ShellPkg/Library/UefiShellDebug1CommandsLib/SmbiosView/LibSmbios.h

   1 /** @file
   2   Lib include  for SMBIOS services. Used to get system serial number and GUID
   3
   4   Copyright (c) 2005 - 2011, Intel Corporation. All rights reserved.<BR>
   5   This program and the accompanying materials
   6   are licensed and made available under the terms and conditions of the BSD License
   7   which accompanies this distribution.  The full text of the license may be found at
   8   http://opensource.org/licenses/bsd-license.php
   9
  10   THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  11   WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  12
  13 **/
  14
  15 #ifndef _LIB_SMBIOS_H_
  16 #define _LIB_SMBIOS_H_
  17
  18 //
  19 // Define SMBIOS tables.
  20 //
  21 #pragma pack(1)
  22
  23 typedef UINT8 SMBIOS_STRING;
  24
  25 typedef struct {
  26   UINT8   AnchorString[4];
  27   UINT8   EntryPointStructureChecksum;
  28   UINT8   EntryPointLength;
  29   UINT8   MajorVersion;
  30   UINT8   MinorVersion;
  31   UINT16  MaxStructureSize;
  32   UINT8   EntryPointRevision;
  33   UINT8   FormattedArea[5];
  34   UINT8   IntermediateAnchorString[5];
  35   UINT8   IntermediateChecksum;
  36   UINT16  TableLength;
  37   UINT32  TableAddress;
  38   UINT16  NumberOfSmbiosStructures;
  39   UINT8   SmbiosBcdRevision;
  40 } SMBIOS_STRUCTURE_TABLE;
  41
  42 //
  43 // Please note that SMBIOS structures can be odd byte aligned since the
  44 //  unformated section of each record is a set of arbitrary size strings.
  45 //
  46 typedef struct {
  47   UINT8   Type;
  48   UINT8   Length;
  49   UINT16  Handle;
  50 } SMBIOS_HEADER;
  51
  52 typedef struct {
  53   SMBIOS_HEADER Hdr;
  54   SMBIOS_STRING Vendor;
  55   SMBIOS_STRING BiosVersion;
  56   UINT16        BiosSegment;
  57   SMBIOS_STRING BiosReleaseDate;
  58   UINT8         BiosSize;
  59   UINT64        BiosCharacteristics;
  60   UINT8         BIOSCharacteristicsExtensionBytes[2];
  61   UINT8         SystemBiosMajorRelease;
  62   UINT8         SystemBiosMinorRelease;
  63   UINT8         EmbeddedControllerFirmwareMajorRelease;
  64   UINT8         EmbeddedControllerFirmwareMinorRelease;
  65 } SMBIOS_TYPE0;
  66
  67 typedef struct {
  68   SMBIOS_HEADER Hdr;
  69   SMBIOS_STRING Manufacturer;
  70   SMBIOS_STRING ProductName;
  71   SMBIOS_STRING Version;
  72   SMBIOS_STRING SerialNumber;
  73   EFI_GUID      Uuid;
  74   UINT8         WakeUpType;
  75   SMBIOS_STRING SKUNumber;
  76   SMBIOS_STRING Family;
  77 } SMBIOS_TYPE1;
  78
  79 typedef struct {
  80   SMBIOS_HEADER Hdr;
  81   SMBIOS_STRING Manufacturer;
  82   SMBIOS_STRING ProductName;
  83   SMBIOS_STRING Version;
  84   SMBIOS_STRING SerialNumber;
  85   SMBIOS_STRING AssetTag;
  86   UINT8         FeatureFlag;
  87   SMBIOS_STRING LocationInChassis;
  88   UINT16        ChassisHandle;
  89   UINT8         BoardType;
  90   UINT8         NumberOfContainedObjectHandles;
  91   UINT16        ContainedObjectHandles[1];
  92 } SMBIOS_TYPE2;
  93
  94 typedef struct {
  95   UINT8         ContainedElementType;
  96   UINT8         ContainedElementMinimum;
  97   UINT8         ContainedElementMaximum;
  98 } CONTAINED_ELEMENT;
  99
 100 typedef struct {
 101   SMBIOS_HEADER Hdr;
 102   SMBIOS_STRING Manufacturer;
 103   UINT8         Type;
 104   SMBIOS_STRING Version;
 105   SMBIOS_STRING SerialNumber;
 106   SMBIOS_STRING AssetTag;
 107   UINT8         BootupState;
 108   UINT8         PowerSupplyState;
 109   UINT8         ThermalState;
 110   UINT8         SecurityStatus;
 111   UINT8         OemDefined[4];
 112   UINT8         Height;
 113   UINT8         NumberofPowerCords;
 114   UINT8         ContainedElementCount;
 115   UINT8         ContainedElementRecordLength;
 116   CONTAINED_ELEMENT     ContainedElements[1];
 117 } SMBIOS_TYPE3;
 118
 119 typedef struct {
 120   SMBIOS_HEADER Hdr;
 121   UINT8         Socket;
 122   UINT8         ProcessorType;
 123   UINT8         ProcessorFamily;
 124   SMBIOS_STRING ProcessorManufacture;
 125   UINT8         ProcessorId[8];
 126   SMBIOS_STRING ProcessorVersion;
 127   UINT8         Voltage;
 128   UINT16        ExternalClock;
 129   UINT16        MaxSpeed;
 130   UINT16        CurrentSpeed;
 131   UINT8         Status;
 132   UINT8         ProcessorUpgrade;
 133   UINT16        L1CacheHandle;
 134   UINT16        L2CacheHandle;
 135   UINT16        L3CacheHandle;
 136   SMBIOS_STRING SerialNumber;
 137   SMBIOS_STRING AssetTag;
 138   SMBIOS_STRING PartNumber;
 139   //
 140   // Add for smbios 2.5
 141   //
 142   UINT8         CoreCount;
 143   UINT8         EnabledCoreCount;
 144   UINT8         ThreadCount;
 145   UINT16        ProcessorCharacteristics;
 146   //
 147   // Add for smbios 2.6
 148   //
 149   UINT16        ProcessorFamily2;
 150 } SMBIOS_TYPE4;
 151
 152 typedef struct {
 153   SMBIOS_HEADER Hdr;
 154   UINT8         ErrDetectMethod;
 155   UINT8         ErrCorrectCapability;
 156   UINT8         SupportInterleave;
 157   UINT8         CurrentInterleave;
 158   UINT8         MaxMemoryModuleSize;
 159   UINT16        SupportSpeed;
 160   UINT16        SupportMemoryType;
 161   UINT8         MemoryModuleVoltage;
 162   UINT8         AssociatedMemorySlotNum;
 163   UINT16        MemoryModuleConfigHandles[1];
 164 } SMBIOS_TYPE5;
 165
 166 typedef struct {
 167   SMBIOS_HEADER Hdr;
 168   SMBIOS_STRING SocketDesignation;
 169   UINT8         BankConnections;
 170   UINT8         CurrentSpeed;
 171   UINT16        CurrentMemoryType;
 172   UINT8         InstalledSize;
 173   UINT8         EnabledSize;
 174   UINT8         ErrorStatus;
 175 } SMBIOS_TYPE6;
 176
 177 typedef struct {
 178   SMBIOS_HEADER Hdr;
 179   SMBIOS_STRING SocketDesignation;
 180   UINT16        CacheConfiguration;
 181   UINT16        MaximumCacheSize;
 182   UINT16        InstalledSize;
 183   UINT16        SupportedSRAMType;
 184   UINT16        CurrentSRAMType;
 185   UINT8         CacheSpeed;
 186   UINT8         ErrorCorrectionType;
 187   UINT8         SystemCacheType;
 188   UINT8         Associativity;
 189 } SMBIOS_TYPE7;
 190
 191 typedef struct {
 192   SMBIOS_HEADER Hdr;
 193   SMBIOS_STRING InternalReferenceDesignator;
 194   UINT8         InternalConnectorType;
 195   SMBIOS_STRING ExternalReferenceDesignator;
 196   UINT8         ExternalConnectorType;
 197   UINT8         PortType;
 198 } SMBIOS_TYPE8;
 199
 200 typedef struct {
 201   SMBIOS_HEADER Hdr;
 202   SMBIOS_STRING SlotDesignation;
 203   UINT8         SlotType;
 204   UINT8         SlotDataBusWidth;
 205   UINT8         CurrentUsage;
 206   UINT8         SlotLength;
 207   UINT16        SlotID;
 208   UINT8         SlotCharacteristics1;
 209   UINT8         SlotCharacteristics2;
 210   //
 211   // Add for smbios 2.6
 212   //
 213   UINT16        SegmentGroupNum;
 214   UINT8         BusNum;
 215   UINT8         DevFuncNum;
 216 } SMBIOS_TYPE9;
 217
 218 typedef struct _DEVICE_STRUCTURE {
 219   UINT8         DeviceType;
 220   SMBIOS_STRING DescriptionString;
 221 } DEVICE_STRUCTURE;
 222
 223 typedef struct {
 224   SMBIOS_HEADER Hdr;
 225   DEVICE_STRUCTURE  Device[1];
 226 } SMBIOS_TYPE10;
 227
 228 typedef struct {
 229   SMBIOS_HEADER Hdr;
 230   UINT8         StringCount;
 231 } SMBIOS_TYPE11;
 232
 233 typedef struct {
 234   SMBIOS_HEADER Hdr;
 235   UINT8         StringCount;
 236 } SMBIOS_TYPE12;
 237
 238 typedef struct {
 239   SMBIOS_HEADER Hdr;
 240   UINT8         InstallableLanguages;
 241   UINT8         Flags;
 242   UINT8         Reserved[15];
 243   SMBIOS_STRING CurrentLanguages;
 244 } SMBIOS_TYPE13;
 245
 246 typedef struct {
 247   SMBIOS_HEADER Hdr;
 248   SMBIOS_STRING GroupName;
 249   UINT8         ItemType;
 250   UINT16        ItemHandle;
 251 } SMBIOS_TYPE14;
 252
 253 typedef struct EVENTLOGTYPE {
 254   UINT8 LogType;
 255   UINT8 DataFormatType;
 256 } EVENTLOGTYPE;
 257
 258 typedef struct {
 259   SMBIOS_HEADER Hdr;
 260   UINT16        LogAreaLength;
 261   UINT16        LogHeaderStartOffset;
 262   UINT16        LogDataStartOffset;
 263   UINT8         AccessMethod;
 264   UINT8         LogStatus;
 265   UINT32        LogChangeToken;
 266   UINT32        AccessMethodAddress;
 267   UINT8         LogHeaderFormat;
 268   UINT8         NumberOfSupportedLogTypeDescriptors;
 269   UINT8         LengthOfLogTypeDescriptor;
 270   EVENTLOGTYPE  EventLogTypeDescriptors[1];
 271 } SMBIOS_TYPE15;
 272
 273 typedef struct {
 274   SMBIOS_HEADER Hdr;
 275   UINT8         Location;
 276   UINT8         Use;
 277   UINT8         MemoryErrorCorrection;
 278   UINT32        MaximumCapacity;
 279   UINT16        MemoryErrorInformationHandle;
 280   UINT16        NumberOfMemoryDevices;
 281 } SMBIOS_TYPE16;
 282
 283 typedef struct {
 284   SMBIOS_HEADER Hdr;
 285   UINT16        MemoryArrayHandle;
 286   UINT16        MemoryErrorInformationHandle;
 287   UINT16        TotalWidth;
 288   UINT16        DataWidth;
 289   UINT16        Size;
 290   UINT8         FormFactor;
 291   UINT8         DeviceSet;
 292   SMBIOS_STRING DeviceLocator;
 293   SMBIOS_STRING BankLocator;
 294   UINT8         MemoryType;
 295   UINT16        TypeDetail;
 296   UINT16        Speed;
 297   SMBIOS_STRING Manufacturer;
 298   SMBIOS_STRING SerialNumber;
 299   SMBIOS_STRING AssetTag;
 300   SMBIOS_STRING PartNumber;
 301   //
 302   // Add for smbios 2.6
 303   //
 304   UINT8         Attributes;
 305 } SMBIOS_TYPE17;
 306
 307 typedef struct {
 308   SMBIOS_HEADER Hdr;
 309   UINT8         ErrorType;
 310   UINT8         ErrorGranularity;
 311   UINT8         ErrorOperation;
 312   UINT32        VendorSyndrome;
 313   UINT32        MemoryArrayErrorAddress;
 314   UINT32        DeviceErrorAddress;
 315   UINT32        ErrorResolution;
 316 } SMBIOS_TYPE18;
 317
 318 typedef struct {
 319   SMBIOS_HEADER Hdr;
 320   UINT32        StartingAddress;
 321   UINT32        EndingAddress;
 322   UINT16        MemoryArrayHandle;
 323   UINT8         PartitionWidth;
 324   //
 325   // Add for smbios 2.7
 326   //
 327   UINT64                ExtendedStartingAddress;
 328   UINT64                ExtendedEndingAddress;
 329 } SMBIOS_TYPE19;
 330
 331 typedef struct {
 332   SMBIOS_HEADER Hdr;
 333   UINT32        StartingAddress;
 334   UINT32        EndingAddress;
 335   UINT16        MemoryDeviceHandle;
 336   UINT16        MemoryArrayMappedAddressHandle;
 337   UINT8         PartitionRowPosition;
 338   UINT8         InterleavePosition;
 339   UINT8         InterleavedDataDepth;
 340 } SMBIOS_TYPE20;
 341
 342 typedef struct {
 343   SMBIOS_HEADER Hdr;
 344   UINT8         Type;
 345   UINT8         Interface;
 346   UINT8         NumberOfButtons;
 347 } SMBIOS_TYPE21;
 348
 349 typedef struct {
 350   SMBIOS_HEADER Hdr;
 351   SMBIOS_STRING Location;
 352   SMBIOS_STRING Manufacturer;
 353   SMBIOS_STRING ManufactureDate;
 354   SMBIOS_STRING SerialNumber;
 355   SMBIOS_STRING DeviceName;
 356   UINT8         DeviceChemistry;
 357   UINT16        DeviceCapacity;
 358   UINT16        DesignVoltage;
 359   SMBIOS_STRING SBDSVersionNumber;
 360   UINT8         MaximumErrorInBatteryData;
 361   UINT16        SBDSSerialNumber;
 362   UINT16        SBDSManufactureDate;
 363   SMBIOS_STRING SBDSDeviceChemistry;
 364   UINT8         DesignCapacityMultiplier;
 365   UINT32        OEMSpecific;
 366 } SMBIOS_TYPE22;
 367
 368 typedef struct {
 369   SMBIOS_HEADER Hdr;
 370   UINT8         Capabilities;
 371   UINT16        ResetCount;
 372   UINT16        ResetLimit;
 373   UINT16        TimerInterval;
 374   UINT16        Timeout;
 375 } SMBIOS_TYPE23;
 376
 377 typedef struct {
 378   SMBIOS_HEADER Hdr;
 379   UINT8         HardwareSecuritySettings;
 380 } SMBIOS_TYPE24;
 381
 382 typedef struct {
 383   SMBIOS_HEADER Hdr;
 384   UINT8         NextScheduledPowerOnMonth;
 385   UINT8         NextScheduledPowerOnDayOfMonth;
 386   UINT8         NextScheduledPowerOnHour;
 387   UINT8         NextScheduledPowerOnMinute;
 388   UINT8         NextScheduledPowerOnSecond;
 389 } SMBIOS_TYPE25;
 390
 391 typedef struct {
 392   SMBIOS_HEADER Hdr;
 393   SMBIOS_STRING Description;
 394   UINT8         LocationAndStatus;
 395   UINT16        MaximumValue;
 396   UINT16        MinimumValue;
 397   UINT16        Resolution;
 398   UINT16        Tolerance;
 399   UINT16        Accuracy;
 400   UINT32        OEMDefined;
 401   UINT16        NominalValue;
 402 } SMBIOS_TYPE26;
 403
 404 typedef struct {
 405   SMBIOS_HEADER Hdr;
 406   UINT16        TemperatureProbeHandle;
 407   UINT8         DeviceTypeAndStatus;
 408   UINT8         CoolingUnitGroup;
 409   UINT32        OEMDefined;
 410   UINT16        NominalSpeed;
 411 } SMBIOS_TYPE27;
 412
 413 typedef struct {
 414   SMBIOS_HEADER Hdr;
 415   SMBIOS_STRING Description;
 416   UINT8         LocationAndStatus;
 417   UINT16        MaximumValue;
 418   UINT16        MinimumValue;
 419   UINT16        Resolution;
 420   UINT16        Tolerance;
 421   UINT16        Accuracy;
 422   UINT32        OEMDefined;
 423   UINT16        NominalValue;
 424 } SMBIOS_TYPE28;
 425
 426 typedef struct {
 427   SMBIOS_HEADER Hdr;
 428   SMBIOS_STRING Description;
 429   UINT8         LocationAndStatus;
 430   UINT16        MaximumValue;
 431   UINT16        MinimumValue;
 432   UINT16        Resolution;
 433   UINT16        Tolerance;
 434   UINT16        Accuracy;
 435   UINT32        OEMDefined;
 436   UINT16        NominalValue;
 437 } SMBIOS_TYPE29;
 438
 439 typedef struct {
 440   SMBIOS_HEADER Hdr;
 441   SMBIOS_STRING ManufacturerName;
 442   UINT8         Connections;
 443 } SMBIOS_TYPE30;
 444
 445 typedef struct {
 446   SMBIOS_HEADER Hdr;
 447   UINT8                 Checksum;
 448   UINT8                 Reserved1;
 449   UINT16                Reserved2;
 450   UINT32                BisEntry16;
 451   UINT32                BisEntry32;
 452   UINT64                Reserved3;
 453   UINT32                Reserved4;
 454 } SMBIOS_TYPE31;
 455
 456 typedef struct {
 457   SMBIOS_HEADER Hdr;
 458   UINT8         Reserved[6];
 459   UINT8         BootStatus[1];
 460 } SMBIOS_TYPE32;
 461
 462 typedef struct {
 463   SMBIOS_HEADER Hdr;
 464   UINT8         ErrorType;
 465   UINT8         ErrorGranularity;
 466   UINT8         ErrorOperation;
 467   UINT32        VendorSyndrome;
 468   UINT64        MemoryArrayErrorAddress;
 469   UINT64        DeviceErrorAddress;
 470   UINT32        ErrorResolution;
 471 } SMBIOS_TYPE33;
 472
 473 typedef struct {
 474   SMBIOS_HEADER Hdr;
 475   SMBIOS_STRING Description;
 476   UINT8         Type;
 477   UINT32        Address;
 478   UINT8         AddressType;
 479 } SMBIOS_TYPE34;
 480
 481 typedef struct {
 482   SMBIOS_HEADER Hdr;
 483   SMBIOS_STRING Description;
 484   UINT16        ManagementDeviceHandle;
 485   UINT16        ComponentHandle;
 486   UINT16        ThresholdHandle;
 487 } SMBIOS_TYPE35;
 488
 489 typedef struct {
 490   SMBIOS_HEADER Hdr;
 491   UINT16        LowerThresholdNonCritical;
 492   UINT16        UpperThresholdNonCritical;
 493   UINT16        LowerThresholdCritical;
 494   UINT16        UpperThresholdCritical;
 495   UINT16        LowerThresholdNonRecoverable;
 496   UINT16        UpperThresholdNonRecoverable;
 497 } SMBIOS_TYPE36;
 498
 499 typedef struct MEMORYDEVICE {
 500   UINT8   DeviceLoad;
 501   UINT16  DeviceHandle;
 502 } MEMORYDEVICE;
 503
 504 typedef struct {
 505   SMBIOS_HEADER Hdr;
 506   UINT8         ChannelType;
 507   UINT8         MaximumChannelLoad;
 508   UINT8         MemoryDeviceCount;
 509   MEMORYDEVICE  MemoryDevice[1];
 510 } SMBIOS_TYPE37;
 511
 512 typedef struct {
 513   SMBIOS_HEADER Hdr;
 514   UINT8         InterfaceType;
 515   UINT8         IPMISpecificationRevision;
 516   UINT8         I2CSlaveAddress;
 517   UINT8         NVStorageDeviceAddress;
 518   UINT64        BaseAddress;
 519 } SMBIOS_TYPE38;
 520
 521 typedef struct {
 522   SMBIOS_HEADER Hdr;
 523   UINT8         PowerUnitGroup;
 524   SMBIOS_STRING Location;
 525   SMBIOS_STRING DeviceName;
 526   SMBIOS_STRING Manufacturer;
 527   SMBIOS_STRING SerialNumber;
 528   SMBIOS_STRING AssetTagNumber;
 529   SMBIOS_STRING ModelPartNumber;
 530   SMBIOS_STRING RevisionLevel;
 531   UINT16        MaxPowerCapacity;
 532   UINT16        PowerSupplyCharacteristics;
 533   UINT16        InputVoltageProbeHandle;
 534   UINT16        CoolingDeviceHandle;
 535   UINT16        InputCurrentProbeHandle;
 536 } SMBIOS_TYPE39;
 537
 538 //
 539 // Add type 40 and type 41 for smbios 2.6
 540 //
 541 typedef struct {
 542   UINT8                   EntryLength;
 543   UINT16                  ReferencedHandle;
 544   UINT8                   ReferencedOffset;
 545   SMBIOS_STRING           EntryString;
 546   UINT8                   Value[1];
 547 } ADDITIONAL_INFORMATION_ENTRY;
 548
 549 typedef struct {
 550   SMBIOS_HEADER                   Hdr;
 551   UINT8                           NumberOfAdditionalInformationEntries;
 552   ADDITIONAL_INFORMATION_ENTRY    AdditionalInfoEntries[1];
 553 } SMBIOS_TYPE40;
 554
 555 typedef struct {
 556   SMBIOS_HEADER     Hdr;
 557   SMBIOS_STRING     ReferenceDesignation;
 558   UINT8             DeviceType;
 559   UINT8             DeviceTypeInstance;
 560   UINT16            SegmentGroupNum;
 561   UINT8             BusNum;
 562   UINT8             DevFuncNum;
 563 } SMBIOS_TYPE41;
 564
 565 typedef struct {
 566   SMBIOS_HEADER Hdr;
 567 } SMBIOS_TYPE126;
 568
 569 typedef struct {
 570   SMBIOS_HEADER Hdr;
 571 } SMBIOS_TYPE127;
 572
 573 /*
 574   Notes:
 575     Among the following 42 type of structues for SMBIOS Stucture table,
 576     There are only 11 Types(0,1,3,4,7,9,16,17,19,20,32) are required,
 577     The other types is optional.
 578 */
 579 typedef union {
 580   SMBIOS_HEADER   *Hdr;
 581   SMBIOS_TYPE0    *Type0;
 582   SMBIOS_TYPE1    *Type1;
 583   SMBIOS_TYPE2    *Type2;
 584   SMBIOS_TYPE3    *Type3;
 585   SMBIOS_TYPE4    *Type4;
 586   SMBIOS_TYPE5    *Type5;
 587   SMBIOS_TYPE6    *Type6;
 588   SMBIOS_TYPE7    *Type7;
 589   SMBIOS_TYPE8    *Type8;
 590   SMBIOS_TYPE9    *Type9;
 591   SMBIOS_TYPE10   *Type10;
 592   SMBIOS_TYPE11   *Type11;
 593   SMBIOS_TYPE12   *Type12;
 594   SMBIOS_TYPE13   *Type13;
 595   SMBIOS_TYPE14   *Type14;
 596   SMBIOS_TYPE15   *Type15;
 597   SMBIOS_TYPE16   *Type16;
 598   SMBIOS_TYPE17   *Type17;
 599   SMBIOS_TYPE18   *Type18;
 600   SMBIOS_TYPE19   *Type19;
 601   SMBIOS_TYPE20   *Type20;
 602   SMBIOS_TYPE21   *Type21;
 603   SMBIOS_TYPE22   *Type22;
 604   SMBIOS_TYPE23   *Type23;
 605   SMBIOS_TYPE24   *Type24;
 606   SMBIOS_TYPE25   *Type25;
 607   SMBIOS_TYPE26   *Type26;
 608   SMBIOS_TYPE27   *Type27;
 609   SMBIOS_TYPE28   *Type28;
 610   SMBIOS_TYPE29   *Type29;
 611   SMBIOS_TYPE30   *Type30;
 612   SMBIOS_TYPE31   *Type31;
 613   SMBIOS_TYPE32   *Type32;
 614   SMBIOS_TYPE33   *Type33;
 615   SMBIOS_TYPE34   *Type34;
 616   SMBIOS_TYPE35   *Type35;
 617   SMBIOS_TYPE36   *Type36;
 618   SMBIOS_TYPE37   *Type37;
 619   SMBIOS_TYPE38   *Type38;
 620   SMBIOS_TYPE39   *Type39;
 621   SMBIOS_TYPE40   *Type40;
 622   SMBIOS_TYPE41   *Type41;
 623   SMBIOS_TYPE126  *Type126;
 624   SMBIOS_TYPE127  *Type127;
 625   UINT8           *Raw;
 626 } SMBIOS_STRUCTURE_POINTER;
 627
 628 #pragma pack()
 629
 630 /**
 631   Return SMBIOS string given the string number.
 632
 633   @param[in] Smbios         Pointer to SMBIOS structure.
 634   @param[in] StringNumber   String number to return. -1 is used to skip all strings and
 635                             point to the next SMBIOS structure.
 636
 637   @return Pointer to string, or pointer to next SMBIOS strcuture if StringNumber == -1
 638 **/
 639 CHAR8*
 640 LibGetSmbiosString (
 641   IN  SMBIOS_STRUCTURE_POINTER    *Smbios,
 642   IN  UINT16                      StringNumber
 643   );
 644
 645 #endif