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/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#ifndef _ADFS_FS_H
#define _ADFS_FS_H

#include <linux/types.h>
#include <linux/magic.h>

/*
 * Disc Record at disc address 0xc00
 */
struct adfs_discrecord {
	__u8 log2secsize;
	__u8 secspertrack;
	__u8 heads;
	__u8 density;
	__u8 idlen;
	__u8 log2bpmb;
	__u8 skew;
	__u8 bootoption;
	__u8 lowsector;
	__u8 nzones;
	__le16 zone_spare;
	__le32 root;
	__le32 disc_size;
	__le16 disc_id;
	__u8 disc_name[10];
	__le32 disc_type;
	__le32 disc_size_high;
	__u8 log2sharesize : 4;
	__u8 unused40 : 4;
	__u8 big_flag : 1;
	__u8 unused41 : 7;
	__u8 nzones_high;
	__u8 reserved43;
	__le32 format_version;
	__le32 root_size;
	__u8 unused52[60 - 52];
} __attribute__((packed, aligned(4)));

#define ADFS_DISCRECORD	  (0xc00)
#define ADFS_DR_OFFSET	  (0x1c0)
#define ADFS_DR_SIZE	  60
#define ADFS_DR_SIZE_BITS (ADFS_DR_SIZE << 3)

#endif /* _ADFS_FS_H */