X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=lib%2Flibrte_cryptodev%2Frte_cryptodev_pmd.h;h=ba074e1993713c404778e1286457496d1a85bc04;hb=effd3b9fcf3841869e5035ac08ff25b1807c3f15;hp=5911b838b7c95fd0ea751e8eaf6e88fe32ad6aa7;hpb=c3e3f5cf0bfbae51ffe4463d3dbbaa2562df71e2;p=dpdk.git

diff --git a/lib/librte_cryptodev/rte_cryptodev_pmd.h b/lib/librte_cryptodev/rte_cryptodev_pmd.h
index 5911b838b7..ba074e1993 100644
--- a/lib/librte_cryptodev/rte_cryptodev_pmd.h
+++ b/lib/librte_cryptodev/rte_cryptodev_pmd.h
@@ -65,6 +65,13 @@ struct rte_cryptodev_global {
 	uint8_t max_devs;		/**< Max number of devices */
 };
 
+/* Cryptodev driver, containing the driver ID */
+struct cryptodev_driver {
+	TAILQ_ENTRY(cryptodev_driver) next; /**< Next in list. */
+	const struct rte_driver *driver;
+	uint8_t id;
+};
+
 /** pointer to global crypto devices data structure. */
 extern struct rte_cryptodev_global *rte_cryptodev_globals;
 
@@ -207,12 +214,13 @@ typedef int (*cryptodev_queue_pair_stop_t)(struct rte_cryptodev *dev,
  * @param	qp_id		Queue Pair Index
  * @param	qp_conf		Queue configuration structure
  * @param	socket_id	Socket Index
+ * @param	session_pool	Pointer to device session mempool
  *
  * @return	Returns 0 on success.
  */
 typedef int (*cryptodev_queue_pair_setup_t)(struct rte_cryptodev *dev,
 		uint16_t qp_id,	const struct rte_cryptodev_qp_conf *qp_conf,
-		int socket_id);
+		int socket_id, struct rte_mempool *session_pool);
 
 /**
  * Release memory resources allocated by given queue pair.
@@ -266,39 +274,32 @@ typedef unsigned (*cryptodev_sym_get_session_private_size_t)(
 		struct rte_cryptodev *dev);
 
 /**
- * Initialize a Crypto session on a device.
+ * Configure a Crypto session on a device.
  *
  * @param	dev		Crypto device pointer
  * @param	xform		Single or chain of crypto xforms
  * @param	priv_sess	Pointer to cryptodev's private session structure
+ * @param	mp		Mempool where the private session is allocated
  *
  * @return
- *  - Returns private session structure on success.
- *  - Returns NULL on failure.
+ *  - Returns 0 if private session structure have been created successfully.
+ *  - Returns -EINVAL if input parameters are invalid.
+ *  - Returns -ENOTSUP if crypto device does not support the crypto transform.
+ *  - Returns -ENOMEM if the private session could not be allocated.
  */
-typedef void (*cryptodev_sym_initialize_session_t)(struct rte_mempool *mempool,
-		void *session_private);
+typedef int (*cryptodev_sym_configure_session_t)(struct rte_cryptodev *dev,
+		struct rte_crypto_sym_xform *xform,
+		struct rte_cryptodev_sym_session *session,
+		struct rte_mempool *mp);
 
 /**
- * Configure a Crypto session on a device.
+ * Free driver private session data.
  *
  * @param	dev		Crypto device pointer
- * @param	xform		Single or chain of crypto xforms
- * @param	priv_sess	Pointer to cryptodev's private session structure
- *
- * @return
- *  - Returns private session structure on success.
- *  - Returns NULL on failure.
- */
-typedef void * (*cryptodev_sym_configure_session_t)(struct rte_cryptodev *dev,
-		struct rte_crypto_sym_xform *xform, void *session_private);
-
-/**
- * Free Crypto session.
- * @param	session		Cryptodev session structure to free
+ * @param	sess		Cryptodev session structure
  */
 typedef void (*cryptodev_sym_free_session_t)(struct rte_cryptodev *dev,
-		void *session_private);
+		struct rte_cryptodev_sym_session *sess);
 
 /**
  * Optional API for drivers to attach sessions with queue pair.
@@ -353,8 +354,6 @@ struct rte_cryptodev_ops {
 
 	cryptodev_sym_get_session_private_size_t session_get_size;
 	/**< Return private session. */
-	cryptodev_sym_initialize_session_t session_initialize;
-	/**< Initialization function for private session data */
 	cryptodev_sym_configure_session_t session_configure;
 	/**< Configure a Crypto session. */
 	cryptodev_sym_free_session_t session_clear;
@@ -413,6 +412,42 @@ void rte_cryptodev_pmd_callback_process(struct rte_cryptodev *dev,
 int
 rte_cryptodev_pmd_create_dev_name(char *name, const char *dev_name_prefix);
 
+/**
+ * @internal
+ * Allocate Cryptodev driver.
+ *
+ * @param crypto_drv
+ *   Pointer to cryptodev_driver.
+ * @param drv
+ *   Pointer to rte_driver.
+ *
+ * @return
+ *  The driver type identifier
+ */
+uint8_t rte_cryptodev_allocate_driver(struct cryptodev_driver *crypto_drv,
+		const struct rte_driver *drv);
+
+
+#define RTE_PMD_REGISTER_CRYPTO_DRIVER(crypto_drv, drv, driver_id)\
+RTE_INIT(init_ ##driver_id);\
+static void init_ ##driver_id(void)\
+{\
+	driver_id = rte_cryptodev_allocate_driver(&crypto_drv, &(drv).driver);\
+}
+
+static inline void *
+get_session_private_data(const struct rte_cryptodev_sym_session *sess,
+		uint8_t driver_id) {
+	return sess->sess_private_data[driver_id];
+}
+
+static inline void
+set_session_private_data(struct rte_cryptodev_sym_session *sess,
+		uint8_t driver_id, void *private_data)
+{
+	sess->sess_private_data[driver_id] = private_data;
+}
+
 #ifdef __cplusplus
 }
 #endif