From nobody Sun Feb 8 21:17:02 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 5FC52C433F5 for ; Fri, 4 Mar 2022 20:05:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230301AbiCDUGa (ORCPT ); Fri, 4 Mar 2022 15:06:30 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53938 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230198AbiCDUGE (ORCPT ); Fri, 4 Mar 2022 15:06:04 -0500 Received: from mga03.intel.com (mga03.intel.com [134.134.136.65]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7F7B373056; Fri, 4 Mar 2022 12:01:03 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1646424063; x=1677960063; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=wgNcf013hisCgpPJ0l/y+lMK2HaU5nXC6kAb2xW4hPM=; b=b1BB5upYwz0ZcK+O3FC1jz2PJeioiFSa5NN7wgGnMFkWpoV4LHecIY+r NhTC+1P6dObUuX457SCkTKO+UsheP6XCBMEZ9k65aGxPiFb8soLM9ZQH+ P9+DxM0TzGnb2HCcZ38sWYhZn7YuZ9+LGZrJecAf0ownjn7C5Hly2i71W te2FbIq3cuyglGlQylu6wVAhDiEA920HJmQfnKXNhXrJxm9cyn2Ba+a66 lZY1i8CbT+cDjVNSkLnBXv3LFpjaIKD+JpPGFZ/0gVWTci8bac6Vq5V6s Bv0Y3Brbe/BnZwueIaSgimymChnavZUocS/OyFr7YukJnnO7xHE9BXk3i g==; X-IronPort-AV: E=McAfee;i="6200,9189,10276"; a="253983327" X-IronPort-AV: E=Sophos;i="5.90,156,1643702400"; d="scan'208";a="253983327" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by orsmga103.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 Mar 2022 11:50:08 -0800 X-IronPort-AV: E=Sophos;i="5.90,156,1643702400"; d="scan'208";a="552344135" Received: from ls.sc.intel.com (HELO localhost) ([143.183.96.54]) by orsmga008-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 Mar 2022 11:50:07 -0800 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 , Jim Mattson , erdemaktas@google.com, Connor Kuehl , Sean Christopherson Subject: [RFC PATCH v5 011/104] [MARKER] The start of TDX KVM patch series: TDX architectural definitions Date: Fri, 4 Mar 2022 11:48:27 -0800 Message-Id: <2fe33c8a0dae28acf001deffed51adcb5a74c96f.1646422845.git.isaku.yamahata@intel.com> 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..d4db90cb098b --- /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 stolen 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