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conf: Format interface's driver more frequently

Browse Source 
https://bugzilla.redhat.com/show_bug.cgi?id=1128751

There's this <driver/> element under <interface/> which can have
several attributes. However, the driver element is currently formated
only if the driver's name or txmode has been specified. This makes
only a little sense as we parse even partial <driver/>, for instance:

    <interface type='user'>
      <mac address='52:54:00:e5:48:58'/>
      <model type='virtio'/>
      <driver ioeventfd='on' event_idx='on' queues='5'/>
    </interface>

But such XML would never get formatted back.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
This commit is contained in:
Michal Privoznik 2014-08-11 14:51:49 +02:00
parent 51cb34b31d
commit 3085702b54
3 changed files with 55 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
src/conf/domain_conf.c
View File

@ -16286,7 +16286,9 @@ virDomainNetDefFormat(virBufferPtr buf,
virBufferEscapeString(buf, "<model type='%s'/>\n",
def->model);
if (STREQ(def->model, "virtio") &&
(def->driver.virtio.name || def->driver.virtio.txmode)) {
(def->driver.virtio.name || def->driver.virtio.txmode ||
def->driver.virtio.ioeventfd || def->driver.virtio.event_idx ||
def->driver.virtio.queues)) {
virBufferAddLit(buf, "<driver");
if (def->driver.virtio.name) {
virBufferAsprintf(buf, " name='%s'",

51
tests/qemuxml2argvdata/qemuxml2argv-interface-driver.xml Normal file
View File

@ -0,0 +1,51 @@
<domain type='qemu'>
<name>test</name>
<uuid>15d091de-0181-456b-9554-e4382dc1f1ab</uuid>
<memory unit='KiB'>1048576</memory>
<currentMemory unit='KiB'>1048576</currentMemory>
<vcpu placement='static'>1</vcpu>
<os>
<type arch='x86_64' machine='pc-0.13'>hvm</type>
<boot dev='cdrom'/>
<boot dev='hd'/>
<bootmenu enable='yes'/>
</os>
<clock offset='utc'/>
<on_poweroff>destroy</on_poweroff>
<on_reboot>restart</on_reboot>
<on_crash>restart</on_crash>
<devices>
<emulator>/usr/bin/qemu</emulator>
<disk type='file' device='disk'>
<driver name='qemu' type='qcow2' event_idx='on'/>
<source file='/var/lib/libvirt/images/f14.img'/>
<target dev='vda' bus='virtio'/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x04' function='0x0'/>
</disk>
<disk type='file' device='cdrom'>
<driver name='qemu' type='raw'/>
<source file='/var/lib/libvirt/Fedora-14-x86_64-Live-KDE.iso'/>
<target dev='hdc' bus='ide'/>
<readonly/>
<address type='drive' controller='0' bus='1' target='0' unit='0'/>
</disk>
<controller type='usb' index='0'/>
<controller type='virtio-serial' index='0'>
<address type='pci' domain='0x0000' bus='0x00' slot='0x06' function='0x0'/>
</controller>
<controller type='ide' index='0'/>
<controller type='pci' index='0' model='pci-root'/>
<interface type='user'>
<mac address='52:54:00:e5:48:58'/>
<model type='virtio'/>
<driver ioeventfd='on' event_idx='on' queues='5'/>
</interface>
<serial type='pty'>
<target port='0'/>
</serial>
<console type='pty'>
<target type='serial' port='0'/>
</console>
<memballoon model='virtio'/>
</devices>
</domain>

1
tests/qemuxml2xmltest.c
View File

@ -299,6 +299,7 @@ mymain(void)
DO_TEST("lease");
DO_TEST("event_idx");
DO_TEST("vhost_queues");
DO_TEST("interface-driver");
DO_TEST("virtio-lun");
DO_TEST("usb-redir");