1/*-
2 * Copyright (c) 2010 Isilon Systems, Inc.
3 * Copyright (c) 2010 iX Systems, Inc.
4 * Copyright (c) 2010 Panasas, Inc.
5 * Copyright (c) 2013, 2014 Mellanox Technologies, Ltd.
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 *    notice unmodified, this list of conditions, and the following
13 *    disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 *    notice, this list of conditions and the following disclaimer in the
16 *    documentation and/or other materials provided with the distribution.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 *
29 * $FreeBSD$
30 */
31
32#ifndef _LINUX_LOCKDEP_H_
33#define	_LINUX_LOCKDEP_H_
34
35#include <sys/lock.h>
36
37struct lock_class_key {
38};
39
40#define	lockdep_set_class(lock, key)
41#define	lockdep_set_subclass(lock, sub)
42#define	lockdep_set_class_and_name(lock, key, name)
43#define	lockdep_set_current_reclaim_state(g) do { } while (0)
44#define	lockdep_clear_current_reclaim_state() do { } while (0)
45#define	lockdep_init_map(_map, _name, _key, _x) do { } while(0)
46
47#ifdef INVARIANTS
48#define	lockdep_assert_held(m) do {					\
49	struct lock_object *__lock = (struct lock_object *)(m);		\
50	LOCK_CLASS(__lock)->lc_assert(__lock, LA_LOCKED);		\
51} while (0)
52
53#define	lockdep_assert_held_once(m) do {				\
54	struct lock_object *__lock = (struct lock_object *)(m);		\
55	LOCK_CLASS(__lock)->lc_assert(__lock, LA_LOCKED | LA_NOTRECURSED); \
56} while (0)
57
58static __inline bool
59lockdep_is_held(void *__m)
60{
61	struct lock_object *__lock;
62	struct thread *__td;
63
64	__lock = __m;
65	return (LOCK_CLASS(__lock)->lc_owner(__lock, &__td) != 0);
66}
67#define	lockdep_is_held_type(_m, _t) lockdep_is_held(_m)
68
69#else
70#define	lockdep_assert_held(m) do { } while (0)
71
72#define	lockdep_assert_held_once(m) do { } while (0)
73
74#define	lockdep_is_held(m)	1
75#define	lockdep_is_held_type(_m, _t)	1
76#endif
77
78#define	might_lock(m)	do { } while (0)
79#define	might_lock_read(m) do { } while (0)
80#define	might_lock_nested(m, n) do { } while (0)
81
82#define	lock_acquire(...) do { } while (0)
83#define	lock_release(...) do { } while (0)
84#define	lock_acquire_shared_recursive(...) do { } while (0)
85
86#define	mutex_acquire(...) do { } while (0)
87#define	mutex_release(...) do { } while (0)
88
89#define	lockdep_pin_lock(l) do { } while (0)
90#define	lockdep_repin_lock(l,c) do { } while (0)
91#define	lockdep_unpin_lock(l,c) do { } while (0)
92
93#endif /* _LINUX_LOCKDEP_H_ */
94