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#include <inttypes.h>
#include <stdlib.h>
/* 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.
*
*/
#include <linux/types.h>
#include <linux/ioctl.h>
/**
* struct logger_entry - defines a single entry that is given to a logger
* @len: The length of the payload
* @__pad: Two bytes of padding that appear to be required
* @pid: The generating process' process ID
* @tid: The generating process' thread ID
* @sec: The number of seconds that have elapsed since the Epoch
* @nsec: The number of nanoseconds that have elapsed since @sec
* @msg: The message that is to be logged
*/
struct logger_entry {
__u16 len;
__u16 __pad;
__s32 pid;
__s32 tid;
__s32 sec;
__s32 nsec;
char msg[0];
};
#define LOGGER_LOG_RADIO "log_radio" /* radio-related messages */
#define LOGGER_LOG_EVENTS "log_events" /* system/hardware events */
#define LOGGER_LOG_SYSTEM "log_system" /* system/framework messages */
#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 */
#include "shm.h"
#include "utils.h"
#include "ioctls.h"
static const struct ioctl logger_ioctls[] = {
IOCTL(LOGGER_GET_LOG_BUF_SIZE),
IOCTL(LOGGER_GET_LOG_LEN),
IOCTL(LOGGER_GET_NEXT_ENTRY_LEN),
IOCTL(LOGGER_FLUSH_LOG),
};
static const char *const logger_miscdevs[] = {
LOGGER_LOG_RADIO,
LOGGER_LOG_EVENTS,
LOGGER_LOG_SYSTEM,
LOGGER_LOG_MAIN,
};
static const struct ioctl_group logger_grp = {
.devtype = DEV_MISC,
.devs = logger_miscdevs,
.devs_cnt = ARRAY_SIZE(logger_miscdevs),
.sanitise = pick_random_ioctl,
.ioctls = logger_ioctls,
.ioctls_cnt = ARRAY_SIZE(logger_ioctls),
};
REG_IOCTL_GROUP(logger_grp)
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