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qemu-command: introduce new vgamem attribute for QXL video device

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Add attribute to set vgamem_mb parameter of QXL device for QEMU. This
value sets the size of VGA framebuffer for QXL device. Default value in
QEMU is 8MB so reuse it also in libvirt to not break things.

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

Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
This commit is contained in:
Pavel Hrdina 2014-11-20 19:52:00 +01:00
parent 24c6ca860e
commit 742d49fa17
16 changed files with 94 additions and 20 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
docs/formatdomain.html.in
View File

@ -4732,7 +4732,10 @@ qemu-kvm -net nic,model=? /dev/null
only and specifies the size of the primary bar, while the optional
attribute <code>vram</code> specifies the secondary bar size.
If "ram" or "vram" are not supplied a default value is used. The ram
should also be rounded to power of two as vram.
should also be rounded to power of two as vram. There is also optional
attribute <code>vgamem</code> (<span class="since">since 1.2.11 (QEMU
only)</span>) to set the size of VGA framebuffer for fallback mode of
QXL device.
</p>
</dd>

5
docs/schemas/domaincommon.rng
View File

@ -2877,6 +2877,11 @@
<ref name="unsignedInt"/>
</attribute>
</optional>
<optional>
<attribute name="vgamem">
<ref name="unsignedInt"/>
</attribute>
</optional>
</group>
</choice>
<optional>

26
src/conf/domain_conf.c
View File

@ -10272,6 +10272,7 @@ virDomainVideoDefParseXML(xmlNodePtr node,
char *heads = NULL;
char *vram = NULL;
char *ram = NULL;
char *vgamem = NULL;
char *primary = NULL;
if (VIR_ALLOC(def) < 0)
@ -10285,6 +10286,7 @@ virDomainVideoDefParseXML(xmlNodePtr node,
type = virXMLPropString(cur, "type");
ram = virXMLPropString(cur, "ram");
vram = virXMLPropString(cur, "vram");
vgamem = virXMLPropString(cur, "vgamem");
heads = virXMLPropString(cur, "heads");
if ((primary = virXMLPropString(cur, "primary")) != NULL) {
@ -10338,6 +10340,19 @@ virDomainVideoDefParseXML(xmlNodePtr node,
def->vram = virDomainVideoDefaultRAM(dom, def->type);
}
if (vgamem) {
if (def->type != VIR_DOMAIN_VIDEO_TYPE_QXL) {
virReportError(VIR_ERR_XML_ERROR, "%s",
_("vgamem attribute only supported for type of qxl"));
goto error;
}
if (virStrToLong_ui(vgamem, NULL, 10, &def->vgamem) < 0) {
virReportError(VIR_ERR_XML_ERROR,
_("cannot parse video vgamem '%s'"), vgamem);
goto error;
}
}
if (heads) {
if (virStrToLong_ui(heads, NULL, 10, &def->heads) < 0) {
virReportError(VIR_ERR_INTERNAL_ERROR,
@ -10354,6 +10369,7 @@ virDomainVideoDefParseXML(xmlNodePtr node,
VIR_FREE(type);
VIR_FREE(ram);
VIR_FREE(vram);
VIR_FREE(vgamem);
VIR_FREE(heads);
return def;
@ -10363,6 +10379,7 @@ virDomainVideoDefParseXML(xmlNodePtr node,
VIR_FREE(type);
VIR_FREE(ram);
VIR_FREE(vram);
VIR_FREE(vgamem);
VIR_FREE(heads);
return NULL;
}
@ -14739,6 +14756,13 @@ virDomainVideoDefCheckABIStability(virDomainVideoDefPtr src,
return false;
}
if (src->vgamem != dst->vgamem) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("Target video card vgamem %u does not match source %u"),
dst->vgamem, src->vgamem);
return false;
}
if (src->heads != dst->heads) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED,
_("Target video card heads %u does not match source %u"),
@ -18119,6 +18143,8 @@ virDomainVideoDefFormat(virBufferPtr buf,
virBufferAsprintf(buf, " ram='%u'", def->ram);
if (def->vram)
virBufferAsprintf(buf, " vram='%u'", def->vram);
if (def->vgamem)
virBufferAsprintf(buf, " vgamem='%u'", def->vgamem);
if (def->heads)
virBufferAsprintf(buf, " heads='%u'", def->heads);
if (def->primary)

1
src/conf/domain_conf.h
View File

@ -1293,6 +1293,7 @@ struct _virDomainVideoDef {
int type;
unsigned int ram; /* kibibytes (multiples of 1024) */
unsigned int vram; /* kibibytes (multiples of 1024) */
unsigned int vgamem; /* kibibytes (multiples of 1024) */
unsigned int heads;
bool primary;
virDomainVideoAccelDefPtr accel;

22
src/qemu/qemu_command.c
View File

@ -4911,6 +4911,12 @@ qemuBuildDeviceVideoStr(virDomainDefPtr def,
/* QEMU accepts bytes for vram_size. */
virBufferAsprintf(&buf, ",vram_size=%u", video->vram * 1024);
}
if ((primary && virQEMUCapsGet(qemuCaps, QEMU_CAPS_QXL_VGA_VGAMEM)) ||
(!primary && virQEMUCapsGet(qemuCaps, QEMU_CAPS_QXL_VGAMEM))) {
/* QEMU accepts mebibytes for vgamem_mb. */
virBufferAsprintf(&buf, ",vgamem_mb=%u", video->vgamem / 1024);
}
} else if (video->vram &&
((video->type == VIR_DOMAIN_VIDEO_TYPE_VGA &&
virQEMUCapsGet(qemuCaps, QEMU_CAPS_VGA_VGAMEM)) ||
@ -9244,6 +9250,7 @@ qemuBuildCommandLine(virConnectPtr conn,
virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE)) {
unsigned int ram = def->videos[0]->ram;
unsigned int vram = def->videos[0]->vram;
unsigned int vgamem = def->videos[0]->vgamem;
if (vram > (UINT_MAX / 1024)) {
virReportError(VIR_ERR_OVERFLOW,
@ -9268,6 +9275,12 @@ qemuBuildCommandLine(virConnectPtr conn,
virCommandAddArgFormat(cmd, "%s.vram_size=%u",
dev, vram * 1024);
}
if (vgamem &&
virQEMUCapsGet(qemuCaps, QEMU_CAPS_QXL_VGA_VGAMEM)) {
virCommandAddArg(cmd, "-global");
virCommandAddArgFormat(cmd, "%s.vgamem_mb=%u",
dev, vgamem / 1024);
}
}
if (virQEMUCapsGet(qemuCaps, QEMU_CAPS_DEVICE) &&
@ -12284,8 +12297,13 @@ qemuParseCommandLine(virCapsPtr qemuCaps,
else
vid->type = video;
vid->vram = virDomainVideoDefaultRAM(def, vid->type);
vid->ram = vid->type == VIR_DOMAIN_VIDEO_TYPE_QXL ?
virDomainVideoDefaultRAM(def, vid->type) : 0;
if (vid->type == VIR_DOMAIN_VIDEO_TYPE_QXL) {
vid->ram = virDomainVideoDefaultRAM(def, vid->type);
vid->vgamem = 8 * 1024;
} else {
vid->ram = 0;
vid->vgamem = 0;
}
vid->heads = 1;
if (VIR_APPEND_ELEMENT(def->videos, def->nvideos, vid) < 0) {

19
src/qemu/qemu_domain.c
View File

@ -1176,6 +1176,25 @@ qemuDomainDeviceDefPostParse(virDomainDeviceDefPtr dev,
goto cleanup;
}
if (dev->type == VIR_DOMAIN_DEVICE_VIDEO &&
dev->data.video->type == VIR_DOMAIN_VIDEO_TYPE_QXL) {
if (dev->data.video->vgamem) {
if (dev->data.video->vgamem < 1024) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("value for 'vgamem' must be at least 1 MiB "
"(1024 KiB)"));
goto cleanup;
}
if (dev->data.video->vgamem != VIR_ROUND_UP_POWER_OF_TWO(dev->data.video->vgamem)) {
virReportError(VIR_ERR_CONFIG_UNSUPPORTED, "%s",
_("value for 'vgamem' must be power of two"));
goto cleanup;
}
} else {
dev->data.video->vgamem = 8 * 1024;
}
}
ret = 0;
cleanup:

4
tests/qemuxml2argvdata/qemuxml2argv-graphics-spice-compression.xml
View File

@ -33,10 +33,10 @@
<streaming mode='filter'/>
</graphics>
<video>
<model type='qxl' ram='65536' vram='32768' heads='1'/>
<model type='qxl' ram='65536' vram='32768' vgamem='8192' heads='1'/>
</video>
<video>
<model type='qxl' ram='65536' vram='32768' heads='1'/>
<model type='qxl' ram='65536' vram='32768' vgamem='8192' heads='1'/>
</video>
<memballoon model='virtio'/>
</devices>

4
tests/qemuxml2argvdata/qemuxml2argv-graphics-spice-qxl-vga.xml
View File

@ -30,10 +30,10 @@
<channel name='inputs' mode='insecure'/>
</graphics>
<video>
<model type='qxl' ram='65536' vram='32768' heads='1'/>
<model type='qxl' ram='65536' vram='32768' vgamem='8192' heads='1'/>
</video>
<video>
<model type='qxl' ram='65536' vram='65536' heads='1'/>
<model type='qxl' ram='65536' vram='65536' vgamem='8192' heads='1'/>
</video>
<memballoon model='virtio'/>
</devices>

4
tests/qemuxml2argvdata/qemuxml2argv-graphics-spice.xml
View File

@ -37,10 +37,10 @@
<filetransfer enable='no'/>
</graphics>
<video>
<model type='qxl' ram='65536' vram='32768' heads='1'/>
<model type='qxl' ram='65536' vram='32768' vgamem='8192' heads='1'/>
</video>
<video>
<model type='qxl' ram='65536' vram='32768' heads='1'/>
<model type='qxl' ram='65536' vram='32768' vgamem='8192' heads='1'/>
</video>
<memballoon model='virtio'/>
</devices>

2
tests/qemuxml2argvdata/qemuxml2argv-pcihole64-q35.xml
View File

@ -26,7 +26,7 @@
<controller type='pci' index='2' model='pci-bridge'/>
<controller type='sata' index='0'/>
<video>
<model type='qxl' ram='65536' vram='32768' heads='1'/>
<model type='qxl' ram='65536' vram='32768' vgamem='8192' heads='1'/>
</video>
<memballoon model='none'/>
</devices>

2
tests/qemuxml2argvdata/qemuxml2argv-q35.xml
View File

@ -23,7 +23,7 @@
<controller type='pci' index='1' model='dmi-to-pci-bridge'/>
<controller type='pci' index='2' model='pci-bridge'/>
<video>
<model type='qxl' ram='65536' vram='32768' heads='1'/>
<model type='qxl' ram='65536' vram='32768' vgamem='8192' heads='1'/>
</video>
<memballoon model='none'/>
</devices>

2
tests/qemuxml2argvdata/qemuxml2argv-serial-spiceport.xml
View File

@ -37,7 +37,7 @@
<listen type='address' address='127.0.0.1'/>
</graphics>
<video>
<model type='qxl' ram='65536' vram='65536' heads='1'/>
<model type='qxl' ram='65536' vram='65536' vgamem='8192' heads='1'/>
</video>
<memballoon model='virtio'/>
</devices>

4
tests/qemuxml2argvdata/qemuxml2argv-video-qxl-device-vgamem.args
View File

@ -2,5 +2,5 @@ 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 -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
-device qxl-vga,id=video0,ram_size=67108864,vram_size=67108864,vgamem_mb=8\
,bus=pci.0,addr=0x2 -device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x3

6
tests/qemuxml2argvdata/qemuxml2argv-video-qxl-sec-device-vgamem.args
View File

@ -2,7 +2,7 @@ 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 qxl-vga,id=video0,ram_size=67108864,vram_size=67108864,vgamem_mb=8\
,bus=pci.0,addr=0x2 -device qxl,id=video1,ram_size=67108864,vram_size=67108864\
,vgamem_mb=8,bus=pci.0,addr=0x4 \
-device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x3

6
tests/qemuxml2argvtest.c
View File

@ -1362,13 +1362,15 @@ mymain(void)
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);
QEMU_CAPS_DEVICE_QXL_VGA, QEMU_CAPS_DEVICE_VIDEO_PRIMARY,
QEMU_CAPS_QXL_VGA_VGAMEM);
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);
QEMU_CAPS_DEVICE_VIDEO_PRIMARY, QEMU_CAPS_QXL_VGA_VGAMEM,
QEMU_CAPS_QXL_VGAMEM);
DO_TEST("virtio-rng-default", QEMU_CAPS_DEVICE, QEMU_CAPS_DEVICE_VIRTIO_RNG,
QEMU_CAPS_OBJECT_RNG_RANDOM);

2
tests/qemuxml2xmloutdata/qemuxml2xmlout-q35.xml
View File

@ -24,7 +24,7 @@
<controller type='pci' index='2' model='pci-bridge'/>
<controller type='sata' index='0'/>
<video>
<model type='qxl' ram='65536' vram='32768' heads='1'/>
<model type='qxl' ram='65536' vram='32768' vgamem='8192' heads='1'/>
</video>
<memballoon model='none'/>
</devices>