xref: /netbsd/sys/coda/coda_pioctl.h (revision bf9ec67e)
1 /*	$NetBSD: coda_pioctl.h,v 1.5 1999/10/17 23:39:15 cgd 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
71