1 /* $OpenBSD: vndioctl.h,v 1.2 1997/11/07 08:06:37 niklas Exp $ */ 2 /* $NetBSD: vndioctl.h,v 1.5 1995/01/25 04:46:30 cgd Exp $ */ 3 4 /* 5 * Copyright (c) 1988 University of Utah. 6 * Copyright (c) 1990, 1993 7 * The Regents of the University of California. All rights reserved. 8 * 9 * This code is derived from software contributed to Berkeley by 10 * the Systems Programming Group of the University of Utah Computer 11 * Science Department. 12 * 13 * Redistribution and use in source and binary forms, with or without 14 * modification, are permitted provided that the following conditions 15 * are met: 16 * 1. Redistributions of source code must retain the above copyright 17 * notice, this list of conditions and the following disclaimer. 18 * 2. Redistributions in binary form must reproduce the above copyright 19 * notice, this list of conditions and the following disclaimer in the 20 * documentation and/or other materials provided with the distribution. 21 * 3. All advertising materials mentioning features or use of this software 22 * must display the following acknowledgement: 23 * This product includes software developed by the University of 24 * California, Berkeley and its contributors. 25 * 4. Neither the name of the University nor the names of its contributors 26 * may be used to endorse or promote products derived from this software 27 * without specific prior written permission. 28 * 29 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 30 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 31 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 32 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 33 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 34 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 35 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 36 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 37 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 38 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 39 * SUCH DAMAGE. 40 * 41 * from: Utah $Hdr: fdioctl.h 1.1 90/07/09$ 42 * 43 * @(#)vnioctl.h 8.1 (Berkeley) 6/10/93 44 */ 45 46 /* 47 * Ioctl definitions for file (vnode) disk pseudo-device. 48 */ 49 struct vnd_ioctl { 50 char *vnd_file; /* pathname of file to mount */ 51 int vnd_size; /* (returned) size of disk */ 52 }; 53 54 /* 55 * Before you can use a unit, it must be configured with VNDIOCSET. 56 * The configuration persists across opens and closes of the device; 57 * an VNDIOCCLR must be used to reset a configuration. An attempt to 58 * VNDIOCSET an already active unit will return EBUSY. 59 */ 60 #define VNDIOCSET _IOWR('F', 0, struct vnd_ioctl) /* enable disk */ 61 #define VNDIOCCLR _IOW('F', 1, struct vnd_ioctl) /* disable disk */ 62