From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ian Campbell Subject: Re: [PATCH v5 p2 17/19] libxl: Add support for Device Tree passthrough Date: Thu, 16 Apr 2015 16:19:14 +0100 Message-ID: <1429197554.25195.157.camel@citrix.com> References: <1428592185-18581-1-git-send-email-julien.grall@citrix.com> <1428592185-18581-18-git-send-email-julien.grall@citrix.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1YilaJ-0006F0-2d for xen-devel@lists.xenproject.org; Thu, 16 Apr 2015 15:20:07 +0000 In-Reply-To: <1428592185-18581-18-git-send-email-julien.grall@citrix.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: Julien Grall Cc: Wei Liu , Ian Jackson , Julien Grall , tim@xen.org, stefano.stabellini@citrix.com, xen-devel@lists.xenproject.org List-Id: xen-devel@lists.xenproject.org On Thu, 2015-04-09 at 16:09 +0100, Julien Grall wrote: > From: Julien Grall > > On ARM, every non-PCI device are described in the device tree. Each of > them can be found via a path. > > This patch introduces a very basic support, only the IOMMU will be set > up correctly. The user will have to: > - Describe the device in the partial device tree > - Map manually MMIO/IRQ > > This is a first approach, that will allow to have a basic Device Tree > passthrough support in Xen. This could be improved later. > > Furthermore add LIBXL_HAVE_DEVICETREE_PASSTHROUGH to indicate we > support Device Tree passthrough and partial device tree (introduced by a > previous patch). > > Signed-off-by: Julien Grall Acked-by: Ian Campbell