meson: convert hw/vfio
[qemu.git] / hw / smbios / smbios.c
1 /*
2 * SMBIOS Support
3 *
4 * Copyright (C) 2009 Hewlett-Packard Development Company, L.P.
5 * Copyright (C) 2013 Red Hat, Inc.
6 *
7 * Authors:
8 * Alex Williamson <alex.williamson@hp.com>
9 * Markus Armbruster <armbru@redhat.com>
10 *
11 * This work is licensed under the terms of the GNU GPL, version 2. See
12 * the COPYING file in the top-level directory.
13 *
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.
16 */
17
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 "hw/firmware/smbios.h"
28 #include "hw/loader.h"
29 #include "hw/boards.h"
30 #include "smbios_build.h"
31
32 /* legacy structures and constants for <= 2.0 machines */
33 struct smbios_header {
34 uint16_t length;
35 uint8_t type;
36 } QEMU_PACKED;
37
38 struct smbios_field {
39 struct smbios_header header;
40 uint8_t type;
41 uint16_t offset;
42 uint8_t data[];
43 } QEMU_PACKED;
44
45 struct 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
53 static uint8_t *smbios_entries;
54 static size_t smbios_entries_len;
55 static bool smbios_legacy = true;
56 static bool smbios_uuid_encoded = true;
57 /* end: legacy structures & constants for <= 2.0 machines */
58
59
60 uint8_t *smbios_tables;
61 size_t smbios_tables_len;
62 unsigned smbios_table_max;
63 unsigned smbios_table_cnt;
64 static SmbiosEntryPointType smbios_ep_type = SMBIOS_ENTRY_POINT_21;
65
66 static SmbiosEntryPoint ep;
67
68 static int smbios_type4_count = 0;
69 static bool smbios_immutable;
70 static bool smbios_have_defaults;
71 static uint32_t smbios_cpuid_version, smbios_cpuid_features, smbios_smp_sockets;
72
73 static DECLARE_BITMAP(have_binfile_bitmap, SMBIOS_MAX_TYPE+1);
74 static DECLARE_BITMAP(have_fields_bitmap, SMBIOS_MAX_TYPE+1);
75
76 static struct {
77 const char *vendor, *version, *date;
78 bool have_major_minor, uefi;
79 uint8_t major, minor;
80 } type0;
81
82 static struct {
83 const char *manufacturer, *product, *version, *serial, *sku, *family;
84 /* uuid is in qemu_uuid */
85 } type1;
86
87 static struct {
88 const char *manufacturer, *product, *version, *serial, *asset, *location;
89 } type2;
90
91 static struct {
92 const char *manufacturer, *version, *serial, *asset, *sku;
93 } type3;
94
95 static struct {
96 const char *sock_pfx, *manufacturer, *version, *serial, *asset, *part;
97 } type4;
98
99 static struct {
100 size_t nvalues;
101 const char **values;
102 } type11;
103
104 static struct {
105 const char *loc_pfx, *bank, *manufacturer, *serial, *asset, *part;
106 uint16_t speed;
107 } type17;
108
109 static QemuOptsList qemu_smbios_opts = {
110 .name = "smbios",
111 .head = QTAILQ_HEAD_INITIALIZER(qemu_smbios_opts.head),
112 .desc = {
113 /*
114 * no elements => accept any params
115 * validation will happen later
116 */
117 { /* end of list */ }
118 }
119 };
120
121 static 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 { /* end of list */ }
128 };
129
130 static 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 { /* end of list */ }
157 };
158
159 static 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 { /* end of list */ }
194 };
195
196 static 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 { /* end of list */ }
227 };
228
229 static 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 { /* end of list */ }
256 };
257
258 static 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 { /* end of list */ }
289 };
290
291 static const QemuOptDesc qemu_smbios_type11_opts[] = {
292 {
293 .name = "value",
294 .type = QEMU_OPT_STRING,
295 .help = "OEM string data",
296 },
297 };
298
299 static 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 { /* end of list */ }
334 };
335
336 static void smbios_register_config(void)
337 {
338 qemu_add_opts(&qemu_smbios_opts);
339 }
340
341 opts_init(smbios_register_config);
342
343 static void smbios_validate_table(MachineState *ms)
344 {
345 uint32_t expect_t4_count = smbios_legacy ?
346 ms->smp.cpus : smbios_smp_sockets;
347
348 if (smbios_type4_count && smbios_type4_count != expect_t4_count) {
349 error_report("Expected %d SMBIOS Type 4 tables, got %d instead",
350 expect_t4_count, smbios_type4_count);
351 exit(1);
352 }
353 }
354
355
356 /* legacy setup functions for <= 2.0 machines */
357 static void smbios_add_field(int type, int offset, const void *data, size_t len)
358 {
359 struct smbios_field *field;
360
361 if (!smbios_entries) {
362 smbios_entries_len = sizeof(uint16_t);
363 smbios_entries = g_malloc0(smbios_entries_len);
364 }
365 smbios_entries = g_realloc(smbios_entries, smbios_entries_len +
366 sizeof(*field) + len);
367 field = (struct smbios_field *)(smbios_entries + smbios_entries_len);
368 field->header.type = SMBIOS_FIELD_ENTRY;
369 field->header.length = cpu_to_le16(sizeof(*field) + len);
370
371 field->type = type;
372 field->offset = cpu_to_le16(offset);
373 memcpy(field->data, data, len);
374
375 smbios_entries_len += sizeof(*field) + len;
376 (*(uint16_t *)smbios_entries) =
377 cpu_to_le16(le16_to_cpu(*(uint16_t *)smbios_entries) + 1);
378 }
379
380 static void smbios_maybe_add_str(int type, int offset, const char *data)
381 {
382 if (data) {
383 smbios_add_field(type, offset, data, strlen(data) + 1);
384 }
385 }
386
387 static void smbios_build_type_0_fields(void)
388 {
389 smbios_maybe_add_str(0, offsetof(struct smbios_type_0, vendor_str),
390 type0.vendor);
391 smbios_maybe_add_str(0, offsetof(struct smbios_type_0, bios_version_str),
392 type0.version);
393 smbios_maybe_add_str(0, offsetof(struct smbios_type_0,
394 bios_release_date_str),
395 type0.date);
396 if (type0.have_major_minor) {
397 smbios_add_field(0, offsetof(struct smbios_type_0,
398 system_bios_major_release),
399 &type0.major, 1);
400 smbios_add_field(0, offsetof(struct smbios_type_0,
401 system_bios_minor_release),
402 &type0.minor, 1);
403 }
404 }
405
406 static void smbios_build_type_1_fields(void)
407 {
408 smbios_maybe_add_str(1, offsetof(struct smbios_type_1, manufacturer_str),
409 type1.manufacturer);
410 smbios_maybe_add_str(1, offsetof(struct smbios_type_1, product_name_str),
411 type1.product);
412 smbios_maybe_add_str(1, offsetof(struct smbios_type_1, version_str),
413 type1.version);
414 smbios_maybe_add_str(1, offsetof(struct smbios_type_1, serial_number_str),
415 type1.serial);
416 smbios_maybe_add_str(1, offsetof(struct smbios_type_1, sku_number_str),
417 type1.sku);
418 smbios_maybe_add_str(1, offsetof(struct smbios_type_1, family_str),
419 type1.family);
420 if (qemu_uuid_set) {
421 /* We don't encode the UUID in the "wire format" here because this
422 * function is for legacy mode and needs to keep the guest ABI, and
423 * because we don't know what's the SMBIOS version advertised by the
424 * BIOS.
425 */
426 smbios_add_field(1, offsetof(struct smbios_type_1, uuid),
427 &qemu_uuid, 16);
428 }
429 }
430
431 uint8_t *smbios_get_table_legacy(MachineState *ms, size_t *length)
432 {
433 if (!smbios_legacy) {
434 *length = 0;
435 return NULL;
436 }
437
438 if (!smbios_immutable) {
439 smbios_build_type_0_fields();
440 smbios_build_type_1_fields();
441 smbios_validate_table(ms);
442 smbios_immutable = true;
443 }
444 *length = smbios_entries_len;
445 return smbios_entries;
446 }
447 /* end: legacy setup functions for <= 2.0 machines */
448
449
450 bool smbios_skip_table(uint8_t type, bool required_table)
451 {
452 if (test_bit(type, have_binfile_bitmap)) {
453 return true; /* user provided their own binary blob(s) */
454 }
455 if (test_bit(type, have_fields_bitmap)) {
456 return false; /* user provided fields via command line */
457 }
458 if (smbios_have_defaults && required_table) {
459 return false; /* we're building tables, and this one's required */
460 }
461 return true;
462 }
463
464 static void smbios_build_type_0_table(void)
465 {
466 SMBIOS_BUILD_TABLE_PRE(0, 0x000, false); /* optional, leave up to BIOS */
467
468 SMBIOS_TABLE_SET_STR(0, vendor_str, type0.vendor);
469 SMBIOS_TABLE_SET_STR(0, bios_version_str, type0.version);
470
471 t->bios_starting_address_segment = cpu_to_le16(0xE800); /* from SeaBIOS */
472
473 SMBIOS_TABLE_SET_STR(0, bios_release_date_str, type0.date);
474
475 t->bios_rom_size = 0; /* hardcoded in SeaBIOS with FIXME comment */
476
477 t->bios_characteristics = cpu_to_le64(0x08); /* Not supported */
478 t->bios_characteristics_extension_bytes[0] = 0;
479 t->bios_characteristics_extension_bytes[1] = 0x14; /* TCD/SVVP | VM */
480 if (type0.uefi) {
481 t->bios_characteristics_extension_bytes[1] |= 0x08; /* |= UEFI */
482 }
483
484 if (type0.have_major_minor) {
485 t->system_bios_major_release = type0.major;
486 t->system_bios_minor_release = type0.minor;
487 } else {
488 t->system_bios_major_release = 0;
489 t->system_bios_minor_release = 0;
490 }
491
492 /* hardcoded in SeaBIOS */
493 t->embedded_controller_major_release = 0xFF;
494 t->embedded_controller_minor_release = 0xFF;
495
496 SMBIOS_BUILD_TABLE_POST;
497 }
498
499 /* Encode UUID from the big endian encoding described on RFC4122 to the wire
500 * format specified by SMBIOS version 2.6.
501 */
502 static void smbios_encode_uuid(struct smbios_uuid *uuid, QemuUUID *in)
503 {
504 memcpy(uuid, in, 16);
505 if (smbios_uuid_encoded) {
506 uuid->time_low = bswap32(uuid->time_low);
507 uuid->time_mid = bswap16(uuid->time_mid);
508 uuid->time_hi_and_version = bswap16(uuid->time_hi_and_version);
509 }
510 }
511
512 static void smbios_build_type_1_table(void)
513 {
514 SMBIOS_BUILD_TABLE_PRE(1, 0x100, true); /* required */
515
516 SMBIOS_TABLE_SET_STR(1, manufacturer_str, type1.manufacturer);
517 SMBIOS_TABLE_SET_STR(1, product_name_str, type1.product);
518 SMBIOS_TABLE_SET_STR(1, version_str, type1.version);
519 SMBIOS_TABLE_SET_STR(1, serial_number_str, type1.serial);
520 if (qemu_uuid_set) {
521 smbios_encode_uuid(&t->uuid, &qemu_uuid);
522 } else {
523 memset(&t->uuid, 0, 16);
524 }
525 t->wake_up_type = 0x06; /* power switch */
526 SMBIOS_TABLE_SET_STR(1, sku_number_str, type1.sku);
527 SMBIOS_TABLE_SET_STR(1, family_str, type1.family);
528
529 SMBIOS_BUILD_TABLE_POST;
530 }
531
532 static void smbios_build_type_2_table(void)
533 {
534 SMBIOS_BUILD_TABLE_PRE(2, 0x200, false); /* optional */
535
536 SMBIOS_TABLE_SET_STR(2, manufacturer_str, type2.manufacturer);
537 SMBIOS_TABLE_SET_STR(2, product_str, type2.product);
538 SMBIOS_TABLE_SET_STR(2, version_str, type2.version);
539 SMBIOS_TABLE_SET_STR(2, serial_number_str, type2.serial);
540 SMBIOS_TABLE_SET_STR(2, asset_tag_number_str, type2.asset);
541 t->feature_flags = 0x01; /* Motherboard */
542 SMBIOS_TABLE_SET_STR(2, location_str, type2.location);
543 t->chassis_handle = cpu_to_le16(0x300); /* Type 3 (System enclosure) */
544 t->board_type = 0x0A; /* Motherboard */
545 t->contained_element_count = 0;
546
547 SMBIOS_BUILD_TABLE_POST;
548 }
549
550 static void smbios_build_type_3_table(void)
551 {
552 SMBIOS_BUILD_TABLE_PRE(3, 0x300, true); /* required */
553
554 SMBIOS_TABLE_SET_STR(3, manufacturer_str, type3.manufacturer);
555 t->type = 0x01; /* Other */
556 SMBIOS_TABLE_SET_STR(3, version_str, type3.version);
557 SMBIOS_TABLE_SET_STR(3, serial_number_str, type3.serial);
558 SMBIOS_TABLE_SET_STR(3, asset_tag_number_str, type3.asset);
559 t->boot_up_state = 0x03; /* Safe */
560 t->power_supply_state = 0x03; /* Safe */
561 t->thermal_state = 0x03; /* Safe */
562 t->security_status = 0x02; /* Unknown */
563 t->oem_defined = cpu_to_le32(0);
564 t->height = 0;
565 t->number_of_power_cords = 0;
566 t->contained_element_count = 0;
567 t->contained_element_record_length = 0;
568 SMBIOS_TABLE_SET_STR(3, sku_number_str, type3.sku);
569
570 SMBIOS_BUILD_TABLE_POST;
571 }
572
573 static void smbios_build_type_4_table(MachineState *ms, unsigned instance)
574 {
575 char sock_str[128];
576
577 SMBIOS_BUILD_TABLE_PRE(4, 0x400 + instance, true); /* required */
578
579 snprintf(sock_str, sizeof(sock_str), "%s%2x", type4.sock_pfx, instance);
580 SMBIOS_TABLE_SET_STR(4, socket_designation_str, sock_str);
581 t->processor_type = 0x03; /* CPU */
582 t->processor_family = 0x01; /* Other */
583 SMBIOS_TABLE_SET_STR(4, processor_manufacturer_str, type4.manufacturer);
584 t->processor_id[0] = cpu_to_le32(smbios_cpuid_version);
585 t->processor_id[1] = cpu_to_le32(smbios_cpuid_features);
586 SMBIOS_TABLE_SET_STR(4, processor_version_str, type4.version);
587 t->voltage = 0;
588 t->external_clock = cpu_to_le16(0); /* Unknown */
589 /* SVVP requires max_speed and current_speed to not be unknown. */
590 t->max_speed = cpu_to_le16(2000); /* 2000 MHz */
591 t->current_speed = cpu_to_le16(2000); /* 2000 MHz */
592 t->status = 0x41; /* Socket populated, CPU enabled */
593 t->processor_upgrade = 0x01; /* Other */
594 t->l1_cache_handle = cpu_to_le16(0xFFFF); /* N/A */
595 t->l2_cache_handle = cpu_to_le16(0xFFFF); /* N/A */
596 t->l3_cache_handle = cpu_to_le16(0xFFFF); /* N/A */
597 SMBIOS_TABLE_SET_STR(4, serial_number_str, type4.serial);
598 SMBIOS_TABLE_SET_STR(4, asset_tag_number_str, type4.asset);
599 SMBIOS_TABLE_SET_STR(4, part_number_str, type4.part);
600 t->core_count = t->core_enabled = ms->smp.cores;
601 t->thread_count = ms->smp.threads;
602 t->processor_characteristics = cpu_to_le16(0x02); /* Unknown */
603 t->processor_family2 = cpu_to_le16(0x01); /* Other */
604
605 SMBIOS_BUILD_TABLE_POST;
606 smbios_type4_count++;
607 }
608
609 static void smbios_build_type_11_table(void)
610 {
611 char count_str[128];
612 size_t i;
613
614 if (type11.nvalues == 0) {
615 return;
616 }
617
618 SMBIOS_BUILD_TABLE_PRE(11, 0xe00, true); /* required */
619
620 snprintf(count_str, sizeof(count_str), "%zu", type11.nvalues);
621 t->count = type11.nvalues;
622
623 for (i = 0; i < type11.nvalues; i++) {
624 SMBIOS_TABLE_SET_STR_LIST(11, type11.values[i]);
625 }
626
627 SMBIOS_BUILD_TABLE_POST;
628 }
629
630 #define MAX_T16_STD_SZ 0x80000000 /* 2T in Kilobytes */
631
632 static void smbios_build_type_16_table(unsigned dimm_cnt)
633 {
634 uint64_t size_kb;
635
636 SMBIOS_BUILD_TABLE_PRE(16, 0x1000, true); /* required */
637
638 t->location = 0x01; /* Other */
639 t->use = 0x03; /* System memory */
640 t->error_correction = 0x06; /* Multi-bit ECC (for Microsoft, per SeaBIOS) */
641 size_kb = QEMU_ALIGN_UP(ram_size, KiB) / KiB;
642 if (size_kb < MAX_T16_STD_SZ) {
643 t->maximum_capacity = cpu_to_le32(size_kb);
644 t->extended_maximum_capacity = cpu_to_le64(0);
645 } else {
646 t->maximum_capacity = cpu_to_le32(MAX_T16_STD_SZ);
647 t->extended_maximum_capacity = cpu_to_le64(ram_size);
648 }
649 t->memory_error_information_handle = cpu_to_le16(0xFFFE); /* Not provided */
650 t->number_of_memory_devices = cpu_to_le16(dimm_cnt);
651
652 SMBIOS_BUILD_TABLE_POST;
653 }
654
655 #define MAX_T17_STD_SZ 0x7FFF /* (32G - 1M), in Megabytes */
656 #define MAX_T17_EXT_SZ 0x80000000 /* 2P, in Megabytes */
657
658 static void smbios_build_type_17_table(unsigned instance, uint64_t size)
659 {
660 char loc_str[128];
661 uint64_t size_mb;
662
663 SMBIOS_BUILD_TABLE_PRE(17, 0x1100 + instance, true); /* required */
664
665 t->physical_memory_array_handle = cpu_to_le16(0x1000); /* Type 16 above */
666 t->memory_error_information_handle = cpu_to_le16(0xFFFE); /* Not provided */
667 t->total_width = cpu_to_le16(0xFFFF); /* Unknown */
668 t->data_width = cpu_to_le16(0xFFFF); /* Unknown */
669 size_mb = QEMU_ALIGN_UP(size, MiB) / MiB;
670 if (size_mb < MAX_T17_STD_SZ) {
671 t->size = cpu_to_le16(size_mb);
672 t->extended_size = cpu_to_le32(0);
673 } else {
674 assert(size_mb < MAX_T17_EXT_SZ);
675 t->size = cpu_to_le16(MAX_T17_STD_SZ);
676 t->extended_size = cpu_to_le32(size_mb);
677 }
678 t->form_factor = 0x09; /* DIMM */
679 t->device_set = 0; /* Not in a set */
680 snprintf(loc_str, sizeof(loc_str), "%s %d", type17.loc_pfx, instance);
681 SMBIOS_TABLE_SET_STR(17, device_locator_str, loc_str);
682 SMBIOS_TABLE_SET_STR(17, bank_locator_str, type17.bank);
683 t->memory_type = 0x07; /* RAM */
684 t->type_detail = cpu_to_le16(0x02); /* Other */
685 t->speed = cpu_to_le16(type17.speed);
686 SMBIOS_TABLE_SET_STR(17, manufacturer_str, type17.manufacturer);
687 SMBIOS_TABLE_SET_STR(17, serial_number_str, type17.serial);
688 SMBIOS_TABLE_SET_STR(17, asset_tag_number_str, type17.asset);
689 SMBIOS_TABLE_SET_STR(17, part_number_str, type17.part);
690 t->attributes = 0; /* Unknown */
691 t->configured_clock_speed = t->speed; /* reuse value for max speed */
692 t->minimum_voltage = cpu_to_le16(0); /* Unknown */
693 t->maximum_voltage = cpu_to_le16(0); /* Unknown */
694 t->configured_voltage = cpu_to_le16(0); /* Unknown */
695
696 SMBIOS_BUILD_TABLE_POST;
697 }
698
699 static void smbios_build_type_19_table(unsigned instance,
700 uint64_t start, uint64_t size)
701 {
702 uint64_t end, start_kb, end_kb;
703
704 SMBIOS_BUILD_TABLE_PRE(19, 0x1300 + instance, true); /* required */
705
706 end = start + size - 1;
707 assert(end > start);
708 start_kb = start / KiB;
709 end_kb = end / KiB;
710 if (start_kb < UINT32_MAX && end_kb < UINT32_MAX) {
711 t->starting_address = cpu_to_le32(start_kb);
712 t->ending_address = cpu_to_le32(end_kb);
713 t->extended_starting_address =
714 t->extended_ending_address = cpu_to_le64(0);
715 } else {
716 t->starting_address = t->ending_address = cpu_to_le32(UINT32_MAX);
717 t->extended_starting_address = cpu_to_le64(start);
718 t->extended_ending_address = cpu_to_le64(end);
719 }
720 t->memory_array_handle = cpu_to_le16(0x1000); /* Type 16 above */
721 t->partition_width = 1; /* One device per row */
722
723 SMBIOS_BUILD_TABLE_POST;
724 }
725
726 static void smbios_build_type_32_table(void)
727 {
728 SMBIOS_BUILD_TABLE_PRE(32, 0x2000, true); /* required */
729
730 memset(t->reserved, 0, 6);
731 t->boot_status = 0; /* No errors detected */
732
733 SMBIOS_BUILD_TABLE_POST;
734 }
735
736 static void smbios_build_type_127_table(void)
737 {
738 SMBIOS_BUILD_TABLE_PRE(127, 0x7F00, true); /* required */
739 SMBIOS_BUILD_TABLE_POST;
740 }
741
742 void smbios_set_cpuid(uint32_t version, uint32_t features)
743 {
744 smbios_cpuid_version = version;
745 smbios_cpuid_features = features;
746 }
747
748 #define SMBIOS_SET_DEFAULT(field, value) \
749 if (!field) { \
750 field = value; \
751 }
752
753 void smbios_set_defaults(const char *manufacturer, const char *product,
754 const char *version, bool legacy_mode,
755 bool uuid_encoded, SmbiosEntryPointType ep_type)
756 {
757 smbios_have_defaults = true;
758 smbios_legacy = legacy_mode;
759 smbios_uuid_encoded = uuid_encoded;
760 smbios_ep_type = ep_type;
761
762 /* drop unwanted version of command-line file blob(s) */
763 if (smbios_legacy) {
764 g_free(smbios_tables);
765 /* in legacy mode, also complain if fields were given for types > 1 */
766 if (find_next_bit(have_fields_bitmap,
767 SMBIOS_MAX_TYPE+1, 2) < SMBIOS_MAX_TYPE+1) {
768 error_report("can't process fields for smbios "
769 "types > 1 on machine versions < 2.1!");
770 exit(1);
771 }
772 } else {
773 g_free(smbios_entries);
774 }
775
776 SMBIOS_SET_DEFAULT(type1.manufacturer, manufacturer);
777 SMBIOS_SET_DEFAULT(type1.product, product);
778 SMBIOS_SET_DEFAULT(type1.version, version);
779 SMBIOS_SET_DEFAULT(type2.manufacturer, manufacturer);
780 SMBIOS_SET_DEFAULT(type2.product, product);
781 SMBIOS_SET_DEFAULT(type2.version, version);
782 SMBIOS_SET_DEFAULT(type3.manufacturer, manufacturer);
783 SMBIOS_SET_DEFAULT(type3.version, version);
784 SMBIOS_SET_DEFAULT(type4.sock_pfx, "CPU");
785 SMBIOS_SET_DEFAULT(type4.manufacturer, manufacturer);
786 SMBIOS_SET_DEFAULT(type4.version, version);
787 SMBIOS_SET_DEFAULT(type17.loc_pfx, "DIMM");
788 SMBIOS_SET_DEFAULT(type17.manufacturer, manufacturer);
789 }
790
791 static void smbios_entry_point_setup(void)
792 {
793 switch (smbios_ep_type) {
794 case SMBIOS_ENTRY_POINT_21:
795 memcpy(ep.ep21.anchor_string, "_SM_", 4);
796 memcpy(ep.ep21.intermediate_anchor_string, "_DMI_", 5);
797 ep.ep21.length = sizeof(struct smbios_21_entry_point);
798 ep.ep21.entry_point_revision = 0; /* formatted_area reserved */
799 memset(ep.ep21.formatted_area, 0, 5);
800
801 /* compliant with smbios spec v2.8 */
802 ep.ep21.smbios_major_version = 2;
803 ep.ep21.smbios_minor_version = 8;
804 ep.ep21.smbios_bcd_revision = 0x28;
805
806 /* set during table construction, but BIOS may override: */
807 ep.ep21.structure_table_length = cpu_to_le16(smbios_tables_len);
808 ep.ep21.max_structure_size = cpu_to_le16(smbios_table_max);
809 ep.ep21.number_of_structures = cpu_to_le16(smbios_table_cnt);
810
811 /* BIOS must recalculate */
812 ep.ep21.checksum = 0;
813 ep.ep21.intermediate_checksum = 0;
814 ep.ep21.structure_table_address = cpu_to_le32(0);
815
816 break;
817 case SMBIOS_ENTRY_POINT_30:
818 memcpy(ep.ep30.anchor_string, "_SM3_", 5);
819 ep.ep30.length = sizeof(struct smbios_30_entry_point);
820 ep.ep30.entry_point_revision = 1;
821 ep.ep30.reserved = 0;
822
823 /* compliant with smbios spec 3.0 */
824 ep.ep30.smbios_major_version = 3;
825 ep.ep30.smbios_minor_version = 0;
826 ep.ep30.smbios_doc_rev = 0;
827
828 /* set during table construct, but BIOS might override */
829 ep.ep30.structure_table_max_size = cpu_to_le32(smbios_tables_len);
830
831 /* BIOS must recalculate */
832 ep.ep30.checksum = 0;
833 ep.ep30.structure_table_address = cpu_to_le64(0);
834
835 break;
836 default:
837 abort();
838 break;
839 }
840 }
841
842 void smbios_get_tables(MachineState *ms,
843 const struct smbios_phys_mem_area *mem_array,
844 const unsigned int mem_array_size,
845 uint8_t **tables, size_t *tables_len,
846 uint8_t **anchor, size_t *anchor_len)
847 {
848 unsigned i, dimm_cnt;
849
850 if (smbios_legacy) {
851 *tables = *anchor = NULL;
852 *tables_len = *anchor_len = 0;
853 return;
854 }
855
856 if (!smbios_immutable) {
857 smbios_build_type_0_table();
858 smbios_build_type_1_table();
859 smbios_build_type_2_table();
860 smbios_build_type_3_table();
861
862 smbios_smp_sockets = DIV_ROUND_UP(ms->smp.cpus,
863 ms->smp.cores * ms->smp.threads);
864 assert(smbios_smp_sockets >= 1);
865
866 for (i = 0; i < smbios_smp_sockets; i++) {
867 smbios_build_type_4_table(ms, i);
868 }
869
870 smbios_build_type_11_table();
871
872 #define MAX_DIMM_SZ (16 * GiB)
873 #define GET_DIMM_SZ ((i < dimm_cnt - 1) ? MAX_DIMM_SZ \
874 : ((ram_size - 1) % MAX_DIMM_SZ) + 1)
875
876 dimm_cnt = QEMU_ALIGN_UP(ram_size, MAX_DIMM_SZ) / MAX_DIMM_SZ;
877
878 smbios_build_type_16_table(dimm_cnt);
879
880 for (i = 0; i < dimm_cnt; i++) {
881 smbios_build_type_17_table(i, GET_DIMM_SZ);
882 }
883
884 for (i = 0; i < mem_array_size; i++) {
885 smbios_build_type_19_table(i, mem_array[i].address,
886 mem_array[i].length);
887 }
888
889 smbios_build_type_32_table();
890 smbios_build_type_38_table();
891 smbios_build_type_127_table();
892
893 smbios_validate_table(ms);
894 smbios_entry_point_setup();
895 smbios_immutable = true;
896 }
897
898 /* return tables blob and entry point (anchor), and their sizes */
899 *tables = smbios_tables;
900 *tables_len = smbios_tables_len;
901 *anchor = (uint8_t *)&ep;
902
903 /* calculate length based on anchor string */
904 if (!strncmp((char *)&ep, "_SM_", 4)) {
905 *anchor_len = sizeof(struct smbios_21_entry_point);
906 } else if (!strncmp((char *)&ep, "_SM3_", 5)) {
907 *anchor_len = sizeof(struct smbios_30_entry_point);
908 } else {
909 abort();
910 }
911 }
912
913 static void save_opt(const char **dest, QemuOpts *opts, const char *name)
914 {
915 const char *val = qemu_opt_get(opts, name);
916
917 if (val) {
918 *dest = val;
919 }
920 }
921
922
923 struct opt_list {
924 const char *name;
925 size_t *ndest;
926 const char ***dest;
927 };
928
929 static int save_opt_one(void *opaque,
930 const char *name, const char *value,
931 Error **errp)
932 {
933 struct opt_list *opt = opaque;
934
935 if (!g_str_equal(name, opt->name)) {
936 return 0;
937 }
938
939 *opt->dest = g_renew(const char *, *opt->dest, (*opt->ndest) + 1);
940 (*opt->dest)[*opt->ndest] = value;
941 (*opt->ndest)++;
942 return 0;
943 }
944
945 static void save_opt_list(size_t *ndest, const char ***dest,
946 QemuOpts *opts, const char *name)
947 {
948 struct opt_list opt = {
949 name, ndest, dest,
950 };
951 qemu_opt_foreach(opts, save_opt_one, &opt, NULL);
952 }
953
954 void smbios_entry_add(QemuOpts *opts, Error **errp)
955 {
956 const char *val;
957
958 assert(!smbios_immutable);
959
960 val = qemu_opt_get(opts, "file");
961 if (val) {
962 struct smbios_structure_header *header;
963 int size;
964 struct smbios_table *table; /* legacy mode only */
965
966 if (!qemu_opts_validate(opts, qemu_smbios_file_opts, errp)) {
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 * NOTE: standard double '\0' terminator expected, per smbios spec.
978 * (except in legacy mode, where the second '\0' is implicit and
979 * will be inserted by the BIOS).
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 /* add a copy of the newly loaded blob to legacy smbios_entries */
1009 /* NOTE: This code runs before smbios_set_defaults(), so we don't
1010 * yet know which mode (legacy vs. aggregate-table) will be
1011 * required. We therefore add the binary blob to both legacy
1012 * (smbios_entries) and aggregate (smbios_tables) tables, and
1013 * delete the one we don't need from smbios_set_defaults(),
1014 * once we know which machine version has been requested.
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 /* end: add a copy of the newly loaded blob to legacy smbios_entries */
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 if (!qemu_opts_validate(opts, qemu_smbios_type0_opts, errp)) {
1052 return;
1053 }
1054 save_opt(&type0.vendor, opts, "vendor");
1055 save_opt(&type0.version, opts, "version");
1056 save_opt(&type0.date, opts, "date");
1057 type0.uefi = qemu_opt_get_bool(opts, "uefi", false);
1058
1059 val = qemu_opt_get(opts, "release");
1060 if (val) {
1061 if (sscanf(val, "%hhu.%hhu", &type0.major, &type0.minor) != 2) {
1062 error_setg(errp, "Invalid release");
1063 return;
1064 }
1065 type0.have_major_minor = true;
1066 }
1067 return;
1068 case 1:
1069 if (!qemu_opts_validate(opts, qemu_smbios_type1_opts, errp)) {
1070 return;
1071 }
1072 save_opt(&type1.manufacturer, opts, "manufacturer");
1073 save_opt(&type1.product, opts, "product");
1074 save_opt(&type1.version, opts, "version");
1075 save_opt(&type1.serial, opts, "serial");
1076 save_opt(&type1.sku, opts, "sku");
1077 save_opt(&type1.family, opts, "family");
1078
1079 val = qemu_opt_get(opts, "uuid");
1080 if (val) {
1081 if (qemu_uuid_parse(val, &qemu_uuid) != 0) {
1082 error_setg(errp, "Invalid UUID");
1083 return;
1084 }
1085 qemu_uuid_set = true;
1086 }
1087 return;
1088 case 2:
1089 if (!qemu_opts_validate(opts, qemu_smbios_type2_opts, errp)) {
1090 return;
1091 }
1092 save_opt(&type2.manufacturer, opts, "manufacturer");
1093 save_opt(&type2.product, opts, "product");
1094 save_opt(&type2.version, opts, "version");
1095 save_opt(&type2.serial, opts, "serial");
1096 save_opt(&type2.asset, opts, "asset");
1097 save_opt(&type2.location, opts, "location");
1098 return;
1099 case 3:
1100 if (!qemu_opts_validate(opts, qemu_smbios_type3_opts, errp)) {
1101 return;
1102 }
1103 save_opt(&type3.manufacturer, opts, "manufacturer");
1104 save_opt(&type3.version, opts, "version");
1105 save_opt(&type3.serial, opts, "serial");
1106 save_opt(&type3.asset, opts, "asset");
1107 save_opt(&type3.sku, opts, "sku");
1108 return;
1109 case 4:
1110 if (!qemu_opts_validate(opts, qemu_smbios_type4_opts, errp)) {
1111 return;
1112 }
1113 save_opt(&type4.sock_pfx, opts, "sock_pfx");
1114 save_opt(&type4.manufacturer, opts, "manufacturer");
1115 save_opt(&type4.version, opts, "version");
1116 save_opt(&type4.serial, opts, "serial");
1117 save_opt(&type4.asset, opts, "asset");
1118 save_opt(&type4.part, opts, "part");
1119 return;
1120 case 11:
1121 if (!qemu_opts_validate(opts, qemu_smbios_type11_opts, errp)) {
1122 return;
1123 }
1124 save_opt_list(&type11.nvalues, &type11.values, opts, "value");
1125 return;
1126 case 17:
1127 if (!qemu_opts_validate(opts, qemu_smbios_type17_opts, errp)) {
1128 return;
1129 }
1130 save_opt(&type17.loc_pfx, opts, "loc_pfx");
1131 save_opt(&type17.bank, opts, "bank");
1132 save_opt(&type17.manufacturer, opts, "manufacturer");
1133 save_opt(&type17.serial, opts, "serial");
1134 save_opt(&type17.asset, opts, "asset");
1135 save_opt(&type17.part, opts, "part");
1136 type17.speed = qemu_opt_get_number(opts, "speed", 0);
1137 return;
1138 default:
1139 error_setg(errp,
1140 "Don't know how to build fields for SMBIOS type %ld",
1141 type);
1142 return;
1143 }
1144 }
1145
1146 error_setg(errp, "Must specify type= or file=");
1147 }