4 * Copyright (C) 2009 Hewlett-Packard Development Company, L.P.
5 * Copyright (C) 2013 Red Hat, Inc.
8 * Alex Williamson <alex.williamson@hp.com>
9 * Markus Armbruster <armbru@redhat.com>
11 * This work is licensed under the terms of the GNU GPL, version 2. See
12 * the COPYING file in the top-level directory.
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.
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"
27 /* legacy structures and constants for <= 2.0 machines */
28 struct smbios_header
{
34 struct smbios_header header
;
41 struct smbios_header header
;
45 #define SMBIOS_FIELD_ENTRY 0
46 #define SMBIOS_TABLE_ENTRY 1
48 static uint8_t *smbios_entries
;
49 static size_t smbios_entries_len
;
50 static bool smbios_legacy
= true;
51 static bool smbios_uuid_encoded
= true;
52 /* end: legacy structures & constants for <= 2.0 machines */
55 static uint8_t *smbios_tables
;
56 static size_t smbios_tables_len
;
57 static unsigned smbios_table_max
;
58 static unsigned smbios_table_cnt
;
59 static struct smbios_entry_point ep
;
61 static int smbios_type4_count
= 0;
62 static bool smbios_immutable
;
63 static bool smbios_have_defaults
;
64 static uint32_t smbios_cpuid_version
, smbios_cpuid_features
, smbios_smp_sockets
;
66 static DECLARE_BITMAP(have_binfile_bitmap
, SMBIOS_MAX_TYPE
+1);
67 static DECLARE_BITMAP(have_fields_bitmap
, SMBIOS_MAX_TYPE
+1);
70 const char *vendor
, *version
, *date
;
71 bool have_major_minor
, uefi
;
76 const char *manufacturer
, *product
, *version
, *serial
, *sku
, *family
;
77 /* uuid is in qemu_uuid[] */
81 const char *manufacturer
, *product
, *version
, *serial
, *asset
, *location
;
85 const char *manufacturer
, *version
, *serial
, *asset
, *sku
;
89 const char *sock_pfx
, *manufacturer
, *version
, *serial
, *asset
, *part
;
93 const char *loc_pfx
, *bank
, *manufacturer
, *serial
, *asset
, *part
;
97 static QemuOptsList qemu_smbios_opts
= {
99 .head
= QTAILQ_HEAD_INITIALIZER(qemu_smbios_opts
.head
),
102 * no elements => accept any params
103 * validation will happen later
105 { /* end of list */ }
109 static const QemuOptDesc qemu_smbios_file_opts
[] = {
112 .type
= QEMU_OPT_STRING
,
113 .help
= "binary file containing an SMBIOS element",
115 { /* end of list */ }
118 static const QemuOptDesc qemu_smbios_type0_opts
[] = {
121 .type
= QEMU_OPT_NUMBER
,
122 .help
= "SMBIOS element type",
125 .type
= QEMU_OPT_STRING
,
126 .help
= "vendor name",
129 .type
= QEMU_OPT_STRING
,
130 .help
= "version number",
133 .type
= QEMU_OPT_STRING
,
134 .help
= "release date",
137 .type
= QEMU_OPT_STRING
,
138 .help
= "revision number",
141 .type
= QEMU_OPT_BOOL
,
142 .help
= "uefi support",
144 { /* end of list */ }
147 static const QemuOptDesc qemu_smbios_type1_opts
[] = {
150 .type
= QEMU_OPT_NUMBER
,
151 .help
= "SMBIOS element type",
153 .name
= "manufacturer",
154 .type
= QEMU_OPT_STRING
,
155 .help
= "manufacturer name",
158 .type
= QEMU_OPT_STRING
,
159 .help
= "product name",
162 .type
= QEMU_OPT_STRING
,
163 .help
= "version number",
166 .type
= QEMU_OPT_STRING
,
167 .help
= "serial number",
170 .type
= QEMU_OPT_STRING
,
174 .type
= QEMU_OPT_STRING
,
175 .help
= "SKU number",
178 .type
= QEMU_OPT_STRING
,
179 .help
= "family name",
181 { /* end of list */ }
184 static const QemuOptDesc qemu_smbios_type2_opts
[] = {
187 .type
= QEMU_OPT_NUMBER
,
188 .help
= "SMBIOS element type",
190 .name
= "manufacturer",
191 .type
= QEMU_OPT_STRING
,
192 .help
= "manufacturer name",
195 .type
= QEMU_OPT_STRING
,
196 .help
= "product name",
199 .type
= QEMU_OPT_STRING
,
200 .help
= "version number",
203 .type
= QEMU_OPT_STRING
,
204 .help
= "serial number",
207 .type
= QEMU_OPT_STRING
,
208 .help
= "asset tag number",
211 .type
= QEMU_OPT_STRING
,
212 .help
= "location in chassis",
214 { /* end of list */ }
217 static const QemuOptDesc qemu_smbios_type3_opts
[] = {
220 .type
= QEMU_OPT_NUMBER
,
221 .help
= "SMBIOS element type",
223 .name
= "manufacturer",
224 .type
= QEMU_OPT_STRING
,
225 .help
= "manufacturer name",
228 .type
= QEMU_OPT_STRING
,
229 .help
= "version number",
232 .type
= QEMU_OPT_STRING
,
233 .help
= "serial number",
236 .type
= QEMU_OPT_STRING
,
237 .help
= "asset tag number",
240 .type
= QEMU_OPT_STRING
,
241 .help
= "SKU number",
243 { /* end of list */ }
246 static const QemuOptDesc qemu_smbios_type4_opts
[] = {
249 .type
= QEMU_OPT_NUMBER
,
250 .help
= "SMBIOS element type",
253 .type
= QEMU_OPT_STRING
,
254 .help
= "socket designation string prefix",
256 .name
= "manufacturer",
257 .type
= QEMU_OPT_STRING
,
258 .help
= "manufacturer name",
261 .type
= QEMU_OPT_STRING
,
262 .help
= "version number",
265 .type
= QEMU_OPT_STRING
,
266 .help
= "serial number",
269 .type
= QEMU_OPT_STRING
,
270 .help
= "asset tag number",
273 .type
= QEMU_OPT_STRING
,
274 .help
= "part number",
276 { /* end of list */ }
279 static const QemuOptDesc qemu_smbios_type17_opts
[] = {
282 .type
= QEMU_OPT_NUMBER
,
283 .help
= "SMBIOS element type",
286 .type
= QEMU_OPT_STRING
,
287 .help
= "device locator string prefix",
290 .type
= QEMU_OPT_STRING
,
291 .help
= "bank locator string",
293 .name
= "manufacturer",
294 .type
= QEMU_OPT_STRING
,
295 .help
= "manufacturer name",
298 .type
= QEMU_OPT_STRING
,
299 .help
= "serial number",
302 .type
= QEMU_OPT_STRING
,
303 .help
= "asset tag number",
306 .type
= QEMU_OPT_STRING
,
307 .help
= "part number",
310 .type
= QEMU_OPT_NUMBER
,
311 .help
= "maximum capable speed",
313 { /* end of list */ }
316 static void smbios_register_config(void)
318 qemu_add_opts(&qemu_smbios_opts
);
321 machine_init(smbios_register_config
);
323 static void smbios_validate_table(void)
325 uint32_t expect_t4_count
= smbios_legacy
? smp_cpus
: smbios_smp_sockets
;
327 if (smbios_type4_count
&& smbios_type4_count
!= expect_t4_count
) {
328 error_report("Expected %d SMBIOS Type 4 tables, got %d instead",
329 expect_t4_count
, smbios_type4_count
);
335 /* legacy setup functions for <= 2.0 machines */
336 static void smbios_add_field(int type
, int offset
, const void *data
, size_t len
)
338 struct smbios_field
*field
;
340 if (!smbios_entries
) {
341 smbios_entries_len
= sizeof(uint16_t);
342 smbios_entries
= g_malloc0(smbios_entries_len
);
344 smbios_entries
= g_realloc(smbios_entries
, smbios_entries_len
+
345 sizeof(*field
) + len
);
346 field
= (struct smbios_field
*)(smbios_entries
+ smbios_entries_len
);
347 field
->header
.type
= SMBIOS_FIELD_ENTRY
;
348 field
->header
.length
= cpu_to_le16(sizeof(*field
) + len
);
351 field
->offset
= cpu_to_le16(offset
);
352 memcpy(field
->data
, data
, len
);
354 smbios_entries_len
+= sizeof(*field
) + len
;
355 (*(uint16_t *)smbios_entries
) =
356 cpu_to_le16(le16_to_cpu(*(uint16_t *)smbios_entries
) + 1);
359 static void smbios_maybe_add_str(int type
, int offset
, const char *data
)
362 smbios_add_field(type
, offset
, data
, strlen(data
) + 1);
366 static void smbios_build_type_0_fields(void)
368 smbios_maybe_add_str(0, offsetof(struct smbios_type_0
, vendor_str
),
370 smbios_maybe_add_str(0, offsetof(struct smbios_type_0
, bios_version_str
),
372 smbios_maybe_add_str(0, offsetof(struct smbios_type_0
,
373 bios_release_date_str
),
375 if (type0
.have_major_minor
) {
376 smbios_add_field(0, offsetof(struct smbios_type_0
,
377 system_bios_major_release
),
379 smbios_add_field(0, offsetof(struct smbios_type_0
,
380 system_bios_minor_release
),
385 static void smbios_build_type_1_fields(void)
387 smbios_maybe_add_str(1, offsetof(struct smbios_type_1
, manufacturer_str
),
389 smbios_maybe_add_str(1, offsetof(struct smbios_type_1
, product_name_str
),
391 smbios_maybe_add_str(1, offsetof(struct smbios_type_1
, version_str
),
393 smbios_maybe_add_str(1, offsetof(struct smbios_type_1
, serial_number_str
),
395 smbios_maybe_add_str(1, offsetof(struct smbios_type_1
, sku_number_str
),
397 smbios_maybe_add_str(1, offsetof(struct smbios_type_1
, family_str
),
400 /* We don't encode the UUID in the "wire format" here because this
401 * function is for legacy mode and needs to keep the guest ABI, and
402 * because we don't know what's the SMBIOS version advertised by the
405 smbios_add_field(1, offsetof(struct smbios_type_1
, uuid
),
410 uint8_t *smbios_get_table_legacy(size_t *length
)
412 if (!smbios_legacy
) {
417 if (!smbios_immutable
) {
418 smbios_build_type_0_fields();
419 smbios_build_type_1_fields();
420 smbios_validate_table();
421 smbios_immutable
= true;
423 *length
= smbios_entries_len
;
424 return smbios_entries
;
426 /* end: legacy setup functions for <= 2.0 machines */
429 static bool smbios_skip_table(uint8_t type
, bool required_table
)
431 if (test_bit(type
, have_binfile_bitmap
)) {
432 return true; /* user provided their own binary blob(s) */
434 if (test_bit(type
, have_fields_bitmap
)) {
435 return false; /* user provided fields via command line */
437 if (smbios_have_defaults
&& required_table
) {
438 return false; /* we're building tables, and this one's required */
443 #define SMBIOS_BUILD_TABLE_PRE(tbl_type, tbl_handle, tbl_required) \
444 struct smbios_type_##tbl_type *t; \
445 size_t t_off; /* table offset into smbios_tables */ \
448 /* should we skip building this table ? */ \
449 if (smbios_skip_table(tbl_type, tbl_required)) { \
453 /* use offset of table t within smbios_tables */ \
454 /* (pointer must be updated after each realloc) */ \
455 t_off = smbios_tables_len; \
456 smbios_tables_len += sizeof(*t); \
457 smbios_tables = g_realloc(smbios_tables, smbios_tables_len); \
458 t = (struct smbios_type_##tbl_type *)(smbios_tables + t_off); \
460 t->header.type = tbl_type; \
461 t->header.length = sizeof(*t); \
462 t->header.handle = cpu_to_le16(tbl_handle); \
465 #define SMBIOS_TABLE_SET_STR(tbl_type, field, value) \
467 int len = (value != NULL) ? strlen(value) + 1 : 0; \
469 smbios_tables = g_realloc(smbios_tables, \
470 smbios_tables_len + len); \
471 memcpy(smbios_tables + smbios_tables_len, value, len); \
472 smbios_tables_len += len; \
473 /* update pointer post-realloc */ \
474 t = (struct smbios_type_##tbl_type *)(smbios_tables + t_off); \
475 t->field = ++str_index; \
481 #define SMBIOS_BUILD_TABLE_POST \
483 size_t term_cnt, t_size; \
485 /* add '\0' terminator (add two if no strings defined) */ \
486 term_cnt = (str_index == 0) ? 2 : 1; \
487 smbios_tables = g_realloc(smbios_tables, \
488 smbios_tables_len + term_cnt); \
489 memset(smbios_tables + smbios_tables_len, 0, term_cnt); \
490 smbios_tables_len += term_cnt; \
492 /* update smbios max. element size */ \
493 t_size = smbios_tables_len - t_off; \
494 if (t_size > smbios_table_max) { \
495 smbios_table_max = t_size; \
498 /* update smbios element count */ \
499 smbios_table_cnt++; \
502 static void smbios_build_type_0_table(void)
504 SMBIOS_BUILD_TABLE_PRE(0, 0x000, false); /* optional, leave up to BIOS */
506 SMBIOS_TABLE_SET_STR(0, vendor_str
, type0
.vendor
);
507 SMBIOS_TABLE_SET_STR(0, bios_version_str
, type0
.version
);
509 t
->bios_starting_address_segment
= cpu_to_le16(0xE800); /* from SeaBIOS */
511 SMBIOS_TABLE_SET_STR(0, bios_release_date_str
, type0
.date
);
513 t
->bios_rom_size
= 0; /* hardcoded in SeaBIOS with FIXME comment */
515 t
->bios_characteristics
= cpu_to_le64(0x08); /* Not supported */
516 t
->bios_characteristics_extension_bytes
[0] = 0;
517 t
->bios_characteristics_extension_bytes
[1] = 0x14; /* TCD/SVVP | VM */
519 t
->bios_characteristics_extension_bytes
[1] |= 0x08; /* |= UEFI */
522 if (type0
.have_major_minor
) {
523 t
->system_bios_major_release
= type0
.major
;
524 t
->system_bios_minor_release
= type0
.minor
;
526 t
->system_bios_major_release
= 0;
527 t
->system_bios_minor_release
= 0;
530 /* hardcoded in SeaBIOS */
531 t
->embedded_controller_major_release
= 0xFF;
532 t
->embedded_controller_minor_release
= 0xFF;
534 SMBIOS_BUILD_TABLE_POST
;
537 /* Encode UUID from the big endian encoding described on RFC4122 to the wire
538 * format specified by SMBIOS version 2.6.
540 static void smbios_encode_uuid(struct smbios_uuid
*uuid
, const uint8_t *buf
)
542 memcpy(uuid
, buf
, 16);
543 if (smbios_uuid_encoded
) {
544 uuid
->time_low
= bswap32(uuid
->time_low
);
545 uuid
->time_mid
= bswap16(uuid
->time_mid
);
546 uuid
->time_hi_and_version
= bswap16(uuid
->time_hi_and_version
);
550 static void smbios_build_type_1_table(void)
552 SMBIOS_BUILD_TABLE_PRE(1, 0x100, true); /* required */
554 SMBIOS_TABLE_SET_STR(1, manufacturer_str
, type1
.manufacturer
);
555 SMBIOS_TABLE_SET_STR(1, product_name_str
, type1
.product
);
556 SMBIOS_TABLE_SET_STR(1, version_str
, type1
.version
);
557 SMBIOS_TABLE_SET_STR(1, serial_number_str
, type1
.serial
);
559 smbios_encode_uuid(&t
->uuid
, qemu_uuid
);
561 memset(&t
->uuid
, 0, 16);
563 t
->wake_up_type
= 0x06; /* power switch */
564 SMBIOS_TABLE_SET_STR(1, sku_number_str
, type1
.sku
);
565 SMBIOS_TABLE_SET_STR(1, family_str
, type1
.family
);
567 SMBIOS_BUILD_TABLE_POST
;
570 static void smbios_build_type_2_table(void)
572 SMBIOS_BUILD_TABLE_PRE(2, 0x200, false); /* optional */
574 SMBIOS_TABLE_SET_STR(2, manufacturer_str
, type2
.manufacturer
);
575 SMBIOS_TABLE_SET_STR(2, product_str
, type2
.product
);
576 SMBIOS_TABLE_SET_STR(2, version_str
, type2
.version
);
577 SMBIOS_TABLE_SET_STR(2, serial_number_str
, type2
.serial
);
578 SMBIOS_TABLE_SET_STR(2, asset_tag_number_str
, type2
.asset
);
579 t
->feature_flags
= 0x01; /* Motherboard */
580 SMBIOS_TABLE_SET_STR(2, location_str
, type2
.location
);
581 t
->chassis_handle
= cpu_to_le16(0x300); /* Type 3 (System enclosure) */
582 t
->board_type
= 0x0A; /* Motherboard */
583 t
->contained_element_count
= 0;
585 SMBIOS_BUILD_TABLE_POST
;
588 static void smbios_build_type_3_table(void)
590 SMBIOS_BUILD_TABLE_PRE(3, 0x300, true); /* required */
592 SMBIOS_TABLE_SET_STR(3, manufacturer_str
, type3
.manufacturer
);
593 t
->type
= 0x01; /* Other */
594 SMBIOS_TABLE_SET_STR(3, version_str
, type3
.version
);
595 SMBIOS_TABLE_SET_STR(3, serial_number_str
, type3
.serial
);
596 SMBIOS_TABLE_SET_STR(3, asset_tag_number_str
, type3
.asset
);
597 t
->boot_up_state
= 0x03; /* Safe */
598 t
->power_supply_state
= 0x03; /* Safe */
599 t
->thermal_state
= 0x03; /* Safe */
600 t
->security_status
= 0x02; /* Unknown */
601 t
->oem_defined
= cpu_to_le32(0);
603 t
->number_of_power_cords
= 0;
604 t
->contained_element_count
= 0;
605 SMBIOS_TABLE_SET_STR(3, sku_number_str
, type3
.sku
);
607 SMBIOS_BUILD_TABLE_POST
;
610 static void smbios_build_type_4_table(unsigned instance
)
614 SMBIOS_BUILD_TABLE_PRE(4, 0x400 + instance
, true); /* required */
616 snprintf(sock_str
, sizeof(sock_str
), "%s%2x", type4
.sock_pfx
, instance
);
617 SMBIOS_TABLE_SET_STR(4, socket_designation_str
, sock_str
);
618 t
->processor_type
= 0x03; /* CPU */
619 t
->processor_family
= 0x01; /* Other */
620 SMBIOS_TABLE_SET_STR(4, processor_manufacturer_str
, type4
.manufacturer
);
621 t
->processor_id
[0] = cpu_to_le32(smbios_cpuid_version
);
622 t
->processor_id
[1] = cpu_to_le32(smbios_cpuid_features
);
623 SMBIOS_TABLE_SET_STR(4, processor_version_str
, type4
.version
);
625 t
->external_clock
= cpu_to_le16(0); /* Unknown */
626 /* SVVP requires max_speed and current_speed to not be unknown. */
627 t
->max_speed
= cpu_to_le16(2000); /* 2000 MHz */
628 t
->current_speed
= cpu_to_le16(2000); /* 2000 MHz */
629 t
->status
= 0x41; /* Socket populated, CPU enabled */
630 t
->processor_upgrade
= 0x01; /* Other */
631 t
->l1_cache_handle
= cpu_to_le16(0xFFFF); /* N/A */
632 t
->l2_cache_handle
= cpu_to_le16(0xFFFF); /* N/A */
633 t
->l3_cache_handle
= cpu_to_le16(0xFFFF); /* N/A */
634 SMBIOS_TABLE_SET_STR(4, serial_number_str
, type4
.serial
);
635 SMBIOS_TABLE_SET_STR(4, asset_tag_number_str
, type4
.asset
);
636 SMBIOS_TABLE_SET_STR(4, part_number_str
, type4
.part
);
637 t
->core_count
= t
->core_enabled
= smp_cores
;
638 t
->thread_count
= smp_threads
;
639 t
->processor_characteristics
= cpu_to_le16(0x02); /* Unknown */
640 t
->processor_family2
= cpu_to_le16(0x01); /* Other */
642 SMBIOS_BUILD_TABLE_POST
;
643 smbios_type4_count
++;
646 #define ONE_KB ((ram_addr_t)1 << 10)
647 #define ONE_MB ((ram_addr_t)1 << 20)
648 #define ONE_GB ((ram_addr_t)1 << 30)
650 #define MAX_T16_STD_SZ 0x80000000 /* 2T in Kilobytes */
652 static void smbios_build_type_16_table(unsigned dimm_cnt
)
656 SMBIOS_BUILD_TABLE_PRE(16, 0x1000, true); /* required */
658 t
->location
= 0x01; /* Other */
659 t
->use
= 0x03; /* System memory */
660 t
->error_correction
= 0x06; /* Multi-bit ECC (for Microsoft, per SeaBIOS) */
661 size_kb
= QEMU_ALIGN_UP(ram_size
, ONE_KB
) / ONE_KB
;
662 if (size_kb
< MAX_T16_STD_SZ
) {
663 t
->maximum_capacity
= cpu_to_le32(size_kb
);
664 t
->extended_maximum_capacity
= cpu_to_le64(0);
666 t
->maximum_capacity
= cpu_to_le32(MAX_T16_STD_SZ
);
667 t
->extended_maximum_capacity
= cpu_to_le64(ram_size
);
669 t
->memory_error_information_handle
= cpu_to_le16(0xFFFE); /* Not provided */
670 t
->number_of_memory_devices
= cpu_to_le16(dimm_cnt
);
672 SMBIOS_BUILD_TABLE_POST
;
675 #define MAX_T17_STD_SZ 0x7FFF /* (32G - 1M), in Megabytes */
676 #define MAX_T17_EXT_SZ 0x80000000 /* 2P, in Megabytes */
678 static void smbios_build_type_17_table(unsigned instance
, uint64_t size
)
683 SMBIOS_BUILD_TABLE_PRE(17, 0x1100 + instance
, true); /* required */
685 t
->physical_memory_array_handle
= cpu_to_le16(0x1000); /* Type 16 above */
686 t
->memory_error_information_handle
= cpu_to_le16(0xFFFE); /* Not provided */
687 t
->total_width
= cpu_to_le16(0xFFFF); /* Unknown */
688 t
->data_width
= cpu_to_le16(0xFFFF); /* Unknown */
689 size_mb
= QEMU_ALIGN_UP(size
, ONE_MB
) / ONE_MB
;
690 if (size_mb
< MAX_T17_STD_SZ
) {
691 t
->size
= cpu_to_le16(size_mb
);
692 t
->extended_size
= cpu_to_le32(0);
694 assert(size_mb
< MAX_T17_EXT_SZ
);
695 t
->size
= cpu_to_le16(MAX_T17_STD_SZ
);
696 t
->extended_size
= cpu_to_le32(size_mb
);
698 t
->form_factor
= 0x09; /* DIMM */
699 t
->device_set
= 0; /* Not in a set */
700 snprintf(loc_str
, sizeof(loc_str
), "%s %d", type17
.loc_pfx
, instance
);
701 SMBIOS_TABLE_SET_STR(17, device_locator_str
, loc_str
);
702 SMBIOS_TABLE_SET_STR(17, bank_locator_str
, type17
.bank
);
703 t
->memory_type
= 0x07; /* RAM */
704 t
->type_detail
= cpu_to_le16(0x02); /* Other */
705 t
->speed
= cpu_to_le16(type17
.speed
);
706 SMBIOS_TABLE_SET_STR(17, manufacturer_str
, type17
.manufacturer
);
707 SMBIOS_TABLE_SET_STR(17, serial_number_str
, type17
.serial
);
708 SMBIOS_TABLE_SET_STR(17, asset_tag_number_str
, type17
.asset
);
709 SMBIOS_TABLE_SET_STR(17, part_number_str
, type17
.part
);
710 t
->attributes
= 0; /* Unknown */
711 t
->configured_clock_speed
= t
->speed
; /* reuse value for max speed */
712 t
->minimum_voltage
= cpu_to_le16(0); /* Unknown */
713 t
->maximum_voltage
= cpu_to_le16(0); /* Unknown */
714 t
->configured_voltage
= cpu_to_le16(0); /* Unknown */
716 SMBIOS_BUILD_TABLE_POST
;
719 static void smbios_build_type_19_table(unsigned instance
,
720 uint64_t start
, uint64_t size
)
722 uint64_t end
, start_kb
, end_kb
;
724 SMBIOS_BUILD_TABLE_PRE(19, 0x1300 + instance
, true); /* required */
726 end
= start
+ size
- 1;
728 start_kb
= start
/ ONE_KB
;
729 end_kb
= end
/ ONE_KB
;
730 if (start_kb
< UINT32_MAX
&& end_kb
< UINT32_MAX
) {
731 t
->starting_address
= cpu_to_le32(start_kb
);
732 t
->ending_address
= cpu_to_le32(end_kb
);
733 t
->extended_starting_address
=
734 t
->extended_ending_address
= cpu_to_le64(0);
736 t
->starting_address
= t
->ending_address
= cpu_to_le32(UINT32_MAX
);
737 t
->extended_starting_address
= cpu_to_le64(start
);
738 t
->extended_ending_address
= cpu_to_le64(end
);
740 t
->memory_array_handle
= cpu_to_le16(0x1000); /* Type 16 above */
741 t
->partition_width
= 1; /* One device per row */
743 SMBIOS_BUILD_TABLE_POST
;
746 static void smbios_build_type_32_table(void)
748 SMBIOS_BUILD_TABLE_PRE(32, 0x2000, true); /* required */
750 memset(t
->reserved
, 0, 6);
751 t
->boot_status
= 0; /* No errors detected */
753 SMBIOS_BUILD_TABLE_POST
;
756 static void smbios_build_type_127_table(void)
758 SMBIOS_BUILD_TABLE_PRE(127, 0x7F00, true); /* required */
759 SMBIOS_BUILD_TABLE_POST
;
762 void smbios_set_cpuid(uint32_t version
, uint32_t features
)
764 smbios_cpuid_version
= version
;
765 smbios_cpuid_features
= features
;
768 #define SMBIOS_SET_DEFAULT(field, value) \
773 void smbios_set_defaults(const char *manufacturer
, const char *product
,
774 const char *version
, bool legacy_mode
,
777 smbios_have_defaults
= true;
778 smbios_legacy
= legacy_mode
;
779 smbios_uuid_encoded
= uuid_encoded
;
781 /* drop unwanted version of command-line file blob(s) */
783 g_free(smbios_tables
);
784 /* in legacy mode, also complain if fields were given for types > 1 */
785 if (find_next_bit(have_fields_bitmap
,
786 SMBIOS_MAX_TYPE
+1, 2) < SMBIOS_MAX_TYPE
+1) {
787 error_report("can't process fields for smbios "
788 "types > 1 on machine versions < 2.1!");
792 g_free(smbios_entries
);
795 SMBIOS_SET_DEFAULT(type1
.manufacturer
, manufacturer
);
796 SMBIOS_SET_DEFAULT(type1
.product
, product
);
797 SMBIOS_SET_DEFAULT(type1
.version
, version
);
798 SMBIOS_SET_DEFAULT(type2
.manufacturer
, manufacturer
);
799 SMBIOS_SET_DEFAULT(type2
.product
, product
);
800 SMBIOS_SET_DEFAULT(type2
.version
, version
);
801 SMBIOS_SET_DEFAULT(type3
.manufacturer
, manufacturer
);
802 SMBIOS_SET_DEFAULT(type3
.version
, version
);
803 SMBIOS_SET_DEFAULT(type4
.sock_pfx
, "CPU");
804 SMBIOS_SET_DEFAULT(type4
.manufacturer
, manufacturer
);
805 SMBIOS_SET_DEFAULT(type4
.version
, version
);
806 SMBIOS_SET_DEFAULT(type17
.loc_pfx
, "DIMM");
807 SMBIOS_SET_DEFAULT(type17
.manufacturer
, manufacturer
);
810 static void smbios_entry_point_setup(void)
812 memcpy(ep
.anchor_string
, "_SM_", 4);
813 memcpy(ep
.intermediate_anchor_string
, "_DMI_", 5);
814 ep
.length
= sizeof(struct smbios_entry_point
);
815 ep
.entry_point_revision
= 0; /* formatted_area reserved, per spec v2.1+ */
816 memset(ep
.formatted_area
, 0, 5);
818 /* compliant with smbios spec v2.8 */
819 ep
.smbios_major_version
= 2;
820 ep
.smbios_minor_version
= 8;
821 ep
.smbios_bcd_revision
= 0x28;
823 /* set during table construction, but BIOS may override: */
824 ep
.structure_table_length
= cpu_to_le16(smbios_tables_len
);
825 ep
.max_structure_size
= cpu_to_le16(smbios_table_max
);
826 ep
.number_of_structures
= cpu_to_le16(smbios_table_cnt
);
828 /* BIOS must recalculate: */
830 ep
.intermediate_checksum
= 0;
831 ep
.structure_table_address
= cpu_to_le32(0);
834 void smbios_get_tables(uint8_t **tables
, size_t *tables_len
,
835 uint8_t **anchor
, size_t *anchor_len
)
837 unsigned i
, dimm_cnt
, instance
;
840 *tables
= *anchor
= NULL
;
841 *tables_len
= *anchor_len
= 0;
845 if (!smbios_immutable
) {
846 smbios_build_type_0_table();
847 smbios_build_type_1_table();
848 smbios_build_type_2_table();
849 smbios_build_type_3_table();
851 smbios_smp_sockets
= DIV_ROUND_UP(smp_cpus
, smp_cores
* smp_threads
);
852 assert(smbios_smp_sockets
>= 1);
854 for (i
= 0; i
< smbios_smp_sockets
; i
++) {
855 smbios_build_type_4_table(i
);
858 #define MAX_DIMM_SZ (16ll * ONE_GB)
859 #define GET_DIMM_SZ ((i < dimm_cnt - 1) ? MAX_DIMM_SZ \
860 : ((ram_size - 1) % MAX_DIMM_SZ) + 1)
862 dimm_cnt
= QEMU_ALIGN_UP(ram_size
, MAX_DIMM_SZ
) / MAX_DIMM_SZ
;
864 smbios_build_type_16_table(dimm_cnt
);
866 for (i
= 0; i
< dimm_cnt
; i
++) {
867 smbios_build_type_17_table(i
, GET_DIMM_SZ
);
870 for (i
= 0, instance
= 0; i
< e820_get_num_entries(); i
++) {
871 uint64_t address
, length
;
872 if (e820_get_entry(i
, E820_RAM
, &address
, &length
)) {
873 smbios_build_type_19_table(instance
++, address
, length
);
877 smbios_build_type_32_table();
878 smbios_build_type_127_table();
880 smbios_validate_table();
881 smbios_entry_point_setup();
882 smbios_immutable
= true;
885 /* return tables blob and entry point (anchor), and their sizes */
886 *tables
= smbios_tables
;
887 *tables_len
= smbios_tables_len
;
888 *anchor
= (uint8_t *)&ep
;
889 *anchor_len
= sizeof(struct smbios_entry_point
);
892 static void save_opt(const char **dest
, QemuOpts
*opts
, const char *name
)
894 const char *val
= qemu_opt_get(opts
, name
);
901 void smbios_entry_add(QemuOpts
*opts
)
903 Error
*local_err
= NULL
;
906 assert(!smbios_immutable
);
908 val
= qemu_opt_get(opts
, "file");
910 struct smbios_structure_header
*header
;
912 struct smbios_table
*table
; /* legacy mode only */
914 qemu_opts_validate(opts
, qemu_smbios_file_opts
, &local_err
);
916 error_report_err(local_err
);
920 size
= get_image_size(val
);
921 if (size
== -1 || size
< sizeof(struct smbios_structure_header
)) {
922 error_report("Cannot read SMBIOS file %s", val
);
927 * NOTE: standard double '\0' terminator expected, per smbios spec.
928 * (except in legacy mode, where the second '\0' is implicit and
929 * will be inserted by the BIOS).
931 smbios_tables
= g_realloc(smbios_tables
, smbios_tables_len
+ size
);
932 header
= (struct smbios_structure_header
*)(smbios_tables
+
935 if (load_image(val
, (uint8_t *)header
) != size
) {
936 error_report("Failed to load SMBIOS file %s", val
);
940 if (test_bit(header
->type
, have_fields_bitmap
)) {
941 error_report("can't load type %d struct, fields already specified!",
945 set_bit(header
->type
, have_binfile_bitmap
);
947 if (header
->type
== 4) {
948 smbios_type4_count
++;
951 smbios_tables_len
+= size
;
952 if (size
> smbios_table_max
) {
953 smbios_table_max
= size
;
957 /* add a copy of the newly loaded blob to legacy smbios_entries */
958 /* NOTE: This code runs before smbios_set_defaults(), so we don't
959 * yet know which mode (legacy vs. aggregate-table) will be
960 * required. We therefore add the binary blob to both legacy
961 * (smbios_entries) and aggregate (smbios_tables) tables, and
962 * delete the one we don't need from smbios_set_defaults(),
963 * once we know which machine version has been requested.
965 if (!smbios_entries
) {
966 smbios_entries_len
= sizeof(uint16_t);
967 smbios_entries
= g_malloc0(smbios_entries_len
);
969 smbios_entries
= g_realloc(smbios_entries
, smbios_entries_len
+
970 size
+ sizeof(*table
));
971 table
= (struct smbios_table
*)(smbios_entries
+ smbios_entries_len
);
972 table
->header
.type
= SMBIOS_TABLE_ENTRY
;
973 table
->header
.length
= cpu_to_le16(sizeof(*table
) + size
);
974 memcpy(table
->data
, header
, size
);
975 smbios_entries_len
+= sizeof(*table
) + size
;
976 (*(uint16_t *)smbios_entries
) =
977 cpu_to_le16(le16_to_cpu(*(uint16_t *)smbios_entries
) + 1);
978 /* end: add a copy of the newly loaded blob to legacy smbios_entries */
983 val
= qemu_opt_get(opts
, "type");
985 unsigned long type
= strtoul(val
, NULL
, 0);
987 if (type
> SMBIOS_MAX_TYPE
) {
988 error_report("out of range!");
992 if (test_bit(type
, have_binfile_bitmap
)) {
993 error_report("can't add fields, binary file already loaded!");
996 set_bit(type
, have_fields_bitmap
);
1000 qemu_opts_validate(opts
, qemu_smbios_type0_opts
, &local_err
);
1002 error_report_err(local_err
);
1005 save_opt(&type0
.vendor
, opts
, "vendor");
1006 save_opt(&type0
.version
, opts
, "version");
1007 save_opt(&type0
.date
, opts
, "date");
1008 type0
.uefi
= qemu_opt_get_bool(opts
, "uefi", false);
1010 val
= qemu_opt_get(opts
, "release");
1012 if (sscanf(val
, "%hhu.%hhu", &type0
.major
, &type0
.minor
) != 2) {
1013 error_report("Invalid release");
1016 type0
.have_major_minor
= true;
1020 qemu_opts_validate(opts
, qemu_smbios_type1_opts
, &local_err
);
1022 error_report_err(local_err
);
1025 save_opt(&type1
.manufacturer
, opts
, "manufacturer");
1026 save_opt(&type1
.product
, opts
, "product");
1027 save_opt(&type1
.version
, opts
, "version");
1028 save_opt(&type1
.serial
, opts
, "serial");
1029 save_opt(&type1
.sku
, opts
, "sku");
1030 save_opt(&type1
.family
, opts
, "family");
1032 val
= qemu_opt_get(opts
, "uuid");
1034 if (qemu_uuid_parse(val
, qemu_uuid
) != 0) {
1035 error_report("Invalid UUID");
1038 qemu_uuid_set
= true;
1042 qemu_opts_validate(opts
, qemu_smbios_type2_opts
, &local_err
);
1044 error_report_err(local_err
);
1047 save_opt(&type2
.manufacturer
, opts
, "manufacturer");
1048 save_opt(&type2
.product
, opts
, "product");
1049 save_opt(&type2
.version
, opts
, "version");
1050 save_opt(&type2
.serial
, opts
, "serial");
1051 save_opt(&type2
.asset
, opts
, "asset");
1052 save_opt(&type2
.location
, opts
, "location");
1055 qemu_opts_validate(opts
, qemu_smbios_type3_opts
, &local_err
);
1057 error_report_err(local_err
);
1060 save_opt(&type3
.manufacturer
, opts
, "manufacturer");
1061 save_opt(&type3
.version
, opts
, "version");
1062 save_opt(&type3
.serial
, opts
, "serial");
1063 save_opt(&type3
.asset
, opts
, "asset");
1064 save_opt(&type3
.sku
, opts
, "sku");
1067 qemu_opts_validate(opts
, qemu_smbios_type4_opts
, &local_err
);
1069 error_report_err(local_err
);
1072 save_opt(&type4
.sock_pfx
, opts
, "sock_pfx");
1073 save_opt(&type4
.manufacturer
, opts
, "manufacturer");
1074 save_opt(&type4
.version
, opts
, "version");
1075 save_opt(&type4
.serial
, opts
, "serial");
1076 save_opt(&type4
.asset
, opts
, "asset");
1077 save_opt(&type4
.part
, opts
, "part");
1080 qemu_opts_validate(opts
, qemu_smbios_type17_opts
, &local_err
);
1082 error_report_err(local_err
);
1085 save_opt(&type17
.loc_pfx
, opts
, "loc_pfx");
1086 save_opt(&type17
.bank
, opts
, "bank");
1087 save_opt(&type17
.manufacturer
, opts
, "manufacturer");
1088 save_opt(&type17
.serial
, opts
, "serial");
1089 save_opt(&type17
.asset
, opts
, "asset");
1090 save_opt(&type17
.part
, opts
, "part");
1091 type17
.speed
= qemu_opt_get_number(opts
, "speed", 0);
1094 error_report("Don't know how to build fields for SMBIOS type %ld",
1100 error_report("Must specify type= or file=");