465 static int scsiback_gnttab_data_map(struct vscsiif_request *ring_req,  in scsiback_gnttab_data_map()  argument
473 	unsigned int nr_segments = (unsigned int)ring_req->nr_segments;  in scsiback_gnttab_data_map()
488 			ring_req->nr_segments);  in scsiback_gnttab_data_map()
492 	if (ring_req->nr_segments & VSCSIIF_SG_GRANT) {  in scsiback_gnttab_data_map()
493 		err = scsiback_gnttab_data_map_list(pending_req, ring_req->seg,  in scsiback_gnttab_data_map()
501 			n_segs = ring_req->seg[i].length /  in scsiback_gnttab_data_map()
503 			if ((unsigned)ring_req->seg[i].offset +  in scsiback_gnttab_data_map()
504 			    (unsigned)ring_req->seg[i].length > PAGE_SIZE ||  in scsiback_gnttab_data_map()
506 			    ring_req->seg[i].length)  in scsiback_gnttab_data_map()
532 		seg = ring_req->seg;  in scsiback_gnttab_data_map()
540 			      vaddr(pending_req, i) + ring_req->seg[i].offset);  in scsiback_gnttab_data_map()
541 			n_segs = ring_req->seg[i].length /  in scsiback_gnttab_data_map()
550 		end_seg = vaddr(pending_req, 0) + ring_req->seg[0].offset;  in scsiback_gnttab_data_map()
552 		end_seg += ring_req->seg[0].length;  in scsiback_gnttab_data_map()
563 				  ring_req->seg[i_seg].offset;  in scsiback_gnttab_data_map()
565 			end_seg += ring_req->seg[i_seg].length;  in scsiback_gnttab_data_map()
657 				struct vscsiif_request *ring_req,  in prepare_pending_reqs()  argument
663 	pending_req->rqid       = ring_req->rqid;  in prepare_pending_reqs()
666 	vir.chn = ring_req->channel;  in prepare_pending_reqs()
667 	vir.tgt = ring_req->id;  in prepare_pending_reqs()
668 	vir.lun = ring_req->lun;  in prepare_pending_reqs()
680 	pending_req->sc_data_direction = ring_req->sc_data_direction;  in prepare_pending_reqs()
690 	pending_req->cmd_len = ring_req->cmd_len;  in prepare_pending_reqs()
696 	memcpy(pending_req->cmnd, ring_req->cmnd, pending_req->cmd_len);  in prepare_pending_reqs()
704 	struct vscsiif_request ring_req;  in scsiback_do_cmd_fn()  local
729 		RING_COPY_REQUEST(ring, rc, &ring_req);  in scsiback_do_cmd_fn()
732 		err = prepare_pending_reqs(info, &ring_req, pending_req);  in scsiback_do_cmd_fn()
748 		switch (ring_req.act) {  in scsiback_do_cmd_fn()
750 			if (scsiback_gnttab_data_map(&ring_req, pending_req)) {  in scsiback_do_cmd_fn()
761 				ring_req.ref_rqid);  in scsiback_do_cmd_fn()