crypto: engine - Move struct crypto_engine into internal/engine.h

Most drivers should not access the internal details of struct
crypto_engine.  Move it into the internal header file.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

include/crypto/engine.h

@@ -7,72 +7,16 @@
 #ifndef _CRYPTO_ENGINE_H
 #define _CRYPTO_ENGINE_H
 
-#include <crypto/algapi.h>
-#include <linux/kthread.h>
-#include <linux/spinlock_types.h>
 #include <linux/types.h>
 
 struct aead_request;
 struct ahash_request;
 struct akcipher_request;
+struct crypto_engine;
 struct device;
 struct kpp_request;
 struct skcipher_request;
 
-#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
- * @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 synchronise 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
- * @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
- * @cur_req: the current request which is on processing
- */
-struct crypto_engine {
-	char			name[ENGINE_NAME_LEN];
-	bool			idling;
-	bool			busy;
-	bool			running;
-
-	bool			retry_support;
-
-	struct list_head	list;
-	spinlock_t		queue_lock;
-	struct crypto_queue	queue;
-	struct device		*dev;
-
-	bool			rt;
-
-	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;
-
-	void				*priv_data;
-	struct crypto_async_request	*cur_req;
-};
-
 /*
  * struct crypto_engine_op - crypto hardware engine operations
  * @do_one_request: do encryption for current request

include/crypto/internal/engine.h

@@ -8,6 +8,67 @@
 #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
+ * @idling: the engine is entering idle state
+ * @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
+ * @list: link with the global crypto engine list
+ * @queue_lock: spinlock to synchronise 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
+ * @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
+ * @cur_req: the current request which is on processing
+ */
+struct crypto_engine {
+	char			name[ENGINE_NAME_LEN];
+	bool			idling;
+	bool			busy;
+	bool			running;
+
+	bool			retry_support;
+
+	struct list_head	list;
+	spinlock_t		queue_lock;
+	struct crypto_queue	queue;
+	struct device		*dev;
+
+	bool			rt;
+
+	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;
+
+	void				*priv_data;
+	struct crypto_async_request	*cur_req;
+};
 
 #endif