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Diffstat (limited to 'include/mtd/mtd-abi.h')
| -rw-r--r-- | include/mtd/mtd-abi.h | 167 |
1 files changed, 0 insertions, 167 deletions
diff --git a/include/mtd/mtd-abi.h b/include/mtd/mtd-abi.h deleted file mode 100644 index be51ae2bd0f..00000000000 --- a/include/mtd/mtd-abi.h +++ /dev/null @@ -1,167 +0,0 @@ -/* - * Portions of MTD ABI definition which are shared by kernel and user space - */ - -#ifndef __MTD_ABI_H__ -#define __MTD_ABI_H__ - -#include <linux/types.h> - -struct erase_info_user { - __u32 start; - __u32 length; -}; - -struct erase_info_user64 { - __u64 start; - __u64 length; -}; - -struct mtd_oob_buf { - __u32 start; - __u32 length; - unsigned char __user *ptr; -}; - -struct mtd_oob_buf64 { - __u64 start; - __u32 pad; - __u32 length; - __u64 usr_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_POWERUP_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 { - __u8 type; - __u32 flags; - __u32 size; // Total size of the MTD - __u32 erasesize; - __u32 writesize; - __u32 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) */ - __u32 ecctype; - __u32 eccsize; -}; - -struct region_info_user { - __u32 offset; /* At which this region starts, - * from the beginning of the MTD */ - __u32 erasesize; /* For this region */ - __u32 numblocks; /* Number of blocks in this region */ - __u32 regionindex; -}; - -struct otp_info { - __u32 start; - __u32 length; - __u32 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, __kernel_loff_t) -#define MEMSETBADBLOCK _IOW('M', 12, __kernel_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) -#define MEMERASE64 _IOW('M', 20, struct erase_info_user64) -#define MEMWRITEOOB64 _IOWR('M', 21, struct mtd_oob_buf64) -#define MEMREADOOB64 _IOWR('M', 22, struct mtd_oob_buf64) - -/* - * Obsolete legacy interface. Keep it in order not to break userspace - * interfaces - */ -struct nand_oobinfo { - __u32 useecc; - __u32 eccbytes; - __u32 oobfree[8][2]; - __u32 eccpos[32]; -}; - -struct nand_oobfree { - __u32 offset; - __u32 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 { - __u32 eccbytes; - __u32 eccpos[64]; - __u32 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 { - __u32 corrected; - __u32 failed; - __u32 badblocks; - __u32 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__ */ |