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 
24 typedef 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