|
Server : Apache/2.4.18 (Ubuntu) System : Linux canvaswebdesign 3.13.0-71-generic #114-Ubuntu SMP Tue Dec 1 02:34:22 UTC 2015 x86_64 User : oppastar ( 1041) PHP Version : 7.0.33-0ubuntu0.16.04.15 Disable Function : pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority, Directory : /usr/src/linux-headers-4.4.0-112/include/linux/mtd/ |
Upload File : |
/*
* Copyright © 2011 Ivan Djelic <ivan.djelic@parrot.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* This file is the header for the NAND BCH ECC implementation.
*/
#ifndef __MTD_NAND_BCH_H__
#define __MTD_NAND_BCH_H__
struct mtd_info;
struct nand_bch_control;
#if defined(CONFIG_MTD_NAND_ECC_BCH)
static inline int mtd_nand_has_bch(void) { return 1; }
/*
* Calculate BCH ecc code
*/
int nand_bch_calculate_ecc(struct mtd_info *mtd, const u_char *dat,
u_char *ecc_code);
/*
* Detect and correct bit errors
*/
int nand_bch_correct_data(struct mtd_info *mtd, u_char *dat, u_char *read_ecc,
u_char *calc_ecc);
/*
* Initialize BCH encoder/decoder
*/
struct nand_bch_control *
nand_bch_init(struct mtd_info *mtd, unsigned int eccsize,
unsigned int eccbytes, struct nand_ecclayout **ecclayout);
/*
* Release BCH encoder/decoder resources
*/
void nand_bch_free(struct nand_bch_control *nbc);
#else /* !CONFIG_MTD_NAND_ECC_BCH */
static inline int mtd_nand_has_bch(void) { return 0; }
static inline int
nand_bch_calculate_ecc(struct mtd_info *mtd, const u_char *dat,
u_char *ecc_code)
{
return -1;
}
static inline int
nand_bch_correct_data(struct mtd_info *mtd, unsigned char *buf,
unsigned char *read_ecc, unsigned char *calc_ecc)
{
return -1;
}
static inline struct nand_bch_control *
nand_bch_init(struct mtd_info *mtd, unsigned int eccsize,
unsigned int eccbytes, struct nand_ecclayout **ecclayout)
{
return NULL;
}
static inline void nand_bch_free(struct nand_bch_control *nbc) {}
#endif /* CONFIG_MTD_NAND_ECC_BCH */
#endif /* __MTD_NAND_BCH_H__ */