* fix a bug in bitops.h
* implement SD card support on integratorcp
* add a missing 'compatible' property for Cortex-A57
* add Netduino 2 machine model
* fix command line parsing bug for CPU options with multiple CPUs
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Merge remote-tracking branch 'remotes/pmaydell/tags/pull-target-arm-20150311' into staging
target-arm queue:
* fix a bug in bitops.h
* implement SD card support on integratorcp
* add a missing 'compatible' property for Cortex-A57
* add Netduino 2 machine model
* fix command line parsing bug for CPU options with multiple CPUs
# gpg: Signature made Wed Mar 11 14:14:22 2015 GMT using RSA key ID 14360CDE
# gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>"
* remotes/pmaydell/tags/pull-target-arm-20150311:
bitops.h: sextract64() return type should be int64_t, not uint64_t
integrator/cp: Implement CARDIN and WPROT signals
integrator/cp: Model CP control registers as sysbus device
target-arm: Add missing compatible property to A57
netduino2: Add the Netduino 2 Machine
stm32f205: Add the stm32f205 SoC
stm32f2xx_SYSCFG: Add the stm32f2xx SYSCFG
stm32f2xx_USART: Add the stm32f2xx USART Controller
stm32f2xx_timer: Add the stm32f2xx Timer
hw/arm/virt: fix cmdline parsing bug with CPU options and smp > 1
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
- an extension to the elf loader to allow relocations
- make the ccw bios relocatable. This allows for bigger ramdisks
or smaller guests
- Handle all slow SIGPs in QEMU (instead of kernel) for better
compliance and correctness
- tell the KVM module the maximum guest size. This allows KVM
to reduce the number or page table levels
- Several fixes/cleanups
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Merge remote-tracking branch 'remotes/borntraeger/tags/s390x-20150310' into staging
s390x/kvm: Features and fixes for 2.3
- an extension to the elf loader to allow relocations
- make the ccw bios relocatable. This allows for bigger ramdisks
or smaller guests
- Handle all slow SIGPs in QEMU (instead of kernel) for better
compliance and correctness
- tell the KVM module the maximum guest size. This allows KVM
to reduce the number or page table levels
- Several fixes/cleanups
# gpg: Signature made Wed Mar 11 10:17:13 2015 GMT using RSA key ID B5A61C7C
# gpg: Good signature from "Christian Borntraeger (IBM) <borntraeger@de.ibm.com>"
* remotes/borntraeger/tags/s390x-20150310:
s390-ccw: rebuild BIOS
s390/bios: Make the s390-ccw.img relocatable
elf-loader: Provide the possibility to relocate s390 ELF files
s390-ccw.img: Reinitialize guessing on reboot
s390-ccw.img: Allow bigger ramdisk sizes or offsets
s390x/kvm: passing max memory size to accelerator
virtio-ccw: Convert to realize()
virtio-s390: Convert to realize()
virtio-s390: s390_virtio_device_init() can't fail, simplify
s390x/kvm: enable the new SIGP handling in user space
s390x/kvm: deliver SIGP RESTART directly if stopped
s390x: add function to deliver restart irqs
s390x/kvm: SIGP START is only applicable when STOPPED
s390x/kvm: implement handling of new SIGP orders
s390x/kvm: trace all SIGP orders
s390x/kvm: helper to set the SIGP status in SigpInfo
s390x/kvm: pass the SIGP instruction parameter to the SIGP handler
s390x/kvm: more details for SIGP handler with one destination vcpu
s390x: introduce defines for SIGP condition codes
synchronize Linux headers to 4.0-rc3
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
clang undefined behaviour sanitizer reports:
> hw/pci/shpc.c:162:27: runtime error: left shift of 1 by 31 places
> cannot be represented in type 'int'
Caused by the usual lack of a 'U' qualifier on a constant 1 being
shifted left. Fix it up.
Reported-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
commit ecdc7bab09
"acpi: fix aml_equal term implementation"
dropped a useless Zero in generated code,
update expected files appropriately.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
did not have the 'name' property set.
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Merge remote-tracking branch 'remotes/amit/tags/vser-for-2.3-1' into staging
virtio-serial: fix crash on port hotplug when a previously-added port
did not have the 'name' property set.
# gpg: Signature made Wed Mar 11 11:13:53 2015 GMT using RSA key ID 854083B6
# gpg: Good signature from "Amit Shah <amit@amitshah.net>"
# gpg: aka "Amit Shah <amit@kernel.org>"
# gpg: aka "Amit Shah <amitshah@gmx.net>"
* remotes/amit/tags/vser-for-2.3-1:
virtio-serial: fix segfault on NULL port names
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Save MSACSR state. Also remove fp_status, msa_fp_status, hflags and restore
them in post_load() from the architectural registers.
Float exception flags are not present in vmstate. Information they carry
is used only by softfloat caller who translates them into MIPS FCSR.Cause,
FCSR.Flags and then they are cleared. Therefore there is no need for saving
them in vmstate.
Signed-off-by: Leon Alrae <leon.alrae@imgtec.com>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Create VMStateDescription for MIPS CPU. The new structure contains exactly the
same fields as before, therefore leaving existing version_id.
Signed-off-by: Leon Alrae <leon.alrae@imgtec.com>
The documentation for sextract64() claims that the return type is
an int64_t, but the code itself disagrees. Fix the return type to
conform to the documentation and to bring it into line with
sextract32(), which returns int32_t.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Message-id: 1423231328-15662-1-git-send-email-peter.maydell@linaro.org
This allows to use the SD card emulation of the board: Forward the
signals from the pl181 top the CP control register emulation, report the
current state via CP_INTREG, deliver CARDIN IRQ to the secondary
interrupt controller and also support clearing that line via CP_INTREG.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Message-id: c55d9fb28d19ec83625cb0074b3b6f2e5958caf6.1426004843.git.jan.kiszka@siemens.com
Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This patch adds the stm32f205 SoC. This will be used by the
Netduino 2 to create a machine.
Signed-off-by: Alistair Francis <alistair@alistair23.me>
Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Message-id: 48d509747a1ea0d8a7d5480560495e679990f9d2.1424175342.git.alistair@alistair23.me
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This patch adds the stm32f2xx System Configuration
Controller. This is used to configure what memory is mapped
at address 0 (although that is not supported) as well
as configure how the EXTI interrupts work (also not
supported at the moment).
This device is not required for basic examples, but more
complex systems will require it (as well as the EXTI device)
Signed-off-by: Alistair Francis <alistair@alistair23.me>
Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Message-id: 5d499d7b60b61d5d6dcb310b2e55411b1f53794e.1424175342.git.alistair@alistair23.me
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This patch adds the stm32f2xx USART controller
(UART also uses the same controller).
Signed-off-by: Alistair Francis <alistair@alistair23.me>
Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Message-id: 762c6c0d2a41d574932bc4445ec9bfffe6da8798.1424175342.git.alistair@alistair23.me
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This patch adds the stm32f2xx timers: TIM2, TIM3, TIM4 and TIM5
to QEMU.
Signed-off-by: Alistair Francis <alistair@alistair23.me>
Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Message-id: 155091a323390f8da3cca496e4c611c493e62a77.1424175342.git.alistair@alistair23.me
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
The recently introduced feature that allows 32 bit guests to be
executed under KVM on a 64-bit host incorrectly handles the case
where more than 1 cpu is specified using '-smp N'
For instance, this invocation of qemu
qemu-system-aarch64 -M virt -cpu cortex-a57,aarch64=off -smp 2
produces the following error
qemu-system-aarch64: Expected key=value format, found aarch64
which is caused by the destructive parsing performed by
cpu_common_parse_features(), resulting in subsequent attempts
to parse the CPU option string (for each additional CPU) to fail.
So duplicate the string before parsing it, and free it directly
afterwards.
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Reviewed-by: Greg Bellows <greg.bellows@linaro.org>
Message-id: 1425402380-10488-1-git-send-email-ard.biesheuvel@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
code assigning APIC ID.
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Merge remote-tracking branch 'remotes/ehabkost/tags/x86-pull-request' into staging
X86 patches queued in the last few weeks. Mostly code cleanup and changes on
code assigning APIC ID.
# gpg: Signature made Mon Mar 9 20:40:38 2015 GMT using RSA key ID 984DC5A6
# gpg: Can't check signature: public key not found
* remotes/ehabkost/tags/x86-pull-request:
target-i386: Require APIC ID to be explicitly set before CPU realize
target-i386: Move APIC ID compatibility code to pc.c
target-i386: Move CPUX86State::cpuid_apic_id to X86CPU::apic_id
target-i386: Remove unused APIC ID default code
target-i386: Eliminate unnecessary get_cpuid_vendor() function
target-i386: Simplify listflags() function
target-i386: Move topology.h to include/hw/i386
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Commit d0a0bfe672 added checks for port
names, but didn't add a check to ensure port->name is non-NULL. This
results in a SIGSEGV when adding a port when one of the previously-added
ports didn't have the 'name' property set.
https://bugzilla.redhat.com/show_bug.cgi?id=1192775
Reported-by: vivian zhang <vivianzhang@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Amit Shah <amit.shah@redhat.com>
rebuild bios to get latest changes:
s390/bios: Make the s390-ccw.img relocatable
s390-ccw.img: Reinitialize guessing on reboot
s390-ccw.img: Allow bigger ramdisk sizes or offsets
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
The current bios sits at location 0x7e00000 in the guest RAM
and thus prevents loading of bigger ramdisks. By making the
image relocatable we can move it to the end of the RAM so that
it is getting out of the way.
Signed-off-by: Thomas Huth <thuth@linux.vnet.ibm.com>
Message-Id: <1425895973-15239-3-git-send-email-thuth@linux.vnet.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
[Fixup build failure on 32 bit hosts]
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Merge remote-tracking branch 'remotes/mcayland/tags/qemu-sparc-signed' into staging
qemu-sparc update
# gpg: Signature made Tue Mar 10 13:39:51 2015 GMT using RSA key ID AE0F321F
# gpg: Good signature from "Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>"
* remotes/mcayland/tags/qemu-sparc-signed:
sun4u: switch m48t59 NVRAM to MMIO access
MAINTAINERS: add myself as SPARC maintainer
doc: minor updates to SPARC32 and SPARC64 documentation
m48t59: add m48t59 sysbus device
m48t59: introduce new base-year qdev property
m48t59: let init functions return a Nvram object
m48t59: add a Nvram interface
m48t59: register a QOM type for each nvram type we support
m48t59: move ISA ports/memory regions registration to QOM constructor
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Coverity/sparse fix for iscsi driver
- RCU fallout: fix -daemonize and s390x system emulation
- KVM: kvm_stat improvements and new man page
- x86: SYSRET fix for VxWorks
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Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into staging
- scsi: improvements to error reporting and conversion to realize,
Coverity/sparse fix for iscsi driver
- RCU fallout: fix -daemonize and s390x system emulation
- KVM: kvm_stat improvements and new man page
- x86: SYSRET fix for VxWorks
# gpg: Signature made Tue Mar 10 10:18:45 2015 GMT using RSA key ID 78C7AE83
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>"
# gpg: aka "Paolo Bonzini <pbonzini@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: 46F5 9FBD 57D6 12E7 BFD4 E2F7 7E15 100C CD36 69B1
# Subkey fingerprint: F133 3857 4B66 2389 866C 7682 BFFB D25F 78C7 AE83
* remotes/bonzini/tags/for-upstream:
x86: fix SS selector in SYSRET
scsi: Convert remaining PCI HBAs to realize()
scsi: Improve error reporting for invalid drive property
hw: Propagate errors through qdev_prop_set_drive()
scsi: Clean up duplicated error in legacy if=scsi code
cpus: initialize cpu->memory_dispatch
rcu: handle forks safely
qemu-thread: do not use PTHREAD_MUTEX_ERRORCHECK
kvm_stat: add kvm_stat.1 man page
kvm_stat: add column headers to text UI
iscsi: Fix check for username
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Instead of using the legacy cpu_init() function, use uc32_cpu_init() to
create a UniCore32CPU object.
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Cc: Guan Xuetao <gxt@mprc.pku.edu.cn>
Signed-off-by: Andreas Färber <afaerber@suse.de>
Instead of using the legacy cpu_init() function, use cpu_m68k_init()
directly to create a M68kCPU object.
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
This way, the cpu_init() function in target-unicore32 will follow the
same pattern used on all other architectures.
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
x86_cpu_apic_realize() calls qdev_init() to realize the APIC.
qdev_init()'s error handling has unwanted side effects: it unparents
the device, and it calls qerror_report_err().
qerror_report_err() is always inappropriate in realize methods,
because it doesn't return the Error object. It either reports the
error to stderr or the human monitor, or it stores it in the QMP
monitor, where it makes the QMP command fail even though the realize
method succeeded.
Fortunately, qdev_init() can't actually fail here, because realize
can't fail for any of the three possible APIC device models.
Clean up by cutting out the qdev_init() middle-man: set property
"realized" directly.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
The CPUClass QOM methods virtio_is_big_endian, write_elf{32,64}_note
and write_elf{32,64}_qemunote were added without any description
being added to the doc comment. Correct this omission.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Acked-by: Greg Kurz <gkurz@linux.vnet.ibm.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
The DefLEqual op does not have a target operand. Remove it.
Signed-off-by: Marcel Apfelbaum <marcel@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Opcodes are raw bytes, they shouldn't be added
using build_append_int. This only happens to work
with 0 and 1 opcodes.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
this code:
aml_append(foo, bar);
might, non-intuitively, modify bar, which means that e.g. the following
might not DTRT:
c = ....;
aml_append(a, c);
aml_append(b, c);
to fix, simply allocate an intermediate array,
and always modify that.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
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Merge remote-tracking branch 'remotes/kevin/tags/for-upstream' into staging
Block patches for 2.3
# gpg: Signature made Tue Mar 10 13:03:17 2015 GMT using RSA key ID C88F2FD6
# gpg: Good signature from "Kevin Wolf <kwolf@redhat.com>"
* remotes/kevin/tags/for-upstream: (73 commits)
MAINTAINERS: Add jcody as blockjobs, block devices maintainer
iotests: add O_DIRECT alignment probing test
block/raw-posix: fix launching with failed disks
MAINTAINERS: Add jsnow as IDE maintainer
sheepdog: Fix misleading error messages in sd_snapshot_create()
Add testcase for scsi-hd devices without drive property
scsi-hd: fix property unset case
block/vdi: Add locking for parallel requests
iotests: Drop vpc from 004's and 104's format list
iotests: Remove 006
iotests: Fix 051's reference output
virtio-blk: Remove the stale FIXME comment
tests: Check QVIRTIO_F_ANY_LAYOUT flag in virtio-blk test
libqos: Solve bug in interrupt checking when using MSIX in virtio-pci.c
sheepdog: fix confused return values
qtest/ahci: add fragmented dma test
qtest/ahci: Add PIO and LBA48 tests
qtest/ahci: Add DMA test variants
libqos/ahci: add ahci command helpers
qtest/ahci: Add a macro bootup routine
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
The block layer maintainership is being split up into smaller, more
manageable pieces.
I propose that I take over / assist with the following areas:
* blockjobs
* archipelago
* curl
* gluster
* nfs
* rbd
* sheepdog
* ssh
* vhdx
As John Snow noted in a different patch:
As we split out the block layer, we will begin using the qemu-block
mailing list as a catchall for all of the block layer subcomponents.
Please CC qemu-block@nongnu.org for all block layer patches, including
any that touch the above listed areas.
Signed-off-by: Jeff Cody <jcody@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This test case checks that image files can be opened even if I/O
produces EIO errors. QEMU should not refuse opening failed disks since
the guest may be configured for multipath I/O where accessing failed
disks is expected.
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Since commit c25f53b06e ("raw: Probe
required direct I/O alignment") QEMU has failed to launch if image files
produce I/O errors.
Previously, QEMU would launch successfully and the guest would see the
errors when attempting I/O.
This is a regression and may prevent multipath I/O inside the guest,
where QEMU must launch and let the guest figure out by itself which
disks are online.
Tweak the alignment probing code in raw-posix.c to explicitly look for
EINVAL on Linux instead of bailing. The kernel refuses misaligned
requests with this error code and other error codes can be ignored.
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
It has been proposed that the block layer be split up into smaller,
more manageable portions to help speed up the review and merging of
block layer patches.
As part of this process, I propose that I take over the IDE, ATA, ATAPI
and FD devices.
As we split out the block layer, we will begin using the qemu-block
mailing list as a catchall for all of the block layer subcomponents.
Please CC qemu-block@nongnu.org for all block layer patches, including
any that touch the IDE/Floppy devices.
Signed-off-by: John Snow <jsnow@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
If do_sd_create() fails, it first reports the error returned, then
reports a another one with strerror(errno). errno is meaningless at
that point.
Report just one error combining the valid information from both
messages.
Reported-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Liu Yuan <namei.unix@gmail.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Lets add a test for scsi devices without a drive. This was broken
by a recent block patch, thus indicating that we need a testcase.
Suggested-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Commit c53659f0 ("BlockConf: Call backend functions to detect geometry
and blocksizes") causes a segmentation fault on the invalid
configuration of a scsi device without a drive.
Let's check for conf.blk before calling blkconf_blocksizes. The error
will be handled later on in scsi_realize anyway.
Reported-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Ekaterina Tumanova <tumanova@linux.vnet.ibm.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
When allocating a new cluster, the first write to it must be the one
doing the allocation, because that one pads its write request to the
cluster size; if another write to that cluster is executed before it,
that write will be overwritten due to the padding.
See https://bugs.launchpad.net/qemu/+bug/1422307 for what can go wrong
without this patch.
Cc: qemu-stable <qemu-stable@nongnu.org>
Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Both tests require the test image to have a specific size; this cannot
be guaranteed by vpc (unless tuning the test specifically for that
format).
It is safe to exclude vpc from 004 because what is tested there is
implemented in a generic part in the block layer and not
format-specific.
It is safe to exclude vpc from 104 because for vpc basically every image
size is "unaligned", so if that would break at some point in time, we
would quickly notice just by running the generic tests.
Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
vpc does support images > 127 GB if done correctly. qemu does it
correctly. Remove the test pretending otherwise.
Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Commit c4bacafb71 changed (improved)
qdev_init_nofail()'s error reporting, which affects iotest 051. Fix the
reference output.
Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
By default, we have ioeventfd enabled, so the IO request processing is
in IO thread; in the vcpu thread, guest mode is returned to as quickly
as possible, and completion is delivered via irqfd. Therefore this
comment from the initial implementation is barely relevant.
Signed-off-by: Fam Zheng <famz@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Check the QVIRTIO_F_ANY_LAYOUT flag before performing operations with 2
descriptor layout. This is to follow the specification strictly.
This patch depends on:
[PATCH v5 0/5] libqos: Virtio MMIO driver
Signed-off-by: Marc Marí <marc.mari.barcelo@gmail.com>
Message-id: 1424815154-27243-1-git-send-email-marc.mari.barcelo@gmail.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
The MSIX interrupt was always acked without checking its value, which caused a
race condition. If the ISR was raised between the read and the acking, the ISR
was never detected and it timed out.
Signed-off-by: Marc Marí <marc.mari.barcelo@gmail.com>
Reviewed-by: John Snow <jsnow@redhat.com>
Tested-by: John Snow <jsnow@redhat.com>
Message-id: 1424795655-16952-1-git-send-email-marc.mari.barcelo@gmail.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
These functions mix up -1 and -errno in return values and would might cause
trouble error handling in the call chain.
This patch let them return -errno and add some comments.
Cc: qemu-devel@nongnu.org
Cc: Markus Armbruster <armbru@redhat.com>
Cc: Kevin Wolf <kwolf@redhat.com>
Cc: Stefan Hajnoczi <stefanha@redhat.com>
Reported-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Liu Yuan <liuyuan@cmss.chinamobile.com>
Message-id: 1424231875-7131-1-git-send-email-namei.unix@gmail.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Peter Maydell
Michael S. Tsirkin
Leon Alrae
Jan Kiszka
Ryota Ozaki
Alistair Francis
Ard Biesheuvel
Amit Shah
Christian Borntraeger
Thomas Huth
Eduardo Habkost
Markus Armbruster
Marcel Apfelbaum
Jeff Cody
Stefan Hajnoczi
John Snow
Ekaterina Tumanova
Max Reitz
Fam Zheng
Marc Marí
Liu Yuan