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/* SPDX-License-Identifier: GPL-2.0
*
* Copyright (C) 2019 - 2021
*
* Richard van Schagen <vschagen@icloud.com>
* Christian Marangi <ansuelsmth@gmail.com
*/
#ifndef _EIP93_CIPHER_H_
#define _EIP93_CIPHER_H_
#include "eip93-main.h"
struct eip93_crypto_ctx {
struct eip93_device *eip93;
u32 flags;
struct sa_record *sa_record;
u32 sa_nonce;
int blksize;
dma_addr_t sa_record_base;
/* AEAD specific */
unsigned int authsize;
unsigned int assoclen;
bool set_assoc;
enum eip93_alg_type type;
};
struct eip93_cipher_reqctx {
u16 desc_flags;
u16 flags;
unsigned int blksize;
unsigned int ivsize;
unsigned int textsize;
unsigned int assoclen;
unsigned int authsize;
dma_addr_t sa_record_base;
struct sa_state *sa_state;
dma_addr_t sa_state_base;
struct eip93_descriptor *cdesc;
struct scatterlist *sg_src;
struct scatterlist *sg_dst;
int src_nents;
int dst_nents;
struct sa_state *sa_state_ctr;
dma_addr_t sa_state_ctr_base;
};
int check_valid_request(struct eip93_cipher_reqctx *rctx);
void eip93_unmap_dma(struct eip93_device *eip93, struct eip93_cipher_reqctx *rctx,
struct scatterlist *reqsrc, struct scatterlist *reqdst);
void eip93_skcipher_handle_result(struct crypto_async_request *async, int err);
int eip93_send_req(struct crypto_async_request *async,
const u8 *reqiv, struct eip93_cipher_reqctx *rctx);
void eip93_handle_result(struct eip93_device *eip93, struct eip93_cipher_reqctx *rctx,
u8 *reqiv);
#endif /* _EIP93_CIPHER_H_ */
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