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

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

File Facts

System
Linux kernel
Corpus path
include/linux/mtd/nand-ecc-sw-bch.h
Extension
.h
Size
2117 bytes
Lines
72
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_bch_conf {
	struct nand_ecc_req_tweak_ctx req_ctx;
	unsigned int code_size;
	u8 *calc_buf;
	u8 *code_buf;
	struct bch_control *bch;
	unsigned int *errloc;
	unsigned char *eccmask;
};

#if IS_ENABLED(CONFIG_MTD_NAND_ECC_SW_BCH)

int nand_ecc_sw_bch_calculate(struct nand_device *nand,
			      const unsigned char *buf, unsigned char *code);
int nand_ecc_sw_bch_correct(struct nand_device *nand, unsigned char *buf,
			    unsigned char *read_ecc, unsigned char *calc_ecc);
int nand_ecc_sw_bch_init_ctx(struct nand_device *nand);
void nand_ecc_sw_bch_cleanup_ctx(struct nand_device *nand);
struct nand_ecc_engine *nand_ecc_sw_bch_get_engine(void);

#else /* !CONFIG_MTD_NAND_ECC_SW_BCH */

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

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

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

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

#endif /* CONFIG_MTD_NAND_ECC_SW_BCH */

#endif /* __MTD_NAND_ECC_SW_BCH_H__ */

Annotation

Implementation Notes