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