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/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
/* Copyright (c) 2018 Mellanox Technologies */
#ifndef __LIB_MLX5_DEVCOM_H__
#define __LIB_MLX5_DEVCOM_H__
#include <linux/mlx5/driver.h>
enum mlx5_devcom_component {
MLX5_DEVCOM_ESW_OFFLOADS,
MLX5_DEVCOM_MPV,
MLX5_DEVCOM_HCA_PORTS,
MLX5_DEVCOM_NUM_COMPONENTS,
};
typedef int (*mlx5_devcom_event_handler_t)(int event,
void *my_data,
void *event_data);
struct mlx5_devcom_dev *mlx5_devcom_register_device(struct mlx5_core_dev *dev);
void mlx5_devcom_unregister_device(struct mlx5_devcom_dev *devc);
struct mlx5_devcom_comp_dev *
mlx5_devcom_register_component(struct mlx5_devcom_dev *devc,
enum mlx5_devcom_component id,
u64 key,
mlx5_devcom_event_handler_t handler,
void *data);
void mlx5_devcom_unregister_component(struct mlx5_devcom_comp_dev *devcom);
int mlx5_devcom_send_event(struct mlx5_devcom_comp_dev *devcom,
int event, int rollback_event,
void *event_data);
void mlx5_devcom_comp_set_ready(struct mlx5_devcom_comp_dev *devcom, bool ready);
bool mlx5_devcom_comp_is_ready(struct mlx5_devcom_comp_dev *devcom);
bool mlx5_devcom_for_each_peer_begin(struct mlx5_devcom_comp_dev *devcom);
void mlx5_devcom_for_each_peer_end(struct mlx5_devcom_comp_dev *devcom);
void *mlx5_devcom_get_next_peer_data(struct mlx5_devcom_comp_dev *devcom,
struct mlx5_devcom_comp_dev **pos);
#define mlx5_devcom_for_each_peer_entry(devcom, data, pos) \
for (pos = NULL, data = mlx5_devcom_get_next_peer_data(devcom, &pos); \
data; \
data = mlx5_devcom_get_next_peer_data(devcom, &pos))
void *mlx5_devcom_get_next_peer_data_rcu(struct mlx5_devcom_comp_dev *devcom,
struct mlx5_devcom_comp_dev **pos);
#define mlx5_devcom_for_each_peer_entry_rcu(devcom, data, pos) \
for (pos = NULL, data = mlx5_devcom_get_next_peer_data_rcu(devcom, &pos); \
data; \
data = mlx5_devcom_get_next_peer_data_rcu(devcom, &pos))
void mlx5_devcom_comp_lock(struct mlx5_devcom_comp_dev *devcom);
void mlx5_devcom_comp_unlock(struct mlx5_devcom_comp_dev *devcom);
int mlx5_devcom_comp_trylock(struct mlx5_devcom_comp_dev *devcom);
#endif /* __LIB_MLX5_DEVCOM_H__ */
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