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ppc: Fix size of ppc64 xer register
[qemu/kevin.git] / hw / smbios / smbios.c
blob27a07e96f4343827897eaa27b536cf484e8bdacc
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 "qemu/option.h"
23 #include "sysemu/sysemu.h"
24 #include "qemu/uuid.h"
25 #include "sysemu/cpus.h"
26 #include "hw/smbios/smbios.h"
27 #include "hw/loader.h"
28 #include "exec/cpu-common.h"
29 #include "smbios_build.h"
30 #include "hw/smbios/ipmi.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(void)
344 {
345 uint32_t expect_t4_count = smbios_legacy ? smp_cpus : smbios_smp_sockets;
346
347 if (smbios_type4_count && smbios_type4_count != expect_t4_count) {
348 error_report("Expected %d SMBIOS Type 4 tables, got %d instead",
349 expect_t4_count, smbios_type4_count);
350 exit(1);
351 }
352 }
353
354
355 /* legacy setup functions for <= 2.0 machines */
356 static void smbios_add_field(int type, int offset, const void *data, size_t len)
357 {
358 struct smbios_field *field;
359
360 if (!smbios_entries) {
361 smbios_entries_len = sizeof(uint16_t);
362 smbios_entries = g_malloc0(smbios_entries_len);
363 }
364 smbios_entries = g_realloc(smbios_entries, smbios_entries_len +
365 sizeof(*field) + len);
366 field = (struct smbios_field *)(smbios_entries + smbios_entries_len);
367 field->header.type = SMBIOS_FIELD_ENTRY;
368 field->header.length = cpu_to_le16(sizeof(*field) + len);
369
370 field->type = type;
371 field->offset = cpu_to_le16(offset);
372 memcpy(field->data, data, len);
373
374 smbios_entries_len += sizeof(*field) + len;
375 (*(uint16_t *)smbios_entries) =
376 cpu_to_le16(le16_to_cpu(*(uint16_t *)smbios_entries) + 1);
377 }
378
379 static void smbios_maybe_add_str(int type, int offset, const char *data)
380 {
381 if (data) {
382 smbios_add_field(type, offset, data, strlen(data) + 1);
383 }
384 }
385
386 static void smbios_build_type_0_fields(void)
387 {
388 smbios_maybe_add_str(0, offsetof(struct smbios_type_0, vendor_str),
389 type0.vendor);
390 smbios_maybe_add_str(0, offsetof(struct smbios_type_0, bios_version_str),
391 type0.version);
392 smbios_maybe_add_str(0, offsetof(struct smbios_type_0,
393 bios_release_date_str),
394 type0.date);
395 if (type0.have_major_minor) {
396 smbios_add_field(0, offsetof(struct smbios_type_0,
397 system_bios_major_release),
398 &type0.major, 1);
399 smbios_add_field(0, offsetof(struct smbios_type_0,
400 system_bios_minor_release),
401 &type0.minor, 1);
402 }
403 }
404
405 static void smbios_build_type_1_fields(void)
406 {
407 smbios_maybe_add_str(1, offsetof(struct smbios_type_1, manufacturer_str),
408 type1.manufacturer);
409 smbios_maybe_add_str(1, offsetof(struct smbios_type_1, product_name_str),
410 type1.product);
411 smbios_maybe_add_str(1, offsetof(struct smbios_type_1, version_str),
412 type1.version);
413 smbios_maybe_add_str(1, offsetof(struct smbios_type_1, serial_number_str),
414 type1.serial);
415 smbios_maybe_add_str(1, offsetof(struct smbios_type_1, sku_number_str),
416 type1.sku);
417 smbios_maybe_add_str(1, offsetof(struct smbios_type_1, family_str),
418 type1.family);
419 if (qemu_uuid_set) {
420 /* We don't encode the UUID in the "wire format" here because this
421 * function is for legacy mode and needs to keep the guest ABI, and
422 * because we don't know what's the SMBIOS version advertised by the
423 * BIOS.
424 */
425 smbios_add_field(1, offsetof(struct smbios_type_1, uuid),
426 &qemu_uuid, 16);
427 }
428 }
429
430 uint8_t *smbios_get_table_legacy(size_t *length)
431 {
432 if (!smbios_legacy) {
433 *length = 0;
434 return NULL;
435 }
436
437 if (!smbios_immutable) {
438 smbios_build_type_0_fields();
439 smbios_build_type_1_fields();
440 smbios_validate_table();
441 smbios_immutable = true;
442 }
443 *length = smbios_entries_len;
444 return smbios_entries;
445 }
446 /* end: legacy setup functions for <= 2.0 machines */
447
448
449 bool smbios_skip_table(uint8_t type, bool required_table)
450 {
451 if (test_bit(type, have_binfile_bitmap)) {
452 return true; /* user provided their own binary blob(s) */
453 }
454 if (test_bit(type, have_fields_bitmap)) {
455 return false; /* user provided fields via command line */
456 }
457 if (smbios_have_defaults && required_table) {
458 return false; /* we're building tables, and this one's required */
459 }
460 return true;
461 }
462
463 static void smbios_build_type_0_table(void)
464 {
465 SMBIOS_BUILD_TABLE_PRE(0, 0x000, false); /* optional, leave up to BIOS */
466
467 SMBIOS_TABLE_SET_STR(0, vendor_str, type0.vendor);
468 SMBIOS_TABLE_SET_STR(0, bios_version_str, type0.version);
469
470 t->bios_starting_address_segment = cpu_to_le16(0xE800); /* from SeaBIOS */
471
472 SMBIOS_TABLE_SET_STR(0, bios_release_date_str, type0.date);
473
474 t->bios_rom_size = 0; /* hardcoded in SeaBIOS with FIXME comment */
475
476 t->bios_characteristics = cpu_to_le64(0x08); /* Not supported */
477 t->bios_characteristics_extension_bytes[0] = 0;
478 t->bios_characteristics_extension_bytes[1] = 0x14; /* TCD/SVVP | VM */
479 if (type0.uefi) {
480 t->bios_characteristics_extension_bytes[1] |= 0x08; /* |= UEFI */
481 }
482
483 if (type0.have_major_minor) {
484 t->system_bios_major_release = type0.major;
485 t->system_bios_minor_release = type0.minor;
486 } else {
487 t->system_bios_major_release = 0;
488 t->system_bios_minor_release = 0;
489 }
490
491 /* hardcoded in SeaBIOS */
492 t->embedded_controller_major_release = 0xFF;
493 t->embedded_controller_minor_release = 0xFF;
494
495 SMBIOS_BUILD_TABLE_POST;
496 }
497
498 /* Encode UUID from the big endian encoding described on RFC4122 to the wire
499 * format specified by SMBIOS version 2.6.
500 */
501 static void smbios_encode_uuid(struct smbios_uuid *uuid, QemuUUID *in)
502 {
503 memcpy(uuid, in, 16);
504 if (smbios_uuid_encoded) {
505 uuid->time_low = bswap32(uuid->time_low);
506 uuid->time_mid = bswap16(uuid->time_mid);
507 uuid->time_hi_and_version = bswap16(uuid->time_hi_and_version);
508 }
509 }
510
511 static void smbios_build_type_1_table(void)
512 {
513 SMBIOS_BUILD_TABLE_PRE(1, 0x100, true); /* required */
514
515 SMBIOS_TABLE_SET_STR(1, manufacturer_str, type1.manufacturer);
516 SMBIOS_TABLE_SET_STR(1, product_name_str, type1.product);
517 SMBIOS_TABLE_SET_STR(1, version_str, type1.version);
518 SMBIOS_TABLE_SET_STR(1, serial_number_str, type1.serial);
519 if (qemu_uuid_set) {
520 smbios_encode_uuid(&t->uuid, &qemu_uuid);
521 } else {
522 memset(&t->uuid, 0, 16);
523 }
524 t->wake_up_type = 0x06; /* power switch */
525 SMBIOS_TABLE_SET_STR(1, sku_number_str, type1.sku);
526 SMBIOS_TABLE_SET_STR(1, family_str, type1.family);
527
528 SMBIOS_BUILD_TABLE_POST;
529 }
530
531 static void smbios_build_type_2_table(void)
532 {
533 SMBIOS_BUILD_TABLE_PRE(2, 0x200, false); /* optional */
534
535 SMBIOS_TABLE_SET_STR(2, manufacturer_str, type2.manufacturer);
536 SMBIOS_TABLE_SET_STR(2, product_str, type2.product);
537 SMBIOS_TABLE_SET_STR(2, version_str, type2.version);
538 SMBIOS_TABLE_SET_STR(2, serial_number_str, type2.serial);
539 SMBIOS_TABLE_SET_STR(2, asset_tag_number_str, type2.asset);
540 t->feature_flags = 0x01; /* Motherboard */
541 SMBIOS_TABLE_SET_STR(2, location_str, type2.location);
542 t->chassis_handle = cpu_to_le16(0x300); /* Type 3 (System enclosure) */
543 t->board_type = 0x0A; /* Motherboard */
544 t->contained_element_count = 0;
545
546 SMBIOS_BUILD_TABLE_POST;
547 }
548
549 static void smbios_build_type_3_table(void)
550 {
551 SMBIOS_BUILD_TABLE_PRE(3, 0x300, true); /* required */
552
553 SMBIOS_TABLE_SET_STR(3, manufacturer_str, type3.manufacturer);
554 t->type = 0x01; /* Other */
555 SMBIOS_TABLE_SET_STR(3, version_str, type3.version);
556 SMBIOS_TABLE_SET_STR(3, serial_number_str, type3.serial);
557 SMBIOS_TABLE_SET_STR(3, asset_tag_number_str, type3.asset);
558 t->boot_up_state = 0x03; /* Safe */
559 t->power_supply_state = 0x03; /* Safe */
560 t->thermal_state = 0x03; /* Safe */
561 t->security_status = 0x02; /* Unknown */
562 t->oem_defined = cpu_to_le32(0);
563 t->height = 0;
564 t->number_of_power_cords = 0;
565 t->contained_element_count = 0;
566 SMBIOS_TABLE_SET_STR(3, sku_number_str, type3.sku);
567
568 SMBIOS_BUILD_TABLE_POST;
569 }
570
571 static void smbios_build_type_4_table(unsigned instance)
572 {
573 char sock_str[128];
574
575 SMBIOS_BUILD_TABLE_PRE(4, 0x400 + instance, true); /* required */
576
577 snprintf(sock_str, sizeof(sock_str), "%s%2x", type4.sock_pfx, instance);
578 SMBIOS_TABLE_SET_STR(4, socket_designation_str, sock_str);
579 t->processor_type = 0x03; /* CPU */
580 t->processor_family = 0x01; /* Other */
581 SMBIOS_TABLE_SET_STR(4, processor_manufacturer_str, type4.manufacturer);
582 t->processor_id[0] = cpu_to_le32(smbios_cpuid_version);
583 t->processor_id[1] = cpu_to_le32(smbios_cpuid_features);
584 SMBIOS_TABLE_SET_STR(4, processor_version_str, type4.version);
585 t->voltage = 0;
586 t->external_clock = cpu_to_le16(0); /* Unknown */
587 /* SVVP requires max_speed and current_speed to not be unknown. */
588 t->max_speed = cpu_to_le16(2000); /* 2000 MHz */
589 t->current_speed = cpu_to_le16(2000); /* 2000 MHz */
590 t->status = 0x41; /* Socket populated, CPU enabled */
591 t->processor_upgrade = 0x01; /* Other */
592 t->l1_cache_handle = cpu_to_le16(0xFFFF); /* N/A */
593 t->l2_cache_handle = cpu_to_le16(0xFFFF); /* N/A */
594 t->l3_cache_handle = cpu_to_le16(0xFFFF); /* N/A */
595 SMBIOS_TABLE_SET_STR(4, serial_number_str, type4.serial);
596 SMBIOS_TABLE_SET_STR(4, asset_tag_number_str, type4.asset);
597 SMBIOS_TABLE_SET_STR(4, part_number_str, type4.part);
598 t->core_count = t->core_enabled = smp_cores;
599 t->thread_count = smp_threads;
600 t->processor_characteristics = cpu_to_le16(0x02); /* Unknown */
601 t->processor_family2 = cpu_to_le16(0x01); /* Other */
602
603 SMBIOS_BUILD_TABLE_POST;
604 smbios_type4_count++;
605 }
606
607 static void smbios_build_type_11_table(void)
608 {
609 char count_str[128];
610 size_t i;
611
612 if (type11.nvalues == 0) {
613 return;
614 }
615
616 SMBIOS_BUILD_TABLE_PRE(11, 0xe00, true); /* required */
617
618 snprintf(count_str, sizeof(count_str), "%zu", type11.nvalues);
619 t->count = type11.nvalues;
620
621 for (i = 0; i < type11.nvalues; i++) {
622 SMBIOS_TABLE_SET_STR_LIST(11, type11.values[i]);
623 }
624
625 SMBIOS_BUILD_TABLE_POST;
626 }
627
628 #define ONE_KB ((ram_addr_t)1 << 10)
629 #define ONE_MB ((ram_addr_t)1 << 20)
630 #define ONE_GB ((ram_addr_t)1 << 30)
631
632 #define MAX_T16_STD_SZ 0x80000000 /* 2T in Kilobytes */
633
634 static void smbios_build_type_16_table(unsigned dimm_cnt)
635 {
636 uint64_t size_kb;
637
638 SMBIOS_BUILD_TABLE_PRE(16, 0x1000, true); /* required */
639
640 t->location = 0x01; /* Other */
641 t->use = 0x03; /* System memory */
642 t->error_correction = 0x06; /* Multi-bit ECC (for Microsoft, per SeaBIOS) */
643 size_kb = QEMU_ALIGN_UP(ram_size, ONE_KB) / ONE_KB;
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); /* Not provided */
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 /* (32G - 1M), in Megabytes */
658 #define MAX_T17_EXT_SZ 0x80000000 /* 2P, in Megabytes */
659
660 static 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); /* required */
666
667 t->physical_memory_array_handle = cpu_to_le16(0x1000); /* Type 16 above */
668 t->memory_error_information_handle = cpu_to_le16(0xFFFE); /* Not provided */
669 t->total_width = cpu_to_le16(0xFFFF); /* Unknown */
670 t->data_width = cpu_to_le16(0xFFFF); /* Unknown */
671 size_mb = QEMU_ALIGN_UP(size, ONE_MB) / ONE_MB;
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; /* DIMM */
681 t->device_set = 0; /* Not in a set */
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; /* RAM */
686 t->type_detail = cpu_to_le16(0x02); /* Other */
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; /* Unknown */
693 t->configured_clock_speed = t->speed; /* reuse value for max speed */
694 t->minimum_voltage = cpu_to_le16(0); /* Unknown */
695 t->maximum_voltage = cpu_to_le16(0); /* Unknown */
696 t->configured_voltage = cpu_to_le16(0); /* Unknown */
697
698 SMBIOS_BUILD_TABLE_POST;
699 }
700
701 static 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); /* required */
707
708 end = start + size - 1;
709 assert(end > start);
710 start_kb = start / ONE_KB;
711 end_kb = end / ONE_KB;
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); /* Type 16 above */
723 t->partition_width = 1; /* One device per row */
724
725 SMBIOS_BUILD_TABLE_POST;
726 }
727
728 static void smbios_build_type_32_table(void)
729 {
730 SMBIOS_BUILD_TABLE_PRE(32, 0x2000, true); /* required */
731
732 memset(t->reserved, 0, 6);
733 t->boot_status = 0; /* No errors detected */
734
735 SMBIOS_BUILD_TABLE_POST;
736 }
737
738 static void smbios_build_type_127_table(void)
739 {
740 SMBIOS_BUILD_TABLE_PRE(127, 0x7F00, true); /* required */
741 SMBIOS_BUILD_TABLE_POST;
742 }
743
744 void 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
755 void 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 /* drop unwanted version of command-line file blob(s) */
765 if (smbios_legacy) {
766 g_free(smbios_tables);
767 /* in legacy mode, also complain if fields were given for types > 1 */
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
793 static 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; /* formatted_area reserved */
801 memset(ep.ep21.formatted_area, 0, 5);
802
803 /* compliant with smbios spec v2.8 */
804 ep.ep21.smbios_major_version = 2;
805 ep.ep21.smbios_minor_version = 8;
806 ep.ep21.smbios_bcd_revision = 0x28;
807
808 /* set during table construction, but BIOS may override: */
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 /* BIOS must recalculate */
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 /* compliant with smbios spec 3.0 */
826 ep.ep30.smbios_major_version = 3;
827 ep.ep30.smbios_minor_version = 0;
828 ep.ep30.smbios_doc_rev = 0;
829
830 /* set during table construct, but BIOS might override */
831 ep.ep30.structure_table_max_size = cpu_to_le32(smbios_tables_len);
832
833 /* BIOS must recalculate */
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
844 void smbios_get_tables(const struct smbios_phys_mem_area *mem_array,
845 const unsigned int mem_array_size,
846 uint8_t **tables, size_t *tables_len,
847 uint8_t **anchor, size_t *anchor_len)
848 {
849 unsigned i, dimm_cnt;
850
851 if (smbios_legacy) {
852 *tables = *anchor = NULL;
853 *tables_len = *anchor_len = 0;
854 return;
855 }
856
857 if (!smbios_immutable) {
858 smbios_build_type_0_table();
859 smbios_build_type_1_table();
860 smbios_build_type_2_table();
861 smbios_build_type_3_table();
862
863 smbios_smp_sockets = DIV_ROUND_UP(smp_cpus, smp_cores * smp_threads);
864 assert(smbios_smp_sockets >= 1);
865
866 for (i = 0; i < smbios_smp_sockets; i++) {
867 smbios_build_type_4_table(i);
868 }
869
870 smbios_build_type_11_table();
871
872 #define MAX_DIMM_SZ (16ll * ONE_GB)
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();
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 qemu_opts_validate(opts, qemu_smbios_file_opts, &error_fatal);
967
968 size = get_image_size(val);
969 if (size == -1 || size < sizeof(struct smbios_structure_header)) {
970 error_report("Cannot read SMBIOS file %s", val);
971 exit(1);
972 }
973
974 /*
975 * NOTE: standard double '\0' terminator expected, per smbios spec.
976 * (except in legacy mode, where the second '\0' is implicit and
977 * will be inserted by the BIOS).
978 */
979 smbios_tables = g_realloc(smbios_tables, smbios_tables_len + size);
980 header = (struct smbios_structure_header *)(smbios_tables +
981 smbios_tables_len);
982
983 if (load_image(val, (uint8_t *)header) != size) {
984 error_report("Failed to load SMBIOS file %s", val);
985 exit(1);
986 }
987
988 if (test_bit(header->type, have_fields_bitmap)) {
989 error_report("can't load type %d struct, fields already specified!",
990 header->type);
991 exit(1);
992 }
993 set_bit(header->type, have_binfile_bitmap);
994
995 if (header->type == 4) {
996 smbios_type4_count++;
997 }
998
999 smbios_tables_len += size;
1000 if (size > smbios_table_max) {
1001 smbios_table_max = size;
1002 }
1003 smbios_table_cnt++;
1004
1005 /* add a copy of the newly loaded blob to legacy smbios_entries */
1006 /* NOTE: This code runs before smbios_set_defaults(), so we don't
1007 * yet know which mode (legacy vs. aggregate-table) will be
1008 * required. We therefore add the binary blob to both legacy
1009 * (smbios_entries) and aggregate (smbios_tables) tables, and
1010 * delete the one we don't need from smbios_set_defaults(),
1011 * once we know which machine version has been requested.
1012 */
1013 if (!smbios_entries) {
1014 smbios_entries_len = sizeof(uint16_t);
1015 smbios_entries = g_malloc0(smbios_entries_len);
1016 }
1017 smbios_entries = g_realloc(smbios_entries, smbios_entries_len +
1018 size + sizeof(*table));
1019 table = (struct smbios_table *)(smbios_entries + smbios_entries_len);
1020 table->header.type = SMBIOS_TABLE_ENTRY;
1021 table->header.length = cpu_to_le16(sizeof(*table) + size);
1022 memcpy(table->data, header, size);
1023 smbios_entries_len += sizeof(*table) + size;
1024 (*(uint16_t *)smbios_entries) =
1025 cpu_to_le16(le16_to_cpu(*(uint16_t *)smbios_entries) + 1);
1026 /* end: add a copy of the newly loaded blob to legacy smbios_entries */
1027
1028 return;
1029 }
1030
1031 val = qemu_opt_get(opts, "type");
1032 if (val) {
1033 unsigned long type = strtoul(val, NULL, 0);
1034
1035 if (type > SMBIOS_MAX_TYPE) {
1036 error_report("out of range!");
1037 exit(1);
1038 }
1039
1040 if (test_bit(type, have_binfile_bitmap)) {
1041 error_report("can't add fields, binary file already loaded!");
1042 exit(1);
1043 }
1044 set_bit(type, have_fields_bitmap);
1045
1046 switch (type) {
1047 case 0:
1048 qemu_opts_validate(opts, qemu_smbios_type0_opts, &error_fatal);
1049 save_opt(&type0.vendor, opts, "vendor");
1050 save_opt(&type0.version, opts, "version");
1051 save_opt(&type0.date, opts, "date");
1052 type0.uefi = qemu_opt_get_bool(opts, "uefi", false);
1053
1054 val = qemu_opt_get(opts, "release");
1055 if (val) {
1056 if (sscanf(val, "%hhu.%hhu", &type0.major, &type0.minor) != 2) {
1057 error_report("Invalid release");
1058 exit(1);
1059 }
1060 type0.have_major_minor = true;
1061 }
1062 return;
1063 case 1:
1064 qemu_opts_validate(opts, qemu_smbios_type1_opts, &error_fatal);
1065 save_opt(&type1.manufacturer, opts, "manufacturer");
1066 save_opt(&type1.product, opts, "product");
1067 save_opt(&type1.version, opts, "version");
1068 save_opt(&type1.serial, opts, "serial");
1069 save_opt(&type1.sku, opts, "sku");
1070 save_opt(&type1.family, opts, "family");
1071
1072 val = qemu_opt_get(opts, "uuid");
1073 if (val) {
1074 if (qemu_uuid_parse(val, &qemu_uuid) != 0) {
1075 error_report("Invalid UUID");
1076 exit(1);
1077 }
1078 qemu_uuid_set = true;
1079 }
1080 return;
1081 case 2:
1082 qemu_opts_validate(opts, qemu_smbios_type2_opts, &error_fatal);
1083 save_opt(&type2.manufacturer, opts, "manufacturer");
1084 save_opt(&type2.product, opts, "product");
1085 save_opt(&type2.version, opts, "version");
1086 save_opt(&type2.serial, opts, "serial");
1087 save_opt(&type2.asset, opts, "asset");
1088 save_opt(&type2.location, opts, "location");
1089 return;
1090 case 3:
1091 qemu_opts_validate(opts, qemu_smbios_type3_opts, &error_fatal);
1092 save_opt(&type3.manufacturer, opts, "manufacturer");
1093 save_opt(&type3.version, opts, "version");
1094 save_opt(&type3.serial, opts, "serial");
1095 save_opt(&type3.asset, opts, "asset");
1096 save_opt(&type3.sku, opts, "sku");
1097 return;
1098 case 4:
1099 qemu_opts_validate(opts, qemu_smbios_type4_opts, &error_fatal);
1100 save_opt(&type4.sock_pfx, opts, "sock_pfx");
1101 save_opt(&type4.manufacturer, opts, "manufacturer");
1102 save_opt(&type4.version, opts, "version");
1103 save_opt(&type4.serial, opts, "serial");
1104 save_opt(&type4.asset, opts, "asset");
1105 save_opt(&type4.part, opts, "part");
1106 return;
1107 case 11:
1108 qemu_opts_validate(opts, qemu_smbios_type11_opts, &error_fatal);
1109 save_opt_list(&type11.nvalues, &type11.values, opts, "value");
1110 return;
1111 case 17:
1112 qemu_opts_validate(opts, qemu_smbios_type17_opts, &error_fatal);
1113 save_opt(&type17.loc_pfx, opts, "loc_pfx");
1114 save_opt(&type17.bank, opts, "bank");
1115 save_opt(&type17.manufacturer, opts, "manufacturer");
1116 save_opt(&type17.serial, opts, "serial");
1117 save_opt(&type17.asset, opts, "asset");
1118 save_opt(&type17.part, opts, "part");
1119 type17.speed = qemu_opt_get_number(opts, "speed", 0);
1120 return;
1121 default:
1122 error_report("Don't know how to build fields for SMBIOS type %ld",
1123 type);
1124 exit(1);
1125 }
1126 }
1127
1128 error_report("Must specify type= or file=");
1129 exit(1);
1130 }
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