1/* 2 * Copyright (c) 2002,2012 Apple Computer, Inc. All rights reserved. 3 * 4 * @APPLE_LICENSE_HEADER_START@ 5 * 6 * This file contains Original Code and/or Modifications of Original Code 7 * as defined in and that are subject to the Apple Public Source License 8 * Version 2.0 (the 'License'). You may not use this file except in 9 * compliance with the License. Please obtain a copy of the License at 10 * http://www.opensource.apple.com/apsl/ and read it before using this 11 * file. 12 * 13 * The Original Code and all software distributed under the License are 14 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 15 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 16 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 17 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 18 * Please see the License for the specific language governing rights and 19 * limitations under the License. 20 * 21 * @APPLE_LICENSE_HEADER_END@ 22 */ 23 24/* 25 * Copyright (c) 1997 Tobias Weingartner 26 * All rights reserved. 27 * 28 * Redistribution and use in source and binary forms, with or without 29 * modification, are permitted provided that the following conditions 30 * are met: 31 * 1. Redistributions of source code must retain the above copyright 32 * notice, this list of conditions and the following disclaimer. 33 * 2. Redistributions in binary form must reproduce the above copyright 34 * notice, this list of conditions and the following disclaimer in the 35 * documentation and/or other materials provided with the distribution. 36 * 3. All advertising materials mentioning features or use of this software 37 * must display the following acknowledgement: 38 * This product includes software developed by Tobias Weingartner. 39 * 4. The name of the author may not be used to endorse or promote products 40 * derived from this software without specific prior written permission. 41 * 42 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 43 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 44 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 45 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 46 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 47 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 48 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 49 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 50 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 51 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 52 */ 53 54#ifndef _DISK_H 55#define _DISK_H 56 57/* Data types */ 58typedef struct _DISK_metrics { 59 unsigned int cylinders; 60 unsigned int heads; 61 unsigned int sectors; 62 unsigned int size; /* Number of sectors in disk */ 63 unsigned int sector_size; /* Bytes per sector */ 64} DISK_metrics; 65 66typedef struct _disk_t { 67 char *name; 68 DISK_metrics *bios; /* Metrics as reported by BIOS (always NULL) */ 69 DISK_metrics *label; /* As reported by device ioctls */ 70 DISK_metrics *real; /* Metrics we're using (BIOS, ioctls, user-supplied) */ 71} disk_t; 72 73/* Prototypes */ 74int DISK_open __P((char *, int)); 75int DISK_openshared __P((char *, int, int *)); 76int DISK_close __P((int)); 77int DISK_getmetrics __P((disk_t *, DISK_metrics *)); 78int DISK_get_sector_size __P((disk_t *, DISK_metrics *)); 79int DISK_printmetrics __P((disk_t *)); 80void DISK_fake_CHS __P((DISK_metrics *)); 81 82#endif /* _DISK_H */ 83 84