1/* SPDX-License-Identifier: GPL-2.0+ */
2/*
3 * Copyright (c) 2000-2002,2005 Silicon Graphics, Inc.
4 * Copyright (C) 2017 Oracle.
5 * All Rights Reserved.
6 */
7#ifndef __XFS_ERRORTAG_H_
8#define __XFS_ERRORTAG_H_
9
10/*
11 * error injection tags - the labels can be anything you want
12 * but each tag should have its own unique number
13 */
14
15#define XFS_ERRTAG_NOERROR				0
16#define XFS_ERRTAG_IFLUSH_1				1
17#define XFS_ERRTAG_IFLUSH_2				2
18#define XFS_ERRTAG_IFLUSH_3				3
19#define XFS_ERRTAG_IFLUSH_4				4
20#define XFS_ERRTAG_IFLUSH_5				5
21#define XFS_ERRTAG_IFLUSH_6				6
22#define XFS_ERRTAG_DA_READ_BUF				7
23#define XFS_ERRTAG_BTREE_CHECK_LBLOCK			8
24#define XFS_ERRTAG_BTREE_CHECK_SBLOCK			9
25#define XFS_ERRTAG_ALLOC_READ_AGF			10
26#define XFS_ERRTAG_IALLOC_READ_AGI			11
27#define XFS_ERRTAG_ITOBP_INOTOBP			12
28#define XFS_ERRTAG_IUNLINK				13
29#define XFS_ERRTAG_IUNLINK_REMOVE			14
30#define XFS_ERRTAG_DIR_INO_VALIDATE			15
31#define XFS_ERRTAG_BULKSTAT_READ_CHUNK			16
32#define XFS_ERRTAG_IODONE_IOERR				17
33#define XFS_ERRTAG_STRATREAD_IOERR			18
34#define XFS_ERRTAG_STRATCMPL_IOERR			19
35#define XFS_ERRTAG_DIOWRITE_IOERR			20
36#define XFS_ERRTAG_BMAPIFORMAT				21
37#define XFS_ERRTAG_FREE_EXTENT				22
38#define XFS_ERRTAG_RMAP_FINISH_ONE			23
39#define XFS_ERRTAG_REFCOUNT_CONTINUE_UPDATE		24
40#define XFS_ERRTAG_REFCOUNT_FINISH_ONE			25
41#define XFS_ERRTAG_BMAP_FINISH_ONE			26
42#define XFS_ERRTAG_AG_RESV_CRITICAL			27
43
44/*
45 * Drop-writes support removed because write error handling cannot trash
46 * pre-existing delalloc extents in any useful way anymore. We retain the
47 * definition so that we can reject it as an invalid value in
48 * xfs_errortag_valid().
49 */
50#define XFS_ERRTAG_DROP_WRITES				28
51#define XFS_ERRTAG_LOG_BAD_CRC				29
52#define XFS_ERRTAG_LOG_ITEM_PIN				30
53#define XFS_ERRTAG_BUF_LRU_REF				31
54#define XFS_ERRTAG_FORCE_SCRUB_REPAIR			32
55#define XFS_ERRTAG_FORCE_SUMMARY_RECALC			33
56#define XFS_ERRTAG_IUNLINK_FALLBACK			34
57#define XFS_ERRTAG_BUF_IOERROR				35
58#define XFS_ERRTAG_REDUCE_MAX_IEXTENTS			36
59#define XFS_ERRTAG_BMAP_ALLOC_MINLEN_EXTENT		37
60#define XFS_ERRTAG_AG_RESV_FAIL				38
61#define XFS_ERRTAG_LARP					39
62#define XFS_ERRTAG_DA_LEAF_SPLIT			40
63#define XFS_ERRTAG_ATTR_LEAF_TO_NODE			41
64#define XFS_ERRTAG_WB_DELAY_MS				42
65#define XFS_ERRTAG_WRITE_DELAY_MS			43
66#define XFS_ERRTAG_MAX					44
67
68/*
69 * Random factors for above tags, 1 means always, 2 means 1/2 time, etc.
70 */
71#define XFS_RANDOM_DEFAULT				100
72#define XFS_RANDOM_IFLUSH_1				XFS_RANDOM_DEFAULT
73#define XFS_RANDOM_IFLUSH_2				XFS_RANDOM_DEFAULT
74#define XFS_RANDOM_IFLUSH_3				XFS_RANDOM_DEFAULT
75#define XFS_RANDOM_IFLUSH_4				XFS_RANDOM_DEFAULT
76#define XFS_RANDOM_IFLUSH_5				XFS_RANDOM_DEFAULT
77#define XFS_RANDOM_IFLUSH_6				XFS_RANDOM_DEFAULT
78#define XFS_RANDOM_DA_READ_BUF				XFS_RANDOM_DEFAULT
79#define XFS_RANDOM_BTREE_CHECK_LBLOCK			(XFS_RANDOM_DEFAULT/4)
80#define XFS_RANDOM_BTREE_CHECK_SBLOCK			XFS_RANDOM_DEFAULT
81#define XFS_RANDOM_ALLOC_READ_AGF			XFS_RANDOM_DEFAULT
82#define XFS_RANDOM_IALLOC_READ_AGI			XFS_RANDOM_DEFAULT
83#define XFS_RANDOM_ITOBP_INOTOBP			XFS_RANDOM_DEFAULT
84#define XFS_RANDOM_IUNLINK				XFS_RANDOM_DEFAULT
85#define XFS_RANDOM_IUNLINK_REMOVE			XFS_RANDOM_DEFAULT
86#define XFS_RANDOM_DIR_INO_VALIDATE			XFS_RANDOM_DEFAULT
87#define XFS_RANDOM_BULKSTAT_READ_CHUNK			XFS_RANDOM_DEFAULT
88#define XFS_RANDOM_IODONE_IOERR				(XFS_RANDOM_DEFAULT/10)
89#define XFS_RANDOM_STRATREAD_IOERR			(XFS_RANDOM_DEFAULT/10)
90#define XFS_RANDOM_STRATCMPL_IOERR			(XFS_RANDOM_DEFAULT/10)
91#define XFS_RANDOM_DIOWRITE_IOERR			(XFS_RANDOM_DEFAULT/10)
92#define XFS_RANDOM_BMAPIFORMAT				XFS_RANDOM_DEFAULT
93#define XFS_RANDOM_FREE_EXTENT				1
94#define XFS_RANDOM_RMAP_FINISH_ONE			1
95#define XFS_RANDOM_REFCOUNT_CONTINUE_UPDATE		1
96#define XFS_RANDOM_REFCOUNT_FINISH_ONE			1
97#define XFS_RANDOM_BMAP_FINISH_ONE			1
98#define XFS_RANDOM_AG_RESV_CRITICAL			4
99#define XFS_RANDOM_LOG_BAD_CRC				1
100#define XFS_RANDOM_LOG_ITEM_PIN				1
101#define XFS_RANDOM_BUF_LRU_REF				2
102#define XFS_RANDOM_FORCE_SCRUB_REPAIR			1
103#define XFS_RANDOM_FORCE_SUMMARY_RECALC			1
104#define XFS_RANDOM_IUNLINK_FALLBACK			(XFS_RANDOM_DEFAULT/10)
105#define XFS_RANDOM_BUF_IOERROR				XFS_RANDOM_DEFAULT
106#define XFS_RANDOM_REDUCE_MAX_IEXTENTS			1
107#define XFS_RANDOM_BMAP_ALLOC_MINLEN_EXTENT		1
108#define XFS_RANDOM_AG_RESV_FAIL				1
109#define XFS_RANDOM_LARP					1
110#define XFS_RANDOM_DA_LEAF_SPLIT			1
111#define XFS_RANDOM_ATTR_LEAF_TO_NODE			1
112#define XFS_RANDOM_WB_DELAY_MS				3000
113#define XFS_RANDOM_WRITE_DELAY_MS			3000
114
115#endif /* __XFS_ERRORTAG_H_ */
116