X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=blobdiff_plain;f=OldMdePkg%2FInclude%2FProtocol%2FHii.h;fp=OldMdePkg%2FInclude%2FProtocol%2FHii.h;h=1fa0a2618c6baa78a30f31fed0c72137b18fc0e5;hp=0000000000000000000000000000000000000000;hb=586cd1f1f4129ab7ec24543d4968801e17cc870b;hpb=144d783d40c8a02113350feabd1b9a55b692313f diff --git a/OldMdePkg/Include/Protocol/Hii.h b/OldMdePkg/Include/Protocol/Hii.h new file mode 100644 index 0000000000..1fa0a2618c --- /dev/null +++ b/OldMdePkg/Include/Protocol/Hii.h @@ -0,0 +1,944 @@ +/** @file + This file defines the Human Interface Infrastructure protocol which will + be used by resources which want to publish IFR/Font/String data and have it + collected by the Configuration engine. + + Copyright (c) 2006 - 2007, 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: Hii.h + + @par Revision Reference: + This protocol is defined in HII spec 0.92. + +**/ + +#ifndef __HII_H__ +#define __HII_H__ + +#include "GraphicsOutput.h" + +#define EFI_HII_PROTOCOL_GUID \ + { \ + 0xd7ad636e, 0xb997, 0x459b, {0xbf, 0x3f, 0x88, 0x46, 0x89, 0x79, 0x80, 0xe1} \ + } + +// BugBug: +//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ +// If UGA goes away we need to put this some place. I'm not sure where? +// +//typedef struct { +// UINT8 Blue; +// UINT8 Green; +// UINT8 Red; +// UINT8 Reserved; +//} EFI_UGA_PIXEL; + +//++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ +// + +typedef struct _EFI_HII_PROTOCOL EFI_HII_PROTOCOL; + +// +// Global definition +// +#define NARROW_CHAR 0xFFF0 +#define WIDE_CHAR 0xFFF1 +#define NON_BREAKING_CHAR 0xFFF2 +#define GLYPH_WIDTH 8 +#define GLYPH_HEIGHT 19 + +#define EFI_HII_FONT 1 +#define EFI_HII_STRING 2 +#define EFI_HII_IFR 3 +#define EFI_HII_KEYBOARD 4 +#define EFI_HII_HANDLES 5 +#define EFI_HII_VARIABLE 6 +#define EFI_HII_DEVICE_PATH 7 + + +// References to string tokens must use this macro to enable scanning for +// token usages. +// +#define STRING_TOKEN(t) t + +// +// The following types are currently defined: +// +typedef UINT16 EFI_FORM_ID; +typedef UINT16 EFI_FORM_LABEL; + +#pragma pack(1) + +typedef struct { + UINT32 Length; + UINT16 Type; +} EFI_HII_PACK_HEADER; + +// +// A form list consists of a large variety of structure +// possibilities so to represent the binary blob of data +// associated with a package of forms, we will assume a +// pointer to a self-describing data buffer. +// +typedef struct { + EFI_HII_PACK_HEADER Header; +} EFI_HII_IFR_PACK; + +typedef struct { + EFI_HII_PACK_HEADER Header; // Must be filled in + EFI_HANDLE ImageHandle; // Must be filled in + EFI_HANDLE DeviceHandle; // Optional + EFI_HANDLE ControllerHandle; // Optional + EFI_HANDLE CallbackHandle; // Optional + EFI_HANDLE COBExportHandle; // Optional +} EFI_HII_HANDLE_PACK; + +// +// ******************************************************** +// EFI_VARIABLE_CONTENTS +// ******************************************************** +// +typedef struct { + EFI_HII_PACK_HEADER Header; + EFI_GUID VariableGuid; + UINT32 VariableNameLength; + UINT16 VariableId; + // + // CHAR16 VariableName[]; //Null-terminated + // +} EFI_HII_VARIABLE_PACK; + +// +// ******************************************************** +// EFI_DEVICE_PATH_PACK +// ******************************************************** +// +typedef struct { + EFI_HII_PACK_HEADER Header; + // + // EFI_DEVICE_PATH DevicePath[]; + // +} EFI_HII_DEVICE_PATH_PACK; + +// +// ******************************************************** +// EFI_HII_DATA_TABLE +// ******************************************************** +// +typedef struct { + EFI_HII_HANDLE HiiHandle; + EFI_GUID PackageGuid; + UINT32 DataTableSize; + UINT32 IfrDataOffset; + UINT32 StringDataOffset; + UINT32 VariableDataOffset; + UINT32 DevicePathOffset; + UINT32 NumberOfVariableData; + UINT32 NumberOfLanguages; + // + // EFI_HII_DEVICE_PATH_PACK DevicePath[]; + // EFI_HII_VARIABLE_PACK VariableData[]; + // EFI_HII_IFR_PACK IfrData; + // EFI_HII_STRING_PACK StringData[]; + // +} EFI_HII_DATA_TABLE; + +// +// ******************************************************** +// EFI_HII_EXPORT_TABLE +// ******************************************************** +// +typedef struct { + UINT32 NumberOfHiiDataTables; + EFI_GUID Revision; + // + // EFI_HII_DATA_TABLE HiiDataTable[]; + // +} EFI_HII_EXPORT_TABLE; + +typedef struct { + BOOLEAN FormSetUpdate; // If TRUE, next variable is significant + EFI_PHYSICAL_ADDRESS FormCallbackHandle; // If not 0, will update Formset with this info + BOOLEAN FormUpdate; // If TRUE, next variable is significant + UINT16 FormValue; // specify which form is to be updated if FormUpdate value is TRUE. + STRING_REF FormTitle; // If not 0, will update Form with this info + UINT16 DataCount; // The number of Data entries in this structure + UINT8 *Data; // An array of 1+ op-codes, specified by DataCount +} EFI_HII_UPDATE_DATA; + +// +// String attributes +// +#define LANG_RIGHT_TO_LEFT 0x00000001 + +// +// A string package is used to localize strings to a particular +// language. The package is associated with a particular driver +// or set of drivers. Tools are used to associate tokens with +// string references in forms and in programs. These tokens are +// language agnostic. When paired with a language pack (directly +// or indirectly), the string token resolves into an actual +// UNICODE string. The NumStringPointers determines how many +// StringPointers (offset values) there are as well as the total +// number of Strings that are defined. +// +typedef struct { + EFI_HII_PACK_HEADER Header; + RELOFST LanguageNameString; + RELOFST PrintableLanguageName; + UINT32 NumStringPointers; + UINT32 Attributes; + // + // RELOFST StringPointers[]; + // EFI_STRING Strings[]; + // +} EFI_HII_STRING_PACK; + +// +// Glyph Attributes +// +#define EFI_GLYPH_NON_SPACING 1 +#define EFI_GLYPH_WIDE 2 + +typedef struct { + CHAR16 UnicodeWeight; + UINT8 Attributes; + UINT8 GlyphCol1[GLYPH_HEIGHT]; +} EFI_NARROW_GLYPH; + +typedef struct { + CHAR16 UnicodeWeight; + UINT8 Attributes; + UINT8 GlyphCol1[GLYPH_HEIGHT]; + UINT8 GlyphCol2[GLYPH_HEIGHT]; + UINT8 Pad[3]; +} EFI_WIDE_GLYPH; + +// +// A font list consists of a font header followed by a series +// of glyph structures. Note that fonts are not language specific. +// +typedef struct { + EFI_HII_PACK_HEADER Header; + UINT16 NumberOfNarrowGlyphs; + UINT16 NumberOfWideGlyphs; +} EFI_HII_FONT_PACK; + +// +// The IfrData in the EFI_HII_IFR_PACK structure definition +// is variable length, and not really part of the header. To +// simplify from code the size of the header, define an +// identical structure that does not include the IfrData field. +// Then use sizeof() this new structure to determine the +// actual size of the header. +// +typedef struct { + EFI_HII_PACK_HEADER Header; +} EFI_HII_IFR_PACK_HEADER; + +// +// pedef EFI_HII_PACK_HEADER EFI_HII_IFR_PACK_HEADER; +// +typedef enum { + EfiKeyLCtrl, + EfiKeyA0, + EfiKeyLAlt, + EfiKeySpaceBar, + EfiKeyA2, + EfiKeyA3, + EfiKeyA4, + EfiKeyRCtrl, + EfiKeyLeftArrow, + EfiKeyDownArrow, + EfiKeyRightArrow, + EfiKeyZero, + EfiKeyPeriod, + EfiKeyEnter, + EfiKeyLShift, + EfiKeyB0, + EfiKeyB1, + EfiKeyB2, + EfiKeyB3, + EfiKeyB4, + EfiKeyB5, + EfiKeyB6, + EfiKeyB7, + EfiKeyB8, + EfiKeyB9, + EfiKeyB10, + EfiKeyRshift, + EfiKeyUpArrow, + EfiKeyOne, + EfiKeyTwo, + EfiKeyThree, + EfiKeyCapsLock, + EfiKeyC1, + EfiKeyC2, + EfiKeyC3, + EfiKeyC4, + EfiKeyC5, + EfiKeyC6, + EfiKeyC7, + EfiKeyC8, + EfiKeyC9, + EfiKeyC10, + EfiKeyC11, + EfiKeyC12, + EfiKeyFour, + EfiKeyFive, + EfiKeySix, + EfiKeyPlus, + EfiKeyTab, + EfiKeyD1, + EfiKeyD2, + EfiKeyD3, + EfiKeyD4, + EfiKeyD5, + EfiKeyD6, + EfiKeyD7, + EfiKeyD8, + EfiKeyD9, + EfiKeyD10, + EfiKeyD11, + EfiKeyD12, + EfiKeyD13, + EfiKeyDel, + EfiKeyEnd, + EfiKeyPgDn, + EfiKeySeven, + EfiKeyEight, + EfiKeyNine, + EfiKeyE0, + EfiKeyE1, + EfiKeyE2, + EfiKeyE3, + EfiKeyE4, + EfiKeyE5, + EfiKeyE6, + EfiKeyE7, + EfiKeyE8, + EfiKeyE9, + EfiKeyE10, + EfiKeyE11, + EfiKeyE12, + EfiKeyBackSpace, + EfiKeyIns, + EfiKeyHome, + EfiKeyPgUp, + EfiKeyNLck, + EfiKeySlash, + EfiKeyAsterisk, + EfiKeyMinus, + EfiKeyEsc, + EfiKeyF1, + EfiKeyF2, + EfiKeyF3, + EfiKeyF4, + EfiKeyF5, + EfiKeyF6, + EfiKeyF7, + EfiKeyF8, + EfiKeyF9, + EfiKeyF10, + EfiKeyF11, + EfiKeyF12, + EfiKeyPrint, + EfiKeySLck, + EfiKeyPause +} EFI_KEY; + +typedef struct { + EFI_KEY Key; + CHAR16 Unicode; + CHAR16 ShiftedUnicode; + CHAR16 AltGrUnicode; + CHAR16 ShiftedAltGrUnicode; + UINT16 Modifier; +} EFI_KEY_DESCRIPTOR; + +// +// This structure allows a sparse set of keys to be redefined +// or a complete redefinition of the keyboard layout. Most +// keyboards have a lot of commonality in their layouts, therefore +// only defining those keys that need to change from the default +// minimizes the passed in information. +// +// Additionally, when an update occurs, the active keyboard layout +// will be switched to the newly updated keyboard layout. This +// allows for situations that when a keyboard layout driver is +// loaded as part of system initialization, the system will default +// the keyboard behavior to the new layout. +// +// Each call to update the keyboard mapping should contain the +// complete set of key descriptors to be updated, since every +// call to the HII which contains an EFI_HII_KEYBOARD_PACK will +// wipe the previous set of overrides. A call to +// +typedef struct { + EFI_HII_PACK_HEADER Header; + EFI_KEY_DESCRIPTOR *Descriptor; + UINT8 DescriptorCount; +} EFI_HII_KEYBOARD_PACK; + +// +// The EFI_HII_PACKAGES can contain different types of packages just +// after the structure as inline data. +// +typedef struct { + UINTN NumberOfPackages; + EFI_GUID *GuidId; + // + // EFI_HII_HANDLE_PACK *HandlePack; // Only one pack. + // EFI_HII_IFR_PACK *IfrPack; // Only one pack. + // EFI_HII_FONT_PACK *FontPack[]; // Multiple packs ok + // EFI_HII_STRING_PACK *StringPack[]; // Multiple packs ok + // EFI_HII_KEYBOARD_PACK *KeyboardPack[]; // Multiple packs ok + // +} EFI_HII_PACKAGES; + +typedef struct _EFI_HII_VARIABLE_PACK_LIST { + struct _EFI_HII_VARIABLE_PACK_LIST *NextVariablePack; + EFI_HII_VARIABLE_PACK *VariablePack; +} EFI_HII_VARIABLE_PACK_LIST; + +#pragma pack() + +/** + Registers the various packs that are passed in via the Packages parameter. + + @param This A pointer to the EFI_HII_PROTOCOL instance. + @param Packages A pointer to an EFI_HII_PACKAGES package instance. + @param Handle A pointer to the EFI_HII_HANDLE instance. + + @retval EFI_SUCCESS Data was extracted from Packages, the database + was updated with the data, and Handle returned successfully. + @retval EFI_INVALID_PARAMETER The content of Packages was invalid. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_HII_NEW_PACK) ( + IN EFI_HII_PROTOCOL *This, + IN EFI_HII_PACKAGES *Packages, + OUT EFI_HII_HANDLE *Handle + ); + +/** + Removes a package from the HII database. + + @param This A pointer to the EFI_HII_PROTOCOL instance. + @param Handle The handle that was registered to the data that is requested + for removal. + + @retval EFI_SUCCESS The data associated with the Handle was removed + from the HII database. + @retval EFI_INVALID_PARAMETER The Handle was not valid. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_HII_REMOVE_PACK) ( + IN EFI_HII_PROTOCOL *This, + IN EFI_HII_HANDLE Handle + ); + +/** + Determines the handles that are currently active in the database. + + @param This A pointer to the EFI_HII_PROTOCOL instance. + @param HandleBufferLength On input, a pointer to the length of the handle + buffer. On output, the length of the handle buffer that is required + for the handles found. + @param Handle An array of EFI_HII_HANDLE instances returned. + + @retval EFI_SUCCESS Handle was updated successfully. + @retval EFI_BUFFER_TOO_SMALL The HandleBufferLength parameter indicates + that Handle is too small to support the number of handles. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_HII_FIND_HANDLES) ( + IN EFI_HII_PROTOCOL *This, + IN OUT UINT16 *HandleBufferLength, + OUT EFI_HII_HANDLE *Handle + ); + +/** + Exports the contents of the database into a buffer. + + @param This A pointer to the EFI_HII_PROTOCOL instance. + @param Handle An EFI_HII_HANDLE that corresponds to the desired + handle to export. If the value is 0, the entire database will be exported. + In either case, the data will be exported in a format described by the + structure definition of EFI_HII_EXPORT_TABLE. + @param BufferSize + On input, a pointer to the length of the buffer. On output, the length + of the buffer that is required for the export data. + @param Buffer A pointer to a buffer that will contain the results of the export function. + + @retval EFI_SUCCESS The buffer was successfully filled with BufferSize amount of data. + @retval EFI_BUFFER_TOO_SMALL The value in BufferSize was too small to contain the export data. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_HII_EXPORT) ( + IN EFI_HII_PROTOCOL *This, + IN EFI_HII_HANDLE Handle, + IN OUT UINTN *BufferSize, + OUT VOID *Buffer + ); + +/** + Remove any new strings that were added after the initial string export + for this handle. + + @param This A pointer to the EFI_HII_PROTOCOL instance. + @param Handle The handle on which the string resides. + + @retval EFI_SUCCESS Remove strings from the handle successfully. + @retval EFI_INVALID_PARAMETER The Handle was unknown. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_HII_RESET_STRINGS) ( + IN EFI_HII_PROTOCOL *This, + IN EFI_HII_HANDLE Handle + ); + +/** + Tests if all of the characters in a string have corresponding font characters. + + @param This A pointer to the EFI_HII_PROTOCOL instance. + @param StringToTest A pointer to a Unicode string. + @param FirstMissing A pointer to an index into the string. On input, + the index of the first character in the StringToTest to examine. On exit, + the index of the first character encountered for which a glyph is unavailable. + If all glyphs in the string are available, the index is the index of the + terminator of the string. + @param GlyphBufferSize A pointer to a value. On output, if the function + returns EFI_SUCCESS, it contains the amount of memory that is required to + store the string's glyph equivalent. + + @retval EFI_SUCCESS All glyphs are available. Note that an empty string + always returns this value. + @retval EFI_NOT_FOUND A glyph was not found for a character. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_HII_TEST_STRING) ( + IN EFI_HII_PROTOCOL *This, + IN CHAR16 *StringToTest, + IN OUT UINT32 *FirstMissing, + OUT UINT32 *GlyphBufferSize + ); + +/** + Translates a Unicode character into the corresponding font glyph. + + @param This A pointer to the EFI_HII_PROTOCOL instance. + @param Source A pointer to a Unicode string. + @param Index On input, the offset into the string from which to fetch + the character.On successful completion, the index is updated to the first + character past the character(s) making up the just extracted glyph. + @param GlyphBuffer Pointer to an array where the glyphs corresponding + to the characters in the source may be stored. GlyphBuffer is assumed + to be wide enough to accept a wide glyph character. + @param BitWidth If EFI_SUCCESS was returned, the UINT16 pointed to by + this value is filled with the length of the glyph in pixels. It is unchanged + if the call was unsuccessful. + @param InternalStatus The cell pointed to by this parameter must be + initialized to zero prior to invoking the call the first time for any string. + + @retval EFI_SUCCESS It worked. + @retval EFI_NOT_FOUND A glyph for a character was not found. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_HII_GET_GLYPH) ( + IN EFI_HII_PROTOCOL *This, + IN CHAR16 *Source, + IN OUT UINT16 *Index, + OUT UINT8 **GlyphBuffer, + OUT UINT16 *BitWidth, + IN OUT UINT32 *InternalStatus + ); + +/** + Translates a glyph into the format required for input to the Universal + Graphics Adapter (UGA) Block Transfer (BLT) routines. + + @param This A pointer to the EFI_HII_PROTOCOL instance. + @param GlyphBuffer A pointer to the buffer that contains glyph data. + @param Foreground The foreground setting requested to be used for the + generated BltBuffer data. + @param Background The background setting requested to be used for the + generated BltBuffer data. + @param Count The entry in the BltBuffer upon which to act. + @param Width The width in bits of the glyph being converted. + @param Height The height in bits of the glyph being converted + @param BltBuffer A pointer to the buffer that contains the data that is + ready to be used by the UGA BLT routines. + + @retval EFI_SUCCESS It worked. + @retval EFI_NOT_FOUND A glyph for a character was not found. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_HII_GLYPH_TO_BLT) ( + IN EFI_HII_PROTOCOL *This, + IN UINT8 *GlyphBuffer, + IN EFI_GRAPHICS_OUTPUT_BLT_PIXEL Foreground, + IN EFI_GRAPHICS_OUTPUT_BLT_PIXEL Background, + IN UINTN Count, + IN UINTN Width, + IN UINTN Height, + IN OUT EFI_GRAPHICS_OUTPUT_BLT_PIXEL *BltBuffer + ); + +/** + Allows a new string to be added to an already existing string package. + + @param This A pointer to the EFI_HII_PROTOCOL instance. + @param Pointer to a NULL-terminated string containing a single ISO 639-2 + language identifier, indicating the language in which the string is translated. + @param Handle The handle of the language pack to which the string is to be added. + @param Reference The identifier of the string to be added. If the reference + value is zero, then the string will be assigned a new identifier on that + handle for the language specified. Otherwise, the string will be updated + with the NewString Value. + @param NewString The string to be added. + + @retval EFI_SUCCESS The string was effectively registered. + @retval EFI_INVALID_PARAMETER The Handle was unknown. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_HII_NEW_STRING) ( + IN EFI_HII_PROTOCOL *This, + IN CHAR16 *Language, + IN EFI_HII_HANDLE Handle, + IN OUT STRING_REF *Reference, + IN CHAR16 *NewString + ); + +/** + Allows a program to determine the primary languages that are supported + on a given handle. + + @param This A pointer to the EFI_HII_PROTOCOL instance. + @param Handle The handle on which the strings reside. + @param LanguageString A string allocated by GetPrimaryLanguages() that + contains a list of all primary languages registered on the handle. + + @retval EFI_SUCCESS LanguageString was correctly returned. + @retval EFI_INVALID_PARAMETER The Handle was unknown. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_HII_GET_PRI_LANGUAGES) ( + IN EFI_HII_PROTOCOL *This, + IN EFI_HII_HANDLE Handle, + OUT EFI_STRING *LanguageString + ); + +/** + Allows a program to determine which secondary languages are supported + on a given handle for a given primary language. + + @param This A pointer to the EFI_HII_PROTOCOL instance. + @param Handle The handle on which the strings reside. + @param PrimaryLanguage Pointer to a NULL-terminated string containing a single + ISO 639-2 language identifier, indicating the primary language. + @param LanguageString A string allocated by GetSecondaryLanguages() + containing a list of all secondary languages registered on the handle. + + @retval EFI_SUCCESS LanguageString was correctly returned. + @retval EFI_INVALID_PARAMETER The Handle was unknown. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_HII_GET_SEC_LANGUAGES) ( + IN EFI_HII_PROTOCOL *This, + IN EFI_HII_HANDLE Handle, + IN CHAR16 *PrimaryLanguage, + OUT EFI_STRING *LanguageString + ); + +/** + Extracts a string from a package already registered with the EFI HII database. + + @param This A pointer to the EFI_HII_PROTOCOL instance. + @param Handle The handle on which the string resides. + @param Token The string token assigned to the string. + @param Raw If TRUE, the string is returned unedited in the internal + storage format described above. If false, the string returned is edited + by replacing with and by removing special characters such + as the prefix. + @param LanguageString Pointer to a NULL-terminated string containing a + single ISO 639-2 language identifier, indicating the language to print. + If the LanguageString is empty (starts with a NULL), the default system + language will be used to determine the language. + @param BufferLength Length of the StringBuffer. + @param StringBuffer The buffer designed to receive the characters in the string. + + @retval EFI_SUCCESS StringBuffer is filled with a NULL-terminated string. + @retval EFI_INVALID_PARAMETER The handle or string token is unknown. + @retval EFI_BUFFER_TOO_SMALL The buffer provided was not large enough to + allow the entire string to be stored. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_HII_GET_STRING) ( + IN EFI_HII_PROTOCOL *This, + IN EFI_HII_HANDLE Handle, + IN STRING_REF Token, + IN BOOLEAN Raw, + IN CHAR16 *LanguageString, + IN OUT UINTN *BufferLength, + OUT EFI_STRING StringBuffer + ); + +/** + Allows a program to extract a part of a string of not more than a given width. + + @param This A pointer to the EFI_HII_PROTOCOL instance. + @param Handle The handle on which the string resides. + @param Token The string token assigned to the string. + @param Index On input, the offset into the string where the line is to start. + On output, the index is updated to point to beyond the last character returned + in the call. + @param LineWidth The maximum width of the line in units of narrow glyphs. + @param LanguageString Pointer to a NULL-terminated string containing a + single ISO 639-2 language identifier, indicating the language to print. + @param BufferLength Pointer to the length of the StringBuffer. + @param StringBuffer The buffer designed to receive the characters in the string. + + @retval EFI_SUCCESS StringBuffer filled with characters that will fit on the line. + @retval EFI_NOT_FOUND The font glyph for at least one of the characters in + the string is not in the font database. + @retval EFI_BUFFER_TOO_SMALL The buffer provided was not large enough + to allow the entire string to be stored. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_HII_GET_LINE) ( + IN EFI_HII_PROTOCOL *This, + IN EFI_HII_HANDLE Handle, + IN STRING_REF Token, + IN OUT UINT16 *Index, + IN UINT16 LineWidth, + IN CHAR16 *LanguageString, + IN OUT UINT16 *BufferLength, + OUT EFI_STRING StringBuffer + ); + +/** + Allows a program to extract a form or form package that has previously + been registered with the HII database. + + @param This A pointer to the EFI_HII_PROTOCOL instance. + @param Handle Handle on which the form resides. + @param FormId The ID of the form to return. If the ID is zero, + the entire form package is returned. + @param BufferLength On input, the length of the Buffer. On output, + the length of the returned buffer, + @param Buffer The buffer designed to receive the form(s). + + @retval EFI_SUCCESS Buffer filled with the requested forms. BufferLength + was updated. + @retval EFI_INVALID_PARAMETER The handle is unknown. + @retval EFI_NOT_FOUND A form on the requested handle cannot be found with + the requested FormId. + @retval EFI_BUFFER_TOO_SMALL The buffer provided was not large enough + to allow the form to be stored. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_HII_GET_FORMS) ( + IN EFI_HII_PROTOCOL *This, + IN EFI_HII_HANDLE Handle, + IN EFI_FORM_ID FormId, + IN OUT UINTN *BufferLength, + OUT UINT8 *Buffer + ); + +/** + Extracts the defaults that are associated with a given handle in the HII database. + + @param This A pointer to the EFI_HII_PROTOCOL instance. + @param Handle The HII handle from which will have default data retrieved. + @param DefaultMask The mask used to specify some type of default override when extracting + the default image data. + @param VariablePackList A indirect pointer to the first entry of a link list with + type EFI_HII_VARIABLE_PACK_LIST. + + @retval EFI_SUCCESS The VariablePackList was populated with the appropriate + default setting data. + @retval EFI_NOT_FOUND The IFR does not have any explicit or default map(s). + @retval EFI_INVALID_PARAMETER The HII database entry associated with Handle + contain invalid data. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_HII_GET_DEFAULT_IMAGE) ( + IN EFI_HII_PROTOCOL *This, + IN EFI_HII_HANDLE Handle, + IN UINTN DefaultMask, + OUT EFI_HII_VARIABLE_PACK_LIST **VariablePackList + ); + +/** + Allows the caller to update a form or form package that has previously been + registered with the EFI HII database. + + @param This A pointer to the EFI_HII_PROTOCOL instance. + @param Handle Handle of the package where the form to be updated resides. + @param Label The label inside the form package where the update is to take place. + @param AddData If TRUE, adding data at a given Label; otherwise, + if FALSE, removing data at a given Label. + @param Data The buffer containing the new tags to insert after the Label + + @retval EFI_SUCCESS The form was updated with the new tags. + @retval EFI_INVALID_PARAMETER The buffer for the buffer length does not + contain an integral number of tags. + @retval EFI_NOT_FOUND The Handle, Label, or FormId was not found. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_HII_UPDATE_FORM) ( + IN EFI_HII_PROTOCOL *This, + IN EFI_HII_HANDLE Handle, + IN EFI_FORM_LABEL Label, + IN BOOLEAN AddData, + IN EFI_HII_UPDATE_DATA *Data + ); + +/** + Retrieves the current keyboard layout. + + @param This A pointer to the EFI_HII_PROTOCOL instance. + @param DescriptorCount A pointer to the number of Descriptor entries being + described in the keyboard layout being retrieved. + @param Descriptor A pointer to a buffer containing an array of EFI_KEY_DESCRIPTOR + entries. Each entry will reflect the definition of a specific physical key. + + @retval EFI_SUCCESS The keyboard layout was retrieved successfully. + +**/ +typedef +EFI_STATUS +(EFIAPI *EFI_HII_GET_KEYBOARD_LAYOUT) ( + IN EFI_HII_PROTOCOL *This, + OUT UINT16 *DescriptorCount, + OUT EFI_KEY_DESCRIPTOR *Descriptor + ); + +/** + @par Protocol Description: + The HII Protocol manages the HII database, which is a repository for data + having to do with fonts, strings, forms, keyboards, and other future human + interface items. + + @param NewPack + Extracts the various packs from a package list. + + @param RemovePack + Removes a package from the HII database. + + @param FindHandles + Determines the handles that are currently active in the database. + + @param ExportDatabase + Export the entire contents of the database to a buffer. + + @param TestString + Tests if all of the characters in a string have corresponding font characters. + + @param GetGlyph + Translates a Unicode character into the corresponding font glyph. + + @param GlyphToBlt + Converts a glyph value into a format that is ready for a UGA BLT command. + + @param NewString + Allows a new string to be added to an already existing string package. + + @param GetPrimaryLanguages + Allows a program to determine the primary languages that are supported + on a given handle. + + @param GetSecondaryLanguages + Allows a program to determine which secondary languages are supported + on a given handle for a given primary language. + + @param GetString + Extracts a string from a package that is already registered with the + EFI HII database. + + @param ResetString + Remove any new strings that were added after the initial string export + for this handle. + + @param GetLine + Allows a program to extract a part of a string of not more than a given width. + + @param GetForms + Allows a program to extract a form or form package that has been previously registered. + + @param GetDefaultImage + Allows a program to extract the nonvolatile image that represents the default storage image. + + @param UpdateForm + Allows a program to update a previously registered form. + + @param GetKeyboardLayout + Allows a program to extract the current keyboard layout. + +**/ +struct _EFI_HII_PROTOCOL { + EFI_HII_NEW_PACK NewPack; + EFI_HII_REMOVE_PACK RemovePack; + EFI_HII_FIND_HANDLES FindHandles; + EFI_HII_EXPORT ExportDatabase; + + EFI_HII_TEST_STRING TestString; + EFI_HII_GET_GLYPH GetGlyph; + EFI_HII_GLYPH_TO_BLT GlyphToBlt; + + EFI_HII_NEW_STRING NewString; + EFI_HII_GET_PRI_LANGUAGES GetPrimaryLanguages; + EFI_HII_GET_SEC_LANGUAGES GetSecondaryLanguages; + EFI_HII_GET_STRING GetString; + EFI_HII_RESET_STRINGS ResetStrings; + EFI_HII_GET_LINE GetLine; + EFI_HII_GET_FORMS GetForms; + EFI_HII_GET_DEFAULT_IMAGE GetDefaultImage; + EFI_HII_UPDATE_FORM UpdateForm; + + EFI_HII_GET_KEYBOARD_LAYOUT GetKeyboardLayout; +}; + +extern EFI_GUID gEfiHiiProtocolGuid; + +#endif