struct nand_ecc_ctrl(9)
NAME
struct_nand_ecc_ctrl - Control structure for ecc
SYNOPSIS
struct nand_ecc_ctrl {
nand_ecc_modes_t mode;
int steps;
int size;
int bytes;
int total;
int prepad;
int postpad;
struct nand_ecclayout * layout;
void (* hwctl) (struct mtd_info *mtd, int mode);
int (* calculate) (struct mtd_info *mtd,const uint8_t *dat,uint8_t *ecc_code);
int (* correct) (struct mtd_info *mtd, uint8_t *dat,uint8_t *read_ecc,uint8_t *calc_ecc);
int (* read_page_raw) (struct mtd_info *mtd,struct nand_chip *chip,uint8_t *buf);
void (* write_page_raw) (struct mtd_info *mtd,struct nand_chip *chip,const uint8_t *buf);
int (* read_page) (struct mtd_info *mtd,struct nand_chip *chip,uint8_t *buf);
void (* write_page) (struct mtd_info *mtd,struct nand_chip *chip,const uint8_t *buf);
int (* read_oob) (struct mtd_info *mtd,struct nand_chip *chip,int page,int sndcmd);
int (* write_oob) (struct mtd_info *mtd,struct nand_chip *chip,int page);
};
MEMBERS
- mode
- ecc mode
- steps
- number of ecc steps per page
- size
- data bytes per ecc step
- bytes
- ecc bytes per step
- total
- total number of ecc bytes per page
- prepad
- padding information for syndrome based ecc generators
- postpad
- padding information for syndrome based ecc generators
- layout
- ECC layout control struct pointer
- hwctl
- function to control hardware ecc generator. Must only be provided
if an hardware ECC is available - calculate
- function for ecc calculation or readback from ecc hardware
- correct
- function for ecc correction, matching to ecc generator (sw/hw)
- read_page_raw
- function to read a raw page without ECC
- write_page_raw
- function to write a raw page without ECC
- read_page
- function to read a page according to the ecc generator requirements
- write_page
- function to write a page according to the ecc generator
requirements - read_oob
- function to read chip OOB data
- write_oob
- function to write chip OOB data
AUTHOR
- Thomas Gleixner <tglx@linutronix.de>
- Author.