drivers/crypto/qce/sha.h

Source file repositories/reference/linux-study-clean/drivers/crypto/qce/sha.h

File Facts

System
Linux kernel
Corpus path
drivers/crypto/qce/sha.h
Extension
.h
Size
1928 bytes
Lines
73
Domain
Driver Families
Bucket
drivers/crypto
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

struct qce_sha_ctx {
	u8 authkey[QCE_SHA_MAX_BLOCKSIZE];
};

/**
 * struct qce_sha_reqctx - holds private ahash objects per request
 * @buf: used during update, import and export
 * @tmpbuf: buffer for internal use
 * @digest: calculated digest buffer
 * @buflen: length of the buffer
 * @flags: operation flags
 * @src_orig: original request sg list
 * @nbytes_orig: original request number of bytes
 * @src_nents: source number of entries
 * @byte_count: byte count
 * @count: save count in states during update, import and export
 * @first_blk: is it the first block
 * @last_blk: is it the last block
 * @sg: used to chain sg lists
 * @authkey: pointer to auth key in sha ctx
 * @authklen: auth key length
 * @result_sg: scatterlist used for result buffer
 */
struct qce_sha_reqctx {
	u8 buf[QCE_SHA_MAX_BLOCKSIZE];
	u8 tmpbuf[QCE_SHA_MAX_BLOCKSIZE];
	u8 digest[QCE_SHA_MAX_DIGESTSIZE];
	unsigned int buflen;
	unsigned long flags;
	struct scatterlist *src_orig;
	unsigned int nbytes_orig;
	int src_nents;
	__be32 byte_count[2];
	u64 count;
	bool first_blk;
	bool last_blk;
	struct scatterlist sg[2];
	u8 *authkey;
	unsigned int authklen;
	struct scatterlist result_sg;
};

static inline struct qce_alg_template *to_ahash_tmpl(struct crypto_tfm *tfm)
{
	struct crypto_ahash *ahash = __crypto_ahash_cast(tfm);
	struct ahash_alg *alg = container_of(crypto_hash_alg_common(ahash),
					     struct ahash_alg, halg);

	return container_of(alg, struct qce_alg_template, alg.ahash);
}

extern const struct qce_algo_ops ahash_ops;

#endif /* _SHA_H_ */

Annotation

Implementation Notes