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Re: [Xen-API] PCI passthrough - XCP vs XenServer

Hi Phill

yes pci passthrough is possible in XCP and xenserver 6.2
Though you have to do this through the commandline:
xe vm-param-set other-config:pci=0/0000:06:00.0 uuid=[UUID]
Where "06:00.0" is the id of the passed through device (you can find a list lunning the "lspci" command to find the id's of your devices) and "[UUID]" is the uuid of the VM you want the device to be assigned to. (you can find this in the general tab of your vm in xencenter).

Bare in mind though that pci passthrough only works with IOMMU/Intel VT-d enabled motherbords/processors.
More info on VT-d and IOMMU found here

Kind regards,

> Date: Sun, 30 Jun 2013 17:40:05 +1000
> From: philledwards@xxxxxxxxx
> To: xen-api@xxxxxxxxxxxxx
> Subject: [Xen-API] PCI passthrough - XCP vs XenServer
> I've been running the free version of Citrix XenServer for a while and
> I now want to set up some PCI devices with PCI passthrough. I don't
> believe this is possible on Citrix XenServer other than for video
> cards which I'm not interested in (my PCI devices are DVB-T TV tuner
> cards).
> So I then started looking at XCP but I've found it difficult
> understanding whether this may be possible in XCP or not. My confusion
> is now further compounded by the fact that when you now go to download
> XCP from http://www.xenproject.org/downloads/xen-cloud-platform-archives.html
> it advises you to download the recently open sourced XenServer
> instead. That of course will get me nowhere if PCI passthrough isn't
> well supported on XenServer.
> So if I download and install XCP amd I likely to make make much
> progress on this or am I pushing stuff uphill?
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