Файловый менеджер

Файловый менеджер - Редактировать - /usr/src/linux-headers-5.4.0-200/include/crypto/engine.h

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/* SPDX-License-Identifier: GPL-2.0-or-later / / * Crypto engine API * * Copyright (c) 2016 Baolin Wang <baolin.wang@linaro.org> / #ifndef _CRYPTO_ENGINE_H #define _CRYPTO_ENGINE_H #include <linux/crypto.h> #include <linux/list.h> #include <linux/kernel.h> #include <linux/kthread.h> #include <crypto/algapi.h> #include <crypto/aead.h> #include <crypto/akcipher.h> #include <crypto/hash.h> #include <crypto/skcipher.h> #define ENGINE_NAME_LEN 30 / * struct crypto_engine - crypto hardware engine * @name: the engine name * @idling: the engine is entering idle state * @busy: request pump is busy * @running: the engine is on working * @cur_req_prepared: current request is prepared * @list: link with the global crypto engine list * @queue_lock: spinlock to syncronise access to request queue * @queue: the crypto queue of the engine * @rt: whether this queue is set to run as a realtime task * @prepare_crypt_hardware: a request will soon arrive from the queue * so the subsystem requests the driver to prepare the hardware * by issuing this call * @unprepare_crypt_hardware: there are currently no more requests on the * queue so the subsystem notifies the driver that it may relax the * hardware by issuing this call * @kworker: kthread worker struct for request pump * @pump_requests: work struct for scheduling work to the request pump * @priv_data: the engine private data * @cur_req: the current request which is on processing / struct crypto_engine { char name[ENGINE_NAME_LEN]; bool idling; bool busy; bool running; bool cur_req_prepared; struct list_head list; spinlock_t queue_lock; struct crypto_queue queue; struct device dev; bool rt; int (prepare_crypt_hardware)(struct crypto_engine engine); int (unprepare_crypt_hardware)(struct crypto_engine engine); struct kthread_worker kworker; struct kthread_work pump_requests; void priv_data; struct crypto_async_request cur_req; }; / * struct crypto_engine_op - crypto hardware engine operations * @prepare__request: do some prepare if need before handle the current request * @unprepare_request: undo any work done by prepare_request() * @do_one_request: do encryption for current request / struct crypto_engine_op { int (prepare_request)(struct crypto_engine engine, void areq); int (unprepare_request)(struct crypto_engine engine, void areq); int (do_one_request)(struct crypto_engine engine, void areq); }; struct crypto_engine_ctx { struct crypto_engine_op op; }; int crypto_transfer_ablkcipher_request_to_engine(struct crypto_engine engine, struct ablkcipher_request req); int crypto_transfer_aead_request_to_engine(struct crypto_engine engine, struct aead_request req); int crypto_transfer_akcipher_request_to_engine(struct crypto_engine engine, struct akcipher_request req); int crypto_transfer_hash_request_to_engine(struct crypto_engine engine, struct ahash_request req); int crypto_transfer_skcipher_request_to_engine(struct crypto_engine engine, struct skcipher_request req); void crypto_finalize_ablkcipher_request(struct crypto_engine engine, struct ablkcipher_request req, int err); void crypto_finalize_aead_request(struct crypto_engine engine, struct aead_request req, int err); void crypto_finalize_akcipher_request(struct crypto_engine engine, struct akcipher_request req, int err); void crypto_finalize_hash_request(struct crypto_engine engine, struct ahash_request req, int err); void crypto_finalize_skcipher_request(struct crypto_engine engine, struct skcipher_request req, int err); int crypto_engine_start(struct crypto_engine engine); int crypto_engine_stop(struct crypto_engine engine); struct crypto_engine crypto_engine_alloc_init(struct device dev, bool rt); int crypto_engine_exit(struct crypto_engine engine); #endif / _CRYPTO_ENGINE_H */

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