From nobody Sat Apr 5 17:43:56 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=1737725907; cv=none; d=zohomail.com; s=zohoarc; b=mejH949RbmeYNXrRP0E6vM9YSV3hMb0VjfacYxF6uqxHjtIpc2EhY1c4brc7HwNpU1+e6H3Uw+U0aYnXL+LpG15x9vw1rvPVD6jschjikVCRiPdGzyUUhp8TV2EabJstALWOM7U4RiyFJogTJG1eIH1RTb+s9dQ12jE5kl3SPDA= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1737725907; 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=SAAoEakPMwIWMSmjuETNFxsvt0JdFmR8ITG44xfusg0NBm5iuk/g7YN4WR19tsNodb01wFZNZ7AUvkZQoGr3fyw08owNRrR0kFo+qnlPJhHGy4HM7uUf8FQkYjvUjkqERCtMmVOGLWJFBkoB5ow41NU0hlIZaQ8PwBXPgsquUsM= 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 1737725907560355.255547557921; Fri, 24 Jan 2025 05:38:27 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1tbJsJ-0003kT-Gc; Fri, 24 Jan 2025 08:37:31 -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 1tbJs8-0003i7-AZ for qemu-devel@nongnu.org; Fri, 24 Jan 2025 08:37:21 -0500 Received: from mgamail.intel.com ([198.175.65.13]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1tbJs5-0003ri-Ow for qemu-devel@nongnu.org; Fri, 24 Jan 2025 08:37:19 -0500 Received: from fmviesa003.fm.intel.com ([10.60.135.143]) by orvoesa105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 Jan 2025 05:37:17 -0800 Received: from lxy-clx-4s.sh.intel.com ([10.239.48.52]) by fmviesa003.fm.intel.com with ESMTP; 24 Jan 2025 05:37:13 -0800 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1737725838; x=1769261838; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=i9LA0fuEWyXT3xhCEP6n86n3NtpzUzrXs/78mYcqsME=; b=UI/walX4vW/Rjgow9m+zAkNPRSOzqE06fZswG8x1nKRpaIhPF27Xc2LG S4C8b3TahPh4T9m5XT4CtAatAngBTtZoWmNwUkJSiSGySjtfWQul/mo5/ Da46BZjtw9N5m+NL/MCKphWHVu79CbXnZUaOkHQqoIWzAWH5i5DoEUsP6 4F9vE55qnrkUgl3Uoznmg/ybxi2v+3oMTZnmuNGw3x21eJKI5vmU7XWR1 1vdYZBMkjs93HDUppzio85WTXsacrnRJdsRrK9XJku/6rY0NRPdISiDAd 3rXvAc/gR7ENt1mdJJCHEGnIEne9VoFrS/8KqfMdtHpTBrttR0CMiwUWA g==; X-CSE-ConnectionGUID: rn6fDT0xRQ22i2Fk2+gPDw== X-CSE-MsgGUID: r357qZVSRK2iY9K+2QMAog== X-IronPort-AV: E=McAfee;i="6700,10204,11325"; a="49246204" X-IronPort-AV: E=Sophos;i="6.13,231,1732608000"; d="scan'208";a="49246204" X-CSE-ConnectionGUID: LXPp8NS6T+eY4He+6eGZug== X-CSE-MsgGUID: VaujTO9MSPe0H47yz7hBpg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.12,224,1728975600"; d="scan'208";a="111804141" From: Xiaoyao Li To: Paolo Bonzini , =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Igor Mammedov Cc: Zhao Liu , "Michael S. Tsirkin" , Eric Blake , Markus Armbruster , Peter Maydell , Marcelo Tosatti , Huacai Chen , Rick Edgecombe , Francesco Lavra , xiaoyao.li@intel.com, qemu-devel@nongnu.org, kvm@vger.kernel.org Subject: [PATCH v7 04/52] i386/tdx: Implement tdx_kvm_init() to initialize TDX VM context Date: Fri, 24 Jan 2025 08:20:00 -0500 Message-Id: <20250124132048.3229049-5-xiaoyao.li@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250124132048.3229049-1-xiaoyao.li@intel.com> References: <20250124132048.3229049-1-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=198.175.65.13; envelope-from=xiaoyao.li@intel.com; helo=mgamail.intel.com X-Spam_score_int: -63 X-Spam_score: -6.4 X-Spam_bar: ------ X-Spam_report: (-6.4 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-2.996, 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=0.998, 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, T_SCC_BODY_TEXT_LINE=-0.01 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: 1737725909705019100 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 --- 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