From 6abf3f12df5173dc12af69827fbee98811f83959 Mon Sep 17 00:00:00 2001
Message-Id: <6abf3f12df5173dc12af69827fbee98811f83959@dist-git>
From: =?UTF-8?q?J=C3=A1n=20Tomko?= <jtomko@redhat.com>
Date: Fri, 9 Jun 2017 12:49:06 +0200
Subject: [PATCH] Add virtio-related options to video
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
https://bugzilla.redhat.com/show_bug.cgi?id=1283251
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
(cherry picked from commit f5384fb4029a59624e728a2e0d37e6a62efbdc52)
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
---
docs/formatdomain.html.in | 12 ++++++++++
docs/schemas/domaincommon.rng | 5 ++++
src/conf/domain_conf.c | 27 ++++++++++++++++++++--
src/conf/domain_conf.h | 1 +
.../qemuxml2argv-virtio-options.xml | 1 +
5 files changed, 44 insertions(+), 2 deletions(-)
diff --git a/docs/formatdomain.html.in b/docs/formatdomain.html.in
index 2e5c669c4a..6be015f866 100644
--- a/docs/formatdomain.html.in
+++ b/docs/formatdomain.html.in
@@ -6133,6 +6133,18 @@ qemu-kvm -net nic,model=? /dev/null
The optional <code>address</code> sub-element can be used to
tie the video device to a particular PCI slot.
</dd>
+
+ <dt><code>driver</code></dt>
+ <dd>
+ The subelement <code>driver</code> can be used to tune the device:
+ <dl>
+ <dt>virtio options</dt>
+ <dd>
+ <a href="#elementsVirtio">Virtio-specific options</a> can also be
+ set. (<span class="since">Since 3.5.0</span>)
+ </dd>
+ </dl>
+ </dd>
</dl>
<h4><a name="elementsConsole">Consoles, serial, parallel & channel devices</a></h4>
diff --git a/docs/schemas/domaincommon.rng b/docs/schemas/domaincommon.rng
index 7e80275029..ee49d6eb58 100644
--- a/docs/schemas/domaincommon.rng
+++ b/docs/schemas/domaincommon.rng
@@ -3165,6 +3165,11 @@
<define name="video">
<element name="video">
<optional>
+ <element name="driver">
+ <ref name="virtioOptions"/>
+ </element>
+ </optional>
+ <optional>
<element name="model">
<choice>
<attribute name="type">
diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
index 059c006b69..a0de639e51 100644
--- a/src/conf/domain_conf.c
+++ b/src/conf/domain_conf.c
@@ -2339,6 +2339,7 @@ void virDomainVideoDefFree(virDomainVideoDefPtr def)
virDomainDeviceInfoClear(&def->info);
VIR_FREE(def->accel);
+ VIR_FREE(def->virtio);
VIR_FREE(def);
}
@@ -13499,11 +13500,13 @@ virDomainVideoAccelDefParseXML(xmlNodePtr node)
static virDomainVideoDefPtr
virDomainVideoDefParseXML(xmlNodePtr node,
+ xmlXPathContextPtr ctxt,
const virDomainDef *dom,
unsigned int flags)
{
virDomainVideoDefPtr def;
xmlNodePtr cur;
+ xmlNodePtr saved = ctxt->node;
char *type = NULL;
char *heads = NULL;
char *vram = NULL;
@@ -13512,6 +13515,8 @@ virDomainVideoDefParseXML(xmlNodePtr node,
char *vgamem = NULL;
char *primary = NULL;
+ ctxt->node = node;
+
if (VIR_ALLOC(def) < 0)
return NULL;
@@ -13613,7 +13618,12 @@ virDomainVideoDefParseXML(xmlNodePtr node,
if (virDomainDeviceInfoParseXML(node, NULL, &def->info, flags) < 0)
goto error;
+ if (virDomainVirtioOptionsParseXML(ctxt, &def->virtio) < 0)
+ goto error;
+
cleanup:
+ ctxt->node = saved;
+
VIR_FREE(type);
VIR_FREE(ram);
VIR_FREE(vram);
@@ -14412,7 +14422,7 @@ virDomainDeviceDefParse(const char *xmlStr,
goto error;
break;
case VIR_DOMAIN_DEVICE_VIDEO:
- if (!(dev->data.video = virDomainVideoDefParseXML(node, def, flags)))
+ if (!(dev->data.video = virDomainVideoDefParseXML(node, ctxt, def, flags)))
goto error;
break;
case VIR_DOMAIN_DEVICE_HOSTDEV:
@@ -18347,7 +18357,7 @@ virDomainDefParseXML(xmlDocPtr xml,
virDomainVideoDefPtr video;
ssize_t insertAt = -1;
- if (!(video = virDomainVideoDefParseXML(nodes[i], def, flags)))
+ if (!(video = virDomainVideoDefParseXML(nodes[i], ctxt, def, flags)))
goto error;
if (video->primary) {
@@ -19414,6 +19424,10 @@ virDomainVideoDefCheckABIStability(virDomainVideoDefPtr src,
}
}
+ if (src->virtio && dst->virtio &&
+ !virDomainVirtioOptionsCheckABIStability(src->virtio, dst->virtio))
+ return false;
+
if (!virDomainDeviceInfoCheckABIStability(&src->info, &dst->info))
return false;
@@ -23332,6 +23346,7 @@ virDomainVideoDefFormat(virBufferPtr buf,
unsigned int flags)
{
const char *model = virDomainVideoTypeToString(def->type);
+ virBuffer driverBuf = VIR_BUFFER_INITIALIZER;
if (!model) {
virReportError(VIR_ERR_INTERNAL_ERROR,
@@ -23341,6 +23356,14 @@ virDomainVideoDefFormat(virBufferPtr buf,
virBufferAddLit(buf, "<video>\n");
virBufferAdjustIndent(buf, 2);
+ virDomainVirtioOptionsFormat(&driverBuf, def->virtio);
+ if (virBufferCheckError(&driverBuf) < 0)
+ return -1;
+ if (virBufferUse(&driverBuf)) {
+ virBufferAddLit(buf, "<driver");
+ virBufferAddBuffer(buf, &driverBuf);
+ virBufferAddLit(buf, "/>\n");
+ }
virBufferAsprintf(buf, "<model type='%s'",
model);
if (def->ram)
diff --git a/src/conf/domain_conf.h b/src/conf/domain_conf.h
index 8cb9d5d0b1..b79fb50c79 100644
--- a/src/conf/domain_conf.h
+++ b/src/conf/domain_conf.h
@@ -1376,6 +1376,7 @@ struct _virDomainVideoDef {
bool primary;
virDomainVideoAccelDefPtr accel;
virDomainDeviceInfo info;
+ virDomainVirtioOptionsPtr virtio;
};
/* graphics console modes */
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-virtio-options.xml b/tests/qemuxml2argvdata/qemuxml2argv-virtio-options.xml
index b7b95014cd..85d1145263 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-virtio-options.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-virtio-options.xml
@@ -69,6 +69,7 @@
<input type='mouse' bus='ps2'/>
<input type='keyboard' bus='ps2'/>
<video>
+ <driver iommu='on' ats='on'/>
<model type='virtio' heads='1' primary='yes'>
<acceleration accel3d='yes'/>
</model>
--
2.13.1