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%d/%s%d) failed: %s\n",
109 topo_node_name(parent), topo_node_instance(parent),
110 name, i,
111 topo_strerror(topo_mod_errno(mod)));
112 return (NULL);
113 }
114
115 topo_node_setspecific(ntn, priv);
116 if (topo_pgroup_create(ntn, &xfp_auth_pgroup, &err) == 0) {
117 (void) topo_prop_inherit(ntn, FM_FMRI_AUTHORITY,
118 FM_FMRI_AUTH_PRODUCT, &err);
119 (void) topo_prop_inherit(ntn, FM_FMRI_AUTHORITY,
120 FM_FMRI_AUTH_PRODUCT_SN, &err);
121 (void) topo_prop_inherit(ntn, FM_FMRI_AUTHORITY,
122 FM_FMRI_AUTH_CHASSIS, &err);
123 (void) topo_prop_inherit(ntn, FM_FMRI_AUTHORITY,
124 FM_FMRI_AUTH_SERVER, &err);
125 }
126 return (ntn);
127 }
128 static int
xfp_fru_set(topo_mod_t * mp,tnode_t * tn)129 xfp_fru_set(topo_mod_t *mp, tnode_t *tn)
130 {
131 nvlist_t *fmri;
132 int err, e;
133
134 if (topo_node_resource(tn, &fmri, &err) < 0 ||
135 fmri == NULL) {
136 topo_mod_dprintf(mp, "FRU_fmri_set error: %s\n",
137 topo_strerror(topo_mod_errno(mp)));
138 return (topo_mod_seterrno(mp, err));
139 }
140 e = topo_node_fru_set(tn, fmri, 0, &err);
141 nvlist_free(fmri);
142 if (e < 0)
143 return (topo_mod_seterrno(mp, err));
144 return (0);
145 }
146 static int
xfp_label_set(topo_mod_t * mod,tnode_t * parent,tnode_t * node,topo_instance_t n)147 xfp_label_set(topo_mod_t *mod, tnode_t *parent, tnode_t *node,
148 topo_instance_t n)
149 {
150 char *label = NULL;
151 char *plabel = NULL;
152 const char *xfplabel = "/XFP";
153 int err, len;
154
155 if (topo_node_label(parent, &plabel, &err) != 0 ||
156 plabel == NULL) {
157 return (-1);
158 }
159
160 len = strlen(plabel) + strlen(xfplabel) + 2;
161 label = topo_mod_alloc(mod, len);
162 (void) snprintf(label, len, "%s%s%d", plabel, xfplabel, n);
163 topo_mod_strfree(mod, plabel);
164
165 if (label != NULL) {
166 if (topo_prop_set_string(node, TOPO_PGROUP_PROTOCOL,
167 TOPO_PROP_LABEL, TOPO_PROP_IMMUTABLE, label,
168 &err) != 0) {
169 topo_mod_strfree(mod, label);
170 return (topo_mod_seterrno(mod, err));
171 }
172 }
173 topo_mod_free(mod, label, len);
174 return (0);
175 }
176 /*ARGSUSED*/
177 static tnode_t *
xfp_declare(tnode_t * parent,const char * name,topo_instance_t i,void * priv,topo_mod_t * mod)178 xfp_declare(tnode_t *parent, const char *name, topo_instance_t i,
179 void *priv, topo_mod_t *mod)
180 {
181 tnode_t *ntn;
182 nvlist_t *fmri = NULL;
183 int e;
184
185 if ((ntn = xfp_tnode_create(mod, parent, name, i, NULL)) == NULL) {
186 topo_mod_dprintf(mod, "%s ntn = NULL\n", name);
187 return (NULL);
188 }
189
190 (void) xfp_fru_set(mod, ntn);
191
192 (void) xfp_label_set(mod, parent, ntn, i);
193 /* set ASRU to resource fmri */
194 if (topo_prop_get_fmri(ntn, TOPO_PGROUP_PROTOCOL,
195 TOPO_PROP_RESOURCE, &fmri, &e) == 0)
196 (void) topo_node_asru_set(ntn, fmri, 0, &e);
197 nvlist_free(fmri);
198
199 return (ntn);
200 }
201
202 /*ARGSUSED*/
203 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)204 xfp_enum(topo_mod_t *mod, tnode_t *rnode, const char *name,
205 topo_instance_t min, topo_instance_t max, void *notused, void *data)
206 {
207 if (strcmp(name, XFP) != 0) {
208 topo_mod_dprintf(mod,
209 "Currently only know how to enumerate %s components.\n",
210 XFP);
211 return (0);
212 }
213 if (xfp_declare(rnode, name, min, data, mod) == NULL)
214 return (-1);
215
216 return (0);
217 }
218