diff options
Diffstat (limited to 'include/crypto/internal/engine.h')
| -rw-r--r-- | include/crypto/internal/engine.h | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/include/crypto/internal/engine.h b/include/crypto/internal/engine.h new file mode 100644 index 000000000000..f19ef376833f --- /dev/null +++ b/include/crypto/internal/engine.h @@ -0,0 +1,58 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * Crypto engine API + * + * Copyright (c) 2016 Baolin Wang <baolin.wang@linaro.org> + * Copyright (c) 2023 Herbert Xu <herbert@gondor.apana.org.au> + */ +#ifndef _CRYPTO_INTERNAL_ENGINE_H +#define _CRYPTO_INTERNAL_ENGINE_H + +#include <crypto/algapi.h> +#include <crypto/engine.h> +#include <linux/kthread.h> +#include <linux/spinlock_types.h> +#include <linux/types.h> + +#define ENGINE_NAME_LEN 30 + +struct device; + +/* + * struct crypto_engine - crypto hardware engine + * @name: the engine name + * @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 + * @rt: whether this queue is set to run as a realtime task + * @list: link with the global crypto engine list + * @queue_lock: spinlock to synchronise access to request queue + * @queue: the crypto queue of the engine + * @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 busy; + bool running; + + bool retry_support; + bool rt; + + struct list_head list; + spinlock_t queue_lock; + struct crypto_queue queue; + struct device *dev; + + struct kthread_worker *kworker; + struct kthread_work pump_requests; + + void *priv_data; + struct crypto_async_request *cur_req; +}; + +#endif |