60 lines
1.3 KiB
C
60 lines
1.3 KiB
C
/* 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__*/
|