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crypto: engine - Permit to enqueue all async requests

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The crypto engine could actually only enqueue hash and ablkcipher request.
This patch permit it to enqueue any type of crypto_async_request.

Signed-off-by: Corentin Labbe <clabbe.montjoie@gmail.com>
Tested-by: Fabien Dessenne <fabien.dessenne@st.com>
Tested-by: Fabien Dessenne <fabien.dessenne@st.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Corentin LABBE
2018-01-26 20:15:30 +01:00
committed by Herbert Xu
parent ce09a6c042
commit 218d1cc186
2 changed files with 207 additions and 170 deletions
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68
include/crypto/engine.h
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@@ -17,7 +17,10 @@
#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
/*
@@ -37,12 +40,6 @@
* @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
@@ -65,19 +62,6 @@ struct crypto_engine {
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;
@@ -85,19 +69,45 @@ struct crypto_engine {
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);
/*
* 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);
void crypto_finalize_cipher_request(struct crypto_engine *engine,
struct ablkcipher_request *req, int err);
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);