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RES: [Xen-users] Listing PCI Devices in a DomU


  • To: <xen-users@xxxxxxxxxxxxxxxxxxx>
  • From: "Felipe Franciosi" <ozzy@xxxxxxxxxxxxx>
  • Date: Mon, 27 Nov 2006 16:16:14 -0200
  • Delivery-date: Mon, 27 Nov 2006 10:18:32 -0800
  • List-id: Xen user discussion <xen-users.lists.xensource.com>
  • Thread-index: AccR99wQiP20BWN+Sc6px/Y8x4CZxgAVuWYg

We found out that it's possible to use a pci backend hack to hide a device
from Dom0 and bind it to a specific DomU.

The thing is that this will not fix my problem, as all I need is to the DomU
to see specific data about the network controller. I can't hide this device
from Dom0, or several other things will stop working. :)

I was thinking about writing a module that will assign a fake PCI device
just to provide my software with the information needed, but I was hoping
some expert soul on this list would help me get through with an easier
solution.

Thanks

--
=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=
 Felipe Franciosi                      +55-51-91230557
 CPAD/HP/PUCRS - Centro de Pesquisa em Alto Desempenho
 http://www.cpad.pucrs.br/          ozzy@xxxxxxxxxxxxx
 Porto Alegre, RS - Brazil
=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=




-----Mensagem original-----
De: xen-users-bounces@xxxxxxxxxxxxxxxxxxx
[mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx] Em nome de Ulrich Windl
Enviada em: segunda-feira, 27 de novembro de 2006 05:43
Para: xen-users@xxxxxxxxxxxxxxxxxxx
Assunto: Re: [Xen-users] Listing PCI Devices in a DomU

On 24 Nov 2006 at 22:30, Felipe Franciosi wrote:

> Hello there,
> 
> I've been using a monitor system which requires information on PCI devices
> (collected via /proc/bus/pci/). Apparently, Xen's DomU has an empty pci
> directory, therefore it's unable to fetch such information.

I can only conform this:
# cat /proc/bus/pci/devices
#

> 
> Is there a way to allow DomUs to "see" the PCI devices trough /proc/ ?
> 
> Thanks.
> 
> --
> =+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=
>  Felipe Franciosi                      +55-51-91230557
>  CPAD/HP/PUCRS - Centro de Pesquisa em Alto Desempenho
>  http://www.cpad.pucrs.br/          ozzy@xxxxxxxxxxxxx
>  Porto Alegre, RS - Brazil
> =+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=
> 
> 
> 
> _______________________________________________
> Xen-users mailing list
> Xen-users@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-users



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