xref: /openbmc/linux/include/linux/kern_levels.h (revision e36202a8)
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