4 * Copyright (C) 2009 Hewlett-Packard Development Company, L.P.
5 * Copyright (C) 2013 Red Hat, Inc.
11 * This work is licensed under the terms of the GNU GPL, version 2. See
12 * the COPYING file in the top-level directory.
14 * Contributions after 2012-01-13 are licensed under the terms of the
15 * GNU GPL, version 2 or (at your option) any later version.
18 #include "qemu/osdep.h"
19 #include "qapi/error.h"
20 #include "qemu/config-file.h"
21 #include "qemu/error-report.h"
22 #include "sysemu/sysemu.h"
23 #include "sysemu/cpus.h"
24 #include "hw/smbios/smbios.h"
25 #include "hw/loader.h"
26 #include "exec/cpu-common.h"
27 #include "smbios_build.h"
29 /* legacy structures and constants for <= 2.0 machines */
30 struct smbios_header {
36 struct smbios_header header;
43 struct smbios_header header;
47 #define SMBIOS_FIELD_ENTRY 0
48 #define SMBIOS_TABLE_ENTRY 1
50 static uint8_t *smbios_entries;
51 static size_t smbios_entries_len;
52 static bool smbios_legacy = true;
53 static bool smbios_uuid_encoded = true;
54 /* end: legacy structures & constants for <= 2.0 machines */
57 uint8_t *smbios_tables;
58 size_t smbios_tables_len;
59 unsigned smbios_table_max;
60 unsigned smbios_table_cnt;
61 static SmbiosEntryPointType smbios_ep_type = SMBIOS_ENTRY_POINT_21;
63 static SmbiosEntryPoint ep;
65 static int smbios_type4_count = 0;
66 static bool smbios_immutable;
67 static bool smbios_have_defaults;
68 static uint32_t smbios_cpuid_version, smbios_cpuid_features, smbios_smp_sockets;
70 static DECLARE_BITMAP(have_binfile_bitmap, SMBIOS_MAX_TYPE+1);
71 static DECLARE_BITMAP(have_fields_bitmap, SMBIOS_MAX_TYPE+1);
74 const char *vendor, *version, *date;
75 bool have_major_minor, uefi;
80 const char *manufacturer, *product, *version, *serial, *sku, *family;
81 /* uuid is in qemu_uuid[] */
85 const char *manufacturer, *product, *version, *serial, *asset, *location;
89 const char *manufacturer, *version, *serial, *asset, *sku;
93 const char *sock_pfx, *manufacturer, *version, *serial, *asset, *part;
97 const char *loc_pfx, *bank, *manufacturer, *serial, *asset, *part;
101 static QemuOptsList qemu_smbios_opts = {
103 .head = QTAILQ_HEAD_INITIALIZER(qemu_smbios_opts.head),
106 * no elements => accept any params
107 * validation will happen later
109 { /* end of list */ }
113 static const QemuOptDesc qemu_smbios_file_opts[] = {
116 .type = QEMU_OPT_STRING,
117 .help = "binary file containing an SMBIOS element",
119 { /* end of list */ }
122 static const QemuOptDesc qemu_smbios_type0_opts[] = {
125 .type = QEMU_OPT_NUMBER,
126 .help = "SMBIOS element type",
129 .type = QEMU_OPT_STRING,
130 .help = "vendor name",
133 .type = QEMU_OPT_STRING,
134 .help = "version number",
137 .type = QEMU_OPT_STRING,
138 .help = "release date",
141 .type = QEMU_OPT_STRING,
142 .help = "revision number",
145 .type = QEMU_OPT_BOOL,
146 .help = "uefi support",
148 { /* end of list */ }
151 static const QemuOptDesc qemu_smbios_type1_opts[] = {
154 .type = QEMU_OPT_NUMBER,
155 .help = "SMBIOS element type",
157 .name = "manufacturer",
158 .type = QEMU_OPT_STRING,
159 .help = "manufacturer name",
162 .type = QEMU_OPT_STRING,
163 .help = "product name",
166 .type = QEMU_OPT_STRING,
167 .help = "version number",
170 .type = QEMU_OPT_STRING,
171 .help = "serial number",
174 .type = QEMU_OPT_STRING,
178 .type = QEMU_OPT_STRING,
179 .help = "SKU number",
182 .type = QEMU_OPT_STRING,
183 .help = "family name",
185 { /* end of list */ }
188 static const QemuOptDesc qemu_smbios_type2_opts[] = {
191 .type = QEMU_OPT_NUMBER,
192 .help = "SMBIOS element type",
194 .name = "manufacturer",
195 .type = QEMU_OPT_STRING,
196 .help = "manufacturer name",
199 .type = QEMU_OPT_STRING,
200 .help = "product name",
203 .type = QEMU_OPT_STRING,
204 .help = "version number",
207 .type = QEMU_OPT_STRING,
208 .help = "serial number",
211 .type = QEMU_OPT_STRING,
212 .help = "asset tag number",
215 .type = QEMU_OPT_STRING,
216 .help = "location in chassis",
218 { /* end of list */ }
221 static const QemuOptDesc qemu_smbios_type3_opts[] = {
224 .type = QEMU_OPT_NUMBER,
225 .help = "SMBIOS element type",
227 .name = "manufacturer",
228 .type = QEMU_OPT_STRING,
229 .help = "manufacturer name",
232 .type = QEMU_OPT_STRING,
233 .help = "version number",
236 .type = QEMU_OPT_STRING,
237 .help = "serial number",
240 .type = QEMU_OPT_STRING,
241 .help = "asset tag number",
244 .type = QEMU_OPT_STRING,
245 .help = "SKU number",
247 { /* end of list */ }
250 static const QemuOptDesc qemu_smbios_type4_opts[] = {
253 .type = QEMU_OPT_NUMBER,
254 .help = "SMBIOS element type",
257 .type = QEMU_OPT_STRING,
258 .help = "socket designation string prefix",
260 .name = "manufacturer",
261 .type = QEMU_OPT_STRING,
262 .help = "manufacturer name",
265 .type = QEMU_OPT_STRING,
266 .help = "version number",
269 .type = QEMU_OPT_STRING,
270 .help = "serial number",
273 .type = QEMU_OPT_STRING,
274 .help = "asset tag number",
277 .type = QEMU_OPT_STRING,
278 .help = "part number",
280 { /* end of list */ }
283 static const QemuOptDesc qemu_smbios_type17_opts[] = {
286 .type = QEMU_OPT_NUMBER,
287 .help = "SMBIOS element type",
290 .type = QEMU_OPT_STRING,
291 .help = "device locator string prefix",
294 .type = QEMU_OPT_STRING,
295 .help = "bank locator string",
297 .name = "manufacturer",
298 .type = QEMU_OPT_STRING,
299 .help = "manufacturer name",
302 .type = QEMU_OPT_STRING,
303 .help = "serial number",
306 .type = QEMU_OPT_STRING,
307 .help = "asset tag number",
310 .type = QEMU_OPT_STRING,
311 .help = "part number",
314 .type = QEMU_OPT_NUMBER,
315 .help = "maximum capable speed",
317 { /* end of list */ }
320 static void smbios_register_config(void)
322 qemu_add_opts(&qemu_smbios_opts);
325 opts_init(smbios_register_config);
327 static void smbios_validate_table(void)
329 uint32_t expect_t4_count = smbios_legacy ? smp_cpus : smbios_smp_sockets;
331 if (smbios_type4_count && smbios_type4_count != expect_t4_count) {
332 error_report("Expected %d SMBIOS Type 4 tables, got %d instead",
333 expect_t4_count, smbios_type4_count);
339 /* legacy setup functions for <= 2.0 machines */
340 static void smbios_add_field(int type, int offset, const void *data, size_t len)
342 struct smbios_field *field;
344 if (!smbios_entries) {
345 smbios_entries_len = sizeof(uint16_t);
346 smbios_entries = g_malloc0(smbios_entries_len);
348 smbios_entries = g_realloc(smbios_entries, smbios_entries_len +
349 sizeof(*field) + len);
350 field = (struct smbios_field *)(smbios_entries + smbios_entries_len);
351 field->header.type = SMBIOS_FIELD_ENTRY;
352 field->header.length = cpu_to_le16(sizeof(*field) + len);
355 field->offset = cpu_to_le16(offset);
356 memcpy(field->data, data, len);
358 smbios_entries_len += sizeof(*field) + len;
359 (*(uint16_t *)smbios_entries) =
360 cpu_to_le16(le16_to_cpu(*(uint16_t *)smbios_entries) + 1);
363 static void smbios_maybe_add_str(int type, int offset, const char *data)
366 smbios_add_field(type, offset, data, strlen(data) + 1);
370 static void smbios_build_type_0_fields(void)
372 smbios_maybe_add_str(0, offsetof(struct smbios_type_0, vendor_str),
374 smbios_maybe_add_str(0, offsetof(struct smbios_type_0, bios_version_str),
376 smbios_maybe_add_str(0, offsetof(struct smbios_type_0,
377 bios_release_date_str),
379 if (type0.have_major_minor) {
380 smbios_add_field(0, offsetof(struct smbios_type_0,
381 system_bios_major_release),
383 smbios_add_field(0, offsetof(struct smbios_type_0,
384 system_bios_minor_release),
389 static void smbios_build_type_1_fields(void)
391 smbios_maybe_add_str(1, offsetof(struct smbios_type_1, manufacturer_str),
393 smbios_maybe_add_str(1, offsetof(struct smbios_type_1, product_name_str),
395 smbios_maybe_add_str(1, offsetof(struct smbios_type_1, version_str),
397 smbios_maybe_add_str(1, offsetof(struct smbios_type_1, serial_number_str),
399 smbios_maybe_add_str(1, offsetof(struct smbios_type_1, sku_number_str),
401 smbios_maybe_add_str(1, offsetof(struct smbios_type_1, family_str),
404 /* We don't encode the UUID in the "wire format" here because this
405 * function is for legacy mode and needs to keep the guest ABI, and
406 * because we don't know what's the SMBIOS version advertised by the
409 smbios_add_field(1, offsetof(struct smbios_type_1, uuid),
414 uint8_t *smbios_get_table_legacy(size_t *length)
416 if (!smbios_legacy) {
421 if (!smbios_immutable) {
422 smbios_build_type_0_fields();
423 smbios_build_type_1_fields();
424 smbios_validate_table();
425 smbios_immutable = true;
427 *length = smbios_entries_len;
428 return smbios_entries;
430 /* end: legacy setup functions for <= 2.0 machines */
433 bool smbios_skip_table(uint8_t type, bool required_table)
435 if (test_bit(type, have_binfile_bitmap)) {
436 return true; /* user provided their own binary blob(s) */
438 if (test_bit(type, have_fields_bitmap)) {
439 return false; /* user provided fields via command line */
441 if (smbios_have_defaults && required_table) {
442 return false; /* we're building tables, and this one's required */
447 static void smbios_build_type_0_table(void)
449 SMBIOS_BUILD_TABLE_PRE(0, 0x000, false); /* optional, leave up to BIOS */
451 SMBIOS_TABLE_SET_STR(0, vendor_str, type0.vendor);
452 SMBIOS_TABLE_SET_STR(0, bios_version_str, type0.version);
454 t->bios_starting_address_segment = cpu_to_le16(0xE800); /* from SeaBIOS */
456 SMBIOS_TABLE_SET_STR(0, bios_release_date_str, type0.date);
458 t->bios_rom_size = 0; /* hardcoded in SeaBIOS with FIXME comment */
460 t->bios_characteristics = cpu_to_le64(0x08); /* Not supported */
461 t->bios_characteristics_extension_bytes[0] = 0;
462 t->bios_characteristics_extension_bytes[1] = 0x14; /* TCD/SVVP | VM */
464 t->bios_characteristics_extension_bytes[1] |= 0x08; /* |= UEFI */
467 if (type0.have_major_minor) {
468 t->system_bios_major_release = type0.major;
469 t->system_bios_minor_release = type0.minor;
471 t->system_bios_major_release = 0;
472 t->system_bios_minor_release = 0;
475 /* hardcoded in SeaBIOS */
476 t->embedded_controller_major_release = 0xFF;
477 t->embedded_controller_minor_release = 0xFF;
479 SMBIOS_BUILD_TABLE_POST;
482 /* Encode UUID from the big endian encoding described on RFC4122 to the wire
483 * format specified by SMBIOS version 2.6.
485 static void smbios_encode_uuid(struct smbios_uuid *uuid, const uint8_t *buf)
487 memcpy(uuid, buf, 16);
488 if (smbios_uuid_encoded) {
489 uuid->time_low = bswap32(uuid->time_low);
490 uuid->time_mid = bswap16(uuid->time_mid);
491 uuid->time_hi_and_version = bswap16(uuid->time_hi_and_version);
495 static void smbios_build_type_1_table(void)
497 SMBIOS_BUILD_TABLE_PRE(1, 0x100, true); /* required */
499 SMBIOS_TABLE_SET_STR(1, manufacturer_str, type1.manufacturer);
500 SMBIOS_TABLE_SET_STR(1, product_name_str, type1.product);
501 SMBIOS_TABLE_SET_STR(1, version_str, type1.version);
502 SMBIOS_TABLE_SET_STR(1, serial_number_str, type1.serial);
504 smbios_encode_uuid(&t->uuid, qemu_uuid);
506 memset(&t->uuid, 0, 16);
508 t->wake_up_type = 0x06; /* power switch */
509 SMBIOS_TABLE_SET_STR(1, sku_number_str, type1.sku);
510 SMBIOS_TABLE_SET_STR(1, family_str, type1.family);
512 SMBIOS_BUILD_TABLE_POST;
515 static void smbios_build_type_2_table(void)
517 SMBIOS_BUILD_TABLE_PRE(2, 0x200, false); /* optional */
519 SMBIOS_TABLE_SET_STR(2, manufacturer_str, type2.manufacturer);
520 SMBIOS_TABLE_SET_STR(2, product_str, type2.product);
521 SMBIOS_TABLE_SET_STR(2, version_str, type2.version);
522 SMBIOS_TABLE_SET_STR(2, serial_number_str, type2.serial);
523 SMBIOS_TABLE_SET_STR(2, asset_tag_number_str, type2.asset);
524 t->feature_flags = 0x01; /* Motherboard */
525 SMBIOS_TABLE_SET_STR(2, location_str, type2.location);
526 t->chassis_handle = cpu_to_le16(0x300); /* Type 3 (System enclosure) */
527 t->board_type = 0x0A; /* Motherboard */
528 t->contained_element_count = 0;
530 SMBIOS_BUILD_TABLE_POST;
533 static void smbios_build_type_3_table(void)
535 SMBIOS_BUILD_TABLE_PRE(3, 0x300, true); /* required */
537 SMBIOS_TABLE_SET_STR(3, manufacturer_str, type3.manufacturer);
538 t->type = 0x01; /* Other */
539 SMBIOS_TABLE_SET_STR(3, version_str, type3.version);
540 SMBIOS_TABLE_SET_STR(3, serial_number_str, type3.serial);
541 SMBIOS_TABLE_SET_STR(3, asset_tag_number_str, type3.asset);
542 t->boot_up_state = 0x03; /* Safe */
543 t->power_supply_state = 0x03; /* Safe */
544 t->thermal_state = 0x03; /* Safe */
545 t->security_status = 0x02; /* Unknown */
546 t->oem_defined = cpu_to_le32(0);
548 t->number_of_power_cords = 0;
549 t->contained_element_count = 0;
550 SMBIOS_TABLE_SET_STR(3, sku_number_str, type3.sku);
552 SMBIOS_BUILD_TABLE_POST;
555 static void smbios_build_type_4_table(unsigned instance)
559 SMBIOS_BUILD_TABLE_PRE(4, 0x400 + instance, true); /* required */
561 snprintf(sock_str, sizeof(sock_str), "%s%2x", type4.sock_pfx, instance);
562 SMBIOS_TABLE_SET_STR(4, socket_designation_str, sock_str);
563 t->processor_type = 0x03; /* CPU */
564 t->processor_family = 0x01; /* Other */
565 SMBIOS_TABLE_SET_STR(4, processor_manufacturer_str, type4.manufacturer);
566 t->processor_id[0] = cpu_to_le32(smbios_cpuid_version);
567 t->processor_id[1] = cpu_to_le32(smbios_cpuid_features);
568 SMBIOS_TABLE_SET_STR(4, processor_version_str, type4.version);
570 t->external_clock = cpu_to_le16(0); /* Unknown */
571 /* SVVP requires max_speed and current_speed to not be unknown. */
572 t->max_speed = cpu_to_le16(2000); /* 2000 MHz */
573 t->current_speed = cpu_to_le16(2000); /* 2000 MHz */
574 t->status = 0x41; /* Socket populated, CPU enabled */
575 t->processor_upgrade = 0x01; /* Other */
576 t->l1_cache_handle = cpu_to_le16(0xFFFF); /* N/A */
577 t->l2_cache_handle = cpu_to_le16(0xFFFF); /* N/A */
578 t->l3_cache_handle = cpu_to_le16(0xFFFF); /* N/A */
579 SMBIOS_TABLE_SET_STR(4, serial_number_str, type4.serial);
580 SMBIOS_TABLE_SET_STR(4, asset_tag_number_str, type4.asset);
581 SMBIOS_TABLE_SET_STR(4, part_number_str, type4.part);
582 t->core_count = t->core_enabled = smp_cores;
583 t->thread_count = smp_threads;
584 t->processor_characteristics = cpu_to_le16(0x02); /* Unknown */
585 t->processor_family2 = cpu_to_le16(0x01); /* Other */
587 SMBIOS_BUILD_TABLE_POST;
588 smbios_type4_count++;
591 #define ONE_KB ((ram_addr_t)1 << 10)
592 #define ONE_MB ((ram_addr_t)1 << 20)
593 #define ONE_GB ((ram_addr_t)1 << 30)
595 #define MAX_T16_STD_SZ 0x80000000 /* 2T in Kilobytes */
597 static void smbios_build_type_16_table(unsigned dimm_cnt)
601 SMBIOS_BUILD_TABLE_PRE(16, 0x1000, true); /* required */
603 t->location = 0x01; /* Other */
604 t->use = 0x03; /* System memory */
605 t->error_correction = 0x06; /* Multi-bit ECC (for Microsoft, per SeaBIOS) */
606 size_kb = QEMU_ALIGN_UP(ram_size, ONE_KB) / ONE_KB;
607 if (size_kb < MAX_T16_STD_SZ) {
608 t->maximum_capacity = cpu_to_le32(size_kb);
609 t->extended_maximum_capacity = cpu_to_le64(0);
611 t->maximum_capacity = cpu_to_le32(MAX_T16_STD_SZ);
612 t->extended_maximum_capacity = cpu_to_le64(ram_size);
614 t->memory_error_information_handle = cpu_to_le16(0xFFFE); /* Not provided */
615 t->number_of_memory_devices = cpu_to_le16(dimm_cnt);
617 SMBIOS_BUILD_TABLE_POST;
620 #define MAX_T17_STD_SZ 0x7FFF /* (32G - 1M), in Megabytes */
621 #define MAX_T17_EXT_SZ 0x80000000 /* 2P, in Megabytes */
623 static void smbios_build_type_17_table(unsigned instance, uint64_t size)
628 SMBIOS_BUILD_TABLE_PRE(17, 0x1100 + instance, true); /* required */
630 t->physical_memory_array_handle = cpu_to_le16(0x1000); /* Type 16 above */
631 t->memory_error_information_handle = cpu_to_le16(0xFFFE); /* Not provided */
632 t->total_width = cpu_to_le16(0xFFFF); /* Unknown */
633 t->data_width = cpu_to_le16(0xFFFF); /* Unknown */
634 size_mb = QEMU_ALIGN_UP(size, ONE_MB) / ONE_MB;
635 if (size_mb < MAX_T17_STD_SZ) {
636 t->size = cpu_to_le16(size_mb);
637 t->extended_size = cpu_to_le32(0);
639 assert(size_mb < MAX_T17_EXT_SZ);
640 t->size = cpu_to_le16(MAX_T17_STD_SZ);
641 t->extended_size = cpu_to_le32(size_mb);
643 t->form_factor = 0x09; /* DIMM */
644 t->device_set = 0; /* Not in a set */
645 snprintf(loc_str, sizeof(loc_str), "%s %d", type17.loc_pfx, instance);
646 SMBIOS_TABLE_SET_STR(17, device_locator_str, loc_str);
647 SMBIOS_TABLE_SET_STR(17, bank_locator_str, type17.bank);
648 t->memory_type = 0x07; /* RAM */
649 t->type_detail = cpu_to_le16(0x02); /* Other */
650 t->speed = cpu_to_le16(type17.speed);
651 SMBIOS_TABLE_SET_STR(17, manufacturer_str, type17.manufacturer);
652 SMBIOS_TABLE_SET_STR(17, serial_number_str, type17.serial);
653 SMBIOS_TABLE_SET_STR(17, asset_tag_number_str, type17.asset);
654 SMBIOS_TABLE_SET_STR(17, part_number_str, type17.part);
655 t->attributes = 0; /* Unknown */
656 t->configured_clock_speed = t->speed; /* reuse value for max speed */
657 t->minimum_voltage = cpu_to_le16(0); /* Unknown */
658 t->maximum_voltage = cpu_to_le16(0); /* Unknown */
659 t->configured_voltage = cpu_to_le16(0); /* Unknown */
661 SMBIOS_BUILD_TABLE_POST;
664 static void smbios_build_type_19_table(unsigned instance,
665 uint64_t start, uint64_t size)
667 uint64_t end, start_kb, end_kb;
669 SMBIOS_BUILD_TABLE_PRE(19, 0x1300 + instance, true); /* required */
671 end = start + size - 1;
673 start_kb = start / ONE_KB;
674 end_kb = end / ONE_KB;
675 if (start_kb < UINT32_MAX && end_kb < UINT32_MAX) {
676 t->starting_address = cpu_to_le32(start_kb);
677 t->ending_address = cpu_to_le32(end_kb);
678 t->extended_starting_address =
679 t->extended_ending_address = cpu_to_le64(0);
681 t->starting_address = t->ending_address = cpu_to_le32(UINT32_MAX);
682 t->extended_starting_address = cpu_to_le64(start);
683 t->extended_ending_address = cpu_to_le64(end);
685 t->memory_array_handle = cpu_to_le16(0x1000); /* Type 16 above */
686 t->partition_width = 1; /* One device per row */
688 SMBIOS_BUILD_TABLE_POST;
691 static void smbios_build_type_32_table(void)
693 SMBIOS_BUILD_TABLE_PRE(32, 0x2000, true); /* required */
695 memset(t->reserved, 0, 6);
696 t->boot_status = 0; /* No errors detected */
698 SMBIOS_BUILD_TABLE_POST;
701 static void smbios_build_type_127_table(void)
703 SMBIOS_BUILD_TABLE_PRE(127, 0x7F00, true); /* required */
704 SMBIOS_BUILD_TABLE_POST;
707 void smbios_set_cpuid(uint32_t version, uint32_t features)
709 smbios_cpuid_version = version;
710 smbios_cpuid_features = features;
713 #define SMBIOS_SET_DEFAULT(field, value) \
718 void smbios_set_defaults(const char *manufacturer, const char *product,
719 const char *version, bool legacy_mode,
720 bool uuid_encoded, SmbiosEntryPointType ep_type)
722 smbios_have_defaults = true;
723 smbios_legacy = legacy_mode;
724 smbios_uuid_encoded = uuid_encoded;
725 smbios_ep_type = ep_type;
727 /* drop unwanted version of command-line file blob(s) */
729 g_free(smbios_tables);
730 /* in legacy mode, also complain if fields were given for types > 1 */
731 if (find_next_bit(have_fields_bitmap,
732 SMBIOS_MAX_TYPE+1, 2) < SMBIOS_MAX_TYPE+1) {
733 error_report("can't process fields for smbios "
734 "types > 1 on machine versions < 2.1!");
738 g_free(smbios_entries);
741 SMBIOS_SET_DEFAULT(type1.manufacturer, manufacturer);
742 SMBIOS_SET_DEFAULT(type1.product, product);
743 SMBIOS_SET_DEFAULT(type1.version, version);
744 SMBIOS_SET_DEFAULT(type2.manufacturer, manufacturer);
745 SMBIOS_SET_DEFAULT(type2.product, product);
746 SMBIOS_SET_DEFAULT(type2.version, version);
747 SMBIOS_SET_DEFAULT(type3.manufacturer, manufacturer);
748 SMBIOS_SET_DEFAULT(type3.version, version);
749 SMBIOS_SET_DEFAULT(type4.sock_pfx, "CPU");
750 SMBIOS_SET_DEFAULT(type4.manufacturer, manufacturer);
751 SMBIOS_SET_DEFAULT(type4.version, version);
752 SMBIOS_SET_DEFAULT(type17.loc_pfx, "DIMM");
753 SMBIOS_SET_DEFAULT(type17.manufacturer, manufacturer);
756 static void smbios_entry_point_setup(void)
758 switch (smbios_ep_type) {
759 case SMBIOS_ENTRY_POINT_21:
760 memcpy(ep.ep21.anchor_string, "_SM_", 4);
761 memcpy(ep.ep21.intermediate_anchor_string, "_DMI_", 5);
762 ep.ep21.length = sizeof(struct smbios_21_entry_point);
763 ep.ep21.entry_point_revision = 0; /* formatted_area reserved */
764 memset(ep.ep21.formatted_area, 0, 5);
766 /* compliant with smbios spec v2.8 */
767 ep.ep21.smbios_major_version = 2;
768 ep.ep21.smbios_minor_version = 8;
769 ep.ep21.smbios_bcd_revision = 0x28;
771 /* set during table construction, but BIOS may override: */
772 ep.ep21.structure_table_length = cpu_to_le16(smbios_tables_len);
773 ep.ep21.max_structure_size = cpu_to_le16(smbios_table_max);
774 ep.ep21.number_of_structures = cpu_to_le16(smbios_table_cnt);
776 /* BIOS must recalculate */
777 ep.ep21.checksum = 0;
778 ep.ep21.intermediate_checksum = 0;
779 ep.ep21.structure_table_address = cpu_to_le32(0);
782 case SMBIOS_ENTRY_POINT_30:
783 memcpy(ep.ep30.anchor_string, "_SM3_", 5);
784 ep.ep30.length = sizeof(struct smbios_30_entry_point);
785 ep.ep30.entry_point_revision = 1;
786 ep.ep30.reserved = 0;
788 /* compliant with smbios spec 3.0 */
789 ep.ep30.smbios_major_version = 3;
790 ep.ep30.smbios_minor_version = 0;
791 ep.ep30.smbios_doc_rev = 0;
793 /* set during table construct, but BIOS might override */
794 ep.ep30.structure_table_max_size = cpu_to_le32(smbios_tables_len);
796 /* BIOS must recalculate */
797 ep.ep30.checksum = 0;
798 ep.ep30.structure_table_address = cpu_to_le64(0);
807 void smbios_get_tables(const struct smbios_phys_mem_area *mem_array,
808 const unsigned int mem_array_size,
809 uint8_t **tables, size_t *tables_len,
810 uint8_t **anchor, size_t *anchor_len)
812 unsigned i, dimm_cnt;
815 *tables = *anchor = NULL;
816 *tables_len = *anchor_len = 0;
820 if (!smbios_immutable) {
821 smbios_build_type_0_table();
822 smbios_build_type_1_table();
823 smbios_build_type_2_table();
824 smbios_build_type_3_table();
826 smbios_smp_sockets = DIV_ROUND_UP(smp_cpus, smp_cores * smp_threads);
827 assert(smbios_smp_sockets >= 1);
829 for (i = 0; i < smbios_smp_sockets; i++) {
830 smbios_build_type_4_table(i);
833 #define MAX_DIMM_SZ (16ll * ONE_GB)
834 #define GET_DIMM_SZ ((i < dimm_cnt - 1) ? MAX_DIMM_SZ \
835 : ((ram_size - 1) % MAX_DIMM_SZ) + 1)
837 dimm_cnt = QEMU_ALIGN_UP(ram_size, MAX_DIMM_SZ) / MAX_DIMM_SZ;
839 smbios_build_type_16_table(dimm_cnt);
841 for (i = 0; i < dimm_cnt; i++) {
842 smbios_build_type_17_table(i, GET_DIMM_SZ);
845 for (i = 0; i < mem_array_size; i++) {
846 smbios_build_type_19_table(i, mem_array[i].address,
847 mem_array[i].length);
850 smbios_build_type_32_table();
851 smbios_build_type_127_table();
853 smbios_validate_table();
854 smbios_entry_point_setup();
855 smbios_immutable = true;
858 /* return tables blob and entry point (anchor), and their sizes */
859 *tables = smbios_tables;
860 *tables_len = smbios_tables_len;
861 *anchor = (uint8_t *)&ep;
863 /* calculate length based on anchor string */
864 if (!strncmp((char *)&ep, "_SM_", 4)) {
865 *anchor_len = sizeof(struct smbios_21_entry_point);
866 } else if (!strncmp((char *)&ep, "_SM3_", 5)) {
867 *anchor_len = sizeof(struct smbios_30_entry_point);
873 static void save_opt(const char **dest, QemuOpts *opts, const char *name)
875 const char *val = qemu_opt_get(opts, name);
882 void smbios_entry_add(QemuOpts *opts)
886 assert(!smbios_immutable);
888 val = qemu_opt_get(opts, "file");
890 struct smbios_structure_header *header;
892 struct smbios_table *table; /* legacy mode only */
894 qemu_opts_validate(opts, qemu_smbios_file_opts, &error_fatal);
896 size = get_image_size(val);
897 if (size == -1 || size < sizeof(struct smbios_structure_header)) {
898 error_report("Cannot read SMBIOS file %s", val);
903 * NOTE: standard double '\0' terminator expected, per smbios spec.
904 * (except in legacy mode, where the second '\0' is implicit and
905 * will be inserted by the BIOS).
907 smbios_tables = g_realloc(smbios_tables, smbios_tables_len + size);
908 header = (struct smbios_structure_header *)(smbios_tables +
911 if (load_image(val, (uint8_t *)header) != size) {
912 error_report("Failed to load SMBIOS file %s", val);
916 if (test_bit(header->type, have_fields_bitmap)) {
917 error_report("can't load type %d struct, fields already specified!",
921 set_bit(header->type, have_binfile_bitmap);
923 if (header->type == 4) {
924 smbios_type4_count++;
927 smbios_tables_len += size;
928 if (size > smbios_table_max) {
929 smbios_table_max = size;
933 /* add a copy of the newly loaded blob to legacy smbios_entries */
934 /* NOTE: This code runs before smbios_set_defaults(), so we don't
935 * yet know which mode (legacy vs. aggregate-table) will be
936 * required. We therefore add the binary blob to both legacy
937 * (smbios_entries) and aggregate (smbios_tables) tables, and
938 * delete the one we don't need from smbios_set_defaults(),
939 * once we know which machine version has been requested.
941 if (!smbios_entries) {
942 smbios_entries_len = sizeof(uint16_t);
943 smbios_entries = g_malloc0(smbios_entries_len);
945 smbios_entries = g_realloc(smbios_entries, smbios_entries_len +
946 size + sizeof(*table));
947 table = (struct smbios_table *)(smbios_entries + smbios_entries_len);
948 table->header.type = SMBIOS_TABLE_ENTRY;
949 table->header.length = cpu_to_le16(sizeof(*table) + size);
950 memcpy(table->data, header, size);
951 smbios_entries_len += sizeof(*table) + size;
952 (*(uint16_t *)smbios_entries) =
953 cpu_to_le16(le16_to_cpu(*(uint16_t *)smbios_entries) + 1);
954 /* end: add a copy of the newly loaded blob to legacy smbios_entries */
959 val = qemu_opt_get(opts, "type");
961 unsigned long type = strtoul(val, NULL, 0);
963 if (type > SMBIOS_MAX_TYPE) {
964 error_report("out of range!");
968 if (test_bit(type, have_binfile_bitmap)) {
969 error_report("can't add fields, binary file already loaded!");
972 set_bit(type, have_fields_bitmap);
976 qemu_opts_validate(opts, qemu_smbios_type0_opts, &error_fatal);
977 save_opt(&type0.vendor, opts, "vendor");
978 save_opt(&type0.version, opts, "version");
979 save_opt(&type0.date, opts, "date");
980 type0.uefi = qemu_opt_get_bool(opts, "uefi", false);
982 val = qemu_opt_get(opts, "release");
984 if (sscanf(val, "%hhu.%hhu", &type0.major, &type0.minor) != 2) {
985 error_report("Invalid release");
988 type0.have_major_minor = true;
992 qemu_opts_validate(opts, qemu_smbios_type1_opts, &error_fatal);
993 save_opt(&type1.manufacturer, opts, "manufacturer");
994 save_opt(&type1.product, opts, "product");
995 save_opt(&type1.version, opts, "version");
996 save_opt(&type1.serial, opts, "serial");
997 save_opt(&type1.sku, opts, "sku");
998 save_opt(&type1.family, opts, "family");
1000 val = qemu_opt_get(opts, "uuid");
1002 if (qemu_uuid_parse(val, qemu_uuid) != 0) {
1003 error_report("Invalid UUID");
1006 qemu_uuid_set = true;
1010 qemu_opts_validate(opts, qemu_smbios_type2_opts, &error_fatal);
1011 save_opt(&type2.manufacturer, opts, "manufacturer");
1012 save_opt(&type2.product, opts, "product");
1013 save_opt(&type2.version, opts, "version");
1014 save_opt(&type2.serial, opts, "serial");
1015 save_opt(&type2.asset, opts, "asset");
1016 save_opt(&type2.location, opts, "location");
1019 qemu_opts_validate(opts, qemu_smbios_type3_opts, &error_fatal);
1020 save_opt(&type3.manufacturer, opts, "manufacturer");
1021 save_opt(&type3.version, opts, "version");
1022 save_opt(&type3.serial, opts, "serial");
1023 save_opt(&type3.asset, opts, "asset");
1024 save_opt(&type3.sku, opts, "sku");
1027 qemu_opts_validate(opts, qemu_smbios_type4_opts, &error_fatal);
1028 save_opt(&type4.sock_pfx, opts, "sock_pfx");
1029 save_opt(&type4.manufacturer, opts, "manufacturer");
1030 save_opt(&type4.version, opts, "version");
1031 save_opt(&type4.serial, opts, "serial");
1032 save_opt(&type4.asset, opts, "asset");
1033 save_opt(&type4.part, opts, "part");
1036 qemu_opts_validate(opts, qemu_smbios_type17_opts, &error_fatal);
1037 save_opt(&type17.loc_pfx, opts, "loc_pfx");
1038 save_opt(&type17.bank, opts, "bank");
1039 save_opt(&type17.manufacturer, opts, "manufacturer");
1040 save_opt(&type17.serial, opts, "serial");
1041 save_opt(&type17.asset, opts, "asset");
1042 save_opt(&type17.part, opts, "part");
1043 type17.speed = qemu_opt_get_number(opts, "speed", 0);
1046 error_report("Don't know how to build fields for SMBIOS type %ld",
1052 error_report("Must specify type= or file=");