All get_st_gen() implementations except handle_ioc_getversion() have
guard for undefined FS_IOC_GETVERSION. Let's add it there too.
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
v9fs_co_st_gen() expects to see error code in errno, not in return code.
Let's fix this.
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
* implementation of first part of the A64 Neon instruction set
* v8 AArch32 rounding and 16<->64 fp conversion instructions
* fix MIDR value on Zynq boards
* some minor bugfixes/code cleanups
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Merge remote-tracking branch 'pmaydell/tags/pull-target-arm-20140131' into staging
target-arm queue:
* implementation of first part of the A64 Neon instruction set
* v8 AArch32 rounding and 16<->64 fp conversion instructions
* fix MIDR value on Zynq boards
* some minor bugfixes/code cleanups
# gpg: Signature made Fri 31 Jan 2014 15:06:34 GMT using RSA key ID 14360CDE
# gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>"
* pmaydell/tags/pull-target-arm-20140131: (34 commits)
arm_gic: Fix GICD_ICPENDR and GICD_ISPENDR writes
arm_gic: Introduce define for GIC_NR_SGIS
target-arm: A64: Add SIMD shift by immediate
target-arm: A64: Add simple SIMD 3-same floating point ops
target-arm: A64: Add integer ops from SIMD 3-same group
target-arm: A64: Add logic ops from SIMD 3 same group
target-arm: A64: Add top level decode for SIMD 3-same group
target-arm: A64: Add SIMD scalar 3 same add, sub and compare ops
target-arm: A64: Add SIMD three-different ABDL instructions
target-arm: A64: Add SIMD three-different multiply accumulate insns
target-arm: Add AArch32 SIMD VCVTA, VCVTN, VCVTP and VCVTM
target-arm: Add AArch32 FP VCVTA, VCVTN, VCVTP and VCVTM
target-arm: Add AArch32 SIMD VRINTA, VRINTN, VRINTP, VRINTM, VRINTZ
target-arm: Add set_neon_rmode helper
target-arm: Add support for AArch32 SIMD VRINTX
target-arm: Add support for AArch32 FP VRINTX
target-arm: Add support for AArch32 FP VRINTZ
target-arm: Add support for AArch32 FP VRINTR
target-arm: Add AArch32 FP VRINTA, VRINTN, VRINTP and VRINTM
target-arm: Move arm_rmode_to_sf to a shared location.
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Fix two bugs that would allow changing the state of SGIs through the
ICPENDR and ISPENDRs.
Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Instead of hardcoding 16 various places in the code, use a define to
make it more clear what is going on.
Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
For blizzard, pl110 and tc6393xb this is harmless, but for pxa2xx
Coverity noticed that it is used inside an "if" statement.
Fix it because it's the file with the highest number of defects
in the whole QEMU tree! Use "do...while (0)", or just remove the
semicolon if there's a single statement in the macro.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This patch uses the fact that the midr variable is now a property
This patch sets the midr variable to the boards custom midr
Signed-off-by: Alistair Francis <alistair.francis@xilinx.com>
Message-id: a3754b10d150af72e4688a993e484fa2b9b8fa21.1390176489.git.alistair.francis@xilinx.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
The code which decides whether to set up the ATAGS data structure on
reset was using the wrong conditional, which meant we were creating
an ATAGS structure when doing a device-tree boot if the dtb was
autogenerated by the board. This is harmless, but unnecessary, so
bring it in to line with user-provided-dtb boots.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Message-id: 1388326833-656-1-git-send-email-peter.maydell@linaro.org
This includes new unit-tests for acpi by Marcel,
hotplug for pci bridges by myself (piix only so far)
and cpu hotplug for q35.
And a bunch of fixes all over the place as usual.
I included the patch to fix memory alignment for q35
as well - even though it limits 32 bit guests to 3G (they
previously could address more memory with PAE).
To remove the limit, this will have to be fixed in seabios.
I also added self as virtio co-maintainer so I don't need
to troll the list for patches to review.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge remote-tracking branch 'mst/tags/for_anthony' into staging
acpi,pci,pc,virtio fixes and enhancements
This includes new unit-tests for acpi by Marcel,
hotplug for pci bridges by myself (piix only so far)
and cpu hotplug for q35.
And a bunch of fixes all over the place as usual.
I included the patch to fix memory alignment for q35
as well - even though it limits 32 bit guests to 3G (they
previously could address more memory with PAE).
To remove the limit, this will have to be fixed in seabios.
I also added self as virtio co-maintainer so I don't need
to troll the list for patches to review.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
# gpg: Signature made Sun 26 Jan 2014 11:12:09 GMT using RSA key ID D28D5469
# gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>"
# gpg: aka "Michael S. Tsirkin <mst@redhat.com>"
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg: There is no indication that the signature belongs to the owner.
# Primary key fingerprint: 0270 606B 6F3C DF3D 0B17 0970 C350 3912 AFBE 8E67
# Subkey fingerprint: 5D09 FD08 71C8 F85B 94CA 8A0D 281F 0DB8 D28D 5469
* mst/tags/for_anthony: (35 commits)
MAINTAINERS: add self as virtio co-maintainer
q35: document gigabyte_align
q35: gigabyte alignment for ram
acpi: Fix PCI hole handling on build_srat()
pc: Save size of RAM below 4GB
hw/pci: fix error flow in pci multifunction init
acpi-test: update expected AML since recent changes
pc: ACPI: update acpi-dsdt.hex.generated q35-acpi-dsdt.hex.generated
pc: ACPI: unify source of CPU hotplug IO base/len
pc: ACPI: expose PRST IO range via _CRS
pc: Q35 DSDT: exclude CPU hotplug IO range from PCI bus resources
pc: PIIX DSDT: exclude CPU/PCI hotplug & GPE0 IO range from PCI bus resources
pc: set PRST base in DSDT depending on chipset
acpi: ich9: add CPU hotplug handling to Q35 machine
acpi: factor out common cpu hotplug code for PIIX4/Q35
acpi-build: enable hotplug for PCI bridges
piix4: add acpi pci hotplug support
pcihp: generalization of piix4 acpi
pci: add pci_for_each_bus_depth_first
pc: make: fix dependencies: rebuild when included file is changed
...
Message-id: 1390735289-15563-1-git-send-email-mst@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Merge remote-tracking branch 'stefanha/tags/net-pull-request' into staging
Net patches
# gpg: Signature made Mon 27 Jan 2014 14:45:35 GMT using RSA key ID 81AB73C8
# gpg: Can't check signature: public key not found
* stefanha/tags/net-pull-request:
tap-linux: Get features once and use it many times
Fix lan9118 buffer length handling
Fix lan9118 TX "CMD A" handling
net: Use g_strdup_printf instead of snprintf.
Message-id: 1390834129-19625-1-git-send-email-stefanha@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
in addition fix default backend leak by releasing it if its
initialization failed.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Change to DEBUG_VFIO in vfio_msi_interrupt() for debug
messages to get printed
Signed-off-by: Bandan Das <bsd@redhat.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
The 9118 ethernet controller supports transmission of multi-buffer packets
with arbitrary byte alignment of the start and end bytes. All writes to
the packet fifo are 32 bits, so the controller discards bytes at the beginning
and end of each buffer based on the 'Data start offset' and 'Buffer size'
of the TX command 'A' format.
This patch uses the provided buffer length to limit the bytes transmitted.
Previously all the bytes of the last 32-bit word written to the TX fifo
were added to the internal transmit buffer structure resulting in more bytes
being transmitted than were submitted to the hardware in the command. This
resulted in extra bytes being inserted into the middle of multi-buffer
packets when the non-final buffers had non-32bit aligned ending addresses.
Signed-off-by: Roy Franz <roy.franz@linaro.org>
Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
The 9118 ethernet controller supports transmission of multi-buffer packets
with arbitrary byte alignment of the start and end bytes. All writes to
the packet fifo are 32 bits, so the controller discards bytes at the beginning
and end of each buffer based on the 'Data start offset' and 'Buffer size'
of the TX command 'A' format.
This patch changes the buffer size and offset internal state variables to be
updated on every "TX command A" write. Previously they were only updated for
the first segment, which resulted incorrect behavior for packets with more
than one segment. Each segment of the packet has its own CMD A command, with
its own buffer size and start offset.
Also update extraction of fields from the CMD A word to use extract32().
Signed-off-by: Roy Franz <roy.franz@linaro.org>
Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Map 2G (q35) of memory below 4G, so the RAM pieces
are nicely aligned to gigabyte borders.
Keep old memory layout for (a) old machine types and (b) in case all
memory fits below 4G and thus we don't have to split RAM into pieces
in the first place. The later makes sure this change doesn't take
away memory from 32bit guests.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
The original SeaBIOS code used the RamSize variable, that was used by
SeaBIOS for the size of RAM below 4GB, not for all RAM. When copied to
QEMU, the code was changed to use the full RAM size, and this broke the
build_srat() code that handles the PCI hole.
Change build_srat() to use ram_size_below_4g instead of ram_size, to
restore the original behavior from SeaBIOS.
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
The ram_below_4g value will be useful in other places, such as the ACPI
table code, and other code that currently requires passing
below_4g_mem_size around in function arguments.
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Scenario:
- There is a non multifunction pci device A on 00:0X.0.
- Hot-plug another multifunction pci device B at 00:0X.1.
- The operation will fail of course.
- Try to hot-plug the B device 2-3 more times, qemu will crash.
Reason: The error flow leaves the B's address space into global address spaces
list, but the device object is freed. Fixed that.
Signed-off-by: Marcel Apfelbaum <marcel.a@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
use C headers defines as source of IO base/len for respective
values in ASL code.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
.. so OSPM could notice resource conflict if there is any.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
... for range defined at hw/acpi/ich9.c:ICH9_PROC_BASE
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
.. so that they might not be used by PCI devices.
Note:
Resort to concatenating templates with preprocessor help,
because 1.0b spec isn't supporting ConcatenateResTemplate,
as result Windows XP fails to execute PCI0._CRS method if
ConcatenateResTemplate() is used.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
.. use IO port 0cd8-0xcf7 range for CPU present bitmap
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
.. so it could be used for adding CPU hotplug to Q35 machine
Add an additional header with that will be shared between
C and ASL code: include/hw/acpi/cpu_hotplug_defs.h
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This enables support for device hotplug behind
pci bridges. Bridge devices themselves need
to be pre-configured on qemu command line.
Design:
- at machine init time, assign "bsel" property to bridges with
hotplug support
- dynamically (At ACPI table read) generate ACPI code to handle
hotplug events for each bridge with "bsel" property
Note: ACPI doesn't support adding or removing bridges by hotplug.
We detect and prevent removal of bridges by hotplug,
unless they were added by hotplug previously
(and so, are not described by ACPI).
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Add support for acpi pci hotplug using the
new infrastructure.
PIIX4 legacy interface is maintained as is for
machine types 1.7 and older.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Add ACPI based PCI hotplug library with bridge hotplug
support.
Design
- each bus gets assigned "bsel" property.
- ACPI code writes this number
to a new BNUM register, then uses existing
UP/DOWN registers to probe slot status;
to eject, write number to BNUM register,
then slot into existing EJ.
The interface is actually backwards-compatible with
existing PIIX4 ACPI (though not migration compatible).
This is split out from PIIX4 codebase so we can
reuse it for Q35 as well.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
some *.dsl files include another *.dsl files but there weren't
any dependicies and when included file changed target table wasn't
rebuild. Fix this by using the same auto dependency generation
as for C files.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
cgcc complains that -ENOSYS is not a good value for 'bool'.
A dummy virtio will never have pending queue entries, so let us return
false.
Signed-off-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Minimize the storage used for AppleSMC's _STA (8bit), relying on ASL
to implicitly convert it to the officially specified 32bit value.
Signed-off-by: Gabriel Somlo <somlo@cmu.edu>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
AppleSMC (-device isa-applesmc) is required to boot OS X guests.
OS X expects a SMC node to be present in the ACPI DSDT. This patch
adds a SMC node to the DSDT, and dynamically patches the return value
of SMC._STA to either 0x0B if the chip is present, or otherwise to 0x00,
before booting the guest.
Signed-off-by: Gabriel Somlo <somlo@cmu.edu>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge remote-tracking branch 'kraxel/tags/pull-usb-2' into staging
usb core+hid: add support for microsoft os descriptors
# gpg: Signature made Tue 21 Jan 2014 02:21:29 AM PST using RSA key ID D3E87138
# gpg: Can't check signature: public key not found
* kraxel/tags/pull-usb-2:
usb-hid: add microsoft os descriptor support
usb: add support for microsoft os descriptors
Message-id: 1390299772-5368-1-git-send-email-kraxel@redhat.com
Signed-off-by: Anthony Liguori <aliguori@amazon.com>
* bonzini/scsi-next:
scsi: Support TEST UNIT READY in the dummy LUN0
block: add .bdrv_reopen_prepare() stub for iscsi
virtio-scsi: Prevent assertion on missed events
virtio-scsi: Cleanup of I/Os that never started
scsi: Assign cancel_io vector for scsi_disk_emulate_ops
Conflicts:
block/iscsi.c
aliguori: resolve trivial merge conflict in block/iscsi.c
Signed-off-by: Anthony Liguori <aliguori@amazon.com>
The alignment field is now set to the value that is promised to the
guest, rather than required by the host. The next patches will make
QEMU aware of the host-provided values, so make this clear.
The alignment is also not about memory buffers, but about the sectors on
the disk, change the documentation of the field.
At this point, the field is set by the device emulation, but completely
ignored by the block layer.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Wenchao Xia <xiawenc@linux.vnet.ibm.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Benoit Canet <benoit@irqsave.net>
Propagate the error return value from get_indirect(). This bug was
introduced in commit 4d684832 ("vring: create a common function to parse
descriptors").
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
VFIO virtualizes MSIX table for the guest but not mapping the part of
a BAR which contains an MSIX table. Since vfio_mmap_bar() mmaps chunks
before and after the MSIX table, they have to be aligned to the host
page size which may be TARGET_PAGE_MASK (4K) or 64K in case of PPC64.
This fixes boundaries calculations to use the real host page size.
Without the patch, the chunk before MSIX table may overlap with the MSIX
table and mmap will fail in the host kernel. The result will be serious
slowdown as the whole BAR will be emulated by QEMU.
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
QEMU does not need and should not allocate memory for the ROM of a
passthrough PCI device. So this patch initialize the particular region
like any other PCI BAR of a passthrough device.
When a guest will access the ROM, Xen will take care of the IO, QEMU
will not be involved in it.
Xen set a limit of memory available for each guest, allocating memory
for a ROM can hit this limit.
Signed-off-by: Anthony PERARD <anthony.perard@citrix.com>
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Reported-and-Tested-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
The framebuffer is needlessly mapped (PROT_READ | PROT_WRITE), map it
PROT_READ instead.
The framebuffer is unmapped by replacing the framebuffer pages with
anonymous shared memory, calling mmap. Check for return errors and print
a warning.
Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
The vfio-pci initfn will currently succeed even if DMA mappings fail.
A typical reason for failure is if the user does not have sufficient
privilege to lock all the memory for the guest. In this case, the
device gets attached, but can only access a portion of guest memory
and is extremely unlikely to work.
DMA mappings are done via a MemoryListener, which provides no direct
error return path. We therefore stuff the errno into our container
structure and check for error after registration completes. We can
also test for mapping errors during runtime, but our only option for
resolution at that point is to kill the guest with a hw_error.
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Kirill A. Shutemov
Peter Maydell
Christoffer Dall
Paolo Bonzini
Alistair Francis
Igor Mammedov
Bandan Das
Roy Franz
Michael S. Tsirkin
Gerd Hoffmann
Eduardo Habkost
Marcel Apfelbaum
Stefan Weil
Gabriel L. Somlo
Anthony Liguori
Stefan Hajnoczi
Alexey Kardashevskiy
Anthony PERARD
Stefano Stabellini
Alex Williamson