xref: /aosp_15_r20/bionic/libc/kernel/uapi/mtd/mtd-abi.h (revision 8d67ca893c1523eb926b9080dbe4e2ffd2a27ba1)

/*
 * This file is auto-generated. Modifications will be lost.
 *
 * See https://android.googlesource.com/platform/bionic/+/master/libc/kernel/
 * for more information.
 */
#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  * ptr;
};
struct mtd_oob_buf64 {
  __u64 start;
  __u32 pad;
  __u32 length;
  __u64 usr_ptr;
};
enum {
  MTD_OPS_PLACE_OOB = 0,
  MTD_OPS_AUTO_OOB = 1,
  MTD_OPS_RAW = 2,
};
struct mtd_write_req {
  __u64 start;
  __u64 len;
  __u64 ooblen;
  __u64 usr_data;
  __u64 usr_oob;
  __u8 mode;
  __u8 padding[7];
};
struct mtd_read_req_ecc_stats {
  __u32 uncorrectable_errors;
  __u32 corrected_bitflips;
  __u32 max_bitflips;
};
struct mtd_read_req {
  __u64 start;
  __u64 len;
  __u64 ooblen;
  __u64 usr_data;
  __u64 usr_oob;
  __u8 mode;
  __u8 padding[7];
  struct mtd_read_req_ecc_stats ecc_stats;
};
#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_MLCNANDFLASH 8
#define MTD_WRITEABLE 0x400
#define MTD_BIT_WRITEABLE 0x800
#define MTD_NO_ERASE 0x1000
#define MTD_POWERUP_LOCK 0x2000
#define MTD_SLC_ON_MLC_EMULATION 0x4000
#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)
#define MTD_CAP_NVRAM (MTD_WRITEABLE | MTD_BIT_WRITEABLE | MTD_NO_ERASE)
#define MTD_NANDECC_OFF 0
#define MTD_NANDECC_PLACE 1
#define MTD_NANDECC_AUTOPLACE 2
#define MTD_NANDECC_PLACEONLY 3
#define MTD_NANDECC_AUTOPL_USR 4
#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;
  __u32 erasesize;
  __u32 writesize;
  __u32 oobsize;
  __u64 padding;
};
struct region_info_user {
  __u32 offset;
  __u32 erasesize;
  __u32 numblocks;
  __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 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_user)
#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)
#define MEMISLOCKED _IOR('M', 23, struct erase_info_user)
#define MEMWRITE _IOWR('M', 24, struct mtd_write_req)
#define OTPERASE _IOW('M', 25, struct otp_info)
#define MEMREAD _IOWR('M', 26, struct mtd_read_req)
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
#define MTD_MAX_ECCPOS_ENTRIES 64
struct nand_ecclayout_user {
  __u32 eccbytes;
  __u32 eccpos[MTD_MAX_ECCPOS_ENTRIES];
  __u32 oobavail;
  struct nand_oobfree oobfree[MTD_MAX_OOBFREE_ENTRIES];
};
struct mtd_ecc_stats {
  __u32 corrected;
  __u32 failed;
  __u32 badblocks;
  __u32 bbtblocks;
};
enum mtd_file_modes {
  MTD_FILE_MODE_NORMAL = MTD_OTP_OFF,
  MTD_FILE_MODE_OTP_FACTORY = MTD_OTP_FACTORY,
  MTD_FILE_MODE_OTP_USER = MTD_OTP_USER,
  MTD_FILE_MODE_RAW,
};
#endif