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

   1/*
   2 * $Id: nftl-user.h,v 1.2 2005/11/07 11:14:56 gleixner Exp $
   3 *
   4 * Parts of NFTL headers shared with userspace
   5 *
   6 */
   7
   8#ifndef __MTD_NFTL_USER_H__
   9#define __MTD_NFTL_USER_H__
  10
  11/* Block Control Information */
  12
  13struct nftl_bci {
  14        unsigned char ECCSig[6];
  15        uint8_t Status;
  16        uint8_t Status1;
  17}__attribute__((packed));
  18
  19/* Unit Control Information */
  20
  21struct nftl_uci0 {
  22        uint16_t VirtUnitNum;
  23        uint16_t ReplUnitNum;
  24        uint16_t SpareVirtUnitNum;
  25        uint16_t SpareReplUnitNum;
  26} __attribute__((packed));
  27
  28struct nftl_uci1 {
  29        uint32_t WearInfo;
  30        uint16_t EraseMark;
  31        uint16_t EraseMark1;
  32} __attribute__((packed));
  33
  34struct nftl_uci2 {
  35        uint16_t FoldMark;
  36        uint16_t FoldMark1;
  37        uint32_t unused;
  38} __attribute__((packed));
  39
  40union nftl_uci {
  41        struct nftl_uci0 a;
  42        struct nftl_uci1 b;
  43        struct nftl_uci2 c;
  44};
  45
  46struct nftl_oob {
  47        struct nftl_bci b;
  48        union nftl_uci u;
  49};
  50
  51/* NFTL Media Header */
  52
  53struct NFTLMediaHeader {
  54        char DataOrgID[6];
  55        uint16_t NumEraseUnits;
  56        uint16_t FirstPhysicalEUN;
  57        uint32_t FormattedSize;
  58        unsigned char UnitSizeFactor;
  59} __attribute__((packed));
  60
  61#define MAX_ERASE_ZONES (8192 - 512)
  62
  63#define ERASE_MARK 0x3c69
  64#define SECTOR_FREE 0xff
  65#define SECTOR_USED 0x55
  66#define SECTOR_IGNORE 0x11
  67#define SECTOR_DELETED 0x00
  68
  69#define FOLD_MARK_IN_PROGRESS 0x5555
  70
  71#define ZONE_GOOD 0xff
  72#define ZONE_BAD_ORIGINAL 0
  73#define ZONE_BAD_MARKED 7
  74
  75
  76#endif /* __MTD_NFTL_USER_H__ */
  77