From patchwork Tue Feb 16 02:12:57 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Isaku Yamahata X-Patchwork-Id: 12089421 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C58C6C433DB for ; Tue, 16 Feb 2021 02:16:07 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9C61964DF0 for ; Tue, 16 Feb 2021 02:16:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229807AbhBPCQF (ORCPT ); Mon, 15 Feb 2021 21:16:05 -0500 Received: from mga06.intel.com ([134.134.136.31]:39370 "EHLO mga06.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229912AbhBPCPy (ORCPT ); Mon, 15 Feb 2021 21:15:54 -0500 IronPort-SDR: DZFrCxXJs72A1do3ciVcgfv+SjtomPHFFjDsGAjo2hnNn5wgbXBYyCiCZXeMDVgoT8R9CGS9av z3bI6GLh04uQ== X-IronPort-AV: E=McAfee;i="6000,8403,9896"; a="244270194" X-IronPort-AV: E=Sophos;i="5.81,182,1610438400"; d="scan'208";a="244270194" Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by orsmga104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 15 Feb 2021 18:14:50 -0800 IronPort-SDR: BJ3gNTgiWLJnlFPV3wYnA31/SdKC5ZlJvs2lJHh+FIN+u4RmZgSORWxYKOdFF/KvHziTN38xa7 fSJ9YSdH/zJg== X-IronPort-AV: E=Sophos;i="5.81,182,1610438400"; d="scan'208";a="591705383" Received: from ls.sc.intel.com (HELO localhost) ([143.183.96.54]) by fmsmga005-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 15 Feb 2021 18:14:50 -0800 From: Isaku Yamahata To: qemu-devel@nongnu.org, pbonzini@redhat.com, alistair@alistair23.me, ehabkost@redhat.com, marcel.apfelbaum@gmail.com, mst@redhat.com, cohuck@redhat.com, mtosatti@redhat.com, xiaoyao.li@intel.com, seanjc@google.com Cc: kvm@vger.kernel.org, isaku.yamahata@gmail.com, isaku.yamahata@intel.com, Sean Christopherson Subject: [RFC PATCH 01/23] target/i386: Expose x86_cpu_get_supported_feature_word() for TDX Date: Mon, 15 Feb 2021 18:12:57 -0800 Message-Id: X-Mailer: git-send-email 2.17.1 In-Reply-To: References: In-Reply-To: References: Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org From: Sean Christopherson Expose x86_cpu_get_supported_feature_word() outside of cpu.c so that it can be used by TDX to setup the VM-wide CPUID configuration. Signed-off-by: Sean Christopherson Reviewed-by: Philippe Mathieu-Daudé --- target/i386/cpu.c | 4 ++-- target/i386/cpu.h | 3 +++ 2 files changed, 5 insertions(+), 2 deletions(-) diff --git a/target/i386/cpu.c b/target/i386/cpu.c index 9c3d2d60b7..578e1fe25f 100644 --- a/target/i386/cpu.c +++ b/target/i386/cpu.c @@ -5043,8 +5043,8 @@ CpuDefinitionInfoList *qmp_query_cpu_definitions(Error **errp) return cpu_list; } -static uint64_t x86_cpu_get_supported_feature_word(FeatureWord w, - bool migratable_only) +uint64_t x86_cpu_get_supported_feature_word(FeatureWord w, + bool migratable_only) { FeatureWordInfo *wi = &feature_word_info[w]; uint64_t r = 0; diff --git a/target/i386/cpu.h b/target/i386/cpu.h index 8d599bb5b8..7274e8d1b4 100644 --- a/target/i386/cpu.h +++ b/target/i386/cpu.h @@ -1815,6 +1815,9 @@ void cpu_set_ignne(void); /* mpx_helper.c */ void cpu_sync_bndcs_hflags(CPUX86State *env); +uint64_t x86_cpu_get_supported_feature_word(FeatureWord w, + bool migratable_only); + /* this function must always be used to load data in the segment cache: it synchronizes the hflags with the segment cache values */ static inline void cpu_x86_load_seg_cache(CPUX86State *env,