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1/* SPDX-License-Identifier: GPL-2.0-only */2/*3 * Copyright (c) 2010-2014, The Linux Foundation. All rights reserved.4 */5 6#ifndef _SHA_H_7#define _SHA_H_8 9#include <crypto/scatterwalk.h>10#include <crypto/sha1.h>11#include <crypto/sha2.h>12 13#include "common.h"14#include "core.h"15 16#define QCE_SHA_MAX_BLOCKSIZE SHA256_BLOCK_SIZE17#define QCE_SHA_MAX_DIGESTSIZE SHA256_DIGEST_SIZE18 19struct qce_sha_ctx {20 u8 authkey[QCE_SHA_MAX_BLOCKSIZE];21};22 23/**24 * struct qce_sha_reqctx - holds private ahash objects per request25 * @buf: used during update, import and export26 * @tmpbuf: buffer for internal use27 * @digest: calculated digest buffer28 * @buflen: length of the buffer29 * @flags: operation flags30 * @src_orig: original request sg list31 * @nbytes_orig: original request number of bytes32 * @src_nents: source number of entries33 * @byte_count: byte count34 * @count: save count in states during update, import and export35 * @first_blk: is it the first block36 * @last_blk: is it the last block37 * @sg: used to chain sg lists38 * @authkey: pointer to auth key in sha ctx39 * @authklen: auth key length40 * @result_sg: scatterlist used for result buffer41 */42struct qce_sha_reqctx {43 u8 buf[QCE_SHA_MAX_BLOCKSIZE];44 u8 tmpbuf[QCE_SHA_MAX_BLOCKSIZE];45 u8 digest[QCE_SHA_MAX_DIGESTSIZE];46 unsigned int buflen;47 unsigned long flags;48 struct scatterlist *src_orig;49 unsigned int nbytes_orig;50 int src_nents;51 __be32 byte_count[2];52 u64 count;53 bool first_blk;54 bool last_blk;55 struct scatterlist sg[2];56 u8 *authkey;57 unsigned int authklen;58 struct scatterlist result_sg;59};60 61static inline struct qce_alg_template *to_ahash_tmpl(struct crypto_tfm *tfm)62{63 struct crypto_ahash *ahash = __crypto_ahash_cast(tfm);64 struct ahash_alg *alg = container_of(crypto_hash_alg_common(ahash),65 struct ahash_alg, halg);66 67 return container_of(alg, struct qce_alg_template, alg.ahash);68}69 70extern const struct qce_algo_ops ahash_ops;71 72#endif /* _SHA_H_ */73