xref: /dragonfly/sys/dev/drm/include/linux/printk.h (revision 9348a738)
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_ */
109