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1/*
2 * Copyright (c) 2000-2002,2005 Silicon Graphics, Inc.
3 * All Rights Reserved.
4 *
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License as
7 * published by the Free Software Foundation.
8 *
9 * This program is distributed in the hope that it would be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write the Free Software Foundation,
16 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
17 */
18#ifndef __XFS_ERROR_H__
19#define __XFS_ERROR_H__
20
21#ifdef DEBUG
22#define XFS_ERROR_NTRAP 10
23extern int xfs_etrap[XFS_ERROR_NTRAP];
24extern int xfs_error_trap(int);
25#define XFS_ERROR(e) xfs_error_trap(e)
26#else
27#define XFS_ERROR(e) (e)
28#endif
29
30struct xfs_mount;
31
32extern void xfs_error_report(const char *tag, int level, struct xfs_mount *mp,
33 const char *filename, int linenum, inst_t *ra);
34extern void xfs_corruption_error(const char *tag, int level,
35 struct xfs_mount *mp, void *p, const char *filename,
36 int linenum, inst_t *ra);
37
38#define XFS_ERROR_REPORT(e, lvl, mp) \
39 xfs_error_report(e, lvl, mp, __FILE__, __LINE__, __return_address)
40#define XFS_CORRUPTION_ERROR(e, lvl, mp, mem) \
41 xfs_corruption_error(e, lvl, mp, mem, \
42 __FILE__, __LINE__, __return_address)
43
44#define XFS_ERRLEVEL_OFF 0
45#define XFS_ERRLEVEL_LOW 1
46#define XFS_ERRLEVEL_HIGH 5
47
48/*
49 * Macros to set EFSCORRUPTED & return/branch.
50 */
51#define XFS_WANT_CORRUPTED_GOTO(x,l) \
52 { \
53 int fs_is_ok = (x); \
54 ASSERT(fs_is_ok); \
55 if (unlikely(!fs_is_ok)) { \
56 XFS_ERROR_REPORT("XFS_WANT_CORRUPTED_GOTO", \
57 XFS_ERRLEVEL_LOW, NULL); \
58 error = XFS_ERROR(EFSCORRUPTED); \
59 goto l; \
60 } \
61 }
62
63#define XFS_WANT_CORRUPTED_RETURN(x) \
64 { \
65 int fs_is_ok = (x); \
66 ASSERT(fs_is_ok); \
67 if (unlikely(!fs_is_ok)) { \
68 XFS_ERROR_REPORT("XFS_WANT_CORRUPTED_RETURN", \
69 XFS_ERRLEVEL_LOW, NULL); \
70 return XFS_ERROR(EFSCORRUPTED); \
71 } \
72 }
73
74/*
75 * error injection tags - the labels can be anything you want
76 * but each tag should have its own unique number
77 */
78
79#define XFS_ERRTAG_NOERROR 0
80#define XFS_ERRTAG_IFLUSH_1 1
81#define XFS_ERRTAG_IFLUSH_2 2
82#define XFS_ERRTAG_IFLUSH_3 3
83#define XFS_ERRTAG_IFLUSH_4 4
84#define XFS_ERRTAG_IFLUSH_5 5
85#define XFS_ERRTAG_IFLUSH_6 6
86#define XFS_ERRTAG_DA_READ_BUF 7
87#define XFS_ERRTAG_BTREE_CHECK_LBLOCK 8
88#define XFS_ERRTAG_BTREE_CHECK_SBLOCK 9
89#define XFS_ERRTAG_ALLOC_READ_AGF 10
90#define XFS_ERRTAG_IALLOC_READ_AGI 11
91#define XFS_ERRTAG_ITOBP_INOTOBP 12
92#define XFS_ERRTAG_IUNLINK 13
93#define XFS_ERRTAG_IUNLINK_REMOVE 14
94#define XFS_ERRTAG_DIR_INO_VALIDATE 15
95#define XFS_ERRTAG_BULKSTAT_READ_CHUNK 16
96#define XFS_ERRTAG_IODONE_IOERR 17
97#define XFS_ERRTAG_STRATREAD_IOERR 18
98#define XFS_ERRTAG_STRATCMPL_IOERR 19
99#define XFS_ERRTAG_DIOWRITE_IOERR 20
100#define XFS_ERRTAG_BMAPIFORMAT 21
101#define XFS_ERRTAG_MAX 22
102
103/*
104 * Random factors for above tags, 1 means always, 2 means 1/2 time, etc.
105 */
106#define XFS_RANDOM_DEFAULT 100
107#define XFS_RANDOM_IFLUSH_1 XFS_RANDOM_DEFAULT
108#define XFS_RANDOM_IFLUSH_2 XFS_RANDOM_DEFAULT
109#define XFS_RANDOM_IFLUSH_3 XFS_RANDOM_DEFAULT
110#define XFS_RANDOM_IFLUSH_4 XFS_RANDOM_DEFAULT
111#define XFS_RANDOM_IFLUSH_5 XFS_RANDOM_DEFAULT
112#define XFS_RANDOM_IFLUSH_6 XFS_RANDOM_DEFAULT
113#define XFS_RANDOM_DA_READ_BUF XFS_RANDOM_DEFAULT
114#define XFS_RANDOM_BTREE_CHECK_LBLOCK (XFS_RANDOM_DEFAULT/4)
115#define XFS_RANDOM_BTREE_CHECK_SBLOCK XFS_RANDOM_DEFAULT
116#define XFS_RANDOM_ALLOC_READ_AGF XFS_RANDOM_DEFAULT
117#define XFS_RANDOM_IALLOC_READ_AGI XFS_RANDOM_DEFAULT
118#define XFS_RANDOM_ITOBP_INOTOBP XFS_RANDOM_DEFAULT
119#define XFS_RANDOM_IUNLINK XFS_RANDOM_DEFAULT
120#define XFS_RANDOM_IUNLINK_REMOVE XFS_RANDOM_DEFAULT
121#define XFS_RANDOM_DIR_INO_VALIDATE XFS_RANDOM_DEFAULT
122#define XFS_RANDOM_BULKSTAT_READ_CHUNK XFS_RANDOM_DEFAULT
123#define XFS_RANDOM_IODONE_IOERR (XFS_RANDOM_DEFAULT/10)
124#define XFS_RANDOM_STRATREAD_IOERR (XFS_RANDOM_DEFAULT/10)
125#define XFS_RANDOM_STRATCMPL_IOERR (XFS_RANDOM_DEFAULT/10)
126#define XFS_RANDOM_DIOWRITE_IOERR (XFS_RANDOM_DEFAULT/10)
127#define XFS_RANDOM_BMAPIFORMAT XFS_RANDOM_DEFAULT
128
129#ifdef DEBUG
130extern int xfs_error_test_active;
131extern int xfs_error_test(int, int *, char *, int, char *, unsigned long);
132
133#define XFS_NUM_INJECT_ERROR 10
134#define XFS_TEST_ERROR(expr, mp, tag, rf) \
135 ((expr) || (xfs_error_test_active && \
136 xfs_error_test((tag), (mp)->m_fixedfsid, "expr", __LINE__, __FILE__, \
137 (rf))))
138
139extern int xfs_errortag_add(int error_tag, struct xfs_mount *mp);
140extern int xfs_errortag_clearall(struct xfs_mount *mp, int loud);
141#else
142#define XFS_TEST_ERROR(expr, mp, tag, rf) (expr)
143#define xfs_errortag_add(tag, mp) (ENOSYS)
144#define xfs_errortag_clearall(mp, loud) (ENOSYS)
145#endif /* DEBUG */
146
147/*
148 * XFS panic tags -- allow a call to xfs_alert_tag() be turned into
149 * a panic by setting xfs_panic_mask in a sysctl.
150 */
151#define XFS_NO_PTAG 0
152#define XFS_PTAG_IFLUSH 0x00000001
153#define XFS_PTAG_LOGRES 0x00000002
154#define XFS_PTAG_AILDELETE 0x00000004
155#define XFS_PTAG_ERROR_REPORT 0x00000008
156#define XFS_PTAG_SHUTDOWN_CORRUPT 0x00000010
157#define XFS_PTAG_SHUTDOWN_IOERROR 0x00000020
158#define XFS_PTAG_SHUTDOWN_LOGERROR 0x00000040
159#define XFS_PTAG_FSBLOCK_ZERO 0x00000080
160
161#endif /* __XFS_ERROR_H__ */
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, void *buf, size_t bufsize,
16 const char *filename, int linenum,
17 xfs_failaddr_t failaddr);
18extern void xfs_buf_verifier_error(struct xfs_buf *bp, int error,
19 const char *name, void *buf, size_t bufsz,
20 xfs_failaddr_t failaddr);
21extern void xfs_verifier_error(struct xfs_buf *bp, int error,
22 xfs_failaddr_t failaddr);
23extern void xfs_inode_verifier_error(struct xfs_inode *ip, int error,
24 const char *name, void *buf, size_t bufsz,
25 xfs_failaddr_t failaddr);
26
27#define XFS_ERROR_REPORT(e, lvl, mp) \
28 xfs_error_report(e, lvl, mp, __FILE__, __LINE__, __return_address)
29#define XFS_CORRUPTION_ERROR(e, lvl, mp, buf, bufsize) \
30 xfs_corruption_error(e, lvl, mp, buf, bufsize, \
31 __FILE__, __LINE__, __return_address)
32
33#define XFS_ERRLEVEL_OFF 0
34#define XFS_ERRLEVEL_LOW 1
35#define XFS_ERRLEVEL_HIGH 5
36
37/* Dump 128 bytes of any corrupt buffer */
38#define XFS_CORRUPTION_DUMP_LEN (128)
39
40/*
41 * Macros to set EFSCORRUPTED & return/branch.
42 */
43#define XFS_WANT_CORRUPTED_GOTO(mp, x, l) \
44 { \
45 int fs_is_ok = (x); \
46 ASSERT(fs_is_ok); \
47 if (unlikely(!fs_is_ok)) { \
48 XFS_ERROR_REPORT("XFS_WANT_CORRUPTED_GOTO", \
49 XFS_ERRLEVEL_LOW, mp); \
50 error = -EFSCORRUPTED; \
51 goto l; \
52 } \
53 }
54
55#define XFS_WANT_CORRUPTED_RETURN(mp, x) \
56 { \
57 int fs_is_ok = (x); \
58 ASSERT(fs_is_ok); \
59 if (unlikely(!fs_is_ok)) { \
60 XFS_ERROR_REPORT("XFS_WANT_CORRUPTED_RETURN", \
61 XFS_ERRLEVEL_LOW, mp); \
62 return -EFSCORRUPTED; \
63 } \
64 }
65
66#ifdef DEBUG
67extern int xfs_errortag_init(struct xfs_mount *mp);
68extern void xfs_errortag_del(struct xfs_mount *mp);
69extern bool xfs_errortag_test(struct xfs_mount *mp, const char *expression,
70 const char *file, int line, unsigned int error_tag);
71#define XFS_TEST_ERROR(expr, mp, tag) \
72 ((expr) || xfs_errortag_test((mp), #expr, __FILE__, __LINE__, (tag)))
73
74extern int xfs_errortag_get(struct xfs_mount *mp, unsigned int error_tag);
75extern int xfs_errortag_set(struct xfs_mount *mp, unsigned int error_tag,
76 unsigned int tag_value);
77extern int xfs_errortag_add(struct xfs_mount *mp, unsigned int error_tag);
78extern int xfs_errortag_clearall(struct xfs_mount *mp);
79#else
80#define xfs_errortag_init(mp) (0)
81#define xfs_errortag_del(mp)
82#define XFS_TEST_ERROR(expr, mp, tag) (expr)
83#define xfs_errortag_set(mp, tag, val) (ENOSYS)
84#define xfs_errortag_add(mp, tag) (ENOSYS)
85#define xfs_errortag_clearall(mp) (ENOSYS)
86#endif /* DEBUG */
87
88/*
89 * XFS panic tags -- allow a call to xfs_alert_tag() be turned into
90 * a panic by setting xfs_panic_mask in a sysctl.
91 */
92#define XFS_NO_PTAG 0
93#define XFS_PTAG_IFLUSH 0x00000001
94#define XFS_PTAG_LOGRES 0x00000002
95#define XFS_PTAG_AILDELETE 0x00000004
96#define XFS_PTAG_ERROR_REPORT 0x00000008
97#define XFS_PTAG_SHUTDOWN_CORRUPT 0x00000010
98#define XFS_PTAG_SHUTDOWN_IOERROR 0x00000020
99#define XFS_PTAG_SHUTDOWN_LOGERROR 0x00000040
100#define XFS_PTAG_FSBLOCK_ZERO 0x00000080
101#define XFS_PTAG_VERIFIER_ERROR 0x00000100
102
103#endif /* __XFS_ERROR_H__ */