Server : Apache/2.4.41 (Ubuntu) System : Linux absol.cf 5.4.0-198-generic #218-Ubuntu SMP Fri Sep 27 20:18:53 UTC 2024 x86_64 User : www-data ( 33) PHP Version : 7.4.33 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_get_handler,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,pcntl_async_signals,pcntl_unshare, Directory :  /usr/src/linux-headers-5.4.0-193/include/linux/mtd/

Upload File : current_dir [ Writeable ] document_root [ Writeable ]

/* SPDX-License-Identifier: GPL-2.0-only */
/*
 *  Copyright (C) 2000-2010 Steven J. Hill <sjhill@realitydiluted.com>
 *			    David Woodhouse <dwmw2@infradead.org>
 *			    Thomas Gleixner <tglx@linutronix.de>
 *
 * This file is the header for the ECC algorithm.
 */

#ifndef __MTD_NAND_ECC_H__
#define __MTD_NAND_ECC_H__

struct nand_chip;

/*
 * Calculate 3 byte ECC code for eccsize byte block
 */
void __nand_calculate_ecc(const u_char *dat, unsigned int eccsize,
			  u_char *ecc_code, bool sm_order);

/*
 * Calculate 3 byte ECC code for 256/512 byte block
 */
int nand_calculate_ecc(struct nand_chip *chip, const u_char *dat,
		       u_char *ecc_code);

/*
 * Detect and correct a 1 bit error for eccsize byte block
 */
int __nand_correct_data(u_char *dat, u_char *read_ecc, u_char *calc_ecc,
			unsigned int eccsize, bool sm_order);

/*
 * Detect and correct a 1 bit error for 256/512 byte block
 */
int nand_correct_data(struct nand_chip *chip, u_char *dat, u_char *read_ecc,
		      u_char *calc_ecc);

#endif /* __MTD_NAND_ECC_H__ */