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/* 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"
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;
struct mlli_params mlli_params;
};
int cc_cipher_alloc(struct cc_drvdata *drvdata);
int cc_cipher_free(struct cc_drvdata *drvdata);
struct cc_hkey_info {
u16 keylen;
u8 hw_key1;
u8 hw_key2;
} __packed;
#define CC_HW_KEY_SIZE sizeof(struct cc_hkey_info)
#endif /*__CC_CIPHER_H__*/
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