From patchwork Tue Feb 16 02:13:13 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Isaku Yamahata X-Patchwork-Id: 12089457 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=ham 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 06893C433E0 for ; Tue, 16 Feb 2021 02:20:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C908064DE8 for ; Tue, 16 Feb 2021 02:20:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230125AbhBPCTp (ORCPT ); Mon, 15 Feb 2021 21:19:45 -0500 Received: from mga06.intel.com ([134.134.136.31]:39372 "EHLO mga06.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229996AbhBPCRM (ORCPT ); Mon, 15 Feb 2021 21:17:12 -0500 IronPort-SDR: UtH7T7wxBlzcdVvcHu2WcNzDc9Sw+ZoFV3fLFh4k3ZS3U+VEVeADT0e5Ynq9mWfpbmDGFDNUhV M4yRxtTdk3EQ== X-IronPort-AV: E=McAfee;i="6000,8403,9896"; a="244270211" X-IronPort-AV: E=Sophos;i="5.81,182,1610438400"; d="scan'208";a="244270211" Received: from fmsmga005.fm.intel.com ([10.253.24.32]) by orsmga104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 15 Feb 2021 18:14:53 -0800 IronPort-SDR: uEIPyVgNqxoWCeAX+jQvySajVlslnR9m4TdcajA4n8gB76HoJvujnUPoO9HBoMENmZqIAuGUae tX0mtOagF+iQ== X-IronPort-AV: E=Sophos;i="5.81,182,1610438400"; d="scan'208";a="591705436" Received: from ls.sc.intel.com (HELO localhost) ([143.183.96.54]) by fmsmga005-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 15 Feb 2021 18:14:53 -0800 From: Isaku Yamahata 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 Cc: kvm@vger.kernel.org, isaku.yamahata@gmail.com, isaku.yamahata@intel.com, Sean Christopherson Subject: [RFC PATCH 17/23] i386/tdx: Add definitions for TDVF metadata Date: Mon, 15 Feb 2021 18:13:13 -0800 Message-Id: <6de1c04f79d4a5626429aa86feb1ea1b992f625c.1613188118.git.isaku.yamahata@intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: References: In-Reply-To: References: Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org Add constants and structs for the TD Virtual Firmware metadata, which describes how the TDVF must be built to ensure correct functionality and measurement. Signed-off-by: Isaku Yamahata Co-developed-by: Sean Christopherson Signed-off-by: Sean Christopherson --- include/hw/i386/tdvf.h | 55 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 55 insertions(+) create mode 100644 include/hw/i386/tdvf.h diff --git a/include/hw/i386/tdvf.h b/include/hw/i386/tdvf.h new file mode 100644 index 0000000000..5c78e2affb --- /dev/null +++ b/include/hw/i386/tdvf.h @@ -0,0 +1,55 @@ +/* + * SPDX-License-Identifier: GPL-2.0-or-later + + * Copyright (c) 2020 Intel Corporation + * Author: Isaku Yamahata + * + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + + * You should have received a copy of the GNU General Public License along + * with this program; if not, see . + */ + +#ifndef HW_I386_TDVF_H +#define HW_I386_TDVF_H + +#include "qemu/osdep.h" + +#define TDVF_METDATA_OFFSET_FROM_END 0x20 + +#define TDVF_SECTION_TYPE_BFV 0 +#define TDVF_SECTION_TYPE_CFV 1 +#define TDVF_SECTION_TYPE_TD_HOB 2 +#define TDVF_SECTION_TYPE_TEMP_MEM 3 + +#define TDVF_SECTION_ATTRIBUTES_EXTENDMR (1U << 0) + +typedef struct { + uint32_t DataOffset; + uint32_t RawDataSize; + uint64_t MemoryAddress; + uint64_t MemoryDataSize; + uint32_t Type; + uint32_t Attributes; +} TdvfSectionEntry; + +#define TDVF_SIGNATURE_LE32 0x46564454 /* TDVF as little endian */ + +typedef struct { + uint8_t Signature[4]; + uint32_t Length; + uint32_t Version; + uint32_t NumberOfSectionEntries; + TdvfSectionEntry SectionEntries[]; +} TdvfMetadata; + +#endif /* HW_I386_TDVF_H */