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 9 struct xfs_mount; 10 11 extern void xfs_error_report(const char *tag, int level, struct xfs_mount *mp, 12 const char *filename, int linenum, 13 xfs_failaddr_t failaddr); 14 extern 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); 18 void xfs_buf_corruption_error(struct xfs_buf *bp, xfs_failaddr_t fa); 19 extern 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); 22 extern void xfs_verifier_error(struct xfs_buf *bp, int error, 23 xfs_failaddr_t failaddr); 24 extern 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 /* 42 * Macros to set EFSCORRUPTED & return/branch. 43 */ 44 #define XFS_WANT_CORRUPTED_GOTO(mp, x, l) \ 45 { \ 46 int fs_is_ok = (x); \ 47 ASSERT(fs_is_ok); \ 48 if (unlikely(!fs_is_ok)) { \ 49 XFS_ERROR_REPORT("XFS_WANT_CORRUPTED_GOTO", \ 50 XFS_ERRLEVEL_LOW, mp); \ 51 error = -EFSCORRUPTED; \ 52 goto l; \ 53 } \ 54 } 55 56 #define XFS_WANT_CORRUPTED_RETURN(mp, x) \ 57 { \ 58 int fs_is_ok = (x); \ 59 ASSERT(fs_is_ok); \ 60 if (unlikely(!fs_is_ok)) { \ 61 XFS_ERROR_REPORT("XFS_WANT_CORRUPTED_RETURN", \ 62 XFS_ERRLEVEL_LOW, mp); \ 63 return -EFSCORRUPTED; \ 64 } \ 65 } 66 67 #ifdef DEBUG 68 extern int xfs_errortag_init(struct xfs_mount *mp); 69 extern void xfs_errortag_del(struct xfs_mount *mp); 70 extern bool xfs_errortag_test(struct xfs_mount *mp, const char *expression, 71 const char *file, int line, unsigned int error_tag); 72 #define XFS_TEST_ERROR(expr, mp, tag) \ 73 ((expr) || xfs_errortag_test((mp), #expr, __FILE__, __LINE__, (tag))) 74 75 extern int xfs_errortag_get(struct xfs_mount *mp, unsigned int error_tag); 76 extern int xfs_errortag_set(struct xfs_mount *mp, unsigned int error_tag, 77 unsigned int tag_value); 78 extern int xfs_errortag_add(struct xfs_mount *mp, unsigned int error_tag); 79 extern int xfs_errortag_clearall(struct xfs_mount *mp); 80 #else 81 #define xfs_errortag_init(mp) (0) 82 #define xfs_errortag_del(mp) 83 #define XFS_TEST_ERROR(expr, mp, tag) (expr) 84 #define xfs_errortag_set(mp, tag, val) (ENOSYS) 85 #define xfs_errortag_add(mp, tag) (ENOSYS) 86 #define xfs_errortag_clearall(mp) (ENOSYS) 87 #endif /* DEBUG */ 88 89 /* 90 * XFS panic tags -- allow a call to xfs_alert_tag() be turned into 91 * a panic by setting xfs_panic_mask in a sysctl. 92 */ 93 #define XFS_NO_PTAG 0 94 #define XFS_PTAG_IFLUSH 0x00000001 95 #define XFS_PTAG_LOGRES 0x00000002 96 #define XFS_PTAG_AILDELETE 0x00000004 97 #define XFS_PTAG_ERROR_REPORT 0x00000008 98 #define XFS_PTAG_SHUTDOWN_CORRUPT 0x00000010 99 #define XFS_PTAG_SHUTDOWN_IOERROR 0x00000020 100 #define XFS_PTAG_SHUTDOWN_LOGERROR 0x00000040 101 #define XFS_PTAG_FSBLOCK_ZERO 0x00000080 102 #define XFS_PTAG_VERIFIER_ERROR 0x00000100 103 104 #endif /* __XFS_ERROR_H__ */ 105