2 Private MACRO, structure and function definitions for Setup Browser module.
4 Copyright (c) 2007 - 2013, 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
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.
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>
36 #include <Guid/MdeModuleHii.h>
37 #include <Guid/HiiPlatformSetupFormset.h>
38 #include <Guid/HiiFormMapMethodGuid.h>
40 #include <Library/PrintLib.h>
41 #include <Library/DebugLib.h>
42 #include <Library/BaseMemoryLib.h>
43 #include <Library/UefiRuntimeServicesTableLib.h>
44 #include <Library/UefiDriverEntryPoint.h>
45 #include <Library/UefiBootServicesTableLib.h>
46 #include <Library/BaseLib.h>
47 #include <Library/MemoryAllocationLib.h>
48 #include <Library/HiiLib.h>
49 #include <Library/PcdLib.h>
50 #include <Library/DevicePathLib.h>
51 #include <Library/UefiLib.h>
55 // This is the generated header file which includes whatever needs to be exported (strings + IFR)
58 #define UI_ACTION_NONE 0
59 #define UI_ACTION_REFRESH_FORM 1
60 #define UI_ACTION_REFRESH_FORMSET 2
61 #define UI_ACTION_EXIT 3
67 #define ONE_SECOND 10000000
69 // Incremental string lenght of ConfigRequest
71 #define CONFIG_REQUEST_STRING_INCREMENTAL 1024
74 // Incremental size of stack for expression
76 #define EXPRESSION_STACK_SIZE_INCREMENT 0x100
78 #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 #define SETUP_DRIVER_SIGNATURE SIGNATURE_32 ('F', 'B', 'D', 'V')
90 EFI_FORM_BROWSER2_PROTOCOL FormBrowser2
;
91 EFI_FORM_BROWSER_EXTENSION_PROTOCOL FormBrowserEx
;
93 EDKII_FORM_BROWSER_EXTENSION2_PROTOCOL FormBrowserEx2
;
95 } SETUP_DRIVER_PRIVATE_DATA
;
98 // IFR relative definition
100 #define EFI_HII_EXPRESSION_INCONSISTENT_IF 0
101 #define EFI_HII_EXPRESSION_NO_SUBMIT_IF 1
102 #define EFI_HII_EXPRESSION_GRAY_OUT_IF 2
103 #define EFI_HII_EXPRESSION_SUPPRESS_IF 3
104 #define EFI_HII_EXPRESSION_DISABLE_IF 4
105 #define EFI_HII_EXPRESSION_VALUE 5
106 #define EFI_HII_EXPRESSION_RULE 6
107 #define EFI_HII_EXPRESSION_READ 7
108 #define EFI_HII_EXPRESSION_WRITE 8
110 #define EFI_HII_VARSTORE_BUFFER 0
111 #define EFI_HII_VARSTORE_NAME_VALUE 1
112 #define EFI_HII_VARSTORE_EFI_VARIABLE 2
113 #define EFI_HII_VARSTORE_EFI_VARIABLE_BUFFER 3
115 #define FORM_INCONSISTENT_VALIDATION 0
116 #define FORM_NO_SUBMIT_VALIDATION 1
118 #define NAME_VALUE_NODE_SIGNATURE SIGNATURE_32 ('N', 'V', 'S', 'T')
128 #define NAME_VALUE_NODE_FROM_LINK(a) CR (a, NAME_VALUE_NODE, Link, NAME_VALUE_NODE_SIGNATURE)
130 #define BROWSER_STORAGE_SIGNATURE SIGNATURE_32 ('B', 'S', 'T', 'G')
136 UINT8 Type
; // Storage type
140 CHAR16
*Name
; // For EFI_IFR_VARSTORE
143 UINT8
*EditBuffer
; // Edit copy for Buffer Storage
145 LIST_ENTRY NameValueListHead
; // List of NAME_VALUE_NODE
147 UINT32 Attributes
; // For EFI_IFR_VARSTORE_EFI: EFI Variable attribute
149 CHAR16
*ConfigHdr
; // <ConfigHdr>
150 CHAR16
*ConfigRequest
; // <ConfigRequest> = <ConfigHdr> + <RequestElement>
151 // <RequestElement> includes all fields which is used by current form sets.
152 UINTN SpareStrLen
; // Spare length of ConfigRequest string buffer
153 UINT8 ReferenceCount
; // How many form set storage refrence this storage.
156 #define BROWSER_STORAGE_FROM_LINK(a) CR (a, BROWSER_STORAGE, Link, BROWSER_STORAGE_SIGNATURE)
158 #define FORMSET_STORAGE_SIGNATURE SIGNATURE_32 ('F', 'S', 'T', 'G')
166 BROWSER_STORAGE
*BrowserStorage
;
168 CHAR16
*ConfigRequest
; // <ConfigRequest> = <ConfigHdr> + <RequestElement>
169 CHAR16
*ConfigElements
;// Elements need to load initial data.
170 UINTN ElementCount
; // Number of <RequestElement> in the <ConfigRequest>
171 UINTN SpareStrLen
; // Spare length of ConfigRequest string buffer
174 #define FORMSET_STORAGE_FROM_LINK(a) CR (a, FORMSET_STORAGE, Link, FORMSET_STORAGE_SIGNATURE)
177 EFI_STRING_ID VarName
;
181 #define EXPRESSION_OPCODE_SIGNATURE SIGNATURE_32 ('E', 'X', 'O', 'P')
189 UINT8 Format
; // For EFI_IFR_TO_STRING, EFI_IFR_FIND
190 UINT8 Flags
; // For EFI_IFR_SPAN
191 UINT8 RuleId
; // For EFI_IFR_RULE_REF
193 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
195 EFI_QUESTION_ID QuestionId
; // For EFI_IFR_EQ_ID_ID, EFI_IFR_EQ_ID_VAL_LIST, EFI_IFR_QUESTION_REF1
196 EFI_QUESTION_ID QuestionId2
;
198 UINT16 ListLength
; // For EFI_IFR_EQ_ID_VAL_LIST
201 EFI_STRING_ID DevicePath
; // For EFI_IFR_QUESTION_REF3_2, EFI_IFR_QUESTION_REF3_3
204 BROWSER_STORAGE
*VarStorage
; // For EFI_IFR_SET, EFI_IFR_GET
205 VAR_STORE_INFO VarStoreInfo
;// For EFI_IFR_SET, EFI_IFR_GET
206 UINT8 ValueType
; // For EFI_IFR_SET, EFI_IFR_GET
207 UINT8 ValueWidth
; // For EFI_IFR_SET, EFI_IFR_GET
208 CHAR16
*ValueName
; // For EFI_IFR_SET, EFI_IFR_GET
209 LIST_ENTRY MapExpressionList
; // nested expressions inside of Map opcode.
212 #define EXPRESSION_OPCODE_FROM_LINK(a) CR (a, EXPRESSION_OPCODE, Link, EXPRESSION_OPCODE_SIGNATURE)
214 #define FORM_EXPRESSION_SIGNATURE SIGNATURE_32 ('F', 'E', 'X', 'P')
220 UINT8 Type
; // Type for this expression
222 UINT8 RuleId
; // For EFI_IFR_RULE only
223 EFI_STRING_ID Error
; // For EFI_IFR_NO_SUBMIT_IF, EFI_IFR_INCONSISTENT_IF only
225 EFI_HII_VALUE Result
; // Expression evaluation result
227 LIST_ENTRY OpCodeListHead
; // OpCodes consist of this expression (EXPRESSION_OPCODE)
230 #define FORM_EXPRESSION_FROM_LINK(a) CR (a, FORM_EXPRESSION, Link, FORM_EXPRESSION_SIGNATURE)
232 #define FORM_EXPRESSION_LIST_SIGNATURE SIGNATURE_32 ('F', 'E', 'X', 'R')
237 FORM_EXPRESSION
*Expression
[1]; // Array[Count] of expressions
238 } FORM_EXPRESSION_LIST
;
240 #define QUESTION_DEFAULT_SIGNATURE SIGNATURE_32 ('Q', 'D', 'F', 'T')
247 EFI_HII_VALUE Value
; // Default value
249 FORM_EXPRESSION
*ValueExpression
; // Not-NULL indicates default value is provided by EFI_IFR_VALUE
252 #define QUESTION_DEFAULT_FROM_LINK(a) CR (a, QUESTION_DEFAULT, Link, QUESTION_DEFAULT_SIGNATURE)
254 #define QUESTION_OPTION_SIGNATURE SIGNATURE_32 ('Q', 'O', 'P', 'T')
260 EFI_IFR_ONE_OF_OPTION
*OpCode
; // OneOfOption Data
265 EFI_IMAGE_ID ImageId
;
267 FORM_EXPRESSION_LIST
*SuppressExpression
; // Non-NULL indicates nested inside of SuppressIf
270 #define QUESTION_OPTION_FROM_LINK(a) CR (a, QUESTION_OPTION, Link, QUESTION_OPTION_SIGNATURE)
286 #define FORM_BROWSER_STATEMENT_SIGNATURE SIGNATURE_32 ('F', 'S', 'T', 'A')
292 UINT8 Operand
; // The operand (first byte) of this Statement or Question
293 EFI_IFR_OP_HEADER
*OpCode
;
298 EFI_STRING_ID Prompt
;
300 EFI_STRING_ID TextTwo
; // For EFI_IFR_TEXT
303 // Fake Question Id, used for statement not has true QuestionId.
305 EFI_QUESTION_ID FakeQuestionId
;
310 EFI_QUESTION_ID QuestionId
; // The value of zero is reserved
311 EFI_VARSTORE_ID VarStoreId
; // A value of zero indicates no variable storage
312 BROWSER_STORAGE
*Storage
;
313 VAR_STORE_INFO VarStoreInfo
;
316 CHAR16
*VariableName
; // Name/Value or EFI Variable name
317 CHAR16
*BlockName
; // Buffer storage block name: "OFFSET=...WIDTH=..."
319 EFI_HII_VALUE HiiValue
; // Edit copy for checkbox, numberic, oneof
320 UINT8
*BufferValue
; // Edit copy for string, password, orderedlist
321 UINT8 ValueType
; // Data type for orderedlist value array
324 // OpCode specific members
326 UINT8 Flags
; // for EFI_IFR_CHECKBOX, EFI_IFR_DATE, EFI_IFR_NUMERIC, EFI_IFR_ONE_OF,
327 // EFI_IFR_ORDERED_LIST, EFI_IFR_STRING,EFI_IFR_SUBTITLE,EFI_IFR_TIME, EFI_IFR_BANNER
328 UINT8 MaxContainers
; // for EFI_IFR_ORDERED_LIST
330 UINT16 BannerLineNumber
; // for EFI_IFR_BANNER, 1-based line number
331 EFI_STRING_ID QuestionConfig
; // for EFI_IFR_ACTION, if 0 then no configuration string will be processed
333 UINT64 Minimum
; // for EFI_IFR_ONE_OF/EFI_IFR_NUMERIC, it's Min/Max value
334 UINT64 Maximum
; // for EFI_IFR_STRING/EFI_IFR_PASSWORD, it's Min/Max length
337 EFI_DEFAULT_ID DefaultId
; // for EFI_IFR_RESET_BUTTON
338 EFI_GUID RefreshGuid
; // for EFI_IFR_REFRESH_ID
339 BOOLEAN Locked
; // Whether this statement is locked.
340 BOOLEAN ValueChanged
; // Whether this statement's value is changed.
342 // Get from IFR parsing
344 FORM_EXPRESSION
*ValueExpression
; // nested EFI_IFR_VALUE, provide Question value and indicate Question is ReadOnly
345 LIST_ENTRY DefaultListHead
; // nested EFI_IFR_DEFAULT list (QUESTION_DEFAULT), provide default values
346 LIST_ENTRY OptionListHead
; // nested EFI_IFR_ONE_OF_OPTION list (QUESTION_OPTION)
348 EFI_IMAGE_ID ImageId
; // nested EFI_IFR_IMAGE
349 UINT8 RefreshInterval
; // nested EFI_IFR_REFRESH, refresh interval(in seconds) for Question value, 0 means no refresh
350 BOOLEAN InSubtitle
; // nesting inside of EFI_IFR_SUBTITLE
352 LIST_ENTRY InconsistentListHead
;// nested inconsistent expression list (FORM_EXPRESSION)
353 LIST_ENTRY NoSubmitListHead
; // nested nosubmit expression list (FORM_EXPRESSION)
354 FORM_EXPRESSION_LIST
*Expression
; // nesting inside of GrayOutIf/DisableIf/SuppressIf
356 FORM_EXPRESSION
*ReadExpression
; // nested EFI_IFR_READ, provide this question value by read expression.
357 FORM_EXPRESSION
*WriteExpression
; // nested EFI_IFR_WRITE, evaluate write expression after this question value is set.
358 } FORM_BROWSER_STATEMENT
;
360 #define FORM_BROWSER_STATEMENT_FROM_LINK(a) CR (a, FORM_BROWSER_STATEMENT, Link, FORM_BROWSER_STATEMENT_SIGNATURE)
362 #define FORM_BROWSER_CONFIG_REQUEST_SIGNATURE SIGNATURE_32 ('F', 'C', 'R', 'S')
367 CHAR16
*ConfigRequest
; // <ConfigRequest> = <ConfigHdr> + <RequestElement>
368 UINTN ElementCount
; // Number of <RequestElement> in the <ConfigRequest>
371 BROWSER_STORAGE
*Storage
;
372 } FORM_BROWSER_CONFIG_REQUEST
;
373 #define FORM_BROWSER_CONFIG_REQUEST_FROM_LINK(a) CR (a, FORM_BROWSER_CONFIG_REQUEST, Link, FORM_BROWSER_CONFIG_REQUEST_SIGNATURE)
375 #define FORM_BROWSER_FORM_SIGNATURE SIGNATURE_32 ('F', 'F', 'R', 'M')
376 #define STANDARD_MAP_FORM_TYPE 0x01
382 UINT16 FormId
; // FormId of normal form or formmap form.
383 EFI_STRING_ID FormTitle
; // FormTile of normal form, or FormMapMethod title of formmap form.
384 UINT16 FormType
; // Specific form type for the different form.
386 EFI_IMAGE_ID ImageId
;
388 BOOLEAN ModalForm
; // Whether this is a modal form.
389 BOOLEAN Locked
; // Whether this form is locked.
391 LIST_ENTRY ExpressionListHead
; // List of Expressions (FORM_EXPRESSION)
392 LIST_ENTRY StatementListHead
; // List of Statements and Questions (FORM_BROWSER_STATEMENT)
393 LIST_ENTRY ConfigRequestHead
; // List of configreques for all storage.
394 FORM_EXPRESSION_LIST
*SuppressExpression
; // nesting inside of SuppressIf
397 #define FORM_BROWSER_FORM_FROM_LINK(a) CR (a, FORM_BROWSER_FORM, Link, FORM_BROWSER_FORM_SIGNATURE)
399 #define FORMSET_DEFAULTSTORE_SIGNATURE SIGNATURE_32 ('F', 'D', 'F', 'S')
406 EFI_STRING_ID DefaultName
;
407 } FORMSET_DEFAULTSTORE
;
409 #define FORMSET_DEFAULTSTORE_FROM_LINK(a) CR (a, FORMSET_DEFAULTSTORE, Link, FORMSET_DEFAULTSTORE_SIGNATURE)
411 #define FORM_BROWSER_FORMSET_SIGNATURE SIGNATURE_32 ('F', 'B', 'F', 'S')
416 EFI_HII_HANDLE HiiHandle
; // unique id for formset.
417 EFI_HANDLE DriverHandle
;
418 EFI_HII_CONFIG_ACCESS_PROTOCOL
*ConfigAccess
;
419 EFI_DEVICE_PATH_PROTOCOL
*DevicePath
;
421 UINTN IfrBinaryLength
;
422 UINT8
*IfrBinaryData
;
424 BOOLEAN QuestionInited
; // Have finished question initilization?
426 EFI_STRING_ID FormSetTitle
;
428 UINT8 NumberOfClassGuid
;
429 EFI_GUID ClassGuid
[3]; // Up to three ClassGuid
430 UINT16 Class
; // Tiano extended Class code
431 UINT16 SubClass
; // Tiano extended Subclass code
432 EFI_IMAGE_ID ImageId
;
434 FORM_BROWSER_STATEMENT
*StatementBuffer
; // Buffer for all Statements and Questions
435 EXPRESSION_OPCODE
*ExpressionBuffer
; // Buffer for all Expression OpCode
437 LIST_ENTRY StatementListOSF
; // Statement list out side of the form.
438 LIST_ENTRY StorageListHead
; // Storage list (FORMSET_STORAGE)
439 LIST_ENTRY DefaultStoreListHead
; // DefaultStore list (FORMSET_DEFAULTSTORE)
440 LIST_ENTRY FormListHead
; // Form list (FORM_BROWSER_FORM)
441 LIST_ENTRY ExpressionListHead
; // List of Expressions (FORM_EXPRESSION)
442 } FORM_BROWSER_FORMSET
;
443 #define FORM_BROWSER_FORMSET_FROM_LINK(a) CR (a, FORM_BROWSER_FORMSET, Link, FORM_BROWSER_FORMSET_SIGNATURE)
447 EFI_EVENT RefreshEvent
;
448 } FORM_BROWSER_REFRESH_EVENT_NODE
;
450 #define FORM_BROWSER_REFRESH_EVENT_FROM_LINK(a) BASE_CR (a, FORM_BROWSER_REFRESH_EVENT_NODE, Link)
454 EFI_HII_HANDLE Handle
;
457 // Target formset/form/Question information
459 EFI_GUID FormSetGuid
;
462 UINTN Sequence
; // used for time/date only.
471 // Ation for Browser to taken:
472 // UI_ACTION_NONE - navigation inside a form
473 // UI_ACTION_REFRESH_FORM - re-evaluate expressions and repaint form
474 // UI_ACTION_REFRESH_FORMSET - re-parse formset IFR binary
479 // Current selected fomset/form/Question
481 FORM_BROWSER_FORMSET
*FormSet
;
482 FORM_BROWSER_FORM
*Form
;
483 FORM_BROWSER_STATEMENT
*Statement
;
486 // Whether the Form is editable
488 BOOLEAN FormEditable
;
490 FORM_ENTRY_INFO
*CurrentMenu
;
493 #define BROWSER_CONTEXT_SIGNATURE SIGNATURE_32 ('B', 'C', 'T', 'X')
500 // Globals defined in Setup.c
502 BOOLEAN ResetRequired
;
503 BOOLEAN ExitRequired
;
504 EFI_HII_HANDLE HiiHandle
;
505 EFI_GUID FormSetGuid
;
507 UI_MENU_SELECTION
*Selection
;
509 LIST_ENTRY FormHistoryList
;
512 #define BROWSER_CONTEXT_FROM_LINK(a) CR (a, BROWSER_CONTEXT, Link, BROWSER_CONTEXT_SIGNATURE)
515 // Scope for get defaut value. It may be GetDefaultForNoStorage, GetDefaultForStorage or GetDefaultForAll.
518 GetDefaultForNoStorage
, // Get default value for question which not has storage.
519 GetDefaultForStorage
, // Get default value for question which has storage.
520 GetDefaultForAll
, // Get default value for all questions.
521 GetDefaultForMax
// Invalid value.
522 } BROWSER_GET_DEFAULT_VALUE
;
525 // Get/set question value from/to.
528 GetSetValueWithEditBuffer
, // Get/Set question value from/to editbuffer in the storage.
529 GetSetValueWithBuffer
, // Get/Set question value from/to buffer in the storage.
530 GetSetValueWithHiiDriver
, // Get/Set question value from/to hii driver.
531 GetSetValueWithMax
// Invalid value.
532 } GET_SET_QUESTION_VALUE_WITH
;
534 extern EFI_HII_DATABASE_PROTOCOL
*mHiiDatabase
;
535 extern EFI_HII_CONFIG_ROUTING_PROTOCOL
*mHiiConfigRouting
;
536 extern EFI_DEVICE_PATH_FROM_TEXT_PROTOCOL
*mPathFromText
;
537 extern EDKII_FORM_DISPLAY_ENGINE_PROTOCOL
*mFormDisplay
;
539 extern BOOLEAN gResetRequired
;
540 extern BOOLEAN gExitRequired
;
542 extern LIST_ENTRY gBrowserFormSetList
;
543 extern LIST_ENTRY gBrowserHotKeyList
;
544 extern BROWSER_SETTING_SCOPE gBrowserSettingScope
;
545 extern EXIT_HANDLER ExitHandlerFunction
;
546 extern EFI_HII_HANDLE mCurrentHiiHandle
;
548 // Browser Global Strings
550 extern CHAR16
*gEmptyString
;
552 extern EFI_GUID gZeroGuid
;
554 extern UI_MENU_SELECTION
*gCurrentSelection
;
557 // Global Procedure Defines
559 #include "Expression.h"
562 Initialize the HII String Token to the correct values.
566 InitializeBrowserStrings (
571 Parse opcodes in the formset IFR binary.
573 @param FormSet Pointer of the FormSet data structure.
575 @retval EFI_SUCCESS Opcode parse success.
576 @retval Other Opcode parse fail.
581 IN FORM_BROWSER_FORMSET
*FormSet
585 Free resources allocated for a FormSet.
587 @param FormSet Pointer of the FormSet
592 IN OUT FORM_BROWSER_FORMSET
*FormSet
597 Create a new string in HII Package List.
599 @param String The String to be added
600 @param HiiHandle The package list in the HII database to insert the
603 @return The output string.
609 IN EFI_HII_HANDLE HiiHandle
613 Delete a string from HII Package List.
615 @param StringId Id of the string in HII database.
616 @param HiiHandle The HII package list handle.
618 @retval EFI_SUCCESS The string was deleted successfully.
623 IN EFI_STRING_ID StringId
,
624 IN EFI_HII_HANDLE HiiHandle
628 Get the string based on the StringId and HII Package List Handle.
630 @param Token The String's ID.
631 @param HiiHandle The package list in the HII database to search for
632 the specified string.
634 @return The output string.
639 IN EFI_STRING_ID Token
,
640 IN EFI_HII_HANDLE HiiHandle
644 Get Value for given Name from a NameValue Storage.
646 @param Storage The NameValue Storage.
647 @param Name The Name.
648 @param Value The retured Value.
649 @param GetValueFrom Where to get source value, from EditValue or Value.
651 @retval EFI_SUCCESS Value found for given Name.
652 @retval EFI_NOT_FOUND No such Name found in NameValue storage.
657 IN BROWSER_STORAGE
*Storage
,
659 IN OUT CHAR16
**Value
,
660 IN GET_SET_QUESTION_VALUE_WITH GetValueFrom
664 Set Value of given Name in a NameValue Storage.
666 @param Storage The NameValue Storage.
667 @param Name The Name.
668 @param Value The Value to set.
669 @param SetValueTo Whether update editValue or Value.
670 @param ReturnNode The node use the input name.
672 @retval EFI_SUCCESS Value found for given Name.
673 @retval EFI_NOT_FOUND No such Name found in NameValue storage.
678 IN BROWSER_STORAGE
*Storage
,
681 IN GET_SET_QUESTION_VALUE_WITH SetValueTo
,
682 OUT NAME_VALUE_NODE
**ReturnNode
686 Validate whether this question's value has changed.
688 @param FormSet FormSet data structure.
689 @param Form Form data structure.
690 @param Question Question to be initialized.
691 @param GetValueFrom Where to get value, may from editbuffer, buffer or hii driver.
693 @retval TRUE Question's value has changed.
694 @retval FALSE Question's value has not changed
698 IsQuestionValueChanged (
699 IN FORM_BROWSER_FORMSET
*FormSet
,
700 IN FORM_BROWSER_FORM
*Form
,
701 IN OUT FORM_BROWSER_STATEMENT
*Question
,
702 IN GET_SET_QUESTION_VALUE_WITH GetValueFrom
706 Get Question's current Value.
708 @param FormSet FormSet data structure.
709 @param Form Form data structure.
710 @param Question Question to be initialized.
711 @param GetValueFrom Where to get value, may from editbuffer, buffer or hii driver.
713 @retval EFI_SUCCESS The function completed successfully.
718 IN FORM_BROWSER_FORMSET
*FormSet
,
719 IN FORM_BROWSER_FORM
*Form
,
720 IN OUT FORM_BROWSER_STATEMENT
*Question
,
721 IN GET_SET_QUESTION_VALUE_WITH GetValueFrom
725 Save Question Value to edit copy(cached) or Storage(uncached).
727 @param FormSet FormSet data structure.
728 @param Form Form data structure.
729 @param Question Pointer to the Question.
730 @param SetValueTo Update the question value to editbuffer , buffer or hii driver.
732 @retval EFI_SUCCESS The function completed successfully.
737 IN FORM_BROWSER_FORMSET
*FormSet
,
738 IN FORM_BROWSER_FORM
*Form
,
739 IN OUT FORM_BROWSER_STATEMENT
*Question
,
740 IN GET_SET_QUESTION_VALUE_WITH SetValueTo
744 Perform inconsistent check for a Form.
746 @param FormSet FormSet data structure.
747 @param Form Form data structure.
748 @param Question The Question to be validated.
749 @param Type Validation type: InConsistent or NoSubmit
751 @retval EFI_SUCCESS Form validation pass.
752 @retval other Form validation failed.
757 IN FORM_BROWSER_FORMSET
*FormSet
,
758 IN FORM_BROWSER_FORM
*Form
,
759 IN FORM_BROWSER_STATEMENT
*Question
,
765 Discard data based on the input setting scope (Form, FormSet or System).
767 @param FormSet FormSet data structure.
768 @param Form Form data structure.
769 @param SettingScope Setting Scope for Discard action.
771 @retval EFI_SUCCESS The function completed successfully.
772 @retval EFI_UNSUPPORTED Unsupport SettingScope.
777 IN FORM_BROWSER_FORMSET
*FormSet
,
778 IN FORM_BROWSER_FORM
*Form
,
779 IN BROWSER_SETTING_SCOPE SettingScope
783 Submit data based on the input Setting level (Form, FormSet or System).
785 @param FormSet FormSet data structure.
786 @param Form Form data structure.
787 @param SettingScope Setting Scope for Submit action.
789 @retval EFI_SUCCESS The function completed successfully.
790 @retval EFI_UNSUPPORTED Unsupport SettingScope.
795 IN FORM_BROWSER_FORMSET
*FormSet
,
796 IN FORM_BROWSER_FORM
*Form
,
797 IN BROWSER_SETTING_SCOPE SettingScope
801 Reset Question to its default value.
803 @param FormSet The form set.
804 @param Form The form.
805 @param Question The question.
806 @param DefaultId The Class of the default.
808 @retval EFI_SUCCESS Question is reset to default value.
813 IN FORM_BROWSER_FORMSET
*FormSet
,
814 IN FORM_BROWSER_FORM
*Form
,
815 IN FORM_BROWSER_STATEMENT
*Question
,
820 Get current setting of Questions.
822 @param FormSet FormSet data structure.
826 InitializeCurrentSetting (
827 IN OUT FORM_BROWSER_FORMSET
*FormSet
831 Initialize the internal data structure of a FormSet.
833 @param Handle PackageList Handle
834 @param FormSetGuid GUID of a formset. If not specified (NULL or zero
835 GUID), take the first FormSet found in package
837 @param FormSet FormSet data structure.
839 @retval EFI_SUCCESS The function completed successfully.
840 @retval EFI_NOT_FOUND The specified FormSet could not be found.
845 IN EFI_HII_HANDLE Handle
,
846 IN OUT EFI_GUID
*FormSetGuid
,
847 OUT FORM_BROWSER_FORMSET
*FormSet
851 Reset Questions to their initial value or default value in a Form, Formset or System.
853 GetDefaultValueScope parameter decides which questions will reset
854 to its default value.
856 @param FormSet FormSet data structure.
857 @param Form Form data structure.
858 @param DefaultId The Class of the default.
859 @param SettingScope Setting Scope for Default action.
860 @param GetDefaultValueScope Get default value scope.
861 @param Storage Get default value only for this storage.
862 @param RetrieveValueFirst Whether call the retrieve call back to
863 get the initial value before get default
866 @retval EFI_SUCCESS The function completed successfully.
867 @retval EFI_UNSUPPORTED Unsupport SettingScope.
872 IN FORM_BROWSER_FORMSET
*FormSet
,
873 IN FORM_BROWSER_FORM
*Form
,
875 IN BROWSER_SETTING_SCOPE SettingScope
,
876 IN BROWSER_GET_DEFAULT_VALUE GetDefaultValueScope
,
877 IN BROWSER_STORAGE
*Storage
,
878 IN BOOLEAN RetrieveValueFirst
882 Initialize Question's Edit copy from Storage.
884 @param Selection Selection contains the information about
885 the Selection, form and formset to be displayed.
886 Selection action may be updated in retrieve callback.
887 If Selection is NULL, only initialize Question value.
888 @param FormSet FormSet data structure.
889 @param Form Form data structure.
891 @retval EFI_SUCCESS The function completed successfully.
896 IN OUT UI_MENU_SELECTION
*Selection
,
897 IN FORM_BROWSER_FORMSET
*FormSet
,
898 IN FORM_BROWSER_FORM
*Form
902 Initialize Question's Edit copy from Storage for the whole Formset.
904 @param Selection Selection contains the information about
905 the Selection, form and formset to be displayed.
906 Selection action may be updated in retrieve callback.
907 If Selection is NULL, only initialize Question value.
908 @param FormSet FormSet data structure.
910 @retval EFI_SUCCESS The function completed successfully.
915 IN OUT UI_MENU_SELECTION
*Selection
,
916 IN FORM_BROWSER_FORMSET
*FormSet
920 Convert setting of Buffer Storage or NameValue Storage to <ConfigResp>.
922 @param Storage The Storage to be conveted.
923 @param ConfigResp The returned <ConfigResp>.
924 @param ConfigRequest The ConfigRequest string.
925 @param GetEditBuf Get the data from editbuffer or buffer.
927 @retval EFI_SUCCESS Convert success.
928 @retval EFI_INVALID_PARAMETER Incorrect storage type.
932 StorageToConfigResp (
933 IN BROWSER_STORAGE
*Storage
,
934 IN CHAR16
**ConfigResp
,
935 IN CHAR16
*ConfigRequest
,
936 IN BOOLEAN GetEditBuf
940 Convert <ConfigResp> to settings in Buffer Storage or NameValue Storage.
942 @param Storage The Storage to receive the settings.
943 @param ConfigResp The <ConfigResp> to be converted.
945 @retval EFI_SUCCESS Convert success.
946 @retval EFI_INVALID_PARAMETER Incorrect storage type.
950 ConfigRespToStorage (
951 IN BROWSER_STORAGE
*Storage
,
952 IN CHAR16
*ConfigResp
956 Fill storage's edit copy with settings requested from Configuration Driver.
958 @param FormSet FormSet data structure.
959 @param Storage Buffer Storage.
964 IN FORM_BROWSER_FORMSET
*FormSet
,
965 IN FORMSET_STORAGE
*Storage
969 Fetch the Ifr binary data of a FormSet.
971 @param Handle PackageList Handle
972 @param FormSetGuid GUID of a formset. If not specified (NULL or zero
973 GUID), take the first FormSet found in package
975 @param BinaryLength The length of the FormSet IFR binary.
976 @param BinaryData The buffer designed to receive the FormSet.
978 @retval EFI_SUCCESS Buffer filled with the requested FormSet.
979 BufferLength was updated.
980 @retval EFI_INVALID_PARAMETER The handle is unknown.
981 @retval EFI_NOT_FOUND A form or FormSet on the requested handle cannot
982 be found with the requested FormId.
987 IN EFI_HII_HANDLE Handle
,
988 IN OUT EFI_GUID
*FormSetGuid
,
989 OUT UINTN
*BinaryLength
,
990 OUT UINT8
**BinaryData
994 Save globals used by previous call to SendForm(). SendForm() may be called from
995 HiiConfigAccess.Callback(), this will cause SendForm() be reentried.
996 So, save globals of previous call to SendForm() and restore them upon exit.
1000 SaveBrowserContext (
1005 Restore globals used by previous call to SendForm().
1009 RestoreBrowserContext (
1014 This is the routine which an external caller uses to direct the browser
1015 where to obtain it's information.
1018 @param This The Form Browser protocol instanse.
1019 @param Handles A pointer to an array of Handles. If HandleCount > 1 we
1020 display a list of the formsets for the handles specified.
1021 @param HandleCount The number of Handles specified in Handle.
1022 @param FormSetGuid This field points to the EFI_GUID which must match the Guid
1023 field in the EFI_IFR_FORM_SET op-code for the specified
1024 forms-based package. If FormSetGuid is NULL, then this
1025 function will display the first found forms package.
1026 @param FormId This field specifies which EFI_IFR_FORM to render as the first
1027 displayable page. If this field has a value of 0x0000, then
1028 the forms browser will render the specified forms in their encoded order.
1029 ScreenDimenions - This allows the browser to be called so that it occupies a
1030 portion of the physical screen instead of dynamically determining the screen dimensions.
1031 ActionRequest - Points to the action recommended by the form.
1032 @param ScreenDimensions Points to recommended form dimensions, including any non-content area, in
1034 @param ActionRequest Points to the action recommended by the form.
1036 @retval EFI_SUCCESS The function completed successfully.
1037 @retval EFI_INVALID_PARAMETER One of the parameters has an invalid value.
1038 @retval EFI_NOT_FOUND No valid forms could be found to display.
1044 IN CONST EFI_FORM_BROWSER2_PROTOCOL
*This
,
1045 IN EFI_HII_HANDLE
*Handles
,
1046 IN UINTN HandleCount
,
1047 IN EFI_GUID
*FormSetGuid
, OPTIONAL
1048 IN UINT16 FormId
, OPTIONAL
1049 IN CONST EFI_SCREEN_DESCRIPTOR
*ScreenDimensions
, OPTIONAL
1050 OUT EFI_BROWSER_ACTION_REQUEST
*ActionRequest OPTIONAL
1054 This function is called by a callback handler to retrieve uncommitted state
1055 data from the browser.
1057 @param This A pointer to the EFI_FORM_BROWSER2_PROTOCOL
1059 @param ResultsDataSize A pointer to the size of the buffer associated
1061 @param ResultsData A string returned from an IFR browser or
1062 equivalent. The results string will have no
1063 routing information in them.
1064 @param RetrieveData A BOOLEAN field which allows an agent to retrieve
1065 (if RetrieveData = TRUE) data from the uncommitted
1066 browser state information or set (if RetrieveData
1067 = FALSE) data in the uncommitted browser state
1069 @param VariableGuid An optional field to indicate the target variable
1071 @param VariableName An optional field to indicate the target
1072 human-readable variable name.
1074 @retval EFI_SUCCESS The results have been distributed or are awaiting
1076 @retval EFI_BUFFER_TOO_SMALL The ResultsDataSize specified was too small to
1077 contain the results data.
1083 IN CONST EFI_FORM_BROWSER2_PROTOCOL
*This
,
1084 IN OUT UINTN
*ResultsDataSize
,
1085 IN OUT EFI_STRING ResultsData
,
1086 IN BOOLEAN RetrieveData
,
1087 IN CONST EFI_GUID
*VariableGuid
, OPTIONAL
1088 IN CONST CHAR16
*VariableName OPTIONAL
1092 Find menu which will show next time.
1094 @param Selection On input, Selection tell setup browser the information
1095 about the Selection, form and formset to be displayed.
1096 On output, Selection return the screen item that is selected
1098 @param SettingLevel Input Settting level, if it is FormLevel, just exit current form.
1099 else, we need to exit current formset.
1101 @retval TRUE Exit current form.
1102 @retval FALSE User press ESC and keep in current form.
1106 IN OUT UI_MENU_SELECTION
*Selection
,
1107 IN BROWSER_SETTING_SCOPE SettingLevel
1111 check whether the form need to update the NV.
1113 @param Form Form data structure.
1115 @retval TRUE Need to update the NV.
1116 @retval FALSE No need to update the NV.
1119 IsNvUpdateRequiredForForm (
1120 IN FORM_BROWSER_FORM
*Form
1124 check whether the formset need to update the NV.
1126 @param FormSet FormSet data structure.
1128 @retval TRUE Need to update the NV.
1129 @retval FALSE No need to update the NV.
1132 IsNvUpdateRequiredForFormSet (
1133 IN FORM_BROWSER_FORMSET
*FormSet
1137 Check whether the storage data for current form set is changed.
1139 @param FormSet FormSet data structure.
1141 @retval TRUE Data is changed.
1142 @retval FALSE Data is not changed.
1145 IsStorageDataChangedForFormSet (
1146 IN FORM_BROWSER_FORMSET
*FormSet
1150 Call the call back function for the question and process the return action.
1152 @param Selection On input, Selection tell setup browser the information
1153 about the Selection, form and formset to be displayed.
1154 On output, Selection return the screen item that is selected
1156 @param Statement The Question which need to call.
1157 @param Action The action request.
1158 @param SkipSaveOrDiscard Whether skip save or discard action.
1160 @retval EFI_SUCCESS The call back function excutes successfully.
1161 @return Other value if the call back function failed to excute.
1164 ProcessCallBackFunction (
1165 IN OUT UI_MENU_SELECTION
*Selection
,
1166 IN FORM_BROWSER_STATEMENT
*Question
,
1167 IN EFI_BROWSER_ACTION Action
,
1168 IN BOOLEAN SkipSaveOrDiscard
1172 Call the retrieve type call back function for one question to get the initialize data.
1174 This function only used when in the initialize stage, because in this stage, the
1175 Selection->Form is not ready. For other case, use the ProcessCallBackFunction instead.
1177 @param ConfigAccess The config access protocol produced by the hii driver.
1178 @param Statement The Question which need to call.
1180 @retval EFI_SUCCESS The call back function excutes successfully.
1181 @return Other value if the call back function failed to excute.
1184 ProcessRetrieveForQuestion (
1185 IN EFI_HII_CONFIG_ACCESS_PROTOCOL
*ConfigAccess
,
1186 IN FORM_BROWSER_STATEMENT
*Statement
1190 Find the matched FormSet context in the backup maintain list based on HiiHandle.
1192 @param Handle The Hii Handle.
1194 @return the found FormSet context. If no found, NULL will return.
1197 FORM_BROWSER_FORMSET
*
1198 GetFormSetFromHiiHandle (
1199 EFI_HII_HANDLE Handle
1203 Check whether the input HII handle is the FormSet that is being used.
1205 @param Handle The Hii Handle.
1207 @retval TRUE HII handle is being used.
1208 @retval FALSE HII handle is not being used.
1212 IsHiiHandleInBrowserContext (
1213 EFI_HII_HANDLE Handle
1217 Configure what scope the hot key will impact.
1218 All hot keys have the same scope. The mixed hot keys with the different level are not supported.
1219 If no scope is set, the default scope will be FormSet level.
1220 After all registered hot keys are removed, previous Scope can reset to another level.
1222 @param[in] Scope Scope level to be set.
1224 @retval EFI_SUCCESS Scope is set correctly.
1225 @retval EFI_INVALID_PARAMETER Scope is not the valid value specified in BROWSER_SETTING_SCOPE.
1226 @retval EFI_UNSPPORTED Scope level is different from current one that the registered hot keys have.
1232 IN BROWSER_SETTING_SCOPE Scope
1236 Register the hot key with its browser action, or unregistered the hot key.
1237 Only support hot key that is not printable character (control key, function key, etc.).
1238 If the action value is zero, the hot key will be unregistered if it has been registered.
1239 If the same hot key has been registered, the new action and help string will override the previous ones.
1241 @param[in] KeyData A pointer to a buffer that describes the keystroke
1242 information for the hot key. Its type is EFI_INPUT_KEY to
1243 be supported by all ConsoleIn devices.
1244 @param[in] Action Action value that describes what action will be trigged when the hot key is pressed.
1245 @param[in] DefaultId Specifies the type of defaults to retrieve, which is only for DEFAULT action.
1246 @param[in] HelpString Help string that describes the hot key information.
1247 Its value may be NULL for the unregistered hot key.
1249 @retval EFI_SUCCESS Hot key is registered or unregistered.
1250 @retval EFI_INVALID_PARAMETER KeyData is NULL.
1251 @retval EFI_NOT_FOUND KeyData is not found to be unregistered.
1252 @retval EFI_UNSUPPORTED Key represents a printable character. It is conflicted with Browser.
1257 IN EFI_INPUT_KEY
*KeyData
,
1259 IN UINT16 DefaultId
,
1260 IN EFI_STRING HelpString OPTIONAL
1264 Register Exit handler function.
1265 When more than one handler function is registered, the latter one will override the previous one.
1266 When NULL handler is specified, the previous Exit handler will be unregistered.
1268 @param[in] Handler Pointer to handler function.
1273 RegiserExitHandler (
1274 IN EXIT_HANDLER Handler
1279 Check whether the browser data has been modified.
1281 @retval TRUE Browser data is changed.
1282 @retval FALSE No browser data is changed.
1287 IsBrowserDataModified (
1293 Execute the action requested by the Action parameter.
1295 @param[in] Action Execute the request action.
1296 @param[in] DefaultId The default Id info when need to load default value.
1298 @retval EFI_SUCCESS Execute the request action succss.
1299 @retval EFI_INVALID_PARAMETER The input action value is invalid.
1310 Create reminder to let user to choose save or discard the changed browser data.
1311 Caller can use it to actively check the changed browser data.
1313 @retval BROWSER_NO_CHANGES No browser data is changed.
1314 @retval BROWSER_SAVE_CHANGES The changed browser data is saved.
1315 @retval BROWSER_DISCARD_CHANGES The changed browser data is discard.
1325 Find the registered HotKey based on KeyData.
1327 @param[in] KeyData A pointer to a buffer that describes the keystroke
1328 information for the hot key.
1330 @return The registered HotKey context. If no found, NULL will return.
1333 GetHotKeyFromRegisterList (
1334 IN EFI_INPUT_KEY
*KeyData
1339 Get FORM_BROWSER_STATEMENT from FORM_DISPLAY_ENGINE_STATEMENT based on the OpCode info.
1341 @param DisplayStatement The input FORM_DISPLAY_ENGINE_STATEMENT.
1343 @retval FORM_BROWSER_STATEMENT The return FORM_BROWSER_STATEMENT info.
1346 FORM_BROWSER_STATEMENT
*
1347 GetBrowserStatement (
1348 IN FORM_DISPLAY_ENGINE_STATEMENT
*DisplayStatement
1352 Password may be stored as encrypted by Configuration Driver. When change a
1353 password, user will be challenged with old password. To validate user input old
1354 password, we will send the clear text to Configuration Driver via Callback().
1355 Configuration driver is responsible to check the passed in password and return
1356 the validation result. If validation pass, state machine in password Callback()
1357 will transit from BROWSER_STATE_VALIDATE_PASSWORD to BROWSER_STATE_SET_PASSWORD.
1358 After user type in new password twice, Callback() will be invoked to send the
1359 new password to Configuration Driver.
1361 @param Selection Pointer to UI_MENU_SELECTION.
1362 @param MenuOption The MenuOption for this password Question.
1363 @param String The clear text of password.
1365 @retval EFI_NOT_AVAILABLE_YET Callback() request to terminate password input.
1366 @return In state of BROWSER_STATE_VALIDATE_PASSWORD:
1367 @retval EFI_SUCCESS Password correct, Browser will prompt for new
1369 @retval EFI_NOT_READY Password incorrect, Browser will show error
1371 @retval Other Browser will do nothing.
1372 @return In state of BROWSER_STATE_SET_PASSWORD:
1373 @retval EFI_SUCCESS Set password success.
1374 @retval Other Set password failed.
1379 IN UI_MENU_SELECTION
*Selection
,
1380 IN FORM_BROWSER_STATEMENT
*Question
,
1385 Display error message for invalid password.
1394 The worker function that send the displays to the screen. On output,
1395 the selection made by user is returned.
1397 @param Selection On input, Selection tell setup browser the information
1398 about the Selection, form and formset to be displayed.
1399 On output, Selection return the screen item that is selected
1402 @retval EFI_SUCCESS The page is displayed successfully.
1403 @return Other value if the page failed to be diplayed.
1408 IN OUT UI_MENU_SELECTION
*Selection
1412 Free up the resource allocated for all strings required
1417 FreeBrowserStrings (
1422 Create a menu with specified formset GUID and form ID, and add it as a child
1423 of the given parent menu.
1425 @param HiiHandle Hii handle related to this formset.
1426 @param FormSetGuid The Formset Guid of menu to be added.
1427 @param FormId The Form ID of menu to be added.
1428 @param QuestionId The question id of this menu to be added.
1430 @return A pointer to the newly added menu or NULL if memory is insufficient.
1435 IN EFI_HII_HANDLE HiiHandle
,
1436 IN EFI_GUID
*FormSetGuid
,
1438 IN UINT16 QuestionId
1442 Search Menu with given FormSetGuid and FormId in all cached menu list.
1444 @param HiiHandle HiiHandle for FormSet.
1445 @param FormSetGuid The Formset GUID of the menu to search.
1446 @param FormId The Form ID of menu to search.
1448 @return A pointer to menu found or NULL if not found.
1453 IN EFI_HII_HANDLE HiiHandle
,
1454 IN EFI_GUID
*FormSetGuid
,
1459 Free Menu list linked list.
1461 @param MenuListHead One Menu list point in the menu list.
1466 LIST_ENTRY
*MenuListHead
1470 Find parent menu for current menu.
1472 @param CurrentMenu Current Menu
1474 @retval The parent menu for current menu.
1478 IN FORM_ENTRY_INFO
*CurrentMenu
1482 Search an Option of a Question by its value.
1484 @param Question The Question
1485 @param OptionValue Value for Option to be searched.
1487 @retval Pointer Pointer to the found Option.
1488 @retval NULL Option not found.
1493 IN FORM_BROWSER_STATEMENT
*Question
,
1494 IN EFI_HII_VALUE
*OptionValue
1497 Return data element in an Array by its Index.
1499 @param Array The data array.
1500 @param Type Type of the data in this array.
1501 @param Index Zero based index for data in this array.
1503 @retval Value The data to be returned
1514 Set value of a data element in an Array by its Index.
1516 @param Array The data array.
1517 @param Type Type of the data in this array.
1518 @param Index Zero based index for data in this array.
1519 @param Value The value to be set.
1531 Compare two Hii value.
1533 @param Value1 Expression value to compare on left-hand.
1534 @param Value2 Expression value to compare on right-hand.
1535 @param Result Return value after compare.
1536 retval 0 Two operators equal.
1537 return Positive value if Value1 is greater than Value2.
1538 retval Negative value if Value1 is less than Value2.
1539 @param HiiHandle Only required for string compare.
1541 @retval other Could not perform compare on two values.
1542 @retval EFI_SUCCESS Compare the value success.
1547 IN EFI_HII_VALUE
*Value1
,
1548 IN EFI_HII_VALUE
*Value2
,
1550 IN EFI_HII_HANDLE HiiHandle OPTIONAL
1554 Perform Password check.
1555 Passwork may be encrypted by driver that requires the specific check.
1557 @param Form Form where Password Statement is in.
1558 @param Statement Password statement
1559 @param PasswordString Password string to be checked. It may be NULL.
1560 NULL means to restore password.
1561 "" string can be used to checked whether old password does exist.
1563 @return Status Status of Password check.
1568 IN FORM_DISPLAY_ENGINE_FORM
*Form
,
1569 IN FORM_DISPLAY_ENGINE_STATEMENT
*Statement
,
1570 IN EFI_STRING PasswordString OPTIONAL
1575 Get FORM_BROWSER_STATEMENT from FORM_DISPLAY_ENGINE_STATEMENT based on the OpCode info.
1577 @param DisplayStatement The input FORM_DISPLAY_ENGINE_STATEMENT.
1579 @retval FORM_BROWSER_STATEMENT The return FORM_BROWSER_STATEMENT info.
1582 FORM_BROWSER_STATEMENT
*
1583 GetBrowserStatement (
1584 IN FORM_DISPLAY_ENGINE_STATEMENT
*DisplayStatement
1589 Initialize the Display form structure data.
1593 InitializeDisplayFormData (
1599 Base on the current formset info, clean the ConfigRequest string in browser storage.
1601 @param FormSet Pointer of the FormSet
1605 CleanBrowserStorage (
1606 IN OUT FORM_BROWSER_FORMSET
*FormSet