| Commit message (Collapse) | Author | Age | Files | Lines |
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Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Add missing stubs to win32 to fix link failure.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reported-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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With i386-linux-user target on x86_64 host, this does not introduce any new test
failures.
Signed-off-by: Catalin Patulea <catalinp@google.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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gcc will silently accept unrecognized -Wno-wombat warning suppression
options (it only mentions them if it has to print a compiler warning
for some other reason). Since we already run a check for whether gcc
recognizes the warning options we use, we can easily make this use
the positive sense of the option when checking for support for the
suppression option. This doesn't have any effect except that it avoids
gcc emitting extra messages about unrecognized command line options
when it is printing other warning messages.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Stefan Weil <sw@weilnetz.de>
Reviewed-by: Igor Mitsyanko <i.mitsyanko@samsung.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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There is some read-after-write error within the OP=2 insns which
prevents setting cpu_dst to the real output register. Until this
is found and fixed, always write to a temporary first.
Cc: Blue Swirl <blauwirbel@gmail.com>
Cc: Aurelien Jarno <aurelien@aurel32.net>
Signed-off-by: Richard Henderson <rth@twiddle.net>
Tested-by: Aurelien Jarno <aurelien@aurel32.net>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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* 'qspi.2' of git://developer.petalogix.com/public/qemu:
xilinx_zynq: added QSPI controller
xilinx_spips: Generalised to model QSPI
m25p80: Support for Quad SPI
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Added the QSPI controller to the Zynq. 4 SPI devices are attached to allow
modelling of the different geometries. E.G. Dual parallel and dual stacked
mode can both be tested with this one arrangement.
Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
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Extended the xilinx spips controller to model QSPI as well. Paremeterised the
operational difference with the normal spi controller (num_ss_bits, width of the
tx/rx fifo heads etc.). Multiple bus functionality is modelled (needed for QSPI
dual parallel mode. LQSPI is modelled.
Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
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Added the Quad mode read and write commands. Data remains serialized on a
single wire, i.e. the quad mode instructions just behave the same as single
mode, with the expection of modelling the varying number of dummy/mode bytes
between the address bytes and the first data word.
Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
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* 's390-for-upstream' of git://repo.or.cz/qemu/agraf:
s390: sclp ascii console support
s390: sclp signal quiesce support
s390: sclp event support
s390: sclp base support
s390: use sync regs for register transfer
s390/kvm_stat: correct sys_perf_event_open syscall number
s390x: fix -initrd in virtio machine
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This code adds console support by implementing SCLP's ASCII Console
Data event. This is the same console as LPARs ASCII console or z/VMs
sysascii.
The console can be specified manually with something like
-chardev stdio,id=charconsole0 -device sclpconsole,chardev=charconsole0,id=console0
Newer kernels will autodetect that console and prefer that over virtio
console.
When data is received from the character layer it creates a service
interrupt to trigger a Read Event Data command from the guest that will
pick up the received character byte-stream.
When characters are echo'ed by the linux guest a Write Event Data occurs
which is forwarded by the Event Facility to the console that supports
a corresponding mask value.
Console resizing is not supported.
The character layer byte-stream is buffered using a fixed size iov
buffer.
Signed-off-by: Heinz Graalfs <graalfs@linux.vnet.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Jens Freimann <jfrei@linux.vnet.ibm.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
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This implements the sclp signal quiesce event via the SCLP Event
Facility.
This allows to gracefully shutdown a guest by using system_powerdown
notifiers. It creates a service interrupt that will trigger a
Read Event Data command from the guest. This code will then add an
event that is interpreted by linux guests as ctrl-alt-del.
Signed-off-by: Heinz Graalfs <graalfs@linux.vnet.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Jens Freimann <jfrei@linux.vnet.ibm.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
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Several SCLP features are considered to be events. Those events don't
provide SCLP commands on their own, instead they are all based on
Read Event Data, Write Event Data, Write Event Mask and the service
interrupt. Follow-on patches will provide SCLP's Signal Quiesce (via
system_powerdown) and the ASCII console.
Further down the road the sclp line mode console and configuration
change events (e.g. cpu hotplug) can be implemented.
Signed-off-by: Heinz Graalfs <graalfs@linux.vnet.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Jens Freimann <jfrei@linux.vnet.ibm.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
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This adds a more generic infrastructure for handling Service-Call
requests on s390. Currently we only support a small subset of Read
SCP Info directly in target-s390x. This patch provides the base
infrastructure for supporting more commands and moves Read SCP
Info.
In the future we could add additional commands for hotplug, call
home and event handling.
Signed-off-by: Heinz Graalfs <graalfs@linux.vnet.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Jens Freimann <jfrei@linux.vnet.ibm.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
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Newer kernels provide the guest registers in kvm_run. Lets use
those if available (i.e. the capability is set). This avoids
ioctls on cpu_synchronize_state making intercepts faster.
In addition, we have now the prefix register, the access registers
the control registers up to date. This helps in certain cases,
e.g. for resolving kernel module addresses with gdb on a guest.
On return, we update the registers according to the level statement,
i.e. we put all registers for KVM_PUT_FULL_STATE and _RESET_STATE.
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Jens Freimann <jfrei@linux.vnet.ibm.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
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Correct sys_perf_event_open syscall number for s390 architecture
- the hardcoded syscall number 298 is for x86 but should
be different for other architectures.
In case we figure out via /proc/cpuinfo that we are running
on s390 the appropriate syscall number is used from map
syscall_numbers; other architectures can extend this.
Signed-off-by: Heinz Graalfs <graalfs@linux.vnet.ibm.com>
Signed-off-by: Jens Freimann <jfrei@linux.vnet.ibm.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
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When using -initrd in the virtio machine, we need to indicate the initrd
start and size inside the kernel image. These parameters need to be stored
in native endianness.
Signed-off-by: Alexander Graf <agraf@suse.de>
Acked-by: Richard Henderson <rth@twiddle.net>
Acked-by: Christian Borntraeger <borntraeger@de.ibm.com>
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MIPS32 and later instruction sets have a multiplication instruction
directly operating on GPRs. It only produces a 32-bit result but
it is exactly what is needed by QEMU.
Reviewed-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
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The memory core drops regions that are hidden by another region (for example,
during BAR sizing), but it doesn't do so correctly if the lower address of the
existing range is below the lower address of the new range.
Example (qemu-system-mips -M malta -kernel vmlinux-2.6.32-5-4kc-malta
-append "console=ttyS0" -nographic -vga cirrus):
Existing range: 10000000-107fffff
New range: 100a0000-100bffff
Correct behaviour: drop new range
Incorrect behaviour: add new range
Fix by taking this case into account (previously we only considered
equal lower boundaries).
Tested-by: Aurelien Jarno <aurelien@aurel32.net>
Signed-off-by: Avi Kivity <avi@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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virtio,pci infrastructure
This includes infrastructure patches that don't do much by themselves
but should help vfio and q35 make progress.
Also included is rework of virtio-net to use iovec APIs
for vector access - helpful to make it more secure
and in preparation for a new feature that will allow
arbitrary s/g layout for guests.
Also included is a pci bridge bugfix by Avi.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
* mst/tags/for_anthony: (25 commits)
pci: avoid destroying bridge address space windows in a transaction
virtio-net: enable mrg buf header in tap on linux
virtio-net: test peer header support at init time
virtio-net: minor code simplification
virtio-net: simplify rx code
virtio-net: switch tx to safe iov functions
virtio-net: first s/g is always at start of buf
virtio-net: refactor receive_hdr
virtio-net: use safe iov operations for rx
virtio-net: avoid sg copy
iov: add iov_cpy
virtio-net: track host/guest header length
pcie: Convert PCIExpressHost to use the QOM.
pcie: pass pcie window size to pcie_host_mmcfg_update()
pci: Add class 0xc05 as 'SMBus'
pci: introduce pci_swizzle_map_irq_fn() for standardized interrupt pin swizzle
pci_ids: add intel 82801BA pci-to-pci bridge id
pci: pci capability must be in PCI space
pci: make each capability DWORD aligned
qemu: enable PV EOI for qemu 1.3
...
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Calling memory_region_destroy() in a transaction is illegal (and aborts),
as until the transaction is committed, the region remains live.
Fix by moving destruction until after the transaction commits. This requires
having an extra set of regions, so the new and old regions can coexist.
Signed-off-by: Avi Kivity <avi@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Modern linux supports arbitrary header size,
which makes it possible to pass mrg buf header
to tap directly without iovec mangling.
Use this capability when it is there.
This removes the need to deal with it in
vhost-net as we do now.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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There's no reason to query header support at random
times: at load or feature query.
Driver also might not query functions.
Cleaner to do it at device init.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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During packet filtering, we can now use host hdr len
to offset incoming buffer unconditionally.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Remove code duplication using guest header length that we track.
Drop specific layout requirement for rx buffers: things work
using generic iovec functions in any case.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Avoid mangling iovec manually: use safe iov_*
functions.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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We know offset is 0, assert that.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Now that we know host hdr length, we don't need to
duplicate the logic in receive_hdr: caller can
figure out the offset itself.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Avoid magling iov manually: use safe iov operations
for processing packets incoming to guest.
This also removes the requirement for virtio header to
fit the first s/g entry exactly.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Avoid tweaking iovec during receive. This removes
the need to copy the vector.
Note: we currently have an evil cast in work_around_broken_dhclient
and unfortunately this patch does not fix it - just
pushes the evil cast to another place.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Add API to copy part of iovec safely.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Tracking these in device state instead of
re-calculating on each packet. No functional
changes.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Let's use PCIExpressHost with QOM.
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Acked-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Jason Baron <jbaron@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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This allows q35 to pass/set the size of the pcie window in its update routine.
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Jason Baron <jbaron@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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[jbaron@redhat.com: add PCI_CLASS_SERIAL_SMBUS definition]
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Jason Baron <jbaron@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Introduce pci_swizzle_map_irq_fn() for interrupt pin swizzle which is
standardized. PCI bridge swizzle is common logic, by introducing
this function duplicated swizzle logic will be avoided later.
[jbaron@redhat.com: drop opaque argument]
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
Signed-off-by: Jason Baron <jbaron@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Adds pci id constants which will be used by q35.
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
Signed-off-by: Jason Baron <jbaron@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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pci capability must be in PCI space.
It can't lay in PCIe extended config space.
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
Signed-off-by: Jason Baron <jbaron@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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PCI spec (see e.g. 6.7 Capabilities List in spec rev 3.0)
requires that each capability is DWORD aligned.
Ensure this when allocating space by rounding size up to 4.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Enable KVM PV EOI by default. You can still disable it with
-kvm_pv_eoi cpu flag. To avoid breaking cross-version migration,
enable only for qemu 1.3 (or in the future, newer) machine type.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Rather than assert, simply return PCI_INTX_DISABLED when we don't
have a pci_route_irq_fn. PIIX already returns DISABLED for an
invalid pin, so users already deal with this state. Users of this
interface should only be acting on an ENABLED or INVERTED return
value (though we really have no support for INVERTED). Also
complain loudly when we hit this so we don't forget it's missing.
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Jan Kiszka <jan.kiszka@siemens.com>
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pci-assign only uses a subset of the flexibility msi_get_message()
provides, but it's still worthwhile to use it.
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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vfio-pci and pci-assign both do this on their own for setting up
direct MSI injection through KVM. Provide a helper function for
this in MSI code.
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Replace open coded version
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Calling memory_region_destroy() in a transaction is illegal (and aborts),
as until the transaction is committed, the region remains live.
Fix by moving destruction until after the transaction commits. This requires
having an extra set of regions, so the new and old regions can coexist.
Signed-off-by: Avi Kivity <avi@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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* kraxel/usb.68: (36 commits)
xhci: fix usb name in caps
xhci: make number of interrupters and slots configurable
xhci: allow disabling interrupters
xhci: flush endpoint context unconditinally
xhci: fix function name in error message
uhci: Use only one queue for ctrl endpoints
uhci: Retry to fill the queue while waiting for td completion
uhci: Always mark a queue valid when we encounter it
uhci: When the guest marks a pending td non-active, cancel the queue
uhci: Detect guest td re-use
uhci: Verify queue has not been changed by guest
uhci: Immediately free queues on device disconnect
uhci: Store ep in UHCIQueue
uhci: Make uhci_fill_queue() actually operate on an UHCIQueue
uhci: Add uhci_read_td() helper function
uhci: Rename UHCIAsync->td to UHCIAsync->td_addr
uhci: Move emptying of the queue's asyncs' queue to uhci_queue_free
uhci: Drop unnecessary forward declaration of some static functions
uhci: Don't retry on error
uhci: cleanup: Add an unlink call to uhci_async_cancel()
...
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Used to be "UTB" not "USB".
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Add properties to tweak the numbers of available interrupters and slots.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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For secondary interrupters this is explicitly allowed in the specs.
For the primary interrupter behavior is undefined, lets be friendly
and allow disabling too.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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