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audk/MdeModulePkg/Universal/SetupBrowserDxe/Setup.h

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/** @file
Private MACRO, structure and function definitions for Setup Browser module.
Copyright (c) 2007 - 2013, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#ifndef _SETUP_H_
#define _SETUP_H_
#include <PiDxe.h>
#include <Protocol/SimpleTextOut.h>
#include <Protocol/SimpleTextIn.h>
#include <Protocol/FormBrowser2.h>
#include <Protocol/FormBrowserEx2.h>
#include <Protocol/DisplayProtocol.h>
#include <Protocol/DevicePath.h>
#include <Protocol/UnicodeCollation.h>
#include <Protocol/HiiConfigAccess.h>
#include <Protocol/HiiConfigRouting.h>
#include <Protocol/HiiDatabase.h>
#include <Protocol/HiiString.h>
#include <Protocol/UserManager.h>
#include <Protocol/DevicePathFromText.h>
#include <Guid/MdeModuleHii.h>
#include <Guid/HiiPlatformSetupFormset.h>
#include <Guid/HiiFormMapMethodGuid.h>
#include <Library/PrintLib.h>
#include <Library/DebugLib.h>
#include <Library/BaseMemoryLib.h>
#include <Library/UefiRuntimeServicesTableLib.h>
#include <Library/UefiDriverEntryPoint.h>
#include <Library/UefiBootServicesTableLib.h>
#include <Library/BaseLib.h>
#include <Library/MemoryAllocationLib.h>
#include <Library/HiiLib.h>
#include <Library/PcdLib.h>
#include <Library/DevicePathLib.h>
#include <Library/UefiLib.h>
//
// This is the generated header file which includes whatever needs to be exported (strings + IFR)
//
#define UI_ACTION_NONE 0
#define UI_ACTION_REFRESH_FORM 1
#define UI_ACTION_REFRESH_FORMSET 2
#define UI_ACTION_EXIT 3
//
//
// Time definitions
//
#define ONE_SECOND 10000000
// Incremental string lenght of ConfigRequest
//
#define CONFIG_REQUEST_STRING_INCREMENTAL 1024
//
// Incremental size of stack for expression
//
#define EXPRESSION_STACK_SIZE_INCREMENT 0x100
#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))
#define SETUP_DRIVER_SIGNATURE SIGNATURE_32 ('F', 'B', 'D', 'V')
typedef struct {
UINT32 Signature;
EFI_HANDLE Handle;
//
// Produced protocol
//
EFI_FORM_BROWSER2_PROTOCOL FormBrowser2;
EFI_FORM_BROWSER_EXTENSION_PROTOCOL FormBrowserEx;
EDKII_FORM_BROWSER_EXTENSION2_PROTOCOL FormBrowserEx2;
} SETUP_DRIVER_PRIVATE_DATA;
//
// IFR relative definition
//
#define EFI_HII_EXPRESSION_INCONSISTENT_IF 0
#define EFI_HII_EXPRESSION_NO_SUBMIT_IF 1
#define EFI_HII_EXPRESSION_GRAY_OUT_IF 2
#define EFI_HII_EXPRESSION_SUPPRESS_IF 3
#define EFI_HII_EXPRESSION_DISABLE_IF 4
#define EFI_HII_EXPRESSION_VALUE 5
#define EFI_HII_EXPRESSION_RULE 6
#define EFI_HII_EXPRESSION_READ 7
#define EFI_HII_EXPRESSION_WRITE 8
#define EFI_HII_EXPRESSION_WARNING_IF 9
#define EFI_HII_VARSTORE_BUFFER 0
#define EFI_HII_VARSTORE_NAME_VALUE 1
#define EFI_HII_VARSTORE_EFI_VARIABLE 2 // EFI Varstore type follow UEFI spec before 2.3.1.
#define EFI_HII_VARSTORE_EFI_VARIABLE_BUFFER 3 // EFI varstore type follow UEFI spec 2.3.1 and later.
#define FORM_INCONSISTENT_VALIDATION 0
#define FORM_NO_SUBMIT_VALIDATION 1
#define NAME_VALUE_NODE_SIGNATURE SIGNATURE_32 ('N', 'V', 'S', 'T')
typedef struct {
UINTN Signature;
LIST_ENTRY Link;
CHAR16 *Name;
CHAR16 *Value;
CHAR16 *EditValue;
} NAME_VALUE_NODE;
#define NAME_VALUE_NODE_FROM_LINK(a) CR (a, NAME_VALUE_NODE, Link, NAME_VALUE_NODE_SIGNATURE)
#define BROWSER_STORAGE_SIGNATURE SIGNATURE_32 ('B', 'S', 'T', 'G')
typedef struct {
UINTN Signature;
LIST_ENTRY Link;
UINT8 Type; // Storage type
EFI_GUID Guid;
CHAR16 *Name; // For EFI_IFR_VARSTORE
UINT16 Size;
UINT8 *Buffer;
UINT8 *EditBuffer; // Edit copy for Buffer Storage
LIST_ENTRY NameValueListHead; // List of NAME_VALUE_NODE
UINT32 Attributes; // For EFI_IFR_VARSTORE_EFI: EFI Variable attribute
CHAR16 *ConfigHdr; // <ConfigHdr>
CHAR16 *ConfigRequest; // <ConfigRequest> = <ConfigHdr> + <RequestElement>
// <RequestElement> includes all fields which is used by current form sets.
UINTN SpareStrLen; // Spare length of ConfigRequest string buffer
} BROWSER_STORAGE;
#define BROWSER_STORAGE_FROM_LINK(a) CR (a, BROWSER_STORAGE, Link, BROWSER_STORAGE_SIGNATURE)
#define FORMSET_STORAGE_SIGNATURE SIGNATURE_32 ('F', 'S', 'T', 'G')
typedef struct {
UINTN Signature;
LIST_ENTRY Link;
UINT16 VarStoreId;
BROWSER_STORAGE *BrowserStorage;
CHAR16 *ConfigRequest; // <ConfigRequest> = <ConfigHdr> + <RequestElement>
CHAR16 *ConfigElements;// Elements need to load initial data.
UINTN ElementCount; // Number of <RequestElement> in the <ConfigRequest>
UINTN SpareStrLen; // Spare length of ConfigRequest string buffer
} FORMSET_STORAGE;
#define FORMSET_STORAGE_FROM_LINK(a) CR (a, FORMSET_STORAGE, Link, FORMSET_STORAGE_SIGNATURE)
typedef union {
EFI_STRING_ID VarName;
UINT16 VarOffset;
} VAR_STORE_INFO;
#define EXPRESSION_OPCODE_SIGNATURE SIGNATURE_32 ('E', 'X', 'O', 'P')
typedef struct {
UINTN Signature;
LIST_ENTRY Link;
UINT8 Operand;
UINT8 Format; // For EFI_IFR_TO_STRING, EFI_IFR_FIND
UINT8 Flags; // For EFI_IFR_SPAN
UINT8 RuleId; // For EFI_IFR_RULE_REF
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
EFI_QUESTION_ID QuestionId; // For EFI_IFR_EQ_ID_ID, EFI_IFR_EQ_ID_VAL_LIST, EFI_IFR_QUESTION_REF1
EFI_QUESTION_ID QuestionId2;
UINT16 ListLength; // For EFI_IFR_EQ_ID_VAL_LIST
UINT16 *ValueList;
EFI_STRING_ID DevicePath; // For EFI_IFR_QUESTION_REF3_2, EFI_IFR_QUESTION_REF3_3
EFI_GUID Guid;
BROWSER_STORAGE *VarStorage; // For EFI_IFR_SET, EFI_IFR_GET
VAR_STORE_INFO VarStoreInfo;// For EFI_IFR_SET, EFI_IFR_GET
UINT8 ValueType; // For EFI_IFR_SET, EFI_IFR_GET
UINT8 ValueWidth; // For EFI_IFR_SET, EFI_IFR_GET
CHAR16 *ValueName; // For EFI_IFR_SET, EFI_IFR_GET
LIST_ENTRY MapExpressionList; // nested expressions inside of Map opcode.
} EXPRESSION_OPCODE;
#define EXPRESSION_OPCODE_FROM_LINK(a) CR (a, EXPRESSION_OPCODE, Link, EXPRESSION_OPCODE_SIGNATURE)
#define FORM_EXPRESSION_SIGNATURE SIGNATURE_32 ('F', 'E', 'X', 'P')
typedef struct {
UINTN Signature;
LIST_ENTRY Link;
UINT8 Type; // Type for this expression
UINT8 RuleId; // For EFI_IFR_RULE only
EFI_STRING_ID Error; // For EFI_IFR_NO_SUBMIT_IF, EFI_IFR_INCONSISTENT_IF only
EFI_HII_VALUE Result; // Expression evaluation result
UINT8 TimeOut; // For EFI_IFR_WARNING_IF
LIST_ENTRY OpCodeListHead; // OpCodes consist of this expression (EXPRESSION_OPCODE)
} FORM_EXPRESSION;
#define FORM_EXPRESSION_FROM_LINK(a) CR (a, FORM_EXPRESSION, Link, FORM_EXPRESSION_SIGNATURE)
#define FORM_EXPRESSION_LIST_SIGNATURE SIGNATURE_32 ('F', 'E', 'X', 'R')
typedef struct {
UINTN Signature;
UINTN Count;
FORM_EXPRESSION *Expression[1]; // Array[Count] of expressions
} FORM_EXPRESSION_LIST;
#define QUESTION_DEFAULT_SIGNATURE SIGNATURE_32 ('Q', 'D', 'F', 'T')
typedef struct {
UINTN Signature;
LIST_ENTRY Link;
UINT16 DefaultId;
EFI_HII_VALUE Value; // Default value
FORM_EXPRESSION *ValueExpression; // Not-NULL indicates default value is provided by EFI_IFR_VALUE
} QUESTION_DEFAULT;
#define QUESTION_DEFAULT_FROM_LINK(a) CR (a, QUESTION_DEFAULT, Link, QUESTION_DEFAULT_SIGNATURE)
#define QUESTION_OPTION_SIGNATURE SIGNATURE_32 ('Q', 'O', 'P', 'T')
typedef struct {
UINTN Signature;
LIST_ENTRY Link;
EFI_IFR_ONE_OF_OPTION *OpCode; // OneOfOption Data
EFI_STRING_ID Text;
UINT8 Flags;
EFI_HII_VALUE Value;
EFI_IMAGE_ID ImageId;
FORM_EXPRESSION_LIST *SuppressExpression; // Non-NULL indicates nested inside of SuppressIf
} QUESTION_OPTION;
#define QUESTION_OPTION_FROM_LINK(a) CR (a, QUESTION_OPTION, Link, QUESTION_OPTION_SIGNATURE)
typedef enum {
ExpressFalse = 0,
ExpressGrayOut,
ExpressSuppress,
ExpressDisable
} EXPRESS_RESULT;
typedef enum {
ExpressNone = 0,
ExpressForm,
ExpressStatement,
ExpressOption
} EXPRESS_LEVEL;
#define FORM_BROWSER_STATEMENT_SIGNATURE SIGNATURE_32 ('F', 'S', 'T', 'A')
typedef struct {
UINTN Signature;
LIST_ENTRY Link;
UINT8 Operand; // The operand (first byte) of this Statement or Question
EFI_IFR_OP_HEADER *OpCode;
//
// Statement Header
//
EFI_STRING_ID Prompt;
EFI_STRING_ID Help;
EFI_STRING_ID TextTwo; // For EFI_IFR_TEXT
//
// Fake Question Id, used for statement not has true QuestionId.
//
EFI_QUESTION_ID FakeQuestionId;
//
// Question Header
//
EFI_QUESTION_ID QuestionId; // The value of zero is reserved
EFI_VARSTORE_ID VarStoreId; // A value of zero indicates no variable storage
BROWSER_STORAGE *Storage;
VAR_STORE_INFO VarStoreInfo;
UINT16 StorageWidth;
UINT8 QuestionFlags;
CHAR16 *VariableName; // Name/Value or EFI Variable name
CHAR16 *BlockName; // Buffer storage block name: "OFFSET=...WIDTH=..."
EFI_HII_VALUE HiiValue; // Edit copy for checkbox, numberic, oneof
UINT8 *BufferValue; // Edit copy for string, password, orderedlist
UINT8 ValueType; // Data type for orderedlist value array
//
// OpCode specific members
//
UINT8 Flags; // for EFI_IFR_CHECKBOX, EFI_IFR_DATE, EFI_IFR_NUMERIC, EFI_IFR_ONE_OF,
// EFI_IFR_ORDERED_LIST, EFI_IFR_STRING,EFI_IFR_SUBTITLE,EFI_IFR_TIME, EFI_IFR_BANNER
UINT8 MaxContainers; // for EFI_IFR_ORDERED_LIST
UINT16 BannerLineNumber; // for EFI_IFR_BANNER, 1-based line number
EFI_STRING_ID QuestionConfig; // for EFI_IFR_ACTION, if 0 then no configuration string will be processed
UINT64 Minimum; // for EFI_IFR_ONE_OF/EFI_IFR_NUMERIC, it's Min/Max value
UINT64 Maximum; // for EFI_IFR_STRING/EFI_IFR_PASSWORD, it's Min/Max length
UINT64 Step;
EFI_DEFAULT_ID DefaultId; // for EFI_IFR_RESET_BUTTON
EFI_GUID RefreshGuid; // for EFI_IFR_REFRESH_ID
BOOLEAN Locked; // Whether this statement is locked.
BOOLEAN ValueChanged; // Whether this statement's value is changed.
//
// Get from IFR parsing
//
FORM_EXPRESSION *ValueExpression; // nested EFI_IFR_VALUE, provide Question value and indicate Question is ReadOnly
LIST_ENTRY DefaultListHead; // nested EFI_IFR_DEFAULT list (QUESTION_DEFAULT), provide default values
LIST_ENTRY OptionListHead; // nested EFI_IFR_ONE_OF_OPTION list (QUESTION_OPTION)
EFI_IMAGE_ID ImageId; // nested EFI_IFR_IMAGE
UINT8 RefreshInterval; // nested EFI_IFR_REFRESH, refresh interval(in seconds) for Question value, 0 means no refresh
BOOLEAN InSubtitle; // nesting inside of EFI_IFR_SUBTITLE
LIST_ENTRY InconsistentListHead;// nested inconsistent expression list (FORM_EXPRESSION)
LIST_ENTRY NoSubmitListHead; // nested nosubmit expression list (FORM_EXPRESSION)
LIST_ENTRY WarningListHead; // nested warning expression list (FORM_EXPRESSION)
FORM_EXPRESSION_LIST *Expression; // nesting inside of GrayOutIf/DisableIf/SuppressIf
FORM_EXPRESSION *ReadExpression; // nested EFI_IFR_READ, provide this question value by read expression.
FORM_EXPRESSION *WriteExpression; // nested EFI_IFR_WRITE, evaluate write expression after this question value is set.
} FORM_BROWSER_STATEMENT;
#define FORM_BROWSER_STATEMENT_FROM_LINK(a) CR (a, FORM_BROWSER_STATEMENT, Link, FORM_BROWSER_STATEMENT_SIGNATURE)
#define FORM_BROWSER_CONFIG_REQUEST_SIGNATURE SIGNATURE_32 ('F', 'C', 'R', 'S')
typedef struct {
UINTN Signature;
LIST_ENTRY Link;
CHAR16 *ConfigRequest; // <ConfigRequest> = <ConfigHdr> + <RequestElement>
UINTN ElementCount; // Number of <RequestElement> in the <ConfigRequest>
UINTN SpareStrLen;
BROWSER_STORAGE *Storage;
} FORM_BROWSER_CONFIG_REQUEST;
#define FORM_BROWSER_CONFIG_REQUEST_FROM_LINK(a) CR (a, FORM_BROWSER_CONFIG_REQUEST, Link, FORM_BROWSER_CONFIG_REQUEST_SIGNATURE)
#define FORM_BROWSER_FORM_SIGNATURE SIGNATURE_32 ('F', 'F', 'R', 'M')
#define STANDARD_MAP_FORM_TYPE 0x01
typedef struct {
UINTN Signature;
LIST_ENTRY Link;
UINT16 FormId; // FormId of normal form or formmap form.
EFI_STRING_ID FormTitle; // FormTile of normal form, or FormMapMethod title of formmap form.
UINT16 FormType; // Specific form type for the different form.
EFI_IMAGE_ID ImageId;
BOOLEAN ModalForm; // Whether this is a modal form.
BOOLEAN Locked; // Whether this form is locked.
LIST_ENTRY ExpressionListHead; // List of Expressions (FORM_EXPRESSION)
LIST_ENTRY StatementListHead; // List of Statements and Questions (FORM_BROWSER_STATEMENT)
LIST_ENTRY ConfigRequestHead; // List of configreques for all storage.
FORM_EXPRESSION_LIST *SuppressExpression; // nesting inside of SuppressIf
} FORM_BROWSER_FORM;
#define FORM_BROWSER_FORM_FROM_LINK(a) CR (a, FORM_BROWSER_FORM, Link, FORM_BROWSER_FORM_SIGNATURE)
#define FORMSET_DEFAULTSTORE_SIGNATURE SIGNATURE_32 ('F', 'D', 'F', 'S')
typedef struct {
UINTN Signature;
LIST_ENTRY Link;
UINT16 DefaultId;
EFI_STRING_ID DefaultName;
} FORMSET_DEFAULTSTORE;
#define FORMSET_DEFAULTSTORE_FROM_LINK(a) CR (a, FORMSET_DEFAULTSTORE, Link, FORMSET_DEFAULTSTORE_SIGNATURE)
#define FORM_BROWSER_FORMSET_SIGNATURE SIGNATURE_32 ('F', 'B', 'F', 'S')
typedef struct {
UINTN Signature;
LIST_ENTRY Link;
EFI_HII_HANDLE HiiHandle; // unique id for formset.
EFI_HANDLE DriverHandle;
EFI_HII_CONFIG_ACCESS_PROTOCOL *ConfigAccess;
EFI_DEVICE_PATH_PROTOCOL *DevicePath;
UINTN IfrBinaryLength;
UINT8 *IfrBinaryData;
BOOLEAN QuestionInited; // Have finished question initilization?
EFI_GUID Guid;
EFI_STRING_ID FormSetTitle;
EFI_STRING_ID Help;
UINT8 NumberOfClassGuid;
EFI_GUID ClassGuid[3]; // Up to three ClassGuid
UINT16 Class; // Tiano extended Class code
UINT16 SubClass; // Tiano extended Subclass code
EFI_IMAGE_ID ImageId;
FORM_BROWSER_STATEMENT *StatementBuffer; // Buffer for all Statements and Questions
EXPRESSION_OPCODE *ExpressionBuffer; // Buffer for all Expression OpCode
LIST_ENTRY StatementListOSF; // Statement list out side of the form.
LIST_ENTRY StorageListHead; // Storage list (FORMSET_STORAGE)
LIST_ENTRY DefaultStoreListHead; // DefaultStore list (FORMSET_DEFAULTSTORE)
LIST_ENTRY FormListHead; // Form list (FORM_BROWSER_FORM)
LIST_ENTRY ExpressionListHead; // List of Expressions (FORM_EXPRESSION)
} FORM_BROWSER_FORMSET;
#define FORM_BROWSER_FORMSET_FROM_LINK(a) CR (a, FORM_BROWSER_FORMSET, Link, FORM_BROWSER_FORMSET_SIGNATURE)
typedef struct {
LIST_ENTRY Link;
EFI_EVENT RefreshEvent;
} FORM_BROWSER_REFRESH_EVENT_NODE;
#define FORM_BROWSER_REFRESH_EVENT_FROM_LINK(a) BASE_CR (a, FORM_BROWSER_REFRESH_EVENT_NODE, Link)
typedef struct {
EFI_HII_HANDLE Handle;
//
// Target formset/form/Question information
//
EFI_GUID FormSetGuid;
UINT16 FormId;
UINT16 QuestionId;
UINTN Sequence; // used for time/date only.
UINTN TopRow;
UINTN BottomRow;
UINTN PromptCol;
UINTN OptionCol;
UINTN CurrentRow;
//
// Ation for Browser to taken:
// UI_ACTION_NONE - navigation inside a form
// UI_ACTION_REFRESH_FORM - re-evaluate expressions and repaint form
// UI_ACTION_REFRESH_FORMSET - re-parse formset IFR binary
//
UINTN Action;
//
// Current selected fomset/form/Question
//
FORM_BROWSER_FORMSET *FormSet;
FORM_BROWSER_FORM *Form;
FORM_BROWSER_STATEMENT *Statement;
//
// Whether the Form is editable
//
BOOLEAN FormEditable;
FORM_ENTRY_INFO *CurrentMenu;
} UI_MENU_SELECTION;
#define BROWSER_CONTEXT_SIGNATURE SIGNATURE_32 ('B', 'C', 'T', 'X')
typedef struct {
UINTN Signature;
LIST_ENTRY Link;
//
// Globals defined in Setup.c
//
BOOLEAN ResetRequired;
BOOLEAN ExitRequired;
EFI_HII_HANDLE HiiHandle;
EFI_GUID FormSetGuid;
EFI_FORM_ID FormId;
UI_MENU_SELECTION *Selection;
LIST_ENTRY FormHistoryList;
} BROWSER_CONTEXT;
#define BROWSER_CONTEXT_FROM_LINK(a) CR (a, BROWSER_CONTEXT, Link, BROWSER_CONTEXT_SIGNATURE)
//
// Scope for get defaut value. It may be GetDefaultForNoStorage, GetDefaultForStorage or GetDefaultForAll.
//
typedef enum {
GetDefaultForNoStorage, // Get default value for question which not has storage.
GetDefaultForStorage, // Get default value for question which has storage.
GetDefaultForAll, // Get default value for all questions.
GetDefaultForMax // Invalid value.
} BROWSER_GET_DEFAULT_VALUE;
//
// Get/set question value from/to.
//
typedef enum {
GetSetValueWithEditBuffer, // Get/Set question value from/to editbuffer in the storage.
GetSetValueWithBuffer, // Get/Set question value from/to buffer in the storage.
GetSetValueWithHiiDriver, // Get/Set question value from/to hii driver.
GetSetValueWithMax // Invalid value.
} GET_SET_QUESTION_VALUE_WITH;
extern EFI_HII_DATABASE_PROTOCOL *mHiiDatabase;
extern EFI_HII_CONFIG_ROUTING_PROTOCOL *mHiiConfigRouting;
extern EFI_DEVICE_PATH_FROM_TEXT_PROTOCOL *mPathFromText;
extern EDKII_FORM_DISPLAY_ENGINE_PROTOCOL *mFormDisplay;
extern BOOLEAN gResetRequired;
extern BOOLEAN gExitRequired;
extern BOOLEAN gFinishRetrieveCall;
extern LIST_ENTRY gBrowserFormSetList;
extern LIST_ENTRY gBrowserHotKeyList;
extern BROWSER_SETTING_SCOPE gBrowserSettingScope;
extern EXIT_HANDLER ExitHandlerFunction;
extern EFI_HII_HANDLE mCurrentHiiHandle;
extern SETUP_DRIVER_PRIVATE_DATA mPrivateData;
//
// Browser Global Strings
//
extern CHAR16 *gEmptyString;
extern EFI_GUID gZeroGuid;
extern UI_MENU_SELECTION *gCurrentSelection;
//
// Global Procedure Defines
//
#include "Expression.h"
/**
Initialize the HII String Token to the correct values.
**/
VOID
InitializeBrowserStrings (
VOID
);
/**
Parse opcodes in the formset IFR binary.
@param FormSet Pointer of the FormSet data structure.
@retval EFI_SUCCESS Opcode parse success.
@retval Other Opcode parse fail.
**/
EFI_STATUS
ParseOpCodes (
IN FORM_BROWSER_FORMSET *FormSet
);
/**
Free resources allocated for a FormSet.
@param FormSet Pointer of the FormSet
**/
VOID
DestroyFormSet (
IN OUT FORM_BROWSER_FORMSET *FormSet
);
/**
Create a new string in HII Package List.
@param String The String to be added
@param HiiHandle The package list in the HII database to insert the
specified string.
@return The output string.
**/
EFI_STRING_ID
NewString (
IN CHAR16 *String,
IN EFI_HII_HANDLE HiiHandle
);
/**
Delete a string from HII Package List.
@param StringId Id of the string in HII database.
@param HiiHandle The HII package list handle.
@retval EFI_SUCCESS The string was deleted successfully.
**/
EFI_STATUS
DeleteString (
IN EFI_STRING_ID StringId,
IN EFI_HII_HANDLE HiiHandle
);
/**
Get the string based on the StringId and HII Package List Handle.
@param Token The String's ID.
@param HiiHandle The package list in the HII database to search for
the specified string.
@return The output string.
**/
CHAR16 *
GetToken (
IN EFI_STRING_ID Token,
IN EFI_HII_HANDLE HiiHandle
);
/**
Get Value for given Name from a NameValue Storage.
@param Storage The NameValue Storage.
@param Name The Name.
@param Value The retured Value.
@param GetValueFrom Where to get source value, from EditValue or Value.
@retval EFI_SUCCESS Value found for given Name.
@retval EFI_NOT_FOUND No such Name found in NameValue storage.
**/
EFI_STATUS
GetValueByName (
IN BROWSER_STORAGE *Storage,
IN CHAR16 *Name,
IN OUT CHAR16 **Value,
IN GET_SET_QUESTION_VALUE_WITH GetValueFrom
);
/**
Set Value of given Name in a NameValue Storage.
@param Storage The NameValue Storage.
@param Name The Name.
@param Value The Value to set.
@param SetValueTo Whether update editValue or Value.
@param ReturnNode The node use the input name.
@retval EFI_SUCCESS Value found for given Name.
@retval EFI_NOT_FOUND No such Name found in NameValue storage.
**/
EFI_STATUS
SetValueByName (
IN BROWSER_STORAGE *Storage,
IN CHAR16 *Name,
IN CHAR16 *Value,
IN GET_SET_QUESTION_VALUE_WITH SetValueTo,
OUT NAME_VALUE_NODE **ReturnNode
);
/**
Validate whether this question's value has changed.
@param FormSet FormSet data structure.
@param Form Form data structure.
@param Question Question to be initialized.
@param GetValueFrom Where to get value, may from editbuffer, buffer or hii driver.
@retval TRUE Question's value has changed.
@retval FALSE Question's value has not changed
**/
BOOLEAN
IsQuestionValueChanged (
IN FORM_BROWSER_FORMSET *FormSet,
IN FORM_BROWSER_FORM *Form,
IN OUT FORM_BROWSER_STATEMENT *Question,
IN GET_SET_QUESTION_VALUE_WITH GetValueFrom
);
/**
Get Question's current Value.
@param FormSet FormSet data structure.
@param Form Form data structure.
@param Question Question to be initialized.
@param GetValueFrom Where to get value, may from editbuffer, buffer or hii driver.
@retval EFI_SUCCESS The function completed successfully.
**/
EFI_STATUS
GetQuestionValue (
IN FORM_BROWSER_FORMSET *FormSet,
IN FORM_BROWSER_FORM *Form,
IN OUT FORM_BROWSER_STATEMENT *Question,
IN GET_SET_QUESTION_VALUE_WITH GetValueFrom
);
/**
Save Question Value to edit copy(cached) or Storage(uncached).
@param FormSet FormSet data structure.
@param Form Form data structure.
@param Question Pointer to the Question.
@param SetValueTo Update the question value to editbuffer , buffer or hii driver.
@retval EFI_SUCCESS The function completed successfully.
**/
EFI_STATUS
SetQuestionValue (
IN FORM_BROWSER_FORMSET *FormSet,
IN FORM_BROWSER_FORM *Form,
IN OUT FORM_BROWSER_STATEMENT *Question,
IN GET_SET_QUESTION_VALUE_WITH SetValueTo
);
/**
Perform inconsistent check for a Form.
@param FormSet FormSet data structure.
@param Form Form data structure.
@param Question The Question to be validated.
@param Type Validation type: InConsistent or NoSubmit
@retval EFI_SUCCESS Form validation pass.
@retval other Form validation failed.
**/
EFI_STATUS
ValidateQuestion (
IN FORM_BROWSER_FORMSET *FormSet,
IN FORM_BROWSER_FORM *Form,
IN FORM_BROWSER_STATEMENT *Question,
IN UINTN Type
);
/**
Discard data based on the input setting scope (Form, FormSet or System).
@param FormSet FormSet data structure.
@param Form Form data structure.
@param SettingScope Setting Scope for Discard action.
@retval EFI_SUCCESS The function completed successfully.
@retval EFI_UNSUPPORTED Unsupport SettingScope.
**/
EFI_STATUS
DiscardForm (
IN FORM_BROWSER_FORMSET *FormSet,
IN FORM_BROWSER_FORM *Form,
IN BROWSER_SETTING_SCOPE SettingScope
);
/**
Submit data based on the input Setting level (Form, FormSet or System).
@param FormSet FormSet data structure.
@param Form Form data structure.
@param SettingScope Setting Scope for Submit action.
@retval EFI_SUCCESS The function completed successfully.
@retval EFI_UNSUPPORTED Unsupport SettingScope.
**/
EFI_STATUS
SubmitForm (
IN FORM_BROWSER_FORMSET *FormSet,
IN FORM_BROWSER_FORM *Form,
IN BROWSER_SETTING_SCOPE SettingScope
);
/**
Reset Question to its default value.
@param FormSet The form set.
@param Form The form.
@param Question The question.
@param DefaultId The Class of the default.
@retval EFI_SUCCESS Question is reset to default value.
**/
EFI_STATUS
GetQuestionDefault (
IN FORM_BROWSER_FORMSET *FormSet,
IN FORM_BROWSER_FORM *Form,
IN FORM_BROWSER_STATEMENT *Question,
IN UINT16 DefaultId
);
/**
Get current setting of Questions.
@param FormSet FormSet data structure.
**/
VOID
InitializeCurrentSetting (
IN OUT FORM_BROWSER_FORMSET *FormSet
);
/**
Initialize the internal data structure of a FormSet.
@param Handle PackageList Handle
@param FormSetGuid GUID of a formset. If not specified (NULL or zero
GUID), take the first FormSet found in package
list.
@param FormSet FormSet data structure.
@retval EFI_SUCCESS The function completed successfully.
@retval EFI_NOT_FOUND The specified FormSet could not be found.
**/
EFI_STATUS
InitializeFormSet (
IN EFI_HII_HANDLE Handle,
IN OUT EFI_GUID *FormSetGuid,
OUT FORM_BROWSER_FORMSET *FormSet
);
/**
Reset Questions to their initial value or default value in a Form, Formset or System.
GetDefaultValueScope parameter decides which questions will reset
to its default value.
@param FormSet FormSet data structure.
@param Form Form data structure.
@param DefaultId The Class of the default.
@param SettingScope Setting Scope for Default action.
@param GetDefaultValueScope Get default value scope.
@param Storage Get default value only for this storage.
@param RetrieveValueFirst Whether call the retrieve call back to
get the initial value before get default
value.
@retval EFI_SUCCESS The function completed successfully.
@retval EFI_UNSUPPORTED Unsupport SettingScope.
**/
EFI_STATUS
ExtractDefault (
IN FORM_BROWSER_FORMSET *FormSet,
IN FORM_BROWSER_FORM *Form,
IN UINT16 DefaultId,
IN BROWSER_SETTING_SCOPE SettingScope,
IN BROWSER_GET_DEFAULT_VALUE GetDefaultValueScope,
IN BROWSER_STORAGE *Storage,
IN BOOLEAN RetrieveValueFirst
);
/**
Initialize Question's Edit copy from Storage.
@param Selection Selection contains the information about
the Selection, form and formset to be displayed.
Selection action may be updated in retrieve callback.
If Selection is NULL, only initialize Question value.
@param FormSet FormSet data structure.
@param Form Form data structure.
@retval EFI_SUCCESS The function completed successfully.
**/
EFI_STATUS
LoadFormConfig (
IN OUT UI_MENU_SELECTION *Selection,
IN FORM_BROWSER_FORMSET *FormSet,
IN FORM_BROWSER_FORM *Form
);
/**
Initialize Question's Edit copy from Storage for the whole Formset.
@param Selection Selection contains the information about
the Selection, form and formset to be displayed.
Selection action may be updated in retrieve callback.
If Selection is NULL, only initialize Question value.
@param FormSet FormSet data structure.
@retval EFI_SUCCESS The function completed successfully.
**/
EFI_STATUS
LoadFormSetConfig (
IN OUT UI_MENU_SELECTION *Selection,
IN FORM_BROWSER_FORMSET *FormSet
);
/**
Convert setting of Buffer Storage or NameValue Storage to <ConfigResp>.
@param Storage The Storage to be conveted.
@param ConfigResp The returned <ConfigResp>.
@param ConfigRequest The ConfigRequest string.
@param GetEditBuf Get the data from editbuffer or buffer.
@retval EFI_SUCCESS Convert success.
@retval EFI_INVALID_PARAMETER Incorrect storage type.
**/
EFI_STATUS
StorageToConfigResp (
IN BROWSER_STORAGE *Storage,
IN CHAR16 **ConfigResp,
IN CHAR16 *ConfigRequest,
IN BOOLEAN GetEditBuf
);
/**
Convert <ConfigResp> to settings in Buffer Storage or NameValue Storage.
@param Storage The Storage to receive the settings.
@param ConfigResp The <ConfigResp> to be converted.
@retval EFI_SUCCESS Convert success.
@retval EFI_INVALID_PARAMETER Incorrect storage type.
**/
EFI_STATUS
ConfigRespToStorage (
IN BROWSER_STORAGE *Storage,
IN CHAR16 *ConfigResp
);
/**
Fill storage's edit copy with settings requested from Configuration Driver.
@param FormSet FormSet data structure.
@param Storage Buffer Storage.
**/
VOID
LoadStorage (
IN FORM_BROWSER_FORMSET *FormSet,
IN FORMSET_STORAGE *Storage
);
/**
Fetch the Ifr binary data of a FormSet.
@param Handle PackageList Handle
@param FormSetGuid GUID of a formset. If not specified (NULL or zero
GUID), take the first FormSet found in package
list.
@param BinaryLength The length of the FormSet IFR binary.
@param BinaryData The buffer designed to receive the FormSet.
@retval EFI_SUCCESS Buffer filled with the requested FormSet.
BufferLength was updated.
@retval EFI_INVALID_PARAMETER The handle is unknown.
@retval EFI_NOT_FOUND A form or FormSet on the requested handle cannot
be found with the requested FormId.
**/
EFI_STATUS
GetIfrBinaryData (
IN EFI_HII_HANDLE Handle,
IN OUT EFI_GUID *FormSetGuid,
OUT UINTN *BinaryLength,
OUT UINT8 **BinaryData
);
/**
Save globals used by previous call to SendForm(). SendForm() may be called from
HiiConfigAccess.Callback(), this will cause SendForm() be reentried.
So, save globals of previous call to SendForm() and restore them upon exit.
**/
VOID
SaveBrowserContext (
VOID
);
/**
Restore globals used by previous call to SendForm().
**/
VOID
RestoreBrowserContext (
VOID
);
/**
This is the routine which an external caller uses to direct the browser
where to obtain it's information.
@param This The Form Browser protocol instanse.
@param Handles A pointer to an array of Handles. If HandleCount > 1 we
display a list of the formsets for the handles specified.
@param HandleCount The number of Handles specified in Handle.
@param FormSetGuid This field points to the EFI_GUID which must match the Guid
field in the EFI_IFR_FORM_SET op-code for the specified
forms-based package. If FormSetGuid is NULL, then this
function will display the first found forms package.
@param FormId This field specifies which EFI_IFR_FORM to render as the first
displayable page. If this field has a value of 0x0000, then
the forms browser will render the specified forms in their encoded order.
ScreenDimenions - This allows the browser to be called so that it occupies a
portion of the physical screen instead of dynamically determining the screen dimensions.
ActionRequest - Points to the action recommended by the form.
@param ScreenDimensions Points to recommended form dimensions, including any non-content area, in
characters.
@param ActionRequest Points to the action recommended by the form.
@retval EFI_SUCCESS The function completed successfully.
@retval EFI_INVALID_PARAMETER One of the parameters has an invalid value.
@retval EFI_NOT_FOUND No valid forms could be found to display.
**/
EFI_STATUS
EFIAPI
SendForm (
IN CONST EFI_FORM_BROWSER2_PROTOCOL *This,
IN EFI_HII_HANDLE *Handles,
IN UINTN HandleCount,
IN EFI_GUID *FormSetGuid, OPTIONAL
IN UINT16 FormId, OPTIONAL
IN CONST EFI_SCREEN_DESCRIPTOR *ScreenDimensions, OPTIONAL
OUT EFI_BROWSER_ACTION_REQUEST *ActionRequest OPTIONAL
);
/**
This function is called by a callback handler to retrieve uncommitted state
data from the browser.
@param This A pointer to the EFI_FORM_BROWSER2_PROTOCOL
instance.
@param ResultsDataSize A pointer to the size of the buffer associated
with ResultsData.
@param ResultsData A string returned from an IFR browser or
equivalent. The results string will have no
routing information in them.
@param RetrieveData A BOOLEAN field which allows an agent to retrieve
(if RetrieveData = TRUE) data from the uncommitted
browser state information or set (if RetrieveData
= FALSE) data in the uncommitted browser state
information.
@param VariableGuid An optional field to indicate the target variable
GUID name to use.
@param VariableName An optional field to indicate the target
human-readable variable name.
@retval EFI_SUCCESS The results have been distributed or are awaiting
distribution.
@retval EFI_BUFFER_TOO_SMALL The ResultsDataSize specified was too small to
contain the results data.
**/
EFI_STATUS
EFIAPI
BrowserCallback (
IN CONST EFI_FORM_BROWSER2_PROTOCOL *This,
IN OUT UINTN *ResultsDataSize,
IN OUT EFI_STRING ResultsData,
IN BOOLEAN RetrieveData,
IN CONST EFI_GUID *VariableGuid, OPTIONAL
IN CONST CHAR16 *VariableName OPTIONAL
);
/**
Find menu which will show next time.
@param Selection On input, Selection tell setup browser the information
about the Selection, form and formset to be displayed.
On output, Selection return the screen item that is selected
by user.
@param SettingLevel Input Settting level, if it is FormLevel, just exit current form.
else, we need to exit current formset.
@retval TRUE Exit current form.
@retval FALSE User press ESC and keep in current form.
**/
BOOLEAN
FindNextMenu (
IN OUT UI_MENU_SELECTION *Selection,
IN BROWSER_SETTING_SCOPE SettingLevel
);
/**
check whether the form need to update the NV.
@param Form Form data structure.
@retval TRUE Need to update the NV.
@retval FALSE No need to update the NV.
**/
BOOLEAN
IsNvUpdateRequiredForForm (
IN FORM_BROWSER_FORM *Form
);
/**
check whether the formset need to update the NV.
@param FormSet FormSet data structure.
@retval TRUE Need to update the NV.
@retval FALSE No need to update the NV.
**/
BOOLEAN
IsNvUpdateRequiredForFormSet (
IN FORM_BROWSER_FORMSET *FormSet
);
/**
Check whether the storage data for current form set is changed.
@param FormSet FormSet data structure.
@retval TRUE Data is changed.
@retval FALSE Data is not changed.
**/
BOOLEAN
IsStorageDataChangedForFormSet (
IN FORM_BROWSER_FORMSET *FormSet
);
/**
Call the call back function for the question and process the return action.
@param Selection On input, Selection tell setup browser the information
about the Selection, form and formset to be displayed.
On output, Selection return the screen item that is selected
by user.
@param FormSet The formset this question belong to.
@param Form The form this question belong to.
@param Question The Question which need to call.
@param Action The action request.
@param SkipSaveOrDiscard Whether skip save or discard action.
@retval EFI_SUCCESS The call back function excutes successfully.
@return Other value if the call back function failed to excute.
**/
EFI_STATUS
ProcessCallBackFunction (
IN OUT UI_MENU_SELECTION *Selection,
IN FORM_BROWSER_FORMSET *FormSet,
IN FORM_BROWSER_FORM *Form,
IN FORM_BROWSER_STATEMENT *Question,
IN EFI_BROWSER_ACTION Action,
IN BOOLEAN SkipSaveOrDiscard
);
/**
Call the retrieve type call back function for one question to get the initialize data.
This function only used when in the initialize stage, because in this stage, the
Selection->Form is not ready. For other case, use the ProcessCallBackFunction instead.
@param ConfigAccess The config access protocol produced by the hii driver.
@param Statement The Question which need to call.
@retval EFI_SUCCESS The call back function excutes successfully.
@return Other value if the call back function failed to excute.
**/
EFI_STATUS
ProcessRetrieveForQuestion (
IN EFI_HII_CONFIG_ACCESS_PROTOCOL *ConfigAccess,
IN FORM_BROWSER_STATEMENT *Statement
);
/**
Find the matched FormSet context in the backup maintain list based on HiiHandle.
@param Handle The Hii Handle.
@return the found FormSet context. If no found, NULL will return.
**/
FORM_BROWSER_FORMSET *
GetFormSetFromHiiHandle (
EFI_HII_HANDLE Handle
);
/**
Check whether the input HII handle is the FormSet that is being used.
@param Handle The Hii Handle.
@retval TRUE HII handle is being used.
@retval FALSE HII handle is not being used.
**/
BOOLEAN
IsHiiHandleInBrowserContext (
EFI_HII_HANDLE Handle
);
/**
Configure what scope the hot key will impact.
All hot keys have the same scope. The mixed hot keys with the different level are not supported.
If no scope is set, the default scope will be FormSet level.
After all registered hot keys are removed, previous Scope can reset to another level.
@param[in] Scope Scope level to be set.
@retval EFI_SUCCESS Scope is set correctly.
@retval EFI_INVALID_PARAMETER Scope is not the valid value specified in BROWSER_SETTING_SCOPE.
@retval EFI_UNSPPORTED Scope level is different from current one that the registered hot keys have.
**/
EFI_STATUS
EFIAPI
SetScope (
IN BROWSER_SETTING_SCOPE Scope
);
/**
Register the hot key with its browser action, or unregistered the hot key.
Only support hot key that is not printable character (control key, function key, etc.).
If the action value is zero, the hot key will be unregistered if it has been registered.
If the same hot key has been registered, the new action and help string will override the previous ones.
@param[in] KeyData A pointer to a buffer that describes the keystroke
information for the hot key. Its type is EFI_INPUT_KEY to
be supported by all ConsoleIn devices.
@param[in] Action Action value that describes what action will be trigged when the hot key is pressed.
@param[in] DefaultId Specifies the type of defaults to retrieve, which is only for DEFAULT action.
@param[in] HelpString Help string that describes the hot key information.
Its value may be NULL for the unregistered hot key.
@retval EFI_SUCCESS Hot key is registered or unregistered.
@retval EFI_INVALID_PARAMETER KeyData is NULL.
@retval EFI_NOT_FOUND KeyData is not found to be unregistered.
@retval EFI_UNSUPPORTED Key represents a printable character. It is conflicted with Browser.
**/
EFI_STATUS
EFIAPI
RegisterHotKey (
IN EFI_INPUT_KEY *KeyData,
IN UINT32 Action,
IN UINT16 DefaultId,
IN EFI_STRING HelpString OPTIONAL
);
/**
Register Exit handler function.
When more than one handler function is registered, the latter one will override the previous one.
When NULL handler is specified, the previous Exit handler will be unregistered.
@param[in] Handler Pointer to handler function.
**/
VOID
EFIAPI
RegiserExitHandler (
IN EXIT_HANDLER Handler
);
/**
Check whether the browser data has been modified.
@retval TRUE Browser data is changed.
@retval FALSE No browser data is changed.
**/
BOOLEAN
EFIAPI
IsBrowserDataModified (
VOID
);
/**
Execute the action requested by the Action parameter.
@param[in] Action Execute the request action.
@param[in] DefaultId The default Id info when need to load default value.
@retval EFI_SUCCESS Execute the request action succss.
@retval EFI_INVALID_PARAMETER The input action value is invalid.
**/
EFI_STATUS
EFIAPI
ExecuteAction (
IN UINT32 Action,
IN UINT16 DefaultId
);
/**
Create reminder to let user to choose save or discard the changed browser data.
Caller can use it to actively check the changed browser data.
@retval BROWSER_NO_CHANGES No browser data is changed.
@retval BROWSER_SAVE_CHANGES The changed browser data is saved.
@retval BROWSER_DISCARD_CHANGES The changed browser data is discard.
**/
UINT32
EFIAPI
SaveReminder (
VOID
);
/**
Find the registered HotKey based on KeyData.
@param[in] KeyData A pointer to a buffer that describes the keystroke
information for the hot key.
@return The registered HotKey context. If no found, NULL will return.
**/
BROWSER_HOT_KEY *
GetHotKeyFromRegisterList (
IN EFI_INPUT_KEY *KeyData
);
/**
Get FORM_BROWSER_STATEMENT from FORM_DISPLAY_ENGINE_STATEMENT based on the OpCode info.
@param DisplayStatement The input FORM_DISPLAY_ENGINE_STATEMENT.
@retval FORM_BROWSER_STATEMENT The return FORM_BROWSER_STATEMENT info.
**/
FORM_BROWSER_STATEMENT *
GetBrowserStatement (
IN FORM_DISPLAY_ENGINE_STATEMENT *DisplayStatement
);
/**
Password may be stored as encrypted by Configuration Driver. When change a
password, user will be challenged with old password. To validate user input old
password, we will send the clear text to Configuration Driver via Callback().
Configuration driver is responsible to check the passed in password and return
the validation result. If validation pass, state machine in password Callback()
will transit from BROWSER_STATE_VALIDATE_PASSWORD to BROWSER_STATE_SET_PASSWORD.
After user type in new password twice, Callback() will be invoked to send the
new password to Configuration Driver.
@param Selection Pointer to UI_MENU_SELECTION.
@param MenuOption The MenuOption for this password Question.
@param String The clear text of password.
@retval EFI_NOT_AVAILABLE_YET Callback() request to terminate password input.
@return In state of BROWSER_STATE_VALIDATE_PASSWORD:
@retval EFI_SUCCESS Password correct, Browser will prompt for new
password.
@retval EFI_NOT_READY Password incorrect, Browser will show error
message.
@retval Other Browser will do nothing.
@return In state of BROWSER_STATE_SET_PASSWORD:
@retval EFI_SUCCESS Set password success.
@retval Other Set password failed.
**/
EFI_STATUS
PasswordCallback (
IN UI_MENU_SELECTION *Selection,
IN FORM_BROWSER_STATEMENT *Question,
IN CHAR16 *String
);
/**
Display error message for invalid password.
**/
VOID
PasswordInvalid (
VOID
);
/**
The worker function that send the displays to the screen. On output,
the selection made by user is returned.
@param Selection On input, Selection tell setup browser the information
about the Selection, form and formset to be displayed.
On output, Selection return the screen item that is selected
by user.
@retval EFI_SUCCESS The page is displayed successfully.
@return Other value if the page failed to be diplayed.
**/
EFI_STATUS
SetupBrowser (
IN OUT UI_MENU_SELECTION *Selection
);
/**
Free up the resource allocated for all strings required
by Setup Browser.
**/
VOID
FreeBrowserStrings (
VOID
);
/**
Create a menu with specified formset GUID and form ID, and add it as a child
of the given parent menu.
@param HiiHandle Hii handle related to this formset.
@param FormSetGuid The Formset Guid of menu to be added.
@param FormId The Form ID of menu to be added.
@param QuestionId The question id of this menu to be added.
@return A pointer to the newly added menu or NULL if memory is insufficient.
**/
FORM_ENTRY_INFO *
UiAddMenuList (
IN EFI_HII_HANDLE HiiHandle,
IN EFI_GUID *FormSetGuid,
IN UINT16 FormId,
IN UINT16 QuestionId
);
/**
Search Menu with given FormSetGuid and FormId in all cached menu list.
@param HiiHandle HiiHandle for FormSet.
@param FormSetGuid The Formset GUID of the menu to search.
@param FormId The Form ID of menu to search.
@return A pointer to menu found or NULL if not found.
**/
FORM_ENTRY_INFO *
UiFindMenuList (
IN EFI_HII_HANDLE HiiHandle,
IN EFI_GUID *FormSetGuid,
IN UINT16 FormId
);
/**
Free Menu list linked list.
@param MenuListHead One Menu list point in the menu list.
**/
VOID
UiFreeMenuList (
LIST_ENTRY *MenuListHead
);
/**
Find parent menu for current menu.
@param CurrentMenu Current Menu
@retval The parent menu for current menu.
**/
FORM_ENTRY_INFO *
UiFindParentMenu (
IN FORM_ENTRY_INFO *CurrentMenu
);
/**
Search an Option of a Question by its value.
@param Question The Question
@param OptionValue Value for Option to be searched.
@retval Pointer Pointer to the found Option.
@retval NULL Option not found.
**/
QUESTION_OPTION *
ValueToOption (
IN FORM_BROWSER_STATEMENT *Question,
IN EFI_HII_VALUE *OptionValue
);
/**
Return data element in an Array by its Index.
@param Array The data array.
@param Type Type of the data in this array.
@param Index Zero based index for data in this array.
@retval Value The data to be returned
**/
UINT64
GetArrayData (
IN VOID *Array,
IN UINT8 Type,
IN UINTN Index
);
/**
Set value of a data element in an Array by its Index.
@param Array The data array.
@param Type Type of the data in this array.
@param Index Zero based index for data in this array.
@param Value The value to be set.
**/
VOID
SetArrayData (
IN VOID *Array,
IN UINT8 Type,
IN UINTN Index,
IN UINT64 Value
);
/**
Compare two Hii value.
@param Value1 Expression value to compare on left-hand.
@param Value2 Expression value to compare on right-hand.
@param Result Return value after compare.
retval 0 Two operators equal.
return Positive value if Value1 is greater than Value2.
retval Negative value if Value1 is less than Value2.
@param HiiHandle Only required for string compare.
@retval other Could not perform compare on two values.
@retval EFI_SUCCESS Compare the value success.
**/
EFI_STATUS
CompareHiiValue (
IN EFI_HII_VALUE *Value1,
IN EFI_HII_VALUE *Value2,
OUT INTN *Result,
IN EFI_HII_HANDLE HiiHandle OPTIONAL
);
/**
Perform Password check.
Passwork may be encrypted by driver that requires the specific check.
@param Form Form where Password Statement is in.
@param Statement Password statement
@param PasswordString Password string to be checked. It may be NULL.
NULL means to restore password.
"" string can be used to checked whether old password does exist.
@return Status Status of Password check.
**/
EFI_STATUS
EFIAPI
PasswordCheck (
IN FORM_DISPLAY_ENGINE_FORM *Form,
IN FORM_DISPLAY_ENGINE_STATEMENT *Statement,
IN EFI_STRING PasswordString OPTIONAL
);
/**
Get FORM_BROWSER_STATEMENT from FORM_DISPLAY_ENGINE_STATEMENT based on the OpCode info.
@param DisplayStatement The input FORM_DISPLAY_ENGINE_STATEMENT.
@retval FORM_BROWSER_STATEMENT The return FORM_BROWSER_STATEMENT info.
**/
FORM_BROWSER_STATEMENT *
GetBrowserStatement (
IN FORM_DISPLAY_ENGINE_STATEMENT *DisplayStatement
);
/**
Initialize the Display form structure data.
**/
VOID
InitializeDisplayFormData (
VOID
);
/**
Base on the current formset info, clean the ConfigRequest string in browser storage.
@param FormSet Pointer of the FormSet
**/
VOID
CleanBrowserStorage (
IN OUT FORM_BROWSER_FORMSET *FormSet
);
/**
Find HII Handle in the HII database associated with given Device Path.
If DevicePath is NULL, then ASSERT.
@param DevicePath Device Path associated with the HII package list
handle.
@param FormsetGuid The formset guid for this formset.
@retval Handle HII package list Handle associated with the Device
Path.
@retval NULL Hii Package list handle is not found.
**/
EFI_HII_HANDLE
DevicePathToHiiHandle (
IN EFI_DEVICE_PATH_PROTOCOL *DevicePath,
IN EFI_GUID *FormsetGuid
);
#endif
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