From mboxrd@z Thu Jan 1 00:00:00 1970 From: Anthony de Almeida Lopes Subject: Re: Hacking QEMU/KVM to use unused graphics adapters Date: Thu, 11 Oct 2007 15:19:51 +0200 Message-ID: <470E22F7.7000502@outpost24.com> References: <470DC5F4.80807@outpost24.com> <470DDBC5.90401@bull.net> <470DDF9F.6040509@qumranet.com> <470DE18F.1080901@bull.net> <20071011103648.GP4335@rhun.haifa.ibm.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: kvm-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org Return-path: In-Reply-To: <20071011103648.GP4335-WD1JZD8MxeCTrf4lBMg6DdBPR1lH4CV8@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: kvm-devel-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org Errors-To: kvm-devel-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Id: kvm.vger.kernel.org Muli Ben-Yehuda wrote: > On Thu, Oct 11, 2007 at 10:40:47AM +0200, Laurent Vivier wrote: > > >>> There is work in progress for pci pass through capability. Besides >>> PCI it also required to have pv dma or 1-1 mapping between the >>> guest and the host. Both will be released in the following >>> month. NIC pass through works but I'm not sure about the features >>> required from VGA pass through. Dor. >>> >> Perhaps if we use host IOMMU we don't need pv DMA ? >> > > Indeed, an IOMMU can provide the 1-1 mapping Dor mentioned above (or > you can have both PV DMA and an IOMMU). > > >> How do you say to host to not manage a PCI devices and let the guest >> managing it ? >> > > If the host driver is modular, it might be enough to just not load (or > unload) it. > > Cheers, > Muli > Thank you for your responses. I was curious, Dor, where could I take a look at this code? I checked both sets of recent git logs and nothing popped out at me as being related. Is it still out-of-tree? Thanks again, - Tony ------------------------------------------------------------------------- This SF.net email is sponsored by: Splunk Inc. Still grepping through log files to find problems? Stop. Now Search log events and configuration files using AJAX and a browser. Download your FREE copy of Splunk now >> http://get.splunk.com/