1 /* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
2 /* Copyright (c) 2020 Mellanox Technologies Ltd */
3
4 #ifndef __MLX5_SF_H__
5 #define __MLX5_SF_H__
6
7 #include <linux/mlx5/driver.h>
8
mlx5_sf_start_function_id(const struct mlx5_core_dev * dev)9 static inline u16 mlx5_sf_start_function_id(const struct mlx5_core_dev *dev)
10 {
11 return MLX5_CAP_GEN(dev, sf_base_id);
12 }
13
14 #ifdef CONFIG_MLX5_SF
15
mlx5_sf_supported(const struct mlx5_core_dev * dev)16 static inline bool mlx5_sf_supported(const struct mlx5_core_dev *dev)
17 {
18 return MLX5_CAP_GEN(dev, sf);
19 }
20
mlx5_sf_max_functions(const struct mlx5_core_dev * dev)21 static inline u16 mlx5_sf_max_functions(const struct mlx5_core_dev *dev)
22 {
23 if (!mlx5_sf_supported(dev))
24 return 0;
25 if (MLX5_CAP_GEN(dev, max_num_sf))
26 return MLX5_CAP_GEN(dev, max_num_sf);
27 else
28 return 1 << MLX5_CAP_GEN(dev, log_max_sf);
29 }
30
31 #else
32
mlx5_sf_supported(const struct mlx5_core_dev * dev)33 static inline bool mlx5_sf_supported(const struct mlx5_core_dev *dev)
34 {
35 return false;
36 }
37
mlx5_sf_max_functions(const struct mlx5_core_dev * dev)38 static inline u16 mlx5_sf_max_functions(const struct mlx5_core_dev *dev)
39 {
40 return 0;
41 }
42
43 #endif
44
45 #ifdef CONFIG_MLX5_SF_MANAGER
46
47 int mlx5_sf_hw_table_init(struct mlx5_core_dev *dev);
48 void mlx5_sf_hw_table_cleanup(struct mlx5_core_dev *dev);
49
50 int mlx5_sf_hw_table_create(struct mlx5_core_dev *dev);
51 void mlx5_sf_hw_table_destroy(struct mlx5_core_dev *dev);
52
53 int mlx5_sf_table_init(struct mlx5_core_dev *dev);
54 void mlx5_sf_table_cleanup(struct mlx5_core_dev *dev);
55
56 int mlx5_devlink_sf_port_new(struct devlink *devlink,
57 const struct devlink_port_new_attrs *add_attr,
58 struct netlink_ext_ack *extack,
59 unsigned int *new_port_index);
60 int mlx5_devlink_sf_port_del(struct devlink *devlink, unsigned int port_index,
61 struct netlink_ext_ack *extack);
62 int mlx5_devlink_sf_port_fn_state_get(struct devlink *devlink, struct devlink_port *dl_port,
63 enum devlink_port_fn_state *state,
64 enum devlink_port_fn_opstate *opstate,
65 struct netlink_ext_ack *extack);
66 int mlx5_devlink_sf_port_fn_state_set(struct devlink *devlink, struct devlink_port *dl_port,
67 enum devlink_port_fn_state state,
68 struct netlink_ext_ack *extack);
69 #else
70
mlx5_sf_hw_table_init(struct mlx5_core_dev * dev)71 static inline int mlx5_sf_hw_table_init(struct mlx5_core_dev *dev)
72 {
73 return 0;
74 }
75
mlx5_sf_hw_table_cleanup(struct mlx5_core_dev * dev)76 static inline void mlx5_sf_hw_table_cleanup(struct mlx5_core_dev *dev)
77 {
78 }
79
mlx5_sf_hw_table_create(struct mlx5_core_dev * dev)80 static inline int mlx5_sf_hw_table_create(struct mlx5_core_dev *dev)
81 {
82 return 0;
83 }
84
mlx5_sf_hw_table_destroy(struct mlx5_core_dev * dev)85 static inline void mlx5_sf_hw_table_destroy(struct mlx5_core_dev *dev)
86 {
87 }
88
mlx5_sf_table_init(struct mlx5_core_dev * dev)89 static inline int mlx5_sf_table_init(struct mlx5_core_dev *dev)
90 {
91 return 0;
92 }
93
mlx5_sf_table_cleanup(struct mlx5_core_dev * dev)94 static inline void mlx5_sf_table_cleanup(struct mlx5_core_dev *dev)
95 {
96 }
97
98 #endif
99
100 #endif
101