67 				   struct rm_rdma_op *op)  in rds_iw_send_unmap_rdma()  argument
69 	if (op->op_mapped) {  in rds_iw_send_unmap_rdma()
71 			op->op_sg, op->op_nents,  in rds_iw_send_unmap_rdma()
72 			op->op_write ? DMA_TO_DEVICE : DMA_FROM_DEVICE);  in rds_iw_send_unmap_rdma()
73 		op->op_mapped = 0;  in rds_iw_send_unmap_rdma()
786 int rds_iw_xmit_rdma(struct rds_connection *conn, struct rm_rdma_op *op)  in rds_iw_xmit_rdma()  argument
796 	u64 remote_addr = op->op_remote_addr;  in rds_iw_xmit_rdma()
809 	if (!op->op_mapped) {  in rds_iw_xmit_rdma()
810 		op->op_count = ib_dma_map_sg(ic->i_cm_id->device,  in rds_iw_xmit_rdma()
811 					     op->op_sg, op->op_nents, (op->op_write) ?  in rds_iw_xmit_rdma()
813 		rdsdebug("ic %p mapping op %p: %d\n", ic, op, op->op_count);  in rds_iw_xmit_rdma()
814 		if (op->op_count == 0) {  in rds_iw_xmit_rdma()
820 		op->op_mapped = 1;  in rds_iw_xmit_rdma()
823 	if (!op->op_write) {  in rds_iw_xmit_rdma()
838 	i = ceil(op->op_count, rds_iwdev->max_sge);  in rds_iw_xmit_rdma()
849 	if (!op->op_write) {  in rds_iw_xmit_rdma()
855 	scat = &op->op_sg[0];  in rds_iw_xmit_rdma()
857 	num_sge = op->op_count;  in rds_iw_xmit_rdma()
860 	for (i = 0; i < work_alloc && scat != &op->op_sg[op->op_count]; i++) {  in rds_iw_xmit_rdma()
877 		if (op->op_write)  in rds_iw_xmit_rdma()
883 		send->s_rdma_wr.rkey = op->op_rkey;  in rds_iw_xmit_rdma()
884 		send->s_op = op;  in rds_iw_xmit_rdma()
898 		     scat != &op->op_sg[op->op_count]; j++) {  in rds_iw_xmit_rdma()
934 	if (scat == &op->op_sg[op->op_count])  in rds_iw_xmit_rdma()
948 	if (!op->op_write) {  in rds_iw_xmit_rdma()
950 					    &op->op_sg[0], sg_nents);  in rds_iw_xmit_rdma()