1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef __KERN_LEVELS_H__
3#define __KERN_LEVELS_H__
4
5#define KERN_SOH "\001" /* ASCII Start Of Header */
6#define KERN_SOH_ASCII '\001'
7
8#define KERN_EMERG KERN_SOH "0" /* system is unusable */
9#define KERN_ALERT KERN_SOH "1" /* action must be taken immediately */
10#define KERN_CRIT KERN_SOH "2" /* critical conditions */
11#define KERN_ERR KERN_SOH "3" /* error conditions */
12#define KERN_WARNING KERN_SOH "4" /* warning conditions */
13#define KERN_NOTICE KERN_SOH "5" /* normal but significant condition */
14#define KERN_INFO KERN_SOH "6" /* informational */
15#define KERN_DEBUG KERN_SOH "7" /* debug-level messages */
16
17#define KERN_DEFAULT KERN_SOH "d" /* the default kernel loglevel */
18
19/*
20 * Annotation for a "continued" line of log printout (only done after a
21 * line that had no enclosing \n). Only to be used by core/arch code
22 * during early bootup (a continued line is not SMP-safe otherwise).
23 */
24#define KERN_CONT KERN_SOH "c"
25
26/* integer equivalents of KERN_<LEVEL> */
27#define LOGLEVEL_SCHED -2 /* Deferred messages from sched code
28 * are set to this special level */
29#define LOGLEVEL_DEFAULT -1 /* default (or last) loglevel */
30#define LOGLEVEL_EMERG 0 /* system is unusable */
31#define LOGLEVEL_ALERT 1 /* action must be taken immediately */
32#define LOGLEVEL_CRIT 2 /* critical conditions */
33#define LOGLEVEL_ERR 3 /* error conditions */
34#define LOGLEVEL_WARNING 4 /* warning conditions */
35#define LOGLEVEL_NOTICE 5 /* normal but significant condition */
36#define LOGLEVEL_INFO 6 /* informational */
37#define LOGLEVEL_DEBUG 7 /* debug-level messages */
38
39#endif
40