From nobody Sun Feb 8 21:11:39 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 81DBAC433FE for ; Fri, 30 Sep 2022 10:20:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231899AbiI3KUu (ORCPT ); Fri, 30 Sep 2022 06:20:50 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33594 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231379AbiI3KS7 (ORCPT ); Fri, 30 Sep 2022 06:18:59 -0400 Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D6C6215ED32; Fri, 30 Sep 2022 03:18:57 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1664533138; x=1696069138; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=Wk7ogtc5Ub+4u4KfteyYsotpfo7mJ/YCVxSbhwLcn7s=; b=bmRnD+r5IdZQGIiFYIy+LILBFNBQtzadPeaA3d+tvNpG1hr7uFP74s3a MGkCT+lg26r2UV5lLAVI1MnVwXi+Vn1Z456lLoOu+qQl18F1RtBkI4Xik YKPwumoWoJSEO2Ty0yQMt0FKY2wszsqYvn5UdX1mhx6mIZeDSnbZ5dW3C 3V+KGfU3WNP0ASfcAwxVShLHbZ0SJ+vhO/IWwhAOiMOZ+lZc/zwqsKKFK DElk6J414XxJH7KglPm5uRihYeTD0IX+kT8qQkit8HH08kEBHf/b04MCS 1q0Mw5Ug/+Oq4lNpbzSKQF/j9TUQjvtHDJ2XzowZ2dRGM/4fv4OJFXV/d A==; X-IronPort-AV: E=McAfee;i="6500,9779,10485"; a="366207480" X-IronPort-AV: E=Sophos;i="5.93,358,1654585200"; d="scan'208";a="366207480" Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 30 Sep 2022 03:18:52 -0700 X-IronPort-AV: E=McAfee;i="6500,9779,10485"; a="726807528" X-IronPort-AV: E=Sophos;i="5.93,358,1654585200"; d="scan'208";a="726807528" Received: from ls.sc.intel.com (HELO localhost) ([143.183.96.54]) by fmsmga002-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 30 Sep 2022 03:18:52 -0700 From: isaku.yamahata@intel.com To: kvm@vger.kernel.org, linux-kernel@vger.kernel.org Cc: isaku.yamahata@intel.com, isaku.yamahata@gmail.com, Paolo Bonzini , erdemaktas@google.com, Sean Christopherson , Sagi Shahar Subject: [PATCH v9 008/105] [MARKER] The start of TDX KVM patch series: TDX architectural definitions Date: Fri, 30 Sep 2022 03:17:02 -0700 Message-Id: X-Mailer: git-send-email 2.25.1 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" From: Isaku Yamahata This empty commit is to mark the start of patch series of TDX architectural definitions. Signed-off-by: Isaku Yamahata --- .../virt/kvm/intel-tdx-layer-status.rst | 29 +++++++++++++++++++ 1 file changed, 29 insertions(+) create mode 100644 Documentation/virt/kvm/intel-tdx-layer-status.rst diff --git a/Documentation/virt/kvm/intel-tdx-layer-status.rst b/Documentat= ion/virt/kvm/intel-tdx-layer-status.rst new file mode 100644 index 000000000000..b7a14bc73853 --- /dev/null +++ b/Documentation/virt/kvm/intel-tdx-layer-status.rst @@ -0,0 +1,29 @@ +.. SPDX-License-Identifier: GPL-2.0 + +=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D +Intel Trust Dodmain Extensions(TDX) +=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D + +Layer status +=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D +What qemu can do +---------------- +- TDX VM TYPE is exposed to Qemu. +- Qemu can try to create VM of TDX VM type and then fails. + +Patch Layer status +------------------ + Patch layer Status +* TDX, VMX coexistence: Applied +* TDX architectural definitions: Applying +* TD VM creation/destruction: Not yet +* TD vcpu creation/destruction: Not yet +* TDX EPT violation: Not yet +* TD finalization: Not yet +* TD vcpu enter/exit: Not yet +* TD vcpu interrupts/exit/hypercall: Not yet + +* KVM MMU GPA shared bits: Not yet +* KVM TDP refactoring for TDX: Not yet +* KVM TDP MMU hooks: Not yet +* KVM TDP MMU MapGPA: Not yet --=20 2.25.1