Re: [libvirt] [PATCHv5 06/13] Add compatibility attribute to disks

A new attribute to alter the virtio revision: <disk> <driver compatibility='transitional'/> </disk> https://bugzilla.redhat.com/show_bug.cgi?id=1227354 --- docs/formatdomain.html.in | 8 +++++++- docs/schemas/domaincommon.rng | 3 +++ src/conf/domain_conf.c | 7 +++++++ src/conf/domain_conf.h | 1 + tests/qemuxml2argvdata/qemuxml2argv-virtio-revision.xml | 12 ++++++++++++ tests/qemuxml2xmloutdata/qemuxml2xmlout-virtio-revision.xml | 12 ++++++++++++ 6 files changed, 42 insertions(+), 1 deletion(-) diff --git a/docs/formatdomain.html.in b/docs/formatdomain.html.in index 56dddbd..3f06613 100644 --- a/docs/formatdomain.html.in +++ b/docs/formatdomain.html.in @@ -2084,7 +2084,7 @@ &lt;target dev='vdc' bus='virtio'/&gt; &lt;/disk&gt; &lt;disk type='file' device='disk'&gt; - &lt;driver name='qemu' type='qcow2'/&gt; + &lt;driver name='qemu' type='qcow2' compatibility='modern'/&gt; &lt;source file='/var/lib/libvirt/images/domain.qcow'/&gt; &lt;backingStore type='file'&gt; &lt;format type='qcow2'/&gt; @@ -2667,6 +2667,12 @@ <code>bus</code> and "pci" or "ccw" <code>address</code> types. <span class='since'>Since 1.2.8 (QEMU 2.1)</span> </li> + <li> + 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>.

+ </li> </ul> </dd> <dt><code>backenddomain</code></dt> diff --git a/docs/schemas/domaincommon.rng b/docs/schemas/domaincommon.rng index 8ed4b9d..2cf3c1b 100644 --- a/docs/schemas/domaincommon.rng +++ b/docs/schemas/domaincommon.rng @@ -1641,6 +1641,9 @@ <optional> <ref name="detect_zeroes"/> </optional> + <optional> + <ref name="compatibility"/> + </optional>

<empty/> </element> </define>