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target-ppc: Add pvr_match() callback
[qemu/rayw.git] / hw / i386 / smbios.c
blobe3fa1b2fc16048b62c574cf1962d34daf11232c3
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/config-file.h"
19 #include "qemu/error-report.h"
20 #include "sysemu/sysemu.h"
21 #include "sysemu/cpus.h"
22 #include "hw/i386/pc.h"
23 #include "hw/i386/smbios.h"
24 #include "hw/loader.h"
25
26
27 /* legacy structures and constants for <= 2.0 machines */
28 struct smbios_header {
29 uint16_t length;
30 uint8_t type;
31 } QEMU_PACKED;
32
33 struct smbios_field {
34 struct smbios_header header;
35 uint8_t type;
36 uint16_t offset;
37 uint8_t data[];
38 } QEMU_PACKED;
39
40 struct smbios_table {
41 struct smbios_header header;
42 uint8_t data[];
43 } QEMU_PACKED;
44
45 #define SMBIOS_FIELD_ENTRY 0
46 #define SMBIOS_TABLE_ENTRY 1
47
48 static uint8_t *smbios_entries;
49 static size_t smbios_entries_len;
50 static bool smbios_legacy = true;
51 /* end: legacy structures & constants for <= 2.0 machines */
52
53
54 static uint8_t *smbios_tables;
55 static size_t smbios_tables_len;
56 static unsigned smbios_table_max;
57 static unsigned smbios_table_cnt;
58 static struct smbios_entry_point ep;
59
60 static int smbios_type4_count = 0;
61 static bool smbios_immutable;
62 static bool smbios_have_defaults;
63 static uint32_t smbios_cpuid_version, smbios_cpuid_features, smbios_smp_sockets;
64
65 static DECLARE_BITMAP(have_binfile_bitmap, SMBIOS_MAX_TYPE+1);
66 static DECLARE_BITMAP(have_fields_bitmap, SMBIOS_MAX_TYPE+1);
67
68 static struct {
69 const char *vendor, *version, *date;
70 bool have_major_minor, uefi;
71 uint8_t major, minor;
72 } type0;
73
74 static struct {
75 const char *manufacturer, *product, *version, *serial, *sku, *family;
76 /* uuid is in qemu_uuid[] */
77 } type1;
78
79 static struct {
80 const char *manufacturer, *product, *version, *serial, *asset, *location;
81 } type2;
82
83 static struct {
84 const char *manufacturer, *version, *serial, *asset, *sku;
85 } type3;
86
87 static struct {
88 const char *sock_pfx, *manufacturer, *version, *serial, *asset, *part;
89 } type4;
90
91 static struct {
92 const char *loc_pfx, *bank, *manufacturer, *serial, *asset, *part;
93 } type17;
94
95 static QemuOptsList qemu_smbios_opts = {
96 .name = "smbios",
97 .head = QTAILQ_HEAD_INITIALIZER(qemu_smbios_opts.head),
98 .desc = {
99 /*
100 * no elements => accept any params
101 * validation will happen later
102 */
103 { /* end of list */ }
104 }
105 };
106
107 static const QemuOptDesc qemu_smbios_file_opts[] = {
108 {
109 .name = "file",
110 .type = QEMU_OPT_STRING,
111 .help = "binary file containing an SMBIOS element",
112 },
113 { /* end of list */ }
114 };
115
116 static const QemuOptDesc qemu_smbios_type0_opts[] = {
117 {
118 .name = "type",
119 .type = QEMU_OPT_NUMBER,
120 .help = "SMBIOS element type",
121 },{
122 .name = "vendor",
123 .type = QEMU_OPT_STRING,
124 .help = "vendor name",
125 },{
126 .name = "version",
127 .type = QEMU_OPT_STRING,
128 .help = "version number",
129 },{
130 .name = "date",
131 .type = QEMU_OPT_STRING,
132 .help = "release date",
133 },{
134 .name = "release",
135 .type = QEMU_OPT_STRING,
136 .help = "revision number",
137 },{
138 .name = "uefi",
139 .type = QEMU_OPT_BOOL,
140 .help = "uefi support",
141 },
142 { /* end of list */ }
143 };
144
145 static const QemuOptDesc qemu_smbios_type1_opts[] = {
146 {
147 .name = "type",
148 .type = QEMU_OPT_NUMBER,
149 .help = "SMBIOS element type",
150 },{
151 .name = "manufacturer",
152 .type = QEMU_OPT_STRING,
153 .help = "manufacturer name",
154 },{
155 .name = "product",
156 .type = QEMU_OPT_STRING,
157 .help = "product name",
158 },{
159 .name = "version",
160 .type = QEMU_OPT_STRING,
161 .help = "version number",
162 },{
163 .name = "serial",
164 .type = QEMU_OPT_STRING,
165 .help = "serial number",
166 },{
167 .name = "uuid",
168 .type = QEMU_OPT_STRING,
169 .help = "UUID",
170 },{
171 .name = "sku",
172 .type = QEMU_OPT_STRING,
173 .help = "SKU number",
174 },{
175 .name = "family",
176 .type = QEMU_OPT_STRING,
177 .help = "family name",
178 },
179 { /* end of list */ }
180 };
181
182 static const QemuOptDesc qemu_smbios_type2_opts[] = {
183 {
184 .name = "type",
185 .type = QEMU_OPT_NUMBER,
186 .help = "SMBIOS element type",
187 },{
188 .name = "manufacturer",
189 .type = QEMU_OPT_STRING,
190 .help = "manufacturer name",
191 },{
192 .name = "product",
193 .type = QEMU_OPT_STRING,
194 .help = "product name",
195 },{
196 .name = "version",
197 .type = QEMU_OPT_STRING,
198 .help = "version number",
199 },{
200 .name = "serial",
201 .type = QEMU_OPT_STRING,
202 .help = "serial number",
203 },{
204 .name = "asset",
205 .type = QEMU_OPT_STRING,
206 .help = "asset tag number",
207 },{
208 .name = "location",
209 .type = QEMU_OPT_STRING,
210 .help = "location in chassis",
211 },
212 { /* end of list */ }
213 };
214
215 static const QemuOptDesc qemu_smbios_type3_opts[] = {
216 {
217 .name = "type",
218 .type = QEMU_OPT_NUMBER,
219 .help = "SMBIOS element type",
220 },{
221 .name = "manufacturer",
222 .type = QEMU_OPT_STRING,
223 .help = "manufacturer name",
224 },{
225 .name = "version",
226 .type = QEMU_OPT_STRING,
227 .help = "version number",
228 },{
229 .name = "serial",
230 .type = QEMU_OPT_STRING,
231 .help = "serial number",
232 },{
233 .name = "asset",
234 .type = QEMU_OPT_STRING,
235 .help = "asset tag number",
236 },{
237 .name = "sku",
238 .type = QEMU_OPT_STRING,
239 .help = "SKU number",
240 },
241 { /* end of list */ }
242 };
243
244 static const QemuOptDesc qemu_smbios_type4_opts[] = {
245 {
246 .name = "type",
247 .type = QEMU_OPT_NUMBER,
248 .help = "SMBIOS element type",
249 },{
250 .name = "sock_pfx",
251 .type = QEMU_OPT_STRING,
252 .help = "socket designation string prefix",
253 },{
254 .name = "manufacturer",
255 .type = QEMU_OPT_STRING,
256 .help = "manufacturer name",
257 },{
258 .name = "version",
259 .type = QEMU_OPT_STRING,
260 .help = "version number",
261 },{
262 .name = "serial",
263 .type = QEMU_OPT_STRING,
264 .help = "serial number",
265 },{
266 .name = "asset",
267 .type = QEMU_OPT_STRING,
268 .help = "asset tag number",
269 },{
270 .name = "part",
271 .type = QEMU_OPT_STRING,
272 .help = "part number",
273 },
274 { /* end of list */ }
275 };
276
277 static const QemuOptDesc qemu_smbios_type17_opts[] = {
278 {
279 .name = "type",
280 .type = QEMU_OPT_NUMBER,
281 .help = "SMBIOS element type",
282 },{
283 .name = "loc_pfx",
284 .type = QEMU_OPT_STRING,
285 .help = "device locator string prefix",
286 },{
287 .name = "bank",
288 .type = QEMU_OPT_STRING,
289 .help = "bank locator string",
290 },{
291 .name = "manufacturer",
292 .type = QEMU_OPT_STRING,
293 .help = "manufacturer name",
294 },{
295 .name = "serial",
296 .type = QEMU_OPT_STRING,
297 .help = "serial number",
298 },{
299 .name = "asset",
300 .type = QEMU_OPT_STRING,
301 .help = "asset tag number",
302 },{
303 .name = "part",
304 .type = QEMU_OPT_STRING,
305 .help = "part number",
306 },
307 { /* end of list */ }
308 };
309
310 static void smbios_register_config(void)
311 {
312 qemu_add_opts(&qemu_smbios_opts);
313 }
314
315 machine_init(smbios_register_config);
316
317 static void smbios_validate_table(void)
318 {
319 uint32_t expect_t4_count = smbios_legacy ? smp_cpus : smbios_smp_sockets;
320
321 if (smbios_type4_count && smbios_type4_count != expect_t4_count) {
322 error_report("Expected %d SMBIOS Type 4 tables, got %d instead",
323 expect_t4_count, smbios_type4_count);
324 exit(1);
325 }
326 }
327
328
329 /* legacy setup functions for <= 2.0 machines */
330 static void smbios_add_field(int type, int offset, const void *data, size_t len)
331 {
332 struct smbios_field *field;
333
334 if (!smbios_entries) {
335 smbios_entries_len = sizeof(uint16_t);
336 smbios_entries = g_malloc0(smbios_entries_len);
337 }
338 smbios_entries = g_realloc(smbios_entries, smbios_entries_len +
339 sizeof(*field) + len);
340 field = (struct smbios_field *)(smbios_entries + smbios_entries_len);
341 field->header.type = SMBIOS_FIELD_ENTRY;
342 field->header.length = cpu_to_le16(sizeof(*field) + len);
343
344 field->type = type;
345 field->offset = cpu_to_le16(offset);
346 memcpy(field->data, data, len);
347
348 smbios_entries_len += sizeof(*field) + len;
349 (*(uint16_t *)smbios_entries) =
350 cpu_to_le16(le16_to_cpu(*(uint16_t *)smbios_entries) + 1);
351 }
352
353 static void smbios_maybe_add_str(int type, int offset, const char *data)
354 {
355 if (data) {
356 smbios_add_field(type, offset, data, strlen(data) + 1);
357 }
358 }
359
360 static void smbios_build_type_0_fields(void)
361 {
362 smbios_maybe_add_str(0, offsetof(struct smbios_type_0, vendor_str),
363 type0.vendor);
364 smbios_maybe_add_str(0, offsetof(struct smbios_type_0, bios_version_str),
365 type0.version);
366 smbios_maybe_add_str(0, offsetof(struct smbios_type_0,
367 bios_release_date_str),
368 type0.date);
369 if (type0.have_major_minor) {
370 smbios_add_field(0, offsetof(struct smbios_type_0,
371 system_bios_major_release),
372 &type0.major, 1);
373 smbios_add_field(0, offsetof(struct smbios_type_0,
374 system_bios_minor_release),
375 &type0.minor, 1);
376 }
377 }
378
379 static void smbios_build_type_1_fields(void)
380 {
381 smbios_maybe_add_str(1, offsetof(struct smbios_type_1, manufacturer_str),
382 type1.manufacturer);
383 smbios_maybe_add_str(1, offsetof(struct smbios_type_1, product_name_str),
384 type1.product);
385 smbios_maybe_add_str(1, offsetof(struct smbios_type_1, version_str),
386 type1.version);
387 smbios_maybe_add_str(1, offsetof(struct smbios_type_1, serial_number_str),
388 type1.serial);
389 smbios_maybe_add_str(1, offsetof(struct smbios_type_1, sku_number_str),
390 type1.sku);
391 smbios_maybe_add_str(1, offsetof(struct smbios_type_1, family_str),
392 type1.family);
393 if (qemu_uuid_set) {
394 smbios_add_field(1, offsetof(struct smbios_type_1, uuid),
395 qemu_uuid, 16);
396 }
397 }
398
399 uint8_t *smbios_get_table_legacy(size_t *length)
400 {
401 if (!smbios_legacy) {
402 *length = 0;
403 return NULL;
404 }
405
406 if (!smbios_immutable) {
407 smbios_build_type_0_fields();
408 smbios_build_type_1_fields();
409 smbios_validate_table();
410 smbios_immutable = true;
411 }
412 *length = smbios_entries_len;
413 return smbios_entries;
414 }
415 /* end: legacy setup functions for <= 2.0 machines */
416
417
418 static bool smbios_skip_table(uint8_t type, bool required_table)
419 {
420 if (test_bit(type, have_binfile_bitmap)) {
421 return true; /* user provided their own binary blob(s) */
422 }
423 if (test_bit(type, have_fields_bitmap)) {
424 return false; /* user provided fields via command line */
425 }
426 if (smbios_have_defaults && required_table) {
427 return false; /* we're building tables, and this one's required */
428 }
429 return true;
430 }
431
432 #define SMBIOS_BUILD_TABLE_PRE(tbl_type, tbl_handle, tbl_required) \
433 struct smbios_type_##tbl_type *t; \
434 size_t t_off; /* table offset into smbios_tables */ \
435 int str_index = 0; \
436 do { \
437 /* should we skip building this table ? */ \
438 if (smbios_skip_table(tbl_type, tbl_required)) { \
439 return; \
440 } \
441 \
442 /* use offset of table t within smbios_tables */ \
443 /* (pointer must be updated after each realloc) */ \
444 t_off = smbios_tables_len; \
445 smbios_tables_len += sizeof(*t); \
446 smbios_tables = g_realloc(smbios_tables, smbios_tables_len); \
447 t = (struct smbios_type_##tbl_type *)(smbios_tables + t_off); \
448 \
449 t->header.type = tbl_type; \
450 t->header.length = sizeof(*t); \
451 t->header.handle = cpu_to_le16(tbl_handle); \
452 } while (0)
453
454 #define SMBIOS_TABLE_SET_STR(tbl_type, field, value) \
455 do { \
456 int len = (value != NULL) ? strlen(value) + 1 : 0; \
457 if (len > 1) { \
458 smbios_tables = g_realloc(smbios_tables, \
459 smbios_tables_len + len); \
460 memcpy(smbios_tables + smbios_tables_len, value, len); \
461 smbios_tables_len += len; \
462 /* update pointer post-realloc */ \
463 t = (struct smbios_type_##tbl_type *)(smbios_tables + t_off); \
464 t->field = ++str_index; \
465 } else { \
466 t->field = 0; \
467 } \
468 } while (0)
469
470 #define SMBIOS_BUILD_TABLE_POST \
471 do { \
472 size_t term_cnt, t_size; \
473 \
474 /* add '\0' terminator (add two if no strings defined) */ \
475 term_cnt = (str_index == 0) ? 2 : 1; \
476 smbios_tables = g_realloc(smbios_tables, \
477 smbios_tables_len + term_cnt); \
478 memset(smbios_tables + smbios_tables_len, 0, term_cnt); \
479 smbios_tables_len += term_cnt; \
480 \
481 /* update smbios max. element size */ \
482 t_size = smbios_tables_len - t_off; \
483 if (t_size > smbios_table_max) { \
484 smbios_table_max = t_size; \
485 } \
486 \
487 /* update smbios element count */ \
488 smbios_table_cnt++; \
489 } while (0)
490
491 static void smbios_build_type_0_table(void)
492 {
493 SMBIOS_BUILD_TABLE_PRE(0, 0x000, false); /* optional, leave up to BIOS */
494
495 SMBIOS_TABLE_SET_STR(0, vendor_str, type0.vendor);
496 SMBIOS_TABLE_SET_STR(0, bios_version_str, type0.version);
497
498 t->bios_starting_address_segment = cpu_to_le16(0xE800); /* from SeaBIOS */
499
500 SMBIOS_TABLE_SET_STR(0, bios_release_date_str, type0.date);
501
502 t->bios_rom_size = 0; /* hardcoded in SeaBIOS with FIXME comment */
503
504 t->bios_characteristics = cpu_to_le64(0x08); /* Not supported */
505 t->bios_characteristics_extension_bytes[0] = 0;
506 t->bios_characteristics_extension_bytes[1] = 0x14; /* TCD/SVVP | VM */
507 if (type0.uefi) {
508 t->bios_characteristics_extension_bytes[1] |= 0x08; /* |= UEFI */
509 }
510
511 if (type0.have_major_minor) {
512 t->system_bios_major_release = type0.major;
513 t->system_bios_minor_release = type0.minor;
514 } else {
515 t->system_bios_major_release = 0;
516 t->system_bios_minor_release = 0;
517 }
518
519 /* hardcoded in SeaBIOS */
520 t->embedded_controller_major_release = 0xFF;
521 t->embedded_controller_minor_release = 0xFF;
522
523 SMBIOS_BUILD_TABLE_POST;
524 }
525
526 static void smbios_build_type_1_table(void)
527 {
528 SMBIOS_BUILD_TABLE_PRE(1, 0x100, true); /* required */
529
530 SMBIOS_TABLE_SET_STR(1, manufacturer_str, type1.manufacturer);
531 SMBIOS_TABLE_SET_STR(1, product_name_str, type1.product);
532 SMBIOS_TABLE_SET_STR(1, version_str, type1.version);
533 SMBIOS_TABLE_SET_STR(1, serial_number_str, type1.serial);
534 if (qemu_uuid_set) {
535 memcpy(t->uuid, qemu_uuid, 16);
536 } else {
537 memset(t->uuid, 0, 16);
538 }
539 t->wake_up_type = 0x06; /* power switch */
540 SMBIOS_TABLE_SET_STR(1, sku_number_str, type1.sku);
541 SMBIOS_TABLE_SET_STR(1, family_str, type1.family);
542
543 SMBIOS_BUILD_TABLE_POST;
544 }
545
546 static void smbios_build_type_2_table(void)
547 {
548 SMBIOS_BUILD_TABLE_PRE(2, 0x200, false); /* optional */
549
550 SMBIOS_TABLE_SET_STR(2, manufacturer_str, type2.manufacturer);
551 SMBIOS_TABLE_SET_STR(2, product_str, type2.product);
552 SMBIOS_TABLE_SET_STR(2, version_str, type2.version);
553 SMBIOS_TABLE_SET_STR(2, serial_number_str, type2.serial);
554 SMBIOS_TABLE_SET_STR(2, asset_tag_number_str, type2.asset);
555 t->feature_flags = 0x01; /* Motherboard */
556 SMBIOS_TABLE_SET_STR(2, location_str, type2.location);
557 t->chassis_handle = cpu_to_le16(0x300); /* Type 3 (System enclosure) */
558 t->board_type = 0x0A; /* Motherboard */
559 t->contained_element_count = 0;
560
561 SMBIOS_BUILD_TABLE_POST;
562 }
563
564 static void smbios_build_type_3_table(void)
565 {
566 SMBIOS_BUILD_TABLE_PRE(3, 0x300, true); /* required */
567
568 SMBIOS_TABLE_SET_STR(3, manufacturer_str, type3.manufacturer);
569 t->type = 0x01; /* Other */
570 SMBIOS_TABLE_SET_STR(3, version_str, type3.version);
571 SMBIOS_TABLE_SET_STR(3, serial_number_str, type3.serial);
572 SMBIOS_TABLE_SET_STR(3, asset_tag_number_str, type3.asset);
573 t->boot_up_state = 0x03; /* Safe */
574 t->power_supply_state = 0x03; /* Safe */
575 t->thermal_state = 0x03; /* Safe */
576 t->security_status = 0x02; /* Unknown */
577 t->oem_defined = cpu_to_le32(0);
578 t->height = 0;
579 t->number_of_power_cords = 0;
580 t->contained_element_count = 0;
581 SMBIOS_TABLE_SET_STR(3, sku_number_str, type3.sku);
582
583 SMBIOS_BUILD_TABLE_POST;
584 }
585
586 static void smbios_build_type_4_table(unsigned instance)
587 {
588 char sock_str[128];
589
590 SMBIOS_BUILD_TABLE_PRE(4, 0x400 + instance, true); /* required */
591
592 snprintf(sock_str, sizeof(sock_str), "%s%2x", type4.sock_pfx, instance);
593 SMBIOS_TABLE_SET_STR(4, socket_designation_str, sock_str);
594 t->processor_type = 0x03; /* CPU */
595 t->processor_family = 0x01; /* Other */
596 SMBIOS_TABLE_SET_STR(4, processor_manufacturer_str, type4.manufacturer);
597 t->processor_id[0] = cpu_to_le32(smbios_cpuid_version);
598 t->processor_id[1] = cpu_to_le32(smbios_cpuid_features);
599 SMBIOS_TABLE_SET_STR(4, processor_version_str, type4.version);
600 t->voltage = 0;
601 t->external_clock = cpu_to_le16(0); /* Unknown */
602 t->max_speed = cpu_to_le16(0); /* Unknown */
603 t->current_speed = cpu_to_le16(0); /* Unknown */
604 t->status = 0x41; /* Socket populated, CPU enabled */
605 t->processor_upgrade = 0x01; /* Other */
606 t->l1_cache_handle = cpu_to_le16(0xFFFF); /* N/A */
607 t->l2_cache_handle = cpu_to_le16(0xFFFF); /* N/A */
608 t->l3_cache_handle = cpu_to_le16(0xFFFF); /* N/A */
609 SMBIOS_TABLE_SET_STR(4, serial_number_str, type4.serial);
610 SMBIOS_TABLE_SET_STR(4, asset_tag_number_str, type4.asset);
611 SMBIOS_TABLE_SET_STR(4, part_number_str, type4.part);
612 t->core_count = t->core_enabled = smp_cores;
613 t->thread_count = smp_threads;
614 t->processor_characteristics = cpu_to_le16(0x02); /* Unknown */
615 t->processor_family2 = cpu_to_le16(0x01); /* Other */
616
617 SMBIOS_BUILD_TABLE_POST;
618 smbios_type4_count++;
619 }
620
621 #define ONE_KB ((ram_addr_t)1 << 10)
622 #define ONE_MB ((ram_addr_t)1 << 20)
623 #define ONE_GB ((ram_addr_t)1 << 30)
624
625 #define MAX_T16_STD_SZ 0x80000000 /* 2T in Kilobytes */
626
627 static void smbios_build_type_16_table(unsigned dimm_cnt)
628 {
629 ram_addr_t size_kb;
630
631 SMBIOS_BUILD_TABLE_PRE(16, 0x1000, true); /* required */
632
633 t->location = 0x01; /* Other */
634 t->use = 0x03; /* System memory */
635 t->error_correction = 0x06; /* Multi-bit ECC (for Microsoft, per SeaBIOS) */
636 size_kb = QEMU_ALIGN_UP(ram_size, ONE_KB) / ONE_KB;
637 if (size_kb < MAX_T16_STD_SZ) {
638 t->maximum_capacity = cpu_to_le32(size_kb);
639 t->extended_maximum_capacity = cpu_to_le64(0);
640 } else {
641 t->maximum_capacity = cpu_to_le32(MAX_T16_STD_SZ);
642 t->extended_maximum_capacity = cpu_to_le64(ram_size);
643 }
644 t->memory_error_information_handle = cpu_to_le16(0xFFFE); /* Not provided */
645 t->number_of_memory_devices = cpu_to_le16(dimm_cnt);
646
647 SMBIOS_BUILD_TABLE_POST;
648 }
649
650 #define MAX_T17_STD_SZ 0x7FFF /* (32G - 1M), in Megabytes */
651 #define MAX_T17_EXT_SZ 0x80000000 /* 2P, in Megabytes */
652
653 static void smbios_build_type_17_table(unsigned instance, ram_addr_t size)
654 {
655 char loc_str[128];
656 ram_addr_t size_mb;
657
658 SMBIOS_BUILD_TABLE_PRE(17, 0x1100 + instance, true); /* required */
659
660 t->physical_memory_array_handle = cpu_to_le16(0x1000); /* Type 16 above */
661 t->memory_error_information_handle = cpu_to_le16(0xFFFE); /* Not provided */
662 t->total_width = cpu_to_le16(0xFFFF); /* Unknown */
663 t->data_width = cpu_to_le16(0xFFFF); /* Unknown */
664 size_mb = QEMU_ALIGN_UP(size, ONE_MB) / ONE_MB;
665 if (size_mb < MAX_T17_STD_SZ) {
666 t->size = cpu_to_le16(size_mb);
667 t->extended_size = cpu_to_le32(0);
668 } else {
669 assert(size_mb < MAX_T17_EXT_SZ);
670 t->size = cpu_to_le16(MAX_T17_STD_SZ);
671 t->extended_size = cpu_to_le32(size_mb);
672 }
673 t->form_factor = 0x09; /* DIMM */
674 t->device_set = 0; /* Not in a set */
675 snprintf(loc_str, sizeof(loc_str), "%s %d", type17.loc_pfx, instance);
676 SMBIOS_TABLE_SET_STR(17, device_locator_str, loc_str);
677 SMBIOS_TABLE_SET_STR(17, bank_locator_str, type17.bank);
678 t->memory_type = 0x07; /* RAM */
679 t->type_detail = cpu_to_le16(0x02); /* Other */
680 t->speed = cpu_to_le16(0); /* Unknown */
681 SMBIOS_TABLE_SET_STR(17, manufacturer_str, type17.manufacturer);
682 SMBIOS_TABLE_SET_STR(17, serial_number_str, type17.serial);
683 SMBIOS_TABLE_SET_STR(17, asset_tag_number_str, type17.asset);
684 SMBIOS_TABLE_SET_STR(17, part_number_str, type17.part);
685 t->attributes = 0; /* Unknown */
686 t->configured_clock_speed = cpu_to_le16(0); /* Unknown */
687 t->minimum_voltage = cpu_to_le16(0); /* Unknown */
688 t->maximum_voltage = cpu_to_le16(0); /* Unknown */
689 t->configured_voltage = cpu_to_le16(0); /* Unknown */
690
691 SMBIOS_BUILD_TABLE_POST;
692 }
693
694 static void smbios_build_type_19_table(unsigned instance,
695 ram_addr_t start, ram_addr_t size)
696 {
697 ram_addr_t end, start_kb, end_kb;
698
699 SMBIOS_BUILD_TABLE_PRE(19, 0x1300 + instance, true); /* required */
700
701 end = start + size - 1;
702 assert(end > start);
703 start_kb = start / ONE_KB;
704 end_kb = end / ONE_KB;
705 if (start_kb < UINT32_MAX && end_kb < UINT32_MAX) {
706 t->starting_address = cpu_to_le32(start_kb);
707 t->ending_address = cpu_to_le32(end_kb);
708 t->extended_starting_address =
709 t->extended_ending_address = cpu_to_le64(0);
710 } else {
711 t->starting_address = t->ending_address = cpu_to_le32(UINT32_MAX);
712 t->extended_starting_address = cpu_to_le64(start);
713 t->extended_ending_address = cpu_to_le64(end);
714 }
715 t->memory_array_handle = cpu_to_le16(0x1000); /* Type 16 above */
716 t->partition_width = 1; /* One device per row */
717
718 SMBIOS_BUILD_TABLE_POST;
719 }
720
721 static void smbios_build_type_32_table(void)
722 {
723 SMBIOS_BUILD_TABLE_PRE(32, 0x2000, true); /* required */
724
725 memset(t->reserved, 0, 6);
726 t->boot_status = 0; /* No errors detected */
727
728 SMBIOS_BUILD_TABLE_POST;
729 }
730
731 static void smbios_build_type_127_table(void)
732 {
733 SMBIOS_BUILD_TABLE_PRE(127, 0x7F00, true); /* required */
734 SMBIOS_BUILD_TABLE_POST;
735 }
736
737 void smbios_set_cpuid(uint32_t version, uint32_t features)
738 {
739 smbios_cpuid_version = version;
740 smbios_cpuid_features = features;
741 }
742
743 #define SMBIOS_SET_DEFAULT(field, value) \
744 if (!field) { \
745 field = value; \
746 }
747
748 void smbios_set_defaults(const char *manufacturer, const char *product,
749 const char *version, bool legacy_mode)
750 {
751 smbios_have_defaults = true;
752 smbios_legacy = legacy_mode;
753
754 /* drop unwanted version of command-line file blob(s) */
755 if (smbios_legacy) {
756 g_free(smbios_tables);
757 /* in legacy mode, also complain if fields were given for types > 1 */
758 if (find_next_bit(have_fields_bitmap,
759 SMBIOS_MAX_TYPE+1, 2) < SMBIOS_MAX_TYPE+1) {
760 error_report("can't process fields for smbios "
761 "types > 1 on machine versions < 2.1!");
762 exit(1);
763 }
764 } else {
765 g_free(smbios_entries);
766 }
767
768 SMBIOS_SET_DEFAULT(type1.manufacturer, manufacturer);
769 SMBIOS_SET_DEFAULT(type1.product, product);
770 SMBIOS_SET_DEFAULT(type1.version, version);
771 SMBIOS_SET_DEFAULT(type2.manufacturer, manufacturer);
772 SMBIOS_SET_DEFAULT(type2.product, product);
773 SMBIOS_SET_DEFAULT(type2.version, version);
774 SMBIOS_SET_DEFAULT(type3.manufacturer, manufacturer);
775 SMBIOS_SET_DEFAULT(type3.version, version);
776 SMBIOS_SET_DEFAULT(type4.sock_pfx, "CPU");
777 SMBIOS_SET_DEFAULT(type4.manufacturer, manufacturer);
778 SMBIOS_SET_DEFAULT(type4.version, version);
779 SMBIOS_SET_DEFAULT(type17.loc_pfx, "DIMM");
780 SMBIOS_SET_DEFAULT(type17.manufacturer, manufacturer);
781 }
782
783 static void smbios_entry_point_setup(void)
784 {
785 memcpy(ep.anchor_string, "_SM_", 4);
786 memcpy(ep.intermediate_anchor_string, "_DMI_", 5);
787 ep.length = sizeof(struct smbios_entry_point);
788 ep.entry_point_revision = 0; /* formatted_area reserved, per spec v2.1+ */
789 memset(ep.formatted_area, 0, 5);
790
791 /* compliant with smbios spec v2.8 */
792 ep.smbios_major_version = 2;
793 ep.smbios_minor_version = 8;
794 ep.smbios_bcd_revision = 0x28;
795
796 /* set during table construction, but BIOS may override: */
797 ep.structure_table_length = cpu_to_le16(smbios_tables_len);
798 ep.max_structure_size = cpu_to_le16(smbios_table_max);
799 ep.number_of_structures = cpu_to_le16(smbios_table_cnt);
800
801 /* BIOS must recalculate: */
802 ep.checksum = 0;
803 ep.intermediate_checksum = 0;
804 ep.structure_table_address = cpu_to_le32(0);
805 }
806
807 void smbios_get_tables(uint8_t **tables, size_t *tables_len,
808 uint8_t **anchor, size_t *anchor_len)
809 {
810 unsigned i, dimm_cnt, instance;
811
812 if (smbios_legacy) {
813 *tables = *anchor = NULL;
814 *tables_len = *anchor_len = 0;
815 return;
816 }
817
818 if (!smbios_immutable) {
819 smbios_build_type_0_table();
820 smbios_build_type_1_table();
821 smbios_build_type_2_table();
822 smbios_build_type_3_table();
823
824 smbios_smp_sockets = smp_cpus / (smp_cores * smp_threads);
825 assert(smbios_smp_sockets >= 1);
826
827 for (i = 0; i < smbios_smp_sockets; i++) {
828 smbios_build_type_4_table(i);
829 }
830
831 #define MAX_DIMM_SZ (16ll * ONE_GB)
832 #define GET_DIMM_SZ ((i < dimm_cnt - 1) ? MAX_DIMM_SZ : ram_size % MAX_DIMM_SZ)
833
834 dimm_cnt = QEMU_ALIGN_UP(ram_size, MAX_DIMM_SZ) / MAX_DIMM_SZ;
835
836 smbios_build_type_16_table(dimm_cnt);
837
838 for (i = 0; i < dimm_cnt; i++) {
839 smbios_build_type_17_table(i, GET_DIMM_SZ);
840 }
841
842 for (i = 0, instance = 0; i < e820_get_num_entries(); i++) {
843 uint64_t address, length;
844 if (e820_get_entry(i, E820_RAM, &address, &length)) {
845 smbios_build_type_19_table(instance++, address, length);
846 }
847 }
848
849 smbios_build_type_32_table();
850 smbios_build_type_127_table();
851
852 smbios_validate_table();
853 smbios_entry_point_setup();
854 smbios_immutable = true;
855 }
856
857 /* return tables blob and entry point (anchor), and their sizes */
858 *tables = smbios_tables;
859 *tables_len = smbios_tables_len;
860 *anchor = (uint8_t *)&ep;
861 *anchor_len = sizeof(struct smbios_entry_point);
862 }
863
864 static void save_opt(const char **dest, QemuOpts *opts, const char *name)
865 {
866 const char *val = qemu_opt_get(opts, name);
867
868 if (val) {
869 *dest = val;
870 }
871 }
872
873 void smbios_entry_add(QemuOpts *opts)
874 {
875 Error *local_err = NULL;
876 const char *val;
877
878 assert(!smbios_immutable);
879
880 val = qemu_opt_get(opts, "file");
881 if (val) {
882 struct smbios_structure_header *header;
883 int size;
884 struct smbios_table *table; /* legacy mode only */
885
886 qemu_opts_validate(opts, qemu_smbios_file_opts, &local_err);
887 if (local_err) {
888 error_report("%s", error_get_pretty(local_err));
889 exit(1);
890 }
891
892 size = get_image_size(val);
893 if (size == -1 || size < sizeof(struct smbios_structure_header)) {
894 error_report("Cannot read SMBIOS file %s", val);
895 exit(1);
896 }
897
898 /*
899 * NOTE: standard double '\0' terminator expected, per smbios spec.
900 * (except in legacy mode, where the second '\0' is implicit and
901 * will be inserted by the BIOS).
902 */
903 smbios_tables = g_realloc(smbios_tables, smbios_tables_len + size);
904 header = (struct smbios_structure_header *)(smbios_tables +
905 smbios_tables_len);
906
907 if (load_image(val, (uint8_t *)header) != size) {
908 error_report("Failed to load SMBIOS file %s", val);
909 exit(1);
910 }
911
912 if (test_bit(header->type, have_fields_bitmap)) {
913 error_report("can't load type %d struct, fields already specified!",
914 header->type);
915 exit(1);
916 }
917 set_bit(header->type, have_binfile_bitmap);
918
919 if (header->type == 4) {
920 smbios_type4_count++;
921 }
922
923 smbios_tables_len += size;
924 if (size > smbios_table_max) {
925 smbios_table_max = size;
926 }
927 smbios_table_cnt++;
928
929 /* add a copy of the newly loaded blob to legacy smbios_entries */
930 /* NOTE: This code runs before smbios_set_defaults(), so we don't
931 * yet know which mode (legacy vs. aggregate-table) will be
932 * required. We therefore add the binary blob to both legacy
933 * (smbios_entries) and aggregate (smbios_tables) tables, and
934 * delete the one we don't need from smbios_set_defaults(),
935 * once we know which machine version has been requested.
936 */
937 if (!smbios_entries) {
938 smbios_entries_len = sizeof(uint16_t);
939 smbios_entries = g_malloc0(smbios_entries_len);
940 }
941 smbios_entries = g_realloc(smbios_entries, smbios_entries_len +
942 size + sizeof(*table));
943 table = (struct smbios_table *)(smbios_entries + smbios_entries_len);
944 table->header.type = SMBIOS_TABLE_ENTRY;
945 table->header.length = cpu_to_le16(sizeof(*table) + size);
946 memcpy(table->data, header, size);
947 smbios_entries_len += sizeof(*table) + size;
948 (*(uint16_t *)smbios_entries) =
949 cpu_to_le16(le16_to_cpu(*(uint16_t *)smbios_entries) + 1);
950 /* end: add a copy of the newly loaded blob to legacy smbios_entries */
951
952 return;
953 }
954
955 val = qemu_opt_get(opts, "type");
956 if (val) {
957 unsigned long type = strtoul(val, NULL, 0);
958
959 if (type > SMBIOS_MAX_TYPE) {
960 error_report("out of range!");
961 exit(1);
962 }
963
964 if (test_bit(type, have_binfile_bitmap)) {
965 error_report("can't add fields, binary file already loaded!");
966 exit(1);
967 }
968 set_bit(type, have_fields_bitmap);
969
970 switch (type) {
971 case 0:
972 qemu_opts_validate(opts, qemu_smbios_type0_opts, &local_err);
973 if (local_err) {
974 error_report("%s", error_get_pretty(local_err));
975 exit(1);
976 }
977 save_opt(&type0.vendor, opts, "vendor");
978 save_opt(&type0.version, opts, "version");
979 save_opt(&type0.date, opts, "date");
980 type0.uefi = qemu_opt_get_bool(opts, "uefi", false);
981
982 val = qemu_opt_get(opts, "release");
983 if (val) {
984 if (sscanf(val, "%hhu.%hhu", &type0.major, &type0.minor) != 2) {
985 error_report("Invalid release");
986 exit(1);
987 }
988 type0.have_major_minor = true;
989 }
990 return;
991 case 1:
992 qemu_opts_validate(opts, qemu_smbios_type1_opts, &local_err);
993 if (local_err) {
994 error_report("%s", error_get_pretty(local_err));
995 exit(1);
996 }
997 save_opt(&type1.manufacturer, opts, "manufacturer");
998 save_opt(&type1.product, opts, "product");
999 save_opt(&type1.version, opts, "version");
1000 save_opt(&type1.serial, opts, "serial");
1001 save_opt(&type1.sku, opts, "sku");
1002 save_opt(&type1.family, opts, "family");
1003
1004 val = qemu_opt_get(opts, "uuid");
1005 if (val) {
1006 if (qemu_uuid_parse(val, qemu_uuid) != 0) {
1007 error_report("Invalid UUID");
1008 exit(1);
1009 }
1010 qemu_uuid_set = true;
1011 }
1012 return;
1013 case 2:
1014 qemu_opts_validate(opts, qemu_smbios_type2_opts, &local_err);
1015 if (local_err) {
1016 error_report("%s", error_get_pretty(local_err));
1017 exit(1);
1018 }
1019 save_opt(&type2.manufacturer, opts, "manufacturer");
1020 save_opt(&type2.product, opts, "product");
1021 save_opt(&type2.version, opts, "version");
1022 save_opt(&type2.serial, opts, "serial");
1023 save_opt(&type2.asset, opts, "asset");
1024 save_opt(&type2.location, opts, "location");
1025 return;
1026 case 3:
1027 qemu_opts_validate(opts, qemu_smbios_type3_opts, &local_err);
1028 if (local_err) {
1029 error_report("%s", error_get_pretty(local_err));
1030 exit(1);
1031 }
1032 save_opt(&type3.manufacturer, opts, "manufacturer");
1033 save_opt(&type3.version, opts, "version");
1034 save_opt(&type3.serial, opts, "serial");
1035 save_opt(&type3.asset, opts, "asset");
1036 save_opt(&type3.sku, opts, "sku");
1037 return;
1038 case 4:
1039 qemu_opts_validate(opts, qemu_smbios_type4_opts, &local_err);
1040 if (local_err) {
1041 error_report("%s", error_get_pretty(local_err));
1042 exit(1);
1043 }
1044 save_opt(&type4.sock_pfx, opts, "sock_pfx");
1045 save_opt(&type4.manufacturer, opts, "manufacturer");
1046 save_opt(&type4.version, opts, "version");
1047 save_opt(&type4.serial, opts, "serial");
1048 save_opt(&type4.asset, opts, "asset");
1049 save_opt(&type4.part, opts, "part");
1050 return;
1051 case 17:
1052 qemu_opts_validate(opts, qemu_smbios_type17_opts, &local_err);
1053 if (local_err) {
1054 error_report("%s", error_get_pretty(local_err));
1055 exit(1);
1056 }
1057 save_opt(&type17.loc_pfx, opts, "loc_pfx");
1058 save_opt(&type17.bank, opts, "bank");
1059 save_opt(&type17.manufacturer, opts, "manufacturer");
1060 save_opt(&type17.serial, opts, "serial");
1061 save_opt(&type17.asset, opts, "asset");
1062 save_opt(&type17.part, opts, "part");
1063 return;
1064 default:
1065 error_report("Don't know how to build fields for SMBIOS type %ld",
1066 type);
1067 exit(1);
1068 }
1069 }
1070
1071 error_report("Must specify type= or file=");
1072 exit(1);
1073 }
Ray Wang's QEMU Repository