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2012-10-05vnc: Fix spelling (hellmen -> hellman) in commentStefan Weil1-1/+1
The algorithm was named after Martin E. Hellman. Signed-off-by: Stefan Weil <sw@weilnetz.de> Signed-off-by: Stefan Hajnoczi <stefanha@gmail.com>
2012-10-05slirp: Fix spelling in comment (enought -> enough, insure -> ensure)Stefan Weil1-2/+2
Signed-off-by: Stefan Weil <sw@weilnetz.de> Signed-off-by: Stefan Hajnoczi <stefanha@gmail.com>
2012-10-05tcg/arm: Use tcg_out_mov_reg rather than inline equivalent codePeter Maydell1-12/+3
Use the recently introduced tcg_out_mov_reg() function rather than the equivalent inline code. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Aurelien Jarno <aurelien@aurel32.net> Signed-off-by: Stefan Hajnoczi <stefanha@gmail.com>
2012-10-05cpu: Add missing 'static' attribute to qemu_global_mutexStefan Weil1-1/+1
Contrary to its name, 'qemu_global_mutex' is only used locally in cpus.c. Signed-off-by: Stefan Weil <sw@weilnetz.de> Signed-off-by: Stefan Hajnoczi <stefanha@gmail.com>
2012-10-05configure: Support empty target list (--target-list=)Stefan Weil1-2/+3
Specifying an empty target list with --target-list= is shorter than specifying --disable-user --disable-system. Both variants should give the same result: no targets at all. This modification implements that feature. It uses a trick which works with POSIX compliant shells to test whether target_list is undefined (=> default targets) or empty (=> no targets). Signed-off-by: Stefan Weil <sw@weilnetz.de> Signed-off-by: Stefan Hajnoczi <stefanha@gmail.com>
2012-10-05hw: Fix return value check for bdrv_read, bdrv_writeStefan Weil3-20/+32
Those functions return -errno in case of an error. The old code would typically only detect EPERM (1) errors. Signed-off-by: Stefan Weil <sw@weilnetz.de> Signed-off-by: Stefan Hajnoczi <stefanha@gmail.com>
2012-10-04Merge remote-tracking branch 'sstabellini/xen-2012-10-03' into stagingAnthony Liguori10-53/+142
* sstabellini/xen-2012-10-03: xen: Set the vram dirty when an error occur. exec, memory: Call to xen_modified_memory. exec: Introduce helper to set dirty flags. xen: Introduce xen_modified_memory. QMP, Introduce xen-set-global-dirty-log command. qemu/xen: Add 64 bits big bar support on qemu xen: Fix, no unplug of pt device by platform device.
2012-10-04Merge remote-tracking branch 'kwolf/for-anthony' into stagingAnthony Liguori40-426/+4923
* kwolf/for-anthony: (30 commits) qemu-iotests: add tests for streaming error handling qemu-iotests: map underscore to dash in QMP argument names blkdebug: process all set_state rules in the old state stream: add on-error argument block: introduce block job error iostatus: reorganize io error code iostatus: change is_read to a bool iostatus: move BlockdevOnError declaration to QAPI iostatus: rename BlockErrorAction, BlockQMPEventAction qemu-iotests: add test for pausing a streaming operation qmp: add block-job-pause and block-job-resume block: add support for job pause/resume qmp: add 'busy' member to BlockJobInfo block: add block_job_query block: move job APIs to separate files block: fix documentation of block_job_cancel_sync qerror/block: introduce QERR_BLOCK_JOB_NOT_ACTIVE qemu-iotests: add initial tests for live block commit QAPI: add command for live block commit, 'block-commit' block: helper function, to find the base image of a chain ...
2012-10-04Merge remote-tracking branch 'qmp/queue/qmp' into stagingAnthony Liguori16-155/+517
* qmp/queue/qmp: block: live snapshot documentation tweaks input: index_from_key(): drop unused code qmp: qmp_send_key(): accept key codes in hex input: qmp_send_key(): simplify hmp: dump-guest-memory: hardcode protocol argument to "file:" qmp: dump-guest-memory: don't spin if non-blocking fd would block qmp: dump-guest-memory: improve schema doc (again) qapi: convert add_client monitor: add Error * argument to monitor_get_fd pci-assign: use monitor_handle_fd_param qapi: add "unix" to the set of reserved words qapi: do not protect enum values from namespace pollution Add qemu-ga-client script Support settimeout in QEMUMonitorProtocol Make negotiation optional in QEMUMonitorProtocol
2012-10-04Merge remote-tracking branch 'mst/tags/for_anthony' into stagingAnthony Liguori6-22/+34
* mst/tags/for_anthony: virtio-serial-bus: let chardev know the exact number of bytes requested virtio: Introduce virtqueue_get_avail_bytes() virtio: use unsigned int for counting bytes in vq iov: add const annotation virtio-net: fix used len for tx virtio: don't mark unaccessed memory as dirty
2012-10-04Merge remote-tracking branch 'kraxel/usb.66' into stagingAnthony Liguori4-109/+140
* kraxel/usb.66: usb: Fix usb_packet_map() in the presence of IOMMUs usb-redir: Adjust pkg-config check for usbredirparser .pc file rename (v2) ehci: Fix interrupt packet MULT handling xhci: create a memory region for each port xhci: route string & usb hub support xhci: tweak limits compat: turn off msi/msix on xhci for old machine types add pc-1.3 machine type Conflicts: hw/pc_piix.c Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2012-10-04Make target_phys_addr_t 64 bits unconditionallyAvi Kivity13-75/+13
The hassle and compile time overhead of maintaining both 32-bit and 64-bit capable source isn't worth the tiny performance advantage which is seen on a minority of configurations. Switch to compiling libhw only once, with target_phys_addr_t unconditionally typedefed to uint64_t. Signed-off-by: Avi Kivity <avi@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2012-10-03xen: Set the vram dirty when an error occur.Anthony PERARD1-1/+2
If the call to xc_hvm_track_dirty_vram() fails, then we set dirtybit on all the video ram. This case happens during migration. Signed-off-by: Anthony PERARD <anthony.perard@citrix.com> Acked-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
2012-10-03exec, memory: Call to xen_modified_memory.Anthony PERARD2-0/+3
This patch add some calls to xen_modified_memory to notify Xen about dirtybits during migration. Signed-off-by: Anthony PERARD <anthony.perard@citrix.com> Reviewed-by: Avi Kivity <avi@redhat.com>
2012-10-03exec: Introduce helper to set dirty flags.Anthony PERARD1-35/+17
This new helper/hook is used in the next patch to add an extra call in a single place. Signed-off-by: Anthony PERARD <anthony.perard@citrix.com> Reviewed-by: Avi Kivity <avi@redhat.com>
2012-10-03xen: Introduce xen_modified_memory.Anthony PERARD3-0/+26
This function is to be used during live migration. Every write access to the guest memory should call this funcion so the Xen tools knows which pages are dirty. Signed-off-by: Anthony PERARD <anthony.perard@citrix.com> Acked-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
2012-10-03QMP, Introduce xen-set-global-dirty-log command.Anthony PERARD4-0/+57
This command is used during a migration of a guest under Xen. It calls memory_global_dirty_log_start or memory_global_dirty_log_stop according to the argument pass to the command. Signed-off-by: Anthony PERARD <anthony.perard@citrix.com> Reviewed-by: Luiz Capitulino <lcapitulino@redhat.com>
2012-10-03qemu/xen: Add 64 bits big bar support on qemuXudong Hao2-15/+31
Currently it is assumed PCI device BAR access < 4G memory. If there is such a device whose BAR size is larger than 4G, it must access > 4G memory address. This patch enable the 64bits big BAR support on qemu. Signed-off-by: Xudong Hao <xudong.hao@intel.com> Signed-off-by: Xiantao Zhang <xiantao.zhang@intel.com> Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
2012-10-03xen: Fix, no unplug of pt device by platform device.Anthony PERARD1-2/+6
The Xen platform device will unplug any NICs if requested by the guest (PVonHVM) including a NIC that would have been passthrough. This patch makes sure that a passthrough device will not be unplug. Reported-by: "Zhang, Yang Z" <yang.z.zhang@intel.com> Signed-off-by: Anthony PERARD <anthony.perard@citrix.com> Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
2012-10-01fpu/softfloat.c: Return correctly signed values from uint64_to_float32Peter Maydell1-2/+2
The uint64_to_float32() conversion function was incorrectly always returning numbers with the sign bit set (ie negative numbers). Correct this so we return positive numbers instead. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2012-10-01fpu/softfloat.c: Remove pointless shift of always-zero valuePeter Maydell1-1/+1
In float16_to_float32, when returning an infinity, just pass zero as the mantissa argument to packFloat32(), rather than shifting a value which we know must be zero. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
2012-10-01vfio_pci: fix build on 32-bit systemsAnthony Liguori1-1/+1
We cannot cast directly from pointer to uint64. Cc: Alex Williamson <alex.williamson@redhat.com> Cc: Alex Barcelo <abarcelo@ac.upc.edu> Reported-by: Alex Barcelo <abarcelo@ac.upc.edu> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2012-10-01vfio: Enable vfio-pci and mark supportedAlex Williamson2-1/+7
Enabled for all softmmu guests supporting PCI on Linux hosts. Note that currently only x86 hosts have the kernel side VFIO IOMMU support for this. PPC (g3beige) is the only non-x86 guest known to work. ARM (veratile) hangs in firmware, others untested. Signed-off-by: Alex Williamson <alex.williamson@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2012-10-01vfio: vfio-pci device assignment driverAlex Williamson2-0/+1978
This adds the core of the QEMU VFIO-based PCI device assignment driver. To make use of this driver, enable CONFIG_VFIO, CONFIG_VFIO_IOMMU_TYPE1, and CONFIG_VFIO_PCI in your host Linux kernel config. Load the vfio-pci module. To assign device 0000:05:00.0 to a guest, do the following: for dev in $(ls /sys/bus/pci/devices/0000:05:00.0/iommu_group/devices); do vendor=$(cat /sys/bus/pci/devices/$dev/vendor) device=$(cat /sys/bus/pci/devices/$dev/device) if [ -e /sys/bus/pci/devices/$dev/driver ]; then echo $dev > /sys/bus/pci/devices/$dev/driver/unbind fi echo $vendor $device > /sys/bus/pci/drivers/vfio-pci/new_id done See Documentation/vfio.txt in the Linux kernel tree for further description of IOMMU groups and VFIO. Then launch qemu including the option: -device vfio-pci,host=0000:05:00.0 Legacy PCI interrupts (INTx) currently makes use of a kludge where we trap BAR accesses and assume the access is in response to an interrupt, therefore de-asserting and unmasking the interrupt. It's not quite as targetted as using the EOI for this, but it's self contained and seems to work across all architectures. The side-effect is a significant performance slow-down for device in INTx mode. Some devices, like graphics cards, don't really use their interrupt, so this can be turned off with the x-intx=off option, which disables INTx alltogether. This should be considered an experimental option until we refine this code. Both MSI and MSI-X are supported and avoid these issues. Signed-off-by: Alex Williamson <alex.williamson@redhat.com> Acked-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2012-10-01Update Linux kernel headersAlex Williamson1-0/+368
Based on Linux as of 1a95620. Signed-off-by: Alex Williamson <alex.williamson@redhat.com> Acked-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2012-10-01Update kernel header script to include vfioAlex Williamson1-1/+1
Signed-off-by: Alex Williamson <alex.williamson@redhat.com> Acked-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2012-10-01x86: Implement SMEP and SMAPH. Peter Anvin6-49/+207
This patch implements Supervisor Mode Execution Prevention (SMEP) and Supervisor Mode Access Prevention (SMAP) for x86. The purpose of the patch, obviously, is to help kernel developers debug the support for those features. A fair bit of the code relates to the handling of CPUID features. The CPUID code probably would get greatly simplified if all the feature bit words were unified into a single vector object, but in the interest of producing a minimal patch for SMEP/SMAP, and because I had very limited time for this project, I followed the existing style. [ v2: don't change the definition of the qemu64 CPU shorthand, since that breaks loading old snapshots. Per Anthony Liguori this can be fixed once the CPU feature set is snapshot. Change the coding style slightly to conform to checkpatch.pl. ] Signed-off-by: H. Peter Anvin <hpa@linux.intel.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2012-09-30i386: -cpu help: remove reference to specific CPUID leaves/registersEduardo Habkost1-4/+4
The -cpu configuration interface is based on a list of feature names or properties, on a single namespace, so there's no need to mention on which CPUID leaf/register each flag is located. Signed-off-by: Eduardo Habkost <ehabkost@redhat.com> Reviewed-by: Don Slutz <Don@CloudSwitch.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2012-09-30i386: cpu: eliminate duplicate feature namesEduardo Habkost1-8/+23
Instead of having duplicate feature names on the ext2_feature array for the AMD feature bit aliases, we keep the feature names only on the feature_name[] array, and copy the corresponding bits to cpuid_ext2_features in case the CPU vendor is AMD. This will: - Make sure we don't set the feature bit aliases on Intel CPUs; - Make it easier to convert feature bits to CPU properties, as now we have a single bit on the x86_def_t struct for each CPU feature. Signed-off-by: Eduardo Habkost <ehabkost@redhat.com> Reviewed-by: Don Slutz <Don@CloudSwitch.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2012-09-30i386: cpu: replace EXT2_FEATURE_MASK with CPUID_EXT2_AMD_ALIASESEduardo Habkost1-9/+11
Both constants have the same value, but CPUID_EXT2_AMD_ALIASES is defined without using magic numbers. Signed-off-by: Eduardo Habkost <ehabkost@redhat.com> Reviewed-by: Don Slutz <Don@CloudSwitch.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2012-09-30i386: kvm: use a #define for the set of alias feature bitsEduardo Habkost2-1/+13
Instea of using a hardcoded hex constant, define CPUID_EXT2_AMD_ALIASES as the set of CPUID[8000_0001].EDX bits that on AMD are the same as the bits of CPUID[1].EDX. Signed-off-by: Eduardo Habkost <ehabkost@redhat.com> Reviewed-By: Igor Mammedov <imammedo@redhat.com> Reviewed-by: Don Slutz <Don@CloudSwitch.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2012-09-30i386: kvm: bit 10 of CPUID[8000_0001].EDX is reservedEduardo Habkost1-1/+1
Bit 10 of CPUID[8000_0001].EDX is not defined as an alias of CPUID[1].EDX[10], so do not duplicate it on kvm_arch_get_supported_cpuid(). Signed-off-by: Eduardo Habkost <ehabkost@redhat.com> Reviewed-By: Igor Mammedov <imammedo@redhat.com> Reviewed-by: Don Slutz <Don@CloudSwitch.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2012-09-28qemu-iotests: add tests for streaming error handlingPaolo Bonzini3-2/+229
Add a test for each of report/ignore/stop. The tests use blkdebug to generate an error in the middle of a script. The error is recoverable (once = "on") so that we can test resuming a job after stopping for an error. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2012-09-28qemu-iotests: map underscore to dash in QMP argument namesPaolo Bonzini1-1/+7
iotests.py provides a convenience function that uses Python keyword arguments to represent QMP command arguments. However, almost all QMP commands use dashes for argument names (the sole exception is block_set_io_throttle), and dashes are not allowed in a keyword argument name. Hence provide automatic conversion of underscores to dashes. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2012-09-28blkdebug: process all set_state rules in the old statePaolo Bonzini1-5/+7
Currently it is impossible to write a blkdebug script that ping-pongs between two states, because the second set-state rule will use the state that is set in the first. If you have [set-state] event = "..." state = "1" new_state = "2" [set-state] event = "..." state = "2" new_state = "1" for example the state will remain locked at 1. This can be fixed by first processing all rules, and then setting the state. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2012-09-28stream: add on-error argumentPaolo Bonzini6-9/+47
This patch adds support for error management to streaming. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2012-09-28block: introduce block job errorPaolo Bonzini8-12/+120
The following behaviors are possible: 'report': The behavior is the same as in 1.1. An I/O error, respectively during a read or a write, will complete the job immediately with an error code. 'ignore': An I/O error, respectively during a read or a write, will be ignored. For streaming, the job will complete with an error and the backing file will be left in place. For mirroring, the sector will be marked again as dirty and re-examined later. 'stop': The job will be paused and the job iostatus will be set to failed or nospace, while the VM will keep running. This can only be specified if the block device has rerror=stop and werror=stop or enospc. 'enospc': Behaves as 'stop' for ENOSPC errors, 'report' for others. In all cases, even for 'report', the I/O error is reported as a QMP event BLOCK_JOB_ERROR, with the same arguments as BLOCK_IO_ERROR. It is possible that while stopping the VM a BLOCK_IO_ERROR event will be reported and will clobber the event from BLOCK_JOB_ERROR, or vice versa. This is not really avoidable since stopping the VM completes all pending I/O requests. In fact, it is already possible now that a series of BLOCK_IO_ERROR events are reported with rerror=stop, because vm_stop calls bdrv_drain_all and this can generate further errors. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2012-09-28iostatus: reorganize io error codePaolo Bonzini6-55/+64
Move the common part of IDE/SCSI/virtio error handling to the block layer. The new function bdrv_error_action subsumes all three of bdrv_emit_qmp_error_event, vm_stop, bdrv_iostatus_set_err. The same scheme will be used for errors in block jobs. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2012-09-28iostatus: change is_read to a boolPaolo Bonzini7-11/+11
Do this while we are touching this part of the code, before introducing more uses of "int is_read". Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2012-09-28iostatus: move BlockdevOnError declaration to QAPIPaolo Bonzini11-36/+54
This will let block-stream reuse the enum. Places that used the enums are renamed accordingly. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2012-09-28iostatus: rename BlockErrorAction, BlockQMPEventActionPaolo Bonzini6-14/+14
We want to remove knowledge of BLOCK_ERR_STOP_ENOSPC from drivers; drivers should only be told whether to stop/report/ignore the error. On the other hand, we want to keep using the nicer BlockErrorAction name in the drivers. So rename the enums, while leaving aside the names of the enum values for now. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2012-09-28qemu-iotests: add test for pausing a streaming operationPaolo Bonzini3-5/+41
These check that a paused streaming job does not advance its offset. Sometimes the new test fails; the map is different between the source and the destination of the streaming because qemu-io does not always pack adjacent clusters that have the same allocated/unallocated state. However, this also happens with the existing test_stream testcase, and is better fixed in qemu-io. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2012-09-28qmp: add block-job-pause and block-job-resumePaolo Bonzini7-8/+147
Add QMP commands matching the functionality. Paused jobs cannot be canceled without first resuming them. This ensures that I/O errors are never missed by management. However, an optional force argument can be specified to allow that. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2012-09-28block: add support for job pause/resumePaolo Bonzini5-6/+72
Job pausing reuses the existing support for cancellable sleeps. A pause happens at the next sleeping point and lasts until the coroutine is re-entered explicitly. Cancellation was already doing a forced resume, so implement it explicitly in terms of resume. Paused jobs cannot be canceled without first resuming them. This ensures that I/O errors are never missed by management. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2012-09-28qmp: add 'busy' member to BlockJobInfoPaolo Bonzini2-1/+5
Because pausing a job is asynchronous, we need to know whether it has completed. This is described by the "busy" field of BlockJob; copy it to BlockJobInfo. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2012-09-28block: add block_job_queryPaolo Bonzini3-13/+21
Extract it out of the implementation of info block-jobs. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2012-09-28block: move job APIs to separate filesPaolo Bonzini10-282/+354
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2012-09-28block: fix documentation of block_job_cancel_syncPaolo Bonzini1-7/+5
Do this in a separate commit before we move the functions to blockjob.h. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2012-09-28qerror/block: introduce QERR_BLOCK_JOB_NOT_ACTIVEPaolo Bonzini2-2/+5
The DeviceNotActive text is not a particularly good match, add a separate text while keeping the same class. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2012-09-28qemu-iotests: add initial tests for live block commitJeff Cody3-0/+184
Derived from the streaming test cases (030), this adds the following 9 tests: 1. For the following image chain, commit [mid] into [backing], and use qemu-io to verify [backing] has its original data, as well as the data from [mid] [backing] <-- [mid] <-- [test] 2. Verifies that 'block-commit' with the 'speed' parameter sets the speed parameter, as reported by 'query-block-jobs' 3. Verifies that a bogus 'device' parameter to 'block-commit' results in error 4-9: Appropriate error values returned for the following argument errors: * top == base * top is nonexistent * base is nonexistent * top == active layer (this is currently not supported) * top and base arguments are reversed * top argument is omitted Signed-off-by: Jeff Cody <jcody@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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