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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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