LXR linux/include/mtd/nftl-user.h

   1/*
   2 * Parts of NFTL headers shared with userspace
   3 *
   4 */
   5
   6#ifndef __MTD_NFTL_USER_H__
   7#define __MTD_NFTL_USER_H__
   8
   9/* Block Control Information */
  10
  11struct nftl_bci {
  12        unsigned char ECCSig[6];
  13        uint8_t Status;
  14        uint8_t Status1;
  15}__attribute__((packed));
  16
  17/* Unit Control Information */
  18
  19struct nftl_uci0 {
  20        uint16_t VirtUnitNum;
  21        uint16_t ReplUnitNum;
  22        uint16_t SpareVirtUnitNum;
  23        uint16_t SpareReplUnitNum;
  24} __attribute__((packed));
  25
  26struct nftl_uci1 {
  27        uint32_t WearInfo;
  28        uint16_t EraseMark;
  29        uint16_t EraseMark1;
  30} __attribute__((packed));
  31
  32struct nftl_uci2 {
  33        uint16_t FoldMark;
  34        uint16_t FoldMark1;
  35        uint32_t unused;
  36} __attribute__((packed));
  37
  38union nftl_uci {
  39        struct nftl_uci0 a;
  40        struct nftl_uci1 b;
  41        struct nftl_uci2 c;
  42};
  43
  44struct nftl_oob {
  45        struct nftl_bci b;
  46        union nftl_uci u;
  47};
  48
  49/* NFTL Media Header */
  50
  51struct NFTLMediaHeader {
  52        char DataOrgID[6];
  53        uint16_t NumEraseUnits;
  54        uint16_t FirstPhysicalEUN;
  55        uint32_t FormattedSize;
  56        unsigned char UnitSizeFactor;
  57} __attribute__((packed));
  58
  59#define MAX_ERASE_ZONES (8192 - 512)
  60
  61#define ERASE_MARK 0x3c69
  62#define SECTOR_FREE 0xff
  63#define SECTOR_USED 0x55
  64#define SECTOR_IGNORE 0x11
  65#define SECTOR_DELETED 0x00
  66
  67#define FOLD_MARK_IN_PROGRESS 0x5555
  68
  69#define ZONE_GOOD 0xff
  70#define ZONE_BAD_ORIGINAL 0
  71#define ZONE_BAD_MARKED 7
  72
  73
  74#endif /* __MTD_NFTL_USER_H__ */
  75