Following patches introduce VDPA network driver for Mellanox Connectx6
devices. This patch provides functionality that will be used by those
patches.
Reviewed-by: NParav Pandit <parav@mellanox.com>
Signed-off-by: NEli Cohen <eli@mellanox.com>
Link: https://lore.kernel.org/r/20200804162048.22587-11-eli@mellanox.comSigned-off-by: NMichael S. Tsirkin <mst@redhat.com>