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// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (c) 2000-2002,2005 Silicon Graphics, Inc.
* All Rights Reserved.
*/
#ifndef __XFS_ERROR_H__
#define __XFS_ERROR_H__
struct xfs_mount;
extern void xfs_error_report(const char *tag, int level, struct xfs_mount *mp,
const char *filename, int linenum,
xfs_failaddr_t failaddr);
extern void xfs_corruption_error(const char *tag, int level,
struct xfs_mount *mp, const void *buf, size_t bufsize,
const char *filename, int linenum,
xfs_failaddr_t failaddr);
void xfs_buf_corruption_error(struct xfs_buf *bp, xfs_failaddr_t fa);
extern void xfs_buf_verifier_error(struct xfs_buf *bp, int error,
const char *name, const void *buf, size_t bufsz,
xfs_failaddr_t failaddr);
extern void xfs_verifier_error(struct xfs_buf *bp, int error,
xfs_failaddr_t failaddr);
extern void xfs_inode_verifier_error(struct xfs_inode *ip, int error,
const char *name, const void *buf, size_t bufsz,
xfs_failaddr_t failaddr);
#define XFS_ERROR_REPORT(e, lvl, mp) \
xfs_error_report(e, lvl, mp, __FILE__, __LINE__, __return_address)
#define XFS_CORRUPTION_ERROR(e, lvl, mp, buf, bufsize) \
xfs_corruption_error(e, lvl, mp, buf, bufsize, \
__FILE__, __LINE__, __return_address)
#define XFS_ERRLEVEL_OFF 0
#define XFS_ERRLEVEL_LOW 1
#define XFS_ERRLEVEL_HIGH 5
/* Dump 128 bytes of any corrupt buffer */
#define XFS_CORRUPTION_DUMP_LEN (128)
#ifdef DEBUG
extern int xfs_errortag_init(struct xfs_mount *mp);
extern void xfs_errortag_del(struct xfs_mount *mp);
extern bool xfs_errortag_test(struct xfs_mount *mp, const char *expression,
const char *file, int line, unsigned int error_tag);
#define XFS_TEST_ERROR(expr, mp, tag) \
((expr) || xfs_errortag_test((mp), #expr, __FILE__, __LINE__, (tag)))
extern int xfs_errortag_get(struct xfs_mount *mp, unsigned int error_tag);
extern int xfs_errortag_set(struct xfs_mount *mp, unsigned int error_tag,
unsigned int tag_value);
extern int xfs_errortag_add(struct xfs_mount *mp, unsigned int error_tag);
extern int xfs_errortag_clearall(struct xfs_mount *mp);
#else
#define xfs_errortag_init(mp) (0)
#define xfs_errortag_del(mp)
#define XFS_TEST_ERROR(expr, mp, tag) (expr)
#define xfs_errortag_set(mp, tag, val) (ENOSYS)
#define xfs_errortag_add(mp, tag) (ENOSYS)
#define xfs_errortag_clearall(mp) (ENOSYS)
#endif /* DEBUG */
/*
* XFS panic tags -- allow a call to xfs_alert_tag() be turned into
* a panic by setting xfs_panic_mask in a sysctl.
*/
#define XFS_NO_PTAG 0u
#define XFS_PTAG_IFLUSH (1u << 0)
#define XFS_PTAG_LOGRES (1u << 1)
#define XFS_PTAG_AILDELETE (1u << 2)
#define XFS_PTAG_ERROR_REPORT (1u << 3)
#define XFS_PTAG_SHUTDOWN_CORRUPT (1u << 4)
#define XFS_PTAG_SHUTDOWN_IOERROR (1u << 5)
#define XFS_PTAG_SHUTDOWN_LOGERROR (1u << 6)
#define XFS_PTAG_FSBLOCK_ZERO (1u << 7)
#define XFS_PTAG_VERIFIER_ERROR (1u << 8)
#define XFS_PTAG_STRINGS \
{ XFS_NO_PTAG, "none" }, \
{ XFS_PTAG_IFLUSH, "iflush" }, \
{ XFS_PTAG_LOGRES, "logres" }, \
{ XFS_PTAG_AILDELETE, "aildelete" }, \
{ XFS_PTAG_ERROR_REPORT , "error_report" }, \
{ XFS_PTAG_SHUTDOWN_CORRUPT, "corrupt" }, \
{ XFS_PTAG_SHUTDOWN_IOERROR, "ioerror" }, \
{ XFS_PTAG_SHUTDOWN_LOGERROR, "logerror" }, \
{ XFS_PTAG_FSBLOCK_ZERO, "fsb_zero" }, \
{ XFS_PTAG_VERIFIER_ERROR, "verifier" }
#endif /* __XFS_ERROR_H__ */
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