diff options
Diffstat (limited to 'drivers/crypto/caam/caamhash_desc.h')
| -rw-r--r-- | drivers/crypto/caam/caamhash_desc.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/drivers/crypto/caam/caamhash_desc.h b/drivers/crypto/caam/caamhash_desc.h new file mode 100644 index 000000000..4f369b8cb --- /dev/null +++ b/drivers/crypto/caam/caamhash_desc.h @@ -0,0 +1,29 @@ +/* SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) */ +/* + * Shared descriptors for ahash algorithms + * + * Copyright 2017 NXP + */ + +#ifndef _CAAMHASH_DESC_H_ +#define _CAAMHASH_DESC_H_ + +/* length of descriptors text */ +#define DESC_AHASH_BASE (3 * CAAM_CMD_SZ) +#define DESC_AHASH_UPDATE_LEN (6 * CAAM_CMD_SZ) +#define DESC_AHASH_UPDATE_FIRST_LEN (DESC_AHASH_BASE + 4 * CAAM_CMD_SZ) +#define DESC_AHASH_FINAL_LEN (DESC_AHASH_BASE + 5 * CAAM_CMD_SZ) +#define DESC_AHASH_DIGEST_LEN (DESC_AHASH_BASE + 4 * CAAM_CMD_SZ) + +static inline bool is_xcbc_aes(u32 algtype) +{ + return (algtype & (OP_ALG_ALGSEL_MASK | OP_ALG_AAI_MASK)) == + (OP_ALG_ALGSEL_AES | OP_ALG_AAI_XCBC_MAC); +} + +void cnstr_shdsc_ahash(u32 * const desc, struct alginfo *adata, u32 state, + int digestsize, int ctx_len, bool import_ctx, int era); + +void cnstr_shdsc_sk_hash(u32 * const desc, struct alginfo *adata, u32 state, + int digestsize, int ctx_len); +#endif /* _CAAMHASH_DESC_H_ */ |