diff options
Diffstat (limited to 'roms/edk2/MdeModulePkg/Universal/SetupBrowserDxe/Setup.h')
| -rw-r--r-- | roms/edk2/MdeModulePkg/Universal/SetupBrowserDxe/Setup.h | 1875 |
1 files changed, 1875 insertions, 0 deletions
diff --git a/roms/edk2/MdeModulePkg/Universal/SetupBrowserDxe/Setup.h b/roms/edk2/MdeModulePkg/Universal/SetupBrowserDxe/Setup.h new file mode 100644 index 000000000..5d46fa42e --- /dev/null +++ b/roms/edk2/MdeModulePkg/Universal/SetupBrowserDxe/Setup.h @@ -0,0 +1,1875 @@ +/** @file
+Private MACRO, structure and function definitions for Setup Browser module.
+
+Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR>
+SPDX-License-Identifier: BSD-2-Clause-Patent
+
+
+**/
+
+#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 <Protocol/RegularExpressionProtocol.h>
+
+#include <Guid/MdeModuleHii.h>
+#include <Guid/HiiPlatformSetupFormset.h>
+#include <Guid/HiiFormMapMethodGuid.h>
+#include <Guid/ZeroGuid.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;
+ EDKII_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
+
+ BOOLEAN Initialized; // Whether this varstore is initialized, efi varstore not used.
+
+ EFI_HII_HANDLE HiiHandle; // HiiHandle for this varstore, efi varstore not used.
+ 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 *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;
+
+ LIST_ENTRY SaveFailLink;
+
+ UINT16 VarStoreId;
+
+ BROWSER_STORAGE *BrowserStorage;
+
+ CHAR16 *ConfigHdr; // <ConfigHdr>
+
+ CHAR16 *ConfigRequest; // <ConfigRequest> = <ConfigHdr> + <RequestElement>
+ CHAR16 *ConfigAltResp; // Alt config response string for this ConfigRequest.
+ BOOLEAN HasCallAltCfg; // Flag to show whether browser has call ExtractConfig to get Altcfg string.
+ UINTN ElementCount; // Number of <RequestElement> in the <ConfigRequest>
+ UINTN SpareStrLen; // Spare length of ConfigRequest string buffer
+ CHAR16 *RestoreConfigRequest; // When submit formset fail, the element need to be restored
+ CHAR16 *SyncConfigRequest; // When submit formset fail, the element need to be synced
+} FORMSET_STORAGE;
+
+#define FORMSET_STORAGE_FROM_LINK(a) CR (a, FORMSET_STORAGE, Link, FORMSET_STORAGE_SIGNATURE)
+#define FORMSET_STORAGE_FROM_SAVE_FAIL_LINK(a) CR (a, FORMSET_STORAGE, SaveFailLink, 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
+ EFI_IFR_OP_HEADER *OpCode; // Save the opcode buffer.
+
+ 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;
+
+typedef struct _FORM_BROWSER_STATEMENT FORM_BROWSER_STATEMENT;
+
+#define FORM_BROWSER_STATEMENT_SIGNATURE SIGNATURE_32 ('F', 'S', 'T', 'A')
+
+struct _FORM_BROWSER_STATEMENT{
+ 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;
+ UINT16 BitStorageWidth;
+ UINT16 BitVarOffset;
+ UINT8 QuestionFlags;
+ BOOLEAN QuestionReferToBitField;// Whether the question is stored in a bit field.
+ 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
+
+ FORM_BROWSER_STATEMENT *ParentStatement;
+
+ 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.
+};
+
+#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;
+
+ LIST_ENTRY SaveFailLink;
+
+ CHAR16 *ConfigRequest; // <ConfigRequest> = <ConfigHdr> + <RequestElement>
+ CHAR16 *ConfigAltResp; // Alt config response string for this ConfigRequest.
+ UINTN ElementCount; // Number of <RequestElement> in the <ConfigRequest>
+ UINTN SpareStrLen;
+ CHAR16 *RestoreConfigRequest; // When submit form fail, the element need to be restored
+ CHAR16 *SyncConfigRequest; // When submit form fail, the element need to be synced
+
+ 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_CONFIG_REQUEST_FROM_SAVE_FAIL_LINK(a) CR (a, FORM_BROWSER_CONFIG_REQUEST, SaveFailLink, 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.
+ EFI_GUID RefreshGuid; // Form refresh event guid.
+
+ LIST_ENTRY FormViewListHead; // List of type FORMID_INFO is Browser View Form History List.
+ 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;
+ LIST_ENTRY SaveFailLink;
+
+ 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;
+ EFI_IFR_OP_HEADER *OpCode; //mainly for formset op to get ClassGuid
+
+ FORM_BROWSER_STATEMENT *StatementBuffer; // Buffer for all Statements and Questions
+ EXPRESSION_OPCODE *ExpressionBuffer; // Buffer for all Expression OpCode
+ FORM_BROWSER_FORM *SaveFailForm; // The form which failed to save.
+ FORM_BROWSER_STATEMENT *SaveFailStatement; // The Statement which failed to save.
+
+ LIST_ENTRY StatementListOSF; // Statement list out side of the form.
+ LIST_ENTRY StorageListHead; // Storage list (FORMSET_STORAGE)
+ LIST_ENTRY SaveFailStorageListHead; // Storage list for the save fail 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)
+
+#define FORM_BROWSER_FORMSET_FROM_SAVE_FAIL_LINK(a) CR (a, FORM_BROWSER_FORMSET, SaveFailLink, 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 FlagReconnect;
+ BOOLEAN CallbackReconnect;
+ BOOLEAN ResetRequired;
+ BOOLEAN ExitRequired;
+ EFI_HII_HANDLE HiiHandle;
+ EFI_GUID FormSetGuid;
+ EFI_FORM_ID FormId;
+ UI_MENU_SELECTION *Selection;
+ FORM_BROWSER_FORMSET *SystemLevelFormSet;
+ EFI_QUESTION_ID CurFakeQestId;
+ BOOLEAN HiiPackageListUpdated;
+ BOOLEAN FinishRetrieveCall;
+ LIST_ENTRY FormHistoryList;
+ LIST_ENTRY FormSetList;
+} 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 = 0, // 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.
+ GetSetValueWithBothBuffer, // Compare the editbuffer with buffer for this question, not use the question value.
+ 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 gCallbackReconnect;
+extern BOOLEAN gFlagReconnect;
+extern BOOLEAN gResetRequiredFormLevel;
+extern BOOLEAN gResetRequiredSystemLevel;
+extern BOOLEAN gExitRequired;
+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 UI_MENU_SELECTION *gCurrentSelection;
+extern BOOLEAN mHiiPackageListUpdated;
+extern UINT16 mCurFakeQestId;
+extern BOOLEAN mFinishRetrieveCall;
+
+//
+// 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
+ );
+
+/**
+ Validate the FormSet. If the formset is not validate, remove it from the list.
+
+ @param FormSet The input FormSet which need to validate.
+
+ @retval TRUE The handle is validate.
+ @retval FALSE The handle is invalidate.
+
+**/
+BOOLEAN
+ValidateFormSet (
+ FORM_BROWSER_FORMSET *FormSet
+ );
+
+/**
+ Update the ValueChanged status for questions.
+
+ @param FormSet FormSet data structure.
+ @param Form Form data structure.
+ @param SettingScope Setting Scope for Default action.
+
+**/
+VOID
+UpdateStatementStatus (
+ IN FORM_BROWSER_FORMSET *FormSet,
+ IN FORM_BROWSER_FORM *Form,
+ IN BROWSER_SETTING_SCOPE SettingScope
+ );
+
+/**
+ 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.
+ @param SkipGetAltCfg Whether skip the get altcfg string process.
+
+ @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,
+ IN BOOLEAN SkipGetAltCfg
+ );
+
+/**
+ 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
+ );
+
+/**
+ 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 executes successfully.
+ @return Other value if the call back function failed to execute.
+**/
+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.
+ @param FormSet The formset this question belong to.
+
+ @retval EFI_SUCCESS The call back function executes successfully.
+ @return Other value if the call back function failed to execute.
+**/
+EFI_STATUS
+ProcessRetrieveForQuestion (
+ IN EFI_HII_CONFIG_ACCESS_PROTOCOL *ConfigAccess,
+ IN FORM_BROWSER_STATEMENT *Statement,
+ IN FORM_BROWSER_FORMSET *FormSet
+ );
+
+/**
+ 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.
+ @retval EFI_ALREADY_STARTED Key already been registered for one hot key.
+**/
+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.
+ @retval BROWSER_KEEP_CURRENT Browser keep current changes.
+
+**/
+UINT32
+EFIAPI
+SaveReminder (
+ VOID
+ );
+
+/**
+ Check whether the Reset Required for the browser
+
+ @retval TRUE Browser required to reset after exit.
+ @retval FALSE Browser not need to reset after exit.
+
+**/
+BOOLEAN
+EFIAPI
+IsResetRequired (
+ 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
+ @param SettingLevel Whether find parent menu in Form Level or Formset level.
+ In form level, just find the parent menu;
+ In formset level, find the parent menu which has different
+ formset guid value.
+
+ @retval The parent menu for current menu.
+**/
+FORM_ENTRY_INFO *
+UiFindParentMenu (
+ IN FORM_ENTRY_INFO *CurrentMenu,
+ IN BROWSER_SETTING_SCOPE SettingLevel
+ );
+
+/**
+ Validate the HiiHandle.
+
+ @param HiiHandle The input HiiHandle which need to validate.
+
+ @retval TRUE The handle is validate.
+ @retval FALSE The handle is invalidate.
+
+**/
+BOOLEAN
+ValidateHiiHandle (
+ EFI_HII_HANDLE HiiHandle
+ );
+
+/**
+ Copy current Menu list to the new menu list.
+
+ @param NewMenuListHead New create Menu list.
+ @param CurrentMenuListHead Current Menu list.
+
+**/
+VOID
+UiCopyMenuList (
+ OUT LIST_ENTRY *NewMenuListHead,
+ IN LIST_ENTRY *CurrentMenuListHead
+ );
+
+/**
+ 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
+ );
+
+/**
+ Adjust the config request info, remove the request elements which already in AllConfigRequest string.
+
+ @param Storage Form set Storage.
+ @param Request The input request string.
+ @param RespString Whether the input is ConfigRequest or ConfigResp format.
+
+ @retval TRUE Has element not covered by current used elements, need to continue to call ExtractConfig
+ @retval FALSE All elements covered by current used elements.
+
+**/
+BOOLEAN
+ConfigRequestAdjust (
+ IN BROWSER_STORAGE *Storage,
+ IN CHAR16 *Request,
+ IN BOOLEAN RespString
+ );
+
+/**
+ Perform question check.
+
+ If one question has more than one check, process form high priority to low.
+
+ @param FormSet FormSet data structure.
+ @param Form Form data structure.
+ @param Question The Question to be validated.
+
+ @retval EFI_SUCCESS Form validation pass.
+ @retval other Form validation failed.
+
+**/
+EFI_STATUS
+ValueChangedValidation (
+ IN FORM_BROWSER_FORMSET *FormSet,
+ IN FORM_BROWSER_FORM *Form,
+ IN FORM_BROWSER_STATEMENT *Question
+ );
+
+/**
+ Pop up the error info.
+
+ @param BrowserStatus The input browser status.
+ @param HiiHandle The HiiHandle for this error opcode.
+ @param OpCode The opcode use to get the erro info and timeout value.
+ @param ErrorString Error string used by BROWSER_NO_SUBMIT_IF.
+
+**/
+UINT32
+PopupErrorMessage (
+ IN UINT32 BrowserStatus,
+ IN EFI_HII_HANDLE HiiHandle,
+ IN EFI_IFR_OP_HEADER *OpCode, OPTIONAL
+ IN CHAR16 *ErrorString
+ );
+
+/**
+ Check whether the result is TRUE or FALSE.
+
+ For the EFI_HII_VALUE value type is numeric, return TRUE if the
+ value is not 0.
+
+ @param Result Input the result data.
+
+ @retval TRUE The result is TRUE.
+ @retval FALSE The result is FALSE.
+
+**/
+BOOLEAN
+IsTrue (
+ IN EFI_HII_VALUE *Result
+ );
+
+/**
+ Get Formset_storage base on the input varstoreid info.
+
+ @param FormSet Pointer of the current FormSet.
+ @param VarStoreId Varstore ID info.
+
+ @return Pointer to a FORMSET_STORAGE data structure.
+
+**/
+FORMSET_STORAGE *
+GetFstStgFromVarId (
+ IN FORM_BROWSER_FORMSET *FormSet,
+ IN EFI_VARSTORE_ID VarStoreId
+ );
+
+/**
+ Get Formset_storage base on the input browser storage.
+
+ More than one formsets may share the same browser storage,
+ this function just get the first formset storage which
+ share the browser storage.
+
+ @param Storage browser storage info.
+
+ @return Pointer to a FORMSET_STORAGE data structure.
+
+
+**/
+FORMSET_STORAGE *
+GetFstStgFromBrsStg (
+ IN BROWSER_STORAGE *Storage
+ );
+
+/**
+ Reconnect the controller.
+
+ @param DriverHandle The controller handle which need to be reconnect.
+
+ @retval TRUE do the reconnect behavior success.
+ @retval FALSE do the reconnect behavior failed.
+
+**/
+BOOLEAN
+ReconnectController (
+ IN EFI_HANDLE DriverHandle
+ );
+
+/**
+ Converts the unicode character of the string from uppercase to lowercase.
+ This is a internal function.
+
+ @param ConfigString String to be converted
+
+**/
+VOID
+EFIAPI
+HiiToLower (
+ IN EFI_STRING ConfigString
+ );
+
+#endif
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