/* SPDX-License-Identifier: BSD-3-Clause
- * Copyright(c) 2015-2016 Intel Corporation.
+ * Copyright(c) 2015-2020 Intel Corporation.
*/
#ifndef _RTE_CRYPTODEV_PMD_H_
#define RTE_CRYPTODEV_PMD_DEFAULT_MAX_NB_QUEUE_PAIRS 8
-#define RTE_CRYPTODEV_PMD_DEFAULT_MAX_NB_SESSIONS 2048
#define RTE_CRYPTODEV_PMD_NAME_ARG ("name")
#define RTE_CRYPTODEV_PMD_MAX_NB_QP_ARG ("max_nb_queue_pairs")
-#define RTE_CRYPTODEV_PMD_MAX_NB_SESS_ARG ("max_nb_sessions")
#define RTE_CRYPTODEV_PMD_SOCKET_ID_ARG ("socket_id")
static const char * const cryptodev_pmd_valid_params[] = {
RTE_CRYPTODEV_PMD_NAME_ARG,
RTE_CRYPTODEV_PMD_MAX_NB_QP_ARG,
- RTE_CRYPTODEV_PMD_MAX_NB_SESS_ARG,
RTE_CRYPTODEV_PMD_SOCKET_ID_ARG
};
size_t private_data_size;
int socket_id;
unsigned int max_nb_queue_pairs;
- unsigned int max_nb_sessions;
};
/** Global structure used for maintaining state of allocated crypto devices */
struct rte_cryptodev_data *data[RTE_CRYPTO_MAX_DEVS];
/**< Device private data */
uint8_t nb_devs; /**< Number of devices found */
- uint8_t max_devs; /**< Max number of devices */
};
/* Cryptodev driver, containing the driver ID */
uint8_t id;
};
-/** pointer to global crypto devices data structure. */
-extern struct rte_cryptodev_global *rte_cryptodev_globals;
-
/**
* Get the rte_cryptodev structure device pointer for the device. Assumes a
* valid device index.
typedef void (*cryptodev_info_get_t)(struct rte_cryptodev *dev,
struct rte_cryptodev_info *dev_info);
-/**
- * Start queue pair of a device.
- *
- * @param dev Crypto device pointer
- * @param qp_id Queue Pair Index
- *
- * @return Returns 0 on success.
- */
-typedef int (*cryptodev_queue_pair_start_t)(struct rte_cryptodev *dev,
- uint16_t qp_id);
-
-/**
- * Stop queue pair of a device.
- *
- * @param dev Crypto device pointer
- * @param qp_id Queue Pair Index
- *
- * @return Returns 0 on success.
- */
-typedef int (*cryptodev_queue_pair_stop_t)(struct rte_cryptodev *dev,
- uint16_t qp_id);
-
/**
* Setup a queue pair for a device.
*
* @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, struct rte_mempool *session_pool);
+ int socket_id);
/**
* Release memory resources allocated by given queue pair.
typedef int (*cryptodev_queue_pair_release_t)(struct rte_cryptodev *dev,
uint16_t qp_id);
-/**
- * Get number of available queue pairs of a device.
- *
- * @param dev Crypto device pointer
- *
- * @return Returns number of queue pairs on success.
- */
-typedef uint32_t (*cryptodev_queue_pair_count_t)(struct rte_cryptodev *dev);
-
/**
* Create a session mempool to allocate sessions from
*
*/
typedef unsigned (*cryptodev_sym_get_session_private_size_t)(
struct rte_cryptodev *dev);
+/**
+ * Get the size of a asymmetric cryptodev session
+ *
+ * @param dev Crypto device pointer
+ *
+ * @return
+ * - On success returns the size of the session structure for device
+ * - On failure returns 0
+ */
+typedef unsigned int (*cryptodev_asym_get_session_private_size_t)(
+ struct rte_cryptodev *dev);
/**
* Configure a Crypto session on a device.
struct rte_crypto_sym_xform *xform,
struct rte_cryptodev_sym_session *session,
struct rte_mempool *mp);
-
+/**
+ * Configure a Crypto asymmetric 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 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 int (*cryptodev_asym_configure_session_t)(struct rte_cryptodev *dev,
+ struct rte_crypto_asym_xform *xform,
+ struct rte_cryptodev_asym_session *session,
+ struct rte_mempool *mp);
/**
* Free driver private session data.
*
*/
typedef void (*cryptodev_sym_free_session_t)(struct rte_cryptodev *dev,
struct rte_cryptodev_sym_session *sess);
-
/**
- * Optional API for drivers to attach sessions with queue pair.
+ * Free asymmetric session private data.
+ *
* @param dev Crypto device pointer
- * @param qp_id queue pair id for attaching session
- * @param priv_sess Pointer to cryptodev's private session structure
- * @return
- * - Return 0 on success
+ * @param sess Cryptodev session structure
*/
-typedef int (*cryptodev_sym_queue_pair_attach_session_t)(
- struct rte_cryptodev *dev,
- uint16_t qp_id,
- void *session_private);
-
+typedef void (*cryptodev_asym_free_session_t)(struct rte_cryptodev *dev,
+ struct rte_cryptodev_asym_session *sess);
/**
- * Optional API for drivers to detach sessions from queue pair.
- * @param dev Crypto device pointer
- * @param qp_id queue pair id for detaching session
- * @param priv_sess Pointer to cryptodev's private session structure
+ * Perform actual crypto processing (encrypt/digest or auth/decrypt)
+ * on user provided data.
+ *
+ * @param dev Crypto device pointer
+ * @param sess Cryptodev session structure
+ * @param ofs Start and stop offsets for auth and cipher operations
+ * @param vec Vectorized operation descriptor
+ *
* @return
- * - Return 0 on success
+ * - Returns number of successfully processed packets.
+ *
*/
-typedef int (*cryptodev_sym_queue_pair_detach_session_t)(
- struct rte_cryptodev *dev,
- uint16_t qp_id,
- void *session_private);
+typedef uint32_t (*cryptodev_sym_cpu_crypto_process_t)
+ (struct rte_cryptodev *dev, struct rte_cryptodev_sym_session *sess,
+ union rte_crypto_sym_ofs ofs, struct rte_crypto_sym_vec *vec);
+
/** Crypto device operations function pointer table */
struct rte_cryptodev_ops {
/**< Set up a device queue pair. */
cryptodev_queue_pair_release_t queue_pair_release;
/**< Release a queue pair. */
- cryptodev_queue_pair_start_t queue_pair_start;
- /**< Start a queue pair. */
- cryptodev_queue_pair_stop_t queue_pair_stop;
- /**< Stop a queue pair. */
- cryptodev_queue_pair_count_t queue_pair_count;
- /**< Get count of the queue pairs. */
-
- cryptodev_sym_get_session_private_size_t session_get_size;
+
+ cryptodev_sym_get_session_private_size_t sym_session_get_size;
/**< Return private session. */
- cryptodev_sym_configure_session_t session_configure;
+ cryptodev_asym_get_session_private_size_t asym_session_get_size;
+ /**< Return asym session private size. */
+ cryptodev_sym_configure_session_t sym_session_configure;
/**< Configure a Crypto session. */
- cryptodev_sym_free_session_t session_clear;
+ cryptodev_asym_configure_session_t asym_session_configure;
+ /**< Configure asymmetric Crypto session. */
+ cryptodev_sym_free_session_t sym_session_clear;
/**< Clear a Crypto sessions private data. */
- cryptodev_sym_queue_pair_attach_session_t qp_attach_session;
- /**< Attach session to queue pair. */
- cryptodev_sym_queue_pair_detach_session_t qp_detach_session;
- /**< Detach session from queue pair. */
+ cryptodev_asym_free_session_t asym_session_clear;
+ /**< Clear a Crypto sessions private data. */
+ cryptodev_sym_cpu_crypto_process_t sym_cpu_process;
+ /**< process input data synchronously (cpu-crypto). */
};
#define RTE_PMD_REGISTER_CRYPTO_DRIVER(crypto_drv, drv, driver_id)\
-RTE_INIT(init_ ##driver_id);\
-static void init_ ##driver_id(void)\
+RTE_INIT(init_ ##driver_id)\
{\
driver_id = rte_cryptodev_allocate_driver(&crypto_drv, &(drv));\
}
static inline void *
-get_session_private_data(const struct rte_cryptodev_sym_session *sess,
+get_sym_session_private_data(const struct rte_cryptodev_sym_session *sess,
+ uint8_t driver_id) {
+ if (unlikely(sess->nb_drivers <= driver_id))
+ return NULL;
+
+ return sess->sess_data[driver_id].data;
+}
+
+static inline void
+set_sym_session_private_data(struct rte_cryptodev_sym_session *sess,
+ uint8_t driver_id, void *private_data)
+{
+ if (unlikely(sess->nb_drivers <= driver_id)) {
+ CDEV_LOG_ERR("Set private data for driver %u not allowed\n",
+ driver_id);
+ return;
+ }
+
+ sess->sess_data[driver_id].data = private_data;
+}
+
+static inline void *
+get_asym_session_private_data(const struct rte_cryptodev_asym_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,
+set_asym_session_private_data(struct rte_cryptodev_asym_session *sess,
uint8_t driver_id, void *private_data)
{
sess->sess_private_data[driver_id] = private_data;
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