As preparation of enabling migration of vhost-scsi device,
define it’s VMState. Note, we keep the convention of
verifying in the pre_save() method that the vhost backend
must be stopped before attempting to save the device
state. Similar to how it is done for vhost-vsock.
Reviewed-by: Bijan Mottahedeh <bijan.mottahedeh@oracle.com>
Reviewed-by: Liran Alon <liran.alon@oracle.com>
Signed-off-by: Nir Weiner <nir.weiner@oracle.com>
Message-Id: <20190416125912.44001-3-liran.alon@oracle.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>