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: Wed, 16 Jan 2008 13:05:14 +0100 Message-ID: <478DF2FA.3070406@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> <470E22F7.7000502@outpost24.com> <47152328.3070708@qumranet.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: dor.laor-atKUWr5tajBWk0Htik3J/w@public.gmane.org, kvm-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org Return-path: In-Reply-To: <47152328.3070708-atKUWr5tajBWk0Htik3J/w@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 I just read the ChangeLogs from kvm-47 to kvm-59 but I didn't notice anything that about PCI pass-through or any VGA work. I'm curious how things are going and what method was selected to accomplish this functionality? - Tony Dor Laor wrote: > It's still out-of -tree. > Not for long :) > > Anthony de Almeida Lopes wrote: >> 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/ >> _______________________________________________ >> kvm-devel mailing list >> kvm-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org >> https://lists.sourceforge.net/lists/listinfo/kvm-devel >> >> > > ------------------------------------------------------------------------- This SF.net email is sponsored by: Microsoft Defy all challenges. Microsoft(R) Visual Studio 2008. http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/