> Date: Sun, 30 Jun 2013 11:28:03 -0400
> Subject: Re: [Xen-API] PCI passthrough - XCP vs XenServer
> From: gizmochicken@xxxxxxxxx
> To: spekkie_island@xxxxxxxxxxx
> CC: philledwards@xxxxxxxxx; xen-api@xxxxxxxxxxxxx
>
> I'll just add that, depending on your hardware, you may have better
> luck with PCI passthrough using XCP 1.6 rather than XenServer 6.2.
> The reason for this is that XCP 1.6 relies on Xen 4.1, which, compared
> to the Xen 4.2 used by XenServer 6.2, is more forgiving of errors
> found in the IVRS tables of some motherboards, such as my Asus M5A99FX
> Pro 2.0.
>
That is not entirely true, since xenserver 6.2
still uses Xen 4.1 but is updated to 4.1.5, which indeed is more restrictive/bug free when it comes to pci passthrough.
>
> On Sun, Jun 30, 2013 at 6:54 AM, Marien Spek <spekkie_island@xxxxxxxxxxx> wrote:
> > 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,
> > Marien
> >
> >> 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?
> >>
> >> _______________________________________________
> >> Xen-api mailing list
> >> Xen-api@xxxxxxxxxxxxx
> >> http://lists.xen.org/cgi-bin/mailman/listinfo/xen-api
> >
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> >
