sys/compat/linux/common/linux_ioctl.h

   1 /*      $NetBSD: linux_ioctl.h,v 1.25 2007/12/20 23:02:54 dsl 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
  35 struct linux_sys_ioctl_args;
  36
  37 #ifdef _KERNEL
  38 __BEGIN_DECLS
  39 int linux_machdepioctl(struct lwp *, const struct linux_sys_ioctl_args *, register_t *);
  40 int linux_ioctl_cdrom(struct lwp *, const struct linux_sys_ioctl_args *,
  41     register_t *);
  42 int linux_ioctl_termios(struct lwp *, const struct linux_sys_ioctl_args *,
  43     register_t *);
  44 int linux_ioctl_socket(struct lwp *, const struct linux_sys_ioctl_args *,
  45     register_t *);
  46 int linux_ioctl_hdio(struct lwp *, const struct linux_sys_ioctl_args *,
  47     register_t *);
  48 int linux_ioctl_fdio(struct lwp *, const struct linux_sys_ioctl_args *uap,
  49                  register_t *retval);
  50 int linux_ioctl_blkio(struct lwp *, const struct linux_sys_ioctl_args *uap,
  51                  register_t *retval);
  52 int linux_ioctl_sg(struct lwp *, const struct linux_sys_ioctl_args *uap,
  53                  register_t *retval);
  54 int 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_SIZEMAEK     ((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 */