/*****************************************************************************
 *
 * Copyright (c) 2012 - 2016 Samsung Electronics Co., Ltd. All rights reserved
 *
 ****************************************************************************/

#ifndef __SLSI_LOG_CLIENTS_H__
#define __SLSI_LOG_CLIENTS_H__

#include <linux/types.h>

struct slsi_dev;

struct slsi_log_client {
	struct list_head q;
	void             *log_client_ctx;
	int              (*log_client_cb)(struct slsi_log_client *, struct sk_buff *, int);
	int              min_signal_id;
	int              max_signal_id;
	char             *signal_filter;
};

struct slsi_log_clients {
	/* a std spinlock */
	spinlock_t       log_client_spinlock;
	struct list_head log_client_list;
};

#define SLSI_LOG_DIRECTION_FROM_HOST 0
#define SLSI_LOG_DIRECTION_TO_HOST   1

void slsi_log_clients_init(struct slsi_dev *sdev);
int slsi_log_client_register(struct slsi_dev *sdev, void *log_client_ctx,
			     int (*log_client_cb)(struct slsi_log_client *, struct sk_buff *, int),
			     char *filter, int min_signal_id, int max_signal_id);

void slsi_log_client_unregister(struct slsi_dev *sdev, void *log_client_ctx);
void slsi_log_client_msg(struct slsi_dev *sdev, u16 event, u32 event_data_length, const u8 *event_data);
void slsi_log_clients_log_signal_safe(struct slsi_dev *sdev, struct sk_buff *skb, u32 direction);
static inline void slsi_log_clients_log_signal_fast(struct slsi_dev *sdev, struct slsi_log_clients *log_clients, struct sk_buff *skb, u32 direction)
{
	/* list_empty() is unsafe but fast
	 * slsi_log_clients_log_signal_safe() will make sure all is good
	 */
	if (!list_empty(&log_clients->log_client_list))
		slsi_log_clients_log_signal_safe(sdev, skb, direction);
}

void slsi_log_clients_terminate(struct slsi_dev *sdev);

#endif /*__SLSI_LOG_CLIENTS_H__*/