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
7struct xfs_mount;
8
9extern __printf(3, 4)
10void 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
45extern __printf(3, 4)
46void _xfs_alert_tag(const struct xfs_mount *mp, uint32_t tag,
47		const char *fmt, ...);
48
49#define xfs_printk_ratelimited(func, dev, fmt, ...)			\
50do {									\
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, ...)				\
79do {									\
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
91void assfail(struct xfs_mount *mp, char *expr, char *f, int l);
92void asswarn(struct xfs_mount *mp, char *expr, char *f, int l);
93
94extern void xfs_hex_dump(const void *p, int length);
95
96void xfs_buf_alert_ratelimited(struct xfs_buf *bp, const char *rlmsg,
97			       const char *fmt, ...);
98
99#endif	/* __XFS_MESSAGE_H */
100