xref: /titanic_51/usr/src/common/zfs/zfs_fletcher.h (revision aab83bb83be7342f6cfccaed8d5fe0b2f404855d)
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  */
28 
29 #ifndef	_ZFS_FLETCHER_H
30 #define	_ZFS_FLETCHER_H
31 
32 #include <sys/types.h>
33 #include <sys/spa.h>
34 
35 #ifdef	__cplusplus
36 extern "C" {
37 #endif
38 
39 /*
40  * fletcher checksum functions
41  */
42 
43 void fletcher_2_native(const void *, uint64_t, const void *, zio_cksum_t *);
44 void fletcher_2_byteswap(const void *, uint64_t, const void *, zio_cksum_t *);
45 void fletcher_4_native(const void *, uint64_t, const void *, zio_cksum_t *);
46 void fletcher_4_byteswap(const void *, uint64_t, const void *, zio_cksum_t *);
47 void fletcher_4_incremental_native(const void *, uint64_t, zio_cksum_t *);
48 void fletcher_4_incremental_byteswap(const void *, uint64_t, zio_cksum_t *);
49 
50 #ifdef	__cplusplus
51 }
52 #endif
53 
54 #endif	/* _ZFS_FLETCHER_H */
55