include/linux/kern_levels.h

   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