cryptodev: support device independent sessions

[dpdk.git] / lib / librte_cryptodev / rte_cryptodev_pmd.h

diff --git a/lib/librte_cryptodev/rte_cryptodev_pmd.h b/lib/librte_cryptodev/rte_cryptodev_pmd.h
index 5911b83..2896171 100644 (file)
--- a/lib/librte_cryptodev/rte_cryptodev_pmd.h
+++ b/lib/librte_cryptodev/rte_cryptodev_pmd.h
@@ -285,20 +285,25 @@ typedef void (*cryptodev_sym_initialize_session_t)(struct rte_mempool *mempool,
  * @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 -1 on failure.
  */
-typedef void * (*cryptodev_sym_configure_session_t)(struct rte_cryptodev *dev,
-               struct rte_crypto_sym_xform *xform, 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);
 
 /**
- * Free Crypto session.
- * @param      session         Cryptodev session structure to free
+ * Free driver private session data.
+ *
+ * @param      dev             Crypto device pointer
+ * @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.
@@ -413,6 +418,19 @@ void rte_cryptodev_pmd_callback_process(struct rte_cryptodev *dev,
 int
 rte_cryptodev_pmd_create_dev_name(char *name, const char *dev_name_prefix);
 
+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