875f194c48
Signed-off-by: Robert Love <rlove@google.com> Signed-off-by: Brian Swetland <swetland@google.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
49 lines
1.6 KiB
C
49 lines
1.6 KiB
C
/* include/linux/logger.h
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*
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* Copyright (C) 2007-2008 Google, Inc.
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* Author: Robert Love <rlove@android.com>
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*
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* This software is licensed under the terms of the GNU General Public
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* License version 2, as published by the Free Software Foundation, and
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* may be copied, distributed, and modified under those terms.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*/
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#ifndef _LINUX_LOGGER_H
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#define _LINUX_LOGGER_H
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#include <linux/types.h>
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#include <linux/ioctl.h>
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struct logger_entry {
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__u16 len; /* length of the payload */
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__u16 __pad; /* no matter what, we get 2 bytes of padding */
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__s32 pid; /* generating process's pid */
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__s32 tid; /* generating process's tid */
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__s32 sec; /* seconds since Epoch */
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__s32 nsec; /* nanoseconds */
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char msg[0]; /* the entry's payload */
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};
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#define LOGGER_LOG_RADIO "log_radio" /* radio-related messages */
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#define LOGGER_LOG_EVENTS "log_events" /* system/hardware events */
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#define LOGGER_LOG_MAIN "log_main" /* everything else */
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#define LOGGER_ENTRY_MAX_LEN (4*1024)
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#define LOGGER_ENTRY_MAX_PAYLOAD \
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(LOGGER_ENTRY_MAX_LEN - sizeof(struct logger_entry))
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#define __LOGGERIO 0xAE
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#define LOGGER_GET_LOG_BUF_SIZE _IO(__LOGGERIO, 1) /* size of log */
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#define LOGGER_GET_LOG_LEN _IO(__LOGGERIO, 2) /* used log len */
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#define LOGGER_GET_NEXT_ENTRY_LEN _IO(__LOGGERIO, 3) /* next entry len */
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#define LOGGER_FLUSH_LOG _IO(__LOGGERIO, 4) /* flush log */
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#endif /* _LINUX_LOGGER_H */
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