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