Dor Laor wrote: > Laurent Vivier wrote: >> >> Anthony de Almeida Lopes wrote: >> > I was curious if anyone thinks that it may be possible to get a >> > KVM-patched QEMU to use a real video card? For example, let's say I had >> > a second video card. Is QEMU/kvm a codebase which would support hacking >> > in the ability to utilize this second video card (one not utilized by >> > the host Linux)? And in the situation of a laptop, would it be possible >> > to boot the host Linux in a way that it would not utilize the video >> > card, but get a qemu guest to use it? >> > Theoretically, there's no reason this isn't possible, right? >> >> We need something like a "PCI proxy" allowing to route some I/O to >> virtual PCI >> devices and others to real PCI devices. Moreover we must be able to >> inform host >> kernel to not manage a given PCI card (or be able to hot unplug it >> from host >> kernel PCI structures) >> > 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 ? How do you say to host to not manage a PCI devices and let the guest managing it ? Laurent -- ---------------- [EMAIL PROTECTED] ----------------- "Given enough eyeballs, all bugs are shallow" E. S. Raymond
signature.asc
Description: OpenPGP digital signature
------------------------------------------------------------------------- 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@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/kvm-devel
