sys/dev/drm/include/linux/printk.h

   1 /*
   2  * Copyright (c) 2015 François Tigeot
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice unmodified, this list of conditions, and the following
  10  *    disclaimer.
  11  * 2. Redistributions in binary form must reproduce the above copyright
  12  *    notice, this list of conditions and the following disclaimer in the
  13  *    documentation and/or other materials provided with the distribution.
  14  *
  15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  16  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  17  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  18  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  19  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  20  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  21  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  22  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  24  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  25  */
  26
  27 #ifndef _LINUX_PRINTK_H_
  28 #define _LINUX_PRINTK_H_
  29
  30 #include <linux/cache.h>
  31
  32 #include <sys/types.h>
  33 #include <sys/systm.h>
  34
  35 #define printk(X...)    kprintf(X)
  36
  37 #define KERN_CONT       ""
  38 #define KERN_EMERG      "<0>"
  39 #define KERN_ALERT      "<1>"
  40 #define KERN_CRIT       "<2>"
  41 #define KERN_ERR        "<3>"
  42 #define KERN_WARNING    "<4>"
  43 #define KERN_NOTICE     "<5>"
  44 #define KERN_INFO       "<6>"
  45 #define KERN_DEBUG      "<7>"
  46
  47 #ifndef pr_fmt
  48 #define pr_fmt(fmt) fmt
  49 #endif
  50
  51 #define pr_emerg(fmt, ...) \
  52         printk(KERN_EMERG pr_fmt(fmt), ##__VA_ARGS__)
  53 #define pr_alert(fmt, ...) \
  54         printk(KERN_ALERT pr_fmt(fmt), ##__VA_ARGS__)
  55 #define pr_crit(fmt, ...) \
  56         printk(KERN_CRIT pr_fmt(fmt), ##__VA_ARGS__)
  57 #define pr_err(fmt, ...) \
  58         printk(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__)
  59 #define pr_warning(fmt, ...) \
  60         printk(KERN_WARNING pr_fmt(fmt), ##__VA_ARGS__)
  61 #define pr_warn pr_warning
  62 #define pr_notice(fmt, ...) \
  63         printk(KERN_NOTICE pr_fmt(fmt), ##__VA_ARGS__)
  64 #define pr_info(fmt, ...) \
  65         printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__)
  66 #define pr_cont(fmt, ...) \
  67         printk(KERN_CONT fmt, ##__VA_ARGS__)
  68
  69 /* pr_devel() should produce zero code unless DEBUG is defined */
  70 #ifdef DEBUG
  71 #define pr_devel(fmt, ...) \
  72         printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__)
  73 #else
  74 #define pr_devel(fmt, ...) \
  75         ({ if (0) printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__); 0; })
  76 #endif
  77
  78 #define pr_debug(fmt, ...)      printk(KERN_DEBUG # fmt, ##__VA_ARGS__)
  79
  80 /*
  81  * Print a one-time message (analogous to WARN_ONCE() et al):
  82  */
  83 #define printk_once(x...)                       \
  84 ({                                              \
  85         static bool __print_once;               \
  86                                                 \
  87         if (!__print_once) {                    \
  88                 __print_once = true;            \
  89                 printk(x);                      \
  90         }                                       \
  91 })
  92
  93 #define pr_info_once(fmt, ...) do {             \
  94         static bool __printed_once;             \
  95                                                 \
  96         if (!__printed_once) {                  \
  97                 __printed_once = true;          \
  98                 kprintf(fmt, ##__VA_ARGS__);    \
  99         }                                       \
 100 } while (0)
 101
 102 enum {
 103         DUMP_PREFIX_NONE,
 104         DUMP_PREFIX_ADDRESS,
 105         DUMP_PREFIX_OFFSET
 106 };
 107
 108 #endif  /* _LINUX_PRINTK_H_ */