572 int rds_cmsg_rdma_args(struct rds_sock *rs, struct rds_message *rm,  in rds_cmsg_rdma_args()  argument
577 	struct rm_rdma_op *op = &rm->rdma;  in rds_cmsg_rdma_args()
586 	    || rm->rdma.op_active)  in rds_cmsg_rdma_args()
627 	op->op_sg = rds_message_alloc_sgs(rm, nr_pages, &ret);  in rds_cmsg_rdma_args()
728 int rds_cmsg_rdma_dest(struct rds_sock *rs, struct rds_message *rm,  in rds_cmsg_rdma_dest()  argument
737 	    rm->m_rdma_cookie != 0)  in rds_cmsg_rdma_dest()
740 	memcpy(&rm->m_rdma_cookie, CMSG_DATA(cmsg), sizeof(rm->m_rdma_cookie));  in rds_cmsg_rdma_dest()
747 	r_key = rds_rdma_cookie_key(rm->m_rdma_cookie);  in rds_cmsg_rdma_dest()
759 		rm->rdma.op_rdma_mr = mr;  in rds_cmsg_rdma_dest()
770 int rds_cmsg_rdma_map(struct rds_sock *rs, struct rds_message *rm,  in rds_cmsg_rdma_map()  argument
774 	    rm->m_rdma_cookie != 0)  in rds_cmsg_rdma_map()
777 	return __rds_rdma_map(rs, CMSG_DATA(cmsg), &rm->m_rdma_cookie,  in rds_cmsg_rdma_map()
778 			      &rm->rdma.op_rdma_mr, rm->m_conn_path);  in rds_cmsg_rdma_map()
784 int rds_cmsg_atomic(struct rds_sock *rs, struct rds_message *rm,  in rds_cmsg_atomic()  argument
792 	 || rm->atomic.op_active)  in rds_cmsg_atomic()
800 		rm->atomic.op_type = RDS_ATOMIC_TYPE_FADD;  in rds_cmsg_atomic()
801 		rm->atomic.op_m_fadd.add = args->fadd.add;  in rds_cmsg_atomic()
802 		rm->atomic.op_m_fadd.nocarry_mask = 0;  in rds_cmsg_atomic()
805 		rm->atomic.op_type = RDS_ATOMIC_TYPE_FADD;  in rds_cmsg_atomic()
806 		rm->atomic.op_m_fadd.add = args->m_fadd.add;  in rds_cmsg_atomic()
807 		rm->atomic.op_m_fadd.nocarry_mask = args->m_fadd.nocarry_mask;  in rds_cmsg_atomic()
810 		rm->atomic.op_type = RDS_ATOMIC_TYPE_CSWP;  in rds_cmsg_atomic()
811 		rm->atomic.op_m_cswp.compare = args->cswp.compare;  in rds_cmsg_atomic()
812 		rm->atomic.op_m_cswp.swap = args->cswp.swap;  in rds_cmsg_atomic()
813 		rm->atomic.op_m_cswp.compare_mask = ~0;  in rds_cmsg_atomic()
814 		rm->atomic.op_m_cswp.swap_mask = ~0;  in rds_cmsg_atomic()
817 		rm->atomic.op_type = RDS_ATOMIC_TYPE_CSWP;  in rds_cmsg_atomic()
818 		rm->atomic.op_m_cswp.compare = args->m_cswp.compare;  in rds_cmsg_atomic()
819 		rm->atomic.op_m_cswp.swap = args->m_cswp.swap;  in rds_cmsg_atomic()
820 		rm->atomic.op_m_cswp.compare_mask = args->m_cswp.compare_mask;  in rds_cmsg_atomic()
821 		rm->atomic.op_m_cswp.swap_mask = args->m_cswp.swap_mask;  in rds_cmsg_atomic()
827 	rm->atomic.op_notify = !!(args->flags & RDS_RDMA_NOTIFY_ME);  in rds_cmsg_atomic()
828 	rm->atomic.op_silent = !!(args->flags & RDS_RDMA_SILENT);  in rds_cmsg_atomic()
829 	rm->atomic.op_active = 1;  in rds_cmsg_atomic()
830 	rm->atomic.op_recverr = rs->rs_recverr;  in rds_cmsg_atomic()
831 	rm->atomic.op_sg = rds_message_alloc_sgs(rm, 1, &ret);  in rds_cmsg_atomic()
832 	if (!rm->atomic.op_sg)  in rds_cmsg_atomic()
846 	sg_set_page(rm->atomic.op_sg, page, 8, offset_in_page(args->local_addr));  in rds_cmsg_atomic()
848 	if (rm->atomic.op_notify || rm->atomic.op_recverr) {  in rds_cmsg_atomic()
854 		rm->atomic.op_notifier = kmalloc(sizeof(*rm->atomic.op_notifier), GFP_KERNEL);  in rds_cmsg_atomic()
855 		if (!rm->atomic.op_notifier) {  in rds_cmsg_atomic()
860 		rm->atomic.op_notifier->n_user_token = args->user_token;  in rds_cmsg_atomic()
861 		rm->atomic.op_notifier->n_status = RDS_RDMA_SUCCESS;  in rds_cmsg_atomic()
864 	rm->atomic.op_rkey = rds_rdma_cookie_key(args->cookie);  in rds_cmsg_atomic()
865 	rm->atomic.op_remote_addr = args->remote_addr + rds_rdma_cookie_offset(args->cookie);  in rds_cmsg_atomic()
871 	rm->atomic.op_active = 0;  in rds_cmsg_atomic()
872 	kfree(rm->atomic.op_notifier);  in rds_cmsg_atomic()