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(3, 4)
10 void xfs_printk_level(const char *kern_level, const struct xfs_mount *mp,
11 			const char *fmt, ...);
12 
13 #define xfs_printk_index_wrap(kern_level, mp, fmt, ...)		\
14 ({								\
15 	printk_index_subsys_emit("%sXFS%s: ", kern_level, fmt);	\
16 	xfs_printk_level(kern_level, mp, fmt, ##__VA_ARGS__);	\
17 })
18 #define xfs_emerg(mp, fmt, ...) \
19 	xfs_printk_index_wrap(KERN_EMERG, mp, fmt, ##__VA_ARGS__)
20 #define xfs_alert(mp, fmt, ...) \
21 	xfs_printk_index_wrap(KERN_ALERT, mp, fmt, ##__VA_ARGS__)
22 #define xfs_crit(mp, fmt, ...) \
23 	xfs_printk_index_wrap(KERN_CRIT, mp, fmt, ##__VA_ARGS__)
24 #define xfs_err(mp, fmt, ...) \
25 	xfs_printk_index_wrap(KERN_ERR, mp, fmt, ##__VA_ARGS__)
26 #define xfs_warn(mp, fmt, ...) \
27 	xfs_printk_index_wrap(KERN_WARNING, mp, fmt, ##__VA_ARGS__)
28 #define xfs_notice(mp, fmt, ...) \
29 	xfs_printk_index_wrap(KERN_NOTICE, mp, fmt, ##__VA_ARGS__)
30 #define xfs_info(mp, fmt, ...) \
31 	xfs_printk_index_wrap(KERN_INFO, mp, fmt, ##__VA_ARGS__)
32 #ifdef DEBUG
33 #define xfs_debug(mp, fmt, ...) \
34 	xfs_printk_index_wrap(KERN_DEBUG, mp, fmt, ##__VA_ARGS__)
35 #else
36 #define xfs_debug(mp, fmt, ...) do {} while (0)
37 #endif
38 
39 #define xfs_alert_tag(mp, tag, fmt, ...)			\
40 ({								\
41 	printk_index_subsys_emit("%sXFS%s: ", KERN_ALERT, fmt);	\
42 	_xfs_alert_tag(mp, tag, fmt, ##__VA_ARGS__);		\
43 })
44 
45 extern __printf(3, 4)
46 void _xfs_alert_tag(const struct xfs_mount *mp, uint32_t tag,
47 		const char *fmt, ...);
48 
49 #define xfs_printk_ratelimited(func, dev, fmt, ...)			\
50 do {									\
51 	static DEFINE_RATELIMIT_STATE(_rs,				\
52 				      DEFAULT_RATELIMIT_INTERVAL,	\
53 				      DEFAULT_RATELIMIT_BURST);		\
54 	if (__ratelimit(&_rs))						\
55 		func(dev, fmt, ##__VA_ARGS__);				\
56 } while (0)
57 
58 #define xfs_printk_once(func, dev, fmt, ...)			\
59 	DO_ONCE_LITE(func, dev, fmt, ##__VA_ARGS__)
60 
61 #define xfs_emerg_ratelimited(dev, fmt, ...)				\
62 	xfs_printk_ratelimited(xfs_emerg, dev, fmt, ##__VA_ARGS__)
63 #define xfs_alert_ratelimited(dev, fmt, ...)				\
64 	xfs_printk_ratelimited(xfs_alert, dev, fmt, ##__VA_ARGS__)
65 #define xfs_crit_ratelimited(dev, fmt, ...)				\
66 	xfs_printk_ratelimited(xfs_crit, dev, fmt, ##__VA_ARGS__)
67 #define xfs_err_ratelimited(dev, fmt, ...)				\
68 	xfs_printk_ratelimited(xfs_err, dev, fmt, ##__VA_ARGS__)
69 #define xfs_warn_ratelimited(dev, fmt, ...)				\
70 	xfs_printk_ratelimited(xfs_warn, dev, fmt, ##__VA_ARGS__)
71 #define xfs_notice_ratelimited(dev, fmt, ...)				\
72 	xfs_printk_ratelimited(xfs_notice, dev, fmt, ##__VA_ARGS__)
73 #define xfs_info_ratelimited(dev, fmt, ...)				\
74 	xfs_printk_ratelimited(xfs_info, dev, fmt, ##__VA_ARGS__)
75 #define xfs_debug_ratelimited(dev, fmt, ...)				\
76 	xfs_printk_ratelimited(xfs_debug, dev, fmt, ##__VA_ARGS__)
77 
78 #define xfs_warn_mount(mp, warntag, fmt, ...)				\
79 do {									\
80 	if (xfs_should_warn((mp), (warntag)))				\
81 		xfs_warn((mp), (fmt), ##__VA_ARGS__);			\
82 } while (0)
83 
84 #define xfs_warn_once(dev, fmt, ...)				\
85 	xfs_printk_once(xfs_warn, dev, fmt, ##__VA_ARGS__)
86 #define xfs_notice_once(dev, fmt, ...)				\
87 	xfs_printk_once(xfs_notice, dev, fmt, ##__VA_ARGS__)
88 #define xfs_info_once(dev, fmt, ...)				\
89 	xfs_printk_once(xfs_info, dev, fmt, ##__VA_ARGS__)
90 
91 void assfail(struct xfs_mount *mp, char *expr, char *f, int l);
92 void asswarn(struct xfs_mount *mp, char *expr, char *f, int l);
93 
94 extern void xfs_hex_dump(const void *p, int length);
95 
96 void xfs_buf_alert_ratelimited(struct xfs_buf *bp, const char *rlmsg,
97 			       const char *fmt, ...);
98 
99 #endif	/* __XFS_MESSAGE_H */
100