te
Copyright (c) 2006, Sun Microsystems, Inc., All Rights Reserved
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]
DDI_ROOT_NODE 9F "Jan 16, 2006"
NAME
ddi_root_node - get the root of the dev_info tree
SYNOPSIS
#include <sys/conf.h>
#include <sys/ddi.h>
#include <sys/sunddi.h>



dev_info_t *ddi_root_node(void);
INTERFACE LEVEL
illumos DDI specific (illumos DDI).
DESCRIPTION
The ddi_root_node() function returns a pointer to the root node of the device information tree.
RETURN VALUES
The ddi_root_node() function returns a pointer to a device information structure.
CONTEXT
The ddi_root_node() function can be called from user, interrupt, or kernel context.
SEE ALSO
Writing Device Drivers