From nobody Mon Feb 9 19:10:42 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=gmail.com Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1625707481205864.333381296483; Wed, 7 Jul 2021 18:24:41 -0700 (PDT) Received: from localhost ([::1]:48532 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1m1ImO-0007ZD-6k for importer@patchew.org; Wed, 07 Jul 2021 21:24:40 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:38314) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1m1ILF-0002tK-Sm for qemu-devel@nongnu.org; Wed, 07 Jul 2021 20:56:42 -0400 Received: from mga12.intel.com ([192.55.52.136]:57610) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1m1ILE-0007LH-CZ for qemu-devel@nongnu.org; Wed, 07 Jul 2021 20:56:37 -0400 Received: from fmsmga007.fm.intel.com ([10.253.24.52]) by fmsmga106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 07 Jul 2021 17:56:00 -0700 Received: from ls.sc.intel.com (HELO localhost) ([143.183.96.54]) by fmsmga007-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 07 Jul 2021 17:55:59 -0700 X-IronPort-AV: E=McAfee;i="6200,9189,10038"; a="189101746" X-IronPort-AV: E=Sophos;i="5.84,222,1620716400"; d="scan'208";a="189101746" X-IronPort-AV: E=Sophos;i="5.84,222,1620716400"; d="scan'208";a="423770130" From: isaku.yamahata@gmail.com To: qemu-devel@nongnu.org, pbonzini@redhat.com, alistair@alistair23.me, ehabkost@redhat.com, marcel.apfelbaum@gmail.com, mst@redhat.com, cohuck@redhat.com, mtosatti@redhat.com, xiaoyao.li@intel.com, seanjc@google.com, erdemaktas@google.com Subject: [RFC PATCH v2 43/44] i386/tdx: disallow level interrupt and SMI/INIT/SIPI delivery mode Date: Wed, 7 Jul 2021 17:55:13 -0700 Message-Id: X-Mailer: git-send-email 2.25.1 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=192.55.52.136; envelope-from=isaku.yamahata@intel.com; helo=mga12.intel.com X-Spam_score_int: -17 X-Spam_score: -1.8 X-Spam_bar: - X-Spam_report: (-1.8 / 5.0 requ) BAYES_00=-1.9, DKIM_ADSP_CUSTOM_MED=0.001, FORGED_GMAIL_RCVD=1, FREEMAIL_FORGED_FROMDOMAIN=0.25, FREEMAIL_FROM=0.001, HEADER_FROM_DIFFERENT_DOMAINS=0.25, NML_ADSP_CUSTOM_MED=0.9, RCVD_IN_DNSWL_MED=-2.3, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: isaku.yamahata@intel.com, isaku.yamahata@gmail.com, kvm@vger.kernel.org Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZM-MESSAGEID: 1625707483219100001 Content-Type: text/plain; charset="utf-8" From: Isaku Yamahata TDX doesn't allow level interrupt and SMI/INIT/SIPI interrupt delivery mode. So disallow them. Signed-off-by: Isaku Yamahata --- hw/i386/x86.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/hw/i386/x86.c b/hw/i386/x86.c index 24af05c313..c372403b87 100644 --- a/hw/i386/x86.c +++ b/hw/i386/x86.c @@ -1307,6 +1307,9 @@ static int x86_kvm_type(MachineState *ms, const char = *vm_type) kvm_type =3D KVM_X86_LEGACY_VM; } else if (!g_ascii_strcasecmp(vm_type, "tdx")) { kvm_type =3D KVM_X86_TDX_VM; + X86_MACHINE(ms)->eoi_intercept_unsupported =3D true; + X86_MACHINE(ms)->smi_unsupported =3D true; + X86_MACHINE(ms)->init_sipi_unsupported =3D true; } else { error_report("Unknown kvm-type specified '%s'", vm_type); exit(1); --=20 2.25.1