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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/module.h"
24#include "qemu/option.h"
25#include "sysemu/sysemu.h"
26#include "qemu/uuid.h"
27#include "sysemu/cpus.h"
28#include "hw/firmware/smbios.h"
29#include "hw/loader.h"
30#include "hw/boards.h"
31#include "exec/cpu-common.h"
32#include "smbios_build.h"
33
34
35struct smbios_header {
36 uint16_t length;
37 uint8_t type;
38} QEMU_PACKED;
39
40struct smbios_field {
41 struct smbios_header header;
42 uint8_t type;
43 uint16_t offset;
44 uint8_t data[];
45} QEMU_PACKED;
46
47struct smbios_table {
48 struct smbios_header header;
49 uint8_t data[];
50} QEMU_PACKED;
51
52#define SMBIOS_FIELD_ENTRY 0
53#define SMBIOS_TABLE_ENTRY 1
54
55static uint8_t *smbios_entries;
56static size_t smbios_entries_len;
57static bool smbios_legacy = true;
58static bool smbios_uuid_encoded = true;
59
60
61
62uint8_t *smbios_tables;
63size_t smbios_tables_len;
64unsigned smbios_table_max;
65unsigned smbios_table_cnt;
66static SmbiosEntryPointType smbios_ep_type = SMBIOS_ENTRY_POINT_21;
67
68static SmbiosEntryPoint ep;
69
70static int smbios_type4_count = 0;
71static bool smbios_immutable;
72static bool smbios_have_defaults;
73static uint32_t smbios_cpuid_version, smbios_cpuid_features, smbios_smp_sockets;
74
75static DECLARE_BITMAP(have_binfile_bitmap, SMBIOS_MAX_TYPE+1);
76static DECLARE_BITMAP(have_fields_bitmap, SMBIOS_MAX_TYPE+1);
77
78static struct {
79 const char *vendor, *version, *date;
80 bool have_major_minor, uefi;
81 uint8_t major, minor;
82} type0;
83
84static struct {
85 const char *manufacturer, *product, *version, *serial, *sku, *family;
86
87} type1;
88
89static struct {
90 const char *manufacturer, *product, *version, *serial, *asset, *location;
91} type2;
92
93static struct {
94 const char *manufacturer, *version, *serial, *asset, *sku;
95} type3;
96
97static struct {
98 const char *sock_pfx, *manufacturer, *version, *serial, *asset, *part;
99} type4;
100
101static struct {
102 size_t nvalues;
103 const char **values;
104} type11;
105
106static struct {
107 const char *loc_pfx, *bank, *manufacturer, *serial, *asset, *part;
108 uint16_t speed;
109} type17;
110
111static QemuOptsList qemu_smbios_opts = {
112 .name = "smbios",
113 .head = QTAILQ_HEAD_INITIALIZER(qemu_smbios_opts.head),
114 .desc = {
115
116
117
118
119 { }
120 }
121};
122
123static const QemuOptDesc qemu_smbios_file_opts[] = {
124 {
125 .name = "file",
126 .type = QEMU_OPT_STRING,
127 .help = "binary file containing an SMBIOS element",
128 },
129 { }
130};
131
132static const QemuOptDesc qemu_smbios_type0_opts[] = {
133 {
134 .name = "type",
135 .type = QEMU_OPT_NUMBER,
136 .help = "SMBIOS element type",
137 },{
138 .name = "vendor",
139 .type = QEMU_OPT_STRING,
140 .help = "vendor name",
141 },{
142 .name = "version",
143 .type = QEMU_OPT_STRING,
144 .help = "version number",
145 },{
146 .name = "date",
147 .type = QEMU_OPT_STRING,
148 .help = "release date",
149 },{
150 .name = "release",
151 .type = QEMU_OPT_STRING,
152 .help = "revision number",
153 },{
154 .name = "uefi",
155 .type = QEMU_OPT_BOOL,
156 .help = "uefi support",
157 },
158 { }
159};
160
161static const QemuOptDesc qemu_smbios_type1_opts[] = {
162 {
163 .name = "type",
164 .type = QEMU_OPT_NUMBER,
165 .help = "SMBIOS element type",
166 },{
167 .name = "manufacturer",
168 .type = QEMU_OPT_STRING,
169 .help = "manufacturer name",
170 },{
171 .name = "product",
172 .type = QEMU_OPT_STRING,
173 .help = "product name",
174 },{
175 .name = "version",
176 .type = QEMU_OPT_STRING,
177 .help = "version number",
178 },{
179 .name = "serial",
180 .type = QEMU_OPT_STRING,
181 .help = "serial number",
182 },{
183 .name = "uuid",
184 .type = QEMU_OPT_STRING,
185 .help = "UUID",
186 },{
187 .name = "sku",
188 .type = QEMU_OPT_STRING,
189 .help = "SKU number",
190 },{
191 .name = "family",
192 .type = QEMU_OPT_STRING,
193 .help = "family name",
194 },
195 { }
196};
197
198static const QemuOptDesc qemu_smbios_type2_opts[] = {
199 {
200 .name = "type",
201 .type = QEMU_OPT_NUMBER,
202 .help = "SMBIOS element type",
203 },{
204 .name = "manufacturer",
205 .type = QEMU_OPT_STRING,
206 .help = "manufacturer name",
207 },{
208 .name = "product",
209 .type = QEMU_OPT_STRING,
210 .help = "product name",
211 },{
212 .name = "version",
213 .type = QEMU_OPT_STRING,
214 .help = "version number",
215 },{
216 .name = "serial",
217 .type = QEMU_OPT_STRING,
218 .help = "serial number",
219 },{
220 .name = "asset",
221 .type = QEMU_OPT_STRING,
222 .help = "asset tag number",
223 },{
224 .name = "location",
225 .type = QEMU_OPT_STRING,
226 .help = "location in chassis",
227 },
228 { }
229};
230
231static const QemuOptDesc qemu_smbios_type3_opts[] = {
232 {
233 .name = "type",
234 .type = QEMU_OPT_NUMBER,
235 .help = "SMBIOS element type",
236 },{
237 .name = "manufacturer",
238 .type = QEMU_OPT_STRING,
239 .help = "manufacturer name",
240 },{
241 .name = "version",
242 .type = QEMU_OPT_STRING,
243 .help = "version number",
244 },{
245 .name = "serial",
246 .type = QEMU_OPT_STRING,
247 .help = "serial number",
248 },{
249 .name = "asset",
250 .type = QEMU_OPT_STRING,
251 .help = "asset tag number",
252 },{
253 .name = "sku",
254 .type = QEMU_OPT_STRING,
255 .help = "SKU number",
256 },
257 { }
258};
259
260static const QemuOptDesc qemu_smbios_type4_opts[] = {
261 {
262 .name = "type",
263 .type = QEMU_OPT_NUMBER,
264 .help = "SMBIOS element type",
265 },{
266 .name = "sock_pfx",
267 .type = QEMU_OPT_STRING,
268 .help = "socket designation string prefix",
269 },{
270 .name = "manufacturer",
271 .type = QEMU_OPT_STRING,
272 .help = "manufacturer name",
273 },{
274 .name = "version",
275 .type = QEMU_OPT_STRING,
276 .help = "version number",
277 },{
278 .name = "serial",
279 .type = QEMU_OPT_STRING,
280 .help = "serial number",
281 },{
282 .name = "asset",
283 .type = QEMU_OPT_STRING,
284 .help = "asset tag number",
285 },{
286 .name = "part",
287 .type = QEMU_OPT_STRING,
288 .help = "part number",
289 },
290 { }
291};
292
293static const QemuOptDesc qemu_smbios_type11_opts[] = {
294 {
295 .name = "value",
296 .type = QEMU_OPT_STRING,
297 .help = "OEM string data",
298 },
299};
300
301static const QemuOptDesc qemu_smbios_type17_opts[] = {
302 {
303 .name = "type",
304 .type = QEMU_OPT_NUMBER,
305 .help = "SMBIOS element type",
306 },{
307 .name = "loc_pfx",
308 .type = QEMU_OPT_STRING,
309 .help = "device locator string prefix",
310 },{
311 .name = "bank",
312 .type = QEMU_OPT_STRING,
313 .help = "bank locator string",
314 },{
315 .name = "manufacturer",
316 .type = QEMU_OPT_STRING,
317 .help = "manufacturer name",
318 },{
319 .name = "serial",
320 .type = QEMU_OPT_STRING,
321 .help = "serial number",
322 },{
323 .name = "asset",
324 .type = QEMU_OPT_STRING,
325 .help = "asset tag number",
326 },{
327 .name = "part",
328 .type = QEMU_OPT_STRING,
329 .help = "part number",
330 },{
331 .name = "speed",
332 .type = QEMU_OPT_NUMBER,
333 .help = "maximum capable speed",
334 },
335 { }
336};
337
338static void smbios_register_config(void)
339{
340 qemu_add_opts(&qemu_smbios_opts);
341}
342
343opts_init(smbios_register_config);
344
345static void smbios_validate_table(MachineState *ms)
346{
347 uint32_t expect_t4_count = smbios_legacy ?
348 ms->smp.cpus : smbios_smp_sockets;
349
350 if (smbios_type4_count && smbios_type4_count != expect_t4_count) {
351 error_report("Expected %d SMBIOS Type 4 tables, got %d instead",
352 expect_t4_count, smbios_type4_count);
353 exit(1);
354 }
355}
356
357
358
359static void smbios_add_field(int type, int offset, const void *data, size_t len)
360{
361 struct smbios_field *field;
362
363 if (!smbios_entries) {
364 smbios_entries_len = sizeof(uint16_t);
365 smbios_entries = g_malloc0(smbios_entries_len);
366 }
367 smbios_entries = g_realloc(smbios_entries, smbios_entries_len +
368 sizeof(*field) + len);
369 field = (struct smbios_field *)(smbios_entries + smbios_entries_len);
370 field->header.type = SMBIOS_FIELD_ENTRY;
371 field->header.length = cpu_to_le16(sizeof(*field) + len);
372
373 field->type = type;
374 field->offset = cpu_to_le16(offset);
375 memcpy(field->data, data, len);
376
377 smbios_entries_len += sizeof(*field) + len;
378 (*(uint16_t *)smbios_entries) =
379 cpu_to_le16(le16_to_cpu(*(uint16_t *)smbios_entries) + 1);
380}
381
382static void smbios_maybe_add_str(int type, int offset, const char *data)
383{
384 if (data) {
385 smbios_add_field(type, offset, data, strlen(data) + 1);
386 }
387}
388
389static void smbios_build_type_0_fields(void)
390{
391 smbios_maybe_add_str(0, offsetof(struct smbios_type_0, vendor_str),
392 type0.vendor);
393 smbios_maybe_add_str(0, offsetof(struct smbios_type_0, bios_version_str),
394 type0.version);
395 smbios_maybe_add_str(0, offsetof(struct smbios_type_0,
396 bios_release_date_str),
397 type0.date);
398 if (type0.have_major_minor) {
399 smbios_add_field(0, offsetof(struct smbios_type_0,
400 system_bios_major_release),
401 &type0.major, 1);
402 smbios_add_field(0, offsetof(struct smbios_type_0,
403 system_bios_minor_release),
404 &type0.minor, 1);
405 }
406}
407
408static void smbios_build_type_1_fields(void)
409{
410 smbios_maybe_add_str(1, offsetof(struct smbios_type_1, manufacturer_str),
411 type1.manufacturer);
412 smbios_maybe_add_str(1, offsetof(struct smbios_type_1, product_name_str),
413 type1.product);
414 smbios_maybe_add_str(1, offsetof(struct smbios_type_1, version_str),
415 type1.version);
416 smbios_maybe_add_str(1, offsetof(struct smbios_type_1, serial_number_str),
417 type1.serial);
418 smbios_maybe_add_str(1, offsetof(struct smbios_type_1, sku_number_str),
419 type1.sku);
420 smbios_maybe_add_str(1, offsetof(struct smbios_type_1, family_str),
421 type1.family);
422 if (qemu_uuid_set) {
423
424
425
426
427
428 smbios_add_field(1, offsetof(struct smbios_type_1, uuid),
429 &qemu_uuid, 16);
430 }
431}
432
433uint8_t *smbios_get_table_legacy(MachineState *ms, size_t *length)
434{
435 if (!smbios_legacy) {
436 *length = 0;
437 return NULL;
438 }
439
440 if (!smbios_immutable) {
441 smbios_build_type_0_fields();
442 smbios_build_type_1_fields();
443 smbios_validate_table(ms);
444 smbios_immutable = true;
445 }
446 *length = smbios_entries_len;
447 return smbios_entries;
448}
449
450
451
452bool smbios_skip_table(uint8_t type, bool required_table)
453{
454 if (test_bit(type, have_binfile_bitmap)) {
455 return true;
456 }
457 if (test_bit(type, have_fields_bitmap)) {
458 return false;
459 }
460 if (smbios_have_defaults && required_table) {
461 return false;
462 }
463 return true;
464}
465
466static void smbios_build_type_0_table(void)
467{
468 SMBIOS_BUILD_TABLE_PRE(0, 0x000, false);
469
470 SMBIOS_TABLE_SET_STR(0, vendor_str, type0.vendor);
471 SMBIOS_TABLE_SET_STR(0, bios_version_str, type0.version);
472
473 t->bios_starting_address_segment = cpu_to_le16(0xE800);
474
475 SMBIOS_TABLE_SET_STR(0, bios_release_date_str, type0.date);
476
477 t->bios_rom_size = 0;
478
479 t->bios_characteristics = cpu_to_le64(0x08);
480 t->bios_characteristics_extension_bytes[0] = 0;
481 t->bios_characteristics_extension_bytes[1] = 0x14;
482 if (type0.uefi) {
483 t->bios_characteristics_extension_bytes[1] |= 0x08;
484 }
485
486 if (type0.have_major_minor) {
487 t->system_bios_major_release = type0.major;
488 t->system_bios_minor_release = type0.minor;
489 } else {
490 t->system_bios_major_release = 0;
491 t->system_bios_minor_release = 0;
492 }
493
494
495 t->embedded_controller_major_release = 0xFF;
496 t->embedded_controller_minor_release = 0xFF;
497
498 SMBIOS_BUILD_TABLE_POST;
499}
500
501
502
503
504static void smbios_encode_uuid(struct smbios_uuid *uuid, QemuUUID *in)
505{
506 memcpy(uuid, in, 16);
507 if (smbios_uuid_encoded) {
508 uuid->time_low = bswap32(uuid->time_low);
509 uuid->time_mid = bswap16(uuid->time_mid);
510 uuid->time_hi_and_version = bswap16(uuid->time_hi_and_version);
511 }
512}
513
514static void smbios_build_type_1_table(void)
515{
516 SMBIOS_BUILD_TABLE_PRE(1, 0x100, true);
517
518 SMBIOS_TABLE_SET_STR(1, manufacturer_str, type1.manufacturer);
519 SMBIOS_TABLE_SET_STR(1, product_name_str, type1.product);
520 SMBIOS_TABLE_SET_STR(1, version_str, type1.version);
521 SMBIOS_TABLE_SET_STR(1, serial_number_str, type1.serial);
522 if (qemu_uuid_set) {
523 smbios_encode_uuid(&t->uuid, &qemu_uuid);
524 } else {
525 memset(&t->uuid, 0, 16);
526 }
527 t->wake_up_type = 0x06;
528 SMBIOS_TABLE_SET_STR(1, sku_number_str, type1.sku);
529 SMBIOS_TABLE_SET_STR(1, family_str, type1.family);
530
531 SMBIOS_BUILD_TABLE_POST;
532}
533
534static void smbios_build_type_2_table(void)
535{
536 SMBIOS_BUILD_TABLE_PRE(2, 0x200, false);
537
538 SMBIOS_TABLE_SET_STR(2, manufacturer_str, type2.manufacturer);
539 SMBIOS_TABLE_SET_STR(2, product_str, type2.product);
540 SMBIOS_TABLE_SET_STR(2, version_str, type2.version);
541 SMBIOS_TABLE_SET_STR(2, serial_number_str, type2.serial);
542 SMBIOS_TABLE_SET_STR(2, asset_tag_number_str, type2.asset);
543 t->feature_flags = 0x01;
544 SMBIOS_TABLE_SET_STR(2, location_str, type2.location);
545 t->chassis_handle = cpu_to_le16(0x300);
546 t->board_type = 0x0A;
547 t->contained_element_count = 0;
548
549 SMBIOS_BUILD_TABLE_POST;
550}
551
552static void smbios_build_type_3_table(void)
553{
554 SMBIOS_BUILD_TABLE_PRE(3, 0x300, true);
555
556 SMBIOS_TABLE_SET_STR(3, manufacturer_str, type3.manufacturer);
557 t->type = 0x01;
558 SMBIOS_TABLE_SET_STR(3, version_str, type3.version);
559 SMBIOS_TABLE_SET_STR(3, serial_number_str, type3.serial);
560 SMBIOS_TABLE_SET_STR(3, asset_tag_number_str, type3.asset);
561 t->boot_up_state = 0x03;
562 t->power_supply_state = 0x03;
563 t->thermal_state = 0x03;
564 t->security_status = 0x02;
565 t->oem_defined = cpu_to_le32(0);
566 t->height = 0;
567 t->number_of_power_cords = 0;
568 t->contained_element_count = 0;
569 t->contained_element_record_length = 0;
570 SMBIOS_TABLE_SET_STR(3, sku_number_str, type3.sku);
571
572 SMBIOS_BUILD_TABLE_POST;
573}
574
575static void smbios_build_type_4_table(MachineState *ms, unsigned instance)
576{
577 char sock_str[128];
578
579 SMBIOS_BUILD_TABLE_PRE(4, 0x400 + instance, true);
580
581 snprintf(sock_str, sizeof(sock_str), "%s%2x", type4.sock_pfx, instance);
582 SMBIOS_TABLE_SET_STR(4, socket_designation_str, sock_str);
583 t->processor_type = 0x03;
584 t->processor_family = 0x01;
585 SMBIOS_TABLE_SET_STR(4, processor_manufacturer_str, type4.manufacturer);
586 t->processor_id[0] = cpu_to_le32(smbios_cpuid_version);
587 t->processor_id[1] = cpu_to_le32(smbios_cpuid_features);
588 SMBIOS_TABLE_SET_STR(4, processor_version_str, type4.version);
589 t->voltage = 0;
590 t->external_clock = cpu_to_le16(0);
591
592 t->max_speed = cpu_to_le16(2000);
593 t->current_speed = cpu_to_le16(2000);
594 t->status = 0x41;
595 t->processor_upgrade = 0x01;
596 t->l1_cache_handle = cpu_to_le16(0xFFFF);
597 t->l2_cache_handle = cpu_to_le16(0xFFFF);
598 t->l3_cache_handle = cpu_to_le16(0xFFFF);
599 SMBIOS_TABLE_SET_STR(4, serial_number_str, type4.serial);
600 SMBIOS_TABLE_SET_STR(4, asset_tag_number_str, type4.asset);
601 SMBIOS_TABLE_SET_STR(4, part_number_str, type4.part);
602 t->core_count = t->core_enabled = ms->smp.cores;
603 t->thread_count = ms->smp.threads;
604 t->processor_characteristics = cpu_to_le16(0x02);
605 t->processor_family2 = cpu_to_le16(0x01);
606
607 SMBIOS_BUILD_TABLE_POST;
608 smbios_type4_count++;
609}
610
611static void smbios_build_type_11_table(void)
612{
613 char count_str[128];
614 size_t i;
615
616 if (type11.nvalues == 0) {
617 return;
618 }
619
620 SMBIOS_BUILD_TABLE_PRE(11, 0xe00, true);
621
622 snprintf(count_str, sizeof(count_str), "%zu", type11.nvalues);
623 t->count = type11.nvalues;
624
625 for (i = 0; i < type11.nvalues; i++) {
626 SMBIOS_TABLE_SET_STR_LIST(11, type11.values[i]);
627 }
628
629 SMBIOS_BUILD_TABLE_POST;
630}
631
632#define MAX_T16_STD_SZ 0x80000000
633
634static void smbios_build_type_16_table(unsigned dimm_cnt)
635{
636 uint64_t size_kb;
637
638 SMBIOS_BUILD_TABLE_PRE(16, 0x1000, true);
639
640 t->location = 0x01;
641 t->use = 0x03;
642 t->error_correction = 0x06;
643 size_kb = QEMU_ALIGN_UP(ram_size, KiB) / KiB;
644 if (size_kb < MAX_T16_STD_SZ) {
645 t->maximum_capacity = cpu_to_le32(size_kb);
646 t->extended_maximum_capacity = cpu_to_le64(0);
647 } else {
648 t->maximum_capacity = cpu_to_le32(MAX_T16_STD_SZ);
649 t->extended_maximum_capacity = cpu_to_le64(ram_size);
650 }
651 t->memory_error_information_handle = cpu_to_le16(0xFFFE);
652 t->number_of_memory_devices = cpu_to_le16(dimm_cnt);
653
654 SMBIOS_BUILD_TABLE_POST;
655}
656
657#define MAX_T17_STD_SZ 0x7FFF
658#define MAX_T17_EXT_SZ 0x80000000
659
660static void smbios_build_type_17_table(unsigned instance, uint64_t size)
661{
662 char loc_str[128];
663 uint64_t size_mb;
664
665 SMBIOS_BUILD_TABLE_PRE(17, 0x1100 + instance, true);
666
667 t->physical_memory_array_handle = cpu_to_le16(0x1000);
668 t->memory_error_information_handle = cpu_to_le16(0xFFFE);
669 t->total_width = cpu_to_le16(0xFFFF);
670 t->data_width = cpu_to_le16(0xFFFF);
671 size_mb = QEMU_ALIGN_UP(size, MiB) / MiB;
672 if (size_mb < MAX_T17_STD_SZ) {
673 t->size = cpu_to_le16(size_mb);
674 t->extended_size = cpu_to_le32(0);
675 } else {
676 assert(size_mb < MAX_T17_EXT_SZ);
677 t->size = cpu_to_le16(MAX_T17_STD_SZ);
678 t->extended_size = cpu_to_le32(size_mb);
679 }
680 t->form_factor = 0x09;
681 t->device_set = 0;
682 snprintf(loc_str, sizeof(loc_str), "%s %d", type17.loc_pfx, instance);
683 SMBIOS_TABLE_SET_STR(17, device_locator_str, loc_str);
684 SMBIOS_TABLE_SET_STR(17, bank_locator_str, type17.bank);
685 t->memory_type = 0x07;
686 t->type_detail = cpu_to_le16(0x02);
687 t->speed = cpu_to_le16(type17.speed);
688 SMBIOS_TABLE_SET_STR(17, manufacturer_str, type17.manufacturer);
689 SMBIOS_TABLE_SET_STR(17, serial_number_str, type17.serial);
690 SMBIOS_TABLE_SET_STR(17, asset_tag_number_str, type17.asset);
691 SMBIOS_TABLE_SET_STR(17, part_number_str, type17.part);
692 t->attributes = 0;
693 t->configured_clock_speed = t->speed;
694 t->minimum_voltage = cpu_to_le16(0);
695 t->maximum_voltage = cpu_to_le16(0);
696 t->configured_voltage = cpu_to_le16(0);
697
698 SMBIOS_BUILD_TABLE_POST;
699}
700
701static void smbios_build_type_19_table(unsigned instance,
702 uint64_t start, uint64_t size)
703{
704 uint64_t end, start_kb, end_kb;
705
706 SMBIOS_BUILD_TABLE_PRE(19, 0x1300 + instance, true);
707
708 end = start + size - 1;
709 assert(end > start);
710 start_kb = start / KiB;
711 end_kb = end / KiB;
712 if (start_kb < UINT32_MAX && end_kb < UINT32_MAX) {
713 t->starting_address = cpu_to_le32(start_kb);
714 t->ending_address = cpu_to_le32(end_kb);
715 t->extended_starting_address =
716 t->extended_ending_address = cpu_to_le64(0);
717 } else {
718 t->starting_address = t->ending_address = cpu_to_le32(UINT32_MAX);
719 t->extended_starting_address = cpu_to_le64(start);
720 t->extended_ending_address = cpu_to_le64(end);
721 }
722 t->memory_array_handle = cpu_to_le16(0x1000);
723 t->partition_width = 1;
724
725 SMBIOS_BUILD_TABLE_POST;
726}
727
728static void smbios_build_type_32_table(void)
729{
730 SMBIOS_BUILD_TABLE_PRE(32, 0x2000, true);
731
732 memset(t->reserved, 0, 6);
733 t->boot_status = 0;
734
735 SMBIOS_BUILD_TABLE_POST;
736}
737
738static void smbios_build_type_127_table(void)
739{
740 SMBIOS_BUILD_TABLE_PRE(127, 0x7F00, true);
741 SMBIOS_BUILD_TABLE_POST;
742}
743
744void smbios_set_cpuid(uint32_t version, uint32_t features)
745{
746 smbios_cpuid_version = version;
747 smbios_cpuid_features = features;
748}
749
750#define SMBIOS_SET_DEFAULT(field, value) \
751 if (!field) { \
752 field = value; \
753 }
754
755void smbios_set_defaults(const char *manufacturer, const char *product,
756 const char *version, bool legacy_mode,
757 bool uuid_encoded, SmbiosEntryPointType ep_type)
758{
759 smbios_have_defaults = true;
760 smbios_legacy = legacy_mode;
761 smbios_uuid_encoded = uuid_encoded;
762 smbios_ep_type = ep_type;
763
764
765 if (smbios_legacy) {
766 g_free(smbios_tables);
767
768 if (find_next_bit(have_fields_bitmap,
769 SMBIOS_MAX_TYPE+1, 2) < SMBIOS_MAX_TYPE+1) {
770 error_report("can't process fields for smbios "
771 "types > 1 on machine versions < 2.1!");
772 exit(1);
773 }
774 } else {
775 g_free(smbios_entries);
776 }
777
778 SMBIOS_SET_DEFAULT(type1.manufacturer, manufacturer);
779 SMBIOS_SET_DEFAULT(type1.product, product);
780 SMBIOS_SET_DEFAULT(type1.version, version);
781 SMBIOS_SET_DEFAULT(type2.manufacturer, manufacturer);
782 SMBIOS_SET_DEFAULT(type2.product, product);
783 SMBIOS_SET_DEFAULT(type2.version, version);
784 SMBIOS_SET_DEFAULT(type3.manufacturer, manufacturer);
785 SMBIOS_SET_DEFAULT(type3.version, version);
786 SMBIOS_SET_DEFAULT(type4.sock_pfx, "CPU");
787 SMBIOS_SET_DEFAULT(type4.manufacturer, manufacturer);
788 SMBIOS_SET_DEFAULT(type4.version, version);
789 SMBIOS_SET_DEFAULT(type17.loc_pfx, "DIMM");
790 SMBIOS_SET_DEFAULT(type17.manufacturer, manufacturer);
791}
792
793static void smbios_entry_point_setup(void)
794{
795 switch (smbios_ep_type) {
796 case SMBIOS_ENTRY_POINT_21:
797 memcpy(ep.ep21.anchor_string, "_SM_", 4);
798 memcpy(ep.ep21.intermediate_anchor_string, "_DMI_", 5);
799 ep.ep21.length = sizeof(struct smbios_21_entry_point);
800 ep.ep21.entry_point_revision = 0;
801 memset(ep.ep21.formatted_area, 0, 5);
802
803
804 ep.ep21.smbios_major_version = 2;
805 ep.ep21.smbios_minor_version = 8;
806 ep.ep21.smbios_bcd_revision = 0x28;
807
808
809 ep.ep21.structure_table_length = cpu_to_le16(smbios_tables_len);
810 ep.ep21.max_structure_size = cpu_to_le16(smbios_table_max);
811 ep.ep21.number_of_structures = cpu_to_le16(smbios_table_cnt);
812
813
814 ep.ep21.checksum = 0;
815 ep.ep21.intermediate_checksum = 0;
816 ep.ep21.structure_table_address = cpu_to_le32(0);
817
818 break;
819 case SMBIOS_ENTRY_POINT_30:
820 memcpy(ep.ep30.anchor_string, "_SM3_", 5);
821 ep.ep30.length = sizeof(struct smbios_30_entry_point);
822 ep.ep30.entry_point_revision = 1;
823 ep.ep30.reserved = 0;
824
825
826 ep.ep30.smbios_major_version = 3;
827 ep.ep30.smbios_minor_version = 0;
828 ep.ep30.smbios_doc_rev = 0;
829
830
831 ep.ep30.structure_table_max_size = cpu_to_le32(smbios_tables_len);
832
833
834 ep.ep30.checksum = 0;
835 ep.ep30.structure_table_address = cpu_to_le64(0);
836
837 break;
838 default:
839 abort();
840 break;
841 }
842}
843
844void smbios_get_tables(MachineState *ms,
845 const struct smbios_phys_mem_area *mem_array,
846 const unsigned int mem_array_size,
847 uint8_t **tables, size_t *tables_len,
848 uint8_t **anchor, size_t *anchor_len)
849{
850 unsigned i, dimm_cnt;
851
852 if (smbios_legacy) {
853 *tables = *anchor = NULL;
854 *tables_len = *anchor_len = 0;
855 return;
856 }
857
858 if (!smbios_immutable) {
859 smbios_build_type_0_table();
860 smbios_build_type_1_table();
861 smbios_build_type_2_table();
862 smbios_build_type_3_table();
863
864 smbios_smp_sockets = DIV_ROUND_UP(ms->smp.cpus,
865 ms->smp.cores * ms->smp.threads);
866 assert(smbios_smp_sockets >= 1);
867
868 for (i = 0; i < smbios_smp_sockets; i++) {
869 smbios_build_type_4_table(ms, i);
870 }
871
872 smbios_build_type_11_table();
873
874#define MAX_DIMM_SZ (16 * GiB)
875#define GET_DIMM_SZ ((i < dimm_cnt - 1) ? MAX_DIMM_SZ \
876 : ((ram_size - 1) % MAX_DIMM_SZ) + 1)
877
878 dimm_cnt = QEMU_ALIGN_UP(ram_size, MAX_DIMM_SZ) / MAX_DIMM_SZ;
879
880 smbios_build_type_16_table(dimm_cnt);
881
882 for (i = 0; i < dimm_cnt; i++) {
883 smbios_build_type_17_table(i, GET_DIMM_SZ);
884 }
885
886 for (i = 0; i < mem_array_size; i++) {
887 smbios_build_type_19_table(i, mem_array[i].address,
888 mem_array[i].length);
889 }
890
891 smbios_build_type_32_table();
892 smbios_build_type_38_table();
893 smbios_build_type_127_table();
894
895 smbios_validate_table(ms);
896 smbios_entry_point_setup();
897 smbios_immutable = true;
898 }
899
900
901 *tables = smbios_tables;
902 *tables_len = smbios_tables_len;
903 *anchor = (uint8_t *)&ep;
904
905
906 if (!strncmp((char *)&ep, "_SM_", 4)) {
907 *anchor_len = sizeof(struct smbios_21_entry_point);
908 } else if (!strncmp((char *)&ep, "_SM3_", 5)) {
909 *anchor_len = sizeof(struct smbios_30_entry_point);
910 } else {
911 abort();
912 }
913}
914
915static void save_opt(const char **dest, QemuOpts *opts, const char *name)
916{
917 const char *val = qemu_opt_get(opts, name);
918
919 if (val) {
920 *dest = val;
921 }
922}
923
924
925struct opt_list {
926 const char *name;
927 size_t *ndest;
928 const char ***dest;
929};
930
931static int save_opt_one(void *opaque,
932 const char *name, const char *value,
933 Error **errp)
934{
935 struct opt_list *opt = opaque;
936
937 if (!g_str_equal(name, opt->name)) {
938 return 0;
939 }
940
941 *opt->dest = g_renew(const char *, *opt->dest, (*opt->ndest) + 1);
942 (*opt->dest)[*opt->ndest] = value;
943 (*opt->ndest)++;
944 return 0;
945}
946
947static void save_opt_list(size_t *ndest, const char ***dest,
948 QemuOpts *opts, const char *name)
949{
950 struct opt_list opt = {
951 name, ndest, dest,
952 };
953 qemu_opt_foreach(opts, save_opt_one, &opt, NULL);
954}
955
956void smbios_entry_add(QemuOpts *opts, Error **errp)
957{
958 Error *err = NULL;
959 const char *val;
960
961 assert(!smbios_immutable);
962
963 val = qemu_opt_get(opts, "file");
964 if (val) {
965 struct smbios_structure_header *header;
966 int size;
967 struct smbios_table *table;
968
969 qemu_opts_validate(opts, qemu_smbios_file_opts, &err);
970 if (err) {
971 error_propagate(errp, err);
972 return;
973 }
974
975 size = get_image_size(val);
976 if (size == -1 || size < sizeof(struct smbios_structure_header)) {
977 error_setg(errp, "Cannot read SMBIOS file %s", val);
978 return;
979 }
980
981
982
983
984
985
986 smbios_tables = g_realloc(smbios_tables, smbios_tables_len + size);
987 header = (struct smbios_structure_header *)(smbios_tables +
988 smbios_tables_len);
989
990 if (load_image_size(val, (uint8_t *)header, size) != size) {
991 error_setg(errp, "Failed to load SMBIOS file %s", val);
992 return;
993 }
994
995 if (test_bit(header->type, have_fields_bitmap)) {
996 error_setg(errp,
997 "can't load type %d struct, fields already specified!",
998 header->type);
999 return;
1000 }
1001 set_bit(header->type, have_binfile_bitmap);
1002
1003 if (header->type == 4) {
1004 smbios_type4_count++;
1005 }
1006
1007 smbios_tables_len += size;
1008 if (size > smbios_table_max) {
1009 smbios_table_max = size;
1010 }
1011 smbios_table_cnt++;
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021 if (!smbios_entries) {
1022 smbios_entries_len = sizeof(uint16_t);
1023 smbios_entries = g_malloc0(smbios_entries_len);
1024 }
1025 smbios_entries = g_realloc(smbios_entries, smbios_entries_len +
1026 size + sizeof(*table));
1027 table = (struct smbios_table *)(smbios_entries + smbios_entries_len);
1028 table->header.type = SMBIOS_TABLE_ENTRY;
1029 table->header.length = cpu_to_le16(sizeof(*table) + size);
1030 memcpy(table->data, header, size);
1031 smbios_entries_len += sizeof(*table) + size;
1032 (*(uint16_t *)smbios_entries) =
1033 cpu_to_le16(le16_to_cpu(*(uint16_t *)smbios_entries) + 1);
1034
1035
1036 return;
1037 }
1038
1039 val = qemu_opt_get(opts, "type");
1040 if (val) {
1041 unsigned long type = strtoul(val, NULL, 0);
1042
1043 if (type > SMBIOS_MAX_TYPE) {
1044 error_setg(errp, "out of range!");
1045 return;
1046 }
1047
1048 if (test_bit(type, have_binfile_bitmap)) {
1049 error_setg(errp, "can't add fields, binary file already loaded!");
1050 return;
1051 }
1052 set_bit(type, have_fields_bitmap);
1053
1054 switch (type) {
1055 case 0:
1056 qemu_opts_validate(opts, qemu_smbios_type0_opts, &err);
1057 if (err) {
1058 error_propagate(errp, err);
1059 return;
1060 }
1061 save_opt(&type0.vendor, opts, "vendor");
1062 save_opt(&type0.version, opts, "version");
1063 save_opt(&type0.date, opts, "date");
1064 type0.uefi = qemu_opt_get_bool(opts, "uefi", false);
1065
1066 val = qemu_opt_get(opts, "release");
1067 if (val) {
1068 if (sscanf(val, "%hhu.%hhu", &type0.major, &type0.minor) != 2) {
1069 error_setg(errp, "Invalid release");
1070 return;
1071 }
1072 type0.have_major_minor = true;
1073 }
1074 return;
1075 case 1:
1076 qemu_opts_validate(opts, qemu_smbios_type1_opts, &err);
1077 if (err) {
1078 error_propagate(errp, err);
1079 return;
1080 }
1081 save_opt(&type1.manufacturer, opts, "manufacturer");
1082 save_opt(&type1.product, opts, "product");
1083 save_opt(&type1.version, opts, "version");
1084 save_opt(&type1.serial, opts, "serial");
1085 save_opt(&type1.sku, opts, "sku");
1086 save_opt(&type1.family, opts, "family");
1087
1088 val = qemu_opt_get(opts, "uuid");
1089 if (val) {
1090 if (qemu_uuid_parse(val, &qemu_uuid) != 0) {
1091 error_setg(errp, "Invalid UUID");
1092 return;
1093 }
1094 qemu_uuid_set = true;
1095 }
1096 return;
1097 case 2:
1098 qemu_opts_validate(opts, qemu_smbios_type2_opts, &err);
1099 if (err) {
1100 error_propagate(errp, err);
1101 return;
1102 }
1103 save_opt(&type2.manufacturer, opts, "manufacturer");
1104 save_opt(&type2.product, opts, "product");
1105 save_opt(&type2.version, opts, "version");
1106 save_opt(&type2.serial, opts, "serial");
1107 save_opt(&type2.asset, opts, "asset");
1108 save_opt(&type2.location, opts, "location");
1109 return;
1110 case 3:
1111 qemu_opts_validate(opts, qemu_smbios_type3_opts, &err);
1112 if (err) {
1113 error_propagate(errp, err);
1114 return;
1115 }
1116 save_opt(&type3.manufacturer, opts, "manufacturer");
1117 save_opt(&type3.version, opts, "version");
1118 save_opt(&type3.serial, opts, "serial");
1119 save_opt(&type3.asset, opts, "asset");
1120 save_opt(&type3.sku, opts, "sku");
1121 return;
1122 case 4:
1123 qemu_opts_validate(opts, qemu_smbios_type4_opts, &err);
1124 if (err) {
1125 error_propagate(errp, err);
1126 return;
1127 }
1128 save_opt(&type4.sock_pfx, opts, "sock_pfx");
1129 save_opt(&type4.manufacturer, opts, "manufacturer");
1130 save_opt(&type4.version, opts, "version");
1131 save_opt(&type4.serial, opts, "serial");
1132 save_opt(&type4.asset, opts, "asset");
1133 save_opt(&type4.part, opts, "part");
1134 return;
1135 case 11:
1136 qemu_opts_validate(opts, qemu_smbios_type11_opts, &err);
1137 if (err) {
1138 error_propagate(errp, err);
1139 return;
1140 }
1141 save_opt_list(&type11.nvalues, &type11.values, opts, "value");
1142 return;
1143 case 17:
1144 qemu_opts_validate(opts, qemu_smbios_type17_opts, &err);
1145 if (err) {
1146 error_propagate(errp, err);
1147 return;
1148 }
1149 save_opt(&type17.loc_pfx, opts, "loc_pfx");
1150 save_opt(&type17.bank, opts, "bank");
1151 save_opt(&type17.manufacturer, opts, "manufacturer");
1152 save_opt(&type17.serial, opts, "serial");
1153 save_opt(&type17.asset, opts, "asset");
1154 save_opt(&type17.part, opts, "part");
1155 type17.speed = qemu_opt_get_number(opts, "speed", 0);
1156 return;
1157 default:
1158 error_setg(errp,
1159 "Don't know how to build fields for SMBIOS type %ld",
1160 type);
1161 return;
1162 }
1163 }
1164
1165 error_setg(errp, "Must specify type= or file=");
1166}
1167