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 /* 22 * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. 23 * Copyright (c) 2012, 2019 by Delphix. All rights reserved. 24 */ 25 26 #ifndef _SYS_ZFS_DEBUG_H 27 #define _SYS_ZFS_DEBUG_H 28 29 #ifdef __cplusplus 30 extern "C" { 31 #endif 32 33 #ifndef TRUE 34 #define TRUE 1 35 #endif 36 37 #ifndef FALSE 38 #define FALSE 0 39 #endif 40 41 /* 42 * ZFS debugging 43 */ 44 45 #if defined(DEBUG) || !defined(_KERNEL) 46 #define ZFS_DEBUG 47 #endif 48 49 extern int zfs_flags; 50 extern boolean_t zfs_recover; 51 extern boolean_t zfs_free_leak_on_eio; 52 53 #define ZFS_DEBUG_DPRINTF (1 << 0) 54 #define ZFS_DEBUG_DBUF_VERIFY (1 << 1) 55 #define ZFS_DEBUG_DNODE_VERIFY (1 << 2) 56 #define ZFS_DEBUG_SNAPNAMES (1 << 3) 57 #define ZFS_DEBUG_MODIFY (1 << 4) 58 /* 1<<5 was previously used, try not to reuse */ 59 #define ZFS_DEBUG_ZIO_FREE (1 << 6) 60 #define ZFS_DEBUG_HISTOGRAM_VERIFY (1 << 7) 61 #define ZFS_DEBUG_METASLAB_VERIFY (1 << 8) 62 #define ZFS_DEBUG_INDIRECT_REMAP (1 << 9) 63 #define ZFS_DEBUG_TRIM (1 << 11) 64 #define ZFS_DEBUG_LOG_SPACEMAP (1 << 12) 65 66 #ifdef ZFS_DEBUG 67 extern void __dprintf(const char *file, const char *func, 68 int line, const char *fmt, ...); 69 #define dprintf(...) \ 70 if (zfs_flags & ZFS_DEBUG_DPRINTF) \ 71 __dprintf(__FILE__, __func__, __LINE__, __VA_ARGS__) 72 #else 73 #define dprintf(...) ((void)0) 74 #endif /* ZFS_DEBUG */ 75 76 extern void zfs_panic_recover(const char *fmt, ...); 77 78 typedef struct zfs_dbgmsg { 79 list_node_t zdm_node; 80 time_t zdm_timestamp; 81 hrtime_t zdm_hrtime; 82 char zdm_msg[1]; /* variable length allocation */ 83 } zfs_dbgmsg_t; 84 85 extern void zfs_dbgmsg_init(void); 86 extern void zfs_dbgmsg_fini(void); 87 extern void zfs_dbgmsg(const char *fmt, ...); 88 extern void zfs_dbgmsg_print(const char *tag); 89 90 #ifndef _KERNEL 91 extern int dprintf_find_string(const char *string); 92 #endif 93 94 #ifdef __cplusplus 95 } 96 #endif 97 98 #endif /* _SYS_ZFS_DEBUG_H */ 99