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 **************************************************************************** 11 ****************************************************************************/ 12#ifndef __MTD_ABI_H__ 13#define __MTD_ABI_H__ 14 15struct erase_info_user { 16 uint32_t start; 17 uint32_t length; 18}; 19 20struct mtd_oob_buf { 21 uint32_t start; 22 uint32_t length; 23 unsigned char __user *ptr; 24}; 25 26#define MTD_ABSENT 0 27#define MTD_RAM 1 28#define MTD_ROM 2 29#define MTD_NORFLASH 3 30#define MTD_NANDFLASH 4 31#define MTD_DATAFLASH 6 32 33#define MTD_WRITEABLE 0x400 34#define MTD_BIT_WRITEABLE 0x800 35#define MTD_NO_ERASE 0x1000 36#define MTD_STUPID_LOCK 0x2000 37 38#define MTD_CAP_ROM 0 39#define MTD_CAP_RAM (MTD_WRITEABLE | MTD_BIT_WRITEABLE | MTD_NO_ERASE) 40#define MTD_CAP_NORFLASH (MTD_WRITEABLE | MTD_BIT_WRITEABLE) 41#define MTD_CAP_NANDFLASH (MTD_WRITEABLE) 42 43#define MTD_NANDECC_OFF 0 44#define MTD_NANDECC_PLACE 1 45#define MTD_NANDECC_AUTOPLACE 2 46#define MTD_NANDECC_PLACEONLY 3 47#define MTD_NANDECC_AUTOPL_USR 4 48 49#define MTD_OTP_OFF 0 50#define MTD_OTP_FACTORY 1 51#define MTD_OTP_USER 2 52 53struct mtd_info_user { 54 uint8_t type; 55 uint32_t flags; 56 uint32_t size; 57 uint32_t erasesize; 58 uint32_t writesize; 59 uint32_t oobsize; 60 61 uint32_t ecctype; 62 uint32_t eccsize; 63}; 64 65struct region_info_user { 66 uint32_t offset; 67 uint32_t erasesize; 68 uint32_t numblocks; 69 uint32_t regionindex; 70}; 71 72struct otp_info { 73 uint32_t start; 74 uint32_t length; 75 uint32_t locked; 76}; 77 78#define MEMGETINFO _IOR('M', 1, struct mtd_info_user) 79#define MEMERASE _IOW('M', 2, struct erase_info_user) 80#define MEMWRITEOOB _IOWR('M', 3, struct mtd_oob_buf) 81#define MEMREADOOB _IOWR('M', 4, struct mtd_oob_buf) 82#define MEMLOCK _IOW('M', 5, struct erase_info_user) 83#define MEMUNLOCK _IOW('M', 6, struct erase_info_user) 84#define MEMGETREGIONCOUNT _IOR('M', 7, int) 85#define MEMGETREGIONINFO _IOWR('M', 8, struct region_info_user) 86#define MEMSETOOBSEL _IOW('M', 9, struct nand_oobinfo) 87#define MEMGETOOBSEL _IOR('M', 10, struct nand_oobinfo) 88#define MEMGETBADBLOCK _IOW('M', 11, loff_t) 89#define MEMSETBADBLOCK _IOW('M', 12, loff_t) 90#define OTPSELECT _IOR('M', 13, int) 91#define OTPGETREGIONCOUNT _IOW('M', 14, int) 92#define OTPGETREGIONINFO _IOW('M', 15, struct otp_info) 93#define OTPLOCK _IOR('M', 16, struct otp_info) 94#define ECCGETLAYOUT _IOR('M', 17, struct nand_ecclayout) 95#define ECCGETSTATS _IOR('M', 18, struct mtd_ecc_stats) 96#define MTDFILEMODE _IO('M', 19) 97 98struct nand_oobinfo { 99 uint32_t useecc; 100 uint32_t eccbytes; 101 uint32_t oobfree[8][2]; 102 uint32_t eccpos[32]; 103}; 104 105struct nand_oobfree { 106 uint32_t offset; 107 uint32_t length; 108}; 109 110#define MTD_MAX_OOBFREE_ENTRIES 8 111 112struct nand_ecclayout { 113 uint32_t eccbytes; 114 uint32_t eccpos[64]; 115 uint32_t oobavail; 116 struct nand_oobfree oobfree[MTD_MAX_OOBFREE_ENTRIES]; 117}; 118 119struct mtd_ecc_stats { 120 uint32_t corrected; 121 uint32_t failed; 122 uint32_t badblocks; 123 uint32_t bbtblocks; 124}; 125 126enum mtd_file_modes { 127 MTD_MODE_NORMAL = MTD_OTP_OFF, 128 MTD_MODE_OTP_FACTORY = MTD_OTP_FACTORY, 129 MTD_MODE_OTP_USER = MTD_OTP_USER, 130 MTD_MODE_RAW, 131}; 132 133#endif 134