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_SHARED_CLOCK, 15 MLX5_DEVCOM_NUM_COMPONENTS, 16 }; 17 18 typedef int (*mlx5_devcom_event_handler_t)(int event, 19 void *my_data, 20 void *event_data); 21 22 struct mlx5_devcom_dev *mlx5_devcom_register_device(struct mlx5_core_dev *dev); 23 void mlx5_devcom_unregister_device(struct mlx5_devcom_dev *devc); 24 25 struct mlx5_devcom_comp_dev * 26 mlx5_devcom_register_component(struct mlx5_devcom_dev *devc, 27 enum mlx5_devcom_component id, 28 u64 key, 29 mlx5_devcom_event_handler_t handler, 30 void *data); 31 void mlx5_devcom_unregister_component(struct mlx5_devcom_comp_dev *devcom); 32 33 int mlx5_devcom_send_event(struct mlx5_devcom_comp_dev *devcom, 34 int event, int rollback_event, 35 void *event_data); 36 int mlx5_devcom_comp_get_size(struct mlx5_devcom_comp_dev *devcom); 37 38 void mlx5_devcom_comp_set_ready(struct mlx5_devcom_comp_dev *devcom, bool ready); 39 bool mlx5_devcom_comp_is_ready(struct mlx5_devcom_comp_dev *devcom); 40 41 bool mlx5_devcom_for_each_peer_begin(struct mlx5_devcom_comp_dev *devcom); 42 void mlx5_devcom_for_each_peer_end(struct mlx5_devcom_comp_dev *devcom); 43 void *mlx5_devcom_get_next_peer_data(struct mlx5_devcom_comp_dev *devcom, 44 struct mlx5_devcom_comp_dev **pos); 45 46 #define mlx5_devcom_for_each_peer_entry(devcom, data, pos) \ 47 for (pos = NULL, data = mlx5_devcom_get_next_peer_data(devcom, &pos); \ 48 data; \ 49 data = mlx5_devcom_get_next_peer_data(devcom, &pos)) 50 51 void *mlx5_devcom_get_next_peer_data_rcu(struct mlx5_devcom_comp_dev *devcom, 52 struct mlx5_devcom_comp_dev **pos); 53 54 #define mlx5_devcom_for_each_peer_entry_rcu(devcom, data, pos) \ 55 for (pos = NULL, data = mlx5_devcom_get_next_peer_data_rcu(devcom, &pos); \ 56 data; \ 57 data = mlx5_devcom_get_next_peer_data_rcu(devcom, &pos)) 58 59 void mlx5_devcom_comp_lock(struct mlx5_devcom_comp_dev *devcom); 60 void mlx5_devcom_comp_unlock(struct mlx5_devcom_comp_dev *devcom); 61 int mlx5_devcom_comp_trylock(struct mlx5_devcom_comp_dev *devcom); 62 63 #endif /* __LIB_MLX5_DEVCOM_H__ */ 64