391 iser_reg_dma(struct iser_device *device, struct iser_data_buf *mem,  in iser_reg_dma()  argument
394 	struct scatterlist *sg = mem->sg;  in iser_reg_dma()
409 			      struct iser_data_buf *mem,  in fall_to_bounce_buf()  argument
418 		  aligned_len, mem->size);  in fall_to_bounce_buf()
421 		iser_data_buf_dump(mem, device->ib_device);  in fall_to_bounce_buf()
424 	iser_dma_unmap_task_data(iser_task, mem,  in fall_to_bounce_buf()
430 	if (iser_start_rdma_unaligned_sg(iser_task, mem, cmd_dir) != 0)  in fall_to_bounce_buf()
443 		      struct iser_data_buf *mem,  in iser_reg_page_vec()  argument
452 	plen = iser_sg_to_page_vec(mem, device->ib_device,  in iser_reg_page_vec()
459 		iser_data_buf_dump(mem, device->ib_device);  in iser_reg_page_vec()
530 	struct iser_data_buf *mem = &iser_task->data[cmd_dir];  in iser_reg_rdma_mem_fmr()  local
538 	aligned_len = iser_data_buf_aligned_len(mem, ibdev);  in iser_reg_rdma_mem_fmr()
539 	if (aligned_len != mem->dma_nents) {  in iser_reg_rdma_mem_fmr()
540 		err = fall_to_bounce_buf(iser_task, mem,  in iser_reg_rdma_mem_fmr()
549 	if (mem->dma_nents == 1) {  in iser_reg_rdma_mem_fmr()
550 		return iser_reg_dma(device, mem, mem_reg);  in iser_reg_rdma_mem_fmr()
552 		err = iser_reg_page_vec(iser_task, mem, ib_conn->fmr.page_vec,  in iser_reg_rdma_mem_fmr()
555 			iser_data_buf_dump(mem, ibdev);  in iser_reg_rdma_mem_fmr()
557 				 mem->dma_nents,  in iser_reg_rdma_mem_fmr()
597 		sig_attrs->mem.sig_type = IB_SIG_TYPE_NONE;  in iser_set_sig_attrs()
604 		iser_set_dif_domain(sc, sig_attrs, &sig_attrs->mem);  in iser_set_sig_attrs()
605 		sig_attrs->mem.sig.dif.bg_type = sc->prot_flags & SCSI_PROT_IP_CHECKSUM ?  in iser_set_sig_attrs()
612 		iser_set_dif_domain(sc, sig_attrs, &sig_attrs->mem);  in iser_set_sig_attrs()
613 		sig_attrs->mem.sig.dif.bg_type = sc->prot_flags & SCSI_PROT_IP_CHECKSUM ?  in iser_set_sig_attrs()
713 			    struct iser_data_buf *mem,  in iser_fast_reg_mr()  argument
727 	if (mem->dma_nents == 1)  in iser_fast_reg_mr()
728 		return iser_reg_dma(device, mem, reg);  in iser_fast_reg_mr()
738 	plen = iser_sg_to_page_vec(mem, device->ib_device, frpl->page_list,  in iser_fast_reg_mr()
796 	struct iser_data_buf *mem = &iser_task->data[cmd_dir];  in iser_reg_rdma_mem_fastreg()  local
801 	aligned_len = iser_data_buf_aligned_len(mem, ibdev);  in iser_reg_rdma_mem_fastreg()
802 	if (aligned_len != mem->dma_nents) {  in iser_reg_rdma_mem_fastreg()
803 		err = fall_to_bounce_buf(iser_task, mem,  in iser_reg_rdma_mem_fastreg()
811 	if (mem->dma_nents != 1 ||  in iser_reg_rdma_mem_fastreg()
817 	err = iser_fast_reg_mr(iser_task, mem, desc,  in iser_reg_rdma_mem_fastreg()
827 			mem = &iser_task->prot[cmd_dir];  in iser_reg_rdma_mem_fastreg()
828 			aligned_len = iser_data_buf_aligned_len(mem, ibdev);  in iser_reg_rdma_mem_fastreg()
829 			if (aligned_len != mem->dma_nents) {  in iser_reg_rdma_mem_fastreg()
830 				err = fall_to_bounce_buf(iser_task, mem,  in iser_reg_rdma_mem_fastreg()
838 			err = iser_fast_reg_mr(iser_task, mem, desc,  in iser_reg_rdma_mem_fastreg()