Re: [Xen-devel] [v4][PATCH 2/5] xen, gfx passthrough: create intel isa bridge

[Paolo Bonzini <pbonzini@xxxxxxxxxx>]

Il 03/06/2014 14:21, Sander Eikelenboom ha scritto:
> The last part should perhaps be fixed in the driver/firmware (for instance
> the assumption the device is always device 00:02.0, that's valid for real intel
> hardware, but not necessary for passthrough or emulation). A requirement for
> using the latest firmware/drivers for passthrough to work could be acceptable i
> guess ?
The problem is worse than that.  The assumptions are that the driver can 
make choices based on the device/vendor IDs of 00:1f.0, and that the 
driver can read/write to the config space of 00:00.0.
Paolo

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