[libvirt] [PATCH v2 5/5] RFC qemu: add spice opengl support
Michal Privoznik
mprivozn at redhat.com
Fri Nov 27 13:10:03 UTC 2015
On 25.11.2015 09:42, Marc-André Lureau wrote:
> Add Spice graphics gl attribute. qemu 2.6 should have -spice gl=on
> argument to enable opengl rendering context. This is necessary
> to actually enable virgl rendering.
>
> Add a qemuxml2argv test for virtio-gpu + spice with virgl.
>
> Signed-off-by: Marc-André Lureau <marcandre.lureau at gmail.com>
> ---
> docs/formatdomain.html.in | 6 ++++
> docs/schemas/domaincommon.rng | 5 +++
> src/conf/domain_conf.c | 18 +++++++++++
> src/conf/domain_conf.h | 1 +
> src/qemu/qemu_capabilities.c | 2 ++
> src/qemu/qemu_capabilities.h | 1 +
> src/qemu/qemu_command.c | 11 +++++++
> tests/qemucapabilitiesdata/caps_2.5.0-1.caps | 1 +
> tests/qemucapabilitiesdata/caps_2.5.0-1.replies | 4 +++
> .../qemuxml2argv-video-virtio-gpu-spice-gl.args | 23 ++++++++++++++
> .../qemuxml2argv-video-virtio-gpu-spice-gl.xml | 36 ++++++++++++++++++++++
> tests/qemuxml2argvtest.c | 6 ++++
> tests/qemuxml2xmltest.c | 1 +
> 13 files changed, 115 insertions(+)
> create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-video-virtio-gpu-spice-gl.args
> create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-video-virtio-gpu-spice-gl.xml
>
The idea looks good. ACK to it. However, some changes in the code are
required IMO.
> diff --git a/docs/formatdomain.html.in b/docs/formatdomain.html.in
> index 23d8ac9..d39f7d0 100644
> --- a/docs/formatdomain.html.in
> +++ b/docs/formatdomain.html.in
> @@ -4979,6 +4979,12 @@ qemu-kvm -net nic,model=? /dev/null
> 0.8.8</span>); and <code>usbredir</code>
> (<span class="since">since 0.9.12</span>).
> </p>
> + <p>
> + Spice may provide accelerated server-side rendering with
> + OpenGL. You can enable or disable OpenGL support explicitly with
> + the <code>gl</code> attribute.
> + (<span class="since">since FIXME</span>).
> + </p>
> <pre>
> <graphics type='spice' port='-1' tlsPort='-1' autoport='yes'>
> <channel name='main' mode='secure'/>
> diff --git a/docs/schemas/domaincommon.rng b/docs/schemas/domaincommon.rng
> index 228f062..8f4d2ac 100644
> --- a/docs/schemas/domaincommon.rng
> +++ b/docs/schemas/domaincommon.rng
> @@ -2711,6 +2711,11 @@
> </choice>
> </attribute>
> </optional>
> + <optional>
> + <attribute name="gl">
> + <ref name="virYesNo"/>
> + </attribute>
> + </optional>
> <interleave>
> <ref name="listenElements"/>
> <zeroOrMore>
> diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
> index e1692ef..d738e71 100644
> --- a/src/conf/domain_conf.c
> +++ b/src/conf/domain_conf.c
> @@ -10918,6 +10918,7 @@ virDomainGraphicsDefParseXML(xmlNodePtr node,
> char *port = virXMLPropString(node, "port");
> char *tlsPort;
> char *autoport;
> + char *gl;
> char *defaultMode;
> int defaultModeVal;
>
> @@ -10952,6 +10953,19 @@ virDomainGraphicsDefParseXML(xmlNodePtr node,
> VIR_FREE(autoport);
> }
>
> + if ((gl = virXMLPropString(node, "gl")) != NULL) {
> + int glVal;
> +
> + if ((glVal = virTristateBoolTypeFromString(gl)) <= 0) {
> + virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
> + _("unknown gl value '%s'"), gl);
> + goto error;
@gl is leaked here.
> + }
> +
> + def->data.spice.gl = glVal;
> + VIR_FREE(gl);
> + }
> +
> def->data.spice.defaultMode = VIR_DOMAIN_GRAPHICS_SPICE_CHANNEL_MODE_ANY;
>
> if ((defaultMode = virXMLPropString(node, "defaultMode")) != NULL) {
> @@ -21201,6 +21215,10 @@ virDomainGraphicsDefFormat(virBufferPtr buf,
> break;
>
> case VIR_DOMAIN_GRAPHICS_TYPE_SPICE:
> + if (def->data.spice.gl)
> + virBufferAsprintf(buf, " gl='%s'",
> + virTristateBoolTypeToString(def->data.spice.gl));
> +
> if (def->data.spice.port)
> virBufferAsprintf(buf, " port='%d'",
> def->data.spice.port);
> diff --git a/src/conf/domain_conf.h b/src/conf/domain_conf.h
> index a47d8ee..ccd9376 100644
> --- a/src/conf/domain_conf.h
> +++ b/src/conf/domain_conf.h
> @@ -1579,6 +1579,7 @@ struct _virDomainGraphicsDef {
> int streaming;
> int copypaste; /* enum virTristateBool */
> int filetransfer; /* enum virTristateBool */
> + int gl; /* enum virTristateBool */
> } spice;
> } data;
> /* nListens, listens, and *port are only useful if type is vnc,
> diff --git a/src/qemu/qemu_capabilities.c b/src/qemu/qemu_capabilities.c
> index 4d76c40..64804c8 100644
> --- a/src/qemu/qemu_capabilities.c
> +++ b/src/qemu/qemu_capabilities.c
> @@ -303,6 +303,7 @@ VIR_ENUM_IMPL(virQEMUCaps, QEMU_CAPS_LAST,
> "incoming-defer", /* 200 */
> "virtio-gpu",
> "virtio-gpu.virgl",
> + "spice-gl",
> );
>
>
> @@ -2587,6 +2588,7 @@ static struct virQEMUCapsCommandLineProps virQEMUCapsCommandLine[] = {
> { "drive", "throttling.bps-total-max", QEMU_CAPS_DRIVE_IOTUNE_MAX},
> { "machine", "aes-key-wrap", QEMU_CAPS_AES_KEY_WRAP },
> { "machine", "dea-key-wrap", QEMU_CAPS_DEA_KEY_WRAP },
> + { "spice", "gl", QEMU_CAPS_SPICE_GL },
> };
>
> static int
> diff --git a/src/qemu/qemu_capabilities.h b/src/qemu/qemu_capabilities.h
> index ab711ff..ecd61d2 100644
> --- a/src/qemu/qemu_capabilities.h
> +++ b/src/qemu/qemu_capabilities.h
> @@ -329,6 +329,7 @@ typedef enum {
> QEMU_CAPS_INCOMING_DEFER, /* -incoming defer and migrate_incoming */
> QEMU_CAPS_DEVICE_VIRTIO_GPU, /* -device virtio-gpu-* & virtio-vga */
> QEMU_CAPS_DEVICE_VIRTIO_GPU_VIRGL, /* -device virtio-gpu-*.virgl */
> + QEMU_CAPS_SPICE_GL, /* -spice gl */
>
> QEMU_CAPS_LAST /* this must always be the last item */
> } virQEMUCapsFlags;
> diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c
> index 2808960..5f6a8fe 100644
> --- a/src/qemu/qemu_command.c
> +++ b/src/qemu/qemu_command.c
> @@ -8447,6 +8447,17 @@ qemuBuildGraphicsSPICECommandLine(virQEMUDriverConfigPtr cfg,
> }
> }
>
> + if (graphics->data.spice.gl) {
> + if (!virQEMUCapsGet(qemuCaps, QEMU_CAPS_SPICE_GL)) {
> + virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
> + _("This QEMU doesn't support spice OpenGL"));
> + goto error;
> + } else {
> + virBufferAsprintf(&opt, ",gl=%s",
> + virTristateSwitchTypeToString(graphics->data.spice.gl));
> + }
'else' feels kind of redundant but I don't hesitate to leave it there.
> + }
> +
> if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_SEAMLESS_MIGRATION)) {
> /* If qemu supports seamless migration turn it
> * unconditionally on. If migration destination
> diff --git a/tests/qemucapabilitiesdata/caps_2.5.0-1.caps b/tests/qemucapabilitiesdata/caps_2.5.0-1.caps
> index 975ed0c..1d6b5aa 100644
> --- a/tests/qemucapabilitiesdata/caps_2.5.0-1.caps
> +++ b/tests/qemucapabilitiesdata/caps_2.5.0-1.caps
> @@ -164,4 +164,5 @@
> <flag name='incoming-defer'/>
> <flag name='virtio-gpu'/>
> <flag name='virtio-gpu.virgl'/>
> + <flag name='spice-gl'/>
> </qemuCaps>
> diff --git a/tests/qemucapabilitiesdata/caps_2.5.0-1.replies b/tests/qemucapabilitiesdata/caps_2.5.0-1.replies
> index d90a74b..5452c0f 100644
> --- a/tests/qemucapabilitiesdata/caps_2.5.0-1.replies
> +++ b/tests/qemucapabilitiesdata/caps_2.5.0-1.replies
> @@ -3120,6 +3120,10 @@
> {
> "parameters": [
> {
> + "name": "gl",
> + "type": "boolean"
> + },
> + {
> "name": "seamless-migration",
> "type": "boolean"
> },
> diff --git a/tests/qemuxml2argvdata/qemuxml2argv-video-virtio-gpu-spice-gl.args b/tests/qemuxml2argvdata/qemuxml2argv-video-virtio-gpu-spice-gl.args
> new file mode 100644
> index 0000000..9751ee3
> --- /dev/null
> +++ b/tests/qemuxml2argvdata/qemuxml2argv-video-virtio-gpu-spice-gl.args
> @@ -0,0 +1,23 @@
> +LC_ALL=C \
> +PATH=/bin \
> +HOME=/home/test \
> +USER=test \
> +LOGNAME=test \
> +QEMU_AUDIO_DRV=spice \
> +/usr/bin/qemu \
> +-name QEMUGuest1 \
> +-S \
> +-M pc \
> +-m 1024 \
> +-smp 1 \
> +-uuid c7a5fdbd-edaf-9455-926a-d65c16db1809 \
> +-nodefaults \
> +-monitor unix:/tmp/test-monitor,server,nowait \
> +-no-acpi \
> +-boot c \
> +-usb \
> +-drive file=/var/lib/libvirt/images/QEMUGuest1,if=none,id=drive-ide0-0-0,format=qcow2,cache=none \
Long line.
> +-device ide-drive,bus=ide.0,unit=0,drive=drive-ide0-0-0,id=ide0-0-0 \
> +-spice port=0,gl=on \
> +-device virtio-vga,id=video0,virgl=on,bus=pci.0,addr=0x2 \
> +-device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x3
> diff --git a/tests/qemuxml2argvdata/qemuxml2argv-video-virtio-gpu-spice-gl.xml b/tests/qemuxml2argvdata/qemuxml2argv-video-virtio-gpu-spice-gl.xml
> new file mode 100644
> index 0000000..07afad2
> --- /dev/null
> +++ b/tests/qemuxml2argvdata/qemuxml2argv-video-virtio-gpu-spice-gl.xml
> @@ -0,0 +1,36 @@
> +<domain type='qemu'>
> + <name>QEMUGuest1</name>
> + <uuid>c7a5fdbd-edaf-9455-926a-d65c16db1809</uuid>
> + <memory unit='KiB'>1048576</memory>
> + <currentMemory unit='KiB'>1048576</currentMemory>
> + <vcpu placement='static'>1</vcpu>
> + <os>
> + <type arch='i686' machine='pc'>hvm</type>
> + <boot dev='hd'/>
> + </os>
> + <clock offset='utc'/>
> + <on_poweroff>destroy</on_poweroff>
> + <on_reboot>restart</on_reboot>
> + <on_crash>destroy</on_crash>
> + <devices>
> + <emulator>/usr/bin/qemu</emulator>
> + <disk type='file' device='disk'>
> + <driver name='qemu' type='qcow2' cache='none'/>
> + <source file='/var/lib/libvirt/images/QEMUGuest1'/>
> + <target dev='hda' bus='ide'/>
> + <address type='drive' controller='0' bus='0' target='0' unit='0'/>
> + </disk>
> + <controller type='ide' index='0'/>
> + <controller type='usb' index='0'/>
> + <controller type='pci' index='0' model='pci-root'/>
> + <input type='mouse' bus='ps2'/>
> + <input type='keyboard' bus='ps2'/>
> + <graphics type='spice' gl='yes' autoport='no'/>
> + <video>
> + <model type='virtio' heads='1'>
> + <acceleration accel3d='yes'/>
> + </model>
> + </video>
> + <memballoon model='virtio'/>
> + </devices>
> +</domain>
> diff --git a/tests/qemuxml2argvtest.c b/tests/qemuxml2argvtest.c
> index 4baadb7..060c646 100644
> --- a/tests/qemuxml2argvtest.c
> +++ b/tests/qemuxml2argvtest.c
> @@ -1755,6 +1755,12 @@ mymain(void)
> QEMU_CAPS_DEVICE, QEMU_CAPS_DEVICE_VIRTIO_GPU,
> QEMU_CAPS_DEVICE_VIRTIO_GPU_VIRGL,
> QEMU_CAPS_DEVICE_VIDEO_PRIMARY);
> + DO_TEST("video-virtio-gpu-spice-gl", QEMU_CAPS_DEVICE,
> + QEMU_CAPS_DEVICE_VIRTIO_GPU,
> + QEMU_CAPS_DEVICE_VIRTIO_GPU_VIRGL,
> + QEMU_CAPS_SPICE,
> + QEMU_CAPS_SPICE_GL,
> + QEMU_CAPS_DEVICE_VIDEO_PRIMARY);
Move this few lines up.
>
> qemuTestDriverFree(&driver);
>
> diff --git a/tests/qemuxml2xmltest.c b/tests/qemuxml2xmltest.c
> index a4fefef..23cc549 100644
> --- a/tests/qemuxml2xmltest.c
> +++ b/tests/qemuxml2xmltest.c
> @@ -628,6 +628,7 @@ mymain(void)
>
> DO_TEST("video-virtio-gpu-device");
> DO_TEST("video-virtio-gpu-virgl");
> + DO_TEST("video-virtio-gpu-spice-gl");
>
> qemuTestDriverFree(&driver);
>
>
Michal
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