1 /* 2 * Copyright (c) 2000-2002 Silicon Graphics, Inc. All Rights Reserved. 3 * 4 * This program is free software; you can redistribute it and/or modify it 5 * under the terms of version 2 of the GNU General Public License as 6 * published by the Free Software Foundation. 7 * 8 * This program is distributed in the hope that it would be useful, but 9 * WITHOUT ANY WARRANTY; without even the implied warranty of 10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 11 * 12 * Further, this software is distributed without any warranty that it is 13 * free of the rightful claim of any third person regarding infringement 14 * or the like. Any license provided herein, whether implied or 15 * otherwise, applies only to this software file. Patent licenses, if 16 * any, provided herein do not apply to combinations of this program with 17 * other software, or any other product whatsoever. 18 * 19 * You should have received a copy of the GNU General Public License along 20 * with this program; if not, write the Free Software Foundation, Inc., 59 21 * Temple Place - Suite 330, Boston MA 02111-1307, USA. 22 * 23 * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy, 24 * Mountain View, CA 94043, or: 25 * 26 * http://www.sgi.com 27 * 28 * For further information regarding this notice, see: 29 * 30 * http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/ 31 */ 32 #ifndef __XFS_ERROR_H__ 33 #define __XFS_ERROR_H__ 34 35 #define prdev(fmt,targ,args...) \ 36 printk("XFS: device %s- " fmt "\n", XFS_BUFTARG_NAME(targ), ## args) 37 38 #define XFS_ERECOVER 1 /* Failure to recover log */ 39 #define XFS_ELOGSTAT 2 /* Failure to stat log in user space */ 40 #define XFS_ENOLOGSPACE 3 /* Reservation too large */ 41 #define XFS_ENOTSUP 4 /* Operation not supported */ 42 #define XFS_ENOLSN 5 /* Can't find the lsn you asked for */ 43 #define XFS_ENOTFOUND 6 44 #define XFS_ENOTXFS 7 /* Not XFS filesystem */ 45 46 #ifdef DEBUG 47 #define XFS_ERROR_NTRAP 10 48 extern int xfs_etrap[XFS_ERROR_NTRAP]; 49 extern int xfs_error_trap(int); 50 #define XFS_ERROR(e) xfs_error_trap(e) 51 #else 52 #define XFS_ERROR(e) (e) 53 #endif 54 55 struct xfs_mount; 56 57 extern void 58 xfs_error_report( 59 char *tag, 60 int level, 61 struct xfs_mount *mp, 62 char *fname, 63 int linenum, 64 inst_t *ra); 65 66 extern void 67 xfs_corruption_error( 68 char *tag, 69 int level, 70 struct xfs_mount *mp, 71 void *p, 72 char *fname, 73 int linenum, 74 inst_t *ra); 75 76 extern void 77 xfs_hex_dump(void *p, int length); 78 79 #define XFS_ERROR_REPORT(e, lvl, mp) \ 80 xfs_error_report(e, lvl, mp, __FILE__, __LINE__, __return_address) 81 #define XFS_CORRUPTION_ERROR(e, lvl, mp, mem) \ 82 xfs_corruption_error(e, lvl, mp, mem, \ 83 __FILE__, __LINE__, __return_address) 84 85 #define XFS_ERRLEVEL_OFF 0 86 #define XFS_ERRLEVEL_LOW 1 87 #define XFS_ERRLEVEL_HIGH 5 88 89 /* 90 * error injection tags - the labels can be anything you want 91 * but each tag should have its own unique number 92 */ 93 94 #define XFS_ERRTAG_NOERROR 0 95 #define XFS_ERRTAG_IFLUSH_1 1 96 #define XFS_ERRTAG_IFLUSH_2 2 97 #define XFS_ERRTAG_IFLUSH_3 3 98 #define XFS_ERRTAG_IFLUSH_4 4 99 #define XFS_ERRTAG_IFLUSH_5 5 100 #define XFS_ERRTAG_IFLUSH_6 6 101 #define XFS_ERRTAG_DA_READ_BUF 7 102 #define XFS_ERRTAG_BTREE_CHECK_LBLOCK 8 103 #define XFS_ERRTAG_BTREE_CHECK_SBLOCK 9 104 #define XFS_ERRTAG_ALLOC_READ_AGF 10 105 #define XFS_ERRTAG_IALLOC_READ_AGI 11 106 #define XFS_ERRTAG_ITOBP_INOTOBP 12 107 #define XFS_ERRTAG_IUNLINK 13 108 #define XFS_ERRTAG_IUNLINK_REMOVE 14 109 #define XFS_ERRTAG_DIR_INO_VALIDATE 15 110 #define XFS_ERRTAG_BULKSTAT_READ_CHUNK 16 111 #define XFS_ERRTAG_IODONE_IOERR 17 112 #define XFS_ERRTAG_STRATREAD_IOERR 18 113 #define XFS_ERRTAG_STRATCMPL_IOERR 19 114 #define XFS_ERRTAG_DIOWRITE_IOERR 20 115 #define XFS_ERRTAG_BMAPIFORMAT 21 116 #define XFS_ERRTAG_MAX 22 117 118 /* 119 * Random factors for above tags, 1 means always, 2 means 1/2 time, etc. 120 */ 121 #define XFS_RANDOM_DEFAULT 100 122 #define XFS_RANDOM_IFLUSH_1 XFS_RANDOM_DEFAULT 123 #define XFS_RANDOM_IFLUSH_2 XFS_RANDOM_DEFAULT 124 #define XFS_RANDOM_IFLUSH_3 XFS_RANDOM_DEFAULT 125 #define XFS_RANDOM_IFLUSH_4 XFS_RANDOM_DEFAULT 126 #define XFS_RANDOM_IFLUSH_5 XFS_RANDOM_DEFAULT 127 #define XFS_RANDOM_IFLUSH_6 XFS_RANDOM_DEFAULT 128 #define XFS_RANDOM_DA_READ_BUF XFS_RANDOM_DEFAULT 129 #define XFS_RANDOM_BTREE_CHECK_LBLOCK (XFS_RANDOM_DEFAULT/4) 130 #define XFS_RANDOM_BTREE_CHECK_SBLOCK XFS_RANDOM_DEFAULT 131 #define XFS_RANDOM_ALLOC_READ_AGF XFS_RANDOM_DEFAULT 132 #define XFS_RANDOM_IALLOC_READ_AGI XFS_RANDOM_DEFAULT 133 #define XFS_RANDOM_ITOBP_INOTOBP XFS_RANDOM_DEFAULT 134 #define XFS_RANDOM_IUNLINK XFS_RANDOM_DEFAULT 135 #define XFS_RANDOM_IUNLINK_REMOVE XFS_RANDOM_DEFAULT 136 #define XFS_RANDOM_DIR_INO_VALIDATE XFS_RANDOM_DEFAULT 137 #define XFS_RANDOM_BULKSTAT_READ_CHUNK XFS_RANDOM_DEFAULT 138 #define XFS_RANDOM_IODONE_IOERR (XFS_RANDOM_DEFAULT/10) 139 #define XFS_RANDOM_STRATREAD_IOERR (XFS_RANDOM_DEFAULT/10) 140 #define XFS_RANDOM_STRATCMPL_IOERR (XFS_RANDOM_DEFAULT/10) 141 #define XFS_RANDOM_DIOWRITE_IOERR (XFS_RANDOM_DEFAULT/10) 142 #define XFS_RANDOM_BMAPIFORMAT XFS_RANDOM_DEFAULT 143 144 #if (defined(DEBUG) || defined(INDUCE_IO_ERROR)) 145 extern int xfs_error_test(int, int *, char *, int, char *, unsigned long); 146 void xfs_error_test_init(void); 147 148 #define XFS_NUM_INJECT_ERROR 10 149 150 #ifdef __ANSI_CPP__ 151 #define XFS_TEST_ERROR(expr, mp, tag, rf) \ 152 ((expr) || \ 153 xfs_error_test((tag), (mp)->m_fixedfsid, #expr, __LINE__, __FILE__, \ 154 (rf))) 155 #else 156 #define XFS_TEST_ERROR(expr, mp, tag, rf) \ 157 ((expr) || \ 158 xfs_error_test((tag), (mp)->m_fixedfsid, "expr", __LINE__, __FILE__, \ 159 (rf))) 160 #endif /* __ANSI_CPP__ */ 161 162 int xfs_errortag_add(int error_tag, xfs_mount_t *mp); 163 int xfs_errortag_clear(int error_tag, xfs_mount_t *mp); 164 165 int xfs_errortag_clearall(xfs_mount_t *mp); 166 int xfs_errortag_clearall_umount(int64_t fsid, char *fsname, 167 int loud); 168 #else 169 #define XFS_TEST_ERROR(expr, mp, tag, rf) (expr) 170 #define xfs_errortag_add(tag, mp) (ENOSYS) 171 #define xfs_errortag_clearall(mp) (ENOSYS) 172 #endif /* (DEBUG || INDUCE_IO_ERROR) */ 173 174 /* 175 * XFS panic tags -- allow a call to xfs_cmn_err() be turned into 176 * a panic by setting xfs_panic_mask in a 177 * sysctl. update xfs_max[XFS_PARAM] if 178 * more are added. 179 */ 180 #define XFS_NO_PTAG 0 181 #define XFS_PTAG_IFLUSH 0x00000001 182 #define XFS_PTAG_LOGRES 0x00000002 183 #define XFS_PTAG_AILDELETE 0x00000004 184 #define XFS_PTAG_ERROR_REPORT 0x00000008 185 #define XFS_PTAG_SHUTDOWN_CORRUPT 0x00000010 186 #define XFS_PTAG_SHUTDOWN_IOERROR 0x00000020 187 #define XFS_PTAG_SHUTDOWN_LOGERROR 0x00000040 188 189 struct xfs_mount; 190 /* PRINTFLIKE4 */ 191 void xfs_cmn_err(int panic_tag, int level, struct xfs_mount *mp, 192 char *fmt, ...); 193 /* PRINTFLIKE3 */ 194 void xfs_fs_cmn_err(int level, struct xfs_mount *mp, char *fmt, ...); 195 196 #endif /* __XFS_ERROR_H__ */ 197