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* [dpdk-stable] [PATCH] compress/isal: fix getting information about CPU
@ 2019-03-07 11:07 Tomasz Cel
  2019-03-28 12:24 ` Trahe, Fiona
  0 siblings, 1 reply; 3+ messages in thread
From: Tomasz Cel @ 2019-03-07 11:07 UTC (permalink / raw)
  To: stable, fiona.trahe, lee.daly

This patch adds query about CPU features

Fixes: 53a9baa98c36 ("compress/isal: add basic PMD ops")

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

^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [dpdk-stable] [PATCH] compress/isal: fix getting information about CPU
  2019-03-07 11:07 [dpdk-stable] [PATCH] compress/isal: fix getting information about CPU Tomasz Cel
@ 2019-03-28 12:24 ` Trahe, Fiona
  0 siblings, 0 replies; 3+ messages in thread
From: Trahe, Fiona @ 2019-03-28 12:24 UTC (permalink / raw)
  To: Cel, TomaszX, stable, Daly, Lee; +Cc: Trahe, Fiona



> -----Original Message-----
> From: Cel, TomaszX
> Sent: Thursday, March 7, 2019 11:07 AM
> To: stable@dpdk.org; Trahe, Fiona <fiona.trahe@intel.com>; Daly, Lee <lee.daly@intel.com>
> Subject: [PATCH] compress/isal: fix getting information about CPU
> 
> This patch adds query about CPU features
> 
> Fixes: 53a9baa98c36 ("compress/isal: add basic PMD ops")
> 
> Signed-off-by: Tomasz Cel <tomaszx.cel@intel.com>
Acked-by: Fiona Trahe <fiona.trahe@intel.com>

^ permalink raw reply	[flat|nested] 3+ messages in thread

* [dpdk-stable] [PATCH] compress/isal: fix getting information about CPU
@ 2019-03-07 11:28 Tomasz Cel
  0 siblings, 0 replies; 3+ messages in thread
From: Tomasz Cel @ 2019-03-07 11:28 UTC (permalink / raw)
  To: dev; +Cc: stable, fiona.trahe, lee.daly

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

^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2019-03-28 12:24 UTC | newest]

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2019-03-07 11:07 [dpdk-stable] [PATCH] compress/isal: fix getting information about CPU Tomasz Cel
2019-03-28 12:24 ` Trahe, Fiona
2019-03-07 11:28 Tomasz Cel

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