1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __XFS_MESSAGE_H
3 #define __XFS_MESSAGE_H 1
4 
5 #include <linux/once_lite.h>
6 
7 struct xfs_mount;
8 
9 extern __printf(2, 3)
10 void xfs_emerg(const struct xfs_mount *mp, const char *fmt, ...);
11 extern __printf(2, 3)
12 void xfs_alert(const struct xfs_mount *mp, const char *fmt, ...);
13 extern __printf(3, 4)
14 void xfs_alert_tag(const struct xfs_mount *mp, int tag, const char *fmt, ...);
15 extern __printf(2, 3)
16 void xfs_crit(const struct xfs_mount *mp, const char *fmt, ...);
17 extern __printf(2, 3)
18 void xfs_err(const struct xfs_mount *mp, const char *fmt, ...);
19 extern __printf(2, 3)
20 void xfs_warn(const struct xfs_mount *mp, const char *fmt, ...);
21 extern __printf(2, 3)
22 void xfs_notice(const struct xfs_mount *mp, const char *fmt, ...);
23 extern __printf(2, 3)
24 void xfs_info(const struct xfs_mount *mp, const char *fmt, ...);
25 
26 #ifdef DEBUG
27 extern __printf(2, 3)
28 void xfs_debug(const struct xfs_mount *mp, const char *fmt, ...);
29 #else
30 static inline __printf(2, 3)
xfs_debug(const struct xfs_mount * mp,const char * fmt,...)31 void xfs_debug(const struct xfs_mount *mp, const char *fmt, ...)
32 {
33 }
34 #endif
35 
36 #define xfs_printk_ratelimited(func, dev, fmt, ...)			\
37 do {									\
38 	static DEFINE_RATELIMIT_STATE(_rs,				\
39 				      DEFAULT_RATELIMIT_INTERVAL,	\
40 				      DEFAULT_RATELIMIT_BURST);		\
41 	if (__ratelimit(&_rs))						\
42 		func(dev, fmt, ##__VA_ARGS__);				\
43 } while (0)
44 
45 #define xfs_printk_once(func, dev, fmt, ...)			\
46 	DO_ONCE_LITE(func, dev, fmt, ##__VA_ARGS__)
47 
48 #define xfs_emerg_ratelimited(dev, fmt, ...)				\
49 	xfs_printk_ratelimited(xfs_emerg, dev, fmt, ##__VA_ARGS__)
50 #define xfs_alert_ratelimited(dev, fmt, ...)				\
51 	xfs_printk_ratelimited(xfs_alert, dev, fmt, ##__VA_ARGS__)
52 #define xfs_crit_ratelimited(dev, fmt, ...)				\
53 	xfs_printk_ratelimited(xfs_crit, dev, fmt, ##__VA_ARGS__)
54 #define xfs_err_ratelimited(dev, fmt, ...)				\
55 	xfs_printk_ratelimited(xfs_err, dev, fmt, ##__VA_ARGS__)
56 #define xfs_warn_ratelimited(dev, fmt, ...)				\
57 	xfs_printk_ratelimited(xfs_warn, dev, fmt, ##__VA_ARGS__)
58 #define xfs_notice_ratelimited(dev, fmt, ...)				\
59 	xfs_printk_ratelimited(xfs_notice, dev, fmt, ##__VA_ARGS__)
60 #define xfs_info_ratelimited(dev, fmt, ...)				\
61 	xfs_printk_ratelimited(xfs_info, dev, fmt, ##__VA_ARGS__)
62 #define xfs_debug_ratelimited(dev, fmt, ...)				\
63 	xfs_printk_ratelimited(xfs_debug, dev, fmt, ##__VA_ARGS__)
64 
65 #define xfs_warn_once(dev, fmt, ...)				\
66 	xfs_printk_once(xfs_warn, dev, fmt, ##__VA_ARGS__)
67 #define xfs_notice_once(dev, fmt, ...)				\
68 	xfs_printk_once(xfs_notice, dev, fmt, ##__VA_ARGS__)
69 #define xfs_info_once(dev, fmt, ...)				\
70 	xfs_printk_once(xfs_info, dev, fmt, ##__VA_ARGS__)
71 
72 void assfail(struct xfs_mount *mp, char *expr, char *f, int l);
73 void asswarn(struct xfs_mount *mp, char *expr, char *f, int l);
74 
75 extern void xfs_hex_dump(const void *p, int length);
76 
77 void xfs_buf_alert_ratelimited(struct xfs_buf *bp, const char *rlmsg,
78 			       const char *fmt, ...);
79 
80 #endif	/* __XFS_MESSAGE_H */
81