sys/compat/linux32/common/linux32_ioctl.h

   1 /*      $NetBSD: linux32_ioctl.h,v 1.4 2008/04/28 20:23:44 martin 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(__amd64__)
  36 #include <compat/linux32/arch/amd64/linux32_ioctl.h>
  37 #endif
  38
  39 #ifdef _KERNEL
  40 __BEGIN_DECLS
  41 struct linux32_sys_ioctl_args;
  42 int linux32_ioctl_termios(struct lwp *, const struct linux32_sys_ioctl_args *,
  43     register_t *);
  44 int linux32_ioctl_socket(struct lwp *, const struct linux32_sys_ioctl_args *,
  45     register_t *);
  46 __END_DECLS
  47 #endif
  48
  49 #define _LINUX32_IOC_NRMASK     ((1 << _LINUX32_IOC_NRBITS) - 1)
  50 #define _LINUX32_IOC_TYPEMASK   ((1 << _LINUX32_IOC_TYPEBITS) - 1)
  51 #define _LINUX32_IOC_SIZEMAEK   ((1 << _LINUX32_IOC_SIZEBITS) - 1)
  52 #define _LINUX32_IOC_DIRMASK    ((1 << _LINUX32_IOC_DIRBITS) - 1)
  53
  54 #define _LINUX32_IOC_TYPESHIFT  (_LINUX32_IOC_NRSHIFT + _LINUX32_IOC_NRBITS)
  55 #define _LINUX32_IOC_SIZESHIFT  (_LINUX32_IOC_TYPESHIFT + _LINUX32_IOC_TYPEBITS)
  56 #define _LINUX32_IOC_DIRSHIFT   (_LINUX32_IOC_SIZESHIFT + _LINUX32_IOC_SIZEBITS)
  57
  58 #define _LINUX32_IOC(dir,type,nr,size)          \
  59         (((nr)   << _LINUX32_IOC_NRSHIFT) |     \
  60          ((type) << _LINUX32_IOC_TYPESHIFT) |   \
  61          ((size) << _LINUX32_IOC_SIZESHIFT) |   \
  62          ((dir)  << _LINUX32_IOC_DIRSHIFT))
  63
  64 #define _LINUX32_IO(type,nr)            \
  65     _LINUX32_IOC(_LINUX32_IOC_NONE,(type),(nr),0)
  66 #define _LINUX32_IOR(type,nr,size)      \
  67     _LINUX32_IOC(_LINUX32_IOC_READ,(type),(nr),sizeof(size))
  68 #define _LINUX32_IOW(type,nr,size)      \
  69     _LINUX32_IOC(_LINUX32_IOC_WRITE,(type),(nr),sizeof(size))
  70 #define _LINUX32_IOWR(type,nr,size)     \
  71     _LINUX32_IOC(_LINUX32_IOC_READ|_LINUX32_IOC_WRITE,(type),(nr),sizeof(size))
  72
  73 #define _LINUX32_IOC_DIR(nr)    \
  74         (((nr) >> _LINUX32_IOC_DIRSHIFT) & _LINUX32_IOC_DIRMASK)
  75 #define _LINUX32_IOC_TYPE(nr)   \
  76         (((nr) >> _LINUX32_IOC_TYPESHIFT) & _LINUX32_IOC_TYPEMASK)
  77 #define _LINUX32_IOC_NR(nr)     \
  78         (((nr) >> _LINUX32_IOC_NRSHIFT) & _LINUX32_IOC_NRMASK)
  79 #define _LINUX32_IOC_SIZE(nr)   \
  80         (((nr) >> _LINUX32_IOC_SIZESHIFT) & _LINUX32_IOC_SIZEMASK)
  81
  82 #define LINUX32_IOCGROUP(x)     _LINUX32_IOC_TYPE(x)
  83
  84 #endif /* !_LINUX32_IOCTL_H */