1/* SPDX-License-Identifier: GPL-2.0-or-later */ 2/* Syslog internals 3 * 4 * Copyright 2010 Canonical, Ltd. 5 * Author: Kees Cook <kees.cook@canonical.com> 6 */ 7 8#ifndef _LINUX_SYSLOG_H 9#define _LINUX_SYSLOG_H 10 11/* Close the log. Currently a NOP. */ 12#define SYSLOG_ACTION_CLOSE 0 13/* Open the log. Currently a NOP. */ 14#define SYSLOG_ACTION_OPEN 1 15/* Read from the log. */ 16#define SYSLOG_ACTION_READ 2 17/* Read all messages remaining in the ring buffer. */ 18#define SYSLOG_ACTION_READ_ALL 3 19/* Read and clear all messages remaining in the ring buffer */ 20#define SYSLOG_ACTION_READ_CLEAR 4 21/* Clear ring buffer. */ 22#define SYSLOG_ACTION_CLEAR 5 23/* Disable printk's to console */ 24#define SYSLOG_ACTION_CONSOLE_OFF 6 25/* Enable printk's to console */ 26#define SYSLOG_ACTION_CONSOLE_ON 7 27/* Set level of messages printed to console */ 28#define SYSLOG_ACTION_CONSOLE_LEVEL 8 29/* Return number of unread characters in the log buffer */ 30#define SYSLOG_ACTION_SIZE_UNREAD 9 31/* Return size of the log buffer */ 32#define SYSLOG_ACTION_SIZE_BUFFER 10 33 34#define SYSLOG_FROM_READER 0 35#define SYSLOG_FROM_PROC 1 36 37int do_syslog(int type, char __user *buf, int count, int source); 38 39#endif /* _LINUX_SYSLOG_H */ 40