471 static int scsiback_gnttab_data_map(struct vscsiif_request *ring_req,  in scsiback_gnttab_data_map()  argument
479 	unsigned int nr_segments = (unsigned int)ring_req->nr_segments;  in scsiback_gnttab_data_map()
494 			ring_req->nr_segments);  in scsiback_gnttab_data_map()
498 	if (ring_req->nr_segments & VSCSIIF_SG_GRANT) {  in scsiback_gnttab_data_map()
499 		err = scsiback_gnttab_data_map_list(pending_req, ring_req->seg,  in scsiback_gnttab_data_map()
507 			n_segs = ring_req->seg[i].length /  in scsiback_gnttab_data_map()
509 			if ((unsigned)ring_req->seg[i].offset +  in scsiback_gnttab_data_map()
510 			    (unsigned)ring_req->seg[i].length > PAGE_SIZE ||  in scsiback_gnttab_data_map()
512 			    ring_req->seg[i].length)  in scsiback_gnttab_data_map()
538 		seg = ring_req->seg;  in scsiback_gnttab_data_map()
546 			      vaddr(pending_req, i) + ring_req->seg[i].offset);  in scsiback_gnttab_data_map()
547 			n_segs = ring_req->seg[i].length /  in scsiback_gnttab_data_map()
556 		end_seg = vaddr(pending_req, 0) + ring_req->seg[0].offset;  in scsiback_gnttab_data_map()
558 		end_seg += ring_req->seg[0].length;  in scsiback_gnttab_data_map()
569 				  ring_req->seg[i_seg].offset;  in scsiback_gnttab_data_map()
571 			end_seg += ring_req->seg[i_seg].length;  in scsiback_gnttab_data_map()
663 				struct vscsiif_request *ring_req,  in prepare_pending_reqs()  argument
669 	pending_req->rqid       = ring_req->rqid;  in prepare_pending_reqs()
672 	vir.chn = ring_req->channel;  in prepare_pending_reqs()
673 	vir.tgt = ring_req->id;  in prepare_pending_reqs()
674 	vir.lun = ring_req->lun;  in prepare_pending_reqs()
686 	pending_req->sc_data_direction = ring_req->sc_data_direction;  in prepare_pending_reqs()
696 	pending_req->cmd_len = ring_req->cmd_len;  in prepare_pending_reqs()
702 	memcpy(pending_req->cmnd, ring_req->cmnd, pending_req->cmd_len);  in prepare_pending_reqs()
710 	struct vscsiif_request ring_req;  in scsiback_do_cmd_fn()  local
735 		ring_req = *RING_GET_REQUEST(ring, rc);  in scsiback_do_cmd_fn()
738 		err = prepare_pending_reqs(info, &ring_req, pending_req);  in scsiback_do_cmd_fn()
754 		switch (ring_req.act) {  in scsiback_do_cmd_fn()
756 			if (scsiback_gnttab_data_map(&ring_req, pending_req)) {  in scsiback_do_cmd_fn()
767 				ring_req.ref_rqid);  in scsiback_do_cmd_fn()