xref: /netbsd-src/sys/compat/linux/common/linux_ioctl.h (revision aaf4ece63a859a04e37cf3a7229b5fab0157cc06)
1 /*	$NetBSD: linux_ioctl.h,v 1.23 2005/12/11 12:20:19 christos 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  * 3. All advertising materials mentioning features or use of this software
19  *    must display the following acknowledgement:
20  *	This product includes software developed by the NetBSD
21  *	Foundation, Inc. and its contributors.
22  * 4. Neither the name of The NetBSD Foundation nor the names of its
23  *    contributors may be used to endorse or promote products derived
24  *    from this software without specific prior written permission.
25  *
26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36  * POSSIBILITY OF SUCH DAMAGE.
37  */
38 
39 #ifndef _LINUX_IOCTL_H
40 #define _LINUX_IOCTL_H
41 
42 struct linux_sys_ioctl_args;
43 
44 #ifdef _KERNEL
45 __BEGIN_DECLS
46 int linux_machdepioctl __P((struct lwp *, void *, register_t *));
47 int linux_ioctl_cdrom __P((struct lwp *, struct linux_sys_ioctl_args *,
48     register_t *));
49 int linux_ioctl_termios __P((struct lwp *, struct linux_sys_ioctl_args *,
50     register_t *));
51 int linux_ioctl_socket __P((struct lwp *, struct linux_sys_ioctl_args *,
52     register_t *));
53 int linux_ioctl_hdio __P((struct lwp *, struct linux_sys_ioctl_args *,
54     register_t *));
55 int linux_ioctl_fdio __P((struct lwp *, struct linux_sys_ioctl_args *uap,
56                  register_t *retval));
57 int linux_ioctl_blkio __P((struct lwp *, struct linux_sys_ioctl_args *uap,
58                  register_t *retval));
59 int linux_ioctl_sg __P((struct lwp *, struct linux_sys_ioctl_args *uap,
60                  register_t *retval));
61 int linux_ioctl_mtio __P((struct lwp *, struct linux_sys_ioctl_args *uap,
62                  register_t *retval));
63 __END_DECLS
64 #endif	/* !_KERNEL */
65 
66 #if defined(__i386__)
67 #include <compat/linux/arch/i386/linux_ioctl.h>
68 #elif defined(__m68k__)
69 #include <compat/linux/arch/m68k/linux_ioctl.h>
70 #elif defined(__alpha__)
71 #include <compat/linux/arch/alpha/linux_ioctl.h>
72 #elif defined(__powerpc__)
73 #include <compat/linux/arch/powerpc/linux_ioctl.h>
74 #elif defined(__mips__)
75 #include <compat/linux/arch/mips/linux_ioctl.h>
76 #elif defined(__arm__)
77 #include <compat/linux/arch/arm/linux_ioctl.h>
78 #elif defined(__amd64__)
79 #include <compat/linux/arch/amd64/linux_ioctl.h>
80 #else
81 #error Undefined linux_ioctl.h machine type.
82 #endif
83 
84 #define	_LINUX_IOC_NRMASK	((1 << _LINUX_IOC_NRBITS) - 1)
85 #define	_LINUX_IOC_TYPEMASK	((1 << _LINUX_IOC_TYPEBITS) - 1)
86 #define	_LINUX_IOC_SIZEMAEK	((1 << _LINUX_IOC_SIZEBITS) - 1)
87 #define _LINUX_IOC_DIRMASK	((1 << _LINUX_IOC_DIRBITS) - 1)
88 
89 #define	_LINUX_IOC_TYPESHIFT	(_LINUX_IOC_NRSHIFT + _LINUX_IOC_NRBITS)
90 #define	_LINUX_IOC_SIZESHIFT	(_LINUX_IOC_TYPESHIFT + _LINUX_IOC_TYPEBITS)
91 #define	_LINUX_IOC_DIRSHIFT	(_LINUX_IOC_SIZESHIFT + _LINUX_IOC_SIZEBITS)
92 
93 #define	_LINUX_IOC(dir,type,nr,size)		\
94 	(((nr)   << _LINUX_IOC_NRSHIFT) |	\
95 	 ((type) << _LINUX_IOC_TYPESHIFT) |	\
96 	 ((size) << _LINUX_IOC_SIZESHIFT) |	\
97 	 ((dir)  << _LINUX_IOC_DIRSHIFT))
98 
99 #define _LINUX_IO(type,nr)		\
100 	_LINUX_IOC(_LINUX_IOC_NONE,(type),(nr),0)
101 #define	_LINUX_IOR(type,nr,size)	\
102 	_LINUX_IOC(_LINUX_IOC_READ,(type),(nr),sizeof(size))
103 #define	_LINUX_IOW(type,nr,size)	\
104 	_LINUX_IOC(_LINUX_IOC_WRITE,(type),(nr),sizeof(size))
105 #define	_LINUX_IOWR(type,nr,size)	\
106 	_LINUX_IOC(_LINUX_IOC_READ|_LINUX_IOC_WRITE,(type),(nr),sizeof(size))
107 
108 #define _LINUX_IOC_DIR(nr)	\
109 	(((nr) >> _LINUX_IOC_DIRSHIFT) & _LINUX_IOC_DIRMASK)
110 #define _LINUX_IOC_TYPE(nr)	\
111 	(((nr) >> _LINUX_IOC_TYPESHIFT) & _LINUX_IOC_TYPEMASK)
112 #define _LINUX_IOC_NR(nr)	\
113 	(((nr) >> _LINUX_IOC_NRSHIFT) & _LINUX_IOC_NRMASK)
114 #define _LINUX_IOC_SIZE(nr)	\
115 	(((nr) >> _LINUX_IOC_SIZESHIFT) & _LINUX_IOC_SIZEMASK)
116 
117 #define LINUX_IOCGROUP(x)	_LINUX_IOC_TYPE(x)
118 
119 #endif /* !_LINUX_IOCTL_H */
120