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2014-12-15Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into stagingPeter Maydell5-10/+33
- Migration and linuxboot fixes for 2.2 regressions - valgrind/KVM support - small i386 patches - PCI SD host controller support - malloc/free cleanups from Markus (x86/scsi) - IvyBridge model - XSAVES support for KVM - initial patches from record/replay # gpg: Signature made Mon 15 Dec 2014 16:35:08 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 sufficiently trusted signatures! # gpg: It is not certain 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: (47 commits) sdhci: Support SDHCI devices on PCI sdhci: Define SDHCI PCI ids sdhci: Add "sysbus" to sdhci QOM types and methods sdhci: Remove class "virtual" methods sdhci: Set a default frequency clock serial: only resample THR interrupt on rising edge of IER.THRI serial: update LSR on enabling/disabling FIFOs serial: clean up THRE/TEMT handling serial: reset thri_pending on IER writes with THRI=0 linuxboot: fix loading old kernels kvm/apic: fix 2.2->2.1 migration target-i386: add Ivy Bridge CPU model target-i386: add f16c and rdrand to Haswell and Broadwell target-i386: add VME to all CPUs pc: add 2.3 machine types i386: do not cross the pages boundaries in replay mode cpus: make icount warp behave well with respect to stop/cont timer: introduce new QEMU_CLOCK_VIRTUAL_RT clock cpu-exec: invalidate nocache translation if they are interrupted icount: introduce cpu_get_icount_raw ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-12-15scsi-disk: provide maximum transfer lengthPaolo Bonzini1-0/+27
The QEMU block layer has a limit of INT_MAX bytes per transfer. Expose it in the block limits VPD page for both regular transfers and WRITE SAME. Reported-by: Ming Lei <ming.lei@canonical.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2014-12-15scsi: Use g_new() & friends where that makes obvious senseMarkus Armbruster2-2/+2
g_new(T, n) is neater than g_malloc(sizeof(T) * n). It's also safer, for two reasons. One, it catches multiplication overflowing size_t. Two, it returns T * rather than void *, which lets the compiler catch more type errors. This commit only touches allocations with size arguments of the form sizeof(T). Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Fam Zheng <famz@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2014-12-15scsi: Fuse g_malloc(); memset() into g_malloc0()Markus Armbruster1-4/+2
Coccinelle semantic patch: @@ expression LHS, SZ; @@ - LHS = g_malloc(SZ); - memset(LHS, 0, SZ); + LHS = g_malloc0(SZ); Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Fam Zheng <famz@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2014-12-15scsi: Drop superfluous conditionals around g_free()Markus Armbruster1-4/+2
Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Fam Zheng <famz@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2014-12-01vhost: Fix vhostfd leak in error branchGonglei1-0/+1
Signed-off-by: Gonglei <arei.gonglei@huawei.com> Reviewed-by: Jason Wang <jasowang@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Message-id: 1417166789-1960-1-git-send-email-arei.gonglei@huawei.com Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-11-12virtio-scsi: dataplane: suppress guest notificationMing Lei1-1/+6
This patch uses vring_should_notify() to suppress guest notification, and looks notification frequency can be decreased from ~33K/sec to ~2K/sec in my test environment. Suggested-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Ming Lei <ming.lei@canonical.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2014-11-12esp: Do not overwrite ESP_TCHI after resetHannes Reinecke1-2/+9
After a reset ESP_TCHI should contain the unique ID of the chip. This value will be overwritten with the current tranfer count if the transfer count has previously been set. So we should always return the chip id if ESP_TCHI has never been written to. Signed-off-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2014-11-11virtio-scsi: dataplane: fix allocation for 'cmd_vrings'Ming Lei1-1/+1
The size of each element should be sizeof(VirtIOSCSIVring *). Signed-off-by: Ming Lei <ming.lei@canonical.com> Reviewed-by: Fam Zheng <famz@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2014-11-10esp: fix coding standardsPaolo Bonzini1-1/+2
Reported-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2014-11-07virtio-scsi: work around bug in old BIOSesPaolo Bonzini1-0/+17
Old BIOSes left some padding by mistake after the req_size/resp_size. New QEMU does not like it, thinking it is a bidirectional command. As a workaround, we can check if the ANY_LAYOUT bit is set; if not, we always consider the first buffer as the virtio-scsi request/response, because, back when QEMU did not support ANY_LAYOUT, it expected the payload to start at the second element of the iovec. This can show up during migration. Cc: qemu-stable@nongnu.org Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2014-11-07esp-pci: fixup deadlock with linuxHannes Reinecke1-0/+2
A linux guest will be issuing messages: [ 32.124042] DC390: Deadlock in DataIn_0: DMA aborted unfinished: 000000 bytes remain!! [ 32.126348] DC390: DataIn_0: DMA State: 0 and the HBA will fail to work properly. Reason is the emulation is not setting the 'DMA transfer done' status correctly. Signed-off-by: Hannes Reinecke <hare@suse.de> Cc: qemu-stable@nongnu.org Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2014-10-31virtio-scsi: fix dataplanePaolo Bonzini1-1/+2
Commit 361dcc7 (virtio-scsi: dataplane: fail setup gracefully, 2014-10-15) actually broke successful dataplane setup in a not-so-graceful manner: qemu-system-x86_64: .../util/rfifolock.c:71: rfifolock_unlock: Assertion `r->nesting > 0' failed. due to a missing return statement. Fixes: 361dcc790db8c87b2e46ab610739191ced894c44 Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2014-10-31virtio-scsi: Fix num_queue input validationFam Zheng1-3/+4
We need to count the ctrlq and eventq, and also cleanup before returning. Besides, the format string should be unsigned. The number could never be less than zero. Signed-off-by: Fam Zheng <famz@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2014-10-31scsi: devirtualize unrealize of SCSI devicesPaolo Bonzini3-28/+3
All implementations are the same. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2014-10-31virtio-scsi: Fix memory leak when realize failedFam Zheng1-0/+1
Signed-off-by: Fam Zheng <famz@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2014-10-31megasas: Fixup MSI-X handlingHannes Reinecke1-24/+24
MSI-X works slightly different than INTx; the doorbell registers are not necessarily used as MSI-X interrupts are directed anyway. So the head pointer on the reply queue needs to be updated as soon as a frame is completed, and we can set the doorbell only when in INTx mode. Signed-off-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2014-10-31megasas: Rework frame queueing algorithmHannes Reinecke1-51/+45
Windows requires the frames to be unmapped, otherwise we run into a race condition where the updated frame data is not visible to the guest. With that we can simplify the queue algorithm and use a bitmap for tracking free frames. Signed-off-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2014-10-31megasas: Update queue loggingHannes Reinecke1-9/+17
Improve queue logging by displaying head and tail pointer of the completion queue. Signed-off-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2014-10-31megasas: Implement DCMD_CLUSTER_RESET_LDHannes Reinecke1-1/+15
Some implementations use DCMD_CLUSTER_RESET_LD to simulate a device reset. Signed-off-by: Hannes Reinecke <hare@suse.de> [Compare against id, not lun. - Paolo] Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2014-10-31megasas: Ignore duplicate init_firmware commandsHannes Reinecke1-3/+6
The windows driver is sending several init_firmware commands when in MSI-X mode. It is, however, using only the first queue. So disregard any additional init_firmware commands until the HBA is reset. Signed-off-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2014-10-31megasas: Clear unit attention on initial resetHannes Reinecke2-2/+18
The EFI firmware doesn't handle unit attentions properly, so we need to clear the Power On/Reset unit attention upon initial reset. Signed-off-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2014-10-31megasas: Decode register namesHannes Reinecke1-3/+20
To ease debugging we should be decoding the register names. Signed-off-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2014-10-31megasas: Fix typo in megasas_dcmd_ld_get_list()Hannes Reinecke1-1/+1
The check for a valid command buffer size was inverted. Signed-off-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2014-10-31megasas: add MegaRAID SAS 2108 emulationHannes Reinecke2-25/+200
The 2108 chip supports MSI and MSI-X, so update the emulation to support both chips. Signed-off-by: Hannes Reinecke <hare@suse.de> [Make VMStateDescription const. - Paolo] Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2014-10-31megasas: fixup device mappingHannes Reinecke2-36/+61
Logical drives can only be addressed with the 'target_id' number; LUN numbers cannot be selected. Physical drives can be selected with both, target and LUN id. So we should disallow LUN numbers not equal to 0 when in RAID mode. Signed-off-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2014-10-31megasas: fixup MFI_DCMD_LD_LIST_QUERYHannes Reinecke2-3/+41
The MFI_DCMD_LD_LIST_QUERY function is using a different format than MFI_DCMD_LD_LIST, so we need to implement it differently. Signed-off-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2014-10-31scsi: Rename scsi_*_length() to scsi_*_xfer(), add scsi_cdb_length()Hannes Reinecke2-28/+35
scsi_cdb_length() does not return the length of the cdb, but the transfersize encoded in the cdb. So rename it to scsi_cdb_xfer() and also rename all other related functions to end with _xfer. We can then add a new scsi_cdb_length() which actually does return the length of the cdb. With that DEBUG_SCSI can now display the correct CDB buffer. Signed-off-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2014-10-27hw/scsi/virtio-scsi.c: fix the "type" use error in virtio_scsi_handle_ctrlBin Wu1-5/+5
The local variable "type" in virtio_scsi_handle_ctl represents the tmf command type from the guest and it has the same meaning as the req->req.tmf.type. However, before the invoking of virtio_scsi_parse_req the req->req.tmf.type doesn't has the correct value(just initialized to zero). Therefore, we need to use the "type" variable to judge the case. Cc: qemu-stable@nongnu.org Signed-off-by: Bin Wu <wu.wubin@huawei.com> [Actually make it compile, "type" must be uint32_t in order to pass it to virtio_tswap32s. - Paolo] Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2014-10-27virtio-scsi: sense in virtio_scsi_command_completeTing Wang1-1/+1
If req->resp.cmd.status is not GOOD, the address of sense for qemu_iovec_from_buf should be modified from &req->resp to sense. Cc: qemu-stable@nongnu.org Signed-off-by: Ting Wang <kathy.wangting@huawei.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2014-10-23virtio-scsi: dataplane: stop trying on notifier errorCornelia Huck1-0/+8
There's no use to constantly trying to enable dataplane if we failed to set up guest or host notifiers, so fence it off in that case. We'll try again if the device is reinitialized. Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2014-10-23virtio-scsi: dataplane: fail setup gracefullyCornelia Huck1-9/+70
The dataplane code is currently doing a hard exit on various setup failures. In practice, this may mean that a guest suddenly dies after a dataplane device failed to come up (e.g., when a file descriptor limit is hit for the nth device). Let's just try to unwind the setup instead and return. Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2014-10-23virtio-scsi: dataplane: print why starting failedCornelia Huck1-4/+7
Setting up guest or host notifiers may fail, but the user will have no idea why: Let's print the error returned by the callback. Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2014-10-23virtio-scsi-dataplane: Add op blockerFam Zheng2-2/+21
We need this to protect dataplane thread from race conditions with block jobs until the latter is made dataplane-safe. Signed-off-by: Fam Zheng <famz@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2014-10-20blockdev: Fix blockdev-add not to create DriveInfoMarkus Armbruster1-1/+1
blockdev_init() always creates a DriveInfo, but only drive_new() fills it in. qmp_blockdev_add() leaves it blank. This results in a drive with type = IF_IDE, bus = 0, unit = 0. Screwed up in commit ee13ed1c. Board initialization code looking for IDE drive (0,0) can pick up one of these bogus drives. The QMP command has to execute really early to be visible. Not sure how likely that is in practice. Fix by creating DriveInfo in drive_new(). Block backends created by blockdev-add don't get one. Breaks the test for "has been created by qmp_blockdev_add()" in blockdev_mark_auto_del() and do_drive_del(), because it changes the value of dinfo && !dinfo->enable_auto_del from true to false. Simply test !dinfo instead. Leaves DriveInfo member enable_auto_del unused. Drop it. A few places assume a block backend always has a DriveInfo. Fix them up. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Max Reitz <mreitz@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2014-10-20hw: Convert from BlockDriverState to BlockBackend, mostlyMarkus Armbruster6-129/+133
Device models should access their block backends only through the block-backend.h API. Convert them, and drop direct includes of inappropriate headers. Just four uses of BlockDriverState are left: * The Xen paravirtual block device backend (xen_disk.c) opens images itself when set up via xenbus, bypassing blockdev.c. I figure it should go through qmp_blockdev_add() instead. * Device model "usb-storage" prompts for keys. No other device model does, and this one probably shouldn't do it, either. * ide_issue_trim_cb() uses bdrv_aio_discard() instead of blk_aio_discard() because it fishes its backend out of a BlockAIOCB, which has only the BlockDriverState. * PC87312State has an unused BlockDriverState[] member. The next two commits take care of the latter two. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Max Reitz <mreitz@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2014-10-20block: Rename BlockDriverCompletionFunc to BlockCompletionFuncMarkus Armbruster1-1/+1
I'll use it with block backends shortly, and the name is going to fit badly there. It's a block layer thing anyway, not just a block driver thing. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Max Reitz <mreitz@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2014-10-20block: Eliminate DriveInfo member bdrv, use blk_by_legacy_dinfo()Markus Armbruster1-2/+3
The patch is big, but all it really does is replacing dinfo->bdrv by blk_bs(blk_by_legacy_dinfo(dinfo)) The replacement is repetitive, but the conversion of device models to BlockBackend is imminent, and will shorten it to just blk_legacy_dinfo(dinfo). Line wrapping muddies the waters a bit. I also omit tests whether dinfo->bdrv is null, because it never is. Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Benoît Canet <benoit.canet@nodalink.com> Reviewed-by: Max Reitz <mreitz@redhat.com> Reviewed-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2014-10-16Merge remote-tracking branch 'remotes/kraxel/tags/pull-bootindex-20141015-1' ↵Peter Maydell3-7/+13
into staging allow changing bootorder via monitor at runtime, by making bootindex a writable qom property. * remotes/kraxel/tags/pull-bootindex-20141015-1: (34 commits) bootindex: change fprintf to error_report bootindex: delete bootindex when device is removed bootindex: move calling add_boot_device_patch to bootindex setter function ide: add calling add_boot_device_patch in bootindex setter function nvma: ide: add bootindex to qom property usb-storage: add bootindex to qom property virtio-blk: alias bootindex property explicitly for virt-blk-pci/ccw/s390 block: remove bootindex property from qdev to qom virtio-blk: add bootindex to qom property ide: add bootindex to qom property scsi: add bootindex to qom property isa-fdc: remove bootindexA/B property from qdev to qom redirect: remove bootindex property from qdev to qom vfio: remove bootindex property from qdev to qom pci-assign: remove bootindex property from qdev to qom host-libusb: remove bootindex property from qdev to qom virtio-net: alias bootindex property explicitly for virt-net-pci/ccw/s390 net: remove bootindex property from qdev to qom usb-net: add bootindex to qom property vmxnet3: add bootindex to qom property ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-10-15bootindex: move calling add_boot_device_patch to bootindex setter functionGonglei2-4/+0
On this way, we can assure the new bootindex take effect during vm rebooting. Signed-off-by: Gonglei <arei.gonglei@huawei.com> Reviewed-by: Gerd Hoffmann <kraxel@redhat.com> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2014-10-15block: remove bootindex property from qdev to qomGonglei3-3/+2
Remove bootindex form qdev property to qom, things will continue to work just fine, and we can use qom features which are not supported by qdev property. Signed-off-by: Gonglei <arei.gonglei@huawei.com> Reviewed-by: Gerd Hoffmann <kraxel@redhat.com> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2014-10-15scsi: add bootindex to qom propertyGonglei1-0/+11
Add a qom property with the same name 'bootindex', when we remove it form qdev property, things will continue to work just fine, and we can use qom features which are not supported by qdev property. Signed-off-by: Gonglei <arei.gonglei@huawei.com> Reviewed-by: Gerd Hoffmann <kraxel@redhat.com> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2014-10-15scsi: Cleanup not used anymore SCSIBusInfo{hotplug, hot_unplug} fieldsIgor Mammedov1-16/+0
SCSI subsytem was converted to hotplug handler API and doesn't use SCSIBusInfo{hotplug, hot_unplug} fields and related callbacks anymore. Signed-off-by: Igor Mammedov <imammedo@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
2014-10-15scsi: Convert virtio-scsi HBA to hotplug handler APIIgor Mammedov1-10/+20
Signed-off-by: Igor Mammedov <imammedo@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
2014-10-15scsi: Convert pvscsi HBA to hotplug handler APIIgor Mammedov1-8/+18
Signed-off-by: Igor Mammedov <imammedo@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
2014-10-15scsi: Set SCSI BUS itself as default HotplugHandlerIgor Mammedov1-1/+7
That would allow to handle SCSI device unplug on HBAs without dedicated hot(un)plug handlers and avoid making such HBAs explicitly hotpluggable. Signed-off-by: Igor Mammedov <imammedo@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
2014-10-09virtio-scsi: fix use-after-free of VirtIOSCSIReqPaolo Bonzini1-4/+5
scsi_req_continue can complete the request and cause the VirtIOSCSIReq to be freed. Fetch req->sreq just once to avoid the bug. Reported-by: Richard Jones <rjones@redhat.com> Tested-by: Richard Jones <rjones@redhat.com> Reviewed-by: Fam Zheng <famz@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2014-09-30virtio-scsi: Handle TMF request cancellation asynchronouslyFam Zheng1-7/+57
For VIRTIO_SCSI_T_TMF_ABORT_TASK and VIRTIO_SCSI_T_TMF_ABORT_TASK_SET, use scsi_req_cancel_async to start the cancellation. Because each tmf command may cancel multiple requests, we need to use a counter to track the number of remaining requests we still need to wait for. Signed-off-by: Fam Zheng <famz@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2014-09-30scsi: Introduce scsi_req_cancel_asyncFam Zheng1-0/+26
Devices will call this function to start an asynchronous cancellation. The bus->info->cancel will be called after the request is canceled. Devices will probably need to track a separate TMF request that triggers this cancellation, and wait until the cancellation is done before completing it. So we store a notifier list in SCSIRequest and in scsi_req_cancel_complete we notify them. Signed-off-by: Fam Zheng <famz@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2014-09-30scsi: Introduce scsi_req_cancel_completeFam Zheng3-4/+19
Let the aio cb do the clean up and notification job after scsi_req_cancel, in preparation for asynchronous cancellation. Signed-off-by: Fam Zheng <famz@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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