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 void xfs_error_report(const char *tag, int level, struct xfs_mount *mp, 12 const char *filename, int linenum, xfs_failaddr_t failaddr); 13 void xfs_corruption_error(const char *tag, int level, struct xfs_mount *mp, 14 const void *buf, size_t bufsize, const char *filename, 15 int linenum, xfs_failaddr_t failaddr); 16 void xfs_buf_corruption_error(struct xfs_buf *bp, xfs_failaddr_t fa); 17 void xfs_buf_verifier_error(struct xfs_buf *bp, int error, const char *name, 18 const void *buf, size_t bufsz, xfs_failaddr_t failaddr); 19 void xfs_verifier_error(struct xfs_buf *bp, int error, xfs_failaddr_t failaddr); 20 void xfs_inode_verifier_error(struct xfs_inode *ip, int error, const char *name, 21 const void *buf, size_t bufsz, xfs_failaddr_t failaddr); 22 23 #define XFS_ERROR_REPORT(e, lvl, mp) \ 24 xfs_error_report(e, lvl, mp, __FILE__, __LINE__, __return_address) 25 #define XFS_CORRUPTION_ERROR(e, lvl, mp, buf, bufsize) \ 26 xfs_corruption_error(e, lvl, mp, buf, bufsize, \ 27 __FILE__, __LINE__, __return_address) 28 29 #define XFS_ERRLEVEL_OFF 0 30 #define XFS_ERRLEVEL_LOW 1 31 #define XFS_ERRLEVEL_HIGH 5 32 33 /* Dump 128 bytes of any corrupt buffer */ 34 #define XFS_CORRUPTION_DUMP_LEN (128) 35 36 #ifdef DEBUG 37 int xfs_errortag_init(struct xfs_mount *mp); 38 void xfs_errortag_del(struct xfs_mount *mp); 39 bool xfs_errortag_test(struct xfs_mount *mp, const char *file, int line, 40 unsigned int error_tag); 41 #define XFS_TEST_ERROR(mp, tag) \ 42 xfs_errortag_test((mp), __FILE__, __LINE__, (tag)) 43 void xfs_errortag_delay(struct xfs_mount *mp, const char *file, int line, 44 unsigned int error_tag); 45 #define XFS_ERRORTAG_DELAY(mp, tag) \ 46 xfs_errortag_delay((mp), __FILE__, __LINE__, (tag)) 47 int xfs_errortag_add(struct xfs_mount *mp, unsigned int error_tag); 48 int xfs_errortag_add_name(struct xfs_mount *mp, const char *tag_name); 49 void xfs_errortag_copy(struct xfs_mount *dst_mp, struct xfs_mount *src_mp); 50 int xfs_errortag_clearall(struct xfs_mount *mp); 51 #else 52 #define xfs_errortag_init(mp) (0) 53 #define xfs_errortag_del(mp) 54 #define XFS_TEST_ERROR(mp, tag) (false) 55 #define XFS_ERRORTAG_DELAY(mp, tag) ((void)0) 56 #define xfs_errortag_add(mp, tag) (-ENOSYS) 57 #define xfs_errortag_copy(dst_mp, src_mp) ((void)0) 58 #define xfs_errortag_add_name(mp, tag_name) (-ENOSYS) 59 #define xfs_errortag_clearall(mp) (-ENOSYS) 60 #endif /* DEBUG */ 61 62 /* 63 * XFS panic tags -- allow a call to xfs_alert_tag() be turned into 64 * a panic by setting fs.xfs.panic_mask in a sysctl. 65 */ 66 #define XFS_NO_PTAG 0u 67 #define XFS_PTAG_IFLUSH (1u << 0) 68 #define XFS_PTAG_LOGRES (1u << 1) 69 #define XFS_PTAG_AILDELETE (1u << 2) 70 #define XFS_PTAG_ERROR_REPORT (1u << 3) 71 #define XFS_PTAG_SHUTDOWN_CORRUPT (1u << 4) 72 #define XFS_PTAG_SHUTDOWN_IOERROR (1u << 5) 73 #define XFS_PTAG_SHUTDOWN_LOGERROR (1u << 6) 74 #define XFS_PTAG_FSBLOCK_ZERO (1u << 7) 75 #define XFS_PTAG_VERIFIER_ERROR (1u << 8) 76 77 #define XFS_PTAG_MASK (XFS_PTAG_IFLUSH | \ 78 XFS_PTAG_LOGRES | \ 79 XFS_PTAG_AILDELETE | \ 80 XFS_PTAG_ERROR_REPORT | \ 81 XFS_PTAG_SHUTDOWN_CORRUPT | \ 82 XFS_PTAG_SHUTDOWN_IOERROR | \ 83 XFS_PTAG_SHUTDOWN_LOGERROR | \ 84 XFS_PTAG_FSBLOCK_ZERO | \ 85 XFS_PTAG_VERIFIER_ERROR) 86 87 #define XFS_PTAG_STRINGS \ 88 { XFS_NO_PTAG, "none" }, \ 89 { XFS_PTAG_IFLUSH, "iflush" }, \ 90 { XFS_PTAG_LOGRES, "logres" }, \ 91 { XFS_PTAG_AILDELETE, "aildelete" }, \ 92 { XFS_PTAG_ERROR_REPORT , "error_report" }, \ 93 { XFS_PTAG_SHUTDOWN_CORRUPT, "corrupt" }, \ 94 { XFS_PTAG_SHUTDOWN_IOERROR, "ioerror" }, \ 95 { XFS_PTAG_SHUTDOWN_LOGERROR, "logerror" }, \ 96 { XFS_PTAG_FSBLOCK_ZERO, "fsb_zero" }, \ 97 { XFS_PTAG_VERIFIER_ERROR, "verifier" } 98 99 #endif /* __XFS_ERROR_H__ */ 100