1/* $NetBSD: linux_ioctl.h,v 1.27 2013/06/08 12:50:32 stacktic Exp $ */
2
3/*-
4 * Copyright (c) 1995, 1998 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 and Eric Haszlakiewicz.
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 _LINUX_IOCTL_H
33#define _LINUX_IOCTL_H
34
35struct linux_sys_ioctl_args;
36
37#ifdef _KERNEL
38__BEGIN_DECLS
39int linux_machdepioctl(struct lwp *, const struct linux_sys_ioctl_args *, register_t *);
40int linux_ioctl_cdrom(struct lwp *, const struct linux_sys_ioctl_args *,
41 register_t *);
42int linux_ioctl_termios(struct lwp *, const struct linux_sys_ioctl_args *,
43 register_t *);
44int linux_ioctl_socket(struct lwp *, const struct linux_sys_ioctl_args *,
45 register_t *);
46int linux_ioctl_hdio(struct lwp *, const struct linux_sys_ioctl_args *,
47 register_t *);
48int linux_ioctl_fdio(struct lwp *, const struct linux_sys_ioctl_args *uap,
49 register_t *retval);
50int linux_ioctl_blkio(struct lwp *, const struct linux_sys_ioctl_args *uap,
51 register_t *retval);
52int linux_ioctl_sg(struct lwp *, const struct linux_sys_ioctl_args *uap,
53 register_t *retval);
54int linux_ioctl_mtio(struct lwp *, const struct linux_sys_ioctl_args *uap,
55 register_t *retval);
56__END_DECLS
57#endif /* !_KERNEL */
58
59#if defined(__i386__)
60#include <compat/linux/arch/i386/linux_ioctl.h>
61#elif defined(__m68k__)
62#include <compat/linux/arch/m68k/linux_ioctl.h>
63#elif defined(__alpha__)
64#include <compat/linux/arch/alpha/linux_ioctl.h>
65#elif defined(__powerpc__)
66#include <compat/linux/arch/powerpc/linux_ioctl.h>
67#elif defined(__mips__)
68#include <compat/linux/arch/mips/linux_ioctl.h>
69#elif defined(__arm__)
70#include <compat/linux/arch/arm/linux_ioctl.h>
71#elif defined(__amd64__)
72#include <compat/linux/arch/amd64/linux_ioctl.h>
73#else
74#error Undefined linux_ioctl.h machine type.
75#endif
76
77#define _LINUX_IOC_NRMASK ((1 << _LINUX_IOC_NRBITS) - 1)
78#define _LINUX_IOC_TYPEMASK ((1 << _LINUX_IOC_TYPEBITS) - 1)
79#define _LINUX_IOC_SIZEMASK ((1 << _LINUX_IOC_SIZEBITS) - 1)
80#define _LINUX_IOC_DIRMASK ((1 << _LINUX_IOC_DIRBITS) - 1)
81
82#define _LINUX_IOC_TYPESHIFT (_LINUX_IOC_NRSHIFT + _LINUX_IOC_NRBITS)
83#define _LINUX_IOC_SIZESHIFT (_LINUX_IOC_TYPESHIFT + _LINUX_IOC_TYPEBITS)
84#define _LINUX_IOC_DIRSHIFT (_LINUX_IOC_SIZESHIFT + _LINUX_IOC_SIZEBITS)
85
86#define _LINUX_IOC(dir,type,nr,size) \
87 (((nr) << _LINUX_IOC_NRSHIFT) | \
88 ((type) << _LINUX_IOC_TYPESHIFT) | \
89 ((size) << _LINUX_IOC_SIZESHIFT) | \
90 ((dir) << _LINUX_IOC_DIRSHIFT))
91
92#define _LINUX_IO(type,nr) \
93 _LINUX_IOC(_LINUX_IOC_NONE,(type),(nr),0)
94#define _LINUX_IOR(type,nr,size) \
95 _LINUX_IOC(_LINUX_IOC_READ,(type),(nr),sizeof(size))
96#define _LINUX_IOW(type,nr,size) \
97 _LINUX_IOC(_LINUX_IOC_WRITE,(type),(nr),sizeof(size))
98#define _LINUX_IOWR(type,nr,size) \
99 _LINUX_IOC(_LINUX_IOC_READ|_LINUX_IOC_WRITE,(type),(nr),sizeof(size))
100
101#define _LINUX_IOC_DIR(nr) \
102 (((nr) >> _LINUX_IOC_DIRSHIFT) & _LINUX_IOC_DIRMASK)
103#define _LINUX_IOC_TYPE(nr) \
104 (((nr) >> _LINUX_IOC_TYPESHIFT) & _LINUX_IOC_TYPEMASK)
105#define _LINUX_IOC_NR(nr) \
106 (((nr) >> _LINUX_IOC_NRSHIFT) & _LINUX_IOC_NRMASK)
107#define _LINUX_IOC_SIZE(nr) \
108 (((nr) >> _LINUX_IOC_SIZESHIFT) & _LINUX_IOC_SIZEMASK)
109
110#define LINUX_IOCGROUP(x) _LINUX_IOC_TYPE(x)
111
112#endif /* !_LINUX_IOCTL_H */
113