1176 static void srp_unmap_data(struct scsi_cmnd *scmnd,  in srp_unmap_data()  argument
1185 	if (!scsi_sglist(scmnd) ||  in srp_unmap_data()
1186 	    (scmnd->sc_data_direction != DMA_TO_DEVICE &&  in srp_unmap_data()
1187 	     scmnd->sc_data_direction != DMA_FROM_DEVICE))  in srp_unmap_data()
1208 	ib_dma_unmap_sg(ibdev, scsi_sglist(scmnd), scsi_sg_count(scmnd),  in srp_unmap_data()
1209 			scmnd->sc_data_direction);  in srp_unmap_data()
1226 				       struct scsi_cmnd *scmnd)  in srp_claim_req()  argument
1231 	if (req->scmnd &&  in srp_claim_req()
1232 	    (!sdev || req->scmnd->device == sdev) &&  in srp_claim_req()
1233 	    (!scmnd || req->scmnd == scmnd)) {  in srp_claim_req()
1234 		scmnd = req->scmnd;  in srp_claim_req()
1235 		req->scmnd = NULL;  in srp_claim_req()
1237 		scmnd = NULL;  in srp_claim_req()
1241 	return scmnd;  in srp_claim_req()
1252 			 struct scsi_cmnd *scmnd, s32 req_lim_delta)  in srp_free_req()  argument
1256 	srp_unmap_data(scmnd, ch, req);  in srp_free_req()
1266 	struct scsi_cmnd *scmnd = srp_claim_req(ch, req, sdev, NULL);  in srp_finish_req()  local
1268 	if (scmnd) {  in srp_finish_req()
1269 		srp_free_req(ch, req, scmnd, 0);  in srp_finish_req()
1270 		scmnd->result = result;  in srp_finish_req()
1271 		scsi_done(scmnd);  in srp_finish_req()
1280 static bool srp_terminate_cmd(struct scsi_cmnd *scmnd, void *context_ptr)  in srp_terminate_cmd()  argument
1284 	u32 tag = blk_mq_unique_tag(scsi_cmd_to_rq(scmnd));  in srp_terminate_cmd()
1286 	struct srp_request *req = scsi_cmd_priv(scmnd);  in srp_terminate_cmd()
1464 			 dev_name(&req->scmnd->device->sdev_gendev), sg_nents,  in srp_map_finish_fr()
1603 	if (desc_len != scsi_bufflen(req->scmnd) ||  in srp_check_mapping()
1604 	    mr_len > scsi_bufflen(req->scmnd))  in srp_check_mapping()
1606 		       scsi_bufflen(req->scmnd), desc_len, mr_len,  in srp_check_mapping()
1620 static int srp_map_data(struct scsi_cmnd *scmnd, struct srp_rdma_ch *ch,  in srp_map_data()  argument
1638 	if (!scsi_sglist(scmnd) || scmnd->sc_data_direction == DMA_NONE)  in srp_map_data()
1641 	if (scmnd->sc_data_direction != DMA_FROM_DEVICE &&  in srp_map_data()
1642 	    scmnd->sc_data_direction != DMA_TO_DEVICE) {  in srp_map_data()
1645 			     scmnd->sc_data_direction);  in srp_map_data()
1649 	nents = scsi_sg_count(scmnd);  in srp_map_data()
1650 	scat  = scsi_sglist(scmnd);  in srp_map_data()
1651 	data_len = scsi_bufflen(scmnd);  in srp_map_data()
1656 	count = ib_dma_map_sg(ibdev, scat, nents, scmnd->sc_data_direction);  in srp_map_data()
1663 	    scmnd->sc_data_direction == DMA_TO_DEVICE) {  in srp_map_data()
1783 	if (scmnd->sc_data_direction == DMA_TO_DEVICE)  in srp_map_data()
1792 	if (scmnd->sc_data_direction == DMA_TO_DEVICE)  in srp_map_data()
1800 	srp_unmap_data(scmnd, ch, req);  in srp_map_data()
1937 	struct scsi_cmnd *scmnd;  in srp_process_rsp()  local
1955 		scmnd = scsi_host_find_tag(target->scsi_host, rsp->tag);  in srp_process_rsp()
1956 		if (scmnd) {  in srp_process_rsp()
1957 			req = scsi_cmd_priv(scmnd);  in srp_process_rsp()
1958 			scmnd = srp_claim_req(ch, req, NULL, scmnd);  in srp_process_rsp()
1960 		if (!scmnd) {  in srp_process_rsp()
1971 		scmnd->result = rsp->status;  in srp_process_rsp()
1974 			memcpy(scmnd->sense_buffer, rsp->data +  in srp_process_rsp()
1981 			scsi_set_resid(scmnd, be32_to_cpu(rsp->data_in_res_cnt));  in srp_process_rsp()
1983 			scsi_set_resid(scmnd, be32_to_cpu(rsp->data_out_res_cnt));  in srp_process_rsp()
1985 		srp_free_req(ch, req, scmnd,  in srp_process_rsp()
1988 		scsi_done(scmnd);  in srp_process_rsp()
2151 static int srp_queuecommand(struct Scsi_Host *shost, struct scsi_cmnd *scmnd)  in srp_queuecommand()  argument
2153 	struct request *rq = scsi_cmd_to_rq(scmnd);  in srp_queuecommand()
2156 	struct srp_request *req = scsi_cmd_priv(scmnd);  in srp_queuecommand()
2164 	scmnd->result = srp_chkready(target->rport);  in srp_queuecommand()
2165 	if (unlikely(scmnd->result))  in srp_queuecommand()
2187 	int_to_scsilun(scmnd->device->lun, &cmd->lun);  in srp_queuecommand()
2189 	memcpy(cmd->cdb, scmnd->cmnd, scmnd->cmd_len);  in srp_queuecommand()
2190 	if (unlikely(scmnd->cmd_len > sizeof(cmd->cdb))) {  in srp_queuecommand()
2191 		cmd->add_cdb_len = round_up(scmnd->cmd_len - sizeof(cmd->cdb),  in srp_queuecommand()
2197 	req->scmnd    = scmnd;  in srp_queuecommand()
2200 	len = srp_map_data(scmnd, ch, req);  in srp_queuecommand()
2210 		scmnd->result = len == -ENOMEM ?  in srp_queuecommand()
2220 		scmnd->result = DID_ERROR << 16;  in srp_queuecommand()
2227 	srp_unmap_data(scmnd, ch, req);  in srp_queuecommand()
2236 	req->scmnd = NULL;  in srp_queuecommand()
2239 	if (scmnd->result) {  in srp_queuecommand()
2240 		scsi_done(scmnd);  in srp_queuecommand()
2780 static int srp_abort(struct scsi_cmnd *scmnd)  in srp_abort()  argument
2782 	struct srp_target_port *target = host_to_target(scmnd->device->host);  in srp_abort()
2783 	struct srp_request *req = scsi_cmd_priv(scmnd);  in srp_abort()
2790 	tag = blk_mq_unique_tag(scsi_cmd_to_rq(scmnd));  in srp_abort()
2795 	if (!srp_claim_req(ch, req, NULL, scmnd))  in srp_abort()
2799 	if (srp_send_tsk_mgmt(ch, tag, scmnd->device->lun,  in srp_abort()
2801 		srp_free_req(ch, req, scmnd, 0);  in srp_abort()
2810 static int srp_reset_device(struct scsi_cmnd *scmnd)  in srp_reset_device()  argument
2812 	struct srp_target_port *target = host_to_target(scmnd->device->host);  in srp_reset_device()
2819 	if (srp_send_tsk_mgmt(ch, SRP_TAG_NO_REQ, scmnd->device->lun,  in srp_reset_device()
2828 static int srp_reset_host(struct scsi_cmnd *scmnd)  in srp_reset_host()  argument
2830 	struct srp_target_port *target = host_to_target(scmnd->device->host);  in srp_reset_host()