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From: Pasi =?iso-8859-1?Q?K=E4rkk=E4inen?= <pasik@iki.fi>
Subject: Re: IOMMU and AMD 890fx
Date: Mon, 10 May 2010 09:16:50 +0300
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To: "Huang2, Wei" <Wei.Huang2@amd.com>
Cc: Leonardo Prosperi <leo.prosperi@gmail.com>, "xen-devel@lists.xensource.com" <xen-devel@lists.xensource.com>
List-Id: xen-devel@lists.xenproject.org

On Sun, May 09, 2010 at 11:43:04PM -0500, Huang2, Wei wrote:
>    Leonardo,
> 
> 
> 
>    I can confirm that AMD 890FX supports IOMMU v1.22. It was briefly
>    mentioned by external sites, such as
>    [1]http://techreport.com/articles.x/18825. It looks like Asus, Gigabyte
>    and MSI will ship motherboards with 890FX chipset. Xen 4.0 fully supports
>    AMD IOMMU v1.2. Note that IOMMU needs support from BIOS (ACPI IVRS table).
>    Please pay a bit attention to this area.
> 

Thanks, I'll add this info to the wiki later today.

-- Pasi

> 
> 
>    -Wei
> 
> 
> 
>    From: xen-devel-bounces@lists.xensource.com
>    [mailto:xen-devel-bounces@lists.xensource.com] On Behalf Of Leonardo
>    Prosperi
>    Sent: Sunday, May 09, 2010 1:02 PM
>    To: xen-devel@lists.xensource.com
>    Subject: [Xen-devel] IOMMU and AMD 890fx
> 
> 
> 
> 
> 
>    Hi,
>    All the reviews for the AMD 890fx chipset reported that it supports IOMMU
>    v1.2.
>    But I cannot find any mention of that on AMD site.
> 
>    Does 890fx support IOMMU?
>    Do 890fx motherboards with IOMMU exist?
>    Does Xen support 890fx?
> 
>    Regards,
>    Leonardo
> 
> 
> 
> References
> 
>    Visible links
>    1. http://techreport.com/articles.x/18825

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