diff options
Diffstat (limited to 'drivers/crypto/aspeed/aspeed-hace.h')
| -rw-r--r-- | drivers/crypto/aspeed/aspeed-hace.h | 28 |
1 files changed, 9 insertions, 19 deletions
diff --git a/drivers/crypto/aspeed/aspeed-hace.h b/drivers/crypto/aspeed/aspeed-hace.h index 68f70e01fccb..b1d07730d543 100644 --- a/drivers/crypto/aspeed/aspeed-hace.h +++ b/drivers/crypto/aspeed/aspeed-hace.h @@ -119,7 +119,6 @@ #define SHA_FLAGS_SHA512 BIT(4) #define SHA_FLAGS_SHA512_224 BIT(5) #define SHA_FLAGS_SHA512_256 BIT(6) -#define SHA_FLAGS_HMAC BIT(8) #define SHA_FLAGS_FINUP BIT(9) #define SHA_FLAGS_MASK (0xff) @@ -161,22 +160,18 @@ struct aspeed_engine_hash { aspeed_hace_fn_t dma_prepare; }; -struct aspeed_sha_hmac_ctx { - struct crypto_shash *shash; - u8 ipad[SHA512_BLOCK_SIZE]; - u8 opad[SHA512_BLOCK_SIZE]; -}; - struct aspeed_sham_ctx { struct aspeed_hace_dev *hace_dev; - unsigned long flags; /* hmac flag */ - - struct aspeed_sha_hmac_ctx base[]; }; struct aspeed_sham_reqctx { + /* DMA buffer written by hardware */ + u8 digest[SHA512_DIGEST_SIZE] __aligned(64); + + /* Software state sorted by size. */ + u64 digcnt[2]; + unsigned long flags; /* final update flag should no use*/ - unsigned long op; /* final or update */ u32 cmd; /* trigger cmd */ /* walk state */ @@ -188,17 +183,12 @@ struct aspeed_sham_reqctx { size_t digsize; size_t block_size; size_t ivsize; - const __be32 *sha_iv; - /* remain data buffer */ - u8 buffer[SHA512_BLOCK_SIZE * 2]; dma_addr_t buffer_dma_addr; - size_t bufcnt; /* buffer counter */ - - /* output buffer */ - u8 digest[SHA512_DIGEST_SIZE] __aligned(64); dma_addr_t digest_dma_addr; - u64 digcnt[2]; + + /* This is DMA too but read-only for hardware. */ + u8 buffer[SHA512_BLOCK_SIZE + 16]; }; struct aspeed_engine_crypto { |