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Linux kernel mirror (for testing)
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linux
1// SPDX-License-Identifier: GPL-2.0
2/*
3 * Copyright (c) 2000-2002,2005 Silicon Graphics, Inc.
4 * All Rights Reserved.
5 */
6#ifndef __XFS_ERROR_H__
7#define __XFS_ERROR_H__
8
9struct xfs_mount;
10
11extern void xfs_error_report(const char *tag, int level, struct xfs_mount *mp,
12 const char *filename, int linenum,
13 xfs_failaddr_t failaddr);
14extern void xfs_corruption_error(const char *tag, int level,
15 struct xfs_mount *mp, const void *buf, size_t bufsize,
16 const char *filename, int linenum,
17 xfs_failaddr_t failaddr);
18void xfs_buf_corruption_error(struct xfs_buf *bp, xfs_failaddr_t fa);
19extern void xfs_buf_verifier_error(struct xfs_buf *bp, int error,
20 const char *name, const void *buf, size_t bufsz,
21 xfs_failaddr_t failaddr);
22extern void xfs_verifier_error(struct xfs_buf *bp, int error,
23 xfs_failaddr_t failaddr);
24extern void xfs_inode_verifier_error(struct xfs_inode *ip, int error,
25 const char *name, const void *buf, size_t bufsz,
26 xfs_failaddr_t failaddr);
27
28#define XFS_ERROR_REPORT(e, lvl, mp) \
29 xfs_error_report(e, lvl, mp, __FILE__, __LINE__, __return_address)
30#define XFS_CORRUPTION_ERROR(e, lvl, mp, buf, bufsize) \
31 xfs_corruption_error(e, lvl, mp, buf, bufsize, \
32 __FILE__, __LINE__, __return_address)
33
34#define XFS_ERRLEVEL_OFF 0
35#define XFS_ERRLEVEL_LOW 1
36#define XFS_ERRLEVEL_HIGH 5
37
38/* Dump 128 bytes of any corrupt buffer */
39#define XFS_CORRUPTION_DUMP_LEN (128)
40
41#ifdef DEBUG
42extern int xfs_errortag_init(struct xfs_mount *mp);
43extern void xfs_errortag_del(struct xfs_mount *mp);
44extern bool xfs_errortag_test(struct xfs_mount *mp, const char *expression,
45 const char *file, int line, unsigned int error_tag);
46#define XFS_TEST_ERROR(expr, mp, tag) \
47 ((expr) || xfs_errortag_test((mp), #expr, __FILE__, __LINE__, (tag)))
48
49extern int xfs_errortag_get(struct xfs_mount *mp, unsigned int error_tag);
50extern int xfs_errortag_set(struct xfs_mount *mp, unsigned int error_tag,
51 unsigned int tag_value);
52extern int xfs_errortag_add(struct xfs_mount *mp, unsigned int error_tag);
53extern int xfs_errortag_clearall(struct xfs_mount *mp);
54#else
55#define xfs_errortag_init(mp) (0)
56#define xfs_errortag_del(mp)
57#define XFS_TEST_ERROR(expr, mp, tag) (expr)
58#define xfs_errortag_set(mp, tag, val) (ENOSYS)
59#define xfs_errortag_add(mp, tag) (ENOSYS)
60#define xfs_errortag_clearall(mp) (ENOSYS)
61#endif /* DEBUG */
62
63/*
64 * XFS panic tags -- allow a call to xfs_alert_tag() be turned into
65 * a panic by setting xfs_panic_mask in a sysctl.
66 */
67#define XFS_NO_PTAG 0u
68#define XFS_PTAG_IFLUSH (1u << 0)
69#define XFS_PTAG_LOGRES (1u << 1)
70#define XFS_PTAG_AILDELETE (1u << 2)
71#define XFS_PTAG_ERROR_REPORT (1u << 3)
72#define XFS_PTAG_SHUTDOWN_CORRUPT (1u << 4)
73#define XFS_PTAG_SHUTDOWN_IOERROR (1u << 5)
74#define XFS_PTAG_SHUTDOWN_LOGERROR (1u << 6)
75#define XFS_PTAG_FSBLOCK_ZERO (1u << 7)
76#define XFS_PTAG_VERIFIER_ERROR (1u << 8)
77
78#define XFS_PTAG_STRINGS \
79 { XFS_NO_PTAG, "none" }, \
80 { XFS_PTAG_IFLUSH, "iflush" }, \
81 { XFS_PTAG_LOGRES, "logres" }, \
82 { XFS_PTAG_AILDELETE, "aildelete" }, \
83 { XFS_PTAG_ERROR_REPORT , "error_report" }, \
84 { XFS_PTAG_SHUTDOWN_CORRUPT, "corrupt" }, \
85 { XFS_PTAG_SHUTDOWN_IOERROR, "ioerror" }, \
86 { XFS_PTAG_SHUTDOWN_LOGERROR, "logerror" }, \
87 { XFS_PTAG_FSBLOCK_ZERO, "fsb_zero" }, \
88 { XFS_PTAG_VERIFIER_ERROR, "verifier" }
89
90#endif /* __XFS_ERROR_H__ */