diff options
Diffstat (limited to 'drivers/crypto/ccree/cc_cipher.h')
| -rw-r--r-- | drivers/crypto/ccree/cc_cipher.h | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/drivers/crypto/ccree/cc_cipher.h b/drivers/crypto/ccree/cc_cipher.h new file mode 100644 index 000000000000..2a2a6f46c515 --- /dev/null +++ b/drivers/crypto/ccree/cc_cipher.h @@ -0,0 +1,59 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* Copyright (C) 2012-2018 ARM Limited or its affiliates. */ + +/* \file cc_cipher.h + * ARM CryptoCell Cipher Crypto API + */ + +#ifndef __CC_CIPHER_H__ +#define __CC_CIPHER_H__ + +#include <linux/kernel.h> +#include <crypto/algapi.h> +#include "cc_driver.h" +#include "cc_buffer_mgr.h" + +/* Crypto cipher flags */ +#define CC_CRYPTO_CIPHER_KEY_KFDE0 BIT(0) +#define CC_CRYPTO_CIPHER_KEY_KFDE1 BIT(1) +#define CC_CRYPTO_CIPHER_KEY_KFDE2 BIT(2) +#define CC_CRYPTO_CIPHER_KEY_KFDE3 BIT(3) +#define CC_CRYPTO_CIPHER_DU_SIZE_512B BIT(4) + +#define CC_CRYPTO_CIPHER_KEY_KFDE_MASK (CC_CRYPTO_CIPHER_KEY_KFDE0 | \ + CC_CRYPTO_CIPHER_KEY_KFDE1 | \ + CC_CRYPTO_CIPHER_KEY_KFDE2 | \ + CC_CRYPTO_CIPHER_KEY_KFDE3) + +struct cipher_req_ctx { + struct async_gen_req_ctx gen_ctx; + enum cc_req_dma_buf_type dma_buf_type; + u32 in_nents; + u32 in_mlli_nents; + u32 out_nents; + u32 out_mlli_nents; + u8 *backup_info; /*store iv for generated IV flow*/ + u8 *iv; + bool is_giv; + struct mlli_params mlli_params; +}; + +int cc_cipher_alloc(struct cc_drvdata *drvdata); + +int cc_cipher_free(struct cc_drvdata *drvdata); + +struct arm_hw_key_info { + int hw_key1; + int hw_key2; +}; + +/* + * This is a stub function that will replaced when we + * implement secure keys + */ +static inline bool cc_is_hw_key(struct crypto_tfm *tfm) +{ + return false; +} + +#endif /*__CC_CIPHER_H__*/ |