include/mtd/inftl-user.h

   1 /*
   2  * $Id: inftl-user.h,v 1.1 2004/05/05 15:17:00 dwmw2 Exp $
   3  *
   4  * Parts of INFTL headers shared with userspace
   5  *
   6  */
   7
   8 #ifndef __MTD_INFTL_USER_H__
   9 #define __MTD_INFTL_USER_H__
  10
  11 #define OSAK_VERSION    0x5120
  12 #define PERCENTUSED     98
  13
  14 #define SECTORSIZE      512
  15
  16 /* Block Control Information */
  17
  18 struct inftl_bci {
  19         uint8_t ECCsig[6];
  20         uint8_t Status;
  21         uint8_t Status1;
  22 } __attribute__((packed));
  23
  24 struct inftl_unithead1 {
  25         uint16_t virtualUnitNo;
  26         uint16_t prevUnitNo;
  27         uint8_t ANAC;
  28         uint8_t NACs;
  29         uint8_t parityPerField;
  30         uint8_t discarded;
  31 } __attribute__((packed));
  32
  33 struct inftl_unithead2 {
  34         uint8_t parityPerField;
  35         uint8_t ANAC;
  36         uint16_t prevUnitNo;
  37         uint16_t virtualUnitNo;
  38         uint8_t NACs;
  39         uint8_t discarded;
  40 } __attribute__((packed));
  41
  42 struct inftl_unittail {
  43         uint8_t Reserved[4];
  44         uint16_t EraseMark;
  45         uint16_t EraseMark1;
  46 } __attribute__((packed));
  47
  48 union inftl_uci {
  49         struct inftl_unithead1 a;
  50         struct inftl_unithead2 b;
  51         struct inftl_unittail c;
  52 };
  53
  54 struct inftl_oob {
  55         struct inftl_bci b;
  56         union inftl_uci u;
  57 };
  58
  59
  60 /* INFTL Media Header */
  61
  62 struct INFTLPartition {
  63         __u32 virtualUnits;
  64         __u32 firstUnit;
  65         __u32 lastUnit;
  66         __u32 flags;
  67         __u32 spareUnits;
  68         __u32 Reserved0;
  69         __u32 Reserved1;
  70 } __attribute__((packed));
  71
  72 struct INFTLMediaHeader {
  73         char bootRecordID[8];
  74         __u32 NoOfBootImageBlocks;
  75         __u32 NoOfBinaryPartitions;
  76         __u32 NoOfBDTLPartitions;
  77         __u32 BlockMultiplierBits;
  78         __u32 FormatFlags;
  79         __u32 OsakVersion;
  80         __u32 PercentUsed;
  81         struct INFTLPartition Partitions[4];
  82 } __attribute__((packed));
  83
  84 /* Partition flag types */
  85 #define INFTL_BINARY    0x20000000
  86 #define INFTL_BDTL      0x40000000
  87 #define INFTL_LAST      0x80000000
  88
  89 #endif /* __MTD_INFTL_USER_H__ */
  90
  91