module/zfs/zfs_impl.c

   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 }