fa9e4066f08beec538e775443c5be79dd423fcabahrens/*
fa9e4066f08beec538e775443c5be79dd423fcabahrens * CDDL HEADER START
fa9e4066f08beec538e775443c5be79dd423fcabahrens *
fa9e4066f08beec538e775443c5be79dd423fcabahrens * The contents of this file are subject to the terms of the
6b4acc8bd9d480535a4d057e291dc7c049f664d9ahrens * Common Development and Distribution License (the "License").
6b4acc8bd9d480535a4d057e291dc7c049f664d9ahrens * You may not use this file except in compliance with the License.
fa9e4066f08beec538e775443c5be79dd423fcabahrens *
fa9e4066f08beec538e775443c5be79dd423fcabahrens * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
fa9e4066f08beec538e775443c5be79dd423fcabahrens * or http://www.opensolaris.org/os/licensing.
fa9e4066f08beec538e775443c5be79dd423fcabahrens * See the License for the specific language governing permissions
fa9e4066f08beec538e775443c5be79dd423fcabahrens * and limitations under the License.
fa9e4066f08beec538e775443c5be79dd423fcabahrens *
fa9e4066f08beec538e775443c5be79dd423fcabahrens * When distributing Covered Code, include this CDDL HEADER in each
fa9e4066f08beec538e775443c5be79dd423fcabahrens * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
fa9e4066f08beec538e775443c5be79dd423fcabahrens * If applicable, add the following below this CDDL HEADER, with the
fa9e4066f08beec538e775443c5be79dd423fcabahrens * fields enclosed by brackets "[]" replaced with your own identifying
fa9e4066f08beec538e775443c5be79dd423fcabahrens * information: Portions Copyright [yyyy] [name of copyright owner]
fa9e4066f08beec538e775443c5be79dd423fcabahrens *
fa9e4066f08beec538e775443c5be79dd423fcabahrens * CDDL HEADER END
fa9e4066f08beec538e775443c5be79dd423fcabahrens */
fa9e4066f08beec538e775443c5be79dd423fcabahrens/*
3f9d6ad73e45c6823b409f93b0c8d4f62861d2d5Lin Ling * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
2e4c998613148111f2fc5371085331ffb39122ffGeorge Wilson * Copyright (c) 2012, 2014 by Delphix. All rights reserved.
fa9e4066f08beec538e775443c5be79dd423fcabahrens */
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens#ifndef _SYS_ZFS_DEBUG_H
fa9e4066f08beec538e775443c5be79dd423fcabahrens#define _SYS_ZFS_DEBUG_H
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens#ifdef __cplusplus
fa9e4066f08beec538e775443c5be79dd423fcabahrensextern "C" {
fa9e4066f08beec538e775443c5be79dd423fcabahrens#endif
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens#ifndef TRUE
fa9e4066f08beec538e775443c5be79dd423fcabahrens#define TRUE 1
fa9e4066f08beec538e775443c5be79dd423fcabahrens#endif
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens#ifndef FALSE
fa9e4066f08beec538e775443c5be79dd423fcabahrens#define FALSE 0
fa9e4066f08beec538e775443c5be79dd423fcabahrens#endif
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens/*
fa9e4066f08beec538e775443c5be79dd423fcabahrens * ZFS debugging
fa9e4066f08beec538e775443c5be79dd423fcabahrens */
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens#if defined(DEBUG) || !defined(_KERNEL)
fa9e4066f08beec538e775443c5be79dd423fcabahrens#define ZFS_DEBUG
fa9e4066f08beec538e775443c5be79dd423fcabahrens#endif
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrensextern int zfs_flags;
7fd05ac4dec0c343d2f68f310d3718b715ecfbafMatthew Ahrensextern boolean_t zfs_recover;
7fd05ac4dec0c343d2f68f310d3718b715ecfbafMatthew Ahrensextern boolean_t zfs_free_leak_on_eio;
fa9e4066f08beec538e775443c5be79dd423fcabahrens
8363e80ae72609660f6090766ca8c2c18aa53f0cGeorge Wilson#define ZFS_DEBUG_DPRINTF (1 << 0)
8363e80ae72609660f6090766ca8c2c18aa53f0cGeorge Wilson#define ZFS_DEBUG_DBUF_VERIFY (1 << 1)
8363e80ae72609660f6090766ca8c2c18aa53f0cGeorge Wilson#define ZFS_DEBUG_DNODE_VERIFY (1 << 2)
8363e80ae72609660f6090766ca8c2c18aa53f0cGeorge Wilson#define ZFS_DEBUG_SNAPNAMES (1 << 3)
8363e80ae72609660f6090766ca8c2c18aa53f0cGeorge Wilson#define ZFS_DEBUG_MODIFY (1 << 4)
8363e80ae72609660f6090766ca8c2c18aa53f0cGeorge Wilson#define ZFS_DEBUG_SPA (1 << 5)
8363e80ae72609660f6090766ca8c2c18aa53f0cGeorge Wilson#define ZFS_DEBUG_ZIO_FREE (1 << 6)
8363e80ae72609660f6090766ca8c2c18aa53f0cGeorge Wilson#define ZFS_DEBUG_HISTOGRAM_VERIFY (1 << 7)
8363e80ae72609660f6090766ca8c2c18aa53f0cGeorge Wilson#define ZFS_DEBUG_METASLAB_VERIFY (1 << 8)
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens#ifdef ZFS_DEBUG
fa9e4066f08beec538e775443c5be79dd423fcabahrensextern void __dprintf(const char *file, const char *func,
fa9e4066f08beec538e775443c5be79dd423fcabahrens int line, const char *fmt, ...);
fa9e4066f08beec538e775443c5be79dd423fcabahrens#define dprintf(...) \
fa9e4066f08beec538e775443c5be79dd423fcabahrens if (zfs_flags & ZFS_DEBUG_DPRINTF) \
fa9e4066f08beec538e775443c5be79dd423fcabahrens __dprintf(__FILE__, __func__, __LINE__, __VA_ARGS__)
fa9e4066f08beec538e775443c5be79dd423fcabahrens#else
fa9e4066f08beec538e775443c5be79dd423fcabahrens#define dprintf(...) ((void)0)
fa9e4066f08beec538e775443c5be79dd423fcabahrens#endif /* ZFS_DEBUG */
fa9e4066f08beec538e775443c5be79dd423fcabahrens
0125049cd6136d1d2ca9e982382a915b6d7916ceahrensextern void zfs_panic_recover(const char *fmt, ...);
0125049cd6136d1d2ca9e982382a915b6d7916ceahrens
3f9d6ad73e45c6823b409f93b0c8d4f62861d2d5Lin Lingtypedef struct zfs_dbgmsg {
3f9d6ad73e45c6823b409f93b0c8d4f62861d2d5Lin Ling list_node_t zdm_node;
3f9d6ad73e45c6823b409f93b0c8d4f62861d2d5Lin Ling time_t zdm_timestamp;
3f9d6ad73e45c6823b409f93b0c8d4f62861d2d5Lin Ling char zdm_msg[1]; /* variable length allocation */
3f9d6ad73e45c6823b409f93b0c8d4f62861d2d5Lin Ling} zfs_dbgmsg_t;
3f9d6ad73e45c6823b409f93b0c8d4f62861d2d5Lin Ling
3f9d6ad73e45c6823b409f93b0c8d4f62861d2d5Lin Lingextern void zfs_dbgmsg_init(void);
3f9d6ad73e45c6823b409f93b0c8d4f62861d2d5Lin Lingextern void zfs_dbgmsg_fini(void);
3f9d6ad73e45c6823b409f93b0c8d4f62861d2d5Lin Lingextern void zfs_dbgmsg(const char *fmt, ...);
b4952e17e8858d3225793b28788278de9fe6038dGeorge Wilsonextern void zfs_dbgmsg_print(const char *tag);
3f9d6ad73e45c6823b409f93b0c8d4f62861d2d5Lin Ling
cd1c8b85eb30b568e9816221430c479ace7a559dMatthew Ahrens#ifndef _KERNEL
cd1c8b85eb30b568e9816221430c479ace7a559dMatthew Ahrensextern int dprintf_find_string(const char *string);
cd1c8b85eb30b568e9816221430c479ace7a559dMatthew Ahrens#endif
cd1c8b85eb30b568e9816221430c479ace7a559dMatthew Ahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens#ifdef __cplusplus
fa9e4066f08beec538e775443c5be79dd423fcabahrens}
fa9e4066f08beec538e775443c5be79dd423fcabahrens#endif
fa9e4066f08beec538e775443c5be79dd423fcabahrens
fa9e4066f08beec538e775443c5be79dd423fcabahrens#endif /* _SYS_ZFS_DEBUG_H */