xref: /titanic_50/usr/src/uts/common/idmap/idmap_mod.c (revision 672986541be54a7a471bb088e60780c37e371d7e)
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 2007 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 #include <sys/ddi.h>
30 #include <sys/sunddi.h>
31 #include <sys/modctl.h>
32 #ifdef	DEBUG
33 #include <sys/cmn_err.h>
34 #endif	/* DEBUG */
35 #include <sys/kidmap.h>
36 #include "kidmap_priv.h"
37 
38 
39 
40 
41 extern struct mod_ops mod_miscops;
42 
43 static struct modlmisc misc =
44 {
45 	&mod_miscops,
46 	"ID Mapping kernel module"
47 };
48 
49 static struct modlinkage linkage =
50 {
51 	MODREV_1,
52 	(void *) &misc,
53 	NULL
54 };
55 
56 
57 int
58 _init()
59 {
60 	int i;
61 
62 	if ((i =  mod_install(&linkage)) != 0) {
63 #ifdef	DEBUG
64 		cmn_err(CE_WARN, "idmap: Failed to load kernel module");
65 #endif	/* DEBUG */
66 		return (i);
67 	}
68 
69 	if (kidmap_start() != 0) {
70 #ifdef	DEBUG
71 		cmn_err(CE_WARN, "idmap: Failed to start");
72 #endif	/* DEBUG */
73 		return (i);
74 	}
75 
76 	return (i);
77 }
78 
79 int
80 _info(struct modinfo *modinfop)
81 {
82 	return (mod_info(&linkage, modinfop));
83 }
84 
85 int
86 _fini()
87 {
88 	int i;
89 	idmap_reg_t *reg;
90 
91 	if ((i = kidmap_stop()) != 0) {
92 		return (i);
93 	}
94 
95 	if ((i = mod_remove(&linkage)) != 0) {
96 #ifdef	DEBUG
97 		cmn_err(CE_WARN, "idmap: Failed to remove kernel module");
98 #endif	/* DEBUG */
99 		return (i);
100 	}
101 
102 	return (0);
103 }
104