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