1 /* $NetBSD: compat_30_mod.c,v 1.3 2019/12/28 15:39:52 pgoyette Exp $ */
2
3 /*-
4 * Copyright (c) 2018 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software developed for The NetBSD Foundation
8 * by Paul Goyette
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32 /*
33 * Linkage for the compat module: spaghetti.
34 */
35
36 #include <sys/cdefs.h>
37 __KERNEL_RCSID(0, "$NetBSD: compat_30_mod.c,v 1.3 2019/12/28 15:39:52 pgoyette Exp $");
38
39 #if defined(_KERNEL_OPT)
40 #include "opt_compat_netbsd.h"
41 #endif
42
43 #include <sys/systm.h>
44 #include <sys/module.h>
45 #include <sys/sysctl.h>
46 #include <sys/syscall.h>
47 #include <sys/syscallvar.h>
48 #include <sys/syscallargs.h>
49
50 #include <dev/biovar.h>
51
52 #include <compat/common/compat_util.h>
53 #include <compat/common/compat_mod.h>
54
55 int
compat_30_init(void)56 compat_30_init(void)
57 {
58 int error = 0;
59
60 error = vfs_syscalls_30_init();
61 if (error != 0)
62 return error;
63
64 error = kern_time_30_init();
65 if (error != 0) {
66 vfs_syscalls_30_fini();
67 return error;
68 }
69 error = uipc_syscalls_30_init();
70 if (error != 0) {
71 kern_time_30_fini();
72 vfs_syscalls_30_fini();
73 return error;
74 }
75 bio_30_init();
76 vnd_30_init();
77 usb_30_init();
78
79 return error;
80 }
81
82 int
compat_30_fini(void)83 compat_30_fini(void)
84 {
85 int error = 0;
86
87 usb_30_fini();
88 vnd_30_fini();
89 bio_30_fini();
90
91 error = uipc_syscalls_30_fini();
92 if (error != 0)
93 goto err1;
94
95 error = kern_time_30_fini();
96 if (error != 0)
97 goto err2;
98
99 error = vfs_syscalls_30_fini();
100 if (error != 0)
101 goto err3;
102
103 return 0;
104
105 err3:
106 kern_time_30_init();
107 err2:
108 uipc_syscalls_30_init();
109 err1:
110 bio_30_init();
111 vnd_30_init();
112 usb_30_init();
113
114 return error;
115 }
116
117 MODULE(MODULE_CLASS_EXEC, compat_30, "compat_util,compat_40");
118
119 static int
compat_30_modcmd(modcmd_t cmd,void * arg)120 compat_30_modcmd(modcmd_t cmd, void *arg)
121 {
122
123 switch (cmd) {
124 case MODULE_CMD_INIT:
125 return compat_30_init();
126 case MODULE_CMD_FINI:
127 return compat_30_fini();
128 default:
129 return ENOTTY;
130 }
131 }
132