1 /** @file 2 Private MACRO, structure and function definitions for Setup Browser module. 3 4 Copyright (c) 2007 - 2015, 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/FormBrowserEx2.h> 26 #include <Protocol/DisplayProtocol.h> 27 #include <Protocol/DevicePath.h> 28 #include <Protocol/UnicodeCollation.h> 29 #include <Protocol/HiiConfigAccess.h> 30 #include <Protocol/HiiConfigRouting.h> 31 #include <Protocol/HiiDatabase.h> 32 #include <Protocol/HiiString.h> 33 #include <Protocol/UserManager.h> 34 #include <Protocol/DevicePathFromText.h> 35 #include <Protocol/RegularExpressionProtocol.h> 36 37 #include <Guid/MdeModuleHii.h> 38 #include <Guid/HiiPlatformSetupFormset.h> 39 #include <Guid/HiiFormMapMethodGuid.h> 40 #include <Guid/ZeroGuid.h> 41 42 #include <Library/PrintLib.h> 43 #include <Library/DebugLib.h> 44 #include <Library/BaseMemoryLib.h> 45 #include <Library/UefiRuntimeServicesTableLib.h> 46 #include <Library/UefiDriverEntryPoint.h> 47 #include <Library/UefiBootServicesTableLib.h> 48 #include <Library/BaseLib.h> 49 #include <Library/MemoryAllocationLib.h> 50 #include <Library/HiiLib.h> 51 #include <Library/PcdLib.h> 52 #include <Library/DevicePathLib.h> 53 #include <Library/UefiLib.h> 54 55 56 // 57 // This is the generated header file which includes whatever needs to be exported (strings + IFR) 58 // 59 60 #define UI_ACTION_NONE 0 61 #define UI_ACTION_REFRESH_FORM 1 62 #define UI_ACTION_REFRESH_FORMSET 2 63 #define UI_ACTION_EXIT 3 64 65 // 66 // 67 // Time definitions 68 // 69 #define ONE_SECOND 10000000 70 71 // Incremental string lenght of ConfigRequest 72 // 73 #define CONFIG_REQUEST_STRING_INCREMENTAL 1024 74 75 // 76 // Incremental size of stack for expression 77 // 78 #define EXPRESSION_STACK_SIZE_INCREMENT 0x100 79 80 #define EFI_IFR_SPECIFICATION_VERSION (UINT16) (((EFI_SYSTEM_TABLE_REVISION >> 16) << 8) | (((EFI_SYSTEM_TABLE_REVISION & 0xFFFF) / 10) << 4) | ((EFI_SYSTEM_TABLE_REVISION & 0xFFFF) % 10)) 81 82 83 #define SETUP_DRIVER_SIGNATURE SIGNATURE_32 ('F', 'B', 'D', 'V') 84 typedef struct { 85 UINT32 Signature; 86 87 EFI_HANDLE Handle; 88 89 // 90 // Produced protocol 91 // 92 EFI_FORM_BROWSER2_PROTOCOL FormBrowser2; 93 EFI_FORM_BROWSER_EXTENSION_PROTOCOL FormBrowserEx; 94 95 EDKII_FORM_BROWSER_EXTENSION2_PROTOCOL FormBrowserEx2; 96 97 } SETUP_DRIVER_PRIVATE_DATA; 98 99 // 100 // IFR relative definition 101 // 102 #define EFI_HII_EXPRESSION_INCONSISTENT_IF 0 103 #define EFI_HII_EXPRESSION_NO_SUBMIT_IF 1 104 #define EFI_HII_EXPRESSION_GRAY_OUT_IF 2 105 #define EFI_HII_EXPRESSION_SUPPRESS_IF 3 106 #define EFI_HII_EXPRESSION_DISABLE_IF 4 107 #define EFI_HII_EXPRESSION_VALUE 5 108 #define EFI_HII_EXPRESSION_RULE 6 109 #define EFI_HII_EXPRESSION_READ 7 110 #define EFI_HII_EXPRESSION_WRITE 8 111 #define EFI_HII_EXPRESSION_WARNING_IF 9 112 113 #define EFI_HII_VARSTORE_BUFFER 0 114 #define EFI_HII_VARSTORE_NAME_VALUE 1 115 #define EFI_HII_VARSTORE_EFI_VARIABLE 2 // EFI Varstore type follow UEFI spec before 2.3.1. 116 #define EFI_HII_VARSTORE_EFI_VARIABLE_BUFFER 3 // EFI varstore type follow UEFI spec 2.3.1 and later. 117 118 #define FORM_INCONSISTENT_VALIDATION 0 119 #define FORM_NO_SUBMIT_VALIDATION 1 120 121 #define NAME_VALUE_NODE_SIGNATURE SIGNATURE_32 ('N', 'V', 'S', 'T') 122 123 typedef struct { 124 UINTN Signature; 125 LIST_ENTRY Link; 126 CHAR16 *Name; 127 CHAR16 *Value; 128 CHAR16 *EditValue; 129 } NAME_VALUE_NODE; 130 131 #define NAME_VALUE_NODE_FROM_LINK(a) CR (a, NAME_VALUE_NODE, Link, NAME_VALUE_NODE_SIGNATURE) 132 133 #define BROWSER_STORAGE_SIGNATURE SIGNATURE_32 ('B', 'S', 'T', 'G') 134 135 typedef struct { 136 UINTN Signature; 137 LIST_ENTRY Link; 138 139 UINT8 Type; // Storage type 140 141 BOOLEAN Initialized; // Whether this varstore is initialized, efi varstore not used. 142 143 EFI_HII_HANDLE HiiHandle; // HiiHandle for this varstore, efi varstore not used. 144 EFI_GUID Guid; 145 146 CHAR16 *Name; // For EFI_IFR_VARSTORE 147 UINT16 Size; 148 UINT8 *Buffer; 149 UINT8 *EditBuffer; // Edit copy for Buffer Storage 150 151 LIST_ENTRY NameValueListHead; // List of NAME_VALUE_NODE 152 153 UINT32 Attributes; // For EFI_IFR_VARSTORE_EFI: EFI Variable attribute 154 155 CHAR16 *ConfigRequest; // <ConfigRequest> = <ConfigHdr> + <RequestElement> 156 // <RequestElement> includes all fields which is used by current form sets. 157 UINTN SpareStrLen; // Spare length of ConfigRequest string buffer 158 } BROWSER_STORAGE; 159 160 #define BROWSER_STORAGE_FROM_LINK(a) CR (a, BROWSER_STORAGE, Link, BROWSER_STORAGE_SIGNATURE) 161 162 #define FORMSET_STORAGE_SIGNATURE SIGNATURE_32 ('F', 'S', 'T', 'G') 163 164 typedef struct { 165 UINTN Signature; 166 LIST_ENTRY Link; 167 168 LIST_ENTRY SaveFailLink; 169 170 UINT16 VarStoreId; 171 172 BROWSER_STORAGE *BrowserStorage; 173 174 CHAR16 *ConfigHdr; // <ConfigHdr> 175 176 CHAR16 *ConfigRequest; // <ConfigRequest> = <ConfigHdr> + <RequestElement> 177 CHAR16 *ConfigAltResp; // Alt config response string for this ConfigRequest. 178 BOOLEAN HasCallAltCfg; // Flag to show whether browser has call ExtractConfig to get Altcfg string. 179 UINTN ElementCount; // Number of <RequestElement> in the <ConfigRequest> 180 UINTN SpareStrLen; // Spare length of ConfigRequest string buffer 181 } FORMSET_STORAGE; 182 183 #define FORMSET_STORAGE_FROM_LINK(a) CR (a, FORMSET_STORAGE, Link, FORMSET_STORAGE_SIGNATURE) 184 #define FORMSET_STORAGE_FROM_SAVE_FAIL_LINK(a) CR (a, FORMSET_STORAGE, SaveFailLink, FORMSET_STORAGE_SIGNATURE) 185 186 typedef union { 187 EFI_STRING_ID VarName; 188 UINT16 VarOffset; 189 } VAR_STORE_INFO; 190 191 #define EXPRESSION_OPCODE_SIGNATURE SIGNATURE_32 ('E', 'X', 'O', 'P') 192 193 typedef struct { 194 UINTN Signature; 195 LIST_ENTRY Link; 196 197 UINT8 Operand; 198 199 UINT8 Format; // For EFI_IFR_TO_STRING, EFI_IFR_FIND 200 UINT8 Flags; // For EFI_IFR_SPAN 201 UINT8 RuleId; // For EFI_IFR_RULE_REF 202 203 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 204 205 EFI_QUESTION_ID QuestionId; // For EFI_IFR_EQ_ID_ID, EFI_IFR_EQ_ID_VAL_LIST, EFI_IFR_QUESTION_REF1 206 EFI_QUESTION_ID QuestionId2; 207 208 UINT16 ListLength; // For EFI_IFR_EQ_ID_VAL_LIST 209 UINT16 *ValueList; 210 211 EFI_STRING_ID DevicePath; // For EFI_IFR_QUESTION_REF3_2, EFI_IFR_QUESTION_REF3_3 212 EFI_GUID Guid; 213 214 BROWSER_STORAGE *VarStorage; // For EFI_IFR_SET, EFI_IFR_GET 215 VAR_STORE_INFO VarStoreInfo;// For EFI_IFR_SET, EFI_IFR_GET 216 UINT8 ValueType; // For EFI_IFR_SET, EFI_IFR_GET 217 UINT8 ValueWidth; // For EFI_IFR_SET, EFI_IFR_GET 218 CHAR16 *ValueName; // For EFI_IFR_SET, EFI_IFR_GET 219 LIST_ENTRY MapExpressionList; // nested expressions inside of Map opcode. 220 } EXPRESSION_OPCODE; 221 222 #define EXPRESSION_OPCODE_FROM_LINK(a) CR (a, EXPRESSION_OPCODE, Link, EXPRESSION_OPCODE_SIGNATURE) 223 224 #define FORM_EXPRESSION_SIGNATURE SIGNATURE_32 ('F', 'E', 'X', 'P') 225 226 typedef struct { 227 UINTN Signature; 228 LIST_ENTRY Link; 229 230 UINT8 Type; // Type for this expression 231 232 UINT8 RuleId; // For EFI_IFR_RULE only 233 EFI_STRING_ID Error; // For EFI_IFR_NO_SUBMIT_IF, EFI_IFR_INCONSISTENT_IF only 234 235 EFI_HII_VALUE Result; // Expression evaluation result 236 237 UINT8 TimeOut; // For EFI_IFR_WARNING_IF 238 EFI_IFR_OP_HEADER *OpCode; // Save the opcode buffer. 239 240 LIST_ENTRY OpCodeListHead; // OpCodes consist of this expression (EXPRESSION_OPCODE) 241 } FORM_EXPRESSION; 242 243 #define FORM_EXPRESSION_FROM_LINK(a) CR (a, FORM_EXPRESSION, Link, FORM_EXPRESSION_SIGNATURE) 244 245 #define FORM_EXPRESSION_LIST_SIGNATURE SIGNATURE_32 ('F', 'E', 'X', 'R') 246 247 typedef struct { 248 UINTN Signature; 249 UINTN Count; 250 FORM_EXPRESSION *Expression[1]; // Array[Count] of expressions 251 } FORM_EXPRESSION_LIST; 252 253 #define QUESTION_DEFAULT_SIGNATURE SIGNATURE_32 ('Q', 'D', 'F', 'T') 254 255 typedef struct { 256 UINTN Signature; 257 LIST_ENTRY Link; 258 259 UINT16 DefaultId; 260 EFI_HII_VALUE Value; // Default value 261 262 FORM_EXPRESSION *ValueExpression; // Not-NULL indicates default value is provided by EFI_IFR_VALUE 263 } QUESTION_DEFAULT; 264 265 #define QUESTION_DEFAULT_FROM_LINK(a) CR (a, QUESTION_DEFAULT, Link, QUESTION_DEFAULT_SIGNATURE) 266 267 #define QUESTION_OPTION_SIGNATURE SIGNATURE_32 ('Q', 'O', 'P', 'T') 268 269 typedef struct { 270 UINTN Signature; 271 LIST_ENTRY Link; 272 273 EFI_IFR_ONE_OF_OPTION *OpCode; // OneOfOption Data 274 275 EFI_STRING_ID Text; 276 UINT8 Flags; 277 EFI_HII_VALUE Value; 278 EFI_IMAGE_ID ImageId; 279 280 FORM_EXPRESSION_LIST *SuppressExpression; // Non-NULL indicates nested inside of SuppressIf 281 } QUESTION_OPTION; 282 283 #define QUESTION_OPTION_FROM_LINK(a) CR (a, QUESTION_OPTION, Link, QUESTION_OPTION_SIGNATURE) 284 285 typedef enum { 286 ExpressFalse = 0, 287 ExpressGrayOut, 288 ExpressSuppress, 289 ExpressDisable 290 } EXPRESS_RESULT; 291 292 typedef enum { 293 ExpressNone = 0, 294 ExpressForm, 295 ExpressStatement, 296 ExpressOption 297 } EXPRESS_LEVEL; 298 299 typedef struct _FORM_BROWSER_STATEMENT FORM_BROWSER_STATEMENT; 300 301 #define FORM_BROWSER_STATEMENT_SIGNATURE SIGNATURE_32 ('F', 'S', 'T', 'A') 302 303 struct _FORM_BROWSER_STATEMENT{ 304 UINTN Signature; 305 LIST_ENTRY Link; 306 307 UINT8 Operand; // The operand (first byte) of this Statement or Question 308 EFI_IFR_OP_HEADER *OpCode; 309 310 // 311 // Statement Header 312 // 313 EFI_STRING_ID Prompt; 314 EFI_STRING_ID Help; 315 EFI_STRING_ID TextTwo; // For EFI_IFR_TEXT 316 317 // 318 // Fake Question Id, used for statement not has true QuestionId. 319 // 320 EFI_QUESTION_ID FakeQuestionId; 321 322 // 323 // Question Header 324 // 325 EFI_QUESTION_ID QuestionId; // The value of zero is reserved 326 EFI_VARSTORE_ID VarStoreId; // A value of zero indicates no variable storage 327 BROWSER_STORAGE *Storage; 328 VAR_STORE_INFO VarStoreInfo; 329 UINT16 StorageWidth; 330 UINT8 QuestionFlags; 331 CHAR16 *VariableName; // Name/Value or EFI Variable name 332 CHAR16 *BlockName; // Buffer storage block name: "OFFSET=...WIDTH=..." 333 334 EFI_HII_VALUE HiiValue; // Edit copy for checkbox, numberic, oneof 335 UINT8 *BufferValue; // Edit copy for string, password, orderedlist 336 UINT8 ValueType; // Data type for orderedlist value array 337 338 // 339 // OpCode specific members 340 // 341 UINT8 Flags; // for EFI_IFR_CHECKBOX, EFI_IFR_DATE, EFI_IFR_NUMERIC, EFI_IFR_ONE_OF, 342 // EFI_IFR_ORDERED_LIST, EFI_IFR_STRING,EFI_IFR_SUBTITLE,EFI_IFR_TIME, EFI_IFR_BANNER 343 UINT8 MaxContainers; // for EFI_IFR_ORDERED_LIST 344 345 UINT16 BannerLineNumber; // for EFI_IFR_BANNER, 1-based line number 346 EFI_STRING_ID QuestionConfig; // for EFI_IFR_ACTION, if 0 then no configuration string will be processed 347 348 UINT64 Minimum; // for EFI_IFR_ONE_OF/EFI_IFR_NUMERIC, it's Min/Max value 349 UINT64 Maximum; // for EFI_IFR_STRING/EFI_IFR_PASSWORD, it's Min/Max length 350 UINT64 Step; 351 352 EFI_DEFAULT_ID DefaultId; // for EFI_IFR_RESET_BUTTON 353 EFI_GUID RefreshGuid; // for EFI_IFR_REFRESH_ID 354 BOOLEAN Locked; // Whether this statement is locked. 355 BOOLEAN ValueChanged; // Whether this statement's value is changed. 356 // 357 // Get from IFR parsing 358 // 359 FORM_EXPRESSION *ValueExpression; // nested EFI_IFR_VALUE, provide Question value and indicate Question is ReadOnly 360 LIST_ENTRY DefaultListHead; // nested EFI_IFR_DEFAULT list (QUESTION_DEFAULT), provide default values 361 LIST_ENTRY OptionListHead; // nested EFI_IFR_ONE_OF_OPTION list (QUESTION_OPTION) 362 363 EFI_IMAGE_ID ImageId; // nested EFI_IFR_IMAGE 364 UINT8 RefreshInterval; // nested EFI_IFR_REFRESH, refresh interval(in seconds) for Question value, 0 means no refresh 365 366 FORM_BROWSER_STATEMENT *ParentStatement; 367 368 LIST_ENTRY InconsistentListHead;// nested inconsistent expression list (FORM_EXPRESSION) 369 LIST_ENTRY NoSubmitListHead; // nested nosubmit expression list (FORM_EXPRESSION) 370 LIST_ENTRY WarningListHead; // nested warning expression list (FORM_EXPRESSION) 371 FORM_EXPRESSION_LIST *Expression; // nesting inside of GrayOutIf/DisableIf/SuppressIf 372 373 FORM_EXPRESSION *ReadExpression; // nested EFI_IFR_READ, provide this question value by read expression. 374 FORM_EXPRESSION *WriteExpression; // nested EFI_IFR_WRITE, evaluate write expression after this question value is set. 375 }; 376 377 #define FORM_BROWSER_STATEMENT_FROM_LINK(a) CR (a, FORM_BROWSER_STATEMENT, Link, FORM_BROWSER_STATEMENT_SIGNATURE) 378 379 #define FORM_BROWSER_CONFIG_REQUEST_SIGNATURE SIGNATURE_32 ('F', 'C', 'R', 'S') 380 typedef struct { 381 UINTN Signature; 382 LIST_ENTRY Link; 383 384 LIST_ENTRY SaveFailLink; 385 386 CHAR16 *ConfigRequest; // <ConfigRequest> = <ConfigHdr> + <RequestElement> 387 CHAR16 *ConfigAltResp; // Alt config response string for this ConfigRequest. 388 UINTN ElementCount; // Number of <RequestElement> in the <ConfigRequest> 389 UINTN SpareStrLen; 390 391 BROWSER_STORAGE *Storage; 392 } FORM_BROWSER_CONFIG_REQUEST; 393 #define FORM_BROWSER_CONFIG_REQUEST_FROM_LINK(a) CR (a, FORM_BROWSER_CONFIG_REQUEST, Link, FORM_BROWSER_CONFIG_REQUEST_SIGNATURE) 394 #define FORM_BROWSER_CONFIG_REQUEST_FROM_SAVE_FAIL_LINK(a) CR (a, FORM_BROWSER_CONFIG_REQUEST, SaveFailLink, FORM_BROWSER_CONFIG_REQUEST_SIGNATURE) 395 396 #define FORM_BROWSER_FORM_SIGNATURE SIGNATURE_32 ('F', 'F', 'R', 'M') 397 #define STANDARD_MAP_FORM_TYPE 0x01 398 399 typedef struct { 400 UINTN Signature; 401 LIST_ENTRY Link; 402 403 UINT16 FormId; // FormId of normal form or formmap form. 404 EFI_STRING_ID FormTitle; // FormTile of normal form, or FormMapMethod title of formmap form. 405 UINT16 FormType; // Specific form type for the different form. 406 407 EFI_IMAGE_ID ImageId; 408 409 BOOLEAN ModalForm; // Whether this is a modal form. 410 BOOLEAN Locked; // Whether this form is locked. 411 EFI_GUID RefreshGuid; // Form refresh event guid. 412 413 LIST_ENTRY FormViewListHead; // List of type FORMID_INFO is Browser View Form History List. 414 LIST_ENTRY ExpressionListHead; // List of Expressions (FORM_EXPRESSION) 415 LIST_ENTRY StatementListHead; // List of Statements and Questions (FORM_BROWSER_STATEMENT) 416 LIST_ENTRY ConfigRequestHead; // List of configreques for all storage. 417 FORM_EXPRESSION_LIST *SuppressExpression; // nesting inside of SuppressIf 418 } FORM_BROWSER_FORM; 419 420 #define FORM_BROWSER_FORM_FROM_LINK(a) CR (a, FORM_BROWSER_FORM, Link, FORM_BROWSER_FORM_SIGNATURE) 421 422 #define FORMSET_DEFAULTSTORE_SIGNATURE SIGNATURE_32 ('F', 'D', 'F', 'S') 423 424 typedef struct { 425 UINTN Signature; 426 LIST_ENTRY Link; 427 428 UINT16 DefaultId; 429 EFI_STRING_ID DefaultName; 430 } FORMSET_DEFAULTSTORE; 431 432 #define FORMSET_DEFAULTSTORE_FROM_LINK(a) CR (a, FORMSET_DEFAULTSTORE, Link, FORMSET_DEFAULTSTORE_SIGNATURE) 433 434 #define FORM_BROWSER_FORMSET_SIGNATURE SIGNATURE_32 ('F', 'B', 'F', 'S') 435 436 typedef struct { 437 UINTN Signature; 438 LIST_ENTRY Link; 439 LIST_ENTRY SaveFailLink; 440 441 EFI_HII_HANDLE HiiHandle; // unique id for formset. 442 EFI_HANDLE DriverHandle; 443 EFI_HII_CONFIG_ACCESS_PROTOCOL *ConfigAccess; 444 EFI_DEVICE_PATH_PROTOCOL *DevicePath; 445 446 UINTN IfrBinaryLength; 447 UINT8 *IfrBinaryData; 448 449 BOOLEAN QuestionInited; // Have finished question initilization? 450 EFI_GUID Guid; 451 EFI_STRING_ID FormSetTitle; 452 EFI_STRING_ID Help; 453 UINT8 NumberOfClassGuid; 454 EFI_GUID ClassGuid[3]; // Up to three ClassGuid 455 UINT16 Class; // Tiano extended Class code 456 UINT16 SubClass; // Tiano extended Subclass code 457 EFI_IMAGE_ID ImageId; 458 EFI_IFR_OP_HEADER *OpCode; //mainly for formset op to get ClassGuid 459 460 FORM_BROWSER_STATEMENT *StatementBuffer; // Buffer for all Statements and Questions 461 EXPRESSION_OPCODE *ExpressionBuffer; // Buffer for all Expression OpCode 462 FORM_BROWSER_FORM *SaveFailForm; // The form which failed to save. 463 FORM_BROWSER_STATEMENT *SaveFailStatement; // The Statement which failed to save. 464 465 LIST_ENTRY StatementListOSF; // Statement list out side of the form. 466 LIST_ENTRY StorageListHead; // Storage list (FORMSET_STORAGE) 467 LIST_ENTRY SaveFailStorageListHead; // Storage list for the save fail storage. 468 LIST_ENTRY DefaultStoreListHead; // DefaultStore list (FORMSET_DEFAULTSTORE) 469 LIST_ENTRY FormListHead; // Form list (FORM_BROWSER_FORM) 470 LIST_ENTRY ExpressionListHead; // List of Expressions (FORM_EXPRESSION) 471 } FORM_BROWSER_FORMSET; 472 #define FORM_BROWSER_FORMSET_FROM_LINK(a) CR (a, FORM_BROWSER_FORMSET, Link, FORM_BROWSER_FORMSET_SIGNATURE) 473 474 #define FORM_BROWSER_FORMSET_FROM_SAVE_FAIL_LINK(a) CR (a, FORM_BROWSER_FORMSET, SaveFailLink, FORM_BROWSER_FORMSET_SIGNATURE) 475 476 typedef struct { 477 LIST_ENTRY Link; 478 EFI_EVENT RefreshEvent; 479 } FORM_BROWSER_REFRESH_EVENT_NODE; 480 481 #define FORM_BROWSER_REFRESH_EVENT_FROM_LINK(a) BASE_CR (a, FORM_BROWSER_REFRESH_EVENT_NODE, Link) 482 483 484 typedef struct { 485 EFI_HII_HANDLE Handle; 486 487 // 488 // Target formset/form/Question information 489 // 490 EFI_GUID FormSetGuid; 491 UINT16 FormId; 492 UINT16 QuestionId; 493 UINTN Sequence; // used for time/date only. 494 495 UINTN TopRow; 496 UINTN BottomRow; 497 UINTN PromptCol; 498 UINTN OptionCol; 499 UINTN CurrentRow; 500 501 // 502 // Ation for Browser to taken: 503 // UI_ACTION_NONE - navigation inside a form 504 // UI_ACTION_REFRESH_FORM - re-evaluate expressions and repaint form 505 // UI_ACTION_REFRESH_FORMSET - re-parse formset IFR binary 506 // 507 UINTN Action; 508 509 // 510 // Current selected fomset/form/Question 511 // 512 FORM_BROWSER_FORMSET *FormSet; 513 FORM_BROWSER_FORM *Form; 514 FORM_BROWSER_STATEMENT *Statement; 515 516 // 517 // Whether the Form is editable 518 // 519 BOOLEAN FormEditable; 520 521 FORM_ENTRY_INFO *CurrentMenu; 522 } UI_MENU_SELECTION; 523 524 #define BROWSER_CONTEXT_SIGNATURE SIGNATURE_32 ('B', 'C', 'T', 'X') 525 526 typedef struct { 527 UINTN Signature; 528 LIST_ENTRY Link; 529 530 // 531 // Globals defined in Setup.c 532 // 533 BOOLEAN FlagReconnect; 534 BOOLEAN CallbackReconnect; 535 BOOLEAN ResetRequired; 536 BOOLEAN ExitRequired; 537 EFI_HII_HANDLE HiiHandle; 538 EFI_GUID FormSetGuid; 539 EFI_FORM_ID FormId; 540 UI_MENU_SELECTION *Selection; 541 FORM_BROWSER_FORMSET *SystemLevelFormSet; 542 EFI_QUESTION_ID CurFakeQestId; 543 BOOLEAN HiiPackageListUpdated; 544 BOOLEAN FinishRetrieveCall; 545 LIST_ENTRY FormHistoryList; 546 LIST_ENTRY FormSetList; 547 } BROWSER_CONTEXT; 548 549 #define BROWSER_CONTEXT_FROM_LINK(a) CR (a, BROWSER_CONTEXT, Link, BROWSER_CONTEXT_SIGNATURE) 550 551 // 552 // Scope for get defaut value. It may be GetDefaultForNoStorage, GetDefaultForStorage or GetDefaultForAll. 553 // 554 typedef enum { 555 GetDefaultForNoStorage, // Get default value for question which not has storage. 556 GetDefaultForStorage, // Get default value for question which has storage. 557 GetDefaultForAll, // Get default value for all questions. 558 GetDefaultForMax // Invalid value. 559 } BROWSER_GET_DEFAULT_VALUE; 560 561 // 562 // Get/set question value from/to. 563 // 564 typedef enum { 565 GetSetValueWithEditBuffer = 0, // Get/Set question value from/to editbuffer in the storage. 566 GetSetValueWithBuffer, // Get/Set question value from/to buffer in the storage. 567 GetSetValueWithHiiDriver, // Get/Set question value from/to hii driver. 568 GetSetValueWithBothBuffer, // Compare the editbuffer with buffer for this question, not use the question value. 569 GetSetValueWithMax // Invalid value. 570 } GET_SET_QUESTION_VALUE_WITH; 571 572 extern EFI_HII_DATABASE_PROTOCOL *mHiiDatabase; 573 extern EFI_HII_CONFIG_ROUTING_PROTOCOL *mHiiConfigRouting; 574 extern EFI_DEVICE_PATH_FROM_TEXT_PROTOCOL *mPathFromText; 575 extern EDKII_FORM_DISPLAY_ENGINE_PROTOCOL *mFormDisplay; 576 577 extern BOOLEAN gCallbackReconnect; 578 extern BOOLEAN gFlagReconnect; 579 extern BOOLEAN gResetRequired; 580 extern BOOLEAN gExitRequired; 581 extern LIST_ENTRY gBrowserFormSetList; 582 extern LIST_ENTRY gBrowserHotKeyList; 583 extern BROWSER_SETTING_SCOPE gBrowserSettingScope; 584 extern EXIT_HANDLER ExitHandlerFunction; 585 extern EFI_HII_HANDLE mCurrentHiiHandle; 586 extern SETUP_DRIVER_PRIVATE_DATA mPrivateData; 587 // 588 // Browser Global Strings 589 // 590 extern CHAR16 *gEmptyString; 591 592 extern UI_MENU_SELECTION *gCurrentSelection; 593 extern BOOLEAN mHiiPackageListUpdated; 594 extern UINT16 mCurFakeQestId; 595 extern BOOLEAN mFinishRetrieveCall; 596 597 // 598 // Global Procedure Defines 599 // 600 #include "Expression.h" 601 602 /** 603 Initialize the HII String Token to the correct values. 604 605 **/ 606 VOID 607 InitializeBrowserStrings ( 608 VOID 609 ); 610 611 /** 612 Parse opcodes in the formset IFR binary. 613 614 @param FormSet Pointer of the FormSet data structure. 615 616 @retval EFI_SUCCESS Opcode parse success. 617 @retval Other Opcode parse fail. 618 619 **/ 620 EFI_STATUS 621 ParseOpCodes ( 622 IN FORM_BROWSER_FORMSET *FormSet 623 ); 624 625 /** 626 Free resources allocated for a FormSet. 627 628 @param FormSet Pointer of the FormSet 629 630 **/ 631 VOID 632 DestroyFormSet ( 633 IN OUT FORM_BROWSER_FORMSET *FormSet 634 ); 635 636 637 /** 638 Create a new string in HII Package List. 639 640 @param String The String to be added 641 @param HiiHandle The package list in the HII database to insert the 642 specified string. 643 644 @return The output string. 645 646 **/ 647 EFI_STRING_ID 648 NewString ( 649 IN CHAR16 *String, 650 IN EFI_HII_HANDLE HiiHandle 651 ); 652 653 /** 654 Delete a string from HII Package List. 655 656 @param StringId Id of the string in HII database. 657 @param HiiHandle The HII package list handle. 658 659 @retval EFI_SUCCESS The string was deleted successfully. 660 661 **/ 662 EFI_STATUS 663 DeleteString ( 664 IN EFI_STRING_ID StringId, 665 IN EFI_HII_HANDLE HiiHandle 666 ); 667 668 /** 669 Get the string based on the StringId and HII Package List Handle. 670 671 @param Token The String's ID. 672 @param HiiHandle The package list in the HII database to search for 673 the specified string. 674 675 @return The output string. 676 677 **/ 678 CHAR16 * 679 GetToken ( 680 IN EFI_STRING_ID Token, 681 IN EFI_HII_HANDLE HiiHandle 682 ); 683 684 /** 685 Get Value for given Name from a NameValue Storage. 686 687 @param Storage The NameValue Storage. 688 @param Name The Name. 689 @param Value The retured Value. 690 @param GetValueFrom Where to get source value, from EditValue or Value. 691 692 @retval EFI_SUCCESS Value found for given Name. 693 @retval EFI_NOT_FOUND No such Name found in NameValue storage. 694 695 **/ 696 EFI_STATUS 697 GetValueByName ( 698 IN BROWSER_STORAGE *Storage, 699 IN CHAR16 *Name, 700 IN OUT CHAR16 **Value, 701 IN GET_SET_QUESTION_VALUE_WITH GetValueFrom 702 ); 703 704 /** 705 Set Value of given Name in a NameValue Storage. 706 707 @param Storage The NameValue Storage. 708 @param Name The Name. 709 @param Value The Value to set. 710 @param SetValueTo Whether update editValue or Value. 711 @param ReturnNode The node use the input name. 712 713 @retval EFI_SUCCESS Value found for given Name. 714 @retval EFI_NOT_FOUND No such Name found in NameValue storage. 715 716 **/ 717 EFI_STATUS 718 SetValueByName ( 719 IN BROWSER_STORAGE *Storage, 720 IN CHAR16 *Name, 721 IN CHAR16 *Value, 722 IN GET_SET_QUESTION_VALUE_WITH SetValueTo, 723 OUT NAME_VALUE_NODE **ReturnNode 724 ); 725 726 /** 727 Validate whether this question's value has changed. 728 729 @param FormSet FormSet data structure. 730 @param Form Form data structure. 731 @param Question Question to be initialized. 732 @param GetValueFrom Where to get value, may from editbuffer, buffer or hii driver. 733 734 @retval TRUE Question's value has changed. 735 @retval FALSE Question's value has not changed 736 737 **/ 738 BOOLEAN 739 IsQuestionValueChanged ( 740 IN FORM_BROWSER_FORMSET *FormSet, 741 IN FORM_BROWSER_FORM *Form, 742 IN OUT FORM_BROWSER_STATEMENT *Question, 743 IN GET_SET_QUESTION_VALUE_WITH GetValueFrom 744 ); 745 746 /** 747 Validate the FormSet. If the formset is not validate, remove it from the list. 748 749 @param FormSet The input FormSet which need to validate. 750 751 @retval TRUE The handle is validate. 752 @retval FALSE The handle is invalidate. 753 754 **/ 755 BOOLEAN 756 ValidateFormSet ( 757 FORM_BROWSER_FORMSET *FormSet 758 ); 759 760 /** 761 Update the ValueChanged status for questions. 762 763 @param FormSet FormSet data structure. 764 @param Form Form data structure. 765 @param SettingScope Setting Scope for Default action. 766 767 **/ 768 VOID 769 UpdateStatementStatus ( 770 IN FORM_BROWSER_FORMSET *FormSet, 771 IN FORM_BROWSER_FORM *Form, 772 IN BROWSER_SETTING_SCOPE SettingScope 773 ); 774 775 /** 776 Get Question's current Value. 777 778 @param FormSet FormSet data structure. 779 @param Form Form data structure. 780 @param Question Question to be initialized. 781 @param GetValueFrom Where to get value, may from editbuffer, buffer or hii driver. 782 783 @retval EFI_SUCCESS The function completed successfully. 784 785 **/ 786 EFI_STATUS 787 GetQuestionValue ( 788 IN FORM_BROWSER_FORMSET *FormSet, 789 IN FORM_BROWSER_FORM *Form, 790 IN OUT FORM_BROWSER_STATEMENT *Question, 791 IN GET_SET_QUESTION_VALUE_WITH GetValueFrom 792 ); 793 794 /** 795 Save Question Value to edit copy(cached) or Storage(uncached). 796 797 @param FormSet FormSet data structure. 798 @param Form Form data structure. 799 @param Question Pointer to the Question. 800 @param SetValueTo Update the question value to editbuffer , buffer or hii driver. 801 802 @retval EFI_SUCCESS The function completed successfully. 803 804 **/ 805 EFI_STATUS 806 SetQuestionValue ( 807 IN FORM_BROWSER_FORMSET *FormSet, 808 IN FORM_BROWSER_FORM *Form, 809 IN OUT FORM_BROWSER_STATEMENT *Question, 810 IN GET_SET_QUESTION_VALUE_WITH SetValueTo 811 ); 812 813 /** 814 Perform inconsistent check for a Form. 815 816 @param FormSet FormSet data structure. 817 @param Form Form data structure. 818 @param Question The Question to be validated. 819 @param Type Validation type: InConsistent or NoSubmit 820 821 @retval EFI_SUCCESS Form validation pass. 822 @retval other Form validation failed. 823 824 **/ 825 EFI_STATUS 826 ValidateQuestion ( 827 IN FORM_BROWSER_FORMSET *FormSet, 828 IN FORM_BROWSER_FORM *Form, 829 IN FORM_BROWSER_STATEMENT *Question, 830 IN UINTN Type 831 ); 832 833 834 /** 835 Discard data based on the input setting scope (Form, FormSet or System). 836 837 @param FormSet FormSet data structure. 838 @param Form Form data structure. 839 @param SettingScope Setting Scope for Discard action. 840 841 @retval EFI_SUCCESS The function completed successfully. 842 @retval EFI_UNSUPPORTED Unsupport SettingScope. 843 844 **/ 845 EFI_STATUS 846 DiscardForm ( 847 IN FORM_BROWSER_FORMSET *FormSet, 848 IN FORM_BROWSER_FORM *Form, 849 IN BROWSER_SETTING_SCOPE SettingScope 850 ); 851 852 /** 853 Submit data based on the input Setting level (Form, FormSet or System). 854 855 @param FormSet FormSet data structure. 856 @param Form Form data structure. 857 @param SettingScope Setting Scope for Submit action. 858 859 @retval EFI_SUCCESS The function completed successfully. 860 @retval EFI_UNSUPPORTED Unsupport SettingScope. 861 862 **/ 863 EFI_STATUS 864 SubmitForm ( 865 IN FORM_BROWSER_FORMSET *FormSet, 866 IN FORM_BROWSER_FORM *Form, 867 IN BROWSER_SETTING_SCOPE SettingScope 868 ); 869 870 /** 871 Reset Question to its default value. 872 873 @param FormSet The form set. 874 @param Form The form. 875 @param Question The question. 876 @param DefaultId The Class of the default. 877 878 @retval EFI_SUCCESS Question is reset to default value. 879 880 **/ 881 EFI_STATUS 882 GetQuestionDefault ( 883 IN FORM_BROWSER_FORMSET *FormSet, 884 IN FORM_BROWSER_FORM *Form, 885 IN FORM_BROWSER_STATEMENT *Question, 886 IN UINT16 DefaultId 887 ); 888 889 /** 890 Get current setting of Questions. 891 892 @param FormSet FormSet data structure. 893 894 **/ 895 VOID 896 InitializeCurrentSetting ( 897 IN OUT FORM_BROWSER_FORMSET *FormSet 898 ); 899 900 /** 901 Initialize the internal data structure of a FormSet. 902 903 @param Handle PackageList Handle 904 @param FormSetGuid GUID of a formset. If not specified (NULL or zero 905 GUID), take the first FormSet found in package 906 list. 907 @param FormSet FormSet data structure. 908 909 @retval EFI_SUCCESS The function completed successfully. 910 @retval EFI_NOT_FOUND The specified FormSet could not be found. 911 912 **/ 913 EFI_STATUS 914 InitializeFormSet ( 915 IN EFI_HII_HANDLE Handle, 916 IN OUT EFI_GUID *FormSetGuid, 917 OUT FORM_BROWSER_FORMSET *FormSet 918 ); 919 920 /** 921 Reset Questions to their initial value or default value in a Form, Formset or System. 922 923 GetDefaultValueScope parameter decides which questions will reset 924 to its default value. 925 926 @param FormSet FormSet data structure. 927 @param Form Form data structure. 928 @param DefaultId The Class of the default. 929 @param SettingScope Setting Scope for Default action. 930 @param GetDefaultValueScope Get default value scope. 931 @param Storage Get default value only for this storage. 932 @param RetrieveValueFirst Whether call the retrieve call back to 933 get the initial value before get default 934 value. 935 @param SkipGetAltCfg Whether skip the get altcfg string process. 936 937 @retval EFI_SUCCESS The function completed successfully. 938 @retval EFI_UNSUPPORTED Unsupport SettingScope. 939 940 **/ 941 EFI_STATUS 942 ExtractDefault ( 943 IN FORM_BROWSER_FORMSET *FormSet, 944 IN FORM_BROWSER_FORM *Form, 945 IN UINT16 DefaultId, 946 IN BROWSER_SETTING_SCOPE SettingScope, 947 IN BROWSER_GET_DEFAULT_VALUE GetDefaultValueScope, 948 IN BROWSER_STORAGE *Storage, 949 IN BOOLEAN RetrieveValueFirst, 950 IN BOOLEAN SkipGetAltCfg 951 ); 952 953 /** 954 Initialize Question's Edit copy from Storage. 955 956 @param Selection Selection contains the information about 957 the Selection, form and formset to be displayed. 958 Selection action may be updated in retrieve callback. 959 If Selection is NULL, only initialize Question value. 960 @param FormSet FormSet data structure. 961 @param Form Form data structure. 962 963 @retval EFI_SUCCESS The function completed successfully. 964 965 **/ 966 EFI_STATUS 967 LoadFormConfig ( 968 IN OUT UI_MENU_SELECTION *Selection, 969 IN FORM_BROWSER_FORMSET *FormSet, 970 IN FORM_BROWSER_FORM *Form 971 ); 972 973 /** 974 Initialize Question's Edit copy from Storage for the whole Formset. 975 976 @param Selection Selection contains the information about 977 the Selection, form and formset to be displayed. 978 Selection action may be updated in retrieve callback. 979 If Selection is NULL, only initialize Question value. 980 @param FormSet FormSet data structure. 981 982 @retval EFI_SUCCESS The function completed successfully. 983 984 **/ 985 EFI_STATUS 986 LoadFormSetConfig ( 987 IN OUT UI_MENU_SELECTION *Selection, 988 IN FORM_BROWSER_FORMSET *FormSet 989 ); 990 991 /** 992 Convert setting of Buffer Storage or NameValue Storage to <ConfigResp>. 993 994 @param Storage The Storage to be conveted. 995 @param ConfigResp The returned <ConfigResp>. 996 @param ConfigRequest The ConfigRequest string. 997 @param GetEditBuf Get the data from editbuffer or buffer. 998 999 @retval EFI_SUCCESS Convert success. 1000 @retval EFI_INVALID_PARAMETER Incorrect storage type. 1001 1002 **/ 1003 EFI_STATUS 1004 StorageToConfigResp ( 1005 IN BROWSER_STORAGE *Storage, 1006 IN CHAR16 **ConfigResp, 1007 IN CHAR16 *ConfigRequest, 1008 IN BOOLEAN GetEditBuf 1009 ); 1010 1011 /** 1012 Convert <ConfigResp> to settings in Buffer Storage or NameValue Storage. 1013 1014 @param Storage The Storage to receive the settings. 1015 @param ConfigResp The <ConfigResp> to be converted. 1016 1017 @retval EFI_SUCCESS Convert success. 1018 @retval EFI_INVALID_PARAMETER Incorrect storage type. 1019 1020 **/ 1021 EFI_STATUS 1022 ConfigRespToStorage ( 1023 IN BROWSER_STORAGE *Storage, 1024 IN CHAR16 *ConfigResp 1025 ); 1026 1027 /** 1028 Fill storage's edit copy with settings requested from Configuration Driver. 1029 1030 @param FormSet FormSet data structure. 1031 @param Storage Buffer Storage. 1032 1033 **/ 1034 VOID 1035 LoadStorage ( 1036 IN FORM_BROWSER_FORMSET *FormSet, 1037 IN FORMSET_STORAGE *Storage 1038 ); 1039 1040 /** 1041 Fetch the Ifr binary data of a FormSet. 1042 1043 @param Handle PackageList Handle 1044 @param FormSetGuid GUID of a formset. If not specified (NULL or zero 1045 GUID), take the first FormSet found in package 1046 list. 1047 @param BinaryLength The length of the FormSet IFR binary. 1048 @param BinaryData The buffer designed to receive the FormSet. 1049 1050 @retval EFI_SUCCESS Buffer filled with the requested FormSet. 1051 BufferLength was updated. 1052 @retval EFI_INVALID_PARAMETER The handle is unknown. 1053 @retval EFI_NOT_FOUND A form or FormSet on the requested handle cannot 1054 be found with the requested FormId. 1055 1056 **/ 1057 EFI_STATUS 1058 GetIfrBinaryData ( 1059 IN EFI_HII_HANDLE Handle, 1060 IN OUT EFI_GUID *FormSetGuid, 1061 OUT UINTN *BinaryLength, 1062 OUT UINT8 **BinaryData 1063 ); 1064 1065 /** 1066 Save globals used by previous call to SendForm(). SendForm() may be called from 1067 HiiConfigAccess.Callback(), this will cause SendForm() be reentried. 1068 So, save globals of previous call to SendForm() and restore them upon exit. 1069 1070 **/ 1071 VOID 1072 SaveBrowserContext ( 1073 VOID 1074 ); 1075 1076 /** 1077 Restore globals used by previous call to SendForm(). 1078 1079 **/ 1080 VOID 1081 RestoreBrowserContext ( 1082 VOID 1083 ); 1084 1085 /** 1086 This is the routine which an external caller uses to direct the browser 1087 where to obtain it's information. 1088 1089 1090 @param This The Form Browser protocol instanse. 1091 @param Handles A pointer to an array of Handles. If HandleCount > 1 we 1092 display a list of the formsets for the handles specified. 1093 @param HandleCount The number of Handles specified in Handle. 1094 @param FormSetGuid This field points to the EFI_GUID which must match the Guid 1095 field in the EFI_IFR_FORM_SET op-code for the specified 1096 forms-based package. If FormSetGuid is NULL, then this 1097 function will display the first found forms package. 1098 @param FormId This field specifies which EFI_IFR_FORM to render as the first 1099 displayable page. If this field has a value of 0x0000, then 1100 the forms browser will render the specified forms in their encoded order. 1101 ScreenDimenions - This allows the browser to be called so that it occupies a 1102 portion of the physical screen instead of dynamically determining the screen dimensions. 1103 ActionRequest - Points to the action recommended by the form. 1104 @param ScreenDimensions Points to recommended form dimensions, including any non-content area, in 1105 characters. 1106 @param ActionRequest Points to the action recommended by the form. 1107 1108 @retval EFI_SUCCESS The function completed successfully. 1109 @retval EFI_INVALID_PARAMETER One of the parameters has an invalid value. 1110 @retval EFI_NOT_FOUND No valid forms could be found to display. 1111 1112 **/ 1113 EFI_STATUS 1114 EFIAPI 1115 SendForm ( 1116 IN CONST EFI_FORM_BROWSER2_PROTOCOL *This, 1117 IN EFI_HII_HANDLE *Handles, 1118 IN UINTN HandleCount, 1119 IN EFI_GUID *FormSetGuid, OPTIONAL 1120 IN UINT16 FormId, OPTIONAL 1121 IN CONST EFI_SCREEN_DESCRIPTOR *ScreenDimensions, OPTIONAL 1122 OUT EFI_BROWSER_ACTION_REQUEST *ActionRequest OPTIONAL 1123 ); 1124 1125 /** 1126 This function is called by a callback handler to retrieve uncommitted state 1127 data from the browser. 1128 1129 @param This A pointer to the EFI_FORM_BROWSER2_PROTOCOL 1130 instance. 1131 @param ResultsDataSize A pointer to the size of the buffer associated 1132 with ResultsData. 1133 @param ResultsData A string returned from an IFR browser or 1134 equivalent. The results string will have no 1135 routing information in them. 1136 @param RetrieveData A BOOLEAN field which allows an agent to retrieve 1137 (if RetrieveData = TRUE) data from the uncommitted 1138 browser state information or set (if RetrieveData 1139 = FALSE) data in the uncommitted browser state 1140 information. 1141 @param VariableGuid An optional field to indicate the target variable 1142 GUID name to use. 1143 @param VariableName An optional field to indicate the target 1144 human-readable variable name. 1145 1146 @retval EFI_SUCCESS The results have been distributed or are awaiting 1147 distribution. 1148 @retval EFI_BUFFER_TOO_SMALL The ResultsDataSize specified was too small to 1149 contain the results data. 1150 1151 **/ 1152 EFI_STATUS 1153 EFIAPI 1154 BrowserCallback ( 1155 IN CONST EFI_FORM_BROWSER2_PROTOCOL *This, 1156 IN OUT UINTN *ResultsDataSize, 1157 IN OUT EFI_STRING ResultsData, 1158 IN BOOLEAN RetrieveData, 1159 IN CONST EFI_GUID *VariableGuid, OPTIONAL 1160 IN CONST CHAR16 *VariableName OPTIONAL 1161 ); 1162 1163 /** 1164 Find menu which will show next time. 1165 1166 @param Selection On input, Selection tell setup browser the information 1167 about the Selection, form and formset to be displayed. 1168 On output, Selection return the screen item that is selected 1169 by user. 1170 @param SettingLevel Input Settting level, if it is FormLevel, just exit current form. 1171 else, we need to exit current formset. 1172 1173 @retval TRUE Exit current form. 1174 @retval FALSE User press ESC and keep in current form. 1175 **/ 1176 BOOLEAN 1177 FindNextMenu ( 1178 IN OUT UI_MENU_SELECTION *Selection, 1179 IN BROWSER_SETTING_SCOPE SettingLevel 1180 ); 1181 1182 /** 1183 check whether the form need to update the NV. 1184 1185 @param Form Form data structure. 1186 1187 @retval TRUE Need to update the NV. 1188 @retval FALSE No need to update the NV. 1189 **/ 1190 BOOLEAN 1191 IsNvUpdateRequiredForForm ( 1192 IN FORM_BROWSER_FORM *Form 1193 ); 1194 1195 /** 1196 check whether the formset need to update the NV. 1197 1198 @param FormSet FormSet data structure. 1199 1200 @retval TRUE Need to update the NV. 1201 @retval FALSE No need to update the NV. 1202 **/ 1203 BOOLEAN 1204 IsNvUpdateRequiredForFormSet ( 1205 IN FORM_BROWSER_FORMSET *FormSet 1206 ); 1207 1208 /** 1209 Call the call back function for the question and process the return action. 1210 1211 @param Selection On input, Selection tell setup browser the information 1212 about the Selection, form and formset to be displayed. 1213 On output, Selection return the screen item that is selected 1214 by user. 1215 @param FormSet The formset this question belong to. 1216 @param Form The form this question belong to. 1217 @param Question The Question which need to call. 1218 @param Action The action request. 1219 @param SkipSaveOrDiscard Whether skip save or discard action. 1220 1221 @retval EFI_SUCCESS The call back function excutes successfully. 1222 @return Other value if the call back function failed to excute. 1223 **/ 1224 EFI_STATUS 1225 ProcessCallBackFunction ( 1226 IN OUT UI_MENU_SELECTION *Selection, 1227 IN FORM_BROWSER_FORMSET *FormSet, 1228 IN FORM_BROWSER_FORM *Form, 1229 IN FORM_BROWSER_STATEMENT *Question, 1230 IN EFI_BROWSER_ACTION Action, 1231 IN BOOLEAN SkipSaveOrDiscard 1232 ); 1233 1234 /** 1235 Call the retrieve type call back function for one question to get the initialize data. 1236 1237 This function only used when in the initialize stage, because in this stage, the 1238 Selection->Form is not ready. For other case, use the ProcessCallBackFunction instead. 1239 1240 @param ConfigAccess The config access protocol produced by the hii driver. 1241 @param Statement The Question which need to call. 1242 @param FormSet The formset this question belong to. 1243 1244 @retval EFI_SUCCESS The call back function excutes successfully. 1245 @return Other value if the call back function failed to excute. 1246 **/ 1247 EFI_STATUS 1248 ProcessRetrieveForQuestion ( 1249 IN EFI_HII_CONFIG_ACCESS_PROTOCOL *ConfigAccess, 1250 IN FORM_BROWSER_STATEMENT *Statement, 1251 IN FORM_BROWSER_FORMSET *FormSet 1252 ); 1253 1254 /** 1255 Find the matched FormSet context in the backup maintain list based on HiiHandle. 1256 1257 @param Handle The Hii Handle. 1258 1259 @return the found FormSet context. If no found, NULL will return. 1260 1261 **/ 1262 FORM_BROWSER_FORMSET * 1263 GetFormSetFromHiiHandle ( 1264 EFI_HII_HANDLE Handle 1265 ); 1266 1267 /** 1268 Check whether the input HII handle is the FormSet that is being used. 1269 1270 @param Handle The Hii Handle. 1271 1272 @retval TRUE HII handle is being used. 1273 @retval FALSE HII handle is not being used. 1274 1275 **/ 1276 BOOLEAN 1277 IsHiiHandleInBrowserContext ( 1278 EFI_HII_HANDLE Handle 1279 ); 1280 1281 /** 1282 Configure what scope the hot key will impact. 1283 All hot keys have the same scope. The mixed hot keys with the different level are not supported. 1284 If no scope is set, the default scope will be FormSet level. 1285 After all registered hot keys are removed, previous Scope can reset to another level. 1286 1287 @param[in] Scope Scope level to be set. 1288 1289 @retval EFI_SUCCESS Scope is set correctly. 1290 @retval EFI_INVALID_PARAMETER Scope is not the valid value specified in BROWSER_SETTING_SCOPE. 1291 @retval EFI_UNSPPORTED Scope level is different from current one that the registered hot keys have. 1292 1293 **/ 1294 EFI_STATUS 1295 EFIAPI 1296 SetScope ( 1297 IN BROWSER_SETTING_SCOPE Scope 1298 ); 1299 1300 /** 1301 Register the hot key with its browser action, or unregistered the hot key. 1302 Only support hot key that is not printable character (control key, function key, etc.). 1303 If the action value is zero, the hot key will be unregistered if it has been registered. 1304 If the same hot key has been registered, the new action and help string will override the previous ones. 1305 1306 @param[in] KeyData A pointer to a buffer that describes the keystroke 1307 information for the hot key. Its type is EFI_INPUT_KEY to 1308 be supported by all ConsoleIn devices. 1309 @param[in] Action Action value that describes what action will be trigged when the hot key is pressed. 1310 @param[in] DefaultId Specifies the type of defaults to retrieve, which is only for DEFAULT action. 1311 @param[in] HelpString Help string that describes the hot key information. 1312 Its value may be NULL for the unregistered hot key. 1313 1314 @retval EFI_SUCCESS Hot key is registered or unregistered. 1315 @retval EFI_INVALID_PARAMETER KeyData is NULL. 1316 @retval EFI_NOT_FOUND KeyData is not found to be unregistered. 1317 @retval EFI_UNSUPPORTED Key represents a printable character. It is conflicted with Browser. 1318 @retval EFI_ALREADY_STARTED Key already been registered for one hot key. 1319 **/ 1320 EFI_STATUS 1321 EFIAPI 1322 RegisterHotKey ( 1323 IN EFI_INPUT_KEY *KeyData, 1324 IN UINT32 Action, 1325 IN UINT16 DefaultId, 1326 IN EFI_STRING HelpString OPTIONAL 1327 ); 1328 1329 /** 1330 Register Exit handler function. 1331 When more than one handler function is registered, the latter one will override the previous one. 1332 When NULL handler is specified, the previous Exit handler will be unregistered. 1333 1334 @param[in] Handler Pointer to handler function. 1335 1336 **/ 1337 VOID 1338 EFIAPI 1339 RegiserExitHandler ( 1340 IN EXIT_HANDLER Handler 1341 ); 1342 1343 /** 1344 1345 Check whether the browser data has been modified. 1346 1347 @retval TRUE Browser data is changed. 1348 @retval FALSE No browser data is changed. 1349 1350 **/ 1351 BOOLEAN 1352 EFIAPI 1353 IsBrowserDataModified ( 1354 VOID 1355 ); 1356 1357 /** 1358 1359 Execute the action requested by the Action parameter. 1360 1361 @param[in] Action Execute the request action. 1362 @param[in] DefaultId The default Id info when need to load default value. 1363 1364 @retval EFI_SUCCESS Execute the request action succss. 1365 @retval EFI_INVALID_PARAMETER The input action value is invalid. 1366 1367 **/ 1368 EFI_STATUS 1369 EFIAPI 1370 ExecuteAction ( 1371 IN UINT32 Action, 1372 IN UINT16 DefaultId 1373 ); 1374 1375 /** 1376 Create reminder to let user to choose save or discard the changed browser data. 1377 Caller can use it to actively check the changed browser data. 1378 1379 @retval BROWSER_NO_CHANGES No browser data is changed. 1380 @retval BROWSER_SAVE_CHANGES The changed browser data is saved. 1381 @retval BROWSER_DISCARD_CHANGES The changed browser data is discard. 1382 @retval BROWSER_KEEP_CURRENT Browser keep current changes. 1383 1384 **/ 1385 UINT32 1386 EFIAPI 1387 SaveReminder ( 1388 VOID 1389 ); 1390 1391 /** 1392 Check whether the Reset Required for the browser 1393 1394 @retval TRUE Browser required to reset after exit. 1395 @retval FALSE Browser not need to reset after exit. 1396 1397 **/ 1398 BOOLEAN 1399 EFIAPI 1400 IsResetRequired ( 1401 VOID 1402 ); 1403 1404 /** 1405 Find the registered HotKey based on KeyData. 1406 1407 @param[in] KeyData A pointer to a buffer that describes the keystroke 1408 information for the hot key. 1409 1410 @return The registered HotKey context. If no found, NULL will return. 1411 **/ 1412 BROWSER_HOT_KEY * 1413 GetHotKeyFromRegisterList ( 1414 IN EFI_INPUT_KEY *KeyData 1415 ); 1416 1417 /** 1418 1419 Get FORM_BROWSER_STATEMENT from FORM_DISPLAY_ENGINE_STATEMENT based on the OpCode info. 1420 1421 @param DisplayStatement The input FORM_DISPLAY_ENGINE_STATEMENT. 1422 1423 @retval FORM_BROWSER_STATEMENT The return FORM_BROWSER_STATEMENT info. 1424 1425 **/ 1426 FORM_BROWSER_STATEMENT * 1427 GetBrowserStatement ( 1428 IN FORM_DISPLAY_ENGINE_STATEMENT *DisplayStatement 1429 ); 1430 1431 /** 1432 Password may be stored as encrypted by Configuration Driver. When change a 1433 password, user will be challenged with old password. To validate user input old 1434 password, we will send the clear text to Configuration Driver via Callback(). 1435 Configuration driver is responsible to check the passed in password and return 1436 the validation result. If validation pass, state machine in password Callback() 1437 will transit from BROWSER_STATE_VALIDATE_PASSWORD to BROWSER_STATE_SET_PASSWORD. 1438 After user type in new password twice, Callback() will be invoked to send the 1439 new password to Configuration Driver. 1440 1441 @param Selection Pointer to UI_MENU_SELECTION. 1442 @param MenuOption The MenuOption for this password Question. 1443 @param String The clear text of password. 1444 1445 @retval EFI_NOT_AVAILABLE_YET Callback() request to terminate password input. 1446 @return In state of BROWSER_STATE_VALIDATE_PASSWORD: 1447 @retval EFI_SUCCESS Password correct, Browser will prompt for new 1448 password. 1449 @retval EFI_NOT_READY Password incorrect, Browser will show error 1450 message. 1451 @retval Other Browser will do nothing. 1452 @return In state of BROWSER_STATE_SET_PASSWORD: 1453 @retval EFI_SUCCESS Set password success. 1454 @retval Other Set password failed. 1455 1456 **/ 1457 EFI_STATUS 1458 PasswordCallback ( 1459 IN UI_MENU_SELECTION *Selection, 1460 IN FORM_BROWSER_STATEMENT *Question, 1461 IN CHAR16 *String 1462 ); 1463 1464 /** 1465 Display error message for invalid password. 1466 1467 **/ 1468 VOID 1469 PasswordInvalid ( 1470 VOID 1471 ); 1472 1473 /** 1474 The worker function that send the displays to the screen. On output, 1475 the selection made by user is returned. 1476 1477 @param Selection On input, Selection tell setup browser the information 1478 about the Selection, form and formset to be displayed. 1479 On output, Selection return the screen item that is selected 1480 by user. 1481 1482 @retval EFI_SUCCESS The page is displayed successfully. 1483 @return Other value if the page failed to be diplayed. 1484 1485 **/ 1486 EFI_STATUS 1487 SetupBrowser ( 1488 IN OUT UI_MENU_SELECTION *Selection 1489 ); 1490 1491 /** 1492 Free up the resource allocated for all strings required 1493 by Setup Browser. 1494 1495 **/ 1496 VOID 1497 FreeBrowserStrings ( 1498 VOID 1499 ); 1500 1501 /** 1502 Create a menu with specified formset GUID and form ID, and add it as a child 1503 of the given parent menu. 1504 1505 @param HiiHandle Hii handle related to this formset. 1506 @param FormSetGuid The Formset Guid of menu to be added. 1507 @param FormId The Form ID of menu to be added. 1508 @param QuestionId The question id of this menu to be added. 1509 1510 @return A pointer to the newly added menu or NULL if memory is insufficient. 1511 1512 **/ 1513 FORM_ENTRY_INFO * 1514 UiAddMenuList ( 1515 IN EFI_HII_HANDLE HiiHandle, 1516 IN EFI_GUID *FormSetGuid, 1517 IN UINT16 FormId, 1518 IN UINT16 QuestionId 1519 ); 1520 1521 /** 1522 Search Menu with given FormSetGuid and FormId in all cached menu list. 1523 1524 @param HiiHandle HiiHandle for FormSet. 1525 @param FormSetGuid The Formset GUID of the menu to search. 1526 @param FormId The Form ID of menu to search. 1527 1528 @return A pointer to menu found or NULL if not found. 1529 1530 **/ 1531 FORM_ENTRY_INFO * 1532 UiFindMenuList ( 1533 IN EFI_HII_HANDLE HiiHandle, 1534 IN EFI_GUID *FormSetGuid, 1535 IN UINT16 FormId 1536 ); 1537 1538 /** 1539 Free Menu list linked list. 1540 1541 @param MenuListHead One Menu list point in the menu list. 1542 1543 **/ 1544 VOID 1545 UiFreeMenuList ( 1546 LIST_ENTRY *MenuListHead 1547 ); 1548 1549 /** 1550 Find parent menu for current menu. 1551 1552 @param CurrentMenu Current Menu 1553 @param SettingLevel Whether find parent menu in Form Level or Formset level. 1554 In form level, just find the parent menu; 1555 In formset level, find the parent menu which has different 1556 formset guid value. 1557 1558 @retval The parent menu for current menu. 1559 **/ 1560 FORM_ENTRY_INFO * 1561 UiFindParentMenu ( 1562 IN FORM_ENTRY_INFO *CurrentMenu, 1563 IN BROWSER_SETTING_SCOPE SettingLevel 1564 ); 1565 1566 /** 1567 Validate the HiiHandle. 1568 1569 @param HiiHandle The input HiiHandle which need to validate. 1570 1571 @retval TRUE The handle is validate. 1572 @retval FALSE The handle is invalidate. 1573 1574 **/ 1575 BOOLEAN 1576 ValidateHiiHandle ( 1577 EFI_HII_HANDLE HiiHandle 1578 ); 1579 1580 /** 1581 Copy current Menu list to the new menu list. 1582 1583 @param NewMenuListHead New create Menu list. 1584 @param CurrentMenuListHead Current Menu list. 1585 1586 **/ 1587 VOID 1588 UiCopyMenuList ( 1589 OUT LIST_ENTRY *NewMenuListHead, 1590 IN LIST_ENTRY *CurrentMenuListHead 1591 ); 1592 1593 /** 1594 Search an Option of a Question by its value. 1595 1596 @param Question The Question 1597 @param OptionValue Value for Option to be searched. 1598 1599 @retval Pointer Pointer to the found Option. 1600 @retval NULL Option not found. 1601 1602 **/ 1603 QUESTION_OPTION * 1604 ValueToOption ( 1605 IN FORM_BROWSER_STATEMENT *Question, 1606 IN EFI_HII_VALUE *OptionValue 1607 ); 1608 /** 1609 Return data element in an Array by its Index. 1610 1611 @param Array The data array. 1612 @param Type Type of the data in this array. 1613 @param Index Zero based index for data in this array. 1614 1615 @retval Value The data to be returned 1616 1617 **/ 1618 UINT64 1619 GetArrayData ( 1620 IN VOID *Array, 1621 IN UINT8 Type, 1622 IN UINTN Index 1623 ); 1624 1625 /** 1626 Set value of a data element in an Array by its Index. 1627 1628 @param Array The data array. 1629 @param Type Type of the data in this array. 1630 @param Index Zero based index for data in this array. 1631 @param Value The value to be set. 1632 1633 **/ 1634 VOID 1635 SetArrayData ( 1636 IN VOID *Array, 1637 IN UINT8 Type, 1638 IN UINTN Index, 1639 IN UINT64 Value 1640 ); 1641 1642 /** 1643 Compare two Hii value. 1644 1645 @param Value1 Expression value to compare on left-hand. 1646 @param Value2 Expression value to compare on right-hand. 1647 @param Result Return value after compare. 1648 retval 0 Two operators equal. 1649 return Positive value if Value1 is greater than Value2. 1650 retval Negative value if Value1 is less than Value2. 1651 @param HiiHandle Only required for string compare. 1652 1653 @retval other Could not perform compare on two values. 1654 @retval EFI_SUCCESS Compare the value success. 1655 1656 **/ 1657 EFI_STATUS 1658 CompareHiiValue ( 1659 IN EFI_HII_VALUE *Value1, 1660 IN EFI_HII_VALUE *Value2, 1661 OUT INTN *Result, 1662 IN EFI_HII_HANDLE HiiHandle OPTIONAL 1663 ); 1664 1665 /** 1666 Perform Password check. 1667 Passwork may be encrypted by driver that requires the specific check. 1668 1669 @param Form Form where Password Statement is in. 1670 @param Statement Password statement 1671 @param PasswordString Password string to be checked. It may be NULL. 1672 NULL means to restore password. 1673 "" string can be used to checked whether old password does exist. 1674 1675 @return Status Status of Password check. 1676 **/ 1677 EFI_STATUS 1678 EFIAPI 1679 PasswordCheck ( 1680 IN FORM_DISPLAY_ENGINE_FORM *Form, 1681 IN FORM_DISPLAY_ENGINE_STATEMENT *Statement, 1682 IN EFI_STRING PasswordString OPTIONAL 1683 ); 1684 1685 /** 1686 1687 Get FORM_BROWSER_STATEMENT from FORM_DISPLAY_ENGINE_STATEMENT based on the OpCode info. 1688 1689 @param DisplayStatement The input FORM_DISPLAY_ENGINE_STATEMENT. 1690 1691 @retval FORM_BROWSER_STATEMENT The return FORM_BROWSER_STATEMENT info. 1692 1693 **/ 1694 FORM_BROWSER_STATEMENT * 1695 GetBrowserStatement ( 1696 IN FORM_DISPLAY_ENGINE_STATEMENT *DisplayStatement 1697 ); 1698 1699 /** 1700 1701 Initialize the Display form structure data. 1702 1703 **/ 1704 VOID 1705 InitializeDisplayFormData ( 1706 VOID 1707 ); 1708 1709 1710 /** 1711 Base on the current formset info, clean the ConfigRequest string in browser storage. 1712 1713 @param FormSet Pointer of the FormSet 1714 1715 **/ 1716 VOID 1717 CleanBrowserStorage ( 1718 IN OUT FORM_BROWSER_FORMSET *FormSet 1719 ); 1720 1721 /** 1722 Find HII Handle in the HII database associated with given Device Path. 1723 1724 If DevicePath is NULL, then ASSERT. 1725 1726 @param DevicePath Device Path associated with the HII package list 1727 handle. 1728 @param FormsetGuid The formset guid for this formset. 1729 1730 @retval Handle HII package list Handle associated with the Device 1731 Path. 1732 @retval NULL Hii Package list handle is not found. 1733 1734 **/ 1735 EFI_HII_HANDLE 1736 DevicePathToHiiHandle ( 1737 IN EFI_DEVICE_PATH_PROTOCOL *DevicePath, 1738 IN EFI_GUID *FormsetGuid 1739 ); 1740 1741 /** 1742 Adjust the config request info, remove the request elements which already in AllConfigRequest string. 1743 1744 @param Storage Form set Storage. 1745 @param Request The input request string. 1746 @param RespString Whether the input is ConfigRequest or ConfigResp format. 1747 1748 @retval TRUE Has element not covered by current used elements, need to continue to call ExtractConfig 1749 @retval FALSE All elements covered by current used elements. 1750 1751 **/ 1752 BOOLEAN 1753 ConfigRequestAdjust ( 1754 IN BROWSER_STORAGE *Storage, 1755 IN CHAR16 *Request, 1756 IN BOOLEAN RespString 1757 ); 1758 1759 /** 1760 Perform question check. 1761 1762 If one question has more than one check, process form high priority to low. 1763 1764 @param FormSet FormSet data structure. 1765 @param Form Form data structure. 1766 @param Question The Question to be validated. 1767 1768 @retval EFI_SUCCESS Form validation pass. 1769 @retval other Form validation failed. 1770 1771 **/ 1772 EFI_STATUS 1773 ValueChangedValidation ( 1774 IN FORM_BROWSER_FORMSET *FormSet, 1775 IN FORM_BROWSER_FORM *Form, 1776 IN FORM_BROWSER_STATEMENT *Question 1777 ); 1778 1779 /** 1780 Pop up the error info. 1781 1782 @param BrowserStatus The input browser status. 1783 @param HiiHandle The HiiHandle for this error opcode. 1784 @param OpCode The opcode use to get the erro info and timeout value. 1785 @param ErrorString Error string used by BROWSER_NO_SUBMIT_IF. 1786 1787 **/ 1788 UINT32 1789 PopupErrorMessage ( 1790 IN UINT32 BrowserStatus, 1791 IN EFI_HII_HANDLE HiiHandle, 1792 IN EFI_IFR_OP_HEADER *OpCode, OPTIONAL 1793 IN CHAR16 *ErrorString 1794 ); 1795 1796 /** 1797 Check whether the result is TRUE or FALSE. 1798 1799 For the EFI_HII_VALUE value type is numeric, return TRUE if the 1800 value is not 0. 1801 1802 @param Result Input the result data. 1803 1804 @retval TRUE The result is TRUE. 1805 @retval FALSE The result is FALSE. 1806 1807 **/ 1808 BOOLEAN 1809 IsTrue ( 1810 IN EFI_HII_VALUE *Result 1811 ); 1812 1813 /** 1814 Get Formset_storage base on the input varstoreid info. 1815 1816 @param FormSet Pointer of the current FormSet. 1817 @param VarStoreId Varstore ID info. 1818 1819 @return Pointer to a FORMSET_STORAGE data structure. 1820 1821 **/ 1822 FORMSET_STORAGE * 1823 GetFstStgFromVarId ( 1824 IN FORM_BROWSER_FORMSET *FormSet, 1825 IN EFI_VARSTORE_ID VarStoreId 1826 ); 1827 1828 /** 1829 Get Formset_storage base on the input browser storage. 1830 1831 More than one formsets may share the same browser storage, 1832 this function just get the first formset storage which 1833 share the browser storage. 1834 1835 @param Storage browser storage info. 1836 1837 @return Pointer to a FORMSET_STORAGE data structure. 1838 1839 1840 **/ 1841 FORMSET_STORAGE * 1842 GetFstStgFromBrsStg ( 1843 IN BROWSER_STORAGE *Storage 1844 ); 1845 1846 /** 1847 Reconnect the controller. 1848 1849 @param DriverHandle The controller handle which need to be reconnect. 1850 1851 @retval TRUE do the reconnect behavior success. 1852 @retval FALSE do the reconnect behavior failed. 1853 1854 **/ 1855 BOOLEAN 1856 ReconnectController ( 1857 IN EFI_HANDLE DriverHandle 1858 ); 1859 1860 /** 1861 Converts the unicode character of the string from uppercase to lowercase. 1862 This is a internal function. 1863 1864 @param ConfigString String to be converted 1865 1866 **/ 1867 VOID 1868 EFIAPI 1869 HiiToLower ( 1870 IN EFI_STRING ConfigString 1871 ); 1872 1873 #endif 1874