1 /* $OpenBSD: vndioctl.h,v 1.5 2003/06/02 23:28:01 millert 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. Neither the name of the University nor the names of its contributors 22 * may be used to endorse or promote products derived from this software 23 * without specific prior written permission. 24 * 25 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 28 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 35 * SUCH DAMAGE. 36 * 37 * from: Utah $Hdr: fdioctl.h 1.1 90/07/09$ 38 * 39 * @(#)vnioctl.h 8.1 (Berkeley) 6/10/93 40 */ 41 42 /* 43 * Ioctl definitions for file (vnode) disk pseudo-device. 44 */ 45 struct vnd_ioctl { 46 char *vnd_file; /* pathname of file to mount */ 47 off_t vnd_size; /* (returned) size of disk */ 48 u_char *vnd_key; 49 int vnd_keylen; 50 }; 51 52 /* 53 * Before you can use a unit, it must be configured with VNDIOCSET. 54 * The configuration persists across opens and closes of the device; 55 * an VNDIOCCLR must be used to reset a configuration. An attempt to 56 * VNDIOCSET an already active unit will return EBUSY. 57 */ 58 #define VNDIOCSET _IOWR('F', 0, struct vnd_ioctl) /* enable disk */ 59 #define VNDIOCCLR _IOW('F', 1, struct vnd_ioctl) /* disable disk */ 60