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	""		/* 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