1/*	$NetBSD: linux32_ioctl.h,v 1.6 2021/11/25 03:08:04 ryo Exp $ */
2
3/*-
4 * Copyright (c) 1995-2006 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Frank van der Linden, Eric Haszlakiewicz, and Emmanuel Dreyfus.
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#ifndef _LINUX32_IOCTL_H
33#define _LINUX32_IOCTL_H
34
35#if defined(__aarch64__)
36#include <compat/linux32/arch/aarch64/linux32_ioctl.h>
37#elif defined(__amd64__)
38#include <compat/linux32/arch/amd64/linux32_ioctl.h>
39#else
40#error Undefined linux32_ioctl.h machine type.
41#endif
42
43#ifdef _KERNEL
44__BEGIN_DECLS
45struct linux32_sys_ioctl_args;
46int linux32_ioctl_termios(struct lwp *, const struct linux32_sys_ioctl_args *,
47    register_t *);
48int linux32_ioctl_socket(struct lwp *, const struct linux32_sys_ioctl_args *,
49    register_t *);
50__END_DECLS
51#endif
52
53#define	_LINUX32_IOC_NRMASK	((1 << _LINUX32_IOC_NRBITS) - 1)
54#define	_LINUX32_IOC_TYPEMASK	((1 << _LINUX32_IOC_TYPEBITS) - 1)
55#define	_LINUX32_IOC_SIZEMAEK	((1 << _LINUX32_IOC_SIZEBITS) - 1)
56#define _LINUX32_IOC_DIRMASK	((1 << _LINUX32_IOC_DIRBITS) - 1)
57
58#define	_LINUX32_IOC_TYPESHIFT	(_LINUX32_IOC_NRSHIFT + _LINUX32_IOC_NRBITS)
59#define	_LINUX32_IOC_SIZESHIFT	(_LINUX32_IOC_TYPESHIFT + _LINUX32_IOC_TYPEBITS)
60#define	_LINUX32_IOC_DIRSHIFT	(_LINUX32_IOC_SIZESHIFT + _LINUX32_IOC_SIZEBITS)
61
62#define	_LINUX32_IOC(dir,type,nr,size)		\
63	(((nr)   << _LINUX32_IOC_NRSHIFT) |	\
64	 ((type) << _LINUX32_IOC_TYPESHIFT) |	\
65	 ((size) << _LINUX32_IOC_SIZESHIFT) |	\
66	 ((dir)  << _LINUX32_IOC_DIRSHIFT))
67
68#define _LINUX32_IO(type,nr)		\
69    _LINUX32_IOC(_LINUX32_IOC_NONE,(type),(nr),0)
70#define	_LINUX32_IOR(type,nr,size)	\
71    _LINUX32_IOC(_LINUX32_IOC_READ,(type),(nr),sizeof(size))
72#define	_LINUX32_IOW(type,nr,size)	\
73    _LINUX32_IOC(_LINUX32_IOC_WRITE,(type),(nr),sizeof(size))
74#define	_LINUX32_IOWR(type,nr,size)	\
75    _LINUX32_IOC(_LINUX32_IOC_READ|_LINUX32_IOC_WRITE,(type),(nr),sizeof(size))
76
77#define _LINUX32_IOC_DIR(nr)	\
78	(((nr) >> _LINUX32_IOC_DIRSHIFT) & _LINUX32_IOC_DIRMASK)
79#define _LINUX32_IOC_TYPE(nr)	\
80	(((nr) >> _LINUX32_IOC_TYPESHIFT) & _LINUX32_IOC_TYPEMASK)
81#define _LINUX32_IOC_NR(nr)	\
82	(((nr) >> _LINUX32_IOC_NRSHIFT) & _LINUX32_IOC_NRMASK)
83#define _LINUX32_IOC_SIZE(nr)	\
84	(((nr) >> _LINUX32_IOC_SIZESHIFT) & _LINUX32_IOC_SIZEMASK)
85
86#define LINUX32_IOCGROUP(x)	_LINUX32_IOC_TYPE(x)
87
88#endif /* !_LINUX32_IOCTL_H */
89