From patchwork Thu Mar 7 11:28:21 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Cel, TomaszX" X-Patchwork-Id: 50912 X-Patchwork-Delegate: gakhil@marvell.com Return-Path: X-Original-To: patchwork@dpdk.org Delivered-To: patchwork@dpdk.org Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 033C52C18; Thu, 7 Mar 2019 12:28:27 +0100 (CET) Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by dpdk.org (Postfix) with ESMTP id D9BB92BD5; Thu, 7 Mar 2019 12:28:24 +0100 (CET) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga103.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 07 Mar 2019 03:28:23 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.58,451,1544515200"; d="scan'208";a="152864439" Received: from tcelx-mobl1.ger.corp.intel.com (HELO localhost.localdomain) ([10.103.104.47]) by fmsmga001.fm.intel.com with ESMTP; 07 Mar 2019 03:28:22 -0800 From: Tomasz Cel To: dev@dpdk.org Cc: stable@dpdk.org, fiona.trahe@intel.com, lee.daly@intel.com Date: Thu, 7 Mar 2019 12:28:21 +0100 Message-Id: <1551958101-15679-1-git-send-email-tomaszx.cel@intel.com> X-Mailer: git-send-email 2.7.4 Subject: [dpdk-dev] [PATCH] compress/isal: fix getting information about CPU X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" This patch adds query about CPU features Fixes: 53a9baa98c36 ("compress/isal: add basic PMD ops") Cc: stable@dpdk.org Signed-off-by: Tomasz Cel Acked-by: Lee Daly --- 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; } }