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 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 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 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