✏ 编辑: adfs_fs.h
#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  unused41:1;
    __u8  nzones_high;
    __le32 format_version;
    __le32 root_size;
    __u8  unused52[60 - 52];
};

#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 */


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