Re: [Xen-devel] possible to give/switch direct graphics hw access to doms?

[Muli Ben-Yehuda <muli@xxxxxxxxxx>]

On Thu, May 04, 2006 at 01:26:21PM +0200, Petersson, Mats wrote:

> The solution is an IOMMU device, which is basicly a translation system
> to translate a "fake physical" to "actual physical" address. There is a
> GART in the AMD x86-64 processors that COULD be used for this purpose,
> but currently there's no code to support this [although I believe it's
> being worked on]. 

Does gart provide a 0-based IO space? I don't recall that it does. Or
do you have in mind a scheme where a 0-based IO address isn't
necessary?

Cheers,
Muli

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