1 /* $NetBSD: vnd_30.c,v 1.4 2019/12/12 02:15:42 pgoyette Exp $ */
2
3 /*-
4 * Copyright (c) 1996, 1997, 1998, 2008 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Jason R. Thorpe.
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 * Copyright (c) 1988 University of Utah.
34 * Copyright (c) 1990, 1993
35 * The Regents of the University of California. All rights reserved.
36 *
37 * This code is derived from software contributed to Berkeley by
38 * the Systems Programming Group of the University of Utah Computer
39 * Science Department.
40 *
41 * Redistribution and use in source and binary forms, with or without
42 * modification, are permitted provided that the following conditions
43 * are met:
44 * 1. Redistributions of source code must retain the above copyright
45 * notice, this list of conditions and the following disclaimer.
46 * 2. Redistributions in binary form must reproduce the above copyright
47 * notice, this list of conditions and the following disclaimer in the
48 * documentation and/or other materials provided with the distribution.
49 * 3. Neither the name of the University nor the names of its contributors
50 * may be used to endorse or promote products derived from this software
51 * without specific prior written permission.
52 *
53 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
54 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
55 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
56 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
57 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
58 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
59 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
60 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
61 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
62 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
63 * SUCH DAMAGE.
64 *
65 * from: Utah $Hdr: vn.c 1.13 94/04/02$
66 *
67 * @(#)vn.c 8.9 (Berkeley) 5/14/95
68 */
69
70 #include <sys/cdefs.h>
71 __KERNEL_RCSID(0, "$NetBSD: vnd_30.c,v 1.4 2019/12/12 02:15:42 pgoyette Exp $");
72
73 #if defined(_KERNEL_OPT)
74 #include "opt_compat_netbsd.h"
75 #endif
76
77 #include <sys/param.h>
78 #include <sys/systm.h>
79 #include <sys/proc.h>
80 #include <sys/errno.h>
81 #include <sys/malloc.h>
82 #include <sys/ioctl.h>
83 #include <sys/device.h>
84 #include <sys/disk.h>
85 #include <sys/stat.h>
86 #include <sys/vnode.h>
87 #include <sys/file.h>
88 #include <sys/uio.h>
89 #include <sys/conf.h>
90 #include <sys/vnode.h>
91 #include <sys/compat_stub.h>
92
93 #include <net/zlib.h>
94
95 #include <dev/vndvar.h>
96
97 #include <compat/common/compat_mod.h>
98
99 static int compat_30_vndioctl(u_long, struct lwp *, void *, int, struct vattr *,
100 int (*)(struct lwp *, void *, int, struct vattr *));
101
102 static int
compat_30_vndioctl(u_long cmd,struct lwp * l,void * data,int unit,struct vattr * vattr_p,int (* get)(struct lwp *,void *,int,struct vattr *))103 compat_30_vndioctl(u_long cmd, struct lwp *l, void *data, int unit,
104 struct vattr *vattr_p,
105 int (*get)(struct lwp *, void *, int, struct vattr *))
106 {
107 struct vnd_user30 *vnu = data;
108 int error;
109
110 if (cmd != VNDIOCGET30)
111 return EPASSTHROUGH;
112
113 error = (*get)(l, data, unit, vattr_p);
114 if (error != 0)
115 return error;
116
117 vnu->vnu_dev = vattr_p->va_fsid;
118 vnu->vnu_ino = vattr_p->va_fileid;
119 return 0;
120 }
121
122 void
vnd_30_init(void)123 vnd_30_init(void)
124 {
125
126 MODULE_HOOK_SET(compat_vndioctl_30_hook, compat_30_vndioctl);
127 }
128
129 void
vnd_30_fini(void)130 vnd_30_fini(void)
131 {
132
133 MODULE_HOOK_UNSET(compat_vndioctl_30_hook);
134 }
135