libvirt/tests/qemuxml2argvdata/qemuxml2argv-disk-virtio-scsi-num_queues.xml
Osier Yang d4bf0a9378 qemu: Support multiple queue virtio-scsi
This introduce a new attribute "num_queues" (same with the good name
QEMU uses) for virtio-scsi controller. An example of the XML:

<controller type='scsi' index='0' model='virtio-scsi' num_queues='8'/>

The corresponding QEMU command line:

-device virtio-scsi-pci,id=scsi0,num_queues=8,bus=pci.0,addr=0x3 \
2013-04-06 10:08:47 +08:00

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XML

<domain type='qemu'>
<name>QEMUGuest1</name>
<uuid>c7a5fdbd-edaf-9455-926a-d65c16db1809</uuid>
<memory unit='KiB'>219136</memory>
<currentMemory unit='KiB'>219136</currentMemory>
<vcpu placement='static'>8</vcpu>
<os>
<type arch='i686' machine='pc'>hvm</type>
<boot dev='hd'/>
</os>
<clock offset='utc'/>
<on_poweroff>destroy</on_poweroff>
<on_reboot>restart</on_reboot>
<on_crash>destroy</on_crash>
<devices>
<emulator>/usr/bin/qemu</emulator>
<disk type='block' device='disk'>
<source dev='/dev/HostVG/QEMUGuest1'/>
<target dev='sdb' bus='scsi'/>
<address type='drive' controller='0' bus='0' target='0' unit='0'/>
</disk>
<controller type='usb' index='0'/>
<controller type='scsi' index='0' model='virtio-scsi' num_queues='8'/>
<memballoon model='virtio'/>
</devices>
</domain>