1 /* 2 * 3 * CDDL HEADER START 4 * 5 * The contents of this file are subject to the terms of the 6 * Common Development and Distribution License (the "License"). 7 * You may not use this file except in compliance with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 23 /* 24 * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 25 * Use is subject to license terms. 26 */ 27 28 #pragma ident "%Z%%M% %I% %E% SMI" 29 30 #include <stdio.h> 31 #include <stdlib.h> 32 #include <string.h> 33 #include <errno.h> 34 #include <ctype.h> 35 #include <alloca.h> 36 #include <limits.h> 37 #include <fm/topo_mod.h> 38 #include <sys/param.h> 39 #include <sys/systeminfo.h> 40 #include <sys/fm/protocol.h> 41 #include <sys/stat.h> 42 43 #include <topo_method.h> 44 #include <topo_subr.h> 45 #include <fmd.h> 46 47 static int fmd_enum(topo_mod_t *, tnode_t *, const char *, topo_instance_t, 48 topo_instance_t, void *, void *); 49 static void fmd_release(topo_mod_t *, tnode_t *); 50 static int fmd_fmri_nvl2str(topo_mod_t *, tnode_t *, topo_version_t, 51 nvlist_t *, nvlist_t **); 52 53 const topo_method_t fmd_methods[] = { 54 { TOPO_METH_NVL2STR, TOPO_METH_NVL2STR_DESC, TOPO_METH_NVL2STR_VERSION, 55 TOPO_STABILITY_INTERNAL, fmd_fmri_nvl2str }, 56 { NULL } 57 }; 58 59 static const topo_modops_t fmd_ops = 60 { fmd_enum, fmd_release }; 61 static const topo_modinfo_t fmd_info = 62 { FMD, FM_FMRI_SCHEME_FMD, FMD_VERSION, &fmd_ops }; 63 64 int 65 fmd_init(topo_mod_t *mod, topo_version_t version) 66 { 67 /* 68 * Turn on module debugging output 69 */ 70 if (getenv("TOPOFMDDEBUG")) 71 topo_mod_setdebug(mod); 72 73 topo_mod_dprintf(mod, "initializing fmd builtin\n"); 74 75 if (version != FMD_VERSION) 76 return (topo_mod_seterrno(mod, EMOD_VER_NEW)); 77 78 if (topo_mod_register(mod, &fmd_info, TOPO_VERSION) != 0) { 79 topo_mod_dprintf(mod, "failed to register fmd: " 80 "%s\n", topo_mod_errmsg(mod)); 81 return (-1); /* mod errno already set */ 82 } 83 84 return (0); 85 } 86 87 void 88 fmd_fini(topo_mod_t *mod) 89 { 90 topo_mod_unregister(mod); 91 } 92 93 94 /*ARGSUSED*/ 95 int 96 fmd_enum(topo_mod_t *mod, tnode_t *pnode, const char *name, topo_instance_t min, 97 topo_instance_t max, void *notused1, void *notused2) 98 { 99 (void) topo_method_register(mod, pnode, fmd_methods); 100 return (0); 101 } 102 103 /*ARGSUSED*/ 104 static void 105 fmd_release(topo_mod_t *mp, tnode_t *node) 106 { 107 topo_method_unregister_all(mp, node); 108 } 109 110 static ssize_t 111 fmri_nvl2str(nvlist_t *nvl, char *buf, size_t buflen) 112 { 113 char *name; 114 115 if (nvlist_lookup_string(nvl, FM_FMRI_FMD_NAME, &name) != 0) 116 return (0); 117 118 return (snprintf(buf, buflen, 119 "%s:///module/%s", FM_FMRI_SCHEME_FMD, name)); 120 } 121 122 /*ARGSUSED*/ 123 static int 124 fmd_fmri_nvl2str(topo_mod_t *mod, tnode_t *node, topo_version_t version, 125 nvlist_t *nvl, nvlist_t **out) 126 { 127 ssize_t len; 128 char *name = NULL; 129 nvlist_t *fmristr; 130 131 if (version > TOPO_METH_NVL2STR_VERSION) 132 return (topo_mod_seterrno(mod, EMOD_VER_NEW)); 133 134 if ((len = fmri_nvl2str(nvl, NULL, 0)) == 0 || 135 (name = topo_mod_alloc(mod, len + 1)) == NULL || 136 fmri_nvl2str(nvl, name, len + 1) == 0) { 137 if (name != NULL) 138 topo_mod_free(mod, name, len + 1); 139 return (topo_mod_seterrno(mod, EMOD_FMRI_NVL)); 140 } 141 142 if (topo_mod_nvalloc(mod, &fmristr, NV_UNIQUE_NAME) != 0) { 143 topo_mod_free(mod, name, len + 1); 144 return (topo_mod_seterrno(mod, EMOD_FMRI_NVL)); 145 } 146 if (nvlist_add_string(fmristr, "fmri-string", name) != 0) { 147 topo_mod_free(mod, name, len + 1); 148 nvlist_free(fmristr); 149 return (topo_mod_seterrno(mod, EMOD_FMRI_NVL)); 150 } 151 topo_mod_free(mod, name, len + 1); 152 *out = fmristr; 153 154 return (0); 155 } 156