vasilito
dc68054305
- Restore 29 recipe symlinks (libdrm, qtbase, dbus, sddm, pipewire, etc.) - Restore 33 patches (KDE, libdrm, mesa, pipewire, sddm, wireplumber) - Restore 20+ local/scripts (audit, lint, test, build helpers) - Restore src/cook/scheduler.rs, status.rs, gnu-config/ - Restore scripts/patch-inclusion-gate.sh, run_mini1.sh, validate-collision-log.sh - Recover TLC source from HEAD (was overwritten by 0.2.3 checkout) - Recover 11 local/docs plans from HEAD (were overwritten) - Recover qt6-wayland-smoke symlink from HEAD - Fix MOTD: remove garbled ASCII art, use clean text - Update version: 0.2.0 -> 0.2.4 in os-release, motd, config - Reduce filesystem_size: 1536 -> 512 MiB - Add ABSOLUTE RULE to AGENTS.md: never delete/ignore packages - Reduce pcid scheme log verbosity: info -> debug
90 lines
2.7 KiB
C
90 lines
2.7 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (C) 2000-2010 Steven J. Hill <sjhill@realitydiluted.com>
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* David Woodhouse <dwmw2@infradead.org>
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* Thomas Gleixner <tglx@kernel.org>
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*
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* This file is the header for the NAND Hamming ECC implementation.
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*/
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#ifndef __MTD_NAND_ECC_SW_HAMMING_H__
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#define __MTD_NAND_ECC_SW_HAMMING_H__
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#include <linux/mtd/nand.h>
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/**
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* struct nand_ecc_sw_hamming_conf - private software Hamming ECC engine structure
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* @req_ctx: Save request context and tweak the original request to fit the
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* engine needs
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* @code_size: Number of bytes needed to store a code (one code per step)
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* @calc_buf: Buffer to use when calculating ECC bytes
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* @code_buf: Buffer to use when reading (raw) ECC bytes from the chip
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* @sm_order: Smart Media special ordering
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*/
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struct nand_ecc_sw_hamming_conf {
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struct nand_ecc_req_tweak_ctx req_ctx;
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unsigned int code_size;
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u8 *calc_buf;
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u8 *code_buf;
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unsigned int sm_order;
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};
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#if IS_ENABLED(CONFIG_MTD_NAND_ECC_SW_HAMMING)
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int nand_ecc_sw_hamming_init_ctx(struct nand_device *nand);
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void nand_ecc_sw_hamming_cleanup_ctx(struct nand_device *nand);
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int ecc_sw_hamming_calculate(const unsigned char *buf, unsigned int step_size,
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unsigned char *code, bool sm_order);
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int nand_ecc_sw_hamming_calculate(struct nand_device *nand,
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const unsigned char *buf,
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unsigned char *code);
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int ecc_sw_hamming_correct(unsigned char *buf, unsigned char *read_ecc,
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unsigned char *calc_ecc, unsigned int step_size,
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bool sm_order);
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int nand_ecc_sw_hamming_correct(struct nand_device *nand, unsigned char *buf,
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unsigned char *read_ecc,
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unsigned char *calc_ecc);
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#else /* !CONFIG_MTD_NAND_ECC_SW_HAMMING */
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static inline int nand_ecc_sw_hamming_init_ctx(struct nand_device *nand)
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{
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return -ENOTSUPP;
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}
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static inline void nand_ecc_sw_hamming_cleanup_ctx(struct nand_device *nand) {}
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static inline int ecc_sw_hamming_calculate(const unsigned char *buf,
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unsigned int step_size,
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unsigned char *code, bool sm_order)
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{
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return -ENOTSUPP;
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}
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static inline int nand_ecc_sw_hamming_calculate(struct nand_device *nand,
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const unsigned char *buf,
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unsigned char *code)
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{
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return -ENOTSUPP;
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}
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static inline int ecc_sw_hamming_correct(unsigned char *buf,
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unsigned char *read_ecc,
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unsigned char *calc_ecc,
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unsigned int step_size, bool sm_order)
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{
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return -ENOTSUPP;
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}
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static inline int nand_ecc_sw_hamming_correct(struct nand_device *nand,
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unsigned char *buf,
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unsigned char *read_ecc,
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unsigned char *calc_ecc)
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{
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return -ENOTSUPP;
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}
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#endif /* CONFIG_MTD_NAND_ECC_SW_HAMMING */
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#endif /* __MTD_NAND_ECC_SW_HAMMING_H__ */
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