include/linux/mtd/nand-ecc-sw-hamming.h

Source file repositories/reference/linux-study-clean/include/linux/mtd/nand-ecc-sw-hamming.h

File Facts

System
Linux kernel
Corpus path
include/linux/mtd/nand-ecc-sw-hamming.h
Extension
.h
Size
2714 bytes
Lines
90
Domain
Core OS
Bucket
Core Kernel Interface
Inferred role
Core OS: implementation source
Status
source implementation candidate

Why This File Exists

Core operating-system implementation surface: boot, tasks, memory, VFS, syscall-facing interfaces, synchronization, credentials, and isolation.

Dependency Surface

Detected Declarations

Annotated Snippet

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__ */

Annotation

Implementation Notes