Annotation of sys/compat/linux/linux_ioctl.h, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: linux_ioctl.h,v 1.7 2002/03/14 01:26:50 millert Exp $ */
2: /* $NetBSD: linux_ioctl.h,v 1.4 1996/04/05 00:01:36 christos Exp $ */
3:
4: /*
5: * Copyright (c) 1995 Frank van der Linden
6: * All rights reserved.
7: *
8: * Redistribution and use in source and binary forms, with or without
9: * modification, are permitted provided that the following conditions
10: * are met:
11: * 1. Redistributions of source code must retain the above copyright
12: * notice, this list of conditions and the following disclaimer.
13: * 2. Redistributions in binary form must reproduce the above copyright
14: * notice, this list of conditions and the following disclaimer in the
15: * documentation and/or other materials provided with the distribution.
16: * 3. All advertising materials mentioning features or use of this software
17: * must display the following acknowledgement:
18: * This product includes software developed for the NetBSD Project
19: * by Frank van der Linden
20: * 4. The name of the author may not be used to endorse or promote products
21: * derived from this software without specific prior written permission
22: *
23: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
24: * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
25: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
26: * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
27: * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
28: * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
29: * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
30: * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
31: * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
32: * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33: */
34:
35: #define _LINUX_IOC_NRBITS 8
36: #define _LINUX_IOC_TYPEBITS 8
37: #define _LINUX_IOC_SIZEBITS 14
38: #define _LINUX_IOC_DIRBITS 2
39:
40: #define _LINUX_IOC_NRSHIFT 0
41:
42: #define _LINUX_IOC_NONE 0U
43: #define _LINUX_IOC_WRITE 1U
44: #define _LINUX_IOC_READ 2U
45:
46: #define _LINUX_IOC_NRMASK ((1 << _LINUX_IOC_NRBITS) - 1)
47: #define _LINUX_IOC_TYPEMASK ((1 << _LINUX_IOC_TYPEBITS) - 1)
48: #define _LINUX_IOC_SIZEMASK ((1 << _LINUX_IOC_SIZEBITS) - 1)
49: #define _LINUX_IOC_DIRMASK ((1 << _LINUX_IOC_DIRBITS) - 1)
50:
51: #define _LINUX_IOC_TYPESHIFT (_LINUX_IOC_NRSHIFT + _LINUX_IOC_NRBITS)
52: #define _LINUX_IOC_SIZESHIFT (_LINUX_IOC_TYPESHIFT + _LINUX_IOC_TYPEBITS)
53: #define _LINUX_IOC_DIRSHIFT (_LINUX_IOC_SIZESHIFT + _LINUX_IOC_SIZEBITS)
54:
55: #define _LINUX_IOC(dir,type,nr,size) \
56: (((nr) << _LINUX_IOC_NRSHIFT) | \
57: ((type) << _LINUX_IOC_TYPESHIFT) | \
58: ((size) << _LINUX_IOC_SIZESHIFT) | \
59: ((dir) << _LINUX_IOC_DIRSHIFT))
60:
61: #define _LINUX_IO(type,nr) \
62: _LINUX_IOC(_LINUX_IOC_NONE,(type),(nr),0)
63: #define _LINUX_IOR(type,nr,size) \
64: _LINUX_IOC(_LINUX_IOC_READ,(type),(nr),sizeof(size))
65: #define _LINUX_IOW(type,nr,size) \
66: _LINUX_IOC(_LINUX_IOC_WRITE,(type),(nr),sizeof(size))
67: #define _LINUX_IOWR(type,nr,size) \
68: _LINUX_IOC(_LINUX_IOC_READ|_LINUX_IOC_WRITE,(type),(nr),sizeof(size))
69:
70: #define _LINUX_IOC_DIR(nr) \
71: (((nr) >> _LINUX_IOC_DIRSHIFT) & _LINUX_IOC_DIRMASK)
72: #define _LINUX_IOC_TYPE(nr) \
73: (((nr) >> _LINUX_IOC_TYPESHIFT) & _LINUX_IOC_TYPEMASK)
74: #define _LINUX_IOC_NR(nr) \
75: (((nr) >> _LINUX_IOC_NRSHIFT) & _LINUX_IOC_NRMASK)
76: #define _LINUX_IOC_SIZE(nr) \
77: (((nr) >> _LINUX_IOC_SIZESHIFT) & _LINUX_IOC_SIZEMASK)
78:
79: #define LINUX_IOCGROUP(x) _LINUX_IOC_TYPE(x)
80:
81: struct linux_sys_ioctl_args;
82: int linux_ioctl_audio(struct proc *, struct linux_sys_ioctl_args *,
83: register_t *);
84: int linux_machdepioctl(struct proc *, void *, register_t *);
85: int linux_ioctl_termios(struct proc *, void *, register_t *);
86: int linux_ioctl_cdrom(struct proc *, void *, register_t *);
87: int linux_ioctl_socket(struct proc *, void *, register_t *);
88: int linux_ioctl_hdio(struct proc *, struct linux_sys_ioctl_args *,
89: register_t *);
90: int linux_ioctl_fdio(struct proc *, struct linux_sys_ioctl_args *,
91: register_t *);
92: int linux_ioctl_blkio(struct proc *, struct linux_sys_ioctl_args *,
93: register_t *);
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