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b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
1da177e4 LT |
2 | /* |
3 | * inftl.h -- defines to support the Inverse NAND Flash Translation Layer | |
4 | * | |
5 | * (C) Copyright 2002, Greg Ungerer (gerg@snapgear.com) | |
1da177e4 LT |
6 | */ |
7 | ||
8 | #ifndef __MTD_INFTL_H__ | |
9 | #define __MTD_INFTL_H__ | |
10 | ||
11 | #ifndef __KERNEL__ | |
12 | #error This is a kernel header. Perhaps include nftl-user.h instead? | |
13 | #endif | |
14 | ||
15 | #include <linux/mtd/blktrans.h> | |
16 | #include <linux/mtd/mtd.h> | |
17 | #include <linux/mtd/nftl.h> | |
18 | ||
19 | #include <mtd/inftl-user.h> | |
20 | ||
21 | #ifndef INFTL_MAJOR | |
bfabb986 | 22 | #define INFTL_MAJOR 96 |
1da177e4 LT |
23 | #endif |
24 | #define INFTL_PARTN_BITS 4 | |
25 | ||
26 | #ifdef __KERNEL__ | |
27 | ||
28 | struct INFTLrecord { | |
29 | struct mtd_blktrans_dev mbd; | |
30 | __u16 MediaUnit; | |
31 | __u32 EraseSize; | |
32 | struct INFTLMediaHeader MediaHdr; | |
33 | int usecount; | |
34 | unsigned char heads; | |
35 | unsigned char sectors; | |
36 | unsigned short cylinders; | |
37 | __u16 numvunits; | |
38 | __u16 firstEUN; | |
39 | __u16 lastEUN; | |
40 | __u16 numfreeEUNs; | |
f4a2da0c | 41 | __u16 LastFreeEUN; /* To speed up finding a free EUN */ |
1da177e4 | 42 | int head,sect,cyl; |
f4a2da0c BN |
43 | __u16 *PUtable; /* Physical Unit Table */ |
44 | __u16 *VUtable; /* Virtual Unit Table */ | |
45 | unsigned int nb_blocks; /* number of physical blocks */ | |
46 | unsigned int nb_boot_blocks; /* number of blocks used by the bios */ | |
47 | struct erase_info instr; | |
1da177e4 LT |
48 | }; |
49 | ||
50 | int INFTL_mount(struct INFTLrecord *s); | |
51 | int INFTL_formatblock(struct INFTLrecord *s, int block); | |
52 | ||
0500abf5 AB |
53 | void INFTL_dumptables(struct INFTLrecord *s); |
54 | void INFTL_dumpVUchains(struct INFTLrecord *s); | |
55 | ||
a8e8aa25 AB |
56 | int inftl_read_oob(struct mtd_info *mtd, loff_t offs, size_t len, |
57 | size_t *retlen, uint8_t *buf); | |
58 | int inftl_write_oob(struct mtd_info *mtd, loff_t offs, size_t len, | |
59 | size_t *retlen, uint8_t *buf); | |
60 | ||
1da177e4 LT |
61 | #endif /* __KERNEL__ */ |
62 | ||
63 | #endif /* __MTD_INFTL_H__ */ |