xref: /openbmc/qemu/hw/smbios/smbios.c (revision 66210a1a30f2384bb59f9dad8d769dba56dd30f1)
1  /*
2   * SMBIOS Support
3   *
4   * Copyright (C) 2009 Hewlett-Packard Development Company, L.P.
5   * Copyright (C) 2013 Red Hat, Inc.
6   *
7   * Authors:
8   *  Alex Williamson <alex.williamson@hp.com>
9   *  Markus Armbruster <armbru@redhat.com>
10   *
11   * This work is licensed under the terms of the GNU GPL, version 2.  See
12   * the COPYING file in the top-level directory.
13   *
14   * Contributions after 2012-01-13 are licensed under the terms of the
15   * GNU GPL, version 2 or (at your option) any later version.
16   */
17  
18  #include "qemu/osdep.h"
19  #include "qemu/units.h"
20  #include "qapi/error.h"
21  #include "qemu/config-file.h"
22  #include "qemu/module.h"
23  #include "qemu/option.h"
24  #include "sysemu/sysemu.h"
25  #include "qemu/uuid.h"
26  #include "hw/firmware/smbios.h"
27  #include "hw/loader.h"
28  #include "hw/boards.h"
29  #include "hw/pci/pci_bus.h"
30  #include "hw/pci/pci_device.h"
31  #include "smbios_build.h"
32  
33  static bool smbios_uuid_encoded = true;
34  /*
35   * SMBIOS tables provided by user with '-smbios file=<foo>' option
36   */
37  uint8_t *usr_blobs;
38  size_t usr_blobs_len;
39  static unsigned usr_table_max;
40  static unsigned usr_table_cnt;
41  
42  uint8_t *smbios_tables;
43  size_t smbios_tables_len;
44  unsigned smbios_table_max;
45  unsigned smbios_table_cnt;
46  
47  static SmbiosEntryPoint ep;
48  
49  static int smbios_type4_count = 0;
50  static bool smbios_have_defaults;
51  static uint32_t smbios_cpuid_version, smbios_cpuid_features;
52  
53  DECLARE_BITMAP(smbios_have_binfile_bitmap, SMBIOS_MAX_TYPE + 1);
54  DECLARE_BITMAP(smbios_have_fields_bitmap, SMBIOS_MAX_TYPE + 1);
55  
56  smbios_type0_t smbios_type0;
57  smbios_type1_t smbios_type1;
58  
59  static struct {
60      const char *manufacturer, *product, *version, *serial, *asset, *location;
61  } type2;
62  
63  static struct {
64      const char *manufacturer, *version, *serial, *asset, *sku;
65  } type3;
66  
67  /*
68   * SVVP requires max_speed and current_speed to be set and not being
69   * 0 which counts as unknown (SMBIOS 3.1.0/Table 21). Set the
70   * default value to 2000MHz as we did before.
71   */
72  #define DEFAULT_CPU_SPEED 2000
73  
74  static struct {
75      uint16_t processor_family;
76      const char *sock_pfx, *manufacturer, *version, *serial, *asset, *part;
77      uint64_t max_speed;
78      uint64_t current_speed;
79      uint64_t processor_id;
80  } type4 = {
81      .max_speed = DEFAULT_CPU_SPEED,
82      .current_speed = DEFAULT_CPU_SPEED,
83      .processor_id = 0,
84      .processor_family = 0x01, /* Other */
85  };
86  
87  struct type8_instance {
88      const char *internal_reference, *external_reference;
89      uint8_t connector_type, port_type;
90      QTAILQ_ENTRY(type8_instance) next;
91  };
92  static QTAILQ_HEAD(, type8_instance) type8 = QTAILQ_HEAD_INITIALIZER(type8);
93  
94  /* type 9 instance for parsing */
95  struct type9_instance {
96      const char *slot_designation, *pcidev;
97      uint8_t slot_type, slot_data_bus_width, current_usage, slot_length,
98              slot_characteristics1, slot_characteristics2;
99      uint16_t slot_id;
100      QTAILQ_ENTRY(type9_instance) next;
101  };
102  static QTAILQ_HEAD(, type9_instance) type9 = QTAILQ_HEAD_INITIALIZER(type9);
103  
104  static struct {
105      size_t nvalues;
106      char **values;
107  } type11;
108  
109  static struct {
110      const char *loc_pfx, *bank, *manufacturer, *serial, *asset, *part;
111      uint16_t speed;
112  } type17;
113  
114  static QEnumLookup type41_kind_lookup = {
115      .array = (const char *const[]) {
116          "other",
117          "unknown",
118          "video",
119          "scsi",
120          "ethernet",
121          "tokenring",
122          "sound",
123          "pata",
124          "sata",
125          "sas",
126      },
127      .size = 10
128  };
129  struct type41_instance {
130      const char *designation, *pcidev;
131      uint8_t instance, kind;
132      QTAILQ_ENTRY(type41_instance) next;
133  };
134  static QTAILQ_HEAD(, type41_instance) type41 = QTAILQ_HEAD_INITIALIZER(type41);
135  
136  static QemuOptsList qemu_smbios_opts = {
137      .name = "smbios",
138      .head = QTAILQ_HEAD_INITIALIZER(qemu_smbios_opts.head),
139      .desc = {
140          /*
141           * no elements => accept any params
142           * validation will happen later
143           */
144          { /* end of list */ }
145      }
146  };
147  
148  static const QemuOptDesc qemu_smbios_file_opts[] = {
149      {
150          .name = "file",
151          .type = QEMU_OPT_STRING,
152          .help = "binary file containing an SMBIOS element",
153      },
154      { /* end of list */ }
155  };
156  
157  static const QemuOptDesc qemu_smbios_type0_opts[] = {
158      {
159          .name = "type",
160          .type = QEMU_OPT_NUMBER,
161          .help = "SMBIOS element type",
162      },{
163          .name = "vendor",
164          .type = QEMU_OPT_STRING,
165          .help = "vendor name",
166      },{
167          .name = "version",
168          .type = QEMU_OPT_STRING,
169          .help = "version number",
170      },{
171          .name = "date",
172          .type = QEMU_OPT_STRING,
173          .help = "release date",
174      },{
175          .name = "release",
176          .type = QEMU_OPT_STRING,
177          .help = "revision number",
178      },{
179          .name = "uefi",
180          .type = QEMU_OPT_BOOL,
181          .help = "uefi support",
182      },
183      { /* end of list */ }
184  };
185  
186  static const QemuOptDesc qemu_smbios_type1_opts[] = {
187      {
188          .name = "type",
189          .type = QEMU_OPT_NUMBER,
190          .help = "SMBIOS element type",
191      },{
192          .name = "manufacturer",
193          .type = QEMU_OPT_STRING,
194          .help = "manufacturer name",
195      },{
196          .name = "product",
197          .type = QEMU_OPT_STRING,
198          .help = "product name",
199      },{
200          .name = "version",
201          .type = QEMU_OPT_STRING,
202          .help = "version number",
203      },{
204          .name = "serial",
205          .type = QEMU_OPT_STRING,
206          .help = "serial number",
207      },{
208          .name = "uuid",
209          .type = QEMU_OPT_STRING,
210          .help = "UUID",
211      },{
212          .name = "sku",
213          .type = QEMU_OPT_STRING,
214          .help = "SKU number",
215      },{
216          .name = "family",
217          .type = QEMU_OPT_STRING,
218          .help = "family name",
219      },
220      { /* end of list */ }
221  };
222  
223  static const QemuOptDesc qemu_smbios_type2_opts[] = {
224      {
225          .name = "type",
226          .type = QEMU_OPT_NUMBER,
227          .help = "SMBIOS element type",
228      },{
229          .name = "manufacturer",
230          .type = QEMU_OPT_STRING,
231          .help = "manufacturer name",
232      },{
233          .name = "product",
234          .type = QEMU_OPT_STRING,
235          .help = "product name",
236      },{
237          .name = "version",
238          .type = QEMU_OPT_STRING,
239          .help = "version number",
240      },{
241          .name = "serial",
242          .type = QEMU_OPT_STRING,
243          .help = "serial number",
244      },{
245          .name = "asset",
246          .type = QEMU_OPT_STRING,
247          .help = "asset tag number",
248      },{
249          .name = "location",
250          .type = QEMU_OPT_STRING,
251          .help = "location in chassis",
252      },
253      { /* end of list */ }
254  };
255  
256  static const QemuOptDesc qemu_smbios_type3_opts[] = {
257      {
258          .name = "type",
259          .type = QEMU_OPT_NUMBER,
260          .help = "SMBIOS element type",
261      },{
262          .name = "manufacturer",
263          .type = QEMU_OPT_STRING,
264          .help = "manufacturer name",
265      },{
266          .name = "version",
267          .type = QEMU_OPT_STRING,
268          .help = "version number",
269      },{
270          .name = "serial",
271          .type = QEMU_OPT_STRING,
272          .help = "serial number",
273      },{
274          .name = "asset",
275          .type = QEMU_OPT_STRING,
276          .help = "asset tag number",
277      },{
278          .name = "sku",
279          .type = QEMU_OPT_STRING,
280          .help = "SKU number",
281      },
282      { /* end of list */ }
283  };
284  
285  static const QemuOptDesc qemu_smbios_type4_opts[] = {
286      {
287          .name = "type",
288          .type = QEMU_OPT_NUMBER,
289          .help = "SMBIOS element type",
290      },{
291          .name = "sock_pfx",
292          .type = QEMU_OPT_STRING,
293          .help = "socket designation string prefix",
294      },{
295          .name = "manufacturer",
296          .type = QEMU_OPT_STRING,
297          .help = "manufacturer name",
298      },{
299          .name = "version",
300          .type = QEMU_OPT_STRING,
301          .help = "version number",
302      },{
303          .name = "max-speed",
304          .type = QEMU_OPT_NUMBER,
305          .help = "max speed in MHz",
306      },{
307          .name = "current-speed",
308          .type = QEMU_OPT_NUMBER,
309          .help = "speed at system boot in MHz",
310      },{
311          .name = "serial",
312          .type = QEMU_OPT_STRING,
313          .help = "serial number",
314      },{
315          .name = "asset",
316          .type = QEMU_OPT_STRING,
317          .help = "asset tag number",
318      },{
319          .name = "part",
320          .type = QEMU_OPT_STRING,
321          .help = "part number",
322      }, {
323          .name = "processor-family",
324          .type = QEMU_OPT_NUMBER,
325          .help = "processor family",
326      }, {
327          .name = "processor-id",
328          .type = QEMU_OPT_NUMBER,
329          .help = "processor id",
330      },
331      { /* end of list */ }
332  };
333  
334  static const QemuOptDesc qemu_smbios_type8_opts[] = {
335      {
336          .name = "type",
337          .type = QEMU_OPT_NUMBER,
338          .help = "SMBIOS element type",
339      },
340      {
341          .name = "internal_reference",
342          .type = QEMU_OPT_STRING,
343          .help = "internal reference designator",
344      },
345      {
346          .name = "external_reference",
347          .type = QEMU_OPT_STRING,
348          .help = "external reference designator",
349      },
350      {
351          .name = "connector_type",
352          .type = QEMU_OPT_NUMBER,
353          .help = "connector type",
354      },
355      {
356          .name = "port_type",
357          .type = QEMU_OPT_NUMBER,
358          .help = "port type",
359      },
360      { /* end of list */ }
361  };
362  
363  static const QemuOptDesc qemu_smbios_type9_opts[] = {
364      {
365          .name = "type",
366          .type = QEMU_OPT_NUMBER,
367          .help = "SMBIOS element type",
368      },
369      {
370          .name = "slot_designation",
371          .type = QEMU_OPT_STRING,
372          .help = "string number for reference designation",
373      },
374      {
375          .name = "slot_type",
376          .type = QEMU_OPT_NUMBER,
377          .help = "connector type",
378      },
379      {
380          .name = "slot_data_bus_width",
381          .type = QEMU_OPT_NUMBER,
382          .help = "port type",
383      },
384      {
385          .name = "current_usage",
386          .type = QEMU_OPT_NUMBER,
387          .help = "current usage",
388      },
389      {
390          .name = "slot_length",
391          .type = QEMU_OPT_NUMBER,
392          .help = "system slot length",
393      },
394      {
395          .name = "slot_id",
396          .type = QEMU_OPT_NUMBER,
397          .help = "system slot id",
398      },
399      {
400          .name = "slot_characteristics1",
401          .type = QEMU_OPT_NUMBER,
402          .help = "slot characteristics1, see the spec",
403      },
404      {
405          .name = "slot_characteristics2",
406          .type = QEMU_OPT_NUMBER,
407          .help = "slot characteristics2, see the spec",
408      },
409      {
410          .name = "pci_device",
411          .type = QEMU_OPT_STRING,
412          .help = "PCI device, if provided."
413      }
414  };
415  
416  static const QemuOptDesc qemu_smbios_type11_opts[] = {
417      {
418          .name = "type",
419          .type = QEMU_OPT_NUMBER,
420          .help = "SMBIOS element type",
421      },
422      {
423          .name = "value",
424          .type = QEMU_OPT_STRING,
425          .help = "OEM string data",
426      },
427      {
428          .name = "path",
429          .type = QEMU_OPT_STRING,
430          .help = "OEM string data from file",
431      },
432      { /* end of list */ }
433  };
434  
435  static const QemuOptDesc qemu_smbios_type17_opts[] = {
436      {
437          .name = "type",
438          .type = QEMU_OPT_NUMBER,
439          .help = "SMBIOS element type",
440      },{
441          .name = "loc_pfx",
442          .type = QEMU_OPT_STRING,
443          .help = "device locator string prefix",
444      },{
445          .name = "bank",
446          .type = QEMU_OPT_STRING,
447          .help = "bank locator string",
448      },{
449          .name = "manufacturer",
450          .type = QEMU_OPT_STRING,
451          .help = "manufacturer name",
452      },{
453          .name = "serial",
454          .type = QEMU_OPT_STRING,
455          .help = "serial number",
456      },{
457          .name = "asset",
458          .type = QEMU_OPT_STRING,
459          .help = "asset tag number",
460      },{
461          .name = "part",
462          .type = QEMU_OPT_STRING,
463          .help = "part number",
464      },{
465          .name = "speed",
466          .type = QEMU_OPT_NUMBER,
467          .help = "maximum capable speed",
468      },
469      { /* end of list */ }
470  };
471  
472  static const QemuOptDesc qemu_smbios_type41_opts[] = {
473      {
474          .name = "type",
475          .type = QEMU_OPT_NUMBER,
476          .help = "SMBIOS element type",
477      },{
478          .name = "designation",
479          .type = QEMU_OPT_STRING,
480          .help = "reference designation string",
481      },{
482          .name = "kind",
483          .type = QEMU_OPT_STRING,
484          .help = "device type",
485          .def_value_str = "other",
486      },{
487          .name = "instance",
488          .type = QEMU_OPT_NUMBER,
489          .help = "device type instance",
490      },{
491          .name = "pcidev",
492          .type = QEMU_OPT_STRING,
493          .help = "PCI device",
494      },
495      { /* end of list */ }
496  };
497  
498  static void smbios_register_config(void)
499  {
500      qemu_add_opts(&qemu_smbios_opts);
501  }
502  
503  opts_init(smbios_register_config);
504  
505  /*
506   * The SMBIOS 2.1 "structure table length" field in the
507   * entry point uses a 16-bit integer, so we're limited
508   * in total table size
509   */
510  #define SMBIOS_21_MAX_TABLES_LEN 0xffff
511  
512  static bool smbios_check_type4_count(uint32_t expected_t4_count, Error **errp)
513  {
514      if (smbios_type4_count && smbios_type4_count != expected_t4_count) {
515          error_setg(errp, "Expected %d SMBIOS Type 4 tables, got %d instead",
516                     expected_t4_count, smbios_type4_count);
517          return false;
518      }
519      return true;
520  }
521  
522  bool smbios_validate_table(SmbiosEntryPointType ep_type, Error **errp)
523  {
524      if (ep_type == SMBIOS_ENTRY_POINT_TYPE_32 &&
525          smbios_tables_len > SMBIOS_21_MAX_TABLES_LEN) {
526          error_setg(errp, "SMBIOS 2.1 table length %zu exceeds %d",
527                     smbios_tables_len, SMBIOS_21_MAX_TABLES_LEN);
528          return false;
529      }
530      return true;
531  }
532  
533  bool smbios_skip_table(uint8_t type, bool required_table)
534  {
535      if (test_bit(type, smbios_have_binfile_bitmap)) {
536          return true; /* user provided their own binary blob(s) */
537      }
538      if (test_bit(type, smbios_have_fields_bitmap)) {
539          return false; /* user provided fields via command line */
540      }
541      if (smbios_have_defaults && required_table) {
542          return false; /* we're building tables, and this one's required */
543      }
544      return true;
545  }
546  
547  #define T0_BASE 0x000
548  #define T1_BASE 0x100
549  #define T2_BASE 0x200
550  #define T3_BASE 0x300
551  #define T4_BASE 0x400
552  #define T9_BASE 0x900
553  #define T11_BASE 0xe00
554  
555  #define T16_BASE 0x1000
556  #define T17_BASE 0x1100
557  #define T19_BASE 0x1300
558  #define T32_BASE 0x2000
559  #define T41_BASE 0x2900
560  #define T127_BASE 0x7F00
561  
562  static void smbios_build_type_0_table(void)
563  {
564      SMBIOS_BUILD_TABLE_PRE(0, T0_BASE, false); /* optional, leave up to BIOS */
565  
566      SMBIOS_TABLE_SET_STR(0, vendor_str, smbios_type0.vendor);
567      SMBIOS_TABLE_SET_STR(0, bios_version_str, smbios_type0.version);
568  
569      t->bios_starting_address_segment = cpu_to_le16(0xE800); /* from SeaBIOS */
570  
571      SMBIOS_TABLE_SET_STR(0, bios_release_date_str, smbios_type0.date);
572  
573      t->bios_rom_size = 0; /* hardcoded in SeaBIOS with FIXME comment */
574  
575      t->bios_characteristics = cpu_to_le64(0x08); /* Not supported */
576      t->bios_characteristics_extension_bytes[0] = 0;
577      t->bios_characteristics_extension_bytes[1] = 0x14; /* TCD/SVVP | VM */
578      if (smbios_type0.uefi) {
579          t->bios_characteristics_extension_bytes[1] |= 0x08; /* |= UEFI */
580      }
581  
582      if (smbios_type0.have_major_minor) {
583          t->system_bios_major_release = smbios_type0.major;
584          t->system_bios_minor_release = smbios_type0.minor;
585      } else {
586          t->system_bios_major_release = 0;
587          t->system_bios_minor_release = 0;
588      }
589  
590      /* hardcoded in SeaBIOS */
591      t->embedded_controller_major_release = 0xFF;
592      t->embedded_controller_minor_release = 0xFF;
593  
594      SMBIOS_BUILD_TABLE_POST;
595  }
596  
597  /* Encode UUID from the big endian encoding described on RFC4122 to the wire
598   * format specified by SMBIOS version 2.6.
599   */
600  static void smbios_encode_uuid(struct smbios_uuid *uuid, QemuUUID *in)
601  {
602      memcpy(uuid, in, 16);
603      if (smbios_uuid_encoded) {
604          uuid->time_low = bswap32(uuid->time_low);
605          uuid->time_mid = bswap16(uuid->time_mid);
606          uuid->time_hi_and_version = bswap16(uuid->time_hi_and_version);
607      }
608  }
609  
610  static void smbios_build_type_1_table(void)
611  {
612      SMBIOS_BUILD_TABLE_PRE(1, T1_BASE, true); /* required */
613  
614      SMBIOS_TABLE_SET_STR(1, manufacturer_str, smbios_type1.manufacturer);
615      SMBIOS_TABLE_SET_STR(1, product_name_str, smbios_type1.product);
616      SMBIOS_TABLE_SET_STR(1, version_str, smbios_type1.version);
617      SMBIOS_TABLE_SET_STR(1, serial_number_str, smbios_type1.serial);
618      if (qemu_uuid_set) {
619          smbios_encode_uuid(&t->uuid, &qemu_uuid);
620      } else {
621          memset(&t->uuid, 0, 16);
622      }
623      t->wake_up_type = 0x06; /* power switch */
624      SMBIOS_TABLE_SET_STR(1, sku_number_str, smbios_type1.sku);
625      SMBIOS_TABLE_SET_STR(1, family_str, smbios_type1.family);
626  
627      SMBIOS_BUILD_TABLE_POST;
628  }
629  
630  static void smbios_build_type_2_table(void)
631  {
632      SMBIOS_BUILD_TABLE_PRE(2, T2_BASE, false); /* optional */
633  
634      SMBIOS_TABLE_SET_STR(2, manufacturer_str, type2.manufacturer);
635      SMBIOS_TABLE_SET_STR(2, product_str, type2.product);
636      SMBIOS_TABLE_SET_STR(2, version_str, type2.version);
637      SMBIOS_TABLE_SET_STR(2, serial_number_str, type2.serial);
638      SMBIOS_TABLE_SET_STR(2, asset_tag_number_str, type2.asset);
639      t->feature_flags = 0x01; /* Motherboard */
640      SMBIOS_TABLE_SET_STR(2, location_str, type2.location);
641      t->chassis_handle = cpu_to_le16(0x300); /* Type 3 (System enclosure) */
642      t->board_type = 0x0A; /* Motherboard */
643      t->contained_element_count = 0;
644  
645      SMBIOS_BUILD_TABLE_POST;
646  }
647  
648  static void smbios_build_type_3_table(void)
649  {
650      SMBIOS_BUILD_TABLE_PRE(3, T3_BASE, true); /* required */
651  
652      SMBIOS_TABLE_SET_STR(3, manufacturer_str, type3.manufacturer);
653      t->type = 0x01; /* Other */
654      SMBIOS_TABLE_SET_STR(3, version_str, type3.version);
655      SMBIOS_TABLE_SET_STR(3, serial_number_str, type3.serial);
656      SMBIOS_TABLE_SET_STR(3, asset_tag_number_str, type3.asset);
657      t->boot_up_state = 0x03; /* Safe */
658      t->power_supply_state = 0x03; /* Safe */
659      t->thermal_state = 0x03; /* Safe */
660      t->security_status = 0x02; /* Unknown */
661      t->oem_defined = cpu_to_le32(0);
662      t->height = 0;
663      t->number_of_power_cords = 0;
664      t->contained_element_count = 0;
665      t->contained_element_record_length = 0;
666      SMBIOS_TABLE_SET_STR(3, sku_number_str, type3.sku);
667  
668      SMBIOS_BUILD_TABLE_POST;
669  }
670  
671  static void smbios_build_type_4_table(MachineState *ms, unsigned instance,
672                                        SmbiosEntryPointType ep_type,
673                                        Error **errp)
674  {
675      char sock_str[128];
676      size_t tbl_len = SMBIOS_TYPE_4_LEN_V28;
677      unsigned threads_per_socket;
678      unsigned cores_per_socket;
679  
680      if (ep_type == SMBIOS_ENTRY_POINT_TYPE_64) {
681          tbl_len = SMBIOS_TYPE_4_LEN_V30;
682      }
683  
684      SMBIOS_BUILD_TABLE_PRE_SIZE(4, T4_BASE + instance,
685                                  true, tbl_len); /* required */
686  
687      snprintf(sock_str, sizeof(sock_str), "%s%2x", type4.sock_pfx, instance);
688      SMBIOS_TABLE_SET_STR(4, socket_designation_str, sock_str);
689      t->processor_type = 0x03; /* CPU */
690      t->processor_family = 0xfe; /* use Processor Family 2 field */
691      SMBIOS_TABLE_SET_STR(4, processor_manufacturer_str, type4.manufacturer);
692      if (type4.processor_id == 0) {
693          t->processor_id[0] = cpu_to_le32(smbios_cpuid_version);
694          t->processor_id[1] = cpu_to_le32(smbios_cpuid_features);
695      } else {
696          t->processor_id[0] = cpu_to_le32((uint32_t)type4.processor_id);
697          t->processor_id[1] = cpu_to_le32(type4.processor_id >> 32);
698      }
699      SMBIOS_TABLE_SET_STR(4, processor_version_str, type4.version);
700      t->voltage = 0;
701      t->external_clock = cpu_to_le16(0); /* Unknown */
702      t->max_speed = cpu_to_le16(type4.max_speed);
703      t->current_speed = cpu_to_le16(type4.current_speed);
704      t->status = 0x41; /* Socket populated, CPU enabled */
705      t->processor_upgrade = 0x01; /* Other */
706      t->l1_cache_handle = cpu_to_le16(0xFFFF); /* N/A */
707      t->l2_cache_handle = cpu_to_le16(0xFFFF); /* N/A */
708      t->l3_cache_handle = cpu_to_le16(0xFFFF); /* N/A */
709      SMBIOS_TABLE_SET_STR(4, serial_number_str, type4.serial);
710      SMBIOS_TABLE_SET_STR(4, asset_tag_number_str, type4.asset);
711      SMBIOS_TABLE_SET_STR(4, part_number_str, type4.part);
712  
713      threads_per_socket = machine_topo_get_threads_per_socket(ms);
714      cores_per_socket = machine_topo_get_cores_per_socket(ms);
715  
716      t->core_count = (cores_per_socket > 255) ? 0xFF : cores_per_socket;
717      t->core_enabled = t->core_count;
718  
719      t->thread_count = (threads_per_socket > 255) ? 0xFF : threads_per_socket;
720  
721      t->processor_characteristics = cpu_to_le16(0x02); /* Unknown */
722      t->processor_family2 = cpu_to_le16(type4.processor_family);
723  
724      if (tbl_len == SMBIOS_TYPE_4_LEN_V30) {
725          t->core_count2 = t->core_enabled2 = cpu_to_le16(cores_per_socket);
726          t->thread_count2 = cpu_to_le16(threads_per_socket);
727      } else if (t->core_count == 0xFF || t->thread_count == 0xFF) {
728          error_setg(errp, "SMBIOS 2.0 doesn't support number of processor "
729                           "cores/threads more than 255, use "
730                           "-machine smbios-entry-point-type=64 option to enable "
731                           "SMBIOS 3.0 support");
732          return;
733      }
734  
735      SMBIOS_BUILD_TABLE_POST;
736      smbios_type4_count++;
737  }
738  
739  static void smbios_build_type_8_table(void)
740  {
741      unsigned instance = 0;
742      struct type8_instance *t8;
743  
744      QTAILQ_FOREACH(t8, &type8, next) {
745          SMBIOS_BUILD_TABLE_PRE(8, T0_BASE + instance, true);
746  
747          SMBIOS_TABLE_SET_STR(8, internal_reference_str, t8->internal_reference);
748          SMBIOS_TABLE_SET_STR(8, external_reference_str, t8->external_reference);
749          /* most vendors seem to set this to None */
750          t->internal_connector_type = 0x0;
751          t->external_connector_type = t8->connector_type;
752          t->port_type = t8->port_type;
753  
754          SMBIOS_BUILD_TABLE_POST;
755          instance++;
756      }
757  }
758  
759  static void smbios_build_type_9_table(Error **errp)
760  {
761      unsigned instance = 0;
762      struct type9_instance *t9;
763  
764      QTAILQ_FOREACH(t9, &type9, next) {
765          SMBIOS_BUILD_TABLE_PRE(9, T9_BASE + instance, true);
766  
767          SMBIOS_TABLE_SET_STR(9, slot_designation, t9->slot_designation);
768          t->slot_type = t9->slot_type;
769          t->slot_data_bus_width = t9->slot_data_bus_width;
770          t->current_usage = t9->current_usage;
771          t->slot_length = t9->slot_length;
772          t->slot_id = t9->slot_id;
773          t->slot_characteristics1 = t9->slot_characteristics1;
774          t->slot_characteristics2 = t9->slot_characteristics2;
775  
776          if (t9->pcidev) {
777              PCIDevice *pdev = NULL;
778              int rc = pci_qdev_find_device(t9->pcidev, &pdev);
779              if (rc != 0) {
780                  error_setg(errp,
781                             "No PCI device %s for SMBIOS type 9 entry %s",
782                             t9->pcidev, t9->slot_designation);
783                  return;
784              }
785              /*
786               * We only handle the case were the device is attached to
787               * the PCI root bus. The general case is more complex as
788               * bridges are enumerated later and the table would need
789               * to be updated at this moment.
790               */
791              if (!pci_bus_is_root(pci_get_bus(pdev))) {
792                  error_setg(errp,
793                             "Cannot create type 9 entry for PCI device %s: "
794                             "not attached to the root bus",
795                             t9->pcidev);
796                  return;
797              }
798              t->segment_group_number = cpu_to_le16(0);
799              t->bus_number = pci_dev_bus_num(pdev);
800              t->device_number = pdev->devfn;
801          } else {
802              /*
803               * Per SMBIOS spec, For slots that are not of the PCI, AGP, PCI-X,
804               * or PCI-Express type that do not have bus/device/function
805               * information, 0FFh should be populated in the fields of Segment
806               * Group Number, Bus Number, Device/Function Number.
807               */
808              t->segment_group_number = 0xff;
809              t->bus_number = 0xff;
810              t->device_number = 0xff;
811          }
812  
813          SMBIOS_BUILD_TABLE_POST;
814          instance++;
815      }
816  }
817  
818  static void smbios_build_type_11_table(void)
819  {
820      char count_str[128];
821      size_t i;
822  
823      if (type11.nvalues == 0) {
824          return;
825      }
826  
827      SMBIOS_BUILD_TABLE_PRE(11, T11_BASE, true); /* required */
828  
829      snprintf(count_str, sizeof(count_str), "%zu", type11.nvalues);
830      t->count = type11.nvalues;
831  
832      for (i = 0; i < type11.nvalues; i++) {
833          SMBIOS_TABLE_SET_STR_LIST(11, type11.values[i]);
834          g_free(type11.values[i]);
835          type11.values[i] = NULL;
836      }
837  
838      SMBIOS_BUILD_TABLE_POST;
839  }
840  
841  #define MAX_T16_STD_SZ 0x80000000 /* 2T in Kilobytes */
842  
843  static void smbios_build_type_16_table(unsigned dimm_cnt)
844  {
845      uint64_t size_kb;
846  
847      SMBIOS_BUILD_TABLE_PRE(16, T16_BASE, true); /* required */
848  
849      t->location = 0x01; /* Other */
850      t->use = 0x03; /* System memory */
851      t->error_correction = 0x06; /* Multi-bit ECC (for Microsoft, per SeaBIOS) */
852      size_kb = QEMU_ALIGN_UP(current_machine->ram_size, KiB) / KiB;
853      if (size_kb < MAX_T16_STD_SZ) {
854          t->maximum_capacity = cpu_to_le32(size_kb);
855          t->extended_maximum_capacity = cpu_to_le64(0);
856      } else {
857          t->maximum_capacity = cpu_to_le32(MAX_T16_STD_SZ);
858          t->extended_maximum_capacity = cpu_to_le64(current_machine->ram_size);
859      }
860      t->memory_error_information_handle = cpu_to_le16(0xFFFE); /* Not provided */
861      t->number_of_memory_devices = cpu_to_le16(dimm_cnt);
862  
863      SMBIOS_BUILD_TABLE_POST;
864  }
865  
866  #define MAX_T17_STD_SZ 0x7FFF /* (32G - 1M), in Megabytes */
867  #define MAX_T17_EXT_SZ 0x80000000 /* 2P, in Megabytes */
868  
869  static void smbios_build_type_17_table(unsigned instance, uint64_t size)
870  {
871      char loc_str[128];
872      uint64_t size_mb;
873  
874      SMBIOS_BUILD_TABLE_PRE(17, T17_BASE + instance, true); /* required */
875  
876      t->physical_memory_array_handle = cpu_to_le16(0x1000); /* Type 16 above */
877      t->memory_error_information_handle = cpu_to_le16(0xFFFE); /* Not provided */
878      t->total_width = cpu_to_le16(0xFFFF); /* Unknown */
879      t->data_width = cpu_to_le16(0xFFFF); /* Unknown */
880      size_mb = QEMU_ALIGN_UP(size, MiB) / MiB;
881      if (size_mb < MAX_T17_STD_SZ) {
882          t->size = cpu_to_le16(size_mb);
883          t->extended_size = cpu_to_le32(0);
884      } else {
885          assert(size_mb < MAX_T17_EXT_SZ);
886          t->size = cpu_to_le16(MAX_T17_STD_SZ);
887          t->extended_size = cpu_to_le32(size_mb);
888      }
889      t->form_factor = 0x09; /* DIMM */
890      t->device_set = 0; /* Not in a set */
891      snprintf(loc_str, sizeof(loc_str), "%s %d", type17.loc_pfx, instance);
892      SMBIOS_TABLE_SET_STR(17, device_locator_str, loc_str);
893      SMBIOS_TABLE_SET_STR(17, bank_locator_str, type17.bank);
894      t->memory_type = 0x07; /* RAM */
895      t->type_detail = cpu_to_le16(0x02); /* Other */
896      t->speed = cpu_to_le16(type17.speed);
897      SMBIOS_TABLE_SET_STR(17, manufacturer_str, type17.manufacturer);
898      SMBIOS_TABLE_SET_STR(17, serial_number_str, type17.serial);
899      SMBIOS_TABLE_SET_STR(17, asset_tag_number_str, type17.asset);
900      SMBIOS_TABLE_SET_STR(17, part_number_str, type17.part);
901      t->attributes = 0; /* Unknown */
902      t->configured_clock_speed = t->speed; /* reuse value for max speed */
903      t->minimum_voltage = cpu_to_le16(0); /* Unknown */
904      t->maximum_voltage = cpu_to_le16(0); /* Unknown */
905      t->configured_voltage = cpu_to_le16(0); /* Unknown */
906  
907      SMBIOS_BUILD_TABLE_POST;
908  }
909  
910  static void smbios_build_type_19_table(unsigned instance, unsigned offset,
911                                         uint64_t start, uint64_t size)
912  {
913      uint64_t end, start_kb, end_kb;
914  
915      SMBIOS_BUILD_TABLE_PRE(19, T19_BASE + offset + instance,
916                             true); /* required */
917  
918      end = start + size - 1;
919      assert(end > start);
920      start_kb = start / KiB;
921      end_kb = end / KiB;
922      if (start_kb < UINT32_MAX && end_kb < UINT32_MAX) {
923          t->starting_address = cpu_to_le32(start_kb);
924          t->ending_address = cpu_to_le32(end_kb);
925          t->extended_starting_address =
926              t->extended_ending_address = cpu_to_le64(0);
927      } else {
928          t->starting_address = t->ending_address = cpu_to_le32(UINT32_MAX);
929          t->extended_starting_address = cpu_to_le64(start);
930          t->extended_ending_address = cpu_to_le64(end);
931      }
932      t->memory_array_handle = cpu_to_le16(0x1000); /* Type 16 above */
933      t->partition_width = 1; /* One device per row */
934  
935      SMBIOS_BUILD_TABLE_POST;
936  }
937  
938  static void smbios_build_type_32_table(void)
939  {
940      SMBIOS_BUILD_TABLE_PRE(32, T32_BASE, true); /* required */
941  
942      memset(t->reserved, 0, 6);
943      t->boot_status = 0; /* No errors detected */
944  
945      SMBIOS_BUILD_TABLE_POST;
946  }
947  
948  static void smbios_build_type_41_table(Error **errp)
949  {
950      unsigned instance = 0;
951      struct type41_instance *t41;
952  
953      QTAILQ_FOREACH(t41, &type41, next) {
954          SMBIOS_BUILD_TABLE_PRE(41, T41_BASE + instance, true);
955  
956          SMBIOS_TABLE_SET_STR(41, reference_designation_str, t41->designation);
957          t->device_type = t41->kind;
958          t->device_type_instance = t41->instance;
959          t->segment_group_number = cpu_to_le16(0);
960          t->bus_number = 0;
961          t->device_number = 0;
962  
963          if (t41->pcidev) {
964              PCIDevice *pdev = NULL;
965              int rc = pci_qdev_find_device(t41->pcidev, &pdev);
966              if (rc != 0) {
967                  error_setg(errp,
968                             "No PCI device %s for SMBIOS type 41 entry %s",
969                             t41->pcidev, t41->designation);
970                  return;
971              }
972              /*
973               * We only handle the case were the device is attached to
974               * the PCI root bus. The general case is more complex as
975               * bridges are enumerated later and the table would need
976               * to be updated at this moment.
977               */
978              if (!pci_bus_is_root(pci_get_bus(pdev))) {
979                  error_setg(errp,
980                             "Cannot create type 41 entry for PCI device %s: "
981                             "not attached to the root bus",
982                             t41->pcidev);
983                  return;
984              }
985              t->segment_group_number = cpu_to_le16(0);
986              t->bus_number = pci_dev_bus_num(pdev);
987              t->device_number = pdev->devfn;
988          }
989  
990          SMBIOS_BUILD_TABLE_POST;
991          instance++;
992      }
993  }
994  
995  static void smbios_build_type_127_table(void)
996  {
997      SMBIOS_BUILD_TABLE_PRE(127, T127_BASE, true); /* required */
998      SMBIOS_BUILD_TABLE_POST;
999  }
1000  
1001  void smbios_set_cpuid(uint32_t version, uint32_t features)
1002  {
1003      smbios_cpuid_version = version;
1004      smbios_cpuid_features = features;
1005  }
1006  
1007  #define SMBIOS_SET_DEFAULT(field, value)                                  \
1008      if (!field) {                                                         \
1009          field = value;                                                    \
1010      }
1011  
1012  void smbios_set_default_processor_family(uint16_t processor_family)
1013  {
1014      if (type4.processor_family <= 0x01) {
1015          type4.processor_family = processor_family;
1016      }
1017  }
1018  
1019  void smbios_set_defaults(const char *manufacturer, const char *product,
1020                           const char *version,
1021                           bool uuid_encoded)
1022  {
1023      smbios_have_defaults = true;
1024      smbios_uuid_encoded = uuid_encoded;
1025  
1026      SMBIOS_SET_DEFAULT(smbios_type1.manufacturer, manufacturer);
1027      SMBIOS_SET_DEFAULT(smbios_type1.product, product);
1028      SMBIOS_SET_DEFAULT(smbios_type1.version, version);
1029      SMBIOS_SET_DEFAULT(type2.manufacturer, manufacturer);
1030      SMBIOS_SET_DEFAULT(type2.product, product);
1031      SMBIOS_SET_DEFAULT(type2.version, version);
1032      SMBIOS_SET_DEFAULT(type3.manufacturer, manufacturer);
1033      SMBIOS_SET_DEFAULT(type3.version, version);
1034      SMBIOS_SET_DEFAULT(type4.sock_pfx, "CPU");
1035      SMBIOS_SET_DEFAULT(type4.manufacturer, manufacturer);
1036      SMBIOS_SET_DEFAULT(type4.version, version);
1037      SMBIOS_SET_DEFAULT(type17.loc_pfx, "DIMM");
1038      SMBIOS_SET_DEFAULT(type17.manufacturer, manufacturer);
1039  }
1040  
1041  static void smbios_entry_point_setup(SmbiosEntryPointType ep_type)
1042  {
1043      switch (ep_type) {
1044      case SMBIOS_ENTRY_POINT_TYPE_32:
1045          memcpy(ep.ep21.anchor_string, "_SM_", 4);
1046          memcpy(ep.ep21.intermediate_anchor_string, "_DMI_", 5);
1047          ep.ep21.length = sizeof(struct smbios_21_entry_point);
1048          ep.ep21.entry_point_revision = 0; /* formatted_area reserved */
1049          memset(ep.ep21.formatted_area, 0, 5);
1050  
1051          /* compliant with smbios spec v2.8 */
1052          ep.ep21.smbios_major_version = 2;
1053          ep.ep21.smbios_minor_version = 8;
1054          ep.ep21.smbios_bcd_revision = 0x28;
1055  
1056          /* set during table construction, but BIOS may override: */
1057          ep.ep21.structure_table_length = cpu_to_le16(smbios_tables_len);
1058          ep.ep21.max_structure_size = cpu_to_le16(smbios_table_max);
1059          ep.ep21.number_of_structures = cpu_to_le16(smbios_table_cnt);
1060  
1061          /* BIOS must recalculate */
1062          ep.ep21.checksum = 0;
1063          ep.ep21.intermediate_checksum = 0;
1064          ep.ep21.structure_table_address = cpu_to_le32(0);
1065  
1066          break;
1067      case SMBIOS_ENTRY_POINT_TYPE_64:
1068          memcpy(ep.ep30.anchor_string, "_SM3_", 5);
1069          ep.ep30.length = sizeof(struct smbios_30_entry_point);
1070          ep.ep30.entry_point_revision = 1;
1071          ep.ep30.reserved = 0;
1072  
1073          /* compliant with smbios spec 3.0 */
1074          ep.ep30.smbios_major_version = 3;
1075          ep.ep30.smbios_minor_version = 0;
1076          ep.ep30.smbios_doc_rev = 0;
1077  
1078          /* set during table construct, but BIOS might override */
1079          ep.ep30.structure_table_max_size = cpu_to_le32(smbios_tables_len);
1080  
1081          /* BIOS must recalculate */
1082          ep.ep30.checksum = 0;
1083          ep.ep30.structure_table_address = cpu_to_le64(0);
1084  
1085          break;
1086      default:
1087          abort();
1088          break;
1089      }
1090  }
1091  
1092  static bool smbios_get_tables_ep(MachineState *ms,
1093                         SmbiosEntryPointType ep_type,
1094                         const struct smbios_phys_mem_area *mem_array,
1095                         const unsigned int mem_array_size,
1096                         uint8_t **tables, size_t *tables_len,
1097                         uint8_t **anchor, size_t *anchor_len,
1098                         Error **errp)
1099  {
1100      unsigned i, dimm_cnt, offset;
1101      ERRP_GUARD();
1102  
1103      assert(ep_type == SMBIOS_ENTRY_POINT_TYPE_32 ||
1104             ep_type == SMBIOS_ENTRY_POINT_TYPE_64);
1105  
1106      g_free(smbios_tables);
1107      smbios_type4_count = 0;
1108      smbios_tables = g_memdup2(usr_blobs, usr_blobs_len);
1109      smbios_tables_len = usr_blobs_len;
1110      smbios_table_max = usr_table_max;
1111      smbios_table_cnt = usr_table_cnt;
1112  
1113      smbios_build_type_0_table();
1114      smbios_build_type_1_table();
1115      smbios_build_type_2_table();
1116      smbios_build_type_3_table();
1117  
1118      assert(ms->smp.sockets >= 1);
1119  
1120      for (i = 0; i < ms->smp.sockets; i++) {
1121          smbios_build_type_4_table(ms, i, ep_type, errp);
1122          if (*errp) {
1123              goto err_exit;
1124          }
1125      }
1126  
1127      smbios_build_type_8_table();
1128      smbios_build_type_9_table(errp);
1129      smbios_build_type_11_table();
1130  
1131  #define MAX_DIMM_SZ (16 * GiB)
1132  #define GET_DIMM_SZ ((i < dimm_cnt - 1) ? MAX_DIMM_SZ \
1133                                          : ((current_machine->ram_size - 1) % MAX_DIMM_SZ) + 1)
1134  
1135      dimm_cnt = QEMU_ALIGN_UP(current_machine->ram_size, MAX_DIMM_SZ) /
1136                 MAX_DIMM_SZ;
1137  
1138      /*
1139       * The offset determines if we need to keep additional space between
1140       * table 17 and table 19 header handle numbers so that they do
1141       * not overlap. For example, for a VM with larger than 8 TB guest
1142       * memory and DIMM like chunks of 16 GiB, the default space between
1143       * the two tables (T19_BASE - T17_BASE = 512) is not enough.
1144       */
1145      offset = (dimm_cnt > (T19_BASE - T17_BASE)) ? \
1146               dimm_cnt - (T19_BASE - T17_BASE) : 0;
1147  
1148      smbios_build_type_16_table(dimm_cnt);
1149  
1150      for (i = 0; i < dimm_cnt; i++) {
1151          smbios_build_type_17_table(i, GET_DIMM_SZ);
1152      }
1153  
1154      for (i = 0; i < mem_array_size; i++) {
1155          smbios_build_type_19_table(i, offset, mem_array[i].address,
1156                                     mem_array[i].length);
1157      }
1158  
1159      /*
1160       * make sure 16 bit handle numbers in the headers of tables 19
1161       * and 32 do not overlap.
1162       */
1163      assert((mem_array_size + offset) < (T32_BASE - T19_BASE));
1164  
1165      smbios_build_type_32_table();
1166      smbios_build_type_38_table();
1167      smbios_build_type_41_table(errp);
1168      smbios_build_type_127_table();
1169  
1170      if (!smbios_check_type4_count(ms->smp.sockets, errp)) {
1171          goto err_exit;
1172      }
1173      if (!smbios_validate_table(ep_type, errp)) {
1174          goto err_exit;
1175      }
1176      smbios_entry_point_setup(ep_type);
1177  
1178      /* return tables blob and entry point (anchor), and their sizes */
1179      *tables = smbios_tables;
1180      *tables_len = smbios_tables_len;
1181      *anchor = (uint8_t *)&ep;
1182      /* calculate length based on anchor string */
1183      if (!strncmp((char *)&ep, "_SM_", 4)) {
1184          *anchor_len = sizeof(struct smbios_21_entry_point);
1185      } else if (!strncmp((char *)&ep, "_SM3_", 5)) {
1186          *anchor_len = sizeof(struct smbios_30_entry_point);
1187      } else {
1188          abort();
1189      }
1190  
1191      return true;
1192  err_exit:
1193      g_free(smbios_tables);
1194      smbios_tables = NULL;
1195      return false;
1196  }
1197  
1198  void smbios_get_tables(MachineState *ms,
1199                         SmbiosEntryPointType ep_type,
1200                         const struct smbios_phys_mem_area *mem_array,
1201                         const unsigned int mem_array_size,
1202                         uint8_t **tables, size_t *tables_len,
1203                         uint8_t **anchor, size_t *anchor_len,
1204                         Error **errp)
1205  {
1206      Error *local_err = NULL;
1207      bool is_valid;
1208      ERRP_GUARD();
1209  
1210      switch (ep_type) {
1211      case SMBIOS_ENTRY_POINT_TYPE_AUTO:
1212      case SMBIOS_ENTRY_POINT_TYPE_32:
1213          is_valid = smbios_get_tables_ep(ms, SMBIOS_ENTRY_POINT_TYPE_32,
1214                                          mem_array, mem_array_size,
1215                                          tables, tables_len,
1216                                          anchor, anchor_len,
1217                                          &local_err);
1218          if (is_valid || ep_type != SMBIOS_ENTRY_POINT_TYPE_AUTO) {
1219              break;
1220          }
1221          /*
1222           * fall through in case AUTO endpoint is selected and
1223           * SMBIOS 2.x tables can't be generated, to try if SMBIOS 3.x
1224           * tables would work
1225           */
1226      case SMBIOS_ENTRY_POINT_TYPE_64:
1227          error_free(local_err);
1228          local_err = NULL;
1229          is_valid = smbios_get_tables_ep(ms, SMBIOS_ENTRY_POINT_TYPE_64,
1230                                          mem_array, mem_array_size,
1231                                          tables, tables_len,
1232                                          anchor, anchor_len,
1233                                          &local_err);
1234          break;
1235      default:
1236          abort();
1237      }
1238      if (!is_valid) {
1239          error_propagate(errp, local_err);
1240      }
1241  }
1242  
1243  static void save_opt(const char **dest, QemuOpts *opts, const char *name)
1244  {
1245      const char *val = qemu_opt_get(opts, name);
1246  
1247      if (val) {
1248          *dest = val;
1249      }
1250  }
1251  
1252  
1253  struct opt_list {
1254      size_t *ndest;
1255      char ***dest;
1256  };
1257  
1258  static int save_opt_one(void *opaque,
1259                          const char *name, const char *value,
1260                          Error **errp)
1261  {
1262      struct opt_list *opt = opaque;
1263  
1264      if (g_str_equal(name, "path")) {
1265          g_autoptr(GByteArray) data = g_byte_array_new();
1266          g_autofree char *buf = g_new(char, 4096);
1267          ssize_t ret;
1268          int fd = qemu_open(value, O_RDONLY, errp);
1269          if (fd < 0) {
1270              return -1;
1271          }
1272  
1273          while (1) {
1274              ret = read(fd, buf, 4096);
1275              if (ret == 0) {
1276                  break;
1277              }
1278              if (ret < 0) {
1279                  error_setg(errp, "Unable to read from %s: %s",
1280                             value, strerror(errno));
1281                  qemu_close(fd);
1282                  return -1;
1283              }
1284              if (memchr(buf, '\0', ret)) {
1285                  error_setg(errp, "NUL in OEM strings value in %s", value);
1286                  qemu_close(fd);
1287                  return -1;
1288              }
1289              g_byte_array_append(data, (guint8 *)buf, ret);
1290          }
1291  
1292          qemu_close(fd);
1293  
1294          *opt->dest = g_renew(char *, *opt->dest, (*opt->ndest) + 1);
1295          (*opt->dest)[*opt->ndest] = (char *)g_byte_array_free(data,  FALSE);
1296          (*opt->ndest)++;
1297          data = NULL;
1298     } else if (g_str_equal(name, "value")) {
1299          *opt->dest = g_renew(char *, *opt->dest, (*opt->ndest) + 1);
1300          (*opt->dest)[*opt->ndest] = g_strdup(value);
1301          (*opt->ndest)++;
1302      } else if (!g_str_equal(name, "type")) {
1303          error_setg(errp, "Unexpected option %s", name);
1304          return -1;
1305      }
1306  
1307      return 0;
1308  }
1309  
1310  static bool save_opt_list(size_t *ndest, char ***dest, QemuOpts *opts,
1311                            Error **errp)
1312  {
1313      struct opt_list opt = {
1314          ndest, dest,
1315      };
1316      if (!qemu_opt_foreach(opts, save_opt_one, &opt, errp)) {
1317          return false;
1318      }
1319      return true;
1320  }
1321  
1322  void smbios_entry_add(QemuOpts *opts, Error **errp)
1323  {
1324      const char *val;
1325  
1326      val = qemu_opt_get(opts, "file");
1327      if (val) {
1328          struct smbios_structure_header *header;
1329          size_t size;
1330  
1331          if (!qemu_opts_validate(opts, qemu_smbios_file_opts, errp)) {
1332              return;
1333          }
1334  
1335          size = get_image_size(val);
1336          if (size == -1 || size < sizeof(struct smbios_structure_header)) {
1337              error_setg(errp, "Cannot read SMBIOS file %s", val);
1338              return;
1339          }
1340  
1341          /*
1342           * NOTE: standard double '\0' terminator expected, per smbios spec.
1343           * (except in legacy mode, where the second '\0' is implicit and
1344           *  will be inserted by the BIOS).
1345           */
1346          usr_blobs = g_realloc(usr_blobs, usr_blobs_len + size);
1347          header = (struct smbios_structure_header *)(usr_blobs +
1348                                                      usr_blobs_len);
1349  
1350          if (load_image_size(val, (uint8_t *)header, size) != size) {
1351              error_setg(errp, "Failed to load SMBIOS file %s", val);
1352              return;
1353          }
1354  
1355          if (header->type <= SMBIOS_MAX_TYPE) {
1356              if (test_bit(header->type, smbios_have_fields_bitmap)) {
1357                  error_setg(errp,
1358                             "can't load type %d struct, fields already specified!",
1359                             header->type);
1360                  return;
1361              }
1362              set_bit(header->type, smbios_have_binfile_bitmap);
1363          }
1364  
1365          if (header->type == 4) {
1366              smbios_type4_count++;
1367          }
1368  
1369          /*
1370           * preserve blob size for legacy mode so it could build its
1371           * blobs flavor from 'usr_blobs'
1372           */
1373          smbios_add_usr_blob_size(size);
1374  
1375          usr_blobs_len += size;
1376          if (size > usr_table_max) {
1377              usr_table_max = size;
1378          }
1379          usr_table_cnt++;
1380  
1381          return;
1382      }
1383  
1384      val = qemu_opt_get(opts, "type");
1385      if (val) {
1386          unsigned long type = strtoul(val, NULL, 0);
1387  
1388          if (type > SMBIOS_MAX_TYPE) {
1389              error_setg(errp, "out of range!");
1390              return;
1391          }
1392  
1393          if (test_bit(type, smbios_have_binfile_bitmap)) {
1394              error_setg(errp, "can't add fields, binary file already loaded!");
1395              return;
1396          }
1397          set_bit(type, smbios_have_fields_bitmap);
1398  
1399          switch (type) {
1400          case 0:
1401              if (!qemu_opts_validate(opts, qemu_smbios_type0_opts, errp)) {
1402                  return;
1403              }
1404              save_opt(&smbios_type0.vendor, opts, "vendor");
1405              save_opt(&smbios_type0.version, opts, "version");
1406              save_opt(&smbios_type0.date, opts, "date");
1407              smbios_type0.uefi = qemu_opt_get_bool(opts, "uefi", false);
1408  
1409              val = qemu_opt_get(opts, "release");
1410              if (val) {
1411                  if (sscanf(val, "%hhu.%hhu", &smbios_type0.major,
1412                             &smbios_type0.minor) != 2) {
1413                      error_setg(errp, "Invalid release");
1414                      return;
1415                  }
1416                  smbios_type0.have_major_minor = true;
1417              }
1418              return;
1419          case 1:
1420              if (!qemu_opts_validate(opts, qemu_smbios_type1_opts, errp)) {
1421                  return;
1422              }
1423              save_opt(&smbios_type1.manufacturer, opts, "manufacturer");
1424              save_opt(&smbios_type1.product, opts, "product");
1425              save_opt(&smbios_type1.version, opts, "version");
1426              save_opt(&smbios_type1.serial, opts, "serial");
1427              save_opt(&smbios_type1.sku, opts, "sku");
1428              save_opt(&smbios_type1.family, opts, "family");
1429  
1430              val = qemu_opt_get(opts, "uuid");
1431              if (val) {
1432                  if (qemu_uuid_parse(val, &qemu_uuid) != 0) {
1433                      error_setg(errp, "Invalid UUID");
1434                      return;
1435                  }
1436                  qemu_uuid_set = true;
1437              }
1438              return;
1439          case 2:
1440              if (!qemu_opts_validate(opts, qemu_smbios_type2_opts, errp)) {
1441                  return;
1442              }
1443              save_opt(&type2.manufacturer, opts, "manufacturer");
1444              save_opt(&type2.product, opts, "product");
1445              save_opt(&type2.version, opts, "version");
1446              save_opt(&type2.serial, opts, "serial");
1447              save_opt(&type2.asset, opts, "asset");
1448              save_opt(&type2.location, opts, "location");
1449              return;
1450          case 3:
1451              if (!qemu_opts_validate(opts, qemu_smbios_type3_opts, errp)) {
1452                  return;
1453              }
1454              save_opt(&type3.manufacturer, opts, "manufacturer");
1455              save_opt(&type3.version, opts, "version");
1456              save_opt(&type3.serial, opts, "serial");
1457              save_opt(&type3.asset, opts, "asset");
1458              save_opt(&type3.sku, opts, "sku");
1459              return;
1460          case 4:
1461              if (!qemu_opts_validate(opts, qemu_smbios_type4_opts, errp)) {
1462                  return;
1463              }
1464              save_opt(&type4.sock_pfx, opts, "sock_pfx");
1465              type4.processor_family = qemu_opt_get_number(opts,
1466                                                           "processor-family",
1467                                                           0x01 /* Other */);
1468              save_opt(&type4.manufacturer, opts, "manufacturer");
1469              save_opt(&type4.version, opts, "version");
1470              save_opt(&type4.serial, opts, "serial");
1471              save_opt(&type4.asset, opts, "asset");
1472              save_opt(&type4.part, opts, "part");
1473              /* If the value is 0, it will take the value from the CPU model. */
1474              type4.processor_id = qemu_opt_get_number(opts, "processor-id", 0);
1475              type4.max_speed = qemu_opt_get_number(opts, "max-speed",
1476                                                    DEFAULT_CPU_SPEED);
1477              type4.current_speed = qemu_opt_get_number(opts, "current-speed",
1478                                                        DEFAULT_CPU_SPEED);
1479              if (type4.max_speed > UINT16_MAX ||
1480                  type4.current_speed > UINT16_MAX) {
1481                  error_setg(errp, "SMBIOS CPU speed is too large (> %d)",
1482                             UINT16_MAX);
1483              }
1484              return;
1485          case 8:
1486              if (!qemu_opts_validate(opts, qemu_smbios_type8_opts, errp)) {
1487                  return;
1488              }
1489              struct type8_instance *t8_i;
1490              t8_i = g_new0(struct type8_instance, 1);
1491              save_opt(&t8_i->internal_reference, opts, "internal_reference");
1492              save_opt(&t8_i->external_reference, opts, "external_reference");
1493              t8_i->connector_type = qemu_opt_get_number(opts,
1494                                                         "connector_type", 0);
1495              t8_i->port_type = qemu_opt_get_number(opts, "port_type", 0);
1496              QTAILQ_INSERT_TAIL(&type8, t8_i, next);
1497              return;
1498          case 9: {
1499              if (!qemu_opts_validate(opts, qemu_smbios_type9_opts, errp)) {
1500                  return;
1501              }
1502              struct type9_instance *t;
1503              t = g_new0(struct type9_instance, 1);
1504              save_opt(&t->slot_designation, opts, "slot_designation");
1505              t->slot_type = qemu_opt_get_number(opts, "slot_type", 0);
1506              t->slot_data_bus_width =
1507                  qemu_opt_get_number(opts, "slot_data_bus_width", 0);
1508              t->current_usage = qemu_opt_get_number(opts, "current_usage", 0);
1509              t->slot_length = qemu_opt_get_number(opts, "slot_length", 0);
1510              t->slot_id = qemu_opt_get_number(opts, "slot_id", 0);
1511              t->slot_characteristics1 =
1512                  qemu_opt_get_number(opts, "slot_characteristics1", 0);
1513              t->slot_characteristics2 =
1514                  qemu_opt_get_number(opts, "slot_characteristics2", 0);
1515              save_opt(&t->pcidev, opts, "pcidev");
1516              QTAILQ_INSERT_TAIL(&type9, t, next);
1517              return;
1518          }
1519          case 11:
1520              if (!qemu_opts_validate(opts, qemu_smbios_type11_opts, errp)) {
1521                  return;
1522              }
1523              if (!save_opt_list(&type11.nvalues, &type11.values, opts, errp)) {
1524                  return;
1525              }
1526              return;
1527          case 17:
1528              if (!qemu_opts_validate(opts, qemu_smbios_type17_opts, errp)) {
1529                  return;
1530              }
1531              save_opt(&type17.loc_pfx, opts, "loc_pfx");
1532              save_opt(&type17.bank, opts, "bank");
1533              save_opt(&type17.manufacturer, opts, "manufacturer");
1534              save_opt(&type17.serial, opts, "serial");
1535              save_opt(&type17.asset, opts, "asset");
1536              save_opt(&type17.part, opts, "part");
1537              type17.speed = qemu_opt_get_number(opts, "speed", 0);
1538              return;
1539          case 41: {
1540              struct type41_instance *t41_i;
1541              Error *local_err = NULL;
1542  
1543              if (!qemu_opts_validate(opts, qemu_smbios_type41_opts, errp)) {
1544                  return;
1545              }
1546              t41_i = g_new0(struct type41_instance, 1);
1547              save_opt(&t41_i->designation, opts, "designation");
1548              t41_i->kind = qapi_enum_parse(&type41_kind_lookup,
1549                                            qemu_opt_get(opts, "kind"),
1550                                            0, &local_err) + 1;
1551              t41_i->kind |= 0x80;     /* enabled */
1552              if (local_err != NULL) {
1553                  error_propagate(errp, local_err);
1554                  g_free(t41_i);
1555                  return;
1556              }
1557              t41_i->instance = qemu_opt_get_number(opts, "instance", 1);
1558              save_opt(&t41_i->pcidev, opts, "pcidev");
1559  
1560              QTAILQ_INSERT_TAIL(&type41, t41_i, next);
1561              return;
1562          }
1563          default:
1564              error_setg(errp,
1565                         "Don't know how to build fields for SMBIOS type %ld",
1566                         type);
1567              return;
1568          }
1569      }
1570  
1571      error_setg(errp, "Must specify type= or file=");
1572  }
1573