android_kernel_samsung_hero.../drivers/usb/gadget/debug.h
2016-08-17 16:41:52 +08:00

51 lines
1.5 KiB
C

/*
* Copyright (c) 2015, The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
*/
#ifndef __DEBUG_H_
#define __DEBUG_H_
#define DBG_MAX_MSG 512UL
#define DBG_MSG_LEN 160UL
#define TIME_BUF_LEN 17
#define DBG_EVENT_LEN 143
extern unsigned int enable_event_log;
extern void put_timestamp(char *tbuf);
extern void add_event_to_buf(char *tbuf);
extern int debug_debugfs_init(void);
extern void debug_debugfs_exit(void);
#define LOGLEVEL_NONE 8
#define LOGLEVEL_DEBUG 7
#define LOGLEVEL_ERR 3
#define log_event(log_level, x...) \
do { \
char buf[160]; \
if (log_level == LOGLEVEL_DEBUG) \
pr_debug(x); \
else if (log_level == LOGLEVEL_ERR) \
pr_err(x); \
if (enable_event_log) { \
put_timestamp(buf); \
snprintf(&buf[TIME_BUF_LEN - 1], DBG_EVENT_LEN, x); \
add_event_to_buf(buf); \
} \
} while (0)
#define log_event_none(x, ...) log_event(LOGLEVEL_NONE, x, ##__VA_ARGS__)
#define log_event_dbg(x, ...) log_event(LOGLEVEL_DEBUG, x, ##__VA_ARGS__)
#define log_event_err(x, ...) log_event(LOGLEVEL_ERR, x, ##__VA_ARGS__)
#endif /* __DEBUG_H_ */