xref: /titanic_51/usr/src/common/zfs/zfs_fletcher.h (revision ed22c7109fc5dd9e1b7a5d0333bdc7ad2718e2ab)
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 #ifndef	_ZFS_FLETCHER_H
27 #define	_ZFS_FLETCHER_H
28 
29 #include <sys/types.h>
30 #include <sys/spa.h>
31 
32 #ifdef	__cplusplus
33 extern "C" {
34 #endif
35 
36 /*
37  * fletcher checksum functions
38  */
39 
40 void fletcher_2_native(const void *, uint64_t, zio_cksum_t *);
41 void fletcher_2_byteswap(const void *, uint64_t, zio_cksum_t *);
42 void fletcher_4_native(const void *, uint64_t, zio_cksum_t *);
43 void fletcher_4_byteswap(const void *, uint64_t, zio_cksum_t *);
44 void fletcher_4_incremental_native(const void *, uint64_t,
45     zio_cksum_t *);
46 void fletcher_4_incremental_byteswap(const void *, uint64_t,
47     zio_cksum_t *);
48 
49 #ifdef	__cplusplus
50 }
51 #endif
52 
53 #endif	/* _ZFS_FLETCHER_H */
54