1 /* 2 * This file is auto-generated. Modifications will be lost. 3 * 4 * See https://android.googlesource.com/platform/bionic/+/master/libc/kernel/ 5 * for more information. 6 */ 7 #ifndef __MTD_ABI_H__ 8 #define __MTD_ABI_H__ 9 #include <linux/types.h> 10 struct erase_info_user { 11 __u32 start; 12 __u32 length; 13 }; 14 struct erase_info_user64 { 15 __u64 start; 16 __u64 length; 17 }; 18 struct mtd_oob_buf { 19 __u32 start; 20 __u32 length; 21 unsigned char * ptr; 22 }; 23 struct mtd_oob_buf64 { 24 __u64 start; 25 __u32 pad; 26 __u32 length; 27 __u64 usr_ptr; 28 }; 29 enum { 30 MTD_OPS_PLACE_OOB = 0, 31 MTD_OPS_AUTO_OOB = 1, 32 MTD_OPS_RAW = 2, 33 }; 34 struct mtd_write_req { 35 __u64 start; 36 __u64 len; 37 __u64 ooblen; 38 __u64 usr_data; 39 __u64 usr_oob; 40 __u8 mode; 41 __u8 padding[7]; 42 }; 43 struct mtd_read_req_ecc_stats { 44 __u32 uncorrectable_errors; 45 __u32 corrected_bitflips; 46 __u32 max_bitflips; 47 }; 48 struct mtd_read_req { 49 __u64 start; 50 __u64 len; 51 __u64 ooblen; 52 __u64 usr_data; 53 __u64 usr_oob; 54 __u8 mode; 55 __u8 padding[7]; 56 struct mtd_read_req_ecc_stats ecc_stats; 57 }; 58 #define MTD_ABSENT 0 59 #define MTD_RAM 1 60 #define MTD_ROM 2 61 #define MTD_NORFLASH 3 62 #define MTD_NANDFLASH 4 63 #define MTD_DATAFLASH 6 64 #define MTD_UBIVOLUME 7 65 #define MTD_MLCNANDFLASH 8 66 #define MTD_WRITEABLE 0x400 67 #define MTD_BIT_WRITEABLE 0x800 68 #define MTD_NO_ERASE 0x1000 69 #define MTD_POWERUP_LOCK 0x2000 70 #define MTD_SLC_ON_MLC_EMULATION 0x4000 71 #define MTD_CAP_ROM 0 72 #define MTD_CAP_RAM (MTD_WRITEABLE | MTD_BIT_WRITEABLE | MTD_NO_ERASE) 73 #define MTD_CAP_NORFLASH (MTD_WRITEABLE | MTD_BIT_WRITEABLE) 74 #define MTD_CAP_NANDFLASH (MTD_WRITEABLE) 75 #define MTD_CAP_NVRAM (MTD_WRITEABLE | MTD_BIT_WRITEABLE | MTD_NO_ERASE) 76 #define MTD_NANDECC_OFF 0 77 #define MTD_NANDECC_PLACE 1 78 #define MTD_NANDECC_AUTOPLACE 2 79 #define MTD_NANDECC_PLACEONLY 3 80 #define MTD_NANDECC_AUTOPL_USR 4 81 #define MTD_OTP_OFF 0 82 #define MTD_OTP_FACTORY 1 83 #define MTD_OTP_USER 2 84 struct mtd_info_user { 85 __u8 type; 86 __u32 flags; 87 __u32 size; 88 __u32 erasesize; 89 __u32 writesize; 90 __u32 oobsize; 91 __u64 padding; 92 }; 93 struct region_info_user { 94 __u32 offset; 95 __u32 erasesize; 96 __u32 numblocks; 97 __u32 regionindex; 98 }; 99 struct otp_info { 100 __u32 start; 101 __u32 length; 102 __u32 locked; 103 }; 104 #define MEMGETINFO _IOR('M', 1, struct mtd_info_user) 105 #define MEMERASE _IOW('M', 2, struct erase_info_user) 106 #define MEMWRITEOOB _IOWR('M', 3, struct mtd_oob_buf) 107 #define MEMREADOOB _IOWR('M', 4, struct mtd_oob_buf) 108 #define MEMLOCK _IOW('M', 5, struct erase_info_user) 109 #define MEMUNLOCK _IOW('M', 6, struct erase_info_user) 110 #define MEMGETREGIONCOUNT _IOR('M', 7, int) 111 #define MEMGETREGIONINFO _IOWR('M', 8, struct region_info_user) 112 #define MEMGETOOBSEL _IOR('M', 10, struct nand_oobinfo) 113 #define MEMGETBADBLOCK _IOW('M', 11, __kernel_loff_t) 114 #define MEMSETBADBLOCK _IOW('M', 12, __kernel_loff_t) 115 #define OTPSELECT _IOR('M', 13, int) 116 #define OTPGETREGIONCOUNT _IOW('M', 14, int) 117 #define OTPGETREGIONINFO _IOW('M', 15, struct otp_info) 118 #define OTPLOCK _IOR('M', 16, struct otp_info) 119 #define ECCGETLAYOUT _IOR('M', 17, struct nand_ecclayout_user) 120 #define ECCGETSTATS _IOR('M', 18, struct mtd_ecc_stats) 121 #define MTDFILEMODE _IO('M', 19) 122 #define MEMERASE64 _IOW('M', 20, struct erase_info_user64) 123 #define MEMWRITEOOB64 _IOWR('M', 21, struct mtd_oob_buf64) 124 #define MEMREADOOB64 _IOWR('M', 22, struct mtd_oob_buf64) 125 #define MEMISLOCKED _IOR('M', 23, struct erase_info_user) 126 #define MEMWRITE _IOWR('M', 24, struct mtd_write_req) 127 #define OTPERASE _IOW('M', 25, struct otp_info) 128 #define MEMREAD _IOWR('M', 26, struct mtd_read_req) 129 struct nand_oobinfo { 130 __u32 useecc; 131 __u32 eccbytes; 132 __u32 oobfree[8][2]; 133 __u32 eccpos[32]; 134 }; 135 struct nand_oobfree { 136 __u32 offset; 137 __u32 length; 138 }; 139 #define MTD_MAX_OOBFREE_ENTRIES 8 140 #define MTD_MAX_ECCPOS_ENTRIES 64 141 struct nand_ecclayout_user { 142 __u32 eccbytes; 143 __u32 eccpos[MTD_MAX_ECCPOS_ENTRIES]; 144 __u32 oobavail; 145 struct nand_oobfree oobfree[MTD_MAX_OOBFREE_ENTRIES]; 146 }; 147 struct mtd_ecc_stats { 148 __u32 corrected; 149 __u32 failed; 150 __u32 badblocks; 151 __u32 bbtblocks; 152 }; 153 enum mtd_file_modes { 154 MTD_FILE_MODE_NORMAL = MTD_OTP_OFF, 155 MTD_FILE_MODE_OTP_FACTORY = MTD_OTP_FACTORY, 156 MTD_FILE_MODE_OTP_USER = MTD_OTP_USER, 157 MTD_FILE_MODE_RAW, 158 }; 159 #endif 160