Alex Williamson 88d7ab8949 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>
2014-02-26 11:38:39 -07:00
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