[Xen-users] Re: Is there something missing for my NIC passthough?

[lei yang <yanglei.fage@xxxxxxxxx>]

On Thu, May 27, 2010 at 10:51 PM, lei yang <yanglei.fage@xxxxxxxxx> wrote:

> Â Âmy *intent* it to let domU to use "05:00.0" device.
>
> Â Âboot dom0 with Â"pci=resource_alignment=05:00.0
> Â Âxen-pciback.hide=(05:00.0)" appended
>
> Â Âmy domU config file is
>
> Â Âdisk = ['tap:aio:/domU.image,xvda1,w', 'tap:aio:/domUswap.image,xvda2,w']
> Â Âkernel = "/bzImage"
> Â Âvcpus=2
> Â Âvif Â= [ "mac=00:15:17:AC:00:40,ip=128.224.165.204" ]
> Â Âroot = "/dev/xvda1 ro"
> Â Âextra= "xen console=hvc0"
> Â Âpci = ['05:00.0']
>
> Â ÂIs there something I missed? eg: my cfg file or other configure? or other
> Â Âsteps
>

Yes, you're missing the required parameters for the domU kernel.

See: http://wiki.xensource.com/xenwiki/XenPCIpassthrough

Â

Â

Thanks Pasik "I will add "iommu=soft swiotlb=force"ãdoes it add into "domU.cfg" file with

ÂÂÂ disk = ['tap:aio:/domU.image,xvda1,w', 'tap:aio:/domUswap.image,xvda2,w']
ÂÂÂ kernel = "/bzImage"
ÂÂÂ vcpus=2
 vif = [ "mac=00:15:17:AC:00:40,ip=128.224.165.204" ]
ÂÂÂ root = "/dev/xvda1 ro"

ÂÂÂ extra= "xen console=hvc0 iommu=soft swiotlb=force"
ÂÂÂ pci = ['05:00.0']

Â

I just want to let domU nic using my pci nic directly. do I need to change my " vif = [ "mac=00:15:17:AC:00:40,ip=128.224.165.204" ]" or remove it?

Â

Â

if I remove "vif = [ "mac=00:15:17:AC:00:40,ip=128.224.165.204" ]"

Â

I find I can't find a networking interface

Â

root@localhost:/root> ifconfig
root@localhost:/root> ifconfig eth0 up
eth0: ERROR while getting interface flags: No such device
root@localhost:/root> ifconfig eth1 up
eth1: ERROR while getting interface flags: No such device
root@localhost:/root> ifconfig -a
loÂÂÂÂÂÂÂ Link encap:Local Loopback
ÂÂÂÂÂÂÂÂÂ LOOPBACKÂ MTU:16436Â Metric:1
ÂÂÂÂÂÂÂÂÂ RX packets:0 errors:0 dropped:0 overruns:0 frame:0
ÂÂÂÂÂÂÂÂÂ TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
ÂÂÂÂÂÂÂÂÂ collisions:0 txqueuelen:0
ÂÂÂÂÂÂÂÂÂ RX bytes:0 (0.0 b)Â TX bytes:0 (0.0 b)

root@localhost:/root> lspci
root@localhost:/root>

Â

Thanks

Lei

Â

Â

Â

-- Pasi

--
"We learn from failure, not from success!"

-- 
"We learn from failure, not from success!"
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