1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
|
/*-
* Copyright (c) 2014 Tycho Nightingale <tycho.nightingale@pluribusnetworks.com>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <assert.h>
#include <errno.h>
#include <md5.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <uuid.h>
#include <machine/vmm.h>
#include <vmmapi.h>
#include "bhyverun.h"
#include "smbiostbl.h"
#define MB (1024*1024)
#define GB (1024ULL*1024*1024)
#define SMBIOS_BASE 0xF1000
/* BHYVE_ACPI_BASE - SMBIOS_BASE) */
#define SMBIOS_MAX_LENGTH (0xF2400 - 0xF1000)
#define SMBIOS_TYPE_BIOS 0
#define SMBIOS_TYPE_SYSTEM 1
#define SMBIOS_TYPE_CHASSIS 3
#define SMBIOS_TYPE_PROCESSOR 4
#define SMBIOS_TYPE_MEMARRAY 16
#define SMBIOS_TYPE_MEMDEVICE 17
#define SMBIOS_TYPE_MEMARRAYMAP 19
#define SMBIOS_TYPE_BOOT 32
#define SMBIOS_TYPE_EOT 127
struct smbios_structure {
uint8_t type;
uint8_t length;
uint16_t handle;
} __packed;
typedef int (*initializer_func_t)(struct smbios_structure *template_entry,
const char **template_strings, char *curaddr, char **endaddr,
uint16_t *n, uint16_t *size);
struct smbios_template_entry {
struct smbios_structure *entry;
const char **strings;
initializer_func_t initializer;
};
/*
* SMBIOS Structure Table Entry Point
*/
#define SMBIOS_ENTRY_EANCHOR "_SM_"
#define SMBIOS_ENTRY_EANCHORLEN 4
#define SMBIOS_ENTRY_IANCHOR "_DMI_"
#define SMBIOS_ENTRY_IANCHORLEN 5
struct smbios_entry_point {
char eanchor[4]; /* anchor tag */
uint8_t echecksum; /* checksum of entry point structure */
uint8_t eplen; /* length in bytes of entry point */
uint8_t major; /* major version of the SMBIOS spec */
uint8_t minor; /* minor version of the SMBIOS spec */
uint16_t maxssize; /* maximum size in bytes of a struct */
uint8_t revision; /* entry point structure revision */
uint8_t format[5]; /* entry point rev-specific data */
char ianchor[5]; /* intermediate anchor tag */
uint8_t ichecksum; /* intermediate checksum */
uint16_t stlen; /* len in bytes of structure table */
uint32_t staddr; /* physical addr of structure table */
uint16_t stnum; /* number of structure table entries */
uint8_t bcdrev; /* BCD value representing DMI ver */
} __packed;
/*
* BIOS Information
*/
#define SMBIOS_FL_ISA 0x00000010 /* ISA is supported */
#define SMBIOS_FL_PCI 0x00000080 /* PCI is supported */
#define SMBIOS_FL_SHADOW 0x00001000 /* BIOS shadowing is allowed */
#define SMBIOS_FL_CDBOOT 0x00008000 /* Boot from CD is supported */
#define SMBIOS_FL_SELBOOT 0x00010000 /* Selectable Boot supported */
#define SMBIOS_FL_EDD 0x00080000 /* EDD Spec is supported */
#define SMBIOS_XB1_FL_ACPI 0x00000001 /* ACPI is supported */
#define SMBIOS_XB2_FL_BBS 0x00000001 /* BIOS Boot Specification */
#define SMBIOS_XB2_FL_VM 0x00000010 /* Virtual Machine */
struct smbios_table_type0 {
struct smbios_structure header;
uint8_t vendor; /* vendor string */
uint8_t version; /* version string */
uint16_t segment; /* address segment location */
uint8_t rel_date; /* release date */
uint8_t size; /* rom size */
uint64_t cflags; /* characteristics */
uint8_t xc_bytes[2]; /* characteristics ext bytes */
uint8_t sb_major_rel; /* system bios version */
uint8_t sb_minor_rele;
uint8_t ecfw_major_rel; /* embedded ctrl fw version */
uint8_t ecfw_minor_rel;
} __packed;
/*
* System Information
*/
#define SMBIOS_WAKEUP_SWITCH 0x06 /* power switch */
struct smbios_table_type1 {
struct smbios_structure header;
uint8_t manufacturer; /* manufacturer string */
uint8_t product; /* product name string */
uint8_t version; /* version string */
uint8_t serial; /* serial number string */
uint8_t uuid[16]; /* uuid byte array */
uint8_t wakeup; /* wake-up event */
uint8_t sku; /* sku number string */
uint8_t family; /* family name string */
} __packed;
/*
* System Enclosure or Chassis
*/
#define SMBIOS_CHT_UNKNOWN 0x02 /* unknown */
#define SMBIOS_CHST_SAFE 0x03 /* safe */
#define SMBIOS_CHSC_NONE 0x03 /* none */
struct smbios_table_type3 {
struct smbios_structure header;
uint8_t manufacturer; /* manufacturer string */
uint8_t type; /* type */
uint8_t version; /* version string */
uint8_t serial; /* serial number string */
uint8_t asset; /* asset tag string */
uint8_t bustate; /* boot-up state */
uint8_t psstate; /* power supply state */
uint8_t tstate; /* thermal state */
uint8_t security; /* security status */
uint8_t uheight; /* height in 'u's */
uint8_t cords; /* number of power cords */
uint8_t elems; /* number of element records */
uint8_t elemlen; /* length of records */
uint8_t sku; /* sku number string */
} __packed;
/*
* Processor Information
*/
#define SMBIOS_PRT_CENTRAL 0x03 /* central processor */
#define SMBIOS_PRF_OTHER 0x01 /* other */
#define SMBIOS_PRS_PRESENT 0x40 /* socket is populated */
#define SMBIOS_PRS_ENABLED 0x1 /* enabled */
#define SMBIOS_PRU_NONE 0x06 /* none */
#define SMBIOS_PFL_64B 0x04 /* 64-bit capable */
struct smbios_table_type4 {
struct smbios_structure header;
uint8_t socket; /* socket designation string */
uint8_t type; /* processor type */
uint8_t family; /* processor family */
uint8_t manufacturer; /* manufacturer string */
uint64_t cpuid; /* processor cpuid */
uint8_t version; /* version string */
uint8_t voltage; /* voltage */
uint16_t clkspeed; /* ext clock speed in mhz */
uint16_t maxspeed; /* maximum speed in mhz */
uint16_t curspeed; /* current speed in mhz */
uint8_t status; /* status */
uint8_t upgrade; /* upgrade */
uint16_t l1handle; /* l1 cache handle */
uint16_t l2handle; /* l2 cache handle */
uint16_t l3handle; /* l3 cache handle */
uint8_t serial; /* serial number string */
uint8_t asset; /* asset tag string */
uint8_t part; /* part number string */
uint8_t cores; /* cores per socket */
uint8_t ecores; /* enabled cores */
uint8_t threads; /* threads per socket */
uint16_t cflags; /* processor characteristics */
uint16_t family2; /* processor family 2 */
} __packed;
/*
* Physical Memory Array
*/
#define SMBIOS_MAL_SYSMB 0x03 /* system board or motherboard */
#define SMBIOS_MAU_SYSTEM 0x03 /* system memory */
#define SMBIOS_MAE_NONE 0x03 /* none */
struct smbios_table_type16 {
struct smbios_structure header;
uint8_t location; /* physical device location */
uint8_t use; /* device functional purpose */
uint8_t ecc; /* err detect/correct method */
uint32_t size; /* max mem capacity in kb */
uint16_t errhand; /* handle of error (if any) */
uint16_t ndevs; /* num of slots or sockets */
uint64_t xsize; /* max mem capacity in bytes */
} __packed;
/*
* Memory Device
*/
#define SMBIOS_MDFF_UNKNOWN 0x02 /* unknown */
#define SMBIOS_MDT_UNKNOWN 0x02 /* unknown */
#define SMBIOS_MDF_UNKNOWN 0x0004 /* unknown */
struct smbios_table_type17 {
struct smbios_structure header;
uint16_t arrayhand; /* handle of physl mem array */
uint16_t errhand; /* handle of mem error data */
uint16_t twidth; /* total width in bits */
uint16_t dwidth; /* data width in bits */
uint16_t size; /* size in bytes */
uint8_t form; /* form factor */
uint8_t set; /* set */
uint8_t dloc; /* device locator string */
uint8_t bloc; /* phys bank locator string */
uint8_t type; /* memory type */
uint16_t flags; /* memory characteristics */
uint16_t maxspeed; /* maximum speed in mhz */
uint8_t manufacturer; /* manufacturer string */
uint8_t serial; /* serial number string */
uint8_t asset; /* asset tag string */
uint8_t part; /* part number string */
uint8_t attributes; /* attributes */
uint32_t xsize; /* extended size in mbs */
uint16_t curspeed; /* current speed in mhz */
uint16_t minvoltage; /* minimum voltage */
uint16_t maxvoltage; /* maximum voltage */
uint16_t curvoltage; /* configured voltage */
} __packed;
/*
* Memory Array Mapped Address
*/
struct smbios_table_type19 {
struct smbios_structure header;
uint32_t saddr; /* start phys addr in kb */
uint32_t eaddr; /* end phys addr in kb */
uint16_t arrayhand; /* physical mem array handle */
uint8_t width; /* num of dev in row */
uint64_t xsaddr; /* start phys addr in bytes */
uint64_t xeaddr; /* end phys addr in bytes */
} __packed;
/*
* System Boot Information
*/
#define SMBIOS_BOOT_NORMAL 0 /* no errors detected */
struct smbios_table_type32 {
struct smbios_structure header;
uint8_t reserved[6];
uint8_t status; /* boot status */
} __packed;
/*
* End-of-Table
*/
struct smbios_table_type127 {
struct smbios_structure header;
} __packed;
struct smbios_table_type0 smbios_type0_template = {
{ SMBIOS_TYPE_BIOS, sizeof (struct smbios_table_type0), 0 },
1, /* bios vendor string */
2, /* bios version string */
0xF000, /* bios address segment location */
3, /* bios release date */
0x0, /* bios size (64k * (n + 1) is the size in bytes) */
SMBIOS_FL_ISA | SMBIOS_FL_PCI | SMBIOS_FL_SHADOW |
SMBIOS_FL_CDBOOT | SMBIOS_FL_EDD,
{ SMBIOS_XB1_FL_ACPI, SMBIOS_XB2_FL_BBS | SMBIOS_XB2_FL_VM },
0x0, /* bios major release */
0x0, /* bios minor release */
0xff, /* embedded controller firmware major release */
0xff /* embedded controller firmware minor release */
};
const char *smbios_type0_strings[] = {
"BHYVE", /* vendor string */
__TIME__, /* bios version string */
__DATE__, /* bios release date string */
NULL
};
struct smbios_table_type1 smbios_type1_template = {
{ SMBIOS_TYPE_SYSTEM, sizeof (struct smbios_table_type1), 0 },
1, /* manufacturer string */
2, /* product string */
3, /* version string */
4, /* serial number string */
{ 0 },
SMBIOS_WAKEUP_SWITCH,
5, /* sku string */
6 /* family string */
};
static int smbios_type1_initializer(struct smbios_structure *template_entry,
const char **template_strings, char *curaddr, char **endaddr,
uint16_t *n, uint16_t *size);
const char *smbios_type1_strings[] = {
" ", /* manufacturer string */
"BHYVE", /* product name string */
"1.0", /* version string */
"None", /* serial number string */
"None", /* sku string */
" ", /* family name string */
NULL
};
struct smbios_table_type3 smbios_type3_template = {
{ SMBIOS_TYPE_CHASSIS, sizeof (struct smbios_table_type3), 0 },
1, /* manufacturer string */
SMBIOS_CHT_UNKNOWN,
2, /* version string */
3, /* serial number string */
4, /* asset tag string */
SMBIOS_CHST_SAFE,
SMBIOS_CHST_SAFE,
SMBIOS_CHST_SAFE,
SMBIOS_CHSC_NONE,
0, /* height in 'u's (0=enclosure height unspecified) */
0, /* number of power cords (0=number unspecified) */
0, /* number of contained element records */
0, /* length of records */
5 /* sku number string */
};
const char *smbios_type3_strings[] = {
" ", /* manufacturer string */
"1.0", /* version string */
"None", /* serial number string */
"None", /* asset tag string */
"None", /* sku number string */
NULL
};
struct smbios_table_type4 smbios_type4_template = {
{ SMBIOS_TYPE_PROCESSOR, sizeof (struct smbios_table_type4), 0 },
1, /* socket designation string */
SMBIOS_PRT_CENTRAL,
SMBIOS_PRF_OTHER,
2, /* manufacturer string */
0, /* cpuid */
3, /* version string */
0, /* voltage */
0, /* external clock frequency in mhz (0=unknown) */
0, /* maximum frequency in mhz (0=unknown) */
0, /* current frequency in mhz (0=unknown) */
SMBIOS_PRS_PRESENT | SMBIOS_PRS_ENABLED,
SMBIOS_PRU_NONE,
-1, /* l1 cache handle */
-1, /* l2 cache handle */
-1, /* l3 cache handle */
4, /* serial number string */
5, /* asset tag string */
6, /* part number string */
0, /* cores per socket (0=unknown) */
0, /* enabled cores per socket (0=unknown) */
0, /* threads per socket (0=unknown) */
SMBIOS_PFL_64B,
SMBIOS_PRF_OTHER
};
const char *smbios_type4_strings[] = {
" ", /* socket designation string */
" ", /* manufacturer string */
" ", /* version string */
"None", /* serial number string */
"None", /* asset tag string */
"None", /* part number string */
NULL
};
static int smbios_type4_initializer(struct smbios_structure *template_entry,
const char **template_strings, char *curaddr, char **endaddr,
uint16_t *n, uint16_t *size);
struct smbios_table_type16 smbios_type16_template = {
{ SMBIOS_TYPE_MEMARRAY, sizeof (struct smbios_table_type16), 0 },
SMBIOS_MAL_SYSMB,
SMBIOS_MAU_SYSTEM,
SMBIOS_MAE_NONE,
0x80000000, /* max mem capacity in kb (0x80000000=use extended) */
-1, /* handle of error (if any) */
0, /* number of slots or sockets (TBD) */
0 /* extended maximum memory capacity in bytes (TBD) */
};
static int smbios_type16_initializer(struct smbios_structure *template_entry,
const char **template_strings, char *curaddr, char **endaddr,
uint16_t *n, uint16_t *size);
struct smbios_table_type17 smbios_type17_template = {
{ SMBIOS_TYPE_MEMDEVICE, sizeof (struct smbios_table_type17), 0 },
-1, /* handle of physical memory array */
-1, /* handle of memory error data */
64, /* total width in bits including ecc */
64, /* data width in bits */
0x7fff, /* size in bytes (0x7fff=use extended)*/
SMBIOS_MDFF_UNKNOWN,
0, /* set (0x00=none, 0xff=unknown) */
1, /* device locator string */
2, /* physical bank locator string */
SMBIOS_MDT_UNKNOWN,
SMBIOS_MDF_UNKNOWN,
0, /* maximum memory speed in mhz (0=unknown) */
3, /* manufacturer string */
4, /* serial number string */
5, /* asset tag string */
6, /* part number string */
0, /* attributes (0=unknown rank information) */
0, /* extended size in mb (TBD) */
0, /* current speed in mhz (0=unknown) */
0, /* minimum voltage in mv (0=unknown) */
0, /* maximum voltage in mv (0=unknown) */
0 /* configured voltage in mv (0=unknown) */
};
const char *smbios_type17_strings[] = {
" ", /* device locator string */
" ", /* physical bank locator string */
" ", /* manufacturer string */
"None", /* serial number string */
"None", /* asset tag string */
"None", /* part number string */
NULL
};
static int smbios_type17_initializer(struct smbios_structure *template_entry,
const char **template_strings, char *curaddr, char **endaddr,
uint16_t *n, uint16_t *size);
struct smbios_table_type19 smbios_type19_template = {
{ SMBIOS_TYPE_MEMARRAYMAP, sizeof (struct smbios_table_type19), 0 },
0xffffffff, /* starting phys addr in kb (0xffffffff=use ext) */
0xffffffff, /* ending phys addr in kb (0xffffffff=use ext) */
-1, /* physical memory array handle */
1, /* number of devices that form a row */
0, /* extended starting phys addr in bytes (TDB) */
0 /* extended ending phys addr in bytes (TDB) */
};
static int smbios_type19_initializer(struct smbios_structure *template_entry,
const char **template_strings, char *curaddr, char **endaddr,
uint16_t *n, uint16_t *size);
struct smbios_table_type32 smbios_type32_template = {
{ SMBIOS_TYPE_BOOT, sizeof (struct smbios_table_type32), 0 },
{ 0, 0, 0, 0, 0, 0 },
SMBIOS_BOOT_NORMAL
};
struct smbios_table_type127 smbios_type127_template = {
{ SMBIOS_TYPE_EOT, sizeof (struct smbios_table_type127), 0 }
};
static int smbios_generic_initializer(struct smbios_structure *template_entry,
const char **template_strings, char *curaddr, char **endaddr,
uint16_t *n, uint16_t *size);
static struct smbios_template_entry smbios_template[] = {
{ (struct smbios_structure *)&smbios_type0_template,
smbios_type0_strings,
smbios_generic_initializer },
{ (struct smbios_structure *)&smbios_type1_template,
smbios_type1_strings,
smbios_type1_initializer },
{ (struct smbios_structure *)&smbios_type3_template,
smbios_type3_strings,
smbios_generic_initializer },
{ (struct smbios_structure *)&smbios_type4_template,
smbios_type4_strings,
smbios_type4_initializer },
{ (struct smbios_structure *)&smbios_type16_template,
NULL,
smbios_type16_initializer },
{ (struct smbios_structure *)&smbios_type17_template,
smbios_type17_strings,
smbios_type17_initializer },
{ (struct smbios_structure *)&smbios_type19_template,
NULL,
smbios_type19_initializer },
{ (struct smbios_structure *)&smbios_type32_template,
NULL,
smbios_generic_initializer },
{ (struct smbios_structure *)&smbios_type127_template,
NULL,
smbios_generic_initializer },
{ NULL,NULL, NULL }
};
static uint64_t guest_lomem, guest_himem;
static uint16_t type16_handle;
static int
smbios_generic_initializer(struct smbios_structure *template_entry,
const char **template_strings, char *curaddr, char **endaddr,
uint16_t *n, uint16_t *size)
{
struct smbios_structure *entry;
memcpy(curaddr, template_entry, template_entry->length);
entry = (struct smbios_structure *)curaddr;
entry->handle = *n + 1;
curaddr += entry->length;
if (template_strings != NULL) {
int i;
for (i = 0; template_strings[i] != NULL; i++) {
const char *string;
int len;
string = template_strings[i];
len = strlen(string) + 1;
memcpy(curaddr, string, len);
curaddr += len;
}
*curaddr = '\0';
curaddr++;
} else {
/* Minimum string section is double nul */
*curaddr = '\0';
curaddr++;
*curaddr = '\0';
curaddr++;
}
(*n)++;
*endaddr = curaddr;
return (0);
}
static int
smbios_type1_initializer(struct smbios_structure *template_entry,
const char **template_strings, char *curaddr, char **endaddr,
uint16_t *n, uint16_t *size)
{
struct smbios_table_type1 *type1;
smbios_generic_initializer(template_entry, template_strings,
curaddr, endaddr, n, size);
type1 = (struct smbios_table_type1 *)curaddr;
if (guest_uuid_str != NULL) {
uuid_t uuid;
uint32_t status;
uuid_from_string(guest_uuid_str, &uuid, &status);
if (status != uuid_s_ok)
return (-1);
uuid_enc_le(&type1->uuid, &uuid);
} else {
MD5_CTX mdctx;
u_char digest[16];
char hostname[MAXHOSTNAMELEN];
/*
* Universally unique and yet reproducible are an
* oxymoron, however reproducible is desirable in
* this case.
*/
if (gethostname(hostname, sizeof(hostname)))
return (-1);
MD5Init(&mdctx);
MD5Update(&mdctx, vmname, strlen(vmname));
MD5Update(&mdctx, hostname, sizeof(hostname));
MD5Final(digest, &mdctx);
/*
* Set the variant and version number.
*/
digest[6] &= 0x0F;
digest[6] |= 0x30; /* version 3 */
digest[8] &= 0x3F;
digest[8] |= 0x80;
memcpy(&type1->uuid, digest, sizeof (digest));
}
return (0);
}
static int
smbios_type4_initializer(struct smbios_structure *template_entry,
const char **template_strings, char *curaddr, char **endaddr,
uint16_t *n, uint16_t *size)
{
int i;
for (i = 0; i < guest_ncpus; i++) {
struct smbios_table_type4 *type4;
char *p;
int nstrings, len;
smbios_generic_initializer(template_entry, template_strings,
curaddr, endaddr, n, size);
type4 = (struct smbios_table_type4 *)curaddr;
p = curaddr + sizeof (struct smbios_table_type4);
nstrings = 0;
while (p < *endaddr - 1) {
if (*p++ == '\0')
nstrings++;
}
len = sprintf(*endaddr - 1, "CPU #%d", i) + 1;
*endaddr += len - 1;
*(*endaddr) = '\0';
(*endaddr)++;
type4->socket = nstrings + 1;
curaddr = *endaddr;
}
return (0);
}
static int
smbios_type16_initializer(struct smbios_structure *template_entry,
const char **template_strings, char *curaddr, char **endaddr,
uint16_t *n, uint16_t *size)
{
struct smbios_table_type16 *type16;
type16_handle = *n;
smbios_generic_initializer(template_entry, template_strings,
curaddr, endaddr, n, size);
type16 = (struct smbios_table_type16 *)curaddr;
type16->xsize = guest_lomem + guest_himem;
type16->ndevs = guest_himem > 0 ? 2 : 1;
return (0);
}
static int
smbios_type17_initializer(struct smbios_structure *template_entry,
const char **template_strings, char *curaddr, char **endaddr,
uint16_t *n, uint16_t *size)
{
struct smbios_table_type17 *type17;
smbios_generic_initializer(template_entry, template_strings,
curaddr, endaddr, n, size);
type17 = (struct smbios_table_type17 *)curaddr;
type17->arrayhand = type16_handle;
type17->xsize = guest_lomem;
if (guest_himem > 0) {
curaddr = *endaddr;
smbios_generic_initializer(template_entry, template_strings,
curaddr, endaddr, n, size);
type17 = (struct smbios_table_type17 *)curaddr;
type17->arrayhand = type16_handle;
type17->xsize = guest_himem;
}
return (0);
}
static int
smbios_type19_initializer(struct smbios_structure *template_entry,
const char **template_strings, char *curaddr, char **endaddr,
uint16_t *n, uint16_t *size)
{
struct smbios_table_type19 *type19;
smbios_generic_initializer(template_entry, template_strings,
curaddr, endaddr, n, size);
type19 = (struct smbios_table_type19 *)curaddr;
type19->arrayhand = type16_handle;
type19->xsaddr = 0;
type19->xeaddr = guest_lomem;
if (guest_himem > 0) {
curaddr = *endaddr;
smbios_generic_initializer(template_entry, template_strings,
curaddr, endaddr, n, size);
type19 = (struct smbios_table_type19 *)curaddr;
type19->arrayhand = type16_handle;
type19->xsaddr = 4*GB;
type19->xeaddr = guest_himem;
}
return (0);
}
static void
smbios_ep_initializer(struct smbios_entry_point *smbios_ep, uint32_t staddr)
{
memset(smbios_ep, 0, sizeof(*smbios_ep));
memcpy(smbios_ep->eanchor, SMBIOS_ENTRY_EANCHOR,
SMBIOS_ENTRY_EANCHORLEN);
smbios_ep->eplen = 0x1F;
assert(sizeof (struct smbios_entry_point) == smbios_ep->eplen);
smbios_ep->major = 2;
smbios_ep->minor = 4;
smbios_ep->revision = 0;
memcpy(smbios_ep->ianchor, SMBIOS_ENTRY_IANCHOR,
SMBIOS_ENTRY_IANCHORLEN);
smbios_ep->staddr = staddr;
smbios_ep->bcdrev = 0x24;
}
static void
smbios_ep_finalizer(struct smbios_entry_point *smbios_ep, uint16_t len,
uint16_t num, uint16_t maxssize)
{
uint8_t checksum;
int i;
smbios_ep->maxssize = maxssize;
smbios_ep->stlen = len;
smbios_ep->stnum = num;
checksum = 0;
for (i = 0x10; i < 0x1f; i++) {
checksum -= ((uint8_t *)smbios_ep)[i];
}
smbios_ep->ichecksum = checksum;
checksum = 0;
for (i = 0; i < 0x1f; i++) {
checksum -= ((uint8_t *)smbios_ep)[i];
}
smbios_ep->echecksum = checksum;
}
int
smbios_build(struct vmctx *ctx)
{
struct smbios_entry_point *smbios_ep;
uint16_t n;
uint16_t maxssize;
char *curaddr, *startaddr, *ststartaddr;
int i;
int err;
guest_lomem = vm_get_lowmem_size(ctx);
guest_himem = vm_get_highmem_size(ctx);
startaddr = paddr_guest2host(ctx, SMBIOS_BASE, SMBIOS_MAX_LENGTH);
if (startaddr == NULL) {
fprintf(stderr, "smbios table requires mapped mem\n");
return (ENOMEM);
}
curaddr = startaddr;
smbios_ep = (struct smbios_entry_point *)curaddr;
smbios_ep_initializer(smbios_ep, SMBIOS_BASE +
sizeof(struct smbios_entry_point));
curaddr += sizeof(struct smbios_entry_point);
ststartaddr = curaddr;
n = 0;
maxssize = 0;
for (i = 0; smbios_template[i].entry != NULL; i++) {
struct smbios_structure *entry;
const char **strings;
initializer_func_t initializer;
char *endaddr;
uint16_t size;
entry = smbios_template[i].entry;
strings = smbios_template[i].strings;
initializer = smbios_template[i].initializer;
err = (*initializer)(entry, strings, curaddr, &endaddr,
&n, &size);
if (err != 0)
return (err);
if (size > maxssize)
maxssize = size;
curaddr = endaddr;
}
assert(curaddr - startaddr < SMBIOS_MAX_LENGTH);
smbios_ep_finalizer(smbios_ep, curaddr - ststartaddr, n, maxssize);
return (0);
}
|