[libvirt] [PATCH v2 07/16] qemu: validate virtio-gpu with vhost-user

From: Marc-André Lureau <marcandre.lureau(a)redhat.com&gt; Check qemu capability, and accept 3d acceleration. 3d acceleration support is checked when looking for a suitable vhost-user helper. Signed-off-by: Marc-André Lureau <marcandre.lureau(a)redhat.com&gt; Signed-off-by: Cole Robinson <crobinso(a)redhat.com&gt; --- src/qemu/qemu_process.c | 14 ++++++++++++-- 1 file changed, 12 insertions(+), 2 deletions(-) diff --git a/src/qemu/qemu_process.c b/src/qemu/qemu_process.c index c9921646e9..c439f17011 100644 --- a/src/qemu/qemu_process.c +++ b/src/qemu/qemu_process.c @@ -5274,8 +5274,10 @@ qemuProcessStartValidateVideo(virDomainObjPtr vm, !virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE_VMWARE_SVGA)) || (video->type == VIR_DOMAIN_VIDEO_TYPE_QXL && !virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE_QXL)) || - (video->type == VIR_DOMAIN_VIDEO_TYPE_VIRTIO && + (video->type == VIR_DOMAIN_VIDEO_TYPE_VIRTIO && !video->vhostuser && !virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE_VIRTIO_GPU)) || + (video->type == VIR_DOMAIN_VIDEO_TYPE_VIRTIO && video->vhostuser && + !virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE_VHOST_USER_GPU)) || (video->type == VIR_DOMAIN_VIDEO_TYPE_VIRTIO && video->info.type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_CCW && !virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE_VIRTIO_GPU_CCW))) { @@ -5285,7 +5287,15 @@ qemuProcessStartValidateVideo(virDomainObjPtr vm, return -1; } - if (video->accel) { + if (video->type == VIR_DOMAIN_VIDEO_TYPE_VIRTIO && + video->vhostuser && + !virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE_VHOST_USER_GPU)) { + virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s", + _("this QEMU does not support vhost-user backed video device")); + return -1; + } + + if (!video->vhostuser && video->accel) { if (video->accel->accel3d == VIR_TRISTATE_SWITCH_ON && (video->type != VIR_DOMAIN_VIDEO_TYPE_VIRTIO || !virQEMUCapsGet(qemuCaps, QEMU_CAPS_VIRTIO_GPU_VIRGL))) { -- 2.21.0