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 AA2F9A04DD; Fri, 23 Oct 2020 19:17:22 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 363D75AA4; Fri, 23 Oct 2020 19:17:21 +0200 (CEST) Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by dpdk.org (Postfix) with ESMTP id 6DD2C595C for ; Fri, 23 Oct 2020 19:17:19 +0200 (CEST) IronPort-SDR: 0DV1WSjqFy330Vr8wyfSHNX6vRxBe++UbGAv6jXNEr26rIDZtJ+93zrlX5NADys2wUz+mDQL48 xO8OZg/krPMA== X-IronPort-AV: E=McAfee;i="6000,8403,9782"; a="164212758" X-IronPort-AV: E=Sophos;i="5.77,409,1596524400"; d="scan'208";a="164212758" X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga004.jf.intel.com ([10.7.209.38]) by fmsmga102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 23 Oct 2020 10:17:17 -0700 IronPort-SDR: jA1OAelbFkEy2cUD5WVIVP4500x0vX8CQ5Xo4oxjwdAQTwTwIjgiNYNz1JQMm6uYw9gXcaE0Eq uWmoQbvAVFZQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.77,409,1596524400"; d="scan'208";a="467141874" Received: from irvmail001.ir.intel.com ([163.33.26.43]) by orsmga004.jf.intel.com with ESMTP; 23 Oct 2020 10:17:15 -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 09NHHENd012537; Fri, 23 Oct 2020 18:17:14 +0100 Received: from sivswdev09.ir.intel.com (localhost [127.0.0.1]) by sivswdev09.ir.intel.com with ESMTP id 09NHHECk011229; Fri, 23 Oct 2020 18:17:14 +0100 Received: (from lma25@localhost) by sivswdev09.ir.intel.com with LOCAL id 09NHHEoA011223; Fri, 23 Oct 2020 18:17:14 +0100 From: Liang Ma To: dev@dpdk.org Cc: anatoly.burakov@intel.com, bruce.richardson@intel.com, konstantin.ananyev@intel.com, david.hunt@intel.com, jerinjacobk@gmail.com, thomas@monjalon.net, timothy.mcdaniel@intel.com, gage.eads@intel.com, Liang Ma Date: Fri, 23 Oct 2020 18:17:12 +0100 Message-Id: <1603473432-11153-1-git-send-email-liang.j.ma@intel.com> X-Mailer: git-send-email 1.7.7.4 In-Reply-To: References: Subject: [dpdk-dev] [PATCH v8 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" 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) -- 2.17.1