--- /dev/null
+/*
+ * 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/config-file.h"
+#include "qemu/error-report.h"
+#include "sysemu/sysemu.h"
+#include "sysemu/cpus.h"
+#include "hw/i386/pc.h"
+#include "hw/i386/smbios.h"
+#include "hw/loader.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 struct smbios_entry_point 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);
+}
+
+machine_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)
+{
+ smbios_have_defaults = true;
+ smbios_legacy = legacy_mode;
+ smbios_uuid_encoded = uuid_encoded;
+
+ /* 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)
+{
+ memcpy(ep.anchor_string, "_SM_", 4);
+ memcpy(ep.intermediate_anchor_string, "_DMI_", 5);
+ ep.length = sizeof(struct smbios_entry_point);
+ ep.entry_point_revision = 0; /* formatted_area reserved, per spec v2.1+ */
+ memset(ep.formatted_area, 0, 5);
+
+ /* compliant with smbios spec v2.8 */
+ ep.smbios_major_version = 2;
+ ep.smbios_minor_version = 8;
+ ep.smbios_bcd_revision = 0x28;
+
+ /* set during table construction, but BIOS may override: */
+ ep.structure_table_length = cpu_to_le16(smbios_tables_len);
+ ep.max_structure_size = cpu_to_le16(smbios_table_max);
+ ep.number_of_structures = cpu_to_le16(smbios_table_cnt);
+
+ /* BIOS must recalculate: */
+ ep.checksum = 0;
+ ep.intermediate_checksum = 0;
+ ep.structure_table_address = cpu_to_le32(0);
+}
+
+void smbios_get_tables(uint8_t **tables, size_t *tables_len,
+ uint8_t **anchor, size_t *anchor_len)
+{
+ unsigned i, dimm_cnt, instance;
+
+ 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, instance = 0; i < e820_get_num_entries(); i++) {
+ uint64_t address, length;
+ if (e820_get_entry(i, E820_RAM, &address, &length)) {
+ smbios_build_type_19_table(instance++, address, 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;
+ *anchor_len = sizeof(struct smbios_entry_point);
+}
+
+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)
+{
+ Error *local_err = NULL;
+ 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, &local_err);
+ if (local_err) {
+ error_report_err(local_err);
+ exit(1);
+ }
+
+ 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, &local_err);
+ if (local_err) {
+ error_report_err(local_err);
+ exit(1);
+ }
+ 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, &local_err);
+ if (local_err) {
+ error_report_err(local_err);
+ exit(1);
+ }
+ 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, &local_err);
+ if (local_err) {
+ error_report_err(local_err);
+ exit(1);
+ }
+ 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, &local_err);
+ if (local_err) {
+ error_report_err(local_err);
+ exit(1);
+ }
+ 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, &local_err);
+ if (local_err) {
+ error_report_err(local_err);
+ exit(1);
+ }
+ 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, &local_err);
+ if (local_err) {
+ error_report_err(local_err);
+ exit(1);
+ }
+ 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);
+}
Code Review / kvmfornfv.git / blobdiff