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18#include "qemu/osdep.h"
19#include "qemu/units.h"
20#include "qapi/error.h"
21#include "qemu/config-file.h"
22#include "qemu/error-report.h"
23#include "qemu/option.h"
24#include "sysemu/sysemu.h"
25#include "qemu/uuid.h"
26#include "sysemu/cpus.h"
27#include "hw/firmware/smbios.h"
28#include "hw/loader.h"
29#include "exec/cpu-common.h"
30#include "smbios_build.h"
31
32
33struct smbios_header {
34 uint16_t length;
35 uint8_t type;
36} QEMU_PACKED;
37
38struct smbios_field {
39 struct smbios_header header;
40 uint8_t type;
41 uint16_t offset;
42 uint8_t data[];
43} QEMU_PACKED;
44
45struct smbios_table {
46 struct smbios_header header;
47 uint8_t data[];
48} QEMU_PACKED;
49
50#define SMBIOS_FIELD_ENTRY 0
51#define SMBIOS_TABLE_ENTRY 1
52
53static uint8_t *smbios_entries;
54static size_t smbios_entries_len;
55static bool smbios_legacy = true;
56static bool smbios_uuid_encoded = true;
57
58
59
60uint8_t *smbios_tables;
61size_t smbios_tables_len;
62unsigned smbios_table_max;
63unsigned smbios_table_cnt;
64static SmbiosEntryPointType smbios_ep_type = SMBIOS_ENTRY_POINT_21;
65
66static SmbiosEntryPoint ep;
67
68static int smbios_type4_count = 0;
69static bool smbios_immutable;
70static bool smbios_have_defaults;
71static uint32_t smbios_cpuid_version, smbios_cpuid_features, smbios_smp_sockets;
72
73static DECLARE_BITMAP(have_binfile_bitmap, SMBIOS_MAX_TYPE+1);
74static DECLARE_BITMAP(have_fields_bitmap, SMBIOS_MAX_TYPE+1);
75
76static struct {
77 const char *vendor, *version, *date;
78 bool have_major_minor, uefi;
79 uint8_t major, minor;
80} type0;
81
82static struct {
83 const char *manufacturer, *product, *version, *serial, *sku, *family;
84
85} type1;
86
87static struct {
88 const char *manufacturer, *product, *version, *serial, *asset, *location;
89} type2;
90
91static struct {
92 const char *manufacturer, *version, *serial, *asset, *sku;
93} type3;
94
95static struct {
96 const char *sock_pfx, *manufacturer, *version, *serial, *asset, *part;
97} type4;
98
99static struct {
100 size_t nvalues;
101 const char **values;
102} type11;
103
104static struct {
105 const char *loc_pfx, *bank, *manufacturer, *serial, *asset, *part;
106 uint16_t speed;
107} type17;
108
109static QemuOptsList qemu_smbios_opts = {
110 .name = "smbios",
111 .head = QTAILQ_HEAD_INITIALIZER(qemu_smbios_opts.head),
112 .desc = {
113
114
115
116
117 { }
118 }
119};
120
121static const QemuOptDesc qemu_smbios_file_opts[] = {
122 {
123 .name = "file",
124 .type = QEMU_OPT_STRING,
125 .help = "binary file containing an SMBIOS element",
126 },
127 { }
128};
129
130static const QemuOptDesc qemu_smbios_type0_opts[] = {
131 {
132 .name = "type",
133 .type = QEMU_OPT_NUMBER,
134 .help = "SMBIOS element type",
135 },{
136 .name = "vendor",
137 .type = QEMU_OPT_STRING,
138 .help = "vendor name",
139 },{
140 .name = "version",
141 .type = QEMU_OPT_STRING,
142 .help = "version number",
143 },{
144 .name = "date",
145 .type = QEMU_OPT_STRING,
146 .help = "release date",
147 },{
148 .name = "release",
149 .type = QEMU_OPT_STRING,
150 .help = "revision number",
151 },{
152 .name = "uefi",
153 .type = QEMU_OPT_BOOL,
154 .help = "uefi support",
155 },
156 { }
157};
158
159static const QemuOptDesc qemu_smbios_type1_opts[] = {
160 {
161 .name = "type",
162 .type = QEMU_OPT_NUMBER,
163 .help = "SMBIOS element type",
164 },{
165 .name = "manufacturer",
166 .type = QEMU_OPT_STRING,
167 .help = "manufacturer name",
168 },{
169 .name = "product",
170 .type = QEMU_OPT_STRING,
171 .help = "product name",
172 },{
173 .name = "version",
174 .type = QEMU_OPT_STRING,
175 .help = "version number",
176 },{
177 .name = "serial",
178 .type = QEMU_OPT_STRING,
179 .help = "serial number",
180 },{
181 .name = "uuid",
182 .type = QEMU_OPT_STRING,
183 .help = "UUID",
184 },{
185 .name = "sku",
186 .type = QEMU_OPT_STRING,
187 .help = "SKU number",
188 },{
189 .name = "family",
190 .type = QEMU_OPT_STRING,
191 .help = "family name",
192 },
193 { }
194};
195
196static const QemuOptDesc qemu_smbios_type2_opts[] = {
197 {
198 .name = "type",
199 .type = QEMU_OPT_NUMBER,
200 .help = "SMBIOS element type",
201 },{
202 .name = "manufacturer",
203 .type = QEMU_OPT_STRING,
204 .help = "manufacturer name",
205 },{
206 .name = "product",
207 .type = QEMU_OPT_STRING,
208 .help = "product name",
209 },{
210 .name = "version",
211 .type = QEMU_OPT_STRING,
212 .help = "version number",
213 },{
214 .name = "serial",
215 .type = QEMU_OPT_STRING,
216 .help = "serial number",
217 },{
218 .name = "asset",
219 .type = QEMU_OPT_STRING,
220 .help = "asset tag number",
221 },{
222 .name = "location",
223 .type = QEMU_OPT_STRING,
224 .help = "location in chassis",
225 },
226 { }
227};
228
229static const QemuOptDesc qemu_smbios_type3_opts[] = {
230 {
231 .name = "type",
232 .type = QEMU_OPT_NUMBER,
233 .help = "SMBIOS element type",
234 },{
235 .name = "manufacturer",
236 .type = QEMU_OPT_STRING,
237 .help = "manufacturer name",
238 },{
239 .name = "version",
240 .type = QEMU_OPT_STRING,
241 .help = "version number",
242 },{
243 .name = "serial",
244 .type = QEMU_OPT_STRING,
245 .help = "serial number",
246 },{
247 .name = "asset",
248 .type = QEMU_OPT_STRING,
249 .help = "asset tag number",
250 },{
251 .name = "sku",
252 .type = QEMU_OPT_STRING,
253 .help = "SKU number",
254 },
255 { }
256};
257
258static const QemuOptDesc qemu_smbios_type4_opts[] = {
259 {
260 .name = "type",
261 .type = QEMU_OPT_NUMBER,
262 .help = "SMBIOS element type",
263 },{
264 .name = "sock_pfx",
265 .type = QEMU_OPT_STRING,
266 .help = "socket designation string prefix",
267 },{
268 .name = "manufacturer",
269 .type = QEMU_OPT_STRING,
270 .help = "manufacturer name",
271 },{
272 .name = "version",
273 .type = QEMU_OPT_STRING,
274 .help = "version number",
275 },{
276 .name = "serial",
277 .type = QEMU_OPT_STRING,
278 .help = "serial number",
279 },{
280 .name = "asset",
281 .type = QEMU_OPT_STRING,
282 .help = "asset tag number",
283 },{
284 .name = "part",
285 .type = QEMU_OPT_STRING,
286 .help = "part number",
287 },
288 { }
289};
290
291static const QemuOptDesc qemu_smbios_type11_opts[] = {
292 {
293 .name = "value",
294 .type = QEMU_OPT_STRING,
295 .help = "OEM string data",
296 },
297};
298
299static const QemuOptDesc qemu_smbios_type17_opts[] = {
300 {
301 .name = "type",
302 .type = QEMU_OPT_NUMBER,
303 .help = "SMBIOS element type",
304 },{
305 .name = "loc_pfx",
306 .type = QEMU_OPT_STRING,
307 .help = "device locator string prefix",
308 },{
309 .name = "bank",
310 .type = QEMU_OPT_STRING,
311 .help = "bank locator string",
312 },{
313 .name = "manufacturer",
314 .type = QEMU_OPT_STRING,
315 .help = "manufacturer name",
316 },{
317 .name = "serial",
318 .type = QEMU_OPT_STRING,
319 .help = "serial number",
320 },{
321 .name = "asset",
322 .type = QEMU_OPT_STRING,
323 .help = "asset tag number",
324 },{
325 .name = "part",
326 .type = QEMU_OPT_STRING,
327 .help = "part number",
328 },{
329 .name = "speed",
330 .type = QEMU_OPT_NUMBER,
331 .help = "maximum capable speed",
332 },
333 { }
334};
335
336static void smbios_register_config(void)
337{
338 qemu_add_opts(&qemu_smbios_opts);
339}
340
341opts_init(smbios_register_config);
342
343static void smbios_validate_table(void)
344{
345 uint32_t expect_t4_count = smbios_legacy ? smp_cpus : smbios_smp_sockets;
346
347 if (smbios_type4_count && smbios_type4_count != expect_t4_count) {
348 error_report("Expected %d SMBIOS Type 4 tables, got %d instead",
349 expect_t4_count, smbios_type4_count);
350 exit(1);
351 }
352}
353
354
355
356static void smbios_add_field(int type, int offset, const void *data, size_t len)
357{
358 struct smbios_field *field;
359
360 if (!smbios_entries) {
361 smbios_entries_len = sizeof(uint16_t);
362 smbios_entries = g_malloc0(smbios_entries_len);
363 }
364 smbios_entries = g_realloc(smbios_entries, smbios_entries_len +
365 sizeof(*field) + len);
366 field = (struct smbios_field *)(smbios_entries + smbios_entries_len);
367 field->header.type = SMBIOS_FIELD_ENTRY;
368 field->header.length = cpu_to_le16(sizeof(*field) + len);
369
370 field->type = type;
371 field->offset = cpu_to_le16(offset);
372 memcpy(field->data, data, len);
373
374 smbios_entries_len += sizeof(*field) + len;
375 (*(uint16_t *)smbios_entries) =
376 cpu_to_le16(le16_to_cpu(*(uint16_t *)smbios_entries) + 1);
377}
378
379static void smbios_maybe_add_str(int type, int offset, const char *data)
380{
381 if (data) {
382 smbios_add_field(type, offset, data, strlen(data) + 1);
383 }
384}
385
386static void smbios_build_type_0_fields(void)
387{
388 smbios_maybe_add_str(0, offsetof(struct smbios_type_0, vendor_str),
389 type0.vendor);
390 smbios_maybe_add_str(0, offsetof(struct smbios_type_0, bios_version_str),
391 type0.version);
392 smbios_maybe_add_str(0, offsetof(struct smbios_type_0,
393 bios_release_date_str),
394 type0.date);
395 if (type0.have_major_minor) {
396 smbios_add_field(0, offsetof(struct smbios_type_0,
397 system_bios_major_release),
398 &type0.major, 1);
399 smbios_add_field(0, offsetof(struct smbios_type_0,
400 system_bios_minor_release),
401 &type0.minor, 1);
402 }
403}
404
405static void smbios_build_type_1_fields(void)
406{
407 smbios_maybe_add_str(1, offsetof(struct smbios_type_1, manufacturer_str),
408 type1.manufacturer);
409 smbios_maybe_add_str(1, offsetof(struct smbios_type_1, product_name_str),
410 type1.product);
411 smbios_maybe_add_str(1, offsetof(struct smbios_type_1, version_str),
412 type1.version);
413 smbios_maybe_add_str(1, offsetof(struct smbios_type_1, serial_number_str),
414 type1.serial);
415 smbios_maybe_add_str(1, offsetof(struct smbios_type_1, sku_number_str),
416 type1.sku);
417 smbios_maybe_add_str(1, offsetof(struct smbios_type_1, family_str),
418 type1.family);
419 if (qemu_uuid_set) {
420
421
422
423
424
425 smbios_add_field(1, offsetof(struct smbios_type_1, uuid),
426 &qemu_uuid, 16);
427 }
428}
429
430uint8_t *smbios_get_table_legacy(size_t *length)
431{
432 if (!smbios_legacy) {
433 *length = 0;
434 return NULL;
435 }
436
437 if (!smbios_immutable) {
438 smbios_build_type_0_fields();
439 smbios_build_type_1_fields();
440 smbios_validate_table();
441 smbios_immutable = true;
442 }
443 *length = smbios_entries_len;
444 return smbios_entries;
445}
446
447
448
449bool smbios_skip_table(uint8_t type, bool required_table)
450{
451 if (test_bit(type, have_binfile_bitmap)) {
452 return true;
453 }
454 if (test_bit(type, have_fields_bitmap)) {
455 return false;
456 }
457 if (smbios_have_defaults && required_table) {
458 return false;
459 }
460 return true;
461}
462
463static void smbios_build_type_0_table(void)
464{
465 SMBIOS_BUILD_TABLE_PRE(0, 0x000, false);
466
467 SMBIOS_TABLE_SET_STR(0, vendor_str, type0.vendor);
468 SMBIOS_TABLE_SET_STR(0, bios_version_str, type0.version);
469
470 t->bios_starting_address_segment = cpu_to_le16(0xE800);
471
472 SMBIOS_TABLE_SET_STR(0, bios_release_date_str, type0.date);
473
474 t->bios_rom_size = 0;
475
476 t->bios_characteristics = cpu_to_le64(0x08);
477 t->bios_characteristics_extension_bytes[0] = 0;
478 t->bios_characteristics_extension_bytes[1] = 0x14;
479 if (type0.uefi) {
480 t->bios_characteristics_extension_bytes[1] |= 0x08;
481 }
482
483 if (type0.have_major_minor) {
484 t->system_bios_major_release = type0.major;
485 t->system_bios_minor_release = type0.minor;
486 } else {
487 t->system_bios_major_release = 0;
488 t->system_bios_minor_release = 0;
489 }
490
491
492 t->embedded_controller_major_release = 0xFF;
493 t->embedded_controller_minor_release = 0xFF;
494
495 SMBIOS_BUILD_TABLE_POST;
496}
497
498
499
500
501static void smbios_encode_uuid(struct smbios_uuid *uuid, QemuUUID *in)
502{
503 memcpy(uuid, in, 16);
504 if (smbios_uuid_encoded) {
505 uuid->time_low = bswap32(uuid->time_low);
506 uuid->time_mid = bswap16(uuid->time_mid);
507 uuid->time_hi_and_version = bswap16(uuid->time_hi_and_version);
508 }
509}
510
511static void smbios_build_type_1_table(void)
512{
513 SMBIOS_BUILD_TABLE_PRE(1, 0x100, true);
514
515 SMBIOS_TABLE_SET_STR(1, manufacturer_str, type1.manufacturer);
516 SMBIOS_TABLE_SET_STR(1, product_name_str, type1.product);
517 SMBIOS_TABLE_SET_STR(1, version_str, type1.version);
518 SMBIOS_TABLE_SET_STR(1, serial_number_str, type1.serial);
519 if (qemu_uuid_set) {
520 smbios_encode_uuid(&t->uuid, &qemu_uuid);
521 } else {
522 memset(&t->uuid, 0, 16);
523 }
524 t->wake_up_type = 0x06;
525 SMBIOS_TABLE_SET_STR(1, sku_number_str, type1.sku);
526 SMBIOS_TABLE_SET_STR(1, family_str, type1.family);
527
528 SMBIOS_BUILD_TABLE_POST;
529}
530
531static void smbios_build_type_2_table(void)
532{
533 SMBIOS_BUILD_TABLE_PRE(2, 0x200, false);
534
535 SMBIOS_TABLE_SET_STR(2, manufacturer_str, type2.manufacturer);
536 SMBIOS_TABLE_SET_STR(2, product_str, type2.product);
537 SMBIOS_TABLE_SET_STR(2, version_str, type2.version);
538 SMBIOS_TABLE_SET_STR(2, serial_number_str, type2.serial);
539 SMBIOS_TABLE_SET_STR(2, asset_tag_number_str, type2.asset);
540 t->feature_flags = 0x01;
541 SMBIOS_TABLE_SET_STR(2, location_str, type2.location);
542 t->chassis_handle = cpu_to_le16(0x300);
543 t->board_type = 0x0A;
544 t->contained_element_count = 0;
545
546 SMBIOS_BUILD_TABLE_POST;
547}
548
549static void smbios_build_type_3_table(void)
550{
551 SMBIOS_BUILD_TABLE_PRE(3, 0x300, true);
552
553 SMBIOS_TABLE_SET_STR(3, manufacturer_str, type3.manufacturer);
554 t->type = 0x01;
555 SMBIOS_TABLE_SET_STR(3, version_str, type3.version);
556 SMBIOS_TABLE_SET_STR(3, serial_number_str, type3.serial);
557 SMBIOS_TABLE_SET_STR(3, asset_tag_number_str, type3.asset);
558 t->boot_up_state = 0x03;
559 t->power_supply_state = 0x03;
560 t->thermal_state = 0x03;
561 t->security_status = 0x02;
562 t->oem_defined = cpu_to_le32(0);
563 t->height = 0;
564 t->number_of_power_cords = 0;
565 t->contained_element_count = 0;
566 t->contained_element_record_length = 0;
567 SMBIOS_TABLE_SET_STR(3, sku_number_str, type3.sku);
568
569 SMBIOS_BUILD_TABLE_POST;
570}
571
572static void smbios_build_type_4_table(unsigned instance)
573{
574 char sock_str[128];
575
576 SMBIOS_BUILD_TABLE_PRE(4, 0x400 + instance, true);
577
578 snprintf(sock_str, sizeof(sock_str), "%s%2x", type4.sock_pfx, instance);
579 SMBIOS_TABLE_SET_STR(4, socket_designation_str, sock_str);
580 t->processor_type = 0x03;
581 t->processor_family = 0x01;
582 SMBIOS_TABLE_SET_STR(4, processor_manufacturer_str, type4.manufacturer);
583 t->processor_id[0] = cpu_to_le32(smbios_cpuid_version);
584 t->processor_id[1] = cpu_to_le32(smbios_cpuid_features);
585 SMBIOS_TABLE_SET_STR(4, processor_version_str, type4.version);
586 t->voltage = 0;
587 t->external_clock = cpu_to_le16(0);
588
589 t->max_speed = cpu_to_le16(2000);
590 t->current_speed = cpu_to_le16(2000);
591 t->status = 0x41;
592 t->processor_upgrade = 0x01;
593 t->l1_cache_handle = cpu_to_le16(0xFFFF);
594 t->l2_cache_handle = cpu_to_le16(0xFFFF);
595 t->l3_cache_handle = cpu_to_le16(0xFFFF);
596 SMBIOS_TABLE_SET_STR(4, serial_number_str, type4.serial);
597 SMBIOS_TABLE_SET_STR(4, asset_tag_number_str, type4.asset);
598 SMBIOS_TABLE_SET_STR(4, part_number_str, type4.part);
599 t->core_count = t->core_enabled = smp_cores;
600 t->thread_count = smp_threads;
601 t->processor_characteristics = cpu_to_le16(0x02);
602 t->processor_family2 = cpu_to_le16(0x01);
603
604 SMBIOS_BUILD_TABLE_POST;
605 smbios_type4_count++;
606}
607
608static void smbios_build_type_11_table(void)
609{
610 char count_str[128];
611 size_t i;
612
613 if (type11.nvalues == 0) {
614 return;
615 }
616
617 SMBIOS_BUILD_TABLE_PRE(11, 0xe00, true);
618
619 snprintf(count_str, sizeof(count_str), "%zu", type11.nvalues);
620 t->count = type11.nvalues;
621
622 for (i = 0; i < type11.nvalues; i++) {
623 SMBIOS_TABLE_SET_STR_LIST(11, type11.values[i]);
624 }
625
626 SMBIOS_BUILD_TABLE_POST;
627}
628
629#define MAX_T16_STD_SZ 0x80000000
630
631static void smbios_build_type_16_table(unsigned dimm_cnt)
632{
633 uint64_t size_kb;
634
635 SMBIOS_BUILD_TABLE_PRE(16, 0x1000, true);
636
637 t->location = 0x01;
638 t->use = 0x03;
639 t->error_correction = 0x06;
640 size_kb = QEMU_ALIGN_UP(ram_size, KiB) / KiB;
641 if (size_kb < MAX_T16_STD_SZ) {
642 t->maximum_capacity = cpu_to_le32(size_kb);
643 t->extended_maximum_capacity = cpu_to_le64(0);
644 } else {
645 t->maximum_capacity = cpu_to_le32(MAX_T16_STD_SZ);
646 t->extended_maximum_capacity = cpu_to_le64(ram_size);
647 }
648 t->memory_error_information_handle = cpu_to_le16(0xFFFE);
649 t->number_of_memory_devices = cpu_to_le16(dimm_cnt);
650
651 SMBIOS_BUILD_TABLE_POST;
652}
653
654#define MAX_T17_STD_SZ 0x7FFF
655#define MAX_T17_EXT_SZ 0x80000000
656
657static void smbios_build_type_17_table(unsigned instance, uint64_t size)
658{
659 char loc_str[128];
660 uint64_t size_mb;
661
662 SMBIOS_BUILD_TABLE_PRE(17, 0x1100 + instance, true);
663
664 t->physical_memory_array_handle = cpu_to_le16(0x1000);
665 t->memory_error_information_handle = cpu_to_le16(0xFFFE);
666 t->total_width = cpu_to_le16(0xFFFF);
667 t->data_width = cpu_to_le16(0xFFFF);
668 size_mb = QEMU_ALIGN_UP(size, MiB) / MiB;
669 if (size_mb < MAX_T17_STD_SZ) {
670 t->size = cpu_to_le16(size_mb);
671 t->extended_size = cpu_to_le32(0);
672 } else {
673 assert(size_mb < MAX_T17_EXT_SZ);
674 t->size = cpu_to_le16(MAX_T17_STD_SZ);
675 t->extended_size = cpu_to_le32(size_mb);
676 }
677 t->form_factor = 0x09;
678 t->device_set = 0;
679 snprintf(loc_str, sizeof(loc_str), "%s %d", type17.loc_pfx, instance);
680 SMBIOS_TABLE_SET_STR(17, device_locator_str, loc_str);
681 SMBIOS_TABLE_SET_STR(17, bank_locator_str, type17.bank);
682 t->memory_type = 0x07;
683 t->type_detail = cpu_to_le16(0x02);
684 t->speed = cpu_to_le16(type17.speed);
685 SMBIOS_TABLE_SET_STR(17, manufacturer_str, type17.manufacturer);
686 SMBIOS_TABLE_SET_STR(17, serial_number_str, type17.serial);
687 SMBIOS_TABLE_SET_STR(17, asset_tag_number_str, type17.asset);
688 SMBIOS_TABLE_SET_STR(17, part_number_str, type17.part);
689 t->attributes = 0;
690 t->configured_clock_speed = t->speed;
691 t->minimum_voltage = cpu_to_le16(0);
692 t->maximum_voltage = cpu_to_le16(0);
693 t->configured_voltage = cpu_to_le16(0);
694
695 SMBIOS_BUILD_TABLE_POST;
696}
697
698static void smbios_build_type_19_table(unsigned instance,
699 uint64_t start, uint64_t size)
700{
701 uint64_t end, start_kb, end_kb;
702
703 SMBIOS_BUILD_TABLE_PRE(19, 0x1300 + instance, true);
704
705 end = start + size - 1;
706 assert(end > start);
707 start_kb = start / KiB;
708 end_kb = end / KiB;
709 if (start_kb < UINT32_MAX && end_kb < UINT32_MAX) {
710 t->starting_address = cpu_to_le32(start_kb);
711 t->ending_address = cpu_to_le32(end_kb);
712 t->extended_starting_address =
713 t->extended_ending_address = cpu_to_le64(0);
714 } else {
715 t->starting_address = t->ending_address = cpu_to_le32(UINT32_MAX);
716 t->extended_starting_address = cpu_to_le64(start);
717 t->extended_ending_address = cpu_to_le64(end);
718 }
719 t->memory_array_handle = cpu_to_le16(0x1000);
720 t->partition_width = 1;
721
722 SMBIOS_BUILD_TABLE_POST;
723}
724
725static void smbios_build_type_32_table(void)
726{
727 SMBIOS_BUILD_TABLE_PRE(32, 0x2000, true);
728
729 memset(t->reserved, 0, 6);
730 t->boot_status = 0;
731
732 SMBIOS_BUILD_TABLE_POST;
733}
734
735static void smbios_build_type_127_table(void)
736{
737 SMBIOS_BUILD_TABLE_PRE(127, 0x7F00, true);
738 SMBIOS_BUILD_TABLE_POST;
739}
740
741void smbios_set_cpuid(uint32_t version, uint32_t features)
742{
743 smbios_cpuid_version = version;
744 smbios_cpuid_features = features;
745}
746
747#define SMBIOS_SET_DEFAULT(field, value) \
748 if (!field) { \
749 field = value; \
750 }
751
752void smbios_set_defaults(const char *manufacturer, const char *product,
753 const char *version, bool legacy_mode,
754 bool uuid_encoded, SmbiosEntryPointType ep_type)
755{
756 smbios_have_defaults = true;
757 smbios_legacy = legacy_mode;
758 smbios_uuid_encoded = uuid_encoded;
759 smbios_ep_type = ep_type;
760
761
762 if (smbios_legacy) {
763 g_free(smbios_tables);
764
765 if (find_next_bit(have_fields_bitmap,
766 SMBIOS_MAX_TYPE+1, 2) < SMBIOS_MAX_TYPE+1) {
767 error_report("can't process fields for smbios "
768 "types > 1 on machine versions < 2.1!");
769 exit(1);
770 }
771 } else {
772 g_free(smbios_entries);
773 }
774
775 SMBIOS_SET_DEFAULT(type1.manufacturer, manufacturer);
776 SMBIOS_SET_DEFAULT(type1.product, product);
777 SMBIOS_SET_DEFAULT(type1.version, version);
778 SMBIOS_SET_DEFAULT(type2.manufacturer, manufacturer);
779 SMBIOS_SET_DEFAULT(type2.product, product);
780 SMBIOS_SET_DEFAULT(type2.version, version);
781 SMBIOS_SET_DEFAULT(type3.manufacturer, manufacturer);
782 SMBIOS_SET_DEFAULT(type3.version, version);
783 SMBIOS_SET_DEFAULT(type4.sock_pfx, "CPU");
784 SMBIOS_SET_DEFAULT(type4.manufacturer, manufacturer);
785 SMBIOS_SET_DEFAULT(type4.version, version);
786 SMBIOS_SET_DEFAULT(type17.loc_pfx, "DIMM");
787 SMBIOS_SET_DEFAULT(type17.manufacturer, manufacturer);
788}
789
790static void smbios_entry_point_setup(void)
791{
792 switch (smbios_ep_type) {
793 case SMBIOS_ENTRY_POINT_21:
794 memcpy(ep.ep21.anchor_string, "_SM_", 4);
795 memcpy(ep.ep21.intermediate_anchor_string, "_DMI_", 5);
796 ep.ep21.length = sizeof(struct smbios_21_entry_point);
797 ep.ep21.entry_point_revision = 0;
798 memset(ep.ep21.formatted_area, 0, 5);
799
800
801 ep.ep21.smbios_major_version = 2;
802 ep.ep21.smbios_minor_version = 8;
803 ep.ep21.smbios_bcd_revision = 0x28;
804
805
806 ep.ep21.structure_table_length = cpu_to_le16(smbios_tables_len);
807 ep.ep21.max_structure_size = cpu_to_le16(smbios_table_max);
808 ep.ep21.number_of_structures = cpu_to_le16(smbios_table_cnt);
809
810
811 ep.ep21.checksum = 0;
812 ep.ep21.intermediate_checksum = 0;
813 ep.ep21.structure_table_address = cpu_to_le32(0);
814
815 break;
816 case SMBIOS_ENTRY_POINT_30:
817 memcpy(ep.ep30.anchor_string, "_SM3_", 5);
818 ep.ep30.length = sizeof(struct smbios_30_entry_point);
819 ep.ep30.entry_point_revision = 1;
820 ep.ep30.reserved = 0;
821
822
823 ep.ep30.smbios_major_version = 3;
824 ep.ep30.smbios_minor_version = 0;
825 ep.ep30.smbios_doc_rev = 0;
826
827
828 ep.ep30.structure_table_max_size = cpu_to_le32(smbios_tables_len);
829
830
831 ep.ep30.checksum = 0;
832 ep.ep30.structure_table_address = cpu_to_le64(0);
833
834 break;
835 default:
836 abort();
837 break;
838 }
839}
840
841void smbios_get_tables(const struct smbios_phys_mem_area *mem_array,
842 const unsigned int mem_array_size,
843 uint8_t **tables, size_t *tables_len,
844 uint8_t **anchor, size_t *anchor_len)
845{
846 unsigned i, dimm_cnt;
847
848 if (smbios_legacy) {
849 *tables = *anchor = NULL;
850 *tables_len = *anchor_len = 0;
851 return;
852 }
853
854 if (!smbios_immutable) {
855 smbios_build_type_0_table();
856 smbios_build_type_1_table();
857 smbios_build_type_2_table();
858 smbios_build_type_3_table();
859
860 smbios_smp_sockets = DIV_ROUND_UP(smp_cpus, smp_cores * smp_threads);
861 assert(smbios_smp_sockets >= 1);
862
863 for (i = 0; i < smbios_smp_sockets; i++) {
864 smbios_build_type_4_table(i);
865 }
866
867 smbios_build_type_11_table();
868
869#define MAX_DIMM_SZ (16 * GiB)
870#define GET_DIMM_SZ ((i < dimm_cnt - 1) ? MAX_DIMM_SZ \
871 : ((ram_size - 1) % MAX_DIMM_SZ) + 1)
872
873 dimm_cnt = QEMU_ALIGN_UP(ram_size, MAX_DIMM_SZ) / MAX_DIMM_SZ;
874
875 smbios_build_type_16_table(dimm_cnt);
876
877 for (i = 0; i < dimm_cnt; i++) {
878 smbios_build_type_17_table(i, GET_DIMM_SZ);
879 }
880
881 for (i = 0; i < mem_array_size; i++) {
882 smbios_build_type_19_table(i, mem_array[i].address,
883 mem_array[i].length);
884 }
885
886 smbios_build_type_32_table();
887 smbios_build_type_38_table();
888 smbios_build_type_127_table();
889
890 smbios_validate_table();
891 smbios_entry_point_setup();
892 smbios_immutable = true;
893 }
894
895
896 *tables = smbios_tables;
897 *tables_len = smbios_tables_len;
898 *anchor = (uint8_t *)&ep;
899
900
901 if (!strncmp((char *)&ep, "_SM_", 4)) {
902 *anchor_len = sizeof(struct smbios_21_entry_point);
903 } else if (!strncmp((char *)&ep, "_SM3_", 5)) {
904 *anchor_len = sizeof(struct smbios_30_entry_point);
905 } else {
906 abort();
907 }
908}
909
910static void save_opt(const char **dest, QemuOpts *opts, const char *name)
911{
912 const char *val = qemu_opt_get(opts, name);
913
914 if (val) {
915 *dest = val;
916 }
917}
918
919
920struct opt_list {
921 const char *name;
922 size_t *ndest;
923 const char ***dest;
924};
925
926static int save_opt_one(void *opaque,
927 const char *name, const char *value,
928 Error **errp)
929{
930 struct opt_list *opt = opaque;
931
932 if (!g_str_equal(name, opt->name)) {
933 return 0;
934 }
935
936 *opt->dest = g_renew(const char *, *opt->dest, (*opt->ndest) + 1);
937 (*opt->dest)[*opt->ndest] = value;
938 (*opt->ndest)++;
939 return 0;
940}
941
942static void save_opt_list(size_t *ndest, const char ***dest,
943 QemuOpts *opts, const char *name)
944{
945 struct opt_list opt = {
946 name, ndest, dest,
947 };
948 qemu_opt_foreach(opts, save_opt_one, &opt, NULL);
949}
950
951void smbios_entry_add(QemuOpts *opts, Error **errp)
952{
953 Error *err = NULL;
954 const char *val;
955
956 assert(!smbios_immutable);
957
958 val = qemu_opt_get(opts, "file");
959 if (val) {
960 struct smbios_structure_header *header;
961 int size;
962 struct smbios_table *table;
963
964 qemu_opts_validate(opts, qemu_smbios_file_opts, &err);
965 if (err) {
966 error_propagate(errp, err);
967 return;
968 }
969
970 size = get_image_size(val);
971 if (size == -1 || size < sizeof(struct smbios_structure_header)) {
972 error_setg(errp, "Cannot read SMBIOS file %s", val);
973 return;
974 }
975
976
977
978
979
980
981 smbios_tables = g_realloc(smbios_tables, smbios_tables_len + size);
982 header = (struct smbios_structure_header *)(smbios_tables +
983 smbios_tables_len);
984
985 if (load_image_size(val, (uint8_t *)header, size) != size) {
986 error_setg(errp, "Failed to load SMBIOS file %s", val);
987 return;
988 }
989
990 if (test_bit(header->type, have_fields_bitmap)) {
991 error_setg(errp,
992 "can't load type %d struct, fields already specified!",
993 header->type);
994 return;
995 }
996 set_bit(header->type, have_binfile_bitmap);
997
998 if (header->type == 4) {
999 smbios_type4_count++;
1000 }
1001
1002 smbios_tables_len += size;
1003 if (size > smbios_table_max) {
1004 smbios_table_max = size;
1005 }
1006 smbios_table_cnt++;
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016 if (!smbios_entries) {
1017 smbios_entries_len = sizeof(uint16_t);
1018 smbios_entries = g_malloc0(smbios_entries_len);
1019 }
1020 smbios_entries = g_realloc(smbios_entries, smbios_entries_len +
1021 size + sizeof(*table));
1022 table = (struct smbios_table *)(smbios_entries + smbios_entries_len);
1023 table->header.type = SMBIOS_TABLE_ENTRY;
1024 table->header.length = cpu_to_le16(sizeof(*table) + size);
1025 memcpy(table->data, header, size);
1026 smbios_entries_len += sizeof(*table) + size;
1027 (*(uint16_t *)smbios_entries) =
1028 cpu_to_le16(le16_to_cpu(*(uint16_t *)smbios_entries) + 1);
1029
1030
1031 return;
1032 }
1033
1034 val = qemu_opt_get(opts, "type");
1035 if (val) {
1036 unsigned long type = strtoul(val, NULL, 0);
1037
1038 if (type > SMBIOS_MAX_TYPE) {
1039 error_setg(errp, "out of range!");
1040 return;
1041 }
1042
1043 if (test_bit(type, have_binfile_bitmap)) {
1044 error_setg(errp, "can't add fields, binary file already loaded!");
1045 return;
1046 }
1047 set_bit(type, have_fields_bitmap);
1048
1049 switch (type) {
1050 case 0:
1051 qemu_opts_validate(opts, qemu_smbios_type0_opts, &err);
1052 if (err) {
1053 error_propagate(errp, err);
1054 return;
1055 }
1056 save_opt(&type0.vendor, opts, "vendor");
1057 save_opt(&type0.version, opts, "version");
1058 save_opt(&type0.date, opts, "date");
1059 type0.uefi = qemu_opt_get_bool(opts, "uefi", false);
1060
1061 val = qemu_opt_get(opts, "release");
1062 if (val) {
1063 if (sscanf(val, "%hhu.%hhu", &type0.major, &type0.minor) != 2) {
1064 error_setg(errp, "Invalid release");
1065 return;
1066 }
1067 type0.have_major_minor = true;
1068 }
1069 return;
1070 case 1:
1071 qemu_opts_validate(opts, qemu_smbios_type1_opts, &err);
1072 if (err) {
1073 error_propagate(errp, err);
1074 return;
1075 }
1076 save_opt(&type1.manufacturer, opts, "manufacturer");
1077 save_opt(&type1.product, opts, "product");
1078 save_opt(&type1.version, opts, "version");
1079 save_opt(&type1.serial, opts, "serial");
1080 save_opt(&type1.sku, opts, "sku");
1081 save_opt(&type1.family, opts, "family");
1082
1083 val = qemu_opt_get(opts, "uuid");
1084 if (val) {
1085 if (qemu_uuid_parse(val, &qemu_uuid) != 0) {
1086 error_setg(errp, "Invalid UUID");
1087 return;
1088 }
1089 qemu_uuid_set = true;
1090 }
1091 return;
1092 case 2:
1093 qemu_opts_validate(opts, qemu_smbios_type2_opts, &err);
1094 if (err) {
1095 error_propagate(errp, err);
1096 return;
1097 }
1098 save_opt(&type2.manufacturer, opts, "manufacturer");
1099 save_opt(&type2.product, opts, "product");
1100 save_opt(&type2.version, opts, "version");
1101 save_opt(&type2.serial, opts, "serial");
1102 save_opt(&type2.asset, opts, "asset");
1103 save_opt(&type2.location, opts, "location");
1104 return;
1105 case 3:
1106 qemu_opts_validate(opts, qemu_smbios_type3_opts, &err);
1107 if (err) {
1108 error_propagate(errp, err);
1109 return;
1110 }
1111 save_opt(&type3.manufacturer, opts, "manufacturer");
1112 save_opt(&type3.version, opts, "version");
1113 save_opt(&type3.serial, opts, "serial");
1114 save_opt(&type3.asset, opts, "asset");
1115 save_opt(&type3.sku, opts, "sku");
1116 return;
1117 case 4:
1118 qemu_opts_validate(opts, qemu_smbios_type4_opts, &err);
1119 if (err) {
1120 error_propagate(errp, err);
1121 return;
1122 }
1123 save_opt(&type4.sock_pfx, opts, "sock_pfx");
1124 save_opt(&type4.manufacturer, opts, "manufacturer");
1125 save_opt(&type4.version, opts, "version");
1126 save_opt(&type4.serial, opts, "serial");
1127 save_opt(&type4.asset, opts, "asset");
1128 save_opt(&type4.part, opts, "part");
1129 return;
1130 case 11:
1131 qemu_opts_validate(opts, qemu_smbios_type11_opts, &err);
1132 if (err) {
1133 error_propagate(errp, err);
1134 return;
1135 }
1136 save_opt_list(&type11.nvalues, &type11.values, opts, "value");
1137 return;
1138 case 17:
1139 qemu_opts_validate(opts, qemu_smbios_type17_opts, &err);
1140 if (err) {
1141 error_propagate(errp, err);
1142 return;
1143 }
1144 save_opt(&type17.loc_pfx, opts, "loc_pfx");
1145 save_opt(&type17.bank, opts, "bank");
1146 save_opt(&type17.manufacturer, opts, "manufacturer");
1147 save_opt(&type17.serial, opts, "serial");
1148 save_opt(&type17.asset, opts, "asset");
1149 save_opt(&type17.part, opts, "part");
1150 type17.speed = qemu_opt_get_number(opts, "speed", 0);
1151 return;
1152 default:
1153 error_setg(errp,
1154 "Don't know how to build fields for SMBIOS type %ld",
1155 type);
1156 return;
1157 }
1158 }
1159
1160 error_setg(errp, "Must specify type= or file=");
1161}
1162