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qemu: Add support for virtio-vga/gpu's max_outputs= parameter

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Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1449712

Signed-off-by: Martin Kletzander <mkletzan@redhat.com>
This commit is contained in:
Martin Kletzander 2017-08-23 14:06:41 +02:00
parent 66c4e15335
commit fb61407501
3 changed files with 8 additions and 2 deletions
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5
src/qemu/qemu_command.c
View File

@ -4484,6 +4484,11 @@ qemuBuildDeviceVideoStr(const virDomainDef *def,
if (video->heads)
virBufferAsprintf(&buf, ",max_outputs=%u", video->heads);
}
} else if (video->type == VIR_DOMAIN_VIDEO_TYPE_VIRTIO) {
if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_VIRTIO_GPU_MAX_OUTPUTS)) {
if (video->heads)
virBufferAsprintf(&buf, ",max_outputs=%u", video->heads);
}
} else if (video->vram &&
((video->type == VIR_DOMAIN_VIDEO_TYPE_VGA &&
virQEMUCapsGet(qemuCaps, QEMU_CAPS_VGA_VGAMEM)) ||

2
tests/qemuxml2argvdata/qemuxml2argv-video-virtio-vga.args
View File

@ -22,5 +22,5 @@ server,nowait \
-drive file=/var/lib/libvirt/images/QEMUGuest1,format=qcow2,if=none,\
id=drive-ide0-0-0,cache=none \
-device ide-drive,bus=ide.0,unit=0,drive=drive-ide0-0-0,id=ide0-0-0 \
-device virtio-vga,id=video0,bus=pci.0,addr=0x2 \
-device virtio-vga,id=video0,max_outputs=1,bus=pci.0,addr=0x2 \
-device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x3

3
tests/qemuxml2argvtest.c
View File

@ -1883,7 +1883,8 @@ mymain(void)
DO_TEST("video-virtio-vga",
QEMU_CAPS_DEVICE_VIRTIO_GPU,
QEMU_CAPS_DEVICE_VIRTIO_VGA,
QEMU_CAPS_DEVICE_VIDEO_PRIMARY);
QEMU_CAPS_DEVICE_VIDEO_PRIMARY,
QEMU_CAPS_VIRTIO_GPU_MAX_OUTPUTS);
DO_TEST_PARSE_ERROR("video-invalid", NONE);
DO_TEST("virtio-rng-default",