Gecko [ v99win.today ]

Name	Size	Permission
internal	[ DIR ]	drwxr-xr-x
acompress.h	8.86 KB	-rw-r--r--
aead.h	18.39 KB	-rw-r--r--
aes.h	2.5 KB	-rw-r--r--
akcipher.h	12.92 KB	-rw-r--r--
algapi.h	7.15 KB	-rw-r--r--
arc4.h	484 B	-rw-r--r--
asym_tpm_subtype.h	521 B	-rw-r--r--
authenc.h	635 B	-rw-r--r--
b128ops.h	2.41 KB	-rw-r--r--
blake2b.h	1.6 KB	-rw-r--r--
blake2s.h	2.72 KB	-rw-r--r--
blowfish.h	415 B	-rw-r--r--
cast5.h	590 B	-rw-r--r--
cast6.h	607 B	-rw-r--r--
cast_common.h	232 B	-rw-r--r--
chacha.h	3.13 KB	-rw-r--r--
chacha20poly1305.h	1.66 KB	-rw-r--r--
cryptd.h	2 KB	-rw-r--r--
ctr.h	1.42 KB	-rw-r--r--
curve25519.h	2.02 KB	-rw-r--r--
des.h	1.68 KB	-rw-r--r--
dh.h	2.51 KB	-rw-r--r--
drbg.h	8.95 KB	-rw-r--r--
ecc_curve.h	1.31 KB	-rw-r--r--
ecdh.h	2.43 KB	-rw-r--r--
engine.h	4.11 KB	-rw-r--r--
gcm.h	867 B	-rw-r--r--
gf128mul.h	9.42 KB	-rw-r--r--
ghash.h	388 B	-rw-r--r--
hash.h	34.04 KB	-rw-r--r--
hash_info.h	998 B	-rw-r--r--
hmac.h	173 B	-rw-r--r--
if_alg.h	6.58 KB	-rw-r--r--
kpp.h	9.91 KB	-rw-r--r--
md5.h	497 B	-rw-r--r--
nhpoly1305.h	2.18 KB	-rw-r--r--
null.h	346 B	-rw-r--r--
padlock.h	438 B	-rw-r--r--
pcrypt.h	815 B	-rw-r--r--
pkcs7.h	1.15 KB	-rw-r--r--
poly1305.h	2.44 KB	-rw-r--r--
public_key.h	2.38 KB	-rw-r--r--
rng.h	6.59 KB	-rw-r--r--
scatterwalk.h	2.94 KB	-rw-r--r--
serpent.h	696 B	-rw-r--r--
sha1.h	1.18 KB	-rw-r--r--
sha1_base.h	2.45 KB	-rw-r--r--
sha2.h	3.76 KB	-rw-r--r--
sha256_base.h	2.56 KB	-rw-r--r--
sha3.h	879 B	-rw-r--r--
sha512_base.h	3.18 KB	-rw-r--r--
skcipher.h	19.95 KB	-rw-r--r--
sm2.h	749 B	-rw-r--r--
sm3.h	897 B	-rw-r--r--
sm3_base.h	2.55 KB	-rw-r--r--
sm4.h	1.12 KB	-rw-r--r--
streebog.h	949 B	-rw-r--r--
twofish.h	743 B	-rw-r--r--
xts.h	1.1 KB	-rw-r--r--

Code Editor : engine.h

/* 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
 * @retry_support: indication that the hardware allows re-execution
 * of a failed backlog request
 * crypto-engine, in head position to keep order
 * @list: link with the global crypto engine list
 * @queue_lock: spinlock to synchronise 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
 * @do_batch_requests: execute a batch of requests. Depends on multiple
 * requests support.
 * @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			retry_support;

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 (*do_batch_requests)(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_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_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);
struct crypto_engine *crypto_engine_alloc_init_and_set(struct device *dev,
						       bool retry_support,
						       int (*cbk_do_batch)(struct crypto_engine *engine),
						       bool rt, int qlen);
int crypto_engine_exit(struct crypto_engine *engine);

#endif /* _CRYPTO_ENGINE_H */

${this.title}

Code Editor : engine.h