Re: [Xen-devel] FLR Patch for Xen 4.0

[Pasi Kärkkäinen <pasik@xxxxxx>]

On Thu, May 13, 2010 at 10:37:14AM +0800, Han, Weidong wrote:
>    I didn't try it recently. I think it should still work.
> 

If someone does test it, I can add it to:
http://wiki.xensource.com/xenwiki/XenVGAPassthroughTestedAdapters

-- Pasi

> 
> 
>    Regards,
> 
>    Weidong
> 
> 
> 
>    From: Bei Guan [mailto:gbtju85@xxxxxxxxx]
>    Sent: Thursday, May 13, 2010 10:34 AM
>    To: Han, Weidong
>    Cc: Xen Devel
>    Subject: Re: [Xen-devel] FLR Patch for Xen 4.0
> 
> 
> 
>    Hi,
> 
> 
> 
>    Have you test the nVidia Geforce 8400 GS PCI Express x16 in xen4.0, which
>    Mr. Teo Enming have test in xen 3.5-unstable branch wich some patch.
> 
>    [1]http://lists.xensource.com/archives/html/xen-devel/2009-08/msg01013.html
> 
>    Thanks a lot!
> 
> 
> 
> 
> 
> 
> 
> 
> 
>    2010/5/10 Han, Weidong <[2]weidong.han@xxxxxxxxx>
> 
>    If the device doesn't support FLR capability, there will be a default
>    reset for it, e.g. Dstate transition. But it doesn't guarantee to work.
>    For your ATI card, we didn't try with it. Likely it cannot work. nVidia
>    Quadro FX 3800 and IGD on Intel platforms (e.g. Q35 and Q45) were tested
>    and works on current Xen upstream. Some other gfx cards  may work with
>    extra patches (e.g. 1:1 map vBAR and pBAR). There were many emails to
>    discuss it in xen-devel mailing list, you'd better to find and read those
>    emails.
> 
> 
> 
>    Regards,
> 
>    Weidong
> 
> 
> 
>    From: Bei Guan [mailto:[3]gbtju85@xxxxxxxxx]
>    Sent: Monday, May 10, 2010 4:53 PM
>    To: Han, Weidong
>    Cc: Xen Devel
>    Subject: Re: [Xen-devel] FLR Patch for Xen 4.0
> 
> 
> 
>    My VGA hardware is as following. Can I find a patch to make it support pci
>    passthrough?
> 
>    #lspci
>    ......
>    01:00.0 VGA compatible controller: ATI Technologies Inc Mobility Radeon HD
>    3450
> 
>    Xen4.0 can not support the ATI adapters defaultly, is it? Because my VGA
>    passthrough can not work correctly.
> 
>    2010/5/10 Han, Weidong <[4]weidong.han@xxxxxxxxx>
> 
>    There were several patches checked into xen for pci passthru, you can find
>    relevant code in tools/python/xen/xend/server/pciif.py.
> 
> 
> 
>    Regards,
> 
>    Weidong
> 
> 
> 
>    From: [5]xen-devel-bounces@xxxxxxxxxxxxxxxxxxx
>    [mailto:[6]xen-devel-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Bei Guan
>    Sent: Monday, May 10, 2010 3:44 PM
>    To: Xen Devel
>    Subject: [Xen-devel] FLR Patch for Xen 4.0
> 
> 
> 
>    Hi,
> 
>    Is there a FLR patch for xen 4.0 PCI Passthrought ?
>    Thanks.
> 
>    gavin
> 
> 
> 
> 
> 
> References
> 
>    Visible links
>    1. http://lists.xensource.com/archives/html/xen-devel/2009-08/msg01013.html
>    2. mailto:weidong.han@xxxxxxxxx
>    3. mailto:gbtju85@xxxxxxxxx
>    4. mailto:weidong.han@xxxxxxxxx
>    5. mailto:xen-devel-bounces@xxxxxxxxxxxxxxxxxxx
>    6. mailto:xen-devel-bounces@xxxxxxxxxxxxxxxxxxx

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