1 /* 2 * inftl.h -- defines to support the Inverse NAND Flash Translation Layer 3 * 4 * (C) Copyright 2002, Greg Ungerer (gerg@snapgear.com) 5 */ 6 7 #ifndef __MTD_INFTL_H__ 8 #define __MTD_INFTL_H__ 9 10 #ifndef __KERNEL__ 11 #error This is a kernel header. Perhaps include nftl-user.h instead? 12 #endif 13 14 #include <linux/mtd/blktrans.h> 15 #include <linux/mtd/mtd.h> 16 #include <linux/mtd/nftl.h> 17 18 #include <mtd/inftl-user.h> 19 20 #ifndef INFTL_MAJOR 21 #define INFTL_MAJOR 96 22 #endif 23 #define INFTL_PARTN_BITS 4 24 25 #ifdef __KERNEL__ 26 27 struct INFTLrecord { 28 struct mtd_blktrans_dev mbd; 29 __u16 MediaUnit; 30 __u32 EraseSize; 31 struct INFTLMediaHeader MediaHdr; 32 int usecount; 33 unsigned char heads; 34 unsigned char sectors; 35 unsigned short cylinders; 36 __u16 numvunits; 37 __u16 firstEUN; 38 __u16 lastEUN; 39 __u16 numfreeEUNs; 40 __u16 LastFreeEUN; /* To speed up finding a free EUN */ 41 int head,sect,cyl; 42 __u16 *PUtable; /* Physical Unit Table */ 43 __u16 *VUtable; /* Virtual Unit Table */ 44 unsigned int nb_blocks; /* number of physical blocks */ 45 unsigned int nb_boot_blocks; /* number of blocks used by the bios */ 46 struct erase_info instr; 47 }; 48 49 int INFTL_mount(struct INFTLrecord *s); 50 int INFTL_formatblock(struct INFTLrecord *s, int block); 51 52 void INFTL_dumptables(struct INFTLrecord *s); 53 void INFTL_dumpVUchains(struct INFTLrecord *s); 54 55 int inftl_read_oob(struct mtd_info *mtd, loff_t offs, size_t len, 56 size_t *retlen, uint8_t *buf); 57 int inftl_write_oob(struct mtd_info *mtd, loff_t offs, size_t len, 58 size_t *retlen, uint8_t *buf); 59 60 #endif /* __KERNEL__ */ 61 62 #endif /* __MTD_INFTL_H__ */ 63