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uapi
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linux
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adfs_fs.h

adfs_fs.h 951 B
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  1. /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
    2. 

  2. #ifndef _UAPI_ADFS_FS_H
    3. 

  3. #define _UAPI_ADFS_FS_H
    4. 

  4. 

  5. #include <linux/types.h>
    6. 

  6. #include <linux/magic.h>
    7. 

  7. 

  8. /*
    9. 

  9.  * Disc Record at disc address 0xc00
    10. 

  10.  */
    11. 

  11. struct adfs_discrecord {
    12. 

  12.     __u8  log2secsize;
    13. 

  13.     __u8  secspertrack;
    14. 

  14.     __u8  heads;
    15. 

  15.     __u8  density;
    16. 

  16.     __u8  idlen;
    17. 

  17.     __u8  log2bpmb;
    18. 

  18.     __u8  skew;
    19. 

  19.     __u8  bootoption;
    20. 

  20.     __u8  lowsector;
    21. 

  21.     __u8  nzones;
    22. 

  22.     __le16 zone_spare;
    23. 

  23.     __le32 root;
    24. 

  24.     __le32 disc_size;
    25. 

  25.     __le16 disc_id;
    26. 

  26.     __u8  disc_name[10];
    27. 

  27.     __le32 disc_type;
    28. 

  28.     __le32 disc_size_high;
    29. 

  29.     __u8  log2sharesize:4;
    30. 

  30.     __u8  unused40:4;
    31. 

  31.     __u8  big_flag:1;
    32. 

  32.     __u8  unused41:1;
    33. 

  33.     __u8  nzones_high;
    34. 

  34.     __le32 format_version;
    35. 

  35.     __le32 root_size;
    36. 

  36.     __u8  unused52[60 - 52];
    37. 

  37. };
    38. 

  38. 

  39. #define ADFS_DISCRECORD		(0xc00)
    40. 

  40. #define ADFS_DR_OFFSET		(0x1c0)
    41. 

  41. #define ADFS_DR_SIZE		 60
    42. 

  42. #define ADFS_DR_SIZE_BITS	(ADFS_DR_SIZE << 3)
    43. 

  43. 

  44. 

  45. #endif /* _UAPI_ADFS_FS_H */
    46.