From patchwork Thu Sep 15 20:40:29 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jennifer Herbert X-Patchwork-Id: 12977781 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.xenproject.org (lists.xenproject.org [192.237.175.120]) (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 C99BAECAAA1 for ; Thu, 15 Sep 2022 20:41:36 +0000 (UTC) Received: from list by lists.xenproject.org with outflank-mailman.407667.650235 (Exim 4.92) (envelope-from ) id 1oYvfd-0005Wv-8P; Thu, 15 Sep 2022 20:41:13 +0000 X-Outflank-Mailman: Message body and most headers restored to incoming version Received: by outflank-mailman (output) from mailman id 407667.650235; Thu, 15 Sep 2022 20:41:13 +0000 Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1oYvfd-0005Wo-5M; Thu, 15 Sep 2022 20:41:13 +0000 Received: by outflank-mailman (input) for mailman id 407667; Thu, 15 Sep 2022 20:41:11 +0000 Received: from se1-gles-flk1-in.inumbo.com ([94.247.172.50] helo=se1-gles-flk1.inumbo.com) by lists.xenproject.org with esmtp (Exim 4.92) (envelope-from ) id 1oYvfb-0005Wf-BT for xen-devel@lists.xenproject.org; Thu, 15 Sep 2022 20:41:11 +0000 Received: from esa2.hc3370-68.iphmx.com (esa2.hc3370-68.iphmx.com [216.71.145.153]) by se1-gles-flk1.inumbo.com (Halon) with ESMTPS id b7c5d34b-3536-11ed-9761-273f2230c3a0; Thu, 15 Sep 2022 22:41:06 +0200 (CEST) X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: b7c5d34b-3536-11ed-9761-273f2230c3a0 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=citrix.com; s=securemail; t=1663274466; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=Iz134rqvwTvscS9CWxWtMb5PUbEKwnQkr/UCyWzFbGs=; b=beL7eLi1tIKmevNffmM2N5izb2P4SqCAFc370KXtCmjYYrwiYGxWU0eo +aVK8sXFhrII2xM5lCMIEqTEcPv4FDiVvaDDVVXYMVEUsBn0ewlXHmWvg cu4Vkh0Efg2wSH9PSY0b+TlibcjWkRVwkK/xDHYs8bvQHga4ByYINsq6C Q=; Authentication-Results: esa2.hc3370-68.iphmx.com; dkim=none (message not signed) header.i=none X-SBRS: 2.7 X-MesageID: 80632883 X-Ironport-Server: esa2.hc3370-68.iphmx.com X-Remote-IP: 162.221.156.83 X-Policy: $RELAYED IronPort-Data: A9a23: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 X-IronPort-AV: E=Sophos;i="5.93,319,1654574400"; d="scan'208";a="80632883" From: Jennifer Herbert To: , , , CC: , Jennifer Herbert Subject: [PATCH 2/2] acpi: Add TPM2 interface definition. Date: Thu, 15 Sep 2022 20:40:29 +0000 Message-ID: <20220915204029.1227112-2-jennifer.herbert@citrix.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20220915204029.1227112-1-jennifer.herbert@citrix.com> References: <0548fa97-5384-94e4-7329-b019e60555f4@citrix.com> <20220915204029.1227112-1-jennifer.herbert@citrix.com> MIME-Version: 1.0 This patch introduces an optional TPM 2 interface definition to the ACPI table, which is to be used as part of a vTPM 2 implementation. Signed-off-by: Jennifer Herbert Signed-off-by: Jennifer Herbert --- tools/firmware/hvmloader/config.h | 1 + tools/firmware/hvmloader/util.c | 7 ++++++ tools/libacpi/Makefile | 2 +- tools/libacpi/acpi2_0.h | 26 ++++++++++++++++++++++ tools/libacpi/build.c | 35 ++++++++++++++++++++++++++++++ tools/libacpi/libacpi.h | 1 + tools/libacpi/ssdt_tpm2.asl | 36 +++++++++++++++++++++++++++++++ 7 files changed, 107 insertions(+), 1 deletion(-) create mode 100644 tools/libacpi/ssdt_tpm2.asl diff --git a/tools/firmware/hvmloader/config.h b/tools/firmware/hvmloader/config.h index c82adf6dc5..4dec7195f0 100644 --- a/tools/firmware/hvmloader/config.h +++ b/tools/firmware/hvmloader/config.h @@ -56,6 +56,7 @@ extern uint8_t ioapic_version; #define PCI_ISA_IRQ_MASK 0x0c20U /* ISA IRQs 5,10,11 are PCI connected */ #define ACPI_TIS_HDR_ADDRESS 0xFED40F00UL +#define ACPI_CRB_HDR_ADDRESS 0xFED40034UL extern uint32_t pci_mem_start; extern const uint32_t pci_mem_end; diff --git a/tools/firmware/hvmloader/util.c b/tools/firmware/hvmloader/util.c index 87bc2d677f..6e5d3609b9 100644 --- a/tools/firmware/hvmloader/util.c +++ b/tools/firmware/hvmloader/util.c @@ -1009,6 +1009,13 @@ void hvmloader_acpi_build_tables(struct acpi_config *config, config->table_flags |= ACPI_HAS_TPM; config->tis_hdr = (uint16_t *)ACPI_TIS_HDR_ADDRESS; break; + case 2: + config->table_flags |= ACPI_HAS_TPM; + config->crb_hdr = (uint16_t *)ACPI_CRB_HDR_ADDRESS; + + mem_hole_populate_ram(TPM_LOG_AREA_ADDRESS >> PAGE_SHIFT, TPM_LOG_SIZE >> PAGE_SHIFT); + memset((void *)(TPM_LOG_AREA_ADDRESS), 0, TPM_LOG_SIZE); + break; } config->numa.nr_vmemranges = nr_vmemranges; diff --git a/tools/libacpi/Makefile b/tools/libacpi/Makefile index 60860eaa00..125f29fb54 100644 --- a/tools/libacpi/Makefile +++ b/tools/libacpi/Makefile @@ -25,7 +25,7 @@ C_SRC-$(CONFIG_X86) = dsdt_anycpu.c dsdt_15cpu.c dsdt_anycpu_qemu_xen.c dsdt_pvh C_SRC-$(CONFIG_ARM_64) = dsdt_anycpu_arm.c DSDT_FILES ?= $(C_SRC-y) C_SRC = $(addprefix $(ACPI_BUILD_DIR)/, $(DSDT_FILES)) -H_SRC = $(addprefix $(ACPI_BUILD_DIR)/, ssdt_s3.h ssdt_s4.h ssdt_pm.h ssdt_tpm.h ssdt_laptop_slate.h) +H_SRC = $(addprefix $(ACPI_BUILD_DIR)/, ssdt_s3.h ssdt_s4.h ssdt_pm.h ssdt_tpm.h ssdt_tpm2.h ssdt_laptop_slate.h) MKDSDT_CFLAGS-$(CONFIG_ARM_64) = -DCONFIG_ARM_64 MKDSDT_CFLAGS-$(CONFIG_X86) = -DCONFIG_X86 diff --git a/tools/libacpi/acpi2_0.h b/tools/libacpi/acpi2_0.h index 2619ba32db..f4eb4d715b 100644 --- a/tools/libacpi/acpi2_0.h +++ b/tools/libacpi/acpi2_0.h @@ -121,6 +121,30 @@ struct acpi_20_tcpa { }; #define ACPI_2_0_TCPA_LAML_SIZE (64*1024) +/* + * TPM2 + */ +struct acpi_20_tpm2 { + struct acpi_header header; + uint16_t platform_class; + uint16_t reserved; + uint64_t control_area_address; + uint32_t start_method; + uint8_t start_method_params[12]; + uint32_t log_area_minimum_length; + uint64_t log_area_start_address; +}; +#define TPM2_ACPI_CLASS_CLIENT 0 +#define TPM2_START_METHOD_CRB 7 + +#define TPM_CRB_ADDR_BASE 0xFED40000 +#define TPM_CRB_ADDR_CTRL (TPM_CRB_ADDR_BASE + 0x40) + +#define TPM_LOG_AREA_ADDRESS 0xFED50000 + +#define TPM_LOG_AREA_MINIMUM_SIZE (64 << 10) +#define TPM_LOG_SIZE (64 << 10) + /* * Fixed ACPI Description Table Structure (FADT) in ACPI 1.0. */ @@ -431,6 +455,7 @@ struct acpi_20_slit { #define ACPI_2_0_RSDT_SIGNATURE ASCII32('R','S','D','T') #define ACPI_2_0_XSDT_SIGNATURE ASCII32('X','S','D','T') #define ACPI_2_0_TCPA_SIGNATURE ASCII32('T','C','P','A') +#define ACPI_2_0_TPM2_SIGNATURE ASCII32('T','P','M','2') #define ACPI_2_0_HPET_SIGNATURE ASCII32('H','P','E','T') #define ACPI_2_0_WAET_SIGNATURE ASCII32('W','A','E','T') #define ACPI_2_0_SRAT_SIGNATURE ASCII32('S','R','A','T') @@ -444,6 +469,7 @@ struct acpi_20_slit { #define ACPI_2_0_RSDT_REVISION 0x01 #define ACPI_2_0_XSDT_REVISION 0x01 #define ACPI_2_0_TCPA_REVISION 0x02 +#define ACPI_2_0_TPM2_REVISION 0x04 #define ACPI_2_0_HPET_REVISION 0x01 #define ACPI_2_0_WAET_REVISION 0x01 #define ACPI_1_0_FADT_REVISION 0x01 diff --git a/tools/libacpi/build.c b/tools/libacpi/build.c index d313ccd8cf..d4f25a68d2 100644 --- a/tools/libacpi/build.c +++ b/tools/libacpi/build.c @@ -19,6 +19,7 @@ #include "ssdt_s3.h" #include "ssdt_s4.h" #include "ssdt_tpm.h" +#include "ssdt_tpm2.h" #include "ssdt_pm.h" #include "ssdt_laptop_slate.h" #include @@ -352,6 +353,7 @@ static int construct_secondary_tables(struct acpi_ctxt *ctxt, struct acpi_20_tcpa *tcpa; unsigned char *ssdt; void *lasa; + struct acpi_20_tpm2 *tpm2; /* MADT. */ if ( (config->hvminfo->nr_vcpus > 1) || config->hvminfo->apic_mode ) @@ -449,6 +451,39 @@ static int construct_secondary_tables(struct acpi_ctxt *ctxt, tcpa->header.length); } break; + + case 2: + if (!config->crb_hdr || + config->crb_hdr[0] == 0 || config->crb_hdr[0] == 0xffff) + break; + + ssdt = ctxt->mem_ops.alloc(ctxt, sizeof(ssdt_tpm2), 16); + if (!ssdt) return -1; + memcpy(ssdt, ssdt_tpm2, sizeof(ssdt_tpm2)); + table_ptrs[nr_tables++] = ctxt->mem_ops.v2p(ctxt, ssdt); + + tpm2 = ctxt->mem_ops.alloc(ctxt, sizeof(struct acpi_20_tpm2), 16); + if (!tpm2) return -1; + memset(tpm2, 0, sizeof(*tpm2)); + table_ptrs[nr_tables++] = ctxt->mem_ops.v2p(ctxt, tpm2); + + tpm2->header.signature = ACPI_2_0_TPM2_SIGNATURE; + tpm2->header.length = sizeof(*tpm2); + tpm2->header.revision = ACPI_2_0_TPM2_REVISION; + fixed_strcpy(tpm2->header.oem_id, ACPI_OEM_ID); + fixed_strcpy(tpm2->header.oem_table_id, ACPI_OEM_TABLE_ID); + tpm2->header.oem_revision = ACPI_OEM_REVISION; + tpm2->header.creator_id = ACPI_CREATOR_ID; + tpm2->header.creator_revision = ACPI_CREATOR_REVISION; + tpm2->platform_class = TPM2_ACPI_CLASS_CLIENT; + tpm2->control_area_address = TPM_CRB_ADDR_CTRL; + tpm2->start_method = TPM2_START_METHOD_CRB; + tpm2->log_area_minimum_length = TPM_LOG_AREA_MINIMUM_SIZE; + tpm2->log_area_start_address = TPM_LOG_AREA_ADDRESS; + + set_checksum(tpm2, + offsetof(struct acpi_header, checksum), + tpm2->header.length); } } diff --git a/tools/libacpi/libacpi.h b/tools/libacpi/libacpi.h index 9143616130..b5d08ff09b 100644 --- a/tools/libacpi/libacpi.h +++ b/tools/libacpi/libacpi.h @@ -80,6 +80,7 @@ struct acpi_config { uint8_t tpm_version; const uint16_t *tis_hdr; + const uint16_t *crb_hdr; /* * Address where acpi_info should be placed. * This must match the OperationRegion(BIOS, SystemMemory, ....) diff --git a/tools/libacpi/ssdt_tpm2.asl b/tools/libacpi/ssdt_tpm2.asl new file mode 100644 index 0000000000..1801c338df --- /dev/null +++ b/tools/libacpi/ssdt_tpm2.asl @@ -0,0 +1,36 @@ +/* + * ssdt_tpm2.asl + * + * Copyright (c) 2018-2022, Citrix Systems, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License as published + * by the Free Software Foundation; version 2.1 only. with the special + * exception on linking described in file LICENSE. + * + * 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 Lesser General Public License for more details. + */ + +/* SSDT for TPM CRB Interface for Xen with Qemu device model. */ + +DefinitionBlock ("SSDT_TPM2.aml", "SSDT", 2, "Xen", "HVM", 0) +{ + Device (TPM) + { + Name (_HID, "MSFT0101" /* TPM 2.0 Security Device */) // _HID: Hardware ID + Name (_CRS, ResourceTemplate () // _CRS: Current Resource Settings + { + Memory32Fixed (ReadWrite, + 0xFED40000, // Address Base + 0x00001000, // Address Length + ) + }) + Method (_STA, 0, NotSerialized) // _STA: Status + { + Return (0x0F) + } + } +}