Merge tag 'for-5.8/drivers-2020-06-01' of git://git.kernel.dk/linux-block

[linux-2.6-microblaze.git] / include / crypto / engine.h

diff --git a/include/crypto/engine.h b/include/crypto/engine.h
index e29cd67..3f06e40 100644 (file)
--- a/include/crypto/engine.h
+++ b/include/crypto/engine.h
@@ -24,7 +24,9 @@
  * @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
+ * @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 syncronise access to request queue
  * @queue: the crypto queue of the engine
@@ -35,6 +37,8 @@
  * @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
@@ -45,7 +49,8 @@ struct crypto_engine {
        bool                    idling;
        bool                    busy;
        bool                    running;
-       bool                    cur_req_prepared;
+
+       bool                    retry_support;
 
        struct list_head        list;
        spinlock_t              queue_lock;
@@ -56,6 +61,8 @@ struct crypto_engine {
 
        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;
@@ -102,6 +109,10 @@ void crypto_finalize_skcipher_request(struct crypto_engine *engine,
 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 */