From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ian Campbell Subject: Re: PCI Pass-through in Xen ARM: Draft 4 Date: Wed, 2 Sep 2015 16:19:23 +0100 Message-ID: <1441207163.26292.248.camel@citrix.com> References: <55CC668F.80104@caviumnetworks.com> <55CC7367.5010604@citrix.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <55CC7367.5010604@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 , Manish Jaggi , Xen Devel , Konrad Rzeszutek Wilk , =?UTF-8?Q?=E2=98=85?= Stefano Stabellini , "\"Manish =?UTF-8?Q?Jaggi=2C=E2=98=85?= Kumar, Vijaya\"" , Julien Grall Cc: "Prasun.kapoor@cavium.com" List-Id: xen-devel@lists.xenproject.org On Thu, 2015-08-13 at 11:37 +0100, Julien Grall wrote: > > 4.2.2 Xenstore Update: For each PCI-EP BAR (IPA-PA mapping info). > > ---------------------------------------------------------------------- > > ------ > > > > Toolstack also updates the xenstore information for the device > > (virtualbar:physical bar).This information is read by xen-pciback and > > returned to the domU-pcifront driver configuration space reads for > > BAR. > > > > Entries created are as follows: > > /local/domain/0/backend/pci/1/0 > > vdev-N > > BDF = "" > > BAR-0-IPA = "" > > BAR-0-PA = "" > > BAR-0-SIZE = "" > > ... > > BAR-M-IPA = "" > > BAR-M-PA = "" > > BAR-M-SIZE = "" > > > > Note: If BAR M SIZE is 0, it is not a valid entry. > > How would you describe the ROM in xenstore? You mean the ROM BAR? BAR-ROM-* perhaps? > > > regards, >