1/**************************************************************************** 2 **************************************************************************** 3 *** 4 *** This header was automatically generated from a Linux kernel header 5 *** of the same name, to make information necessary for userspace to 6 *** call into the kernel available to libc. It contains only constants, 7 *** structures, and macros generated from the original header, and thus, 8 *** contains no copyrightable information. 9 *** 10 *** To edit the content of this header, modify the corresponding 11 *** source file (e.g. under external/kernel-headers/original/) then 12 *** run bionic/libc/kernel/tools/update_all.py 13 *** 14 *** Any manual change here will be lost the next time this script will 15 *** be run. You've been warned! 16 *** 17 **************************************************************************** 18 ****************************************************************************/ 19#ifndef __MTD_ABI_H__ 20#define __MTD_ABI_H__ 21#include <linux/types.h> 22struct erase_info_user { 23 __u32 start; 24 __u32 length; 25}; 26struct erase_info_user64 { 27 __u64 start; 28 __u64 length; 29}; 30struct mtd_oob_buf { 31 __u32 start; 32 __u32 length; 33 unsigned char __user * ptr; 34}; 35struct mtd_oob_buf64 { 36 __u64 start; 37 __u32 pad; 38 __u32 length; 39 __u64 usr_ptr; 40}; 41enum { 42 MTD_OPS_PLACE_OOB = 0, 43 MTD_OPS_AUTO_OOB = 1, 44 MTD_OPS_RAW = 2, 45}; 46struct mtd_write_req { 47 __u64 start; 48 __u64 len; 49 __u64 ooblen; 50 __u64 usr_data; 51 __u64 usr_oob; 52 __u8 mode; 53 __u8 padding[7]; 54}; 55#define MTD_ABSENT 0 56#define MTD_RAM 1 57#define MTD_ROM 2 58#define MTD_NORFLASH 3 59#define MTD_NANDFLASH 4 60#define MTD_DATAFLASH 6 61#define MTD_UBIVOLUME 7 62#define MTD_MLCNANDFLASH 8 63#define MTD_WRITEABLE 0x400 64#define MTD_BIT_WRITEABLE 0x800 65#define MTD_NO_ERASE 0x1000 66#define MTD_POWERUP_LOCK 0x2000 67#define MTD_CAP_ROM 0 68#define MTD_CAP_RAM (MTD_WRITEABLE | MTD_BIT_WRITEABLE | MTD_NO_ERASE) 69#define MTD_CAP_NORFLASH (MTD_WRITEABLE | MTD_BIT_WRITEABLE) 70#define MTD_CAP_NANDFLASH (MTD_WRITEABLE) 71#define MTD_CAP_NVRAM (MTD_WRITEABLE | MTD_BIT_WRITEABLE | MTD_NO_ERASE) 72#define MTD_NANDECC_OFF 0 73#define MTD_NANDECC_PLACE 1 74#define MTD_NANDECC_AUTOPLACE 2 75#define MTD_NANDECC_PLACEONLY 3 76#define MTD_NANDECC_AUTOPL_USR 4 77#define MTD_OTP_OFF 0 78#define MTD_OTP_FACTORY 1 79#define MTD_OTP_USER 2 80struct mtd_info_user { 81 __u8 type; 82 __u32 flags; 83 __u32 size; 84 __u32 erasesize; 85 __u32 writesize; 86 __u32 oobsize; 87 __u64 padding; 88}; 89struct region_info_user { 90 __u32 offset; 91 __u32 erasesize; 92 __u32 numblocks; 93 __u32 regionindex; 94}; 95struct otp_info { 96 __u32 start; 97 __u32 length; 98 __u32 locked; 99}; 100#define MEMGETINFO _IOR('M', 1, struct mtd_info_user) 101#define MEMERASE _IOW('M', 2, struct erase_info_user) 102#define MEMWRITEOOB _IOWR('M', 3, struct mtd_oob_buf) 103#define MEMREADOOB _IOWR('M', 4, struct mtd_oob_buf) 104#define MEMLOCK _IOW('M', 5, struct erase_info_user) 105#define MEMUNLOCK _IOW('M', 6, struct erase_info_user) 106#define MEMGETREGIONCOUNT _IOR('M', 7, int) 107#define MEMGETREGIONINFO _IOWR('M', 8, struct region_info_user) 108#define MEMGETOOBSEL _IOR('M', 10, struct nand_oobinfo) 109#define MEMGETBADBLOCK _IOW('M', 11, __kernel_loff_t) 110#define MEMSETBADBLOCK _IOW('M', 12, __kernel_loff_t) 111#define OTPSELECT _IOR('M', 13, int) 112#define OTPGETREGIONCOUNT _IOW('M', 14, int) 113#define OTPGETREGIONINFO _IOW('M', 15, struct otp_info) 114#define OTPLOCK _IOR('M', 16, struct otp_info) 115#define ECCGETLAYOUT _IOR('M', 17, struct nand_ecclayout_user) 116#define ECCGETSTATS _IOR('M', 18, struct mtd_ecc_stats) 117#define MTDFILEMODE _IO('M', 19) 118#define MEMERASE64 _IOW('M', 20, struct erase_info_user64) 119#define MEMWRITEOOB64 _IOWR('M', 21, struct mtd_oob_buf64) 120#define MEMREADOOB64 _IOWR('M', 22, struct mtd_oob_buf64) 121#define MEMISLOCKED _IOR('M', 23, struct erase_info_user) 122#define MEMWRITE _IOWR('M', 24, struct mtd_write_req) 123struct nand_oobinfo { 124 __u32 useecc; 125 __u32 eccbytes; 126 __u32 oobfree[8][2]; 127 __u32 eccpos[32]; 128}; 129struct nand_oobfree { 130 __u32 offset; 131 __u32 length; 132}; 133#define MTD_MAX_OOBFREE_ENTRIES 8 134#define MTD_MAX_ECCPOS_ENTRIES 64 135struct nand_ecclayout_user { 136 __u32 eccbytes; 137 __u32 eccpos[MTD_MAX_ECCPOS_ENTRIES]; 138 __u32 oobavail; 139 struct nand_oobfree oobfree[MTD_MAX_OOBFREE_ENTRIES]; 140}; 141struct mtd_ecc_stats { 142 __u32 corrected; 143 __u32 failed; 144 __u32 badblocks; 145 __u32 bbtblocks; 146}; 147enum mtd_file_modes { 148 MTD_FILE_MODE_NORMAL = MTD_OTP_OFF, 149 MTD_FILE_MODE_OTP_FACTORY = MTD_OTP_FACTORY, 150 MTD_FILE_MODE_OTP_USER = MTD_OTP_USER, 151 MTD_FILE_MODE_RAW, 152}; 153#endif 154