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34dc7c2f BB |
1 | /* |
2 | * CDDL HEADER START | |
3 | * | |
4 | * The contents of this file are subject to the terms of the | |
5 | * Common Development and Distribution License (the "License"). | |
6 | * You may not use this file except in compliance with the License. | |
7 | * | |
8 | * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE | |
9 | * or http://www.opensolaris.org/os/licensing. | |
10 | * See the License for the specific language governing permissions | |
11 | * and limitations under the License. | |
12 | * | |
13 | * When distributing Covered Code, include this CDDL HEADER in each | |
14 | * file and include the License file at usr/src/OPENSOLARIS.LICENSE. | |
15 | * If applicable, add the following below this CDDL HEADER, with the | |
16 | * fields enclosed by brackets "[]" replaced with your own identifying | |
17 | * information: Portions Copyright [yyyy] [name of copyright owner] | |
18 | * | |
19 | * CDDL HEADER END | |
20 | */ | |
21 | /* | |
428870ff | 22 | * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. |
964c2d69 | 23 | * Copyright (c) 2012, 2017 by Delphix. All rights reserved. |
34dc7c2f BB |
24 | */ |
25 | ||
26 | #ifndef _SYS_ZFS_DEBUG_H | |
27 | #define _SYS_ZFS_DEBUG_H | |
28 | ||
495b25a9 RY |
29 | #ifdef __cplusplus |
30 | extern "C" { | |
31 | #endif | |
32 | ||
34dc7c2f BB |
33 | #ifndef TRUE |
34 | #define TRUE 1 | |
35 | #endif | |
36 | ||
37 | #ifndef FALSE | |
38 | #define FALSE 0 | |
39 | #endif | |
40 | ||
34dc7c2f | 41 | extern int zfs_flags; |
d7e398ce | 42 | extern int zfs_recover; |
fbeddd60 | 43 | extern int zfs_free_leak_on_eio; |
2fd92c3d | 44 | extern int zfs_dbgmsg_enable; |
34dc7c2f | 45 | |
4e21fd06 DB |
46 | #define ZFS_DEBUG_DPRINTF (1 << 0) |
47 | #define ZFS_DEBUG_DBUF_VERIFY (1 << 1) | |
48 | #define ZFS_DEBUG_DNODE_VERIFY (1 << 2) | |
49 | #define ZFS_DEBUG_SNAPNAMES (1 << 3) | |
50 | #define ZFS_DEBUG_MODIFY (1 << 4) | |
964c2d69 | 51 | /* 1<<5 was previously used, try not to reuse */ |
4e21fd06 DB |
52 | #define ZFS_DEBUG_ZIO_FREE (1 << 6) |
53 | #define ZFS_DEBUG_HISTOGRAM_VERIFY (1 << 7) | |
54 | #define ZFS_DEBUG_METASLAB_VERIFY (1 << 8) | |
8740cf4a | 55 | #define ZFS_DEBUG_SET_ERROR (1 << 9) |
a1d477c2 | 56 | #define ZFS_DEBUG_INDIRECT_REMAP (1 << 10) |
34dc7c2f | 57 | |
0b39b9f9 PS |
58 | extern void __dprintf(const char *file, const char *func, |
59 | int line, const char *fmt, ...); | |
3b36f831 | 60 | #define zfs_dbgmsg(...) \ |
2fd92c3d MA |
61 | if (zfs_dbgmsg_enable) \ |
62 | __dprintf(__FILE__, __func__, __LINE__, __VA_ARGS__) | |
63 | ||
64 | #ifdef ZFS_DEBUG | |
65 | /* | |
66 | * To enable this: | |
67 | * | |
68 | * $ echo 1 >/sys/module/zfs/parameters/zfs_flags | |
69 | */ | |
70 | #define dprintf(...) \ | |
71 | if (zfs_flags & ZFS_DEBUG_DPRINTF) \ | |
72 | __dprintf(__FILE__, __func__, __LINE__, __VA_ARGS__) | |
73 | #else | |
74 | #define dprintf(...) ((void)0) | |
75 | #endif /* ZFS_DEBUG */ | |
428870ff | 76 | |
495b25a9 RY |
77 | extern void zfs_panic_recover(const char *fmt, ...); |
78 | ||
79 | typedef struct zfs_dbgmsg { | |
80 | list_node_t zdm_node; | |
81 | time_t zdm_timestamp; | |
3b36f831 | 82 | int zdm_size; |
495b25a9 RY |
83 | char zdm_msg[1]; /* variable length allocation */ |
84 | } zfs_dbgmsg_t; | |
85 | ||
86 | extern void zfs_dbgmsg_init(void); | |
87 | extern void zfs_dbgmsg_fini(void); | |
495b25a9 RY |
88 | |
89 | #ifndef _KERNEL | |
90 | extern int dprintf_find_string(const char *string); | |
fa603f82 | 91 | extern void zfs_dbgmsg_print(const char *tag); |
495b25a9 RY |
92 | #endif |
93 | ||
94 | #ifdef __cplusplus | |
95 | } | |
96 | #endif | |
34dc7c2f BB |
97 | |
98 | #endif /* _SYS_ZFS_DEBUG_H */ |