1153323Srodrigc/* 2159451Srodrigc * Copyright (c) 2000-2002,2005 Silicon Graphics, Inc. 3159451Srodrigc * All Rights Reserved. 4153323Srodrigc * 5159451Srodrigc * This program is free software; you can redistribute it and/or 6159451Srodrigc * modify it under the terms of the GNU General Public License as 7153323Srodrigc * published by the Free Software Foundation. 8153323Srodrigc * 9159451Srodrigc * This program is distributed in the hope that it would be useful, 10159451Srodrigc * but WITHOUT ANY WARRANTY; without even the implied warranty of 11159451Srodrigc * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12159451Srodrigc * GNU General Public License for more details. 13153323Srodrigc * 14159451Srodrigc * You should have received a copy of the GNU General Public License 15159451Srodrigc * along with this program; if not, write the Free Software Foundation, 16159451Srodrigc * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 17153323Srodrigc */ 18153323Srodrigc#ifndef __XFS_ERROR_H__ 19153323Srodrigc#define __XFS_ERROR_H__ 20153323Srodrigc 21153323Srodrigc#define XFS_ERECOVER 1 /* Failure to recover log */ 22153323Srodrigc#define XFS_ELOGSTAT 2 /* Failure to stat log in user space */ 23153323Srodrigc#define XFS_ENOLOGSPACE 3 /* Reservation too large */ 24153323Srodrigc#define XFS_ENOTSUP 4 /* Operation not supported */ 25153323Srodrigc#define XFS_ENOLSN 5 /* Can't find the lsn you asked for */ 26153323Srodrigc#define XFS_ENOTFOUND 6 27153323Srodrigc#define XFS_ENOTXFS 7 /* Not XFS filesystem */ 28153323Srodrigc 29153323Srodrigc#ifdef DEBUG 30153323Srodrigc#define XFS_ERROR_NTRAP 10 31153323Srodrigcextern int xfs_etrap[XFS_ERROR_NTRAP]; 32153323Srodrigcextern int xfs_error_trap(int); 33153323Srodrigc#define XFS_ERROR(e) xfs_error_trap(e) 34153323Srodrigc#else 35153323Srodrigc#define XFS_ERROR(e) (e) 36153323Srodrigc#endif 37153323Srodrigc 38153323Srodrigcstruct xfs_mount; 39153323Srodrigc 40159451Srodrigcextern void xfs_error_report(char *tag, int level, struct xfs_mount *mp, 41159451Srodrigc char *fname, int linenum, inst_t *ra); 42159451Srodrigcextern void xfs_corruption_error(char *tag, int level, struct xfs_mount *mp, 43159451Srodrigc void *p, char *fname, int linenum, inst_t *ra); 44153323Srodrigc 45153323Srodrigc#define XFS_ERROR_REPORT(e, lvl, mp) \ 46153323Srodrigc xfs_error_report(e, lvl, mp, __FILE__, __LINE__, __return_address) 47153323Srodrigc#define XFS_CORRUPTION_ERROR(e, lvl, mp, mem) \ 48153323Srodrigc xfs_corruption_error(e, lvl, mp, mem, \ 49153323Srodrigc __FILE__, __LINE__, __return_address) 50153323Srodrigc 51153323Srodrigc#define XFS_ERRLEVEL_OFF 0 52153323Srodrigc#define XFS_ERRLEVEL_LOW 1 53153323Srodrigc#define XFS_ERRLEVEL_HIGH 5 54153323Srodrigc 55153323Srodrigc/* 56159451Srodrigc * Macros to set EFSCORRUPTED & return/branch. 57159451Srodrigc */ 58159451Srodrigc#define XFS_WANT_CORRUPTED_GOTO(x,l) \ 59159451Srodrigc { \ 60159451Srodrigc int fs_is_ok = (x); \ 61159451Srodrigc ASSERT(fs_is_ok); \ 62159451Srodrigc if (unlikely(!fs_is_ok)) { \ 63159451Srodrigc XFS_ERROR_REPORT("XFS_WANT_CORRUPTED_GOTO", \ 64159451Srodrigc XFS_ERRLEVEL_LOW, NULL); \ 65159451Srodrigc error = XFS_ERROR(EFSCORRUPTED); \ 66159451Srodrigc goto l; \ 67159451Srodrigc } \ 68159451Srodrigc } 69159451Srodrigc 70159451Srodrigc#define XFS_WANT_CORRUPTED_RETURN(x) \ 71159451Srodrigc { \ 72159451Srodrigc int fs_is_ok = (x); \ 73159451Srodrigc ASSERT(fs_is_ok); \ 74159451Srodrigc if (unlikely(!fs_is_ok)) { \ 75159451Srodrigc XFS_ERROR_REPORT("XFS_WANT_CORRUPTED_RETURN", \ 76159451Srodrigc XFS_ERRLEVEL_LOW, NULL); \ 77159451Srodrigc return XFS_ERROR(EFSCORRUPTED); \ 78159451Srodrigc } \ 79159451Srodrigc } 80159451Srodrigc 81159451Srodrigc/* 82153323Srodrigc * error injection tags - the labels can be anything you want 83153323Srodrigc * but each tag should have its own unique number 84153323Srodrigc */ 85153323Srodrigc 86153323Srodrigc#define XFS_ERRTAG_NOERROR 0 87153323Srodrigc#define XFS_ERRTAG_IFLUSH_1 1 88153323Srodrigc#define XFS_ERRTAG_IFLUSH_2 2 89153323Srodrigc#define XFS_ERRTAG_IFLUSH_3 3 90153323Srodrigc#define XFS_ERRTAG_IFLUSH_4 4 91153323Srodrigc#define XFS_ERRTAG_IFLUSH_5 5 92153323Srodrigc#define XFS_ERRTAG_IFLUSH_6 6 93153323Srodrigc#define XFS_ERRTAG_DA_READ_BUF 7 94153323Srodrigc#define XFS_ERRTAG_BTREE_CHECK_LBLOCK 8 95153323Srodrigc#define XFS_ERRTAG_BTREE_CHECK_SBLOCK 9 96153323Srodrigc#define XFS_ERRTAG_ALLOC_READ_AGF 10 97153323Srodrigc#define XFS_ERRTAG_IALLOC_READ_AGI 11 98153323Srodrigc#define XFS_ERRTAG_ITOBP_INOTOBP 12 99153323Srodrigc#define XFS_ERRTAG_IUNLINK 13 100153323Srodrigc#define XFS_ERRTAG_IUNLINK_REMOVE 14 101153323Srodrigc#define XFS_ERRTAG_DIR_INO_VALIDATE 15 102153323Srodrigc#define XFS_ERRTAG_BULKSTAT_READ_CHUNK 16 103153323Srodrigc#define XFS_ERRTAG_IODONE_IOERR 17 104153323Srodrigc#define XFS_ERRTAG_STRATREAD_IOERR 18 105153323Srodrigc#define XFS_ERRTAG_STRATCMPL_IOERR 19 106153323Srodrigc#define XFS_ERRTAG_DIOWRITE_IOERR 20 107153323Srodrigc#define XFS_ERRTAG_BMAPIFORMAT 21 108153323Srodrigc#define XFS_ERRTAG_MAX 22 109153323Srodrigc 110153323Srodrigc/* 111153323Srodrigc * Random factors for above tags, 1 means always, 2 means 1/2 time, etc. 112153323Srodrigc */ 113153323Srodrigc#define XFS_RANDOM_DEFAULT 100 114153323Srodrigc#define XFS_RANDOM_IFLUSH_1 XFS_RANDOM_DEFAULT 115153323Srodrigc#define XFS_RANDOM_IFLUSH_2 XFS_RANDOM_DEFAULT 116153323Srodrigc#define XFS_RANDOM_IFLUSH_3 XFS_RANDOM_DEFAULT 117153323Srodrigc#define XFS_RANDOM_IFLUSH_4 XFS_RANDOM_DEFAULT 118153323Srodrigc#define XFS_RANDOM_IFLUSH_5 XFS_RANDOM_DEFAULT 119153323Srodrigc#define XFS_RANDOM_IFLUSH_6 XFS_RANDOM_DEFAULT 120153323Srodrigc#define XFS_RANDOM_DA_READ_BUF XFS_RANDOM_DEFAULT 121153323Srodrigc#define XFS_RANDOM_BTREE_CHECK_LBLOCK (XFS_RANDOM_DEFAULT/4) 122153323Srodrigc#define XFS_RANDOM_BTREE_CHECK_SBLOCK XFS_RANDOM_DEFAULT 123153323Srodrigc#define XFS_RANDOM_ALLOC_READ_AGF XFS_RANDOM_DEFAULT 124153323Srodrigc#define XFS_RANDOM_IALLOC_READ_AGI XFS_RANDOM_DEFAULT 125153323Srodrigc#define XFS_RANDOM_ITOBP_INOTOBP XFS_RANDOM_DEFAULT 126153323Srodrigc#define XFS_RANDOM_IUNLINK XFS_RANDOM_DEFAULT 127153323Srodrigc#define XFS_RANDOM_IUNLINK_REMOVE XFS_RANDOM_DEFAULT 128153323Srodrigc#define XFS_RANDOM_DIR_INO_VALIDATE XFS_RANDOM_DEFAULT 129153323Srodrigc#define XFS_RANDOM_BULKSTAT_READ_CHUNK XFS_RANDOM_DEFAULT 130153323Srodrigc#define XFS_RANDOM_IODONE_IOERR (XFS_RANDOM_DEFAULT/10) 131153323Srodrigc#define XFS_RANDOM_STRATREAD_IOERR (XFS_RANDOM_DEFAULT/10) 132153323Srodrigc#define XFS_RANDOM_STRATCMPL_IOERR (XFS_RANDOM_DEFAULT/10) 133153323Srodrigc#define XFS_RANDOM_DIOWRITE_IOERR (XFS_RANDOM_DEFAULT/10) 134153323Srodrigc#define XFS_RANDOM_BMAPIFORMAT XFS_RANDOM_DEFAULT 135153323Srodrigc 136153323Srodrigc#if (defined(DEBUG) || defined(INDUCE_IO_ERROR)) 137159451Srodrigcextern int xfs_error_test(int, int *, char *, int, char *, unsigned long); 138159451Srodrigcextern void xfs_error_test_init(void); 139153323Srodrigc 140153323Srodrigc#define XFS_NUM_INJECT_ERROR 10 141153323Srodrigc 142153323Srodrigc#ifdef __ANSI_CPP__ 143153323Srodrigc#define XFS_TEST_ERROR(expr, mp, tag, rf) \ 144153323Srodrigc ((expr) || \ 145153323Srodrigc xfs_error_test((tag), (mp)->m_fixedfsid, #expr, __LINE__, __FILE__, \ 146153323Srodrigc (rf))) 147153323Srodrigc#else 148153323Srodrigc#define XFS_TEST_ERROR(expr, mp, tag, rf) \ 149153323Srodrigc ((expr) || \ 150153323Srodrigc xfs_error_test((tag), (mp)->m_fixedfsid, "expr", __LINE__, __FILE__, \ 151153323Srodrigc (rf))) 152153323Srodrigc#endif /* __ANSI_CPP__ */ 153153323Srodrigc 154159451Srodrigcextern int xfs_errortag_add(int error_tag, xfs_mount_t *mp); 155159451Srodrigcextern int xfs_errortag_clear(int error_tag, xfs_mount_t *mp); 156159451Srodrigcextern int xfs_errortag_clearall(xfs_mount_t *mp); 157159451Srodrigcextern int xfs_errortag_clearall_umount(int64_t fsid, char *fsname, int loud); 158153323Srodrigc#else 159153323Srodrigc#define XFS_TEST_ERROR(expr, mp, tag, rf) (expr) 160153323Srodrigc#define xfs_errortag_add(tag, mp) (ENOSYS) 161153323Srodrigc#define xfs_errortag_clearall(mp) (ENOSYS) 162153323Srodrigc#endif /* (DEBUG || INDUCE_IO_ERROR) */ 163153323Srodrigc 164153323Srodrigc/* 165153323Srodrigc * XFS panic tags -- allow a call to xfs_cmn_err() be turned into 166153323Srodrigc * a panic by setting xfs_panic_mask in a 167153323Srodrigc * sysctl. update xfs_max[XFS_PARAM] if 168153323Srodrigc * more are added. 169153323Srodrigc */ 170153323Srodrigc#define XFS_NO_PTAG 0 171153323Srodrigc#define XFS_PTAG_IFLUSH 0x00000001 172153323Srodrigc#define XFS_PTAG_LOGRES 0x00000002 173153323Srodrigc#define XFS_PTAG_AILDELETE 0x00000004 174153323Srodrigc#define XFS_PTAG_ERROR_REPORT 0x00000008 175153323Srodrigc#define XFS_PTAG_SHUTDOWN_CORRUPT 0x00000010 176153323Srodrigc#define XFS_PTAG_SHUTDOWN_IOERROR 0x00000020 177153323Srodrigc#define XFS_PTAG_SHUTDOWN_LOGERROR 0x00000040 178153323Srodrigc 179153323Srodrigcstruct xfs_mount; 180153323Srodrigc/* PRINTFLIKE4 */ 181159451Srodrigcextern void xfs_cmn_err(int panic_tag, int level, struct xfs_mount *mp, 182159451Srodrigc char *fmt, ...); 183153323Srodrigc/* PRINTFLIKE3 */ 184159451Srodrigcextern void xfs_fs_cmn_err(int level, struct xfs_mount *mp, char *fmt, ...); 185153323Srodrigc 186159451Srodrigc#define xfs_fs_repair_cmn_err(level, mp, fmt, args...) \ 187159451Srodrigc xfs_fs_cmn_err(level, mp, fmt " Unmount and run xfs_repair.", ## args) 188159451Srodrigc 189159451Srodrigc#define xfs_fs_mount_cmn_err(f, fmt, args...) \ 190159451Srodrigc ((f & XFS_MFSI_QUIET)? cmn_err(CE_WARN, "XFS: " fmt, ## args) : (void)0) 191159451Srodrigc 192153323Srodrigc#endif /* __XFS_ERROR_H__ */ 193153323Srodrigc 194