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 
13 struct 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 
22 struct mlx5_sf_peer_devlink_event_ctx {
23 	u16 fn_id;
24 	struct devlink *devlink;
25 	int err;
26 };
27 
28 void mlx5_sf_dev_table_create(struct mlx5_core_dev *dev);
29 void mlx5_sf_dev_table_destroy(struct mlx5_core_dev *dev);
30 
31 int mlx5_sf_driver_register(void);
32 void mlx5_sf_driver_unregister(void);
33 
34 bool mlx5_sf_dev_allocated(const struct mlx5_core_dev *dev);
35 
36 #else
37 
mlx5_sf_dev_table_create(struct mlx5_core_dev * dev)38 static inline void mlx5_sf_dev_table_create(struct mlx5_core_dev *dev)
39 {
40 }
41 
mlx5_sf_dev_table_destroy(struct mlx5_core_dev * dev)42 static inline void mlx5_sf_dev_table_destroy(struct mlx5_core_dev *dev)
43 {
44 }
45 
mlx5_sf_driver_register(void)46 static inline int mlx5_sf_driver_register(void)
47 {
48 	return 0;
49 }
50 
mlx5_sf_driver_unregister(void)51 static inline void mlx5_sf_driver_unregister(void)
52 {
53 }
54 
mlx5_sf_dev_allocated(const struct mlx5_core_dev * dev)55 static inline bool mlx5_sf_dev_allocated(const struct mlx5_core_dev *dev)
56 {
57 	return false;
58 }
59 
60 #endif
61 
62 #endif
63