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/*
* Copyright (c) 2000-2002 Silicon Graphics, Inc. All Rights Reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it would be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*
* Further, this software is distributed without any warranty that it is
* free of the rightful claim of any third person regarding infringement
* or the like. Any license provided herein, whether implied or
* otherwise, applies only to this software file. Patent licenses, if
* any, provided herein do not apply to combinations of this program with
* other software, or any other product whatsoever.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write the Free Software Foundation, Inc., 59
* Temple Place - Suite 330, Boston MA 02111-1307, USA.
*
* Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
* Mountain View, CA 94043, or:
*
* http://www.sgi.com
*
* For further information regarding this notice, see:
*
* http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
*/
#ifndef __XFS_ERROR_H__
#define __XFS_ERROR_H__
#define prdev(fmt,targ,args...) \
printk("XFS: device %s- " fmt "\n", XFS_BUFTARG_NAME(targ), ## args)
#define XFS_ERECOVER 1 /* Failure to recover log */
#define XFS_ELOGSTAT 2 /* Failure to stat log in user space */
#define XFS_ENOLOGSPACE 3 /* Reservation too large */
#define XFS_ENOTSUP 4 /* Operation not supported */
#define XFS_ENOLSN 5 /* Can't find the lsn you asked for */
#define XFS_ENOTFOUND 6
#define XFS_ENOTXFS 7 /* Not XFS filesystem */
#ifdef DEBUG
#define XFS_ERROR_NTRAP 10
extern int xfs_etrap[XFS_ERROR_NTRAP];
extern int xfs_error_trap(int);
#define XFS_ERROR(e) xfs_error_trap(e)
#else
#define XFS_ERROR(e) (e)
#endif
struct xfs_mount;
extern void
xfs_error_report(
char *tag,
int level,
struct xfs_mount *mp,
char *fname,
int linenum,
inst_t *ra);
extern void
xfs_corruption_error(
char *tag,
int level,
struct xfs_mount *mp,
void *p,
char *fname,
int linenum,
inst_t *ra);
#define XFS_ERROR_REPORT(e, lvl, mp) \
xfs_error_report(e, lvl, mp, __FILE__, __LINE__, __return_address)
#define XFS_CORRUPTION_ERROR(e, lvl, mp, mem) \
xfs_corruption_error(e, lvl, mp, mem, \
__FILE__, __LINE__, __return_address)
#define XFS_ERRLEVEL_OFF 0
#define XFS_ERRLEVEL_LOW 1
#define XFS_ERRLEVEL_HIGH 5
/*
* error injection tags - the labels can be anything you want
* but each tag should have its own unique number
*/
#define XFS_ERRTAG_NOERROR 0
#define XFS_ERRTAG_IFLUSH_1 1
#define XFS_ERRTAG_IFLUSH_2 2
#define XFS_ERRTAG_IFLUSH_3 3
#define XFS_ERRTAG_IFLUSH_4 4
#define XFS_ERRTAG_IFLUSH_5 5
#define XFS_ERRTAG_IFLUSH_6 6
#define XFS_ERRTAG_DA_READ_BUF 7
#define XFS_ERRTAG_BTREE_CHECK_LBLOCK 8
#define XFS_ERRTAG_BTREE_CHECK_SBLOCK 9
#define XFS_ERRTAG_ALLOC_READ_AGF 10
#define XFS_ERRTAG_IALLOC_READ_AGI 11
#define XFS_ERRTAG_ITOBP_INOTOBP 12
#define XFS_ERRTAG_IUNLINK 13
#define XFS_ERRTAG_IUNLINK_REMOVE 14
#define XFS_ERRTAG_DIR_INO_VALIDATE 15
#define XFS_ERRTAG_BULKSTAT_READ_CHUNK 16
#define XFS_ERRTAG_IODONE_IOERR 17
#define XFS_ERRTAG_STRATREAD_IOERR 18
#define XFS_ERRTAG_STRATCMPL_IOERR 19
#define XFS_ERRTAG_DIOWRITE_IOERR 20
#define XFS_ERRTAG_BMAPIFORMAT 21
#define XFS_ERRTAG_MAX 22
/*
* Random factors for above tags, 1 means always, 2 means 1/2 time, etc.
*/
#define XFS_RANDOM_DEFAULT 100
#define XFS_RANDOM_IFLUSH_1 XFS_RANDOM_DEFAULT
#define XFS_RANDOM_IFLUSH_2 XFS_RANDOM_DEFAULT
#define XFS_RANDOM_IFLUSH_3 XFS_RANDOM_DEFAULT
#define XFS_RANDOM_IFLUSH_4 XFS_RANDOM_DEFAULT
#define XFS_RANDOM_IFLUSH_5 XFS_RANDOM_DEFAULT
#define XFS_RANDOM_IFLUSH_6 XFS_RANDOM_DEFAULT
#define XFS_RANDOM_DA_READ_BUF XFS_RANDOM_DEFAULT
#define XFS_RANDOM_BTREE_CHECK_LBLOCK (XFS_RANDOM_DEFAULT/4)
#define XFS_RANDOM_BTREE_CHECK_SBLOCK XFS_RANDOM_DEFAULT
#define XFS_RANDOM_ALLOC_READ_AGF XFS_RANDOM_DEFAULT
#define XFS_RANDOM_IALLOC_READ_AGI XFS_RANDOM_DEFAULT
#define XFS_RANDOM_ITOBP_INOTOBP XFS_RANDOM_DEFAULT
#define XFS_RANDOM_IUNLINK XFS_RANDOM_DEFAULT
#define XFS_RANDOM_IUNLINK_REMOVE XFS_RANDOM_DEFAULT
#define XFS_RANDOM_DIR_INO_VALIDATE XFS_RANDOM_DEFAULT
#define XFS_RANDOM_BULKSTAT_READ_CHUNK XFS_RANDOM_DEFAULT
#define XFS_RANDOM_IODONE_IOERR (XFS_RANDOM_DEFAULT/10)
#define XFS_RANDOM_STRATREAD_IOERR (XFS_RANDOM_DEFAULT/10)
#define XFS_RANDOM_STRATCMPL_IOERR (XFS_RANDOM_DEFAULT/10)
#define XFS_RANDOM_DIOWRITE_IOERR (XFS_RANDOM_DEFAULT/10)
#define XFS_RANDOM_BMAPIFORMAT XFS_RANDOM_DEFAULT
#if (defined(DEBUG) || defined(INDUCE_IO_ERROR))
extern int xfs_error_test(int, int *, char *, int, char *, unsigned long);
void xfs_error_test_init(void);
#define XFS_NUM_INJECT_ERROR 10
#ifdef __ANSI_CPP__
#define XFS_TEST_ERROR(expr, mp, tag, rf) \
((expr) || \
xfs_error_test((tag), (mp)->m_fixedfsid, #expr, __LINE__, __FILE__, \
(rf)))
#else
#define XFS_TEST_ERROR(expr, mp, tag, rf) \
((expr) || \
xfs_error_test((tag), (mp)->m_fixedfsid, "expr", __LINE__, __FILE__, \
(rf)))
#endif /* __ANSI_CPP__ */
int xfs_errortag_add(int error_tag, xfs_mount_t *mp);
int xfs_errortag_clear(int error_tag, xfs_mount_t *mp);
int xfs_errortag_clearall(xfs_mount_t *mp);
int xfs_errortag_clearall_umount(int64_t fsid, char *fsname,
int loud);
#else
#define XFS_TEST_ERROR(expr, mp, tag, rf) (expr)
#define xfs_errortag_add(tag, mp) (ENOSYS)
#define xfs_errortag_clearall(mp) (ENOSYS)
#endif /* (DEBUG || INDUCE_IO_ERROR) */
/*
* XFS panic tags -- allow a call to xfs_cmn_err() be turned into
* a panic by setting xfs_panic_mask in a
* sysctl. update xfs_max[XFS_PARAM] if
* more are added.
*/
#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
struct xfs_mount;
/* PRINTFLIKE4 */
void xfs_cmn_err(int panic_tag, int level, struct xfs_mount *mp,
char *fmt, ...);
/* PRINTFLIKE3 */
void xfs_fs_cmn_err(int level, struct xfs_mount *mp, char *fmt, ...);
#endif /* __XFS_ERROR_H__ */
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