xref: /illumos-gate/usr/src/uts/common/idmap/idmap_mod.c (revision dd72704bd9e794056c558153663c739e2012d721)
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 2008 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #include <sys/ddi.h>
28 #include <sys/sunddi.h>
29 #include <sys/modctl.h>
30 #ifdef	DEBUG
31 #include <sys/cmn_err.h>
32 #endif	/* DEBUG */
33 #include <sys/kidmap.h>
34 #include "kidmap_priv.h"
35 
36 
37 
38 
39 extern struct mod_ops mod_miscops;
40 
41 static struct modlmisc misc =
42 {
43 	&mod_miscops,
44 	"ID Mapping kernel module"
45 };
46 
47 static struct modlinkage linkage =
48 {
49 	MODREV_1,
50 	(void *) &misc,
51 	NULL
52 };
53 
54 
55 int
56 _init()
57 {
58 	int i;
59 
60 	if ((i =  mod_install(&linkage)) != 0) {
61 #ifdef	DEBUG
62 		cmn_err(CE_WARN, "idmap: Failed to load kernel module");
63 #endif	/* DEBUG */
64 		return (i);
65 	}
66 
67 	if (kidmap_start() != 0) {
68 #ifdef	DEBUG
69 		cmn_err(CE_WARN, "idmap: Failed to start");
70 #endif	/* DEBUG */
71 		return (i);
72 	}
73 
74 	return (i);
75 }
76 
77 int
78 _info(struct modinfo *modinfop)
79 {
80 	return (mod_info(&linkage, modinfop));
81 }
82 
83 int
84 _fini()
85 {
86 	int i;
87 
88 	if ((i = kidmap_stop()) != 0) {
89 		return (i);
90 	}
91 
92 	if ((i = mod_remove(&linkage)) != 0) {
93 #ifdef	DEBUG
94 		cmn_err(CE_WARN, "idmap: Failed to remove kernel module");
95 #endif	/* DEBUG */
96 		return (i);
97 	}
98 
99 	return (0);
100 }
101