xref: /titanic_50/usr/src/lib/fm/topo/modules/sun4v/sun4vpi/pi_top.c (revision 3f1e69bef33050bee99ea1e9992af13fc467281f)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 
22 /*
23  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 /*
28  * Create a topology node for a top level PRI node, one that is a child
29  * of the 'components' node.
30  */
31 #include <sys/types.h>
32 #include <strings.h>
33 #include <sys/fm/protocol.h>
34 #include <fm/topo_mod.h>
35 #include <fm/topo_hc.h>
36 #include "pi_impl.h"
37 
38 #define	_ENUM_NAME	"enum_top"
39 
40 /*
41  * This enumerator is the same as the generic enumerator, except that when
42  * the FMRI is created, the parent node must be NULL.  This is true for all
43  * top level nodes.
44  */
45 int
pi_enum_top(topo_mod_t * mod,md_t * mdp,mde_cookie_t mde_node,topo_instance_t inst,tnode_t * t_parent,const char * hc_name,tnode_t ** t_node)46 pi_enum_top(topo_mod_t *mod, md_t *mdp, mde_cookie_t mde_node,
47     topo_instance_t inst, tnode_t *t_parent, const char *hc_name,
48     tnode_t **t_node)
49 {
50 	int	result;
51 
52 	/*
53 	 * This is a top-level topology node and there is no resource data
54 	 * from which to generate an FMRI.  We use a NULL value for the FMRI
55 	 * parent when creating the FMRI for this node so that the underlying
56 	 * libtopo method does not fail.
57 	 */
58 	result = pi_enum_generic_impl(mod, mdp, mde_node, inst, t_parent,
59 	    NULL, hc_name, _ENUM_NAME, t_node, 0);
60 	return (result);
61 }
62