From mboxrd@z Thu Jan  1 00:00:00 1970
From: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Subject: Re: IOMMU support in Xen
Date: Mon, 15 Mar 2010 22:05:35 -0400
Message-ID: <20100316020535.GD24571@phenom.dumpdata.com>
References: <7CBA20FA-AD19-4888-9EDE-58F7680D1F64@rice.edu>
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Return-path: <xen-devel-bounces@lists.xensource.com>
Content-Disposition: inline
In-Reply-To: <7CBA20FA-AD19-4888-9EDE-58F7680D1F64@rice.edu>
List-Unsubscribe: <http://lists.xensource.com/mailman/listinfo/xen-devel>,
	<mailto:xen-devel-request@lists.xensource.com?subject=unsubscribe>
List-Post: <mailto:xen-devel@lists.xensource.com>
List-Help: <mailto:xen-devel-request@lists.xensource.com?subject=help>
List-Subscribe: <http://lists.xensource.com/mailman/listinfo/xen-devel>,
	<mailto:xen-devel-request@lists.xensource.com?subject=subscribe>
Sender: xen-devel-bounces@lists.xensource.com
Errors-To: xen-devel-bounces@lists.xensource.com
To: Kaushik Kumar Ram <kaushik@rice.edu>
Cc: xen-devel@lists.xensource.com
List-Id: xen-devel@lists.xenproject.org

On Thu, Mar 11, 2010 at 01:49:16PM -0600, Kaushik Kumar Ram wrote:
> I am trying to find out what support exists today for hardware IOMMUs in Xen. 

AMD + Intel.
> In particular, I am interested in how the IOMMU support is used in guest and driver domains.   

Google for "Intel VT-D specification". Take a look at
http://download.intel.com/technology/computing/vptech/Intel(r)_VT_for_Direct_IO.pdf 

or  http://developer.amd.com/documentation/articles/pages/892006101.aspx

> 
> Any information (including pointers to the source code or documents) will be much appreciated. 

xen/xen/drivers/passthrough/* has lots of source code.
> 
> Thanks.
> -Kaushik
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@lists.xensource.com
> http://lists.xensource.com/xen-devel