diff options
Diffstat (limited to 'include')
36 files changed, 771 insertions, 77 deletions
diff --git a/include/block/scsi.h b/include/block/scsi.h index 9ab045b..edde960 100644 --- a/include/block/scsi.h +++ b/include/block/scsi.h @@ -143,6 +143,8 @@ #define READ_CD 0xbe #define SEND_DVD_STRUCTURE 0xbf +const char *scsi_command_name(uint8_t cmd); + /* * SERVICE ACTION IN subcodes */ diff --git a/include/exec/cpu-all.h b/include/exec/cpu-all.h index e8363d7..f91581f 100644 --- a/include/exec/cpu-all.h +++ b/include/exec/cpu-all.h @@ -297,11 +297,6 @@ CPUArchState *cpu_copy(CPUArchState *env); /* memory API */ -extern ram_addr_t ram_size; - -/* RAM is pre-allocated and passed into qemu_ram_alloc_from_ptr */ -#define RAM_PREALLOC_MASK (1 << 0) - typedef struct RAMBlock { struct MemoryRegion *mr; uint8_t *host; @@ -327,9 +322,6 @@ typedef struct RAMList { } RAMList; extern RAMList ram_list; -extern const char *mem_path; -extern int mem_prealloc; - /* Flags stored in the low bits of the TLB virtual address. These are defined so that fast path ram access is all zeros. */ /* Zero if TLB entry is valid. */ diff --git a/include/exec/cpu-common.h b/include/exec/cpu-common.h index a21b65a..e3ec4c8 100644 --- a/include/exec/cpu-common.h +++ b/include/exec/cpu-common.h @@ -45,6 +45,8 @@ typedef uintptr_t ram_addr_t; # define RAM_ADDR_FMT "%" PRIxPTR #endif +extern ram_addr_t ram_size; + /* memory API */ typedef void CPUWriteMemoryFunc(void *opaque, hwaddr addr, uint32_t value); @@ -54,6 +56,7 @@ void qemu_ram_remap(ram_addr_t addr, ram_addr_t length); /* This should not be used by devices. */ MemoryRegion *qemu_ram_addr_from_host(void *ptr, ram_addr_t *ram_addr); void qemu_ram_set_idstr(ram_addr_t addr, const char *name, DeviceState *dev); +void qemu_ram_unset_idstr(ram_addr_t addr); void cpu_physical_memory_rw(hwaddr addr, uint8_t *buf, int len, int is_write); diff --git a/include/exec/memory.h b/include/exec/memory.h index 1d55ad9..3d778d7 100644 --- a/include/exec/memory.h +++ b/include/exec/memory.h @@ -31,6 +31,7 @@ #include "qemu/queue.h" #include "qemu/int128.h" #include "qemu/notify.h" +#include "qapi/error.h" #define MAX_PHYS_ADDR_SPACE_BITS 62 #define MAX_PHYS_ADDR (((hwaddr)1 << MAX_PHYS_ADDR_SPACE_BITS) - 1) @@ -135,7 +136,7 @@ struct MemoryRegion { const MemoryRegionIOMMUOps *iommu_ops; void *opaque; struct Object *owner; - MemoryRegion *parent; + MemoryRegion *container; Int128 size; hwaddr addr; void (*destructor)(MemoryRegion *mr); @@ -311,6 +312,28 @@ void memory_region_init_ram(MemoryRegion *mr, const char *name, uint64_t size); +#ifdef __linux__ +/** + * memory_region_init_ram_from_file: Initialize RAM memory region with a + * mmap-ed backend. + * + * @mr: the #MemoryRegion to be initialized. + * @owner: the object that tracks the region's reference count + * @name: the name of the region. + * @size: size of the region. + * @share: %true if memory must be mmaped with the MAP_SHARED flag + * @path: the path in which to allocate the RAM. + * @errp: pointer to Error*, to store an error if it happens. + */ +void memory_region_init_ram_from_file(MemoryRegion *mr, + struct Object *owner, + const char *name, + uint64_t size, + bool share, + const char *path, + Error **errp); +#endif + /** * memory_region_init_ram_ptr: Initialize RAM memory region from a * user-provided pointer. Accesses into the @@ -513,6 +536,16 @@ bool memory_region_is_logging(MemoryRegion *mr); bool memory_region_is_rom(MemoryRegion *mr); /** + * memory_region_get_fd: Get a file descriptor backing a RAM memory region. + * + * Returns a file descriptor backing a file-based RAM memory region, + * or -1 if the region is not a file-based RAM memory region. + * + * @mr: the RAM or alias memory region being queried. + */ +int memory_region_get_fd(MemoryRegion *mr); + +/** * memory_region_get_ram_ptr: Get a pointer into a RAM memory region. * * Returns a host pointer to a RAM memory region (created with @@ -815,11 +848,11 @@ void memory_region_set_enabled(MemoryRegion *mr, bool enabled); /* * memory_region_set_address: dynamically update the address of a region * - * Dynamically updates the address of a region, relative to its parent. + * Dynamically updates the address of a region, relative to its container. * May be used on regions are currently part of a memory hierarchy. * * @mr: the region to be updated - * @addr: new address, relative to parent region + * @addr: new address, relative to container region */ void memory_region_set_address(MemoryRegion *mr, hwaddr addr); @@ -836,16 +869,24 @@ void memory_region_set_alias_offset(MemoryRegion *mr, hwaddr offset); /** - * memory_region_present: checks if an address relative to a @parent - * translates into #MemoryRegion within @parent + * memory_region_present: checks if an address relative to a @container + * translates into #MemoryRegion within @container * - * Answer whether a #MemoryRegion within @parent covers the address + * Answer whether a #MemoryRegion within @container covers the address * @addr. * - * @parent: a #MemoryRegion within which @addr is a relative address - * @addr: the area within @parent to be searched + * @container: a #MemoryRegion within which @addr is a relative address + * @addr: the area within @container to be searched + */ +bool memory_region_present(MemoryRegion *container, hwaddr addr); + +/** + * memory_region_is_mapped: returns true if #MemoryRegion is mapped + * into any address space. + * + * @mr: a #MemoryRegion which should be checked if it's mapped */ -bool memory_region_present(MemoryRegion *parent, hwaddr addr); +bool memory_region_is_mapped(MemoryRegion *mr); /** * memory_region_find: translate an address/size relative to a @@ -866,7 +907,7 @@ bool memory_region_present(MemoryRegion *parent, hwaddr addr); * Similarly, the .@offset_within_address_space is relative to the * address space that contains both regions, the passed and the * returned one. However, in the special case where the @mr argument - * has no parent (and thus is the root of the address space), the + * has no container (and thus is the root of the address space), the * following will hold: * .@offset_within_address_space >= @addr * .@offset_within_address_space + .@size <= @addr + @size diff --git a/include/exec/ram_addr.h b/include/exec/ram_addr.h index b94de02..55ca676 100644 --- a/include/exec/ram_addr.h +++ b/include/exec/ram_addr.h @@ -22,9 +22,13 @@ #ifndef CONFIG_USER_ONLY #include "hw/xen/xen.h" +ram_addr_t qemu_ram_alloc_from_file(ram_addr_t size, MemoryRegion *mr, + bool share, const char *mem_path, + Error **errp); ram_addr_t qemu_ram_alloc_from_ptr(ram_addr_t size, void *host, MemoryRegion *mr); ram_addr_t qemu_ram_alloc(ram_addr_t size, MemoryRegion *mr); +int qemu_get_ram_fd(ram_addr_t addr); void *qemu_get_ram_ptr(ram_addr_t addr); void qemu_ram_free(ram_addr_t addr); void qemu_ram_free_from_ptr(ram_addr_t addr); diff --git a/include/hw/acpi/acpi.h b/include/hw/acpi/acpi.h index a9fae9d..1f678b4 100644 --- a/include/hw/acpi/acpi.h +++ b/include/hw/acpi/acpi.h @@ -26,6 +26,11 @@ #include "exec/memory.h" #include "hw/irq.h" +/* + * current device naming scheme supports up to 256 memory devices + */ +#define ACPI_MAX_RAM_SLOTS 256 + /* from linux include/acpi/actype.h */ /* Default ACPI register widths */ diff --git a/include/hw/acpi/acpi_dev_interface.h b/include/hw/acpi/acpi_dev_interface.h new file mode 100644 index 0000000..f245f8d --- /dev/null +++ b/include/hw/acpi/acpi_dev_interface.h @@ -0,0 +1,43 @@ +#ifndef ACPI_DEV_INTERFACE_H +#define ACPI_DEV_INTERFACE_H + +#include "qom/object.h" +#include "qapi-types.h" + +#define TYPE_ACPI_DEVICE_IF "acpi-device-interface" + +#define ACPI_DEVICE_IF_CLASS(klass) \ + OBJECT_CLASS_CHECK(AcpiDeviceIfClass, (klass), \ + TYPE_ACPI_DEVICE_IF) +#define ACPI_DEVICE_IF_GET_CLASS(obj) \ + OBJECT_GET_CLASS(AcpiDeviceIfClass, (obj), \ + TYPE_ACPI_DEVICE_IF) +#define ACPI_DEVICE_IF(obj) \ + INTERFACE_CHECK(AcpiDeviceIf, (obj), \ + TYPE_ACPI_DEVICE_IF) + + +typedef struct AcpiDeviceIf { + /* <private> */ + Object Parent; +} AcpiDeviceIf; + +/** + * AcpiDeviceIfClass: + * + * ospm_status: returns status of ACPI device objects, reported + * via _OST method if device supports it. + * + * Interface is designed for providing unified interface + * to generic ACPI functionality that could be used without + * knowledge about internals of actual device that implements + * ACPI interface. + */ +typedef struct AcpiDeviceIfClass { + /* <private> */ + InterfaceClass parent_class; + + /* <public> */ + void (*ospm_status)(AcpiDeviceIf *adev, ACPIOSTInfoList ***list); +} AcpiDeviceIfClass; +#endif diff --git a/include/hw/acpi/cpu_hotplug.h b/include/hw/acpi/cpu_hotplug.h index 4576400..9e5d30c 100644 --- a/include/hw/acpi/cpu_hotplug.h +++ b/include/hw/acpi/cpu_hotplug.h @@ -13,7 +13,7 @@ #define ACPI_HOTPLUG_H #include "hw/acpi/acpi.h" -#include "hw/acpi/cpu_hotplug_defs.h" +#include "hw/acpi/pc-hotplug.h" typedef struct AcpiCpuHotplug { MemoryRegion io; diff --git a/include/hw/acpi/cpu_hotplug_defs.h b/include/hw/acpi/cpu_hotplug_defs.h deleted file mode 100644 index 9f33663..0000000 --- a/include/hw/acpi/cpu_hotplug_defs.h +++ /dev/null @@ -1,32 +0,0 @@ -/* - * QEMU ACPI hotplug utilities shared defines - * - * Copyright (C) 2013 Red Hat Inc - * - * Authors: - * Igor Mammedov <imammedo@redhat.com> - * - * This work is licensed under the terms of the GNU GPL, version 2 or later. - * See the COPYING file in the top-level directory. - */ -#ifndef ACPI_HOTPLUG_DEFS_H -#define ACPI_HOTPLUG_DEFS_H - -/* - * ONLY DEFINEs are permited in this file since it's shared - * between C and ASL code. - */ -#define ACPI_CPU_HOTPLUG_STATUS 4 - -/* Limit for CPU arch IDs for CPU hotplug. All hotpluggable CPUs should - * have CPUClass.get_arch_id() < ACPI_CPU_HOTPLUG_ID_LIMIT. - */ -#define ACPI_CPU_HOTPLUG_ID_LIMIT 256 - -/* 256 CPU IDs, 8 bits per entry: */ -#define ACPI_GPE_PROC_LEN 32 - -#define ICH9_CPU_HOTPLUG_IO_BASE 0x0CD8 -#define PIIX4_CPU_HOTPLUG_IO_BASE 0xaf00 - -#endif diff --git a/include/hw/acpi/ich9.h b/include/hw/acpi/ich9.h index 104f419..7e42448 100644 --- a/include/hw/acpi/ich9.h +++ b/include/hw/acpi/ich9.h @@ -23,6 +23,8 @@ #include "hw/acpi/acpi.h" #include "hw/acpi/cpu_hotplug.h" +#include "hw/acpi/memory_hotplug.h" +#include "hw/acpi/acpi_dev_interface.h" typedef struct ICH9LPCPMRegs { /* @@ -46,6 +48,8 @@ typedef struct ICH9LPCPMRegs { AcpiCpuHotplug gpe_cpu; Notifier cpu_added_notifier; + + MemHotplugState acpi_memory_hotplug; } ICH9LPCPMRegs; void ich9_pm_init(PCIDevice *lpc_pci, ICH9LPCPMRegs *pm, @@ -55,4 +59,7 @@ extern const VMStateDescription vmstate_ich9_pm; void ich9_pm_add_properties(Object *obj, ICH9LPCPMRegs *pm, Error **errp); +void ich9_pm_device_plug_cb(ICH9LPCPMRegs *pm, DeviceState *dev, Error **errp); + +void ich9_pm_ospm_status(AcpiDeviceIf *adev, ACPIOSTInfoList ***list); #endif /* HW_ACPI_ICH9_H */ diff --git a/include/hw/acpi/memory_hotplug.h b/include/hw/acpi/memory_hotplug.h new file mode 100644 index 0000000..7bbf8a0 --- /dev/null +++ b/include/hw/acpi/memory_hotplug.h @@ -0,0 +1,38 @@ +#ifndef QEMU_HW_ACPI_MEMORY_HOTPLUG_H +#define QEMU_HW_ACPI_MEMORY_HOTPLUG_H + +#include "hw/qdev-core.h" +#include "hw/acpi/acpi.h" +#include "migration/vmstate.h" + +#define ACPI_MEMORY_HOTPLUG_STATUS 8 + +typedef struct MemStatus { + DeviceState *dimm; + bool is_enabled; + bool is_inserting; + uint32_t ost_event; + uint32_t ost_status; +} MemStatus; + +typedef struct MemHotplugState { + bool is_enabled; /* true if memory hotplug is supported */ + MemoryRegion io; + uint32_t selector; + uint32_t dev_count; + MemStatus *devs; +} MemHotplugState; + +void acpi_memory_hotplug_init(MemoryRegion *as, Object *owner, + MemHotplugState *state); + +void acpi_memory_plug_cb(ACPIREGS *ar, qemu_irq irq, MemHotplugState *mem_st, + DeviceState *dev, Error **errp); + +extern const VMStateDescription vmstate_memory_hotplug; +#define VMSTATE_MEMORY_HOTPLUG(memhp, state) \ + VMSTATE_STRUCT(memhp, state, 1, \ + vmstate_memory_hotplug, MemHotplugState) + +void acpi_memory_ospm_status(MemHotplugState *mem_st, ACPIOSTInfoList ***list); +#endif diff --git a/include/hw/acpi/pc-hotplug.h b/include/hw/acpi/pc-hotplug.h new file mode 100644 index 0000000..bf5157d --- /dev/null +++ b/include/hw/acpi/pc-hotplug.h @@ -0,0 +1,56 @@ +/* + * QEMU ACPI hotplug utilities shared defines + * + * Copyright (C) 2014 Red Hat Inc + * + * Authors: + * Igor Mammedov <imammedo@redhat.com> + * + * This work is licensed under the terms of the GNU GPL, version 2 or later. + * See the COPYING file in the top-level directory. + */ +#ifndef PC_HOTPLUG_H +#define PC_HOTPLUG_H + +/* + * ONLY DEFINEs are permited in this file since it's shared + * between C and ASL code. + */ +#define ACPI_CPU_HOTPLUG_STATUS 4 + +/* Limit for CPU arch IDs for CPU hotplug. All hotpluggable CPUs should + * have CPUClass.get_arch_id() < ACPI_CPU_HOTPLUG_ID_LIMIT. + */ +#define ACPI_CPU_HOTPLUG_ID_LIMIT 256 + +/* 256 CPU IDs, 8 bits per entry: */ +#define ACPI_GPE_PROC_LEN 32 + +#define ICH9_CPU_HOTPLUG_IO_BASE 0x0CD8 +#define PIIX4_CPU_HOTPLUG_IO_BASE 0xaf00 + +#define ACPI_MEMORY_HOTPLUG_IO_LEN 24 +#define ACPI_MEMORY_HOTPLUG_BASE 0x0a00 + +#define MEMORY_HOPTLUG_DEVICE MHPD +#define MEMORY_SLOTS_NUMBER MDNR +#define MEMORY_HOTPLUG_IO_REGION HPMR +#define MEMORY_SLOT_ADDR_LOW MRBL +#define MEMORY_SLOT_ADDR_HIGH MRBH +#define MEMORY_SLOT_SIZE_LOW MRLL +#define MEMORY_SLOT_SIZE_HIGH MRLH +#define MEMORY_SLOT_PROXIMITY MPX +#define MEMORY_SLOT_ENABLED MES +#define MEMORY_SLOT_INSERT_EVENT MINS +#define MEMORY_SLOT_SLECTOR MSEL +#define MEMORY_SLOT_OST_EVENT MOEV +#define MEMORY_SLOT_OST_STATUS MOSC +#define MEMORY_SLOT_LOCK MLCK +#define MEMORY_SLOT_STATUS_METHOD MRST +#define MEMORY_SLOT_CRS_METHOD MCRS +#define MEMORY_SLOT_OST_METHOD MOST +#define MEMORY_SLOT_PROXIMITY_METHOD MPXM +#define MEMORY_SLOT_NOTIFY_METHOD MTFY +#define MEMORY_SLOT_SCAN_METHOD MSCN + +#endif diff --git a/include/hw/boards.h b/include/hw/boards.h index 2d2e2be..605a970 100644 --- a/include/hw/boards.h +++ b/include/hw/boards.h @@ -43,9 +43,13 @@ struct QEMUMachine { const char *hw_version; }; -#define TYPE_MACHINE_SUFFIX "-machine" +void memory_region_allocate_system_memory(MemoryRegion *mr, Object *owner, + const char *name, + uint64_t ram_size); + int qemu_register_machine(QEMUMachine *m); +#define TYPE_MACHINE_SUFFIX "-machine" #define TYPE_MACHINE "machine" #undef MACHINE /* BSD defines it and QEMU does not use it */ #define MACHINE(obj) \ @@ -61,6 +65,11 @@ extern MachineState *current_machine; /** * MachineClass: * @qemu_machine: #QEMUMachine + * @get_hotplug_handler: this function is called during bus-less + * device hotplug. If defined it returns pointer to an instance + * of HotplugHandler object, which handles hotplug operation + * for a given @dev. It may return NULL if @dev doesn't require + * any actions to be performed by hotplug handler. */ struct MachineClass { /*< private >*/ @@ -90,6 +99,9 @@ struct MachineClass { const char *default_boot_order; GlobalProperty *compat_props; const char *hw_version; + + HotplugHandler *(*get_hotplug_handler)(MachineState *machine, + DeviceState *dev); }; /** @@ -113,6 +125,8 @@ struct MachineState { char *firmware; ram_addr_t ram_size; + ram_addr_t maxram_size; + uint64_t ram_slots; const char *boot_order; char *kernel_filename; char *kernel_cmdline; diff --git a/include/hw/i386/ich9.h b/include/hw/i386/ich9.h index e191435..59ea25b 100644 --- a/include/hw/i386/ich9.h +++ b/include/hw/i386/ich9.h @@ -24,7 +24,7 @@ I2CBus *ich9_smb_init(PCIBus *bus, int devfn, uint32_t smb_io_base); #define ICH9_CC_SIZE (16 * 1024) /* 16KB */ -#define TYPE_ICH9_LPC_DEVICE "ICH9 LPC" +#define TYPE_ICH9_LPC_DEVICE "ICH9-LPC" #define ICH9_LPC_DEVICE(obj) \ OBJECT_CHECK(ICH9LPCState, (obj), TYPE_ICH9_LPC_DEVICE) diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h index fa9d997..19f78ea 100644 --- a/include/hw/i386/pc.h +++ b/include/hw/i386/pc.h @@ -3,6 +3,7 @@ #include "qemu-common.h" #include "exec/memory.h" +#include "hw/boards.h" #include "hw/isa/isa.h" #include "hw/block/fdc.h" #include "net/net.h" @@ -12,9 +13,57 @@ #include "qemu/bitmap.h" #include "sysemu/sysemu.h" #include "hw/pci/pci.h" +#include "hw/boards.h" #define HPET_INTCAP "hpet-intcap" +/** + * PCMachineState: + * @hotplug_memory_base: address in guest RAM address space where hotplug memory + * address space begins. + * @hotplug_memory: hotplug memory addess space container + * @acpi_dev: link to ACPI PM device that performs ACPI hotplug handling + */ +struct PCMachineState { + /*< private >*/ + MachineState parent_obj; + + /* <public> */ + ram_addr_t hotplug_memory_base; + MemoryRegion hotplug_memory; + + HotplugHandler *acpi_dev; +}; + +#define PC_MACHINE_ACPI_DEVICE_PROP "acpi-device" +#define PC_MACHINE_MEMHP_REGION_SIZE "hotplug-memory-region-size" + +/** + * PCMachineClass: + * @get_hotplug_handler: pointer to parent class callback @get_hotplug_handler + */ +struct PCMachineClass { + /*< private >*/ + MachineClass parent_class; + + /*< public >*/ + HotplugHandler *(*get_hotplug_handler)(MachineState *machine, + DeviceState *dev); +}; + +typedef struct PCMachineState PCMachineState; +typedef struct PCMachineClass PCMachineClass; + +#define TYPE_PC_MACHINE "generic-pc-machine" +#define PC_MACHINE(obj) \ + OBJECT_CHECK(PCMachineState, (obj), TYPE_PC_MACHINE) +#define PC_MACHINE_GET_CLASS(obj) \ + OBJECT_GET_CLASS(PCMachineClass, (obj), TYPE_PC_MACHINE) +#define PC_MACHINE_CLASS(klass) \ + OBJECT_CLASS_CHECK(PCMachineClass, (klass), TYPE_PC_MACHINE) + +void qemu_register_pc_machine(QEMUMachine *m); + /* PC-style peripherals (also used by other machines). */ typedef struct PcPciInfo { @@ -43,6 +92,7 @@ struct PcGuestInfo { uint64_t *node_cpu; FWCfgState *fw_cfg; bool has_acpi_build; + bool has_reserved_memory; }; /* parallel.c */ @@ -134,10 +184,8 @@ PcGuestInfo *pc_guest_info_init(ram_addr_t below_4g_mem_size, void pc_pci_as_mapping_init(Object *owner, MemoryRegion *system_memory, MemoryRegion *pci_address_space); -FWCfgState *pc_memory_init(MemoryRegion *system_memory, - const char *kernel_filename, - const char *kernel_cmdline, - const char *initrd_filename, +FWCfgState *pc_memory_init(MachineState *machine, + MemoryRegion *system_memory, ram_addr_t below_4g_mem_size, ram_addr_t above_4g_mem_size, MemoryRegion *rom_memory, @@ -167,7 +215,8 @@ void ioapic_init_gsi(GSIState *gsi_state, const char *parent_name); I2CBus *piix4_pm_init(PCIBus *bus, int devfn, uint32_t smb_io_base, qemu_irq sci_irq, qemu_irq smi_irq, - int kvm_enabled, FWCfgState *fw_cfg); + int kvm_enabled, FWCfgState *fw_cfg, + DeviceState **piix4_pm); void piix4_smbus_register_device(SMBusDevice *dev, uint8_t addr); /* hpet.c */ @@ -243,7 +292,12 @@ int e820_get_num_entries(void); bool e820_get_entry(int, uint32_t, uint64_t *, uint64_t *); #define PC_Q35_COMPAT_2_0 \ - PC_COMPAT_2_0 + PC_COMPAT_2_0, \ + {\ + .driver = "ICH9-LPC",\ + .property = "memory-hotplug-support",\ + .value = "off",\ + } #define PC_Q35_COMPAT_1_7 \ PC_COMPAT_1_7, \ @@ -268,10 +322,20 @@ bool e820_get_entry(int, uint32_t, uint64_t *, uint64_t *); #define PC_COMPAT_2_0 \ {\ + .driver = "virtio-scsi-pci",\ + .property = "any_layout",\ + .value = "off",\ + },{\ + .driver = "PIIX4_PM",\ + .property = "memory-hotplug-support",\ + .value = "off",\ + },\ + {\ .driver = "apic",\ .property = "version",\ .value = stringify(0x11),\ - },{\ + },\ + {\ .driver = "nec-usb-xhci",\ .property = "superspeed-ports-first",\ .value = "off",\ @@ -290,6 +354,11 @@ bool e820_get_entry(int, uint32_t, uint64_t *, uint64_t *); .driver = "pci-serial-4x",\ .property = "prog_if",\ .value = stringify(0),\ + },\ + {\ + .driver = "virtio-net-pci",\ + .property = "guest_announce",\ + .value = "off",\ } #define PC_COMPAT_1_7 \ diff --git a/include/hw/mem/pc-dimm.h b/include/hw/mem/pc-dimm.h new file mode 100644 index 0000000..761eeef --- /dev/null +++ b/include/hw/mem/pc-dimm.h @@ -0,0 +1,81 @@ +/* + * PC DIMM device + * + * Copyright ProfitBricks GmbH 2012 + * Copyright (C) 2013-2014 Red Hat Inc + * + * Authors: + * Vasilis Liaskovitis <vasilis.liaskovitis@profitbricks.com> + * Igor Mammedov <imammedo@redhat.com> + * + * This work is licensed under the terms of the GNU GPL, version 2 or later. + * See the COPYING file in the top-level directory. + * + */ + +#ifndef QEMU_PC_DIMM_H +#define QEMU_PC_DIMM_H + +#include "exec/memory.h" +#include "sysemu/hostmem.h" +#include "hw/qdev.h" + +#define DEFAULT_PC_DIMMSIZE (1024*1024*1024) + +#define TYPE_PC_DIMM "pc-dimm" +#define PC_DIMM(obj) \ + OBJECT_CHECK(PCDIMMDevice, (obj), TYPE_PC_DIMM) +#define PC_DIMM_CLASS(oc) \ + OBJECT_CLASS_CHECK(PCDIMMDeviceClass, (oc), TYPE_PC_DIMM) +#define PC_DIMM_GET_CLASS(obj) \ + OBJECT_GET_CLASS(PCDIMMDeviceClass, (obj), TYPE_PC_DIMM) + +#define PC_DIMM_ADDR_PROP "addr" +#define PC_DIMM_SLOT_PROP "slot" +#define PC_DIMM_NODE_PROP "node" +#define PC_DIMM_SIZE_PROP "size" +#define PC_DIMM_MEMDEV_PROP "memdev" + +#define PC_DIMM_UNASSIGNED_SLOT -1 + +/** + * PCDIMMDevice: + * @addr: starting guest physical address, where @PCDIMMDevice is mapped. + * Default value: 0, means that address is auto-allocated. + * @node: numa node to which @PCDIMMDevice is attached. + * @slot: slot number into which @PCDIMMDevice is plugged in. + * Default value: -1, means that slot is auto-allocated. + * @hostmem: host memory backend providing memory for @PCDIMMDevice + */ +typedef struct PCDIMMDevice { + /* private */ + DeviceState parent_obj; + + /* public */ + uint64_t addr; + uint32_t node; + int32_t slot; + HostMemoryBackend *hostmem; +} PCDIMMDevice; + +/** + * PCDIMMDeviceClass: + * @get_memory_region: returns #MemoryRegion associated with @dimm + */ +typedef struct PCDIMMDeviceClass { + /* private */ + DeviceClass parent_class; + + /* public */ + MemoryRegion *(*get_memory_region)(PCDIMMDevice *dimm); +} PCDIMMDeviceClass; + +uint64_t pc_dimm_get_free_addr(uint64_t address_space_start, + uint64_t address_space_size, + uint64_t *hint, uint64_t size, + Error **errp); + +int pc_dimm_get_free_slot(const int *hint, int max_slots, Error **errp); + +int qmp_pc_dimm_device_list(Object *obj, void *opaque); +#endif diff --git a/include/hw/virtio/vhost-backend.h b/include/hw/virtio/vhost-backend.h new file mode 100644 index 0000000..d31768a --- /dev/null +++ b/include/hw/virtio/vhost-backend.h @@ -0,0 +1,38 @@ +/* + * vhost-backend + * + * Copyright (c) 2013 Virtual Open Systems Sarl. + * + * This work is licensed under the terms of the GNU GPL, version 2 or later. + * See the COPYING file in the top-level directory. + * + */ + +#ifndef VHOST_BACKEND_H_ +#define VHOST_BACKEND_H_ + +typedef enum VhostBackendType { + VHOST_BACKEND_TYPE_NONE = 0, + VHOST_BACKEND_TYPE_KERNEL = 1, + VHOST_BACKEND_TYPE_USER = 2, + VHOST_BACKEND_TYPE_MAX = 3, +} VhostBackendType; + +struct vhost_dev; + +typedef int (*vhost_call)(struct vhost_dev *dev, unsigned long int request, + void *arg); +typedef int (*vhost_backend_init)(struct vhost_dev *dev, void *opaque); +typedef int (*vhost_backend_cleanup)(struct vhost_dev *dev); + +typedef struct VhostOps { + VhostBackendType backend_type; + vhost_call vhost_call; + vhost_backend_init vhost_backend_init; + vhost_backend_cleanup vhost_backend_cleanup; +} VhostOps; + +int vhost_set_backend_type(struct vhost_dev *dev, + VhostBackendType backend_type); + +#endif /* VHOST_BACKEND_H_ */ diff --git a/include/hw/virtio/vhost.h b/include/hw/virtio/vhost.h index de24746..33028ec 100644 --- a/include/hw/virtio/vhost.h +++ b/include/hw/virtio/vhost.h @@ -2,6 +2,7 @@ #define VHOST_H #include "hw/hw.h" +#include "hw/virtio/vhost-backend.h" #include "hw/virtio/virtio.h" #include "exec/memory.h" @@ -25,11 +26,11 @@ typedef unsigned long vhost_log_chunk_t; #define VHOST_LOG_PAGE 0x1000 #define VHOST_LOG_BITS (8 * sizeof(vhost_log_chunk_t)) #define VHOST_LOG_CHUNK (VHOST_LOG_PAGE * VHOST_LOG_BITS) +#define VHOST_INVALID_FEATURE_BIT (0xff) struct vhost_memory; struct vhost_dev { MemoryListener memory_listener; - int control; struct vhost_memory *mem; int n_mem_sections; MemoryRegionSection *mem_sections; @@ -48,10 +49,12 @@ struct vhost_dev { bool memory_changed; hwaddr mem_changed_start_addr; hwaddr mem_changed_end_addr; + const VhostOps *vhost_ops; + void *opaque; }; -int vhost_dev_init(struct vhost_dev *hdev, int devfd, const char *devpath, - bool force); +int vhost_dev_init(struct vhost_dev *hdev, void *opaque, + VhostBackendType backend_type, bool force); void vhost_dev_cleanup(struct vhost_dev *hdev); bool vhost_dev_query(struct vhost_dev *hdev, VirtIODevice *vdev); int vhost_dev_start(struct vhost_dev *hdev, VirtIODevice *vdev); @@ -68,4 +71,8 @@ bool vhost_virtqueue_pending(struct vhost_dev *hdev, int n); */ void vhost_virtqueue_mask(struct vhost_dev *hdev, VirtIODevice *vdev, int n, bool mask); +unsigned vhost_get_features(struct vhost_dev *hdev, const int *feature_bits, + unsigned features); +void vhost_ack_features(struct vhost_dev *hdev, const int *feature_bits, + unsigned features); #endif diff --git a/include/hw/virtio/virtio-net.h b/include/hw/virtio/virtio-net.h index 4b32440..f7fccc0 100644 --- a/include/hw/virtio/virtio-net.h +++ b/include/hw/virtio/virtio-net.h @@ -49,12 +49,14 @@ #define VIRTIO_NET_F_CTRL_RX 18 /* Control channel RX mode support */ #define VIRTIO_NET_F_CTRL_VLAN 19 /* Control channel VLAN filtering */ #define VIRTIO_NET_F_CTRL_RX_EXTRA 20 /* Extra RX mode control support */ +#define VIRTIO_NET_F_GUEST_ANNOUNCE 21 /* Guest can announce itself */ #define VIRTIO_NET_F_MQ 22 /* Device supports Receive Flow * Steering */ #define VIRTIO_NET_F_CTRL_MAC_ADDR 23 /* Set MAC address */ #define VIRTIO_NET_S_LINK_UP 1 /* Link is up */ +#define VIRTIO_NET_S_ANNOUNCE 2 /* Announcement is needed */ #define TX_TIMER_INTERVAL 150000 /* 150 us */ @@ -193,6 +195,8 @@ typedef struct VirtIONet { char *netclient_name; char *netclient_type; uint64_t curr_guest_offloads; + QEMUTimer *announce_timer; + int announce_counter; } VirtIONet; #define VIRTIO_NET_CTRL_MAC 1 @@ -213,6 +217,18 @@ typedef struct VirtIONet { #define VIRTIO_NET_CTRL_VLAN_DEL 1 /* + * Control link announce acknowledgement + * + * VIRTIO_NET_S_ANNOUNCE bit in the status field requests link announcement from + * guest driver. The driver is notified by config space change interrupt. The + * command VIRTIO_NET_CTRL_ANNOUNCE_ACK is used to indicate that the driver has + * received the notification. It makes the device clear the bit + * VIRTIO_NET_S_ANNOUNCE in the status field. + */ +#define VIRTIO_NET_CTRL_ANNOUNCE 3 + #define VIRTIO_NET_CTRL_ANNOUNCE_ACK 0 + +/* * Control Multiqueue * * The command VIRTIO_NET_CTRL_MQ_VQ_PAIRS_SET @@ -251,6 +267,7 @@ struct virtio_net_ctrl_mq { DEFINE_PROP_BIT("guest_tso6", _state, _field, VIRTIO_NET_F_GUEST_TSO6, true), \ DEFINE_PROP_BIT("guest_ecn", _state, _field, VIRTIO_NET_F_GUEST_ECN, true), \ DEFINE_PROP_BIT("guest_ufo", _state, _field, VIRTIO_NET_F_GUEST_UFO, true), \ + DEFINE_PROP_BIT("guest_announce", _state, _field, VIRTIO_NET_F_GUEST_ANNOUNCE, true), \ DEFINE_PROP_BIT("host_tso4", _state, _field, VIRTIO_NET_F_HOST_TSO4, true), \ DEFINE_PROP_BIT("host_tso6", _state, _field, VIRTIO_NET_F_HOST_TSO6, true), \ DEFINE_PROP_BIT("host_ecn", _state, _field, VIRTIO_NET_F_HOST_ECN, true), \ diff --git a/include/hw/virtio/virtio-scsi.h b/include/hw/virtio/virtio-scsi.h index 42b1024..a8f6185 100644 --- a/include/hw/virtio/virtio-scsi.h +++ b/include/hw/virtio/virtio-scsi.h @@ -84,14 +84,13 @@ #define VIRTIO_SCSI_EVT_RESET_RESCAN 1 #define VIRTIO_SCSI_EVT_RESET_REMOVED 2 -/* SCSI command request, followed by data-out */ +/* SCSI command request, followed by CDB and data-out */ typedef struct { uint8_t lun[8]; /* Logical Unit Number */ uint64_t tag; /* Command identifier */ uint8_t task_attr; /* Task attribute */ uint8_t prio; uint8_t crn; - uint8_t cdb[]; } QEMU_PACKED VirtIOSCSICmdReq; /* Response, followed by sense data and data-in */ @@ -101,7 +100,6 @@ typedef struct { uint16_t status_qualifier; /* Status qualifier */ uint8_t status; /* Command completion status */ uint8_t response; /* Response values */ - uint8_t sense[]; } QEMU_PACKED VirtIOSCSICmdResp; /* Task Management Request */ @@ -186,7 +184,12 @@ typedef struct { DEFINE_PROP_BIT("param_change", _state, _feature_field, \ VIRTIO_SCSI_F_CHANGE, true) -void virtio_scsi_common_realize(DeviceState *dev, Error **errp); +typedef void (*HandleOutput)(VirtIODevice *, VirtQueue *); + +void virtio_scsi_common_realize(DeviceState *dev, Error **errp, + HandleOutput ctrl, HandleOutput evt, + HandleOutput cmd); + void virtio_scsi_common_unrealize(DeviceState *dev, Error **errp); #endif /* _QEMU_VIRTIO_SCSI_H */ diff --git a/include/migration/vmstate.h b/include/migration/vmstate.h index 7e45048..799d2d0 100644 --- a/include/migration/vmstate.h +++ b/include/migration/vmstate.h @@ -752,6 +752,8 @@ extern const VMStateInfo vmstate_info_bitmap; #define VMSTATE_END_OF_LIST() \ {} +#define SELF_ANNOUNCE_ROUNDS 5 + int vmstate_load_state(QEMUFile *f, const VMStateDescription *vmsd, void *opaque, int version_id); void vmstate_save_state(QEMUFile *f, const VMStateDescription *vmsd, @@ -778,4 +780,12 @@ void vmstate_register_ram(struct MemoryRegion *memory, DeviceState *dev); void vmstate_unregister_ram(struct MemoryRegion *memory, DeviceState *dev); void vmstate_register_ram_global(struct MemoryRegion *memory); +static inline +int64_t self_announce_delay(int round) +{ + assert(round < SELF_ANNOUNCE_ROUNDS && round > 0); + /* delay 50ms, 150ms, 250ms, ... */ + return 50 + (SELF_ANNOUNCE_ROUNDS - round - 1) * 100; +} + #endif diff --git a/include/monitor/monitor.h b/include/monitor/monitor.h index 1c1f56f..97696ea 100644 --- a/include/monitor/monitor.h +++ b/include/monitor/monitor.h @@ -51,6 +51,7 @@ typedef enum MonitorEvent { QEVENT_BLOCK_IMAGE_CORRUPTED, QEVENT_QUORUM_FAILURE, QEVENT_QUORUM_REPORT_BAD, + QEVENT_ACPI_OST, /* Add to 'monitor_event_names' array in monitor.c when * defining new events here */ diff --git a/include/net/vhost-user.h b/include/net/vhost-user.h new file mode 100644 index 0000000..85109f6 --- /dev/null +++ b/include/net/vhost-user.h @@ -0,0 +1,17 @@ +/* + * vhost-user.h + * + * Copyright (c) 2013 Virtual Open Systems Sarl. + * + * This work is licensed under the terms of the GNU GPL, version 2 or later. + * See the COPYING file in the top-level directory. + * + */ + +#ifndef VHOST_USER_H_ +#define VHOST_USER_H_ + +struct vhost_net; +struct vhost_net *vhost_user_get_vhost_net(NetClientState *nc); + +#endif /* VHOST_USER_H_ */ diff --git a/include/net/vhost_net.h b/include/net/vhost_net.h index 2d936bb..b1c18a3 100644 --- a/include/net/vhost_net.h +++ b/include/net/vhost_net.h @@ -2,11 +2,19 @@ #define VHOST_NET_H #include "net/net.h" +#include "hw/virtio/vhost-backend.h" struct vhost_net; typedef struct vhost_net VHostNetState; -VHostNetState *vhost_net_init(NetClientState *backend, int devfd, bool force); +typedef struct VhostNetOptions { + VhostBackendType backend_type; + NetClientState *net_backend; + void *opaque; + bool force; +} VhostNetOptions; + +struct vhost_net *vhost_net_init(VhostNetOptions *options); bool vhost_net_query(VHostNetState *net, VirtIODevice *dev); int vhost_net_start(VirtIODevice *dev, NetClientState *ncs, int total_queues); @@ -20,4 +28,5 @@ void vhost_net_ack_features(VHostNetState *net, unsigned features); bool vhost_net_virtqueue_pending(VHostNetState *net, int n); void vhost_net_virtqueue_mask(VHostNetState *net, VirtIODevice *dev, int idx, bool mask); +VHostNetState *get_vhost_net(NetClientState *nc); #endif diff --git a/include/qemu-common.h b/include/qemu-common.h index 66ceceb..ae76197 100644 --- a/include/qemu-common.h +++ b/include/qemu-common.h @@ -315,9 +315,9 @@ void qemu_iovec_init_external(QEMUIOVector *qiov, struct iovec *iov, int niov); void qemu_iovec_add(QEMUIOVector *qiov, void *base, size_t len); void qemu_iovec_concat(QEMUIOVector *dst, QEMUIOVector *src, size_t soffset, size_t sbytes); -void qemu_iovec_concat_iov(QEMUIOVector *dst, - struct iovec *src_iov, unsigned int src_cnt, - size_t soffset, size_t sbytes); +size_t qemu_iovec_concat_iov(QEMUIOVector *dst, + struct iovec *src_iov, unsigned int src_cnt, + size_t soffset, size_t sbytes); bool qemu_iovec_is_zero(QEMUIOVector *qiov); void qemu_iovec_destroy(QEMUIOVector *qiov); void qemu_iovec_reset(QEMUIOVector *qiov); diff --git a/include/qemu/aes.h b/include/qemu/aes.h index c106660..a006da2 100644 --- a/include/qemu/aes.h +++ b/include/qemu/aes.h @@ -10,6 +10,15 @@ struct aes_key_st { }; typedef struct aes_key_st AES_KEY; +/* FreeBSD has its own AES_set_decrypt_key in -lcrypto, avoid conflicts */ +#ifdef __FreeBSD__ +#define AES_set_encrypt_key QEMU_AES_set_encrypt_key +#define AES_set_decrypt_key QEMU_AES_set_decrypt_key +#define AES_encrypt QEMU_AES_encrypt +#define AES_decrypt QEMU_AES_decrypt +#define AES_cbc_encrypt QEMU_AES_cbc_encrypt +#endif + int AES_set_encrypt_key(const unsigned char *userKey, const int bits, AES_KEY *key); int AES_set_decrypt_key(const unsigned char *userKey, const int bits, diff --git a/include/qemu/bitops.h b/include/qemu/bitops.h index 340b1e7..7e2d5c9 100644 --- a/include/qemu/bitops.h +++ b/include/qemu/bitops.h @@ -157,7 +157,17 @@ unsigned long find_next_zero_bit(const unsigned long *addr, static inline unsigned long find_first_bit(const unsigned long *addr, unsigned long size) { - return find_next_bit(addr, size, 0); + unsigned long result, tmp; + + for (result = 0; result < size; result += BITS_PER_LONG) { + tmp = *addr++; + if (tmp) { + result += ctzl(tmp); + return result < size ? result : size; + } + } + /* Not found */ + return size; } /** diff --git a/include/qemu/osdep.h b/include/qemu/osdep.h index ffb2966..6d35c1b 100644 --- a/include/qemu/osdep.h +++ b/include/qemu/osdep.h @@ -116,6 +116,16 @@ void qemu_anon_ram_free(void *ptr, size_t size); #else #define QEMU_MADV_MERGEABLE QEMU_MADV_INVALID #endif +#ifdef MADV_UNMERGEABLE +#define QEMU_MADV_UNMERGEABLE MADV_UNMERGEABLE +#else +#define QEMU_MADV_UNMERGEABLE QEMU_MADV_INVALID +#endif +#ifdef MADV_DODUMP +#define QEMU_MADV_DODUMP MADV_DODUMP +#else +#define QEMU_MADV_DODUMP QEMU_MADV_INVALID +#endif #ifdef MADV_DONTDUMP #define QEMU_MADV_DONTDUMP MADV_DONTDUMP #else @@ -133,6 +143,8 @@ void qemu_anon_ram_free(void *ptr, size_t size); #define QEMU_MADV_DONTNEED POSIX_MADV_DONTNEED #define QEMU_MADV_DONTFORK QEMU_MADV_INVALID #define QEMU_MADV_MERGEABLE QEMU_MADV_INVALID +#define QEMU_MADV_UNMERGEABLE QEMU_MADV_INVALID +#define QEMU_MADV_DODUMP QEMU_MADV_INVALID #define QEMU_MADV_DONTDUMP QEMU_MADV_INVALID #define QEMU_MADV_HUGEPAGE QEMU_MADV_INVALID @@ -142,6 +154,8 @@ void qemu_anon_ram_free(void *ptr, size_t size); #define QEMU_MADV_DONTNEED QEMU_MADV_INVALID #define QEMU_MADV_DONTFORK QEMU_MADV_INVALID #define QEMU_MADV_MERGEABLE QEMU_MADV_INVALID +#define QEMU_MADV_UNMERGEABLE QEMU_MADV_INVALID +#define QEMU_MADV_DODUMP QEMU_MADV_INVALID #define QEMU_MADV_DONTDUMP QEMU_MADV_INVALID #define QEMU_MADV_HUGEPAGE QEMU_MADV_INVALID @@ -251,4 +265,6 @@ void qemu_init_auxval(char **envp); void qemu_set_tty_echo(int fd, bool echo); +void os_mem_prealloc(int fd, char *area, size_t sz); + #endif diff --git a/include/qemu/range.h b/include/qemu/range.h index aae9720..cfa021f 100644 --- a/include/qemu/range.h +++ b/include/qemu/range.h @@ -3,6 +3,7 @@ #include <inttypes.h> #include <qemu/typedefs.h> +#include "qemu/queue.h" /* * Operations on 64 bit address ranges. @@ -60,4 +61,75 @@ static inline int ranges_overlap(uint64_t first1, uint64_t len1, return !(last2 < first1 || last1 < first2); } +/* 0,1 can merge with 1,2 but don't overlap */ +static inline bool ranges_can_merge(Range *range1, Range *range2) +{ + return !(range1->end < range2->begin || range2->end < range1->begin); +} + +static inline int range_merge(Range *range1, Range *range2) +{ + if (ranges_can_merge(range1, range2)) { + if (range1->end < range2->end) { + range1->end = range2->end; + } + if (range1->begin > range2->begin) { + range1->begin = range2->begin; + } + return 0; + } + + return -1; +} + +static inline GList *g_list_insert_sorted_merged(GList *list, + gpointer data, + GCompareFunc func) +{ + GList *l, *next = NULL; + Range *r, *nextr; + + if (!list) { + list = g_list_insert_sorted(list, data, func); + return list; + } + + nextr = data; + l = list; + while (l && l != next && nextr) { + r = l->data; + if (ranges_can_merge(r, nextr)) { + range_merge(r, nextr); + l = g_list_remove_link(l, next); + next = g_list_next(l); + if (next) { + nextr = next->data; + } else { + nextr = NULL; + } + } else { + l = g_list_next(l); + } + } + + if (!l) { + list = g_list_insert_sorted(list, data, func); + } + + return list; +} + +static inline gint range_compare(gconstpointer a, gconstpointer b) +{ + Range *ra = (Range *)a, *rb = (Range *)b; + if (ra->begin == rb->begin && ra->end == rb->end) { + return 0; + } else if (range_get_last(ra->begin, ra->end) < + range_get_last(rb->begin, rb->end)) { + return -1; + } else { + return 1; + } +} + #endif diff --git a/include/qom/object.h b/include/qom/object.h index a641dcd..b882ccc 100644 --- a/include/qom/object.h +++ b/include/qom/object.h @@ -917,6 +917,34 @@ int64_t object_property_get_int(Object *obj, const char *name, Error **errp); /** + * object_property_get_enum: + * @obj: the object + * @name: the name of the property + * @strings: strings corresponding to enums + * @errp: returns an error if this function fails + * + * Returns: the value of the property, converted to an integer, or + * undefined if an error occurs (including when the property value is not + * an enum). + */ +int object_property_get_enum(Object *obj, const char *name, + const char *strings[], Error **errp); + +/** + * object_property_get_uint16List: + * @obj: the object + * @name: the name of the property + * @list: the returned int list + * @errp: returns an error if this function fails + * + * Returns: the value of the property, converted to integers, or + * undefined if an error occurs (including when the property value is not + * an list of integers). + */ +void object_property_get_uint16List(Object *obj, const char *name, + uint16List **list, Error **errp); + +/** * object_property_set: * @obj: the object * @v: the visitor that will be used to write the property value. This should diff --git a/include/sysemu/char.h b/include/sysemu/char.h index 7f5eeb3..3b835f6 100644 --- a/include/sysemu/char.h +++ b/include/sysemu/char.h @@ -56,10 +56,13 @@ typedef void IOEventHandler(void *opaque, int event); struct CharDriverState { void (*init)(struct CharDriverState *s); int (*chr_write)(struct CharDriverState *s, const uint8_t *buf, int len); + int (*chr_sync_read)(struct CharDriverState *s, + const uint8_t *buf, int len); GSource *(*chr_add_watch)(struct CharDriverState *s, GIOCondition cond); void (*chr_update_read_handler)(struct CharDriverState *s); int (*chr_ioctl)(struct CharDriverState *s, int cmd, void *arg); - int (*get_msgfd)(struct CharDriverState *s); + int (*get_msgfds)(struct CharDriverState *s, int* fds, int num); + int (*set_msgfds)(struct CharDriverState *s, int *fds, int num); int (*chr_add_client)(struct CharDriverState *chr, int fd); IOEventHandler *chr_event; IOCanReadHandler *chr_can_read; @@ -80,6 +83,7 @@ struct CharDriverState { int avail_connections; int is_mux; guint fd_in_tag; + guint fd_hup_tag; QemuOpts *opts; QTAILQ_ENTRY(CharDriverState) next; }; @@ -189,6 +193,18 @@ int qemu_chr_fe_write(CharDriverState *s, const uint8_t *buf, int len); int qemu_chr_fe_write_all(CharDriverState *s, const uint8_t *buf, int len); /** + * @qemu_chr_fe_read_all: + * + * Read data to a buffer from the back end. + * + * @buf the data buffer + * @len the number of bytes to read + * + * Returns: the number of bytes read + */ +int qemu_chr_fe_read_all(CharDriverState *s, uint8_t *buf, int len); + +/** * @qemu_chr_fe_ioctl: * * Issue a device specific ioctl to a backend. @@ -215,6 +231,32 @@ int qemu_chr_fe_ioctl(CharDriverState *s, int cmd, void *arg); int qemu_chr_fe_get_msgfd(CharDriverState *s); /** + * @qemu_chr_fe_get_msgfds: + * + * For backends capable of fd passing, return the number of file received + * descriptors and fills the fds array up to num elements + * + * Returns: -1 if fd passing isn't supported or there are no pending file + * descriptors. If file descriptors are returned, subsequent calls to + * this function will return -1 until a client sends a new set of file + * descriptors. + */ +int qemu_chr_fe_get_msgfds(CharDriverState *s, int *fds, int num); + +/** + * @qemu_chr_fe_set_msgfds: + * + * For backends capable of fd passing, set an array of fds to be passed with + * the next send operation. + * A subsequent call to this function before calling a write function will + * result in overwriting the fd array with the new value without being send. + * Upon writing the message the fd array is freed. + * + * Returns: -1 if fd passing isn't supported. + */ +int qemu_chr_fe_set_msgfds(CharDriverState *s, int *fds, int num); + +/** * @qemu_chr_fe_claim: * * Claim a backend before using it, should be called before calling diff --git a/include/sysemu/cpus.h b/include/sysemu/cpus.h index 6502488..4f79081 100644 --- a/include/sysemu/cpus.h +++ b/include/sysemu/cpus.h @@ -23,7 +23,6 @@ extern int smp_threads; #define smp_threads 1 #endif -void set_numa_modes(void); void list_cpus(FILE *f, fprintf_function cpu_fprintf, const char *optarg); #endif diff --git a/include/sysemu/hostmem.h b/include/sysemu/hostmem.h new file mode 100644 index 0000000..1ce4394 --- /dev/null +++ b/include/sysemu/hostmem.h @@ -0,0 +1,68 @@ +/* + * QEMU Host Memory Backend + * + * Copyright (C) 2013-2014 Red Hat Inc + * + * Authors: + * Igor Mammedov <imammedo@redhat.com> + * + * This work is licensed under the terms of the GNU GPL, version 2 or later. + * See the COPYING file in the top-level directory. + */ +#ifndef QEMU_RAM_H +#define QEMU_RAM_H + +#include "sysemu/sysemu.h" /* for MAX_NODES */ +#include "qom/object.h" +#include "qapi/error.h" +#include "exec/memory.h" +#include "qemu/option.h" +#include "qemu/bitmap.h" + +#define TYPE_MEMORY_BACKEND "memory-backend" +#define MEMORY_BACKEND(obj) \ + OBJECT_CHECK(HostMemoryBackend, (obj), TYPE_MEMORY_BACKEND) +#define MEMORY_BACKEND_GET_CLASS(obj) \ + OBJECT_GET_CLASS(HostMemoryBackendClass, (obj), TYPE_MEMORY_BACKEND) +#define MEMORY_BACKEND_CLASS(klass) \ + OBJECT_CLASS_CHECK(HostMemoryBackendClass, (klass), TYPE_MEMORY_BACKEND) + +typedef struct HostMemoryBackend HostMemoryBackend; +typedef struct HostMemoryBackendClass HostMemoryBackendClass; + +/** + * HostMemoryBackendClass: + * @parent_class: opaque parent class container + */ +struct HostMemoryBackendClass { + ObjectClass parent_class; + + void (*alloc)(HostMemoryBackend *backend, Error **errp); +}; + +/** + * @HostMemoryBackend + * + * @parent: opaque parent object container + * @size: amount of memory backend provides + * @id: unique identification string in memdev namespace + * @mr: MemoryRegion representing host memory belonging to backend + */ +struct HostMemoryBackend { + /* private */ + Object parent; + + /* protected */ + uint64_t size; + bool merge, dump; + bool prealloc, force_prealloc; + DECLARE_BITMAP(host_nodes, MAX_NODES + 1); + HostMemPolicy policy; + + MemoryRegion mr; +}; + +MemoryRegion *host_memory_backend_get_memory(HostMemoryBackend *backend, + Error **errp); + +#endif diff --git a/include/sysemu/kvm.h b/include/sysemu/kvm.h index de4bdaa..174ea36 100644 --- a/include/sysemu/kvm.h +++ b/include/sysemu/kvm.h @@ -43,6 +43,7 @@ extern bool kvm_allowed; extern bool kvm_kernel_irqchip; extern bool kvm_async_interrupts_allowed; extern bool kvm_halt_in_kernel_allowed; +extern bool kvm_eventfds_allowed; extern bool kvm_irqfds_allowed; extern bool kvm_msi_via_irqfd_allowed; extern bool kvm_gsi_routing_allowed; @@ -83,6 +84,15 @@ extern bool kvm_readonly_mem_allowed; #define kvm_halt_in_kernel() (kvm_halt_in_kernel_allowed) /** + * kvm_eventfds_enabled: + * + * Returns: true if we can use eventfds to receive notifications + * from a KVM CPU (ie the kernel supports eventds and we are running + * with a configuration where it is meaningful to use them). + */ +#define kvm_eventfds_enabled() (kvm_eventfds_allowed) + +/** * kvm_irqfds_enabled: * * Returns: true if we can use irqfds to inject interrupts into @@ -128,6 +138,7 @@ extern bool kvm_readonly_mem_allowed; #define kvm_irqchip_in_kernel() (false) #define kvm_async_interrupts_enabled() (false) #define kvm_halt_in_kernel() (false) +#define kvm_eventfds_enabled() (false) #define kvm_irqfds_enabled() (false) #define kvm_msi_via_irqfd_enabled() (false) #define kvm_gsi_routing_allowed() (false) diff --git a/include/sysemu/os-win32.h b/include/sysemu/os-win32.h index bf8523a..af3fbc4 100644 --- a/include/sysemu/os-win32.h +++ b/include/sysemu/os-win32.h @@ -89,6 +89,8 @@ static inline void os_setup_post(void) {} void os_set_line_buffering(void); static inline void os_set_proc_name(const char *dummy) {} +size_t getpagesize(void); + #if !defined(EPROTONOSUPPORT) # define EPROTONOSUPPORT EINVAL #endif diff --git a/include/sysemu/sysemu.h b/include/sysemu/sysemu.h index ba5c7f8..277230d 100644 --- a/include/sysemu/sysemu.h +++ b/include/sysemu/sysemu.h @@ -9,6 +9,8 @@ #include "qapi-types.h" #include "qemu/notify.h" #include "qemu/main-loop.h" +#include "qemu/bitmap.h" +#include "qom/object.h" /* vl.c */ @@ -131,8 +133,10 @@ extern uint8_t *boot_splash_filedata; extern size_t boot_splash_filedata_size; extern uint8_t qemu_extra_params_fw[2]; extern QEMUClockType rtc_clock; +extern const char *mem_path; +extern int mem_prealloc; -#define MAX_NODES 64 +#define MAX_NODES 128 /* The following shall be true for all CPUs: * cpu->cpu_index < max_cpus <= MAX_CPUMASK_BITS @@ -142,8 +146,16 @@ extern QEMUClockType rtc_clock; #define MAX_CPUMASK_BITS 255 extern int nb_numa_nodes; -extern uint64_t node_mem[MAX_NODES]; -extern unsigned long *node_cpumask[MAX_NODES]; +typedef struct node_info { + uint64_t node_mem; + DECLARE_BITMAP(node_cpu, MAX_CPUMASK_BITS); + struct HostMemoryBackend *node_memdev; +} NodeInfo; +extern NodeInfo numa_info[MAX_NODES]; +void set_numa_nodes(void); +void set_numa_modes(void); +extern QemuOptsList qemu_numa_opts; +int numa_init_func(QemuOpts *opts, void *opaque); #define MAX_OPTION_ROMS 16 typedef struct QEMUOptionRom { |
