+++ /dev/null
-/*
- * $Id: mtd-abi.h,v 1.13 2005/11/07 11:14:56 gleixner Exp $
- *
- * Portions of MTD ABI definition which are shared by kernel and user space
- */
-
-#ifndef __MTD_ABI_H__
-#define __MTD_ABI_H__
-
-#if 1
-#include <linux/compat.h>
-#endif
-
-#include <linux/compiler.h>
-
-struct erase_info_user {
- uint32_t start;
- uint32_t length;
-};
-
-struct mtd_oob_buf {
- uint32_t start;
- uint32_t length;
- unsigned char __user *ptr;
-};
-
-#define MTD_ABSENT 0
-#define MTD_RAM 1
-#define MTD_ROM 2
-#define MTD_NORFLASH 3
-#define MTD_NANDFLASH 4
-#define MTD_DATAFLASH 6
-#define MTD_UBIVOLUME 7
-
-#define MTD_WRITEABLE 0x400 /* Device is writeable */
-#define MTD_BIT_WRITEABLE 0x800 /* Single bits can be flipped */
-#define MTD_NO_ERASE 0x1000 /* No erase necessary */
-#define MTD_STUPID_LOCK 0x2000 /* Always locked after reset */
-
-/* Some common devices / combinations of capabilities */
-#define MTD_CAP_ROM 0
-#define MTD_CAP_RAM (MTD_WRITEABLE | MTD_BIT_WRITEABLE | MTD_NO_ERASE)
-#define MTD_CAP_NORFLASH (MTD_WRITEABLE | MTD_BIT_WRITEABLE)
-#define MTD_CAP_NANDFLASH (MTD_WRITEABLE)
-
-/* ECC byte placement */
-#define MTD_NANDECC_OFF 0 /* Switch off ECC (Not recommended) */
-#define MTD_NANDECC_PLACE 1 /* Use the given placement in the structure (YAFFS1 legacy mode) */
-#define MTD_NANDECC_AUTOPLACE 2 /* Use the default placement scheme */
-#define MTD_NANDECC_PLACEONLY 3 /* Use the given placement in the structure (Do not store ecc result on read) */
-#define MTD_NANDECC_AUTOPL_USR 4 /* Use the given autoplacement scheme rather than using the default */
-
-/* OTP mode selection */
-#define MTD_OTP_OFF 0
-#define MTD_OTP_FACTORY 1
-#define MTD_OTP_USER 2
-
-struct mtd_info_user {
- uint8_t type;
- uint32_t flags;
- uint32_t size; /* Total size of the MTD */
- uint32_t erasesize;
- uint32_t writesize;
- uint32_t oobsize; /* Amount of OOB data per block (e.g. 16) */
- /* The below two fields are obsolete and broken, do not use them
- * (TODO: remove at some point) */
- uint32_t ecctype;
- uint32_t eccsize;
-};
-
-struct region_info_user {
- uint32_t offset; /* At which this region starts,
- * from the beginning of the MTD */
- uint32_t erasesize; /* For this region */
- uint32_t numblocks; /* Number of blocks in this region */
- uint32_t regionindex;
-};
-
-struct otp_info {
- uint32_t start;
- uint32_t length;
- uint32_t locked;
-};
-
-#define MEMGETINFO _IOR('M', 1, struct mtd_info_user)
-#define MEMERASE _IOW('M', 2, struct erase_info_user)
-#define MEMWRITEOOB _IOWR('M', 3, struct mtd_oob_buf)
-#define MEMREADOOB _IOWR('M', 4, struct mtd_oob_buf)
-#define MEMLOCK _IOW('M', 5, struct erase_info_user)
-#define MEMUNLOCK _IOW('M', 6, struct erase_info_user)
-#define MEMGETREGIONCOUNT _IOR('M', 7, int)
-#define MEMGETREGIONINFO _IOWR('M', 8, struct region_info_user)
-#define MEMSETOOBSEL _IOW('M', 9, struct nand_oobinfo)
-#define MEMGETOOBSEL _IOR('M', 10, struct nand_oobinfo)
-#define MEMGETBADBLOCK _IOW('M', 11, loff_t)
-#define MEMSETBADBLOCK _IOW('M', 12, loff_t)
-#define OTPSELECT _IOR('M', 13, int)
-#define OTPGETREGIONCOUNT _IOW('M', 14, int)
-#define OTPGETREGIONINFO _IOW('M', 15, struct otp_info)
-#define OTPLOCK _IOR('M', 16, struct otp_info)
-#define ECCGETLAYOUT _IOR('M', 17, struct nand_ecclayout)
-#define ECCGETSTATS _IOR('M', 18, struct mtd_ecc_stats)
-#define MTDFILEMODE _IO('M', 19)
-
-/*
- * Obsolete legacy interface. Keep it in order not to break userspace
- * interfaces
- */
-struct nand_oobinfo {
- uint32_t useecc;
- uint32_t eccbytes;
- uint32_t oobfree[8][2];
- uint32_t eccpos[48];
-};
-
-struct nand_oobfree {
- uint32_t offset;
- uint32_t length;
-};
-
-#define MTD_MAX_OOBFREE_ENTRIES 8
-/*
- * ECC layout control structure. Exported to userspace for
- * diagnosis and to allow creation of raw images
- */
-struct nand_ecclayout {
- uint32_t eccbytes;
- uint32_t eccpos[128];
- uint32_t oobavail;
- struct nand_oobfree oobfree[MTD_MAX_OOBFREE_ENTRIES];
-};
-
-/**
- * struct mtd_ecc_stats - error correction stats
- *
- * @corrected: number of corrected bits
- * @failed: number of uncorrectable errors
- * @badblocks: number of bad blocks in this partition
- * @bbtblocks: number of blocks reserved for bad block tables
- */
-struct mtd_ecc_stats {
- uint32_t corrected;
- uint32_t failed;
- uint32_t badblocks;
- uint32_t bbtblocks;
-};
-
-/*
- * Read/write file modes for access to MTD
- */
-enum mtd_file_modes {
- MTD_MODE_NORMAL = MTD_OTP_OFF,
- MTD_MODE_OTP_FACTORY = MTD_OTP_FACTORY,
- MTD_MODE_OTP_USER = MTD_OTP_USER,
- MTD_MODE_RAW,
-};
-
-#endif /* __MTD_ABI_H__ */
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