mirror of
https://github.com/hardkernel/kernel_common_drivers.git
synced 2026-06-25 12:03:48 +09:00
Wanwei Jiang
43461aec82
PD#SWPL-145682 Problem: bring up kernel6.6 Solution: 1. porting kernel6.6 2. compatible with different kernel versions 3. bring up kernel6.6 Verify: sc2 c2 a4 a5 Test: None Change-Id: Ie22af0abc8ea96261e8a8cc7804b58565aedd904 Signed-off-by: Wanwei Jiang <wanwei.jiang@amlogic.com>
80 lines
2.4 KiB
C
80 lines
2.4 KiB
C
/* SPDX-License-Identifier: (GPL-2.0+ OR MIT) */
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/*
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* Copyright (c) 2019 Amlogic, Inc. All rights reserved.
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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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/**
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* struct user_logger_entry_compat - defines a single entry that is given
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* to a logger
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* @len: The length of the payload
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* @__pad: Two bytes of padding that appear to be required
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* @pid: The generating process' process ID
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* @tid: The generating process' thread ID
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* @sec: The number of seconds that have elapsed since the Epoch
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* @nsec: The number of nanoseconds that have elapsed since @sec
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* @msg: The message that is to be logged
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*
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* The userspace structure for version 1 of the logger_entry ABI.
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* This structure is returned to userspace unless the caller requests
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* an upgrade to a newer ABI version.
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*/
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struct user_logger_entry_compat {
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__u16 len;
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__u16 __pad;
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__s32 pid;
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__s32 tid;
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__s32 sec;
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__s32 nsec;
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char msg[];
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};
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/**
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* struct logger_entry - defines a single entry that is given to a logger
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* @len: The length of the payload
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* @hdr_size: sizeof(struct logger_entry_v2)
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* @pid: The generating process' process ID
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* @tid: The generating process' thread ID
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* @sec: The number of seconds that have elapsed since the Epoch
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* @nsec: The number of nanoseconds that have elapsed since @sec
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* @euid: Effective UID of logger
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* @msg: The message that is to be logged
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*
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* The structure for version 2 of the logger_entry ABI.
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* This structure is returned to userspace if ioctl(LOGGER_SET_VERSION)
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* is called with version >= 2
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*/
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struct logger_entry {
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__u16 len;
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__u16 hdr_size;
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__s32 pid;
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__s32 tid;
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__s32 sec;
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__s32 nsec;
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kuid_t euid;
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char msg[];
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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_SYSTEM "log_system" /* system/framework messages */
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#define LOGGER_LOG_MAIN "log_main" /* everything else */
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#define LOGGER_ENTRY_MAX_PAYLOAD 4076
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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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#define LOGGER_GET_VERSION _IO(__LOGGERIO, 5) /* abi version */
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#define LOGGER_SET_VERSION _IO(__LOGGERIO, 6) /* abi version */
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#endif /* _LINUX_LOGGER_H */
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