diff options
Diffstat (limited to 'drivers/crypto/allwinner/sun8i-ss/sun8i-ss.h')
| -rw-r--r-- | drivers/crypto/allwinner/sun8i-ss/sun8i-ss.h | 52 |
1 files changed, 31 insertions, 21 deletions
diff --git a/drivers/crypto/allwinner/sun8i-ss/sun8i-ss.h b/drivers/crypto/allwinner/sun8i-ss/sun8i-ss.h index 28188685b910..ae66eb45fb24 100644 --- a/drivers/crypto/allwinner/sun8i-ss/sun8i-ss.h +++ b/drivers/crypto/allwinner/sun8i-ss/sun8i-ss.h @@ -82,6 +82,8 @@ #define PRNG_DATA_SIZE (160 / 8) #define PRNG_SEED_SIZE DIV_ROUND_UP(175, 8) +#define MAX_PAD_SIZE 4096 + /* * struct ss_clock - Describe clocks used by sun8i-ss * @name: Name of clock needed by this variant @@ -121,11 +123,19 @@ struct sginfo { * @complete: completion for the current task on this flow * @status: set to 1 by interrupt if task is done * @stat_req: number of request done by this flow + * @iv: list of IV to use for each step + * @biv: buffer which contain the backuped IV + * @pad: padding buffer for hash operations + * @result: buffer for storing the result of hash operations */ struct sun8i_ss_flow { struct crypto_engine *engine; struct completion complete; int status; + u8 *iv[MAX_SG]; + u8 *biv; + void *pad; + void *result; #ifdef CONFIG_CRYPTO_DEV_SUN8I_SS_DEBUG unsigned long stat_req; #endif @@ -164,43 +174,39 @@ struct sun8i_ss_dev { * @t_src: list of mapped SGs with their size * @t_dst: list of mapped SGs with their size * @p_key: DMA address of the key - * @p_iv: DMA address of the IV + * @p_iv: DMA address of the IVs + * @niv: Number of IVs DMA mapped * @method: current algorithm for this request * @op_mode: op_mode for this request * @op_dir: direction (encrypt vs decrypt) for this request * @flow: the flow to use for this request - * @ivlen: size of biv + * @ivlen: size of IVs * @keylen: keylen for this request - * @biv: buffer which contain the IV * @fallback_req: request struct for invoking the fallback skcipher TFM */ struct sun8i_cipher_req_ctx { struct sginfo t_src[MAX_SG]; struct sginfo t_dst[MAX_SG]; u32 p_key; - u32 p_iv; + u32 p_iv[MAX_SG]; + int niv; u32 method; u32 op_mode; u32 op_dir; int flow; unsigned int ivlen; unsigned int keylen; - void *biv; struct skcipher_request fallback_req; // keep at the end }; /* * struct sun8i_cipher_tfm_ctx - context for a skcipher TFM - * @enginectx: crypto_engine used by this TFM * @key: pointer to key data * @keylen: len of the key * @ss: pointer to the private data of driver handling this TFM * @fallback_tfm: pointer to the fallback TFM - * - * enginectx must be the first element */ struct sun8i_cipher_tfm_ctx { - struct crypto_engine_ctx enginectx; u32 *key; u32 keylen; struct sun8i_ss_dev *ss; @@ -219,16 +225,16 @@ struct sun8i_ss_rng_tfm_ctx { /* * struct sun8i_ss_hash_tfm_ctx - context for an ahash TFM - * @enginectx: crypto_engine used by this TFM * @fallback_tfm: pointer to the fallback TFM * @ss: pointer to the private data of driver handling this TFM - * - * enginectx must be the first element */ struct sun8i_ss_hash_tfm_ctx { - struct crypto_engine_ctx enginectx; struct crypto_ahash *fallback_tfm; struct sun8i_ss_dev *ss; + u8 *ipad; + u8 *opad; + u8 key[SHA256_BLOCK_SIZE]; + int keylen; }; /* @@ -265,25 +271,27 @@ struct sun8i_ss_alg_template { u32 ss_blockmode; struct sun8i_ss_dev *ss; union { - struct skcipher_alg skcipher; + struct skcipher_engine_alg skcipher; struct rng_alg rng; - struct ahash_alg hash; + struct ahash_engine_alg hash; } alg; -#ifdef CONFIG_CRYPTO_DEV_SUN8I_SS_DEBUG unsigned long stat_req; unsigned long stat_fb; unsigned long stat_bytes; -#endif + unsigned long stat_fb_len; + unsigned long stat_fb_sglen; + unsigned long stat_fb_align; + unsigned long stat_fb_sgnum; + char fbname[CRYPTO_MAX_ALG_NAME]; }; -int sun8i_ss_enqueue(struct crypto_async_request *areq, u32 type); - int sun8i_ss_aes_setkey(struct crypto_skcipher *tfm, const u8 *key, unsigned int keylen); int sun8i_ss_des3_setkey(struct crypto_skcipher *tfm, const u8 *key, unsigned int keylen); int sun8i_ss_cipher_init(struct crypto_tfm *tfm); void sun8i_ss_cipher_exit(struct crypto_tfm *tfm); +int sun8i_ss_handle_cipher_request(struct crypto_engine *engine, void *areq); int sun8i_ss_skdecrypt(struct skcipher_request *areq); int sun8i_ss_skencrypt(struct skcipher_request *areq); @@ -296,8 +304,8 @@ int sun8i_ss_prng_seed(struct crypto_rng *tfm, const u8 *seed, unsigned int slen int sun8i_ss_prng_init(struct crypto_tfm *tfm); void sun8i_ss_prng_exit(struct crypto_tfm *tfm); -int sun8i_ss_hash_crainit(struct crypto_tfm *tfm); -void sun8i_ss_hash_craexit(struct crypto_tfm *tfm); +int sun8i_ss_hash_init_tfm(struct crypto_ahash *tfm); +void sun8i_ss_hash_exit_tfm(struct crypto_ahash *tfm); int sun8i_ss_hash_init(struct ahash_request *areq); int sun8i_ss_hash_export(struct ahash_request *areq, void *out); int sun8i_ss_hash_import(struct ahash_request *areq, const void *in); @@ -306,3 +314,5 @@ int sun8i_ss_hash_update(struct ahash_request *areq); int sun8i_ss_hash_finup(struct ahash_request *areq); int sun8i_ss_hash_digest(struct ahash_request *areq); int sun8i_ss_hash_run(struct crypto_engine *engine, void *breq); +int sun8i_ss_hmac_setkey(struct crypto_ahash *ahash, const u8 *key, + unsigned int keylen); |