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Date: Mon, 30 May 2022 12:40:25 +0100
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Subject: Re: [PATCH 2/4] app/test: support test last-idx when no DMA completed
To: Chengwen Feng <fengchengwen@huawei.com>, <dev@dpdk.org>
CC: <thomas@monjalon.net>, <bruce.richardson@intel.com>
References: <20220527034055.33271-1-fengchengwen@huawei.com>
<20220527034055.33271-3-fengchengwen@huawei.com>
From: Kevin Laatz <kevin.laatz@intel.com>
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Tested with IOAT and IDXD, both pass unit tests.
Tested-by: Kevin Laatz <kevin.laatz@intel.com>
On 27/05/2022 04:40, Chengwen Feng wrote:
> If no DMA request is completed, the ring_idx of the last completed
> operation need returned by last_idx parameter. This patch adds
> testcase for it.
>
> Signed-off-by: Chengwen Feng <fengchengwen@huawei.com>
> ---
> app/test/test_dmadev.c | 15 +++++++++++++++
> 1 file changed, 15 insertions(+)
>
> diff --git a/app/test/test_dmadev.c b/app/test/test_dmadev.c
> index 2b097e0f47..a7651a486f 100644
> --- a/app/test/test_dmadev.c
> +++ b/app/test/test_dmadev.c
> @@ -177,6 +177,7 @@ do_multi_copies(int16_t dev_id, uint16_t vchan,
> static int
> test_enqueue_copies(int16_t dev_id, uint16_t vchan)
> {
> + enum rte_dma_status_code status;
> unsigned int i;
> uint16_t id;
>
> @@ -215,6 +216,20 @@ test_enqueue_copies(int16_t dev_id, uint16_t vchan)
> ERR_RETURN("Error:incorrect job id received, %u [expected %u]\n",
> id, id_count);
>
> + /* check for completed and id when no job done */
> + if (rte_dma_completed(dev_id, vchan, 1, &id, NULL) != 0)
> + ERR_RETURN("Error with rte_dma_completed when no job done\n");
> + if (id != id_count)
> + ERR_RETURN("Error:incorrect job id received when no job done, %u [expected %u]\n",
> + id, id_count);
> +
> + /* check for completed_status and id when no job done */
> + if (rte_dma_completed_status(dev_id, vchan, 1, &id, &status) != 0)
> + ERR_RETURN("Error with rte_dma_completed_status when no job done\n");
> + if (id != id_count)
> + ERR_RETURN("Error:incorrect job id received when no job done, %u [expected %u]\n",
> + id, id_count);
> +
> rte_pktmbuf_free(src);
> rte_pktmbuf_free(dst);
>