From mboxrd@z Thu Jan 1 00:00:00 1970 From: Konrad Rzeszutek Wilk Subject: Re: Xen regressions for ARM SMMU (non pci-passthrough) Date: Tue, 28 Oct 2014 10:38:44 -0400 Message-ID: <20141028143844.GA22976@laptop.dumpdata.com> References: <1414402055.15687.65.camel@citrix.com> <544E4815.8080806@linaro.org> <20141028135704.GB21290@laptop.dumpdata.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline In-Reply-To: List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: manish jaggi Cc: Ian Campbell , Stefano Stabellini , manish.jaggi@caviumnetworks.com, Julien Grall , xen-devel , Vijaya.Kumar@caviumnetworks.com List-Id: xen-devel@lists.xenproject.org On Tue, Oct 28, 2014 at 07:53:07PM +0530, manish jaggi wrote: > On 28 October 2014 19:27, Konrad Rzeszutek Wilk wrote: > > On Tue, Oct 28, 2014 at 02:49:16PM +0530, manish jaggi wrote: > >> On 27 October 2014 18:56, Julien Grall wrote: > >> > Hello Manish, > >> > > >> > On 10/27/2014 09:54 AM, manish jaggi wrote: > >> >> On 27 October 2014 14:57, Ian Campbell wrote: > >> >>> On Mon, 2014-10-27 at 13:56 +0530, manish jaggi wrote: > >> >>>> I am trying to find out about the tests which are part of the Xen > >> >>>> regression suite for Arm which tests the SMMU and non pic-passthrough > >> >>>> feature. > >> >>> > >> >>> There are currently no such tests in the osstest suite. > >> > > >> > Device passthrough is not supported in Xen upstream. So adding test for > >> > it is not yet relevant. > >> > > >> Is it not targeted for Xen 4.5 ? I believed it was part of 4.5 release > > > > MMIO has been added in Xen 4.5. PCI passthrough = no. > In my mail I refer to non-pci device passthrough and not pci > passthrough. PCI passthrough is targeted in 4.6. > As per the Xen 4.5 development update mail IMHO non-pci passthrough > (dt node passthrough) is going in 4.5 > > * Linux ARM - Device assigment (fair) Well, that is the Linux side, not the Xen side. > - Julien Grall > > My PCI passthrough work is based on juliens non-pci passthrough xen > unstable tree, which I assume to be merged in 4.5 and I would rebase Which tree is that? > on the 4.5 release. We are in Xen 4.5 RC1 so the bar for new features is high. > > > >> > >> > For SMMU, there is no need to have specific test. Any platform with SMMU > >> > describe in the device tree will use the SMMU drivers in Xen. > >> > > >> > We have only one platform with SMMU platform in OSS-test which is > >> > midway. But the device tree provided upstream doesn't have the SMMU nodes. > >> > > >> >>> > >> >> Is Julien Planning to add the tests ? > >> > > >> > I don't plan to add any test or make midway uses SMMU for testing. You > >> > are welcome to send a patch for it. > >> Is it not tested on Foundation Model ? > > > > I am confused. Do you have an foundation model? Are you seeing issues > > with it? Did you report the bug to xen-devel? > > > > Or are you merely asking whether said hardware has been tested? > > Do you have that hardware? > I was enquiring that is there any other platform the Xen 4.5 non > pci-device passthrough works other than midway. > >> > > >> > Regards, > >> > > >> > -- > >> > Julien Grall > >> > >> _______________________________________________ > >> Xen-devel mailing list > >> Xen-devel@lists.xen.org > >> http://lists.xen.org/xen-devel