1 /* 2 * Copyright (c) 2013-2015, Mellanox Technologies, Ltd. All rights reserved. 3 * 4 * This software is available to you under a choice of one of two 5 * licenses. You may choose to be licensed under the terms of the GNU 6 * General Public License (GPL) Version 2, available from the file 7 * COPYING in the main directory of this source tree, or the 8 * OpenIB.org BSD license below: 9 * 10 * Redistribution and use in source and binary forms, with or 11 * without modification, are permitted provided that the following 12 * conditions are met: 13 * 14 * - Redistributions of source code must retain the above 15 * copyright notice, this list of conditions and the following 16 * disclaimer. 17 * 18 * - Redistributions in binary form must reproduce the above 19 * copyright notice, this list of conditions and the following 20 * disclaimer in the documentation and/or other materials 21 * provided with the distribution. 22 * 23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 24 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 25 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 26 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 27 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 28 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 30 * SOFTWARE. 31 */ 32 33 #ifndef __TRANSOBJ_H__ 34 #define __TRANSOBJ_H__ 35 36 #include <linux/mlx5/driver.h> 37 38 int mlx5_core_alloc_transport_domain(struct mlx5_core_dev *dev, u32 *tdn); 39 void mlx5_core_dealloc_transport_domain(struct mlx5_core_dev *dev, u32 tdn); 40 int mlx5_core_create_rq(struct mlx5_core_dev *dev, u32 *in, int inlen, 41 u32 *rqn); 42 int mlx5_core_modify_rq(struct mlx5_core_dev *dev, u32 rqn, u32 *in); 43 void mlx5_core_destroy_rq(struct mlx5_core_dev *dev, u32 rqn); 44 int mlx5_core_query_rq(struct mlx5_core_dev *dev, u32 rqn, u32 *out); 45 int mlx5_core_create_sq(struct mlx5_core_dev *dev, u32 *in, int inlen, 46 u32 *sqn); 47 int mlx5_core_modify_sq(struct mlx5_core_dev *dev, u32 sqn, u32 *in); 48 void mlx5_core_destroy_sq(struct mlx5_core_dev *dev, u32 sqn); 49 int mlx5_core_query_sq(struct mlx5_core_dev *dev, u32 sqn, u32 *out); 50 int mlx5_core_query_sq_state(struct mlx5_core_dev *dev, u32 sqn, u8 *state); 51 int mlx5_core_create_tir(struct mlx5_core_dev *dev, u32 *in, u32 *tirn); 52 int mlx5_core_modify_tir(struct mlx5_core_dev *dev, u32 tirn, u32 *in); 53 void mlx5_core_destroy_tir(struct mlx5_core_dev *dev, u32 tirn); 54 int mlx5_core_create_tis(struct mlx5_core_dev *dev, u32 *in, u32 *tisn); 55 int mlx5_core_modify_tis(struct mlx5_core_dev *dev, u32 tisn, u32 *in); 56 void mlx5_core_destroy_tis(struct mlx5_core_dev *dev, u32 tisn); 57 int mlx5_core_create_rqt(struct mlx5_core_dev *dev, u32 *in, int inlen, 58 u32 *rqtn); 59 int mlx5_core_modify_rqt(struct mlx5_core_dev *dev, u32 rqtn, u32 *in, 60 int inlen); 61 void mlx5_core_destroy_rqt(struct mlx5_core_dev *dev, u32 rqtn); 62 63 struct mlx5_hairpin_params { 64 u8 log_data_size; 65 u8 log_num_packets; 66 u16 q_counter; 67 int num_channels; 68 }; 69 70 struct mlx5_hairpin { 71 struct mlx5_core_dev *func_mdev; 72 struct mlx5_core_dev *peer_mdev; 73 74 int num_channels; 75 76 u32 *rqn; 77 u32 *sqn; 78 79 bool peer_gone; 80 }; 81 82 struct mlx5_hairpin * 83 mlx5_core_hairpin_create(struct mlx5_core_dev *func_mdev, 84 struct mlx5_core_dev *peer_mdev, 85 struct mlx5_hairpin_params *params); 86 87 void mlx5_core_hairpin_destroy(struct mlx5_hairpin *pair); 88 void mlx5_core_hairpin_clear_dead_peer(struct mlx5_hairpin *hp); 89 #endif /* __TRANSOBJ_H__ */ 90