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[libvirt] [PATCH v3 5/6] qemu-command: use vram attribute for all video devices



So far we hadn't any option to set video memory size for qemu video
devices. There were only vram (ram for QXL) attribute but it was valid
only for QXL video device.

To provide this feature to users qemu has dedicated device attribute
called 'vgamem_mb' to set the video memory size. We will use the 'vram'
attribute also for setting video memory size for other qemu video
devices.

Only for cirrus device we will ignore the vram value because it has
hardcoded video size in QEMU.

Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1076098

Signed-off-by: Pavel Hrdina <phrdina redhat com>
---
 src/qemu/qemu_command.c                            | 32 ++++++++++++++++++++++
 .../qemuxml2argv-video-qxl-device-vgamem.args      |  6 ++++
 .../qemuxml2argv-video-qxl-device-vgamem.xml       | 29 ++++++++++++++++++++
 .../qemuxml2argv-video-qxl-device.args             |  6 ++++
 .../qemuxml2argv-video-qxl-device.xml              | 29 ++++++++++++++++++++
 .../qemuxml2argv-video-qxl-nodevice.args           |  5 ++++
 .../qemuxml2argv-video-qxl-nodevice.xml            | 29 ++++++++++++++++++++
 .../qemuxml2argv-video-qxl-sec-device-vgamem.args  |  8 ++++++
 .../qemuxml2argv-video-qxl-sec-device-vgamem.xml   | 32 ++++++++++++++++++++++
 .../qemuxml2argv-video-qxl-sec-device.args         |  7 +++++
 .../qemuxml2argv-video-qxl-sec-device.xml          | 32 ++++++++++++++++++++++
 .../qemuxml2argv-video-qxl-sec-nodevice.xml        | 32 ++++++++++++++++++++++
 .../qemuxml2argv-video-vga-device-vgamem.args      |  6 ++++
 .../qemuxml2argv-video-vga-device-vgamem.xml       | 29 ++++++++++++++++++++
 .../qemuxml2argv-video-vga-device.args             |  6 ++++
 .../qemuxml2argv-video-vga-device.xml              | 29 ++++++++++++++++++++
 .../qemuxml2argv-video-vga-nodevice.args           |  5 ++++
 .../qemuxml2argv-video-vga-nodevice.xml            | 29 ++++++++++++++++++++
 tests/qemuxml2argvtest.c                           | 16 +++++++++++
 19 files changed, 367 insertions(+)
 create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-video-qxl-device-vgamem.args
 create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-video-qxl-device-vgamem.xml
 create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-video-qxl-device.args
 create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-video-qxl-device.xml
 create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-video-qxl-nodevice.args
 create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-video-qxl-nodevice.xml
 create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-video-qxl-sec-device-vgamem.args
 create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-video-qxl-sec-device-vgamem.xml
 create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-video-qxl-sec-device.args
 create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-video-qxl-sec-device.xml
 create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-video-qxl-sec-nodevice.xml
 create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-video-vga-device-vgamem.args
 create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-video-vga-device-vgamem.xml
 create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-video-vga-device.args
 create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-video-vga-device.xml
 create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-video-vga-nodevice.args
 create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-video-vga-nodevice.xml

diff --git a/src/qemu/qemu_command.c b/src/qemu/qemu_command.c
index 0c77b57..ac36567 100644
--- a/src/qemu/qemu_command.c
+++ b/src/qemu/qemu_command.c
@@ -5031,6 +5031,19 @@ qemuBuildDeviceVideoStr(virDomainDefPtr def,
             /* QEMU accepts bytes for vram_size. */
             virBufferAsprintf(&buf, ",vram_size=%u", video->vram * 1024);
         }
+    } else if (video->vram &&
+        ((video->type == VIR_DOMAIN_VIDEO_TYPE_VGA &&
+          virQEMUCapsGet(qemuCaps, QEMU_CAPS_VGA_VGAMEM)) ||
+         (video->type == VIR_DOMAIN_VIDEO_TYPE_VMVGA &&
+          virQEMUCapsGet(qemuCaps, QEMU_CAPS_VMWARE_SVGA_VGAMEM)))) {
+
+        if (video->vram % 1024) {
+            virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
+                           "%s", _("value for 'vram' must be multiple of 1024"));
+            goto error;
+        }
+
+        virBufferAsprintf(&buf, ",vgamem_mb=%u", video->vram / 1024);
     }
 
     if (qemuBuildDeviceAddressStr(&buf, def, &video->info, qemuCaps) < 0)
@@ -9360,6 +9373,25 @@ qemuBuildCommandLine(virConnectPtr conn,
                                                dev, vram * 1024);
                     }
                 }
+
+                if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE) &&
+                    def->videos[0]->vram &&
+                    ((primaryVideoType == VIR_DOMAIN_VIDEO_TYPE_VGA &&
+                      virQEMUCapsGet(qemuCaps, QEMU_CAPS_VGA_VGAMEM)) ||
+                     (primaryVideoType == VIR_DOMAIN_VIDEO_TYPE_VMVGA &&
+                      virQEMUCapsGet(qemuCaps, QEMU_CAPS_VMWARE_SVGA_VGAMEM)))) {
+                    unsigned int vram = def->videos[0]->vram;
+
+                    if (vram % 1024) {
+                        virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
+                                       "%s", _("value for 'vgamem' must be multiple of 1024"));
+                        goto error;
+                    }
+
+                    virCommandAddArg(cmd, "-global");
+                    virCommandAddArgFormat(cmd, "%s.vgamem_mb=%u",
+                                           dev, vram / 1024);
+                }
             }
 
             if (def->nvideos > 1) {
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-video-qxl-device-vgamem.args b/tests/qemuxml2argvdata/qemuxml2argv-video-qxl-device-vgamem.args
new file mode 100644
index 0000000..c9eb535
--- /dev/null
+++ b/tests/qemuxml2argvdata/qemuxml2argv-video-qxl-device-vgamem.args
@@ -0,0 +1,6 @@
+LC_ALL=C PATH=/bin HOME=/home/test USER=test LOGNAME=test QEMU_AUDIO_DRV=none \
+/usr/bin/qemu -S -M pc -m 1024 -smp 1 -nographic -nodefaults \
+-monitor unix:/tmp/test-monitor,server,nowait -no-acpi -boot c -usb \
+-hda /var/lib/libvirt/images/QEMUGuest1 \
+-device qxl-vga,id=video0,ram_size=67108864,vram_size=67108864,bus=pci.0\
+,addr=0x2 -device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x3
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-video-qxl-device-vgamem.xml b/tests/qemuxml2argvdata/qemuxml2argv-video-qxl-device-vgamem.xml
new file mode 100644
index 0000000..9fc42af
--- /dev/null
+++ b/tests/qemuxml2argvdata/qemuxml2argv-video-qxl-device-vgamem.xml
@@ -0,0 +1,29 @@
+<domain type='qemu'>
+  <name>QEMUGuest1</name>
+  <uuid>c7a5fdbd-edaf-9455-926a-d65c16db1809</uuid>
+  <memory unit='KiB'>1048576</memory>
+  <currentMemory unit='KiB'>1048576</currentMemory>
+  <vcpu>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'/>
+    <video>
+      <model type='qxl' heads='1'/>
+    </video>
+    <memballoon model='virtio'/>
+  </devices>
+</domain>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-video-qxl-device.args b/tests/qemuxml2argvdata/qemuxml2argv-video-qxl-device.args
new file mode 100644
index 0000000..c9eb535
--- /dev/null
+++ b/tests/qemuxml2argvdata/qemuxml2argv-video-qxl-device.args
@@ -0,0 +1,6 @@
+LC_ALL=C PATH=/bin HOME=/home/test USER=test LOGNAME=test QEMU_AUDIO_DRV=none \
+/usr/bin/qemu -S -M pc -m 1024 -smp 1 -nographic -nodefaults \
+-monitor unix:/tmp/test-monitor,server,nowait -no-acpi -boot c -usb \
+-hda /var/lib/libvirt/images/QEMUGuest1 \
+-device qxl-vga,id=video0,ram_size=67108864,vram_size=67108864,bus=pci.0\
+,addr=0x2 -device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x3
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-video-qxl-device.xml b/tests/qemuxml2argvdata/qemuxml2argv-video-qxl-device.xml
new file mode 100644
index 0000000..9fc42af
--- /dev/null
+++ b/tests/qemuxml2argvdata/qemuxml2argv-video-qxl-device.xml
@@ -0,0 +1,29 @@
+<domain type='qemu'>
+  <name>QEMUGuest1</name>
+  <uuid>c7a5fdbd-edaf-9455-926a-d65c16db1809</uuid>
+  <memory unit='KiB'>1048576</memory>
+  <currentMemory unit='KiB'>1048576</currentMemory>
+  <vcpu>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'/>
+    <video>
+      <model type='qxl' heads='1'/>
+    </video>
+    <memballoon model='virtio'/>
+  </devices>
+</domain>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-video-qxl-nodevice.args b/tests/qemuxml2argvdata/qemuxml2argv-video-qxl-nodevice.args
new file mode 100644
index 0000000..a6ac6d8
--- /dev/null
+++ b/tests/qemuxml2argvdata/qemuxml2argv-video-qxl-nodevice.args
@@ -0,0 +1,5 @@
+LC_ALL=C PATH=/bin HOME=/home/test USER=test LOGNAME=test QEMU_AUDIO_DRV=none \
+/usr/bin/qemu -S -M pc -m 1024 -smp 1 -nographic \
+-monitor unix:/tmp/test-monitor,server,nowait -no-acpi -boot c -usb \
+-hda /var/lib/libvirt/images/QEMUGuest1 -net none -serial none -parallel none \
+-vga qxl
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-video-qxl-nodevice.xml b/tests/qemuxml2argvdata/qemuxml2argv-video-qxl-nodevice.xml
new file mode 100644
index 0000000..9fc42af
--- /dev/null
+++ b/tests/qemuxml2argvdata/qemuxml2argv-video-qxl-nodevice.xml
@@ -0,0 +1,29 @@
+<domain type='qemu'>
+  <name>QEMUGuest1</name>
+  <uuid>c7a5fdbd-edaf-9455-926a-d65c16db1809</uuid>
+  <memory unit='KiB'>1048576</memory>
+  <currentMemory unit='KiB'>1048576</currentMemory>
+  <vcpu>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'/>
+    <video>
+      <model type='qxl' heads='1'/>
+    </video>
+    <memballoon model='virtio'/>
+  </devices>
+</domain>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-video-qxl-sec-device-vgamem.args b/tests/qemuxml2argvdata/qemuxml2argv-video-qxl-sec-device-vgamem.args
new file mode 100644
index 0000000..5fc41bb
--- /dev/null
+++ b/tests/qemuxml2argvdata/qemuxml2argv-video-qxl-sec-device-vgamem.args
@@ -0,0 +1,8 @@
+LC_ALL=C PATH=/bin HOME=/home/test USER=test LOGNAME=test QEMU_AUDIO_DRV=none \
+/usr/bin/qemu -S -M pc -m 1024 -smp 1 -nographic -nodefaults \
+-monitor unix:/tmp/test-monitor,server,nowait -no-acpi -boot c -usb \
+-hda /var/lib/libvirt/images/QEMUGuest1 \
+-device qxl-vga,id=video0,ram_size=67108864,vram_size=67108864,bus=pci.0\
+,addr=0x2 -device qxl,id=video1,ram_size=67108864,vram_size=67108864,bus=pci.0\
+,addr=0x4 \
+-device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x3
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-video-qxl-sec-device-vgamem.xml b/tests/qemuxml2argvdata/qemuxml2argv-video-qxl-sec-device-vgamem.xml
new file mode 100644
index 0000000..0868f39
--- /dev/null
+++ b/tests/qemuxml2argvdata/qemuxml2argv-video-qxl-sec-device-vgamem.xml
@@ -0,0 +1,32 @@
+<domain type='qemu'>
+  <name>QEMUGuest1</name>
+  <uuid>c7a5fdbd-edaf-9455-926a-d65c16db1809</uuid>
+  <memory unit='KiB'>1048576</memory>
+  <currentMemory unit='KiB'>1048576</currentMemory>
+  <vcpu>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'/>
+    <video>
+      <model type='qxl' heads='1'/>
+    </video>
+    <video>
+      <model type='qxl' heads='1'/>
+    </video>
+    <memballoon model='virtio'/>
+  </devices>
+</domain>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-video-qxl-sec-device.args b/tests/qemuxml2argvdata/qemuxml2argv-video-qxl-sec-device.args
new file mode 100644
index 0000000..208408e
--- /dev/null
+++ b/tests/qemuxml2argvdata/qemuxml2argv-video-qxl-sec-device.args
@@ -0,0 +1,7 @@
+LC_ALL=C PATH=/bin HOME=/home/test USER=test LOGNAME=test QEMU_AUDIO_DRV=none \
+/usr/bin/qemu -S -M pc -m 1024 -smp 1 -nographic -nodefaults \
+-monitor unix:/tmp/test-monitor,server,nowait -no-acpi -boot c -usb \
+-hda /var/lib/libvirt/images/QEMUGuest1 \
+-device qxl-vga,id=video0,ram_size=67108864,vram_size=67108864,bus=pci.0\
+,addr=0x2 -device qxl,id=video1,ram_size=67108864,vram_size=67108864,bus=pci.0\
+,addr=0x4 -device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x3
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-video-qxl-sec-device.xml b/tests/qemuxml2argvdata/qemuxml2argv-video-qxl-sec-device.xml
new file mode 100644
index 0000000..0868f39
--- /dev/null
+++ b/tests/qemuxml2argvdata/qemuxml2argv-video-qxl-sec-device.xml
@@ -0,0 +1,32 @@
+<domain type='qemu'>
+  <name>QEMUGuest1</name>
+  <uuid>c7a5fdbd-edaf-9455-926a-d65c16db1809</uuid>
+  <memory unit='KiB'>1048576</memory>
+  <currentMemory unit='KiB'>1048576</currentMemory>
+  <vcpu>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'/>
+    <video>
+      <model type='qxl' heads='1'/>
+    </video>
+    <video>
+      <model type='qxl' heads='1'/>
+    </video>
+    <memballoon model='virtio'/>
+  </devices>
+</domain>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-video-qxl-sec-nodevice.xml b/tests/qemuxml2argvdata/qemuxml2argv-video-qxl-sec-nodevice.xml
new file mode 100644
index 0000000..0868f39
--- /dev/null
+++ b/tests/qemuxml2argvdata/qemuxml2argv-video-qxl-sec-nodevice.xml
@@ -0,0 +1,32 @@
+<domain type='qemu'>
+  <name>QEMUGuest1</name>
+  <uuid>c7a5fdbd-edaf-9455-926a-d65c16db1809</uuid>
+  <memory unit='KiB'>1048576</memory>
+  <currentMemory unit='KiB'>1048576</currentMemory>
+  <vcpu>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'/>
+    <video>
+      <model type='qxl' heads='1'/>
+    </video>
+    <video>
+      <model type='qxl' heads='1'/>
+    </video>
+    <memballoon model='virtio'/>
+  </devices>
+</domain>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-video-vga-device-vgamem.args b/tests/qemuxml2argvdata/qemuxml2argv-video-vga-device-vgamem.args
new file mode 100644
index 0000000..81e4aec
--- /dev/null
+++ b/tests/qemuxml2argvdata/qemuxml2argv-video-vga-device-vgamem.args
@@ -0,0 +1,6 @@
+LC_ALL=C PATH=/bin HOME=/home/test USER=test LOGNAME=test QEMU_AUDIO_DRV=none \
+/usr/bin/qemu -S -M pc -m 1024 -smp 1 -nographic -nodefaults \
+-monitor unix:/tmp/test-monitor,server,nowait -no-acpi -boot c -usb \
+-hda /var/lib/libvirt/images/QEMUGuest1 \
+-device VGA,id=video0,vgamem_mb=16,bus=pci.0,addr=0x2 \
+-device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x3
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-video-vga-device-vgamem.xml b/tests/qemuxml2argvdata/qemuxml2argv-video-vga-device-vgamem.xml
new file mode 100644
index 0000000..9b1ddfc
--- /dev/null
+++ b/tests/qemuxml2argvdata/qemuxml2argv-video-vga-device-vgamem.xml
@@ -0,0 +1,29 @@
+<domain type='qemu'>
+  <name>QEMUGuest1</name>
+  <uuid>c7a5fdbd-edaf-9455-926a-d65c16db1809</uuid>
+  <memory unit='KiB'>1048576</memory>
+  <currentMemory unit='KiB'>1048576</currentMemory>
+  <vcpu>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'/>
+    <video>
+      <model type='vga' vram='16384' heads='1'/>
+    </video>
+    <memballoon model='virtio'/>
+  </devices>
+</domain>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-video-vga-device.args b/tests/qemuxml2argvdata/qemuxml2argv-video-vga-device.args
new file mode 100644
index 0000000..f822280
--- /dev/null
+++ b/tests/qemuxml2argvdata/qemuxml2argv-video-vga-device.args
@@ -0,0 +1,6 @@
+LC_ALL=C PATH=/bin HOME=/home/test USER=test LOGNAME=test QEMU_AUDIO_DRV=none \
+/usr/bin/qemu -S -M pc -m 1024 -smp 1 -nographic -nodefaults \
+-monitor unix:/tmp/test-monitor,server,nowait -no-acpi -boot c -usb \
+-hda /var/lib/libvirt/images/QEMUGuest1 \
+-device VGA,id=video0,bus=pci.0,addr=0x2 \
+-device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x3
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-video-vga-device.xml b/tests/qemuxml2argvdata/qemuxml2argv-video-vga-device.xml
new file mode 100644
index 0000000..9b1ddfc
--- /dev/null
+++ b/tests/qemuxml2argvdata/qemuxml2argv-video-vga-device.xml
@@ -0,0 +1,29 @@
+<domain type='qemu'>
+  <name>QEMUGuest1</name>
+  <uuid>c7a5fdbd-edaf-9455-926a-d65c16db1809</uuid>
+  <memory unit='KiB'>1048576</memory>
+  <currentMemory unit='KiB'>1048576</currentMemory>
+  <vcpu>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'/>
+    <video>
+      <model type='vga' vram='16384' heads='1'/>
+    </video>
+    <memballoon model='virtio'/>
+  </devices>
+</domain>
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-video-vga-nodevice.args b/tests/qemuxml2argvdata/qemuxml2argv-video-vga-nodevice.args
new file mode 100644
index 0000000..7b5f151
--- /dev/null
+++ b/tests/qemuxml2argvdata/qemuxml2argv-video-vga-nodevice.args
@@ -0,0 +1,5 @@
+LC_ALL=C PATH=/bin HOME=/home/test USER=test LOGNAME=test QEMU_AUDIO_DRV=none \
+/usr/bin/qemu -S -M pc -m 1024 -smp 1 -nographic \
+-monitor unix:/tmp/test-monitor,server,nowait -no-acpi -boot c -usb \
+-hda /var/lib/libvirt/images/QEMUGuest1 -net none -serial none -parallel none \
+-vga std
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-video-vga-nodevice.xml b/tests/qemuxml2argvdata/qemuxml2argv-video-vga-nodevice.xml
new file mode 100644
index 0000000..9b1ddfc
--- /dev/null
+++ b/tests/qemuxml2argvdata/qemuxml2argv-video-vga-nodevice.xml
@@ -0,0 +1,29 @@
+<domain type='qemu'>
+  <name>QEMUGuest1</name>
+  <uuid>c7a5fdbd-edaf-9455-926a-d65c16db1809</uuid>
+  <memory unit='KiB'>1048576</memory>
+  <currentMemory unit='KiB'>1048576</currentMemory>
+  <vcpu>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'/>
+    <video>
+      <model type='vga' vram='16384' heads='1'/>
+    </video>
+    <memballoon model='virtio'/>
+  </devices>
+</domain>
diff --git a/tests/qemuxml2argvtest.c b/tests/qemuxml2argvtest.c
index b2e60e8..8e7aef3 100644
--- a/tests/qemuxml2argvtest.c
+++ b/tests/qemuxml2argvtest.c
@@ -1351,6 +1351,22 @@ mymain(void)
             QEMU_CAPS_DEVICE, QEMU_CAPS_DEVICE_VIDEO_PRIMARY,
             QEMU_CAPS_DEVICE_QXL, QEMU_CAPS_DEVICE_QXL_VGA,
             QEMU_CAPS_DEVICE_PCI_BRIDGE);
+    DO_TEST("video-vga-nodevice", QEMU_CAPS_VGA);
+    DO_TEST("video-vga-device", QEMU_CAPS_DEVICE, QEMU_CAPS_DEVICE_VGA,
+            QEMU_CAPS_DEVICE_VIDEO_PRIMARY);
+    DO_TEST("video-vga-device-vgamem", QEMU_CAPS_DEVICE, QEMU_CAPS_DEVICE_VGA,
+            QEMU_CAPS_DEVICE_VIDEO_PRIMARY, QEMU_CAPS_VGA_VGAMEM);
+    DO_TEST("video-qxl-nodevice", QEMU_CAPS_VGA, QEMU_CAPS_VGA_QXL);
+    DO_TEST("video-qxl-device", QEMU_CAPS_DEVICE, QEMU_CAPS_DEVICE_QXL_VGA,
+            QEMU_CAPS_DEVICE_VIDEO_PRIMARY);
+    DO_TEST("video-qxl-device-vgamem", QEMU_CAPS_DEVICE,
+            QEMU_CAPS_DEVICE_QXL_VGA, QEMU_CAPS_DEVICE_VIDEO_PRIMARY);
+    DO_TEST_FAILURE("video-qxl-sec-nodevice", QEMU_CAPS_VGA, QEMU_CAPS_VGA_QXL);
+    DO_TEST("video-qxl-sec-device", QEMU_CAPS_DEVICE, QEMU_CAPS_DEVICE_QXL_VGA,
+            QEMU_CAPS_DEVICE_QXL, QEMU_CAPS_DEVICE_VIDEO_PRIMARY);
+    DO_TEST("video-qxl-sec-device-vgamem", QEMU_CAPS_DEVICE,
+            QEMU_CAPS_DEVICE_QXL_VGA, QEMU_CAPS_DEVICE_QXL,
+            QEMU_CAPS_DEVICE_VIDEO_PRIMARY);
 
     DO_TEST("virtio-rng-default", QEMU_CAPS_DEVICE, QEMU_CAPS_DEVICE_VIRTIO_RNG,
             QEMU_CAPS_OBJECT_RNG_RANDOM);
-- 
2.0.4


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