Re: [Xen-users] pci passthrough and Xenserver

[Ritu kaur <ritu.kaur.us@xxxxxxxxx>]

Hi, 

I had additional questions(I re-read the Assign_hardware...), and I don't quite follow it completely. The config given is for dom0, it doesn't have any information as to what domU will get access to this pci device? Do I need to change config in domU as well, document doesn't say anything about it. Furthermore, in the document I see references to "xm pci-list-assignable-devices" cli's, however, XCP comes with xe tool-stack, does it come with similar pci commands? I am yet to install XCP, but wanted to check.

Thanks

On Tue, Mar 9, 2010 at 5:07 PM, Ritu kaur <ritu.kaur.us@gmail.com> wrote:

Hi,

I did go through  vmops.ml and I really didn't get much information on what config file it is reading or what changes are needed. I looked at http://wiki.xensource.com/xenwiki/Assign_hardware_to_DomU_with_PCIBack_as_module from the link given by Dullor, not sure whether those changes suffice XCP for pci passthrough hence thought of checking. Any inputs?

Thanks

On Mon, Mar 8, 2010 at 2:37 PM, James Troup <james@xxxxxxxxxxxxxxxxx> wrote:

No PCI passthrough for XenServer AFAIK.
You need XCP for that and then it is still very experimental with NO documentation except what is in the code.
Line 483+ http://xenbits.xen.org/xapi/xen-api.hg?file/a8decf9d3bee/ocaml/xapi/vmops.ml

----- Original Message -----
From: "Ritu kaur" <ritu.kaur.us@gmail.com>
To: xen-devel@xxxxxxxxxxxxxxxxxxx, xen-users@xxxxxxxxxxxxxxxxxxx
Sent: Tuesday, 9 March, 2010 6:29:49 AM
Subject: [Xen-users] pci passthrough and Xenserver

Hi,

We are running Citrix Xenserver 5.5(dom0) and PV guests(domU). Since VT-d support is not required for PV guests has anyone tried pci passthrough with Citrix Xenserver? If yes what config file changes are required in domU and dom0? I looked at Citrix forums and xen.org/xen-users archives, not getting useful information from it. Inputs much appreciated.

Thanks

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