linux/include/linux/kern_levels.h
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   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