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 2009 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 #include <pthread.h> 27 28 #include <topo_module.h> 29 #include <topo_string.h> 30 #include <topo_builtin.h> 31 #include <topo_error.h> 32 #include <topo_subr.h> 33 34 #include <cpu.h> 35 #include <hc.h> 36 #include <dev.h> 37 #include <fmd.h> 38 #include <mem.h> 39 #include <mod.h> 40 #include <pkg.h> 41 #include <svc.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 { "zfs", ZFS_VERSION, zfs_init, zfs_fini }, 52 { "mod", MOD_VERSION, mod_init, mod_fini }, 53 { "hc", HC_VERSION, hc_init, hc_fini }, /* hc must go last */ 54 { NULL, 0, NULL, NULL } 55 }; 56 57 static int 58 bltin_init(topo_mod_t *mp, topo_version_t version) 59 { 60 const topo_builtin_t *bp; 61 62 for (bp = _topo_builtins; bp->bltin_name != NULL; bp++) { 63 if (strcmp(mp->tm_name, bp->bltin_name) == 0) 64 break; 65 } 66 67 mp->tm_data = (void *)bp; 68 69 if ((*bp->bltin_init)(mp, version) != 0 || mp->tm_info == NULL) { 70 if (mp->tm_errno == 0) 71 (void) topo_mod_seterrno(mp, ETOPO_MOD_INIT); 72 topo_dprintf(mp->tm_hdl, TOPO_DBG_ERR, 73 "unable initialize builtin module: %s: %s\n", 74 bp->bltin_name, topo_mod_errmsg(mp)); 75 return (-1); 76 } 77 78 return (0); 79 } 80 81 static int 82 bltin_fini(topo_mod_t *mp) 83 { 84 topo_builtin_t *bp = mp->tm_data; 85 86 if (mp->tm_info != NULL) { 87 (*bp->bltin_fini)(mp); 88 89 } 90 91 return (0); 92 } 93 94 const topo_imodops_t topo_bltin_ops = { 95 bltin_init, 96 bltin_fini, 97 }; 98 99 /*ARGSUSED*/ 100 int 101 topo_builtin_create(topo_hdl_t *thp, const char *rootdir) 102 { 103 const topo_builtin_t *bp; 104 topo_mod_t *mod; 105 ttree_t *tp; 106 tnode_t *rnode; 107 108 /* 109 * Create a scheme-specific topo tree for all builtins 110 */ 111 for (bp = _topo_builtins; bp->bltin_name != NULL; bp++) { 112 113 /* 114 * Load scheme-specific module 115 */ 116 if ((mod = topo_modhash_load(thp, bp->bltin_name, NULL, 117 &topo_bltin_ops, bp->bltin_version)) == NULL) { 118 topo_dprintf(thp, TOPO_DBG_ERR, 119 "unable to create scheme " 120 "tree for %s:%s\n", bp->bltin_name, 121 topo_hdl_errmsg(thp)); 122 return (-1); 123 } 124 if ((tp = topo_tree_create(thp, mod, bp->bltin_name)) 125 == NULL) { 126 topo_dprintf(thp, TOPO_DBG_ERR, 127 "unable to create scheme " 128 "tree for %s:%s\n", bp->bltin_name, 129 topo_hdl_errmsg(thp)); 130 return (-1); 131 } 132 topo_list_append(&thp->th_trees, tp); 133 134 /* 135 * Call the enumerator on the root of the tree, with the 136 * scheme name as the name to enumerate. This will 137 * establish methods on the root node. 138 */ 139 rnode = tp->tt_root; 140 if (topo_mod_enumerate(mod, rnode, mod->tm_name, rnode->tn_name, 141 rnode->tn_instance, rnode->tn_instance, NULL) < 0) { 142 /* 143 * If we see a failure, note it in the handle and 144 * drive on 145 */ 146 (void) topo_hdl_seterrno(thp, ETOPO_ENUM_PARTIAL); 147 } 148 149 } 150 151 return (0); 152 } 153