From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A4BCB3B4E8C for ; Thu, 18 Jun 2026 08:40:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.19 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781772003; cv=none; b=K8jCFiHXH2HLEjiV0PzGNfe8qS8XhHpE47zgrwyMrKJtgmayNpQDI/zmB55b4YfKyP9HUc4y4+m2alAa7LVT4TM98HE+ePA0/neayVTqGvHXzIAqE/EfscwW+6bJsVxbx8Odw97pFwqHQ42eYdbLpqHyXcrqE4CYPc7bEFDHVWQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781772003; c=relaxed/simple; bh=xLmluGfg//xbU7AzG2DVmi33syzJcx5tY1yIzBhIVzY=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=pOFYAM6SFsLupYPuSCCbKVi81ObZo1/PICW7H2dgpVyo3QmGe+6rsVceyNB+heH6jIGZcWtwIljiq7izwveBkK8VTzwZoAvUKJmqgVX3vP917XQHTLFsZTiML8pCk6+7ywTRJHeM/ILPRcH2/PPNxeCKoNpPI1isZgcJhwJpc9w= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com; spf=pass smtp.mailfrom=linux.intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=eNVp2yW1; arc=none smtp.client-ip=192.198.163.19 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="eNVp2yW1" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1781772002; x=1813308002; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=xLmluGfg//xbU7AzG2DVmi33syzJcx5tY1yIzBhIVzY=; b=eNVp2yW1Rko4NhvXsRN5rrXsxGydC4u9s8AQtnYcmqYUmZIJHWyJFw5b O/QOmC9zLxTnjLFYPoEY+9gAoRuF+fs/DdEry+YTi3Q8AOpN8/D1u+qmv mrPJko6GAhWeOv/7kltyXOEHlnEfWAgQ8vuLhNSRmrDb5l4aFhs7mS87/ pgb+YBhjlY1ELL47/jHXCa4XCnDIte5R8s1EFa2XeZuEqIEUxCZ74Bf2e T9z1MofXY9o2WAhhB6lLZwZjnX2cpve3Gowhy+jc0Nzq57SoM1uiEM8sY jg74Tby+9COKOQwS2kkKUcPzTaEeJqhQZAzswV7Ll2Bji4WLJaam/mhx4 A==; X-CSE-ConnectionGUID: mdqNIoL4TYOtgzgs4f2LLA== X-CSE-MsgGUID: susg4BGvQhyDNROGlcOuig== X-IronPort-AV: E=McAfee;i="6800,10657,11820"; a="81584823" X-IronPort-AV: E=Sophos;i="6.24,211,1774335600"; d="scan'208";a="81584823" Received: from orviesa009.jf.intel.com ([10.64.159.149]) by fmvoesa113.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 18 Jun 2026 01:40:02 -0700 X-CSE-ConnectionGUID: QJ6WoQD2Q1GgZjiOfg0MGQ== X-CSE-MsgGUID: oyC10arDSxa6BfVZL4up/Q== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.24,211,1774335600"; d="scan'208";a="248392443" Received: from yilunxu-optiplex-7050.sh.intel.com ([10.239.159.165]) by orviesa009.jf.intel.com with ESMTP; 18 Jun 2026 01:39:57 -0700 From: Xu Yilun To: x86@kernel.org, kvm@vger.kernel.org, linux-coco@lists.linux.dev, linux-kernel@vger.kernel.org Cc: djbw@kernel.org, kas@kernel.org, rick.p.edgecombe@intel.com, yilun.xu@linux.intel.com, yilun.xu@intel.com, xiaoyao.li@intel.com, sohil.mehta@intel.com, adrian.hunter@intel.com, kishen.maloor@intel.com, tony.lindgren@linux.intel.com, peter.fang@intel.com, baolu.lu@linux.intel.com, zhenzhong.duan@intel.com, dave.hansen@intel.com, dave.hansen@linux.intel.com, seanjc@google.com Subject: [PATCH v2 13/17] x86/virt/tdx: Enable Quoting extension Date: Thu, 18 Jun 2026 16:13:51 +0800 Message-Id: <20260618081355.3253581-14-yilun.xu@linux.intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20260618081355.3253581-1-yilun.xu@linux.intel.com> References: <20260618081355.3253581-1-yilun.xu@linux.intel.com> Precedence: bulk X-Mailing-List: linux-coco@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Peter Fang The Quoting extension generates TDX attestation Quotes in the TDX module, without using a discrete Quoting engine. Enable this feature by requesting it in TDH.SYS.CONFIG and TDH.SYS.UPDATE. Signed-off-by: Peter Fang Signed-off-by: Xu Yilun --- arch/x86/virt/vmx/tdx/tdx.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/arch/x86/virt/vmx/tdx/tdx.c b/arch/x86/virt/vmx/tdx/tdx.c index 81e7b6b1dacb..01fb01313077 100644 --- a/arch/x86/virt/vmx/tdx/tdx.c +++ b/arch/x86/virt/vmx/tdx/tdx.c @@ -1029,10 +1029,8 @@ static __init int construct_tdmrs(struct list_head *tmb_list, static __init void set_tdx_addon_features(void) { - /* - * To add DICE-based TDX Quoting feature bit in tdx_addon_feature0 when - * kernel is ready. - */ + if (tdx_sysinfo.features.tdx_features0 & TDX_FEATURES0_QUOTE) + tdx_addon_feature0 |= TDX_FEATURES0_QUOTE; } static __init int config_tdx_module(struct tdmr_info_list *tdmr_list, -- 2.25.1