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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
* Copyright 2017 RackTop Systems.
*/
#ifndef _BITSET_H
#define _BITSET_H
#ifdef __cplusplus
extern "C" {
#endif
#if defined(_KERNEL) || defined(_FAKE_KERNEL) || defined(_KMEMUSER)
#include <sys/bitmap.h>
#include <sys/types.h>
typedef struct bitset {
ulong_t *bs_set;
uint_t bs_words;
uint_t bs_fanout;
} bitset_t;
/*
* Bitset initialiation / teardown
*/
void bitset_init(bitset_t *);
void bitset_init_fanout(bitset_t *, uint_t);
void bitset_fini(bitset_t *);
/*
* Resize / query a bitset's holding capacity
*/
void bitset_resize(bitset_t *, uint_t);
uint_t bitset_capacity(bitset_t *);
/*
* Set / clear a bit in the set
*/
void bitset_add(bitset_t *, uint_t);
void bitset_del(bitset_t *, uint_t);
/*
* Atomic operations
*/
void bitset_atomic_add(bitset_t *, uint_t);
void bitset_atomic_del(bitset_t *, uint_t);
int bitset_atomic_test_and_add(bitset_t *, uint_t);
int bitset_atomic_test_and_del(bitset_t *, uint_t);
/*
* Bitset queries
*/
int bitset_in_set(bitset_t *, uint_t);
int bitset_is_null(bitset_t *);
uint_t bitset_find(bitset_t *);
/*
* Bitset computations
*/
int bitset_and(bitset_t *, bitset_t *, bitset_t *);
int bitset_or(bitset_t *, bitset_t *, bitset_t *);
int bitset_xor(bitset_t *, bitset_t *, bitset_t *);
/*
* Miscellaneous bitset operations
*/
void bitset_zero(bitset_t *);
void bitset_copy(bitset_t *, bitset_t *);
int bitset_match(bitset_t *, bitset_t *);
#endif /* _KERNEL || _FAKE_KERNEL || _KMEMUSER */
#ifdef __cplusplus
}
#endif
#endif /* _BITSET_H */
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