0b6a7d9904
Driver id field is not set/used anywhere,
so it should be removed from rte_compressdev structure.
Fixes: ed7dd94f7f ("compressdev: add basic device management")
Signed-off-by: Pablo de Lara <pablo.de.lara.guarch@intel.com>
Acked-by: Fiona Trahe <fiona.trahe@intel.com>
115 lines
3.2 KiB
C
115 lines
3.2 KiB
C
/* SPDX-License-Identifier: BSD-3-Clause
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* Copyright(c) 2017-2018 Intel Corporation
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*/
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#ifndef _RTE_COMPRESSDEV_INTERNAL_H_
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#define _RTE_COMPRESSDEV_INTERNAL_H_
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/* rte_compressdev_internal.h
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* This file holds Compressdev private data structures.
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*/
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#include <rte_log.h>
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#include "rte_comp.h"
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#define RTE_COMPRESSDEV_NAME_MAX_LEN (64)
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/**< Max length of name of comp PMD */
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/* Logging Macros */
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extern int compressdev_logtype;
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#define COMPRESSDEV_LOG(level, fmt, args...) \
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rte_log(RTE_LOG_ ## level, compressdev_logtype, "%s(): "fmt "\n", \
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__func__, ##args)
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/**
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* Dequeue processed packets from queue pair of a device.
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*
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* @param qp
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* The queue pair from which to retrieve
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* processed operations.
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* @param ops
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* The address of an array of pointers to
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* *rte_comp_op* structures that must be
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* large enough to store *nb_ops* pointers in it
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* @param nb_ops
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* The maximum number of operations to dequeue
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* @return
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* - The number of operations actually dequeued, which is the number
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* of pointers to *rte_comp_op* structures effectively supplied to the
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* *ops* array.
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*/
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typedef uint16_t (*compressdev_dequeue_pkt_burst_t)(void *qp,
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struct rte_comp_op **ops, uint16_t nb_ops);
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/**
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* Enqueue a burst of operations for processing.
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*
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* @param qp
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* The queue pair on which operations
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* are to be enqueued for processing
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* @param ops
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* The address of an array of *nb_ops* pointers
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* to *rte_comp_op* structures which contain
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* the operations to be processed
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* @param nb_ops
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* The number of operations to process
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* @return
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* The number of operations actually enqueued on the device. The return
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* value can be less than the value of the *nb_ops* parameter when the
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* comp devices queue is full or if invalid parameters are specified in
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* a *rte_comp_op*.
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*/
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typedef uint16_t (*compressdev_enqueue_pkt_burst_t)(void *qp,
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struct rte_comp_op **ops, uint16_t nb_ops);
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/** The data structure associated with each comp device. */
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struct rte_compressdev {
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compressdev_dequeue_pkt_burst_t dequeue_burst;
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/**< Pointer to PMD receive function */
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compressdev_enqueue_pkt_burst_t enqueue_burst;
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/**< Pointer to PMD transmit function */
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struct rte_compressdev_data *data;
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/**< Pointer to device data */
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struct rte_compressdev_ops *dev_ops;
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/**< Functions exported by PMD */
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uint64_t feature_flags;
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/**< Supported features */
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struct rte_device *device;
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/**< Backing device */
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__extension__
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uint8_t attached : 1;
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/**< Flag indicating the device is attached */
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} __rte_cache_aligned;
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/**
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*
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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_compressdev_data {
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uint8_t dev_id;
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/**< Compress device identifier */
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uint8_t socket_id;
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/**< Socket identifier where memory is allocated */
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char name[RTE_COMPRESSDEV_NAME_MAX_LEN];
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/**< Unique identifier name */
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__extension__
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uint8_t dev_started : 1;
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/**< Device state: STARTED(1)/STOPPED(0) */
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void **queue_pairs;
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/**< Array of pointers to queue pairs. */
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uint16_t nb_queue_pairs;
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/**< Number of device queue pairs */
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void *dev_private;
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/**< PMD-specific private data */
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} __rte_cache_aligned;
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#endif
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