/* 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>

#define MLX5_DEVCOM_PORTS_SUPPORTED 4

enum mlx5_devcom_components {
	MLX5_DEVCOM_ESW_OFFLOADS,

	MLX5_DEVCOM_NUM_COMPONENTS,
};

typedef int (*mlx5_devcom_event_handler_t)(int event,
					   void *my_data,
					   void *event_data);

struct mlx5_devcom *mlx5_devcom_register_device(struct mlx5_core_dev *dev);
void mlx5_devcom_unregister_device(struct mlx5_devcom *devcom);

void mlx5_devcom_register_component(struct mlx5_devcom *devcom,
				    enum mlx5_devcom_components id,
				    mlx5_devcom_event_handler_t handler,
				    void *data);
void mlx5_devcom_unregister_component(struct mlx5_devcom *devcom,
				      enum mlx5_devcom_components id);

int mlx5_devcom_send_event(struct mlx5_devcom *devcom,
			   enum mlx5_devcom_components id,
			   int event, int rollback_event,
			   void *event_data);

void mlx5_devcom_comp_set_ready(struct mlx5_devcom *devcom,
				enum mlx5_devcom_components id,
				bool ready);
bool mlx5_devcom_comp_is_ready(struct mlx5_devcom *devcom,
			       enum mlx5_devcom_components id);

bool mlx5_devcom_for_each_peer_begin(struct mlx5_devcom *devcom,
				     enum mlx5_devcom_components id);
void mlx5_devcom_for_each_peer_end(struct mlx5_devcom *devcom,
				   enum mlx5_devcom_components id);
void *mlx5_devcom_get_next_peer_data(struct mlx5_devcom *devcom,
				     enum mlx5_devcom_components id, int *i);

#define mlx5_devcom_for_each_peer_entry(devcom, id, data, i)			\
	for (i = 0, data = mlx5_devcom_get_next_peer_data(devcom, id, &i);	\
	     data;								\
	     data = mlx5_devcom_get_next_peer_data(devcom, id, &i))

void *mlx5_devcom_get_next_peer_data_rcu(struct mlx5_devcom *devcom,
					 enum mlx5_devcom_components id, int *i);

#define mlx5_devcom_for_each_peer_entry_rcu(devcom, id, data, i)		\
	for (i = 0, data = mlx5_devcom_get_next_peer_data_rcu(devcom, id, &i);	\
	     data;								\
	     data = mlx5_devcom_get_next_peer_data_rcu(devcom, id, &i))

#endif