From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id 80C49A04BC; Fri, 9 Oct 2020 18:02:35 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 6945B1D6E5; Fri, 9 Oct 2020 18:02:34 +0200 (CEST) Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) by dpdk.org (Postfix) with ESMTP id 1C6901D6E4 for ; Fri, 9 Oct 2020 18:02:31 +0200 (CEST) IronPort-SDR: kCs+odQxRa6+JTLVRYik3D71BKSaa0JA1sOVkedhnMrFLTXct9p0JBJUvRbiJmgYU5UcKlXleV cAt6SUdA3OAQ== X-IronPort-AV: E=McAfee;i="6000,8403,9769"; a="250197254" X-IronPort-AV: E=Sophos;i="5.77,355,1596524400"; d="scan'208";a="250197254" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga005.jf.intel.com ([10.7.209.41]) by fmsmga105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 Oct 2020 09:02:29 -0700 IronPort-SDR: jKod50cnRcIflFf40fYr0qz61D3fzOnhdbXEd+S3jMCXpAyocqDEPyRSR42e8cwTV6hV58B+AA piVQXpNHAMAA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.77,355,1596524400"; d="scan'208";a="528981757" Received: from silpixa00399498.ir.intel.com (HELO silpixa00399498.ger.corp.intel.com) ([10.237.222.52]) by orsmga005.jf.intel.com with ESMTP; 09 Oct 2020 09:02:26 -0700 From: Anatoly Burakov To: dev@dpdk.org Cc: Liang Ma , Bruce Richardson , Konstantin Ananyev , david.hunt@intel.com, jerinjacobk@gmail.com, thomas@monjalon.net, timothy.mcdaniel@intel.com, gage.eads@intel.com, chris.macnamara@intel.com Date: Fri, 9 Oct 2020 17:02:18 +0100 Message-Id: <532f45c5d79b4c30a919553d322bb66e91534466.1602258833.git.anatoly.burakov@intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <1601647919-25312-1-git-send-email-liang.j.ma@intel.com> References: <1601647919-25312-1-git-send-email-liang.j.ma@intel.com> Subject: [dpdk-dev] [PATCH v5 01/10] 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" From: Liang Ma Add new x86 cpuid support for WAITPKG. This flag indicate processor support umwait/umonitor/tpause instruction. Signed-off-by: Liang Ma Signed-off-by: Anatoly Burakov Acked-by: Konstantin Ananyev --- lib/librte_eal/x86/include/rte_cpuflags.h | 2 ++ lib/librte_eal/x86/rte_cpuflags.c | 2 ++ 2 files changed, 4 insertions(+) diff --git a/lib/librte_eal/x86/include/rte_cpuflags.h b/lib/librte_eal/x86/include/rte_cpuflags.h index c1d20364d1..5041a830a7 100644 --- a/lib/librte_eal/x86/include/rte_cpuflags.h +++ b/lib/librte_eal/x86/include/rte_cpuflags.h @@ -132,6 +132,8 @@ enum rte_cpu_flag_t { RTE_CPUFLAG_MOVDIR64B, /**< Direct Store Instructions 64B */ RTE_CPUFLAG_AVX512VP2INTERSECT, /**< AVX512 Two Register Intersection */ + /**< UMWAIT/TPAUSE Instructions */ + RTE_CPUFLAG_WAITPKG, /**< UMINITOR/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) -- 2.17.1