xref: /titanic_52/usr/src/lib/fm/topo/modules/sun4v/sun4vpi/pi_hostbridge.c (revision 73a0bd151c1115bf39cc2caa30c7cbfdd86361c1)
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 2009 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 /*
28  * Create a topology node for a PRI node of type 'hostbridge'
29  */
30 #include <sys/types.h>
31 #include <strings.h>
32 #include <sys/fm/protocol.h>
33 #include <fm/topo_mod.h>
34 #include <fm/topo_hc.h>
35 #include "pi_impl.h"
36 
37 #define	_ENUM_NAME		"enum_hostbridge"
38 
39 
40 /*
41  * Create a hostbridge topo node.
42  */
43 int
44 pi_enum_hostbridge(topo_mod_t *mod, md_t *mdp, mde_cookie_t mde_node,
45     topo_instance_t inst, tnode_t *t_parent, const char *hc_name,
46     tnode_t **t_node)
47 {
48 	int		result;
49 
50 	topo_mod_dprintf(mod, "%s called for node_0x%llx type %s\n",
51 	    _ENUM_NAME, (uint64_t)mde_node, hc_name);
52 
53 	*t_node = NULL;
54 
55 	/*
56 	 * Create the hostbridge topo node.  Use the generic enumerator to
57 	 * do this, and then we will add more attributes below.
58 	 */
59 	result = pi_enum_generic_impl(mod, mdp, mde_node, inst, t_parent,
60 	    t_parent, hc_name, _ENUM_NAME, t_node, 0);
61 	if (result != 0 || *t_node == NULL) {
62 		topo_mod_dprintf(mod,
63 		    "%s node_0x%llx failed to create topo node: %s\n",
64 		    _ENUM_NAME, (uint64_t)mde_node,
65 		    topo_strerror(topo_mod_errno(mod)));
66 		return (result);
67 	}
68 
69 	/* Update the topo node with more specific information */
70 	result = pi_enum_update(mod, mdp, mde_node, t_parent, *t_node,
71 	    hc_name);
72 	if (result != 0) {
73 		topo_mod_dprintf(mod,
74 		    "%s node_0x%llx failed to create node properites: %s\n",
75 		    _ENUM_NAME, (uint64_t)mde_node,
76 		    topo_strerror(topo_mod_errno(mod)));
77 		return (result);
78 	}
79 
80 	topo_mod_dprintf(mod, "%s added node_0x%llx type %s\n",
81 	    _ENUM_NAME, (uint64_t)mde_node, hc_name);
82 
83 	return (result);
84 }
85