tree cfa7d27b7a59ff6ffe666374a19e08b2e5f1ee64
parent aa429318279b90192f35a97e9ccdc1e83b3a9624
author Alex Williamson <alex.williamson@redhat.com> 1393439919 -0700
committer Alex Williamson <alex.williamson@redhat.com> 1393439919 -0700

vfio: Add external user check extension interface

This lets us check extensions, particularly VFIO_DMA_CC_IOMMU using
the external user interface, allowing KVM to probe IOMMU coherency.

Signed-off-by: Alex Williamson <alex.williamson@redhat.com>