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hw/net: add MII definitions
[qemu/kevin.git] / hw / smbios / smbios.c
blob1a5437a07d8d0167dfc95924134b2c01f7abdd2e
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 "qapi/error.h"
20 #include "qemu/config-file.h"
21 #include "qemu/error-report.h"
22 #include "sysemu/sysemu.h"
23 #include "qemu/uuid.h"
24 #include "sysemu/cpus.h"
25 #include "hw/smbios/smbios.h"
26 #include "hw/loader.h"
27 #include "exec/cpu-common.h"
28 #include "smbios_build.h"
29 #include "hw/smbios/ipmi.h"
30
31 /* legacy structures and constants for <= 2.0 machines */
32 struct smbios_header {
33 uint16_t length;
34 uint8_t type;
35 } QEMU_PACKED;
36
37 struct smbios_field {
38 struct smbios_header header;
39 uint8_t type;
40 uint16_t offset;
41 uint8_t data[];
42 } QEMU_PACKED;
43
44 struct smbios_table {
45 struct smbios_header header;
46 uint8_t data[];
47 } QEMU_PACKED;
48
49 #define SMBIOS_FIELD_ENTRY 0
50 #define SMBIOS_TABLE_ENTRY 1
51
52 static uint8_t *smbios_entries;
53 static size_t smbios_entries_len;
54 static bool smbios_legacy = true;
55 static bool smbios_uuid_encoded = true;
56 /* end: legacy structures & constants for <= 2.0 machines */
57
58
59 uint8_t *smbios_tables;
60 size_t smbios_tables_len;
61 unsigned smbios_table_max;
62 unsigned smbios_table_cnt;
63 static SmbiosEntryPointType smbios_ep_type = SMBIOS_ENTRY_POINT_21;
64
65 static SmbiosEntryPoint ep;
66
67 static int smbios_type4_count = 0;
68 static bool smbios_immutable;
69 static bool smbios_have_defaults;
70 static uint32_t smbios_cpuid_version, smbios_cpuid_features, smbios_smp_sockets;
71
72 static DECLARE_BITMAP(have_binfile_bitmap, SMBIOS_MAX_TYPE+1);
73 static DECLARE_BITMAP(have_fields_bitmap, SMBIOS_MAX_TYPE+1);
74
75 static struct {
76 const char *vendor, *version, *date;
77 bool have_major_minor, uefi;
78 uint8_t major, minor;
79 } type0;
80
81 static struct {
82 const char *manufacturer, *product, *version, *serial, *sku, *family;
83 /* uuid is in qemu_uuid */
84 } type1;
85
86 static struct {
87 const char *manufacturer, *product, *version, *serial, *asset, *location;
88 } type2;
89
90 static struct {
91 const char *manufacturer, *version, *serial, *asset, *sku;
92 } type3;
93
94 static struct {
95 const char *sock_pfx, *manufacturer, *version, *serial, *asset, *part;
96 } type4;
97
98 static struct {
99 const char *loc_pfx, *bank, *manufacturer, *serial, *asset, *part;
100 uint16_t speed;
101 } type17;
102
103 static QemuOptsList qemu_smbios_opts = {
104 .name = "smbios",
105 .head = QTAILQ_HEAD_INITIALIZER(qemu_smbios_opts.head),
106 .desc = {
107 /*
108 * no elements => accept any params
109 * validation will happen later
110 */
111 { /* end of list */ }
112 }
113 };
114
115 static const QemuOptDesc qemu_smbios_file_opts[] = {
116 {
117 .name = "file",
118 .type = QEMU_OPT_STRING,
119 .help = "binary file containing an SMBIOS element",
120 },
121 { /* end of list */ }
122 };
123
124 static const QemuOptDesc qemu_smbios_type0_opts[] = {
125 {
126 .name = "type",
127 .type = QEMU_OPT_NUMBER,
128 .help = "SMBIOS element type",
129 },{
130 .name = "vendor",
131 .type = QEMU_OPT_STRING,
132 .help = "vendor name",
133 },{
134 .name = "version",
135 .type = QEMU_OPT_STRING,
136 .help = "version number",
137 },{
138 .name = "date",
139 .type = QEMU_OPT_STRING,
140 .help = "release date",
141 },{
142 .name = "release",
143 .type = QEMU_OPT_STRING,
144 .help = "revision number",
145 },{
146 .name = "uefi",
147 .type = QEMU_OPT_BOOL,
148 .help = "uefi support",
149 },
150 { /* end of list */ }
151 };
152
153 static const QemuOptDesc qemu_smbios_type1_opts[] = {
154 {
155 .name = "type",
156 .type = QEMU_OPT_NUMBER,
157 .help = "SMBIOS element type",
158 },{
159 .name = "manufacturer",
160 .type = QEMU_OPT_STRING,
161 .help = "manufacturer name",
162 },{
163 .name = "product",
164 .type = QEMU_OPT_STRING,
165 .help = "product name",
166 },{
167 .name = "version",
168 .type = QEMU_OPT_STRING,
169 .help = "version number",
170 },{
171 .name = "serial",
172 .type = QEMU_OPT_STRING,
173 .help = "serial number",
174 },{
175 .name = "uuid",
176 .type = QEMU_OPT_STRING,
177 .help = "UUID",
178 },{
179 .name = "sku",
180 .type = QEMU_OPT_STRING,
181 .help = "SKU number",
182 },{
183 .name = "family",
184 .type = QEMU_OPT_STRING,
185 .help = "family name",
186 },
187 { /* end of list */ }
188 };
189
190 static const QemuOptDesc qemu_smbios_type2_opts[] = {
191 {
192 .name = "type",
193 .type = QEMU_OPT_NUMBER,
194 .help = "SMBIOS element type",
195 },{
196 .name = "manufacturer",
197 .type = QEMU_OPT_STRING,
198 .help = "manufacturer name",
199 },{
200 .name = "product",
201 .type = QEMU_OPT_STRING,
202 .help = "product name",
203 },{
204 .name = "version",
205 .type = QEMU_OPT_STRING,
206 .help = "version number",
207 },{
208 .name = "serial",
209 .type = QEMU_OPT_STRING,
210 .help = "serial number",
211 },{
212 .name = "asset",
213 .type = QEMU_OPT_STRING,
214 .help = "asset tag number",
215 },{
216 .name = "location",
217 .type = QEMU_OPT_STRING,
218 .help = "location in chassis",
219 },
220 { /* end of list */ }
221 };
222
223 static const QemuOptDesc qemu_smbios_type3_opts[] = {
224 {
225 .name = "type",
226 .type = QEMU_OPT_NUMBER,
227 .help = "SMBIOS element type",
228 },{
229 .name = "manufacturer",
230 .type = QEMU_OPT_STRING,
231 .help = "manufacturer name",
232 },{
233 .name = "version",
234 .type = QEMU_OPT_STRING,
235 .help = "version number",
236 },{
237 .name = "serial",
238 .type = QEMU_OPT_STRING,
239 .help = "serial number",
240 },{
241 .name = "asset",
242 .type = QEMU_OPT_STRING,
243 .help = "asset tag number",
244 },{
245 .name = "sku",
246 .type = QEMU_OPT_STRING,
247 .help = "SKU number",
248 },
249 { /* end of list */ }
250 };
251
252 static const QemuOptDesc qemu_smbios_type4_opts[] = {
253 {
254 .name = "type",
255 .type = QEMU_OPT_NUMBER,
256 .help = "SMBIOS element type",
257 },{
258 .name = "sock_pfx",
259 .type = QEMU_OPT_STRING,
260 .help = "socket designation string prefix",
261 },{
262 .name = "manufacturer",
263 .type = QEMU_OPT_STRING,
264 .help = "manufacturer name",
265 },{
266 .name = "version",
267 .type = QEMU_OPT_STRING,
268 .help = "version number",
269 },{
270 .name = "serial",
271 .type = QEMU_OPT_STRING,
272 .help = "serial number",
273 },{
274 .name = "asset",
275 .type = QEMU_OPT_STRING,
276 .help = "asset tag number",
277 },{
278 .name = "part",
279 .type = QEMU_OPT_STRING,
280 .help = "part number",
281 },
282 { /* end of list */ }
283 };
284
285 static const QemuOptDesc qemu_smbios_type17_opts[] = {
286 {
287 .name = "type",
288 .type = QEMU_OPT_NUMBER,
289 .help = "SMBIOS element type",
290 },{
291 .name = "loc_pfx",
292 .type = QEMU_OPT_STRING,
293 .help = "device locator string prefix",
294 },{
295 .name = "bank",
296 .type = QEMU_OPT_STRING,
297 .help = "bank locator string",
298 },{
299 .name = "manufacturer",
300 .type = QEMU_OPT_STRING,
301 .help = "manufacturer name",
302 },{
303 .name = "serial",
304 .type = QEMU_OPT_STRING,
305 .help = "serial number",
306 },{
307 .name = "asset",
308 .type = QEMU_OPT_STRING,
309 .help = "asset tag number",
310 },{
311 .name = "part",
312 .type = QEMU_OPT_STRING,
313 .help = "part number",
314 },{
315 .name = "speed",
316 .type = QEMU_OPT_NUMBER,
317 .help = "maximum capable speed",
318 },
319 { /* end of list */ }
320 };
321
322 static void smbios_register_config(void)
323 {
324 qemu_add_opts(&qemu_smbios_opts);
325 }
326
327 opts_init(smbios_register_config);
328
329 static void smbios_validate_table(void)
330 {
331 uint32_t expect_t4_count = smbios_legacy ? smp_cpus : smbios_smp_sockets;
332
333 if (smbios_type4_count && smbios_type4_count != expect_t4_count) {
334 error_report("Expected %d SMBIOS Type 4 tables, got %d instead",
335 expect_t4_count, smbios_type4_count);
336 exit(1);
337 }
338 }
339
340
341 /* legacy setup functions for <= 2.0 machines */
342 static void smbios_add_field(int type, int offset, const void *data, size_t len)
343 {
344 struct smbios_field *field;
345
346 if (!smbios_entries) {
347 smbios_entries_len = sizeof(uint16_t);
348 smbios_entries = g_malloc0(smbios_entries_len);
349 }
350 smbios_entries = g_realloc(smbios_entries, smbios_entries_len +
351 sizeof(*field) + len);
352 field = (struct smbios_field *)(smbios_entries + smbios_entries_len);
353 field->header.type = SMBIOS_FIELD_ENTRY;
354 field->header.length = cpu_to_le16(sizeof(*field) + len);
355
356 field->type = type;
357 field->offset = cpu_to_le16(offset);
358 memcpy(field->data, data, len);
359
360 smbios_entries_len += sizeof(*field) + len;
361 (*(uint16_t *)smbios_entries) =
362 cpu_to_le16(le16_to_cpu(*(uint16_t *)smbios_entries) + 1);
363 }
364
365 static void smbios_maybe_add_str(int type, int offset, const char *data)
366 {
367 if (data) {
368 smbios_add_field(type, offset, data, strlen(data) + 1);
369 }
370 }
371
372 static void smbios_build_type_0_fields(void)
373 {
374 smbios_maybe_add_str(0, offsetof(struct smbios_type_0, vendor_str),
375 type0.vendor);
376 smbios_maybe_add_str(0, offsetof(struct smbios_type_0, bios_version_str),
377 type0.version);
378 smbios_maybe_add_str(0, offsetof(struct smbios_type_0,
379 bios_release_date_str),
380 type0.date);
381 if (type0.have_major_minor) {
382 smbios_add_field(0, offsetof(struct smbios_type_0,
383 system_bios_major_release),
384 &type0.major, 1);
385 smbios_add_field(0, offsetof(struct smbios_type_0,
386 system_bios_minor_release),
387 &type0.minor, 1);
388 }
389 }
390
391 static void smbios_build_type_1_fields(void)
392 {
393 smbios_maybe_add_str(1, offsetof(struct smbios_type_1, manufacturer_str),
394 type1.manufacturer);
395 smbios_maybe_add_str(1, offsetof(struct smbios_type_1, product_name_str),
396 type1.product);
397 smbios_maybe_add_str(1, offsetof(struct smbios_type_1, version_str),
398 type1.version);
399 smbios_maybe_add_str(1, offsetof(struct smbios_type_1, serial_number_str),
400 type1.serial);
401 smbios_maybe_add_str(1, offsetof(struct smbios_type_1, sku_number_str),
402 type1.sku);
403 smbios_maybe_add_str(1, offsetof(struct smbios_type_1, family_str),
404 type1.family);
405 if (qemu_uuid_set) {
406 /* We don't encode the UUID in the "wire format" here because this
407 * function is for legacy mode and needs to keep the guest ABI, and
408 * because we don't know what's the SMBIOS version advertised by the
409 * BIOS.
410 */
411 smbios_add_field(1, offsetof(struct smbios_type_1, uuid),
412 &qemu_uuid, 16);
413 }
414 }
415
416 uint8_t *smbios_get_table_legacy(size_t *length)
417 {
418 if (!smbios_legacy) {
419 *length = 0;
420 return NULL;
421 }
422
423 if (!smbios_immutable) {
424 smbios_build_type_0_fields();
425 smbios_build_type_1_fields();
426 smbios_validate_table();
427 smbios_immutable = true;
428 }
429 *length = smbios_entries_len;
430 return smbios_entries;
431 }
432 /* end: legacy setup functions for <= 2.0 machines */
433
434
435 bool smbios_skip_table(uint8_t type, bool required_table)
436 {
437 if (test_bit(type, have_binfile_bitmap)) {
438 return true; /* user provided their own binary blob(s) */
439 }
440 if (test_bit(type, have_fields_bitmap)) {
441 return false; /* user provided fields via command line */
442 }
443 if (smbios_have_defaults && required_table) {
444 return false; /* we're building tables, and this one's required */
445 }
446 return true;
447 }
448
449 static void smbios_build_type_0_table(void)
450 {
451 SMBIOS_BUILD_TABLE_PRE(0, 0x000, false); /* optional, leave up to BIOS */
452
453 SMBIOS_TABLE_SET_STR(0, vendor_str, type0.vendor);
454 SMBIOS_TABLE_SET_STR(0, bios_version_str, type0.version);
455
456 t->bios_starting_address_segment = cpu_to_le16(0xE800); /* from SeaBIOS */
457
458 SMBIOS_TABLE_SET_STR(0, bios_release_date_str, type0.date);
459
460 t->bios_rom_size = 0; /* hardcoded in SeaBIOS with FIXME comment */
461
462 t->bios_characteristics = cpu_to_le64(0x08); /* Not supported */
463 t->bios_characteristics_extension_bytes[0] = 0;
464 t->bios_characteristics_extension_bytes[1] = 0x14; /* TCD/SVVP | VM */
465 if (type0.uefi) {
466 t->bios_characteristics_extension_bytes[1] |= 0x08; /* |= UEFI */
467 }
468
469 if (type0.have_major_minor) {
470 t->system_bios_major_release = type0.major;
471 t->system_bios_minor_release = type0.minor;
472 } else {
473 t->system_bios_major_release = 0;
474 t->system_bios_minor_release = 0;
475 }
476
477 /* hardcoded in SeaBIOS */
478 t->embedded_controller_major_release = 0xFF;
479 t->embedded_controller_minor_release = 0xFF;
480
481 SMBIOS_BUILD_TABLE_POST;
482 }
483
484 /* Encode UUID from the big endian encoding described on RFC4122 to the wire
485 * format specified by SMBIOS version 2.6.
486 */
487 static void smbios_encode_uuid(struct smbios_uuid *uuid, QemuUUID *in)
488 {
489 memcpy(uuid, in, 16);
490 if (smbios_uuid_encoded) {
491 uuid->time_low = bswap32(uuid->time_low);
492 uuid->time_mid = bswap16(uuid->time_mid);
493 uuid->time_hi_and_version = bswap16(uuid->time_hi_and_version);
494 }
495 }
496
497 static void smbios_build_type_1_table(void)
498 {
499 SMBIOS_BUILD_TABLE_PRE(1, 0x100, true); /* required */
500
501 SMBIOS_TABLE_SET_STR(1, manufacturer_str, type1.manufacturer);
502 SMBIOS_TABLE_SET_STR(1, product_name_str, type1.product);
503 SMBIOS_TABLE_SET_STR(1, version_str, type1.version);
504 SMBIOS_TABLE_SET_STR(1, serial_number_str, type1.serial);
505 if (qemu_uuid_set) {
506 smbios_encode_uuid(&t->uuid, &qemu_uuid);
507 } else {
508 memset(&t->uuid, 0, 16);
509 }
510 t->wake_up_type = 0x06; /* power switch */
511 SMBIOS_TABLE_SET_STR(1, sku_number_str, type1.sku);
512 SMBIOS_TABLE_SET_STR(1, family_str, type1.family);
513
514 SMBIOS_BUILD_TABLE_POST;
515 }
516
517 static void smbios_build_type_2_table(void)
518 {
519 SMBIOS_BUILD_TABLE_PRE(2, 0x200, false); /* optional */
520
521 SMBIOS_TABLE_SET_STR(2, manufacturer_str, type2.manufacturer);
522 SMBIOS_TABLE_SET_STR(2, product_str, type2.product);
523 SMBIOS_TABLE_SET_STR(2, version_str, type2.version);
524 SMBIOS_TABLE_SET_STR(2, serial_number_str, type2.serial);
525 SMBIOS_TABLE_SET_STR(2, asset_tag_number_str, type2.asset);
526 t->feature_flags = 0x01; /* Motherboard */
527 SMBIOS_TABLE_SET_STR(2, location_str, type2.location);
528 t->chassis_handle = cpu_to_le16(0x300); /* Type 3 (System enclosure) */
529 t->board_type = 0x0A; /* Motherboard */
530 t->contained_element_count = 0;
531
532 SMBIOS_BUILD_TABLE_POST;
533 }
534
535 static void smbios_build_type_3_table(void)
536 {
537 SMBIOS_BUILD_TABLE_PRE(3, 0x300, true); /* required */
538
539 SMBIOS_TABLE_SET_STR(3, manufacturer_str, type3.manufacturer);
540 t->type = 0x01; /* Other */
541 SMBIOS_TABLE_SET_STR(3, version_str, type3.version);
542 SMBIOS_TABLE_SET_STR(3, serial_number_str, type3.serial);
543 SMBIOS_TABLE_SET_STR(3, asset_tag_number_str, type3.asset);
544 t->boot_up_state = 0x03; /* Safe */
545 t->power_supply_state = 0x03; /* Safe */
546 t->thermal_state = 0x03; /* Safe */
547 t->security_status = 0x02; /* Unknown */
548 t->oem_defined = cpu_to_le32(0);
549 t->height = 0;
550 t->number_of_power_cords = 0;
551 t->contained_element_count = 0;
552 SMBIOS_TABLE_SET_STR(3, sku_number_str, type3.sku);
553
554 SMBIOS_BUILD_TABLE_POST;
555 }
556
557 static void smbios_build_type_4_table(unsigned instance)
558 {
559 char sock_str[128];
560
561 SMBIOS_BUILD_TABLE_PRE(4, 0x400 + instance, true); /* required */
562
563 snprintf(sock_str, sizeof(sock_str), "%s%2x", type4.sock_pfx, instance);
564 SMBIOS_TABLE_SET_STR(4, socket_designation_str, sock_str);
565 t->processor_type = 0x03; /* CPU */
566 t->processor_family = 0x01; /* Other */
567 SMBIOS_TABLE_SET_STR(4, processor_manufacturer_str, type4.manufacturer);
568 t->processor_id[0] = cpu_to_le32(smbios_cpuid_version);
569 t->processor_id[1] = cpu_to_le32(smbios_cpuid_features);
570 SMBIOS_TABLE_SET_STR(4, processor_version_str, type4.version);
571 t->voltage = 0;
572 t->external_clock = cpu_to_le16(0); /* Unknown */
573 /* SVVP requires max_speed and current_speed to not be unknown. */
574 t->max_speed = cpu_to_le16(2000); /* 2000 MHz */
575 t->current_speed = cpu_to_le16(2000); /* 2000 MHz */
576 t->status = 0x41; /* Socket populated, CPU enabled */
577 t->processor_upgrade = 0x01; /* Other */
578 t->l1_cache_handle = cpu_to_le16(0xFFFF); /* N/A */
579 t->l2_cache_handle = cpu_to_le16(0xFFFF); /* N/A */
580 t->l3_cache_handle = cpu_to_le16(0xFFFF); /* N/A */
581 SMBIOS_TABLE_SET_STR(4, serial_number_str, type4.serial);
582 SMBIOS_TABLE_SET_STR(4, asset_tag_number_str, type4.asset);
583 SMBIOS_TABLE_SET_STR(4, part_number_str, type4.part);
584 t->core_count = t->core_enabled = smp_cores;
585 t->thread_count = smp_threads;
586 t->processor_characteristics = cpu_to_le16(0x02); /* Unknown */
587 t->processor_family2 = cpu_to_le16(0x01); /* Other */
588
589 SMBIOS_BUILD_TABLE_POST;
590 smbios_type4_count++;
591 }
592
593 #define ONE_KB ((ram_addr_t)1 << 10)
594 #define ONE_MB ((ram_addr_t)1 << 20)
595 #define ONE_GB ((ram_addr_t)1 << 30)
596
597 #define MAX_T16_STD_SZ 0x80000000 /* 2T in Kilobytes */
598
599 static void smbios_build_type_16_table(unsigned dimm_cnt)
600 {
601 uint64_t size_kb;
602
603 SMBIOS_BUILD_TABLE_PRE(16, 0x1000, true); /* required */
604
605 t->location = 0x01; /* Other */
606 t->use = 0x03; /* System memory */
607 t->error_correction = 0x06; /* Multi-bit ECC (for Microsoft, per SeaBIOS) */
608 size_kb = QEMU_ALIGN_UP(ram_size, ONE_KB) / ONE_KB;
609 if (size_kb < MAX_T16_STD_SZ) {
610 t->maximum_capacity = cpu_to_le32(size_kb);
611 t->extended_maximum_capacity = cpu_to_le64(0);
612 } else {
613 t->maximum_capacity = cpu_to_le32(MAX_T16_STD_SZ);
614 t->extended_maximum_capacity = cpu_to_le64(ram_size);
615 }
616 t->memory_error_information_handle = cpu_to_le16(0xFFFE); /* Not provided */
617 t->number_of_memory_devices = cpu_to_le16(dimm_cnt);
618
619 SMBIOS_BUILD_TABLE_POST;
620 }
621
622 #define MAX_T17_STD_SZ 0x7FFF /* (32G - 1M), in Megabytes */
623 #define MAX_T17_EXT_SZ 0x80000000 /* 2P, in Megabytes */
624
625 static void smbios_build_type_17_table(unsigned instance, uint64_t size)
626 {
627 char loc_str[128];
628 uint64_t size_mb;
629
630 SMBIOS_BUILD_TABLE_PRE(17, 0x1100 + instance, true); /* required */
631
632 t->physical_memory_array_handle = cpu_to_le16(0x1000); /* Type 16 above */
633 t->memory_error_information_handle = cpu_to_le16(0xFFFE); /* Not provided */
634 t->total_width = cpu_to_le16(0xFFFF); /* Unknown */
635 t->data_width = cpu_to_le16(0xFFFF); /* Unknown */
636 size_mb = QEMU_ALIGN_UP(size, ONE_MB) / ONE_MB;
637 if (size_mb < MAX_T17_STD_SZ) {
638 t->size = cpu_to_le16(size_mb);
639 t->extended_size = cpu_to_le32(0);
640 } else {
641 assert(size_mb < MAX_T17_EXT_SZ);
642 t->size = cpu_to_le16(MAX_T17_STD_SZ);
643 t->extended_size = cpu_to_le32(size_mb);
644 }
645 t->form_factor = 0x09; /* DIMM */
646 t->device_set = 0; /* Not in a set */
647 snprintf(loc_str, sizeof(loc_str), "%s %d", type17.loc_pfx, instance);
648 SMBIOS_TABLE_SET_STR(17, device_locator_str, loc_str);
649 SMBIOS_TABLE_SET_STR(17, bank_locator_str, type17.bank);
650 t->memory_type = 0x07; /* RAM */
651 t->type_detail = cpu_to_le16(0x02); /* Other */
652 t->speed = cpu_to_le16(type17.speed);
653 SMBIOS_TABLE_SET_STR(17, manufacturer_str, type17.manufacturer);
654 SMBIOS_TABLE_SET_STR(17, serial_number_str, type17.serial);
655 SMBIOS_TABLE_SET_STR(17, asset_tag_number_str, type17.asset);
656 SMBIOS_TABLE_SET_STR(17, part_number_str, type17.part);
657 t->attributes = 0; /* Unknown */
658 t->configured_clock_speed = t->speed; /* reuse value for max speed */
659 t->minimum_voltage = cpu_to_le16(0); /* Unknown */
660 t->maximum_voltage = cpu_to_le16(0); /* Unknown */
661 t->configured_voltage = cpu_to_le16(0); /* Unknown */
662
663 SMBIOS_BUILD_TABLE_POST;
664 }
665
666 static void smbios_build_type_19_table(unsigned instance,
667 uint64_t start, uint64_t size)
668 {
669 uint64_t end, start_kb, end_kb;
670
671 SMBIOS_BUILD_TABLE_PRE(19, 0x1300 + instance, true); /* required */
672
673 end = start + size - 1;
674 assert(end > start);
675 start_kb = start / ONE_KB;
676 end_kb = end / ONE_KB;
677 if (start_kb < UINT32_MAX && end_kb < UINT32_MAX) {
678 t->starting_address = cpu_to_le32(start_kb);
679 t->ending_address = cpu_to_le32(end_kb);
680 t->extended_starting_address =
681 t->extended_ending_address = cpu_to_le64(0);
682 } else {
683 t->starting_address = t->ending_address = cpu_to_le32(UINT32_MAX);
684 t->extended_starting_address = cpu_to_le64(start);
685 t->extended_ending_address = cpu_to_le64(end);
686 }
687 t->memory_array_handle = cpu_to_le16(0x1000); /* Type 16 above */
688 t->partition_width = 1; /* One device per row */
689
690 SMBIOS_BUILD_TABLE_POST;
691 }
692
693 static void smbios_build_type_32_table(void)
694 {
695 SMBIOS_BUILD_TABLE_PRE(32, 0x2000, true); /* required */
696
697 memset(t->reserved, 0, 6);
698 t->boot_status = 0; /* No errors detected */
699
700 SMBIOS_BUILD_TABLE_POST;
701 }
702
703 static void smbios_build_type_127_table(void)
704 {
705 SMBIOS_BUILD_TABLE_PRE(127, 0x7F00, true); /* required */
706 SMBIOS_BUILD_TABLE_POST;
707 }
708
709 void smbios_set_cpuid(uint32_t version, uint32_t features)
710 {
711 smbios_cpuid_version = version;
712 smbios_cpuid_features = features;
713 }
714
715 #define SMBIOS_SET_DEFAULT(field, value) \
716 if (!field) { \
717 field = value; \
718 }
719
720 void smbios_set_defaults(const char *manufacturer, const char *product,
721 const char *version, bool legacy_mode,
722 bool uuid_encoded, SmbiosEntryPointType ep_type)
723 {
724 smbios_have_defaults = true;
725 smbios_legacy = legacy_mode;
726 smbios_uuid_encoded = uuid_encoded;
727 smbios_ep_type = ep_type;
728
729 /* drop unwanted version of command-line file blob(s) */
730 if (smbios_legacy) {
731 g_free(smbios_tables);
732 /* in legacy mode, also complain if fields were given for types > 1 */
733 if (find_next_bit(have_fields_bitmap,
734 SMBIOS_MAX_TYPE+1, 2) < SMBIOS_MAX_TYPE+1) {
735 error_report("can't process fields for smbios "
736 "types > 1 on machine versions < 2.1!");
737 exit(1);
738 }
739 } else {
740 g_free(smbios_entries);
741 }
742
743 SMBIOS_SET_DEFAULT(type1.manufacturer, manufacturer);
744 SMBIOS_SET_DEFAULT(type1.product, product);
745 SMBIOS_SET_DEFAULT(type1.version, version);
746 SMBIOS_SET_DEFAULT(type2.manufacturer, manufacturer);
747 SMBIOS_SET_DEFAULT(type2.product, product);
748 SMBIOS_SET_DEFAULT(type2.version, version);
749 SMBIOS_SET_DEFAULT(type3.manufacturer, manufacturer);
750 SMBIOS_SET_DEFAULT(type3.version, version);
751 SMBIOS_SET_DEFAULT(type4.sock_pfx, "CPU");
752 SMBIOS_SET_DEFAULT(type4.manufacturer, manufacturer);
753 SMBIOS_SET_DEFAULT(type4.version, version);
754 SMBIOS_SET_DEFAULT(type17.loc_pfx, "DIMM");
755 SMBIOS_SET_DEFAULT(type17.manufacturer, manufacturer);
756 }
757
758 static void smbios_entry_point_setup(void)
759 {
760 switch (smbios_ep_type) {
761 case SMBIOS_ENTRY_POINT_21:
762 memcpy(ep.ep21.anchor_string, "_SM_", 4);
763 memcpy(ep.ep21.intermediate_anchor_string, "_DMI_", 5);
764 ep.ep21.length = sizeof(struct smbios_21_entry_point);
765 ep.ep21.entry_point_revision = 0; /* formatted_area reserved */
766 memset(ep.ep21.formatted_area, 0, 5);
767
768 /* compliant with smbios spec v2.8 */
769 ep.ep21.smbios_major_version = 2;
770 ep.ep21.smbios_minor_version = 8;
771 ep.ep21.smbios_bcd_revision = 0x28;
772
773 /* set during table construction, but BIOS may override: */
774 ep.ep21.structure_table_length = cpu_to_le16(smbios_tables_len);
775 ep.ep21.max_structure_size = cpu_to_le16(smbios_table_max);
776 ep.ep21.number_of_structures = cpu_to_le16(smbios_table_cnt);
777
778 /* BIOS must recalculate */
779 ep.ep21.checksum = 0;
780 ep.ep21.intermediate_checksum = 0;
781 ep.ep21.structure_table_address = cpu_to_le32(0);
782
783 break;
784 case SMBIOS_ENTRY_POINT_30:
785 memcpy(ep.ep30.anchor_string, "_SM3_", 5);
786 ep.ep30.length = sizeof(struct smbios_30_entry_point);
787 ep.ep30.entry_point_revision = 1;
788 ep.ep30.reserved = 0;
789
790 /* compliant with smbios spec 3.0 */
791 ep.ep30.smbios_major_version = 3;
792 ep.ep30.smbios_minor_version = 0;
793 ep.ep30.smbios_doc_rev = 0;
794
795 /* set during table construct, but BIOS might override */
796 ep.ep30.structure_table_max_size = cpu_to_le32(smbios_tables_len);
797
798 /* BIOS must recalculate */
799 ep.ep30.checksum = 0;
800 ep.ep30.structure_table_address = cpu_to_le64(0);
801
802 break;
803 default:
804 abort();
805 break;
806 }
807 }
808
809 void smbios_get_tables(const struct smbios_phys_mem_area *mem_array,
810 const unsigned int mem_array_size,
811 uint8_t **tables, size_t *tables_len,
812 uint8_t **anchor, size_t *anchor_len)
813 {
814 unsigned i, dimm_cnt;
815
816 if (smbios_legacy) {
817 *tables = *anchor = NULL;
818 *tables_len = *anchor_len = 0;
819 return;
820 }
821
822 if (!smbios_immutable) {
823 smbios_build_type_0_table();
824 smbios_build_type_1_table();
825 smbios_build_type_2_table();
826 smbios_build_type_3_table();
827
828 smbios_smp_sockets = DIV_ROUND_UP(smp_cpus, smp_cores * smp_threads);
829 assert(smbios_smp_sockets >= 1);
830
831 for (i = 0; i < smbios_smp_sockets; i++) {
832 smbios_build_type_4_table(i);
833 }
834
835 #define MAX_DIMM_SZ (16ll * ONE_GB)
836 #define GET_DIMM_SZ ((i < dimm_cnt - 1) ? MAX_DIMM_SZ \
837 : ((ram_size - 1) % MAX_DIMM_SZ) + 1)
838
839 dimm_cnt = QEMU_ALIGN_UP(ram_size, MAX_DIMM_SZ) / MAX_DIMM_SZ;
840
841 smbios_build_type_16_table(dimm_cnt);
842
843 for (i = 0; i < dimm_cnt; i++) {
844 smbios_build_type_17_table(i, GET_DIMM_SZ);
845 }
846
847 for (i = 0; i < mem_array_size; i++) {
848 smbios_build_type_19_table(i, mem_array[i].address,
849 mem_array[i].length);
850 }
851
852 smbios_build_type_32_table();
853 smbios_build_type_38_table();
854 smbios_build_type_127_table();
855
856 smbios_validate_table();
857 smbios_entry_point_setup();
858 smbios_immutable = true;
859 }
860
861 /* return tables blob and entry point (anchor), and their sizes */
862 *tables = smbios_tables;
863 *tables_len = smbios_tables_len;
864 *anchor = (uint8_t *)&ep;
865
866 /* calculate length based on anchor string */
867 if (!strncmp((char *)&ep, "_SM_", 4)) {
868 *anchor_len = sizeof(struct smbios_21_entry_point);
869 } else if (!strncmp((char *)&ep, "_SM3_", 5)) {
870 *anchor_len = sizeof(struct smbios_30_entry_point);
871 } else {
872 abort();
873 }
874 }
875
876 static void save_opt(const char **dest, QemuOpts *opts, const char *name)
877 {
878 const char *val = qemu_opt_get(opts, name);
879
880 if (val) {
881 *dest = val;
882 }
883 }
884
885 void smbios_entry_add(QemuOpts *opts, Error **errp)
886 {
887 const char *val;
888
889 assert(!smbios_immutable);
890
891 val = qemu_opt_get(opts, "file");
892 if (val) {
893 struct smbios_structure_header *header;
894 int size;
895 struct smbios_table *table; /* legacy mode only */
896
897 qemu_opts_validate(opts, qemu_smbios_file_opts, &error_fatal);
898
899 size = get_image_size(val);
900 if (size == -1 || size < sizeof(struct smbios_structure_header)) {
901 error_report("Cannot read SMBIOS file %s", val);
902 exit(1);
903 }
904
905 /*
906 * NOTE: standard double '\0' terminator expected, per smbios spec.
907 * (except in legacy mode, where the second '\0' is implicit and
908 * will be inserted by the BIOS).
909 */
910 smbios_tables = g_realloc(smbios_tables, smbios_tables_len + size);
911 header = (struct smbios_structure_header *)(smbios_tables +
912 smbios_tables_len);
913
914 if (load_image(val, (uint8_t *)header) != size) {
915 error_report("Failed to load SMBIOS file %s", val);
916 exit(1);
917 }
918
919 if (test_bit(header->type, have_fields_bitmap)) {
920 error_report("can't load type %d struct, fields already specified!",
921 header->type);
922 exit(1);
923 }
924 set_bit(header->type, have_binfile_bitmap);
925
926 if (header->type == 4) {
927 smbios_type4_count++;
928 }
929
930 smbios_tables_len += size;
931 if (size > smbios_table_max) {
932 smbios_table_max = size;
933 }
934 smbios_table_cnt++;
935
936 /* add a copy of the newly loaded blob to legacy smbios_entries */
937 /* NOTE: This code runs before smbios_set_defaults(), so we don't
938 * yet know which mode (legacy vs. aggregate-table) will be
939 * required. We therefore add the binary blob to both legacy
940 * (smbios_entries) and aggregate (smbios_tables) tables, and
941 * delete the one we don't need from smbios_set_defaults(),
942 * once we know which machine version has been requested.
943 */
944 if (!smbios_entries) {
945 smbios_entries_len = sizeof(uint16_t);
946 smbios_entries = g_malloc0(smbios_entries_len);
947 }
948 smbios_entries = g_realloc(smbios_entries, smbios_entries_len +
949 size + sizeof(*table));
950 table = (struct smbios_table *)(smbios_entries + smbios_entries_len);
951 table->header.type = SMBIOS_TABLE_ENTRY;
952 table->header.length = cpu_to_le16(sizeof(*table) + size);
953 memcpy(table->data, header, size);
954 smbios_entries_len += sizeof(*table) + size;
955 (*(uint16_t *)smbios_entries) =
956 cpu_to_le16(le16_to_cpu(*(uint16_t *)smbios_entries) + 1);
957 /* end: add a copy of the newly loaded blob to legacy smbios_entries */
958
959 return;
960 }
961
962 val = qemu_opt_get(opts, "type");
963 if (val) {
964 unsigned long type = strtoul(val, NULL, 0);
965
966 if (type > SMBIOS_MAX_TYPE) {
967 error_report("out of range!");
968 exit(1);
969 }
970
971 if (test_bit(type, have_binfile_bitmap)) {
972 error_report("can't add fields, binary file already loaded!");
973 exit(1);
974 }
975 set_bit(type, have_fields_bitmap);
976
977 switch (type) {
978 case 0:
979 qemu_opts_validate(opts, qemu_smbios_type0_opts, &error_fatal);
980 save_opt(&type0.vendor, opts, "vendor");
981 save_opt(&type0.version, opts, "version");
982 save_opt(&type0.date, opts, "date");
983 type0.uefi = qemu_opt_get_bool(opts, "uefi", false);
984
985 val = qemu_opt_get(opts, "release");
986 if (val) {
987 if (sscanf(val, "%hhu.%hhu", &type0.major, &type0.minor) != 2) {
988 error_report("Invalid release");
989 exit(1);
990 }
991 type0.have_major_minor = true;
992 }
993 return;
994 case 1:
995 qemu_opts_validate(opts, qemu_smbios_type1_opts, &error_fatal);
996 save_opt(&type1.manufacturer, opts, "manufacturer");
997 save_opt(&type1.product, opts, "product");
998 save_opt(&type1.version, opts, "version");
999 save_opt(&type1.serial, opts, "serial");
1000 save_opt(&type1.sku, opts, "sku");
1001 save_opt(&type1.family, opts, "family");
1002
1003 val = qemu_opt_get(opts, "uuid");
1004 if (val) {
1005 if (qemu_uuid_parse(val, &qemu_uuid) != 0) {
1006 error_report("Invalid UUID");
1007 exit(1);
1008 }
1009 qemu_uuid_set = true;
1010 }
1011 return;
1012 case 2:
1013 qemu_opts_validate(opts, qemu_smbios_type2_opts, &error_fatal);
1014 save_opt(&type2.manufacturer, opts, "manufacturer");
1015 save_opt(&type2.product, opts, "product");
1016 save_opt(&type2.version, opts, "version");
1017 save_opt(&type2.serial, opts, "serial");
1018 save_opt(&type2.asset, opts, "asset");
1019 save_opt(&type2.location, opts, "location");
1020 return;
1021 case 3:
1022 qemu_opts_validate(opts, qemu_smbios_type3_opts, &error_fatal);
1023 save_opt(&type3.manufacturer, opts, "manufacturer");
1024 save_opt(&type3.version, opts, "version");
1025 save_opt(&type3.serial, opts, "serial");
1026 save_opt(&type3.asset, opts, "asset");
1027 save_opt(&type3.sku, opts, "sku");
1028 return;
1029 case 4:
1030 qemu_opts_validate(opts, qemu_smbios_type4_opts, &error_fatal);
1031 save_opt(&type4.sock_pfx, opts, "sock_pfx");
1032 save_opt(&type4.manufacturer, opts, "manufacturer");
1033 save_opt(&type4.version, opts, "version");
1034 save_opt(&type4.serial, opts, "serial");
1035 save_opt(&type4.asset, opts, "asset");
1036 save_opt(&type4.part, opts, "part");
1037 return;
1038 case 17:
1039 qemu_opts_validate(opts, qemu_smbios_type17_opts, &error_fatal);
1040 save_opt(&type17.loc_pfx, opts, "loc_pfx");
1041 save_opt(&type17.bank, opts, "bank");
1042 save_opt(&type17.manufacturer, opts, "manufacturer");
1043 save_opt(&type17.serial, opts, "serial");
1044 save_opt(&type17.asset, opts, "asset");
1045 save_opt(&type17.part, opts, "part");
1046 type17.speed = qemu_opt_get_number(opts, "speed", 0);
1047 return;
1048 default:
1049 error_report("Don't know how to build fields for SMBIOS type %ld",
1050 type);
1051 exit(1);
1052 }
1053 }
1054
1055 error_report("Must specify type= or file=");
1056 exit(1);
1057 }
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