50 static void mlx4_ib_lock_cqs(struct mlx4_ib_cq *send_cq,
52 static void mlx4_ib_unlock_cqs(struct mlx4_ib_cq *send_cq,
863 	mlx4_ib_lock_cqs(to_mcq(init_attr->send_cq),  in create_qp_common()
872 	mcq = to_mcq(init_attr->send_cq);  in create_qp_common()
876 	mlx4_ib_unlock_cqs(to_mcq(init_attr->send_cq),  in create_qp_common()
933 static void mlx4_ib_lock_cqs(struct mlx4_ib_cq *send_cq, struct mlx4_ib_cq *recv_cq)  in mlx4_ib_lock_cqs()  argument
934 	__acquires(&send_cq->lock) __acquires(&recv_cq->lock)  in mlx4_ib_lock_cqs()
936 	if (send_cq == recv_cq) {  in mlx4_ib_lock_cqs()
937 		spin_lock(&send_cq->lock);  in mlx4_ib_lock_cqs()
939 	} else if (send_cq->mcq.cqn < recv_cq->mcq.cqn) {  in mlx4_ib_lock_cqs()
940 		spin_lock(&send_cq->lock);  in mlx4_ib_lock_cqs()
944 		spin_lock_nested(&send_cq->lock, SINGLE_DEPTH_NESTING);  in mlx4_ib_lock_cqs()
948 static void mlx4_ib_unlock_cqs(struct mlx4_ib_cq *send_cq, struct mlx4_ib_cq *recv_cq)  in mlx4_ib_unlock_cqs()  argument
949 	__releases(&send_cq->lock) __releases(&recv_cq->lock)  in mlx4_ib_unlock_cqs()
951 	if (send_cq == recv_cq) {  in mlx4_ib_unlock_cqs()
953 		spin_unlock(&send_cq->lock);  in mlx4_ib_unlock_cqs()
954 	} else if (send_cq->mcq.cqn < recv_cq->mcq.cqn) {  in mlx4_ib_unlock_cqs()
956 		spin_unlock(&send_cq->lock);  in mlx4_ib_unlock_cqs()
958 		spin_unlock(&send_cq->lock);  in mlx4_ib_unlock_cqs()
982 		    struct mlx4_ib_cq **send_cq, struct mlx4_ib_cq **recv_cq)  in get_cqs()  argument
986 		*send_cq = to_mcq(to_mxrcd(qp->ibqp.xrcd)->cq);  in get_cqs()
987 		*recv_cq = *send_cq;  in get_cqs()
990 		*send_cq = to_mcq(qp->ibqp.send_cq);  in get_cqs()
991 		*recv_cq = *send_cq;  in get_cqs()
994 		*send_cq = to_mcq(qp->ibqp.send_cq);  in get_cqs()
1003 	struct mlx4_ib_cq *send_cq, *recv_cq;  in destroy_qp_common()  local
1034 	get_cqs(qp, &send_cq, &recv_cq);  in destroy_qp_common()
1037 	mlx4_ib_lock_cqs(send_cq, recv_cq);  in destroy_qp_common()
1046 		if (send_cq != recv_cq)  in destroy_qp_common()
1047 			__mlx4_ib_cq_clean(send_cq, qp->mqp.qpn, NULL);  in destroy_qp_common()
1052 	mlx4_ib_unlock_cqs(send_cq, recv_cq);  in destroy_qp_common()
1145 		init_attr->send_cq = to_mxrcd(init_attr->xrcd)->cq;  in mlx4_ib_create_qp()
1150 		init_attr->recv_cq = init_attr->send_cq;  in mlx4_ib_create_qp()
1517 	struct mlx4_ib_cq *send_cq, *recv_cq;  in __mlx4_ib_modify_qp()  local
1704 	get_cqs(qp, &send_cq, &recv_cq);  in __mlx4_ib_modify_qp()
1706 	context->cqn_send = cpu_to_be32(send_cq->mcq.cqn);  in __mlx4_ib_modify_qp()
1915 			if (send_cq != recv_cq)  in __mlx4_ib_modify_qp()
1916 				mlx4_ib_cq_clean(send_cq, qp->mqp.qpn, NULL);  in __mlx4_ib_modify_qp()
2783 		if (mlx4_wq_overflow(&qp->sq, nreq, qp->ibqp.send_cq)) {  in mlx4_ib_post_send()