xref: /aosp_15_r20/external/mtools/old_dos.h (revision d5c9a868b113e0ec0db2f27bc2ce8a253e77c4b0)
1*d5c9a868SElliott Hughes #ifndef MTOOLS_OLDDOS_H
2*d5c9a868SElliott Hughes #define MTOOLS_OLDDOS_H
3*d5c9a868SElliott Hughes /*  Copyright 2021 Alain Knaff.
4*d5c9a868SElliott Hughes  *  This file is part of mtools.
5*d5c9a868SElliott Hughes  *
6*d5c9a868SElliott Hughes  *  Mtools is free software: you can redistribute it and/or modify
7*d5c9a868SElliott Hughes  *  it under the terms of the GNU General Public License as published by
8*d5c9a868SElliott Hughes  *  the Free Software Foundation, either version 3 of the License, or
9*d5c9a868SElliott Hughes  *  (at your option) any later version.
10*d5c9a868SElliott Hughes  *
11*d5c9a868SElliott Hughes  *  Mtools is distributed in the hope that it will be useful,
12*d5c9a868SElliott Hughes  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
13*d5c9a868SElliott Hughes  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14*d5c9a868SElliott Hughes  *  GNU General Public License for more details.
15*d5c9a868SElliott Hughes  *
16*d5c9a868SElliott Hughes  *  You should have received a copy of the GNU General Public License
17*d5c9a868SElliott Hughes  *  along with Mtools.  If not, see <http://www.gnu.org/licenses/>.
18*d5c9a868SElliott Hughes  */
19*d5c9a868SElliott Hughes 
20*d5c9a868SElliott Hughes #include "device.h"
21*d5c9a868SElliott Hughes 
22*d5c9a868SElliott Hughes struct OldDos_t {
23*d5c9a868SElliott Hughes 	unsigned int tracks;
24*d5c9a868SElliott Hughes 	uint16_t sectors;
25*d5c9a868SElliott Hughes 	uint16_t  heads;
26*d5c9a868SElliott Hughes 
27*d5c9a868SElliott Hughes 	uint16_t dir_len;
28*d5c9a868SElliott Hughes 	uint8_t cluster_size;
29*d5c9a868SElliott Hughes 	uint32_t fat_len;
30*d5c9a868SElliott Hughes 
31*d5c9a868SElliott Hughes 	uint8_t media;
32*d5c9a868SElliott Hughes };
33*d5c9a868SElliott Hughes 
34*d5c9a868SElliott Hughes extern struct OldDos_t *getOldDosBySize(size_t size);
35*d5c9a868SElliott Hughes extern struct OldDos_t *getOldDosByMedia(int media);
36*d5c9a868SElliott Hughes extern struct OldDos_t *getOldDosByParams(unsigned int tracks,
37*d5c9a868SElliott Hughes 					  unsigned int heads,
38*d5c9a868SElliott Hughes 					  unsigned int sectors,
39*d5c9a868SElliott Hughes 					  unsigned int dir_len,
40*d5c9a868SElliott Hughes 					  unsigned int cluster_size);
41*d5c9a868SElliott Hughes int setDeviceFromOldDos(int media, struct device *dev);
42*d5c9a868SElliott Hughes 
43*d5c9a868SElliott Hughes #endif
44