xref: /illumos-gate/usr/src/uts/common/io/mac/mac_mod.c (revision 7a6d80f1660abd4755c68cbd094d4a914681d26e)
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 /*
28  * MAC Services Module
29  */
30 
31 #include <sys/types.h>
32 #include <sys/conf.h>
33 #include <sys/stat.h>
34 #include <sys/stream.h>
35 #include <sys/modctl.h>
36 #include <sys/atomic.h>
37 
38 #include <sys/mac.h>
39 #include <sys/mac_impl.h>
40 
41 static struct modlmisc		i_mac_modlmisc = {
42 	&mod_miscops,
43 	MAC_INFO
44 };
45 
46 static struct modlinkage	i_mac_modlinkage = {
47 	MODREV_1,
48 	&i_mac_modlmisc,
49 	NULL
50 };
51 
52 /*
53  * Module initialization functions.
54  */
55 
56 static void
57 i_mac_mod_init(void)
58 {
59 	mac_init();
60 }
61 
62 static int
63 i_mac_mod_fini(void)
64 {
65 	int	err;
66 
67 	if ((err = mac_fini()) != 0)
68 		return (err);
69 
70 	return (0);
71 }
72 
73 /*
74  * modlinkage functions.
75  */
76 
77 int
78 _init(void)
79 {
80 	int	err;
81 
82 	i_mac_mod_init();
83 
84 	if ((err = mod_install(&i_mac_modlinkage)) != 0) {
85 		(void) i_mac_mod_fini();
86 		return (err);
87 	}
88 
89 #ifdef	DEBUG
90 	cmn_err(CE_NOTE, "!%s loaded", MAC_INFO);
91 #endif	/* DEBUG */
92 
93 	return (0);
94 }
95 
96 int
97 _fini(void)
98 {
99 	int	err;
100 
101 	if ((err = i_mac_mod_fini()) != 0)
102 		return (err);
103 
104 	if ((err = mod_remove(&i_mac_modlinkage)) != 0)
105 		return (err);
106 
107 #ifdef	DEBUG
108 	cmn_err(CE_NOTE, "!%s unloaded", MAC_INFO);
109 #endif	/* DEBUG */
110 
111 	return (0);
112 }
113 
114 int
115 _info(struct modinfo *modinfop)
116 {
117 	return (mod_info(&i_mac_modlinkage, modinfop));
118 }
119