From mboxrd@z Thu Jan 1 00:00:00 1970 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 C044CC433B4 for ; Tue, 11 May 2021 06:43:02 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 64761610FA for ; Tue, 11 May 2021 06:43:02 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 64761610FA Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=intel.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:36092 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lgM6f-0002jd-Ci for qemu-devel@archiver.kernel.org; Tue, 11 May 2021 02:43:01 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:40644) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lgLsd-0006V8-Ab for qemu-devel@nongnu.org; Tue, 11 May 2021 02:28:32 -0400 Received: from mga06.intel.com ([134.134.136.31]:46441) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lgLsb-0004it-Kl for qemu-devel@nongnu.org; Tue, 11 May 2021 02:28:31 -0400 IronPort-SDR: fO4cBLAE9D7fzS5YZzDsOUsvq/eHN0RK8SZmuVUznvo6I9MItUYFewnmhmnMWJLDnkGyCLDI3b s0WxZTt/DPFg== X-IronPort-AV: E=McAfee;i="6200,9189,9980"; a="260631533" X-IronPort-AV: E=Sophos;i="5.82,290,1613462400"; d="scan'208";a="260631533" 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 23:27:59 -0700 IronPort-SDR: 2ND7B5Pmc4oRdjxrZasJ3NzdoIXdov85latbagS5czQeHnM/Zr6b3shDjZGZWSiOezhpIQRqnv Vjtpudmjtm2A== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.82,290,1613462400"; d="scan'208";a="391281236" Received: from icx-2s.bj.intel.com ([10.240.192.119]) by orsmga003.jf.intel.com with ESMTP; 10 May 2021 23:27:58 -0700 From: Yang Zhong To: qemu-devel@nongnu.org Subject: [PATCH v2 16/32] Adjust min CPUID level to 0x12 when SGX is enabled Date: Tue, 11 May 2021 14:20:35 +0800 Message-Id: <20210511062051.41948-17-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: 8bit 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+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Sean Christopherson SGX capabilities are enumerated through CPUID_0x12. Signed-off-by: Sean Christopherson Signed-off-by: Yang Zhong --- target/i386/cpu.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/target/i386/cpu.c b/target/i386/cpu.c index 63253bf606..41050960c5 100644 --- a/target/i386/cpu.c +++ b/target/i386/cpu.c @@ -6741,6 +6741,11 @@ static void x86_cpu_expand_features(X86CPU *cpu, Error **errp) if (sev_enabled()) { x86_cpu_adjust_level(cpu, &env->cpuid_min_xlevel, 0x8000001F); } + + /* SGX requires CPUID[0x12] for EPC enumeration */ + if (env->features[FEAT_7_0_EBX] & CPUID_7_0_EBX_SGX) { + x86_cpu_adjust_level(cpu, &env->cpuid_min_level, 0x12); + } } /* Set cpuid_*level* based on cpuid_min_*level, if not explicitly set */ -- 2.29.2.334.gfaefdd61ec