| 1 | /* |
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| 2 | * $Id: nftl.h 5637 2005-03-26 18:47:14Z mmazur $ |
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| 3 | * |
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| 4 | * (C) 1999-2003 David Woodhouse <dwmw2@infradead.org> |
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| 5 | */ |
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| 6 | |
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| 7 | #ifndef __MTD_NFTL_H__ |
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| 8 | #define __MTD_NFTL_H__ |
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| 9 | |
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| 10 | #include <asm/types.h> |
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| 11 | |
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| 12 | #include <linux/mtd/mtd.h> |
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| 13 | #include <linux/mtd/blktrans.h> |
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| 14 | |
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| 15 | #include <mtd/nftl-user.h> |
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| 16 | |
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| 17 | /* these info are used in ReplUnitTable */ |
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| 18 | #define BLOCK_NIL 0xffff /* last block of a chain */ |
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| 19 | #define BLOCK_FREE 0xfffe /* free block */ |
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| 20 | #define BLOCK_NOTEXPLORED 0xfffd /* non explored block, only used during mounting */ |
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| 21 | #define BLOCK_RESERVED 0xfffc /* bios block or bad block */ |
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| 22 | |
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| 23 | struct NFTLrecord { |
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| 24 | struct mtd_blktrans_dev mbd; |
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| 25 | __u16 MediaUnit, SpareMediaUnit; |
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| 26 | __u32 EraseSize; |
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| 27 | struct NFTLMediaHeader MediaHdr; |
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| 28 | int usecount; |
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| 29 | unsigned char heads; |
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| 30 | unsigned char sectors; |
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| 31 | unsigned short cylinders; |
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| 32 | __u16 numvunits; |
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| 33 | __u16 lastEUN; /* should be suppressed */ |
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| 34 | __u16 numfreeEUNs; |
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| 35 | __u16 LastFreeEUN; /* To speed up finding a free EUN */ |
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| 36 | int head,sect,cyl; |
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| 37 | __u16 *EUNtable; /* [numvunits]: First EUN for each virtual unit */ |
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| 38 | __u16 *ReplUnitTable; /* [numEUNs]: ReplUnitNumber for each */ |
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| 39 | unsigned int nb_blocks; /* number of physical blocks */ |
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| 40 | unsigned int nb_boot_blocks; /* number of blocks used by the bios */ |
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| 41 | struct erase_info instr; |
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| 42 | struct nand_oobinfo oobinfo; |
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| 43 | }; |
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| 44 | |
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| 45 | int NFTL_mount(struct NFTLrecord *s); |
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| 46 | int NFTL_formatblock(struct NFTLrecord *s, int block); |
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| 47 | |
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| 48 | #ifndef NFTL_MAJOR |
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| 49 | #define NFTL_MAJOR 93 |
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| 50 | #endif |
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| 51 | |
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| 52 | #define MAX_NFTLS 16 |
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| 53 | #define MAX_SECTORS_PER_UNIT 64 |
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| 54 | #define NFTL_PARTN_BITS 4 |
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| 55 | |
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| 56 | #endif /* __MTD_NFTL_H__ */ |
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