MdeModulePkg/Universal/SetupBrowserDxe/Setup.h

   1 /** @file
   2 Private MACRO, structure and function definitions for Setup Browser module.
   3
   4 Copyright (c) 2007 - 2010, 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
  16 #ifndef _SETUP_H_
  17 #define _SETUP_H_
  18
  19
  20 #include <PiDxe.h>
  21
  22 #include <Protocol/SimpleTextOut.h>
  23 #include <Protocol/SimpleTextIn.h>
  24 #include <Protocol/FormBrowser2.h>
  25 #include <Protocol/DevicePath.h>
  26 #include <Protocol/UnicodeCollation.h>
  27 #include <Protocol/HiiConfigAccess.h>
  28 #include <Protocol/HiiConfigRouting.h>
  29 #include <Protocol/HiiDatabase.h>
  30 #include <Protocol/HiiString.h>
  31 #include <Protocol/UserManager.h>
  32
  33 #include <Guid/MdeModuleHii.h>
  34 #include <Guid/HiiPlatformSetupFormset.h>
  35 #include <Guid/HiiFormMapMethodGuid.h>
  36
  37 #include <Library/PrintLib.h>
  38 #include <Library/DebugLib.h>
  39 #include <Library/BaseMemoryLib.h>
  40 #include <Library/UefiRuntimeServicesTableLib.h>
  41 #include <Library/UefiDriverEntryPoint.h>
  42 #include <Library/UefiBootServicesTableLib.h>
  43 #include <Library/BaseLib.h>
  44 #include <Library/MemoryAllocationLib.h>
  45 #include <Library/HiiLib.h>
  46 #include <Library/PcdLib.h>
  47 #include <Library/DevicePathLib.h>
  48
  49 #include "Colors.h"
  50
  51 //
  52 // This is the generated header file which includes whatever needs to be exported (strings + IFR)
  53 //
  54
  55 extern UINT8  SetupBrowserStrings[];
  56
  57 //
  58 // Screen definitions
  59 //
  60 #define BANNER_HEIGHT                 6
  61 #define BANNER_COLUMNS                3
  62
  63 #define FRONT_PAGE_HEADER_HEIGHT      6
  64 #define NONE_FRONT_PAGE_HEADER_HEIGHT 3
  65 #define LEFT_SKIPPED_COLUMNS          4
  66 #define FOOTER_HEIGHT                 4
  67 #define STATUS_BAR_HEIGHT             1
  68 #define SCROLL_ARROW_HEIGHT           1
  69 #define POPUP_PAD_SPACE_COUNT         5
  70 #define POPUP_FRAME_WIDTH             2
  71
  72 //
  73 // Definition for function key setting
  74 //
  75 #define NONE_FUNCTION_KEY_SETTING     0
  76 #define DEFAULT_FUNCTION_KEY_SETTING  (FUNCTION_NINE | FUNCTION_TEN)
  77
  78 #define FUNCTION_NINE                 (1 << 2)
  79 #define FUNCTION_TEN                  (1 << 3)
  80
  81 typedef struct {
  82   EFI_GUID  FormSetGuid;
  83   UINTN     KeySetting;
  84 } FUNCTIION_KEY_SETTING;
  85
  86 //
  87 // Character definitions
  88 //
  89 #define CHAR_SPACE              0x0020
  90 #define UPPER_LOWER_CASE_OFFSET 0x20
  91
  92 //
  93 // Time definitions
  94 //
  95 #define ONE_SECOND  10000000
  96
  97 //
  98 // Display definitions
  99 //
 100 #define LEFT_HYPER_DELIMITER      L'<'
 101 #define RIGHT_HYPER_DELIMITER     L'>'
 102
 103 #define LEFT_ONEOF_DELIMITER      L'<'
 104 #define RIGHT_ONEOF_DELIMITER     L'>'
 105
 106 #define LEFT_NUMERIC_DELIMITER    L'['
 107 #define RIGHT_NUMERIC_DELIMITER   L']'
 108
 109 #define LEFT_CHECKBOX_DELIMITER   L'['
 110 #define RIGHT_CHECKBOX_DELIMITER  L']'
 111
 112 #define CHECK_ON                  L'X'
 113 #define CHECK_OFF                 L' '
 114
 115 #define TIME_SEPARATOR            L':'
 116 #define DATE_SEPARATOR            L'/'
 117
 118 #define YES_ANSWER                L'Y'
 119 #define NO_ANSWER                 L'N'
 120
 121 //
 122 // This is the Input Error Message
 123 //
 124 #define INPUT_ERROR 1
 125
 126 //
 127 // This is the NV RAM update required Message
 128 //
 129 #define NV_UPDATE_REQUIRED  2
 130
 131 //
 132 // Refresh the Status Bar with flags
 133 //
 134 #define REFRESH_STATUS_BAR  0xff
 135
 136 //
 137 // Incremental string lenght of ConfigRequest
 138 //
 139 #define CONFIG_REQUEST_STRING_INCREMENTAL  1024
 140
 141 //
 142 // HII value compare result
 143 //
 144 #define HII_VALUE_UNDEFINED     0
 145 #define HII_VALUE_EQUAL         1
 146 #define HII_VALUE_LESS_THAN     2
 147 #define HII_VALUE_GREATER_THAN  3
 148
 149 //
 150 // Incremental size of stack for expression
 151 //
 152 #define EXPRESSION_STACK_SIZE_INCREMENT    0x100
 153
 154 #define EFI_SPECIFICATION_MAJOR_VERSION    0x2
 155 #define EFI_SPECIFICATION_MINOR_VERSION    0x1
 156 #define EFI_SPECIFICATION_ERRATA_VERSION   0x0
 157 #define EFI_IFR_SPECIFICATION_VERSION  (UINT16)((EFI_SPECIFICATION_MAJOR_VERSION << 8) | (EFI_SPECIFICATION_MINOR_VERSION << 4) | EFI_SPECIFICATION_ERRATA_VERSION)
 158
 159
 160 #define SETUP_DRIVER_SIGNATURE SIGNATURE_32 ('F', 'B', 'D', 'V')
 161 typedef struct {
 162   UINT32                             Signature;
 163
 164   EFI_HANDLE                         Handle;
 165
 166   //
 167   // Produced protocol
 168   //
 169   EFI_FORM_BROWSER2_PROTOCOL         FormBrowser2;
 170
 171 } SETUP_DRIVER_PRIVATE_DATA;
 172
 173 typedef struct {
 174   EFI_STRING_ID  Banner[BANNER_HEIGHT][BANNER_COLUMNS];
 175 } BANNER_DATA;
 176
 177 //
 178 // IFR relative definition
 179 //
 180 #define EFI_HII_EXPRESSION_INCONSISTENT_IF   0
 181 #define EFI_HII_EXPRESSION_NO_SUBMIT_IF      1
 182 #define EFI_HII_EXPRESSION_GRAY_OUT_IF       2
 183 #define EFI_HII_EXPRESSION_SUPPRESS_IF       3
 184 #define EFI_HII_EXPRESSION_DISABLE_IF        4
 185 #define EFI_HII_EXPRESSION_VALUE             5
 186 #define EFI_HII_EXPRESSION_RULE              6
 187 #define EFI_HII_EXPRESSION_READ              7
 188 #define EFI_HII_EXPRESSION_WRITE             8
 189
 190 #define EFI_HII_VARSTORE_BUFFER              0
 191 #define EFI_HII_VARSTORE_NAME_VALUE          1
 192 #define EFI_HII_VARSTORE_EFI_VARIABLE        2
 193
 194 #define FORM_INCONSISTENT_VALIDATION         0
 195 #define FORM_NO_SUBMIT_VALIDATION            1
 196
 197 #define FORMSET_CLASS_PLATFORM_SETUP         0x0001
 198 #define FORMSET_CLASS_FRONT_PAGE             0x0002
 199
 200 typedef struct {
 201   UINT8               Type;
 202   EFI_IFR_TYPE_VALUE  Value;
 203 } EFI_HII_VALUE;
 204
 205 #define NAME_VALUE_NODE_SIGNATURE  SIGNATURE_32 ('N', 'V', 'S', 'T')
 206
 207 typedef struct {
 208   UINTN            Signature;
 209   LIST_ENTRY       Link;
 210   CHAR16           *Name;
 211   CHAR16           *Value;
 212   CHAR16           *EditValue;
 213 } NAME_VALUE_NODE;
 214
 215 #define NAME_VALUE_NODE_FROM_LINK(a)  CR (a, NAME_VALUE_NODE, Link, NAME_VALUE_NODE_SIGNATURE)
 216
 217 #define FORMSET_STORAGE_SIGNATURE  SIGNATURE_32 ('F', 'S', 'T', 'G')
 218
 219 typedef struct {
 220   UINTN            Signature;
 221   LIST_ENTRY       Link;
 222
 223   UINT8            Type;           // Storage type
 224
 225   UINT16           VarStoreId;
 226   EFI_GUID         Guid;
 227
 228   CHAR16           *Name;          // For EFI_IFR_VARSTORE
 229   UINT16           Size;
 230   UINT8            *Buffer;
 231   UINT8            *EditBuffer;    // Edit copy for Buffer Storage
 232
 233   LIST_ENTRY       NameValueListHead; // List of NAME_VALUE_NODE
 234
 235   UINT32           Attributes;     // For EFI_IFR_VARSTORE_EFI: EFI Variable attribute
 236
 237   CHAR16           *ConfigHdr;     // <ConfigHdr>
 238   CHAR16           *ConfigRequest; // <ConfigRequest> = <ConfigHdr> + <RequestElement>
 239   UINTN            ElementCount;   // Number of <RequestElement> in the <ConfigRequest>
 240   UINTN            SpareStrLen;    // Spare length of ConfigRequest string buffer
 241 } FORMSET_STORAGE;
 242
 243 #define FORMSET_STORAGE_FROM_LINK(a)  CR (a, FORMSET_STORAGE, Link, FORMSET_STORAGE_SIGNATURE)
 244
 245 typedef union {
 246   EFI_STRING_ID         VarName;
 247   UINT16                VarOffset;
 248 } VAR_STORE_INFO;
 249
 250 #define EXPRESSION_OPCODE_SIGNATURE  SIGNATURE_32 ('E', 'X', 'O', 'P')
 251
 252 typedef struct {
 253   UINTN             Signature;
 254   LIST_ENTRY        Link;
 255
 256   UINT8             Operand;
 257
 258   UINT8             Format;      // For EFI_IFR_TO_STRING, EFI_IFR_FIND
 259   UINT8             Flags;       // For EFI_IFR_SPAN
 260   UINT8             RuleId;      // For EFI_IFR_RULE_REF
 261
 262   EFI_HII_VALUE     Value;       // For EFI_IFR_EQ_ID_VAL, EFI_IFR_UINT64, EFI_IFR_UINT32, EFI_IFR_UINT16, EFI_IFR_UINT8, EFI_IFR_STRING_REF1
 263
 264   EFI_QUESTION_ID   QuestionId;  // For EFI_IFR_EQ_ID_ID, EFI_IFR_EQ_ID_VAL_LIST, EFI_IFR_QUESTION_REF1
 265   EFI_QUESTION_ID   QuestionId2;
 266
 267   UINT16            ListLength;  // For EFI_IFR_EQ_ID_VAL_LIST
 268   UINT16            *ValueList;
 269
 270   EFI_STRING_ID     DevicePath;  // For EFI_IFR_QUESTION_REF3_2, EFI_IFR_QUESTION_REF3_3
 271   EFI_GUID          Guid;
 272
 273   FORMSET_STORAGE   *VarStorage; // For EFI_IFR_SET, EFI_IFR_GET
 274   VAR_STORE_INFO    VarStoreInfo;// For EFI_IFR_SET, EFI_IFR_GET
 275   UINT8             ValueType;   // For EFI_IFR_SET, EFI_IFR_GET
 276   UINT8             ValueWidth;  // For EFI_IFR_SET, EFI_IFR_GET
 277   CHAR16            *ValueName;  // For EFI_IFR_SET, EFI_IFR_GET
 278   LIST_ENTRY        MapExpressionList;   // nested expressions inside of Map opcode.
 279 } EXPRESSION_OPCODE;
 280
 281 #define EXPRESSION_OPCODE_FROM_LINK(a)  CR (a, EXPRESSION_OPCODE, Link, EXPRESSION_OPCODE_SIGNATURE)
 282
 283 #define FORM_EXPRESSION_SIGNATURE  SIGNATURE_32 ('F', 'E', 'X', 'P')
 284
 285 typedef struct {
 286   UINTN             Signature;
 287   LIST_ENTRY        Link;
 288
 289   UINT8             Type;            // Type for this expression
 290
 291   UINT8             RuleId;          // For EFI_IFR_RULE only
 292   EFI_STRING_ID     Error;           // For EFI_IFR_NO_SUBMIT_IF, EFI_IFR_INCONSISTENT_IF only
 293
 294   EFI_HII_VALUE     Result;          // Expression evaluation result
 295
 296   LIST_ENTRY        OpCodeListHead;  // OpCodes consist of this expression (EXPRESSION_OPCODE)
 297 } FORM_EXPRESSION;
 298
 299 #define FORM_EXPRESSION_FROM_LINK(a)  CR (a, FORM_EXPRESSION, Link, FORM_EXPRESSION_SIGNATURE)
 300
 301 #define QUESTION_DEFAULT_SIGNATURE  SIGNATURE_32 ('Q', 'D', 'F', 'T')
 302
 303 typedef struct {
 304   UINTN               Signature;
 305   LIST_ENTRY          Link;
 306
 307   UINT16              DefaultId;
 308   EFI_HII_VALUE       Value;              // Default value
 309
 310   FORM_EXPRESSION     *ValueExpression;   // Not-NULL indicates default value is provided by EFI_IFR_VALUE
 311 } QUESTION_DEFAULT;
 312
 313 #define QUESTION_DEFAULT_FROM_LINK(a)  CR (a, QUESTION_DEFAULT, Link, QUESTION_DEFAULT_SIGNATURE)
 314
 315 #define QUESTION_OPTION_SIGNATURE  SIGNATURE_32 ('Q', 'O', 'P', 'T')
 316
 317 typedef struct {
 318   UINTN               Signature;
 319   LIST_ENTRY          Link;
 320
 321   EFI_STRING_ID       Text;
 322   UINT8               Flags;
 323   EFI_HII_VALUE       Value;
 324   EFI_IMAGE_ID        ImageId;
 325
 326   FORM_EXPRESSION     *SuppressExpression; // Non-NULL indicates nested inside of SuppressIf
 327 } QUESTION_OPTION;
 328
 329 #define QUESTION_OPTION_FROM_LINK(a)  CR (a, QUESTION_OPTION, Link, QUESTION_OPTION_SIGNATURE)
 330
 331 #define FORM_BROWSER_STATEMENT_SIGNATURE  SIGNATURE_32 ('F', 'S', 'T', 'A')
 332
 333 typedef struct {
 334   UINTN                 Signature;
 335   LIST_ENTRY            Link;
 336
 337   UINT8                 Operand;          // The operand (first byte) of this Statement or Question
 338
 339   //
 340   // Statement Header
 341   //
 342   EFI_STRING_ID         Prompt;
 343   EFI_STRING_ID         Help;
 344   EFI_STRING_ID         TextTwo;          // For EFI_IFR_TEXT
 345
 346   //
 347   // Question Header
 348   //
 349   EFI_QUESTION_ID       QuestionId;       // The value of zero is reserved
 350   EFI_VARSTORE_ID       VarStoreId;       // A value of zero indicates no variable storage
 351   FORMSET_STORAGE       *Storage;
 352   VAR_STORE_INFO        VarStoreInfo;
 353   UINT16                StorageWidth;
 354   UINT8                 QuestionFlags;
 355   CHAR16                *VariableName;    // Name/Value or EFI Variable name
 356   CHAR16                *BlockName;       // Buffer storage block name: "OFFSET=...WIDTH=..."
 357
 358   EFI_HII_VALUE         HiiValue;         // Edit copy for checkbox, numberic, oneof
 359   UINT8                 *BufferValue;     // Edit copy for string, password, orderedlist
 360   UINT8                 ValueType;        // Data type for orderedlist value array
 361
 362   //
 363   // OpCode specific members
 364   //
 365   UINT8                 Flags;            // for EFI_IFR_CHECKBOX, EFI_IFR_DATE, EFI_IFR_NUMERIC, EFI_IFR_ONE_OF,
 366                                           // EFI_IFR_ORDERED_LIST, EFI_IFR_STRING,EFI_IFR_SUBTITLE,EFI_IFR_TIME, EFI_IFR_BANNER
 367   UINT8                 MaxContainers;    // for EFI_IFR_ORDERED_LIST
 368
 369   UINT16                BannerLineNumber; // for EFI_IFR_BANNER, 1-based line number
 370   EFI_STRING_ID         QuestionConfig;   // for EFI_IFR_ACTION, if 0 then no configuration string will be processed
 371
 372   UINT64                Minimum;          // for EFI_IFR_ONE_OF/EFI_IFR_NUMERIC, it's Min/Max value
 373   UINT64                Maximum;          // for EFI_IFR_STRING/EFI_IFR_PASSWORD, it's Min/Max length
 374   UINT64                Step;
 375
 376   EFI_DEFAULT_ID        DefaultId;        // for EFI_IFR_RESET_BUTTON
 377   EFI_FORM_ID           RefFormId;        // for EFI_IFR_REF
 378   EFI_QUESTION_ID       RefQuestionId;    // for EFI_IFR_REF2
 379   EFI_GUID              RefFormSetId;     // for EFI_IFR_REF3
 380   EFI_STRING_ID         RefDevicePath;    // for EFI_IFR_REF4
 381
 382   //
 383   // Get from IFR parsing
 384   //
 385   FORM_EXPRESSION       *ValueExpression;    // nested EFI_IFR_VALUE, provide Question value and indicate Question is ReadOnly
 386   LIST_ENTRY            DefaultListHead;     // nested EFI_IFR_DEFAULT list (QUESTION_DEFAULT), provide default values
 387   LIST_ENTRY            OptionListHead;      // nested EFI_IFR_ONE_OF_OPTION list (QUESTION_OPTION)
 388
 389   EFI_IMAGE_ID          ImageId;             // nested EFI_IFR_IMAGE
 390   UINT8                 RefreshInterval;     // nested EFI_IFR_REFRESH, refresh interval(in seconds) for Question value, 0 means no refresh
 391   BOOLEAN               InSubtitle;          // nesting inside of EFI_IFR_SUBTITLE
 392
 393   LIST_ENTRY            InconsistentListHead;// nested inconsistent expression list (FORM_EXPRESSION)
 394   LIST_ENTRY            NoSubmitListHead;    // nested nosubmit expression list (FORM_EXPRESSION)
 395   FORM_EXPRESSION       *GrayOutExpression;  // nesting inside of GrayOutIf
 396   FORM_EXPRESSION       *SuppressExpression; // nesting inside of SuppressIf
 397   FORM_EXPRESSION       *DisableExpression;  // nesting inside of DisableIf
 398
 399   FORM_EXPRESSION       *ReadExpression;     // nested EFI_IFR_READ, provide this question value by read expression.
 400   FORM_EXPRESSION       *WriteExpression;    // nested EFI_IFR_WRITE, evaluate write expression after this question value is set.
 401 } FORM_BROWSER_STATEMENT;
 402
 403 #define FORM_BROWSER_STATEMENT_FROM_LINK(a)  CR (a, FORM_BROWSER_STATEMENT, Link, FORM_BROWSER_STATEMENT_SIGNATURE)
 404
 405 #define FORM_BROWSER_FORM_SIGNATURE  SIGNATURE_32 ('F', 'F', 'R', 'M')
 406 #define STANDARD_MAP_FORM_TYPE 0x01
 407
 408 typedef struct {
 409   UINTN             Signature;
 410   LIST_ENTRY        Link;
 411
 412   UINT16            FormId;               // FormId of normal form or formmap form.
 413   EFI_STRING_ID     FormTitle;            // FormTile of normal form, or FormMapMethod title of formmap form.
 414   UINT16            FormType;             // Specific form type for the different form.
 415
 416   EFI_IMAGE_ID      ImageId;
 417
 418   LIST_ENTRY        ExpressionListHead;   // List of Expressions (FORM_EXPRESSION)
 419   LIST_ENTRY        StatementListHead;    // List of Statements and Questions (FORM_BROWSER_STATEMENT)
 420   FORM_EXPRESSION   *SuppressExpression;  // nesting inside of SuppressIf
 421 } FORM_BROWSER_FORM;
 422
 423 #define FORM_BROWSER_FORM_FROM_LINK(a)  CR (a, FORM_BROWSER_FORM, Link, FORM_BROWSER_FORM_SIGNATURE)
 424
 425 #define FORMSET_DEFAULTSTORE_SIGNATURE  SIGNATURE_32 ('F', 'D', 'F', 'S')
 426
 427 typedef struct {
 428   UINTN            Signature;
 429   LIST_ENTRY       Link;
 430
 431   UINT16           DefaultId;
 432   EFI_STRING_ID    DefaultName;
 433 } FORMSET_DEFAULTSTORE;
 434
 435 #define FORMSET_DEFAULTSTORE_FROM_LINK(a)  CR (a, FORMSET_DEFAULTSTORE, Link, FORMSET_DEFAULTSTORE_SIGNATURE)
 436
 437 typedef struct {
 438   EFI_HII_HANDLE                  HiiHandle;
 439   EFI_HANDLE                      DriverHandle;
 440   EFI_HII_CONFIG_ACCESS_PROTOCOL  *ConfigAccess;
 441   EFI_DEVICE_PATH_PROTOCOL        *DevicePath;
 442
 443   UINTN                           IfrBinaryLength;
 444   UINT8                           *IfrBinaryData;
 445
 446   EFI_GUID                        Guid;
 447   EFI_STRING_ID                   FormSetTitle;
 448   EFI_STRING_ID                   Help;
 449   UINT8                           NumberOfClassGuid;
 450   EFI_GUID                        ClassGuid[3];         // Up to three ClassGuid
 451   UINT16                          Class;                // Tiano extended Class code
 452   UINT16                          SubClass;             // Tiano extended Subclass code
 453   EFI_IMAGE_ID                    ImageId;
 454
 455   FORM_BROWSER_STATEMENT          *StatementBuffer;     // Buffer for all Statements and Questions
 456   EXPRESSION_OPCODE               *ExpressionBuffer;    // Buffer for all Expression OpCode
 457
 458   LIST_ENTRY                      StorageListHead;      // Storage list (FORMSET_STORAGE)
 459   LIST_ENTRY                      DefaultStoreListHead; // DefaultStore list (FORMSET_DEFAULTSTORE)
 460   LIST_ENTRY                      FormListHead;         // Form list (FORM_BROWSER_FORM)
 461   LIST_ENTRY                      ExpressionListHead;   // List of Expressions (FORM_EXPRESSION)
 462 } FORM_BROWSER_FORMSET;
 463
 464 #define BROWSER_CONTEXT_SIGNATURE  SIGNATURE_32 ('B', 'C', 'T', 'X')
 465
 466 typedef struct {
 467   UINTN                 Signature;
 468   LIST_ENTRY            Link;
 469
 470   //
 471   // Globals defined in Setup.c
 472   //
 473   BANNER_DATA           *BannerData;
 474   UINTN                 ClassOfVfr;
 475   UINTN                 FunctionKeySetting;
 476   BOOLEAN               ResetRequired;
 477   BOOLEAN               NvUpdateRequired;
 478   UINT16                Direction;
 479   EFI_SCREEN_DESCRIPTOR ScreenDimensions;
 480   CHAR16                *FunctionNineString;
 481   CHAR16                *FunctionTenString;
 482   CHAR16                *EnterString;
 483   CHAR16                *EnterCommitString;
 484   CHAR16                *EnterEscapeString;
 485   CHAR16                *EscapeString;
 486   CHAR16                *SaveFailed;
 487   CHAR16                *MoveHighlight;
 488   CHAR16                *MakeSelection;
 489   CHAR16                *DecNumericInput;
 490   CHAR16                *HexNumericInput;
 491   CHAR16                *ToggleCheckBox;
 492   CHAR16                *PromptForData;
 493   CHAR16                *PromptForPassword;
 494   CHAR16                *PromptForNewPassword;
 495   CHAR16                *ConfirmPassword;
 496   CHAR16                *ConfirmError;
 497   CHAR16                *PassowordInvalid;
 498   CHAR16                *PressEnter;
 499   CHAR16                *EmptyString;
 500   CHAR16                *AreYouSure;
 501   CHAR16                *YesResponse;
 502   CHAR16                *NoResponse;
 503   CHAR16                *MiniString;
 504   CHAR16                *PlusString;
 505   CHAR16                *MinusString;
 506   CHAR16                *AdjustNumber;
 507   CHAR16                *SaveChanges;
 508   CHAR16                *OptionMismatch;
 509   CHAR16                *FormSuppress;
 510   CHAR16                PromptBlockWidth;
 511   CHAR16                OptionBlockWidth;
 512   CHAR16                HelpBlockWidth;
 513   FORM_BROWSER_FORMSET  *OldFormSet;
 514
 515   //
 516   // Globals defined in Ui.c
 517   //
 518   LIST_ENTRY           MenuOption;
 519   VOID                 *MenuRefreshHead;
 520 } BROWSER_CONTEXT;
 521
 522 #define BROWSER_CONTEXT_FROM_LINK(a)  CR (a, BROWSER_CONTEXT, Link, BROWSER_CONTEXT_SIGNATURE)
 523
 524 extern EFI_HII_DATABASE_PROTOCOL         *mHiiDatabase;
 525 extern EFI_HII_STRING_PROTOCOL           *mHiiString;
 526 extern EFI_HII_CONFIG_ROUTING_PROTOCOL   *mHiiConfigRouting;
 527
 528 extern BANNER_DATA           *gBannerData;
 529 extern EFI_HII_HANDLE        gFrontPageHandle;
 530 extern UINTN                 gClassOfVfr;
 531 extern UINTN                 gFunctionKeySetting;
 532 extern BOOLEAN               gResetRequired;
 533 extern BOOLEAN               gNvUpdateRequired;
 534 extern EFI_HII_HANDLE        gHiiHandle;
 535 extern UINT16                gDirection;
 536 extern EFI_SCREEN_DESCRIPTOR gScreenDimensions;
 537
 538 extern FORM_BROWSER_FORMSET  *gOldFormSet;
 539
 540 //
 541 // Browser Global Strings
 542 //
 543 extern CHAR16            *gFunctionNineString;
 544 extern CHAR16            *gFunctionTenString;
 545 extern CHAR16            *gEnterString;
 546 extern CHAR16            *gEnterCommitString;
 547 extern CHAR16            *gEnterEscapeString;
 548 extern CHAR16            *gEscapeString;
 549 extern CHAR16            *gSaveFailed;
 550 extern CHAR16            *gMoveHighlight;
 551 extern CHAR16            *gMakeSelection;
 552 extern CHAR16            *gDecNumericInput;
 553 extern CHAR16            *gHexNumericInput;
 554 extern CHAR16            *gToggleCheckBox;
 555 extern CHAR16            *gPromptForData;
 556 extern CHAR16            *gPromptForPassword;
 557 extern CHAR16            *gPromptForNewPassword;
 558 extern CHAR16            *gConfirmPassword;
 559 extern CHAR16            *gConfirmError;
 560 extern CHAR16            *gPassowordInvalid;
 561 extern CHAR16            *gPressEnter;
 562 extern CHAR16            *gEmptyString;
 563 extern CHAR16            *gAreYouSure;
 564 extern CHAR16            *gYesResponse;
 565 extern CHAR16            *gNoResponse;
 566 extern CHAR16            *gMiniString;
 567 extern CHAR16            *gPlusString;
 568 extern CHAR16            *gMinusString;
 569 extern CHAR16            *gAdjustNumber;
 570 extern CHAR16            *gSaveChanges;
 571 extern CHAR16            *gOptionMismatch;
 572 extern CHAR16            *gFormSuppress;
 573
 574 extern CHAR16            gPromptBlockWidth;
 575 extern CHAR16            gOptionBlockWidth;
 576 extern CHAR16            gHelpBlockWidth;
 577
 578 extern EFI_GUID          gZeroGuid;
 579 extern EFI_GUID          gTianoHiiIfrGuid;
 580
 581 #include "Ui.h"
 582 //
 583 // Global Procedure Defines
 584 //
 585
 586 /**
 587   Initialize the HII String Token to the correct values.
 588
 589 **/
 590 VOID
 591 InitializeBrowserStrings (
 592   VOID
 593   );
 594
 595 /**
 596   Prints a unicode string to the default console,
 597   using L"%s" format.
 598
 599   @param  String     String pointer.
 600
 601   @return Length of string printed to the console
 602
 603 **/
 604 UINTN
 605 PrintString (
 606   IN CHAR16       *String
 607   );
 608
 609 /**
 610   Prints a chracter to the default console,
 611   using L"%c" format.
 612
 613   @param  Character  Character to print.
 614
 615   @return Length of string printed to the console.
 616
 617 **/
 618 UINTN
 619 PrintChar (
 620   CHAR16       Character
 621   );
 622
 623 /**
 624   Prints a formatted unicode string to the default console, at
 625   the supplied cursor position.
 626
 627   @param  Column     The cursor position to print the string at.
 628   @param  Row        The cursor position to print the string at
 629   @param  Fmt        Format string
 630   @param  ...        Variable argument list for formating string.
 631
 632   @return Length of string printed to the console
 633
 634 **/
 635 UINTN
 636 PrintAt (
 637   IN UINTN     Column,
 638   IN UINTN     Row,
 639   IN CHAR16    *Fmt,
 640   ...
 641   );
 642
 643 /**
 644   Prints a unicode string to the default console, at
 645   the supplied cursor position, using L"%s" format.
 646
 647   @param  Column     The cursor position to print the string at.
 648   @param  Row        The cursor position to print the string at
 649   @param  String     String pointer.
 650
 651   @return Length of string printed to the console
 652
 653 **/
 654 UINTN
 655 PrintStringAt (
 656   IN UINTN     Column,
 657   IN UINTN     Row,
 658   IN CHAR16    *String
 659   );
 660
 661 /**
 662   Prints a chracter to the default console, at
 663   the supplied cursor position, using L"%c" format.
 664
 665   @param  Column     The cursor position to print the string at.
 666   @param  Row        The cursor position to print the string at.
 667   @param  Character  Character to print.
 668
 669   @return Length of string printed to the console.
 670
 671 **/
 672 UINTN
 673 PrintCharAt (
 674   IN UINTN     Column,
 675   IN UINTN     Row,
 676   CHAR16       Character
 677   );
 678
 679 /**
 680   Parse opcodes in the formset IFR binary.
 681
 682   @param  FormSet                Pointer of the FormSet data structure.
 683
 684   @retval EFI_SUCCESS            Opcode parse success.
 685   @retval Other                  Opcode parse fail.
 686
 687 **/
 688 EFI_STATUS
 689 ParseOpCodes (
 690   IN FORM_BROWSER_FORMSET              *FormSet
 691   );
 692
 693 /**
 694   Free resources allocated for a FormSet.
 695
 696   @param  FormSet                Pointer of the FormSet
 697
 698 **/
 699 VOID
 700 DestroyFormSet (
 701   IN OUT FORM_BROWSER_FORMSET  *FormSet
 702   );
 703
 704 /**
 705   This function displays the page frame.
 706
 707 **/
 708 VOID
 709 DisplayPageFrame (
 710   VOID
 711   );
 712
 713 /**
 714   Create a new string in HII Package List.
 715
 716   @param  String                 The String to be added
 717   @param  HiiHandle              The package list in the HII database to insert the
 718                                  specified string.
 719
 720   @return The output string.
 721
 722 **/
 723 EFI_STRING_ID
 724 NewString (
 725   IN  CHAR16                   *String,
 726   IN  EFI_HII_HANDLE           HiiHandle
 727   );
 728
 729 /**
 730   Delete a string from HII Package List.
 731
 732   @param  StringId               Id of the string in HII database.
 733   @param  HiiHandle              The HII package list handle.
 734
 735   @retval EFI_SUCCESS            The string was deleted successfully.
 736
 737 **/
 738 EFI_STATUS
 739 DeleteString (
 740   IN  EFI_STRING_ID            StringId,
 741   IN  EFI_HII_HANDLE           HiiHandle
 742   );
 743
 744 /**
 745   Get the string based on the StringId and HII Package List Handle.
 746
 747   @param  Token                  The String's ID.
 748   @param  HiiHandle              The package list in the HII database to search for
 749                                  the specified string.
 750
 751   @return The output string.
 752
 753 **/
 754 CHAR16 *
 755 GetToken (
 756   IN  EFI_STRING_ID                Token,
 757   IN  EFI_HII_HANDLE               HiiHandle
 758   );
 759
 760 /**
 761   Draw a pop up windows based on the dimension, number of lines and
 762   strings specified.
 763
 764   @param RequestedWidth  The width of the pop-up.
 765   @param NumberOfLines   The number of lines.
 766   @param Marker          The variable argument list for the list of string to be printed.
 767
 768 **/
 769 VOID
 770 CreateSharedPopUp (
 771   IN  UINTN                       RequestedWidth,
 772   IN  UINTN                       NumberOfLines,
 773   IN  VA_LIST                     Marker
 774   );
 775
 776 /**
 777   Routine used to abstract a generic dialog interface and return the selected key or string
 778
 779   @param  NumberOfLines          The number of lines for the dialog box
 780   @param  HotKey                 Defines whether a single character is parsed
 781                                  (TRUE) and returned in KeyValue or a string is
 782                                  returned in StringBuffer.  Two special characters
 783                                  are considered when entering a string, a SCAN_ESC
 784                                  and an CHAR_CARRIAGE_RETURN.  SCAN_ESC terminates
 785                                  string input and returns
 786   @param  MaximumStringSize      The maximum size in bytes of a typed in string
 787                                  (each character is a CHAR16) and the minimum
 788                                  string returned is two bytes
 789   @param  StringBuffer           The passed in pointer to the buffer which will
 790                                  hold the typed in string if HotKey is FALSE
 791   @param  KeyValue               The EFI_KEY value returned if HotKey is TRUE..
 792   @param  ...                    A series of (quantity == NumberOfLines) text
 793                                  strings which will be used to construct the dialog
 794                                  box
 795
 796   @retval EFI_SUCCESS            Displayed dialog and received user interaction
 797   @retval EFI_INVALID_PARAMETER  One of the parameters was invalid (e.g.
 798                                  (StringBuffer == NULL) && (HotKey == FALSE))
 799   @retval EFI_DEVICE_ERROR       User typed in an ESC character to exit the routine
 800
 801 **/
 802 EFI_STATUS
 803 CreateDialog (
 804   IN  UINTN                       NumberOfLines,
 805   IN  BOOLEAN                     HotKey,
 806   IN  UINTN                       MaximumStringSize,
 807   OUT CHAR16                      *StringBuffer,
 808   OUT EFI_INPUT_KEY               *KeyValue,
 809   ...
 810   );
 811
 812 /**
 813   Get Value for given Name from a NameValue Storage.
 814
 815   @param  Storage                The NameValue Storage.
 816   @param  Name                   The Name.
 817   @param  Value                  The retured Value.
 818
 819   @retval EFI_SUCCESS            Value found for given Name.
 820   @retval EFI_NOT_FOUND          No such Name found in NameValue storage.
 821
 822 **/
 823 EFI_STATUS
 824 GetValueByName (
 825   IN FORMSET_STORAGE         *Storage,
 826   IN CHAR16                  *Name,
 827   IN OUT CHAR16              **Value
 828   );
 829
 830 /**
 831   Set Value of given Name in a NameValue Storage.
 832
 833   @param  Storage                The NameValue Storage.
 834   @param  Name                   The Name.
 835   @param  Value                  The Value to set.
 836
 837   @retval EFI_SUCCESS            Value found for given Name.
 838   @retval EFI_NOT_FOUND          No such Name found in NameValue storage.
 839
 840 **/
 841 EFI_STATUS
 842 SetValueByName (
 843   IN FORMSET_STORAGE         *Storage,
 844   IN CHAR16                  *Name,
 845   IN CHAR16                  *Value
 846   );
 847
 848 /**
 849   Get Question's current Value.
 850
 851   @param  FormSet                FormSet data structure.
 852   @param  Form                   Form data structure.
 853   @param  Question               Question to be initialized.
 854   @param  Cached                 TRUE:  get from Edit copy FALSE: get from original
 855                                  Storage
 856
 857   @retval EFI_SUCCESS            The function completed successfully.
 858
 859 **/
 860 EFI_STATUS
 861 GetQuestionValue (
 862   IN FORM_BROWSER_FORMSET             *FormSet,
 863   IN FORM_BROWSER_FORM                *Form,
 864   IN OUT FORM_BROWSER_STATEMENT       *Question,
 865   IN BOOLEAN                          Cached
 866   );
 867
 868 /**
 869   Save Question Value to edit copy(cached) or Storage(uncached).
 870
 871   @param  FormSet                FormSet data structure.
 872   @param  Form                   Form data structure.
 873   @param  Question               Pointer to the Question.
 874   @param  Cached                 TRUE:  set to Edit copy FALSE: set to original
 875                                  Storage
 876
 877   @retval EFI_SUCCESS            The function completed successfully.
 878
 879 **/
 880 EFI_STATUS
 881 SetQuestionValue (
 882   IN FORM_BROWSER_FORMSET             *FormSet,
 883   IN FORM_BROWSER_FORM                *Form,
 884   IN OUT FORM_BROWSER_STATEMENT       *Question,
 885   IN BOOLEAN                          Cached
 886   );
 887
 888 /**
 889   Perform inconsistent check for a Form.
 890
 891   @param  FormSet                FormSet data structure.
 892   @param  Form                   Form data structure.
 893   @param  Question               The Question to be validated.
 894   @param  Type                   Validation type: InConsistent or NoSubmit
 895
 896   @retval EFI_SUCCESS            Form validation pass.
 897   @retval other                  Form validation failed.
 898
 899 **/
 900 EFI_STATUS
 901 ValidateQuestion (
 902   IN  FORM_BROWSER_FORMSET            *FormSet,
 903   IN  FORM_BROWSER_FORM               *Form,
 904   IN  FORM_BROWSER_STATEMENT          *Question,
 905   IN  UINTN                           Type
 906   );
 907
 908 /**
 909   Submit a Form.
 910
 911   @param  FormSet                FormSet data structure.
 912   @param  Form                   Form data structure.
 913
 914   @retval EFI_SUCCESS            The function completed successfully.
 915
 916 **/
 917 EFI_STATUS
 918 SubmitForm (
 919   IN FORM_BROWSER_FORMSET             *FormSet,
 920   IN FORM_BROWSER_FORM                *Form
 921   );
 922
 923 /**
 924   Reset Question to its default value.
 925
 926   @param  FormSet                The form set.
 927   @param  Form                   The form.
 928   @param  Question               The question.
 929   @param  DefaultId              The Class of the default.
 930
 931   @retval EFI_SUCCESS            Question is reset to default value.
 932
 933 **/
 934 EFI_STATUS
 935 GetQuestionDefault (
 936   IN FORM_BROWSER_FORMSET             *FormSet,
 937   IN FORM_BROWSER_FORM                *Form,
 938   IN FORM_BROWSER_STATEMENT           *Question,
 939   IN UINT16                           DefaultId
 940   );
 941
 942 /**
 943   Get current setting of Questions.
 944
 945   @param  FormSet                FormSet data structure.
 946
 947   @retval EFI_SUCCESS            The function completed successfully.
 948
 949 **/
 950 EFI_STATUS
 951 InitializeCurrentSetting (
 952   IN OUT FORM_BROWSER_FORMSET             *FormSet
 953   );
 954
 955 /**
 956   Initialize the internal data structure of a FormSet.
 957
 958   @param  Handle                 PackageList Handle
 959   @param  FormSetGuid            GUID of a formset. If not specified (NULL or zero
 960                                  GUID), take the first FormSet found in package
 961                                  list.
 962   @param  FormSet                FormSet data structure.
 963
 964   @retval EFI_SUCCESS            The function completed successfully.
 965   @retval EFI_NOT_FOUND          The specified FormSet could not be found.
 966
 967 **/
 968 EFI_STATUS
 969 InitializeFormSet (
 970   IN  EFI_HII_HANDLE                   Handle,
 971   IN OUT EFI_GUID                      *FormSetGuid,
 972   OUT FORM_BROWSER_FORMSET             *FormSet
 973   );
 974
 975 /**
 976   Reset Questions in a Form to their default value.
 977
 978   @param  FormSet                FormSet data structure.
 979   @param  Form                   The Form which to be reset.
 980   @param  DefaultId              The Class of the default.
 981
 982   @retval EFI_SUCCESS            The function completed successfully.
 983
 984 **/
 985 EFI_STATUS
 986 ExtractFormDefault (
 987   IN FORM_BROWSER_FORMSET             *FormSet,
 988   IN  FORM_BROWSER_FORM               *Form,
 989   IN UINT16                           DefaultId
 990   );
 991
 992 /**
 993   Initialize Question's Edit copy from Storage.
 994
 995   @param  Selection              Selection contains the information about
 996                                  the Selection, form and formset to be displayed.
 997                                  Selection action may be updated in retrieve callback.
 998   @param  FormSet                FormSet data structure.
 999   @param  Form                   Form data structure.
1000
1001   @retval EFI_SUCCESS            The function completed successfully.
1002
1003 **/
1004 EFI_STATUS
1005 LoadFormConfig (
1006   IN OUT UI_MENU_SELECTION    *Selection,
1007   IN FORM_BROWSER_FORMSET     *FormSet,
1008   IN FORM_BROWSER_FORM        *Form
1009   );
1010
1011 /**
1012   Initialize Question's Edit copy from Storage for the whole Formset.
1013
1014   @param  Selection              Selection contains the information about
1015                                  the Selection, form and formset to be displayed.
1016                                  Selection action may be updated in retrieve callback.
1017   @param  FormSet                FormSet data structure.
1018
1019   @retval EFI_SUCCESS            The function completed successfully.
1020
1021 **/
1022 EFI_STATUS
1023 LoadFormSetConfig (
1024   IN OUT UI_MENU_SELECTION    *Selection,
1025   IN     FORM_BROWSER_FORMSET *FormSet
1026   );
1027
1028 /**
1029   Convert setting of Buffer Storage or NameValue Storage to <ConfigResp>.
1030
1031   @param  Storage                The Storage to be conveted.
1032   @param  ConfigResp             The returned <ConfigResp>.
1033
1034   @retval EFI_SUCCESS            Convert success.
1035   @retval EFI_INVALID_PARAMETER  Incorrect storage type.
1036
1037 **/
1038 EFI_STATUS
1039 StorageToConfigResp (
1040   IN FORMSET_STORAGE         *Storage,
1041   IN CHAR16                  **ConfigResp
1042   );
1043
1044 /**
1045   Convert <ConfigResp> to settings in Buffer Storage or NameValue Storage.
1046
1047   @param  Storage                The Storage to receive the settings.
1048   @param  ConfigResp             The <ConfigResp> to be converted.
1049
1050   @retval EFI_SUCCESS            Convert success.
1051   @retval EFI_INVALID_PARAMETER  Incorrect storage type.
1052
1053 **/
1054 EFI_STATUS
1055 ConfigRespToStorage (
1056   IN FORMSET_STORAGE         *Storage,
1057   IN CHAR16                  *ConfigResp
1058   );
1059
1060 /**
1061   Fill storage's edit copy with settings requested from Configuration Driver.
1062
1063   @param  FormSet                FormSet data structure.
1064   @param  Storage                Buffer Storage.
1065
1066   @retval EFI_SUCCESS            The function completed successfully.
1067
1068 **/
1069 EFI_STATUS
1070 LoadStorage (
1071   IN FORM_BROWSER_FORMSET    *FormSet,
1072   IN FORMSET_STORAGE         *Storage
1073   );
1074
1075 /**
1076   Fetch the Ifr binary data of a FormSet.
1077
1078   @param  Handle                 PackageList Handle
1079   @param  FormSetGuid            GUID of a formset. If not specified (NULL or zero
1080                                  GUID), take the first FormSet found in package
1081                                  list.
1082   @param  BinaryLength           The length of the FormSet IFR binary.
1083   @param  BinaryData             The buffer designed to receive the FormSet.
1084
1085   @retval EFI_SUCCESS            Buffer filled with the requested FormSet.
1086                                  BufferLength was updated.
1087   @retval EFI_INVALID_PARAMETER  The handle is unknown.
1088   @retval EFI_NOT_FOUND          A form or FormSet on the requested handle cannot
1089                                  be found with the requested FormId.
1090
1091 **/
1092 EFI_STATUS
1093 GetIfrBinaryData (
1094   IN  EFI_HII_HANDLE   Handle,
1095   IN OUT EFI_GUID      *FormSetGuid,
1096   OUT UINTN            *BinaryLength,
1097   OUT UINT8            **BinaryData
1098   );
1099
1100 /**
1101   Save globals used by previous call to SendForm(). SendForm() may be called from
1102   HiiConfigAccess.Callback(), this will cause SendForm() be reentried.
1103   So, save globals of previous call to SendForm() and restore them upon exit.
1104
1105 **/
1106 VOID
1107 SaveBrowserContext (
1108   VOID
1109   );
1110
1111 /**
1112   Restore globals used by previous call to SendForm().
1113
1114 **/
1115 VOID
1116 RestoreBrowserContext (
1117   VOID
1118   );
1119
1120 /**
1121   This is the routine which an external caller uses to direct the browser
1122   where to obtain it's information.
1123
1124
1125   @param This            The Form Browser protocol instanse.
1126   @param Handles         A pointer to an array of Handles.  If HandleCount > 1 we
1127                          display a list of the formsets for the handles specified.
1128   @param HandleCount     The number of Handles specified in Handle.
1129   @param FormSetGuid     This field points to the EFI_GUID which must match the Guid
1130                          field in the EFI_IFR_FORM_SET op-code for the specified
1131                          forms-based package. If FormSetGuid is NULL, then this
1132                          function will display the first found forms package.
1133   @param FormId          This field specifies which EFI_IFR_FORM to render as the first
1134                          displayable page. If this field has a value of 0x0000, then
1135                          the forms browser will render the specified forms in their encoded order.
1136                          ScreenDimenions - This allows the browser to be called so that it occupies a
1137                          portion of the physical screen instead of dynamically determining the screen dimensions.
1138                          ActionRequest   - Points to the action recommended by the form.
1139   @param ScreenDimensions Points to recommended form dimensions, including any non-content area, in
1140                           characters.
1141   @param ActionRequest       Points to the action recommended by the form.
1142
1143   @retval  EFI_SUCCESS            The function completed successfully.
1144   @retval  EFI_INVALID_PARAMETER  One of the parameters has an invalid value.
1145   @retval  EFI_NOT_FOUND          No valid forms could be found to display.
1146
1147 **/
1148 EFI_STATUS
1149 EFIAPI
1150 SendForm (
1151   IN  CONST EFI_FORM_BROWSER2_PROTOCOL *This,
1152   IN  EFI_HII_HANDLE                   *Handles,
1153   IN  UINTN                            HandleCount,
1154   IN  EFI_GUID                         *FormSetGuid, OPTIONAL
1155   IN  UINT16                           FormId, OPTIONAL
1156   IN  CONST EFI_SCREEN_DESCRIPTOR      *ScreenDimensions, OPTIONAL
1157   OUT EFI_BROWSER_ACTION_REQUEST       *ActionRequest  OPTIONAL
1158   );
1159
1160 /**
1161   This function is called by a callback handler to retrieve uncommitted state
1162   data from the browser.
1163
1164   @param  This                   A pointer to the EFI_FORM_BROWSER2_PROTOCOL
1165                                  instance.
1166   @param  ResultsDataSize        A pointer to the size of the buffer associated
1167                                  with ResultsData.
1168   @param  ResultsData            A string returned from an IFR browser or
1169                                  equivalent. The results string will have no
1170                                  routing information in them.
1171   @param  RetrieveData           A BOOLEAN field which allows an agent to retrieve
1172                                  (if RetrieveData = TRUE) data from the uncommitted
1173                                  browser state information or set (if RetrieveData
1174                                  = FALSE) data in the uncommitted browser state
1175                                  information.
1176   @param  VariableGuid           An optional field to indicate the target variable
1177                                  GUID name to use.
1178   @param  VariableName           An optional field to indicate the target
1179                                  human-readable variable name.
1180
1181   @retval EFI_SUCCESS            The results have been distributed or are awaiting
1182                                  distribution.
1183   @retval EFI_BUFFER_TOO_SMALL   The ResultsDataSize specified was too small to
1184                                  contain the results data.
1185
1186 **/
1187 EFI_STATUS
1188 EFIAPI
1189 BrowserCallback (
1190   IN CONST EFI_FORM_BROWSER2_PROTOCOL  *This,
1191   IN OUT UINTN                         *ResultsDataSize,
1192   IN OUT EFI_STRING                    ResultsData,
1193   IN BOOLEAN                           RetrieveData,
1194   IN CONST EFI_GUID                    *VariableGuid, OPTIONAL
1195   IN CONST CHAR16                      *VariableName  OPTIONAL
1196   );
1197
1198 #endif