134 lines
3.4 KiB
C
134 lines
3.4 KiB
C
/****************************************************************************
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****************************************************************************
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***
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*** This header was automatically generated from a Linux kernel header
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*** of the same name, to make information necessary for userspace to
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*** call into the kernel available to libc. It contains only constants,
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*** structures, and macros generated from the original header, and thus,
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*** contains no copyrightable information.
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***
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****************************************************************************
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****************************************************************************/
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#ifndef __MTD_ABI_H__
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#define __MTD_ABI_H__
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struct erase_info_user {
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uint32_t start;
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uint32_t length;
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};
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struct mtd_oob_buf {
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uint32_t start;
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uint32_t length;
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unsigned char __user *ptr;
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};
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#define MTD_ABSENT 0
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#define MTD_RAM 1
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#define MTD_ROM 2
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#define MTD_NORFLASH 3
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#define MTD_NANDFLASH 4
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#define MTD_DATAFLASH 6
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#define MTD_WRITEABLE 0x400
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#define MTD_BIT_WRITEABLE 0x800
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#define MTD_NO_ERASE 0x1000
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#define MTD_STUPID_LOCK 0x2000
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#define MTD_CAP_ROM 0
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#define MTD_CAP_RAM (MTD_WRITEABLE | MTD_BIT_WRITEABLE | MTD_NO_ERASE)
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#define MTD_CAP_NORFLASH (MTD_WRITEABLE | MTD_BIT_WRITEABLE)
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#define MTD_CAP_NANDFLASH (MTD_WRITEABLE)
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#define MTD_NANDECC_OFF 0
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#define MTD_NANDECC_PLACE 1
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#define MTD_NANDECC_AUTOPLACE 2
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#define MTD_NANDECC_PLACEONLY 3
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#define MTD_NANDECC_AUTOPL_USR 4
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#define MTD_OTP_OFF 0
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#define MTD_OTP_FACTORY 1
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#define MTD_OTP_USER 2
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struct mtd_info_user {
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uint8_t type;
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uint32_t flags;
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uint32_t size;
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uint32_t erasesize;
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uint32_t writesize;
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uint32_t oobsize;
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uint32_t ecctype;
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uint32_t eccsize;
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};
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struct region_info_user {
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uint32_t offset;
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uint32_t erasesize;
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uint32_t numblocks;
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uint32_t regionindex;
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};
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struct otp_info {
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uint32_t start;
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uint32_t length;
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uint32_t locked;
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};
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#define MEMGETINFO _IOR('M', 1, struct mtd_info_user)
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#define MEMERASE _IOW('M', 2, struct erase_info_user)
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#define MEMWRITEOOB _IOWR('M', 3, struct mtd_oob_buf)
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#define MEMREADOOB _IOWR('M', 4, struct mtd_oob_buf)
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#define MEMLOCK _IOW('M', 5, struct erase_info_user)
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#define MEMUNLOCK _IOW('M', 6, struct erase_info_user)
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#define MEMGETREGIONCOUNT _IOR('M', 7, int)
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#define MEMGETREGIONINFO _IOWR('M', 8, struct region_info_user)
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#define MEMSETOOBSEL _IOW('M', 9, struct nand_oobinfo)
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#define MEMGETOOBSEL _IOR('M', 10, struct nand_oobinfo)
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#define MEMGETBADBLOCK _IOW('M', 11, loff_t)
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#define MEMSETBADBLOCK _IOW('M', 12, loff_t)
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#define OTPSELECT _IOR('M', 13, int)
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#define OTPGETREGIONCOUNT _IOW('M', 14, int)
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#define OTPGETREGIONINFO _IOW('M', 15, struct otp_info)
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#define OTPLOCK _IOR('M', 16, struct otp_info)
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#define ECCGETLAYOUT _IOR('M', 17, struct nand_ecclayout)
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#define ECCGETSTATS _IOR('M', 18, struct mtd_ecc_stats)
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#define MTDFILEMODE _IO('M', 19)
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struct nand_oobinfo {
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uint32_t useecc;
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uint32_t eccbytes;
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uint32_t oobfree[8][2];
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uint32_t eccpos[32];
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};
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struct nand_oobfree {
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uint32_t offset;
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uint32_t length;
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};
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#define MTD_MAX_OOBFREE_ENTRIES 8
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struct nand_ecclayout {
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uint32_t eccbytes;
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uint32_t eccpos[64];
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uint32_t oobavail;
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struct nand_oobfree oobfree[MTD_MAX_OOBFREE_ENTRIES];
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};
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struct mtd_ecc_stats {
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uint32_t corrected;
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uint32_t failed;
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uint32_t badblocks;
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uint32_t bbtblocks;
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};
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enum mtd_file_modes {
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MTD_MODE_NORMAL = MTD_OTP_OFF,
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MTD_MODE_OTP_FACTORY = MTD_OTP_FACTORY,
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MTD_MODE_OTP_USER = MTD_OTP_USER,
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MTD_MODE_RAW,
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};
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#endif
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