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()
788 int rds_iw_xmit_rdma(struct rds_connection *conn, struct rm_rdma_op *op)  in rds_iw_xmit_rdma()  argument
798 	u64 remote_addr = op->op_remote_addr;  in rds_iw_xmit_rdma()
810 	if (!op->op_mapped) {  in rds_iw_xmit_rdma()
811 		op->op_count = ib_dma_map_sg(ic->i_cm_id->device,  in rds_iw_xmit_rdma()
812 					     op->op_sg, op->op_nents, (op->op_write) ?  in rds_iw_xmit_rdma()
814 		rdsdebug("ic %p mapping op %p: %d\n", ic, op, op->op_count);  in rds_iw_xmit_rdma()
815 		if (op->op_count == 0) {  in rds_iw_xmit_rdma()
821 		op->op_mapped = 1;  in rds_iw_xmit_rdma()
824 	if (!op->op_write) {  in rds_iw_xmit_rdma()
839 	i = ceil(op->op_count, rds_iwdev->max_sge);  in rds_iw_xmit_rdma()
850 	if (!op->op_write) {  in rds_iw_xmit_rdma()
856 	scat = &op->op_sg[0];  in rds_iw_xmit_rdma()
858 	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_wr.wr.rdma.rkey = op->op_rkey;  in rds_iw_xmit_rdma()
884 		send->s_op = op;  in rds_iw_xmit_rdma()
897 		for (j = 0; j < send->s_wr.num_sge && scat != &op->op_sg[op->op_count]; j++) {  in rds_iw_xmit_rdma()
931 	if (scat == &op->op_sg[op->op_count])  in rds_iw_xmit_rdma()
945 	if (!op->op_write) {  in rds_iw_xmit_rdma()
947 			op->op_count, sent, conn->c_xmit_rm->m_rs->rs_user_addr);  in rds_iw_xmit_rdma()