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Name	Size	Permission
internal	[ DIR ]	drwxr-xr-x
ablk_helper.h	773 B	-rw-r--r--
acompress.h	7.83 KB	-rw-r--r--
aead.h	18.03 KB	-rw-r--r--
aes.h	1.03 KB	-rw-r--r--
akcipher.h	11.63 KB	-rw-r--r--
algapi.h	11.12 KB	-rw-r--r--
authenc.h	845 B	-rw-r--r--
b128ops.h	2.41 KB	-rw-r--r--
blowfish.h	415 B	-rw-r--r--
cast5.h	590 B	-rw-r--r--
cast6.h	636 B	-rw-r--r--
cast_common.h	232 B	-rw-r--r--
cbc.h	3.48 KB	-rw-r--r--
chacha20.h	640 B	-rw-r--r--
cryptd.h	2.5 KB	-rw-r--r--
crypto_wq.h	161 B	-rw-r--r--
ctr.h	524 B	-rw-r--r--
des.h	542 B	-rw-r--r--
dh.h	2.62 KB	-rw-r--r--
drbg.h	8.96 KB	-rw-r--r--
ecdh.h	2.67 KB	-rw-r--r--
engine.h	4 KB	-rw-r--r--
gcm.h	140 B	-rw-r--r--
gf128mul.h	9.41 KB	-rw-r--r--
ghash.h	381 B	-rw-r--r--
hash.h	31.34 KB	-rw-r--r--
hash_info.h	1.13 KB	-rw-r--r--
hmac.h	173 B	-rw-r--r--
if_alg.h	7.01 KB	-rw-r--r--
kpp.h	9.62 KB	-rw-r--r--
lrw.h	1.22 KB	-rw-r--r--
mcryptd.h	2.37 KB	-rw-r--r--
md5.h	497 B	-rw-r--r--
null.h	569 B	-rw-r--r--
padlock.h	649 B	-rw-r--r--
pcrypt.h	1.4 KB	-rw-r--r--
pkcs7.h	1.21 KB	-rw-r--r--
poly1305.h	920 B	-rw-r--r--
public_key.h	2.08 KB	-rw-r--r--
rng.h	6.59 KB	-rw-r--r--
scatterwalk.h	3.67 KB	-rw-r--r--
serpent.h	712 B	-rw-r--r--
sha.h	2.88 KB	-rw-r--r--
sha1_base.h	2.47 KB	-rw-r--r--
sha256_base.h	3.03 KB	-rw-r--r--
sha3.h	704 B	-rw-r--r--
sha512_base.h	3.19 KB	-rw-r--r--
skcipher.h	20.63 KB	-rw-r--r--
sm3.h	833 B	-rw-r--r--
sm3_base.h	2.95 KB	-rw-r--r--
twofish.h	755 B	-rw-r--r--
xts.h	1.81 KB	-rw-r--r--

Code Editor : engine.h

/*
 * Crypto engine API
 *
 * Copyright (c) 2016 Baolin Wang <baolin.wang@linaro.org>
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the Free
 * Software Foundation; either version 2 of the License, or (at your option)
 * any later version.
 *
 */
#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/hash.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
 * @prepare_cipher_request: do some prepare if need before handle the current request
 * @unprepare_cipher_request: undo any work done by prepare_cipher_request()
 * @cipher_one_request: do encryption for current request
 * @prepare_hash_request: do some prepare if need before handle the current request
 * @unprepare_hash_request: undo any work done by prepare_hash_request()
 * @hash_one_request: do hash for current request
 * @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);

int (*prepare_cipher_request)(struct crypto_engine *engine,
				      struct ablkcipher_request *req);
	int (*unprepare_cipher_request)(struct crypto_engine *engine,
					struct ablkcipher_request *req);
	int (*prepare_hash_request)(struct crypto_engine *engine,
				    struct ahash_request *req);
	int (*unprepare_hash_request)(struct crypto_engine *engine,
				      struct ahash_request *req);
	int (*cipher_one_request)(struct crypto_engine *engine,
				  struct ablkcipher_request *req);
	int (*hash_one_request)(struct crypto_engine *engine,
				struct ahash_request *req);

struct kthread_worker           *kworker;
	struct kthread_work             pump_requests;

void				*priv_data;
	struct crypto_async_request	*cur_req;
};

int crypto_transfer_cipher_request(struct crypto_engine *engine,
				   struct ablkcipher_request *req,
				   bool need_pump);
int crypto_transfer_cipher_request_to_engine(struct crypto_engine *engine,
					     struct ablkcipher_request *req);
int crypto_transfer_hash_request(struct crypto_engine *engine,
				 struct ahash_request *req, bool need_pump);
int crypto_transfer_hash_request_to_engine(struct crypto_engine *engine,
					   struct ahash_request *req);
void crypto_finalize_cipher_request(struct crypto_engine *engine,
				    struct ablkcipher_request *req, int err);
void crypto_finalize_hash_request(struct crypto_engine *engine,
				  struct ahash_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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Code Editor : engine.h