dev.h

 1/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
 2/* Copyright (c) 2020 Mellanox Technologies Ltd */
 3
 4#ifndef __MLX5_SF_DEV_H__
 5#define __MLX5_SF_DEV_H__
 6
 7#ifdef CONFIG_MLX5_SF
 8
 9#include <linux/auxiliary_bus.h>
10
11#define MLX5_SF_DEV_ID_NAME "sf"
12
13struct mlx5_sf_dev {
14	struct auxiliary_device adev;
15	struct mlx5_core_dev *parent_mdev;
16	struct mlx5_core_dev *mdev;
17	phys_addr_t bar_base_addr;
18	u32 sfnum;
19	u16 fn_id;
20};
21
22struct mlx5_sf_peer_devlink_event_ctx {
23	u16 fn_id;
24	struct devlink *devlink;
25	int err;
26};
27
28int mlx5_sf_dev_notifier_init(struct mlx5_core_dev *dev);
29void mlx5_sf_dev_table_create(struct mlx5_core_dev *dev);
30void mlx5_sf_dev_notifier_cleanup(struct mlx5_core_dev *dev);
31void mlx5_sf_dev_table_destroy(struct mlx5_core_dev *dev);
32
33int mlx5_sf_driver_register(void);
34void mlx5_sf_driver_unregister(void);
35
36bool mlx5_sf_dev_allocated(const struct mlx5_core_dev *dev);
37
38#else
39
40static inline int mlx5_sf_dev_notifier_init(struct mlx5_core_dev *dev)
41{
42	return 0;
43}
44
45static inline void mlx5_sf_dev_table_create(struct mlx5_core_dev *dev)
46{
47}
48
49static inline void mlx5_sf_dev_notifier_cleanup(struct mlx5_core_dev *dev)
50{
51}
52
53static inline void mlx5_sf_dev_table_destroy(struct mlx5_core_dev *dev)
54{
55}
56
57static inline int mlx5_sf_driver_register(void)
58{
59	return 0;
60}
61
62static inline void mlx5_sf_driver_unregister(void)
63{
64}
65
66static inline bool mlx5_sf_dev_allocated(const struct mlx5_core_dev *dev)
67{
68	return false;
69}
70
71#endif
72
73#endif