From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8ACADC11F73 for ; Fri, 2 Jul 2021 22:07:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7A513613CD for ; Fri, 2 Jul 2021 22:07:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231521AbhGBWHx (ORCPT ); Fri, 2 Jul 2021 18:07:53 -0400 Received: from mga02.intel.com ([134.134.136.20]:51166 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229648AbhGBWHw (ORCPT ); Fri, 2 Jul 2021 18:07:52 -0400 X-IronPort-AV: E=McAfee;i="6200,9189,10033"; a="195951880" X-IronPort-AV: E=Sophos;i="5.83,320,1616482800"; d="scan'208";a="195951880" Received: from fmsmga006.fm.intel.com ([10.253.24.20]) by orsmga101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 02 Jul 2021 15:05:19 -0700 X-IronPort-AV: E=Sophos;i="5.83,320,1616482800"; d="scan'208";a="642814667" Received: from ls.sc.intel.com (HELO localhost) ([143.183.96.54]) by fmsmga006-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 02 Jul 2021 15:05:19 -0700 From: isaku.yamahata@intel.com To: Thomas Gleixner , Ingo Molnar , Borislav Petkov , "H . Peter Anvin" , Paolo Bonzini , Vitaly Kuznetsov , Wanpeng Li , Jim Mattson , Joerg Roedel , erdemaktas@google.com, Connor Kuehl , Sean Christopherson , x86@kernel.org, linux-kernel@vger.kernel.org, kvm@vger.kernel.org Cc: isaku.yamahata@intel.com, isaku.yamahata@gmail.com Subject: [RFC PATCH v2 01/69] KVM: TDX: introduce config for KVM TDX support Date: Fri, 2 Jul 2021 15:04:07 -0700 Message-Id: <2f265006e5cee03a5a48448c51c3632391e58ec7.1625186503.git.isaku.yamahata@intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Isaku Yamahata Add new config KVM_INTEL_TDX for KVM TDX support. This patch introduce a config only. Later patch will implement feature depends on it. Signed-off-by: Isaku Yamahata --- arch/x86/kvm/Kconfig | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/arch/x86/kvm/Kconfig b/arch/x86/kvm/Kconfig index f6b93a35ce14..66622901bf7d 100644 --- a/arch/x86/kvm/Kconfig +++ b/arch/x86/kvm/Kconfig @@ -96,6 +96,17 @@ config X86_SGX_KVM If unsure, say N. +config KVM_INTEL_TDX + bool "Trusted Domain eXtensions(TDX) Host support" + depends on KVM_INTEL && X86_64 + select FW_LOADER + + help + Extends KVM on Intel processors to support Trusted Domain Extensions. + Intel Trust Domain eXtensions(TDX) is an architecture based on CPU + instructions and TDX module to deploy hardware-isolated virtual + machines(VMs) which is called Trust Domains(TDs). + config KVM_AMD tristate "KVM for AMD processors support" depends on KVM -- 2.25.1