92cb130919
The device specific structures - rte_cryptodev and rte_cryptodev_data are moved to cryptodev_pmd.h to hide it from the applications. Signed-off-by: Akhil Goyal <gakhil@marvell.com> Tested-by: Rebecca Troy <rebecca.troy@intel.com> Acked-by: Fan Zhang <roy.fan.zhang@intel.com> Acked-by: Konstantin Ananyev <konstantin.ananyev@intel.com>
644 lines
18 KiB
C
644 lines
18 KiB
C
/* SPDX-License-Identifier: BSD-3-Clause
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* Copyright(c) 2015-2020 Intel Corporation.
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*/
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#ifndef _CRYPTODEV_PMD_H_
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#define _CRYPTODEV_PMD_H_
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/** @file
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* RTE Crypto PMD APIs
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*
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* @note
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* These API are from crypto PMD only and user applications should not call
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* them directly.
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*/
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#include <string.h>
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#include <rte_config.h>
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#include <rte_dev.h>
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#include <rte_malloc.h>
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#include <rte_mbuf.h>
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#include <rte_mempool.h>
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#include <rte_log.h>
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#include <rte_common.h>
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#include "rte_crypto.h"
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#include "rte_cryptodev.h"
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#define RTE_CRYPTODEV_PMD_DEFAULT_MAX_NB_QUEUE_PAIRS 8
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#define RTE_CRYPTODEV_PMD_NAME_ARG ("name")
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#define RTE_CRYPTODEV_PMD_MAX_NB_QP_ARG ("max_nb_queue_pairs")
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#define RTE_CRYPTODEV_PMD_SOCKET_ID_ARG ("socket_id")
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static const char * const cryptodev_pmd_valid_params[] = {
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RTE_CRYPTODEV_PMD_NAME_ARG,
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RTE_CRYPTODEV_PMD_MAX_NB_QP_ARG,
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RTE_CRYPTODEV_PMD_SOCKET_ID_ARG,
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NULL
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};
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/**
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* @internal
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* Initialisation parameters for crypto devices
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*/
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struct rte_cryptodev_pmd_init_params {
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char name[RTE_CRYPTODEV_NAME_MAX_LEN];
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size_t private_data_size;
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int socket_id;
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unsigned int max_nb_queue_pairs;
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};
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/**
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* @internal
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* The data part, with no function pointers, associated with each device.
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*
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* This structure is safe to place in shared memory to be common among
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* different processes in a multi-process configuration.
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*/
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struct rte_cryptodev_data {
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/** Device ID for this instance */
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uint8_t dev_id;
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/** Socket ID where memory is allocated */
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uint8_t socket_id;
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/** Unique identifier name */
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char name[RTE_CRYPTODEV_NAME_MAX_LEN];
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__extension__
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/** Device state: STARTED(1)/STOPPED(0) */
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uint8_t dev_started : 1;
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/** Session memory pool */
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struct rte_mempool *session_pool;
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/** Array of pointers to queue pairs. */
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void **queue_pairs;
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/** Number of device queue pairs. */
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uint16_t nb_queue_pairs;
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/** PMD-specific private data */
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void *dev_private;
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} __rte_cache_aligned;
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/** @internal The data structure associated with each crypto device. */
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struct rte_cryptodev {
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/** Pointer to PMD dequeue function. */
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dequeue_pkt_burst_t dequeue_burst;
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/** Pointer to PMD enqueue function. */
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enqueue_pkt_burst_t enqueue_burst;
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/** Pointer to device data */
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struct rte_cryptodev_data *data;
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/** Functions exported by PMD */
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struct rte_cryptodev_ops *dev_ops;
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/** Feature flags exposes HW/SW features for the given device */
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uint64_t feature_flags;
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/** Backing device */
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struct rte_device *device;
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/** Crypto driver identifier*/
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uint8_t driver_id;
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/** User application callback for interrupts if present */
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struct rte_cryptodev_cb_list link_intr_cbs;
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/** Context for security ops */
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void *security_ctx;
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__extension__
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/** Flag indicating the device is attached */
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uint8_t attached : 1;
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/** User application callback for pre enqueue processing */
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struct rte_cryptodev_cb_rcu *enq_cbs;
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/** User application callback for post dequeue processing */
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struct rte_cryptodev_cb_rcu *deq_cbs;
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} __rte_cache_aligned;
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/** Global structure used for maintaining state of allocated crypto devices */
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struct rte_cryptodev_global {
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struct rte_cryptodev *devs; /**< Device information array */
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struct rte_cryptodev_data *data[RTE_CRYPTO_MAX_DEVS];
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/**< Device private data */
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uint8_t nb_devs; /**< Number of devices found */
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};
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/* Cryptodev driver, containing the driver ID */
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struct cryptodev_driver {
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RTE_TAILQ_ENTRY(cryptodev_driver) next; /**< Next in list. */
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const struct rte_driver *driver;
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uint8_t id;
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};
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/**
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* Get the rte_cryptodev structure device pointer for the device. Assumes a
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* valid device index.
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*
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* @param dev_id Device ID value to select the device structure.
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*
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* @return
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* - The rte_cryptodev structure pointer for the given device ID.
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*/
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__rte_internal
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struct rte_cryptodev *
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rte_cryptodev_pmd_get_dev(uint8_t dev_id);
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/**
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* Get the rte_cryptodev structure device pointer for the named device.
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*
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* @param name device name to select the device structure.
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*
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* @return
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* - The rte_cryptodev structure pointer for the given device ID.
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*/
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__rte_internal
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struct rte_cryptodev *
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rte_cryptodev_pmd_get_named_dev(const char *name);
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/**
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* Definitions of all functions exported by a driver through the
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* the generic structure of type *crypto_dev_ops* supplied in the
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* *rte_cryptodev* structure associated with a device.
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*/
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/**
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* Function used to configure device.
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*
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* @param dev Crypto device pointer
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* @param config Crypto device configurations
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*
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* @return Returns 0 on success
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*/
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typedef int (*cryptodev_configure_t)(struct rte_cryptodev *dev,
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struct rte_cryptodev_config *config);
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/**
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* Function used to start a configured device.
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*
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* @param dev Crypto device pointer
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*
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* @return Returns 0 on success
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*/
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typedef int (*cryptodev_start_t)(struct rte_cryptodev *dev);
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/**
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* Function used to stop a configured device.
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*
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* @param dev Crypto device pointer
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*/
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typedef void (*cryptodev_stop_t)(struct rte_cryptodev *dev);
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/**
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* Function used to close a configured device.
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*
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* @param dev Crypto device pointer
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* @return
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* - 0 on success.
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* - EAGAIN if can't close as device is busy
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*/
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typedef int (*cryptodev_close_t)(struct rte_cryptodev *dev);
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/**
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* Function used to get statistics of a device.
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*
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* @param dev Crypto device pointer
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* @param stats Pointer to crypto device stats structure to populate
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*/
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typedef void (*cryptodev_stats_get_t)(struct rte_cryptodev *dev,
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struct rte_cryptodev_stats *stats);
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/**
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* Function used to reset statistics of a device.
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*
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* @param dev Crypto device pointer
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*/
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typedef void (*cryptodev_stats_reset_t)(struct rte_cryptodev *dev);
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/**
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* Function used to get specific information of a device.
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*
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* @param dev Crypto device pointer
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* @param dev_info Pointer to infos structure to populate
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*/
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typedef void (*cryptodev_info_get_t)(struct rte_cryptodev *dev,
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struct rte_cryptodev_info *dev_info);
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/**
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* Setup a queue pair for a device.
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*
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* @param dev Crypto device pointer
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* @param qp_id Queue Pair Index
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* @param qp_conf Queue configuration structure
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* @param socket_id Socket Index
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*
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* @return Returns 0 on success.
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*/
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typedef int (*cryptodev_queue_pair_setup_t)(struct rte_cryptodev *dev,
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uint16_t qp_id, const struct rte_cryptodev_qp_conf *qp_conf,
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int socket_id);
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/**
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* Release memory resources allocated by given queue pair.
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*
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* @param dev Crypto device pointer
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* @param qp_id Queue Pair Index
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*
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* @return
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* - 0 on success.
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* - EAGAIN if can't close as device is busy
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*/
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typedef int (*cryptodev_queue_pair_release_t)(struct rte_cryptodev *dev,
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uint16_t qp_id);
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/**
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* Create a session mempool to allocate sessions from
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*
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* @param dev Crypto device pointer
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* @param nb_objs number of sessions objects in mempool
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* @param obj_cache_size l-core object cache size, see *rte_ring_create*
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* @param socket_id Socket Id to allocate mempool on.
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*
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* @return
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* - On success returns a pointer to a rte_mempool
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* - On failure returns a NULL pointer
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*/
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typedef int (*cryptodev_sym_create_session_pool_t)(
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struct rte_cryptodev *dev, unsigned nb_objs,
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unsigned obj_cache_size, int socket_id);
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/**
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* Get the size of a cryptodev session
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*
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* @param dev Crypto device pointer
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*
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* @return
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* - On success returns the size of the session structure for device
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* - On failure returns 0
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*/
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typedef unsigned (*cryptodev_sym_get_session_private_size_t)(
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struct rte_cryptodev *dev);
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/**
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* Get the size of a asymmetric cryptodev session
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*
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* @param dev Crypto device pointer
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*
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* @return
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* - On success returns the size of the session structure for device
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* - On failure returns 0
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*/
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typedef unsigned int (*cryptodev_asym_get_session_private_size_t)(
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struct rte_cryptodev *dev);
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/**
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* Configure a Crypto session on a device.
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*
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* @param dev Crypto device pointer
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* @param xform Single or chain of crypto xforms
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* @param session Pointer to cryptodev's private session structure
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* @param mp Mempool where the private session is allocated
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*
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* @return
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* - Returns 0 if private session structure have been created successfully.
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* - Returns -EINVAL if input parameters are invalid.
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* - Returns -ENOTSUP if crypto device does not support the crypto transform.
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* - Returns -ENOMEM if the private session could not be allocated.
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*/
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typedef int (*cryptodev_sym_configure_session_t)(struct rte_cryptodev *dev,
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struct rte_crypto_sym_xform *xform,
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struct rte_cryptodev_sym_session *session,
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struct rte_mempool *mp);
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/**
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* Configure a Crypto asymmetric session on a device.
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*
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* @param dev Crypto device pointer
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* @param xform Single or chain of crypto xforms
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* @param session Pointer to cryptodev's private session structure
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* @param mp Mempool where the private session is allocated
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*
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* @return
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* - Returns 0 if private session structure have been created successfully.
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* - Returns -EINVAL if input parameters are invalid.
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* - Returns -ENOTSUP if crypto device does not support the crypto transform.
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* - Returns -ENOMEM if the private session could not be allocated.
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*/
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typedef int (*cryptodev_asym_configure_session_t)(struct rte_cryptodev *dev,
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struct rte_crypto_asym_xform *xform,
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struct rte_cryptodev_asym_session *session,
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struct rte_mempool *mp);
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/**
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* Free driver private session data.
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*
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* @param dev Crypto device pointer
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* @param sess Cryptodev session structure
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*/
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typedef void (*cryptodev_sym_free_session_t)(struct rte_cryptodev *dev,
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struct rte_cryptodev_sym_session *sess);
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/**
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* Free asymmetric session private data.
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*
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* @param dev Crypto device pointer
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* @param sess Cryptodev session structure
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*/
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typedef void (*cryptodev_asym_free_session_t)(struct rte_cryptodev *dev,
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struct rte_cryptodev_asym_session *sess);
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/**
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* Perform actual crypto processing (encrypt/digest or auth/decrypt)
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* on user provided data.
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*
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* @param dev Crypto device pointer
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* @param sess Cryptodev session structure
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* @param ofs Start and stop offsets for auth and cipher operations
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* @param vec Vectorized operation descriptor
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*
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* @return
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* - Returns number of successfully processed packets.
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*
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*/
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typedef uint32_t (*cryptodev_sym_cpu_crypto_process_t)
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(struct rte_cryptodev *dev, struct rte_cryptodev_sym_session *sess,
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union rte_crypto_sym_ofs ofs, struct rte_crypto_sym_vec *vec);
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/**
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* Typedef that the driver provided to get service context private date size.
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*
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* @param dev Crypto device pointer.
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*
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* @return
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* - On success return the size of the device's service context private data.
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* - On failure return negative integer.
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*/
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typedef int (*cryptodev_sym_get_raw_dp_ctx_size_t)(struct rte_cryptodev *dev);
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/**
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* Typedef that the driver provided to configure raw data-path context.
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*
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* @param dev Crypto device pointer.
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* @param qp_id Crypto device queue pair index.
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* @param ctx The raw data-path context data.
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* @param sess_type session type.
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* @param session_ctx Session context data. If NULL the driver
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* shall only configure the drv_ctx_data in
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* ctx buffer. Otherwise the driver shall only
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* parse the session_ctx to set appropriate
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* function pointers in ctx.
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* @param is_update Set 0 if it is to initialize the ctx.
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* Set 1 if ctx is initialized and only to update
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* session context data.
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* @return
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* - On success return 0.
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* - On failure return negative integer.
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*/
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typedef int (*cryptodev_sym_configure_raw_dp_ctx_t)(
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struct rte_cryptodev *dev, uint16_t qp_id,
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struct rte_crypto_raw_dp_ctx *ctx,
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enum rte_crypto_op_sess_type sess_type,
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union rte_cryptodev_session_ctx session_ctx, uint8_t is_update);
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/** Crypto device operations function pointer table */
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struct rte_cryptodev_ops {
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cryptodev_configure_t dev_configure; /**< Configure device. */
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cryptodev_start_t dev_start; /**< Start device. */
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cryptodev_stop_t dev_stop; /**< Stop device. */
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cryptodev_close_t dev_close; /**< Close device. */
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cryptodev_info_get_t dev_infos_get; /**< Get device info. */
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cryptodev_stats_get_t stats_get;
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/**< Get device statistics. */
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cryptodev_stats_reset_t stats_reset;
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/**< Reset device statistics. */
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cryptodev_queue_pair_setup_t queue_pair_setup;
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/**< Set up a device queue pair. */
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cryptodev_queue_pair_release_t queue_pair_release;
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/**< Release a queue pair. */
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cryptodev_sym_get_session_private_size_t sym_session_get_size;
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/**< Return private session. */
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cryptodev_asym_get_session_private_size_t asym_session_get_size;
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/**< Return asym session private size. */
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cryptodev_sym_configure_session_t sym_session_configure;
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/**< Configure a Crypto session. */
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cryptodev_asym_configure_session_t asym_session_configure;
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/**< Configure asymmetric Crypto session. */
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cryptodev_sym_free_session_t sym_session_clear;
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/**< Clear a Crypto sessions private data. */
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cryptodev_asym_free_session_t asym_session_clear;
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/**< Clear a Crypto sessions private data. */
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union {
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cryptodev_sym_cpu_crypto_process_t sym_cpu_process;
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/**< process input data synchronously (cpu-crypto). */
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__extension__
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struct {
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cryptodev_sym_get_raw_dp_ctx_size_t
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sym_get_raw_dp_ctx_size;
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/**< Get raw data path service context data size. */
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cryptodev_sym_configure_raw_dp_ctx_t
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sym_configure_raw_dp_ctx;
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/**< Initialize raw data path context data. */
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};
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};
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};
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/**
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* Function for internal use by dummy drivers primarily, e.g. ring-based
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* driver.
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* Allocates a new cryptodev slot for an crypto device and returns the pointer
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* to that slot for the driver to use.
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*
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* @param name Unique identifier name for each device
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* @param socket_id Socket to allocate resources on.
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* @return
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* - Slot in the rte_dev_devices array for a new device;
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*/
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__rte_internal
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struct rte_cryptodev *
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rte_cryptodev_pmd_allocate(const char *name, int socket_id);
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/**
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* Function for internal use by dummy drivers primarily, e.g. ring-based
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* driver.
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* Release the specified cryptodev device.
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*
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* @param cryptodev
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* The *cryptodev* pointer is the address of the *rte_cryptodev* structure.
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* @return
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* - 0 on success, negative on error
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*/
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__rte_internal
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extern int
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rte_cryptodev_pmd_release_device(struct rte_cryptodev *cryptodev);
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/**
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* @internal
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*
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* PMD assist function to parse initialisation arguments for crypto driver
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* when creating a new crypto PMD device instance.
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*
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* PMD driver should set default values for that PMD before calling function,
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* these default values will be over-written with successfully parsed values
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* from args string.
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*
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* @param params parsed PMD initialisation parameters
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* @param args input argument string to parse
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*
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* @return
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* - 0 on success
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* - errno on failure
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*/
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__rte_internal
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int
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rte_cryptodev_pmd_parse_input_args(
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struct rte_cryptodev_pmd_init_params *params,
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const char *args);
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/**
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* @internal
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*
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* PMD assist function to provide boiler plate code for crypto driver to create
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* and allocate resources for a new crypto PMD device instance.
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*
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|
* @param name crypto device name.
|
|
* @param device base device instance
|
|
* @param params PMD initialisation parameters
|
|
*
|
|
* @return
|
|
* - crypto device instance on success
|
|
* - NULL on creation failure
|
|
*/
|
|
__rte_internal
|
|
struct rte_cryptodev *
|
|
rte_cryptodev_pmd_create(const char *name,
|
|
struct rte_device *device,
|
|
struct rte_cryptodev_pmd_init_params *params);
|
|
|
|
/**
|
|
* @internal
|
|
*
|
|
* PMD assist function to provide boiler plate code for crypto driver to
|
|
* destroy and free resources associated with a crypto PMD device instance.
|
|
*
|
|
* @param cryptodev crypto device handle.
|
|
*
|
|
* @return
|
|
* - 0 on success
|
|
* - errno on failure
|
|
*/
|
|
__rte_internal
|
|
int
|
|
rte_cryptodev_pmd_destroy(struct rte_cryptodev *cryptodev);
|
|
|
|
/**
|
|
* Executes all the user application registered callbacks for the specific
|
|
* device.
|
|
* *
|
|
* @param dev Pointer to cryptodev struct
|
|
* @param event Crypto device interrupt event type.
|
|
*
|
|
* @return
|
|
* void
|
|
*/
|
|
__rte_internal
|
|
void rte_cryptodev_pmd_callback_process(struct rte_cryptodev *dev,
|
|
enum rte_cryptodev_event_type event);
|
|
|
|
/**
|
|
* @internal
|
|
* Create unique device name
|
|
*/
|
|
__rte_internal
|
|
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
|
|
*/
|
|
__rte_internal
|
|
uint8_t rte_cryptodev_allocate_driver(struct cryptodev_driver *crypto_drv,
|
|
const struct rte_driver *drv);
|
|
|
|
/**
|
|
* @internal
|
|
* This is the last step of device probing. It must be called after a
|
|
* cryptodev is allocated and initialized successfully.
|
|
*
|
|
* @param dev Pointer to cryptodev struct
|
|
*
|
|
* @return
|
|
* void
|
|
*/
|
|
__rte_internal
|
|
void
|
|
rte_cryptodev_pmd_probing_finish(struct rte_cryptodev *dev);
|
|
|
|
#define RTE_PMD_REGISTER_CRYPTO_DRIVER(crypto_drv, drv, driver_id)\
|
|
RTE_INIT(init_ ##driver_id)\
|
|
{\
|
|
driver_id = rte_cryptodev_allocate_driver(&crypto_drv, &(drv));\
|
|
}
|
|
|
|
/* Reset crypto device fastpath APIs to dummy values. */
|
|
__rte_internal
|
|
void
|
|
cryptodev_fp_ops_reset(struct rte_crypto_fp_ops *fp_ops);
|
|
|
|
/* Setup crypto device fastpath APIs. */
|
|
__rte_internal
|
|
void
|
|
cryptodev_fp_ops_set(struct rte_crypto_fp_ops *fp_ops,
|
|
const struct rte_cryptodev *dev);
|
|
|
|
static inline void *
|
|
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_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;
|
|
}
|
|
|
|
#endif /* _CRYPTODEV_PMD_H_ */
|