tree 3b9e0c67b9982f5b374e819a55cd510c14d481b8
parent 84cffe499b9418d6c3b4de2ad9599cc2ec50c607
author Alex Williamson <alex.williamson@redhat.com> 1383152537 -0600
committer Paolo Bonzini <pbonzini@redhat.com> 1383156123 +0100

kvm: Add VFIO device

So far we've succeeded at making KVM and VFIO mostly unaware of each
other, but areas are cropping up where a connection beyond eventfds
and irqfds needs to be made.  This patch introduces a KVM-VFIO device
that is meant to be a gateway for such interaction.  The user creates
the device and can add and remove VFIO groups to it via file
descriptors.  When a group is added, KVM verifies the group is valid
and gets a reference to it via the VFIO external user interface.

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