<controller type='scsi' index='0' model='virtio-scsi'>
<driver compatibility='modern'/>
</controller>
https://bugzilla.redhat.com/show_bug.cgi?id=1227354
---
docs/formatdomain.html.in | 9 ++++++++-
docs/schemas/domaincommon.rng | 3 +++
src/conf/domain_conf.c | 7 +++++++
src/conf/domain_conf.h | 1 +
tests/qemuxml2argvdata/qemuxml2argv-virtio-revision.xml | 10 ++++++++++
tests/qemuxml2xmloutdata/qemuxml2xmlout-virtio-revision.xml | 10 ++++++++++
6 files changed, 39 insertions(+), 1 deletion(-)
diff --git a/docs/formatdomain.html.in b/docs/formatdomain.html.in
index 3f06613..e208767 100644
--- a/docs/formatdomain.html.in
+++ b/docs/formatdomain.html.in
@@ -3126,7 +3126,7 @@
<address type='pci' domain='0x0000' bus='0x00' slot='0x0a' function='0x0'/>
</controller>
<controller type='scsi' index='0' model='virtio-scsi'>
- <driver iothread='4'>
+ <driver iothread='4' compatibility='modern'>
<address type='pci' domain='0x0000' bus='0x00' slot='0x0b' function='0x0'/>
</controller>
...
@@ -3238,6 +3238,13 @@
<code>iothread</code> value. The <code>iothread</code> value
must be within the range 1 to the domain iothreads value.
</dd>
+ <dt><code>compatibility</code></dt>
+ <dd>
+ The <code>compatibility</code> attribute can be used to specify the
+ compatibility of virtio devices. Allowed values are <code>legacy</code>,
+ <code>transitional</code> and <code>modern</code>.
+ <span class="since">Since 2.2.0</span>.
+ </dd>
</dl>
<p>
USB companion controllers have an optional
diff --git a/docs/schemas/domaincommon.rng b/docs/schemas/domaincommon.rng
index 2cf3c1b..9f912d2 100644
--- a/docs/schemas/domaincommon.rng
+++ b/docs/schemas/domaincommon.rng
@@ -1944,6 +1944,9 @@
<optional>
<ref name="driverIOThread"/>
</optional>
+ <optional>
+ <ref name="compatibility"/>
+ </optional>
</element>
</optional>
</interleave>
diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
index b7a5e26..1916bb8 100644
--- a/src/conf/domain_conf.c
+++ b/src/conf/domain_conf.c
@@ -8283,6 +8283,9 @@ virDomainControllerDefParseXML(xmlNodePtr node,
cur = cur->next;
}
+ if (virDomainDriverCompatibilityParseXML(ctxt, &def->compatibility) < 0)
+ goto error;
+
/* node is parsed differently from target attributes because
* someone thought it should be a subelement instead...
*/
@@ -20244,6 +20247,10 @@ virDomainControllerDefFormat(virBufferPtr buf,
if (def->iothread)
virBufferAsprintf(&driverBuf, " iothread='%u'", def->iothread);
+ if (def->compatibility)
+ virBufferAsprintf(&driverBuf, " compatibility='%s'",
+ virDomainDriverCompatibilityTypeToString(def->compatibility));
+
if (virBufferUse(&driverBuf)) {
virBufferAddLit(buf, "<driver");
virBufferAddBuffer(buf, &driverBuf);
diff --git a/src/conf/domain_conf.h b/src/conf/domain_conf.h
index 5ceb22a..1641ad9 100644
--- a/src/conf/domain_conf.h
+++ b/src/conf/domain_conf.h
@@ -764,6 +764,7 @@ struct _virDomainControllerDef {
virDomainUSBControllerOpts usbopts;
} opts;
virDomainDeviceInfo info;
+ virDomainDriverCompatibility compatibility;
};
diff --git a/tests/qemuxml2argvdata/qemuxml2argv-virtio-revision.xml b/tests/qemuxml2argvdata/qemuxml2argv-virtio-revision.xml
index c37a6c8..176a270 100644
--- a/tests/qemuxml2argvdata/qemuxml2argv-virtio-revision.xml
+++ b/tests/qemuxml2argvdata/qemuxml2argv-virtio-revision.xml
@@ -26,12 +26,22 @@
<target dev='vdb' bus='virtio'/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x0b' function='0x0'/>
</disk>
+ <disk type='file' device='disk'>
+ <driver name='qemu' type='raw'/>
+ <source file='/var/lib/libvirt/images/img3'/>
+ <target dev='sda' bus='scsi'/>
+ <address type='drive' controller='0' bus='0' target='0' unit='0'/>
+ </disk>
<controller type='usb' index='0'>
<address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x2'/>
</controller>
<controller type='ide' index='0'>
<address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x1'/>
</controller>
+ <controller type='scsi' index='0' model='virtio-scsi'>
+ <driver compatibility='transitional'/>
+ <address type='pci' domain='0x0000' bus='0x00' slot='0x08' function='0x0'/>
+ </controller>
<controller type='pci' index='0' model='pci-root'/>
<controller type='virtio-serial' index='0'>
<address type='pci' domain='0x0000' bus='0x00' slot='0x09' function='0x0'/>
diff --git a/tests/qemuxml2xmloutdata/qemuxml2xmlout-virtio-revision.xml b/tests/qemuxml2xmloutdata/qemuxml2xmlout-virtio-revision.xml
index c37a6c8..176a270 100644
--- a/tests/qemuxml2xmloutdata/qemuxml2xmlout-virtio-revision.xml
+++ b/tests/qemuxml2xmloutdata/qemuxml2xmlout-virtio-revision.xml
@@ -26,12 +26,22 @@
<target dev='vdb' bus='virtio'/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x0b' function='0x0'/>
</disk>
+ <disk type='file' device='disk'>
+ <driver name='qemu' type='raw'/>
+ <source file='/var/lib/libvirt/images/img3'/>
+ <target dev='sda' bus='scsi'/>
+ <address type='drive' controller='0' bus='0' target='0' unit='0'/>
+ </disk>
<controller type='usb' index='0'>
<address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x2'/>
</controller>
<controller type='ide' index='0'>
<address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x1'/>
</controller>
+ <controller type='scsi' index='0' model='virtio-scsi'>
+ <driver compatibility='transitional'/>
+ <address type='pci' domain='0x0000' bus='0x00' slot='0x08' function='0x0'/>
+ </controller>
<controller type='pci' index='0' model='pci-root'/>
<controller type='virtio-serial' index='0'>
<address type='pci' domain='0x0000' bus='0x00' slot='0x09' function='0x0'/>
--
2.7.3
--
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