qemu: Add VM Generation ID device capability

Add the query of the device objects for the vmgenid device
Signed-off-by: NJohn Ferlan <jferlan@redhat.com>
ACKed-by: NMichal Privoznik <mprivozn@redhat.com>

src/qemu/qemu_capabilities.c

@@ -489,6 +489,7 @@ VIR_ENUM_IMPL(virQEMUCaps, QEMU_CAPS_LAST,
               "screendump_device",
               "hda-output",
               "blockdev-del",
+              "vmgenid",
     );
 
 
@@ -1121,6 +1122,7 @@ struct virQEMUCapsStringFlags virQEMUCapsObjectTypes[] = {
     { "virtual-css-bridge", QEMU_CAPS_CCW },
     { "vfio-ccw", QEMU_CAPS_DEVICE_VFIO_CCW },
     { "hda-output", QEMU_CAPS_HDA_OUTPUT },
+    { "vmgenid", QEMU_CAPS_DEVICE_VMGENID },
 };
 
 static struct virQEMUCapsStringFlags virQEMUCapsDevicePropsVirtioBalloon[] = {

src/qemu/qemu_capabilities.h

@@ -473,6 +473,7 @@ typedef enum { /* virQEMUCapsFlags grouping marker for syntax-check */
     QEMU_CAPS_SCREENDUMP_DEVICE, /* screendump command accepts device & head */
     QEMU_CAPS_HDA_OUTPUT, /* -device hda-output */
     QEMU_CAPS_BLOCKDEV_DEL, /* blockdev-del is supported */
+    QEMU_CAPS_DEVICE_VMGENID, /* -device vmgenid */
 
     QEMU_CAPS_LAST /* this must always be the last item */
 } virQEMUCapsFlags;

tests/qemucapabilitiesdata/caps_2.10.0.x86_64.xml

@@ -200,6 +200,7 @@
   <flag name='sdl-gl'/>
   <flag name='hda-output'/>
   <flag name='blockdev-del'/>
+  <flag name='vmgenid'/>
   <version>2010000</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>344938</microcodeVersion>

tests/qemucapabilitiesdata/caps_2.12.0.x86_64.xml

@@ -204,6 +204,7 @@
   <flag name='screendump_device'/>
   <flag name='hda-output'/>
   <flag name='blockdev-del'/>
+  <flag name='vmgenid'/>
   <version>2011090</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>390813</microcodeVersion>

tests/qemucapabilitiesdata/caps_2.9.0.x86_64.xml

@@ -195,6 +195,7 @@
   <flag name='sdl-gl'/>
   <flag name='hda-output'/>
   <flag name='blockdev-del'/>
+  <flag name='vmgenid'/>
   <version>2009000</version>
   <kvmVersion>0</kvmVersion>
   <microcodeVersion>320947</microcodeVersion>