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#include <string.h>
28#include <fm/topo_mod.h>
29#include <fm/topo_hc.h>
30#include <libdevinfo.h>
31#include <limits.h>
32#include <sys/fm/protocol.h>
33#include <sys/param.h>
34#include <sys/systeminfo.h>
35#include <assert.h>
36
37/*
38 * zambezi.c
39 *	sun4v specific zambezi enumerators
40 */
41
42#ifdef __cplusplus
43extern "C" {
44#endif
45
46#define	ZAMBEZI_VERSION	TOPO_VERSION
47#define	ZAMBEZI_MAX	4
48
49static int zambezi_enum(topo_mod_t *, tnode_t *, const char *, topo_instance_t,
50		    topo_instance_t, void *, void *);
51
52static const topo_modops_t zambezi_ops =
53	{ zambezi_enum, NULL };
54
55const topo_modinfo_t zambezi_info =
56	{INTERCONNECT, FM_FMRI_SCHEME_HC, ZAMBEZI_VERSION, &zambezi_ops};
57
58static const topo_pgroup_info_t zambezi_auth_pgroup = {
59	FM_FMRI_AUTHORITY,
60	TOPO_STABILITY_PRIVATE,
61	TOPO_STABILITY_PRIVATE,
62	1
63};
64
65/*ARGSUSED*/
66void
67_topo_init(topo_mod_t *mod, topo_version_t version)
68{
69	/*
70	 * Turn on module debugging output
71	 */
72	if (getenv("TOPOZAMDBG") != NULL)
73		topo_mod_setdebug(mod);
74	topo_mod_dprintf(mod, "initializing zambezi enumerator\n");
75
76	if (topo_mod_register(mod, &zambezi_info, TOPO_VERSION) < 0) {
77		topo_mod_dprintf(mod, "zambezi registration failed: %s\n",
78		    topo_mod_errmsg(mod));
79		return; /* mod errno already set */
80	}
81	topo_mod_dprintf(mod, "zambezi enumr initd\n");
82}
83
84void
85_topo_fini(topo_mod_t *mod)
86{
87	topo_mod_unregister(mod);
88}
89
90static tnode_t *
91zam_tnode_create(topo_mod_t *mod, tnode_t *parent,
92    const char *name, topo_instance_t i, void *priv)
93{
94	int err;
95	nvlist_t *fmri;
96	tnode_t *ntn;
97	nvlist_t *auth = topo_mod_auth(mod, parent);
98
99	fmri = topo_mod_hcfmri(mod, parent, FM_HC_SCHEME_VERSION, name, i,
100	    NULL, auth, NULL, NULL, NULL);
101	nvlist_free(auth);
102
103	if (fmri == NULL) {
104		topo_mod_dprintf(mod,
105		    "Unable to make nvlist for %s bind: %s.\n",
106		    name, topo_mod_errmsg(mod));
107		return (NULL);
108	}
109
110	ntn = topo_node_bind(mod, parent, name, i, fmri);
111	nvlist_free(fmri);
112	if (ntn == NULL) {
113		topo_mod_dprintf(mod,
114		    "topo_node_bind (%s%d/%s%d) failed: %s\n",
115		    topo_node_name(parent), topo_node_instance(parent),
116		    name, i,
117		    topo_strerror(topo_mod_errno(mod)));
118		return (NULL);
119	}
120
121	topo_node_setspecific(ntn, priv);
122	if (topo_pgroup_create(ntn, &zambezi_auth_pgroup, &err) == 0) {
123		(void) topo_prop_inherit(ntn, FM_FMRI_AUTHORITY,
124		    FM_FMRI_AUTH_PRODUCT, &err);
125		(void) topo_prop_inherit(ntn, FM_FMRI_AUTHORITY,
126		    FM_FMRI_AUTH_PRODUCT_SN, &err);
127		(void) topo_prop_inherit(ntn, FM_FMRI_AUTHORITY,
128		    FM_FMRI_AUTH_CHASSIS, &err);
129		(void) topo_prop_inherit(ntn, FM_FMRI_AUTHORITY,
130		    FM_FMRI_AUTH_SERVER, &err);
131	}
132	return (ntn);
133}
134
135/*ARGSUSED*/
136static tnode_t *
137zam_declare(tnode_t *parent, const char *name, topo_instance_t i,
138	void *priv, topo_mod_t *mod)
139{
140	tnode_t *ntn;
141	nvlist_t *fmri = NULL;
142	int err;
143
144	if ((ntn = zam_tnode_create(mod, parent, name, i, NULL)) == NULL) {
145		topo_mod_dprintf(mod, "%s ntn = NULL\n", name);
146		return (NULL);
147	}
148	/* inherit FRU from parent */
149	(void) topo_node_fru_set(ntn, NULL, 0, &err);
150
151	/* inherit parent's label */
152	if (topo_node_label_set(ntn, NULL, &err) < 0) {
153		topo_mod_dprintf(mod, "cpuboard label error %d\n", err);
154	}
155
156	/* set ASRU to resource fmri */
157	if (topo_prop_get_fmri(ntn, TOPO_PGROUP_PROTOCOL,
158	    TOPO_PROP_RESOURCE, &fmri, &err) == 0)
159		(void) topo_node_asru_set(ntn, fmri, 0, &err);
160	nvlist_free(fmri);
161
162	return (ntn);
163}
164
165/*ARGSUSED*/
166static int
167zambezi_enum(topo_mod_t *mod, tnode_t *rnode, const char *name,
168	topo_instance_t min, topo_instance_t max, void *notused, void *data)
169{
170	int i;
171
172	if (strcmp(name, INTERCONNECT) != 0) {
173		topo_mod_dprintf(mod,
174		    "Currently only know how to enumerate %s components.\n",
175		    INTERCONNECT);
176		return (0);
177	}
178
179	if (max >= ZAMBEZI_MAX)
180		max = ZAMBEZI_MAX;
181
182	for (i = 0; i <= max; i++) {
183		if (zam_declare(rnode, name, i, data, mod) == NULL)
184			return (-1);
185	}
186
187	return (0);
188}
189