1053 static void srp_unmap_data(struct scsi_cmnd *scmnd,  in srp_unmap_data()  argument
1062 	if (!scsi_sglist(scmnd) ||  in srp_unmap_data()
1063 	    (scmnd->sc_data_direction != DMA_TO_DEVICE &&  in srp_unmap_data()
1064 	     scmnd->sc_data_direction != DMA_FROM_DEVICE))  in srp_unmap_data()
1090 	ib_dma_unmap_sg(ibdev, scsi_sglist(scmnd), scsi_sg_count(scmnd),  in srp_unmap_data()
1091 			scmnd->sc_data_direction);  in srp_unmap_data()
1108 				       struct scsi_cmnd *scmnd)  in srp_claim_req()  argument
1113 	if (req->scmnd &&  in srp_claim_req()
1114 	    (!sdev || req->scmnd->device == sdev) &&  in srp_claim_req()
1115 	    (!scmnd || req->scmnd == scmnd)) {  in srp_claim_req()
1116 		scmnd = req->scmnd;  in srp_claim_req()
1117 		req->scmnd = NULL;  in srp_claim_req()
1119 		scmnd = NULL;  in srp_claim_req()
1123 	return scmnd;  in srp_claim_req()
1134 			 struct scsi_cmnd *scmnd, s32 req_lim_delta)  in srp_free_req()  argument
1138 	srp_unmap_data(scmnd, ch, req);  in srp_free_req()
1148 	struct scsi_cmnd *scmnd = srp_claim_req(ch, req, sdev, NULL);  in srp_finish_req()  local
1150 	if (scmnd) {  in srp_finish_req()
1151 		srp_free_req(ch, req, scmnd, 0);  in srp_finish_req()
1152 		scmnd->result = result;  in srp_finish_req()
1153 		scmnd->scsi_done(scmnd);  in srp_finish_req()
1506 static int srp_map_data(struct scsi_cmnd *scmnd, struct srp_rdma_ch *ch,  in srp_map_data()  argument
1520 	if (!scsi_sglist(scmnd) || scmnd->sc_data_direction == DMA_NONE)  in srp_map_data()
1523 	if (scmnd->sc_data_direction != DMA_FROM_DEVICE &&  in srp_map_data()
1524 	    scmnd->sc_data_direction != DMA_TO_DEVICE) {  in srp_map_data()
1527 			     scmnd->sc_data_direction);  in srp_map_data()
1531 	nents = scsi_sg_count(scmnd);  in srp_map_data()
1532 	scat  = scsi_sglist(scmnd);  in srp_map_data()
1537 	count = ib_dma_map_sg(ibdev, scat, nents, scmnd->sc_data_direction);  in srp_map_data()
1612 	if (scmnd->sc_data_direction == DMA_TO_DEVICE)  in srp_map_data()
1621 	if (scmnd->sc_data_direction == DMA_TO_DEVICE)  in srp_map_data()
1726 	struct scsi_cmnd *scmnd;  in srp_process_rsp()  local
1739 		scmnd = scsi_host_find_tag(target->scsi_host, rsp->tag);  in srp_process_rsp()
1740 		if (scmnd) {  in srp_process_rsp()
1741 			req = (void *)scmnd->host_scribble;  in srp_process_rsp()
1742 			scmnd = srp_claim_req(ch, req, NULL, scmnd);  in srp_process_rsp()
1744 		if (!scmnd) {  in srp_process_rsp()
1755 		scmnd->result = rsp->status;  in srp_process_rsp()
1758 			memcpy(scmnd->sense_buffer, rsp->data +  in srp_process_rsp()
1765 			scsi_set_resid(scmnd, be32_to_cpu(rsp->data_in_res_cnt));  in srp_process_rsp()
1767 			scsi_set_resid(scmnd, -be32_to_cpu(rsp->data_in_res_cnt));  in srp_process_rsp()
1769 			scsi_set_resid(scmnd, be32_to_cpu(rsp->data_out_res_cnt));  in srp_process_rsp()
1771 			scsi_set_resid(scmnd, -be32_to_cpu(rsp->data_out_res_cnt));  in srp_process_rsp()
1773 		srp_free_req(ch, req, scmnd,  in srp_process_rsp()
1776 		scmnd->host_scribble = NULL;  in srp_process_rsp()
1777 		scmnd->scsi_done(scmnd);  in srp_process_rsp()
1978 static int srp_queuecommand(struct Scsi_Host *shost, struct scsi_cmnd *scmnd)  in srp_queuecommand()  argument
2002 	scmnd->result = srp_chkready(target->rport);  in srp_queuecommand()
2003 	if (unlikely(scmnd->result))  in srp_queuecommand()
2006 	WARN_ON_ONCE(scmnd->request->tag < 0);  in srp_queuecommand()
2007 	tag = blk_mq_unique_tag(scmnd->request);  in srp_queuecommand()
2026 	scmnd->host_scribble = (void *) req;  in srp_queuecommand()
2032 	cmd->lun    = cpu_to_be64((u64) scmnd->device->lun << 48);  in srp_queuecommand()
2034 	memcpy(cmd->cdb, scmnd->cmnd, scmnd->cmd_len);  in srp_queuecommand()
2036 	req->scmnd    = scmnd;  in srp_queuecommand()
2039 	len = srp_map_data(scmnd, ch, req);  in srp_queuecommand()
2049 		scmnd->result = len == -ENOMEM ?  in srp_queuecommand()
2071 	srp_unmap_data(scmnd, ch, req);  in srp_queuecommand()
2080 	req->scmnd = NULL;  in srp_queuecommand()
2083 	if (scmnd->result) {  in srp_queuecommand()
2084 		scmnd->scsi_done(scmnd);  in srp_queuecommand()
2469 static int srp_abort(struct scsi_cmnd *scmnd)  in srp_abort()  argument
2471 	struct srp_target_port *target = host_to_target(scmnd->device->host);  in srp_abort()
2472 	struct srp_request *req = (struct srp_request *) scmnd->host_scribble;  in srp_abort()
2482 	tag = blk_mq_unique_tag(scmnd->request);  in srp_abort()
2487 	if (!srp_claim_req(ch, req, NULL, scmnd))  in srp_abort()
2491 	if (srp_send_tsk_mgmt(ch, tag, scmnd->device->lun,  in srp_abort()
2498 	srp_free_req(ch, req, scmnd, 0);  in srp_abort()
2499 	scmnd->result = DID_ABORT << 16;  in srp_abort()
2500 	scmnd->scsi_done(scmnd);  in srp_abort()
2505 static int srp_reset_device(struct scsi_cmnd *scmnd)  in srp_reset_device()  argument
2507 	struct srp_target_port *target = host_to_target(scmnd->device->host);  in srp_reset_device()
2514 	if (srp_send_tsk_mgmt(ch, SRP_TAG_NO_REQ, scmnd->device->lun,  in srp_reset_device()
2525 			srp_finish_req(ch, req, scmnd->device, DID_RESET << 16);  in srp_reset_device()
2532 static int srp_reset_host(struct scsi_cmnd *scmnd)  in srp_reset_host()  argument
2534 	struct srp_target_port *target = host_to_target(scmnd->device->host);  in srp_reset_host()