pi_generic.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 generic topology node for a given PRI node.
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_generic"
38
39/* Topo methods definitions */
40extern nvlist_t *pi_meths;
41
42int
43pi_enum_generic(topo_mod_t *mod, md_t *mdp, mde_cookie_t mde_node,
44    topo_instance_t inst, tnode_t *t_parent, const char *hc_name,
45    tnode_t **t_node)
46{
47	int		result;
48
49	/*
50	 * For a generic node that is not a top-level node, we use the
51	 * same parent topology node to generate the FMRI as well as
52	 * to bind the new node.
53	 */
54	result = pi_enum_generic_impl(mod, mdp, mde_node, inst, t_parent,
55	    t_parent, hc_name, _ENUM_NAME, t_node, 0);
56
57	return (result);
58}
59
60
61/*
62 * Create a generic topo node based on the PRI information in the machine
63 * description information.
64 */
65int
66pi_enum_generic_impl(topo_mod_t *mod, md_t *mdp, mde_cookie_t mde_node,
67    topo_instance_t inst, tnode_t *t_bindparent, tnode_t *t_fmriparent,
68    const char *hc_name, const char *enum_name, tnode_t **t_node, int flag)
69{
70	nvlist_t	*fmri;
71	nvlist_t	*auth;
72	uint64_t	maddr;
73	char		*serial = NULL;
74
75	topo_mod_dprintf(mod, "%s adding entry for node_0x%llx type %s\n",
76	    enum_name, (uint64_t)mde_node, hc_name);
77
78	if (t_bindparent == NULL) {
79		topo_mod_dprintf(mod,
80		    "%s called with NULL parent for node_0x%llx type %s\n",
81		    enum_name, (uint64_t)mde_node, hc_name);
82		return (-1);
83	}
84
85	/* Create the FMRI for this node */
86	auth = topo_mod_auth(mod, t_bindparent);
87	if (flag & SUN4VPI_ENUM_ADD_SERIAL)
88		serial = pi_get_serial(mod, mdp, mde_node);
89
90	fmri = topo_mod_hcfmri(mod, t_fmriparent, FM_HC_SCHEME_VERSION, hc_name,
91	    inst, NULL, auth, NULL, NULL, serial);
92
93	if (serial != NULL)
94		topo_mod_strfree(mod, serial);
95	nvlist_free(auth);
96
97	if (fmri == NULL) {
98		topo_mod_dprintf(mod,
99		    "%s failed to create fmri node_0x%llx: %s\n", enum_name,
100		    (uint64_t)mde_node, topo_strerror(topo_mod_errno(mod)));
101		return (-1);
102	}
103
104	/* Bind this node to the parent */
105	*t_node = pi_node_bind(mod, mdp, mde_node, t_bindparent, hc_name, inst,
106	    fmri);
107	nvlist_free(fmri);
108	if (*t_node == NULL) {
109		topo_mod_dprintf(mod,
110		    "%s failed to bind node_0x%llx instance %d: %s\n",
111		    enum_name, (uint64_t)mde_node, (uint32_t)inst,
112		    topo_strerror(topo_mod_errno(mod)));
113		return (-1);
114	}
115
116	/* Register topo methods that match hc_name */
117	if (nvlist_lookup_uint64(pi_meths, hc_name, &maddr) == 0 &&
118	    topo_method_register(mod, *t_node,
119	    (topo_method_t *)(uintptr_t)maddr) != 0)
120		topo_mod_dprintf(mod,
121		    "failed to register methods for node_0x%llx type %s\n",
122		    (uint64_t)mde_node, hc_name);
123
124	topo_mod_dprintf(mod, "%s added node_0x%llx type %s\n",
125	    enum_name, (uint64_t)mde_node, hc_name);
126
127	return (0);
128}
129