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.
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