1 files changed, 44 insertions, 0 deletions
diff --git a/sys/sun4v/cddl/mdesc/mdesc_rootnode.c b/sys/sun4v/cddl/mdesc/mdesc_rootnode.c
new file mode 100644
index 0000000..2e4437a
--- /dev/null
+++ b/sys/sun4v/cddl/mdesc/mdesc_rootnode.c
@@ -0,0 +1,44 @@
+/*
+ * 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 http://www.opensolaris.org/os/licensing.
+ * 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
+ * $FreeBSD$
+ */
+
+/*
+ * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+
+#include <sys/types.h>
+#include <machine/cddl/mdesc.h>
+#include <machine/cddl/mdesc_impl.h>
+
+mde_cookie_t
+md_root_node(md_t *ptr)
+{
+	md_impl_t *mdp;
+
+	mdp = (md_impl_t *)ptr;
+
+	if (mdp->md_magic != LIBMD_MAGIC)
+		return (MDE_INVAL_ELEM_COOKIE);
+
+	return (mdp->root_node);
+}