Hi Fiona/Lee,
Could you please review this patch.
Thanks,
Akhil
On 3/7/2019 4:58 PM, Tomasz Cel wrote:
> This patch adds query about CPU features
>
> Fixes: 53a9baa98c36 ("compress/isal: add basic PMD ops")
> Cc: [email protected]
>
> Signed-off-by: Tomasz Cel <[email protected]>
> ---
> drivers/compress/isal/isal_compress_pmd_ops.c | 16 ++++++++++++----
> 1 file changed, 12 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/compress/isal/isal_compress_pmd_ops.c
> b/drivers/compress/isal/isal_compress_pmd_ops.c
> index 7b91849..fe99959 100644
> --- a/drivers/compress/isal/isal_compress_pmd_ops.c
> +++ b/drivers/compress/isal/isal_compress_pmd_ops.c
> @@ -135,10 +135,18 @@ isal_comp_pmd_info_get(struct rte_compressdev *dev
> __rte_unused,
> {
> if (dev_info != NULL) {
> dev_info->capabilities = isal_pmd_capabilities;
> - dev_info->feature_flags = RTE_COMPDEV_FF_CPU_AVX512 |
> - RTE_COMPDEV_FF_CPU_AVX2 |
> - RTE_COMPDEV_FF_CPU_AVX |
> - RTE_COMPDEV_FF_CPU_SSE;
> +
> + /* Check CPU for supported vector instruction and set
> + * feature_flags
> + */
> + if (rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX512F))
> + dev_info->feature_flags |= RTE_COMPDEV_FF_CPU_AVX512;
> + else if (rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX2))
> + dev_info->feature_flags |= RTE_COMPDEV_FF_CPU_AVX2;
> + else if (rte_cpu_get_flag_enabled(RTE_CPUFLAG_AVX))
> + dev_info->feature_flags |= RTE_COMPDEV_FF_CPU_AVX;
> + else
> + dev_info->feature_flags |= RTE_COMPDEV_FF_CPU_SSE;
> }
> }
>
