xref: /illumos-gate/usr/src/uts/common/io/ib/mgt/ibmf/ibmf_mod.c (revision 2570281cf351044b6936651ce26dbe1f801dcbd8)
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 2003 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 /*
28  * This file implements the _init(9e), _info(9e) and _fini(9e) functions.
29  */
30 
31 #include <sys/ib/mgt/ibmf/ibmf_impl.h>
32 
33 /* Module Info */
34 static struct modlmisc ibmf_modlmisc = {
35 	&mod_miscops,
36 	"IB Agent Interfaces 2.0"
37 };
38 
39 /* Module linkage */
40 static struct modlinkage ibmf_modlinkage = {
41 	MODREV_1,
42 	&ibmf_modlmisc,
43 	NULL
44 };
45 
46 static ibmf_state_t		ibmf_state;
47 ibmf_state_t			*ibmf_statep;
48 
49 extern int ibmf_init();
50 extern int ibmf_fini();
51 extern int ibmf_saa_impl_init();
52 extern int ibmf_saa_impl_fini();
53 
54 int
_init()55 _init()
56 {
57 	int status;
58 
59 	/* CONSTCOND */
60 	ASSERT(NO_COMPETING_THREADS);
61 
62 	ibmf_statep = &ibmf_state;
63 
64 	/*
65 	 * call ibmf_saa_init first so it can set up subnet list before being
66 	 * contacted with ibt_async events
67 	 */
68 	status = ibmf_saa_impl_init();
69 	if (status != IBMF_SUCCESS) {
70 		return (EACCES);
71 	}
72 
73 	status = ibmf_init();
74 	if (status != 0) {
75 		(void) ibmf_saa_impl_fini();
76 
77 		return (EACCES);
78 	}
79 
80 	status = mod_install(&ibmf_modlinkage);
81 	if (status != 0) {
82 		(void) ibmf_fini();
83 		ibmf_statep = NULL;
84 	}
85 
86 	return (status);
87 }
88 
89 int
_info(struct modinfo * modinfop)90 _info(struct modinfo *modinfop)
91 {
92 	return (mod_info(&ibmf_modlinkage, modinfop));
93 }
94 
95 int
_fini()96 _fini()
97 {
98 	int status;
99 	status = mod_remove(&ibmf_modlinkage);
100 	if (status != 0) {
101 		return (status);
102 	}
103 
104 	status = ibmf_saa_impl_fini();
105 	if (status != 0) {
106 		return (status);
107 	}
108 
109 	(void) ibmf_fini();
110 	ibmf_statep = NULL;
111 	return (status);
112 }
113