git://bbs.cooldavid.org / net-next-2.6.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
1 | /* |
| 2 | * $Id: nftl.h,v 1.16 2004/06/30 14:49:00 dbrown Exp $ | |
| 3 | * | |
| 4 | * (C) 1999-2003 David Woodhouse <dwmw2@infradead.org> | |
| 5 | */ | |
| 6 | ||
| 7 | #ifndef __MTD_NFTL_H__ | |
| 8 | #define __MTD_NFTL_H__ | |
| 9 | ||
| 10 | #include <linux/mtd/mtd.h> | |
| 11 | #include <linux/mtd/blktrans.h> | |
| 12 | ||
| 13 | #include <mtd/nftl-user.h> | |
| 14 | ||
| 15 | /* these info are used in ReplUnitTable */ | |
| 16 | #define BLOCK_NIL 0xffff /* last block of a chain */ | |
| 17 | #define BLOCK_FREE 0xfffe /* free block */ | |
| 18 | #define BLOCK_NOTEXPLORED 0xfffd /* non explored block, only used during mounting */ | |
| 19 | #define BLOCK_RESERVED 0xfffc /* bios block or bad block */ | |
| 20 | ||
| 21 | struct NFTLrecord { | |
| 22 | struct mtd_blktrans_dev mbd; | |
| 23 | __u16 MediaUnit, SpareMediaUnit; | |
| 24 | __u32 EraseSize; | |
| 25 | struct NFTLMediaHeader MediaHdr; | |
| 26 | int usecount; | |
| 27 | unsigned char heads; | |
| 28 | unsigned char sectors; | |
| 29 | unsigned short cylinders; | |
| 30 | __u16 numvunits; | |
| 31 | __u16 lastEUN; /* should be suppressed */ | |
| 32 | __u16 numfreeEUNs; | |
| 33 | __u16 LastFreeEUN; /* To speed up finding a free EUN */ | |
| 34 | int head,sect,cyl; | |
| 35 | __u16 *EUNtable; /* [numvunits]: First EUN for each virtual unit */ | |
| 36 | __u16 *ReplUnitTable; /* [numEUNs]: ReplUnitNumber for each */ | |
| 37 | unsigned int nb_blocks; /* number of physical blocks */ | |
| 38 | unsigned int nb_boot_blocks; /* number of blocks used by the bios */ | |
| 39 | struct erase_info instr; | |
| 5bd34c09 | 40 | struct nand_ecclayout oobinfo; |
| 1da177e4 LT |
41 | }; |
| 42 | ||
| 43 | int NFTL_mount(struct NFTLrecord *s); | |
| 44 | int NFTL_formatblock(struct NFTLrecord *s, int block); | |
| 45 | ||
| 46 | #ifndef NFTL_MAJOR | |
| 47 | #define NFTL_MAJOR 93 | |
| 48 | #endif | |
| 49 | ||
| 50 | #define MAX_NFTLS 16 | |
| 51 | #define MAX_SECTORS_PER_UNIT 64 | |
| 52 | #define NFTL_PARTN_BITS 4 | |
| 53 | ||
| 54 | #endif /* __MTD_NFTL_H__ */ |