[mirror_ubuntu-hirsute-kernel.git] / drivers / staging / android / logger.h

/* include/linux/logger.h
 *
 * Copyright (C) 2007-2008 Google, Inc.
 * Author: Robert Love <rlove@android.com>
 *
 * This software is licensed under the terms of the GNU General Public
 * License version 2, as published by the Free Software Foundation, and
 * may be copied, distributed, and modified under those terms.
 *
 * 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 _LINUX_LOGGER_H
#define _LINUX_LOGGER_H

#include <linux/types.h>
#include <linux/ioctl.h>

struct logger_entry {
	__u16		len;	/* length of the payload */
	__u16		__pad;	/* no matter what, we get 2 bytes of padding */
	__s32		pid;	/* generating process's pid */
	__s32		tid;	/* generating process's tid */
	__s32		sec;	/* seconds since Epoch */
	__s32		nsec;	/* nanoseconds */
	char		msg[0];	/* the entry's payload */
};

#define LOGGER_LOG_RADIO	"log_radio"	/* radio-related messages */
#define LOGGER_LOG_EVENTS	"log_events"	/* system/hardware events */
#define LOGGER_LOG_MAIN		"log_main"	/* everything else */

#define LOGGER_ENTRY_MAX_LEN		(4*1024)
#define LOGGER_ENTRY_MAX_PAYLOAD	\
	(LOGGER_ENTRY_MAX_LEN - sizeof(struct logger_entry))

#define __LOGGERIO	0xAE

#define LOGGER_GET_LOG_BUF_SIZE		_IO(__LOGGERIO, 1) /* size of log */
#define LOGGER_GET_LOG_LEN		_IO(__LOGGERIO, 2) /* used log len */
#define LOGGER_GET_NEXT_ENTRY_LEN	_IO(__LOGGERIO, 3) /* next entry len */
#define LOGGER_FLUSH_LOG		_IO(__LOGGERIO, 4) /* flush log */

#endif /* _LINUX_LOGGER_H */
Commit	Line	Data
875f194c RL	1	/* include/linux/logger.h
	2	*
	3	* Copyright (C) 2007-2008 Google, Inc.
	4	* Author: Robert Love <rlove@android.com>
	5	*
	6	* This software is licensed under the terms of the GNU General Public
	7	* License version 2, as published by the Free Software Foundation, and
	8	* may be copied, distributed, and modified under those terms.
	9	*
	10	* This program is distributed in the hope that it will be useful,
	11	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	12	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	13	* GNU General Public License for more details.
	14	*
	15	*/
	16
	17	#ifndef _LINUX_LOGGER_H
	18	#define _LINUX_LOGGER_H
	19
	20	#include <linux/types.h>
	21	#include <linux/ioctl.h>
	22
	23	struct logger_entry {
	24	__u16 len; /* length of the payload */
	25	__u16 __pad; /* no matter what, we get 2 bytes of padding */
	26	__s32 pid; /* generating process's pid */
	27	__s32 tid; /* generating process's tid */
	28	__s32 sec; /* seconds since Epoch */
	29	__s32 nsec; /* nanoseconds */
	30	char msg[0]; /* the entry's payload */
	31	};
	32
	33	#define LOGGER_LOG_RADIO "log_radio" /* radio-related messages */
	34	#define LOGGER_LOG_EVENTS "log_events" /* system/hardware events */
	35	#define LOGGER_LOG_MAIN "log_main" /* everything else */
	36
	37	#define LOGGER_ENTRY_MAX_LEN (4*1024)
	38	#define LOGGER_ENTRY_MAX_PAYLOAD \
	39	(LOGGER_ENTRY_MAX_LEN - sizeof(struct logger_entry))
	40
	41	#define __LOGGERIO 0xAE
	42
	43	#define LOGGER_GET_LOG_BUF_SIZE _IO(__LOGGERIO, 1) /* size of log */
	44	#define LOGGER_GET_LOG_LEN _IO(__LOGGERIO, 2) /* used log len */
	45	#define LOGGER_GET_NEXT_ENTRY_LEN _IO(__LOGGERIO, 3) /* next entry len */
	46	#define LOGGER_FLUSH_LOG _IO(__LOGGERIO, 4) /* flush log */
	47
	48	#endif /* _LINUX_LOGGER_H */