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Diffstat (limited to 'include/mtd/mtd-abi.h')
| -rw-r--r-- | include/mtd/mtd-abi.h | 189 |
1 files changed, 0 insertions, 189 deletions
diff --git a/include/mtd/mtd-abi.h b/include/mtd/mtd-abi.h deleted file mode 100644 index 2f7d45bcbd2..00000000000 --- a/include/mtd/mtd-abi.h +++ /dev/null @@ -1,189 +0,0 @@ -/* - * Copyright © 1999-2010 David Woodhouse <dwmw2@infradead.org> et al. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - * - */ - -#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 __user *ptr; -}; - -struct mtd_oob_buf64 { - __u64 start; - __u32 pad; - __u32 length; - __u64 usr_ptr; -}; - -#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 /* Device is writeable */ -#define MTD_BIT_WRITEABLE 0x800 /* Single bits can be flipped */ -#define MTD_NO_ERASE 0x1000 /* No erase necessary */ -#define MTD_POWERUP_LOCK 0x2000 /* Always locked after reset */ - -// Some common devices / combinations of capabilities -#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) - -/* ECC byte placement */ -#define MTD_NANDECC_OFF 0 // Switch off ECC (Not recommended) -#define MTD_NANDECC_PLACE 1 // Use the given placement in the structure (YAFFS1 legacy mode) -#define MTD_NANDECC_AUTOPLACE 2 // Use the default placement scheme -#define MTD_NANDECC_PLACEONLY 3 // Use the given placement in the structure (Do not store ecc result on read) -#define MTD_NANDECC_AUTOPL_USR 4 // Use the given autoplacement scheme rather than using the default - -/* OTP mode selection */ -#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; // Total size of the MTD - __u32 erasesize; - __u32 writesize; - __u32 oobsize; // Amount of OOB data per block (e.g. 16) - /* The below two fields are obsolete and broken, do not use them - * (TODO: remove at some point) */ - __u32 ecctype; - __u32 eccsize; -}; - -struct region_info_user { - __u32 offset; /* At which this region starts, - * from the beginning of the MTD */ - __u32 erasesize; /* For this region */ - __u32 numblocks; /* Number of blocks in this region */ - __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 MEMSETOOBSEL _IOW('M', 9, struct nand_oobinfo) -#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) - -/* - * Obsolete legacy interface. Keep it in order not to break userspace - * interfaces - */ -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 -/* - * OBSOLETE: ECC layout control structure. Exported to user-space via ioctl - * ECCGETLAYOUT for backwards compatbility and should not be mistaken as a - * complete set of ECC information. The ioctl truncates the larger internal - * structure to retain binary compatibility with the static declaration of the - * ioctl. Note that the "MTD_MAX_..._ENTRIES" macros represent the max size of - * the user struct, not the MAX size of the internal struct nand_ecclayout. - */ -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 - error correction stats - * - * @corrected: number of corrected bits - * @failed: number of uncorrectable errors - * @badblocks: number of bad blocks in this partition - * @bbtblocks: number of blocks reserved for bad block tables - */ -struct mtd_ecc_stats { - __u32 corrected; - __u32 failed; - __u32 badblocks; - __u32 bbtblocks; -}; - -/* - * Read/write file modes for access to MTD - */ -enum mtd_file_modes { - MTD_MODE_NORMAL = MTD_OTP_OFF, - MTD_MODE_OTP_FACTORY = MTD_OTP_FACTORY, - MTD_MODE_OTP_USER = MTD_OTP_USER, - MTD_MODE_RAW, -}; - -#endif /* __MTD_ABI_H__ */ |