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mtd
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inftl-user.h

inftl-user.h 1.5 KB
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  1. /*
    2. 

  2.  * Parts of INFTL headers shared with userspace
    3. 

  3.  *
    4. 

  4.  */
    5. 

  5. 

  6. #ifndef __MTD_INFTL_USER_H__
    7. 

  7. #define __MTD_INFTL_USER_H__
    8. 

  8. 

  9. #include <linux/types.h>
    10. 

  10. 

  11. #define	OSAK_VERSION	0x5120
    12. 

  12. #define	PERCENTUSED	98
    13. 

  13. 

  14. #define	SECTORSIZE	512
    15. 

  15. 

  16. /* Block Control Information */
    17. 

  17. 

  18. struct inftl_bci {
    19. 

  19. 	__u8 ECCsig[6];
    20. 

  20. 	__u8 Status;
    21. 

  21. 	__u8 Status1;
    22. 

  22. } __attribute__((packed));
    23. 

  23. 

  24. struct inftl_unithead1 {
    25. 

  25. 	__u16 virtualUnitNo;
    26. 

  26. 	__u16 prevUnitNo;
    27. 

  27. 	__u8 ANAC;
    28. 

  28. 	__u8 NACs;
    29. 

  29. 	__u8 parityPerField;
    30. 

  30. 	__u8 discarded;
    31. 

  31. } __attribute__((packed));
    32. 

  32. 

  33. struct inftl_unithead2 {
    34. 

  34. 	__u8 parityPerField;
    35. 

  35. 	__u8 ANAC;
    36. 

  36. 	__u16 prevUnitNo;
    37. 

  37. 	__u16 virtualUnitNo;
    38. 

  38. 	__u8 NACs;
    39. 

  39. 	__u8 discarded;
    40. 

  40. } __attribute__((packed));
    41. 

  41. 

  42. struct inftl_unittail {
    43. 

  43. 	__u8 Reserved[4];
    44. 

  44. 	__u16 EraseMark;
    45. 

  45. 	__u16 EraseMark1;
    46. 

  46. } __attribute__((packed));
    47. 

  47. 

  48. union inftl_uci {
    49. 

  49. 	struct inftl_unithead1 a;
    50. 

  50. 	struct inftl_unithead2 b;
    51. 

  51. 	struct inftl_unittail c;
    52. 

  52. };
    53. 

  53. 

  54. struct inftl_oob {
    55. 

  55. 	struct inftl_bci b;
    56. 

  56. 	union inftl_uci u;
    57. 

  57. };
    58. 

  58. 

  59. 

  60. /* INFTL Media Header */
    61. 

  61. 

  62. struct INFTLPartition {
    63. 

  63. 	__u32 virtualUnits;
    64. 

  64. 	__u32 firstUnit;
    65. 

  65. 	__u32 lastUnit;
    66. 

  66. 	__u32 flags;
    67. 

  67. 	__u32 spareUnits;
    68. 

  68. 	__u32 Reserved0;
    69. 

  69. 	__u32 Reserved1;
    70. 

  70. } __attribute__((packed));
    71. 

  71. 

  72. struct INFTLMediaHeader {
    73. 

  73. 	char bootRecordID[8];
    74. 

  74. 	__u32 NoOfBootImageBlocks;
    75. 

  75. 	__u32 NoOfBinaryPartitions;
    76. 

  76. 	__u32 NoOfBDTLPartitions;
    77. 

  77. 	__u32 BlockMultiplierBits;
    78. 

  78. 	__u32 FormatFlags;
    79. 

  79. 	__u32 OsakVersion;
    80. 

  80. 	__u32 PercentUsed;
    81. 

  81. 	struct INFTLPartition Partitions[4];
    82. 

  82. } __attribute__((packed));
    83. 

  83. 

  84. /* Partition flag types */
    85. 

  85. #define	INFTL_BINARY	0x20000000
    86. 

  86. #define	INFTL_BDTL	0x40000000
    87. 

  87. #define	INFTL_LAST	0x80000000
    88. 

  88. 

  89. #endif /* __MTD_INFTL_USER_H__ */
    90. 

  90. 

  91.