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
34static 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
41static int
42bltin_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
76static int
77bltin_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
96const fmd_modops_t fmd_bltin_ops = {
97	bltin_init,
98	bltin_fini,
99	fmd_module_dispatch,
100	fmd_module_transport,
101};
102
103int
104fmd_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