| /* |
| * SMBIOS Support |
| * |
| * Copyright (C) 2009 Hewlett-Packard Development Company, L.P. |
| * Copyright (C) 2013 Red Hat, Inc. |
| * |
| * Authors: |
| * Alex Williamson <alex.williamson@hp.com> |
| * Markus Armbruster <armbru@redhat.com> |
| * |
| * 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 "qapi/error.h" |
| #include "qemu/config-file.h" |
| #include "qemu/error-report.h" |
| #include "sysemu/sysemu.h" |
| #include "sysemu/cpus.h" |
| #include "hw/smbios/smbios.h" |
| #include "hw/loader.h" |
| #include "exec/cpu-common.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_legacy = true; |
| static bool smbios_uuid_encoded = true; |
| /* end: legacy structures & constants for <= 2.0 machines */ |
| |
| |
| static uint8_t *smbios_tables; |
| static size_t smbios_tables_len; |
| static unsigned smbios_table_max; |
| static unsigned smbios_table_cnt; |
| static SmbiosEntryPointType smbios_ep_type = SMBIOS_ENTRY_POINT_21; |
| |
| static SmbiosEntryPoint ep; |
| |
| static int smbios_type4_count = 0; |
| static bool smbios_immutable; |
| static bool smbios_have_defaults; |
| static uint32_t smbios_cpuid_version, smbios_cpuid_features, smbios_smp_sockets; |
| |
| static DECLARE_BITMAP(have_binfile_bitmap, SMBIOS_MAX_TYPE+1); |
| static DECLARE_BITMAP(have_fields_bitmap, SMBIOS_MAX_TYPE+1); |
| |
| static struct { |
| const char *vendor, *version, *date; |
| bool have_major_minor, uefi; |
| uint8_t major, minor; |
| } type0; |
| |
| static struct { |
| const char *manufacturer, *product, *version, *serial, *sku, *family; |
| /* uuid is in qemu_uuid[] */ |
| } type1; |
| |
| static struct { |
| const char *manufacturer, *product, *version, *serial, *asset, *location; |
| } type2; |
| |
| static struct { |
| const char *manufacturer, *version, *serial, *asset, *sku; |
| } type3; |
| |
| static struct { |
| const char *sock_pfx, *manufacturer, *version, *serial, *asset, *part; |
| } type4; |
| |
| static struct { |
| const char *loc_pfx, *bank, *manufacturer, *serial, *asset, *part; |
| uint16_t speed; |
| } type17; |
| |
| static QemuOptsList qemu_smbios_opts = { |
| .name = "smbios", |
| .head = QTAILQ_HEAD_INITIALIZER(qemu_smbios_opts.head), |
| .desc = { |
| /* |
| * no elements => accept any params |
| * validation will happen later |
| */ |
| { /* end of list */ } |
| } |
| }; |
| |
| static const QemuOptDesc qemu_smbios_file_opts[] = { |
| { |
| .name = "file", |
| .type = QEMU_OPT_STRING, |
| .help = "binary file containing an SMBIOS element", |
| }, |
| { /* end of list */ } |
| }; |
| |
| static const QemuOptDesc qemu_smbios_type0_opts[] = { |
| { |
| .name = "type", |
| .type = QEMU_OPT_NUMBER, |
| .help = "SMBIOS element type", |
| },{ |
| .name = "vendor", |
| .type = QEMU_OPT_STRING, |
| .help = "vendor name", |
| },{ |
| .name = "version", |
| .type = QEMU_OPT_STRING, |
| .help = "version number", |
| },{ |
| .name = "date", |
| .type = QEMU_OPT_STRING, |
| .help = "release date", |
| },{ |
| .name = "release", |
| .type = QEMU_OPT_STRING, |
| .help = "revision number", |
| },{ |
| .name = "uefi", |
| .type = QEMU_OPT_BOOL, |
| .help = "uefi support", |
| }, |
| { /* end of list */ } |
| }; |
| |
| static const QemuOptDesc qemu_smbios_type1_opts[] = { |
| { |
| .name = "type", |
| .type = QEMU_OPT_NUMBER, |
| .help = "SMBIOS element type", |
| },{ |
| .name = "manufacturer", |
| .type = QEMU_OPT_STRING, |
| .help = "manufacturer name", |
| },{ |
| .name = "product", |
| .type = QEMU_OPT_STRING, |
| .help = "product name", |
| },{ |
| .name = "version", |
| .type = QEMU_OPT_STRING, |
| .help = "version number", |
| },{ |
| .name = "serial", |
| .type = QEMU_OPT_STRING, |
| .help = "serial number", |
| },{ |
| .name = "uuid", |
| .type = QEMU_OPT_STRING, |
| .help = "UUID", |
| },{ |
| .name = "sku", |
| .type = QEMU_OPT_STRING, |
| .help = "SKU number", |
| },{ |
| .name = "family", |
| .type = QEMU_OPT_STRING, |
| .help = "family name", |
| }, |
| { /* end of list */ } |
| }; |
| |
| static const QemuOptDesc qemu_smbios_type2_opts[] = { |
| { |
| .name = "type", |
| .type = QEMU_OPT_NUMBER, |
| .help = "SMBIOS element type", |
| },{ |
| .name = "manufacturer", |
| .type = QEMU_OPT_STRING, |
| .help = "manufacturer name", |
| },{ |
| .name = "product", |
| .type = QEMU_OPT_STRING, |
| .help = "product name", |
| },{ |
| .name = "version", |
| .type = QEMU_OPT_STRING, |
| .help = "version number", |
| },{ |
| .name = "serial", |
| .type = QEMU_OPT_STRING, |
| .help = "serial number", |
| },{ |
| .name = "asset", |
| .type = QEMU_OPT_STRING, |
| .help = "asset tag number", |
| },{ |
| .name = "location", |
| .type = QEMU_OPT_STRING, |
| .help = "location in chassis", |
| }, |
| { /* end of list */ } |
| }; |
| |
| static const QemuOptDesc qemu_smbios_type3_opts[] = { |
| { |
| .name = "type", |
| .type = QEMU_OPT_NUMBER, |
| .help = "SMBIOS element type", |
| },{ |
| .name = "manufacturer", |
| .type = QEMU_OPT_STRING, |
| .help = "manufacturer name", |
| },{ |
| .name = "version", |
| .type = QEMU_OPT_STRING, |
| .help = "version number", |
| },{ |
| .name = "serial", |
| .type = QEMU_OPT_STRING, |
| .help = "serial number", |
| },{ |
| .name = "asset", |
| .type = QEMU_OPT_STRING, |
| .help = "asset tag number", |
| },{ |
| .name = "sku", |
| .type = QEMU_OPT_STRING, |
| .help = "SKU number", |
| }, |
| { /* end of list */ } |
| }; |
| |
| static const QemuOptDesc qemu_smbios_type4_opts[] = { |
| { |
| .name = "type", |
| .type = QEMU_OPT_NUMBER, |
| .help = "SMBIOS element type", |
| },{ |
| .name = "sock_pfx", |
| .type = QEMU_OPT_STRING, |
| .help = "socket designation string prefix", |
| },{ |
| .name = "manufacturer", |
| .type = QEMU_OPT_STRING, |
| .help = "manufacturer name", |
| },{ |
| .name = "version", |
| .type = QEMU_OPT_STRING, |
| .help = "version number", |
| },{ |
| .name = "serial", |
| .type = QEMU_OPT_STRING, |
| .help = "serial number", |
| },{ |
| .name = "asset", |
| .type = QEMU_OPT_STRING, |
| .help = "asset tag number", |
| },{ |
| .name = "part", |
| .type = QEMU_OPT_STRING, |
| .help = "part number", |
| }, |
| { /* end of list */ } |
| }; |
| |
| static const QemuOptDesc qemu_smbios_type17_opts[] = { |
| { |
| .name = "type", |
| .type = QEMU_OPT_NUMBER, |
| .help = "SMBIOS element type", |
| },{ |
| .name = "loc_pfx", |
| .type = QEMU_OPT_STRING, |
| .help = "device locator string prefix", |
| },{ |
| .name = "bank", |
| .type = QEMU_OPT_STRING, |
| .help = "bank locator string", |
| },{ |
| .name = "manufacturer", |
| .type = QEMU_OPT_STRING, |
| .help = "manufacturer name", |
| },{ |
| .name = "serial", |
| .type = QEMU_OPT_STRING, |
| .help = "serial number", |
| },{ |
| .name = "asset", |
| .type = QEMU_OPT_STRING, |
| .help = "asset tag number", |
| },{ |
| .name = "part", |
| .type = QEMU_OPT_STRING, |
| .help = "part number", |
| },{ |
| .name = "speed", |
| .type = QEMU_OPT_NUMBER, |
| .help = "maximum capable speed", |
| }, |
| { /* end of list */ } |
| }; |
| |
| static void smbios_register_config(void) |
| { |
| qemu_add_opts(&qemu_smbios_opts); |
| } |
| |
| opts_init(smbios_register_config); |
| |
| static void smbios_validate_table(void) |
| { |
| uint32_t expect_t4_count = smbios_legacy ? smp_cpus : smbios_smp_sockets; |
| |
| if (smbios_type4_count && smbios_type4_count != expect_t4_count) { |
| error_report("Expected %d SMBIOS Type 4 tables, got %d instead", |
| expect_t4_count, smbios_type4_count); |
| exit(1); |
| } |
| } |
| |
| |
| /* 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), |
| type0.vendor); |
| smbios_maybe_add_str(0, offsetof(struct smbios_type_0, bios_version_str), |
| type0.version); |
| smbios_maybe_add_str(0, offsetof(struct smbios_type_0, |
| bios_release_date_str), |
| type0.date); |
| if (type0.have_major_minor) { |
| smbios_add_field(0, offsetof(struct smbios_type_0, |
| system_bios_major_release), |
| &type0.major, 1); |
| smbios_add_field(0, offsetof(struct smbios_type_0, |
| system_bios_minor_release), |
| &type0.minor, 1); |
| } |
| } |
| |
| static void smbios_build_type_1_fields(void) |
| { |
| smbios_maybe_add_str(1, offsetof(struct smbios_type_1, manufacturer_str), |
| type1.manufacturer); |
| smbios_maybe_add_str(1, offsetof(struct smbios_type_1, product_name_str), |
| type1.product); |
| smbios_maybe_add_str(1, offsetof(struct smbios_type_1, version_str), |
| type1.version); |
| smbios_maybe_add_str(1, offsetof(struct smbios_type_1, serial_number_str), |
| type1.serial); |
| smbios_maybe_add_str(1, offsetof(struct smbios_type_1, sku_number_str), |
| type1.sku); |
| smbios_maybe_add_str(1, offsetof(struct smbios_type_1, family_str), |
| 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) |
| { |
| if (!smbios_legacy) { |
| *length = 0; |
| return NULL; |
| } |
| |
| if (!smbios_immutable) { |
| smbios_build_type_0_fields(); |
| smbios_build_type_1_fields(); |
| smbios_validate_table(); |
| smbios_immutable = true; |
| } |
| *length = smbios_entries_len; |
| return smbios_entries; |
| } |
| /* end: legacy setup functions for <= 2.0 machines */ |
| |
| |
| static bool smbios_skip_table(uint8_t type, bool required_table) |
| { |
| if (test_bit(type, have_binfile_bitmap)) { |
| return true; /* user provided their own binary blob(s) */ |
| } |
| if (test_bit(type, have_fields_bitmap)) { |
| return false; /* user provided fields via command line */ |
| } |
| if (smbios_have_defaults && required_table) { |
| return false; /* we're building tables, and this one's required */ |
| } |
| return true; |
| } |
| |
| #define SMBIOS_BUILD_TABLE_PRE(tbl_type, tbl_handle, tbl_required) \ |
| struct smbios_type_##tbl_type *t; \ |
| size_t t_off; /* table offset into smbios_tables */ \ |
| int str_index = 0; \ |
| do { \ |
| /* should we skip building this table ? */ \ |
| if (smbios_skip_table(tbl_type, tbl_required)) { \ |
| return; \ |
| } \ |
| \ |
| /* use offset of table t within smbios_tables */ \ |
| /* (pointer must be updated after each realloc) */ \ |
| t_off = smbios_tables_len; \ |
| smbios_tables_len += sizeof(*t); \ |
| smbios_tables = g_realloc(smbios_tables, smbios_tables_len); \ |
| t = (struct smbios_type_##tbl_type *)(smbios_tables + t_off); \ |
| \ |
| t->header.type = tbl_type; \ |
| t->header.length = sizeof(*t); \ |
| t->header.handle = cpu_to_le16(tbl_handle); \ |
| } while (0) |
| |
| #define SMBIOS_TABLE_SET_STR(tbl_type, field, value) \ |
| do { \ |
| int len = (value != NULL) ? strlen(value) + 1 : 0; \ |
| if (len > 1) { \ |
| smbios_tables = g_realloc(smbios_tables, \ |
| smbios_tables_len + len); \ |
| memcpy(smbios_tables + smbios_tables_len, value, len); \ |
| smbios_tables_len += len; \ |
| /* update pointer post-realloc */ \ |
| t = (struct smbios_type_##tbl_type *)(smbios_tables + t_off); \ |
| t->field = ++str_index; \ |
| } else { \ |
| t->field = 0; \ |
| } \ |
| } while (0) |
| |
| #define SMBIOS_BUILD_TABLE_POST \ |
| do { \ |
| size_t term_cnt, t_size; \ |
| \ |
| /* add '\0' terminator (add two if no strings defined) */ \ |
| term_cnt = (str_index == 0) ? 2 : 1; \ |
| smbios_tables = g_realloc(smbios_tables, \ |
| smbios_tables_len + term_cnt); \ |
| memset(smbios_tables + smbios_tables_len, 0, term_cnt); \ |
| smbios_tables_len += term_cnt; \ |
| \ |
| /* update smbios max. element size */ \ |
| t_size = smbios_tables_len - t_off; \ |
| if (t_size > smbios_table_max) { \ |
| smbios_table_max = t_size; \ |
| } \ |
| \ |
| /* update smbios element count */ \ |
| smbios_table_cnt++; \ |
| } while (0) |
| |
| static void smbios_build_type_0_table(void) |
| { |
| SMBIOS_BUILD_TABLE_PRE(0, 0x000, false); /* optional, leave up to BIOS */ |
| |
| SMBIOS_TABLE_SET_STR(0, vendor_str, type0.vendor); |
| SMBIOS_TABLE_SET_STR(0, bios_version_str, type0.version); |
| |
| t->bios_starting_address_segment = cpu_to_le16(0xE800); /* from SeaBIOS */ |
| |
| SMBIOS_TABLE_SET_STR(0, bios_release_date_str, type0.date); |
| |
| t->bios_rom_size = 0; /* hardcoded in SeaBIOS with FIXME comment */ |
| |
| t->bios_characteristics = cpu_to_le64(0x08); /* Not supported */ |
| t->bios_characteristics_extension_bytes[0] = 0; |
| t->bios_characteristics_extension_bytes[1] = 0x14; /* TCD/SVVP | VM */ |
| if (type0.uefi) { |
| t->bios_characteristics_extension_bytes[1] |= 0x08; /* |= UEFI */ |
| } |
| |
| if (type0.have_major_minor) { |
| t->system_bios_major_release = type0.major; |
| t->system_bios_minor_release = type0.minor; |
| } else { |
| t->system_bios_major_release = 0; |
| t->system_bios_minor_release = 0; |
| } |
| |
| /* hardcoded in SeaBIOS */ |
| t->embedded_controller_major_release = 0xFF; |
| t->embedded_controller_minor_release = 0xFF; |
| |
| SMBIOS_BUILD_TABLE_POST; |
| } |
| |
| /* Encode UUID from the big endian encoding described on RFC4122 to the wire |
| * format specified by SMBIOS version 2.6. |
| */ |
| static void smbios_encode_uuid(struct smbios_uuid *uuid, const uint8_t *buf) |
| { |
| memcpy(uuid, buf, 16); |
| if (smbios_uuid_encoded) { |
| uuid->time_low = bswap32(uuid->time_low); |
| uuid->time_mid = bswap16(uuid->time_mid); |
| uuid->time_hi_and_version = bswap16(uuid->time_hi_and_version); |
| } |
| } |
| |
| static void smbios_build_type_1_table(void) |
| { |
| SMBIOS_BUILD_TABLE_PRE(1, 0x100, true); /* required */ |
| |
| SMBIOS_TABLE_SET_STR(1, manufacturer_str, type1.manufacturer); |
| SMBIOS_TABLE_SET_STR(1, product_name_str, type1.product); |
| SMBIOS_TABLE_SET_STR(1, version_str, type1.version); |
| SMBIOS_TABLE_SET_STR(1, serial_number_str, type1.serial); |
| if (qemu_uuid_set) { |
| smbios_encode_uuid(&t->uuid, qemu_uuid); |
| } else { |
| memset(&t->uuid, 0, 16); |
| } |
| t->wake_up_type = 0x06; /* power switch */ |
| SMBIOS_TABLE_SET_STR(1, sku_number_str, type1.sku); |
| SMBIOS_TABLE_SET_STR(1, family_str, type1.family); |
| |
| SMBIOS_BUILD_TABLE_POST; |
| } |
| |
| static void smbios_build_type_2_table(void) |
| { |
| SMBIOS_BUILD_TABLE_PRE(2, 0x200, false); /* optional */ |
| |
| SMBIOS_TABLE_SET_STR(2, manufacturer_str, type2.manufacturer); |
| SMBIOS_TABLE_SET_STR(2, product_str, type2.product); |
| SMBIOS_TABLE_SET_STR(2, version_str, type2.version); |
| SMBIOS_TABLE_SET_STR(2, serial_number_str, type2.serial); |
| SMBIOS_TABLE_SET_STR(2, asset_tag_number_str, type2.asset); |
| t->feature_flags = 0x01; /* Motherboard */ |
| SMBIOS_TABLE_SET_STR(2, location_str, type2.location); |
| t->chassis_handle = cpu_to_le16(0x300); /* Type 3 (System enclosure) */ |
| t->board_type = 0x0A; /* Motherboard */ |
| t->contained_element_count = 0; |
| |
| SMBIOS_BUILD_TABLE_POST; |
| } |
| |
| static void smbios_build_type_3_table(void) |
| { |
| SMBIOS_BUILD_TABLE_PRE(3, 0x300, true); /* required */ |
| |
| SMBIOS_TABLE_SET_STR(3, manufacturer_str, type3.manufacturer); |
| t->type = 0x01; /* Other */ |
| SMBIOS_TABLE_SET_STR(3, version_str, type3.version); |
| SMBIOS_TABLE_SET_STR(3, serial_number_str, type3.serial); |
| SMBIOS_TABLE_SET_STR(3, asset_tag_number_str, type3.asset); |
| t->boot_up_state = 0x03; /* Safe */ |
| t->power_supply_state = 0x03; /* Safe */ |
| t->thermal_state = 0x03; /* Safe */ |
| t->security_status = 0x02; /* Unknown */ |
| t->oem_defined = cpu_to_le32(0); |
| t->height = 0; |
| t->number_of_power_cords = 0; |
| t->contained_element_count = 0; |
| SMBIOS_TABLE_SET_STR(3, sku_number_str, type3.sku); |
| |
| SMBIOS_BUILD_TABLE_POST; |
| } |
| |
| static void smbios_build_type_4_table(unsigned instance) |
| { |
| char sock_str[128]; |
| |
| SMBIOS_BUILD_TABLE_PRE(4, 0x400 + instance, true); /* required */ |
| |
| snprintf(sock_str, sizeof(sock_str), "%s%2x", type4.sock_pfx, instance); |
| SMBIOS_TABLE_SET_STR(4, socket_designation_str, sock_str); |
| t->processor_type = 0x03; /* CPU */ |
| t->processor_family = 0x01; /* Other */ |
| SMBIOS_TABLE_SET_STR(4, processor_manufacturer_str, type4.manufacturer); |
| t->processor_id[0] = cpu_to_le32(smbios_cpuid_version); |
| t->processor_id[1] = cpu_to_le32(smbios_cpuid_features); |
| SMBIOS_TABLE_SET_STR(4, processor_version_str, type4.version); |
| t->voltage = 0; |
| t->external_clock = cpu_to_le16(0); /* Unknown */ |
| /* SVVP requires max_speed and current_speed to not be unknown. */ |
| t->max_speed = cpu_to_le16(2000); /* 2000 MHz */ |
| t->current_speed = cpu_to_le16(2000); /* 2000 MHz */ |
| t->status = 0x41; /* Socket populated, CPU enabled */ |
| t->processor_upgrade = 0x01; /* Other */ |
| t->l1_cache_handle = cpu_to_le16(0xFFFF); /* N/A */ |
| t->l2_cache_handle = cpu_to_le16(0xFFFF); /* N/A */ |
| t->l3_cache_handle = cpu_to_le16(0xFFFF); /* N/A */ |
| SMBIOS_TABLE_SET_STR(4, serial_number_str, type4.serial); |
| SMBIOS_TABLE_SET_STR(4, asset_tag_number_str, type4.asset); |
| SMBIOS_TABLE_SET_STR(4, part_number_str, type4.part); |
| t->core_count = t->core_enabled = smp_cores; |
| t->thread_count = smp_threads; |
| t->processor_characteristics = cpu_to_le16(0x02); /* Unknown */ |
| t->processor_family2 = cpu_to_le16(0x01); /* Other */ |
| |
| SMBIOS_BUILD_TABLE_POST; |
| smbios_type4_count++; |
| } |
| |
| #define ONE_KB ((ram_addr_t)1 << 10) |
| #define ONE_MB ((ram_addr_t)1 << 20) |
| #define ONE_GB ((ram_addr_t)1 << 30) |
| |
| #define MAX_T16_STD_SZ 0x80000000 /* 2T in Kilobytes */ |
| |
| static void smbios_build_type_16_table(unsigned dimm_cnt) |
| { |
| uint64_t size_kb; |
| |
| SMBIOS_BUILD_TABLE_PRE(16, 0x1000, true); /* required */ |
| |
| t->location = 0x01; /* Other */ |
| t->use = 0x03; /* System memory */ |
| t->error_correction = 0x06; /* Multi-bit ECC (for Microsoft, per SeaBIOS) */ |
| size_kb = QEMU_ALIGN_UP(ram_size, ONE_KB) / ONE_KB; |
| if (size_kb < MAX_T16_STD_SZ) { |
| t->maximum_capacity = cpu_to_le32(size_kb); |
| t->extended_maximum_capacity = cpu_to_le64(0); |
| } else { |
| t->maximum_capacity = cpu_to_le32(MAX_T16_STD_SZ); |
| t->extended_maximum_capacity = cpu_to_le64(ram_size); |
| } |
| t->memory_error_information_handle = cpu_to_le16(0xFFFE); /* Not provided */ |
| t->number_of_memory_devices = cpu_to_le16(dimm_cnt); |
| |
| SMBIOS_BUILD_TABLE_POST; |
| } |
| |
| #define MAX_T17_STD_SZ 0x7FFF /* (32G - 1M), in Megabytes */ |
| #define MAX_T17_EXT_SZ 0x80000000 /* 2P, in Megabytes */ |
| |
| static void smbios_build_type_17_table(unsigned instance, uint64_t size) |
| { |
| char loc_str[128]; |
| uint64_t size_mb; |
| |
| SMBIOS_BUILD_TABLE_PRE(17, 0x1100 + instance, true); /* required */ |
| |
| t->physical_memory_array_handle = cpu_to_le16(0x1000); /* Type 16 above */ |
| t->memory_error_information_handle = cpu_to_le16(0xFFFE); /* Not provided */ |
| t->total_width = cpu_to_le16(0xFFFF); /* Unknown */ |
| t->data_width = cpu_to_le16(0xFFFF); /* Unknown */ |
| size_mb = QEMU_ALIGN_UP(size, ONE_MB) / ONE_MB; |
| if (size_mb < MAX_T17_STD_SZ) { |
| t->size = cpu_to_le16(size_mb); |
| t->extended_size = cpu_to_le32(0); |
| } else { |
| assert(size_mb < MAX_T17_EXT_SZ); |
| t->size = cpu_to_le16(MAX_T17_STD_SZ); |
| t->extended_size = cpu_to_le32(size_mb); |
| } |
| t->form_factor = 0x09; /* DIMM */ |
| t->device_set = 0; /* Not in a set */ |
| snprintf(loc_str, sizeof(loc_str), "%s %d", type17.loc_pfx, instance); |
| SMBIOS_TABLE_SET_STR(17, device_locator_str, loc_str); |
| SMBIOS_TABLE_SET_STR(17, bank_locator_str, type17.bank); |
| t->memory_type = 0x07; /* RAM */ |
| t->type_detail = cpu_to_le16(0x02); /* Other */ |
| t->speed = cpu_to_le16(type17.speed); |
| SMBIOS_TABLE_SET_STR(17, manufacturer_str, type17.manufacturer); |
| SMBIOS_TABLE_SET_STR(17, serial_number_str, type17.serial); |
| SMBIOS_TABLE_SET_STR(17, asset_tag_number_str, type17.asset); |
| SMBIOS_TABLE_SET_STR(17, part_number_str, type17.part); |
| t->attributes = 0; /* Unknown */ |
| t->configured_clock_speed = t->speed; /* reuse value for max speed */ |
| t->minimum_voltage = cpu_to_le16(0); /* Unknown */ |
| t->maximum_voltage = cpu_to_le16(0); /* Unknown */ |
| t->configured_voltage = cpu_to_le16(0); /* Unknown */ |
| |
| SMBIOS_BUILD_TABLE_POST; |
| } |
| |
| static void smbios_build_type_19_table(unsigned instance, |
| uint64_t start, uint64_t size) |
| { |
| uint64_t end, start_kb, end_kb; |
| |
| SMBIOS_BUILD_TABLE_PRE(19, 0x1300 + instance, true); /* required */ |
| |
| end = start + size - 1; |
| assert(end > start); |
| start_kb = start / ONE_KB; |
| end_kb = end / ONE_KB; |
| if (start_kb < UINT32_MAX && end_kb < UINT32_MAX) { |
| t->starting_address = cpu_to_le32(start_kb); |
| t->ending_address = cpu_to_le32(end_kb); |
| t->extended_starting_address = |
| t->extended_ending_address = cpu_to_le64(0); |
| } else { |
| t->starting_address = t->ending_address = cpu_to_le32(UINT32_MAX); |
| t->extended_starting_address = cpu_to_le64(start); |
| t->extended_ending_address = cpu_to_le64(end); |
| } |
| t->memory_array_handle = cpu_to_le16(0x1000); /* Type 16 above */ |
| t->partition_width = 1; /* One device per row */ |
| |
| SMBIOS_BUILD_TABLE_POST; |
| } |
| |
| static void smbios_build_type_32_table(void) |
| { |
| SMBIOS_BUILD_TABLE_PRE(32, 0x2000, true); /* required */ |
| |
| memset(t->reserved, 0, 6); |
| t->boot_status = 0; /* No errors detected */ |
| |
| SMBIOS_BUILD_TABLE_POST; |
| } |
| |
| static void smbios_build_type_127_table(void) |
| { |
| SMBIOS_BUILD_TABLE_PRE(127, 0x7F00, true); /* required */ |
| SMBIOS_BUILD_TABLE_POST; |
| } |
| |
| void smbios_set_cpuid(uint32_t version, uint32_t features) |
| { |
| smbios_cpuid_version = version; |
| smbios_cpuid_features = features; |
| } |
| |
| #define SMBIOS_SET_DEFAULT(field, value) \ |
| if (!field) { \ |
| field = value; \ |
| } |
| |
| void smbios_set_defaults(const char *manufacturer, const char *product, |
| const char *version, bool legacy_mode, |
| bool uuid_encoded, SmbiosEntryPointType ep_type) |
| { |
| smbios_have_defaults = true; |
| smbios_legacy = legacy_mode; |
| smbios_uuid_encoded = uuid_encoded; |
| smbios_ep_type = ep_type; |
| |
| /* drop unwanted version of command-line file blob(s) */ |
| if (smbios_legacy) { |
| g_free(smbios_tables); |
| /* in legacy mode, also complain if fields were given for types > 1 */ |
| if (find_next_bit(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); |
| } |
| } else { |
| g_free(smbios_entries); |
| } |
| |
| SMBIOS_SET_DEFAULT(type1.manufacturer, manufacturer); |
| SMBIOS_SET_DEFAULT(type1.product, product); |
| SMBIOS_SET_DEFAULT(type1.version, version); |
| SMBIOS_SET_DEFAULT(type2.manufacturer, manufacturer); |
| SMBIOS_SET_DEFAULT(type2.product, product); |
| SMBIOS_SET_DEFAULT(type2.version, version); |
| SMBIOS_SET_DEFAULT(type3.manufacturer, manufacturer); |
| SMBIOS_SET_DEFAULT(type3.version, version); |
| SMBIOS_SET_DEFAULT(type4.sock_pfx, "CPU"); |
| SMBIOS_SET_DEFAULT(type4.manufacturer, manufacturer); |
| SMBIOS_SET_DEFAULT(type4.version, version); |
| SMBIOS_SET_DEFAULT(type17.loc_pfx, "DIMM"); |
| SMBIOS_SET_DEFAULT(type17.manufacturer, manufacturer); |
| } |
| |
| static void smbios_entry_point_setup(void) |
| { |
| switch (smbios_ep_type) { |
| case SMBIOS_ENTRY_POINT_21: |
| memcpy(ep.ep21.anchor_string, "_SM_", 4); |
| memcpy(ep.ep21.intermediate_anchor_string, "_DMI_", 5); |
| ep.ep21.length = sizeof(struct smbios_21_entry_point); |
| ep.ep21.entry_point_revision = 0; /* formatted_area reserved */ |
| memset(ep.ep21.formatted_area, 0, 5); |
| |
| /* compliant with smbios spec v2.8 */ |
| ep.ep21.smbios_major_version = 2; |
| ep.ep21.smbios_minor_version = 8; |
| ep.ep21.smbios_bcd_revision = 0x28; |
| |
| /* set during table construction, but BIOS may override: */ |
| ep.ep21.structure_table_length = cpu_to_le16(smbios_tables_len); |
| ep.ep21.max_structure_size = cpu_to_le16(smbios_table_max); |
| ep.ep21.number_of_structures = cpu_to_le16(smbios_table_cnt); |
| |
| /* BIOS must recalculate */ |
| ep.ep21.checksum = 0; |
| ep.ep21.intermediate_checksum = 0; |
| ep.ep21.structure_table_address = cpu_to_le32(0); |
| |
| break; |
| case SMBIOS_ENTRY_POINT_30: |
| memcpy(ep.ep30.anchor_string, "_SM3_", 5); |
| ep.ep30.length = sizeof(struct smbios_30_entry_point); |
| ep.ep30.entry_point_revision = 1; |
| ep.ep30.reserved = 0; |
| |
| /* compliant with smbios spec 3.0 */ |
| ep.ep30.smbios_major_version = 3; |
| ep.ep30.smbios_minor_version = 0; |
| ep.ep30.smbios_doc_rev = 0; |
| |
| /* set during table construct, but BIOS might override */ |
| ep.ep30.structure_table_max_size = cpu_to_le32(smbios_tables_len); |
| |
| /* BIOS must recalculate */ |
| ep.ep30.checksum = 0; |
| ep.ep30.structure_table_address = cpu_to_le64(0); |
| |
| break; |
| default: |
| abort(); |
| break; |
| } |
| } |
| |
| void smbios_get_tables(const struct smbios_phys_mem_area *mem_array, |
| const unsigned int mem_array_size, |
| uint8_t **tables, size_t *tables_len, |
| uint8_t **anchor, size_t *anchor_len) |
| { |
| unsigned i, dimm_cnt; |
| |
| if (smbios_legacy) { |
| *tables = *anchor = NULL; |
| *tables_len = *anchor_len = 0; |
| return; |
| } |
| |
| if (!smbios_immutable) { |
| smbios_build_type_0_table(); |
| smbios_build_type_1_table(); |
| smbios_build_type_2_table(); |
| smbios_build_type_3_table(); |
| |
| smbios_smp_sockets = DIV_ROUND_UP(smp_cpus, smp_cores * smp_threads); |
| assert(smbios_smp_sockets >= 1); |
| |
| for (i = 0; i < smbios_smp_sockets; i++) { |
| smbios_build_type_4_table(i); |
| } |
| |
| #define MAX_DIMM_SZ (16ll * ONE_GB) |
| #define GET_DIMM_SZ ((i < dimm_cnt - 1) ? MAX_DIMM_SZ \ |
| : ((ram_size - 1) % MAX_DIMM_SZ) + 1) |
| |
| dimm_cnt = QEMU_ALIGN_UP(ram_size, MAX_DIMM_SZ) / MAX_DIMM_SZ; |
| |
| smbios_build_type_16_table(dimm_cnt); |
| |
| for (i = 0; i < dimm_cnt; i++) { |
| smbios_build_type_17_table(i, GET_DIMM_SZ); |
| } |
| |
| for (i = 0; i < mem_array_size; i++) { |
| smbios_build_type_19_table(i, mem_array[i].address, |
| mem_array[i].length); |
| } |
| |
| smbios_build_type_32_table(); |
| smbios_build_type_127_table(); |
| |
| smbios_validate_table(); |
| smbios_entry_point_setup(); |
| smbios_immutable = true; |
| } |
| |
| /* return tables blob and entry point (anchor), and their sizes */ |
| *tables = smbios_tables; |
| *tables_len = smbios_tables_len; |
| *anchor = (uint8_t *)&ep; |
| |
| /* calculate length based on anchor string */ |
| if (!strncmp((char *)&ep, "_SM_", 4)) { |
| *anchor_len = sizeof(struct smbios_21_entry_point); |
| } else if (!strncmp((char *)&ep, "_SM3_", 5)) { |
| *anchor_len = sizeof(struct smbios_30_entry_point); |
| } else { |
| abort(); |
| } |
| } |
| |
| static void save_opt(const char **dest, QemuOpts *opts, const char *name) |
| { |
| const char *val = qemu_opt_get(opts, name); |
| |
| if (val) { |
| *dest = val; |
| } |
| } |
| |
| void smbios_entry_add(QemuOpts *opts) |
| { |
| const char *val; |
| |
| assert(!smbios_immutable); |
| |
| val = qemu_opt_get(opts, "file"); |
| if (val) { |
| struct smbios_structure_header *header; |
| int size; |
| struct smbios_table *table; /* legacy mode only */ |
| |
| qemu_opts_validate(opts, qemu_smbios_file_opts, &error_fatal); |
| |
| size = get_image_size(val); |
| if (size == -1 || size < sizeof(struct smbios_structure_header)) { |
| error_report("Cannot read SMBIOS file %s", val); |
| exit(1); |
| } |
| |
| /* |
| * NOTE: standard double '\0' terminator expected, per smbios spec. |
| * (except in legacy mode, where the second '\0' is implicit and |
| * will be inserted by the BIOS). |
| */ |
| smbios_tables = g_realloc(smbios_tables, smbios_tables_len + size); |
| header = (struct smbios_structure_header *)(smbios_tables + |
| smbios_tables_len); |
| |
| if (load_image(val, (uint8_t *)header) != size) { |
| error_report("Failed to load SMBIOS file %s", val); |
| exit(1); |
| } |
| |
| if (test_bit(header->type, have_fields_bitmap)) { |
| error_report("can't load type %d struct, fields already specified!", |
| header->type); |
| exit(1); |
| } |
| set_bit(header->type, have_binfile_bitmap); |
| |
| if (header->type == 4) { |
| smbios_type4_count++; |
| } |
| |
| smbios_tables_len += size; |
| if (size > smbios_table_max) { |
| smbios_table_max = size; |
| } |
| smbios_table_cnt++; |
| |
| /* add a copy of the newly loaded blob to legacy smbios_entries */ |
| /* NOTE: This code runs before smbios_set_defaults(), so we don't |
| * yet know which mode (legacy vs. aggregate-table) will be |
| * required. We therefore add the binary blob to both legacy |
| * (smbios_entries) and aggregate (smbios_tables) tables, and |
| * delete the one we don't need from smbios_set_defaults(), |
| * once we know which machine version has been requested. |
| */ |
| 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 + |
| 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); |
| /* end: add a copy of the newly loaded blob to legacy smbios_entries */ |
| |
| return; |
| } |
| |
| val = qemu_opt_get(opts, "type"); |
| if (val) { |
| unsigned long type = strtoul(val, NULL, 0); |
| |
| if (type > SMBIOS_MAX_TYPE) { |
| error_report("out of range!"); |
| exit(1); |
| } |
| |
| if (test_bit(type, have_binfile_bitmap)) { |
| error_report("can't add fields, binary file already loaded!"); |
| exit(1); |
| } |
| set_bit(type, have_fields_bitmap); |
| |
| switch (type) { |
| case 0: |
| qemu_opts_validate(opts, qemu_smbios_type0_opts, &error_fatal); |
| save_opt(&type0.vendor, opts, "vendor"); |
| save_opt(&type0.version, opts, "version"); |
| save_opt(&type0.date, opts, "date"); |
| type0.uefi = qemu_opt_get_bool(opts, "uefi", false); |
| |
| val = qemu_opt_get(opts, "release"); |
| if (val) { |
| if (sscanf(val, "%hhu.%hhu", &type0.major, &type0.minor) != 2) { |
| error_report("Invalid release"); |
| exit(1); |
| } |
| type0.have_major_minor = true; |
| } |
| return; |
| case 1: |
| qemu_opts_validate(opts, qemu_smbios_type1_opts, &error_fatal); |
| save_opt(&type1.manufacturer, opts, "manufacturer"); |
| save_opt(&type1.product, opts, "product"); |
| save_opt(&type1.version, opts, "version"); |
| save_opt(&type1.serial, opts, "serial"); |
| save_opt(&type1.sku, opts, "sku"); |
| save_opt(&type1.family, opts, "family"); |
| |
| val = qemu_opt_get(opts, "uuid"); |
| if (val) { |
| if (qemu_uuid_parse(val, qemu_uuid) != 0) { |
| error_report("Invalid UUID"); |
| exit(1); |
| } |
| qemu_uuid_set = true; |
| } |
| return; |
| case 2: |
| qemu_opts_validate(opts, qemu_smbios_type2_opts, &error_fatal); |
| save_opt(&type2.manufacturer, opts, "manufacturer"); |
| save_opt(&type2.product, opts, "product"); |
| save_opt(&type2.version, opts, "version"); |
| save_opt(&type2.serial, opts, "serial"); |
| save_opt(&type2.asset, opts, "asset"); |
| save_opt(&type2.location, opts, "location"); |
| return; |
| case 3: |
| qemu_opts_validate(opts, qemu_smbios_type3_opts, &error_fatal); |
| save_opt(&type3.manufacturer, opts, "manufacturer"); |
| save_opt(&type3.version, opts, "version"); |
| save_opt(&type3.serial, opts, "serial"); |
| save_opt(&type3.asset, opts, "asset"); |
| save_opt(&type3.sku, opts, "sku"); |
| return; |
| case 4: |
| qemu_opts_validate(opts, qemu_smbios_type4_opts, &error_fatal); |
| save_opt(&type4.sock_pfx, opts, "sock_pfx"); |
| save_opt(&type4.manufacturer, opts, "manufacturer"); |
| save_opt(&type4.version, opts, "version"); |
| save_opt(&type4.serial, opts, "serial"); |
| save_opt(&type4.asset, opts, "asset"); |
| save_opt(&type4.part, opts, "part"); |
| return; |
| case 17: |
| qemu_opts_validate(opts, qemu_smbios_type17_opts, &error_fatal); |
| save_opt(&type17.loc_pfx, opts, "loc_pfx"); |
| save_opt(&type17.bank, opts, "bank"); |
| save_opt(&type17.manufacturer, opts, "manufacturer"); |
| save_opt(&type17.serial, opts, "serial"); |
| save_opt(&type17.asset, opts, "asset"); |
| save_opt(&type17.part, opts, "part"); |
| type17.speed = qemu_opt_get_number(opts, "speed", 0); |
| return; |
| default: |
| error_report("Don't know how to build fields for SMBIOS type %ld", |
| type); |
| exit(1); |
| } |
| } |
| |
| error_report("Must specify type= or file="); |
| exit(1); |
| } |
