[libvirt] [PATCH 2/2] qemu: Enable ioeventfd usage for virtio-scsi controllers

Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1150484 Signed-off-by: Martin Kletzander <mkletzan(a)redhat.com&gt; --- src/qemu/qemu_command.c | 7 +++++++ tests/qemuxml2argvtest.c | 3 +++ 2 files changed, 10 insertions(+) diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c index 11037c4c29ca..4b546d69279d 100644 --- a/src/qemu/qemu_command.c +++ b/src/qemu/qemu_command.c @@ -4605,6 +4605,11 @@ 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) { @@ -4903,6 +4908,8 @@ 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; diff --git a/tests/qemuxml2argvtest.c b/tests/qemuxml2argvtest.c index e743bbebe844..05732785c843 100644 --- a/tests/qemuxml2argvtest.c +++ b/tests/qemuxml2argvtest.c @@ -877,6 +877,9 @@ 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); -- 2.4.6