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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
21struct xfs_mount;
22
23extern void xfs_error_report(const char *tag, int level, struct xfs_mount *mp,
24 const char *filename, int linenum,
25 xfs_failaddr_t failaddr);
26extern void xfs_corruption_error(const char *tag, int level,
27 struct xfs_mount *mp, void *p, const char *filename,
28 int linenum, xfs_failaddr_t failaddr);
29extern void xfs_buf_verifier_error(struct xfs_buf *bp, int error,
30 const char *name, void *buf, size_t bufsz,
31 xfs_failaddr_t failaddr);
32extern void xfs_verifier_error(struct xfs_buf *bp, int error,
33 xfs_failaddr_t failaddr);
34extern void xfs_inode_verifier_error(struct xfs_inode *ip, int error,
35 const char *name, void *buf, size_t bufsz,
36 xfs_failaddr_t failaddr);
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/* Dump 128 bytes of any corrupt buffer */
49#define XFS_CORRUPTION_DUMP_LEN (128)
50
51/*
52 * Macros to set EFSCORRUPTED & return/branch.
53 */
54#define XFS_WANT_CORRUPTED_GOTO(mp, x, l) \
55 { \
56 int fs_is_ok = (x); \
57 ASSERT(fs_is_ok); \
58 if (unlikely(!fs_is_ok)) { \
59 XFS_ERROR_REPORT("XFS_WANT_CORRUPTED_GOTO", \
60 XFS_ERRLEVEL_LOW, mp); \
61 error = -EFSCORRUPTED; \
62 goto l; \
63 } \
64 }
65
66#define XFS_WANT_CORRUPTED_RETURN(mp, x) \
67 { \
68 int fs_is_ok = (x); \
69 ASSERT(fs_is_ok); \
70 if (unlikely(!fs_is_ok)) { \
71 XFS_ERROR_REPORT("XFS_WANT_CORRUPTED_RETURN", \
72 XFS_ERRLEVEL_LOW, mp); \
73 return -EFSCORRUPTED; \
74 } \
75 }
76
77#ifdef DEBUG
78extern int xfs_errortag_init(struct xfs_mount *mp);
79extern void xfs_errortag_del(struct xfs_mount *mp);
80extern bool xfs_errortag_test(struct xfs_mount *mp, const char *expression,
81 const char *file, int line, unsigned int error_tag);
82#define XFS_TEST_ERROR(expr, mp, tag) \
83 ((expr) || xfs_errortag_test((mp), #expr, __FILE__, __LINE__, (tag)))
84
85extern int xfs_errortag_get(struct xfs_mount *mp, unsigned int error_tag);
86extern int xfs_errortag_set(struct xfs_mount *mp, unsigned int error_tag,
87 unsigned int tag_value);
88extern int xfs_errortag_add(struct xfs_mount *mp, unsigned int error_tag);
89extern int xfs_errortag_clearall(struct xfs_mount *mp);
90#else
91#define xfs_errortag_init(mp) (0)
92#define xfs_errortag_del(mp)
93#define XFS_TEST_ERROR(expr, mp, tag) (expr)
94#define xfs_errortag_set(mp, tag, val) (ENOSYS)
95#define xfs_errortag_add(mp, tag) (ENOSYS)
96#define xfs_errortag_clearall(mp) (ENOSYS)
97#endif /* DEBUG */
98
99/*
100 * XFS panic tags -- allow a call to xfs_alert_tag() be turned into
101 * a panic by setting xfs_panic_mask in a sysctl.
102 */
103#define XFS_NO_PTAG 0
104#define XFS_PTAG_IFLUSH 0x00000001
105#define XFS_PTAG_LOGRES 0x00000002
106#define XFS_PTAG_AILDELETE 0x00000004
107#define XFS_PTAG_ERROR_REPORT 0x00000008
108#define XFS_PTAG_SHUTDOWN_CORRUPT 0x00000010
109#define XFS_PTAG_SHUTDOWN_IOERROR 0x00000020
110#define XFS_PTAG_SHUTDOWN_LOGERROR 0x00000040
111#define XFS_PTAG_FSBLOCK_ZERO 0x00000080
112
113#endif /* __XFS_ERROR_H__ */
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
21struct xfs_mount;
22
23extern void xfs_error_report(const char *tag, int level, struct xfs_mount *mp,
24 const char *filename, int linenum, void *ra);
25extern void xfs_corruption_error(const char *tag, int level,
26 struct xfs_mount *mp, void *p, const char *filename,
27 int linenum, void *ra);
28extern void xfs_verifier_error(struct xfs_buf *bp);
29
30#define XFS_ERROR_REPORT(e, lvl, mp) \
31 xfs_error_report(e, lvl, mp, __FILE__, __LINE__, __return_address)
32#define XFS_CORRUPTION_ERROR(e, lvl, mp, mem) \
33 xfs_corruption_error(e, lvl, mp, mem, \
34 __FILE__, __LINE__, __return_address)
35
36#define XFS_ERRLEVEL_OFF 0
37#define XFS_ERRLEVEL_LOW 1
38#define XFS_ERRLEVEL_HIGH 5
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/*
67 * error injection tags - the labels can be anything you want
68 * but each tag should have its own unique number
69 */
70
71#define XFS_ERRTAG_NOERROR 0
72#define XFS_ERRTAG_IFLUSH_1 1
73#define XFS_ERRTAG_IFLUSH_2 2
74#define XFS_ERRTAG_IFLUSH_3 3
75#define XFS_ERRTAG_IFLUSH_4 4
76#define XFS_ERRTAG_IFLUSH_5 5
77#define XFS_ERRTAG_IFLUSH_6 6
78#define XFS_ERRTAG_DA_READ_BUF 7
79#define XFS_ERRTAG_BTREE_CHECK_LBLOCK 8
80#define XFS_ERRTAG_BTREE_CHECK_SBLOCK 9
81#define XFS_ERRTAG_ALLOC_READ_AGF 10
82#define XFS_ERRTAG_IALLOC_READ_AGI 11
83#define XFS_ERRTAG_ITOBP_INOTOBP 12
84#define XFS_ERRTAG_IUNLINK 13
85#define XFS_ERRTAG_IUNLINK_REMOVE 14
86#define XFS_ERRTAG_DIR_INO_VALIDATE 15
87#define XFS_ERRTAG_BULKSTAT_READ_CHUNK 16
88#define XFS_ERRTAG_IODONE_IOERR 17
89#define XFS_ERRTAG_STRATREAD_IOERR 18
90#define XFS_ERRTAG_STRATCMPL_IOERR 19
91#define XFS_ERRTAG_DIOWRITE_IOERR 20
92#define XFS_ERRTAG_BMAPIFORMAT 21
93#define XFS_ERRTAG_FREE_EXTENT 22
94#define XFS_ERRTAG_RMAP_FINISH_ONE 23
95#define XFS_ERRTAG_REFCOUNT_CONTINUE_UPDATE 24
96#define XFS_ERRTAG_REFCOUNT_FINISH_ONE 25
97#define XFS_ERRTAG_BMAP_FINISH_ONE 26
98#define XFS_ERRTAG_AG_RESV_CRITICAL 27
99#define XFS_ERRTAG_MAX 28
100
101/*
102 * Random factors for above tags, 1 means always, 2 means 1/2 time, etc.
103 */
104#define XFS_RANDOM_DEFAULT 100
105#define XFS_RANDOM_IFLUSH_1 XFS_RANDOM_DEFAULT
106#define XFS_RANDOM_IFLUSH_2 XFS_RANDOM_DEFAULT
107#define XFS_RANDOM_IFLUSH_3 XFS_RANDOM_DEFAULT
108#define XFS_RANDOM_IFLUSH_4 XFS_RANDOM_DEFAULT
109#define XFS_RANDOM_IFLUSH_5 XFS_RANDOM_DEFAULT
110#define XFS_RANDOM_IFLUSH_6 XFS_RANDOM_DEFAULT
111#define XFS_RANDOM_DA_READ_BUF XFS_RANDOM_DEFAULT
112#define XFS_RANDOM_BTREE_CHECK_LBLOCK (XFS_RANDOM_DEFAULT/4)
113#define XFS_RANDOM_BTREE_CHECK_SBLOCK XFS_RANDOM_DEFAULT
114#define XFS_RANDOM_ALLOC_READ_AGF XFS_RANDOM_DEFAULT
115#define XFS_RANDOM_IALLOC_READ_AGI XFS_RANDOM_DEFAULT
116#define XFS_RANDOM_ITOBP_INOTOBP XFS_RANDOM_DEFAULT
117#define XFS_RANDOM_IUNLINK XFS_RANDOM_DEFAULT
118#define XFS_RANDOM_IUNLINK_REMOVE XFS_RANDOM_DEFAULT
119#define XFS_RANDOM_DIR_INO_VALIDATE XFS_RANDOM_DEFAULT
120#define XFS_RANDOM_BULKSTAT_READ_CHUNK XFS_RANDOM_DEFAULT
121#define XFS_RANDOM_IODONE_IOERR (XFS_RANDOM_DEFAULT/10)
122#define XFS_RANDOM_STRATREAD_IOERR (XFS_RANDOM_DEFAULT/10)
123#define XFS_RANDOM_STRATCMPL_IOERR (XFS_RANDOM_DEFAULT/10)
124#define XFS_RANDOM_DIOWRITE_IOERR (XFS_RANDOM_DEFAULT/10)
125#define XFS_RANDOM_BMAPIFORMAT XFS_RANDOM_DEFAULT
126#define XFS_RANDOM_FREE_EXTENT 1
127#define XFS_RANDOM_RMAP_FINISH_ONE 1
128#define XFS_RANDOM_REFCOUNT_CONTINUE_UPDATE 1
129#define XFS_RANDOM_REFCOUNT_FINISH_ONE 1
130#define XFS_RANDOM_BMAP_FINISH_ONE 1
131#define XFS_RANDOM_AG_RESV_CRITICAL 4
132
133#ifdef DEBUG
134extern int xfs_error_test_active;
135extern int xfs_error_test(int, int *, char *, int, char *, unsigned long);
136
137#define XFS_NUM_INJECT_ERROR 10
138#define XFS_TEST_ERROR(expr, mp, tag, rf) \
139 ((expr) || (xfs_error_test_active && \
140 xfs_error_test((tag), (mp)->m_fixedfsid, "expr", __LINE__, __FILE__, \
141 (rf))))
142
143extern int xfs_errortag_add(unsigned int error_tag, struct xfs_mount *mp);
144extern int xfs_errortag_clearall(struct xfs_mount *mp, int loud);
145#else
146#define XFS_TEST_ERROR(expr, mp, tag, rf) (expr)
147#define xfs_errortag_add(tag, mp) (ENOSYS)
148#define xfs_errortag_clearall(mp, loud) (ENOSYS)
149#endif /* DEBUG */
150
151/*
152 * XFS panic tags -- allow a call to xfs_alert_tag() be turned into
153 * a panic by setting xfs_panic_mask in a sysctl.
154 */
155#define XFS_NO_PTAG 0
156#define XFS_PTAG_IFLUSH 0x00000001
157#define XFS_PTAG_LOGRES 0x00000002
158#define XFS_PTAG_AILDELETE 0x00000004
159#define XFS_PTAG_ERROR_REPORT 0x00000008
160#define XFS_PTAG_SHUTDOWN_CORRUPT 0x00000010
161#define XFS_PTAG_SHUTDOWN_IOERROR 0x00000020
162#define XFS_PTAG_SHUTDOWN_LOGERROR 0x00000040
163#define XFS_PTAG_FSBLOCK_ZERO 0x00000080
164
165#endif /* __XFS_ERROR_H__ */