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 * Copyright 2020 Joyent, Inc. 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 <sw.h> 43 #include <zfs.h> 44 45 static const struct topo_builtin _topo_builtins[] = { 46 { "cpu", CPU_VERSION, cpu_init, cpu_fini, TOPO_BLTIN_TYPE_TREE }, 47 { "dev", DEV_VERSION, dev_init, dev_fini, TOPO_BLTIN_TYPE_TREE }, 48 { "fmd", FMD_VERSION, fmd_init, fmd_fini, TOPO_BLTIN_TYPE_TREE }, 49 { "mem", MEM_VERSION, mem_init, mem_fini, TOPO_BLTIN_TYPE_TREE }, 50 { "pkg", PKG_VERSION, pkg_init, pkg_fini, TOPO_BLTIN_TYPE_TREE }, 51 { "svc", SVC_VERSION, svc_init, svc_fini, TOPO_BLTIN_TYPE_TREE }, 52 { "sw", SW_VERSION, sw_init, sw_fini, TOPO_BLTIN_TYPE_TREE }, 53 { "zfs", ZFS_VERSION, zfs_init, zfs_fini, TOPO_BLTIN_TYPE_TREE }, 54 { "mod", MOD_VERSION, mod_init, mod_fini, TOPO_BLTIN_TYPE_TREE }, 55 /* hc must go last */ 56 { "hc", HC_VERSION, hc_init, hc_fini, TOPO_BLTIN_TYPE_TREE }, 57 { NULL, 0, NULL, NULL, 0 } 58 }; 59 60 static int 61 bltin_init(topo_mod_t *mp, topo_version_t version) 62 { 63 const topo_builtin_t *bp; 64 65 for (bp = _topo_builtins; bp->bltin_name != NULL; bp++) { 66 if (strcmp(mp->tm_name, bp->bltin_name) == 0) 67 break; 68 } 69 70 mp->tm_data = (void *)bp; 71 72 if ((*bp->bltin_init)(mp, version) != 0 || mp->tm_info == NULL) { 73 if (mp->tm_errno == 0) 74 (void) topo_mod_seterrno(mp, ETOPO_MOD_INIT); 75 topo_dprintf(mp->tm_hdl, TOPO_DBG_ERR, 76 "unable initialize builtin module: %s: %s\n", 77 bp->bltin_name, topo_mod_errmsg(mp)); 78 return (-1); 79 } 80 81 return (0); 82 } 83 84 static int 85 bltin_fini(topo_mod_t *mp) 86 { 87 topo_builtin_t *bp = mp->tm_data; 88 89 if (mp->tm_info != NULL) { 90 (*bp->bltin_fini)(mp); 91 92 } 93 94 return (0); 95 } 96 97 const topo_imodops_t topo_bltin_ops = { 98 bltin_init, 99 bltin_fini, 100 }; 101 102 /*ARGSUSED*/ 103 int 104 topo_builtin_create(topo_hdl_t *thp, const char *rootdir) 105 { 106 const topo_builtin_t *bp; 107 topo_mod_t *mod; 108 ttree_t *tp; 109 tnode_t *rnode; 110 topo_digraph_t *tdg; 111 112 /* 113 * Create a scheme-specific topo tree for all builtins 114 */ 115 for (bp = _topo_builtins; bp->bltin_name != NULL; bp++) { 116 117 /* 118 * Load scheme-specific module 119 */ 120 if ((mod = topo_modhash_load(thp, bp->bltin_name, NULL, 121 &topo_bltin_ops, bp->bltin_version)) == NULL) { 122 topo_dprintf(thp, TOPO_DBG_ERR, 123 "unable to create scheme " 124 "topology for %s:%s\n", bp->bltin_name, 125 topo_hdl_errmsg(thp)); 126 return (-1); 127 } 128 switch (bp->bltin_type) { 129 case TOPO_BLTIN_TYPE_TREE: 130 if ((tp = topo_tree_create(thp, mod, bp->bltin_name)) 131 == NULL) { 132 topo_dprintf(thp, TOPO_DBG_ERR, "unable to " 133 "create scheme tree for %s:%s\n", 134 bp->bltin_name, topo_hdl_errmsg(thp)); 135 return (-1); 136 } 137 topo_list_append(&thp->th_trees, tp); 138 139 rnode = tp->tt_root; 140 break; 141 case TOPO_BLTIN_TYPE_DIGRAPH: 142 if ((tdg = topo_digraph_new(thp, mod, bp->bltin_name)) 143 == NULL) { 144 topo_dprintf(thp, TOPO_DBG_ERR, "unable to " 145 "create scheme digraph for %s:%s\n", 146 bp->bltin_name, topo_hdl_errmsg(thp)); 147 return (-1); 148 } 149 topo_list_append(&thp->th_digraphs, tdg); 150 151 rnode = tdg->tdg_rootnode; 152 break; 153 default: 154 topo_dprintf(thp, TOPO_DBG_ERR, "unexpected topology " 155 "type: %u", bp->bltin_type); 156 return (-1); 157 } 158 if (topo_mod_enumerate(mod, rnode, mod->tm_name, 159 rnode->tn_name, rnode->tn_instance, rnode->tn_instance, 160 NULL) < 0) { 161 /* 162 * If we see a failure, note it in the handle and drive 163 * on 164 */ 165 (void) topo_hdl_seterrno(thp, ETOPO_ENUM_PARTIAL); 166 } 167 } 168 169 return (0); 170 } 171