sys/coda/coda_pioctl.h

   1 /*      $NetBSD: coda_pioctl.h,v 1.5.34.1 2005/03/04 16:39:21 skrll Exp $       */
   2
   3 /*
   4  *
   5  *             Coda: an Experimental Distributed File System
   6  *                              Release 3.1
   7  *
   8  *           Copyright (c) 1987-1998 Carnegie Mellon University
   9  *                          All Rights Reserved
  10  *
  11  * Permission  to  use, copy, modify and distribute this software and its
  12  * documentation is hereby granted,  provided  that  both  the  copyright
  13  * notice  and  this  permission  notice  appear  in  all  copies  of the
  14  * software, derivative works or  modified  versions,  and  any  portions
  15  * thereof, and that both notices appear in supporting documentation, and
  16  * that credit is given to Carnegie Mellon University  in  all  documents
  17  * and publicity pertaining to direct or indirect use of this code or its
  18  * derivatives.
  19  *
  20  * CODA IS AN EXPERIMENTAL SOFTWARE SYSTEM AND IS  KNOWN  TO  HAVE  BUGS,
  21  * SOME  OF  WHICH MAY HAVE SERIOUS CONSEQUENCES.  CARNEGIE MELLON ALLOWS
  22  * FREE USE OF THIS SOFTWARE IN ITS "AS IS" CONDITION.   CARNEGIE  MELLON
  23  * DISCLAIMS  ANY  LIABILITY  OF  ANY  KIND  FOR  ANY  DAMAGES WHATSOEVER
  24  * RESULTING DIRECTLY OR INDIRECTLY FROM THE USE OF THIS SOFTWARE  OR  OF
  25  * ANY DERIVATIVE WORK.
  26  *
  27  * Carnegie  Mellon  encourages  users  of  this  software  to return any
  28  * improvements or extensions that  they  make,  and  to  grant  Carnegie
  29  * Mellon the rights to redistribute these changes without encumbrance.
  30  *
  31  *      @(#) coda/coda_pioctl.h,v 1.1.1.1 1998/08/29 21:26:46 rvb Exp $
  32  */
  33
  34 /*
  35  * Mach Operating System
  36  * Copyright (c) 1989 Carnegie-Mellon University
  37  * Copyright (c) 1988 Carnegie-Mellon University
  38  * Copyright (c) 1987 Carnegie-Mellon University
  39  * All rights reserved.  The CMU software License Agreement specifies
  40  * the terms and conditions for use and redistribution.
  41  */
  42
  43 /*
  44  * ITC Remote file system - vice ioctl interface module
  45  */
  46
  47 /*
  48  *  TODO:  Find /usr/local/include/viceioctl.h.
  49  */
  50
  51 #ifndef _SYS_PIOCTL_H_
  52 #define _SYS_PIOCTL_H_
  53
  54 /* The 2K limits above are a consequence of the size of the kernel buffer
  55    used to buffer requests from the user to venus--2*MAXPATHLEN.
  56    The buffer pointers may be null, or the counts may be 0 if there
  57    are no input or output parameters
  58  */
  59
  60 #define _VICEIOCTL(id)  ((unsigned int ) _IOW('V', id, struct ViceIoctl))
  61
  62 /* Use this macro to define up to 256 vice ioctl's.  These ioctl's
  63    all potentially have in/out parameters--this depends upon the
  64    values in the ViceIoctl structure.  This structure is itself passed
  65    into the kernel by the normal ioctl parameter passing mechanism.
  66  */
  67
  68 #define _VALIDVICEIOCTL(com) (com >= _VICEIOCTL(0) && com <= _VICEIOCTL(255))
  69
  70 #endif