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 * Copyright (c) 2006, 2010, Oracle and/or its affiliates. All rights reserved.
23 */
24
25 #include <pthread.h>
26
27 #include <topo_module.h>
28 #include <topo_string.h>
29 #include <topo_builtin.h>
30 #include <topo_error.h>
31 #include <topo_subr.h>
32
33 #include <cpu.h>
34 #include <hc.h>
35 #include <dev.h>
36 #include <fmd.h>
37 #include <mem.h>
38 #include <mod.h>
39 #include <pkg.h>
40 #include <svc.h>
41 #include <sw.h>
42 #include <zfs.h>
43
44 static const struct topo_builtin _topo_builtins[] = {
45 { "cpu", CPU_VERSION, cpu_init, cpu_fini },
46 { "dev", DEV_VERSION, dev_init, dev_fini },
47 { "fmd", FMD_VERSION, fmd_init, fmd_fini },
48 { "mem", MEM_VERSION, mem_init, mem_fini },
49 { "pkg", PKG_VERSION, pkg_init, pkg_fini },
50 { "svc", SVC_VERSION, svc_init, svc_fini },
51 { "sw", SW_VERSION, sw_init, sw_fini },
52 { "zfs", ZFS_VERSION, zfs_init, zfs_fini },
53 { "mod", MOD_VERSION, mod_init, mod_fini },
54 { "hc", HC_VERSION, hc_init, hc_fini }, /* hc must go last */
55 { NULL, 0, NULL, NULL }
56 };
57
58 static int
bltin_init(topo_mod_t * mp,topo_version_t version)59 bltin_init(topo_mod_t *mp, topo_version_t version)
60 {
61 const topo_builtin_t *bp;
62
63 for (bp = _topo_builtins; bp->bltin_name != NULL; bp++) {
64 if (strcmp(mp->tm_name, bp->bltin_name) == 0)
65 break;
66 }
67
68 mp->tm_data = (void *)bp;
69
70 if ((*bp->bltin_init)(mp, version) != 0 || mp->tm_info == NULL) {
71 if (mp->tm_errno == 0)
72 (void) topo_mod_seterrno(mp, ETOPO_MOD_INIT);
73 topo_dprintf(mp->tm_hdl, TOPO_DBG_ERR,
74 "unable initialize builtin module: %s: %s\n",
75 bp->bltin_name, topo_mod_errmsg(mp));
76 return (-1);
77 }
78
79 return (0);
80 }
81
82 static int
bltin_fini(topo_mod_t * mp)83 bltin_fini(topo_mod_t *mp)
84 {
85 topo_builtin_t *bp = mp->tm_data;
86
87 if (mp->tm_info != NULL) {
88 (*bp->bltin_fini)(mp);
89
90 }
91
92 return (0);
93 }
94
95 const topo_imodops_t topo_bltin_ops = {
96 bltin_init,
97 bltin_fini,
98 };
99
100 /*ARGSUSED*/
101 int
topo_builtin_create(topo_hdl_t * thp,const char * rootdir)102 topo_builtin_create(topo_hdl_t *thp, const char *rootdir)
103 {
104 const topo_builtin_t *bp;
105 topo_mod_t *mod;
106 ttree_t *tp;
107 tnode_t *rnode;
108
109 /*
110 * Create a scheme-specific topo tree for all builtins
111 */
112 for (bp = _topo_builtins; bp->bltin_name != NULL; bp++) {
113
114 /*
115 * Load scheme-specific module
116 */
117 if ((mod = topo_modhash_load(thp, bp->bltin_name, NULL,
118 &topo_bltin_ops, bp->bltin_version)) == NULL) {
119 topo_dprintf(thp, TOPO_DBG_ERR,
120 "unable to create scheme "
121 "tree for %s:%s\n", bp->bltin_name,
122 topo_hdl_errmsg(thp));
123 return (-1);
124 }
125 if ((tp = topo_tree_create(thp, mod, bp->bltin_name))
126 == NULL) {
127 topo_dprintf(thp, TOPO_DBG_ERR,
128 "unable to create scheme "
129 "tree for %s:%s\n", bp->bltin_name,
130 topo_hdl_errmsg(thp));
131 return (-1);
132 }
133 topo_list_append(&thp->th_trees, tp);
134
135 /*
136 * Call the enumerator on the root of the tree, with the
137 * scheme name as the name to enumerate. This will
138 * establish methods on the root node.
139 */
140 rnode = tp->tt_root;
141 if (topo_mod_enumerate(mod, rnode, mod->tm_name, rnode->tn_name,
142 rnode->tn_instance, rnode->tn_instance, NULL) < 0) {
143 /*
144 * If we see a failure, note it in the handle and
145 * drive on
146 */
147 (void) topo_hdl_seterrno(thp, ETOPO_ENUM_PARTIAL);
148 }
149
150 }
151
152 return (0);
153 }
154