[vfio-users] Is windows 10 supported using intel IGD passthrough

[Alex Williamson]

On Wed, Mar 1, 2017 at 2:21 PM, Andrew A. <andj2223 at gmail.com> wrote:

> 01.02.2017, 16:40, "Alex Williamson" <alex l williamson gmail com>:
> > Once again, legacy mode IGD assignment is not supported on OVMF, you
> need a SeaBIOS guest.
>
> I have additional question about IGD passthrough to a windows guest,
> so I'll just piggy-back here:
>
> If I recall correctly, legacy mode IGD passthrough at one time did not
> work on Q35 guest machine types. Is that still true today?
>

Yes


> If Q35 does work now, are there any special things I need to do to get
> it working (e.g. "-M q35,igd-passthru=on" or something like that)?
>

No, it doesn't work.  The lpc bridge is an implicit device in a q35 config
and conflicts with placing a fake one to make IGD happy.  Note that UPT
mode IGD assignment should work with q35 if you have broadwell or newer.
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