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RE: [Xen-users] Re: PCI Passthrough to Windows DomU


  • To: "Christian Tramnitz" <chris.ace@xxxxxxx>
  • From: "Robert Dunkley" <Robert@xxxxxxxxx>
  • Date: Mon, 2 Nov 2009 08:57:00 -0000
  • Cc: Xen users mailing list <xen-users@xxxxxxxxxxxxxxxxxxx>
  • Delivery-date: Mon, 02 Nov 2009 01:00:24 -0800
  • List-id: Xen user discussion <xen-users.lists.xensource.com>
  • Thread-index: AcpaMzAeKU7DeK4EQASEewNOEMhHagBZh33A
  • Thread-topic: [Xen-users] Re: PCI Passthrough to Windows DomU

Hi,

Only the very latest AMD boards using the AMD SR56X0 chipsets (Or to be more 
specific the SP5100 southbridge that goes with them) support PCI Passthrough. 
Here are a couple of examples:
http://www.tyan.com/product_SKU_spec.aspx?ProductType=MB&pid=647&SKU=600000127
http://www.supermicro.com/Aplus/motherboard/Opteron2000/SR56x0/H8DA6+.cfm
http://www.supermicro.com/Aplus/motherboard/Opteron8000/SR56x0/H8QI6-F.cfm
http://www.tyan.com/product_board_detail.aspx?pid=651

I suspect you need a fairly recent kernel and Xen version for these boards to 
work but maybe someone on the list knows the specifics.


Rob

-----Original Message-----
From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx 
[mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Christian Tramnitz
Sent: 31 October 2009 14:03
To: xen-users@xxxxxxxxxxxxxxxxxxx
Subject: [Xen-users] Re: PCI Passthrough to Windows DomU

Velten Spägele wrote:
> Hi,
> 
> i want to use an old AVM ISDN PCI Card in a Windows DomU, is this 
> possible with vt-d and iommu ? What would be the better choise, Intel or 
> AMD ?

Afaik there are no AMD boards with an IOMMU capable of passing through 
devices to an HVM guest, so Vt-d (which is an Intel-term) is your only 
choice for now.
Supported (or better "working", since almost no vendor gives official 
VT-d support with Xen) boards can be found here:
http://wiki.xensource.com/xenwiki/VTdHowTo

Best regards,
    Christian


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