diff options
| author | Yael Chemla <yael.chemla@foss.arm.com> | 2018-10-18 13:59:59 +0100 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2018-11-09 17:37:58 +0800 |
| commit | 927574e0e85da61f84dcda15d5b6a2baa06cda46 (patch) | |
| tree | 69a33ca8bfd80c6fe7d0c9672c49b39a4d416433 /drivers/crypto/ccree/cc_hw_queue_defs.h | |
| parent | 18a1dc1fd56b4a5b468ad5bf984a2b0ea5ee8c69 (diff) | |
crypto: ccree - add SM3 support
Add support for SM3 cipher in CryptoCell 713.
Signed-off-by: Yael Chemla <yael.chemla@foss.arm.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto/ccree/cc_hw_queue_defs.h')
| -rw-r--r-- | drivers/crypto/ccree/cc_hw_queue_defs.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/crypto/ccree/cc_hw_queue_defs.h b/drivers/crypto/ccree/cc_hw_queue_defs.h index 6e8438a71478..7a9b90db7db7 100644 --- a/drivers/crypto/ccree/cc_hw_queue_defs.h +++ b/drivers/crypto/ccree/cc_hw_queue_defs.h @@ -42,6 +42,7 @@ #define WORD3_QUEUE_LAST_IND CC_GENMASK(3, QUEUE_LAST_IND) #define WORD4_ACK_NEEDED CC_GENMASK(4, ACK_NEEDED) #define WORD4_AES_SEL_N_HASH CC_GENMASK(4, AES_SEL_N_HASH) +#define WORD4_AES_XOR_CRYPTO_KEY CC_GENMASK(4, AES_XOR_CRYPTO_KEY) #define WORD4_BYTES_SWAP CC_GENMASK(4, BYTES_SWAP) #define WORD4_CIPHER_CONF0 CC_GENMASK(4, CIPHER_CONF0) #define WORD4_CIPHER_CONF1 CC_GENMASK(4, CIPHER_CONF1) @@ -397,6 +398,16 @@ static inline void set_aes_not_hash_mode(struct cc_hw_desc *pdesc) } /* + * Set aes xor crypto key, this in some secenrios select SM3 engine + * + * @pdesc: pointer HW descriptor struct + */ +static inline void set_aes_xor_crypto_key(struct cc_hw_desc *pdesc) +{ + pdesc->word[4] |= FIELD_PREP(WORD4_AES_XOR_CRYPTO_KEY, 1); +} + +/* * Set the DOUT field of a HW descriptors to SRAM mode * Note: No need to check SRAM alignment since host requests do not use SRAM and * adaptor will enforce alignment check. @@ -469,6 +480,8 @@ static inline void set_hash_cipher_mode(struct cc_hw_desc *pdesc, enum drv_hash_mode hash_mode) { set_cipher_mode(pdesc, cipher_mode); + if (hash_mode == DRV_HASH_SM3) + set_aes_xor_crypto_key(pdesc); } /* |