// 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			0
  #define		XFS_PTAG_IFLUSH			0x00000001
  #define		XFS_PTAG_LOGRES			0x00000002
  #define		XFS_PTAG_AILDELETE		0x00000004
  #define		XFS_PTAG_ERROR_REPORT		0x00000008
  #define		XFS_PTAG_SHUTDOWN_CORRUPT	0x00000010
  #define		XFS_PTAG_SHUTDOWN_IOERROR	0x00000020
  #define		XFS_PTAG_SHUTDOWN_LOGERROR	0x00000040

  #define		XFS_PTAG_FSBLOCK_ZERO		0x00000080

  #define		XFS_PTAG_VERIFIER_ERROR		0x00000100

  #endif	/* __XFS_ERROR_H__ */