From nobody Sat Apr 5 14:58:41 2025 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass header.i=@intel.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=pass(p=none dis=none) header.from=intel.com ARC-Seal: i=1; a=rsa-sha256; t=1743515678; cv=none; d=zohomail.com; s=zohoarc; b=jiSuJJqepQQC2Vqq5kqdlKxTIon++9MhZYxdcYxq6+uo81F6Lhc8xMbnZljWPn5vIABOsdO+szo43yBeWJiQcmJR1P8x1gIA5lgzUnQXLrKd1gBe7MXHZVKEJpqUX3xJTlPtR9m5zh6nqMvE/ZlOrQAkMfOWzNKJM0OhScZTC6M= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1743515678; h=Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=0GHpUpnr2YZIDD4H5qtxU5LdBX/mWI3fmOQU4Yr2P28=; b=beIUMc97kX8GgM4/e6OBeoap1SAR+1/wugif3qVOWV5vPlugTm+kyAOtn99z4QiTeQ5HDfLbEWMRrD+aAadJIc9PI+v8Za59wq3gAyi29s1VNlXOiOpH8DUD/yByM81McqDhlH+tDiWDJLWHeYoCyTdOFxHDEnJ8kVOCL4d9xdQ= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass header.i=@intel.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=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1743515678858787.5745955198569; Tue, 1 Apr 2025 06:54:38 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1tzbsK-0005Gq-LS; Tue, 01 Apr 2025 09:41:56 -0400 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 1tzbro-00058O-Ia for qemu-devel@nongnu.org; Tue, 01 Apr 2025 09:41:26 -0400 Received: from mgamail.intel.com ([192.198.163.16]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1tzbrm-0006X0-7e for qemu-devel@nongnu.org; Tue, 01 Apr 2025 09:41:23 -0400 Received: from fmviesa008.fm.intel.com ([10.60.135.148]) by fmvoesa110.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 01 Apr 2025 06:41:20 -0700 Received: from lxy-clx-4s.sh.intel.com ([10.239.48.52]) by fmviesa008.fm.intel.com with ESMTP; 01 Apr 2025 06:41:18 -0700 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1743514882; x=1775050882; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=i9LA0fuEWyXT3xhCEP6n86n3NtpzUzrXs/78mYcqsME=; b=NLsqHaW0UWby1UHb3qiTdIBWf6u8n1Ktwu2J1PVk2aJJy1O23ygJXmx4 x4BR6LzS9Kr1BNXMay4LgOQR9wZfzxfkYy50ZXU+6Jt39TlQE4hKw98Th e4+zpN9dDKnL+TBsf6Jx5h5OoqcH1FdguMUYIm1DsElOIH5AtO3hM4AdU Sqv8gOA8F7YrOFs0OoU22KR8elg9kB5dv1ygoIXJPAuXjwfg6b7eogAoC ZA0UEyyZZosRDPyrZTK2+clNBuoFAQ4NdYD7pMtzjuAHh9g+BD12zZjQB A3M9TMdTHrXpWdgB82m+gSmUOsYaI3mR537IsUxaazkUbwYi586a7Pshm A==; X-CSE-ConnectionGUID: OmsCjFgVS3SJfMZXgu0+2Q== X-CSE-MsgGUID: Z+9eNUkrS/et3AqyGQplTw== X-IronPort-AV: E=McAfee;i="6700,10204,11391"; a="32433158" X-IronPort-AV: E=Sophos;i="6.14,293,1736841600"; d="scan'208";a="32433158" X-CSE-ConnectionGUID: vn0hOqBhTDSfHtohqswcNw== X-CSE-MsgGUID: b5K6H5e4T/OM8zToeGW7iQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.14,293,1736841600"; d="scan'208";a="126639879" From: Xiaoyao Li To: Paolo Bonzini , =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= Cc: "Michael S. Tsirkin" , Markus Armbruster , Francesco Lavra , Marcelo Tosatti , qemu-devel@nongnu.org, =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Rick Edgecombe , Xiaoyao Li Subject: [PATCH v8 04/55] i386/tdx: Implement tdx_kvm_init() to initialize TDX VM context Date: Tue, 1 Apr 2025 09:01:14 -0400 Message-Id: <20250401130205.2198253-5-xiaoyao.li@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250401130205.2198253-1-xiaoyao.li@intel.com> References: <20250401130205.2198253-1-xiaoyao.li@intel.com> 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=192.198.163.16; envelope-from=xiaoyao.li@intel.com; helo=mgamail.intel.com X-Spam_score_int: -43 X-Spam_score: -4.4 X-Spam_bar: ---- X-Spam_report: (-4.4 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.997, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, HK_RANDOM_ENVFROM=0.001, HK_RANDOM_FROM=0.999, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham 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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @intel.com) X-ZM-MESSAGEID: 1743515679854019000 Content-Type: text/plain; charset="utf-8" Implement TDX specific ConfidentialGuestSupportClass::kvm_init() callback, tdx_kvm_init(). Mark guest state is proctected for TDX VM. More TDX specific initialization will be added later. Signed-off-by: Xiaoyao Li Reviewed-by: Daniel P. Berrang=C3=A9 --- Changes in v6: - remove Acked-by from Gerd since the patch changed due to use ConfidentialGuestSupportClass::kvm_init(); --- target/i386/kvm/kvm.c | 11 +---------- target/i386/kvm/tdx.c | 10 ++++++++++ 2 files changed, 11 insertions(+), 10 deletions(-) diff --git a/target/i386/kvm/kvm.c b/target/i386/kvm/kvm.c index 4f1cfb529c19..1af4710556ad 100644 --- a/target/i386/kvm/kvm.c +++ b/target/i386/kvm/kvm.c @@ -3206,16 +3206,7 @@ int kvm_arch_init(MachineState *ms, KVMState *s) Error *local_err =3D NULL; =20 /* - * Initialize SEV context, if required - * - * If no memory encryption is requested (ms->cgs =3D=3D NULL) this is - * a no-op. - * - * It's also a no-op if a non-SEV confidential guest support - * mechanism is selected. SEV is the only mechanism available to - * select on x86 at present, so this doesn't arise, but if new - * mechanisms are supported in future (e.g. TDX), they'll need - * their own initialization either here or elsewhere. + * Initialize confidential guest (SEV/TDX) context, if required */ if (ms->cgs) { ret =3D confidential_guest_kvm_init(ms->cgs, &local_err); diff --git a/target/i386/kvm/tdx.c b/target/i386/kvm/tdx.c index d785c1f6d173..4ff94860815d 100644 --- a/target/i386/kvm/tdx.c +++ b/target/i386/kvm/tdx.c @@ -12,9 +12,17 @@ #include "qemu/osdep.h" #include "qom/object_interfaces.h" =20 +#include "hw/i386/x86.h" #include "kvm_i386.h" #include "tdx.h" =20 +static int tdx_kvm_init(ConfidentialGuestSupport *cgs, Error **errp) +{ + kvm_mark_guest_state_protected(); + + return 0; +} + static int tdx_kvm_type(X86ConfidentialGuest *cg) { /* Do the object check */ @@ -49,7 +57,9 @@ static void tdx_guest_finalize(Object *obj) =20 static void tdx_guest_class_init(ObjectClass *oc, void *data) { + ConfidentialGuestSupportClass *klass =3D CONFIDENTIAL_GUEST_SUPPORT_CL= ASS(oc); X86ConfidentialGuestClass *x86_klass =3D X86_CONFIDENTIAL_GUEST_CLASS(= oc); =20 + klass->kvm_init =3D tdx_kvm_init; x86_klass->kvm_type =3D tdx_kvm_type; } --=20 2.34.1