mlx4/mlx4_ib/mlx4_ib_qp.c

3428 int mlx4_ib_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr, int qp_attr_mask,
3440 		qp_attr->qp_state = IB_QPS_RESET;
3453 	qp_attr->qp_state	     = qp->state;
3454 	qp_attr->path_mtu	     = context.mtu_msgmax >> 5;
3455 	qp_attr->path_mig_state	     =
3457 	qp_attr->qkey		     = be32_to_cpu(context.qkey);
3458 	qp_attr->rq_psn		     = be32_to_cpu(context.rnr_nextrecvpsn) & 0xffffff;
3459 	qp_attr->sq_psn		     = be32_to_cpu(context.next_send_psn) & 0xffffff;
3460 	qp_attr->dest_qp_num	     = be32_to_cpu(context.remote_qpn) & 0xffffff;
3461 	qp_attr->qp_access_flags     =
3465 		to_ib_ah_attr(dev, &qp_attr->ah_attr, &context.pri_path);
3466 		to_ib_ah_attr(dev, &qp_attr->alt_ah_attr, &context.alt_path);
3467 		qp_attr->alt_pkey_index = context.alt_path.pkey_index & 0x7f;
3468 		qp_attr->alt_port_num	= qp_attr->alt_ah_attr.port_num;
3471 	qp_attr->pkey_index = context.pri_path.pkey_index & 0x7f;
3472 	if (qp_attr->qp_state == IB_QPS_INIT)
3473 		qp_attr->port_num = qp->port;
3475 		qp_attr->port_num = context.pri_path.sched_queue & 0x40 ? 2 : 1;
3477 	/* qp_attr->en_sqd_async_notify is only applicable in modify qp */
3478 	qp_attr->sq_draining = mlx4_state == MLX4_QP_STATE_SQ_DRAINING;
3480 	qp_attr->max_rd_atomic = 1 << ((be32_to_cpu(context.params1) >> 21) & 0x7);
3482 	qp_attr->max_dest_rd_atomic =
3484 	qp_attr->min_rnr_timer	    =
3486 	qp_attr->timeout	    = context.pri_path.ackto >> 3;
3487 	qp_attr->retry_cnt	    = (be32_to_cpu(context.params1) >> 16) & 0x7;
3488 	qp_attr->rnr_retry	    = (be32_to_cpu(context.params1) >> 13) & 0x7;
3489 	qp_attr->alt_timeout	    = context.alt_path.ackto >> 3;
3492 	qp_attr->cur_qp_state	     = qp_attr->qp_state;
3493 	qp_attr->cap.max_recv_wr     = qp->rq.wqe_cnt;
3494 	qp_attr->cap.max_recv_sge    = qp->rq.max_gs;
3497 		qp_attr->cap.max_send_wr  = qp->sq.wqe_cnt;
3498 		qp_attr->cap.max_send_sge = qp->sq.max_gs;
3500 		qp_attr->cap.max_send_wr  = 0;
3501 		qp_attr->cap.max_send_sge = 0;
3508 	qp_attr->cap.max_inline_data = 0;
3510 	qp_init_attr->cap	     = qp_attr->cap;