include/mtd/inftl-user.h

   1 /*
   2  * Parts of INFTL headers shared with userspace
   3  *
   4  */
   5
   6 #ifndef __MTD_INFTL_USER_H__
   7 #define __MTD_INFTL_USER_H__
   8
   9 #define OSAK_VERSION    0x5120
  10 #define PERCENTUSED     98
  11
  12 #define SECTORSIZE      512
  13
  14 /* Block Control Information */
  15
  16 struct inftl_bci {
  17         uint8_t ECCsig[6];
  18         uint8_t Status;
  19         uint8_t Status1;
  20 } __attribute__((packed));
  21
  22 struct inftl_unithead1 {
  23         uint16_t virtualUnitNo;
  24         uint16_t prevUnitNo;
  25         uint8_t ANAC;
  26         uint8_t NACs;
  27         uint8_t parityPerField;
  28         uint8_t discarded;
  29 } __attribute__((packed));
  30
  31 struct inftl_unithead2 {
  32         uint8_t parityPerField;
  33         uint8_t ANAC;
  34         uint16_t prevUnitNo;
  35         uint16_t virtualUnitNo;
  36         uint8_t NACs;
  37         uint8_t discarded;
  38 } __attribute__((packed));
  39
  40 struct inftl_unittail {
  41         uint8_t Reserved[4];
  42         uint16_t EraseMark;
  43         uint16_t EraseMark1;
  44 } __attribute__((packed));
  45
  46 union inftl_uci {
  47         struct inftl_unithead1 a;
  48         struct inftl_unithead2 b;
  49         struct inftl_unittail c;
  50 };
  51
  52 struct inftl_oob {
  53         struct inftl_bci b;
  54         union inftl_uci u;
  55 };
  56
  57
  58 /* INFTL Media Header */
  59
  60 struct INFTLPartition {
  61         __u32 virtualUnits;
  62         __u32 firstUnit;
  63         __u32 lastUnit;
  64         __u32 flags;
  65         __u32 spareUnits;
  66         __u32 Reserved0;
  67         __u32 Reserved1;
  68 } __attribute__((packed));
  69
  70 struct INFTLMediaHeader {
  71         char bootRecordID[8];
  72         __u32 NoOfBootImageBlocks;
  73         __u32 NoOfBinaryPartitions;
  74         __u32 NoOfBDTLPartitions;
  75         __u32 BlockMultiplierBits;
  76         __u32 FormatFlags;
  77         __u32 OsakVersion;
  78         __u32 PercentUsed;
  79         struct INFTLPartition Partitions[4];
  80 } __attribute__((packed));
  81
  82 /* Partition flag types */
  83 #define INFTL_BINARY    0x20000000
  84 #define INFTL_BDTL      0x40000000
  85 #define INFTL_LAST      0x80000000
  86
  87 #endif /* __MTD_INFTL_USER_H__ */
  88
  89