compat_50_mod.c revision 1.2 
1/*	$NetBSD: compat_50_mod.c,v 1.2 2019/01/27 02:08:39 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_50_mod.c,v 1.2 2019/01/27 02:08:39 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 <compat/sys/clockctl.h>
51
52#include <compat/common/compat_util.h>
53#include <compat/common/compat_mod.h>
54#include <compat/common/if_spppsubr50.h>
55
56#include <dev/wscons/wsevent_50.h>
57
58#include <fs/puffs/puffs_sys.h>
59
60int
61compat_50_init(void)
62{
63	int error = 0;
64
65	error = kern_50_init();
66	if (error != 0)
67		return error;
68
69	error = kern_time_50_init();
70	if (error != 0)
71		goto err1;
72
73	error = kern_select_50_init();
74	if (error != 0)
75		goto err2;
76
77	error = vfs_syscalls_50_init();
78	if (error != 0)
79		goto err3;
80
81	uvm_50_init();
82	uipc_syscalls_50_init();
83	clockctl_50_init();
84	if_spppsubr_50_init();
85	puffs_50_init();
86	wsevent_50_init();
87	vnd_50_init();
88	rndpseudo_50_init();
89	rtsock_50_init();
90
91	return error;
92
93/* If an error occured, undo all previous set-up before returning */
94
95 err3:
96	kern_select_50_fini();
97 err2:
98	kern_time_50_fini();
99 err1:
100	kern_50_fini();
101
102	return error;
103}
104
105int
106compat_50_fini(void)
107{
108	int error = 0;
109
110	rtsock_50_fini();
111	rndpseudo_50_fini();
112	vnd_50_fini();
113	wsevent_50_fini();
114	puffs_50_fini();
115	if_spppsubr_50_fini();
116	clockctl_50_fini();
117	uipc_syscalls_50_fini();
118	uvm_50_fini();
119
120	error = vfs_syscalls_50_fini();
121	if (error != 0)
122		goto err1;
123
124	error = kern_select_50_fini();
125	if (error != 0)
126		goto err2;
127
128	error = kern_time_50_fini();
129	if (error != 0)
130		goto err3;
131
132	error = kern_50_fini();
133	if (error != 0)
134		goto err4;
135
136	return error;
137
138/* If an error occurred while removing something, restore everything! */
139 err4:
140	kern_time_50_init();
141 err3:
142	kern_select_50_init();
143 err2:
144	vfs_syscalls_50_init();
145 err1:
146	uvm_50_init();
147	uipc_syscalls_50_init();
148	clockctl_50_init();
149	if_spppsubr_50_init();
150	puffs_50_init();
151	wsevent_50_init();
152	vnd_50_init();
153	rndpseudo_50_init();
154	rtsock_50_init();
155
156	return error;
157}
158
159MODULE(MODULE_CLASS_EXEC, compat_50, "compat_60");
160
161static int
162compat_50_modcmd(modcmd_t cmd, void *arg)
163{
164
165	switch (cmd) {
166	case MODULE_CMD_INIT:
167		return compat_50_init();
168	case MODULE_CMD_FINI:
169		return compat_50_fini();
170	default:
171		return ENOTTY;
172	}
173}
174