From nobody Mon Feb 9 11:06:06 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=intel.com Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1625829578221429.16129738997677; Fri, 9 Jul 2021 04:19:38 -0700 (PDT) Received: from localhost ([::1]:36210 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1m1oXh-0008Sd-6R for importer@patchew.org; Fri, 09 Jul 2021 07:19:37 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:38186) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1m1oSq-0006Up-6d for qemu-devel@nongnu.org; Fri, 09 Jul 2021 07:14:36 -0400 Received: from mga06.intel.com ([134.134.136.31]:37168) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1m1oSo-00055k-KM for qemu-devel@nongnu.org; Fri, 09 Jul 2021 07:14:35 -0400 Received: from orsmga002.jf.intel.com ([10.7.209.21]) by orsmga104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 Jul 2021 04:14:33 -0700 Received: from icx-2s.bj.intel.com ([10.240.192.119]) by orsmga002.jf.intel.com with ESMTP; 09 Jul 2021 04:14:32 -0700 X-IronPort-AV: E=McAfee;i="6200,9189,10039"; a="270800786" X-IronPort-AV: E=Sophos;i="5.84,226,1620716400"; d="scan'208";a="270800786" X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.84,226,1620716400"; d="scan'208";a="428730193" From: Yang Zhong To: qemu-devel@nongnu.org Subject: [PATCH v3 11/33] i386: Add feature control MSR dependency when SGX is enabled Date: Fri, 9 Jul 2021 19:09:33 +0800 Message-Id: <20210709110955.73256-12-yang.zhong@intel.com> X-Mailer: git-send-email 2.29.2.334.gfaefdd61ec In-Reply-To: <20210709110955.73256-1-yang.zhong@intel.com> References: <20210709110955.73256-1-yang.zhong@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=134.134.136.31; envelope-from=yang.zhong@intel.com; helo=mga06.intel.com X-Spam_score_int: -41 X-Spam_score: -4.2 X-Spam_bar: ---- X-Spam_report: (-4.2 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: yang.zhong@intel.com, seanjc@google.com, kai.huang@intel.com, jarkko@kernel.org, pbonzini@redhat.com, eblake@redhat.com Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZM-MESSAGEID: 1625829579069100001 Content-Type: text/plain; charset="utf-8" From: Sean Christopherson SGX adds multiple flags to FEATURE_CONTROL to enable SGX and Flexible Launch Control. Signed-off-by: Sean Christopherson Signed-off-by: Yang Zhong --- target/i386/kvm/kvm.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/target/i386/kvm/kvm.c b/target/i386/kvm/kvm.c index 67365e691d..1c4af05272 100644 --- a/target/i386/kvm/kvm.c +++ b/target/i386/kvm/kvm.c @@ -1842,6 +1842,11 @@ int kvm_arch_init_vcpu(CPUState *cs) !!(c->ecx & CPUID_EXT_SMX); } =20 + c =3D cpuid_find_entry(&cpuid_data.cpuid, 7, 0); + if (c && (c->ebx & CPUID_7_0_EBX_SGX)) { + has_msr_feature_control =3D true; + } + if (env->mcg_cap & MCG_LMCE_P) { has_msr_mcg_ext_ctl =3D has_msr_feature_control =3D true; } --=20 2.29.2.334.gfaefdd61ec