include/crypto/engine.h

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2 /*
   3  * Crypto engine API
   4  *
   5  * Copyright (c) 2016 Baolin Wang <baolin.wang@linaro.org>
   6  */
   7 #ifndef _CRYPTO_ENGINE_H
   8 #define _CRYPTO_ENGINE_H
   9
  10 #include <linux/types.h>
  11
  12 struct aead_request;
  13 struct ahash_request;
  14 struct akcipher_request;
  15 struct crypto_engine;
  16 struct device;
  17 struct kpp_request;
  18 struct skcipher_request;
  19
  20 /*
  21  * struct crypto_engine_op - crypto hardware engine operations
  22  * @do_one_request: do encryption for current request
  23  */
  24 struct crypto_engine_op {
  25         int (*do_one_request)(struct crypto_engine *engine,
  26                               void *areq);
  27 };
  28
  29 struct crypto_engine_ctx {
  30         struct crypto_engine_op op;
  31 };
  32
  33 int crypto_transfer_aead_request_to_engine(struct crypto_engine *engine,
  34                                            struct aead_request *req);
  35 int crypto_transfer_akcipher_request_to_engine(struct crypto_engine *engine,
  36                                                struct akcipher_request *req);
  37 int crypto_transfer_hash_request_to_engine(struct crypto_engine *engine,
  38                                                struct ahash_request *req);
  39 int crypto_transfer_kpp_request_to_engine(struct crypto_engine *engine,
  40                                           struct kpp_request *req);
  41 int crypto_transfer_skcipher_request_to_engine(struct crypto_engine *engine,
  42                                                struct skcipher_request *req);
  43 void crypto_finalize_aead_request(struct crypto_engine *engine,
  44                                   struct aead_request *req, int err);
  45 void crypto_finalize_akcipher_request(struct crypto_engine *engine,
  46                                       struct akcipher_request *req, int err);
  47 void crypto_finalize_hash_request(struct crypto_engine *engine,
  48                                   struct ahash_request *req, int err);
  49 void crypto_finalize_kpp_request(struct crypto_engine *engine,
  50                                  struct kpp_request *req, int err);
  51 void crypto_finalize_skcipher_request(struct crypto_engine *engine,
  52                                       struct skcipher_request *req, int err);
  53 int crypto_engine_start(struct crypto_engine *engine);
  54 int crypto_engine_stop(struct crypto_engine *engine);
  55 struct crypto_engine *crypto_engine_alloc_init(struct device *dev, bool rt);
  56 struct crypto_engine *crypto_engine_alloc_init_and_set(struct device *dev,
  57                                                        bool retry_support,
  58                                                        int (*cbk_do_batch)(struct crypto_engine *engine),
  59                                                        bool rt, int qlen);
  60 int crypto_engine_exit(struct crypto_engine *engine);
  61
  62 #endif /* _CRYPTO_ENGINE_H */