[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [Xen-devel] [v5][PATCH 0/5] xen: add Intel IGD passthrough support

On 2014/6/25 17:59, Paolo Bonzini wrote:
Il 25/06/2014 11:55, Michael S. Tsirkin ha scritto:
> You're saying we will reserve a free BAR to address those
information to
> expose to guest, but which device does this free BAR belong to? The
> device? Or PCH/MCH?

If you just want to pass a couple of IDs, then don't, it's a waste.
But I still don't know what problem you are trying to solve,
looking at guest driver did not help.

It's not just a couple of IDs, it's also random fields of the MCH
configuration space.  Grep drivers/gpu/drm/i915 for bridge_dev.


No, we're not pointing the bridge_dev here, which is a host bridge at 00:00.0.

Here it should be a ISA bridge at 00:1f.0. Please see intel_detect_pch() to know why we need this.


Xen-devel mailing list



Lists.xenproject.org is hosted with RackSpace, monitoring our
servers 24x7x365 and backed by RackSpace's Fanatical Support®.