diff options
Diffstat (limited to 'include/linux/mtd/nftl.h')
| -rw-r--r-- | include/linux/mtd/nftl.h | 44 |
1 files changed, 32 insertions, 12 deletions
diff --git a/include/linux/mtd/nftl.h b/include/linux/mtd/nftl.h index 153fa5c6a..ae00ceb0b 100644 --- a/include/linux/mtd/nftl.h +++ b/include/linux/mtd/nftl.h @@ -2,18 +2,21 @@ /* Defines for NAND Flash Translation Layer */ /* (c) 1999 Machine Vision Holdings, Inc. */ /* Author: David Woodhouse <dwmw2@mvhi.com> */ -/* $Id: nftl.h,v 1.6 2000/03/31 15:12:20 dwmw2 Exp $ */ +/* $Id: nftl.h,v 1.9 2000/11/07 05:48:49 ollie Exp $ */ #ifndef __MTD_NFTL_H__ #define __MTD_NFTL_H__ +#ifndef __BOOT__ #include <linux/mtd/mtd.h> +#endif /* Block Control Information */ struct nftl_bci { unsigned char ECCSig[6]; - __u16 Status; + __u8 Status; + __u8 Status1; }__attribute__((packed)); /* Unit Control Information */ @@ -32,7 +35,8 @@ struct nftl_uci1 { } __attribute__((packed)); struct nftl_uci2 { - __u32 WriteInh; + __u16 FoldMark; + __u16 FoldMark1; __u32 unused; } __attribute__((packed)); @@ -60,10 +64,12 @@ struct NFTLMediaHeader { #define MAX_ERASE_ZONES (8192 - 512) #define ERASE_MARK 0x3c69 -#define BLOCK_FREE 0xffff -#define BLOCK_USED 0x5555 -#define BLOCK_IGNORE 0x1111 -#define BLOCK_DELETED 0x0000 +#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 @@ -71,6 +77,11 @@ struct NFTLMediaHeader { #ifdef __KERNEL__ +/* these info are used in ReplUnitTable */ +#define BLOCK_NIL 0xffff /* last block of a chain */ +#define BLOCK_FREE 0xfffe /* free block */ +#define BLOCK_NOTEXPLORED 0xfffd /* non explored block, only used during mounting */ +#define BLOCK_RESERVED 0xfffc /* bios block or bad block */ struct NFTLrecord { struct mtd_info *mtd; @@ -83,18 +94,27 @@ struct NFTLrecord { unsigned char sectors; unsigned short cylinders; __u16 numvunits; - __u16 lastEUN; + __u16 lastEUN; /* should be suppressed */ __u16 numfreeEUNs; - __u16 LastFreeEUN; /* To speed up finding a free EUN */ + __u16 LastFreeEUN; /* To speed up finding a free EUN */ __u32 long nr_sects; int head,sect,cyl; - __u16 *EUNtable; /* [numvunits]: First EUN for each virtual unit */ - __u16 *VirtualUnitTable; /* [numEUNs]: VirtualUnitNumber for each */ - __u16 *ReplUnitTable; /* [numEUNs]: ReplUnitNumber for each */ + __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 */ + struct erase_info instr; }; +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 #endif /* __KERNEL__ */ |