1/* SPDX-License-Identifier: GPL-2.0+ */
2/*
3 * (C) Copyright 2000
4 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5 */
6
7#ifndef _DISK_PART_DOS_H
8#define _DISK_PART_DOS_H
9
10#define DOS_PART_DISKSIG_OFFSET	0x1b8
11#define DOS_PART_TBL_OFFSET	0x1be
12#define DOS_PART_MAGIC_OFFSET	0x1fe
13#define DOS_PBR_FSTYPE_OFFSET	0x36
14#define DOS_PBR32_FSTYPE_OFFSET	0x52
15#define DOS_PBR_MEDIA_TYPE_OFFSET	0x15
16#define DOS_MBR	0
17#define DOS_PBR	1
18#define DOS_PART_TYPE_EXTENDED		0x05
19#define DOS_PART_TYPE_EXTENDED_LBA	0x0F
20#define DOS_PART_TYPE_EXTENDED_LINUX	0x85
21
22#define DOS_PART_DEFAULT_GAP		2048
23
24typedef struct dos_partition {
25	unsigned char boot_ind;		/* 0x80 - active			*/
26	unsigned char head;		/* starting head			*/
27	unsigned char sector;		/* starting sector			*/
28	unsigned char cyl;		/* starting cylinder			*/
29	unsigned char sys_ind;		/* What partition type			*/
30	unsigned char end_head;		/* end head				*/
31	unsigned char end_sector;	/* end sector				*/
32	unsigned char end_cyl;		/* end cylinder				*/
33	unsigned char start4[4];	/* starting sector counting from 0	*/
34	unsigned char size4[4];		/* nr of sectors in partition		*/
35} dos_partition_t;
36
37#endif	/* _DISK_PART_DOS_H */
38