audk/Tools/CCode/Source/Include/Common/InternalFormRepresentation.h

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/** @file
This file defines the encoding for the VFR (Visual Form Representation) language.
IFR is primarily consumed by the EFI presentation engine, and produced by EFI
internal application and drivers as well as all add-in card option-ROM drivers
Copyright (c) 2006, Intel Corporation
All rights reserved. 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.
Module Name: InternalFormRepresentation.h
@par Revision Reference:
These definitions are from Human Interface Infrastructure Spec Version 0.92.
**/
#ifndef __EFI_INTERNAL_FORM_REPRESENTATION_H__
#define __EFI_INTERNAL_FORM_REPRESENTATION_H__
//
// The following types are currently defined:
//
typedef UINT32 RELOFST;
typedef CHAR16 *EFI_STRING;
//
// IFR Op codes
//
#define EFI_IFR_FORM_OP 0x01
#define EFI_IFR_SUBTITLE_OP 0x02
#define EFI_IFR_TEXT_OP 0x03
#define EFI_IFR_GRAPHIC_OP 0x04
#define EFI_IFR_ONE_OF_OP 0x05
#define EFI_IFR_CHECKBOX_OP 0x06
#define EFI_IFR_NUMERIC_OP 0x07
#define EFI_IFR_PASSWORD_OP 0x08
#define EFI_IFR_ONE_OF_OPTION_OP 0x09 // ONEOF OPTION field
#define EFI_IFR_SUPPRESS_IF_OP 0x0A
#define EFI_IFR_END_FORM_OP 0x0B
#define EFI_IFR_HIDDEN_OP 0x0C
#define EFI_IFR_END_FORM_SET_OP 0x0D
#define EFI_IFR_FORM_SET_OP 0x0E
#define EFI_IFR_REF_OP 0x0F
#define EFI_IFR_END_ONE_OF_OP 0x10
#define EFI_IFR_END_OP EFI_IFR_END_ONE_OF_OP
#define EFI_IFR_INCONSISTENT_IF_OP 0x11
#define EFI_IFR_EQ_ID_VAL_OP 0x12
#define EFI_IFR_EQ_ID_ID_OP 0x13
#define EFI_IFR_EQ_ID_LIST_OP 0x14
#define EFI_IFR_AND_OP 0x15
#define EFI_IFR_OR_OP 0x16
#define EFI_IFR_NOT_OP 0x17
#define EFI_IFR_END_IF_OP 0x18 // for endif of inconsistentif, suppressif, grayoutif
#define EFI_IFR_GRAYOUT_IF_OP 0x19
#define EFI_IFR_DATE_OP 0x1A
#define EFI_IFR_TIME_OP 0x1B
#define EFI_IFR_STRING_OP 0x1C
#define EFI_IFR_LABEL_OP 0x1D
#define EFI_IFR_SAVE_DEFAULTS_OP 0x1E
#define EFI_IFR_RESTORE_DEFAULTS_OP 0x1F
#define EFI_IFR_BANNER_OP 0x20
#define EFI_IFR_INVENTORY_OP 0x21
#define EFI_IFR_EQ_VAR_VAL_OP 0x22
#define EFI_IFR_ORDERED_LIST_OP 0x23
#define EFI_IFR_VARSTORE_OP 0x24
#define EFI_IFR_VARSTORE_SELECT_OP 0x25
#define EFI_IFR_VARSTORE_SELECT_PAIR_OP 0x26
#define EFI_IFR_TRUE_OP 0x27
#define EFI_IFR_FALSE_OP 0x28
#define EFI_IFR_GT_OP 0x29
#define EFI_IFR_GE_OP 0x2A
#define EFI_IFR_OEM_DEFINED_OP 0x2B
#define EFI_IFR_LAST_OPCODE EFI_IFR_OEM_DEFINED_OP
#define EFI_IFR_OEM_OP 0xFE
#define EFI_IFR_NV_ACCESS_COMMAND 0xFF
//
// Define values for the flags fields in some VFR opcodes. These are
// bitmasks.
//
#define EFI_IFR_FLAG_DEFAULT 0x01
#define EFI_IFR_FLAG_MANUFACTURING 0x02
#define EFI_IFR_FLAG_INTERACTIVE 0x04
#define EFI_IFR_FLAG_NV_ACCESS 0x08
#define EFI_IFR_FLAG_RESET_REQUIRED 0x10
#define EFI_IFR_FLAG_LATE_CHECK 0x20
#define EFI_NON_DEVICE_CLASS 0x00 // Useful when you do not want something in the Device Manager
#define EFI_DISK_DEVICE_CLASS 0x01
#define EFI_VIDEO_DEVICE_CLASS 0x02
#define EFI_NETWORK_DEVICE_CLASS 0x04
#define EFI_INPUT_DEVICE_CLASS 0x08
#define EFI_ON_BOARD_DEVICE_CLASS 0x10
#define EFI_OTHER_DEVICE_CLASS 0x20
#define EFI_SETUP_APPLICATION_SUBCLASS 0x00
#define EFI_GENERAL_APPLICATION_SUBCLASS 0x01
#define EFI_FRONT_PAGE_SUBCLASS 0x02
#define EFI_SINGLE_USE_SUBCLASS 0x03 // Used to display a single entity and then exit
//
// Used to flag dynamically created op-codes. This is meaningful to the IFR Library set
// and the browser since we need to distinguish between compiled NV map data and created data.
// We do not allow new entries to be created in the NV map dynamically however we still need
// to display this information correctly. To dynamically create op-codes and assume that their
// data will be saved, ensure that the NV starting location they refer to is pre-defined in the
// NV map.
//
#define EFI_IFR_FLAG_CREATED 128
#pragma pack(1)
//
// IFR Structure definitions
//
typedef struct {
UINT8 OpCode;
UINT8 Length;
} EFI_IFR_OP_HEADER;
typedef struct {
EFI_IFR_OP_HEADER Header;
EFI_GUID Guid;
STRING_REF FormSetTitle;
STRING_REF Help;
EFI_PHYSICAL_ADDRESS CallbackHandle;
UINT16 Class;
UINT16 SubClass;
UINT16 NvDataSize; // set once, size of the NV data as defined in the script
} EFI_IFR_FORM_SET;
typedef struct {
EFI_IFR_OP_HEADER Header;
UINT16 FormId;
STRING_REF FormTitle;
} EFI_IFR_FORM;
typedef struct {
EFI_IFR_OP_HEADER Header;
UINT16 LabelId;
} EFI_IFR_LABEL;
typedef struct {
EFI_IFR_OP_HEADER Header;
STRING_REF SubTitle;
} EFI_IFR_SUBTITLE;
typedef struct {
EFI_IFR_OP_HEADER Header;
STRING_REF Help;
STRING_REF Text;
STRING_REF TextTwo;
UINT8 Flags; // This is included solely for purposes of interactive/dynamic support.
UINT16 Key; // Value to be passed to caller to identify this particular op-code
} EFI_IFR_TEXT;
//
// goto
//
typedef struct {
EFI_IFR_OP_HEADER Header;
UINT16 FormId;
STRING_REF Prompt;
STRING_REF Help; // The string Token for the context-help
UINT8 Flags; // This is included solely for purposes of interactive/dynamic support.
UINT16 Key; // Value to be passed to caller to identify this particular op-code
} EFI_IFR_REF;
typedef struct {
EFI_IFR_OP_HEADER Header;
} EFI_IFR_END_FORM;
typedef struct {
EFI_IFR_OP_HEADER Header;
} EFI_IFR_END_FORM_SET;
//
// Also notice that the IFR_ONE_OF and IFR_CHECK_BOX are identical in structure......code assumes this to be true, if this ever
// changes we need to revisit the InitializeTagStructures code
//
typedef struct {
EFI_IFR_OP_HEADER Header;
UINT16 QuestionId; // The ID designating what the question is about...sucked in from a #define, likely in the form of a variable name
UINT8 Width; // The Size of the Data being saved
STRING_REF Prompt; // The String Token for the Prompt
STRING_REF Help; // The string Token for the context-help
} EFI_IFR_ONE_OF;
typedef struct {
EFI_IFR_OP_HEADER Header;
UINT16 QuestionId; // The offset in NV for storage of the data
UINT8 MaxEntries; // The maximum number of options in the ordered list (=size of NVStore)
STRING_REF Prompt; // The string token for the prompt
STRING_REF Help; // The string token for the context-help
} EFI_IFR_ORDERED_LIST;
typedef struct {
EFI_IFR_OP_HEADER Header;
UINT16 QuestionId; // The ID designating what the question is about...sucked in from a #define, likely in the form of a variable name
UINT8 Width; // The Size of the Data being saved
STRING_REF Prompt; // The String Token for the Prompt
STRING_REF Help; // The string Token for the context-help
UINT8 Flags; // For now, if non-zero, means that it is the default option, - further definition likely
UINT16 Key; // Value to be passed to caller to identify this particular op-code
} EFI_IFR_CHECKBOX, EFI_IFR_CHECK_BOX;
typedef struct {
EFI_IFR_OP_HEADER Header;
STRING_REF Option; // The string token describing the option
UINT16 Value; // The value associated with this option that is stored in the NVRAM if chosen
UINT8 Flags; // For now, if non-zero, means that it is the default option, - further definition likely above
UINT16 Key; // Value to be passed to caller to identify this particular op-code
} EFI_IFR_ONE_OF_OPTION;
typedef struct {
EFI_IFR_OP_HEADER Header;
UINT16 QuestionId; // The ID designating what the question is about...sucked in from a #define, likely in the form of a variable name
UINT8 Width; // The Size of the Data being saved
STRING_REF Prompt; // The String Token for the Prompt
STRING_REF Help; // The string Token for the context-help
UINT8 Flags; // This is included solely for purposes of interactive/dynamic support.
UINT16 Key; // Value to be passed to caller to identify this particular op-code
UINT16 Minimum;
UINT16 Maximum;
UINT16 Step; // If step is 0, then manual input is specified, otherwise, left/right arrow selection is called for
UINT16 Default;
} EFI_IFR_NUMERIC;
//
// There is an interesting twist with regards to Time and Date. This is one of the few items which can accept input from
// a user, however may or may not need to use storage in the NVRAM space. The decided method for determining if NVRAM space
// will be used (only for a TimeOp or DateOp) is: If .QuestionId == 0 && .Width == 0 (normally an impossibility) then use system
// resources to store the data away and not NV resources. In other words, the setup engine will call gRT->SetTime, and gRT->SetDate
// for the saving of data, and the values displayed will be from the gRT->GetXXXX series of calls.
//
typedef struct {
EFI_IFR_NUMERIC Hour;
EFI_IFR_NUMERIC Minute;
EFI_IFR_NUMERIC Second;
} EFI_IFR_TIME;
typedef struct {
EFI_IFR_NUMERIC Year;
EFI_IFR_NUMERIC Month;
EFI_IFR_NUMERIC Day;
} EFI_IFR_DATE;
typedef struct {
EFI_IFR_OP_HEADER Header;
UINT16 QuestionId; // The ID designating what the question is about...sucked in from a #define, likely in the form of a variable name
UINT8 Width; // The Size of the Data being saved -- BUGBUG -- remove someday
STRING_REF Prompt; // The String Token for the Prompt
STRING_REF Help; // The string Token for the context-help
UINT8 Flags; // This is included solely for purposes of interactive/dynamic support.
UINT16 Key; // Value to be passed to caller to identify this particular op-code
UINT8 MinSize; // Minimum allowable sized password
UINT8 MaxSize; // Maximum allowable sized password
UINT16 Encoding;
} EFI_IFR_PASSWORD;
typedef struct {
EFI_IFR_OP_HEADER Header;
UINT16 QuestionId; // The ID designating what the question is about...sucked in from a #define, likely in the form of a variable name
UINT8 Width; // The Size of the Data being saved -- BUGBUG -- remove someday
STRING_REF Prompt; // The String Token for the Prompt
STRING_REF Help; // The string Token for the context-help
UINT8 Flags; // This is included solely for purposes of interactive/dynamic support.
UINT16 Key; // Value to be passed to caller to identify this particular op-code
UINT8 MinSize; // Minimum allowable sized password
UINT8 MaxSize; // Maximum allowable sized password
} EFI_IFR_STRING;
typedef struct {
EFI_IFR_OP_HEADER Header;
} EFI_IFR_END_ONE_OF;
typedef struct {
EFI_IFR_OP_HEADER Header;
UINT16 Value;
UINT16 Key;
} EFI_IFR_HIDDEN;
typedef struct {
EFI_IFR_OP_HEADER Header;
UINT8 Flags;
} EFI_IFR_SUPPRESS;
typedef struct {
EFI_IFR_OP_HEADER Header;
UINT8 Flags;
} EFI_IFR_GRAY_OUT;
typedef struct {
EFI_IFR_OP_HEADER Header;
STRING_REF Popup;
UINT8 Flags;
} EFI_IFR_INCONSISTENT;
typedef struct {
EFI_IFR_OP_HEADER Header;
UINT16 QuestionId; // offset into variable storage
UINT8 Width; // size of variable storage
UINT16 Value; // value to compare against
} EFI_IFR_EQ_ID_VAL;
typedef struct {
EFI_IFR_OP_HEADER Header;
UINT16 QuestionId; // offset into variable storage
UINT8 Width; // size of variable storage
UINT16 ListLength;
UINT16 ValueList[1];
} EFI_IFR_EQ_ID_LIST;
typedef struct {
EFI_IFR_OP_HEADER Header;
UINT16 QuestionId1; // offset into variable storage for first value to compare
UINT8 Width; // size of variable storage (must be same for both)
UINT16 QuestionId2; // offset into variable storage for second value to compare
} EFI_IFR_EQ_ID_ID;
typedef struct {
EFI_IFR_OP_HEADER Header;
UINT16 VariableId; // offset into variable storage
UINT16 Value; // value to compare against
} EFI_IFR_EQ_VAR_VAL;
typedef struct {
EFI_IFR_OP_HEADER Header;
} EFI_IFR_AND;
typedef struct {
EFI_IFR_OP_HEADER Header;
} EFI_IFR_OR;
typedef struct {
EFI_IFR_OP_HEADER Header;
} EFI_IFR_NOT;
typedef struct {
EFI_IFR_OP_HEADER Header;
} EFI_IFR_END_EXPR, EFI_IFR_END_IF;
typedef struct {
EFI_IFR_OP_HEADER Header;
UINT16 FormId;
STRING_REF Prompt;
STRING_REF Help;
UINT8 Flags;
UINT16 Key;
} EFI_IFR_SAVE_DEFAULTS;
typedef struct {
EFI_IFR_OP_HEADER Header;
STRING_REF Help;
STRING_REF Text;
STRING_REF TextTwo; // optional text
} EFI_IFR_INVENTORY;
typedef struct {
EFI_IFR_OP_HEADER Header;
EFI_GUID Guid; // GUID for the variable
UINT16 VarId; // variable store ID, as referenced elsewhere in the form
UINT16 Size; // size of the variable storage
} EFI_IFR_VARSTORE;
typedef struct {
EFI_IFR_OP_HEADER Header;
UINT16 VarId; // variable store ID, as referenced elsewhere in the form
} EFI_IFR_VARSTORE_SELECT;
//
// Used for the ideqid VFR statement where two variable stores may be referenced in the
// same VFR statement.
// A browser should treat this as an EFI_IFR_VARSTORE_SELECT statement and assume that all following
// IFR opcodes use the VarId as defined here.
//
typedef struct {
EFI_IFR_OP_HEADER Header;
UINT16 VarId; // variable store ID, as referenced elsewhere in the form
UINT16 SecondaryVarId; // variable store ID, as referenced elsewhere in the form
} EFI_IFR_VARSTORE_SELECT_PAIR;
typedef struct {
EFI_IFR_OP_HEADER Header;
} EFI_IFR_TRUE;
typedef struct {
EFI_IFR_OP_HEADER Header;
} EFI_IFR_FALSE;
typedef struct {
EFI_IFR_OP_HEADER Header;
} EFI_IFR_GT;
typedef struct {
EFI_IFR_OP_HEADER Header;
} EFI_IFR_GE;
//
// Save defaults and restore defaults have same structure
//
#define EFI_IFR_RESTORE_DEFAULTS EFI_IFR_SAVE_DEFAULTS
typedef struct {
EFI_IFR_OP_HEADER Header;
STRING_REF Title; // The string token for the banner title
UINT16 LineNumber; // 1-based line number
UINT8 Alignment; // left, center, or right-aligned
} EFI_IFR_BANNER;
#define EFI_IFR_BANNER_ALIGN_LEFT 0
#define EFI_IFR_BANNER_ALIGN_CENTER 1
#define EFI_IFR_BANNER_ALIGN_RIGHT 2
#define EFI_IFR_BANNER_TIMEOUT 0xFF
#pragma pack()
#endif