xref: /freebsd/sys/contrib/openzfs/module/zfs/zfs_impl.c (revision 2008043f386721d58158e37e0d7e50df8095942d)
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 #include <sys/zio_checksum.h>
27 #include <sys/zfs_context.h>
28 #include <sys/zfs_impl.h>
29 
30 #include <sys/blake3.h>
31 #include <sys/sha2.h>
32 
33 /*
34  * impl_ops - backend for implementations of algorithms
35  */
36 const zfs_impl_t *impl_ops[] = {
37 	&zfs_blake3_ops,
38 	&zfs_sha256_ops,
39 	&zfs_sha512_ops,
40 	NULL
41 };
42 
43 /*
44  * zfs_impl_get_ops - Get the API functions for an impl backend
45  */
46 const zfs_impl_t *
47 zfs_impl_get_ops(const char *algo)
48 {
49 	const zfs_impl_t **ops = impl_ops;
50 
51 	if (!algo || !*algo)
52 		return (*ops);
53 
54 	for (; *ops; ops++) {
55 		if (strcmp(algo, (*ops)->name) == 0)
56 			break;
57 	}
58 
59 	ASSERT3P(ops, !=, NULL);
60 	return (*ops);
61 }
62