Is there anything I can do to help with this feature. It is probably one of the most sort after requests. I have been toying with the Xen component and would love to see this in KVM -----Original Message----- From: kvm-owner@xxxxxxxxxxxxxxx [mailto:kvm-owner@xxxxxxxxxxxxxxx] On Behalf Of Han, Weidong Sent: Friday, 6 November 2009 11:37 AM To: 'Fede'; 'Asdo' Cc: 'kvm@xxxxxxxxxxxxxxx' Subject: RE: PCI Passthrough and graphic cards ... Fede wrote: > On Wed, Nov 4, 2009 at 11:00, Asdo <asdo@xxxxxxxxxxxxx> wrote: >> In case of a single video card in the system, it would be wonderful >> to be able to suddenly give the video card as passthrough to the >> guest removing it from the host. Since the video card internal state >> is unknown to the guest, the guest should then re-initialize it with >> some help of a guest driver. For example it could act like resuming >> the graphics from standby. >> Giving the video card back to the host would need some kind of a >> hotkey. While the video card is at the host, the guest graphics >> would be invisible (not windowed). Alternatively the guest could be >> frozen. >> >> Would that be anyhow feasible? >> >> That would be just great for the people who use Windows for >> videogames >> >> Thank you >> Asdo > > I'm currently working in this as a research project at university. > I'll have more information soon. But basically, the problem is that > graphic cards have BIOS. In order to make this work, graphic card must > be reseted, just like it happens whenever a computer is powered up. > Yes, need to reset the graphics card and re-execute video BIOS in guest. Regards, Weidong > I'm currently porting xen patch into kvm. > > If someone has more information, please, let me know. > > Thanks > Federico > >> >> Han, Weidong wrote: >>> >>> Passthrough graphic card to guest can satisfy your requirement. >>> Currently it's not supported in kvm, but we have a plan to support >>> it, but you still need wait for a while. >>> >>> I think sharing the host graphics power is not easy to implement. >>> >>> Regards, >>> Weidong >> >> -- >> To unsubscribe from this list: send the line "unsubscribe kvm" in >> the body of a message to majordomo@xxxxxxxxxxxxxxx >> More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
