1174 static void srp_unmap_data(struct scsi_cmnd *scmnd,  in srp_unmap_data()  argument
1183 	if (!scsi_sglist(scmnd) ||  in srp_unmap_data()
1184 	    (scmnd->sc_data_direction != DMA_TO_DEVICE &&  in srp_unmap_data()
1185 	     scmnd->sc_data_direction != DMA_FROM_DEVICE))  in srp_unmap_data()
1206 	ib_dma_unmap_sg(ibdev, scsi_sglist(scmnd), scsi_sg_count(scmnd),  in srp_unmap_data()
1207 			scmnd->sc_data_direction);  in srp_unmap_data()
1224 				       struct scsi_cmnd *scmnd)  in srp_claim_req()  argument
1229 	if (req->scmnd &&  in srp_claim_req()
1230 	    (!sdev || req->scmnd->device == sdev) &&  in srp_claim_req()
1231 	    (!scmnd || req->scmnd == scmnd)) {  in srp_claim_req()
1232 		scmnd = req->scmnd;  in srp_claim_req()
1233 		req->scmnd = NULL;  in srp_claim_req()
1235 		scmnd = NULL;  in srp_claim_req()
1239 	return scmnd;  in srp_claim_req()
1250 			 struct scsi_cmnd *scmnd, s32 req_lim_delta)  in srp_free_req()  argument
1254 	srp_unmap_data(scmnd, ch, req);  in srp_free_req()
1264 	struct scsi_cmnd *scmnd = srp_claim_req(ch, req, sdev, NULL);  in srp_finish_req()  local
1266 	if (scmnd) {  in srp_finish_req()
1267 		srp_free_req(ch, req, scmnd, 0);  in srp_finish_req()
1268 		scmnd->result = result;  in srp_finish_req()
1269 		scmnd->scsi_done(scmnd);  in srp_finish_req()
1278 static bool srp_terminate_cmd(struct scsi_cmnd *scmnd, void *context_ptr,  in srp_terminate_cmd()  argument
1283 	u32 tag = blk_mq_unique_tag(scsi_cmd_to_rq(scmnd));  in srp_terminate_cmd()
1285 	struct srp_request *req = scsi_cmd_priv(scmnd);  in srp_terminate_cmd()
1463 			 dev_name(&req->scmnd->device->sdev_gendev), sg_nents,  in srp_map_finish_fr()
1602 	if (desc_len != scsi_bufflen(req->scmnd) ||  in srp_check_mapping()
1603 	    mr_len > scsi_bufflen(req->scmnd))  in srp_check_mapping()
1605 		       scsi_bufflen(req->scmnd), desc_len, mr_len,  in srp_check_mapping()
1619 static int srp_map_data(struct scsi_cmnd *scmnd, struct srp_rdma_ch *ch,  in srp_map_data()  argument
1637 	if (!scsi_sglist(scmnd) || scmnd->sc_data_direction == DMA_NONE)  in srp_map_data()
1640 	if (scmnd->sc_data_direction != DMA_FROM_DEVICE &&  in srp_map_data()
1641 	    scmnd->sc_data_direction != DMA_TO_DEVICE) {  in srp_map_data()
1644 			     scmnd->sc_data_direction);  in srp_map_data()
1648 	nents = scsi_sg_count(scmnd);  in srp_map_data()
1649 	scat  = scsi_sglist(scmnd);  in srp_map_data()
1650 	data_len = scsi_bufflen(scmnd);  in srp_map_data()
1655 	count = ib_dma_map_sg(ibdev, scat, nents, scmnd->sc_data_direction);  in srp_map_data()
1662 	    scmnd->sc_data_direction == DMA_TO_DEVICE) {  in srp_map_data()
1782 	if (scmnd->sc_data_direction == DMA_TO_DEVICE)  in srp_map_data()
1791 	if (scmnd->sc_data_direction == DMA_TO_DEVICE)  in srp_map_data()
1799 	srp_unmap_data(scmnd, ch, req);  in srp_map_data()
1936 	struct scsi_cmnd *scmnd;  in srp_process_rsp()  local
1954 		scmnd = scsi_host_find_tag(target->scsi_host, rsp->tag);  in srp_process_rsp()
1955 		if (scmnd) {  in srp_process_rsp()
1956 			req = scsi_cmd_priv(scmnd);  in srp_process_rsp()
1957 			scmnd = srp_claim_req(ch, req, NULL, scmnd);  in srp_process_rsp()
1959 		if (!scmnd) {  in srp_process_rsp()
1970 		scmnd->result = rsp->status;  in srp_process_rsp()
1973 			memcpy(scmnd->sense_buffer, rsp->data +  in srp_process_rsp()
1980 			scsi_set_resid(scmnd, be32_to_cpu(rsp->data_in_res_cnt));  in srp_process_rsp()
1982 			scsi_set_resid(scmnd, be32_to_cpu(rsp->data_out_res_cnt));  in srp_process_rsp()
1984 		srp_free_req(ch, req, scmnd,  in srp_process_rsp()
1987 		scmnd->scsi_done(scmnd);  in srp_process_rsp()
2150 static int srp_queuecommand(struct Scsi_Host *shost, struct scsi_cmnd *scmnd)  in srp_queuecommand()  argument
2152 	struct request *rq = scsi_cmd_to_rq(scmnd);  in srp_queuecommand()
2155 	struct srp_request *req = scsi_cmd_priv(scmnd);  in srp_queuecommand()
2163 	scmnd->result = srp_chkready(target->rport);  in srp_queuecommand()
2164 	if (unlikely(scmnd->result))  in srp_queuecommand()
2186 	int_to_scsilun(scmnd->device->lun, &cmd->lun);  in srp_queuecommand()
2188 	memcpy(cmd->cdb, scmnd->cmnd, scmnd->cmd_len);  in srp_queuecommand()
2189 	if (unlikely(scmnd->cmd_len > sizeof(cmd->cdb))) {  in srp_queuecommand()
2190 		cmd->add_cdb_len = round_up(scmnd->cmd_len - sizeof(cmd->cdb),  in srp_queuecommand()
2196 	req->scmnd    = scmnd;  in srp_queuecommand()
2199 	len = srp_map_data(scmnd, ch, req);  in srp_queuecommand()
2209 		scmnd->result = len == -ENOMEM ?  in srp_queuecommand()
2219 		scmnd->result = DID_ERROR << 16;  in srp_queuecommand()
2226 	srp_unmap_data(scmnd, ch, req);  in srp_queuecommand()
2235 	req->scmnd = NULL;  in srp_queuecommand()
2238 	if (scmnd->result) {  in srp_queuecommand()
2239 		scmnd->scsi_done(scmnd);  in srp_queuecommand()
2779 static int srp_abort(struct scsi_cmnd *scmnd)  in srp_abort()  argument
2781 	struct srp_target_port *target = host_to_target(scmnd->device->host);  in srp_abort()
2782 	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()
2807 		srp_free_req(ch, req, scmnd, 0);  in srp_abort()
2808 		scmnd->result = DID_ABORT << 16;  in srp_abort()
2809 		scmnd->scsi_done(scmnd);  in srp_abort()
2815 static int srp_reset_device(struct scsi_cmnd *scmnd)  in srp_reset_device()  argument
2817 	struct srp_target_port *target = host_to_target(scmnd->device->host);  in srp_reset_device()
2824 	if (srp_send_tsk_mgmt(ch, SRP_TAG_NO_REQ, scmnd->device->lun,  in srp_reset_device()
2833 static int srp_reset_host(struct scsi_cmnd *scmnd)  in srp_reset_host()  argument
2835 	struct srp_target_port *target = host_to_target(scmnd->device->host);  in srp_reset_host()