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xen-devel
RE: [Xen-devel] [PATCH 1/2] graphics passthrough with VT-d
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To: |
'Keir Fraser' <keir.fraser@xxxxxxxxxxxxx>, "'xen-devel@xxxxxxxxxxxxxxxxxxx'" <xen-devel@xxxxxxxxxxxxxxxxxxx> |
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Subject: |
RE: [Xen-devel] [PATCH 1/2] graphics passthrough with VT-d |
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From: |
"Han, Weidong" <weidong.han@xxxxxxxxx> |
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Date: |
Fri, 28 Aug 2009 16:46:49 +0800 |
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"Lin, Ben Y" <ben.y.lin@xxxxxxxxx>, "Kay, Allen M" <allen.m.kay@xxxxxxxxx>, 'Jean Guyader' <Jean.Guyader@xxxxxxxxxx>, "'bengheng@xxxxxxxxxxxxxx'" <bengheng@xxxxxxxxxxxxxx> |
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Fri, 28 Aug 2009 01:47:38 -0700 |
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Thread-topic: |
[Xen-devel] [PATCH 1/2] graphics passthrough with VT-d |
Keir Fraser wrote:
> 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.
Ok. I will remove the change. Thanks.
Regards,
Weidong
>
> -- Keir
>
>> - add a config option 'gfx_passthru' for gfx passthrough
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