From: Tomasz Cel <tomaszx.cel@intel.com>
To: dev@dpdk.org
Cc: stable@dpdk.org, fiona.trahe@intel.com, lee.daly@intel.com
Subject: [dpdk-dev] [PATCH] compress/isal: fix getting information about CPU
Date: Thu, 7 Mar 2019 12:28:21 +0100 [thread overview]
Message-ID: <1551958101-15679-1-git-send-email-tomaszx.cel@intel.com> (raw)
This patch adds query about CPU features
Fixes: 53a9baa98c36 ("compress/isal: add basic PMD ops")
Cc: stable@dpdk.org
Signed-off-by: Tomasz Cel <tomaszx.cel@intel.com>
---
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;
}
}
--
2.7.4
next reply other threads:[~2019-03-07 11:28 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-03-07 11:28 Tomasz Cel [this message]
2019-03-27 14:05 ` Akhil Goyal
2019-03-27 14:05 ` Akhil Goyal
2019-03-27 15:01 ` Daly, Lee
2019-03-27 15:01 ` Daly, Lee
2019-03-29 15:28 ` Daly, Lee
2019-03-29 15:28 ` Daly, Lee
2019-03-29 15:37 ` Akhil Goyal
2019-03-29 15:37 ` Akhil Goyal
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