zfs_fletcher.h revision 321610 
1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21/*
22 * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
23 * Use is subject to license terms.
24 */
25/*
26 * Copyright 2013 Saso Kiselkov. All rights reserved.
27 * Copyright (c) 2016 by Delphix. All rights reserved.
28 */
29
30#ifndef	_ZFS_FLETCHER_H
31#define	_ZFS_FLETCHER_H
32
33#include <sys/types.h>
34#include <sys/spa.h>
35
36#ifdef	__cplusplus
37extern "C" {
38#endif
39
40/*
41 * fletcher checksum functions
42 */
43
44void fletcher_init(zio_cksum_t *);
45void fletcher_2_native(const void *, size_t, const void *, zio_cksum_t *);
46void fletcher_2_byteswap(const void *, size_t, const void *, zio_cksum_t *);
47int fletcher_2_incremental_native(void *, size_t, void *);
48int fletcher_2_incremental_byteswap(void *, size_t, void *);
49void fletcher_4_native(const void *, size_t, const void *, zio_cksum_t *);
50void fletcher_4_byteswap(const void *, size_t, const void *, zio_cksum_t *);
51int fletcher_4_incremental_native(void *, size_t, void *);
52int fletcher_4_incremental_byteswap(void *, size_t, void *);
53
54#ifdef	__cplusplus
55}
56#endif
57
58#endif	/* _ZFS_FLETCHER_H */
59