156 lines
4.5 KiB
C
156 lines
4.5 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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*** To edit the content of this header, modify the corresponding
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*** source file (e.g. under external/kernel-headers/original/) then
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*** run bionic/libc/kernel/tools/update_all.py
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***
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*** Any manual change here will be lost the next time this script will
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*** be run. You've been warned!
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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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#include <linux/types.h>
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struct erase_info_user {
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__u32 start;
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__u32 length;
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};
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struct erase_info_user64 {
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__u64 start;
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__u64 length;
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};
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struct mtd_oob_buf {
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__u32 start;
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__u32 length;
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unsigned char __user * ptr;
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};
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struct mtd_oob_buf64 {
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__u64 start;
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__u32 pad;
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__u32 length;
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__u64 usr_ptr;
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};
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enum {
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MTD_OPS_PLACE_OOB = 0,
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MTD_OPS_AUTO_OOB = 1,
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MTD_OPS_RAW = 2,
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};
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struct mtd_write_req {
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__u64 start;
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__u64 len;
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__u64 ooblen;
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__u64 usr_data;
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__u64 usr_oob;
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__u8 mode;
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__u8 padding[7];
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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_UBIVOLUME 7
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#define MTD_MLCNANDFLASH 8
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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_POWERUP_LOCK 0x2000
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#define MTD_SLC_ON_MLC_EMULATION 0x4000
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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_CAP_NVRAM (MTD_WRITEABLE | MTD_BIT_WRITEABLE | MTD_NO_ERASE)
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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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__u8 type;
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__u32 flags;
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__u32 size;
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__u32 erasesize;
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__u32 writesize;
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__u32 oobsize;
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__u64 padding;
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};
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struct region_info_user {
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__u32 offset;
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__u32 erasesize;
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__u32 numblocks;
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__u32 regionindex;
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};
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struct otp_info {
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__u32 start;
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__u32 length;
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__u32 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 MEMGETOOBSEL _IOR('M', 10, struct nand_oobinfo)
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#define MEMGETBADBLOCK _IOW('M', 11, __kernel_loff_t)
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#define MEMSETBADBLOCK _IOW('M', 12, __kernel_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_user)
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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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#define MEMERASE64 _IOW('M', 20, struct erase_info_user64)
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#define MEMWRITEOOB64 _IOWR('M', 21, struct mtd_oob_buf64)
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#define MEMREADOOB64 _IOWR('M', 22, struct mtd_oob_buf64)
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#define MEMISLOCKED _IOR('M', 23, struct erase_info_user)
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#define MEMWRITE _IOWR('M', 24, struct mtd_write_req)
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#define OTPERASE _IOW('M', 25, struct otp_info)
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struct nand_oobinfo {
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__u32 useecc;
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__u32 eccbytes;
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__u32 oobfree[8][2];
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__u32 eccpos[32];
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};
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struct nand_oobfree {
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__u32 offset;
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__u32 length;
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};
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#define MTD_MAX_OOBFREE_ENTRIES 8
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#define MTD_MAX_ECCPOS_ENTRIES 64
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struct nand_ecclayout_user {
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__u32 eccbytes;
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__u32 eccpos[MTD_MAX_ECCPOS_ENTRIES];
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__u32 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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__u32 corrected;
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__u32 failed;
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__u32 badblocks;
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__u32 bbtblocks;
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};
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enum mtd_file_modes {
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MTD_FILE_MODE_NORMAL = MTD_OTP_OFF,
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MTD_FILE_MODE_OTP_FACTORY = MTD_OTP_FACTORY,
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MTD_FILE_MODE_OTP_USER = MTD_OTP_USER,
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MTD_FILE_MODE_RAW,
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};
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#endif
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