1 files changed, 67 insertions, 0 deletions
diff --git a/sys/contrib/openzfs/lib/libspl/libspl.c b/sys/contrib/openzfs/lib/libspl/libspl.c
new file mode 100644
index 000000000000..208b3e428536
--- /dev/null
+++ b/sys/contrib/openzfs/lib/libspl/libspl.c
@@ -0,0 +1,67 @@
+// SPDX-License-Identifier: CDDL-1.0
+/*
+ * 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) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2012, 2018 by Delphix. All rights reserved.
+ * Copyright (c) 2016 Actifio, Inc. All rights reserved.
+ * Copyright (c) 2025, Klara, Inc.
+ * Copyright (c) 2025, Rob Norris <robn@despairlabs.com>
+ */
+
+#include <libspl.h>
+#include <assert.h>
+#include <unistd.h>
+#include <sys/misc.h>
+#include <sys/systm.h>
+#include <sys/utsname.h>
+#include "libspl_impl.h"
+
+static uint64_t hw_physmem = 0;
+static struct utsname hw_utsname = {};
+
+uint64_t
+libspl_physmem(void)
+{
+	return (hw_physmem);
+}
+
+utsname_t *
+utsname(void)
+{
+	return (&hw_utsname);
+}
+
+void
+libspl_init(void)
+{
+	hw_physmem = sysconf(_SC_PHYS_PAGES);
+
+	VERIFY0(uname(&hw_utsname));
+
+	random_init();
+}
+
+void
+libspl_fini(void)
+{
+	random_fini();
+}