| 1 | /*␊ |
| 2 | * Copyright (c) 2002 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 */␊ |
| 58 | typedef struct _DISK_metrics {␊ |
| 59 | ␉int cylinders;␊ |
| 60 | ␉int heads;␊ |
| 61 | ␉int sectors;␊ |
| 62 | ␉int size;␉␉/* Number of sectors in disk */␊ |
| 63 | ␉int sector_size;␉/* Bytes per sector */␊ |
| 64 | } DISK_metrics;␊ |
| 65 | ␊ |
| 66 | typedef 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 */␊ |
| 74 | int DISK_open __P((char *, int));␊ |
| 75 | int DISK_openshared __P((char *, int, int *));␊ |
| 76 | int DISK_close __P((int));␊ |
| 77 | int DISK_getmetrics __P((disk_t *, DISK_metrics *));␊ |
| 78 | int DISK_get_sector_size __P((disk_t *, DISK_metrics *));␊ |
| 79 | int DISK_printmetrics __P((disk_t *));␊ |
| 80 | void DISK_fake_CHS __P((DISK_metrics *));␊ |
| 81 | ␊ |
| 82 | #endif /* _DISK_H */␊ |
| 83 | ␊ |
| 84 | |
