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
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