rte_dmadev_core.h

Go to the documentation of this file.

/* SPDX-License-Identifier: BSD-3-Clause
 * Copyright(c) 2021 HiSilicon Limited
 * Copyright(c) 2021 Intel Corporation
 */
 
#ifndef RTE_DMADEV_CORE_H
#define RTE_DMADEV_CORE_H


typedef int (*rte_dma_copy_t)(void *dev_private, uint16_t vchan,
                  rte_iova_t src, rte_iova_t dst,
                  uint32_t length, uint64_t flags);

typedef int (*rte_dma_copy_sg_t)(void *dev_private, uint16_t vchan,
                 const struct rte_dma_sge *src,
                 const struct rte_dma_sge *dst,
                 uint16_t nb_src, uint16_t nb_dst,
                 uint64_t flags);

typedef int (*rte_dma_fill_t)(void *dev_private, uint16_t vchan,
                  uint64_t pattern, rte_iova_t dst,
                  uint32_t length, uint64_t flags);

typedef int (*rte_dma_submit_t)(void *dev_private, uint16_t vchan);

typedef uint16_t (*rte_dma_completed_t)(void *dev_private,
                uint16_t vchan, const uint16_t nb_cpls,
                uint16_t *last_idx, bool *has_error);

typedef uint16_t (*rte_dma_completed_status_t)(void *dev_private,
            uint16_t vchan, const uint16_t nb_cpls,
            uint16_t *last_idx, enum rte_dma_status_code *status);

typedef uint16_t (*rte_dma_burst_capacity_t)(const void *dev_private, uint16_t vchan);

typedef uint16_t (*rte_dma_enqueue_ops_t)(void *dev_private, uint16_t vchan,
                      struct rte_dma_op **ops, uint16_t nb_ops);

typedef uint16_t (*rte_dma_dequeue_ops_t)(void *dev_private, uint16_t vchan,
                      struct rte_dma_op **ops, uint16_t nb_ops);

struct __rte_cache_aligned rte_dma_fp_object {
    void *dev_private;
    rte_dma_copy_t             copy;
    rte_dma_copy_sg_t          copy_sg;
    rte_dma_fill_t             fill;
    rte_dma_submit_t           submit;
    rte_dma_completed_t        completed;
    rte_dma_completed_status_t completed_status;
    rte_dma_burst_capacity_t   burst_capacity;
    rte_dma_enqueue_ops_t      enqueue;
    rte_dma_dequeue_ops_t      dequeue;
};
 
extern struct rte_dma_fp_object *rte_dma_fp_objs;
 
#endif /* RTE_DMADEV_CORE_H */