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
46#ifdef INVARIANTS
47#define	lockdep_assert_held(m) do {					\
48	struct lock_object *__lock = (struct lock_object *)(m);		\
49	LOCK_CLASS(__lock)->lc_assert(__lock, LA_LOCKED);		\
50} while (0)
51
52#define	lockdep_assert_held_once(m) do {				\
53	struct lock_object *__lock = (struct lock_object *)(m);		\
54	LOCK_CLASS(__lock)->lc_assert(__lock, LA_LOCKED | LA_NOTRECURSED); \
55} while (0)
56
57static __inline bool
58lockdep_is_held(void *__m)
59{
60	struct lock_object *__lock;
61	struct thread *__td;
62
63	__lock = __m;
64	return (LOCK_CLASS(__lock)->lc_owner(__lock, &__td) != 0);
65}
66#define	lockdep_is_held_type(_m, _t) lockdep_is_held(_m)
67
68#else
69#define	lockdep_assert_held(m) do { } while (0)
70
71#define	lockdep_assert_held_once(m) do { } while (0)
72
73#define	lockdep_is_held(m)	1
74#define	lockdep_is_held_type(_m, _t)	1
75#endif
76
77#define	might_lock(m)	do { } while (0)
78#define	might_lock_read(m) do { } while (0)
79
80#define	lock_acquire(...) do { } while (0)
81#define	lock_release(...) do { } while (0)
82#define	lock_acquire_shared_recursive(...) do { } while (0)
83
84#define	mutex_acquire(...) do { } while (0)
85#define	mutex_release(...) do { } while (0)
86
87#endif /* _LINUX_LOCKDEP_H_ */
88