From patchwork Tue Jun 16 09:34:55 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eric Auger X-Patchwork-Id: 280400 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=-3.8 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,UNWANTED_LANGUAGE_BODY 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 8922BC433DF for ; Tue, 16 Jun 2020 09:37:01 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 5698720767 for ; Tue, 16 Jun 2020 09:37:01 +0000 (UTC) Authentication-Results: mail.kernel.org; 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Tue, 16 Jun 2020 09:35:17 +0000 (UTC) Received: from laptop.redhat.com (ovpn-114-197.ams2.redhat.com [10.36.114.197]) by smtp.corp.redhat.com (Postfix) with ESMTP id 470DC5C1BD; Tue, 16 Jun 2020 09:35:14 +0000 (UTC) From: Eric Auger To: eric.auger.pro@gmail.com, eric.auger@redhat.com, stefanb@linux.ibm.com, qemu-devel@nongnu.org, qemu-arm@nongnu.org, peter.maydell@linaro.org, mst@redhat.com, imammedo@redhat.com Subject: [PATCH v5 1/3] acpi: Some build_tpm2() code reshape Date: Tue, 16 Jun 2020 11:34:55 +0200 Message-Id: <20200616093457.24709-2-eric.auger@redhat.com> In-Reply-To: <20200616093457.24709-1-eric.auger@redhat.com> References: <20200616093457.24709-1-eric.auger@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=eric.auger@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=205.139.110.120; envelope-from=eric.auger@redhat.com; helo=us-smtp-1.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/06/16 02:45:54 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -30 X-Spam_score: -3.1 X-Spam_bar: --- X-Spam_report: (-3.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-1, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H4=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=_AUTOLEARN 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: thuth@redhat.com, lersek@redhat.com, drjones@redhat.com, shannon.zhaosl@gmail.com, marcandre.lureau@redhat.com, philmd@redhat.com, ardb@kernel.org Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Remove any reference to Acpi20TPM2 and adopt an implementation similar to build_ghes_v2(). Signed-off-by: Eric Auger Suggested-by: Igor Mammedov --- hw/acpi/aml-build.c | 45 ++++++++++++++++++++++++++------------------- 1 file changed, 26 insertions(+), 19 deletions(-) diff --git a/hw/acpi/aml-build.c b/hw/acpi/aml-build.c index 2cb7b991ef..6e2d7d19f9 100644 --- a/hw/acpi/aml-build.c +++ b/hw/acpi/aml-build.c @@ -1880,46 +1880,53 @@ build_hdr: void build_tpm2(GArray *table_data, BIOSLinker *linker, GArray *tcpalog) { - Acpi20TPM2 *tpm2_ptr = acpi_data_push(table_data, sizeof(AcpiTableHeader)); - unsigned log_addr_size = sizeof(tpm2_ptr->log_area_start_address); - unsigned log_addr_offset = - (char *)&tpm2_ptr->log_area_start_address - table_data->data; uint8_t start_method_params[12] = {}; + unsigned log_addr_offset, tpm2_start; + uint64_t control_area_start_address; TPMIf *tpmif = tpm_find(); + uint32_t start_method; + void *tpm2_ptr; - /* platform class */ + tpm2_start = table_data->len; + tpm2_ptr = acpi_data_push(table_data, sizeof(AcpiTableHeader)); + + /* Platform Class */ build_append_int_noprefix(table_data, TPM2_ACPI_CLASS_CLIENT, 2); - /* reserved */ + /* Reserved */ build_append_int_noprefix(table_data, 0, 2); if (TPM_IS_TIS_ISA(tpmif) || TPM_IS_TIS_SYSBUS(tpmif)) { - /* address of control area */ - build_append_int_noprefix(table_data, 0, 8); - /* start method */ - build_append_int_noprefix(table_data, TPM2_START_METHOD_MMIO, 4); + control_area_start_address = 0; + start_method = TPM2_START_METHOD_MMIO; } else if (TPM_IS_CRB(tpmif)) { - build_append_int_noprefix(table_data, TPM_CRB_ADDR_CTRL, 8); - build_append_int_noprefix(table_data, TPM2_START_METHOD_CRB, 4); + control_area_start_address = TPM_CRB_ADDR_CTRL; + start_method = TPM2_START_METHOD_CRB; } else { - g_warn_if_reached(); + g_assert_not_reached(); } + /* Address of Control Area */ + build_append_int_noprefix(table_data, control_area_start_address, 8); + /* Start Method */ + build_append_int_noprefix(table_data, start_method, 4); - /* platform specific parameters */ - g_array_append_vals(table_data, &start_method_params, 12); + /* Platform Specific Parameters */ + g_array_append_vals(table_data, &start_method_params, + ARRAY_SIZE(start_method_params)); - /* log area minimum length */ + /* Log Area Minimum Length */ build_append_int_noprefix(table_data, TPM_LOG_AREA_MINIMUM_SIZE, 4); acpi_data_push(tcpalog, TPM_LOG_AREA_MINIMUM_SIZE); bios_linker_loader_alloc(linker, ACPI_BUILD_TPMLOG_FILE, tcpalog, 1, false); - /* log area start address to be filled by Guest linker */ + log_addr_offset = table_data->len; build_append_int_noprefix(table_data, 0, 8); + /* Log Area Start Address to be filled by Guest linker */ bios_linker_loader_add_pointer(linker, ACPI_BUILD_TABLE_FILE, - log_addr_offset, log_addr_size, + log_addr_offset, 8, ACPI_BUILD_TPMLOG_FILE, 0); build_header(linker, table_data, - (void *)tpm2_ptr, "TPM2", sizeof(*tpm2_ptr), 4, NULL, NULL); + tpm2_ptr, "TPM2", table_data->len - tpm2_start, 4, NULL, NULL); } /* ACPI 5.0: 6.4.3.8.2 Serial Bus Connection Descriptors */