From patchwork Tue Oct 27 14:59:01 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Liang, Ma" X-Patchwork-Id: 82333 X-Patchwork-Delegate: thomas@monjalon.net Return-Path: X-Original-To: patchwork@inbox.dpdk.org Delivered-To: patchwork@inbox.dpdk.org Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id 989D7A04B5; Tue, 27 Oct 2020 15:59:36 +0100 (CET) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 902F858CD; Tue, 27 Oct 2020 15:59:29 +0100 (CET) Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by dpdk.org (Postfix) with ESMTP id 89B194C6C for ; Tue, 27 Oct 2020 15:59:28 +0100 (CET) IronPort-SDR: LrwvJLCeLUAHh6cazQPw/Dlsb0eALTd2muwH5Y3df0HuFsMmkLNdq6mtePmM2colJ3Uz2+s+Oc 3JHBhtLwkI6A== X-IronPort-AV: E=McAfee;i="6000,8403,9786"; a="167314023" X-IronPort-AV: E=Sophos;i="5.77,424,1596524400"; d="scan'208";a="167314023" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga007.fm.intel.com ([10.253.24.52]) by fmsmga103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Oct 2020 07:59:26 -0700 IronPort-SDR: qWZNHLYxr2o9lsSV7lZck0TUVJTsu5laT0TjKbXyV/Z2qubiMy8QqpJ4Er27qE90znODX1FELc fS3c9UxaoOiQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.77,424,1596524400"; d="scan'208";a="303902984" Received: from irvmail001.ir.intel.com ([163.33.26.43]) by fmsmga007.fm.intel.com with ESMTP; 27 Oct 2020 07:59:23 -0700 Received: from sivswdev09.ir.intel.com (sivswdev09.ir.intel.com [10.237.217.48]) by irvmail001.ir.intel.com (8.14.3/8.13.6/MailSET/Hub) with ESMTP id 09RExMaw015662; Tue, 27 Oct 2020 14:59:22 GMT Received: from sivswdev09.ir.intel.com (localhost [127.0.0.1]) by sivswdev09.ir.intel.com with ESMTP id 09RExMCM022511; Tue, 27 Oct 2020 14:59:22 GMT Received: (from lma25@localhost) by sivswdev09.ir.intel.com with LOCAL id 09RExLfm022507; Tue, 27 Oct 2020 14:59:21 GMT From: Liang Ma To: dev@dpdk.org Cc: ruifeng.wang@arm.com, haiyue.wang@intel.com, bruce.richardson@intel.com, konstantin.ananyev@intel.com, david.hunt@intel.com, jerinjacobk@gmail.com, nhorman@tuxdriver.com, thomas@monjalon.net, timothy.mcdaniel@intel.com, gage.eads@intel.com, mw@semihalf.com, gtzalik@amazon.com, ajit.khaparde@broadcom.com, hkalra@marvell.com, johndale@cisco.com, xavier.huwei@huawei.com, xuanziyang2@huawei.com, matan@nvidia.com, yongwang@vmware.com, Anatoly Burakov Date: Tue, 27 Oct 2020 14:59:01 +0000 Message-Id: <1603810749-22285-2-git-send-email-liang.j.ma@intel.com> X-Mailer: git-send-email 1.7.7.4 In-Reply-To: <1603810749-22285-1-git-send-email-liang.j.ma@intel.com> References: <1603810749-22285-1-git-send-email-liang.j.ma@intel.com> In-Reply-To: <1603494392-7181-1-git-send-email-liang.j.ma@intel.com> References: <1603494392-7181-1-git-send-email-liang.j.ma@intel.com> Subject: [dpdk-dev] [PATCH v10 1/9] eal: add new x86 cpuid support for WAITPKG 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" Add a new CPUID flag indicating processor support for UMONITOR/UMWAIT and TPAUSE instructions instruction. Signed-off-by: Liang Ma Signed-off-by: Anatoly Burakov Acked-by: Konstantin Ananyev --- lib/librte_eal/x86/include/rte_cpuflags.h | 1 + lib/librte_eal/x86/rte_cpuflags.c | 2 ++ 2 files changed, 3 insertions(+) diff --git a/lib/librte_eal/x86/include/rte_cpuflags.h b/lib/librte_eal/x86/include/rte_cpuflags.h index c1d20364d1..848ba9cbfb 100644 --- a/lib/librte_eal/x86/include/rte_cpuflags.h +++ b/lib/librte_eal/x86/include/rte_cpuflags.h @@ -132,6 +132,7 @@ enum rte_cpu_flag_t { RTE_CPUFLAG_MOVDIR64B, /**< Direct Store Instructions 64B */ RTE_CPUFLAG_AVX512VP2INTERSECT, /**< AVX512 Two Register Intersection */ + RTE_CPUFLAG_WAITPKG, /**< UMONITOR/UMWAIT/TPAUSE */ /* The last item */ RTE_CPUFLAG_NUMFLAGS, /**< This should always be the last! */ }; diff --git a/lib/librte_eal/x86/rte_cpuflags.c b/lib/librte_eal/x86/rte_cpuflags.c index 30439e7951..0325c4b93b 100644 --- a/lib/librte_eal/x86/rte_cpuflags.c +++ b/lib/librte_eal/x86/rte_cpuflags.c @@ -110,6 +110,8 @@ const struct feature_entry rte_cpu_feature_table[] = { FEAT_DEF(AVX512F, 0x00000007, 0, RTE_REG_EBX, 16) FEAT_DEF(RDSEED, 0x00000007, 0, RTE_REG_EBX, 18) + FEAT_DEF(WAITPKG, 0x00000007, 0, RTE_REG_ECX, 5) + FEAT_DEF(LAHF_SAHF, 0x80000001, 0, RTE_REG_ECX, 0) FEAT_DEF(LZCNT, 0x80000001, 0, RTE_REG_ECX, 4)