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init_rs_non_canonical(9) [centos man page]

INIT_RS_NON_CANONICA(9) 				     Public Functions Provided					   INIT_RS_NON_CANONICA(9)

NAME
init_rs_non_canonical - Find a matching or allocate a new rs control structure, for fields with non-canonical representation SYNOPSIS
struct rs_control * init_rs_non_canonical(int symsize, int (*gffunc) (int), int fcr, int prim, int nroots); ARGUMENTS
symsize the symbol size (number of bits) gffunc pointer to function to generate the next field element, or the multiplicative identity element if given 0. Used instead of gfpoly if gfpoly is 0 fcr the first consecutive root of the rs code generator polynomial in index form prim primitive element to generate polynomial roots nroots RS code generator polynomial degree (number of roots) AUTHOR
Thomas Gleixner <tglx@linutronix.de> Author. COPYRIGHT
Kernel Hackers Manual 3.10 June 2014 INIT_RS_NON_CANONICA(9)

Check Out this Related Man Page

STRUCT 
NAND_ECC_CTRL(9) Structures 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 strength; int prepad; int postpad; struct nand_ecclayout * layout; void * priv; 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, int oob_required, int page); int (* write_page_raw) (struct mtd_info *mtd, struct nand_chip *chip,const uint8_t *buf, int oob_required); int (* read_page) (struct mtd_info *mtd, struct nand_chip *chip,uint8_t *buf, int oob_required, int page); int (* read_subpage) (struct mtd_info *mtd, struct nand_chip *chip,uint32_t offs, uint32_t len, uint8_t *buf); int (* write_subpage) (struct mtd_info *mtd, struct nand_chip *chip,uint32_t offset, uint32_t data_len,const uint8_t *data_buf, int oob_required); int (* write_page) (struct mtd_info *mtd, struct nand_chip *chip,const uint8_t *buf, int oob_required); int (* write_oob_raw) (struct mtd_info *mtd, struct nand_chip *chip,int page); int (* read_oob_raw) (struct mtd_info *mtd, struct nand_chip *chip,int page); int (* read_oob) (struct mtd_info *mtd, struct nand_chip *chip, int page); 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 strength max number of correctible bits per ECC step prepad padding information for syndrome based ECC generators postpad padding information for syndrome based ECC generators layout ECC layout control struct pointer priv pointer to private ECC control data 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; returns maximum number of bitflips corrected in any single ECC step, 0 if bitflips uncorrectable, -EIO hw error read_subpage function to read parts of the page covered by ECC; returns same as read_page write_subpage function to write parts of the page covered by ECC. write_page function to write a page according to the ECC generator requirements. write_oob_raw function to write chip OOB data without ECC read_oob_raw function to read chip OOB data without ECC read_oob function to read chip OOB data write_oob function to write chip OOB data AUTHOR
Thomas Gleixner <tglx@linutronix.de> Author. COPYRIGHT
Kernel Hackers Manual 3.10 June 2014 STRUCT NAND_ECC_CTRL(9)

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