Re: [Xen-devel] [PATCH 1/2] graphics passthrough with VT-d

[Keir Fraser <keir.fraser@xxxxxxxxxxxxx>]

On 28/08/2009 08:54, "Han, Weidong" <weidong.han@xxxxxxxxx> wrote:

> This patch supports basic gfx passthrough on xen side:
>   - retrieves VGA bios from host VGA BIOS address (0xC0000), then load it to
> guest VGA BIOS address (This is the same with XCI).
>   - Enlarge guest MMIO range to contain gfx card's large memory

Hvmloader will auto-size the MMIO hole. You shouldn't need to change the
default initial size of the hole.

 -- Keir

>   - add a config option 'gfx_passthru' for gfx passthrough



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