mlx5.h

 1/*
 2 * Copyright (c) 2017, 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 __LIB_MLX5_H__
34#define __LIB_MLX5_H__
35
36#include "mlx5_core.h"
37
38void mlx5_init_reserved_gids(struct mlx5_core_dev *dev);
39void mlx5_cleanup_reserved_gids(struct mlx5_core_dev *dev);
40int  mlx5_core_reserve_gids(struct mlx5_core_dev *dev, unsigned int count);
41void mlx5_core_unreserve_gids(struct mlx5_core_dev *dev, unsigned int count);
42int  mlx5_core_reserved_gid_alloc(struct mlx5_core_dev *dev, int *gid_index);
43void mlx5_core_reserved_gid_free(struct mlx5_core_dev *dev, int gid_index);
44int mlx5_crdump_enable(struct mlx5_core_dev *dev);
45void mlx5_crdump_disable(struct mlx5_core_dev *dev);
46int mlx5_crdump_collect(struct mlx5_core_dev *dev, u32 *cr_data);
47
48static inline struct net_device *mlx5_uplink_netdev_get(struct mlx5_core_dev *mdev)
49{
50	struct mlx5e_resources *mlx5e_res = &mdev->mlx5e_res;
51	struct net_device *netdev;
52
53	mutex_lock(&mlx5e_res->uplink_netdev_lock);
54	netdev = mlx5e_res->uplink_netdev;
55	netdev_hold(netdev, &mlx5e_res->tracker, GFP_KERNEL);
56	mutex_unlock(&mlx5e_res->uplink_netdev_lock);
57	return netdev;
58}
59
60static inline void mlx5_uplink_netdev_put(struct mlx5_core_dev *mdev,
61					  struct net_device *netdev)
62{
63	netdev_put(netdev, &mdev->mlx5e_res.tracker);
64}
65
66struct mlx5_sd;
67
68static inline struct mlx5_sd *mlx5_get_sd(struct mlx5_core_dev *dev)
69{
70	return dev->sd;
71}
72
73static inline void mlx5_set_sd(struct mlx5_core_dev *dev, struct mlx5_sd *sd)
74{
75	dev->sd = sd;
76}
77#endif