From nobody Mon Feb 9 05:20:55 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 9EBCAC04A6A for ; Tue, 25 Jul 2023 22:16:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229762AbjGYWQR (ORCPT ); Tue, 25 Jul 2023 18:16:17 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:32852 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230302AbjGYWPk (ORCPT ); Tue, 25 Jul 2023 18:15:40 -0400 Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E774CBC; Tue, 25 Jul 2023 15:15:38 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1690323339; x=1721859339; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=gZq/xU5HPMr+7bL2m3UNHQGfAGkvgf+PBtN9vzhZEYs=; b=bbAnykT58VlRFXD557fX+Ty+UylOIROmYHgWGUEIwJwhw2QoN33BbUMp flwVloR5yCC9O0ptDLqTyHjoXk1DIC4VidF8FTRy0yv33BU5Rj/I04uv9 6838r1pGgQzaZJrTUsFNi0GDZt2JsA+F9lim772ceYg9fWaKTZabPvcM7 jfO9SwRPLUjgT9bqGlr7MY+dipu4QuF+iIY3szsEPvmYdy4BlzTGuCwOz do/BfkDxRQmBuPz8wdy4RnWwd27tefIX1C9+9nr97sSfGsTF8vX9nc8hp fzCCtq8qk/kTnHSc0SAyoslkaSdsh6TtSB9291XXpdY+rfTCOKgBthuAP A==; X-IronPort-AV: E=McAfee;i="6600,9927,10782"; a="357863063" X-IronPort-AV: E=Sophos;i="6.01,231,1684825200"; d="scan'208";a="357863063" Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by orsmga101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 Jul 2023 15:15:18 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10782"; a="1056938788" X-IronPort-AV: E=Sophos;i="6.01,231,1684825200"; d="scan'208";a="1056938788" Received: from ls.sc.intel.com (HELO localhost) ([172.25.112.31]) by fmsmga005-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 Jul 2023 15:15:18 -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 , David Matlack , Kai Huang , Zhi Wang , chen.bo@intel.com, hang.yuan@intel.com, tina.zhang@intel.com Subject: [PATCH v15 008/115] [MARKER] The start of TDX KVM patch series: TDX architectural definitions Date: Tue, 25 Jul 2023 15:13:19 -0700 Message-Id: <9419e35182ec6a9403a632e1bba919a01a3b4cc4.1690322424.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 --- Documentation/virt/kvm/index.rst | 2 ++ .../virt/kvm/intel-tdx-layer-status.rst | 29 +++++++++++++++++++ 2 files changed, 31 insertions(+) create mode 100644 Documentation/virt/kvm/intel-tdx-layer-status.rst diff --git a/Documentation/virt/kvm/index.rst b/Documentation/virt/kvm/inde= x.rst index ad13ec55ddfe..ccff56dca2b1 100644 --- a/Documentation/virt/kvm/index.rst +++ b/Documentation/virt/kvm/index.rst @@ -19,3 +19,5 @@ KVM vcpu-requests halt-polling review-checklist + + intel-tdx-layer-status 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..f11ea701dc19 --- /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 --=20 2.25.1