text: /*	$OpenBSD: linux_ioctl.h,v 1.7 2002/03/14 01:26:50 millert Exp $	*/
  /*	$NetBSD: linux_ioctl.h,v 1.4 1996/04/05 00:01:36 christos Exp $	*/
  
  /*
   * Copyright (c) 1995 Frank van der Linden
   * All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in the
   *    documentation and/or other materials provided with the distribution.
   * 3. All advertising materials mentioning features or use of this software
   *    must display the following acknowledgement:
   *      This product includes software developed for the NetBSD Project
   *      by Frank van der Linden
   * 4. The name of the author may not be used to endorse or promote products
   *    derived from this software without specific prior written permission
   *
   * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
   * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
   * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
   * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
   * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
   * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
   * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   */
  
  #define	_LINUX_IOC_NRBITS	8
  #define	_LINUX_IOC_TYPEBITS	8
  #define	_LINUX_IOC_SIZEBITS	14
  #define	_LINUX_IOC_DIRBITS	2
  
  #define	_LINUX_IOC_NRSHIFT	0
  
  #define	_LINUX_IOC_NONE		0U
  #define	_LINUX_IOC_WRITE	1U
  #define	_LINUX_IOC_READ		2U
  
  #define	_LINUX_IOC_NRMASK	((1 << _LINUX_IOC_NRBITS) - 1)
  #define	_LINUX_IOC_TYPEMASK	((1 << _LINUX_IOC_TYPEBITS) - 1)
  #define	_LINUX_IOC_SIZEMASK	((1 << _LINUX_IOC_SIZEBITS) - 1)
  #define	_LINUX_IOC_DIRMASK	((1 << _LINUX_IOC_DIRBITS) - 1)
  
  #define	_LINUX_IOC_TYPESHIFT	(_LINUX_IOC_NRSHIFT + _LINUX_IOC_NRBITS)
  #define	_LINUX_IOC_SIZESHIFT	(_LINUX_IOC_TYPESHIFT + _LINUX_IOC_TYPEBITS)
  #define	_LINUX_IOC_DIRSHIFT	(_LINUX_IOC_SIZESHIFT + _LINUX_IOC_SIZEBITS)
  
  #define	_LINUX_IOC(dir,type,nr,size)		\
  	(((nr)   << _LINUX_IOC_NRSHIFT) |	\
  	 ((type) << _LINUX_IOC_TYPESHIFT) |	\
  	 ((size) << _LINUX_IOC_SIZESHIFT) |	\
  	 ((dir)  << _LINUX_IOC_DIRSHIFT))
  
  #define _LINUX_IO(type,nr)		\
  	_LINUX_IOC(_LINUX_IOC_NONE,(type),(nr),0)
  #define _LINUX_IOR(type,nr,size)	\
  	_LINUX_IOC(_LINUX_IOC_READ,(type),(nr),sizeof(size))
  #define _LINUX_IOW(type,nr,size)	\
  	_LINUX_IOC(_LINUX_IOC_WRITE,(type),(nr),sizeof(size))
  #define _LINUX_IOWR(type,nr,size)	\
  	_LINUX_IOC(_LINUX_IOC_READ|_LINUX_IOC_WRITE,(type),(nr),sizeof(size))
  
  #define	_LINUX_IOC_DIR(nr)	\
  	(((nr) >> _LINUX_IOC_DIRSHIFT) & _LINUX_IOC_DIRMASK)
  #define	_LINUX_IOC_TYPE(nr)	\
  	(((nr) >> _LINUX_IOC_TYPESHIFT) & _LINUX_IOC_TYPEMASK)
  #define	_LINUX_IOC_NR(nr)	\
  	(((nr) >> _LINUX_IOC_NRSHIFT) & _LINUX_IOC_NRMASK)
  #define	_LINUX_IOC_SIZE(nr)	\
  	(((nr) >> _LINUX_IOC_SIZESHIFT) & _LINUX_IOC_SIZEMASK)
  
  #define	LINUX_IOCGROUP(x)	_LINUX_IOC_TYPE(x)
  
  struct linux_sys_ioctl_args;
  int linux_ioctl_audio(struct proc *, struct linux_sys_ioctl_args *,
      register_t *);
  int linux_machdepioctl(struct proc *, void *, register_t *);
  int linux_ioctl_termios(struct proc *, void *, register_t *);
  int linux_ioctl_cdrom(struct proc *, void *, register_t *);
  int linux_ioctl_socket(struct proc *, void *, register_t *);
  int linux_ioctl_hdio(struct proc *, struct linux_sys_ioctl_args *,
      register_t *);
  int linux_ioctl_fdio(struct proc *, struct linux_sys_ioctl_args *,
      register_t *);
  int linux_ioctl_blkio(struct proc *, struct linux_sys_ioctl_args *,
      register_t *);
  