iotlb_flush
iotlb_flush(immu, did, dvma, am, hint, IOTLB_PSI);
iotlb_flush(immu, did, 0, 0, 0, IOTLB_DSI);
iotlb_flush(immu, domain_id, 0, 0, 0, IOTLB_DSI);
iotlb_flush(immu, 0, 0, 0, 0, IOTLB_GLOBAL);