From nobody Mon Feb 9 19:08:10 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 ARC-Seal: i=1; a=rsa-sha256; t=1620714765; cv=none; d=zohomail.com; s=zohoarc; b=de5vQ2yMDFjkIieKRyvlLDW4+B3XrKsFK1YqAeimeHP1g/a+LoihT0VABgmGcsdcUX2qiXpqY9ZNENICZ0+RX7C4poFTKiqdmTq2f9xtRXcZ1DovT+x6zZo6Z1lPq+baCaTUKXLpTv3LRq9VtTv4Y4N/wAONxxWTSGj6AZmuhYo= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1620714765; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=gi8JGCdPc/IIJhCf9zpECM3fshD2UyKMtiKEJAteZXA=; b=kH3LXPE+10366ZmEscgn1pYVVvClofC+KVDQXWdAiiHUtiDZNhKxyySSuwYUmKVz/GEIQvym5TSNe/EGZ9HkVEH3iDucaKrtUNEEUcEyrKAXA4M/9eGygAbyqS9EV3t3Z18R1kaYFz3x8JXpV92wXhufNLqWJl23WODdHlBsd/0= ARC-Authentication-Results: i=1; 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 header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 162071476531628.08022019775592; Mon, 10 May 2021 23:32:45 -0700 (PDT) Received: from localhost ([::1]:38996 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lgLwi-0002Td-7F for importer@patchew.org; Tue, 11 May 2021 02:32:44 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:40496) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lgLs8-0005zg-2Z for qemu-devel@nongnu.org; Tue, 11 May 2021 02:28:01 -0400 Received: from mga06.intel.com ([134.134.136.31]:46423) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lgLs5-0004ZR-WA for qemu-devel@nongnu.org; Tue, 11 May 2021 02:27:59 -0400 Received: from orsmga003.jf.intel.com ([10.7.209.27]) by orsmga104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 May 2021 23:27:50 -0700 Received: from icx-2s.bj.intel.com ([10.240.192.119]) by orsmga003.jf.intel.com with ESMTP; 10 May 2021 23:27:48 -0700 IronPort-SDR: SZn15ZQCBwKcdotH+2Knidk+DpEOdK/3/MheOZ76a04PeGojO6yXuvewNh8RkvuwUGSAN10bpK GFSiyAX1jrOw== X-IronPort-AV: E=McAfee;i="6200,9189,9980"; a="260631511" X-IronPort-AV: E=Sophos;i="5.82,290,1613462400"; d="scan'208";a="260631511" IronPort-SDR: bkBOuPCNi3O5BfR6ZsUp5ESUdkzGgTxt+HCblR0IQ+sQSjCxxbFeJpNbsUCKz2WSBxeFOLC35b ed3gq3C0mKHg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.82,290,1613462400"; d="scan'208";a="391281176" From: Yang Zhong To: qemu-devel@nongnu.org Subject: [PATCH v2 11/32] i386: Add feature control MSR dependency when SGX is enabled Date: Tue, 11 May 2021 14:20:30 +0800 Message-Id: <20210511062051.41948-12-yang.zhong@intel.com> X-Mailer: git-send-email 2.29.2.334.gfaefdd61ec In-Reply-To: <20210511062051.41948-1-yang.zhong@intel.com> References: <20210511062051.41948-1-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, pbonzini@redhat.com, kai.huang@intel.com, seanjc@google.com Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" 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 4463d638c4..fa495a6f9e 100644 --- a/target/i386/kvm/kvm.c +++ b/target/i386/kvm/kvm.c @@ -1789,6 +1789,11 @@ 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