xref: /illumos-gate/usr/src/uts/common/io/mac/mac_mod.c (revision 7c478bd95313f5f23a4c958a745db2134aa03244)
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, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * 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  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #pragma ident	"%Z%%M%	%I%	%E% SMI"
28 
29 /*
30  * MAC Services Module
31  */
32 
33 #include <sys/types.h>
34 #include <sys/conf.h>
35 #include <sys/stat.h>
36 #include <sys/stream.h>
37 #include <sys/modctl.h>
38 #include <sys/atomic.h>
39 
40 #include <sys/mac.h>
41 #include <sys/mac_impl.h>
42 
43 static struct modlmisc		i_mac_modlmisc = {
44 	&mod_miscops,
45 	MAC_INFO
46 };
47 
48 static struct modlinkage	i_mac_modlinkage = {
49 	MODREV_1,
50 	&i_mac_modlmisc,
51 	NULL
52 };
53 
54 /*
55  * Module initialization functions.
56  */
57 
58 static void
59 i_mac_mod_init(void)
60 {
61 	mac_init();
62 }
63 
64 static int
65 i_mac_mod_fini(void)
66 {
67 	int	err;
68 
69 	if ((err = mac_fini()) != 0)
70 		return (err);
71 
72 	return (0);
73 }
74 
75 /*
76  * modlinkage functions.
77  */
78 
79 int
80 _init(void)
81 {
82 	int	err;
83 
84 	i_mac_mod_init();
85 
86 	if ((err = mod_install(&i_mac_modlinkage)) != 0) {
87 		(void) i_mac_mod_fini();
88 		return (err);
89 	}
90 
91 #ifdef	DEBUG
92 	cmn_err(CE_NOTE, "!%s loaded", MAC_INFO);
93 #endif	/* DEBUG */
94 
95 	return (0);
96 }
97 
98 int
99 _fini(void)
100 {
101 	int	err;
102 
103 	if ((err = i_mac_mod_fini()) != 0)
104 		return (err);
105 
106 	if ((err = mod_remove(&i_mac_modlinkage)) != 0)
107 		return (err);
108 
109 #ifdef	DEBUG
110 	cmn_err(CE_NOTE, "!%s unloaded", MAC_INFO);
111 #endif	/* DEBUG */
112 
113 	return (0);
114 }
115 
116 int
117 _info(struct modinfo *modinfop)
118 {
119 	return (mod_info(&i_mac_modlinkage, modinfop));
120 }
121