WARNING - OLD ARCHIVES

This is an archived copy of the Xen.org mailing list, which we have preserved to ensure that existing links to archives are not broken. The live archive, which contains the latest emails, can be found at http://lists.xen.org/
   
 
 
Xen 
 
Home Products Support Community News
 
   
 

xen-devel

Re: [Xen-devel] Auto translated physmap feature

To: "Puthiyaparambil, Aravindh" <aravindh.puthiyaparambil@xxxxxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxx>
Subject: Re: [Xen-devel] Auto translated physmap feature
From: Keir Fraser <keir@xxxxxxxxxxxxx>
Date: Fri, 15 Dec 2006 21:49:35 +0000
Cc: "Grubb, J Alan" <Alan.Grubb@xxxxxxxxxx>
Delivery-date: Fri, 15 Dec 2006 13:49:36 -0800
Envelope-to: www-data@xxxxxxxxxxxxxxxxxx
In-reply-to: <EF8D308BE33AF54D8934DF26520252D305D18556@xxxxxxxxxxxxxxxxxxxxxxxxxxxx>
List-help: <mailto:xen-devel-request@lists.xensource.com?subject=help>
List-id: Xen developer discussion <xen-devel.lists.xensource.com>
List-post: <mailto:xen-devel@lists.xensource.com>
List-subscribe: <http://lists.xensource.com/cgi-bin/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=subscribe>
List-unsubscribe: <http://lists.xensource.com/cgi-bin/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=unsubscribe>
Sender: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx
Thread-index: AccgkiELaBcXuiDfQNiU1mFPhz+XKwAAMf6P
Thread-topic: [Xen-devel] Auto translated physmap feature
User-agent: Microsoft-Entourage/11.2.5.060620
On 15/12/06 21:43, "Puthiyaparambil, Aravindh"
<aravindh.puthiyaparambil@xxxxxxxxxx> wrote:

> If you use the auto translated physmap feature for a DomU, I understand
> that the p2m conversion is done by Xen and not by referencing the p2m
> table that is passed by the domain builder to the DomU. So with auto
> translated physmap, the p2m table for the DomU lives in the Xen space
> and not in the DomU space? Is it possible to use this feature in driver
> domains?

There's no support right now for hooking mmio memory ranges into the domU's
pseudophysical address space, so a driver domain would not be able to access
mmio device resources.

 -- Keir


_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel

<Prev in Thread] Current Thread [Next in Thread>