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 /* 23 * Copyright (c) 2004, 2010, Oracle and/or its affiliates. All rights reserved. 24 */ 25 26 #include <fmd_module.h> 27 #include <fmd_subr.h> 28 #include <fmd_error.h> 29 #include <fmd_string.h> 30 #include <fmd_event.h> 31 #include <fmd_builtin.h> 32 #include <zone.h> 33 34 static const struct fmd_builtin _fmd_builtins[] = { 35 { "fmd-self-diagnosis", self_init, self_fini, FMD_BUILTIN_ALLCTXT }, 36 { "sysevent-transport", sysev_init, sysev_fini, 37 FMD_BUILTIN_CTXT_GLOBALZONE }, 38 { NULL, NULL, NULL, 0 } 39 }; 40 41 static int 42 bltin_init(fmd_module_t *mp) 43 { 44 const fmd_builtin_t *bp; 45 46 for (bp = _fmd_builtins; bp->bltin_name != NULL; bp++) { 47 if (strcmp(mp->mod_name, bp->bltin_name) == 0) 48 break; 49 } 50 51 if (bp == NULL) 52 return (fmd_set_errno(EFMD_BLTIN_NAME)); 53 54 if (bp->bltin_init == NULL) 55 return (fmd_set_errno(EFMD_BLTIN_INIT)); 56 57 mp->mod_data = (void *)bp; 58 (void) pthread_mutex_unlock(&mp->mod_lock); 59 60 /* 61 * Call _fmd_init() in the module. If this causes a module abort and 62 * mod_info has been registered, unregister it on behalf of the module. 63 */ 64 if (fmd_module_enter(mp, bp->bltin_init) != 0 && mp->mod_info != NULL) 65 fmd_hdl_unregister((fmd_hdl_t *)mp); 66 67 fmd_module_exit(mp); 68 (void) pthread_mutex_lock(&mp->mod_lock); 69 70 if (mp->mod_info == NULL) 71 return (fmd_set_errno(EFMD_HDL_INIT)); 72 73 return (0); 74 } 75 76 static int 77 bltin_fini(fmd_module_t *mp) 78 { 79 fmd_builtin_t *bp = mp->mod_data; 80 81 if (mp->mod_info != NULL) { 82 (void) fmd_module_enter(mp, bp->bltin_fini); 83 84 if (mp->mod_info != NULL) { 85 fmd_module_lock(mp); 86 fmd_module_unregister(mp); 87 fmd_module_unlock(mp); 88 } 89 90 fmd_module_exit(mp); 91 } 92 93 return (0); 94 } 95 96 const fmd_modops_t fmd_bltin_ops = { 97 bltin_init, 98 bltin_fini, 99 fmd_module_dispatch, 100 fmd_module_transport, 101 }; 102 103 int 104 fmd_builtin_loadall(fmd_modhash_t *mhp) 105 { 106 const fmd_builtin_t *bp; 107 uint32_t ctxt = 0; 108 int err = 0; 109 110 ctxt |= (getzoneid() == GLOBAL_ZONEID) ? FMD_BUILTIN_CTXT_GLOBALZONE : 111 FMD_BUILTIN_CTXT_NONGLOBALZONE; 112 113 for (bp = _fmd_builtins; bp->bltin_name != NULL; bp++) { 114 if (!(ctxt & bp->bltin_ctxts)) 115 continue; 116 117 if (fmd_modhash_load(mhp, bp->bltin_name, 118 &fmd_bltin_ops) == NULL) 119 err = -1; 120 } 121 122 return (err); 123 } 124