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] xen_create_contiguous_region - Regarding

To: Jambunathan K <jambunathan@xxxxxxxxxx>
Subject: Re: [Xen-devel] xen_create_contiguous_region - Regarding
From: Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>
Date: Mon, 09 Apr 2007 14:24:13 +0100
Cc: xen-devel@xxxxxxxxxxxxxxxxxxx, sanjeev@xxxxxxxxxx
Delivery-date: Mon, 09 Apr 2007 06:21:42 -0700
Envelope-to: www-data@xxxxxxxxxxxxxxxxxx
In-reply-to: <461A3CF0.7020406@xxxxxxxxxx>
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: Acd6ql0ym3YIBOadEduAzwAWy6hiGQ==
Thread-topic: [Xen-devel] xen_create_contiguous_region - Regarding
User-agent: Microsoft-Entourage/11.3.3.061214


On 9/4/07 14:17, "Jambunathan K" <jambunathan@xxxxxxxxxx> wrote:

> Given that our driver supports 35-bit mask, the fact that
> xen_create_contiguous_region constrains "machine contiguous" allocations
> to less than dma_bits seems very limiting.
> 
> What would be the recommended way to get machine contiguous pages within
>  say (1<<35)?

The address width is a parameter to xen_create_contiguous_region().

 -- Keir



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