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(a)redhat.com&gt; --- src/qemu/qemu_command.c | 3 ++- tests/qemuxml2argvdata/qemuxml2argv-hostdev-mdev-precreated.args | 2 +- 2 files changed, 3 insertions(+), 2 deletions(-) diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c index 5cf383aaea..445c696d6e 100644 --- a/src/qemu/qemu_command.c +++ b/src/qemu/qemu_command.c @@ -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) diff --git a/tests/qemuxml2argvdata/qemuxml2argv-hostdev-mdev-precreated.args b/tests/qemuxml2argvdata/qemuxml2argv-hostdev-mdev-precreated.args index fdefeb6104..76e77707bf 100644 --- a/tests/qemuxml2argvdata/qemuxml2argv-hostdev-mdev-precreated.args +++ b/tests/qemuxml2argvdata/qemuxml2argv-hostdev-mdev-precreated.args @@ -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 -- 2.12.2