On 07/11/2010 09:09 PM, Alex Williamson wrote:
The following series implements QEMU device assignment using the proposed VFIO/UIOMMU kernel interfaces. See the last patch for further vfio description. I've tested this on the v2 VFIO patch, with a number of fixes hacked in along the way. I'll update when Tom releases a new version of VFIO. Hopefully this will provide some support for the usefulness of such an interfaces. Thanks,
What's the plan for supporting this alongside the existing kvm device assignment code?
vfio will only exist in very new kernels, so we have to support the old code for a while to give people chance to adjust (say 12-18 months). Ideally we'd have compatible command line syntax with qemu choosing vfio if available and falling back to kvm device assignment if not.
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