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