2 * SPDX-License-Identifier: BSD-2-Clause
4 * Copyright (c) 2014 Tycho Nightingale <tycho.nightingale@pluribusnetworks.com>
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 #include <sys/cdefs.h>
30 #include <sys/param.h>
40 #include <machine/vmm.h>
46 #include "smbiostbl.h"
48 #define MB (1024*1024)
49 #define GB (1024ULL*1024*1024)
51 #define SMBIOS_BASE 0xF1000
53 #define FIRMWARE_VERSION "14.0"
54 /* The SMBIOS specification defines the date format to be mm/dd/yyyy */
55 #define FIRMWARE_RELEASE_DATE "10/17/2021"
57 /* BHYVE_ACPI_BASE - SMBIOS_BASE) */
58 #define SMBIOS_MAX_LENGTH (0xF2400 - 0xF1000)
60 #define SMBIOS_TYPE_BIOS 0
61 #define SMBIOS_TYPE_SYSTEM 1
62 #define SMBIOS_TYPE_BOARD 2
63 #define SMBIOS_TYPE_CHASSIS 3
64 #define SMBIOS_TYPE_PROCESSOR 4
65 #define SMBIOS_TYPE_MEMARRAY 16
66 #define SMBIOS_TYPE_MEMDEVICE 17
67 #define SMBIOS_TYPE_MEMARRAYMAP 19
68 #define SMBIOS_TYPE_BOOT 32
69 #define SMBIOS_TYPE_EOT 127
71 struct smbios_structure {
77 struct smbios_string {
82 typedef int (*initializer_func_t)(const struct smbios_structure *template_entry,
83 const struct smbios_string *template_strings, char *curaddr, char **endaddr,
86 struct smbios_template_entry {
87 const struct smbios_structure *entry;
88 const struct smbios_string *strings;
89 initializer_func_t initializer;
93 * SMBIOS Structure Table Entry Point
95 #define SMBIOS_ENTRY_EANCHOR "_SM_"
96 #define SMBIOS_ENTRY_EANCHORLEN 4
97 #define SMBIOS_ENTRY_IANCHOR "_DMI_"
98 #define SMBIOS_ENTRY_IANCHORLEN 5
100 struct smbios_entry_point {
101 char eanchor[4]; /* anchor tag */
102 uint8_t echecksum; /* checksum of entry point structure */
103 uint8_t eplen; /* length in bytes of entry point */
104 uint8_t major; /* major version of the SMBIOS spec */
105 uint8_t minor; /* minor version of the SMBIOS spec */
106 uint16_t maxssize; /* maximum size in bytes of a struct */
107 uint8_t revision; /* entry point structure revision */
108 uint8_t format[5]; /* entry point rev-specific data */
109 char ianchor[5]; /* intermediate anchor tag */
110 uint8_t ichecksum; /* intermediate checksum */
111 uint16_t stlen; /* len in bytes of structure table */
112 uint32_t staddr; /* physical addr of structure table */
113 uint16_t stnum; /* number of structure table entries */
114 uint8_t bcdrev; /* BCD value representing DMI ver */
120 #define SMBIOS_FL_ISA 0x00000010 /* ISA is supported */
121 #define SMBIOS_FL_PCI 0x00000080 /* PCI is supported */
122 #define SMBIOS_FL_SHADOW 0x00001000 /* BIOS shadowing is allowed */
123 #define SMBIOS_FL_CDBOOT 0x00008000 /* Boot from CD is supported */
124 #define SMBIOS_FL_SELBOOT 0x00010000 /* Selectable Boot supported */
125 #define SMBIOS_FL_EDD 0x00080000 /* EDD Spec is supported */
127 #define SMBIOS_XB1_FL_ACPI 0x00000001 /* ACPI is supported */
129 #define SMBIOS_XB2_FL_BBS 0x00000001 /* BIOS Boot Specification */
130 #define SMBIOS_XB2_FL_VM 0x00000010 /* Virtual Machine */
132 struct smbios_table_type0 {
133 struct smbios_structure header;
134 uint8_t vendor; /* vendor string */
135 uint8_t version; /* version string */
136 uint16_t segment; /* address segment location */
137 uint8_t rel_date; /* release date */
138 uint8_t size; /* rom size */
139 uint64_t cflags; /* characteristics */
140 uint8_t xc_bytes[2]; /* characteristics ext bytes */
141 uint8_t sb_major_rel; /* system bios version */
142 uint8_t sb_minor_rele;
143 uint8_t ecfw_major_rel; /* embedded ctrl fw version */
144 uint8_t ecfw_minor_rel;
150 #define SMBIOS_WAKEUP_SWITCH 0x06 /* power switch */
152 struct smbios_table_type1 {
153 struct smbios_structure header;
154 uint8_t manufacturer; /* manufacturer string */
155 uint8_t product; /* product name string */
156 uint8_t version; /* version string */
157 uint8_t serial; /* serial number string */
158 uint8_t uuid[16]; /* uuid byte array */
159 uint8_t wakeup; /* wake-up event */
160 uint8_t sku; /* sku number string */
161 uint8_t family; /* family name string */
165 * Baseboard (or Module) Information
167 #define SMBIOS_BRF_HOSTING 0x1
168 #define SMBIOS_BRT_MOTHERBOARD 0xa
170 struct smbios_table_type2 {
171 struct smbios_structure header;
172 uint8_t manufacturer; /* manufacturer string */
173 uint8_t product; /* product name string */
174 uint8_t version; /* version string */
175 uint8_t serial; /* serial number string */
176 uint8_t asset; /* asset tag string */
177 uint8_t fflags; /* feature flags */
178 uint8_t location; /* location in chassis */
179 uint16_t chandle; /* chassis handle */
180 uint8_t type; /* board type */
181 uint8_t n_objs; /* number of contained object handles */
185 * System Enclosure or Chassis
187 #define SMBIOS_CHT_UNKNOWN 0x02 /* unknown */
188 #define SMBIOS_CHT_DESKTOP 0x03 /* desktop */
190 #define SMBIOS_CHST_SAFE 0x03 /* safe */
192 #define SMBIOS_CHSC_NONE 0x03 /* none */
194 struct smbios_table_type3 {
195 struct smbios_structure header;
196 uint8_t manufacturer; /* manufacturer string */
197 uint8_t type; /* type */
198 uint8_t version; /* version string */
199 uint8_t serial; /* serial number string */
200 uint8_t asset; /* asset tag string */
201 uint8_t bustate; /* boot-up state */
202 uint8_t psstate; /* power supply state */
203 uint8_t tstate; /* thermal state */
204 uint8_t security; /* security status */
205 uint32_t oemdata; /* OEM-specific data */
206 uint8_t uheight; /* height in 'u's */
207 uint8_t cords; /* number of power cords */
208 uint8_t elems; /* number of element records */
209 uint8_t elemlen; /* length of records */
210 uint8_t sku; /* sku number string */
214 * Processor Information
216 #define SMBIOS_PRT_CENTRAL 0x03 /* central processor */
218 #define SMBIOS_PRF_OTHER 0x01 /* other */
220 #define SMBIOS_PRS_PRESENT 0x40 /* socket is populated */
221 #define SMBIOS_PRS_ENABLED 0x1 /* enabled */
223 #define SMBIOS_PRU_NONE 0x06 /* none */
225 #define SMBIOS_PFL_64B 0x04 /* 64-bit capable */
227 struct smbios_table_type4 {
228 struct smbios_structure header;
229 uint8_t socket; /* socket designation string */
230 uint8_t type; /* processor type */
231 uint8_t family; /* processor family */
232 uint8_t manufacturer; /* manufacturer string */
233 uint64_t cpuid; /* processor cpuid */
234 uint8_t version; /* version string */
235 uint8_t voltage; /* voltage */
236 uint16_t clkspeed; /* ext clock speed in mhz */
237 uint16_t maxspeed; /* maximum speed in mhz */
238 uint16_t curspeed; /* current speed in mhz */
239 uint8_t status; /* status */
240 uint8_t upgrade; /* upgrade */
241 uint16_t l1handle; /* l1 cache handle */
242 uint16_t l2handle; /* l2 cache handle */
243 uint16_t l3handle; /* l3 cache handle */
244 uint8_t serial; /* serial number string */
245 uint8_t asset; /* asset tag string */
246 uint8_t part; /* part number string */
247 uint8_t cores; /* cores per socket */
248 uint8_t ecores; /* enabled cores */
249 uint8_t threads; /* threads per socket */
250 uint16_t cflags; /* processor characteristics */
251 uint16_t family2; /* processor family 2 */
255 * Physical Memory Array
257 #define SMBIOS_MAL_SYSMB 0x03 /* system board or motherboard */
259 #define SMBIOS_MAU_SYSTEM 0x03 /* system memory */
261 #define SMBIOS_MAE_NONE 0x03 /* none */
263 struct smbios_table_type16 {
264 struct smbios_structure header;
265 uint8_t location; /* physical device location */
266 uint8_t use; /* device functional purpose */
267 uint8_t ecc; /* err detect/correct method */
268 uint32_t size; /* max mem capacity in kb */
269 uint16_t errhand; /* handle of error (if any) */
270 uint16_t ndevs; /* num of slots or sockets */
271 uint64_t xsize; /* max mem capacity in bytes */
277 #define SMBIOS_MDFF_UNKNOWN 0x02 /* unknown */
279 #define SMBIOS_MDT_UNKNOWN 0x02 /* unknown */
281 #define SMBIOS_MDF_UNKNOWN 0x0004 /* unknown */
283 struct smbios_table_type17 {
284 struct smbios_structure header;
285 uint16_t arrayhand; /* handle of physl mem array */
286 uint16_t errhand; /* handle of mem error data */
287 uint16_t twidth; /* total width in bits */
288 uint16_t dwidth; /* data width in bits */
289 uint16_t size; /* size in kb or mb */
290 uint8_t form; /* form factor */
291 uint8_t set; /* set */
292 uint8_t dloc; /* device locator string */
293 uint8_t bloc; /* phys bank locator string */
294 uint8_t type; /* memory type */
295 uint16_t flags; /* memory characteristics */
296 uint16_t maxspeed; /* maximum speed in mhz */
297 uint8_t manufacturer; /* manufacturer string */
298 uint8_t serial; /* serial number string */
299 uint8_t asset; /* asset tag string */
300 uint8_t part; /* part number string */
301 uint8_t attributes; /* attributes */
302 uint32_t xsize; /* extended size in mb */
303 uint16_t curspeed; /* current speed in mhz */
304 uint16_t minvoltage; /* minimum voltage */
305 uint16_t maxvoltage; /* maximum voltage */
306 uint16_t curvoltage; /* configured voltage */
310 * Memory Array Mapped Address
312 struct smbios_table_type19 {
313 struct smbios_structure header;
314 uint32_t saddr; /* start phys addr in kb */
315 uint32_t eaddr; /* end phys addr in kb */
316 uint16_t arrayhand; /* physical mem array handle */
317 uint8_t width; /* num of dev in row */
318 uint64_t xsaddr; /* start phys addr in bytes */
319 uint64_t xeaddr; /* end phys addr in bytes */
323 * System Boot Information
325 #define SMBIOS_BOOT_NORMAL 0 /* no errors detected */
327 struct smbios_table_type32 {
328 struct smbios_structure header;
330 uint8_t status; /* boot status */
336 struct smbios_table_type127 {
337 struct smbios_structure header;
340 static const struct smbios_table_type0 smbios_type0_template = {
341 { SMBIOS_TYPE_BIOS, sizeof (struct smbios_table_type0), 0 },
342 1, /* bios vendor string */
343 2, /* bios version string */
344 0xF000, /* bios address segment location */
345 3, /* bios release date */
346 0x0, /* bios size (64k * (n + 1) is the size in bytes) */
347 SMBIOS_FL_ISA | SMBIOS_FL_PCI | SMBIOS_FL_SHADOW |
348 SMBIOS_FL_CDBOOT | SMBIOS_FL_EDD,
349 { SMBIOS_XB1_FL_ACPI, SMBIOS_XB2_FL_BBS | SMBIOS_XB2_FL_VM },
350 0x0, /* bios major release */
351 0x0, /* bios minor release */
352 0xff, /* embedded controller firmware major release */
353 0xff /* embedded controller firmware minor release */
356 static const struct smbios_string smbios_type0_strings[] = {
357 { "bios.vendor", "BHYVE" }, /* vendor string */
358 { "bios.version", FIRMWARE_VERSION }, /* bios version string */
359 { "bios.release_date", FIRMWARE_RELEASE_DATE }, /* bios release date string */
363 static const struct smbios_table_type1 smbios_type1_template = {
364 { SMBIOS_TYPE_SYSTEM, sizeof (struct smbios_table_type1), 0 },
365 1, /* manufacturer string */
366 2, /* product string */
367 3, /* version string */
368 4, /* serial number string */
370 SMBIOS_WAKEUP_SWITCH,
372 6 /* family string */
375 static int smbios_type1_initializer(const struct smbios_structure *template_entry,
376 const struct smbios_string *template_strings, char *curaddr, char **endaddr,
379 static const struct smbios_string smbios_type1_strings[] = {
380 { "system.manufacturer", "FreeBSD" }, /* manufacturer string */
381 { "system.product_name", "BHYVE" }, /* product string */
382 { "system.version", "1.0" }, /* version string */
383 { "system.serial_number", "None" }, /* serial number string */
384 { "system.sku", "None" }, /* sku string */
385 { "system.family_name", "Virtual Machine" }, /* family string */
389 static const struct smbios_table_type2 smbios_type2_template = {
390 { SMBIOS_TYPE_BOARD, sizeof (struct smbios_table_type2), 0 },
391 1, /* manufacturer string */
392 2, /* product string */
393 3, /* version string */
394 4, /* serial number string */
395 5, /* asset tag string */
396 SMBIOS_BRF_HOSTING, /* feature flags */
397 6, /* location string */
398 SMBIOS_CHT_DESKTOP, /* chassis handle */
399 SMBIOS_BRT_MOTHERBOARD, /* board type */
403 static const struct smbios_string smbios_type2_strings[] = {
404 { "board.manufacturer", "FreeBSD" }, /* manufacturer string */
405 { "board.product_name", "BHYVE" }, /* product name string */
406 { "board.version", "1.0" }, /* version string */
407 { "board.serial_number", "None" }, /* serial number string */
408 { "board.asset_tag", "None" }, /* asset tag string */
409 { "board.location", "None" }, /* location string */
413 static const struct smbios_table_type3 smbios_type3_template = {
414 { SMBIOS_TYPE_CHASSIS, sizeof (struct smbios_table_type3), 0 },
415 1, /* manufacturer string */
417 2, /* version string */
418 3, /* serial number string */
419 4, /* asset tag string */
424 0, /* OEM specific data, we have none */
425 0, /* height in 'u's (0=enclosure height unspecified) */
426 0, /* number of power cords (0=number unspecified) */
427 0, /* number of contained element records */
428 0, /* length of records */
429 5 /* sku number string */
432 static const struct smbios_string smbios_type3_strings[] = {
433 { "chassis.manufacturer", "FreeBSD" }, /* manufacturer string */
434 { "chassis.version", "1.0" }, /* version string */
435 { "chassis.serial_number", "None" }, /* serial number string */
436 { "chassis.asset_tag", "None" }, /* asset tag string */
437 { "chassis.sku", "None" }, /* sku number string */
441 static const struct smbios_table_type4 smbios_type4_template = {
442 { SMBIOS_TYPE_PROCESSOR, sizeof (struct smbios_table_type4), 0 },
443 1, /* socket designation string */
446 2, /* manufacturer string */
448 3, /* version string */
450 0, /* external clock frequency in mhz (0=unknown) */
451 0, /* maximum frequency in mhz (0=unknown) */
452 0, /* current frequency in mhz (0=unknown) */
453 SMBIOS_PRS_PRESENT | SMBIOS_PRS_ENABLED,
455 -1, /* l1 cache handle */
456 -1, /* l2 cache handle */
457 -1, /* l3 cache handle */
458 4, /* serial number string */
459 5, /* asset tag string */
460 6, /* part number string */
461 0, /* cores per socket (0=unknown) */
462 0, /* enabled cores per socket (0=unknown) */
463 0, /* threads per socket (0=unknown) */
468 static const struct smbios_string smbios_type4_strings[] = {
469 { NULL, " " }, /* socket designation string */
470 { NULL, " " }, /* manufacturer string */
471 { NULL, " " }, /* version string */
472 { NULL, "None" }, /* serial number string */
473 { NULL, "None" }, /* asset tag string */
474 { NULL, "None" }, /* part number string */
478 static int smbios_type4_initializer(
479 const struct smbios_structure *template_entry,
480 const struct smbios_string *template_strings, char *curaddr, char **endaddr,
483 static const struct smbios_table_type16 smbios_type16_template = {
484 { SMBIOS_TYPE_MEMARRAY, sizeof (struct smbios_table_type16), 0 },
488 0x80000000, /* max mem capacity in kb (0x80000000=use extended) */
489 -1, /* handle of error (if any) */
490 0, /* number of slots or sockets (TBD) */
491 0 /* extended maximum memory capacity in bytes (TBD) */
494 static int smbios_type16_initializer(
495 const struct smbios_structure *template_entry,
496 const struct smbios_string *template_strings, char *curaddr, char **endaddr,
499 static const struct smbios_table_type17 smbios_type17_template = {
500 { SMBIOS_TYPE_MEMDEVICE, sizeof (struct smbios_table_type17), 0 },
501 -1, /* handle of physical memory array */
502 -1, /* handle of memory error data */
503 64, /* total width in bits including ecc */
504 64, /* data width in bits */
505 0, /* size in kb or mb (0x7fff=use extended)*/
507 0, /* set (0x00=none, 0xff=unknown) */
508 1, /* device locator string */
509 2, /* physical bank locator string */
512 0, /* maximum memory speed in mhz (0=unknown) */
513 3, /* manufacturer string */
514 4, /* serial number string */
515 5, /* asset tag string */
516 6, /* part number string */
517 0, /* attributes (0=unknown rank information) */
518 0, /* extended size in mb (TBD) */
519 0, /* current speed in mhz (0=unknown) */
520 0, /* minimum voltage in mv (0=unknown) */
521 0, /* maximum voltage in mv (0=unknown) */
522 0 /* configured voltage in mv (0=unknown) */
525 static const struct smbios_string smbios_type17_strings[] = {
526 { NULL, " " }, /* device locator string */
527 { NULL, " " }, /* physical bank locator string */
528 { NULL, " " }, /* manufacturer string */
529 { NULL, "None" }, /* serial number string */
530 { NULL, "None" }, /* asset tag string */
531 { NULL, "None" }, /* part number string */
535 static int smbios_type17_initializer(
536 const struct smbios_structure *template_entry,
537 const struct smbios_string *template_strings, char *curaddr, char **endaddr,
540 static const struct smbios_table_type19 smbios_type19_template = {
541 { SMBIOS_TYPE_MEMARRAYMAP, sizeof (struct smbios_table_type19), 0 },
542 0xffffffff, /* starting phys addr in kb (0xffffffff=use ext) */
543 0xffffffff, /* ending phys addr in kb (0xffffffff=use ext) */
544 -1, /* physical memory array handle */
545 1, /* number of devices that form a row */
546 0, /* extended starting phys addr in bytes (TDB) */
547 0 /* extended ending phys addr in bytes (TDB) */
550 static int smbios_type19_initializer(
551 const struct smbios_structure *template_entry,
552 const struct smbios_string *template_strings, char *curaddr, char **endaddr,
555 static struct smbios_table_type32 smbios_type32_template = {
556 { SMBIOS_TYPE_BOOT, sizeof (struct smbios_table_type32), 0 },
557 { 0, 0, 0, 0, 0, 0 },
561 static const struct smbios_table_type127 smbios_type127_template = {
562 { SMBIOS_TYPE_EOT, sizeof (struct smbios_table_type127), 0 }
565 static int smbios_generic_initializer(
566 const struct smbios_structure *template_entry,
567 const struct smbios_string *template_strings, char *curaddr, char **endaddr,
570 static struct smbios_template_entry smbios_template[] = {
571 { (const struct smbios_structure *)&smbios_type0_template,
572 smbios_type0_strings,
573 smbios_generic_initializer },
574 { (const struct smbios_structure *)&smbios_type1_template,
575 smbios_type1_strings,
576 smbios_type1_initializer },
577 { (const struct smbios_structure *)&smbios_type2_template,
578 smbios_type2_strings,
579 smbios_generic_initializer },
580 { (const struct smbios_structure *)&smbios_type3_template,
581 smbios_type3_strings,
582 smbios_generic_initializer },
583 { (const struct smbios_structure *)&smbios_type4_template,
584 smbios_type4_strings,
585 smbios_type4_initializer },
586 { (const struct smbios_structure *)&smbios_type16_template,
588 smbios_type16_initializer },
589 { (const struct smbios_structure *)&smbios_type17_template,
590 smbios_type17_strings,
591 smbios_type17_initializer },
592 { (const struct smbios_structure *)&smbios_type19_template,
594 smbios_type19_initializer },
595 { (const struct smbios_structure *)&smbios_type32_template,
597 smbios_generic_initializer },
598 { (const struct smbios_structure *)&smbios_type127_template,
600 smbios_generic_initializer },
604 static uint64_t guest_lomem, guest_himem;
605 static uint16_t type16_handle;
608 smbios_generic_initializer(const struct smbios_structure *template_entry,
609 const struct smbios_string *template_strings, char *curaddr, char **endaddr,
612 struct smbios_structure *entry;
614 memcpy(curaddr, template_entry, template_entry->length);
615 entry = (struct smbios_structure *)curaddr;
616 entry->handle = *n + 1;
617 curaddr += entry->length;
618 if (template_strings != NULL) {
621 for (i = 0; template_strings[i].value != NULL; i++) {
625 if (template_strings[i].node == NULL) {
626 string = template_strings[i].value;
628 set_config_value_if_unset(
629 template_strings[i].node,
630 template_strings[i].value);
631 string = get_config_value(
632 template_strings[i].node);
635 len = strlen(string) + 1;
636 memcpy(curaddr, string, len);
642 /* Minimum string section is double nul */
655 smbios_type1_initializer(const struct smbios_structure *template_entry,
656 const struct smbios_string *template_strings, char *curaddr, char **endaddr,
659 struct smbios_table_type1 *type1;
660 const char *guest_uuid_str;
662 smbios_generic_initializer(template_entry, template_strings,
663 curaddr, endaddr, n);
664 type1 = (struct smbios_table_type1 *)curaddr;
666 guest_uuid_str = get_config_value("uuid");
667 if (guest_uuid_str != NULL) {
671 uuid_from_string(guest_uuid_str, &uuid, &status);
672 if (status != uuid_s_ok) {
673 EPRINTLN("Invalid UUID");
677 uuid_enc_le(&type1->uuid, &uuid);
681 char hostname[MAXHOSTNAMELEN];
685 * Universally unique and yet reproducible are an
686 * oxymoron, however reproducible is desirable in
689 if (gethostname(hostname, sizeof(hostname)))
693 vmname = get_config_value("name");
694 MD5Update(&mdctx, vmname, strlen(vmname));
695 MD5Update(&mdctx, hostname, sizeof(hostname));
696 MD5Final(digest, &mdctx);
699 * Set the variant and version number.
702 digest[6] |= 0x30; /* version 3 */
706 memcpy(&type1->uuid, digest, sizeof (digest));
713 smbios_type4_initializer(const struct smbios_structure *template_entry,
714 const struct smbios_string *template_strings, char *curaddr, char **endaddr,
719 for (i = 0; i < cpu_sockets; i++) {
720 struct smbios_table_type4 *type4;
724 smbios_generic_initializer(template_entry, template_strings,
725 curaddr, endaddr, n);
726 type4 = (struct smbios_table_type4 *)curaddr;
727 p = curaddr + sizeof (struct smbios_table_type4);
729 while (p < *endaddr - 1) {
733 len = sprintf(*endaddr - 1, "CPU #%d", i) + 1;
737 type4->socket = nstrings + 1;
738 /* Revise cores and threads after update to smbios 3.0 */
742 type4->cores = cpu_cores;
743 /* This threads is total threads in a socket */
744 if (cpu_cores * cpu_threads > 254)
747 type4->threads = cpu_cores * cpu_threads;
755 smbios_type16_initializer(const struct smbios_structure *template_entry,
756 const struct smbios_string *template_strings, char *curaddr, char **endaddr,
759 struct smbios_table_type16 *type16;
762 smbios_generic_initializer(template_entry, template_strings,
763 curaddr, endaddr, n);
764 type16 = (struct smbios_table_type16 *)curaddr;
765 type16->xsize = guest_lomem + guest_himem;
766 type16->ndevs = guest_himem > 0 ? 2 : 1;
772 smbios_type17_initializer(const struct smbios_structure *template_entry,
773 const struct smbios_string *template_strings, char *curaddr, char **endaddr,
776 struct smbios_table_type17 *type17;
777 uint64_t memsize, size_KB, size_MB;
779 smbios_generic_initializer(template_entry, template_strings,
780 curaddr, endaddr, n);
781 type17 = (struct smbios_table_type17 *)curaddr;
782 type17->arrayhand = type16_handle;
784 memsize = guest_lomem + guest_himem;
785 size_KB = memsize / 1024;
786 size_MB = memsize / MB;
788 /* A single Type 17 entry can't represent more than ~2PB RAM */
789 if (size_MB > 0x7FFFFFFF) {
790 printf("Warning: guest memory too big for SMBIOS Type 17 table: "
791 "%luMB greater than max supported 2147483647MB\n", size_MB);
793 size_MB = 0x7FFFFFFF;
796 /* See SMBIOS 2.7.0 section 7.18 - Memory Device (Type 17) */
797 if (size_KB <= 0x7FFF) {
798 /* Can represent up to 32767KB with the top bit set */
799 type17->size = size_KB | (1 << 15);
800 } else if (size_MB < 0x7FFF) {
801 /* Can represent up to 32766MB with the top bit unset */
802 type17->size = size_MB & 0x7FFF;
804 type17->size = 0x7FFF;
806 * Can represent up to 2147483647MB (~2PB)
807 * The top bit is reserved
809 type17->xsize = size_MB & 0x7FFFFFFF;
816 smbios_type19_initializer(const struct smbios_structure *template_entry,
817 const struct smbios_string *template_strings, char *curaddr, char **endaddr,
820 struct smbios_table_type19 *type19;
822 smbios_generic_initializer(template_entry, template_strings,
823 curaddr, endaddr, n);
824 type19 = (struct smbios_table_type19 *)curaddr;
825 type19->arrayhand = type16_handle;
827 type19->xeaddr = guest_lomem;
829 if (guest_himem > 0) {
831 smbios_generic_initializer(template_entry, template_strings,
832 curaddr, endaddr, n);
833 type19 = (struct smbios_table_type19 *)curaddr;
834 type19->arrayhand = type16_handle;
835 type19->xsaddr = 4*GB;
836 type19->xeaddr = type19->xsaddr + guest_himem;
843 smbios_ep_initializer(struct smbios_entry_point *smbios_ep, uint32_t staddr)
845 memset(smbios_ep, 0, sizeof(*smbios_ep));
846 memcpy(smbios_ep->eanchor, SMBIOS_ENTRY_EANCHOR,
847 SMBIOS_ENTRY_EANCHORLEN);
848 smbios_ep->eplen = 0x1F;
849 assert(sizeof (struct smbios_entry_point) == smbios_ep->eplen);
850 smbios_ep->major = 2;
851 smbios_ep->minor = 6;
852 smbios_ep->revision = 0;
853 memcpy(smbios_ep->ianchor, SMBIOS_ENTRY_IANCHOR,
854 SMBIOS_ENTRY_IANCHORLEN);
855 smbios_ep->staddr = staddr;
856 smbios_ep->bcdrev = (smbios_ep->major & 0xf) << 4 | (smbios_ep->minor & 0xf);
860 smbios_ep_finalizer(struct smbios_entry_point *smbios_ep, uint16_t len,
861 uint16_t num, uint16_t maxssize)
866 smbios_ep->maxssize = maxssize;
867 smbios_ep->stlen = len;
868 smbios_ep->stnum = num;
871 for (i = 0x10; i < 0x1f; i++) {
872 checksum -= ((uint8_t *)smbios_ep)[i];
874 smbios_ep->ichecksum = checksum;
877 for (i = 0; i < 0x1f; i++) {
878 checksum -= ((uint8_t *)smbios_ep)[i];
880 smbios_ep->echecksum = checksum;
884 smbios_build(struct vmctx *ctx)
886 struct smbios_entry_point *smbios_ep;
889 char *curaddr, *startaddr, *ststartaddr;
893 guest_lomem = vm_get_lowmem_size(ctx);
894 guest_himem = vm_get_highmem_size(ctx);
896 startaddr = paddr_guest2host(ctx, SMBIOS_BASE, SMBIOS_MAX_LENGTH);
897 if (startaddr == NULL) {
898 EPRINTLN("smbios table requires mapped mem");
904 smbios_ep = (struct smbios_entry_point *)curaddr;
905 smbios_ep_initializer(smbios_ep, SMBIOS_BASE +
906 sizeof(struct smbios_entry_point));
907 curaddr += sizeof(struct smbios_entry_point);
908 ststartaddr = curaddr;
912 for (i = 0; smbios_template[i].entry != NULL; i++) {
913 const struct smbios_structure *entry;
914 const struct smbios_string *strings;
915 initializer_func_t initializer;
919 entry = smbios_template[i].entry;
920 strings = smbios_template[i].strings;
921 initializer = smbios_template[i].initializer;
923 err = (*initializer)(entry, strings, curaddr, &endaddr, &n);
927 size = endaddr - curaddr;
928 assert(size <= UINT16_MAX);
930 maxssize = (uint16_t)size;
934 assert(curaddr - startaddr < SMBIOS_MAX_LENGTH);
935 smbios_ep_finalizer(smbios_ep, curaddr - ststartaddr, n, maxssize);