[libvirt] vhost-net configuration
Cal Heldenbrand
cal at fbsdata.com
Fri May 20 16:28:16 UTC 2011
I should also add that I did compile qemu with vhost-net enabled:
# /usr/local/bin/qemu-system-x86_64 -device virtio-net-pci,?
virtio-net-pci.ioeventfd=on/off
virtio-net-pci.vectors=uint32
virtio-net-pci.indirect_desc=on/off
virtio-net-pci.csum=on/off
virtio-net-pci.guest_csum=on/off
virtio-net-pci.gso=on/off
virtio-net-pci.guest_tso4=on/off
virtio-net-pci.guest_tso6=on/off
virtio-net-pci.guest_ecn=on/off
virtio-net-pci.guest_ufo=on/off
virtio-net-pci.host_tso4=on/off
virtio-net-pci.host_tso6=on/off
virtio-net-pci.host_ecn=on/off
virtio-net-pci.host_ufo=on/off
virtio-net-pci.mrg_rxbuf=on/off
virtio-net-pci.status=on/off
virtio-net-pci.ctrl_vq=on/off
virtio-net-pci.ctrl_rx=on/off
virtio-net-pci.ctrl_vlan=on/off
virtio-net-pci.ctrl_rx_extra=on/off
virtio-net-pci.mac=macaddr
virtio-net-pci.vlan=vlan
virtio-net-pci.netdev=netdev
virtio-net-pci.bootindex=int32
virtio-net-pci.x-txtimer=uint32
virtio-net-pci.x-txburst=int32
virtio-net-pci.tx=string
On Fri, May 20, 2011 at 11:15 AM, Cal Heldenbrand <cal at fbsdata.com> wrote:
> Hi everyone,
>
> I'm trying to test out the virtio driver's "tx=bh" option, or iothread in
> libvirt. When I create a machine, I get the "unsupported" error message:
>
> # virsh create web101.xml
> error: Failed to create domain from web101.xml
> error: unsupported configuration: vhost-net is not supported with this QEMU
> binary
>
> My interface XML looks like this:
>
> <interface type='bridge'>
> <mac address='52:54:00:6f:51:43'/>
> <source bridge='vnet0'/>
> <model type='virtio'/>
> <driver name='vhost' txmode='iothread'/>
> <address type='pci' domain='0x0000' bus='0x00' slot='0x03'
> function='0x0'/>
> </interface>
>
>
> I've compiled libvirt (0.9.1) and QEMU (0.14.1) from source, but am still
> using my distro's kernel, 2.6.32-71.29.1.el6.x86_64. (Scientific Linux 6)
>
> Thanks, and please let me know if you need any more info!
>
> --Cal
>
>
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