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