This patchs adds the skeleton for the virtio-iommu device.
Signed-off-by: NEric Auger <eric.auger@redhat.com>
Reviewed-by: NPeter Xu <peterx@redhat.com>
Reviewed-by: NMichael S. Tsirkin <mst@redhat.com>

Message-Id: <20200214132745.23392-2-eric.auger@redhat.com>
Reviewed-by: NMichael S. Tsirkin <mst@redhat.com>
Signed-off-by: NMichael S. Tsirkin <mst@redhat.com>