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, int error, 12 struct xfs_mount *mp, const char *filename, 13 int linenum, xfs_failaddr_t failaddr); 14 void xfs_corruption_error(const char *tag, int level, struct xfs_mount *mp, 15 const void *buf, size_t bufsize, const char *filename, 16 int linenum, xfs_failaddr_t failaddr); 17 void xfs_buf_corruption_error(struct xfs_buf *bp, xfs_failaddr_t fa); 18 void xfs_buf_verifier_error(struct xfs_buf *bp, int error, const char *name, 19 const void *buf, size_t bufsz, xfs_failaddr_t failaddr); 20 void xfs_verifier_error(struct xfs_buf *bp, int error, xfs_failaddr_t failaddr); 21 void xfs_inode_verifier_error(struct xfs_inode *ip, int error, const char *name, 22 const void *buf, size_t bufsz, xfs_failaddr_t failaddr); 23 24 #define XFS_ERROR_REPORT(e, lvl, error, mp) \ 25 xfs_error_report(e, lvl, error, mp, __FILE__, __LINE__, __return_address) 26 #define XFS_CORRUPTION_ERROR(e, lvl, mp, buf, bufsize) \ 27 xfs_corruption_error(e, lvl, mp, buf, bufsize, \ 28 __FILE__, __LINE__, __return_address) 29 30 #define XFS_ERRLEVEL_OFF 0 31 #define XFS_ERRLEVEL_LOW 1 32 #define XFS_ERRLEVEL_HIGH 5 33 34 /* Dump 128 bytes of any corrupt buffer */ 35 #define XFS_CORRUPTION_DUMP_LEN (128) 36 37 #ifdef DEBUG 38 int xfs_errortag_init(struct xfs_mount *mp); 39 void xfs_errortag_del(struct xfs_mount *mp); 40 bool xfs_errortag_test(struct xfs_mount *mp, const char *file, int line, 41 unsigned int error_tag); 42 #define XFS_TEST_ERROR(mp, tag) \ 43 xfs_errortag_test((mp), __FILE__, __LINE__, (tag)) 44 void xfs_errortag_delay(struct xfs_mount *mp, const char *file, int line, 45 unsigned int error_tag); 46 #define XFS_ERRORTAG_DELAY(mp, tag) \ 47 xfs_errortag_delay((mp), __FILE__, __LINE__, (tag)) 48 int xfs_errortag_add(struct xfs_mount *mp, unsigned int error_tag); 49 int xfs_errortag_add_name(struct xfs_mount *mp, const char *tag_name); 50 void xfs_errortag_copy(struct xfs_mount *dst_mp, struct xfs_mount *src_mp); 51 int xfs_errortag_clearall(struct xfs_mount *mp); 52 #else 53 #define xfs_errortag_init(mp) (0) 54 #define xfs_errortag_del(mp) 55 #define XFS_TEST_ERROR(mp, tag) (false) 56 #define XFS_ERRORTAG_DELAY(mp, tag) ((void)0) 57 #define xfs_errortag_add(mp, tag) (-ENOSYS) 58 #define xfs_errortag_copy(dst_mp, src_mp) ((void)0) 59 #define xfs_errortag_add_name(mp, tag_name) (-ENOSYS) 60 #define xfs_errortag_clearall(mp) (-ENOSYS) 61 #endif /* DEBUG */ 62 63 /* 64 * XFS panic tags -- allow a call to xfs_alert_tag() be turned into 65 * a panic by setting fs.xfs.panic_mask in a sysctl. 66 */ 67 #define XFS_NO_PTAG 0u 68 #define XFS_PTAG_IFLUSH (1u << 0) 69 #define XFS_PTAG_LOGRES (1u << 1) 70 #define XFS_PTAG_AILDELETE (1u << 2) 71 #define XFS_PTAG_ERROR_REPORT (1u << 3) 72 #define XFS_PTAG_SHUTDOWN_CORRUPT (1u << 4) 73 #define XFS_PTAG_SHUTDOWN_IOERROR (1u << 5) 74 #define XFS_PTAG_SHUTDOWN_LOGERROR (1u << 6) 75 #define XFS_PTAG_FSBLOCK_ZERO (1u << 7) 76 #define XFS_PTAG_VERIFIER_ERROR (1u << 8) 77 78 #define XFS_PTAG_MASK (XFS_PTAG_IFLUSH | \ 79 XFS_PTAG_LOGRES | \ 80 XFS_PTAG_AILDELETE | \ 81 XFS_PTAG_ERROR_REPORT | \ 82 XFS_PTAG_SHUTDOWN_CORRUPT | \ 83 XFS_PTAG_SHUTDOWN_IOERROR | \ 84 XFS_PTAG_SHUTDOWN_LOGERROR | \ 85 XFS_PTAG_FSBLOCK_ZERO | \ 86 XFS_PTAG_VERIFIER_ERROR) 87 88 #define XFS_PTAG_STRINGS \ 89 { XFS_NO_PTAG, "none" }, \ 90 { XFS_PTAG_IFLUSH, "iflush" }, \ 91 { XFS_PTAG_LOGRES, "logres" }, \ 92 { XFS_PTAG_AILDELETE, "aildelete" }, \ 93 { XFS_PTAG_ERROR_REPORT , "error_report" }, \ 94 { XFS_PTAG_SHUTDOWN_CORRUPT, "corrupt" }, \ 95 { XFS_PTAG_SHUTDOWN_IOERROR, "ioerror" }, \ 96 { XFS_PTAG_SHUTDOWN_LOGERROR, "logerror" }, \ 97 { XFS_PTAG_FSBLOCK_ZERO, "fsb_zero" }, \ 98 { XFS_PTAG_VERIFIER_ERROR, "verifier" } 99 100 #endif /* __XFS_ERROR_H__ */ 101