crypto: engine - move crypto engine to its own header
This patch move the whole crypto engine API to its own header crypto/engine.h. Signed-off-by: Corentin Labbe <clabbe.montjoie@gmail.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Corentin LABBE
Herbert Xu
parent
1548a37da0
commit
2589ad8404
|
|
@ -14,6 +14,7 @@
|
|||
|
||||
#include <linux/err.h>
|
||||
#include <linux/delay.h>
|
||||
#include <crypto/engine.h>
|
||||
#include "internal.h"
|
||||
|
||||
#define CRYPTO_ENGINE_MAX_QLEN 10
|
||||
|
|
|
|||
|
|
@ -36,6 +36,7 @@
|
|||
#include <crypto/scatterwalk.h>
|
||||
#include <crypto/aes.h>
|
||||
#include <crypto/algapi.h>
|
||||
#include <crypto/engine.h>
|
||||
|
||||
#define DST_MAXBURST 4
|
||||
#define DMA_MIN (DST_MAXBURST * sizeof(u32))
|
||||
|
|
|
|||
|
|
@ -39,6 +39,7 @@
|
|||
#include <crypto/scatterwalk.h>
|
||||
#include <crypto/des.h>
|
||||
#include <crypto/algapi.h>
|
||||
#include <crypto/engine.h>
|
||||
|
||||
#define DST_MAXBURST 2
|
||||
|
||||
|
|
|
|||
|
|
@ -15,7 +15,6 @@
|
|||
#include <linux/crypto.h>
|
||||
#include <linux/list.h>
|
||||
#include <linux/kernel.h>
|
||||
#include <linux/kthread.h>
|
||||
#include <linux/skbuff.h>
|
||||
|
||||
struct crypto_aead;
|
||||
|
|
@ -129,75 +128,6 @@ struct ablkcipher_walk {
|
|||
unsigned int blocksize;
|
||||
};
|
||||
|
||||
#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_request: do some prepare if need before handle the current request
|
||||
* @unprepare_request: undo any work done by prepare_message()
|
||||
* @crypt_one_request: do encryption for current request
|
||||
* @kworker: thread struct for request pump
|
||||
* @kworker_task: pointer to task for request pump kworker thread
|
||||
* @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;
|
||||
|
||||
bool rt;
|
||||
|
||||
int (*prepare_crypt_hardware)(struct crypto_engine *engine);
|
||||
int (*unprepare_crypt_hardware)(struct crypto_engine *engine);
|
||||
|
||||
int (*prepare_request)(struct crypto_engine *engine,
|
||||
struct ablkcipher_request *req);
|
||||
int (*unprepare_request)(struct crypto_engine *engine,
|
||||
struct ablkcipher_request *req);
|
||||
int (*crypt_one_request)(struct crypto_engine *engine,
|
||||
struct ablkcipher_request *req);
|
||||
|
||||
struct kthread_worker kworker;
|
||||
struct task_struct *kworker_task;
|
||||
struct kthread_work pump_requests;
|
||||
|
||||
void *priv_data;
|
||||
struct ablkcipher_request *cur_req;
|
||||
};
|
||||
|
||||
int crypto_transfer_request(struct crypto_engine *engine,
|
||||
struct ablkcipher_request *req, bool need_pump);
|
||||
int crypto_transfer_request_to_engine(struct crypto_engine *engine,
|
||||
struct ablkcipher_request *req);
|
||||
void crypto_finalize_request(struct crypto_engine *engine,
|
||||
struct ablkcipher_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);
|
||||
|
||||
extern const struct crypto_type crypto_ablkcipher_type;
|
||||
extern const struct crypto_type crypto_blkcipher_type;
|
||||
|
||||
|
|
|
|||
|
|
@ -0,0 +1,90 @@
|
|||
/*
|
||||
* 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>
|
||||
|
||||
#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_request: do some prepare if need before handle the current request
|
||||
* @unprepare_request: undo any work done by prepare_message()
|
||||
* @crypt_one_request: do encryption for current request
|
||||
* @kworker: thread struct for request pump
|
||||
* @kworker_task: pointer to task for request pump kworker thread
|
||||
* @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;
|
||||
|
||||
bool rt;
|
||||
|
||||
int (*prepare_crypt_hardware)(struct crypto_engine *engine);
|
||||
int (*unprepare_crypt_hardware)(struct crypto_engine *engine);
|
||||
|
||||
int (*prepare_request)(struct crypto_engine *engine,
|
||||
struct ablkcipher_request *req);
|
||||
int (*unprepare_request)(struct crypto_engine *engine,
|
||||
struct ablkcipher_request *req);
|
||||
int (*crypt_one_request)(struct crypto_engine *engine,
|
||||
struct ablkcipher_request *req);
|
||||
|
||||
struct kthread_worker kworker;
|
||||
struct task_struct *kworker_task;
|
||||
struct kthread_work pump_requests;
|
||||
|
||||
void *priv_data;
|
||||
struct ablkcipher_request *cur_req;
|
||||
};
|
||||
|
||||
int crypto_transfer_request(struct crypto_engine *engine,
|
||||
struct ablkcipher_request *req, bool need_pump);
|
||||
int crypto_transfer_request_to_engine(struct crypto_engine *engine,
|
||||
struct ablkcipher_request *req);
|
||||
void crypto_finalize_request(struct crypto_engine *engine,
|
||||
struct ablkcipher_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 */
|
||||
Loading…
Reference in New Issue