1 /* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
2 /* Copyright (c) 2020 Mellanox Technologies Ltd */
3 
4 #ifndef __MLX5_VHCA_EVENT_H__
5 #define __MLX5_VHCA_EVENT_H__
6 
7 #ifdef CONFIG_MLX5_SF
8 
9 struct mlx5_vhca_state_event {
10 	u16 function_id;
11 	u16 sw_function_id;
12 	u8 new_vhca_state;
13 	bool ecpu;
14 };
15 
16 static inline bool mlx5_vhca_event_supported(const struct mlx5_core_dev *dev)
17 {
18 	return MLX5_CAP_GEN_MAX(dev, vhca_state);
19 }
20 
21 void mlx5_vhca_state_cap_handle(struct mlx5_core_dev *dev, void *set_hca_cap);
22 int mlx5_vhca_event_init(struct mlx5_core_dev *dev);
23 void mlx5_vhca_event_cleanup(struct mlx5_core_dev *dev);
24 void mlx5_vhca_event_start(struct mlx5_core_dev *dev);
25 void mlx5_vhca_event_stop(struct mlx5_core_dev *dev);
26 int mlx5_vhca_event_notifier_register(struct mlx5_core_dev *dev, struct notifier_block *nb);
27 void mlx5_vhca_event_notifier_unregister(struct mlx5_core_dev *dev, struct notifier_block *nb);
28 int mlx5_modify_vhca_sw_id(struct mlx5_core_dev *dev, u16 function_id, bool ecpu, u32 sw_fn_id);
29 int mlx5_vhca_event_arm(struct mlx5_core_dev *dev, u16 function_id, bool ecpu);
30 int mlx5_cmd_query_vhca_state(struct mlx5_core_dev *dev, u16 function_id,
31 			      bool ecpu, u32 *out, u32 outlen);
32 #else
33 
34 static inline void mlx5_vhca_state_cap_handle(struct mlx5_core_dev *dev, void *set_hca_cap)
35 {
36 }
37 
38 static inline int mlx5_vhca_event_init(struct mlx5_core_dev *dev)
39 {
40 	return 0;
41 }
42 
43 static inline void mlx5_vhca_event_cleanup(struct mlx5_core_dev *dev)
44 {
45 }
46 
47 static inline void mlx5_vhca_event_start(struct mlx5_core_dev *dev)
48 {
49 }
50 
51 static inline void mlx5_vhca_event_stop(struct mlx5_core_dev *dev)
52 {
53 }
54 
55 #endif
56 
57 #endif
58