1 /* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */ 2 /* Copyright (c) 2018 Mellanox Technologies */ 3 4 #ifndef __LIB_MLX5_DEVCOM_H__ 5 #define __LIB_MLX5_DEVCOM_H__ 6 7 #include <linux/mlx5/driver.h> 8 9 enum mlx5_devcom_component { 10 MLX5_DEVCOM_ESW_OFFLOADS, 11 MLX5_DEVCOM_MPV, 12 MLX5_DEVCOM_HCA_PORTS, 13 MLX5_DEVCOM_SD_GROUP, 14 MLX5_DEVCOM_NUM_COMPONENTS, 15 }; 16 17 typedef int (*mlx5_devcom_event_handler_t)(int event, 18 void *my_data, 19 void *event_data); 20 21 struct mlx5_devcom_dev *mlx5_devcom_register_device(struct mlx5_core_dev *dev); 22 void mlx5_devcom_unregister_device(struct mlx5_devcom_dev *devc); 23 24 struct mlx5_devcom_comp_dev * 25 mlx5_devcom_register_component(struct mlx5_devcom_dev *devc, 26 enum mlx5_devcom_component id, 27 u64 key, 28 mlx5_devcom_event_handler_t handler, 29 void *data); 30 void mlx5_devcom_unregister_component(struct mlx5_devcom_comp_dev *devcom); 31 32 int mlx5_devcom_send_event(struct mlx5_devcom_comp_dev *devcom, 33 int event, int rollback_event, 34 void *event_data); 35 int mlx5_devcom_comp_get_size(struct mlx5_devcom_comp_dev *devcom); 36 37 void mlx5_devcom_comp_set_ready(struct mlx5_devcom_comp_dev *devcom, bool ready); 38 bool mlx5_devcom_comp_is_ready(struct mlx5_devcom_comp_dev *devcom); 39 40 bool mlx5_devcom_for_each_peer_begin(struct mlx5_devcom_comp_dev *devcom); 41 void mlx5_devcom_for_each_peer_end(struct mlx5_devcom_comp_dev *devcom); 42 void *mlx5_devcom_get_next_peer_data(struct mlx5_devcom_comp_dev *devcom, 43 struct mlx5_devcom_comp_dev **pos); 44 45 #define mlx5_devcom_for_each_peer_entry(devcom, data, pos) \ 46 for (pos = NULL, data = mlx5_devcom_get_next_peer_data(devcom, &pos); \ 47 data; \ 48 data = mlx5_devcom_get_next_peer_data(devcom, &pos)) 49 50 void *mlx5_devcom_get_next_peer_data_rcu(struct mlx5_devcom_comp_dev *devcom, 51 struct mlx5_devcom_comp_dev **pos); 52 53 #define mlx5_devcom_for_each_peer_entry_rcu(devcom, data, pos) \ 54 for (pos = NULL, data = mlx5_devcom_get_next_peer_data_rcu(devcom, &pos); \ 55 data; \ 56 data = mlx5_devcom_get_next_peer_data_rcu(devcom, &pos)) 57 58 void mlx5_devcom_comp_lock(struct mlx5_devcom_comp_dev *devcom); 59 void mlx5_devcom_comp_unlock(struct mlx5_devcom_comp_dev *devcom); 60 int mlx5_devcom_comp_trylock(struct mlx5_devcom_comp_dev *devcom); 61 62 #endif /* __LIB_MLX5_DEVCOM_H__ */ 63