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/usr/src/linux-headers-5.15.0-190/include/linux/mtd/

/usr/src/linux-headers-5.15.0-190/include/linux/mtd

Name	Size	Mode	Actions
bbm.h	4825	0644	edit dl rm
blktrans.h	2682	0644	edit dl rm
cfi.h	10144	0644	edit dl rm
cfi_endian.h	1514	0644	edit dl rm
concat.h	493	0644	edit dl rm
doc2000.h	5505	0644	edit dl rm
flashchip.h	2478	0644	edit dl rm
ftl.h	2551	0644	edit dl rm
gen_probe.h	615	0644	edit dl rm
hyperbus.h	2893	0644	edit dl rm
inftl.h	1599	0644	edit dl rm
jedec.h	1905	0644	edit dl rm
latch-addr-flash.h	716	0644	edit dl rm
lpc32xx_mlc.h	385	0644	edit dl rm
lpc32xx_slc.h	385	0644	edit dl rm
map.h	13016	0644	edit dl rm
mtd.h	22569	0644	edit dl rm
mtdram.h	257	0644	edit dl rm
nand-ecc-sw-bch.h	2117	0644	edit dl rm
nand-ecc-sw-hamming.h	2717	0644	edit dl rm
nand-gpio.h	330	0644	edit dl rm
nand.h	30284	0644	edit dl rm
ndfc.h	2070	0644	edit dl rm
nftl.h	1734	0644	edit dl rm
onenand.h	7974	0644	edit dl rm
onenand_regs.h	7217	0644	edit dl rm
onfi.h	4962	0644	edit dl rm
partitions.h	3946	0644	edit dl rm
pfow.h	4489	0644	edit dl rm
physmap.h	808	0644	edit dl rm
pismo.h	271	0644	edit dl rm
plat-ram.h	668	0644	edit dl rm
platnand.h	2545	0644	edit dl rm
qinfo.h	2530	0644	edit dl rm
rawnand.h	52400	0644	edit dl rm
sharpsl.h	485	0644	edit dl rm
sh_flctl.h	5927	0644	edit dl rm
spear_smi.h	1714	0644	edit dl rm
spi-nor.h	17247	0644	edit dl rm
spinand.h	16220	0644	edit dl rm
super.h	578	0644	edit dl rm
ubi.h	9914	0644	edit dl rm
xip.h	2556	0644	edit dl rm

Edit: /usr/src/linux-headers-5.15.0-190/include/linux/mtd/nand-ecc-sw-hamming.h (2717B)

/* 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 NAND Hamming ECC implementation.
 */

#ifndef __MTD_NAND_ECC_SW_HAMMING_H__
#define __MTD_NAND_ECC_SW_HAMMING_H__

#include <linux/mtd/nand.h>

/**
 * struct nand_ecc_sw_hamming_conf - private software Hamming ECC engine structure
 * @req_ctx: Save request context and tweak the original request to fit the
 *           engine needs
 * @code_size: Number of bytes needed to store a code (one code per step)
 * @calc_buf: Buffer to use when calculating ECC bytes
 * @code_buf: Buffer to use when reading (raw) ECC bytes from the chip
 * @sm_order: Smart Media special ordering
 */
struct nand_ecc_sw_hamming_conf {
	struct nand_ecc_req_tweak_ctx req_ctx;
	unsigned int code_size;
	u8 *calc_buf;
	u8 *code_buf;
	unsigned int sm_order;
};

#if IS_ENABLED(CONFIG_MTD_NAND_ECC_SW_HAMMING)

int nand_ecc_sw_hamming_init_ctx(struct nand_device *nand);
void nand_ecc_sw_hamming_cleanup_ctx(struct nand_device *nand);
int ecc_sw_hamming_calculate(const unsigned char *buf, unsigned int step_size,
			     unsigned char *code, bool sm_order);
int nand_ecc_sw_hamming_calculate(struct nand_device *nand,
				  const unsigned char *buf,
				  unsigned char *code);
int ecc_sw_hamming_correct(unsigned char *buf, unsigned char *read_ecc,
			   unsigned char *calc_ecc, unsigned int step_size,
			   bool sm_order);
int nand_ecc_sw_hamming_correct(struct nand_device *nand, unsigned char *buf,
				unsigned char *read_ecc,
				unsigned char *calc_ecc);

#else /* !CONFIG_MTD_NAND_ECC_SW_HAMMING */

static inline int nand_ecc_sw_hamming_init_ctx(struct nand_device *nand)
{
	return -ENOTSUPP;
}

static inline void nand_ecc_sw_hamming_cleanup_ctx(struct nand_device *nand) {}

static inline int ecc_sw_hamming_calculate(const unsigned char *buf,
					   unsigned int step_size,
					   unsigned char *code, bool sm_order)
{
	return -ENOTSUPP;
}

static inline int nand_ecc_sw_hamming_calculate(struct nand_device *nand,
						const unsigned char *buf,
						unsigned char *code)
{
	return -ENOTSUPP;
}

static inline int ecc_sw_hamming_correct(unsigned char *buf,
					 unsigned char *read_ecc,
					 unsigned char *calc_ecc,
					 unsigned int step_size, bool sm_order)
{
	return -ENOTSUPP;
}

static inline int nand_ecc_sw_hamming_correct(struct nand_device *nand,
					      unsigned char *buf,
					      unsigned char *read_ecc,
					      unsigned char *calc_ecc)
{
	return -ENOTSUPP;
}

#endif /* CONFIG_MTD_NAND_ECC_SW_HAMMING */

#endif /* __MTD_NAND_ECC_SW_HAMMING_H__ */

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