1 /* 2 * Copyright (c) 2021 Huawei Device Co., Ltd. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without modification, 5 * are permitted provided that the following conditions are met: 6 * 7 * 1. Redistributions of source code must retain the above copyright notice, this list of 8 * conditions and the following disclaimer. 9 * 10 * 2. Redistributions in binary form must reproduce the above copyright notice, this list 11 * of conditions and the following disclaimer in the documentation and/or other materials 12 * provided with the distribution. 13 * 14 * 3. Neither the name of the copyright holder nor the names of its contributors may be used 15 * to endorse or promote products derived from this software without specific prior written 16 * permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 20 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 21 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR 22 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 23 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 24 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 25 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 26 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 27 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 28 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 #ifndef MTD_LEGACY_LITE_H 32 #define MTD_LEGACY_LITE_H 33 34 #include "hdf_base.h" 35 #include "mtd/mtd_core.h" 36 #include "fs/driver.h" 37 38 typedef struct erase_info { 39 int scrub; 40 struct erase_info *next; 41 unsigned char state; 42 unsigned long priv; 43 void (*callback)(struct erase_info *self); 44 unsigned int cell; 45 unsigned int dev; 46 unsigned long retries; 47 unsigned long time; 48 uint64_t fail_addr; 49 uint64_t len; 50 uint64_t addr; 51 struct mtd_info *mtd; 52 } EraseInfoLegacy; 53 54 typedef struct mtd_info { 55 void *priv; 56 uint8_t type; 57 const char *name; 58 uint32_t flags; 59 uint64_t size; 60 uint32_t erasesize; 61 uint32_t writesize; 62 uint32_t oobsize; 63 int (*erase)(struct mtd_info *mtd, struct erase_info *instr); 64 int (*read)(struct mtd_info *mtd, off_t from, size_t len, size_t *retlen, char *buf); 65 int (*write)(struct mtd_info *mtd, off_t to, size_t len, size_t *retlen, const char *buf); 66 int (*read_oob)(struct mtd_info *mtd, off_t from, size_t len, size_t *retlen, char *buf); 67 int (*write_oob)(struct mtd_info *mtd, off_t to, size_t len, size_t *retlen, const char *buf); 68 int (*block_isbad)(struct mtd_info *mtd, off_t ofs); 69 int (*block_markbad)(struct mtd_info *mtd, off_t ofs); 70 } MtdInfoLegacy; 71 72 extern MtdInfoLegacy *nand_mtd; 73 74 const struct file_operations_vfs *GetMtdCharFops(void); 75 const struct block_operations *GetDevSpinorOps(void); 76 const struct block_operations *GetDevNandOps(void); 77 void MtdDeviceLegacyFillMtdInfo(struct MtdDevice *mtdDevice); 78 79 #define MTD_NORFLASH 3 80 #define MTD_NANDFLASH 4 81 82 #define MTD_WRITEABLE 0x400 83 #define MTD_CAP_NANDFLASH (MTD_WRITEABLE) 84 85 #define MTD_FAIL_ADDR_UNKNOWN (-1LL) 86 87 #define GOOD_BLOCK 0 88 89 90 #endif /* MTD_LEGACY_LITE_H */ 91