domaincaps: Report video modelType

Requires adding the plumbing for <device><video>
The value is <enum name='modelType'> to match the associated domain
XML of <video><model type='XXX'/>

Wire it up for qemu too

docs/formatdomaincaps.html.in

@@ -244,6 +244,35 @@
     </dl>
 
 
+    <h4><a name="elementsVideo">Video device</a></h4>
+    <p>Video device capabilities are exposed under the
+    <code>video</code> element. For instance:</p>
+
+<pre>
+&lt;domainCapabilities&gt;
+  ...
+  &lt;devices&gt;
+    &lt;video supported='yes'&gt;
+      &lt;enum name='modelType'&gt;
+        &lt;value&gt;vga&lt;/value&gt;
+        &lt;value&gt;cirrus&lt;/value&gt;
+        &lt;value&gt;vmvga&lt;/value&gt;
+        &lt;value&gt;qxl&lt;/value&gt;
+        &lt;value&gt;virtio&lt;/value&gt;
+      &lt;/enum&gt;
+    &lt;/video&gt;
+    ...
+  &lt;/devices&gt;
+&lt;/domainCapabilities&gt;
+</pre>
+
+    <dl>
+      <dt><code>modelType</code></dt>
+      <dd>Options for the <code>type</code> attribute of the
+      &lt;video&gt;&lt;model&gt; element.</dd>
+    </dl>
+
+
     <h4><a name="elementsHostDev">Host device assignment</a></h4>
     <p>Some host devices can be passed through to a guest (e.g. USB, PCI and
     SCSI). Well, only if the following is enabled:</p>

docs/schemas/domaincaps.rng

@@ -73,6 +73,7 @@
       <interleave>
         <ref name='disk'/>
         <ref name='graphics'/>
+        <ref name='video'/>
         <ref name='hostdev'/>
       </interleave>
     </element>
@@ -92,6 +93,13 @@
     </element>
   </define>
 
+  <define name='video'>
+    <element name='video'>
+      <ref name='supported'/>
+      <ref name='enum'/>
+    </element>
+  </define>
+
   <define name='hostdev'>
     <element name='hostdev'>
       <ref name='supported'/>

src/conf/domain_capabilities.c

@@ -258,6 +258,18 @@ virDomainCapsDeviceGraphicsFormat(virBufferPtr buf,
 }
 
 
+static void
+virDomainCapsDeviceVideoFormat(virBufferPtr buf,
+                               virDomainCapsDeviceVideoPtr const video)
+{
+    FORMAT_PROLOGUE(video);
+
+    ENUM_PROCESS(video, modelType, virDomainVideoTypeToString);
+
+    FORMAT_EPILOGUE(video);
+}
+
+
 static void
 virDomainCapsDeviceHostdevFormat(virBufferPtr buf,
                                  virDomainCapsDeviceHostdevPtr const hostdev)
@@ -327,6 +339,7 @@ virDomainCapsFormatInternal(virBufferPtr buf,
 
     virDomainCapsDeviceDiskFormat(buf, &caps->disk);
     virDomainCapsDeviceGraphicsFormat(buf, &caps->graphics);
+    virDomainCapsDeviceVideoFormat(buf, &caps->video);
     virDomainCapsDeviceHostdevFormat(buf, &caps->hostdev);
 
     virBufferAdjustIndent(buf, -2);

src/conf/domain_capabilities.h

@@ -76,6 +76,15 @@ struct _virDomainCapsDeviceGraphics {
     virDomainCapsEnum type;   /* virDomainGraphicsType */
 };
 
+typedef struct _virDomainCapsDeviceVideo virDomainCapsDeviceVideo;
+typedef virDomainCapsDeviceVideo *virDomainCapsDeviceVideoPtr;
+struct _virDomainCapsDeviceVideo {
+    bool supported;
+    virDomainCapsEnum modelType;   /* virDomainVideoType */
+};
+
+typedef struct _virDomainCapsDeviceHostdev virDomainCapsDeviceHostdev;
+
 typedef struct _virDomainCapsDeviceHostdev virDomainCapsDeviceHostdev;
 typedef virDomainCapsDeviceHostdev *virDomainCapsDeviceHostdevPtr;
 struct _virDomainCapsDeviceHostdev {
@@ -109,6 +118,7 @@ struct _virDomainCaps {
     virDomainCapsOS os;
     virDomainCapsDeviceDisk disk;
     virDomainCapsDeviceGraphics graphics;
+    virDomainCapsDeviceVideo video;
     virDomainCapsDeviceHostdev hostdev;
     /* add new domain devices here */
 

src/qemu/qemu_capabilities.c

@@ -4187,6 +4187,27 @@ virQEMUCapsFillDomainDeviceGraphicsCaps(virQEMUCapsPtr qemuCaps,
 }
 
 
+static int
+virQEMUCapsFillDomainDeviceVideoCaps(virQEMUCapsPtr qemuCaps,
+                                     virDomainCapsDeviceVideoPtr dev)
+{
+    dev->supported = true;
+
+    if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE_VGA))
+        VIR_DOMAIN_CAPS_ENUM_SET(dev->modelType, VIR_DOMAIN_VIDEO_TYPE_VGA);
+    if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE_CIRRUS_VGA))
+        VIR_DOMAIN_CAPS_ENUM_SET(dev->modelType, VIR_DOMAIN_VIDEO_TYPE_CIRRUS);
+    if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE_VMWARE_SVGA))
+        VIR_DOMAIN_CAPS_ENUM_SET(dev->modelType, VIR_DOMAIN_VIDEO_TYPE_VMVGA);
+    if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE_QXL_VGA))
+        VIR_DOMAIN_CAPS_ENUM_SET(dev->modelType, VIR_DOMAIN_VIDEO_TYPE_QXL);
+    if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE_VIRTIO_GPU))
+        VIR_DOMAIN_CAPS_ENUM_SET(dev->modelType, VIR_DOMAIN_VIDEO_TYPE_VIRTIO);
+
+    return 0;
+}
+
+
 static int
 virQEMUCapsFillDomainDeviceHostdevCaps(virQEMUCapsPtr qemuCaps,
                                        virDomainCapsDeviceHostdevPtr hostdev)
@@ -4299,6 +4320,7 @@ virQEMUCapsFillDomainCaps(virDomainCapsPtr domCaps,
     virDomainCapsDeviceDiskPtr disk = &domCaps->disk;
     virDomainCapsDeviceHostdevPtr hostdev = &domCaps->hostdev;
     virDomainCapsDeviceGraphicsPtr graphics = &domCaps->graphics;
+    virDomainCapsDeviceVideoPtr video = &domCaps->video;
     int maxvcpus = virQEMUCapsGetMachineMaxCpus(qemuCaps, domCaps->machine);
 
     domCaps->maxvcpus = maxvcpus;
@@ -4308,6 +4330,7 @@ virQEMUCapsFillDomainCaps(virDomainCapsPtr domCaps,
         virQEMUCapsFillDomainDeviceDiskCaps(qemuCaps,
                                             domCaps->machine, disk) < 0 ||
         virQEMUCapsFillDomainDeviceGraphicsCaps(qemuCaps, graphics) < 0 ||
+        virQEMUCapsFillDomainDeviceVideoCaps(qemuCaps, video) < 0 ||
         virQEMUCapsFillDomainDeviceHostdevCaps(qemuCaps, hostdev) < 0 ||
         virQEMUCapsFillDomainFeatureGICCaps(qemuCaps, domCaps) < 0)
         return -1;

tests/domaincapsschemadata/domaincaps-basic.xml

@@ -7,6 +7,7 @@
   <devices>
     <disk supported='no'/>
     <graphics supported='no'/>
+    <video supported='no'/>
     <hostdev supported='no'/>
   </devices>
   <features>

tests/domaincapsschemadata/domaincaps-full.xml

@@ -48,6 +48,18 @@
         <value>spice</value>
       </enum>
     </graphics>
+    <video supported='yes'>
+      <enum name='modelType'>
+        <value>vga</value>
+        <value>cirrus</value>
+        <value>vmvga</value>
+        <value>xen</value>
+        <value>vbox</value>
+        <value>qxl</value>
+        <value>parallels</value>
+        <value>virtio</value>
+      </enum>
+    </video>
     <hostdev supported='yes'>
       <enum name='mode'>
         <value>subsystem</value>

tests/domaincapsschemadata/domaincaps-qemu_1.6.50-1.xml

@@ -41,6 +41,14 @@
         <value>spice</value>
       </enum>
     </graphics>
+    <video supported='yes'>
+      <enum name='modelType'>
+        <value>vga</value>
+        <value>cirrus</value>
+        <value>vmvga</value>
+        <value>qxl</value>
+      </enum>
+    </video>
     <hostdev supported='yes'>
       <enum name='mode'>
         <value>subsystem</value>

tests/domaincapsschemadata/domaincaps-qemu_2.6.0-1.xml

@@ -41,6 +41,15 @@
         <value>spice</value>
       </enum>
     </graphics>
+    <video supported='yes'>
+      <enum name='modelType'>
+        <value>vga</value>
+        <value>cirrus</value>
+        <value>vmvga</value>
+        <value>qxl</value>
+        <value>virtio</value>
+      </enum>
+    </video>
     <hostdev supported='yes'>
       <enum name='mode'>
         <value>subsystem</value>

tests/domaincapsschemadata/domaincaps-qemu_2.6.0-2.xml

@@ -40,6 +40,13 @@
         <value>vnc</value>
       </enum>
     </graphics>
+    <video supported='yes'>
+      <enum name='modelType'>
+        <value>vga</value>
+        <value>qxl</value>
+        <value>virtio</value>
+      </enum>
+    </video>
     <hostdev supported='yes'>
       <enum name='mode'>
         <value>subsystem</value>

tests/domaincapsschemadata/domaincaps-qemu_2.6.0-3.xml

@@ -40,6 +40,13 @@
         <value>vnc</value>
       </enum>
     </graphics>
+    <video supported='yes'>
+      <enum name='modelType'>
+        <value>vga</value>
+        <value>qxl</value>
+        <value>virtio</value>
+      </enum>
+    </video>
     <hostdev supported='yes'>
       <enum name='mode'>
         <value>subsystem</value>

tests/domaincapsschemadata/domaincaps-qemu_2.6.0-4.xml

@@ -40,6 +40,13 @@
         <value>vnc</value>
       </enum>
     </graphics>
+    <video supported='yes'>
+      <enum name='modelType'>
+        <value>vga</value>
+        <value>qxl</value>
+        <value>virtio</value>
+      </enum>
+    </video>
     <hostdev supported='yes'>
       <enum name='mode'>
         <value>subsystem</value>

tests/domaincapsschemadata/domaincaps-qemu_2.6.0-5.xml

@@ -38,6 +38,13 @@
         <value>vnc</value>
       </enum>
     </graphics>
+    <video supported='yes'>
+      <enum name='modelType'>
+        <value>vga</value>
+        <value>qxl</value>
+        <value>virtio</value>
+      </enum>
+    </video>
     <hostdev supported='yes'>
       <enum name='mode'>
         <value>subsystem</value>

tests/domaincapstest.c

@@ -62,6 +62,7 @@ fillAllCaps(virDomainCapsPtr domCaps)
     virDomainCapsLoaderPtr loader = &os->loader;
     virDomainCapsDeviceDiskPtr disk = &domCaps->disk;
     virDomainCapsDeviceGraphicsPtr graphics = &domCaps->graphics;
+    virDomainCapsDeviceVideoPtr video = &domCaps->video;
     virDomainCapsDeviceHostdevPtr hostdev = &domCaps->hostdev;
     domCaps->maxvcpus = 255;
 
@@ -83,6 +84,9 @@ fillAllCaps(virDomainCapsPtr domCaps)
     graphics->supported = true;
     SET_ALL_BITS(graphics->type);
 
+    video->supported = true;
+    SET_ALL_BITS(video->modelType);
+
     hostdev->supported = true;
     SET_ALL_BITS(hostdev->mode);
     SET_ALL_BITS(hostdev->startupPolicy);