From nobody Tue Feb 10 01:35:42 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=1618828617; cv=none; d=zohomail.com; s=zohoarc; b=HIGpfjGpBZYHLlmXIYtVCKgDpFu+ZY4ktQgGTHg2HPUhE3rWXUaaYKdKqxEUTuNlvy4MuE0VyEEfBIb/DKsYd/tOLogRq1xTyGeUpDR506sALrYqxg2O++xArpeUvez0iLs3uvZbFdmqD8mSjOhQhWgJNMD7DS0mQdtSz9cLYiw= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1618828617; 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=saxAd450vTF3fKY+lWv6UtWwGccbX/qFB6Qr6Y+Wkz8=; b=PA5ftDNSdT5Msvy+3decg+p8J9O7xPjVu+HID9f9y8wkLJ+SUuIuYBpus/hVB+NJMs9Vll957g+LBdxM2wZKwYrXDnAKUGOD2KAqwyKwGy52GVyPAY8VGbQJFBKBGCny/FnKIO5TgS2K1DtNqB9HCVknAnet8XrH8kfzamXXfPc= 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 1618828617146719.9632191108551; Mon, 19 Apr 2021 03:36:57 -0700 (PDT) Received: from localhost ([::1]:55374 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lYRGy-0002zM-2Z for importer@patchew.org; Mon, 19 Apr 2021 06:36:56 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:32874) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lYR3K-0003yT-9R for qemu-devel@nongnu.org; Mon, 19 Apr 2021 06:22:51 -0400 Received: from mga17.intel.com ([192.55.52.151]:24096) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lYR3F-000256-P1 for qemu-devel@nongnu.org; Mon, 19 Apr 2021 06:22:50 -0400 Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by fmsmga107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 Apr 2021 03:22:41 -0700 Received: from icx-2s.bj.intel.com ([10.240.192.119]) by fmsmga008.fm.intel.com with ESMTP; 19 Apr 2021 03:22:39 -0700 IronPort-SDR: DwZaLYbIUvTu8PqmmwW2ep2J3R3WhVvu0SzWQ/bjxCKezReAsVm7ce6/uws+ePkFeMVwKUz6ob j1ymT+PP5T+A== X-IronPort-AV: E=McAfee;i="6200,9189,9958"; a="175409271" X-IronPort-AV: E=Sophos;i="5.82,233,1613462400"; d="scan'208";a="175409271" IronPort-SDR: IDWMudi5BKT31Rj5+V5myi2mJZijrisg6qAs160yu2Q9hP1txSgtaqiDJN1G48jkG6WuSDhwDz Yd4bzhda5bZg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.82,233,1613462400"; d="scan'208";a="419947335" From: Yang Zhong To: qemu-devel@nongnu.org Subject: [PATCH 07/32] i386: Add SGX CPUID leaf FEAT_SGX_12_0_EAX Date: Mon, 19 Apr 2021 18:01:31 +0800 Message-Id: <20210419100156.53504-8-yang.zhong@intel.com> X-Mailer: git-send-email 2.29.2.334.gfaefdd61ec In-Reply-To: <20210419100156.53504-1-yang.zhong@intel.com> References: <20210419100156.53504-1-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=192.55.52.151; envelope-from=yang.zhong@intel.com; helo=mga17.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 CPUID leaf 12_0_EAX is an Intel-defined feature bits leaf enumerating the CPU's SGX capabilities, e.g. supported SGX instruction sets. Currently there are four enumerated capabilities: - SGX1 instruction set, i.e. "base" SGX - SGX2 instruction set for dynamic EPC management - ENCLV instruction set for VMM oversubscription of EPC - ENCLS-C instruction set for thread safe variants of ENCLS Signed-off-by: Sean Christopherson Signed-off-by: Yang Zhong --- target/i386/cpu.c | 20 ++++++++++++++++++++ target/i386/cpu.h | 1 + 2 files changed, 21 insertions(+) diff --git a/target/i386/cpu.c b/target/i386/cpu.c index 544d7be43c..5443f69fa5 100644 --- a/target/i386/cpu.c +++ b/target/i386/cpu.c @@ -676,6 +676,7 @@ static void x86_cpu_vendor_words2str(char *dst, uint32_= t vendor1, /* missing: CPUID_XSAVE_XSAVEC, CPUID_XSAVE_XSAVES */ #define TCG_14_0_ECX_FEATURES 0 +#define TCG_SGX_12_0_EAX_FEATURES 0 =20 typedef enum FeatureWordType { CPUID_FEATURE_WORD, @@ -1325,6 +1326,25 @@ static FeatureWordInfo feature_word_info[FEATURE_WOR= DS] =3D { .tcg_features =3D TCG_14_0_ECX_FEATURES, }, =20 + [FEAT_SGX_12_0_EAX] =3D { + .type =3D CPUID_FEATURE_WORD, + .feat_names =3D { + "sgx1", "sgx2", NULL, NULL, + NULL, NULL, NULL, NULL, + NULL, NULL, NULL, NULL, + NULL, NULL, NULL, NULL, + NULL, NULL, NULL, NULL, + NULL, NULL, NULL, NULL, + NULL, NULL, NULL, NULL, + NULL, NULL, NULL, NULL, + }, + .cpuid =3D { + .eax =3D 0x12, + .needs_ecx =3D true, .ecx =3D 0, + .reg =3D R_EAX, + }, + .tcg_features =3D TCG_SGX_12_0_EAX_FEATURES, + }, }; =20 typedef struct FeatureMask { diff --git a/target/i386/cpu.h b/target/i386/cpu.h index f074a315d1..3e6a9b8e6c 100644 --- a/target/i386/cpu.h +++ b/target/i386/cpu.h @@ -549,6 +549,7 @@ typedef enum FeatureWord { FEAT_VMX_BASIC, FEAT_VMX_VMFUNC, FEAT_14_0_ECX, + FEAT_SGX_12_0_EAX, /* CPUID[EAX=3D0x12,ECX=3D0].EAX (SGX) */ FEATURE_WORDS, } FeatureWord; =20 --=20 2.29.2.334.gfaefdd61ec