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 https://opensource.org/licenses/CDDL-1.0.
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 /*
23  * Copyright (c) 2022 Tino Reichardt <milky-zfs@mcmilk.de>
24  */
25 
26 #ifndef	_SYS_ZFS_IMPL_H
27 #define	_SYS_ZFS_IMPL_H
28 
29 #ifdef	__cplusplus
30 extern "C" {
31 #endif
32 
33 /* generic implementation backends */
34 typedef struct
35 {
36 	/* algorithm name */
37 	const char *name;
38 
39 	/* get number of supported implementations */
40 	uint32_t (*getcnt)(void);
41 
42 	/* get id of selected implementation */
43 	uint32_t (*getid)(void);
44 
45 	/* get name of selected implementation */
46 	const char *(*getname)(void);
47 
48 	/* setup id as fastest implementation */
49 	void (*set_fastest)(uint32_t id);
50 
51 	/* set implementation by id */
52 	void (*setid)(uint32_t id);
53 
54 	/* set implementation by name */
55 	int (*setname)(const char *val);
56 } zfs_impl_t;
57 
58 /* return some set of function pointer */
59 extern const zfs_impl_t *zfs_impl_get_ops(const char *algo);
60 
61 extern const zfs_impl_t zfs_blake3_ops;
62 extern const zfs_impl_t zfs_sha256_ops;
63 extern const zfs_impl_t zfs_sha512_ops;
64 
65 #ifdef	__cplusplus
66 }
67 #endif
68 
69 #endif	/* _SYS_ZFS_IMPL_H */
70