1193 static void srp_unmap_data(struct scsi_cmnd *scmnd,  in srp_unmap_data()  argument
1202 	if (!scsi_sglist(scmnd) ||  in srp_unmap_data()
1203 	    (scmnd->sc_data_direction != DMA_TO_DEVICE &&  in srp_unmap_data()
1204 	     scmnd->sc_data_direction != DMA_FROM_DEVICE))  in srp_unmap_data()
1225 	ib_dma_unmap_sg(ibdev, scsi_sglist(scmnd), scsi_sg_count(scmnd),  in srp_unmap_data()
1226 			scmnd->sc_data_direction);  in srp_unmap_data()
1243 				       struct scsi_cmnd *scmnd)  in srp_claim_req()  argument
1248 	if (req->scmnd &&  in srp_claim_req()
1249 	    (!sdev || req->scmnd->device == sdev) &&  in srp_claim_req()
1250 	    (!scmnd || req->scmnd == scmnd)) {  in srp_claim_req()
1251 		scmnd = req->scmnd;  in srp_claim_req()
1252 		req->scmnd = NULL;  in srp_claim_req()
1254 		scmnd = NULL;  in srp_claim_req()
1258 	return scmnd;  in srp_claim_req()
1269 			 struct scsi_cmnd *scmnd, s32 req_lim_delta)  in srp_free_req()  argument
1273 	srp_unmap_data(scmnd, ch, req);  in srp_free_req()
1283 	struct scsi_cmnd *scmnd = srp_claim_req(ch, req, sdev, NULL);  in srp_finish_req()  local
1285 	if (scmnd) {  in srp_finish_req()
1286 		srp_free_req(ch, req, scmnd, 0);  in srp_finish_req()
1287 		scmnd->result = result;  in srp_finish_req()
1288 		scmnd->scsi_done(scmnd);  in srp_finish_req()
1473 			 dev_name(&req->scmnd->device->sdev_gendev), sg_nents,  in srp_map_finish_fr()
1612 	if (desc_len != scsi_bufflen(req->scmnd) ||  in srp_check_mapping()
1613 	    mr_len > scsi_bufflen(req->scmnd))  in srp_check_mapping()
1615 		       scsi_bufflen(req->scmnd), desc_len, mr_len,  in srp_check_mapping()
1629 static int srp_map_data(struct scsi_cmnd *scmnd, struct srp_rdma_ch *ch,  in srp_map_data()  argument
1647 	if (!scsi_sglist(scmnd) || scmnd->sc_data_direction == DMA_NONE)  in srp_map_data()
1650 	if (scmnd->sc_data_direction != DMA_FROM_DEVICE &&  in srp_map_data()
1651 	    scmnd->sc_data_direction != DMA_TO_DEVICE) {  in srp_map_data()
1654 			     scmnd->sc_data_direction);  in srp_map_data()
1658 	nents = scsi_sg_count(scmnd);  in srp_map_data()
1659 	scat  = scsi_sglist(scmnd);  in srp_map_data()
1660 	data_len = scsi_bufflen(scmnd);  in srp_map_data()
1665 	count = ib_dma_map_sg(ibdev, scat, nents, scmnd->sc_data_direction);  in srp_map_data()
1672 	    scmnd->sc_data_direction == DMA_TO_DEVICE) {  in srp_map_data()
1792 	if (scmnd->sc_data_direction == DMA_TO_DEVICE)  in srp_map_data()
1801 	if (scmnd->sc_data_direction == DMA_TO_DEVICE)  in srp_map_data()
1809 	srp_unmap_data(scmnd, ch, req);  in srp_map_data()
1946 	struct scsi_cmnd *scmnd;  in srp_process_rsp()  local
1964 		scmnd = scsi_host_find_tag(target->scsi_host, rsp->tag);  in srp_process_rsp()
1965 		if (scmnd && scmnd->host_scribble) {  in srp_process_rsp()
1966 			req = (void *)scmnd->host_scribble;  in srp_process_rsp()
1967 			scmnd = srp_claim_req(ch, req, NULL, scmnd);  in srp_process_rsp()
1969 			scmnd = NULL;  in srp_process_rsp()
1971 		if (!scmnd) {  in srp_process_rsp()
1982 		scmnd->result = rsp->status;  in srp_process_rsp()
1985 			memcpy(scmnd->sense_buffer, rsp->data +  in srp_process_rsp()
1992 			scsi_set_resid(scmnd, be32_to_cpu(rsp->data_in_res_cnt));  in srp_process_rsp()
1994 			scsi_set_resid(scmnd, -be32_to_cpu(rsp->data_in_res_cnt));  in srp_process_rsp()
1996 			scsi_set_resid(scmnd, be32_to_cpu(rsp->data_out_res_cnt));  in srp_process_rsp()
1998 			scsi_set_resid(scmnd, -be32_to_cpu(rsp->data_out_res_cnt));  in srp_process_rsp()
2000 		srp_free_req(ch, req, scmnd,  in srp_process_rsp()
2003 		scmnd->host_scribble = NULL;  in srp_process_rsp()
2004 		scmnd->scsi_done(scmnd);  in srp_process_rsp()
2167 static int srp_queuecommand(struct Scsi_Host *shost, struct scsi_cmnd *scmnd)  in srp_queuecommand()  argument
2180 	scmnd->result = srp_chkready(target->rport);  in srp_queuecommand()
2181 	if (unlikely(scmnd->result))  in srp_queuecommand()
2184 	WARN_ON_ONCE(scmnd->request->tag < 0);  in srp_queuecommand()
2185 	tag = blk_mq_unique_tag(scmnd->request);  in srp_queuecommand()
2204 	scmnd->host_scribble = (void *) req;  in srp_queuecommand()
2210 	int_to_scsilun(scmnd->device->lun, &cmd->lun);  in srp_queuecommand()
2212 	memcpy(cmd->cdb, scmnd->cmnd, scmnd->cmd_len);  in srp_queuecommand()
2213 	if (unlikely(scmnd->cmd_len > sizeof(cmd->cdb))) {  in srp_queuecommand()
2214 		cmd->add_cdb_len = round_up(scmnd->cmd_len - sizeof(cmd->cdb),  in srp_queuecommand()
2220 	req->scmnd    = scmnd;  in srp_queuecommand()
2223 	len = srp_map_data(scmnd, ch, req);  in srp_queuecommand()
2233 		scmnd->result = len == -ENOMEM ?  in srp_queuecommand()
2243 		scmnd->result = DID_ERROR << 16;  in srp_queuecommand()
2250 	srp_unmap_data(scmnd, ch, req);  in srp_queuecommand()
2259 	req->scmnd = NULL;  in srp_queuecommand()
2262 	if (scmnd->result) {  in srp_queuecommand()
2263 		scmnd->scsi_done(scmnd);  in srp_queuecommand()
2803 static int srp_abort(struct scsi_cmnd *scmnd)  in srp_abort()  argument
2805 	struct srp_target_port *target = host_to_target(scmnd->device->host);  in srp_abort()
2806 	struct srp_request *req = (struct srp_request *) scmnd->host_scribble;  in srp_abort()
2816 	tag = blk_mq_unique_tag(scmnd->request);  in srp_abort()
2821 	if (!srp_claim_req(ch, req, NULL, scmnd))  in srp_abort()
2825 	if (srp_send_tsk_mgmt(ch, tag, scmnd->device->lun,  in srp_abort()
2833 		srp_free_req(ch, req, scmnd, 0);  in srp_abort()
2834 		scmnd->result = DID_ABORT << 16;  in srp_abort()
2835 		scmnd->scsi_done(scmnd);  in srp_abort()
2841 static int srp_reset_device(struct scsi_cmnd *scmnd)  in srp_reset_device()  argument
2843 	struct srp_target_port *target = host_to_target(scmnd->device->host);  in srp_reset_device()
2850 	if (srp_send_tsk_mgmt(ch, SRP_TAG_NO_REQ, scmnd->device->lun,  in srp_reset_device()
2859 static int srp_reset_host(struct scsi_cmnd *scmnd)  in srp_reset_host()  argument
2861 	struct srp_target_port *target = host_to_target(scmnd->device->host);  in srp_reset_host()