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 <sys/fm/protocol.h>
31 /*
32 * xfp.c
33 * sun4v specific xfp enumerators
34 */
35
36 #ifdef __cplusplus
37 extern "C" {
38 #endif
39
40 #define XFP_VERSION TOPO_VERSION
41
42 static int xfp_enum(topo_mod_t *, tnode_t *, const char *, topo_instance_t,
43 topo_instance_t, void *, void *);
44
45 static const topo_modops_t xfp_ops =
46 { xfp_enum, NULL };
47
48 const topo_modinfo_t xfp_info =
49 {XFP, FM_FMRI_SCHEME_HC, XFP_VERSION, &xfp_ops};
50
51 static const topo_pgroup_info_t xfp_auth_pgroup = {
52 FM_FMRI_AUTHORITY,
53 TOPO_STABILITY_PRIVATE,
54 TOPO_STABILITY_PRIVATE,
55 1
56 };
57
58 /*ARGSUSED*/
59 int
_topo_init(topo_mod_t * mod,topo_version_t version)60 _topo_init(topo_mod_t *mod, topo_version_t version)
61 {
62 /*
63 * Turn on module debugging output
64 */
65 if (getenv("TOPOXFPDBG") != NULL)
66 topo_mod_setdebug(mod);
67 topo_mod_dprintf(mod, "initializing xfp enumerator\n");
68
69 if (topo_mod_register(mod, &xfp_info, TOPO_VERSION) < 0) {
70 topo_mod_dprintf(mod, "xfp registration failed: %s\n",
71 topo_mod_errmsg(mod));
72 return (-1); /* mod errno already set */
73 }
74 topo_mod_dprintf(mod, "xfp enum initd\n");
75 return (0);
76 }
77
78 void
_topo_fini(topo_mod_t * mod)79 _topo_fini(topo_mod_t *mod)
80 {
81 topo_mod_unregister(mod);
82 }
83
84 static tnode_t *
xfp_tnode_create(topo_mod_t * mod,tnode_t * parent,const char * name,topo_instance_t i,void * priv)85 xfp_tnode_create(topo_mod_t *mod, tnode_t *parent,
86 const char *name, topo_instance_t i, void *priv)
87 {
88 int err;
89 nvlist_t *fmri;
90 tnode_t *ntn;
91 nvlist_t *auth = topo_mod_auth(mod, parent);
92
93 fmri = topo_mod_hcfmri(mod, parent, FM_HC_SCHEME_VERSION, name, i,
94 NULL, auth, NULL, NULL, NULL);
95 nvlist_free(auth);
96
97 if (fmri == NULL) {
98 topo_mod_dprintf(mod,
99 "Unable to make nvlist for %s bind: %s.\n",
100 name, topo_mod_errmsg(mod));
101 return (NULL);
102 }
103
104 ntn = topo_node_bind(mod, parent, name, i, fmri);
105 nvlist_free(fmri);
106 if (ntn == NULL) {
107 topo_mod_dprintf(mod,
108 "topo_node_bind (%s%" PRIu64 "/%s%" PRIu64 ") failed: %s\n",
109 topo_node_name(parent), topo_node_instance(parent),
110 name, i, topo_strerror(topo_mod_errno(mod)));
111 return (NULL);
112 }
113
114 topo_node_setspecific(ntn, priv);
115 if (topo_pgroup_create(ntn, &xfp_auth_pgroup, &err) == 0) {
116 (void) topo_prop_inherit(ntn, FM_FMRI_AUTHORITY,
117 FM_FMRI_AUTH_PRODUCT, &err);
118 (void) topo_prop_inherit(ntn, FM_FMRI_AUTHORITY,
119 FM_FMRI_AUTH_PRODUCT_SN, &err);
120 (void) topo_prop_inherit(ntn, FM_FMRI_AUTHORITY,
121 FM_FMRI_AUTH_CHASSIS, &err);
122 (void) topo_prop_inherit(ntn, FM_FMRI_AUTHORITY,
123 FM_FMRI_AUTH_SERVER, &err);
124 }
125 return (ntn);
126 }
127 static int
xfp_fru_set(topo_mod_t * mp,tnode_t * tn)128 xfp_fru_set(topo_mod_t *mp, tnode_t *tn)
129 {
130 nvlist_t *fmri;
131 int err, e;
132
133 if (topo_node_resource(tn, &fmri, &err) < 0 ||
134 fmri == NULL) {
135 topo_mod_dprintf(mp, "FRU_fmri_set error: %s\n",
136 topo_strerror(topo_mod_errno(mp)));
137 return (topo_mod_seterrno(mp, err));
138 }
139 e = topo_node_fru_set(tn, fmri, 0, &err);
140 nvlist_free(fmri);
141 if (e < 0)
142 return (topo_mod_seterrno(mp, err));
143 return (0);
144 }
145 static int
xfp_label_set(topo_mod_t * mod,tnode_t * parent,tnode_t * node,topo_instance_t n)146 xfp_label_set(topo_mod_t *mod, tnode_t *parent, tnode_t *node,
147 topo_instance_t n)
148 {
149 char *label = NULL;
150 char *plabel = NULL;
151 const char *xfplabel = "/XFP";
152 int err, len;
153
154 if (topo_node_label(parent, &plabel, &err) != 0 ||
155 plabel == NULL) {
156 return (-1);
157 }
158
159 len = strlen(plabel) + strlen(xfplabel) + 2;
160 label = topo_mod_alloc(mod, len);
161 (void) snprintf(label, len, "%s%s%d", plabel, xfplabel, n);
162 topo_mod_strfree(mod, plabel);
163
164 if (label != NULL) {
165 if (topo_prop_set_string(node, TOPO_PGROUP_PROTOCOL,
166 TOPO_PROP_LABEL, TOPO_PROP_IMMUTABLE, label,
167 &err) != 0) {
168 topo_mod_strfree(mod, label);
169 return (topo_mod_seterrno(mod, err));
170 }
171 }
172 topo_mod_free(mod, label, len);
173 return (0);
174 }
175 /*ARGSUSED*/
176 static tnode_t *
xfp_declare(tnode_t * parent,const char * name,topo_instance_t i,void * priv,topo_mod_t * mod)177 xfp_declare(tnode_t *parent, const char *name, topo_instance_t i,
178 void *priv, topo_mod_t *mod)
179 {
180 tnode_t *ntn;
181 nvlist_t *fmri = NULL;
182 int e;
183
184 if ((ntn = xfp_tnode_create(mod, parent, name, i, NULL)) == NULL) {
185 topo_mod_dprintf(mod, "%s ntn = NULL\n", name);
186 return (NULL);
187 }
188
189 (void) xfp_fru_set(mod, ntn);
190
191 (void) xfp_label_set(mod, parent, ntn, i);
192 /* set ASRU to resource fmri */
193 if (topo_prop_get_fmri(ntn, TOPO_PGROUP_PROTOCOL,
194 TOPO_PROP_RESOURCE, &fmri, &e) == 0)
195 (void) topo_node_asru_set(ntn, fmri, 0, &e);
196 nvlist_free(fmri);
197
198 return (ntn);
199 }
200
201 /*ARGSUSED*/
202 static int
xfp_enum(topo_mod_t * mod,tnode_t * rnode,const char * name,topo_instance_t min,topo_instance_t max,void * notused,void * data)203 xfp_enum(topo_mod_t *mod, tnode_t *rnode, const char *name,
204 topo_instance_t min, topo_instance_t max, void *notused, void *data)
205 {
206 if (strcmp(name, XFP) != 0) {
207 topo_mod_dprintf(mod,
208 "Currently only know how to enumerate %s components.\n",
209 XFP);
210 return (0);
211 }
212 if (xfp_declare(rnode, name, min, data, mod) == NULL)
213 return (-1);
214
215 return (0);
216 }
217