disk/part_dos.h

/* SPDX-License-Identifier: GPL-2.0+ */
/*
 * (C) Copyright 2000
 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
 */

#ifndef _DISK_PART_DOS_H
#define _DISK_PART_DOS_H

#define DOS_PART_DISKSIG_OFFSET	0x1b8
#define DOS_PART_TBL_OFFSET	0x1be
#define DOS_PART_MAGIC_OFFSET	0x1fe
#define DOS_PBR_FSTYPE_OFFSET	0x36
#define DOS_PBR32_FSTYPE_OFFSET	0x52
#define DOS_PBR_MEDIA_TYPE_OFFSET	0x15
#define DOS_MBR	0
#define DOS_PBR	1
#define DOS_PART_TYPE_EXTENDED		0x05
#define DOS_PART_TYPE_EXTENDED_LBA	0x0F
#define DOS_PART_TYPE_EXTENDED_LINUX	0x85

#define DOS_PART_DEFAULT_GAP		2048

typedef struct dos_partition {
	unsigned char boot_ind;		/* 0x80 - active			*/
	unsigned char head;		/* starting head			*/
	unsigned char sector;		/* starting sector			*/
	unsigned char cyl;		/* starting cylinder			*/
	unsigned char sys_ind;		/* What partition type			*/
	unsigned char end_head;		/* end head				*/
	unsigned char end_sector;	/* end sector				*/
	unsigned char end_cyl;		/* end cylinder				*/
	unsigned char start4[4];	/* starting sector counting from 0	*/
	unsigned char size4[4];		/* nr of sectors in partition		*/
} dos_partition_t;

#endif	/* _DISK_PART_DOS_H */