xref: /onnv-gate/usr/src/uts/intel/promif/prom_node.c (revision 789:b348f31ed315)
10Sstevel@tonic-gate /*
20Sstevel@tonic-gate  * CDDL HEADER START
30Sstevel@tonic-gate  *
40Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
50Sstevel@tonic-gate  * Common Development and Distribution License, Version 1.0 only
60Sstevel@tonic-gate  * (the "License").  You may not use this file except in compliance
70Sstevel@tonic-gate  * with the License.
80Sstevel@tonic-gate  *
90Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
100Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
110Sstevel@tonic-gate  * See the License for the specific language governing permissions
120Sstevel@tonic-gate  * and limitations under the License.
130Sstevel@tonic-gate  *
140Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
150Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
160Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
170Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
180Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
190Sstevel@tonic-gate  *
200Sstevel@tonic-gate  * CDDL HEADER END
210Sstevel@tonic-gate  */
220Sstevel@tonic-gate /*
230Sstevel@tonic-gate  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
240Sstevel@tonic-gate  * Use is subject to license terms.
250Sstevel@tonic-gate  */
260Sstevel@tonic-gate 
270Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
280Sstevel@tonic-gate 
290Sstevel@tonic-gate #include <sys/promif.h>
300Sstevel@tonic-gate #include <sys/promimpl.h>
310Sstevel@tonic-gate #include <sys/prom_emul.h>
320Sstevel@tonic-gate #include <sys/kmem.h>
330Sstevel@tonic-gate 
340Sstevel@tonic-gate /*
350Sstevel@tonic-gate  * Routines for walking the PROMs devinfo tree
360Sstevel@tonic-gate  * The prom tree is for /dev/openprom compatibility only,
370Sstevel@tonic-gate  * so we fail all calls except those needed by /dev/openprom
380Sstevel@tonic-gate  */
390Sstevel@tonic-gate 
400Sstevel@tonic-gate /*
410Sstevel@tonic-gate  * Return the root nodeid.
420Sstevel@tonic-gate  * Calling prom_nextnode(0) returns the root nodeid.
430Sstevel@tonic-gate  */
44*789Sahrens pnode_t
prom_rootnode(void)450Sstevel@tonic-gate prom_rootnode(void)
460Sstevel@tonic-gate {
47*789Sahrens 	static pnode_t rootnode;
480Sstevel@tonic-gate 
490Sstevel@tonic-gate 	return (rootnode ? rootnode : (rootnode = prom_nextnode(OBP_NONODE)));
500Sstevel@tonic-gate }
510Sstevel@tonic-gate 
52*789Sahrens pnode_t
prom_nextnode(pnode_t nodeid)53*789Sahrens prom_nextnode(pnode_t nodeid)
540Sstevel@tonic-gate {
550Sstevel@tonic-gate 	return (promif_nextnode(nodeid));
560Sstevel@tonic-gate }
570Sstevel@tonic-gate 
58*789Sahrens pnode_t
prom_childnode(pnode_t nodeid)59*789Sahrens prom_childnode(pnode_t nodeid)
600Sstevel@tonic-gate {
610Sstevel@tonic-gate 
620Sstevel@tonic-gate 	return (promif_childnode(nodeid));
630Sstevel@tonic-gate }
640Sstevel@tonic-gate 
650Sstevel@tonic-gate /*
660Sstevel@tonic-gate  * disallow searching
670Sstevel@tonic-gate  */
680Sstevel@tonic-gate /*ARGSUSED*/
69*789Sahrens pnode_t
prom_findnode_byname(pnode_t n,char * name)70*789Sahrens prom_findnode_byname(pnode_t n, char *name)
710Sstevel@tonic-gate {
720Sstevel@tonic-gate 	return (OBP_NONODE);
730Sstevel@tonic-gate }
740Sstevel@tonic-gate 
75*789Sahrens pnode_t
prom_chosennode(void)760Sstevel@tonic-gate prom_chosennode(void)
770Sstevel@tonic-gate {
780Sstevel@tonic-gate 	return (OBP_NONODE);
790Sstevel@tonic-gate }
800Sstevel@tonic-gate 
81*789Sahrens pnode_t
prom_optionsnode(void)820Sstevel@tonic-gate prom_optionsnode(void)
830Sstevel@tonic-gate {
840Sstevel@tonic-gate 	return (OBP_NONODE);
850Sstevel@tonic-gate }
860Sstevel@tonic-gate 
870Sstevel@tonic-gate /*ARGSUSED*/
88*789Sahrens pnode_t
prom_finddevice(char * path)890Sstevel@tonic-gate prom_finddevice(char *path)
900Sstevel@tonic-gate {
910Sstevel@tonic-gate 	return (OBP_BADNODE);
920Sstevel@tonic-gate }
930Sstevel@tonic-gate 
94*789Sahrens pnode_t
prom_alias_node(void)950Sstevel@tonic-gate prom_alias_node(void)
960Sstevel@tonic-gate {
970Sstevel@tonic-gate 	return (OBP_BADNODE);
980Sstevel@tonic-gate }
990Sstevel@tonic-gate 
1000Sstevel@tonic-gate /*ARGSUSED*/
1010Sstevel@tonic-gate void
prom_pathname(char * buf)1020Sstevel@tonic-gate prom_pathname(char *buf)
1030Sstevel@tonic-gate {
1040Sstevel@tonic-gate 	/* nothing, just to get consconfig_dacf to compile */
1050Sstevel@tonic-gate }
106