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_io.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) 1990 Carnegie-Mellon University
37 * Copyright (c) 1989 Carnegie-Mellon University
38 * All rights reserved.  The CMU software License Agreement specifies
39 * the terms and conditions for use and redistribution.
40 */
41
42/*
43 * This code was written for the Coda filesystem at Carnegie Mellon University.
44 * Contributers include David Steere, James Kistler, and M. Satyanarayanan.
45 */
46
47#ifndef _CODAIO_H_
48#define	_CODAIO_H_
49
50/*
51 * Define ioctl commands for vcioctl, /dev/cfs.
52 *
53 * Resize Coda namecache.
54 */
55#define	CODARESIZE	_IOW('c', 1, struct coda_resize)
56
57/*
58 * Collect statistics.
59 */
60#define	CODASTATS	_IO('c', 2)
61
62/*
63 * Print cache.
64 */
65#define	CODAPRINT	_IO('c', 3)
66#define	CODATEST	_IO('c', 4)
67
68struct coda_resize {
69	int hashsize;
70	int heapsize;
71};
72
73#endif /* !_CODAIO_H_ */
74