cryptodev: add API to get/set event metadata

[dpdk.git] / lib / cryptodev / cryptodev_pmd.h

diff --git a/lib/cryptodev/cryptodev_pmd.h b/lib/cryptodev/cryptodev_pmd.h
index 142bfb7..7a7d3ee 100644 (file)
--- a/lib/cryptodev/cryptodev_pmd.h
+++ b/lib/cryptodev/cryptodev_pmd.h
@@ -5,6 +5,10 @@
 #ifndef _CRYPTODEV_PMD_H_
 #define _CRYPTODEV_PMD_H_
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 /** @file
  * RTE Crypto PMD APIs
  *
@@ -15,11 +19,7 @@
 
 #include <string.h>
 
-#include <rte_config.h>
-#include <rte_dev.h>
 #include <rte_malloc.h>
-#include <rte_mbuf.h>
-#include <rte_mempool.h>
 #include <rte_log.h>
 #include <rte_common.h>
 
@@ -398,6 +398,25 @@ typedef int (*cryptodev_sym_configure_raw_dp_ctx_t)(
        enum rte_crypto_op_sess_type sess_type,
        union rte_cryptodev_session_ctx session_ctx, uint8_t is_update);
 
+/**
+ * Typedef that the driver provided to set event crypto meta data.
+ *
+ * @param      dev             Crypto device pointer.
+ * @param      sess            Crypto or security session.
+ * @param      op_type         Operation type.
+ * @param      sess_type       Session type.
+ * @param      ev_mdata        Pointer to the event crypto meta data
+ *                             (aka *union rte_event_crypto_metadata*)
+ * @return
+ *   - On success return 0.
+ *   - On failure return negative integer.
+ */
+typedef int (*cryptodev_session_event_mdata_set_t)(
+       struct rte_cryptodev *dev, void *sess,
+       enum rte_crypto_op_type op_type,
+       enum rte_crypto_op_sess_type sess_type,
+       void *ev_mdata);
+
 /** Crypto device operations function pointer table */
 struct rte_cryptodev_ops {
        cryptodev_configure_t dev_configure;    /**< Configure device. */
@@ -442,6 +461,8 @@ struct rte_cryptodev_ops {
                        /**< Initialize raw data path context data. */
                };
        };
+       cryptodev_session_event_mdata_set_t session_ev_mdata_set;
+       /**< Set a Crypto or Security session even meta data. */
 };
 
 
@@ -603,6 +624,19 @@ void
 cryptodev_fp_ops_set(struct rte_crypto_fp_ops *fp_ops,
                     const struct rte_cryptodev *dev);
 
+/**
+ * Get session event meta data (aka *union rte_event_crypto_metadata*)
+ *
+ * @param      op            pointer to *rte_crypto_op* structure.
+ *
+ * @return
+ *  - On success, pointer to event crypto metadata
+ *  - On failure, NULL.
+ */
+__rte_internal
+void *
+rte_cryptodev_session_event_mdata_get(struct rte_crypto_op *op);
+
 static inline void *
 get_sym_session_private_data(const struct rte_cryptodev_sym_session *sess,
                uint8_t driver_id) {
@@ -625,4 +659,25 @@ set_sym_session_private_data(struct rte_cryptodev_sym_session *sess,
        sess->sess_data[driver_id].data = private_data;
 }
 
+/**
+ * @internal
+ * Cryptodev asymmetric crypto session.
+ */
+RTE_STD_C11 struct rte_cryptodev_asym_session {
+       uint8_t driver_id;
+       /**< Session driver ID. */
+       uint16_t max_priv_data_sz;
+       /**< Size of private data used when creating mempool */
+       uint16_t user_data_sz;
+       /**< Session user data will be placed after sess_data */
+       uint8_t padding[3];
+       void *event_mdata;
+       /**< Event metadata (aka *union rte_event_crypto_metadata*) */
+       uint8_t sess_private_data[0];
+};
+
+#ifdef __cplusplus
+}
+#endif
+
 #endif /* _CRYPTODEV_PMD_H_ */