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] [rfc 00/18] ioemu: use devfn instead of slots as the uni

To: Yuji Shimada <shimada-yxb@xxxxxxxxxxxxxxx>, Simon Horman <horms@xxxxxxxxxxxx>
Subject: Re: [Xen-devel] [rfc 00/18] ioemu: use devfn instead of slots as the unit for passthrough
From: Keir Fraser <keir.fraser@xxxxxxxxxxxxx>
Date: Fri, 06 Mar 2009 08:15:40 +0000
Cc: "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>, Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>
Delivery-date: Fri, 06 Mar 2009 00:16:09 -0800
Envelope-to: www-data@xxxxxxxxxxxxxxxxxxx
In-reply-to: <20090306102651.6E16.27C06F64@xxxxxxxxxxxxxxx>
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/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=subscribe>
List-unsubscribe: <http://lists.xensource.com/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=unsubscribe>
Sender: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx
Thread-index: Acmd+xRC16IYFOp+SKSW386OHPkWEAAOKhBk
Thread-topic: [Xen-devel] [rfc 00/18] ioemu: use devfn instead of slots as the unit for passthrough
User-agent: Microsoft-Entourage/12.15.0.081119
On 06/03/2009 01:29, "Yuji Shimada" <shimada-yxb@xxxxxxxxxxxxxxx> wrote:

> 
> Current hypervisor assumes only one pass-throughed device is connected
> to a guest gsi.
> 
> It is possible to enhance to connect more than one pass-throughed
> device to a guest gsi, I think. If expanding guest GSI to 143 is not
> acceptable, sharing guest GSI between pass-throughed devices is one
> approach.

I think we should support sharing. How hard is that? Linked lists in place
of singleton values and a few while loops. Conceptually speaking. :-)

 -- Keir



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

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