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qemu: Add device id for mediated devices on qemu command line

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Like all devices, add the 'id' option for mdevs as well. Patch also
adjusts the test accordingly.

Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1438431

Signed-off-by: Erik Skultety <eskultet@redhat.com>
(cherry picked from commit c3272e5e12e0bfd43b8101b73ae13d264c13337f)
This commit is contained in:
Erik Skultety 2017-04-03 16:10:00 +02:00 committed by Cole Robinson
parent 33a3b85750
commit 59f51f7f38
2 changed files with 3 additions and 2 deletions
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3
src/qemu/qemu_command.c
View File

@ -5231,7 +5231,8 @@ qemuBuildHostdevMediatedDevStr(const virDomainDef *def,
char *ret = NULL;
virBufferAddLit(&buf, "vfio-pci");
virBufferAsprintf(&buf, ",sysfsdev=%s",
virBufferAsprintf(&buf, ",id=%s,sysfsdev=%s",
dev->info->alias,
virMediatedDeviceGetSysfsPath(mdevsrc->uuidstr));
if (qemuBuildDeviceAddressStr(&buf, def, dev->info, qemuCaps) < 0)

2
tests/qemuxml2argvdata/qemuxml2argv-hostdev-mdev-precreated.args
View File

@ -20,6 +20,6 @@ QEMU_AUDIO_DRV=none \
-usb \
-drive file=/dev/HostVG/QEMUGuest2,format=raw,if=none,id=drive-ide0-0-0 \
-device ide-drive,bus=ide.0,unit=0,drive=drive-ide0-0-0,id=ide0-0-0 \
-device vfio-pci,\
-device vfio-pci,id=hostdev0,\
sysfsdev=/sys/bus/mdev/devices/53764d0e-85a0-42b4-af5c-2046b460b1dc,bus=pci.0,\
addr=0x3