[libvirt] [PATCH 11/11] qemu_command: add support to use virtio as secondary video device

Pavel Hrdina phrdina at redhat.com
Fri Sep 30 16:02:31 UTC 2016


Signed-off-by: Pavel Hrdina <phrdina at redhat.com>
---
 docs/formatdomain.html.in                          |  3 +-
 src/qemu/qemu_command.c                            | 32 ++++++++++++-------
 src/qemu/qemu_domain.c                             |  3 +-
 .../qemuxml2argv-video-virtio-gpu-sec.args         | 25 +++++++++++++++
 .../qemuxml2argv-video-virtio-gpu-sec.xml          | 36 ++++++++++++++++++++++
 tests/qemuxml2argvtest.c                           |  3 ++
 6 files changed, 89 insertions(+), 13 deletions(-)
 create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-video-virtio-gpu-sec.args
 create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-video-virtio-gpu-sec.xml

diff --git a/docs/formatdomain.html.in b/docs/formatdomain.html.in
index 1266e9d..f08cd01 100644
--- a/docs/formatdomain.html.in
+++ b/docs/formatdomain.html.in
@@ -5641,7 +5641,8 @@ qemu-kvm -net nic,model=? /dev/null
           video device in domain xml is the primary one, but the optional
           attribute <code>primary</code> (<span class="since">since 1.0.2</span>)
           with value 'yes' can be used to mark the primary in cases of multiple
-          video device. The non-primary must be type of "qxl".
+          video device. The non-primary must be type of "qxl" or
+          "virtio" (<span class="since">since 2.4.0</span>).
         </p>
       </dd>
 
diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c
index bb8128e..2314b2df 100644
--- a/src/qemu/qemu_command.c
+++ b/src/qemu/qemu_command.c
@@ -114,6 +114,18 @@ VIR_ENUM_IMPL(qemuDeviceVideo, VIR_DOMAIN_VIDEO_TYPE_LAST,
               "", /* don't support parallels */
               "virtio-vga");
 
+VIR_ENUM_DECL(qemuDeviceVideoSec)
+
+VIR_ENUM_IMPL(qemuDeviceVideoSec, VIR_DOMAIN_VIDEO_TYPE_LAST,
+              "", /* no secondary device for VGA*/
+              "", /* no secondary device for cirrus-vga*/
+              "", /* no secondary device for vmware-svga*/
+              "", /* no device for xen */
+              "", /* don't support vbox */
+              "qxl",
+              "", /* don't support parallels */
+              "virtio-gpu-pci");
+
 VIR_ENUM_DECL(qemuSoundCodec)
 
 VIR_ENUM_IMPL(qemuSoundCodec, VIR_DOMAIN_SOUND_CODEC_TYPE_LAST,
@@ -4299,18 +4311,16 @@ qemuBuildDeviceVideoStr(const virDomainDef *def,
     virBuffer buf = VIR_BUFFER_INITIALIZER;
     const char *model;
 
-    if (video->primary) {
+    if (video->primary && qemuDomainSupportVideoVga(video, qemuCaps))
         model = qemuDeviceVideoTypeToString(video->type);
-        if (!model || STREQ(model, "")) {
-            virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
-                           _("video type %s is not supported with QEMU"),
-                           virDomainVideoTypeToString(video->type));
-            goto error;
-        }
-        if (!qemuDomainSupportVideoVga(video, qemuCaps))
-            model = "virtio-gpu-pci";
-    } else {
-        model = "qxl";
+    else
+        model = qemuDeviceVideoSecTypeToString(video->type);
+
+    if (!model || STREQ(model, "")) {
+        virReportError(VIR_ERR_INTERNAL_ERROR,
+                       _("invalid model for video type '%s'"),
+                       virDomainVideoTypeToString(video->type));
+        goto error;
     }
 
     virBufferAsprintf(&buf, "%s,id=%s", model, video->info.alias);
diff --git a/src/qemu/qemu_domain.c b/src/qemu/qemu_domain.c
index 79c945a..8218609 100644
--- a/src/qemu/qemu_domain.c
+++ b/src/qemu/qemu_domain.c
@@ -2404,7 +2404,8 @@ qemuDomainDefValidateVideo(const virDomainDef *def)
         video = def->videos[i];
 
         if (!video->primary &&
-            video->type != VIR_DOMAIN_VIDEO_TYPE_QXL) {
+            video->type != VIR_DOMAIN_VIDEO_TYPE_QXL &&
+            video->type != VIR_DOMAIN_VIDEO_TYPE_VIRTIO) {
             virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
                            _("video type '%s' is only valid as primary "
                              "video device"),
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-video-virtio-gpu-sec.args b/tests/qemuxml2argvdata/qemuxml2argv-video-virtio-gpu-sec.args
new file mode 100644
index 0000000..a87c37b
--- /dev/null
+++ b/tests/qemuxml2argvdata/qemuxml2argv-video-virtio-gpu-sec.args
@@ -0,0 +1,25 @@
+LC_ALL=C \
+PATH=/bin \
+HOME=/home/test \
+USER=test \
+LOGNAME=test \
+QEMU_AUDIO_DRV=none \
+/usr/bin/qemu \
+-name QEMUGuest1 \
+-S \
+-M pc \
+-m 1024 \
+-smp 1,sockets=1,cores=1,threads=1 \
+-uuid c7a5fdbd-edaf-9455-926a-d65c16db1809 \
+-nographic \
+-nodefaults \
+-monitor unix:/tmp/lib/domain--1-QEMUGuest1/monitor.sock,server,nowait \
+-no-acpi \
+-boot c \
+-usb \
+-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-gpu-pci,id=video0,bus=pci.0,addr=0x2 \
+-device virtio-gpu-pci,id=video1,bus=pci.0,addr=0x4 \
+-device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x3
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-video-virtio-gpu-sec.xml b/tests/qemuxml2argvdata/qemuxml2argv-video-virtio-gpu-sec.xml
new file mode 100644
index 0000000..feba717
--- /dev/null
+++ b/tests/qemuxml2argvdata/qemuxml2argv-video-virtio-gpu-sec.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'/>
+    <video>
+      <model type='virtio' heads='1' primary='yes'/>
+    </video>
+    <video>
+      <model type='virtio' heads='1'/>
+    </video>
+    <memballoon model='virtio'/>
+  </devices>
+</domain>
diff --git a/tests/qemuxml2argvtest.c b/tests/qemuxml2argvtest.c
index 4cbe57e..d8bcf93 100644
--- a/tests/qemuxml2argvtest.c
+++ b/tests/qemuxml2argvtest.c
@@ -1616,6 +1616,9 @@ mymain(void)
             QEMU_CAPS_SPICE,
             QEMU_CAPS_SPICE_GL,
             QEMU_CAPS_DEVICE_VIDEO_PRIMARY);
+    DO_TEST("video-virtio-gpu-sec",
+            QEMU_CAPS_DEVICE_VIRTIO_GPU,
+            QEMU_CAPS_DEVICE_VIDEO_PRIMARY);
     DO_TEST("video-virtio-vga",
             QEMU_CAPS_DEVICE_VIRTIO_GPU,
             QEMU_CAPS_DEVICE_VIRTIO_VGA,
-- 
2.10.0




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