diff options
Diffstat (limited to 'include/linux/mtd/nftl.h')
| -rw-r--r-- | include/linux/mtd/nftl.h | 93 |
1 files changed, 21 insertions, 72 deletions
diff --git a/include/linux/mtd/nftl.h b/include/linux/mtd/nftl.h index b0337c3..04963a5 100644 --- a/include/linux/mtd/nftl.h +++ b/include/linux/mtd/nftl.h @@ -1,75 +1,16 @@ - -/* Defines for NAND Flash Translation Layer */ -/* (c) 1999 Machine Vision Holdings, Inc. */ -/* Author: David Woodhouse <dwmw2@mvhi.com> */ -/* $Id: nftl.h,v 1.10 2000/12/29 00:25:38 dwmw2 Exp $ */ +/* + * $Id: nftl.h,v 1.16 2004/06/30 14:49:00 dbrown Exp $ + * + * (C) 1999-2003 David Woodhouse <dwmw2@infradead.org> + */ #ifndef __MTD_NFTL_H__ #define __MTD_NFTL_H__ -/* Block Control Information */ - -struct nftl_bci { - unsigned char ECCSig[6]; - __u8 Status; - __u8 Status1; -}__attribute__((packed)); - -/* Unit Control Information */ - -struct nftl_uci0 { - __u16 VirtUnitNum; - __u16 ReplUnitNum; - __u16 SpareVirtUnitNum; - __u16 SpareReplUnitNum; -} __attribute__((packed)); - -struct nftl_uci1 { - __u32 WearInfo; - __u16 EraseMark; - __u16 EraseMark1; -} __attribute__((packed)); +#include <linux/mtd/mtd.h> +#include <linux/mtd/blktrans.h> -struct nftl_uci2 { - __u16 FoldMark; - __u16 FoldMark1; - __u32 unused; -} __attribute__((packed)); - -union nftl_uci { - struct nftl_uci0 a; - struct nftl_uci1 b; - struct nftl_uci2 c; -}; - -struct nftl_oob { - struct nftl_bci b; - union nftl_uci u; -}; - -/* NFTL Media Header */ - -struct NFTLMediaHeader { - char DataOrgID[6]; - __u16 NumEraseUnits; - __u16 FirstPhysicalEUN; - __u32 FormattedSize; - unsigned char UnitSizeFactor; -} __attribute__((packed)); - -#define MAX_ERASE_ZONES (8192 - 512) - -#define ERASE_MARK 0x3c69 -#define SECTOR_FREE 0xff -#define SECTOR_USED 0x55 -#define SECTOR_IGNORE 0x11 -#define SECTOR_DELETED 0x00 - -#define FOLD_MARK_IN_PROGRESS 0x5555 - -#define ZONE_GOOD 0xff -#define ZONE_BAD_ORIGINAL 0 -#define ZONE_BAD_MARKED 7 +#include <linux/mtd/nftl-user.h> /* these info are used in ReplUnitTable */ #define BLOCK_NIL 0xffff /* last block of a chain */ @@ -78,7 +19,7 @@ struct NFTLMediaHeader { #define BLOCK_RESERVED 0xfffc /* bios block or bad block */ struct NFTLrecord { - struct DiskOnChip *mtd; + struct mtd_blktrans_dev mbd; __u16 MediaUnit, SpareMediaUnit; __u32 EraseSize; struct NFTLMediaHeader MediaHdr; @@ -90,16 +31,24 @@ struct NFTLrecord { __u16 lastEUN; /* should be suppressed */ __u16 numfreeEUNs; __u16 LastFreeEUN; /* To speed up finding a free EUN */ - __u32 nr_sects; int head,sect,cyl; __u16 *EUNtable; /* [numvunits]: First EUN for each virtual unit */ __u16 *ReplUnitTable; /* [numEUNs]: ReplUnitNumber for each */ - unsigned int nb_blocks; /* number of physical blocks */ - unsigned int nb_boot_blocks; /* number of blocks used by the bios */ + unsigned int nb_blocks; /* number of physical blocks */ + unsigned int nb_boot_blocks; /* number of blocks used by the bios */ + struct erase_info instr; + struct nand_ecclayout oobinfo; }; +int NFTL_mount(struct NFTLrecord *s); +int NFTL_formatblock(struct NFTLrecord *s, int block); + +#ifndef NFTL_MAJOR +#define NFTL_MAJOR 93 +#endif + #define MAX_NFTLS 16 -#define MAX_SECTORS_PER_UNIT 32 +#define MAX_SECTORS_PER_UNIT 64 #define NFTL_PARTN_BITS 4 #endif /* __MTD_NFTL_H__ */ |