = gphy_rev << 8; @@ -3185,12 +3267,6 @@ static void bcmgenet_set_hw_params(struct bcmgenet_priv *priv) else if ((gphy_rev & 0xff00) != 0) priv->gphy_rev = gphy_rev; - /* This is reserved so should require special treatment */ - else if (gphy_rev == 0 || gphy_rev == 0x01ff) { - pr_warn("Invalid GPHY revision detected: 0x%04x\n", gphy_rev); - return; - } - #ifdef CONFIG_PHYS_ADDR_T_64BIT if (!(params->flags & GENET_HAS_40BITS)) pr_warn("GENET does not support 40-bits PA\n"); @@ -3233,6 +3309,7 @@ static int bcmgenet_probe(struct platform_device *pdev) const void *macaddr; struct resource *r; int err = -EIO; + const char *phy_mode_str; /* Up to GENET_MAX_MQ_CNT + 1 TX queues and RX queues */ dev = alloc_etherdev_mqs(sizeof(*priv), GENET_MAX_MQ_CNT + 1, @@ -3276,6 +3353,8 @@ static int bcmgenet_probe(struct platform_device *pdev) goto err; } + spin_lock_init(&priv->lock); + SET_NETDEV_DEV(dev, &pdev->dev); dev_set_drvdata(&pdev->dev, dev); ether_addr_copy(dev->dev_addr, macaddr); @@ -3338,6 +3417,13 @@ static int bcmgenet_probe(struct platform_device *pdev) priv->clk_eee = NULL; } + /* If this is an internal GPHY, power it on now, before UniMAC is + * brought out of reset as absolutely no UniMAC activity is allowed + */ + if (dn && !of_property_read_string(dn, "phy-mode", &phy_mode_str) && + !strcasecmp(phy_mode_str, "internal")) + bcmgenet_power_up(priv, GENET_POWER_PASSIVE); + err = reset_umac(priv); if (err) goto err_clk_disable; @@ -3395,7 +3481,8 @@ static int bcmgenet_suspend(struct device *d) bcmgenet_netif_stop(dev); - phy_suspend(priv->phydev); + if (!device_may_wakeup(d)) + phy_suspend(priv->phydev); netif_device_detach(dev); @@ -3492,7 +3579,8 @@ static int bcmgenet_resume(struct device *d) netif_device_attach(dev); - phy_resume(priv->phydev); + if (!device_may_wakeup(d)) + phy_resume(priv->phydev); if (priv->eee.eee_enabled) bcmgenet_eee_enable_set(dev, true); @@ -3502,6 +3590,8 @@ static int bcmgenet_resume(struct device *d) return 0; out_clk_disable: + if (priv->internal_phy) + bcmgenet_power_down(priv, GENET_POWER_PASSIVE); clk_disable_unprepare(priv->clk); return ret; } diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.h b/drivers/net/ethernet/broadcom/genet/bcmgenet.h index 1e2dc34..db7f289 100644 --- a/drivers/net/ethernet/broadcom/genet/bcmgenet.h +++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.h @@ -1,5 +1,5 @@ /* - * Copyright (c) 2014 Broadcom Corporation + * Copyright (c) 2014-2017 Broadcom * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as @@ -214,7 +214,9 @@ struct bcmgenet_mib_counters { #define MDIO_REG_SHIFT 16 #define MDIO_REG_MASK 0x1F -#define UMAC_RBUF_OVFL_CNT 0x61C +#define UMAC_RBUF_OVFL_CNT_V1 0x61C +#define RBUF_OVFL_CNT_V2 0x80 +#define RBUF_OVFL_CNT_V3PLUS 0x94 #define UMAC_MPD_CTRL 0x620 #define MPD_EN (1 << 0) @@ -224,7 +226,9 @@ struct bcmgenet_mib_counters { #define UMAC_MPD_PW_MS 0x624 #define UMAC_MPD_PW_LS 0x628 -#define UMAC_RBUF_ERR_CNT 0x634 +#define UMAC_RBUF_ERR_CNT_V1 0x634 +#define RBUF_ERR_CNT_V2 0x84 +#define RBUF_ERR_CNT_V3PLUS 0x98 #define UMAC_MDF_ERR_CNT 0x638 #define UMAC_MDF_CTRL 0x650 #define UMAC_MDF_ADDR 0x654 @@ -619,11 +623,13 @@ struct bcmgenet_priv { struct work_struct bcmgenet_irq_work; int irq0; int irq1; - unsigned int irq0_stat; - unsigned int irq1_stat; int wol_irq; bool wol_irq_disabled; + /* shared status */ + spinlock_t lock; + unsigned int irq0_stat; + /* HW descriptors/checksum variables */ bool desc_64b_en; bool desc_rxchk_en; diff --git a/drivers/net/ethernet/broadcom/genet/bcmmii.c b/drivers/net/ethernet/broadcom/genet/bcmmii.c index e876076..2f92819 100644 --- a/drivers/net/ethernet/broadcom/genet/bcmmii.c +++ b/drivers/net/ethernet/broadcom/genet/bcmmii.c @@ -220,20 +220,6 @@ void bcmgenet_phy_power_set(struct net_device *dev, bool enable) udelay(60); } -static void bcmgenet_internal_phy_setup(struct net_device *dev) -{ - struct bcmgenet_priv *priv = netdev_priv(dev); - u32 reg; - - /* Power up PHY */ - bcmgenet_phy_power_set(dev, true); - /* enable APD */ - reg = bcmgenet_ext_readl(priv, EXT_EXT_PWR_MGMT); - reg |= EXT_PWR_DN_EN_LD; - bcmgenet_ext_writel(priv, reg, EXT_EXT_PWR_MGMT); - bcmgenet_mii_reset(dev); -} - static void bcmgenet_moca_phy_setup(struct bcmgenet_priv *priv) { u32 reg; @@ -281,7 +267,6 @@ int bcmgenet_mii_config(struct net_device *dev) if (priv->internal_phy) { phy_name = "internal PHY"; - bcmgenet_internal_phy_setup(dev); } else if (priv->phy_interface == PHY_INTERFACE_MODE_MOCA) { phy_name = "MoCA"; bcmgenet_moca_phy_setup(priv); diff --git a/drivers/net/ethernet/brocade/bna/bfa_ioc.c b/drivers/net/ethernet/brocade/bna/bfa_ioc.c index 9e59663..0f68118 100644 --- a/drivers/net/ethernet/brocade/bna/bfa_ioc.c +++ b/drivers/net/ethernet/brocade/bna/bfa_ioc.c @@ -1930,13 +1930,13 @@ static void bfa_ioc_send_enable(struct bfa_ioc *ioc) { struct bfi_ioc_ctrl_req enable_req; - struct timeval tv; bfi_h2i_set(enable_req.mh, BFI_MC_IOC, BFI_IOC_H2I_ENABLE_REQ, bfa_ioc_portid(ioc)); enable_req.clscode = htons(ioc->clscode); - do_gettimeofday(&tv); - enable_req.tv_sec = ntohl(tv.tv_sec); + enable_req.rsvd = htons(0); + /* overflow in 2106 */ + enable_req.tv_sec = ntohl(ktime_get_real_seconds()); bfa_ioc_mbox_send(ioc, &enable_req, sizeof(struct bfi_ioc_ctrl_req)); } @@ -1947,6 +1947,10 @@ bfa_ioc_send_disable(struct bfa_ioc *ioc) bfi_h2i_set(disable_req.mh, BFI_MC_IOC, BFI_IOC_H2I_DISABLE_REQ, bfa_ioc_portid(ioc)); + disable_req.clscode = htons(ioc->clscode); + disable_req.rsvd = htons(0); + /* overflow in 2106 */ + disable_req.tv_sec = ntohl(ktime_get_real_seconds()); bfa_ioc_mbox_send(ioc, &disable_req, sizeof(struct bfi_ioc_ctrl_req)); } diff --git a/drivers/net/ethernet/brocade/bna/bnad_debugfs.c b/drivers/net/ethernet/brocade/bna/bnad_debugfs.c index 05c1c1d..cebfe3b 100644 --- a/drivers/net/ethernet/brocade/bna/bnad_debugfs.c +++ b/drivers/net/ethernet/brocade/bna/bnad_debugfs.c @@ -325,7 +325,7 @@ bnad_debugfs_write_regrd(struct file *file, const char __user *buf, return PTR_ERR(kern_buf); rc = sscanf(kern_buf, "%x:%x", &addr, &len); - if (rc < 2) { + if (rc < 2 || len > UINT_MAX >> 2) { netdev_warn(bnad->netdev, "failed to read user buffer\n"); kfree(kern_buf); return -EINVAL; diff --git a/drivers/net/ethernet/cavium/liquidio/lio_main.c b/drivers/net/ethernet/cavium/liquidio/lio_main.c index be9c0e3..92f46b1 100644 --- a/drivers/net/ethernet/cavium/liquidio/lio_main.c +++ b/drivers/net/ethernet/cavium/liquidio/lio_main.c @@ -152,7 +152,7 @@ struct octnic_gather { */ struct octeon_sg_entry *sg; - u64 sg_dma_ptr; + dma_addr_t sg_dma_ptr; }; struct handshake { @@ -734,6 +734,9 @@ static void delete_glists(struct lio *lio) struct octnic_gather *g; int i; + kfree(lio->glist_lock); + lio->glist_lock = NULL; + if (!lio->glist) return; @@ -741,23 +744,26 @@ static void delete_glists(struct lio *lio) do { g = (struct octnic_gather *) list_delete_head(&lio->glist[i]); - if (g) { - if (g->sg) { - dma_unmap_single(&lio->oct_dev-> - pci_dev->dev, - g->sg_dma_ptr, - g->sg_size, - DMA_TO_DEVICE); - kfree((void *)((unsigned long)g->sg - - g->adjust)); - } + if (g) kfree(g); - } } while (g); + + if (lio->glists_virt_base && lio->glists_virt_base[i]) { + lio_dma_free(lio->oct_dev, + lio->glist_entry_size * lio->tx_qsize, + lio->glists_virt_base[i], + lio->glists_dma_base[i]); + } } - kfree((void *)lio->glist); - kfree((void *)lio->glist_lock); + kfree(lio->glists_virt_base); + lio->glists_virt_base = NULL; + + kfree(lio->glists_dma_base); + lio->glists_dma_base = NULL; + + kfree(lio->glist); + lio->glist = NULL; } /** @@ -772,13 +778,30 @@ static int setup_glists(struct octeon_device *oct, struct lio *lio, int num_iqs) lio->glist_lock = kcalloc(num_iqs, sizeof(*lio->glist_lock), GFP_KERNEL); if (!lio->glist_lock) - return 1; + return -ENOMEM; lio->glist = kcalloc(num_iqs, sizeof(*lio->glist), GFP_KERNEL); if (!lio->glist) { - kfree((void *)lio->glist_lock); - return 1; + kfree(lio->glist_lock); + lio->glist_lock = NULL; + return -ENOMEM; + } + + lio->glist_entry_size = + ROUNDUP8((ROUNDUP4(OCTNIC_MAX_SG) >> 2) * OCT_SG_ENTRY_SIZE); + + /* allocate memory to store virtual and dma base address of + * per glist consistent memory + */ + lio->glists_virt_base = kcalloc(num_iqs, sizeof(*lio->glists_virt_base), + GFP_KERNEL); + lio->glists_dma_base = kcalloc(num_iqs, sizeof(*lio->glists_dma_base), + GFP_KERNEL); + + if (!lio->glists_virt_base || !lio->glists_dma_base) { + delete_glists(lio); + return -ENOMEM; } for (i = 0; i < num_iqs; i++) { @@ -788,6 +811,16 @@ static int setup_glists(struct octeon_device *oct, struct lio *lio, int num_iqs) INIT_LIST_HEAD(&lio->glist[i]); + lio->glists_virt_base[i] = + lio_dma_alloc(oct, + lio->glist_entry_size * lio->tx_qsize, + &lio->glists_dma_base[i]); + + if (!lio->glists_virt_base[i]) { + delete_glists(lio); + return -ENOMEM; + } + for (j = 0; j < lio->tx_qsize; j++) { g = kzalloc_node(sizeof(*g), GFP_KERNEL, numa_node); @@ -796,43 +829,18 @@ static int setup_glists(struct octeon_device *oct, struct lio *lio, int num_iqs) if (!g) break; - g->sg_size = ((ROUNDUP4(OCTNIC_MAX_SG) >> 2) * - OCT_SG_ENTRY_SIZE); + g->sg = lio->glists_virt_base[i] + + (j * lio->glist_entry_size); - g->sg = kmalloc_node(g->sg_size + 8, - GFP_KERNEL, numa_node); - if (!g->sg) - g->sg = kmalloc(g->sg_size + 8, GFP_KERNEL); - if (!g->sg) { - kfree(g); - break; - } - - /* The gather component should be aligned on 64-bit - * boundary - */ - if (((unsigned long)g->sg) & 7) { - g->adjust = 8 - (((unsigned long)g->sg) & 7); - g->sg = (struct octeon_sg_entry *) - ((unsigned long)g->sg + g->adjust); - } - g->sg_dma_ptr = dma_map_single(&oct->pci_dev->dev, - g->sg, g->sg_size, - DMA_TO_DEVICE); - if (dma_mapping_error(&oct->pci_dev->dev, - g->sg_dma_ptr)) { - kfree((void *)((unsigned long)g->sg - - g->adjust)); - kfree(g); - break; - } + g->sg_dma_ptr = lio->glists_dma_base[i] + + (j * lio->glist_entry_size); list_add_tail(&g->list, &lio->glist[i]); } if (j != lio->tx_qsize) { delete_glists(lio); - return 1; + return -ENOMEM; } } @@ -1885,9 +1893,6 @@ static void free_netsgbuf(void *buf) i++; } - dma_sync_single_for_cpu(&lio->oct_dev->pci_dev->dev, - g->sg_dma_ptr, g->sg_size, DMA_TO_DEVICE); - iq = skb_iq(lio, skb); spin_lock(&lio->glist_lock[iq]); list_add_tail(&g->list, &lio->glist[iq]); @@ -1933,9 +1938,6 @@ static void free_netsgbuf_with_resp(void *buf) i++; } - dma_sync_single_for_cpu(&lio->oct_dev->pci_dev->dev, - g->sg_dma_ptr, g->sg_size, DMA_TO_DEVICE); - iq = skb_iq(lio, skb); spin_lock(&lio->glist_lock[iq]); @@ -3273,8 +3275,6 @@ static int liquidio_xmit(struct sk_buff *skb, struct net_device *netdev) i++; } - dma_sync_single_for_device(&oct->pci_dev->dev, g->sg_dma_ptr, - g->sg_size, DMA_TO_DEVICE); dptr = g->sg_dma_ptr; if (OCTEON_CN23XX_PF(oct)) diff --git a/drivers/net/ethernet/cavium/liquidio/lio_vf_main.c b/drivers/net/ethernet/cavium/liquidio/lio_vf_main.c index 9d5e035..7b83be4 100644 --- a/drivers/net/ethernet/cavium/liquidio/lio_vf_main.c +++ b/drivers/net/ethernet/cavium/liquidio/lio_vf_main.c @@ -108,6 +108,8 @@ struct octnic_gather { * received from the IP layer. */ struct octeon_sg_entry *sg; + + dma_addr_t sg_dma_ptr; }; struct octeon_device_priv { @@ -490,6 +492,9 @@ static void delete_glists(struct lio *lio) struct octnic_gather *g; int i; + kfree(lio->glist_lock); + lio->glist_lock = NULL; + if (!lio->glist) return; @@ -497,17 +502,26 @@ static void delete_glists(struct lio *lio) do { g = (struct octnic_gather *) list_delete_head(&lio->glist[i]); - if (g) { - if (g->sg) - kfree((void *)((unsigned long)g->sg - - g->adjust)); + if (g) kfree(g); - } } while (g); + + if (lio->glists_virt_base && lio->glists_virt_base[i]) { + lio_dma_free(lio->oct_dev, + lio->glist_entry_size * lio->tx_qsize, + lio->glists_virt_base[i], + lio->glists_dma_base[i]); + } } + kfree(lio->glists_virt_base); + lio->glists_virt_base = NULL; + + kfree(lio->glists_dma_base); + lio->glists_dma_base = NULL; + kfree(lio->glist); - kfree(lio->glist_lock); + lio->glist = NULL; } /** @@ -522,13 +536,30 @@ static int setup_glists(struct lio *lio, int num_iqs) lio->glist_lock = kzalloc(sizeof(*lio->glist_lock) * num_iqs, GFP_KERNEL); if (!lio->glist_lock) - return 1; + return -ENOMEM; lio->glist = kzalloc(sizeof(*lio->glist) * num_iqs, GFP_KERNEL); if (!lio->glist) { kfree(lio->glist_lock); - return 1; + lio->glist_lock = NULL; + return -ENOMEM; + } + + lio->glist_entry_size = + ROUNDUP8((ROUNDUP4(OCTNIC_MAX_SG) >> 2) * OCT_SG_ENTRY_SIZE); + + /* allocate memory to store virtual and dma base address of + * per glist consistent memory + */ + lio->glists_virt_base = kcalloc(num_iqs, sizeof(*lio->glists_virt_base), + GFP_KERNEL); + lio->glists_dma_base = kcalloc(num_iqs, sizeof(*lio->glists_dma_base), + GFP_KERNEL); + + if (!lio->glists_virt_base || !lio->glists_dma_base) { + delete_glists(lio); + return -ENOMEM; } for (i = 0; i < num_iqs; i++) { @@ -536,34 +567,33 @@ static int setup_glists(struct lio *lio, int num_iqs) INIT_LIST_HEAD(&lio->glist[i]); + lio->glists_virt_base[i] = + lio_dma_alloc(lio->oct_dev, + lio->glist_entry_size * lio->tx_qsize, + &lio->glists_dma_base[i]); + + if (!lio->glists_virt_base[i]) { + delete_glists(lio); + return -ENOMEM; + } + for (j = 0; j < lio->tx_qsize; j++) { g = kzalloc(sizeof(*g), GFP_KERNEL); if (!g) break; - g->sg_size = ((ROUNDUP4(OCTNIC_MAX_SG) >> 2) * - OCT_SG_ENTRY_SIZE); + g->sg = lio->glists_virt_base[i] + + (j * lio->glist_entry_size); - g->sg = kmalloc(g->sg_size + 8, GFP_KERNEL); - if (!g->sg) { - kfree(g); - break; - } + g->sg_dma_ptr = lio->glists_dma_base[i] + + (j * lio->glist_entry_size); - /* The gather component should be aligned on 64-bit - * boundary - */ - if (((unsigned long)g->sg) & 7) { - g->adjust = 8 - (((unsigned long)g->sg) & 7); - g->sg = (struct octeon_sg_entry *) - ((unsigned long)g->sg + g->adjust); - } list_add_tail(&g->list, &lio->glist[i]); } if (j != lio->tx_qsize) { delete_glists(lio); - return 1; + return -ENOMEM; } } @@ -1324,10 +1354,6 @@ static void free_netsgbuf(void *buf) i++; } - dma_unmap_single(&lio->oct_dev->pci_dev->dev, - finfo->dptr, g->sg_size, - DMA_TO_DEVICE); - iq = skb_iq(lio, skb); spin_lock(&lio->glist_lock[iq]); @@ -1374,10 +1400,6 @@ static void free_netsgbuf_with_resp(void *buf) i++; } - dma_unmap_single(&lio->oct_dev->pci_dev->dev, - finfo->dptr, g->sg_size, - DMA_TO_DEVICE); - iq = skb_iq(lio, skb); spin_lock(&lio->glist_lock[iq]); @@ -2382,23 +2404,7 @@ static int liquidio_xmit(struct sk_buff *skb, struct net_device *netdev) i++; } - dptr = dma_map_single(&oct->pci_dev->dev, - g->sg, g->sg_size, - DMA_TO_DEVICE); - if (dma_mapping_error(&oct->pci_dev->dev, dptr)) { - dev_err(&oct->pci_dev->dev, "%s DMA mapping error 4\n", - __func__); - dma_unmap_single(&oct->pci_dev->dev, g->sg[0].ptr[0], - skb->len - skb->data_len, - DMA_TO_DEVICE); - for (j = 1; j <= frags; j++) { - frag = &skb_shinfo(skb)->frags[j - 1]; - dma_unmap_page(&oct->pci_dev->dev, - g->sg[j >> 2].ptr[j & 3], - frag->size, DMA_TO_DEVICE); - } - return NETDEV_TX_BUSY; - } + dptr = g->sg_dma_ptr; ndata.cmd.cmd3.dptr = dptr; finfo->dptr = dptr; diff --git a/drivers/net/ethernet/cavium/liquidio/octeon_config.h b/drivers/net/ethernet/cavium/liquidio/octeon_config.h index b3dc2e9..d29ebc5 100644 --- a/drivers/net/ethernet/cavium/liquidio/octeon_config.h +++ b/drivers/net/ethernet/cavium/liquidio/octeon_config.h @@ -71,17 +71,17 @@ #define CN23XX_MAX_RINGS_PER_VF 8 #define CN23XX_MAX_INPUT_QUEUES CN23XX_MAX_RINGS_PER_PF -#define CN23XX_MAX_IQ_DESCRIPTORS 2048 +#define CN23XX_MAX_IQ_DESCRIPTORS 512 #define CN23XX_DB_MIN 1 #define CN23XX_DB_MAX 8 #define CN23XX_DB_TIMEOUT 1 #define CN23XX_MAX_OUTPUT_QUEUES CN23XX_MAX_RINGS_PER_PF -#define CN23XX_MAX_OQ_DESCRIPTORS 2048 +#define CN23XX_MAX_OQ_DESCRIPTORS 512 #define CN23XX_OQ_BUF_SIZE 1536 #define CN23XX_OQ_PKTSPER_INTR 128 /*#define CAVIUM_ONLY_CN23XX_RX_PERF*/ -#define CN23XX_OQ_REFIL_THRESHOLD 128 +#define CN23XX_OQ_REFIL_THRESHOLD 16 #define CN23XX_OQ_INTR_PKT 64 #define CN23XX_OQ_INTR_TIME 100 diff --git a/drivers/net/ethernet/cavium/liquidio/octeon_droq.c b/drivers/net/ethernet/cavium/liquidio/octeon_droq.c index 0be87d1..79f8094 100644 --- a/drivers/net/ethernet/cavium/liquidio/octeon_droq.c +++ b/drivers/net/ethernet/cavium/liquidio/octeon_droq.c @@ -155,11 +155,6 @@ octeon_droq_destroy_ring_buffers(struct octeon_device *oct, recv_buffer_destroy(droq->recv_buf_list[i].buffer, pg_info); - if (droq->desc_ring && droq->desc_ring[i].info_ptr) - lio_unmap_ring_info(oct->pci_dev, - (u64)droq-> - desc_ring[i].info_ptr, - OCT_DROQ_INFO_SIZE); droq->recv_buf_list[i].buffer = NULL; } @@ -211,10 +206,7 @@ int octeon_delete_droq(struct octeon_device *oct, u32 q_no) vfree(droq->recv_buf_list); if (droq->info_base_addr) - cnnic_free_aligned_dma(oct->pci_dev, droq->info_list, - droq->info_alloc_size, - droq->info_base_addr, - droq->info_list_dma); + lio_free_info_buffer(oct, droq); if (droq->desc_ring) lio_dma_free(oct, (droq->max_count * OCT_DROQ_DESC_SIZE), @@ -294,12 +286,7 @@ int octeon_init_droq(struct octeon_device *oct, dev_dbg(&oct->pci_dev->dev, "droq[%d]: num_desc: %d\n", q_no, droq->max_count); - droq->info_list = - cnnic_numa_alloc_aligned_dma((droq->max_count * - OCT_DROQ_INFO_SIZE), - &droq->info_alloc_size, - &droq->info_base_addr, - numa_node); + droq->info_list = lio_alloc_info_buffer(oct, droq); if (!droq->info_list) { dev_err(&oct->pci_dev->dev, "Cannot allocate memory for info list.\n"); lio_dma_free(oct, (droq->max_count * OCT_DROQ_DESC_SIZE), diff --git a/drivers/net/ethernet/cavium/liquidio/octeon_droq.h b/drivers/net/ethernet/cavium/liquidio/octeon_droq.h index e620740..6982c0a 100644 --- a/drivers/net/ethernet/cavium/liquidio/octeon_droq.h +++ b/drivers/net/ethernet/cavium/liquidio/octeon_droq.h @@ -325,10 +325,10 @@ struct octeon_droq { size_t desc_ring_dma; /** Info ptr list are allocated at this virtual address. */ - size_t info_base_addr; + void *info_base_addr; /** DMA mapped address of the info list */ - size_t info_list_dma; + dma_addr_t info_list_dma; /** Allocated size of info list. */ u32 info_alloc_size; diff --git a/drivers/net/ethernet/cavium/liquidio/octeon_main.h b/drivers/net/ethernet/cavium/liquidio/octeon_main.h index aa36e9a..bed9ef1 100644 --- a/drivers/net/ethernet/cavium/liquidio/octeon_main.h +++ b/drivers/net/ethernet/cavium/liquidio/octeon_main.h @@ -140,48 +140,6 @@ err_release_region: return 1; } -static inline void * -cnnic_numa_alloc_aligned_dma(u32 size, - u32 *alloc_size, - size_t *orig_ptr, - int numa_node) -{ - int retries = 0; - void *ptr = NULL; - -#define OCTEON_MAX_ALLOC_RETRIES 1 - do { - struct page *page = NULL; - - page = alloc_pages_node(numa_node, - GFP_KERNEL, - get_order(size)); - if (!page) - page = alloc_pages(GFP_KERNEL, - get_order(size)); - ptr = (void *)page_address(page); - if ((unsigned long)ptr & 0x07) { - __free_pages(page, get_order(size)); - ptr = NULL; - /* Increment the size required if the first - * attempt failed. - */ - if (!retries) - size += 7; - } - retries++; - } while ((retries <= OCTEON_MAX_ALLOC_RETRIES) && !ptr); - - *alloc_size = size; - *orig_ptr = (unsigned long)ptr; - if ((unsigned long)ptr & 0x07) - ptr = (void *)(((unsigned long)ptr + 7) & ~(7UL)); - return ptr; -} - -#define cnnic_free_aligned_dma(pci_dev, ptr, size, orig_ptr, dma_addr) \ - free_pages(orig_ptr, get_order(size)) - static inline int sleep_cond(wait_queue_head_t *wait_queue, int *condition) { diff --git a/drivers/net/ethernet/cavium/liquidio/octeon_network.h b/drivers/net/ethernet/cavium/liquidio/octeon_network.h index 6bb8941..eef2a1e 100644 --- a/drivers/net/ethernet/cavium/liquidio/octeon_network.h +++ b/drivers/net/ethernet/cavium/liquidio/octeon_network.h @@ -62,6 +62,9 @@ struct lio { /** Array of gather component linked lists */ struct list_head *glist; + void **glists_virt_base; + dma_addr_t *glists_dma_base; + u32 glist_entry_size; /** Pointer to the NIC properties for the Octeon device this network * interface is associated with. @@ -344,6 +347,29 @@ static inline void tx_buffer_free(void *buffer) #define lio_dma_free(oct, size, virt_addr, dma_addr) \ dma_free_coherent(&(oct)->pci_dev->dev, size, virt_addr, dma_addr) +static inline void * +lio_alloc_info_buffer(struct octeon_device *oct, + struct octeon_droq *droq) +{ + void *virt_ptr; + + virt_ptr = lio_dma_alloc(oct, (droq->max_count * OCT_DROQ_INFO_SIZE), + &droq->info_list_dma); + if (virt_ptr) { + droq->info_alloc_size = droq->max_count * OCT_DROQ_INFO_SIZE; + droq->info_base_addr = virt_ptr; + } + + return virt_ptr; +} + +static inline void lio_free_info_buffer(struct octeon_device *oct, + struct octeon_droq *droq) +{ + lio_dma_free(oct, droq->info_alloc_size, droq->info_base_addr, + droq->info_list_dma); +} + static inline void *get_rbd(struct sk_buff *skb) { @@ -359,22 +385,7 @@ void *get_rbd(struct sk_buff *skb) static inline u64 lio_map_ring_info(struct octeon_droq *droq, u32 i) { - dma_addr_t dma_addr; - struct octeon_device *oct = droq->oct_dev; - - dma_addr = dma_map_single(&oct->pci_dev->dev, &droq->info_list[i], - OCT_DROQ_INFO_SIZE, DMA_FROM_DEVICE); - - WARN_ON(dma_mapping_error(&oct->pci_dev->dev, dma_addr)); - - return (u64)dma_addr; -} - -static inline void -lio_unmap_ring_info(struct pci_dev *pci_dev, - u64 info_ptr, u32 size) -{ - dma_unmap_single(&pci_dev->dev, info_ptr, size, DMA_FROM_DEVICE); + return droq->info_list_dma + (i * sizeof(struct octeon_droq_info)); } static inline u64 diff --git a/drivers/net/ethernet/cavium/thunder/nic.h b/drivers/net/ethernet/cavium/thunder/nic.h index e739c71..2269ff5 100644 --- a/drivers/net/ethernet/cavium/thunder/nic.h +++ b/drivers/net/ethernet/cavium/thunder/nic.h @@ -269,6 +269,7 @@ struct nicvf { #define MAX_QUEUES_PER_QSET 8 struct queue_set *qs; struct nicvf_cq_poll *napi[8]; + void *iommu_domain; u8 vf_id; u8 sqs_id; bool sqs_mode; diff --git a/drivers/net/ethernet/cavium/thunder/nicvf_main.c b/drivers/net/ethernet/cavium/thunder/nicvf_main.c index 6feaa24..2401758 100644 --- a/drivers/net/ethernet/cavium/thunder/nicvf_main.c +++ b/drivers/net/ethernet/cavium/thunder/nicvf_main.c @@ -16,6 +16,7 @@ #include <linux/log2.h> #include <linux/prefetch.h> #include <linux/irq.h> +#include <linux/iommu.h> #include "nic_reg.h" #include "nic.h" @@ -525,7 +526,12 @@ static void nicvf_snd_pkt_handler(struct net_device *netdev, /* Get actual TSO descriptors and free them */ tso_sqe = (struct sq_hdr_subdesc *)GET_SQ_DESC(sq, hdr->rsvd2); + nicvf_unmap_sndq_buffers(nic, sq, hdr->rsvd2, + tso_sqe->subdesc_cnt); nicvf_put_sq_desc(sq, tso_sqe->subdesc_cnt + 1); + } else { + nicvf_unmap_sndq_buffers(nic, sq, cqe_tx->sqe_ptr, + hdr->subdesc_cnt); } nicvf_put_sq_desc(sq, hdr->subdesc_cnt + 1); prefetch(skb); @@ -576,6 +582,7 @@ static void nicvf_rcv_pkt_handler(struct net_device *netdev, { struct sk_buff *skb; struct nicvf *nic = netdev_priv(netdev); + struct nicvf *snic = nic; int err = 0; int rq_idx; @@ -592,7 +599,7 @@ static void nicvf_rcv_pkt_handler(struct net_device *netdev, if (err && !cqe_rx->rb_cnt) return; - skb = nicvf_get_rcv_skb(nic, cqe_rx); + skb = nicvf_get_rcv_skb(snic, cqe_rx); if (!skb) { netdev_dbg(nic->netdev, "Packet not received\n"); return; @@ -1643,6 +1650,9 @@ static int nicvf_probe(struct pci_dev *pdev, const struct pci_device_id *ent) if (!pass1_silicon(nic->pdev)) nic->hw_tso = true; + /* Get iommu domain for iova to physical addr conversion */ + nic->iommu_domain = iommu_get_domain_for_dev(dev); + pci_read_config_word(nic->pdev, PCI_SUBSYSTEM_ID, &sdevid); if (sdevid == 0xA134) nic->t88 = true; diff --git a/drivers/net/ethernet/cavium/thunder/nicvf_queues.c b/drivers/net/ethernet/cavium/thunder/nicvf_queues.c index ac0390b..f13289f 100644 --- a/drivers/net/ethernet/cavium/thunder/nicvf_queues.c +++ b/drivers/net/ethernet/cavium/thunder/nicvf_queues.c @@ -10,6 +10,7 @@ #include <linux/netdevice.h> #include <linux/ip.h> #include <linux/etherdevice.h> +#include <linux/iommu.h> #include <net/ip.h> #include <net/tso.h> @@ -18,6 +19,16 @@ #include "q_struct.h" #include "nicvf_queues.h" +#define NICVF_PAGE_ORDER ((PAGE_SIZE <= 4096) ? PAGE_ALLOC_COSTLY_ORDER : 0) + +static inline u64 nicvf_iova_to_phys(struct nicvf *nic, dma_addr_t dma_addr) +{ + /* Translation is installed only when IOMMU is present */ + if (nic->iommu_domain) + return iommu_iova_to_phys(nic->iommu_domain, dma_addr); + return dma_addr; +} + static void nicvf_get_page(struct nicvf *nic) { if (!nic->rb_pageref || !nic->rb_page) @@ -87,7 +98,7 @@ static void nicvf_free_q_desc_mem(struct nicvf *nic, struct q_desc_mem *dmem) static inline int nicvf_alloc_rcv_buffer(struct nicvf *nic, gfp_t gfp, u32 buf_len, u64 **rbuf) { - int order = (PAGE_SIZE <= 4096) ? PAGE_ALLOC_COSTLY_ORDER : 0; + int order = NICVF_PAGE_ORDER; /* Check if request can be accomodated in previous allocated page */ if (nic->rb_page && @@ -97,22 +108,27 @@ static inline int nicvf_alloc_rcv_buffer(struct nicvf *nic, gfp_t gfp, } nicvf_get_page(nic); - nic->rb_page = NULL; /* Allocate a new page */ + nic->rb_page = alloc_pages(gfp | __GFP_COMP | __GFP_NOWARN, + order); if (!nic->rb_page) { - nic->rb_page = alloc_pages(gfp | __GFP_COMP | __GFP_NOWARN, - order); - if (!nic->rb_page) { - this_cpu_inc(nic->pnicvf->drv_stats-> - rcv_buffer_alloc_failures); - return -ENOMEM; - } - nic->rb_page_offset = 0; + this_cpu_inc(nic->pnicvf->drv_stats->rcv_buffer_alloc_failures); + return -ENOMEM; } - + nic->rb_page_offset = 0; ret: - *rbuf = (u64 *)((u64)page_address(nic->rb_page) + nic->rb_page_offset); + /* HW will ensure data coherency, CPU sync not required */ + *rbuf = (u64 *)((u64)dma_map_page_attrs(&nic->pdev->dev, nic->rb_page, + nic->rb_page_offset, buf_len, + DMA_FROM_DEVICE, + DMA_ATTR_SKIP_CPU_SYNC)); + if (dma_mapping_error(&nic->pdev->dev, (dma_addr_t)*rbuf)) { + if (!nic->rb_page_offset) + __free_pages(nic->rb_page, order); + nic->rb_page = NULL; + return -ENOMEM; + } nic->rb_page_offset += buf_len; return 0; @@ -158,16 +174,21 @@ static int nicvf_init_rbdr(struct nicvf *nic, struct rbdr *rbdr, rbdr->dma_size = buf_size; rbdr->enable = true; rbdr->thresh = RBDR_THRESH; + rbdr->head = 0; + rbdr->tail = 0; nic->rb_page = NULL; for (idx = 0; idx < ring_len; idx++) { err = nicvf_alloc_rcv_buffer(nic, GFP_KERNEL, RCV_FRAG_LEN, &rbuf); - if (err) + if (err) { + /* To free already allocated and mapped ones */ + rbdr->tail = idx - 1; return err; + } desc = GET_RBDR_DESC(rbdr, idx); - desc->buf_addr = virt_to_phys(rbuf) >> NICVF_RCV_BUF_ALIGN; + desc->buf_addr = (u64)rbuf >> NICVF_RCV_BUF_ALIGN; } nicvf_get_page(nic); @@ -179,7 +200,7 @@ static int nicvf_init_rbdr(struct nicvf *nic, struct rbdr *rbdr, static void nicvf_free_rbdr(struct nicvf *nic, struct rbdr *rbdr) { int head, tail; - u64 buf_addr; + u64 buf_addr, phys_addr; struct rbdr_entry_t *desc; if (!rbdr) @@ -192,18 +213,26 @@ static void nicvf_free_rbdr(struct nicvf *nic, struct rbdr *rbdr) head = rbdr->head; tail = rbdr->tail; - /* Free SKBs */ + /* Release page references */ while (head != tail) { desc = GET_RBDR_DESC(rbdr, head); - buf_addr = desc->buf_addr << NICVF_RCV_BUF_ALIGN; - put_page(virt_to_page(phys_to_virt(buf_addr))); + buf_addr = ((u64)desc->buf_addr) << NICVF_RCV_BUF_ALIGN; + phys_addr = nicvf_iova_to_phys(nic, buf_addr); + dma_unmap_page_attrs(&nic->pdev->dev, buf_addr, RCV_FRAG_LEN, + DMA_FROM_DEVICE, DMA_ATTR_SKIP_CPU_SYNC); + if (phys_addr) + put_page(virt_to_page(phys_to_virt(phys_addr))); head++; head &= (rbdr->dmem.q_len - 1); } - /* Free SKB of tail desc */ + /* Release buffer of tail desc */ desc = GET_RBDR_DESC(rbdr, tail); - buf_addr = desc->buf_addr << NICVF_RCV_BUF_ALIGN; - put_page(virt_to_page(phys_to_virt(buf_addr))); + buf_addr = ((u64)desc->buf_addr) << NICVF_RCV_BUF_ALIGN; + phys_addr = nicvf_iova_to_phys(nic, buf_addr); + dma_unmap_page_attrs(&nic->pdev->dev, buf_addr, RCV_FRAG_LEN, + DMA_FROM_DEVICE, DMA_ATTR_SKIP_CPU_SYNC); + if (phys_addr) + put_page(virt_to_page(phys_to_virt(phys_addr))); /* Free RBDR ring */ nicvf_free_q_desc_mem(nic, &rbdr->dmem); @@ -250,7 +279,7 @@ refill: break; desc = GET_RBDR_DESC(rbdr, tail); - desc->buf_addr = virt_to_phys(rbuf) >> NICVF_RCV_BUF_ALIGN; + desc->buf_addr = (u64)rbuf >> NICVF_RCV_BUF_ALIGN; refill_rb_cnt--; new_rb++; } @@ -361,9 +390,29 @@ static int nicvf_init_snd_queue(struct nicvf *nic, return 0; } +void nicvf_unmap_sndq_buffers(struct nicvf *nic, struct snd_queue *sq, + int hdr_sqe, u8 subdesc_cnt) +{ + u8 idx; + struct sq_gather_subdesc *gather; + + /* Unmap DMA mapped skb data buffers */ + for (idx = 0; idx < subdesc_cnt; idx++) { + hdr_sqe++; + hdr_sqe &= (sq->dmem.q_len - 1); + gather = (struct sq_gather_subdesc *)GET_SQ_DESC(sq, hdr_sqe); + /* HW will ensure data coherency, CPU sync not required */ + dma_unmap_page_attrs(&nic->pdev->dev, gather->addr, + gather->size, DMA_TO_DEVICE, + DMA_ATTR_SKIP_CPU_SYNC); + } +} + static void nicvf_free_snd_queue(struct nicvf *nic, struct snd_queue *sq) { struct sk_buff *skb; + struct sq_hdr_subdesc *hdr; + struct sq_hdr_subdesc *tso_sqe; if (!sq) return; @@ -379,8 +428,22 @@ static void nicvf_free_snd_queue(struct nicvf *nic, struct snd_queue *sq) smp_rmb(); while (sq->head != sq->tail) { skb = (struct sk_buff *)sq->skbuff[sq->head]; - if (skb) - dev_kfree_skb_any(skb); + if (!skb) + goto next; + hdr = (struct sq_hdr_subdesc *)GET_SQ_DESC(sq, sq->head); + /* Check for dummy descriptor used for HW TSO offload on 88xx */ + if (hdr->dont_send) { + /* Get actual TSO descriptors and unmap them */ + tso_sqe = + (struct sq_hdr_subdesc *)GET_SQ_DESC(sq, hdr->rsvd2); + nicvf_unmap_sndq_buffers(nic, sq, hdr->rsvd2, + tso_sqe->subdesc_cnt); + } else { + nicvf_unmap_sndq_buffers(nic, sq, sq->head, + hdr->subdesc_cnt); + } + dev_kfree_skb_any(skb); +next: sq->head++; sq->head &= (sq->dmem.q_len - 1); } @@ -559,9 +622,11 @@ static void nicvf_rcv_queue_config(struct nicvf *nic, struct queue_set *qs, nicvf_send_msg_to_pf(nic, &mbx); if (!nic->sqs_mode && (qidx == 0)) { - /* Enable checking L3/L4 length and TCP/UDP checksums */ + /* Enable checking L3/L4 length and TCP/UDP checksums + * Also allow IPv6 pkts with zero UDP checksum. + */ nicvf_queue_reg_write(nic, NIC_QSET_RQ_GEN_CFG, 0, - (BIT(24) | BIT(23) | BIT(21))); + (BIT(24) | BIT(23) | BIT(21) | BIT(20))); nicvf_config_vlan_stripping(nic, nic->netdev->features); } @@ -882,6 +947,14 @@ static inline int nicvf_get_sq_desc(struct snd_queue *sq, int desc_cnt) return qentry; } +/* Rollback to previous tail pointer when descriptors not used */ +static inline void nicvf_rollback_sq_desc(struct snd_queue *sq, + int qentry, int desc_cnt) +{ + sq->tail = qentry; + atomic_add(desc_cnt, &sq->free_cnt); +} + /* Free descriptor back to SQ for future use */ void nicvf_put_sq_desc(struct snd_queue *sq, int desc_cnt) { @@ -1207,8 +1280,9 @@ int nicvf_sq_append_skb(struct nicvf *nic, struct snd_queue *sq, struct sk_buff *skb, u8 sq_num) { int i, size; - int subdesc_cnt, tso_sqe = 0; + int subdesc_cnt, hdr_sqe = 0; int qentry; + u64 dma_addr; subdesc_cnt = nicvf_sq_subdesc_required(nic, skb); if (subdesc_cnt > atomic_read(&sq->free_cnt)) @@ -1223,12 +1297,21 @@ int nicvf_sq_append_skb(struct nicvf *nic, struct snd_queue *sq, /* Add SQ header subdesc */ nicvf_sq_add_hdr_subdesc(nic, sq, qentry, subdesc_cnt - 1, skb, skb->len); - tso_sqe = qentry; + hdr_sqe = qentry; /* Add SQ gather subdescs */ qentry = nicvf_get_nxt_sqentry(sq, qentry); size = skb_is_nonlinear(skb) ? skb_headlen(skb) : skb->len; - nicvf_sq_add_gather_subdesc(sq, qentry, size, virt_to_phys(skb->data)); + /* HW will ensure data coherency, CPU sync not required */ + dma_addr = dma_map_page_attrs(&nic->pdev->dev, virt_to_page(skb->data), + offset_in_page(skb->data), size, + DMA_TO_DEVICE, DMA_ATTR_SKIP_CPU_SYNC); + if (dma_mapping_error(&nic->pdev->dev, dma_addr)) { + nicvf_rollback_sq_desc(sq, qentry, subdesc_cnt); + return 0; + } + + nicvf_sq_add_gather_subdesc(sq, qentry, size, dma_addr); /* Check for scattered buffer */ if (!skb_is_nonlinear(skb)) @@ -1241,15 +1324,26 @@ int nicvf_sq_append_skb(struct nicvf *nic, struct snd_queue *sq, qentry = nicvf_get_nxt_sqentry(sq, qentry); size = skb_frag_size(frag); - nicvf_sq_add_gather_subdesc(sq, qentry, size, - virt_to_phys( - skb_frag_address(frag))); + dma_addr = dma_map_page_attrs(&nic->pdev->dev, + skb_frag_page(frag), + frag->page_offset, size, + DMA_TO_DEVICE, + DMA_ATTR_SKIP_CPU_SYNC); + if (dma_mapping_error(&nic->pdev->dev, dma_addr)) { + /* Free entire chain of mapped buffers + * here 'i' = frags mapped + above mapped skb->data + */ + nicvf_unmap_sndq_buffers(nic, sq, hdr_sqe, i); + nicvf_rollback_sq_desc(sq, qentry, subdesc_cnt); + return 0; + } + nicvf_sq_add_gather_subdesc(sq, qentry, size, dma_addr); } doorbell: if (nic->t88 && skb_shinfo(skb)->gso_size) { qentry = nicvf_get_nxt_sqentry(sq, qentry); - nicvf_sq_add_cqe_subdesc(sq, qentry, tso_sqe, skb); + nicvf_sq_add_cqe_subdesc(sq, qentry, hdr_sqe, skb); } nicvf_sq_doorbell(nic, skb, sq_num, subdesc_cnt); @@ -1282,6 +1376,7 @@ struct sk_buff *nicvf_get_rcv_skb(struct nicvf *nic, struct cqe_rx_t *cqe_rx) int offset; u16 *rb_lens = NULL; u64 *rb_ptrs = NULL; + u64 phys_addr; rb_lens = (void *)cqe_rx + (3 * sizeof(u64)); /* Except 88xx pass1 on all other chips CQE_RX2_S is added to @@ -1296,15 +1391,23 @@ struct sk_buff *nicvf_get_rcv_skb(struct nicvf *nic, struct cqe_rx_t *cqe_rx) else rb_ptrs = (void *)cqe_rx + (7 * sizeof(u64)); - netdev_dbg(nic->netdev, "%s rb_cnt %d rb0_ptr %llx rb0_sz %d\n", - __func__, cqe_rx->rb_cnt, cqe_rx->rb0_ptr, cqe_rx->rb0_sz); - for (frag = 0; frag < cqe_rx->rb_cnt; frag++) { payload_len = rb_lens[frag_num(frag)]; + phys_addr = nicvf_iova_to_phys(nic, *rb_ptrs); + if (!phys_addr) { + if (skb) + dev_kfree_skb_any(skb); + return NULL; + } + if (!frag) { /* First fragment */ + dma_unmap_page_attrs(&nic->pdev->dev, + *rb_ptrs - cqe_rx->align_pad, + RCV_FRAG_LEN, DMA_FROM_DEVICE, + DMA_ATTR_SKIP_CPU_SYNC); skb = nicvf_rb_ptr_to_skb(nic, - *rb_ptrs - cqe_rx->align_pad, + phys_addr - cqe_rx->align_pad, payload_len); if (!skb) return NULL; @@ -1312,8 +1415,11 @@ struct sk_buff *nicvf_get_rcv_skb(struct nicvf *nic, struct cqe_rx_t *cqe_rx) skb_put(skb, payload_len); } else { /* Add fragments */ - page = virt_to_page(phys_to_virt(*rb_ptrs)); - offset = phys_to_virt(*rb_ptrs) - page_address(page); + dma_unmap_page_attrs(&nic->pdev->dev, *rb_ptrs, + RCV_FRAG_LEN, DMA_FROM_DEVICE, + DMA_ATTR_SKIP_CPU_SYNC); + page = virt_to_page(phys_to_virt(phys_addr)); + offset = phys_to_virt(phys_addr) - page_address(page); skb_add_rx_frag(skb, skb_shinfo(skb)->nr_frags, page, offset, payload_len, RCV_FRAG_LEN); } diff --git a/drivers/net/ethernet/cavium/thunder/nicvf_queues.h b/drivers/net/ethernet/cavium/thunder/nicvf_queues.h index 5cb84da..10cb4b8 100644 --- a/drivers/net/ethernet/cavium/thunder/nicvf_queues.h +++ b/drivers/net/ethernet/cavium/thunder/nicvf_queues.h @@ -87,7 +87,7 @@ #define RCV_BUF_COUNT (1ULL << (RBDR_SIZE + 13)) #define MAX_RCV_BUF_COUNT (1ULL << (RBDR_SIZE6 + 13)) #define RBDR_THRESH (RCV_BUF_COUNT / 2) -#define DMA_BUFFER_LEN 2048 /* In multiples of 128bytes */ +#define DMA_BUFFER_LEN 1536 /* In multiples of 128bytes */ #define RCV_FRAG_LEN (SKB_DATA_ALIGN(DMA_BUFFER_LEN + NET_SKB_PAD) + \ SKB_DATA_ALIGN(sizeof(struct skb_shared_info))) @@ -301,6 +301,8 @@ struct queue_set { #define CQ_ERR_MASK (CQ_WR_FULL | CQ_WR_DISABLE | CQ_WR_FAULT) +void nicvf_unmap_sndq_buffers(struct nicvf *nic, struct snd_queue *sq, + int hdr_sqe, u8 subdesc_cnt); void nicvf_config_vlan_stripping(struct nicvf *nic, netdev_features_t features); int nicvf_set_qset_resources(struct nicvf *nic); diff --git a/drivers/net/ethernet/cavium/thunder/thunder_bgx.c b/drivers/net/ethernet/cavium/thunder/thunder_bgx.c index 4c8e8cf..64a1095 100644 --- a/drivers/net/ethernet/cavium/thunder/thunder_bgx.c +++ b/drivers/net/ethernet/cavium/thunder/thunder_bgx.c @@ -123,14 +123,44 @@ static int bgx_poll_reg(struct bgx *bgx, u8 lmac, u64 reg, u64 mask, bool zero) return 1; } +static int max_bgx_per_node; +static void set_max_bgx_per_node(struct pci_dev *pdev) +{ + u16 sdevid; + + if (max_bgx_per_node) + return; + + pci_read_config_word(pdev, PCI_SUBSYSTEM_ID, &sdevid); + switch (sdevid) { + case PCI_SUBSYS_DEVID_81XX_BGX: + max_bgx_per_node = MAX_BGX_PER_CN81XX; + break; + case PCI_SUBSYS_DEVID_83XX_BGX: + max_bgx_per_node = MAX_BGX_PER_CN83XX; + break; + case PCI_SUBSYS_DEVID_88XX_BGX: + default: + max_bgx_per_node = MAX_BGX_PER_CN88XX; + break; + } +} + +static struct bgx *get_bgx(int node, int bgx_idx) +{ + int idx = (node * max_bgx_per_node) + bgx_idx; + + return bgx_vnic[idx]; +} + /* Return number of BGX present in HW */ unsigned bgx_get_map(int node) { int i; unsigned map = 0; - for (i = 0; i < MAX_BGX_PER_NODE; i++) { - if (bgx_vnic[(node * MAX_BGX_PER_NODE) + i]) + for (i = 0; i < max_bgx_per_node; i++) { + if (bgx_vnic[(node * max_bgx_per_node) + i]) map |= (1 << i); } @@ -143,7 +173,7 @@ int bgx_get_lmac_count(int node, int bgx_idx) { struct bgx *bgx; - bgx = bgx_vnic[(node * MAX_BGX_PER_NODE) + bgx_idx]; + bgx = get_bgx(node, bgx_idx); if (bgx) return bgx->lmac_count; @@ -158,7 +188,7 @@ void bgx_get_lmac_link_state(int node, int bgx_idx, int lmacid, void *status) struct bgx *bgx; struct lmac *lmac; - bgx = bgx_vnic[(node * MAX_BGX_PER_NODE) + bgx_idx]; + bgx = get_bgx(node, bgx_idx); if (!bgx) return; @@ -172,7 +202,7 @@ EXPORT_SYMBOL(bgx_get_lmac_link_state); const u8 *bgx_get_lmac_mac(int node, int bgx_idx, int lmacid) { - struct bgx *bgx = bgx_vnic[(node * MAX_BGX_PER_NODE) + bgx_idx]; + struct bgx *bgx = get_bgx(node, bgx_idx); if (bgx) return bgx->lmac[lmacid].mac; @@ -183,7 +213,7 @@ EXPORT_SYMBOL(bgx_get_lmac_mac); void bgx_set_lmac_mac(int node, int bgx_idx, int lmacid, const u8 *mac) { - struct bgx *bgx = bgx_vnic[(node * MAX_BGX_PER_NODE) + bgx_idx]; + struct bgx *bgx = get_bgx(node, bgx_idx); if (!bgx) return; @@ -194,7 +224,7 @@ EXPORT_SYMBOL(bgx_set_lmac_mac); void bgx_lmac_rx_tx_enable(int node, int bgx_idx, int lmacid, bool enable) { - struct bgx *bgx = bgx_vnic[(node * MAX_BGX_PER_NODE) + bgx_idx]; + struct bgx *bgx = get_bgx(node, bgx_idx); struct lmac *lmac; u64 cfg; @@ -217,7 +247,7 @@ EXPORT_SYMBOL(bgx_lmac_rx_tx_enable); void bgx_lmac_get_pfc(int node, int bgx_idx, int lmacid, void *pause) { struct pfc *pfc = (struct pfc *)pause; - struct bgx *bgx = bgx_vnic[(node * MAX_BGX_PER_CN88XX) + bgx_idx]; + struct bgx *bgx = get_bgx(node, bgx_idx); struct lmac *lmac; u64 cfg; @@ -237,7 +267,7 @@ EXPORT_SYMBOL(bgx_lmac_get_pfc); void bgx_lmac_set_pfc(int node, int bgx_idx, int lmacid, void *pause) { struct pfc *pfc = (struct pfc *)pause; - struct bgx *bgx = bgx_vnic[(node * MAX_BGX_PER_CN88XX) + bgx_idx]; + struct bgx *bgx = get_bgx(node, bgx_idx); struct lmac *lmac; u64 cfg; @@ -369,7 +399,7 @@ u64 bgx_get_rx_stats(int node, int bgx_idx, int lmac, int idx) { struct bgx *bgx; - bgx = bgx_vnic[(node * MAX_BGX_PER_NODE) + bgx_idx]; + bgx = get_bgx(node, bgx_idx); if (!bgx) return 0; @@ -383,7 +413,7 @@ u64 bgx_get_tx_stats(int node, int bgx_idx, int lmac, int idx) { struct bgx *bgx; - bgx = bgx_vnic[(node * MAX_BGX_PER_NODE) + bgx_idx]; + bgx = get_bgx(node, bgx_idx); if (!bgx) return 0; @@ -411,7 +441,7 @@ void bgx_lmac_internal_loopback(int node, int bgx_idx, struct lmac *lmac; u64 cfg; - bgx = bgx_vnic[(node * MAX_BGX_PER_NODE) + bgx_idx]; + bgx = get_bgx(node, bgx_idx); if (!bgx) return; @@ -1011,12 +1041,6 @@ static void bgx_print_qlm_mode(struct bgx *bgx, u8 lmacid) dev_info(dev, "%s: 40G_KR4\n", (char *)str); break; case BGX_MODE_QSGMII: - if ((lmacid == 0) && - (bgx_get_lane2sds_cfg(bgx, lmac) != lmacid)) - return; - if ((lmacid == 2) && - (bgx_get_lane2sds_cfg(bgx, lmac) == lmacid)) - return; dev_info(dev, "%s: QSGMII\n", (char *)str); break; case BGX_MODE_RGMII: @@ -1334,11 +1358,13 @@ static int bgx_probe(struct pci_dev *pdev, const struct pci_device_id *ent) goto err_release_regions; } + set_max_bgx_per_node(pdev); + pci_read_config_word(pdev, PCI_DEVICE_ID, &sdevid); if (sdevid != PCI_DEVICE_ID_THUNDER_RGX) { bgx->bgx_id = (pci_resource_start(pdev, PCI_CFG_REG_BAR_NUM) >> 24) & BGX_ID_MASK; - bgx->bgx_id += nic_get_node_id(pdev) * MAX_BGX_PER_NODE; + bgx->bgx_id += nic_get_node_id(pdev) * max_bgx_per_node; bgx->max_lmac = MAX_LMAC_PER_BGX; bgx_vnic[bgx->bgx_id] = bgx; } else { diff --git a/drivers/net/ethernet/cavium/thunder/thunder_bgx.h b/drivers/net/ethernet/cavium/thunder/thunder_bgx.h index a60f189..c5080f2c 100644 --- a/drivers/net/ethernet/cavium/thunder/thunder_bgx.h +++ b/drivers/net/ethernet/cavium/thunder/thunder_bgx.h @@ -22,7 +22,6 @@ #define MAX_BGX_PER_CN88XX 2 #define MAX_BGX_PER_CN81XX 3 /* 2 BGXs + 1 RGX */ #define MAX_BGX_PER_CN83XX 4 -#define MAX_BGX_PER_NODE 4 #define MAX_LMAC_PER_BGX 4 #define MAX_BGX_CHANS_PER_LMAC 16 #define MAX_DMAC_PER_LMAC 8 diff --git a/drivers/net/ethernet/emulex/benet/be_cmds.c b/drivers/net/ethernet/emulex/benet/be_cmds.c index 30e8550..02dd524 100644 --- a/drivers/net/ethernet/emulex/benet/be_cmds.c +++ b/drivers/net/ethernet/emulex/benet/be_cmds.c @@ -4939,8 +4939,9 @@ static int __be_cmd_set_logical_link_config(struct be_adapter *adapter, int link_state, int version, u8 domain) { - struct be_mcc_wrb *wrb; struct be_cmd_req_set_ll_link *req; + struct be_mcc_wrb *wrb; + u32 link_config = 0; int status; mutex_lock(&adapter->mcc_lock); @@ -4962,10 +4963,12 @@ __be_cmd_set_logical_link_config(struct be_adapter *adapter, if (link_state == IFLA_VF_LINK_STATE_ENABLE || link_state == IFLA_VF_LINK_STATE_AUTO) - req->link_config |= PLINK_ENABLE; + link_config |= PLINK_ENABLE; if (link_state == IFLA_VF_LINK_STATE_AUTO) - req->link_config |= PLINK_TRACK; + link_config |= PLINK_TRACK; + + req->link_config = cpu_to_le32(link_config); status = be_mcc_notify_wait(adapter); err: diff --git a/drivers/net/ethernet/ezchip/nps_enet.c b/drivers/net/ethernet/ezchip/nps_enet.c index 992ebe9..f819843 100644 --- a/drivers/net/ethernet/ezchip/nps_enet.c +++ b/drivers/net/ethernet/ezchip/nps_enet.c @@ -189,11 +189,9 @@ static int nps_enet_poll(struct napi_struct *napi, int budget) nps_enet_tx_handler(ndev); work_done = nps_enet_rx_handler(ndev); - if (work_done < budget) { + if ((work_done < budget) && napi_complete_done(napi, work_done)) { u32 buf_int_enable_value = 0; - napi_complete_done(napi, work_done); - /* set tx_done and rx_rdy bits */ buf_int_enable_value |= NPS_ENET_ENABLE << RX_RDY_SHIFT; buf_int_enable_value |= NPS_ENET_ENABLE << TX_DONE_SHIFT; diff --git a/drivers/net/ethernet/faraday/ftgmac100.c b/drivers/net/ethernet/faraday/ftgmac100.c index 928b0df..ade6b3e 100644 --- a/drivers/net/ethernet/faraday/ftgmac100.c +++ b/drivers/net/ethernet/faraday/ftgmac100.c @@ -28,8 +28,10 @@ #include <linux/io.h> #include <linux/module.h> #include <linux/netdevice.h> +#include <linux/of.h> #include <linux/phy.h> #include <linux/platform_device.h> +#include <linux/property.h> #include <net/ip.h> #include <net/ncsi.h> diff --git a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c index 3239d27..bdd8cdd 100644 --- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c +++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_mac.c @@ -82,9 +82,12 @@ void hns_mac_get_link_status(struct hns_mac_cb *mac_cb, u32 *link_status) else *link_status = 0; - ret = mac_cb->dsaf_dev->misc_op->get_sfp_prsnt(mac_cb, &sfp_prsnt); - if (!ret) - *link_status = *link_status && sfp_prsnt; + if (mac_cb->media_type == HNAE_MEDIA_TYPE_FIBER) { + ret = mac_cb->dsaf_dev->misc_op->get_sfp_prsnt(mac_cb, + &sfp_prsnt); + if (!ret) + *link_status = *link_status && sfp_prsnt; + } mac_cb->link = *link_status; } @@ -855,7 +858,7 @@ static int hns_mac_get_info(struct hns_mac_cb *mac_cb) of_node_put(np); np = of_parse_phandle(to_of_node(mac_cb->fw_port), - "serdes-syscon", 0); + "serdes-syscon", 0); syscon = syscon_node_to_regmap(np); of_node_put(np); if (IS_ERR_OR_NULL(syscon)) { diff --git a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.c b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.c index 90dbda7..403ea9d 100644 --- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.c +++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_main.c @@ -1519,6 +1519,7 @@ static void hns_dsaf_set_mac_key( mac_key->high.bits.mac_3 = addr[3]; mac_key->low.bits.mac_4 = addr[4]; mac_key->low.bits.mac_5 = addr[5]; + mac_key->low.bits.port_vlan = 0; dsaf_set_field(mac_key->low.bits.port_vlan, DSAF_TBL_TCAM_KEY_VLAN_M, DSAF_TBL_TCAM_KEY_VLAN_S, vlan_id); dsaf_set_field(mac_key->low.bits.port_vlan, DSAF_TBL_TCAM_KEY_PORT_M, @@ -2924,10 +2925,11 @@ void hns_dsaf_set_promisc_tcam(struct dsaf_device *dsaf_dev, /* find the tcam entry index for promisc */ entry_index = dsaf_promisc_tcam_entry(port); + memset(&tbl_tcam_data, 0, sizeof(tbl_tcam_data)); + memset(&tbl_tcam_mask, 0, sizeof(tbl_tcam_mask)); + /* config key mask */ if (enable) { - memset(&tbl_tcam_data, 0, sizeof(tbl_tcam_data)); - memset(&tbl_tcam_mask, 0, sizeof(tbl_tcam_mask)); dsaf_set_field(tbl_tcam_data.low.bits.port_vlan, DSAF_TBL_TCAM_KEY_PORT_M, DSAF_TBL_TCAM_KEY_PORT_S, port); diff --git a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_misc.c b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_misc.c index a2c22d0..e13aa06 100644 --- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_misc.c +++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_misc.c @@ -461,6 +461,32 @@ int hns_mac_get_sfp_prsnt(struct hns_mac_cb *mac_cb, int *sfp_prsnt) return 0; } +int hns_mac_get_sfp_prsnt_acpi(struct hns_mac_cb *mac_cb, int *sfp_prsnt) +{ + union acpi_object *obj; + union acpi_object obj_args, argv4; + + obj_args.integer.type = ACPI_TYPE_INTEGER; + obj_args.integer.value = mac_cb->mac_id; + + argv4.type = ACPI_TYPE_PACKAGE, + argv4.package.count = 1, + argv4.package.elements = &obj_args, + + obj = acpi_evaluate_dsm(ACPI_HANDLE(mac_cb->dev), + hns_dsaf_acpi_dsm_uuid, 0, + HNS_OP_GET_SFP_STAT_FUNC, &argv4); + + if (!obj || obj->type != ACPI_TYPE_INTEGER) + return -ENODEV; + + *sfp_prsnt = obj->integer.value; + + ACPI_FREE(obj); + + return 0; +} + /** * hns_mac_config_sds_loopback - set loop back for serdes * @mac_cb: mac control block @@ -592,7 +618,7 @@ struct dsaf_misc_op *hns_misc_op_get(struct dsaf_device *dsaf_dev) misc_op->hns_dsaf_roce_srst = hns_dsaf_roce_srst_acpi; misc_op->get_phy_if = hns_mac_get_phy_if_acpi; - misc_op->get_sfp_prsnt = hns_mac_get_sfp_prsnt; + misc_op->get_sfp_prsnt = hns_mac_get_sfp_prsnt_acpi; misc_op->cfg_serdes_loopback = hns_mac_config_sds_loopback_acpi; } else { diff --git a/drivers/net/ethernet/ibm/emac/core.c b/drivers/net/ethernet/ibm/emac/core.c index 275c2e2..c44036d 100644 --- a/drivers/net/ethernet/ibm/emac/core.c +++ b/drivers/net/ethernet/ibm/emac/core.c @@ -2589,8 +2589,6 @@ static int emac_dt_mdio_probe(struct emac_instance *dev) static int emac_dt_phy_connect(struct emac_instance *dev, struct device_node *phy_handle) { - int res; - dev->phy.def = devm_kzalloc(&dev->ofdev->dev, sizeof(*dev->phy.def), GFP_KERNEL); if (!dev->phy.def) @@ -2617,7 +2615,7 @@ static int emac_dt_phy_probe(struct emac_instance *dev) { struct device_node *np = dev->ofdev->dev.of_node; struct device_node *phy_handle; - int res = 0; + int res = 1; phy_handle = of_parse_phandle(np, "phy-handle", 0); @@ -2714,13 +2712,24 @@ static int emac_init_phy(struct emac_instance *dev) if (emac_has_feature(dev, EMAC_FTR_HAS_RGMII)) { int res = emac_dt_phy_probe(dev); - mutex_unlock(&emac_phy_map_lock); - if (!res) + switch (res) { + case 1: + /* No phy-handle property configured. + * Continue with the existing phy probe + * and setup code. + */ + break; + + case 0: + mutex_unlock(&emac_phy_map_lock); goto init_phy; - dev_err(&dev->ofdev->dev, "failed to attach dt phy (%d).\n", - res); - return res; + default: + mutex_unlock(&emac_phy_map_lock); + dev_err(&dev->ofdev->dev, "failed to attach dt phy (%d).\n", + res); + return res; + } } if (dev->phy_address != 0xffffffff) diff --git a/drivers/net/ethernet/ibm/ibmvnic.c b/drivers/net/ethernet/ibm/ibmvnic.c index 9198e6b..b23d654 100644 --- a/drivers/net/ethernet/ibm/ibmvnic.c +++ b/drivers/net/ethernet/ibm/ibmvnic.c @@ -404,7 +404,7 @@ static int ibmvnic_open(struct net_device *netdev) send_map_query(adapter); for (i = 0; i < rxadd_subcrqs; i++) { init_rx_pool(adapter, &adapter->rx_pool[i], - IBMVNIC_BUFFS_PER_POOL, i, + adapter->req_rx_add_entries_per_subcrq, i, be64_to_cpu(size_array[i]), 1); if (alloc_rx_pool(adapter, &adapter->rx_pool[i])) { dev_err(dev, "Couldn't alloc rx pool\n"); @@ -419,23 +419,23 @@ static int ibmvnic_open(struct net_device *netdev) for (i = 0; i < tx_subcrqs; i++) { tx_pool = &adapter->tx_pool[i]; tx_pool->tx_buff = - kcalloc(adapter->max_tx_entries_per_subcrq, + kcalloc(adapter->req_tx_entries_per_subcrq, sizeof(struct ibmvnic_tx_buff), GFP_KERNEL); if (!tx_pool->tx_buff) goto tx_pool_alloc_failed; if (alloc_long_term_buff(adapter, &tx_pool->long_term_buff, - adapter->max_tx_entries_per_subcrq * + adapter->req_tx_entries_per_subcrq * adapter->req_mtu)) goto tx_ltb_alloc_failed; tx_pool->free_map = - kcalloc(adapter->max_tx_entries_per_subcrq, + kcalloc(adapter->req_tx_entries_per_subcrq, sizeof(int), GFP_KERNEL); if (!tx_pool->free_map) goto tx_fm_alloc_failed; - for (j = 0; j < adapter->max_tx_entries_per_subcrq; j++) + for (j = 0; j < adapter->req_tx_entries_per_subcrq; j++) tx_pool->free_map[j] = j; tx_pool->consumer_index = 0; @@ -705,6 +705,7 @@ static int ibmvnic_xmit(struct sk_buff *skb, struct net_device *netdev) u8 *hdrs = (u8 *)&adapter->tx_rx_desc_req; struct device *dev = &adapter->vdev->dev; struct ibmvnic_tx_buff *tx_buff = NULL; + struct ibmvnic_sub_crq_queue *tx_scrq; struct ibmvnic_tx_pool *tx_pool; unsigned int tx_send_failed = 0; unsigned int tx_map_failed = 0; @@ -724,6 +725,7 @@ static int ibmvnic_xmit(struct sk_buff *skb, struct net_device *netdev) int ret = 0; tx_pool = &adapter->tx_pool[queue_num]; + tx_scrq = adapter->tx_scrq[queue_num]; txq = netdev_get_tx_queue(netdev, skb_get_queue_mapping(skb)); handle_array = (u64 *)((u8 *)(adapter->login_rsp_buf) + be32_to_cpu(adapter->login_rsp_buf-> @@ -744,7 +746,7 @@ static int ibmvnic_xmit(struct sk_buff *skb, struct net_device *netdev) tx_pool->consumer_index = (tx_pool->consumer_index + 1) % - adapter->max_tx_entries_per_subcrq; + adapter->req_tx_entries_per_subcrq; tx_buff = &tx_pool->tx_buff[index]; tx_buff->skb = skb; @@ -817,7 +819,7 @@ static int ibmvnic_xmit(struct sk_buff *skb, struct net_device *netdev) if (tx_pool->consumer_index == 0) tx_pool->consumer_index = - adapter->max_tx_entries_per_subcrq - 1; + adapter->req_tx_entries_per_subcrq - 1; else tx_pool->consumer_index--; @@ -826,6 +828,14 @@ static int ibmvnic_xmit(struct sk_buff *skb, struct net_device *netdev) ret = NETDEV_TX_BUSY; goto out; } + + atomic_inc(&tx_scrq->used); + + if (atomic_read(&tx_scrq->used) >= adapter->req_tx_entries_per_subcrq) { + netdev_info(netdev, "Stopping queue %d\n", queue_num); + netif_stop_subqueue(netdev, queue_num); + } + tx_packets++; tx_bytes += skb->len; txq->trans_start = jiffies; @@ -1213,6 +1223,7 @@ static struct ibmvnic_sub_crq_queue *init_sub_crq_queue(struct ibmvnic_adapter scrq->adapter = adapter; scrq->size = 4 * PAGE_SIZE / sizeof(*scrq->msgs); scrq->cur = 0; + atomic_set(&scrq->used, 0); scrq->rx_skb_top = NULL; spin_lock_init(&scrq->lock); @@ -1246,6 +1257,7 @@ static void release_sub_crqs(struct ibmvnic_adapter *adapter) release_sub_crq_queue(adapter, adapter->tx_scrq[i]); } + kfree(adapter->tx_scrq); adapter->tx_scrq = NULL; } @@ -1258,6 +1270,7 @@ static void release_sub_crqs(struct ibmvnic_adapter *adapter) release_sub_crq_queue(adapter, adapter->rx_scrq[i]); } + kfree(adapter->rx_scrq); adapter->rx_scrq = NULL; } } @@ -1355,14 +1368,28 @@ restart_loop: DMA_TO_DEVICE); } - if (txbuff->last_frag) + if (txbuff->last_frag) { + atomic_dec(&scrq->used); + + if (atomic_read(&scrq->used) <= + (adapter->req_tx_entries_per_subcrq / 2) && + netif_subqueue_stopped(adapter->netdev, + txbuff->skb)) { + netif_wake_subqueue(adapter->netdev, + scrq->pool_index); + netdev_dbg(adapter->netdev, + "Started queue %d\n", + scrq->pool_index); + } + dev_kfree_skb_any(txbuff->skb); + } adapter->tx_pool[pool].free_map[adapter->tx_pool[pool]. producer_index] = index; adapter->tx_pool[pool].producer_index = (adapter->tx_pool[pool].producer_index + 1) % - adapter->max_tx_entries_per_subcrq; + adapter->req_tx_entries_per_subcrq; } /* remove tx_comp scrq*/ next->tx_comp.first = 0; diff --git a/drivers/net/ethernet/ibm/ibmvnic.h b/drivers/net/ethernet/ibm/ibmvnic.h index 422824f..1993b42 100644 --- a/drivers/net/ethernet/ibm/ibmvnic.h +++ b/drivers/net/ethernet/ibm/ibmvnic.h @@ -863,6 +863,7 @@ struct ibmvnic_sub_crq_queue { spinlock_t lock; struct sk_buff *rx_skb_top; struct ibmvnic_adapter *adapter; + atomic_t used; }; struct ibmvnic_long_term_buff { diff --git a/drivers/net/ethernet/intel/e1000e/netdev.c b/drivers/net/ethernet/intel/e1000e/netdev.c index 2175cce..e9af89a 100644 --- a/drivers/net/ethernet/intel/e1000e/netdev.c +++ b/drivers/net/ethernet/intel/e1000e/netdev.c @@ -6274,8 +6274,8 @@ static int e1000e_pm_freeze(struct device *dev) /* Quiesce the device without resetting the hardware */ e1000e_down(adapter, false); e1000_free_irq(adapter); - e1000e_reset_interrupt_capability(adapter); } + e1000e_reset_interrupt_capability(adapter); /* Allow time for pending master requests to run */ e1000e_disable_pcie_master(&adapter->hw); diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c index e8a8351..82a95cc 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_main.c +++ b/drivers/net/ethernet/intel/i40e/i40e_main.c @@ -4438,8 +4438,12 @@ static void i40e_napi_enable_all(struct i40e_vsi *vsi) if (!vsi->netdev) return; - for (q_idx = 0; q_idx < vsi->num_q_vectors; q_idx++) - napi_enable(&vsi->q_vectors[q_idx]->napi); + for (q_idx = 0; q_idx < vsi->num_q_vectors; q_idx++) { + struct i40e_q_vector *q_vector = vsi->q_vectors[q_idx]; + + if (q_vector->rx.ring || q_vector->tx.ring) + napi_enable(&q_vector->napi); + } } /** @@ -4453,8 +4457,12 @@ static void i40e_napi_disable_all(struct i40e_vsi *vsi) if (!vsi->netdev) return; - for (q_idx = 0; q_idx < vsi->num_q_vectors; q_idx++) - napi_disable(&vsi->q_vectors[q_idx]->napi); + for (q_idx = 0; q_idx < vsi->num_q_vectors; q_idx++) { + struct i40e_q_vector *q_vector = vsi->q_vectors[q_idx]; + + if (q_vector->rx.ring || q_vector->tx.ring) + napi_disable(&q_vector->napi); + } } /** diff --git a/drivers/net/ethernet/mellanox/mlx4/cmd.c b/drivers/net/ethernet/mellanox/mlx4/cmd.c index e8c1051..0e0fa70 100644 --- a/drivers/net/ethernet/mellanox/mlx4/cmd.c +++ b/drivers/net/ethernet/mellanox/mlx4/cmd.c @@ -2305,6 +2305,17 @@ static int sync_toggles(struct mlx4_dev *dev) rd_toggle = swab32(readl(&priv->mfunc.comm->slave_read)); if (wr_toggle == 0xffffffff || rd_toggle == 0xffffffff) { /* PCI might be offline */ + + /* If device removal has been requested, + * do not continue retrying. + */ + if (dev->persist->interface_state & + MLX4_INTERFACE_STATE_NOWAIT) { + mlx4_warn(dev, + "communication channel is offline\n"); + return -EIO; + } + msleep(100); wr_toggle = swab32(readl(&priv->mfunc.comm-> slave_write)); diff --git a/drivers/net/ethernet/mellanox/mlx4/main.c b/drivers/net/ethernet/mellanox/mlx4/main.c index 21377c3..7032054 100644 --- a/drivers/net/ethernet/mellanox/mlx4/main.c +++ b/drivers/net/ethernet/mellanox/mlx4/main.c @@ -1940,6 +1940,14 @@ static int mlx4_comm_check_offline(struct mlx4_dev *dev) (u32)(1 << COMM_CHAN_OFFLINE_OFFSET)); if (!offline_bit) return 0; + + /* If device removal has been requested, + * do not continue retrying. + */ + if (dev->persist->interface_state & + MLX4_INTERFACE_STATE_NOWAIT) + break; + /* There are cases as part of AER/Reset flow that PF needs * around 100 msec to load. We therefore sleep for 100 msec * to allow other tasks to make use of that CPU during this @@ -3955,6 +3963,9 @@ static void mlx4_remove_one(struct pci_dev *pdev) struct devlink *devlink = priv_to_devlink(priv); int active_vfs = 0; + if (mlx4_is_slave(dev)) + persist->interface_state |= MLX4_INTERFACE_STATE_NOWAIT; + mutex_lock(&persist->interface_state_mutex); persist->interface_state |= MLX4_INTERFACE_STATE_DELETION; mutex_unlock(&persist->interface_state_mutex); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/Kconfig b/drivers/net/ethernet/mellanox/mlx5/core/Kconfig index ddb4ca4..1171700 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/Kconfig +++ b/drivers/net/ethernet/mellanox/mlx5/core/Kconfig @@ -14,6 +14,7 @@ config MLX5_CORE config MLX5_CORE_EN bool "Mellanox Technologies ConnectX-4 Ethernet support" depends on NETDEVICES && ETHERNET && PCI && MLX5_CORE + depends on IPV6=y || IPV6=n || MLX5_CORE=m imply PTP_1588_CLOCK default n ---help--- diff --git a/drivers/net/ethernet/mellanox/mlx5/core/cmd.c b/drivers/net/ethernet/mellanox/mlx5/core/cmd.c index caa837e..a380353 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/cmd.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/cmd.c @@ -361,6 +361,8 @@ static int mlx5_internal_err_ret_value(struct mlx5_core_dev *dev, u16 op, case MLX5_CMD_OP_QUERY_VPORT_COUNTER: case MLX5_CMD_OP_ALLOC_Q_COUNTER: case MLX5_CMD_OP_QUERY_Q_COUNTER: + case MLX5_CMD_OP_SET_RATE_LIMIT: + case MLX5_CMD_OP_QUERY_RATE_LIMIT: case MLX5_CMD_OP_ALLOC_PD: case MLX5_CMD_OP_ALLOC_UAR: case MLX5_CMD_OP_CONFIG_INT_MODERATION: @@ -497,6 +499,8 @@ const char *mlx5_command_str(int command) MLX5_COMMAND_STR_CASE(ALLOC_Q_COUNTER); MLX5_COMMAND_STR_CASE(DEALLOC_Q_COUNTER); MLX5_COMMAND_STR_CASE(QUERY_Q_COUNTER); + MLX5_COMMAND_STR_CASE(SET_RATE_LIMIT); + MLX5_COMMAND_STR_CASE(QUERY_RATE_LIMIT); MLX5_COMMAND_STR_CASE(ALLOC_PD); MLX5_COMMAND_STR_CASE(DEALLOC_PD); MLX5_COMMAND_STR_CASE(ALLOC_UAR); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en.h b/drivers/net/ethernet/mellanox/mlx5/core/en.h index f6a6ded..dc52053 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/en.h @@ -928,10 +928,6 @@ void mlx5e_destroy_netdev(struct mlx5_core_dev *mdev, struct mlx5e_priv *priv); int mlx5e_attach_netdev(struct mlx5_core_dev *mdev, struct net_device *netdev); void mlx5e_detach_netdev(struct mlx5_core_dev *mdev, struct net_device *netdev); u32 mlx5e_choose_lro_timeout(struct mlx5_core_dev *mdev, u32 wanted_timeout); -void mlx5e_add_vxlan_port(struct net_device *netdev, - struct udp_tunnel_info *ti); -void mlx5e_del_vxlan_port(struct net_device *netdev, - struct udp_tunnel_info *ti); int mlx5e_get_offload_stats(int attr_id, const struct net_device *dev, void *sp); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c b/drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c index 0523ed4..8fa23f6 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_dcbnl.c @@ -302,6 +302,9 @@ static u8 mlx5e_dcbnl_setdcbx(struct net_device *dev, u8 mode) struct mlx5e_priv *priv = netdev_priv(dev); struct mlx5e_dcbx *dcbx = &priv->dcbx; + if (mode & DCB_CAP_DCBX_LLD_MANAGED) + return 1; + if ((!mode) && MLX5_CAP_GEN(priv->mdev, dcbx)) { if (dcbx->mode == MLX5E_DCBX_PARAM_VER_OPER_AUTO) return 0; @@ -315,13 +318,10 @@ static u8 mlx5e_dcbnl_setdcbx(struct net_device *dev, u8 mode) return 1; } - if (mlx5e_dcbnl_switch_to_host_mode(netdev_priv(dev))) + if (!(mode & DCB_CAP_DCBX_HOST)) return 1; - if ((mode & DCB_CAP_DCBX_LLD_MANAGED) || - !(mode & DCB_CAP_DCBX_VER_CEE) || - !(mode & DCB_CAP_DCBX_VER_IEEE) || - !(mode & DCB_CAP_DCBX_HOST)) + if (mlx5e_dcbnl_switch_to_host_mode(netdev_priv(dev))) return 1; return 0; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c index 8ef64c4..66c1337 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_main.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_main.c @@ -3100,8 +3100,8 @@ static int mlx5e_get_vf_stats(struct net_device *dev, vf_stats); } -void mlx5e_add_vxlan_port(struct net_device *netdev, - struct udp_tunnel_info *ti) +static void mlx5e_add_vxlan_port(struct net_device *netdev, + struct udp_tunnel_info *ti) { struct mlx5e_priv *priv = netdev_priv(netdev); @@ -3114,8 +3114,8 @@ void mlx5e_add_vxlan_port(struct net_device *netdev, mlx5e_vxlan_queue_work(priv, ti->sa_family, be16_to_cpu(ti->port), 1); } -void mlx5e_del_vxlan_port(struct net_device *netdev, - struct udp_tunnel_info *ti) +static void mlx5e_del_vxlan_port(struct net_device *netdev, + struct udp_tunnel_info *ti) { struct mlx5e_priv *priv = netdev_priv(netdev); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c b/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c index 2c86457..f621373 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rep.c @@ -393,8 +393,6 @@ static const struct net_device_ops mlx5e_netdev_ops_rep = { .ndo_get_phys_port_name = mlx5e_rep_get_phys_port_name, .ndo_setup_tc = mlx5e_rep_ndo_setup_tc, .ndo_get_stats64 = mlx5e_rep_get_stats, - .ndo_udp_tunnel_add = mlx5e_add_vxlan_port, - .ndo_udp_tunnel_del = mlx5e_del_vxlan_port, .ndo_has_offload_stats = mlx5e_has_offload_stats, .ndo_get_offload_stats = mlx5e_get_offload_stats, }; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c index 3d37168..bafcb34 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_rx.c @@ -601,6 +601,10 @@ static inline void mlx5e_build_rx_skb(struct mlx5_cqe64 *cqe, if (lro_num_seg > 1) { mlx5e_lro_update_hdr(skb, cqe, cqe_bcnt); skb_shinfo(skb)->gso_size = DIV_ROUND_UP(cqe_bcnt, lro_num_seg); + /* Subtract one since we already counted this as one + * "regular" packet in mlx5e_complete_rx_cqe() + */ + rq->stats.packets += lro_num_seg - 1; rq->stats.lro_packets++; rq->stats.lro_bytes += cqe_bcnt; } diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_selftest.c b/drivers/net/ethernet/mellanox/mlx5/core/en_selftest.c index 31e3cb7..5621dcf 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_selftest.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_selftest.c @@ -204,9 +204,6 @@ mlx5e_test_loopback_validate(struct sk_buff *skb, struct iphdr *iph; /* We are only going to peek, no need to clone the SKB */ - if (skb->protocol != htons(ETH_P_IP)) - goto out; - if (MLX5E_TEST_PKT_SIZE - ETH_HLEN > skb_headlen(skb)) goto out; @@ -249,7 +246,7 @@ static int mlx5e_test_loopback_setup(struct mlx5e_priv *priv, lbtp->loopback_ok = false; init_completion(&lbtp->comp); - lbtp->pt.type = htons(ETH_P_ALL); + lbtp->pt.type = htons(ETH_P_IP); lbtp->pt.func = mlx5e_test_loopback_validate; lbtp->pt.dev = priv->netdev; lbtp->pt.af_packet_priv = lbtp; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c index 44406a5..fade723 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c @@ -48,9 +48,14 @@ #include "eswitch.h" #include "vxlan.h" +enum { + MLX5E_TC_FLOW_ESWITCH = BIT(0), +}; + struct mlx5e_tc_flow { struct rhash_head node; u64 cookie; + u8 flags; struct mlx5_flow_handle *rule; struct list_head encap; /* flows sharing the same encap */ struct mlx5_esw_flow_attr *attr; @@ -128,6 +133,23 @@ err_create_ft: return rule; } +static void mlx5e_tc_del_nic_flow(struct mlx5e_priv *priv, + struct mlx5e_tc_flow *flow) +{ + struct mlx5_fc *counter = NULL; + + if (!IS_ERR(flow->rule)) { + counter = mlx5_flow_rule_counter(flow->rule); + mlx5_del_flow_rules(flow->rule); + mlx5_fc_destroy(priv->mdev, counter); + } + + if (!mlx5e_tc_num_filters(priv) && (priv->fs.tc.t)) { + mlx5_destroy_flow_table(priv->fs.tc.t); + priv->fs.tc.t = NULL; + } +} + static struct mlx5_flow_handle * mlx5e_tc_add_fdb_flow(struct mlx5e_priv *priv, struct mlx5_flow_spec *spec, @@ -144,7 +166,24 @@ mlx5e_tc_add_fdb_flow(struct mlx5e_priv *priv, } static void mlx5e_detach_encap(struct mlx5e_priv *priv, - struct mlx5e_tc_flow *flow) { + struct mlx5e_tc_flow *flow); + +static void mlx5e_tc_del_fdb_flow(struct mlx5e_priv *priv, + struct mlx5e_tc_flow *flow) +{ + struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; + + mlx5_eswitch_del_offloaded_rule(esw, flow->rule, flow->attr); + + mlx5_eswitch_del_vlan_action(esw, flow->attr); + + if (flow->attr->action & MLX5_FLOW_CONTEXT_ACTION_ENCAP) + mlx5e_detach_encap(priv, flow); +} + +static void mlx5e_detach_encap(struct mlx5e_priv *priv, + struct mlx5e_tc_flow *flow) +{ struct list_head *next = flow->encap.next; list_del(&flow->encap); @@ -168,25 +207,10 @@ static void mlx5e_detach_encap(struct mlx5e_priv *priv, static void mlx5e_tc_del_flow(struct mlx5e_priv *priv, struct mlx5e_tc_flow *flow) { - struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; - struct mlx5_fc *counter = NULL; - - if (!IS_ERR(flow->rule)) { - counter = mlx5_flow_rule_counter(flow->rule); - mlx5_del_flow_rules(flow->rule); - mlx5_fc_destroy(priv->mdev, counter); - } - - if (esw && esw->mode == SRIOV_OFFLOADS) { - mlx5_eswitch_del_vlan_action(esw, flow->attr); - if (flow->attr->action & MLX5_FLOW_CONTEXT_ACTION_ENCAP) - mlx5e_detach_encap(priv, flow); - } - - if (!mlx5e_tc_num_filters(priv) && (priv->fs.tc.t)) { - mlx5_destroy_flow_table(priv->fs.tc.t); - priv->fs.tc.t = NULL; - } + if (flow->flags & MLX5E_TC_FLOW_ESWITCH) + mlx5e_tc_del_fdb_flow(priv, flow); + else + mlx5e_tc_del_nic_flow(priv, flow); } static void parse_vxlan_attr(struct mlx5_flow_spec *spec, @@ -243,12 +267,15 @@ static int parse_tunnel_attr(struct mlx5e_priv *priv, skb_flow_dissector_target(f->dissector, FLOW_DISSECTOR_KEY_ENC_PORTS, f->mask); + struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; + struct net_device *up_dev = mlx5_eswitch_get_uplink_netdev(esw); + struct mlx5e_priv *up_priv = netdev_priv(up_dev); /* Full udp dst port must be given */ if (memchr_inv(&mask->dst, 0xff, sizeof(mask->dst))) goto vxlan_match_offload_err; - if (mlx5e_vxlan_lookup_port(priv, be16_to_cpu(key->dst)) && + if (mlx5e_vxlan_lookup_port(up_priv, be16_to_cpu(key->dst)) && MLX5_CAP_ESW(priv->mdev, vxlan_encap_decap)) parse_vxlan_attr(spec, f); else { @@ -598,6 +625,7 @@ static int __parse_cls_flower(struct mlx5e_priv *priv, } static int parse_cls_flower(struct mlx5e_priv *priv, + struct mlx5e_tc_flow *flow, struct mlx5_flow_spec *spec, struct tc_cls_flower_offload *f) { @@ -609,7 +637,7 @@ static int parse_cls_flower(struct mlx5e_priv *priv, err = __parse_cls_flower(priv, spec, f, &min_inline); - if (!err && esw->mode == SRIOV_OFFLOADS && + if (!err && (flow->flags & MLX5E_TC_FLOW_ESWITCH) && rep->vport != FDB_UPLINK_VPORT) { if (min_inline > esw->offloads.inline_mode) { netdev_warn(priv->netdev, @@ -970,6 +998,8 @@ static int mlx5e_attach_encap(struct mlx5e_priv *priv, struct mlx5_esw_flow_attr *attr) { struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; + struct net_device *up_dev = mlx5_eswitch_get_uplink_netdev(esw); + struct mlx5e_priv *up_priv = netdev_priv(up_dev); unsigned short family = ip_tunnel_info_af(tun_info); struct ip_tunnel_key *key = &tun_info->key; struct mlx5_encap_entry *e; @@ -990,7 +1020,7 @@ vxlan_encap_offload_err: return -EOPNOTSUPP; } - if (mlx5e_vxlan_lookup_port(priv, be16_to_cpu(key->tp_dst)) && + if (mlx5e_vxlan_lookup_port(up_priv, be16_to_cpu(key->tp_dst)) && MLX5_CAP_ESW(priv->mdev, vxlan_encap_decap)) { tunnel_type = MLX5_HEADER_TYPE_VXLAN; } else { @@ -1106,14 +1136,16 @@ static int parse_tc_fdb_actions(struct mlx5e_priv *priv, struct tcf_exts *exts, } if (is_tcf_vlan(a)) { - if (tcf_vlan_action(a) == VLAN_F_POP) { + if (tcf_vlan_action(a) == TCA_VLAN_ACT_POP) { attr->action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_POP; - } else if (tcf_vlan_action(a) == VLAN_F_PUSH) { + } else if (tcf_vlan_action(a) == TCA_VLAN_ACT_PUSH) { if (tcf_vlan_push_proto(a) != htons(ETH_P_8021Q)) return -EOPNOTSUPP; attr->action |= MLX5_FLOW_CONTEXT_ACTION_VLAN_PUSH; attr->vlan = tcf_vlan_push_vid(a); + } else { /* action is TCA_VLAN_ACT_MODIFY */ + return -EOPNOTSUPP; } continue; } @@ -1132,23 +1164,19 @@ int mlx5e_configure_flower(struct mlx5e_priv *priv, __be16 protocol, struct tc_cls_flower_offload *f) { struct mlx5e_tc_table *tc = &priv->fs.tc; - int err = 0; - bool fdb_flow = false; + int err, attr_size = 0; u32 flow_tag, action; struct mlx5e_tc_flow *flow; struct mlx5_flow_spec *spec; struct mlx5_eswitch *esw = priv->mdev->priv.eswitch; + u8 flow_flags = 0; - if (esw && esw->mode == SRIOV_OFFLOADS) - fdb_flow = true; - - if (fdb_flow) - flow = kzalloc(sizeof(*flow) + - sizeof(struct mlx5_esw_flow_attr), - GFP_KERNEL); - else - flow = kzalloc(sizeof(*flow), GFP_KERNEL); + if (esw && esw->mode == SRIOV_OFFLOADS) { + flow_flags = MLX5E_TC_FLOW_ESWITCH; + attr_size = sizeof(struct mlx5_esw_flow_attr); + } + flow = kzalloc(sizeof(*flow) + attr_size, GFP_KERNEL); spec = mlx5_vzalloc(sizeof(*spec)); if (!spec || !flow) { err = -ENOMEM; @@ -1156,12 +1184,13 @@ int mlx5e_configure_flower(struct mlx5e_priv *priv, __be16 protocol, } flow->cookie = f->cookie; + flow->flags = flow_flags; - err = parse_cls_flower(priv, spec, f); + err = parse_cls_flower(priv, flow, spec, f); if (err < 0) goto err_free; - if (fdb_flow) { + if (flow->flags & MLX5E_TC_FLOW_ESWITCH) { flow->attr = (struct mlx5_esw_flow_attr *)(flow + 1); err = parse_tc_fdb_actions(priv, f->exts, flow); if (err < 0) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c index f193128..57f5e2d 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tx.c @@ -274,15 +274,18 @@ static netdev_tx_t mlx5e_sq_xmit(struct mlx5e_sq *sq, struct sk_buff *skb) sq->stats.tso_bytes += skb->len - ihs; } + sq->stats.packets += skb_shinfo(skb)->gso_segs; num_bytes = skb->len + (skb_shinfo(skb)->gso_segs - 1) * ihs; } else { bf = sq->bf_budget && !skb->xmit_more && !skb_shinfo(skb)->nr_frags; ihs = mlx5e_get_inline_hdr_size(sq, skb, bf); + sq->stats.packets++; num_bytes = max_t(unsigned int, skb->len, ETH_ZLEN); } + sq->stats.bytes += num_bytes; wi->num_bytes = num_bytes; ds_cnt = sizeof(*wqe) / MLX5_SEND_WQE_DS; @@ -381,8 +384,6 @@ static netdev_tx_t mlx5e_sq_xmit(struct mlx5e_sq *sq, struct sk_buff *skb) if (bf) sq->bf_budget--; - sq->stats.packets++; - sq->stats.bytes += num_bytes; return NETDEV_TX_OK; dma_unmap_wqe_err: diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h index 5b78883..ad329b16 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.h @@ -209,6 +209,7 @@ struct mlx5_esw_offload { struct mlx5_eswitch_rep *vport_reps; DECLARE_HASHTABLE(encap_tbl, 8); u8 inline_mode; + u64 num_flows; }; struct mlx5_eswitch { @@ -271,6 +272,11 @@ struct mlx5_flow_handle * mlx5_eswitch_add_offloaded_rule(struct mlx5_eswitch *esw, struct mlx5_flow_spec *spec, struct mlx5_esw_flow_attr *attr); +void +mlx5_eswitch_del_offloaded_rule(struct mlx5_eswitch *esw, + struct mlx5_flow_handle *rule, + struct mlx5_esw_flow_attr *attr); + struct mlx5_flow_handle * mlx5_eswitch_create_vport_rx_rule(struct mlx5_eswitch *esw, int vport, u32 tirn); diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c index 4f5b0d4..307ec6c 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c @@ -93,10 +93,27 @@ mlx5_eswitch_add_offloaded_rule(struct mlx5_eswitch *esw, spec, &flow_act, dest, i); if (IS_ERR(rule)) mlx5_fc_destroy(esw->dev, counter); + else + esw->offloads.num_flows++; return rule; } +void +mlx5_eswitch_del_offloaded_rule(struct mlx5_eswitch *esw, + struct mlx5_flow_handle *rule, + struct mlx5_esw_flow_attr *attr) +{ + struct mlx5_fc *counter = NULL; + + if (!IS_ERR(rule)) { + counter = mlx5_flow_rule_counter(rule); + mlx5_del_flow_rules(rule); + mlx5_fc_destroy(esw->dev, counter); + esw->offloads.num_flows--; + } +} + static int esw_set_global_vlan_pop(struct mlx5_eswitch *esw, u8 val) { struct mlx5_eswitch_rep *rep; @@ -908,6 +925,11 @@ int mlx5_devlink_eswitch_inline_mode_set(struct devlink *devlink, u8 mode) MLX5_CAP_INLINE_MODE_VPORT_CONTEXT) return -EOPNOTSUPP; + if (esw->offloads.num_flows > 0) { + esw_warn(dev, "Can't set inline mode when flows are configured\n"); + return -EOPNOTSUPP; + } + err = esw_inline_mode_from_devlink(mode, &mlx5_mode); if (err) goto out; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c index 2478516..ded27bb 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/fs_core.c @@ -1136,7 +1136,7 @@ static struct mlx5_flow_group *create_autogroup(struct mlx5_flow_table *ft, u32 *match_criteria) { int inlen = MLX5_ST_SZ_BYTES(create_flow_group_in); - struct list_head *prev = ft->node.children.prev; + struct list_head *prev = &ft->node.children; unsigned int candidate_index = 0; struct mlx5_flow_group *fg; void *match_criteria_addr; diff --git a/drivers/net/ethernet/mellanox/mlx5/core/lag.c b/drivers/net/ethernet/mellanox/mlx5/core/lag.c index 5595724..b5d5519 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/lag.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/lag.c @@ -294,7 +294,7 @@ static int mlx5_handle_changeupper_event(struct mlx5_lag *ldev, struct netdev_notifier_changeupper_info *info) { struct net_device *upper = info->upper_dev, *ndev_tmp; - struct netdev_lag_upper_info *lag_upper_info; + struct netdev_lag_upper_info *lag_upper_info = NULL; bool is_bonded; int bond_status = 0; int num_slaves = 0; @@ -303,7 +303,8 @@ static int mlx5_handle_changeupper_event(struct mlx5_lag *ldev, if (!netif_is_lag_master(upper)) return 0; - lag_upper_info = info->upper_info; + if (info->linking) + lag_upper_info = info->upper_info; /* The event may still be of interest if the slave does not belong to * us, but is enslaved to a master which has one or more of our netdevs diff --git a/drivers/net/ethernet/mellanox/mlx5/core/main.c b/drivers/net/ethernet/mellanox/mlx5/core/main.c index c4242a4..60154a17 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/main.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/main.c @@ -87,7 +87,7 @@ static struct mlx5_profile profile[] = { [2] = { .mask = MLX5_PROF_MASK_QP_SIZE | MLX5_PROF_MASK_MR_CACHE, - .log_max_qp = 17, + .log_max_qp = 18, .mr_cache[0] = { .size = 500, .limit = 250 @@ -1352,6 +1352,7 @@ static int init_one(struct pci_dev *pdev, if (err) goto clean_load; + pci_save_state(pdev); return 0; clean_load: @@ -1407,9 +1408,8 @@ static pci_ers_result_t mlx5_pci_err_detected(struct pci_dev *pdev, mlx5_enter_error_state(dev); mlx5_unload_one(dev, priv, false); - /* In case of kernel call save the pci state and drain the health wq */ + /* In case of kernel call drain the health wq */ if (state) { - pci_save_state(pdev); mlx5_drain_health_wq(dev); mlx5_pci_disable_device(dev); } @@ -1461,6 +1461,7 @@ static pci_ers_result_t mlx5_pci_slot_reset(struct pci_dev *pdev) pci_set_master(pdev); pci_restore_state(pdev); + pci_save_state(pdev); if (wait_vital(pdev)) { dev_err(&pdev->dev, "%s: wait_vital timed out\n", __func__); diff --git a/drivers/net/ethernet/mellanox/mlxsw/reg.h b/drivers/net/ethernet/mellanox/mlxsw/reg.h index 0899e2d..d9616da 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/reg.h +++ b/drivers/net/ethernet/mellanox/mlxsw/reg.h @@ -769,7 +769,7 @@ static inline void mlxsw_reg_spvid_pack(char *payload, u8 local_port, u16 pvid) #define MLXSW_REG_SPVM_ID 0x200F #define MLXSW_REG_SPVM_BASE_LEN 0x04 /* base length, without records */ #define MLXSW_REG_SPVM_REC_LEN 0x04 /* record length */ -#define MLXSW_REG_SPVM_REC_MAX_COUNT 256 +#define MLXSW_REG_SPVM_REC_MAX_COUNT 255 #define MLXSW_REG_SPVM_LEN (MLXSW_REG_SPVM_BASE_LEN + \ MLXSW_REG_SPVM_REC_LEN * MLXSW_REG_SPVM_REC_MAX_COUNT) @@ -1702,7 +1702,7 @@ static inline void mlxsw_reg_sfmr_pack(char *payload, #define MLXSW_REG_SPVMLR_ID 0x2020 #define MLXSW_REG_SPVMLR_BASE_LEN 0x04 /* base length, without records */ #define MLXSW_REG_SPVMLR_REC_LEN 0x04 /* record length */ -#define MLXSW_REG_SPVMLR_REC_MAX_COUNT 256 +#define MLXSW_REG_SPVMLR_REC_MAX_COUNT 255 #define MLXSW_REG_SPVMLR_LEN (MLXSW_REG_SPVMLR_BASE_LEN + \ MLXSW_REG_SPVMLR_REC_LEN * \ MLXSW_REG_SPVMLR_REC_MAX_COUNT) diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_flower.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_flower.c index 22ab429..ae6cccc 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_flower.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_flower.c @@ -303,11 +303,11 @@ void mlxsw_sp_flower_destroy(struct mlxsw_sp_port *mlxsw_sp_port, bool ingress, ruleset = mlxsw_sp_acl_ruleset_get(mlxsw_sp, mlxsw_sp_port->dev, ingress, MLXSW_SP_ACL_PROFILE_FLOWER); - if (WARN_ON(IS_ERR(ruleset))) + if (IS_ERR(ruleset)) return; rule = mlxsw_sp_acl_rule_lookup(mlxsw_sp, ruleset, f->cookie); - if (!WARN_ON(!rule)) { + if (rule) { mlxsw_sp_acl_rule_del(mlxsw_sp, rule); mlxsw_sp_acl_rule_destroy(mlxsw_sp, rule); } diff --git a/drivers/net/ethernet/moxa/moxart_ether.c b/drivers/net/ethernet/moxa/moxart_ether.c index 06c9f41..6ad44be 100644 --- a/drivers/net/ethernet/moxa/moxart_ether.c +++ b/drivers/net/ethernet/moxa/moxart_ether.c @@ -25,6 +25,7 @@ #include <linux/of_irq.h> #include <linux/crc32.h> #include <linux/crc32c.h> +#include <linux/circ_buf.h> #include "moxart_ether.h" @@ -278,6 +279,13 @@ rx_next: return rx; } +static int moxart_tx_queue_space(struct net_device *ndev) +{ + struct moxart_mac_priv_t *priv = netdev_priv(ndev); + + return CIRC_SPACE(priv->tx_head, priv->tx_tail, TX_DESC_NUM); +} + static void moxart_tx_finished(struct net_device *ndev) { struct moxart_mac_priv_t *priv = netdev_priv(ndev); @@ -297,6 +305,9 @@ static void moxart_tx_finished(struct net_device *ndev) tx_tail = TX_NEXT(tx_tail); } priv->tx_tail = tx_tail; + if (netif_queue_stopped(ndev) && + moxart_tx_queue_space(ndev) >= TX_WAKE_THRESHOLD) + netif_wake_queue(ndev); } static irqreturn_t moxart_mac_interrupt(int irq, void *dev_id) @@ -324,13 +335,18 @@ static int moxart_mac_start_xmit(struct sk_buff *skb, struct net_device *ndev) struct moxart_mac_priv_t *priv = netdev_priv(ndev); void *desc; unsigned int len; - unsigned int tx_head = priv->tx_head; + unsigned int tx_head; u32 txdes1; int ret = NETDEV_TX_BUSY; + spin_lock_irq(&priv->txlock); + + tx_head = priv->tx_head; desc = priv->tx_desc_base + (TX_REG_DESC_SIZE * tx_head); - spin_lock_irq(&priv->txlock); + if (moxart_tx_queue_space(ndev) == 1) + netif_stop_queue(ndev); + if (moxart_desc_read(desc + TX_REG_OFFSET_DESC0) & TX_DESC0_DMA_OWN) { net_dbg_ratelimited("no TX space for packet\n"); priv->stats.tx_dropped++; diff --git a/drivers/net/ethernet/moxa/moxart_ether.h b/drivers/net/ethernet/moxa/moxart_ether.h index 93a9563..afc32ec 100644 --- a/drivers/net/ethernet/moxa/moxart_ether.h +++ b/drivers/net/ethernet/moxa/moxart_ether.h @@ -59,6 +59,7 @@ #define TX_NEXT(N) (((N) + 1) & (TX_DESC_NUM_MASK)) #define TX_BUF_SIZE 1600 #define TX_BUF_SIZE_MAX (TX_DESC1_BUF_SIZE_MASK+1) +#define TX_WAKE_THRESHOLD 16 #define RX_DESC_NUM 64 #define RX_DESC_NUM_MASK (RX_DESC_NUM-1) diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c index 9179a99..a41377e 100644 --- a/drivers/net/ethernet/netronome/nfp/nfp_net_common.c +++ b/drivers/net/ethernet/netronome/nfp/nfp_net_common.c @@ -3275,9 +3275,10 @@ void nfp_net_netdev_clean(struct net_device *netdev) { struct nfp_net *nn = netdev_priv(netdev); + unregister_netdev(nn->netdev); + if (nn->xdp_prog) bpf_prog_put(nn->xdp_prog); if (nn->bpf_offload_xdp) nfp_net_xdp_offload(nn, NULL); - unregister_netdev(nn->netdev); } diff --git a/drivers/net/ethernet/qlogic/qed/qed_cxt.c b/drivers/net/ethernet/qlogic/qed/qed_cxt.c index d42d03d..7e3a6fe 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_cxt.c +++ b/drivers/net/ethernet/qlogic/qed/qed_cxt.c @@ -422,8 +422,9 @@ static void qed_cxt_set_proto_cid_count(struct qed_hwfn *p_hwfn, u32 page_sz = p_mgr->clients[ILT_CLI_CDUC].p_size.val; u32 cxt_size = CONN_CXT_SIZE(p_hwfn); u32 elems_per_page = ILT_PAGE_IN_BYTES(page_sz) / cxt_size; + u32 align = elems_per_page * DQ_RANGE_ALIGN; - p_conn->cid_count = roundup(p_conn->cid_count, elems_per_page); + p_conn->cid_count = roundup(p_conn->cid_count, align); } } diff --git a/drivers/net/ethernet/qlogic/qed/qed_dev.c b/drivers/net/ethernet/qlogic/qed/qed_dev.c index e2a081c..e518f91 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_dev.c +++ b/drivers/net/ethernet/qlogic/qed/qed_dev.c @@ -2389,9 +2389,8 @@ qed_chain_alloc_sanity_check(struct qed_dev *cdev, * size/capacity fields are of a u32 type. */ if ((cnt_type == QED_CHAIN_CNT_TYPE_U16 && - chain_size > 0x10000) || - (cnt_type == QED_CHAIN_CNT_TYPE_U32 && - chain_size > 0x100000000ULL)) { + chain_size > ((u32)U16_MAX + 1)) || + (cnt_type == QED_CHAIN_CNT_TYPE_U32 && chain_size > U32_MAX)) { DP_NOTICE(cdev, "The actual chain size (0x%llx) is larger than the maximal possible value\n", chain_size); diff --git a/drivers/net/ethernet/qlogic/qed/qed_iscsi.c b/drivers/net/ethernet/qlogic/qed/qed_iscsi.c index 3a44d6b..098766f 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_iscsi.c +++ b/drivers/net/ethernet/qlogic/qed/qed_iscsi.c @@ -190,6 +190,9 @@ qed_sp_iscsi_func_start(struct qed_hwfn *p_hwfn, p_init->num_sq_pages_in_ring = p_params->num_sq_pages_in_ring; p_init->num_r2tq_pages_in_ring = p_params->num_r2tq_pages_in_ring; p_init->num_uhq_pages_in_ring = p_params->num_uhq_pages_in_ring; + p_init->ooo_enable = p_params->ooo_enable; + p_init->ll2_rx_queue_id = p_hwfn->hw_info.resc_start[QED_LL2_QUEUE] + + p_params->ll2_ooo_queue_id; p_init->func_params.log_page_size = p_params->log_page_size; val = p_params->num_tasks; p_init->func_params.num_tasks = cpu_to_le16(val); @@ -786,6 +789,23 @@ static void qed_iscsi_release_connection(struct qed_hwfn *p_hwfn, spin_unlock_bh(&p_hwfn->p_iscsi_info->lock); } +void qed_iscsi_free_connection(struct qed_hwfn *p_hwfn, + struct qed_iscsi_conn *p_conn) +{ + qed_chain_free(p_hwfn->cdev, &p_conn->xhq); + qed_chain_free(p_hwfn->cdev, &p_conn->uhq); + qed_chain_free(p_hwfn->cdev, &p_conn->r2tq); + dma_free_coherent(&p_hwfn->cdev->pdev->dev, + sizeof(struct tcp_upload_params), + p_conn->tcp_upload_params_virt_addr, + p_conn->tcp_upload_params_phys_addr); + dma_free_coherent(&p_hwfn->cdev->pdev->dev, + sizeof(struct scsi_terminate_extra_params), + p_conn->queue_cnts_virt_addr, + p_conn->queue_cnts_phys_addr); + kfree(p_conn); +} + struct qed_iscsi_info *qed_iscsi_alloc(struct qed_hwfn *p_hwfn) { struct qed_iscsi_info *p_iscsi_info; @@ -807,6 +827,17 @@ void qed_iscsi_setup(struct qed_hwfn *p_hwfn, void qed_iscsi_free(struct qed_hwfn *p_hwfn, struct qed_iscsi_info *p_iscsi_info) { + struct qed_iscsi_conn *p_conn = NULL; + + while (!list_empty(&p_hwfn->p_iscsi_info->free_list)) { + p_conn = list_first_entry(&p_hwfn->p_iscsi_info->free_list, + struct qed_iscsi_conn, list_entry); + if (p_conn) { + list_del(&p_conn->list_entry); + qed_iscsi_free_connection(p_hwfn, p_conn); + } + } + kfree(p_iscsi_info); } diff --git a/drivers/net/ethernet/qlogic/qed/qed_ll2.c b/drivers/net/ethernet/qlogic/qed/qed_ll2.c index 9a0b9af..0d3cef4 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_ll2.c +++ b/drivers/net/ethernet/qlogic/qed/qed_ll2.c @@ -211,6 +211,8 @@ static void qed_ll2b_complete_rx_packet(struct qed_hwfn *p_hwfn, /* If need to reuse or there's no replacement buffer, repost this */ if (rc) goto out_post; + dma_unmap_single(&cdev->pdev->dev, buffer->phys_addr, + cdev->ll2->rx_size, DMA_FROM_DEVICE); skb = build_skb(buffer->data, 0); if (!skb) { @@ -474,7 +476,7 @@ qed_ll2_rxq_completion_gsi(struct qed_hwfn *p_hwfn, static int qed_ll2_rxq_completion_reg(struct qed_hwfn *p_hwfn, struct qed_ll2_info *p_ll2_conn, union core_rx_cqe_union *p_cqe, - unsigned long lock_flags, + unsigned long *p_lock_flags, bool b_last_cqe) { struct qed_ll2_rx_queue *p_rx = &p_ll2_conn->rx_queue; @@ -495,10 +497,10 @@ static int qed_ll2_rxq_completion_reg(struct qed_hwfn *p_hwfn, "Mismatch between active_descq and the LL2 Rx chain\n"); list_add_tail(&p_pkt->list_entry, &p_rx->free_descq); - spin_unlock_irqrestore(&p_rx->lock, lock_flags); + spin_unlock_irqrestore(&p_rx->lock, *p_lock_flags); qed_ll2b_complete_rx_packet(p_hwfn, p_ll2_conn->my_id, p_pkt, &p_cqe->rx_cqe_fp, b_last_cqe); - spin_lock_irqsave(&p_rx->lock, lock_flags); + spin_lock_irqsave(&p_rx->lock, *p_lock_flags); return 0; } @@ -538,7 +540,8 @@ static int qed_ll2_rxq_completion(struct qed_hwfn *p_hwfn, void *cookie) break; case CORE_RX_CQE_TYPE_REGULAR: rc = qed_ll2_rxq_completion_reg(p_hwfn, p_ll2_conn, - cqe, flags, b_last_cqe); + cqe, &flags, + b_last_cqe); break; default: rc = -EIO; @@ -968,7 +971,7 @@ static int qed_ll2_start_ooo(struct qed_dev *cdev, { struct qed_hwfn *hwfn = QED_LEADING_HWFN(cdev); u8 *handle = &hwfn->pf_params.iscsi_pf_params.ll2_ooo_queue_id; - struct qed_ll2_conn ll2_info; + struct qed_ll2_conn ll2_info = { 0 }; int rc; ll2_info.conn_type = QED_LL2_TYPE_ISCSI_OOO; diff --git a/drivers/net/ethernet/qlogic/qed/qed_ooo.c b/drivers/net/ethernet/qlogic/qed/qed_ooo.c index 7d731c6..378afce 100644 --- a/drivers/net/ethernet/qlogic/qed/qed_ooo.c +++ b/drivers/net/ethernet/qlogic/qed/qed_ooo.c @@ -159,6 +159,8 @@ struct qed_ooo_info *qed_ooo_alloc(struct qed_hwfn *p_hwfn) if (!p_ooo_info->ooo_history.p_cqes) goto no_history_mem; + p_ooo_info->ooo_history.num_of_cqes = QED_MAX_NUM_OOO_HISTORY_ENTRIES; + return p_ooo_info; no_history_mem: diff --git a/drivers/net/ethernet/rocker/rocker_ofdpa.c b/drivers/net/ethernet/rocker/rocker_ofdpa.c index 7cd76b6..2ae8524 100644 --- a/drivers/net/ethernet/rocker/rocker_ofdpa.c +++ b/drivers/net/ethernet/rocker/rocker_ofdpa.c @@ -2216,18 +2216,15 @@ static int ofdpa_port_stp_update(struct ofdpa_port *ofdpa_port, { bool want[OFDPA_CTRL_MAX] = { 0, }; bool prev_ctrls[OFDPA_CTRL_MAX]; - u8 uninitialized_var(prev_state); + u8 prev_state; int err; int i; - if (switchdev_trans_ph_prepare(trans)) { - memcpy(prev_ctrls, ofdpa_port->ctrls, sizeof(prev_ctrls)); - prev_state = ofdpa_port->stp_state; - } - - if (ofdpa_port->stp_state == state) + prev_state = ofdpa_port->stp_state; + if (prev_state == state) return 0; + memcpy(prev_ctrls, ofdpa_port->ctrls, sizeof(prev_ctrls)); ofdpa_port->stp_state = state; switch (state) { diff --git a/drivers/net/ethernet/sfc/efx.c b/drivers/net/ethernet/sfc/efx.c index 334bcc6..50d2826 100644 --- a/drivers/net/ethernet/sfc/efx.c +++ b/drivers/net/ethernet/sfc/efx.c @@ -2404,7 +2404,7 @@ static void efx_udp_tunnel_del(struct net_device *dev, struct udp_tunnel_info *t tnl.type = (u16)efx_tunnel_type; tnl.port = ti->port; - if (efx->type->udp_tnl_add_port) + if (efx->type->udp_tnl_del_port) (void)efx->type->udp_tnl_del_port(efx, tnl); } diff --git a/drivers/net/ethernet/smsc/smc91x.c b/drivers/net/ethernet/smsc/smc91x.c index 65077c7..91e9bd7 100644 --- a/drivers/net/ethernet/smsc/smc91x.c +++ b/drivers/net/ethernet/smsc/smc91x.c @@ -1535,32 +1535,33 @@ static int smc_close(struct net_device *dev) * Ethtool support */ static int -smc_ethtool_getsettings(struct net_device *dev, struct ethtool_cmd *cmd) +smc_ethtool_get_link_ksettings(struct net_device *dev, + struct ethtool_link_ksettings *cmd) { struct smc_local *lp = netdev_priv(dev); int ret; - cmd->maxtxpkt = 1; - cmd->maxrxpkt = 1; - if (lp->phy_type != 0) { spin_lock_irq(&lp->lock); - ret = mii_ethtool_gset(&lp->mii, cmd); + ret = mii_ethtool_get_link_ksettings(&lp->mii, cmd); spin_unlock_irq(&lp->lock); } else { - cmd->supported = SUPPORTED_10baseT_Half | + u32 supported = SUPPORTED_10baseT_Half | SUPPORTED_10baseT_Full | SUPPORTED_TP | SUPPORTED_AUI; if (lp->ctl_rspeed == 10) - ethtool_cmd_speed_set(cmd, SPEED_10); + cmd->base.speed = SPEED_10; else if (lp->ctl_rspeed == 100) - ethtool_cmd_speed_set(cmd, SPEED_100); + cmd->base.speed = SPEED_100; + + cmd->base.autoneg = AUTONEG_DISABLE; + cmd->base.port = 0; + cmd->base.duplex = lp->tcr_cur_mode & TCR_SWFDUP ? + DUPLEX_FULL : DUPLEX_HALF; - cmd->autoneg = AUTONEG_DISABLE; - cmd->transceiver = XCVR_INTERNAL; - cmd->port = 0; - cmd->duplex = lp->tcr_cur_mode & TCR_SWFDUP ? DUPLEX_FULL : DUPLEX_HALF; + ethtool_convert_legacy_u32_to_link_mode( + cmd->link_modes.supported, supported); ret = 0; } @@ -1569,24 +1570,26 @@ smc_ethtool_getsettings(struct net_device *dev, struct ethtool_cmd *cmd) } static int -smc_ethtool_setsettings(struct net_device *dev, struct ethtool_cmd *cmd) +smc_ethtool_set_link_ksettings(struct net_device *dev, + const struct ethtool_link_ksettings *cmd) { struct smc_local *lp = netdev_priv(dev); int ret; if (lp->phy_type != 0) { spin_lock_irq(&lp->lock); - ret = mii_ethtool_sset(&lp->mii, cmd); + ret = mii_ethtool_set_link_ksettings(&lp->mii, cmd); spin_unlock_irq(&lp->lock); } else { - if (cmd->autoneg != AUTONEG_DISABLE || - cmd->speed != SPEED_10 || - (cmd->duplex != DUPLEX_HALF && cmd->duplex != DUPLEX_FULL) || - (cmd->port != PORT_TP && cmd->port != PORT_AUI)) + if (cmd->base.autoneg != AUTONEG_DISABLE || + cmd->base.speed != SPEED_10 || + (cmd->base.duplex != DUPLEX_HALF && + cmd->base.duplex != DUPLEX_FULL) || + (cmd->base.port != PORT_TP && cmd->base.port != PORT_AUI)) return -EINVAL; -// lp->port = cmd->port; - lp->ctl_rfduplx = cmd->duplex == DUPLEX_FULL; +// lp->port = cmd->base.port; + lp->ctl_rfduplx = cmd->base.duplex == DUPLEX_FULL; // if (netif_running(dev)) // smc_set_port(dev); @@ -1744,8 +1747,6 @@ static int smc_ethtool_seteeprom(struct net_device *dev, static const struct ethtool_ops smc_ethtool_ops = { - .get_settings = smc_ethtool_getsettings, - .set_settings = smc_ethtool_setsettings, .get_drvinfo = smc_ethtool_getdrvinfo, .get_msglevel = smc_ethtool_getmsglevel, @@ -1755,6 +1756,8 @@ static const struct ethtool_ops smc_ethtool_ops = { .get_eeprom_len = smc_ethtool_geteeprom_len, .get_eeprom = smc_ethtool_geteeprom, .set_eeprom = smc_ethtool_seteeprom, + .get_link_ksettings = smc_ethtool_get_link_ksettings, + .set_link_ksettings = smc_ethtool_set_link_ksettings, }; static const struct net_device_ops smc_netdev_ops = { diff --git a/drivers/net/ethernet/ti/Kconfig b/drivers/net/ethernet/ti/Kconfig index 296c8ef..9e63195 100644 --- a/drivers/net/ethernet/ti/Kconfig +++ b/drivers/net/ethernet/ti/Kconfig @@ -74,15 +74,21 @@ config TI_CPSW will be called cpsw. config TI_CPTS - tristate "TI Common Platform Time Sync (CPTS) Support" + bool "TI Common Platform Time Sync (CPTS) Support" depends on TI_CPSW || TI_KEYSTONE_NETCP - imply PTP_1588_CLOCK + depends on PTP_1588_CLOCK ---help--- This driver supports the Common Platform Time Sync unit of the CPSW Ethernet Switch and Keystone 2 1g/10g Switch Subsystem. The unit can time stamp PTP UDP/IPv4 and Layer 2 packets, and the driver offers a PTP Hardware Clock. +config TI_CPTS_MOD + tristate + depends on TI_CPTS + default y if TI_CPSW=y || TI_KEYSTONE_NETCP=y + default m + config TI_KEYSTONE_NETCP tristate "TI Keystone NETCP Core Support" select TI_CPSW_ALE diff --git a/drivers/net/ethernet/ti/Makefile b/drivers/net/ethernet/ti/Makefile index 1e7c10b..10e6b0c 100644 --- a/drivers/net/ethernet/ti/Makefile +++ b/drivers/net/ethernet/ti/Makefile @@ -12,7 +12,7 @@ obj-$(CONFIG_TI_DAVINCI_MDIO) += davinci_mdio.o obj-$(CONFIG_TI_DAVINCI_CPDMA) += davinci_cpdma.o obj-$(CONFIG_TI_CPSW_PHY_SEL) += cpsw-phy-sel.o obj-$(CONFIG_TI_CPSW_ALE) += cpsw_ale.o -obj-$(CONFIG_TI_CPTS) += cpts.o +obj-$(CONFIG_TI_CPTS_MOD) += cpts.o obj-$(CONFIG_TI_CPSW) += ti_cpsw.o ti_cpsw-y := cpsw.o diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c index 9f3d9c6..fa674a8 100644 --- a/drivers/net/ethernet/ti/cpsw.c +++ b/drivers/net/ethernet/ti/cpsw.c @@ -1267,6 +1267,7 @@ static void soft_reset_slave(struct cpsw_slave *slave) static void cpsw_slave_open(struct cpsw_slave *slave, struct cpsw_priv *priv) { u32 slave_port; + struct phy_device *phy; struct cpsw_common *cpsw = priv->cpsw; soft_reset_slave(slave); @@ -1300,27 +1301,28 @@ static void cpsw_slave_open(struct cpsw_slave *slave, struct cpsw_priv *priv) 1 << slave_port, 0, 0, ALE_MCAST_FWD_2); if (slave->data->phy_node) { - slave->phy = of_phy_connect(priv->ndev, slave->data->phy_node, + phy = of_phy_connect(priv->ndev, slave->data->phy_node, &cpsw_adjust_link, 0, slave->data->phy_if); - if (!slave->phy) { + if (!phy) { dev_err(priv->dev, "phy \"%s\" not found on slave %d\n", slave->data->phy_node->full_name, slave->slave_num); return; } } else { - slave->phy = phy_connect(priv->ndev, slave->data->phy_id, + phy = phy_connect(priv->ndev, slave->data->phy_id, &cpsw_adjust_link, slave->data->phy_if); - if (IS_ERR(slave->phy)) { + if (IS_ERR(phy)) { dev_err(priv->dev, "phy \"%s\" not found on slave %d, err %ld\n", slave->data->phy_id, slave->slave_num, - PTR_ERR(slave->phy)); - slave->phy = NULL; + PTR_ERR(phy)); return; } } + slave->phy = phy; + phy_attached_info(slave->phy); phy_start(slave->phy); @@ -1817,6 +1819,8 @@ static void cpsw_ndo_tx_timeout(struct net_device *ndev) } cpsw_intr_enable(cpsw); + netif_trans_update(ndev); + netif_tx_wake_all_queues(ndev); } static int cpsw_ndo_set_mac_address(struct net_device *ndev, void *p) diff --git a/drivers/net/fjes/fjes_main.c b/drivers/net/fjes/fjes_main.c index b75d9cd..ae48c80 100644 --- a/drivers/net/fjes/fjes_main.c +++ b/drivers/net/fjes/fjes_main.c @@ -45,6 +45,8 @@ MODULE_DESCRIPTION("FUJITSU Extended Socket Network Device Driver"); MODULE_LICENSE("GPL"); MODULE_VERSION(DRV_VERSION); +#define ACPI_MOTHERBOARD_RESOURCE_HID "PNP0C02" + static int fjes_request_irq(struct fjes_adapter *); static void fjes_free_irq(struct fjes_adapter *); @@ -78,7 +80,7 @@ static void fjes_rx_irq(struct fjes_adapter *, int); static int fjes_poll(struct napi_struct *, int); static const struct acpi_device_id fjes_acpi_ids[] = { - {"PNP0C02", 0}, + {ACPI_MOTHERBOARD_RESOURCE_HID, 0}, {"", 0}, }; MODULE_DEVICE_TABLE(acpi, fjes_acpi_ids); @@ -115,18 +117,17 @@ static struct resource fjes_resource[] = { }, }; -static int fjes_acpi_add(struct acpi_device *device) +static bool is_extended_socket_device(struct acpi_device *device) { struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL}; char str_buf[sizeof(FJES_ACPI_SYMBOL) + 1]; - struct platform_device *plat_dev; union acpi_object *str; acpi_status status; int result; status = acpi_evaluate_object(device->handle, "_STR", NULL, &buffer); if (ACPI_FAILURE(status)) - return -ENODEV; + return false; str = buffer.pointer; result = utf16s_to_utf8s((wchar_t *)str->string.pointer, @@ -136,10 +137,42 @@ static int fjes_acpi_add(struct acpi_device *device) if (strncmp(FJES_ACPI_SYMBOL, str_buf, strlen(FJES_ACPI_SYMBOL)) != 0) { kfree(buffer.pointer); - return -ENODEV; + return false; } kfree(buffer.pointer); + return true; +} + +static int acpi_check_extended_socket_status(struct acpi_device *device) +{ + unsigned long long sta; + acpi_status status; + + status = acpi_evaluate_integer(device->handle, "_STA", NULL, &sta); + if (ACPI_FAILURE(status)) + return -ENODEV; + + if (!((sta & ACPI_STA_DEVICE_PRESENT) && + (sta & ACPI_STA_DEVICE_ENABLED) && + (sta & ACPI_STA_DEVICE_UI) && + (sta & ACPI_STA_DEVICE_FUNCTIONING))) + return -ENODEV; + + return 0; +} + +static int fjes_acpi_add(struct acpi_device *device) +{ + struct platform_device *plat_dev; + acpi_status status; + + if (!is_extended_socket_device(device)) + return -ENODEV; + + if (acpi_check_extended_socket_status(device)) + return -ENODEV; + status = acpi_walk_resources(device->handle, METHOD_NAME__CRS, fjes_get_acpi_resource, fjes_resource); if (ACPI_FAILURE(status)) @@ -1316,7 +1349,7 @@ static void fjes_netdev_setup(struct net_device *netdev) netdev->min_mtu = fjes_support_mtu[0]; netdev->max_mtu = fjes_support_mtu[3]; netdev->flags |= IFF_BROADCAST; - netdev->features |= NETIF_F_HW_CSUM | NETIF_F_HW_VLAN_CTAG_FILTER; + netdev->features |= NETIF_F_HW_VLAN_CTAG_FILTER; } static void fjes_irq_watch_task(struct work_struct *work) @@ -1473,11 +1506,44 @@ static void fjes_watch_unshare_task(struct work_struct *work) } } +static acpi_status +acpi_find_extended_socket_device(acpi_handle obj_handle, u32 level, + void *context, void **return_value) +{ + struct acpi_device *device; + bool *found = context; + int result; + + result = acpi_bus_get_device(obj_handle, &device); + if (result) + return AE_OK; + + if (strcmp(acpi_device_hid(device), ACPI_MOTHERBOARD_RESOURCE_HID)) + return AE_OK; + + if (!is_extended_socket_device(device)) + return AE_OK; + + if (acpi_check_extended_socket_status(device)) + return AE_OK; + + *found = true; + return AE_CTRL_TERMINATE; +} + /* fjes_init_module - Driver Registration Routine */ static int __init fjes_init_module(void) { + bool found = false; int result; + acpi_walk_namespace(ACPI_TYPE_DEVICE, ACPI_ROOT_OBJECT, ACPI_UINT32_MAX, + acpi_find_extended_socket_device, NULL, &found, + NULL); + + if (!found) + return -ENODEV; + pr_info("%s - version %s - %s\n", fjes_driver_string, fjes_driver_version, fjes_copyright); diff --git a/drivers/net/hyperv/hyperv_net.h b/drivers/net/hyperv/hyperv_net.h index d3e73ac..f9f3dba 100644 --- a/drivers/net/hyperv/hyperv_net.h +++ b/drivers/net/hyperv/hyperv_net.h @@ -700,6 +700,8 @@ struct net_device_context { u32 tx_checksum_mask; + u32 tx_send_table[VRSS_SEND_TAB_SIZE]; + /* Ethtool settings */ u8 duplex; u32 speed; @@ -757,7 +759,6 @@ struct netvsc_device { struct nvsp_message revoke_packet; - u32 send_table[VRSS_SEND_TAB_SIZE]; u32 max_chn; u32 num_chn; spinlock_t sc_lock; /* Protects num_sc_offered variable */ diff --git a/drivers/net/hyperv/netvsc.c b/drivers/net/hyperv/netvsc.c index d35ebd9..8dd0b87 100644 --- a/drivers/net/hyperv/netvsc.c +++ b/drivers/net/hyperv/netvsc.c @@ -1136,15 +1136,11 @@ static void netvsc_receive(struct net_device *ndev, static void netvsc_send_table(struct hv_device *hdev, struct nvsp_message *nvmsg) { - struct netvsc_device *nvscdev; struct net_device *ndev = hv_get_drvdata(hdev); + struct net_device_context *net_device_ctx = netdev_priv(ndev); int i; u32 count, *tab; - nvscdev = get_outbound_net_device(hdev); - if (!nvscdev) - return; - count = nvmsg->msg.v5_msg.send_table.count; if (count != VRSS_SEND_TAB_SIZE) { netdev_err(ndev, "Received wrong send-table size:%u\n", count); @@ -1155,7 +1151,7 @@ static void netvsc_send_table(struct hv_device *hdev, nvmsg->msg.v5_msg.send_table.offset); for (i = 0; i < count; i++) - nvscdev->send_table[i] = tab[i]; + net_device_ctx->tx_send_table[i] = tab[i]; } static void netvsc_send_vf(struct net_device_context *net_device_ctx, @@ -1235,8 +1231,11 @@ void netvsc_channel_cb(void *context) return; net_device = net_device_to_netvsc_device(ndev); - if (unlikely(net_device->destroy) && - netvsc_channel_idle(net_device, q_idx)) + if (unlikely(!net_device)) + return; + + if (unlikely(net_device->destroy && + netvsc_channel_idle(net_device, q_idx))) return; /* commit_rd_index() -> hv_signal_on_read() needs this. */ diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c index bc05c89..5ede87f 100644 --- a/drivers/net/hyperv/netvsc_drv.c +++ b/drivers/net/hyperv/netvsc_drv.c @@ -206,17 +206,15 @@ static u16 netvsc_select_queue(struct net_device *ndev, struct sk_buff *skb, void *accel_priv, select_queue_fallback_t fallback) { struct net_device_context *net_device_ctx = netdev_priv(ndev); - struct netvsc_device *nvsc_dev = net_device_ctx->nvdev; + unsigned int num_tx_queues = ndev->real_num_tx_queues; struct sock *sk = skb->sk; int q_idx = sk_tx_queue_get(sk); - if (q_idx < 0 || skb->ooo_okay || - q_idx >= ndev->real_num_tx_queues) { + if (q_idx < 0 || skb->ooo_okay || q_idx >= num_tx_queues) { u16 hash = __skb_tx_hash(ndev, skb, VRSS_SEND_TAB_SIZE); int new_idx; - new_idx = nvsc_dev->send_table[hash] - % nvsc_dev->num_chn; + new_idx = net_device_ctx->tx_send_table[hash] % num_tx_queues; if (q_idx != new_idx && sk && sk_fullsock(sk) && rcu_access_pointer(sk->sk_dst_cache)) @@ -225,9 +223,6 @@ static u16 netvsc_select_queue(struct net_device *ndev, struct sk_buff *skb, q_idx = new_idx; } - if (unlikely(!nvsc_dev->chan_table[q_idx].channel)) - q_idx = 0; - return q_idx; } diff --git a/drivers/net/irda/vlsi_ir.c b/drivers/net/irda/vlsi_ir.c index ffedad2..15b9200 100644 --- a/drivers/net/irda/vlsi_ir.c +++ b/drivers/net/irda/vlsi_ir.c @@ -418,8 +418,9 @@ static struct vlsi_ring *vlsi_alloc_ring(struct pci_dev *pdev, struct ring_descr memset(rd, 0, sizeof(*rd)); rd->hw = hwmap + i; rd->buf = kmalloc(len, GFP_KERNEL|GFP_DMA); - if (rd->buf == NULL || - !(busaddr = pci_map_single(pdev, rd->buf, len, dir))) { + if (rd->buf) + busaddr = pci_map_single(pdev, rd->buf, len, dir); + if (rd->buf == NULL || pci_dma_mapping_error(pdev, busaddr)) { if (rd->buf) { net_err_ratelimited("%s: failed to create PCI-MAP for %p\n", __func__, rd->buf); @@ -430,8 +431,7 @@ static struct vlsi_ring *vlsi_alloc_ring(struct pci_dev *pdev, struct ring_descr rd = r->rd + j; busaddr = rd_get_addr(rd); rd_set_addr_status(rd, 0, 0); - if (busaddr) - pci_unmap_single(pdev, busaddr, len, dir); + pci_unmap_single(pdev, busaddr, len, dir); kfree(rd->buf); rd->buf = NULL; } diff --git a/drivers/net/phy/marvell.c b/drivers/net/phy/marvell.c index f9d0fa3..272b051 100644 --- a/drivers/net/phy/marvell.c +++ b/drivers/net/phy/marvell.c @@ -1883,17 +1883,6 @@ static int m88e1510_probe(struct phy_device *phydev) return m88e1510_hwmon_probe(phydev); } -static void marvell_remove(struct phy_device *phydev) -{ -#ifdef CONFIG_HWMON - - struct marvell_priv *priv = phydev->priv; - - if (priv && priv->hwmon_dev) - hwmon_device_unregister(priv->hwmon_dev); -#endif -} - static struct phy_driver marvell_drivers[] = { { .phy_id = MARVELL_PHY_ID_88E1101, @@ -1974,7 +1963,6 @@ static struct phy_driver marvell_drivers[] = { .features = PHY_GBIT_FEATURES, .flags = PHY_HAS_INTERRUPT, .probe = &m88e1121_probe, - .remove = &marvell_remove, .config_init = &m88e1121_config_init, .config_aneg = &m88e1121_config_aneg, .read_status = &marvell_read_status, @@ -2087,7 +2075,6 @@ static struct phy_driver marvell_drivers[] = { .features = PHY_GBIT_FEATURES | SUPPORTED_FIBRE, .flags = PHY_HAS_INTERRUPT, .probe = &m88e1510_probe, - .remove = &marvell_remove, .config_init = &m88e1510_config_init, .config_aneg = &m88e1510_config_aneg, .read_status = &marvell_read_status, @@ -2109,7 +2096,6 @@ static struct phy_driver marvell_drivers[] = { .features = PHY_GBIT_FEATURES, .flags = PHY_HAS_INTERRUPT, .probe = m88e1510_probe, - .remove = &marvell_remove, .config_init = &marvell_config_init, .config_aneg = &m88e1510_config_aneg, .read_status = &marvell_read_status, @@ -2127,7 +2113,6 @@ static struct phy_driver marvell_drivers[] = { .phy_id_mask = MARVELL_PHY_ID_MASK, .name = "Marvell 88E1545", .probe = m88e1510_probe, - .remove = &marvell_remove, .features = PHY_GBIT_FEATURES, .flags = PHY_HAS_INTERRUPT, .config_init = &marvell_config_init, diff --git a/drivers/net/phy/mdio-boardinfo.c b/drivers/net/phy/mdio-boardinfo.c index 6b988f7..61941e2 100644 --- a/drivers/net/phy/mdio-boardinfo.c +++ b/drivers/net/phy/mdio-boardinfo.c @@ -84,3 +84,4 @@ int mdiobus_register_board_info(const struct mdio_board_info *info, return 0; } +EXPORT_SYMBOL(mdiobus_register_board_info); diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c index 1be69d8..a2bfc82 100644 --- a/drivers/net/phy/phy.c +++ b/drivers/net/phy/phy.c @@ -681,7 +681,7 @@ void phy_stop_machine(struct phy_device *phydev) cancel_delayed_work_sync(&phydev->state_queue); mutex_lock(&phydev->lock); - if (phydev->state > PHY_UP) + if (phydev->state > PHY_UP && phydev->state != PHY_HALTED) phydev->state = PHY_UP; mutex_unlock(&phydev->lock); } diff --git a/drivers/net/phy/phy_device.c b/drivers/net/phy/phy_device.c index daec655..5198ccf 100644 --- a/drivers/net/phy/phy_device.c +++ b/drivers/net/phy/phy_device.c @@ -1864,7 +1864,7 @@ static struct phy_driver genphy_driver[] = { .phy_id = 0xffffffff, .phy_id_mask = 0xffffffff, .name = "Generic PHY", - .soft_reset = genphy_soft_reset, + .soft_reset = genphy_no_soft_reset, .config_init = genphy_config_init, .features = PHY_GBIT_FEATURES | SUPPORTED_MII | SUPPORTED_AUI | SUPPORTED_FIBRE | diff --git a/drivers/net/phy/spi_ks8995.c b/drivers/net/phy/spi_ks8995.c index 93ffedf..1e2d4f1 100644 --- a/drivers/net/phy/spi_ks8995.c +++ b/drivers/net/phy/spi_ks8995.c @@ -491,13 +491,14 @@ static int ks8995_probe(struct spi_device *spi) if (err) return err; - ks->regs_attr.size = ks->chip->regs_size; memcpy(&ks->regs_attr, &ks8995_registers_attr, sizeof(ks->regs_attr)); + ks->regs_attr.size = ks->chip->regs_size; err = ks8995_reset(ks); if (err) return err; + sysfs_attr_init(&ks->regs_attr.attr); err = sysfs_create_bin_file(&spi->dev.kobj, &ks->regs_attr); if (err) { dev_err(&spi->dev, "unable to create sysfs file, err=%d\n", diff --git a/drivers/net/team/team.c b/drivers/net/team/team.c index 4a24b5d..f8c81f1 100644 --- a/drivers/net/team/team.c +++ b/drivers/net/team/team.c @@ -990,7 +990,7 @@ static void team_port_disable(struct team *team, #define TEAM_ENC_FEATURES (NETIF_F_HW_CSUM | NETIF_F_SG | \ NETIF_F_RXCSUM | NETIF_F_ALL_TSO) -static void ___team_compute_features(struct team *team) +static void __team_compute_features(struct team *team) { struct team_port *port; u32 vlan_features = TEAM_VLAN_FEATURES & NETIF_F_ALL_FOR_ALL; @@ -1023,16 +1023,10 @@ static void ___team_compute_features(struct team *team) team->dev->priv_flags |= IFF_XMIT_DST_RELEASE; } -static void __team_compute_features(struct team *team) -{ - ___team_compute_features(team); - netdev_change_features(team->dev); -} - static void team_compute_features(struct team *team) { mutex_lock(&team->lock); - ___team_compute_features(team); + __team_compute_features(team); mutex_unlock(&team->lock); netdev_change_features(team->dev); } @@ -1641,6 +1635,7 @@ static void team_uninit(struct net_device *dev) team_notify_peers_fini(team); team_queue_override_fini(team); mutex_unlock(&team->lock); + netdev_change_features(dev); } static void team_destructor(struct net_device *dev) @@ -1928,6 +1923,10 @@ static int team_add_slave(struct net_device *dev, struct net_device *port_dev) mutex_lock(&team->lock); err = team_port_add(team, port_dev); mutex_unlock(&team->lock); + + if (!err) + netdev_change_features(dev); + return err; } @@ -1939,6 +1938,10 @@ static int team_del_slave(struct net_device *dev, struct net_device *port_dev) mutex_lock(&team->lock); err = team_port_del(team, port_dev); mutex_unlock(&team->lock); + + if (!err) + netdev_change_features(dev); + return err; } @@ -2072,6 +2075,7 @@ static int team_dev_type_check_change(struct net_device *dev, static void team_setup(struct net_device *dev) { ether_setup(dev); + dev->max_mtu = ETH_MAX_MTU; dev->netdev_ops = &team_netdev_ops; dev->ethtool_ops = &team_ethtool_ops; diff --git a/drivers/net/tun.c b/drivers/net/tun.c index dc1b1dd..cc88cd7 100644 --- a/drivers/net/tun.c +++ b/drivers/net/tun.c @@ -822,7 +822,18 @@ static void tun_net_uninit(struct net_device *dev) /* Net device open. */ static int tun_net_open(struct net_device *dev) { + struct tun_struct *tun = netdev_priv(dev); + int i; + netif_tx_start_all_queues(dev); + + for (i = 0; i < tun->numqueues; i++) { + struct tun_file *tfile; + + tfile = rtnl_dereference(tun->tfiles[i]); + tfile->socket.sk->sk_write_space(tfile->socket.sk); + } + return 0; } @@ -1103,9 +1114,10 @@ static unsigned int tun_chr_poll(struct file *file, poll_table *wait) if (!skb_array_empty(&tfile->tx_array)) mask |= POLLIN | POLLRDNORM; - if (sock_writeable(sk) || - (!test_and_set_bit(SOCKWQ_ASYNC_NOSPACE, &sk->sk_socket->flags) && - sock_writeable(sk))) + if (tun->dev->flags & IFF_UP && + (sock_writeable(sk) || + (!test_and_set_bit(SOCKWQ_ASYNC_NOSPACE, &sk->sk_socket->flags) && + sock_writeable(sk)))) mask |= POLLOUT | POLLWRNORM; if (tun->dev->reg_state != NETREG_REGISTERED) @@ -1919,6 +1931,8 @@ static int set_offload(struct tun_struct *tun, unsigned long arg) return -EINVAL; tun->set_features = features; + tun->dev->wanted_features &= ~TUN_USER_FEATURES; + tun->dev->wanted_features |= features; netdev_update_features(tun->dev); return 0; @@ -2570,7 +2584,6 @@ static int __init tun_init(void) int ret = 0; pr_info("%s, %s\n", DRV_DESCRIPTION, DRV_VERSION); - pr_info("%s\n", DRV_COPYRIGHT); ret = rtnl_link_register(&tun_link_ops); if (ret) { diff --git a/drivers/net/usb/cdc_ether.c b/drivers/net/usb/cdc_ether.c index f5552aa..f3ae88f 100644 --- a/drivers/net/usb/cdc_ether.c +++ b/drivers/net/usb/cdc_ether.c @@ -532,6 +532,7 @@ static const struct driver_info wwan_info = { #define LENOVO_VENDOR_ID 0x17ef #define NVIDIA_VENDOR_ID 0x0955 #define HP_VENDOR_ID 0x03f0 +#define MICROSOFT_VENDOR_ID 0x045e static const struct usb_device_id products[] = { /* BLACKLIST !! @@ -761,6 +762,20 @@ static const struct usb_device_id products[] = { .driver_info = 0, }, +/* Microsoft Surface 2 dock (based on Realtek RTL8152) */ +{ + USB_DEVICE_AND_INTERFACE_INFO(MICROSOFT_VENDOR_ID, 0x07ab, USB_CLASS_COMM, + USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), + .driver_info = 0, +}, + +/* Microsoft Surface 3 dock (based on Realtek RTL8153) */ +{ + USB_DEVICE_AND_INTERFACE_INFO(MICROSOFT_VENDOR_ID, 0x07c6, USB_CLASS_COMM, + USB_CDC_SUBCLASS_ETHERNET, USB_CDC_PROTO_NONE), + .driver_info = 0, +}, + /* WHITELIST!!! * * CDC Ether uses two interfaces, not necessarily consecutive. diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c index 8056745..2474618 100644 --- a/drivers/net/usb/qmi_wwan.c +++ b/drivers/net/usb/qmi_wwan.c @@ -580,6 +580,10 @@ static const struct usb_device_id products[] = { USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_VENDOR_SPEC, 0x01, 0x69), .driver_info = (unsigned long)&qmi_wwan_info, }, + { /* Motorola Mapphone devices with MDM6600 */ + USB_VENDOR_AND_INTERFACE_INFO(0x22b8, USB_CLASS_VENDOR_SPEC, 0xfb, 0xff), + .driver_info = (unsigned long)&qmi_wwan_info, + }, /* 2. Combined interface devices matching on class+protocol */ { /* Huawei E367 and possibly others in "Windows mode" */ @@ -904,7 +908,7 @@ static const struct usb_device_id products[] = { {QMI_FIXED_INTF(0x2357, 0x9000, 4)}, /* TP-LINK MA260 */ {QMI_QUIRK_SET_DTR(0x1bc7, 0x1040, 2)}, /* Telit LE922A */ {QMI_FIXED_INTF(0x1bc7, 0x1200, 5)}, /* Telit LE920 */ - {QMI_FIXED_INTF(0x1bc7, 0x1201, 2)}, /* Telit LE920 */ + {QMI_QUIRK_SET_DTR(0x1bc7, 0x1201, 2)}, /* Telit LE920, LE920A4 */ {QMI_FIXED_INTF(0x1c9e, 0x9b01, 3)}, /* XS Stick W100-2 from 4G Systems */ {QMI_FIXED_INTF(0x0b3c, 0xc000, 4)}, /* Olivetti Olicard 100 */ {QMI_FIXED_INTF(0x0b3c, 0xc001, 4)}, /* Olivetti Olicard 120 */ @@ -925,6 +929,8 @@ static const struct usb_device_id products[] = { {QMI_FIXED_INTF(0x413c, 0x81a9, 8)}, /* Dell Wireless 5808e Gobi(TM) 4G LTE Mobile Broadband Card */ {QMI_FIXED_INTF(0x413c, 0x81b1, 8)}, /* Dell Wireless 5809e Gobi(TM) 4G LTE Mobile Broadband Card */ {QMI_FIXED_INTF(0x413c, 0x81b3, 8)}, /* Dell Wireless 5809e Gobi(TM) 4G LTE Mobile Broadband Card (rev3) */ + {QMI_FIXED_INTF(0x413c, 0x81b6, 8)}, /* Dell Wireless 5811e */ + {QMI_FIXED_INTF(0x413c, 0x81b6, 10)}, /* Dell Wireless 5811e */ {QMI_FIXED_INTF(0x03f0, 0x4e1d, 8)}, /* HP lt4111 LTE/EV-DO/HSPA+ Gobi 4G Module */ {QMI_FIXED_INTF(0x22de, 0x9061, 3)}, /* WeTelecom WPD-600N */ {QMI_FIXED_INTF(0x1e0e, 0x9001, 5)}, /* SIMCom 7230E */ diff --git a/drivers/net/usb/r8152.c b/drivers/net/usb/r8152.c index 986243c..07f788c 100644 --- a/drivers/net/usb/r8152.c +++ b/drivers/net/usb/r8152.c @@ -32,7 +32,7 @@ #define NETNEXT_VERSION "08" /* Information for net */ -#define NET_VERSION "8" +#define NET_VERSION "9" #define DRIVER_VERSION "v1." NETNEXT_VERSION "." NET_VERSION #define DRIVER_AUTHOR "Realtek linux nic maintainers <nic_swsd@realtek.com>" @@ -501,6 +501,8 @@ enum rtl_register_content { #define RTL8153_RMS RTL8153_MAX_PACKET #define RTL8152_TX_TIMEOUT (5 * HZ) #define RTL8152_NAPI_WEIGHT 64 +#define rx_reserved_size(x) ((x) + VLAN_ETH_HLEN + CRC_SIZE + \ + sizeof(struct rx_desc) + RX_ALIGN) /* rtl8152 flags */ enum rtl8152_flags { @@ -515,6 +517,7 @@ enum rtl8152_flags { /* Define these values to match your device */ #define VENDOR_ID_REALTEK 0x0bda +#define VENDOR_ID_MICROSOFT 0x045e #define VENDOR_ID_SAMSUNG 0x04e8 #define VENDOR_ID_LENOVO 0x17ef #define VENDOR_ID_NVIDIA 0x0955 @@ -1292,6 +1295,7 @@ static void intr_callback(struct urb *urb) } } else { if (netif_carrier_ok(tp->netdev)) { + netif_stop_queue(tp->netdev); set_bit(RTL8152_LINK_CHG, &tp->flags); schedule_delayed_work(&tp->schedule, 0); } @@ -1362,6 +1366,7 @@ static int alloc_all_mem(struct r8152 *tp) spin_lock_init(&tp->rx_lock); spin_lock_init(&tp->tx_lock); INIT_LIST_HEAD(&tp->tx_free); + INIT_LIST_HEAD(&tp->rx_done); skb_queue_head_init(&tp->tx_queue); skb_queue_head_init(&tp->rx_queue); @@ -2252,8 +2257,7 @@ static void r8153_set_rx_early_timeout(struct r8152 *tp) static void r8153_set_rx_early_size(struct r8152 *tp) { - u32 mtu = tp->netdev->mtu; - u32 ocp_data = (agg_buf_sz - mtu - VLAN_ETH_HLEN - VLAN_HLEN) / 8; + u32 ocp_data = (agg_buf_sz - rx_reserved_size(tp->netdev->mtu)) / 4; ocp_write_word(tp, MCU_TYPE_USB, USB_RX_EARLY_SIZE, ocp_data); } @@ -2898,7 +2902,8 @@ static void r8153_first_init(struct r8152 *tp) rtl_rx_vlan_en(tp, tp->netdev->features & NETIF_F_HW_VLAN_CTAG_RX); - ocp_write_word(tp, MCU_TYPE_PLA, PLA_RMS, RTL8153_RMS); + ocp_data = tp->netdev->mtu + VLAN_ETH_HLEN + CRC_SIZE; + ocp_write_word(tp, MCU_TYPE_PLA, PLA_RMS, ocp_data); ocp_write_byte(tp, MCU_TYPE_PLA, PLA_MTPS, MTPS_JUMBO); ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_TCR0); @@ -2950,7 +2955,8 @@ static void r8153_enter_oob(struct r8152 *tp) usleep_range(1000, 2000); } - ocp_write_word(tp, MCU_TYPE_PLA, PLA_RMS, RTL8153_RMS); + ocp_data = tp->netdev->mtu + VLAN_ETH_HLEN + CRC_SIZE; + ocp_write_word(tp, MCU_TYPE_PLA, PLA_RMS, ocp_data); ocp_data = ocp_read_word(tp, MCU_TYPE_PLA, PLA_TEREDO_CFG); ocp_data &= ~TEREDO_WAKE_MASK; @@ -3165,6 +3171,9 @@ static void set_carrier(struct r8152 *tp) napi_enable(&tp->napi); netif_wake_queue(netdev); netif_info(tp, link, netdev, "carrier on\n"); + } else if (netif_queue_stopped(netdev) && + skb_queue_len(&tp->tx_queue) < tp->tx_qlen) { + netif_wake_queue(netdev); } } else { if (netif_carrier_ok(netdev)) { @@ -3698,8 +3707,18 @@ static int rtl8152_resume(struct usb_interface *intf) tp->rtl_ops.autosuspend_en(tp, false); napi_disable(&tp->napi); set_bit(WORK_ENABLE, &tp->flags); - if (netif_carrier_ok(tp->netdev)) - rtl_start_rx(tp); + + if (netif_carrier_ok(tp->netdev)) { + if (rtl8152_get_speed(tp) & LINK_STATUS) { + rtl_start_rx(tp); + } else { + netif_carrier_off(tp->netdev); + tp->rtl_ops.disable(tp); + netif_info(tp, link, tp->netdev, + "linking down\n"); + } + } + napi_enable(&tp->napi); clear_bit(SELECTIVE_SUSPEND, &tp->flags); smp_mb__after_atomic(); @@ -4200,8 +4219,14 @@ static int rtl8152_change_mtu(struct net_device *dev, int new_mtu) dev->mtu = new_mtu; - if (netif_running(dev) && netif_carrier_ok(dev)) - r8153_set_rx_early_size(tp); + if (netif_running(dev)) { + u32 rms = new_mtu + VLAN_ETH_HLEN + CRC_SIZE; + + ocp_write_word(tp, MCU_TYPE_PLA, PLA_RMS, rms); + + if (netif_carrier_ok(dev)) + r8153_set_rx_early_size(tp); + } mutex_unlock(&tp->control); @@ -4497,6 +4522,8 @@ static void rtl8152_disconnect(struct usb_interface *intf) static struct usb_device_id rtl8152_table[] = { {REALTEK_USB_DEVICE(VENDOR_ID_REALTEK, 0x8152)}, {REALTEK_USB_DEVICE(VENDOR_ID_REALTEK, 0x8153)}, + {REALTEK_USB_DEVICE(VENDOR_ID_MICROSOFT, 0x07ab)}, + {REALTEK_USB_DEVICE(VENDOR_ID_MICROSOFT, 0x07c6)}, {REALTEK_USB_DEVICE(VENDOR_ID_SAMSUNG, 0xa101)}, {REALTEK_USB_DEVICE(VENDOR_ID_LENOVO, 0x304f)}, {REALTEK_USB_DEVICE(VENDOR_ID_LENOVO, 0x3062)}, diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c index 3de65ea..4532448 100644 --- a/drivers/net/usb/usbnet.c +++ b/drivers/net/usb/usbnet.c @@ -1929,7 +1929,7 @@ static int __usbnet_read_cmd(struct usbnet *dev, u8 cmd, u8 reqtype, " value=0x%04x index=0x%04x size=%d\n", cmd, reqtype, value, index, size); - if (data) { + if (size) { buf = kmalloc(size, GFP_KERNEL); if (!buf) goto out; @@ -1938,8 +1938,13 @@ static int __usbnet_read_cmd(struct usbnet *dev, u8 cmd, u8 reqtype, err = usb_control_msg(dev->udev, usb_rcvctrlpipe(dev->udev, 0), cmd, reqtype, value, index, buf, size, USB_CTRL_GET_TIMEOUT); - if (err > 0 && err <= size) - memcpy(data, buf, err); + if (err > 0 && err <= size) { + if (data) + memcpy(data, buf, err); + else + netdev_dbg(dev->net, + "Huh? Data requested but thrown away.\n"); + } kfree(buf); out: return err; @@ -1960,7 +1965,13 @@ static int __usbnet_write_cmd(struct usbnet *dev, u8 cmd, u8 reqtype, buf = kmemdup(data, size, GFP_KERNEL); if (!buf) goto out; - } + } else { + if (size) { + WARN_ON_ONCE(1); + err = -EINVAL; + goto out; + } + } err = usb_control_msg(dev->udev, usb_sndctrlpipe(dev->udev, 0), cmd, reqtype, value, index, buf, size, diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index ea9890d..f365846 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -2230,14 +2230,8 @@ static bool virtnet_validate_features(struct virtio_device *vdev) #define MIN_MTU ETH_MIN_MTU #define MAX_MTU ETH_MAX_MTU -static int virtnet_probe(struct virtio_device *vdev) +static int virtnet_validate(struct virtio_device *vdev) { - int i, err; - struct net_device *dev; - struct virtnet_info *vi; - u16 max_queue_pairs; - int mtu; - if (!vdev->config->get) { dev_err(&vdev->dev, "%s failure: config access disabled\n", __func__); @@ -2247,6 +2241,25 @@ static int virtnet_probe(struct virtio_device *vdev) if (!virtnet_validate_features(vdev)) return -EINVAL; + if (virtio_has_feature(vdev, VIRTIO_NET_F_MTU)) { + int mtu = virtio_cread16(vdev, + offsetof(struct virtio_net_config, + mtu)); + if (mtu < MIN_MTU) + __virtio_clear_bit(vdev, VIRTIO_NET_F_MTU); + } + + return 0; +} + +static int virtnet_probe(struct virtio_device *vdev) +{ + int i, err; + struct net_device *dev; + struct virtnet_info *vi; + u16 max_queue_pairs; + int mtu; + /* Find if host supports multiqueue virtio_net device */ err = virtio_cread_feature(vdev, VIRTIO_NET_F_MQ, struct virtio_net_config, @@ -2362,11 +2375,20 @@ static int virtnet_probe(struct virtio_device *vdev) offsetof(struct virtio_net_config, mtu)); if (mtu < dev->min_mtu) { - __virtio_clear_bit(vdev, VIRTIO_NET_F_MTU); - } else { - dev->mtu = mtu; - dev->max_mtu = mtu; + /* Should never trigger: MTU was previously validated + * in virtnet_validate. + */ + dev_err(&vdev->dev, "device MTU appears to have changed " + "it is now %d < %d", mtu, dev->min_mtu); + goto free_stats; } + + dev->mtu = mtu; + dev->max_mtu = mtu; + + /* TODO: size buffers correctly in this case. */ + if (dev->mtu > ETH_DATA_LEN) + vi->big_packets = true; } if (vi->any_header_sg) @@ -2544,6 +2566,7 @@ static struct virtio_driver virtio_net_driver = { .driver.name = KBUILD_MODNAME, .driver.owner = THIS_MODULE, .id_table = id_table, + .validate = virtnet_validate, .probe = virtnet_probe, .remove = virtnet_remove, .config_changed = virtnet_config_changed, diff --git a/drivers/net/vrf.c b/drivers/net/vrf.c index 22379da..d6988db 100644 --- a/drivers/net/vrf.c +++ b/drivers/net/vrf.c @@ -340,6 +340,7 @@ static netdev_tx_t is_ip_tx_frame(struct sk_buff *skb, struct net_device *dev) static netdev_tx_t vrf_xmit(struct sk_buff *skb, struct net_device *dev) { + int len = skb->len; netdev_tx_t ret = is_ip_tx_frame(skb, dev); if (likely(ret == NET_XMIT_SUCCESS || ret == NET_XMIT_CN)) { @@ -347,7 +348,7 @@ static netdev_tx_t vrf_xmit(struct sk_buff *skb, struct net_device *dev) u64_stats_update_begin(&dstats->syncp); dstats->tx_pkts++; - dstats->tx_bytes += skb->len; + dstats->tx_bytes += len; u64_stats_update_end(&dstats->syncp); } else { this_cpu_inc(dev->dstats->tx_drps); @@ -461,8 +462,10 @@ static void vrf_rt6_release(struct net_device *dev, struct net_vrf *vrf) } if (rt6_local) { - if (rt6_local->rt6i_idev) + if (rt6_local->rt6i_idev) { in6_dev_put(rt6_local->rt6i_idev); + rt6_local->rt6i_idev = NULL; + } dst = &rt6_local->dst; dev_put(dst->dev); diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c index e375560..bdb6ae1 100644 --- a/drivers/net/vxlan.c +++ b/drivers/net/vxlan.c @@ -2976,6 +2976,44 @@ static int vxlan_dev_configure(struct net *src_net, struct net_device *dev, return 0; } +static int __vxlan_dev_create(struct net *net, struct net_device *dev, + struct vxlan_config *conf) +{ + struct vxlan_net *vn = net_generic(net, vxlan_net_id); + struct vxlan_dev *vxlan = netdev_priv(dev); + int err; + + err = vxlan_dev_configure(net, dev, conf, false); + if (err) + return err; + + dev->ethtool_ops = &vxlan_ethtool_ops; + + /* create an fdb entry for a valid default destination */ + if (!vxlan_addr_any(&vxlan->default_dst.remote_ip)) { + err = vxlan_fdb_create(vxlan, all_zeros_mac, + &vxlan->default_dst.remote_ip, + NUD_REACHABLE | NUD_PERMANENT, + NLM_F_EXCL | NLM_F_CREATE, + vxlan->cfg.dst_port, + vxlan->default_dst.remote_vni, + vxlan->default_dst.remote_vni, + vxlan->default_dst.remote_ifindex, + NTF_SELF); + if (err) + return err; + } + + err = register_netdevice(dev); + if (err) { + vxlan_fdb_delete_default(vxlan, vxlan->default_dst.remote_vni); + return err; + } + + list_add(&vxlan->next, &vn->vxlan_list); + return 0; +} + static int vxlan_nl2conf(struct nlattr *tb[], struct nlattr *data[], struct net_device *dev, struct vxlan_config *conf, bool changelink) @@ -3172,8 +3210,6 @@ static int vxlan_nl2conf(struct nlattr *tb[], struct nlattr *data[], static int vxlan_newlink(struct net *src_net, struct net_device *dev, struct nlattr *tb[], struct nlattr *data[]) { - struct vxlan_net *vn = net_generic(src_net, vxlan_net_id); - struct vxlan_dev *vxlan = netdev_priv(dev); struct vxlan_config conf; int err; @@ -3181,36 +3217,7 @@ static int vxlan_newlink(struct net *src_net, struct net_device *dev, if (err) return err; - err = vxlan_dev_configure(src_net, dev, &conf, false); - if (err) - return err; - - dev->ethtool_ops = &vxlan_ethtool_ops; - - /* create an fdb entry for a valid default destination */ - if (!vxlan_addr_any(&vxlan->default_dst.remote_ip)) { - err = vxlan_fdb_create(vxlan, all_zeros_mac, - &vxlan->default_dst.remote_ip, - NUD_REACHABLE | NUD_PERMANENT, - NLM_F_EXCL | NLM_F_CREATE, - vxlan->cfg.dst_port, - vxlan->default_dst.remote_vni, - vxlan->default_dst.remote_vni, - vxlan->default_dst.remote_ifindex, - NTF_SELF); - if (err) - return err; - } - - err = register_netdevice(dev); - if (err) { - vxlan_fdb_delete_default(vxlan, vxlan->default_dst.remote_vni); - return err; - } - - list_add(&vxlan->next, &vn->vxlan_list); - - return 0; + return __vxlan_dev_create(src_net, dev, &conf); } static int vxlan_changelink(struct net_device *dev, struct nlattr *tb[], @@ -3440,7 +3447,7 @@ struct net_device *vxlan_dev_create(struct net *net, const char *name, if (IS_ERR(dev)) return dev; - err = vxlan_dev_configure(net, dev, conf, false); + err = __vxlan_dev_create(net, dev, conf); if (err < 0) { free_netdev(dev); return ERR_PTR(err); diff --git a/drivers/net/wan/fsl_ucc_hdlc.c b/drivers/net/wan/fsl_ucc_hdlc.c index a5045b5..6742ae6 100644 --- a/drivers/net/wan/fsl_ucc_hdlc.c +++ b/drivers/net/wan/fsl_ucc_hdlc.c @@ -381,8 +381,8 @@ static netdev_tx_t ucc_hdlc_tx(struct sk_buff *skb, struct net_device *dev) /* set bd status and length */ bd_status = (bd_status & T_W_S) | T_R_S | T_I_S | T_L_S | T_TC_S; - iowrite16be(bd_status, &bd->status); iowrite16be(skb->len, &bd->length); + iowrite16be(bd_status, &bd->status); /* Move to next BD in the ring */ if (!(bd_status & T_W_S)) @@ -457,7 +457,7 @@ static int hdlc_rx_done(struct ucc_hdlc_private *priv, int rx_work_limit) struct sk_buff *skb; hdlc_device *hdlc = dev_to_hdlc(dev); struct qe_bd *bd; - u32 bd_status; + u16 bd_status; u16 length, howmany = 0; u8 *bdbuffer; int i; diff --git a/drivers/net/wimax/i2400m/usb.c b/drivers/net/wimax/i2400m/usb.c index e7f5910..f8eb66e 100644 --- a/drivers/net/wimax/i2400m/usb.c +++ b/drivers/net/wimax/i2400m/usb.c @@ -467,6 +467,9 @@ int i2400mu_probe(struct usb_interface *iface, struct i2400mu *i2400mu; struct usb_device *usb_dev = interface_to_usbdev(iface); + if (iface->cur_altsetting->desc.bNumEndpoints < 4) + return -ENODEV; + if (usb_dev->speed != USB_SPEED_HIGH) dev_err(dev, "device not connected as high speed\n"); diff --git a/drivers/net/wireless/ath/ath10k/hw.c b/drivers/net/wireless/ath/ath10k/hw.c index 33fb268..d9f37ee 100644 --- a/drivers/net/wireless/ath/ath10k/hw.c +++ b/drivers/net/wireless/ath/ath10k/hw.c @@ -51,7 +51,7 @@ const struct ath10k_hw_regs qca6174_regs = { .rtc_soc_base_address = 0x00000800, .rtc_wmac_base_address = 0x00001000, .soc_core_base_address = 0x0003a000, - .wlan_mac_base_address = 0x00020000, + .wlan_mac_base_address = 0x00010000, .ce_wrapper_base_address = 0x00034000, .ce0_base_address = 0x00034400, .ce1_base_address = 0x00034800, diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c index de19c7c..85d949e 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/p2p.c @@ -2238,14 +2238,16 @@ int brcmf_p2p_del_vif(struct wiphy *wiphy, struct wireless_dev *wdev) struct brcmf_cfg80211_info *cfg = wiphy_priv(wiphy); struct brcmf_p2p_info *p2p = &cfg->p2p; struct brcmf_cfg80211_vif *vif; + enum nl80211_iftype iftype; bool wait_for_disable = false; int err; brcmf_dbg(TRACE, "delete P2P vif\n"); vif = container_of(wdev, struct brcmf_cfg80211_vif, wdev); + iftype = vif->wdev.iftype; brcmf_cfg80211_arm_vif_event(cfg, vif); - switch (vif->wdev.iftype) { + switch (iftype) { case NL80211_IFTYPE_P2P_CLIENT: if (test_bit(BRCMF_VIF_STATUS_DISCONNECTING, &vif->sme_state)) wait_for_disable = true; @@ -2275,7 +2277,7 @@ int brcmf_p2p_del_vif(struct wiphy *wiphy, struct wireless_dev *wdev) BRCMF_P2P_DISABLE_TIMEOUT); err = 0; - if (vif->wdev.iftype != NL80211_IFTYPE_P2P_DEVICE) { + if (iftype != NL80211_IFTYPE_P2P_DEVICE) { brcmf_vif_clear_mgmt_ies(vif); err = brcmf_p2p_release_p2p_if(vif); } @@ -2291,7 +2293,7 @@ int brcmf_p2p_del_vif(struct wiphy *wiphy, struct wireless_dev *wdev) brcmf_remove_interface(vif->ifp, true); brcmf_cfg80211_arm_vif_event(cfg, NULL); - if (vif->wdev.iftype != NL80211_IFTYPE_P2P_DEVICE) + if (iftype != NL80211_IFTYPE_P2P_DEVICE) p2p->bss_idx[P2PAPI_BSSCFG_CONNECTION].vif = NULL; return err; diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c b/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c index a260cd5..077bfd8 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/debugfs.c @@ -1056,6 +1056,8 @@ static ssize_t iwl_dbgfs_fw_dbg_collect_write(struct iwl_mvm *mvm, if (ret) return ret; + if (count == 0) + return 0; iwl_mvm_fw_dbg_collect(mvm, FW_DBG_TRIGGER_USER, buf, (count - 1), NULL); diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c b/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c index 99132ea..c5734e1 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c @@ -216,7 +216,8 @@ u32 iwl_mvm_mac_get_queues_mask(struct ieee80211_vif *vif) qmask |= BIT(vif->hw_queue[ac]); } - if (vif->type == NL80211_IFTYPE_AP) + if (vif->type == NL80211_IFTYPE_AP || + vif->type == NL80211_IFTYPE_ADHOC) qmask |= BIT(vif->cab_queue); return qmask; diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c index d37b169..486dcce 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/mac80211.c @@ -2319,7 +2319,7 @@ iwl_mvm_mac_release_buffered_frames(struct ieee80211_hw *hw, { struct iwl_mvm *mvm = IWL_MAC80211_GET_MVM(hw); - /* Called when we need to transmit (a) frame(s) from agg queue */ + /* Called when we need to transmit (a) frame(s) from agg or dqa queue */ iwl_mvm_sta_modify_sleep_tx_count(mvm, sta, reason, num_frames, tids, more_data, true); @@ -2338,7 +2338,8 @@ static void __iwl_mvm_mac_sta_notify(struct ieee80211_hw *hw, for (tid = 0; tid < IWL_MAX_TID_COUNT; tid++) { struct iwl_mvm_tid_data *tid_data = &mvmsta->tid_data[tid]; - if (tid_data->state != IWL_AGG_ON && + if (!iwl_mvm_is_dqa_supported(mvm) && + tid_data->state != IWL_AGG_ON && tid_data->state != IWL_EMPTYING_HW_QUEUE_DELBA) continue; @@ -2400,7 +2401,7 @@ void iwl_mvm_sta_pm_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb) return; rcu_read_lock(); - sta = mvm->fw_id_to_mac_id[notif->sta_id]; + sta = rcu_dereference(mvm->fw_id_to_mac_id[notif->sta_id]); if (WARN_ON(IS_ERR_OR_NULL(sta))) { rcu_read_unlock(); return; diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/sta.c b/drivers/net/wireless/intel/iwlwifi/mvm/sta.c index bd1dcc8..9d28db7 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/sta.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/sta.c @@ -1806,7 +1806,8 @@ int iwl_mvm_send_add_bcast_sta(struct iwl_mvm *mvm, struct ieee80211_vif *vif) iwl_mvm_get_wd_timeout(mvm, vif, false, false); int queue; - if (vif->type == NL80211_IFTYPE_AP) + if (vif->type == NL80211_IFTYPE_AP || + vif->type == NL80211_IFTYPE_ADHOC) queue = IWL_MVM_DQA_AP_PROBE_RESP_QUEUE; else if (vif->type == NL80211_IFTYPE_P2P_DEVICE) queue = IWL_MVM_DQA_P2P_DEVICE_QUEUE; @@ -1837,7 +1838,8 @@ int iwl_mvm_send_add_bcast_sta(struct iwl_mvm *mvm, struct ieee80211_vif *vif) * enabled-cab_queue to the mask) */ if (iwl_mvm_is_dqa_supported(mvm) && - vif->type == NL80211_IFTYPE_AP) { + (vif->type == NL80211_IFTYPE_AP || + vif->type == NL80211_IFTYPE_ADHOC)) { struct iwl_trans_txq_scd_cfg cfg = { .fifo = IWL_MVM_TX_FIFO_MCAST, .sta_id = mvmvif->bcast_sta.sta_id, @@ -1862,7 +1864,8 @@ static void iwl_mvm_free_bcast_sta_queues(struct iwl_mvm *mvm, lockdep_assert_held(&mvm->mutex); - if (vif->type == NL80211_IFTYPE_AP) + if (vif->type == NL80211_IFTYPE_AP || + vif->type == NL80211_IFTYPE_ADHOC) iwl_mvm_disable_txq(mvm, vif->cab_queue, vif->cab_queue, IWL_MAX_TID_COUNT, 0); @@ -3135,7 +3138,7 @@ void iwl_mvm_sta_modify_sleep_tx_count(struct iwl_mvm *mvm, struct ieee80211_sta *sta, enum ieee80211_frame_release_type reason, u16 cnt, u16 tids, bool more_data, - bool agg) + bool single_sta_queue) { struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta); struct iwl_mvm_add_sta_cmd cmd = { @@ -3155,14 +3158,14 @@ void iwl_mvm_sta_modify_sleep_tx_count(struct iwl_mvm *mvm, for_each_set_bit(tid, &_tids, IWL_MAX_TID_COUNT) cmd.awake_acs |= BIT(tid_to_ucode_ac[tid]); - /* If we're releasing frames from aggregation queues then check if the - * all queues combined that we're releasing frames from have + /* If we're releasing frames from aggregation or dqa queues then check + * if all the queues that we're releasing frames from, combined, have: * - more frames than the service period, in which case more_data * needs to be set * - fewer than 'cnt' frames, in which case we need to adjust the * firmware command (but do that unconditionally) */ - if (agg) { + if (single_sta_queue) { int remaining = cnt; int sleep_tx_count; @@ -3172,7 +3175,8 @@ void iwl_mvm_sta_modify_sleep_tx_count(struct iwl_mvm *mvm, u16 n_queued; tid_data = &mvmsta->tid_data[tid]; - if (WARN(tid_data->state != IWL_AGG_ON && + if (WARN(!iwl_mvm_is_dqa_supported(mvm) && + tid_data->state != IWL_AGG_ON && tid_data->state != IWL_EMPTYING_HW_QUEUE_DELBA, "TID %d state is %d\n", tid, tid_data->state)) { diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/sta.h b/drivers/net/wireless/intel/iwlwifi/mvm/sta.h index 4be34f9..1927ce6 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/sta.h +++ b/drivers/net/wireless/intel/iwlwifi/mvm/sta.h @@ -547,7 +547,7 @@ void iwl_mvm_sta_modify_sleep_tx_count(struct iwl_mvm *mvm, struct ieee80211_sta *sta, enum ieee80211_frame_release_type reason, u16 cnt, u16 tids, bool more_data, - bool agg); + bool single_sta_queue); int iwl_mvm_drain_sta(struct iwl_mvm *mvm, struct iwl_mvm_sta *mvmsta, bool drain); void iwl_mvm_sta_modify_disable_tx(struct iwl_mvm *mvm, diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/tx.c b/drivers/net/wireless/intel/iwlwifi/mvm/tx.c index dd2b4a3..1ba0a6f 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/tx.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/tx.c @@ -7,7 +7,7 @@ * * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH - * Copyright(c) 2016 Intel Deutschland GmbH + * Copyright(c) 2016 - 2017 Intel Deutschland GmbH * * This program is free software; you can redistribute it and/or modify * it under the terms of version 2 of the GNU General Public License as @@ -34,6 +34,7 @@ * * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved. * Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH + * Copyright(c) 2016 - 2017 Intel Deutschland GmbH * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -505,6 +506,7 @@ static int iwl_mvm_get_ctrl_vif_queue(struct iwl_mvm *mvm, switch (info->control.vif->type) { case NL80211_IFTYPE_AP: + case NL80211_IFTYPE_ADHOC: /* * Handle legacy hostapd as well, where station may be added * only after assoc. Take care of the case where we send a @@ -516,7 +518,8 @@ static int iwl_mvm_get_ctrl_vif_queue(struct iwl_mvm *mvm, if (info->hw_queue == info->control.vif->cab_queue) return info->hw_queue; - WARN_ONCE(1, "fc=0x%02x", le16_to_cpu(fc)); + WARN_ONCE(info->control.vif->type != NL80211_IFTYPE_ADHOC, + "fc=0x%02x", le16_to_cpu(fc)); return IWL_MVM_DQA_AP_PROBE_RESP_QUEUE; case NL80211_IFTYPE_P2P_DEVICE: if (ieee80211_is_mgmt(fc)) @@ -583,7 +586,8 @@ int iwl_mvm_tx_skb_non_sta(struct iwl_mvm *mvm, struct sk_buff *skb) iwl_mvm_vif_from_mac80211(info.control.vif); if (info.control.vif->type == NL80211_IFTYPE_P2P_DEVICE || - info.control.vif->type == NL80211_IFTYPE_AP) { + info.control.vif->type == NL80211_IFTYPE_AP || + info.control.vif->type == NL80211_IFTYPE_ADHOC) { sta_id = mvmvif->bcast_sta.sta_id; queue = iwl_mvm_get_ctrl_vif_queue(mvm, &info, hdr->frame_control); @@ -628,8 +632,10 @@ int iwl_mvm_tx_skb_non_sta(struct iwl_mvm *mvm, struct sk_buff *skb) * values. * Note that we don't need to make sure it isn't agg'd, since we're * TXing non-sta + * For DQA mode - we shouldn't increase it though */ - atomic_inc(&mvm->pending_frames[sta_id]); + if (!iwl_mvm_is_dqa_supported(mvm)) + atomic_inc(&mvm->pending_frames[sta_id]); return 0; } @@ -1005,11 +1011,8 @@ static int iwl_mvm_tx_mpdu(struct iwl_mvm *mvm, struct sk_buff *skb, spin_unlock(&mvmsta->lock); - /* Increase pending frames count if this isn't AMPDU */ - if ((iwl_mvm_is_dqa_supported(mvm) && - mvmsta->tid_data[tx_cmd->tid_tspec].state != IWL_AGG_ON && - mvmsta->tid_data[tx_cmd->tid_tspec].state != IWL_AGG_STARTING) || - (!iwl_mvm_is_dqa_supported(mvm) && !is_ampdu)) + /* Increase pending frames count if this isn't AMPDU or DQA queue */ + if (!iwl_mvm_is_dqa_supported(mvm) && !is_ampdu) atomic_inc(&mvm->pending_frames[mvmsta->sta_id]); return 0; @@ -1079,12 +1082,13 @@ static void iwl_mvm_check_ratid_empty(struct iwl_mvm *mvm, lockdep_assert_held(&mvmsta->lock); if ((tid_data->state == IWL_AGG_ON || - tid_data->state == IWL_EMPTYING_HW_QUEUE_DELBA) && + tid_data->state == IWL_EMPTYING_HW_QUEUE_DELBA || + iwl_mvm_is_dqa_supported(mvm)) && iwl_mvm_tid_queued(tid_data) == 0) { /* - * Now that this aggregation queue is empty tell mac80211 so it - * knows we no longer have frames buffered for the station on - * this TID (for the TIM bitmap calculation.) + * Now that this aggregation or DQA queue is empty tell + * mac80211 so it knows we no longer have frames buffered for + * the station on this TID (for the TIM bitmap calculation.) */ ieee80211_sta_set_buffered(sta, tid, false); } @@ -1257,7 +1261,6 @@ static void iwl_mvm_rx_tx_cmd_single(struct iwl_mvm *mvm, u8 skb_freed = 0; u16 next_reclaimed, seq_ctl; bool is_ndp = false; - bool txq_agg = false; /* Is this TXQ aggregated */ __skb_queue_head_init(&skbs); @@ -1283,6 +1286,10 @@ static void iwl_mvm_rx_tx_cmd_single(struct iwl_mvm *mvm, info->flags |= IEEE80211_TX_STAT_ACK; break; case TX_STATUS_FAIL_DEST_PS: + /* In DQA, the FW should have stopped the queue and not + * return this status + */ + WARN_ON(iwl_mvm_is_dqa_supported(mvm)); info->flags |= IEEE80211_TX_STAT_TX_FILTERED; break; default: @@ -1387,15 +1394,6 @@ static void iwl_mvm_rx_tx_cmd_single(struct iwl_mvm *mvm, bool send_eosp_ndp = false; spin_lock_bh(&mvmsta->lock); - if (iwl_mvm_is_dqa_supported(mvm)) { - enum iwl_mvm_agg_state state; - - state = mvmsta->tid_data[tid].state; - txq_agg = (state == IWL_AGG_ON || - state == IWL_EMPTYING_HW_QUEUE_DELBA); - } else { - txq_agg = txq_id >= mvm->first_agg_queue; - } if (!is_ndp) { tid_data->next_reclaimed = next_reclaimed; @@ -1452,11 +1450,11 @@ static void iwl_mvm_rx_tx_cmd_single(struct iwl_mvm *mvm, * If the txq is not an AMPDU queue, there is no chance we freed * several skbs. Check that out... */ - if (txq_agg) + if (iwl_mvm_is_dqa_supported(mvm) || txq_id >= mvm->first_agg_queue) goto out; /* We can't free more than one frame at once on a shared queue */ - WARN_ON(!iwl_mvm_is_dqa_supported(mvm) && (skb_freed > 1)); + WARN_ON(skb_freed > 1); /* If we have still frames for this STA nothing to do here */ if (!atomic_sub_and_test(skb_freed, &mvm->pending_frames[sta_id])) diff --git a/drivers/net/wireless/marvell/mwifiex/main.c b/drivers/net/wireless/marvell/mwifiex/main.c index 5ebca1d..b62e03d 100644 --- a/drivers/net/wireless/marvell/mwifiex/main.c +++ b/drivers/net/wireless/marvell/mwifiex/main.c @@ -57,8 +57,8 @@ MODULE_PARM_DESC(mfg_mode, "manufacturing mode enable:1, disable:0"); * In case of any errors during inittialization, this function also ensures * proper cleanup before exiting. */ -static int mwifiex_register(void *card, struct mwifiex_if_ops *if_ops, - void **padapter) +static int mwifiex_register(void *card, struct device *dev, + struct mwifiex_if_ops *if_ops, void **padapter) { struct mwifiex_adapter *adapter; int i; @@ -68,6 +68,7 @@ static int mwifiex_register(void *card, struct mwifiex_if_ops *if_ops, return -ENOMEM; *padapter = adapter; + adapter->dev = dev; adapter->card = card; /* Save interface specific operations in adapter */ @@ -1568,12 +1569,11 @@ mwifiex_add_card(void *card, struct completion *fw_done, { struct mwifiex_adapter *adapter; - if (mwifiex_register(card, if_ops, (void **)&adapter)) { + if (mwifiex_register(card, dev, if_ops, (void **)&adapter)) { pr_err("%s: software init failed\n", __func__); goto err_init_sw; } - adapter->dev = dev; mwifiex_probe_of(adapter); adapter->iface_type = iface_type; @@ -1718,6 +1718,9 @@ int mwifiex_remove_card(struct mwifiex_adapter *adapter) wiphy_unregister(adapter->wiphy); wiphy_free(adapter->wiphy); + if (adapter->irq_wakeup >= 0) + device_init_wakeup(adapter->dev, false); + /* Unregister device */ mwifiex_dbg(adapter, INFO, "info: unregister device\n"); diff --git a/drivers/net/wireless/marvell/mwifiex/pcie.c b/drivers/net/wireless/marvell/mwifiex/pcie.c index a0d9180..b8c990d 100644 --- a/drivers/net/wireless/marvell/mwifiex/pcie.c +++ b/drivers/net/wireless/marvell/mwifiex/pcie.c @@ -2739,6 +2739,21 @@ static void mwifiex_pcie_device_dump(struct mwifiex_adapter *adapter) schedule_work(&card->work); } +static void mwifiex_pcie_free_buffers(struct mwifiex_adapter *adapter) +{ + struct pcie_service_card *card = adapter->card; + const struct mwifiex_pcie_card_reg *reg = card->pcie.reg; + + if (reg->sleep_cookie) + mwifiex_pcie_delete_sleep_cookie_buf(adapter); + + mwifiex_pcie_delete_cmdrsp_buf(adapter); + mwifiex_pcie_delete_evtbd_ring(adapter); + mwifiex_pcie_delete_rxbd_ring(adapter); + mwifiex_pcie_delete_txbd_ring(adapter); + card->cmdrsp_buf = NULL; +} + /* * This function initializes the PCI-E host memory space, WCB rings, etc. * @@ -2850,13 +2865,6 @@ err_enable_dev: /* * This function cleans up the allocated card buffers. - * - * The following are freed by this function - - * - TXBD ring buffers - * - RXBD ring buffers - * - Event BD ring buffers - * - Command response ring buffer - * - Sleep cookie buffer */ static void mwifiex_cleanup_pcie(struct mwifiex_adapter *adapter) { @@ -2875,6 +2883,8 @@ static void mwifiex_cleanup_pcie(struct mwifiex_adapter *adapter) "Failed to write driver not-ready signature\n"); } + mwifiex_pcie_free_buffers(adapter); + if (pdev) { pci_iounmap(pdev, card->pci_mmap); pci_iounmap(pdev, card->pci_mmap1); @@ -3126,10 +3136,7 @@ err_cre_txbd: pci_iounmap(pdev, card->pci_mmap1); } -/* This function cleans up the PCI-E host memory space. - * Some code is extracted from mwifiex_unregister_dev() - * - */ +/* This function cleans up the PCI-E host memory space. */ static void mwifiex_pcie_down_dev(struct mwifiex_adapter *adapter) { struct pcie_service_card *card = adapter->card; @@ -3140,14 +3147,7 @@ static void mwifiex_pcie_down_dev(struct mwifiex_adapter *adapter) adapter->seq_num = 0; - if (reg->sleep_cookie) - mwifiex_pcie_delete_sleep_cookie_buf(adapter); - - mwifiex_pcie_delete_cmdrsp_buf(adapter); - mwifiex_pcie_delete_evtbd_ring(adapter); - mwifiex_pcie_delete_rxbd_ring(adapter); - mwifiex_pcie_delete_txbd_ring(adapter); - card->cmdrsp_buf = NULL; + mwifiex_pcie_free_buffers(adapter); } static struct mwifiex_if_ops pcie_ops = { diff --git a/drivers/net/wireless/realtek/rtlwifi/base.c b/drivers/net/wireless/realtek/rtlwifi/base.c index caea350..bdc3791 100644 --- a/drivers/net/wireless/realtek/rtlwifi/base.c +++ b/drivers/net/wireless/realtek/rtlwifi/base.c @@ -1742,12 +1742,14 @@ void rtl_c2hcmd_enqueue(struct ieee80211_hw *hw, u8 tag, u8 len, u8 *val) unsigned long flags; struct rtl_c2hcmd *c2hcmd; - c2hcmd = kmalloc(sizeof(*c2hcmd), GFP_KERNEL); + c2hcmd = kmalloc(sizeof(*c2hcmd), + in_interrupt() ? GFP_ATOMIC : GFP_KERNEL); if (!c2hcmd) goto label_err; - c2hcmd->val = kmalloc(len, GFP_KERNEL); + c2hcmd->val = kmalloc(len, + in_interrupt() ? GFP_ATOMIC : GFP_KERNEL); if (!c2hcmd->val) goto label_err2; diff --git a/drivers/net/xen-netback/interface.c b/drivers/net/xen-netback/interface.c index 829b26c..8397f6c 100644 --- a/drivers/net/xen-netback/interface.c +++ b/drivers/net/xen-netback/interface.c @@ -165,13 +165,17 @@ static int xenvif_start_xmit(struct sk_buff *skb, struct net_device *dev) { struct xenvif *vif = netdev_priv(dev); struct xenvif_queue *queue = NULL; - unsigned int num_queues = vif->num_queues; + unsigned int num_queues; u16 index; struct xenvif_rx_cb *cb; BUG_ON(skb->dev != dev); - /* Drop the packet if queues are not set up */ + /* Drop the packet if queues are not set up. + * This handler should be called inside an RCU read section + * so we don't need to enter it here explicitly. + */ + num_queues = READ_ONCE(vif->num_queues); if (num_queues < 1) goto drop; @@ -222,18 +226,18 @@ static struct net_device_stats *xenvif_get_stats(struct net_device *dev) { struct xenvif *vif = netdev_priv(dev); struct xenvif_queue *queue = NULL; + unsigned int num_queues; u64 rx_bytes = 0; u64 rx_packets = 0; u64 tx_bytes = 0; u64 tx_packets = 0; unsigned int index; - spin_lock(&vif->lock); - if (vif->queues == NULL) - goto out; + rcu_read_lock(); + num_queues = READ_ONCE(vif->num_queues); /* Aggregate tx and rx stats from each queue */ - for (index = 0; index < vif->num_queues; ++index) { + for (index = 0; index < num_queues; ++index) { queue = &vif->queues[index]; rx_bytes += queue->stats.rx_bytes; rx_packets += queue->stats.rx_packets; @@ -241,8 +245,7 @@ static struct net_device_stats *xenvif_get_stats(struct net_device *dev) tx_packets += queue->stats.tx_packets; } -out: - spin_unlock(&vif->lock); + rcu_read_unlock(); vif->dev->stats.rx_bytes = rx_bytes; vif->dev->stats.rx_packets = rx_packets; @@ -378,10 +381,13 @@ static void xenvif_get_ethtool_stats(struct net_device *dev, struct ethtool_stats *stats, u64 * data) { struct xenvif *vif = netdev_priv(dev); - unsigned int num_queues = vif->num_queues; + unsigned int num_queues; int i; unsigned int queue_index; + rcu_read_lock(); + num_queues = READ_ONCE(vif->num_queues); + for (i = 0; i < ARRAY_SIZE(xenvif_stats); i++) { unsigned long accum = 0; for (queue_index = 0; queue_index < num_queues; ++queue_index) { @@ -390,6 +396,8 @@ static void xenvif_get_ethtool_stats(struct net_device *dev, } data[i] = accum; } + + rcu_read_unlock(); } static void xenvif_get_strings(struct net_device *dev, u32 stringset, u8 * data) diff --git a/drivers/net/xen-netback/netback.c b/drivers/net/xen-netback/netback.c index f9bcf4a..602d408 100644 --- a/drivers/net/xen-netback/netback.c +++ b/drivers/net/xen-netback/netback.c @@ -214,7 +214,7 @@ static void xenvif_fatal_tx_err(struct xenvif *vif) netdev_err(vif->dev, "fatal error; disabling device\n"); vif->disabled = true; /* Disable the vif from queue 0's kthread */ - if (vif->queues) + if (vif->num_queues) xenvif_kick_thread(&vif->queues[0]); } diff --git a/drivers/net/xen-netback/xenbus.c b/drivers/net/xen-netback/xenbus.c index d2d7cd9..a56d3ea 100644 --- a/drivers/net/xen-netback/xenbus.c +++ b/drivers/net/xen-netback/xenbus.c @@ -495,26 +495,26 @@ static void backend_disconnect(struct backend_info *be) struct xenvif *vif = be->vif; if (vif) { + unsigned int num_queues = vif->num_queues; unsigned int queue_index; - struct xenvif_queue *queues; xen_unregister_watchers(vif); #ifdef CONFIG_DEBUG_FS xenvif_debugfs_delif(vif); #endif /* CONFIG_DEBUG_FS */ xenvif_disconnect_data(vif); - for (queue_index = 0; - queue_index < vif->num_queues; - ++queue_index) - xenvif_deinit_queue(&vif->queues[queue_index]); - spin_lock(&vif->lock); - queues = vif->queues; + /* At this point some of the handlers may still be active + * so we need to have additional synchronization here. + */ vif->num_queues = 0; - vif->queues = NULL; - spin_unlock(&vif->lock); + synchronize_net(); - vfree(queues); + for (queue_index = 0; queue_index < num_queues; ++queue_index) + xenvif_deinit_queue(&vif->queues[queue_index]); + + vfree(vif->queues); + vif->queues = NULL; xenvif_disconnect_ctrl(vif); } diff --git a/drivers/nvdimm/bus.c b/drivers/nvdimm/bus.c index 23d4a17..351bac8 100644 --- a/drivers/nvdimm/bus.c +++ b/drivers/nvdimm/bus.c @@ -934,8 +934,14 @@ static int __nd_ioctl(struct nvdimm_bus *nvdimm_bus, struct nvdimm *nvdimm, rc = nd_desc->ndctl(nd_desc, nvdimm, cmd, buf, buf_len, NULL); if (rc < 0) goto out_unlock; + nvdimm_bus_unlock(&nvdimm_bus->dev); + if (copy_to_user(p, buf, buf_len)) rc = -EFAULT; + + vfree(buf); + return rc; + out_unlock: nvdimm_bus_unlock(&nvdimm_bus->dev); out: diff --git a/drivers/nvdimm/claim.c b/drivers/nvdimm/claim.c index b3323c0..ca6d572 100644 --- a/drivers/nvdimm/claim.c +++ b/drivers/nvdimm/claim.c @@ -243,7 +243,15 @@ static int nsio_rw_bytes(struct nd_namespace_common *ndns, } if (unlikely(is_bad_pmem(&nsio->bb, sector, sz_align))) { - if (IS_ALIGNED(offset, 512) && IS_ALIGNED(size, 512)) { + /* + * FIXME: nsio_rw_bytes() may be called from atomic + * context in the btt case and nvdimm_clear_poison() + * takes a sleeping lock. Until the locking can be + * reworked this capability requires that the namespace + * is not claimed by btt. + */ + if (IS_ALIGNED(offset, 512) && IS_ALIGNED(size, 512) + && (!ndns->claim || !is_nd_btt(ndns->claim))) { long cleared; cleared = nvdimm_clear_poison(&ndns->dev, offset, size); diff --git a/drivers/nvdimm/dimm_devs.c b/drivers/nvdimm/dimm_devs.c index 0eedc49..8b72132 100644 --- a/drivers/nvdimm/dimm_devs.c +++ b/drivers/nvdimm/dimm_devs.c @@ -395,7 +395,7 @@ EXPORT_SYMBOL_GPL(nvdimm_create); int alias_dpa_busy(struct device *dev, void *data) { - resource_size_t map_end, blk_start, new, busy; + resource_size_t map_end, blk_start, new; struct blk_alloc_info *info = data; struct nd_mapping *nd_mapping; struct nd_region *nd_region; @@ -436,29 +436,19 @@ int alias_dpa_busy(struct device *dev, void *data) retry: /* * Find the free dpa from the end of the last pmem allocation to - * the end of the interleave-set mapping that is not already - * covered by a blk allocation. + * the end of the interleave-set mapping. */ - busy = 0; for_each_dpa_resource(ndd, res) { + if (strncmp(res->name, "pmem", 4) != 0) + continue; if ((res->start >= blk_start && res->start < map_end) || (res->end >= blk_start && res->end <= map_end)) { - if (strncmp(res->name, "pmem", 4) == 0) { - new = max(blk_start, min(map_end + 1, - res->end + 1)); - if (new != blk_start) { - blk_start = new; - goto retry; - } - } else - busy += min(map_end, res->end) - - max(nd_mapping->start, res->start) + 1; - } else if (nd_mapping->start > res->start - && map_end < res->end) { - /* total eclipse of the PMEM region mapping */ - busy += nd_mapping->size; - break; + new = max(blk_start, min(map_end + 1, res->end + 1)); + if (new != blk_start) { + blk_start = new; + goto retry; + } } } @@ -470,52 +460,11 @@ int alias_dpa_busy(struct device *dev, void *data) return 1; } - info->available -= blk_start - nd_mapping->start + busy; + info->available -= blk_start - nd_mapping->start; return 0; } -static int blk_dpa_busy(struct device *dev, void *data) -{ - struct blk_alloc_info *info = data; - struct nd_mapping *nd_mapping; - struct nd_region *nd_region; - resource_size_t map_end; - int i; - - if (!is_nd_pmem(dev)) - return 0; - - nd_region = to_nd_region(dev); - for (i = 0; i < nd_region->ndr_mappings; i++) { - nd_mapping = &nd_region->mapping[i]; - if (nd_mapping->nvdimm == info->nd_mapping->nvdimm) - break; - } - - if (i >= nd_region->ndr_mappings) - return 0; - - map_end = nd_mapping->start + nd_mapping->size - 1; - if (info->res->start >= nd_mapping->start - && info->res->start < map_end) { - if (info->res->end <= map_end) { - info->busy = 0; - return 1; - } else { - info->busy -= info->res->end - map_end; - return 0; - } - } else if (info->res->end >= nd_mapping->start - && info->res->end <= map_end) { - info->busy -= nd_mapping->start - info->res->start; - return 0; - } else { - info->busy -= nd_mapping->size; - return 0; - } -} - /** * nd_blk_available_dpa - account the unused dpa of BLK region * @nd_mapping: container of dpa-resource-root + labels @@ -545,11 +494,7 @@ resource_size_t nd_blk_available_dpa(struct nd_region *nd_region) for_each_dpa_resource(ndd, res) { if (strncmp(res->name, "blk", 3) != 0) continue; - - info.res = res; - info.busy = resource_size(res); - device_for_each_child(&nvdimm_bus->dev, &info, blk_dpa_busy); - info.available -= info.busy; + info.available -= resource_size(res); } return info.available; diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index 9b3b57f..9583a5f 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -270,7 +270,7 @@ static inline int nvme_setup_discard(struct nvme_ns *ns, struct request *req, memset(cmnd, 0, sizeof(*cmnd)); cmnd->dsm.opcode = nvme_cmd_dsm; cmnd->dsm.nsid = cpu_to_le32(ns->ns_id); - cmnd->dsm.nr = segments - 1; + cmnd->dsm.nr = cpu_to_le32(segments - 1); cmnd->dsm.attributes = cpu_to_le32(NVME_DSMGMT_AD); req->special_vec.bv_page = virt_to_page(range); diff --git a/drivers/nvme/host/fc.c b/drivers/nvme/host/fc.c index 9690beb..d996ca7 100644 --- a/drivers/nvme/host/fc.c +++ b/drivers/nvme/host/fc.c @@ -2023,7 +2023,7 @@ nvme_fc_configure_admin_queue(struct nvme_fc_ctrl *ctrl) } ctrl->ctrl.sqsize = - min_t(int, NVME_CAP_MQES(ctrl->cap) + 1, ctrl->ctrl.sqsize); + min_t(int, NVME_CAP_MQES(ctrl->cap), ctrl->ctrl.sqsize); error = nvme_enable_ctrl(&ctrl->ctrl, ctrl->cap); if (error) diff --git a/drivers/nvme/host/rdma.c b/drivers/nvme/host/rdma.c index 779f516..16f84eb0 100644 --- a/drivers/nvme/host/rdma.c +++ b/drivers/nvme/host/rdma.c @@ -343,8 +343,6 @@ static int __nvme_rdma_init_request(struct nvme_rdma_ctrl *ctrl, struct ib_device *ibdev = dev->dev; int ret; - BUG_ON(queue_idx >= ctrl->queue_count); - ret = nvme_rdma_alloc_qe(ibdev, &req->sqe, sizeof(struct nvme_command), DMA_TO_DEVICE); if (ret) @@ -652,8 +650,22 @@ out_free_queues: static int nvme_rdma_init_io_queues(struct nvme_rdma_ctrl *ctrl) { + struct nvmf_ctrl_options *opts = ctrl->ctrl.opts; + unsigned int nr_io_queues; int i, ret; + nr_io_queues = min(opts->nr_io_queues, num_online_cpus()); + ret = nvme_set_queue_count(&ctrl->ctrl, &nr_io_queues); + if (ret) + return ret; + + ctrl->queue_count = nr_io_queues + 1; + if (ctrl->queue_count < 2) + return 0; + + dev_info(ctrl->ctrl.device, + "creating %d I/O queues.\n", nr_io_queues); + for (i = 1; i < ctrl->queue_count; i++) { ret = nvme_rdma_init_queue(ctrl, i, ctrl->ctrl.opts->queue_size); @@ -1594,7 +1606,7 @@ static int nvme_rdma_configure_admin_queue(struct nvme_rdma_ctrl *ctrl) } ctrl->ctrl.sqsize = - min_t(int, NVME_CAP_MQES(ctrl->cap) + 1, ctrl->ctrl.sqsize); + min_t(int, NVME_CAP_MQES(ctrl->cap), ctrl->ctrl.sqsize); error = nvme_enable_ctrl(&ctrl->ctrl, ctrl->cap); if (error) @@ -1791,20 +1803,8 @@ static const struct nvme_ctrl_ops nvme_rdma_ctrl_ops = { static int nvme_rdma_create_io_queues(struct nvme_rdma_ctrl *ctrl) { - struct nvmf_ctrl_options *opts = ctrl->ctrl.opts; int ret; - ret = nvme_set_queue_count(&ctrl->ctrl, &opts->nr_io_queues); - if (ret) - return ret; - - ctrl->queue_count = opts->nr_io_queues + 1; - if (ctrl->queue_count < 2) - return 0; - - dev_info(ctrl->ctrl.device, - "creating %d I/O queues.\n", opts->nr_io_queues); - ret = nvme_rdma_init_io_queues(ctrl); if (ret) return ret; diff --git a/drivers/nvme/target/admin-cmd.c b/drivers/nvme/target/admin-cmd.c index a7bcff4..76450b0 100644 --- a/drivers/nvme/target/admin-cmd.c +++ b/drivers/nvme/target/admin-cmd.c @@ -100,7 +100,7 @@ static u16 nvmet_get_smart_log(struct nvmet_req *req, u16 status; WARN_ON(req == NULL || slog == NULL); - if (req->cmd->get_log_page.nsid == 0xFFFFFFFF) + if (req->cmd->get_log_page.nsid == cpu_to_le32(0xFFFFFFFF)) status = nvmet_get_smart_log_all(req, slog); else status = nvmet_get_smart_log_nsid(req, slog); diff --git a/drivers/nvme/target/core.c b/drivers/nvme/target/core.c index 11b0a0a..798653b 100644 --- a/drivers/nvme/target/core.c +++ b/drivers/nvme/target/core.c @@ -425,6 +425,13 @@ void nvmet_sq_setup(struct nvmet_ctrl *ctrl, struct nvmet_sq *sq, ctrl->sqs[qid] = sq; } +static void nvmet_confirm_sq(struct percpu_ref *ref) +{ + struct nvmet_sq *sq = container_of(ref, struct nvmet_sq, ref); + + complete(&sq->confirm_done); +} + void nvmet_sq_destroy(struct nvmet_sq *sq) { /* @@ -433,7 +440,8 @@ void nvmet_sq_destroy(struct nvmet_sq *sq) */ if (sq->ctrl && sq->ctrl->sqs && sq->ctrl->sqs[0] == sq) nvmet_async_events_free(sq->ctrl); - percpu_ref_kill(&sq->ref); + percpu_ref_kill_and_confirm(&sq->ref, nvmet_confirm_sq); + wait_for_completion(&sq->confirm_done); wait_for_completion(&sq->free_done); percpu_ref_exit(&sq->ref); @@ -461,6 +469,7 @@ int nvmet_sq_init(struct nvmet_sq *sq) return ret; } init_completion(&sq->free_done); + init_completion(&sq->confirm_done); return 0; } diff --git a/drivers/nvme/target/io-cmd.c b/drivers/nvme/target/io-cmd.c index 4195115..6b0baa9 100644 --- a/drivers/nvme/target/io-cmd.c +++ b/drivers/nvme/target/io-cmd.c @@ -180,7 +180,7 @@ static void nvmet_execute_write_zeroes(struct nvmet_req *req) sector = le64_to_cpu(write_zeroes->slba) << (req->ns->blksize_shift - 9); - nr_sector = (((sector_t)le32_to_cpu(write_zeroes->length)) << + nr_sector = (((sector_t)le16_to_cpu(write_zeroes->length)) << (req->ns->blksize_shift - 9)) + 1; if (__blkdev_issue_zeroout(req->ns->bdev, sector, nr_sector, @@ -230,7 +230,7 @@ int nvmet_parse_io_cmd(struct nvmet_req *req) return 0; case nvme_cmd_dsm: req->execute = nvmet_execute_dsm; - req->data_len = le32_to_cpu(cmd->dsm.nr + 1) * + req->data_len = (le32_to_cpu(cmd->dsm.nr) + 1) * sizeof(struct nvme_dsm_range); return 0; case nvme_cmd_write_zeroes: diff --git a/drivers/nvme/target/loop.c b/drivers/nvme/target/loop.c index d1f06e7..c7b0b6a 100644 --- a/drivers/nvme/target/loop.c +++ b/drivers/nvme/target/loop.c @@ -223,8 +223,6 @@ static void nvme_loop_submit_async_event(struct nvme_ctrl *arg, int aer_idx) static int nvme_loop_init_iod(struct nvme_loop_ctrl *ctrl, struct nvme_loop_iod *iod, unsigned int queue_idx) { - BUG_ON(queue_idx >= ctrl->queue_count); - iod->req.cmd = &iod->cmd; iod->req.rsp = &iod->rsp; iod->queue = &ctrl->queues[queue_idx]; @@ -288,9 +286,9 @@ static struct blk_mq_ops nvme_loop_admin_mq_ops = { static void nvme_loop_destroy_admin_queue(struct nvme_loop_ctrl *ctrl) { + nvmet_sq_destroy(&ctrl->queues[0].nvme_sq); blk_cleanup_queue(ctrl->ctrl.admin_q); blk_mq_free_tag_set(&ctrl->admin_tag_set); - nvmet_sq_destroy(&ctrl->queues[0].nvme_sq); } static void nvme_loop_free_ctrl(struct nvme_ctrl *nctrl) @@ -314,6 +312,43 @@ free_ctrl: kfree(ctrl); } +static void nvme_loop_destroy_io_queues(struct nvme_loop_ctrl *ctrl) +{ + int i; + + for (i = 1; i < ctrl->queue_count; i++) + nvmet_sq_destroy(&ctrl->queues[i].nvme_sq); +} + +static int nvme_loop_init_io_queues(struct nvme_loop_ctrl *ctrl) +{ + struct nvmf_ctrl_options *opts = ctrl->ctrl.opts; + unsigned int nr_io_queues; + int ret, i; + + nr_io_queues = min(opts->nr_io_queues, num_online_cpus()); + ret = nvme_set_queue_count(&ctrl->ctrl, &nr_io_queues); + if (ret || !nr_io_queues) + return ret; + + dev_info(ctrl->ctrl.device, "creating %d I/O queues.\n", nr_io_queues); + + for (i = 1; i <= nr_io_queues; i++) { + ctrl->queues[i].ctrl = ctrl; + ret = nvmet_sq_init(&ctrl->queues[i].nvme_sq); + if (ret) + goto out_destroy_queues; + + ctrl->queue_count++; + } + + return 0; + +out_destroy_queues: + nvme_loop_destroy_io_queues(ctrl); + return ret; +} + static int nvme_loop_configure_admin_queue(struct nvme_loop_ctrl *ctrl) { int error; @@ -357,7 +392,7 @@ static int nvme_loop_configure_admin_queue(struct nvme_loop_ctrl *ctrl) } ctrl->ctrl.sqsize = - min_t(int, NVME_CAP_MQES(ctrl->cap) + 1, ctrl->ctrl.sqsize); + min_t(int, NVME_CAP_MQES(ctrl->cap), ctrl->ctrl.sqsize); error = nvme_enable_ctrl(&ctrl->ctrl, ctrl->cap); if (error) @@ -385,17 +420,13 @@ out_free_sq: static void nvme_loop_shutdown_ctrl(struct nvme_loop_ctrl *ctrl) { - int i; - nvme_stop_keep_alive(&ctrl->ctrl); if (ctrl->queue_count > 1) { nvme_stop_queues(&ctrl->ctrl); blk_mq_tagset_busy_iter(&ctrl->tag_set, nvme_cancel_request, &ctrl->ctrl); - - for (i = 1; i < ctrl->queue_count; i++) - nvmet_sq_destroy(&ctrl->queues[i].nvme_sq); + nvme_loop_destroy_io_queues(ctrl); } if (ctrl->ctrl.state == NVME_CTRL_LIVE) @@ -467,19 +498,14 @@ static void nvme_loop_reset_ctrl_work(struct work_struct *work) if (ret) goto out_disable; - for (i = 1; i <= ctrl->ctrl.opts->nr_io_queues; i++) { - ctrl->queues[i].ctrl = ctrl; - ret = nvmet_sq_init(&ctrl->queues[i].nvme_sq); - if (ret) - goto out_free_queues; - - ctrl->queue_count++; - } + ret = nvme_loop_init_io_queues(ctrl); + if (ret) + goto out_destroy_admin; - for (i = 1; i <= ctrl->ctrl.opts->nr_io_queues; i++) { + for (i = 1; i < ctrl->queue_count; i++) { ret = nvmf_connect_io_queue(&ctrl->ctrl, i); if (ret) - goto out_free_queues; + goto out_destroy_io; } changed = nvme_change_ctrl_state(&ctrl->ctrl, NVME_CTRL_LIVE); @@ -492,9 +518,9 @@ static void nvme_loop_reset_ctrl_work(struct work_struct *work) return; -out_free_queues: - for (i = 1; i < ctrl->queue_count; i++) - nvmet_sq_destroy(&ctrl->queues[i].nvme_sq); +out_destroy_io: + nvme_loop_destroy_io_queues(ctrl); +out_destroy_admin: nvme_loop_destroy_admin_queue(ctrl); out_disable: dev_warn(ctrl->ctrl.device, "Removing after reset failure\n"); @@ -533,25 +559,12 @@ static const struct nvme_ctrl_ops nvme_loop_ctrl_ops = { static int nvme_loop_create_io_queues(struct nvme_loop_ctrl *ctrl) { - struct nvmf_ctrl_options *opts = ctrl->ctrl.opts; int ret, i; - ret = nvme_set_queue_count(&ctrl->ctrl, &opts->nr_io_queues); - if (ret || !opts->nr_io_queues) + ret = nvme_loop_init_io_queues(ctrl); + if (ret) return ret; - dev_info(ctrl->ctrl.device, "creating %d I/O queues.\n", - opts->nr_io_queues); - - for (i = 1; i <= opts->nr_io_queues; i++) { - ctrl->queues[i].ctrl = ctrl; - ret = nvmet_sq_init(&ctrl->queues[i].nvme_sq); - if (ret) - goto out_destroy_queues; - - ctrl->queue_count++; - } - memset(&ctrl->tag_set, 0, sizeof(ctrl->tag_set)); ctrl->tag_set.ops = &nvme_loop_mq_ops; ctrl->tag_set.queue_depth = ctrl->ctrl.opts->queue_size; @@ -575,7 +588,7 @@ static int nvme_loop_create_io_queues(struct nvme_loop_ctrl *ctrl) goto out_free_tagset; } - for (i = 1; i <= opts->nr_io_queues; i++) { + for (i = 1; i < ctrl->queue_count; i++) { ret = nvmf_connect_io_queue(&ctrl->ctrl, i); if (ret) goto out_cleanup_connect_q; @@ -588,8 +601,7 @@ out_cleanup_connect_q: out_free_tagset: blk_mq_free_tag_set(&ctrl->tag_set); out_destroy_queues: - for (i = 1; i < ctrl->queue_count; i++) - nvmet_sq_destroy(&ctrl->queues[i].nvme_sq); + nvme_loop_destroy_io_queues(ctrl); return ret; } diff --git a/drivers/nvme/target/nvmet.h b/drivers/nvme/target/nvmet.h index 1370eee..f7ff15f 100644 --- a/drivers/nvme/target/nvmet.h +++ b/drivers/nvme/target/nvmet.h @@ -73,6 +73,7 @@ struct nvmet_sq { u16 qid; u16 size; struct completion free_done; + struct completion confirm_done; }; /** diff --git a/drivers/nvme/target/rdma.c b/drivers/nvme/target/rdma.c index 9aa1da3..ecc4fe8 100644 --- a/drivers/nvme/target/rdma.c +++ b/drivers/nvme/target/rdma.c @@ -703,11 +703,6 @@ static void nvmet_rdma_handle_command(struct nvmet_rdma_queue *queue, { u16 status; - cmd->queue = queue; - cmd->n_rdma = 0; - cmd->req.port = queue->port; - - ib_dma_sync_single_for_cpu(queue->dev->device, cmd->cmd->sge[0].addr, cmd->cmd->sge[0].length, DMA_FROM_DEVICE); @@ -760,9 +755,12 @@ static void nvmet_rdma_recv_done(struct ib_cq *cq, struct ib_wc *wc) cmd->queue = queue; rsp = nvmet_rdma_get_rsp(queue); + rsp->queue = queue; rsp->cmd = cmd; rsp->flags = 0; rsp->req.cmd = cmd->nvme_cmd; + rsp->req.port = queue->port; + rsp->n_rdma = 0; if (unlikely(queue->state != NVMET_RDMA_Q_LIVE)) { unsigned long flags; diff --git a/drivers/parport/share.c b/drivers/parport/share.c index bc090da..5dc53d4 100644 --- a/drivers/parport/share.c +++ b/drivers/parport/share.c @@ -939,8 +939,10 @@ parport_register_dev_model(struct parport *port, const char *name, * pardevice fields. -arca */ port->ops->init_state(par_dev, par_dev->state); - port->proc_device = par_dev; - parport_device_proc_register(par_dev); + if (!test_and_set_bit(PARPORT_DEVPROC_REGISTERED, &port->devflags)) { + port->proc_device = par_dev; + parport_device_proc_register(par_dev); + } return par_dev; diff --git a/drivers/pci/dwc/Kconfig b/drivers/pci/dwc/Kconfig index dfb8a69..d2d2ba5 100644 --- a/drivers/pci/dwc/Kconfig +++ b/drivers/pci/dwc/Kconfig @@ -89,6 +89,7 @@ config PCI_HISI depends on PCI_MSI_IRQ_DOMAIN select PCIEPORTBUS select PCIE_DW_HOST + select PCI_HOST_COMMON help Say Y here if you want PCIe controller support on HiSilicon Hip05 and Hip06 SoCs diff --git a/drivers/pci/dwc/pcie-artpec6.c b/drivers/pci/dwc/pcie-artpec6.c index fcd3ef8..6d23683 100644 --- a/drivers/pci/dwc/pcie-artpec6.c +++ b/drivers/pci/dwc/pcie-artpec6.c @@ -234,6 +234,9 @@ static int artpec6_add_pcie_port(struct artpec6_pcie *artpec6_pcie, return 0; } +static const struct dw_pcie_ops dw_pcie_ops = { +}; + static int artpec6_pcie_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; @@ -252,6 +255,7 @@ static int artpec6_pcie_probe(struct platform_device *pdev) return -ENOMEM; pci->dev = dev; + pci->ops = &dw_pcie_ops; artpec6_pcie->pci = pci; diff --git a/drivers/pci/dwc/pcie-designware-plat.c b/drivers/pci/dwc/pcie-designware-plat.c index b6c832b..f20d494 100644 --- a/drivers/pci/dwc/pcie-designware-plat.c +++ b/drivers/pci/dwc/pcie-designware-plat.c @@ -86,6 +86,9 @@ static int dw_plat_add_pcie_port(struct pcie_port *pp, return 0; } +static const struct dw_pcie_ops dw_pcie_ops = { +}; + static int dw_plat_pcie_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; @@ -103,6 +106,7 @@ static int dw_plat_pcie_probe(struct platform_device *pdev) return -ENOMEM; pci->dev = dev; + pci->ops = &dw_pcie_ops; dw_plat_pcie->pci = pci; diff --git a/drivers/pci/host/pci-thunder-pem.c b/drivers/pci/host/pci-thunder-pem.c index 52b5bdc..6e031b5 100644 --- a/drivers/pci/host/pci-thunder-pem.c +++ b/drivers/pci/host/pci-thunder-pem.c @@ -14,6 +14,7 @@ * Copyright (C) 2015 - 2016 Cavium, Inc. */ +#include <linux/bitfield.h> #include <linux/kernel.h> #include <linux/init.h> #include <linux/of_address.h> @@ -334,6 +335,49 @@ static int thunder_pem_init(struct device *dev, struct pci_config_window *cfg, #if defined(CONFIG_ACPI) && defined(CONFIG_PCI_QUIRKS) +#define PEM_RES_BASE 0x87e0c0000000UL +#define PEM_NODE_MASK GENMASK(45, 44) +#define PEM_INDX_MASK GENMASK(26, 24) +#define PEM_MIN_DOM_IN_NODE 4 +#define PEM_MAX_DOM_IN_NODE 10 + +static void thunder_pem_reserve_range(struct device *dev, int seg, + struct resource *r) +{ + resource_size_t start = r->start, end = r->end; + struct resource *res; + const char *regionid; + + regionid = kasprintf(GFP_KERNEL, "PEM RC:%d", seg); + if (!regionid) + return; + + res = request_mem_region(start, end - start + 1, regionid); + if (res) + res->flags &= ~IORESOURCE_BUSY; + else + kfree(regionid); + + dev_info(dev, "%pR %s reserved\n", r, + res ? "has been" : "could not be"); +} + +static void thunder_pem_legacy_fw(struct acpi_pci_root *root, + struct resource *res_pem) +{ + int node = acpi_get_node(root->device->handle); + int index; + + if (node == NUMA_NO_NODE) + node = 0; + + index = root->segment - PEM_MIN_DOM_IN_NODE; + index -= node * PEM_MAX_DOM_IN_NODE; + res_pem->start = PEM_RES_BASE | FIELD_PREP(PEM_NODE_MASK, node) | + FIELD_PREP(PEM_INDX_MASK, index); + res_pem->flags = IORESOURCE_MEM; +} + static int thunder_pem_acpi_init(struct pci_config_window *cfg) { struct device *dev = cfg->parent; @@ -346,10 +390,24 @@ static int thunder_pem_acpi_init(struct pci_config_window *cfg) if (!res_pem) return -ENOMEM; - ret = acpi_get_rc_resources(dev, "THRX0002", root->segment, res_pem); + ret = acpi_get_rc_resources(dev, "CAVA02B", root->segment, res_pem); + + /* + * If we fail to gather resources it means that we run with old + * FW where we need to calculate PEM-specific resources manually. + */ if (ret) { - dev_err(dev, "can't get rc base address\n"); - return ret; + thunder_pem_legacy_fw(root, res_pem); + /* + * Reserve 64K size PEM specific resources. The full 16M range + * size is required for thunder_pem_init() call. + */ + res_pem->end = res_pem->start + SZ_64K - 1; + thunder_pem_reserve_range(dev, root->segment, res_pem); + res_pem->end = res_pem->start + SZ_16M - 1; + + /* Reserve PCI configuration space as well. */ + thunder_pem_reserve_range(dev, root->segment, &cfg->res); } return thunder_pem_init(dev, cfg, res_pem); diff --git a/drivers/pci/host/pcie-iproc-bcma.c b/drivers/pci/host/pcie-iproc-bcma.c index bd4c9ec..384c27e 100644 --- a/drivers/pci/host/pcie-iproc-bcma.c +++ b/drivers/pci/host/pcie-iproc-bcma.c @@ -44,8 +44,7 @@ static int iproc_pcie_bcma_probe(struct bcma_device *bdev) { struct device *dev = &bdev->dev; struct iproc_pcie *pcie; - LIST_HEAD(res); - struct resource res_mem; + LIST_HEAD(resources); int ret; pcie = devm_kzalloc(dev, sizeof(*pcie), GFP_KERNEL); @@ -63,22 +62,23 @@ static int iproc_pcie_bcma_probe(struct bcma_device *bdev) pcie->base_addr = bdev->addr; - res_mem.start = bdev->addr_s[0]; - res_mem.end = bdev->addr_s[0] + SZ_128M - 1; - res_mem.name = "PCIe MEM space"; - res_mem.flags = IORESOURCE_MEM; - pci_add_resource(&res, &res_mem); + pcie->mem.start = bdev->addr_s[0]; + pcie->mem.end = bdev->addr_s[0] + SZ_128M - 1; + pcie->mem.name = "PCIe MEM space"; + pcie->mem.flags = IORESOURCE_MEM; + pci_add_resource(&resources, &pcie->mem); pcie->map_irq = iproc_pcie_bcma_map_irq; - ret = iproc_pcie_setup(pcie, &res); - if (ret) + ret = iproc_pcie_setup(pcie, &resources); + if (ret) { dev_err(dev, "PCIe controller setup failed\n"); - - pci_free_resource_list(&res); + pci_free_resource_list(&resources); + return ret; + } bcma_set_drvdata(bdev, pcie); - return ret; + return 0; } static void iproc_pcie_bcma_remove(struct bcma_device *bdev) diff --git a/drivers/pci/host/pcie-iproc-platform.c b/drivers/pci/host/pcie-iproc-platform.c index f4909bb..8c6a327 100644 --- a/drivers/pci/host/pcie-iproc-platform.c +++ b/drivers/pci/host/pcie-iproc-platform.c @@ -51,7 +51,7 @@ static int iproc_pcie_pltfm_probe(struct platform_device *pdev) struct device_node *np = dev->of_node; struct resource reg; resource_size_t iobase = 0; - LIST_HEAD(res); + LIST_HEAD(resources); int ret; pcie = devm_kzalloc(dev, sizeof(*pcie), GFP_KERNEL); @@ -96,10 +96,10 @@ static int iproc_pcie_pltfm_probe(struct platform_device *pdev) pcie->phy = NULL; } - ret = of_pci_get_host_bridge_resources(np, 0, 0xff, &res, &iobase); + ret = of_pci_get_host_bridge_resources(np, 0, 0xff, &resources, + &iobase); if (ret) { - dev_err(dev, - "unable to get PCI host bridge resources\n"); + dev_err(dev, "unable to get PCI host bridge resources\n"); return ret; } @@ -112,14 +112,15 @@ static int iproc_pcie_pltfm_probe(struct platform_device *pdev) pcie->map_irq = of_irq_parse_and_map_pci; } - ret = iproc_pcie_setup(pcie, &res); - if (ret) + ret = iproc_pcie_setup(pcie, &resources); + if (ret) { dev_err(dev, "PCIe controller setup failed\n"); - - pci_free_resource_list(&res); + pci_free_resource_list(&resources); + return ret; + } platform_set_drvdata(pdev, pcie); - return ret; + return 0; } static int iproc_pcie_pltfm_remove(struct platform_device *pdev) diff --git a/drivers/pci/host/pcie-iproc.h b/drivers/pci/host/pcie-iproc.h index 04fed8e..0bbe2ea 100644 --- a/drivers/pci/host/pcie-iproc.h +++ b/drivers/pci/host/pcie-iproc.h @@ -90,6 +90,7 @@ struct iproc_pcie { #ifdef CONFIG_ARM struct pci_sys_data sysdata; #endif + struct resource mem; struct pci_bus *root_bus; struct phy *phy; int (*map_irq)(const struct pci_dev *, u8, u8); diff --git a/drivers/phy/Kconfig b/drivers/phy/Kconfig index dc5277a..005cadb 100644 --- a/drivers/phy/Kconfig +++ b/drivers/phy/Kconfig @@ -449,6 +449,7 @@ config PHY_QCOM_UFS config PHY_QCOM_USB_HS tristate "Qualcomm USB HS PHY module" depends on USB_ULPI_BUS + depends on EXTCON || !EXTCON # if EXTCON=m, this cannot be built-in select GENERIC_PHY help Support for the USB high-speed ULPI compliant phy on Qualcomm @@ -510,12 +511,4 @@ config PHY_MESON8B_USB2 and GXBB SoCs. If unsure, say N. -config PHY_NSP_USB3 - tristate "Broadcom NorthStar plus USB3 PHY driver" - depends on OF && (ARCH_BCM_NSP || COMPILE_TEST) - select GENERIC_PHY - default ARCH_BCM_NSP - help - Enable this to support the Broadcom Northstar plus USB3 PHY. - If unsure, say N. endmenu diff --git a/drivers/phy/Makefile b/drivers/phy/Makefile index e7b0feb..dd8f3b5 100644 --- a/drivers/phy/Makefile +++ b/drivers/phy/Makefile @@ -62,4 +62,3 @@ obj-$(CONFIG_PHY_CYGNUS_PCIE) += phy-bcm-cygnus-pcie.o obj-$(CONFIG_ARCH_TEGRA) += tegra/ obj-$(CONFIG_PHY_NS2_PCIE) += phy-bcm-ns2-pcie.o obj-$(CONFIG_PHY_MESON8B_USB2) += phy-meson8b-usb2.o -obj-$(CONFIG_PHY_NSP_USB3) += phy-bcm-nsp-usb3.o diff --git a/drivers/phy/phy-bcm-nsp-usb3.c b/drivers/phy/phy-bcm-nsp-usb3.c deleted file mode 100644 index 49024ea..0000000 --- a/drivers/phy/phy-bcm-nsp-usb3.c +++ /dev/null @@ -1,177 +0,0 @@ -/* - * Copyright (C) 2016 Broadcom - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation version 2. - * - * This program is distributed "as is" WITHOUT ANY WARRANTY of any - * kind, whether express or implied; without even the implied warranty - * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - -#include <linux/delay.h> -#include <linux/io.h> -#include <linux/kernel.h> -#include <linux/mfd/syscon.h> -#include <linux/mdio.h> -#include <linux/module.h> -#include <linux/of.h> -#include <linux/of_address.h> -#include <linux/phy/phy.h> -#include <linux/regmap.h> - -#define NSP_USB3_RST_CTRL_OFFSET 0x3f8 - -/* mdio reg access */ -#define NSP_USB3_PHY_BASE_ADDR_REG 0x1f - -#define NSP_USB3_PHY_PLL30_BLOCK 0x8000 -#define NSP_USB3_PLL_CONTROL 0x01 -#define NSP_USB3_PLLA_CONTROL0 0x0a -#define NSP_USB3_PLLA_CONTROL1 0x0b - -#define NSP_USB3_PHY_TX_PMD_BLOCK 0x8040 -#define NSP_USB3_TX_PMD_CONTROL1 0x01 - -#define NSP_USB3_PHY_PIPE_BLOCK 0x8060 -#define NSP_USB3_LFPS_CMP 0x02 -#define NSP_USB3_LFPS_DEGLITCH 0x03 - -struct nsp_usb3_phy { - struct regmap *usb3_ctrl; - struct phy *phy; - struct mdio_device *mdiodev; -}; - -static int nsp_usb3_phy_init(struct phy *phy) -{ - struct nsp_usb3_phy *iphy = phy_get_drvdata(phy); - struct mii_bus *bus = iphy->mdiodev->bus; - int addr = iphy->mdiodev->addr; - u32 data; - int rc; - - rc = regmap_read(iphy->usb3_ctrl, 0, &data); - if (rc) - return rc; - data |= 1; - rc = regmap_write(iphy->usb3_ctrl, 0, data); - if (rc) - return rc; - - rc = regmap_write(iphy->usb3_ctrl, NSP_USB3_RST_CTRL_OFFSET, 1); - if (rc) - return rc; - - rc = mdiobus_write(bus, addr, NSP_USB3_PHY_BASE_ADDR_REG, - NSP_USB3_PHY_PLL30_BLOCK); - if (rc) - return rc; - - rc = mdiobus_write(bus, addr, NSP_USB3_PLL_CONTROL, 0x1000); - if (rc) - return rc; - - rc = mdiobus_write(bus, addr, NSP_USB3_PLLA_CONTROL0, 0x6400); - if (rc) - return rc; - - rc = mdiobus_write(bus, addr, NSP_USB3_PLLA_CONTROL1, 0xc000); - if (rc) - return rc; - - rc = mdiobus_write(bus, addr, NSP_USB3_PLLA_CONTROL1, 0x8000); - if (rc) - return rc; - - rc = regmap_write(iphy->usb3_ctrl, NSP_USB3_RST_CTRL_OFFSET, 0); - if (rc) - return rc; - - rc = mdiobus_write(bus, addr, NSP_USB3_PLL_CONTROL, 0x9000); - if (rc) - return rc; - - rc = mdiobus_write(bus, addr, NSP_USB3_PHY_BASE_ADDR_REG, - NSP_USB3_PHY_PIPE_BLOCK); - if (rc) - return rc; - - rc = mdiobus_write(bus, addr, NSP_USB3_LFPS_CMP, 0xf30d); - if (rc) - return rc; - - rc = mdiobus_write(bus, addr, NSP_USB3_LFPS_DEGLITCH, 0x6302); - if (rc) - return rc; - - rc = mdiobus_write(bus, addr, NSP_USB3_PHY_BASE_ADDR_REG, - NSP_USB3_PHY_TX_PMD_BLOCK); - if (rc) - return rc; - - rc = mdiobus_write(bus, addr, NSP_USB3_TX_PMD_CONTROL1, 0x1003); - - return rc; -} - -static struct phy_ops nsp_usb3_phy_ops = { - .init = nsp_usb3_phy_init, - .owner = THIS_MODULE, -}; - -static int nsp_usb3_phy_probe(struct mdio_device *mdiodev) -{ - struct device *dev = &mdiodev->dev; - struct phy_provider *provider; - struct nsp_usb3_phy *iphy; - - iphy = devm_kzalloc(dev, sizeof(*iphy), GFP_KERNEL); - if (!iphy) - return -ENOMEM; - iphy->mdiodev = mdiodev; - - iphy->usb3_ctrl = syscon_regmap_lookup_by_phandle(dev->of_node, - "usb3-ctrl-syscon"); - if (IS_ERR(iphy->usb3_ctrl)) - return PTR_ERR(iphy->usb3_ctrl); - - iphy->phy = devm_phy_create(dev, dev->of_node, &nsp_usb3_phy_ops); - if (IS_ERR(iphy->phy)) { - dev_err(dev, "failed to create PHY\n"); - return PTR_ERR(iphy->phy); - } - - phy_set_drvdata(iphy->phy, iphy); - - provider = devm_of_phy_provider_register(dev, of_phy_simple_xlate); - if (IS_ERR(provider)) { - dev_err(dev, "could not register PHY provider\n"); - return PTR_ERR(provider); - } - - return 0; -} - -static const struct of_device_id nsp_usb3_phy_of_match[] = { - {.compatible = "brcm,nsp-usb3-phy",}, - { /* sentinel */ } -}; - -static struct mdio_driver nsp_usb3_phy_driver = { - .mdiodrv = { - .driver = { - .name = "nsp-usb3-phy", - .of_match_table = nsp_usb3_phy_of_match, - }, - }, - .probe = nsp_usb3_phy_probe, -}; - -mdio_module_driver(nsp_usb3_phy_driver); - -MODULE_DESCRIPTION("Broadcom NSP USB3 PHY driver"); -MODULE_LICENSE("GPL v2"); -MODULE_AUTHOR("Yendapally Reddy Dhananjaya Reddy <yendapally.reddy@broadcom.com"); diff --git a/drivers/phy/phy-exynos-pcie.c b/drivers/phy/phy-exynos-pcie.c index 4f60b83..60baf25 100644 --- a/drivers/phy/phy-exynos-pcie.c +++ b/drivers/phy/phy-exynos-pcie.c @@ -254,8 +254,8 @@ static int exynos_pcie_phy_probe(struct platform_device *pdev) res = platform_get_resource(pdev, IORESOURCE_MEM, 1); exynos_phy->blk_base = devm_ioremap_resource(dev, res); - if (IS_ERR(exynos_phy->phy_base)) - return PTR_ERR(exynos_phy->phy_base); + if (IS_ERR(exynos_phy->blk_base)) + return PTR_ERR(exynos_phy->blk_base); exynos_phy->drv_data = drv_data; diff --git a/drivers/pinctrl/core.c b/drivers/pinctrl/core.c index d690465..32822b0 100644 --- a/drivers/pinctrl/core.c +++ b/drivers/pinctrl/core.c @@ -2010,29 +2010,57 @@ out_err: return ERR_PTR(ret); } -static int pinctrl_create_and_start(struct pinctrl_dev *pctldev) +static int pinctrl_claim_hogs(struct pinctrl_dev *pctldev) { pctldev->p = create_pinctrl(pctldev->dev, pctldev); - if (!IS_ERR(pctldev->p)) { - kref_get(&pctldev->p->users); - pctldev->hog_default = - pinctrl_lookup_state(pctldev->p, PINCTRL_STATE_DEFAULT); - if (IS_ERR(pctldev->hog_default)) { - dev_dbg(pctldev->dev, - "failed to lookup the default state\n"); - } else { - if (pinctrl_select_state(pctldev->p, - pctldev->hog_default)) - dev_err(pctldev->dev, - "failed to select default state\n"); - } + if (PTR_ERR(pctldev->p) == -ENODEV) { + dev_dbg(pctldev->dev, "no hogs found\n"); - pctldev->hog_sleep = - pinctrl_lookup_state(pctldev->p, - PINCTRL_STATE_SLEEP); - if (IS_ERR(pctldev->hog_sleep)) - dev_dbg(pctldev->dev, - "failed to lookup the sleep state\n"); + return 0; + } + + if (IS_ERR(pctldev->p)) { + dev_err(pctldev->dev, "error claiming hogs: %li\n", + PTR_ERR(pctldev->p)); + + return PTR_ERR(pctldev->p); + } + + kref_get(&pctldev->p->users); + pctldev->hog_default = + pinctrl_lookup_state(pctldev->p, PINCTRL_STATE_DEFAULT); + if (IS_ERR(pctldev->hog_default)) { + dev_dbg(pctldev->dev, + "failed to lookup the default state\n"); + } else { + if (pinctrl_select_state(pctldev->p, + pctldev->hog_default)) + dev_err(pctldev->dev, + "failed to select default state\n"); + } + + pctldev->hog_sleep = + pinctrl_lookup_state(pctldev->p, + PINCTRL_STATE_SLEEP); + if (IS_ERR(pctldev->hog_sleep)) + dev_dbg(pctldev->dev, + "failed to lookup the sleep state\n"); + + return 0; +} + +int pinctrl_enable(struct pinctrl_dev *pctldev) +{ + int error; + + error = pinctrl_claim_hogs(pctldev); + if (error) { + dev_err(pctldev->dev, "could not claim hogs: %i\n", + error); + mutex_destroy(&pctldev->mutex); + kfree(pctldev); + + return error; } mutex_lock(&pinctrldev_list_mutex); @@ -2043,6 +2071,7 @@ static int pinctrl_create_and_start(struct pinctrl_dev *pctldev) return 0; } +EXPORT_SYMBOL_GPL(pinctrl_enable); /** * pinctrl_register() - register a pin controller device @@ -2065,25 +2094,30 @@ struct pinctrl_dev *pinctrl_register(struct pinctrl_desc *pctldesc, if (IS_ERR(pctldev)) return pctldev; - error = pinctrl_create_and_start(pctldev); - if (error) { - mutex_destroy(&pctldev->mutex); - kfree(pctldev); - + error = pinctrl_enable(pctldev); + if (error) return ERR_PTR(error); - } return pctldev; } EXPORT_SYMBOL_GPL(pinctrl_register); +/** + * pinctrl_register_and_init() - register and init pin controller device + * @pctldesc: descriptor for this pin controller + * @dev: parent device for this pin controller + * @driver_data: private pin controller data for this pin controller + * @pctldev: pin controller device + * + * Note that pinctrl_enable() still needs to be manually called after + * this once the driver is ready. + */ int pinctrl_register_and_init(struct pinctrl_desc *pctldesc, struct device *dev, void *driver_data, struct pinctrl_dev **pctldev) { struct pinctrl_dev *p; - int error; p = pinctrl_init_controller(pctldesc, dev, driver_data); if (IS_ERR(p)) @@ -2097,15 +2131,6 @@ int pinctrl_register_and_init(struct pinctrl_desc *pctldesc, */ *pctldev = p; - error = pinctrl_create_and_start(p); - if (error) { - mutex_destroy(&p->mutex); - kfree(p); - *pctldev = NULL; - - return error; - } - return 0; } EXPORT_SYMBOL_GPL(pinctrl_register_and_init); diff --git a/drivers/pinctrl/freescale/pinctrl-imx.c b/drivers/pinctrl/freescale/pinctrl-imx.c index a7ace9e..74bd90d 100644 --- a/drivers/pinctrl/freescale/pinctrl-imx.c +++ b/drivers/pinctrl/freescale/pinctrl-imx.c @@ -790,7 +790,7 @@ int imx_pinctrl_probe(struct platform_device *pdev, dev_info(&pdev->dev, "initialized IMX pinctrl driver\n"); - return 0; + return pinctrl_enable(ipctl->pctl); free: imx_free_resources(ipctl); diff --git a/drivers/pinctrl/intel/pinctrl-cherryview.c b/drivers/pinctrl/intel/pinctrl-cherryview.c index f80134e..9ff7901 100644 --- a/drivers/pinctrl/intel/pinctrl-cherryview.c +++ b/drivers/pinctrl/intel/pinctrl-cherryview.c @@ -13,6 +13,7 @@ * published by the Free Software Foundation. */ +#include <linux/dmi.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/init.h> @@ -1524,10 +1525,31 @@ static void chv_gpio_irq_handler(struct irq_desc *desc) chained_irq_exit(chip, desc); } +/* + * Certain machines seem to hardcode Linux IRQ numbers in their ACPI + * tables. Since we leave GPIOs that are not capable of generating + * interrupts out of the irqdomain the numbering will be different and + * cause devices using the hardcoded IRQ numbers fail. In order not to + * break such machines we will only mask pins from irqdomain if the machine + * is not listed below. + */ +static const struct dmi_system_id chv_no_valid_mask[] = { + { + /* See https://bugzilla.kernel.org/show_bug.cgi?id=194945 */ + .ident = "Acer Chromebook (CYAN)", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "GOOGLE"), + DMI_MATCH(DMI_PRODUCT_NAME, "Edgar"), + DMI_MATCH(DMI_BIOS_DATE, "05/21/2016"), + }, + } +}; + static int chv_gpio_probe(struct chv_pinctrl *pctrl, int irq) { const struct chv_gpio_pinrange *range; struct gpio_chip *chip = &pctrl->chip; + bool need_valid_mask = !dmi_check_system(chv_no_valid_mask); int ret, i, offset; *chip = chv_gpio_chip; @@ -1536,7 +1558,7 @@ static int chv_gpio_probe(struct chv_pinctrl *pctrl, int irq) chip->label = dev_name(pctrl->dev); chip->parent = pctrl->dev; chip->base = -1; - chip->irq_need_valid_mask = true; + chip->irq_need_valid_mask = need_valid_mask; ret = devm_gpiochip_add_data(pctrl->dev, chip, pctrl); if (ret) { @@ -1567,7 +1589,7 @@ static int chv_gpio_probe(struct chv_pinctrl *pctrl, int irq) intsel &= CHV_PADCTRL0_INTSEL_MASK; intsel >>= CHV_PADCTRL0_INTSEL_SHIFT; - if (intsel >= pctrl->community->nirqs) + if (need_valid_mask && intsel >= pctrl->community->nirqs) clear_bit(i, chip->irq_valid_mask); } diff --git a/drivers/pinctrl/meson/pinctrl-meson-gxbb.c b/drivers/pinctrl/meson/pinctrl-meson-gxbb.c index 7671424..31a3a98 100644 --- a/drivers/pinctrl/meson/pinctrl-meson-gxbb.c +++ b/drivers/pinctrl/meson/pinctrl-meson-gxbb.c @@ -667,11 +667,11 @@ static const char * const uart_ao_b_groups[] = { }; static const char * const i2c_ao_groups[] = { - "i2c_sdk_ao", "i2c_sda_ao", + "i2c_sck_ao", "i2c_sda_ao", }; static const char * const i2c_slave_ao_groups[] = { - "i2c_slave_sdk_ao", "i2c_slave_sda_ao", + "i2c_slave_sck_ao", "i2c_slave_sda_ao", }; static const char * const remote_input_ao_groups[] = { diff --git a/drivers/pinctrl/pinctrl-single.c b/drivers/pinctrl/pinctrl-single.c index 8b2d45e..9c267dc 100644 --- a/drivers/pinctrl/pinctrl-single.c +++ b/drivers/pinctrl/pinctrl-single.c @@ -1781,7 +1781,7 @@ static int pcs_probe(struct platform_device *pdev) dev_info(pcs->dev, "%i pins at pa %p size %u\n", pcs->desc.npins, pcs->base, pcs->size); - return 0; + return pinctrl_enable(pcs->pctl); free: pcs_free_resources(pcs); diff --git a/drivers/pinctrl/pinctrl-st.c b/drivers/pinctrl/pinctrl-st.c index 676efcc..3ae8066 100644 --- a/drivers/pinctrl/pinctrl-st.c +++ b/drivers/pinctrl/pinctrl-st.c @@ -1285,6 +1285,22 @@ static void st_gpio_irq_unmask(struct irq_data *d) writel(BIT(d->hwirq), bank->base + REG_PIO_SET_PMASK); } +static int st_gpio_irq_request_resources(struct irq_data *d) +{ + struct gpio_chip *gc = irq_data_get_irq_chip_data(d); + + st_gpio_direction_input(gc, d->hwirq); + + return gpiochip_lock_as_irq(gc, d->hwirq); +} + +static void st_gpio_irq_release_resources(struct irq_data *d) +{ + struct gpio_chip *gc = irq_data_get_irq_chip_data(d); + + gpiochip_unlock_as_irq(gc, d->hwirq); +} + static int st_gpio_irq_set_type(struct irq_data *d, unsigned type) { struct gpio_chip *gc = irq_data_get_irq_chip_data(d); @@ -1438,12 +1454,14 @@ static struct gpio_chip st_gpio_template = { }; static struct irq_chip st_gpio_irqchip = { - .name = "GPIO", - .irq_disable = st_gpio_irq_mask, - .irq_mask = st_gpio_irq_mask, - .irq_unmask = st_gpio_irq_unmask, - .irq_set_type = st_gpio_irq_set_type, - .flags = IRQCHIP_SKIP_SET_WAKE, + .name = "GPIO", + .irq_request_resources = st_gpio_irq_request_resources, + .irq_release_resources = st_gpio_irq_release_resources, + .irq_disable = st_gpio_irq_mask, + .irq_mask = st_gpio_irq_mask, + .irq_unmask = st_gpio_irq_unmask, + .irq_set_type = st_gpio_irq_set_type, + .flags = IRQCHIP_SKIP_SET_WAKE, }; static int st_gpiolib_register_bank(struct st_pinctrl *info, diff --git a/drivers/pinctrl/qcom/pinctrl-ipq4019.c b/drivers/pinctrl/qcom/pinctrl-ipq4019.c index b68ae42..743d1f4 100644 --- a/drivers/pinctrl/qcom/pinctrl-ipq4019.c +++ b/drivers/pinctrl/qcom/pinctrl-ipq4019.c @@ -405,6 +405,36 @@ static const struct msm_pingroup ipq4019_groups[] = { PINGROUP(67, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA), PINGROUP(68, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA), PINGROUP(69, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA), + PINGROUP(70, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA), + PINGROUP(71, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA), + PINGROUP(72, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA), + PINGROUP(73, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA), + PINGROUP(74, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA), + PINGROUP(75, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA), + PINGROUP(76, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA), + PINGROUP(77, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA), + PINGROUP(78, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA), + PINGROUP(79, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA), + PINGROUP(80, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA), + PINGROUP(81, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA), + PINGROUP(82, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA), + PINGROUP(83, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA), + PINGROUP(84, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA), + PINGROUP(85, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA), + PINGROUP(86, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA), + PINGROUP(87, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA), + PINGROUP(88, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA), + PINGROUP(89, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA), + PINGROUP(90, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA), + PINGROUP(91, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA), + PINGROUP(92, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA), + PINGROUP(93, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA), + PINGROUP(94, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA), + PINGROUP(95, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA), + PINGROUP(96, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA), + PINGROUP(97, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA), + PINGROUP(98, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA), + PINGROUP(99, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA), }; static const struct msm_pinctrl_soc_data ipq4019_pinctrl = { diff --git a/drivers/pinctrl/qcom/pinctrl-msm.c b/drivers/pinctrl/qcom/pinctrl-msm.c index c978be5..273badd 100644 --- a/drivers/pinctrl/qcom/pinctrl-msm.c +++ b/drivers/pinctrl/qcom/pinctrl-msm.c @@ -609,10 +609,6 @@ static void msm_gpio_irq_unmask(struct irq_data *d) raw_spin_lock_irqsave(&pctrl->lock, flags); - val = readl(pctrl->regs + g->intr_status_reg); - val &= ~BIT(g->intr_status_bit); - writel(val, pctrl->regs + g->intr_status_reg); - val = readl(pctrl->regs + g->intr_cfg_reg); val |= BIT(g->intr_enable_bit); writel(val, pctrl->regs + g->intr_cfg_reg); diff --git a/drivers/pinctrl/samsung/pinctrl-exynos.c b/drivers/pinctrl/samsung/pinctrl-exynos.c index f9b4996..63e51b5 100644 --- a/drivers/pinctrl/samsung/pinctrl-exynos.c +++ b/drivers/pinctrl/samsung/pinctrl-exynos.c @@ -1468,82 +1468,82 @@ const struct samsung_pin_ctrl exynos5420_pin_ctrl[] __initconst = { /* pin banks of exynos5433 pin-controller - ALIVE */ static const struct samsung_pin_bank_data exynos5433_pin_banks0[] __initconst = { - EXYNOS_PIN_BANK_EINTW(8, 0x000, "gpa0", 0x00), - EXYNOS_PIN_BANK_EINTW(8, 0x020, "gpa1", 0x04), - EXYNOS_PIN_BANK_EINTW(8, 0x040, "gpa2", 0x08), - EXYNOS_PIN_BANK_EINTW(8, 0x060, "gpa3", 0x0c), - EXYNOS_PIN_BANK_EINTW_EXT(8, 0x020, "gpf1", 0x1004, 1), - EXYNOS_PIN_BANK_EINTW_EXT(4, 0x040, "gpf2", 0x1008, 1), - EXYNOS_PIN_BANK_EINTW_EXT(4, 0x060, "gpf3", 0x100c, 1), - EXYNOS_PIN_BANK_EINTW_EXT(8, 0x080, "gpf4", 0x1010, 1), - EXYNOS_PIN_BANK_EINTW_EXT(8, 0x0a0, "gpf5", 0x1014, 1), + EXYNOS5433_PIN_BANK_EINTW(8, 0x000, "gpa0", 0x00), + EXYNOS5433_PIN_BANK_EINTW(8, 0x020, "gpa1", 0x04), + EXYNOS5433_PIN_BANK_EINTW(8, 0x040, "gpa2", 0x08), + EXYNOS5433_PIN_BANK_EINTW(8, 0x060, "gpa3", 0x0c), + EXYNOS5433_PIN_BANK_EINTW_EXT(8, 0x020, "gpf1", 0x1004, 1), + EXYNOS5433_PIN_BANK_EINTW_EXT(4, 0x040, "gpf2", 0x1008, 1), + EXYNOS5433_PIN_BANK_EINTW_EXT(4, 0x060, "gpf3", 0x100c, 1), + EXYNOS5433_PIN_BANK_EINTW_EXT(8, 0x080, "gpf4", 0x1010, 1), + EXYNOS5433_PIN_BANK_EINTW_EXT(8, 0x0a0, "gpf5", 0x1014, 1), }; /* pin banks of exynos5433 pin-controller - AUD */ static const struct samsung_pin_bank_data exynos5433_pin_banks1[] __initconst = { - EXYNOS_PIN_BANK_EINTG(7, 0x000, "gpz0", 0x00), - EXYNOS_PIN_BANK_EINTG(4, 0x020, "gpz1", 0x04), + EXYNOS5433_PIN_BANK_EINTG(7, 0x000, "gpz0", 0x00), + EXYNOS5433_PIN_BANK_EINTG(4, 0x020, "gpz1", 0x04), }; /* pin banks of exynos5433 pin-controller - CPIF */ static const struct samsung_pin_bank_data exynos5433_pin_banks2[] __initconst = { - EXYNOS_PIN_BANK_EINTG(2, 0x000, "gpv6", 0x00), + EXYNOS5433_PIN_BANK_EINTG(2, 0x000, "gpv6", 0x00), }; /* pin banks of exynos5433 pin-controller - eSE */ static const struct samsung_pin_bank_data exynos5433_pin_banks3[] __initconst = { - EXYNOS_PIN_BANK_EINTG(3, 0x000, "gpj2", 0x00), + EXYNOS5433_PIN_BANK_EINTG(3, 0x000, "gpj2", 0x00), }; /* pin banks of exynos5433 pin-controller - FINGER */ static const struct samsung_pin_bank_data exynos5433_pin_banks4[] __initconst = { - EXYNOS_PIN_BANK_EINTG(4, 0x000, "gpd5", 0x00), + EXYNOS5433_PIN_BANK_EINTG(4, 0x000, "gpd5", 0x00), }; /* pin banks of exynos5433 pin-controller - FSYS */ static const struct samsung_pin_bank_data exynos5433_pin_banks5[] __initconst = { - EXYNOS_PIN_BANK_EINTG(6, 0x000, "gph1", 0x00), - EXYNOS_PIN_BANK_EINTG(7, 0x020, "gpr4", 0x04), - EXYNOS_PIN_BANK_EINTG(5, 0x040, "gpr0", 0x08), - EXYNOS_PIN_BANK_EINTG(8, 0x060, "gpr1", 0x0c), - EXYNOS_PIN_BANK_EINTG(2, 0x080, "gpr2", 0x10), - EXYNOS_PIN_BANK_EINTG(8, 0x0a0, "gpr3", 0x14), + EXYNOS5433_PIN_BANK_EINTG(6, 0x000, "gph1", 0x00), + EXYNOS5433_PIN_BANK_EINTG(7, 0x020, "gpr4", 0x04), + EXYNOS5433_PIN_BANK_EINTG(5, 0x040, "gpr0", 0x08), + EXYNOS5433_PIN_BANK_EINTG(8, 0x060, "gpr1", 0x0c), + EXYNOS5433_PIN_BANK_EINTG(2, 0x080, "gpr2", 0x10), + EXYNOS5433_PIN_BANK_EINTG(8, 0x0a0, "gpr3", 0x14), }; /* pin banks of exynos5433 pin-controller - IMEM */ static const struct samsung_pin_bank_data exynos5433_pin_banks6[] __initconst = { - EXYNOS_PIN_BANK_EINTG(8, 0x000, "gpf0", 0x00), + EXYNOS5433_PIN_BANK_EINTG(8, 0x000, "gpf0", 0x00), }; /* pin banks of exynos5433 pin-controller - NFC */ static const struct samsung_pin_bank_data exynos5433_pin_banks7[] __initconst = { - EXYNOS_PIN_BANK_EINTG(3, 0x000, "gpj0", 0x00), + EXYNOS5433_PIN_BANK_EINTG(3, 0x000, "gpj0", 0x00), }; /* pin banks of exynos5433 pin-controller - PERIC */ static const struct samsung_pin_bank_data exynos5433_pin_banks8[] __initconst = { - EXYNOS_PIN_BANK_EINTG(6, 0x000, "gpv7", 0x00), - EXYNOS_PIN_BANK_EINTG(5, 0x020, "gpb0", 0x04), - EXYNOS_PIN_BANK_EINTG(8, 0x040, "gpc0", 0x08), - EXYNOS_PIN_BANK_EINTG(2, 0x060, "gpc1", 0x0c), - EXYNOS_PIN_BANK_EINTG(6, 0x080, "gpc2", 0x10), - EXYNOS_PIN_BANK_EINTG(8, 0x0a0, "gpc3", 0x14), - EXYNOS_PIN_BANK_EINTG(2, 0x0c0, "gpg0", 0x18), - EXYNOS_PIN_BANK_EINTG(4, 0x0e0, "gpd0", 0x1c), - EXYNOS_PIN_BANK_EINTG(6, 0x100, "gpd1", 0x20), - EXYNOS_PIN_BANK_EINTG(8, 0x120, "gpd2", 0x24), - EXYNOS_PIN_BANK_EINTG(5, 0x140, "gpd4", 0x28), - EXYNOS_PIN_BANK_EINTG(2, 0x160, "gpd8", 0x2c), - EXYNOS_PIN_BANK_EINTG(7, 0x180, "gpd6", 0x30), - EXYNOS_PIN_BANK_EINTG(3, 0x1a0, "gpd7", 0x34), - EXYNOS_PIN_BANK_EINTG(5, 0x1c0, "gpg1", 0x38), - EXYNOS_PIN_BANK_EINTG(2, 0x1e0, "gpg2", 0x3c), - EXYNOS_PIN_BANK_EINTG(8, 0x200, "gpg3", 0x40), + EXYNOS5433_PIN_BANK_EINTG(6, 0x000, "gpv7", 0x00), + EXYNOS5433_PIN_BANK_EINTG(5, 0x020, "gpb0", 0x04), + EXYNOS5433_PIN_BANK_EINTG(8, 0x040, "gpc0", 0x08), + EXYNOS5433_PIN_BANK_EINTG(2, 0x060, "gpc1", 0x0c), + EXYNOS5433_PIN_BANK_EINTG(6, 0x080, "gpc2", 0x10), + EXYNOS5433_PIN_BANK_EINTG(8, 0x0a0, "gpc3", 0x14), + EXYNOS5433_PIN_BANK_EINTG(2, 0x0c0, "gpg0", 0x18), + EXYNOS5433_PIN_BANK_EINTG(4, 0x0e0, "gpd0", 0x1c), + EXYNOS5433_PIN_BANK_EINTG(6, 0x100, "gpd1", 0x20), + EXYNOS5433_PIN_BANK_EINTG(8, 0x120, "gpd2", 0x24), + EXYNOS5433_PIN_BANK_EINTG(5, 0x140, "gpd4", 0x28), + EXYNOS5433_PIN_BANK_EINTG(2, 0x160, "gpd8", 0x2c), + EXYNOS5433_PIN_BANK_EINTG(7, 0x180, "gpd6", 0x30), + EXYNOS5433_PIN_BANK_EINTG(3, 0x1a0, "gpd7", 0x34), + EXYNOS5433_PIN_BANK_EINTG(5, 0x1c0, "gpg1", 0x38), + EXYNOS5433_PIN_BANK_EINTG(2, 0x1e0, "gpg2", 0x3c), + EXYNOS5433_PIN_BANK_EINTG(8, 0x200, "gpg3", 0x40), }; /* pin banks of exynos5433 pin-controller - TOUCH */ static const struct samsung_pin_bank_data exynos5433_pin_banks9[] __initconst = { - EXYNOS_PIN_BANK_EINTG(3, 0x000, "gpj1", 0x00), + EXYNOS5433_PIN_BANK_EINTG(3, 0x000, "gpj1", 0x00), }; /* diff --git a/drivers/pinctrl/samsung/pinctrl-exynos.h b/drivers/pinctrl/samsung/pinctrl-exynos.h index a473092..cd046eb 100644 --- a/drivers/pinctrl/samsung/pinctrl-exynos.h +++ b/drivers/pinctrl/samsung/pinctrl-exynos.h @@ -79,17 +79,6 @@ .name = id \ } -#define EXYNOS_PIN_BANK_EINTW_EXT(pins, reg, id, offs, pctl_idx) \ - { \ - .type = &bank_type_alive, \ - .pctl_offset = reg, \ - .nr_pins = pins, \ - .eint_type = EINT_TYPE_WKUP, \ - .eint_offset = offs, \ - .name = id, \ - .pctl_res_idx = pctl_idx, \ - } \ - #define EXYNOS5433_PIN_BANK_EINTG(pins, reg, id, offs) \ { \ .type = &exynos5433_bank_type_off, \ diff --git a/drivers/pinctrl/samsung/pinctrl-samsung.c b/drivers/pinctrl/samsung/pinctrl-samsung.c index f9ddba7..d7aa22c 100644 --- a/drivers/pinctrl/samsung/pinctrl-samsung.c +++ b/drivers/pinctrl/samsung/pinctrl-samsung.c @@ -988,9 +988,16 @@ samsung_pinctrl_get_soc_data(struct samsung_pinctrl_drv_data *d, for (i = 0; i < ctrl->nr_ext_resources + 1; i++) { res = platform_get_resource(pdev, IORESOURCE_MEM, i); - virt_base[i] = devm_ioremap_resource(&pdev->dev, res); - if (IS_ERR(virt_base[i])) - return ERR_CAST(virt_base[i]); + if (!res) { + dev_err(&pdev->dev, "failed to get mem%d resource\n", i); + return ERR_PTR(-EINVAL); + } + virt_base[i] = devm_ioremap(&pdev->dev, res->start, + resource_size(res)); + if (!virt_base[i]) { + dev_err(&pdev->dev, "failed to ioremap %pR\n", res); + return ERR_PTR(-EIO); + } } bank = d->pin_banks; diff --git a/drivers/pinctrl/sh-pfc/pinctrl.c b/drivers/pinctrl/sh-pfc/pinctrl.c index 08150a3..a70157f 100644 --- a/drivers/pinctrl/sh-pfc/pinctrl.c +++ b/drivers/pinctrl/sh-pfc/pinctrl.c @@ -816,6 +816,13 @@ int sh_pfc_register_pinctrl(struct sh_pfc *pfc) pmx->pctl_desc.pins = pmx->pins; pmx->pctl_desc.npins = pfc->info->nr_pins; - return devm_pinctrl_register_and_init(pfc->dev, &pmx->pctl_desc, pmx, - &pmx->pctl); + ret = devm_pinctrl_register_and_init(pfc->dev, &pmx->pctl_desc, pmx, + &pmx->pctl); + if (ret) { + dev_err(pfc->dev, "could not register: %i\n", ret); + + return ret; + } + + return pinctrl_enable(pmx->pctl); } diff --git a/drivers/pinctrl/ti/Kconfig b/drivers/pinctrl/ti/Kconfig index 815a886..5420770 100644 --- a/drivers/pinctrl/ti/Kconfig +++ b/drivers/pinctrl/ti/Kconfig @@ -1,6 +1,6 @@ config PINCTRL_TI_IODELAY tristate "TI IODelay Module pinconf driver" - depends on OF + depends on OF && (SOC_DRA7XX || COMPILE_TEST) select GENERIC_PINCTRL_GROUPS select GENERIC_PINMUX_FUNCTIONS select GENERIC_PINCONF diff --git a/drivers/pinctrl/ti/pinctrl-ti-iodelay.c b/drivers/pinctrl/ti/pinctrl-ti-iodelay.c index 717e340..362c509 100644 --- a/drivers/pinctrl/ti/pinctrl-ti-iodelay.c +++ b/drivers/pinctrl/ti/pinctrl-ti-iodelay.c @@ -893,6 +893,8 @@ static int ti_iodelay_probe(struct platform_device *pdev) platform_set_drvdata(pdev, iod); + return pinctrl_enable(iod->pctl); + exit_out: of_node_put(np); return ret; diff --git a/drivers/platform/x86/asus-nb-wmi.c b/drivers/platform/x86/asus-nb-wmi.c index 5be4783..dea98ff 100644 --- a/drivers/platform/x86/asus-nb-wmi.c +++ b/drivers/platform/x86/asus-nb-wmi.c @@ -103,15 +103,6 @@ static struct quirk_entry quirk_asus_x200ca = { .wapf = 2, }; -static struct quirk_entry quirk_no_rfkill = { - .no_rfkill = true, -}; - -static struct quirk_entry quirk_no_rfkill_wapf4 = { - .wapf = 4, - .no_rfkill = true, -}; - static struct quirk_entry quirk_asus_ux303ub = { .wmi_backlight_native = true, }; @@ -194,7 +185,7 @@ static const struct dmi_system_id asus_quirks[] = { DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."), DMI_MATCH(DMI_PRODUCT_NAME, "X456UA"), }, - .driver_data = &quirk_no_rfkill_wapf4, + .driver_data = &quirk_asus_wapf4, }, { .callback = dmi_matched, @@ -203,7 +194,7 @@ static const struct dmi_system_id asus_quirks[] = { DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."), DMI_MATCH(DMI_PRODUCT_NAME, "X456UF"), }, - .driver_data = &quirk_no_rfkill_wapf4, + .driver_data = &quirk_asus_wapf4, }, { .callback = dmi_matched, @@ -369,42 +360,6 @@ static const struct dmi_system_id asus_quirks[] = { }, { .callback = dmi_matched, - .ident = "ASUSTeK COMPUTER INC. X555UB", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."), - DMI_MATCH(DMI_PRODUCT_NAME, "X555UB"), - }, - .driver_data = &quirk_no_rfkill, - }, - { - .callback = dmi_matched, - .ident = "ASUSTeK COMPUTER INC. N552VW", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."), - DMI_MATCH(DMI_PRODUCT_NAME, "N552VW"), - }, - .driver_data = &quirk_no_rfkill, - }, - { - .callback = dmi_matched, - .ident = "ASUSTeK COMPUTER INC. U303LB", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."), - DMI_MATCH(DMI_PRODUCT_NAME, "U303LB"), - }, - .driver_data = &quirk_no_rfkill, - }, - { - .callback = dmi_matched, - .ident = "ASUSTeK COMPUTER INC. Z550MA", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."), - DMI_MATCH(DMI_PRODUCT_NAME, "Z550MA"), - }, - .driver_data = &quirk_no_rfkill, - }, - { - .callback = dmi_matched, .ident = "ASUSTeK COMPUTER INC. UX303UB", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."), diff --git a/drivers/platform/x86/asus-wmi.c b/drivers/platform/x86/asus-wmi.c index 43cb680..8fe5890 100644 --- a/drivers/platform/x86/asus-wmi.c +++ b/drivers/platform/x86/asus-wmi.c @@ -159,6 +159,8 @@ MODULE_LICENSE("GPL"); #define USB_INTEL_XUSB2PR 0xD0 #define PCI_DEVICE_ID_INTEL_LYNXPOINT_LP_XHCI 0x9c31 +static const char * const ashs_ids[] = { "ATK4001", "ATK4002", NULL }; + struct bios_args { u32 arg0; u32 arg1; @@ -2051,6 +2053,16 @@ static int asus_wmi_fan_init(struct asus_wmi *asus) return 0; } +static bool ashs_present(void) +{ + int i = 0; + while (ashs_ids[i]) { + if (acpi_dev_found(ashs_ids[i++])) + return true; + } + return false; +} + /* * WMI Driver */ @@ -2095,7 +2107,11 @@ static int asus_wmi_add(struct platform_device *pdev) if (err) goto fail_leds; - if (!asus->driver->quirks->no_rfkill) { + asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_WLAN, &result); + if (result & (ASUS_WMI_DSTS_PRESENCE_BIT | ASUS_WMI_DSTS_USER_BIT)) + asus->driver->wlan_ctrl_by_user = 1; + + if (!(asus->driver->wlan_ctrl_by_user && ashs_present())) { err = asus_wmi_rfkill_init(asus); if (err) goto fail_rfkill; @@ -2134,10 +2150,6 @@ static int asus_wmi_add(struct platform_device *pdev) if (err) goto fail_debugfs; - asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_WLAN, &result); - if (result & (ASUS_WMI_DSTS_PRESENCE_BIT | ASUS_WMI_DSTS_USER_BIT)) - asus->driver->wlan_ctrl_by_user = 1; - return 0; fail_debugfs: diff --git a/drivers/platform/x86/asus-wmi.h b/drivers/platform/x86/asus-wmi.h index fdff626..c9589d9 100644 --- a/drivers/platform/x86/asus-wmi.h +++ b/drivers/platform/x86/asus-wmi.h @@ -39,7 +39,6 @@ struct key_entry; struct asus_wmi; struct quirk_entry { - bool no_rfkill; bool hotplug_wireless; bool scalar_panel_brightness; bool store_backlight_power; diff --git a/drivers/platform/x86/fujitsu-laptop.c b/drivers/platform/x86/fujitsu-laptop.c index 2b218b1..e12cc35 100644 --- a/drivers/platform/x86/fujitsu-laptop.c +++ b/drivers/platform/x86/fujitsu-laptop.c @@ -78,18 +78,18 @@ #define FUJITSU_LCD_N_LEVELS 8 -#define ACPI_FUJITSU_CLASS "fujitsu" -#define ACPI_FUJITSU_HID "FUJ02B1" -#define ACPI_FUJITSU_DRIVER_NAME "Fujitsu laptop FUJ02B1 ACPI brightness driver" -#define ACPI_FUJITSU_DEVICE_NAME "Fujitsu FUJ02B1" -#define ACPI_FUJITSU_HOTKEY_HID "FUJ02E3" -#define ACPI_FUJITSU_HOTKEY_DRIVER_NAME "Fujitsu laptop FUJ02E3 ACPI hotkeys driver" -#define ACPI_FUJITSU_HOTKEY_DEVICE_NAME "Fujitsu FUJ02E3" +#define ACPI_FUJITSU_CLASS "fujitsu" +#define ACPI_FUJITSU_BL_HID "FUJ02B1" +#define ACPI_FUJITSU_BL_DRIVER_NAME "Fujitsu laptop FUJ02B1 ACPI brightness driver" +#define ACPI_FUJITSU_BL_DEVICE_NAME "Fujitsu FUJ02B1" +#define ACPI_FUJITSU_LAPTOP_HID "FUJ02E3" +#define ACPI_FUJITSU_LAPTOP_DRIVER_NAME "Fujitsu laptop FUJ02E3 ACPI hotkeys driver" +#define ACPI_FUJITSU_LAPTOP_DEVICE_NAME "Fujitsu FUJ02E3" #define ACPI_FUJITSU_NOTIFY_CODE1 0x80 /* FUNC interface - command values */ -#define FUNC_RFKILL 0x1000 +#define FUNC_FLAGS 0x1000 #define FUNC_LEDS 0x1001 #define FUNC_BUTTONS 0x1002 #define FUNC_BACKLIGHT 0x1004 @@ -97,6 +97,11 @@ /* FUNC interface - responses */ #define UNSUPPORTED_CMD 0x80000000 +/* FUNC interface - status flags */ +#define FLAG_RFKILL 0x020 +#define FLAG_LID 0x100 +#define FLAG_DOCK 0x200 + #if IS_ENABLED(CONFIG_LEDS_CLASS) /* FUNC interface - LED control */ #define FUNC_LED_OFF 0x1 @@ -136,7 +141,7 @@ #endif /* Device controlling the backlight and associated keys */ -struct fujitsu_t { +struct fujitsu_bl { acpi_handle acpi_handle; struct acpi_device *dev; struct input_dev *input; @@ -150,12 +155,12 @@ struct fujitsu_t { unsigned int brightness_level; }; -static struct fujitsu_t *fujitsu; +static struct fujitsu_bl *fujitsu_bl; static int use_alt_lcd_levels = -1; static int disable_brightness_adjust = -1; -/* Device used to access other hotkeys on the laptop */ -struct fujitsu_hotkey_t { +/* Device used to access hotkeys and other features on the laptop */ +struct fujitsu_laptop { acpi_handle acpi_handle; struct acpi_device *dev; struct input_dev *input; @@ -163,17 +168,15 @@ struct fujitsu_hotkey_t { struct platform_device *pf_device; struct kfifo fifo; spinlock_t fifo_lock; - int rfkill_supported; - int rfkill_state; + int flags_supported; + int flags_state; int logolamp_registered; int kblamps_registered; int radio_led_registered; int eco_led_registered; }; -static struct fujitsu_hotkey_t *fujitsu_hotkey; - -static void acpi_fujitsu_hotkey_notify(struct acpi_device *device, u32 event); +static struct fujitsu_laptop *fujitsu_laptop; #if IS_ENABLED(CONFIG_LEDS_CLASS) static enum led_brightness logolamp_get(struct led_classdev *cdev); @@ -222,8 +225,6 @@ static struct led_classdev eco_led = { static u32 dbg_level = 0x03; #endif -static void acpi_fujitsu_notify(struct acpi_device *device, u32 event); - /* Fujitsu ACPI interface function */ static int call_fext_func(int cmd, int arg0, int arg1, int arg2) @@ -239,7 +240,7 @@ static int call_fext_func(int cmd, int arg0, int arg1, int arg2) unsigned long long value; acpi_handle handle = NULL; - status = acpi_get_handle(fujitsu_hotkey->acpi_handle, "FUNC", &handle); + status = acpi_get_handle(fujitsu_laptop->acpi_handle, "FUNC", &handle); if (ACPI_FAILURE(status)) { vdbg_printk(FUJLAPTOP_DBG_ERROR, "FUNC interface is not present\n"); @@ -300,9 +301,9 @@ static int radio_led_set(struct led_classdev *cdev, enum led_brightness brightness) { if (brightness >= LED_FULL) - return call_fext_func(FUNC_RFKILL, 0x5, RADIO_LED_ON, RADIO_LED_ON); + return call_fext_func(FUNC_FLAGS, 0x5, RADIO_LED_ON, RADIO_LED_ON); else - return call_fext_func(FUNC_RFKILL, 0x5, RADIO_LED_ON, 0x0); + return call_fext_func(FUNC_FLAGS, 0x5, RADIO_LED_ON, 0x0); } static int eco_led_set(struct led_classdev *cdev, @@ -346,7 +347,7 @@ static enum led_brightness radio_led_get(struct led_classdev *cdev) { enum led_brightness brightness = LED_OFF; - if (call_fext_func(FUNC_RFKILL, 0x4, 0x0, 0x0) & RADIO_LED_ON) + if (call_fext_func(FUNC_FLAGS, 0x4, 0x0, 0x0) & RADIO_LED_ON) brightness = LED_FULL; return brightness; @@ -373,10 +374,10 @@ static int set_lcd_level(int level) vdbg_printk(FUJLAPTOP_DBG_TRACE, "set lcd level via SBLL [%d]\n", level); - if (level < 0 || level >= fujitsu->max_brightness) + if (level < 0 || level >= fujitsu_bl->max_brightness) return -EINVAL; - status = acpi_get_handle(fujitsu->acpi_handle, "SBLL", &handle); + status = acpi_get_handle(fujitsu_bl->acpi_handle, "SBLL", &handle); if (ACPI_FAILURE(status)) { vdbg_printk(FUJLAPTOP_DBG_ERROR, "SBLL not present\n"); return -ENODEV; @@ -398,10 +399,10 @@ static int set_lcd_level_alt(int level) vdbg_printk(FUJLAPTOP_DBG_TRACE, "set lcd level via SBL2 [%d]\n", level); - if (level < 0 || level >= fujitsu->max_brightness) + if (level < 0 || level >= fujitsu_bl->max_brightness) return -EINVAL; - status = acpi_get_handle(fujitsu->acpi_handle, "SBL2", &handle); + status = acpi_get_handle(fujitsu_bl->acpi_handle, "SBL2", &handle); if (ACPI_FAILURE(status)) { vdbg_printk(FUJLAPTOP_DBG_ERROR, "SBL2 not present\n"); return -ENODEV; @@ -421,19 +422,19 @@ static int get_lcd_level(void) vdbg_printk(FUJLAPTOP_DBG_TRACE, "get lcd level via GBLL\n"); - status = - acpi_evaluate_integer(fujitsu->acpi_handle, "GBLL", NULL, &state); + status = acpi_evaluate_integer(fujitsu_bl->acpi_handle, "GBLL", NULL, + &state); if (ACPI_FAILURE(status)) return 0; - fujitsu->brightness_level = state & 0x0fffffff; + fujitsu_bl->brightness_level = state & 0x0fffffff; if (state & 0x80000000) - fujitsu->brightness_changed = 1; + fujitsu_bl->brightness_changed = 1; else - fujitsu->brightness_changed = 0; + fujitsu_bl->brightness_changed = 0; - return fujitsu->brightness_level; + return fujitsu_bl->brightness_level; } static int get_max_brightness(void) @@ -443,14 +444,14 @@ static int get_max_brightness(void) vdbg_printk(FUJLAPTOP_DBG_TRACE, "get max lcd level via RBLL\n"); - status = - acpi_evaluate_integer(fujitsu->acpi_handle, "RBLL", NULL, &state); + status = acpi_evaluate_integer(fujitsu_bl->acpi_handle, "RBLL", NULL, + &state); if (ACPI_FAILURE(status)) return -1; - fujitsu->max_brightness = state; + fujitsu_bl->max_brightness = state; - return fujitsu->max_brightness; + return fujitsu_bl->max_brightness; } /* Backlight device stuff */ @@ -483,7 +484,7 @@ static int bl_update_status(struct backlight_device *b) return ret; } -static const struct backlight_ops fujitsubl_ops = { +static const struct backlight_ops fujitsu_bl_ops = { .get_brightness = bl_get_brightness, .update_status = bl_update_status, }; @@ -511,7 +512,7 @@ show_brightness_changed(struct device *dev, int ret; - ret = fujitsu->brightness_changed; + ret = fujitsu_bl->brightness_changed; if (ret < 0) return ret; @@ -539,7 +540,7 @@ static ssize_t store_lcd_level(struct device *dev, int level, ret; if (sscanf(buf, "%i", &level) != 1 - || (level < 0 || level >= fujitsu->max_brightness)) + || (level < 0 || level >= fujitsu_bl->max_brightness)) return -EINVAL; if (use_alt_lcd_levels) @@ -567,9 +568,9 @@ static ssize_t show_lid_state(struct device *dev, struct device_attribute *attr, char *buf) { - if (!(fujitsu_hotkey->rfkill_supported & 0x100)) + if (!(fujitsu_laptop->flags_supported & FLAG_LID)) return sprintf(buf, "unknown\n"); - if (fujitsu_hotkey->rfkill_state & 0x100) + if (fujitsu_laptop->flags_state & FLAG_LID) return sprintf(buf, "open\n"); else return sprintf(buf, "closed\n"); @@ -579,9 +580,9 @@ static ssize_t show_dock_state(struct device *dev, struct device_attribute *attr, char *buf) { - if (!(fujitsu_hotkey->rfkill_supported & 0x200)) + if (!(fujitsu_laptop->flags_supported & FLAG_DOCK)) return sprintf(buf, "unknown\n"); - if (fujitsu_hotkey->rfkill_state & 0x200) + if (fujitsu_laptop->flags_state & FLAG_DOCK) return sprintf(buf, "docked\n"); else return sprintf(buf, "undocked\n"); @@ -591,9 +592,9 @@ static ssize_t show_radios_state(struct device *dev, struct device_attribute *attr, char *buf) { - if (!(fujitsu_hotkey->rfkill_supported & 0x20)) + if (!(fujitsu_laptop->flags_supported & FLAG_RFKILL)) return sprintf(buf, "unknown\n"); - if (fujitsu_hotkey->rfkill_state & 0x20) + if (fujitsu_laptop->flags_state & FLAG_RFKILL) return sprintf(buf, "on\n"); else return sprintf(buf, "killed\n"); @@ -607,7 +608,7 @@ static DEVICE_ATTR(lid, 0444, show_lid_state, ignore_store); static DEVICE_ATTR(dock, 0444, show_dock_state, ignore_store); static DEVICE_ATTR(radios, 0444, show_radios_state, ignore_store); -static struct attribute *fujitsupf_attributes[] = { +static struct attribute *fujitsu_pf_attributes[] = { &dev_attr_brightness_changed.attr, &dev_attr_max_brightness.attr, &dev_attr_lcd_level.attr, @@ -617,11 +618,11 @@ static struct attribute *fujitsupf_attributes[] = { NULL }; -static struct attribute_group fujitsupf_attribute_group = { - .attrs = fujitsupf_attributes +static struct attribute_group fujitsu_pf_attribute_group = { + .attrs = fujitsu_pf_attributes }; -static struct platform_driver fujitsupf_driver = { +static struct platform_driver fujitsu_pf_driver = { .driver = { .name = "fujitsu-laptop", } @@ -630,39 +631,30 @@ static struct platform_driver fujitsupf_driver = { static void __init dmi_check_cb_common(const struct dmi_system_id *id) { pr_info("Identified laptop model '%s'\n", id->ident); - if (use_alt_lcd_levels == -1) { - if (acpi_has_method(NULL, - "\\_SB.PCI0.LPCB.FJEX.SBL2")) - use_alt_lcd_levels = 1; - else - use_alt_lcd_levels = 0; - vdbg_printk(FUJLAPTOP_DBG_TRACE, "auto-detected usealt as " - "%i\n", use_alt_lcd_levels); - } } static int __init dmi_check_cb_s6410(const struct dmi_system_id *id) { dmi_check_cb_common(id); - fujitsu->keycode1 = KEY_SCREENLOCK; /* "Lock" */ - fujitsu->keycode2 = KEY_HELP; /* "Mobility Center" */ + fujitsu_bl->keycode1 = KEY_SCREENLOCK; /* "Lock" */ + fujitsu_bl->keycode2 = KEY_HELP; /* "Mobility Center" */ return 1; } static int __init dmi_check_cb_s6420(const struct dmi_system_id *id) { dmi_check_cb_common(id); - fujitsu->keycode1 = KEY_SCREENLOCK; /* "Lock" */ - fujitsu->keycode2 = KEY_HELP; /* "Mobility Center" */ + fujitsu_bl->keycode1 = KEY_SCREENLOCK; /* "Lock" */ + fujitsu_bl->keycode2 = KEY_HELP; /* "Mobility Center" */ return 1; } static int __init dmi_check_cb_p8010(const struct dmi_system_id *id) { dmi_check_cb_common(id); - fujitsu->keycode1 = KEY_HELP; /* "Support" */ - fujitsu->keycode3 = KEY_SWITCHVIDEOMODE; /* "Presentation" */ - fujitsu->keycode4 = KEY_WWW; /* "Internet" */ + fujitsu_bl->keycode1 = KEY_HELP; /* "Support" */ + fujitsu_bl->keycode3 = KEY_SWITCHVIDEOMODE; /* "Presentation" */ + fujitsu_bl->keycode4 = KEY_WWW; /* "Internet" */ return 1; } @@ -693,7 +685,7 @@ static const struct dmi_system_id fujitsu_dmi_table[] __initconst = { /* ACPI device for LCD brightness control */ -static int acpi_fujitsu_add(struct acpi_device *device) +static int acpi_fujitsu_bl_add(struct acpi_device *device) { int state = 0; struct input_dev *input; @@ -702,22 +694,22 @@ static int acpi_fujitsu_add(struct acpi_device *device) if (!device) return -EINVAL; - fujitsu->acpi_handle = device->handle; - sprintf(acpi_device_name(device), "%s", ACPI_FUJITSU_DEVICE_NAME); + fujitsu_bl->acpi_handle = device->handle; + sprintf(acpi_device_name(device), "%s", ACPI_FUJITSU_BL_DEVICE_NAME); sprintf(acpi_device_class(device), "%s", ACPI_FUJITSU_CLASS); - device->driver_data = fujitsu; + device->driver_data = fujitsu_bl; - fujitsu->input = input = input_allocate_device(); + fujitsu_bl->input = input = input_allocate_device(); if (!input) { error = -ENOMEM; goto err_stop; } - snprintf(fujitsu->phys, sizeof(fujitsu->phys), + snprintf(fujitsu_bl->phys, sizeof(fujitsu_bl->phys), "%s/video/input0", acpi_device_hid(device)); input->name = acpi_device_name(device); - input->phys = fujitsu->phys; + input->phys = fujitsu_bl->phys; input->id.bustype = BUS_HOST; input->id.product = 0x06; input->dev.parent = &device->dev; @@ -730,7 +722,7 @@ static int acpi_fujitsu_add(struct acpi_device *device) if (error) goto err_free_input_dev; - error = acpi_bus_update_power(fujitsu->acpi_handle, &state); + error = acpi_bus_update_power(fujitsu_bl->acpi_handle, &state); if (error) { pr_err("Error reading power state\n"); goto err_unregister_input_dev; @@ -740,7 +732,7 @@ static int acpi_fujitsu_add(struct acpi_device *device) acpi_device_name(device), acpi_device_bid(device), !device->power.state ? "on" : "off"); - fujitsu->dev = device; + fujitsu_bl->dev = device; if (acpi_has_method(device->handle, METHOD_NAME__INI)) { vdbg_printk(FUJLAPTOP_DBG_INFO, "Invoking _INI\n"); @@ -750,6 +742,15 @@ static int acpi_fujitsu_add(struct acpi_device *device) pr_err("_INI Method failed\n"); } + if (use_alt_lcd_levels == -1) { + if (acpi_has_method(NULL, "\\_SB.PCI0.LPCB.FJEX.SBL2")) + use_alt_lcd_levels = 1; + else + use_alt_lcd_levels = 0; + vdbg_printk(FUJLAPTOP_DBG_TRACE, "auto-detected usealt as %i\n", + use_alt_lcd_levels); + } + /* do config (detect defaults) */ use_alt_lcd_levels = use_alt_lcd_levels == 1 ? 1 : 0; disable_brightness_adjust = disable_brightness_adjust == 1 ? 1 : 0; @@ -758,7 +759,7 @@ static int acpi_fujitsu_add(struct acpi_device *device) use_alt_lcd_levels, disable_brightness_adjust); if (get_max_brightness() <= 0) - fujitsu->max_brightness = FUJITSU_LCD_N_LEVELS; + fujitsu_bl->max_brightness = FUJITSU_LCD_N_LEVELS; get_lcd_level(); return 0; @@ -772,38 +773,38 @@ err_stop: return error; } -static int acpi_fujitsu_remove(struct acpi_device *device) +static int acpi_fujitsu_bl_remove(struct acpi_device *device) { - struct fujitsu_t *fujitsu = acpi_driver_data(device); - struct input_dev *input = fujitsu->input; + struct fujitsu_bl *fujitsu_bl = acpi_driver_data(device); + struct input_dev *input = fujitsu_bl->input; input_unregister_device(input); - fujitsu->acpi_handle = NULL; + fujitsu_bl->acpi_handle = NULL; return 0; } /* Brightness notify */ -static void acpi_fujitsu_notify(struct acpi_device *device, u32 event) +static void acpi_fujitsu_bl_notify(struct acpi_device *device, u32 event) { struct input_dev *input; int keycode; int oldb, newb; - input = fujitsu->input; + input = fujitsu_bl->input; switch (event) { case ACPI_FUJITSU_NOTIFY_CODE1: keycode = 0; - oldb = fujitsu->brightness_level; + oldb = fujitsu_bl->brightness_level; get_lcd_level(); - newb = fujitsu->brightness_level; + newb = fujitsu_bl->brightness_level; vdbg_printk(FUJLAPTOP_DBG_TRACE, "brightness button event [%i -> %i (%i)]\n", - oldb, newb, fujitsu->brightness_changed); + oldb, newb, fujitsu_bl->brightness_changed); if (oldb < newb) { if (disable_brightness_adjust != 1) { @@ -840,7 +841,7 @@ static void acpi_fujitsu_notify(struct acpi_device *device, u32 event) /* ACPI device for hotkey handling */ -static int acpi_fujitsu_hotkey_add(struct acpi_device *device) +static int acpi_fujitsu_laptop_add(struct acpi_device *device) { int result = 0; int state = 0; @@ -851,42 +852,42 @@ static int acpi_fujitsu_hotkey_add(struct acpi_device *device) if (!device) return -EINVAL; - fujitsu_hotkey->acpi_handle = device->handle; + fujitsu_laptop->acpi_handle = device->handle; sprintf(acpi_device_name(device), "%s", - ACPI_FUJITSU_HOTKEY_DEVICE_NAME); + ACPI_FUJITSU_LAPTOP_DEVICE_NAME); sprintf(acpi_device_class(device), "%s", ACPI_FUJITSU_CLASS); - device->driver_data = fujitsu_hotkey; + device->driver_data = fujitsu_laptop; /* kfifo */ - spin_lock_init(&fujitsu_hotkey->fifo_lock); - error = kfifo_alloc(&fujitsu_hotkey->fifo, RINGBUFFERSIZE * sizeof(int), + spin_lock_init(&fujitsu_laptop->fifo_lock); + error = kfifo_alloc(&fujitsu_laptop->fifo, RINGBUFFERSIZE * sizeof(int), GFP_KERNEL); if (error) { pr_err("kfifo_alloc failed\n"); goto err_stop; } - fujitsu_hotkey->input = input = input_allocate_device(); + fujitsu_laptop->input = input = input_allocate_device(); if (!input) { error = -ENOMEM; goto err_free_fifo; } - snprintf(fujitsu_hotkey->phys, sizeof(fujitsu_hotkey->phys), + snprintf(fujitsu_laptop->phys, sizeof(fujitsu_laptop->phys), "%s/video/input0", acpi_device_hid(device)); input->name = acpi_device_name(device); - input->phys = fujitsu_hotkey->phys; + input->phys = fujitsu_laptop->phys; input->id.bustype = BUS_HOST; input->id.product = 0x06; input->dev.parent = &device->dev; set_bit(EV_KEY, input->evbit); - set_bit(fujitsu->keycode1, input->keybit); - set_bit(fujitsu->keycode2, input->keybit); - set_bit(fujitsu->keycode3, input->keybit); - set_bit(fujitsu->keycode4, input->keybit); - set_bit(fujitsu->keycode5, input->keybit); + set_bit(fujitsu_bl->keycode1, input->keybit); + set_bit(fujitsu_bl->keycode2, input->keybit); + set_bit(fujitsu_bl->keycode3, input->keybit); + set_bit(fujitsu_bl->keycode4, input->keybit); + set_bit(fujitsu_bl->keycode5, input->keybit); set_bit(KEY_TOUCHPAD_TOGGLE, input->keybit); set_bit(KEY_UNKNOWN, input->keybit); @@ -894,7 +895,7 @@ static int acpi_fujitsu_hotkey_add(struct acpi_device *device) if (error) goto err_free_input_dev; - error = acpi_bus_update_power(fujitsu_hotkey->acpi_handle, &state); + error = acpi_bus_update_power(fujitsu_laptop->acpi_handle, &state); if (error) { pr_err("Error reading power state\n"); goto err_unregister_input_dev; @@ -904,7 +905,7 @@ static int acpi_fujitsu_hotkey_add(struct acpi_device *device) acpi_device_name(device), acpi_device_bid(device), !device->power.state ? "on" : "off"); - fujitsu_hotkey->dev = device; + fujitsu_laptop->dev = device; if (acpi_has_method(device->handle, METHOD_NAME__INI)) { vdbg_printk(FUJLAPTOP_DBG_INFO, "Invoking _INI\n"); @@ -920,27 +921,27 @@ static int acpi_fujitsu_hotkey_add(struct acpi_device *device) ; /* No action, result is discarded */ vdbg_printk(FUJLAPTOP_DBG_INFO, "Discarded %i ringbuffer entries\n", i); - fujitsu_hotkey->rfkill_supported = - call_fext_func(FUNC_RFKILL, 0x0, 0x0, 0x0); + fujitsu_laptop->flags_supported = + call_fext_func(FUNC_FLAGS, 0x0, 0x0, 0x0); /* Make sure our bitmask of supported functions is cleared if the RFKILL function block is not implemented, like on the S7020. */ - if (fujitsu_hotkey->rfkill_supported == UNSUPPORTED_CMD) - fujitsu_hotkey->rfkill_supported = 0; + if (fujitsu_laptop->flags_supported == UNSUPPORTED_CMD) + fujitsu_laptop->flags_supported = 0; - if (fujitsu_hotkey->rfkill_supported) - fujitsu_hotkey->rfkill_state = - call_fext_func(FUNC_RFKILL, 0x4, 0x0, 0x0); + if (fujitsu_laptop->flags_supported) + fujitsu_laptop->flags_state = + call_fext_func(FUNC_FLAGS, 0x4, 0x0, 0x0); /* Suspect this is a keymap of the application panel, print it */ pr_info("BTNI: [0x%x]\n", call_fext_func(FUNC_BUTTONS, 0x0, 0x0, 0x0)); #if IS_ENABLED(CONFIG_LEDS_CLASS) if (call_fext_func(FUNC_LEDS, 0x0, 0x0, 0x0) & LOGOLAMP_POWERON) { - result = led_classdev_register(&fujitsu->pf_device->dev, + result = led_classdev_register(&fujitsu_bl->pf_device->dev, &logolamp_led); if (result == 0) { - fujitsu_hotkey->logolamp_registered = 1; + fujitsu_laptop->logolamp_registered = 1; } else { pr_err("Could not register LED handler for logo lamp, error %i\n", result); @@ -949,10 +950,10 @@ static int acpi_fujitsu_hotkey_add(struct acpi_device *device) if ((call_fext_func(FUNC_LEDS, 0x0, 0x0, 0x0) & KEYBOARD_LAMPS) && (call_fext_func(FUNC_BUTTONS, 0x0, 0x0, 0x0) == 0x0)) { - result = led_classdev_register(&fujitsu->pf_device->dev, + result = led_classdev_register(&fujitsu_bl->pf_device->dev, &kblamps_led); if (result == 0) { - fujitsu_hotkey->kblamps_registered = 1; + fujitsu_laptop->kblamps_registered = 1; } else { pr_err("Could not register LED handler for keyboard lamps, error %i\n", result); @@ -966,10 +967,10 @@ static int acpi_fujitsu_hotkey_add(struct acpi_device *device) * that an RF LED is present. */ if (call_fext_func(FUNC_BUTTONS, 0x0, 0x0, 0x0) & BIT(24)) { - result = led_classdev_register(&fujitsu->pf_device->dev, + result = led_classdev_register(&fujitsu_bl->pf_device->dev, &radio_led); if (result == 0) { - fujitsu_hotkey->radio_led_registered = 1; + fujitsu_laptop->radio_led_registered = 1; } else { pr_err("Could not register LED handler for radio LED, error %i\n", result); @@ -983,10 +984,10 @@ static int acpi_fujitsu_hotkey_add(struct acpi_device *device) */ if ((call_fext_func(FUNC_LEDS, 0x0, 0x0, 0x0) & BIT(14)) && (call_fext_func(FUNC_LEDS, 0x2, ECO_LED, 0x0) != UNSUPPORTED_CMD)) { - result = led_classdev_register(&fujitsu->pf_device->dev, + result = led_classdev_register(&fujitsu_bl->pf_device->dev, &eco_led); if (result == 0) { - fujitsu_hotkey->eco_led_registered = 1; + fujitsu_laptop->eco_led_registered = 1; } else { pr_err("Could not register LED handler for eco LED, error %i\n", result); @@ -1002,47 +1003,47 @@ err_unregister_input_dev: err_free_input_dev: input_free_device(input); err_free_fifo: - kfifo_free(&fujitsu_hotkey->fifo); + kfifo_free(&fujitsu_laptop->fifo); err_stop: return error; } -static int acpi_fujitsu_hotkey_remove(struct acpi_device *device) +static int acpi_fujitsu_laptop_remove(struct acpi_device *device) { - struct fujitsu_hotkey_t *fujitsu_hotkey = acpi_driver_data(device); - struct input_dev *input = fujitsu_hotkey->input; + struct fujitsu_laptop *fujitsu_laptop = acpi_driver_data(device); + struct input_dev *input = fujitsu_laptop->input; #if IS_ENABLED(CONFIG_LEDS_CLASS) - if (fujitsu_hotkey->logolamp_registered) + if (fujitsu_laptop->logolamp_registered) led_classdev_unregister(&logolamp_led); - if (fujitsu_hotkey->kblamps_registered) + if (fujitsu_laptop->kblamps_registered) led_classdev_unregister(&kblamps_led); - if (fujitsu_hotkey->radio_led_registered) + if (fujitsu_laptop->radio_led_registered) led_classdev_unregister(&radio_led); - if (fujitsu_hotkey->eco_led_registered) + if (fujitsu_laptop->eco_led_registered) led_classdev_unregister(&eco_led); #endif input_unregister_device(input); - kfifo_free(&fujitsu_hotkey->fifo); + kfifo_free(&fujitsu_laptop->fifo); - fujitsu_hotkey->acpi_handle = NULL; + fujitsu_laptop->acpi_handle = NULL; return 0; } -static void acpi_fujitsu_hotkey_press(int keycode) +static void acpi_fujitsu_laptop_press(int keycode) { - struct input_dev *input = fujitsu_hotkey->input; + struct input_dev *input = fujitsu_laptop->input; int status; - status = kfifo_in_locked(&fujitsu_hotkey->fifo, + status = kfifo_in_locked(&fujitsu_laptop->fifo, (unsigned char *)&keycode, sizeof(keycode), - &fujitsu_hotkey->fifo_lock); + &fujitsu_laptop->fifo_lock); if (status != sizeof(keycode)) { vdbg_printk(FUJLAPTOP_DBG_WARN, "Could not push keycode [0x%x]\n", keycode); @@ -1054,16 +1055,16 @@ static void acpi_fujitsu_hotkey_press(int keycode) "Push keycode into ringbuffer [%d]\n", keycode); } -static void acpi_fujitsu_hotkey_release(void) +static void acpi_fujitsu_laptop_release(void) { - struct input_dev *input = fujitsu_hotkey->input; + struct input_dev *input = fujitsu_laptop->input; int keycode, status; while (true) { - status = kfifo_out_locked(&fujitsu_hotkey->fifo, + status = kfifo_out_locked(&fujitsu_laptop->fifo, (unsigned char *)&keycode, sizeof(keycode), - &fujitsu_hotkey->fifo_lock); + &fujitsu_laptop->fifo_lock); if (status != sizeof(keycode)) return; input_report_key(input, keycode, 0); @@ -1073,14 +1074,14 @@ static void acpi_fujitsu_hotkey_release(void) } } -static void acpi_fujitsu_hotkey_notify(struct acpi_device *device, u32 event) +static void acpi_fujitsu_laptop_notify(struct acpi_device *device, u32 event) { struct input_dev *input; int keycode; unsigned int irb = 1; int i; - input = fujitsu_hotkey->input; + input = fujitsu_laptop->input; if (event != ACPI_FUJITSU_NOTIFY_CODE1) { keycode = KEY_UNKNOWN; @@ -1093,9 +1094,9 @@ static void acpi_fujitsu_hotkey_notify(struct acpi_device *device, u32 event) return; } - if (fujitsu_hotkey->rfkill_supported) - fujitsu_hotkey->rfkill_state = - call_fext_func(FUNC_RFKILL, 0x4, 0x0, 0x0); + if (fujitsu_laptop->flags_supported) + fujitsu_laptop->flags_state = + call_fext_func(FUNC_FLAGS, 0x4, 0x0, 0x0); i = 0; while ((irb = @@ -1103,19 +1104,19 @@ static void acpi_fujitsu_hotkey_notify(struct acpi_device *device, u32 event) && (i++) < MAX_HOTKEY_RINGBUFFER_SIZE) { switch (irb & 0x4ff) { case KEY1_CODE: - keycode = fujitsu->keycode1; + keycode = fujitsu_bl->keycode1; break; case KEY2_CODE: - keycode = fujitsu->keycode2; + keycode = fujitsu_bl->keycode2; break; case KEY3_CODE: - keycode = fujitsu->keycode3; + keycode = fujitsu_bl->keycode3; break; case KEY4_CODE: - keycode = fujitsu->keycode4; + keycode = fujitsu_bl->keycode4; break; case KEY5_CODE: - keycode = fujitsu->keycode5; + keycode = fujitsu_bl->keycode5; break; case 0: keycode = 0; @@ -1128,17 +1129,17 @@ static void acpi_fujitsu_hotkey_notify(struct acpi_device *device, u32 event) } if (keycode > 0) - acpi_fujitsu_hotkey_press(keycode); + acpi_fujitsu_laptop_press(keycode); else if (keycode == 0) - acpi_fujitsu_hotkey_release(); + acpi_fujitsu_laptop_release(); } /* On some models (first seen on the Skylake-based Lifebook * E736/E746/E756), the touchpad toggle hotkey (Fn+F4) is - * handled in software; its state is queried using FUNC_RFKILL + * handled in software; its state is queried using FUNC_FLAGS */ - if ((fujitsu_hotkey->rfkill_supported & BIT(26)) && - (call_fext_func(FUNC_RFKILL, 0x1, 0x0, 0x0) & BIT(26))) { + if ((fujitsu_laptop->flags_supported & BIT(26)) && + (call_fext_func(FUNC_FLAGS, 0x1, 0x0, 0x0) & BIT(26))) { keycode = KEY_TOUCHPAD_TOGGLE; input_report_key(input, keycode, 1); input_sync(input); @@ -1150,83 +1151,81 @@ static void acpi_fujitsu_hotkey_notify(struct acpi_device *device, u32 event) /* Initialization */ -static const struct acpi_device_id fujitsu_device_ids[] = { - {ACPI_FUJITSU_HID, 0}, +static const struct acpi_device_id fujitsu_bl_device_ids[] = { + {ACPI_FUJITSU_BL_HID, 0}, {"", 0}, }; -static struct acpi_driver acpi_fujitsu_driver = { - .name = ACPI_FUJITSU_DRIVER_NAME, +static struct acpi_driver acpi_fujitsu_bl_driver = { + .name = ACPI_FUJITSU_BL_DRIVER_NAME, .class = ACPI_FUJITSU_CLASS, - .ids = fujitsu_device_ids, + .ids = fujitsu_bl_device_ids, .ops = { - .add = acpi_fujitsu_add, - .remove = acpi_fujitsu_remove, - .notify = acpi_fujitsu_notify, + .add = acpi_fujitsu_bl_add, + .remove = acpi_fujitsu_bl_remove, + .notify = acpi_fujitsu_bl_notify, }, }; -static const struct acpi_device_id fujitsu_hotkey_device_ids[] = { - {ACPI_FUJITSU_HOTKEY_HID, 0}, +static const struct acpi_device_id fujitsu_laptop_device_ids[] = { + {ACPI_FUJITSU_LAPTOP_HID, 0}, {"", 0}, }; -static struct acpi_driver acpi_fujitsu_hotkey_driver = { - .name = ACPI_FUJITSU_HOTKEY_DRIVER_NAME, +static struct acpi_driver acpi_fujitsu_laptop_driver = { + .name = ACPI_FUJITSU_LAPTOP_DRIVER_NAME, .class = ACPI_FUJITSU_CLASS, - .ids = fujitsu_hotkey_device_ids, + .ids = fujitsu_laptop_device_ids, .ops = { - .add = acpi_fujitsu_hotkey_add, - .remove = acpi_fujitsu_hotkey_remove, - .notify = acpi_fujitsu_hotkey_notify, + .add = acpi_fujitsu_laptop_add, + .remove = acpi_fujitsu_laptop_remove, + .notify = acpi_fujitsu_laptop_notify, }, }; static const struct acpi_device_id fujitsu_ids[] __used = { - {ACPI_FUJITSU_HID, 0}, - {ACPI_FUJITSU_HOTKEY_HID, 0}, + {ACPI_FUJITSU_BL_HID, 0}, + {ACPI_FUJITSU_LAPTOP_HID, 0}, {"", 0} }; MODULE_DEVICE_TABLE(acpi, fujitsu_ids); static int __init fujitsu_init(void) { - int ret, result, max_brightness; + int ret, max_brightness; if (acpi_disabled) return -ENODEV; - fujitsu = kzalloc(sizeof(struct fujitsu_t), GFP_KERNEL); - if (!fujitsu) + fujitsu_bl = kzalloc(sizeof(struct fujitsu_bl), GFP_KERNEL); + if (!fujitsu_bl) return -ENOMEM; - fujitsu->keycode1 = KEY_PROG1; - fujitsu->keycode2 = KEY_PROG2; - fujitsu->keycode3 = KEY_PROG3; - fujitsu->keycode4 = KEY_PROG4; - fujitsu->keycode5 = KEY_RFKILL; + fujitsu_bl->keycode1 = KEY_PROG1; + fujitsu_bl->keycode2 = KEY_PROG2; + fujitsu_bl->keycode3 = KEY_PROG3; + fujitsu_bl->keycode4 = KEY_PROG4; + fujitsu_bl->keycode5 = KEY_RFKILL; dmi_check_system(fujitsu_dmi_table); - result = acpi_bus_register_driver(&acpi_fujitsu_driver); - if (result < 0) { - ret = -ENODEV; + ret = acpi_bus_register_driver(&acpi_fujitsu_bl_driver); + if (ret) goto fail_acpi; - } /* Register platform stuff */ - fujitsu->pf_device = platform_device_alloc("fujitsu-laptop", -1); - if (!fujitsu->pf_device) { + fujitsu_bl->pf_device = platform_device_alloc("fujitsu-laptop", -1); + if (!fujitsu_bl->pf_device) { ret = -ENOMEM; goto fail_platform_driver; } - ret = platform_device_add(fujitsu->pf_device); + ret = platform_device_add(fujitsu_bl->pf_device); if (ret) goto fail_platform_device1; ret = - sysfs_create_group(&fujitsu->pf_device->dev.kobj, - &fujitsupf_attribute_group); + sysfs_create_group(&fujitsu_bl->pf_device->dev.kobj, + &fujitsu_pf_attribute_group); if (ret) goto fail_platform_device2; @@ -1236,90 +1235,88 @@ static int __init fujitsu_init(void) struct backlight_properties props; memset(&props, 0, sizeof(struct backlight_properties)); - max_brightness = fujitsu->max_brightness; + max_brightness = fujitsu_bl->max_brightness; props.type = BACKLIGHT_PLATFORM; props.max_brightness = max_brightness - 1; - fujitsu->bl_device = backlight_device_register("fujitsu-laptop", - NULL, NULL, - &fujitsubl_ops, - &props); - if (IS_ERR(fujitsu->bl_device)) { - ret = PTR_ERR(fujitsu->bl_device); - fujitsu->bl_device = NULL; + fujitsu_bl->bl_device = backlight_device_register("fujitsu-laptop", + NULL, NULL, + &fujitsu_bl_ops, + &props); + if (IS_ERR(fujitsu_bl->bl_device)) { + ret = PTR_ERR(fujitsu_bl->bl_device); + fujitsu_bl->bl_device = NULL; goto fail_sysfs_group; } - fujitsu->bl_device->props.brightness = fujitsu->brightness_level; + fujitsu_bl->bl_device->props.brightness = fujitsu_bl->brightness_level; } - ret = platform_driver_register(&fujitsupf_driver); + ret = platform_driver_register(&fujitsu_pf_driver); if (ret) goto fail_backlight; - /* Register hotkey driver */ + /* Register laptop driver */ - fujitsu_hotkey = kzalloc(sizeof(struct fujitsu_hotkey_t), GFP_KERNEL); - if (!fujitsu_hotkey) { + fujitsu_laptop = kzalloc(sizeof(struct fujitsu_laptop), GFP_KERNEL); + if (!fujitsu_laptop) { ret = -ENOMEM; - goto fail_hotkey; + goto fail_laptop; } - result = acpi_bus_register_driver(&acpi_fujitsu_hotkey_driver); - if (result < 0) { - ret = -ENODEV; - goto fail_hotkey1; - } + ret = acpi_bus_register_driver(&acpi_fujitsu_laptop_driver); + if (ret) + goto fail_laptop1; /* Sync backlight power status (needs FUJ02E3 device, hence deferred) */ if (acpi_video_get_backlight_type() == acpi_backlight_vendor) { if (call_fext_func(FUNC_BACKLIGHT, 0x2, 0x4, 0x0) == 3) - fujitsu->bl_device->props.power = FB_BLANK_POWERDOWN; + fujitsu_bl->bl_device->props.power = FB_BLANK_POWERDOWN; else - fujitsu->bl_device->props.power = FB_BLANK_UNBLANK; + fujitsu_bl->bl_device->props.power = FB_BLANK_UNBLANK; } pr_info("driver " FUJITSU_DRIVER_VERSION " successfully loaded\n"); return 0; -fail_hotkey1: - kfree(fujitsu_hotkey); -fail_hotkey: - platform_driver_unregister(&fujitsupf_driver); +fail_laptop1: + kfree(fujitsu_laptop); +fail_laptop: + platform_driver_unregister(&fujitsu_pf_driver); fail_backlight: - backlight_device_unregister(fujitsu->bl_device); + backlight_device_unregister(fujitsu_bl->bl_device); fail_sysfs_group: - sysfs_remove_group(&fujitsu->pf_device->dev.kobj, - &fujitsupf_attribute_group); + sysfs_remove_group(&fujitsu_bl->pf_device->dev.kobj, + &fujitsu_pf_attribute_group); fail_platform_device2: - platform_device_del(fujitsu->pf_device); + platform_device_del(fujitsu_bl->pf_device); fail_platform_device1: - platform_device_put(fujitsu->pf_device); + platform_device_put(fujitsu_bl->pf_device); fail_platform_driver: - acpi_bus_unregister_driver(&acpi_fujitsu_driver); + acpi_bus_unregister_driver(&acpi_fujitsu_bl_driver); fail_acpi: - kfree(fujitsu); + kfree(fujitsu_bl); return ret; } static void __exit fujitsu_cleanup(void) { - acpi_bus_unregister_driver(&acpi_fujitsu_hotkey_driver); + acpi_bus_unregister_driver(&acpi_fujitsu_laptop_driver); - kfree(fujitsu_hotkey); + kfree(fujitsu_laptop); - platform_driver_unregister(&fujitsupf_driver); + platform_driver_unregister(&fujitsu_pf_driver); - backlight_device_unregister(fujitsu->bl_device); + backlight_device_unregister(fujitsu_bl->bl_device); - sysfs_remove_group(&fujitsu->pf_device->dev.kobj, - &fujitsupf_attribute_group); + sysfs_remove_group(&fujitsu_bl->pf_device->dev.kobj, + &fujitsu_pf_attribute_group); - platform_device_unregister(fujitsu->pf_device); + platform_device_unregister(fujitsu_bl->pf_device); - acpi_bus_unregister_driver(&acpi_fujitsu_driver); + acpi_bus_unregister_driver(&acpi_fujitsu_bl_driver); - kfree(fujitsu); + kfree(fujitsu_bl); pr_info("driver unloaded\n"); } @@ -1341,7 +1338,3 @@ MODULE_AUTHOR("Jonathan Woithe, Peter Gruber, Tony Vroon"); MODULE_DESCRIPTION("Fujitsu laptop extras support"); MODULE_VERSION(FUJITSU_DRIVER_VERSION); MODULE_LICENSE("GPL"); - -MODULE_ALIAS("dmi:*:svnFUJITSUSIEMENS:*:pvr:rvnFUJITSU:rnFJNB1D3:*:cvrS6410:*"); -MODULE_ALIAS("dmi:*:svnFUJITSUSIEMENS:*:pvr:rvnFUJITSU:rnFJNB1E6:*:cvrS6420:*"); -MODULE_ALIAS("dmi:*:svnFUJITSU:*:pvr:rvnFUJITSU:rnFJNB19C:*:cvrS7020:*"); diff --git a/drivers/ptp/ptp_kvm.c b/drivers/ptp/ptp_kvm.c index 09b4df7..bb86569 100644 --- a/drivers/ptp/ptp_kvm.c +++ b/drivers/ptp/ptp_kvm.c @@ -193,10 +193,7 @@ static int __init ptp_kvm_init(void) kvm_ptp_clock.ptp_clock = ptp_clock_register(&kvm_ptp_clock.caps, NULL); - if (IS_ERR(kvm_ptp_clock.ptp_clock)) - return PTR_ERR(kvm_ptp_clock.ptp_clock); - - return 0; + return PTR_ERR_OR_ZERO(kvm_ptp_clock.ptp_clock); } module_init(ptp_kvm_init); diff --git a/drivers/pwm/pwm-lpss-pci.c b/drivers/pwm/pwm-lpss-pci.c index 053088b..c1527cb 100644 --- a/drivers/pwm/pwm-lpss-pci.c +++ b/drivers/pwm/pwm-lpss-pci.c @@ -36,6 +36,14 @@ static const struct pwm_lpss_boardinfo pwm_lpss_bxt_info = { .clk_rate = 19200000, .npwm = 4, .base_unit_bits = 22, + .bypass = true, +}; + +/* Tangier */ +static const struct pwm_lpss_boardinfo pwm_lpss_tng_info = { + .clk_rate = 19200000, + .npwm = 4, + .base_unit_bits = 22, }; static int pwm_lpss_probe_pci(struct pci_dev *pdev, @@ -97,7 +105,7 @@ static const struct pci_device_id pwm_lpss_pci_ids[] = { { PCI_VDEVICE(INTEL, 0x0ac8), (unsigned long)&pwm_lpss_bxt_info}, { PCI_VDEVICE(INTEL, 0x0f08), (unsigned long)&pwm_lpss_byt_info}, { PCI_VDEVICE(INTEL, 0x0f09), (unsigned long)&pwm_lpss_byt_info}, - { PCI_VDEVICE(INTEL, 0x11a5), (unsigned long)&pwm_lpss_bxt_info}, + { PCI_VDEVICE(INTEL, 0x11a5), (unsigned long)&pwm_lpss_tng_info}, { PCI_VDEVICE(INTEL, 0x1ac8), (unsigned long)&pwm_lpss_bxt_info}, { PCI_VDEVICE(INTEL, 0x2288), (unsigned long)&pwm_lpss_bsw_info}, { PCI_VDEVICE(INTEL, 0x2289), (unsigned long)&pwm_lpss_bsw_info}, diff --git a/drivers/pwm/pwm-lpss-platform.c b/drivers/pwm/pwm-lpss-platform.c index b22b6fd..5d6ed15 100644 --- a/drivers/pwm/pwm-lpss-platform.c +++ b/drivers/pwm/pwm-lpss-platform.c @@ -37,6 +37,7 @@ static const struct pwm_lpss_boardinfo pwm_lpss_bxt_info = { .clk_rate = 19200000, .npwm = 4, .base_unit_bits = 22, + .bypass = true, }; static int pwm_lpss_probe_platform(struct platform_device *pdev) diff --git a/drivers/pwm/pwm-lpss.c b/drivers/pwm/pwm-lpss.c index 689d2c1..8db0d40 100644 --- a/drivers/pwm/pwm-lpss.c +++ b/drivers/pwm/pwm-lpss.c @@ -57,7 +57,7 @@ static inline void pwm_lpss_write(const struct pwm_device *pwm, u32 value) writel(value, lpwm->regs + pwm->hwpwm * PWM_SIZE + PWM); } -static int pwm_lpss_update(struct pwm_device *pwm) +static int pwm_lpss_wait_for_update(struct pwm_device *pwm) { struct pwm_lpss_chip *lpwm = to_lpwm(pwm->chip); const void __iomem *addr = lpwm->regs + pwm->hwpwm * PWM_SIZE + PWM; @@ -65,8 +65,6 @@ static int pwm_lpss_update(struct pwm_device *pwm) u32 val; int err; - pwm_lpss_write(pwm, pwm_lpss_read(pwm) | PWM_SW_UPDATE); - /* * PWM Configuration register has SW_UPDATE bit that is set when a new * configuration is written to the register. The bit is automatically @@ -122,6 +120,12 @@ static void pwm_lpss_prepare(struct pwm_lpss_chip *lpwm, struct pwm_device *pwm, pwm_lpss_write(pwm, ctrl); } +static inline void pwm_lpss_cond_enable(struct pwm_device *pwm, bool cond) +{ + if (cond) + pwm_lpss_write(pwm, pwm_lpss_read(pwm) | PWM_ENABLE); +} + static int pwm_lpss_apply(struct pwm_chip *chip, struct pwm_device *pwm, struct pwm_state *state) { @@ -137,18 +141,21 @@ static int pwm_lpss_apply(struct pwm_chip *chip, struct pwm_device *pwm, return ret; } pwm_lpss_prepare(lpwm, pwm, state->duty_cycle, state->period); - ret = pwm_lpss_update(pwm); + pwm_lpss_write(pwm, pwm_lpss_read(pwm) | PWM_SW_UPDATE); + pwm_lpss_cond_enable(pwm, lpwm->info->bypass == false); + ret = pwm_lpss_wait_for_update(pwm); if (ret) { pm_runtime_put(chip->dev); return ret; } - pwm_lpss_write(pwm, pwm_lpss_read(pwm) | PWM_ENABLE); + pwm_lpss_cond_enable(pwm, lpwm->info->bypass == true); } else { ret = pwm_lpss_is_updating(pwm); if (ret) return ret; pwm_lpss_prepare(lpwm, pwm, state->duty_cycle, state->period); - return pwm_lpss_update(pwm); + pwm_lpss_write(pwm, pwm_lpss_read(pwm) | PWM_SW_UPDATE); + return pwm_lpss_wait_for_update(pwm); } } else if (pwm_is_enabled(pwm)) { pwm_lpss_write(pwm, pwm_lpss_read(pwm) & ~PWM_ENABLE); diff --git a/drivers/pwm/pwm-lpss.h b/drivers/pwm/pwm-lpss.h index c94cd7c..98306bb 100644 --- a/drivers/pwm/pwm-lpss.h +++ b/drivers/pwm/pwm-lpss.h @@ -22,6 +22,7 @@ struct pwm_lpss_boardinfo { unsigned long clk_rate; unsigned int npwm; unsigned long base_unit_bits; + bool bypass; }; struct pwm_lpss_chip *pwm_lpss_probe(struct device *dev, struct resource *r, diff --git a/drivers/pwm/pwm-rockchip.c b/drivers/pwm/pwm-rockchip.c index ef89df1..744d561 100644 --- a/drivers/pwm/pwm-rockchip.c +++ b/drivers/pwm/pwm-rockchip.c @@ -191,6 +191,28 @@ static int rockchip_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm, return 0; } +static int rockchip_pwm_enable(struct pwm_chip *chip, + struct pwm_device *pwm, + bool enable, + enum pwm_polarity polarity) +{ + struct rockchip_pwm_chip *pc = to_rockchip_pwm_chip(chip); + int ret; + + if (enable) { + ret = clk_enable(pc->clk); + if (ret) + return ret; + } + + pc->data->set_enable(chip, pwm, enable, polarity); + + if (!enable) + clk_disable(pc->clk); + + return 0; +} + static int rockchip_pwm_apply(struct pwm_chip *chip, struct pwm_device *pwm, struct pwm_state *state) { @@ -207,22 +229,26 @@ static int rockchip_pwm_apply(struct pwm_chip *chip, struct pwm_device *pwm, return ret; if (state->polarity != curstate.polarity && enabled) { - pc->data->set_enable(chip, pwm, false, state->polarity); + ret = rockchip_pwm_enable(chip, pwm, false, state->polarity); + if (ret) + goto out; enabled = false; } ret = rockchip_pwm_config(chip, pwm, state->duty_cycle, state->period); if (ret) { if (enabled != curstate.enabled) - pc->data->set_enable(chip, pwm, !enabled, - state->polarity); - + rockchip_pwm_enable(chip, pwm, !enabled, + state->polarity); goto out; } - if (state->enabled != enabled) - pc->data->set_enable(chip, pwm, state->enabled, - state->polarity); + if (state->enabled != enabled) { + ret = rockchip_pwm_enable(chip, pwm, state->enabled, + state->polarity); + if (ret) + goto out; + } /* * Update the state with the real hardware, which can differ a bit diff --git a/drivers/rapidio/devices/tsi721.c b/drivers/rapidio/devices/tsi721.c index 9d19b9a..315a4be 100644 --- a/drivers/rapidio/devices/tsi721.c +++ b/drivers/rapidio/devices/tsi721.c @@ -37,8 +37,8 @@ #include "tsi721.h" #ifdef DEBUG -u32 dbg_level; -module_param(dbg_level, uint, S_IWUSR | S_IRUGO); +u32 tsi_dbg_level; +module_param_named(dbg_level, tsi_dbg_level, uint, S_IWUSR | S_IRUGO); MODULE_PARM_DESC(dbg_level, "Debugging output level (default 0 = none)"); #endif diff --git a/drivers/rapidio/devices/tsi721.h b/drivers/rapidio/devices/tsi721.h index 5941437..957eadc 100644 --- a/drivers/rapidio/devices/tsi721.h +++ b/drivers/rapidio/devices/tsi721.h @@ -40,11 +40,11 @@ enum { }; #ifdef DEBUG -extern u32 dbg_level; +extern u32 tsi_dbg_level; #define tsi_debug(level, dev, fmt, arg...) \ do { \ - if (DBG_##level & dbg_level) \ + if (DBG_##level & tsi_dbg_level) \ dev_dbg(dev, "%s: " fmt "\n", __func__, ##arg); \ } while (0) #else diff --git a/drivers/remoteproc/Kconfig b/drivers/remoteproc/Kconfig index 65f86bc..1dc43fc 100644 --- a/drivers/remoteproc/Kconfig +++ b/drivers/remoteproc/Kconfig @@ -76,7 +76,7 @@ config QCOM_ADSP_PIL depends on OF && ARCH_QCOM depends on REMOTEPROC depends on QCOM_SMEM - depends on QCOM_SMD || (COMPILE_TEST && QCOM_SMD=n) + depends on RPMSG_QCOM_SMD || QCOM_SMD || (COMPILE_TEST && QCOM_SMD=n && RPMSG_QCOM_SMD=n) select MFD_SYSCON select QCOM_MDT_LOADER select QCOM_RPROC_COMMON @@ -93,7 +93,7 @@ config QCOM_Q6V5_PIL depends on OF && ARCH_QCOM depends on QCOM_SMEM depends on REMOTEPROC - depends on QCOM_SMD || (COMPILE_TEST && QCOM_SMD=n) + depends on RPMSG_QCOM_SMD || QCOM_SMD || (COMPILE_TEST && QCOM_SMD=n && RPMSG_QCOM_SMD=n) select MFD_SYSCON select QCOM_RPROC_COMMON select QCOM_SCM @@ -104,7 +104,7 @@ config QCOM_Q6V5_PIL config QCOM_WCNSS_PIL tristate "Qualcomm WCNSS Peripheral Image Loader" depends on OF && ARCH_QCOM - depends on QCOM_SMD || (COMPILE_TEST && QCOM_SMD=n) + depends on RPMSG_QCOM_SMD || QCOM_SMD || (COMPILE_TEST && QCOM_SMD=n && RPMSG_QCOM_SMD=n) depends on QCOM_SMEM depends on REMOTEPROC select QCOM_MDT_LOADER diff --git a/drivers/s390/crypto/pkey_api.c b/drivers/s390/crypto/pkey_api.c index 40f1136..058db72 100644 --- a/drivers/s390/crypto/pkey_api.c +++ b/drivers/s390/crypto/pkey_api.c @@ -572,6 +572,12 @@ int pkey_sec2protkey(u16 cardnr, u16 domain, rc = -EIO; goto out; } + if (prepcblk->ccp_rscode != 0) { + DEBUG_WARN( + "pkey_sec2protkey unwrap secure key warning, card response %d/%d\n", + (int) prepcblk->ccp_rtcode, + (int) prepcblk->ccp_rscode); + } /* process response cprb param block */ prepcblk->rpl_parmb = ((u8 *) prepcblk) + sizeof(struct CPRBX); @@ -761,9 +767,10 @@ out: } /* - * Fetch just the mkvp value via query_crypto_facility from adapter. + * Fetch the current and old mkvp values via + * query_crypto_facility from adapter. */ -static int fetch_mkvp(u16 cardnr, u16 domain, u64 *mkvp) +static int fetch_mkvp(u16 cardnr, u16 domain, u64 mkvp[2]) { int rc, found = 0; size_t rlen, vlen; @@ -779,9 +786,10 @@ static int fetch_mkvp(u16 cardnr, u16 domain, u64 *mkvp) rc = query_crypto_facility(cardnr, domain, "STATICSA", rarray, &rlen, varray, &vlen); if (rc == 0 && rlen > 8*8 && vlen > 184+8) { - if (rarray[64] == '2') { + if (rarray[8*8] == '2') { /* current master key state is valid */ - *mkvp = *((u64 *)(varray + 184)); + mkvp[0] = *((u64 *)(varray + 184)); + mkvp[1] = *((u64 *)(varray + 172)); found = 1; } } @@ -796,14 +804,14 @@ struct mkvp_info { struct list_head list; u16 cardnr; u16 domain; - u64 mkvp; + u64 mkvp[2]; }; /* a list with mkvp_info entries */ static LIST_HEAD(mkvp_list); static DEFINE_SPINLOCK(mkvp_list_lock); -static int mkvp_cache_fetch(u16 cardnr, u16 domain, u64 *mkvp) +static int mkvp_cache_fetch(u16 cardnr, u16 domain, u64 mkvp[2]) { int rc = -ENOENT; struct mkvp_info *ptr; @@ -812,7 +820,7 @@ static int mkvp_cache_fetch(u16 cardnr, u16 domain, u64 *mkvp) list_for_each_entry(ptr, &mkvp_list, list) { if (ptr->cardnr == cardnr && ptr->domain == domain) { - *mkvp = ptr->mkvp; + memcpy(mkvp, ptr->mkvp, 2 * sizeof(u64)); rc = 0; break; } @@ -822,7 +830,7 @@ static int mkvp_cache_fetch(u16 cardnr, u16 domain, u64 *mkvp) return rc; } -static void mkvp_cache_update(u16 cardnr, u16 domain, u64 mkvp) +static void mkvp_cache_update(u16 cardnr, u16 domain, u64 mkvp[2]) { int found = 0; struct mkvp_info *ptr; @@ -831,7 +839,7 @@ static void mkvp_cache_update(u16 cardnr, u16 domain, u64 mkvp) list_for_each_entry(ptr, &mkvp_list, list) { if (ptr->cardnr == cardnr && ptr->domain == domain) { - ptr->mkvp = mkvp; + memcpy(ptr->mkvp, mkvp, 2 * sizeof(u64)); found = 1; break; } @@ -844,7 +852,7 @@ static void mkvp_cache_update(u16 cardnr, u16 domain, u64 mkvp) } ptr->cardnr = cardnr; ptr->domain = domain; - ptr->mkvp = mkvp; + memcpy(ptr->mkvp, mkvp, 2 * sizeof(u64)); list_add(&ptr->list, &mkvp_list); } spin_unlock_bh(&mkvp_list_lock); @@ -888,8 +896,8 @@ int pkey_findcard(const struct pkey_seckey *seckey, struct secaeskeytoken *t = (struct secaeskeytoken *) seckey; struct zcrypt_device_matrix *device_matrix; u16 card, dom; - u64 mkvp; - int i, rc; + u64 mkvp[2]; + int i, rc, oi = -1; /* mkvp must not be zero */ if (t->mkvp == 0) @@ -910,14 +918,14 @@ int pkey_findcard(const struct pkey_seckey *seckey, device_matrix->device[i].functions & 0x04) { /* an enabled CCA Coprocessor card */ /* try cached mkvp */ - if (mkvp_cache_fetch(card, dom, &mkvp) == 0 && - t->mkvp == mkvp) { + if (mkvp_cache_fetch(card, dom, mkvp) == 0 && + t->mkvp == mkvp[0]) { if (!verify) break; /* verify: fetch mkvp from adapter */ - if (fetch_mkvp(card, dom, &mkvp) == 0) { + if (fetch_mkvp(card, dom, mkvp) == 0) { mkvp_cache_update(card, dom, mkvp); - if (t->mkvp == mkvp) + if (t->mkvp == mkvp[0]) break; } } @@ -936,14 +944,21 @@ int pkey_findcard(const struct pkey_seckey *seckey, card = AP_QID_CARD(device_matrix->device[i].qid); dom = AP_QID_QUEUE(device_matrix->device[i].qid); /* fresh fetch mkvp from adapter */ - if (fetch_mkvp(card, dom, &mkvp) == 0) { + if (fetch_mkvp(card, dom, mkvp) == 0) { mkvp_cache_update(card, dom, mkvp); - if (t->mkvp == mkvp) + if (t->mkvp == mkvp[0]) break; + if (t->mkvp == mkvp[1] && oi < 0) + oi = i; } } + if (i >= MAX_ZDEV_ENTRIES && oi >= 0) { + /* old mkvp matched, use this card then */ + card = AP_QID_CARD(device_matrix->device[oi].qid); + dom = AP_QID_QUEUE(device_matrix->device[oi].qid); + } } - if (i < MAX_ZDEV_ENTRIES) { + if (i < MAX_ZDEV_ENTRIES || oi >= 0) { if (pcardnr) *pcardnr = card; if (pdomain) diff --git a/drivers/s390/net/qeth_core.h b/drivers/s390/net/qeth_core.h index e7addea..d9561e3 100644 --- a/drivers/s390/net/qeth_core.h +++ b/drivers/s390/net/qeth_core.h @@ -961,7 +961,8 @@ int qeth_bridgeport_query_ports(struct qeth_card *card, int qeth_bridgeport_setrole(struct qeth_card *card, enum qeth_sbp_roles role); int qeth_bridgeport_an_set(struct qeth_card *card, int enable); int qeth_get_priority_queue(struct qeth_card *, struct sk_buff *, int, int); -int qeth_get_elements_no(struct qeth_card *, struct sk_buff *, int); +int qeth_get_elements_no(struct qeth_card *card, struct sk_buff *skb, + int extra_elems, int data_offset); int qeth_get_elements_for_frags(struct sk_buff *); int qeth_do_send_packet_fast(struct qeth_card *, struct qeth_qdio_out_q *, struct sk_buff *, struct qeth_hdr *, int, int, int); diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c index 315d8a2..9a5f99c 100644 --- a/drivers/s390/net/qeth_core_main.c +++ b/drivers/s390/net/qeth_core_main.c @@ -3837,6 +3837,7 @@ EXPORT_SYMBOL_GPL(qeth_get_elements_for_frags); * @card: qeth card structure, to check max. elems. * @skb: SKB address * @extra_elems: extra elems needed, to check against max. + * @data_offset: range starts at skb->data + data_offset * * Returns the number of pages, and thus QDIO buffer elements, needed to cover * skb data, including linear part and fragments. Checks if the result plus @@ -3844,10 +3845,10 @@ EXPORT_SYMBOL_GPL(qeth_get_elements_for_frags); * Note: extra_elems is not included in the returned result. */ int qeth_get_elements_no(struct qeth_card *card, - struct sk_buff *skb, int extra_elems) + struct sk_buff *skb, int extra_elems, int data_offset) { int elements = qeth_get_elements_for_range( - (addr_t)skb->data, + (addr_t)skb->data + data_offset, (addr_t)skb->data + skb_headlen(skb)) + qeth_get_elements_for_frags(skb); diff --git a/drivers/s390/net/qeth_l2_main.c b/drivers/s390/net/qeth_l2_main.c index bea4833..af4e6a6 100644 --- a/drivers/s390/net/qeth_l2_main.c +++ b/drivers/s390/net/qeth_l2_main.c @@ -849,7 +849,7 @@ static int qeth_l2_hard_start_xmit(struct sk_buff *skb, struct net_device *dev) * chaining we can not send long frag lists */ if ((card->info.type != QETH_CARD_TYPE_IQD) && - !qeth_get_elements_no(card, new_skb, 0)) { + !qeth_get_elements_no(card, new_skb, 0, 0)) { int lin_rc = skb_linearize(new_skb); if (card->options.performance_stats) { @@ -894,7 +894,8 @@ static int qeth_l2_hard_start_xmit(struct sk_buff *skb, struct net_device *dev) } } - elements = qeth_get_elements_no(card, new_skb, elements_needed); + elements = qeth_get_elements_no(card, new_skb, elements_needed, + (data_offset > 0) ? data_offset : 0); if (!elements) { if (data_offset >= 0) kmem_cache_free(qeth_core_header_cache, hdr); diff --git a/drivers/s390/net/qeth_l3_main.c b/drivers/s390/net/qeth_l3_main.c index 06d0add..653f0fb 100644 --- a/drivers/s390/net/qeth_l3_main.c +++ b/drivers/s390/net/qeth_l3_main.c @@ -2609,17 +2609,13 @@ static void qeth_l3_fill_af_iucv_hdr(struct qeth_card *card, char daddr[16]; struct af_iucv_trans_hdr *iucv_hdr; - skb_pull(skb, 14); - card->dev->header_ops->create(skb, card->dev, 0, - card->dev->dev_addr, card->dev->dev_addr, - card->dev->addr_len); - skb_pull(skb, 14); - iucv_hdr = (struct af_iucv_trans_hdr *)skb->data; memset(hdr, 0, sizeof(struct qeth_hdr)); hdr->hdr.l3.id = QETH_HEADER_TYPE_LAYER3; hdr->hdr.l3.ext_flags = 0; - hdr->hdr.l3.length = skb->len; + hdr->hdr.l3.length = skb->len - ETH_HLEN; hdr->hdr.l3.flags = QETH_HDR_IPV6 | QETH_CAST_UNICAST; + + iucv_hdr = (struct af_iucv_trans_hdr *) (skb->data + ETH_HLEN); memset(daddr, 0, sizeof(daddr)); daddr[0] = 0xfe; daddr[1] = 0x80; @@ -2823,10 +2819,7 @@ static int qeth_l3_hard_start_xmit(struct sk_buff *skb, struct net_device *dev) if ((card->info.type == QETH_CARD_TYPE_IQD) && !skb_is_nonlinear(skb)) { new_skb = skb; - if (new_skb->protocol == ETH_P_AF_IUCV) - data_offset = 0; - else - data_offset = ETH_HLEN; + data_offset = ETH_HLEN; hdr = kmem_cache_alloc(qeth_core_header_cache, GFP_ATOMIC); if (!hdr) goto tx_drop; @@ -2867,7 +2860,7 @@ static int qeth_l3_hard_start_xmit(struct sk_buff *skb, struct net_device *dev) */ if ((card->info.type != QETH_CARD_TYPE_IQD) && ((use_tso && !qeth_l3_get_elements_no_tso(card, new_skb, 1)) || - (!use_tso && !qeth_get_elements_no(card, new_skb, 0)))) { + (!use_tso && !qeth_get_elements_no(card, new_skb, 0, 0)))) { int lin_rc = skb_linearize(new_skb); if (card->options.performance_stats) { @@ -2909,7 +2902,8 @@ static int qeth_l3_hard_start_xmit(struct sk_buff *skb, struct net_device *dev) elements = use_tso ? qeth_l3_get_elements_no_tso(card, new_skb, hdr_elements) : - qeth_get_elements_no(card, new_skb, hdr_elements); + qeth_get_elements_no(card, new_skb, hdr_elements, + (data_offset > 0) ? data_offset : 0); if (!elements) { if (data_offset >= 0) kmem_cache_free(qeth_core_header_cache, hdr); diff --git a/drivers/scsi/Kconfig b/drivers/scsi/Kconfig index 230043c..3c52867 100644 --- a/drivers/scsi/Kconfig +++ b/drivers/scsi/Kconfig @@ -1241,16 +1241,15 @@ config SCSI_LPFC tristate "Emulex LightPulse Fibre Channel Support" depends on PCI && SCSI depends on SCSI_FC_ATTRS - depends on NVME_FC && NVME_TARGET_FC select CRC_T10DIF - help + ---help--- This lpfc driver supports the Emulex LightPulse Family of Fibre Channel PCI host adapters. config SCSI_LPFC_DEBUG_FS bool "Emulex LightPulse Fibre Channel debugfs Support" depends on SCSI_LPFC && DEBUG_FS - help + ---help--- This makes debugging information from the lpfc driver available via the debugfs filesystem. diff --git a/drivers/scsi/aacraid/aacraid.h b/drivers/scsi/aacraid/aacraid.h index d036a80..d281492 100644 --- a/drivers/scsi/aacraid/aacraid.h +++ b/drivers/scsi/aacraid/aacraid.h @@ -1690,9 +1690,6 @@ struct aac_dev #define aac_adapter_sync_cmd(dev, command, p1, p2, p3, p4, p5, p6, status, r1, r2, r3, r4) \ (dev)->a_ops.adapter_sync_cmd(dev, command, p1, p2, p3, p4, p5, p6, status, r1, r2, r3, r4) -#define aac_adapter_check_health(dev) \ - (dev)->a_ops.adapter_check_health(dev) - #define aac_adapter_restart(dev, bled, reset_type) \ ((dev)->a_ops.adapter_restart(dev, bled, reset_type)) @@ -2615,6 +2612,14 @@ static inline unsigned int cap_to_cyls(sector_t capacity, unsigned divisor) return capacity; } +static inline int aac_adapter_check_health(struct aac_dev *dev) +{ + if (unlikely(pci_channel_offline(dev->pdev))) + return -1; + + return (dev)->a_ops.adapter_check_health(dev); +} + /* SCp.phase values */ #define AAC_OWNER_MIDLEVEL 0x101 #define AAC_OWNER_LOWLEVEL 0x102 diff --git a/drivers/scsi/aacraid/commsup.c b/drivers/scsi/aacraid/commsup.c index a3ad042..1f49183 100644 --- a/drivers/scsi/aacraid/commsup.c +++ b/drivers/scsi/aacraid/commsup.c @@ -1873,7 +1873,8 @@ int aac_check_health(struct aac_dev * aac) spin_unlock_irqrestore(&aac->fib_lock, flagv); if (BlinkLED < 0) { - printk(KERN_ERR "%s: Host adapter dead %d\n", aac->name, BlinkLED); + printk(KERN_ERR "%s: Host adapter is dead (or got a PCI error) %d\n", + aac->name, BlinkLED); goto out; } @@ -2056,7 +2057,6 @@ static int fillup_pools(struct aac_dev *dev, struct hw_fib **hw_fib_pool, { struct hw_fib **hw_fib_p; struct fib **fib_p; - int rcode = 1; hw_fib_p = hw_fib_pool; fib_p = fib_pool; @@ -2074,11 +2074,11 @@ static int fillup_pools(struct aac_dev *dev, struct hw_fib **hw_fib_pool, } } + /* + * Get the actual number of allocated fibs + */ num = hw_fib_p - hw_fib_pool; - if (!num) - rcode = 0; - - return rcode; + return num; } static void wakeup_fibctx_threads(struct aac_dev *dev, @@ -2186,7 +2186,6 @@ static void aac_process_events(struct aac_dev *dev) struct fib *fib; unsigned long flags; spinlock_t *t_lock; - unsigned int rcode; t_lock = dev->queues->queue[HostNormCmdQueue].lock; spin_lock_irqsave(t_lock, flags); @@ -2269,8 +2268,8 @@ static void aac_process_events(struct aac_dev *dev) * Fill up fib pointer pools with actual fibs * and hw_fibs */ - rcode = fillup_pools(dev, hw_fib_pool, fib_pool, num); - if (!rcode) + num = fillup_pools(dev, hw_fib_pool, fib_pool, num); + if (!num) goto free_mem; /* diff --git a/drivers/scsi/aacraid/src.c b/drivers/scsi/aacraid/src.c index 2e5338d..7b0410e 100644 --- a/drivers/scsi/aacraid/src.c +++ b/drivers/scsi/aacraid/src.c @@ -468,7 +468,7 @@ err_out: return -1; err_blink: - return (status > 16) & 0xFF; + return (status >> 16) & 0xFF; } static inline u32 aac_get_vector(struct aac_dev *dev) diff --git a/drivers/scsi/device_handler/scsi_dh_alua.c b/drivers/scsi/device_handler/scsi_dh_alua.c index 48e2001..c01b47e 100644 --- a/drivers/scsi/device_handler/scsi_dh_alua.c +++ b/drivers/scsi/device_handler/scsi_dh_alua.c @@ -113,7 +113,7 @@ struct alua_queue_data { #define ALUA_POLICY_SWITCH_ALL 1 static void alua_rtpg_work(struct work_struct *work); -static void alua_rtpg_queue(struct alua_port_group *pg, +static bool alua_rtpg_queue(struct alua_port_group *pg, struct scsi_device *sdev, struct alua_queue_data *qdata, bool force); static void alua_check(struct scsi_device *sdev, bool force); @@ -862,7 +862,13 @@ static void alua_rtpg_work(struct work_struct *work) kref_put(&pg->kref, release_port_group); } -static void alua_rtpg_queue(struct alua_port_group *pg, +/** + * alua_rtpg_queue() - cause RTPG to be submitted asynchronously + * + * Returns true if and only if alua_rtpg_work() will be called asynchronously. + * That function is responsible for calling @qdata->fn(). + */ +static bool alua_rtpg_queue(struct alua_port_group *pg, struct scsi_device *sdev, struct alua_queue_data *qdata, bool force) { @@ -870,8 +876,8 @@ static void alua_rtpg_queue(struct alua_port_group *pg, unsigned long flags; struct workqueue_struct *alua_wq = kaluad_wq; - if (!pg) - return; + if (WARN_ON_ONCE(!pg) || scsi_device_get(sdev)) + return false; spin_lock_irqsave(&pg->lock, flags); if (qdata) { @@ -884,14 +890,12 @@ static void alua_rtpg_queue(struct alua_port_group *pg, pg->flags |= ALUA_PG_RUN_RTPG; kref_get(&pg->kref); pg->rtpg_sdev = sdev; - scsi_device_get(sdev); start_queue = 1; } else if (!(pg->flags & ALUA_PG_RUN_RTPG) && force) { pg->flags |= ALUA_PG_RUN_RTPG; /* Do not queue if the worker is already running */ if (!(pg->flags & ALUA_PG_RUNNING)) { kref_get(&pg->kref); - sdev = NULL; start_queue = 1; } } @@ -900,13 +904,17 @@ static void alua_rtpg_queue(struct alua_port_group *pg, alua_wq = kaluad_sync_wq; spin_unlock_irqrestore(&pg->lock, flags); - if (start_queue && - !queue_delayed_work(alua_wq, &pg->rtpg_work, - msecs_to_jiffies(ALUA_RTPG_DELAY_MSECS))) { - if (sdev) - scsi_device_put(sdev); - kref_put(&pg->kref, release_port_group); + if (start_queue) { + if (queue_delayed_work(alua_wq, &pg->rtpg_work, + msecs_to_jiffies(ALUA_RTPG_DELAY_MSECS))) + sdev = NULL; + else + kref_put(&pg->kref, release_port_group); } + if (sdev) + scsi_device_put(sdev); + + return true; } /* @@ -1007,11 +1015,13 @@ static int alua_activate(struct scsi_device *sdev, mutex_unlock(&h->init_mutex); goto out; } - fn = NULL; rcu_read_unlock(); mutex_unlock(&h->init_mutex); - alua_rtpg_queue(pg, sdev, qdata, true); + if (alua_rtpg_queue(pg, sdev, qdata, true)) + fn = NULL; + else + err = SCSI_DH_DEV_OFFLINED; kref_put(&pg->kref, release_port_group); out: if (fn) diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c index 524a0c7..9d659aa 100644 --- a/drivers/scsi/hpsa.c +++ b/drivers/scsi/hpsa.c @@ -2956,7 +2956,7 @@ static int hpsa_send_reset(struct ctlr_info *h, unsigned char *scsi3addr, /* fill_cmd can't fail here, no data buffer to map. */ (void) fill_cmd(c, reset_type, h, NULL, 0, 0, scsi3addr, TYPE_MSG); - rc = hpsa_scsi_do_simple_cmd(h, c, reply_queue, DEFAULT_TIMEOUT); + rc = hpsa_scsi_do_simple_cmd(h, c, reply_queue, NO_TIMEOUT); if (rc) { dev_warn(&h->pdev->dev, "Failed to send reset command\n"); goto out; @@ -3714,7 +3714,7 @@ exit_failed: * # (integer code indicating one of several NOT READY states * describing why a volume is to be kept offline) */ -static int hpsa_volume_offline(struct ctlr_info *h, +static unsigned char hpsa_volume_offline(struct ctlr_info *h, unsigned char scsi3addr[]) { struct CommandList *c; @@ -3735,7 +3735,7 @@ static int hpsa_volume_offline(struct ctlr_info *h, DEFAULT_TIMEOUT); if (rc) { cmd_free(h, c); - return 0; + return HPSA_VPD_LV_STATUS_UNSUPPORTED; } sense = c->err_info->SenseInfo; if (c->err_info->SenseLen > sizeof(c->err_info->SenseInfo)) @@ -3746,19 +3746,13 @@ static int hpsa_volume_offline(struct ctlr_info *h, cmd_status = c->err_info->CommandStatus; scsi_status = c->err_info->ScsiStatus; cmd_free(h, c); - /* Is the volume 'not ready'? */ - if (cmd_status != CMD_TARGET_STATUS || - scsi_status != SAM_STAT_CHECK_CONDITION || - sense_key != NOT_READY || - asc != ASC_LUN_NOT_READY) { - return 0; - } /* Determine the reason for not ready state */ ldstat = hpsa_get_volume_status(h, scsi3addr); /* Keep volume offline in certain cases: */ switch (ldstat) { + case HPSA_LV_FAILED: case HPSA_LV_UNDERGOING_ERASE: case HPSA_LV_NOT_AVAILABLE: case HPSA_LV_UNDERGOING_RPI: @@ -3780,7 +3774,7 @@ static int hpsa_volume_offline(struct ctlr_info *h, default: break; } - return 0; + return HPSA_LV_OK; } /* @@ -3853,10 +3847,10 @@ static int hpsa_update_device_info(struct ctlr_info *h, /* Do an inquiry to the device to see what it is. */ if (hpsa_scsi_do_inquiry(h, scsi3addr, 0, inq_buff, (unsigned char) OBDR_TAPE_INQ_SIZE) != 0) { - /* Inquiry failed (msg printed already) */ dev_err(&h->pdev->dev, - "hpsa_update_device_info: inquiry failed\n"); - rc = -EIO; + "%s: inquiry failed, device will be skipped.\n", + __func__); + rc = HPSA_INQUIRY_FAILED; goto bail_out; } @@ -3885,15 +3879,20 @@ static int hpsa_update_device_info(struct ctlr_info *h, if ((this_device->devtype == TYPE_DISK || this_device->devtype == TYPE_ZBC) && is_logical_dev_addr_mode(scsi3addr)) { - int volume_offline; + unsigned char volume_offline; hpsa_get_raid_level(h, scsi3addr, &this_device->raid_level); if (h->fw_support & MISC_FW_RAID_OFFLOAD_BASIC) hpsa_get_ioaccel_status(h, scsi3addr, this_device); volume_offline = hpsa_volume_offline(h, scsi3addr); - if (volume_offline < 0 || volume_offline > 0xff) - volume_offline = HPSA_VPD_LV_STATUS_UNSUPPORTED; - this_device->volume_offline = volume_offline & 0xff; + this_device->volume_offline = volume_offline; + if (volume_offline == HPSA_LV_FAILED) { + rc = HPSA_LV_FAILED; + dev_err(&h->pdev->dev, + "%s: LV failed, device will be skipped.\n", + __func__); + goto bail_out; + } } else { this_device->raid_level = RAID_UNKNOWN; this_device->offload_config = 0; @@ -4379,8 +4378,7 @@ static void hpsa_update_scsi_devices(struct ctlr_info *h) goto out; } if (rc) { - dev_warn(&h->pdev->dev, - "Inquiry failed, skipping device.\n"); + h->drv_req_rescan = 1; continue; } @@ -5558,7 +5556,7 @@ static void hpsa_scan_complete(struct ctlr_info *h) spin_lock_irqsave(&h->scan_lock, flags); h->scan_finished = 1; - wake_up_all(&h->scan_wait_queue); + wake_up(&h->scan_wait_queue); spin_unlock_irqrestore(&h->scan_lock, flags); } @@ -5576,11 +5574,23 @@ static void hpsa_scan_start(struct Scsi_Host *sh) if (unlikely(lockup_detected(h))) return hpsa_scan_complete(h); + /* + * If a scan is already waiting to run, no need to add another + */ + spin_lock_irqsave(&h->scan_lock, flags); + if (h->scan_waiting) { + spin_unlock_irqrestore(&h->scan_lock, flags); + return; + } + + spin_unlock_irqrestore(&h->scan_lock, flags); + /* wait until any scan already in progress is finished. */ while (1) { spin_lock_irqsave(&h->scan_lock, flags); if (h->scan_finished) break; + h->scan_waiting = 1; spin_unlock_irqrestore(&h->scan_lock, flags); wait_event(h->scan_wait_queue, h->scan_finished); /* Note: We don't need to worry about a race between this @@ -5590,6 +5600,7 @@ static void hpsa_scan_start(struct Scsi_Host *sh) */ } h->scan_finished = 0; /* mark scan as in progress */ + h->scan_waiting = 0; spin_unlock_irqrestore(&h->scan_lock, flags); if (unlikely(lockup_detected(h))) @@ -8792,6 +8803,7 @@ reinit_after_soft_reset: init_waitqueue_head(&h->event_sync_wait_queue); mutex_init(&h->reset_mutex); h->scan_finished = 1; /* no scan currently in progress */ + h->scan_waiting = 0; pci_set_drvdata(pdev, h); h->ndevices = 0; diff --git a/drivers/scsi/hpsa.h b/drivers/scsi/hpsa.h index bf6cdc1..6f04f2a 100644 --- a/drivers/scsi/hpsa.h +++ b/drivers/scsi/hpsa.h @@ -201,6 +201,7 @@ struct ctlr_info { dma_addr_t errinfo_pool_dhandle; unsigned long *cmd_pool_bits; int scan_finished; + u8 scan_waiting : 1; spinlock_t scan_lock; wait_queue_head_t scan_wait_queue; diff --git a/drivers/scsi/hpsa_cmd.h b/drivers/scsi/hpsa_cmd.h index a584cdf..5961705 100644 --- a/drivers/scsi/hpsa_cmd.h +++ b/drivers/scsi/hpsa_cmd.h @@ -156,6 +156,7 @@ #define CFGTBL_BusType_Fibre2G 0x00000200l /* VPD Inquiry types */ +#define HPSA_INQUIRY_FAILED 0x02 #define HPSA_VPD_SUPPORTED_PAGES 0x00 #define HPSA_VPD_LV_DEVICE_ID 0x83 #define HPSA_VPD_LV_DEVICE_GEOMETRY 0xC1 @@ -166,6 +167,7 @@ /* Logical volume states */ #define HPSA_VPD_LV_STATUS_UNSUPPORTED 0xff #define HPSA_LV_OK 0x0 +#define HPSA_LV_FAILED 0x01 #define HPSA_LV_NOT_AVAILABLE 0x0b #define HPSA_LV_UNDERGOING_ERASE 0x0F #define HPSA_LV_UNDERGOING_RPI 0x12 diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c index b29afaf..5d5e272f 100644 --- a/drivers/scsi/ipr.c +++ b/drivers/scsi/ipr.c @@ -6293,7 +6293,12 @@ static void ipr_erp_start(struct ipr_ioa_cfg *ioa_cfg, break; case IPR_IOASC_MED_DO_NOT_REALLOC: /* prevent retries */ case IPR_IOASA_IR_DUAL_IOA_DISABLED: - scsi_cmd->result |= (DID_PASSTHROUGH << 16); + /* + * exception: do not set DID_PASSTHROUGH on CHECK CONDITION + * so SCSI mid-layer and upper layers handle it accordingly. + */ + if (scsi_cmd->result != SAM_STAT_CHECK_CONDITION) + scsi_cmd->result |= (DID_PASSTHROUGH << 16); break; case IPR_IOASC_BUS_WAS_RESET: case IPR_IOASC_BUS_WAS_RESET_BY_OTHER: diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c index 07c08ce..894b1e3 100644 --- a/drivers/scsi/libiscsi.c +++ b/drivers/scsi/libiscsi.c @@ -561,8 +561,12 @@ static void iscsi_complete_task(struct iscsi_task *task, int state) WARN_ON_ONCE(task->state == ISCSI_TASK_FREE); task->state = state; - if (!list_empty(&task->running)) + spin_lock_bh(&conn->taskqueuelock); + if (!list_empty(&task->running)) { + pr_debug_once("%s while task on list", __func__); list_del_init(&task->running); + } + spin_unlock_bh(&conn->taskqueuelock); if (conn->task == task) conn->task = NULL; @@ -784,7 +788,9 @@ __iscsi_conn_send_pdu(struct iscsi_conn *conn, struct iscsi_hdr *hdr, if (session->tt->xmit_task(task)) goto free_task; } else { + spin_lock_bh(&conn->taskqueuelock); list_add_tail(&task->running, &conn->mgmtqueue); + spin_unlock_bh(&conn->taskqueuelock); iscsi_conn_queue_work(conn); } @@ -1475,8 +1481,10 @@ void iscsi_requeue_task(struct iscsi_task *task) * this may be on the requeue list already if the xmit_task callout * is handling the r2ts while we are adding new ones */ + spin_lock_bh(&conn->taskqueuelock); if (list_empty(&task->running)) list_add_tail(&task->running, &conn->requeue); + spin_unlock_bh(&conn->taskqueuelock); iscsi_conn_queue_work(conn); } EXPORT_SYMBOL_GPL(iscsi_requeue_task); @@ -1513,22 +1521,26 @@ static int iscsi_data_xmit(struct iscsi_conn *conn) * only have one nop-out as a ping from us and targets should not * overflow us with nop-ins */ + spin_lock_bh(&conn->taskqueuelock); check_mgmt: while (!list_empty(&conn->mgmtqueue)) { conn->task = list_entry(conn->mgmtqueue.next, struct iscsi_task, running); list_del_init(&conn->task->running); + spin_unlock_bh(&conn->taskqueuelock); if (iscsi_prep_mgmt_task(conn, conn->task)) { /* regular RX path uses back_lock */ spin_lock_bh(&conn->session->back_lock); __iscsi_put_task(conn->task); spin_unlock_bh(&conn->session->back_lock); conn->task = NULL; + spin_lock_bh(&conn->taskqueuelock); continue; } rc = iscsi_xmit_task(conn); if (rc) goto done; + spin_lock_bh(&conn->taskqueuelock); } /* process pending command queue */ @@ -1536,19 +1548,24 @@ check_mgmt: conn->task = list_entry(conn->cmdqueue.next, struct iscsi_task, running); list_del_init(&conn->task->running); + spin_unlock_bh(&conn->taskqueuelock); if (conn->session->state == ISCSI_STATE_LOGGING_OUT) { fail_scsi_task(conn->task, DID_IMM_RETRY); + spin_lock_bh(&conn->taskqueuelock); continue; } rc = iscsi_prep_scsi_cmd_pdu(conn->task); if (rc) { if (rc == -ENOMEM || rc == -EACCES) { + spin_lock_bh(&conn->taskqueuelock); list_add_tail(&conn->task->running, &conn->cmdqueue); conn->task = NULL; + spin_unlock_bh(&conn->taskqueuelock); goto done; } else fail_scsi_task(conn->task, DID_ABORT); + spin_lock_bh(&conn->taskqueuelock); continue; } rc = iscsi_xmit_task(conn); @@ -1559,6 +1576,7 @@ check_mgmt: * we need to check the mgmt queue for nops that need to * be sent to aviod starvation */ + spin_lock_bh(&conn->taskqueuelock); if (!list_empty(&conn->mgmtqueue)) goto check_mgmt; } @@ -1578,12 +1596,15 @@ check_mgmt: conn->task = task; list_del_init(&conn->task->running); conn->task->state = ISCSI_TASK_RUNNING; + spin_unlock_bh(&conn->taskqueuelock); rc = iscsi_xmit_task(conn); if (rc) goto done; + spin_lock_bh(&conn->taskqueuelock); if (!list_empty(&conn->mgmtqueue)) goto check_mgmt; } + spin_unlock_bh(&conn->taskqueuelock); spin_unlock_bh(&conn->session->frwd_lock); return -ENODATA; @@ -1739,7 +1760,9 @@ int iscsi_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *sc) goto prepd_reject; } } else { + spin_lock_bh(&conn->taskqueuelock); list_add_tail(&task->running, &conn->cmdqueue); + spin_unlock_bh(&conn->taskqueuelock); iscsi_conn_queue_work(conn); } @@ -2897,6 +2920,7 @@ iscsi_conn_setup(struct iscsi_cls_session *cls_session, int dd_size, INIT_LIST_HEAD(&conn->mgmtqueue); INIT_LIST_HEAD(&conn->cmdqueue); INIT_LIST_HEAD(&conn->requeue); + spin_lock_init(&conn->taskqueuelock); INIT_WORK(&conn->xmitwork, iscsi_xmitworker); /* allocate login_task used for the login/text sequences */ diff --git a/drivers/scsi/libsas/sas_ata.c b/drivers/scsi/libsas/sas_ata.c index 763f012..87f5e694 100644 --- a/drivers/scsi/libsas/sas_ata.c +++ b/drivers/scsi/libsas/sas_ata.c @@ -221,7 +221,7 @@ static unsigned int sas_ata_qc_issue(struct ata_queued_cmd *qc) task->num_scatter = qc->n_elem; } else { for_each_sg(qc->sg, sg, qc->n_elem, si) - xfer += sg->length; + xfer += sg_dma_len(sg); task->total_xfer_len = xfer; task->num_scatter = si; diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h index 0bba2e3..257bbdd 100644 --- a/drivers/scsi/lpfc/lpfc.h +++ b/drivers/scsi/lpfc/lpfc.h @@ -99,12 +99,13 @@ struct lpfc_sli2_slim; #define FC_MAX_ADPTMSG 64 #define MAX_HBAEVT 32 +#define MAX_HBAS_NO_RESET 16 /* Number of MSI-X vectors the driver uses */ #define LPFC_MSIX_VECTORS 2 /* lpfc wait event data ready flag */ -#define LPFC_DATA_READY (1<<0) +#define LPFC_DATA_READY 0 /* bit 0 */ /* queue dump line buffer size */ #define LPFC_LBUF_SZ 128 @@ -692,6 +693,7 @@ struct lpfc_hba { * capability */ #define HBA_NVME_IOQ_FLUSH 0x80000 /* NVME IO queues flushed. */ +#define NVME_XRI_ABORT_EVENT 0x100000 uint32_t fcp_ring_in_use; /* When polling test if intr-hndlr active*/ struct lpfc_dmabuf slim2p; diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c index 5c783ef..22819af 100644 --- a/drivers/scsi/lpfc/lpfc_attr.c +++ b/drivers/scsi/lpfc/lpfc_attr.c @@ -3010,6 +3010,12 @@ MODULE_PARM_DESC(lpfc_poll, "FCP ring polling mode control:" static DEVICE_ATTR(lpfc_poll, S_IRUGO | S_IWUSR, lpfc_poll_show, lpfc_poll_store); +int lpfc_no_hba_reset_cnt; +unsigned long lpfc_no_hba_reset[MAX_HBAS_NO_RESET] = { + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}; +module_param_array(lpfc_no_hba_reset, ulong, &lpfc_no_hba_reset_cnt, 0444); +MODULE_PARM_DESC(lpfc_no_hba_reset, "WWPN of HBAs that should not be reset"); + LPFC_ATTR(sli_mode, 0, 0, 3, "SLI mode selector:" " 0 - auto (SLI-3 if supported)," @@ -3309,9 +3315,9 @@ LPFC_ATTR_R(nvmet_mrq_post, LPFC_DEF_MRQ_POST, * lpfc_enable_fc4_type: Defines what FC4 types are supported. * Supported Values: 1 - register just FCP * 3 - register both FCP and NVME - * Supported values are [1,3]. Default value is 3 + * Supported values are [1,3]. Default value is 1 */ -LPFC_ATTR_R(enable_fc4_type, LPFC_ENABLE_BOTH, +LPFC_ATTR_R(enable_fc4_type, LPFC_ENABLE_FCP, LPFC_ENABLE_FCP, LPFC_ENABLE_BOTH, "Define fc4 type to register with fabric."); @@ -4451,7 +4457,8 @@ lpfc_fcp_imax_store(struct device *dev, struct device_attribute *attr, return -EINVAL; phba->cfg_fcp_imax = (uint32_t)val; - for (i = 0; i < phba->io_channel_irqs; i++) + + for (i = 0; i < phba->io_channel_irqs; i += LPFC_MAX_EQ_DELAY_EQID_CNT) lpfc_modify_hba_eq_delay(phba, i); return strlen(buf); diff --git a/drivers/scsi/lpfc/lpfc_crtn.h b/drivers/scsi/lpfc/lpfc_crtn.h index 843dd73..54e6ac4 100644 --- a/drivers/scsi/lpfc/lpfc_crtn.h +++ b/drivers/scsi/lpfc/lpfc_crtn.h @@ -384,7 +384,7 @@ void lpfc_free_sysfs_attr(struct lpfc_vport *); extern struct device_attribute *lpfc_hba_attrs[]; extern struct device_attribute *lpfc_vport_attrs[]; extern struct scsi_host_template lpfc_template; -extern struct scsi_host_template lpfc_template_s3; +extern struct scsi_host_template lpfc_template_no_hr; extern struct scsi_host_template lpfc_template_nvme; extern struct scsi_host_template lpfc_vport_template; extern struct fc_function_template lpfc_transport_functions; @@ -554,3 +554,5 @@ void lpfc_nvme_abort_fcreq_cmpl(struct lpfc_hba *phba, struct lpfc_wcqe_complete *abts_cmpl); extern int lpfc_enable_nvmet_cnt; extern unsigned long long lpfc_enable_nvmet[]; +extern int lpfc_no_hba_reset_cnt; +extern unsigned long lpfc_no_hba_reset[]; diff --git a/drivers/scsi/lpfc/lpfc_ct.c b/drivers/scsi/lpfc/lpfc_ct.c index c22bb3f..d3e9af9 100644 --- a/drivers/scsi/lpfc/lpfc_ct.c +++ b/drivers/scsi/lpfc/lpfc_ct.c @@ -939,8 +939,8 @@ lpfc_cmpl_ct_cmd_gft_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, "FC4 x%08x, Data: x%08x x%08x\n", ndlp, did, ndlp->nlp_fc4_type, FC_TYPE_FCP, FC_TYPE_NVME); + ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE; } - ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE; lpfc_nlp_set_state(vport, ndlp, NLP_STE_PRLI_ISSUE); lpfc_issue_els_prli(vport, ndlp, 0); } else diff --git a/drivers/scsi/lpfc/lpfc_debugfs.c b/drivers/scsi/lpfc/lpfc_debugfs.c index 9f4798e..913eed82 100644 --- a/drivers/scsi/lpfc/lpfc_debugfs.c +++ b/drivers/scsi/lpfc/lpfc_debugfs.c @@ -3653,17 +3653,6 @@ lpfc_idiag_queacc_write(struct file *file, const char __user *buf, idiag.ptr_private = phba->sli4_hba.nvmels_cq; goto pass_check; } - /* NVME LS complete queue */ - if (phba->sli4_hba.nvmels_cq && - phba->sli4_hba.nvmels_cq->queue_id == queid) { - /* Sanity check */ - rc = lpfc_idiag_que_param_check( - phba->sli4_hba.nvmels_cq, index, count); - if (rc) - goto error_out; - idiag.ptr_private = phba->sli4_hba.nvmels_cq; - goto pass_check; - } /* FCP complete queue */ if (phba->sli4_hba.fcp_cq) { for (qidx = 0; qidx < phba->cfg_fcp_io_channel; @@ -3738,17 +3727,6 @@ lpfc_idiag_queacc_write(struct file *file, const char __user *buf, idiag.ptr_private = phba->sli4_hba.nvmels_wq; goto pass_check; } - /* NVME LS work queue */ - if (phba->sli4_hba.nvmels_wq && - phba->sli4_hba.nvmels_wq->queue_id == queid) { - /* Sanity check */ - rc = lpfc_idiag_que_param_check( - phba->sli4_hba.nvmels_wq, index, count); - if (rc) - goto error_out; - idiag.ptr_private = phba->sli4_hba.nvmels_wq; - goto pass_check; - } /* FCP work queue */ if (phba->sli4_hba.fcp_wq) { for (qidx = 0; qidx < phba->cfg_fcp_io_channel; diff --git a/drivers/scsi/lpfc/lpfc_debugfs.h b/drivers/scsi/lpfc/lpfc_debugfs.h index c05f56c..7b7d314 100644 --- a/drivers/scsi/lpfc/lpfc_debugfs.h +++ b/drivers/scsi/lpfc/lpfc_debugfs.h @@ -44,14 +44,6 @@ /* hbqinfo output buffer size */ #define LPFC_HBQINFO_SIZE 8192 -enum { - DUMP_FCP, - DUMP_NVME, - DUMP_MBX, - DUMP_ELS, - DUMP_NVMELS, -}; - /* nvmestat output buffer size */ #define LPFC_NVMESTAT_SIZE 8192 #define LPFC_NVMEKTIME_SIZE 8192 @@ -283,8 +275,22 @@ struct lpfc_idiag { struct lpfc_idiag_offset offset; void *ptr_private; }; + +#else + +#define lpfc_nvmeio_data(phba, fmt, arg...) \ + no_printk(fmt, ##arg) + #endif +enum { + DUMP_FCP, + DUMP_NVME, + DUMP_MBX, + DUMP_ELS, + DUMP_NVMELS, +}; + /* Mask for discovery_trace */ #define LPFC_DISC_TRC_ELS_CMD 0x1 /* Trace ELS commands */ #define LPFC_DISC_TRC_ELS_RSP 0x2 /* Trace ELS response */ diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c index 2d26440..a5ca37e 100644 --- a/drivers/scsi/lpfc/lpfc_els.c +++ b/drivers/scsi/lpfc/lpfc_els.c @@ -5177,15 +5177,15 @@ lpfc_rdp_res_speed(struct fc_rdp_port_speed_desc *desc, struct lpfc_hba *phba) static uint32_t lpfc_rdp_res_diag_port_names(struct fc_rdp_port_name_desc *desc, - struct lpfc_hba *phba) + struct lpfc_vport *vport) { desc->tag = cpu_to_be32(RDP_PORT_NAMES_DESC_TAG); - memcpy(desc->port_names.wwnn, phba->wwnn, + memcpy(desc->port_names.wwnn, &vport->fc_nodename, sizeof(desc->port_names.wwnn)); - memcpy(desc->port_names.wwpn, phba->wwpn, + memcpy(desc->port_names.wwpn, &vport->fc_portname, sizeof(desc->port_names.wwpn)); desc->length = cpu_to_be32(sizeof(desc->port_names)); @@ -5279,7 +5279,7 @@ lpfc_els_rdp_cmpl(struct lpfc_hba *phba, struct lpfc_rdp_context *rdp_context, len += lpfc_rdp_res_link_error((struct fc_rdp_link_error_status_desc *) (len + pcmd), &rdp_context->link_stat); len += lpfc_rdp_res_diag_port_names((struct fc_rdp_port_name_desc *) - (len + pcmd), phba); + (len + pcmd), vport); len += lpfc_rdp_res_attach_port_names((struct fc_rdp_port_name_desc *) (len + pcmd), vport, ndlp); len += lpfc_rdp_res_fec_desc((struct fc_fec_rdp_desc *)(len + pcmd), @@ -7968,7 +7968,8 @@ lpfc_els_unsol_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, did, vport->port_state, ndlp->nlp_flag); phba->fc_stat.elsRcvPRLI++; - if (vport->port_state < LPFC_DISC_AUTH) { + if ((vport->port_state < LPFC_DISC_AUTH) && + (vport->fc_flag & FC_FABRIC)) { rjt_err = LSRJT_UNABLE_TPC; rjt_exp = LSEXP_NOTHING_MORE; break; @@ -8371,11 +8372,17 @@ lpfc_cmpl_reg_new_vport(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb) spin_lock_irq(shost->host_lock); vport->fc_flag |= FC_VPORT_NEEDS_REG_VPI; spin_unlock_irq(shost->host_lock); - if (vport->port_type == LPFC_PHYSICAL_PORT - && !(vport->fc_flag & FC_LOGO_RCVD_DID_CHNG)) - lpfc_issue_init_vfi(vport); - else + if (mb->mbxStatus == MBX_NOT_FINISHED) + break; + if ((vport->port_type == LPFC_PHYSICAL_PORT) && + !(vport->fc_flag & FC_LOGO_RCVD_DID_CHNG)) { + if (phba->sli_rev == LPFC_SLI_REV4) + lpfc_issue_init_vfi(vport); + else + lpfc_initial_flogi(vport); + } else { lpfc_initial_fdisc(vport); + } break; } } else { diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c index 194a14d..180b072b 100644 --- a/drivers/scsi/lpfc/lpfc_hbadisc.c +++ b/drivers/scsi/lpfc/lpfc_hbadisc.c @@ -313,8 +313,7 @@ lpfc_dev_loss_tmo_handler(struct lpfc_nodelist *ndlp) ndlp->nlp_state, ndlp->nlp_rpi); } - if (!(vport->load_flag & FC_UNLOADING) && - !(ndlp->nlp_flag & NLP_DELAY_TMO) && + if (!(ndlp->nlp_flag & NLP_DELAY_TMO) && !(ndlp->nlp_flag & NLP_NPR_2B_DISC) && (ndlp->nlp_state != NLP_STE_UNMAPPED_NODE) && (ndlp->nlp_state != NLP_STE_REG_LOGIN_ISSUE) && @@ -641,6 +640,8 @@ lpfc_work_done(struct lpfc_hba *phba) lpfc_handle_rrq_active(phba); if (phba->hba_flag & FCP_XRI_ABORT_EVENT) lpfc_sli4_fcp_xri_abort_event_proc(phba); + if (phba->hba_flag & NVME_XRI_ABORT_EVENT) + lpfc_sli4_nvme_xri_abort_event_proc(phba); if (phba->hba_flag & ELS_XRI_ABORT_EVENT) lpfc_sli4_els_xri_abort_event_proc(phba); if (phba->hba_flag & ASYNC_EVENT) @@ -2173,7 +2174,7 @@ lpfc_mbx_cmpl_fcf_scan_read_fcf_rec(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) uint32_t boot_flag, addr_mode; uint16_t fcf_index, next_fcf_index; struct lpfc_fcf_rec *fcf_rec = NULL; - uint16_t vlan_id; + uint16_t vlan_id = LPFC_FCOE_NULL_VID; bool select_new_fcf; int rc; @@ -4020,9 +4021,11 @@ lpfc_register_remote_port(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) rdata = rport->dd_data; /* break the link before dropping the ref */ ndlp->rport = NULL; - if (rdata && rdata->pnode == ndlp) - lpfc_nlp_put(ndlp); - rdata->pnode = NULL; + if (rdata) { + if (rdata->pnode == ndlp) + lpfc_nlp_put(ndlp); + rdata->pnode = NULL; + } /* drop reference for earlier registeration */ put_device(&rport->dev); } @@ -4344,9 +4347,8 @@ lpfc_initialize_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, { INIT_LIST_HEAD(&ndlp->els_retry_evt.evt_listp); INIT_LIST_HEAD(&ndlp->dev_loss_evt.evt_listp); - init_timer(&ndlp->nlp_delayfunc); - ndlp->nlp_delayfunc.function = lpfc_els_retry_delay; - ndlp->nlp_delayfunc.data = (unsigned long)ndlp; + setup_timer(&ndlp->nlp_delayfunc, lpfc_els_retry_delay, + (unsigned long)ndlp); ndlp->nlp_DID = did; ndlp->vport = vport; ndlp->phba = vport->phba; @@ -4606,9 +4608,9 @@ lpfc_sli4_dequeue_nport_iocbs(struct lpfc_hba *phba, pring = qp->pring; if (!pring) continue; - spin_lock_irq(&pring->ring_lock); + spin_lock(&pring->ring_lock); __lpfc_dequeue_nport_iocbs(phba, ndlp, pring, dequeue_list); - spin_unlock_irq(&pring->ring_lock); + spin_unlock(&pring->ring_lock); } spin_unlock_irq(&phba->hbalock); } diff --git a/drivers/scsi/lpfc/lpfc_hw4.h b/drivers/scsi/lpfc/lpfc_hw4.h index cfdb068..1527770 100644 --- a/drivers/scsi/lpfc/lpfc_hw4.h +++ b/drivers/scsi/lpfc/lpfc_hw4.h @@ -1001,7 +1001,7 @@ struct eq_delay_info { uint32_t phase; uint32_t delay_multi; }; -#define LPFC_MAX_EQ_DELAY 8 +#define LPFC_MAX_EQ_DELAY_EQID_CNT 8 struct sgl_page_pairs { uint32_t sgl_pg0_addr_lo; @@ -1070,7 +1070,7 @@ struct lpfc_mbx_modify_eq_delay { union { struct { uint32_t num_eq; - struct eq_delay_info eq[LPFC_MAX_EQ_DELAY]; + struct eq_delay_info eq[LPFC_MAX_EQ_DELAY_EQID_CNT]; } request; struct { uint32_t word0; diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c index 0ee429d..6cc561b 100644 --- a/drivers/scsi/lpfc/lpfc_init.c +++ b/drivers/scsi/lpfc/lpfc_init.c @@ -3555,6 +3555,44 @@ out_free_mem: return rc; } +static uint64_t +lpfc_get_wwpn(struct lpfc_hba *phba) +{ + uint64_t wwn; + int rc; + LPFC_MBOXQ_t *mboxq; + MAILBOX_t *mb; + + + mboxq = (LPFC_MBOXQ_t *) mempool_alloc(phba->mbox_mem_pool, + GFP_KERNEL); + if (!mboxq) + return (uint64_t)-1; + + /* First get WWN of HBA instance */ + lpfc_read_nv(phba, mboxq); + rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_POLL); + if (rc != MBX_SUCCESS) { + lpfc_printf_log(phba, KERN_ERR, LOG_SLI, + "6019 Mailbox failed , mbxCmd x%x " + "READ_NV, mbxStatus x%x\n", + bf_get(lpfc_mqe_command, &mboxq->u.mqe), + bf_get(lpfc_mqe_status, &mboxq->u.mqe)); + mempool_free(mboxq, phba->mbox_mem_pool); + return (uint64_t) -1; + } + mb = &mboxq->u.mb; + memcpy(&wwn, (char *)mb->un.varRDnvp.portname, sizeof(uint64_t)); + /* wwn is WWPN of HBA instance */ + mempool_free(mboxq, phba->mbox_mem_pool); + if (phba->sli_rev == LPFC_SLI_REV4) + return be64_to_cpu(wwn); + else + return (((wwn & 0xffffffff00000000) >> 32) | + ((wwn & 0x00000000ffffffff) << 32)); + +} + /** * lpfc_sli4_nvme_sgl_update - update xri-sgl sizing and mapping * @phba: pointer to lpfc hba data structure. @@ -3676,17 +3714,32 @@ lpfc_create_port(struct lpfc_hba *phba, int instance, struct device *dev) struct lpfc_vport *vport; struct Scsi_Host *shost = NULL; int error = 0; + int i; + uint64_t wwn; + bool use_no_reset_hba = false; + + wwn = lpfc_get_wwpn(phba); + + for (i = 0; i < lpfc_no_hba_reset_cnt; i++) { + if (wwn == lpfc_no_hba_reset[i]) { + lpfc_printf_log(phba, KERN_ERR, LOG_SLI, + "6020 Setting use_no_reset port=%llx\n", + wwn); + use_no_reset_hba = true; + break; + } + } if (phba->cfg_enable_fc4_type & LPFC_ENABLE_FCP) { if (dev != &phba->pcidev->dev) { shost = scsi_host_alloc(&lpfc_vport_template, sizeof(struct lpfc_vport)); } else { - if (phba->sli_rev == LPFC_SLI_REV4) + if (!use_no_reset_hba) shost = scsi_host_alloc(&lpfc_template, sizeof(struct lpfc_vport)); else - shost = scsi_host_alloc(&lpfc_template_s3, + shost = scsi_host_alloc(&lpfc_template_no_hr, sizeof(struct lpfc_vport)); } } else if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) { @@ -3734,17 +3787,14 @@ lpfc_create_port(struct lpfc_hba *phba, int instance, struct device *dev) INIT_LIST_HEAD(&vport->rcv_buffer_list); spin_lock_init(&vport->work_port_lock); - init_timer(&vport->fc_disctmo); - vport->fc_disctmo.function = lpfc_disc_timeout; - vport->fc_disctmo.data = (unsigned long)vport; + setup_timer(&vport->fc_disctmo, lpfc_disc_timeout, + (unsigned long)vport); - init_timer(&vport->els_tmofunc); - vport->els_tmofunc.function = lpfc_els_timeout; - vport->els_tmofunc.data = (unsigned long)vport; + setup_timer(&vport->els_tmofunc, lpfc_els_timeout, + (unsigned long)vport); - init_timer(&vport->delayed_disc_tmo); - vport->delayed_disc_tmo.function = lpfc_delayed_disc_tmo; - vport->delayed_disc_tmo.data = (unsigned long)vport; + setup_timer(&vport->delayed_disc_tmo, lpfc_delayed_disc_tmo, + (unsigned long)vport); error = scsi_add_host_with_dma(shost, dev, &phba->pcidev->dev); if (error) @@ -5406,21 +5456,15 @@ lpfc_setup_driver_resource_phase1(struct lpfc_hba *phba) INIT_LIST_HEAD(&phba->luns); /* MBOX heartbeat timer */ - init_timer(&psli->mbox_tmo); - psli->mbox_tmo.function = lpfc_mbox_timeout; - psli->mbox_tmo.data = (unsigned long) phba; + setup_timer(&psli->mbox_tmo, lpfc_mbox_timeout, (unsigned long)phba); /* Fabric block timer */ - init_timer(&phba->fabric_block_timer); - phba->fabric_block_timer.function = lpfc_fabric_block_timeout; - phba->fabric_block_timer.data = (unsigned long) phba; + setup_timer(&phba->fabric_block_timer, lpfc_fabric_block_timeout, + (unsigned long)phba); /* EA polling mode timer */ - init_timer(&phba->eratt_poll); - phba->eratt_poll.function = lpfc_poll_eratt; - phba->eratt_poll.data = (unsigned long) phba; + setup_timer(&phba->eratt_poll, lpfc_poll_eratt, + (unsigned long)phba); /* Heartbeat timer */ - init_timer(&phba->hb_tmofunc); - phba->hb_tmofunc.function = lpfc_hb_timeout; - phba->hb_tmofunc.data = (unsigned long)phba; + setup_timer(&phba->hb_tmofunc, lpfc_hb_timeout, (unsigned long)phba); return 0; } @@ -5446,9 +5490,8 @@ lpfc_sli_driver_resource_setup(struct lpfc_hba *phba) */ /* FCP polling mode timer */ - init_timer(&phba->fcp_poll_timer); - phba->fcp_poll_timer.function = lpfc_poll_timeout; - phba->fcp_poll_timer.data = (unsigned long) phba; + setup_timer(&phba->fcp_poll_timer, lpfc_poll_timeout, + (unsigned long)phba); /* Host attention work mask setup */ phba->work_ha_mask = (HA_ERATT | HA_MBATT | HA_LATT); @@ -5482,7 +5525,8 @@ lpfc_sli_driver_resource_setup(struct lpfc_hba *phba) /* Initialize the host templates the configured values. */ lpfc_vport_template.sg_tablesize = phba->cfg_sg_seg_cnt; - lpfc_template_s3.sg_tablesize = phba->cfg_sg_seg_cnt; + lpfc_template_no_hr.sg_tablesize = phba->cfg_sg_seg_cnt; + lpfc_template.sg_tablesize = phba->cfg_sg_seg_cnt; /* There are going to be 2 reserved BDEs: 1 FCP cmnd + 1 FCP rsp */ if (phba->cfg_enable_bg) { @@ -5617,14 +5661,11 @@ lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba) * Initialize timers used by driver */ - init_timer(&phba->rrq_tmr); - phba->rrq_tmr.function = lpfc_rrq_timeout; - phba->rrq_tmr.data = (unsigned long)phba; + setup_timer(&phba->rrq_tmr, lpfc_rrq_timeout, (unsigned long)phba); /* FCF rediscover timer */ - init_timer(&phba->fcf.redisc_wait); - phba->fcf.redisc_wait.function = lpfc_sli4_fcf_redisc_wait_tmo; - phba->fcf.redisc_wait.data = (unsigned long)phba; + setup_timer(&phba->fcf.redisc_wait, lpfc_sli4_fcf_redisc_wait_tmo, + (unsigned long)phba); /* * Control structure for handling external multi-buffer mailbox @@ -5706,6 +5747,7 @@ lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba) /* Initialize the host templates with the updated values. */ lpfc_vport_template.sg_tablesize = phba->cfg_sg_seg_cnt; lpfc_template.sg_tablesize = phba->cfg_sg_seg_cnt; + lpfc_template_no_hr.sg_tablesize = phba->cfg_sg_seg_cnt; if (phba->cfg_sg_dma_buf_size <= LPFC_MIN_SG_SLI4_BUF_SZ) phba->cfg_sg_dma_buf_size = LPFC_MIN_SG_SLI4_BUF_SZ; @@ -5736,6 +5778,8 @@ lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba) /* Initialize the Abort nvme buffer list used by driver */ spin_lock_init(&phba->sli4_hba.abts_nvme_buf_list_lock); INIT_LIST_HEAD(&phba->sli4_hba.lpfc_abts_nvme_buf_list); + /* Fast-path XRI aborted CQ Event work queue list */ + INIT_LIST_HEAD(&phba->sli4_hba.sp_nvme_xri_aborted_work_queue); } /* This abort list used by worker thread */ @@ -5847,10 +5891,17 @@ lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba) /* Check to see if it matches any module parameter */ for (i = 0; i < lpfc_enable_nvmet_cnt; i++) { if (wwn == lpfc_enable_nvmet[i]) { +#if (IS_ENABLED(CONFIG_NVME_TARGET_FC)) lpfc_printf_log(phba, KERN_ERR, LOG_INIT, "6017 NVME Target %016llx\n", wwn); phba->nvmet_support = 1; /* a match */ +#else + lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + "6021 Can't enable NVME Target." + " NVME_TARGET_FC infrastructure" + " is not in kernel\n"); +#endif } } } @@ -8712,12 +8763,9 @@ lpfc_sli4_queue_setup(struct lpfc_hba *phba) } } - /* - * Configure EQ delay multipier for interrupt coalescing using - * MODIFY_EQ_DELAY for all EQs created, LPFC_MAX_EQ_DELAY at a time. - */ - for (qidx = 0; qidx < io_channel; qidx += LPFC_MAX_EQ_DELAY) + for (qidx = 0; qidx < io_channel; qidx += LPFC_MAX_EQ_DELAY_EQID_CNT) lpfc_modify_hba_eq_delay(phba, qidx); + return 0; out_destroy: @@ -8973,6 +9021,11 @@ lpfc_sli4_cq_event_release_all(struct lpfc_hba *phba) /* Pending ELS XRI abort events */ list_splice_init(&phba->sli4_hba.sp_els_xri_aborted_work_queue, &cqelist); + if (phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME) { + /* Pending NVME XRI abort events */ + list_splice_init(&phba->sli4_hba.sp_nvme_xri_aborted_work_queue, + &cqelist); + } /* Pending asynnc events */ list_splice_init(&phba->sli4_hba.sp_asynce_work_queue, &cqelist); @@ -10400,12 +10453,7 @@ lpfc_pci_remove_one_s3(struct pci_dev *pdev) fc_remove_host(shost); scsi_remove_host(shost); - /* Perform ndlp cleanup on the physical port. The nvme and nvmet - * localports are destroyed after to cleanup all transport memory. - */ lpfc_cleanup(vport); - lpfc_nvmet_destroy_targetport(phba); - lpfc_nvme_destroy_localport(vport); /* * Bring down the SLI Layer. This step disable all interrupts, @@ -12018,6 +12066,7 @@ static struct pci_driver lpfc_driver = { .id_table = lpfc_id_table, .probe = lpfc_pci_probe_one, .remove = lpfc_pci_remove_one, + .shutdown = lpfc_pci_remove_one, .suspend = lpfc_pci_suspend_one, .resume = lpfc_pci_resume_one, .err_handler = &lpfc_err_handler, diff --git a/drivers/scsi/lpfc/lpfc_mem.c b/drivers/scsi/lpfc/lpfc_mem.c index c61d8d6..5986c79 100644 --- a/drivers/scsi/lpfc/lpfc_mem.c +++ b/drivers/scsi/lpfc/lpfc_mem.c @@ -646,7 +646,6 @@ lpfc_sli4_nvmet_alloc(struct lpfc_hba *phba) } dma_buf->iocbq = lpfc_sli_get_iocbq(phba); - dma_buf->iocbq->iocb_flag = LPFC_IO_NVMET; if (!dma_buf->iocbq) { kfree(dma_buf->context); pci_pool_free(phba->lpfc_drb_pool, dma_buf->dbuf.virt, @@ -658,6 +657,7 @@ lpfc_sli4_nvmet_alloc(struct lpfc_hba *phba) "2621 Ran out of nvmet iocb/WQEs\n"); return NULL; } + dma_buf->iocbq->iocb_flag = LPFC_IO_NVMET; nvmewqe = dma_buf->iocbq; wqe = (union lpfc_wqe128 *)&nvmewqe->wqe; /* Initialize WQE */ diff --git a/drivers/scsi/lpfc/lpfc_nvme.c b/drivers/scsi/lpfc/lpfc_nvme.c index 609a908..0024de1 100644 --- a/drivers/scsi/lpfc/lpfc_nvme.c +++ b/drivers/scsi/lpfc/lpfc_nvme.c @@ -316,7 +316,7 @@ lpfc_nvme_gen_req(struct lpfc_vport *vport, struct lpfc_dmabuf *bmp, bf_set(wqe_dfctl, &wqe->gen_req.wge_ctl, 0); bf_set(wqe_si, &wqe->gen_req.wge_ctl, 1); bf_set(wqe_la, &wqe->gen_req.wge_ctl, 1); - bf_set(wqe_rctl, &wqe->gen_req.wge_ctl, FC_RCTL_DD_UNSOL_CTL); + bf_set(wqe_rctl, &wqe->gen_req.wge_ctl, FC_RCTL_ELS4_REQ); bf_set(wqe_type, &wqe->gen_req.wge_ctl, FC_TYPE_NVME); /* Word 6 */ @@ -620,15 +620,15 @@ lpfc_nvme_adj_fcp_sgls(struct lpfc_vport *vport, * Embed the payload in the last half of the WQE * WQE words 16-30 get the NVME CMD IU payload * - * WQE Word 16 is already setup with flags - * WQE words 17-19 get payload Words 2-4 + * WQE words 16-19 get payload Words 1-4 * WQE words 20-21 get payload Words 6-7 * WQE words 22-29 get payload Words 16-23 */ - wptr = &wqe->words[17]; /* WQE ptr */ + wptr = &wqe->words[16]; /* WQE ptr */ dptr = (uint32_t *)nCmd->cmdaddr; /* payload ptr */ - dptr += 2; /* Skip Words 0-1 in payload */ + dptr++; /* Skip Word 0 in payload */ + *wptr++ = *dptr++; /* Word 1 */ *wptr++ = *dptr++; /* Word 2 */ *wptr++ = *dptr++; /* Word 3 */ *wptr++ = *dptr++; /* Word 4 */ @@ -978,9 +978,6 @@ lpfc_nvme_prep_io_cmd(struct lpfc_vport *vport, bf_set(wqe_cmd_type, &wqe->generic.wqe_com, NVME_WRITE_CMD); - /* Word 16 */ - wqe->words[16] = LPFC_NVME_EMBED_WRITE; - phba->fc4NvmeOutputRequests++; } else { /* Word 7 */ @@ -1002,9 +999,6 @@ lpfc_nvme_prep_io_cmd(struct lpfc_vport *vport, bf_set(wqe_cmd_type, &wqe->generic.wqe_com, NVME_READ_CMD); - /* Word 16 */ - wqe->words[16] = LPFC_NVME_EMBED_READ; - phba->fc4NvmeInputRequests++; } } else { @@ -1026,9 +1020,6 @@ lpfc_nvme_prep_io_cmd(struct lpfc_vport *vport, /* Word 11 */ bf_set(wqe_cmd_type, &wqe->generic.wqe_com, NVME_READ_CMD); - /* Word 16 */ - wqe->words[16] = LPFC_NVME_EMBED_CMD; - phba->fc4NvmeControlRequests++; } /* @@ -1286,6 +1277,7 @@ lpfc_nvme_fcp_io_submit(struct nvme_fc_local_port *pnvme_lport, pnvme_fcreq->private = (void *)lpfc_ncmd; lpfc_ncmd->nvmeCmd = pnvme_fcreq; lpfc_ncmd->nrport = rport; + lpfc_ncmd->ndlp = ndlp; lpfc_ncmd->start_time = jiffies; lpfc_nvme_prep_io_cmd(vport, lpfc_ncmd, ndlp); @@ -1319,7 +1311,7 @@ lpfc_nvme_fcp_io_submit(struct nvme_fc_local_port *pnvme_lport, "sid: x%x did: x%x oxid: x%x\n", ret, vport->fc_myDID, ndlp->nlp_DID, lpfc_ncmd->cur_iocbq.sli4_xritag); - ret = -EINVAL; + ret = -EBUSY; goto out_free_nvme_buf; } @@ -1821,10 +1813,10 @@ lpfc_post_nvme_sgl_list(struct lpfc_hba *phba, pdma_phys_sgl1, cur_xritag); if (status) { /* failure, put on abort nvme list */ - lpfc_ncmd->exch_busy = 1; + lpfc_ncmd->flags |= LPFC_SBUF_XBUSY; } else { /* success, put on NVME buffer list */ - lpfc_ncmd->exch_busy = 0; + lpfc_ncmd->flags &= ~LPFC_SBUF_XBUSY; lpfc_ncmd->status = IOSTAT_SUCCESS; num_posted++; } @@ -1854,10 +1846,10 @@ lpfc_post_nvme_sgl_list(struct lpfc_hba *phba, struct lpfc_nvme_buf, list); if (status) { /* failure, put on abort nvme list */ - lpfc_ncmd->exch_busy = 1; + lpfc_ncmd->flags |= LPFC_SBUF_XBUSY; } else { /* success, put on NVME buffer list */ - lpfc_ncmd->exch_busy = 0; + lpfc_ncmd->flags &= ~LPFC_SBUF_XBUSY; lpfc_ncmd->status = IOSTAT_SUCCESS; num_posted++; } @@ -2099,7 +2091,7 @@ lpfc_release_nvme_buf(struct lpfc_hba *phba, struct lpfc_nvme_buf *lpfc_ncmd) unsigned long iflag = 0; lpfc_ncmd->nonsg_phys = 0; - if (lpfc_ncmd->exch_busy) { + if (lpfc_ncmd->flags & LPFC_SBUF_XBUSY) { spin_lock_irqsave(&phba->sli4_hba.abts_nvme_buf_list_lock, iflag); lpfc_ncmd->nvmeCmd = NULL; @@ -2135,11 +2127,12 @@ lpfc_release_nvme_buf(struct lpfc_hba *phba, struct lpfc_nvme_buf *lpfc_ncmd) int lpfc_nvme_create_localport(struct lpfc_vport *vport) { + int ret = 0; struct lpfc_hba *phba = vport->phba; struct nvme_fc_port_info nfcp_info; struct nvme_fc_local_port *localport; struct lpfc_nvme_lport *lport; - int len, ret = 0; + int len; /* Initialize this localport instance. The vport wwn usage ensures * that NPIV is accounted for. @@ -2156,8 +2149,12 @@ lpfc_nvme_create_localport(struct lpfc_vport *vport) /* localport is allocated from the stack, but the registration * call allocates heap memory as well as the private area. */ +#if (IS_ENABLED(CONFIG_NVME_FC)) ret = nvme_fc_register_localport(&nfcp_info, &lpfc_nvme_template, &vport->phba->pcidev->dev, &localport); +#else + ret = -ENOMEM; +#endif if (!ret) { lpfc_printf_vlog(vport, KERN_INFO, LOG_NVME | LOG_NVME_DISC, "6005 Successfully registered local " @@ -2173,10 +2170,10 @@ lpfc_nvme_create_localport(struct lpfc_vport *vport) lport->vport = vport; INIT_LIST_HEAD(&lport->rport_list); vport->nvmei_support = 1; + len = lpfc_new_nvme_buf(vport, phba->sli4_hba.nvme_xri_max); + vport->phba->total_nvme_bufs += len; } - len = lpfc_new_nvme_buf(vport, phba->sli4_hba.nvme_xri_max); - vport->phba->total_nvme_bufs += len; return ret; } @@ -2193,6 +2190,7 @@ lpfc_nvme_create_localport(struct lpfc_vport *vport) void lpfc_nvme_destroy_localport(struct lpfc_vport *vport) { +#if (IS_ENABLED(CONFIG_NVME_FC)) struct nvme_fc_local_port *localport; struct lpfc_nvme_lport *lport; struct lpfc_nvme_rport *rport = NULL, *rport_next = NULL; @@ -2208,7 +2206,6 @@ lpfc_nvme_destroy_localport(struct lpfc_vport *vport) lpfc_printf_vlog(vport, KERN_INFO, LOG_NVME, "6011 Destroying NVME localport %p\n", localport); - list_for_each_entry_safe(rport, rport_next, &lport->rport_list, list) { /* The last node ref has to get released now before the rport * private memory area is released by the transport. @@ -2222,6 +2219,7 @@ lpfc_nvme_destroy_localport(struct lpfc_vport *vport) "6008 rport fail destroy %x\n", ret); wait_for_completion_timeout(&rport->rport_unreg_done, 5); } + /* lport's rport list is clear. Unregister * lport and release resources. */ @@ -2245,6 +2243,7 @@ lpfc_nvme_destroy_localport(struct lpfc_vport *vport) "Failed, status x%x\n", ret); } +#endif } void @@ -2275,6 +2274,7 @@ lpfc_nvme_update_localport(struct lpfc_vport *vport) int lpfc_nvme_register_port(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) { +#if (IS_ENABLED(CONFIG_NVME_FC)) int ret = 0; struct nvme_fc_local_port *localport; struct lpfc_nvme_lport *lport; @@ -2348,7 +2348,6 @@ lpfc_nvme_register_port(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) rpinfo.port_role |= FC_PORT_ROLE_NVME_INITIATOR; rpinfo.port_name = wwn_to_u64(ndlp->nlp_portname.u.wwn); rpinfo.node_name = wwn_to_u64(ndlp->nlp_nodename.u.wwn); - ret = nvme_fc_register_remoteport(localport, &rpinfo, &remote_port); if (!ret) { @@ -2384,6 +2383,9 @@ lpfc_nvme_register_port(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) ndlp->nlp_type, ndlp->nlp_DID, ndlp); } return ret; +#else + return 0; +#endif } /* lpfc_nvme_unregister_port - unbind the DID and port_role from this rport. @@ -2401,6 +2403,7 @@ lpfc_nvme_register_port(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) void lpfc_nvme_unregister_port(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) { +#if (IS_ENABLED(CONFIG_NVME_FC)) int ret; struct nvme_fc_local_port *localport; struct lpfc_nvme_lport *lport; @@ -2458,7 +2461,61 @@ lpfc_nvme_unregister_port(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp) return; input_err: +#endif lpfc_printf_vlog(vport, KERN_ERR, LOG_NVME_DISC, "6168: State error: lport %p, rport%p FCID x%06x\n", vport->localport, ndlp->rport, ndlp->nlp_DID); } + +/** + * lpfc_sli4_nvme_xri_aborted - Fast-path process of NVME xri abort + * @phba: pointer to lpfc hba data structure. + * @axri: pointer to the fcp xri abort wcqe structure. + * + * This routine is invoked by the worker thread to process a SLI4 fast-path + * FCP aborted xri. + **/ +void +lpfc_sli4_nvme_xri_aborted(struct lpfc_hba *phba, + struct sli4_wcqe_xri_aborted *axri) +{ + uint16_t xri = bf_get(lpfc_wcqe_xa_xri, axri); + uint16_t rxid = bf_get(lpfc_wcqe_xa_remote_xid, axri); + struct lpfc_nvme_buf *lpfc_ncmd, *next_lpfc_ncmd; + struct lpfc_nodelist *ndlp; + unsigned long iflag = 0; + int rrq_empty = 0; + + if (!(phba->cfg_enable_fc4_type & LPFC_ENABLE_NVME)) + return; + spin_lock_irqsave(&phba->hbalock, iflag); + spin_lock(&phba->sli4_hba.abts_nvme_buf_list_lock); + list_for_each_entry_safe(lpfc_ncmd, next_lpfc_ncmd, + &phba->sli4_hba.lpfc_abts_nvme_buf_list, + list) { + if (lpfc_ncmd->cur_iocbq.sli4_xritag == xri) { + list_del(&lpfc_ncmd->list); + lpfc_ncmd->flags &= ~LPFC_SBUF_XBUSY; + lpfc_ncmd->status = IOSTAT_SUCCESS; + spin_unlock( + &phba->sli4_hba.abts_nvme_buf_list_lock); + + rrq_empty = list_empty(&phba->active_rrq_list); + spin_unlock_irqrestore(&phba->hbalock, iflag); + ndlp = lpfc_ncmd->ndlp; + if (ndlp) { + lpfc_set_rrq_active( + phba, ndlp, + lpfc_ncmd->cur_iocbq.sli4_lxritag, + rxid, 1); + lpfc_sli4_abts_err_handler(phba, ndlp, axri); + } + lpfc_release_nvme_buf(phba, lpfc_ncmd); + if (rrq_empty) + lpfc_worker_wake_up(phba); + return; + } + } + spin_unlock(&phba->sli4_hba.abts_nvme_buf_list_lock); + spin_unlock_irqrestore(&phba->hbalock, iflag); +} diff --git a/drivers/scsi/lpfc/lpfc_nvme.h b/drivers/scsi/lpfc/lpfc_nvme.h index b2fae5e..1347deb 100644 --- a/drivers/scsi/lpfc/lpfc_nvme.h +++ b/drivers/scsi/lpfc/lpfc_nvme.h @@ -57,6 +57,7 @@ struct lpfc_nvme_buf { struct list_head list; struct nvmefc_fcp_req *nvmeCmd; struct lpfc_nvme_rport *nrport; + struct lpfc_nodelist *ndlp; uint32_t timeout; diff --git a/drivers/scsi/lpfc/lpfc_nvmet.c b/drivers/scsi/lpfc/lpfc_nvmet.c index c421e17..acba1b6 100644 --- a/drivers/scsi/lpfc/lpfc_nvmet.c +++ b/drivers/scsi/lpfc/lpfc_nvmet.c @@ -520,7 +520,7 @@ lpfc_nvmet_xmt_fcp_op(struct nvmet_fc_target_port *tgtport, struct lpfc_hba *phba = ctxp->phba; struct lpfc_iocbq *nvmewqeq; unsigned long iflags; - int rc, id; + int rc; #ifdef CONFIG_SCSI_LPFC_DEBUG_FS if (phba->ktime_on) { @@ -530,7 +530,7 @@ lpfc_nvmet_xmt_fcp_op(struct nvmet_fc_target_port *tgtport, ctxp->ts_nvme_data = ktime_get_ns(); } if (phba->cpucheck_on & LPFC_CHECK_NVMET_IO) { - id = smp_processor_id(); + int id = smp_processor_id(); ctxp->cpu = id; if (id < LPFC_CHECK_CPU_CNT) phba->cpucheck_xmt_io[id]++; @@ -571,6 +571,7 @@ lpfc_nvmet_xmt_fcp_op(struct nvmet_fc_target_port *tgtport, lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, "6102 Bad state IO x%x aborted\n", ctxp->oxid); + rc = -ENXIO; goto aerr; } @@ -580,6 +581,7 @@ lpfc_nvmet_xmt_fcp_op(struct nvmet_fc_target_port *tgtport, lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, "6152 FCP Drop IO x%x: Prep\n", ctxp->oxid); + rc = -ENXIO; goto aerr; } @@ -618,8 +620,9 @@ lpfc_nvmet_xmt_fcp_op(struct nvmet_fc_target_port *tgtport, ctxp->wqeq->hba_wqidx = 0; nvmewqeq->context2 = NULL; nvmewqeq->context3 = NULL; + rc = -EBUSY; aerr: - return -ENXIO; + return rc; } static void @@ -668,9 +671,13 @@ lpfc_nvmet_create_targetport(struct lpfc_hba *phba) lpfc_tgttemplate.target_features = NVMET_FCTGTFEAT_READDATA_RSP | NVMET_FCTGTFEAT_NEEDS_CMD_CPUSCHED; +#if (IS_ENABLED(CONFIG_NVME_TARGET_FC)) error = nvmet_fc_register_targetport(&pinfo, &lpfc_tgttemplate, &phba->pcidev->dev, &phba->targetport); +#else + error = -ENOMEM; +#endif if (error) { lpfc_printf_log(phba, KERN_ERR, LOG_NVME_DISC, "6025 Cannot register NVME targetport " @@ -731,9 +738,25 @@ lpfc_nvmet_update_targetport(struct lpfc_hba *phba) return 0; } +/** + * lpfc_sli4_nvmet_xri_aborted - Fast-path process of nvmet xri abort + * @phba: pointer to lpfc hba data structure. + * @axri: pointer to the nvmet xri abort wcqe structure. + * + * This routine is invoked by the worker thread to process a SLI4 fast-path + * NVMET aborted xri. + **/ +void +lpfc_sli4_nvmet_xri_aborted(struct lpfc_hba *phba, + struct sli4_wcqe_xri_aborted *axri) +{ + /* TODO: work in progress */ +} + void lpfc_nvmet_destroy_targetport(struct lpfc_hba *phba) { +#if (IS_ENABLED(CONFIG_NVME_TARGET_FC)) struct lpfc_nvmet_tgtport *tgtp; if (phba->nvmet_support == 0) @@ -745,6 +768,7 @@ lpfc_nvmet_destroy_targetport(struct lpfc_hba *phba) wait_for_completion_timeout(&tgtp->tport_unreg_done, 5); } phba->targetport = NULL; +#endif } /** @@ -764,6 +788,7 @@ static void lpfc_nvmet_unsol_ls_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring, struct hbq_dmabuf *nvmebuf) { +#if (IS_ENABLED(CONFIG_NVME_TARGET_FC)) struct lpfc_nvmet_tgtport *tgtp; struct fc_frame_header *fc_hdr; struct lpfc_nvmet_rcv_ctx *ctxp; @@ -844,6 +869,7 @@ dropit: atomic_inc(&tgtp->xmt_ls_abort); lpfc_nvmet_unsol_ls_issue_abort(phba, ctxp, sid, oxid); +#endif } /** @@ -865,6 +891,7 @@ lpfc_nvmet_unsol_fcp_buffer(struct lpfc_hba *phba, struct rqb_dmabuf *nvmebuf, uint64_t isr_timestamp) { +#if (IS_ENABLED(CONFIG_NVME_TARGET_FC)) struct lpfc_nvmet_rcv_ctx *ctxp; struct lpfc_nvmet_tgtport *tgtp; struct fc_frame_header *fc_hdr; @@ -955,7 +982,7 @@ lpfc_nvmet_unsol_fcp_buffer(struct lpfc_hba *phba, atomic_inc(&tgtp->rcv_fcp_cmd_drop); lpfc_printf_log(phba, KERN_ERR, LOG_NVME_IOERR, - "6159 FCP Drop IO x%x: nvmet_fc_rcv_fcp_req x%x\n", + "6159 FCP Drop IO x%x: err x%x\n", ctxp->oxid, rc); dropit: lpfc_nvmeio_data(phba, "NVMET FCP DROP: xri x%x sz %d from %06x\n", @@ -970,6 +997,7 @@ dropit: /* We assume a rcv'ed cmd ALWAYs fits into 1 buffer */ lpfc_nvmet_rq_post(phba, NULL, &nvmebuf->hbuf); } +#endif } /** @@ -1114,7 +1142,7 @@ lpfc_nvmet_prep_ls_wqe(struct lpfc_hba *phba, bf_set(wqe_dfctl, &wqe->xmit_sequence.wge_ctl, 0); bf_set(wqe_ls, &wqe->xmit_sequence.wge_ctl, 1); bf_set(wqe_la, &wqe->xmit_sequence.wge_ctl, 0); - bf_set(wqe_rctl, &wqe->xmit_sequence.wge_ctl, FC_RCTL_DD_SOL_CTL); + bf_set(wqe_rctl, &wqe->xmit_sequence.wge_ctl, FC_RCTL_ELS4_REP); bf_set(wqe_type, &wqe->xmit_sequence.wge_ctl, FC_TYPE_NVME); /* Word 6 */ @@ -1445,7 +1473,6 @@ lpfc_nvmet_prep_fcp_wqe(struct lpfc_hba *phba, case NVMET_FCOP_RSP: /* Words 0 - 2 */ - sgel = &rsp->sg[0]; physaddr = rsp->rspdma; wqe->fcp_trsp.bde.tus.f.bdeFlags = BUFF_TYPE_BDE_64; wqe->fcp_trsp.bde.tus.f.bdeSize = rsp->rsplen; @@ -1681,8 +1708,8 @@ lpfc_nvmet_unsol_issue_abort(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp; lpfc_printf_log(phba, KERN_INFO, LOG_NVME_ABTS, - "6067 %s: Entrypoint: sid %x xri %x\n", __func__, - sid, xri); + "6067 Abort: sid %x xri x%x/x%x\n", + sid, xri, ctxp->wqeq->sli4_xritag); tgtp = (struct lpfc_nvmet_tgtport *)phba->targetport->private; @@ -1693,7 +1720,7 @@ lpfc_nvmet_unsol_issue_abort(struct lpfc_hba *phba, atomic_inc(&tgtp->xmt_abort_rsp_error); lpfc_printf_log(phba, KERN_WARNING, LOG_NVME_ABTS, "6134 Drop ABTS - wrong NDLP state x%x.\n", - ndlp->nlp_state); + (ndlp) ? ndlp->nlp_state : NLP_STE_MAX_STATE); /* No failure to an ABTS request. */ return 0; @@ -1791,7 +1818,7 @@ lpfc_nvmet_sol_fcp_issue_abort(struct lpfc_hba *phba, atomic_inc(&tgtp->xmt_abort_rsp_error); lpfc_printf_log(phba, KERN_WARNING, LOG_NVME_ABTS, "6160 Drop ABTS - wrong NDLP state x%x.\n", - ndlp->nlp_state); + (ndlp) ? ndlp->nlp_state : NLP_STE_MAX_STATE); /* No failure to an ABTS request. */ return 0; diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c index 9d6384a..54fd0c8 100644 --- a/drivers/scsi/lpfc/lpfc_scsi.c +++ b/drivers/scsi/lpfc/lpfc_scsi.c @@ -5953,12 +5953,13 @@ struct scsi_host_template lpfc_template_nvme = { .track_queue_depth = 0, }; -struct scsi_host_template lpfc_template_s3 = { +struct scsi_host_template lpfc_template_no_hr = { .module = THIS_MODULE, .name = LPFC_DRIVER_NAME, .proc_name = LPFC_DRIVER_NAME, .info = lpfc_info, .queuecommand = lpfc_queuecommand, + .eh_timed_out = fc_eh_timed_out, .eh_abort_handler = lpfc_abort_handler, .eh_device_reset_handler = lpfc_device_reset_handler, .eh_target_reset_handler = lpfc_target_reset_handler, @@ -6015,7 +6016,6 @@ struct scsi_host_template lpfc_vport_template = { .eh_abort_handler = lpfc_abort_handler, .eh_device_reset_handler = lpfc_device_reset_handler, .eh_target_reset_handler = lpfc_target_reset_handler, - .eh_bus_reset_handler = lpfc_bus_reset_handler, .slave_alloc = lpfc_slave_alloc, .slave_configure = lpfc_slave_configure, .slave_destroy = lpfc_slave_destroy, diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c index e43e5e2..1c9fa45 100644 --- a/drivers/scsi/lpfc/lpfc_sli.c +++ b/drivers/scsi/lpfc/lpfc_sli.c @@ -1,3 +1,4 @@ + /******************************************************************* * This file is part of the Emulex Linux Device Driver for * * Fibre Channel Host Bus Adapters. * @@ -952,7 +953,7 @@ __lpfc_sli_get_els_sglq(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq) start_sglq = sglq; while (!found) { if (!sglq) - return NULL; + break; if (ndlp && ndlp->active_rrqs_xri_bitmap && test_bit(sglq->sli4_lxritag, ndlp->active_rrqs_xri_bitmap)) { @@ -12213,6 +12214,41 @@ void lpfc_sli4_fcp_xri_abort_event_proc(struct lpfc_hba *phba) } /** + * lpfc_sli4_nvme_xri_abort_event_proc - Process nvme xri abort event + * @phba: pointer to lpfc hba data structure. + * + * This routine is invoked by the worker thread to process all the pending + * SLI4 NVME abort XRI events. + **/ +void lpfc_sli4_nvme_xri_abort_event_proc(struct lpfc_hba *phba) +{ + struct lpfc_cq_event *cq_event; + + /* First, declare the fcp xri abort event has been handled */ + spin_lock_irq(&phba->hbalock); + phba->hba_flag &= ~NVME_XRI_ABORT_EVENT; + spin_unlock_irq(&phba->hbalock); + /* Now, handle all the fcp xri abort events */ + while (!list_empty(&phba->sli4_hba.sp_nvme_xri_aborted_work_queue)) { + /* Get the first event from the head of the event queue */ + spin_lock_irq(&phba->hbalock); + list_remove_head(&phba->sli4_hba.sp_nvme_xri_aborted_work_queue, + cq_event, struct lpfc_cq_event, list); + spin_unlock_irq(&phba->hbalock); + /* Notify aborted XRI for NVME work queue */ + if (phba->nvmet_support) { + lpfc_sli4_nvmet_xri_aborted(phba, + &cq_event->cqe.wcqe_axri); + } else { + lpfc_sli4_nvme_xri_aborted(phba, + &cq_event->cqe.wcqe_axri); + } + /* Free the event processed back to the free pool */ + lpfc_sli4_cq_event_release(phba, cq_event); + } +} + +/** * lpfc_sli4_els_xri_abort_event_proc - Process els xri abort event * @phba: pointer to lpfc hba data structure. * @@ -12709,10 +12745,22 @@ lpfc_sli4_sp_handle_abort_xri_wcqe(struct lpfc_hba *phba, spin_unlock_irqrestore(&phba->hbalock, iflags); workposted = true; break; + case LPFC_NVME: + spin_lock_irqsave(&phba->hbalock, iflags); + list_add_tail(&cq_event->list, + &phba->sli4_hba.sp_nvme_xri_aborted_work_queue); + /* Set the nvme xri abort event flag */ + phba->hba_flag |= NVME_XRI_ABORT_EVENT; + spin_unlock_irqrestore(&phba->hbalock, iflags); + workposted = true; + break; default: lpfc_printf_log(phba, KERN_ERR, LOG_SLI, - "0603 Invalid work queue CQE subtype (x%x)\n", - cq->subtype); + "0603 Invalid CQ subtype %d: " + "%08x %08x %08x %08x\n", + cq->subtype, wcqe->word0, wcqe->parameter, + wcqe->word2, wcqe->word3); + lpfc_sli4_cq_event_release(phba, cq_event); workposted = false; break; } @@ -13827,6 +13875,8 @@ lpfc_dual_chute_pci_bar_map(struct lpfc_hba *phba, uint16_t pci_barset) * @startq: The starting FCP EQ to modify * * This function sends an MODIFY_EQ_DELAY mailbox command to the HBA. + * The command allows up to LPFC_MAX_EQ_DELAY_EQID_CNT EQ ID's to be + * updated in one mailbox command. * * The @phba struct is used to send mailbox command to HBA. The @startq * is used to get the starting FCP EQ to change. @@ -13879,7 +13929,7 @@ lpfc_modify_hba_eq_delay(struct lpfc_hba *phba, uint32_t startq) eq_delay->u.request.eq[cnt].phase = 0; eq_delay->u.request.eq[cnt].delay_multi = dmult; cnt++; - if (cnt >= LPFC_MAX_EQ_DELAY) + if (cnt >= LPFC_MAX_EQ_DELAY_EQID_CNT) break; } eq_delay->u.request.num_eq = cnt; @@ -15185,17 +15235,17 @@ lpfc_mrq_create(struct lpfc_hba *phba, struct lpfc_queue **hrqp, drq = drqp[idx]; cq = cqp[idx]; - if (hrq->entry_count != drq->entry_count) { - status = -EINVAL; - goto out; - } - /* sanity check on queue memory */ if (!hrq || !drq || !cq) { status = -ENODEV; goto out; } + if (hrq->entry_count != drq->entry_count) { + status = -EINVAL; + goto out; + } + if (idx == 0) { bf_set(lpfc_mbx_rq_create_num_pages, &rq_create->u.request, diff --git a/drivers/scsi/lpfc/lpfc_sli4.h b/drivers/scsi/lpfc/lpfc_sli4.h index 91153c9..710458c 100644 --- a/drivers/scsi/lpfc/lpfc_sli4.h +++ b/drivers/scsi/lpfc/lpfc_sli4.h @@ -642,6 +642,7 @@ struct lpfc_sli4_hba { struct list_head sp_asynce_work_queue; struct list_head sp_fcp_xri_aborted_work_queue; struct list_head sp_els_xri_aborted_work_queue; + struct list_head sp_nvme_xri_aborted_work_queue; struct list_head sp_unsol_work_queue; struct lpfc_sli4_link link_state; struct lpfc_sli4_lnk_info lnk_info; @@ -794,9 +795,14 @@ void lpfc_sli4_fcf_redisc_event_proc(struct lpfc_hba *); int lpfc_sli4_resume_rpi(struct lpfc_nodelist *, void (*)(struct lpfc_hba *, LPFC_MBOXQ_t *), void *); void lpfc_sli4_fcp_xri_abort_event_proc(struct lpfc_hba *); +void lpfc_sli4_nvme_xri_abort_event_proc(struct lpfc_hba *phba); void lpfc_sli4_els_xri_abort_event_proc(struct lpfc_hba *); void lpfc_sli4_fcp_xri_aborted(struct lpfc_hba *, struct sli4_wcqe_xri_aborted *); +void lpfc_sli4_nvme_xri_aborted(struct lpfc_hba *phba, + struct sli4_wcqe_xri_aborted *axri); +void lpfc_sli4_nvmet_xri_aborted(struct lpfc_hba *phba, + struct sli4_wcqe_xri_aborted *axri); void lpfc_sli4_els_xri_aborted(struct lpfc_hba *, struct sli4_wcqe_xri_aborted *); void lpfc_sli4_vport_delete_els_xri_aborted(struct lpfc_vport *); diff --git a/drivers/scsi/lpfc/lpfc_version.h b/drivers/scsi/lpfc/lpfc_version.h index 86c6c9b..d4e95e2 100644 --- a/drivers/scsi/lpfc/lpfc_version.h +++ b/drivers/scsi/lpfc/lpfc_version.h @@ -20,7 +20,7 @@ * included with this package. * *******************************************************************/ -#define LPFC_DRIVER_VERSION "11.2.0.7" +#define LPFC_DRIVER_VERSION "11.2.0.10" #define LPFC_DRIVER_NAME "lpfc" /* Used for SLI 2/3 */ diff --git a/drivers/scsi/megaraid/megaraid_sas.h b/drivers/scsi/megaraid/megaraid_sas.h index e7e5974..2b209bb 100644 --- a/drivers/scsi/megaraid/megaraid_sas.h +++ b/drivers/scsi/megaraid/megaraid_sas.h @@ -35,8 +35,8 @@ /* * MegaRAID SAS Driver meta data */ -#define MEGASAS_VERSION "07.701.16.00-rc1" -#define MEGASAS_RELDATE "February 2, 2017" +#define MEGASAS_VERSION "07.701.17.00-rc1" +#define MEGASAS_RELDATE "March 2, 2017" /* * Device IDs diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c b/drivers/scsi/megaraid/megaraid_sas_base.c index 7ac9a9e..0016f12c 100644 --- a/drivers/scsi/megaraid/megaraid_sas_base.c +++ b/drivers/scsi/megaraid/megaraid_sas_base.c @@ -1963,6 +1963,9 @@ scan_target: if (!mr_device_priv_data) return -ENOMEM; sdev->hostdata = mr_device_priv_data; + + atomic_set(&mr_device_priv_data->r1_ldio_hint, + instance->r1_ldio_hint_default); return 0; } @@ -5034,10 +5037,12 @@ megasas_setup_irqs_msix(struct megasas_instance *instance, u8 is_probe) &instance->irq_context[j]); /* Retry irq register for IO_APIC*/ instance->msix_vectors = 0; - if (is_probe) + if (is_probe) { + pci_free_irq_vectors(instance->pdev); return megasas_setup_irqs_ioapic(instance); - else + } else { return -1; + } } } return 0; @@ -5277,9 +5282,11 @@ static int megasas_init_fw(struct megasas_instance *instance) MPI2_REPLY_POST_HOST_INDEX_OFFSET); } - i = pci_alloc_irq_vectors(instance->pdev, 1, 1, PCI_IRQ_LEGACY); - if (i < 0) - goto fail_setup_irqs; + if (!instance->msix_vectors) { + i = pci_alloc_irq_vectors(instance->pdev, 1, 1, PCI_IRQ_LEGACY); + if (i < 0) + goto fail_setup_irqs; + } dev_info(&instance->pdev->dev, "firmware supports msix\t: (%d)", fw_msix_count); diff --git a/drivers/scsi/megaraid/megaraid_sas_fusion.c b/drivers/scsi/megaraid/megaraid_sas_fusion.c index 29650ba..f990ab4d 100644 --- a/drivers/scsi/megaraid/megaraid_sas_fusion.c +++ b/drivers/scsi/megaraid/megaraid_sas_fusion.c @@ -2159,7 +2159,7 @@ megasas_set_raidflag_cpu_affinity(union RAID_CONTEXT_UNION *praid_context, cpu_sel = MR_RAID_CTX_CPUSEL_1; if (is_stream_detected(rctx_g35) && - (raid->level == 5) && + ((raid->level == 5) || (raid->level == 6)) && (raid->writeMode == MR_RL_WRITE_THROUGH_MODE) && (cpu_sel == MR_RAID_CTX_CPUSEL_FCFS)) cpu_sel = MR_RAID_CTX_CPUSEL_0; @@ -2338,7 +2338,7 @@ megasas_build_ldio_fusion(struct megasas_instance *instance, fp_possible = false; atomic_dec(&instance->fw_outstanding); } else if ((scsi_buff_len > MR_LARGE_IO_MIN_SIZE) || - atomic_dec_if_positive(&mrdev_priv->r1_ldio_hint)) { + (atomic_dec_if_positive(&mrdev_priv->r1_ldio_hint) > 0)) { fp_possible = false; atomic_dec(&instance->fw_outstanding); if (scsi_buff_len > MR_LARGE_IO_MIN_SIZE) diff --git a/drivers/scsi/mpt3sas/mpt3sas_base.h b/drivers/scsi/mpt3sas/mpt3sas_base.h index 7fe7e6e..8981806f 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_base.h +++ b/drivers/scsi/mpt3sas/mpt3sas_base.h @@ -1442,9 +1442,6 @@ void mpt3sas_transport_update_links(struct MPT3SAS_ADAPTER *ioc, u64 sas_address, u16 handle, u8 phy_number, u8 link_rate); extern struct sas_function_template mpt3sas_transport_functions; extern struct scsi_transport_template *mpt3sas_transport_template; -extern int scsi_internal_device_block(struct scsi_device *sdev); -extern int scsi_internal_device_unblock(struct scsi_device *sdev, - enum scsi_device_state new_state); /* trigger data externs */ void mpt3sas_send_trigger_data_event(struct MPT3SAS_ADAPTER *ioc, struct SL_WH_TRIGGERS_EVENT_DATA_T *event_data); diff --git a/drivers/scsi/mpt3sas/mpt3sas_scsih.c b/drivers/scsi/mpt3sas/mpt3sas_scsih.c index 46e866c..919ba2b 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_scsih.c +++ b/drivers/scsi/mpt3sas/mpt3sas_scsih.c @@ -2859,7 +2859,7 @@ _scsih_internal_device_block(struct scsi_device *sdev, sas_device_priv_data->sas_target->handle); sas_device_priv_data->block = 1; - r = scsi_internal_device_block(sdev); + r = scsi_internal_device_block(sdev, false); if (r == -EINVAL) sdev_printk(KERN_WARNING, sdev, "device_block failed with return(%d) for handle(0x%04x)\n", @@ -2895,7 +2895,7 @@ _scsih_internal_device_unblock(struct scsi_device *sdev, "performing a block followed by an unblock\n", r, sas_device_priv_data->sas_target->handle); sas_device_priv_data->block = 1; - r = scsi_internal_device_block(sdev); + r = scsi_internal_device_block(sdev, false); if (r) sdev_printk(KERN_WARNING, sdev, "retried device_block " "failed with return(%d) for handle(0x%04x)\n", @@ -4677,7 +4677,6 @@ _scsih_io_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply) struct MPT3SAS_DEVICE *sas_device_priv_data; u32 response_code = 0; unsigned long flags; - unsigned int sector_sz; mpi_reply = mpt3sas_base_get_reply_virt_addr(ioc, reply); @@ -4742,20 +4741,6 @@ _scsih_io_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply) } xfer_cnt = le32_to_cpu(mpi_reply->TransferCount); - - /* In case of bogus fw or device, we could end up having - * unaligned partial completion. We can force alignment here, - * then scsi-ml does not need to handle this misbehavior. - */ - sector_sz = scmd->device->sector_size; - if (unlikely(!blk_rq_is_passthrough(scmd->request) && sector_sz && - xfer_cnt % sector_sz)) { - sdev_printk(KERN_INFO, scmd->device, - "unaligned partial completion avoided (xfer_cnt=%u, sector_sz=%u)\n", - xfer_cnt, sector_sz); - xfer_cnt = round_down(xfer_cnt, sector_sz); - } - scsi_set_resid(scmd, scsi_bufflen(scmd) - xfer_cnt); if (ioc_status & MPI2_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE) log_info = le32_to_cpu(mpi_reply->IOCLogInfo); diff --git a/drivers/scsi/qedf/qedf_dbg.h b/drivers/scsi/qedf/qedf_dbg.h index 23bd706..7d173f48 100644 --- a/drivers/scsi/qedf/qedf_dbg.h +++ b/drivers/scsi/qedf/qedf_dbg.h @@ -81,14 +81,17 @@ struct qedf_dbg_ctx { #define QEDF_INFO(pdev, level, fmt, ...) \ qedf_dbg_info(pdev, __func__, __LINE__, level, fmt, \ ## __VA_ARGS__) - -extern void qedf_dbg_err(struct qedf_dbg_ctx *qedf, const char *func, u32 line, +__printf(4, 5) +void qedf_dbg_err(struct qedf_dbg_ctx *qedf, const char *func, u32 line, const char *fmt, ...); -extern void qedf_dbg_warn(struct qedf_dbg_ctx *qedf, const char *func, u32 line, +__printf(4, 5) +void qedf_dbg_warn(struct qedf_dbg_ctx *qedf, const char *func, u32 line, const char *, ...); -extern void qedf_dbg_notice(struct qedf_dbg_ctx *qedf, const char *func, +__printf(4, 5) +void qedf_dbg_notice(struct qedf_dbg_ctx *qedf, const char *func, u32 line, const char *, ...); -extern void qedf_dbg_info(struct qedf_dbg_ctx *qedf, const char *func, u32 line, +__printf(5, 6) +void qedf_dbg_info(struct qedf_dbg_ctx *qedf, const char *func, u32 line, u32 info, const char *fmt, ...); /* GRC Dump related defines */ diff --git a/drivers/scsi/qedf/qedf_fip.c b/drivers/scsi/qedf/qedf_fip.c index 868d423..e10b91c 100644 --- a/drivers/scsi/qedf/qedf_fip.c +++ b/drivers/scsi/qedf/qedf_fip.c @@ -99,7 +99,8 @@ static void qedf_fcoe_process_vlan_resp(struct qedf_ctx *qedf, qedf_set_vlan_id(qedf, vid); /* Inform waiter that it's ok to call fcoe_ctlr_link up() */ - complete(&qedf->fipvlan_compl); + if (!completion_done(&qedf->fipvlan_compl)) + complete(&qedf->fipvlan_compl); } } @@ -203,7 +204,7 @@ void qedf_fip_recv(struct qedf_ctx *qedf, struct sk_buff *skb) case FIP_DT_MAC: mp = (struct fip_mac_desc *)desc; QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_LL2, - "fd_mac=%pM.\n", __func__, mp->fd_mac); + "fd_mac=%pM\n", mp->fd_mac); ether_addr_copy(cvl_mac, mp->fd_mac); break; case FIP_DT_NAME: diff --git a/drivers/scsi/qedf/qedf_io.c b/drivers/scsi/qedf/qedf_io.c index ee0dcf9..46debe5 100644 --- a/drivers/scsi/qedf/qedf_io.c +++ b/drivers/scsi/qedf/qedf_io.c @@ -1342,7 +1342,7 @@ void qedf_scsi_completion(struct qedf_ctx *qedf, struct fcoe_cqe *cqe, } else { refcount = kref_read(&io_req->refcount); QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_IO, - "%d:0:%d:%d xid=0x%0x op=0x%02x " + "%d:0:%d:%lld xid=0x%0x op=0x%02x " "lba=%02x%02x%02x%02x cdb_status=%d " "fcp_resid=0x%x refcount=%d.\n", qedf->lport->host->host_no, sc_cmd->device->id, @@ -1426,7 +1426,7 @@ void qedf_scsi_done(struct qedf_ctx *qedf, struct qedf_ioreq *io_req, sc_cmd->result = result << 16; refcount = kref_read(&io_req->refcount); - QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_IO, "%d:0:%d:%d: Completing " + QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_IO, "%d:0:%d:%lld: Completing " "sc_cmd=%p result=0x%08x op=0x%02x lba=0x%02x%02x%02x%02x, " "allowed=%d retries=%d refcount=%d.\n", qedf->lport->host->host_no, sc_cmd->device->id, diff --git a/drivers/scsi/qedf/qedf_main.c b/drivers/scsi/qedf/qedf_main.c index d9d7a86..cceddd9 100644 --- a/drivers/scsi/qedf/qedf_main.c +++ b/drivers/scsi/qedf/qedf_main.c @@ -2456,8 +2456,8 @@ static int qedf_alloc_bdq(struct qedf_ctx *qedf) } QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_DISC, - "BDQ PBL addr=0x%p dma=0x%llx.\n", qedf->bdq_pbl, - qedf->bdq_pbl_dma); + "BDQ PBL addr=0x%p dma=%pad\n", + qedf->bdq_pbl, &qedf->bdq_pbl_dma); /* * Populate BDQ PBL with physical and virtual address of individual @@ -2803,6 +2803,7 @@ static int __qedf_probe(struct pci_dev *pdev, int mode) atomic_set(&qedf->num_offloads, 0); qedf->stop_io_on_error = false; pci_set_drvdata(pdev, qedf); + init_completion(&qedf->fipvlan_compl); QEDF_INFO(&(qedf->dbg_ctx), QEDF_LOG_INFO, "QLogic FastLinQ FCoE Module qedf %s, " diff --git a/drivers/scsi/qedi/qedi_debugfs.c b/drivers/scsi/qedi/qedi_debugfs.c index 9559362..5941719 100644 --- a/drivers/scsi/qedi/qedi_debugfs.c +++ b/drivers/scsi/qedi/qedi_debugfs.c @@ -14,7 +14,7 @@ #include <linux/debugfs.h> #include <linux/module.h> -int do_not_recover; +int qedi_do_not_recover; static struct dentry *qedi_dbg_root; void @@ -74,22 +74,22 @@ qedi_dbg_exit(void) static ssize_t qedi_dbg_do_not_recover_enable(struct qedi_dbg_ctx *qedi_dbg) { - if (!do_not_recover) - do_not_recover = 1; + if (!qedi_do_not_recover) + qedi_do_not_recover = 1; QEDI_INFO(qedi_dbg, QEDI_LOG_DEBUGFS, "do_not_recover=%d\n", - do_not_recover); + qedi_do_not_recover); return 0; } static ssize_t qedi_dbg_do_not_recover_disable(struct qedi_dbg_ctx *qedi_dbg) { - if (do_not_recover) - do_not_recover = 0; + if (qedi_do_not_recover) + qedi_do_not_recover = 0; QEDI_INFO(qedi_dbg, QEDI_LOG_DEBUGFS, "do_not_recover=%d\n", - do_not_recover); + qedi_do_not_recover); return 0; } @@ -141,7 +141,7 @@ qedi_dbg_do_not_recover_cmd_read(struct file *filp, char __user *buffer, if (*ppos) return 0; - cnt = sprintf(buffer, "do_not_recover=%d\n", do_not_recover); + cnt = sprintf(buffer, "do_not_recover=%d\n", qedi_do_not_recover); cnt = min_t(int, count, cnt - *ppos); *ppos += cnt; return cnt; diff --git a/drivers/scsi/qedi/qedi_fw.c b/drivers/scsi/qedi/qedi_fw.c index c9f0ef4..2bce3ef 100644 --- a/drivers/scsi/qedi/qedi_fw.c +++ b/drivers/scsi/qedi/qedi_fw.c @@ -1461,9 +1461,9 @@ static void qedi_tmf_work(struct work_struct *work) get_itt(tmf_hdr->rtt), get_itt(ctask->itt), cmd->task_id, qedi_conn->iscsi_conn_id); - if (do_not_recover) { + if (qedi_do_not_recover) { QEDI_ERR(&qedi->dbg_ctx, "DONT SEND CLEANUP/ABORT %d\n", - do_not_recover); + qedi_do_not_recover); goto abort_ret; } diff --git a/drivers/scsi/qedi/qedi_gbl.h b/drivers/scsi/qedi/qedi_gbl.h index 8e488de..63d793f 100644 --- a/drivers/scsi/qedi/qedi_gbl.h +++ b/drivers/scsi/qedi/qedi_gbl.h @@ -12,8 +12,14 @@ #include "qedi_iscsi.h" +#ifdef CONFIG_DEBUG_FS +extern int qedi_do_not_recover; +#else +#define qedi_do_not_recover (0) +#endif + extern uint qedi_io_tracing; -extern int do_not_recover; + extern struct scsi_host_template qedi_host_template; extern struct iscsi_transport qedi_iscsi_transport; extern const struct qed_iscsi_ops *qedi_ops; diff --git a/drivers/scsi/qedi/qedi_iscsi.c b/drivers/scsi/qedi/qedi_iscsi.c index b9f79d3..4cc4743 100644 --- a/drivers/scsi/qedi/qedi_iscsi.c +++ b/drivers/scsi/qedi/qedi_iscsi.c @@ -833,7 +833,7 @@ qedi_ep_connect(struct Scsi_Host *shost, struct sockaddr *dst_addr, return ERR_PTR(ret); } - if (do_not_recover) { + if (qedi_do_not_recover) { ret = -ENOMEM; return ERR_PTR(ret); } @@ -957,7 +957,7 @@ static int qedi_ep_poll(struct iscsi_endpoint *ep, int timeout_ms) struct qedi_endpoint *qedi_ep; int ret = 0; - if (do_not_recover) + if (qedi_do_not_recover) return 1; qedi_ep = ep->dd_data; @@ -1025,7 +1025,7 @@ static void qedi_ep_disconnect(struct iscsi_endpoint *ep) } if (test_bit(QEDI_IN_RECOVERY, &qedi->flags)) { - if (do_not_recover) { + if (qedi_do_not_recover) { QEDI_INFO(&qedi->dbg_ctx, QEDI_LOG_INFO, "Do not recover cid=0x%x\n", qedi_ep->iscsi_cid); @@ -1039,7 +1039,7 @@ static void qedi_ep_disconnect(struct iscsi_endpoint *ep) } } - if (do_not_recover) + if (qedi_do_not_recover) goto ep_exit_recover; switch (qedi_ep->state) { diff --git a/drivers/scsi/qedi/qedi_main.c b/drivers/scsi/qedi/qedi_main.c index 5eda21d..92775a8 100644 --- a/drivers/scsi/qedi/qedi_main.c +++ b/drivers/scsi/qedi/qedi_main.c @@ -1805,7 +1805,7 @@ static int __qedi_probe(struct pci_dev *pdev, int mode) */ qedi_ops->common->update_pf_params(qedi->cdev, &qedi->pf_params); - qedi_setup_int(qedi); + rc = qedi_setup_int(qedi); if (rc) goto stop_iscsi_func; @@ -2007,6 +2007,7 @@ static void qedi_remove(struct pci_dev *pdev) static struct pci_device_id qedi_pci_tbl[] = { { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, 0x165E) }, + { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, 0x8084) }, { 0 }, }; MODULE_DEVICE_TABLE(pci, qedi_pci_tbl); diff --git a/drivers/scsi/qla2xxx/Kconfig b/drivers/scsi/qla2xxx/Kconfig index 67c0d5a..de95293 100644 --- a/drivers/scsi/qla2xxx/Kconfig +++ b/drivers/scsi/qla2xxx/Kconfig @@ -3,6 +3,7 @@ config SCSI_QLA_FC depends on PCI && SCSI depends on SCSI_FC_ATTRS select FW_LOADER + select BTREE ---help--- This qla2xxx driver supports all QLogic Fibre Channel PCI and PCIe host adapters. diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c index f610103..435ff7f 100644 --- a/drivers/scsi/qla2xxx/qla_attr.c +++ b/drivers/scsi/qla2xxx/qla_attr.c @@ -2154,8 +2154,6 @@ qla24xx_vport_delete(struct fc_vport *fc_vport) "Timer for the VP[%d] has stopped\n", vha->vp_idx); } - BUG_ON(atomic_read(&vha->vref_count)); - qla2x00_free_fcports(vha); mutex_lock(&ha->vport_lock); @@ -2166,7 +2164,7 @@ qla24xx_vport_delete(struct fc_vport *fc_vport) dma_free_coherent(&ha->pdev->dev, vha->gnl.size, vha->gnl.l, vha->gnl.ldma); - if (vha->qpair->vp_idx == vha->vp_idx) { + if (vha->qpair && vha->qpair->vp_idx == vha->vp_idx) { if (qla2xxx_delete_qpair(vha, vha->qpair) != QLA_SUCCESS) ql_log(ql_log_warn, vha, 0x7087, "Queue Pair delete failed.\n"); diff --git a/drivers/scsi/qla2xxx/qla_dbg.c b/drivers/scsi/qla2xxx/qla_dbg.c index 21d9fb7..51b4179 100644 --- a/drivers/scsi/qla2xxx/qla_dbg.c +++ b/drivers/scsi/qla2xxx/qla_dbg.c @@ -2707,13 +2707,9 @@ ql_dump_buffer(uint32_t level, scsi_qla_host_t *vha, int32_t id, "%-+5d 0 1 2 3 4 5 6 7 8 9 A B C D E F\n", size); ql_dbg(level, vha, id, "----- -----------------------------------------------\n"); - for (cnt = 0; cnt < size; cnt++, buf++) { - if (cnt % 16 == 0) - ql_dbg(level, vha, id, "%04x:", cnt & ~0xFU); - printk(" %02x", *buf); - if (cnt % 16 == 15) - printk("\n"); + for (cnt = 0; cnt < size; cnt += 16) { + ql_dbg(level, vha, id, "%04x: ", cnt); + print_hex_dump(KERN_CONT, "", DUMP_PREFIX_NONE, 16, 1, + buf + cnt, min(16U, size - cnt), false); } - if (cnt % 16 != 0) - printk("\n"); } diff --git a/drivers/scsi/qla2xxx/qla_dbg.h b/drivers/scsi/qla2xxx/qla_dbg.h index e1fc4e6..c6bffe9 100644 --- a/drivers/scsi/qla2xxx/qla_dbg.h +++ b/drivers/scsi/qla2xxx/qla_dbg.h @@ -348,6 +348,7 @@ ql_log_pci(uint32_t, struct pci_dev *pdev, int32_t, const char *fmt, ...); #define ql_dbg_tgt 0x00004000 /* Target mode */ #define ql_dbg_tgt_mgt 0x00002000 /* Target mode management */ #define ql_dbg_tgt_tmr 0x00001000 /* Target mode task management */ +#define ql_dbg_tgt_dif 0x00000800 /* Target mode dif */ extern int qla27xx_dump_mpi_ram(struct qla_hw_data *, uint32_t, uint32_t *, uint32_t, void **); diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h index 625d438..ae11901 100644 --- a/drivers/scsi/qla2xxx/qla_def.h +++ b/drivers/scsi/qla2xxx/qla_def.h @@ -25,6 +25,7 @@ #include <linux/firmware.h> #include <linux/aer.h> #include <linux/mutex.h> +#include <linux/btree.h> #include <scsi/scsi.h> #include <scsi/scsi_host.h> @@ -395,11 +396,15 @@ struct srb_iocb { struct completion comp; } abt; struct ct_arg ctarg; +#define MAX_IOCB_MB_REG 28 +#define SIZEOF_IOCB_MB_REG (MAX_IOCB_MB_REG * sizeof(uint16_t)) struct { - __le16 in_mb[28]; /* fr fw */ - __le16 out_mb[28]; /* to fw */ + __le16 in_mb[MAX_IOCB_MB_REG]; /* from FW */ + __le16 out_mb[MAX_IOCB_MB_REG]; /* to FW */ void *out, *in; dma_addr_t out_dma, in_dma; + struct completion comp; + int rc; } mbx; struct { struct imm_ntfy_from_isp *ntfy; @@ -437,7 +442,7 @@ typedef struct srb { uint32_t handle; uint16_t flags; uint16_t type; - char *name; + const char *name; int iocbs; struct qla_qpair *qpair; u32 gen1; /* scratch */ @@ -2300,6 +2305,8 @@ typedef struct fc_port { struct ct_sns_desc ct_desc; enum discovery_state disc_state; enum login_state fw_login_state; + unsigned long plogi_nack_done_deadline; + u32 login_gen, last_login_gen; u32 rscn_gen, last_rscn_gen; u32 chip_reset; @@ -3106,6 +3113,16 @@ struct qla_chip_state_84xx { uint32_t gold_fw_version; }; +struct qla_dif_statistics { + uint64_t dif_input_bytes; + uint64_t dif_output_bytes; + uint64_t dif_input_requests; + uint64_t dif_output_requests; + uint32_t dif_guard_err; + uint32_t dif_ref_tag_err; + uint32_t dif_app_tag_err; +}; + struct qla_statistics { uint32_t total_isp_aborts; uint64_t input_bytes; @@ -3118,6 +3135,8 @@ struct qla_statistics { uint32_t stat_max_pend_cmds; uint32_t stat_max_qfull_cmds_alloc; uint32_t stat_max_qfull_cmds_dropped; + + struct qla_dif_statistics qla_dif_stats; }; struct bidi_statistics { @@ -3125,6 +3144,16 @@ struct bidi_statistics { unsigned long long transfer_bytes; }; +struct qla_tc_param { + struct scsi_qla_host *vha; + uint32_t blk_sz; + uint32_t bufflen; + struct scatterlist *sg; + struct scatterlist *prot_sg; + struct crc_context *ctx; + uint8_t *ctx_dsd_alloced; +}; + /* Multi queue support */ #define MBC_INITIALIZE_MULTIQ 0x1f #define QLA_QUE_PAGE 0X1000 @@ -3272,6 +3301,8 @@ struct qlt_hw_data { uint8_t tgt_node_name[WWN_SIZE]; struct dentry *dfs_tgt_sess; + struct dentry *dfs_tgt_port_database; + struct list_head q_full_list; uint32_t num_pend_cmds; uint32_t num_qfull_cmds_alloc; @@ -3281,6 +3312,7 @@ struct qlt_hw_data { spinlock_t sess_lock; int rspq_vector_cpuid; spinlock_t atio_lock ____cacheline_aligned; + struct btree_head32 host_map; }; #define MAX_QFULL_CMDS_ALLOC 8192 @@ -3290,6 +3322,10 @@ struct qlt_hw_data { #define LEAK_EXCHG_THRESH_HOLD_PERCENT 75 /* 75 percent */ +#define QLA_EARLY_LINKUP(_ha) \ + ((_ha->flags.n2n_ae || _ha->flags.lip_ae) && \ + _ha->flags.fw_started && !_ha->flags.fw_init_done) + /* * Qlogic host adapter specific data structure. */ @@ -3339,7 +3375,11 @@ struct qla_hw_data { uint32_t fawwpn_enabled:1; uint32_t exlogins_enabled:1; uint32_t exchoffld_enabled:1; - /* 35 bits */ + + uint32_t lip_ae:1; + uint32_t n2n_ae:1; + uint32_t fw_started:1; + uint32_t fw_init_done:1; } flags; /* This spinlock is used to protect "io transactions", you must @@ -3432,7 +3472,6 @@ struct qla_hw_data { #define P2P_LOOP 3 uint8_t interrupts_on; uint32_t isp_abort_cnt; - #define PCI_DEVICE_ID_QLOGIC_ISP2532 0x2532 #define PCI_DEVICE_ID_QLOGIC_ISP8432 0x8432 #define PCI_DEVICE_ID_QLOGIC_ISP8001 0x8001 @@ -3913,6 +3952,7 @@ typedef struct scsi_qla_host { struct list_head vp_fcports; /* list of fcports */ struct list_head work_list; spinlock_t work_lock; + struct work_struct iocb_work; /* Commonly used flags and state information. */ struct Scsi_Host *host; @@ -4076,6 +4116,7 @@ typedef struct scsi_qla_host { /* Count of active session/fcport */ int fcport_count; wait_queue_head_t fcport_waitQ; + wait_queue_head_t vref_waitq; } scsi_qla_host_t; struct qla27xx_image_status { @@ -4131,14 +4172,17 @@ struct qla2_sgx { mb(); \ if (__vha->flags.delete_progress) { \ atomic_dec(&__vha->vref_count); \ + wake_up(&__vha->vref_waitq); \ __bail = 1; \ } else { \ __bail = 0; \ } \ } while (0) -#define QLA_VHA_MARK_NOT_BUSY(__vha) \ +#define QLA_VHA_MARK_NOT_BUSY(__vha) do { \ atomic_dec(&__vha->vref_count); \ + wake_up(&__vha->vref_waitq); \ +} while (0) \ #define QLA_QPAIR_MARK_BUSY(__qpair, __bail) do { \ atomic_inc(&__qpair->ref_count); \ diff --git a/drivers/scsi/qla2xxx/qla_dfs.c b/drivers/scsi/qla2xxx/qla_dfs.c index b48cce6..989e17b 100644 --- a/drivers/scsi/qla2xxx/qla_dfs.c +++ b/drivers/scsi/qla2xxx/qla_dfs.c @@ -19,11 +19,11 @@ qla2x00_dfs_tgt_sess_show(struct seq_file *s, void *unused) struct qla_hw_data *ha = vha->hw; unsigned long flags; struct fc_port *sess = NULL; - struct qla_tgt *tgt= vha->vha_tgt.qla_tgt; + struct qla_tgt *tgt = vha->vha_tgt.qla_tgt; - seq_printf(s, "%s\n",vha->host_str); + seq_printf(s, "%s\n", vha->host_str); if (tgt) { - seq_printf(s, "Port ID Port Name Handle\n"); + seq_puts(s, "Port ID Port Name Handle\n"); spin_lock_irqsave(&ha->tgt.sess_lock, flags); list_for_each_entry(sess, &vha->vp_fcports, list) @@ -44,7 +44,6 @@ qla2x00_dfs_tgt_sess_open(struct inode *inode, struct file *file) return single_open(file, qla2x00_dfs_tgt_sess_show, vha); } - static const struct file_operations dfs_tgt_sess_ops = { .open = qla2x00_dfs_tgt_sess_open, .read = seq_read, @@ -53,6 +52,78 @@ static const struct file_operations dfs_tgt_sess_ops = { }; static int +qla2x00_dfs_tgt_port_database_show(struct seq_file *s, void *unused) +{ + scsi_qla_host_t *vha = s->private; + struct qla_hw_data *ha = vha->hw; + struct gid_list_info *gid_list; + dma_addr_t gid_list_dma; + fc_port_t fc_port; + char *id_iter; + int rc, i; + uint16_t entries, loop_id; + struct qla_tgt *tgt = vha->vha_tgt.qla_tgt; + + seq_printf(s, "%s\n", vha->host_str); + if (tgt) { + gid_list = dma_alloc_coherent(&ha->pdev->dev, + qla2x00_gid_list_size(ha), + &gid_list_dma, GFP_KERNEL); + if (!gid_list) { + ql_dbg(ql_dbg_user, vha, 0x705c, + "DMA allocation failed for %u\n", + qla2x00_gid_list_size(ha)); + return 0; + } + + rc = qla24xx_gidlist_wait(vha, gid_list, gid_list_dma, + &entries); + if (rc != QLA_SUCCESS) + goto out_free_id_list; + + id_iter = (char *)gid_list; + + seq_puts(s, "Port Name Port ID Loop ID\n"); + + for (i = 0; i < entries; i++) { + struct gid_list_info *gid = + (struct gid_list_info *)id_iter; + loop_id = le16_to_cpu(gid->loop_id); + memset(&fc_port, 0, sizeof(fc_port_t)); + + fc_port.loop_id = loop_id; + + rc = qla24xx_gpdb_wait(vha, &fc_port, 0); + seq_printf(s, "%8phC %02x%02x%02x %d\n", + fc_port.port_name, fc_port.d_id.b.domain, + fc_port.d_id.b.area, fc_port.d_id.b.al_pa, + fc_port.loop_id); + id_iter += ha->gid_list_info_size; + } +out_free_id_list: + dma_free_coherent(&ha->pdev->dev, qla2x00_gid_list_size(ha), + gid_list, gid_list_dma); + } + + return 0; +} + +static int +qla2x00_dfs_tgt_port_database_open(struct inode *inode, struct file *file) +{ + scsi_qla_host_t *vha = inode->i_private; + + return single_open(file, qla2x00_dfs_tgt_port_database_show, vha); +} + +static const struct file_operations dfs_tgt_port_database_ops = { + .open = qla2x00_dfs_tgt_port_database_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; + +static int qla_dfs_fw_resource_cnt_show(struct seq_file *s, void *unused) { struct scsi_qla_host *vha = s->private; @@ -114,6 +185,21 @@ qla_dfs_tgt_counters_show(struct seq_file *s, void *unused) seq_printf(s, "num Q full sent = %lld\n", vha->tgt_counters.num_q_full_sent); + /* DIF stats */ + seq_printf(s, "DIF Inp Bytes = %lld\n", + vha->qla_stats.qla_dif_stats.dif_input_bytes); + seq_printf(s, "DIF Outp Bytes = %lld\n", + vha->qla_stats.qla_dif_stats.dif_output_bytes); + seq_printf(s, "DIF Inp Req = %lld\n", + vha->qla_stats.qla_dif_stats.dif_input_requests); + seq_printf(s, "DIF Outp Req = %lld\n", + vha->qla_stats.qla_dif_stats.dif_output_requests); + seq_printf(s, "DIF Guard err = %d\n", + vha->qla_stats.qla_dif_stats.dif_guard_err); + seq_printf(s, "DIF Ref tag err = %d\n", + vha->qla_stats.qla_dif_stats.dif_ref_tag_err); + seq_printf(s, "DIF App tag err = %d\n", + vha->qla_stats.qla_dif_stats.dif_app_tag_err); return 0; } @@ -281,6 +367,14 @@ create_nodes: goto out; } + ha->tgt.dfs_tgt_port_database = debugfs_create_file("tgt_port_database", + S_IRUSR, ha->dfs_dir, vha, &dfs_tgt_port_database_ops); + if (!ha->tgt.dfs_tgt_port_database) { + ql_log(ql_log_warn, vha, 0xffff, + "Unable to create debugFS tgt_port_database node.\n"); + goto out; + } + ha->dfs_fce = debugfs_create_file("fce", S_IRUSR, ha->dfs_dir, vha, &dfs_fce_ops); if (!ha->dfs_fce) { @@ -311,6 +405,11 @@ qla2x00_dfs_remove(scsi_qla_host_t *vha) ha->tgt.dfs_tgt_sess = NULL; } + if (ha->tgt.dfs_tgt_port_database) { + debugfs_remove(ha->tgt.dfs_tgt_port_database); + ha->tgt.dfs_tgt_port_database = NULL; + } + if (ha->dfs_fw_resource_cnt) { debugfs_remove(ha->dfs_fw_resource_cnt); ha->dfs_fw_resource_cnt = NULL; diff --git a/drivers/scsi/qla2xxx/qla_gbl.h b/drivers/scsi/qla2xxx/qla_gbl.h index b3d6441..5b24517 100644 --- a/drivers/scsi/qla2xxx/qla_gbl.h +++ b/drivers/scsi/qla2xxx/qla_gbl.h @@ -193,6 +193,7 @@ extern int qla24xx_post_upd_fcport_work(struct scsi_qla_host *, fc_port_t *); void qla2x00_handle_login_done_event(struct scsi_qla_host *, fc_port_t *, uint16_t *); int qla24xx_post_gnl_work(struct scsi_qla_host *, fc_port_t *); +int qla24xx_async_abort_cmd(srb_t *); /* * Global Functions in qla_mid.c source file. @@ -256,11 +257,11 @@ extern unsigned long qla2x00_get_async_timeout(struct scsi_qla_host *); extern void *qla2x00_alloc_iocbs(scsi_qla_host_t *, srb_t *); extern int qla2x00_issue_marker(scsi_qla_host_t *, int); extern int qla24xx_walk_and_build_sglist_no_difb(struct qla_hw_data *, srb_t *, - uint32_t *, uint16_t, struct qla_tgt_cmd *); + uint32_t *, uint16_t, struct qla_tc_param *); extern int qla24xx_walk_and_build_sglist(struct qla_hw_data *, srb_t *, - uint32_t *, uint16_t, struct qla_tgt_cmd *); + uint32_t *, uint16_t, struct qla_tc_param *); extern int qla24xx_walk_and_build_prot_sglist(struct qla_hw_data *, srb_t *, - uint32_t *, uint16_t, struct qla_tgt_cmd *); + uint32_t *, uint16_t, struct qla_tc_param *); extern int qla24xx_get_one_block_sg(uint32_t, struct qla2_sgx *, uint32_t *); extern int qla24xx_configure_prot_mode(srb_t *, uint16_t *); extern int qla24xx_build_scsi_crc_2_iocbs(srb_t *, @@ -368,7 +369,7 @@ qla2x00_get_link_status(scsi_qla_host_t *, uint16_t, struct link_statistics *, extern int qla24xx_get_isp_stats(scsi_qla_host_t *, struct link_statistics *, - dma_addr_t, uint); + dma_addr_t, uint16_t); extern int qla24xx_abort_command(srb_t *); extern int qla24xx_async_abort_command(srb_t *); @@ -472,6 +473,13 @@ qla2x00_dump_mctp_data(scsi_qla_host_t *, dma_addr_t, uint32_t, uint32_t); extern int qla26xx_dport_diagnostics(scsi_qla_host_t *, void *, uint, uint); +int qla24xx_send_mb_cmd(struct scsi_qla_host *, mbx_cmd_t *); +int qla24xx_gpdb_wait(struct scsi_qla_host *, fc_port_t *, u8); +int qla24xx_gidlist_wait(struct scsi_qla_host *, void *, dma_addr_t, + uint16_t *); +int __qla24xx_parse_gpdb(struct scsi_qla_host *, fc_port_t *, + struct port_database_24xx *); + /* * Global Function Prototypes in qla_isr.c source file. */ @@ -846,5 +854,7 @@ extern struct fc_port *qlt_find_sess_invalidate_other(scsi_qla_host_t *, uint64_t wwn, port_id_t port_id, uint16_t loop_id, struct fc_port **); void qla24xx_delete_sess_fn(struct work_struct *); void qlt_unknown_atio_work_fn(struct work_struct *); +void qlt_update_host_map(struct scsi_qla_host *, port_id_t); +void qlt_remove_target_resources(struct qla_hw_data *); #endif /* _QLA_GBL_H */ diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c index 32fb900..f9d2fe7 100644 --- a/drivers/scsi/qla2xxx/qla_init.c +++ b/drivers/scsi/qla2xxx/qla_init.c @@ -629,7 +629,6 @@ void qla24xx_async_gpdb_sp_done(void *s, int res) struct srb *sp = s; struct scsi_qla_host *vha = sp->vha; struct qla_hw_data *ha = vha->hw; - uint64_t zero = 0; struct port_database_24xx *pd; fc_port_t *fcport = sp->fcport; u16 *mb = sp->u.iocb_cmd.u.mbx.in_mb; @@ -649,48 +648,7 @@ void qla24xx_async_gpdb_sp_done(void *s, int res) pd = (struct port_database_24xx *)sp->u.iocb_cmd.u.mbx.in; - /* Check for logged in state. */ - if (pd->current_login_state != PDS_PRLI_COMPLETE && - pd->last_login_state != PDS_PRLI_COMPLETE) { - ql_dbg(ql_dbg_mbx, vha, 0xffff, - "Unable to verify login-state (%x/%x) for " - "loop_id %x.\n", pd->current_login_state, - pd->last_login_state, fcport->loop_id); - rval = QLA_FUNCTION_FAILED; - goto gpd_error_out; - } - - if (fcport->loop_id == FC_NO_LOOP_ID || - (memcmp(fcport->port_name, (uint8_t *)&zero, 8) && - memcmp(fcport->port_name, pd->port_name, 8))) { - /* We lost the device mid way. */ - rval = QLA_NOT_LOGGED_IN; - goto gpd_error_out; - } - - /* Names are little-endian. */ - memcpy(fcport->node_name, pd->node_name, WWN_SIZE); - - /* Get port_id of device. */ - fcport->d_id.b.domain = pd->port_id[0]; - fcport->d_id.b.area = pd->port_id[1]; - fcport->d_id.b.al_pa = pd->port_id[2]; - fcport->d_id.b.rsvd_1 = 0; - - /* If not target must be initiator or unknown type. */ - if ((pd->prli_svc_param_word_3[0] & BIT_4) == 0) - fcport->port_type = FCT_INITIATOR; - else - fcport->port_type = FCT_TARGET; - - /* Passback COS information. */ - fcport->supported_classes = (pd->flags & PDF_CLASS_2) ? - FC_COS_CLASS2 : FC_COS_CLASS3; - - if (pd->prli_svc_param_word_3[0] & BIT_7) { - fcport->flags |= FCF_CONF_COMP_SUPPORTED; - fcport->conf_compl_supported = 1; - } + rval = __qla24xx_parse_gpdb(vha, fcport, pd); gpd_error_out: memset(&ea, 0, sizeof(ea)); @@ -876,10 +834,14 @@ int qla24xx_fcport_handle_login(struct scsi_qla_host *vha, fc_port_t *fcport) fcport->login_retry--; if ((fcport->fw_login_state == DSC_LS_PLOGI_PEND) || - (fcport->fw_login_state == DSC_LS_PLOGI_COMP) || (fcport->fw_login_state == DSC_LS_PRLI_PEND)) return 0; + if (fcport->fw_login_state == DSC_LS_PLOGI_COMP) { + if (time_before_eq(jiffies, fcport->plogi_nack_done_deadline)) + return 0; + } + /* for pure Target Mode. Login will not be initiated */ if (vha->host->active_mode == MODE_TARGET) return 0; @@ -1041,10 +1003,14 @@ void qla24xx_handle_relogin_event(scsi_qla_host_t *vha, fcport->flags); if ((fcport->fw_login_state == DSC_LS_PLOGI_PEND) || - (fcport->fw_login_state == DSC_LS_PLOGI_COMP) || (fcport->fw_login_state == DSC_LS_PRLI_PEND)) return; + if (fcport->fw_login_state == DSC_LS_PLOGI_COMP) { + if (time_before_eq(jiffies, fcport->plogi_nack_done_deadline)) + return; + } + if (fcport->flags & FCF_ASYNC_SENT) { fcport->login_retry++; set_bit(RELOGIN_NEEDED, &vha->dpc_flags); @@ -1258,7 +1224,7 @@ qla24xx_abort_sp_done(void *ptr, int res) complete(&abt->u.abt.comp); } -static int +int qla24xx_async_abort_cmd(srb_t *cmd_sp) { scsi_qla_host_t *vha = cmd_sp->vha; @@ -3212,6 +3178,7 @@ next_check: } else { ql_dbg(ql_dbg_init, vha, 0x00d3, "Init Firmware -- success.\n"); + ha->flags.fw_started = 1; } return (rval); @@ -3374,8 +3341,8 @@ qla2x00_configure_hba(scsi_qla_host_t *vha) uint8_t domain; char connect_type[22]; struct qla_hw_data *ha = vha->hw; - unsigned long flags; scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev); + port_id_t id; /* Get host addresses. */ rval = qla2x00_get_adapter_id(vha, @@ -3453,13 +3420,11 @@ qla2x00_configure_hba(scsi_qla_host_t *vha) /* Save Host port and loop ID. */ /* byte order - Big Endian */ - vha->d_id.b.domain = domain; - vha->d_id.b.area = area; - vha->d_id.b.al_pa = al_pa; - - spin_lock_irqsave(&ha->vport_slock, flags); - qlt_update_vp_map(vha, SET_AL_PA); - spin_unlock_irqrestore(&ha->vport_slock, flags); + id.b.domain = domain; + id.b.area = area; + id.b.al_pa = al_pa; + id.b.rsvd_1 = 0; + qlt_update_host_map(vha, id); if (!vha->flags.init_done) ql_log(ql_log_info, vha, 0x2010, @@ -4036,6 +4001,7 @@ qla2x00_configure_loop(scsi_qla_host_t *vha) atomic_set(&vha->loop_state, LOOP_READY); ql_dbg(ql_dbg_disc, vha, 0x2069, "LOOP READY.\n"); + ha->flags.fw_init_done = 1; /* * Process any ATIO queue entries that came in @@ -5148,6 +5114,7 @@ qla2x00_update_fcports(scsi_qla_host_t *base_vha) } } atomic_dec(&vha->vref_count); + wake_up(&vha->vref_waitq); } spin_unlock_irqrestore(&ha->vport_slock, flags); } @@ -5526,6 +5493,11 @@ qla2x00_abort_isp_cleanup(scsi_qla_host_t *vha) if (!(IS_P3P_TYPE(ha))) ha->isp_ops->reset_chip(vha); + ha->flags.n2n_ae = 0; + ha->flags.lip_ae = 0; + ha->current_topology = 0; + ha->flags.fw_started = 0; + ha->flags.fw_init_done = 0; ha->chip_reset++; atomic_set(&vha->loop_down_timer, LOOP_DOWN_TIME); @@ -6802,6 +6774,8 @@ qla2x00_try_to_stop_firmware(scsi_qla_host_t *vha) return; if (!ha->fw_major_version) return; + if (!ha->flags.fw_started) + return; ret = qla2x00_stop_firmware(vha); for (retries = 5; ret != QLA_SUCCESS && ret != QLA_FUNCTION_TIMEOUT && @@ -6815,6 +6789,9 @@ qla2x00_try_to_stop_firmware(scsi_qla_host_t *vha) "Attempting retry of stop-firmware command.\n"); ret = qla2x00_stop_firmware(vha); } + + ha->flags.fw_started = 0; + ha->flags.fw_init_done = 0; } int diff --git a/drivers/scsi/qla2xxx/qla_iocb.c b/drivers/scsi/qla2xxx/qla_iocb.c index 5350792..ea027f6 100644 --- a/drivers/scsi/qla2xxx/qla_iocb.c +++ b/drivers/scsi/qla2xxx/qla_iocb.c @@ -889,7 +889,7 @@ qla24xx_get_one_block_sg(uint32_t blk_sz, struct qla2_sgx *sgx, int qla24xx_walk_and_build_sglist_no_difb(struct qla_hw_data *ha, srb_t *sp, - uint32_t *dsd, uint16_t tot_dsds, struct qla_tgt_cmd *tc) + uint32_t *dsd, uint16_t tot_dsds, struct qla_tc_param *tc) { void *next_dsd; uint8_t avail_dsds = 0; @@ -898,7 +898,6 @@ qla24xx_walk_and_build_sglist_no_difb(struct qla_hw_data *ha, srb_t *sp, struct scatterlist *sg_prot; uint32_t *cur_dsd = dsd; uint16_t used_dsds = tot_dsds; - uint32_t prot_int; /* protection interval */ uint32_t partial; struct qla2_sgx sgx; @@ -966,7 +965,7 @@ alloc_and_fill: } else { list_add_tail(&dsd_ptr->list, &(tc->ctx->dsd_list)); - tc->ctx_dsd_alloced = 1; + *tc->ctx_dsd_alloced = 1; } @@ -1005,7 +1004,7 @@ alloc_and_fill: int qla24xx_walk_and_build_sglist(struct qla_hw_data *ha, srb_t *sp, uint32_t *dsd, - uint16_t tot_dsds, struct qla_tgt_cmd *tc) + uint16_t tot_dsds, struct qla_tc_param *tc) { void *next_dsd; uint8_t avail_dsds = 0; @@ -1066,7 +1065,7 @@ qla24xx_walk_and_build_sglist(struct qla_hw_data *ha, srb_t *sp, uint32_t *dsd, } else { list_add_tail(&dsd_ptr->list, &(tc->ctx->dsd_list)); - tc->ctx_dsd_alloced = 1; + *tc->ctx_dsd_alloced = 1; } /* add new list to cmd iocb or last list */ @@ -1092,7 +1091,7 @@ qla24xx_walk_and_build_sglist(struct qla_hw_data *ha, srb_t *sp, uint32_t *dsd, int qla24xx_walk_and_build_prot_sglist(struct qla_hw_data *ha, srb_t *sp, - uint32_t *dsd, uint16_t tot_dsds, struct qla_tgt_cmd *tc) + uint32_t *dsd, uint16_t tot_dsds, struct qla_tc_param *tc) { void *next_dsd; uint8_t avail_dsds = 0; @@ -1158,7 +1157,7 @@ qla24xx_walk_and_build_prot_sglist(struct qla_hw_data *ha, srb_t *sp, } else { list_add_tail(&dsd_ptr->list, &(tc->ctx->dsd_list)); - tc->ctx_dsd_alloced = 1; + *tc->ctx_dsd_alloced = 1; } /* add new list to cmd iocb or last list */ diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c index 3c66ea2..3203367 100644 --- a/drivers/scsi/qla2xxx/qla_isr.c +++ b/drivers/scsi/qla2xxx/qla_isr.c @@ -708,6 +708,8 @@ skip_rio: "mbx7=%xh.\n", mb[1], mb[2], mb[3], mbx); ha->isp_ops->fw_dump(vha, 1); + ha->flags.fw_init_done = 0; + ha->flags.fw_started = 0; if (IS_FWI2_CAPABLE(ha)) { if (mb[1] == 0 && mb[2] == 0) { @@ -761,6 +763,9 @@ skip_rio: break; case MBA_LIP_OCCURRED: /* Loop Initialization Procedure */ + ha->flags.lip_ae = 1; + ha->flags.n2n_ae = 0; + ql_dbg(ql_dbg_async, vha, 0x5009, "LIP occurred (%x).\n", mb[1]); @@ -797,6 +802,10 @@ skip_rio: break; case MBA_LOOP_DOWN: /* Loop Down Event */ + ha->flags.n2n_ae = 0; + ha->flags.lip_ae = 0; + ha->current_topology = 0; + mbx = (IS_QLA81XX(ha) || IS_QLA8031(ha)) ? RD_REG_WORD(®24->mailbox4) : 0; mbx = (IS_P3P_TYPE(ha)) ? RD_REG_WORD(®82->mailbox_out[4]) @@ -866,6 +875,9 @@ skip_rio: /* case MBA_DCBX_COMPLETE: */ case MBA_POINT_TO_POINT: /* Point-to-Point */ + ha->flags.lip_ae = 0; + ha->flags.n2n_ae = 1; + if (IS_QLA2100(ha)) break; @@ -1620,9 +1632,9 @@ qla24xx_logio_entry(scsi_qla_host_t *vha, struct req_que *req, QLA_LOGIO_LOGIN_RETRIED : 0; if (logio->entry_status) { ql_log(ql_log_warn, fcport->vha, 0x5034, - "Async-%s error entry - hdl=%x" + "Async-%s error entry - %8phC hdl=%x" "portid=%02x%02x%02x entry-status=%x.\n", - type, sp->handle, fcport->d_id.b.domain, + type, fcport->port_name, sp->handle, fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa, logio->entry_status); ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x504d, @@ -1633,8 +1645,9 @@ qla24xx_logio_entry(scsi_qla_host_t *vha, struct req_que *req, if (le16_to_cpu(logio->comp_status) == CS_COMPLETE) { ql_dbg(ql_dbg_async, fcport->vha, 0x5036, - "Async-%s complete - hdl=%x portid=%02x%02x%02x " - "iop0=%x.\n", type, sp->handle, fcport->d_id.b.domain, + "Async-%s complete - %8phC hdl=%x portid=%02x%02x%02x " + "iop0=%x.\n", type, fcport->port_name, sp->handle, + fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa, le32_to_cpu(logio->io_parameter[0])); @@ -1674,6 +1687,17 @@ qla24xx_logio_entry(scsi_qla_host_t *vha, struct req_que *req, case LSC_SCODE_NPORT_USED: data[0] = MBS_LOOP_ID_USED; break; + case LSC_SCODE_CMD_FAILED: + if (iop[1] == 0x0606) { + /* + * PLOGI/PRLI Completed. We must have Recv PLOGI/PRLI, + * Target side acked. + */ + data[0] = MBS_COMMAND_COMPLETE; + goto logio_done; + } + data[0] = MBS_COMMAND_ERROR; + break; case LSC_SCODE_NOXCB: vha->hw->exch_starvation++; if (vha->hw->exch_starvation > 5) { @@ -1695,8 +1719,9 @@ qla24xx_logio_entry(scsi_qla_host_t *vha, struct req_que *req, } ql_dbg(ql_dbg_async, fcport->vha, 0x5037, - "Async-%s failed - hdl=%x portid=%02x%02x%02x comp=%x " - "iop0=%x iop1=%x.\n", type, sp->handle, fcport->d_id.b.domain, + "Async-%s failed - %8phC hdl=%x portid=%02x%02x%02x comp=%x " + "iop0=%x iop1=%x.\n", type, fcport->port_name, + sp->handle, fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa, le16_to_cpu(logio->comp_status), le32_to_cpu(logio->io_parameter[0]), @@ -2679,7 +2704,7 @@ qla24xx_abort_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, return; abt = &sp->u.iocb_cmd; - abt->u.abt.comp_status = le32_to_cpu(pkt->nport_handle); + abt->u.abt.comp_status = le16_to_cpu(pkt->nport_handle); sp->done(sp, 0); } @@ -2693,7 +2718,7 @@ void qla24xx_process_response_queue(struct scsi_qla_host *vha, struct sts_entry_24xx *pkt; struct qla_hw_data *ha = vha->hw; - if (!vha->flags.online) + if (!ha->flags.fw_started) return; while (rsp->ring_ptr->signature != RESPONSE_PROCESSED) { diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c index 35079f4..a113ab3 100644 --- a/drivers/scsi/qla2xxx/qla_mbx.c +++ b/drivers/scsi/qla2xxx/qla_mbx.c @@ -10,6 +10,28 @@ #include <linux/delay.h> #include <linux/gfp.h> +static struct mb_cmd_name { + uint16_t cmd; + const char *str; +} mb_str[] = { + {MBC_GET_PORT_DATABASE, "GPDB"}, + {MBC_GET_ID_LIST, "GIDList"}, + {MBC_GET_LINK_PRIV_STATS, "Stats"}, +}; + +static const char *mb_to_str(uint16_t cmd) +{ + int i; + struct mb_cmd_name *e; + + for (i = 0; i < ARRAY_SIZE(mb_str); i++) { + e = mb_str + i; + if (cmd == e->cmd) + return e->str; + } + return "unknown"; +} + static struct rom_cmd { uint16_t cmd; } rom_cmds[] = { @@ -2818,7 +2840,7 @@ qla2x00_get_link_status(scsi_qla_host_t *vha, uint16_t loop_id, int qla24xx_get_isp_stats(scsi_qla_host_t *vha, struct link_statistics *stats, - dma_addr_t stats_dma, uint options) + dma_addr_t stats_dma, uint16_t options) { int rval; mbx_cmd_t mc; @@ -2828,19 +2850,17 @@ qla24xx_get_isp_stats(scsi_qla_host_t *vha, struct link_statistics *stats, ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x1088, "Entered %s.\n", __func__); - mcp->mb[0] = MBC_GET_LINK_PRIV_STATS; - mcp->mb[2] = MSW(stats_dma); - mcp->mb[3] = LSW(stats_dma); - mcp->mb[6] = MSW(MSD(stats_dma)); - mcp->mb[7] = LSW(MSD(stats_dma)); - mcp->mb[8] = sizeof(struct link_statistics) / 4; - mcp->mb[9] = vha->vp_idx; - mcp->mb[10] = options; - mcp->out_mb = MBX_10|MBX_9|MBX_8|MBX_7|MBX_6|MBX_3|MBX_2|MBX_0; - mcp->in_mb = MBX_2|MBX_1|MBX_0; - mcp->tov = MBX_TOV_SECONDS; - mcp->flags = IOCTL_CMD; - rval = qla2x00_mailbox_command(vha, mcp); + memset(&mc, 0, sizeof(mc)); + mc.mb[0] = MBC_GET_LINK_PRIV_STATS; + mc.mb[2] = MSW(stats_dma); + mc.mb[3] = LSW(stats_dma); + mc.mb[6] = MSW(MSD(stats_dma)); + mc.mb[7] = LSW(MSD(stats_dma)); + mc.mb[8] = sizeof(struct link_statistics) / 4; + mc.mb[9] = cpu_to_le16(vha->vp_idx); + mc.mb[10] = cpu_to_le16(options); + + rval = qla24xx_send_mb_cmd(vha, &mc); if (rval == QLA_SUCCESS) { if (mcp->mb[0] != MBS_COMMAND_COMPLETE) { @@ -3603,6 +3623,7 @@ qla24xx_report_id_acquisition(scsi_qla_host_t *vha, scsi_qla_host_t *vp = NULL; unsigned long flags; int found; + port_id_t id; ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10b6, "Entered %s.\n", __func__); @@ -3610,28 +3631,27 @@ qla24xx_report_id_acquisition(scsi_qla_host_t *vha, if (rptid_entry->entry_status != 0) return; + id.b.domain = rptid_entry->port_id[2]; + id.b.area = rptid_entry->port_id[1]; + id.b.al_pa = rptid_entry->port_id[0]; + id.b.rsvd_1 = 0; + if (rptid_entry->format == 0) { /* loop */ - ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10b7, + ql_dbg(ql_dbg_async, vha, 0x10b7, "Format 0 : Number of VPs setup %d, number of " "VPs acquired %d.\n", rptid_entry->vp_setup, rptid_entry->vp_acquired); - ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10b8, + ql_dbg(ql_dbg_async, vha, 0x10b8, "Primary port id %02x%02x%02x.\n", rptid_entry->port_id[2], rptid_entry->port_id[1], rptid_entry->port_id[0]); - vha->d_id.b.domain = rptid_entry->port_id[2]; - vha->d_id.b.area = rptid_entry->port_id[1]; - vha->d_id.b.al_pa = rptid_entry->port_id[0]; - - spin_lock_irqsave(&ha->vport_slock, flags); - qlt_update_vp_map(vha, SET_AL_PA); - spin_unlock_irqrestore(&ha->vport_slock, flags); + qlt_update_host_map(vha, id); } else if (rptid_entry->format == 1) { /* fabric */ - ql_dbg(ql_dbg_mbx + ql_dbg_verbose, vha, 0x10b9, + ql_dbg(ql_dbg_async, vha, 0x10b9, "Format 1: VP[%d] enabled - status %d - with " "port id %02x%02x%02x.\n", rptid_entry->vp_idx, rptid_entry->vp_status, @@ -3653,12 +3673,7 @@ qla24xx_report_id_acquisition(scsi_qla_host_t *vha, WWN_SIZE); } - vha->d_id.b.domain = rptid_entry->port_id[2]; - vha->d_id.b.area = rptid_entry->port_id[1]; - vha->d_id.b.al_pa = rptid_entry->port_id[0]; - spin_lock_irqsave(&ha->vport_slock, flags); - qlt_update_vp_map(vha, SET_AL_PA); - spin_unlock_irqrestore(&ha->vport_slock, flags); + qlt_update_host_map(vha, id); } fc_host_port_name(vha->host) = @@ -3694,12 +3709,7 @@ qla24xx_report_id_acquisition(scsi_qla_host_t *vha, if (!found) return; - vp->d_id.b.domain = rptid_entry->port_id[2]; - vp->d_id.b.area = rptid_entry->port_id[1]; - vp->d_id.b.al_pa = rptid_entry->port_id[0]; - spin_lock_irqsave(&ha->vport_slock, flags); - qlt_update_vp_map(vp, SET_AL_PA); - spin_unlock_irqrestore(&ha->vport_slock, flags); + qlt_update_host_map(vp, id); /* * Cannot configure here as we are still sitting on the @@ -5827,3 +5837,225 @@ qla26xx_dport_diagnostics(scsi_qla_host_t *vha, return rval; } + +static void qla2x00_async_mb_sp_done(void *s, int res) +{ + struct srb *sp = s; + + sp->u.iocb_cmd.u.mbx.rc = res; + + complete(&sp->u.iocb_cmd.u.mbx.comp); + /* don't free sp here. Let the caller do the free */ +} + +/* + * This mailbox uses the iocb interface to send MB command. + * This allows non-critial (non chip setup) command to go + * out in parrallel. + */ +int qla24xx_send_mb_cmd(struct scsi_qla_host *vha, mbx_cmd_t *mcp) +{ + int rval = QLA_FUNCTION_FAILED; + srb_t *sp; + struct srb_iocb *c; + + if (!vha->hw->flags.fw_started) + goto done; + + sp = qla2x00_get_sp(vha, NULL, GFP_KERNEL); + if (!sp) + goto done; + + sp->type = SRB_MB_IOCB; + sp->name = mb_to_str(mcp->mb[0]); + + qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2); + + memcpy(sp->u.iocb_cmd.u.mbx.out_mb, mcp->mb, SIZEOF_IOCB_MB_REG); + + c = &sp->u.iocb_cmd; + c->timeout = qla2x00_async_iocb_timeout; + init_completion(&c->u.mbx.comp); + + sp->done = qla2x00_async_mb_sp_done; + + rval = qla2x00_start_sp(sp); + if (rval != QLA_SUCCESS) { + ql_dbg(ql_dbg_mbx, vha, 0xffff, + "%s: %s Failed submission. %x.\n", + __func__, sp->name, rval); + goto done_free_sp; + } + + ql_dbg(ql_dbg_mbx, vha, 0xffff, "MB:%s hndl %x submitted\n", + sp->name, sp->handle); + + wait_for_completion(&c->u.mbx.comp); + memcpy(mcp->mb, sp->u.iocb_cmd.u.mbx.in_mb, SIZEOF_IOCB_MB_REG); + + rval = c->u.mbx.rc; + switch (rval) { + case QLA_FUNCTION_TIMEOUT: + ql_dbg(ql_dbg_mbx, vha, 0xffff, "%s: %s Timeout. %x.\n", + __func__, sp->name, rval); + break; + case QLA_SUCCESS: + ql_dbg(ql_dbg_mbx, vha, 0xffff, "%s: %s done.\n", + __func__, sp->name); + sp->free(sp); + break; + default: + ql_dbg(ql_dbg_mbx, vha, 0xffff, "%s: %s Failed. %x.\n", + __func__, sp->name, rval); + sp->free(sp); + break; + } + + return rval; + +done_free_sp: + sp->free(sp); +done: + return rval; +} + +/* + * qla24xx_gpdb_wait + * NOTE: Do not call this routine from DPC thread + */ +int qla24xx_gpdb_wait(struct scsi_qla_host *vha, fc_port_t *fcport, u8 opt) +{ + int rval = QLA_FUNCTION_FAILED; + dma_addr_t pd_dma; + struct port_database_24xx *pd; + struct qla_hw_data *ha = vha->hw; + mbx_cmd_t mc; + + if (!vha->hw->flags.fw_started) + goto done; + + pd = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &pd_dma); + if (pd == NULL) { + ql_log(ql_log_warn, vha, 0xffff, + "Failed to allocate port database structure.\n"); + goto done_free_sp; + } + memset(pd, 0, max(PORT_DATABASE_SIZE, PORT_DATABASE_24XX_SIZE)); + + memset(&mc, 0, sizeof(mc)); + mc.mb[0] = MBC_GET_PORT_DATABASE; + mc.mb[1] = cpu_to_le16(fcport->loop_id); + mc.mb[2] = MSW(pd_dma); + mc.mb[3] = LSW(pd_dma); + mc.mb[6] = MSW(MSD(pd_dma)); + mc.mb[7] = LSW(MSD(pd_dma)); + mc.mb[9] = cpu_to_le16(vha->vp_idx); + mc.mb[10] = cpu_to_le16((uint16_t)opt); + + rval = qla24xx_send_mb_cmd(vha, &mc); + if (rval != QLA_SUCCESS) { + ql_dbg(ql_dbg_mbx, vha, 0xffff, + "%s: %8phC fail\n", __func__, fcport->port_name); + goto done_free_sp; + } + + rval = __qla24xx_parse_gpdb(vha, fcport, pd); + + ql_dbg(ql_dbg_mbx, vha, 0xffff, "%s: %8phC done\n", + __func__, fcport->port_name); + +done_free_sp: + if (pd) + dma_pool_free(ha->s_dma_pool, pd, pd_dma); +done: + return rval; +} + +int __qla24xx_parse_gpdb(struct scsi_qla_host *vha, fc_port_t *fcport, + struct port_database_24xx *pd) +{ + int rval = QLA_SUCCESS; + uint64_t zero = 0; + + /* Check for logged in state. */ + if (pd->current_login_state != PDS_PRLI_COMPLETE && + pd->last_login_state != PDS_PRLI_COMPLETE) { + ql_dbg(ql_dbg_mbx, vha, 0xffff, + "Unable to verify login-state (%x/%x) for " + "loop_id %x.\n", pd->current_login_state, + pd->last_login_state, fcport->loop_id); + rval = QLA_FUNCTION_FAILED; + goto gpd_error_out; + } + + if (fcport->loop_id == FC_NO_LOOP_ID || + (memcmp(fcport->port_name, (uint8_t *)&zero, 8) && + memcmp(fcport->port_name, pd->port_name, 8))) { + /* We lost the device mid way. */ + rval = QLA_NOT_LOGGED_IN; + goto gpd_error_out; + } + + /* Names are little-endian. */ + memcpy(fcport->node_name, pd->node_name, WWN_SIZE); + memcpy(fcport->port_name, pd->port_name, WWN_SIZE); + + /* Get port_id of device. */ + fcport->d_id.b.domain = pd->port_id[0]; + fcport->d_id.b.area = pd->port_id[1]; + fcport->d_id.b.al_pa = pd->port_id[2]; + fcport->d_id.b.rsvd_1 = 0; + + /* If not target must be initiator or unknown type. */ + if ((pd->prli_svc_param_word_3[0] & BIT_4) == 0) + fcport->port_type = FCT_INITIATOR; + else + fcport->port_type = FCT_TARGET; + + /* Passback COS information. */ + fcport->supported_classes = (pd->flags & PDF_CLASS_2) ? + FC_COS_CLASS2 : FC_COS_CLASS3; + + if (pd->prli_svc_param_word_3[0] & BIT_7) { + fcport->flags |= FCF_CONF_COMP_SUPPORTED; + fcport->conf_compl_supported = 1; + } + +gpd_error_out: + return rval; +} + +/* + * qla24xx_gidlist__wait + * NOTE: don't call this routine from DPC thread. + */ +int qla24xx_gidlist_wait(struct scsi_qla_host *vha, + void *id_list, dma_addr_t id_list_dma, uint16_t *entries) +{ + int rval = QLA_FUNCTION_FAILED; + mbx_cmd_t mc; + + if (!vha->hw->flags.fw_started) + goto done; + + memset(&mc, 0, sizeof(mc)); + mc.mb[0] = MBC_GET_ID_LIST; + mc.mb[2] = MSW(id_list_dma); + mc.mb[3] = LSW(id_list_dma); + mc.mb[6] = MSW(MSD(id_list_dma)); + mc.mb[7] = LSW(MSD(id_list_dma)); + mc.mb[8] = 0; + mc.mb[9] = cpu_to_le16(vha->vp_idx); + + rval = qla24xx_send_mb_cmd(vha, &mc); + if (rval != QLA_SUCCESS) { + ql_dbg(ql_dbg_mbx, vha, 0xffff, + "%s: fail\n", __func__); + } else { + *entries = mc.mb[1]; + ql_dbg(ql_dbg_mbx, vha, 0xffff, + "%s: done\n", __func__); + } +done: + return rval; +} diff --git a/drivers/scsi/qla2xxx/qla_mid.c b/drivers/scsi/qla2xxx/qla_mid.c index c6d6f0d..09a490c 100644 --- a/drivers/scsi/qla2xxx/qla_mid.c +++ b/drivers/scsi/qla2xxx/qla_mid.c @@ -74,13 +74,14 @@ qla24xx_deallocate_vp_id(scsi_qla_host_t *vha) * ensures no active vp_list traversal while the vport is removed * from the queue) */ - spin_lock_irqsave(&ha->vport_slock, flags); - while (atomic_read(&vha->vref_count)) { - spin_unlock_irqrestore(&ha->vport_slock, flags); - - msleep(500); + wait_event_timeout(vha->vref_waitq, atomic_read(&vha->vref_count), + 10*HZ); - spin_lock_irqsave(&ha->vport_slock, flags); + spin_lock_irqsave(&ha->vport_slock, flags); + if (atomic_read(&vha->vref_count)) { + ql_dbg(ql_dbg_vport, vha, 0xfffa, + "vha->vref_count=%u timeout\n", vha->vref_count.counter); + vha->vref_count = (atomic_t)ATOMIC_INIT(0); } list_del(&vha->list); qlt_update_vp_map(vha, RESET_VP_IDX); @@ -269,6 +270,7 @@ qla2x00_alert_all_vps(struct rsp_que *rsp, uint16_t *mb) spin_lock_irqsave(&ha->vport_slock, flags); atomic_dec(&vha->vref_count); + wake_up(&vha->vref_waitq); } i++; } diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c index 1fed235..83d61d2 100644 --- a/drivers/scsi/qla2xxx/qla_os.c +++ b/drivers/scsi/qla2xxx/qla_os.c @@ -1160,8 +1160,13 @@ static inline uint32_t qla2x00_isp_reg_stat(struct qla_hw_data *ha) { struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; + struct device_reg_82xx __iomem *reg82 = &ha->iobase->isp82; - return ((RD_REG_DWORD(®->host_status)) == ISP_REG_DISCONNECT); + if (IS_P3P_TYPE(ha)) + return ((RD_REG_DWORD(®82->host_int)) == ISP_REG_DISCONNECT); + else + return ((RD_REG_DWORD(®->host_status)) == + ISP_REG_DISCONNECT); } /************************************************************************** @@ -1651,7 +1656,8 @@ qla2x00_abort_all_cmds(scsi_qla_host_t *vha, int res) /* Don't abort commands in adapter during EEH * recovery as it's not accessible/responding. */ - if (GET_CMD_SP(sp) && !ha->flags.eeh_busy) { + if (GET_CMD_SP(sp) && !ha->flags.eeh_busy && + (sp->type == SRB_SCSI_CMD)) { /* Get a reference to the sp and drop the lock. * The reference ensures this sp->done() call * - and not the call in qla2xxx_eh_abort() - @@ -2560,6 +2566,20 @@ qla2xxx_scan_finished(struct Scsi_Host *shost, unsigned long time) return atomic_read(&vha->loop_state) == LOOP_READY; } +static void qla2x00_iocb_work_fn(struct work_struct *work) +{ + struct scsi_qla_host *vha = container_of(work, + struct scsi_qla_host, iocb_work); + int cnt = 0; + + while (!list_empty(&vha->work_list)) { + qla2x00_do_work(vha); + cnt++; + if (cnt > 10) + break; + } +} + /* * PCI driver interface */ @@ -3078,6 +3098,7 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) */ qla2xxx_wake_dpc(base_vha); + INIT_WORK(&base_vha->iocb_work, qla2x00_iocb_work_fn); INIT_WORK(&ha->board_disable, qla2x00_disable_board_on_pci_error); if (IS_QLA8031(ha) || IS_MCTP_CAPABLE(ha)) { @@ -3469,6 +3490,7 @@ qla2x00_remove_one(struct pci_dev *pdev) qla2x00_free_sysfs_attr(base_vha, true); fc_remove_host(base_vha->host); + qlt_remove_target_resources(ha); scsi_remove_host(base_vha->host); @@ -4268,6 +4290,7 @@ struct scsi_qla_host *qla2x00_create_host(struct scsi_host_template *sht, spin_lock_init(&vha->work_lock); spin_lock_init(&vha->cmd_list_lock); init_waitqueue_head(&vha->fcport_waitQ); + init_waitqueue_head(&vha->vref_waitq); vha->gnl.size = sizeof(struct get_name_list_extended) * (ha->max_loop_id + 1); @@ -4319,7 +4342,11 @@ qla2x00_post_work(struct scsi_qla_host *vha, struct qla_work_evt *e) spin_lock_irqsave(&vha->work_lock, flags); list_add_tail(&e->list, &vha->work_list); spin_unlock_irqrestore(&vha->work_lock, flags); - qla2xxx_wake_dpc(vha); + + if (QLA_EARLY_LINKUP(vha->hw)) + schedule_work(&vha->iocb_work); + else + qla2xxx_wake_dpc(vha); return QLA_SUCCESS; } diff --git a/drivers/scsi/qla2xxx/qla_target.c b/drivers/scsi/qla2xxx/qla_target.c index 45f5077..0e03ca2 100644 --- a/drivers/scsi/qla2xxx/qla_target.c +++ b/drivers/scsi/qla2xxx/qla_target.c @@ -130,6 +130,9 @@ static void qlt_send_term_imm_notif(struct scsi_qla_host *vha, static struct fc_port *qlt_create_sess(struct scsi_qla_host *vha, fc_port_t *fcport, bool local); void qlt_unreg_sess(struct fc_port *sess); +static void qlt_24xx_handle_abts(struct scsi_qla_host *, + struct abts_recv_from_24xx *); + /* * Global Variables */ @@ -140,6 +143,20 @@ static struct workqueue_struct *qla_tgt_wq; static DEFINE_MUTEX(qla_tgt_mutex); static LIST_HEAD(qla_tgt_glist); +static const char *prot_op_str(u32 prot_op) +{ + switch (prot_op) { + case TARGET_PROT_NORMAL: return "NORMAL"; + case TARGET_PROT_DIN_INSERT: return "DIN_INSERT"; + case TARGET_PROT_DOUT_INSERT: return "DOUT_INSERT"; + case TARGET_PROT_DIN_STRIP: return "DIN_STRIP"; + case TARGET_PROT_DOUT_STRIP: return "DOUT_STRIP"; + case TARGET_PROT_DIN_PASS: return "DIN_PASS"; + case TARGET_PROT_DOUT_PASS: return "DOUT_PASS"; + default: return "UNKNOWN"; + } +} + /* This API intentionally takes dest as a parameter, rather than returning * int value to avoid caller forgetting to issue wmb() after the store */ void qlt_do_generation_tick(struct scsi_qla_host *vha, int *dest) @@ -170,21 +187,23 @@ static inline struct scsi_qla_host *qlt_find_host_by_d_id(struct scsi_qla_host *vha, uint8_t *d_id) { - struct qla_hw_data *ha = vha->hw; - uint8_t vp_idx; - - if ((vha->d_id.b.area != d_id[1]) || (vha->d_id.b.domain != d_id[0])) - return NULL; + struct scsi_qla_host *host; + uint32_t key = 0; - if (vha->d_id.b.al_pa == d_id[2]) + if ((vha->d_id.b.area == d_id[1]) && (vha->d_id.b.domain == d_id[0]) && + (vha->d_id.b.al_pa == d_id[2])) return vha; - BUG_ON(ha->tgt.tgt_vp_map == NULL); - vp_idx = ha->tgt.tgt_vp_map[d_id[2]].idx; - if (likely(test_bit(vp_idx, ha->vp_idx_map))) - return ha->tgt.tgt_vp_map[vp_idx].vha; + key = (uint32_t)d_id[0] << 16; + key |= (uint32_t)d_id[1] << 8; + key |= (uint32_t)d_id[2]; - return NULL; + host = btree_lookup32(&vha->hw->tgt.host_map, key); + if (!host) + ql_dbg(ql_dbg_tgt_mgt, vha, 0xffff, + "Unable to find host %06x\n", key); + + return host; } static inline @@ -389,6 +408,8 @@ static bool qlt_24xx_atio_pkt_all_vps(struct scsi_qla_host *vha, (struct abts_recv_from_24xx *)atio; struct scsi_qla_host *host = qlt_find_host_by_vp_idx(vha, entry->vp_index); + unsigned long flags; + if (unlikely(!host)) { ql_dbg(ql_dbg_tgt, vha, 0xffff, "qla_target(%d): Response pkt (ABTS_RECV_24XX) " @@ -396,9 +417,12 @@ static bool qlt_24xx_atio_pkt_all_vps(struct scsi_qla_host *vha, vha->vp_idx, entry->vp_index); break; } - qlt_response_pkt(host, (response_t *)atio); + if (!ha_locked) + spin_lock_irqsave(&host->hw->hardware_lock, flags); + qlt_24xx_handle_abts(host, (struct abts_recv_from_24xx *)atio); + if (!ha_locked) + spin_unlock_irqrestore(&host->hw->hardware_lock, flags); break; - } /* case PUREX_IOCB_TYPE: ql2xmvasynctoatio */ @@ -554,6 +578,7 @@ void qla2x00_async_nack_sp_done(void *s, int res) sp->fcport->login_gen++; sp->fcport->fw_login_state = DSC_LS_PLOGI_COMP; sp->fcport->logout_on_delete = 1; + sp->fcport->plogi_nack_done_deadline = jiffies + HZ; break; case SRB_NACK_PRLI: @@ -613,6 +638,7 @@ int qla24xx_async_notify_ack(scsi_qla_host_t *vha, fc_port_t *fcport, break; case SRB_NACK_PRLI: fcport->fw_login_state = DSC_LS_PRLI_PEND; + fcport->deleted = 0; c = "PRLI"; break; case SRB_NACK_LOGO: @@ -1215,7 +1241,7 @@ static int qla24xx_get_loop_id(struct scsi_qla_host *vha, const uint8_t *s_id, } /* Get list of logged in devices */ - rc = qla2x00_get_id_list(vha, gid_list, gid_list_dma, &entries); + rc = qla24xx_gidlist_wait(vha, gid_list, gid_list_dma, &entries); if (rc != QLA_SUCCESS) { ql_dbg(ql_dbg_tgt_mgt, vha, 0xf045, "qla_target(%d): get_id_list() failed: %x\n", @@ -1551,6 +1577,9 @@ static void qlt_send_notify_ack(struct scsi_qla_host *vha, request_t *pkt; struct nack_to_isp *nack; + if (!ha->flags.fw_started) + return; + ql_dbg(ql_dbg_tgt, vha, 0xe004, "Sending NOTIFY_ACK (ha=%p)\n", ha); /* Send marker if required */ @@ -2013,6 +2042,70 @@ void qlt_free_mcmd(struct qla_tgt_mgmt_cmd *mcmd) } EXPORT_SYMBOL(qlt_free_mcmd); +/* + * ha->hardware_lock supposed to be held on entry. Might drop it, then + * reacquire + */ +void qlt_send_resp_ctio(scsi_qla_host_t *vha, struct qla_tgt_cmd *cmd, + uint8_t scsi_status, uint8_t sense_key, uint8_t asc, uint8_t ascq) +{ + struct atio_from_isp *atio = &cmd->atio; + struct ctio7_to_24xx *ctio; + uint16_t temp; + + ql_dbg(ql_dbg_tgt_dif, vha, 0x3066, + "Sending response CTIO7 (vha=%p, atio=%p, scsi_status=%02x, " + "sense_key=%02x, asc=%02x, ascq=%02x", + vha, atio, scsi_status, sense_key, asc, ascq); + + ctio = (struct ctio7_to_24xx *)qla2x00_alloc_iocbs(vha, NULL); + if (!ctio) { + ql_dbg(ql_dbg_async, vha, 0x3067, + "qla2x00t(%ld): %s failed: unable to allocate request packet", + vha->host_no, __func__); + goto out; + } + + ctio->entry_type = CTIO_TYPE7; + ctio->entry_count = 1; + ctio->handle = QLA_TGT_SKIP_HANDLE; + ctio->nport_handle = cmd->sess->loop_id; + ctio->timeout = cpu_to_le16(QLA_TGT_TIMEOUT); + ctio->vp_index = vha->vp_idx; + ctio->initiator_id[0] = atio->u.isp24.fcp_hdr.s_id[2]; + ctio->initiator_id[1] = atio->u.isp24.fcp_hdr.s_id[1]; + ctio->initiator_id[2] = atio->u.isp24.fcp_hdr.s_id[0]; + ctio->exchange_addr = atio->u.isp24.exchange_addr; + ctio->u.status1.flags = (atio->u.isp24.attr << 9) | + cpu_to_le16(CTIO7_FLAGS_STATUS_MODE_1 | CTIO7_FLAGS_SEND_STATUS); + temp = be16_to_cpu(atio->u.isp24.fcp_hdr.ox_id); + ctio->u.status1.ox_id = cpu_to_le16(temp); + ctio->u.status1.scsi_status = + cpu_to_le16(SS_RESPONSE_INFO_LEN_VALID | scsi_status); + ctio->u.status1.response_len = cpu_to_le16(18); + ctio->u.status1.residual = cpu_to_le32(get_datalen_for_atio(atio)); + + if (ctio->u.status1.residual != 0) + ctio->u.status1.scsi_status |= + cpu_to_le16(SS_RESIDUAL_UNDER); + + /* Response code and sense key */ + put_unaligned_le32(((0x70 << 24) | (sense_key << 8)), + (&ctio->u.status1.sense_data)[0]); + /* Additional sense length */ + put_unaligned_le32(0x0a, (&ctio->u.status1.sense_data)[1]); + /* ASC and ASCQ */ + put_unaligned_le32(((asc << 24) | (ascq << 16)), + (&ctio->u.status1.sense_data)[3]); + + /* Memory Barrier */ + wmb(); + + qla2x00_start_iocbs(vha, vha->req); +out: + return; +} + /* callback from target fabric module code */ void qlt_xmit_tm_rsp(struct qla_tgt_mgmt_cmd *mcmd) { @@ -2261,7 +2354,7 @@ static int qlt_24xx_build_ctio_pkt(struct qla_tgt_prm *prm, */ return -EAGAIN; } else - ha->tgt.cmds[h-1] = prm->cmd; + ha->tgt.cmds[h - 1] = prm->cmd; pkt->handle = h | CTIO_COMPLETION_HANDLE_MARK; pkt->nport_handle = prm->cmd->loop_id; @@ -2391,6 +2484,50 @@ static inline int qlt_has_data(struct qla_tgt_cmd *cmd) return cmd->bufflen > 0; } +static void qlt_print_dif_err(struct qla_tgt_prm *prm) +{ + struct qla_tgt_cmd *cmd; + struct scsi_qla_host *vha; + + /* asc 0x10=dif error */ + if (prm->sense_buffer && (prm->sense_buffer[12] == 0x10)) { + cmd = prm->cmd; + vha = cmd->vha; + /* ASCQ */ + switch (prm->sense_buffer[13]) { + case 1: + ql_dbg(ql_dbg_tgt_dif, vha, 0xffff, + "BE detected Guard TAG ERR: lba[0x%llx|%lld] len[0x%x] " + "se_cmd=%p tag[%x]", + cmd->lba, cmd->lba, cmd->num_blks, &cmd->se_cmd, + cmd->atio.u.isp24.exchange_addr); + break; + case 2: + ql_dbg(ql_dbg_tgt_dif, vha, 0xffff, + "BE detected APP TAG ERR: lba[0x%llx|%lld] len[0x%x] " + "se_cmd=%p tag[%x]", + cmd->lba, cmd->lba, cmd->num_blks, &cmd->se_cmd, + cmd->atio.u.isp24.exchange_addr); + break; + case 3: + ql_dbg(ql_dbg_tgt_dif, vha, 0xffff, + "BE detected REF TAG ERR: lba[0x%llx|%lld] len[0x%x] " + "se_cmd=%p tag[%x]", + cmd->lba, cmd->lba, cmd->num_blks, &cmd->se_cmd, + cmd->atio.u.isp24.exchange_addr); + break; + default: + ql_dbg(ql_dbg_tgt_dif, vha, 0xffff, + "BE detected Dif ERR: lba[%llx|%lld] len[%x] " + "se_cmd=%p tag[%x]", + cmd->lba, cmd->lba, cmd->num_blks, &cmd->se_cmd, + cmd->atio.u.isp24.exchange_addr); + break; + } + ql_dump_buffer(ql_dbg_tgt_dif, vha, 0xffff, cmd->cdb, 16); + } +} + /* * Called without ha->hardware_lock held */ @@ -2512,18 +2649,9 @@ skip_explict_conf: for (i = 0; i < prm->sense_buffer_len/4; i++) ((uint32_t *)ctio->u.status1.sense_data)[i] = cpu_to_be32(((uint32_t *)prm->sense_buffer)[i]); -#if 0 - if (unlikely((prm->sense_buffer_len % 4) != 0)) { - static int q; - if (q < 10) { - ql_dbg(ql_dbg_tgt, vha, 0xe04f, - "qla_target(%d): %d bytes of sense " - "lost", prm->tgt->ha->vp_idx, - prm->sense_buffer_len % 4); - q++; - } - } -#endif + + qlt_print_dif_err(prm); + } else { ctio->u.status1.flags &= ~cpu_to_le16(CTIO7_FLAGS_STATUS_MODE_0); @@ -2537,19 +2665,9 @@ skip_explict_conf: /* Sense with len > 24, is it possible ??? */ } - - -/* diff */ static inline int qlt_hba_err_chk_enabled(struct se_cmd *se_cmd) { - /* - * Uncomment when corresponding SCSI changes are done. - * - if (!sp->cmd->prot_chk) - return 0; - * - */ switch (se_cmd->prot_op) { case TARGET_PROT_DOUT_INSERT: case TARGET_PROT_DIN_STRIP: @@ -2570,16 +2688,38 @@ qlt_hba_err_chk_enabled(struct se_cmd *se_cmd) return 0; } +static inline int +qla_tgt_ref_mask_check(struct se_cmd *se_cmd) +{ + switch (se_cmd->prot_op) { + case TARGET_PROT_DIN_INSERT: + case TARGET_PROT_DOUT_INSERT: + case TARGET_PROT_DIN_STRIP: + case TARGET_PROT_DOUT_STRIP: + case TARGET_PROT_DIN_PASS: + case TARGET_PROT_DOUT_PASS: + return 1; + default: + return 0; + } + return 0; +} + /* - * qla24xx_set_t10dif_tags_from_cmd - Extract Ref and App tags from SCSI command - * + * qla_tgt_set_dif_tags - Extract Ref and App tags from SCSI command */ -static inline void -qlt_set_t10dif_tags(struct se_cmd *se_cmd, struct crc_context *ctx) +static void +qla_tgt_set_dif_tags(struct qla_tgt_cmd *cmd, struct crc_context *ctx, + uint16_t *pfw_prot_opts) { + struct se_cmd *se_cmd = &cmd->se_cmd; uint32_t lba = 0xffffffff & se_cmd->t_task_lba; + scsi_qla_host_t *vha = cmd->tgt->vha; + struct qla_hw_data *ha = vha->hw; + uint32_t t32 = 0; - /* wait til Mode Sense/Select cmd, modepage Ah, subpage 2 + /* + * wait till Mode Sense/Select cmd, modepage Ah, subpage 2 * have been immplemented by TCM, before AppTag is avail. * Look for modesense_handlers[] */ @@ -2587,65 +2727,73 @@ qlt_set_t10dif_tags(struct se_cmd *se_cmd, struct crc_context *ctx) ctx->app_tag_mask[0] = 0x0; ctx->app_tag_mask[1] = 0x0; + if (IS_PI_UNINIT_CAPABLE(ha)) { + if ((se_cmd->prot_type == TARGET_DIF_TYPE1_PROT) || + (se_cmd->prot_type == TARGET_DIF_TYPE2_PROT)) + *pfw_prot_opts |= PO_DIS_VALD_APP_ESC; + else if (se_cmd->prot_type == TARGET_DIF_TYPE3_PROT) + *pfw_prot_opts |= PO_DIS_VALD_APP_REF_ESC; + } + + t32 = ha->tgt.tgt_ops->get_dif_tags(cmd, pfw_prot_opts); + switch (se_cmd->prot_type) { case TARGET_DIF_TYPE0_PROT: /* - * No check for ql2xenablehba_err_chk, as it would be an - * I/O error if hba tag generation is not done. + * No check for ql2xenablehba_err_chk, as it + * would be an I/O error if hba tag generation + * is not done. */ ctx->ref_tag = cpu_to_le32(lba); - - if (!qlt_hba_err_chk_enabled(se_cmd)) - break; - /* enable ALL bytes of the ref tag */ ctx->ref_tag_mask[0] = 0xff; ctx->ref_tag_mask[1] = 0xff; ctx->ref_tag_mask[2] = 0xff; ctx->ref_tag_mask[3] = 0xff; break; - /* - * For TYpe 1 protection: 16 bit GUARD tag, 32 bit REF tag, and - * 16 bit app tag. - */ case TARGET_DIF_TYPE1_PROT: - ctx->ref_tag = cpu_to_le32(lba); - - if (!qlt_hba_err_chk_enabled(se_cmd)) - break; - - /* enable ALL bytes of the ref tag */ - ctx->ref_tag_mask[0] = 0xff; - ctx->ref_tag_mask[1] = 0xff; - ctx->ref_tag_mask[2] = 0xff; - ctx->ref_tag_mask[3] = 0xff; - break; - /* - * For TYPE 2 protection: 16 bit GUARD + 32 bit REF tag has to - * match LBA in CDB + N - */ + /* + * For TYPE 1 protection: 16 bit GUARD tag, 32 bit + * REF tag, and 16 bit app tag. + */ + ctx->ref_tag = cpu_to_le32(lba); + if (!qla_tgt_ref_mask_check(se_cmd) || + !(ha->tgt.tgt_ops->chk_dif_tags(t32))) { + *pfw_prot_opts |= PO_DIS_REF_TAG_VALD; + break; + } + /* enable ALL bytes of the ref tag */ + ctx->ref_tag_mask[0] = 0xff; + ctx->ref_tag_mask[1] = 0xff; + ctx->ref_tag_mask[2] = 0xff; + ctx->ref_tag_mask[3] = 0xff; + break; case TARGET_DIF_TYPE2_PROT: - ctx->ref_tag = cpu_to_le32(lba); - - if (!qlt_hba_err_chk_enabled(se_cmd)) - break; - - /* enable ALL bytes of the ref tag */ - ctx->ref_tag_mask[0] = 0xff; - ctx->ref_tag_mask[1] = 0xff; - ctx->ref_tag_mask[2] = 0xff; - ctx->ref_tag_mask[3] = 0xff; - break; - - /* For Type 3 protection: 16 bit GUARD only */ + /* + * For TYPE 2 protection: 16 bit GUARD + 32 bit REF + * tag has to match LBA in CDB + N + */ + ctx->ref_tag = cpu_to_le32(lba); + if (!qla_tgt_ref_mask_check(se_cmd) || + !(ha->tgt.tgt_ops->chk_dif_tags(t32))) { + *pfw_prot_opts |= PO_DIS_REF_TAG_VALD; + break; + } + /* enable ALL bytes of the ref tag */ + ctx->ref_tag_mask[0] = 0xff; + ctx->ref_tag_mask[1] = 0xff; + ctx->ref_tag_mask[2] = 0xff; + ctx->ref_tag_mask[3] = 0xff; + break; case TARGET_DIF_TYPE3_PROT: - ctx->ref_tag_mask[0] = ctx->ref_tag_mask[1] = - ctx->ref_tag_mask[2] = ctx->ref_tag_mask[3] = 0x00; - break; + /* For TYPE 3 protection: 16 bit GUARD only */ + *pfw_prot_opts |= PO_DIS_REF_TAG_VALD; + ctx->ref_tag_mask[0] = ctx->ref_tag_mask[1] = + ctx->ref_tag_mask[2] = ctx->ref_tag_mask[3] = 0x00; + break; } } - static inline int qlt_build_ctio_crc2_pkt(struct qla_tgt_prm *prm, scsi_qla_host_t *vha) { @@ -2664,6 +2812,7 @@ qlt_build_ctio_crc2_pkt(struct qla_tgt_prm *prm, scsi_qla_host_t *vha) struct se_cmd *se_cmd = &cmd->se_cmd; uint32_t h; struct atio_from_isp *atio = &prm->cmd->atio; + struct qla_tc_param tc; uint16_t t16; ha = vha->hw; @@ -2689,16 +2838,15 @@ qlt_build_ctio_crc2_pkt(struct qla_tgt_prm *prm, scsi_qla_host_t *vha) case TARGET_PROT_DIN_INSERT: case TARGET_PROT_DOUT_STRIP: transfer_length = data_bytes; - data_bytes += dif_bytes; + if (cmd->prot_sg_cnt) + data_bytes += dif_bytes; break; - case TARGET_PROT_DIN_STRIP: case TARGET_PROT_DOUT_INSERT: case TARGET_PROT_DIN_PASS: case TARGET_PROT_DOUT_PASS: transfer_length = data_bytes + dif_bytes; break; - default: BUG(); break; @@ -2734,7 +2882,6 @@ qlt_build_ctio_crc2_pkt(struct qla_tgt_prm *prm, scsi_qla_host_t *vha) break; } - /* ---- PKT ---- */ /* Update entry type to indicate Command Type CRC_2 IOCB */ pkt->entry_type = CTIO_CRC2; @@ -2752,9 +2899,8 @@ qlt_build_ctio_crc2_pkt(struct qla_tgt_prm *prm, scsi_qla_host_t *vha) } else ha->tgt.cmds[h-1] = prm->cmd; - pkt->handle = h | CTIO_COMPLETION_HANDLE_MARK; - pkt->nport_handle = prm->cmd->loop_id; + pkt->nport_handle = cpu_to_le16(prm->cmd->loop_id); pkt->timeout = cpu_to_le16(QLA_TGT_TIMEOUT); pkt->initiator_id[0] = atio->u.isp24.fcp_hdr.s_id[2]; pkt->initiator_id[1] = atio->u.isp24.fcp_hdr.s_id[1]; @@ -2775,12 +2921,10 @@ qlt_build_ctio_crc2_pkt(struct qla_tgt_prm *prm, scsi_qla_host_t *vha) else if (cmd->dma_data_direction == DMA_FROM_DEVICE) pkt->flags = cpu_to_le16(CTIO7_FLAGS_DATA_OUT); - pkt->dseg_count = prm->tot_dsds; /* Fibre channel byte count */ pkt->transfer_length = cpu_to_le32(transfer_length); - /* ----- CRC context -------- */ /* Allocate CRC context from global pool */ @@ -2800,13 +2944,12 @@ qlt_build_ctio_crc2_pkt(struct qla_tgt_prm *prm, scsi_qla_host_t *vha) /* Set handle */ crc_ctx_pkt->handle = pkt->handle; - qlt_set_t10dif_tags(se_cmd, crc_ctx_pkt); + qla_tgt_set_dif_tags(cmd, crc_ctx_pkt, &fw_prot_opts); pkt->crc_context_address[0] = cpu_to_le32(LSD(crc_ctx_dma)); pkt->crc_context_address[1] = cpu_to_le32(MSD(crc_ctx_dma)); pkt->crc_context_len = CRC_CONTEXT_LEN_FW; - if (!bundling) { cur_dsd = (uint32_t *) &crc_ctx_pkt->u.nobundling.data_address; } else { @@ -2827,16 +2970,24 @@ qlt_build_ctio_crc2_pkt(struct qla_tgt_prm *prm, scsi_qla_host_t *vha) crc_ctx_pkt->byte_count = cpu_to_le32(data_bytes); crc_ctx_pkt->guard_seed = cpu_to_le16(0); + memset((uint8_t *)&tc, 0 , sizeof(tc)); + tc.vha = vha; + tc.blk_sz = cmd->blk_sz; + tc.bufflen = cmd->bufflen; + tc.sg = cmd->sg; + tc.prot_sg = cmd->prot_sg; + tc.ctx = crc_ctx_pkt; + tc.ctx_dsd_alloced = &cmd->ctx_dsd_alloced; /* Walks data segments */ pkt->flags |= cpu_to_le16(CTIO7_FLAGS_DSD_PTR); if (!bundling && prm->prot_seg_cnt) { if (qla24xx_walk_and_build_sglist_no_difb(ha, NULL, cur_dsd, - prm->tot_dsds, cmd)) + prm->tot_dsds, &tc)) goto crc_queuing_error; } else if (qla24xx_walk_and_build_sglist(ha, NULL, cur_dsd, - (prm->tot_dsds - prm->prot_seg_cnt), cmd)) + (prm->tot_dsds - prm->prot_seg_cnt), &tc)) goto crc_queuing_error; if (bundling && prm->prot_seg_cnt) { @@ -2845,18 +2996,18 @@ qlt_build_ctio_crc2_pkt(struct qla_tgt_prm *prm, scsi_qla_host_t *vha) cur_dsd = (uint32_t *) &crc_ctx_pkt->u.bundling.dif_address; if (qla24xx_walk_and_build_prot_sglist(ha, NULL, cur_dsd, - prm->prot_seg_cnt, cmd)) + prm->prot_seg_cnt, &tc)) goto crc_queuing_error; } return QLA_SUCCESS; crc_queuing_error: /* Cleanup will be performed by the caller */ + vha->hw->tgt.cmds[h - 1] = NULL; return QLA_FUNCTION_FAILED; } - /* * Callback to setup response of xmit_type of QLA_TGT_XMIT_DATA and * * QLA_TGT_XMIT_STATUS for >= 24xx silicon @@ -2906,7 +3057,7 @@ int qlt_xmit_response(struct qla_tgt_cmd *cmd, int xmit_type, else vha->tgt_counters.core_qla_que_buf++; - if (!vha->flags.online || cmd->reset_count != ha->chip_reset) { + if (!ha->flags.fw_started || cmd->reset_count != ha->chip_reset) { /* * Either the port is not online or this request was from * previous life, just abort the processing. @@ -3047,7 +3198,7 @@ int qlt_rdy_to_xfer(struct qla_tgt_cmd *cmd) spin_lock_irqsave(&ha->hardware_lock, flags); - if (!vha->flags.online || (cmd->reset_count != ha->chip_reset) || + if (!ha->flags.fw_started || (cmd->reset_count != ha->chip_reset) || (cmd->sess && cmd->sess->deleted)) { /* * Either the port is not online or this request was from @@ -3104,139 +3255,113 @@ EXPORT_SYMBOL(qlt_rdy_to_xfer); /* - * Checks the guard or meta-data for the type of error - * detected by the HBA. + * it is assumed either hardware_lock or qpair lock is held. */ -static inline int +static void qlt_handle_dif_error(struct scsi_qla_host *vha, struct qla_tgt_cmd *cmd, - struct ctio_crc_from_fw *sts) + struct ctio_crc_from_fw *sts) { uint8_t *ap = &sts->actual_dif[0]; uint8_t *ep = &sts->expected_dif[0]; - uint32_t e_ref_tag, a_ref_tag; - uint16_t e_app_tag, a_app_tag; - uint16_t e_guard, a_guard; uint64_t lba = cmd->se_cmd.t_task_lba; + uint8_t scsi_status, sense_key, asc, ascq; + unsigned long flags; - a_guard = be16_to_cpu(*(uint16_t *)(ap + 0)); - a_app_tag = be16_to_cpu(*(uint16_t *)(ap + 2)); - a_ref_tag = be32_to_cpu(*(uint32_t *)(ap + 4)); - - e_guard = be16_to_cpu(*(uint16_t *)(ep + 0)); - e_app_tag = be16_to_cpu(*(uint16_t *)(ep + 2)); - e_ref_tag = be32_to_cpu(*(uint32_t *)(ep + 4)); - - ql_dbg(ql_dbg_tgt, vha, 0xe075, - "iocb(s) %p Returned STATUS.\n", sts); - - ql_dbg(ql_dbg_tgt, vha, 0xf075, - "dif check TGT cdb 0x%x lba 0x%llx: [Actual|Expected] Ref Tag[0x%x|0x%x], App Tag [0x%x|0x%x], Guard [0x%x|0x%x]\n", - cmd->atio.u.isp24.fcp_cmnd.cdb[0], lba, - a_ref_tag, e_ref_tag, a_app_tag, e_app_tag, a_guard, e_guard); - - /* - * Ignore sector if: - * For type 3: ref & app tag is all 'f's - * For type 0,1,2: app tag is all 'f's - */ - if ((a_app_tag == 0xffff) && - ((cmd->se_cmd.prot_type != TARGET_DIF_TYPE3_PROT) || - (a_ref_tag == 0xffffffff))) { - uint32_t blocks_done; - - /* 2TB boundary case covered automatically with this */ - blocks_done = e_ref_tag - (uint32_t)lba + 1; - cmd->se_cmd.bad_sector = e_ref_tag; - cmd->se_cmd.pi_err = 0; - ql_dbg(ql_dbg_tgt, vha, 0xf074, - "need to return scsi good\n"); - - /* Update protection tag */ - if (cmd->prot_sg_cnt) { - uint32_t i, k = 0, num_ent; - struct scatterlist *sg, *sgl; - - - sgl = cmd->prot_sg; - - /* Patch the corresponding protection tags */ - for_each_sg(sgl, sg, cmd->prot_sg_cnt, i) { - num_ent = sg_dma_len(sg) / 8; - if (k + num_ent < blocks_done) { - k += num_ent; - continue; - } - k = blocks_done; - break; - } + cmd->trc_flags |= TRC_DIF_ERR; - if (k != blocks_done) { - ql_log(ql_log_warn, vha, 0xf076, - "unexpected tag values tag:lba=%u:%llu)\n", - e_ref_tag, (unsigned long long)lba); - goto out; - } + cmd->a_guard = be16_to_cpu(*(uint16_t *)(ap + 0)); + cmd->a_app_tag = be16_to_cpu(*(uint16_t *)(ap + 2)); + cmd->a_ref_tag = be32_to_cpu(*(uint32_t *)(ap + 4)); -#if 0 - struct sd_dif_tuple *spt; - /* TODO: - * This section came from initiator. Is it valid here? - * should ulp be override with actual val??? - */ - spt = page_address(sg_page(sg)) + sg->offset; - spt += j; + cmd->e_guard = be16_to_cpu(*(uint16_t *)(ep + 0)); + cmd->e_app_tag = be16_to_cpu(*(uint16_t *)(ep + 2)); + cmd->e_ref_tag = be32_to_cpu(*(uint32_t *)(ep + 4)); - spt->app_tag = 0xffff; - if (cmd->se_cmd.prot_type == SCSI_PROT_DIF_TYPE3) - spt->ref_tag = 0xffffffff; -#endif - } + ql_dbg(ql_dbg_tgt_dif, vha, 0xf075, + "%s: aborted %d state %d\n", __func__, cmd->aborted, cmd->state); - return 0; - } + scsi_status = sense_key = asc = ascq = 0; - /* check guard */ - if (e_guard != a_guard) { - cmd->se_cmd.pi_err = TCM_LOGICAL_BLOCK_GUARD_CHECK_FAILED; - cmd->se_cmd.bad_sector = cmd->se_cmd.t_task_lba; - - ql_log(ql_log_warn, vha, 0xe076, - "Guard ERR: cdb 0x%x lba 0x%llx: [Actual|Expected] Ref Tag[0x%x|0x%x], App Tag [0x%x|0x%x], Guard [0x%x|0x%x] cmd=%p\n", - cmd->atio.u.isp24.fcp_cmnd.cdb[0], lba, - a_ref_tag, e_ref_tag, a_app_tag, e_app_tag, - a_guard, e_guard, cmd); - goto out; + /* check appl tag */ + if (cmd->e_app_tag != cmd->a_app_tag) { + ql_dbg(ql_dbg_tgt_dif, vha, 0xffff, + "App Tag ERR: cdb[%x] lba[%llx %llx] blks[%x] [Actual|Expected] " + "Ref[%x|%x], App[%x|%x], " + "Guard [%x|%x] cmd=%p ox_id[%04x]", + cmd->cdb[0], lba, (lba+cmd->num_blks), cmd->num_blks, + cmd->a_ref_tag, cmd->e_ref_tag, + cmd->a_app_tag, cmd->e_app_tag, + cmd->a_guard, cmd->e_guard, + cmd, cmd->atio.u.isp24.fcp_hdr.ox_id); + + cmd->dif_err_code = DIF_ERR_APP; + scsi_status = SAM_STAT_CHECK_CONDITION; + sense_key = ABORTED_COMMAND; + asc = 0x10; + ascq = 0x2; } /* check ref tag */ - if (e_ref_tag != a_ref_tag) { - cmd->se_cmd.pi_err = TCM_LOGICAL_BLOCK_REF_TAG_CHECK_FAILED; - cmd->se_cmd.bad_sector = e_ref_tag; - - ql_log(ql_log_warn, vha, 0xe077, - "Ref Tag ERR: cdb 0x%x lba 0x%llx: [Actual|Expected] Ref Tag[0x%x|0x%x], App Tag [0x%x|0x%x], Guard [0x%x|0x%x] cmd=%p\n", - cmd->atio.u.isp24.fcp_cmnd.cdb[0], lba, - a_ref_tag, e_ref_tag, a_app_tag, e_app_tag, - a_guard, e_guard, cmd); + if (cmd->e_ref_tag != cmd->a_ref_tag) { + ql_dbg(ql_dbg_tgt_dif, vha, 0xffff, + "Ref Tag ERR: cdb[%x] lba[%llx %llx] blks[%x] [Actual|Expected] " + "Ref[%x|%x], App[%x|%x], " + "Guard[%x|%x] cmd=%p ox_id[%04x] ", + cmd->cdb[0], lba, (lba+cmd->num_blks), cmd->num_blks, + cmd->a_ref_tag, cmd->e_ref_tag, + cmd->a_app_tag, cmd->e_app_tag, + cmd->a_guard, cmd->e_guard, + cmd, cmd->atio.u.isp24.fcp_hdr.ox_id); + + cmd->dif_err_code = DIF_ERR_REF; + scsi_status = SAM_STAT_CHECK_CONDITION; + sense_key = ABORTED_COMMAND; + asc = 0x10; + ascq = 0x3; goto out; } - /* check appl tag */ - if (e_app_tag != a_app_tag) { - cmd->se_cmd.pi_err = TCM_LOGICAL_BLOCK_APP_TAG_CHECK_FAILED; - cmd->se_cmd.bad_sector = cmd->se_cmd.t_task_lba; - - ql_log(ql_log_warn, vha, 0xe078, - "App Tag ERR: cdb 0x%x lba 0x%llx: [Actual|Expected] Ref Tag[0x%x|0x%x], App Tag [0x%x|0x%x], Guard [0x%x|0x%x] cmd=%p\n", - cmd->atio.u.isp24.fcp_cmnd.cdb[0], lba, - a_ref_tag, e_ref_tag, a_app_tag, e_app_tag, - a_guard, e_guard, cmd); - goto out; + /* check guard */ + if (cmd->e_guard != cmd->a_guard) { + ql_dbg(ql_dbg_tgt_dif, vha, 0xffff, + "Guard ERR: cdb[%x] lba[%llx %llx] blks[%x] [Actual|Expected] " + "Ref[%x|%x], App[%x|%x], " + "Guard [%x|%x] cmd=%p ox_id[%04x]", + cmd->cdb[0], lba, (lba+cmd->num_blks), cmd->num_blks, + cmd->a_ref_tag, cmd->e_ref_tag, + cmd->a_app_tag, cmd->e_app_tag, + cmd->a_guard, cmd->e_guard, + cmd, cmd->atio.u.isp24.fcp_hdr.ox_id); + cmd->dif_err_code = DIF_ERR_GRD; + scsi_status = SAM_STAT_CHECK_CONDITION; + sense_key = ABORTED_COMMAND; + asc = 0x10; + ascq = 0x1; } out: - return 1; -} + switch (cmd->state) { + case QLA_TGT_STATE_NEED_DATA: + /* handle_data will load DIF error code */ + cmd->state = QLA_TGT_STATE_DATA_IN; + vha->hw->tgt.tgt_ops->handle_data(cmd); + break; + default: + spin_lock_irqsave(&cmd->cmd_lock, flags); + if (cmd->aborted) { + spin_unlock_irqrestore(&cmd->cmd_lock, flags); + vha->hw->tgt.tgt_ops->free_cmd(cmd); + break; + } + spin_unlock_irqrestore(&cmd->cmd_lock, flags); + qlt_send_resp_ctio(vha, cmd, scsi_status, sense_key, asc, ascq); + /* assume scsi status gets out on the wire. + * Will not wait for completion. + */ + vha->hw->tgt.tgt_ops->free_cmd(cmd); + break; + } +} /* If hardware_lock held on entry, might drop it, then reaquire */ /* This function sends the appropriate CTIO to ISP 2xxx or 24xx */ @@ -3251,7 +3376,7 @@ static int __qlt_send_term_imm_notif(struct scsi_qla_host *vha, ql_dbg(ql_dbg_tgt_tmr, vha, 0xe01c, "Sending TERM ELS CTIO (ha=%p)\n", ha); - pkt = (request_t *)qla2x00_alloc_iocbs_ready(vha, NULL); + pkt = (request_t *)qla2x00_alloc_iocbs(vha, NULL); if (pkt == NULL) { ql_dbg(ql_dbg_tgt, vha, 0xe080, "qla_target(%d): %s failed: unable to allocate " @@ -3543,6 +3668,16 @@ static int qlt_term_ctio_exchange(struct scsi_qla_host *vha, void *ctio, { int term = 0; + if (cmd->se_cmd.prot_op) + ql_dbg(ql_dbg_tgt_dif, vha, 0xffff, + "Term DIF cmd: lba[0x%llx|%lld] len[0x%x] " + "se_cmd=%p tag[%x] op %#x/%s", + cmd->lba, cmd->lba, + cmd->num_blks, &cmd->se_cmd, + cmd->atio.u.isp24.exchange_addr, + cmd->se_cmd.prot_op, + prot_op_str(cmd->se_cmd.prot_op)); + if (ctio != NULL) { struct ctio7_from_24xx *c = (struct ctio7_from_24xx *)ctio; term = !(c->flags & @@ -3760,32 +3895,15 @@ static void qlt_do_ctio_completion(struct scsi_qla_host *vha, uint32_t handle, struct ctio_crc_from_fw *crc = (struct ctio_crc_from_fw *)ctio; ql_dbg(ql_dbg_tgt_mgt, vha, 0xf073, - "qla_target(%d): CTIO with DIF_ERROR status %x received (state %x, se_cmd %p) actual_dif[0x%llx] expect_dif[0x%llx]\n", + "qla_target(%d): CTIO with DIF_ERROR status %x " + "received (state %x, ulp_cmd %p) actual_dif[0x%llx] " + "expect_dif[0x%llx]\n", vha->vp_idx, status, cmd->state, se_cmd, *((u64 *)&crc->actual_dif[0]), *((u64 *)&crc->expected_dif[0])); - if (qlt_handle_dif_error(vha, cmd, ctio)) { - if (cmd->state == QLA_TGT_STATE_NEED_DATA) { - /* scsi Write/xfer rdy complete */ - goto skip_term; - } else { - /* scsi read/xmit respond complete - * call handle dif to send scsi status - * rather than terminate exchange. - */ - cmd->state = QLA_TGT_STATE_PROCESSED; - ha->tgt.tgt_ops->handle_dif_err(cmd); - return; - } - } else { - /* Need to generate a SCSI good completion. - * because FW did not send scsi status. - */ - status = 0; - goto skip_term; - } - break; + qlt_handle_dif_error(vha, cmd, ctio); + return; } default: ql_dbg(ql_dbg_tgt_mgt, vha, 0xf05b, @@ -3808,7 +3926,6 @@ static void qlt_do_ctio_completion(struct scsi_qla_host *vha, uint32_t handle, return; } } -skip_term: if (cmd->state == QLA_TGT_STATE_PROCESSED) { cmd->trc_flags |= TRC_CTIO_DONE; @@ -4584,7 +4701,8 @@ static int qlt_24xx_handle_els(struct scsi_qla_host *vha, } if (sess != NULL) { - if (sess->fw_login_state == DSC_LS_PLOGI_PEND) { + if (sess->fw_login_state != DSC_LS_PLOGI_PEND && + sess->fw_login_state != DSC_LS_PLOGI_COMP) { /* * Impatient initiator sent PRLI before last * PLOGI could finish. Will force him to re-try, @@ -4623,15 +4741,23 @@ static int qlt_24xx_handle_els(struct scsi_qla_host *vha, /* Make session global (not used in fabric mode) */ if (ha->current_topology != ISP_CFG_F) { - set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); - set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); - qla2xxx_wake_dpc(vha); + if (sess) { + ql_dbg(ql_dbg_disc, vha, 0xffff, + "%s %d %8phC post nack\n", + __func__, __LINE__, sess->port_name); + qla24xx_post_nack_work(vha, sess, iocb, + SRB_NACK_PRLI); + res = 0; + } else { + set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); + set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); + qla2xxx_wake_dpc(vha); + } } else { if (sess) { ql_dbg(ql_dbg_disc, vha, 0xffff, - "%s %d %8phC post nack\n", - __func__, __LINE__, sess->port_name); - + "%s %d %8phC post nack\n", + __func__, __LINE__, sess->port_name); qla24xx_post_nack_work(vha, sess, iocb, SRB_NACK_PRLI); res = 0; @@ -4639,7 +4765,6 @@ static int qlt_24xx_handle_els(struct scsi_qla_host *vha, } break; - case ELS_TPRLO: if (le16_to_cpu(iocb->u.isp24.flags) & NOTIFY24XX_FLAGS_GLOBAL_TPRLO) { @@ -5079,16 +5204,22 @@ qlt_send_busy(struct scsi_qla_host *vha, static int qlt_chk_qfull_thresh_hold(struct scsi_qla_host *vha, - struct atio_from_isp *atio) + struct atio_from_isp *atio, bool ha_locked) { struct qla_hw_data *ha = vha->hw; uint16_t status; + unsigned long flags; if (ha->tgt.num_pend_cmds < Q_FULL_THRESH_HOLD(ha)) return 0; + if (!ha_locked) + spin_lock_irqsave(&ha->hardware_lock, flags); status = temp_sam_status; qlt_send_busy(vha, atio, status); + if (!ha_locked) + spin_unlock_irqrestore(&ha->hardware_lock, flags); + return 1; } @@ -5103,7 +5234,7 @@ static void qlt_24xx_atio_pkt(struct scsi_qla_host *vha, unsigned long flags; if (unlikely(tgt == NULL)) { - ql_dbg(ql_dbg_io, vha, 0x3064, + ql_dbg(ql_dbg_tgt, vha, 0x3064, "ATIO pkt, but no tgt (ha %p)", ha); return; } @@ -5133,7 +5264,7 @@ static void qlt_24xx_atio_pkt(struct scsi_qla_host *vha, if (likely(atio->u.isp24.fcp_cmnd.task_mgmt_flags == 0)) { - rc = qlt_chk_qfull_thresh_hold(vha, atio); + rc = qlt_chk_qfull_thresh_hold(vha, atio, ha_locked); if (rc != 0) { tgt->atio_irq_cmd_count--; return; @@ -5256,7 +5387,7 @@ static void qlt_response_pkt(struct scsi_qla_host *vha, response_t *pkt) break; } - rc = qlt_chk_qfull_thresh_hold(vha, atio); + rc = qlt_chk_qfull_thresh_hold(vha, atio, true); if (rc != 0) { tgt->irq_cmd_count--; return; @@ -5531,7 +5662,7 @@ static fc_port_t *qlt_get_port_database(struct scsi_qla_host *vha, fcport->loop_id = loop_id; - rc = qla2x00_get_port_database(vha, fcport, 0); + rc = qla24xx_gpdb_wait(vha, fcport, 0); if (rc != QLA_SUCCESS) { ql_dbg(ql_dbg_tgt_mgt, vha, 0xf070, "qla_target(%d): Failed to retrieve fcport " @@ -5713,30 +5844,23 @@ static void qlt_abort_work(struct qla_tgt *tgt, } } - spin_lock_irqsave(&ha->hardware_lock, flags); - - if (tgt->tgt_stop) - goto out_term; - rc = __qlt_24xx_handle_abts(vha, &prm->abts, sess); + ha->tgt.tgt_ops->put_sess(sess); + spin_unlock_irqrestore(&ha->tgt.sess_lock, flags2); + if (rc != 0) goto out_term; - spin_unlock_irqrestore(&ha->hardware_lock, flags); - if (sess) - ha->tgt.tgt_ops->put_sess(sess); - spin_unlock_irqrestore(&ha->tgt.sess_lock, flags2); return; out_term2: - spin_lock_irqsave(&ha->hardware_lock, flags); + if (sess) + ha->tgt.tgt_ops->put_sess(sess); + spin_unlock_irqrestore(&ha->tgt.sess_lock, flags2); out_term: + spin_lock_irqsave(&ha->hardware_lock, flags); qlt_24xx_send_abts_resp(vha, &prm->abts, FCP_TMF_REJECTED, false); spin_unlock_irqrestore(&ha->hardware_lock, flags); - - if (sess) - ha->tgt.tgt_ops->put_sess(sess); - spin_unlock_irqrestore(&ha->tgt.sess_lock, flags2); } static void qlt_tmr_work(struct qla_tgt *tgt, @@ -5756,7 +5880,7 @@ static void qlt_tmr_work(struct qla_tgt *tgt, spin_lock_irqsave(&ha->tgt.sess_lock, flags); if (tgt->tgt_stop) - goto out_term; + goto out_term2; s_id = prm->tm_iocb2.u.isp24.fcp_hdr.s_id; sess = ha->tgt.tgt_ops->find_sess_by_s_id(vha, s_id); @@ -5768,11 +5892,11 @@ static void qlt_tmr_work(struct qla_tgt *tgt, spin_lock_irqsave(&ha->tgt.sess_lock, flags); if (!sess) - goto out_term; + goto out_term2; } else { if (sess->deleted) { sess = NULL; - goto out_term; + goto out_term2; } if (!kref_get_unless_zero(&sess->sess_kref)) { @@ -5780,7 +5904,7 @@ static void qlt_tmr_work(struct qla_tgt *tgt, "%s: kref_get fail %8phC\n", __func__, sess->port_name); sess = NULL; - goto out_term; + goto out_term2; } } @@ -5790,17 +5914,19 @@ static void qlt_tmr_work(struct qla_tgt *tgt, unpacked_lun = scsilun_to_int((struct scsi_lun *)&lun); rc = qlt_issue_task_mgmt(sess, unpacked_lun, fn, iocb, 0); - if (rc != 0) - goto out_term; - ha->tgt.tgt_ops->put_sess(sess); spin_unlock_irqrestore(&ha->tgt.sess_lock, flags); + + if (rc != 0) + goto out_term; return; +out_term2: + if (sess) + ha->tgt.tgt_ops->put_sess(sess); + spin_unlock_irqrestore(&ha->tgt.sess_lock, flags); out_term: qlt_send_term_exchange(vha, NULL, &prm->tm_iocb2, 1, 0); - ha->tgt.tgt_ops->put_sess(sess); - spin_unlock_irqrestore(&ha->tgt.sess_lock, flags); } static void qlt_sess_work_fn(struct work_struct *work) @@ -5893,13 +6019,13 @@ int qlt_add_target(struct qla_hw_data *ha, struct scsi_qla_host *base_vha) tgt->datasegs_per_cmd = QLA_TGT_DATASEGS_PER_CMD_24XX; tgt->datasegs_per_cont = QLA_TGT_DATASEGS_PER_CONT_24XX; - if (base_vha->fc_vport) - return 0; - mutex_lock(&qla_tgt_mutex); list_add_tail(&tgt->tgt_list_entry, &qla_tgt_glist); mutex_unlock(&qla_tgt_mutex); + if (ha->tgt.tgt_ops && ha->tgt.tgt_ops->add_target) + ha->tgt.tgt_ops->add_target(base_vha); + return 0; } @@ -5928,6 +6054,17 @@ int qlt_remove_target(struct qla_hw_data *ha, struct scsi_qla_host *vha) return 0; } +void qlt_remove_target_resources(struct qla_hw_data *ha) +{ + struct scsi_qla_host *node; + u32 key = 0; + + btree_for_each_safe32(&ha->tgt.host_map, key, node) + btree_remove32(&ha->tgt.host_map, key); + + btree_destroy32(&ha->tgt.host_map); +} + static void qlt_lport_dump(struct scsi_qla_host *vha, u64 wwpn, unsigned char *b) { @@ -6234,7 +6371,7 @@ qlt_24xx_process_atio_queue(struct scsi_qla_host *vha, uint8_t ha_locked) struct atio_from_isp *pkt; int cnt, i; - if (!vha->flags.online) + if (!ha->flags.fw_started) return; while ((ha->tgt.atio_ring_ptr->signature != ATIO_PROCESSED) || @@ -6581,6 +6718,8 @@ qlt_modify_vp_config(struct scsi_qla_host *vha, void qlt_probe_one_stage1(struct scsi_qla_host *base_vha, struct qla_hw_data *ha) { + int rc; + if (!QLA_TGT_MODE_ENABLED()) return; @@ -6600,6 +6739,13 @@ qlt_probe_one_stage1(struct scsi_qla_host *base_vha, struct qla_hw_data *ha) qlt_unknown_atio_work_fn); qlt_clear_mode(base_vha); + + rc = btree_init32(&ha->tgt.host_map); + if (rc) + ql_log(ql_log_info, base_vha, 0xffff, + "Unable to initialize ha->host_map btree\n"); + + qlt_update_vp_map(base_vha, SET_VP_IDX); } irqreturn_t @@ -6642,6 +6788,8 @@ qlt_handle_abts_recv_work(struct work_struct *work) spin_lock_irqsave(&ha->hardware_lock, flags); qlt_response_pkt_all_vps(vha, (response_t *)&op->atio); spin_unlock_irqrestore(&ha->hardware_lock, flags); + + kfree(op); } void @@ -6706,25 +6854,69 @@ qlt_mem_free(struct qla_hw_data *ha) void qlt_update_vp_map(struct scsi_qla_host *vha, int cmd) { + void *slot; + u32 key; + int rc; + if (!QLA_TGT_MODE_ENABLED()) return; + key = vha->d_id.b24; + switch (cmd) { case SET_VP_IDX: vha->hw->tgt.tgt_vp_map[vha->vp_idx].vha = vha; break; case SET_AL_PA: - vha->hw->tgt.tgt_vp_map[vha->d_id.b.al_pa].idx = vha->vp_idx; + slot = btree_lookup32(&vha->hw->tgt.host_map, key); + if (!slot) { + ql_dbg(ql_dbg_tgt_mgt, vha, 0xffff, + "Save vha in host_map %p %06x\n", vha, key); + rc = btree_insert32(&vha->hw->tgt.host_map, + key, vha, GFP_ATOMIC); + if (rc) + ql_log(ql_log_info, vha, 0xffff, + "Unable to insert s_id into host_map: %06x\n", + key); + return; + } + ql_dbg(ql_dbg_tgt_mgt, vha, 0xffff, + "replace existing vha in host_map %p %06x\n", vha, key); + btree_update32(&vha->hw->tgt.host_map, key, vha); break; case RESET_VP_IDX: vha->hw->tgt.tgt_vp_map[vha->vp_idx].vha = NULL; break; case RESET_AL_PA: - vha->hw->tgt.tgt_vp_map[vha->d_id.b.al_pa].idx = 0; + ql_dbg(ql_dbg_tgt_mgt, vha, 0xffff, + "clear vha in host_map %p %06x\n", vha, key); + slot = btree_lookup32(&vha->hw->tgt.host_map, key); + if (slot) + btree_remove32(&vha->hw->tgt.host_map, key); + vha->d_id.b24 = 0; break; } } +void qlt_update_host_map(struct scsi_qla_host *vha, port_id_t id) +{ + unsigned long flags; + struct qla_hw_data *ha = vha->hw; + + if (!vha->d_id.b24) { + spin_lock_irqsave(&ha->vport_slock, flags); + vha->d_id = id; + qlt_update_vp_map(vha, SET_AL_PA); + spin_unlock_irqrestore(&ha->vport_slock, flags); + } else if (vha->d_id.b24 != id.b24) { + spin_lock_irqsave(&ha->vport_slock, flags); + qlt_update_vp_map(vha, RESET_AL_PA); + vha->d_id = id; + qlt_update_vp_map(vha, SET_AL_PA); + spin_unlock_irqrestore(&ha->vport_slock, flags); + } +} + static int __init qlt_parse_ini_mode(void) { if (strcasecmp(qlini_mode, QLA2XXX_INI_MODE_STR_EXCLUSIVE) == 0) diff --git a/drivers/scsi/qla2xxx/qla_target.h b/drivers/scsi/qla2xxx/qla_target.h index a7f90dc..d644202 100644 --- a/drivers/scsi/qla2xxx/qla_target.h +++ b/drivers/scsi/qla2xxx/qla_target.h @@ -378,6 +378,14 @@ static inline void adjust_corrupted_atio(struct atio_from_isp *atio) atio->u.isp24.fcp_cmnd.add_cdb_len = 0; } +static inline int get_datalen_for_atio(struct atio_from_isp *atio) +{ + int len = atio->u.isp24.fcp_cmnd.add_cdb_len; + + return (be32_to_cpu(get_unaligned((uint32_t *) + &atio->u.isp24.fcp_cmnd.add_cdb[len * 4]))); +} + #define CTIO_TYPE7 0x12 /* Continue target I/O entry (for 24xx) */ /* @@ -667,7 +675,6 @@ struct qla_tgt_func_tmpl { int (*handle_cmd)(struct scsi_qla_host *, struct qla_tgt_cmd *, unsigned char *, uint32_t, int, int, int); void (*handle_data)(struct qla_tgt_cmd *); - void (*handle_dif_err)(struct qla_tgt_cmd *); int (*handle_tmr)(struct qla_tgt_mgmt_cmd *, uint32_t, uint16_t, uint32_t); void (*free_cmd)(struct qla_tgt_cmd *); @@ -684,6 +691,9 @@ struct qla_tgt_func_tmpl { void (*clear_nacl_from_fcport_map)(struct fc_port *); void (*put_sess)(struct fc_port *); void (*shutdown_sess)(struct fc_port *); + int (*get_dif_tags)(struct qla_tgt_cmd *cmd, uint16_t *pfw_prot_opts); + int (*chk_dif_tags)(uint32_t tag); + void (*add_target)(struct scsi_qla_host *); }; int qla2x00_wait_for_hba_online(struct scsi_qla_host *); @@ -720,8 +730,8 @@ int qla2x00_wait_for_hba_online(struct scsi_qla_host *); #define QLA_TGT_ABORT_ALL 0xFFFE #define QLA_TGT_NEXUS_LOSS_SESS 0xFFFD #define QLA_TGT_NEXUS_LOSS 0xFFFC -#define QLA_TGT_ABTS 0xFFFB -#define QLA_TGT_2G_ABORT_TASK 0xFFFA +#define QLA_TGT_ABTS 0xFFFB +#define QLA_TGT_2G_ABORT_TASK 0xFFFA /* Notify Acknowledge flags */ #define NOTIFY_ACK_RES_COUNT BIT_8 @@ -845,6 +855,7 @@ enum trace_flags { TRC_CMD_FREE = BIT_17, TRC_DATA_IN = BIT_18, TRC_ABORT = BIT_19, + TRC_DIF_ERR = BIT_20, }; struct qla_tgt_cmd { @@ -862,7 +873,6 @@ struct qla_tgt_cmd { unsigned int sg_mapped:1; unsigned int free_sg:1; unsigned int write_data_transferred:1; - unsigned int ctx_dsd_alloced:1; unsigned int q_full:1; unsigned int term_exchg:1; unsigned int cmd_sent_to_fw:1; @@ -885,11 +895,25 @@ struct qla_tgt_cmd { struct list_head cmd_list; struct atio_from_isp atio; - /* t10dif */ + + uint8_t ctx_dsd_alloced; + + /* T10-DIF */ +#define DIF_ERR_NONE 0 +#define DIF_ERR_GRD 1 +#define DIF_ERR_REF 2 +#define DIF_ERR_APP 3 + int8_t dif_err_code; struct scatterlist *prot_sg; uint32_t prot_sg_cnt; - uint32_t blk_sz; + uint32_t blk_sz, num_blks; + uint8_t scsi_status, sense_key, asc, ascq; + struct crc_context *ctx; + uint8_t *cdb; + uint64_t lba; + uint16_t a_guard, e_guard, a_app_tag, e_app_tag; + uint32_t a_ref_tag, e_ref_tag; uint64_t jiffies_at_alloc; uint64_t jiffies_at_free; @@ -1053,4 +1077,7 @@ extern int qlt_free_qfull_cmds(struct scsi_qla_host *); extern void qlt_logo_completion_handler(fc_port_t *, int); extern void qlt_do_generation_tick(struct scsi_qla_host *, int *); +void qlt_send_resp_ctio(scsi_qla_host_t *, struct qla_tgt_cmd *, uint8_t, + uint8_t, uint8_t, uint8_t); + #endif /* __QLA_TARGET_H */ diff --git a/drivers/scsi/qla2xxx/qla_version.h b/drivers/scsi/qla2xxx/qla_version.h index 3cb1964..45bc84e 100644 --- a/drivers/scsi/qla2xxx/qla_version.h +++ b/drivers/scsi/qla2xxx/qla_version.h @@ -7,9 +7,9 @@ /* * Driver version */ -#define QLA2XXX_VERSION "8.07.00.38-k" +#define QLA2XXX_VERSION "9.00.00.00-k" -#define QLA_DRIVER_MAJOR_VER 8 -#define QLA_DRIVER_MINOR_VER 7 +#define QLA_DRIVER_MAJOR_VER 9 +#define QLA_DRIVER_MINOR_VER 0 #define QLA_DRIVER_PATCH_VER 0 #define QLA_DRIVER_BETA_VER 0 diff --git a/drivers/scsi/qla2xxx/tcm_qla2xxx.c b/drivers/scsi/qla2xxx/tcm_qla2xxx.c index 8e8ab0f..7443e4e 100644 --- a/drivers/scsi/qla2xxx/tcm_qla2xxx.c +++ b/drivers/scsi/qla2xxx/tcm_qla2xxx.c @@ -531,6 +531,24 @@ static void tcm_qla2xxx_handle_data_work(struct work_struct *work) return; } + switch (cmd->dif_err_code) { + case DIF_ERR_GRD: + cmd->se_cmd.pi_err = + TCM_LOGICAL_BLOCK_GUARD_CHECK_FAILED; + break; + case DIF_ERR_REF: + cmd->se_cmd.pi_err = + TCM_LOGICAL_BLOCK_REF_TAG_CHECK_FAILED; + break; + case DIF_ERR_APP: + cmd->se_cmd.pi_err = + TCM_LOGICAL_BLOCK_APP_TAG_CHECK_FAILED; + break; + case DIF_ERR_NONE: + default: + break; + } + if (cmd->se_cmd.pi_err) transport_generic_request_failure(&cmd->se_cmd, cmd->se_cmd.pi_err); @@ -555,25 +573,23 @@ static void tcm_qla2xxx_handle_data(struct qla_tgt_cmd *cmd) queue_work_on(smp_processor_id(), tcm_qla2xxx_free_wq, &cmd->work); } -static void tcm_qla2xxx_handle_dif_work(struct work_struct *work) +static int tcm_qla2xxx_chk_dif_tags(uint32_t tag) { - struct qla_tgt_cmd *cmd = container_of(work, struct qla_tgt_cmd, work); - - /* take an extra kref to prevent cmd free too early. - * need to wait for SCSI status/check condition to - * finish responding generate by transport_generic_request_failure. - */ - kref_get(&cmd->se_cmd.cmd_kref); - transport_generic_request_failure(&cmd->se_cmd, cmd->se_cmd.pi_err); + return 0; } -/* - * Called from qla_target.c:qlt_do_ctio_completion() - */ -static void tcm_qla2xxx_handle_dif_err(struct qla_tgt_cmd *cmd) +static int tcm_qla2xxx_dif_tags(struct qla_tgt_cmd *cmd, + uint16_t *pfw_prot_opts) { - INIT_WORK(&cmd->work, tcm_qla2xxx_handle_dif_work); - queue_work(tcm_qla2xxx_free_wq, &cmd->work); + struct se_cmd *se_cmd = &cmd->se_cmd; + + if (!(se_cmd->prot_checks & TARGET_DIF_CHECK_GUARD)) + *pfw_prot_opts |= PO_DISABLE_GUARD_CHECK; + + if (!(se_cmd->prot_checks & TARGET_DIF_CHECK_APPTAG)) + *pfw_prot_opts |= PO_DIS_APP_TAG_VALD; + + return 0; } /* @@ -1610,7 +1626,6 @@ static void tcm_qla2xxx_update_sess(struct fc_port *sess, port_id_t s_id, static struct qla_tgt_func_tmpl tcm_qla2xxx_template = { .handle_cmd = tcm_qla2xxx_handle_cmd, .handle_data = tcm_qla2xxx_handle_data, - .handle_dif_err = tcm_qla2xxx_handle_dif_err, .handle_tmr = tcm_qla2xxx_handle_tmr, .free_cmd = tcm_qla2xxx_free_cmd, .free_mcmd = tcm_qla2xxx_free_mcmd, @@ -1622,6 +1637,8 @@ static struct qla_tgt_func_tmpl tcm_qla2xxx_template = { .clear_nacl_from_fcport_map = tcm_qla2xxx_clear_nacl_from_fcport_map, .put_sess = tcm_qla2xxx_put_sess, .shutdown_sess = tcm_qla2xxx_shutdown_sess, + .get_dif_tags = tcm_qla2xxx_dif_tags, + .chk_dif_tags = tcm_qla2xxx_chk_dif_tags, }; static int tcm_qla2xxx_init_lport(struct tcm_qla2xxx_lport *lport) diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c index ba22866..e5a2d59 100644 --- a/drivers/scsi/scsi_lib.c +++ b/drivers/scsi/scsi_lib.c @@ -496,7 +496,7 @@ static void scsi_run_queue(struct request_queue *q) scsi_starved_list_run(sdev->host); if (q->mq_ops) - blk_mq_start_stopped_hw_queues(q, false); + blk_mq_run_hw_queues(q, false); else blk_run_queue(q); } @@ -667,7 +667,7 @@ static bool scsi_end_request(struct request *req, int error, !list_empty(&sdev->host->starved_list)) kblockd_schedule_work(&sdev->requeue_work); else - blk_mq_start_stopped_hw_queues(q, true); + blk_mq_run_hw_queues(q, true); } else { unsigned long flags; @@ -1974,7 +1974,7 @@ out: case BLK_MQ_RQ_QUEUE_BUSY: if (atomic_read(&sdev->device_busy) == 0 && !scsi_device_blocked(sdev)) - blk_mq_delay_queue(hctx, SCSI_QUEUE_DELAY); + blk_mq_delay_run_hw_queue(hctx, SCSI_QUEUE_DELAY); break; case BLK_MQ_RQ_QUEUE_ERROR: /* @@ -2932,6 +2932,8 @@ EXPORT_SYMBOL(scsi_target_resume); /** * scsi_internal_device_block - internal function to put a device temporarily into the SDEV_BLOCK state * @sdev: device to block + * @wait: Whether or not to wait until ongoing .queuecommand() / + * .queue_rq() calls have finished. * * Block request made by scsi lld's to temporarily stop all * scsi commands on the specified device. May sleep. @@ -2949,7 +2951,7 @@ EXPORT_SYMBOL(scsi_target_resume); * remove the rport mutex lock and unlock calls from srp_queuecommand(). */ int -scsi_internal_device_block(struct scsi_device *sdev) +scsi_internal_device_block(struct scsi_device *sdev, bool wait) { struct request_queue *q = sdev->request_queue; unsigned long flags; @@ -2969,12 +2971,16 @@ scsi_internal_device_block(struct scsi_device *sdev) * request queue. */ if (q->mq_ops) { - blk_mq_quiesce_queue(q); + if (wait) + blk_mq_quiesce_queue(q); + else + blk_mq_stop_hw_queues(q); } else { spin_lock_irqsave(q->queue_lock, flags); blk_stop_queue(q); spin_unlock_irqrestore(q->queue_lock, flags); - scsi_wait_for_queuecommand(sdev); + if (wait) + scsi_wait_for_queuecommand(sdev); } return 0; @@ -3036,7 +3042,7 @@ EXPORT_SYMBOL_GPL(scsi_internal_device_unblock); static void device_block(struct scsi_device *sdev, void *data) { - scsi_internal_device_block(sdev); + scsi_internal_device_block(sdev, true); } static int diff --git a/drivers/scsi/scsi_priv.h b/drivers/scsi/scsi_priv.h index 99bfc98..f11bd10 100644 --- a/drivers/scsi/scsi_priv.h +++ b/drivers/scsi/scsi_priv.h @@ -188,8 +188,5 @@ static inline void scsi_dh_remove_device(struct scsi_device *sdev) { } */ #define SCSI_DEVICE_BLOCK_MAX_TIMEOUT 600 /* units in seconds */ -extern int scsi_internal_device_block(struct scsi_device *sdev); -extern int scsi_internal_device_unblock(struct scsi_device *sdev, - enum scsi_device_state new_state); #endif /* _SCSI_PRIV_H */ diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c index d277e86..35ad5e8 100644 --- a/drivers/scsi/sd.c +++ b/drivers/scsi/sd.c @@ -1783,6 +1783,8 @@ static int sd_done(struct scsi_cmnd *SCpnt) { int result = SCpnt->result; unsigned int good_bytes = result ? 0 : scsi_bufflen(SCpnt); + unsigned int sector_size = SCpnt->device->sector_size; + unsigned int resid; struct scsi_sense_hdr sshdr; struct scsi_disk *sdkp = scsi_disk(SCpnt->request->rq_disk); struct request *req = SCpnt->request; @@ -1813,6 +1815,21 @@ static int sd_done(struct scsi_cmnd *SCpnt) scsi_set_resid(SCpnt, blk_rq_bytes(req)); } break; + default: + /* + * In case of bogus fw or device, we could end up having + * an unaligned partial completion. Check this here and force + * alignment. + */ + resid = scsi_get_resid(SCpnt); + if (resid & (sector_size - 1)) { + sd_printk(KERN_INFO, sdkp, + "Unaligned partial completion (resid=%u, sector_sz=%u)\n", + resid, sector_size); + resid = min(scsi_bufflen(SCpnt), + round_up(resid, sector_size)); + scsi_set_resid(SCpnt, resid); + } } if (result) { @@ -2085,6 +2102,22 @@ static void read_capacity_error(struct scsi_disk *sdkp, struct scsi_device *sdp, #define READ_CAPACITY_RETRIES_ON_RESET 10 +/* + * Ensure that we don't overflow sector_t when CONFIG_LBDAF is not set + * and the reported logical block size is bigger than 512 bytes. Note + * that last_sector is a u64 and therefore logical_to_sectors() is not + * applicable. + */ +static bool sd_addressable_capacity(u64 lba, unsigned int sector_size) +{ + u64 last_sector = (lba + 1ULL) << (ilog2(sector_size) - 9); + + if (sizeof(sector_t) == 4 && last_sector > U32_MAX) + return false; + + return true; +} + static int read_capacity_16(struct scsi_disk *sdkp, struct scsi_device *sdp, unsigned char *buffer) { @@ -2150,7 +2183,7 @@ static int read_capacity_16(struct scsi_disk *sdkp, struct scsi_device *sdp, return -ENODEV; } - if ((sizeof(sdkp->capacity) == 4) && (lba >= 0xffffffffULL)) { + if (!sd_addressable_capacity(lba, sector_size)) { sd_printk(KERN_ERR, sdkp, "Too big for this kernel. Use a " "kernel compiled with support for large block " "devices.\n"); @@ -2239,7 +2272,7 @@ static int read_capacity_10(struct scsi_disk *sdkp, struct scsi_device *sdp, return sector_size; } - if ((sizeof(sdkp->capacity) == 4) && (lba == 0xffffffff)) { + if (!sd_addressable_capacity(lba, sector_size)) { sd_printk(KERN_ERR, sdkp, "Too big for this kernel. Use a " "kernel compiled with support for large block " "devices.\n"); @@ -2939,7 +2972,8 @@ static int sd_revalidate_disk(struct gendisk *disk) q->limits.io_opt = logical_to_bytes(sdp, sdkp->opt_xfer_blocks); rw_max = logical_to_sectors(sdp, sdkp->opt_xfer_blocks); } else - rw_max = BLK_DEF_MAX_SECTORS; + rw_max = min_not_zero(logical_to_sectors(sdp, dev_max), + (sector_t)BLK_DEF_MAX_SECTORS); /* Combine with controller limits */ q->limits.max_sectors = min(rw_max, queue_max_hw_sectors(q)); diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c index 29b8650..225abaa 100644 --- a/drivers/scsi/sg.c +++ b/drivers/scsi/sg.c @@ -996,6 +996,8 @@ sg_ioctl(struct file *filp, unsigned int cmd_in, unsigned long arg) result = get_user(val, ip); if (result) return result; + if (val > SG_MAX_CDB_SIZE) + return -ENOMEM; sfp->next_cmd_len = (val > 0) ? val : 0; return 0; case SG_GET_VERSION_NUM: diff --git a/drivers/scsi/sr.c b/drivers/scsi/sr.c index 0b29b93..a8f6302 100644 --- a/drivers/scsi/sr.c +++ b/drivers/scsi/sr.c @@ -836,6 +836,7 @@ static void get_capabilities(struct scsi_cd *cd) unsigned char *buffer; struct scsi_mode_data data; struct scsi_sense_hdr sshdr; + unsigned int ms_len = 128; int rc, n; static const char *loadmech[] = @@ -862,10 +863,11 @@ static void get_capabilities(struct scsi_cd *cd) scsi_test_unit_ready(cd->device, SR_TIMEOUT, MAX_RETRIES, &sshdr); /* ask for mode page 0x2a */ - rc = scsi_mode_sense(cd->device, 0, 0x2a, buffer, 128, + rc = scsi_mode_sense(cd->device, 0, 0x2a, buffer, ms_len, SR_TIMEOUT, 3, &data, NULL); - if (!scsi_status_is_good(rc)) { + if (!scsi_status_is_good(rc) || data.length > ms_len || + data.header_length + data.block_descriptor_length > data.length) { /* failed, drive doesn't have capabilities mode page */ cd->cdi.speed = 1; cd->cdi.mask |= (CDC_CD_R | CDC_CD_RW | CDC_DVD_R | diff --git a/drivers/scsi/storvsc_drv.c b/drivers/scsi/storvsc_drv.c index 638e5f4..016639d 100644 --- a/drivers/scsi/storvsc_drv.c +++ b/drivers/scsi/storvsc_drv.c @@ -400,8 +400,6 @@ MODULE_PARM_DESC(storvsc_vcpus_per_sub_channel, "Ratio of VCPUs to subchannels") */ static int storvsc_timeout = 180; -static int msft_blist_flags = BLIST_TRY_VPD_PAGES; - #if IS_ENABLED(CONFIG_SCSI_FC_ATTRS) static struct scsi_transport_template *fc_transport_template; #endif @@ -1383,6 +1381,22 @@ static int storvsc_do_io(struct hv_device *device, return ret; } +static int storvsc_device_alloc(struct scsi_device *sdevice) +{ + /* + * Set blist flag to permit the reading of the VPD pages even when + * the target may claim SPC-2 compliance. MSFT targets currently + * claim SPC-2 compliance while they implement post SPC-2 features. + * With this flag we can correctly handle WRITE_SAME_16 issues. + * + * Hypervisor reports SCSI_UNKNOWN type for DVD ROM device but + * still supports REPORT LUN. + */ + sdevice->sdev_bflags = BLIST_REPORTLUN2 | BLIST_TRY_VPD_PAGES; + + return 0; +} + static int storvsc_device_configure(struct scsi_device *sdevice) { @@ -1396,14 +1410,6 @@ static int storvsc_device_configure(struct scsi_device *sdevice) sdevice->no_write_same = 1; /* - * Add blist flags to permit the reading of the VPD pages even when - * the target may claim SPC-2 compliance. MSFT targets currently - * claim SPC-2 compliance while they implement post SPC-2 features. - * With this patch we can correctly handle WRITE_SAME_16 issues. - */ - sdevice->sdev_bflags |= msft_blist_flags; - - /* * If the host is WIN8 or WIN8 R2, claim conformance to SPC-3 * if the device is a MSFT virtual device. If the host is * WIN10 or newer, allow write_same. @@ -1661,6 +1667,7 @@ static struct scsi_host_template scsi_driver = { .eh_host_reset_handler = storvsc_host_reset_handler, .proc_name = "storvsc_host", .eh_timed_out = storvsc_eh_timed_out, + .slave_alloc = storvsc_device_alloc, .slave_configure = storvsc_device_configure, .cmd_per_lun = 255, .this_id = -1, diff --git a/drivers/scsi/ufs/ufs.h b/drivers/scsi/ufs/ufs.h index 318e4a1..54deeb7 100644 --- a/drivers/scsi/ufs/ufs.h +++ b/drivers/scsi/ufs/ufs.h @@ -146,7 +146,7 @@ enum attr_idn { /* Descriptor idn for Query requests */ enum desc_idn { QUERY_DESC_IDN_DEVICE = 0x0, - QUERY_DESC_IDN_CONFIGURAION = 0x1, + QUERY_DESC_IDN_CONFIGURATION = 0x1, QUERY_DESC_IDN_UNIT = 0x2, QUERY_DESC_IDN_RFU_0 = 0x3, QUERY_DESC_IDN_INTERCONNECT = 0x4, @@ -162,19 +162,13 @@ enum desc_header_offset { QUERY_DESC_DESC_TYPE_OFFSET = 0x01, }; -enum ufs_desc_max_size { - QUERY_DESC_DEVICE_MAX_SIZE = 0x40, - QUERY_DESC_CONFIGURAION_MAX_SIZE = 0x90, - QUERY_DESC_UNIT_MAX_SIZE = 0x23, - QUERY_DESC_INTERCONNECT_MAX_SIZE = 0x06, - /* - * Max. 126 UNICODE characters (2 bytes per character) plus 2 bytes - * of descriptor header. - */ - QUERY_DESC_STRING_MAX_SIZE = 0xFE, - QUERY_DESC_GEOMETRY_MAX_SIZE = 0x44, - QUERY_DESC_POWER_MAX_SIZE = 0x62, - QUERY_DESC_RFU_MAX_SIZE = 0x00, +enum ufs_desc_def_size { + QUERY_DESC_DEVICE_DEF_SIZE = 0x40, + QUERY_DESC_CONFIGURATION_DEF_SIZE = 0x90, + QUERY_DESC_UNIT_DEF_SIZE = 0x23, + QUERY_DESC_INTERCONNECT_DEF_SIZE = 0x06, + QUERY_DESC_GEOMETRY_DEF_SIZE = 0x44, + QUERY_DESC_POWER_DEF_SIZE = 0x62, }; /* Unit descriptor parameters offsets in bytes*/ diff --git a/drivers/scsi/ufs/ufshcd-pltfrm.c b/drivers/scsi/ufs/ufshcd-pltfrm.c index a72a4ba..8e5e6c0 100644 --- a/drivers/scsi/ufs/ufshcd-pltfrm.c +++ b/drivers/scsi/ufs/ufshcd-pltfrm.c @@ -309,8 +309,8 @@ int ufshcd_pltfrm_init(struct platform_device *pdev, mem_res = platform_get_resource(pdev, IORESOURCE_MEM, 0); mmio_base = devm_ioremap_resource(dev, mem_res); - if (IS_ERR(*(void **)&mmio_base)) { - err = PTR_ERR(*(void **)&mmio_base); + if (IS_ERR(mmio_base)) { + err = PTR_ERR(mmio_base); goto out; } diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c index dc6efbd..096e95b 100644 --- a/drivers/scsi/ufs/ufshcd.c +++ b/drivers/scsi/ufs/ufshcd.c @@ -100,19 +100,6 @@ #define ufshcd_hex_dump(prefix_str, buf, len) \ print_hex_dump(KERN_ERR, prefix_str, DUMP_PREFIX_OFFSET, 16, 4, buf, len, false) -static u32 ufs_query_desc_max_size[] = { - QUERY_DESC_DEVICE_MAX_SIZE, - QUERY_DESC_CONFIGURAION_MAX_SIZE, - QUERY_DESC_UNIT_MAX_SIZE, - QUERY_DESC_RFU_MAX_SIZE, - QUERY_DESC_INTERCONNECT_MAX_SIZE, - QUERY_DESC_STRING_MAX_SIZE, - QUERY_DESC_RFU_MAX_SIZE, - QUERY_DESC_GEOMETRY_MAX_SIZE, - QUERY_DESC_POWER_MAX_SIZE, - QUERY_DESC_RFU_MAX_SIZE, -}; - enum { UFSHCD_MAX_CHANNEL = 0, UFSHCD_MAX_ID = 1, @@ -2857,7 +2844,7 @@ static int __ufshcd_query_descriptor(struct ufs_hba *hba, goto out; } - if (*buf_len <= QUERY_DESC_MIN_SIZE || *buf_len > QUERY_DESC_MAX_SIZE) { + if (*buf_len < QUERY_DESC_MIN_SIZE || *buf_len > QUERY_DESC_MAX_SIZE) { dev_err(hba->dev, "%s: descriptor buffer size (%d) is out of range\n", __func__, *buf_len); err = -EINVAL; @@ -2938,6 +2925,92 @@ static int ufshcd_query_descriptor_retry(struct ufs_hba *hba, } /** + * ufshcd_read_desc_length - read the specified descriptor length from header + * @hba: Pointer to adapter instance + * @desc_id: descriptor idn value + * @desc_index: descriptor index + * @desc_length: pointer to variable to read the length of descriptor + * + * Return 0 in case of success, non-zero otherwise + */ +static int ufshcd_read_desc_length(struct ufs_hba *hba, + enum desc_idn desc_id, + int desc_index, + int *desc_length) +{ + int ret; + u8 header[QUERY_DESC_HDR_SIZE]; + int header_len = QUERY_DESC_HDR_SIZE; + + if (desc_id >= QUERY_DESC_IDN_MAX) + return -EINVAL; + + ret = ufshcd_query_descriptor_retry(hba, UPIU_QUERY_OPCODE_READ_DESC, + desc_id, desc_index, 0, header, + &header_len); + + if (ret) { + dev_err(hba->dev, "%s: Failed to get descriptor header id %d", + __func__, desc_id); + return ret; + } else if (desc_id != header[QUERY_DESC_DESC_TYPE_OFFSET]) { + dev_warn(hba->dev, "%s: descriptor header id %d and desc_id %d mismatch", + __func__, header[QUERY_DESC_DESC_TYPE_OFFSET], + desc_id); + ret = -EINVAL; + } + + *desc_length = header[QUERY_DESC_LENGTH_OFFSET]; + return ret; + +} + +/** + * ufshcd_map_desc_id_to_length - map descriptor IDN to its length + * @hba: Pointer to adapter instance + * @desc_id: descriptor idn value + * @desc_len: mapped desc length (out) + * + * Return 0 in case of success, non-zero otherwise + */ +int ufshcd_map_desc_id_to_length(struct ufs_hba *hba, + enum desc_idn desc_id, int *desc_len) +{ + switch (desc_id) { + case QUERY_DESC_IDN_DEVICE: + *desc_len = hba->desc_size.dev_desc; + break; + case QUERY_DESC_IDN_POWER: + *desc_len = hba->desc_size.pwr_desc; + break; + case QUERY_DESC_IDN_GEOMETRY: + *desc_len = hba->desc_size.geom_desc; + break; + case QUERY_DESC_IDN_CONFIGURATION: + *desc_len = hba->desc_size.conf_desc; + break; + case QUERY_DESC_IDN_UNIT: + *desc_len = hba->desc_size.unit_desc; + break; + case QUERY_DESC_IDN_INTERCONNECT: + *desc_len = hba->desc_size.interc_desc; + break; + case QUERY_DESC_IDN_STRING: + *desc_len = QUERY_DESC_MAX_SIZE; + break; + case QUERY_DESC_IDN_RFU_0: + case QUERY_DESC_IDN_RFU_1: + *desc_len = 0; + break; + default: + *desc_len = 0; + return -EINVAL; + } + return 0; +} +EXPORT_SYMBOL(ufshcd_map_desc_id_to_length); + +/** * ufshcd_read_desc_param - read the specified descriptor parameter * @hba: Pointer to adapter instance * @desc_id: descriptor idn value @@ -2951,42 +3024,49 @@ static int ufshcd_query_descriptor_retry(struct ufs_hba *hba, static int ufshcd_read_desc_param(struct ufs_hba *hba, enum desc_idn desc_id, int desc_index, - u32 param_offset, + u8 param_offset, u8 *param_read_buf, - u32 param_size) + u8 param_size) { int ret; u8 *desc_buf; - u32 buff_len; + int buff_len; bool is_kmalloc = true; - /* safety checks */ - if (desc_id >= QUERY_DESC_IDN_MAX) + /* Safety check */ + if (desc_id >= QUERY_DESC_IDN_MAX || !param_size) return -EINVAL; - buff_len = ufs_query_desc_max_size[desc_id]; - if ((param_offset + param_size) > buff_len) - return -EINVAL; + /* Get the max length of descriptor from structure filled up at probe + * time. + */ + ret = ufshcd_map_desc_id_to_length(hba, desc_id, &buff_len); - if (!param_offset && (param_size == buff_len)) { - /* memory space already available to hold full descriptor */ - desc_buf = param_read_buf; - is_kmalloc = false; - } else { - /* allocate memory to hold full descriptor */ + /* Sanity checks */ + if (ret || !buff_len) { + dev_err(hba->dev, "%s: Failed to get full descriptor length", + __func__); + return ret; + } + + /* Check whether we need temp memory */ + if (param_offset != 0 || param_size < buff_len) { desc_buf = kmalloc(buff_len, GFP_KERNEL); if (!desc_buf) return -ENOMEM; + } else { + desc_buf = param_read_buf; + is_kmalloc = false; } + /* Request for full descriptor */ ret = ufshcd_query_descriptor_retry(hba, UPIU_QUERY_OPCODE_READ_DESC, - desc_id, desc_index, 0, desc_buf, - &buff_len); + desc_id, desc_index, 0, + desc_buf, &buff_len); if (ret) { dev_err(hba->dev, "%s: Failed reading descriptor. desc_id %d, desc_index %d, param_offset %d, ret %d", __func__, desc_id, desc_index, param_offset, ret); - goto out; } @@ -2998,25 +3078,9 @@ static int ufshcd_read_desc_param(struct ufs_hba *hba, goto out; } - /* - * While reading variable size descriptors (like string descriptor), - * some UFS devices may report the "LENGTH" (field in "Transaction - * Specific fields" of Query Response UPIU) same as what was requested - * in Query Request UPIU instead of reporting the actual size of the - * variable size descriptor. - * Although it's safe to ignore the "LENGTH" field for variable size - * descriptors as we can always derive the length of the descriptor from - * the descriptor header fields. Hence this change impose the length - * match check only for fixed size descriptors (for which we always - * request the correct size as part of Query Request UPIU). - */ - if ((desc_id != QUERY_DESC_IDN_STRING) && - (buff_len != desc_buf[QUERY_DESC_LENGTH_OFFSET])) { - dev_err(hba->dev, "%s: desc_buf length mismatch: buff_len %d, buff_len(desc_header) %d", - __func__, buff_len, desc_buf[QUERY_DESC_LENGTH_OFFSET]); - ret = -EINVAL; - goto out; - } + /* Check wherher we will not copy more data, than available */ + if (is_kmalloc && param_size > buff_len) + param_size = buff_len; if (is_kmalloc) memcpy(param_read_buf, &desc_buf[param_offset], param_size); @@ -4598,8 +4662,6 @@ static void __ufshcd_transfer_req_compl(struct ufs_hba *hba, } if (ufshcd_is_clkscaling_supported(hba)) hba->clk_scaling.active_reqs--; - if (ufshcd_is_clkscaling_supported(hba)) - hba->clk_scaling.active_reqs--; } /* clear corresponding bits of completed commands */ @@ -5919,8 +5981,8 @@ static int ufshcd_set_icc_levels_attr(struct ufs_hba *hba, u32 icc_level) static void ufshcd_init_icc_levels(struct ufs_hba *hba) { int ret; - int buff_len = QUERY_DESC_POWER_MAX_SIZE; - u8 desc_buf[QUERY_DESC_POWER_MAX_SIZE]; + int buff_len = hba->desc_size.pwr_desc; + u8 desc_buf[hba->desc_size.pwr_desc]; ret = ufshcd_read_power_desc(hba, desc_buf, buff_len); if (ret) { @@ -6017,11 +6079,10 @@ static int ufs_get_device_desc(struct ufs_hba *hba, { int err; u8 model_index; - u8 str_desc_buf[QUERY_DESC_STRING_MAX_SIZE + 1] = {0}; - u8 desc_buf[QUERY_DESC_DEVICE_MAX_SIZE]; + u8 str_desc_buf[QUERY_DESC_MAX_SIZE + 1] = {0}; + u8 desc_buf[hba->desc_size.dev_desc]; - err = ufshcd_read_device_desc(hba, desc_buf, - QUERY_DESC_DEVICE_MAX_SIZE); + err = ufshcd_read_device_desc(hba, desc_buf, hba->desc_size.dev_desc); if (err) { dev_err(hba->dev, "%s: Failed reading Device Desc. err = %d\n", __func__, err); @@ -6038,14 +6099,14 @@ static int ufs_get_device_desc(struct ufs_hba *hba, model_index = desc_buf[DEVICE_DESC_PARAM_PRDCT_NAME]; err = ufshcd_read_string_desc(hba, model_index, str_desc_buf, - QUERY_DESC_STRING_MAX_SIZE, ASCII_STD); + QUERY_DESC_MAX_SIZE, ASCII_STD); if (err) { dev_err(hba->dev, "%s: Failed reading Product Name. err = %d\n", __func__, err); goto out; } - str_desc_buf[QUERY_DESC_STRING_MAX_SIZE] = '\0'; + str_desc_buf[QUERY_DESC_MAX_SIZE] = '\0'; strlcpy(dev_desc->model, (str_desc_buf + QUERY_DESC_HDR_SIZE), min_t(u8, str_desc_buf[QUERY_DESC_LENGTH_OFFSET], MAX_MODEL_LEN)); @@ -6251,6 +6312,51 @@ static void ufshcd_clear_dbg_ufs_stats(struct ufs_hba *hba) hba->req_abort_count = 0; } +static void ufshcd_init_desc_sizes(struct ufs_hba *hba) +{ + int err; + + err = ufshcd_read_desc_length(hba, QUERY_DESC_IDN_DEVICE, 0, + &hba->desc_size.dev_desc); + if (err) + hba->desc_size.dev_desc = QUERY_DESC_DEVICE_DEF_SIZE; + + err = ufshcd_read_desc_length(hba, QUERY_DESC_IDN_POWER, 0, + &hba->desc_size.pwr_desc); + if (err) + hba->desc_size.pwr_desc = QUERY_DESC_POWER_DEF_SIZE; + + err = ufshcd_read_desc_length(hba, QUERY_DESC_IDN_INTERCONNECT, 0, + &hba->desc_size.interc_desc); + if (err) + hba->desc_size.interc_desc = QUERY_DESC_INTERCONNECT_DEF_SIZE; + + err = ufshcd_read_desc_length(hba, QUERY_DESC_IDN_CONFIGURATION, 0, + &hba->desc_size.conf_desc); + if (err) + hba->desc_size.conf_desc = QUERY_DESC_CONFIGURATION_DEF_SIZE; + + err = ufshcd_read_desc_length(hba, QUERY_DESC_IDN_UNIT, 0, + &hba->desc_size.unit_desc); + if (err) + hba->desc_size.unit_desc = QUERY_DESC_UNIT_DEF_SIZE; + + err = ufshcd_read_desc_length(hba, QUERY_DESC_IDN_GEOMETRY, 0, + &hba->desc_size.geom_desc); + if (err) + hba->desc_size.geom_desc = QUERY_DESC_GEOMETRY_DEF_SIZE; +} + +static void ufshcd_def_desc_sizes(struct ufs_hba *hba) +{ + hba->desc_size.dev_desc = QUERY_DESC_DEVICE_DEF_SIZE; + hba->desc_size.pwr_desc = QUERY_DESC_POWER_DEF_SIZE; + hba->desc_size.interc_desc = QUERY_DESC_INTERCONNECT_DEF_SIZE; + hba->desc_size.conf_desc = QUERY_DESC_CONFIGURATION_DEF_SIZE; + hba->desc_size.unit_desc = QUERY_DESC_UNIT_DEF_SIZE; + hba->desc_size.geom_desc = QUERY_DESC_GEOMETRY_DEF_SIZE; +} + /** * ufshcd_probe_hba - probe hba to detect device and initialize * @hba: per-adapter instance @@ -6285,6 +6391,9 @@ static int ufshcd_probe_hba(struct ufs_hba *hba) if (ret) goto out; + /* Init check for device descriptor sizes */ + ufshcd_init_desc_sizes(hba); + ret = ufs_get_device_desc(hba, &card); if (ret) { dev_err(hba->dev, "%s: Failed getting device info. err = %d\n", @@ -6320,6 +6429,7 @@ static int ufshcd_probe_hba(struct ufs_hba *hba) /* set the state as operational after switching to desired gear */ hba->ufshcd_state = UFSHCD_STATE_OPERATIONAL; + /* * If we are in error handling context or in power management callbacks * context, no need to scan the host @@ -7530,7 +7640,7 @@ static inline ssize_t ufshcd_pm_lvl_store(struct device *dev, if (kstrtoul(buf, 0, &value)) return -EINVAL; - if ((value < UFS_PM_LVL_0) || (value >= UFS_PM_LVL_MAX)) + if (value >= UFS_PM_LVL_MAX) return -EINVAL; spin_lock_irqsave(hba->host->host_lock, flags); @@ -7774,6 +7884,9 @@ int ufshcd_init(struct ufs_hba *hba, void __iomem *mmio_base, unsigned int irq) hba->mmio_base = mmio_base; hba->irq = irq; + /* Set descriptor lengths to specification defaults */ + ufshcd_def_desc_sizes(hba); + err = ufshcd_hba_init(hba); if (err) goto out_error; diff --git a/drivers/scsi/ufs/ufshcd.h b/drivers/scsi/ufs/ufshcd.h index 7630600..cdc8bd0 100644 --- a/drivers/scsi/ufs/ufshcd.h +++ b/drivers/scsi/ufs/ufshcd.h @@ -220,6 +220,15 @@ struct ufs_dev_cmd { struct ufs_query query; }; +struct ufs_desc_size { + int dev_desc; + int pwr_desc; + int geom_desc; + int interc_desc; + int unit_desc; + int conf_desc; +}; + /** * struct ufs_clk_info - UFS clock related info * @list: list headed by hba->clk_list_head @@ -483,6 +492,7 @@ struct ufs_stats { * @clk_list_head: UFS host controller clocks list node head * @pwr_info: holds current power mode * @max_pwr_info: keeps the device max valid pwm + * @desc_size: descriptor sizes reported by device * @urgent_bkops_lvl: keeps track of urgent bkops level for device * @is_urgent_bkops_lvl_checked: keeps track if the urgent bkops level for * device is known or not. @@ -666,6 +676,7 @@ struct ufs_hba { bool is_urgent_bkops_lvl_checked; struct rw_semaphore clk_scaling_lock; + struct ufs_desc_size desc_size; }; /* Returns true if clocks can be gated. Otherwise false */ @@ -832,6 +843,10 @@ int ufshcd_query_flag(struct ufs_hba *hba, enum query_opcode opcode, enum flag_idn idn, bool *flag_res); int ufshcd_hold(struct ufs_hba *hba, bool async); void ufshcd_release(struct ufs_hba *hba); + +int ufshcd_map_desc_id_to_length(struct ufs_hba *hba, enum desc_idn desc_id, + int *desc_length); + u32 ufshcd_get_local_unipro_ver(struct ufs_hba *hba); /* Wrapper functions for safely calling variant operations */ diff --git a/drivers/scsi/vmw_pvscsi.c b/drivers/scsi/vmw_pvscsi.c index ef474a7..c374e3b 100644 --- a/drivers/scsi/vmw_pvscsi.c +++ b/drivers/scsi/vmw_pvscsi.c @@ -1487,7 +1487,7 @@ static int pvscsi_probe(struct pci_dev *pdev, const struct pci_device_id *id) irq_flag &= ~PCI_IRQ_MSI; error = pci_alloc_irq_vectors(adapter->dev, 1, 1, irq_flag); - if (error) + if (error < 0) goto out_reset_adapter; adapter->use_req_threshold = pvscsi_setup_req_threshold(adapter, true); diff --git a/drivers/staging/android/ashmem.c b/drivers/staging/android/ashmem.c index 7cbad0d..6ba270e 100644 --- a/drivers/staging/android/ashmem.c +++ b/drivers/staging/android/ashmem.c @@ -409,6 +409,7 @@ static int ashmem_mmap(struct file *file, struct vm_area_struct *vma) ret = PTR_ERR(vmfile); goto out; } + vmfile->f_mode |= FMODE_LSEEK; asma->file = vmfile; } get_file(asma->file); diff --git a/drivers/staging/lustre/lnet/lnet/lib-socket.c b/drivers/staging/lustre/lnet/lnet/lib-socket.c index b7b87ec..9fca8d2 100644 --- a/drivers/staging/lustre/lnet/lnet/lib-socket.c +++ b/drivers/staging/lustre/lnet/lnet/lib-socket.c @@ -532,7 +532,7 @@ lnet_sock_accept(struct socket **newsockp, struct socket *sock) newsock->ops = sock->ops; - rc = sock->ops->accept(sock, newsock, O_NONBLOCK); + rc = sock->ops->accept(sock, newsock, O_NONBLOCK, false); if (rc == -EAGAIN) { /* Nothing ready, so wait for activity */ init_waitqueue_entry(&wait, current); @@ -540,7 +540,7 @@ lnet_sock_accept(struct socket **newsockp, struct socket *sock) set_current_state(TASK_INTERRUPTIBLE); schedule(); remove_wait_queue(sk_sleep(sock->sk), &wait); - rc = sock->ops->accept(sock, newsock, O_NONBLOCK); + rc = sock->ops->accept(sock, newsock, O_NONBLOCK, false); } if (rc) diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c index a918024..e3f9ed3 100644 --- a/drivers/target/iscsi/iscsi_target.c +++ b/drivers/target/iscsi/iscsi_target.c @@ -485,8 +485,7 @@ static void iscsit_get_rx_pdu(struct iscsi_conn *); int iscsit_queue_rsp(struct iscsi_conn *conn, struct iscsi_cmd *cmd) { - iscsit_add_cmd_to_response_queue(cmd, cmd->conn, cmd->i_state); - return 0; + return iscsit_add_cmd_to_response_queue(cmd, cmd->conn, cmd->i_state); } EXPORT_SYMBOL(iscsit_queue_rsp); diff --git a/drivers/target/iscsi/iscsi_target_configfs.c b/drivers/target/iscsi/iscsi_target_configfs.c index bf40f03..344e844 100644 --- a/drivers/target/iscsi/iscsi_target_configfs.c +++ b/drivers/target/iscsi/iscsi_target_configfs.c @@ -1398,11 +1398,10 @@ static u32 lio_sess_get_initiator_sid( static int lio_queue_data_in(struct se_cmd *se_cmd) { struct iscsi_cmd *cmd = container_of(se_cmd, struct iscsi_cmd, se_cmd); + struct iscsi_conn *conn = cmd->conn; cmd->i_state = ISTATE_SEND_DATAIN; - cmd->conn->conn_transport->iscsit_queue_data_in(cmd->conn, cmd); - - return 0; + return conn->conn_transport->iscsit_queue_data_in(conn, cmd); } static int lio_write_pending(struct se_cmd *se_cmd) @@ -1431,16 +1430,14 @@ static int lio_write_pending_status(struct se_cmd *se_cmd) static int lio_queue_status(struct se_cmd *se_cmd) { struct iscsi_cmd *cmd = container_of(se_cmd, struct iscsi_cmd, se_cmd); + struct iscsi_conn *conn = cmd->conn; cmd->i_state = ISTATE_SEND_STATUS; if (cmd->se_cmd.scsi_status || cmd->sense_reason) { - iscsit_add_cmd_to_response_queue(cmd, cmd->conn, cmd->i_state); - return 0; + return iscsit_add_cmd_to_response_queue(cmd, conn, cmd->i_state); } - cmd->conn->conn_transport->iscsit_queue_status(cmd->conn, cmd); - - return 0; + return conn->conn_transport->iscsit_queue_status(conn, cmd); } static void lio_queue_tm_rsp(struct se_cmd *se_cmd) diff --git a/drivers/target/iscsi/iscsi_target_parameters.c b/drivers/target/iscsi/iscsi_target_parameters.c index e65bf78..fce6276 100644 --- a/drivers/target/iscsi/iscsi_target_parameters.c +++ b/drivers/target/iscsi/iscsi_target_parameters.c @@ -782,22 +782,6 @@ static void iscsi_check_proposer_for_optional_reply(struct iscsi_param *param) if (!strcmp(param->name, MAXRECVDATASEGMENTLENGTH)) SET_PSTATE_REPLY_OPTIONAL(param); /* - * The GlobalSAN iSCSI Initiator for MacOSX does - * not respond to MaxBurstLength, FirstBurstLength, - * DefaultTime2Wait or DefaultTime2Retain parameter keys. - * So, we set them to 'reply optional' here, and assume the - * the defaults from iscsi_parameters.h if the initiator - * is not RFC compliant and the keys are not negotiated. - */ - if (!strcmp(param->name, MAXBURSTLENGTH)) - SET_PSTATE_REPLY_OPTIONAL(param); - if (!strcmp(param->name, FIRSTBURSTLENGTH)) - SET_PSTATE_REPLY_OPTIONAL(param); - if (!strcmp(param->name, DEFAULTTIME2WAIT)) - SET_PSTATE_REPLY_OPTIONAL(param); - if (!strcmp(param->name, DEFAULTTIME2RETAIN)) - SET_PSTATE_REPLY_OPTIONAL(param); - /* * Required for gPXE iSCSI boot client */ if (!strcmp(param->name, MAXCONNECTIONS)) diff --git a/drivers/target/iscsi/iscsi_target_util.c b/drivers/target/iscsi/iscsi_target_util.c index 5041a9c..7d3e2fc 100644 --- a/drivers/target/iscsi/iscsi_target_util.c +++ b/drivers/target/iscsi/iscsi_target_util.c @@ -567,7 +567,7 @@ static void iscsit_remove_cmd_from_immediate_queue( } } -void iscsit_add_cmd_to_response_queue( +int iscsit_add_cmd_to_response_queue( struct iscsi_cmd *cmd, struct iscsi_conn *conn, u8 state) @@ -578,7 +578,7 @@ void iscsit_add_cmd_to_response_queue( if (!qr) { pr_err("Unable to allocate memory for" " struct iscsi_queue_req\n"); - return; + return -ENOMEM; } INIT_LIST_HEAD(&qr->qr_list); qr->cmd = cmd; @@ -590,6 +590,7 @@ void iscsit_add_cmd_to_response_queue( spin_unlock_bh(&conn->response_queue_lock); wake_up(&conn->queues_wq); + return 0; } struct iscsi_queue_req *iscsit_get_cmd_from_response_queue(struct iscsi_conn *conn) @@ -737,21 +738,23 @@ void iscsit_free_cmd(struct iscsi_cmd *cmd, bool shutdown) { struct se_cmd *se_cmd = NULL; int rc; + bool op_scsi = false; /* * Determine if a struct se_cmd is associated with * this struct iscsi_cmd. */ switch (cmd->iscsi_opcode) { case ISCSI_OP_SCSI_CMD: - se_cmd = &cmd->se_cmd; - __iscsit_free_cmd(cmd, true, shutdown); + op_scsi = true; /* * Fallthrough */ case ISCSI_OP_SCSI_TMFUNC: - rc = transport_generic_free_cmd(&cmd->se_cmd, shutdown); - if (!rc && shutdown && se_cmd && se_cmd->se_sess) { - __iscsit_free_cmd(cmd, true, shutdown); + se_cmd = &cmd->se_cmd; + __iscsit_free_cmd(cmd, op_scsi, shutdown); + rc = transport_generic_free_cmd(se_cmd, shutdown); + if (!rc && shutdown && se_cmd->se_sess) { + __iscsit_free_cmd(cmd, op_scsi, shutdown); target_put_sess_cmd(se_cmd); } break; diff --git a/drivers/target/iscsi/iscsi_target_util.h b/drivers/target/iscsi/iscsi_target_util.h index 8ff0885..9e4197a 100644 --- a/drivers/target/iscsi/iscsi_target_util.h +++ b/drivers/target/iscsi/iscsi_target_util.h @@ -31,7 +31,7 @@ extern int iscsit_find_cmd_for_recovery(struct iscsi_session *, struct iscsi_cmd struct iscsi_conn_recovery **, itt_t); extern void iscsit_add_cmd_to_immediate_queue(struct iscsi_cmd *, struct iscsi_conn *, u8); extern struct iscsi_queue_req *iscsit_get_cmd_from_immediate_queue(struct iscsi_conn *); -extern void iscsit_add_cmd_to_response_queue(struct iscsi_cmd *, struct iscsi_conn *, u8); +extern int iscsit_add_cmd_to_response_queue(struct iscsi_cmd *, struct iscsi_conn *, u8); extern struct iscsi_queue_req *iscsit_get_cmd_from_response_queue(struct iscsi_conn *); extern void iscsit_remove_cmd_from_tx_queues(struct iscsi_cmd *, struct iscsi_conn *); extern bool iscsit_conn_all_queues_empty(struct iscsi_conn *); diff --git a/drivers/target/target_core_alua.c b/drivers/target/target_core_alua.c index f5e3300..fc4a9c3 100644 --- a/drivers/target/target_core_alua.c +++ b/drivers/target/target_core_alua.c @@ -43,7 +43,7 @@ #include "target_core_ua.h" static sense_reason_t core_alua_check_transition(int state, int valid, - int *primary); + int *primary, int explicit); static int core_alua_set_tg_pt_secondary_state( struct se_lun *lun, int explicit, int offline); @@ -197,8 +197,7 @@ target_emulate_report_target_port_groups(struct se_cmd *cmd) /* * Set the ASYMMETRIC ACCESS State */ - buf[off++] |= (atomic_read( - &tg_pt_gp->tg_pt_gp_alua_access_state) & 0xff); + buf[off++] |= tg_pt_gp->tg_pt_gp_alua_access_state & 0xff; /* * Set supported ASYMMETRIC ACCESS State bits */ @@ -335,8 +334,8 @@ target_emulate_set_target_port_groups(struct se_cmd *cmd) * the state is a primary or secondary target port asymmetric * access state. */ - rc = core_alua_check_transition(alua_access_state, - valid_states, &primary); + rc = core_alua_check_transition(alua_access_state, valid_states, + &primary, 1); if (rc) { /* * If the SET TARGET PORT GROUPS attempts to establish @@ -691,7 +690,7 @@ target_alua_state_check(struct se_cmd *cmd) if (dev->se_hba->hba_flags & HBA_FLAGS_INTERNAL_USE) return 0; - if (dev->transport->transport_flags & TRANSPORT_FLAG_PASSTHROUGH) + if (dev->transport->transport_flags & TRANSPORT_FLAG_PASSTHROUGH_ALUA) return 0; /* @@ -710,7 +709,7 @@ target_alua_state_check(struct se_cmd *cmd) spin_lock(&lun->lun_tg_pt_gp_lock); tg_pt_gp = lun->lun_tg_pt_gp; - out_alua_state = atomic_read(&tg_pt_gp->tg_pt_gp_alua_access_state); + out_alua_state = tg_pt_gp->tg_pt_gp_alua_access_state; nonop_delay_msecs = tg_pt_gp->tg_pt_gp_nonop_delay_msecs; // XXX: keeps using tg_pt_gp witout reference after unlock @@ -762,7 +761,7 @@ target_alua_state_check(struct se_cmd *cmd) * Check implicit and explicit ALUA state change request. */ static sense_reason_t -core_alua_check_transition(int state, int valid, int *primary) +core_alua_check_transition(int state, int valid, int *primary, int explicit) { /* * OPTIMIZED, NON-OPTIMIZED, STANDBY and UNAVAILABLE are @@ -804,11 +803,14 @@ core_alua_check_transition(int state, int valid, int *primary) *primary = 0; break; case ALUA_ACCESS_STATE_TRANSITION: - /* - * Transitioning is set internally, and - * cannot be selected manually. - */ - goto not_supported; + if (!(valid & ALUA_T_SUP) || explicit) + /* + * Transitioning is set internally and by tcmu daemon, + * and cannot be selected through a STPG. + */ + goto not_supported; + *primary = 0; + break; default: pr_err("Unknown ALUA access state: 0x%02x\n", state); return TCM_INVALID_PARAMETER_LIST; @@ -908,7 +910,7 @@ static int core_alua_write_tpg_metadata( } /* - * Called with tg_pt_gp->tg_pt_gp_md_mutex held + * Called with tg_pt_gp->tg_pt_gp_transition_mutex held */ static int core_alua_update_tpg_primary_metadata( struct t10_alua_tg_pt_gp *tg_pt_gp) @@ -931,7 +933,7 @@ static int core_alua_update_tpg_primary_metadata( "alua_access_state=0x%02x\n" "alua_access_status=0x%02x\n", tg_pt_gp->tg_pt_gp_id, - tg_pt_gp->tg_pt_gp_alua_pending_state, + tg_pt_gp->tg_pt_gp_alua_access_state, tg_pt_gp->tg_pt_gp_alua_access_status); snprintf(path, ALUA_METADATA_PATH_LEN, @@ -1010,100 +1012,42 @@ static void core_alua_queue_state_change_ua(struct t10_alua_tg_pt_gp *tg_pt_gp) spin_unlock(&tg_pt_gp->tg_pt_gp_lock); } -static void core_alua_do_transition_tg_pt_work(struct work_struct *work) -{ - struct t10_alua_tg_pt_gp *tg_pt_gp = container_of(work, - struct t10_alua_tg_pt_gp, tg_pt_gp_transition_work.work); - struct se_device *dev = tg_pt_gp->tg_pt_gp_dev; - bool explicit = (tg_pt_gp->tg_pt_gp_alua_access_status == - ALUA_STATUS_ALTERED_BY_EXPLICIT_STPG); - - /* - * Update the ALUA metadata buf that has been allocated in - * core_alua_do_port_transition(), this metadata will be written - * to struct file. - * - * Note that there is the case where we do not want to update the - * metadata when the saved metadata is being parsed in userspace - * when setting the existing port access state and access status. - * - * Also note that the failure to write out the ALUA metadata to - * struct file does NOT affect the actual ALUA transition. - */ - if (tg_pt_gp->tg_pt_gp_write_metadata) { - mutex_lock(&tg_pt_gp->tg_pt_gp_md_mutex); - core_alua_update_tpg_primary_metadata(tg_pt_gp); - mutex_unlock(&tg_pt_gp->tg_pt_gp_md_mutex); - } - /* - * Set the current primary ALUA access state to the requested new state - */ - atomic_set(&tg_pt_gp->tg_pt_gp_alua_access_state, - tg_pt_gp->tg_pt_gp_alua_pending_state); - - pr_debug("Successful %s ALUA transition TG PT Group: %s ID: %hu" - " from primary access state %s to %s\n", (explicit) ? "explicit" : - "implicit", config_item_name(&tg_pt_gp->tg_pt_gp_group.cg_item), - tg_pt_gp->tg_pt_gp_id, - core_alua_dump_state(tg_pt_gp->tg_pt_gp_alua_previous_state), - core_alua_dump_state(tg_pt_gp->tg_pt_gp_alua_pending_state)); - - core_alua_queue_state_change_ua(tg_pt_gp); - - spin_lock(&dev->t10_alua.tg_pt_gps_lock); - atomic_dec(&tg_pt_gp->tg_pt_gp_ref_cnt); - spin_unlock(&dev->t10_alua.tg_pt_gps_lock); - - if (tg_pt_gp->tg_pt_gp_transition_complete) - complete(tg_pt_gp->tg_pt_gp_transition_complete); -} - static int core_alua_do_transition_tg_pt( struct t10_alua_tg_pt_gp *tg_pt_gp, int new_state, int explicit) { - struct se_device *dev = tg_pt_gp->tg_pt_gp_dev; - DECLARE_COMPLETION_ONSTACK(wait); + int prev_state; + mutex_lock(&tg_pt_gp->tg_pt_gp_transition_mutex); /* Nothing to be done here */ - if (atomic_read(&tg_pt_gp->tg_pt_gp_alua_access_state) == new_state) + if (tg_pt_gp->tg_pt_gp_alua_access_state == new_state) { + mutex_unlock(&tg_pt_gp->tg_pt_gp_transition_mutex); return 0; + } - if (new_state == ALUA_ACCESS_STATE_TRANSITION) + if (explicit && new_state == ALUA_ACCESS_STATE_TRANSITION) { + mutex_unlock(&tg_pt_gp->tg_pt_gp_transition_mutex); return -EAGAIN; - - /* - * Flush any pending transitions - */ - if (!explicit && tg_pt_gp->tg_pt_gp_implicit_trans_secs && - atomic_read(&tg_pt_gp->tg_pt_gp_alua_access_state) == - ALUA_ACCESS_STATE_TRANSITION) { - /* Just in case */ - tg_pt_gp->tg_pt_gp_alua_pending_state = new_state; - tg_pt_gp->tg_pt_gp_transition_complete = &wait; - flush_delayed_work(&tg_pt_gp->tg_pt_gp_transition_work); - wait_for_completion(&wait); - tg_pt_gp->tg_pt_gp_transition_complete = NULL; - return 0; } /* * Save the old primary ALUA access state, and set the current state * to ALUA_ACCESS_STATE_TRANSITION. */ - tg_pt_gp->tg_pt_gp_alua_previous_state = - atomic_read(&tg_pt_gp->tg_pt_gp_alua_access_state); - tg_pt_gp->tg_pt_gp_alua_pending_state = new_state; - - atomic_set(&tg_pt_gp->tg_pt_gp_alua_access_state, - ALUA_ACCESS_STATE_TRANSITION); + prev_state = tg_pt_gp->tg_pt_gp_alua_access_state; + tg_pt_gp->tg_pt_gp_alua_access_state = ALUA_ACCESS_STATE_TRANSITION; tg_pt_gp->tg_pt_gp_alua_access_status = (explicit) ? ALUA_STATUS_ALTERED_BY_EXPLICIT_STPG : ALUA_STATUS_ALTERED_BY_IMPLICIT_ALUA; core_alua_queue_state_change_ua(tg_pt_gp); + if (new_state == ALUA_ACCESS_STATE_TRANSITION) { + mutex_unlock(&tg_pt_gp->tg_pt_gp_transition_mutex); + return 0; + } + /* * Check for the optional ALUA primary state transition delay */ @@ -1111,27 +1055,36 @@ static int core_alua_do_transition_tg_pt( msleep_interruptible(tg_pt_gp->tg_pt_gp_trans_delay_msecs); /* - * Take a reference for workqueue item + * Set the current primary ALUA access state to the requested new state */ - spin_lock(&dev->t10_alua.tg_pt_gps_lock); - atomic_inc(&tg_pt_gp->tg_pt_gp_ref_cnt); - spin_unlock(&dev->t10_alua.tg_pt_gps_lock); + tg_pt_gp->tg_pt_gp_alua_access_state = new_state; - if (!explicit && tg_pt_gp->tg_pt_gp_implicit_trans_secs) { - unsigned long transition_tmo; - - transition_tmo = tg_pt_gp->tg_pt_gp_implicit_trans_secs * HZ; - queue_delayed_work(tg_pt_gp->tg_pt_gp_dev->tmr_wq, - &tg_pt_gp->tg_pt_gp_transition_work, - transition_tmo); - } else { - tg_pt_gp->tg_pt_gp_transition_complete = &wait; - queue_delayed_work(tg_pt_gp->tg_pt_gp_dev->tmr_wq, - &tg_pt_gp->tg_pt_gp_transition_work, 0); - wait_for_completion(&wait); - tg_pt_gp->tg_pt_gp_transition_complete = NULL; + /* + * Update the ALUA metadata buf that has been allocated in + * core_alua_do_port_transition(), this metadata will be written + * to struct file. + * + * Note that there is the case where we do not want to update the + * metadata when the saved metadata is being parsed in userspace + * when setting the existing port access state and access status. + * + * Also note that the failure to write out the ALUA metadata to + * struct file does NOT affect the actual ALUA transition. + */ + if (tg_pt_gp->tg_pt_gp_write_metadata) { + core_alua_update_tpg_primary_metadata(tg_pt_gp); } + pr_debug("Successful %s ALUA transition TG PT Group: %s ID: %hu" + " from primary access state %s to %s\n", (explicit) ? "explicit" : + "implicit", config_item_name(&tg_pt_gp->tg_pt_gp_group.cg_item), + tg_pt_gp->tg_pt_gp_id, + core_alua_dump_state(prev_state), + core_alua_dump_state(new_state)); + + core_alua_queue_state_change_ua(tg_pt_gp); + + mutex_unlock(&tg_pt_gp->tg_pt_gp_transition_mutex); return 0; } @@ -1149,8 +1102,12 @@ int core_alua_do_port_transition( struct t10_alua_tg_pt_gp *tg_pt_gp; int primary, valid_states, rc = 0; + if (l_dev->transport->transport_flags & TRANSPORT_FLAG_PASSTHROUGH_ALUA) + return -ENODEV; + valid_states = l_tg_pt_gp->tg_pt_gp_alua_supported_states; - if (core_alua_check_transition(new_state, valid_states, &primary) != 0) + if (core_alua_check_transition(new_state, valid_states, &primary, + explicit) != 0) return -EINVAL; local_lu_gp_mem = l_dev->dev_alua_lu_gp_mem; @@ -1692,14 +1649,12 @@ struct t10_alua_tg_pt_gp *core_alua_allocate_tg_pt_gp(struct se_device *dev, } INIT_LIST_HEAD(&tg_pt_gp->tg_pt_gp_list); INIT_LIST_HEAD(&tg_pt_gp->tg_pt_gp_lun_list); - mutex_init(&tg_pt_gp->tg_pt_gp_md_mutex); + mutex_init(&tg_pt_gp->tg_pt_gp_transition_mutex); spin_lock_init(&tg_pt_gp->tg_pt_gp_lock); atomic_set(&tg_pt_gp->tg_pt_gp_ref_cnt, 0); - INIT_DELAYED_WORK(&tg_pt_gp->tg_pt_gp_transition_work, - core_alua_do_transition_tg_pt_work); tg_pt_gp->tg_pt_gp_dev = dev; - atomic_set(&tg_pt_gp->tg_pt_gp_alua_access_state, - ALUA_ACCESS_STATE_ACTIVE_OPTIMIZED); + tg_pt_gp->tg_pt_gp_alua_access_state = + ALUA_ACCESS_STATE_ACTIVE_OPTIMIZED; /* * Enable both explicit and implicit ALUA support by default */ @@ -1804,8 +1759,6 @@ void core_alua_free_tg_pt_gp( dev->t10_alua.alua_tg_pt_gps_counter--; spin_unlock(&dev->t10_alua.tg_pt_gps_lock); - flush_delayed_work(&tg_pt_gp->tg_pt_gp_transition_work); - /* * Allow a struct t10_alua_tg_pt_gp_member * referenced by * core_alua_get_tg_pt_gp_by_name() in @@ -1945,8 +1898,8 @@ ssize_t core_alua_show_tg_pt_gp_info(struct se_lun *lun, char *page) "Primary Access Status: %s\nTG Port Secondary Access" " State: %s\nTG Port Secondary Access Status: %s\n", config_item_name(tg_pt_ci), tg_pt_gp->tg_pt_gp_id, - core_alua_dump_state(atomic_read( - &tg_pt_gp->tg_pt_gp_alua_access_state)), + core_alua_dump_state( + tg_pt_gp->tg_pt_gp_alua_access_state), core_alua_dump_status( tg_pt_gp->tg_pt_gp_alua_access_status), atomic_read(&lun->lun_tg_pt_secondary_offline) ? @@ -1973,7 +1926,7 @@ ssize_t core_alua_store_tg_pt_gp_info( unsigned char buf[TG_PT_GROUP_NAME_BUF]; int move = 0; - if (dev->transport->transport_flags & TRANSPORT_FLAG_PASSTHROUGH || + if (dev->transport->transport_flags & TRANSPORT_FLAG_PASSTHROUGH_ALUA || (dev->se_hba->hba_flags & HBA_FLAGS_INTERNAL_USE)) return -ENODEV; @@ -2230,7 +2183,7 @@ ssize_t core_alua_store_offline_bit( unsigned long tmp; int ret; - if (dev->transport->transport_flags & TRANSPORT_FLAG_PASSTHROUGH || + if (dev->transport->transport_flags & TRANSPORT_FLAG_PASSTHROUGH_ALUA || (dev->se_hba->hba_flags & HBA_FLAGS_INTERNAL_USE)) return -ENODEV; @@ -2316,7 +2269,8 @@ ssize_t core_alua_store_secondary_write_metadata( int core_setup_alua(struct se_device *dev) { - if (!(dev->transport->transport_flags & TRANSPORT_FLAG_PASSTHROUGH) && + if (!(dev->transport->transport_flags & + TRANSPORT_FLAG_PASSTHROUGH_ALUA) && !(dev->se_hba->hba_flags & HBA_FLAGS_INTERNAL_USE)) { struct t10_alua_lu_gp_member *lu_gp_mem; diff --git a/drivers/target/target_core_configfs.c b/drivers/target/target_core_configfs.c index 54b36c9..70657fd 100644 --- a/drivers/target/target_core_configfs.c +++ b/drivers/target/target_core_configfs.c @@ -421,6 +421,10 @@ static int target_fabric_tf_ops_check(const struct target_core_fabric_ops *tfo) pr_err("Missing tfo->aborted_task()\n"); return -EINVAL; } + if (!tfo->check_stop_free) { + pr_err("Missing tfo->check_stop_free()\n"); + return -EINVAL; + } /* * We at least require tfo->fabric_make_wwn(), tfo->fabric_drop_wwn() * tfo->fabric_make_tpg() and tfo->fabric_drop_tpg() in @@ -2388,7 +2392,7 @@ static ssize_t target_tg_pt_gp_alua_access_state_show(struct config_item *item, char *page) { return sprintf(page, "%d\n", - atomic_read(&to_tg_pt_gp(item)->tg_pt_gp_alua_access_state)); + to_tg_pt_gp(item)->tg_pt_gp_alua_access_state); } static ssize_t target_tg_pt_gp_alua_access_state_store(struct config_item *item, diff --git a/drivers/target/target_core_fabric_configfs.c b/drivers/target/target_core_fabric_configfs.c index d8a16ca..d1e6cab 100644 --- a/drivers/target/target_core_fabric_configfs.c +++ b/drivers/target/target_core_fabric_configfs.c @@ -92,6 +92,11 @@ static int target_fabric_mappedlun_link( pr_err("Source se_lun->lun_se_dev does not exist\n"); return -EINVAL; } + if (lun->lun_shutdown) { + pr_err("Unable to create mappedlun symlink because" + " lun->lun_shutdown=true\n"); + return -EINVAL; + } se_tpg = lun->lun_tpg; nacl_ci = &lun_acl_ci->ci_parent->ci_group->cg_item; diff --git a/drivers/target/target_core_pscsi.c b/drivers/target/target_core_pscsi.c index a8f8e53..94cda79 100644 --- a/drivers/target/target_core_pscsi.c +++ b/drivers/target/target_core_pscsi.c @@ -154,7 +154,7 @@ static void pscsi_tape_read_blocksize(struct se_device *dev, buf = kzalloc(12, GFP_KERNEL); if (!buf) - return; + goto out_free; memset(cdb, 0, MAX_COMMAND_SIZE); cdb[0] = MODE_SENSE; @@ -169,9 +169,10 @@ static void pscsi_tape_read_blocksize(struct se_device *dev, * If MODE_SENSE still returns zero, set the default value to 1024. */ sdev->sector_size = (buf[9] << 16) | (buf[10] << 8) | (buf[11]); +out_free: if (!sdev->sector_size) sdev->sector_size = 1024; -out_free: + kfree(buf); } @@ -314,9 +315,10 @@ static int pscsi_add_device_to_list(struct se_device *dev, sd->lun, sd->queue_depth); } - dev->dev_attrib.hw_block_size = sd->sector_size; + dev->dev_attrib.hw_block_size = + min_not_zero((int)sd->sector_size, 512); dev->dev_attrib.hw_max_sectors = - min_t(int, sd->host->max_sectors, queue_max_hw_sectors(q)); + min_not_zero(sd->host->max_sectors, queue_max_hw_sectors(q)); dev->dev_attrib.hw_queue_depth = sd->queue_depth; /* @@ -339,8 +341,10 @@ static int pscsi_add_device_to_list(struct se_device *dev, /* * For TYPE_TAPE, attempt to determine blocksize with MODE_SENSE. */ - if (sd->type == TYPE_TAPE) + if (sd->type == TYPE_TAPE) { pscsi_tape_read_blocksize(dev, sd); + dev->dev_attrib.hw_block_size = sd->sector_size; + } return 0; } @@ -406,7 +410,7 @@ static int pscsi_create_type_disk(struct se_device *dev, struct scsi_device *sd) /* * Called with struct Scsi_Host->host_lock called. */ -static int pscsi_create_type_rom(struct se_device *dev, struct scsi_device *sd) +static int pscsi_create_type_nondisk(struct se_device *dev, struct scsi_device *sd) __releases(sh->host_lock) { struct pscsi_hba_virt *phv = dev->se_hba->hba_ptr; @@ -433,28 +437,6 @@ static int pscsi_create_type_rom(struct se_device *dev, struct scsi_device *sd) return 0; } -/* - * Called with struct Scsi_Host->host_lock called. - */ -static int pscsi_create_type_other(struct se_device *dev, - struct scsi_device *sd) - __releases(sh->host_lock) -{ - struct pscsi_hba_virt *phv = dev->se_hba->hba_ptr; - struct Scsi_Host *sh = sd->host; - int ret; - - spin_unlock_irq(sh->host_lock); - ret = pscsi_add_device_to_list(dev, sd); - if (ret) - return ret; - - pr_debug("CORE_PSCSI[%d] - Added Type: %s for %d:%d:%d:%llu\n", - phv->phv_host_id, scsi_device_type(sd->type), sh->host_no, - sd->channel, sd->id, sd->lun); - return 0; -} - static int pscsi_configure_device(struct se_device *dev) { struct se_hba *hba = dev->se_hba; @@ -542,11 +524,8 @@ static int pscsi_configure_device(struct se_device *dev) case TYPE_DISK: ret = pscsi_create_type_disk(dev, sd); break; - case TYPE_ROM: - ret = pscsi_create_type_rom(dev, sd); - break; default: - ret = pscsi_create_type_other(dev, sd); + ret = pscsi_create_type_nondisk(dev, sd); break; } @@ -611,8 +590,7 @@ static void pscsi_free_device(struct se_device *dev) else if (pdv->pdv_lld_host) scsi_host_put(pdv->pdv_lld_host); - if ((sd->type == TYPE_DISK) || (sd->type == TYPE_ROM)) - scsi_device_put(sd); + scsi_device_put(sd); pdv->pdv_sd = NULL; } @@ -1064,7 +1042,6 @@ static sector_t pscsi_get_blocks(struct se_device *dev) if (pdv->pdv_bd && pdv->pdv_bd->bd_part) return pdv->pdv_bd->bd_part->nr_sects; - dump_stack(); return 0; } @@ -1103,7 +1080,8 @@ static void pscsi_req_done(struct request *req, int uptodate) static const struct target_backend_ops pscsi_ops = { .name = "pscsi", .owner = THIS_MODULE, - .transport_flags = TRANSPORT_FLAG_PASSTHROUGH, + .transport_flags = TRANSPORT_FLAG_PASSTHROUGH | + TRANSPORT_FLAG_PASSTHROUGH_ALUA, .attach_hba = pscsi_attach_hba, .detach_hba = pscsi_detach_hba, .pmode_enable_hba = pscsi_pmode_enable_hba, diff --git a/drivers/target/target_core_sbc.c b/drivers/target/target_core_sbc.c index 68d8aef..c194063 100644 --- a/drivers/target/target_core_sbc.c +++ b/drivers/target/target_core_sbc.c @@ -1105,9 +1105,15 @@ sbc_parse_cdb(struct se_cmd *cmd, struct sbc_ops *ops) return ret; break; case VERIFY: + case VERIFY_16: size = 0; - sectors = transport_get_sectors_10(cdb); - cmd->t_task_lba = transport_lba_32(cdb); + if (cdb[0] == VERIFY) { + sectors = transport_get_sectors_10(cdb); + cmd->t_task_lba = transport_lba_32(cdb); + } else { + sectors = transport_get_sectors_16(cdb); + cmd->t_task_lba = transport_lba_64(cdb); + } cmd->execute_cmd = sbc_emulate_noop; goto check_lba; case REZERO_UNIT: diff --git a/drivers/target/target_core_tpg.c b/drivers/target/target_core_tpg.c index c0dbfa0..dfaef4d 100644 --- a/drivers/target/target_core_tpg.c +++ b/drivers/target/target_core_tpg.c @@ -602,7 +602,8 @@ int core_tpg_add_lun( if (ret) goto out_kill_ref; - if (!(dev->transport->transport_flags & TRANSPORT_FLAG_PASSTHROUGH) && + if (!(dev->transport->transport_flags & + TRANSPORT_FLAG_PASSTHROUGH_ALUA) && !(dev->se_hba->hba_flags & HBA_FLAGS_INTERNAL_USE)) target_attach_tg_pt_gp(lun, dev->t10_alua.default_tg_pt_gp); @@ -641,6 +642,8 @@ void core_tpg_remove_lun( */ struct se_device *dev = rcu_dereference_raw(lun->lun_se_dev); + lun->lun_shutdown = true; + core_clear_lun_from_tpg(lun, tpg); /* * Wait for any active I/O references to percpu se_lun->lun_ref to @@ -662,6 +665,8 @@ void core_tpg_remove_lun( } if (!(dev->se_hba->hba_flags & HBA_FLAGS_INTERNAL_USE)) hlist_del_rcu(&lun->link); + + lun->lun_shutdown = false; mutex_unlock(&tpg->tpg_lun_mutex); percpu_ref_exit(&lun->lun_ref); diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c index 434d9d6..a0cd56e 100644 --- a/drivers/target/target_core_transport.c +++ b/drivers/target/target_core_transport.c @@ -64,8 +64,9 @@ struct kmem_cache *t10_alua_lba_map_cache; struct kmem_cache *t10_alua_lba_map_mem_cache; static void transport_complete_task_attr(struct se_cmd *cmd); +static int translate_sense_reason(struct se_cmd *cmd, sense_reason_t reason); static void transport_handle_queue_full(struct se_cmd *cmd, - struct se_device *dev); + struct se_device *dev, int err, bool write_pending); static int transport_put_cmd(struct se_cmd *cmd); static void target_complete_ok_work(struct work_struct *work); @@ -636,8 +637,7 @@ static int transport_cmd_check_stop_to_fabric(struct se_cmd *cmd) * Fabric modules are expected to return '1' here if the se_cmd being * passed is released at this point, or zero if not being released. */ - return cmd->se_tfo->check_stop_free ? cmd->se_tfo->check_stop_free(cmd) - : 0; + return cmd->se_tfo->check_stop_free(cmd); } static void transport_lun_remove_cmd(struct se_cmd *cmd) @@ -805,7 +805,8 @@ void target_qf_do_work(struct work_struct *work) if (cmd->t_state == TRANSPORT_COMPLETE_QF_WP) transport_write_pending_qf(cmd); - else if (cmd->t_state == TRANSPORT_COMPLETE_QF_OK) + else if (cmd->t_state == TRANSPORT_COMPLETE_QF_OK || + cmd->t_state == TRANSPORT_COMPLETE_QF_ERR) transport_complete_qf(cmd); } } @@ -1720,7 +1721,7 @@ void transport_generic_request_failure(struct se_cmd *cmd, } trace_target_cmd_complete(cmd); ret = cmd->se_tfo->queue_status(cmd); - if (ret == -EAGAIN || ret == -ENOMEM) + if (ret) goto queue_full; goto check_stop; default: @@ -1731,7 +1732,7 @@ void transport_generic_request_failure(struct se_cmd *cmd, } ret = transport_send_check_condition_and_sense(cmd, sense_reason, 0); - if (ret == -EAGAIN || ret == -ENOMEM) + if (ret) goto queue_full; check_stop: @@ -1740,8 +1741,7 @@ check_stop: return; queue_full: - cmd->t_state = TRANSPORT_COMPLETE_QF_OK; - transport_handle_queue_full(cmd, cmd->se_dev); + transport_handle_queue_full(cmd, cmd->se_dev, ret, false); } EXPORT_SYMBOL(transport_generic_request_failure); @@ -1978,13 +1978,29 @@ static void transport_complete_qf(struct se_cmd *cmd) int ret = 0; transport_complete_task_attr(cmd); + /* + * If a fabric driver ->write_pending() or ->queue_data_in() callback + * has returned neither -ENOMEM or -EAGAIN, assume it's fatal and + * the same callbacks should not be retried. Return CHECK_CONDITION + * if a scsi_status is not already set. + * + * If a fabric driver ->queue_status() has returned non zero, always + * keep retrying no matter what.. + */ + if (cmd->t_state == TRANSPORT_COMPLETE_QF_ERR) { + if (cmd->scsi_status) + goto queue_status; - if (cmd->se_cmd_flags & SCF_TRANSPORT_TASK_SENSE) { - trace_target_cmd_complete(cmd); - ret = cmd->se_tfo->queue_status(cmd); - goto out; + cmd->se_cmd_flags |= SCF_EMULATED_TASK_SENSE; + cmd->scsi_status = SAM_STAT_CHECK_CONDITION; + cmd->scsi_sense_length = TRANSPORT_SENSE_BUFFER; + translate_sense_reason(cmd, TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE); + goto queue_status; } + if (cmd->se_cmd_flags & SCF_TRANSPORT_TASK_SENSE) + goto queue_status; + switch (cmd->data_direction) { case DMA_FROM_DEVICE: if (cmd->scsi_status) @@ -2008,19 +2024,33 @@ queue_status: break; } -out: if (ret < 0) { - transport_handle_queue_full(cmd, cmd->se_dev); + transport_handle_queue_full(cmd, cmd->se_dev, ret, false); return; } transport_lun_remove_cmd(cmd); transport_cmd_check_stop_to_fabric(cmd); } -static void transport_handle_queue_full( - struct se_cmd *cmd, - struct se_device *dev) +static void transport_handle_queue_full(struct se_cmd *cmd, struct se_device *dev, + int err, bool write_pending) { + /* + * -EAGAIN or -ENOMEM signals retry of ->write_pending() and/or + * ->queue_data_in() callbacks from new process context. + * + * Otherwise for other errors, transport_complete_qf() will send + * CHECK_CONDITION via ->queue_status() instead of attempting to + * retry associated fabric driver data-transfer callbacks. + */ + if (err == -EAGAIN || err == -ENOMEM) { + cmd->t_state = (write_pending) ? TRANSPORT_COMPLETE_QF_WP : + TRANSPORT_COMPLETE_QF_OK; + } else { + pr_warn_ratelimited("Got unknown fabric queue status: %d\n", err); + cmd->t_state = TRANSPORT_COMPLETE_QF_ERR; + } + spin_lock_irq(&dev->qf_cmd_lock); list_add_tail(&cmd->se_qf_node, &cmd->se_dev->qf_cmd_list); atomic_inc_mb(&dev->dev_qf_count); @@ -2084,7 +2114,7 @@ static void target_complete_ok_work(struct work_struct *work) WARN_ON(!cmd->scsi_status); ret = transport_send_check_condition_and_sense( cmd, 0, 1); - if (ret == -EAGAIN || ret == -ENOMEM) + if (ret) goto queue_full; transport_lun_remove_cmd(cmd); @@ -2110,7 +2140,7 @@ static void target_complete_ok_work(struct work_struct *work) } else if (rc) { ret = transport_send_check_condition_and_sense(cmd, rc, 0); - if (ret == -EAGAIN || ret == -ENOMEM) + if (ret) goto queue_full; transport_lun_remove_cmd(cmd); @@ -2135,7 +2165,7 @@ queue_rsp: if (target_read_prot_action(cmd)) { ret = transport_send_check_condition_and_sense(cmd, cmd->pi_err, 0); - if (ret == -EAGAIN || ret == -ENOMEM) + if (ret) goto queue_full; transport_lun_remove_cmd(cmd); @@ -2145,7 +2175,7 @@ queue_rsp: trace_target_cmd_complete(cmd); ret = cmd->se_tfo->queue_data_in(cmd); - if (ret == -EAGAIN || ret == -ENOMEM) + if (ret) goto queue_full; break; case DMA_TO_DEVICE: @@ -2158,7 +2188,7 @@ queue_rsp: atomic_long_add(cmd->data_length, &cmd->se_lun->lun_stats.tx_data_octets); ret = cmd->se_tfo->queue_data_in(cmd); - if (ret == -EAGAIN || ret == -ENOMEM) + if (ret) goto queue_full; break; } @@ -2167,7 +2197,7 @@ queue_rsp: queue_status: trace_target_cmd_complete(cmd); ret = cmd->se_tfo->queue_status(cmd); - if (ret == -EAGAIN || ret == -ENOMEM) + if (ret) goto queue_full; break; default: @@ -2181,8 +2211,8 @@ queue_status: queue_full: pr_debug("Handling complete_ok QUEUE_FULL: se_cmd: %p," " data_direction: %d\n", cmd, cmd->data_direction); - cmd->t_state = TRANSPORT_COMPLETE_QF_OK; - transport_handle_queue_full(cmd, cmd->se_dev); + + transport_handle_queue_full(cmd, cmd->se_dev, ret, false); } void target_free_sgl(struct scatterlist *sgl, int nents) @@ -2450,18 +2480,14 @@ transport_generic_new_cmd(struct se_cmd *cmd) spin_unlock_irqrestore(&cmd->t_state_lock, flags); ret = cmd->se_tfo->write_pending(cmd); - if (ret == -EAGAIN || ret == -ENOMEM) + if (ret) goto queue_full; - /* fabric drivers should only return -EAGAIN or -ENOMEM as error */ - WARN_ON(ret); - - return (!ret) ? 0 : TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE; + return 0; queue_full: pr_debug("Handling write_pending QUEUE__FULL: se_cmd: %p\n", cmd); - cmd->t_state = TRANSPORT_COMPLETE_QF_WP; - transport_handle_queue_full(cmd, cmd->se_dev); + transport_handle_queue_full(cmd, cmd->se_dev, ret, true); return 0; } EXPORT_SYMBOL(transport_generic_new_cmd); @@ -2471,10 +2497,10 @@ static void transport_write_pending_qf(struct se_cmd *cmd) int ret; ret = cmd->se_tfo->write_pending(cmd); - if (ret == -EAGAIN || ret == -ENOMEM) { + if (ret) { pr_debug("Handling write_pending QUEUE__FULL: se_cmd: %p\n", cmd); - transport_handle_queue_full(cmd, cmd->se_dev); + transport_handle_queue_full(cmd, cmd->se_dev, ret, true); } } @@ -3012,6 +3038,8 @@ static int __transport_check_aborted_status(struct se_cmd *cmd, int send_status) __releases(&cmd->t_state_lock) __acquires(&cmd->t_state_lock) { + int ret; + assert_spin_locked(&cmd->t_state_lock); WARN_ON_ONCE(!irqs_disabled()); @@ -3035,7 +3063,9 @@ static int __transport_check_aborted_status(struct se_cmd *cmd, int send_status) trace_target_cmd_complete(cmd); spin_unlock_irq(&cmd->t_state_lock); - cmd->se_tfo->queue_status(cmd); + ret = cmd->se_tfo->queue_status(cmd); + if (ret) + transport_handle_queue_full(cmd, cmd->se_dev, ret, false); spin_lock_irq(&cmd->t_state_lock); return 1; @@ -3056,6 +3086,7 @@ EXPORT_SYMBOL(transport_check_aborted_status); void transport_send_task_abort(struct se_cmd *cmd) { unsigned long flags; + int ret; spin_lock_irqsave(&cmd->t_state_lock, flags); if (cmd->se_cmd_flags & (SCF_SENT_CHECK_CONDITION)) { @@ -3091,7 +3122,9 @@ send_abort: cmd->t_task_cdb[0], cmd->tag); trace_target_cmd_complete(cmd); - cmd->se_tfo->queue_status(cmd); + ret = cmd->se_tfo->queue_status(cmd); + if (ret) + transport_handle_queue_full(cmd, cmd->se_dev, ret, false); } static void target_tmr_work(struct work_struct *work) diff --git a/drivers/target/target_core_user.c b/drivers/target/target_core_user.c index c3adefe..f615c3b 100644 --- a/drivers/target/target_core_user.c +++ b/drivers/target/target_core_user.c @@ -28,6 +28,7 @@ #include <linux/stringify.h> #include <linux/bitops.h> #include <linux/highmem.h> +#include <linux/configfs.h> #include <net/genetlink.h> #include <scsi/scsi_common.h> #include <scsi/scsi_proto.h> @@ -112,6 +113,7 @@ struct tcmu_dev { spinlock_t commands_lock; struct timer_list timeout; + unsigned int cmd_time_out; char dev_config[TCMU_CONFIG_LEN]; }; @@ -172,7 +174,9 @@ static struct tcmu_cmd *tcmu_alloc_cmd(struct se_cmd *se_cmd) tcmu_cmd->se_cmd = se_cmd; tcmu_cmd->tcmu_dev = udev; - tcmu_cmd->deadline = jiffies + msecs_to_jiffies(TCMU_TIME_OUT); + if (udev->cmd_time_out) + tcmu_cmd->deadline = jiffies + + msecs_to_jiffies(udev->cmd_time_out); idr_preload(GFP_KERNEL); spin_lock_irq(&udev->commands_lock); @@ -307,24 +311,50 @@ static void free_data_area(struct tcmu_dev *udev, struct tcmu_cmd *cmd) DATA_BLOCK_BITS); } -static void gather_data_area(struct tcmu_dev *udev, unsigned long *cmd_bitmap, - struct scatterlist *data_sg, unsigned int data_nents) +static void gather_data_area(struct tcmu_dev *udev, struct tcmu_cmd *cmd, + bool bidi) { + struct se_cmd *se_cmd = cmd->se_cmd; int i, block; int block_remaining = 0; void *from, *to; size_t copy_bytes, from_offset; - struct scatterlist *sg; + struct scatterlist *sg, *data_sg; + unsigned int data_nents; + DECLARE_BITMAP(bitmap, DATA_BLOCK_BITS); + + bitmap_copy(bitmap, cmd->data_bitmap, DATA_BLOCK_BITS); + + if (!bidi) { + data_sg = se_cmd->t_data_sg; + data_nents = se_cmd->t_data_nents; + } else { + uint32_t count; + + /* + * For bidi case, the first count blocks are for Data-Out + * buffer blocks, and before gathering the Data-In buffer + * the Data-Out buffer blocks should be discarded. + */ + count = DIV_ROUND_UP(se_cmd->data_length, DATA_BLOCK_SIZE); + while (count--) { + block = find_first_bit(bitmap, DATA_BLOCK_BITS); + clear_bit(block, bitmap); + } + + data_sg = se_cmd->t_bidi_data_sg; + data_nents = se_cmd->t_bidi_data_nents; + } for_each_sg(data_sg, sg, data_nents, i) { int sg_remaining = sg->length; to = kmap_atomic(sg_page(sg)) + sg->offset; while (sg_remaining > 0) { if (block_remaining == 0) { - block = find_first_bit(cmd_bitmap, + block = find_first_bit(bitmap, DATA_BLOCK_BITS); block_remaining = DATA_BLOCK_SIZE; - clear_bit(block, cmd_bitmap); + clear_bit(block, bitmap); } copy_bytes = min_t(size_t, sg_remaining, block_remaining); @@ -390,6 +420,27 @@ static bool is_ring_space_avail(struct tcmu_dev *udev, size_t cmd_size, size_t d return true; } +static inline size_t tcmu_cmd_get_data_length(struct tcmu_cmd *tcmu_cmd) +{ + struct se_cmd *se_cmd = tcmu_cmd->se_cmd; + size_t data_length = round_up(se_cmd->data_length, DATA_BLOCK_SIZE); + + if (se_cmd->se_cmd_flags & SCF_BIDI) { + BUG_ON(!(se_cmd->t_bidi_data_sg && se_cmd->t_bidi_data_nents)); + data_length += round_up(se_cmd->t_bidi_data_sg->length, + DATA_BLOCK_SIZE); + } + + return data_length; +} + +static inline uint32_t tcmu_cmd_get_block_cnt(struct tcmu_cmd *tcmu_cmd) +{ + size_t data_length = tcmu_cmd_get_data_length(tcmu_cmd); + + return data_length / DATA_BLOCK_SIZE; +} + static sense_reason_t tcmu_queue_cmd_ring(struct tcmu_cmd *tcmu_cmd) { @@ -403,7 +454,7 @@ tcmu_queue_cmd_ring(struct tcmu_cmd *tcmu_cmd) uint32_t cmd_head; uint64_t cdb_off; bool copy_to_data_area; - size_t data_length; + size_t data_length = tcmu_cmd_get_data_length(tcmu_cmd); DECLARE_BITMAP(old_bitmap, DATA_BLOCK_BITS); if (test_bit(TCMU_DEV_BIT_BROKEN, &udev->flags)) @@ -417,8 +468,7 @@ tcmu_queue_cmd_ring(struct tcmu_cmd *tcmu_cmd) * expensive to tell how many regions are freed in the bitmap */ base_command_size = max(offsetof(struct tcmu_cmd_entry, - req.iov[se_cmd->t_bidi_data_nents + - se_cmd->t_data_nents]), + req.iov[tcmu_cmd_get_block_cnt(tcmu_cmd)]), sizeof(struct tcmu_cmd_entry)); command_size = base_command_size + round_up(scsi_command_size(se_cmd->t_task_cdb), TCMU_OP_ALIGN_SIZE); @@ -429,11 +479,6 @@ tcmu_queue_cmd_ring(struct tcmu_cmd *tcmu_cmd) mb = udev->mb_addr; cmd_head = mb->cmd_head % udev->cmdr_size; /* UAM */ - data_length = se_cmd->data_length; - if (se_cmd->se_cmd_flags & SCF_BIDI) { - BUG_ON(!(se_cmd->t_bidi_data_sg && se_cmd->t_bidi_data_nents)); - data_length += se_cmd->t_bidi_data_sg->length; - } if ((command_size > (udev->cmdr_size / 2)) || data_length > udev->data_size) { pr_warn("TCMU: Request of size %zu/%zu is too big for %u/%zu " @@ -451,7 +496,11 @@ tcmu_queue_cmd_ring(struct tcmu_cmd *tcmu_cmd) pr_debug("sleeping for ring space\n"); spin_unlock_irq(&udev->cmdr_lock); - ret = schedule_timeout(msecs_to_jiffies(TCMU_TIME_OUT)); + if (udev->cmd_time_out) + ret = schedule_timeout( + msecs_to_jiffies(udev->cmd_time_out)); + else + ret = schedule_timeout(msecs_to_jiffies(TCMU_TIME_OUT)); finish_wait(&udev->wait_cmdr, &__wait); if (!ret) { pr_warn("tcmu: command timed out\n"); @@ -503,11 +552,14 @@ tcmu_queue_cmd_ring(struct tcmu_cmd *tcmu_cmd) entry->req.iov_dif_cnt = 0; /* Handle BIDI commands */ - iov_cnt = 0; - alloc_and_scatter_data_area(udev, se_cmd->t_bidi_data_sg, - se_cmd->t_bidi_data_nents, &iov, &iov_cnt, false); - entry->req.iov_bidi_cnt = iov_cnt; - + if (se_cmd->se_cmd_flags & SCF_BIDI) { + iov_cnt = 0; + iov++; + alloc_and_scatter_data_area(udev, se_cmd->t_bidi_data_sg, + se_cmd->t_bidi_data_nents, &iov, &iov_cnt, + false); + entry->req.iov_bidi_cnt = iov_cnt; + } /* cmd's data_bitmap is what changed in process */ bitmap_xor(tcmu_cmd->data_bitmap, old_bitmap, udev->data_bitmap, DATA_BLOCK_BITS); @@ -526,8 +578,9 @@ tcmu_queue_cmd_ring(struct tcmu_cmd *tcmu_cmd) /* TODO: only if FLUSH and FUA? */ uio_event_notify(&udev->uio_info); - mod_timer(&udev->timeout, - round_jiffies_up(jiffies + msecs_to_jiffies(TCMU_TIME_OUT))); + if (udev->cmd_time_out) + mod_timer(&udev->timeout, round_jiffies_up(jiffies + + msecs_to_jiffies(udev->cmd_time_out))); return TCM_NO_SENSE; } @@ -583,19 +636,11 @@ static void tcmu_handle_completion(struct tcmu_cmd *cmd, struct tcmu_cmd_entry * se_cmd->scsi_sense_length); free_data_area(udev, cmd); } else if (se_cmd->se_cmd_flags & SCF_BIDI) { - DECLARE_BITMAP(bitmap, DATA_BLOCK_BITS); - /* Get Data-In buffer before clean up */ - bitmap_copy(bitmap, cmd->data_bitmap, DATA_BLOCK_BITS); - gather_data_area(udev, bitmap, - se_cmd->t_bidi_data_sg, se_cmd->t_bidi_data_nents); + gather_data_area(udev, cmd, true); free_data_area(udev, cmd); } else if (se_cmd->data_direction == DMA_FROM_DEVICE) { - DECLARE_BITMAP(bitmap, DATA_BLOCK_BITS); - - bitmap_copy(bitmap, cmd->data_bitmap, DATA_BLOCK_BITS); - gather_data_area(udev, bitmap, - se_cmd->t_data_sg, se_cmd->t_data_nents); + gather_data_area(udev, cmd, false); free_data_area(udev, cmd); } else if (se_cmd->data_direction == DMA_TO_DEVICE) { free_data_area(udev, cmd); @@ -742,6 +787,7 @@ static struct se_device *tcmu_alloc_device(struct se_hba *hba, const char *name) } udev->hba = hba; + udev->cmd_time_out = TCMU_TIME_OUT; init_waitqueue_head(&udev->wait_cmdr); spin_lock_init(&udev->cmdr_lock); @@ -960,7 +1006,8 @@ static int tcmu_configure_device(struct se_device *dev) if (dev->dev_attrib.hw_block_size == 0) dev->dev_attrib.hw_block_size = 512; /* Other attributes can be configured in userspace */ - dev->dev_attrib.hw_max_sectors = 128; + if (!dev->dev_attrib.hw_max_sectors) + dev->dev_attrib.hw_max_sectors = 128; dev->dev_attrib.hw_queue_depth = 128; ret = tcmu_netlink_event(TCMU_CMD_ADDED_DEVICE, udev->uio_info.name, @@ -997,6 +1044,11 @@ static void tcmu_dev_call_rcu(struct rcu_head *p) kfree(udev); } +static bool tcmu_dev_configured(struct tcmu_dev *udev) +{ + return udev->uio_info.uio_dev ? true : false; +} + static void tcmu_free_device(struct se_device *dev) { struct tcmu_dev *udev = TCMU_DEV(dev); @@ -1018,8 +1070,7 @@ static void tcmu_free_device(struct se_device *dev) spin_unlock_irq(&udev->commands_lock); WARN_ON(!all_expired); - /* Device was configured */ - if (udev->uio_info.uio_dev) { + if (tcmu_dev_configured(udev)) { tcmu_netlink_event(TCMU_CMD_REMOVED_DEVICE, udev->uio_info.name, udev->uio_info.uio_dev->minor); @@ -1031,16 +1082,42 @@ static void tcmu_free_device(struct se_device *dev) } enum { - Opt_dev_config, Opt_dev_size, Opt_hw_block_size, Opt_err, + Opt_dev_config, Opt_dev_size, Opt_hw_block_size, Opt_hw_max_sectors, + Opt_err, }; static match_table_t tokens = { {Opt_dev_config, "dev_config=%s"}, {Opt_dev_size, "dev_size=%u"}, {Opt_hw_block_size, "hw_block_size=%u"}, + {Opt_hw_max_sectors, "hw_max_sectors=%u"}, {Opt_err, NULL} }; +static int tcmu_set_dev_attrib(substring_t *arg, u32 *dev_attrib) +{ + unsigned long tmp_ul; + char *arg_p; + int ret; + + arg_p = match_strdup(arg); + if (!arg_p) + return -ENOMEM; + + ret = kstrtoul(arg_p, 0, &tmp_ul); + kfree(arg_p); + if (ret < 0) { + pr_err("kstrtoul() failed for dev attrib\n"); + return ret; + } + if (!tmp_ul) { + pr_err("dev attrib must be nonzero\n"); + return -EINVAL; + } + *dev_attrib = tmp_ul; + return 0; +} + static ssize_t tcmu_set_configfs_dev_params(struct se_device *dev, const char *page, ssize_t count) { @@ -1048,7 +1125,6 @@ static ssize_t tcmu_set_configfs_dev_params(struct se_device *dev, char *orig, *ptr, *opts, *arg_p; substring_t args[MAX_OPT_ARGS]; int ret = 0, token; - unsigned long tmp_ul; opts = kstrdup(page, GFP_KERNEL); if (!opts) @@ -1082,26 +1158,19 @@ static ssize_t tcmu_set_configfs_dev_params(struct se_device *dev, pr_err("kstrtoul() failed for dev_size=\n"); break; case Opt_hw_block_size: - arg_p = match_strdup(&args[0]); - if (!arg_p) { - ret = -ENOMEM; - break; - } - ret = kstrtoul(arg_p, 0, &tmp_ul); - kfree(arg_p); - if (ret < 0) { - pr_err("kstrtoul() failed for hw_block_size=\n"); - break; - } - if (!tmp_ul) { - pr_err("hw_block_size must be nonzero\n"); - break; - } - dev->dev_attrib.hw_block_size = tmp_ul; + ret = tcmu_set_dev_attrib(&args[0], + &(dev->dev_attrib.hw_block_size)); + break; + case Opt_hw_max_sectors: + ret = tcmu_set_dev_attrib(&args[0], + &(dev->dev_attrib.hw_max_sectors)); break; default: break; } + + if (ret) + break; } kfree(orig); @@ -1134,7 +1203,43 @@ tcmu_parse_cdb(struct se_cmd *cmd) return passthrough_parse_cdb(cmd, tcmu_queue_cmd); } -static const struct target_backend_ops tcmu_ops = { +static ssize_t tcmu_cmd_time_out_show(struct config_item *item, char *page) +{ + struct se_dev_attrib *da = container_of(to_config_group(item), + struct se_dev_attrib, da_group); + struct tcmu_dev *udev = container_of(da->da_dev, + struct tcmu_dev, se_dev); + + return snprintf(page, PAGE_SIZE, "%lu\n", udev->cmd_time_out / MSEC_PER_SEC); +} + +static ssize_t tcmu_cmd_time_out_store(struct config_item *item, const char *page, + size_t count) +{ + struct se_dev_attrib *da = container_of(to_config_group(item), + struct se_dev_attrib, da_group); + struct tcmu_dev *udev = container_of(da->da_dev, + struct tcmu_dev, se_dev); + u32 val; + int ret; + + if (da->da_dev->export_count) { + pr_err("Unable to set tcmu cmd_time_out while exports exist\n"); + return -EINVAL; + } + + ret = kstrtou32(page, 0, &val); + if (ret < 0) + return ret; + + udev->cmd_time_out = val * MSEC_PER_SEC; + return count; +} +CONFIGFS_ATTR(tcmu_, cmd_time_out); + +static struct configfs_attribute **tcmu_attrs; + +static struct target_backend_ops tcmu_ops = { .name = "user", .owner = THIS_MODULE, .transport_flags = TRANSPORT_FLAG_PASSTHROUGH, @@ -1148,12 +1253,12 @@ static const struct target_backend_ops tcmu_ops = { .show_configfs_dev_params = tcmu_show_configfs_dev_params, .get_device_type = sbc_get_device_type, .get_blocks = tcmu_get_blocks, - .tb_dev_attrib_attrs = passthrough_attrib_attrs, + .tb_dev_attrib_attrs = NULL, }; static int __init tcmu_module_init(void) { - int ret; + int ret, i, len = 0; BUILD_BUG_ON((sizeof(struct tcmu_cmd_entry) % TCMU_OP_ALIGN_SIZE) != 0); @@ -1175,12 +1280,31 @@ static int __init tcmu_module_init(void) goto out_unreg_device; } + for (i = 0; passthrough_attrib_attrs[i] != NULL; i++) { + len += sizeof(struct configfs_attribute *); + } + len += sizeof(struct configfs_attribute *) * 2; + + tcmu_attrs = kzalloc(len, GFP_KERNEL); + if (!tcmu_attrs) { + ret = -ENOMEM; + goto out_unreg_genl; + } + + for (i = 0; passthrough_attrib_attrs[i] != NULL; i++) { + tcmu_attrs[i] = passthrough_attrib_attrs[i]; + } + tcmu_attrs[i] = &tcmu_attr_cmd_time_out; + tcmu_ops.tb_dev_attrib_attrs = tcmu_attrs; + ret = transport_backend_register(&tcmu_ops); if (ret) - goto out_unreg_genl; + goto out_attrs; return 0; +out_attrs: + kfree(tcmu_attrs); out_unreg_genl: genl_unregister_family(&tcmu_genl_family); out_unreg_device: @@ -1194,6 +1318,7 @@ out_free_cache: static void __exit tcmu_module_exit(void) { target_backend_unregister(&tcmu_ops); + kfree(tcmu_attrs); genl_unregister_family(&tcmu_genl_family); root_device_unregister(tcmu_root_device); kmem_cache_destroy(tcmu_cmd_cache); diff --git a/drivers/thermal/cpu_cooling.c b/drivers/thermal/cpu_cooling.c index 91048ee..69d0f43 100644 --- a/drivers/thermal/cpu_cooling.c +++ b/drivers/thermal/cpu_cooling.c @@ -107,8 +107,6 @@ struct cpufreq_cooling_device { }; static DEFINE_IDA(cpufreq_ida); -static unsigned int cpufreq_dev_count; - static DEFINE_MUTEX(cooling_list_lock); static LIST_HEAD(cpufreq_dev_list); @@ -395,13 +393,20 @@ static int get_static_power(struct cpufreq_cooling_device *cpufreq_device, opp = dev_pm_opp_find_freq_exact(cpufreq_device->cpu_dev, freq_hz, true); + if (IS_ERR(opp)) { + dev_warn_ratelimited(cpufreq_device->cpu_dev, + "Failed to find OPP for frequency %lu: %ld\n", + freq_hz, PTR_ERR(opp)); + return -EINVAL; + } + voltage = dev_pm_opp_get_voltage(opp); dev_pm_opp_put(opp); if (voltage == 0) { - dev_warn_ratelimited(cpufreq_device->cpu_dev, - "Failed to get voltage for frequency %lu: %ld\n", - freq_hz, IS_ERR(opp) ? PTR_ERR(opp) : 0); + dev_err_ratelimited(cpufreq_device->cpu_dev, + "Failed to get voltage for frequency %lu\n", + freq_hz); return -EINVAL; } @@ -693,9 +698,9 @@ static int cpufreq_power2state(struct thermal_cooling_device *cdev, *state = cpufreq_cooling_get_level(cpu, target_freq); if (*state == THERMAL_CSTATE_INVALID) { - dev_warn_ratelimited(&cdev->device, - "Failed to convert %dKHz for cpu %d into a cdev state\n", - target_freq, cpu); + dev_err_ratelimited(&cdev->device, + "Failed to convert %dKHz for cpu %d into a cdev state\n", + target_freq, cpu); return -EINVAL; } @@ -771,6 +776,7 @@ __cpufreq_cooling_register(struct device_node *np, unsigned int freq, i, num_cpus; int ret; struct thermal_cooling_device_ops *cooling_ops; + bool first; if (!alloc_cpumask_var(&temp_mask, GFP_KERNEL)) return ERR_PTR(-ENOMEM); @@ -874,13 +880,14 @@ __cpufreq_cooling_register(struct device_node *np, cpufreq_dev->cool_dev = cool_dev; mutex_lock(&cooling_list_lock); + /* Register the notifier for first cpufreq cooling device */ + first = list_empty(&cpufreq_dev_list); list_add(&cpufreq_dev->node, &cpufreq_dev_list); + mutex_unlock(&cooling_list_lock); - /* Register the notifier for first cpufreq cooling device */ - if (!cpufreq_dev_count++) + if (first) cpufreq_register_notifier(&thermal_cpufreq_notifier_block, CPUFREQ_POLICY_NOTIFIER); - mutex_unlock(&cooling_list_lock); goto put_policy; @@ -1021,6 +1028,7 @@ EXPORT_SYMBOL(of_cpufreq_power_cooling_register); void cpufreq_cooling_unregister(struct thermal_cooling_device *cdev) { struct cpufreq_cooling_device *cpufreq_dev; + bool last; if (!cdev) return; @@ -1028,14 +1036,15 @@ void cpufreq_cooling_unregister(struct thermal_cooling_device *cdev) cpufreq_dev = cdev->devdata; mutex_lock(&cooling_list_lock); + list_del(&cpufreq_dev->node); /* Unregister the notifier for the last cpufreq cooling device */ - if (!--cpufreq_dev_count) + last = list_empty(&cpufreq_dev_list); + mutex_unlock(&cooling_list_lock); + + if (last) cpufreq_unregister_notifier(&thermal_cpufreq_notifier_block, CPUFREQ_POLICY_NOTIFIER); - list_del(&cpufreq_dev->node); - mutex_unlock(&cooling_list_lock); - thermal_cooling_device_unregister(cpufreq_dev->cool_dev); ida_simple_remove(&cpufreq_ida, cpufreq_dev->id); kfree(cpufreq_dev->dyn_power_table); diff --git a/drivers/thermal/devfreq_cooling.c b/drivers/thermal/devfreq_cooling.c index 7743a78..4bf4ad5 100644 --- a/drivers/thermal/devfreq_cooling.c +++ b/drivers/thermal/devfreq_cooling.c @@ -186,16 +186,22 @@ get_static_power(struct devfreq_cooling_device *dfc, unsigned long freq) return 0; opp = dev_pm_opp_find_freq_exact(dev, freq, true); - if (IS_ERR(opp) && (PTR_ERR(opp) == -ERANGE)) + if (PTR_ERR(opp) == -ERANGE) opp = dev_pm_opp_find_freq_exact(dev, freq, false); + if (IS_ERR(opp)) { + dev_err_ratelimited(dev, "Failed to find OPP for frequency %lu: %ld\n", + freq, PTR_ERR(opp)); + return 0; + } + voltage = dev_pm_opp_get_voltage(opp) / 1000; /* mV */ dev_pm_opp_put(opp); if (voltage == 0) { - dev_warn_ratelimited(dev, - "Failed to get voltage for frequency %lu: %ld\n", - freq, IS_ERR(opp) ? PTR_ERR(opp) : 0); + dev_err_ratelimited(dev, + "Failed to get voltage for frequency %lu\n", + freq); return 0; } diff --git a/drivers/tty/serial/8250/8250_dw.c b/drivers/tty/serial/8250/8250_dw.c index 6ee55a2..e65808c 100644 --- a/drivers/tty/serial/8250/8250_dw.c +++ b/drivers/tty/serial/8250/8250_dw.c @@ -257,7 +257,7 @@ static void dw8250_set_termios(struct uart_port *p, struct ktermios *termios, { unsigned int baud = tty_termios_baud_rate(termios); struct dw8250_data *d = p->private_data; - unsigned int rate; + long rate; int ret; if (IS_ERR(d->clk) || !old) @@ -265,7 +265,12 @@ static void dw8250_set_termios(struct uart_port *p, struct ktermios *termios, clk_disable_unprepare(d->clk); rate = clk_round_rate(d->clk, baud * 16); - ret = clk_set_rate(d->clk, rate); + if (rate < 0) + ret = rate; + else if (rate == 0) + ret = -ENOENT; + else + ret = clk_set_rate(d->clk, rate); clk_prepare_enable(d->clk); if (!ret) diff --git a/drivers/tty/serial/8250/Kconfig b/drivers/tty/serial/8250/Kconfig index a65fb81..0e3f529 100644 --- a/drivers/tty/serial/8250/Kconfig +++ b/drivers/tty/serial/8250/Kconfig @@ -128,9 +128,13 @@ config SERIAL_8250_PCI by the parport_serial driver, enabled with CONFIG_PARPORT_SERIAL. config SERIAL_8250_EXAR - tristate "8250/16550 PCI device support" - depends on SERIAL_8250_PCI + tristate "8250/16550 Exar/Commtech PCI/PCIe device support" + depends on SERIAL_8250_PCI default SERIAL_8250 + help + This builds support for XR17C1xx, XR17V3xx and some Commtech + 422x PCIe serial cards that are not covered by the more generic + SERIAL_8250_PCI option. config SERIAL_8250_HP300 tristate diff --git a/drivers/tty/serial/amba-pl011.c b/drivers/tty/serial/amba-pl011.c index 8789ea4..b0a3777 100644 --- a/drivers/tty/serial/amba-pl011.c +++ b/drivers/tty/serial/amba-pl011.c @@ -2373,7 +2373,7 @@ static int __init pl011_console_match(struct console *co, char *name, int idx, if (strcmp(name, "qdf2400_e44") == 0) { pr_info_once("UART: Working around QDF2400 SoC erratum 44"); qdf2400_e44_present = true; - } else if (strcmp(name, "pl011") != 0 || strcmp(name, "ttyAMA") != 0) { + } else if (strcmp(name, "pl011") != 0) { return -ENODEV; } @@ -2452,18 +2452,37 @@ static void pl011_early_write(struct console *con, const char *s, unsigned n) uart_console_write(&dev->port, s, n, pl011_putc); } +/* + * On non-ACPI systems, earlycon is enabled by specifying + * "earlycon=pl011,<address>" on the kernel command line. + * + * On ACPI ARM64 systems, an "early" console is enabled via the SPCR table, + * by specifying only "earlycon" on the command line. Because it requires + * SPCR, the console starts after ACPI is parsed, which is later than a + * traditional early console. + * + * To get the traditional early console that starts before ACPI is parsed, + * specify the full "earlycon=pl011,<address>" option. + */ static int __init pl011_early_console_setup(struct earlycon_device *device, const char *opt) { if (!device->port.membase) return -ENODEV; - device->con->write = qdf2400_e44_present ? - qdf2400_e44_early_write : pl011_early_write; + /* On QDF2400 SOCs affected by Erratum 44, the "qdf2400_e44" must + * also be specified, e.g. "earlycon=pl011,<address>,qdf2400_e44". + */ + if (!strcmp(device->options, "qdf2400_e44")) + device->con->write = qdf2400_e44_early_write; + else + device->con->write = pl011_early_write; + return 0; } OF_EARLYCON_DECLARE(pl011, "arm,pl011", pl011_early_console_setup); OF_EARLYCON_DECLARE(pl011, "arm,sbsa-uart", pl011_early_console_setup); +EARLYCON_DECLARE(qdf2400_e44, pl011_early_console_setup); #else #define AMBA_CONSOLE NULL diff --git a/drivers/tty/serial/atmel_serial.c b/drivers/tty/serial/atmel_serial.c index dcebb28..1f50a83 100644 --- a/drivers/tty/serial/atmel_serial.c +++ b/drivers/tty/serial/atmel_serial.c @@ -1951,6 +1951,11 @@ static void atmel_flush_buffer(struct uart_port *port) atmel_uart_writel(port, ATMEL_PDC_TCR, 0); atmel_port->pdc_tx.ofs = 0; } + /* + * in uart_flush_buffer(), the xmit circular buffer has just + * been cleared, so we have to reset tx_len accordingly. + */ + atmel_port->tx_len = 0; } /* @@ -2483,6 +2488,9 @@ static void atmel_console_write(struct console *co, const char *s, u_int count) pdc_tx = atmel_uart_readl(port, ATMEL_PDC_PTSR) & ATMEL_PDC_TXTEN; atmel_uart_writel(port, ATMEL_PDC_PTCR, ATMEL_PDC_TXTDIS); + /* Make sure that tx path is actually able to send characters */ + atmel_uart_writel(port, ATMEL_US_CR, ATMEL_US_TXEN); + uart_console_write(port, s, count, atmel_console_putchar); /* diff --git a/drivers/tty/serial/mxs-auart.c b/drivers/tty/serial/mxs-auart.c index 6989b227d..be94246 100644 --- a/drivers/tty/serial/mxs-auart.c +++ b/drivers/tty/serial/mxs-auart.c @@ -1088,7 +1088,7 @@ static void mxs_auart_settermios(struct uart_port *u, AUART_LINECTRL_BAUD_DIV_MAX); baud_max = u->uartclk * 32 / AUART_LINECTRL_BAUD_DIV_MIN; baud = uart_get_baud_rate(u, termios, old, baud_min, baud_max); - div = u->uartclk * 32 / baud; + div = DIV_ROUND_CLOSEST(u->uartclk * 32, baud); } ctrl |= AUART_LINECTRL_BAUD_DIVFRAC(div & 0x3F); diff --git a/drivers/tty/serial/st-asc.c b/drivers/tty/serial/st-asc.c index bcf1d33..c334bcc 100644 --- a/drivers/tty/serial/st-asc.c +++ b/drivers/tty/serial/st-asc.c @@ -575,12 +575,13 @@ static void asc_set_termios(struct uart_port *port, struct ktermios *termios, pinctrl_select_state(ascport->pinctrl, ascport->states[NO_HW_FLOWCTRL]); - gpiod = devm_get_gpiod_from_child(port->dev, "rts", - &np->fwnode); - if (!IS_ERR(gpiod)) { - gpiod_direction_output(gpiod, 0); + gpiod = devm_fwnode_get_gpiod_from_child(port->dev, + "rts", + &np->fwnode, + GPIOD_OUT_LOW, + np->name); + if (!IS_ERR(gpiod)) ascport->rts = gpiod; - } } } diff --git a/drivers/tty/tty_ldisc.c b/drivers/tty/tty_ldisc.c index 68947f6..e4603b0 100644 --- a/drivers/tty/tty_ldisc.c +++ b/drivers/tty/tty_ldisc.c @@ -271,10 +271,13 @@ const struct file_operations tty_ldiscs_proc_fops = { struct tty_ldisc *tty_ldisc_ref_wait(struct tty_struct *tty) { + struct tty_ldisc *ld; + ldsem_down_read(&tty->ldisc_sem, MAX_SCHEDULE_TIMEOUT); - if (!tty->ldisc) + ld = tty->ldisc; + if (!ld) ldsem_up_read(&tty->ldisc_sem); - return tty->ldisc; + return ld; } EXPORT_SYMBOL_GPL(tty_ldisc_ref_wait); diff --git a/drivers/tty/vt/keyboard.c b/drivers/tty/vt/keyboard.c index c5f0fc9..8af8d95 100644 --- a/drivers/tty/vt/keyboard.c +++ b/drivers/tty/vt/keyboard.c @@ -28,7 +28,6 @@ #include <linux/module.h> #include <linux/sched/signal.h> #include <linux/sched/debug.h> -#include <linux/sched/debug.h> #include <linux/tty.h> #include <linux/tty_flip.h> #include <linux/mm.h> diff --git a/drivers/usb/class/usbtmc.c b/drivers/usb/class/usbtmc.c index f03692e..8fb309a 100644 --- a/drivers/usb/class/usbtmc.c +++ b/drivers/usb/class/usbtmc.c @@ -1381,7 +1381,7 @@ static int usbtmc_probe(struct usb_interface *intf, dev_dbg(&intf->dev, "%s called\n", __func__); - data = kmalloc(sizeof(*data), GFP_KERNEL); + data = kzalloc(sizeof(*data), GFP_KERNEL); if (!data) return -ENOMEM; @@ -1444,6 +1444,13 @@ static int usbtmc_probe(struct usb_interface *intf, break; } } + + if (!data->bulk_out || !data->bulk_in) { + dev_err(&intf->dev, "bulk endpoints not found\n"); + retcode = -ENODEV; + goto err_put; + } + /* Find int endpoint */ for (n = 0; n < iface_desc->desc.bNumEndpoints; n++) { endpoint = &iface_desc->endpoint[n].desc; @@ -1469,8 +1476,10 @@ static int usbtmc_probe(struct usb_interface *intf, if (data->iin_ep_present) { /* allocate int urb */ data->iin_urb = usb_alloc_urb(0, GFP_KERNEL); - if (!data->iin_urb) + if (!data->iin_urb) { + retcode = -ENOMEM; goto error_register; + } /* Protect interrupt in endpoint data until iin_urb is freed */ kref_get(&data->kref); @@ -1478,8 +1487,10 @@ static int usbtmc_probe(struct usb_interface *intf, /* allocate buffer for interrupt in */ data->iin_buffer = kmalloc(data->iin_wMaxPacketSize, GFP_KERNEL); - if (!data->iin_buffer) + if (!data->iin_buffer) { + retcode = -ENOMEM; goto error_register; + } /* fill interrupt urb */ usb_fill_int_urb(data->iin_urb, data->usb_dev, @@ -1512,6 +1523,7 @@ error_register: sysfs_remove_group(&intf->dev.kobj, &capability_attr_grp); sysfs_remove_group(&intf->dev.kobj, &data_attr_grp); usbtmc_free_int(data); +err_put: kref_put(&data->kref, usbtmc_delete); return retcode; } diff --git a/drivers/usb/core/config.c b/drivers/usb/core/config.c index 25dbd8c..4be52c6 100644 --- a/drivers/usb/core/config.c +++ b/drivers/usb/core/config.c @@ -280,6 +280,16 @@ static int usb_parse_endpoint(struct device *ddev, int cfgno, int inum, /* * Adjust bInterval for quirked devices. + */ + /* + * This quirk fixes bIntervals reported in ms. + */ + if (to_usb_device(ddev)->quirks & + USB_QUIRK_LINEAR_FRAME_INTR_BINTERVAL) { + n = clamp(fls(d->bInterval) + 3, i, j); + i = j = n; + } + /* * This quirk fixes bIntervals reported in * linear microframes. */ diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c index 612fab6..79bdca5 100644 --- a/drivers/usb/core/hcd.c +++ b/drivers/usb/core/hcd.c @@ -520,8 +520,10 @@ static int rh_call_control (struct usb_hcd *hcd, struct urb *urb) */ tbuf_size = max_t(u16, sizeof(struct usb_hub_descriptor), wLength); tbuf = kzalloc(tbuf_size, GFP_KERNEL); - if (!tbuf) - return -ENOMEM; + if (!tbuf) { + status = -ENOMEM; + goto err_alloc; + } bufp = tbuf; @@ -734,6 +736,7 @@ error: } kfree(tbuf); + err_alloc: /* any errors get returned through the urb completion */ spin_lock_irq(&hcd_root_hub_lock); diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index f0dd081..5286bf6 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -4275,7 +4275,7 @@ static void hub_set_initial_usb2_lpm_policy(struct usb_device *udev) struct usb_hub *hub = usb_hub_to_struct_hub(udev->parent); int connect_type = USB_PORT_CONNECT_TYPE_UNKNOWN; - if (!udev->usb2_hw_lpm_capable) + if (!udev->usb2_hw_lpm_capable || !udev->bos) return; if (hub) diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c index 24f9f98..96b21b0 100644 --- a/drivers/usb/core/quirks.c +++ b/drivers/usb/core/quirks.c @@ -170,6 +170,14 @@ static const struct usb_device_id usb_quirk_list[] = { /* M-Systems Flash Disk Pioneers */ { USB_DEVICE(0x08ec, 0x1000), .driver_info = USB_QUIRK_RESET_RESUME }, + /* Baum Vario Ultra */ + { USB_DEVICE(0x0904, 0x6101), .driver_info = + USB_QUIRK_LINEAR_FRAME_INTR_BINTERVAL }, + { USB_DEVICE(0x0904, 0x6102), .driver_info = + USB_QUIRK_LINEAR_FRAME_INTR_BINTERVAL }, + { USB_DEVICE(0x0904, 0x6103), .driver_info = + USB_QUIRK_LINEAR_FRAME_INTR_BINTERVAL }, + /* Keytouch QWERTY Panel keyboard */ { USB_DEVICE(0x0926, 0x3333), .driver_info = USB_QUIRK_CONFIG_INTF_STRINGS }, diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index 0d75158..79e7a34 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -171,6 +171,7 @@ void dwc3_gadget_giveback(struct dwc3_ep *dep, struct dwc3_request *req, int status) { struct dwc3 *dwc = dep->dwc; + unsigned int unmap_after_complete = false; req->started = false; list_del(&req->list); @@ -180,11 +181,19 @@ void dwc3_gadget_giveback(struct dwc3_ep *dep, struct dwc3_request *req, if (req->request.status == -EINPROGRESS) req->request.status = status; - if (dwc->ep0_bounced && dep->number <= 1) + /* + * NOTICE we don't want to unmap before calling ->complete() if we're + * dealing with a bounced ep0 request. If we unmap it here, we would end + * up overwritting the contents of req->buf and this could confuse the + * gadget driver. + */ + if (dwc->ep0_bounced && dep->number <= 1) { dwc->ep0_bounced = false; - - usb_gadget_unmap_request_by_dev(dwc->sysdev, - &req->request, req->direction); + unmap_after_complete = true; + } else { + usb_gadget_unmap_request_by_dev(dwc->sysdev, + &req->request, req->direction); + } trace_dwc3_gadget_giveback(req); @@ -192,6 +201,10 @@ void dwc3_gadget_giveback(struct dwc3_ep *dep, struct dwc3_request *req, usb_gadget_giveback_request(&dep->endpoint, &req->request); spin_lock(&dwc->lock); + if (unmap_after_complete) + usb_gadget_unmap_request_by_dev(dwc->sysdev, + &req->request, req->direction); + if (dep->number > 1) pm_runtime_put(dwc->dev); } diff --git a/drivers/usb/gadget/function/f_acm.c b/drivers/usb/gadget/function/f_acm.c index a30766c..5e3828d 100644 --- a/drivers/usb/gadget/function/f_acm.c +++ b/drivers/usb/gadget/function/f_acm.c @@ -535,13 +535,15 @@ static int acm_notify_serial_state(struct f_acm *acm) { struct usb_composite_dev *cdev = acm->port.func.config->cdev; int status; + __le16 serial_state; spin_lock(&acm->lock); if (acm->notify_req) { dev_dbg(&cdev->gadget->dev, "acm ttyGS%d serial state %04x\n", acm->port_num, acm->serial_state); + serial_state = cpu_to_le16(acm->serial_state); status = acm_cdc_notify(acm, USB_CDC_NOTIFY_SERIAL_STATE, - 0, &acm->serial_state, sizeof(acm->serial_state)); + 0, &serial_state, sizeof(acm->serial_state)); } else { acm->pending = true; status = 0; diff --git a/drivers/usb/gadget/function/f_hid.c b/drivers/usb/gadget/function/f_hid.c index 89b48bc..5eea448 100644 --- a/drivers/usb/gadget/function/f_hid.c +++ b/drivers/usb/gadget/function/f_hid.c @@ -367,7 +367,7 @@ try_again: count = min_t(unsigned, count, hidg->report_length); spin_unlock_irqrestore(&hidg->write_spinlock, flags); - status = copy_from_user(hidg->req->buf, buffer, count); + status = copy_from_user(req->buf, buffer, count); if (status != 0) { ERROR(hidg->func.config->cdev, @@ -378,9 +378,9 @@ try_again: spin_lock_irqsave(&hidg->write_spinlock, flags); - /* we our function has been disabled by host */ + /* when our function has been disabled by host */ if (!hidg->req) { - free_ep_req(hidg->in_ep, hidg->req); + free_ep_req(hidg->in_ep, req); /* * TODO * Should we fail with error here? @@ -394,7 +394,7 @@ try_again: req->complete = f_hidg_req_complete; req->context = hidg; - status = usb_ep_queue(hidg->in_ep, hidg->req, GFP_ATOMIC); + status = usb_ep_queue(hidg->in_ep, req, GFP_ATOMIC); if (status < 0) { ERROR(hidg->func.config->cdev, "usb_ep_queue error on int endpoint %zd\n", status); diff --git a/drivers/usb/gadget/function/f_tcm.c b/drivers/usb/gadget/function/f_tcm.c index d235113..a82e2bd 100644 --- a/drivers/usb/gadget/function/f_tcm.c +++ b/drivers/usb/gadget/function/f_tcm.c @@ -373,7 +373,7 @@ static void bot_cleanup_old_alt(struct f_uas *fu) usb_ep_free_request(fu->ep_in, fu->bot_req_in); usb_ep_free_request(fu->ep_out, fu->bot_req_out); usb_ep_free_request(fu->ep_out, fu->cmd.req); - usb_ep_free_request(fu->ep_out, fu->bot_status.req); + usb_ep_free_request(fu->ep_in, fu->bot_status.req); kfree(fu->cmd.buf); diff --git a/drivers/usb/gadget/function/f_uvc.c b/drivers/usb/gadget/function/f_uvc.c index 29b41b5..f8a1881 100644 --- a/drivers/usb/gadget/function/f_uvc.c +++ b/drivers/usb/gadget/function/f_uvc.c @@ -594,6 +594,14 @@ uvc_function_bind(struct usb_configuration *c, struct usb_function *f) opts->streaming_maxpacket = clamp(opts->streaming_maxpacket, 1U, 3072U); opts->streaming_maxburst = min(opts->streaming_maxburst, 15U); + /* For SS, wMaxPacketSize has to be 1024 if bMaxBurst is not 0 */ + if (opts->streaming_maxburst && + (opts->streaming_maxpacket % 1024) != 0) { + opts->streaming_maxpacket = roundup(opts->streaming_maxpacket, 1024); + INFO(cdev, "overriding streaming_maxpacket to %d\n", + opts->streaming_maxpacket); + } + /* Fill in the FS/HS/SS Video Streaming specific descriptors from the * module parameters. * @@ -625,7 +633,7 @@ uvc_function_bind(struct usb_configuration *c, struct usb_function *f) uvc_ss_streaming_comp.bMaxBurst = opts->streaming_maxburst; uvc_ss_streaming_comp.wBytesPerInterval = cpu_to_le16(max_packet_size * max_packet_mult * - opts->streaming_maxburst); + (opts->streaming_maxburst + 1)); /* Allocate endpoints. */ ep = usb_ep_autoconfig(cdev->gadget, &uvc_control_ep); diff --git a/drivers/usb/gadget/udc/pch_udc.c b/drivers/usb/gadget/udc/pch_udc.c index a97da64..8a365aa 100644 --- a/drivers/usb/gadget/udc/pch_udc.c +++ b/drivers/usb/gadget/udc/pch_udc.c @@ -1523,7 +1523,6 @@ static void pch_udc_free_dma_chain(struct pch_udc_dev *dev, td = phys_to_virt(addr); addr2 = (dma_addr_t)td->next; pci_pool_free(dev->data_requests, td, addr); - td->next = 0x00; addr = addr2; } req->chain_len = 1; diff --git a/drivers/usb/host/xhci-plat.c b/drivers/usb/host/xhci-plat.c index bd02a6c..6ed468f 100644 --- a/drivers/usb/host/xhci-plat.c +++ b/drivers/usb/host/xhci-plat.c @@ -344,6 +344,7 @@ MODULE_DEVICE_TABLE(acpi, usb_xhci_acpi_match); static struct platform_driver usb_xhci_driver = { .probe = xhci_plat_probe, .remove = xhci_plat_remove, + .shutdown = usb_hcd_platform_shutdown, .driver = { .name = "xhci-hcd", .pm = DEV_PM_OPS, diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c index d9936c7..a3309aa 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -1989,6 +1989,9 @@ static int process_ctrl_td(struct xhci_hcd *xhci, struct xhci_td *td, case TRB_NORMAL: td->urb->actual_length = requested - remaining; goto finish_td; + case TRB_STATUS: + td->urb->actual_length = requested; + goto finish_td; default: xhci_warn(xhci, "WARN: unexpected TRB Type %d\n", trb_type); diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index 50aee8b..953fd8f 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -1477,6 +1477,7 @@ int xhci_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, int status) struct xhci_ring *ep_ring; struct xhci_virt_ep *ep; struct xhci_command *command; + struct xhci_virt_device *vdev; xhci = hcd_to_xhci(hcd); spin_lock_irqsave(&xhci->lock, flags); @@ -1485,15 +1486,27 @@ int xhci_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, int status) /* Make sure the URB hasn't completed or been unlinked already */ ret = usb_hcd_check_unlink_urb(hcd, urb, status); - if (ret || !urb->hcpriv) + if (ret) goto done; + + /* give back URB now if we can't queue it for cancel */ + vdev = xhci->devs[urb->dev->slot_id]; + urb_priv = urb->hcpriv; + if (!vdev || !urb_priv) + goto err_giveback; + + ep_index = xhci_get_endpoint_index(&urb->ep->desc); + ep = &vdev->eps[ep_index]; + ep_ring = xhci_urb_to_transfer_ring(xhci, urb); + if (!ep || !ep_ring) + goto err_giveback; + temp = readl(&xhci->op_regs->status); if (temp == 0xffffffff || (xhci->xhc_state & XHCI_STATE_HALTED)) { xhci_dbg_trace(xhci, trace_xhci_dbg_cancel_urb, "HW died, freeing TD."); - urb_priv = urb->hcpriv; for (i = urb_priv->num_tds_done; - i < urb_priv->num_tds && xhci->devs[urb->dev->slot_id]; + i < urb_priv->num_tds; i++) { td = &urb_priv->td[i]; if (!list_empty(&td->td_list)) @@ -1501,23 +1514,9 @@ int xhci_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, int status) if (!list_empty(&td->cancelled_td_list)) list_del_init(&td->cancelled_td_list); } - - usb_hcd_unlink_urb_from_ep(hcd, urb); - spin_unlock_irqrestore(&xhci->lock, flags); - usb_hcd_giveback_urb(hcd, urb, -ESHUTDOWN); - xhci_urb_free_priv(urb_priv); - return ret; + goto err_giveback; } - ep_index = xhci_get_endpoint_index(&urb->ep->desc); - ep = &xhci->devs[urb->dev->slot_id]->eps[ep_index]; - ep_ring = xhci_urb_to_transfer_ring(xhci, urb); - if (!ep_ring) { - ret = -EINVAL; - goto done; - } - - urb_priv = urb->hcpriv; i = urb_priv->num_tds_done; if (i < urb_priv->num_tds) xhci_dbg_trace(xhci, trace_xhci_dbg_cancel_urb, @@ -1554,6 +1553,14 @@ int xhci_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, int status) done: spin_unlock_irqrestore(&xhci->lock, flags); return ret; + +err_giveback: + if (urb_priv) + xhci_urb_free_priv(urb_priv); + usb_hcd_unlink_urb_from_ep(hcd, urb); + spin_unlock_irqrestore(&xhci->lock, flags); + usb_hcd_giveback_urb(hcd, urb, -ESHUTDOWN); + return ret; } /* Drop an endpoint from a new bandwidth configuration for this device. diff --git a/drivers/usb/misc/idmouse.c b/drivers/usb/misc/idmouse.c index 8b9fd75..502bfe3 100644 --- a/drivers/usb/misc/idmouse.c +++ b/drivers/usb/misc/idmouse.c @@ -347,6 +347,9 @@ static int idmouse_probe(struct usb_interface *interface, if (iface_desc->desc.bInterfaceClass != 0x0A) return -ENODEV; + if (iface_desc->desc.bNumEndpoints < 1) + return -ENODEV; + /* allocate memory for our device state and initialize it */ dev = kzalloc(sizeof(*dev), GFP_KERNEL); if (dev == NULL) diff --git a/drivers/usb/misc/lvstest.c b/drivers/usb/misc/lvstest.c index 7717651..d3d1247 100644 --- a/drivers/usb/misc/lvstest.c +++ b/drivers/usb/misc/lvstest.c @@ -366,6 +366,10 @@ static int lvs_rh_probe(struct usb_interface *intf, hdev = interface_to_usbdev(intf); desc = intf->cur_altsetting; + + if (desc->desc.bNumEndpoints < 1) + return -ENODEV; + endpoint = &desc->endpoint[0].desc; /* valid only for SS root hub */ diff --git a/drivers/usb/misc/uss720.c b/drivers/usb/misc/uss720.c index e45a3a6..07014ca 100644 --- a/drivers/usb/misc/uss720.c +++ b/drivers/usb/misc/uss720.c @@ -709,6 +709,11 @@ static int uss720_probe(struct usb_interface *intf, interface = intf->cur_altsetting; + if (interface->desc.bNumEndpoints < 3) { + usb_put_dev(usbdev); + return -ENODEV; + } + /* * Allocate parport interface */ diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c index d8bae6c..0c3664ab 100644 --- a/drivers/usb/musb/musb_core.c +++ b/drivers/usb/musb/musb_core.c @@ -2490,8 +2490,8 @@ static int musb_remove(struct platform_device *pdev) musb_host_cleanup(musb); musb_gadget_cleanup(musb); - spin_lock_irqsave(&musb->lock, flags); musb_platform_disable(musb); + spin_lock_irqsave(&musb->lock, flags); musb_disable_interrupts(musb); musb_writeb(musb->mregs, MUSB_DEVCTL, 0); spin_unlock_irqrestore(&musb->lock, flags); diff --git a/drivers/usb/musb/musb_cppi41.c b/drivers/usb/musb/musb_cppi41.c index 00e272b..355655f 100644 --- a/drivers/usb/musb/musb_cppi41.c +++ b/drivers/usb/musb/musb_cppi41.c @@ -238,8 +238,27 @@ static void cppi41_dma_callback(void *private_data, transferred < cppi41_channel->packet_sz) cppi41_channel->prog_len = 0; - if (cppi41_channel->is_tx) - empty = musb_is_tx_fifo_empty(hw_ep); + if (cppi41_channel->is_tx) { + u8 type; + + if (is_host_active(musb)) + type = hw_ep->out_qh->type; + else + type = hw_ep->ep_in.type; + + if (type == USB_ENDPOINT_XFER_ISOC) + /* + * Don't use the early-TX-interrupt workaround below + * for Isoch transfter. Since Isoch are periodic + * transfer, by the time the next transfer is + * scheduled, the current one should be done already. + * + * This avoids audio playback underrun issue. + */ + empty = true; + else + empty = musb_is_tx_fifo_empty(hw_ep); + } if (!cppi41_channel->is_tx || empty) { cppi41_trans_done(cppi41_channel); diff --git a/drivers/usb/musb/musb_dsps.c b/drivers/usb/musb/musb_dsps.c index 7c047c4..9c7ee26 100644 --- a/drivers/usb/musb/musb_dsps.c +++ b/drivers/usb/musb/musb_dsps.c @@ -933,7 +933,7 @@ static int dsps_probe(struct platform_device *pdev) if (usb_get_dr_mode(&pdev->dev) == USB_DR_MODE_PERIPHERAL) { ret = dsps_setup_optional_vbus_irq(pdev, glue); if (ret) - return ret; + goto err_iounmap; } platform_set_drvdata(pdev, glue); @@ -946,6 +946,8 @@ static int dsps_probe(struct platform_device *pdev) err: pm_runtime_disable(&pdev->dev); +err_iounmap: + iounmap(glue->usbss_base); return ret; } @@ -956,6 +958,7 @@ static int dsps_remove(struct platform_device *pdev) platform_device_unregister(glue->musb); pm_runtime_disable(&pdev->dev); + iounmap(glue->usbss_base); return 0; } diff --git a/drivers/usb/phy/phy-isp1301.c b/drivers/usb/phy/phy-isp1301.c index b3b33cf..f333024 100644 --- a/drivers/usb/phy/phy-isp1301.c +++ b/drivers/usb/phy/phy-isp1301.c @@ -136,7 +136,7 @@ static int isp1301_remove(struct i2c_client *client) static struct i2c_driver isp1301_driver = { .driver = { .name = DRV_NAME, - .of_match_table = of_match_ptr(isp1301_of_match), + .of_match_table = isp1301_of_match, }, .probe = isp1301_probe, .remove = isp1301_remove, diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c index 42cc72e..af67a0d 100644 --- a/drivers/usb/serial/option.c +++ b/drivers/usb/serial/option.c @@ -233,6 +233,14 @@ static void option_instat_callback(struct urb *urb); #define BANDRICH_PRODUCT_1012 0x1012 #define QUALCOMM_VENDOR_ID 0x05C6 +/* These Quectel products use Qualcomm's vendor ID */ +#define QUECTEL_PRODUCT_UC20 0x9003 +#define QUECTEL_PRODUCT_UC15 0x9090 + +#define QUECTEL_VENDOR_ID 0x2c7c +/* These Quectel products use Quectel's vendor ID */ +#define QUECTEL_PRODUCT_EC21 0x0121 +#define QUECTEL_PRODUCT_EC25 0x0125 #define CMOTECH_VENDOR_ID 0x16d8 #define CMOTECH_PRODUCT_6001 0x6001 @@ -1161,7 +1169,14 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE(QUALCOMM_VENDOR_ID, 0x6613)}, /* Onda H600/ZTE MF330 */ { USB_DEVICE(QUALCOMM_VENDOR_ID, 0x0023)}, /* ONYX 3G device */ { USB_DEVICE(QUALCOMM_VENDOR_ID, 0x9000)}, /* SIMCom SIM5218 */ - { USB_DEVICE(QUALCOMM_VENDOR_ID, 0x9003), /* Quectel UC20 */ + /* Quectel products using Qualcomm vendor ID */ + { USB_DEVICE(QUALCOMM_VENDOR_ID, QUECTEL_PRODUCT_UC15)}, + { USB_DEVICE(QUALCOMM_VENDOR_ID, QUECTEL_PRODUCT_UC20), + .driver_info = (kernel_ulong_t)&net_intf4_blacklist }, + /* Quectel products using Quectel vendor ID */ + { USB_DEVICE(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EC21), + .driver_info = (kernel_ulong_t)&net_intf4_blacklist }, + { USB_DEVICE(QUECTEL_VENDOR_ID, QUECTEL_PRODUCT_EC25), .driver_info = (kernel_ulong_t)&net_intf4_blacklist }, { USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_6001) }, { USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_CMU_300) }, diff --git a/drivers/usb/serial/qcserial.c b/drivers/usb/serial/qcserial.c index 696458d..38b3f0d 100644 --- a/drivers/usb/serial/qcserial.c +++ b/drivers/usb/serial/qcserial.c @@ -169,6 +169,8 @@ static const struct usb_device_id id_table[] = { {DEVICE_SWI(0x413c, 0x81a9)}, /* Dell Wireless 5808e Gobi(TM) 4G LTE Mobile Broadband Card */ {DEVICE_SWI(0x413c, 0x81b1)}, /* Dell Wireless 5809e Gobi(TM) 4G LTE Mobile Broadband Card */ {DEVICE_SWI(0x413c, 0x81b3)}, /* Dell Wireless 5809e Gobi(TM) 4G LTE Mobile Broadband Card (rev3) */ + {DEVICE_SWI(0x413c, 0x81b5)}, /* Dell Wireless 5811e QDL */ + {DEVICE_SWI(0x413c, 0x81b6)}, /* Dell Wireless 5811e QDL */ /* Huawei devices */ {DEVICE_HWI(0x03f0, 0x581d)}, /* HP lt4112 LTE/HSPA+ Gobi 4G Modem (Huawei me906e) */ diff --git a/drivers/usb/wusbcore/wa-hc.c b/drivers/usb/wusbcore/wa-hc.c index 252c7bd..d01496f 100644 --- a/drivers/usb/wusbcore/wa-hc.c +++ b/drivers/usb/wusbcore/wa-hc.c @@ -39,6 +39,9 @@ int wa_create(struct wahc *wa, struct usb_interface *iface, int result; struct device *dev = &iface->dev; + if (iface->cur_altsetting->desc.bNumEndpoints < 3) + return -ENODEV; + result = wa_rpipes_create(wa); if (result < 0) goto error_rpipes_create; diff --git a/drivers/uwb/hwa-rc.c b/drivers/uwb/hwa-rc.c index 0aa6c3c..35a1e77 100644 --- a/drivers/uwb/hwa-rc.c +++ b/drivers/uwb/hwa-rc.c @@ -823,6 +823,9 @@ static int hwarc_probe(struct usb_interface *iface, struct hwarc *hwarc; struct device *dev = &iface->dev; + if (iface->cur_altsetting->desc.bNumEndpoints < 1) + return -ENODEV; + result = -ENOMEM; uwb_rc = uwb_rc_alloc(); if (uwb_rc == NULL) { diff --git a/drivers/uwb/i1480/dfu/usb.c b/drivers/uwb/i1480/dfu/usb.c index 2bfc846..6345e85 100644 --- a/drivers/uwb/i1480/dfu/usb.c +++ b/drivers/uwb/i1480/dfu/usb.c @@ -362,6 +362,9 @@ int i1480_usb_probe(struct usb_interface *iface, const struct usb_device_id *id) result); } + if (iface->cur_altsetting->desc.bNumEndpoints < 1) + return -ENODEV; + result = -ENOMEM; i1480_usb = kzalloc(sizeof(*i1480_usb), GFP_KERNEL); if (i1480_usb == NULL) { diff --git a/drivers/vfio/vfio.c b/drivers/vfio/vfio.c index 609f4f9..561084a 100644 --- a/drivers/vfio/vfio.c +++ b/drivers/vfio/vfio.c @@ -403,6 +403,7 @@ static void vfio_group_release(struct kref *kref) struct iommu_group *iommu_group = group->iommu_group; WARN_ON(!list_empty(&group->device_list)); + WARN_ON(group->notifier.head); list_for_each_entry_safe(unbound, tmp, &group->unbound_list, unbound_next) { @@ -1573,6 +1574,10 @@ static int vfio_group_fops_open(struct inode *inode, struct file *filep) return -EBUSY; } + /* Warn if previous user didn't cleanup and re-init to drop them */ + if (WARN_ON(group->notifier.head)) + BLOCKING_INIT_NOTIFIER_HEAD(&group->notifier); + filep->private_data = group; return 0; @@ -1584,9 +1589,6 @@ static int vfio_group_fops_release(struct inode *inode, struct file *filep) filep->private_data = NULL; - /* Any user didn't unregister? */ - WARN_ON(group->notifier.head); - vfio_group_try_dissolve_container(group); atomic_dec(&group->opened); diff --git a/drivers/vfio/vfio_iommu_type1.c b/drivers/vfio/vfio_iommu_type1.c index c26fa1f..32d2633 100644 --- a/drivers/vfio/vfio_iommu_type1.c +++ b/drivers/vfio/vfio_iommu_type1.c @@ -1182,8 +1182,7 @@ static struct vfio_group *find_iommu_group(struct vfio_domain *domain, return NULL; } -static bool vfio_iommu_has_resv_msi(struct iommu_group *group, - phys_addr_t *base) +static bool vfio_iommu_has_sw_msi(struct iommu_group *group, phys_addr_t *base) { struct list_head group_resv_regions; struct iommu_resv_region *region, *next; @@ -1192,7 +1191,7 @@ static bool vfio_iommu_has_resv_msi(struct iommu_group *group, INIT_LIST_HEAD(&group_resv_regions); iommu_get_group_resv_regions(group, &group_resv_regions); list_for_each_entry(region, &group_resv_regions, list) { - if (region->type & IOMMU_RESV_MSI) { + if (region->type == IOMMU_RESV_SW_MSI) { *base = region->start; ret = true; goto out; @@ -1283,7 +1282,7 @@ static int vfio_iommu_type1_attach_group(void *iommu_data, if (ret) goto out_domain; - resv_msi = vfio_iommu_has_resv_msi(iommu_group, &resv_msi_base); + resv_msi = vfio_iommu_has_sw_msi(iommu_group, &resv_msi_base); INIT_LIST_HEAD(&domain->group_list); list_add(&group->next, &domain->group_list); diff --git a/drivers/vhost/vsock.c b/drivers/vhost/vsock.c index ce5e63d..44eed8e 100644 --- a/drivers/vhost/vsock.c +++ b/drivers/vhost/vsock.c @@ -223,6 +223,46 @@ vhost_transport_send_pkt(struct virtio_vsock_pkt *pkt) return len; } +static int +vhost_transport_cancel_pkt(struct vsock_sock *vsk) +{ + struct vhost_vsock *vsock; + struct virtio_vsock_pkt *pkt, *n; + int cnt = 0; + LIST_HEAD(freeme); + + /* Find the vhost_vsock according to guest context id */ + vsock = vhost_vsock_get(vsk->remote_addr.svm_cid); + if (!vsock) + return -ENODEV; + + spin_lock_bh(&vsock->send_pkt_list_lock); + list_for_each_entry_safe(pkt, n, &vsock->send_pkt_list, list) { + if (pkt->vsk != vsk) + continue; + list_move(&pkt->list, &freeme); + } + spin_unlock_bh(&vsock->send_pkt_list_lock); + + list_for_each_entry_safe(pkt, n, &freeme, list) { + if (pkt->reply) + cnt++; + list_del(&pkt->list); + virtio_transport_free_pkt(pkt); + } + + if (cnt) { + struct vhost_virtqueue *tx_vq = &vsock->vqs[VSOCK_VQ_TX]; + int new_cnt; + + new_cnt = atomic_sub_return(cnt, &vsock->queued_replies); + if (new_cnt + cnt >= tx_vq->num && new_cnt < tx_vq->num) + vhost_poll_queue(&tx_vq->poll); + } + + return 0; +} + static struct virtio_vsock_pkt * vhost_vsock_alloc_pkt(struct vhost_virtqueue *vq, unsigned int out, unsigned int in) @@ -675,6 +715,7 @@ static struct virtio_transport vhost_transport = { .release = virtio_transport_release, .connect = virtio_transport_connect, .shutdown = virtio_transport_shutdown, + .cancel_pkt = vhost_transport_cancel_pkt, .dgram_enqueue = virtio_transport_dgram_enqueue, .dgram_dequeue = virtio_transport_dgram_dequeue, diff --git a/drivers/video/fbdev/efifb.c b/drivers/video/fbdev/efifb.c index 8c4dc1e..b827a81 100644 --- a/drivers/video/fbdev/efifb.c +++ b/drivers/video/fbdev/efifb.c @@ -10,6 +10,7 @@ #include <linux/efi.h> #include <linux/errno.h> #include <linux/fb.h> +#include <linux/pci.h> #include <linux/platform_device.h> #include <linux/screen_info.h> #include <video/vga.h> @@ -143,6 +144,8 @@ static struct attribute *efifb_attrs[] = { }; ATTRIBUTE_GROUPS(efifb); +static bool pci_dev_disabled; /* FB base matches BAR of a disabled device */ + static int efifb_probe(struct platform_device *dev) { struct fb_info *info; @@ -152,7 +155,7 @@ static int efifb_probe(struct platform_device *dev) unsigned int size_total; char *option = NULL; - if (screen_info.orig_video_isVGA != VIDEO_TYPE_EFI) + if (screen_info.orig_video_isVGA != VIDEO_TYPE_EFI || pci_dev_disabled) return -ENODEV; if (fb_get_options("efifb", &option)) @@ -360,3 +363,64 @@ static struct platform_driver efifb_driver = { }; builtin_platform_driver(efifb_driver); + +#if defined(CONFIG_PCI) && !defined(CONFIG_X86) + +static bool pci_bar_found; /* did we find a BAR matching the efifb base? */ + +static void claim_efifb_bar(struct pci_dev *dev, int idx) +{ + u16 word; + + pci_bar_found = true; + + pci_read_config_word(dev, PCI_COMMAND, &word); + if (!(word & PCI_COMMAND_MEMORY)) { + pci_dev_disabled = true; + dev_err(&dev->dev, + "BAR %d: assigned to efifb but device is disabled!\n", + idx); + return; + } + + if (pci_claim_resource(dev, idx)) { + pci_dev_disabled = true; + dev_err(&dev->dev, + "BAR %d: failed to claim resource for efifb!\n", idx); + return; + } + + dev_info(&dev->dev, "BAR %d: assigned to efifb\n", idx); +} + +static void efifb_fixup_resources(struct pci_dev *dev) +{ + u64 base = screen_info.lfb_base; + u64 size = screen_info.lfb_size; + int i; + + if (pci_bar_found || screen_info.orig_video_isVGA != VIDEO_TYPE_EFI) + return; + + if (screen_info.capabilities & VIDEO_CAPABILITY_64BIT_BASE) + base |= (u64)screen_info.ext_lfb_base << 32; + + if (!base) + return; + + for (i = 0; i < PCI_STD_RESOURCE_END; i++) { + struct resource *res = &dev->resource[i]; + + if (!(res->flags & IORESOURCE_MEM)) + continue; + + if (res->start <= base && res->end >= base + size - 1) { + claim_efifb_bar(dev, i); + break; + } + } +} +DECLARE_PCI_FIXUP_CLASS_HEADER(PCI_ANY_ID, PCI_ANY_ID, PCI_BASE_CLASS_DISPLAY, + 16, efifb_fixup_resources); + +#endif diff --git a/drivers/video/fbdev/omap/omapfb_main.c b/drivers/video/fbdev/omap/omapfb_main.c index 1abba07..f4cbfb3 100644 --- a/drivers/video/fbdev/omap/omapfb_main.c +++ b/drivers/video/fbdev/omap/omapfb_main.c @@ -1608,19 +1608,6 @@ static int omapfb_find_ctrl(struct omapfb_device *fbdev) return 0; } -static void check_required_callbacks(struct omapfb_device *fbdev) -{ -#define _C(x) (fbdev->ctrl->x != NULL) -#define _P(x) (fbdev->panel->x != NULL) - BUG_ON(fbdev->ctrl == NULL || fbdev->panel == NULL); - BUG_ON(!(_C(init) && _C(cleanup) && _C(get_caps) && - _C(set_update_mode) && _C(setup_plane) && _C(enable_plane) && - _P(init) && _P(cleanup) && _P(enable) && _P(disable) && - _P(get_caps))); -#undef _P -#undef _C -} - /* * Called by LDM binding to probe and attach a new device. * Initialization sequence: @@ -1705,8 +1692,6 @@ static int omapfb_do_probe(struct platform_device *pdev, omapfb_ops.fb_mmap = omapfb_mmap; init_state++; - check_required_callbacks(fbdev); - r = planes_init(fbdev); if (r) goto cleanup; diff --git a/drivers/video/fbdev/ssd1307fb.c b/drivers/video/fbdev/ssd1307fb.c index bd017b5..f599520 100644 --- a/drivers/video/fbdev/ssd1307fb.c +++ b/drivers/video/fbdev/ssd1307fb.c @@ -578,10 +578,14 @@ static int ssd1307fb_probe(struct i2c_client *client, par->vbat_reg = devm_regulator_get_optional(&client->dev, "vbat"); if (IS_ERR(par->vbat_reg)) { - dev_err(&client->dev, "failed to get VBAT regulator: %ld\n", - PTR_ERR(par->vbat_reg)); ret = PTR_ERR(par->vbat_reg); - goto fb_alloc_error; + if (ret == -ENODEV) { + par->vbat_reg = NULL; + } else { + dev_err(&client->dev, "failed to get VBAT regulator: %d\n", + ret); + goto fb_alloc_error; + } } if (of_property_read_u32(node, "solomon,width", &par->width)) @@ -668,10 +672,13 @@ static int ssd1307fb_probe(struct i2c_client *client, udelay(4); } - ret = regulator_enable(par->vbat_reg); - if (ret) { - dev_err(&client->dev, "failed to enable VBAT: %d\n", ret); - goto reset_oled_error; + if (par->vbat_reg) { + ret = regulator_enable(par->vbat_reg); + if (ret) { + dev_err(&client->dev, "failed to enable VBAT: %d\n", + ret); + goto reset_oled_error; + } } ret = ssd1307fb_init(par); @@ -710,7 +717,8 @@ panel_init_error: pwm_put(par->pwm); }; regulator_enable_error: - regulator_disable(par->vbat_reg); + if (par->vbat_reg) + regulator_disable(par->vbat_reg); reset_oled_error: fb_deferred_io_cleanup(info); fb_alloc_error: diff --git a/drivers/video/fbdev/xen-fbfront.c b/drivers/video/fbdev/xen-fbfront.c index d0115a7..3ee309c 100644 --- a/drivers/video/fbdev/xen-fbfront.c +++ b/drivers/video/fbdev/xen-fbfront.c @@ -643,7 +643,6 @@ static void xenfb_backend_changed(struct xenbus_device *dev, break; case XenbusStateInitWait: -InitWait: xenbus_switch_state(dev, XenbusStateConnected); break; @@ -654,7 +653,8 @@ InitWait: * get Connected twice here. */ if (dev->state != XenbusStateConnected) - goto InitWait; /* no InitWait seen yet, fudge it */ + /* no InitWait seen yet, fudge it */ + xenbus_switch_state(dev, XenbusStateConnected); if (xenbus_read_unsigned(info->xbdev->otherend, "request-update", 0)) diff --git a/drivers/virtio/virtio.c b/drivers/virtio/virtio.c index 400d70b..48230a5 100644 --- a/drivers/virtio/virtio.c +++ b/drivers/virtio/virtio.c @@ -232,6 +232,12 @@ static int virtio_dev_probe(struct device *_d) if (device_features & (1ULL << i)) __virtio_set_bit(dev, i); + if (drv->validate) { + err = drv->validate(dev); + if (err) + goto err; + } + err = virtio_finalize_features(dev); if (err) goto err; diff --git a/drivers/virtio/virtio_balloon.c b/drivers/virtio/virtio_balloon.c index 4e11915..34adf9b 100644 --- a/drivers/virtio/virtio_balloon.c +++ b/drivers/virtio/virtio_balloon.c @@ -242,11 +242,11 @@ static inline void update_stat(struct virtio_balloon *vb, int idx, #define pages_to_bytes(x) ((u64)(x) << PAGE_SHIFT) -static void update_balloon_stats(struct virtio_balloon *vb) +static unsigned int update_balloon_stats(struct virtio_balloon *vb) { unsigned long events[NR_VM_EVENT_ITEMS]; struct sysinfo i; - int idx = 0; + unsigned int idx = 0; long available; all_vm_events(events); @@ -254,18 +254,22 @@ static void update_balloon_stats(struct virtio_balloon *vb) available = si_mem_available(); +#ifdef CONFIG_VM_EVENT_COUNTERS update_stat(vb, idx++, VIRTIO_BALLOON_S_SWAP_IN, pages_to_bytes(events[PSWPIN])); update_stat(vb, idx++, VIRTIO_BALLOON_S_SWAP_OUT, pages_to_bytes(events[PSWPOUT])); update_stat(vb, idx++, VIRTIO_BALLOON_S_MAJFLT, events[PGMAJFAULT]); update_stat(vb, idx++, VIRTIO_BALLOON_S_MINFLT, events[PGFAULT]); +#endif update_stat(vb, idx++, VIRTIO_BALLOON_S_MEMFREE, pages_to_bytes(i.freeram)); update_stat(vb, idx++, VIRTIO_BALLOON_S_MEMTOT, pages_to_bytes(i.totalram)); update_stat(vb, idx++, VIRTIO_BALLOON_S_AVAIL, pages_to_bytes(available)); + + return idx; } /* @@ -291,14 +295,14 @@ static void stats_handle_request(struct virtio_balloon *vb) { struct virtqueue *vq; struct scatterlist sg; - unsigned int len; + unsigned int len, num_stats; - update_balloon_stats(vb); + num_stats = update_balloon_stats(vb); vq = vb->stats_vq; if (!virtqueue_get_buf(vq, &len)) return; - sg_init_one(&sg, vb->stats, sizeof(vb->stats)); + sg_init_one(&sg, vb->stats, sizeof(vb->stats[0]) * num_stats); virtqueue_add_outbuf(vq, &sg, 1, vb, GFP_KERNEL); virtqueue_kick(vq); } @@ -423,13 +427,16 @@ static int init_vqs(struct virtio_balloon *vb) vb->deflate_vq = vqs[1]; if (virtio_has_feature(vb->vdev, VIRTIO_BALLOON_F_STATS_VQ)) { struct scatterlist sg; + unsigned int num_stats; vb->stats_vq = vqs[2]; /* * Prime this virtqueue with one buffer so the hypervisor can * use it to signal us later (it can't be broken yet!). */ - sg_init_one(&sg, vb->stats, sizeof vb->stats); + num_stats = update_balloon_stats(vb); + + sg_init_one(&sg, vb->stats, sizeof(vb->stats[0]) * num_stats); if (virtqueue_add_outbuf(vb->stats_vq, &sg, 1, vb, GFP_KERNEL) < 0) BUG(); diff --git a/drivers/virtio/virtio_pci_common.c b/drivers/virtio/virtio_pci_common.c index df548a6..698d5d0 100644 --- a/drivers/virtio/virtio_pci_common.c +++ b/drivers/virtio/virtio_pci_common.c @@ -33,8 +33,10 @@ void vp_synchronize_vectors(struct virtio_device *vdev) struct virtio_pci_device *vp_dev = to_vp_device(vdev); int i; - synchronize_irq(pci_irq_vector(vp_dev->pci_dev, 0)); - for (i = 1; i < vp_dev->msix_vectors; i++) + if (vp_dev->intx_enabled) + synchronize_irq(vp_dev->pci_dev->irq); + + for (i = 0; i < vp_dev->msix_vectors; ++i) synchronize_irq(pci_irq_vector(vp_dev->pci_dev, i)); } @@ -60,13 +62,16 @@ static irqreturn_t vp_config_changed(int irq, void *opaque) static irqreturn_t vp_vring_interrupt(int irq, void *opaque) { struct virtio_pci_device *vp_dev = opaque; + struct virtio_pci_vq_info *info; irqreturn_t ret = IRQ_NONE; - struct virtqueue *vq; + unsigned long flags; - list_for_each_entry(vq, &vp_dev->vdev.vqs, list) { - if (vq->callback && vring_interrupt(irq, vq) == IRQ_HANDLED) + spin_lock_irqsave(&vp_dev->lock, flags); + list_for_each_entry(info, &vp_dev->virtqueues, node) { + if (vring_interrupt(irq, info->vq) == IRQ_HANDLED) ret = IRQ_HANDLED; } + spin_unlock_irqrestore(&vp_dev->lock, flags); return ret; } @@ -97,185 +102,244 @@ static irqreturn_t vp_interrupt(int irq, void *opaque) return vp_vring_interrupt(irq, opaque); } -static void vp_remove_vqs(struct virtio_device *vdev) +static int vp_request_msix_vectors(struct virtio_device *vdev, int nvectors, + bool per_vq_vectors, struct irq_affinity *desc) { struct virtio_pci_device *vp_dev = to_vp_device(vdev); - struct virtqueue *vq, *n; + const char *name = dev_name(&vp_dev->vdev.dev); + unsigned i, v; + int err = -ENOMEM; - list_for_each_entry_safe(vq, n, &vdev->vqs, list) { - if (vp_dev->msix_vector_map) { - int v = vp_dev->msix_vector_map[vq->index]; + vp_dev->msix_vectors = nvectors; - if (v != VIRTIO_MSI_NO_VECTOR) - free_irq(pci_irq_vector(vp_dev->pci_dev, v), - vq); - } - vp_dev->del_vq(vq); + vp_dev->msix_names = kmalloc(nvectors * sizeof *vp_dev->msix_names, + GFP_KERNEL); + if (!vp_dev->msix_names) + goto error; + vp_dev->msix_affinity_masks + = kzalloc(nvectors * sizeof *vp_dev->msix_affinity_masks, + GFP_KERNEL); + if (!vp_dev->msix_affinity_masks) + goto error; + for (i = 0; i < nvectors; ++i) + if (!alloc_cpumask_var(&vp_dev->msix_affinity_masks[i], + GFP_KERNEL)) + goto error; + + err = pci_alloc_irq_vectors_affinity(vp_dev->pci_dev, nvectors, + nvectors, PCI_IRQ_MSIX | + (desc ? PCI_IRQ_AFFINITY : 0), + desc); + if (err < 0) + goto error; + vp_dev->msix_enabled = 1; + + /* Set the vector used for configuration */ + v = vp_dev->msix_used_vectors; + snprintf(vp_dev->msix_names[v], sizeof *vp_dev->msix_names, + "%s-config", name); + err = request_irq(pci_irq_vector(vp_dev->pci_dev, v), + vp_config_changed, 0, vp_dev->msix_names[v], + vp_dev); + if (err) + goto error; + ++vp_dev->msix_used_vectors; + + v = vp_dev->config_vector(vp_dev, v); + /* Verify we had enough resources to assign the vector */ + if (v == VIRTIO_MSI_NO_VECTOR) { + err = -EBUSY; + goto error; } + + if (!per_vq_vectors) { + /* Shared vector for all VQs */ + v = vp_dev->msix_used_vectors; + snprintf(vp_dev->msix_names[v], sizeof *vp_dev->msix_names, + "%s-virtqueues", name); + err = request_irq(pci_irq_vector(vp_dev->pci_dev, v), + vp_vring_interrupt, 0, vp_dev->msix_names[v], + vp_dev); + if (err) + goto error; + ++vp_dev->msix_used_vectors; + } + return 0; +error: + return err; +} + +static struct virtqueue *vp_setup_vq(struct virtio_device *vdev, unsigned index, + void (*callback)(struct virtqueue *vq), + const char *name, + u16 msix_vec) +{ + struct virtio_pci_device *vp_dev = to_vp_device(vdev); + struct virtio_pci_vq_info *info = kmalloc(sizeof *info, GFP_KERNEL); + struct virtqueue *vq; + unsigned long flags; + + /* fill out our structure that represents an active queue */ + if (!info) + return ERR_PTR(-ENOMEM); + + vq = vp_dev->setup_vq(vp_dev, info, index, callback, name, + msix_vec); + if (IS_ERR(vq)) + goto out_info; + + info->vq = vq; + if (callback) { + spin_lock_irqsave(&vp_dev->lock, flags); + list_add(&info->node, &vp_dev->virtqueues); + spin_unlock_irqrestore(&vp_dev->lock, flags); + } else { + INIT_LIST_HEAD(&info->node); + } + + vp_dev->vqs[index] = info; + return vq; + +out_info: + kfree(info); + return vq; +} + +static void vp_del_vq(struct virtqueue *vq) +{ + struct virtio_pci_device *vp_dev = to_vp_device(vq->vdev); + struct virtio_pci_vq_info *info = vp_dev->vqs[vq->index]; + unsigned long flags; + + spin_lock_irqsave(&vp_dev->lock, flags); + list_del(&info->node); + spin_unlock_irqrestore(&vp_dev->lock, flags); + + vp_dev->del_vq(info); + kfree(info); } /* the config->del_vqs() implementation */ void vp_del_vqs(struct virtio_device *vdev) { struct virtio_pci_device *vp_dev = to_vp_device(vdev); + struct virtqueue *vq, *n; int i; - if (WARN_ON_ONCE(list_empty_careful(&vdev->vqs))) - return; + list_for_each_entry_safe(vq, n, &vdev->vqs, list) { + if (vp_dev->per_vq_vectors) { + int v = vp_dev->vqs[vq->index]->msix_vector; - vp_remove_vqs(vdev); + if (v != VIRTIO_MSI_NO_VECTOR) { + int irq = pci_irq_vector(vp_dev->pci_dev, v); + + irq_set_affinity_hint(irq, NULL); + free_irq(irq, vq); + } + } + vp_del_vq(vq); + } + vp_dev->per_vq_vectors = false; + + if (vp_dev->intx_enabled) { + free_irq(vp_dev->pci_dev->irq, vp_dev); + vp_dev->intx_enabled = 0; + } - if (vp_dev->pci_dev->msix_enabled) { - for (i = 0; i < vp_dev->msix_vectors; i++) + for (i = 0; i < vp_dev->msix_used_vectors; ++i) + free_irq(pci_irq_vector(vp_dev->pci_dev, i), vp_dev); + + for (i = 0; i < vp_dev->msix_vectors; i++) + if (vp_dev->msix_affinity_masks[i]) free_cpumask_var(vp_dev->msix_affinity_masks[i]); + if (vp_dev->msix_enabled) { /* Disable the vector used for configuration */ vp_dev->config_vector(vp_dev, VIRTIO_MSI_NO_VECTOR); - kfree(vp_dev->msix_affinity_masks); - kfree(vp_dev->msix_names); - kfree(vp_dev->msix_vector_map); + pci_free_irq_vectors(vp_dev->pci_dev); + vp_dev->msix_enabled = 0; } - free_irq(pci_irq_vector(vp_dev->pci_dev, 0), vp_dev); - pci_free_irq_vectors(vp_dev->pci_dev); + vp_dev->msix_vectors = 0; + vp_dev->msix_used_vectors = 0; + kfree(vp_dev->msix_names); + vp_dev->msix_names = NULL; + kfree(vp_dev->msix_affinity_masks); + vp_dev->msix_affinity_masks = NULL; + kfree(vp_dev->vqs); + vp_dev->vqs = NULL; } static int vp_find_vqs_msix(struct virtio_device *vdev, unsigned nvqs, struct virtqueue *vqs[], vq_callback_t *callbacks[], - const char * const names[], struct irq_affinity *desc) + const char * const names[], bool per_vq_vectors, + struct irq_affinity *desc) { struct virtio_pci_device *vp_dev = to_vp_device(vdev); - const char *name = dev_name(&vp_dev->vdev.dev); - int i, err = -ENOMEM, allocated_vectors, nvectors; - unsigned flags = PCI_IRQ_MSIX; - bool shared = false; u16 msix_vec; + int i, err, nvectors, allocated_vectors; - if (desc) { - flags |= PCI_IRQ_AFFINITY; - desc->pre_vectors++; /* virtio config vector */ - } - - nvectors = 1; - for (i = 0; i < nvqs; i++) - if (callbacks[i]) - nvectors++; - - /* Try one vector per queue first. */ - err = pci_alloc_irq_vectors_affinity(vp_dev->pci_dev, nvectors, - nvectors, flags, desc); - if (err < 0) { - /* Fallback to one vector for config, one shared for queues. */ - shared = true; - err = pci_alloc_irq_vectors(vp_dev->pci_dev, 2, 2, - PCI_IRQ_MSIX); - if (err < 0) - return err; - } - if (err < 0) - return err; - - vp_dev->msix_vectors = nvectors; - vp_dev->msix_names = kmalloc_array(nvectors, - sizeof(*vp_dev->msix_names), GFP_KERNEL); - if (!vp_dev->msix_names) - goto out_free_irq_vectors; - - vp_dev->msix_affinity_masks = kcalloc(nvectors, - sizeof(*vp_dev->msix_affinity_masks), GFP_KERNEL); - if (!vp_dev->msix_affinity_masks) - goto out_free_msix_names; + vp_dev->vqs = kcalloc(nvqs, sizeof(*vp_dev->vqs), GFP_KERNEL); + if (!vp_dev->vqs) + return -ENOMEM; - for (i = 0; i < nvectors; ++i) { - if (!alloc_cpumask_var(&vp_dev->msix_affinity_masks[i], - GFP_KERNEL)) - goto out_free_msix_affinity_masks; + if (per_vq_vectors) { + /* Best option: one for change interrupt, one per vq. */ + nvectors = 1; + for (i = 0; i < nvqs; ++i) + if (callbacks[i]) + ++nvectors; + } else { + /* Second best: one for change, shared for all vqs. */ + nvectors = 2; } - /* Set the vector used for configuration */ - snprintf(vp_dev->msix_names[0], sizeof(*vp_dev->msix_names), - "%s-config", name); - err = request_irq(pci_irq_vector(vp_dev->pci_dev, 0), vp_config_changed, - 0, vp_dev->msix_names[0], vp_dev); + err = vp_request_msix_vectors(vdev, nvectors, per_vq_vectors, + per_vq_vectors ? desc : NULL); if (err) - goto out_free_msix_affinity_masks; + goto error_find; - /* Verify we had enough resources to assign the vector */ - if (vp_dev->config_vector(vp_dev, 0) == VIRTIO_MSI_NO_VECTOR) { - err = -EBUSY; - goto out_free_config_irq; - } - - vp_dev->msix_vector_map = kmalloc_array(nvqs, - sizeof(*vp_dev->msix_vector_map), GFP_KERNEL); - if (!vp_dev->msix_vector_map) - goto out_disable_config_irq; - - allocated_vectors = 1; /* vector 0 is the config interrupt */ + vp_dev->per_vq_vectors = per_vq_vectors; + allocated_vectors = vp_dev->msix_used_vectors; for (i = 0; i < nvqs; ++i) { if (!names[i]) { vqs[i] = NULL; continue; } - if (callbacks[i]) - msix_vec = allocated_vectors; - else + if (!callbacks[i]) msix_vec = VIRTIO_MSI_NO_VECTOR; - - vqs[i] = vp_dev->setup_vq(vp_dev, i, callbacks[i], names[i], - msix_vec); + else if (vp_dev->per_vq_vectors) + msix_vec = allocated_vectors++; + else + msix_vec = VP_MSIX_VQ_VECTOR; + vqs[i] = vp_setup_vq(vdev, i, callbacks[i], names[i], + msix_vec); if (IS_ERR(vqs[i])) { err = PTR_ERR(vqs[i]); - goto out_remove_vqs; + goto error_find; } - if (msix_vec == VIRTIO_MSI_NO_VECTOR) { - vp_dev->msix_vector_map[i] = VIRTIO_MSI_NO_VECTOR; + if (!vp_dev->per_vq_vectors || msix_vec == VIRTIO_MSI_NO_VECTOR) continue; - } - snprintf(vp_dev->msix_names[i + 1], - sizeof(*vp_dev->msix_names), "%s-%s", + /* allocate per-vq irq if available and necessary */ + snprintf(vp_dev->msix_names[msix_vec], + sizeof *vp_dev->msix_names, + "%s-%s", dev_name(&vp_dev->vdev.dev), names[i]); err = request_irq(pci_irq_vector(vp_dev->pci_dev, msix_vec), - vring_interrupt, IRQF_SHARED, - vp_dev->msix_names[i + 1], vqs[i]); - if (err) { - /* don't free this irq on error */ - vp_dev->msix_vector_map[i] = VIRTIO_MSI_NO_VECTOR; - goto out_remove_vqs; - } - vp_dev->msix_vector_map[i] = msix_vec; - - /* - * Use a different vector for each queue if they are available, - * else share the same vector for all VQs. - */ - if (!shared) - allocated_vectors++; + vring_interrupt, 0, + vp_dev->msix_names[msix_vec], + vqs[i]); + if (err) + goto error_find; } - return 0; -out_remove_vqs: - vp_remove_vqs(vdev); - kfree(vp_dev->msix_vector_map); -out_disable_config_irq: - vp_dev->config_vector(vp_dev, VIRTIO_MSI_NO_VECTOR); -out_free_config_irq: - free_irq(pci_irq_vector(vp_dev->pci_dev, 0), vp_dev); -out_free_msix_affinity_masks: - for (i = 0; i < nvectors; i++) { - if (vp_dev->msix_affinity_masks[i]) - free_cpumask_var(vp_dev->msix_affinity_masks[i]); - } - kfree(vp_dev->msix_affinity_masks); -out_free_msix_names: - kfree(vp_dev->msix_names); -out_free_irq_vectors: - pci_free_irq_vectors(vp_dev->pci_dev); +error_find: + vp_del_vqs(vdev); return err; } @@ -286,29 +350,33 @@ static int vp_find_vqs_intx(struct virtio_device *vdev, unsigned nvqs, struct virtio_pci_device *vp_dev = to_vp_device(vdev); int i, err; + vp_dev->vqs = kcalloc(nvqs, sizeof(*vp_dev->vqs), GFP_KERNEL); + if (!vp_dev->vqs) + return -ENOMEM; + err = request_irq(vp_dev->pci_dev->irq, vp_interrupt, IRQF_SHARED, dev_name(&vdev->dev), vp_dev); if (err) - return err; + goto out_del_vqs; + vp_dev->intx_enabled = 1; + vp_dev->per_vq_vectors = false; for (i = 0; i < nvqs; ++i) { if (!names[i]) { vqs[i] = NULL; continue; } - vqs[i] = vp_dev->setup_vq(vp_dev, i, callbacks[i], names[i], - VIRTIO_MSI_NO_VECTOR); + vqs[i] = vp_setup_vq(vdev, i, callbacks[i], names[i], + VIRTIO_MSI_NO_VECTOR); if (IS_ERR(vqs[i])) { err = PTR_ERR(vqs[i]); - goto out_remove_vqs; + goto out_del_vqs; } } return 0; - -out_remove_vqs: - vp_remove_vqs(vdev); - free_irq(pci_irq_vector(vp_dev->pci_dev, 0), vp_dev); +out_del_vqs: + vp_del_vqs(vdev); return err; } @@ -319,9 +387,15 @@ int vp_find_vqs(struct virtio_device *vdev, unsigned nvqs, { int err; - err = vp_find_vqs_msix(vdev, nvqs, vqs, callbacks, names, desc); + /* Try MSI-X with one vector per queue. */ + err = vp_find_vqs_msix(vdev, nvqs, vqs, callbacks, names, true, desc); if (!err) return 0; + /* Fallback: MSI-X with one vector for config, one shared for queues. */ + err = vp_find_vqs_msix(vdev, nvqs, vqs, callbacks, names, false, desc); + if (!err) + return 0; + /* Finally fall back to regular interrupts. */ return vp_find_vqs_intx(vdev, nvqs, vqs, callbacks, names); } @@ -341,15 +415,16 @@ int vp_set_vq_affinity(struct virtqueue *vq, int cpu) { struct virtio_device *vdev = vq->vdev; struct virtio_pci_device *vp_dev = to_vp_device(vdev); + struct virtio_pci_vq_info *info = vp_dev->vqs[vq->index]; + struct cpumask *mask; + unsigned int irq; if (!vq->callback) return -EINVAL; - if (vp_dev->pci_dev->msix_enabled) { - int vec = vp_dev->msix_vector_map[vq->index]; - struct cpumask *mask = vp_dev->msix_affinity_masks[vec]; - unsigned int irq = pci_irq_vector(vp_dev->pci_dev, vec); - + if (vp_dev->msix_enabled) { + mask = vp_dev->msix_affinity_masks[info->msix_vector]; + irq = pci_irq_vector(vp_dev->pci_dev, info->msix_vector); if (cpu == -1) irq_set_affinity_hint(irq, NULL); else { @@ -364,12 +439,13 @@ int vp_set_vq_affinity(struct virtqueue *vq, int cpu) const struct cpumask *vp_get_vq_affinity(struct virtio_device *vdev, int index) { struct virtio_pci_device *vp_dev = to_vp_device(vdev); - unsigned int *map = vp_dev->msix_vector_map; - if (!map || map[index] == VIRTIO_MSI_NO_VECTOR) + if (!vp_dev->per_vq_vectors || + vp_dev->vqs[index]->msix_vector == VIRTIO_MSI_NO_VECTOR) return NULL; - return pci_irq_get_affinity(vp_dev->pci_dev, map[index]); + return pci_irq_get_affinity(vp_dev->pci_dev, + vp_dev->vqs[index]->msix_vector); } #ifdef CONFIG_PM_SLEEP @@ -440,6 +516,8 @@ static int virtio_pci_probe(struct pci_dev *pci_dev, vp_dev->vdev.dev.parent = &pci_dev->dev; vp_dev->vdev.dev.release = virtio_pci_release_dev; vp_dev->pci_dev = pci_dev; + INIT_LIST_HEAD(&vp_dev->virtqueues); + spin_lock_init(&vp_dev->lock); /* enable the device */ rc = pci_enable_device(pci_dev); diff --git a/drivers/virtio/virtio_pci_common.h b/drivers/virtio/virtio_pci_common.h index ac8c9d7..e96334a 100644 --- a/drivers/virtio/virtio_pci_common.h +++ b/drivers/virtio/virtio_pci_common.h @@ -31,6 +31,17 @@ #include <linux/highmem.h> #include <linux/spinlock.h> +struct virtio_pci_vq_info { + /* the actual virtqueue */ + struct virtqueue *vq; + + /* the list node for the virtqueues list */ + struct list_head node; + + /* MSI-X vector (or none) */ + unsigned msix_vector; +}; + /* Our device structure */ struct virtio_pci_device { struct virtio_device vdev; @@ -64,25 +75,47 @@ struct virtio_pci_device { /* the IO mapping for the PCI config space */ void __iomem *ioaddr; + /* a list of queues so we can dispatch IRQs */ + spinlock_t lock; + struct list_head virtqueues; + + /* array of all queues for house-keeping */ + struct virtio_pci_vq_info **vqs; + + /* MSI-X support */ + int msix_enabled; + int intx_enabled; cpumask_var_t *msix_affinity_masks; /* Name strings for interrupts. This size should be enough, * and I'm too lazy to allocate each name separately. */ char (*msix_names)[256]; - /* Total Number of MSI-X vectors (including per-VQ ones). */ - int msix_vectors; - /* Map of per-VQ MSI-X vectors, may be NULL */ - unsigned *msix_vector_map; + /* Number of available vectors */ + unsigned msix_vectors; + /* Vectors allocated, excluding per-vq vectors if any */ + unsigned msix_used_vectors; + + /* Whether we have vector per vq */ + bool per_vq_vectors; struct virtqueue *(*setup_vq)(struct virtio_pci_device *vp_dev, + struct virtio_pci_vq_info *info, unsigned idx, void (*callback)(struct virtqueue *vq), const char *name, u16 msix_vec); - void (*del_vq)(struct virtqueue *vq); + void (*del_vq)(struct virtio_pci_vq_info *info); u16 (*config_vector)(struct virtio_pci_device *vp_dev, u16 vector); }; +/* Constants for MSI-X */ +/* Use first vector for configuration changes, second and the rest for + * virtqueues Thus, we need at least 2 vectors for MSI. */ +enum { + VP_MSIX_CONFIG_VECTOR = 0, + VP_MSIX_VQ_VECTOR = 1, +}; + /* Convert a generic virtio device to our structure */ static struct virtio_pci_device *to_vp_device(struct virtio_device *vdev) { diff --git a/drivers/virtio/virtio_pci_legacy.c b/drivers/virtio/virtio_pci_legacy.c index f7362c5..4bfa48f 100644 --- a/drivers/virtio/virtio_pci_legacy.c +++ b/drivers/virtio/virtio_pci_legacy.c @@ -112,6 +112,7 @@ static u16 vp_config_vector(struct virtio_pci_device *vp_dev, u16 vector) } static struct virtqueue *setup_vq(struct virtio_pci_device *vp_dev, + struct virtio_pci_vq_info *info, unsigned index, void (*callback)(struct virtqueue *vq), const char *name, @@ -129,6 +130,8 @@ static struct virtqueue *setup_vq(struct virtio_pci_device *vp_dev, if (!num || ioread32(vp_dev->ioaddr + VIRTIO_PCI_QUEUE_PFN)) return ERR_PTR(-ENOENT); + info->msix_vector = msix_vec; + /* create the vring */ vq = vring_create_virtqueue(index, num, VIRTIO_PCI_VRING_ALIGN, &vp_dev->vdev, @@ -159,13 +162,14 @@ out_deactivate: return ERR_PTR(err); } -static void del_vq(struct virtqueue *vq) +static void del_vq(struct virtio_pci_vq_info *info) { + struct virtqueue *vq = info->vq; struct virtio_pci_device *vp_dev = to_vp_device(vq->vdev); iowrite16(vq->index, vp_dev->ioaddr + VIRTIO_PCI_QUEUE_SEL); - if (vp_dev->pci_dev->msix_enabled) { + if (vp_dev->msix_enabled) { iowrite16(VIRTIO_MSI_NO_VECTOR, vp_dev->ioaddr + VIRTIO_MSI_QUEUE_VECTOR); /* Flush the write out to device */ diff --git a/drivers/virtio/virtio_pci_modern.c b/drivers/virtio/virtio_pci_modern.c index 7bc3004..8978f10 100644 --- a/drivers/virtio/virtio_pci_modern.c +++ b/drivers/virtio/virtio_pci_modern.c @@ -293,6 +293,7 @@ static u16 vp_config_vector(struct virtio_pci_device *vp_dev, u16 vector) } static struct virtqueue *setup_vq(struct virtio_pci_device *vp_dev, + struct virtio_pci_vq_info *info, unsigned index, void (*callback)(struct virtqueue *vq), const char *name, @@ -322,6 +323,8 @@ static struct virtqueue *setup_vq(struct virtio_pci_device *vp_dev, /* get offset of notification word for this vq */ off = vp_ioread16(&cfg->queue_notify_off); + info->msix_vector = msix_vec; + /* create the vring */ vq = vring_create_virtqueue(index, num, SMP_CACHE_BYTES, &vp_dev->vdev, @@ -405,13 +408,14 @@ static int vp_modern_find_vqs(struct virtio_device *vdev, unsigned nvqs, return 0; } -static void del_vq(struct virtqueue *vq) +static void del_vq(struct virtio_pci_vq_info *info) { + struct virtqueue *vq = info->vq; struct virtio_pci_device *vp_dev = to_vp_device(vq->vdev); vp_iowrite16(vq->index, &vp_dev->common->queue_select); - if (vp_dev->pci_dev->msix_enabled) { + if (vp_dev->msix_enabled) { vp_iowrite16(VIRTIO_MSI_NO_VECTOR, &vp_dev->common->queue_msix_vector); /* Flush the write out to device */ diff --git a/drivers/xen/gntdev.c b/drivers/xen/gntdev.c index c77a075..f3bf8f4 100644 --- a/drivers/xen/gntdev.c +++ b/drivers/xen/gntdev.c @@ -36,6 +36,7 @@ #include <linux/spinlock.h> #include <linux/slab.h> #include <linux/highmem.h> +#include <linux/refcount.h> #include <xen/xen.h> #include <xen/grant_table.h> @@ -86,7 +87,7 @@ struct grant_map { int index; int count; int flags; - atomic_t users; + refcount_t users; struct unmap_notify notify; struct ioctl_gntdev_grant_ref *grants; struct gnttab_map_grant_ref *map_ops; @@ -166,7 +167,7 @@ static struct grant_map *gntdev_alloc_map(struct gntdev_priv *priv, int count) add->index = 0; add->count = count; - atomic_set(&add->users, 1); + refcount_set(&add->users, 1); return add; @@ -212,7 +213,7 @@ static void gntdev_put_map(struct gntdev_priv *priv, struct grant_map *map) if (!map) return; - if (!atomic_dec_and_test(&map->users)) + if (!refcount_dec_and_test(&map->users)) return; atomic_sub(map->count, &pages_mapped); @@ -400,7 +401,7 @@ static void gntdev_vma_open(struct vm_area_struct *vma) struct grant_map *map = vma->vm_private_data; pr_debug("gntdev_vma_open %p\n", vma); - atomic_inc(&map->users); + refcount_inc(&map->users); } static void gntdev_vma_close(struct vm_area_struct *vma) @@ -1004,7 +1005,7 @@ static int gntdev_mmap(struct file *flip, struct vm_area_struct *vma) goto unlock_out; } - atomic_inc(&map->users); + refcount_inc(&map->users); vma->vm_ops = &gntdev_vmops; diff --git a/drivers/xen/xen-acpi-processor.c b/drivers/xen/xen-acpi-processor.c index 4ce10bc..23e391d 100644 --- a/drivers/xen/xen-acpi-processor.c +++ b/drivers/xen/xen-acpi-processor.c @@ -27,10 +27,10 @@ #include <linux/init.h> #include <linux/module.h> #include <linux/types.h> +#include <linux/syscore_ops.h> #include <linux/acpi.h> #include <acpi/processor.h> #include <xen/xen.h> -#include <xen/xen-ops.h> #include <xen/interface/platform.h> #include <asm/xen/hypercall.h> @@ -408,7 +408,7 @@ static int check_acpi_ids(struct acpi_processor *pr_backup) acpi_walk_namespace(ACPI_TYPE_PROCESSOR, ACPI_ROOT_OBJECT, ACPI_UINT32_MAX, read_acpi_id, NULL, NULL, NULL); - acpi_get_devices("ACPI0007", read_acpi_id, NULL, NULL); + acpi_get_devices(ACPI_PROCESSOR_DEVICE_HID, read_acpi_id, NULL, NULL); upload: if (!bitmap_equal(acpi_id_present, acpi_ids_done, nr_acpi_bits)) { @@ -466,15 +466,33 @@ static int xen_upload_processor_pm_data(void) return rc; } -static int xen_acpi_processor_resume(struct notifier_block *nb, - unsigned long action, void *data) +static void xen_acpi_processor_resume_worker(struct work_struct *dummy) { + int rc; + bitmap_zero(acpi_ids_done, nr_acpi_bits); - return xen_upload_processor_pm_data(); + + rc = xen_upload_processor_pm_data(); + if (rc != 0) + pr_info("ACPI data upload failed, error = %d\n", rc); +} + +static void xen_acpi_processor_resume(void) +{ + static DECLARE_WORK(wq, xen_acpi_processor_resume_worker); + + /* + * xen_upload_processor_pm_data() calls non-atomic code. + * However, the context for xen_acpi_processor_resume is syscore + * with only the boot CPU online and in an atomic context. + * + * So defer the upload for some point safer. + */ + schedule_work(&wq); } -struct notifier_block xen_acpi_processor_resume_nb = { - .notifier_call = xen_acpi_processor_resume, +static struct syscore_ops xap_syscore_ops = { + .resume = xen_acpi_processor_resume, }; static int __init xen_acpi_processor_init(void) @@ -527,7 +545,7 @@ static int __init xen_acpi_processor_init(void) if (rc) goto err_unregister; - xen_resume_notifier_register(&xen_acpi_processor_resume_nb); + register_syscore_ops(&xap_syscore_ops); return 0; err_unregister: @@ -544,7 +562,7 @@ static void __exit xen_acpi_processor_exit(void) { int i; - xen_resume_notifier_unregister(&xen_acpi_processor_resume_nb); + unregister_syscore_ops(&xap_syscore_ops); kfree(acpi_ids_done); kfree(acpi_id_present); kfree(acpi_id_cst_present); diff --git a/drivers/xen/xenbus/xenbus_dev_frontend.c b/drivers/xen/xenbus/xenbus_dev_frontend.c index 1f4733b..f3b089b 100644 --- a/drivers/xen/xenbus/xenbus_dev_frontend.c +++ b/drivers/xen/xenbus/xenbus_dev_frontend.c @@ -442,8 +442,10 @@ static int xenbus_write_transaction(unsigned msg_type, return xenbus_command_reply(u, XS_ERROR, "ENOENT"); rc = xenbus_dev_request_and_reply(&u->u.msg, u); - if (rc) + if (rc && trans) { + list_del(&trans->list); kfree(trans); + } out: return rc; diff --git a/fs/afs/callback.c b/fs/afs/callback.c index b29447e..25d404d 100644 --- a/fs/afs/callback.c +++ b/fs/afs/callback.c @@ -362,7 +362,7 @@ static void afs_callback_updater(struct work_struct *work) { struct afs_server *server; struct afs_vnode *vnode, *xvnode; - time_t now; + time64_t now; long timeout; int ret; @@ -370,7 +370,7 @@ static void afs_callback_updater(struct work_struct *work) _enter(""); - now = get_seconds(); + now = ktime_get_real_seconds(); /* find the first vnode to update */ spin_lock(&server->cb_lock); @@ -424,7 +424,8 @@ static void afs_callback_updater(struct work_struct *work) /* and then reschedule */ _debug("reschedule"); - vnode->update_at = get_seconds() + afs_vnode_update_timeout; + vnode->update_at = ktime_get_real_seconds() + + afs_vnode_update_timeout; spin_lock(&server->cb_lock); diff --git a/fs/afs/cmservice.c b/fs/afs/cmservice.c index 2edbdcb..3062cce 100644 --- a/fs/afs/cmservice.c +++ b/fs/afs/cmservice.c @@ -187,7 +187,6 @@ static int afs_deliver_cb_callback(struct afs_call *call) struct afs_callback *cb; struct afs_server *server; __be32 *bp; - u32 tmp; int ret, loop; _enter("{%u}", call->unmarshall); @@ -249,9 +248,9 @@ static int afs_deliver_cb_callback(struct afs_call *call) if (ret < 0) return ret; - tmp = ntohl(call->tmp); - _debug("CB count: %u", tmp); - if (tmp != call->count && tmp != 0) + call->count2 = ntohl(call->tmp); + _debug("CB count: %u", call->count2); + if (call->count2 != call->count && call->count2 != 0) return -EBADMSG; call->offset = 0; call->unmarshall++; @@ -259,14 +258,14 @@ static int afs_deliver_cb_callback(struct afs_call *call) case 4: _debug("extract CB array"); ret = afs_extract_data(call, call->buffer, - call->count * 3 * 4, false); + call->count2 * 3 * 4, false); if (ret < 0) return ret; _debug("unmarshall CB array"); cb = call->request; bp = call->buffer; - for (loop = call->count; loop > 0; loop--, cb++) { + for (loop = call->count2; loop > 0; loop--, cb++) { cb->version = ntohl(*bp++); cb->expiry = ntohl(*bp++); cb->type = ntohl(*bp++); diff --git a/fs/afs/file.c b/fs/afs/file.c index ba7b71f..0d5b850 100644 --- a/fs/afs/file.c +++ b/fs/afs/file.c @@ -30,6 +30,7 @@ static int afs_readpages(struct file *filp, struct address_space *mapping, const struct file_operations afs_file_operations = { .open = afs_open, + .flush = afs_flush, .release = afs_release, .llseek = generic_file_llseek, .read_iter = generic_file_read_iter, @@ -184,10 +185,13 @@ int afs_page_filler(void *data, struct page *page) if (!req) goto enomem; + /* We request a full page. If the page is a partial one at the + * end of the file, the server will return a short read and the + * unmarshalling code will clear the unfilled space. + */ atomic_set(&req->usage, 1); req->pos = (loff_t)page->index << PAGE_SHIFT; - req->len = min_t(size_t, i_size_read(inode) - req->pos, - PAGE_SIZE); + req->len = PAGE_SIZE; req->nr_pages = 1; req->pages[0] = page; get_page(page); @@ -208,7 +212,13 @@ int afs_page_filler(void *data, struct page *page) fscache_uncache_page(vnode->cache, page); #endif BUG_ON(PageFsCache(page)); - goto error; + + if (ret == -EINTR || + ret == -ENOMEM || + ret == -ERESTARTSYS || + ret == -EAGAIN) + goto error; + goto io_error; } SetPageUptodate(page); @@ -227,10 +237,12 @@ int afs_page_filler(void *data, struct page *page) _leave(" = 0"); return 0; +io_error: + SetPageError(page); + goto error; enomem: ret = -ENOMEM; error: - SetPageError(page); unlock_page(page); _leave(" = %d", ret); return ret; diff --git a/fs/afs/fsclient.c b/fs/afs/fsclient.c index ac8e766..19f76ae 100644 --- a/fs/afs/fsclient.c +++ b/fs/afs/fsclient.c @@ -17,6 +17,12 @@ #include "afs_fs.h" /* + * We need somewhere to discard into in case the server helpfully returns more + * than we asked for in FS.FetchData{,64}. + */ +static u8 afs_discard_buffer[64]; + +/* * decode an AFSFid block */ static void xdr_decode_AFSFid(const __be32 **_bp, struct afs_fid *fid) @@ -105,7 +111,7 @@ static void xdr_decode_AFSFetchStatus(const __be32 **_bp, vnode->vfs_inode.i_mode = mode; } - vnode->vfs_inode.i_ctime.tv_sec = status->mtime_server; + vnode->vfs_inode.i_ctime.tv_sec = status->mtime_client; vnode->vfs_inode.i_mtime = vnode->vfs_inode.i_ctime; vnode->vfs_inode.i_atime = vnode->vfs_inode.i_ctime; vnode->vfs_inode.i_version = data_version; @@ -139,7 +145,7 @@ static void xdr_decode_AFSCallBack(const __be32 **_bp, struct afs_vnode *vnode) vnode->cb_version = ntohl(*bp++); vnode->cb_expiry = ntohl(*bp++); vnode->cb_type = ntohl(*bp++); - vnode->cb_expires = vnode->cb_expiry + get_seconds(); + vnode->cb_expires = vnode->cb_expiry + ktime_get_real_seconds(); *_bp = bp; } @@ -315,7 +321,7 @@ static int afs_deliver_fs_fetch_data(struct afs_call *call) void *buffer; int ret; - _enter("{%u,%zu/%u;%u/%llu}", + _enter("{%u,%zu/%u;%llu/%llu}", call->unmarshall, call->offset, call->count, req->remain, req->actual_len); @@ -353,12 +359,6 @@ static int afs_deliver_fs_fetch_data(struct afs_call *call) req->actual_len |= ntohl(call->tmp); _debug("DATA length: %llu", req->actual_len); - /* Check that the server didn't want to send us extra. We - * might want to just discard instead, but that requires - * cooperation from AF_RXRPC. - */ - if (req->actual_len > req->len) - return -EBADMSG; req->remain = req->actual_len; call->offset = req->pos & (PAGE_SIZE - 1); @@ -368,6 +368,7 @@ static int afs_deliver_fs_fetch_data(struct afs_call *call) call->unmarshall++; begin_page: + ASSERTCMP(req->index, <, req->nr_pages); if (req->remain > PAGE_SIZE - call->offset) size = PAGE_SIZE - call->offset; else @@ -378,7 +379,7 @@ static int afs_deliver_fs_fetch_data(struct afs_call *call) /* extract the returned data */ case 3: - _debug("extract data %u/%llu %zu/%u", + _debug("extract data %llu/%llu %zu/%u", req->remain, req->actual_len, call->offset, call->count); buffer = kmap(req->pages[req->index]); @@ -389,19 +390,40 @@ static int afs_deliver_fs_fetch_data(struct afs_call *call) if (call->offset == PAGE_SIZE) { if (req->page_done) req->page_done(call, req); + req->index++; if (req->remain > 0) { - req->index++; call->offset = 0; + if (req->index >= req->nr_pages) { + call->unmarshall = 4; + goto begin_discard; + } goto begin_page; } } + goto no_more_data; + + /* Discard any excess data the server gave us */ + begin_discard: + case 4: + size = min_t(loff_t, sizeof(afs_discard_buffer), req->remain); + call->count = size; + _debug("extract discard %llu/%llu %zu/%u", + req->remain, req->actual_len, call->offset, call->count); + + call->offset = 0; + ret = afs_extract_data(call, afs_discard_buffer, call->count, true); + req->remain -= call->offset; + if (ret < 0) + return ret; + if (req->remain > 0) + goto begin_discard; no_more_data: call->offset = 0; - call->unmarshall++; + call->unmarshall = 5; /* extract the metadata */ - case 4: + case 5: ret = afs_extract_data(call, call->buffer, (21 + 3 + 6) * 4, false); if (ret < 0) @@ -416,16 +438,17 @@ static int afs_deliver_fs_fetch_data(struct afs_call *call) call->offset = 0; call->unmarshall++; - case 5: + case 6: break; } - if (call->count < PAGE_SIZE) { - buffer = kmap(req->pages[req->index]); - memset(buffer + call->count, 0, PAGE_SIZE - call->count); - kunmap(req->pages[req->index]); + for (; req->index < req->nr_pages; req->index++) { + if (call->count < PAGE_SIZE) + zero_user_segment(req->pages[req->index], + call->count, PAGE_SIZE); if (req->page_done) req->page_done(call, req); + call->count = 0; } _leave(" = 0 [done]"); @@ -711,8 +734,8 @@ int afs_fs_create(struct afs_server *server, memset(bp, 0, padsz); bp = (void *) bp + padsz; } - *bp++ = htonl(AFS_SET_MODE); - *bp++ = 0; /* mtime */ + *bp++ = htonl(AFS_SET_MODE | AFS_SET_MTIME); + *bp++ = htonl(vnode->vfs_inode.i_mtime.tv_sec); /* mtime */ *bp++ = 0; /* owner */ *bp++ = 0; /* group */ *bp++ = htonl(mode & S_IALLUGO); /* unix mode */ @@ -980,8 +1003,8 @@ int afs_fs_symlink(struct afs_server *server, memset(bp, 0, c_padsz); bp = (void *) bp + c_padsz; } - *bp++ = htonl(AFS_SET_MODE); - *bp++ = 0; /* mtime */ + *bp++ = htonl(AFS_SET_MODE | AFS_SET_MTIME); + *bp++ = htonl(vnode->vfs_inode.i_mtime.tv_sec); /* mtime */ *bp++ = 0; /* owner */ *bp++ = 0; /* group */ *bp++ = htonl(S_IRWXUGO); /* unix mode */ @@ -1180,8 +1203,8 @@ static int afs_fs_store_data64(struct afs_server *server, *bp++ = htonl(vnode->fid.vnode); *bp++ = htonl(vnode->fid.unique); - *bp++ = 0; /* mask */ - *bp++ = 0; /* mtime */ + *bp++ = htonl(AFS_SET_MTIME); /* mask */ + *bp++ = htonl(vnode->vfs_inode.i_mtime.tv_sec); /* mtime */ *bp++ = 0; /* owner */ *bp++ = 0; /* group */ *bp++ = 0; /* unix mode */ @@ -1213,7 +1236,7 @@ int afs_fs_store_data(struct afs_server *server, struct afs_writeback *wb, _enter(",%x,{%x:%u},,", key_serial(wb->key), vnode->fid.vid, vnode->fid.vnode); - size = to - offset; + size = (loff_t)to - (loff_t)offset; if (first != last) size += (loff_t)(last - first) << PAGE_SHIFT; pos = (loff_t)first << PAGE_SHIFT; @@ -1257,8 +1280,8 @@ int afs_fs_store_data(struct afs_server *server, struct afs_writeback *wb, *bp++ = htonl(vnode->fid.vnode); *bp++ = htonl(vnode->fid.unique); - *bp++ = 0; /* mask */ - *bp++ = 0; /* mtime */ + *bp++ = htonl(AFS_SET_MTIME); /* mask */ + *bp++ = htonl(vnode->vfs_inode.i_mtime.tv_sec); /* mtime */ *bp++ = 0; /* owner */ *bp++ = 0; /* group */ *bp++ = 0; /* unix mode */ diff --git a/fs/afs/inode.c b/fs/afs/inode.c index 1e4897a..aae55dd 100644 --- a/fs/afs/inode.c +++ b/fs/afs/inode.c @@ -54,8 +54,21 @@ static int afs_inode_map_status(struct afs_vnode *vnode, struct key *key) inode->i_fop = &afs_dir_file_operations; break; case AFS_FTYPE_SYMLINK: - inode->i_mode = S_IFLNK | vnode->status.mode; - inode->i_op = &page_symlink_inode_operations; + /* Symlinks with a mode of 0644 are actually mountpoints. */ + if ((vnode->status.mode & 0777) == 0644) { + inode->i_flags |= S_AUTOMOUNT; + + spin_lock(&vnode->lock); + set_bit(AFS_VNODE_MOUNTPOINT, &vnode->flags); + spin_unlock(&vnode->lock); + + inode->i_mode = S_IFDIR | 0555; + inode->i_op = &afs_mntpt_inode_operations; + inode->i_fop = &afs_mntpt_file_operations; + } else { + inode->i_mode = S_IFLNK | vnode->status.mode; + inode->i_op = &page_symlink_inode_operations; + } inode_nohighmem(inode); break; default: @@ -70,27 +83,15 @@ static int afs_inode_map_status(struct afs_vnode *vnode, struct key *key) set_nlink(inode, vnode->status.nlink); inode->i_uid = vnode->status.owner; - inode->i_gid = GLOBAL_ROOT_GID; + inode->i_gid = vnode->status.group; inode->i_size = vnode->status.size; - inode->i_ctime.tv_sec = vnode->status.mtime_server; + inode->i_ctime.tv_sec = vnode->status.mtime_client; inode->i_ctime.tv_nsec = 0; inode->i_atime = inode->i_mtime = inode->i_ctime; inode->i_blocks = 0; inode->i_generation = vnode->fid.unique; inode->i_version = vnode->status.data_version; inode->i_mapping->a_ops = &afs_fs_aops; - - /* check to see whether a symbolic link is really a mountpoint */ - if (vnode->status.type == AFS_FTYPE_SYMLINK) { - afs_mntpt_check_symlink(vnode, key); - - if (test_bit(AFS_VNODE_MOUNTPOINT, &vnode->flags)) { - inode->i_mode = S_IFDIR | vnode->status.mode; - inode->i_op = &afs_mntpt_inode_operations; - inode->i_fop = &afs_mntpt_file_operations; - } - } - return 0; } @@ -245,12 +246,13 @@ struct inode *afs_iget(struct super_block *sb, struct key *key, vnode->cb_version = 0; vnode->cb_expiry = 0; vnode->cb_type = 0; - vnode->cb_expires = get_seconds(); + vnode->cb_expires = ktime_get_real_seconds(); } else { vnode->cb_version = cb->version; vnode->cb_expiry = cb->expiry; vnode->cb_type = cb->type; - vnode->cb_expires = vnode->cb_expiry + get_seconds(); + vnode->cb_expires = vnode->cb_expiry + + ktime_get_real_seconds(); } } @@ -323,7 +325,7 @@ int afs_validate(struct afs_vnode *vnode, struct key *key) !test_bit(AFS_VNODE_CB_BROKEN, &vnode->flags) && !test_bit(AFS_VNODE_MODIFIED, &vnode->flags) && !test_bit(AFS_VNODE_ZAP_DATA, &vnode->flags)) { - if (vnode->cb_expires < get_seconds() + 10) { + if (vnode->cb_expires < ktime_get_real_seconds() + 10) { _debug("callback expired"); set_bit(AFS_VNODE_CB_BROKEN, &vnode->flags); } else { @@ -444,7 +446,7 @@ void afs_evict_inode(struct inode *inode) mutex_lock(&vnode->permits_lock); permits = vnode->permits; - rcu_assign_pointer(vnode->permits, NULL); + RCU_INIT_POINTER(vnode->permits, NULL); mutex_unlock(&vnode->permits_lock); if (permits) call_rcu(&permits->rcu, afs_zap_permits); diff --git a/fs/afs/internal.h b/fs/afs/internal.h index 5dfa569..a690136 100644 --- a/fs/afs/internal.h +++ b/fs/afs/internal.h @@ -11,6 +11,7 @@ #include <linux/compiler.h> #include <linux/kernel.h> +#include <linux/ktime.h> #include <linux/fs.h> #include <linux/pagemap.h> #include <linux/rxrpc.h> @@ -90,7 +91,10 @@ struct afs_call { unsigned request_size; /* size of request data */ unsigned reply_max; /* maximum size of reply */ unsigned first_offset; /* offset into mapping[first] */ - unsigned last_to; /* amount of mapping[last] */ + union { + unsigned last_to; /* amount of mapping[last] */ + unsigned count2; /* count used in unmarshalling */ + }; unsigned char unmarshall; /* unmarshalling phase */ bool incoming; /* T if incoming call */ bool send_pages; /* T if data from mapping should be sent */ @@ -127,12 +131,11 @@ struct afs_call_type { */ struct afs_read { loff_t pos; /* Where to start reading */ - loff_t len; /* How much to read */ + loff_t len; /* How much we're asking for */ loff_t actual_len; /* How much we're actually getting */ + loff_t remain; /* Amount remaining */ atomic_t usage; - unsigned int remain; /* Amount remaining */ unsigned int index; /* Which page we're reading into */ - unsigned int pg_offset; /* Offset in page we're at */ unsigned int nr_pages; void (*page_done)(struct afs_call *, struct afs_read *); struct page *pages[]; @@ -247,7 +250,7 @@ struct afs_cache_vhash { */ struct afs_vlocation { atomic_t usage; - time_t time_of_death; /* time at which put reduced usage to 0 */ + time64_t time_of_death; /* time at which put reduced usage to 0 */ struct list_head link; /* link in cell volume location list */ struct list_head grave; /* link in master graveyard list */ struct list_head update; /* link in master update list */ @@ -258,7 +261,7 @@ struct afs_vlocation { struct afs_cache_vlocation vldb; /* volume information DB record */ struct afs_volume *vols[3]; /* volume access record pointer (index by type) */ wait_queue_head_t waitq; /* status change waitqueue */ - time_t update_at; /* time at which record should be updated */ + time64_t update_at; /* time at which record should be updated */ spinlock_t lock; /* access lock */ afs_vlocation_state_t state; /* volume location state */ unsigned short upd_rej_cnt; /* ENOMEDIUM count during update */ @@ -271,7 +274,7 @@ struct afs_vlocation { */ struct afs_server { atomic_t usage; - time_t time_of_death; /* time at which put reduced usage to 0 */ + time64_t time_of_death; /* time at which put reduced usage to 0 */ struct in_addr addr; /* server address */ struct afs_cell *cell; /* cell in which server resides */ struct list_head link; /* link in cell's server list */ @@ -374,8 +377,8 @@ struct afs_vnode { struct rb_node server_rb; /* link in server->fs_vnodes */ struct rb_node cb_promise; /* link in server->cb_promises */ struct work_struct cb_broken_work; /* work to be done on callback break */ - time_t cb_expires; /* time at which callback expires */ - time_t cb_expires_at; /* time used to order cb_promise */ + time64_t cb_expires; /* time at which callback expires */ + time64_t cb_expires_at; /* time used to order cb_promise */ unsigned cb_version; /* callback version */ unsigned cb_expiry; /* callback expiry time */ afs_callback_type_t cb_type; /* type of callback */ @@ -557,7 +560,6 @@ extern const struct inode_operations afs_autocell_inode_operations; extern const struct file_operations afs_mntpt_file_operations; extern struct vfsmount *afs_d_automount(struct path *); -extern int afs_mntpt_check_symlink(struct afs_vnode *, struct key *); extern void afs_mntpt_kill_timer(void); /* @@ -718,6 +720,7 @@ extern int afs_writepages(struct address_space *, struct writeback_control *); extern void afs_pages_written_back(struct afs_vnode *, struct afs_call *); extern ssize_t afs_file_write(struct kiocb *, struct iov_iter *); extern int afs_writeback_all(struct afs_vnode *); +extern int afs_flush(struct file *, fl_owner_t); extern int afs_fsync(struct file *, loff_t, loff_t, int); diff --git a/fs/afs/misc.c b/fs/afs/misc.c index 91ea1aa..100b207 100644 --- a/fs/afs/misc.c +++ b/fs/afs/misc.c @@ -84,6 +84,8 @@ int afs_abort_to_error(u32 abort_code) case RXKADDATALEN: return -EKEYREJECTED; case RXKADILLEGALLEVEL: return -EKEYREJECTED; + case RXGEN_OPCODE: return -ENOTSUPP; + default: return -EREMOTEIO; } } diff --git a/fs/afs/mntpt.c b/fs/afs/mntpt.c index d4fb0af..bd3b65c 100644 --- a/fs/afs/mntpt.c +++ b/fs/afs/mntpt.c @@ -47,59 +47,6 @@ static DECLARE_DELAYED_WORK(afs_mntpt_expiry_timer, afs_mntpt_expiry_timed_out); static unsigned long afs_mntpt_expiry_timeout = 10 * 60; /* - * check a symbolic link to see whether it actually encodes a mountpoint - * - sets the AFS_VNODE_MOUNTPOINT flag on the vnode appropriately - */ -int afs_mntpt_check_symlink(struct afs_vnode *vnode, struct key *key) -{ - struct page *page; - size_t size; - char *buf; - int ret; - - _enter("{%x:%u,%u}", - vnode->fid.vid, vnode->fid.vnode, vnode->fid.unique); - - /* read the contents of the symlink into the pagecache */ - page = read_cache_page(AFS_VNODE_TO_I(vnode)->i_mapping, 0, - afs_page_filler, key); - if (IS_ERR(page)) { - ret = PTR_ERR(page); - goto out; - } - - ret = -EIO; - if (PageError(page)) - goto out_free; - - buf = kmap(page); - - /* examine the symlink's contents */ - size = vnode->status.size; - _debug("symlink to %*.*s", (int) size, (int) size, buf); - - if (size > 2 && - (buf[0] == '%' || buf[0] == '#') && - buf[size - 1] == '.' - ) { - _debug("symlink is a mountpoint"); - spin_lock(&vnode->lock); - set_bit(AFS_VNODE_MOUNTPOINT, &vnode->flags); - vnode->vfs_inode.i_flags |= S_AUTOMOUNT; - spin_unlock(&vnode->lock); - } - - ret = 0; - - kunmap(page); -out_free: - put_page(page); -out: - _leave(" = %d", ret); - return ret; -} - -/* * no valid lookup procedure on this sort of dir */ static struct dentry *afs_mntpt_lookup(struct inode *dir, diff --git a/fs/afs/rxrpc.c b/fs/afs/rxrpc.c index 419ef05..8f76b13 100644 --- a/fs/afs/rxrpc.c +++ b/fs/afs/rxrpc.c @@ -259,67 +259,74 @@ void afs_flat_call_destructor(struct afs_call *call) call->buffer = NULL; } +#define AFS_BVEC_MAX 8 + +/* + * Load the given bvec with the next few pages. + */ +static void afs_load_bvec(struct afs_call *call, struct msghdr *msg, + struct bio_vec *bv, pgoff_t first, pgoff_t last, + unsigned offset) +{ + struct page *pages[AFS_BVEC_MAX]; + unsigned int nr, n, i, to, bytes = 0; + + nr = min_t(pgoff_t, last - first + 1, AFS_BVEC_MAX); + n = find_get_pages_contig(call->mapping, first, nr, pages); + ASSERTCMP(n, ==, nr); + + msg->msg_flags |= MSG_MORE; + for (i = 0; i < nr; i++) { + to = PAGE_SIZE; + if (first + i >= last) { + to = call->last_to; + msg->msg_flags &= ~MSG_MORE; + } + bv[i].bv_page = pages[i]; + bv[i].bv_len = to - offset; + bv[i].bv_offset = offset; + bytes += to - offset; + offset = 0; + } + + iov_iter_bvec(&msg->msg_iter, WRITE | ITER_BVEC, bv, nr, bytes); +} + /* * attach the data from a bunch of pages on an inode to a call */ static int afs_send_pages(struct afs_call *call, struct msghdr *msg) { - struct page *pages[8]; - unsigned count, n, loop, offset, to; + struct bio_vec bv[AFS_BVEC_MAX]; + unsigned int bytes, nr, loop, offset; pgoff_t first = call->first, last = call->last; int ret; - _enter(""); - offset = call->first_offset; call->first_offset = 0; do { - _debug("attach %lx-%lx", first, last); - - count = last - first + 1; - if (count > ARRAY_SIZE(pages)) - count = ARRAY_SIZE(pages); - n = find_get_pages_contig(call->mapping, first, count, pages); - ASSERTCMP(n, ==, count); - - loop = 0; - do { - struct bio_vec bvec = {.bv_page = pages[loop], - .bv_offset = offset}; - msg->msg_flags = 0; - to = PAGE_SIZE; - if (first + loop >= last) - to = call->last_to; - else - msg->msg_flags = MSG_MORE; - bvec.bv_len = to - offset; - offset = 0; - - _debug("- range %u-%u%s", - offset, to, msg->msg_flags ? " [more]" : ""); - iov_iter_bvec(&msg->msg_iter, WRITE | ITER_BVEC, - &bvec, 1, to - offset); - - /* have to change the state *before* sending the last - * packet as RxRPC might give us the reply before it - * returns from sending the request */ - if (first + loop >= last) - call->state = AFS_CALL_AWAIT_REPLY; - ret = rxrpc_kernel_send_data(afs_socket, call->rxcall, - msg, to - offset); - if (ret < 0) - break; - } while (++loop < count); - first += count; - - for (loop = 0; loop < count; loop++) - put_page(pages[loop]); + afs_load_bvec(call, msg, bv, first, last, offset); + offset = 0; + bytes = msg->msg_iter.count; + nr = msg->msg_iter.nr_segs; + + /* Have to change the state *before* sending the last + * packet as RxRPC might give us the reply before it + * returns from sending the request. + */ + if (first + nr - 1 >= last) + call->state = AFS_CALL_AWAIT_REPLY; + ret = rxrpc_kernel_send_data(afs_socket, call->rxcall, + msg, bytes); + for (loop = 0; loop < nr; loop++) + put_page(bv[loop].bv_page); if (ret < 0) break; + + first += nr; } while (first <= last); - _leave(" = %d", ret); return ret; } @@ -333,6 +340,8 @@ int afs_make_call(struct in_addr *addr, struct afs_call *call, gfp_t gfp, struct rxrpc_call *rxcall; struct msghdr msg; struct kvec iov[1]; + size_t offset; + u32 abort_code; int ret; _enter("%x,{%d},", addr->s_addr, ntohs(call->port)); @@ -381,9 +390,11 @@ int afs_make_call(struct in_addr *addr, struct afs_call *call, gfp_t gfp, msg.msg_controllen = 0; msg.msg_flags = (call->send_pages ? MSG_MORE : 0); - /* have to change the state *before* sending the last packet as RxRPC - * might give us the reply before it returns from sending the - * request */ + /* We have to change the state *before* sending the last packet as + * rxrpc might give us the reply before it returns from sending the + * request. Further, if the send fails, we may already have been given + * a notification and may have collected it. + */ if (!call->send_pages) call->state = AFS_CALL_AWAIT_REPLY; ret = rxrpc_kernel_send_data(afs_socket, rxcall, @@ -405,7 +416,17 @@ int afs_make_call(struct in_addr *addr, struct afs_call *call, gfp_t gfp, return afs_wait_for_call_to_complete(call); error_do_abort: - rxrpc_kernel_abort_call(afs_socket, rxcall, RX_USER_ABORT, -ret, "KSD"); + call->state = AFS_CALL_COMPLETE; + if (ret != -ECONNABORTED) { + rxrpc_kernel_abort_call(afs_socket, rxcall, RX_USER_ABORT, + -ret, "KSD"); + } else { + abort_code = 0; + offset = 0; + rxrpc_kernel_recv_data(afs_socket, rxcall, NULL, 0, &offset, + false, &abort_code); + ret = call->type->abort_to_error(abort_code); + } error_kill_call: afs_put_call(call); _leave(" = %d", ret); @@ -452,16 +473,18 @@ static void afs_deliver_to_call(struct afs_call *call) case -EINPROGRESS: case -EAGAIN: goto out; + case -ECONNABORTED: + goto call_complete; case -ENOTCONN: abort_code = RX_CALL_DEAD; rxrpc_kernel_abort_call(afs_socket, call->rxcall, abort_code, -ret, "KNC"); - goto do_abort; + goto save_error; case -ENOTSUPP: - abort_code = RX_INVALID_OPERATION; + abort_code = RXGEN_OPCODE; rxrpc_kernel_abort_call(afs_socket, call->rxcall, abort_code, -ret, "KIV"); - goto do_abort; + goto save_error; case -ENODATA: case -EBADMSG: case -EMSGSIZE: @@ -471,7 +494,7 @@ static void afs_deliver_to_call(struct afs_call *call) abort_code = RXGEN_SS_UNMARSHAL; rxrpc_kernel_abort_call(afs_socket, call->rxcall, abort_code, EBADMSG, "KUM"); - goto do_abort; + goto save_error; } } @@ -482,8 +505,9 @@ out: _leave(""); return; -do_abort: +save_error: call->error = ret; +call_complete: call->state = AFS_CALL_COMPLETE; goto done; } @@ -493,7 +517,6 @@ do_abort: */ static int afs_wait_for_call_to_complete(struct afs_call *call) { - const char *abort_why; int ret; DECLARE_WAITQUEUE(myself, current); @@ -512,13 +535,8 @@ static int afs_wait_for_call_to_complete(struct afs_call *call) continue; } - abort_why = "KWC"; - ret = call->error; - if (call->state == AFS_CALL_COMPLETE) - break; - abort_why = "KWI"; - ret = -EINTR; - if (signal_pending(current)) + if (call->state == AFS_CALL_COMPLETE || + signal_pending(current)) break; schedule(); } @@ -526,13 +544,14 @@ static int afs_wait_for_call_to_complete(struct afs_call *call) remove_wait_queue(&call->waitq, &myself); __set_current_state(TASK_RUNNING); - /* kill the call */ + /* Kill off the call if it's still live. */ if (call->state < AFS_CALL_COMPLETE) { - _debug("call incomplete"); + _debug("call interrupted"); rxrpc_kernel_abort_call(afs_socket, call->rxcall, - RX_CALL_DEAD, -ret, abort_why); + RX_USER_ABORT, -EINTR, "KWI"); } + ret = call->error; _debug("call complete"); afs_put_call(call); _leave(" = %d", ret); diff --git a/fs/afs/security.c b/fs/afs/security.c index 8d01042..ecb86a6 100644 --- a/fs/afs/security.c +++ b/fs/afs/security.c @@ -114,7 +114,7 @@ void afs_clear_permits(struct afs_vnode *vnode) mutex_lock(&vnode->permits_lock); permits = vnode->permits; - rcu_assign_pointer(vnode->permits, NULL); + RCU_INIT_POINTER(vnode->permits, NULL); mutex_unlock(&vnode->permits_lock); if (permits) @@ -340,17 +340,22 @@ int afs_permission(struct inode *inode, int mask) } else { if (!(access & AFS_ACE_LOOKUP)) goto permission_denied; + if ((mask & MAY_EXEC) && !(inode->i_mode & S_IXUSR)) + goto permission_denied; if (mask & (MAY_EXEC | MAY_READ)) { if (!(access & AFS_ACE_READ)) goto permission_denied; + if (!(inode->i_mode & S_IRUSR)) + goto permission_denied; } else if (mask & MAY_WRITE) { if (!(access & AFS_ACE_WRITE)) goto permission_denied; + if (!(inode->i_mode & S_IWUSR)) + goto permission_denied; } } key_put(key); - ret = generic_permission(inode, mask); _leave(" = %d", ret); return ret; diff --git a/fs/afs/server.c b/fs/afs/server.c index d4066ab..c001b1f 100644 --- a/fs/afs/server.c +++ b/fs/afs/server.c @@ -242,7 +242,7 @@ void afs_put_server(struct afs_server *server) spin_lock(&afs_server_graveyard_lock); if (atomic_read(&server->usage) == 0) { list_move_tail(&server->grave, &afs_server_graveyard); - server->time_of_death = get_seconds(); + server->time_of_death = ktime_get_real_seconds(); queue_delayed_work(afs_wq, &afs_server_reaper, afs_server_timeout * HZ); } @@ -277,9 +277,9 @@ static void afs_reap_server(struct work_struct *work) LIST_HEAD(corpses); struct afs_server *server; unsigned long delay, expiry; - time_t now; + time64_t now; - now = get_seconds(); + now = ktime_get_real_seconds(); spin_lock(&afs_server_graveyard_lock); while (!list_empty(&afs_server_graveyard)) { diff --git a/fs/afs/vlocation.c b/fs/afs/vlocation.c index d7d8dd8..37b7c3b 100644 --- a/fs/afs/vlocation.c +++ b/fs/afs/vlocation.c @@ -340,7 +340,8 @@ static void afs_vlocation_queue_for_updates(struct afs_vlocation *vl) struct afs_vlocation *xvl; /* wait at least 10 minutes before updating... */ - vl->update_at = get_seconds() + afs_vlocation_update_timeout; + vl->update_at = ktime_get_real_seconds() + + afs_vlocation_update_timeout; spin_lock(&afs_vlocation_updates_lock); @@ -506,7 +507,7 @@ void afs_put_vlocation(struct afs_vlocation *vl) if (atomic_read(&vl->usage) == 0) { _debug("buried"); list_move_tail(&vl->grave, &afs_vlocation_graveyard); - vl->time_of_death = get_seconds(); + vl->time_of_death = ktime_get_real_seconds(); queue_delayed_work(afs_wq, &afs_vlocation_reap, afs_vlocation_timeout * HZ); @@ -543,11 +544,11 @@ static void afs_vlocation_reaper(struct work_struct *work) LIST_HEAD(corpses); struct afs_vlocation *vl; unsigned long delay, expiry; - time_t now; + time64_t now; _enter(""); - now = get_seconds(); + now = ktime_get_real_seconds(); spin_lock(&afs_vlocation_graveyard_lock); while (!list_empty(&afs_vlocation_graveyard)) { @@ -622,13 +623,13 @@ static void afs_vlocation_updater(struct work_struct *work) { struct afs_cache_vlocation vldb; struct afs_vlocation *vl, *xvl; - time_t now; + time64_t now; long timeout; int ret; _enter(""); - now = get_seconds(); + now = ktime_get_real_seconds(); /* find a record to update */ spin_lock(&afs_vlocation_updates_lock); @@ -684,7 +685,8 @@ static void afs_vlocation_updater(struct work_struct *work) /* and then reschedule */ _debug("reschedule"); - vl->update_at = get_seconds() + afs_vlocation_update_timeout; + vl->update_at = ktime_get_real_seconds() + + afs_vlocation_update_timeout; spin_lock(&afs_vlocation_updates_lock); diff --git a/fs/afs/write.c b/fs/afs/write.c index c83c1a0..2d2fccd 100644 --- a/fs/afs/write.c +++ b/fs/afs/write.c @@ -84,10 +84,9 @@ void afs_put_writeback(struct afs_writeback *wb) * partly or wholly fill a page that's under preparation for writing */ static int afs_fill_page(struct afs_vnode *vnode, struct key *key, - loff_t pos, struct page *page) + loff_t pos, unsigned int len, struct page *page) { struct afs_read *req; - loff_t i_size; int ret; _enter(",,%llu", (unsigned long long)pos); @@ -99,14 +98,10 @@ static int afs_fill_page(struct afs_vnode *vnode, struct key *key, atomic_set(&req->usage, 1); req->pos = pos; + req->len = len; req->nr_pages = 1; req->pages[0] = page; - - i_size = i_size_read(&vnode->vfs_inode); - if (pos + PAGE_SIZE > i_size) - req->len = i_size - pos; - else - req->len = PAGE_SIZE; + get_page(page); ret = afs_vnode_fetch_data(vnode, key, req); afs_put_read(req); @@ -159,12 +154,12 @@ int afs_write_begin(struct file *file, struct address_space *mapping, kfree(candidate); return -ENOMEM; } - *pagep = page; - /* page won't leak in error case: it eventually gets cleaned off LRU */ if (!PageUptodate(page) && len != PAGE_SIZE) { - ret = afs_fill_page(vnode, key, index << PAGE_SHIFT, page); + ret = afs_fill_page(vnode, key, pos & PAGE_MASK, PAGE_SIZE, page); if (ret < 0) { + unlock_page(page); + put_page(page); kfree(candidate); _leave(" = %d [prep]", ret); return ret; @@ -172,6 +167,9 @@ int afs_write_begin(struct file *file, struct address_space *mapping, SetPageUptodate(page); } + /* page won't leak in error case: it eventually gets cleaned off LRU */ + *pagep = page; + try_again: spin_lock(&vnode->writeback_lock); @@ -233,7 +231,7 @@ flush_conflicting_wb: if (wb->state == AFS_WBACK_PENDING) wb->state = AFS_WBACK_CONFLICTING; spin_unlock(&vnode->writeback_lock); - if (PageDirty(page)) { + if (clear_page_dirty_for_io(page)) { ret = afs_write_back_from_locked_page(wb, page); if (ret < 0) { afs_put_writeback(candidate); @@ -257,7 +255,9 @@ int afs_write_end(struct file *file, struct address_space *mapping, struct page *page, void *fsdata) { struct afs_vnode *vnode = AFS_FS_I(file_inode(file)); + struct key *key = file->private_data; loff_t i_size, maybe_i_size; + int ret; _enter("{%x:%u},{%lx}", vnode->fid.vid, vnode->fid.vnode, page->index); @@ -273,6 +273,20 @@ int afs_write_end(struct file *file, struct address_space *mapping, spin_unlock(&vnode->writeback_lock); } + if (!PageUptodate(page)) { + if (copied < len) { + /* Try and load any missing data from the server. The + * unmarshalling routine will take care of clearing any + * bits that are beyond the EOF. + */ + ret = afs_fill_page(vnode, key, pos + copied, + len - copied, page); + if (ret < 0) + return ret; + } + SetPageUptodate(page); + } + set_page_dirty(page); if (PageDirty(page)) _debug("dirtied"); @@ -307,10 +321,14 @@ static void afs_kill_pages(struct afs_vnode *vnode, bool error, ASSERTCMP(pv.nr, ==, count); for (loop = 0; loop < count; loop++) { - ClearPageUptodate(pv.pages[loop]); + struct page *page = pv.pages[loop]; + ClearPageUptodate(page); if (error) - SetPageError(pv.pages[loop]); - end_page_writeback(pv.pages[loop]); + SetPageError(page); + if (PageWriteback(page)) + end_page_writeback(page); + if (page->index >= first) + first = page->index + 1; } __pagevec_release(&pv); @@ -335,8 +353,6 @@ static int afs_write_back_from_locked_page(struct afs_writeback *wb, _enter(",%lx", primary_page->index); count = 1; - if (!clear_page_dirty_for_io(primary_page)) - BUG(); if (test_set_page_writeback(primary_page)) BUG(); @@ -502,17 +518,17 @@ static int afs_writepages_region(struct address_space *mapping, */ lock_page(page); - if (page->mapping != mapping) { + if (page->mapping != mapping || !PageDirty(page)) { unlock_page(page); put_page(page); continue; } - if (wbc->sync_mode != WB_SYNC_NONE) - wait_on_page_writeback(page); - - if (PageWriteback(page) || !PageDirty(page)) { + if (PageWriteback(page)) { unlock_page(page); + if (wbc->sync_mode != WB_SYNC_NONE) + wait_on_page_writeback(page); + put_page(page); continue; } @@ -523,6 +539,8 @@ static int afs_writepages_region(struct address_space *mapping, wb->state = AFS_WBACK_WRITING; spin_unlock(&wb->vnode->writeback_lock); + if (!clear_page_dirty_for_io(page)) + BUG(); ret = afs_write_back_from_locked_page(wb, page); unlock_page(page); put_page(page); @@ -746,6 +764,20 @@ out: } /* + * Flush out all outstanding writes on a file opened for writing when it is + * closed. + */ +int afs_flush(struct file *file, fl_owner_t id) +{ + _enter(""); + + if ((file->f_mode & FMODE_WRITE) == 0) + return 0; + + return vfs_fsync(file, 0); +} + +/* * notification that a previously read-only page is about to become writable * - if it returns an error, the caller will deliver a bus error signal */ diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h index 29b7fc2..c411590 100644 --- a/fs/btrfs/ctree.h +++ b/fs/btrfs/ctree.h @@ -1259,7 +1259,7 @@ struct btrfs_root { atomic_t will_be_snapshoted; /* For qgroup metadata space reserve */ - atomic_t qgroup_meta_rsv; + atomic64_t qgroup_meta_rsv; }; static inline u32 btrfs_inode_sectorsize(const struct inode *inode) { diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index 08b74da..eb1ee7b 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -1342,7 +1342,7 @@ static void __setup_root(struct btrfs_root *root, struct btrfs_fs_info *fs_info, atomic_set(&root->orphan_inodes, 0); atomic_set(&root->refs, 1); atomic_set(&root->will_be_snapshoted, 0); - atomic_set(&root->qgroup_meta_rsv, 0); + atomic64_set(&root->qgroup_meta_rsv, 0); root->log_transid = 0; root->log_transid_committed = -1; root->last_log_commit = 0; diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c index 28e8192..27fdb25 100644 --- a/fs/btrfs/extent_io.c +++ b/fs/btrfs/extent_io.c @@ -1714,7 +1714,8 @@ static int __process_pages_contig(struct address_space *mapping, * can we find nothing at @index. */ ASSERT(page_ops & PAGE_LOCK); - return ret; + err = -EAGAIN; + goto out; } for (i = 0; i < ret; i++) { @@ -2583,26 +2584,36 @@ static void end_bio_extent_readpage(struct bio *bio) if (tree->ops) { ret = tree->ops->readpage_io_failed_hook(page, mirror); - if (!ret && !bio->bi_error) - uptodate = 1; - } else { + if (ret == -EAGAIN) { + /* + * Data inode's readpage_io_failed_hook() always + * returns -EAGAIN. + * + * The generic bio_readpage_error handles errors + * the following way: If possible, new read + * requests are created and submitted and will + * end up in end_bio_extent_readpage as well (if + * we're lucky, not in the !uptodate case). In + * that case it returns 0 and we just go on with + * the next page in our bio. If it can't handle + * the error it will return -EIO and we remain + * responsible for that page. + */ + ret = bio_readpage_error(bio, offset, page, + start, end, mirror); + if (ret == 0) { + uptodate = !bio->bi_error; + offset += len; + continue; + } + } + /* - * The generic bio_readpage_error handles errors the - * following way: If possible, new read requests are - * created and submitted and will end up in - * end_bio_extent_readpage as well (if we're lucky, not - * in the !uptodate case). In that case it returns 0 and - * we just go on with the next page in our bio. If it - * can't handle the error it will return -EIO and we - * remain responsible for that page. + * metadata's readpage_io_failed_hook() always returns + * -EIO and fixes nothing. -EIO is also returned if + * data inode error could not be fixed. */ - ret = bio_readpage_error(bio, offset, page, start, end, - mirror); - if (ret == 0) { - uptodate = !bio->bi_error; - offset += len; - continue; - } + ASSERT(ret == -EIO); } readpage_ok: if (likely(uptodate)) { diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index c40060c..5e71f1e 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -6709,6 +6709,20 @@ static noinline int uncompress_inline(struct btrfs_path *path, max_size = min_t(unsigned long, PAGE_SIZE, max_size); ret = btrfs_decompress(compress_type, tmp, page, extent_offset, inline_size, max_size); + + /* + * decompression code contains a memset to fill in any space between the end + * of the uncompressed data and the end of max_size in case the decompressed + * data ends up shorter than ram_bytes. That doesn't cover the hole between + * the end of an inline extent and the beginning of the next block, so we + * cover that region here. + */ + + if (max_size + pg_offset < PAGE_SIZE) { + char *map = kmap(page); + memset(map + pg_offset + max_size, 0, PAGE_SIZE - max_size - pg_offset); + kunmap(page); + } kfree(tmp); return ret; } @@ -7896,7 +7910,6 @@ struct btrfs_retry_complete { static void btrfs_retry_endio_nocsum(struct bio *bio) { struct btrfs_retry_complete *done = bio->bi_private; - struct inode *inode; struct bio_vec *bvec; int i; @@ -7904,12 +7917,12 @@ static void btrfs_retry_endio_nocsum(struct bio *bio) goto end; ASSERT(bio->bi_vcnt == 1); - inode = bio->bi_io_vec->bv_page->mapping->host; - ASSERT(bio->bi_io_vec->bv_len == btrfs_inode_sectorsize(inode)); + ASSERT(bio->bi_io_vec->bv_len == btrfs_inode_sectorsize(done->inode)); done->uptodate = 1; bio_for_each_segment_all(bvec, bio, i) - clean_io_failure(BTRFS_I(done->inode), done->start, bvec->bv_page, 0); + clean_io_failure(BTRFS_I(done->inode), done->start, + bvec->bv_page, 0); end: complete(&done->done); bio_put(bio); @@ -7959,8 +7972,10 @@ next_block_or_try_again: start += sectorsize; - if (nr_sectors--) { + nr_sectors--; + if (nr_sectors) { pgoff += sectorsize; + ASSERT(pgoff < PAGE_SIZE); goto next_block_or_try_again; } } @@ -7972,9 +7987,7 @@ static void btrfs_retry_endio(struct bio *bio) { struct btrfs_retry_complete *done = bio->bi_private; struct btrfs_io_bio *io_bio = btrfs_io_bio(bio); - struct inode *inode; struct bio_vec *bvec; - u64 start; int uptodate; int ret; int i; @@ -7984,11 +7997,8 @@ static void btrfs_retry_endio(struct bio *bio) uptodate = 1; - start = done->start; - ASSERT(bio->bi_vcnt == 1); - inode = bio->bi_io_vec->bv_page->mapping->host; - ASSERT(bio->bi_io_vec->bv_len == btrfs_inode_sectorsize(inode)); + ASSERT(bio->bi_io_vec->bv_len == btrfs_inode_sectorsize(done->inode)); bio_for_each_segment_all(bvec, bio, i) { ret = __readpage_endio_check(done->inode, io_bio, i, @@ -8066,8 +8076,10 @@ next: ASSERT(nr_sectors); - if (--nr_sectors) { + nr_sectors--; + if (nr_sectors) { pgoff += sectorsize; + ASSERT(pgoff < PAGE_SIZE); goto next_block; } } @@ -10509,9 +10521,9 @@ out_inode: } __attribute__((const)) -static int dummy_readpage_io_failed_hook(struct page *page, int failed_mirror) +static int btrfs_readpage_io_failed_hook(struct page *page, int failed_mirror) { - return 0; + return -EAGAIN; } static const struct inode_operations btrfs_dir_inode_operations = { @@ -10556,7 +10568,7 @@ static const struct extent_io_ops btrfs_extent_io_ops = { .submit_bio_hook = btrfs_submit_bio_hook, .readpage_end_io_hook = btrfs_readpage_end_io_hook, .merge_bio_hook = btrfs_merge_bio_hook, - .readpage_io_failed_hook = dummy_readpage_io_failed_hook, + .readpage_io_failed_hook = btrfs_readpage_io_failed_hook, /* optional callbacks */ .fill_delalloc = run_delalloc_range, diff --git a/fs/btrfs/qgroup.c b/fs/btrfs/qgroup.c index a5da750..a59801d 100644 --- a/fs/btrfs/qgroup.c +++ b/fs/btrfs/qgroup.c @@ -2948,20 +2948,20 @@ int btrfs_qgroup_reserve_meta(struct btrfs_root *root, int num_bytes, ret = qgroup_reserve(root, num_bytes, enforce); if (ret < 0) return ret; - atomic_add(num_bytes, &root->qgroup_meta_rsv); + atomic64_add(num_bytes, &root->qgroup_meta_rsv); return ret; } void btrfs_qgroup_free_meta_all(struct btrfs_root *root) { struct btrfs_fs_info *fs_info = root->fs_info; - int reserved; + u64 reserved; if (!test_bit(BTRFS_FS_QUOTA_ENABLED, &fs_info->flags) || !is_fstree(root->objectid)) return; - reserved = atomic_xchg(&root->qgroup_meta_rsv, 0); + reserved = atomic64_xchg(&root->qgroup_meta_rsv, 0); if (reserved == 0) return; btrfs_qgroup_free_refroot(fs_info, root->objectid, reserved); @@ -2976,8 +2976,8 @@ void btrfs_qgroup_free_meta(struct btrfs_root *root, int num_bytes) return; BUG_ON(num_bytes != round_down(num_bytes, fs_info->nodesize)); - WARN_ON(atomic_read(&root->qgroup_meta_rsv) < num_bytes); - atomic_sub(num_bytes, &root->qgroup_meta_rsv); + WARN_ON(atomic64_read(&root->qgroup_meta_rsv) < num_bytes); + atomic64_sub(num_bytes, &root->qgroup_meta_rsv); btrfs_qgroup_free_refroot(fs_info, root->objectid, num_bytes); } diff --git a/fs/btrfs/send.c b/fs/btrfs/send.c index 456c890..a60d5bf 100644 --- a/fs/btrfs/send.c +++ b/fs/btrfs/send.c @@ -6305,8 +6305,13 @@ long btrfs_ioctl_send(struct file *mnt_file, void __user *arg_) goto out; } + /* + * Check that we don't overflow at later allocations, we request + * clone_sources_count + 1 items, and compare to unsigned long inside + * access_ok. + */ if (arg->clone_sources_count > - ULLONG_MAX / sizeof(*arg->clone_sources)) { + ULONG_MAX / sizeof(struct clone_root) - 1) { ret = -EINVAL; goto out; } diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c index da687dc..9530a33 100644 --- a/fs/btrfs/super.c +++ b/fs/btrfs/super.c @@ -549,16 +549,19 @@ int btrfs_parse_options(struct btrfs_fs_info *info, char *options, case Opt_ssd: btrfs_set_and_info(info, SSD, "use ssd allocation scheme"); + btrfs_clear_opt(info->mount_opt, NOSSD); break; case Opt_ssd_spread: btrfs_set_and_info(info, SSD_SPREAD, "use spread ssd allocation scheme"); btrfs_set_opt(info->mount_opt, SSD); + btrfs_clear_opt(info->mount_opt, NOSSD); break; case Opt_nossd: btrfs_set_and_info(info, NOSSD, "not using ssd allocation scheme"); btrfs_clear_opt(info->mount_opt, SSD); + btrfs_clear_opt(info->mount_opt, SSD_SPREAD); break; case Opt_barrier: btrfs_clear_and_info(info, NOBARRIER, diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index 73d56ee..ab8a66d 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -6213,7 +6213,7 @@ int btrfs_map_bio(struct btrfs_fs_info *fs_info, struct bio *bio, for (dev_nr = 0; dev_nr < total_devs; dev_nr++) { dev = bbio->stripes[dev_nr].dev; if (!dev || !dev->bdev || - (bio_op(bio) == REQ_OP_WRITE && !dev->writeable)) { + (bio_op(first_bio) == REQ_OP_WRITE && !dev->writeable)) { bbio_error(bbio, first_bio, logical); continue; } diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c index 15e1db8..dd3f5fa 100644 --- a/fs/cifs/cifsfs.c +++ b/fs/cifs/cifsfs.c @@ -972,6 +972,86 @@ out: return rc; } +ssize_t cifs_file_copychunk_range(unsigned int xid, + struct file *src_file, loff_t off, + struct file *dst_file, loff_t destoff, + size_t len, unsigned int flags) +{ + struct inode *src_inode = file_inode(src_file); + struct inode *target_inode = file_inode(dst_file); + struct cifsFileInfo *smb_file_src; + struct cifsFileInfo *smb_file_target; + struct cifs_tcon *src_tcon; + struct cifs_tcon *target_tcon; + ssize_t rc; + + cifs_dbg(FYI, "copychunk range\n"); + + if (src_inode == target_inode) { + rc = -EINVAL; + goto out; + } + + if (!src_file->private_data || !dst_file->private_data) { + rc = -EBADF; + cifs_dbg(VFS, "missing cifsFileInfo on copy range src file\n"); + goto out; + } + + rc = -EXDEV; + smb_file_target = dst_file->private_data; + smb_file_src = src_file->private_data; + src_tcon = tlink_tcon(smb_file_src->tlink); + target_tcon = tlink_tcon(smb_file_target->tlink); + + if (src_tcon->ses != target_tcon->ses) { + cifs_dbg(VFS, "source and target of copy not on same server\n"); + goto out; + } + + /* + * Note: cifs case is easier than btrfs since server responsible for + * checks for proper open modes and file type and if it wants + * server could even support copy of range where source = target + */ + lock_two_nondirectories(target_inode, src_inode); + + cifs_dbg(FYI, "about to flush pages\n"); + /* should we flush first and last page first */ + truncate_inode_pages(&target_inode->i_data, 0); + + if (target_tcon->ses->server->ops->copychunk_range) + rc = target_tcon->ses->server->ops->copychunk_range(xid, + smb_file_src, smb_file_target, off, len, destoff); + else + rc = -EOPNOTSUPP; + + /* force revalidate of size and timestamps of target file now + * that target is updated on the server + */ + CIFS_I(target_inode)->time = 0; + /* although unlocking in the reverse order from locking is not + * strictly necessary here it is a little cleaner to be consistent + */ + unlock_two_nondirectories(src_inode, target_inode); + +out: + return rc; +} + +static ssize_t cifs_copy_file_range(struct file *src_file, loff_t off, + struct file *dst_file, loff_t destoff, + size_t len, unsigned int flags) +{ + unsigned int xid = get_xid(); + ssize_t rc; + + rc = cifs_file_copychunk_range(xid, src_file, off, dst_file, destoff, + len, flags); + free_xid(xid); + return rc; +} + const struct file_operations cifs_file_ops = { .read_iter = cifs_loose_read_iter, .write_iter = cifs_file_write_iter, @@ -984,6 +1064,7 @@ const struct file_operations cifs_file_ops = { .splice_read = generic_file_splice_read, .llseek = cifs_llseek, .unlocked_ioctl = cifs_ioctl, + .copy_file_range = cifs_copy_file_range, .clone_file_range = cifs_clone_file_range, .setlease = cifs_setlease, .fallocate = cifs_fallocate, @@ -1001,6 +1082,7 @@ const struct file_operations cifs_file_strict_ops = { .splice_read = generic_file_splice_read, .llseek = cifs_llseek, .unlocked_ioctl = cifs_ioctl, + .copy_file_range = cifs_copy_file_range, .clone_file_range = cifs_clone_file_range, .setlease = cifs_setlease, .fallocate = cifs_fallocate, @@ -1018,6 +1100,7 @@ const struct file_operations cifs_file_direct_ops = { .mmap = cifs_file_mmap, .splice_read = generic_file_splice_read, .unlocked_ioctl = cifs_ioctl, + .copy_file_range = cifs_copy_file_range, .clone_file_range = cifs_clone_file_range, .llseek = cifs_llseek, .setlease = cifs_setlease, @@ -1035,6 +1118,7 @@ const struct file_operations cifs_file_nobrl_ops = { .splice_read = generic_file_splice_read, .llseek = cifs_llseek, .unlocked_ioctl = cifs_ioctl, + .copy_file_range = cifs_copy_file_range, .clone_file_range = cifs_clone_file_range, .setlease = cifs_setlease, .fallocate = cifs_fallocate, @@ -1051,6 +1135,7 @@ const struct file_operations cifs_file_strict_nobrl_ops = { .splice_read = generic_file_splice_read, .llseek = cifs_llseek, .unlocked_ioctl = cifs_ioctl, + .copy_file_range = cifs_copy_file_range, .clone_file_range = cifs_clone_file_range, .setlease = cifs_setlease, .fallocate = cifs_fallocate, @@ -1067,6 +1152,7 @@ const struct file_operations cifs_file_direct_nobrl_ops = { .mmap = cifs_file_mmap, .splice_read = generic_file_splice_read, .unlocked_ioctl = cifs_ioctl, + .copy_file_range = cifs_copy_file_range, .clone_file_range = cifs_clone_file_range, .llseek = cifs_llseek, .setlease = cifs_setlease, @@ -1078,6 +1164,7 @@ const struct file_operations cifs_dir_ops = { .release = cifs_closedir, .read = generic_read_dir, .unlocked_ioctl = cifs_ioctl, + .copy_file_range = cifs_copy_file_range, .clone_file_range = cifs_clone_file_range, .llseek = generic_file_llseek, }; diff --git a/fs/cifs/cifsfs.h b/fs/cifs/cifsfs.h index da717fe..30bf89b 100644 --- a/fs/cifs/cifsfs.h +++ b/fs/cifs/cifsfs.h @@ -139,6 +139,11 @@ extern ssize_t cifs_listxattr(struct dentry *, char *, size_t); # define cifs_listxattr NULL #endif +extern ssize_t cifs_file_copychunk_range(unsigned int xid, + struct file *src_file, loff_t off, + struct file *dst_file, loff_t destoff, + size_t len, unsigned int flags); + extern long cifs_ioctl(struct file *filep, unsigned int cmd, unsigned long arg); #ifdef CONFIG_CIFS_NFSD_EXPORT extern const struct export_operations cifs_export_ops; diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h index d42dd32..37f5a41 100644 --- a/fs/cifs/cifsglob.h +++ b/fs/cifs/cifsglob.h @@ -243,6 +243,7 @@ struct smb_version_operations { /* verify the message */ int (*check_message)(char *, unsigned int, struct TCP_Server_Info *); bool (*is_oplock_break)(char *, struct TCP_Server_Info *); + int (*handle_cancelled_mid)(char *, struct TCP_Server_Info *); void (*downgrade_oplock)(struct TCP_Server_Info *, struct cifsInodeInfo *, bool); /* process transaction2 response */ @@ -407,9 +408,10 @@ struct smb_version_operations { char * (*create_lease_buf)(u8 *, u8); /* parse lease context buffer and return oplock/epoch info */ __u8 (*parse_lease_buf)(void *, unsigned int *); - int (*clone_range)(const unsigned int, struct cifsFileInfo *src_file, - struct cifsFileInfo *target_file, u64 src_off, u64 len, - u64 dest_off); + ssize_t (*copychunk_range)(const unsigned int, + struct cifsFileInfo *src_file, + struct cifsFileInfo *target_file, + u64 src_off, u64 len, u64 dest_off); int (*duplicate_extents)(const unsigned int, struct cifsFileInfo *src, struct cifsFileInfo *target_file, u64 src_off, u64 len, u64 dest_off); @@ -946,7 +948,6 @@ struct cifs_tcon { bool use_persistent:1; /* use persistent instead of durable handles */ #ifdef CONFIG_CIFS_SMB2 bool print:1; /* set if connection to printer share */ - bool bad_network_name:1; /* set if ret status STATUS_BAD_NETWORK_NAME */ __le32 capabilities; __u32 share_flags; __u32 maximal_access; @@ -1343,6 +1344,7 @@ struct mid_q_entry { void *callback_data; /* general purpose pointer for callback */ void *resp_buf; /* pointer to received SMB header */ int mid_state; /* wish this were enum but can not pass to wait_event */ + unsigned int mid_flags; __le16 command; /* smb command code */ bool large_buf:1; /* if valid response, is pointer to large buf */ bool multiRsp:1; /* multiple trans2 responses for one request */ @@ -1350,6 +1352,12 @@ struct mid_q_entry { bool decrypted:1; /* decrypted entry */ }; +struct close_cancelled_open { + struct cifs_fid fid; + struct cifs_tcon *tcon; + struct work_struct work; +}; + /* Make code in transport.c a little cleaner by moving update of optional stats into function below */ #ifdef CONFIG_CIFS_STATS2 @@ -1481,6 +1489,9 @@ static inline void free_dfs_info_array(struct dfs_info3_param *param, #define MID_RESPONSE_MALFORMED 0x10 #define MID_SHUTDOWN 0x20 +/* Flags */ +#define MID_WAIT_CANCELLED 1 /* Cancelled while waiting for response */ + /* Types of response buffer returned from SendReceive2 */ #define CIFS_NO_BUFFER 0 /* Response buffer not returned */ #define CIFS_SMALL_BUFFER 1 diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c index 0669506..5d21f00 100644 --- a/fs/cifs/cifssmb.c +++ b/fs/cifs/cifssmb.c @@ -1428,6 +1428,8 @@ cifs_readv_discard(struct TCP_Server_Info *server, struct mid_q_entry *mid) length = cifs_discard_remaining_data(server); dequeue_mid(mid, rdata->result); + mid->resp_buf = server->smallbuf; + server->smallbuf = NULL; return length; } @@ -1541,6 +1543,8 @@ cifs_readv_receive(struct TCP_Server_Info *server, struct mid_q_entry *mid) return cifs_readv_discard(server, mid); dequeue_mid(mid, false); + mid->resp_buf = server->smallbuf; + server->smallbuf = NULL; return length; } diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c index 9ae695a..d82467c 100644 --- a/fs/cifs/connect.c +++ b/fs/cifs/connect.c @@ -904,10 +904,19 @@ cifs_demultiplex_thread(void *p) server->lstrp = jiffies; if (mid_entry != NULL) { + if ((mid_entry->mid_flags & MID_WAIT_CANCELLED) && + mid_entry->mid_state == MID_RESPONSE_RECEIVED && + server->ops->handle_cancelled_mid) + server->ops->handle_cancelled_mid( + mid_entry->resp_buf, + server); + if (!mid_entry->multiRsp || mid_entry->multiEnd) mid_entry->callback(mid_entry); - } else if (!server->ops->is_oplock_break || - !server->ops->is_oplock_break(buf, server)) { + } else if (server->ops->is_oplock_break && + server->ops->is_oplock_break(buf, server)) { + cifs_dbg(FYI, "Received oplock break\n"); + } else { cifs_dbg(VFS, "No task to wake, unknown frame received! NumMids %d\n", atomic_read(&midCount)); cifs_dump_mem("Received Data is: ", buf, @@ -3744,6 +3753,9 @@ try_mount_again: if (IS_ERR(tcon)) { rc = PTR_ERR(tcon); tcon = NULL; + if (rc == -EACCES) + goto mount_fail_check; + goto remote_path_check; } diff --git a/fs/cifs/file.c b/fs/cifs/file.c index aa3debb..21d4045 100644 --- a/fs/cifs/file.c +++ b/fs/cifs/file.c @@ -2597,7 +2597,7 @@ cifs_write_from_iter(loff_t offset, size_t len, struct iov_iter *from, wdata->credits = credits; if (!wdata->cfile->invalidHandle || - !cifs_reopen_file(wdata->cfile, false)) + !(rc = cifs_reopen_file(wdata->cfile, false))) rc = server->ops->async_writev(wdata, cifs_uncached_writedata_release); if (rc) { @@ -3022,7 +3022,7 @@ cifs_send_async_read(loff_t offset, size_t len, struct cifsFileInfo *open_file, rdata->credits = credits; if (!rdata->cfile->invalidHandle || - !cifs_reopen_file(rdata->cfile, true)) + !(rc = cifs_reopen_file(rdata->cfile, true))) rc = server->ops->async_readv(rdata); error: if (rc) { @@ -3617,7 +3617,7 @@ static int cifs_readpages(struct file *file, struct address_space *mapping, } if (!rdata->cfile->invalidHandle || - !cifs_reopen_file(rdata->cfile, true)) + !(rc = cifs_reopen_file(rdata->cfile, true))) rc = server->ops->async_readv(rdata); if (rc) { add_credits_and_wake_if(server, rdata->credits, 0); diff --git a/fs/cifs/ioctl.c b/fs/cifs/ioctl.c index 0015287..265c45f 100644 --- a/fs/cifs/ioctl.c +++ b/fs/cifs/ioctl.c @@ -34,71 +34,14 @@ #include "cifs_ioctl.h" #include <linux/btrfs.h> -static int cifs_file_clone_range(unsigned int xid, struct file *src_file, - struct file *dst_file) -{ - struct inode *src_inode = file_inode(src_file); - struct inode *target_inode = file_inode(dst_file); - struct cifsFileInfo *smb_file_src; - struct cifsFileInfo *smb_file_target; - struct cifs_tcon *src_tcon; - struct cifs_tcon *target_tcon; - int rc; - - cifs_dbg(FYI, "ioctl clone range\n"); - - if (!src_file->private_data || !dst_file->private_data) { - rc = -EBADF; - cifs_dbg(VFS, "missing cifsFileInfo on copy range src file\n"); - goto out; - } - - rc = -EXDEV; - smb_file_target = dst_file->private_data; - smb_file_src = src_file->private_data; - src_tcon = tlink_tcon(smb_file_src->tlink); - target_tcon = tlink_tcon(smb_file_target->tlink); - - if (src_tcon->ses != target_tcon->ses) { - cifs_dbg(VFS, "source and target of copy not on same server\n"); - goto out; - } - - /* - * Note: cifs case is easier than btrfs since server responsible for - * checks for proper open modes and file type and if it wants - * server could even support copy of range where source = target - */ - lock_two_nondirectories(target_inode, src_inode); - - cifs_dbg(FYI, "about to flush pages\n"); - /* should we flush first and last page first */ - truncate_inode_pages(&target_inode->i_data, 0); - - if (target_tcon->ses->server->ops->clone_range) - rc = target_tcon->ses->server->ops->clone_range(xid, - smb_file_src, smb_file_target, 0, src_inode->i_size, 0); - else - rc = -EOPNOTSUPP; - - /* force revalidate of size and timestamps of target file now - that target is updated on the server */ - CIFS_I(target_inode)->time = 0; - /* although unlocking in the reverse order from locking is not - strictly necessary here it is a little cleaner to be consistent */ - unlock_two_nondirectories(src_inode, target_inode); -out: - return rc; -} - -static long cifs_ioctl_clone(unsigned int xid, struct file *dst_file, +static long cifs_ioctl_copychunk(unsigned int xid, struct file *dst_file, unsigned long srcfd) { int rc; struct fd src_file; struct inode *src_inode; - cifs_dbg(FYI, "ioctl clone range\n"); + cifs_dbg(FYI, "ioctl copychunk range\n"); /* the destination must be opened for writing */ if (!(dst_file->f_mode & FMODE_WRITE)) { cifs_dbg(FYI, "file target not open for write\n"); @@ -129,7 +72,8 @@ static long cifs_ioctl_clone(unsigned int xid, struct file *dst_file, if (S_ISDIR(src_inode->i_mode)) goto out_fput; - rc = cifs_file_clone_range(xid, src_file.file, dst_file); + rc = cifs_file_copychunk_range(xid, src_file.file, 0, dst_file, 0, + src_inode->i_size, 0); out_fput: fdput(src_file); @@ -251,7 +195,7 @@ long cifs_ioctl(struct file *filep, unsigned int command, unsigned long arg) } break; case CIFS_IOC_COPYCHUNK_FILE: - rc = cifs_ioctl_clone(xid, filep, arg); + rc = cifs_ioctl_copychunk(xid, filep, arg); break; case CIFS_IOC_SET_INTEGRITY: if (pSMBFile == NULL) diff --git a/fs/cifs/smb2misc.c b/fs/cifs/smb2misc.c index fd516ea..1a04b3a 100644 --- a/fs/cifs/smb2misc.c +++ b/fs/cifs/smb2misc.c @@ -659,3 +659,49 @@ smb2_is_valid_oplock_break(char *buffer, struct TCP_Server_Info *server) cifs_dbg(FYI, "Can not process oplock break for non-existent connection\n"); return false; } + +void +smb2_cancelled_close_fid(struct work_struct *work) +{ + struct close_cancelled_open *cancelled = container_of(work, + struct close_cancelled_open, work); + + cifs_dbg(VFS, "Close unmatched open\n"); + + SMB2_close(0, cancelled->tcon, cancelled->fid.persistent_fid, + cancelled->fid.volatile_fid); + cifs_put_tcon(cancelled->tcon); + kfree(cancelled); +} + +int +smb2_handle_cancelled_mid(char *buffer, struct TCP_Server_Info *server) +{ + struct smb2_sync_hdr *sync_hdr = get_sync_hdr(buffer); + struct smb2_create_rsp *rsp = (struct smb2_create_rsp *)buffer; + struct cifs_tcon *tcon; + struct close_cancelled_open *cancelled; + + if (sync_hdr->Command != SMB2_CREATE || + sync_hdr->Status != STATUS_SUCCESS) + return 0; + + cancelled = kzalloc(sizeof(*cancelled), GFP_KERNEL); + if (!cancelled) + return -ENOMEM; + + tcon = smb2_find_smb_tcon(server, sync_hdr->SessionId, + sync_hdr->TreeId); + if (!tcon) { + kfree(cancelled); + return -ENOENT; + } + + cancelled->fid.persistent_fid = rsp->PersistentFileId; + cancelled->fid.volatile_fid = rsp->VolatileFileId; + cancelled->tcon = tcon; + INIT_WORK(&cancelled->work, smb2_cancelled_close_fid); + queue_work(cifsiod_wq, &cancelled->work); + + return 0; +} diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c index 0231108..152e37f 100644 --- a/fs/cifs/smb2ops.c +++ b/fs/cifs/smb2ops.c @@ -21,6 +21,7 @@ #include <linux/vfs.h> #include <linux/falloc.h> #include <linux/scatterlist.h> +#include <linux/uuid.h> #include <crypto/aead.h> #include "cifsglob.h" #include "smb2pdu.h" @@ -592,8 +593,8 @@ req_res_key_exit: return rc; } -static int -smb2_clone_range(const unsigned int xid, +static ssize_t +smb2_copychunk_range(const unsigned int xid, struct cifsFileInfo *srcfile, struct cifsFileInfo *trgtfile, u64 src_off, u64 len, u64 dest_off) @@ -605,13 +606,14 @@ smb2_clone_range(const unsigned int xid, struct cifs_tcon *tcon; int chunks_copied = 0; bool chunk_sizes_updated = false; + ssize_t bytes_written, total_bytes_written = 0; pcchunk = kmalloc(sizeof(struct copychunk_ioctl), GFP_KERNEL); if (pcchunk == NULL) return -ENOMEM; - cifs_dbg(FYI, "in smb2_clone_range - about to call request res key\n"); + cifs_dbg(FYI, "in smb2_copychunk_range - about to call request res key\n"); /* Request a key from the server to identify the source of the copy */ rc = SMB2_request_res_key(xid, tlink_tcon(srcfile->tlink), srcfile->fid.persistent_fid, @@ -669,14 +671,16 @@ smb2_clone_range(const unsigned int xid, } chunks_copied++; - src_off += le32_to_cpu(retbuf->TotalBytesWritten); - dest_off += le32_to_cpu(retbuf->TotalBytesWritten); - len -= le32_to_cpu(retbuf->TotalBytesWritten); + bytes_written = le32_to_cpu(retbuf->TotalBytesWritten); + src_off += bytes_written; + dest_off += bytes_written; + len -= bytes_written; + total_bytes_written += bytes_written; - cifs_dbg(FYI, "Chunks %d PartialChunk %d Total %d\n", + cifs_dbg(FYI, "Chunks %d PartialChunk %d Total %zu\n", le32_to_cpu(retbuf->ChunksWritten), le32_to_cpu(retbuf->ChunkBytesWritten), - le32_to_cpu(retbuf->TotalBytesWritten)); + bytes_written); } else if (rc == -EINVAL) { if (ret_data_len != sizeof(struct copychunk_ioctl_rsp)) goto cchunk_out; @@ -713,7 +717,10 @@ smb2_clone_range(const unsigned int xid, cchunk_out: kfree(pcchunk); kfree(retbuf); - return rc; + if (rc) + return rc; + else + return total_bytes_written; } static int @@ -2322,6 +2329,7 @@ struct smb_version_operations smb20_operations = { .clear_stats = smb2_clear_stats, .print_stats = smb2_print_stats, .is_oplock_break = smb2_is_valid_oplock_break, + .handle_cancelled_mid = smb2_handle_cancelled_mid, .downgrade_oplock = smb2_downgrade_oplock, .need_neg = smb2_need_neg, .negotiate = smb2_negotiate, @@ -2377,7 +2385,7 @@ struct smb_version_operations smb20_operations = { .set_oplock_level = smb2_set_oplock_level, .create_lease_buf = smb2_create_lease_buf, .parse_lease_buf = smb2_parse_lease_buf, - .clone_range = smb2_clone_range, + .copychunk_range = smb2_copychunk_range, .wp_retry_size = smb2_wp_retry_size, .dir_needs_close = smb2_dir_needs_close, .get_dfs_refer = smb2_get_dfs_refer, @@ -2404,6 +2412,7 @@ struct smb_version_operations smb21_operations = { .clear_stats = smb2_clear_stats, .print_stats = smb2_print_stats, .is_oplock_break = smb2_is_valid_oplock_break, + .handle_cancelled_mid = smb2_handle_cancelled_mid, .downgrade_oplock = smb2_downgrade_oplock, .need_neg = smb2_need_neg, .negotiate = smb2_negotiate, @@ -2459,7 +2468,7 @@ struct smb_version_operations smb21_operations = { .set_oplock_level = smb21_set_oplock_level, .create_lease_buf = smb2_create_lease_buf, .parse_lease_buf = smb2_parse_lease_buf, - .clone_range = smb2_clone_range, + .copychunk_range = smb2_copychunk_range, .wp_retry_size = smb2_wp_retry_size, .dir_needs_close = smb2_dir_needs_close, .enum_snapshots = smb3_enum_snapshots, @@ -2488,6 +2497,7 @@ struct smb_version_operations smb30_operations = { .print_stats = smb2_print_stats, .dump_share_caps = smb2_dump_share_caps, .is_oplock_break = smb2_is_valid_oplock_break, + .handle_cancelled_mid = smb2_handle_cancelled_mid, .downgrade_oplock = smb2_downgrade_oplock, .need_neg = smb2_need_neg, .negotiate = smb2_negotiate, @@ -2545,7 +2555,7 @@ struct smb_version_operations smb30_operations = { .set_oplock_level = smb3_set_oplock_level, .create_lease_buf = smb3_create_lease_buf, .parse_lease_buf = smb3_parse_lease_buf, - .clone_range = smb2_clone_range, + .copychunk_range = smb2_copychunk_range, .duplicate_extents = smb2_duplicate_extents, .validate_negotiate = smb3_validate_negotiate, .wp_retry_size = smb2_wp_retry_size, @@ -2582,6 +2592,7 @@ struct smb_version_operations smb311_operations = { .print_stats = smb2_print_stats, .dump_share_caps = smb2_dump_share_caps, .is_oplock_break = smb2_is_valid_oplock_break, + .handle_cancelled_mid = smb2_handle_cancelled_mid, .downgrade_oplock = smb2_downgrade_oplock, .need_neg = smb2_need_neg, .negotiate = smb2_negotiate, @@ -2639,7 +2650,7 @@ struct smb_version_operations smb311_operations = { .set_oplock_level = smb3_set_oplock_level, .create_lease_buf = smb3_create_lease_buf, .parse_lease_buf = smb3_parse_lease_buf, - .clone_range = smb2_clone_range, + .copychunk_range = smb2_copychunk_range, .duplicate_extents = smb2_duplicate_extents, /* .validate_negotiate = smb3_validate_negotiate, */ /* not used in 3.11 */ .wp_retry_size = smb2_wp_retry_size, diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c index 7446496..02da648 100644 --- a/fs/cifs/smb2pdu.c +++ b/fs/cifs/smb2pdu.c @@ -562,8 +562,10 @@ SMB2_negotiate(const unsigned int xid, struct cifs_ses *ses) * but for time being this is our only auth choice so doesn't matter. * We just found a server which sets blob length to zero expecting raw. */ - if (blob_length == 0) + if (blob_length == 0) { cifs_dbg(FYI, "missing security blob on negprot\n"); + server->sec_ntlmssp = true; + } rc = cifs_enable_signing(server, ses->sign); if (rc) @@ -1171,9 +1173,6 @@ SMB2_tcon(const unsigned int xid, struct cifs_ses *ses, const char *tree, else return -EIO; - if (tcon && tcon->bad_network_name) - return -ENOENT; - unc_path = kmalloc(MAX_SHARENAME_LENGTH * 2, GFP_KERNEL); if (unc_path == NULL) return -ENOMEM; @@ -1185,6 +1184,10 @@ SMB2_tcon(const unsigned int xid, struct cifs_ses *ses, const char *tree, return -EINVAL; } + /* SMB2 TREE_CONNECT request must be called with TreeId == 0 */ + if (tcon) + tcon->tid = 0; + rc = small_smb2_init(SMB2_TREE_CONNECT, tcon, (void **) &req); if (rc) { kfree(unc_path); @@ -1273,8 +1276,6 @@ tcon_exit: tcon_error_exit: if (rsp->hdr.sync_hdr.Status == STATUS_BAD_NETWORK_NAME) { cifs_dbg(VFS, "BAD_NETWORK_NAME: %s\n", tree); - if (tcon) - tcon->bad_network_name = true; } goto tcon_exit; } @@ -2177,6 +2178,9 @@ void smb2_reconnect_server(struct work_struct *work) struct cifs_tcon *tcon, *tcon2; struct list_head tmp_list; int tcon_exist = false; + int rc; + int resched = false; + /* Prevent simultaneous reconnects that can corrupt tcon->rlist list */ mutex_lock(&server->reconnect_mutex); @@ -2204,13 +2208,18 @@ void smb2_reconnect_server(struct work_struct *work) spin_unlock(&cifs_tcp_ses_lock); list_for_each_entry_safe(tcon, tcon2, &tmp_list, rlist) { - if (!smb2_reconnect(SMB2_INTERNAL_CMD, tcon)) + rc = smb2_reconnect(SMB2_INTERNAL_CMD, tcon); + if (!rc) cifs_reopen_persistent_handles(tcon); + else + resched = true; list_del_init(&tcon->rlist); cifs_put_tcon(tcon); } cifs_dbg(FYI, "Reconnecting tcons finished\n"); + if (resched) + queue_delayed_work(cifsiod_wq, &server->reconnect, 2 * HZ); mutex_unlock(&server->reconnect_mutex); /* now we can safely release srv struct */ diff --git a/fs/cifs/smb2proto.h b/fs/cifs/smb2proto.h index 69e3587..6853454 100644 --- a/fs/cifs/smb2proto.h +++ b/fs/cifs/smb2proto.h @@ -48,6 +48,10 @@ extern struct mid_q_entry *smb2_setup_request(struct cifs_ses *ses, struct smb_rqst *rqst); extern struct mid_q_entry *smb2_setup_async_request( struct TCP_Server_Info *server, struct smb_rqst *rqst); +extern struct cifs_ses *smb2_find_smb_ses(struct TCP_Server_Info *server, + __u64 ses_id); +extern struct cifs_tcon *smb2_find_smb_tcon(struct TCP_Server_Info *server, + __u64 ses_id, __u32 tid); extern int smb2_calc_signature(struct smb_rqst *rqst, struct TCP_Server_Info *server); extern int smb3_calc_signature(struct smb_rqst *rqst, @@ -164,6 +168,9 @@ extern int SMB2_set_compression(const unsigned int xid, struct cifs_tcon *tcon, extern int SMB2_oplock_break(const unsigned int xid, struct cifs_tcon *tcon, const u64 persistent_fid, const u64 volatile_fid, const __u8 oplock_level); +extern int smb2_handle_cancelled_mid(char *buffer, + struct TCP_Server_Info *server); +void smb2_cancelled_close_fid(struct work_struct *work); extern int SMB2_QFS_info(const unsigned int xid, struct cifs_tcon *tcon, u64 persistent_file_id, u64 volatile_file_id, struct kstatfs *FSData); diff --git a/fs/cifs/smb2transport.c b/fs/cifs/smb2transport.c index 7c3bb1b..506b67f 100644 --- a/fs/cifs/smb2transport.c +++ b/fs/cifs/smb2transport.c @@ -115,23 +115,70 @@ smb3_crypto_shash_allocate(struct TCP_Server_Info *server) return 0; } -struct cifs_ses * -smb2_find_smb_ses(struct TCP_Server_Info *server, __u64 ses_id) +static struct cifs_ses * +smb2_find_smb_ses_unlocked(struct TCP_Server_Info *server, __u64 ses_id) { struct cifs_ses *ses; - spin_lock(&cifs_tcp_ses_lock); list_for_each_entry(ses, &server->smb_ses_list, smb_ses_list) { if (ses->Suid != ses_id) continue; - spin_unlock(&cifs_tcp_ses_lock); return ses; } + + return NULL; +} + +struct cifs_ses * +smb2_find_smb_ses(struct TCP_Server_Info *server, __u64 ses_id) +{ + struct cifs_ses *ses; + + spin_lock(&cifs_tcp_ses_lock); + ses = smb2_find_smb_ses_unlocked(server, ses_id); spin_unlock(&cifs_tcp_ses_lock); + return ses; +} + +static struct cifs_tcon * +smb2_find_smb_sess_tcon_unlocked(struct cifs_ses *ses, __u32 tid) +{ + struct cifs_tcon *tcon; + + list_for_each_entry(tcon, &ses->tcon_list, tcon_list) { + if (tcon->tid != tid) + continue; + ++tcon->tc_count; + return tcon; + } + return NULL; } +/* + * Obtain tcon corresponding to the tid in the given + * cifs_ses + */ + +struct cifs_tcon * +smb2_find_smb_tcon(struct TCP_Server_Info *server, __u64 ses_id, __u32 tid) +{ + struct cifs_ses *ses; + struct cifs_tcon *tcon; + + spin_lock(&cifs_tcp_ses_lock); + ses = smb2_find_smb_ses_unlocked(server, ses_id); + if (!ses) { + spin_unlock(&cifs_tcp_ses_lock); + return NULL; + } + tcon = smb2_find_smb_sess_tcon_unlocked(ses, tid); + spin_unlock(&cifs_tcp_ses_lock); + + return tcon; +} + int smb2_calc_signature(struct smb_rqst *rqst, struct TCP_Server_Info *server) { diff --git a/fs/cifs/transport.c b/fs/cifs/transport.c index 526f053..f6e13a9 100644 --- a/fs/cifs/transport.c +++ b/fs/cifs/transport.c @@ -752,9 +752,11 @@ cifs_send_recv(const unsigned int xid, struct cifs_ses *ses, rc = wait_for_response(ses->server, midQ); if (rc != 0) { + cifs_dbg(FYI, "Cancelling wait for mid %llu\n", midQ->mid); send_cancel(ses->server, rqst, midQ); spin_lock(&GlobalMid_Lock); if (midQ->mid_state == MID_REQUEST_SUBMITTED) { + midQ->mid_flags |= MID_WAIT_CANCELLED; midQ->callback = DeleteMidQEntry; spin_unlock(&GlobalMid_Lock); add_credits(ses->server, 1, optype); diff --git a/fs/crypto/crypto.c b/fs/crypto/crypto.c index 02a7a92..6d6eca3 100644 --- a/fs/crypto/crypto.c +++ b/fs/crypto/crypto.c @@ -327,7 +327,6 @@ EXPORT_SYMBOL(fscrypt_decrypt_page); static int fscrypt_d_revalidate(struct dentry *dentry, unsigned int flags) { struct dentry *dir; - struct fscrypt_info *ci; int dir_has_key, cached_with_key; if (flags & LOOKUP_RCU) @@ -339,18 +338,11 @@ static int fscrypt_d_revalidate(struct dentry *dentry, unsigned int flags) return 0; } - ci = d_inode(dir)->i_crypt_info; - if (ci && ci->ci_keyring_key && - (ci->ci_keyring_key->flags & ((1 << KEY_FLAG_INVALIDATED) | - (1 << KEY_FLAG_REVOKED) | - (1 << KEY_FLAG_DEAD)))) - ci = NULL; - /* this should eventually be an flag in d_flags */ spin_lock(&dentry->d_lock); cached_with_key = dentry->d_flags & DCACHE_ENCRYPTED_WITH_KEY; spin_unlock(&dentry->d_lock); - dir_has_key = (ci != NULL); + dir_has_key = (d_inode(dir)->i_crypt_info != NULL); dput(dir); /* diff --git a/fs/crypto/fname.c b/fs/crypto/fname.c index 13052b8..37b4989 100644 --- a/fs/crypto/fname.c +++ b/fs/crypto/fname.c @@ -350,7 +350,7 @@ int fscrypt_setup_filename(struct inode *dir, const struct qstr *iname, fname->disk_name.len = iname->len; return 0; } - ret = fscrypt_get_crypt_info(dir); + ret = fscrypt_get_encryption_info(dir); if (ret && ret != -EOPNOTSUPP) return ret; diff --git a/fs/crypto/fscrypt_private.h b/fs/crypto/fscrypt_private.h index fdbb8af..e39696e 100644 --- a/fs/crypto/fscrypt_private.h +++ b/fs/crypto/fscrypt_private.h @@ -67,7 +67,6 @@ struct fscrypt_info { u8 ci_filename_mode; u8 ci_flags; struct crypto_skcipher *ci_ctfm; - struct key *ci_keyring_key; u8 ci_master_key[FS_KEY_DESCRIPTOR_SIZE]; }; @@ -101,7 +100,4 @@ extern int fscrypt_do_page_crypto(const struct inode *inode, extern struct page *fscrypt_alloc_bounce_page(struct fscrypt_ctx *ctx, gfp_t gfp_flags); -/* keyinfo.c */ -extern int fscrypt_get_crypt_info(struct inode *); - #endif /* _FSCRYPT_PRIVATE_H */ diff --git a/fs/crypto/keyinfo.c b/fs/crypto/keyinfo.c index d5d896f..8cdfddc 100644 --- a/fs/crypto/keyinfo.c +++ b/fs/crypto/keyinfo.c @@ -95,6 +95,7 @@ static int validate_user_key(struct fscrypt_info *crypt_info, kfree(description); if (IS_ERR(keyring_key)) return PTR_ERR(keyring_key); + down_read(&keyring_key->sem); if (keyring_key->type != &key_type_logon) { printk_once(KERN_WARNING @@ -102,11 +103,9 @@ static int validate_user_key(struct fscrypt_info *crypt_info, res = -ENOKEY; goto out; } - down_read(&keyring_key->sem); ukp = user_key_payload_locked(keyring_key); if (ukp->datalen != sizeof(struct fscrypt_key)) { res = -EINVAL; - up_read(&keyring_key->sem); goto out; } master_key = (struct fscrypt_key *)ukp->data; @@ -117,17 +116,11 @@ static int validate_user_key(struct fscrypt_info *crypt_info, "%s: key size incorrect: %d\n", __func__, master_key->size); res = -ENOKEY; - up_read(&keyring_key->sem); goto out; } res = derive_key_aes(ctx->nonce, master_key->raw, raw_key); - up_read(&keyring_key->sem); - if (res) - goto out; - - crypt_info->ci_keyring_key = keyring_key; - return 0; out: + up_read(&keyring_key->sem); key_put(keyring_key); return res; } @@ -169,12 +162,11 @@ static void put_crypt_info(struct fscrypt_info *ci) if (!ci) return; - key_put(ci->ci_keyring_key); crypto_free_skcipher(ci->ci_ctfm); kmem_cache_free(fscrypt_info_cachep, ci); } -int fscrypt_get_crypt_info(struct inode *inode) +int fscrypt_get_encryption_info(struct inode *inode) { struct fscrypt_info *crypt_info; struct fscrypt_context ctx; @@ -184,21 +176,15 @@ int fscrypt_get_crypt_info(struct inode *inode) u8 *raw_key = NULL; int res; + if (inode->i_crypt_info) + return 0; + res = fscrypt_initialize(inode->i_sb->s_cop->flags); if (res) return res; if (!inode->i_sb->s_cop->get_context) return -EOPNOTSUPP; -retry: - crypt_info = ACCESS_ONCE(inode->i_crypt_info); - if (crypt_info) { - if (!crypt_info->ci_keyring_key || - key_validate(crypt_info->ci_keyring_key) == 0) - return 0; - fscrypt_put_encryption_info(inode, crypt_info); - goto retry; - } res = inode->i_sb->s_cop->get_context(inode, &ctx, sizeof(ctx)); if (res < 0) { @@ -229,7 +215,6 @@ retry: crypt_info->ci_data_mode = ctx.contents_encryption_mode; crypt_info->ci_filename_mode = ctx.filenames_encryption_mode; crypt_info->ci_ctfm = NULL; - crypt_info->ci_keyring_key = NULL; memcpy(crypt_info->ci_master_key, ctx.master_key_descriptor, sizeof(crypt_info->ci_master_key)); @@ -273,14 +258,8 @@ retry: if (res) goto out; - kzfree(raw_key); - raw_key = NULL; - if (cmpxchg(&inode->i_crypt_info, NULL, crypt_info) != NULL) { - put_crypt_info(crypt_info); - goto retry; - } - return 0; - + if (cmpxchg(&inode->i_crypt_info, NULL, crypt_info) == NULL) + crypt_info = NULL; out: if (res == -ENOKEY) res = 0; @@ -288,6 +267,7 @@ out: kzfree(raw_key); return res; } +EXPORT_SYMBOL(fscrypt_get_encryption_info); void fscrypt_put_encryption_info(struct inode *inode, struct fscrypt_info *ci) { @@ -305,17 +285,3 @@ void fscrypt_put_encryption_info(struct inode *inode, struct fscrypt_info *ci) put_crypt_info(ci); } EXPORT_SYMBOL(fscrypt_put_encryption_info); - -int fscrypt_get_encryption_info(struct inode *inode) -{ - struct fscrypt_info *ci = inode->i_crypt_info; - - if (!ci || - (ci->ci_keyring_key && - (ci->ci_keyring_key->flags & ((1 << KEY_FLAG_INVALIDATED) | - (1 << KEY_FLAG_REVOKED) | - (1 << KEY_FLAG_DEAD))))) - return fscrypt_get_crypt_info(inode); - return 0; -} -EXPORT_SYMBOL(fscrypt_get_encryption_info); diff --git a/fs/crypto/policy.c b/fs/crypto/policy.c index 14b76da..4908906 100644 --- a/fs/crypto/policy.c +++ b/fs/crypto/policy.c @@ -33,17 +33,10 @@ static int create_encryption_context_from_policy(struct inode *inode, const struct fscrypt_policy *policy) { struct fscrypt_context ctx; - int res; if (!inode->i_sb->s_cop->set_context) return -EOPNOTSUPP; - if (inode->i_sb->s_cop->prepare_context) { - res = inode->i_sb->s_cop->prepare_context(inode); - if (res) - return res; - } - ctx.format = FS_ENCRYPTION_CONTEXT_FORMAT_V1; memcpy(ctx.master_key_descriptor, policy->master_key_descriptor, FS_KEY_DESCRIPTOR_SIZE); @@ -373,6 +373,22 @@ restart: } spin_lock_irq(&mapping->tree_lock); + if (!entry) { + /* + * We needed to drop the page_tree lock while calling + * radix_tree_preload() and we didn't have an entry to + * lock. See if another thread inserted an entry at + * our index during this time. + */ + entry = __radix_tree_lookup(&mapping->page_tree, index, + NULL, &slot); + if (entry) { + radix_tree_preload_end(); + spin_unlock_irq(&mapping->tree_lock); + goto restart; + } + } + if (pmd_downgrade) { radix_tree_delete(&mapping->page_tree, index); mapping->nrexceptional--; @@ -388,19 +404,12 @@ restart: if (err) { spin_unlock_irq(&mapping->tree_lock); /* - * Someone already created the entry? This is a - * normal failure when inserting PMDs in a range - * that already contains PTEs. In that case we want - * to return -EEXIST immediately. - */ - if (err == -EEXIST && !(size_flag & RADIX_DAX_PMD)) - goto restart; - /* - * Our insertion of a DAX PMD entry failed, most - * likely because it collided with a PTE sized entry - * at a different index in the PMD range. We haven't - * inserted anything into the radix tree and have no - * waiters to wake. + * Our insertion of a DAX entry failed, most likely + * because we were inserting a PMD entry and it + * collided with a PTE sized entry at a different + * index in the PMD range. We haven't inserted + * anything into the radix tree and have no waiters to + * wake. */ return ERR_PTR(err); } diff --git a/fs/dlm/lowcomms.c b/fs/dlm/lowcomms.c index 7d398d3..9382db9 100644 --- a/fs/dlm/lowcomms.c +++ b/fs/dlm/lowcomms.c @@ -743,7 +743,7 @@ static int tcp_accept_from_sock(struct connection *con) newsock->type = con->sock->type; newsock->ops = con->sock->ops; - result = con->sock->ops->accept(con->sock, newsock, O_NONBLOCK); + result = con->sock->ops->accept(con->sock, newsock, O_NONBLOCK, true); if (result < 0) goto accept_err; diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h index f493af6..fb69ee2 100644 --- a/fs/ext4/ext4.h +++ b/fs/ext4/ext4.h @@ -2466,6 +2466,7 @@ extern int ext4_setattr(struct dentry *, struct iattr *); extern int ext4_getattr(const struct path *, struct kstat *, u32, unsigned int); extern void ext4_evict_inode(struct inode *); extern void ext4_clear_inode(struct inode *); +extern int ext4_file_getattr(const struct path *, struct kstat *, u32, unsigned int); extern int ext4_sync_inode(handle_t *, struct inode *); extern void ext4_dirty_inode(struct inode *, int); extern int ext4_change_inode_journal_flag(struct inode *, int); diff --git a/fs/ext4/file.c b/fs/ext4/file.c index 8210c1f..cefa983 100644 --- a/fs/ext4/file.c +++ b/fs/ext4/file.c @@ -744,7 +744,7 @@ const struct file_operations ext4_file_operations = { const struct inode_operations ext4_file_inode_operations = { .setattr = ext4_setattr, - .getattr = ext4_getattr, + .getattr = ext4_file_getattr, .listxattr = ext4_listxattr, .get_acl = ext4_get_acl, .set_acl = ext4_set_acl, diff --git a/fs/ext4/inline.c b/fs/ext4/inline.c index 30a9f21..375fb1c 100644 --- a/fs/ext4/inline.c +++ b/fs/ext4/inline.c @@ -1169,10 +1169,9 @@ static int ext4_finish_convert_inline_dir(handle_t *handle, set_buffer_uptodate(dir_block); err = ext4_handle_dirty_dirent_node(handle, inode, dir_block); if (err) - goto out; + return err; set_buffer_verified(dir_block); -out: - return err; + return ext4_mark_inode_dirty(handle, inode); } static int ext4_convert_inline_data_nolock(handle_t *handle, diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index 7385e6a..b9ffa9f 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -5390,17 +5390,52 @@ err_out: int ext4_getattr(const struct path *path, struct kstat *stat, u32 request_mask, unsigned int query_flags) { - struct inode *inode; - unsigned long long delalloc_blocks; + struct inode *inode = d_inode(path->dentry); + struct ext4_inode *raw_inode; + struct ext4_inode_info *ei = EXT4_I(inode); + unsigned int flags; + + if (EXT4_FITS_IN_INODE(raw_inode, ei, i_crtime)) { + stat->result_mask |= STATX_BTIME; + stat->btime.tv_sec = ei->i_crtime.tv_sec; + stat->btime.tv_nsec = ei->i_crtime.tv_nsec; + } + + flags = ei->i_flags & EXT4_FL_USER_VISIBLE; + if (flags & EXT4_APPEND_FL) + stat->attributes |= STATX_ATTR_APPEND; + if (flags & EXT4_COMPR_FL) + stat->attributes |= STATX_ATTR_COMPRESSED; + if (flags & EXT4_ENCRYPT_FL) + stat->attributes |= STATX_ATTR_ENCRYPTED; + if (flags & EXT4_IMMUTABLE_FL) + stat->attributes |= STATX_ATTR_IMMUTABLE; + if (flags & EXT4_NODUMP_FL) + stat->attributes |= STATX_ATTR_NODUMP; + + stat->attributes_mask |= (STATX_ATTR_APPEND | + STATX_ATTR_COMPRESSED | + STATX_ATTR_ENCRYPTED | + STATX_ATTR_IMMUTABLE | + STATX_ATTR_NODUMP); - inode = d_inode(path->dentry); generic_fillattr(inode, stat); + return 0; +} + +int ext4_file_getattr(const struct path *path, struct kstat *stat, + u32 request_mask, unsigned int query_flags) +{ + struct inode *inode = d_inode(path->dentry); + u64 delalloc_blocks; + + ext4_getattr(path, stat, request_mask, query_flags); /* * If there is inline data in the inode, the inode will normally not * have data blocks allocated (it may have an external xattr block). * Report at least one sector for such files, so tools like tar, rsync, - * others doen't incorrectly think the file is completely sparse. + * others don't incorrectly think the file is completely sparse. */ if (unlikely(ext4_has_inline_data(inode))) stat->blocks += (stat->size + 511) >> 9; diff --git a/fs/ext4/move_extent.c b/fs/ext4/move_extent.c index 578f8c3..c992ef2 100644 --- a/fs/ext4/move_extent.c +++ b/fs/ext4/move_extent.c @@ -511,7 +511,7 @@ mext_check_arguments(struct inode *orig_inode, if ((orig_start & ~(PAGE_MASK >> orig_inode->i_blkbits)) != (donor_start & ~(PAGE_MASK >> orig_inode->i_blkbits))) { ext4_debug("ext4 move extent: orig and donor's start " - "offset are not alligned [ino:orig %lu, donor %lu]\n", + "offsets are not aligned [ino:orig %lu, donor %lu]\n", orig_inode->i_ino, donor_inode->i_ino); return -EINVAL; } diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c index 6ad612c..07e5e14 100644 --- a/fs/ext4/namei.c +++ b/fs/ext4/namei.c @@ -3912,6 +3912,7 @@ const struct inode_operations ext4_dir_inode_operations = { .tmpfile = ext4_tmpfile, .rename = ext4_rename2, .setattr = ext4_setattr, + .getattr = ext4_getattr, .listxattr = ext4_listxattr, .get_acl = ext4_get_acl, .set_acl = ext4_set_acl, @@ -3920,6 +3921,7 @@ const struct inode_operations ext4_dir_inode_operations = { const struct inode_operations ext4_special_inode_operations = { .setattr = ext4_setattr, + .getattr = ext4_getattr, .listxattr = ext4_listxattr, .get_acl = ext4_get_acl, .set_acl = ext4_set_acl, diff --git a/fs/ext4/super.c b/fs/ext4/super.c index 2e03a0a..a9448db 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -1120,17 +1120,16 @@ static int ext4_get_context(struct inode *inode, void *ctx, size_t len) EXT4_XATTR_NAME_ENCRYPTION_CONTEXT, ctx, len); } -static int ext4_prepare_context(struct inode *inode) -{ - return ext4_convert_inline_data(inode); -} - static int ext4_set_context(struct inode *inode, const void *ctx, size_t len, void *fs_data) { handle_t *handle = fs_data; int res, res2, retries = 0; + res = ext4_convert_inline_data(inode); + if (res) + return res; + /* * If a journal handle was specified, then the encryption context is * being set on a new inode via inheritance and is part of a larger @@ -1196,7 +1195,6 @@ static unsigned ext4_max_namelen(struct inode *inode) static const struct fscrypt_operations ext4_cryptops = { .key_prefix = "ext4:", .get_context = ext4_get_context, - .prepare_context = ext4_prepare_context, .set_context = ext4_set_context, .dummy_context = ext4_dummy_context, .is_encrypted = ext4_encrypted_inode, diff --git a/fs/ext4/symlink.c b/fs/ext4/symlink.c index 73b184d..5c8fc53 100644 --- a/fs/ext4/symlink.c +++ b/fs/ext4/symlink.c @@ -85,17 +85,20 @@ errout: const struct inode_operations ext4_encrypted_symlink_inode_operations = { .get_link = ext4_encrypted_get_link, .setattr = ext4_setattr, + .getattr = ext4_getattr, .listxattr = ext4_listxattr, }; const struct inode_operations ext4_symlink_inode_operations = { .get_link = page_get_link, .setattr = ext4_setattr, + .getattr = ext4_getattr, .listxattr = ext4_listxattr, }; const struct inode_operations ext4_fast_symlink_inode_operations = { .get_link = simple_get_link, .setattr = ext4_setattr, + .getattr = ext4_getattr, .listxattr = ext4_listxattr, }; diff --git a/fs/ext4/xattr.c b/fs/ext4/xattr.c index 67636ac..996e790 100644 --- a/fs/ext4/xattr.c +++ b/fs/ext4/xattr.c @@ -131,31 +131,26 @@ static __le32 ext4_xattr_block_csum(struct inode *inode, } static int ext4_xattr_block_csum_verify(struct inode *inode, - sector_t block_nr, - struct ext4_xattr_header *hdr) + struct buffer_head *bh) { - if (ext4_has_metadata_csum(inode->i_sb) && - (hdr->h_checksum != ext4_xattr_block_csum(inode, block_nr, hdr))) - return 0; - return 1; -} - -static void ext4_xattr_block_csum_set(struct inode *inode, - sector_t block_nr, - struct ext4_xattr_header *hdr) -{ - if (!ext4_has_metadata_csum(inode->i_sb)) - return; + struct ext4_xattr_header *hdr = BHDR(bh); + int ret = 1; - hdr->h_checksum = ext4_xattr_block_csum(inode, block_nr, hdr); + if (ext4_has_metadata_csum(inode->i_sb)) { + lock_buffer(bh); + ret = (hdr->h_checksum == ext4_xattr_block_csum(inode, + bh->b_blocknr, hdr)); + unlock_buffer(bh); + } + return ret; } -static inline int ext4_handle_dirty_xattr_block(handle_t *handle, - struct inode *inode, - struct buffer_head *bh) +static void ext4_xattr_block_csum_set(struct inode *inode, + struct buffer_head *bh) { - ext4_xattr_block_csum_set(inode, bh->b_blocknr, BHDR(bh)); - return ext4_handle_dirty_metadata(handle, inode, bh); + if (ext4_has_metadata_csum(inode->i_sb)) + BHDR(bh)->h_checksum = ext4_xattr_block_csum(inode, + bh->b_blocknr, BHDR(bh)); } static inline const struct xattr_handler * @@ -233,7 +228,7 @@ ext4_xattr_check_block(struct inode *inode, struct buffer_head *bh) if (BHDR(bh)->h_magic != cpu_to_le32(EXT4_XATTR_MAGIC) || BHDR(bh)->h_blocks != cpu_to_le32(1)) return -EFSCORRUPTED; - if (!ext4_xattr_block_csum_verify(inode, bh->b_blocknr, BHDR(bh))) + if (!ext4_xattr_block_csum_verify(inode, bh)) return -EFSBADCRC; error = ext4_xattr_check_names(BFIRST(bh), bh->b_data + bh->b_size, bh->b_data); @@ -618,23 +613,22 @@ ext4_xattr_release_block(handle_t *handle, struct inode *inode, } } + ext4_xattr_block_csum_set(inode, bh); /* * Beware of this ugliness: Releasing of xattr block references * from different inodes can race and so we have to protect * from a race where someone else frees the block (and releases * its journal_head) before we are done dirtying the buffer. In * nojournal mode this race is harmless and we actually cannot - * call ext4_handle_dirty_xattr_block() with locked buffer as + * call ext4_handle_dirty_metadata() with locked buffer as * that function can call sync_dirty_buffer() so for that case * we handle the dirtying after unlocking the buffer. */ if (ext4_handle_valid(handle)) - error = ext4_handle_dirty_xattr_block(handle, inode, - bh); + error = ext4_handle_dirty_metadata(handle, inode, bh); unlock_buffer(bh); if (!ext4_handle_valid(handle)) - error = ext4_handle_dirty_xattr_block(handle, inode, - bh); + error = ext4_handle_dirty_metadata(handle, inode, bh); if (IS_SYNC(inode)) ext4_handle_sync(handle); dquot_free_block(inode, EXT4_C2B(EXT4_SB(inode->i_sb), 1)); @@ -863,13 +857,14 @@ ext4_xattr_block_set(handle_t *handle, struct inode *inode, ext4_xattr_cache_insert(ext4_mb_cache, bs->bh); } + ext4_xattr_block_csum_set(inode, bs->bh); unlock_buffer(bs->bh); if (error == -EFSCORRUPTED) goto bad_block; if (!error) - error = ext4_handle_dirty_xattr_block(handle, - inode, - bs->bh); + error = ext4_handle_dirty_metadata(handle, + inode, + bs->bh); if (error) goto cleanup; goto inserted; @@ -967,10 +962,11 @@ inserted: ce->e_reusable = 0; ea_bdebug(new_bh, "reusing; refcount now=%d", ref); + ext4_xattr_block_csum_set(inode, new_bh); unlock_buffer(new_bh); - error = ext4_handle_dirty_xattr_block(handle, - inode, - new_bh); + error = ext4_handle_dirty_metadata(handle, + inode, + new_bh); if (error) goto cleanup_dquot; } @@ -1020,11 +1016,12 @@ getblk_failed: goto getblk_failed; } memcpy(new_bh->b_data, s->base, new_bh->b_size); + ext4_xattr_block_csum_set(inode, new_bh); set_buffer_uptodate(new_bh); unlock_buffer(new_bh); ext4_xattr_cache_insert(ext4_mb_cache, new_bh); - error = ext4_handle_dirty_xattr_block(handle, - inode, new_bh); + error = ext4_handle_dirty_metadata(handle, inode, + new_bh); if (error) goto cleanup; } diff --git a/fs/f2fs/debug.c b/fs/f2fs/debug.c index a77df37..ee2d0a48 100644 --- a/fs/f2fs/debug.c +++ b/fs/f2fs/debug.c @@ -196,6 +196,7 @@ static void update_mem_info(struct f2fs_sb_info *sbi) si->base_mem += (NM_I(sbi)->nat_bits_blocks << F2FS_BLKSIZE_BITS); si->base_mem += NM_I(sbi)->nat_blocks * NAT_ENTRY_BITMAP_SIZE; si->base_mem += NM_I(sbi)->nat_blocks / 8; + si->base_mem += NM_I(sbi)->nat_blocks * sizeof(unsigned short); get_cache: si->cache_mem = 0; diff --git a/fs/f2fs/dir.c b/fs/f2fs/dir.c index 4650c9b..8d5c62b 100644 --- a/fs/f2fs/dir.c +++ b/fs/f2fs/dir.c @@ -750,7 +750,7 @@ void f2fs_delete_entry(struct f2fs_dir_entry *dentry, struct page *page, dentry_blk = page_address(page); bit_pos = dentry - dentry_blk->dentry; for (i = 0; i < slots; i++) - clear_bit_le(bit_pos + i, &dentry_blk->dentry_bitmap); + __clear_bit_le(bit_pos + i, &dentry_blk->dentry_bitmap); /* Let's check and deallocate this dentry page */ bit_pos = find_next_bit_le(&dentry_blk->dentry_bitmap, diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index e849f83..0a6e115 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -561,6 +561,8 @@ struct f2fs_nm_info { struct mutex build_lock; /* lock for build free nids */ unsigned char (*free_nid_bitmap)[NAT_ENTRY_BITMAP_SIZE]; unsigned char *nat_block_bitmap; + unsigned short *free_nid_count; /* free nid count of NAT block */ + spinlock_t free_nid_lock; /* protect updating of nid count */ /* for checkpoint */ char *nat_bitmap; /* NAT bitmap pointer */ diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c index 9496717..481aa8d 100644 --- a/fs/f2fs/node.c +++ b/fs/f2fs/node.c @@ -338,9 +338,6 @@ static void set_node_addr(struct f2fs_sb_info *sbi, struct node_info *ni, set_nat_flag(e, IS_CHECKPOINTED, false); __set_nat_cache_dirty(nm_i, e); - if (enabled_nat_bits(sbi, NULL) && new_blkaddr == NEW_ADDR) - clear_bit_le(NAT_BLOCK_OFFSET(ni->nid), nm_i->empty_nat_bits); - /* update fsync_mark if its inode nat entry is still alive */ if (ni->nid != ni->ino) e = __lookup_nat_cache(nm_i, ni->ino); @@ -1823,7 +1820,8 @@ static void remove_free_nid(struct f2fs_sb_info *sbi, nid_t nid) kmem_cache_free(free_nid_slab, i); } -void update_free_nid_bitmap(struct f2fs_sb_info *sbi, nid_t nid, bool set) +static void update_free_nid_bitmap(struct f2fs_sb_info *sbi, nid_t nid, + bool set, bool build, bool locked) { struct f2fs_nm_info *nm_i = NM_I(sbi); unsigned int nat_ofs = NAT_BLOCK_OFFSET(nid); @@ -1833,9 +1831,18 @@ void update_free_nid_bitmap(struct f2fs_sb_info *sbi, nid_t nid, bool set) return; if (set) - set_bit_le(nid_ofs, nm_i->free_nid_bitmap[nat_ofs]); + __set_bit_le(nid_ofs, nm_i->free_nid_bitmap[nat_ofs]); else - clear_bit_le(nid_ofs, nm_i->free_nid_bitmap[nat_ofs]); + __clear_bit_le(nid_ofs, nm_i->free_nid_bitmap[nat_ofs]); + + if (!locked) + spin_lock(&nm_i->free_nid_lock); + if (set) + nm_i->free_nid_count[nat_ofs]++; + else if (!build) + nm_i->free_nid_count[nat_ofs]--; + if (!locked) + spin_unlock(&nm_i->free_nid_lock); } static void scan_nat_page(struct f2fs_sb_info *sbi, @@ -1847,7 +1854,10 @@ static void scan_nat_page(struct f2fs_sb_info *sbi, unsigned int nat_ofs = NAT_BLOCK_OFFSET(start_nid); int i; - set_bit_le(nat_ofs, nm_i->nat_block_bitmap); + if (test_bit_le(nat_ofs, nm_i->nat_block_bitmap)) + return; + + __set_bit_le(nat_ofs, nm_i->nat_block_bitmap); i = start_nid % NAT_ENTRY_PER_BLOCK; @@ -1861,7 +1871,7 @@ static void scan_nat_page(struct f2fs_sb_info *sbi, f2fs_bug_on(sbi, blk_addr == NEW_ADDR); if (blk_addr == NULL_ADDR) freed = add_free_nid(sbi, start_nid, true); - update_free_nid_bitmap(sbi, start_nid, freed); + update_free_nid_bitmap(sbi, start_nid, freed, true, false); } } @@ -1877,6 +1887,8 @@ static void scan_free_nid_bits(struct f2fs_sb_info *sbi) for (i = 0; i < nm_i->nat_blocks; i++) { if (!test_bit_le(i, nm_i->nat_block_bitmap)) continue; + if (!nm_i->free_nid_count[i]) + continue; for (idx = 0; idx < NAT_ENTRY_PER_BLOCK; idx++) { nid_t nid; @@ -1907,58 +1919,6 @@ out: up_read(&nm_i->nat_tree_lock); } -static int scan_nat_bits(struct f2fs_sb_info *sbi) -{ - struct f2fs_nm_info *nm_i = NM_I(sbi); - struct page *page; - unsigned int i = 0; - nid_t nid; - - if (!enabled_nat_bits(sbi, NULL)) - return -EAGAIN; - - down_read(&nm_i->nat_tree_lock); -check_empty: - i = find_next_bit_le(nm_i->empty_nat_bits, nm_i->nat_blocks, i); - if (i >= nm_i->nat_blocks) { - i = 0; - goto check_partial; - } - - for (nid = i * NAT_ENTRY_PER_BLOCK; nid < (i + 1) * NAT_ENTRY_PER_BLOCK; - nid++) { - if (unlikely(nid >= nm_i->max_nid)) - break; - add_free_nid(sbi, nid, true); - } - - if (nm_i->nid_cnt[FREE_NID_LIST] >= MAX_FREE_NIDS) - goto out; - i++; - goto check_empty; - -check_partial: - i = find_next_zero_bit_le(nm_i->full_nat_bits, nm_i->nat_blocks, i); - if (i >= nm_i->nat_blocks) { - disable_nat_bits(sbi, true); - up_read(&nm_i->nat_tree_lock); - return -EINVAL; - } - - nid = i * NAT_ENTRY_PER_BLOCK; - page = get_current_nat_page(sbi, nid); - scan_nat_page(sbi, page, nid); - f2fs_put_page(page, 1); - - if (nm_i->nid_cnt[FREE_NID_LIST] < MAX_FREE_NIDS) { - i++; - goto check_partial; - } -out: - up_read(&nm_i->nat_tree_lock); - return 0; -} - static void __build_free_nids(struct f2fs_sb_info *sbi, bool sync, bool mount) { struct f2fs_nm_info *nm_i = NM_I(sbi); @@ -1980,21 +1940,6 @@ static void __build_free_nids(struct f2fs_sb_info *sbi, bool sync, bool mount) if (nm_i->nid_cnt[FREE_NID_LIST]) return; - - /* try to find free nids with nat_bits */ - if (!scan_nat_bits(sbi) && nm_i->nid_cnt[FREE_NID_LIST]) - return; - } - - /* find next valid candidate */ - if (enabled_nat_bits(sbi, NULL)) { - int idx = find_next_zero_bit_le(nm_i->full_nat_bits, - nm_i->nat_blocks, 0); - - if (idx >= nm_i->nat_blocks) - set_sbi_flag(sbi, SBI_NEED_FSCK); - else - nid = idx * NAT_ENTRY_PER_BLOCK; } /* readahead nat pages to be scanned */ @@ -2081,7 +2026,7 @@ retry: __insert_nid_to_list(sbi, i, ALLOC_NID_LIST, false); nm_i->available_nids--; - update_free_nid_bitmap(sbi, *nid, false); + update_free_nid_bitmap(sbi, *nid, false, false, false); spin_unlock(&nm_i->nid_list_lock); return true; @@ -2137,7 +2082,7 @@ void alloc_nid_failed(struct f2fs_sb_info *sbi, nid_t nid) nm_i->available_nids++; - update_free_nid_bitmap(sbi, nid, true); + update_free_nid_bitmap(sbi, nid, true, false, false); spin_unlock(&nm_i->nid_list_lock); @@ -2383,7 +2328,7 @@ add_out: list_add_tail(&nes->set_list, head); } -void __update_nat_bits(struct f2fs_sb_info *sbi, nid_t start_nid, +static void __update_nat_bits(struct f2fs_sb_info *sbi, nid_t start_nid, struct page *page) { struct f2fs_nm_info *nm_i = NM_I(sbi); @@ -2402,16 +2347,16 @@ void __update_nat_bits(struct f2fs_sb_info *sbi, nid_t start_nid, valid++; } if (valid == 0) { - set_bit_le(nat_index, nm_i->empty_nat_bits); - clear_bit_le(nat_index, nm_i->full_nat_bits); + __set_bit_le(nat_index, nm_i->empty_nat_bits); + __clear_bit_le(nat_index, nm_i->full_nat_bits); return; } - clear_bit_le(nat_index, nm_i->empty_nat_bits); + __clear_bit_le(nat_index, nm_i->empty_nat_bits); if (valid == NAT_ENTRY_PER_BLOCK) - set_bit_le(nat_index, nm_i->full_nat_bits); + __set_bit_le(nat_index, nm_i->full_nat_bits); else - clear_bit_le(nat_index, nm_i->full_nat_bits); + __clear_bit_le(nat_index, nm_i->full_nat_bits); } static void __flush_nat_entry_set(struct f2fs_sb_info *sbi, @@ -2467,11 +2412,11 @@ static void __flush_nat_entry_set(struct f2fs_sb_info *sbi, add_free_nid(sbi, nid, false); spin_lock(&NM_I(sbi)->nid_list_lock); NM_I(sbi)->available_nids++; - update_free_nid_bitmap(sbi, nid, true); + update_free_nid_bitmap(sbi, nid, true, false, false); spin_unlock(&NM_I(sbi)->nid_list_lock); } else { spin_lock(&NM_I(sbi)->nid_list_lock); - update_free_nid_bitmap(sbi, nid, false); + update_free_nid_bitmap(sbi, nid, false, false, false); spin_unlock(&NM_I(sbi)->nid_list_lock); } } @@ -2577,6 +2522,40 @@ static int __get_nat_bitmaps(struct f2fs_sb_info *sbi) return 0; } +inline void load_free_nid_bitmap(struct f2fs_sb_info *sbi) +{ + struct f2fs_nm_info *nm_i = NM_I(sbi); + unsigned int i = 0; + nid_t nid, last_nid; + + if (!enabled_nat_bits(sbi, NULL)) + return; + + for (i = 0; i < nm_i->nat_blocks; i++) { + i = find_next_bit_le(nm_i->empty_nat_bits, nm_i->nat_blocks, i); + if (i >= nm_i->nat_blocks) + break; + + __set_bit_le(i, nm_i->nat_block_bitmap); + + nid = i * NAT_ENTRY_PER_BLOCK; + last_nid = (i + 1) * NAT_ENTRY_PER_BLOCK; + + spin_lock(&nm_i->free_nid_lock); + for (; nid < last_nid; nid++) + update_free_nid_bitmap(sbi, nid, true, true, true); + spin_unlock(&nm_i->free_nid_lock); + } + + for (i = 0; i < nm_i->nat_blocks; i++) { + i = find_next_bit_le(nm_i->full_nat_bits, nm_i->nat_blocks, i); + if (i >= nm_i->nat_blocks) + break; + + __set_bit_le(i, nm_i->nat_block_bitmap); + } +} + static int init_node_manager(struct f2fs_sb_info *sbi) { struct f2fs_super_block *sb_raw = F2FS_RAW_SUPER(sbi); @@ -2638,7 +2617,7 @@ static int init_node_manager(struct f2fs_sb_info *sbi) return 0; } -int init_free_nid_cache(struct f2fs_sb_info *sbi) +static int init_free_nid_cache(struct f2fs_sb_info *sbi) { struct f2fs_nm_info *nm_i = NM_I(sbi); @@ -2651,6 +2630,14 @@ int init_free_nid_cache(struct f2fs_sb_info *sbi) GFP_KERNEL); if (!nm_i->nat_block_bitmap) return -ENOMEM; + + nm_i->free_nid_count = f2fs_kvzalloc(nm_i->nat_blocks * + sizeof(unsigned short), GFP_KERNEL); + if (!nm_i->free_nid_count) + return -ENOMEM; + + spin_lock_init(&nm_i->free_nid_lock); + return 0; } @@ -2670,6 +2657,9 @@ int build_node_manager(struct f2fs_sb_info *sbi) if (err) return err; + /* load free nid status from nat_bits table */ + load_free_nid_bitmap(sbi); + build_free_nids(sbi, true, true); return 0; } @@ -2730,6 +2720,7 @@ void destroy_node_manager(struct f2fs_sb_info *sbi) kvfree(nm_i->nat_block_bitmap); kvfree(nm_i->free_nid_bitmap); + kvfree(nm_i->free_nid_count); kfree(nm_i->nat_bitmap); kfree(nm_i->nat_bits); diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c index 4bd7a8b..29ef708 100644 --- a/fs/f2fs/segment.c +++ b/fs/f2fs/segment.c @@ -1163,6 +1163,12 @@ static void update_sit_entry(struct f2fs_sb_info *sbi, block_t blkaddr, int del) if (f2fs_discard_en(sbi) && !f2fs_test_and_set_bit(offset, se->discard_map)) sbi->discard_blks--; + + /* don't overwrite by SSR to keep node chain */ + if (se->type == CURSEG_WARM_NODE) { + if (!f2fs_test_and_set_bit(offset, se->ckpt_valid_map)) + se->ckpt_valid_blocks++; + } } else { if (!f2fs_test_and_clear_bit(offset, se->cur_valid_map)) { #ifdef CONFIG_F2FS_CHECK_FS diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c index ef60059..63ee294 100644 --- a/fs/fs-writeback.c +++ b/fs/fs-writeback.c @@ -173,19 +173,33 @@ static void wb_wakeup(struct bdi_writeback *wb) spin_unlock_bh(&wb->work_lock); } +static void finish_writeback_work(struct bdi_writeback *wb, + struct wb_writeback_work *work) +{ + struct wb_completion *done = work->done; + + if (work->auto_free) + kfree(work); + if (done && atomic_dec_and_test(&done->cnt)) + wake_up_all(&wb->bdi->wb_waitq); +} + static void wb_queue_work(struct bdi_writeback *wb, struct wb_writeback_work *work) { trace_writeback_queue(wb, work); - spin_lock_bh(&wb->work_lock); - if (!test_bit(WB_registered, &wb->state)) - goto out_unlock; if (work->done) atomic_inc(&work->done->cnt); - list_add_tail(&work->list, &wb->work_list); - mod_delayed_work(bdi_wq, &wb->dwork, 0); -out_unlock: + + spin_lock_bh(&wb->work_lock); + + if (test_bit(WB_registered, &wb->state)) { + list_add_tail(&work->list, &wb->work_list); + mod_delayed_work(bdi_wq, &wb->dwork, 0); + } else + finish_writeback_work(wb, work); + spin_unlock_bh(&wb->work_lock); } @@ -1873,16 +1887,9 @@ static long wb_do_writeback(struct bdi_writeback *wb) set_bit(WB_writeback_running, &wb->state); while ((work = get_next_work_item(wb)) != NULL) { - struct wb_completion *done = work->done; - trace_writeback_exec(wb, work); - wrote += wb_writeback(wb, work); - - if (work->auto_free) - kfree(work); - if (done && atomic_dec_and_test(&done->cnt)) - wake_up_all(&wb->bdi->wb_waitq); + finish_writeback_work(wb, work); } /* diff --git a/fs/gfs2/incore.h b/fs/gfs2/incore.h index c45084a..511e1ed 100644 --- a/fs/gfs2/incore.h +++ b/fs/gfs2/incore.h @@ -207,7 +207,7 @@ struct lm_lockname { struct gfs2_sbd *ln_sbd; u64 ln_number; unsigned int ln_type; -}; +} __packed __aligned(sizeof(int)); #define lm_name_equal(name1, name2) \ (((name1)->ln_number == (name2)->ln_number) && \ diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c index 8f96461..dde8613 100644 --- a/fs/hugetlbfs/inode.c +++ b/fs/hugetlbfs/inode.c @@ -136,17 +136,26 @@ static int hugetlbfs_file_mmap(struct file *file, struct vm_area_struct *vma) vma->vm_flags |= VM_HUGETLB | VM_DONTEXPAND; vma->vm_ops = &hugetlb_vm_ops; + /* + * Offset passed to mmap (before page shift) could have been + * negative when represented as a (l)off_t. + */ + if (((loff_t)vma->vm_pgoff << PAGE_SHIFT) < 0) + return -EINVAL; + if (vma->vm_pgoff & (~huge_page_mask(h) >> PAGE_SHIFT)) return -EINVAL; vma_len = (loff_t)(vma->vm_end - vma->vm_start); + len = vma_len + ((loff_t)vma->vm_pgoff << PAGE_SHIFT); + /* check for overflow */ + if (len < vma_len) + return -EINVAL; inode_lock(inode); file_accessed(file); ret = -ENOMEM; - len = vma_len + ((loff_t)vma->vm_pgoff << PAGE_SHIFT); - if (hugetlb_reserve_pages(inode, vma->vm_pgoff >> huge_page_order(h), len >> huge_page_shift(h), vma, @@ -155,7 +164,7 @@ static int hugetlbfs_file_mmap(struct file *file, struct vm_area_struct *vma) ret = 0; if (vma->vm_flags & VM_WRITE && inode->i_size < len) - inode->i_size = len; + i_size_write(inode, len); out: inode_unlock(inode); @@ -695,14 +704,11 @@ static struct inode *hugetlbfs_get_root(struct super_block *sb, inode = new_inode(sb); if (inode) { - struct hugetlbfs_inode_info *info; inode->i_ino = get_next_ino(); inode->i_mode = S_IFDIR | config->mode; inode->i_uid = config->uid; inode->i_gid = config->gid; inode->i_atime = inode->i_mtime = inode->i_ctime = current_time(inode); - info = HUGETLBFS_I(inode); - mpol_shared_policy_init(&info->policy, NULL); inode->i_op = &hugetlbfs_dir_inode_operations; inode->i_fop = &simple_dir_operations; /* directory inodes start off with i_nlink == 2 (for "." entry) */ @@ -733,7 +739,6 @@ static struct inode *hugetlbfs_get_inode(struct super_block *sb, inode = new_inode(sb); if (inode) { - struct hugetlbfs_inode_info *info; inode->i_ino = get_next_ino(); inode_init_owner(inode, dir, mode); lockdep_set_class(&inode->i_mapping->i_mmap_rwsem, @@ -741,15 +746,6 @@ static struct inode *hugetlbfs_get_inode(struct super_block *sb, inode->i_mapping->a_ops = &hugetlbfs_aops; inode->i_atime = inode->i_mtime = inode->i_ctime = current_time(inode); inode->i_mapping->private_data = resv_map; - info = HUGETLBFS_I(inode); - /* - * The policy is initialized here even if we are creating a - * private inode because initialization simply creates an - * an empty rb tree and calls rwlock_init(), later when we - * call mpol_free_shared_policy() it will just return because - * the rb tree will still be empty. - */ - mpol_shared_policy_init(&info->policy, NULL); switch (mode & S_IFMT) { default: init_special_inode(inode, mode, dev); @@ -937,6 +933,18 @@ static struct inode *hugetlbfs_alloc_inode(struct super_block *sb) hugetlbfs_inc_free_inodes(sbinfo); return NULL; } + + /* + * Any time after allocation, hugetlbfs_destroy_inode can be called + * for the inode. mpol_free_shared_policy is unconditionally called + * as part of hugetlbfs_destroy_inode. So, initialize policy here + * in case of a quick call to destroy. + * + * Note that the policy is initialized even if we are creating a + * private inode. This simplifies hugetlbfs_destroy_inode. + */ + mpol_shared_policy_init(&p->policy, NULL); + return &p->vfs_inode; } diff --git a/fs/jbd2/journal.c b/fs/jbd2/journal.c index a1a359b..5adc2fb 100644 --- a/fs/jbd2/journal.c +++ b/fs/jbd2/journal.c @@ -1125,10 +1125,8 @@ static journal_t *journal_init_common(struct block_device *bdev, /* Set up a default-sized revoke table for the new mount. */ err = jbd2_journal_init_revoke(journal, JOURNAL_REVOKE_DEFAULT_HASH); - if (err) { - kfree(journal); - return NULL; - } + if (err) + goto err_cleanup; spin_lock_init(&journal->j_history_lock); @@ -1145,23 +1143,25 @@ static journal_t *journal_init_common(struct block_device *bdev, journal->j_wbufsize = n; journal->j_wbuf = kmalloc_array(n, sizeof(struct buffer_head *), GFP_KERNEL); - if (!journal->j_wbuf) { - kfree(journal); - return NULL; - } + if (!journal->j_wbuf) + goto err_cleanup; bh = getblk_unmovable(journal->j_dev, start, journal->j_blocksize); if (!bh) { pr_err("%s: Cannot get buffer for journal superblock\n", __func__); - kfree(journal->j_wbuf); - kfree(journal); - return NULL; + goto err_cleanup; } journal->j_sb_buffer = bh; journal->j_superblock = (journal_superblock_t *)bh->b_data; return journal; + +err_cleanup: + kfree(journal->j_wbuf); + jbd2_journal_destroy_revoke(journal); + kfree(journal); + return NULL; } /* jbd2_journal_init_dev and jbd2_journal_init_inode: diff --git a/fs/jbd2/revoke.c b/fs/jbd2/revoke.c index cfc38b5..f9aefcd 100644 --- a/fs/jbd2/revoke.c +++ b/fs/jbd2/revoke.c @@ -280,6 +280,7 @@ int jbd2_journal_init_revoke(journal_t *journal, int hash_size) fail1: jbd2_journal_destroy_revoke_table(journal->j_revoke_table[0]); + journal->j_revoke_table[0] = NULL; fail0: return -ENOMEM; } diff --git a/fs/kernfs/file.c b/fs/kernfs/file.c index 8e4dc7a..ac2dfe0 100644 --- a/fs/kernfs/file.c +++ b/fs/kernfs/file.c @@ -809,7 +809,8 @@ void kernfs_drain_open_files(struct kernfs_node *kn) if (kn->flags & KERNFS_HAS_MMAP) unmap_mapping_range(inode->i_mapping, 0, 0, 1); - kernfs_release_file(kn, of); + if (kn->flags & KERNFS_HAS_RELEASE) + kernfs_release_file(kn, of); } mutex_unlock(&kernfs_open_file_mutex); @@ -2145,6 +2145,9 @@ static const char *path_init(struct nameidata *nd, unsigned flags) int retval = 0; const char *s = nd->name->name; + if (!*s) + flags &= ~LOOKUP_RCU; + nd->last_type = LAST_ROOT; /* if there are only slashes... */ nd->flags = flags | LOOKUP_JUMPED | LOOKUP_PARENT; nd->depth = 0; diff --git a/fs/nfs/callback.c b/fs/nfs/callback.c index bb79972..7737745 100644 --- a/fs/nfs/callback.c +++ b/fs/nfs/callback.c @@ -232,12 +232,12 @@ static struct svc_serv_ops nfs41_cb_sv_ops = { .svo_module = THIS_MODULE, }; -struct svc_serv_ops *nfs4_cb_sv_ops[] = { +static struct svc_serv_ops *nfs4_cb_sv_ops[] = { [0] = &nfs40_cb_sv_ops, [1] = &nfs41_cb_sv_ops, }; #else -struct svc_serv_ops *nfs4_cb_sv_ops[] = { +static struct svc_serv_ops *nfs4_cb_sv_ops[] = { [0] = &nfs40_cb_sv_ops, [1] = NULL, }; diff --git a/fs/nfs/client.c b/fs/nfs/client.c index 91a8d61..390ada8 100644 --- a/fs/nfs/client.c +++ b/fs/nfs/client.c @@ -325,10 +325,33 @@ static struct nfs_client *nfs_match_client(const struct nfs_client_initdata *dat return NULL; } -static bool nfs_client_init_is_complete(const struct nfs_client *clp) +/* + * Return true if @clp is done initializing, false if still working on it. + * + * Use nfs_client_init_status to check if it was successful. + */ +bool nfs_client_init_is_complete(const struct nfs_client *clp) { return clp->cl_cons_state <= NFS_CS_READY; } +EXPORT_SYMBOL_GPL(nfs_client_init_is_complete); + +/* + * Return 0 if @clp was successfully initialized, -errno otherwise. + * + * This must be called *after* nfs_client_init_is_complete() returns true, + * otherwise it will pop WARN_ON_ONCE and return -EINVAL + */ +int nfs_client_init_status(const struct nfs_client *clp) +{ + /* called without checking nfs_client_init_is_complete */ + if (clp->cl_cons_state > NFS_CS_READY) { + WARN_ON_ONCE(1); + return -EINVAL; + } + return clp->cl_cons_state; +} +EXPORT_SYMBOL_GPL(nfs_client_init_status); int nfs_wait_client_init_complete(const struct nfs_client *clp) { diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c index fb499a3..f92ba8d 100644 --- a/fs/nfs/dir.c +++ b/fs/nfs/dir.c @@ -2055,7 +2055,7 @@ int nfs_rename(struct inode *old_dir, struct dentry *old_dentry, { struct inode *old_inode = d_inode(old_dentry); struct inode *new_inode = d_inode(new_dentry); - struct dentry *dentry = NULL, *rehash = NULL; + struct dentry *dentry = NULL; struct rpc_task *task; int error = -EBUSY; @@ -2078,10 +2078,8 @@ int nfs_rename(struct inode *old_dir, struct dentry *old_dentry, * To prevent any new references to the target during the * rename, we unhash the dentry in advance. */ - if (!d_unhashed(new_dentry)) { + if (!d_unhashed(new_dentry)) d_drop(new_dentry); - rehash = new_dentry; - } if (d_count(new_dentry) > 2) { int err; @@ -2098,7 +2096,6 @@ int nfs_rename(struct inode *old_dir, struct dentry *old_dentry, goto out; new_dentry = dentry; - rehash = NULL; new_inode = NULL; } } @@ -2119,8 +2116,6 @@ int nfs_rename(struct inode *old_dir, struct dentry *old_dentry, error = task->tk_status; rpc_put_task(task); out: - if (rehash) - d_rehash(rehash); trace_nfs_rename_exit(old_dir, old_dentry, new_dir, new_dentry, error); /* new dentry created? */ diff --git a/fs/nfs/filelayout/filelayout.c b/fs/nfs/filelayout/filelayout.c index 44347f4..acd30ba 100644 --- a/fs/nfs/filelayout/filelayout.c +++ b/fs/nfs/filelayout/filelayout.c @@ -202,10 +202,10 @@ static int filelayout_async_handle_error(struct rpc_task *task, task->tk_status); nfs4_mark_deviceid_unavailable(devid); pnfs_error_mark_layout_for_return(inode, lseg); - pnfs_set_lo_fail(lseg); rpc_wake_up(&tbl->slot_tbl_waitq); /* fall through */ default: + pnfs_set_lo_fail(lseg); reset: dprintk("%s Retry through MDS. Error %d\n", __func__, task->tk_status); @@ -560,6 +560,50 @@ filelayout_write_pagelist(struct nfs_pgio_header *hdr, int sync) return PNFS_ATTEMPTED; } +static int +filelayout_check_deviceid(struct pnfs_layout_hdr *lo, + struct nfs4_filelayout_segment *fl, + gfp_t gfp_flags) +{ + struct nfs4_deviceid_node *d; + struct nfs4_file_layout_dsaddr *dsaddr; + int status = -EINVAL; + + /* find and reference the deviceid */ + d = nfs4_find_get_deviceid(NFS_SERVER(lo->plh_inode), &fl->deviceid, + lo->plh_lc_cred, gfp_flags); + if (d == NULL) + goto out; + + dsaddr = container_of(d, struct nfs4_file_layout_dsaddr, id_node); + /* Found deviceid is unavailable */ + if (filelayout_test_devid_unavailable(&dsaddr->id_node)) + goto out_put; + + fl->dsaddr = dsaddr; + + if (fl->first_stripe_index >= dsaddr->stripe_count) { + dprintk("%s Bad first_stripe_index %u\n", + __func__, fl->first_stripe_index); + goto out_put; + } + + if ((fl->stripe_type == STRIPE_SPARSE && + fl->num_fh > 1 && fl->num_fh != dsaddr->ds_num) || + (fl->stripe_type == STRIPE_DENSE && + fl->num_fh != dsaddr->stripe_count)) { + dprintk("%s num_fh %u not valid for given packing\n", + __func__, fl->num_fh); + goto out_put; + } + status = 0; +out: + return status; +out_put: + nfs4_fl_put_deviceid(dsaddr); + goto out; +} + /* * filelayout_check_layout() * @@ -572,11 +616,8 @@ static int filelayout_check_layout(struct pnfs_layout_hdr *lo, struct nfs4_filelayout_segment *fl, struct nfs4_layoutget_res *lgr, - struct nfs4_deviceid *id, gfp_t gfp_flags) { - struct nfs4_deviceid_node *d; - struct nfs4_file_layout_dsaddr *dsaddr; int status = -EINVAL; dprintk("--> %s\n", __func__); @@ -601,41 +642,10 @@ filelayout_check_layout(struct pnfs_layout_hdr *lo, goto out; } - /* find and reference the deviceid */ - d = nfs4_find_get_deviceid(NFS_SERVER(lo->plh_inode), id, - lo->plh_lc_cred, gfp_flags); - if (d == NULL) - goto out; - - dsaddr = container_of(d, struct nfs4_file_layout_dsaddr, id_node); - /* Found deviceid is unavailable */ - if (filelayout_test_devid_unavailable(&dsaddr->id_node)) - goto out_put; - - fl->dsaddr = dsaddr; - - if (fl->first_stripe_index >= dsaddr->stripe_count) { - dprintk("%s Bad first_stripe_index %u\n", - __func__, fl->first_stripe_index); - goto out_put; - } - - if ((fl->stripe_type == STRIPE_SPARSE && - fl->num_fh > 1 && fl->num_fh != dsaddr->ds_num) || - (fl->stripe_type == STRIPE_DENSE && - fl->num_fh != dsaddr->stripe_count)) { - dprintk("%s num_fh %u not valid for given packing\n", - __func__, fl->num_fh); - goto out_put; - } - status = 0; out: dprintk("--> %s returns %d\n", __func__, status); return status; -out_put: - nfs4_fl_put_deviceid(dsaddr); - goto out; } static void _filelayout_free_lseg(struct nfs4_filelayout_segment *fl) @@ -657,7 +667,6 @@ static int filelayout_decode_layout(struct pnfs_layout_hdr *flo, struct nfs4_filelayout_segment *fl, struct nfs4_layoutget_res *lgr, - struct nfs4_deviceid *id, gfp_t gfp_flags) { struct xdr_stream stream; @@ -682,9 +691,9 @@ filelayout_decode_layout(struct pnfs_layout_hdr *flo, if (unlikely(!p)) goto out_err; - memcpy(id, p, sizeof(*id)); + memcpy(&fl->deviceid, p, sizeof(fl->deviceid)); p += XDR_QUADLEN(NFS4_DEVICEID4_SIZE); - nfs4_print_deviceid(id); + nfs4_print_deviceid(&fl->deviceid); nfl_util = be32_to_cpup(p++); if (nfl_util & NFL4_UFLG_COMMIT_THRU_MDS) @@ -831,15 +840,14 @@ filelayout_alloc_lseg(struct pnfs_layout_hdr *layoutid, { struct nfs4_filelayout_segment *fl; int rc; - struct nfs4_deviceid id; dprintk("--> %s\n", __func__); fl = kzalloc(sizeof(*fl), gfp_flags); if (!fl) return NULL; - rc = filelayout_decode_layout(layoutid, fl, lgr, &id, gfp_flags); - if (rc != 0 || filelayout_check_layout(layoutid, fl, lgr, &id, gfp_flags)) { + rc = filelayout_decode_layout(layoutid, fl, lgr, gfp_flags); + if (rc != 0 || filelayout_check_layout(layoutid, fl, lgr, gfp_flags)) { _filelayout_free_lseg(fl); return NULL; } @@ -888,18 +896,51 @@ filelayout_pg_test(struct nfs_pageio_descriptor *pgio, struct nfs_page *prev, return min(stripe_unit - (unsigned int)stripe_offset, size); } +static struct pnfs_layout_segment * +fl_pnfs_update_layout(struct inode *ino, + struct nfs_open_context *ctx, + loff_t pos, + u64 count, + enum pnfs_iomode iomode, + bool strict_iomode, + gfp_t gfp_flags) +{ + struct pnfs_layout_segment *lseg = NULL; + struct pnfs_layout_hdr *lo; + struct nfs4_filelayout_segment *fl; + int status; + + lseg = pnfs_update_layout(ino, ctx, pos, count, iomode, strict_iomode, + gfp_flags); + if (!lseg) + lseg = ERR_PTR(-ENOMEM); + if (IS_ERR(lseg)) + goto out; + + lo = NFS_I(ino)->layout; + fl = FILELAYOUT_LSEG(lseg); + + status = filelayout_check_deviceid(lo, fl, gfp_flags); + if (status) + lseg = ERR_PTR(status); +out: + if (IS_ERR(lseg)) + pnfs_put_lseg(lseg); + return lseg; +} + static void filelayout_pg_init_read(struct nfs_pageio_descriptor *pgio, struct nfs_page *req) { if (!pgio->pg_lseg) { - pgio->pg_lseg = pnfs_update_layout(pgio->pg_inode, - req->wb_context, - 0, - NFS4_MAX_UINT64, - IOMODE_READ, - false, - GFP_KERNEL); + pgio->pg_lseg = fl_pnfs_update_layout(pgio->pg_inode, + req->wb_context, + 0, + NFS4_MAX_UINT64, + IOMODE_READ, + false, + GFP_KERNEL); if (IS_ERR(pgio->pg_lseg)) { pgio->pg_error = PTR_ERR(pgio->pg_lseg); pgio->pg_lseg = NULL; @@ -919,13 +960,13 @@ filelayout_pg_init_write(struct nfs_pageio_descriptor *pgio, int status; if (!pgio->pg_lseg) { - pgio->pg_lseg = pnfs_update_layout(pgio->pg_inode, - req->wb_context, - 0, - NFS4_MAX_UINT64, - IOMODE_RW, - false, - GFP_NOFS); + pgio->pg_lseg = fl_pnfs_update_layout(pgio->pg_inode, + req->wb_context, + 0, + NFS4_MAX_UINT64, + IOMODE_RW, + false, + GFP_NOFS); if (IS_ERR(pgio->pg_lseg)) { pgio->pg_error = PTR_ERR(pgio->pg_lseg); pgio->pg_lseg = NULL; diff --git a/fs/nfs/filelayout/filelayout.h b/fs/nfs/filelayout/filelayout.h index 2896cb8..79323b5 100644 --- a/fs/nfs/filelayout/filelayout.h +++ b/fs/nfs/filelayout/filelayout.h @@ -55,15 +55,16 @@ struct nfs4_file_layout_dsaddr { }; struct nfs4_filelayout_segment { - struct pnfs_layout_segment generic_hdr; - u32 stripe_type; - u32 commit_through_mds; - u32 stripe_unit; - u32 first_stripe_index; - u64 pattern_offset; - struct nfs4_file_layout_dsaddr *dsaddr; /* Point to GETDEVINFO data */ - unsigned int num_fh; - struct nfs_fh **fh_array; + struct pnfs_layout_segment generic_hdr; + u32 stripe_type; + u32 commit_through_mds; + u32 stripe_unit; + u32 first_stripe_index; + u64 pattern_offset; + struct nfs4_deviceid deviceid; + struct nfs4_file_layout_dsaddr *dsaddr; /* Point to GETDEVINFO data */ + unsigned int num_fh; + struct nfs_fh **fh_array; }; struct nfs4_filelayout { diff --git a/fs/nfs/filelayout/filelayoutdev.c b/fs/nfs/filelayout/filelayoutdev.c index f956ca2..d913e81 100644 --- a/fs/nfs/filelayout/filelayoutdev.c +++ b/fs/nfs/filelayout/filelayoutdev.c @@ -266,6 +266,7 @@ nfs4_fl_prepare_ds(struct pnfs_layout_segment *lseg, u32 ds_idx) struct nfs4_deviceid_node *devid = FILELAYOUT_DEVID_NODE(lseg); struct nfs4_pnfs_ds *ret = ds; struct nfs_server *s = NFS_SERVER(lseg->pls_layout->plh_inode); + int status; if (ds == NULL) { printk(KERN_ERR "NFS: %s: No data server for offset index %d\n", @@ -277,9 +278,14 @@ nfs4_fl_prepare_ds(struct pnfs_layout_segment *lseg, u32 ds_idx) if (ds->ds_clp) goto out_test_devid; - nfs4_pnfs_ds_connect(s, ds, devid, dataserver_timeo, + status = nfs4_pnfs_ds_connect(s, ds, devid, dataserver_timeo, dataserver_retrans, 4, s->nfs_client->cl_minorversion); + if (status) { + nfs4_mark_deviceid_unavailable(devid); + ret = NULL; + goto out; + } out_test_devid: if (ret->ds_clp == NULL || diff --git a/fs/nfs/flexfilelayout/flexfilelayout.h b/fs/nfs/flexfilelayout/flexfilelayout.h index f4f39b0..98b34c9 100644 --- a/fs/nfs/flexfilelayout/flexfilelayout.h +++ b/fs/nfs/flexfilelayout/flexfilelayout.h @@ -175,7 +175,19 @@ ff_layout_no_read_on_rw(struct pnfs_layout_segment *lseg) static inline bool ff_layout_test_devid_unavailable(struct nfs4_deviceid_node *node) { - return nfs4_test_deviceid_unavailable(node); + /* + * Flexfiles should never mark a DS unavailable, but if it does + * print a (ratelimited) warning as this can affect performance. + */ + if (nfs4_test_deviceid_unavailable(node)) { + u32 *p = (u32 *)node->deviceid.data; + + pr_warn_ratelimited("NFS: flexfiles layout referencing an " + "unavailable device [%x%x%x%x]\n", + p[0], p[1], p[2], p[3]); + return true; + } + return false; } static inline int diff --git a/fs/nfs/flexfilelayout/flexfilelayoutdev.c b/fs/nfs/flexfilelayout/flexfilelayoutdev.c index e5a6f24..457cfeb 100644 --- a/fs/nfs/flexfilelayout/flexfilelayoutdev.c +++ b/fs/nfs/flexfilelayout/flexfilelayoutdev.c @@ -208,6 +208,10 @@ static bool ff_layout_mirror_valid(struct pnfs_layout_segment *lseg, } else goto outerr; } + + if (IS_ERR(mirror->mirror_ds)) + goto outerr; + if (mirror->mirror_ds->ds == NULL) { struct nfs4_deviceid_node *devid; devid = &mirror->mirror_ds->id_node; @@ -384,6 +388,7 @@ nfs4_ff_layout_prepare_ds(struct pnfs_layout_segment *lseg, u32 ds_idx, struct inode *ino = lseg->pls_layout->plh_inode; struct nfs_server *s = NFS_SERVER(ino); unsigned int max_payload; + int status; if (!ff_layout_mirror_valid(lseg, mirror, true)) { pr_err_ratelimited("NFS: %s: No data server for offset index %d\n", @@ -404,7 +409,7 @@ nfs4_ff_layout_prepare_ds(struct pnfs_layout_segment *lseg, u32 ds_idx, /* FIXME: For now we assume the server sent only one version of NFS * to use for the DS. */ - nfs4_pnfs_ds_connect(s, ds, devid, dataserver_timeo, + status = nfs4_pnfs_ds_connect(s, ds, devid, dataserver_timeo, dataserver_retrans, mirror->mirror_ds->ds_versions[0].version, mirror->mirror_ds->ds_versions[0].minor_version); @@ -420,11 +425,11 @@ nfs4_ff_layout_prepare_ds(struct pnfs_layout_segment *lseg, u32 ds_idx, mirror->mirror_ds->ds_versions[0].wsize = max_payload; goto out; } +out_fail: ff_layout_track_ds_error(FF_LAYOUT_FROM_HDR(lseg->pls_layout), mirror, lseg->pls_range.offset, lseg->pls_range.length, NFS4ERR_NXIO, OP_ILLEGAL, GFP_NOIO); -out_fail: if (fail_return || !ff_layout_has_available_ds(lseg)) pnfs_error_mark_layout_for_return(ino, lseg); ds = NULL; diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h index 09ca5095..7b38fed 100644 --- a/fs/nfs/internal.h +++ b/fs/nfs/internal.h @@ -186,6 +186,8 @@ extern struct nfs_server *nfs_clone_server(struct nfs_server *, struct nfs_fh *, struct nfs_fattr *, rpc_authflavor_t); +extern bool nfs_client_init_is_complete(const struct nfs_client *clp); +extern int nfs_client_init_status(const struct nfs_client *clp); extern int nfs_wait_client_init_complete(const struct nfs_client *clp); extern void nfs_mark_client_ready(struct nfs_client *clp, int state); extern struct nfs_client *nfs4_set_ds_client(struct nfs_server *mds_srv, diff --git a/fs/nfs/nfs4client.c b/fs/nfs/nfs4client.c index 5ae9d64..8346ccb 100644 --- a/fs/nfs/nfs4client.c +++ b/fs/nfs/nfs4client.c @@ -1023,9 +1023,9 @@ static void nfs4_session_set_rwsize(struct nfs_server *server) server_resp_sz = sess->fc_attrs.max_resp_sz - nfs41_maxread_overhead; server_rqst_sz = sess->fc_attrs.max_rqst_sz - nfs41_maxwrite_overhead; - if (server->rsize > server_resp_sz) + if (!server->rsize || server->rsize > server_resp_sz) server->rsize = server_resp_sz; - if (server->wsize > server_rqst_sz) + if (!server->wsize || server->wsize > server_rqst_sz) server->wsize = server_rqst_sz; #endif /* CONFIG_NFS_V4_1 */ } diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index 1b18368..201ca3f 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -2258,8 +2258,6 @@ static int nfs4_opendata_access(struct rpc_cred *cred, if ((mask & ~cache.mask & (MAY_READ | MAY_EXEC)) == 0) return 0; - /* even though OPEN succeeded, access is denied. Close the file */ - nfs4_close_state(state, fmode); return -EACCES; } @@ -2444,17 +2442,14 @@ static void nfs41_check_delegation_stateid(struct nfs4_state *state) } nfs4_stateid_copy(&stateid, &delegation->stateid); - if (test_bit(NFS_DELEGATION_REVOKED, &delegation->flags)) { + if (test_bit(NFS_DELEGATION_REVOKED, &delegation->flags) || + !test_and_clear_bit(NFS_DELEGATION_TEST_EXPIRED, + &delegation->flags)) { rcu_read_unlock(); nfs_finish_clear_delegation_stateid(state, &stateid); return; } - if (!test_and_clear_bit(NFS_DELEGATION_TEST_EXPIRED, &delegation->flags)) { - rcu_read_unlock(); - return; - } - cred = get_rpccred(delegation->cred); rcu_read_unlock(); status = nfs41_test_and_free_expired_stateid(server, &stateid, cred); @@ -7427,11 +7422,11 @@ static void nfs4_exchange_id_release(void *data) struct nfs41_exchange_id_data *cdata = (struct nfs41_exchange_id_data *)data; - nfs_put_client(cdata->args.client); if (cdata->xprt) { xprt_put(cdata->xprt); rpc_clnt_xprt_switch_put(cdata->args.client->cl_rpcclient); } + nfs_put_client(cdata->args.client); kfree(cdata->res.impl_id); kfree(cdata->res.server_scope); kfree(cdata->res.server_owner); @@ -7538,10 +7533,8 @@ static int _nfs4_proc_exchange_id(struct nfs_client *clp, struct rpc_cred *cred, task_setup_data.callback_data = calldata; task = rpc_run_task(&task_setup_data); - if (IS_ERR(task)) { - status = PTR_ERR(task); - goto out_impl_id; - } + if (IS_ERR(task)) + return PTR_ERR(task); if (!xprt) { status = rpc_wait_for_completion_task(task); @@ -7569,6 +7562,7 @@ out_server_owner: kfree(calldata->res.server_owner); out_calldata: kfree(calldata); + nfs_put_client(clp); goto out; } diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c index f0369e3..80ce289 100644 --- a/fs/nfs/nfs4xdr.c +++ b/fs/nfs/nfs4xdr.c @@ -3942,7 +3942,7 @@ static int decode_attr_group(struct xdr_stream *xdr, uint32_t *bitmap, if (len <= 0) goto out; dprintk("%s: name=%s\n", __func__, group_name->data); - return NFS_ATTR_FATTR_OWNER_NAME; + return NFS_ATTR_FATTR_GROUP_NAME; } else { len = xdr_stream_decode_opaque_inline(xdr, (void **)&p, XDR_MAX_NETOBJ); diff --git a/fs/nfs/pnfs.h b/fs/nfs/pnfs.h index 63f77b4..590e1e3 100644 --- a/fs/nfs/pnfs.h +++ b/fs/nfs/pnfs.h @@ -367,7 +367,7 @@ void nfs4_pnfs_ds_put(struct nfs4_pnfs_ds *ds); struct nfs4_pnfs_ds *nfs4_pnfs_ds_add(struct list_head *dsaddrs, gfp_t gfp_flags); void nfs4_pnfs_v3_ds_connect_unload(void); -void nfs4_pnfs_ds_connect(struct nfs_server *mds_srv, struct nfs4_pnfs_ds *ds, +int nfs4_pnfs_ds_connect(struct nfs_server *mds_srv, struct nfs4_pnfs_ds *ds, struct nfs4_deviceid_node *devid, unsigned int timeo, unsigned int retrans, u32 version, u32 minor_version); struct nfs4_pnfs_ds_addr *nfs4_decode_mp_ds_addr(struct net *net, diff --git a/fs/nfs/pnfs_nfs.c b/fs/nfs/pnfs_nfs.c index 9414b49..7250b95 100644 --- a/fs/nfs/pnfs_nfs.c +++ b/fs/nfs/pnfs_nfs.c @@ -745,15 +745,17 @@ out: /* * Create an rpc connection to the nfs4_pnfs_ds data server. * Currently only supports IPv4 and IPv6 addresses. - * If connection fails, make devid unavailable. + * If connection fails, make devid unavailable and return a -errno. */ -void nfs4_pnfs_ds_connect(struct nfs_server *mds_srv, struct nfs4_pnfs_ds *ds, +int nfs4_pnfs_ds_connect(struct nfs_server *mds_srv, struct nfs4_pnfs_ds *ds, struct nfs4_deviceid_node *devid, unsigned int timeo, unsigned int retrans, u32 version, u32 minor_version) { - if (test_and_set_bit(NFS4DS_CONNECTING, &ds->ds_state) == 0) { - int err = 0; + int err; +again: + err = 0; + if (test_and_set_bit(NFS4DS_CONNECTING, &ds->ds_state) == 0) { if (version == 3) { err = _nfs4_pnfs_v3_ds_connect(mds_srv, ds, timeo, retrans); @@ -766,12 +768,29 @@ void nfs4_pnfs_ds_connect(struct nfs_server *mds_srv, struct nfs4_pnfs_ds *ds, err = -EPROTONOSUPPORT; } - if (err) - nfs4_mark_deviceid_unavailable(devid); nfs4_clear_ds_conn_bit(ds); } else { nfs4_wait_ds_connect(ds); + + /* what was waited on didn't connect AND didn't mark unavail */ + if (!ds->ds_clp && !nfs4_test_deviceid_unavailable(devid)) + goto again; } + + /* + * At this point the ds->ds_clp should be ready, but it might have + * hit an error. + */ + if (!err) { + if (!ds->ds_clp || !nfs_client_init_is_complete(ds->ds_clp)) { + WARN_ON_ONCE(ds->ds_clp || + !nfs4_test_deviceid_unavailable(devid)); + return -EINVAL; + } + err = nfs_client_init_status(ds->ds_clp); + } + + return err; } EXPORT_SYMBOL_GPL(nfs4_pnfs_ds_connect); diff --git a/fs/nfs/write.c b/fs/nfs/write.c index e75b056..abb2c8a 100644 --- a/fs/nfs/write.c +++ b/fs/nfs/write.c @@ -1784,7 +1784,8 @@ static void nfs_commit_release_pages(struct nfs_commit_data *data) (long long)req_offset(req)); if (status < 0) { nfs_context_set_write_error(req->wb_context, status); - nfs_inode_remove_request(req); + if (req->wb_page) + nfs_inode_remove_request(req); dprintk_cont(", error = %d\n", status); goto next; } @@ -1793,7 +1794,8 @@ static void nfs_commit_release_pages(struct nfs_commit_data *data) * returned by the server against all stored verfs. */ if (!nfs_write_verifier_cmp(&req->wb_verf, &data->verf.verifier)) { /* We have a match */ - nfs_inode_remove_request(req); + if (req->wb_page) + nfs_inode_remove_request(req); dprintk_cont(" OK\n"); goto next; } diff --git a/fs/nfsd/nfsctl.c b/fs/nfsd/nfsctl.c index 73e75ac..8bf8f66 100644 --- a/fs/nfsd/nfsctl.c +++ b/fs/nfsd/nfsctl.c @@ -538,13 +538,21 @@ out_free: static ssize_t nfsd_print_version_support(char *buf, int remaining, const char *sep, - unsigned vers, unsigned minor) + unsigned vers, int minor) { - const char *format = (minor == 0) ? "%s%c%u" : "%s%c%u.%u"; + const char *format = minor < 0 ? "%s%c%u" : "%s%c%u.%u"; bool supported = !!nfsd_vers(vers, NFSD_TEST); - if (vers == 4 && !nfsd_minorversion(minor, NFSD_TEST)) + if (vers == 4 && minor >= 0 && + !nfsd_minorversion(minor, NFSD_TEST)) supported = false; + if (minor == 0 && supported) + /* + * special case for backward compatability. + * +4.0 is never reported, it is implied by + * +4, unless -4.0 is present. + */ + return 0; return snprintf(buf, remaining, format, sep, supported ? '+' : '-', vers, minor); } @@ -554,7 +562,6 @@ static ssize_t __write_versions(struct file *file, char *buf, size_t size) char *mesg = buf; char *vers, *minorp, sign; int len, num, remaining; - unsigned minor; ssize_t tlen = 0; char *sep; struct nfsd_net *nn = net_generic(netns(file), nfsd_net_id); @@ -575,6 +582,7 @@ static ssize_t __write_versions(struct file *file, char *buf, size_t size) if (len <= 0) return -EINVAL; do { enum vers_op cmd; + unsigned minor; sign = *vers; if (sign == '+' || sign == '-') num = simple_strtol((vers+1), &minorp, 0); @@ -585,8 +593,8 @@ static ssize_t __write_versions(struct file *file, char *buf, size_t size) return -EINVAL; if (kstrtouint(minorp+1, 0, &minor) < 0) return -EINVAL; - } else - minor = 0; + } + cmd = sign == '-' ? NFSD_CLEAR : NFSD_SET; switch(num) { case 2: @@ -594,8 +602,20 @@ static ssize_t __write_versions(struct file *file, char *buf, size_t size) nfsd_vers(num, cmd); break; case 4: - if (nfsd_minorversion(minor, cmd) >= 0) - break; + if (*minorp == '.') { + if (nfsd_minorversion(minor, cmd) < 0) + return -EINVAL; + } else if ((cmd == NFSD_SET) != nfsd_vers(num, NFSD_TEST)) { + /* + * Either we have +4 and no minors are enabled, + * or we have -4 and at least one minor is enabled. + * In either case, propagate 'cmd' to all minors. + */ + minor = 0; + while (nfsd_minorversion(minor, cmd) >= 0) + minor++; + } + break; default: return -EINVAL; } @@ -612,9 +632,11 @@ static ssize_t __write_versions(struct file *file, char *buf, size_t size) sep = ""; remaining = SIMPLE_TRANSACTION_LIMIT; for (num=2 ; num <= 4 ; num++) { + int minor; if (!nfsd_vers(num, NFSD_AVAIL)) continue; - minor = 0; + + minor = -1; do { len = nfsd_print_version_support(buf, remaining, sep, num, minor); @@ -624,7 +646,8 @@ static ssize_t __write_versions(struct file *file, char *buf, size_t size) buf += len; tlen += len; minor++; - sep = " "; + if (len) + sep = " "; } while (num == 4 && minor <= NFSD_SUPPORTED_MINOR_VERSION); } out: diff --git a/fs/nfsd/nfsproc.c b/fs/nfsd/nfsproc.c index fa82b77..03a7e9d 100644 --- a/fs/nfsd/nfsproc.c +++ b/fs/nfsd/nfsproc.c @@ -786,6 +786,7 @@ nfserrno (int errno) { nfserr_serverfault, -ESERVERFAULT }, { nfserr_serverfault, -ENFILE }, { nfserr_io, -EUCLEAN }, + { nfserr_perm, -ENOKEY }, }; int i; diff --git a/fs/nfsd/nfssvc.c b/fs/nfsd/nfssvc.c index 786a4a2..31e1f95 100644 --- a/fs/nfsd/nfssvc.c +++ b/fs/nfsd/nfssvc.c @@ -167,7 +167,8 @@ nfsd_adjust_nfsd_versions4(void) int nfsd_minorversion(u32 minorversion, enum vers_op change) { - if (minorversion > NFSD_SUPPORTED_MINOR_VERSION) + if (minorversion > NFSD_SUPPORTED_MINOR_VERSION && + change != NFSD_AVAIL) return -1; switch(change) { case NFSD_SET: @@ -415,23 +416,20 @@ static void nfsd_last_thread(struct svc_serv *serv, struct net *net) void nfsd_reset_versions(void) { - int found_one = 0; int i; - for (i = NFSD_MINVERS; i < NFSD_NRVERS; i++) { - if (nfsd_program.pg_vers[i]) - found_one = 1; - } + for (i = 0; i < NFSD_NRVERS; i++) + if (nfsd_vers(i, NFSD_TEST)) + return; - if (!found_one) { - for (i = NFSD_MINVERS; i < NFSD_NRVERS; i++) - nfsd_program.pg_vers[i] = nfsd_version[i]; -#if defined(CONFIG_NFSD_V2_ACL) || defined(CONFIG_NFSD_V3_ACL) - for (i = NFSD_ACL_MINVERS; i < NFSD_ACL_NRVERS; i++) - nfsd_acl_program.pg_vers[i] = - nfsd_acl_version[i]; -#endif - } + for (i = 0; i < NFSD_NRVERS; i++) + if (i != 4) + nfsd_vers(i, NFSD_SET); + else { + int minor = 0; + while (nfsd_minorversion(minor, NFSD_SET) >= 0) + minor++; + } } /* diff --git a/fs/ocfs2/cluster/tcp.c b/fs/ocfs2/cluster/tcp.c index 4348027..d0ab7e5 100644 --- a/fs/ocfs2/cluster/tcp.c +++ b/fs/ocfs2/cluster/tcp.c @@ -1863,7 +1863,7 @@ static int o2net_accept_one(struct socket *sock, int *more) new_sock->type = sock->type; new_sock->ops = sock->ops; - ret = sock->ops->accept(sock, new_sock, O_NONBLOCK); + ret = sock->ops->accept(sock, new_sock, O_NONBLOCK, false); if (ret < 0) goto out; diff --git a/fs/orangefs/devorangefs-req.c b/fs/orangefs/devorangefs-req.c index c4ab6fd..e1534c9 100644 --- a/fs/orangefs/devorangefs-req.c +++ b/fs/orangefs/devorangefs-req.c @@ -208,14 +208,19 @@ restart: continue; /* * Skip ops whose filesystem we don't know about unless - * it is being mounted. + * it is being mounted or unmounted. It is possible for + * a filesystem we don't know about to be unmounted if + * it fails to mount in the kernel after userspace has + * been sent the mount request. */ /* XXX: is there a better way to detect this? */ } else if (ret == -1 && !(op->upcall.type == ORANGEFS_VFS_OP_FS_MOUNT || op->upcall.type == - ORANGEFS_VFS_OP_GETATTR)) { + ORANGEFS_VFS_OP_GETATTR || + op->upcall.type == + ORANGEFS_VFS_OP_FS_UMOUNT)) { gossip_debug(GOSSIP_DEV_DEBUG, "orangefs: skipping op tag %llu %s\n", llu(op->tag), get_opname_string(op)); diff --git a/fs/orangefs/orangefs-kernel.h b/fs/orangefs/orangefs-kernel.h index 5e48a0b..8afac46 100644 --- a/fs/orangefs/orangefs-kernel.h +++ b/fs/orangefs/orangefs-kernel.h @@ -249,6 +249,7 @@ struct orangefs_sb_info_s { char devname[ORANGEFS_MAX_SERVER_ADDR_LEN]; struct super_block *sb; int mount_pending; + int no_list; struct list_head list; }; diff --git a/fs/orangefs/super.c b/fs/orangefs/super.c index 67c2435..629d8c9 100644 --- a/fs/orangefs/super.c +++ b/fs/orangefs/super.c @@ -263,8 +263,13 @@ int orangefs_remount(struct orangefs_sb_info_s *orangefs_sb) if (!new_op) return -ENOMEM; new_op->upcall.req.features.features = 0; - ret = service_operation(new_op, "orangefs_features", 0); - orangefs_features = new_op->downcall.resp.features.features; + ret = service_operation(new_op, "orangefs_features", + ORANGEFS_OP_PRIORITY | ORANGEFS_OP_NO_MUTEX); + if (!ret) + orangefs_features = + new_op->downcall.resp.features.features; + else + orangefs_features = 0; op_release(new_op); } else { orangefs_features = 0; @@ -488,7 +493,7 @@ struct dentry *orangefs_mount(struct file_system_type *fst, if (ret) { d = ERR_PTR(ret); - goto free_op; + goto free_sb_and_op; } /* @@ -514,6 +519,9 @@ struct dentry *orangefs_mount(struct file_system_type *fst, spin_unlock(&orangefs_superblocks_lock); op_release(new_op); + /* Must be removed from the list now. */ + ORANGEFS_SB(sb)->no_list = 0; + if (orangefs_userspace_version >= 20906) { new_op = op_alloc(ORANGEFS_VFS_OP_FEATURES); if (!new_op) @@ -528,6 +536,10 @@ struct dentry *orangefs_mount(struct file_system_type *fst, return dget(sb->s_root); +free_sb_and_op: + /* Will call orangefs_kill_sb with sb not in list. */ + ORANGEFS_SB(sb)->no_list = 1; + deactivate_locked_super(sb); free_op: gossip_err("orangefs_mount: mount request failed with %d\n", ret); if (ret == -EINVAL) { @@ -553,12 +565,14 @@ void orangefs_kill_sb(struct super_block *sb) */ orangefs_unmount_sb(sb); - /* remove the sb from our list of orangefs specific sb's */ - - spin_lock(&orangefs_superblocks_lock); - __list_del_entry(&ORANGEFS_SB(sb)->list); /* not list_del_init */ - ORANGEFS_SB(sb)->list.prev = NULL; - spin_unlock(&orangefs_superblocks_lock); + if (!ORANGEFS_SB(sb)->no_list) { + /* remove the sb from our list of orangefs specific sb's */ + spin_lock(&orangefs_superblocks_lock); + /* not list_del_init */ + __list_del_entry(&ORANGEFS_SB(sb)->list); + ORANGEFS_SB(sb)->list.prev = NULL; + spin_unlock(&orangefs_superblocks_lock); + } /* * make sure that ORANGEFS_DEV_REMOUNT_ALL loop that might've seen us diff --git a/fs/proc/proc_sysctl.c b/fs/proc/proc_sysctl.c index 8f91ec6..d04ea43 100644 --- a/fs/proc/proc_sysctl.c +++ b/fs/proc/proc_sysctl.c @@ -1074,6 +1074,7 @@ static int sysctl_check_table(const char *path, struct ctl_table *table) if ((table->proc_handler == proc_dostring) || (table->proc_handler == proc_dointvec) || + (table->proc_handler == proc_douintvec) || (table->proc_handler == proc_dointvec_minmax) || (table->proc_handler == proc_dointvec_jiffies) || (table->proc_handler == proc_dointvec_userhz_jiffies) || diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c index f08bd31..3125780 100644 --- a/fs/proc/task_mmu.c +++ b/fs/proc/task_mmu.c @@ -900,7 +900,14 @@ static inline void clear_soft_dirty(struct vm_area_struct *vma, static inline void clear_soft_dirty_pmd(struct vm_area_struct *vma, unsigned long addr, pmd_t *pmdp) { - pmd_t pmd = pmdp_huge_get_and_clear(vma->vm_mm, addr, pmdp); + pmd_t pmd = *pmdp; + + /* See comment in change_huge_pmd() */ + pmdp_invalidate(vma, addr, pmdp); + if (pmd_dirty(*pmdp)) + pmd = pmd_mkdirty(pmd); + if (pmd_young(*pmdp)) + pmd = pmd_mkyoung(pmd); pmd = pmd_wrprotect(pmd); pmd = pmd_clear_soft_dirty(pmd); @@ -130,9 +130,13 @@ EXPORT_SYMBOL(vfs_getattr); int vfs_statx_fd(unsigned int fd, struct kstat *stat, u32 request_mask, unsigned int query_flags) { - struct fd f = fdget_raw(fd); + struct fd f; int error = -EBADF; + if (query_flags & ~KSTAT_QUERY_FLAGS) + return -EINVAL; + + f = fdget_raw(fd); if (f.file) { error = vfs_getattr(&f.file->f_path, stat, request_mask, query_flags); @@ -155,9 +159,6 @@ EXPORT_SYMBOL(vfs_statx_fd); * Additionally, the use of AT_SYMLINK_NOFOLLOW in flags will prevent a symlink * at the given name from being referenced. * - * The caller must have preset stat->request_mask as for vfs_getattr(). The - * flags are also used to load up stat->query_flags. - * * 0 will be returned on success, and a -ve error code if unsuccessful. */ int vfs_statx(int dfd, const char __user *filename, int flags, @@ -509,46 +510,38 @@ SYSCALL_DEFINE4(fstatat64, int, dfd, const char __user *, filename, } #endif /* __ARCH_WANT_STAT64 || __ARCH_WANT_COMPAT_STAT64 */ -static inline int __put_timestamp(struct timespec *kts, - struct statx_timestamp __user *uts) -{ - return (__put_user(kts->tv_sec, &uts->tv_sec ) || - __put_user(kts->tv_nsec, &uts->tv_nsec ) || - __put_user(0, &uts->__reserved )); -} - -/* - * Set the statx results. - */ -static long statx_set_result(struct kstat *stat, struct statx __user *buffer) +static noinline_for_stack int +cp_statx(const struct kstat *stat, struct statx __user *buffer) { - uid_t uid = from_kuid_munged(current_user_ns(), stat->uid); - gid_t gid = from_kgid_munged(current_user_ns(), stat->gid); - - if (__put_user(stat->result_mask, &buffer->stx_mask ) || - __put_user(stat->mode, &buffer->stx_mode ) || - __clear_user(&buffer->__spare0, sizeof(buffer->__spare0)) || - __put_user(stat->nlink, &buffer->stx_nlink ) || - __put_user(uid, &buffer->stx_uid ) || - __put_user(gid, &buffer->stx_gid ) || - __put_user(stat->attributes, &buffer->stx_attributes ) || - __put_user(stat->blksize, &buffer->stx_blksize ) || - __put_user(MAJOR(stat->rdev), &buffer->stx_rdev_major ) || - __put_user(MINOR(stat->rdev), &buffer->stx_rdev_minor ) || - __put_user(MAJOR(stat->dev), &buffer->stx_dev_major ) || - __put_user(MINOR(stat->dev), &buffer->stx_dev_minor ) || - __put_timestamp(&stat->atime, &buffer->stx_atime ) || - __put_timestamp(&stat->btime, &buffer->stx_btime ) || - __put_timestamp(&stat->ctime, &buffer->stx_ctime ) || - __put_timestamp(&stat->mtime, &buffer->stx_mtime ) || - __put_user(stat->ino, &buffer->stx_ino ) || - __put_user(stat->size, &buffer->stx_size ) || - __put_user(stat->blocks, &buffer->stx_blocks ) || - __clear_user(&buffer->__spare1, sizeof(buffer->__spare1)) || - __clear_user(&buffer->__spare2, sizeof(buffer->__spare2))) - return -EFAULT; - - return 0; + struct statx tmp; + + memset(&tmp, 0, sizeof(tmp)); + + tmp.stx_mask = stat->result_mask; + tmp.stx_blksize = stat->blksize; + tmp.stx_attributes = stat->attributes; + tmp.stx_nlink = stat->nlink; + tmp.stx_uid = from_kuid_munged(current_user_ns(), stat->uid); + tmp.stx_gid = from_kgid_munged(current_user_ns(), stat->gid); + tmp.stx_mode = stat->mode; + tmp.stx_ino = stat->ino; + tmp.stx_size = stat->size; + tmp.stx_blocks = stat->blocks; + tmp.stx_attributes_mask = stat->attributes_mask; + tmp.stx_atime.tv_sec = stat->atime.tv_sec; + tmp.stx_atime.tv_nsec = stat->atime.tv_nsec; + tmp.stx_btime.tv_sec = stat->btime.tv_sec; + tmp.stx_btime.tv_nsec = stat->btime.tv_nsec; + tmp.stx_ctime.tv_sec = stat->ctime.tv_sec; + tmp.stx_ctime.tv_nsec = stat->ctime.tv_nsec; + tmp.stx_mtime.tv_sec = stat->mtime.tv_sec; + tmp.stx_mtime.tv_nsec = stat->mtime.tv_nsec; + tmp.stx_rdev_major = MAJOR(stat->rdev); + tmp.stx_rdev_minor = MINOR(stat->rdev); + tmp.stx_dev_major = MAJOR(stat->dev); + tmp.stx_dev_minor = MINOR(stat->dev); + + return copy_to_user(buffer, &tmp, sizeof(tmp)) ? -EFAULT : 0; } /** @@ -570,10 +563,10 @@ SYSCALL_DEFINE5(statx, struct kstat stat; int error; + if (mask & STATX__RESERVED) + return -EINVAL; if ((flags & AT_STATX_SYNC_TYPE) == AT_STATX_SYNC_TYPE) return -EINVAL; - if (!access_ok(VERIFY_WRITE, buffer, sizeof(*buffer))) - return -EFAULT; if (filename) error = vfs_statx(dfd, filename, flags, &stat, mask); @@ -581,7 +574,8 @@ SYSCALL_DEFINE5(statx, error = vfs_statx_fd(dfd, &stat, mask, flags); if (error) return error; - return statx_set_result(&stat, buffer); + + return cp_statx(&stat, buffer); } /* Caller is here responsible for sufficient locking (ie. inode->i_lock) */ diff --git a/fs/sysfs/file.c b/fs/sysfs/file.c index b803213..39c75a8 100644 --- a/fs/sysfs/file.c +++ b/fs/sysfs/file.c @@ -108,7 +108,7 @@ static ssize_t sysfs_kf_read(struct kernfs_open_file *of, char *buf, { const struct sysfs_ops *ops = sysfs_file_ops(of->kn); struct kobject *kobj = of->kn->parent->priv; - size_t len; + ssize_t len; /* * If buf != of->prealloc_buf, we don't know how @@ -117,13 +117,15 @@ static ssize_t sysfs_kf_read(struct kernfs_open_file *of, char *buf, if (WARN_ON_ONCE(buf != of->prealloc_buf)) return 0; len = ops->show(kobj, of->kn->priv, buf); + if (len < 0) + return len; if (pos) { if (len <= pos) return 0; len -= pos; memmove(buf, buf + pos, len); } - return min(count, len); + return min_t(ssize_t, count, len); } /* kernfs write callback for regular sysfs files */ diff --git a/fs/userfaultfd.c b/fs/userfaultfd.c index 1d227b0..f7555fc 100644 --- a/fs/userfaultfd.c +++ b/fs/userfaultfd.c @@ -1756,7 +1756,7 @@ static void userfaultfd_show_fdinfo(struct seq_file *m, struct file *f) * protocols: aa:... bb:... */ seq_printf(m, "pending:\t%lu\ntotal:\t%lu\nAPI:\t%Lx:%x:%Lx\n", - pending, total, UFFD_API, UFFD_API_FEATURES, + pending, total, UFFD_API, ctx->features, UFFD_API_IOCTLS|UFFD_API_RANGE_IOCTLS); } #endif diff --git a/fs/xfs/libxfs/xfs_dir2_priv.h b/fs/xfs/libxfs/xfs_dir2_priv.h index d04547f..39f8604 100644 --- a/fs/xfs/libxfs/xfs_dir2_priv.h +++ b/fs/xfs/libxfs/xfs_dir2_priv.h @@ -125,6 +125,7 @@ extern int xfs_dir2_sf_create(struct xfs_da_args *args, xfs_ino_t pino); extern int xfs_dir2_sf_lookup(struct xfs_da_args *args); extern int xfs_dir2_sf_removename(struct xfs_da_args *args); extern int xfs_dir2_sf_replace(struct xfs_da_args *args); +extern int xfs_dir2_sf_verify(struct xfs_inode *ip); /* xfs_dir2_readdir.c */ extern int xfs_readdir(struct xfs_inode *dp, struct dir_context *ctx, diff --git a/fs/xfs/libxfs/xfs_dir2_sf.c b/fs/xfs/libxfs/xfs_dir2_sf.c index c6809ff..e84af09 100644 --- a/fs/xfs/libxfs/xfs_dir2_sf.c +++ b/fs/xfs/libxfs/xfs_dir2_sf.c @@ -629,6 +629,112 @@ xfs_dir2_sf_check( } #endif /* DEBUG */ +/* Verify the consistency of an inline directory. */ +int +xfs_dir2_sf_verify( + struct xfs_inode *ip) +{ + struct xfs_mount *mp = ip->i_mount; + struct xfs_dir2_sf_hdr *sfp; + struct xfs_dir2_sf_entry *sfep; + struct xfs_dir2_sf_entry *next_sfep; + char *endp; + const struct xfs_dir_ops *dops; + struct xfs_ifork *ifp; + xfs_ino_t ino; + int i; + int i8count; + int offset; + int size; + int error; + __uint8_t filetype; + + ASSERT(ip->i_d.di_format == XFS_DINODE_FMT_LOCAL); + /* + * xfs_iread calls us before xfs_setup_inode sets up ip->d_ops, + * so we can only trust the mountpoint to have the right pointer. + */ + dops = xfs_dir_get_ops(mp, NULL); + + ifp = XFS_IFORK_PTR(ip, XFS_DATA_FORK); + sfp = (struct xfs_dir2_sf_hdr *)ifp->if_u1.if_data; + size = ifp->if_bytes; + + /* + * Give up if the directory is way too short. + */ + if (size <= offsetof(struct xfs_dir2_sf_hdr, parent) || + size < xfs_dir2_sf_hdr_size(sfp->i8count)) + return -EFSCORRUPTED; + + endp = (char *)sfp + size; + + /* Check .. entry */ + ino = dops->sf_get_parent_ino(sfp); + i8count = ino > XFS_DIR2_MAX_SHORT_INUM; + error = xfs_dir_ino_validate(mp, ino); + if (error) + return error; + offset = dops->data_first_offset; + + /* Check all reported entries */ + sfep = xfs_dir2_sf_firstentry(sfp); + for (i = 0; i < sfp->count; i++) { + /* + * struct xfs_dir2_sf_entry has a variable length. + * Check the fixed-offset parts of the structure are + * within the data buffer. + */ + if (((char *)sfep + sizeof(*sfep)) >= endp) + return -EFSCORRUPTED; + + /* Don't allow names with known bad length. */ + if (sfep->namelen == 0) + return -EFSCORRUPTED; + + /* + * Check that the variable-length part of the structure is + * within the data buffer. The next entry starts after the + * name component, so nextentry is an acceptable test. + */ + next_sfep = dops->sf_nextentry(sfp, sfep); + if (endp < (char *)next_sfep) + return -EFSCORRUPTED; + + /* Check that the offsets always increase. */ + if (xfs_dir2_sf_get_offset(sfep) < offset) + return -EFSCORRUPTED; + + /* Check the inode number. */ + ino = dops->sf_get_ino(sfp, sfep); + i8count += ino > XFS_DIR2_MAX_SHORT_INUM; + error = xfs_dir_ino_validate(mp, ino); + if (error) + return error; + + /* Check the file type. */ + filetype = dops->sf_get_ftype(sfep); + if (filetype >= XFS_DIR3_FT_MAX) + return -EFSCORRUPTED; + + offset = xfs_dir2_sf_get_offset(sfep) + + dops->data_entsize(sfep->namelen); + + sfep = next_sfep; + } + if (i8count != sfp->i8count) + return -EFSCORRUPTED; + if ((void *)sfep != (void *)endp) + return -EFSCORRUPTED; + + /* Make sure this whole thing ought to be in local format. */ + if (offset + (sfp->count + 2) * (uint)sizeof(xfs_dir2_leaf_entry_t) + + (uint)sizeof(xfs_dir2_block_tail_t) > mp->m_dir_geo->blksize) + return -EFSCORRUPTED; + + return 0; +} + /* * Create a new (shortform) directory. */ diff --git a/fs/xfs/libxfs/xfs_inode_fork.c b/fs/xfs/libxfs/xfs_inode_fork.c index 25c1e07..8a37efe 100644 --- a/fs/xfs/libxfs/xfs_inode_fork.c +++ b/fs/xfs/libxfs/xfs_inode_fork.c @@ -33,6 +33,8 @@ #include "xfs_trace.h" #include "xfs_attr_sf.h" #include "xfs_da_format.h" +#include "xfs_da_btree.h" +#include "xfs_dir2_priv.h" kmem_zone_t *xfs_ifork_zone; @@ -210,6 +212,16 @@ xfs_iformat_fork( if (error) return error; + /* Check inline dir contents. */ + if (S_ISDIR(VFS_I(ip)->i_mode) && + dip->di_format == XFS_DINODE_FMT_LOCAL) { + error = xfs_dir2_sf_verify(ip); + if (error) { + xfs_idestroy_fork(ip, XFS_DATA_FORK); + return error; + } + } + if (xfs_is_reflink_inode(ip)) { ASSERT(ip->i_cowfp == NULL); xfs_ifork_init_cow(ip); @@ -320,7 +332,6 @@ xfs_iformat_local( int whichfork, int size) { - /* * If the size is unreasonable, then something * is wrong and we just bail out rather than crash in diff --git a/fs/xfs/xfs_bmap_util.c b/fs/xfs/xfs_bmap_util.c index 8b75dce..828532c 100644 --- a/fs/xfs/xfs_bmap_util.c +++ b/fs/xfs/xfs_bmap_util.c @@ -1311,8 +1311,16 @@ xfs_free_file_space( /* * Now that we've unmap all full blocks we'll have to zero out any * partial block at the beginning and/or end. xfs_zero_range is - * smart enough to skip any holes, including those we just created. + * smart enough to skip any holes, including those we just created, + * but we must take care not to zero beyond EOF and enlarge i_size. */ + + if (offset >= XFS_ISIZE(ip)) + return 0; + + if (offset + len > XFS_ISIZE(ip)) + len = XFS_ISIZE(ip) - offset; + return xfs_zero_range(ip, offset, len, NULL); } diff --git a/fs/xfs/xfs_dir2_readdir.c b/fs/xfs/xfs_dir2_readdir.c index 003a99b..ad9396e 100644 --- a/fs/xfs/xfs_dir2_readdir.c +++ b/fs/xfs/xfs_dir2_readdir.c @@ -71,22 +71,11 @@ xfs_dir2_sf_getdents( struct xfs_da_geometry *geo = args->geo; ASSERT(dp->i_df.if_flags & XFS_IFINLINE); - /* - * Give up if the directory is way too short. - */ - if (dp->i_d.di_size < offsetof(xfs_dir2_sf_hdr_t, parent)) { - ASSERT(XFS_FORCED_SHUTDOWN(dp->i_mount)); - return -EIO; - } - ASSERT(dp->i_df.if_bytes == dp->i_d.di_size); ASSERT(dp->i_df.if_u1.if_data != NULL); sfp = (xfs_dir2_sf_hdr_t *)dp->i_df.if_u1.if_data; - if (dp->i_d.di_size < xfs_dir2_sf_hdr_size(sfp->i8count)) - return -EFSCORRUPTED; - /* * If the block number in the offset is out of range, we're done. */ diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c index 7eaf1ef..7605d83 100644 --- a/fs/xfs/xfs_inode.c +++ b/fs/xfs/xfs_inode.c @@ -50,6 +50,7 @@ #include "xfs_log.h" #include "xfs_bmap_btree.h" #include "xfs_reflink.h" +#include "xfs_dir2_priv.h" kmem_zone_t *xfs_inode_zone; @@ -3546,6 +3547,12 @@ xfs_iflush_int( if (ip->i_d.di_version < 3) ip->i_d.di_flushiter++; + /* Check the inline directory data. */ + if (S_ISDIR(VFS_I(ip)->i_mode) && + ip->i_d.di_format == XFS_DINODE_FMT_LOCAL && + xfs_dir2_sf_verify(ip)) + goto corrupt_out; + /* * Copy the dirty parts of the inode into the on-disk inode. We always * copy out the core of the inode, because if the inode is dirty at all diff --git a/fs/xfs/xfs_iops.c b/fs/xfs/xfs_iops.c index 229cc6a..ebfc133 100644 --- a/fs/xfs/xfs_iops.c +++ b/fs/xfs/xfs_iops.c @@ -516,6 +516,20 @@ xfs_vn_getattr( stat->blocks = XFS_FSB_TO_BB(mp, ip->i_d.di_nblocks + ip->i_delayed_blks); + if (ip->i_d.di_version == 3) { + if (request_mask & STATX_BTIME) { + stat->result_mask |= STATX_BTIME; + stat->btime.tv_sec = ip->i_d.di_crtime.t_sec; + stat->btime.tv_nsec = ip->i_d.di_crtime.t_nsec; + } + } + + if (ip->i_d.di_flags & XFS_DIFLAG_IMMUTABLE) + stat->attributes |= STATX_ATTR_IMMUTABLE; + if (ip->i_d.di_flags & XFS_DIFLAG_APPEND) + stat->attributes |= STATX_ATTR_APPEND; + if (ip->i_d.di_flags & XFS_DIFLAG_NODUMP) + stat->attributes |= STATX_ATTR_NODUMP; switch (inode->i_mode & S_IFMT) { case S_IFBLK: diff --git a/fs/xfs/xfs_itable.c b/fs/xfs/xfs_itable.c index 2a6d9b1..26d67ce 100644 --- a/fs/xfs/xfs_itable.c +++ b/fs/xfs/xfs_itable.c @@ -583,7 +583,7 @@ xfs_inumbers( return error; bcount = MIN(left, (int)(PAGE_SIZE / sizeof(*buffer))); - buffer = kmem_alloc(bcount * sizeof(*buffer), KM_SLEEP); + buffer = kmem_zalloc(bcount * sizeof(*buffer), KM_SLEEP); do { struct xfs_inobt_rec_incore r; int stat; diff --git a/include/asm-generic/sections.h b/include/asm-generic/sections.h index 4df64a1..532372c 100644 --- a/include/asm-generic/sections.h +++ b/include/asm-generic/sections.h @@ -14,8 +14,8 @@ * [_sdata, _edata]: contains .data.* sections, may also contain .rodata.* * and/or .init.* sections. * [__start_rodata, __end_rodata]: contains .rodata.* sections - * [__start_data_ro_after_init, __end_data_ro_after_init]: - * contains data.ro_after_init section + * [__start_ro_after_init, __end_ro_after_init]: + * contains .data..ro_after_init section * [__init_begin, __init_end]: contains .init.* sections, but .init.text.* * may be out of this range on some architectures. * [_sinittext, _einittext]: contains .init.text.* sections @@ -33,7 +33,7 @@ extern char _data[], _sdata[], _edata[]; extern char __bss_start[], __bss_stop[]; extern char __init_begin[], __init_end[]; extern char _sinittext[], _einittext[]; -extern char __start_data_ro_after_init[], __end_data_ro_after_init[]; +extern char __start_ro_after_init[], __end_ro_after_init[]; extern char _end[]; extern char __per_cpu_load[], __per_cpu_start[], __per_cpu_end[]; extern char __kprobes_text_start[], __kprobes_text_end[]; diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h index 0968d13..143db9c 100644 --- a/include/asm-generic/vmlinux.lds.h +++ b/include/asm-generic/vmlinux.lds.h @@ -173,6 +173,7 @@ KEEP(*(__##name##_of_table_end)) #define CLKSRC_OF_TABLES() OF_TABLE(CONFIG_CLKSRC_OF, clksrc) +#define CLKEVT_OF_TABLES() OF_TABLE(CONFIG_CLKEVT_OF, clkevt) #define IRQCHIP_OF_MATCH_TABLE() OF_TABLE(CONFIG_IRQCHIP, irqchip) #define CLK_OF_TABLES() OF_TABLE(CONFIG_COMMON_CLK, clk) #define IOMMU_OF_TABLES() OF_TABLE(CONFIG_OF_IOMMU, iommu) @@ -260,9 +261,9 @@ */ #ifndef RO_AFTER_INIT_DATA #define RO_AFTER_INIT_DATA \ - __start_data_ro_after_init = .; \ + VMLINUX_SYMBOL(__start_ro_after_init) = .; \ *(.data..ro_after_init) \ - __end_data_ro_after_init = .; + VMLINUX_SYMBOL(__end_ro_after_init) = .; #endif /* @@ -559,6 +560,7 @@ CLK_OF_TABLES() \ RESERVEDMEM_OF_TABLES() \ CLKSRC_OF_TABLES() \ + CLKEVT_OF_TABLES() \ IOMMU_OF_TABLES() \ CPU_METHOD_OF_TABLES() \ CPUIDLE_METHOD_OF_TABLES() \ diff --git a/include/crypto/if_alg.h b/include/crypto/if_alg.h index a2bfd78..e2b9c6f 100644 --- a/include/crypto/if_alg.h +++ b/include/crypto/if_alg.h @@ -73,7 +73,7 @@ int af_alg_unregister_type(const struct af_alg_type *type); int af_alg_release(struct socket *sock); void af_alg_release_parent(struct sock *sk); -int af_alg_accept(struct sock *sk, struct socket *newsock); +int af_alg_accept(struct sock *sk, struct socket *newsock, bool kern); int af_alg_make_sg(struct af_alg_sgl *sgl, struct iov_iter *iter, int len); void af_alg_free_sg(struct af_alg_sgl *sgl); diff --git a/include/drm/ttm/ttm_object.h b/include/drm/ttm/ttm_object.h index ed953f9..1487011 100644 --- a/include/drm/ttm/ttm_object.h +++ b/include/drm/ttm/ttm_object.h @@ -229,6 +229,8 @@ extern void ttm_base_object_unref(struct ttm_base_object **p_base); * @ref_type: The type of reference. * @existed: Upon completion, indicates that an identical reference object * already existed, and the refcount was upped on that object instead. + * @require_existed: Fail with -EPERM if an identical ref object didn't + * already exist. * * Checks that the base object is shareable and adds a ref object to it. * @@ -243,7 +245,8 @@ extern void ttm_base_object_unref(struct ttm_base_object **p_base); */ extern int ttm_ref_object_add(struct ttm_object_file *tfile, struct ttm_base_object *base, - enum ttm_ref_type ref_type, bool *existed); + enum ttm_ref_type ref_type, bool *existed, + bool require_existed); extern bool ttm_ref_object_exists(struct ttm_object_file *tfile, struct ttm_base_object *base); diff --git a/include/kvm/arm_vgic.h b/include/kvm/arm_vgic.h index b72dd2a..c0b3d99 100644 --- a/include/kvm/arm_vgic.h +++ b/include/kvm/arm_vgic.h @@ -295,6 +295,7 @@ void kvm_vgic_vcpu_early_init(struct kvm_vcpu *vcpu); void kvm_vgic_vcpu_destroy(struct kvm_vcpu *vcpu); int kvm_vgic_map_resources(struct kvm *kvm); int kvm_vgic_hyp_init(void); +void kvm_vgic_init_cpu_hardware(void); int kvm_vgic_inject_irq(struct kvm *kvm, int cpuid, unsigned int intid, bool level); diff --git a/include/linux/acpi.h b/include/linux/acpi.h index 673acda..9b05886 100644 --- a/include/linux/acpi.h +++ b/include/linux/acpi.h @@ -287,18 +287,15 @@ static inline bool invalid_phys_cpuid(phys_cpuid_t phys_id) } /* Validate the processor object's proc_id */ -bool acpi_processor_validate_proc_id(int proc_id); +bool acpi_duplicate_processor_id(int proc_id); #ifdef CONFIG_ACPI_HOTPLUG_CPU /* Arch dependent functions for cpu hotplug support */ int acpi_map_cpu(acpi_handle handle, phys_cpuid_t physid, u32 acpi_id, int *pcpu); int acpi_unmap_cpu(int cpu); -int acpi_map_cpu2node(acpi_handle handle, int cpu, int physid); #endif /* CONFIG_ACPI_HOTPLUG_CPU */ -void acpi_set_processor_mapping(void); - #ifdef CONFIG_ACPI_HOTPLUG_IOAPIC int acpi_get_ioapic_id(acpi_handle handle, u32 gsi_base, u64 *phys_addr); #endif diff --git a/include/linux/blk-mq.h b/include/linux/blk-mq.h index b296a90..9382c5d 100644 --- a/include/linux/blk-mq.h +++ b/include/linux/blk-mq.h @@ -51,6 +51,7 @@ struct blk_mq_hw_ctx { atomic_t nr_active; + struct delayed_work delayed_run_work; struct delayed_work delay_work; struct hlist_node cpuhp_dead; @@ -238,6 +239,7 @@ void blk_mq_stop_hw_queues(struct request_queue *q); void blk_mq_start_hw_queues(struct request_queue *q); void blk_mq_start_stopped_hw_queue(struct blk_mq_hw_ctx *hctx, bool async); void blk_mq_start_stopped_hw_queues(struct request_queue *q, bool async); +void blk_mq_delay_run_hw_queue(struct blk_mq_hw_ctx *hctx, unsigned long msecs); void blk_mq_run_hw_queues(struct request_queue *q, bool async); void blk_mq_delay_queue(struct blk_mq_hw_ctx *hctx, unsigned long msecs); void blk_mq_tagset_busy_iter(struct blk_mq_tag_set *tagset, diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 5a7da60..01a696b 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -610,7 +610,6 @@ struct request_queue { #define QUEUE_FLAG_FLUSH_NQ 25 /* flush not queueuable */ #define QUEUE_FLAG_DAX 26 /* device supports DAX */ #define QUEUE_FLAG_STATS 27 /* track rq completion times */ -#define QUEUE_FLAG_RESTART 28 /* queue needs restart at completion */ #define QUEUE_FLAG_DEFAULT ((1 << QUEUE_FLAG_IO_STAT) | \ (1 << QUEUE_FLAG_STACKABLE) | \ @@ -1673,12 +1672,36 @@ static inline bool bios_segs_mergeable(struct request_queue *q, return true; } -static inline bool bio_will_gap(struct request_queue *q, struct bio *prev, - struct bio *next) +static inline bool bio_will_gap(struct request_queue *q, + struct request *prev_rq, + struct bio *prev, + struct bio *next) { if (bio_has_data(prev) && queue_virt_boundary(q)) { struct bio_vec pb, nb; + /* + * don't merge if the 1st bio starts with non-zero + * offset, otherwise it is quite difficult to respect + * sg gap limit. We work hard to merge a huge number of small + * single bios in case of mkfs. + */ + if (prev_rq) + bio_get_first_bvec(prev_rq->bio, &pb); + else + bio_get_first_bvec(prev, &pb); + if (pb.bv_offset) + return true; + + /* + * We don't need to worry about the situation that the + * merged segment ends in unaligned virt boundary: + * + * - if 'pb' ends aligned, the merged segment ends aligned + * - if 'pb' ends unaligned, the next bio must include + * one single bvec of 'nb', otherwise the 'nb' can't + * merge with 'pb' + */ bio_get_last_bvec(prev, &pb); bio_get_first_bvec(next, &nb); @@ -1691,12 +1714,12 @@ static inline bool bio_will_gap(struct request_queue *q, struct bio *prev, static inline bool req_gap_back_merge(struct request *req, struct bio *bio) { - return bio_will_gap(req->q, req->biotail, bio); + return bio_will_gap(req->q, req, req->biotail, bio); } static inline bool req_gap_front_merge(struct request *req, struct bio *bio) { - return bio_will_gap(req->q, bio, req->bio); + return bio_will_gap(req->q, NULL, bio, req->bio); } int kblockd_schedule_work(struct work_struct *work); diff --git a/include/linux/ccp.h b/include/linux/ccp.h index c71dd8f..c41b8d99 100644 --- a/include/linux/ccp.h +++ b/include/linux/ccp.h @@ -556,7 +556,7 @@ enum ccp_engine { * struct ccp_cmd - CCP operation request * @entry: list element (ccp driver use only) * @work: work element used for callbacks (ccp driver use only) - * @ccp: CCP device to be run on (ccp driver use only) + * @ccp: CCP device to be run on * @ret: operation return code (ccp driver use only) * @flags: cmd processing flags * @engine: CCP operation to perform diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h index f6b43fb..af9c86e 100644 --- a/include/linux/cgroup.h +++ b/include/linux/cgroup.h @@ -570,6 +570,25 @@ static inline void pr_cont_cgroup_path(struct cgroup *cgrp) pr_cont_kernfs_path(cgrp->kn); } +static inline void cgroup_init_kthreadd(void) +{ + /* + * kthreadd is inherited by all kthreads, keep it in the root so + * that the new kthreads are guaranteed to stay in the root until + * initialization is finished. + */ + current->no_cgroup_migration = 1; +} + +static inline void cgroup_kthread_ready(void) +{ + /* + * This kthread finished initialization. The creator should have + * set PF_NO_SETAFFINITY if this kthread should stay in the root. + */ + current->no_cgroup_migration = 0; +} + #else /* !CONFIG_CGROUPS */ struct cgroup_subsys_state; @@ -590,6 +609,8 @@ static inline void cgroup_free(struct task_struct *p) {} static inline int cgroup_init_early(void) { return 0; } static inline int cgroup_init(void) { return 0; } +static inline void cgroup_init_kthreadd(void) {} +static inline void cgroup_kthread_ready(void) {} static inline bool task_under_cgroup_hierarchy(struct task_struct *task, struct cgroup *ancestor) diff --git a/include/linux/clockchips.h b/include/linux/clockchips.h index 5d3053c..6d7edc3 100644 --- a/include/linux/clockchips.h +++ b/include/linux/clockchips.h @@ -229,7 +229,7 @@ static inline void tick_setup_hrtimer_broadcast(void) { } #ifdef CONFIG_CLKEVT_PROBE extern int clockevent_probe(void); -#els +#else static inline int clockevent_probe(void) { return 0; } #endif diff --git a/include/linux/dccp.h b/include/linux/dccp.h index 61d042b..6844929 100644 --- a/include/linux/dccp.h +++ b/include/linux/dccp.h @@ -163,6 +163,7 @@ struct dccp_request_sock { __u64 dreq_isr; __u64 dreq_gsr; __be32 dreq_service; + spinlock_t dreq_lock; struct list_head dreq_featneg; __u32 dreq_timestamp_echo; __u32 dreq_timestamp_time; diff --git a/include/linux/device.h b/include/linux/device.h index 30c4570e..9ef518a 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -1140,7 +1140,6 @@ static inline bool device_supports_offline(struct device *dev) extern void lock_device_hotplug(void); extern void unlock_device_hotplug(void); extern int lock_device_hotplug_sysfs(void); -void assert_held_device_hotplug(void); extern int device_offline(struct device *dev); extern int device_online(struct device *dev); extern void set_primary_fwnode(struct device *dev, struct fwnode_handle *fwnode); diff --git a/include/linux/elevator.h b/include/linux/elevator.h index aebecc4..22d39e8 100644 --- a/include/linux/elevator.h +++ b/include/linux/elevator.h @@ -211,7 +211,7 @@ extern ssize_t elv_iosched_show(struct request_queue *, char *); extern ssize_t elv_iosched_store(struct request_queue *, const char *, size_t); extern int elevator_init(struct request_queue *, char *); -extern void elevator_exit(struct elevator_queue *); +extern void elevator_exit(struct request_queue *, struct elevator_queue *); extern int elevator_change(struct request_queue *, const char *); extern bool elv_bio_merge_ok(struct request *, struct bio *); extern struct elevator_queue *elevator_alloc(struct request_queue *, diff --git a/include/linux/errqueue.h b/include/linux/errqueue.h index 9ca23fc..6fdfc88 100644 --- a/include/linux/errqueue.h +++ b/include/linux/errqueue.h @@ -20,6 +20,8 @@ struct sock_exterr_skb { struct sock_extended_err ee; u16 addr_offset; __be16 port; + u8 opt_stats:1, + unused:7; }; #endif diff --git a/include/linux/filter.h b/include/linux/filter.h index 0c167fd..fbf7b39 100644 --- a/include/linux/filter.h +++ b/include/linux/filter.h @@ -409,6 +409,7 @@ struct bpf_prog { u16 pages; /* Number of allocated pages */ kmemcheck_bitfield_begin(meta); u16 jited:1, /* Is our filter JIT'ed? */ + locked:1, /* Program image locked? */ gpl_compatible:1, /* Is filter GPL compatible? */ cb_access:1, /* Is control block accessed? */ dst_needed:1, /* Do we need dst entry? */ @@ -554,22 +555,29 @@ static inline bool bpf_prog_was_classic(const struct bpf_prog *prog) #ifdef CONFIG_ARCH_HAS_SET_MEMORY static inline void bpf_prog_lock_ro(struct bpf_prog *fp) { - set_memory_ro((unsigned long)fp, fp->pages); + fp->locked = 1; + WARN_ON_ONCE(set_memory_ro((unsigned long)fp, fp->pages)); } static inline void bpf_prog_unlock_ro(struct bpf_prog *fp) { - set_memory_rw((unsigned long)fp, fp->pages); + if (fp->locked) { + WARN_ON_ONCE(set_memory_rw((unsigned long)fp, fp->pages)); + /* In case set_memory_rw() fails, we want to be the first + * to crash here instead of some random place later on. + */ + fp->locked = 0; + } } static inline void bpf_jit_binary_lock_ro(struct bpf_binary_header *hdr) { - set_memory_ro((unsigned long)hdr, hdr->pages); + WARN_ON_ONCE(set_memory_ro((unsigned long)hdr, hdr->pages)); } static inline void bpf_jit_binary_unlock_ro(struct bpf_binary_header *hdr) { - set_memory_rw((unsigned long)hdr, hdr->pages); + WARN_ON_ONCE(set_memory_rw((unsigned long)hdr, hdr->pages)); } #else static inline void bpf_prog_lock_ro(struct bpf_prog *fp) diff --git a/include/linux/fscrypt_common.h b/include/linux/fscrypt_common.h index 547f815..10c1abf 100644 --- a/include/linux/fscrypt_common.h +++ b/include/linux/fscrypt_common.h @@ -87,7 +87,6 @@ struct fscrypt_operations { unsigned int flags; const char *key_prefix; int (*get_context)(struct inode *, void *, size_t); - int (*prepare_context)(struct inode *); int (*set_context)(struct inode *, const void *, size_t, void *); int (*dummy_context)(struct inode *); bool (*is_encrypted)(struct inode *); diff --git a/include/linux/gpio/consumer.h b/include/linux/gpio/consumer.h index 2484b2f..933d936 100644 --- a/include/linux/gpio/consumer.h +++ b/include/linux/gpio/consumer.h @@ -143,15 +143,6 @@ struct gpio_desc *devm_fwnode_get_index_gpiod_from_child(struct device *dev, struct fwnode_handle *child, enum gpiod_flags flags, const char *label); -/* FIXME: delete this helper when users are switched over */ -static inline struct gpio_desc *devm_get_gpiod_from_child(struct device *dev, - const char *con_id, struct fwnode_handle *child) -{ - return devm_fwnode_get_index_gpiod_from_child(dev, con_id, - 0, child, - GPIOD_ASIS, - "?"); -} #else /* CONFIG_GPIOLIB */ @@ -444,13 +435,6 @@ struct gpio_desc *devm_fwnode_get_index_gpiod_from_child(struct device *dev, return ERR_PTR(-ENOSYS); } -/* FIXME: delete this when all users are switched over */ -static inline struct gpio_desc *devm_get_gpiod_from_child(struct device *dev, - const char *con_id, struct fwnode_handle *child) -{ - return ERR_PTR(-ENOSYS); -} - #endif /* CONFIG_GPIOLIB */ static inline diff --git a/include/linux/hwmon.h b/include/linux/hwmon.h index 78d59db..88b6737 100644 --- a/include/linux/hwmon.h +++ b/include/linux/hwmon.h @@ -88,6 +88,7 @@ enum hwmon_temp_attributes { #define HWMON_T_CRIT_HYST BIT(hwmon_temp_crit_hyst) #define HWMON_T_EMERGENCY BIT(hwmon_temp_emergency) #define HWMON_T_EMERGENCY_HYST BIT(hwmon_temp_emergency_hyst) +#define HWMON_T_ALARM BIT(hwmon_temp_alarm) #define HWMON_T_MIN_ALARM BIT(hwmon_temp_min_alarm) #define HWMON_T_MAX_ALARM BIT(hwmon_temp_max_alarm) #define HWMON_T_CRIT_ALARM BIT(hwmon_temp_crit_alarm) diff --git a/include/linux/hyperv.h b/include/linux/hyperv.h index 62bbf3c..970771a 100644 --- a/include/linux/hyperv.h +++ b/include/linux/hyperv.h @@ -845,6 +845,13 @@ struct vmbus_channel { * link up channels based on their CPU affinity. */ struct list_head percpu_list; + + /* + * Defer freeing channel until after all cpu's have + * gone through grace period. + */ + struct rcu_head rcu; + /* * For performance critical channels (storage, networking * etc,), Hyper-V has a mechanism to enhance the throughput @@ -1430,9 +1437,6 @@ extern bool vmbus_prep_negotiate_resp(struct icmsg_hdr *icmsghdrp, u8 *buf, const int *srv_version, int srv_vercnt, int *nego_fw_version, int *nego_srv_version); -void hv_event_tasklet_disable(struct vmbus_channel *channel); -void hv_event_tasklet_enable(struct vmbus_channel *channel); - void hv_process_channel_removal(struct vmbus_channel *channel, u32 relid); void vmbus_setevent(struct vmbus_channel *channel); diff --git a/include/linux/iio/sw_device.h b/include/linux/iio/sw_device.h index 23ca415..fa79319 100644 --- a/include/linux/iio/sw_device.h +++ b/include/linux/iio/sw_device.h @@ -62,7 +62,7 @@ void iio_swd_group_init_type_name(struct iio_sw_device *d, const char *name, struct config_item_type *type) { -#ifdef CONFIG_CONFIGFS_FS +#if IS_ENABLED(CONFIG_CONFIGFS_FS) config_group_init_type_name(&d->group, name, type); #endif } diff --git a/include/linux/iommu.h b/include/linux/iommu.h index 6a6de18..2e4de0d 100644 --- a/include/linux/iommu.h +++ b/include/linux/iommu.h @@ -125,9 +125,16 @@ enum iommu_attr { }; /* These are the possible reserved region types */ -#define IOMMU_RESV_DIRECT (1 << 0) -#define IOMMU_RESV_RESERVED (1 << 1) -#define IOMMU_RESV_MSI (1 << 2) +enum iommu_resv_type { + /* Memory regions which must be mapped 1:1 at all times */ + IOMMU_RESV_DIRECT, + /* Arbitrary "never map this or give it to a device" address ranges */ + IOMMU_RESV_RESERVED, + /* Hardware MSI region (untranslated) */ + IOMMU_RESV_MSI, + /* Software-managed MSI translation window */ + IOMMU_RESV_SW_MSI, +}; /** * struct iommu_resv_region - descriptor for a reserved memory region @@ -142,7 +149,7 @@ struct iommu_resv_region { phys_addr_t start; size_t length; int prot; - int type; + enum iommu_resv_type type; }; #ifdef CONFIG_IOMMU_API @@ -288,7 +295,8 @@ extern void iommu_get_resv_regions(struct device *dev, struct list_head *list); extern void iommu_put_resv_regions(struct device *dev, struct list_head *list); extern int iommu_request_dm_for_dev(struct device *dev); extern struct iommu_resv_region * -iommu_alloc_resv_region(phys_addr_t start, size_t length, int prot, int type); +iommu_alloc_resv_region(phys_addr_t start, size_t length, int prot, + enum iommu_resv_type type); extern int iommu_get_group_resv_regions(struct iommu_group *group, struct list_head *head); diff --git a/include/linux/irqchip/arm-gic.h b/include/linux/irqchip/arm-gic.h index eafc965..dc30f3d 100644 --- a/include/linux/irqchip/arm-gic.h +++ b/include/linux/irqchip/arm-gic.h @@ -96,6 +96,9 @@ #define GICH_MISR_EOI (1 << 0) #define GICH_MISR_U (1 << 1) +#define GICV_PMR_PRIORITY_SHIFT 3 +#define GICV_PMR_PRIORITY_MASK (0x1f << GICV_PMR_PRIORITY_SHIFT) + #ifndef __ASSEMBLY__ #include <linux/irqdomain.h> diff --git a/include/linux/kasan.h b/include/linux/kasan.h index 1c823be..a5c7046 100644 --- a/include/linux/kasan.h +++ b/include/linux/kasan.h @@ -6,6 +6,7 @@ struct kmem_cache; struct page; struct vm_struct; +struct task_struct; #ifdef CONFIG_KASAN @@ -75,6 +76,9 @@ size_t ksize(const void *); static inline void kasan_unpoison_slab(const void *ptr) { ksize(ptr); } size_t kasan_metadata_size(struct kmem_cache *cache); +bool kasan_save_enable_multi_shot(void); +void kasan_restore_multi_shot(bool enabled); + #else /* CONFIG_KASAN */ static inline void kasan_unpoison_shadow(const void *address, size_t size) {} diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h index 2c14ad9..d025074 100644 --- a/include/linux/kvm_host.h +++ b/include/linux/kvm_host.h @@ -162,8 +162,8 @@ int kvm_io_bus_read(struct kvm_vcpu *vcpu, enum kvm_bus bus_idx, gpa_t addr, int len, void *val); int kvm_io_bus_register_dev(struct kvm *kvm, enum kvm_bus bus_idx, gpa_t addr, int len, struct kvm_io_device *dev); -int kvm_io_bus_unregister_dev(struct kvm *kvm, enum kvm_bus bus_idx, - struct kvm_io_device *dev); +void kvm_io_bus_unregister_dev(struct kvm *kvm, enum kvm_bus bus_idx, + struct kvm_io_device *dev); struct kvm_io_device *kvm_io_bus_get_dev(struct kvm *kvm, enum kvm_bus bus_idx, gpa_t addr); diff --git a/include/linux/list_nulls.h b/include/linux/list_nulls.h index b01fe10..87ff4f5 100644 --- a/include/linux/list_nulls.h +++ b/include/linux/list_nulls.h @@ -29,6 +29,11 @@ struct hlist_nulls_node { ((ptr)->first = (struct hlist_nulls_node *) NULLS_MARKER(nulls)) #define hlist_nulls_entry(ptr, type, member) container_of(ptr,type,member) + +#define hlist_nulls_entry_safe(ptr, type, member) \ + ({ typeof(ptr) ____ptr = (ptr); \ + !is_a_nulls(____ptr) ? hlist_nulls_entry(____ptr, type, member) : NULL; \ + }) /** * ptr_is_a_nulls - Test if a ptr is a nulls * @ptr: ptr to be tested diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h index 5af3773..bb7250c 100644 --- a/include/linux/memcontrol.h +++ b/include/linux/memcontrol.h @@ -740,6 +740,12 @@ static inline bool mem_cgroup_oom_synchronize(bool wait) return false; } +static inline void mem_cgroup_update_page_stat(struct page *page, + enum mem_cgroup_stat_index idx, + int nr) +{ +} + static inline void mem_cgroup_inc_page_stat(struct page *page, enum mem_cgroup_stat_index idx) { diff --git a/include/linux/mfd/cros_ec.h b/include/linux/mfd/cros_ec.h index 7a01c94..3eef9fb 100644 --- a/include/linux/mfd/cros_ec.h +++ b/include/linux/mfd/cros_ec.h @@ -35,10 +35,11 @@ * Max bus-specific overhead incurred by request/responses. * I2C requires 1 additional byte for requests. * I2C requires 2 additional bytes for responses. + * SPI requires up to 32 additional bytes for responses. * */ #define EC_PROTO_VERSION_UNKNOWN 0 #define EC_MAX_REQUEST_OVERHEAD 1 -#define EC_MAX_RESPONSE_OVERHEAD 2 +#define EC_MAX_RESPONSE_OVERHEAD 32 /* * Command interface between EC and AP, for LPC, I2C and SPI interfaces. diff --git a/include/linux/mlx4/device.h b/include/linux/mlx4/device.h index 7e66e4f..1beb1ec 100644 --- a/include/linux/mlx4/device.h +++ b/include/linux/mlx4/device.h @@ -476,6 +476,7 @@ enum { enum { MLX4_INTERFACE_STATE_UP = 1 << 0, MLX4_INTERFACE_STATE_DELETION = 1 << 1, + MLX4_INTERFACE_STATE_NOWAIT = 1 << 2, }; #define MSTR_SM_CHANGE_MASK (MLX4_EQ_PORT_INFO_MSTR_SM_SL_CHANGE_MASK | \ diff --git a/include/linux/mm.h b/include/linux/mm.h index 5f01c88..00a8fa7 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -32,6 +32,8 @@ struct user_struct; struct writeback_control; struct bdi_writeback; +void init_mm_internals(void); + #ifndef CONFIG_NEED_MULTIPLE_NODES /* Don't use mapnrs, do it properly */ extern unsigned long max_mapnr; diff --git a/include/linux/mmu_notifier.h b/include/linux/mmu_notifier.h index 51891fb..c91b3bc 100644 --- a/include/linux/mmu_notifier.h +++ b/include/linux/mmu_notifier.h @@ -394,18 +394,6 @@ static inline void mmu_notifier_mm_destroy(struct mm_struct *mm) ___pud; \ }) -#define pmdp_huge_get_and_clear_notify(__mm, __haddr, __pmd) \ -({ \ - unsigned long ___haddr = __haddr & HPAGE_PMD_MASK; \ - pmd_t ___pmd; \ - \ - ___pmd = pmdp_huge_get_and_clear(__mm, __haddr, __pmd); \ - mmu_notifier_invalidate_range(__mm, ___haddr, \ - ___haddr + HPAGE_PMD_SIZE); \ - \ - ___pmd; \ -}) - /* * set_pte_at_notify() sets the pte _after_ running the notifier. * This is safe to start by updating the secondary MMUs, because the primary MMU @@ -489,7 +477,6 @@ static inline void mmu_notifier_mm_destroy(struct mm_struct *mm) #define ptep_clear_flush_notify ptep_clear_flush #define pmdp_huge_clear_flush_notify pmdp_huge_clear_flush #define pudp_huge_clear_flush_notify pudp_huge_clear_flush -#define pmdp_huge_get_and_clear_notify pmdp_huge_get_and_clear #define set_pte_at_notify set_pte_at #endif /* CONFIG_MMU_NOTIFIER */ diff --git a/include/linux/net.h b/include/linux/net.h index cd0c8bd..0620f5e 100644 --- a/include/linux/net.h +++ b/include/linux/net.h @@ -146,7 +146,7 @@ struct proto_ops { int (*socketpair)(struct socket *sock1, struct socket *sock2); int (*accept) (struct socket *sock, - struct socket *newsock, int flags); + struct socket *newsock, int flags, bool kern); int (*getname) (struct socket *sock, struct sockaddr *addr, int *sockaddr_len, int peer); diff --git a/include/linux/nvme.h b/include/linux/nvme.h index c43d435..9061780 100644 --- a/include/linux/nvme.h +++ b/include/linux/nvme.h @@ -64,26 +64,26 @@ enum { * RDMA_QPTYPE field */ enum { - NVMF_RDMA_QPTYPE_CONNECTED = 0, /* Reliable Connected */ - NVMF_RDMA_QPTYPE_DATAGRAM = 1, /* Reliable Datagram */ + NVMF_RDMA_QPTYPE_CONNECTED = 1, /* Reliable Connected */ + NVMF_RDMA_QPTYPE_DATAGRAM = 2, /* Reliable Datagram */ }; /* RDMA QP Service Type codes for Discovery Log Page entry TSAS * RDMA_QPTYPE field */ enum { - NVMF_RDMA_PRTYPE_NOT_SPECIFIED = 0, /* No Provider Specified */ - NVMF_RDMA_PRTYPE_IB = 1, /* InfiniBand */ - NVMF_RDMA_PRTYPE_ROCE = 2, /* InfiniBand RoCE */ - NVMF_RDMA_PRTYPE_ROCEV2 = 3, /* InfiniBand RoCEV2 */ - NVMF_RDMA_PRTYPE_IWARP = 4, /* IWARP */ + NVMF_RDMA_PRTYPE_NOT_SPECIFIED = 1, /* No Provider Specified */ + NVMF_RDMA_PRTYPE_IB = 2, /* InfiniBand */ + NVMF_RDMA_PRTYPE_ROCE = 3, /* InfiniBand RoCE */ + NVMF_RDMA_PRTYPE_ROCEV2 = 4, /* InfiniBand RoCEV2 */ + NVMF_RDMA_PRTYPE_IWARP = 5, /* IWARP */ }; /* RDMA Connection Management Service Type codes for Discovery Log Page * entry TSAS RDMA_CMS field */ enum { - NVMF_RDMA_CMS_RDMA_CM = 0, /* Sockets based enpoint addressing */ + NVMF_RDMA_CMS_RDMA_CM = 1, /* Sockets based endpoint addressing */ }; #define NVMF_AQ_DEPTH 32 diff --git a/include/linux/phy.h b/include/linux/phy.h index 7724760..43a7748 100644 --- a/include/linux/phy.h +++ b/include/linux/phy.h @@ -837,6 +837,10 @@ int genphy_read_status(struct phy_device *phydev); int genphy_suspend(struct phy_device *phydev); int genphy_resume(struct phy_device *phydev); int genphy_soft_reset(struct phy_device *phydev); +static inline int genphy_no_soft_reset(struct phy_device *phydev) +{ + return 0; +} void phy_driver_unregister(struct phy_driver *drv); void phy_drivers_unregister(struct phy_driver *drv, int n); int phy_driver_register(struct phy_driver *new_driver, struct module *owner); diff --git a/include/linux/pinctrl/pinctrl.h b/include/linux/pinctrl/pinctrl.h index 8ce2d87..5e45385 100644 --- a/include/linux/pinctrl/pinctrl.h +++ b/include/linux/pinctrl/pinctrl.h @@ -145,8 +145,9 @@ struct pinctrl_desc { extern int pinctrl_register_and_init(struct pinctrl_desc *pctldesc, struct device *dev, void *driver_data, struct pinctrl_dev **pctldev); +extern int pinctrl_enable(struct pinctrl_dev *pctldev); -/* Please use pinctrl_register_and_init() instead */ +/* Please use pinctrl_register_and_init() and pinctrl_enable() instead */ extern struct pinctrl_dev *pinctrl_register(struct pinctrl_desc *pctldesc, struct device *dev, void *driver_data); diff --git a/include/linux/rculist_nulls.h b/include/linux/rculist_nulls.h index 4ae95f7..a23a331 100644 --- a/include/linux/rculist_nulls.h +++ b/include/linux/rculist_nulls.h @@ -156,5 +156,19 @@ static inline void hlist_nulls_add_tail_rcu(struct hlist_nulls_node *n, ({ tpos = hlist_nulls_entry(pos, typeof(*tpos), member); 1; }); \ pos = rcu_dereference_raw(hlist_nulls_next_rcu(pos))) +/** + * hlist_nulls_for_each_entry_safe - + * iterate over list of given type safe against removal of list entry + * @tpos: the type * to use as a loop cursor. + * @pos: the &struct hlist_nulls_node to use as a loop cursor. + * @head: the head for your list. + * @member: the name of the hlist_nulls_node within the struct. + */ +#define hlist_nulls_for_each_entry_safe(tpos, pos, head, member) \ + for (({barrier();}), \ + pos = rcu_dereference_raw(hlist_nulls_first_rcu(head)); \ + (!is_a_nulls(pos)) && \ + ({ tpos = hlist_nulls_entry(pos, typeof(*tpos), member); \ + pos = rcu_dereference_raw(hlist_nulls_next_rcu(pos)); 1; });) #endif #endif diff --git a/include/linux/sched.h b/include/linux/sched.h index d67eee8..4cf9a59 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -604,6 +604,10 @@ struct task_struct { #ifdef CONFIG_COMPAT_BRK unsigned brk_randomized:1; #endif +#ifdef CONFIG_CGROUPS + /* disallow userland-initiated cgroup migration */ + unsigned no_cgroup_migration:1; +#endif unsigned long atomic_flags; /* Flags requiring atomic access. */ diff --git a/include/linux/sched/clock.h b/include/linux/sched/clock.h index 4a68c67..34fe92c 100644 --- a/include/linux/sched/clock.h +++ b/include/linux/sched/clock.h @@ -54,15 +54,16 @@ static inline u64 local_clock(void) } #else extern void sched_clock_init_late(void); -/* - * Architectures can set this to 1 if they have specified - * CONFIG_HAVE_UNSTABLE_SCHED_CLOCK in their arch Kconfig, - * but then during bootup it turns out that sched_clock() - * is reliable after all: - */ extern int sched_clock_stable(void); extern void clear_sched_clock_stable(void); +/* + * When sched_clock_stable(), __sched_clock_offset provides the offset + * between local_clock() and sched_clock(). + */ +extern u64 __sched_clock_offset; + + extern void sched_clock_tick(void); extern void sched_clock_idle_sleep_event(void); extern void sched_clock_idle_wakeup_event(u64 delta_ns); diff --git a/include/linux/stat.h b/include/linux/stat.h index c76e524..64b6b3a 100644 --- a/include/linux/stat.h +++ b/include/linux/stat.h @@ -26,6 +26,7 @@ struct kstat { unsigned int nlink; uint32_t blksize; /* Preferred I/O size */ u64 attributes; + u64 attributes_mask; #define KSTAT_ATTR_FS_IOC_FLAGS \ (STATX_ATTR_COMPRESSED | \ STATX_ATTR_IMMUTABLE | \ diff --git a/include/linux/uio.h b/include/linux/uio.h index 804e34c..f2d36a3 100644 --- a/include/linux/uio.h +++ b/include/linux/uio.h @@ -39,7 +39,10 @@ struct iov_iter { }; union { unsigned long nr_segs; - int idx; + struct { + int idx; + int start_idx; + }; }; }; @@ -81,6 +84,7 @@ unsigned long iov_shorten(struct iovec *iov, unsigned long nr_segs, size_t to); size_t iov_iter_copy_from_user_atomic(struct page *page, struct iov_iter *i, unsigned long offset, size_t bytes); void iov_iter_advance(struct iov_iter *i, size_t bytes); +void iov_iter_revert(struct iov_iter *i, size_t bytes); int iov_iter_fault_in_readable(struct iov_iter *i, size_t bytes); size_t iov_iter_single_seg_count(const struct iov_iter *i); size_t copy_page_to_iter(struct page *page, size_t offset, size_t bytes, diff --git a/include/linux/usb/quirks.h b/include/linux/usb/quirks.h index 1d0043d..de2a722 100644 --- a/include/linux/usb/quirks.h +++ b/include/linux/usb/quirks.h @@ -50,4 +50,10 @@ /* device can't handle Link Power Management */ #define USB_QUIRK_NO_LPM BIT(10) +/* + * Device reports its bInterval as linear frames instead of the + * USB 2.0 calculation. + */ +#define USB_QUIRK_LINEAR_FRAME_INTR_BINTERVAL BIT(11) + #endif /* __LINUX_USB_QUIRKS_H */ diff --git a/include/linux/virtio.h b/include/linux/virtio.h index 04b0d3f..7edfbdb 100644 --- a/include/linux/virtio.h +++ b/include/linux/virtio.h @@ -167,6 +167,7 @@ struct virtio_driver { unsigned int feature_table_size; const unsigned int *feature_table_legacy; unsigned int feature_table_size_legacy; + int (*validate)(struct virtio_device *dev); int (*probe)(struct virtio_device *dev); void (*scan)(struct virtio_device *dev); void (*remove)(struct virtio_device *dev); diff --git a/include/linux/virtio_vsock.h b/include/linux/virtio_vsock.h index 9638bfe..584f9a6 100644 --- a/include/linux/virtio_vsock.h +++ b/include/linux/virtio_vsock.h @@ -48,6 +48,8 @@ struct virtio_vsock_pkt { struct virtio_vsock_hdr hdr; struct work_struct work; struct list_head list; + /* socket refcnt not held, only use for cancellation */ + struct vsock_sock *vsk; void *buf; u32 len; u32 off; @@ -56,6 +58,7 @@ struct virtio_vsock_pkt { struct virtio_vsock_pkt_info { u32 remote_cid, remote_port; + struct vsock_sock *vsk; struct msghdr *msg; u32 pkt_len; u16 type; diff --git a/include/net/af_vsock.h b/include/net/af_vsock.h index f275896..f32ed9a 100644 --- a/include/net/af_vsock.h +++ b/include/net/af_vsock.h @@ -100,6 +100,9 @@ struct vsock_transport { void (*destruct)(struct vsock_sock *); void (*release)(struct vsock_sock *); + /* Cancel all pending packets sent on vsock. */ + int (*cancel_pkt)(struct vsock_sock *vsk); + /* Connections. */ int (*connect)(struct vsock_sock *); diff --git a/include/net/inet_common.h b/include/net/inet_common.h index b7952d5..f39ae69 100644 --- a/include/net/inet_common.h +++ b/include/net/inet_common.h @@ -20,7 +20,8 @@ int __inet_stream_connect(struct socket *sock, struct sockaddr *uaddr, int addr_len, int flags, int is_sendmsg); int inet_dgram_connect(struct socket *sock, struct sockaddr *uaddr, int addr_len, int flags); -int inet_accept(struct socket *sock, struct socket *newsock, int flags); +int inet_accept(struct socket *sock, struct socket *newsock, int flags, + bool kern); int inet_sendmsg(struct socket *sock, struct msghdr *msg, size_t size); ssize_t inet_sendpage(struct socket *sock, struct page *page, int offset, size_t size, int flags); diff --git a/include/net/inet_connection_sock.h b/include/net/inet_connection_sock.h index 826f198..c7a5779 100644 --- a/include/net/inet_connection_sock.h +++ b/include/net/inet_connection_sock.h @@ -258,7 +258,7 @@ inet_csk_rto_backoff(const struct inet_connection_sock *icsk, return (unsigned long)min_t(u64, when, max_when); } -struct sock *inet_csk_accept(struct sock *sk, int flags, int *err); +struct sock *inet_csk_accept(struct sock *sk, int flags, int *err, bool kern); int inet_csk_get_port(struct sock *sk, unsigned short snum); diff --git a/include/net/netfilter/nf_conntrack.h b/include/net/netfilter/nf_conntrack.h index f540f9a..1960587 100644 --- a/include/net/netfilter/nf_conntrack.h +++ b/include/net/netfilter/nf_conntrack.h @@ -244,7 +244,7 @@ extern s32 (*nf_ct_nat_offset)(const struct nf_conn *ct, u32 seq); /* Fake conntrack entry for untracked connections */ -DECLARE_PER_CPU(struct nf_conn, nf_conntrack_untracked); +DECLARE_PER_CPU_ALIGNED(struct nf_conn, nf_conntrack_untracked); static inline struct nf_conn *nf_ct_untracked_get(void) { return raw_cpu_ptr(&nf_conntrack_untracked); diff --git a/include/net/netfilter/nf_tables.h b/include/net/netfilter/nf_tables.h index 2aa8a9d..01360286 100644 --- a/include/net/netfilter/nf_tables.h +++ b/include/net/netfilter/nf_tables.h @@ -103,6 +103,35 @@ struct nft_regs { }; }; +/* Store/load an u16 or u8 integer to/from the u32 data register. + * + * Note, when using concatenations, register allocation happens at 32-bit + * level. So for store instruction, pad the rest part with zero to avoid + * garbage values. + */ + +static inline void nft_reg_store16(u32 *dreg, u16 val) +{ + *dreg = 0; + *(u16 *)dreg = val; +} + +static inline void nft_reg_store8(u32 *dreg, u8 val) +{ + *dreg = 0; + *(u8 *)dreg = val; +} + +static inline u16 nft_reg_load16(u32 *sreg) +{ + return *(u16 *)sreg; +} + +static inline u8 nft_reg_load8(u32 *sreg) +{ + return *(u8 *)sreg; +} + static inline void nft_data_copy(u32 *dst, const struct nft_data *src, unsigned int len) { @@ -203,7 +232,6 @@ struct nft_set_elem { struct nft_set; struct nft_set_iter { u8 genmask; - bool flush; unsigned int count; unsigned int skip; int err; diff --git a/include/net/netfilter/nf_tables_ipv6.h b/include/net/netfilter/nf_tables_ipv6.h index d150b50..97983d1 100644 --- a/include/net/netfilter/nf_tables_ipv6.h +++ b/include/net/netfilter/nf_tables_ipv6.h @@ -9,12 +9,13 @@ nft_set_pktinfo_ipv6(struct nft_pktinfo *pkt, struct sk_buff *skb, const struct nf_hook_state *state) { + unsigned int flags = IP6_FH_F_AUTH; int protohdr, thoff = 0; unsigned short frag_off; nft_set_pktinfo(pkt, skb, state); - protohdr = ipv6_find_hdr(pkt->skb, &thoff, -1, &frag_off, NULL); + protohdr = ipv6_find_hdr(pkt->skb, &thoff, -1, &frag_off, &flags); if (protohdr < 0) { nft_set_pktinfo_proto_unspec(pkt, skb); return; @@ -32,6 +33,7 @@ __nft_set_pktinfo_ipv6_validate(struct nft_pktinfo *pkt, const struct nf_hook_state *state) { #if IS_ENABLED(CONFIG_IPV6) + unsigned int flags = IP6_FH_F_AUTH; struct ipv6hdr *ip6h, _ip6h; unsigned int thoff = 0; unsigned short frag_off; @@ -50,7 +52,7 @@ __nft_set_pktinfo_ipv6_validate(struct nft_pktinfo *pkt, if (pkt_len + sizeof(*ip6h) > skb->len) return -1; - protohdr = ipv6_find_hdr(pkt->skb, &thoff, -1, &frag_off, NULL); + protohdr = ipv6_find_hdr(pkt->skb, &thoff, -1, &frag_off, &flags); if (protohdr < 0) return -1; diff --git a/include/net/sctp/sctp.h b/include/net/sctp/sctp.h index 1f71ee5..069582e 100644 --- a/include/net/sctp/sctp.h +++ b/include/net/sctp/sctp.h @@ -448,10 +448,9 @@ static inline int sctp_frag_point(const struct sctp_association *asoc, int pmtu) return frag; } -static inline void sctp_assoc_pending_pmtu(struct sock *sk, struct sctp_association *asoc) +static inline void sctp_assoc_pending_pmtu(struct sctp_association *asoc) { - - sctp_assoc_sync_pmtu(sk, asoc); + sctp_assoc_sync_pmtu(asoc); asoc->pmtu_pending = 0; } @@ -596,12 +595,23 @@ static inline void sctp_v4_map_v6(union sctp_addr *addr) */ static inline struct dst_entry *sctp_transport_dst_check(struct sctp_transport *t) { - if (t->dst && (!dst_check(t->dst, t->dst_cookie) || - t->pathmtu != max_t(size_t, SCTP_TRUNC4(dst_mtu(t->dst)), - SCTP_DEFAULT_MINSEGMENT))) + if (t->dst && !dst_check(t->dst, t->dst_cookie)) sctp_transport_dst_release(t); return t->dst; } +static inline bool sctp_transport_pmtu_check(struct sctp_transport *t) +{ + __u32 pmtu = max_t(size_t, SCTP_TRUNC4(dst_mtu(t->dst)), + SCTP_DEFAULT_MINSEGMENT); + + if (t->pathmtu == pmtu) + return true; + + t->pathmtu = pmtu; + + return false; +} + #endif /* __net_sctp_h__ */ diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h index a244db5..138f861 100644 --- a/include/net/sctp/structs.h +++ b/include/net/sctp/structs.h @@ -83,6 +83,7 @@ struct sctp_bind_addr; struct sctp_ulpq; struct sctp_ep_common; struct crypto_shash; +struct sctp_stream; #include <net/sctp/tsnmap.h> @@ -376,7 +377,8 @@ typedef struct sctp_sender_hb_info { __u64 hb_nonce; } sctp_sender_hb_info_t; -struct sctp_stream *sctp_stream_new(__u16 incnt, __u16 outcnt, gfp_t gfp); +int sctp_stream_new(struct sctp_association *asoc, gfp_t gfp); +int sctp_stream_init(struct sctp_association *asoc, gfp_t gfp); void sctp_stream_free(struct sctp_stream *stream); void sctp_stream_clear(struct sctp_stream *stream); @@ -476,7 +478,8 @@ struct sctp_pf { int (*send_verify) (struct sctp_sock *, union sctp_addr *); int (*supported_addrs)(const struct sctp_sock *, __be16 *); struct sock *(*create_accept_sk) (struct sock *sk, - struct sctp_association *asoc); + struct sctp_association *asoc, + bool kern); int (*addr_to_user)(struct sctp_sock *sk, union sctp_addr *addr); void (*to_sk_saddr)(union sctp_addr *, struct sock *sk); void (*to_sk_daddr)(union sctp_addr *, struct sock *sk); @@ -497,7 +500,6 @@ struct sctp_datamsg { /* Did the messenge fail to send? */ int send_error; u8 send_failed:1, - force_delay:1, can_delay; /* should this message be Nagle delayed */ }; @@ -752,6 +754,8 @@ struct sctp_transport { /* Is the Path MTU update pending on this tranport */ pmtu_pending:1, + dst_pending_confirm:1, /* need to confirm neighbour */ + /* Has this transport moved the ctsn since we last sacked */ sack_generation:1; u32 dst_cookie; @@ -805,8 +809,6 @@ struct sctp_transport { __u32 burst_limited; /* Holds old cwnd when max.burst is applied */ - __u32 dst_pending_confirm; /* need to confirm neighbour */ - /* Destination */ struct dst_entry *dst; /* Source address. */ @@ -950,8 +952,8 @@ void sctp_transport_lower_cwnd(struct sctp_transport *, sctp_lower_cwnd_t); void sctp_transport_burst_limited(struct sctp_transport *); void sctp_transport_burst_reset(struct sctp_transport *); unsigned long sctp_transport_timeout(struct sctp_transport *); -void sctp_transport_reset(struct sctp_transport *); -void sctp_transport_update_pmtu(struct sock *, struct sctp_transport *, u32); +void sctp_transport_reset(struct sctp_transport *t); +void sctp_transport_update_pmtu(struct sctp_transport *t, u32 pmtu); void sctp_transport_immediate_rtx(struct sctp_transport *); void sctp_transport_dst_release(struct sctp_transport *t); void sctp_transport_dst_confirm(struct sctp_transport *t); @@ -1876,6 +1878,7 @@ struct sctp_association { __u8 need_ecne:1, /* Need to send an ECNE Chunk? */ temp:1, /* Is it a temporary association? */ + force_delay:1, prsctp_enable:1, reconf_enable:1; @@ -1951,7 +1954,7 @@ void sctp_assoc_update(struct sctp_association *old, __u32 sctp_association_get_next_tsn(struct sctp_association *); -void sctp_assoc_sync_pmtu(struct sock *, struct sctp_association *); +void sctp_assoc_sync_pmtu(struct sctp_association *asoc); void sctp_assoc_rwnd_increase(struct sctp_association *, unsigned int); void sctp_assoc_rwnd_decrease(struct sctp_association *, unsigned int); void sctp_assoc_set_primary(struct sctp_association *, diff --git a/include/net/sock.h b/include/net/sock.h index 5e59976..03252d5 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -236,6 +236,7 @@ struct sock_common { * @sk_shutdown: mask of %SEND_SHUTDOWN and/or %RCV_SHUTDOWN * @sk_userlocks: %SO_SNDBUF and %SO_RCVBUF settings * @sk_lock: synchronizer + * @sk_kern_sock: True if sock is using kernel lock classes * @sk_rcvbuf: size of receive buffer in bytes * @sk_wq: sock wait queue and async head * @sk_rx_dst: receive input route used by early demux @@ -430,7 +431,8 @@ struct sock { #endif kmemcheck_bitfield_begin(flags); - unsigned int sk_padding : 2, + unsigned int sk_padding : 1, + sk_kern_sock : 1, sk_no_check_tx : 1, sk_no_check_rx : 1, sk_userlocks : 4, @@ -1015,7 +1017,8 @@ struct proto { int addr_len); int (*disconnect)(struct sock *sk, int flags); - struct sock * (*accept)(struct sock *sk, int flags, int *err); + struct sock * (*accept)(struct sock *sk, int flags, int *err, + bool kern); int (*ioctl)(struct sock *sk, int cmd, unsigned long arg); @@ -1573,7 +1576,7 @@ int sock_cmsg_send(struct sock *sk, struct msghdr *msg, int sock_no_bind(struct socket *, struct sockaddr *, int); int sock_no_connect(struct socket *, struct sockaddr *, int, int); int sock_no_socketpair(struct socket *, struct socket *); -int sock_no_accept(struct socket *, struct socket *, int); +int sock_no_accept(struct socket *, struct socket *, int, bool); int sock_no_getname(struct socket *, struct sockaddr *, int *, int); unsigned int sock_no_poll(struct file *, struct socket *, struct poll_table_struct *); diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h index 0f1813c..99e4423 100644 --- a/include/rdma/ib_verbs.h +++ b/include/rdma/ib_verbs.h @@ -1863,6 +1863,9 @@ struct ib_port_immutable { }; struct ib_device { + /* Do not access @dma_device directly from ULP nor from HW drivers. */ + struct device *dma_device; + char name[IB_DEVICE_NAME_MAX]; struct list_head event_handler_list; @@ -3007,7 +3010,7 @@ static inline int ib_req_ncomp_notif(struct ib_cq *cq, int wc_cnt) */ static inline int ib_dma_mapping_error(struct ib_device *dev, u64 dma_addr) { - return dma_mapping_error(&dev->dev, dma_addr); + return dma_mapping_error(dev->dma_device, dma_addr); } /** @@ -3021,7 +3024,7 @@ static inline u64 ib_dma_map_single(struct ib_device *dev, void *cpu_addr, size_t size, enum dma_data_direction direction) { - return dma_map_single(&dev->dev, cpu_addr, size, direction); + return dma_map_single(dev->dma_device, cpu_addr, size, direction); } /** @@ -3035,7 +3038,7 @@ static inline void ib_dma_unmap_single(struct ib_device *dev, u64 addr, size_t size, enum dma_data_direction direction) { - dma_unmap_single(&dev->dev, addr, size, direction); + dma_unmap_single(dev->dma_device, addr, size, direction); } /** @@ -3052,7 +3055,7 @@ static inline u64 ib_dma_map_page(struct ib_device *dev, size_t size, enum dma_data_direction direction) { - return dma_map_page(&dev->dev, page, offset, size, direction); + return dma_map_page(dev->dma_device, page, offset, size, direction); } /** @@ -3066,7 +3069,7 @@ static inline void ib_dma_unmap_page(struct ib_device *dev, u64 addr, size_t size, enum dma_data_direction direction) { - dma_unmap_page(&dev->dev, addr, size, direction); + dma_unmap_page(dev->dma_device, addr, size, direction); } /** @@ -3080,7 +3083,7 @@ static inline int ib_dma_map_sg(struct ib_device *dev, struct scatterlist *sg, int nents, enum dma_data_direction direction) { - return dma_map_sg(&dev->dev, sg, nents, direction); + return dma_map_sg(dev->dma_device, sg, nents, direction); } /** @@ -3094,7 +3097,7 @@ static inline void ib_dma_unmap_sg(struct ib_device *dev, struct scatterlist *sg, int nents, enum dma_data_direction direction) { - dma_unmap_sg(&dev->dev, sg, nents, direction); + dma_unmap_sg(dev->dma_device, sg, nents, direction); } static inline int ib_dma_map_sg_attrs(struct ib_device *dev, @@ -3102,7 +3105,8 @@ static inline int ib_dma_map_sg_attrs(struct ib_device *dev, enum dma_data_direction direction, unsigned long dma_attrs) { - return dma_map_sg_attrs(&dev->dev, sg, nents, direction, dma_attrs); + return dma_map_sg_attrs(dev->dma_device, sg, nents, direction, + dma_attrs); } static inline void ib_dma_unmap_sg_attrs(struct ib_device *dev, @@ -3110,7 +3114,7 @@ static inline void ib_dma_unmap_sg_attrs(struct ib_device *dev, enum dma_data_direction direction, unsigned long dma_attrs) { - dma_unmap_sg_attrs(&dev->dev, sg, nents, direction, dma_attrs); + dma_unmap_sg_attrs(dev->dma_device, sg, nents, direction, dma_attrs); } /** * ib_sg_dma_address - Return the DMA address from a scatter/gather entry @@ -3152,7 +3156,7 @@ static inline void ib_dma_sync_single_for_cpu(struct ib_device *dev, size_t size, enum dma_data_direction dir) { - dma_sync_single_for_cpu(&dev->dev, addr, size, dir); + dma_sync_single_for_cpu(dev->dma_device, addr, size, dir); } /** @@ -3167,7 +3171,7 @@ static inline void ib_dma_sync_single_for_device(struct ib_device *dev, size_t size, enum dma_data_direction dir) { - dma_sync_single_for_device(&dev->dev, addr, size, dir); + dma_sync_single_for_device(dev->dma_device, addr, size, dir); } /** @@ -3182,7 +3186,7 @@ static inline void *ib_dma_alloc_coherent(struct ib_device *dev, dma_addr_t *dma_handle, gfp_t flag) { - return dma_alloc_coherent(&dev->dev, size, dma_handle, flag); + return dma_alloc_coherent(dev->dma_device, size, dma_handle, flag); } /** @@ -3196,7 +3200,7 @@ static inline void ib_dma_free_coherent(struct ib_device *dev, size_t size, void *cpu_addr, dma_addr_t dma_handle) { - dma_free_coherent(&dev->dev, size, cpu_addr, dma_handle); + dma_free_coherent(dev->dma_device, size, cpu_addr, dma_handle); } /** diff --git a/include/scsi/libiscsi.h b/include/scsi/libiscsi.h index b0e275d..583875e 100644 --- a/include/scsi/libiscsi.h +++ b/include/scsi/libiscsi.h @@ -196,6 +196,7 @@ struct iscsi_conn { struct iscsi_task *task; /* xmit task in progress */ /* xmit */ + spinlock_t taskqueuelock; /* protects the next three lists */ struct list_head mgmtqueue; /* mgmt (control) xmit queue */ struct list_head cmdqueue; /* data-path cmd queue */ struct list_head requeue; /* tasks needing another run */ diff --git a/include/scsi/scsi_device.h b/include/scsi/scsi_device.h index 6f22b39..080c7ce 100644 --- a/include/scsi/scsi_device.h +++ b/include/scsi/scsi_device.h @@ -472,6 +472,10 @@ static inline int scsi_device_created(struct scsi_device *sdev) sdev->sdev_state == SDEV_CREATED_BLOCK; } +int scsi_internal_device_block(struct scsi_device *sdev, bool wait); +int scsi_internal_device_unblock(struct scsi_device *sdev, + enum scsi_device_state new_state); + /* accessor functions for the SCSI parameters */ static inline int scsi_device_sync(struct scsi_device *sdev) { diff --git a/include/target/target_core_backend.h b/include/target/target_core_backend.h index b54b98d..1b0f447 100644 --- a/include/target/target_core_backend.h +++ b/include/target/target_core_backend.h @@ -4,7 +4,12 @@ #include <linux/types.h> #include <target/target_core_base.h> -#define TRANSPORT_FLAG_PASSTHROUGH 1 +#define TRANSPORT_FLAG_PASSTHROUGH 0x1 +/* + * ALUA commands, state checks and setup operations are handled by the + * backend module. + */ +#define TRANSPORT_FLAG_PASSTHROUGH_ALUA 0x2 struct request_queue; struct scatterlist; diff --git a/include/target/target_core_base.h b/include/target/target_core_base.h index 37c274e..ccfad0e 100644 --- a/include/target/target_core_base.h +++ b/include/target/target_core_base.h @@ -117,6 +117,7 @@ enum transport_state_table { TRANSPORT_ISTATE_PROCESSING = 11, TRANSPORT_COMPLETE_QF_WP = 18, TRANSPORT_COMPLETE_QF_OK = 19, + TRANSPORT_COMPLETE_QF_ERR = 20, }; /* Used for struct se_cmd->se_cmd_flags */ @@ -279,8 +280,6 @@ struct t10_alua_tg_pt_gp { u16 tg_pt_gp_id; int tg_pt_gp_valid_id; int tg_pt_gp_alua_supported_states; - int tg_pt_gp_alua_pending_state; - int tg_pt_gp_alua_previous_state; int tg_pt_gp_alua_access_status; int tg_pt_gp_alua_access_type; int tg_pt_gp_nonop_delay_msecs; @@ -289,18 +288,16 @@ struct t10_alua_tg_pt_gp { int tg_pt_gp_pref; int tg_pt_gp_write_metadata; u32 tg_pt_gp_members; - atomic_t tg_pt_gp_alua_access_state; + int tg_pt_gp_alua_access_state; atomic_t tg_pt_gp_ref_cnt; spinlock_t tg_pt_gp_lock; - struct mutex tg_pt_gp_md_mutex; + struct mutex tg_pt_gp_transition_mutex; struct se_device *tg_pt_gp_dev; struct config_group tg_pt_gp_group; struct list_head tg_pt_gp_list; struct list_head tg_pt_gp_lun_list; struct se_lun *tg_pt_gp_alua_lun; struct se_node_acl *tg_pt_gp_alua_nacl; - struct delayed_work tg_pt_gp_transition_work; - struct completion *tg_pt_gp_transition_complete; }; struct t10_vpd { @@ -705,6 +702,7 @@ struct se_lun { u64 unpacked_lun; #define SE_LUN_LINK_MAGIC 0xffff7771 u32 lun_link_magic; + bool lun_shutdown; bool lun_access_ro; u32 lun_index; diff --git a/include/uapi/asm-generic/unistd.h b/include/uapi/asm-generic/unistd.h index 9b1462e..a076cf1 100644 --- a/include/uapi/asm-generic/unistd.h +++ b/include/uapi/asm-generic/unistd.h @@ -730,9 +730,11 @@ __SYSCALL(__NR_pkey_mprotect, sys_pkey_mprotect) __SYSCALL(__NR_pkey_alloc, sys_pkey_alloc) #define __NR_pkey_free 290 __SYSCALL(__NR_pkey_free, sys_pkey_free) +#define __NR_statx 291 +__SYSCALL(__NR_statx, sys_statx) #undef __NR_syscalls -#define __NR_syscalls 291 +#define __NR_syscalls 292 /* * All syscalls below here should go away really, diff --git a/include/uapi/drm/omap_drm.h b/include/uapi/drm/omap_drm.h index 407cb55..7fb9786 100644 --- a/include/uapi/drm/omap_drm.h +++ b/include/uapi/drm/omap_drm.h @@ -33,8 +33,8 @@ extern "C" { #define OMAP_PARAM_CHIPSET_ID 1 /* ie. 0x3430, 0x4430, etc */ struct drm_omap_param { - uint64_t param; /* in */ - uint64_t value; /* in (set_param), out (get_param) */ + __u64 param; /* in */ + __u64 value; /* in (set_param), out (get_param) */ }; #define OMAP_BO_SCANOUT 0x00000001 /* scanout capable (phys contiguous) */ @@ -53,18 +53,18 @@ struct drm_omap_param { #define OMAP_BO_TILED (OMAP_BO_TILED_8 | OMAP_BO_TILED_16 | OMAP_BO_TILED_32) union omap_gem_size { - uint32_t bytes; /* (for non-tiled formats) */ + __u32 bytes; /* (for non-tiled formats) */ struct { - uint16_t width; - uint16_t height; + __u16 width; + __u16 height; } tiled; /* (for tiled formats) */ }; struct drm_omap_gem_new { union omap_gem_size size; /* in */ - uint32_t flags; /* in */ - uint32_t handle; /* out */ - uint32_t __pad; + __u32 flags; /* in */ + __u32 handle; /* out */ + __u32 __pad; }; /* mask of operations: */ @@ -74,33 +74,33 @@ enum omap_gem_op { }; struct drm_omap_gem_cpu_prep { - uint32_t handle; /* buffer handle (in) */ - uint32_t op; /* mask of omap_gem_op (in) */ + __u32 handle; /* buffer handle (in) */ + __u32 op; /* mask of omap_gem_op (in) */ }; struct drm_omap_gem_cpu_fini { - uint32_t handle; /* buffer handle (in) */ - uint32_t op; /* mask of omap_gem_op (in) */ + __u32 handle; /* buffer handle (in) */ + __u32 op; /* mask of omap_gem_op (in) */ /* TODO maybe here we pass down info about what regions are touched * by sw so we can be clever about cache ops? For now a placeholder, * set to zero and we just do full buffer flush.. */ - uint32_t nregions; - uint32_t __pad; + __u32 nregions; + __u32 __pad; }; struct drm_omap_gem_info { - uint32_t handle; /* buffer handle (in) */ - uint32_t pad; - uint64_t offset; /* mmap offset (out) */ + __u32 handle; /* buffer handle (in) */ + __u32 pad; + __u64 offset; /* mmap offset (out) */ /* note: in case of tiled buffers, the user virtual size can be * different from the physical size (ie. how many pages are needed * to back the object) which is returned in DRM_IOCTL_GEM_OPEN.. * This size here is the one that should be used if you want to * mmap() the buffer: */ - uint32_t size; /* virtual size for mmap'ing (out) */ - uint32_t __pad; + __u32 size; /* virtual size for mmap'ing (out) */ + __u32 __pad; }; #define DRM_OMAP_GET_PARAM 0x00 diff --git a/include/uapi/linux/Kbuild b/include/uapi/linux/Kbuild index dd9820b..f8d9fed 100644 --- a/include/uapi/linux/Kbuild +++ b/include/uapi/linux/Kbuild @@ -445,6 +445,7 @@ header-y += unistd.h header-y += unix_diag.h header-y += usbdevice_fs.h header-y += usbip.h +header-y += userio.h header-y += utime.h header-y += utsname.h header-y += uuid.h diff --git a/include/uapi/linux/btrfs.h b/include/uapi/linux/btrfs.h index db4c253..dcfc3a5 100644 --- a/include/uapi/linux/btrfs.h +++ b/include/uapi/linux/btrfs.h @@ -713,33 +713,6 @@ enum btrfs_err_code { BTRFS_ERROR_DEV_ONLY_WRITABLE, BTRFS_ERROR_DEV_EXCL_RUN_IN_PROGRESS }; -/* An error code to error string mapping for the kernel -* error codes -*/ -static inline char *btrfs_err_str(enum btrfs_err_code err_code) -{ - switch (err_code) { - case BTRFS_ERROR_DEV_RAID1_MIN_NOT_MET: - return "unable to go below two devices on raid1"; - case BTRFS_ERROR_DEV_RAID10_MIN_NOT_MET: - return "unable to go below four devices on raid10"; - case BTRFS_ERROR_DEV_RAID5_MIN_NOT_MET: - return "unable to go below two devices on raid5"; - case BTRFS_ERROR_DEV_RAID6_MIN_NOT_MET: - return "unable to go below three devices on raid6"; - case BTRFS_ERROR_DEV_TGT_REPLACE: - return "unable to remove the dev_replace target dev"; - case BTRFS_ERROR_DEV_MISSING_NOT_FOUND: - return "no missing devices found to remove"; - case BTRFS_ERROR_DEV_ONLY_WRITABLE: - return "unable to remove the only writeable device"; - case BTRFS_ERROR_DEV_EXCL_RUN_IN_PROGRESS: - return "add/delete/balance/replace/resize operation "\ - "in progress"; - default: - return NULL; - } -} #define BTRFS_IOC_SNAP_CREATE _IOW(BTRFS_IOCTL_MAGIC, 1, \ struct btrfs_ioctl_vol_args) diff --git a/include/uapi/linux/packet_diag.h b/include/uapi/linux/packet_diag.h index d08c63f..0c5d5dd 100644 --- a/include/uapi/linux/packet_diag.h +++ b/include/uapi/linux/packet_diag.h @@ -64,7 +64,7 @@ struct packet_diag_mclist { __u32 pdmc_count; __u16 pdmc_type; __u16 pdmc_alen; - __u8 pdmc_addr[MAX_ADDR_LEN]; + __u8 pdmc_addr[32]; /* MAX_ADDR_LEN */ }; struct packet_diag_ring { diff --git a/include/uapi/linux/stat.h b/include/uapi/linux/stat.h index 51a6b86..d538897 100644 --- a/include/uapi/linux/stat.h +++ b/include/uapi/linux/stat.h @@ -114,7 +114,7 @@ struct statx { __u64 stx_ino; /* Inode number */ __u64 stx_size; /* File size */ __u64 stx_blocks; /* Number of 512-byte blocks allocated */ - __u64 __spare1[1]; + __u64 stx_attributes_mask; /* Mask to show what's supported in stx_attributes */ /* 0x40 */ struct statx_timestamp stx_atime; /* Last access time */ struct statx_timestamp stx_btime; /* File creation time */ @@ -152,9 +152,10 @@ struct statx { #define STATX_BASIC_STATS 0x000007ffU /* The stuff in the normal stat struct */ #define STATX_BTIME 0x00000800U /* Want/got stx_btime */ #define STATX_ALL 0x00000fffU /* All currently supported flags */ +#define STATX__RESERVED 0x80000000U /* Reserved for future struct statx expansion */ /* - * Attributes to be found in stx_attributes + * Attributes to be found in stx_attributes and masked in stx_attributes_mask. * * These give information about the features or the state of a file that might * be of use to ordinary userspace programs such as GUIs or ls rather than diff --git a/include/uapi/linux/virtio_pci.h b/include/uapi/linux/virtio_pci.h index 15b4385..90007a1 100644 --- a/include/uapi/linux/virtio_pci.h +++ b/include/uapi/linux/virtio_pci.h @@ -79,7 +79,7 @@ * configuration space */ #define VIRTIO_PCI_CONFIG_OFF(msix_enabled) ((msix_enabled) ? 24 : 20) /* Deprecated: please use VIRTIO_PCI_CONFIG_OFF instead */ -#define VIRTIO_PCI_CONFIG(dev) VIRTIO_PCI_CONFIG_OFF((dev)->pci_dev->msix_enabled) +#define VIRTIO_PCI_CONFIG(dev) VIRTIO_PCI_CONFIG_OFF((dev)->msix_enabled) /* Virtio ABI version, this must match exactly */ #define VIRTIO_PCI_ABI_VERSION 0 diff --git a/include/uapi/rdma/mlx5-abi.h b/include/uapi/rdma/mlx5-abi.h index da7cd62..0b3d308 100644 --- a/include/uapi/rdma/mlx5-abi.h +++ b/include/uapi/rdma/mlx5-abi.h @@ -34,6 +34,7 @@ #define MLX5_ABI_USER_H #include <linux/types.h> +#include <linux/if_ether.h> /* For ETH_ALEN. */ enum { MLX5_QP_FLAG_SIGNATURE = 1 << 0, @@ -66,7 +67,7 @@ struct mlx5_ib_alloc_ucontext_req { }; enum mlx5_lib_caps { - MLX5_LIB_CAP_4K_UAR = (u64)1 << 0, + MLX5_LIB_CAP_4K_UAR = (__u64)1 << 0, }; struct mlx5_ib_alloc_ucontext_req_v2 { diff --git a/include/video/exynos5433_decon.h b/include/video/exynos5433_decon.h index ef8e2a8..6b083d3 100644 --- a/include/video/exynos5433_decon.h +++ b/include/video/exynos5433_decon.h @@ -46,6 +46,7 @@ #define DECON_FRAMEFIFO_STATUS 0x0524 #define DECON_CMU 0x1404 #define DECON_UPDATE 0x1410 +#define DECON_CRFMID 0x1414 #define DECON_UPDATE_SCHEME 0x1438 #define DECON_VIDCON1 0x2000 #define DECON_VIDCON2 0x2004 @@ -126,6 +127,10 @@ /* VIDINTCON0 */ #define VIDINTCON0_FRAMEDONE (1 << 17) +#define VIDINTCON0_FRAMESEL_BP (0 << 15) +#define VIDINTCON0_FRAMESEL_VS (1 << 15) +#define VIDINTCON0_FRAMESEL_AC (2 << 15) +#define VIDINTCON0_FRAMESEL_FP (3 << 15) #define VIDINTCON0_INTFRMEN (1 << 12) #define VIDINTCON0_INTEN (1 << 0) @@ -142,6 +147,13 @@ #define STANDALONE_UPDATE_F (1 << 0) /* DECON_VIDCON1 */ +#define VIDCON1_LINECNT_MASK (0x0fff << 16) +#define VIDCON1_I80_ACTIVE (1 << 15) +#define VIDCON1_VSTATUS_MASK (0x3 << 13) +#define VIDCON1_VSTATUS_VS (0 << 13) +#define VIDCON1_VSTATUS_BP (1 << 13) +#define VIDCON1_VSTATUS_AC (2 << 13) +#define VIDCON1_VSTATUS_FP (3 << 13) #define VIDCON1_VCLK_MASK (0x3 << 9) #define VIDCON1_VCLK_RUN_VDEN_DISABLE (0x3 << 9) #define VIDCON1_VCLK_HOLD (0x0 << 9) diff --git a/init/main.c b/init/main.c index f9c9d99..b0c11cb 100644 --- a/init/main.c +++ b/init/main.c @@ -1022,6 +1022,8 @@ static noinline void __init kernel_init_freeable(void) workqueue_init(); + init_mm_internals(); + do_pre_smp_initcalls(); lockup_detector_init(); diff --git a/kernel/audit.c b/kernel/audit.c index e794544..a871bf8 100644 --- a/kernel/audit.c +++ b/kernel/audit.c @@ -54,6 +54,10 @@ #include <linux/kthread.h> #include <linux/kernel.h> #include <linux/syscalls.h> +#include <linux/spinlock.h> +#include <linux/rcupdate.h> +#include <linux/mutex.h> +#include <linux/gfp.h> #include <linux/audit.h> @@ -90,13 +94,34 @@ static u32 audit_default; /* If auditing cannot proceed, audit_failure selects what happens. */ static u32 audit_failure = AUDIT_FAIL_PRINTK; -/* - * If audit records are to be written to the netlink socket, audit_pid - * contains the pid of the auditd process and audit_nlk_portid contains - * the portid to use to send netlink messages to that process. +/* private audit network namespace index */ +static unsigned int audit_net_id; + +/** + * struct audit_net - audit private network namespace data + * @sk: communication socket */ -int audit_pid; -static __u32 audit_nlk_portid; +struct audit_net { + struct sock *sk; +}; + +/** + * struct auditd_connection - kernel/auditd connection state + * @pid: auditd PID + * @portid: netlink portid + * @net: the associated network namespace + * @lock: spinlock to protect write access + * + * Description: + * This struct is RCU protected; you must either hold the RCU lock for reading + * or the included spinlock for writing. + */ +static struct auditd_connection { + int pid; + u32 portid; + struct net *net; + spinlock_t lock; +} auditd_conn; /* If audit_rate_limit is non-zero, limit the rate of sending audit records * to that number per second. This prevents DoS attacks, but results in @@ -123,10 +148,6 @@ u32 audit_sig_sid = 0; */ static atomic_t audit_lost = ATOMIC_INIT(0); -/* The netlink socket. */ -static struct sock *audit_sock; -static unsigned int audit_net_id; - /* Hash for inode-based rules */ struct list_head audit_inode_hash[AUDIT_INODE_BUCKETS]; @@ -192,6 +213,43 @@ struct audit_reply { struct sk_buff *skb; }; +/** + * auditd_test_task - Check to see if a given task is an audit daemon + * @task: the task to check + * + * Description: + * Return 1 if the task is a registered audit daemon, 0 otherwise. + */ +int auditd_test_task(const struct task_struct *task) +{ + int rc; + + rcu_read_lock(); + rc = (auditd_conn.pid && task->tgid == auditd_conn.pid ? 1 : 0); + rcu_read_unlock(); + + return rc; +} + +/** + * audit_get_sk - Return the audit socket for the given network namespace + * @net: the destination network namespace + * + * Description: + * Returns the sock pointer if valid, NULL otherwise. The caller must ensure + * that a reference is held for the network namespace while the sock is in use. + */ +static struct sock *audit_get_sk(const struct net *net) +{ + struct audit_net *aunet; + + if (!net) + return NULL; + + aunet = net_generic(net, audit_net_id); + return aunet->sk; +} + static void audit_set_portid(struct audit_buffer *ab, __u32 portid) { if (ab) { @@ -210,9 +268,7 @@ void audit_panic(const char *message) pr_err("%s\n", message); break; case AUDIT_FAIL_PANIC: - /* test audit_pid since printk is always losey, why bother? */ - if (audit_pid) - panic("audit: %s\n", message); + panic("audit: %s\n", message); break; } } @@ -370,21 +426,60 @@ static int audit_set_failure(u32 state) return audit_do_config_change("audit_failure", &audit_failure, state); } -/* - * For one reason or another this nlh isn't getting delivered to the userspace - * audit daemon, just send it to printk. +/** + * auditd_set - Set/Reset the auditd connection state + * @pid: auditd PID + * @portid: auditd netlink portid + * @net: auditd network namespace pointer + * + * Description: + * This function will obtain and drop network namespace references as + * necessary. + */ +static void auditd_set(int pid, u32 portid, struct net *net) +{ + unsigned long flags; + + spin_lock_irqsave(&auditd_conn.lock, flags); + auditd_conn.pid = pid; + auditd_conn.portid = portid; + if (auditd_conn.net) + put_net(auditd_conn.net); + if (net) + auditd_conn.net = get_net(net); + else + auditd_conn.net = NULL; + spin_unlock_irqrestore(&auditd_conn.lock, flags); +} + +/** + * kauditd_print_skb - Print the audit record to the ring buffer + * @skb: audit record + * + * Whatever the reason, this packet may not make it to the auditd connection + * so write it via printk so the information isn't completely lost. */ static void kauditd_printk_skb(struct sk_buff *skb) { struct nlmsghdr *nlh = nlmsg_hdr(skb); char *data = nlmsg_data(nlh); - if (nlh->nlmsg_type != AUDIT_EOE) { - if (printk_ratelimit()) - pr_notice("type=%d %s\n", nlh->nlmsg_type, data); - else - audit_log_lost("printk limit exceeded"); - } + if (nlh->nlmsg_type != AUDIT_EOE && printk_ratelimit()) + pr_notice("type=%d %s\n", nlh->nlmsg_type, data); +} + +/** + * kauditd_rehold_skb - Handle a audit record send failure in the hold queue + * @skb: audit record + * + * Description: + * This should only be used by the kauditd_thread when it fails to flush the + * hold queue. + */ +static void kauditd_rehold_skb(struct sk_buff *skb) +{ + /* put the record back in the queue at the same place */ + skb_queue_head(&audit_hold_queue, skb); } /** @@ -444,65 +539,163 @@ static void kauditd_retry_skb(struct sk_buff *skb) * auditd_reset - Disconnect the auditd connection * * Description: - * Break the auditd/kauditd connection and move all the records in the retry - * queue into the hold queue in case auditd reconnects. The audit_cmd_mutex - * must be held when calling this function. + * Break the auditd/kauditd connection and move all the queued records into the + * hold queue in case auditd reconnects. */ static void auditd_reset(void) { struct sk_buff *skb; - /* break the connection */ - if (audit_sock) { - sock_put(audit_sock); - audit_sock = NULL; - } - audit_pid = 0; - audit_nlk_portid = 0; + /* if it isn't already broken, break the connection */ + rcu_read_lock(); + if (auditd_conn.pid) + auditd_set(0, 0, NULL); + rcu_read_unlock(); - /* flush all of the retry queue to the hold queue */ + /* flush all of the main and retry queues to the hold queue */ while ((skb = skb_dequeue(&audit_retry_queue))) kauditd_hold_skb(skb); + while ((skb = skb_dequeue(&audit_queue))) + kauditd_hold_skb(skb); } /** - * kauditd_send_unicast_skb - Send a record via unicast to auditd + * auditd_send_unicast_skb - Send a record via unicast to auditd * @skb: audit record + * + * Description: + * Send a skb to the audit daemon, returns positive/zero values on success and + * negative values on failure; in all cases the skb will be consumed by this + * function. If the send results in -ECONNREFUSED the connection with auditd + * will be reset. This function may sleep so callers should not hold any locks + * where this would cause a problem. */ -static int kauditd_send_unicast_skb(struct sk_buff *skb) +static int auditd_send_unicast_skb(struct sk_buff *skb) { int rc; + u32 portid; + struct net *net; + struct sock *sk; + + /* NOTE: we can't call netlink_unicast while in the RCU section so + * take a reference to the network namespace and grab local + * copies of the namespace, the sock, and the portid; the + * namespace and sock aren't going to go away while we hold a + * reference and if the portid does become invalid after the RCU + * section netlink_unicast() should safely return an error */ + + rcu_read_lock(); + if (!auditd_conn.pid) { + rcu_read_unlock(); + rc = -ECONNREFUSED; + goto err; + } + net = auditd_conn.net; + get_net(net); + sk = audit_get_sk(net); + portid = auditd_conn.portid; + rcu_read_unlock(); - /* if we know nothing is connected, don't even try the netlink call */ - if (!audit_pid) - return -ECONNREFUSED; + rc = netlink_unicast(sk, skb, portid, 0); + put_net(net); + if (rc < 0) + goto err; - /* get an extra skb reference in case we fail to send */ - skb_get(skb); - rc = netlink_unicast(audit_sock, skb, audit_nlk_portid, 0); - if (rc >= 0) { - consume_skb(skb); - rc = 0; - } + return rc; +err: + if (rc == -ECONNREFUSED) + auditd_reset(); return rc; } +/** + * kauditd_send_queue - Helper for kauditd_thread to flush skb queues + * @sk: the sending sock + * @portid: the netlink destination + * @queue: the skb queue to process + * @retry_limit: limit on number of netlink unicast failures + * @skb_hook: per-skb hook for additional processing + * @err_hook: hook called if the skb fails the netlink unicast send + * + * Description: + * Run through the given queue and attempt to send the audit records to auditd, + * returns zero on success, negative values on failure. It is up to the caller + * to ensure that the @sk is valid for the duration of this function. + * + */ +static int kauditd_send_queue(struct sock *sk, u32 portid, + struct sk_buff_head *queue, + unsigned int retry_limit, + void (*skb_hook)(struct sk_buff *skb), + void (*err_hook)(struct sk_buff *skb)) +{ + int rc = 0; + struct sk_buff *skb; + static unsigned int failed = 0; + + /* NOTE: kauditd_thread takes care of all our locking, we just use + * the netlink info passed to us (e.g. sk and portid) */ + + while ((skb = skb_dequeue(queue))) { + /* call the skb_hook for each skb we touch */ + if (skb_hook) + (*skb_hook)(skb); + + /* can we send to anyone via unicast? */ + if (!sk) { + if (err_hook) + (*err_hook)(skb); + continue; + } + + /* grab an extra skb reference in case of error */ + skb_get(skb); + rc = netlink_unicast(sk, skb, portid, 0); + if (rc < 0) { + /* fatal failure for our queue flush attempt? */ + if (++failed >= retry_limit || + rc == -ECONNREFUSED || rc == -EPERM) { + /* yes - error processing for the queue */ + sk = NULL; + if (err_hook) + (*err_hook)(skb); + if (!skb_hook) + goto out; + /* keep processing with the skb_hook */ + continue; + } else + /* no - requeue to preserve ordering */ + skb_queue_head(queue, skb); + } else { + /* it worked - drop the extra reference and continue */ + consume_skb(skb); + failed = 0; + } + } + +out: + return (rc >= 0 ? 0 : rc); +} + /* * kauditd_send_multicast_skb - Send a record to any multicast listeners * @skb: audit record * * Description: - * This function doesn't consume an skb as might be expected since it has to - * copy it anyways. + * Write a multicast message to anyone listening in the initial network + * namespace. This function doesn't consume an skb as might be expected since + * it has to copy it anyways. */ static void kauditd_send_multicast_skb(struct sk_buff *skb) { struct sk_buff *copy; - struct audit_net *aunet = net_generic(&init_net, audit_net_id); - struct sock *sock = aunet->nlsk; + struct sock *sock = audit_get_sk(&init_net); struct nlmsghdr *nlh; + /* NOTE: we are not taking an additional reference for init_net since + * we don't have to worry about it going away */ + if (!netlink_has_listeners(sock, AUDIT_NLGRP_READLOG)) return; @@ -526,149 +719,79 @@ static void kauditd_send_multicast_skb(struct sk_buff *skb) } /** - * kauditd_wake_condition - Return true when it is time to wake kauditd_thread - * - * Description: - * This function is for use by the wait_event_freezable() call in - * kauditd_thread(). + * kauditd_thread - Worker thread to send audit records to userspace + * @dummy: unused */ -static int kauditd_wake_condition(void) -{ - static int pid_last = 0; - int rc; - int pid = audit_pid; - - /* wake on new messages or a change in the connected auditd */ - rc = skb_queue_len(&audit_queue) || (pid && pid != pid_last); - if (rc) - pid_last = pid; - - return rc; -} - static int kauditd_thread(void *dummy) { int rc; - int auditd = 0; - int reschedule = 0; - struct sk_buff *skb; - struct nlmsghdr *nlh; + u32 portid = 0; + struct net *net = NULL; + struct sock *sk = NULL; #define UNICAST_RETRIES 5 -#define AUDITD_BAD(x,y) \ - ((x) == -ECONNREFUSED || (x) == -EPERM || ++(y) >= UNICAST_RETRIES) - - /* NOTE: we do invalidate the auditd connection flag on any sending - * errors, but we only "restore" the connection flag at specific places - * in the loop in order to help ensure proper ordering of audit - * records */ set_freezable(); while (!kthread_should_stop()) { - /* NOTE: possible area for future improvement is to look at - * the hold and retry queues, since only this thread - * has access to these queues we might be able to do - * our own queuing and skip some/all of the locking */ - - /* NOTE: it might be a fun experiment to split the hold and - * retry queue handling to another thread, but the - * synchronization issues and other overhead might kill - * any performance gains */ + /* NOTE: see the lock comments in auditd_send_unicast_skb() */ + rcu_read_lock(); + if (!auditd_conn.pid) { + rcu_read_unlock(); + goto main_queue; + } + net = auditd_conn.net; + get_net(net); + sk = audit_get_sk(net); + portid = auditd_conn.portid; + rcu_read_unlock(); /* attempt to flush the hold queue */ - while (auditd && (skb = skb_dequeue(&audit_hold_queue))) { - rc = kauditd_send_unicast_skb(skb); - if (rc) { - /* requeue to the same spot */ - skb_queue_head(&audit_hold_queue, skb); - - auditd = 0; - if (AUDITD_BAD(rc, reschedule)) { - mutex_lock(&audit_cmd_mutex); - auditd_reset(); - mutex_unlock(&audit_cmd_mutex); - reschedule = 0; - } - } else - /* we were able to send successfully */ - reschedule = 0; + rc = kauditd_send_queue(sk, portid, + &audit_hold_queue, UNICAST_RETRIES, + NULL, kauditd_rehold_skb); + if (rc < 0) { + sk = NULL; + auditd_reset(); + goto main_queue; } /* attempt to flush the retry queue */ - while (auditd && (skb = skb_dequeue(&audit_retry_queue))) { - rc = kauditd_send_unicast_skb(skb); - if (rc) { - auditd = 0; - if (AUDITD_BAD(rc, reschedule)) { - kauditd_hold_skb(skb); - mutex_lock(&audit_cmd_mutex); - auditd_reset(); - mutex_unlock(&audit_cmd_mutex); - reschedule = 0; - } else - /* temporary problem (we hope), queue - * to the same spot and retry */ - skb_queue_head(&audit_retry_queue, skb); - } else - /* we were able to send successfully */ - reschedule = 0; + rc = kauditd_send_queue(sk, portid, + &audit_retry_queue, UNICAST_RETRIES, + NULL, kauditd_hold_skb); + if (rc < 0) { + sk = NULL; + auditd_reset(); + goto main_queue; } - /* standard queue processing, try to be as quick as possible */ -quick_loop: - skb = skb_dequeue(&audit_queue); - if (skb) { - /* setup the netlink header, see the comments in - * kauditd_send_multicast_skb() for length quirks */ - nlh = nlmsg_hdr(skb); - nlh->nlmsg_len = skb->len - NLMSG_HDRLEN; - - /* attempt to send to any multicast listeners */ - kauditd_send_multicast_skb(skb); - - /* attempt to send to auditd, queue on failure */ - if (auditd) { - rc = kauditd_send_unicast_skb(skb); - if (rc) { - auditd = 0; - if (AUDITD_BAD(rc, reschedule)) { - mutex_lock(&audit_cmd_mutex); - auditd_reset(); - mutex_unlock(&audit_cmd_mutex); - reschedule = 0; - } - - /* move to the retry queue */ - kauditd_retry_skb(skb); - } else - /* everything is working so go fast! */ - goto quick_loop; - } else if (reschedule) - /* we are currently having problems, move to - * the retry queue */ - kauditd_retry_skb(skb); - else - /* dump the message via printk and hold it */ - kauditd_hold_skb(skb); - } else { - /* we have flushed the backlog so wake everyone */ - wake_up(&audit_backlog_wait); - - /* if everything is okay with auditd (if present), go - * to sleep until there is something new in the queue - * or we have a change in the connected auditd; - * otherwise simply reschedule to give things a chance - * to recover */ - if (reschedule) { - set_current_state(TASK_INTERRUPTIBLE); - schedule(); - } else - wait_event_freezable(kauditd_wait, - kauditd_wake_condition()); - - /* update the auditd connection status */ - auditd = (audit_pid ? 1 : 0); +main_queue: + /* process the main queue - do the multicast send and attempt + * unicast, dump failed record sends to the retry queue; if + * sk == NULL due to previous failures we will just do the + * multicast send and move the record to the retry queue */ + rc = kauditd_send_queue(sk, portid, &audit_queue, 1, + kauditd_send_multicast_skb, + kauditd_retry_skb); + if (sk == NULL || rc < 0) + auditd_reset(); + sk = NULL; + + /* drop our netns reference, no auditd sends past this line */ + if (net) { + put_net(net); + net = NULL; } + + /* we have processed all the queues so wake everyone */ + wake_up(&audit_backlog_wait); + + /* NOTE: we want to wake up if there is anything on the queue, + * regardless of if an auditd is connected, as we need to + * do the multicast send and rotate records from the + * main queue to the retry/hold queues */ + wait_event_freezable(kauditd_wait, + (skb_queue_len(&audit_queue) ? 1 : 0)); } return 0; @@ -678,17 +801,16 @@ int audit_send_list(void *_dest) { struct audit_netlink_list *dest = _dest; struct sk_buff *skb; - struct net *net = dest->net; - struct audit_net *aunet = net_generic(net, audit_net_id); + struct sock *sk = audit_get_sk(dest->net); /* wait for parent to finish and send an ACK */ mutex_lock(&audit_cmd_mutex); mutex_unlock(&audit_cmd_mutex); while ((skb = __skb_dequeue(&dest->q)) != NULL) - netlink_unicast(aunet->nlsk, skb, dest->portid, 0); + netlink_unicast(sk, skb, dest->portid, 0); - put_net(net); + put_net(dest->net); kfree(dest); return 0; @@ -722,16 +844,15 @@ out_kfree_skb: static int audit_send_reply_thread(void *arg) { struct audit_reply *reply = (struct audit_reply *)arg; - struct net *net = reply->net; - struct audit_net *aunet = net_generic(net, audit_net_id); + struct sock *sk = audit_get_sk(reply->net); mutex_lock(&audit_cmd_mutex); mutex_unlock(&audit_cmd_mutex); /* Ignore failure. It'll only happen if the sender goes away, because our timeout is set to infinite. */ - netlink_unicast(aunet->nlsk , reply->skb, reply->portid, 0); - put_net(net); + netlink_unicast(sk, reply->skb, reply->portid, 0); + put_net(reply->net); kfree(reply); return 0; } @@ -949,12 +1070,12 @@ static int audit_set_feature(struct sk_buff *skb) static int audit_replace(pid_t pid) { - struct sk_buff *skb = audit_make_reply(0, 0, AUDIT_REPLACE, 0, 0, - &pid, sizeof(pid)); + struct sk_buff *skb; + skb = audit_make_reply(0, 0, AUDIT_REPLACE, 0, 0, &pid, sizeof(pid)); if (!skb) return -ENOMEM; - return netlink_unicast(audit_sock, skb, audit_nlk_portid, 0); + return auditd_send_unicast_skb(skb); } static int audit_receive_msg(struct sk_buff *skb, struct nlmsghdr *nlh) @@ -981,7 +1102,9 @@ static int audit_receive_msg(struct sk_buff *skb, struct nlmsghdr *nlh) memset(&s, 0, sizeof(s)); s.enabled = audit_enabled; s.failure = audit_failure; - s.pid = audit_pid; + rcu_read_lock(); + s.pid = auditd_conn.pid; + rcu_read_unlock(); s.rate_limit = audit_rate_limit; s.backlog_limit = audit_backlog_limit; s.lost = atomic_read(&audit_lost); @@ -1014,30 +1137,44 @@ static int audit_receive_msg(struct sk_buff *skb, struct nlmsghdr *nlh) * from the initial pid namespace, but something * to keep in mind if this changes */ int new_pid = s.pid; + pid_t auditd_pid; pid_t requesting_pid = task_tgid_vnr(current); - if ((!new_pid) && (requesting_pid != audit_pid)) { - audit_log_config_change("audit_pid", new_pid, audit_pid, 0); + /* test the auditd connection */ + audit_replace(requesting_pid); + + rcu_read_lock(); + auditd_pid = auditd_conn.pid; + /* only the current auditd can unregister itself */ + if ((!new_pid) && (requesting_pid != auditd_pid)) { + rcu_read_unlock(); + audit_log_config_change("audit_pid", new_pid, + auditd_pid, 0); return -EACCES; } - if (audit_pid && new_pid && - audit_replace(requesting_pid) != -ECONNREFUSED) { - audit_log_config_change("audit_pid", new_pid, audit_pid, 0); + /* replacing a healthy auditd is not allowed */ + if (auditd_pid && new_pid) { + rcu_read_unlock(); + audit_log_config_change("audit_pid", new_pid, + auditd_pid, 0); return -EEXIST; } + rcu_read_unlock(); + if (audit_enabled != AUDIT_OFF) - audit_log_config_change("audit_pid", new_pid, audit_pid, 1); + audit_log_config_change("audit_pid", new_pid, + auditd_pid, 1); + if (new_pid) { - if (audit_sock) - sock_put(audit_sock); - audit_pid = new_pid; - audit_nlk_portid = NETLINK_CB(skb).portid; - sock_hold(skb->sk); - audit_sock = skb->sk; - } else { + /* register a new auditd connection */ + auditd_set(new_pid, + NETLINK_CB(skb).portid, + sock_net(NETLINK_CB(skb).sk)); + /* try to process any backlog */ + wake_up_interruptible(&kauditd_wait); + } else + /* unregister the auditd connection */ auditd_reset(); - } - wake_up_interruptible(&kauditd_wait); } if (s.mask & AUDIT_STATUS_RATE_LIMIT) { err = audit_set_rate_limit(s.rate_limit); @@ -1090,7 +1227,6 @@ static int audit_receive_msg(struct sk_buff *skb, struct nlmsghdr *nlh) if (err) break; } - mutex_unlock(&audit_cmd_mutex); audit_log_common_recv_msg(&ab, msg_type); if (msg_type != AUDIT_USER_TTY) audit_log_format(ab, " msg='%.*s'", @@ -1108,7 +1244,6 @@ static int audit_receive_msg(struct sk_buff *skb, struct nlmsghdr *nlh) } audit_set_portid(ab, NETLINK_CB(skb).portid); audit_log_end(ab); - mutex_lock(&audit_cmd_mutex); } break; case AUDIT_ADD_RULE: @@ -1298,26 +1433,26 @@ static int __net_init audit_net_init(struct net *net) struct audit_net *aunet = net_generic(net, audit_net_id); - aunet->nlsk = netlink_kernel_create(net, NETLINK_AUDIT, &cfg); - if (aunet->nlsk == NULL) { + aunet->sk = netlink_kernel_create(net, NETLINK_AUDIT, &cfg); + if (aunet->sk == NULL) { audit_panic("cannot initialize netlink socket in namespace"); return -ENOMEM; } - aunet->nlsk->sk_sndtimeo = MAX_SCHEDULE_TIMEOUT; + aunet->sk->sk_sndtimeo = MAX_SCHEDULE_TIMEOUT; + return 0; } static void __net_exit audit_net_exit(struct net *net) { struct audit_net *aunet = net_generic(net, audit_net_id); - struct sock *sock = aunet->nlsk; - mutex_lock(&audit_cmd_mutex); - if (sock == audit_sock) + + rcu_read_lock(); + if (net == auditd_conn.net) auditd_reset(); - mutex_unlock(&audit_cmd_mutex); + rcu_read_unlock(); - netlink_kernel_release(sock); - aunet->nlsk = NULL; + netlink_kernel_release(aunet->sk); } static struct pernet_operations audit_net_ops __net_initdata = { @@ -1335,20 +1470,24 @@ static int __init audit_init(void) if (audit_initialized == AUDIT_DISABLED) return 0; - pr_info("initializing netlink subsys (%s)\n", - audit_default ? "enabled" : "disabled"); - register_pernet_subsys(&audit_net_ops); + memset(&auditd_conn, 0, sizeof(auditd_conn)); + spin_lock_init(&auditd_conn.lock); skb_queue_head_init(&audit_queue); skb_queue_head_init(&audit_retry_queue); skb_queue_head_init(&audit_hold_queue); - audit_initialized = AUDIT_INITIALIZED; - audit_enabled = audit_default; - audit_ever_enabled |= !!audit_default; for (i = 0; i < AUDIT_INODE_BUCKETS; i++) INIT_LIST_HEAD(&audit_inode_hash[i]); + pr_info("initializing netlink subsys (%s)\n", + audit_default ? "enabled" : "disabled"); + register_pernet_subsys(&audit_net_ops); + + audit_initialized = AUDIT_INITIALIZED; + audit_enabled = audit_default; + audit_ever_enabled |= !!audit_default; + kauditd_task = kthread_run(kauditd_thread, NULL, "kauditd"); if (IS_ERR(kauditd_task)) { int err = PTR_ERR(kauditd_task); @@ -1519,20 +1658,16 @@ struct audit_buffer *audit_log_start(struct audit_context *ctx, gfp_t gfp_mask, if (unlikely(!audit_filter(type, AUDIT_FILTER_TYPE))) return NULL; - /* don't ever fail/sleep on these two conditions: + /* NOTE: don't ever fail/sleep on these two conditions: * 1. auditd generated record - since we need auditd to drain the * queue; also, when we are checking for auditd, compare PIDs using * task_tgid_vnr() since auditd_pid is set in audit_receive_msg() * using a PID anchored in the caller's namespace - * 2. audit command message - record types 1000 through 1099 inclusive - * are command messages/records used to manage the kernel subsystem - * and the audit userspace, blocking on these messages could cause - * problems under load so don't do it (note: not all of these - * command types are valid as record types, but it is quicker to - * just check two ints than a series of ints in a if/switch stmt) */ - if (!((audit_pid && audit_pid == task_tgid_vnr(current)) || - (type >= 1000 && type <= 1099))) { - long sleep_time = audit_backlog_wait_time; + * 2. generator holding the audit_cmd_mutex - we don't want to block + * while holding the mutex */ + if (!(auditd_test_task(current) || + (current == __mutex_owner(&audit_cmd_mutex)))) { + long stime = audit_backlog_wait_time; while (audit_backlog_limit && (skb_queue_len(&audit_queue) > audit_backlog_limit)) { @@ -1541,14 +1676,13 @@ struct audit_buffer *audit_log_start(struct audit_context *ctx, gfp_t gfp_mask, /* sleep if we are allowed and we haven't exhausted our * backlog wait limit */ - if ((gfp_mask & __GFP_DIRECT_RECLAIM) && - (sleep_time > 0)) { + if (gfpflags_allow_blocking(gfp_mask) && (stime > 0)) { DECLARE_WAITQUEUE(wait, current); add_wait_queue_exclusive(&audit_backlog_wait, &wait); set_current_state(TASK_UNINTERRUPTIBLE); - sleep_time = schedule_timeout(sleep_time); + stime = schedule_timeout(stime); remove_wait_queue(&audit_backlog_wait, &wait); } else { if (audit_rate_check() && printk_ratelimit()) @@ -2127,15 +2261,27 @@ out: */ void audit_log_end(struct audit_buffer *ab) { + struct sk_buff *skb; + struct nlmsghdr *nlh; + if (!ab) return; - if (!audit_rate_check()) { - audit_log_lost("rate limit exceeded"); - } else { - skb_queue_tail(&audit_queue, ab->skb); - wake_up_interruptible(&kauditd_wait); + + if (audit_rate_check()) { + skb = ab->skb; ab->skb = NULL; - } + + /* setup the netlink header, see the comments in + * kauditd_send_multicast_skb() for length quirks */ + nlh = nlmsg_hdr(skb); + nlh->nlmsg_len = skb->len - NLMSG_HDRLEN; + + /* queue the netlink packet and poke the kauditd thread */ + skb_queue_tail(&audit_queue, skb); + wake_up_interruptible(&kauditd_wait); + } else + audit_log_lost("rate limit exceeded"); + audit_buffer_free(ab); } diff --git a/kernel/audit.h b/kernel/audit.h index ca57988..0d87f8a 100644 --- a/kernel/audit.h +++ b/kernel/audit.h @@ -218,7 +218,7 @@ extern void audit_log_name(struct audit_context *context, struct audit_names *n, const struct path *path, int record_num, int *call_panic); -extern int audit_pid; +extern int auditd_test_task(const struct task_struct *task); #define AUDIT_INODE_BUCKETS 32 extern struct list_head audit_inode_hash[AUDIT_INODE_BUCKETS]; @@ -250,10 +250,6 @@ struct audit_netlink_list { int audit_send_list(void *); -struct audit_net { - struct sock *nlsk; -}; - extern int selinux_audit_rule_update(void); extern struct mutex audit_filter_mutex; @@ -337,14 +333,7 @@ extern u32 audit_sig_sid; extern int audit_filter(int msgtype, unsigned int listtype); #ifdef CONFIG_AUDITSYSCALL -extern int __audit_signal_info(int sig, struct task_struct *t); -static inline int audit_signal_info(int sig, struct task_struct *t) -{ - if (unlikely((audit_pid && t->tgid == audit_pid) || - (audit_signals && !audit_dummy_context()))) - return __audit_signal_info(sig, t); - return 0; -} +extern int audit_signal_info(int sig, struct task_struct *t); extern void audit_filter_inodes(struct task_struct *, struct audit_context *); extern struct list_head *audit_killed_trees(void); #else diff --git a/kernel/auditsc.c b/kernel/auditsc.c index d6a8de5..1c23331 100644 --- a/kernel/auditsc.c +++ b/kernel/auditsc.c @@ -762,7 +762,7 @@ static enum audit_state audit_filter_syscall(struct task_struct *tsk, struct audit_entry *e; enum audit_state state; - if (audit_pid && tsk->tgid == audit_pid) + if (auditd_test_task(tsk)) return AUDIT_DISABLED; rcu_read_lock(); @@ -816,7 +816,7 @@ void audit_filter_inodes(struct task_struct *tsk, struct audit_context *ctx) { struct audit_names *n; - if (audit_pid && tsk->tgid == audit_pid) + if (auditd_test_task(tsk)) return; rcu_read_lock(); @@ -2249,26 +2249,27 @@ void __audit_ptrace(struct task_struct *t) * If the audit subsystem is being terminated, record the task (pid) * and uid that is doing that. */ -int __audit_signal_info(int sig, struct task_struct *t) +int audit_signal_info(int sig, struct task_struct *t) { struct audit_aux_data_pids *axp; struct task_struct *tsk = current; struct audit_context *ctx = tsk->audit_context; kuid_t uid = current_uid(), t_uid = task_uid(t); - if (audit_pid && t->tgid == audit_pid) { - if (sig == SIGTERM || sig == SIGHUP || sig == SIGUSR1 || sig == SIGUSR2) { - audit_sig_pid = task_tgid_nr(tsk); - if (uid_valid(tsk->loginuid)) - audit_sig_uid = tsk->loginuid; - else - audit_sig_uid = uid; - security_task_getsecid(tsk, &audit_sig_sid); - } - if (!audit_signals || audit_dummy_context()) - return 0; + if (auditd_test_task(t) && + (sig == SIGTERM || sig == SIGHUP || + sig == SIGUSR1 || sig == SIGUSR2)) { + audit_sig_pid = task_tgid_nr(tsk); + if (uid_valid(tsk->loginuid)) + audit_sig_uid = tsk->loginuid; + else + audit_sig_uid = uid; + security_task_getsecid(tsk, &audit_sig_sid); } + if (!audit_signals || audit_dummy_context()) + return 0; + /* optimize the common case by putting first signal recipient directly * in audit_context */ if (!ctx->target_pid) { diff --git a/kernel/bpf/core.c b/kernel/bpf/core.c index f45827e2..b4f1cb0 100644 --- a/kernel/bpf/core.c +++ b/kernel/bpf/core.c @@ -1162,12 +1162,12 @@ out: LD_ABS_W: /* BPF_R0 = ntohl(*(u32 *) (skb->data + imm32)) */ off = IMM; load_word: - /* BPF_LD + BPD_ABS and BPF_LD + BPF_IND insns are - * only appearing in the programs where ctx == - * skb. All programs keep 'ctx' in regs[BPF_REG_CTX] - * == BPF_R6, bpf_convert_filter() saves it in BPF_R6, - * internal BPF verifier will check that BPF_R6 == - * ctx. + /* BPF_LD + BPD_ABS and BPF_LD + BPF_IND insns are only + * appearing in the programs where ctx == skb + * (see may_access_skb() in the verifier). All programs + * keep 'ctx' in regs[BPF_REG_CTX] == BPF_R6, + * bpf_convert_filter() saves it in BPF_R6, internal BPF + * verifier will check that BPF_R6 == ctx. * * BPF_ABS and BPF_IND are wrappers of function calls, * so they scratch BPF_R1-BPF_R5 registers, preserve diff --git a/kernel/bpf/hashtab.c b/kernel/bpf/hashtab.c index 3ea87fb..361a69d 100644 --- a/kernel/bpf/hashtab.c +++ b/kernel/bpf/hashtab.c @@ -13,11 +13,12 @@ #include <linux/bpf.h> #include <linux/jhash.h> #include <linux/filter.h> +#include <linux/rculist_nulls.h> #include "percpu_freelist.h" #include "bpf_lru_list.h" struct bucket { - struct hlist_head head; + struct hlist_nulls_head head; raw_spinlock_t lock; }; @@ -29,28 +30,26 @@ struct bpf_htab { struct pcpu_freelist freelist; struct bpf_lru lru; }; - void __percpu *extra_elems; + struct htab_elem *__percpu *extra_elems; atomic_t count; /* number of elements in this hashtable */ u32 n_buckets; /* number of hash buckets */ u32 elem_size; /* size of each element in bytes */ }; -enum extra_elem_state { - HTAB_NOT_AN_EXTRA_ELEM = 0, - HTAB_EXTRA_ELEM_FREE, - HTAB_EXTRA_ELEM_USED -}; - /* each htab element is struct htab_elem + key + value */ struct htab_elem { union { - struct hlist_node hash_node; - struct bpf_htab *htab; - struct pcpu_freelist_node fnode; + struct hlist_nulls_node hash_node; + struct { + void *padding; + union { + struct bpf_htab *htab; + struct pcpu_freelist_node fnode; + }; + }; }; union { struct rcu_head rcu; - enum extra_elem_state state; struct bpf_lru_node lru_node; }; u32 hash; @@ -71,6 +70,11 @@ static bool htab_is_percpu(const struct bpf_htab *htab) htab->map.map_type == BPF_MAP_TYPE_LRU_PERCPU_HASH; } +static bool htab_is_prealloc(const struct bpf_htab *htab) +{ + return !(htab->map.map_flags & BPF_F_NO_PREALLOC); +} + static inline void htab_elem_set_ptr(struct htab_elem *l, u32 key_size, void __percpu *pptr) { @@ -122,17 +126,20 @@ static struct htab_elem *prealloc_lru_pop(struct bpf_htab *htab, void *key, static int prealloc_init(struct bpf_htab *htab) { + u32 num_entries = htab->map.max_entries; int err = -ENOMEM, i; - htab->elems = bpf_map_area_alloc(htab->elem_size * - htab->map.max_entries); + if (!htab_is_percpu(htab) && !htab_is_lru(htab)) + num_entries += num_possible_cpus(); + + htab->elems = bpf_map_area_alloc(htab->elem_size * num_entries); if (!htab->elems) return -ENOMEM; if (!htab_is_percpu(htab)) goto skip_percpu_elems; - for (i = 0; i < htab->map.max_entries; i++) { + for (i = 0; i < num_entries; i++) { u32 size = round_up(htab->map.value_size, 8); void __percpu *pptr; @@ -160,10 +167,11 @@ skip_percpu_elems: if (htab_is_lru(htab)) bpf_lru_populate(&htab->lru, htab->elems, offsetof(struct htab_elem, lru_node), - htab->elem_size, htab->map.max_entries); + htab->elem_size, num_entries); else - pcpu_freelist_populate(&htab->freelist, htab->elems, - htab->elem_size, htab->map.max_entries); + pcpu_freelist_populate(&htab->freelist, + htab->elems + offsetof(struct htab_elem, fnode), + htab->elem_size, num_entries); return 0; @@ -184,16 +192,22 @@ static void prealloc_destroy(struct bpf_htab *htab) static int alloc_extra_elems(struct bpf_htab *htab) { - void __percpu *pptr; + struct htab_elem *__percpu *pptr, *l_new; + struct pcpu_freelist_node *l; int cpu; - pptr = __alloc_percpu_gfp(htab->elem_size, 8, GFP_USER | __GFP_NOWARN); + pptr = __alloc_percpu_gfp(sizeof(struct htab_elem *), 8, + GFP_USER | __GFP_NOWARN); if (!pptr) return -ENOMEM; for_each_possible_cpu(cpu) { - ((struct htab_elem *)per_cpu_ptr(pptr, cpu))->state = - HTAB_EXTRA_ELEM_FREE; + l = pcpu_freelist_pop(&htab->freelist); + /* pop will succeed, since prealloc_init() + * preallocated extra num_possible_cpus elements + */ + l_new = container_of(l, struct htab_elem, fnode); + *per_cpu_ptr(pptr, cpu) = l_new; } htab->extra_elems = pptr; return 0; @@ -217,6 +231,11 @@ static struct bpf_map *htab_map_alloc(union bpf_attr *attr) int err, i; u64 cost; + BUILD_BUG_ON(offsetof(struct htab_elem, htab) != + offsetof(struct htab_elem, hash_node.pprev)); + BUILD_BUG_ON(offsetof(struct htab_elem, fnode.next) != + offsetof(struct htab_elem, hash_node.pprev)); + if (lru && !capable(CAP_SYS_ADMIN)) /* LRU implementation is much complicated than other * maps. Hence, limit to CAP_SYS_ADMIN for now. @@ -326,29 +345,29 @@ static struct bpf_map *htab_map_alloc(union bpf_attr *attr) goto free_htab; for (i = 0; i < htab->n_buckets; i++) { - INIT_HLIST_HEAD(&htab->buckets[i].head); + INIT_HLIST_NULLS_HEAD(&htab->buckets[i].head, i); raw_spin_lock_init(&htab->buckets[i].lock); } - if (!percpu && !lru) { - /* lru itself can remove the least used element, so - * there is no need for an extra elem during map_update. - */ - err = alloc_extra_elems(htab); - if (err) - goto free_buckets; - } - if (prealloc) { err = prealloc_init(htab); if (err) - goto free_extra_elems; + goto free_buckets; + + if (!percpu && !lru) { + /* lru itself can remove the least used element, so + * there is no need for an extra elem during map_update. + */ + err = alloc_extra_elems(htab); + if (err) + goto free_prealloc; + } } return &htab->map; -free_extra_elems: - free_percpu(htab->extra_elems); +free_prealloc: + prealloc_destroy(htab); free_buckets: bpf_map_area_free(htab->buckets); free_htab: @@ -366,20 +385,44 @@ static inline struct bucket *__select_bucket(struct bpf_htab *htab, u32 hash) return &htab->buckets[hash & (htab->n_buckets - 1)]; } -static inline struct hlist_head *select_bucket(struct bpf_htab *htab, u32 hash) +static inline struct hlist_nulls_head *select_bucket(struct bpf_htab *htab, u32 hash) { return &__select_bucket(htab, hash)->head; } -static struct htab_elem *lookup_elem_raw(struct hlist_head *head, u32 hash, +/* this lookup function can only be called with bucket lock taken */ +static struct htab_elem *lookup_elem_raw(struct hlist_nulls_head *head, u32 hash, void *key, u32 key_size) { + struct hlist_nulls_node *n; + struct htab_elem *l; + + hlist_nulls_for_each_entry_rcu(l, n, head, hash_node) + if (l->hash == hash && !memcmp(&l->key, key, key_size)) + return l; + + return NULL; +} + +/* can be called without bucket lock. it will repeat the loop in + * the unlikely event when elements moved from one bucket into another + * while link list is being walked + */ +static struct htab_elem *lookup_nulls_elem_raw(struct hlist_nulls_head *head, + u32 hash, void *key, + u32 key_size, u32 n_buckets) +{ + struct hlist_nulls_node *n; struct htab_elem *l; - hlist_for_each_entry_rcu(l, head, hash_node) +again: + hlist_nulls_for_each_entry_rcu(l, n, head, hash_node) if (l->hash == hash && !memcmp(&l->key, key, key_size)) return l; + if (unlikely(get_nulls_value(n) != (hash & (n_buckets - 1)))) + goto again; + return NULL; } @@ -387,7 +430,7 @@ static struct htab_elem *lookup_elem_raw(struct hlist_head *head, u32 hash, static void *__htab_map_lookup_elem(struct bpf_map *map, void *key) { struct bpf_htab *htab = container_of(map, struct bpf_htab, map); - struct hlist_head *head; + struct hlist_nulls_head *head; struct htab_elem *l; u32 hash, key_size; @@ -400,7 +443,7 @@ static void *__htab_map_lookup_elem(struct bpf_map *map, void *key) head = select_bucket(htab, hash); - l = lookup_elem_raw(head, hash, key, key_size); + l = lookup_nulls_elem_raw(head, hash, key, key_size, htab->n_buckets); return l; } @@ -433,8 +476,9 @@ static void *htab_lru_map_lookup_elem(struct bpf_map *map, void *key) static bool htab_lru_map_delete_node(void *arg, struct bpf_lru_node *node) { struct bpf_htab *htab = (struct bpf_htab *)arg; - struct htab_elem *l, *tgt_l; - struct hlist_head *head; + struct htab_elem *l = NULL, *tgt_l; + struct hlist_nulls_head *head; + struct hlist_nulls_node *n; unsigned long flags; struct bucket *b; @@ -444,9 +488,9 @@ static bool htab_lru_map_delete_node(void *arg, struct bpf_lru_node *node) raw_spin_lock_irqsave(&b->lock, flags); - hlist_for_each_entry_rcu(l, head, hash_node) + hlist_nulls_for_each_entry_rcu(l, n, head, hash_node) if (l == tgt_l) { - hlist_del_rcu(&l->hash_node); + hlist_nulls_del_rcu(&l->hash_node); break; } @@ -459,7 +503,7 @@ static bool htab_lru_map_delete_node(void *arg, struct bpf_lru_node *node) static int htab_map_get_next_key(struct bpf_map *map, void *key, void *next_key) { struct bpf_htab *htab = container_of(map, struct bpf_htab, map); - struct hlist_head *head; + struct hlist_nulls_head *head; struct htab_elem *l, *next_l; u32 hash, key_size; int i; @@ -473,7 +517,7 @@ static int htab_map_get_next_key(struct bpf_map *map, void *key, void *next_key) head = select_bucket(htab, hash); /* lookup the key */ - l = lookup_elem_raw(head, hash, key, key_size); + l = lookup_nulls_elem_raw(head, hash, key, key_size, htab->n_buckets); if (!l) { i = 0; @@ -481,7 +525,7 @@ static int htab_map_get_next_key(struct bpf_map *map, void *key, void *next_key) } /* key was found, get next key in the same bucket */ - next_l = hlist_entry_safe(rcu_dereference_raw(hlist_next_rcu(&l->hash_node)), + next_l = hlist_nulls_entry_safe(rcu_dereference_raw(hlist_nulls_next_rcu(&l->hash_node)), struct htab_elem, hash_node); if (next_l) { @@ -500,7 +544,7 @@ find_first_elem: head = select_bucket(htab, i); /* pick first element in the bucket */ - next_l = hlist_entry_safe(rcu_dereference_raw(hlist_first_rcu(head)), + next_l = hlist_nulls_entry_safe(rcu_dereference_raw(hlist_nulls_first_rcu(head)), struct htab_elem, hash_node); if (next_l) { /* if it's not empty, just return it */ @@ -538,12 +582,7 @@ static void htab_elem_free_rcu(struct rcu_head *head) static void free_htab_elem(struct bpf_htab *htab, struct htab_elem *l) { - if (l->state == HTAB_EXTRA_ELEM_USED) { - l->state = HTAB_EXTRA_ELEM_FREE; - return; - } - - if (!(htab->map.map_flags & BPF_F_NO_PREALLOC)) { + if (htab_is_prealloc(htab)) { pcpu_freelist_push(&htab->freelist, &l->fnode); } else { atomic_dec(&htab->count); @@ -573,43 +612,43 @@ static void pcpu_copy_value(struct bpf_htab *htab, void __percpu *pptr, static struct htab_elem *alloc_htab_elem(struct bpf_htab *htab, void *key, void *value, u32 key_size, u32 hash, bool percpu, bool onallcpus, - bool old_elem_exists) + struct htab_elem *old_elem) { u32 size = htab->map.value_size; - bool prealloc = !(htab->map.map_flags & BPF_F_NO_PREALLOC); - struct htab_elem *l_new; + bool prealloc = htab_is_prealloc(htab); + struct htab_elem *l_new, **pl_new; void __percpu *pptr; - int err = 0; if (prealloc) { - l_new = (struct htab_elem *)pcpu_freelist_pop(&htab->freelist); - if (!l_new) - err = -E2BIG; - } else { - if (atomic_inc_return(&htab->count) > htab->map.max_entries) { - atomic_dec(&htab->count); - err = -E2BIG; + if (old_elem) { + /* if we're updating the existing element, + * use per-cpu extra elems to avoid freelist_pop/push + */ + pl_new = this_cpu_ptr(htab->extra_elems); + l_new = *pl_new; + *pl_new = old_elem; } else { - l_new = kmalloc(htab->elem_size, - GFP_ATOMIC | __GFP_NOWARN); - if (!l_new) - return ERR_PTR(-ENOMEM); - } - } + struct pcpu_freelist_node *l; - if (err) { - if (!old_elem_exists) - return ERR_PTR(err); - - /* if we're updating the existing element and the hash table - * is full, use per-cpu extra elems - */ - l_new = this_cpu_ptr(htab->extra_elems); - if (l_new->state != HTAB_EXTRA_ELEM_FREE) - return ERR_PTR(-E2BIG); - l_new->state = HTAB_EXTRA_ELEM_USED; + l = pcpu_freelist_pop(&htab->freelist); + if (!l) + return ERR_PTR(-E2BIG); + l_new = container_of(l, struct htab_elem, fnode); + } } else { - l_new->state = HTAB_NOT_AN_EXTRA_ELEM; + if (atomic_inc_return(&htab->count) > htab->map.max_entries) + if (!old_elem) { + /* when map is full and update() is replacing + * old element, it's ok to allocate, since + * old element will be freed immediately. + * Otherwise return an error + */ + atomic_dec(&htab->count); + return ERR_PTR(-E2BIG); + } + l_new = kmalloc(htab->elem_size, GFP_ATOMIC | __GFP_NOWARN); + if (!l_new) + return ERR_PTR(-ENOMEM); } memcpy(l_new->key, key, key_size); @@ -661,7 +700,7 @@ static int htab_map_update_elem(struct bpf_map *map, void *key, void *value, { struct bpf_htab *htab = container_of(map, struct bpf_htab, map); struct htab_elem *l_new = NULL, *l_old; - struct hlist_head *head; + struct hlist_nulls_head *head; unsigned long flags; struct bucket *b; u32 key_size, hash; @@ -690,7 +729,7 @@ static int htab_map_update_elem(struct bpf_map *map, void *key, void *value, goto err; l_new = alloc_htab_elem(htab, key, value, key_size, hash, false, false, - !!l_old); + l_old); if (IS_ERR(l_new)) { /* all pre-allocated elements are in use or memory exhausted */ ret = PTR_ERR(l_new); @@ -700,10 +739,11 @@ static int htab_map_update_elem(struct bpf_map *map, void *key, void *value, /* add new element to the head of the list, so that * concurrent search will find it before old elem */ - hlist_add_head_rcu(&l_new->hash_node, head); + hlist_nulls_add_head_rcu(&l_new->hash_node, head); if (l_old) { - hlist_del_rcu(&l_old->hash_node); - free_htab_elem(htab, l_old); + hlist_nulls_del_rcu(&l_old->hash_node); + if (!htab_is_prealloc(htab)) + free_htab_elem(htab, l_old); } ret = 0; err: @@ -716,7 +756,7 @@ static int htab_lru_map_update_elem(struct bpf_map *map, void *key, void *value, { struct bpf_htab *htab = container_of(map, struct bpf_htab, map); struct htab_elem *l_new, *l_old = NULL; - struct hlist_head *head; + struct hlist_nulls_head *head; unsigned long flags; struct bucket *b; u32 key_size, hash; @@ -757,10 +797,10 @@ static int htab_lru_map_update_elem(struct bpf_map *map, void *key, void *value, /* add new element to the head of the list, so that * concurrent search will find it before old elem */ - hlist_add_head_rcu(&l_new->hash_node, head); + hlist_nulls_add_head_rcu(&l_new->hash_node, head); if (l_old) { bpf_lru_node_set_ref(&l_new->lru_node); - hlist_del_rcu(&l_old->hash_node); + hlist_nulls_del_rcu(&l_old->hash_node); } ret = 0; @@ -781,7 +821,7 @@ static int __htab_percpu_map_update_elem(struct bpf_map *map, void *key, { struct bpf_htab *htab = container_of(map, struct bpf_htab, map); struct htab_elem *l_new = NULL, *l_old; - struct hlist_head *head; + struct hlist_nulls_head *head; unsigned long flags; struct bucket *b; u32 key_size, hash; @@ -815,12 +855,12 @@ static int __htab_percpu_map_update_elem(struct bpf_map *map, void *key, value, onallcpus); } else { l_new = alloc_htab_elem(htab, key, value, key_size, - hash, true, onallcpus, false); + hash, true, onallcpus, NULL); if (IS_ERR(l_new)) { ret = PTR_ERR(l_new); goto err; } - hlist_add_head_rcu(&l_new->hash_node, head); + hlist_nulls_add_head_rcu(&l_new->hash_node, head); } ret = 0; err: @@ -834,7 +874,7 @@ static int __htab_lru_percpu_map_update_elem(struct bpf_map *map, void *key, { struct bpf_htab *htab = container_of(map, struct bpf_htab, map); struct htab_elem *l_new = NULL, *l_old; - struct hlist_head *head; + struct hlist_nulls_head *head; unsigned long flags; struct bucket *b; u32 key_size, hash; @@ -882,7 +922,7 @@ static int __htab_lru_percpu_map_update_elem(struct bpf_map *map, void *key, } else { pcpu_copy_value(htab, htab_elem_get_ptr(l_new, key_size), value, onallcpus); - hlist_add_head_rcu(&l_new->hash_node, head); + hlist_nulls_add_head_rcu(&l_new->hash_node, head); l_new = NULL; } ret = 0; @@ -910,7 +950,7 @@ static int htab_lru_percpu_map_update_elem(struct bpf_map *map, void *key, static int htab_map_delete_elem(struct bpf_map *map, void *key) { struct bpf_htab *htab = container_of(map, struct bpf_htab, map); - struct hlist_head *head; + struct hlist_nulls_head *head; struct bucket *b; struct htab_elem *l; unsigned long flags; @@ -930,7 +970,7 @@ static int htab_map_delete_elem(struct bpf_map *map, void *key) l = lookup_elem_raw(head, hash, key, key_size); if (l) { - hlist_del_rcu(&l->hash_node); + hlist_nulls_del_rcu(&l->hash_node); free_htab_elem(htab, l); ret = 0; } @@ -942,7 +982,7 @@ static int htab_map_delete_elem(struct bpf_map *map, void *key) static int htab_lru_map_delete_elem(struct bpf_map *map, void *key) { struct bpf_htab *htab = container_of(map, struct bpf_htab, map); - struct hlist_head *head; + struct hlist_nulls_head *head; struct bucket *b; struct htab_elem *l; unsigned long flags; @@ -962,7 +1002,7 @@ static int htab_lru_map_delete_elem(struct bpf_map *map, void *key) l = lookup_elem_raw(head, hash, key, key_size); if (l) { - hlist_del_rcu(&l->hash_node); + hlist_nulls_del_rcu(&l->hash_node); ret = 0; } @@ -977,14 +1017,13 @@ static void delete_all_elements(struct bpf_htab *htab) int i; for (i = 0; i < htab->n_buckets; i++) { - struct hlist_head *head = select_bucket(htab, i); - struct hlist_node *n; + struct hlist_nulls_head *head = select_bucket(htab, i); + struct hlist_nulls_node *n; struct htab_elem *l; - hlist_for_each_entry_safe(l, n, head, hash_node) { - hlist_del_rcu(&l->hash_node); - if (l->state != HTAB_EXTRA_ELEM_USED) - htab_elem_free(htab, l); + hlist_nulls_for_each_entry_safe(l, n, head, hash_node) { + hlist_nulls_del_rcu(&l->hash_node); + htab_elem_free(htab, l); } } } @@ -1004,7 +1043,7 @@ static void htab_map_free(struct bpf_map *map) * not have executed. Wait for them. */ rcu_barrier(); - if (htab->map.map_flags & BPF_F_NO_PREALLOC) + if (!htab_is_prealloc(htab)) delete_all_elements(htab); else prealloc_destroy(htab); diff --git a/kernel/bpf/lpm_trie.c b/kernel/bpf/lpm_trie.c index 8bfe0af..b37bd9a 100644 --- a/kernel/bpf/lpm_trie.c +++ b/kernel/bpf/lpm_trie.c @@ -500,9 +500,15 @@ unlock: raw_spin_unlock(&trie->lock); } +static int trie_get_next_key(struct bpf_map *map, void *key, void *next_key) +{ + return -ENOTSUPP; +} + static const struct bpf_map_ops trie_ops = { .map_alloc = trie_alloc, .map_free = trie_free, + .map_get_next_key = trie_get_next_key, .map_lookup_elem = trie_lookup_elem, .map_update_elem = trie_update_elem, .map_delete_elem = trie_delete_elem, diff --git a/kernel/bpf/verifier.c b/kernel/bpf/verifier.c index 796b68d..a834068 100644 --- a/kernel/bpf/verifier.c +++ b/kernel/bpf/verifier.c @@ -765,38 +765,56 @@ static bool is_pointer_value(struct bpf_verifier_env *env, int regno) } } -static int check_ptr_alignment(struct bpf_verifier_env *env, - struct bpf_reg_state *reg, int off, int size) +static int check_pkt_ptr_alignment(const struct bpf_reg_state *reg, + int off, int size) { - if (reg->type != PTR_TO_PACKET && reg->type != PTR_TO_MAP_VALUE_ADJ) { - if (off % size != 0) { - verbose("misaligned access off %d size %d\n", - off, size); - return -EACCES; - } else { - return 0; - } - } - - if (IS_ENABLED(CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS)) - /* misaligned access to packet is ok on x86,arm,arm64 */ - return 0; - if (reg->id && size != 1) { - verbose("Unknown packet alignment. Only byte-sized access allowed\n"); + verbose("Unknown alignment. Only byte-sized access allowed in packet access.\n"); return -EACCES; } /* skb->data is NET_IP_ALIGN-ed */ - if (reg->type == PTR_TO_PACKET && - (NET_IP_ALIGN + reg->off + off) % size != 0) { + if ((NET_IP_ALIGN + reg->off + off) % size != 0) { verbose("misaligned packet access off %d+%d+%d size %d\n", NET_IP_ALIGN, reg->off, off, size); return -EACCES; } + return 0; } +static int check_val_ptr_alignment(const struct bpf_reg_state *reg, + int size) +{ + if (size != 1) { + verbose("Unknown alignment. Only byte-sized access allowed in value access.\n"); + return -EACCES; + } + + return 0; +} + +static int check_ptr_alignment(const struct bpf_reg_state *reg, + int off, int size) +{ + switch (reg->type) { + case PTR_TO_PACKET: + return IS_ENABLED(CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS) ? 0 : + check_pkt_ptr_alignment(reg, off, size); + case PTR_TO_MAP_VALUE_ADJ: + return IS_ENABLED(CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS) ? 0 : + check_val_ptr_alignment(reg, size); + default: + if (off % size != 0) { + verbose("misaligned access off %d size %d\n", + off, size); + return -EACCES; + } + + return 0; + } +} + /* check whether memory at (regno + off) is accessible for t = (read | write) * if t==write, value_regno is a register which value is stored into memory * if t==read, value_regno is a register which will receive the value from memory @@ -818,7 +836,7 @@ static int check_mem_access(struct bpf_verifier_env *env, u32 regno, int off, if (size < 0) return size; - err = check_ptr_alignment(env, reg, off, size); + err = check_ptr_alignment(reg, off, size); if (err) return err; @@ -1925,6 +1943,7 @@ static int check_alu_op(struct bpf_verifier_env *env, struct bpf_insn *insn) * register as unknown. */ if (env->allow_ptr_leaks && + BPF_CLASS(insn->code) == BPF_ALU64 && opcode == BPF_ADD && (dst_reg->type == PTR_TO_MAP_VALUE || dst_reg->type == PTR_TO_MAP_VALUE_ADJ)) dst_reg->type = PTR_TO_MAP_VALUE_ADJ; @@ -1973,14 +1992,15 @@ static void find_good_pkt_pointers(struct bpf_verifier_state *state, for (i = 0; i < MAX_BPF_REG; i++) if (regs[i].type == PTR_TO_PACKET && regs[i].id == dst_reg->id) - regs[i].range = dst_reg->off; + /* keep the maximum range already checked */ + regs[i].range = max(regs[i].range, dst_reg->off); for (i = 0; i < MAX_BPF_STACK; i += BPF_REG_SIZE) { if (state->stack_slot_type[i] != STACK_SPILL) continue; reg = &state->spilled_regs[i / BPF_REG_SIZE]; if (reg->type == PTR_TO_PACKET && reg->id == dst_reg->id) - reg->range = dst_reg->off; + reg->range = max(reg->range, dst_reg->off); } } diff --git a/kernel/cgroup/cgroup-v1.c b/kernel/cgroup/cgroup-v1.c index 56eba9c..1dc22f6 100644 --- a/kernel/cgroup/cgroup-v1.c +++ b/kernel/cgroup/cgroup-v1.c @@ -1329,7 +1329,7 @@ static int cgroup_css_links_read(struct seq_file *seq, void *v) struct task_struct *task; int count = 0; - seq_printf(seq, "css_set %p\n", cset); + seq_printf(seq, "css_set %pK\n", cset); list_for_each_entry(task, &cset->tasks, cg_list) { if (count++ > MAX_TASKS_SHOWN_PER_CSS) diff --git a/kernel/cgroup/cgroup.c b/kernel/cgroup/cgroup.c index 4885132..687f5e0 100644 --- a/kernel/cgroup/cgroup.c +++ b/kernel/cgroup/cgroup.c @@ -2425,11 +2425,12 @@ ssize_t __cgroup_procs_write(struct kernfs_open_file *of, char *buf, tsk = tsk->group_leader; /* - * Workqueue threads may acquire PF_NO_SETAFFINITY and become - * trapped in a cpuset, or RT worker may be born in a cgroup - * with no rt_runtime allocated. Just say no. + * kthreads may acquire PF_NO_SETAFFINITY during initialization. + * If userland migrates such a kthread to a non-root cgroup, it can + * become trapped in a cpuset, or RT kthread may be born in a + * cgroup with no rt_runtime allocated. Just say no. */ - if (tsk == kthreadd_task || (tsk->flags & PF_NO_SETAFFINITY)) { + if (tsk->no_cgroup_migration || (tsk->flags & PF_NO_SETAFFINITY)) { ret = -EINVAL; goto out_unlock_rcu; } diff --git a/kernel/cgroup/pids.c b/kernel/cgroup/pids.c index e756dae..2237201 100644 --- a/kernel/cgroup/pids.c +++ b/kernel/cgroup/pids.c @@ -229,7 +229,7 @@ static int pids_can_fork(struct task_struct *task) /* Only log the first time events_limit is incremented. */ if (atomic64_inc_return(&pids->events_limit) == 1) { pr_info("cgroup: fork rejected by pids controller in "); - pr_cont_cgroup_path(task_cgroup(current, pids_cgrp_id)); + pr_cont_cgroup_path(css->cgroup); pr_cont("\n"); } cgroup_file_notify(&pids->events_file); diff --git a/kernel/cpu.c b/kernel/cpu.c index f7c0632..37b223e 100644 --- a/kernel/cpu.c +++ b/kernel/cpu.c @@ -1335,26 +1335,21 @@ static int cpuhp_store_callbacks(enum cpuhp_state state, const char *name, struct cpuhp_step *sp; int ret = 0; - mutex_lock(&cpuhp_state_mutex); - if (state == CPUHP_AP_ONLINE_DYN || state == CPUHP_BP_PREPARE_DYN) { ret = cpuhp_reserve_state(state); if (ret < 0) - goto out; + return ret; state = ret; } sp = cpuhp_get_step(state); - if (name && sp->name) { - ret = -EBUSY; - goto out; - } + if (name && sp->name) + return -EBUSY; + sp->startup.single = startup; sp->teardown.single = teardown; sp->name = name; sp->multi_instance = multi_instance; INIT_HLIST_HEAD(&sp->list); -out: - mutex_unlock(&cpuhp_state_mutex); return ret; } @@ -1428,6 +1423,7 @@ int __cpuhp_state_add_instance(enum cpuhp_state state, struct hlist_node *node, return -EINVAL; get_online_cpus(); + mutex_lock(&cpuhp_state_mutex); if (!invoke || !sp->startup.multi) goto add_node; @@ -1447,16 +1443,14 @@ int __cpuhp_state_add_instance(enum cpuhp_state state, struct hlist_node *node, if (ret) { if (sp->teardown.multi) cpuhp_rollback_install(cpu, state, node); - goto err; + goto unlock; } } add_node: ret = 0; - mutex_lock(&cpuhp_state_mutex); hlist_add_head(node, &sp->list); +unlock: mutex_unlock(&cpuhp_state_mutex); - -err: put_online_cpus(); return ret; } @@ -1491,6 +1485,7 @@ int __cpuhp_setup_state(enum cpuhp_state state, return -EINVAL; get_online_cpus(); + mutex_lock(&cpuhp_state_mutex); ret = cpuhp_store_callbacks(state, name, startup, teardown, multi_instance); @@ -1524,6 +1519,7 @@ int __cpuhp_setup_state(enum cpuhp_state state, } } out: + mutex_unlock(&cpuhp_state_mutex); put_online_cpus(); /* * If the requested state is CPUHP_AP_ONLINE_DYN, return the @@ -1547,6 +1543,8 @@ int __cpuhp_state_remove_instance(enum cpuhp_state state, return -EINVAL; get_online_cpus(); + mutex_lock(&cpuhp_state_mutex); + if (!invoke || !cpuhp_get_teardown_cb(state)) goto remove; /* @@ -1563,7 +1561,6 @@ int __cpuhp_state_remove_instance(enum cpuhp_state state, } remove: - mutex_lock(&cpuhp_state_mutex); hlist_del(node); mutex_unlock(&cpuhp_state_mutex); put_online_cpus(); @@ -1571,6 +1568,7 @@ remove: return 0; } EXPORT_SYMBOL_GPL(__cpuhp_state_remove_instance); + /** * __cpuhp_remove_state - Remove the callbacks for an hotplug machine state * @state: The state to remove @@ -1589,6 +1587,7 @@ void __cpuhp_remove_state(enum cpuhp_state state, bool invoke) get_online_cpus(); + mutex_lock(&cpuhp_state_mutex); if (sp->multi_instance) { WARN(!hlist_empty(&sp->list), "Error: Removing state %d which has instances left.\n", @@ -1613,6 +1612,7 @@ void __cpuhp_remove_state(enum cpuhp_state state, bool invoke) } remove: cpuhp_store_callbacks(state, NULL, NULL, NULL, false); + mutex_unlock(&cpuhp_state_mutex); put_online_cpus(); } EXPORT_SYMBOL(__cpuhp_remove_state); diff --git a/kernel/events/core.c b/kernel/events/core.c index a17ed56..ff01cba 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -4256,7 +4256,7 @@ int perf_event_release_kernel(struct perf_event *event) raw_spin_lock_irq(&ctx->lock); /* - * Mark this even as STATE_DEAD, there is no external reference to it + * Mark this event as STATE_DEAD, there is no external reference to it * anymore. * * Anybody acquiring event->child_mutex after the below loop _must_ @@ -10417,21 +10417,22 @@ void perf_event_free_task(struct task_struct *task) continue; mutex_lock(&ctx->mutex); -again: - list_for_each_entry_safe(event, tmp, &ctx->pinned_groups, - group_entry) - perf_free_event(event, ctx); + raw_spin_lock_irq(&ctx->lock); + /* + * Destroy the task <-> ctx relation and mark the context dead. + * + * This is important because even though the task hasn't been + * exposed yet the context has been (through child_list). + */ + RCU_INIT_POINTER(task->perf_event_ctxp[ctxn], NULL); + WRITE_ONCE(ctx->task, TASK_TOMBSTONE); + put_task_struct(task); /* cannot be last */ + raw_spin_unlock_irq(&ctx->lock); - list_for_each_entry_safe(event, tmp, &ctx->flexible_groups, - group_entry) + list_for_each_entry_safe(event, tmp, &ctx->event_list, event_entry) perf_free_event(event, ctx); - if (!list_empty(&ctx->pinned_groups) || - !list_empty(&ctx->flexible_groups)) - goto again; - mutex_unlock(&ctx->mutex); - put_ctx(ctx); } } @@ -10469,7 +10470,12 @@ const struct perf_event_attr *perf_event_attrs(struct perf_event *event) } /* - * inherit a event from parent task to child task: + * Inherit a event from parent task to child task. + * + * Returns: + * - valid pointer on success + * - NULL for orphaned events + * - IS_ERR() on error */ static struct perf_event * inherit_event(struct perf_event *parent_event, @@ -10563,6 +10569,16 @@ inherit_event(struct perf_event *parent_event, return child_event; } +/* + * Inherits an event group. + * + * This will quietly suppress orphaned events; !inherit_event() is not an error. + * This matches with perf_event_release_kernel() removing all child events. + * + * Returns: + * - 0 on success + * - <0 on error + */ static int inherit_group(struct perf_event *parent_event, struct task_struct *parent, struct perf_event_context *parent_ctx, @@ -10577,6 +10593,11 @@ static int inherit_group(struct perf_event *parent_event, child, NULL, child_ctx); if (IS_ERR(leader)) return PTR_ERR(leader); + /* + * @leader can be NULL here because of is_orphaned_event(). In this + * case inherit_event() will create individual events, similar to what + * perf_group_detach() would do anyway. + */ list_for_each_entry(sub, &parent_event->sibling_list, group_entry) { child_ctr = inherit_event(sub, parent, parent_ctx, child, leader, child_ctx); @@ -10586,6 +10607,17 @@ static int inherit_group(struct perf_event *parent_event, return 0; } +/* + * Creates the child task context and tries to inherit the event-group. + * + * Clears @inherited_all on !attr.inherited or error. Note that we'll leave + * inherited_all set when we 'fail' to inherit an orphaned event; this is + * consistent with perf_event_release_kernel() removing all child events. + * + * Returns: + * - 0 on success + * - <0 on error + */ static int inherit_task_group(struct perf_event *event, struct task_struct *parent, struct perf_event_context *parent_ctx, @@ -10608,7 +10640,6 @@ inherit_task_group(struct perf_event *event, struct task_struct *parent, * First allocate and initialize a context for the * child. */ - child_ctx = alloc_perf_context(parent_ctx->pmu, child); if (!child_ctx) return -ENOMEM; @@ -10670,7 +10701,7 @@ static int perf_event_init_context(struct task_struct *child, int ctxn) ret = inherit_task_group(event, parent, parent_ctx, child, ctxn, &inherited_all); if (ret) - break; + goto out_unlock; } /* @@ -10686,7 +10717,7 @@ static int perf_event_init_context(struct task_struct *child, int ctxn) ret = inherit_task_group(event, parent, parent_ctx, child, ctxn, &inherited_all); if (ret) - break; + goto out_unlock; } raw_spin_lock_irqsave(&parent_ctx->lock, flags); @@ -10714,6 +10745,7 @@ static int perf_event_init_context(struct task_struct *child, int ctxn) } raw_spin_unlock_irqrestore(&parent_ctx->lock, flags); +out_unlock: mutex_unlock(&parent_ctx->mutex); perf_unpin_context(parent_ctx); diff --git a/kernel/futex.c b/kernel/futex.c index 229a744..45858ec 100644 --- a/kernel/futex.c +++ b/kernel/futex.c @@ -2815,7 +2815,6 @@ static int futex_wait_requeue_pi(u32 __user *uaddr, unsigned int flags, { struct hrtimer_sleeper timeout, *to = NULL; struct rt_mutex_waiter rt_waiter; - struct rt_mutex *pi_mutex = NULL; struct futex_hash_bucket *hb; union futex_key key2 = FUTEX_KEY_INIT; struct futex_q q = futex_q_init; @@ -2899,6 +2898,8 @@ static int futex_wait_requeue_pi(u32 __user *uaddr, unsigned int flags, if (q.pi_state && (q.pi_state->owner != current)) { spin_lock(q.lock_ptr); ret = fixup_pi_state_owner(uaddr2, &q, current); + if (ret && rt_mutex_owner(&q.pi_state->pi_mutex) == current) + rt_mutex_unlock(&q.pi_state->pi_mutex); /* * Drop the reference to the pi state which * the requeue_pi() code acquired for us. @@ -2907,6 +2908,8 @@ static int futex_wait_requeue_pi(u32 __user *uaddr, unsigned int flags, spin_unlock(q.lock_ptr); } } else { + struct rt_mutex *pi_mutex; + /* * We have been woken up by futex_unlock_pi(), a timeout, or a * signal. futex_unlock_pi() will not destroy the lock_ptr nor @@ -2930,18 +2933,19 @@ static int futex_wait_requeue_pi(u32 __user *uaddr, unsigned int flags, if (res) ret = (res < 0) ? res : 0; + /* + * If fixup_pi_state_owner() faulted and was unable to handle + * the fault, unlock the rt_mutex and return the fault to + * userspace. + */ + if (ret && rt_mutex_owner(pi_mutex) == current) + rt_mutex_unlock(pi_mutex); + /* Unqueue and drop the lock. */ unqueue_me_pi(&q); } - /* - * If fixup_pi_state_owner() faulted and was unable to handle the - * fault, unlock the rt_mutex and return the fault to userspace. - */ - if (ret == -EFAULT) { - if (pi_mutex && rt_mutex_owner(pi_mutex) == current) - rt_mutex_unlock(pi_mutex); - } else if (ret == -EINTR) { + if (ret == -EINTR) { /* * We've already been requeued, but cannot restart by calling * futex_lock_pi() directly. We could restart this syscall, but diff --git a/kernel/irq/affinity.c b/kernel/irq/affinity.c index 4544b11..d052947 100644 --- a/kernel/irq/affinity.c +++ b/kernel/irq/affinity.c @@ -59,7 +59,7 @@ static int get_nodes_in_cpumask(const struct cpumask *mask, nodemask_t *nodemsk) struct cpumask * irq_create_affinity_masks(int nvecs, const struct irq_affinity *affd) { - int n, nodes, vecs_per_node, cpus_per_vec, extra_vecs, curvec; + int n, nodes, cpus_per_vec, extra_vecs, curvec; int affv = nvecs - affd->pre_vectors - affd->post_vectors; int last_affv = affv + affd->pre_vectors; nodemask_t nodemsk = NODE_MASK_NONE; @@ -94,19 +94,21 @@ irq_create_affinity_masks(int nvecs, const struct irq_affinity *affd) goto done; } - /* Spread the vectors per node */ - vecs_per_node = affv / nodes; - /* Account for rounding errors */ - extra_vecs = affv - (nodes * vecs_per_node); - for_each_node_mask(n, nodemsk) { - int ncpus, v, vecs_to_assign = vecs_per_node; + int ncpus, v, vecs_to_assign, vecs_per_node; + + /* Spread the vectors per node */ + vecs_per_node = (affv - curvec) / nodes; /* Get the cpus on this node which are in the mask */ cpumask_and(nmsk, cpu_online_mask, cpumask_of_node(n)); /* Calculate the number of cpus per vector */ ncpus = cpumask_weight(nmsk); + vecs_to_assign = min(vecs_per_node, ncpus); + + /* Account for rounding errors */ + extra_vecs = ncpus - vecs_to_assign * (ncpus / vecs_to_assign); for (v = 0; curvec < last_affv && v < vecs_to_assign; curvec++, v++) { @@ -115,14 +117,14 @@ irq_create_affinity_masks(int nvecs, const struct irq_affinity *affd) /* Account for extra vectors to compensate rounding errors */ if (extra_vecs) { cpus_per_vec++; - if (!--extra_vecs) - vecs_per_node++; + --extra_vecs; } irq_spread_init_one(masks + curvec, nmsk, cpus_per_vec); } if (curvec >= last_affv) break; + --nodes; } done: diff --git a/kernel/kthread.c b/kernel/kthread.c index 2f26ade..26db528 100644 --- a/kernel/kthread.c +++ b/kernel/kthread.c @@ -20,6 +20,7 @@ #include <linux/freezer.h> #include <linux/ptrace.h> #include <linux/uaccess.h> +#include <linux/cgroup.h> #include <trace/events/sched.h> static DEFINE_SPINLOCK(kthread_create_lock); @@ -225,6 +226,7 @@ static int kthread(void *_create) ret = -EINTR; if (!test_bit(KTHREAD_SHOULD_STOP, &self->flags)) { + cgroup_kthread_ready(); __kthread_parkme(self); ret = threadfn(data); } @@ -538,6 +540,7 @@ int kthreadd(void *unused) set_mems_allowed(node_states[N_MEMORY]); current->flags |= PF_NOFREEZE; + cgroup_init_kthreadd(); for (;;) { set_current_state(TASK_INTERRUPTIBLE); diff --git a/kernel/locking/rwsem-spinlock.c b/kernel/locking/rwsem-spinlock.c index 7bc24d4..c65f798 100644 --- a/kernel/locking/rwsem-spinlock.c +++ b/kernel/locking/rwsem-spinlock.c @@ -213,10 +213,9 @@ int __sched __down_write_common(struct rw_semaphore *sem, int state) */ if (sem->count == 0) break; - if (signal_pending_state(state, current)) { - ret = -EINTR; - goto out; - } + if (signal_pending_state(state, current)) + goto out_nolock; + set_current_state(state); raw_spin_unlock_irqrestore(&sem->wait_lock, flags); schedule(); @@ -224,12 +223,19 @@ int __sched __down_write_common(struct rw_semaphore *sem, int state) } /* got the lock */ sem->count = -1; -out: list_del(&waiter.list); raw_spin_unlock_irqrestore(&sem->wait_lock, flags); return ret; + +out_nolock: + list_del(&waiter.list); + if (!list_empty(&sem->wait_list)) + __rwsem_do_wake(sem, 1); + raw_spin_unlock_irqrestore(&sem->wait_lock, flags); + + return -EINTR; } void __sched __down_write(struct rw_semaphore *sem) diff --git a/kernel/memremap.c b/kernel/memremap.c index 0612323..07e85e5 100644 --- a/kernel/memremap.c +++ b/kernel/memremap.c @@ -247,11 +247,9 @@ static void devm_memremap_pages_release(struct device *dev, void *data) align_start = res->start & ~(SECTION_SIZE - 1); align_size = ALIGN(resource_size(res), SECTION_SIZE); - lock_device_hotplug(); mem_hotplug_begin(); arch_remove_memory(align_start, align_size); mem_hotplug_done(); - unlock_device_hotplug(); untrack_pfn(NULL, PHYS_PFN(align_start), align_size); pgmap_radix_release(res); @@ -364,11 +362,9 @@ void *devm_memremap_pages(struct device *dev, struct resource *res, if (error) goto err_pfn_remap; - lock_device_hotplug(); mem_hotplug_begin(); error = arch_add_memory(nid, align_start, align_size, true); mem_hotplug_done(); - unlock_device_hotplug(); if (error) goto err_add_memory; diff --git a/kernel/padata.c b/kernel/padata.c index 05316c9..3202aa1 100644 --- a/kernel/padata.c +++ b/kernel/padata.c @@ -186,19 +186,20 @@ static struct padata_priv *padata_get_next(struct parallel_data *pd) reorder = &next_queue->reorder; + spin_lock(&reorder->lock); if (!list_empty(&reorder->list)) { padata = list_entry(reorder->list.next, struct padata_priv, list); - spin_lock(&reorder->lock); list_del_init(&padata->list); atomic_dec(&pd->reorder_objects); - spin_unlock(&reorder->lock); pd->processed++; + spin_unlock(&reorder->lock); goto out; } + spin_unlock(&reorder->lock); if (__this_cpu_read(pd->pqueue->cpu_index) == next_queue->cpu_index) { padata = ERR_PTR(-ENODATA); diff --git a/kernel/ptrace.c b/kernel/ptrace.c index 0af9287..266ddcc 100644 --- a/kernel/ptrace.c +++ b/kernel/ptrace.c @@ -184,11 +184,17 @@ static void ptrace_unfreeze_traced(struct task_struct *task) WARN_ON(!task->ptrace || task->parent != current); + /* + * PTRACE_LISTEN can allow ptrace_trap_notify to wake us up remotely. + * Recheck state under the lock to close this race. + */ spin_lock_irq(&task->sighand->siglock); - if (__fatal_signal_pending(task)) - wake_up_state(task, __TASK_TRACED); - else - task->state = TASK_TRACED; + if (task->state == __TASK_TRACED) { + if (__fatal_signal_pending(task)) + wake_up_state(task, __TASK_TRACED); + else + task->state = TASK_TRACED; + } spin_unlock_irq(&task->sighand->siglock); } diff --git a/kernel/sched/clock.c b/kernel/sched/clock.c index a08795e..00a45c4 100644 --- a/kernel/sched/clock.c +++ b/kernel/sched/clock.c @@ -96,10 +96,10 @@ static DEFINE_STATIC_KEY_FALSE(__sched_clock_stable); static int __sched_clock_stable_early = 1; /* - * We want: ktime_get_ns() + gtod_offset == sched_clock() + raw_offset + * We want: ktime_get_ns() + __gtod_offset == sched_clock() + __sched_clock_offset */ -static __read_mostly u64 raw_offset; -static __read_mostly u64 gtod_offset; +__read_mostly u64 __sched_clock_offset; +static __read_mostly u64 __gtod_offset; struct sched_clock_data { u64 tick_raw; @@ -131,17 +131,24 @@ static void __set_sched_clock_stable(void) /* * Attempt to make the (initial) unstable->stable transition continuous. */ - raw_offset = (scd->tick_gtod + gtod_offset) - (scd->tick_raw); + __sched_clock_offset = (scd->tick_gtod + __gtod_offset) - (scd->tick_raw); printk(KERN_INFO "sched_clock: Marking stable (%lld, %lld)->(%lld, %lld)\n", - scd->tick_gtod, gtod_offset, - scd->tick_raw, raw_offset); + scd->tick_gtod, __gtod_offset, + scd->tick_raw, __sched_clock_offset); static_branch_enable(&__sched_clock_stable); tick_dep_clear(TICK_DEP_BIT_CLOCK_UNSTABLE); } -static void __clear_sched_clock_stable(struct work_struct *work) +static void __sched_clock_work(struct work_struct *work) +{ + static_branch_disable(&__sched_clock_stable); +} + +static DECLARE_WORK(sched_clock_work, __sched_clock_work); + +static void __clear_sched_clock_stable(void) { struct sched_clock_data *scd = this_scd(); @@ -154,17 +161,17 @@ static void __clear_sched_clock_stable(struct work_struct *work) * * Still do what we can. */ - gtod_offset = (scd->tick_raw + raw_offset) - (scd->tick_gtod); + __gtod_offset = (scd->tick_raw + __sched_clock_offset) - (scd->tick_gtod); printk(KERN_INFO "sched_clock: Marking unstable (%lld, %lld)<-(%lld, %lld)\n", - scd->tick_gtod, gtod_offset, - scd->tick_raw, raw_offset); + scd->tick_gtod, __gtod_offset, + scd->tick_raw, __sched_clock_offset); - static_branch_disable(&__sched_clock_stable); tick_dep_set(TICK_DEP_BIT_CLOCK_UNSTABLE); -} -static DECLARE_WORK(sched_clock_work, __clear_sched_clock_stable); + if (sched_clock_stable()) + schedule_work(&sched_clock_work); +} void clear_sched_clock_stable(void) { @@ -173,7 +180,7 @@ void clear_sched_clock_stable(void) smp_mb(); /* matches sched_clock_init_late() */ if (sched_clock_running == 2) - schedule_work(&sched_clock_work); + __clear_sched_clock_stable(); } void sched_clock_init_late(void) @@ -214,7 +221,7 @@ static inline u64 wrap_max(u64 x, u64 y) */ static u64 sched_clock_local(struct sched_clock_data *scd) { - u64 now, clock, old_clock, min_clock, max_clock; + u64 now, clock, old_clock, min_clock, max_clock, gtod; s64 delta; again: @@ -231,9 +238,10 @@ again: * scd->tick_gtod + TICK_NSEC); */ - clock = scd->tick_gtod + gtod_offset + delta; - min_clock = wrap_max(scd->tick_gtod, old_clock); - max_clock = wrap_max(old_clock, scd->tick_gtod + TICK_NSEC); + gtod = scd->tick_gtod + __gtod_offset; + clock = gtod + delta; + min_clock = wrap_max(gtod, old_clock); + max_clock = wrap_max(old_clock, gtod + TICK_NSEC); clock = wrap_max(clock, min_clock); clock = wrap_min(clock, max_clock); @@ -317,7 +325,7 @@ u64 sched_clock_cpu(int cpu) u64 clock; if (sched_clock_stable()) - return sched_clock() + raw_offset; + return sched_clock() + __sched_clock_offset; if (unlikely(!sched_clock_running)) return 0ull; diff --git a/kernel/sched/cpufreq_schedutil.c b/kernel/sched/cpufreq_schedutil.c index cd7cd48..54c5775 100644 --- a/kernel/sched/cpufreq_schedutil.c +++ b/kernel/sched/cpufreq_schedutil.c @@ -584,20 +584,14 @@ static int sugov_start(struct cpufreq_policy *policy) for_each_cpu(cpu, policy->cpus) { struct sugov_cpu *sg_cpu = &per_cpu(sugov_cpu, cpu); + memset(sg_cpu, 0, sizeof(*sg_cpu)); sg_cpu->sg_policy = sg_policy; - if (policy_is_shared(policy)) { - sg_cpu->util = 0; - sg_cpu->max = 0; - sg_cpu->flags = SCHED_CPUFREQ_RT; - sg_cpu->last_update = 0; - sg_cpu->iowait_boost = 0; - sg_cpu->iowait_boost_max = policy->cpuinfo.max_freq; - cpufreq_add_update_util_hook(cpu, &sg_cpu->update_util, - sugov_update_shared); - } else { - cpufreq_add_update_util_hook(cpu, &sg_cpu->update_util, - sugov_update_single); - } + sg_cpu->flags = SCHED_CPUFREQ_RT; + sg_cpu->iowait_boost_max = policy->cpuinfo.max_freq; + cpufreq_add_update_util_hook(cpu, &sg_cpu->update_util, + policy_is_shared(policy) ? + sugov_update_shared : + sugov_update_single); } return 0; } diff --git a/kernel/sched/deadline.c b/kernel/sched/deadline.c index 99b2c33..a2ce590 100644 --- a/kernel/sched/deadline.c +++ b/kernel/sched/deadline.c @@ -445,13 +445,13 @@ static void replenish_dl_entity(struct sched_dl_entity *dl_se, * * This function returns true if: * - * runtime / (deadline - t) > dl_runtime / dl_period , + * runtime / (deadline - t) > dl_runtime / dl_deadline , * * IOW we can't recycle current parameters. * - * Notice that the bandwidth check is done against the period. For + * Notice that the bandwidth check is done against the deadline. For * task with deadline equal to period this is the same of using - * dl_deadline instead of dl_period in the equation above. + * dl_period instead of dl_deadline in the equation above. */ static bool dl_entity_overflow(struct sched_dl_entity *dl_se, struct sched_dl_entity *pi_se, u64 t) @@ -476,7 +476,7 @@ static bool dl_entity_overflow(struct sched_dl_entity *dl_se, * of anything below microseconds resolution is actually fiction * (but still we want to give the user that illusion >;). */ - left = (pi_se->dl_period >> DL_SCALE) * (dl_se->runtime >> DL_SCALE); + left = (pi_se->dl_deadline >> DL_SCALE) * (dl_se->runtime >> DL_SCALE); right = ((dl_se->deadline - t) >> DL_SCALE) * (pi_se->dl_runtime >> DL_SCALE); @@ -505,10 +505,15 @@ static void update_dl_entity(struct sched_dl_entity *dl_se, } } +static inline u64 dl_next_period(struct sched_dl_entity *dl_se) +{ + return dl_se->deadline - dl_se->dl_deadline + dl_se->dl_period; +} + /* * If the entity depleted all its runtime, and if we want it to sleep * while waiting for some new execution time to become available, we - * set the bandwidth enforcement timer to the replenishment instant + * set the bandwidth replenishment timer to the replenishment instant * and try to activate it. * * Notice that it is important for the caller to know if the timer @@ -530,7 +535,7 @@ static int start_dl_timer(struct task_struct *p) * that it is actually coming from rq->clock and not from * hrtimer's time base reading. */ - act = ns_to_ktime(dl_se->deadline); + act = ns_to_ktime(dl_next_period(dl_se)); now = hrtimer_cb_get_time(timer); delta = ktime_to_ns(now) - rq_clock(rq); act = ktime_add_ns(act, delta); @@ -638,6 +643,7 @@ static enum hrtimer_restart dl_task_timer(struct hrtimer *timer) lockdep_unpin_lock(&rq->lock, rf.cookie); rq = dl_task_offline_migration(rq, p); rf.cookie = lockdep_pin_lock(&rq->lock); + update_rq_clock(rq); /* * Now that the task has been migrated to the new RQ and we @@ -689,6 +695,37 @@ void init_dl_task_timer(struct sched_dl_entity *dl_se) timer->function = dl_task_timer; } +/* + * During the activation, CBS checks if it can reuse the current task's + * runtime and period. If the deadline of the task is in the past, CBS + * cannot use the runtime, and so it replenishes the task. This rule + * works fine for implicit deadline tasks (deadline == period), and the + * CBS was designed for implicit deadline tasks. However, a task with + * constrained deadline (deadine < period) might be awakened after the + * deadline, but before the next period. In this case, replenishing the + * task would allow it to run for runtime / deadline. As in this case + * deadline < period, CBS enables a task to run for more than the + * runtime / period. In a very loaded system, this can cause a domino + * effect, making other tasks miss their deadlines. + * + * To avoid this problem, in the activation of a constrained deadline + * task after the deadline but before the next period, throttle the + * task and set the replenishing timer to the begin of the next period, + * unless it is boosted. + */ +static inline void dl_check_constrained_dl(struct sched_dl_entity *dl_se) +{ + struct task_struct *p = dl_task_of(dl_se); + struct rq *rq = rq_of_dl_rq(dl_rq_of_se(dl_se)); + + if (dl_time_before(dl_se->deadline, rq_clock(rq)) && + dl_time_before(rq_clock(rq), dl_next_period(dl_se))) { + if (unlikely(dl_se->dl_boosted || !start_dl_timer(p))) + return; + dl_se->dl_throttled = 1; + } +} + static int dl_runtime_exceeded(struct sched_dl_entity *dl_se) { @@ -922,6 +959,11 @@ static void dequeue_dl_entity(struct sched_dl_entity *dl_se) __dequeue_dl_entity(dl_se); } +static inline bool dl_is_constrained(struct sched_dl_entity *dl_se) +{ + return dl_se->dl_deadline < dl_se->dl_period; +} + static void enqueue_task_dl(struct rq *rq, struct task_struct *p, int flags) { struct task_struct *pi_task = rt_mutex_get_top_task(p); @@ -948,6 +990,15 @@ static void enqueue_task_dl(struct rq *rq, struct task_struct *p, int flags) } /* + * Check if a constrained deadline task was activated + * after the deadline but before the next period. + * If that is the case, the task will be throttled and + * the replenishment timer will be set to the next period. + */ + if (!p->dl.dl_throttled && dl_is_constrained(&p->dl)) + dl_check_constrained_dl(&p->dl); + + /* * If p is throttled, we do nothing. In fact, if it exhausted * its budget it needs a replenishment and, since it now is on * its rq, the bandwidth timer callback (which clearly has not diff --git a/kernel/sched/loadavg.c b/kernel/sched/loadavg.c index 7296b73..f15fb2b 100644 --- a/kernel/sched/loadavg.c +++ b/kernel/sched/loadavg.c @@ -169,7 +169,7 @@ static inline int calc_load_write_idx(void) * If the folding window started, make sure we start writing in the * next idle-delta. */ - if (!time_before(jiffies, calc_load_update)) + if (!time_before(jiffies, READ_ONCE(calc_load_update))) idx++; return idx & 1; @@ -202,8 +202,9 @@ void calc_load_exit_idle(void) struct rq *this_rq = this_rq(); /* - * If we're still before the sample window, we're done. + * If we're still before the pending sample window, we're done. */ + this_rq->calc_load_update = READ_ONCE(calc_load_update); if (time_before(jiffies, this_rq->calc_load_update)) return; @@ -212,7 +213,6 @@ void calc_load_exit_idle(void) * accounted through the nohz accounting, so skip the entire deal and * sync up for the next window. */ - this_rq->calc_load_update = calc_load_update; if (time_before(jiffies, this_rq->calc_load_update + 10)) this_rq->calc_load_update += LOAD_FREQ; } @@ -308,13 +308,15 @@ calc_load_n(unsigned long load, unsigned long exp, */ static void calc_global_nohz(void) { + unsigned long sample_window; long delta, active, n; - if (!time_before(jiffies, calc_load_update + 10)) { + sample_window = READ_ONCE(calc_load_update); + if (!time_before(jiffies, sample_window + 10)) { /* * Catch-up, fold however many we are behind still */ - delta = jiffies - calc_load_update - 10; + delta = jiffies - sample_window - 10; n = 1 + (delta / LOAD_FREQ); active = atomic_long_read(&calc_load_tasks); @@ -324,7 +326,7 @@ static void calc_global_nohz(void) avenrun[1] = calc_load_n(avenrun[1], EXP_5, active, n); avenrun[2] = calc_load_n(avenrun[2], EXP_15, active, n); - calc_load_update += n * LOAD_FREQ; + WRITE_ONCE(calc_load_update, sample_window + n * LOAD_FREQ); } /* @@ -352,9 +354,11 @@ static inline void calc_global_nohz(void) { } */ void calc_global_load(unsigned long ticks) { + unsigned long sample_window; long active, delta; - if (time_before(jiffies, calc_load_update + 10)) + sample_window = READ_ONCE(calc_load_update); + if (time_before(jiffies, sample_window + 10)) return; /* @@ -371,7 +375,7 @@ void calc_global_load(unsigned long ticks) avenrun[1] = calc_load(avenrun[1], EXP_5, active); avenrun[2] = calc_load(avenrun[2], EXP_15, active); - calc_load_update += LOAD_FREQ; + WRITE_ONCE(calc_load_update, sample_window + LOAD_FREQ); /* * In case we idled for multiple LOAD_FREQ intervals, catch up in bulk. diff --git a/kernel/sysctl.c b/kernel/sysctl.c index acf0a5a..8c8714f 100644 --- a/kernel/sysctl.c +++ b/kernel/sysctl.c @@ -2133,9 +2133,12 @@ static int do_proc_douintvec_conv(bool *negp, unsigned long *lvalp, if (write) { if (*negp) return -EINVAL; + if (*lvalp > UINT_MAX) + return -EINVAL; *valp = *lvalp; } else { unsigned int val = *valp; + *negp = false; *lvalp = (unsigned long)val; } return 0; diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c index b9691ee..27bb2e6 100644 --- a/kernel/trace/ftrace.c +++ b/kernel/trace/ftrace.c @@ -3755,23 +3755,24 @@ static void __enable_ftrace_function_probe(struct ftrace_ops_hash *old_hash) ftrace_probe_registered = 1; } -static void __disable_ftrace_function_probe(void) +static bool __disable_ftrace_function_probe(void) { int i; if (!ftrace_probe_registered) - return; + return false; for (i = 0; i < FTRACE_FUNC_HASHSIZE; i++) { struct hlist_head *hhd = &ftrace_func_hash[i]; if (hhd->first) - return; + return false; } /* no more funcs left */ ftrace_shutdown(&trace_probe_ops, 0); ftrace_probe_registered = 0; + return true; } @@ -3901,6 +3902,7 @@ static void __unregister_ftrace_function_probe(char *glob, struct ftrace_probe_ops *ops, void *data, int flags) { + struct ftrace_ops_hash old_hash_ops; struct ftrace_func_entry *rec_entry; struct ftrace_func_probe *entry; struct ftrace_func_probe *p; @@ -3912,6 +3914,7 @@ __unregister_ftrace_function_probe(char *glob, struct ftrace_probe_ops *ops, struct hlist_node *tmp; char str[KSYM_SYMBOL_LEN]; int i, ret; + bool disabled; if (glob && (strcmp(glob, "*") == 0 || !strlen(glob))) func_g.search = NULL; @@ -3930,6 +3933,10 @@ __unregister_ftrace_function_probe(char *glob, struct ftrace_probe_ops *ops, mutex_lock(&trace_probe_ops.func_hash->regex_lock); + old_hash_ops.filter_hash = old_hash; + /* Probes only have filters */ + old_hash_ops.notrace_hash = NULL; + hash = alloc_and_copy_ftrace_hash(FTRACE_HASH_DEFAULT_BITS, *orig_hash); if (!hash) /* Hmm, should report this somehow */ @@ -3967,12 +3974,17 @@ __unregister_ftrace_function_probe(char *glob, struct ftrace_probe_ops *ops, } } mutex_lock(&ftrace_lock); - __disable_ftrace_function_probe(); + disabled = __disable_ftrace_function_probe(); /* * Remove after the disable is called. Otherwise, if the last * probe is removed, a null hash means *all enabled*. */ ret = ftrace_hash_move(&trace_probe_ops, 1, orig_hash, hash); + + /* still need to update the function call sites */ + if (ftrace_enabled && !disabled) + ftrace_run_modify_code(&trace_probe_ops, FTRACE_UPDATE_CALLS, + &old_hash_ops); synchronize_sched(); if (!ret) free_ftrace_hash_rcu(old_hash); diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c index 96fc3c0..54e7a90 100644 --- a/kernel/trace/ring_buffer.c +++ b/kernel/trace/ring_buffer.c @@ -4826,9 +4826,9 @@ static __init int test_ringbuffer(void) rb_data[cpu].cnt = cpu; rb_threads[cpu] = kthread_create(rb_test, &rb_data[cpu], "rbtester/%d", cpu); - if (WARN_ON(!rb_threads[cpu])) { + if (WARN_ON(IS_ERR(rb_threads[cpu]))) { pr_cont("FAILED\n"); - ret = -1; + ret = PTR_ERR(rb_threads[cpu]); goto out_free; } @@ -4838,9 +4838,9 @@ static __init int test_ringbuffer(void) /* Now create the rb hammer! */ rb_hammer = kthread_run(rb_hammer_test, NULL, "rbhammer"); - if (WARN_ON(!rb_hammer)) { + if (WARN_ON(IS_ERR(rb_hammer))) { pr_cont("FAILED\n"); - ret = -1; + ret = PTR_ERR(rb_hammer); goto out_free; } diff --git a/kernel/workqueue.c b/kernel/workqueue.c index 072cbc9..c0168b7 100644 --- a/kernel/workqueue.c +++ b/kernel/workqueue.c @@ -1507,6 +1507,7 @@ static void __queue_delayed_work(int cpu, struct workqueue_struct *wq, struct timer_list *timer = &dwork->timer; struct work_struct *work = &dwork->work; + WARN_ON_ONCE(!wq); WARN_ON_ONCE(timer->function != delayed_work_timer_fn || timer->data != (unsigned long)dwork); WARN_ON_ONCE(timer_pending(timer)); diff --git a/lib/iov_iter.c b/lib/iov_iter.c index e68604a..60abc44 100644 --- a/lib/iov_iter.c +++ b/lib/iov_iter.c @@ -786,6 +786,68 @@ void iov_iter_advance(struct iov_iter *i, size_t size) } EXPORT_SYMBOL(iov_iter_advance); +void iov_iter_revert(struct iov_iter *i, size_t unroll) +{ + if (!unroll) + return; + i->count += unroll; + if (unlikely(i->type & ITER_PIPE)) { + struct pipe_inode_info *pipe = i->pipe; + int idx = i->idx; + size_t off = i->iov_offset; + while (1) { + size_t n = off - pipe->bufs[idx].offset; + if (unroll < n) { + off -= (n - unroll); + break; + } + unroll -= n; + if (!unroll && idx == i->start_idx) { + off = 0; + break; + } + if (!idx--) + idx = pipe->buffers - 1; + off = pipe->bufs[idx].offset + pipe->bufs[idx].len; + } + i->iov_offset = off; + i->idx = idx; + pipe_truncate(i); + return; + } + if (unroll <= i->iov_offset) { + i->iov_offset -= unroll; + return; + } + unroll -= i->iov_offset; + if (i->type & ITER_BVEC) { + const struct bio_vec *bvec = i->bvec; + while (1) { + size_t n = (--bvec)->bv_len; + i->nr_segs++; + if (unroll <= n) { + i->bvec = bvec; + i->iov_offset = n - unroll; + return; + } + unroll -= n; + } + } else { /* same logics for iovec and kvec */ + const struct iovec *iov = i->iov; + while (1) { + size_t n = (--iov)->iov_len; + i->nr_segs++; + if (unroll <= n) { + i->iov = iov; + i->iov_offset = n - unroll; + return; + } + unroll -= n; + } + } +} +EXPORT_SYMBOL(iov_iter_revert); + /* * Return the count of just the current iov_iter segment. */ @@ -839,6 +901,7 @@ void iov_iter_pipe(struct iov_iter *i, int direction, i->idx = (pipe->curbuf + pipe->nrbufs) & (pipe->buffers - 1); i->iov_offset = 0; i->count = count; + i->start_idx = i->idx; } EXPORT_SYMBOL(iov_iter_pipe); diff --git a/lib/syscall.c b/lib/syscall.c index 17d5ff5..2c6cd1b 100644 --- a/lib/syscall.c +++ b/lib/syscall.c @@ -12,6 +12,7 @@ static int collect_syscall(struct task_struct *target, long *callno, if (!try_get_task_stack(target)) { /* Task has no stack, so the task isn't in a syscall. */ + *sp = *pc = 0; *callno = -1; return 0; } diff --git a/lib/test_kasan.c b/lib/test_kasan.c index 0b1d314..a25c976 100644 --- a/lib/test_kasan.c +++ b/lib/test_kasan.c @@ -20,6 +20,7 @@ #include <linux/string.h> #include <linux/uaccess.h> #include <linux/module.h> +#include <linux/kasan.h> /* * Note: test functions are marked noinline so that their names appear in @@ -474,6 +475,12 @@ static noinline void __init use_after_scope_test(void) static int __init kmalloc_tests_init(void) { + /* + * Temporarily enable multi-shot mode. Otherwise, we'd only get a + * report for the first case. + */ + bool multishot = kasan_save_enable_multi_shot(); + kmalloc_oob_right(); kmalloc_oob_left(); kmalloc_node_oob_right(); @@ -499,6 +506,9 @@ static int __init kmalloc_tests_init(void) ksize_unpoisons_memory(); copy_user_test(); use_after_scope_test(); + + kasan_restore_multi_shot(multishot); + return -EAGAIN; } @@ -1455,7 +1455,7 @@ static int gup_p4d_range(pgd_t pgd, unsigned long addr, unsigned long end, if (!gup_huge_pd(__hugepd(p4d_val(p4d)), addr, P4D_SHIFT, next, write, pages, nr)) return 0; - } else if (!gup_p4d_range(p4d, addr, next, write, pages, nr)) + } else if (!gup_pud_range(p4d, addr, next, write, pages, nr)) return 0; } while (p4dp++, addr = next, addr != end); diff --git a/mm/huge_memory.c b/mm/huge_memory.c index 1ebc93e..f3c4f9d 100644 --- a/mm/huge_memory.c +++ b/mm/huge_memory.c @@ -240,18 +240,18 @@ static ssize_t defrag_store(struct kobject *kobj, clear_bit(TRANSPARENT_HUGEPAGE_DEFRAG_KSWAPD_OR_MADV_FLAG, &transparent_hugepage_flags); clear_bit(TRANSPARENT_HUGEPAGE_DEFRAG_REQ_MADV_FLAG, &transparent_hugepage_flags); set_bit(TRANSPARENT_HUGEPAGE_DEFRAG_DIRECT_FLAG, &transparent_hugepage_flags); - } else if (!memcmp("defer", buf, - min(sizeof("defer")-1, count))) { - clear_bit(TRANSPARENT_HUGEPAGE_DEFRAG_DIRECT_FLAG, &transparent_hugepage_flags); - clear_bit(TRANSPARENT_HUGEPAGE_DEFRAG_KSWAPD_OR_MADV_FLAG, &transparent_hugepage_flags); - clear_bit(TRANSPARENT_HUGEPAGE_DEFRAG_REQ_MADV_FLAG, &transparent_hugepage_flags); - set_bit(TRANSPARENT_HUGEPAGE_DEFRAG_KSWAPD_FLAG, &transparent_hugepage_flags); } else if (!memcmp("defer+madvise", buf, min(sizeof("defer+madvise")-1, count))) { clear_bit(TRANSPARENT_HUGEPAGE_DEFRAG_DIRECT_FLAG, &transparent_hugepage_flags); clear_bit(TRANSPARENT_HUGEPAGE_DEFRAG_KSWAPD_FLAG, &transparent_hugepage_flags); clear_bit(TRANSPARENT_HUGEPAGE_DEFRAG_REQ_MADV_FLAG, &transparent_hugepage_flags); set_bit(TRANSPARENT_HUGEPAGE_DEFRAG_KSWAPD_OR_MADV_FLAG, &transparent_hugepage_flags); + } else if (!memcmp("defer", buf, + min(sizeof("defer")-1, count))) { + clear_bit(TRANSPARENT_HUGEPAGE_DEFRAG_DIRECT_FLAG, &transparent_hugepage_flags); + clear_bit(TRANSPARENT_HUGEPAGE_DEFRAG_KSWAPD_OR_MADV_FLAG, &transparent_hugepage_flags); + clear_bit(TRANSPARENT_HUGEPAGE_DEFRAG_REQ_MADV_FLAG, &transparent_hugepage_flags); + set_bit(TRANSPARENT_HUGEPAGE_DEFRAG_KSWAPD_FLAG, &transparent_hugepage_flags); } else if (!memcmp("madvise", buf, min(sizeof("madvise")-1, count))) { clear_bit(TRANSPARENT_HUGEPAGE_DEFRAG_DIRECT_FLAG, &transparent_hugepage_flags); @@ -1568,8 +1568,7 @@ bool madvise_free_huge_pmd(struct mmu_gather *tlb, struct vm_area_struct *vma, deactivate_page(page); if (pmd_young(orig_pmd) || pmd_dirty(orig_pmd)) { - orig_pmd = pmdp_huge_get_and_clear_full(tlb->mm, addr, pmd, - tlb->fullmm); + pmdp_invalidate(vma, addr, pmd); orig_pmd = pmd_mkold(orig_pmd); orig_pmd = pmd_mkclean(orig_pmd); @@ -1724,37 +1723,69 @@ int change_huge_pmd(struct vm_area_struct *vma, pmd_t *pmd, { struct mm_struct *mm = vma->vm_mm; spinlock_t *ptl; - int ret = 0; + pmd_t entry; + bool preserve_write; + int ret; ptl = __pmd_trans_huge_lock(pmd, vma); - if (ptl) { - pmd_t entry; - bool preserve_write = prot_numa && pmd_write(*pmd); - ret = 1; + if (!ptl) + return 0; - /* - * Avoid trapping faults against the zero page. The read-only - * data is likely to be read-cached on the local CPU and - * local/remote hits to the zero page are not interesting. - */ - if (prot_numa && is_huge_zero_pmd(*pmd)) { - spin_unlock(ptl); - return ret; - } + preserve_write = prot_numa && pmd_write(*pmd); + ret = 1; - if (!prot_numa || !pmd_protnone(*pmd)) { - entry = pmdp_huge_get_and_clear_notify(mm, addr, pmd); - entry = pmd_modify(entry, newprot); - if (preserve_write) - entry = pmd_mk_savedwrite(entry); - ret = HPAGE_PMD_NR; - set_pmd_at(mm, addr, pmd, entry); - BUG_ON(vma_is_anonymous(vma) && !preserve_write && - pmd_write(entry)); - } - spin_unlock(ptl); - } + /* + * Avoid trapping faults against the zero page. The read-only + * data is likely to be read-cached on the local CPU and + * local/remote hits to the zero page are not interesting. + */ + if (prot_numa && is_huge_zero_pmd(*pmd)) + goto unlock; + + if (prot_numa && pmd_protnone(*pmd)) + goto unlock; + + /* + * In case prot_numa, we are under down_read(mmap_sem). It's critical + * to not clear pmd intermittently to avoid race with MADV_DONTNEED + * which is also under down_read(mmap_sem): + * + * CPU0: CPU1: + * change_huge_pmd(prot_numa=1) + * pmdp_huge_get_and_clear_notify() + * madvise_dontneed() + * zap_pmd_range() + * pmd_trans_huge(*pmd) == 0 (without ptl) + * // skip the pmd + * set_pmd_at(); + * // pmd is re-established + * + * The race makes MADV_DONTNEED miss the huge pmd and don't clear it + * which may break userspace. + * + * pmdp_invalidate() is required to make sure we don't miss + * dirty/young flags set by hardware. + */ + entry = *pmd; + pmdp_invalidate(vma, addr, pmd); + /* + * Recover dirty/young flags. It relies on pmdp_invalidate to not + * corrupt them. + */ + if (pmd_dirty(*pmd)) + entry = pmd_mkdirty(entry); + if (pmd_young(*pmd)) + entry = pmd_mkyoung(entry); + + entry = pmd_modify(entry, newprot); + if (preserve_write) + entry = pmd_mk_savedwrite(entry); + ret = HPAGE_PMD_NR; + set_pmd_at(mm, addr, pmd, entry); + BUG_ON(vma_is_anonymous(vma) && !preserve_write && pmd_write(entry)); +unlock: + spin_unlock(ptl); return ret; } diff --git a/mm/hugetlb.c b/mm/hugetlb.c index 3d0aab9..e582887 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -4403,7 +4403,9 @@ int hugetlb_reserve_pages(struct inode *inode, return 0; out_err: if (!vma || vma->vm_flags & VM_MAYSHARE) - region_abort(resv_map, from, to); + /* Don't call region_abort if region_chg failed */ + if (chg >= 0) + region_abort(resv_map, from, to); if (vma && is_vma_resv_set(vma, HPAGE_RESV_OWNER)) kref_put(&resv_map->refs, resv_map_release); return ret; @@ -4651,6 +4653,7 @@ follow_huge_pmd(struct mm_struct *mm, unsigned long address, { struct page *page = NULL; spinlock_t *ptl; + pte_t pte; retry: ptl = pmd_lockptr(mm, pmd); spin_lock(ptl); @@ -4660,12 +4663,13 @@ retry: */ if (!pmd_huge(*pmd)) goto out; - if (pmd_present(*pmd)) { + pte = huge_ptep_get((pte_t *)pmd); + if (pte_present(pte)) { page = pmd_page(*pmd) + ((address & ~PMD_MASK) >> PAGE_SHIFT); if (flags & FOLL_GET) get_page(page); } else { - if (is_hugetlb_entry_migration(huge_ptep_get((pte_t *)pmd))) { + if (is_hugetlb_entry_migration(pte)) { spin_unlock(ptl); __migration_entry_wait(mm, (pte_t *)pmd, ptl); goto retry; diff --git a/mm/internal.h b/mm/internal.h index ccfc2a2..266efae 100644 --- a/mm/internal.h +++ b/mm/internal.h @@ -481,6 +481,13 @@ unsigned long reclaim_clean_pages_from_list(struct zone *zone, enum ttu_flags; struct tlbflush_unmap_batch; + +/* + * only for MM internal work items which do not depend on + * any allocations or locks which might depend on allocations + */ +extern struct workqueue_struct *mm_percpu_wq; + #ifdef CONFIG_ARCH_WANT_BATCHED_UNMAP_TLB_FLUSH void try_to_unmap_flush(void); void try_to_unmap_flush_dirty(void); diff --git a/mm/kasan/kasan.h b/mm/kasan/kasan.h index 1c260e6..dd2dea8 100644 --- a/mm/kasan/kasan.h +++ b/mm/kasan/kasan.h @@ -96,11 +96,6 @@ static inline const void *kasan_shadow_to_mem(const void *shadow_addr) << KASAN_SHADOW_SCALE_SHIFT); } -static inline bool kasan_report_enabled(void) -{ - return !current->kasan_depth; -} - void kasan_report(unsigned long addr, size_t size, bool is_write, unsigned long ip); void kasan_report_double_free(struct kmem_cache *cache, void *object, diff --git a/mm/kasan/report.c b/mm/kasan/report.c index f479365..ab42a08 100644 --- a/mm/kasan/report.c +++ b/mm/kasan/report.c @@ -13,7 +13,9 @@ * */ +#include <linux/bitops.h> #include <linux/ftrace.h> +#include <linux/init.h> #include <linux/kernel.h> #include <linux/mm.h> #include <linux/printk.h> @@ -293,6 +295,40 @@ static void kasan_report_error(struct kasan_access_info *info) kasan_end_report(&flags); } +static unsigned long kasan_flags; + +#define KASAN_BIT_REPORTED 0 +#define KASAN_BIT_MULTI_SHOT 1 + +bool kasan_save_enable_multi_shot(void) +{ + return test_and_set_bit(KASAN_BIT_MULTI_SHOT, &kasan_flags); +} +EXPORT_SYMBOL_GPL(kasan_save_enable_multi_shot); + +void kasan_restore_multi_shot(bool enabled) +{ + if (!enabled) + clear_bit(KASAN_BIT_MULTI_SHOT, &kasan_flags); +} +EXPORT_SYMBOL_GPL(kasan_restore_multi_shot); + +static int __init kasan_set_multi_shot(char *str) +{ + set_bit(KASAN_BIT_MULTI_SHOT, &kasan_flags); + return 1; +} +__setup("kasan_multi_shot", kasan_set_multi_shot); + +static inline bool kasan_report_enabled(void) +{ + if (current->kasan_depth) + return false; + if (test_bit(KASAN_BIT_MULTI_SHOT, &kasan_flags)) + return true; + return !test_and_set_bit(KASAN_BIT_REPORTED, &kasan_flags); +} + void kasan_report(unsigned long addr, size_t size, bool is_write, unsigned long ip) { diff --git a/mm/kmemleak.c b/mm/kmemleak.c index 26c874e..20036d4 100644 --- a/mm/kmemleak.c +++ b/mm/kmemleak.c @@ -1416,7 +1416,7 @@ static void kmemleak_scan(void) /* data/bss scanning */ scan_large_block(_sdata, _edata); scan_large_block(__bss_start, __bss_stop); - scan_large_block(__start_data_ro_after_init, __end_data_ro_after_init); + scan_large_block(__start_ro_after_init, __end_ro_after_init); #ifdef CONFIG_SMP /* per-cpu sections scanning */ diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c index 295479b..6fa7208 100644 --- a/mm/memory_hotplug.c +++ b/mm/memory_hotplug.c @@ -125,9 +125,12 @@ void put_online_mems(void) } +/* Serializes write accesses to mem_hotplug.active_writer. */ +static DEFINE_MUTEX(memory_add_remove_lock); + void mem_hotplug_begin(void) { - assert_held_device_hotplug(); + mutex_lock(&memory_add_remove_lock); mem_hotplug.active_writer = current; @@ -147,6 +150,7 @@ void mem_hotplug_done(void) mem_hotplug.active_writer = NULL; mutex_unlock(&mem_hotplug.lock); memhp_lock_release(); + mutex_unlock(&memory_add_remove_lock); } /* add this memory to iomem resource */ diff --git a/mm/mempolicy.c b/mm/mempolicy.c index 75b2745b..37d0b33 100644 --- a/mm/mempolicy.c +++ b/mm/mempolicy.c @@ -1529,7 +1529,6 @@ COMPAT_SYSCALL_DEFINE5(get_mempolicy, int __user *, policy, COMPAT_SYSCALL_DEFINE3(set_mempolicy, int, mode, compat_ulong_t __user *, nmask, compat_ulong_t, maxnode) { - long err = 0; unsigned long __user *nm = NULL; unsigned long nr_bits, alloc_size; DECLARE_BITMAP(bm, MAX_NUMNODES); @@ -1538,14 +1537,13 @@ COMPAT_SYSCALL_DEFINE3(set_mempolicy, int, mode, compat_ulong_t __user *, nmask, alloc_size = ALIGN(nr_bits, BITS_PER_LONG) / 8; if (nmask) { - err = compat_get_bitmap(bm, nmask, nr_bits); + if (compat_get_bitmap(bm, nmask, nr_bits)) + return -EFAULT; nm = compat_alloc_user_space(alloc_size); - err |= copy_to_user(nm, bm, alloc_size); + if (copy_to_user(nm, bm, alloc_size)) + return -EFAULT; } - if (err) - return -EFAULT; - return sys_set_mempolicy(mode, nm, nr_bits+1); } @@ -1553,7 +1551,6 @@ COMPAT_SYSCALL_DEFINE6(mbind, compat_ulong_t, start, compat_ulong_t, len, compat_ulong_t, mode, compat_ulong_t __user *, nmask, compat_ulong_t, maxnode, compat_ulong_t, flags) { - long err = 0; unsigned long __user *nm = NULL; unsigned long nr_bits, alloc_size; nodemask_t bm; @@ -1562,14 +1559,13 @@ COMPAT_SYSCALL_DEFINE6(mbind, compat_ulong_t, start, compat_ulong_t, len, alloc_size = ALIGN(nr_bits, BITS_PER_LONG) / 8; if (nmask) { - err = compat_get_bitmap(nodes_addr(bm), nmask, nr_bits); + if (compat_get_bitmap(nodes_addr(bm), nmask, nr_bits)) + return -EFAULT; nm = compat_alloc_user_space(alloc_size); - err |= copy_to_user(nm, nodes_addr(bm), alloc_size); + if (copy_to_user(nm, nodes_addr(bm), alloc_size)) + return -EFAULT; } - if (err) - return -EFAULT; - return sys_mbind(start, len, mode, nm, nr_bits+1, flags); } diff --git a/mm/migrate.c b/mm/migrate.c index 9a0897a..ed97c2c 100644 --- a/mm/migrate.c +++ b/mm/migrate.c @@ -209,8 +209,11 @@ static int remove_migration_pte(struct page *page, struct vm_area_struct *vma, VM_BUG_ON_PAGE(PageTail(page), page); while (page_vma_mapped_walk(&pvmw)) { - new = page - pvmw.page->index + - linear_page_index(vma, pvmw.address); + if (PageKsm(page)) + new = page; + else + new = page - pvmw.page->index + + linear_page_index(vma, pvmw.address); get_page(new); pte = pte_mkold(mk_pte(new, READ_ONCE(vma->vm_page_prot))); diff --git a/mm/page_alloc.c b/mm/page_alloc.c index 6cbde31..f3d603c 100644 --- a/mm/page_alloc.c +++ b/mm/page_alloc.c @@ -2373,6 +2373,13 @@ void drain_all_pages(struct zone *zone) */ static cpumask_t cpus_with_pcps; + /* + * Make sure nobody triggers this path before mm_percpu_wq is fully + * initialized. + */ + if (WARN_ON_ONCE(!mm_percpu_wq)) + return; + /* Workqueues cannot recurse */ if (current->flags & PF_WQ_WORKER) return; @@ -2422,7 +2429,7 @@ void drain_all_pages(struct zone *zone) for_each_cpu(cpu, &cpus_with_pcps) { struct work_struct *work = per_cpu_ptr(&pcpu_drain, cpu); INIT_WORK(work, drain_local_pages_wq); - schedule_work_on(cpu, work); + queue_work_on(cpu, mm_percpu_wq, work); } for_each_cpu(cpu, &cpus_with_pcps) flush_work(per_cpu_ptr(&pcpu_drain, cpu)); @@ -4519,13 +4526,13 @@ void show_free_areas(unsigned int filter, nodemask_t *nodemask) K(node_page_state(pgdat, NR_FILE_MAPPED)), K(node_page_state(pgdat, NR_FILE_DIRTY)), K(node_page_state(pgdat, NR_WRITEBACK)), + K(node_page_state(pgdat, NR_SHMEM)), #ifdef CONFIG_TRANSPARENT_HUGEPAGE K(node_page_state(pgdat, NR_SHMEM_THPS) * HPAGE_PMD_NR), K(node_page_state(pgdat, NR_SHMEM_PMDMAPPED) * HPAGE_PMD_NR), K(node_page_state(pgdat, NR_ANON_THPS) * HPAGE_PMD_NR), #endif - K(node_page_state(pgdat, NR_SHMEM)), K(node_page_state(pgdat, NR_WRITEBACK_TEMP)), K(node_page_state(pgdat, NR_UNSTABLE_NFS)), node_page_state(pgdat, NR_PAGES_SCANNED), diff --git a/mm/page_vma_mapped.c b/mm/page_vma_mapped.c index c4c9def..de9c40d 100644 --- a/mm/page_vma_mapped.c +++ b/mm/page_vma_mapped.c @@ -111,12 +111,8 @@ bool page_vma_mapped_walk(struct page_vma_mapped_walk *pvmw) if (pvmw->pmd && !pvmw->pte) return not_found(pvmw); - /* Only for THP, seek to next pte entry makes sense */ - if (pvmw->pte) { - if (!PageTransHuge(pvmw->page) || PageHuge(pvmw->page)) - return not_found(pvmw); + if (pvmw->pte) goto next_pte; - } if (unlikely(PageHuge(pvmw->page))) { /* when pud is not present, pte will be NULL */ @@ -165,9 +161,14 @@ restart: while (1) { if (check_pte(pvmw)) return true; -next_pte: do { +next_pte: + /* Seek to next pte only makes sense for THP */ + if (!PageTransHuge(pvmw->page) || PageHuge(pvmw->page)) + return not_found(pvmw); + do { pvmw->address += PAGE_SIZE; - if (pvmw->address >= + if (pvmw->address >= pvmw->vma->vm_end || + pvmw->address >= __vma_address(pvmw->page, pvmw->vma) + hpage_nr_pages(pvmw->page) * PAGE_SIZE) return not_found(pvmw); diff --git a/mm/percpu-vm.c b/mm/percpu-vm.c index 538998a..9ac6394 100644 --- a/mm/percpu-vm.c +++ b/mm/percpu-vm.c @@ -21,7 +21,6 @@ static struct page *pcpu_chunk_page(struct pcpu_chunk *chunk, /** * pcpu_get_pages - get temp pages array - * @chunk: chunk of interest * * Returns pointer to array of pointers to struct page which can be indexed * with pcpu_page_idx(). Note that there is only one array and accesses @@ -30,7 +29,7 @@ static struct page *pcpu_chunk_page(struct pcpu_chunk *chunk, * RETURNS: * Pointer to temp pages array on success. */ -static struct page **pcpu_get_pages(struct pcpu_chunk *chunk_alloc) +static struct page **pcpu_get_pages(void) { static struct page **pages; size_t pages_size = pcpu_nr_units * pcpu_unit_pages * sizeof(pages[0]); @@ -275,7 +274,7 @@ static int pcpu_populate_chunk(struct pcpu_chunk *chunk, { struct page **pages; - pages = pcpu_get_pages(chunk); + pages = pcpu_get_pages(); if (!pages) return -ENOMEM; @@ -313,7 +312,7 @@ static void pcpu_depopulate_chunk(struct pcpu_chunk *chunk, * successful population attempt so the temp pages array must * be available now. */ - pages = pcpu_get_pages(chunk); + pages = pcpu_get_pages(); BUG_ON(!pages); /* unmap and free */ diff --git a/mm/percpu.c b/mm/percpu.c index 5696039..60a6488 100644 --- a/mm/percpu.c +++ b/mm/percpu.c @@ -1011,8 +1011,11 @@ area_found: mutex_unlock(&pcpu_alloc_mutex); } - if (chunk != pcpu_reserved_chunk) + if (chunk != pcpu_reserved_chunk) { + spin_lock_irqsave(&pcpu_lock, flags); pcpu_nr_empty_pop_pages -= occ_pages; + spin_unlock_irqrestore(&pcpu_lock, flags); + } if (pcpu_nr_empty_pop_pages < PCPU_EMPTY_POP_PAGES_LOW) pcpu_schedule_balance_work(); @@ -1159,7 +1159,7 @@ void page_add_file_rmap(struct page *page, bool compound) goto out; } __mod_node_page_state(page_pgdat(page), NR_FILE_MAPPED, nr); - mem_cgroup_inc_page_stat(page, MEM_CGROUP_STAT_FILE_MAPPED); + mem_cgroup_update_page_stat(page, MEM_CGROUP_STAT_FILE_MAPPED, nr); out: unlock_page_memcg(page); } @@ -1199,7 +1199,7 @@ static void page_remove_file_rmap(struct page *page, bool compound) * pte lock(a spinlock) is held, which implies preemption disabled. */ __mod_node_page_state(page_pgdat(page), NR_FILE_MAPPED, -nr); - mem_cgroup_dec_page_stat(page, MEM_CGROUP_STAT_FILE_MAPPED); + mem_cgroup_update_page_stat(page, MEM_CGROUP_STAT_FILE_MAPPED, -nr); if (unlikely(PageMlocked(page))) clear_page_mlock(page); @@ -670,30 +670,19 @@ static void lru_add_drain_per_cpu(struct work_struct *dummy) static DEFINE_PER_CPU(struct work_struct, lru_add_drain_work); -/* - * lru_add_drain_wq is used to do lru_add_drain_all() from a WQ_MEM_RECLAIM - * workqueue, aiding in getting memory freed. - */ -static struct workqueue_struct *lru_add_drain_wq; - -static int __init lru_init(void) -{ - lru_add_drain_wq = alloc_workqueue("lru-add-drain", WQ_MEM_RECLAIM, 0); - - if (WARN(!lru_add_drain_wq, - "Failed to create workqueue lru_add_drain_wq")) - return -ENOMEM; - - return 0; -} -early_initcall(lru_init); - void lru_add_drain_all(void) { static DEFINE_MUTEX(lock); static struct cpumask has_work; int cpu; + /* + * Make sure nobody triggers this path before mm_percpu_wq is fully + * initialized. + */ + if (WARN_ON(!mm_percpu_wq)) + return; + mutex_lock(&lock); get_online_cpus(); cpumask_clear(&has_work); @@ -707,7 +696,7 @@ void lru_add_drain_all(void) pagevec_count(&per_cpu(lru_deactivate_pvecs, cpu)) || need_activate_page_drain(cpu)) { INIT_WORK(work, lru_add_drain_per_cpu); - queue_work_on(cpu, lru_add_drain_wq, work); + queue_work_on(cpu, mm_percpu_wq, work); cpumask_set_cpu(cpu, &has_work); } } diff --git a/mm/swap_cgroup.c b/mm/swap_cgroup.c index 310ac0b..ac6318a 100644 --- a/mm/swap_cgroup.c +++ b/mm/swap_cgroup.c @@ -201,6 +201,8 @@ void swap_cgroup_swapoff(int type) struct page *page = map[i]; if (page) __free_page(page); + if (!(i % SWAP_CLUSTER_MAX)) + cond_resched(); } vfree(map); } diff --git a/mm/swap_slots.c b/mm/swap_slots.c index 9b5bc86..b1ccb58 100644 --- a/mm/swap_slots.c +++ b/mm/swap_slots.c @@ -267,8 +267,6 @@ int free_swap_slot(swp_entry_t entry) { struct swap_slots_cache *cache; - BUG_ON(!swap_slot_cache_initialized); - cache = &get_cpu_var(swp_slots); if (use_swap_slot_cache && cache->slots_ret) { spin_lock_irq(&cache->free_lock); diff --git a/mm/vmalloc.c b/mm/vmalloc.c index 0dd8022..0b05762 100644 --- a/mm/vmalloc.c +++ b/mm/vmalloc.c @@ -1683,7 +1683,7 @@ static void *__vmalloc_area_node(struct vm_struct *area, gfp_t gfp_mask, if (fatal_signal_pending(current)) { area->nr_pages = i; - goto fail; + goto fail_no_warn; } if (node == NUMA_NO_NODE) @@ -1709,6 +1709,7 @@ fail: warn_alloc(gfp_mask, NULL, "vmalloc: allocation failure, allocated %ld of %ld bytes", (area->nr_pages*PAGE_SIZE), area->size); +fail_no_warn: vfree(area->addr); return NULL; } diff --git a/mm/vmstat.c b/mm/vmstat.c index b1947f0..809025e 100644 --- a/mm/vmstat.c +++ b/mm/vmstat.c @@ -1552,7 +1552,6 @@ static const struct file_operations proc_vmstat_file_operations = { #endif /* CONFIG_PROC_FS */ #ifdef CONFIG_SMP -static struct workqueue_struct *vmstat_wq; static DEFINE_PER_CPU(struct delayed_work, vmstat_work); int sysctl_stat_interval __read_mostly = HZ; @@ -1623,7 +1622,7 @@ static void vmstat_update(struct work_struct *w) * to occur in the future. Keep on running the * update worker thread. */ - queue_delayed_work_on(smp_processor_id(), vmstat_wq, + queue_delayed_work_on(smp_processor_id(), mm_percpu_wq, this_cpu_ptr(&vmstat_work), round_jiffies_relative(sysctl_stat_interval)); } @@ -1702,7 +1701,7 @@ static void vmstat_shepherd(struct work_struct *w) struct delayed_work *dw = &per_cpu(vmstat_work, cpu); if (!delayed_work_pending(dw) && need_update(cpu)) - queue_delayed_work_on(cpu, vmstat_wq, dw, 0); + queue_delayed_work_on(cpu, mm_percpu_wq, dw, 0); } put_online_cpus(); @@ -1718,7 +1717,6 @@ static void __init start_shepherd_timer(void) INIT_DEFERRABLE_WORK(per_cpu_ptr(&vmstat_work, cpu), vmstat_update); - vmstat_wq = alloc_workqueue("vmstat", WQ_FREEZABLE|WQ_MEM_RECLAIM, 0); schedule_delayed_work(&shepherd, round_jiffies_relative(sysctl_stat_interval)); } @@ -1764,11 +1762,16 @@ static int vmstat_cpu_dead(unsigned int cpu) #endif -static int __init setup_vmstat(void) +struct workqueue_struct *mm_percpu_wq; + +void __init init_mm_internals(void) { -#ifdef CONFIG_SMP - int ret; + int ret __maybe_unused; + + mm_percpu_wq = alloc_workqueue("mm_percpu_wq", + WQ_FREEZABLE|WQ_MEM_RECLAIM, 0); +#ifdef CONFIG_SMP ret = cpuhp_setup_state_nocalls(CPUHP_MM_VMSTAT_DEAD, "mm/vmstat:dead", NULL, vmstat_cpu_dead); if (ret < 0) @@ -1792,9 +1795,7 @@ static int __init setup_vmstat(void) proc_create("vmstat", S_IRUGO, NULL, &proc_vmstat_file_operations); proc_create("zoneinfo", S_IRUGO, NULL, &proc_zoneinfo_file_operations); #endif - return 0; } -module_init(setup_vmstat) #if defined(CONFIG_DEBUG_FS) && defined(CONFIG_COMPACTION) diff --git a/mm/workingset.c b/mm/workingset.c index ac839fc..eda05c7 100644 --- a/mm/workingset.c +++ b/mm/workingset.c @@ -532,7 +532,7 @@ static int __init workingset_init(void) pr_info("workingset: timestamp_bits=%d max_order=%d bucket_order=%u\n", timestamp_bits, max_order, bucket_order); - ret = list_lru_init_key(&shadow_nodes, &shadow_nodes_key); + ret = __list_lru_init(&shadow_nodes, true, &shadow_nodes_key); if (ret) goto err; ret = register_shrinker(&workingset_shadow_shrinker); diff --git a/mm/z3fold.c b/mm/z3fold.c index 8970a2f..54f63c4 100644 --- a/mm/z3fold.c +++ b/mm/z3fold.c @@ -185,6 +185,12 @@ static inline void z3fold_page_lock(struct z3fold_header *zhdr) spin_lock(&zhdr->page_lock); } +/* Try to lock a z3fold page */ +static inline int z3fold_page_trylock(struct z3fold_header *zhdr) +{ + return spin_trylock(&zhdr->page_lock); +} + /* Unlock a z3fold page */ static inline void z3fold_page_unlock(struct z3fold_header *zhdr) { @@ -385,7 +391,7 @@ static int z3fold_alloc(struct z3fold_pool *pool, size_t size, gfp_t gfp, spin_lock(&pool->lock); zhdr = list_first_entry_or_null(&pool->unbuddied[i], struct z3fold_header, buddy); - if (!zhdr) { + if (!zhdr || !z3fold_page_trylock(zhdr)) { spin_unlock(&pool->lock); continue; } @@ -394,7 +400,6 @@ static int z3fold_alloc(struct z3fold_pool *pool, size_t size, gfp_t gfp, spin_unlock(&pool->lock); page = virt_to_page(zhdr); - z3fold_page_lock(zhdr); if (zhdr->first_chunks == 0) { if (zhdr->middle_chunks != 0 && chunks >= zhdr->start_middle) @@ -667,6 +672,7 @@ next: z3fold_page_unlock(zhdr); spin_lock(&pool->lock); if (kref_put(&zhdr->refcount, release_z3fold_page)) { + spin_unlock(&pool->lock); atomic64_dec(&pool->pages_nr); return 0; } diff --git a/mm/zsmalloc.c b/mm/zsmalloc.c index b7ee9c3..d41edd2 100644 --- a/mm/zsmalloc.c +++ b/mm/zsmalloc.c @@ -276,7 +276,7 @@ struct zs_pool { struct zspage { struct { unsigned int fullness:FULLNESS_BITS; - unsigned int class:CLASS_BITS; + unsigned int class:CLASS_BITS + 1; unsigned int isolated:ISOLATED_BITS; unsigned int magic:MAGIC_VAL_BITS; }; diff --git a/net/atm/svc.c b/net/atm/svc.c index db9794e..5589de7 100644 --- a/net/atm/svc.c +++ b/net/atm/svc.c @@ -318,7 +318,8 @@ out: return error; } -static int svc_accept(struct socket *sock, struct socket *newsock, int flags) +static int svc_accept(struct socket *sock, struct socket *newsock, int flags, + bool kern) { struct sock *sk = sock->sk; struct sk_buff *skb; @@ -329,7 +330,7 @@ static int svc_accept(struct socket *sock, struct socket *newsock, int flags) lock_sock(sk); - error = svc_create(sock_net(sk), newsock, 0, 0); + error = svc_create(sock_net(sk), newsock, 0, kern); if (error) goto out; diff --git a/net/ax25/af_ax25.c b/net/ax25/af_ax25.c index a8e42ce..b7c4867 100644 --- a/net/ax25/af_ax25.c +++ b/net/ax25/af_ax25.c @@ -1320,7 +1320,8 @@ out_release: return err; } -static int ax25_accept(struct socket *sock, struct socket *newsock, int flags) +static int ax25_accept(struct socket *sock, struct socket *newsock, int flags, + bool kern) { struct sk_buff *skb; struct sock *newsk; diff --git a/net/batman-adv/bat_iv_ogm.c b/net/batman-adv/bat_iv_ogm.c index 7c3d994e..71343d0 100644 --- a/net/batman-adv/bat_iv_ogm.c +++ b/net/batman-adv/bat_iv_ogm.c @@ -2477,6 +2477,16 @@ static void batadv_iv_iface_activate(struct batadv_hard_iface *hard_iface) batadv_iv_ogm_schedule(hard_iface); } +/** + * batadv_iv_init_sel_class - initialize GW selection class + * @bat_priv: the bat priv with all the soft interface information + */ +static void batadv_iv_init_sel_class(struct batadv_priv *bat_priv) +{ + /* set default TQ difference threshold to 20 */ + atomic_set(&bat_priv->gw.sel_class, 20); +} + static struct batadv_gw_node * batadv_iv_gw_get_best_gw_node(struct batadv_priv *bat_priv) { @@ -2823,6 +2833,7 @@ static struct batadv_algo_ops batadv_batman_iv __read_mostly = { .del_if = batadv_iv_ogm_orig_del_if, }, .gw = { + .init_sel_class = batadv_iv_init_sel_class, .get_best_gw_node = batadv_iv_gw_get_best_gw_node, .is_eligible = batadv_iv_gw_is_eligible, #ifdef CONFIG_BATMAN_ADV_DEBUGFS diff --git a/net/batman-adv/bat_v.c b/net/batman-adv/bat_v.c index 0acd081..a36c8e7 100644 --- a/net/batman-adv/bat_v.c +++ b/net/batman-adv/bat_v.c @@ -668,6 +668,16 @@ err_ifinfo1: return ret; } +/** + * batadv_v_init_sel_class - initialize GW selection class + * @bat_priv: the bat priv with all the soft interface information + */ +static void batadv_v_init_sel_class(struct batadv_priv *bat_priv) +{ + /* set default throughput difference threshold to 5Mbps */ + atomic_set(&bat_priv->gw.sel_class, 50); +} + static ssize_t batadv_v_store_sel_class(struct batadv_priv *bat_priv, char *buff, size_t count) { @@ -1052,6 +1062,7 @@ static struct batadv_algo_ops batadv_batman_v __read_mostly = { .dump = batadv_v_orig_dump, }, .gw = { + .init_sel_class = batadv_v_init_sel_class, .store_sel_class = batadv_v_store_sel_class, .show_sel_class = batadv_v_show_sel_class, .get_best_gw_node = batadv_v_gw_get_best_gw_node, @@ -1092,9 +1103,6 @@ int batadv_v_mesh_init(struct batadv_priv *bat_priv) if (ret < 0) return ret; - /* set default throughput difference threshold to 5Mbps */ - atomic_set(&bat_priv->gw.sel_class, 50); - return 0; } diff --git a/net/batman-adv/fragmentation.c b/net/batman-adv/fragmentation.c index 11a23fd..8f964be 100644 --- a/net/batman-adv/fragmentation.c +++ b/net/batman-adv/fragmentation.c @@ -404,7 +404,7 @@ out: * batadv_frag_create - create a fragment from skb * @skb: skb to create fragment from * @frag_head: header to use in new fragment - * @mtu: size of new fragment + * @fragment_size: size of new fragment * * Split the passed skb into two fragments: A new one with size matching the * passed mtu and the old one with the rest. The new skb contains data from the @@ -414,11 +414,11 @@ out: */ static struct sk_buff *batadv_frag_create(struct sk_buff *skb, struct batadv_frag_packet *frag_head, - unsigned int mtu) + unsigned int fragment_size) { struct sk_buff *skb_fragment; unsigned int header_size = sizeof(*frag_head); - unsigned int fragment_size = mtu - header_size; + unsigned int mtu = fragment_size + header_size; skb_fragment = netdev_alloc_skb(NULL, mtu + ETH_HLEN); if (!skb_fragment) @@ -456,7 +456,7 @@ int batadv_frag_send_packet(struct sk_buff *skb, struct sk_buff *skb_fragment; unsigned int mtu = neigh_node->if_incoming->net_dev->mtu; unsigned int header_size = sizeof(frag_header); - unsigned int max_fragment_size, max_packet_size; + unsigned int max_fragment_size, num_fragments; int ret; /* To avoid merge and refragmentation at next-hops we never send @@ -464,10 +464,15 @@ int batadv_frag_send_packet(struct sk_buff *skb, */ mtu = min_t(unsigned int, mtu, BATADV_FRAG_MAX_FRAG_SIZE); max_fragment_size = mtu - header_size; - max_packet_size = max_fragment_size * BATADV_FRAG_MAX_FRAGMENTS; + + if (skb->len == 0 || max_fragment_size == 0) + return -EINVAL; + + num_fragments = (skb->len - 1) / max_fragment_size + 1; + max_fragment_size = (skb->len - 1) / num_fragments + 1; /* Don't even try to fragment, if we need more than 16 fragments */ - if (skb->len > max_packet_size) { + if (num_fragments > BATADV_FRAG_MAX_FRAGMENTS) { ret = -EAGAIN; goto free_skb; } @@ -507,7 +512,8 @@ int batadv_frag_send_packet(struct sk_buff *skb, goto put_primary_if; } - skb_fragment = batadv_frag_create(skb, &frag_header, mtu); + skb_fragment = batadv_frag_create(skb, &frag_header, + max_fragment_size); if (!skb_fragment) { ret = -ENOMEM; goto put_primary_if; diff --git a/net/batman-adv/gateway_common.c b/net/batman-adv/gateway_common.c index 5db2e43..33940c5 100644 --- a/net/batman-adv/gateway_common.c +++ b/net/batman-adv/gateway_common.c @@ -253,6 +253,11 @@ static void batadv_gw_tvlv_ogm_handler_v1(struct batadv_priv *bat_priv, */ void batadv_gw_init(struct batadv_priv *bat_priv) { + if (bat_priv->algo_ops->gw.init_sel_class) + bat_priv->algo_ops->gw.init_sel_class(bat_priv); + else + atomic_set(&bat_priv->gw.sel_class, 1); + batadv_tvlv_handler_register(bat_priv, batadv_gw_tvlv_ogm_handler_v1, NULL, BATADV_TVLV_GW, 1, BATADV_TVLV_HANDLER_OGM_CIFNOTFND); diff --git a/net/batman-adv/soft-interface.c b/net/batman-adv/soft-interface.c index 5d099b2..d042c99 100644 --- a/net/batman-adv/soft-interface.c +++ b/net/batman-adv/soft-interface.c @@ -819,7 +819,6 @@ static int batadv_softif_init_late(struct net_device *dev) atomic_set(&bat_priv->mcast.num_want_all_ipv6, 0); #endif atomic_set(&bat_priv->gw.mode, BATADV_GW_MODE_OFF); - atomic_set(&bat_priv->gw.sel_class, 20); atomic_set(&bat_priv->gw.bandwidth_down, 100); atomic_set(&bat_priv->gw.bandwidth_up, 20); atomic_set(&bat_priv->orig_interval, 1000); diff --git a/net/batman-adv/types.h b/net/batman-adv/types.h index 66b25e4..246f21b 100644 --- a/net/batman-adv/types.h +++ b/net/batman-adv/types.h @@ -1489,6 +1489,7 @@ struct batadv_algo_orig_ops { /** * struct batadv_algo_gw_ops - mesh algorithm callbacks (GW specific) + * @init_sel_class: initialize GW selection class (optional) * @store_sel_class: parse and stores a new GW selection class (optional) * @show_sel_class: prints the current GW selection class (optional) * @get_best_gw_node: select the best GW from the list of available nodes @@ -1499,6 +1500,7 @@ struct batadv_algo_orig_ops { * @dump: dump gateways to a netlink socket (optional) */ struct batadv_algo_gw_ops { + void (*init_sel_class)(struct batadv_priv *bat_priv); ssize_t (*store_sel_class)(struct batadv_priv *bat_priv, char *buff, size_t count); ssize_t (*show_sel_class)(struct batadv_priv *bat_priv, char *buff); diff --git a/net/bluetooth/l2cap_sock.c b/net/bluetooth/l2cap_sock.c index f307b14..507b80d 100644 --- a/net/bluetooth/l2cap_sock.c +++ b/net/bluetooth/l2cap_sock.c @@ -301,7 +301,7 @@ done: } static int l2cap_sock_accept(struct socket *sock, struct socket *newsock, - int flags) + int flags, bool kern) { DEFINE_WAIT_FUNC(wait, woken_wake_function); struct sock *sk = sock->sk, *nsk; diff --git a/net/bluetooth/rfcomm/sock.c b/net/bluetooth/rfcomm/sock.c index aa1a814..ac3c650c 100644 --- a/net/bluetooth/rfcomm/sock.c +++ b/net/bluetooth/rfcomm/sock.c @@ -471,7 +471,8 @@ done: return err; } -static int rfcomm_sock_accept(struct socket *sock, struct socket *newsock, int flags) +static int rfcomm_sock_accept(struct socket *sock, struct socket *newsock, int flags, + bool kern) { DEFINE_WAIT_FUNC(wait, woken_wake_function); struct sock *sk = sock->sk, *nsk; diff --git a/net/bluetooth/sco.c b/net/bluetooth/sco.c index e4e9a2d..728e0c8 100644 --- a/net/bluetooth/sco.c +++ b/net/bluetooth/sco.c @@ -627,7 +627,7 @@ done: } static int sco_sock_accept(struct socket *sock, struct socket *newsock, - int flags) + int flags, bool kern) { DEFINE_WAIT_FUNC(wait, woken_wake_function); struct sock *sk = sock->sk, *ch; diff --git a/net/bridge/br_device.c b/net/bridge/br_device.c index ea71513..90f49a1 100644 --- a/net/bridge/br_device.c +++ b/net/bridge/br_device.c @@ -119,6 +119,15 @@ static int br_dev_init(struct net_device *dev) return err; } +static void br_dev_uninit(struct net_device *dev) +{ + struct net_bridge *br = netdev_priv(dev); + + br_multicast_uninit_stats(br); + br_vlan_flush(br); + free_percpu(br->stats); +} + static int br_dev_open(struct net_device *dev) { struct net_bridge *br = netdev_priv(dev); @@ -332,6 +341,7 @@ static const struct net_device_ops br_netdev_ops = { .ndo_open = br_dev_open, .ndo_stop = br_dev_stop, .ndo_init = br_dev_init, + .ndo_uninit = br_dev_uninit, .ndo_start_xmit = br_dev_xmit, .ndo_get_stats64 = br_get_stats64, .ndo_set_mac_address = br_set_mac_address, @@ -356,14 +366,6 @@ static const struct net_device_ops br_netdev_ops = { .ndo_features_check = passthru_features_check, }; -static void br_dev_free(struct net_device *dev) -{ - struct net_bridge *br = netdev_priv(dev); - - free_percpu(br->stats); - free_netdev(dev); -} - static struct device_type br_type = { .name = "bridge", }; @@ -376,7 +378,7 @@ void br_dev_setup(struct net_device *dev) ether_setup(dev); dev->netdev_ops = &br_netdev_ops; - dev->destructor = br_dev_free; + dev->destructor = free_netdev; dev->ethtool_ops = &br_ethtool_ops; SET_NETDEV_DEVTYPE(dev, &br_type); dev->priv_flags = IFF_EBRIDGE | IFF_NO_QUEUE; diff --git a/net/bridge/br_fdb.c b/net/bridge/br_fdb.c index 4f598dc..6e08b71 100644 --- a/net/bridge/br_fdb.c +++ b/net/bridge/br_fdb.c @@ -106,7 +106,7 @@ static struct net_bridge_fdb_entry *br_fdb_find(struct net_bridge *br, struct hlist_head *head = &br->hash[br_mac_hash(addr, vid)]; struct net_bridge_fdb_entry *fdb; - WARN_ON_ONCE(!br_hash_lock_held(br)); + lockdep_assert_held_once(&br->hash_lock); rcu_read_lock(); fdb = fdb_find_rcu(head, addr, vid); diff --git a/net/bridge/br_if.c b/net/bridge/br_if.c index 8ac1770..56a2a72 100644 --- a/net/bridge/br_if.c +++ b/net/bridge/br_if.c @@ -311,7 +311,6 @@ void br_dev_delete(struct net_device *dev, struct list_head *head) br_fdb_delete_by_port(br, NULL, 0, 1); - br_vlan_flush(br); br_multicast_dev_del(br); cancel_delayed_work_sync(&br->gc_work); diff --git a/net/bridge/br_input.c b/net/bridge/br_input.c index 236f342..013f2290b 100644 --- a/net/bridge/br_input.c +++ b/net/bridge/br_input.c @@ -30,6 +30,7 @@ EXPORT_SYMBOL(br_should_route_hook); static int br_netif_receive_skb(struct net *net, struct sock *sk, struct sk_buff *skb) { + br_drop_fake_rtable(skb); return netif_receive_skb(skb); } diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c index b760f26..faa7261 100644 --- a/net/bridge/br_multicast.c +++ b/net/bridge/br_multicast.c @@ -2031,8 +2031,6 @@ void br_multicast_dev_del(struct net_bridge *br) out: spin_unlock_bh(&br->multicast_lock); - - free_percpu(br->mcast_stats); } int br_multicast_set_router(struct net_bridge *br, unsigned long val) @@ -2531,6 +2529,11 @@ int br_multicast_init_stats(struct net_bridge *br) return 0; } +void br_multicast_uninit_stats(struct net_bridge *br) +{ + free_percpu(br->mcast_stats); +} + static void mcast_stats_add_dir(u64 *dst, u64 *src) { dst[BR_MCAST_DIR_RX] += src[BR_MCAST_DIR_RX]; diff --git a/net/bridge/br_netfilter_hooks.c b/net/bridge/br_netfilter_hooks.c index 95087e6..1f1e620 100644 --- a/net/bridge/br_netfilter_hooks.c +++ b/net/bridge/br_netfilter_hooks.c @@ -521,21 +521,6 @@ static unsigned int br_nf_pre_routing(void *priv, } -/* PF_BRIDGE/LOCAL_IN ************************************************/ -/* The packet is locally destined, which requires a real - * dst_entry, so detach the fake one. On the way up, the - * packet would pass through PRE_ROUTING again (which already - * took place when the packet entered the bridge), but we - * register an IPv4 PRE_ROUTING 'sabotage' hook that will - * prevent this from happening. */ -static unsigned int br_nf_local_in(void *priv, - struct sk_buff *skb, - const struct nf_hook_state *state) -{ - br_drop_fake_rtable(skb); - return NF_ACCEPT; -} - /* PF_BRIDGE/FORWARD *************************************************/ static int br_nf_forward_finish(struct net *net, struct sock *sk, struct sk_buff *skb) { @@ -721,18 +706,20 @@ static unsigned int nf_bridge_mtu_reduction(const struct sk_buff *skb) static int br_nf_dev_queue_xmit(struct net *net, struct sock *sk, struct sk_buff *skb) { - struct nf_bridge_info *nf_bridge; - unsigned int mtu_reserved; + struct nf_bridge_info *nf_bridge = nf_bridge_info_get(skb); + unsigned int mtu, mtu_reserved; mtu_reserved = nf_bridge_mtu_reduction(skb); + mtu = skb->dev->mtu; - if (skb_is_gso(skb) || skb->len + mtu_reserved <= skb->dev->mtu) { + if (nf_bridge->frag_max_size && nf_bridge->frag_max_size < mtu) + mtu = nf_bridge->frag_max_size; + + if (skb_is_gso(skb) || skb->len + mtu_reserved <= mtu) { nf_bridge_info_free(skb); return br_dev_queue_push_xmit(net, sk, skb); } - nf_bridge = nf_bridge_info_get(skb); - /* This is wrong! We should preserve the original fragment * boundaries by preserving frag_list rather than refragmenting. */ @@ -908,12 +895,6 @@ static struct nf_hook_ops br_nf_ops[] __read_mostly = { .priority = NF_BR_PRI_BRNF, }, { - .hook = br_nf_local_in, - .pf = NFPROTO_BRIDGE, - .hooknum = NF_BR_LOCAL_IN, - .priority = NF_BR_PRI_BRNF, - }, - { .hook = br_nf_forward_ip, .pf = NFPROTO_BRIDGE, .hooknum = NF_BR_FORWARD, diff --git a/net/bridge/br_netlink.c b/net/bridge/br_netlink.c index a8f6acd..225ef7d 100644 --- a/net/bridge/br_netlink.c +++ b/net/bridge/br_netlink.c @@ -1165,11 +1165,14 @@ static int br_dev_newlink(struct net *src_net, struct net_device *dev, spin_unlock_bh(&br->lock); } - err = br_changelink(dev, tb, data); + err = register_netdevice(dev); if (err) return err; - return register_netdevice(dev); + err = br_changelink(dev, tb, data); + if (err) + unregister_netdevice(dev); + return err; } static size_t br_get_size(const struct net_device *brdev) diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h index 2288fca..0d17728 100644 --- a/net/bridge/br_private.h +++ b/net/bridge/br_private.h @@ -531,15 +531,6 @@ int br_fdb_external_learn_add(struct net_bridge *br, struct net_bridge_port *p, int br_fdb_external_learn_del(struct net_bridge *br, struct net_bridge_port *p, const unsigned char *addr, u16 vid); -static inline bool br_hash_lock_held(struct net_bridge *br) -{ -#ifdef CONFIG_LOCKDEP - return lockdep_is_held(&br->hash_lock); -#else - return true; -#endif -} - /* br_forward.c */ enum br_pkt_type { BR_PKT_UNICAST, @@ -629,6 +620,7 @@ void br_rtr_notify(struct net_device *dev, struct net_bridge_port *port, void br_multicast_count(struct net_bridge *br, const struct net_bridge_port *p, const struct sk_buff *skb, u8 type, u8 dir); int br_multicast_init_stats(struct net_bridge *br); +void br_multicast_uninit_stats(struct net_bridge *br); void br_multicast_get_stats(const struct net_bridge *br, const struct net_bridge_port *p, struct br_mcast_stats *dest); @@ -769,6 +761,10 @@ static inline int br_multicast_init_stats(struct net_bridge *br) return 0; } +static inline void br_multicast_uninit_stats(struct net_bridge *br) +{ +} + static inline int br_multicast_igmp_type(const struct sk_buff *skb) { return 0; diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c index 38dcf1e..f76bb33 100644 --- a/net/ceph/messenger.c +++ b/net/ceph/messenger.c @@ -7,6 +7,7 @@ #include <linux/kthread.h> #include <linux/net.h> #include <linux/nsproxy.h> +#include <linux/sched/mm.h> #include <linux/slab.h> #include <linux/socket.h> #include <linux/string.h> @@ -469,11 +470,16 @@ static int ceph_tcp_connect(struct ceph_connection *con) { struct sockaddr_storage *paddr = &con->peer_addr.in_addr; struct socket *sock; + unsigned int noio_flag; int ret; BUG_ON(con->sock); + + /* sock_create_kern() allocates with GFP_KERNEL */ + noio_flag = memalloc_noio_save(); ret = sock_create_kern(read_pnet(&con->msgr->net), paddr->ss_family, SOCK_STREAM, IPPROTO_TCP, &sock); + memalloc_noio_restore(noio_flag); if (ret) return ret; sock->sk->sk_allocation = GFP_NOFS; diff --git a/net/core/datagram.c b/net/core/datagram.c index ea63334..f4947e7 100644 --- a/net/core/datagram.c +++ b/net/core/datagram.c @@ -398,7 +398,7 @@ int skb_copy_datagram_iter(const struct sk_buff *skb, int offset, struct iov_iter *to, int len) { int start = skb_headlen(skb); - int i, copy = start - offset; + int i, copy = start - offset, start_off = offset, n; struct sk_buff *frag_iter; trace_skb_copy_datagram_iovec(skb, len); @@ -407,11 +407,12 @@ int skb_copy_datagram_iter(const struct sk_buff *skb, int offset, if (copy > 0) { if (copy > len) copy = len; - if (copy_to_iter(skb->data + offset, copy, to) != copy) + n = copy_to_iter(skb->data + offset, copy, to); + offset += n; + if (n != copy) goto short_copy; if ((len -= copy) == 0) return 0; - offset += copy; } /* Copy paged appendix. Hmm... why does this look so complicated? */ @@ -425,13 +426,14 @@ int skb_copy_datagram_iter(const struct sk_buff *skb, int offset, if ((copy = end - offset) > 0) { if (copy > len) copy = len; - if (copy_page_to_iter(skb_frag_page(frag), + n = copy_page_to_iter(skb_frag_page(frag), frag->page_offset + offset - - start, copy, to) != copy) + start, copy, to); + offset += n; + if (n != copy) goto short_copy; if (!(len -= copy)) return 0; - offset += copy; } start = end; } @@ -463,6 +465,7 @@ int skb_copy_datagram_iter(const struct sk_buff *skb, int offset, */ fault: + iov_iter_revert(to, offset - start_off); return -EFAULT; short_copy: @@ -613,7 +616,7 @@ static int skb_copy_and_csum_datagram(const struct sk_buff *skb, int offset, __wsum *csump) { int start = skb_headlen(skb); - int i, copy = start - offset; + int i, copy = start - offset, start_off = offset; struct sk_buff *frag_iter; int pos = 0; int n; @@ -623,11 +626,11 @@ static int skb_copy_and_csum_datagram(const struct sk_buff *skb, int offset, if (copy > len) copy = len; n = csum_and_copy_to_iter(skb->data + offset, copy, csump, to); + offset += n; if (n != copy) goto fault; if ((len -= copy) == 0) return 0; - offset += copy; pos = copy; } @@ -649,12 +652,12 @@ static int skb_copy_and_csum_datagram(const struct sk_buff *skb, int offset, offset - start, copy, &csum2, to); kunmap(page); + offset += n; if (n != copy) goto fault; *csump = csum_block_add(*csump, csum2, pos); if (!(len -= copy)) return 0; - offset += copy; pos += copy; } start = end; @@ -687,6 +690,7 @@ static int skb_copy_and_csum_datagram(const struct sk_buff *skb, int offset, return 0; fault: + iov_iter_revert(to, offset - start_off); return -EFAULT; } @@ -771,6 +775,7 @@ int skb_copy_and_csum_datagram_msg(struct sk_buff *skb, } return 0; csum_error: + iov_iter_revert(&msg->msg_iter, chunk); return -EINVAL; fault: return -EFAULT; diff --git a/net/core/dev.c b/net/core/dev.c index 8637b2b..533a6d6 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -1304,6 +1304,7 @@ void netdev_notify_peers(struct net_device *dev) { rtnl_lock(); call_netdevice_notifiers(NETDEV_NOTIFY_PEERS, dev); + call_netdevice_notifiers(NETDEV_RESEND_IGMP, dev); rtnl_unlock(); } EXPORT_SYMBOL(netdev_notify_peers); @@ -6756,7 +6757,6 @@ int dev_change_xdp_fd(struct net_device *dev, int fd, u32 flags) return err; } -EXPORT_SYMBOL(dev_change_xdp_fd); /** * dev_new_index - allocate an ifindex diff --git a/net/core/flow_dissector.c b/net/core/flow_dissector.c index c35aae1..d98d499 100644 --- a/net/core/flow_dissector.c +++ b/net/core/flow_dissector.c @@ -390,7 +390,7 @@ mpls: unsigned char ar_tip[4]; } *arp_eth, _arp_eth; const struct arphdr *arp; - struct arphdr *_arp; + struct arphdr _arp; arp = __skb_header_pointer(skb, nhoff, sizeof(_arp), data, hlen, &_arp); diff --git a/net/core/neighbour.c b/net/core/neighbour.c index e7c12ca..4526cbd 100644 --- a/net/core/neighbour.c +++ b/net/core/neighbour.c @@ -860,7 +860,8 @@ static void neigh_probe(struct neighbour *neigh) if (skb) skb = skb_clone(skb, GFP_ATOMIC); write_unlock(&neigh->lock); - neigh->ops->solicit(neigh, skb); + if (neigh->ops->solicit) + neigh->ops->solicit(neigh, skb); atomic_inc(&neigh->probes); kfree_skb(skb); } diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c index 3945821..65ea0ff 100644 --- a/net/core/net-sysfs.c +++ b/net/core/net-sysfs.c @@ -953,7 +953,7 @@ net_rx_queue_update_kobjects(struct net_device *dev, int old_num, int new_num) while (--i >= new_num) { struct kobject *kobj = &dev->_rx[i].kobj; - if (!list_empty(&dev_net(dev)->exit_list)) + if (!atomic_read(&dev_net(dev)->count)) kobj->uevent_suppress = 1; if (dev->sysfs_rx_queue_group) sysfs_remove_group(kobj, dev->sysfs_rx_queue_group); @@ -1371,7 +1371,7 @@ netdev_queue_update_kobjects(struct net_device *dev, int old_num, int new_num) while (--i >= new_num) { struct netdev_queue *queue = dev->_tx + i; - if (!list_empty(&dev_net(dev)->exit_list)) + if (!atomic_read(&dev_net(dev)->count)) queue->kobj.uevent_suppress = 1; #ifdef CONFIG_BQL sysfs_remove_group(&queue->kobj, &dql_group); @@ -1558,7 +1558,7 @@ void netdev_unregister_kobject(struct net_device *ndev) { struct device *dev = &(ndev->dev); - if (!list_empty(&dev_net(ndev)->exit_list)) + if (!atomic_read(&dev_net(ndev)->count)) dev_set_uevent_suppress(dev, 1); kobject_get(&dev->kobj); diff --git a/net/core/netclassid_cgroup.c b/net/core/netclassid_cgroup.c index 6ae5603..029a61a 100644 --- a/net/core/netclassid_cgroup.c +++ b/net/core/netclassid_cgroup.c @@ -71,27 +71,17 @@ static int update_classid_sock(const void *v, struct file *file, unsigned n) return 0; } -static void update_classid(struct cgroup_subsys_state *css, void *v) +static void cgrp_attach(struct cgroup_taskset *tset) { - struct css_task_iter it; + struct cgroup_subsys_state *css; struct task_struct *p; - css_task_iter_start(css, &it); - while ((p = css_task_iter_next(&it))) { + cgroup_taskset_for_each(p, css, tset) { task_lock(p); - iterate_fd(p->files, 0, update_classid_sock, v); + iterate_fd(p->files, 0, update_classid_sock, + (void *)(unsigned long)css_cls_state(css)->classid); task_unlock(p); } - css_task_iter_end(&it); -} - -static void cgrp_attach(struct cgroup_taskset *tset) -{ - struct cgroup_subsys_state *css; - - cgroup_taskset_first(tset, &css); - update_classid(css, - (void *)(unsigned long)css_cls_state(css)->classid); } static u64 read_classid(struct cgroup_subsys_state *css, struct cftype *cft) @@ -103,12 +93,22 @@ static int write_classid(struct cgroup_subsys_state *css, struct cftype *cft, u64 value) { struct cgroup_cls_state *cs = css_cls_state(css); + struct css_task_iter it; + struct task_struct *p; cgroup_sk_alloc_disable(); cs->classid = (u32)value; - update_classid(css, (void *)(unsigned long)cs->classid); + css_task_iter_start(css, &it); + while ((p = css_task_iter_next(&it))) { + task_lock(p); + iterate_fd(p->files, 0, update_classid_sock, + (void *)(unsigned long)cs->classid); + task_unlock(p); + } + css_task_iter_end(&it); + return 0; } diff --git a/net/core/secure_seq.c b/net/core/secure_seq.c index 758f140b..d28da7d 100644 --- a/net/core/secure_seq.c +++ b/net/core/secure_seq.c @@ -20,9 +20,11 @@ #include <net/tcp.h> static siphash_key_t net_secret __read_mostly; +static siphash_key_t ts_secret __read_mostly; static __always_inline void net_secret_init(void) { + net_get_random_once(&ts_secret, sizeof(ts_secret)); net_get_random_once(&net_secret, sizeof(net_secret)); } #endif @@ -45,6 +47,23 @@ static u32 seq_scale(u32 seq) #endif #if IS_ENABLED(CONFIG_IPV6) +static u32 secure_tcpv6_ts_off(const __be32 *saddr, const __be32 *daddr) +{ + const struct { + struct in6_addr saddr; + struct in6_addr daddr; + } __aligned(SIPHASH_ALIGNMENT) combined = { + .saddr = *(struct in6_addr *)saddr, + .daddr = *(struct in6_addr *)daddr, + }; + + if (sysctl_tcp_timestamps != 1) + return 0; + + return siphash(&combined, offsetofend(typeof(combined), daddr), + &ts_secret); +} + u32 secure_tcpv6_sequence_number(const __be32 *saddr, const __be32 *daddr, __be16 sport, __be16 dport, u32 *tsoff) { @@ -63,7 +82,7 @@ u32 secure_tcpv6_sequence_number(const __be32 *saddr, const __be32 *daddr, net_secret_init(); hash = siphash(&combined, offsetofend(typeof(combined), dport), &net_secret); - *tsoff = sysctl_tcp_timestamps == 1 ? (hash >> 32) : 0; + *tsoff = secure_tcpv6_ts_off(saddr, daddr); return seq_scale(hash); } EXPORT_SYMBOL(secure_tcpv6_sequence_number); @@ -88,6 +107,14 @@ EXPORT_SYMBOL(secure_ipv6_port_ephemeral); #endif #ifdef CONFIG_INET +static u32 secure_tcp_ts_off(__be32 saddr, __be32 daddr) +{ + if (sysctl_tcp_timestamps != 1) + return 0; + + return siphash_2u32((__force u32)saddr, (__force u32)daddr, + &ts_secret); +} /* secure_tcp_sequence_number(a, b, 0, d) == secure_ipv4_port_ephemeral(a, b, d), * but fortunately, `sport' cannot be 0 in any circumstances. If this changes, @@ -103,7 +130,7 @@ u32 secure_tcp_sequence_number(__be32 saddr, __be32 daddr, hash = siphash_3u32((__force u32)saddr, (__force u32)daddr, (__force u32)sport << 16 | (__force u32)dport, &net_secret); - *tsoff = sysctl_tcp_timestamps == 1 ? (hash >> 32) : 0; + *tsoff = secure_tcp_ts_off(saddr, daddr); return seq_scale(hash); } diff --git a/net/core/skbuff.c b/net/core/skbuff.c index f355795..9f78109 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -3694,6 +3694,15 @@ static void sock_rmem_free(struct sk_buff *skb) atomic_sub(skb->truesize, &sk->sk_rmem_alloc); } +static void skb_set_err_queue(struct sk_buff *skb) +{ + /* pkt_type of skbs received on local sockets is never PACKET_OUTGOING. + * So, it is safe to (mis)use it to mark skbs on the error queue. + */ + skb->pkt_type = PACKET_OUTGOING; + BUILD_BUG_ON(PACKET_OUTGOING == 0); +} + /* * Note: We dont mem charge error packets (no sk_forward_alloc changes) */ @@ -3707,6 +3716,7 @@ int sock_queue_err_skb(struct sock *sk, struct sk_buff *skb) skb->sk = sk; skb->destructor = sock_rmem_free; atomic_add(skb->truesize, &sk->sk_rmem_alloc); + skb_set_err_queue(skb); /* before exiting rcu section, make sure dst is refcounted */ skb_dst_force(skb); @@ -3783,16 +3793,20 @@ EXPORT_SYMBOL(skb_clone_sk); static void __skb_complete_tx_timestamp(struct sk_buff *skb, struct sock *sk, - int tstype) + int tstype, + bool opt_stats) { struct sock_exterr_skb *serr; int err; + BUILD_BUG_ON(sizeof(struct sock_exterr_skb) > sizeof(skb->cb)); + serr = SKB_EXT_ERR(skb); memset(serr, 0, sizeof(*serr)); serr->ee.ee_errno = ENOMSG; serr->ee.ee_origin = SO_EE_ORIGIN_TIMESTAMPING; serr->ee.ee_info = tstype; + serr->opt_stats = opt_stats; if (sk->sk_tsflags & SOF_TIMESTAMPING_OPT_ID) { serr->ee.ee_data = skb_shinfo(skb)->tskey; if (sk->sk_protocol == IPPROTO_TCP && @@ -3828,13 +3842,14 @@ void skb_complete_tx_timestamp(struct sk_buff *skb, if (!skb_may_tx_timestamp(sk, false)) return; - /* take a reference to prevent skb_orphan() from freeing the socket */ - sock_hold(sk); - - *skb_hwtstamps(skb) = *hwtstamps; - __skb_complete_tx_timestamp(skb, sk, SCM_TSTAMP_SND); - - sock_put(sk); + /* Take a reference to prevent skb_orphan() from freeing the socket, + * but only if the socket refcount is not zero. + */ + if (likely(atomic_inc_not_zero(&sk->sk_refcnt))) { + *skb_hwtstamps(skb) = *hwtstamps; + __skb_complete_tx_timestamp(skb, sk, SCM_TSTAMP_SND, false); + sock_put(sk); + } } EXPORT_SYMBOL_GPL(skb_complete_tx_timestamp); @@ -3843,7 +3858,7 @@ void __skb_tstamp_tx(struct sk_buff *orig_skb, struct sock *sk, int tstype) { struct sk_buff *skb; - bool tsonly; + bool tsonly, opt_stats = false; if (!sk) return; @@ -3856,9 +3871,10 @@ void __skb_tstamp_tx(struct sk_buff *orig_skb, #ifdef CONFIG_INET if ((sk->sk_tsflags & SOF_TIMESTAMPING_OPT_STATS) && sk->sk_protocol == IPPROTO_TCP && - sk->sk_type == SOCK_STREAM) + sk->sk_type == SOCK_STREAM) { skb = tcp_get_timestamping_opt_stats(sk); - else + opt_stats = true; + } else #endif skb = alloc_skb(0, GFP_ATOMIC); } else { @@ -3877,7 +3893,7 @@ void __skb_tstamp_tx(struct sk_buff *orig_skb, else skb->tstamp = ktime_get_real(); - __skb_complete_tx_timestamp(skb, sk, tstype); + __skb_complete_tx_timestamp(skb, sk, tstype, opt_stats); } EXPORT_SYMBOL_GPL(__skb_tstamp_tx); @@ -3893,7 +3909,7 @@ void skb_complete_wifi_ack(struct sk_buff *skb, bool acked) { struct sock *sk = skb->sk; struct sock_exterr_skb *serr; - int err; + int err = 1; skb->wifi_acked_valid = 1; skb->wifi_acked = acked; @@ -3903,14 +3919,15 @@ void skb_complete_wifi_ack(struct sk_buff *skb, bool acked) serr->ee.ee_errno = ENOMSG; serr->ee.ee_origin = SO_EE_ORIGIN_TXSTATUS; - /* take a reference to prevent skb_orphan() from freeing the socket */ - sock_hold(sk); - - err = sock_queue_err_skb(sk, skb); + /* Take a reference to prevent skb_orphan() from freeing the socket, + * but only if the socket refcount is not zero. + */ + if (likely(atomic_inc_not_zero(&sk->sk_refcnt))) { + err = sock_queue_err_skb(sk, skb); + sock_put(sk); + } if (err) kfree_skb(skb); - - sock_put(sk); } EXPORT_SYMBOL_GPL(skb_complete_wifi_ack); diff --git a/net/core/sock.c b/net/core/sock.c index f6fd79f..2c4f574 100644 --- a/net/core/sock.c +++ b/net/core/sock.c @@ -197,66 +197,55 @@ EXPORT_SYMBOL(sk_net_capable); /* * Each address family might have different locking rules, so we have - * one slock key per address family: + * one slock key per address family and separate keys for internal and + * userspace sockets. */ static struct lock_class_key af_family_keys[AF_MAX]; +static struct lock_class_key af_family_kern_keys[AF_MAX]; static struct lock_class_key af_family_slock_keys[AF_MAX]; +static struct lock_class_key af_family_kern_slock_keys[AF_MAX]; /* * Make lock validator output more readable. (we pre-construct these * strings build-time, so that runtime initialization of socket * locks is fast): */ + +#define _sock_locks(x) \ + x "AF_UNSPEC", x "AF_UNIX" , x "AF_INET" , \ + x "AF_AX25" , x "AF_IPX" , x "AF_APPLETALK", \ + x "AF_NETROM", x "AF_BRIDGE" , x "AF_ATMPVC" , \ + x "AF_X25" , x "AF_INET6" , x "AF_ROSE" , \ + x "AF_DECnet", x "AF_NETBEUI" , x "AF_SECURITY" , \ + x "AF_KEY" , x "AF_NETLINK" , x "AF_PACKET" , \ + x "AF_ASH" , x "AF_ECONET" , x "AF_ATMSVC" , \ + x "AF_RDS" , x "AF_SNA" , x "AF_IRDA" , \ + x "AF_PPPOX" , x "AF_WANPIPE" , x "AF_LLC" , \ + x "27" , x "28" , x "AF_CAN" , \ + x "AF_TIPC" , x "AF_BLUETOOTH", x "IUCV" , \ + x "AF_RXRPC" , x "AF_ISDN" , x "AF_PHONET" , \ + x "AF_IEEE802154", x "AF_CAIF" , x "AF_ALG" , \ + x "AF_NFC" , x "AF_VSOCK" , x "AF_KCM" , \ + x "AF_QIPCRTR", x "AF_SMC" , x "AF_MAX" + static const char *const af_family_key_strings[AF_MAX+1] = { - "sk_lock-AF_UNSPEC", "sk_lock-AF_UNIX" , "sk_lock-AF_INET" , - "sk_lock-AF_AX25" , "sk_lock-AF_IPX" , "sk_lock-AF_APPLETALK", - "sk_lock-AF_NETROM", "sk_lock-AF_BRIDGE" , "sk_lock-AF_ATMPVC" , - "sk_lock-AF_X25" , "sk_lock-AF_INET6" , "sk_lock-AF_ROSE" , - "sk_lock-AF_DECnet", "sk_lock-AF_NETBEUI" , "sk_lock-AF_SECURITY" , - "sk_lock-AF_KEY" , "sk_lock-AF_NETLINK" , "sk_lock-AF_PACKET" , - "sk_lock-AF_ASH" , "sk_lock-AF_ECONET" , "sk_lock-AF_ATMSVC" , - "sk_lock-AF_RDS" , "sk_lock-AF_SNA" , "sk_lock-AF_IRDA" , - "sk_lock-AF_PPPOX" , "sk_lock-AF_WANPIPE" , "sk_lock-AF_LLC" , - "sk_lock-27" , "sk_lock-28" , "sk_lock-AF_CAN" , - "sk_lock-AF_TIPC" , "sk_lock-AF_BLUETOOTH", "sk_lock-IUCV" , - "sk_lock-AF_RXRPC" , "sk_lock-AF_ISDN" , "sk_lock-AF_PHONET" , - "sk_lock-AF_IEEE802154", "sk_lock-AF_CAIF" , "sk_lock-AF_ALG" , - "sk_lock-AF_NFC" , "sk_lock-AF_VSOCK" , "sk_lock-AF_KCM" , - "sk_lock-AF_QIPCRTR", "sk_lock-AF_SMC" , "sk_lock-AF_MAX" + _sock_locks("sk_lock-") }; static const char *const af_family_slock_key_strings[AF_MAX+1] = { - "slock-AF_UNSPEC", "slock-AF_UNIX" , "slock-AF_INET" , - "slock-AF_AX25" , "slock-AF_IPX" , "slock-AF_APPLETALK", - "slock-AF_NETROM", "slock-AF_BRIDGE" , "slock-AF_ATMPVC" , - "slock-AF_X25" , "slock-AF_INET6" , "slock-AF_ROSE" , - "slock-AF_DECnet", "slock-AF_NETBEUI" , "slock-AF_SECURITY" , - "slock-AF_KEY" , "slock-AF_NETLINK" , "slock-AF_PACKET" , - "slock-AF_ASH" , "slock-AF_ECONET" , "slock-AF_ATMSVC" , - "slock-AF_RDS" , "slock-AF_SNA" , "slock-AF_IRDA" , - "slock-AF_PPPOX" , "slock-AF_WANPIPE" , "slock-AF_LLC" , - "slock-27" , "slock-28" , "slock-AF_CAN" , - "slock-AF_TIPC" , "slock-AF_BLUETOOTH", "slock-AF_IUCV" , - "slock-AF_RXRPC" , "slock-AF_ISDN" , "slock-AF_PHONET" , - "slock-AF_IEEE802154", "slock-AF_CAIF" , "slock-AF_ALG" , - "slock-AF_NFC" , "slock-AF_VSOCK" ,"slock-AF_KCM" , - "slock-AF_QIPCRTR", "slock-AF_SMC" , "slock-AF_MAX" + _sock_locks("slock-") }; static const char *const af_family_clock_key_strings[AF_MAX+1] = { - "clock-AF_UNSPEC", "clock-AF_UNIX" , "clock-AF_INET" , - "clock-AF_AX25" , "clock-AF_IPX" , "clock-AF_APPLETALK", - "clock-AF_NETROM", "clock-AF_BRIDGE" , "clock-AF_ATMPVC" , - "clock-AF_X25" , "clock-AF_INET6" , "clock-AF_ROSE" , - "clock-AF_DECnet", "clock-AF_NETBEUI" , "clock-AF_SECURITY" , - "clock-AF_KEY" , "clock-AF_NETLINK" , "clock-AF_PACKET" , - "clock-AF_ASH" , "clock-AF_ECONET" , "clock-AF_ATMSVC" , - "clock-AF_RDS" , "clock-AF_SNA" , "clock-AF_IRDA" , - "clock-AF_PPPOX" , "clock-AF_WANPIPE" , "clock-AF_LLC" , - "clock-27" , "clock-28" , "clock-AF_CAN" , - "clock-AF_TIPC" , "clock-AF_BLUETOOTH", "clock-AF_IUCV" , - "clock-AF_RXRPC" , "clock-AF_ISDN" , "clock-AF_PHONET" , - "clock-AF_IEEE802154", "clock-AF_CAIF" , "clock-AF_ALG" , - "clock-AF_NFC" , "clock-AF_VSOCK" , "clock-AF_KCM" , - "clock-AF_QIPCRTR", "clock-AF_SMC" , "clock-AF_MAX" + _sock_locks("clock-") +}; + +static const char *const af_family_kern_key_strings[AF_MAX+1] = { + _sock_locks("k-sk_lock-") +}; +static const char *const af_family_kern_slock_key_strings[AF_MAX+1] = { + _sock_locks("k-slock-") +}; +static const char *const af_family_kern_clock_key_strings[AF_MAX+1] = { + _sock_locks("k-clock-") }; /* @@ -264,6 +253,7 @@ static const char *const af_family_clock_key_strings[AF_MAX+1] = { * so split the lock classes by using a per-AF key: */ static struct lock_class_key af_callback_keys[AF_MAX]; +static struct lock_class_key af_kern_callback_keys[AF_MAX]; /* Take into consideration the size of the struct sk_buff overhead in the * determination of these values, since that is non-constant across @@ -1293,7 +1283,16 @@ lenout: */ static inline void sock_lock_init(struct sock *sk) { - sock_lock_init_class_and_name(sk, + if (sk->sk_kern_sock) + sock_lock_init_class_and_name( + sk, + af_family_kern_slock_key_strings[sk->sk_family], + af_family_kern_slock_keys + sk->sk_family, + af_family_kern_key_strings[sk->sk_family], + af_family_kern_keys + sk->sk_family); + else + sock_lock_init_class_and_name( + sk, af_family_slock_key_strings[sk->sk_family], af_family_slock_keys + sk->sk_family, af_family_key_strings[sk->sk_family], @@ -1399,6 +1398,7 @@ struct sock *sk_alloc(struct net *net, int family, gfp_t priority, * why we need sk_prot_creator -acme */ sk->sk_prot = sk->sk_prot_creator = prot; + sk->sk_kern_sock = kern; sock_lock_init(sk); sk->sk_net_refcnt = kern ? 0 : 1; if (likely(sk->sk_net_refcnt)) @@ -1442,6 +1442,11 @@ static void __sk_destruct(struct rcu_head *head) pr_debug("%s: optmem leakage (%d bytes) detected\n", __func__, atomic_read(&sk->sk_omem_alloc)); + if (sk->sk_frag.page) { + put_page(sk->sk_frag.page); + sk->sk_frag.page = NULL; + } + if (sk->sk_peer_cred) put_cred(sk->sk_peer_cred); put_pid(sk->sk_peer_pid); @@ -1539,6 +1544,12 @@ struct sock *sk_clone_lock(const struct sock *sk, const gfp_t priority) is_charged = sk_filter_charge(newsk, filter); if (unlikely(!is_charged || xfrm_sk_clone_policy(newsk, sk))) { + /* We need to make sure that we don't uncharge the new + * socket if we couldn't charge it in the first place + * as otherwise we uncharge the parent's filter. + */ + if (!is_charged) + RCU_INIT_POINTER(newsk->sk_filter, NULL); sk_free_unlock_clone(newsk); newsk = NULL; goto out; @@ -2277,7 +2288,8 @@ int sock_no_socketpair(struct socket *sock1, struct socket *sock2) } EXPORT_SYMBOL(sock_no_socketpair); -int sock_no_accept(struct socket *sock, struct socket *newsock, int flags) +int sock_no_accept(struct socket *sock, struct socket *newsock, int flags, + bool kern) { return -EOPNOTSUPP; } @@ -2481,7 +2493,14 @@ void sock_init_data(struct socket *sock, struct sock *sk) } rwlock_init(&sk->sk_callback_lock); - lockdep_set_class_and_name(&sk->sk_callback_lock, + if (sk->sk_kern_sock) + lockdep_set_class_and_name( + &sk->sk_callback_lock, + af_kern_callback_keys + sk->sk_family, + af_family_kern_clock_key_strings[sk->sk_family]); + else + lockdep_set_class_and_name( + &sk->sk_callback_lock, af_callback_keys + sk->sk_family, af_family_clock_key_strings[sk->sk_family]); @@ -2779,11 +2798,6 @@ void sk_common_release(struct sock *sk) sk_refcnt_debug_release(sk); - if (sk->sk_frag.page) { - put_page(sk->sk_frag.page); - sk->sk_frag.page = NULL; - } - sock_put(sk); } EXPORT_SYMBOL(sk_common_release); diff --git a/net/core/sysctl_net_core.c b/net/core/sysctl_net_core.c index 4ead336..7f9cc40 100644 --- a/net/core/sysctl_net_core.c +++ b/net/core/sysctl_net_core.c @@ -408,14 +408,16 @@ static struct ctl_table net_core_table[] = { .data = &sysctl_net_busy_poll, .maxlen = sizeof(unsigned int), .mode = 0644, - .proc_handler = proc_dointvec + .proc_handler = proc_dointvec_minmax, + .extra1 = &zero, }, { .procname = "busy_read", .data = &sysctl_net_busy_read, .maxlen = sizeof(unsigned int), .mode = 0644, - .proc_handler = proc_dointvec + .proc_handler = proc_dointvec_minmax, + .extra1 = &zero, }, #endif #ifdef CONFIG_NET_SCHED diff --git a/net/dccp/ccids/ccid2.c b/net/dccp/ccids/ccid2.c index f053198..5e3a730 100644 --- a/net/dccp/ccids/ccid2.c +++ b/net/dccp/ccids/ccid2.c @@ -749,6 +749,7 @@ static void ccid2_hc_tx_exit(struct sock *sk) for (i = 0; i < hc->tx_seqbufc; i++) kfree(hc->tx_seqbuf[i]); hc->tx_seqbufc = 0; + dccp_ackvec_parsed_cleanup(&hc->tx_av_chunks); } static void ccid2_hc_rx_packet_recv(struct sock *sk, struct sk_buff *skb) diff --git a/net/dccp/ipv4.c b/net/dccp/ipv4.c index 409d0cf..b99168b 100644 --- a/net/dccp/ipv4.c +++ b/net/dccp/ipv4.c @@ -289,7 +289,8 @@ static void dccp_v4_err(struct sk_buff *skb, u32 info) switch (type) { case ICMP_REDIRECT: - dccp_do_redirect(skb, sk); + if (!sock_owned_by_user(sk)) + dccp_do_redirect(skb, sk); goto out; case ICMP_SOURCE_QUENCH: /* Just silently ignore these. */ diff --git a/net/dccp/ipv6.c b/net/dccp/ipv6.c index 233b573..d9b6a4e 100644 --- a/net/dccp/ipv6.c +++ b/net/dccp/ipv6.c @@ -122,10 +122,12 @@ static void dccp_v6_err(struct sk_buff *skb, struct inet6_skb_parm *opt, np = inet6_sk(sk); if (type == NDISC_REDIRECT) { - struct dst_entry *dst = __sk_dst_check(sk, np->dst_cookie); + if (!sock_owned_by_user(sk)) { + struct dst_entry *dst = __sk_dst_check(sk, np->dst_cookie); - if (dst) - dst->ops->redirect(dst, sk, skb); + if (dst) + dst->ops->redirect(dst, sk, skb); + } goto out; } diff --git a/net/dccp/minisocks.c b/net/dccp/minisocks.c index e267e6f..abd07a4 100644 --- a/net/dccp/minisocks.c +++ b/net/dccp/minisocks.c @@ -142,6 +142,13 @@ struct sock *dccp_check_req(struct sock *sk, struct sk_buff *skb, struct dccp_request_sock *dreq = dccp_rsk(req); bool own_req; + /* TCP/DCCP listeners became lockless. + * DCCP stores complex state in its request_sock, so we need + * a protection for them, now this code runs without being protected + * by the parent (listener) lock. + */ + spin_lock_bh(&dreq->dreq_lock); + /* Check for retransmitted REQUEST */ if (dccp_hdr(skb)->dccph_type == DCCP_PKT_REQUEST) { @@ -156,7 +163,7 @@ struct sock *dccp_check_req(struct sock *sk, struct sk_buff *skb, inet_rtx_syn_ack(sk, req); } /* Network Duplicate, discard packet */ - return NULL; + goto out; } DCCP_SKB_CB(skb)->dccpd_reset_code = DCCP_RESET_CODE_PACKET_ERROR; @@ -182,20 +189,20 @@ struct sock *dccp_check_req(struct sock *sk, struct sk_buff *skb, child = inet_csk(sk)->icsk_af_ops->syn_recv_sock(sk, skb, req, NULL, req, &own_req); - if (!child) - goto listen_overflow; - - return inet_csk_complete_hashdance(sk, child, req, own_req); + if (child) { + child = inet_csk_complete_hashdance(sk, child, req, own_req); + goto out; + } -listen_overflow: - dccp_pr_debug("listen_overflow!\n"); DCCP_SKB_CB(skb)->dccpd_reset_code = DCCP_RESET_CODE_TOO_BUSY; drop: if (dccp_hdr(skb)->dccph_type != DCCP_PKT_RESET) req->rsk_ops->send_reset(sk, skb); inet_csk_reqsk_queue_drop(sk, req); - return NULL; +out: + spin_unlock_bh(&dreq->dreq_lock); + return child; } EXPORT_SYMBOL_GPL(dccp_check_req); @@ -246,6 +253,7 @@ int dccp_reqsk_init(struct request_sock *req, { struct dccp_request_sock *dreq = dccp_rsk(req); + spin_lock_init(&dreq->dreq_lock); inet_rsk(req)->ir_rmt_port = dccp_hdr(skb)->dccph_sport; inet_rsk(req)->ir_num = ntohs(dccp_hdr(skb)->dccph_dport); inet_rsk(req)->acked = 0; diff --git a/net/decnet/af_decnet.c b/net/decnet/af_decnet.c index e6e79ed..7de5b40 100644 --- a/net/decnet/af_decnet.c +++ b/net/decnet/af_decnet.c @@ -1070,7 +1070,8 @@ static struct sk_buff *dn_wait_for_connect(struct sock *sk, long *timeo) return skb == NULL ? ERR_PTR(err) : skb; } -static int dn_accept(struct socket *sock, struct socket *newsock, int flags) +static int dn_accept(struct socket *sock, struct socket *newsock, int flags, + bool kern) { struct sock *sk = sock->sk, *newsk; struct sk_buff *skb = NULL; @@ -1099,7 +1100,7 @@ static int dn_accept(struct socket *sock, struct socket *newsock, int flags) cb = DN_SKB_CB(skb); sk->sk_ack_backlog--; - newsk = dn_alloc_sock(sock_net(sk), newsock, sk->sk_allocation, 0); + newsk = dn_alloc_sock(sock_net(sk), newsock, sk->sk_allocation, kern); if (newsk == NULL) { release_sock(sk); kfree_skb(skb); diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c index 602d40f..6b1fc6e 100644 --- a/net/ipv4/af_inet.c +++ b/net/ipv4/af_inet.c @@ -689,11 +689,12 @@ EXPORT_SYMBOL(inet_stream_connect); * Accept a pending connection. The TCP layer now gives BSD semantics. */ -int inet_accept(struct socket *sock, struct socket *newsock, int flags) +int inet_accept(struct socket *sock, struct socket *newsock, int flags, + bool kern) { struct sock *sk1 = sock->sk; int err = -EINVAL; - struct sock *sk2 = sk1->sk_prot->accept(sk1, flags, &err); + struct sock *sk2 = sk1->sk_prot->accept(sk1, flags, &err, kern); if (!sk2) goto do_err; @@ -1487,8 +1488,10 @@ int inet_gro_complete(struct sk_buff *skb, int nhoff) int proto = iph->protocol; int err = -ENOSYS; - if (skb->encapsulation) + if (skb->encapsulation) { + skb_set_inner_protocol(skb, cpu_to_be16(ETH_P_IP)); skb_set_inner_network_header(skb, nhoff); + } csum_replace2(&iph->check, iph->tot_len, newlen); iph->tot_len = newlen; diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c index 42bfd08..8f2133f 100644 --- a/net/ipv4/fib_frontend.c +++ b/net/ipv4/fib_frontend.c @@ -1083,7 +1083,8 @@ static void nl_fib_input(struct sk_buff *skb) net = sock_net(skb->sk); nlh = nlmsg_hdr(skb); - if (skb->len < NLMSG_HDRLEN || skb->len < nlh->nlmsg_len || + if (skb->len < nlmsg_total_size(sizeof(*frn)) || + skb->len < nlh->nlmsg_len || nlmsg_len(nlh) < sizeof(*frn)) return; diff --git a/net/ipv4/inet_connection_sock.c b/net/ipv4/inet_connection_sock.c index b4d5980..5e313c1 100644 --- a/net/ipv4/inet_connection_sock.c +++ b/net/ipv4/inet_connection_sock.c @@ -424,7 +424,7 @@ static int inet_csk_wait_for_connect(struct sock *sk, long timeo) /* * This will accept the next outstanding connection. */ -struct sock *inet_csk_accept(struct sock *sk, int flags, int *err) +struct sock *inet_csk_accept(struct sock *sk, int flags, int *err, bool kern) { struct inet_connection_sock *icsk = inet_csk(sk); struct request_sock_queue *queue = &icsk->icsk_accept_queue; diff --git a/net/ipv4/ip_fragment.c b/net/ipv4/ip_fragment.c index bbe7f72..b3cdeec 100644 --- a/net/ipv4/ip_fragment.c +++ b/net/ipv4/ip_fragment.c @@ -198,6 +198,7 @@ static void ip_expire(unsigned long arg) qp = container_of((struct inet_frag_queue *) arg, struct ipq, q); net = container_of(qp->q.net, struct net, ipv4.frags); + rcu_read_lock(); spin_lock(&qp->q.lock); if (qp->q.flags & INET_FRAG_COMPLETE) @@ -207,7 +208,7 @@ static void ip_expire(unsigned long arg) __IP_INC_STATS(net, IPSTATS_MIB_REASMFAILS); if (!inet_frag_evicting(&qp->q)) { - struct sk_buff *head = qp->q.fragments; + struct sk_buff *clone, *head = qp->q.fragments; const struct iphdr *iph; int err; @@ -216,32 +217,40 @@ static void ip_expire(unsigned long arg) if (!(qp->q.flags & INET_FRAG_FIRST_IN) || !qp->q.fragments) goto out; - rcu_read_lock(); head->dev = dev_get_by_index_rcu(net, qp->iif); if (!head->dev) - goto out_rcu_unlock; + goto out; + /* skb has no dst, perform route lookup again */ iph = ip_hdr(head); err = ip_route_input_noref(head, iph->daddr, iph->saddr, iph->tos, head->dev); if (err) - goto out_rcu_unlock; + goto out; /* Only an end host needs to send an ICMP * "Fragment Reassembly Timeout" message, per RFC792. */ if (frag_expire_skip_icmp(qp->user) && (skb_rtable(head)->rt_type != RTN_LOCAL)) - goto out_rcu_unlock; + goto out; + + clone = skb_clone(head, GFP_ATOMIC); /* Send an ICMP "Fragment Reassembly Timeout" message. */ - icmp_send(head, ICMP_TIME_EXCEEDED, ICMP_EXC_FRAGTIME, 0); -out_rcu_unlock: - rcu_read_unlock(); + if (clone) { + spin_unlock(&qp->q.lock); + icmp_send(clone, ICMP_TIME_EXCEEDED, + ICMP_EXC_FRAGTIME, 0); + consume_skb(clone); + goto out_rcu_unlock; + } } out: spin_unlock(&qp->q.lock); +out_rcu_unlock: + rcu_read_unlock(); ipq_put(qp); } diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c index 737ce82..7a3fd25 100644 --- a/net/ipv4/ip_output.c +++ b/net/ipv4/ip_output.c @@ -966,7 +966,7 @@ static int __ip_append_data(struct sock *sk, cork->length += length; if ((((length + fragheaderlen) > mtu) || (skb && skb_is_gso(skb))) && (sk->sk_protocol == IPPROTO_UDP) && - (rt->dst.dev->features & NETIF_F_UFO) && !rt->dst.header_len && + (rt->dst.dev->features & NETIF_F_UFO) && !dst_xfrm(&rt->dst) && (sk->sk_type == SOCK_DGRAM) && !sk->sk_no_check_tx) { err = ip_ufo_append_data(sk, queue, getfrag, from, length, hh_len, fragheaderlen, transhdrlen, diff --git a/net/ipv4/ipconfig.c b/net/ipv4/ipconfig.c index fd9f34b..dfb2ab2 100644 --- a/net/ipv4/ipconfig.c +++ b/net/ipv4/ipconfig.c @@ -306,7 +306,7 @@ static void __init ic_close_devs(void) while ((d = next)) { next = d->next; dev = d->dev; - if ((!ic_dev || dev != ic_dev->dev) && !netdev_uses_dsa(dev)) { + if (d != ic_dev && !netdev_uses_dsa(dev)) { pr_debug("IP-Config: Downing %s\n", dev->name); dev_change_flags(dev, d->flags); } diff --git a/net/ipv4/netfilter/ipt_CLUSTERIP.c b/net/ipv4/netfilter/ipt_CLUSTERIP.c index 52f2645..9b88413 100644 --- a/net/ipv4/netfilter/ipt_CLUSTERIP.c +++ b/net/ipv4/netfilter/ipt_CLUSTERIP.c @@ -461,7 +461,7 @@ static void clusterip_tg_destroy(const struct xt_tgdtor_param *par) clusterip_config_put(cipinfo->config); - nf_ct_netns_get(par->net, par->family); + nf_ct_netns_put(par->net, par->family); } #ifdef CONFIG_COMPAT diff --git a/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c b/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c index bc1486f..2e14ed1 100644 --- a/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c +++ b/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c @@ -165,6 +165,10 @@ static unsigned int ipv4_conntrack_local(void *priv, if (skb->len < sizeof(struct iphdr) || ip_hdrlen(skb) < sizeof(struct iphdr)) return NF_ACCEPT; + + if (ip_is_fragment(ip_hdr(skb))) /* IP_NODEFRAG setsockopt set */ + return NF_ACCEPT; + return nf_conntrack_in(state->net, PF_INET, state->hook, skb); } diff --git a/net/ipv4/netfilter/nf_nat_l3proto_ipv4.c b/net/ipv4/netfilter/nf_nat_l3proto_ipv4.c index f8aad03..6f5e8d0 100644 --- a/net/ipv4/netfilter/nf_nat_l3proto_ipv4.c +++ b/net/ipv4/netfilter/nf_nat_l3proto_ipv4.c @@ -255,11 +255,6 @@ nf_nat_ipv4_fn(void *priv, struct sk_buff *skb, /* maniptype == SRC for postrouting. */ enum nf_nat_manip_type maniptype = HOOK2MANIP(state->hook); - /* We never see fragments: conntrack defrags on pre-routing - * and local-out, and nf_nat_out protects post-routing. - */ - NF_CT_ASSERT(!ip_is_fragment(ip_hdr(skb))); - ct = nf_ct_get(skb, &ctinfo); /* Can't track? It's not due to stress, or conntrack would * have dropped it. Hence it's the user's responsibilty to diff --git a/net/ipv4/netfilter/nf_nat_snmp_basic.c b/net/ipv4/netfilter/nf_nat_snmp_basic.c index c9b52c3..53e49f5 100644 --- a/net/ipv4/netfilter/nf_nat_snmp_basic.c +++ b/net/ipv4/netfilter/nf_nat_snmp_basic.c @@ -1260,16 +1260,6 @@ static const struct nf_conntrack_expect_policy snmp_exp_policy = { .timeout = 180, }; -static struct nf_conntrack_helper snmp_helper __read_mostly = { - .me = THIS_MODULE, - .help = help, - .expect_policy = &snmp_exp_policy, - .name = "snmp", - .tuple.src.l3num = AF_INET, - .tuple.src.u.udp.port = cpu_to_be16(SNMP_PORT), - .tuple.dst.protonum = IPPROTO_UDP, -}; - static struct nf_conntrack_helper snmp_trap_helper __read_mostly = { .me = THIS_MODULE, .help = help, @@ -1288,22 +1278,16 @@ static struct nf_conntrack_helper snmp_trap_helper __read_mostly = { static int __init nf_nat_snmp_basic_init(void) { - int ret = 0; - BUG_ON(nf_nat_snmp_hook != NULL); RCU_INIT_POINTER(nf_nat_snmp_hook, help); - ret = nf_conntrack_helper_register(&snmp_trap_helper); - if (ret < 0) { - nf_conntrack_helper_unregister(&snmp_helper); - return ret; - } - return ret; + return nf_conntrack_helper_register(&snmp_trap_helper); } static void __exit nf_nat_snmp_basic_fini(void) { RCU_INIT_POINTER(nf_nat_snmp_hook, NULL); + synchronize_rcu(); nf_conntrack_helper_unregister(&snmp_trap_helper); } diff --git a/net/ipv4/netfilter/nft_masq_ipv4.c b/net/ipv4/netfilter/nft_masq_ipv4.c index a0ea8aa..f186772 100644 --- a/net/ipv4/netfilter/nft_masq_ipv4.c +++ b/net/ipv4/netfilter/nft_masq_ipv4.c @@ -26,10 +26,10 @@ static void nft_masq_ipv4_eval(const struct nft_expr *expr, memset(&range, 0, sizeof(range)); range.flags = priv->flags; if (priv->sreg_proto_min) { - range.min_proto.all = - *(__be16 *)®s->data[priv->sreg_proto_min]; - range.max_proto.all = - *(__be16 *)®s->data[priv->sreg_proto_max]; + range.min_proto.all = (__force __be16)nft_reg_load16( + ®s->data[priv->sreg_proto_min]); + range.max_proto.all = (__force __be16)nft_reg_load16( + ®s->data[priv->sreg_proto_max]); } regs->verdict.code = nf_nat_masquerade_ipv4(pkt->skb, nft_hook(pkt), &range, nft_out(pkt)); diff --git a/net/ipv4/netfilter/nft_redir_ipv4.c b/net/ipv4/netfilter/nft_redir_ipv4.c index 1650ed2..5120be1 100644 --- a/net/ipv4/netfilter/nft_redir_ipv4.c +++ b/net/ipv4/netfilter/nft_redir_ipv4.c @@ -26,10 +26,10 @@ static void nft_redir_ipv4_eval(const struct nft_expr *expr, memset(&mr, 0, sizeof(mr)); if (priv->sreg_proto_min) { - mr.range[0].min.all = - *(__be16 *)®s->data[priv->sreg_proto_min]; - mr.range[0].max.all = - *(__be16 *)®s->data[priv->sreg_proto_max]; + mr.range[0].min.all = (__force __be16)nft_reg_load16( + ®s->data[priv->sreg_proto_min]); + mr.range[0].max.all = (__force __be16)nft_reg_load16( + ®s->data[priv->sreg_proto_max]); mr.range[0].flags |= NF_NAT_RANGE_PROTO_SPECIFIED; } diff --git a/net/ipv4/ping.c b/net/ipv4/ping.c index 2af6244..ccfbce1 100644 --- a/net/ipv4/ping.c +++ b/net/ipv4/ping.c @@ -156,17 +156,18 @@ int ping_hash(struct sock *sk) void ping_unhash(struct sock *sk) { struct inet_sock *isk = inet_sk(sk); + pr_debug("ping_unhash(isk=%p,isk->num=%u)\n", isk, isk->inet_num); + write_lock_bh(&ping_table.lock); if (sk_hashed(sk)) { - write_lock_bh(&ping_table.lock); hlist_nulls_del(&sk->sk_nulls_node); sk_nulls_node_init(&sk->sk_nulls_node); sock_put(sk); isk->inet_num = 0; isk->inet_sport = 0; sock_prot_inuse_add(sock_net(sk), sk->sk_prot, -1); - write_unlock_bh(&ping_table.lock); } + write_unlock_bh(&ping_table.lock); } EXPORT_SYMBOL_GPL(ping_unhash); diff --git a/net/ipv4/route.c b/net/ipv4/route.c index 8471dd1..acd69cf 100644 --- a/net/ipv4/route.c +++ b/net/ipv4/route.c @@ -2620,7 +2620,7 @@ static int inet_rtm_getroute(struct sk_buff *in_skb, struct nlmsghdr *nlh) skb_reset_network_header(skb); /* Bugfix: need to give ip_route_input enough of an IP header to not gag. */ - ip_hdr(skb)->protocol = IPPROTO_ICMP; + ip_hdr(skb)->protocol = IPPROTO_UDP; skb_reserve(skb, MAX_HEADER + sizeof(struct iphdr)); src = tb[RTA_SRC] ? nla_get_in_addr(tb[RTA_SRC]) : 0; diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index cf45555..40ba424 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -2322,6 +2322,7 @@ int tcp_disconnect(struct sock *sk, int flags) tcp_init_send_head(sk); memset(&tp->rx_opt, 0, sizeof(tp->rx_opt)); __sk_dst_reset(sk); + tcp_saved_syn_free(tp); /* Clean up fastopen related fields */ tcp_free_fastopen_req(tp); @@ -2770,7 +2771,7 @@ void tcp_get_info(struct sock *sk, struct tcp_info *info) { const struct tcp_sock *tp = tcp_sk(sk); /* iff sk_type == SOCK_STREAM */ const struct inet_connection_sock *icsk = inet_csk(sk); - u32 now = tcp_time_stamp, intv; + u32 now, intv; u64 rate64; bool slow; u32 rate; @@ -2839,6 +2840,7 @@ void tcp_get_info(struct sock *sk, struct tcp_info *info) info->tcpi_retrans = tp->retrans_out; info->tcpi_fackets = tp->fackets_out; + now = tcp_time_stamp; info->tcpi_last_data_sent = jiffies_to_msecs(now - tp->lsndtime); info->tcpi_last_data_recv = jiffies_to_msecs(now - icsk->icsk_ack.lrcvtime); info->tcpi_last_ack_recv = jiffies_to_msecs(now - tp->rcv_tstamp); diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c index 39c393c..659d1ba 100644 --- a/net/ipv4/tcp_input.c +++ b/net/ipv4/tcp_input.c @@ -126,7 +126,8 @@ int sysctl_tcp_invalid_ratelimit __read_mostly = HZ/2; #define REXMIT_LOST 1 /* retransmit packets marked lost */ #define REXMIT_NEW 2 /* FRTO-style transmit of unsent/new packets */ -static void tcp_gro_dev_warn(struct sock *sk, const struct sk_buff *skb) +static void tcp_gro_dev_warn(struct sock *sk, const struct sk_buff *skb, + unsigned int len) { static bool __once __read_mostly; @@ -137,8 +138,9 @@ static void tcp_gro_dev_warn(struct sock *sk, const struct sk_buff *skb) rcu_read_lock(); dev = dev_get_by_index_rcu(sock_net(sk), skb->skb_iif); - pr_warn("%s: Driver has suspect GRO implementation, TCP performance may be compromised.\n", - dev ? dev->name : "Unknown driver"); + if (!dev || len >= dev->mtu) + pr_warn("%s: Driver has suspect GRO implementation, TCP performance may be compromised.\n", + dev ? dev->name : "Unknown driver"); rcu_read_unlock(); } } @@ -161,8 +163,10 @@ static void tcp_measure_rcv_mss(struct sock *sk, const struct sk_buff *skb) if (len >= icsk->icsk_ack.rcv_mss) { icsk->icsk_ack.rcv_mss = min_t(unsigned int, len, tcp_sk(sk)->advmss); - if (unlikely(icsk->icsk_ack.rcv_mss != len)) - tcp_gro_dev_warn(sk, skb); + /* Account for possibly-removed options */ + if (unlikely(len > icsk->icsk_ack.rcv_mss + + MAX_TCP_OPTION_SPACE)) + tcp_gro_dev_warn(sk, skb, len); } else { /* Otherwise, we make more careful check taking into account, * that SACKs block is variable. @@ -874,22 +878,11 @@ static void tcp_update_reordering(struct sock *sk, const int metric, const int ts) { struct tcp_sock *tp = tcp_sk(sk); - if (metric > tp->reordering) { - int mib_idx; + int mib_idx; + if (metric > tp->reordering) { tp->reordering = min(sysctl_tcp_max_reordering, metric); - /* This exciting event is worth to be remembered. 8) */ - if (ts) - mib_idx = LINUX_MIB_TCPTSREORDER; - else if (tcp_is_reno(tp)) - mib_idx = LINUX_MIB_TCPRENOREORDER; - else if (tcp_is_fack(tp)) - mib_idx = LINUX_MIB_TCPFACKREORDER; - else - mib_idx = LINUX_MIB_TCPSACKREORDER; - - NET_INC_STATS(sock_net(sk), mib_idx); #if FASTRETRANS_DEBUG > 1 pr_debug("Disorder%d %d %u f%u s%u rr%d\n", tp->rx_opt.sack_ok, inet_csk(sk)->icsk_ca_state, @@ -902,6 +895,18 @@ static void tcp_update_reordering(struct sock *sk, const int metric, } tp->rack.reord = 1; + + /* This exciting event is worth to be remembered. 8) */ + if (ts) + mib_idx = LINUX_MIB_TCPTSREORDER; + else if (tcp_is_reno(tp)) + mib_idx = LINUX_MIB_TCPRENOREORDER; + else if (tcp_is_fack(tp)) + mib_idx = LINUX_MIB_TCPFACKREORDER; + else + mib_idx = LINUX_MIB_TCPSACKREORDER; + + NET_INC_STATS(sock_net(sk), mib_idx); } /* This must be called before lost_out is incremented */ @@ -1930,6 +1935,7 @@ void tcp_enter_loss(struct sock *sk) struct tcp_sock *tp = tcp_sk(sk); struct net *net = sock_net(sk); struct sk_buff *skb; + bool new_recovery = icsk->icsk_ca_state < TCP_CA_Recovery; bool is_reneg; /* is receiver reneging on SACKs? */ bool mark_lost; @@ -1989,15 +1995,18 @@ void tcp_enter_loss(struct sock *sk) tp->high_seq = tp->snd_nxt; tcp_ecn_queue_cwr(tp); - /* F-RTO RFC5682 sec 3.1 step 1 mandates to disable F-RTO - * if a previous recovery is underway, otherwise it may incorrectly - * call a timeout spurious if some previously retransmitted packets - * are s/acked (sec 3.2). We do not apply that retriction since - * retransmitted skbs are permanently tagged with TCPCB_EVER_RETRANS - * so FLAG_ORIG_SACK_ACKED is always correct. But we do disable F-RTO - * on PTMU discovery to avoid sending new data. + /* F-RTO RFC5682 sec 3.1 step 1: retransmit SND.UNA if no previous + * loss recovery is underway except recurring timeout(s) on + * the same SND.UNA (sec 3.2). Disable F-RTO on path MTU probing + * + * In theory F-RTO can be used repeatedly during loss recovery. + * In practice this interacts badly with broken middle-boxes that + * falsely raise the receive window, which results in repeated + * timeouts and stop-and-go behavior. */ - tp->frto = sysctl_tcp_frto && !inet_csk(sk)->icsk_mtup.probe_size; + tp->frto = sysctl_tcp_frto && + (new_recovery || icsk->icsk_retransmits) && + !inet_csk(sk)->icsk_mtup.probe_size; } /* If ACK arrived pointing to a remembered SACK, it means that our @@ -5541,6 +5550,7 @@ void tcp_finish_connect(struct sock *sk, struct sk_buff *skb) struct inet_connection_sock *icsk = inet_csk(sk); tcp_set_state(sk, TCP_ESTABLISHED); + icsk->icsk_ack.lrcvtime = tcp_time_stamp; if (skb) { icsk->icsk_af_ops->sk_rx_dst_set(sk, skb); @@ -5759,7 +5769,6 @@ static int tcp_rcv_synsent_state_process(struct sock *sk, struct sk_buff *skb, * to stand against the temptation 8) --ANK */ inet_csk_schedule_ack(sk); - icsk->icsk_ack.lrcvtime = tcp_time_stamp; tcp_enter_quickack_mode(sk); inet_csk_reset_xmit_timer(sk, ICSK_TIME_DACK, TCP_DELACK_MAX, TCP_RTO_MAX); diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c index 9a89b8d..575e19d 100644 --- a/net/ipv4/tcp_ipv4.c +++ b/net/ipv4/tcp_ipv4.c @@ -279,10 +279,13 @@ EXPORT_SYMBOL(tcp_v4_connect); */ void tcp_v4_mtu_reduced(struct sock *sk) { - struct dst_entry *dst; struct inet_sock *inet = inet_sk(sk); - u32 mtu = tcp_sk(sk)->mtu_info; + struct dst_entry *dst; + u32 mtu; + if ((1 << sk->sk_state) & (TCPF_LISTEN | TCPF_CLOSE)) + return; + mtu = tcp_sk(sk)->mtu_info; dst = inet_csk_update_pmtu(sk, mtu); if (!dst) return; @@ -428,7 +431,8 @@ void tcp_v4_err(struct sk_buff *icmp_skb, u32 info) switch (type) { case ICMP_REDIRECT: - do_redirect(icmp_skb, sk); + if (!sock_owned_by_user(sk)) + do_redirect(icmp_skb, sk); goto out; case ICMP_SOURCE_QUENCH: /* Just silently ignore these. */ diff --git a/net/ipv4/tcp_minisocks.c b/net/ipv4/tcp_minisocks.c index 7e16243..65c0f3d 100644 --- a/net/ipv4/tcp_minisocks.c +++ b/net/ipv4/tcp_minisocks.c @@ -460,6 +460,7 @@ struct sock *tcp_create_openreq_child(const struct sock *sk, newtp->mdev_us = jiffies_to_usecs(TCP_TIMEOUT_INIT); minmax_reset(&newtp->rtt_min, tcp_time_stamp, ~0U); newicsk->icsk_rto = TCP_TIMEOUT_INIT; + newicsk->icsk_ack.lrcvtime = tcp_time_stamp; newtp->packets_out = 0; newtp->retrans_out = 0; diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c index 22548b5..c3c082e 100644 --- a/net/ipv4/tcp_output.c +++ b/net/ipv4/tcp_output.c @@ -2999,6 +2999,8 @@ void tcp_send_active_reset(struct sock *sk, gfp_t priority) { struct sk_buff *skb; + TCP_INC_STATS(sock_net(sk), TCP_MIB_OUTRSTS); + /* NOTE: No TCP options attached and we never retransmit this. */ skb = alloc_skb(MAX_TCP_HEADER, priority); if (!skb) { @@ -3014,8 +3016,6 @@ void tcp_send_active_reset(struct sock *sk, gfp_t priority) /* Send it off. */ if (tcp_transmit_skb(sk, skb, 0, priority)) NET_INC_STATS(sock_net(sk), LINUX_MIB_TCPABORTFAILED); - - TCP_INC_STATS(sock_net(sk), TCP_MIB_OUTRSTS); } /* Send a crossed SYN-ACK during socket establishment. diff --git a/net/ipv4/tcp_recovery.c b/net/ipv4/tcp_recovery.c index 4ecb38a..d8acbd9 100644 --- a/net/ipv4/tcp_recovery.c +++ b/net/ipv4/tcp_recovery.c @@ -12,7 +12,8 @@ static void tcp_rack_mark_skb_lost(struct sock *sk, struct sk_buff *skb) /* Account for retransmits that are lost again */ TCP_SKB_CB(skb)->sacked &= ~TCPCB_SACKED_RETRANS; tp->retrans_out -= tcp_skb_pcount(skb); - NET_INC_STATS(sock_net(sk), LINUX_MIB_TCPLOSTRETRANSMIT); + NET_ADD_STATS(sock_net(sk), LINUX_MIB_TCPLOSTRETRANSMIT, + tcp_skb_pcount(skb)); } } diff --git a/net/ipv4/tcp_timer.c b/net/ipv4/tcp_timer.c index 40d8935..b2ab411 100644 --- a/net/ipv4/tcp_timer.c +++ b/net/ipv4/tcp_timer.c @@ -249,7 +249,8 @@ void tcp_delack_timer_handler(struct sock *sk) sk_mem_reclaim_partial(sk); - if (sk->sk_state == TCP_CLOSE || !(icsk->icsk_ack.pending & ICSK_ACK_TIMER)) + if (((1 << sk->sk_state) & (TCPF_CLOSE | TCPF_LISTEN)) || + !(icsk->icsk_ack.pending & ICSK_ACK_TIMER)) goto out; if (time_after(icsk->icsk_ack.timeout, jiffies)) { @@ -552,7 +553,8 @@ void tcp_write_timer_handler(struct sock *sk) struct inet_connection_sock *icsk = inet_csk(sk); int event; - if (sk->sk_state == TCP_CLOSE || !icsk->icsk_pending) + if (((1 << sk->sk_state) & (TCPF_CLOSE | TCPF_LISTEN)) || + !icsk->icsk_pending) goto out; if (time_after(icsk->icsk_timeout, jiffies)) { diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c index 3631725..80ce478 100644 --- a/net/ipv6/addrconf.c +++ b/net/ipv6/addrconf.c @@ -3626,14 +3626,19 @@ restart: INIT_LIST_HEAD(&del_list); list_for_each_entry_safe(ifa, tmp, &idev->addr_list, if_list) { struct rt6_info *rt = NULL; + bool keep; addrconf_del_dad_work(ifa); + keep = keep_addr && (ifa->flags & IFA_F_PERMANENT) && + !addr_is_local(&ifa->addr); + if (!keep) + list_move(&ifa->if_list, &del_list); + write_unlock_bh(&idev->lock); spin_lock_bh(&ifa->lock); - if (keep_addr && (ifa->flags & IFA_F_PERMANENT) && - !addr_is_local(&ifa->addr)) { + if (keep) { /* set state to skip the notifier below */ state = INET6_IFADDR_STATE_DEAD; ifa->state = 0; @@ -3645,8 +3650,6 @@ restart: } else { state = ifa->state; ifa->state = INET6_IFADDR_STATE_DEAD; - - list_move(&ifa->if_list, &del_list); } spin_unlock_bh(&ifa->lock); diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c index 04db406..a9a9553 100644 --- a/net/ipv6/af_inet6.c +++ b/net/ipv6/af_inet6.c @@ -920,12 +920,12 @@ static int __init inet6_init(void) err = register_pernet_subsys(&inet6_net_ops); if (err) goto register_pernet_fail; - err = icmpv6_init(); - if (err) - goto icmp_fail; err = ip6_mr_init(); if (err) goto ipmr_fail; + err = icmpv6_init(); + if (err) + goto icmp_fail; err = ndisc_init(); if (err) goto ndisc_fail; @@ -1061,10 +1061,10 @@ igmp_fail: ndisc_cleanup(); ndisc_fail: ip6_mr_cleanup(); -ipmr_fail: - icmpv6_cleanup(); icmp_fail: unregister_pernet_subsys(&inet6_net_ops); +ipmr_fail: + icmpv6_cleanup(); register_pernet_fail: sock_unregister(PF_INET6); rtnl_unregister_all(PF_INET6); diff --git a/net/ipv6/ip6_fib.c b/net/ipv6/ip6_fib.c index e426674..d4bf2c6 100644 --- a/net/ipv6/ip6_fib.c +++ b/net/ipv6/ip6_fib.c @@ -923,6 +923,8 @@ add: ins = &rt->dst.rt6_next; iter = *ins; while (iter) { + if (iter->rt6i_metric > rt->rt6i_metric) + break; if (rt6_qualify_for_ecmp(iter)) { *ins = iter->dst.rt6_next; fib6_purge_rt(iter, fn, info->nl_net); diff --git a/net/ipv6/ip6_offload.c b/net/ipv6/ip6_offload.c index 0838e6d..93e58a5 100644 --- a/net/ipv6/ip6_offload.c +++ b/net/ipv6/ip6_offload.c @@ -294,8 +294,10 @@ static int ipv6_gro_complete(struct sk_buff *skb, int nhoff) struct ipv6hdr *iph = (struct ipv6hdr *)(skb->data + nhoff); int err = -ENOSYS; - if (skb->encapsulation) + if (skb->encapsulation) { + skb_set_inner_protocol(skb, cpu_to_be16(ETH_P_IPV6)); skb_set_inner_network_header(skb, nhoff); + } iph->payload_len = htons(skb->len - nhoff - sizeof(*iph)); diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c index 528b3c1..58f6288 100644 --- a/net/ipv6/ip6_output.c +++ b/net/ipv6/ip6_output.c @@ -768,13 +768,14 @@ slow_path: * Fragment the datagram. */ - *prevhdr = NEXTHDR_FRAGMENT; troom = rt->dst.dev->needed_tailroom; /* * Keep copying data until we run out. */ while (left > 0) { + u8 *fragnexthdr_offset; + len = left; /* IF: it doesn't fit, use 'mtu' - the data space left */ if (len > mtu) @@ -819,6 +820,10 @@ slow_path: */ skb_copy_from_linear_data(skb, skb_network_header(frag), hlen); + fragnexthdr_offset = skb_network_header(frag); + fragnexthdr_offset += prevhdr - skb_network_header(skb); + *fragnexthdr_offset = NEXTHDR_FRAGMENT; + /* * Build fragment header. */ @@ -1385,7 +1390,7 @@ emsgsize: if ((((length + fragheaderlen) > mtu) || (skb && skb_is_gso(skb))) && (sk->sk_protocol == IPPROTO_UDP) && - (rt->dst.dev->features & NETIF_F_UFO) && !rt->dst.header_len && + (rt->dst.dev->features & NETIF_F_UFO) && !dst_xfrm(&rt->dst) && (sk->sk_type == SOCK_DGRAM) && !udp_get_no_check6_tx(sk)) { err = ip6_ufo_append_data(sk, queue, getfrag, from, length, hh_len, fragheaderlen, exthdrlen, diff --git a/net/ipv6/ip6_vti.c b/net/ipv6/ip6_vti.c index 644ba59..3d8a3b6 100644 --- a/net/ipv6/ip6_vti.c +++ b/net/ipv6/ip6_vti.c @@ -485,11 +485,15 @@ vti6_xmit(struct sk_buff *skb, struct net_device *dev, struct flowi *fl) if (!skb->ignore_df && skb->len > mtu) { skb_dst(skb)->ops->update_pmtu(dst, NULL, skb, mtu); - if (skb->protocol == htons(ETH_P_IPV6)) + if (skb->protocol == htons(ETH_P_IPV6)) { + if (mtu < IPV6_MIN_MTU) + mtu = IPV6_MIN_MTU; + icmpv6_send(skb, ICMPV6_PKT_TOOBIG, 0, mtu); - else + } else { icmp_send(skb, ICMP_DEST_UNREACH, ICMP_FRAG_NEEDED, htonl(mtu)); + } return -EMSGSIZE; } diff --git a/net/ipv6/netfilter/nft_masq_ipv6.c b/net/ipv6/netfilter/nft_masq_ipv6.c index 6c5b5b1..4146536 100644 --- a/net/ipv6/netfilter/nft_masq_ipv6.c +++ b/net/ipv6/netfilter/nft_masq_ipv6.c @@ -27,10 +27,10 @@ static void nft_masq_ipv6_eval(const struct nft_expr *expr, memset(&range, 0, sizeof(range)); range.flags = priv->flags; if (priv->sreg_proto_min) { - range.min_proto.all = - *(__be16 *)®s->data[priv->sreg_proto_min]; - range.max_proto.all = - *(__be16 *)®s->data[priv->sreg_proto_max]; + range.min_proto.all = (__force __be16)nft_reg_load16( + ®s->data[priv->sreg_proto_min]); + range.max_proto.all = (__force __be16)nft_reg_load16( + ®s->data[priv->sreg_proto_max]); } regs->verdict.code = nf_nat_masquerade_ipv6(pkt->skb, &range, nft_out(pkt)); diff --git a/net/ipv6/netfilter/nft_redir_ipv6.c b/net/ipv6/netfilter/nft_redir_ipv6.c index f5ac080..a27e424 100644 --- a/net/ipv6/netfilter/nft_redir_ipv6.c +++ b/net/ipv6/netfilter/nft_redir_ipv6.c @@ -26,10 +26,10 @@ static void nft_redir_ipv6_eval(const struct nft_expr *expr, memset(&range, 0, sizeof(range)); if (priv->sreg_proto_min) { - range.min_proto.all = - *(__be16 *)®s->data[priv->sreg_proto_min], - range.max_proto.all = - *(__be16 *)®s->data[priv->sreg_proto_max], + range.min_proto.all = (__force __be16)nft_reg_load16( + ®s->data[priv->sreg_proto_min]); + range.max_proto.all = (__force __be16)nft_reg_load16( + ®s->data[priv->sreg_proto_max]); range.flags |= NF_NAT_RANGE_PROTO_SPECIFIED; } diff --git a/net/ipv6/route.c b/net/ipv6/route.c index 229bfcc..9db14189 100644 --- a/net/ipv6/route.c +++ b/net/ipv6/route.c @@ -3299,7 +3299,6 @@ static size_t rt6_nlmsg_size(struct rt6_info *rt) nexthop_len = nla_total_size(0) /* RTA_MULTIPATH */ + NLA_ALIGN(sizeof(struct rtnexthop)) + nla_total_size(16) /* RTA_GATEWAY */ - + nla_total_size(4) /* RTA_OIF */ + lwtunnel_get_encap_size(rt->dst.lwtstate); nexthop_len *= rt->rt6i_nsiblings; @@ -3323,7 +3322,7 @@ static size_t rt6_nlmsg_size(struct rt6_info *rt) } static int rt6_nexthop_info(struct sk_buff *skb, struct rt6_info *rt, - unsigned int *flags) + unsigned int *flags, bool skip_oif) { if (!netif_running(rt->dst.dev) || !netif_carrier_ok(rt->dst.dev)) { *flags |= RTNH_F_LINKDOWN; @@ -3336,7 +3335,8 @@ static int rt6_nexthop_info(struct sk_buff *skb, struct rt6_info *rt, goto nla_put_failure; } - if (rt->dst.dev && + /* not needed for multipath encoding b/c it has a rtnexthop struct */ + if (!skip_oif && rt->dst.dev && nla_put_u32(skb, RTA_OIF, rt->dst.dev->ifindex)) goto nla_put_failure; @@ -3350,6 +3350,7 @@ nla_put_failure: return -EMSGSIZE; } +/* add multipath next hop */ static int rt6_add_nexthop(struct sk_buff *skb, struct rt6_info *rt) { struct rtnexthop *rtnh; @@ -3362,7 +3363,7 @@ static int rt6_add_nexthop(struct sk_buff *skb, struct rt6_info *rt) rtnh->rtnh_hops = 0; rtnh->rtnh_ifindex = rt->dst.dev ? rt->dst.dev->ifindex : 0; - if (rt6_nexthop_info(skb, rt, &flags) < 0) + if (rt6_nexthop_info(skb, rt, &flags, true) < 0) goto nla_put_failure; rtnh->rtnh_flags = flags; @@ -3422,6 +3423,8 @@ static int rt6_fill_node(struct net *net, } else if (rt->rt6i_flags & RTF_LOCAL) rtm->rtm_type = RTN_LOCAL; + else if (rt->rt6i_flags & RTF_ANYCAST) + rtm->rtm_type = RTN_ANYCAST; else if (rt->dst.dev && (rt->dst.dev->flags & IFF_LOOPBACK)) rtm->rtm_type = RTN_LOCAL; else @@ -3515,7 +3518,7 @@ static int rt6_fill_node(struct net *net, nla_nest_end(skb, mp); } else { - if (rt6_nexthop_info(skb, rt, &rtm->rtm_flags) < 0) + if (rt6_nexthop_info(skb, rt, &rtm->rtm_flags, false) < 0) goto nla_put_failure; } diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c index 60a5295..49fa2e8 100644 --- a/net/ipv6/tcp_ipv6.c +++ b/net/ipv6/tcp_ipv6.c @@ -391,10 +391,12 @@ static void tcp_v6_err(struct sk_buff *skb, struct inet6_skb_parm *opt, np = inet6_sk(sk); if (type == NDISC_REDIRECT) { - struct dst_entry *dst = __sk_dst_check(sk, np->dst_cookie); + if (!sock_owned_by_user(sk)) { + struct dst_entry *dst = __sk_dst_check(sk, np->dst_cookie); - if (dst) - dst->ops->redirect(dst, sk, skb); + if (dst) + dst->ops->redirect(dst, sk, skb); + } goto out; } diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c index 4e4c401..e28082f 100644 --- a/net/ipv6/udp.c +++ b/net/ipv6/udp.c @@ -1035,6 +1035,7 @@ int udpv6_sendmsg(struct sock *sk, struct msghdr *msg, size_t len) ipc6.hlimit = -1; ipc6.tclass = -1; ipc6.dontfrag = -1; + sockc.tsflags = sk->sk_tsflags; /* destination address check */ if (sin6) { @@ -1159,7 +1160,6 @@ do_udp_sendmsg: fl6.flowi6_mark = sk->sk_mark; fl6.flowi6_uid = sk->sk_uid; - sockc.tsflags = sk->sk_tsflags; if (msg->msg_controllen) { opt = &opt_space; diff --git a/net/irda/af_irda.c b/net/irda/af_irda.c index 81adc29..8d77ad5 100644 --- a/net/irda/af_irda.c +++ b/net/irda/af_irda.c @@ -828,7 +828,8 @@ out: * Wait for incoming connection * */ -static int irda_accept(struct socket *sock, struct socket *newsock, int flags) +static int irda_accept(struct socket *sock, struct socket *newsock, int flags, + bool kern) { struct sock *sk = sock->sk; struct irda_sock *new, *self = irda_sk(sk); @@ -836,7 +837,7 @@ static int irda_accept(struct socket *sock, struct socket *newsock, int flags) struct sk_buff *skb = NULL; int err; - err = irda_create(sock_net(sk), newsock, sk->sk_protocol, 0); + err = irda_create(sock_net(sk), newsock, sk->sk_protocol, kern); if (err) return err; diff --git a/net/iucv/af_iucv.c b/net/iucv/af_iucv.c index 89bbde1..84de7b6 100644 --- a/net/iucv/af_iucv.c +++ b/net/iucv/af_iucv.c @@ -938,7 +938,7 @@ done: /* Accept a pending connection */ static int iucv_sock_accept(struct socket *sock, struct socket *newsock, - int flags) + int flags, bool kern) { DECLARE_WAITQUEUE(wait, current); struct sock *sk = sock->sk, *nsk; diff --git a/net/kcm/kcmsock.c b/net/kcm/kcmsock.c index 309062f..31762f7 100644 --- a/net/kcm/kcmsock.c +++ b/net/kcm/kcmsock.c @@ -1687,7 +1687,7 @@ static int kcm_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg) struct kcm_attach info; if (copy_from_user(&info, (void __user *)arg, sizeof(info))) - err = -EFAULT; + return -EFAULT; err = kcm_attach_ioctl(sock, &info); @@ -1697,7 +1697,7 @@ static int kcm_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg) struct kcm_unattach info; if (copy_from_user(&info, (void __user *)arg, sizeof(info))) - err = -EFAULT; + return -EFAULT; err = kcm_unattach_ioctl(sock, &info); @@ -1708,7 +1708,7 @@ static int kcm_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg) struct socket *newsock = NULL; if (copy_from_user(&info, (void __user *)arg, sizeof(info))) - err = -EFAULT; + return -EFAULT; err = kcm_clone(sock, &info, &newsock); diff --git a/net/l2tp/l2tp_core.c b/net/l2tp/l2tp_core.c index 8adab63..e37d955 100644 --- a/net/l2tp/l2tp_core.c +++ b/net/l2tp/l2tp_core.c @@ -278,7 +278,57 @@ struct l2tp_session *l2tp_session_find(struct net *net, struct l2tp_tunnel *tunn } EXPORT_SYMBOL_GPL(l2tp_session_find); -struct l2tp_session *l2tp_session_find_nth(struct l2tp_tunnel *tunnel, int nth) +/* Like l2tp_session_find() but takes a reference on the returned session. + * Optionally calls session->ref() too if do_ref is true. + */ +struct l2tp_session *l2tp_session_get(struct net *net, + struct l2tp_tunnel *tunnel, + u32 session_id, bool do_ref) +{ + struct hlist_head *session_list; + struct l2tp_session *session; + + if (!tunnel) { + struct l2tp_net *pn = l2tp_pernet(net); + + session_list = l2tp_session_id_hash_2(pn, session_id); + + rcu_read_lock_bh(); + hlist_for_each_entry_rcu(session, session_list, global_hlist) { + if (session->session_id == session_id) { + l2tp_session_inc_refcount(session); + if (do_ref && session->ref) + session->ref(session); + rcu_read_unlock_bh(); + + return session; + } + } + rcu_read_unlock_bh(); + + return NULL; + } + + session_list = l2tp_session_id_hash(tunnel, session_id); + read_lock_bh(&tunnel->hlist_lock); + hlist_for_each_entry(session, session_list, hlist) { + if (session->session_id == session_id) { + l2tp_session_inc_refcount(session); + if (do_ref && session->ref) + session->ref(session); + read_unlock_bh(&tunnel->hlist_lock); + + return session; + } + } + read_unlock_bh(&tunnel->hlist_lock); + + return NULL; +} +EXPORT_SYMBOL_GPL(l2tp_session_get); + +struct l2tp_session *l2tp_session_get_nth(struct l2tp_tunnel *tunnel, int nth, + bool do_ref) { int hash; struct l2tp_session *session; @@ -288,6 +338,9 @@ struct l2tp_session *l2tp_session_find_nth(struct l2tp_tunnel *tunnel, int nth) for (hash = 0; hash < L2TP_HASH_SIZE; hash++) { hlist_for_each_entry(session, &tunnel->session_hlist[hash], hlist) { if (++count > nth) { + l2tp_session_inc_refcount(session); + if (do_ref && session->ref) + session->ref(session); read_unlock_bh(&tunnel->hlist_lock); return session; } @@ -298,12 +351,13 @@ struct l2tp_session *l2tp_session_find_nth(struct l2tp_tunnel *tunnel, int nth) return NULL; } -EXPORT_SYMBOL_GPL(l2tp_session_find_nth); +EXPORT_SYMBOL_GPL(l2tp_session_get_nth); /* Lookup a session by interface name. * This is very inefficient but is only used by management interfaces. */ -struct l2tp_session *l2tp_session_find_by_ifname(struct net *net, char *ifname) +struct l2tp_session *l2tp_session_get_by_ifname(struct net *net, char *ifname, + bool do_ref) { struct l2tp_net *pn = l2tp_pernet(net); int hash; @@ -313,7 +367,11 @@ struct l2tp_session *l2tp_session_find_by_ifname(struct net *net, char *ifname) for (hash = 0; hash < L2TP_HASH_SIZE_2; hash++) { hlist_for_each_entry_rcu(session, &pn->l2tp_session_hlist[hash], global_hlist) { if (!strcmp(session->ifname, ifname)) { + l2tp_session_inc_refcount(session); + if (do_ref && session->ref) + session->ref(session); rcu_read_unlock_bh(); + return session; } } @@ -323,7 +381,49 @@ struct l2tp_session *l2tp_session_find_by_ifname(struct net *net, char *ifname) return NULL; } -EXPORT_SYMBOL_GPL(l2tp_session_find_by_ifname); +EXPORT_SYMBOL_GPL(l2tp_session_get_by_ifname); + +static int l2tp_session_add_to_tunnel(struct l2tp_tunnel *tunnel, + struct l2tp_session *session) +{ + struct l2tp_session *session_walk; + struct hlist_head *g_head; + struct hlist_head *head; + struct l2tp_net *pn; + + head = l2tp_session_id_hash(tunnel, session->session_id); + + write_lock_bh(&tunnel->hlist_lock); + hlist_for_each_entry(session_walk, head, hlist) + if (session_walk->session_id == session->session_id) + goto exist; + + if (tunnel->version == L2TP_HDR_VER_3) { + pn = l2tp_pernet(tunnel->l2tp_net); + g_head = l2tp_session_id_hash_2(l2tp_pernet(tunnel->l2tp_net), + session->session_id); + + spin_lock_bh(&pn->l2tp_session_hlist_lock); + hlist_for_each_entry(session_walk, g_head, global_hlist) + if (session_walk->session_id == session->session_id) + goto exist_glob; + + hlist_add_head_rcu(&session->global_hlist, g_head); + spin_unlock_bh(&pn->l2tp_session_hlist_lock); + } + + hlist_add_head(&session->hlist, head); + write_unlock_bh(&tunnel->hlist_lock); + + return 0; + +exist_glob: + spin_unlock_bh(&pn->l2tp_session_hlist_lock); +exist: + write_unlock_bh(&tunnel->hlist_lock); + + return -EEXIST; +} /* Lookup a tunnel by id */ @@ -633,6 +733,9 @@ discard: * a data (not control) frame before coming here. Fields up to the * session-id have already been parsed and ptr points to the data * after the session-id. + * + * session->ref() must have been called prior to l2tp_recv_common(). + * session->deref() will be called automatically after skb is processed. */ void l2tp_recv_common(struct l2tp_session *session, struct sk_buff *skb, unsigned char *ptr, unsigned char *optr, u16 hdrflags, @@ -642,14 +745,6 @@ void l2tp_recv_common(struct l2tp_session *session, struct sk_buff *skb, int offset; u32 ns, nr; - /* The ref count is increased since we now hold a pointer to - * the session. Take care to decrement the refcnt when exiting - * this function from now on... - */ - l2tp_session_inc_refcount(session); - if (session->ref) - (*session->ref)(session); - /* Parse and check optional cookie */ if (session->peer_cookie_len > 0) { if (memcmp(ptr, &session->peer_cookie[0], session->peer_cookie_len)) { @@ -802,8 +897,6 @@ void l2tp_recv_common(struct l2tp_session *session, struct sk_buff *skb, /* Try to dequeue as many skbs from reorder_q as we can. */ l2tp_recv_dequeue(session); - l2tp_session_dec_refcount(session); - return; discard: @@ -812,8 +905,6 @@ discard: if (session->deref) (*session->deref)(session); - - l2tp_session_dec_refcount(session); } EXPORT_SYMBOL(l2tp_recv_common); @@ -920,8 +1011,14 @@ static int l2tp_udp_recv_core(struct l2tp_tunnel *tunnel, struct sk_buff *skb, } /* Find the session context */ - session = l2tp_session_find(tunnel->l2tp_net, tunnel, session_id); + session = l2tp_session_get(tunnel->l2tp_net, tunnel, session_id, true); if (!session || !session->recv_skb) { + if (session) { + if (session->deref) + session->deref(session); + l2tp_session_dec_refcount(session); + } + /* Not found? Pass to userspace to deal with */ l2tp_info(tunnel, L2TP_MSG_DATA, "%s: no session found (%u/%u). Passing up.\n", @@ -930,6 +1027,7 @@ static int l2tp_udp_recv_core(struct l2tp_tunnel *tunnel, struct sk_buff *skb, } l2tp_recv_common(session, skb, ptr, optr, hdrflags, length, payload_hook); + l2tp_session_dec_refcount(session); return 0; @@ -1738,6 +1836,7 @@ EXPORT_SYMBOL_GPL(l2tp_session_set_header_len); struct l2tp_session *l2tp_session_create(int priv_size, struct l2tp_tunnel *tunnel, u32 session_id, u32 peer_session_id, struct l2tp_session_cfg *cfg) { struct l2tp_session *session; + int err; session = kzalloc(sizeof(struct l2tp_session) + priv_size, GFP_KERNEL); if (session != NULL) { @@ -1793,6 +1892,13 @@ struct l2tp_session *l2tp_session_create(int priv_size, struct l2tp_tunnel *tunn l2tp_session_set_header_len(session, tunnel->version); + err = l2tp_session_add_to_tunnel(tunnel, session); + if (err) { + kfree(session); + + return ERR_PTR(err); + } + /* Bump the reference count. The session context is deleted * only when this drops to zero. */ @@ -1802,28 +1908,14 @@ struct l2tp_session *l2tp_session_create(int priv_size, struct l2tp_tunnel *tunn /* Ensure tunnel socket isn't deleted */ sock_hold(tunnel->sock); - /* Add session to the tunnel's hash list */ - write_lock_bh(&tunnel->hlist_lock); - hlist_add_head(&session->hlist, - l2tp_session_id_hash(tunnel, session_id)); - write_unlock_bh(&tunnel->hlist_lock); - - /* And to the global session list if L2TPv3 */ - if (tunnel->version != L2TP_HDR_VER_2) { - struct l2tp_net *pn = l2tp_pernet(tunnel->l2tp_net); - - spin_lock_bh(&pn->l2tp_session_hlist_lock); - hlist_add_head_rcu(&session->global_hlist, - l2tp_session_id_hash_2(pn, session_id)); - spin_unlock_bh(&pn->l2tp_session_hlist_lock); - } - /* Ignore management session in session count value */ if (session->session_id != 0) atomic_inc(&l2tp_session_count); + + return session; } - return session; + return ERR_PTR(-ENOMEM); } EXPORT_SYMBOL_GPL(l2tp_session_create); diff --git a/net/l2tp/l2tp_core.h b/net/l2tp/l2tp_core.h index aebf281..8ce7818 100644 --- a/net/l2tp/l2tp_core.h +++ b/net/l2tp/l2tp_core.h @@ -230,11 +230,16 @@ out: return tunnel; } +struct l2tp_session *l2tp_session_get(struct net *net, + struct l2tp_tunnel *tunnel, + u32 session_id, bool do_ref); struct l2tp_session *l2tp_session_find(struct net *net, struct l2tp_tunnel *tunnel, u32 session_id); -struct l2tp_session *l2tp_session_find_nth(struct l2tp_tunnel *tunnel, int nth); -struct l2tp_session *l2tp_session_find_by_ifname(struct net *net, char *ifname); +struct l2tp_session *l2tp_session_get_nth(struct l2tp_tunnel *tunnel, int nth, + bool do_ref); +struct l2tp_session *l2tp_session_get_by_ifname(struct net *net, char *ifname, + bool do_ref); struct l2tp_tunnel *l2tp_tunnel_find(struct net *net, u32 tunnel_id); struct l2tp_tunnel *l2tp_tunnel_find_nth(struct net *net, int nth); diff --git a/net/l2tp/l2tp_debugfs.c b/net/l2tp/l2tp_debugfs.c index 2d6760a..d100aed 100644 --- a/net/l2tp/l2tp_debugfs.c +++ b/net/l2tp/l2tp_debugfs.c @@ -53,7 +53,7 @@ static void l2tp_dfs_next_tunnel(struct l2tp_dfs_seq_data *pd) static void l2tp_dfs_next_session(struct l2tp_dfs_seq_data *pd) { - pd->session = l2tp_session_find_nth(pd->tunnel, pd->session_idx); + pd->session = l2tp_session_get_nth(pd->tunnel, pd->session_idx, true); pd->session_idx++; if (pd->session == NULL) { @@ -238,10 +238,14 @@ static int l2tp_dfs_seq_show(struct seq_file *m, void *v) } /* Show the tunnel or session context */ - if (pd->session == NULL) + if (!pd->session) { l2tp_dfs_seq_tunnel_show(m, pd->tunnel); - else + } else { l2tp_dfs_seq_session_show(m, pd->session); + if (pd->session->deref) + pd->session->deref(pd->session); + l2tp_session_dec_refcount(pd->session); + } out: return 0; diff --git a/net/l2tp/l2tp_eth.c b/net/l2tp/l2tp_eth.c index 8bf18a5..6fd41d7 100644 --- a/net/l2tp/l2tp_eth.c +++ b/net/l2tp/l2tp_eth.c @@ -221,12 +221,6 @@ static int l2tp_eth_create(struct net *net, u32 tunnel_id, u32 session_id, u32 p goto out; } - session = l2tp_session_find(net, tunnel, session_id); - if (session) { - rc = -EEXIST; - goto out; - } - if (cfg->ifname) { dev = dev_get_by_name(net, cfg->ifname); if (dev) { @@ -240,8 +234,8 @@ static int l2tp_eth_create(struct net *net, u32 tunnel_id, u32 session_id, u32 p session = l2tp_session_create(sizeof(*spriv), tunnel, session_id, peer_session_id, cfg); - if (!session) { - rc = -ENOMEM; + if (IS_ERR(session)) { + rc = PTR_ERR(session); goto out; } diff --git a/net/l2tp/l2tp_ip.c b/net/l2tp/l2tp_ip.c index d25038c..4d322c1 100644 --- a/net/l2tp/l2tp_ip.c +++ b/net/l2tp/l2tp_ip.c @@ -143,19 +143,19 @@ static int l2tp_ip_recv(struct sk_buff *skb) } /* Ok, this is a data packet. Lookup the session. */ - session = l2tp_session_find(net, NULL, session_id); - if (session == NULL) + session = l2tp_session_get(net, NULL, session_id, true); + if (!session) goto discard; tunnel = session->tunnel; - if (tunnel == NULL) - goto discard; + if (!tunnel) + goto discard_sess; /* Trace packet contents, if enabled */ if (tunnel->debug & L2TP_MSG_DATA) { length = min(32u, skb->len); if (!pskb_may_pull(skb, length)) - goto discard; + goto discard_sess; /* Point to L2TP header */ optr = ptr = skb->data; @@ -165,6 +165,7 @@ static int l2tp_ip_recv(struct sk_buff *skb) } l2tp_recv_common(session, skb, ptr, optr, 0, skb->len, tunnel->recv_payload_hook); + l2tp_session_dec_refcount(session); return 0; @@ -178,9 +179,10 @@ pass_up: tunnel_id = ntohl(*(__be32 *) &skb->data[4]); tunnel = l2tp_tunnel_find(net, tunnel_id); - if (tunnel != NULL) + if (tunnel) { sk = tunnel->sock; - else { + sock_hold(sk); + } else { struct iphdr *iph = (struct iphdr *) skb_network_header(skb); read_lock_bh(&l2tp_ip_lock); @@ -202,6 +204,12 @@ pass_up: return sk_receive_skb(sk, skb, 1); +discard_sess: + if (session->deref) + session->deref(session); + l2tp_session_dec_refcount(session); + goto discard; + discard_put: sock_put(sk); diff --git a/net/l2tp/l2tp_ip6.c b/net/l2tp/l2tp_ip6.c index a4abcbc..88b397c 100644 --- a/net/l2tp/l2tp_ip6.c +++ b/net/l2tp/l2tp_ip6.c @@ -156,19 +156,19 @@ static int l2tp_ip6_recv(struct sk_buff *skb) } /* Ok, this is a data packet. Lookup the session. */ - session = l2tp_session_find(net, NULL, session_id); - if (session == NULL) + session = l2tp_session_get(net, NULL, session_id, true); + if (!session) goto discard; tunnel = session->tunnel; - if (tunnel == NULL) - goto discard; + if (!tunnel) + goto discard_sess; /* Trace packet contents, if enabled */ if (tunnel->debug & L2TP_MSG_DATA) { length = min(32u, skb->len); if (!pskb_may_pull(skb, length)) - goto discard; + goto discard_sess; /* Point to L2TP header */ optr = ptr = skb->data; @@ -179,6 +179,8 @@ static int l2tp_ip6_recv(struct sk_buff *skb) l2tp_recv_common(session, skb, ptr, optr, 0, skb->len, tunnel->recv_payload_hook); + l2tp_session_dec_refcount(session); + return 0; pass_up: @@ -191,9 +193,10 @@ pass_up: tunnel_id = ntohl(*(__be32 *) &skb->data[4]); tunnel = l2tp_tunnel_find(net, tunnel_id); - if (tunnel != NULL) + if (tunnel) { sk = tunnel->sock; - else { + sock_hold(sk); + } else { struct ipv6hdr *iph = ipv6_hdr(skb); read_lock_bh(&l2tp_ip6_lock); @@ -215,6 +218,12 @@ pass_up: return sk_receive_skb(sk, skb, 1); +discard_sess: + if (session->deref) + session->deref(session); + l2tp_session_dec_refcount(session); + goto discard; + discard_put: sock_put(sk); diff --git a/net/l2tp/l2tp_netlink.c b/net/l2tp/l2tp_netlink.c index 3620fba..7e3e669 100644 --- a/net/l2tp/l2tp_netlink.c +++ b/net/l2tp/l2tp_netlink.c @@ -48,7 +48,8 @@ static int l2tp_nl_session_send(struct sk_buff *skb, u32 portid, u32 seq, /* Accessed under genl lock */ static const struct l2tp_nl_cmd_ops *l2tp_nl_cmd_ops[__L2TP_PWTYPE_MAX]; -static struct l2tp_session *l2tp_nl_session_find(struct genl_info *info) +static struct l2tp_session *l2tp_nl_session_get(struct genl_info *info, + bool do_ref) { u32 tunnel_id; u32 session_id; @@ -59,14 +60,15 @@ static struct l2tp_session *l2tp_nl_session_find(struct genl_info *info) if (info->attrs[L2TP_ATTR_IFNAME]) { ifname = nla_data(info->attrs[L2TP_ATTR_IFNAME]); - session = l2tp_session_find_by_ifname(net, ifname); + session = l2tp_session_get_by_ifname(net, ifname, do_ref); } else if ((info->attrs[L2TP_ATTR_SESSION_ID]) && (info->attrs[L2TP_ATTR_CONN_ID])) { tunnel_id = nla_get_u32(info->attrs[L2TP_ATTR_CONN_ID]); session_id = nla_get_u32(info->attrs[L2TP_ATTR_SESSION_ID]); tunnel = l2tp_tunnel_find(net, tunnel_id); if (tunnel) - session = l2tp_session_find(net, tunnel, session_id); + session = l2tp_session_get(net, tunnel, session_id, + do_ref); } return session; @@ -642,10 +644,12 @@ static int l2tp_nl_cmd_session_create(struct sk_buff *skb, struct genl_info *inf session_id, peer_session_id, &cfg); if (ret >= 0) { - session = l2tp_session_find(net, tunnel, session_id); - if (session) + session = l2tp_session_get(net, tunnel, session_id, false); + if (session) { ret = l2tp_session_notify(&l2tp_nl_family, info, session, L2TP_CMD_SESSION_CREATE); + l2tp_session_dec_refcount(session); + } } out: @@ -658,7 +662,7 @@ static int l2tp_nl_cmd_session_delete(struct sk_buff *skb, struct genl_info *inf struct l2tp_session *session; u16 pw_type; - session = l2tp_nl_session_find(info); + session = l2tp_nl_session_get(info, true); if (session == NULL) { ret = -ENODEV; goto out; @@ -672,6 +676,10 @@ static int l2tp_nl_cmd_session_delete(struct sk_buff *skb, struct genl_info *inf if (l2tp_nl_cmd_ops[pw_type] && l2tp_nl_cmd_ops[pw_type]->session_delete) ret = (*l2tp_nl_cmd_ops[pw_type]->session_delete)(session); + if (session->deref) + session->deref(session); + l2tp_session_dec_refcount(session); + out: return ret; } @@ -681,7 +689,7 @@ static int l2tp_nl_cmd_session_modify(struct sk_buff *skb, struct genl_info *inf int ret = 0; struct l2tp_session *session; - session = l2tp_nl_session_find(info); + session = l2tp_nl_session_get(info, false); if (session == NULL) { ret = -ENODEV; goto out; @@ -716,6 +724,8 @@ static int l2tp_nl_cmd_session_modify(struct sk_buff *skb, struct genl_info *inf ret = l2tp_session_notify(&l2tp_nl_family, info, session, L2TP_CMD_SESSION_MODIFY); + l2tp_session_dec_refcount(session); + out: return ret; } @@ -811,29 +821,34 @@ static int l2tp_nl_cmd_session_get(struct sk_buff *skb, struct genl_info *info) struct sk_buff *msg; int ret; - session = l2tp_nl_session_find(info); + session = l2tp_nl_session_get(info, false); if (session == NULL) { ret = -ENODEV; - goto out; + goto err; } msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); if (!msg) { ret = -ENOMEM; - goto out; + goto err_ref; } ret = l2tp_nl_session_send(msg, info->snd_portid, info->snd_seq, 0, session, L2TP_CMD_SESSION_GET); if (ret < 0) - goto err_out; + goto err_ref_msg; - return genlmsg_unicast(genl_info_net(info), msg, info->snd_portid); + ret = genlmsg_unicast(genl_info_net(info), msg, info->snd_portid); -err_out: - nlmsg_free(msg); + l2tp_session_dec_refcount(session); -out: + return ret; + +err_ref_msg: + nlmsg_free(msg); +err_ref: + l2tp_session_dec_refcount(session); +err: return ret; } @@ -852,7 +867,7 @@ static int l2tp_nl_cmd_session_dump(struct sk_buff *skb, struct netlink_callback goto out; } - session = l2tp_session_find_nth(tunnel, si); + session = l2tp_session_get_nth(tunnel, si, false); if (session == NULL) { ti++; tunnel = NULL; @@ -862,8 +877,11 @@ static int l2tp_nl_cmd_session_dump(struct sk_buff *skb, struct netlink_callback if (l2tp_nl_session_send(skb, NETLINK_CB(cb->skb).portid, cb->nlh->nlmsg_seq, NLM_F_MULTI, - session, L2TP_CMD_SESSION_GET) < 0) + session, L2TP_CMD_SESSION_GET) < 0) { + l2tp_session_dec_refcount(session); break; + } + l2tp_session_dec_refcount(session); si++; } diff --git a/net/l2tp/l2tp_ppp.c b/net/l2tp/l2tp_ppp.c index 36cc56f..32ea0f3 100644 --- a/net/l2tp/l2tp_ppp.c +++ b/net/l2tp/l2tp_ppp.c @@ -450,6 +450,10 @@ static void pppol2tp_session_close(struct l2tp_session *session) static void pppol2tp_session_destruct(struct sock *sk) { struct l2tp_session *session = sk->sk_user_data; + + skb_queue_purge(&sk->sk_receive_queue); + skb_queue_purge(&sk->sk_write_queue); + if (session) { sk->sk_user_data = NULL; BUG_ON(session->magic != L2TP_SESSION_MAGIC); @@ -488,9 +492,6 @@ static int pppol2tp_release(struct socket *sock) l2tp_session_queue_purge(session); sock_put(sk); } - skb_queue_purge(&sk->sk_receive_queue); - skb_queue_purge(&sk->sk_write_queue); - release_sock(sk); /* This will delete the session context via @@ -582,6 +583,7 @@ static int pppol2tp_connect(struct socket *sock, struct sockaddr *uservaddr, int error = 0; u32 tunnel_id, peer_tunnel_id; u32 session_id, peer_session_id; + bool drop_refcnt = false; int ver = 2; int fd; @@ -683,36 +685,36 @@ static int pppol2tp_connect(struct socket *sock, struct sockaddr *uservaddr, if (tunnel->peer_tunnel_id == 0) tunnel->peer_tunnel_id = peer_tunnel_id; - /* Create session if it doesn't already exist. We handle the - * case where a session was previously created by the netlink - * interface by checking that the session doesn't already have - * a socket and its tunnel socket are what we expect. If any - * of those checks fail, return EEXIST to the caller. - */ - session = l2tp_session_find(sock_net(sk), tunnel, session_id); - if (session == NULL) { - /* Default MTU must allow space for UDP/L2TP/PPP - * headers. + session = l2tp_session_get(sock_net(sk), tunnel, session_id, false); + if (session) { + drop_refcnt = true; + ps = l2tp_session_priv(session); + + /* Using a pre-existing session is fine as long as it hasn't + * been connected yet. */ - cfg.mtu = cfg.mru = 1500 - PPPOL2TP_HEADER_OVERHEAD; + if (ps->sock) { + error = -EEXIST; + goto end; + } - /* Allocate and initialize a new session context. */ - session = l2tp_session_create(sizeof(struct pppol2tp_session), - tunnel, session_id, - peer_session_id, &cfg); - if (session == NULL) { - error = -ENOMEM; + /* consistency checks */ + if (ps->tunnel_sock != tunnel->sock) { + error = -EEXIST; goto end; } } else { - ps = l2tp_session_priv(session); - error = -EEXIST; - if (ps->sock != NULL) - goto end; + /* Default MTU must allow space for UDP/L2TP/PPP headers */ + cfg.mtu = 1500 - PPPOL2TP_HEADER_OVERHEAD; + cfg.mru = cfg.mtu; - /* consistency checks */ - if (ps->tunnel_sock != tunnel->sock) + session = l2tp_session_create(sizeof(struct pppol2tp_session), + tunnel, session_id, + peer_session_id, &cfg); + if (IS_ERR(session)) { + error = PTR_ERR(session); goto end; + } } /* Associate session with its PPPoL2TP socket */ @@ -777,6 +779,8 @@ out_no_ppp: session->name); end: + if (drop_refcnt) + l2tp_session_dec_refcount(session); release_sock(sk); return error; @@ -804,12 +808,6 @@ static int pppol2tp_session_create(struct net *net, u32 tunnel_id, u32 session_i if (tunnel->sock == NULL) goto out; - /* Check that this session doesn't already exist */ - error = -EEXIST; - session = l2tp_session_find(net, tunnel, session_id); - if (session != NULL) - goto out; - /* Default MTU values. */ if (cfg->mtu == 0) cfg->mtu = 1500 - PPPOL2TP_HEADER_OVERHEAD; @@ -817,12 +815,13 @@ static int pppol2tp_session_create(struct net *net, u32 tunnel_id, u32 session_i cfg->mru = cfg->mtu; /* Allocate and initialize a new session context. */ - error = -ENOMEM; session = l2tp_session_create(sizeof(struct pppol2tp_session), tunnel, session_id, peer_session_id, cfg); - if (session == NULL) + if (IS_ERR(session)) { + error = PTR_ERR(session); goto out; + } ps = l2tp_session_priv(session); ps->tunnel_sock = tunnel->sock; @@ -1140,11 +1139,18 @@ static int pppol2tp_tunnel_ioctl(struct l2tp_tunnel *tunnel, if (stats.session_id != 0) { /* resend to session ioctl handler */ struct l2tp_session *session = - l2tp_session_find(sock_net(sk), tunnel, stats.session_id); - if (session != NULL) - err = pppol2tp_session_ioctl(session, cmd, arg); - else + l2tp_session_get(sock_net(sk), tunnel, + stats.session_id, true); + + if (session) { + err = pppol2tp_session_ioctl(session, cmd, + arg); + if (session->deref) + session->deref(session); + l2tp_session_dec_refcount(session); + } else { err = -EBADR; + } break; } #ifdef CONFIG_XFRM @@ -1377,8 +1383,6 @@ static int pppol2tp_setsockopt(struct socket *sock, int level, int optname, } else err = pppol2tp_session_setsockopt(sk, session, optname, val); - err = 0; - end_put_sess: sock_put(sk); end: @@ -1501,8 +1505,13 @@ static int pppol2tp_getsockopt(struct socket *sock, int level, int optname, err = pppol2tp_tunnel_getsockopt(sk, tunnel, optname, &val); sock_put(ps->tunnel_sock); - } else + if (err) + goto end_put_sess; + } else { err = pppol2tp_session_getsockopt(sk, session, optname, &val); + if (err) + goto end_put_sess; + } err = -EFAULT; if (put_user(len, optlen)) @@ -1554,7 +1563,7 @@ static void pppol2tp_next_tunnel(struct net *net, struct pppol2tp_seq_data *pd) static void pppol2tp_next_session(struct net *net, struct pppol2tp_seq_data *pd) { - pd->session = l2tp_session_find_nth(pd->tunnel, pd->session_idx); + pd->session = l2tp_session_get_nth(pd->tunnel, pd->session_idx, true); pd->session_idx++; if (pd->session == NULL) { @@ -1681,10 +1690,14 @@ static int pppol2tp_seq_show(struct seq_file *m, void *v) /* Show the tunnel or session context. */ - if (pd->session == NULL) + if (!pd->session) { pppol2tp_seq_tunnel_show(m, pd->tunnel); - else + } else { pppol2tp_seq_session_show(m, pd->session); + if (pd->session->deref) + pd->session->deref(pd->session); + l2tp_session_dec_refcount(pd->session); + } out: return 0; @@ -1843,4 +1856,4 @@ MODULE_DESCRIPTION("PPP over L2TP over UDP"); MODULE_LICENSE("GPL"); MODULE_VERSION(PPPOL2TP_DRV_VERSION); MODULE_ALIAS_NET_PF_PROTO(PF_PPPOX, PX_PROTO_OL2TP); -MODULE_ALIAS_L2TP_PWTYPE(11); +MODULE_ALIAS_L2TP_PWTYPE(7); diff --git a/net/llc/af_llc.c b/net/llc/af_llc.c index 06186d6..cb4fff7 100644 --- a/net/llc/af_llc.c +++ b/net/llc/af_llc.c @@ -641,11 +641,13 @@ static void llc_cmsg_rcv(struct msghdr *msg, struct sk_buff *skb) * @sock: Socket which connections arrive on. * @newsock: Socket to move incoming connection to. * @flags: User specified operational flags. + * @kern: If the socket is kernel internal * * Accept a new incoming connection. * Returns 0 upon success, negative otherwise. */ -static int llc_ui_accept(struct socket *sock, struct socket *newsock, int flags) +static int llc_ui_accept(struct socket *sock, struct socket *newsock, int flags, + bool kern) { struct sock *sk = sock->sk, *newsk; struct llc_sock *llc, *newllc; diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c index 40813dd..5bb0c50 100644 --- a/net/mac80211/iface.c +++ b/net/mac80211/iface.c @@ -718,7 +718,8 @@ int ieee80211_do_open(struct wireless_dev *wdev, bool coming_up) ieee80211_recalc_ps(local); if (sdata->vif.type == NL80211_IFTYPE_MONITOR || - sdata->vif.type == NL80211_IFTYPE_AP_VLAN) { + sdata->vif.type == NL80211_IFTYPE_AP_VLAN || + local->ops->wake_tx_queue) { /* XXX: for AP_VLAN, actually track AP queues */ netif_tx_start_all_queues(dev); } else if (dev) { diff --git a/net/mpls/af_mpls.c b/net/mpls/af_mpls.c index 3818686..6414079 100644 --- a/net/mpls/af_mpls.c +++ b/net/mpls/af_mpls.c @@ -1269,6 +1269,8 @@ static void mpls_ifdown(struct net_device *dev, int event) { struct mpls_route __rcu **platform_label; struct net *net = dev_net(dev); + unsigned int nh_flags = RTNH_F_DEAD | RTNH_F_LINKDOWN; + unsigned int alive; unsigned index; platform_label = rtnl_dereference(net->mpls.platform_label); @@ -1278,9 +1280,11 @@ static void mpls_ifdown(struct net_device *dev, int event) if (!rt) continue; + alive = 0; change_nexthops(rt) { if (rtnl_dereference(nh->nh_dev) != dev) - continue; + goto next; + switch (event) { case NETDEV_DOWN: case NETDEV_UNREGISTER: @@ -1288,12 +1292,16 @@ static void mpls_ifdown(struct net_device *dev, int event) /* fall through */ case NETDEV_CHANGE: nh->nh_flags |= RTNH_F_LINKDOWN; - ACCESS_ONCE(rt->rt_nhn_alive) = rt->rt_nhn_alive - 1; break; } if (event == NETDEV_UNREGISTER) RCU_INIT_POINTER(nh->nh_dev, NULL); +next: + if (!(nh->nh_flags & nh_flags)) + alive++; } endfor_nexthops(rt); + + WRITE_ONCE(rt->rt_nhn_alive, alive); } } @@ -2028,6 +2036,7 @@ static void mpls_net_exit(struct net *net) for (index = 0; index < platform_labels; index++) { struct mpls_route *rt = rtnl_dereference(platform_label[index]); RCU_INIT_POINTER(platform_label[index], NULL); + mpls_notify_route(net, index, rt, NULL, NULL); mpls_rt_free(rt); } rtnl_unlock(); diff --git a/net/netfilter/nf_conntrack_core.c b/net/netfilter/nf_conntrack_core.c index 071b97f..ffb78e5 100644 --- a/net/netfilter/nf_conntrack_core.c +++ b/net/netfilter/nf_conntrack_core.c @@ -181,7 +181,11 @@ EXPORT_SYMBOL_GPL(nf_conntrack_htable_size); unsigned int nf_conntrack_max __read_mostly; seqcount_t nf_conntrack_generation __read_mostly; -DEFINE_PER_CPU(struct nf_conn, nf_conntrack_untracked); +/* nf_conn must be 8 bytes aligned, as the 3 LSB bits are used + * for the nfctinfo. We cheat by (ab)using the PER CPU cache line + * alignment to enforce this. + */ +DEFINE_PER_CPU_ALIGNED(struct nf_conn, nf_conntrack_untracked); EXPORT_PER_CPU_SYMBOL(nf_conntrack_untracked); static unsigned int nf_conntrack_hash_rnd __read_mostly; diff --git a/net/netfilter/nf_conntrack_ecache.c b/net/netfilter/nf_conntrack_ecache.c index da9df2d..22fc321 100644 --- a/net/netfilter/nf_conntrack_ecache.c +++ b/net/netfilter/nf_conntrack_ecache.c @@ -290,6 +290,7 @@ void nf_conntrack_unregister_notifier(struct net *net, BUG_ON(notify != new); RCU_INIT_POINTER(net->ct.nf_conntrack_event_cb, NULL); mutex_unlock(&nf_ct_ecache_mutex); + /* synchronize_rcu() is called from ctnetlink_exit. */ } EXPORT_SYMBOL_GPL(nf_conntrack_unregister_notifier); @@ -326,6 +327,7 @@ void nf_ct_expect_unregister_notifier(struct net *net, BUG_ON(notify != new); RCU_INIT_POINTER(net->ct.nf_expect_event_cb, NULL); mutex_unlock(&nf_ct_ecache_mutex); + /* synchronize_rcu() is called from ctnetlink_exit. */ } EXPORT_SYMBOL_GPL(nf_ct_expect_unregister_notifier); diff --git a/net/netfilter/nf_conntrack_expect.c b/net/netfilter/nf_conntrack_expect.c index 4b2e1fb..d800730 100644 --- a/net/netfilter/nf_conntrack_expect.c +++ b/net/netfilter/nf_conntrack_expect.c @@ -57,7 +57,7 @@ void nf_ct_unlink_expect_report(struct nf_conntrack_expect *exp, hlist_del_rcu(&exp->hnode); net->ct.expect_count--; - hlist_del(&exp->lnode); + hlist_del_rcu(&exp->lnode); master_help->expecting[exp->class]--; nf_ct_expect_event_report(IPEXP_DESTROY, exp, portid, report); @@ -363,7 +363,7 @@ static void nf_ct_expect_insert(struct nf_conntrack_expect *exp) /* two references : one for hash insert, one for the timer */ atomic_add(2, &exp->use); - hlist_add_head(&exp->lnode, &master_help->expectations); + hlist_add_head_rcu(&exp->lnode, &master_help->expectations); master_help->expecting[exp->class]++; hlist_add_head_rcu(&exp->hnode, &nf_ct_expect_hash[h]); diff --git a/net/netfilter/nf_conntrack_extend.c b/net/netfilter/nf_conntrack_extend.c index 02bcf00..008299b 100644 --- a/net/netfilter/nf_conntrack_extend.c +++ b/net/netfilter/nf_conntrack_extend.c @@ -53,7 +53,11 @@ nf_ct_ext_create(struct nf_ct_ext **ext, enum nf_ct_ext_id id, rcu_read_lock(); t = rcu_dereference(nf_ct_ext_types[id]); - BUG_ON(t == NULL); + if (!t) { + rcu_read_unlock(); + return NULL; + } + off = ALIGN(sizeof(struct nf_ct_ext), t->align); len = off + t->len + var_alloc_len; alloc_size = t->alloc_size + var_alloc_len; @@ -88,7 +92,10 @@ void *__nf_ct_ext_add_length(struct nf_conn *ct, enum nf_ct_ext_id id, rcu_read_lock(); t = rcu_dereference(nf_ct_ext_types[id]); - BUG_ON(t == NULL); + if (!t) { + rcu_read_unlock(); + return NULL; + } newoff = ALIGN(old->len, t->align); newlen = newoff + t->len + var_alloc_len; @@ -175,6 +182,6 @@ void nf_ct_extend_unregister(struct nf_ct_ext_type *type) RCU_INIT_POINTER(nf_ct_ext_types[type->id], NULL); update_alloc_size(type); mutex_unlock(&nf_ct_ext_type_mutex); - rcu_barrier(); /* Wait for completion of call_rcu()'s */ + synchronize_rcu(); } EXPORT_SYMBOL_GPL(nf_ct_extend_unregister); diff --git a/net/netfilter/nf_conntrack_helper.c b/net/netfilter/nf_conntrack_helper.c index 6dc44d9..4eeb341 100644 --- a/net/netfilter/nf_conntrack_helper.c +++ b/net/netfilter/nf_conntrack_helper.c @@ -158,16 +158,25 @@ nf_conntrack_helper_try_module_get(const char *name, u16 l3num, u8 protonum) { struct nf_conntrack_helper *h; + rcu_read_lock(); + h = __nf_conntrack_helper_find(name, l3num, protonum); #ifdef CONFIG_MODULES if (h == NULL) { - if (request_module("nfct-helper-%s", name) == 0) + rcu_read_unlock(); + if (request_module("nfct-helper-%s", name) == 0) { + rcu_read_lock(); h = __nf_conntrack_helper_find(name, l3num, protonum); + } else { + return h; + } } #endif if (h != NULL && !try_module_get(h->me)) h = NULL; + rcu_read_unlock(); + return h; } EXPORT_SYMBOL_GPL(nf_conntrack_helper_try_module_get); @@ -311,38 +320,36 @@ void nf_ct_helper_expectfn_unregister(struct nf_ct_helper_expectfn *n) } EXPORT_SYMBOL_GPL(nf_ct_helper_expectfn_unregister); +/* Caller should hold the rcu lock */ struct nf_ct_helper_expectfn * nf_ct_helper_expectfn_find_by_name(const char *name) { struct nf_ct_helper_expectfn *cur; bool found = false; - rcu_read_lock(); list_for_each_entry_rcu(cur, &nf_ct_helper_expectfn_list, head) { if (!strcmp(cur->name, name)) { found = true; break; } } - rcu_read_unlock(); return found ? cur : NULL; } EXPORT_SYMBOL_GPL(nf_ct_helper_expectfn_find_by_name); +/* Caller should hold the rcu lock */ struct nf_ct_helper_expectfn * nf_ct_helper_expectfn_find_by_symbol(const void *symbol) { struct nf_ct_helper_expectfn *cur; bool found = false; - rcu_read_lock(); list_for_each_entry_rcu(cur, &nf_ct_helper_expectfn_list, head) { if (cur->expectfn == symbol) { found = true; break; } } - rcu_read_unlock(); return found ? cur : NULL; } EXPORT_SYMBOL_GPL(nf_ct_helper_expectfn_find_by_symbol); diff --git a/net/netfilter/nf_conntrack_netlink.c b/net/netfilter/nf_conntrack_netlink.c index 6806b5e..dc7dfd6 100644 --- a/net/netfilter/nf_conntrack_netlink.c +++ b/net/netfilter/nf_conntrack_netlink.c @@ -1488,11 +1488,16 @@ static int ctnetlink_change_helper(struct nf_conn *ct, * treat the second attempt as a no-op instead of returning * an error. */ - if (help && help->helper && - !strcmp(help->helper->name, helpname)) - return 0; - else - return -EBUSY; + err = -EBUSY; + if (help) { + rcu_read_lock(); + helper = rcu_dereference(help->helper); + if (helper && !strcmp(helper->name, helpname)) + err = 0; + rcu_read_unlock(); + } + + return err; } if (!strcmp(helpname, "")) { @@ -1929,9 +1934,9 @@ static int ctnetlink_new_conntrack(struct net *net, struct sock *ctnl, err = 0; if (test_bit(IPS_EXPECTED_BIT, &ct->status)) - events = IPCT_RELATED; + events = 1 << IPCT_RELATED; else - events = IPCT_NEW; + events = 1 << IPCT_NEW; if (cda[CTA_LABELS] && ctnetlink_attach_labels(ct, cda) == 0) @@ -2675,8 +2680,8 @@ ctnetlink_exp_dump_table(struct sk_buff *skb, struct netlink_callback *cb) last = (struct nf_conntrack_expect *)cb->args[1]; for (; cb->args[0] < nf_ct_expect_hsize; cb->args[0]++) { restart: - hlist_for_each_entry(exp, &nf_ct_expect_hash[cb->args[0]], - hnode) { + hlist_for_each_entry_rcu(exp, &nf_ct_expect_hash[cb->args[0]], + hnode) { if (l3proto && exp->tuple.src.l3num != l3proto) continue; @@ -2727,7 +2732,7 @@ ctnetlink_exp_ct_dump_table(struct sk_buff *skb, struct netlink_callback *cb) rcu_read_lock(); last = (struct nf_conntrack_expect *)cb->args[1]; restart: - hlist_for_each_entry(exp, &help->expectations, lnode) { + hlist_for_each_entry_rcu(exp, &help->expectations, lnode) { if (l3proto && exp->tuple.src.l3num != l3proto) continue; if (cb->args[1]) { @@ -2789,6 +2794,12 @@ static int ctnetlink_dump_exp_ct(struct net *net, struct sock *ctnl, return -ENOENT; ct = nf_ct_tuplehash_to_ctrack(h); + /* No expectation linked to this connection tracking. */ + if (!nfct_help(ct)) { + nf_ct_put(ct); + return 0; + } + c.data = ct; err = netlink_dump_start(ctnl, skb, nlh, &c); @@ -3133,23 +3144,27 @@ ctnetlink_create_expect(struct net *net, return -ENOENT; ct = nf_ct_tuplehash_to_ctrack(h); + rcu_read_lock(); if (cda[CTA_EXPECT_HELP_NAME]) { const char *helpname = nla_data(cda[CTA_EXPECT_HELP_NAME]); helper = __nf_conntrack_helper_find(helpname, u3, nf_ct_protonum(ct)); if (helper == NULL) { + rcu_read_unlock(); #ifdef CONFIG_MODULES if (request_module("nfct-helper-%s", helpname) < 0) { err = -EOPNOTSUPP; goto err_ct; } + rcu_read_lock(); helper = __nf_conntrack_helper_find(helpname, u3, nf_ct_protonum(ct)); if (helper) { err = -EAGAIN; - goto err_ct; + goto err_rcu; } + rcu_read_unlock(); #endif err = -EOPNOTSUPP; goto err_ct; @@ -3159,11 +3174,13 @@ ctnetlink_create_expect(struct net *net, exp = ctnetlink_alloc_expect(cda, ct, helper, &tuple, &mask); if (IS_ERR(exp)) { err = PTR_ERR(exp); - goto err_ct; + goto err_rcu; } err = nf_ct_expect_related_report(exp, portid, report); nf_ct_expect_put(exp); +err_rcu: + rcu_read_unlock(); err_ct: nf_ct_put(ct); return err; @@ -3442,6 +3459,7 @@ static void __exit ctnetlink_exit(void) #ifdef CONFIG_NETFILTER_NETLINK_GLUE_CT RCU_INIT_POINTER(nfnl_ct_hook, NULL); #endif + synchronize_rcu(); } module_init(ctnetlink_init); diff --git a/net/netfilter/nf_nat_core.c b/net/netfilter/nf_nat_core.c index 94b14c5..82802e4 100644 --- a/net/netfilter/nf_nat_core.c +++ b/net/netfilter/nf_nat_core.c @@ -903,6 +903,8 @@ static void __exit nf_nat_cleanup(void) #ifdef CONFIG_XFRM RCU_INIT_POINTER(nf_nat_decode_session_hook, NULL); #endif + synchronize_rcu(); + for (i = 0; i < NFPROTO_NUMPROTO; i++) kfree(nf_nat_l4protos[i]); diff --git a/net/netfilter/nf_nat_proto_sctp.c b/net/netfilter/nf_nat_proto_sctp.c index 31d3586..804e8a0 100644 --- a/net/netfilter/nf_nat_proto_sctp.c +++ b/net/netfilter/nf_nat_proto_sctp.c @@ -33,8 +33,16 @@ sctp_manip_pkt(struct sk_buff *skb, enum nf_nat_manip_type maniptype) { sctp_sctphdr_t *hdr; + int hdrsize = 8; - if (!skb_make_writable(skb, hdroff + sizeof(*hdr))) + /* This could be an inner header returned in imcp packet; in such + * cases we cannot update the checksum field since it is outside + * of the 8 bytes of transport layer headers we are guaranteed. + */ + if (skb->len >= hdroff + sizeof(*hdr)) + hdrsize = sizeof(*hdr); + + if (!skb_make_writable(skb, hdroff + hdrsize)) return false; hdr = (struct sctphdr *)(skb->data + hdroff); @@ -47,6 +55,9 @@ sctp_manip_pkt(struct sk_buff *skb, hdr->dest = tuple->dst.u.sctp.port; } + if (hdrsize < sizeof(*hdr)) + return true; + if (skb->ip_summed != CHECKSUM_PARTIAL) { hdr->checksum = sctp_compute_cksum(skb, hdroff); skb->ip_summed = CHECKSUM_NONE; diff --git a/net/netfilter/nf_nat_redirect.c b/net/netfilter/nf_nat_redirect.c index d438698..86067560 100644 --- a/net/netfilter/nf_nat_redirect.c +++ b/net/netfilter/nf_nat_redirect.c @@ -101,11 +101,13 @@ nf_nat_redirect_ipv6(struct sk_buff *skb, const struct nf_nat_range *range, rcu_read_lock(); idev = __in6_dev_get(skb->dev); if (idev != NULL) { + read_lock_bh(&idev->lock); list_for_each_entry(ifa, &idev->addr_list, if_list) { newdst = ifa->addr; addr = true; break; } + read_unlock_bh(&idev->lock); } rcu_read_unlock(); diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c index 5e0ccfd..434c739 100644 --- a/net/netfilter/nf_tables_api.c +++ b/net/netfilter/nf_tables_api.c @@ -3145,7 +3145,6 @@ int nf_tables_bind_set(const struct nft_ctx *ctx, struct nft_set *set, iter.count = 0; iter.err = 0; iter.fn = nf_tables_bind_check_setelem; - iter.flush = false; set->ops->walk(ctx, set, &iter); if (iter.err < 0) @@ -3399,7 +3398,6 @@ static int nf_tables_dump_set(struct sk_buff *skb, struct netlink_callback *cb) args.iter.count = 0; args.iter.err = 0; args.iter.fn = nf_tables_dump_setelem; - args.iter.flush = false; set->ops->walk(&ctx, set, &args.iter); nla_nest_end(skb, nest); @@ -3963,7 +3961,6 @@ static int nf_tables_delsetelem(struct net *net, struct sock *nlsk, struct nft_set_iter iter = { .genmask = genmask, .fn = nft_flush_set, - .flush = true, }; set->ops->walk(&ctx, set, &iter); @@ -5114,7 +5111,6 @@ static int nf_tables_check_loops(const struct nft_ctx *ctx, iter.count = 0; iter.err = 0; iter.fn = nf_tables_loop_check_setelem; - iter.flush = false; set->ops->walk(ctx, set, &iter); if (iter.err < 0) diff --git a/net/netfilter/nfnetlink_cthelper.c b/net/netfilter/nfnetlink_cthelper.c index de87823..d455581 100644 --- a/net/netfilter/nfnetlink_cthelper.c +++ b/net/netfilter/nfnetlink_cthelper.c @@ -32,6 +32,13 @@ MODULE_LICENSE("GPL"); MODULE_AUTHOR("Pablo Neira Ayuso <pablo@netfilter.org>"); MODULE_DESCRIPTION("nfnl_cthelper: User-space connection tracking helpers"); +struct nfnl_cthelper { + struct list_head list; + struct nf_conntrack_helper helper; +}; + +static LIST_HEAD(nfnl_cthelper_list); + static int nfnl_userspace_cthelper(struct sk_buff *skb, unsigned int protoff, struct nf_conn *ct, enum ip_conntrack_info ctinfo) @@ -161,6 +168,7 @@ nfnl_cthelper_parse_expect_policy(struct nf_conntrack_helper *helper, int i, ret; struct nf_conntrack_expect_policy *expect_policy; struct nlattr *tb[NFCTH_POLICY_SET_MAX+1]; + unsigned int class_max; ret = nla_parse_nested(tb, NFCTH_POLICY_SET_MAX, attr, nfnl_cthelper_expect_policy_set); @@ -170,19 +178,18 @@ nfnl_cthelper_parse_expect_policy(struct nf_conntrack_helper *helper, if (!tb[NFCTH_POLICY_SET_NUM]) return -EINVAL; - helper->expect_class_max = - ntohl(nla_get_be32(tb[NFCTH_POLICY_SET_NUM])); - - if (helper->expect_class_max != 0 && - helper->expect_class_max > NF_CT_MAX_EXPECT_CLASSES) + class_max = ntohl(nla_get_be32(tb[NFCTH_POLICY_SET_NUM])); + if (class_max == 0) + return -EINVAL; + if (class_max > NF_CT_MAX_EXPECT_CLASSES) return -EOVERFLOW; expect_policy = kzalloc(sizeof(struct nf_conntrack_expect_policy) * - helper->expect_class_max, GFP_KERNEL); + class_max, GFP_KERNEL); if (expect_policy == NULL) return -ENOMEM; - for (i=0; i<helper->expect_class_max; i++) { + for (i = 0; i < class_max; i++) { if (!tb[NFCTH_POLICY_SET+i]) goto err; @@ -191,6 +198,8 @@ nfnl_cthelper_parse_expect_policy(struct nf_conntrack_helper *helper, if (ret < 0) goto err; } + + helper->expect_class_max = class_max - 1; helper->expect_policy = expect_policy; return 0; err: @@ -203,18 +212,20 @@ nfnl_cthelper_create(const struct nlattr * const tb[], struct nf_conntrack_tuple *tuple) { struct nf_conntrack_helper *helper; + struct nfnl_cthelper *nfcth; int ret; if (!tb[NFCTH_TUPLE] || !tb[NFCTH_POLICY] || !tb[NFCTH_PRIV_DATA_LEN]) return -EINVAL; - helper = kzalloc(sizeof(struct nf_conntrack_helper), GFP_KERNEL); - if (helper == NULL) + nfcth = kzalloc(sizeof(*nfcth), GFP_KERNEL); + if (nfcth == NULL) return -ENOMEM; + helper = &nfcth->helper; ret = nfnl_cthelper_parse_expect_policy(helper, tb[NFCTH_POLICY]); if (ret < 0) - goto err; + goto err1; strncpy(helper->name, nla_data(tb[NFCTH_NAME]), NF_CT_HELPER_NAME_LEN); helper->data_len = ntohl(nla_get_be32(tb[NFCTH_PRIV_DATA_LEN])); @@ -245,15 +256,101 @@ nfnl_cthelper_create(const struct nlattr * const tb[], ret = nf_conntrack_helper_register(helper); if (ret < 0) - goto err; + goto err2; + list_add_tail(&nfcth->list, &nfnl_cthelper_list); return 0; -err: - kfree(helper); +err2: + kfree(helper->expect_policy); +err1: + kfree(nfcth); return ret; } static int +nfnl_cthelper_update_policy_one(const struct nf_conntrack_expect_policy *policy, + struct nf_conntrack_expect_policy *new_policy, + const struct nlattr *attr) +{ + struct nlattr *tb[NFCTH_POLICY_MAX + 1]; + int err; + + err = nla_parse_nested(tb, NFCTH_POLICY_MAX, attr, + nfnl_cthelper_expect_pol); + if (err < 0) + return err; + + if (!tb[NFCTH_POLICY_NAME] || + !tb[NFCTH_POLICY_EXPECT_MAX] || + !tb[NFCTH_POLICY_EXPECT_TIMEOUT]) + return -EINVAL; + + if (nla_strcmp(tb[NFCTH_POLICY_NAME], policy->name)) + return -EBUSY; + + new_policy->max_expected = + ntohl(nla_get_be32(tb[NFCTH_POLICY_EXPECT_MAX])); + new_policy->timeout = + ntohl(nla_get_be32(tb[NFCTH_POLICY_EXPECT_TIMEOUT])); + + return 0; +} + +static int nfnl_cthelper_update_policy_all(struct nlattr *tb[], + struct nf_conntrack_helper *helper) +{ + struct nf_conntrack_expect_policy new_policy[helper->expect_class_max + 1]; + struct nf_conntrack_expect_policy *policy; + int i, err; + + /* Check first that all policy attributes are well-formed, so we don't + * leave things in inconsistent state on errors. + */ + for (i = 0; i < helper->expect_class_max + 1; i++) { + + if (!tb[NFCTH_POLICY_SET + i]) + return -EINVAL; + + err = nfnl_cthelper_update_policy_one(&helper->expect_policy[i], + &new_policy[i], + tb[NFCTH_POLICY_SET + i]); + if (err < 0) + return err; + } + /* Now we can safely update them. */ + for (i = 0; i < helper->expect_class_max + 1; i++) { + policy = (struct nf_conntrack_expect_policy *) + &helper->expect_policy[i]; + policy->max_expected = new_policy->max_expected; + policy->timeout = new_policy->timeout; + } + + return 0; +} + +static int nfnl_cthelper_update_policy(struct nf_conntrack_helper *helper, + const struct nlattr *attr) +{ + struct nlattr *tb[NFCTH_POLICY_SET_MAX + 1]; + unsigned int class_max; + int err; + + err = nla_parse_nested(tb, NFCTH_POLICY_SET_MAX, attr, + nfnl_cthelper_expect_policy_set); + if (err < 0) + return err; + + if (!tb[NFCTH_POLICY_SET_NUM]) + return -EINVAL; + + class_max = ntohl(nla_get_be32(tb[NFCTH_POLICY_SET_NUM])); + if (helper->expect_class_max + 1 != class_max) + return -EBUSY; + + return nfnl_cthelper_update_policy_all(tb, helper); +} + +static int nfnl_cthelper_update(const struct nlattr * const tb[], struct nf_conntrack_helper *helper) { @@ -263,8 +360,7 @@ nfnl_cthelper_update(const struct nlattr * const tb[], return -EBUSY; if (tb[NFCTH_POLICY]) { - ret = nfnl_cthelper_parse_expect_policy(helper, - tb[NFCTH_POLICY]); + ret = nfnl_cthelper_update_policy(helper, tb[NFCTH_POLICY]); if (ret < 0) return ret; } @@ -293,7 +389,8 @@ static int nfnl_cthelper_new(struct net *net, struct sock *nfnl, const char *helper_name; struct nf_conntrack_helper *cur, *helper = NULL; struct nf_conntrack_tuple tuple; - int ret = 0, i; + struct nfnl_cthelper *nlcth; + int ret = 0; if (!tb[NFCTH_NAME] || !tb[NFCTH_TUPLE]) return -EINVAL; @@ -304,31 +401,22 @@ static int nfnl_cthelper_new(struct net *net, struct sock *nfnl, if (ret < 0) return ret; - rcu_read_lock(); - for (i = 0; i < nf_ct_helper_hsize && !helper; i++) { - hlist_for_each_entry_rcu(cur, &nf_ct_helper_hash[i], hnode) { + list_for_each_entry(nlcth, &nfnl_cthelper_list, list) { + cur = &nlcth->helper; - /* skip non-userspace conntrack helpers. */ - if (!(cur->flags & NF_CT_HELPER_F_USERSPACE)) - continue; + if (strncmp(cur->name, helper_name, NF_CT_HELPER_NAME_LEN)) + continue; - if (strncmp(cur->name, helper_name, - NF_CT_HELPER_NAME_LEN) != 0) - continue; + if ((tuple.src.l3num != cur->tuple.src.l3num || + tuple.dst.protonum != cur->tuple.dst.protonum)) + continue; - if ((tuple.src.l3num != cur->tuple.src.l3num || - tuple.dst.protonum != cur->tuple.dst.protonum)) - continue; + if (nlh->nlmsg_flags & NLM_F_EXCL) + return -EEXIST; - if (nlh->nlmsg_flags & NLM_F_EXCL) { - ret = -EEXIST; - goto err; - } - helper = cur; - break; - } + helper = cur; + break; } - rcu_read_unlock(); if (helper == NULL) ret = nfnl_cthelper_create(tb, &tuple); @@ -336,9 +424,6 @@ static int nfnl_cthelper_new(struct net *net, struct sock *nfnl, ret = nfnl_cthelper_update(tb, helper); return ret; -err: - rcu_read_unlock(); - return ret; } static int @@ -377,10 +462,10 @@ nfnl_cthelper_dump_policy(struct sk_buff *skb, goto nla_put_failure; if (nla_put_be32(skb, NFCTH_POLICY_SET_NUM, - htonl(helper->expect_class_max))) + htonl(helper->expect_class_max + 1))) goto nla_put_failure; - for (i=0; i<helper->expect_class_max; i++) { + for (i = 0; i < helper->expect_class_max + 1; i++) { nest_parms2 = nla_nest_start(skb, (NFCTH_POLICY_SET+i) | NLA_F_NESTED); if (nest_parms2 == NULL) @@ -502,11 +587,12 @@ static int nfnl_cthelper_get(struct net *net, struct sock *nfnl, struct sk_buff *skb, const struct nlmsghdr *nlh, const struct nlattr * const tb[]) { - int ret = -ENOENT, i; + int ret = -ENOENT; struct nf_conntrack_helper *cur; struct sk_buff *skb2; char *helper_name = NULL; struct nf_conntrack_tuple tuple; + struct nfnl_cthelper *nlcth; bool tuple_set = false; if (nlh->nlmsg_flags & NLM_F_DUMP) { @@ -527,45 +613,39 @@ static int nfnl_cthelper_get(struct net *net, struct sock *nfnl, tuple_set = true; } - for (i = 0; i < nf_ct_helper_hsize; i++) { - hlist_for_each_entry_rcu(cur, &nf_ct_helper_hash[i], hnode) { + list_for_each_entry(nlcth, &nfnl_cthelper_list, list) { + cur = &nlcth->helper; + if (helper_name && + strncmp(cur->name, helper_name, NF_CT_HELPER_NAME_LEN)) + continue; - /* skip non-userspace conntrack helpers. */ - if (!(cur->flags & NF_CT_HELPER_F_USERSPACE)) - continue; + if (tuple_set && + (tuple.src.l3num != cur->tuple.src.l3num || + tuple.dst.protonum != cur->tuple.dst.protonum)) + continue; - if (helper_name && strncmp(cur->name, helper_name, - NF_CT_HELPER_NAME_LEN) != 0) { - continue; - } - if (tuple_set && - (tuple.src.l3num != cur->tuple.src.l3num || - tuple.dst.protonum != cur->tuple.dst.protonum)) - continue; - - skb2 = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); - if (skb2 == NULL) { - ret = -ENOMEM; - break; - } + skb2 = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); + if (skb2 == NULL) { + ret = -ENOMEM; + break; + } - ret = nfnl_cthelper_fill_info(skb2, NETLINK_CB(skb).portid, - nlh->nlmsg_seq, - NFNL_MSG_TYPE(nlh->nlmsg_type), - NFNL_MSG_CTHELPER_NEW, cur); - if (ret <= 0) { - kfree_skb(skb2); - break; - } + ret = nfnl_cthelper_fill_info(skb2, NETLINK_CB(skb).portid, + nlh->nlmsg_seq, + NFNL_MSG_TYPE(nlh->nlmsg_type), + NFNL_MSG_CTHELPER_NEW, cur); + if (ret <= 0) { + kfree_skb(skb2); + break; + } - ret = netlink_unicast(nfnl, skb2, NETLINK_CB(skb).portid, - MSG_DONTWAIT); - if (ret > 0) - ret = 0; + ret = netlink_unicast(nfnl, skb2, NETLINK_CB(skb).portid, + MSG_DONTWAIT); + if (ret > 0) + ret = 0; - /* this avoids a loop in nfnetlink. */ - return ret == -EAGAIN ? -ENOBUFS : ret; - } + /* this avoids a loop in nfnetlink. */ + return ret == -EAGAIN ? -ENOBUFS : ret; } return ret; } @@ -576,10 +656,10 @@ static int nfnl_cthelper_del(struct net *net, struct sock *nfnl, { char *helper_name = NULL; struct nf_conntrack_helper *cur; - struct hlist_node *tmp; struct nf_conntrack_tuple tuple; bool tuple_set = false, found = false; - int i, j = 0, ret; + struct nfnl_cthelper *nlcth, *n; + int j = 0, ret; if (tb[NFCTH_NAME]) helper_name = nla_data(tb[NFCTH_NAME]); @@ -592,28 +672,27 @@ static int nfnl_cthelper_del(struct net *net, struct sock *nfnl, tuple_set = true; } - for (i = 0; i < nf_ct_helper_hsize; i++) { - hlist_for_each_entry_safe(cur, tmp, &nf_ct_helper_hash[i], - hnode) { - /* skip non-userspace conntrack helpers. */ - if (!(cur->flags & NF_CT_HELPER_F_USERSPACE)) - continue; + list_for_each_entry_safe(nlcth, n, &nfnl_cthelper_list, list) { + cur = &nlcth->helper; + j++; - j++; + if (helper_name && + strncmp(cur->name, helper_name, NF_CT_HELPER_NAME_LEN)) + continue; - if (helper_name && strncmp(cur->name, helper_name, - NF_CT_HELPER_NAME_LEN) != 0) { - continue; - } - if (tuple_set && - (tuple.src.l3num != cur->tuple.src.l3num || - tuple.dst.protonum != cur->tuple.dst.protonum)) - continue; + if (tuple_set && + (tuple.src.l3num != cur->tuple.src.l3num || + tuple.dst.protonum != cur->tuple.dst.protonum)) + continue; - found = true; - nf_conntrack_helper_unregister(cur); - } + found = true; + nf_conntrack_helper_unregister(cur); + kfree(cur->expect_policy); + + list_del(&nlcth->list); + kfree(nlcth); } + /* Make sure we return success if we flush and there is no helpers */ return (found || j == 0) ? 0 : -ENOENT; } @@ -662,20 +741,16 @@ err_out: static void __exit nfnl_cthelper_exit(void) { struct nf_conntrack_helper *cur; - struct hlist_node *tmp; - int i; + struct nfnl_cthelper *nlcth, *n; nfnetlink_subsys_unregister(&nfnl_cthelper_subsys); - for (i=0; i<nf_ct_helper_hsize; i++) { - hlist_for_each_entry_safe(cur, tmp, &nf_ct_helper_hash[i], - hnode) { - /* skip non-userspace conntrack helpers. */ - if (!(cur->flags & NF_CT_HELPER_F_USERSPACE)) - continue; + list_for_each_entry_safe(nlcth, n, &nfnl_cthelper_list, list) { + cur = &nlcth->helper; - nf_conntrack_helper_unregister(cur); - } + nf_conntrack_helper_unregister(cur); + kfree(cur->expect_policy); + kfree(nlcth); } } diff --git a/net/netfilter/nfnetlink_cttimeout.c b/net/netfilter/nfnetlink_cttimeout.c index 139e086..47d6656 100644 --- a/net/netfilter/nfnetlink_cttimeout.c +++ b/net/netfilter/nfnetlink_cttimeout.c @@ -646,8 +646,8 @@ static void __exit cttimeout_exit(void) #ifdef CONFIG_NF_CONNTRACK_TIMEOUT RCU_INIT_POINTER(nf_ct_timeout_find_get_hook, NULL); RCU_INIT_POINTER(nf_ct_timeout_put_hook, NULL); + synchronize_rcu(); #endif /* CONFIG_NF_CONNTRACK_TIMEOUT */ - rcu_barrier(); } module_init(cttimeout_init); diff --git a/net/netfilter/nfnetlink_queue.c b/net/netfilter/nfnetlink_queue.c index 3ee0b8a..933509e 100644 --- a/net/netfilter/nfnetlink_queue.c +++ b/net/netfilter/nfnetlink_queue.c @@ -443,7 +443,7 @@ nfqnl_build_packet_message(struct net *net, struct nfqnl_instance *queue, skb = alloc_skb(size, GFP_ATOMIC); if (!skb) { skb_tx_error(entskb); - return NULL; + goto nlmsg_failure; } nlh = nlmsg_put(skb, 0, 0, @@ -452,7 +452,7 @@ nfqnl_build_packet_message(struct net *net, struct nfqnl_instance *queue, if (!nlh) { skb_tx_error(entskb); kfree_skb(skb); - return NULL; + goto nlmsg_failure; } nfmsg = nlmsg_data(nlh); nfmsg->nfgen_family = entry->state.pf; @@ -598,12 +598,17 @@ nfqnl_build_packet_message(struct net *net, struct nfqnl_instance *queue, } nlh->nlmsg_len = skb->len; + if (seclen) + security_release_secctx(secdata, seclen); return skb; nla_put_failure: skb_tx_error(entskb); kfree_skb(skb); net_err_ratelimited("nf_queue: error creating packet message\n"); +nlmsg_failure: + if (seclen) + security_release_secctx(secdata, seclen); return NULL; } diff --git a/net/netfilter/nft_ct.c b/net/netfilter/nft_ct.c index bf548a7..0264258 100644 --- a/net/netfilter/nft_ct.c +++ b/net/netfilter/nft_ct.c @@ -83,7 +83,7 @@ static void nft_ct_get_eval(const struct nft_expr *expr, switch (priv->key) { case NFT_CT_DIRECTION: - *dest = CTINFO2DIR(ctinfo); + nft_reg_store8(dest, CTINFO2DIR(ctinfo)); return; case NFT_CT_STATUS: *dest = ct->status; @@ -151,20 +151,22 @@ static void nft_ct_get_eval(const struct nft_expr *expr, return; } case NFT_CT_L3PROTOCOL: - *dest = nf_ct_l3num(ct); + nft_reg_store8(dest, nf_ct_l3num(ct)); return; case NFT_CT_PROTOCOL: - *dest = nf_ct_protonum(ct); + nft_reg_store8(dest, nf_ct_protonum(ct)); return; #ifdef CONFIG_NF_CONNTRACK_ZONES case NFT_CT_ZONE: { const struct nf_conntrack_zone *zone = nf_ct_zone(ct); + u16 zoneid; if (priv->dir < IP_CT_DIR_MAX) - *dest = nf_ct_zone_id(zone, priv->dir); + zoneid = nf_ct_zone_id(zone, priv->dir); else - *dest = zone->id; + zoneid = zone->id; + nft_reg_store16(dest, zoneid); return; } #endif @@ -183,10 +185,10 @@ static void nft_ct_get_eval(const struct nft_expr *expr, nf_ct_l3num(ct) == NFPROTO_IPV4 ? 4 : 16); return; case NFT_CT_PROTO_SRC: - *dest = (__force __u16)tuple->src.u.all; + nft_reg_store16(dest, (__force u16)tuple->src.u.all); return; case NFT_CT_PROTO_DST: - *dest = (__force __u16)tuple->dst.u.all; + nft_reg_store16(dest, (__force u16)tuple->dst.u.all); return; default: break; @@ -205,7 +207,7 @@ static void nft_ct_set_zone_eval(const struct nft_expr *expr, const struct nft_ct *priv = nft_expr_priv(expr); struct sk_buff *skb = pkt->skb; enum ip_conntrack_info ctinfo; - u16 value = regs->data[priv->sreg]; + u16 value = nft_reg_load16(®s->data[priv->sreg]); struct nf_conn *ct; ct = nf_ct_get(skb, &ctinfo); @@ -542,7 +544,8 @@ static int nft_ct_set_init(const struct nft_ctx *ctx, case IP_CT_DIR_REPLY: break; default: - return -EINVAL; + err = -EINVAL; + goto err1; } } diff --git a/net/netfilter/nft_hash.c b/net/netfilter/nft_hash.c index eb2721a..c4dad12 100644 --- a/net/netfilter/nft_hash.c +++ b/net/netfilter/nft_hash.c @@ -21,6 +21,7 @@ struct nft_hash { enum nft_registers sreg:8; enum nft_registers dreg:8; u8 len; + bool autogen_seed:1; u32 modulus; u32 seed; u32 offset; @@ -82,10 +83,12 @@ static int nft_hash_init(const struct nft_ctx *ctx, if (priv->offset + priv->modulus - 1 < priv->offset) return -EOVERFLOW; - if (tb[NFTA_HASH_SEED]) + if (tb[NFTA_HASH_SEED]) { priv->seed = ntohl(nla_get_be32(tb[NFTA_HASH_SEED])); - else + } else { + priv->autogen_seed = true; get_random_bytes(&priv->seed, sizeof(priv->seed)); + } return nft_validate_register_load(priv->sreg, len) && nft_validate_register_store(ctx, priv->dreg, NULL, @@ -105,7 +108,8 @@ static int nft_hash_dump(struct sk_buff *skb, goto nla_put_failure; if (nla_put_be32(skb, NFTA_HASH_MODULUS, htonl(priv->modulus))) goto nla_put_failure; - if (nla_put_be32(skb, NFTA_HASH_SEED, htonl(priv->seed))) + if (!priv->autogen_seed && + nla_put_be32(skb, NFTA_HASH_SEED, htonl(priv->seed))) goto nla_put_failure; if (priv->offset != 0) if (nla_put_be32(skb, NFTA_HASH_OFFSET, htonl(priv->offset))) diff --git a/net/netfilter/nft_meta.c b/net/netfilter/nft_meta.c index e1f5ca9..7b60e01 100644 --- a/net/netfilter/nft_meta.c +++ b/net/netfilter/nft_meta.c @@ -45,16 +45,15 @@ void nft_meta_get_eval(const struct nft_expr *expr, *dest = skb->len; break; case NFT_META_PROTOCOL: - *dest = 0; - *(__be16 *)dest = skb->protocol; + nft_reg_store16(dest, (__force u16)skb->protocol); break; case NFT_META_NFPROTO: - *dest = nft_pf(pkt); + nft_reg_store8(dest, nft_pf(pkt)); break; case NFT_META_L4PROTO: if (!pkt->tprot_set) goto err; - *dest = pkt->tprot; + nft_reg_store8(dest, pkt->tprot); break; case NFT_META_PRIORITY: *dest = skb->priority; @@ -85,14 +84,12 @@ void nft_meta_get_eval(const struct nft_expr *expr, case NFT_META_IIFTYPE: if (in == NULL) goto err; - *dest = 0; - *(u16 *)dest = in->type; + nft_reg_store16(dest, in->type); break; case NFT_META_OIFTYPE: if (out == NULL) goto err; - *dest = 0; - *(u16 *)dest = out->type; + nft_reg_store16(dest, out->type); break; case NFT_META_SKUID: sk = skb_to_full_sk(skb); @@ -142,19 +139,19 @@ void nft_meta_get_eval(const struct nft_expr *expr, #endif case NFT_META_PKTTYPE: if (skb->pkt_type != PACKET_LOOPBACK) { - *dest = skb->pkt_type; + nft_reg_store8(dest, skb->pkt_type); break; } switch (nft_pf(pkt)) { case NFPROTO_IPV4: if (ipv4_is_multicast(ip_hdr(skb)->daddr)) - *dest = PACKET_MULTICAST; + nft_reg_store8(dest, PACKET_MULTICAST); else - *dest = PACKET_BROADCAST; + nft_reg_store8(dest, PACKET_BROADCAST); break; case NFPROTO_IPV6: - *dest = PACKET_MULTICAST; + nft_reg_store8(dest, PACKET_MULTICAST); break; case NFPROTO_NETDEV: switch (skb->protocol) { @@ -168,14 +165,14 @@ void nft_meta_get_eval(const struct nft_expr *expr, goto err; if (ipv4_is_multicast(iph->daddr)) - *dest = PACKET_MULTICAST; + nft_reg_store8(dest, PACKET_MULTICAST); else - *dest = PACKET_BROADCAST; + nft_reg_store8(dest, PACKET_BROADCAST); break; } case htons(ETH_P_IPV6): - *dest = PACKET_MULTICAST; + nft_reg_store8(dest, PACKET_MULTICAST); break; default: WARN_ON_ONCE(1); @@ -230,7 +227,9 @@ void nft_meta_set_eval(const struct nft_expr *expr, { const struct nft_meta *meta = nft_expr_priv(expr); struct sk_buff *skb = pkt->skb; - u32 value = regs->data[meta->sreg]; + u32 *sreg = ®s->data[meta->sreg]; + u32 value = *sreg; + u8 pkt_type; switch (meta->key) { case NFT_META_MARK: @@ -240,9 +239,12 @@ void nft_meta_set_eval(const struct nft_expr *expr, skb->priority = value; break; case NFT_META_PKTTYPE: - if (skb->pkt_type != value && - skb_pkt_type_ok(value) && skb_pkt_type_ok(skb->pkt_type)) - skb->pkt_type = value; + pkt_type = nft_reg_load8(sreg); + + if (skb->pkt_type != pkt_type && + skb_pkt_type_ok(pkt_type) && + skb_pkt_type_ok(skb->pkt_type)) + skb->pkt_type = pkt_type; break; case NFT_META_NFTRACE: skb->nf_trace = !!value; diff --git a/net/netfilter/nft_nat.c b/net/netfilter/nft_nat.c index 19a7bf3..439e0bd 100644 --- a/net/netfilter/nft_nat.c +++ b/net/netfilter/nft_nat.c @@ -65,10 +65,10 @@ static void nft_nat_eval(const struct nft_expr *expr, } if (priv->sreg_proto_min) { - range.min_proto.all = - *(__be16 *)®s->data[priv->sreg_proto_min]; - range.max_proto.all = - *(__be16 *)®s->data[priv->sreg_proto_max]; + range.min_proto.all = (__force __be16)nft_reg_load16( + ®s->data[priv->sreg_proto_min]); + range.max_proto.all = (__force __be16)nft_reg_load16( + ®s->data[priv->sreg_proto_max]); range.flags |= NF_NAT_RANGE_PROTO_SPECIFIED; } diff --git a/net/netfilter/nft_set_bitmap.c b/net/netfilter/nft_set_bitmap.c index 152d226..8ebbc29 100644 --- a/net/netfilter/nft_set_bitmap.c +++ b/net/netfilter/nft_set_bitmap.c @@ -15,6 +15,11 @@ #include <linux/netfilter/nf_tables.h> #include <net/netfilter/nf_tables.h> +struct nft_bitmap_elem { + struct list_head head; + struct nft_set_ext ext; +}; + /* This bitmap uses two bits to represent one element. These two bits determine * the element state in the current and the future generation. * @@ -41,13 +46,22 @@ * restore its previous state. */ struct nft_bitmap { - u16 bitmap_size; - u8 bitmap[]; + struct list_head list; + u16 bitmap_size; + u8 bitmap[]; }; -static inline void nft_bitmap_location(u32 key, u32 *idx, u32 *off) +static inline void nft_bitmap_location(const struct nft_set *set, + const void *key, + u32 *idx, u32 *off) { - u32 k = (key << 1); + u32 k; + + if (set->klen == 2) + k = *(u16 *)key; + else + k = *(u8 *)key; + k <<= 1; *idx = k / BITS_PER_BYTE; *off = k % BITS_PER_BYTE; @@ -69,26 +83,48 @@ static bool nft_bitmap_lookup(const struct net *net, const struct nft_set *set, u8 genmask = nft_genmask_cur(net); u32 idx, off; - nft_bitmap_location(*key, &idx, &off); + nft_bitmap_location(set, key, &idx, &off); return nft_bitmap_active(priv->bitmap, idx, off, genmask); } +static struct nft_bitmap_elem * +nft_bitmap_elem_find(const struct nft_set *set, struct nft_bitmap_elem *this, + u8 genmask) +{ + const struct nft_bitmap *priv = nft_set_priv(set); + struct nft_bitmap_elem *be; + + list_for_each_entry_rcu(be, &priv->list, head) { + if (memcmp(nft_set_ext_key(&be->ext), + nft_set_ext_key(&this->ext), set->klen) || + !nft_set_elem_active(&be->ext, genmask)) + continue; + + return be; + } + return NULL; +} + static int nft_bitmap_insert(const struct net *net, const struct nft_set *set, const struct nft_set_elem *elem, - struct nft_set_ext **_ext) + struct nft_set_ext **ext) { struct nft_bitmap *priv = nft_set_priv(set); - struct nft_set_ext *ext = elem->priv; + struct nft_bitmap_elem *new = elem->priv, *be; u8 genmask = nft_genmask_next(net); u32 idx, off; - nft_bitmap_location(nft_set_ext_key(ext)->data[0], &idx, &off); - if (nft_bitmap_active(priv->bitmap, idx, off, genmask)) + be = nft_bitmap_elem_find(set, new, genmask); + if (be) { + *ext = &be->ext; return -EEXIST; + } + nft_bitmap_location(set, nft_set_ext_key(&new->ext), &idx, &off); /* Enter 01 state. */ priv->bitmap[idx] |= (genmask << off); + list_add_tail_rcu(&new->head, &priv->list); return 0; } @@ -98,13 +134,14 @@ static void nft_bitmap_remove(const struct net *net, const struct nft_set_elem *elem) { struct nft_bitmap *priv = nft_set_priv(set); - struct nft_set_ext *ext = elem->priv; + struct nft_bitmap_elem *be = elem->priv; u8 genmask = nft_genmask_next(net); u32 idx, off; - nft_bitmap_location(nft_set_ext_key(ext)->data[0], &idx, &off); + nft_bitmap_location(set, nft_set_ext_key(&be->ext), &idx, &off); /* Enter 00 state. */ priv->bitmap[idx] &= ~(genmask << off); + list_del_rcu(&be->head); } static void nft_bitmap_activate(const struct net *net, @@ -112,74 +149,52 @@ static void nft_bitmap_activate(const struct net *net, const struct nft_set_elem *elem) { struct nft_bitmap *priv = nft_set_priv(set); - struct nft_set_ext *ext = elem->priv; + struct nft_bitmap_elem *be = elem->priv; u8 genmask = nft_genmask_next(net); u32 idx, off; - nft_bitmap_location(nft_set_ext_key(ext)->data[0], &idx, &off); + nft_bitmap_location(set, nft_set_ext_key(&be->ext), &idx, &off); /* Enter 11 state. */ priv->bitmap[idx] |= (genmask << off); + nft_set_elem_change_active(net, set, &be->ext); } static bool nft_bitmap_flush(const struct net *net, - const struct nft_set *set, void *ext) + const struct nft_set *set, void *_be) { struct nft_bitmap *priv = nft_set_priv(set); u8 genmask = nft_genmask_next(net); + struct nft_bitmap_elem *be = _be; u32 idx, off; - nft_bitmap_location(nft_set_ext_key(ext)->data[0], &idx, &off); + nft_bitmap_location(set, nft_set_ext_key(&be->ext), &idx, &off); /* Enter 10 state, similar to deactivation. */ priv->bitmap[idx] &= ~(genmask << off); + nft_set_elem_change_active(net, set, &be->ext); return true; } -static struct nft_set_ext *nft_bitmap_ext_alloc(const struct nft_set *set, - const struct nft_set_elem *elem) -{ - struct nft_set_ext_tmpl tmpl; - struct nft_set_ext *ext; - - nft_set_ext_prepare(&tmpl); - nft_set_ext_add_length(&tmpl, NFT_SET_EXT_KEY, set->klen); - - ext = kzalloc(tmpl.len, GFP_KERNEL); - if (!ext) - return NULL; - - nft_set_ext_init(ext, &tmpl); - memcpy(nft_set_ext_key(ext), elem->key.val.data, set->klen); - - return ext; -} - static void *nft_bitmap_deactivate(const struct net *net, const struct nft_set *set, const struct nft_set_elem *elem) { struct nft_bitmap *priv = nft_set_priv(set); + struct nft_bitmap_elem *this = elem->priv, *be; u8 genmask = nft_genmask_next(net); - struct nft_set_ext *ext; - u32 idx, off, key = 0; - - memcpy(&key, elem->key.val.data, set->klen); - nft_bitmap_location(key, &idx, &off); + u32 idx, off; - if (!nft_bitmap_active(priv->bitmap, idx, off, genmask)) - return NULL; + nft_bitmap_location(set, elem->key.val.data, &idx, &off); - /* We have no real set extension since this is a bitmap, allocate this - * dummy object that is released from the commit/abort path. - */ - ext = nft_bitmap_ext_alloc(set, elem); - if (!ext) + be = nft_bitmap_elem_find(set, this, genmask); + if (!be) return NULL; /* Enter 10 state. */ priv->bitmap[idx] &= ~(genmask << off); + nft_set_elem_change_active(net, set, &be->ext); - return ext; + return be; } static void nft_bitmap_walk(const struct nft_ctx *ctx, @@ -187,47 +202,23 @@ static void nft_bitmap_walk(const struct nft_ctx *ctx, struct nft_set_iter *iter) { const struct nft_bitmap *priv = nft_set_priv(set); - struct nft_set_ext_tmpl tmpl; + struct nft_bitmap_elem *be; struct nft_set_elem elem; - struct nft_set_ext *ext; - int idx, off; - u16 key; - - nft_set_ext_prepare(&tmpl); - nft_set_ext_add_length(&tmpl, NFT_SET_EXT_KEY, set->klen); - - for (idx = 0; idx < priv->bitmap_size; idx++) { - for (off = 0; off < BITS_PER_BYTE; off += 2) { - if (iter->count < iter->skip) - goto cont; - - if (!nft_bitmap_active(priv->bitmap, idx, off, - iter->genmask)) - goto cont; - - ext = kzalloc(tmpl.len, GFP_KERNEL); - if (!ext) { - iter->err = -ENOMEM; - return; - } - nft_set_ext_init(ext, &tmpl); - key = ((idx * BITS_PER_BYTE) + off) >> 1; - memcpy(nft_set_ext_key(ext), &key, set->klen); - - elem.priv = ext; - iter->err = iter->fn(ctx, set, iter, &elem); - - /* On set flush, this dummy extension object is released - * from the commit/abort path. - */ - if (!iter->flush) - kfree(ext); - - if (iter->err < 0) - return; + + list_for_each_entry_rcu(be, &priv->list, head) { + if (iter->count < iter->skip) + goto cont; + if (!nft_set_elem_active(&be->ext, iter->genmask)) + goto cont; + + elem.priv = be; + + iter->err = iter->fn(ctx, set, iter, &elem); + + if (iter->err < 0) + return; cont: - iter->count++; - } + iter->count++; } } @@ -258,6 +249,7 @@ static int nft_bitmap_init(const struct nft_set *set, { struct nft_bitmap *priv = nft_set_priv(set); + INIT_LIST_HEAD(&priv->list); priv->bitmap_size = nft_bitmap_size(set->klen); return 0; @@ -283,6 +275,7 @@ static bool nft_bitmap_estimate(const struct nft_set_desc *desc, u32 features, static struct nft_set_ops nft_bitmap_ops __read_mostly = { .privsize = nft_bitmap_privsize, + .elemsize = offsetof(struct nft_bitmap_elem, ext), .estimate = nft_bitmap_estimate, .init = nft_bitmap_init, .destroy = nft_bitmap_destroy, diff --git a/net/netfilter/xt_TCPMSS.c b/net/netfilter/xt_TCPMSS.c index 27241a7..c64aca6 100644 --- a/net/netfilter/xt_TCPMSS.c +++ b/net/netfilter/xt_TCPMSS.c @@ -104,7 +104,7 @@ tcpmss_mangle_packet(struct sk_buff *skb, tcph = (struct tcphdr *)(skb_network_header(skb) + tcphoff); tcp_hdrlen = tcph->doff * 4; - if (len < tcp_hdrlen) + if (len < tcp_hdrlen || tcp_hdrlen < sizeof(struct tcphdr)) return -1; if (info->mss == XT_TCPMSS_CLAMP_PMTU) { @@ -152,6 +152,10 @@ tcpmss_mangle_packet(struct sk_buff *skb, if (len > tcp_hdrlen) return 0; + /* tcph->doff has 4 bits, do not wrap it to 0 */ + if (tcp_hdrlen >= 15 * 4) + return 0; + /* * MSS Option not found ?! add it.. */ diff --git a/net/netfilter/xt_TPROXY.c b/net/netfilter/xt_TPROXY.c index 80cb7ba..df7f1df 100644 --- a/net/netfilter/xt_TPROXY.c +++ b/net/netfilter/xt_TPROXY.c @@ -393,7 +393,8 @@ tproxy_laddr6(struct sk_buff *skb, const struct in6_addr *user_laddr, rcu_read_lock(); indev = __in6_dev_get(skb->dev); - if (indev) + if (indev) { + read_lock_bh(&indev->lock); list_for_each_entry(ifa, &indev->addr_list, if_list) { if (ifa->flags & (IFA_F_TENTATIVE | IFA_F_DEPRECATED)) continue; @@ -401,6 +402,8 @@ tproxy_laddr6(struct sk_buff *skb, const struct in6_addr *user_laddr, laddr = &ifa->addr; break; } + read_unlock_bh(&indev->lock); + } rcu_read_unlock(); return laddr ? laddr : daddr; diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c index 7b73c7c..596eaff 100644 --- a/net/netlink/af_netlink.c +++ b/net/netlink/af_netlink.c @@ -96,6 +96,44 @@ EXPORT_SYMBOL_GPL(nl_table); static DECLARE_WAIT_QUEUE_HEAD(nl_table_wait); +static struct lock_class_key nlk_cb_mutex_keys[MAX_LINKS]; + +static const char *const nlk_cb_mutex_key_strings[MAX_LINKS + 1] = { + "nlk_cb_mutex-ROUTE", + "nlk_cb_mutex-1", + "nlk_cb_mutex-USERSOCK", + "nlk_cb_mutex-FIREWALL", + "nlk_cb_mutex-SOCK_DIAG", + "nlk_cb_mutex-NFLOG", + "nlk_cb_mutex-XFRM", + "nlk_cb_mutex-SELINUX", + "nlk_cb_mutex-ISCSI", + "nlk_cb_mutex-AUDIT", + "nlk_cb_mutex-FIB_LOOKUP", + "nlk_cb_mutex-CONNECTOR", + "nlk_cb_mutex-NETFILTER", + "nlk_cb_mutex-IP6_FW", + "nlk_cb_mutex-DNRTMSG", + "nlk_cb_mutex-KOBJECT_UEVENT", + "nlk_cb_mutex-GENERIC", + "nlk_cb_mutex-17", + "nlk_cb_mutex-SCSITRANSPORT", + "nlk_cb_mutex-ECRYPTFS", + "nlk_cb_mutex-RDMA", + "nlk_cb_mutex-CRYPTO", + "nlk_cb_mutex-SMC", + "nlk_cb_mutex-23", + "nlk_cb_mutex-24", + "nlk_cb_mutex-25", + "nlk_cb_mutex-26", + "nlk_cb_mutex-27", + "nlk_cb_mutex-28", + "nlk_cb_mutex-29", + "nlk_cb_mutex-30", + "nlk_cb_mutex-31", + "nlk_cb_mutex-MAX_LINKS" +}; + static int netlink_dump(struct sock *sk); static void netlink_skb_destructor(struct sk_buff *skb); @@ -585,6 +623,9 @@ static int __netlink_create(struct net *net, struct socket *sock, } else { nlk->cb_mutex = &nlk->cb_def_mutex; mutex_init(nlk->cb_mutex); + lockdep_set_class_and_name(nlk->cb_mutex, + nlk_cb_mutex_keys + protocol, + nlk_cb_mutex_key_strings[protocol]); } init_waitqueue_head(&nlk->wait); diff --git a/net/netlink/genetlink.c b/net/netlink/genetlink.c index fb6e10f..92e0981 100644 --- a/net/netlink/genetlink.c +++ b/net/netlink/genetlink.c @@ -783,8 +783,10 @@ static int ctrl_dumpfamily(struct sk_buff *skb, struct netlink_callback *cb) if (ctrl_fill_info(rt, NETLINK_CB(cb->skb).portid, cb->nlh->nlmsg_seq, NLM_F_MULTI, - skb, CTRL_CMD_NEWFAMILY) < 0) + skb, CTRL_CMD_NEWFAMILY) < 0) { + n--; break; + } } cb->args[0] = n; diff --git a/net/netrom/af_netrom.c b/net/netrom/af_netrom.c index 4bbf452..ebf16f7 100644 --- a/net/netrom/af_netrom.c +++ b/net/netrom/af_netrom.c @@ -765,7 +765,8 @@ out_release: return err; } -static int nr_accept(struct socket *sock, struct socket *newsock, int flags) +static int nr_accept(struct socket *sock, struct socket *newsock, int flags, + bool kern) { struct sk_buff *skb; struct sock *newsk; diff --git a/net/nfc/llcp_sock.c b/net/nfc/llcp_sock.c index 879885b..2ffb18e 100644 --- a/net/nfc/llcp_sock.c +++ b/net/nfc/llcp_sock.c @@ -441,7 +441,7 @@ struct sock *nfc_llcp_accept_dequeue(struct sock *parent, } static int llcp_sock_accept(struct socket *sock, struct socket *newsock, - int flags) + int flags, bool kern) { DECLARE_WAITQUEUE(wait, current); struct sock *sk = sock->sk, *new_sk; diff --git a/net/openvswitch/conntrack.c b/net/openvswitch/conntrack.c index e0a8777..7b2c2fc 100644 --- a/net/openvswitch/conntrack.c +++ b/net/openvswitch/conntrack.c @@ -643,8 +643,8 @@ static bool skb_nfct_cached(struct net *net, */ if (nf_ct_is_confirmed(ct)) nf_ct_delete(ct, 0, 0); - else - nf_conntrack_put(&ct->ct_general); + + nf_conntrack_put(&ct->ct_general); nf_ct_set(skb, NULL, 0); return false; } diff --git a/net/openvswitch/flow.c b/net/openvswitch/flow.c index 9d4bb8e..3f76cb7 100644 --- a/net/openvswitch/flow.c +++ b/net/openvswitch/flow.c @@ -527,7 +527,7 @@ static int key_extract(struct sk_buff *skb, struct sw_flow_key *key) /* Link layer. */ clear_vlan(key); - if (key->mac_proto == MAC_PROTO_NONE) { + if (ovs_key_mac_proto(key) == MAC_PROTO_NONE) { if (unlikely(eth_type_vlan(skb->protocol))) return -EINVAL; @@ -745,7 +745,13 @@ static int key_extract(struct sk_buff *skb, struct sw_flow_key *key) int ovs_flow_key_update(struct sk_buff *skb, struct sw_flow_key *key) { - return key_extract(skb, key); + int res; + + res = key_extract(skb, key); + if (!res) + key->mac_proto &= ~SW_FLOW_KEY_INVALID; + + return res; } static int key_extract_mac_proto(struct sk_buff *skb) diff --git a/net/openvswitch/flow_netlink.c b/net/openvswitch/flow_netlink.c index 6f5fa50..1105a83 100644 --- a/net/openvswitch/flow_netlink.c +++ b/net/openvswitch/flow_netlink.c @@ -604,7 +604,7 @@ static int ip_tun_from_nlattr(const struct nlattr *attr, ipv4 = true; break; case OVS_TUNNEL_KEY_ATTR_IPV6_SRC: - SW_FLOW_KEY_PUT(match, tun_key.u.ipv6.dst, + SW_FLOW_KEY_PUT(match, tun_key.u.ipv6.src, nla_get_in6_addr(a), is_mask); ipv6 = true; break; @@ -665,6 +665,8 @@ static int ip_tun_from_nlattr(const struct nlattr *attr, tun_flags |= TUNNEL_VXLAN_OPT; opts_type = type; break; + case OVS_TUNNEL_KEY_ATTR_PAD: + break; default: OVS_NLERR(log, "Unknown IP tunnel attribute %d", type); diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c index a0dbe7c..8489bef 100644 --- a/net/packet/af_packet.c +++ b/net/packet/af_packet.c @@ -3665,6 +3665,8 @@ packet_setsockopt(struct socket *sock, int level, int optname, char __user *optv return -EBUSY; if (copy_from_user(&val, optval, sizeof(val))) return -EFAULT; + if (val > INT_MAX) + return -EINVAL; po->tp_reserve = val; return 0; } @@ -4193,8 +4195,8 @@ static int packet_set_ring(struct sock *sk, union tpacket_req_u *req_u, if (unlikely(!PAGE_ALIGNED(req->tp_block_size))) goto out; if (po->tp_version >= TPACKET_V3 && - (int)(req->tp_block_size - - BLK_PLUS_PRIV(req_u->req3.tp_sizeof_priv)) <= 0) + req->tp_block_size <= + BLK_PLUS_PRIV((u64)req_u->req3.tp_sizeof_priv)) goto out; if (unlikely(req->tp_frame_size < po->tp_hdrlen + po->tp_reserve)) @@ -4205,6 +4207,8 @@ static int packet_set_ring(struct sock *sk, union tpacket_req_u *req_u, rb->frames_per_block = req->tp_block_size / req->tp_frame_size; if (unlikely(rb->frames_per_block == 0)) goto out; + if (unlikely(req->tp_block_size > UINT_MAX / req->tp_block_nr)) + goto out; if (unlikely((rb->frames_per_block * req->tp_block_nr) != req->tp_frame_nr)) goto out; diff --git a/net/phonet/pep.c b/net/phonet/pep.c index 222bedc..e815379 100644 --- a/net/phonet/pep.c +++ b/net/phonet/pep.c @@ -772,7 +772,8 @@ static void pep_sock_close(struct sock *sk, long timeout) sock_put(sk); } -static struct sock *pep_sock_accept(struct sock *sk, int flags, int *errp) +static struct sock *pep_sock_accept(struct sock *sk, int flags, int *errp, + bool kern) { struct pep_sock *pn = pep_sk(sk), *newpn; struct sock *newsk = NULL; @@ -846,7 +847,8 @@ static struct sock *pep_sock_accept(struct sock *sk, int flags, int *errp) } /* Create a new to-be-accepted sock */ - newsk = sk_alloc(sock_net(sk), PF_PHONET, GFP_KERNEL, sk->sk_prot, 0); + newsk = sk_alloc(sock_net(sk), PF_PHONET, GFP_KERNEL, sk->sk_prot, + kern); if (!newsk) { pep_reject_conn(sk, skb, PN_PIPE_ERR_OVERLOAD, GFP_KERNEL); err = -ENOBUFS; diff --git a/net/phonet/socket.c b/net/phonet/socket.c index a6c8da3..64634e3 100644 --- a/net/phonet/socket.c +++ b/net/phonet/socket.c @@ -305,7 +305,7 @@ out: } static int pn_socket_accept(struct socket *sock, struct socket *newsock, - int flags) + int flags, bool kern) { struct sock *sk = sock->sk; struct sock *newsk; @@ -314,7 +314,7 @@ static int pn_socket_accept(struct socket *sock, struct socket *newsock, if (unlikely(sk->sk_state != TCP_LISTEN)) return -EINVAL; - newsk = sk->sk_prot->accept(sk, flags, &err); + newsk = sk->sk_prot->accept(sk, flags, &err, kern); if (!newsk) return err; diff --git a/net/rds/connection.c b/net/rds/connection.c index 0e04dcc..1fa75ab 100644 --- a/net/rds/connection.c +++ b/net/rds/connection.c @@ -429,6 +429,7 @@ void rds_conn_destroy(struct rds_connection *conn) */ rds_cong_remove_conn(conn); + put_net(conn->c_net); kmem_cache_free(rds_conn_slab, conn); spin_lock_irqsave(&rds_conn_lock, flags); diff --git a/net/rds/ib_cm.c b/net/rds/ib_cm.c index ce3775a..1c38d2c 100644 --- a/net/rds/ib_cm.c +++ b/net/rds/ib_cm.c @@ -442,7 +442,7 @@ static int rds_ib_setup_qp(struct rds_connection *conn) ic->i_send_cq = NULL; ibdev_put_vector(rds_ibdev, ic->i_scq_vector); rdsdebug("ib_create_cq send failed: %d\n", ret); - goto out; + goto rds_ibdev_out; } ic->i_rcq_vector = ibdev_get_unused_vector(rds_ibdev); @@ -456,19 +456,19 @@ static int rds_ib_setup_qp(struct rds_connection *conn) ic->i_recv_cq = NULL; ibdev_put_vector(rds_ibdev, ic->i_rcq_vector); rdsdebug("ib_create_cq recv failed: %d\n", ret); - goto out; + goto send_cq_out; } ret = ib_req_notify_cq(ic->i_send_cq, IB_CQ_NEXT_COMP); if (ret) { rdsdebug("ib_req_notify_cq send failed: %d\n", ret); - goto out; + goto recv_cq_out; } ret = ib_req_notify_cq(ic->i_recv_cq, IB_CQ_SOLICITED); if (ret) { rdsdebug("ib_req_notify_cq recv failed: %d\n", ret); - goto out; + goto recv_cq_out; } /* XXX negotiate max send/recv with remote? */ @@ -494,7 +494,7 @@ static int rds_ib_setup_qp(struct rds_connection *conn) ret = rdma_create_qp(ic->i_cm_id, ic->i_pd, &attr); if (ret) { rdsdebug("rdma_create_qp failed: %d\n", ret); - goto out; + goto recv_cq_out; } ic->i_send_hdrs = ib_dma_alloc_coherent(dev, @@ -504,7 +504,7 @@ static int rds_ib_setup_qp(struct rds_connection *conn) if (!ic->i_send_hdrs) { ret = -ENOMEM; rdsdebug("ib_dma_alloc_coherent send failed\n"); - goto out; + goto qp_out; } ic->i_recv_hdrs = ib_dma_alloc_coherent(dev, @@ -514,7 +514,7 @@ static int rds_ib_setup_qp(struct rds_connection *conn) if (!ic->i_recv_hdrs) { ret = -ENOMEM; rdsdebug("ib_dma_alloc_coherent recv failed\n"); - goto out; + goto send_hdrs_dma_out; } ic->i_ack = ib_dma_alloc_coherent(dev, sizeof(struct rds_header), @@ -522,7 +522,7 @@ static int rds_ib_setup_qp(struct rds_connection *conn) if (!ic->i_ack) { ret = -ENOMEM; rdsdebug("ib_dma_alloc_coherent ack failed\n"); - goto out; + goto recv_hdrs_dma_out; } ic->i_sends = vzalloc_node(ic->i_send_ring.w_nr * sizeof(struct rds_ib_send_work), @@ -530,7 +530,7 @@ static int rds_ib_setup_qp(struct rds_connection *conn) if (!ic->i_sends) { ret = -ENOMEM; rdsdebug("send allocation failed\n"); - goto out; + goto ack_dma_out; } ic->i_recvs = vzalloc_node(ic->i_recv_ring.w_nr * sizeof(struct rds_ib_recv_work), @@ -538,7 +538,7 @@ static int rds_ib_setup_qp(struct rds_connection *conn) if (!ic->i_recvs) { ret = -ENOMEM; rdsdebug("recv allocation failed\n"); - goto out; + goto sends_out; } rds_ib_recv_init_ack(ic); @@ -546,8 +546,33 @@ static int rds_ib_setup_qp(struct rds_connection *conn) rdsdebug("conn %p pd %p cq %p %p\n", conn, ic->i_pd, ic->i_send_cq, ic->i_recv_cq); -out: + return ret; + +sends_out: + vfree(ic->i_sends); +ack_dma_out: + ib_dma_free_coherent(dev, sizeof(struct rds_header), + ic->i_ack, ic->i_ack_dma); +recv_hdrs_dma_out: + ib_dma_free_coherent(dev, ic->i_recv_ring.w_nr * + sizeof(struct rds_header), + ic->i_recv_hdrs, ic->i_recv_hdrs_dma); +send_hdrs_dma_out: + ib_dma_free_coherent(dev, ic->i_send_ring.w_nr * + sizeof(struct rds_header), + ic->i_send_hdrs, ic->i_send_hdrs_dma); +qp_out: + rdma_destroy_qp(ic->i_cm_id); +recv_cq_out: + if (!ib_destroy_cq(ic->i_recv_cq)) + ic->i_recv_cq = NULL; +send_cq_out: + if (!ib_destroy_cq(ic->i_send_cq)) + ic->i_send_cq = NULL; +rds_ibdev_out: + rds_ib_remove_conn(rds_ibdev, conn); rds_ib_dev_put(rds_ibdev); + return ret; } diff --git a/net/rds/rds.h b/net/rds/rds.h index 39518ef..82d38cc 100644 --- a/net/rds/rds.h +++ b/net/rds/rds.h @@ -147,7 +147,7 @@ struct rds_connection { /* Protocol version */ unsigned int c_version; - possible_net_t c_net; + struct net *c_net; struct list_head c_map_item; unsigned long c_map_queued; @@ -162,13 +162,13 @@ struct rds_connection { static inline struct net *rds_conn_net(struct rds_connection *conn) { - return read_pnet(&conn->c_net); + return conn->c_net; } static inline void rds_conn_net_set(struct rds_connection *conn, struct net *net) { - write_pnet(&conn->c_net, net); + conn->c_net = get_net(net); } #define RDS_FLAG_CONG_BITMAP 0x01 diff --git a/net/rds/tcp.c b/net/rds/tcp.c index a973d3b..2256900 100644 --- a/net/rds/tcp.c +++ b/net/rds/tcp.c @@ -484,9 +484,10 @@ static void __net_exit rds_tcp_exit_net(struct net *net) * we do need to clean up the listen socket here. */ if (rtn->rds_tcp_listen_sock) { - rds_tcp_listen_stop(rtn->rds_tcp_listen_sock); + struct socket *lsock = rtn->rds_tcp_listen_sock; + rtn->rds_tcp_listen_sock = NULL; - flush_work(&rtn->rds_tcp_accept_w); + rds_tcp_listen_stop(lsock, &rtn->rds_tcp_accept_w); } } @@ -523,13 +524,13 @@ static void rds_tcp_kill_sock(struct net *net) struct rds_tcp_connection *tc, *_tc; LIST_HEAD(tmp_list); struct rds_tcp_net *rtn = net_generic(net, rds_tcp_netid); + struct socket *lsock = rtn->rds_tcp_listen_sock; - rds_tcp_listen_stop(rtn->rds_tcp_listen_sock); rtn->rds_tcp_listen_sock = NULL; - flush_work(&rtn->rds_tcp_accept_w); + rds_tcp_listen_stop(lsock, &rtn->rds_tcp_accept_w); spin_lock_irq(&rds_tcp_conn_lock); list_for_each_entry_safe(tc, _tc, &rds_tcp_conn_list, t_tcp_node) { - struct net *c_net = read_pnet(&tc->t_cpath->cp_conn->c_net); + struct net *c_net = tc->t_cpath->cp_conn->c_net; if (net != c_net || !tc->t_sock) continue; @@ -546,8 +547,12 @@ static void rds_tcp_kill_sock(struct net *net) void *rds_tcp_listen_sock_def_readable(struct net *net) { struct rds_tcp_net *rtn = net_generic(net, rds_tcp_netid); + struct socket *lsock = rtn->rds_tcp_listen_sock; + + if (!lsock) + return NULL; - return rtn->rds_tcp_listen_sock->sk->sk_user_data; + return lsock->sk->sk_user_data; } static int rds_tcp_dev_event(struct notifier_block *this, @@ -584,7 +589,7 @@ static void rds_tcp_sysctl_reset(struct net *net) spin_lock_irq(&rds_tcp_conn_lock); list_for_each_entry_safe(tc, _tc, &rds_tcp_conn_list, t_tcp_node) { - struct net *c_net = read_pnet(&tc->t_cpath->cp_conn->c_net); + struct net *c_net = tc->t_cpath->cp_conn->c_net; if (net != c_net || !tc->t_sock) continue; @@ -638,19 +643,19 @@ static int rds_tcp_init(void) goto out; } - ret = register_netdevice_notifier(&rds_tcp_dev_notifier); - if (ret) { - pr_warn("could not register rds_tcp_dev_notifier\n"); + ret = rds_tcp_recv_init(); + if (ret) goto out_slab; - } ret = register_pernet_subsys(&rds_tcp_net_ops); if (ret) - goto out_notifier; + goto out_recv; - ret = rds_tcp_recv_init(); - if (ret) + ret = register_netdevice_notifier(&rds_tcp_dev_notifier); + if (ret) { + pr_warn("could not register rds_tcp_dev_notifier\n"); goto out_pernet; + } rds_trans_register(&rds_tcp_transport); @@ -660,9 +665,8 @@ static int rds_tcp_init(void) out_pernet: unregister_pernet_subsys(&rds_tcp_net_ops); -out_notifier: - if (unregister_netdevice_notifier(&rds_tcp_dev_notifier)) - pr_warn("could not unregister rds_tcp_dev_notifier\n"); +out_recv: + rds_tcp_recv_exit(); out_slab: kmem_cache_destroy(rds_tcp_conn_slab); out: diff --git a/net/rds/tcp.h b/net/rds/tcp.h index 9a1cc89..56ea662 100644 --- a/net/rds/tcp.h +++ b/net/rds/tcp.h @@ -66,7 +66,7 @@ void rds_tcp_state_change(struct sock *sk); /* tcp_listen.c */ struct socket *rds_tcp_listen_init(struct net *); -void rds_tcp_listen_stop(struct socket *); +void rds_tcp_listen_stop(struct socket *sock, struct work_struct *acceptor); void rds_tcp_listen_data_ready(struct sock *sk); int rds_tcp_accept_one(struct socket *sock); int rds_tcp_keepalive(struct socket *sock); diff --git a/net/rds/tcp_listen.c b/net/rds/tcp_listen.c index 67d0929..5076788 100644 --- a/net/rds/tcp_listen.c +++ b/net/rds/tcp_listen.c @@ -133,7 +133,7 @@ int rds_tcp_accept_one(struct socket *sock) new_sock->type = sock->type; new_sock->ops = sock->ops; - ret = sock->ops->accept(sock, new_sock, O_NONBLOCK); + ret = sock->ops->accept(sock, new_sock, O_NONBLOCK, true); if (ret < 0) goto out; @@ -223,6 +223,9 @@ void rds_tcp_listen_data_ready(struct sock *sk) * before it has been accepted and the accepter has set up their * data_ready.. we only want to queue listen work for our listening * socket + * + * (*ready)() may be null if we are racing with netns delete, and + * the listen socket is being torn down. */ if (sk->sk_state == TCP_LISTEN) rds_tcp_accept_work(sk); @@ -231,7 +234,8 @@ void rds_tcp_listen_data_ready(struct sock *sk) out: read_unlock_bh(&sk->sk_callback_lock); - ready(sk); + if (ready) + ready(sk); } struct socket *rds_tcp_listen_init(struct net *net) @@ -271,7 +275,7 @@ out: return NULL; } -void rds_tcp_listen_stop(struct socket *sock) +void rds_tcp_listen_stop(struct socket *sock, struct work_struct *acceptor) { struct sock *sk; @@ -292,5 +296,6 @@ void rds_tcp_listen_stop(struct socket *sock) /* wait for accepts to stop and close the socket */ flush_workqueue(rds_wq); + flush_work(acceptor); sock_release(sock); } diff --git a/net/rose/af_rose.c b/net/rose/af_rose.c index b8a1df2..4a97292 100644 --- a/net/rose/af_rose.c +++ b/net/rose/af_rose.c @@ -871,7 +871,8 @@ out_release: return err; } -static int rose_accept(struct socket *sock, struct socket *newsock, int flags) +static int rose_accept(struct socket *sock, struct socket *newsock, int flags, + bool kern) { struct sk_buff *skb; struct sock *newsk; diff --git a/net/rxrpc/conn_event.c b/net/rxrpc/conn_event.c index 3f9d8d7..b099b64 100644 --- a/net/rxrpc/conn_event.c +++ b/net/rxrpc/conn_event.c @@ -275,6 +275,10 @@ static int rxrpc_process_event(struct rxrpc_connection *conn, rxrpc_conn_retransmit_call(conn, skb); return 0; + case RXRPC_PACKET_TYPE_BUSY: + /* Just ignore BUSY packets for now. */ + return 0; + case RXRPC_PACKET_TYPE_ABORT: if (skb_copy_bits(skb, sizeof(struct rxrpc_wire_header), &wtmp, sizeof(wtmp)) < 0) diff --git a/net/rxrpc/input.c b/net/rxrpc/input.c index 9f4cfa2..18b2ad8 100644 --- a/net/rxrpc/input.c +++ b/net/rxrpc/input.c @@ -420,6 +420,7 @@ static void rxrpc_input_data(struct rxrpc_call *call, struct sk_buff *skb, u16 skew) { struct rxrpc_skb_priv *sp = rxrpc_skb(skb); + enum rxrpc_call_state state; unsigned int offset = sizeof(struct rxrpc_wire_header); unsigned int ix; rxrpc_serial_t serial = sp->hdr.serial, ack_serial = 0; @@ -434,14 +435,15 @@ static void rxrpc_input_data(struct rxrpc_call *call, struct sk_buff *skb, _proto("Rx DATA %%%u { #%u f=%02x }", sp->hdr.serial, seq, sp->hdr.flags); - if (call->state >= RXRPC_CALL_COMPLETE) + state = READ_ONCE(call->state); + if (state >= RXRPC_CALL_COMPLETE) return; /* Received data implicitly ACKs all of the request packets we sent * when we're acting as a client. */ - if ((call->state == RXRPC_CALL_CLIENT_SEND_REQUEST || - call->state == RXRPC_CALL_CLIENT_AWAIT_REPLY) && + if ((state == RXRPC_CALL_CLIENT_SEND_REQUEST || + state == RXRPC_CALL_CLIENT_AWAIT_REPLY) && !rxrpc_receiving_reply(call)) return; @@ -650,6 +652,7 @@ static void rxrpc_input_ackinfo(struct rxrpc_call *call, struct sk_buff *skb, struct rxrpc_skb_priv *sp = rxrpc_skb(skb); struct rxrpc_peer *peer; unsigned int mtu; + bool wake = false; u32 rwind = ntohl(ackinfo->rwind); _proto("Rx ACK %%%u Info { rx=%u max=%u rwin=%u jm=%u }", @@ -657,9 +660,14 @@ static void rxrpc_input_ackinfo(struct rxrpc_call *call, struct sk_buff *skb, ntohl(ackinfo->rxMTU), ntohl(ackinfo->maxMTU), rwind, ntohl(ackinfo->jumbo_max)); - if (rwind > RXRPC_RXTX_BUFF_SIZE - 1) - rwind = RXRPC_RXTX_BUFF_SIZE - 1; - call->tx_winsize = rwind; + if (call->tx_winsize != rwind) { + if (rwind > RXRPC_RXTX_BUFF_SIZE - 1) + rwind = RXRPC_RXTX_BUFF_SIZE - 1; + if (rwind > call->tx_winsize) + wake = true; + call->tx_winsize = rwind; + } + if (call->cong_ssthresh > rwind) call->cong_ssthresh = rwind; @@ -673,6 +681,9 @@ static void rxrpc_input_ackinfo(struct rxrpc_call *call, struct sk_buff *skb, spin_unlock_bh(&peer->lock); _net("Net MTU %u (maxdata %u)", peer->mtu, peer->maxdata); } + + if (wake) + wake_up(&call->waitq); } /* @@ -799,7 +810,7 @@ static void rxrpc_input_ack(struct rxrpc_call *call, struct sk_buff *skb, return rxrpc_proto_abort("AK0", call, 0); /* Ignore ACKs unless we are or have just been transmitting. */ - switch (call->state) { + switch (READ_ONCE(call->state)) { case RXRPC_CALL_CLIENT_SEND_REQUEST: case RXRPC_CALL_CLIENT_AWAIT_REPLY: case RXRPC_CALL_SERVER_SEND_REPLY: @@ -940,7 +951,7 @@ static void rxrpc_input_call_packet(struct rxrpc_call *call, static void rxrpc_input_implicit_end_call(struct rxrpc_connection *conn, struct rxrpc_call *call) { - switch (call->state) { + switch (READ_ONCE(call->state)) { case RXRPC_CALL_SERVER_AWAIT_ACK: rxrpc_call_completed(call); break; diff --git a/net/rxrpc/recvmsg.c b/net/rxrpc/recvmsg.c index 6491ca4..3e2f1a8 100644 --- a/net/rxrpc/recvmsg.c +++ b/net/rxrpc/recvmsg.c @@ -527,7 +527,7 @@ try_again: msg->msg_namelen = len; } - switch (call->state) { + switch (READ_ONCE(call->state)) { case RXRPC_CALL_SERVER_ACCEPTING: ret = rxrpc_recvmsg_new_call(rx, call, msg, flags); break; @@ -640,7 +640,7 @@ int rxrpc_kernel_recv_data(struct socket *sock, struct rxrpc_call *call, mutex_lock(&call->user_mutex); - switch (call->state) { + switch (READ_ONCE(call->state)) { case RXRPC_CALL_CLIENT_RECV_REPLY: case RXRPC_CALL_SERVER_RECV_REQUEST: case RXRPC_CALL_SERVER_ACK_REQUEST: diff --git a/net/rxrpc/sendmsg.c b/net/rxrpc/sendmsg.c index bc2d3dc..97ab214 100644 --- a/net/rxrpc/sendmsg.c +++ b/net/rxrpc/sendmsg.c @@ -488,6 +488,7 @@ rxrpc_new_client_call_for_sendmsg(struct rxrpc_sock *rx, struct msghdr *msg, int rxrpc_do_sendmsg(struct rxrpc_sock *rx, struct msghdr *msg, size_t len) __releases(&rx->sk.sk_lock.slock) { + enum rxrpc_call_state state; enum rxrpc_command cmd; struct rxrpc_call *call; unsigned long user_call_ID = 0; @@ -526,13 +527,17 @@ int rxrpc_do_sendmsg(struct rxrpc_sock *rx, struct msghdr *msg, size_t len) return PTR_ERR(call); /* ... and we have the call lock. */ } else { - ret = -EBUSY; - if (call->state == RXRPC_CALL_UNINITIALISED || - call->state == RXRPC_CALL_CLIENT_AWAIT_CONN || - call->state == RXRPC_CALL_SERVER_PREALLOC || - call->state == RXRPC_CALL_SERVER_SECURING || - call->state == RXRPC_CALL_SERVER_ACCEPTING) + switch (READ_ONCE(call->state)) { + case RXRPC_CALL_UNINITIALISED: + case RXRPC_CALL_CLIENT_AWAIT_CONN: + case RXRPC_CALL_SERVER_PREALLOC: + case RXRPC_CALL_SERVER_SECURING: + case RXRPC_CALL_SERVER_ACCEPTING: + ret = -EBUSY; goto error_release_sock; + default: + break; + } ret = mutex_lock_interruptible(&call->user_mutex); release_sock(&rx->sk); @@ -542,10 +547,11 @@ int rxrpc_do_sendmsg(struct rxrpc_sock *rx, struct msghdr *msg, size_t len) } } + state = READ_ONCE(call->state); _debug("CALL %d USR %lx ST %d on CONN %p", - call->debug_id, call->user_call_ID, call->state, call->conn); + call->debug_id, call->user_call_ID, state, call->conn); - if (call->state >= RXRPC_CALL_COMPLETE) { + if (state >= RXRPC_CALL_COMPLETE) { /* it's too late for this call */ ret = -ESHUTDOWN; } else if (cmd == RXRPC_CMD_SEND_ABORT) { @@ -555,12 +561,12 @@ int rxrpc_do_sendmsg(struct rxrpc_sock *rx, struct msghdr *msg, size_t len) } else if (cmd != RXRPC_CMD_SEND_DATA) { ret = -EINVAL; } else if (rxrpc_is_client_call(call) && - call->state != RXRPC_CALL_CLIENT_SEND_REQUEST) { + state != RXRPC_CALL_CLIENT_SEND_REQUEST) { /* request phase complete for this client call */ ret = -EPROTO; } else if (rxrpc_is_service_call(call) && - call->state != RXRPC_CALL_SERVER_ACK_REQUEST && - call->state != RXRPC_CALL_SERVER_SEND_REPLY) { + state != RXRPC_CALL_SERVER_ACK_REQUEST && + state != RXRPC_CALL_SERVER_SEND_REPLY) { /* Reply phase not begun or not complete for service call. */ ret = -EPROTO; } else { @@ -605,14 +611,21 @@ int rxrpc_kernel_send_data(struct socket *sock, struct rxrpc_call *call, _debug("CALL %d USR %lx ST %d on CONN %p", call->debug_id, call->user_call_ID, call->state, call->conn); - if (call->state >= RXRPC_CALL_COMPLETE) { - ret = -ESHUTDOWN; /* it's too late for this call */ - } else if (call->state != RXRPC_CALL_CLIENT_SEND_REQUEST && - call->state != RXRPC_CALL_SERVER_ACK_REQUEST && - call->state != RXRPC_CALL_SERVER_SEND_REPLY) { - ret = -EPROTO; /* request phase complete for this client call */ - } else { + switch (READ_ONCE(call->state)) { + case RXRPC_CALL_CLIENT_SEND_REQUEST: + case RXRPC_CALL_SERVER_ACK_REQUEST: + case RXRPC_CALL_SERVER_SEND_REPLY: ret = rxrpc_send_data(rxrpc_sk(sock->sk), call, msg, len); + break; + case RXRPC_CALL_COMPLETE: + read_lock_bh(&call->state_lock); + ret = -call->error; + read_unlock_bh(&call->state_lock); + break; + default: + /* Request phase complete for this client call */ + ret = -EPROTO; + break; } mutex_unlock(&call->user_mutex); diff --git a/net/sched/act_connmark.c b/net/sched/act_connmark.c index ab80629..f9bb43c 100644 --- a/net/sched/act_connmark.c +++ b/net/sched/act_connmark.c @@ -113,6 +113,9 @@ static int tcf_connmark_init(struct net *net, struct nlattr *nla, if (ret < 0) return ret; + if (!tb[TCA_CONNMARK_PARMS]) + return -EINVAL; + parm = nla_data(tb[TCA_CONNMARK_PARMS]); if (!tcf_hash_check(tn, parm->index, a, bind)) { diff --git a/net/sched/act_skbmod.c b/net/sched/act_skbmod.c index 3b7074e..c736627 100644 --- a/net/sched/act_skbmod.c +++ b/net/sched/act_skbmod.c @@ -228,7 +228,6 @@ static int tcf_skbmod_dump(struct sk_buff *skb, struct tc_action *a, return skb->len; nla_put_failure: - rcu_read_unlock(); nlmsg_trim(skb, b); return -1; } diff --git a/net/sched/sch_dsmark.c b/net/sched/sch_dsmark.c index 802ac7c..5334e30 100644 --- a/net/sched/sch_dsmark.c +++ b/net/sched/sch_dsmark.c @@ -201,9 +201,13 @@ static int dsmark_enqueue(struct sk_buff *skb, struct Qdisc *sch, pr_debug("%s(skb %p,sch %p,[qdisc %p])\n", __func__, skb, sch, p); if (p->set_tc_index) { + int wlen = skb_network_offset(skb); + switch (tc_skb_protocol(skb)) { case htons(ETH_P_IP): - if (skb_cow_head(skb, sizeof(struct iphdr))) + wlen += sizeof(struct iphdr); + if (!pskb_may_pull(skb, wlen) || + skb_try_make_writable(skb, wlen)) goto drop; skb->tc_index = ipv4_get_dsfield(ip_hdr(skb)) @@ -211,7 +215,9 @@ static int dsmark_enqueue(struct sk_buff *skb, struct Qdisc *sch, break; case htons(ETH_P_IPV6): - if (skb_cow_head(skb, sizeof(struct ipv6hdr))) + wlen += sizeof(struct ipv6hdr); + if (!pskb_may_pull(skb, wlen) || + skb_try_make_writable(skb, wlen)) goto drop; skb->tc_index = ipv6_get_dsfield(ipv6_hdr(skb)) diff --git a/net/sched/sch_generic.c b/net/sched/sch_generic.c index b052b27..1a2f9e9 100644 --- a/net/sched/sch_generic.c +++ b/net/sched/sch_generic.c @@ -794,7 +794,7 @@ static void attach_default_qdiscs(struct net_device *dev) } } #ifdef CONFIG_NET_SCHED - if (dev->qdisc) + if (dev->qdisc != &noop_qdisc) qdisc_hash_add(dev->qdisc); #endif } diff --git a/net/sctp/associola.c b/net/sctp/associola.c index 2a6835b..a9708da 100644 --- a/net/sctp/associola.c +++ b/net/sctp/associola.c @@ -71,9 +71,8 @@ static struct sctp_association *sctp_association_init(struct sctp_association *a { struct net *net = sock_net(sk); struct sctp_sock *sp; - int i; sctp_paramhdr_t *p; - int err; + int i; /* Retrieve the SCTP per socket area. */ sp = sctp_sk((struct sock *)sk); @@ -247,6 +246,9 @@ static struct sctp_association *sctp_association_init(struct sctp_association *a if (!sctp_ulpq_init(&asoc->ulpq, asoc)) goto fail_init; + if (sctp_stream_new(asoc, gfp)) + goto fail_init; + /* Assume that peer would support both address types unless we are * told otherwise. */ @@ -264,9 +266,8 @@ static struct sctp_association *sctp_association_init(struct sctp_association *a /* AUTH related initializations */ INIT_LIST_HEAD(&asoc->endpoint_shared_keys); - err = sctp_auth_asoc_copy_shkeys(ep, asoc, gfp); - if (err) - goto fail_init; + if (sctp_auth_asoc_copy_shkeys(ep, asoc, gfp)) + goto stream_free; asoc->active_key_id = ep->active_key_id; asoc->prsctp_enable = ep->prsctp_enable; @@ -289,6 +290,8 @@ static struct sctp_association *sctp_association_init(struct sctp_association *a return asoc; +stream_free: + sctp_stream_free(asoc->stream); fail_init: sock_put(asoc->base.sk); sctp_endpoint_put(asoc->ep); @@ -1409,7 +1412,7 @@ sctp_assoc_choose_alter_transport(struct sctp_association *asoc, /* Update the association's pmtu and frag_point by going through all the * transports. This routine is called when a transport's PMTU has changed. */ -void sctp_assoc_sync_pmtu(struct sock *sk, struct sctp_association *asoc) +void sctp_assoc_sync_pmtu(struct sctp_association *asoc) { struct sctp_transport *t; __u32 pmtu = 0; @@ -1421,8 +1424,8 @@ void sctp_assoc_sync_pmtu(struct sock *sk, struct sctp_association *asoc) list_for_each_entry(t, &asoc->peer.transport_addr_list, transports) { if (t->pmtu_pending && t->dst) { - sctp_transport_update_pmtu(sk, t, - SCTP_TRUNC4(dst_mtu(t->dst))); + sctp_transport_update_pmtu( + t, SCTP_TRUNC4(dst_mtu(t->dst))); t->pmtu_pending = 0; } if (!pmtu || (t->pathmtu < pmtu)) diff --git a/net/sctp/input.c b/net/sctp/input.c index 2a28ab2..0e06a27 100644 --- a/net/sctp/input.c +++ b/net/sctp/input.c @@ -401,10 +401,10 @@ void sctp_icmp_frag_needed(struct sock *sk, struct sctp_association *asoc, if (t->param_flags & SPP_PMTUD_ENABLE) { /* Update transports view of the MTU */ - sctp_transport_update_pmtu(sk, t, pmtu); + sctp_transport_update_pmtu(t, pmtu); /* Update association pmtu. */ - sctp_assoc_sync_pmtu(sk, asoc); + sctp_assoc_sync_pmtu(asoc); } /* Retransmit with the new pmtu setting. diff --git a/net/sctp/ipv6.c b/net/sctp/ipv6.c index 063baac..961ee59 100644 --- a/net/sctp/ipv6.c +++ b/net/sctp/ipv6.c @@ -640,14 +640,15 @@ static sctp_scope_t sctp_v6_scope(union sctp_addr *addr) /* Create and initialize a new sk for the socket to be returned by accept(). */ static struct sock *sctp_v6_create_accept_sk(struct sock *sk, - struct sctp_association *asoc) + struct sctp_association *asoc, + bool kern) { struct sock *newsk; struct ipv6_pinfo *newnp, *np = inet6_sk(sk); struct sctp6_sock *newsctp6sk; struct ipv6_txoptions *opt; - newsk = sk_alloc(sock_net(sk), PF_INET6, GFP_KERNEL, sk->sk_prot, 0); + newsk = sk_alloc(sock_net(sk), PF_INET6, GFP_KERNEL, sk->sk_prot, kern); if (!newsk) goto out; diff --git a/net/sctp/output.c b/net/sctp/output.c index 71ce6b9..1409a87 100644 --- a/net/sctp/output.c +++ b/net/sctp/output.c @@ -86,43 +86,53 @@ void sctp_packet_config(struct sctp_packet *packet, __u32 vtag, { struct sctp_transport *tp = packet->transport; struct sctp_association *asoc = tp->asoc; + struct sock *sk; pr_debug("%s: packet:%p vtag:0x%x\n", __func__, packet, vtag); - packet->vtag = vtag; - if (asoc && tp->dst) { - struct sock *sk = asoc->base.sk; - - rcu_read_lock(); - if (__sk_dst_get(sk) != tp->dst) { - dst_hold(tp->dst); - sk_setup_caps(sk, tp->dst); - } - - if (sk_can_gso(sk)) { - struct net_device *dev = tp->dst->dev; + /* do the following jobs only once for a flush schedule */ + if (!sctp_packet_empty(packet)) + return; - packet->max_size = dev->gso_max_size; - } else { - packet->max_size = asoc->pathmtu; - } - rcu_read_unlock(); + /* set packet max_size with pathmtu */ + packet->max_size = tp->pathmtu; + if (!asoc) + return; - } else { - packet->max_size = tp->pathmtu; + /* update dst or transport pathmtu if in need */ + sk = asoc->base.sk; + if (!sctp_transport_dst_check(tp)) { + sctp_transport_route(tp, NULL, sctp_sk(sk)); + if (asoc->param_flags & SPP_PMTUD_ENABLE) + sctp_assoc_sync_pmtu(asoc); + } else if (!sctp_transport_pmtu_check(tp)) { + if (asoc->param_flags & SPP_PMTUD_ENABLE) + sctp_assoc_sync_pmtu(asoc); } - if (ecn_capable && sctp_packet_empty(packet)) { - struct sctp_chunk *chunk; + /* If there a is a prepend chunk stick it on the list before + * any other chunks get appended. + */ + if (ecn_capable) { + struct sctp_chunk *chunk = sctp_get_ecne_prepend(asoc); - /* If there a is a prepend chunk stick it on the list before - * any other chunks get appended. - */ - chunk = sctp_get_ecne_prepend(asoc); if (chunk) sctp_packet_append_chunk(packet, chunk); } + + if (!tp->dst) + return; + + /* set packet max_size with gso_max_size if gso is enabled*/ + rcu_read_lock(); + if (__sk_dst_get(sk) != tp->dst) { + dst_hold(tp->dst); + sk_setup_caps(sk, tp->dst); + } + packet->max_size = sk_can_gso(sk) ? tp->dst->dev->gso_max_size + : asoc->pathmtu; + rcu_read_unlock(); } /* Initialize the packet structure. */ @@ -546,7 +556,6 @@ int sctp_packet_transmit(struct sctp_packet *packet, gfp_t gfp) struct sctp_association *asoc = tp->asoc; struct sctp_chunk *chunk, *tmp; int pkt_count, gso = 0; - int confirm; struct dst_entry *dst; struct sk_buff *head; struct sctphdr *sh; @@ -583,12 +592,7 @@ int sctp_packet_transmit(struct sctp_packet *packet, gfp_t gfp) sh->vtag = htonl(packet->vtag); sh->checksum = 0; - /* update dst if in need */ - if (!sctp_transport_dst_check(tp)) { - sctp_transport_route(tp, NULL, sctp_sk(sk)); - if (asoc && asoc->param_flags & SPP_PMTUD_ENABLE) - sctp_assoc_sync_pmtu(sk, asoc); - } + /* drop packet if no dst */ dst = dst_clone(tp->dst); if (!dst) { IP_INC_STATS(sock_net(sk), IPSTATS_MIB_OUTNOROUTES); @@ -625,13 +629,13 @@ int sctp_packet_transmit(struct sctp_packet *packet, gfp_t gfp) asoc->peer.last_sent_to = tp; } head->ignore_df = packet->ipfragok; - confirm = tp->dst_pending_confirm; - if (confirm) + if (tp->dst_pending_confirm) skb_set_dst_pending_confirm(head, 1); /* neighbour should be confirmed on successful transmission or * positive error */ - if (tp->af_specific->sctp_xmit(head, tp) >= 0 && confirm) + if (tp->af_specific->sctp_xmit(head, tp) >= 0 && + tp->dst_pending_confirm) tp->dst_pending_confirm = 0; out: @@ -705,7 +709,7 @@ static sctp_xmit_t sctp_packet_can_append_data(struct sctp_packet *packet, */ if ((sctp_sk(asoc->base.sk)->nodelay || inflight == 0) && - !chunk->msg->force_delay) + !asoc->force_delay) /* Nothing unacked */ return SCTP_XMIT_OK; diff --git a/net/sctp/outqueue.c b/net/sctp/outqueue.c index db352e5..8081476 100644 --- a/net/sctp/outqueue.c +++ b/net/sctp/outqueue.c @@ -382,17 +382,18 @@ static int sctp_prsctp_prune_sent(struct sctp_association *asoc, } static int sctp_prsctp_prune_unsent(struct sctp_association *asoc, - struct sctp_sndrcvinfo *sinfo, - struct list_head *queue, int msg_len) + struct sctp_sndrcvinfo *sinfo, int msg_len) { + struct sctp_outq *q = &asoc->outqueue; struct sctp_chunk *chk, *temp; - list_for_each_entry_safe(chk, temp, queue, list) { + list_for_each_entry_safe(chk, temp, &q->out_chunk_list, list) { if (!SCTP_PR_PRIO_ENABLED(chk->sinfo.sinfo_flags) || chk->sinfo.sinfo_timetolive <= sinfo->sinfo_timetolive) continue; list_del_init(&chk->list); + q->out_qlen -= chk->skb->len; asoc->sent_cnt_removable--; asoc->abandoned_unsent[SCTP_PR_INDEX(PRIO)]++; @@ -431,9 +432,7 @@ void sctp_prsctp_prune(struct sctp_association *asoc, return; } - sctp_prsctp_prune_unsent(asoc, sinfo, - &asoc->outqueue.out_chunk_list, - msg_len); + sctp_prsctp_prune_unsent(asoc, sinfo, msg_len); } /* Mark all the eligible packets on a transport for retransmission. */ @@ -1027,8 +1026,7 @@ static void sctp_outq_flush(struct sctp_outq *q, int rtx_timeout, gfp_t gfp) /* RFC 2960 6.5 Every DATA chunk MUST carry a valid * stream identifier. */ - if (chunk->sinfo.sinfo_stream >= - asoc->c.sinit_num_ostreams) { + if (chunk->sinfo.sinfo_stream >= asoc->stream->outcnt) { /* Mark as failed send. */ sctp_chunk_fail(chunk, SCTP_ERROR_INV_STRM); diff --git a/net/sctp/proc.c b/net/sctp/proc.c index 206377f..a0b29d4 100644 --- a/net/sctp/proc.c +++ b/net/sctp/proc.c @@ -361,8 +361,8 @@ static int sctp_assocs_seq_show(struct seq_file *seq, void *v) sctp_seq_dump_remote_addrs(seq, assoc); seq_printf(seq, "\t%8lu %5d %5d %4d %4d %4d %8d " "%8d %8d %8d %8d", - assoc->hbinterval, assoc->c.sinit_max_instreams, - assoc->c.sinit_num_ostreams, assoc->max_retrans, + assoc->hbinterval, assoc->stream->incnt, + assoc->stream->outcnt, assoc->max_retrans, assoc->init_retries, assoc->shutdown_retries, assoc->rtx_data_chunks, atomic_read(&sk->sk_wmem_alloc), diff --git a/net/sctp/protocol.c b/net/sctp/protocol.c index 1b6d457..989a900 100644 --- a/net/sctp/protocol.c +++ b/net/sctp/protocol.c @@ -575,10 +575,11 @@ static int sctp_v4_is_ce(const struct sk_buff *skb) /* Create and initialize a new sk for the socket returned by accept(). */ static struct sock *sctp_v4_create_accept_sk(struct sock *sk, - struct sctp_association *asoc) + struct sctp_association *asoc, + bool kern) { struct sock *newsk = sk_alloc(sock_net(sk), PF_INET, GFP_KERNEL, - sk->sk_prot, 0); + sk->sk_prot, kern); struct inet_sock *newinet; if (!newsk) diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c index 969a30c..118faff 100644 --- a/net/sctp/sm_make_chunk.c +++ b/net/sctp/sm_make_chunk.c @@ -2460,15 +2460,10 @@ int sctp_process_init(struct sctp_association *asoc, struct sctp_chunk *chunk, * association. */ if (!asoc->temp) { - int error; - - asoc->stream = sctp_stream_new(asoc->c.sinit_max_instreams, - asoc->c.sinit_num_ostreams, gfp); - if (!asoc->stream) + if (sctp_stream_init(asoc, gfp)) goto clean_up; - error = sctp_assoc_set_id(asoc, gfp); - if (error) + if (sctp_assoc_set_id(asoc, gfp)) goto clean_up; } diff --git a/net/sctp/sm_statefuns.c b/net/sctp/sm_statefuns.c index e03bb1a..24c6ccc 100644 --- a/net/sctp/sm_statefuns.c +++ b/net/sctp/sm_statefuns.c @@ -3946,7 +3946,7 @@ sctp_disposition_t sctp_sf_eat_fwd_tsn(struct net *net, /* Silently discard the chunk if stream-id is not valid */ sctp_walk_fwdtsn(skip, chunk) { - if (ntohs(skip->stream) >= asoc->c.sinit_max_instreams) + if (ntohs(skip->stream) >= asoc->stream->incnt) goto discard_noforce; } @@ -4017,7 +4017,7 @@ sctp_disposition_t sctp_sf_eat_fwd_tsn_fast( /* Silently discard the chunk if stream-id is not valid */ sctp_walk_fwdtsn(skip, chunk) { - if (ntohs(skip->stream) >= asoc->c.sinit_max_instreams) + if (ntohs(skip->stream) >= asoc->stream->incnt) goto gen_shutdown; } @@ -6353,7 +6353,7 @@ static int sctp_eat_data(const struct sctp_association *asoc, * and discard the DATA chunk. */ sid = ntohs(data_hdr->stream); - if (sid >= asoc->c.sinit_max_instreams) { + if (sid >= asoc->stream->incnt) { /* Mark tsn as received even though we drop it */ sctp_add_cmd_sf(commands, SCTP_CMD_REPORT_TSN, SCTP_U32(tsn)); diff --git a/net/sctp/socket.c b/net/sctp/socket.c index 6f0a9be..d9d4c92 100644 --- a/net/sctp/socket.c +++ b/net/sctp/socket.c @@ -1907,7 +1907,7 @@ static int sctp_sendmsg(struct sock *sk, struct msghdr *msg, size_t msg_len) } if (asoc->pmtu_pending) - sctp_assoc_pending_pmtu(sk, asoc); + sctp_assoc_pending_pmtu(asoc); /* If fragmentation is disabled and the message length exceeds the * association fragmentation point, return EMSGSIZE. The I-D @@ -1920,7 +1920,7 @@ static int sctp_sendmsg(struct sock *sk, struct msghdr *msg, size_t msg_len) } /* Check for invalid stream. */ - if (sinfo->sinfo_stream >= asoc->c.sinit_num_ostreams) { + if (sinfo->sinfo_stream >= asoc->stream->outcnt) { err = -EINVAL; goto out_free; } @@ -1965,7 +1965,7 @@ static int sctp_sendmsg(struct sock *sk, struct msghdr *msg, size_t msg_len) err = PTR_ERR(datamsg); goto out_free; } - datamsg->force_delay = !!(msg->msg_flags & MSG_MORE); + asoc->force_delay = !!(msg->msg_flags & MSG_MORE); /* Now send the (possibly) fragmented message. */ list_for_each_entry(chunk, &datamsg->chunks, frag_list) { @@ -2435,7 +2435,7 @@ static int sctp_apply_peer_addr_params(struct sctp_paddrparams *params, if ((params->spp_flags & SPP_PMTUD_DISABLE) && params->spp_pathmtu) { if (trans) { trans->pathmtu = params->spp_pathmtu; - sctp_assoc_sync_pmtu(sctp_opt2sk(sp), asoc); + sctp_assoc_sync_pmtu(asoc); } else if (asoc) { asoc->pathmtu = params->spp_pathmtu; } else { @@ -2451,7 +2451,7 @@ static int sctp_apply_peer_addr_params(struct sctp_paddrparams *params, (trans->param_flags & ~SPP_PMTUD) | pmtud_change; if (update) { sctp_transport_pmtu(trans, sctp_opt2sk(sp)); - sctp_assoc_sync_pmtu(sctp_opt2sk(sp), asoc); + sctp_assoc_sync_pmtu(asoc); } } else if (asoc) { asoc->param_flags = @@ -4116,7 +4116,7 @@ static int sctp_disconnect(struct sock *sk, int flags) * descriptor will be returned from accept() to represent the newly * formed association. */ -static struct sock *sctp_accept(struct sock *sk, int flags, int *err) +static struct sock *sctp_accept(struct sock *sk, int flags, int *err, bool kern) { struct sctp_sock *sp; struct sctp_endpoint *ep; @@ -4151,7 +4151,7 @@ static struct sock *sctp_accept(struct sock *sk, int flags, int *err) */ asoc = list_entry(ep->asocs.next, struct sctp_association, asocs); - newsk = sp->pf->create_accept_sk(sk, asoc); + newsk = sp->pf->create_accept_sk(sk, asoc, kern); if (!newsk) { error = -ENOMEM; goto out; @@ -4461,8 +4461,8 @@ int sctp_get_sctp_info(struct sock *sk, struct sctp_association *asoc, info->sctpi_rwnd = asoc->a_rwnd; info->sctpi_unackdata = asoc->unack_data; info->sctpi_penddata = sctp_tsnmap_pending(&asoc->peer.tsn_map); - info->sctpi_instrms = asoc->c.sinit_max_instreams; - info->sctpi_outstrms = asoc->c.sinit_num_ostreams; + info->sctpi_instrms = asoc->stream->incnt; + info->sctpi_outstrms = asoc->stream->outcnt; list_for_each(pos, &asoc->base.inqueue.in_chunk_list) info->sctpi_inqueue++; list_for_each(pos, &asoc->outqueue.out_chunk_list) @@ -4691,8 +4691,8 @@ static int sctp_getsockopt_sctp_status(struct sock *sk, int len, status.sstat_unackdata = asoc->unack_data; status.sstat_penddata = sctp_tsnmap_pending(&asoc->peer.tsn_map); - status.sstat_instrms = asoc->c.sinit_max_instreams; - status.sstat_outstrms = asoc->c.sinit_num_ostreams; + status.sstat_instrms = asoc->stream->incnt; + status.sstat_outstrms = asoc->stream->outcnt; status.sstat_fragmentation_point = asoc->frag_point; status.sstat_primary.spinfo_assoc_id = sctp_assoc2id(transport->asoc); memcpy(&status.sstat_primary.spinfo_address, &transport->ipaddr, @@ -7034,6 +7034,9 @@ int sctp_inet_listen(struct socket *sock, int backlog) if (sock->state != SS_UNCONNECTED) goto out; + if (!sctp_sstate(sk, LISTENING) && !sctp_sstate(sk, CLOSED)) + goto out; + /* If backlog is zero, disable listening. */ if (!backlog) { if (sctp_sstate(sk, CLOSED)) diff --git a/net/sctp/stream.c b/net/sctp/stream.c index 1c6cc04..bbed997 100644 --- a/net/sctp/stream.c +++ b/net/sctp/stream.c @@ -35,33 +35,60 @@ #include <net/sctp/sctp.h> #include <net/sctp/sm.h> -struct sctp_stream *sctp_stream_new(__u16 incnt, __u16 outcnt, gfp_t gfp) +int sctp_stream_new(struct sctp_association *asoc, gfp_t gfp) { struct sctp_stream *stream; int i; stream = kzalloc(sizeof(*stream), gfp); if (!stream) - return NULL; + return -ENOMEM; - stream->outcnt = outcnt; + stream->outcnt = asoc->c.sinit_num_ostreams; stream->out = kcalloc(stream->outcnt, sizeof(*stream->out), gfp); if (!stream->out) { kfree(stream); - return NULL; + return -ENOMEM; } for (i = 0; i < stream->outcnt; i++) stream->out[i].state = SCTP_STREAM_OPEN; - stream->incnt = incnt; + asoc->stream = stream; + + return 0; +} + +int sctp_stream_init(struct sctp_association *asoc, gfp_t gfp) +{ + struct sctp_stream *stream = asoc->stream; + int i; + + /* Initial stream->out size may be very big, so free it and alloc + * a new one with new outcnt to save memory. + */ + kfree(stream->out); + stream->outcnt = asoc->c.sinit_num_ostreams; + stream->out = kcalloc(stream->outcnt, sizeof(*stream->out), gfp); + if (!stream->out) + goto nomem; + + for (i = 0; i < stream->outcnt; i++) + stream->out[i].state = SCTP_STREAM_OPEN; + + stream->incnt = asoc->c.sinit_max_instreams; stream->in = kcalloc(stream->incnt, sizeof(*stream->in), gfp); if (!stream->in) { kfree(stream->out); - kfree(stream); - return NULL; + goto nomem; } - return stream; + return 0; + +nomem: + asoc->stream = NULL; + kfree(stream); + + return -ENOMEM; } void sctp_stream_free(struct sctp_stream *stream) diff --git a/net/sctp/transport.c b/net/sctp/transport.c index 3379668..721eeeb 100644 --- a/net/sctp/transport.c +++ b/net/sctp/transport.c @@ -251,14 +251,13 @@ void sctp_transport_pmtu(struct sctp_transport *transport, struct sock *sk) transport->pathmtu = SCTP_DEFAULT_MAXSEGMENT; } -void sctp_transport_update_pmtu(struct sock *sk, struct sctp_transport *t, u32 pmtu) +void sctp_transport_update_pmtu(struct sctp_transport *t, u32 pmtu) { - struct dst_entry *dst; + struct dst_entry *dst = sctp_transport_dst_check(t); if (unlikely(pmtu < SCTP_DEFAULT_MINSEGMENT)) { pr_warn("%s: Reported pmtu %d too low, using default minimum of %d\n", - __func__, pmtu, - SCTP_DEFAULT_MINSEGMENT); + __func__, pmtu, SCTP_DEFAULT_MINSEGMENT); /* Use default minimum segment size and disable * pmtu discovery on this transport. */ @@ -267,17 +266,13 @@ void sctp_transport_update_pmtu(struct sock *sk, struct sctp_transport *t, u32 p t->pathmtu = pmtu; } - dst = sctp_transport_dst_check(t); - if (!dst) - t->af_specific->get_dst(t, &t->saddr, &t->fl, sk); - if (dst) { - dst->ops->update_pmtu(dst, sk, NULL, pmtu); - + dst->ops->update_pmtu(dst, t->asoc->base.sk, NULL, pmtu); dst = sctp_transport_dst_check(t); - if (!dst) - t->af_specific->get_dst(t, &t->saddr, &t->fl, sk); } + + if (!dst) + t->af_specific->get_dst(t, &t->saddr, &t->fl, t->asoc->base.sk); } /* Caches the dst entry and source address for a transport's destination diff --git a/net/smc/af_smc.c b/net/smc/af_smc.c index 85837ab..0938037 100644 --- a/net/smc/af_smc.c +++ b/net/smc/af_smc.c @@ -944,7 +944,7 @@ out: } static int smc_accept(struct socket *sock, struct socket *new_sock, - int flags) + int flags, bool kern) { struct sock *sk = sock->sk, *nsk; DECLARE_WAITQUEUE(wait, current); diff --git a/net/socket.c b/net/socket.c index 2c1e867..985ef06 100644 --- a/net/socket.c +++ b/net/socket.c @@ -652,6 +652,16 @@ int kernel_sendmsg(struct socket *sock, struct msghdr *msg, } EXPORT_SYMBOL(kernel_sendmsg); +static bool skb_is_err_queue(const struct sk_buff *skb) +{ + /* pkt_type of skbs enqueued on the error queue are set to + * PACKET_OUTGOING in skb_set_err_queue(). This is only safe to do + * in recvmsg, since skbs received on a local socket will never + * have a pkt_type of PACKET_OUTGOING. + */ + return skb->pkt_type == PACKET_OUTGOING; +} + /* * called from sock_recv_timestamp() if sock_flag(sk, SOCK_RCVTSTAMP) */ @@ -695,7 +705,8 @@ void __sock_recv_timestamp(struct msghdr *msg, struct sock *sk, put_cmsg(msg, SOL_SOCKET, SCM_TIMESTAMPING, sizeof(tss), &tss); - if (skb->len && (sk->sk_tsflags & SOF_TIMESTAMPING_OPT_STATS)) + if (skb_is_err_queue(skb) && skb->len && + SKB_EXT_ERR(skb)->opt_stats) put_cmsg(msg, SOL_SOCKET, SCM_TIMESTAMPING_OPT_STATS, skb->len, skb->data); } @@ -1506,7 +1517,7 @@ SYSCALL_DEFINE4(accept4, int, fd, struct sockaddr __user *, upeer_sockaddr, if (err) goto out_fd; - err = sock->ops->accept(sock, newsock, sock->file->f_flags); + err = sock->ops->accept(sock, newsock, sock->file->f_flags, false); if (err < 0) goto out_fd; @@ -1731,6 +1742,7 @@ SYSCALL_DEFINE6(recvfrom, int, fd, void __user *, ubuf, size_t, size, /* We assume all kernel code knows the size of sockaddr_storage */ msg.msg_namelen = 0; msg.msg_iocb = NULL; + msg.msg_flags = 0; if (sock->file->f_flags & O_NONBLOCK) flags |= MSG_DONTWAIT; err = sock_recvmsg(sock, &msg, flags); @@ -3238,7 +3250,7 @@ int kernel_accept(struct socket *sock, struct socket **newsock, int flags) if (err < 0) goto done; - err = sock->ops->accept(sock, *newsock, flags); + err = sock->ops->accept(sock, *newsock, flags, true); if (err < 0) { sock_release(*newsock); *newsock = NULL; diff --git a/net/sunrpc/svcsock.c b/net/sunrpc/svcsock.c index 8931e33..2b720fa 100644 --- a/net/sunrpc/svcsock.c +++ b/net/sunrpc/svcsock.c @@ -1635,6 +1635,7 @@ static struct svc_xprt *svc_bc_create_socket(struct svc_serv *serv, xprt = &svsk->sk_xprt; svc_xprt_init(net, &svc_tcp_bc_class, xprt, serv); + set_bit(XPT_CONG_CTRL, &svsk->sk_xprt.xpt_flags); serv->sv_bc_xprt = xprt; diff --git a/net/sunrpc/xprtrdma/svc_rdma_transport.c b/net/sunrpc/xprtrdma/svc_rdma_transport.c index c13a5c3..fc8f14c 100644 --- a/net/sunrpc/xprtrdma/svc_rdma_transport.c +++ b/net/sunrpc/xprtrdma/svc_rdma_transport.c @@ -127,6 +127,7 @@ static struct svc_xprt *svc_rdma_bc_create(struct svc_serv *serv, xprt = &cma_xprt->sc_xprt; svc_xprt_init(net, &svc_rdma_bc_class, xprt, serv); + set_bit(XPT_CONG_CTRL, &xprt->xpt_flags); serv->sv_bc_xprt = xprt; dprintk("svcrdma: %s(%p)\n", __func__, xprt); diff --git a/net/sunrpc/xprtrdma/verbs.c b/net/sunrpc/xprtrdma/verbs.c index 81cd31a..3b332b3 100644 --- a/net/sunrpc/xprtrdma/verbs.c +++ b/net/sunrpc/xprtrdma/verbs.c @@ -503,7 +503,8 @@ rpcrdma_ep_create(struct rpcrdma_ep *ep, struct rpcrdma_ia *ia, struct ib_cq *sendcq, *recvcq; int rc; - max_sge = min(ia->ri_device->attrs.max_sge, RPCRDMA_MAX_SEND_SGES); + max_sge = min_t(unsigned int, ia->ri_device->attrs.max_sge, + RPCRDMA_MAX_SEND_SGES); if (max_sge < RPCRDMA_MIN_SEND_SGES) { pr_warn("rpcrdma: HCA provides only %d send SGEs\n", max_sge); return -ENOMEM; diff --git a/net/tipc/socket.c b/net/tipc/socket.c index 43e4045..7130e73 100644 --- a/net/tipc/socket.c +++ b/net/tipc/socket.c @@ -115,7 +115,8 @@ static void tipc_data_ready(struct sock *sk); static void tipc_write_space(struct sock *sk); static void tipc_sock_destruct(struct sock *sk); static int tipc_release(struct socket *sock); -static int tipc_accept(struct socket *sock, struct socket *new_sock, int flags); +static int tipc_accept(struct socket *sock, struct socket *new_sock, int flags, + bool kern); static void tipc_sk_timeout(unsigned long data); static int tipc_sk_publish(struct tipc_sock *tsk, uint scope, struct tipc_name_seq const *seq); @@ -2029,7 +2030,8 @@ static int tipc_wait_for_accept(struct socket *sock, long timeo) * * Returns 0 on success, errno otherwise */ -static int tipc_accept(struct socket *sock, struct socket *new_sock, int flags) +static int tipc_accept(struct socket *sock, struct socket *new_sock, int flags, + bool kern) { struct sock *new_sk, *sk = sock->sk; struct sk_buff *buf; @@ -2051,7 +2053,7 @@ static int tipc_accept(struct socket *sock, struct socket *new_sock, int flags) buf = skb_peek(&sk->sk_receive_queue); - res = tipc_sk_create(sock_net(sock->sk), new_sock, 0, 0); + res = tipc_sk_create(sock_net(sock->sk), new_sock, 0, kern); if (res) goto exit; security_sk_clone(sock->sk, new_sock->sk); diff --git a/net/tipc/subscr.c b/net/tipc/subscr.c index 9d94e65..271cd66 100644 --- a/net/tipc/subscr.c +++ b/net/tipc/subscr.c @@ -141,6 +141,11 @@ void tipc_subscrp_report_overlap(struct tipc_subscription *sub, u32 found_lower, static void tipc_subscrp_timeout(unsigned long data) { struct tipc_subscription *sub = (struct tipc_subscription *)data; + struct tipc_subscriber *subscriber = sub->subscriber; + + spin_lock_bh(&subscriber->lock); + tipc_nametbl_unsubscribe(sub); + spin_unlock_bh(&subscriber->lock); /* Notify subscriber of timeout */ tipc_subscrp_send_event(sub, sub->evt.s.seq.lower, sub->evt.s.seq.upper, @@ -173,7 +178,6 @@ static void tipc_subscrp_kref_release(struct kref *kref) struct tipc_subscriber *subscriber = sub->subscriber; spin_lock_bh(&subscriber->lock); - tipc_nametbl_unsubscribe(sub); list_del(&sub->subscrp_list); atomic_dec(&tn->subscription_count); spin_unlock_bh(&subscriber->lock); @@ -205,6 +209,7 @@ static void tipc_subscrb_subscrp_delete(struct tipc_subscriber *subscriber, if (s && memcmp(s, &sub->evt.s, sizeof(struct tipc_subscr))) continue; + tipc_nametbl_unsubscribe(sub); tipc_subscrp_get(sub); spin_unlock_bh(&subscriber->lock); tipc_subscrp_delete(sub); diff --git a/net/unix/af_unix.c b/net/unix/af_unix.c index ee37b39..928691c 100644 --- a/net/unix/af_unix.c +++ b/net/unix/af_unix.c @@ -636,7 +636,7 @@ static int unix_bind(struct socket *, struct sockaddr *, int); static int unix_stream_connect(struct socket *, struct sockaddr *, int addr_len, int flags); static int unix_socketpair(struct socket *, struct socket *); -static int unix_accept(struct socket *, struct socket *, int); +static int unix_accept(struct socket *, struct socket *, int, bool); static int unix_getname(struct socket *, struct sockaddr *, int *, int); static unsigned int unix_poll(struct file *, struct socket *, poll_table *); static unsigned int unix_dgram_poll(struct file *, struct socket *, @@ -1402,7 +1402,8 @@ static void unix_sock_inherit_flags(const struct socket *old, set_bit(SOCK_PASSSEC, &new->flags); } -static int unix_accept(struct socket *sock, struct socket *newsock, int flags) +static int unix_accept(struct socket *sock, struct socket *newsock, int flags, + bool kern) { struct sock *sk = sock->sk; struct sock *tsk; diff --git a/net/unix/garbage.c b/net/unix/garbage.c index 6a0d485..c36757e 100644 --- a/net/unix/garbage.c +++ b/net/unix/garbage.c @@ -146,6 +146,7 @@ void unix_notinflight(struct user_struct *user, struct file *fp) if (s) { struct unix_sock *u = unix_sk(s); + BUG_ON(!atomic_long_read(&u->inflight)); BUG_ON(list_empty(&u->link)); if (atomic_long_dec_and_test(&u->inflight)) @@ -341,6 +342,14 @@ void unix_gc(void) } list_del(&cursor); + /* Now gc_candidates contains only garbage. Restore original + * inflight counters for these as well, and remove the skbuffs + * which are creating the cycle(s). + */ + skb_queue_head_init(&hitlist); + list_for_each_entry(u, &gc_candidates, link) + scan_children(&u->sk, inc_inflight, &hitlist); + /* not_cycle_list contains those sockets which do not make up a * cycle. Restore these to the inflight list. */ @@ -350,14 +359,6 @@ void unix_gc(void) list_move_tail(&u->link, &gc_inflight_list); } - /* Now gc_candidates contains only garbage. Restore original - * inflight counters for these as well, and remove the skbuffs - * which are creating the cycle(s). - */ - skb_queue_head_init(&hitlist); - list_for_each_entry(u, &gc_candidates, link) - scan_children(&u->sk, inc_inflight, &hitlist); - spin_unlock(&unix_gc_lock); /* Here we are. Hitlist is filled. Die. */ diff --git a/net/vmw_vsock/af_vsock.c b/net/vmw_vsock/af_vsock.c index 9192ead..6f7f675 100644 --- a/net/vmw_vsock/af_vsock.c +++ b/net/vmw_vsock/af_vsock.c @@ -1102,10 +1102,19 @@ static const struct proto_ops vsock_dgram_ops = { .sendpage = sock_no_sendpage, }; +static int vsock_transport_cancel_pkt(struct vsock_sock *vsk) +{ + if (!transport->cancel_pkt) + return -EOPNOTSUPP; + + return transport->cancel_pkt(vsk); +} + static void vsock_connect_timeout(struct work_struct *work) { struct sock *sk; struct vsock_sock *vsk; + int cancel = 0; vsk = container_of(work, struct vsock_sock, dwork.work); sk = sk_vsock(vsk); @@ -1116,8 +1125,11 @@ static void vsock_connect_timeout(struct work_struct *work) sk->sk_state = SS_UNCONNECTED; sk->sk_err = ETIMEDOUT; sk->sk_error_report(sk); + cancel = 1; } release_sock(sk); + if (cancel) + vsock_transport_cancel_pkt(vsk); sock_put(sk); } @@ -1224,11 +1236,13 @@ static int vsock_stream_connect(struct socket *sock, struct sockaddr *addr, err = sock_intr_errno(timeout); sk->sk_state = SS_UNCONNECTED; sock->state = SS_UNCONNECTED; + vsock_transport_cancel_pkt(vsk); goto out_wait; } else if (timeout == 0) { err = -ETIMEDOUT; sk->sk_state = SS_UNCONNECTED; sock->state = SS_UNCONNECTED; + vsock_transport_cancel_pkt(vsk); goto out_wait; } @@ -1250,7 +1264,8 @@ out: return err; } -static int vsock_accept(struct socket *sock, struct socket *newsock, int flags) +static int vsock_accept(struct socket *sock, struct socket *newsock, int flags, + bool kern) { struct sock *listener; int err; diff --git a/net/vmw_vsock/virtio_transport.c b/net/vmw_vsock/virtio_transport.c index 9d24c0e..68675a1 100644 --- a/net/vmw_vsock/virtio_transport.c +++ b/net/vmw_vsock/virtio_transport.c @@ -213,6 +213,47 @@ virtio_transport_send_pkt(struct virtio_vsock_pkt *pkt) return len; } +static int +virtio_transport_cancel_pkt(struct vsock_sock *vsk) +{ + struct virtio_vsock *vsock; + struct virtio_vsock_pkt *pkt, *n; + int cnt = 0; + LIST_HEAD(freeme); + + vsock = virtio_vsock_get(); + if (!vsock) { + return -ENODEV; + } + + spin_lock_bh(&vsock->send_pkt_list_lock); + list_for_each_entry_safe(pkt, n, &vsock->send_pkt_list, list) { + if (pkt->vsk != vsk) + continue; + list_move(&pkt->list, &freeme); + } + spin_unlock_bh(&vsock->send_pkt_list_lock); + + list_for_each_entry_safe(pkt, n, &freeme, list) { + if (pkt->reply) + cnt++; + list_del(&pkt->list); + virtio_transport_free_pkt(pkt); + } + + if (cnt) { + struct virtqueue *rx_vq = vsock->vqs[VSOCK_VQ_RX]; + int new_cnt; + + new_cnt = atomic_sub_return(cnt, &vsock->queued_replies); + if (new_cnt + cnt >= virtqueue_get_vring_size(rx_vq) && + new_cnt < virtqueue_get_vring_size(rx_vq)) + queue_work(virtio_vsock_workqueue, &vsock->rx_work); + } + + return 0; +} + static void virtio_vsock_rx_fill(struct virtio_vsock *vsock) { int buf_len = VIRTIO_VSOCK_DEFAULT_RX_BUF_SIZE; @@ -462,6 +503,7 @@ static struct virtio_transport virtio_transport = { .release = virtio_transport_release, .connect = virtio_transport_connect, .shutdown = virtio_transport_shutdown, + .cancel_pkt = virtio_transport_cancel_pkt, .dgram_bind = virtio_transport_dgram_bind, .dgram_dequeue = virtio_transport_dgram_dequeue, diff --git a/net/vmw_vsock/virtio_transport_common.c b/net/vmw_vsock/virtio_transport_common.c index 8d592a4..af087b4 100644 --- a/net/vmw_vsock/virtio_transport_common.c +++ b/net/vmw_vsock/virtio_transport_common.c @@ -58,6 +58,7 @@ virtio_transport_alloc_pkt(struct virtio_vsock_pkt_info *info, pkt->len = len; pkt->hdr.len = cpu_to_le32(len); pkt->reply = info->reply; + pkt->vsk = info->vsk; if (info->msg && len > 0) { pkt->buf = kmalloc(len, GFP_KERNEL); @@ -180,6 +181,7 @@ static int virtio_transport_send_credit_update(struct vsock_sock *vsk, struct virtio_vsock_pkt_info info = { .op = VIRTIO_VSOCK_OP_CREDIT_UPDATE, .type = type, + .vsk = vsk, }; return virtio_transport_send_pkt_info(vsk, &info); @@ -519,6 +521,7 @@ int virtio_transport_connect(struct vsock_sock *vsk) struct virtio_vsock_pkt_info info = { .op = VIRTIO_VSOCK_OP_REQUEST, .type = VIRTIO_VSOCK_TYPE_STREAM, + .vsk = vsk, }; return virtio_transport_send_pkt_info(vsk, &info); @@ -534,6 +537,7 @@ int virtio_transport_shutdown(struct vsock_sock *vsk, int mode) VIRTIO_VSOCK_SHUTDOWN_RCV : 0) | (mode & SEND_SHUTDOWN ? VIRTIO_VSOCK_SHUTDOWN_SEND : 0), + .vsk = vsk, }; return virtio_transport_send_pkt_info(vsk, &info); @@ -560,6 +564,7 @@ virtio_transport_stream_enqueue(struct vsock_sock *vsk, .type = VIRTIO_VSOCK_TYPE_STREAM, .msg = msg, .pkt_len = len, + .vsk = vsk, }; return virtio_transport_send_pkt_info(vsk, &info); @@ -581,6 +586,7 @@ static int virtio_transport_reset(struct vsock_sock *vsk, .op = VIRTIO_VSOCK_OP_RST, .type = VIRTIO_VSOCK_TYPE_STREAM, .reply = !!pkt, + .vsk = vsk, }; /* Send RST only if the original pkt is not a RST pkt */ @@ -826,6 +832,7 @@ virtio_transport_send_response(struct vsock_sock *vsk, .remote_cid = le64_to_cpu(pkt->hdr.src_cid), .remote_port = le32_to_cpu(pkt->hdr.src_port), .reply = true, + .vsk = vsk, }; return virtio_transport_send_pkt_info(vsk, &info); diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index d7f8be4..2312dc2 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -545,22 +545,18 @@ static int nl80211_prepare_wdev_dump(struct sk_buff *skb, { int err; - rtnl_lock(); - if (!cb->args[0]) { err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize, genl_family_attrbuf(&nl80211_fam), nl80211_fam.maxattr, nl80211_policy); if (err) - goto out_unlock; + return err; *wdev = __cfg80211_wdev_from_attrs( sock_net(skb->sk), genl_family_attrbuf(&nl80211_fam)); - if (IS_ERR(*wdev)) { - err = PTR_ERR(*wdev); - goto out_unlock; - } + if (IS_ERR(*wdev)) + return PTR_ERR(*wdev); *rdev = wiphy_to_rdev((*wdev)->wiphy); /* 0 is the first index - add 1 to parse only once */ cb->args[0] = (*rdev)->wiphy_idx + 1; @@ -570,10 +566,8 @@ static int nl80211_prepare_wdev_dump(struct sk_buff *skb, struct wiphy *wiphy = wiphy_idx_to_wiphy(cb->args[0] - 1); struct wireless_dev *tmp; - if (!wiphy) { - err = -ENODEV; - goto out_unlock; - } + if (!wiphy) + return -ENODEV; *rdev = wiphy_to_rdev(wiphy); *wdev = NULL; @@ -584,21 +578,11 @@ static int nl80211_prepare_wdev_dump(struct sk_buff *skb, } } - if (!*wdev) { - err = -ENODEV; - goto out_unlock; - } + if (!*wdev) + return -ENODEV; } return 0; - out_unlock: - rtnl_unlock(); - return err; -} - -static void nl80211_finish_wdev_dump(struct cfg80211_registered_device *rdev) -{ - rtnl_unlock(); } /* IE validation */ @@ -2608,17 +2592,17 @@ static int nl80211_dump_interface(struct sk_buff *skb, struct netlink_callback * int filter_wiphy = -1; struct cfg80211_registered_device *rdev; struct wireless_dev *wdev; + int ret; rtnl_lock(); if (!cb->args[2]) { struct nl80211_dump_wiphy_state state = { .filter_wiphy = -1, }; - int ret; ret = nl80211_dump_wiphy_parse(skb, cb, &state); if (ret) - return ret; + goto out_unlock; filter_wiphy = state.filter_wiphy; @@ -2663,12 +2647,14 @@ static int nl80211_dump_interface(struct sk_buff *skb, struct netlink_callback * wp_idx++; } out: - rtnl_unlock(); - cb->args[0] = wp_idx; cb->args[1] = if_idx; - return skb->len; + ret = skb->len; + out_unlock: + rtnl_unlock(); + + return ret; } static int nl80211_get_interface(struct sk_buff *skb, struct genl_info *info) @@ -4452,9 +4438,10 @@ static int nl80211_dump_station(struct sk_buff *skb, int sta_idx = cb->args[2]; int err; + rtnl_lock(); err = nl80211_prepare_wdev_dump(skb, cb, &rdev, &wdev); if (err) - return err; + goto out_err; if (!wdev->netdev) { err = -EINVAL; @@ -4489,7 +4476,7 @@ static int nl80211_dump_station(struct sk_buff *skb, cb->args[2] = sta_idx; err = skb->len; out_err: - nl80211_finish_wdev_dump(rdev); + rtnl_unlock(); return err; } @@ -5275,9 +5262,10 @@ static int nl80211_dump_mpath(struct sk_buff *skb, int path_idx = cb->args[2]; int err; + rtnl_lock(); err = nl80211_prepare_wdev_dump(skb, cb, &rdev, &wdev); if (err) - return err; + goto out_err; if (!rdev->ops->dump_mpath) { err = -EOPNOTSUPP; @@ -5310,7 +5298,7 @@ static int nl80211_dump_mpath(struct sk_buff *skb, cb->args[2] = path_idx; err = skb->len; out_err: - nl80211_finish_wdev_dump(rdev); + rtnl_unlock(); return err; } @@ -5470,9 +5458,10 @@ static int nl80211_dump_mpp(struct sk_buff *skb, int path_idx = cb->args[2]; int err; + rtnl_lock(); err = nl80211_prepare_wdev_dump(skb, cb, &rdev, &wdev); if (err) - return err; + goto out_err; if (!rdev->ops->dump_mpp) { err = -EOPNOTSUPP; @@ -5505,7 +5494,7 @@ static int nl80211_dump_mpp(struct sk_buff *skb, cb->args[2] = path_idx; err = skb->len; out_err: - nl80211_finish_wdev_dump(rdev); + rtnl_unlock(); return err; } @@ -7674,9 +7663,12 @@ static int nl80211_dump_scan(struct sk_buff *skb, struct netlink_callback *cb) int start = cb->args[2], idx = 0; int err; + rtnl_lock(); err = nl80211_prepare_wdev_dump(skb, cb, &rdev, &wdev); - if (err) + if (err) { + rtnl_unlock(); return err; + } wdev_lock(wdev); spin_lock_bh(&rdev->bss_lock); @@ -7699,7 +7691,7 @@ static int nl80211_dump_scan(struct sk_buff *skb, struct netlink_callback *cb) wdev_unlock(wdev); cb->args[2] = idx; - nl80211_finish_wdev_dump(rdev); + rtnl_unlock(); return skb->len; } @@ -7784,9 +7776,10 @@ static int nl80211_dump_survey(struct sk_buff *skb, struct netlink_callback *cb) int res; bool radio_stats; + rtnl_lock(); res = nl80211_prepare_wdev_dump(skb, cb, &rdev, &wdev); if (res) - return res; + goto out_err; /* prepare_wdev_dump parsed the attributes */ radio_stats = attrbuf[NL80211_ATTR_SURVEY_RADIO_STATS]; @@ -7827,7 +7820,7 @@ static int nl80211_dump_survey(struct sk_buff *skb, struct netlink_callback *cb) cb->args[2] = survey_idx; res = skb->len; out_err: - nl80211_finish_wdev_dump(rdev); + rtnl_unlock(); return res; } @@ -11508,17 +11501,13 @@ static int nl80211_prepare_vendor_dump(struct sk_buff *skb, void *data = NULL; unsigned int data_len = 0; - rtnl_lock(); - if (cb->args[0]) { /* subtract the 1 again here */ struct wiphy *wiphy = wiphy_idx_to_wiphy(cb->args[0] - 1); struct wireless_dev *tmp; - if (!wiphy) { - err = -ENODEV; - goto out_unlock; - } + if (!wiphy) + return -ENODEV; *rdev = wiphy_to_rdev(wiphy); *wdev = NULL; @@ -11538,23 +11527,19 @@ static int nl80211_prepare_vendor_dump(struct sk_buff *skb, err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize, attrbuf, nl80211_fam.maxattr, nl80211_policy); if (err) - goto out_unlock; + return err; if (!attrbuf[NL80211_ATTR_VENDOR_ID] || - !attrbuf[NL80211_ATTR_VENDOR_SUBCMD]) { - err = -EINVAL; - goto out_unlock; - } + !attrbuf[NL80211_ATTR_VENDOR_SUBCMD]) + return -EINVAL; *wdev = __cfg80211_wdev_from_attrs(sock_net(skb->sk), attrbuf); if (IS_ERR(*wdev)) *wdev = NULL; *rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk), attrbuf); - if (IS_ERR(*rdev)) { - err = PTR_ERR(*rdev); - goto out_unlock; - } + if (IS_ERR(*rdev)) + return PTR_ERR(*rdev); vid = nla_get_u32(attrbuf[NL80211_ATTR_VENDOR_ID]); subcmd = nla_get_u32(attrbuf[NL80211_ATTR_VENDOR_SUBCMD]); @@ -11567,19 +11552,15 @@ static int nl80211_prepare_vendor_dump(struct sk_buff *skb, if (vcmd->info.vendor_id != vid || vcmd->info.subcmd != subcmd) continue; - if (!vcmd->dumpit) { - err = -EOPNOTSUPP; - goto out_unlock; - } + if (!vcmd->dumpit) + return -EOPNOTSUPP; vcmd_idx = i; break; } - if (vcmd_idx < 0) { - err = -EOPNOTSUPP; - goto out_unlock; - } + if (vcmd_idx < 0) + return -EOPNOTSUPP; if (attrbuf[NL80211_ATTR_VENDOR_DATA]) { data = nla_data(attrbuf[NL80211_ATTR_VENDOR_DATA]); @@ -11596,9 +11577,6 @@ static int nl80211_prepare_vendor_dump(struct sk_buff *skb, /* keep rtnl locked in successful case */ return 0; - out_unlock: - rtnl_unlock(); - return err; } static int nl80211_vendor_cmd_dump(struct sk_buff *skb, @@ -11613,9 +11591,10 @@ static int nl80211_vendor_cmd_dump(struct sk_buff *skb, int err; struct nlattr *vendor_data; + rtnl_lock(); err = nl80211_prepare_vendor_dump(skb, cb, &rdev, &wdev); if (err) - return err; + goto out; vcmd_idx = cb->args[2]; data = (void *)cb->args[3]; @@ -11624,15 +11603,21 @@ static int nl80211_vendor_cmd_dump(struct sk_buff *skb, if (vcmd->flags & (WIPHY_VENDOR_CMD_NEED_WDEV | WIPHY_VENDOR_CMD_NEED_NETDEV)) { - if (!wdev) - return -EINVAL; + if (!wdev) { + err = -EINVAL; + goto out; + } if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_NETDEV && - !wdev->netdev) - return -EINVAL; + !wdev->netdev) { + err = -EINVAL; + goto out; + } if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_RUNNING) { - if (!wdev_running(wdev)) - return -ENETDOWN; + if (!wdev_running(wdev)) { + err = -ENETDOWN; + goto out; + } } } diff --git a/net/wireless/sysfs.c b/net/wireless/sysfs.c index 16b6b59..570a2b6 100644 --- a/net/wireless/sysfs.c +++ b/net/wireless/sysfs.c @@ -132,12 +132,10 @@ static int wiphy_resume(struct device *dev) /* Age scan results with time spent in suspend */ cfg80211_bss_age(rdev, get_seconds() - rdev->suspend_at); - if (rdev->ops->resume) { - rtnl_lock(); - if (rdev->wiphy.registered) - ret = rdev_resume(rdev); - rtnl_unlock(); - } + rtnl_lock(); + if (rdev->wiphy.registered && rdev->ops->resume) + ret = rdev_resume(rdev); + rtnl_unlock(); return ret; } diff --git a/net/x25/af_x25.c b/net/x25/af_x25.c index fd28a49..8b911c2 100644 --- a/net/x25/af_x25.c +++ b/net/x25/af_x25.c @@ -852,7 +852,8 @@ static int x25_wait_for_data(struct sock *sk, long timeout) return rc; } -static int x25_accept(struct socket *sock, struct socket *newsock, int flags) +static int x25_accept(struct socket *sock, struct socket *newsock, int flags, + bool kern) { struct sock *sk = sock->sk; struct sock *newsk; diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c index 0806dcc..236cbbc 100644 --- a/net/xfrm/xfrm_policy.c +++ b/net/xfrm/xfrm_policy.c @@ -1243,7 +1243,7 @@ static inline int policy_to_flow_dir(int dir) } static struct xfrm_policy *xfrm_sk_policy_lookup(const struct sock *sk, int dir, - const struct flowi *fl) + const struct flowi *fl, u16 family) { struct xfrm_policy *pol; @@ -1251,8 +1251,7 @@ static struct xfrm_policy *xfrm_sk_policy_lookup(const struct sock *sk, int dir, again: pol = rcu_dereference(sk->sk_policy[dir]); if (pol != NULL) { - bool match = xfrm_selector_match(&pol->selector, fl, - sk->sk_family); + bool match = xfrm_selector_match(&pol->selector, fl, family); int err = 0; if (match) { @@ -2239,7 +2238,7 @@ struct dst_entry *xfrm_lookup(struct net *net, struct dst_entry *dst_orig, sk = sk_const_to_full_sk(sk); if (sk && sk->sk_policy[XFRM_POLICY_OUT]) { num_pols = 1; - pols[0] = xfrm_sk_policy_lookup(sk, XFRM_POLICY_OUT, fl); + pols[0] = xfrm_sk_policy_lookup(sk, XFRM_POLICY_OUT, fl, family); err = xfrm_expand_policies(fl, family, pols, &num_pols, &num_xfrms); if (err < 0) @@ -2518,7 +2517,7 @@ int __xfrm_policy_check(struct sock *sk, int dir, struct sk_buff *skb, pol = NULL; sk = sk_to_full_sk(sk); if (sk && sk->sk_policy[dir]) { - pol = xfrm_sk_policy_lookup(sk, dir, &fl); + pol = xfrm_sk_policy_lookup(sk, dir, &fl, family); if (IS_ERR(pol)) { XFRM_INC_STATS(net, LINUX_MIB_XFRMINPOLERROR); return 0; @@ -3069,6 +3068,11 @@ static int __net_init xfrm_net_init(struct net *net) { int rv; + /* Initialize the per-net locks here */ + spin_lock_init(&net->xfrm.xfrm_state_lock); + spin_lock_init(&net->xfrm.xfrm_policy_lock); + mutex_init(&net->xfrm.xfrm_cfg_mutex); + rv = xfrm_statistics_init(net); if (rv < 0) goto out_statistics; @@ -3085,11 +3089,6 @@ static int __net_init xfrm_net_init(struct net *net) if (rv < 0) goto out; - /* Initialize the per-net locks here */ - spin_lock_init(&net->xfrm.xfrm_state_lock); - spin_lock_init(&net->xfrm.xfrm_policy_lock); - mutex_init(&net->xfrm.xfrm_cfg_mutex); - return 0; out: diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c index 9705c27..40a8aa3 100644 --- a/net/xfrm/xfrm_user.c +++ b/net/xfrm/xfrm_user.c @@ -412,7 +412,14 @@ static inline int xfrm_replay_verify_len(struct xfrm_replay_state_esn *replay_es up = nla_data(rp); ulen = xfrm_replay_state_esn_len(up); - if (nla_len(rp) < ulen || xfrm_replay_state_esn_len(replay_esn) != ulen) + /* Check the overall length and the internal bitmap length to avoid + * potential overflow. */ + if (nla_len(rp) < ulen || + xfrm_replay_state_esn_len(replay_esn) != ulen || + replay_esn->bmp_len != up->bmp_len) + return -EINVAL; + + if (up->replay_window > up->bmp_len * sizeof(__u32) * 8) return -EINVAL; return 0; diff --git a/samples/statx/test-statx.c b/samples/statx/test-statx.c index 8571d76..d4d77b09 100644 --- a/samples/statx/test-statx.c +++ b/samples/statx/test-statx.c @@ -141,8 +141,8 @@ static void dump_statx(struct statx *stx) if (stx->stx_mask & STATX_BTIME) print_time(" Birth: ", &stx->stx_btime); - if (stx->stx_attributes) { - unsigned char bits; + if (stx->stx_attributes_mask) { + unsigned char bits, mbits; int loop, byte; static char attr_representation[64 + 1] = @@ -160,14 +160,18 @@ static void dump_statx(struct statx *stx) printf("Attributes: %016llx (", stx->stx_attributes); for (byte = 64 - 8; byte >= 0; byte -= 8) { bits = stx->stx_attributes >> byte; + mbits = stx->stx_attributes_mask >> byte; for (loop = 7; loop >= 0; loop--) { int bit = byte + loop; - if (bits & 0x80) + if (!(mbits & 0x80)) + putchar('.'); /* Not supported */ + else if (bits & 0x80) putchar(attr_representation[63 - bit]); else - putchar('-'); + putchar('-'); /* Not set */ bits <<= 1; + mbits <<= 1; } if (byte) putchar(' '); diff --git a/scripts/Kbuild.include b/scripts/Kbuild.include index d6ca649..afe3fd3 100644 --- a/scripts/Kbuild.include +++ b/scripts/Kbuild.include @@ -148,6 +148,10 @@ cc-fullversion = $(shell $(CONFIG_SHELL) \ # Usage: EXTRA_CFLAGS += $(call cc-ifversion, -lt, 0402, -O1) cc-ifversion = $(shell [ $(cc-version) $(1) $(2) ] && echo $(3) || echo $(4)) +# cc-if-fullversion +# Usage: EXTRA_CFLAGS += $(call cc-if-fullversion, -lt, 040502, -O1) +cc-if-fullversion = $(shell [ $(cc-fullversion) $(1) $(2) ] && echo $(3) || echo $(4)) + # cc-ldoption # Usage: ldflags += $(call cc-ldoption, -Wl$(comma)--hash-style=both) cc-ldoption = $(call try-run,\ diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib index 0a07f90..7234e61 100644 --- a/scripts/Makefile.lib +++ b/scripts/Makefile.lib @@ -155,7 +155,7 @@ else # $(call addtree,-I$(obj)) locates .h files in srctree, from generated .c files # and locates generated .h files # FIXME: Replace both with specific CFLAGS* statements in the makefiles -__c_flags = $(if $(obj),-I$(srctree)/$(src) -I$(obj)) \ +__c_flags = $(if $(obj),$(call addtree,-I$(src)) -I$(obj)) \ $(call flags,_c_flags) __a_flags = $(call flags,_a_flags) __cpp_flags = $(call flags,_cpp_flags) diff --git a/scripts/kconfig/gconf.c b/scripts/kconfig/gconf.c index 26d208b..cfddddb 100644 --- a/scripts/kconfig/gconf.c +++ b/scripts/kconfig/gconf.c @@ -914,7 +914,7 @@ on_treeview2_button_press_event(GtkWidget * widget, current = menu; display_tree_part(); gtk_widget_set_sensitive(back_btn, TRUE); - } else if ((col == COL_OPTION)) { + } else if (col == COL_OPTION) { toggle_sym_value(menu); gtk_tree_view_expand_row(view, path, TRUE); } diff --git a/sound/core/seq/seq_clientmgr.c b/sound/core/seq/seq_clientmgr.c index 4c93520..f3b1d7f 100644 --- a/sound/core/seq/seq_clientmgr.c +++ b/sound/core/seq/seq_clientmgr.c @@ -1832,6 +1832,7 @@ static int snd_seq_ioctl_set_client_pool(struct snd_seq_client *client, info->output_pool != client->pool->size)) { if (snd_seq_write_pool_allocated(client)) { /* remove all existing cells */ + snd_seq_pool_mark_closing(client->pool); snd_seq_queue_client_leave_cells(client->number); snd_seq_pool_done(client->pool); } diff --git a/sound/core/seq/seq_fifo.c b/sound/core/seq/seq_fifo.c index 448efd4..01c4cfe 100644 --- a/sound/core/seq/seq_fifo.c +++ b/sound/core/seq/seq_fifo.c @@ -72,6 +72,9 @@ void snd_seq_fifo_delete(struct snd_seq_fifo **fifo) return; *fifo = NULL; + if (f->pool) + snd_seq_pool_mark_closing(f->pool); + snd_seq_fifo_clear(f); /* wake up clients if any */ @@ -264,6 +267,10 @@ int snd_seq_fifo_resize(struct snd_seq_fifo *f, int poolsize) /* NOTE: overflow flag is not cleared */ spin_unlock_irqrestore(&f->lock, flags); + /* close the old pool and wait until all users are gone */ + snd_seq_pool_mark_closing(oldpool); + snd_use_lock_sync(&f->use_lock); + /* release cells in old pool */ for (cell = oldhead; cell; cell = next) { next = cell->next; diff --git a/sound/core/seq/seq_memory.c b/sound/core/seq/seq_memory.c index 1a1acf3..d4c61ec 100644 --- a/sound/core/seq/seq_memory.c +++ b/sound/core/seq/seq_memory.c @@ -415,6 +415,18 @@ int snd_seq_pool_init(struct snd_seq_pool *pool) return 0; } +/* refuse the further insertion to the pool */ +void snd_seq_pool_mark_closing(struct snd_seq_pool *pool) +{ + unsigned long flags; + + if (snd_BUG_ON(!pool)) + return; + spin_lock_irqsave(&pool->lock, flags); + pool->closing = 1; + spin_unlock_irqrestore(&pool->lock, flags); +} + /* remove events */ int snd_seq_pool_done(struct snd_seq_pool *pool) { @@ -425,10 +437,6 @@ int snd_seq_pool_done(struct snd_seq_pool *pool) return -EINVAL; /* wait for closing all threads */ - spin_lock_irqsave(&pool->lock, flags); - pool->closing = 1; - spin_unlock_irqrestore(&pool->lock, flags); - if (waitqueue_active(&pool->output_sleep)) wake_up(&pool->output_sleep); @@ -485,6 +493,7 @@ int snd_seq_pool_delete(struct snd_seq_pool **ppool) *ppool = NULL; if (pool == NULL) return 0; + snd_seq_pool_mark_closing(pool); snd_seq_pool_done(pool); kfree(pool); return 0; diff --git a/sound/core/seq/seq_memory.h b/sound/core/seq/seq_memory.h index 4a2ec77..32f959c 100644 --- a/sound/core/seq/seq_memory.h +++ b/sound/core/seq/seq_memory.h @@ -84,6 +84,7 @@ static inline int snd_seq_total_cells(struct snd_seq_pool *pool) int snd_seq_pool_init(struct snd_seq_pool *pool); /* done pool - free events */ +void snd_seq_pool_mark_closing(struct snd_seq_pool *pool); int snd_seq_pool_done(struct snd_seq_pool *pool); /* create pool */ diff --git a/sound/pci/ctxfi/cthw20k1.c b/sound/pci/ctxfi/cthw20k1.c index ab4cdab..79edd88 100644 --- a/sound/pci/ctxfi/cthw20k1.c +++ b/sound/pci/ctxfi/cthw20k1.c @@ -1905,7 +1905,7 @@ static int hw_card_start(struct hw *hw) return err; /* Set DMA transfer mask */ - if (dma_set_mask(&pci->dev, DMA_BIT_MASK(dma_bits))) { + if (!dma_set_mask(&pci->dev, DMA_BIT_MASK(dma_bits))) { dma_set_coherent_mask(&pci->dev, DMA_BIT_MASK(dma_bits)); } else { dma_set_mask(&pci->dev, DMA_BIT_MASK(32)); diff --git a/sound/pci/hda/patch_conexant.c b/sound/pci/hda/patch_conexant.c index c15c51b..69266b8 100644 --- a/sound/pci/hda/patch_conexant.c +++ b/sound/pci/hda/patch_conexant.c @@ -261,6 +261,7 @@ enum { CXT_FIXUP_HP_530, CXT_FIXUP_CAP_MIX_AMP_5047, CXT_FIXUP_MUTE_LED_EAPD, + CXT_FIXUP_HP_DOCK, CXT_FIXUP_HP_SPECTRE, CXT_FIXUP_HP_GATE_MIC, }; @@ -778,6 +779,14 @@ static const struct hda_fixup cxt_fixups[] = { .type = HDA_FIXUP_FUNC, .v.func = cxt_fixup_mute_led_eapd, }, + [CXT_FIXUP_HP_DOCK] = { + .type = HDA_FIXUP_PINS, + .v.pins = (const struct hda_pintbl[]) { + { 0x16, 0x21011020 }, /* line-out */ + { 0x18, 0x2181103f }, /* line-in */ + { } + } + }, [CXT_FIXUP_HP_SPECTRE] = { .type = HDA_FIXUP_PINS, .v.pins = (const struct hda_pintbl[]) { @@ -839,6 +848,7 @@ static const struct snd_pci_quirk cxt5066_fixups[] = { SND_PCI_QUIRK(0x1025, 0x0543, "Acer Aspire One 522", CXT_FIXUP_STEREO_DMIC), SND_PCI_QUIRK(0x1025, 0x054c, "Acer Aspire 3830TG", CXT_FIXUP_ASPIRE_DMIC), SND_PCI_QUIRK(0x1025, 0x054f, "Acer Aspire 4830T", CXT_FIXUP_ASPIRE_DMIC), + SND_PCI_QUIRK(0x103c, 0x8079, "HP EliteBook 840 G3", CXT_FIXUP_HP_DOCK), SND_PCI_QUIRK(0x103c, 0x8174, "HP Spectre x360", CXT_FIXUP_HP_SPECTRE), SND_PCI_QUIRK(0x103c, 0x8115, "HP Z1 Gen3", CXT_FIXUP_HP_GATE_MIC), SND_PCI_QUIRK(0x1043, 0x138d, "Asus", CXT_FIXUP_HEADPHONE_MIC_PIN), @@ -871,6 +881,7 @@ static const struct hda_model_fixup cxt5066_fixup_models[] = { { .id = CXT_PINCFG_LEMOTE_A1205, .name = "lemote-a1205" }, { .id = CXT_FIXUP_OLPC_XO, .name = "olpc-xo" }, { .id = CXT_FIXUP_MUTE_LED_EAPD, .name = "mute-led-eapd" }, + { .id = CXT_FIXUP_HP_DOCK, .name = "hp-dock" }, {} }; diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index 4e11222..299835d 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -4847,6 +4847,7 @@ enum { ALC286_FIXUP_HP_GPIO_LED, ALC280_FIXUP_HP_GPIO2_MIC_HOTKEY, ALC280_FIXUP_HP_DOCK_PINS, + ALC269_FIXUP_HP_DOCK_GPIO_MIC1_LED, ALC280_FIXUP_HP_9480M, ALC288_FIXUP_DELL_HEADSET_MODE, ALC288_FIXUP_DELL1_MIC_NO_PRESENCE, @@ -4857,6 +4858,7 @@ enum { ALC292_FIXUP_DISABLE_AAMIX, ALC293_FIXUP_DISABLE_AAMIX_MULTIJACK, ALC298_FIXUP_DELL1_MIC_NO_PRESENCE, + ALC298_FIXUP_DELL_AIO_MIC_NO_PRESENCE, ALC275_FIXUP_DELL_XPS, ALC256_FIXUP_DELL_XPS_13_HEADPHONE_NOISE, ALC293_FIXUP_LENOVO_SPK_NOISE, @@ -5388,6 +5390,16 @@ static const struct hda_fixup alc269_fixups[] = { .chained = true, .chain_id = ALC280_FIXUP_HP_GPIO4 }, + [ALC269_FIXUP_HP_DOCK_GPIO_MIC1_LED] = { + .type = HDA_FIXUP_PINS, + .v.pins = (const struct hda_pintbl[]) { + { 0x1b, 0x21011020 }, /* line-out */ + { 0x18, 0x2181103f }, /* line-in */ + { }, + }, + .chained = true, + .chain_id = ALC269_FIXUP_HP_GPIO_MIC1_LED + }, [ALC280_FIXUP_HP_9480M] = { .type = HDA_FIXUP_FUNC, .v.func = alc280_fixup_hp_9480m, @@ -5459,6 +5471,15 @@ static const struct hda_fixup alc269_fixups[] = { .chained = true, .chain_id = ALC269_FIXUP_HEADSET_MODE }, + [ALC298_FIXUP_DELL_AIO_MIC_NO_PRESENCE] = { + .type = HDA_FIXUP_PINS, + .v.pins = (const struct hda_pintbl[]) { + { 0x18, 0x01a1913c }, /* use as headset mic, without its own jack detect */ + { } + }, + .chained = true, + .chain_id = ALC269_FIXUP_HEADSET_MODE + }, [ALC275_FIXUP_DELL_XPS] = { .type = HDA_FIXUP_VERBS, .v.verbs = (const struct hda_verb[]) { @@ -5531,7 +5552,7 @@ static const struct hda_fixup alc269_fixups[] = { .type = HDA_FIXUP_FUNC, .v.func = alc298_fixup_speaker_volume, .chained = true, - .chain_id = ALC298_FIXUP_DELL1_MIC_NO_PRESENCE, + .chain_id = ALC298_FIXUP_DELL_AIO_MIC_NO_PRESENCE, }, [ALC256_FIXUP_DELL_INSPIRON_7559_SUBWOOFER] = { .type = HDA_FIXUP_PINS, @@ -5647,7 +5668,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = { SND_PCI_QUIRK(0x103c, 0x2256, "HP", ALC269_FIXUP_HP_GPIO_MIC1_LED), SND_PCI_QUIRK(0x103c, 0x2257, "HP", ALC269_FIXUP_HP_GPIO_MIC1_LED), SND_PCI_QUIRK(0x103c, 0x2259, "HP", ALC269_FIXUP_HP_GPIO_MIC1_LED), - SND_PCI_QUIRK(0x103c, 0x225a, "HP", ALC269_FIXUP_HP_GPIO_MIC1_LED), + SND_PCI_QUIRK(0x103c, 0x225a, "HP", ALC269_FIXUP_HP_DOCK_GPIO_MIC1_LED), SND_PCI_QUIRK(0x103c, 0x2260, "HP", ALC269_FIXUP_HP_MUTE_LED_MIC1), SND_PCI_QUIRK(0x103c, 0x2263, "HP", ALC269_FIXUP_HP_MUTE_LED_MIC1), SND_PCI_QUIRK(0x103c, 0x2264, "HP", ALC269_FIXUP_HP_MUTE_LED_MIC1), @@ -5816,6 +5837,7 @@ static const struct hda_model_fixup alc269_fixup_models[] = { {.id = ALC269_FIXUP_HEADSET_MODE_NO_HP_MIC, .name = "headset-mode-no-hp-mic"}, {.id = ALC269_FIXUP_LENOVO_DOCK, .name = "lenovo-dock"}, {.id = ALC269_FIXUP_HP_GPIO_LED, .name = "hp-gpio-led"}, + {.id = ALC269_FIXUP_HP_DOCK_GPIO_MIC1_LED, .name = "hp-dock-gpio-mic1-led"}, {.id = ALC269_FIXUP_DELL1_MIC_NO_PRESENCE, .name = "dell-headset-multi"}, {.id = ALC269_FIXUP_DELL2_MIC_NO_PRESENCE, .name = "dell-headset-dock"}, {.id = ALC283_FIXUP_CHROME_BOOK, .name = "alc283-dac-wcaps"}, @@ -6090,6 +6112,8 @@ static const struct snd_hda_pin_quirk alc269_pin_fixup_tbl[] = { ALC295_STANDARD_PINS, {0x17, 0x21014040}, {0x18, 0x21a19050}), + SND_HDA_PIN_QUIRK(0x10ec0295, 0x1028, "Dell", ALC269_FIXUP_DELL1_MIC_NO_PRESENCE, + ALC295_STANDARD_PINS), SND_HDA_PIN_QUIRK(0x10ec0298, 0x1028, "Dell", ALC298_FIXUP_DELL1_MIC_NO_PRESENCE, ALC298_STANDARD_PINS, {0x17, 0x90170110}), diff --git a/sound/soc/atmel/atmel-classd.c b/sound/soc/atmel/atmel-classd.c index 89ac5f5..7ae46c2 100644 --- a/sound/soc/atmel/atmel-classd.c +++ b/sound/soc/atmel/atmel-classd.c @@ -349,7 +349,7 @@ static int atmel_classd_codec_dai_digital_mute(struct snd_soc_dai *codec_dai, } #define CLASSD_ACLK_RATE_11M2896_MPY_8 (112896 * 100 * 8) -#define CLASSD_ACLK_RATE_12M288_MPY_8 (12228 * 1000 * 8) +#define CLASSD_ACLK_RATE_12M288_MPY_8 (12288 * 1000 * 8) static struct { int rate; diff --git a/sound/soc/codecs/hdac_hdmi.c b/sound/soc/codecs/hdac_hdmi.c index 78fca8a..fd272a4 100644 --- a/sound/soc/codecs/hdac_hdmi.c +++ b/sound/soc/codecs/hdac_hdmi.c @@ -1534,21 +1534,20 @@ static void hdac_hdmi_eld_notify_cb(void *aptr, int port, int pipe) pin->mst_capable = false; /* if not MST, default is port[0] */ hport = &pin->ports[0]; - goto out; } else { for (i = 0; i < pin->num_ports; i++) { pin->mst_capable = true; if (pin->ports[i].id == pipe) { hport = &pin->ports[i]; - goto out; + break; } } } + + if (hport) + hdac_hdmi_present_sense(pin, hport); } -out: - if (pin && hport) - hdac_hdmi_present_sense(pin, hport); } static struct i915_audio_component_audio_ops aops = { @@ -1998,7 +1997,7 @@ static int hdac_hdmi_dev_remove(struct hdac_ext_device *edev) struct hdac_hdmi_pin *pin, *pin_next; struct hdac_hdmi_cvt *cvt, *cvt_next; struct hdac_hdmi_pcm *pcm, *pcm_next; - struct hdac_hdmi_port *port; + struct hdac_hdmi_port *port, *port_next; int i; snd_soc_unregister_codec(&edev->hdac.dev); @@ -2008,8 +2007,9 @@ static int hdac_hdmi_dev_remove(struct hdac_ext_device *edev) if (list_empty(&pcm->port_list)) continue; - list_for_each_entry(port, &pcm->port_list, head) - port = NULL; + list_for_each_entry_safe(port, port_next, + &pcm->port_list, head) + list_del(&port->head); list_del(&pcm->head); kfree(pcm); diff --git a/sound/soc/codecs/rt5665.c b/sound/soc/codecs/rt5665.c index 324461e..476135e 100644 --- a/sound/soc/codecs/rt5665.c +++ b/sound/soc/codecs/rt5665.c @@ -1241,7 +1241,7 @@ static irqreturn_t rt5665_irq(int irq, void *data) static void rt5665_jd_check_handler(struct work_struct *work) { struct rt5665_priv *rt5665 = container_of(work, struct rt5665_priv, - calibrate_work.work); + jd_check_work.work); if (snd_soc_read(rt5665->codec, RT5665_AJD1_CTRL) & 0x0010) { /* jack out */ @@ -2252,7 +2252,7 @@ static const char * const rt5665_if2_1_adc_in_src[] = { static const SOC_ENUM_SINGLE_DECL( rt5665_if2_1_adc_in_enum, RT5665_DIG_INF2_DATA, - RT5665_IF3_ADC_IN_SFT, rt5665_if2_1_adc_in_src); + RT5665_IF2_1_ADC_IN_SFT, rt5665_if2_1_adc_in_src); static const struct snd_kcontrol_new rt5665_if2_1_adc_in_mux = SOC_DAPM_ENUM("IF2_1 ADC IN Source", rt5665_if2_1_adc_in_enum); @@ -3178,6 +3178,9 @@ static const struct snd_soc_dapm_route rt5665_dapm_routes[] = { {"DAC Mono Right Filter", NULL, "DAC Mono R ASRC", is_using_asrc}, {"DAC Stereo1 Filter", NULL, "DAC STO1 ASRC", is_using_asrc}, {"DAC Stereo2 Filter", NULL, "DAC STO2 ASRC", is_using_asrc}, + {"I2S1 ASRC", NULL, "CLKDET"}, + {"I2S2 ASRC", NULL, "CLKDET"}, + {"I2S3 ASRC", NULL, "CLKDET"}, /*Vref*/ {"Mic Det Power", NULL, "Vref2"}, @@ -3912,6 +3915,7 @@ static const struct snd_soc_dapm_route rt5665_dapm_routes[] = { {"Mono MIX", "MONOVOL Switch", "MONOVOL"}, {"Mono Amp", NULL, "Mono MIX"}, {"Mono Amp", NULL, "Vref2"}, + {"Mono Amp", NULL, "Vref3"}, {"Mono Amp", NULL, "CLKDET SYS"}, {"Mono Amp", NULL, "CLKDET MONO"}, {"Mono Playback", "Switch", "Mono Amp"}, @@ -4798,7 +4802,7 @@ static int rt5665_i2c_probe(struct i2c_client *i2c, /* Enhance performance*/ regmap_update_bits(rt5665->regmap, RT5665_PWR_ANLG_1, RT5665_HP_DRIVER_MASK | RT5665_LDO1_DVO_MASK, - RT5665_HP_DRIVER_5X | RT5665_LDO1_DVO_09); + RT5665_HP_DRIVER_5X | RT5665_LDO1_DVO_12); INIT_DELAYED_WORK(&rt5665->jack_detect_work, rt5665_jack_detect_handler); diff --git a/sound/soc/codecs/rt5665.h b/sound/soc/codecs/rt5665.h index 12f7080..a30f5e6 100644 --- a/sound/soc/codecs/rt5665.h +++ b/sound/soc/codecs/rt5665.h @@ -1106,7 +1106,7 @@ #define RT5665_HP_DRIVER_MASK (0x3 << 2) #define RT5665_HP_DRIVER_1X (0x0 << 2) #define RT5665_HP_DRIVER_3X (0x1 << 2) -#define RT5665_HP_DRIVER_5X (0x2 << 2) +#define RT5665_HP_DRIVER_5X (0x3 << 2) #define RT5665_LDO1_DVO_MASK (0x3) #define RT5665_LDO1_DVO_09 (0x0) #define RT5665_LDO1_DVO_10 (0x1) diff --git a/sound/soc/codecs/wm_adsp.c b/sound/soc/codecs/wm_adsp.c index d151224..bbdb72f 100644 --- a/sound/soc/codecs/wm_adsp.c +++ b/sound/soc/codecs/wm_adsp.c @@ -899,7 +899,10 @@ static int wm_coeff_put(struct snd_kcontrol *kctl, mutex_lock(&ctl->dsp->pwr_lock); - memcpy(ctl->cache, p, ctl->len); + if (ctl->flags & WMFW_CTL_FLAG_VOLATILE) + ret = -EPERM; + else + memcpy(ctl->cache, p, ctl->len); ctl->set = 1; if (ctl->enabled && ctl->dsp->running) @@ -926,6 +929,8 @@ static int wm_coeff_tlv_put(struct snd_kcontrol *kctl, ctl->set = 1; if (ctl->enabled && ctl->dsp->running) ret = wm_coeff_write_control(ctl, ctl->cache, size); + else if (ctl->flags & WMFW_CTL_FLAG_VOLATILE) + ret = -EPERM; } mutex_unlock(&ctl->dsp->pwr_lock); @@ -947,7 +952,7 @@ static int wm_coeff_put_acked(struct snd_kcontrol *kctl, mutex_lock(&ctl->dsp->pwr_lock); - if (ctl->enabled) + if (ctl->enabled && ctl->dsp->running) ret = wm_coeff_write_acked_control(ctl, val); else ret = -EPERM; diff --git a/sound/soc/generic/simple-card-utils.c b/sound/soc/generic/simple-card-utils.c index 4924575..343b291 100644 --- a/sound/soc/generic/simple-card-utils.c +++ b/sound/soc/generic/simple-card-utils.c @@ -115,6 +115,7 @@ int asoc_simple_card_parse_clk(struct device *dev, clk = devm_get_clk_from_child(dev, node, NULL); if (!IS_ERR(clk)) { simple_dai->sysclk = clk_get_rate(clk); + simple_dai->clk = clk; } else if (!of_property_read_u32(node, "system-clock-frequency", &val)) { simple_dai->sysclk = val; } else { diff --git a/sound/soc/intel/skylake/skl-topology.c b/sound/soc/intel/skylake/skl-topology.c index ed58b5b..2dbfb1b 100644 --- a/sound/soc/intel/skylake/skl-topology.c +++ b/sound/soc/intel/skylake/skl-topology.c @@ -512,7 +512,7 @@ static int skl_tplg_set_module_init_data(struct snd_soc_dapm_widget *w) if (bc->set_params != SKL_PARAM_INIT) continue; - mconfig->formats_config.caps = (u32 *)&bc->params; + mconfig->formats_config.caps = (u32 *)bc->params; mconfig->formats_config.caps_size = bc->size; break; diff --git a/sound/soc/mediatek/Kconfig b/sound/soc/mediatek/Kconfig index 05cf809..d7013bd 100644 --- a/sound/soc/mediatek/Kconfig +++ b/sound/soc/mediatek/Kconfig @@ -13,7 +13,7 @@ config SND_SOC_MT2701 config SND_SOC_MT2701_CS42448 tristate "ASoc Audio driver for MT2701 with CS42448 codec" - depends on SND_SOC_MT2701 + depends on SND_SOC_MT2701 && I2C select SND_SOC_CS42XX8_I2C select SND_SOC_BT_SCO help diff --git a/sound/soc/sh/rcar/cmd.c b/sound/soc/sh/rcar/cmd.c index abb5eaa..7d92a24 100644 --- a/sound/soc/sh/rcar/cmd.c +++ b/sound/soc/sh/rcar/cmd.c @@ -31,23 +31,24 @@ static int rsnd_cmd_init(struct rsnd_mod *mod, struct rsnd_mod *mix = rsnd_io_to_mod_mix(io); struct device *dev = rsnd_priv_to_dev(priv); u32 data; + u32 path[] = { + [1] = 1 << 0, + [5] = 1 << 8, + [6] = 1 << 12, + [9] = 1 << 15, + }; if (!mix && !dvc) return 0; + if (ARRAY_SIZE(path) < rsnd_mod_id(mod) + 1) + return -ENXIO; + if (mix) { struct rsnd_dai *rdai; struct rsnd_mod *src; struct rsnd_dai_stream *tio; int i; - u32 path[] = { - [0] = 0, - [1] = 1 << 0, - [2] = 0, - [3] = 0, - [4] = 0, - [5] = 1 << 8 - }; /* * it is assuming that integrater is well understanding about @@ -70,16 +71,19 @@ static int rsnd_cmd_init(struct rsnd_mod *mod, } else { struct rsnd_mod *src = rsnd_io_to_mod_src(io); - u32 path[] = { - [0] = 0x30000, - [1] = 0x30001, - [2] = 0x40000, - [3] = 0x10000, - [4] = 0x20000, - [5] = 0x40100 + u8 cmd_case[] = { + [0] = 0x3, + [1] = 0x3, + [2] = 0x4, + [3] = 0x1, + [4] = 0x2, + [5] = 0x4, + [6] = 0x1, + [9] = 0x2, }; - data = path[rsnd_mod_id(src)]; + data = path[rsnd_mod_id(src)] | + cmd_case[rsnd_mod_id(src)] << 16; } dev_dbg(dev, "ctu/mix path = 0x%08x", data); diff --git a/sound/soc/sh/rcar/dma.c b/sound/soc/sh/rcar/dma.c index 1f405c8..241cb3b 100644 --- a/sound/soc/sh/rcar/dma.c +++ b/sound/soc/sh/rcar/dma.c @@ -454,6 +454,20 @@ static u32 rsnd_dmapp_read(struct rsnd_dma *dma, u32 reg) return ioread32(rsnd_dmapp_addr(dmac, dma, reg)); } +static void rsnd_dmapp_bset(struct rsnd_dma *dma, u32 data, u32 mask, u32 reg) +{ + struct rsnd_mod *mod = rsnd_mod_get(dma); + struct rsnd_priv *priv = rsnd_mod_to_priv(mod); + struct rsnd_dma_ctrl *dmac = rsnd_priv_to_dmac(priv); + void __iomem *addr = rsnd_dmapp_addr(dmac, dma, reg); + u32 val = ioread32(addr); + + val &= ~mask; + val |= (data & mask); + + iowrite32(val, addr); +} + static int rsnd_dmapp_stop(struct rsnd_mod *mod, struct rsnd_dai_stream *io, struct rsnd_priv *priv) @@ -461,10 +475,10 @@ static int rsnd_dmapp_stop(struct rsnd_mod *mod, struct rsnd_dma *dma = rsnd_mod_to_dma(mod); int i; - rsnd_dmapp_write(dma, 0, PDMACHCR); + rsnd_dmapp_bset(dma, 0, PDMACHCR_DE, PDMACHCR); for (i = 0; i < 1024; i++) { - if (0 == rsnd_dmapp_read(dma, PDMACHCR)) + if (0 == (rsnd_dmapp_read(dma, PDMACHCR) & PDMACHCR_DE)) return 0; udelay(1); } diff --git a/sound/soc/sh/rcar/ssiu.c b/sound/soc/sh/rcar/ssiu.c index 4e817c8..14fafda 100644 --- a/sound/soc/sh/rcar/ssiu.c +++ b/sound/soc/sh/rcar/ssiu.c @@ -64,7 +64,11 @@ static int rsnd_ssiu_init(struct rsnd_mod *mod, mask1 = (1 << 4) | (1 << 20); /* mask sync bit */ mask2 = (1 << 4); /* mask sync bit */ val1 = val2 = 0; - if (rsnd_ssi_is_pin_sharing(io)) { + if (id == 8) { + /* + * SSI8 pin is sharing with SSI7, nothing to do. + */ + } else if (rsnd_ssi_is_pin_sharing(io)) { int shift = -1; switch (id) { diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c index 6dca408..2722bb0 100644 --- a/sound/soc/soc-core.c +++ b/sound/soc/soc-core.c @@ -3326,7 +3326,10 @@ static int snd_soc_platform_drv_pcm_new(struct snd_soc_pcm_runtime *rtd) { struct snd_soc_platform *platform = rtd->platform; - return platform->driver->pcm_new(rtd); + if (platform->driver->pcm_new) + return platform->driver->pcm_new(rtd); + else + return 0; } static void snd_soc_platform_drv_pcm_free(struct snd_pcm *pcm) @@ -3334,7 +3337,8 @@ static void snd_soc_platform_drv_pcm_free(struct snd_pcm *pcm) struct snd_soc_pcm_runtime *rtd = pcm->private_data; struct snd_soc_platform *platform = rtd->platform; - platform->driver->pcm_free(pcm); + if (platform->driver->pcm_free) + platform->driver->pcm_free(pcm); } /** diff --git a/sound/soc/sti/uniperif_reader.c b/sound/soc/sti/uniperif_reader.c index 5992c6a..93a8df6 100644 --- a/sound/soc/sti/uniperif_reader.c +++ b/sound/soc/sti/uniperif_reader.c @@ -349,6 +349,8 @@ static int uni_reader_startup(struct snd_pcm_substream *substream, struct uniperif *reader = priv->dai_data.uni; int ret; + reader->substream = substream; + if (!UNIPERIF_TYPE_IS_TDM(reader)) return 0; @@ -378,6 +380,7 @@ static void uni_reader_shutdown(struct snd_pcm_substream *substream, /* Stop the reader */ uni_reader_stop(reader); } + reader->substream = NULL; } static const struct snd_soc_dai_ops uni_reader_dai_ops = { diff --git a/sound/soc/sunxi/sun8i-codec.c b/sound/soc/sunxi/sun8i-codec.c index b92bdc8..7527ba2 100644 --- a/sound/soc/sunxi/sun8i-codec.c +++ b/sound/soc/sunxi/sun8i-codec.c @@ -259,25 +259,20 @@ static int sun8i_codec_hw_params(struct snd_pcm_substream *substream, return 0; } -static const struct snd_kcontrol_new sun8i_output_left_mixer_controls[] = { - SOC_DAPM_SINGLE("LSlot 0", SUN8I_DAC_MXR_SRC, - SUN8I_DAC_MXR_SRC_DACL_MXR_SRC_AIF1DA0L, 1, 0), - SOC_DAPM_SINGLE("LSlot 1", SUN8I_DAC_MXR_SRC, - SUN8I_DAC_MXR_SRC_DACL_MXR_SRC_AIF1DA1L, 1, 0), - SOC_DAPM_SINGLE("DACL", SUN8I_DAC_MXR_SRC, - SUN8I_DAC_MXR_SRC_DACL_MXR_SRC_AIF2DACL, 1, 0), - SOC_DAPM_SINGLE("ADCL", SUN8I_DAC_MXR_SRC, - SUN8I_DAC_MXR_SRC_DACL_MXR_SRC_ADCL, 1, 0), -}; - -static const struct snd_kcontrol_new sun8i_output_right_mixer_controls[] = { - SOC_DAPM_SINGLE("RSlot 0", SUN8I_DAC_MXR_SRC, +static const struct snd_kcontrol_new sun8i_dac_mixer_controls[] = { + SOC_DAPM_DOUBLE("AIF1 Slot 0 Digital DAC Playback Switch", + SUN8I_DAC_MXR_SRC, + SUN8I_DAC_MXR_SRC_DACL_MXR_SRC_AIF1DA0L, SUN8I_DAC_MXR_SRC_DACR_MXR_SRC_AIF1DA0R, 1, 0), - SOC_DAPM_SINGLE("RSlot 1", SUN8I_DAC_MXR_SRC, + SOC_DAPM_DOUBLE("AIF1 Slot 1 Digital DAC Playback Switch", + SUN8I_DAC_MXR_SRC, + SUN8I_DAC_MXR_SRC_DACL_MXR_SRC_AIF1DA1L, SUN8I_DAC_MXR_SRC_DACR_MXR_SRC_AIF1DA1R, 1, 0), - SOC_DAPM_SINGLE("DACR", SUN8I_DAC_MXR_SRC, + SOC_DAPM_DOUBLE("AIF2 Digital DAC Playback Switch", SUN8I_DAC_MXR_SRC, + SUN8I_DAC_MXR_SRC_DACL_MXR_SRC_AIF2DACL, SUN8I_DAC_MXR_SRC_DACR_MXR_SRC_AIF2DACR, 1, 0), - SOC_DAPM_SINGLE("ADCR", SUN8I_DAC_MXR_SRC, + SOC_DAPM_DOUBLE("ADC Digital DAC Playback Switch", SUN8I_DAC_MXR_SRC, + SUN8I_DAC_MXR_SRC_DACL_MXR_SRC_ADCL, SUN8I_DAC_MXR_SRC_DACR_MXR_SRC_ADCR, 1, 0), }; @@ -286,19 +281,21 @@ static const struct snd_soc_dapm_widget sun8i_codec_dapm_widgets[] = { SND_SOC_DAPM_SUPPLY("DAC", SUN8I_DAC_DIG_CTRL, SUN8I_DAC_DIG_CTRL_ENDA, 0, NULL, 0), - /* Analog DAC */ - SND_SOC_DAPM_DAC("Digital Left DAC", "Playback", SUN8I_AIF1_DACDAT_CTRL, - SUN8I_AIF1_DACDAT_CTRL_AIF1_DA0L_ENA, 0), - SND_SOC_DAPM_DAC("Digital Right DAC", "Playback", SUN8I_AIF1_DACDAT_CTRL, - SUN8I_AIF1_DACDAT_CTRL_AIF1_DA0R_ENA, 0), + /* Analog DAC AIF */ + SND_SOC_DAPM_AIF_IN("AIF1 Slot 0 Left", "Playback", 0, + SUN8I_AIF1_DACDAT_CTRL, + SUN8I_AIF1_DACDAT_CTRL_AIF1_DA0L_ENA, 0), + SND_SOC_DAPM_AIF_IN("AIF1 Slot 0 Right", "Playback", 0, + SUN8I_AIF1_DACDAT_CTRL, + SUN8I_AIF1_DACDAT_CTRL_AIF1_DA0R_ENA, 0), /* DAC Mixers */ - SND_SOC_DAPM_MIXER("Left DAC Mixer", SND_SOC_NOPM, 0, 0, - sun8i_output_left_mixer_controls, - ARRAY_SIZE(sun8i_output_left_mixer_controls)), - SND_SOC_DAPM_MIXER("Right DAC Mixer", SND_SOC_NOPM, 0, 0, - sun8i_output_right_mixer_controls, - ARRAY_SIZE(sun8i_output_right_mixer_controls)), + SND_SOC_DAPM_MIXER("Left Digital DAC Mixer", SND_SOC_NOPM, 0, 0, + sun8i_dac_mixer_controls, + ARRAY_SIZE(sun8i_dac_mixer_controls)), + SND_SOC_DAPM_MIXER("Right Digital DAC Mixer", SND_SOC_NOPM, 0, 0, + sun8i_dac_mixer_controls, + ARRAY_SIZE(sun8i_dac_mixer_controls)), /* Clocks */ SND_SOC_DAPM_SUPPLY("MODCLK AFI1", SUN8I_MOD_CLK_ENA, @@ -321,8 +318,6 @@ static const struct snd_soc_dapm_widget sun8i_codec_dapm_widgets[] = { SUN8I_MOD_RST_CTL_AIF1, 0, NULL, 0), SND_SOC_DAPM_SUPPLY("RST DAC", SUN8I_MOD_RST_CTL, SUN8I_MOD_RST_CTL_DAC, 0, NULL, 0), - - SND_SOC_DAPM_OUTPUT("HP"), }; static const struct snd_soc_dapm_route sun8i_codec_dapm_routes[] = { @@ -338,16 +333,14 @@ static const struct snd_soc_dapm_route sun8i_codec_dapm_routes[] = { { "DAC", NULL, "MODCLK DAC" }, /* DAC Routes */ - { "Digital Left DAC", NULL, "DAC" }, - { "Digital Right DAC", NULL, "DAC" }, + { "AIF1 Slot 0 Right", NULL, "DAC" }, + { "AIF1 Slot 0 Left", NULL, "DAC" }, /* DAC Mixer Routes */ - { "Left DAC Mixer", "LSlot 0", "Digital Left DAC"}, - { "Right DAC Mixer", "RSlot 0", "Digital Right DAC"}, - - /* End of route : HP out */ - { "HP", NULL, "Left DAC Mixer" }, - { "HP", NULL, "Right DAC Mixer" }, + { "Left Digital DAC Mixer", "AIF1 Slot 0 Digital DAC Playback Switch", + "AIF1 Slot 0 Left"}, + { "Right Digital DAC Mixer", "AIF1 Slot 0 Digital DAC Playback Switch", + "AIF1 Slot 0 Right"}, }; static struct snd_soc_dai_ops sun8i_codec_dai_ops = { diff --git a/sound/x86/Kconfig b/sound/x86/Kconfig index 84c8f8fc..8adf4d1 100644 --- a/sound/x86/Kconfig +++ b/sound/x86/Kconfig @@ -1,6 +1,7 @@ menuconfig SND_X86 - tristate "X86 sound devices" + bool "X86 sound devices" depends on X86 + default y ---help--- X86 sound devices that don't fall under SoC or PCI categories diff --git a/tools/include/linux/filter.h b/tools/include/linux/filter.h index 122153b..390d7c9 100644 --- a/tools/include/linux/filter.h +++ b/tools/include/linux/filter.h @@ -168,6 +168,16 @@ .off = OFF, \ .imm = 0 }) +/* Atomic memory add, *(uint *)(dst_reg + off16) += src_reg */ + +#define BPF_STX_XADD(SIZE, DST, SRC, OFF) \ + ((struct bpf_insn) { \ + .code = BPF_STX | BPF_SIZE(SIZE) | BPF_XADD, \ + .dst_reg = DST, \ + .src_reg = SRC, \ + .off = OFF, \ + .imm = 0 }) + /* Memory store, *(uint *) (dst_reg + off16) = imm32 */ #define BPF_ST_MEM(SIZE, DST, OFF, IMM) \ diff --git a/tools/include/uapi/linux/bpf_perf_event.h b/tools/include/uapi/linux/bpf_perf_event.h new file mode 100644 index 0000000..0674272 --- /dev/null +++ b/tools/include/uapi/linux/bpf_perf_event.h @@ -0,0 +1,18 @@ +/* Copyright (c) 2016 Facebook + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of version 2 of the GNU General Public + * License as published by the Free Software Foundation. + */ +#ifndef _UAPI__LINUX_BPF_PERF_EVENT_H__ +#define _UAPI__LINUX_BPF_PERF_EVENT_H__ + +#include <linux/types.h> +#include <linux/ptrace.h> + +struct bpf_perf_event_data { + struct pt_regs regs; + __u64 sample_period; +}; + +#endif /* _UAPI__LINUX_BPF_PERF_EVENT_H__ */ diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c index 273f21f..7aa5722 100644 --- a/tools/perf/util/annotate.c +++ b/tools/perf/util/annotate.c @@ -130,6 +130,12 @@ static struct arch architectures[] = { .name = "powerpc", .init = powerpc__annotate_init, }, + { + .name = "s390", + .objdump = { + .comment_char = '#', + }, + }, }; static void ins__delete(struct ins_operands *ops) diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c index 70e389b..9b4d8ba 100644 --- a/tools/perf/util/symbol.c +++ b/tools/perf/util/symbol.c @@ -202,7 +202,7 @@ void symbols__fixup_end(struct rb_root *symbols) /* Last entry */ if (curr->end == curr->start) - curr->end = roundup(curr->start, 4096); + curr->end = roundup(curr->start, 4096) + 4096; } void __map_groups__fixup_end(struct map_groups *mg, enum map_type type) diff --git a/tools/power/cpupower/utils/helpers/cpuid.c b/tools/power/cpupower/utils/helpers/cpuid.c index 93b0aa7..39c2c7d 100644 --- a/tools/power/cpupower/utils/helpers/cpuid.c +++ b/tools/power/cpupower/utils/helpers/cpuid.c @@ -156,6 +156,7 @@ out: */ case 0x2C: /* Westmere EP - Gulftown */ cpu_info->caps |= CPUPOWER_CAP_HAS_TURBO_RATIO; + break; case 0x2A: /* SNB */ case 0x2D: /* SNB Xeon */ case 0x3A: /* IVB */ diff --git a/tools/power/x86/turbostat/turbostat.8 b/tools/power/x86/turbostat/turbostat.8 index fedca32..ccf2a69 100644 --- a/tools/power/x86/turbostat/turbostat.8 +++ b/tools/power/x86/turbostat/turbostat.8 @@ -100,6 +100,8 @@ The system configuration dump (if --quiet is not used) is followed by statistics \fBCPU%c1, CPU%c3, CPU%c6, CPU%c7\fP show the percentage residency in hardware core idle states. These numbers are from hardware residency counters. \fBCoreTmp\fP Degrees Celsius reported by the per-core Digital Thermal Sensor. \fBPkgTtmp\fP Degrees Celsius reported by the per-package Package Thermal Monitor. +\fBGFX%rc6\fP The percentage of time the GPU is in the "render C6" state, rc6, during the measurement interval. From /sys/class/drm/card0/power/rc6_residency_ms. +\fBGFXMHz\fP Instantaneous snapshot of what sysfs presents at the end of the measurement interval. From /sys/class/graphics/fb0/device/drm/card0/gt_cur_freq_mhz. \fBPkg%pc2, Pkg%pc3, Pkg%pc6, Pkg%pc7\fP percentage residency in hardware package idle states. These numbers are from hardware residency counters. \fBPkgWatt\fP Watts consumed by the whole package. \fBCorWatt\fP Watts consumed by the core part of the package. diff --git a/tools/power/x86/turbostat/turbostat.c b/tools/power/x86/turbostat/turbostat.c index 828dccd..b112947 100644 --- a/tools/power/x86/turbostat/turbostat.c +++ b/tools/power/x86/turbostat/turbostat.c @@ -1142,7 +1142,7 @@ delta_thread(struct thread_data *new, struct thread_data *old, * it is possible for mperf's non-halted cycles + idle states * to exceed TSC's all cycles: show c1 = 0% in that case. */ - if ((old->mperf + core_delta->c3 + core_delta->c6 + core_delta->c7) > old->tsc) + if ((old->mperf + core_delta->c3 + core_delta->c6 + core_delta->c7) > (old->tsc * tsc_tweak)) old->c1 = 0; else { /* normal case, derive c1 */ @@ -2485,8 +2485,10 @@ int snapshot_gfx_mhz(void) if (fp == NULL) fp = fopen_or_die("/sys/class/graphics/fb0/device/drm/card0/gt_cur_freq_mhz", "r"); - else + else { rewind(fp); + fflush(fp); + } retval = fscanf(fp, "%d", &gfx_cur_mhz); if (retval != 1) @@ -3111,7 +3113,7 @@ int print_hwp(struct thread_data *t, struct core_data *c, struct pkg_data *p) return 0; fprintf(outf, "cpu%d: MSR_HWP_CAPABILITIES: 0x%08llx " - "(high 0x%x guar 0x%x eff 0x%x low 0x%x)\n", + "(high %d guar %d eff %d low %d)\n", cpu, msr, (unsigned int)HWP_HIGHEST_PERF(msr), (unsigned int)HWP_GUARANTEED_PERF(msr), @@ -3122,7 +3124,7 @@ int print_hwp(struct thread_data *t, struct core_data *c, struct pkg_data *p) return 0; fprintf(outf, "cpu%d: MSR_HWP_REQUEST: 0x%08llx " - "(min 0x%x max 0x%x des 0x%x epp 0x%x window 0x%x pkg 0x%x)\n", + "(min %d max %d des %d epp 0x%x window 0x%x pkg 0x%x)\n", cpu, msr, (unsigned int)(((msr) >> 0) & 0xff), (unsigned int)(((msr) >> 8) & 0xff), @@ -3136,7 +3138,7 @@ int print_hwp(struct thread_data *t, struct core_data *c, struct pkg_data *p) return 0; fprintf(outf, "cpu%d: MSR_HWP_REQUEST_PKG: 0x%08llx " - "(min 0x%x max 0x%x des 0x%x epp 0x%x window 0x%x)\n", + "(min %d max %d des %d epp 0x%x window 0x%x)\n", cpu, msr, (unsigned int)(((msr) >> 0) & 0xff), (unsigned int)(((msr) >> 8) & 0xff), @@ -3353,17 +3355,19 @@ void rapl_probe(unsigned int family, unsigned int model) case INTEL_FAM6_SKYLAKE_DESKTOP: /* SKL */ case INTEL_FAM6_KABYLAKE_MOBILE: /* KBL */ case INTEL_FAM6_KABYLAKE_DESKTOP: /* KBL */ - do_rapl = RAPL_PKG | RAPL_DRAM | RAPL_DRAM_PERF_STATUS | RAPL_PKG_PERF_STATUS | RAPL_PKG_POWER_INFO; + do_rapl = RAPL_PKG | RAPL_CORES | RAPL_CORE_POLICY | RAPL_DRAM | RAPL_DRAM_PERF_STATUS | RAPL_PKG_PERF_STATUS | RAPL_GFX | RAPL_PKG_POWER_INFO; BIC_PRESENT(BIC_PKG__); BIC_PRESENT(BIC_RAM__); if (rapl_joules) { BIC_PRESENT(BIC_Pkg_J); BIC_PRESENT(BIC_Cor_J); BIC_PRESENT(BIC_RAM_J); + BIC_PRESENT(BIC_GFX_J); } else { BIC_PRESENT(BIC_PkgWatt); BIC_PRESENT(BIC_CorWatt); BIC_PRESENT(BIC_RAMWatt); + BIC_PRESENT(BIC_GFXWatt); } break; case INTEL_FAM6_HASWELL_X: /* HSX */ @@ -3478,7 +3482,7 @@ void perf_limit_reasons_probe(unsigned int family, unsigned int model) int print_thermal(struct thread_data *t, struct core_data *c, struct pkg_data *p) { unsigned long long msr; - unsigned int dts; + unsigned int dts, dts2; int cpu; if (!(do_dts || do_ptm)) @@ -3503,7 +3507,6 @@ int print_thermal(struct thread_data *t, struct core_data *c, struct pkg_data *p fprintf(outf, "cpu%d: MSR_IA32_PACKAGE_THERM_STATUS: 0x%08llx (%d C)\n", cpu, msr, tcc_activation_temp - dts); -#ifdef THERM_DEBUG if (get_msr(cpu, MSR_IA32_PACKAGE_THERM_INTERRUPT, &msr)) return 0; @@ -3511,11 +3514,10 @@ int print_thermal(struct thread_data *t, struct core_data *c, struct pkg_data *p dts2 = (msr >> 8) & 0x7F; fprintf(outf, "cpu%d: MSR_IA32_PACKAGE_THERM_INTERRUPT: 0x%08llx (%d C, %d C)\n", cpu, msr, tcc_activation_temp - dts, tcc_activation_temp - dts2); -#endif } - if (do_dts) { + if (do_dts && debug) { unsigned int resolution; if (get_msr(cpu, MSR_IA32_THERM_STATUS, &msr)) @@ -3526,7 +3528,6 @@ int print_thermal(struct thread_data *t, struct core_data *c, struct pkg_data *p fprintf(outf, "cpu%d: MSR_IA32_THERM_STATUS: 0x%08llx (%d C +/- %d)\n", cpu, msr, tcc_activation_temp - dts, resolution); -#ifdef THERM_DEBUG if (get_msr(cpu, MSR_IA32_THERM_INTERRUPT, &msr)) return 0; @@ -3534,7 +3535,6 @@ int print_thermal(struct thread_data *t, struct core_data *c, struct pkg_data *p dts2 = (msr >> 8) & 0x7F; fprintf(outf, "cpu%d: MSR_IA32_THERM_INTERRUPT: 0x%08llx (%d C, %d C)\n", cpu, msr, tcc_activation_temp - dts, tcc_activation_temp - dts2); -#endif } return 0; @@ -4578,7 +4578,7 @@ int get_and_dump_counters(void) } void print_version() { - fprintf(outf, "turbostat version 17.02.24" + fprintf(outf, "turbostat version 17.04.12" " - Len Brown <lenb@kernel.org>\n"); } diff --git a/tools/testing/selftests/bpf/Makefile b/tools/testing/selftests/bpf/Makefile index 4b49826..9af09e8 100644 --- a/tools/testing/selftests/bpf/Makefile +++ b/tools/testing/selftests/bpf/Makefile @@ -1,20 +1,30 @@ LIBDIR := ../../../lib -BPFOBJ := $(LIBDIR)/bpf/bpf.o +BPFDIR := $(LIBDIR)/bpf +APIDIR := ../../../include/uapi +GENDIR := ../../../../include/generated +GENHDR := $(GENDIR)/autoconf.h -CFLAGS += -Wall -O2 -lcap -I../../../include/uapi -I$(LIBDIR) +ifneq ($(wildcard $(GENHDR)),) + GENFLAGS := -DHAVE_GENHDR +endif + +CFLAGS += -Wall -O2 -I$(APIDIR) -I$(LIBDIR) -I$(GENDIR) $(GENFLAGS) +LDLIBS += -lcap TEST_GEN_PROGS = test_verifier test_tag test_maps test_lru_map test_lpm_map TEST_PROGS := test_kmod.sh -.PHONY: all clean force +include ../lib.mk + +BPFOBJ := $(OUTPUT)/bpf.o + +$(TEST_GEN_PROGS): $(BPFOBJ) + +.PHONY: force # force a rebuild of BPFOBJ when its dependencies are updated force: $(BPFOBJ): force - $(MAKE) -C $(dir $(BPFOBJ)) - -$(test_objs): $(BPFOBJ) - -include ../lib.mk + $(MAKE) -C $(BPFDIR) OUTPUT=$(OUTPUT)/ diff --git a/tools/testing/selftests/bpf/test_maps.c b/tools/testing/selftests/bpf/test_maps.c index cada17a..a0aa200 100644 --- a/tools/testing/selftests/bpf/test_maps.c +++ b/tools/testing/selftests/bpf/test_maps.c @@ -80,8 +80,9 @@ static void test_hashmap(int task, void *data) assert(bpf_map_update_elem(fd, &key, &value, BPF_EXIST) == 0); key = 2; assert(bpf_map_update_elem(fd, &key, &value, BPF_ANY) == 0); - key = 1; - assert(bpf_map_update_elem(fd, &key, &value, BPF_ANY) == 0); + key = 3; + assert(bpf_map_update_elem(fd, &key, &value, BPF_NOEXIST) == -1 && + errno == E2BIG); /* Check that key = 0 doesn't exist. */ key = 0; @@ -110,6 +111,24 @@ static void test_hashmap(int task, void *data) close(fd); } +static void test_hashmap_sizes(int task, void *data) +{ + int fd, i, j; + + for (i = 1; i <= 512; i <<= 1) + for (j = 1; j <= 1 << 18; j <<= 1) { + fd = bpf_create_map(BPF_MAP_TYPE_HASH, i, j, + 2, map_flags); + if (fd < 0) { + printf("Failed to create hashmap key=%d value=%d '%s'\n", + i, j, strerror(errno)); + exit(1); + } + close(fd); + usleep(10); /* give kernel time to destroy */ + } +} + static void test_hashmap_percpu(int task, void *data) { unsigned int nr_cpus = bpf_num_possible_cpus(); @@ -317,7 +336,10 @@ static void test_arraymap_percpu(int task, void *data) static void test_arraymap_percpu_many_keys(void) { unsigned int nr_cpus = bpf_num_possible_cpus(); - unsigned int nr_keys = 20000; + /* nr_keys is not too large otherwise the test stresses percpu + * allocator more than anything else + */ + unsigned int nr_keys = 2000; long values[nr_cpus]; int key, fd, i; @@ -419,6 +441,7 @@ static void test_map_stress(void) { run_parallel(100, test_hashmap, NULL); run_parallel(100, test_hashmap_percpu, NULL); + run_parallel(100, test_hashmap_sizes, NULL); run_parallel(100, test_arraymap, NULL); run_parallel(100, test_arraymap_percpu, NULL); diff --git a/tools/testing/selftests/bpf/test_verifier.c b/tools/testing/selftests/bpf/test_verifier.c index e1f5b9e..c848e90 100644 --- a/tools/testing/selftests/bpf/test_verifier.c +++ b/tools/testing/selftests/bpf/test_verifier.c @@ -8,6 +8,8 @@ * License as published by the Free Software Foundation. */ +#include <asm/types.h> +#include <linux/types.h> #include <stdint.h> #include <stdio.h> #include <stdlib.h> @@ -28,6 +30,14 @@ #include <bpf/bpf.h> +#ifdef HAVE_GENHDR +# include "autoconf.h" +#else +# if defined(__i386) || defined(__x86_64) || defined(__s390x__) || defined(__aarch64__) +# define CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS 1 +# endif +#endif + #include "../../../include/linux/filter.h" #ifndef ARRAY_SIZE @@ -37,6 +47,8 @@ #define MAX_INSNS 512 #define MAX_FIXUPS 8 +#define F_NEEDS_EFFICIENT_UNALIGNED_ACCESS (1 << 0) + struct bpf_test { const char *descr; struct bpf_insn insns[MAX_INSNS]; @@ -51,6 +63,7 @@ struct bpf_test { REJECT } result, result_unpriv; enum bpf_prog_type prog_type; + uint8_t flags; }; /* Note we want this to be 64 bit aligned so that the end of our array is @@ -2430,6 +2443,30 @@ static struct bpf_test tests[] = { .prog_type = BPF_PROG_TYPE_SCHED_CLS, }, { + "direct packet access: test15 (spill with xadd)", + .insns = { + BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, + offsetof(struct __sk_buff, data)), + BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, + offsetof(struct __sk_buff, data_end)), + BPF_MOV64_REG(BPF_REG_0, BPF_REG_2), + BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8), + BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 8), + BPF_MOV64_IMM(BPF_REG_5, 4096), + BPF_MOV64_REG(BPF_REG_4, BPF_REG_10), + BPF_ALU64_IMM(BPF_ADD, BPF_REG_4, -8), + BPF_STX_MEM(BPF_DW, BPF_REG_4, BPF_REG_2, 0), + BPF_STX_XADD(BPF_DW, BPF_REG_4, BPF_REG_5, 0), + BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_4, 0), + BPF_STX_MEM(BPF_W, BPF_REG_2, BPF_REG_5, 0), + BPF_MOV64_IMM(BPF_REG_0, 0), + BPF_EXIT_INSN(), + }, + .errstr = "R2 invalid mem access 'inv'", + .result = REJECT, + .prog_type = BPF_PROG_TYPE_SCHED_CLS, + }, + { "helper access to packet: test1, valid packet_ptr range", .insns = { BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, @@ -2932,6 +2969,7 @@ static struct bpf_test tests[] = { .errstr_unpriv = "R0 pointer arithmetic prohibited", .result_unpriv = REJECT, .result = ACCEPT, + .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, }, { "valid map access into an array with a variable", @@ -2955,6 +2993,7 @@ static struct bpf_test tests[] = { .errstr_unpriv = "R0 pointer arithmetic prohibited", .result_unpriv = REJECT, .result = ACCEPT, + .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, }, { "valid map access into an array with a signed variable", @@ -2982,6 +3021,7 @@ static struct bpf_test tests[] = { .errstr_unpriv = "R0 pointer arithmetic prohibited", .result_unpriv = REJECT, .result = ACCEPT, + .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, }, { "invalid map access into an array with a constant", @@ -3023,6 +3063,7 @@ static struct bpf_test tests[] = { .errstr = "R0 min value is outside of the array range", .result_unpriv = REJECT, .result = REJECT, + .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, }, { "invalid map access into an array with a variable", @@ -3046,6 +3087,7 @@ static struct bpf_test tests[] = { .errstr = "R0 min value is negative, either use unsigned index or do a if (index >=0) check.", .result_unpriv = REJECT, .result = REJECT, + .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, }, { "invalid map access into an array with no floor check", @@ -3072,6 +3114,7 @@ static struct bpf_test tests[] = { .errstr = "R0 min value is negative, either use unsigned index or do a if (index >=0) check.", .result_unpriv = REJECT, .result = REJECT, + .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, }, { "invalid map access into an array with a invalid max check", @@ -3098,6 +3141,7 @@ static struct bpf_test tests[] = { .errstr = "invalid access to map value, value_size=48 off=44 size=8", .result_unpriv = REJECT, .result = REJECT, + .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, }, { "invalid map access into an array with a invalid max check", @@ -3127,6 +3171,7 @@ static struct bpf_test tests[] = { .errstr = "R0 min value is negative, either use unsigned index or do a if (index >=0) check.", .result_unpriv = REJECT, .result = REJECT, + .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, }, { "multiple registers share map_lookup_elem result", @@ -3250,6 +3295,7 @@ static struct bpf_test tests[] = { .result = REJECT, .errstr_unpriv = "R0 pointer arithmetic prohibited", .result_unpriv = REJECT, + .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, }, { "constant register |= constant should keep constant type", @@ -3416,6 +3462,26 @@ static struct bpf_test tests[] = { .prog_type = BPF_PROG_TYPE_LWT_XMIT, }, { + "overlapping checks for direct packet access", + .insns = { + BPF_LDX_MEM(BPF_W, BPF_REG_2, BPF_REG_1, + offsetof(struct __sk_buff, data)), + BPF_LDX_MEM(BPF_W, BPF_REG_3, BPF_REG_1, + offsetof(struct __sk_buff, data_end)), + BPF_MOV64_REG(BPF_REG_0, BPF_REG_2), + BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 8), + BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_3, 4), + BPF_MOV64_REG(BPF_REG_1, BPF_REG_2), + BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, 6), + BPF_JMP_REG(BPF_JGT, BPF_REG_1, BPF_REG_3, 1), + BPF_LDX_MEM(BPF_H, BPF_REG_0, BPF_REG_2, 6), + BPF_MOV64_IMM(BPF_REG_0, 0), + BPF_EXIT_INSN(), + }, + .result = ACCEPT, + .prog_type = BPF_PROG_TYPE_LWT_XMIT, + }, + { "invalid access of tc_classid for LWT_IN", .insns = { BPF_LDX_MEM(BPF_W, BPF_REG_0, BPF_REG_1, @@ -3959,7 +4025,208 @@ static struct bpf_test tests[] = { .result_unpriv = REJECT, }, { - "map element value (adjusted) is preserved across register spilling", + "map element value or null is marked on register spilling", + .insns = { + BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), + BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), + BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0), + BPF_LD_MAP_FD(BPF_REG_1, 0), + BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem), + BPF_MOV64_REG(BPF_REG_1, BPF_REG_10), + BPF_ALU64_IMM(BPF_ADD, BPF_REG_1, -152), + BPF_STX_MEM(BPF_DW, BPF_REG_1, BPF_REG_0, 0), + BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 2), + BPF_LDX_MEM(BPF_DW, BPF_REG_3, BPF_REG_1, 0), + BPF_ST_MEM(BPF_DW, BPF_REG_3, 0, 42), + BPF_EXIT_INSN(), + }, + .fixup_map2 = { 3 }, + .errstr_unpriv = "R0 leaks addr", + .result = ACCEPT, + .result_unpriv = REJECT, + }, + { + "map element value store of cleared call register", + .insns = { + BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), + BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), + BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0), + BPF_LD_MAP_FD(BPF_REG_1, 0), + BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem), + BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 1), + BPF_STX_MEM(BPF_DW, BPF_REG_0, BPF_REG_1, 0), + BPF_EXIT_INSN(), + }, + .fixup_map2 = { 3 }, + .errstr_unpriv = "R1 !read_ok", + .errstr = "R1 !read_ok", + .result = REJECT, + .result_unpriv = REJECT, + }, + { + "map element value with unaligned store", + .insns = { + BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), + BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), + BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0), + BPF_LD_MAP_FD(BPF_REG_1, 0), + BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem), + BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 17), + BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 3), + BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 42), + BPF_ST_MEM(BPF_DW, BPF_REG_0, 2, 43), + BPF_ST_MEM(BPF_DW, BPF_REG_0, -2, 44), + BPF_MOV64_REG(BPF_REG_8, BPF_REG_0), + BPF_ST_MEM(BPF_DW, BPF_REG_8, 0, 32), + BPF_ST_MEM(BPF_DW, BPF_REG_8, 2, 33), + BPF_ST_MEM(BPF_DW, BPF_REG_8, -2, 34), + BPF_ALU64_IMM(BPF_ADD, BPF_REG_8, 5), + BPF_ST_MEM(BPF_DW, BPF_REG_8, 0, 22), + BPF_ST_MEM(BPF_DW, BPF_REG_8, 4, 23), + BPF_ST_MEM(BPF_DW, BPF_REG_8, -7, 24), + BPF_MOV64_REG(BPF_REG_7, BPF_REG_8), + BPF_ALU64_IMM(BPF_ADD, BPF_REG_7, 3), + BPF_ST_MEM(BPF_DW, BPF_REG_7, 0, 22), + BPF_ST_MEM(BPF_DW, BPF_REG_7, 4, 23), + BPF_ST_MEM(BPF_DW, BPF_REG_7, -4, 24), + BPF_EXIT_INSN(), + }, + .fixup_map2 = { 3 }, + .errstr_unpriv = "R0 pointer arithmetic prohibited", + .result = ACCEPT, + .result_unpriv = REJECT, + .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, + }, + { + "map element value with unaligned load", + .insns = { + BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), + BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), + BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0), + BPF_LD_MAP_FD(BPF_REG_1, 0), + BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem), + BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 11), + BPF_LDX_MEM(BPF_W, BPF_REG_1, BPF_REG_0, 0), + BPF_JMP_IMM(BPF_JGE, BPF_REG_1, MAX_ENTRIES, 9), + BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 3), + BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 0), + BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 2), + BPF_MOV64_REG(BPF_REG_8, BPF_REG_0), + BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_8, 0), + BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_8, 2), + BPF_ALU64_IMM(BPF_ADD, BPF_REG_0, 5), + BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 0), + BPF_LDX_MEM(BPF_DW, BPF_REG_7, BPF_REG_0, 4), + BPF_EXIT_INSN(), + }, + .fixup_map2 = { 3 }, + .errstr_unpriv = "R0 pointer arithmetic prohibited", + .result = ACCEPT, + .result_unpriv = REJECT, + .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, + }, + { + "map element value illegal alu op, 1", + .insns = { + BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), + BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), + BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0), + BPF_LD_MAP_FD(BPF_REG_1, 0), + BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem), + BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 2), + BPF_ALU64_IMM(BPF_AND, BPF_REG_0, 8), + BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 22), + BPF_EXIT_INSN(), + }, + .fixup_map2 = { 3 }, + .errstr_unpriv = "R0 pointer arithmetic prohibited", + .errstr = "invalid mem access 'inv'", + .result = REJECT, + .result_unpriv = REJECT, + }, + { + "map element value illegal alu op, 2", + .insns = { + BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), + BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), + BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0), + BPF_LD_MAP_FD(BPF_REG_1, 0), + BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem), + BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 2), + BPF_ALU32_IMM(BPF_ADD, BPF_REG_0, 0), + BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 22), + BPF_EXIT_INSN(), + }, + .fixup_map2 = { 3 }, + .errstr_unpriv = "R0 pointer arithmetic prohibited", + .errstr = "invalid mem access 'inv'", + .result = REJECT, + .result_unpriv = REJECT, + }, + { + "map element value illegal alu op, 3", + .insns = { + BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), + BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), + BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0), + BPF_LD_MAP_FD(BPF_REG_1, 0), + BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem), + BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 2), + BPF_ALU64_IMM(BPF_DIV, BPF_REG_0, 42), + BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 22), + BPF_EXIT_INSN(), + }, + .fixup_map2 = { 3 }, + .errstr_unpriv = "R0 pointer arithmetic prohibited", + .errstr = "invalid mem access 'inv'", + .result = REJECT, + .result_unpriv = REJECT, + }, + { + "map element value illegal alu op, 4", + .insns = { + BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), + BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), + BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0), + BPF_LD_MAP_FD(BPF_REG_1, 0), + BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem), + BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 2), + BPF_ENDIAN(BPF_FROM_BE, BPF_REG_0, 64), + BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 22), + BPF_EXIT_INSN(), + }, + .fixup_map2 = { 3 }, + .errstr_unpriv = "R0 pointer arithmetic prohibited", + .errstr = "invalid mem access 'inv'", + .result = REJECT, + .result_unpriv = REJECT, + }, + { + "map element value illegal alu op, 5", + .insns = { + BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), + BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), + BPF_ST_MEM(BPF_DW, BPF_REG_2, 0, 0), + BPF_LD_MAP_FD(BPF_REG_1, 0), + BPF_EMIT_CALL(BPF_FUNC_map_lookup_elem), + BPF_JMP_IMM(BPF_JEQ, BPF_REG_0, 0, 7), + BPF_MOV64_IMM(BPF_REG_3, 4096), + BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), + BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), + BPF_STX_MEM(BPF_DW, BPF_REG_2, BPF_REG_0, 0), + BPF_STX_XADD(BPF_DW, BPF_REG_2, BPF_REG_3, 0), + BPF_LDX_MEM(BPF_DW, BPF_REG_0, BPF_REG_2, 0), + BPF_ST_MEM(BPF_DW, BPF_REG_0, 0, 22), + BPF_EXIT_INSN(), + }, + .fixup_map2 = { 3 }, + .errstr_unpriv = "R0 invalid mem access 'inv'", + .errstr = "R0 invalid mem access 'inv'", + .result = REJECT, + .result_unpriv = REJECT, + }, + { + "map element value is preserved across register spilling", .insns = { BPF_MOV64_REG(BPF_REG_2, BPF_REG_10), BPF_ALU64_IMM(BPF_ADD, BPF_REG_2, -8), @@ -3981,6 +4248,7 @@ static struct bpf_test tests[] = { .errstr_unpriv = "R0 pointer arithmetic prohibited", .result = ACCEPT, .result_unpriv = REJECT, + .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, }, { "helper access to variable memory: stack, bitwise AND + JMP, correct bounds", @@ -4419,6 +4687,7 @@ static struct bpf_test tests[] = { .errstr = "R0 min value is negative, either use unsigned index or do a if (index >=0) check.", .result = REJECT, .result_unpriv = REJECT, + .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, }, { "invalid range check", @@ -4450,6 +4719,7 @@ static struct bpf_test tests[] = { .errstr = "R0 min value is negative, either use unsigned index or do a if (index >=0) check.", .result = REJECT, .result_unpriv = REJECT, + .flags = F_NEEDS_EFFICIENT_UNALIGNED_ACCESS, } }; @@ -4528,11 +4798,11 @@ static void do_test_fixup(struct bpf_test *test, struct bpf_insn *prog, static void do_test_single(struct bpf_test *test, bool unpriv, int *passes, int *errors) { + int fd_prog, expected_ret, reject_from_alignment; struct bpf_insn *prog = test->insns; int prog_len = probe_filter_length(prog); int prog_type = test->prog_type; int fd_f1 = -1, fd_f2 = -1, fd_f3 = -1; - int fd_prog, expected_ret; const char *expected_err; do_test_fixup(test, prog, &fd_f1, &fd_f2, &fd_f3); @@ -4545,8 +4815,19 @@ static void do_test_single(struct bpf_test *test, bool unpriv, test->result_unpriv : test->result; expected_err = unpriv && test->errstr_unpriv ? test->errstr_unpriv : test->errstr; + + reject_from_alignment = fd_prog < 0 && + (test->flags & F_NEEDS_EFFICIENT_UNALIGNED_ACCESS) && + strstr(bpf_vlog, "Unknown alignment."); +#ifdef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS + if (reject_from_alignment) { + printf("FAIL\nFailed due to alignment despite having efficient unaligned access: '%s'!\n", + strerror(errno)); + goto fail_log; + } +#endif if (expected_ret == ACCEPT) { - if (fd_prog < 0) { + if (fd_prog < 0 && !reject_from_alignment) { printf("FAIL\nFailed to load prog '%s'!\n", strerror(errno)); goto fail_log; @@ -4556,14 +4837,15 @@ static void do_test_single(struct bpf_test *test, bool unpriv, printf("FAIL\nUnexpected success to load!\n"); goto fail_log; } - if (!strstr(bpf_vlog, expected_err)) { + if (!strstr(bpf_vlog, expected_err) && !reject_from_alignment) { printf("FAIL\nUnexpected error message!\n"); goto fail_log; } } (*passes)++; - printf("OK\n"); + printf("OK%s\n", reject_from_alignment ? + " (NOTE: reject due to unknown alignment)" : ""); close_fds: close(fd_prog); close(fd_f1); @@ -4583,10 +4865,12 @@ static bool is_admin(void) cap_flag_value_t sysadmin = CAP_CLEAR; const cap_value_t cap_val = CAP_SYS_ADMIN; +#ifdef CAP_IS_SUPPORTED if (!CAP_IS_SUPPORTED(CAP_SETFCAP)) { perror("cap_get_flag"); return false; } +#endif caps = cap_get_proc(); if (!caps) { perror("cap_get_proc"); diff --git a/tools/testing/selftests/powerpc/Makefile b/tools/testing/selftests/powerpc/Makefile index 1c5d057..bf13fc2 100644 --- a/tools/testing/selftests/powerpc/Makefile +++ b/tools/testing/selftests/powerpc/Makefile @@ -34,34 +34,34 @@ endif all: $(SUB_DIRS) $(SUB_DIRS): - BUILD_TARGET=$$OUTPUT/$@; mkdir -p $$BUILD_TARGET; $(MAKE) OUTPUT=$$BUILD_TARGET -k -C $@ all + BUILD_TARGET=$(OUTPUT)/$@; mkdir -p $$BUILD_TARGET; $(MAKE) OUTPUT=$$BUILD_TARGET -k -C $@ all include ../lib.mk override define RUN_TESTS @for TARGET in $(SUB_DIRS); do \ - BUILD_TARGET=$$OUTPUT/$$TARGET; \ + BUILD_TARGET=$(OUTPUT)/$$TARGET; \ $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET run_tests;\ done; endef override define INSTALL_RULE @for TARGET in $(SUB_DIRS); do \ - BUILD_TARGET=$$OUTPUT/$$TARGET; \ + BUILD_TARGET=$(OUTPUT)/$$TARGET; \ $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET install;\ done; endef override define EMIT_TESTS @for TARGET in $(SUB_DIRS); do \ - BUILD_TARGET=$$OUTPUT/$$TARGET; \ + BUILD_TARGET=$(OUTPUT)/$$TARGET; \ $(MAKE) OUTPUT=$$BUILD_TARGET -s -C $$TARGET emit_tests;\ done; endef clean: @for TARGET in $(SUB_DIRS); do \ - BUILD_TARGET=$$OUTPUT/$$TARGET; \ + BUILD_TARGET=$(OUTPUT)/$$TARGET; \ $(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET clean; \ done; rm -f tags diff --git a/tools/testing/selftests/powerpc/include/vsx_asm.h b/tools/testing/selftests/powerpc/include/vsx_asm.h index d828bfb..54064ce 100644 --- a/tools/testing/selftests/powerpc/include/vsx_asm.h +++ b/tools/testing/selftests/powerpc/include/vsx_asm.h @@ -16,56 +16,56 @@ */ FUNC_START(load_vsx) li r5,0 - lxvx vs20,r5,r3 + lxvd2x vs20,r5,r3 addi r5,r5,16 - lxvx vs21,r5,r3 + lxvd2x vs21,r5,r3 addi r5,r5,16 - lxvx vs22,r5,r3 + lxvd2x vs22,r5,r3 addi r5,r5,16 - lxvx vs23,r5,r3 + lxvd2x vs23,r5,r3 addi r5,r5,16 - lxvx vs24,r5,r3 + lxvd2x vs24,r5,r3 addi r5,r5,16 - lxvx vs25,r5,r3 + lxvd2x vs25,r5,r3 addi r5,r5,16 - lxvx vs26,r5,r3 + lxvd2x vs26,r5,r3 addi r5,r5,16 - lxvx vs27,r5,r3 + lxvd2x vs27,r5,r3 addi r5,r5,16 - lxvx vs28,r5,r3 + lxvd2x vs28,r5,r3 addi r5,r5,16 - lxvx vs29,r5,r3 + lxvd2x vs29,r5,r3 addi r5,r5,16 - lxvx vs30,r5,r3 + lxvd2x vs30,r5,r3 addi r5,r5,16 - lxvx vs31,r5,r3 + lxvd2x vs31,r5,r3 blr FUNC_END(load_vsx) FUNC_START(store_vsx) li r5,0 - stxvx vs20,r5,r3 + stxvd2x vs20,r5,r3 addi r5,r5,16 - stxvx vs21,r5,r3 + stxvd2x vs21,r5,r3 addi r5,r5,16 - stxvx vs22,r5,r3 + stxvd2x vs22,r5,r3 addi r5,r5,16 - stxvx vs23,r5,r3 + stxvd2x vs23,r5,r3 addi r5,r5,16 - stxvx vs24,r5,r3 + stxvd2x vs24,r5,r3 addi r5,r5,16 - stxvx vs25,r5,r3 + stxvd2x vs25,r5,r3 addi r5,r5,16 - stxvx vs26,r5,r3 + stxvd2x vs26,r5,r3 addi r5,r5,16 - stxvx vs27,r5,r3 + stxvd2x vs27,r5,r3 addi r5,r5,16 - stxvx vs28,r5,r3 + stxvd2x vs28,r5,r3 addi r5,r5,16 - stxvx vs29,r5,r3 + stxvd2x vs29,r5,r3 addi r5,r5,16 - stxvx vs30,r5,r3 + stxvd2x vs30,r5,r3 addi r5,r5,16 - stxvx vs31,r5,r3 + stxvd2x vs31,r5,r3 blr FUNC_END(store_vsx) diff --git a/virt/kvm/arm/vgic/vgic-init.c b/virt/kvm/arm/vgic/vgic-init.c index 276139a..702f810 100644 --- a/virt/kvm/arm/vgic/vgic-init.c +++ b/virt/kvm/arm/vgic/vgic-init.c @@ -392,6 +392,25 @@ static irqreturn_t vgic_maintenance_handler(int irq, void *data) } /** + * kvm_vgic_init_cpu_hardware - initialize the GIC VE hardware + * + * For a specific CPU, initialize the GIC VE hardware. + */ +void kvm_vgic_init_cpu_hardware(void) +{ + BUG_ON(preemptible()); + + /* + * We want to make sure the list registers start out clear so that we + * only have the program the used registers. + */ + if (kvm_vgic_global_state.type == VGIC_V2) + vgic_v2_init_lrs(); + else + kvm_call_hyp(__vgic_v3_init_lrs); +} + +/** * kvm_vgic_hyp_init: populates the kvm_vgic_global_state variable * according to the host GIC model. Accordingly calls either * vgic_v2/v3_probe which registers the KVM_DEVICE that can be diff --git a/virt/kvm/arm/vgic/vgic-mmio-v2.c b/virt/kvm/arm/vgic/vgic-mmio-v2.c index a3ad7ff..0a4283e 100644 --- a/virt/kvm/arm/vgic/vgic-mmio-v2.c +++ b/virt/kvm/arm/vgic/vgic-mmio-v2.c @@ -229,7 +229,15 @@ static unsigned long vgic_mmio_read_vcpuif(struct kvm_vcpu *vcpu, val = vmcr.ctlr; break; case GIC_CPU_PRIMASK: - val = vmcr.pmr; + /* + * Our KVM_DEV_TYPE_ARM_VGIC_V2 device ABI exports the + * the PMR field as GICH_VMCR.VMPriMask rather than + * GICC_PMR.Priority, so we expose the upper five bits of + * priority mask to userspace using the lower bits in the + * unsigned long. + */ + val = (vmcr.pmr & GICV_PMR_PRIORITY_MASK) >> + GICV_PMR_PRIORITY_SHIFT; break; case GIC_CPU_BINPOINT: val = vmcr.bpr; @@ -262,7 +270,15 @@ static void vgic_mmio_write_vcpuif(struct kvm_vcpu *vcpu, vmcr.ctlr = val; break; case GIC_CPU_PRIMASK: - vmcr.pmr = val; + /* + * Our KVM_DEV_TYPE_ARM_VGIC_V2 device ABI exports the + * the PMR field as GICH_VMCR.VMPriMask rather than + * GICC_PMR.Priority, so we expose the upper five bits of + * priority mask to userspace using the lower bits in the + * unsigned long. + */ + vmcr.pmr = (val << GICV_PMR_PRIORITY_SHIFT) & + GICV_PMR_PRIORITY_MASK; break; case GIC_CPU_BINPOINT: vmcr.bpr = val; diff --git a/virt/kvm/arm/vgic/vgic-v2.c b/virt/kvm/arm/vgic/vgic-v2.c index b834ecd..b637d9c 100644 --- a/virt/kvm/arm/vgic/vgic-v2.c +++ b/virt/kvm/arm/vgic/vgic-v2.c @@ -36,6 +36,21 @@ static unsigned long *u64_to_bitmask(u64 *val) return (unsigned long *)val; } +static inline void vgic_v2_write_lr(int lr, u32 val) +{ + void __iomem *base = kvm_vgic_global_state.vctrl_base; + + writel_relaxed(val, base + GICH_LR0 + (lr * 4)); +} + +void vgic_v2_init_lrs(void) +{ + int i; + + for (i = 0; i < kvm_vgic_global_state.nr_lr; i++) + vgic_v2_write_lr(i, 0); +} + void vgic_v2_process_maintenance(struct kvm_vcpu *vcpu) { struct vgic_v2_cpu_if *cpuif = &vcpu->arch.vgic_cpu.vgic_v2; @@ -191,8 +206,8 @@ void vgic_v2_set_vmcr(struct kvm_vcpu *vcpu, struct vgic_vmcr *vmcrp) GICH_VMCR_ALIAS_BINPOINT_MASK; vmcr |= (vmcrp->bpr << GICH_VMCR_BINPOINT_SHIFT) & GICH_VMCR_BINPOINT_MASK; - vmcr |= (vmcrp->pmr << GICH_VMCR_PRIMASK_SHIFT) & - GICH_VMCR_PRIMASK_MASK; + vmcr |= ((vmcrp->pmr >> GICV_PMR_PRIORITY_SHIFT) << + GICH_VMCR_PRIMASK_SHIFT) & GICH_VMCR_PRIMASK_MASK; vcpu->arch.vgic_cpu.vgic_v2.vgic_vmcr = vmcr; } @@ -207,8 +222,8 @@ void vgic_v2_get_vmcr(struct kvm_vcpu *vcpu, struct vgic_vmcr *vmcrp) GICH_VMCR_ALIAS_BINPOINT_SHIFT; vmcrp->bpr = (vmcr & GICH_VMCR_BINPOINT_MASK) >> GICH_VMCR_BINPOINT_SHIFT; - vmcrp->pmr = (vmcr & GICH_VMCR_PRIMASK_MASK) >> - GICH_VMCR_PRIMASK_SHIFT; + vmcrp->pmr = ((vmcr & GICH_VMCR_PRIMASK_MASK) >> + GICH_VMCR_PRIMASK_SHIFT) << GICV_PMR_PRIORITY_SHIFT; } void vgic_v2_enable(struct kvm_vcpu *vcpu) diff --git a/virt/kvm/arm/vgic/vgic.h b/virt/kvm/arm/vgic/vgic.h index db28f7c..6cf557e 100644 --- a/virt/kvm/arm/vgic/vgic.h +++ b/virt/kvm/arm/vgic/vgic.h @@ -81,11 +81,18 @@ static inline bool irq_is_pending(struct vgic_irq *irq) return irq->pending_latch || irq->line_level; } +/* + * This struct provides an intermediate representation of the fields contained + * in the GICH_VMCR and ICH_VMCR registers, such that code exporting the GIC + * state to userspace can generate either GICv2 or GICv3 CPU interface + * registers regardless of the hardware backed GIC used. + */ struct vgic_vmcr { u32 ctlr; u32 abpr; u32 bpr; - u32 pmr; + u32 pmr; /* Priority mask field in the GICC_PMR and + * ICC_PMR_EL1 priority field format */ /* Below member variable are valid only for GICv3 */ u32 grpen0; u32 grpen1; @@ -130,6 +137,8 @@ int vgic_v2_map_resources(struct kvm *kvm); int vgic_register_dist_iodev(struct kvm *kvm, gpa_t dist_base_address, enum vgic_type); +void vgic_v2_init_lrs(void); + static inline void vgic_get_irq_kref(struct vgic_irq *irq) { if (irq->intid < VGIC_MIN_LPI) diff --git a/virt/kvm/eventfd.c b/virt/kvm/eventfd.c index a29786d..4d28a9d 100644 --- a/virt/kvm/eventfd.c +++ b/virt/kvm/eventfd.c @@ -870,7 +870,8 @@ kvm_deassign_ioeventfd_idx(struct kvm *kvm, enum kvm_bus bus_idx, continue; kvm_io_bus_unregister_dev(kvm, bus_idx, &p->dev); - kvm->buses[bus_idx]->ioeventfd_count--; + if (kvm->buses[bus_idx]) + kvm->buses[bus_idx]->ioeventfd_count--; ioeventfd_release(p); ret = 0; break; diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c index a17d787..88257b3 100644 --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c @@ -727,8 +727,11 @@ static void kvm_destroy_vm(struct kvm *kvm) list_del(&kvm->vm_list); spin_unlock(&kvm_lock); kvm_free_irq_routing(kvm); - for (i = 0; i < KVM_NR_BUSES; i++) - kvm_io_bus_destroy(kvm->buses[i]); + for (i = 0; i < KVM_NR_BUSES; i++) { + if (kvm->buses[i]) + kvm_io_bus_destroy(kvm->buses[i]); + kvm->buses[i] = NULL; + } kvm_coalesced_mmio_free(kvm); #if defined(CONFIG_MMU_NOTIFIER) && defined(KVM_ARCH_WANT_MMU_NOTIFIER) mmu_notifier_unregister(&kvm->mmu_notifier, kvm->mm); @@ -1062,7 +1065,7 @@ int __kvm_set_memory_region(struct kvm *kvm, * changes) is disallowed above, so any other attribute changes getting * here can be skipped. */ - if ((change == KVM_MR_CREATE) || (change == KVM_MR_MOVE)) { + if (as_id == 0 && (change == KVM_MR_CREATE || change == KVM_MR_MOVE)) { r = kvm_iommu_map_pages(kvm, &new); return r; } @@ -3474,6 +3477,8 @@ int kvm_io_bus_write(struct kvm_vcpu *vcpu, enum kvm_bus bus_idx, gpa_t addr, }; bus = srcu_dereference(vcpu->kvm->buses[bus_idx], &vcpu->kvm->srcu); + if (!bus) + return -ENOMEM; r = __kvm_io_bus_write(vcpu, bus, &range, val); return r < 0 ? r : 0; } @@ -3491,6 +3496,8 @@ int kvm_io_bus_write_cookie(struct kvm_vcpu *vcpu, enum kvm_bus bus_idx, }; bus = srcu_dereference(vcpu->kvm->buses[bus_idx], &vcpu->kvm->srcu); + if (!bus) + return -ENOMEM; /* First try the device referenced by cookie. */ if ((cookie >= 0) && (cookie < bus->dev_count) && @@ -3541,6 +3548,8 @@ int kvm_io_bus_read(struct kvm_vcpu *vcpu, enum kvm_bus bus_idx, gpa_t addr, }; bus = srcu_dereference(vcpu->kvm->buses[bus_idx], &vcpu->kvm->srcu); + if (!bus) + return -ENOMEM; r = __kvm_io_bus_read(vcpu, bus, &range, val); return r < 0 ? r : 0; } @@ -3553,6 +3562,9 @@ int kvm_io_bus_register_dev(struct kvm *kvm, enum kvm_bus bus_idx, gpa_t addr, struct kvm_io_bus *new_bus, *bus; bus = kvm->buses[bus_idx]; + if (!bus) + return -ENOMEM; + /* exclude ioeventfd which is limited by maximum fd */ if (bus->dev_count - bus->ioeventfd_count > NR_IOBUS_DEVS - 1) return -ENOSPC; @@ -3572,37 +3584,41 @@ int kvm_io_bus_register_dev(struct kvm *kvm, enum kvm_bus bus_idx, gpa_t addr, } /* Caller must hold slots_lock. */ -int kvm_io_bus_unregister_dev(struct kvm *kvm, enum kvm_bus bus_idx, - struct kvm_io_device *dev) +void kvm_io_bus_unregister_dev(struct kvm *kvm, enum kvm_bus bus_idx, + struct kvm_io_device *dev) { - int i, r; + int i; struct kvm_io_bus *new_bus, *bus; bus = kvm->buses[bus_idx]; - r = -ENOENT; + if (!bus) + return; + for (i = 0; i < bus->dev_count; i++) if (bus->range[i].dev == dev) { - r = 0; break; } - if (r) - return r; + if (i == bus->dev_count) + return; new_bus = kmalloc(sizeof(*bus) + ((bus->dev_count - 1) * sizeof(struct kvm_io_range)), GFP_KERNEL); - if (!new_bus) - return -ENOMEM; + if (!new_bus) { + pr_err("kvm: failed to shrink bus, removing it completely\n"); + goto broken; + } memcpy(new_bus, bus, sizeof(*bus) + i * sizeof(struct kvm_io_range)); new_bus->dev_count--; memcpy(new_bus->range + i, bus->range + i + 1, (new_bus->dev_count - i) * sizeof(struct kvm_io_range)); +broken: rcu_assign_pointer(kvm->buses[bus_idx], new_bus); synchronize_srcu_expedited(&kvm->srcu); kfree(bus); - return r; + return; } struct kvm_io_device *kvm_io_bus_get_dev(struct kvm *kvm, enum kvm_bus bus_idx, @@ -3615,6 +3631,8 @@ struct kvm_io_device *kvm_io_bus_get_dev(struct kvm *kvm, enum kvm_bus bus_idx, srcu_idx = srcu_read_lock(&kvm->srcu); bus = srcu_dereference(kvm->buses[bus_idx], &kvm->srcu); + if (!bus) + goto out_unlock; dev_idx = kvm_io_bus_get_first_dev(bus, addr, 1); if (dev_idx < 0) |
