On Mon, Sep 18, 2023 at 06:02:26PM +0530, Amit Prakash Shukla wrote:
> For the event based DMA transfer, all the required parameters are to
> be sent as part of a structure. This patch adds a structure
> containing the parameters for event based DMA operation.
>
> Signed-off-by: Amit Prakash Shukla <amitpraka...@marvell.com>
> ---
> lib/dmadev/rte_dmadev.h | 12 ++++++++++++
> 1 file changed, 12 insertions(+)
>
> diff --git a/lib/dmadev/rte_dmadev.h b/lib/dmadev/rte_dmadev.h
> index b157ab7600..bf8db2d28d 100644
> --- a/lib/dmadev/rte_dmadev.h
> +++ b/lib/dmadev/rte_dmadev.h
> @@ -794,6 +794,18 @@ struct rte_dma_sge {
> uint32_t length; /**< The DMA operation length. */
> };
>
> +/**
> + * A structure used to hold event based DMA operation request entry.
> + */
> +struct rte_dma_op {
Would it be better called rte_dma_event_op, if it's just for use with
eventdev?
> + struct rte_dma_sge *src_seg; /**< Source segments. */
> + struct rte_dma_sge *dst_seg; /**< Destination segments. */
> + uint16_t nb_src; /**< Number of source segments. */
> + uint16_t nb_dst; /**< Number of destination segments.
> */
> + uint64_t flags; /**< Flags related to the operation.
> */
> + struct rte_mempool *op_mp; /**< Mempool from which op is
> allocated. */
> +};
> +
> #include "rte_dmadev_core.h"
>
> /**@{@name DMA operation flag
> --
> 2.25.1
>
