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