From: LABBE Corentin Subject: [PATCH v3 1/1] crypto: engine: permit to enqueue ashash_request Date: Thu, 2 Jun 2016 15:13:32 +0200 Message-ID: <1464873212-15426-2-git-send-email-clabbe.montjoie@gmail.com> References: <1464873212-15426-1-git-send-email-clabbe.montjoie@gmail.com> Cc: linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org, LABBE Corentin To: herbert@gondor.apana.org.au, davem@davemloft.net, baolin.wang@linaro.org Return-path: In-Reply-To: <1464873212-15426-1-git-send-email-clabbe.montjoie@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-Id: linux-crypto.vger.kernel.org The current crypto engine allow only ablkcipher_request to be enqueued. Thus denying any use of it for hardware that also handle hash algo. This patch convert all ablkcipher_request references to the more general crypto_async_request. Since the crypto engine is now generalist, this patch rename crypto_one_request to do_one_request. Since omap-aes/omap-des are the only users, this patch also convert them to the new cryptoengine API. Signed-off-by: LABBE Corentin --- crypto/crypto_engine.c | 19 ++++++++----------- drivers/crypto/omap-aes.c | 18 +++++++++++++----- drivers/crypto/omap-des.c | 18 +++++++++++++----- include/crypto/algapi.h | 18 +++++++++--------- 4 files changed, 43 insertions(+), 30 deletions(-) diff --git a/crypto/crypto_engine.c b/crypto/crypto_engine.c index a55c82d..e9b31f4 100644 --- a/crypto/crypto_engine.c +++ b/crypto/crypto_engine.c @@ -19,7 +19,7 @@ #define CRYPTO_ENGINE_MAX_QLEN 10 void crypto_finalize_request(struct crypto_engine *engine, - struct ablkcipher_request *req, int err); + struct crypto_async_request *req, int err); /** * crypto_pump_requests - dequeue one request from engine queue to process @@ -34,7 +34,6 @@ static void crypto_pump_requests(struct crypto_engine *engine, bool in_kthread) { struct crypto_async_request *async_req, *backlog; - struct ablkcipher_request *req; unsigned long flags; bool was_busy = false; int ret; @@ -82,9 +81,7 @@ static void crypto_pump_requests(struct crypto_engine *engine, if (!async_req) goto out; - req = ablkcipher_request_cast(async_req); - - engine->cur_req = req; + engine->cur_req = async_req; if (backlog) backlog->complete(backlog, -EINPROGRESS); @@ -113,7 +110,7 @@ static void crypto_pump_requests(struct crypto_engine *engine, engine->cur_req_prepared = true; } - ret = engine->crypt_one_request(engine, engine->cur_req); + ret = engine->do_one_request(engine, engine->cur_req); if (ret) { pr_err("failed to crypt one request from queue\n"); goto req_err; @@ -142,7 +139,7 @@ static void crypto_pump_work(struct kthread_work *work) * @req: the request need to be listed into the engine queue */ int crypto_transfer_request(struct crypto_engine *engine, - struct ablkcipher_request *req, bool need_pump) + struct crypto_async_request *req, bool need_pump) { unsigned long flags; int ret; @@ -154,7 +151,7 @@ int crypto_transfer_request(struct crypto_engine *engine, return -ESHUTDOWN; } - ret = ablkcipher_enqueue_request(&engine->queue, req); + ret = crypto_enqueue_request(&engine->queue, req); if (!engine->busy && need_pump) queue_kthread_work(&engine->kworker, &engine->pump_requests); @@ -171,7 +168,7 @@ EXPORT_SYMBOL_GPL(crypto_transfer_request); * @req: the request need to be listed into the engine queue */ int crypto_transfer_request_to_engine(struct crypto_engine *engine, - struct ablkcipher_request *req) + struct crypto_async_request *req) { return crypto_transfer_request(engine, req, true); } @@ -184,7 +181,7 @@ EXPORT_SYMBOL_GPL(crypto_transfer_request_to_engine); * @err: error number */ void crypto_finalize_request(struct crypto_engine *engine, - struct ablkcipher_request *req, int err) + struct crypto_async_request *req, int err) { unsigned long flags; bool finalize_cur_req = false; @@ -208,7 +205,7 @@ void crypto_finalize_request(struct crypto_engine *engine, spin_unlock_irqrestore(&engine->queue_lock, flags); } - req->base.complete(&req->base, err); + req->complete(req, err); queue_kthread_work(&engine->kworker, &engine->pump_requests); } diff --git a/drivers/crypto/omap-aes.c b/drivers/crypto/omap-aes.c index ce174d3..a8234fc 100644 --- a/drivers/crypto/omap-aes.c +++ b/drivers/crypto/omap-aes.c @@ -519,7 +519,7 @@ static void omap_aes_finish_req(struct omap_aes_dev *dd, int err) pr_debug("err: %d\n", err); - crypto_finalize_request(dd->engine, req, err); + crypto_finalize_request(dd->engine, &req->base, err); } static int omap_aes_crypt_dma_stop(struct omap_aes_dev *dd) @@ -592,14 +592,15 @@ static int omap_aes_handle_queue(struct omap_aes_dev *dd, struct ablkcipher_request *req) { if (req) - return crypto_transfer_request_to_engine(dd->engine, req); + return crypto_transfer_request_to_engine(dd->engine, &req->base); return 0; } static int omap_aes_prepare_req(struct crypto_engine *engine, - struct ablkcipher_request *req) + struct crypto_async_request *areq) { + struct ablkcipher_request *req = ablkcipher_request_cast(areq); struct omap_aes_ctx *ctx = crypto_ablkcipher_ctx( crypto_ablkcipher_reqtfm(req)); struct omap_aes_dev *dd = omap_aes_find_dev(ctx); @@ -609,6 +610,9 @@ static int omap_aes_prepare_req(struct crypto_engine *engine, if (!dd) return -ENODEV; + if (crypto_tfm_alg_type(areq->tfm) != CRYPTO_ALG_TYPE_ABLKCIPHER) + return -EINVAL; + /* assign new request to device */ dd->req = req; dd->total = req->nbytes; @@ -642,8 +646,9 @@ static int omap_aes_prepare_req(struct crypto_engine *engine, } static int omap_aes_crypt_req(struct crypto_engine *engine, - struct ablkcipher_request *req) + struct crypto_async_request *areq) { + struct ablkcipher_request *req = ablkcipher_request_cast(areq); struct omap_aes_ctx *ctx = crypto_ablkcipher_ctx( crypto_ablkcipher_reqtfm(req)); struct omap_aes_dev *dd = omap_aes_find_dev(ctx); @@ -651,6 +656,9 @@ static int omap_aes_crypt_req(struct crypto_engine *engine, if (!dd) return -ENODEV; + if (crypto_tfm_alg_type(areq->tfm) != CRYPTO_ALG_TYPE_ABLKCIPHER) + return -EINVAL; + return omap_aes_crypt_dma_start(dd); } @@ -1205,7 +1213,7 @@ static int omap_aes_probe(struct platform_device *pdev) goto err_algs; dd->engine->prepare_request = omap_aes_prepare_req; - dd->engine->crypt_one_request = omap_aes_crypt_req; + dd->engine->do_one_request = omap_aes_crypt_req; err = crypto_engine_start(dd->engine); if (err) goto err_engine; diff --git a/drivers/crypto/omap-des.c b/drivers/crypto/omap-des.c index 3eedb03..a8026f7 100644 --- a/drivers/crypto/omap-des.c +++ b/drivers/crypto/omap-des.c @@ -506,7 +506,7 @@ static void omap_des_finish_req(struct omap_des_dev *dd, int err) pr_debug("err: %d\n", err); pm_runtime_put(dd->dev); - crypto_finalize_request(dd->engine, req, err); + crypto_finalize_request(dd->engine, &req->base, err); } static int omap_des_crypt_dma_stop(struct omap_des_dev *dd) @@ -572,14 +572,15 @@ static int omap_des_handle_queue(struct omap_des_dev *dd, struct ablkcipher_request *req) { if (req) - return crypto_transfer_request_to_engine(dd->engine, req); + return crypto_transfer_request_to_engine(dd->engine, &req->base); return 0; } static int omap_des_prepare_req(struct crypto_engine *engine, - struct ablkcipher_request *req) + struct crypto_async_request *areq) { + struct ablkcipher_request *req = ablkcipher_request_cast(areq); struct omap_des_ctx *ctx = crypto_ablkcipher_ctx( crypto_ablkcipher_reqtfm(req)); struct omap_des_dev *dd = omap_des_find_dev(ctx); @@ -588,6 +589,9 @@ static int omap_des_prepare_req(struct crypto_engine *engine, if (!dd) return -ENODEV; + if (crypto_tfm_alg_type(areq->tfm) != CRYPTO_ALG_TYPE_ABLKCIPHER) + return -EINVAL; + /* assign new request to device */ dd->req = req; dd->total = req->nbytes; @@ -620,8 +624,9 @@ static int omap_des_prepare_req(struct crypto_engine *engine, } static int omap_des_crypt_req(struct crypto_engine *engine, - struct ablkcipher_request *req) + struct crypto_async_request *areq) { + struct ablkcipher_request *req = ablkcipher_request_cast(areq); struct omap_des_ctx *ctx = crypto_ablkcipher_ctx( crypto_ablkcipher_reqtfm(req)); struct omap_des_dev *dd = omap_des_find_dev(ctx); @@ -629,6 +634,9 @@ static int omap_des_crypt_req(struct crypto_engine *engine, if (!dd) return -ENODEV; + if (crypto_tfm_alg_type(areq->tfm) != CRYPTO_ALG_TYPE_ABLKCIPHER) + return -EINVAL; + return omap_des_crypt_dma_start(dd); } @@ -1093,7 +1101,7 @@ static int omap_des_probe(struct platform_device *pdev) goto err_algs; dd->engine->prepare_request = omap_des_prepare_req; - dd->engine->crypt_one_request = omap_des_crypt_req; + dd->engine->do_one_request = omap_des_crypt_req; err = crypto_engine_start(dd->engine); if (err) goto err_engine; diff --git a/include/crypto/algapi.h b/include/crypto/algapi.h index eeafd21..c8de827 100644 --- a/include/crypto/algapi.h +++ b/include/crypto/algapi.h @@ -149,7 +149,7 @@ struct ablkcipher_walk { * 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 + * @do_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 @@ -173,26 +173,26 @@ struct crypto_engine { int (*unprepare_crypt_hardware)(struct crypto_engine *engine); int (*prepare_request)(struct crypto_engine *engine, - struct ablkcipher_request *req); + struct crypto_async_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 crypto_async_request *req); + int (*do_one_request)(struct crypto_engine *engine, + struct crypto_async_request *req); struct kthread_worker kworker; struct task_struct *kworker_task; struct kthread_work pump_requests; void *priv_data; - struct ablkcipher_request *cur_req; + struct crypto_async_request *cur_req; }; int crypto_transfer_request(struct crypto_engine *engine, - struct ablkcipher_request *req, bool need_pump); + struct crypto_async_request *req, bool need_pump); int crypto_transfer_request_to_engine(struct crypto_engine *engine, - struct ablkcipher_request *req); + struct crypto_async_request *req); void crypto_finalize_request(struct crypto_engine *engine, - struct ablkcipher_request *req, int err); + struct crypto_async_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); -- 2.7.3