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qemu: Enable ioeventfd usage for virtio-scsi controllers

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Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1150484

Signed-off-by: Martin Kletzander <mkletzan@redhat.com>
This commit is contained in:
Martin Kletzander 2015-07-26 20:41:34 +02:00
parent 35eecddee3
commit cf0404455c
3 changed files with 19 additions and 0 deletions
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7
src/qemu/qemu_command.c
View File

@ -4611,6 +4611,11 @@ qemuBuildControllerDevStr(virDomainDefPtr domainDef,
_("'max_sectors' is only supported by virtio-scsi controller"));
return NULL;
}
if (def->ioeventfd) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("'ioeventfd' is only supported by virtio-scsi controller"));
return NULL;
}
}
switch (def->type) {
@ -4909,6 +4914,8 @@ qemuBuildControllerDevStr(virDomainDefPtr domainDef,
if (def->max_sectors)
virBufferAsprintf(&buf, ",max_sectors=%u", def->max_sectors);
qemuBuildIoEventFdStr(&buf, def->ioeventfd, qemuCaps);
if (qemuBuildDeviceAddressStr(&buf, domainDef, &def->info, qemuCaps) < 0)
goto error;

9
tests/qemuxml2argvdata/qemuxml2argv-disk-virtio-scsi-ioeventfd.args Normal file
View File

@ -0,0 +1,9 @@
LC_ALL=C PATH=/bin HOME=/home/test USER=test LOGNAME=test QEMU_AUDIO_DRV=none \
/usr/bin/qemu -S -M pc -m 214 -smp 8 -nographic -nodefconfig -nodefaults \
-monitor unix:/tmp/test-monitor,server,nowait -no-acpi -boot c \
-device virtio-scsi-pci,id=scsi0,ioeventfd=on,bus=pci.0,addr=0x3 \
-usb \
-drive file=/dev/HostVG/QEMUGuest1,if=none,id=drive-scsi0-0-0-0 \
-device scsi-disk,bus=scsi0.0,channel=0,scsi-id=0,lun=0,\
drive=drive-scsi0-0-0-0,id=scsi0-0-0-0 \
-device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x4

3
tests/qemuxml2argvtest.c
View File

@ -878,6 +878,9 @@ mymain(void)
DO_TEST("disk-virtio-scsi-max_sectors",
QEMU_CAPS_DRIVE, QEMU_CAPS_DEVICE, QEMU_CAPS_NODEFCONFIG,
QEMU_CAPS_VIRTIO_SCSI);
DO_TEST("disk-virtio-scsi-ioeventfd",
QEMU_CAPS_DRIVE, QEMU_CAPS_DEVICE, QEMU_CAPS_NODEFCONFIG,
QEMU_CAPS_VIRTIO_IOEVENTFD, QEMU_CAPS_VIRTIO_SCSI);
DO_TEST("disk-scsi-megasas",
QEMU_CAPS_DRIVE, QEMU_CAPS_DEVICE, QEMU_CAPS_NODEFCONFIG,
QEMU_CAPS_SCSI_MEGASAS);