1 files changed, 61 insertions, 0 deletions
diff --git a/module/zfs/zfs_impl.c b/module/zfs/zfs_impl.c
new file mode 100644
index 000000000..20322ff98
--- /dev/null
+++ b/module/zfs/zfs_impl.c
@@ -0,0 +1,61 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or https://opensource.org/licenses/CDDL-1.0.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+
+/*
+ * Copyright (c) 2022 Tino Reichardt <[email protected]>
+ */
+
+#include <sys/zio_checksum.h>
+#include <sys/zfs_context.h>
+#include <sys/zfs_impl.h>
+
+#include <sys/blake3.h>
+#include <sys/sha2.h>
+
+/*
+ * impl_ops - backend for implementations of algorithms
+ */
+const zfs_impl_t *impl_ops[] = {
+	&zfs_blake3_ops,
+	&zfs_sha256_ops,
+	&zfs_sha512_ops,
+	NULL
+};
+
+/*
+ * zfs_impl_get_ops - Get the API functions for an impl backend
+ */
+const zfs_impl_t *
+zfs_impl_get_ops(const char *algo)
+{
+	const zfs_impl_t **ops = impl_ops;
+
+	if (!algo || !*algo)
+		return (*ops);
+
+	for (; *ops; ops++) {
+		if (strcmp(algo, (*ops)->name) == 0)
+			break;
+	}
+
+	ASSERT3P(ops, !=, NULL);
+	return (*ops);
+}