Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
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
38int mlx5_core_alloc_transport_domain(struct mlx5_core_dev *dev, u32 *tdn);
39void mlx5_core_dealloc_transport_domain(struct mlx5_core_dev *dev, u32 tdn);
40int mlx5_core_create_rq(struct mlx5_core_dev *dev, u32 *in, int inlen,
41 u32 *rqn);
42int mlx5_core_modify_rq(struct mlx5_core_dev *dev, u32 rqn, u32 *in, int inlen);
43void mlx5_core_destroy_rq(struct mlx5_core_dev *dev, u32 rqn);
44int mlx5_core_query_rq(struct mlx5_core_dev *dev, u32 rqn, u32 *out);
45int mlx5_core_create_sq(struct mlx5_core_dev *dev, u32 *in, int inlen,
46 u32 *sqn);
47int mlx5_core_modify_sq(struct mlx5_core_dev *dev, u32 sqn, u32 *in, int inlen);
48void mlx5_core_destroy_sq(struct mlx5_core_dev *dev, u32 sqn);
49int mlx5_core_query_sq(struct mlx5_core_dev *dev, u32 sqn, u32 *out);
50int mlx5_core_query_sq_state(struct mlx5_core_dev *dev, u32 sqn, u8 *state);
51int mlx5_core_create_tir(struct mlx5_core_dev *dev, u32 *in, int inlen,
52 u32 *tirn);
53int mlx5_core_modify_tir(struct mlx5_core_dev *dev, u32 tirn, u32 *in,
54 int inlen);
55void mlx5_core_destroy_tir(struct mlx5_core_dev *dev, u32 tirn);
56int mlx5_core_create_tis(struct mlx5_core_dev *dev, u32 *in, int inlen,
57 u32 *tisn);
58int mlx5_core_modify_tis(struct mlx5_core_dev *dev, u32 tisn, u32 *in,
59 int inlen);
60void mlx5_core_destroy_tis(struct mlx5_core_dev *dev, u32 tisn);
61int mlx5_core_create_rqt(struct mlx5_core_dev *dev, u32 *in, int inlen,
62 u32 *rqtn);
63int mlx5_core_modify_rqt(struct mlx5_core_dev *dev, u32 rqtn, u32 *in,
64 int inlen);
65void mlx5_core_destroy_rqt(struct mlx5_core_dev *dev, u32 rqtn);
66
67struct mlx5_hairpin_params {
68 u8 log_data_size;
69 u8 log_num_packets;
70 u16 q_counter;
71 int num_channels;
72};
73
74struct mlx5_hairpin {
75 struct mlx5_core_dev *func_mdev;
76 struct mlx5_core_dev *peer_mdev;
77
78 int num_channels;
79
80 u32 *rqn;
81 u32 *sqn;
82
83 bool peer_gone;
84};
85
86struct mlx5_hairpin *
87mlx5_core_hairpin_create(struct mlx5_core_dev *func_mdev,
88 struct mlx5_core_dev *peer_mdev,
89 struct mlx5_hairpin_params *params);
90
91void mlx5_core_hairpin_destroy(struct mlx5_hairpin *pair);
92#endif /* __TRANSOBJ_H__ */