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linux-phytium
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include
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uapi
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mtd
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inftl-user.h

inftl-user.h 1.6 KB
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  1. /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
    2. 

  2. /*
    3. 

  3.  * Parts of INFTL headers shared with userspace
    4. 

  4.  *
    5. 

  5.  */
    6. 

  6. 

  7. #ifndef __MTD_INFTL_USER_H__
    8. 

  8. #define __MTD_INFTL_USER_H__
    9. 

  9. 

  10. #include <linux/types.h>
    11. 

  11. 

  12. #define	OSAK_VERSION	0x5120
    13. 

  13. #define	PERCENTUSED	98
    14. 

  14. 

  15. #define	SECTORSIZE	512
    16. 

  16. 

  17. /* Block Control Information */
    18. 

  18. 

  19. struct inftl_bci {
    20. 

  20. 	__u8 ECCsig[6];
    21. 

  21. 	__u8 Status;
    22. 

  22. 	__u8 Status1;
    23. 

  23. } __attribute__((packed));
    24. 

  24. 

  25. struct inftl_unithead1 {
    26. 

  26. 	__u16 virtualUnitNo;
    27. 

  27. 	__u16 prevUnitNo;
    28. 

  28. 	__u8 ANAC;
    29. 

  29. 	__u8 NACs;
    30. 

  30. 	__u8 parityPerField;
    31. 

  31. 	__u8 discarded;
    32. 

  32. } __attribute__((packed));
    33. 

  33. 

  34. struct inftl_unithead2 {
    35. 

  35. 	__u8 parityPerField;
    36. 

  36. 	__u8 ANAC;
    37. 

  37. 	__u16 prevUnitNo;
    38. 

  38. 	__u16 virtualUnitNo;
    39. 

  39. 	__u8 NACs;
    40. 

  40. 	__u8 discarded;
    41. 

  41. } __attribute__((packed));
    42. 

  42. 

  43. struct inftl_unittail {
    44. 

  44. 	__u8 Reserved[4];
    45. 

  45. 	__u16 EraseMark;
    46. 

  46. 	__u16 EraseMark1;
    47. 

  47. } __attribute__((packed));
    48. 

  48. 

  49. union inftl_uci {
    50. 

  50. 	struct inftl_unithead1 a;
    51. 

  51. 	struct inftl_unithead2 b;
    52. 

  52. 	struct inftl_unittail c;
    53. 

  53. };
    54. 

  54. 

  55. struct inftl_oob {
    56. 

  56. 	struct inftl_bci b;
    57. 

  57. 	union inftl_uci u;
    58. 

  58. };
    59. 

  59. 

  60. 

  61. /* INFTL Media Header */
    62. 

  62. 

  63. struct INFTLPartition {
    64. 

  64. 	__u32 virtualUnits;
    65. 

  65. 	__u32 firstUnit;
    66. 

  66. 	__u32 lastUnit;
    67. 

  67. 	__u32 flags;
    68. 

  68. 	__u32 spareUnits;
    69. 

  69. 	__u32 Reserved0;
    70. 

  70. 	__u32 Reserved1;
    71. 

  71. } __attribute__((packed));
    72. 

  72. 

  73. struct INFTLMediaHeader {
    74. 

  74. 	char bootRecordID[8];
    75. 

  75. 	__u32 NoOfBootImageBlocks;
    76. 

  76. 	__u32 NoOfBinaryPartitions;
    77. 

  77. 	__u32 NoOfBDTLPartitions;
    78. 

  78. 	__u32 BlockMultiplierBits;
    79. 

  79. 	__u32 FormatFlags;
    80. 

  80. 	__u32 OsakVersion;
    81. 

  81. 	__u32 PercentUsed;
    82. 

  82. 	struct INFTLPartition Partitions[4];
    83. 

  83. } __attribute__((packed));
    84. 

  84. 

  85. /* Partition flag types */
    86. 

  86. #define	INFTL_BINARY	0x20000000
    87. 

  87. #define	INFTL_BDTL	0x40000000
    88. 

  88. #define	INFTL_LAST	0x80000000
    89. 

  89. 

  90. #endif /* __MTD_INFTL_USER_H__ */
    91. 

  91. 

  92. 

  93.