From patchwork Thu Jan 25 03:22:33 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xiaoyao Li X-Patchwork-Id: 13529974 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 lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id CE88CC47DDF for ; Thu, 25 Jan 2024 03:36:31 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1rSqPn-00039W-P7; Wed, 24 Jan 2024 22:28:31 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1rSqPl-00038x-Tk for qemu-devel@nongnu.org; Wed, 24 Jan 2024 22:28:29 -0500 Received: from mgamail.intel.com ([192.198.163.10]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1rSqPj-0001E0-V5 for qemu-devel@nongnu.org; Wed, 24 Jan 2024 22:28:29 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1706153308; x=1737689308; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=JJ7DfZYPfF53P59ZPLA5hFKttXpMbcVvDC2Fx+eVoTw=; b=A3SzchQJHl1AFWM/usBrmAsquf19YOhpwbovq8JJfJa95/fD9rilzT2+ PA7bF3H/rzwlZtVimq6/hiqiOD6KthrvGcZB4Vj7LgqZiC4wInfxUSguW +TuaW/itg+FlASytmVowjtlY42n0Eb6dj6/j/BSzPhD4dVy+O30+TAFdD m0qIdhXCKFzO4WLBpTap8vG6R277y8fC7wjnjPzjXEyLA5PM12Iqy1cET n2Fu1ssBuj5Qase9caC36gnHTCMl5Pt6UMKKn11MHM60HwKSStFiWlKzZ kTSGpAVhCz5oZTL5V6LcnuP6anqmaa0Mku+dwxGm0NTVvFTbAXxTH11gs A==; X-IronPort-AV: E=McAfee;i="6600,9927,10962"; a="9428158" X-IronPort-AV: E=Sophos;i="6.05,216,1701158400"; d="scan'208";a="9428158" Received: from orviesa005.jf.intel.com ([10.64.159.145]) by fmvoesa104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 Jan 2024 19:24:38 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.05,216,1701158400"; d="scan'208";a="2084814" Received: from lxy-clx-4s.sh.intel.com ([10.239.48.52]) by orviesa005.jf.intel.com with ESMTP; 24 Jan 2024 19:24:32 -0800 From: Xiaoyao Li To: Paolo Bonzini , David Hildenbrand , Igor Mammedov , "Michael S . Tsirkin" , Marcel Apfelbaum , Richard Henderson , Peter Xu , =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= , Cornelia Huck , =?utf-8?q?Daniel_P_=2E_Berrang=C3=A9?= , Eric Blake , Markus Armbruster , Marcelo Tosatti Cc: qemu-devel@nongnu.org, kvm@vger.kernel.org, xiaoyao.li@intel.com, Michael Roth , Sean Christopherson , Claudio Fontana , Gerd Hoffmann , Isaku Yamahata , Chenyi Qiang Subject: [PATCH v4 11/66] i386: Introduce tdx-guest object Date: Wed, 24 Jan 2024 22:22:33 -0500 Message-Id: <20240125032328.2522472-12-xiaoyao.li@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240125032328.2522472-1-xiaoyao.li@intel.com> References: <20240125032328.2522472-1-xiaoyao.li@intel.com> MIME-Version: 1.0 Received-SPF: pass client-ip=192.198.163.10; envelope-from=xiaoyao.li@intel.com; helo=mgamail.intel.com X-Spam_score_int: -15 X-Spam_score: -1.6 X-Spam_bar: - X-Spam_report: (-1.6 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-1.5, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, HK_RANDOM_ENVFROM=0.999, HK_RANDOM_FROM=1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Introduce tdx-guest object which implements the interface of CONFIDENTIAL_GUEST_SUPPORT, and will be used to create TDX VMs (TDs) by qemu -machine ...,confidential-guest-support=tdx0 \ -object tdx-guest,id=tdx0 It has only one member 'attributes' with fixed value 0 and not configurable so far. Signed-off-by: Xiaoyao Li Acked-by: Gerd Hoffmann Acked-by: Markus Armbruster --- Changes in v4: - update the new qapi `since` filed from 8.2 to 9.0 Changes in v1 - make @attributes not user-settable --- configs/devices/i386-softmmu/default.mak | 1 + hw/i386/Kconfig | 5 +++ qapi/qom.json | 12 +++++++ target/i386/kvm/meson.build | 2 ++ target/i386/kvm/tdx.c | 40 ++++++++++++++++++++++++ target/i386/kvm/tdx.h | 19 +++++++++++ 6 files changed, 79 insertions(+) create mode 100644 target/i386/kvm/tdx.c create mode 100644 target/i386/kvm/tdx.h diff --git a/configs/devices/i386-softmmu/default.mak b/configs/devices/i386-softmmu/default.mak index 598c6646dfc0..9b5ec59d65b0 100644 --- a/configs/devices/i386-softmmu/default.mak +++ b/configs/devices/i386-softmmu/default.mak @@ -18,6 +18,7 @@ #CONFIG_QXL=n #CONFIG_SEV=n #CONFIG_SGA=n +#CONFIG_TDX=n #CONFIG_TEST_DEVICES=n #CONFIG_TPM_CRB=n #CONFIG_TPM_TIS_ISA=n diff --git a/hw/i386/Kconfig b/hw/i386/Kconfig index a1846be6f761..c0ccf50ac3ef 100644 --- a/hw/i386/Kconfig +++ b/hw/i386/Kconfig @@ -10,6 +10,10 @@ config SGX bool depends on KVM +config TDX + bool + depends on KVM + config PC bool imply APPLESMC @@ -26,6 +30,7 @@ config PC imply QXL imply SEV imply SGX + imply TDX imply TEST_DEVICES imply TPM_CRB imply TPM_TIS_ISA diff --git a/qapi/qom.json b/qapi/qom.json index 95516ba325e5..5b3c3146947f 100644 --- a/qapi/qom.json +++ b/qapi/qom.json @@ -895,6 +895,16 @@ 'reduced-phys-bits': 'uint32', '*kernel-hashes': 'bool' } } +## +# @TdxGuestProperties: +# +# Properties for tdx-guest objects. +# +# Since: 9.0 +## +{ 'struct': 'TdxGuestProperties', + 'data': { }} + ## # @ThreadContextProperties: # @@ -974,6 +984,7 @@ 'sev-guest', 'thread-context', 's390-pv-guest', + 'tdx-guest', 'throttle-group', 'tls-creds-anon', 'tls-creds-psk', @@ -1041,6 +1052,7 @@ 'secret_keyring': { 'type': 'SecretKeyringProperties', 'if': 'CONFIG_SECRET_KEYRING' }, 'sev-guest': 'SevGuestProperties', + 'tdx-guest': 'TdxGuestProperties', 'thread-context': 'ThreadContextProperties', 'throttle-group': 'ThrottleGroupProperties', 'tls-creds-anon': 'TlsCredsAnonProperties', diff --git a/target/i386/kvm/meson.build b/target/i386/kvm/meson.build index 84d9143e6029..6ea0ce27b757 100644 --- a/target/i386/kvm/meson.build +++ b/target/i386/kvm/meson.build @@ -9,6 +9,8 @@ i386_kvm_ss.add(when: 'CONFIG_XEN_EMU', if_true: files('xen-emu.c')) i386_kvm_ss.add(when: 'CONFIG_SEV', if_false: files('sev-stub.c')) +i386_kvm_ss.add(when: 'CONFIG_TDX', if_true: files('tdx.c')) + i386_system_ss.add(when: 'CONFIG_HYPERV', if_true: files('hyperv.c'), if_false: files('hyperv-stub.c')) i386_system_ss.add_all(when: 'CONFIG_KVM', if_true: i386_kvm_ss) diff --git a/target/i386/kvm/tdx.c b/target/i386/kvm/tdx.c new file mode 100644 index 000000000000..d3792d4a3d56 --- /dev/null +++ b/target/i386/kvm/tdx.c @@ -0,0 +1,40 @@ +/* + * QEMU TDX support + * + * Copyright Intel + * + * Author: + * Xiaoyao Li + * + * This work is licensed under the terms of the GNU GPL, version 2 or later. + * See the COPYING file in the top-level directory + * + */ + +#include "qemu/osdep.h" +#include "qom/object_interfaces.h" + +#include "tdx.h" + +/* tdx guest */ +OBJECT_DEFINE_TYPE_WITH_INTERFACES(TdxGuest, + tdx_guest, + TDX_GUEST, + CONFIDENTIAL_GUEST_SUPPORT, + { TYPE_USER_CREATABLE }, + { NULL }) + +static void tdx_guest_init(Object *obj) +{ + TdxGuest *tdx = TDX_GUEST(obj); + + tdx->attributes = 0; +} + +static void tdx_guest_finalize(Object *obj) +{ +} + +static void tdx_guest_class_init(ObjectClass *oc, void *data) +{ +} diff --git a/target/i386/kvm/tdx.h b/target/i386/kvm/tdx.h new file mode 100644 index 000000000000..415aeb5af746 --- /dev/null +++ b/target/i386/kvm/tdx.h @@ -0,0 +1,19 @@ +#ifndef QEMU_I386_TDX_H +#define QEMU_I386_TDX_H + +#include "exec/confidential-guest-support.h" + +#define TYPE_TDX_GUEST "tdx-guest" +#define TDX_GUEST(obj) OBJECT_CHECK(TdxGuest, (obj), TYPE_TDX_GUEST) + +typedef struct TdxGuestClass { + ConfidentialGuestSupportClass parent_class; +} TdxGuestClass; + +typedef struct TdxGuest { + ConfidentialGuestSupport parent_obj; + + uint64_t attributes; /* TD attributes */ +} TdxGuest; + +#endif /* QEMU_I386_TDX_H */