From patchwork Thu Mar 14 15:22:52 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Igor Mammedov X-Patchwork-Id: 13592556 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.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 smtp.lore.kernel.org (Postfix) with ESMTPS id 45662C54E67 for ; Thu, 14 Mar 2024 15:25:34 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1rkmvm-0007Zg-GM; Thu, 14 Mar 2024 11:23:42 -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 1rkmvW-0007LV-W3 for qemu-devel@nongnu.org; Thu, 14 Mar 2024 11:23:27 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1rkmvU-0003mE-Dv for qemu-devel@nongnu.org; Thu, 14 Mar 2024 11:23:26 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1710429803; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=OSnxaerN4ymPyyrFZ6x5LyHjUj2REWh+i9PPy27zBTc=; b=XtOUS1z96kxfkj0YNe0ApYDZIXKPRd05uKQCV/KjcZT3mwNmrqbvaGGjEiSEWyvjOXzU6w NE/d4GuZAzD5Ezenp5ECeNHEsPRjW5prdQgP7uL7Z6wSW1soQ6D4sN0raRvbVNs8rusKrv IGeD9MY4IqDBwv2gc9YMFlv34zOqA9c= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-120-BQwaL-s3PfKFMhrrybztuA-1; Thu, 14 Mar 2024 11:23:21 -0400 X-MC-Unique: BQwaL-s3PfKFMhrrybztuA-1 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.rdu2.redhat.com [10.11.54.5]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 7DF57186E1C1 for ; Thu, 14 Mar 2024 15:23:16 +0000 (UTC) Received: from dell-r430-03.lab.eng.brq2.redhat.com (dell-r430-03.lab.eng.brq2.redhat.com [10.37.153.18]) by smtp.corp.redhat.com (Postfix) with ESMTP id 9D78D16A9A; Thu, 14 Mar 2024 15:23:15 +0000 (UTC) From: Igor Mammedov To: qemu-devel@nongnu.org Cc: mst@redhat.com, Ani Sinha Subject: [PATCH v4 11/21] smbios: build legacy mode code only for 'pc' machine Date: Thu, 14 Mar 2024 16:22:52 +0100 Message-Id: <20240314152302.2324164-12-imammedo@redhat.com> In-Reply-To: <20240314152302.2324164-1-imammedo@redhat.com> References: <20240314152302.2324164-1-imammedo@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.5 Received-SPF: pass client-ip=170.10.133.124; envelope-from=imammedo@redhat.com; helo=us-smtp-delivery-124.mimecast.com 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=-0.987, 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=0.001, RCVD_IN_MSPIKE_WL=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+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org basically moving code around without functional change. And exposing some symbols so that they could be shared between smbbios.c and new smbios_legacy.c plus some meson magic to build smbios_legacy.c only for 'pc' machine and otherwise replace it with stub if not selected. Signed-off-by: Igor Mammedov Reviewed-by: Ani Sinha --- v2: moved type0/type1/have_binfile_bitmap/have_fields_bitmap rename into a separate patch v3: drop blank space at the end of hw/smbios/smbios_legacy_stub.c --- include/hw/firmware/smbios.h | 5 + hw/i386/Kconfig | 1 + hw/smbios/Kconfig | 2 + hw/smbios/meson.build | 4 + hw/smbios/smbios.c | 164 +----------------------------- hw/smbios/smbios_legacy.c | 179 +++++++++++++++++++++++++++++++++ hw/smbios/smbios_legacy_stub.c | 15 +++ 7 files changed, 207 insertions(+), 163 deletions(-) create mode 100644 hw/smbios/smbios_legacy.c create mode 100644 hw/smbios/smbios_legacy_stub.c diff --git a/include/hw/firmware/smbios.h b/include/hw/firmware/smbios.h index 05707c6341..ccc51e72f5 100644 --- a/include/hw/firmware/smbios.h +++ b/include/hw/firmware/smbios.h @@ -17,6 +17,9 @@ * */ +extern uint8_t *usr_blobs; +extern GArray *usr_blobs_sizes; + typedef struct { const char *vendor, *version, *date; bool have_major_minor, uefi; @@ -323,6 +326,8 @@ struct smbios_type_127 { struct smbios_structure_header header; } QEMU_PACKED; +void smbios_validate_table(void); +void smbios_add_usr_blob_size(size_t size); void smbios_entry_add(QemuOpts *opts, Error **errp); void smbios_set_cpuid(uint32_t version, uint32_t features); void smbios_set_defaults(const char *manufacturer, const char *product, diff --git a/hw/i386/Kconfig b/hw/i386/Kconfig index a1846be6f7..a6ee052f9a 100644 --- a/hw/i386/Kconfig +++ b/hw/i386/Kconfig @@ -76,6 +76,7 @@ config I440FX select PIIX select DIMM select SMBIOS + select SMBIOS_LEGACY select FW_CFG_DMA config ISAPC diff --git a/hw/smbios/Kconfig b/hw/smbios/Kconfig index 553adf4bfc..8d989a2f1b 100644 --- a/hw/smbios/Kconfig +++ b/hw/smbios/Kconfig @@ -1,2 +1,4 @@ config SMBIOS bool +config SMBIOS_LEGACY + bool diff --git a/hw/smbios/meson.build b/hw/smbios/meson.build index 7046967462..a59039f669 100644 --- a/hw/smbios/meson.build +++ b/hw/smbios/meson.build @@ -4,5 +4,9 @@ smbios_ss.add(when: 'CONFIG_IPMI', if_true: files('smbios_type_38.c'), if_false: files('smbios_type_38-stub.c')) +smbios_ss.add(when: 'CONFIG_SMBIOS_LEGACY', + if_true: files('smbios_legacy.c'), + if_false: files('smbios_legacy_stub.c')) + system_ss.add_all(when: 'CONFIG_SMBIOS', if_true: smbios_ss) system_ss.add(when: 'CONFIG_SMBIOS', if_false: files('smbios-stub.c')) diff --git a/hw/smbios/smbios.c b/hw/smbios/smbios.c index e93b8f9cb1..f9efe01233 100644 --- a/hw/smbios/smbios.c +++ b/hw/smbios/smbios.c @@ -31,38 +31,12 @@ #include "hw/pci/pci_device.h" #include "smbios_build.h" -/* legacy structures and constants for <= 2.0 machines */ -struct smbios_header { - uint16_t length; - uint8_t type; -} QEMU_PACKED; - -struct smbios_field { - struct smbios_header header; - uint8_t type; - uint16_t offset; - uint8_t data[]; -} QEMU_PACKED; - -struct smbios_table { - struct smbios_header header; - uint8_t data[]; -} QEMU_PACKED; - -#define SMBIOS_FIELD_ENTRY 0 -#define SMBIOS_TABLE_ENTRY 1 - -static uint8_t *smbios_entries; -static size_t smbios_entries_len; static bool smbios_uuid_encoded = true; -/* end: legacy structures & constants for <= 2.0 machines */ - /* * SMBIOS tables provided by user with '-smbios file=' option */ uint8_t *usr_blobs; size_t usr_blobs_len; -static GArray *usr_blobs_sizes; static unsigned usr_table_max; static unsigned usr_table_cnt; @@ -546,7 +520,7 @@ static void smbios_check_type4_count(uint32_t expected_t4_count) } } -static void smbios_validate_table(void) +void smbios_validate_table(void) { if (smbios_ep_type == SMBIOS_ENTRY_POINT_TYPE_32 && smbios_tables_len > SMBIOS_21_MAX_TABLES_LEN) { @@ -556,134 +530,6 @@ static void smbios_validate_table(void) } } - -/* legacy setup functions for <= 2.0 machines */ -static void smbios_add_field(int type, int offset, const void *data, size_t len) -{ - struct smbios_field *field; - - if (!smbios_entries) { - smbios_entries_len = sizeof(uint16_t); - smbios_entries = g_malloc0(smbios_entries_len); - } - smbios_entries = g_realloc(smbios_entries, smbios_entries_len + - sizeof(*field) + len); - field = (struct smbios_field *)(smbios_entries + smbios_entries_len); - field->header.type = SMBIOS_FIELD_ENTRY; - field->header.length = cpu_to_le16(sizeof(*field) + len); - - field->type = type; - field->offset = cpu_to_le16(offset); - memcpy(field->data, data, len); - - smbios_entries_len += sizeof(*field) + len; - (*(uint16_t *)smbios_entries) = - cpu_to_le16(le16_to_cpu(*(uint16_t *)smbios_entries) + 1); -} - -static void smbios_maybe_add_str(int type, int offset, const char *data) -{ - if (data) { - smbios_add_field(type, offset, data, strlen(data) + 1); - } -} - -static void smbios_build_type_0_fields(void) -{ - smbios_maybe_add_str(0, offsetof(struct smbios_type_0, vendor_str), - smbios_type0.vendor); - smbios_maybe_add_str(0, offsetof(struct smbios_type_0, bios_version_str), - smbios_type0.version); - smbios_maybe_add_str(0, offsetof(struct smbios_type_0, - bios_release_date_str), - smbios_type0.date); - if (smbios_type0.have_major_minor) { - smbios_add_field(0, offsetof(struct smbios_type_0, - system_bios_major_release), - &smbios_type0.major, 1); - smbios_add_field(0, offsetof(struct smbios_type_0, - system_bios_minor_release), - &smbios_type0.minor, 1); - } -} - -static void smbios_build_type_1_fields(void) -{ - smbios_maybe_add_str(1, offsetof(struct smbios_type_1, manufacturer_str), - smbios_type1.manufacturer); - smbios_maybe_add_str(1, offsetof(struct smbios_type_1, product_name_str), - smbios_type1.product); - smbios_maybe_add_str(1, offsetof(struct smbios_type_1, version_str), - smbios_type1.version); - smbios_maybe_add_str(1, offsetof(struct smbios_type_1, serial_number_str), - smbios_type1.serial); - smbios_maybe_add_str(1, offsetof(struct smbios_type_1, sku_number_str), - smbios_type1.sku); - smbios_maybe_add_str(1, offsetof(struct smbios_type_1, family_str), - smbios_type1.family); - if (qemu_uuid_set) { - /* We don't encode the UUID in the "wire format" here because this - * function is for legacy mode and needs to keep the guest ABI, and - * because we don't know what's the SMBIOS version advertised by the - * BIOS. - */ - smbios_add_field(1, offsetof(struct smbios_type_1, uuid), - &qemu_uuid, 16); - } -} - -uint8_t *smbios_get_table_legacy(size_t *length) -{ - int i; - size_t usr_offset; - - /* also complain if fields were given for types > 1 */ - if (find_next_bit(smbios_have_fields_bitmap, - SMBIOS_MAX_TYPE + 1, 2) < SMBIOS_MAX_TYPE + 1) { - error_report("can't process fields for smbios " - "types > 1 on machine versions < 2.1!"); - exit(1); - } - - if (test_bit(4, smbios_have_binfile_bitmap)) { - error_report("can't process table for smbios " - "type 4 on machine versions < 2.1!"); - exit(1); - } - - g_free(smbios_entries); - smbios_entries_len = sizeof(uint16_t); - smbios_entries = g_malloc0(smbios_entries_len); - - for (i = 0, usr_offset = 0; usr_blobs_sizes && i < usr_blobs_sizes->len; - i++) - { - struct smbios_table *table; - struct smbios_structure_header *header; - size_t size = g_array_index(usr_blobs_sizes, size_t, i); - - header = (struct smbios_structure_header *)(usr_blobs + usr_offset); - smbios_entries = g_realloc(smbios_entries, smbios_entries_len + - size + sizeof(*table)); - table = (struct smbios_table *)(smbios_entries + smbios_entries_len); - table->header.type = SMBIOS_TABLE_ENTRY; - table->header.length = cpu_to_le16(sizeof(*table) + size); - memcpy(table->data, header, size); - smbios_entries_len += sizeof(*table) + size; - (*(uint16_t *)smbios_entries) = - cpu_to_le16(le16_to_cpu(*(uint16_t *)smbios_entries) + 1); - usr_offset += size; - } - - smbios_build_type_0_fields(); - smbios_build_type_1_fields(); - smbios_validate_table(); - *length = smbios_entries_len; - return smbios_entries; -} -/* end: legacy setup functions for <= 2.0 machines */ - - bool smbios_skip_table(uint8_t type, bool required_table) { if (test_bit(type, smbios_have_binfile_bitmap)) { @@ -1403,14 +1249,6 @@ static bool save_opt_list(size_t *ndest, char ***dest, QemuOpts *opts, return true; } -static void smbios_add_usr_blob_size(size_t size) -{ - if (!usr_blobs_sizes) { - usr_blobs_sizes = g_array_new(false, false, sizeof(size_t)); - } - g_array_append_val(usr_blobs_sizes, size); -} - void smbios_entry_add(QemuOpts *opts, Error **errp) { const char *val; diff --git a/hw/smbios/smbios_legacy.c b/hw/smbios/smbios_legacy.c new file mode 100644 index 0000000000..21f143e738 --- /dev/null +++ b/hw/smbios/smbios_legacy.c @@ -0,0 +1,179 @@ +/* + * SMBIOS legacy support + * + * Copyright (C) 2009 Hewlett-Packard Development Company, L.P. + * Copyright (C) 2013 Red Hat, Inc. + * + * Authors: + * Alex Williamson + * Markus Armbruster + * + * This work is licensed under the terms of the GNU GPL, version 2. See + * the COPYING file in the top-level directory. + * + * Contributions after 2012-01-13 are licensed under the terms of the + * GNU GPL, version 2 or (at your option) any later version. + */ + +#include "qemu/osdep.h" +#include "qemu/bswap.h" +#include "hw/firmware/smbios.h" +#include "sysemu/sysemu.h" +#include "qemu/error-report.h" + +struct smbios_header { + uint16_t length; + uint8_t type; +} QEMU_PACKED; + +struct smbios_field { + struct smbios_header header; + uint8_t type; + uint16_t offset; + uint8_t data[]; +} QEMU_PACKED; + +struct smbios_table { + struct smbios_header header; + uint8_t data[]; +} QEMU_PACKED; + +#define SMBIOS_FIELD_ENTRY 0 +#define SMBIOS_TABLE_ENTRY 1 + +static uint8_t *smbios_entries; +static size_t smbios_entries_len; +GArray *usr_blobs_sizes; + +void smbios_add_usr_blob_size(size_t size) +{ + if (!usr_blobs_sizes) { + usr_blobs_sizes = g_array_new(false, false, sizeof(size_t)); + } + g_array_append_val(usr_blobs_sizes, size); +} + +static void smbios_add_field(int type, int offset, const void *data, size_t len) +{ + struct smbios_field *field; + + if (!smbios_entries) { + smbios_entries_len = sizeof(uint16_t); + smbios_entries = g_malloc0(smbios_entries_len); + } + smbios_entries = g_realloc(smbios_entries, smbios_entries_len + + sizeof(*field) + len); + field = (struct smbios_field *)(smbios_entries + smbios_entries_len); + field->header.type = SMBIOS_FIELD_ENTRY; + field->header.length = cpu_to_le16(sizeof(*field) + len); + + field->type = type; + field->offset = cpu_to_le16(offset); + memcpy(field->data, data, len); + + smbios_entries_len += sizeof(*field) + len; + (*(uint16_t *)smbios_entries) = + cpu_to_le16(le16_to_cpu(*(uint16_t *)smbios_entries) + 1); +} + +static void smbios_maybe_add_str(int type, int offset, const char *data) +{ + if (data) { + smbios_add_field(type, offset, data, strlen(data) + 1); + } +} + +static void smbios_build_type_0_fields(void) +{ + smbios_maybe_add_str(0, offsetof(struct smbios_type_0, vendor_str), + smbios_type0.vendor); + smbios_maybe_add_str(0, offsetof(struct smbios_type_0, bios_version_str), + smbios_type0.version); + smbios_maybe_add_str(0, offsetof(struct smbios_type_0, + bios_release_date_str), + smbios_type0.date); + if (smbios_type0.have_major_minor) { + smbios_add_field(0, offsetof(struct smbios_type_0, + system_bios_major_release), + &smbios_type0.major, 1); + smbios_add_field(0, offsetof(struct smbios_type_0, + system_bios_minor_release), + &smbios_type0.minor, 1); + } +} + +static void smbios_build_type_1_fields(void) +{ + smbios_maybe_add_str(1, offsetof(struct smbios_type_1, manufacturer_str), + smbios_type1.manufacturer); + smbios_maybe_add_str(1, offsetof(struct smbios_type_1, product_name_str), + smbios_type1.product); + smbios_maybe_add_str(1, offsetof(struct smbios_type_1, version_str), + smbios_type1.version); + smbios_maybe_add_str(1, offsetof(struct smbios_type_1, serial_number_str), + smbios_type1.serial); + smbios_maybe_add_str(1, offsetof(struct smbios_type_1, sku_number_str), + smbios_type1.sku); + smbios_maybe_add_str(1, offsetof(struct smbios_type_1, family_str), + smbios_type1.family); + if (qemu_uuid_set) { + /* + * We don't encode the UUID in the "wire format" here because this + * function is for legacy mode and needs to keep the guest ABI, and + * because we don't know what's the SMBIOS version advertised by the + * BIOS. + */ + smbios_add_field(1, offsetof(struct smbios_type_1, uuid), + &qemu_uuid, 16); + } +} + +uint8_t *smbios_get_table_legacy(size_t *length) +{ + int i; + size_t usr_offset; + + /* complain if fields were given for types > 1 */ + if (find_next_bit(smbios_have_fields_bitmap, + SMBIOS_MAX_TYPE + 1, 2) < SMBIOS_MAX_TYPE + 1) { + error_report("can't process fields for smbios " + "types > 1 on machine versions < 2.1!"); + exit(1); + } + + if (test_bit(4, smbios_have_binfile_bitmap)) { + error_report("can't process table for smbios " + "type 4 on machine versions < 2.1!"); + exit(1); + } + + g_free(smbios_entries); + smbios_entries_len = sizeof(uint16_t); + smbios_entries = g_malloc0(smbios_entries_len); + + for (i = 0, usr_offset = 0; usr_blobs_sizes && i < usr_blobs_sizes->len; + i++) + { + struct smbios_table *table; + struct smbios_structure_header *header; + size_t size = g_array_index(usr_blobs_sizes, size_t, i); + + header = (struct smbios_structure_header *)(usr_blobs + usr_offset); + smbios_entries = g_realloc(smbios_entries, smbios_entries_len + + size + sizeof(*table)); + table = (struct smbios_table *)(smbios_entries + smbios_entries_len); + table->header.type = SMBIOS_TABLE_ENTRY; + table->header.length = cpu_to_le16(sizeof(*table) + size); + memcpy(table->data, header, size); + smbios_entries_len += sizeof(*table) + size; + (*(uint16_t *)smbios_entries) = + cpu_to_le16(le16_to_cpu(*(uint16_t *)smbios_entries) + 1); + usr_offset += size; + } + + smbios_build_type_0_fields(); + smbios_build_type_1_fields(); + smbios_validate_table(); + *length = smbios_entries_len; + return smbios_entries; +} diff --git a/hw/smbios/smbios_legacy_stub.c b/hw/smbios/smbios_legacy_stub.c new file mode 100644 index 0000000000..f29b15316c --- /dev/null +++ b/hw/smbios/smbios_legacy_stub.c @@ -0,0 +1,15 @@ +/* + * IPMI SMBIOS firmware handling + * + * Copyright (c) 2024 Igor Mammedov, Red Hat, Inc. + * + * This work is licensed under the terms of the GNU GPL, version 2 or later. + * See the COPYING file in the top-level directory. + */ + +#include "qemu/osdep.h" +#include "hw/firmware/smbios.h" + +void smbios_add_usr_blob_size(size_t size) +{ +}