1 /** @file 2 This file defines the Human Interface Infrastructure protocol, which is 3 used by resources that want to publish IFR/Font/String data and have it 4 collected by the Configuration engine. 5 6 Copyright (c) 2007 - 2010, Intel Corporation. All rights reserved.<BR> 7 This program and the accompanying materials are licensed and made available under 8 the terms and conditions of the BSD License that accompanies this distribution. 9 The full text of the license may be found at 10 http://opensource.org/licenses/bsd-license.php. 11 12 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, 13 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. 14 15 @par Revision Reference: 16 This protocol is defined in Framework for EFI Human Interface Infrastructure 17 Specification Version 0.92. 18 19 **/ 20 21 #ifndef _FRAMEWORK_HII_H_ 22 #define _FRAMEWORK_HII_H_ 23 24 // 25 // EFI_GRAPHICS_OUTPUT_BLT_PIXEL is defined in MdePkg/Protocol/GraphicsOutput.h 26 // 27 #include <Protocol/GraphicsOutput.h> 28 /// 29 /// In both EDK and EDK II, there is an incompatbile change in the Framework HII protocol. 30 /// This change should cause a change of GUID in both of code and HII specification. But we 31 /// updated the GUID in code in EDK and EDK II. The 0.92 specification is not updated. This 32 /// is a known issue. 33 /// 34 /// 35 /// Note that EFI_HII_PROTOCOL_GUID is different from that defined in the Framework HII 36 /// 0.92 specification because the specification changed part of HII interfaces but did not update the protocol 37 /// GUID. 38 /// 39 #define EFI_HII_PROTOCOL_GUID \ 40 { \ 41 0xd7ad636e, 0xb997, 0x459b, {0xbf, 0x3f, 0x88, 0x46, 0x89, 0x79, 0x80, 0xe1} \ 42 } 43 44 #define EFI_HII_COMPATIBILITY_PROTOCOL_GUID \ 45 { \ 46 0x5542cce1, 0xdf5c, 0x4d1b, { 0xab, 0xca, 0x36, 0x4f, 0x77, 0xd3, 0x99, 0xfb } \ 47 } 48 49 typedef UINT32 RELOFST; 50 51 typedef struct _EFI_HII_PROTOCOL EFI_HII_PROTOCOL; 52 53 /// 54 /// Note: Name difference between code and the Framework HII 0.92 specificaiton. 55 /// Add FRAMEWORK_ prefix to avoid a name confict with EFI_HII_HANDLE, defined in the 56 /// UEFI 2.1d specification. 57 /// 58 typedef UINT16 FRAMEWORK_EFI_HII_HANDLE; 59 60 /// 61 /// HII package type values 62 /// 63 #define EFI_HII_FONT 1 64 #define EFI_HII_STRING 2 65 #define EFI_HII_IFR 3 66 #define EFI_HII_KEYBOARD 4 67 #define EFI_HII_HANDLES 5 68 #define EFI_HII_VARIABLE 6 69 #define EFI_HII_DEVICE_PATH 7 70 71 // 72 // References to string tokens must use this macro to enable scanning for 73 // token usages. 74 // 75 #define STRING_TOKEN(t) t 76 77 // 78 // The following types are currently defined: 79 // EFI_FORM_ID has been defined in UEFI spec. 80 // 81 typedef UINT16 EFI_FORM_LABEL; 82 83 #pragma pack(1) 84 85 /// 86 /// The header found at the start of each package. 87 /// 88 typedef struct { 89 UINT32 Length; ///< The size of the package in bytes. 90 UINT16 Type; ///< The type of the package. 91 } EFI_HII_PACK_HEADER; 92 93 /// 94 /// The IFR package structure. 95 /// Immediately following the EFI_HII_IFR_PACK structure will be a series of IFR opcodes. 96 /// 97 typedef struct { 98 EFI_HII_PACK_HEADER Header; ///< Header of the IFR package. 99 } EFI_HII_IFR_PACK; 100 101 /// 102 /// HII Handle package structure. 103 /// 104 typedef struct { 105 /// 106 /// Header of the package. 107 /// 108 EFI_HII_PACK_HEADER Header; ///< Must be filled in. 109 /// 110 /// The image handle of the driver to which the package is referring. 111 /// 112 EFI_HANDLE ImageHandle; ///< Must be filled in. 113 /// 114 /// The handle of the device that is being described by this package. 115 /// 116 EFI_HANDLE DeviceHandle; ///< Optional. 117 /// 118 /// The handle of the parent of the device that is being described by this package. 119 /// 120 EFI_HANDLE ControllerHandle; ///< Optional. 121 /// 122 /// The handle that was registered to receive EFI_FORM_CALLBACK_PROTOCOL calls from other drivers. 123 /// 124 EFI_HANDLE CallbackHandle; ///< Optional. 125 /// 126 /// Note this field is not defined in the Framework HII 0.92 specificaiton. 127 /// Unused. Reserved for source code compatibility. 128 /// 129 EFI_HANDLE COBExportHandle; ///< Optional. 130 } EFI_HII_HANDLE_PACK; 131 132 /// 133 /// The variable package structure. 134 /// 135 typedef struct { 136 /// 137 /// The header of the package. 138 /// 139 EFI_HII_PACK_HEADER Header; 140 /// 141 /// The GUID of the EFI variable. 142 /// 143 EFI_GUID VariableGuid; 144 /// 145 /// The length in bytes of the EFI variable. 146 /// 147 UINT32 VariableNameLength; 148 /// 149 /// The unique value for this variable. 150 /// 151 UINT16 VariableId; 152 // 153 // CHAR16 VariableName[]; //Null-terminated 154 // 155 } EFI_HII_VARIABLE_PACK; 156 157 /// 158 /// The device path package structure. 159 /// 160 typedef struct { 161 /// 162 /// The header of the package. 163 /// 164 EFI_HII_PACK_HEADER Header; 165 // 166 // EFI_DEVICE_PATH DevicePath[]; 167 // 168 } EFI_HII_DEVICE_PATH_PACK; 169 170 typedef struct { 171 /// 172 /// A unique value that correlates to the original HII handle. 173 /// 174 FRAMEWORK_EFI_HII_HANDLE HiiHandle; 175 /// 176 /// If an IFR pack exists in a data table that does not contain strings, 177 /// then the strings for that IFR pack are located in another data table 178 /// that contains a string pack and has a matching HiiDataTable.PackageGuid. 179 /// 180 EFI_GUID PackageGuid; 181 /// 182 /// The size of the EFI_HII_DATA_TABLE in bytes. 183 /// 184 UINT32 DataTableSize; 185 /// 186 /// The byte offset from the start of this structure to the IFR data. 187 /// If the offset value is 0, then no IFR data is enclosed. 188 /// 189 UINT32 IfrDataOffset; 190 /// 191 /// The byte offset from the start of this structure to the string data. 192 /// If the offset value is 0, then no string data is enclosed. 193 /// 194 UINT32 StringDataOffset; 195 /// 196 /// The byte offset from the start of this structure to the variable data. 197 /// If the offset value is 0, then no variable data is enclosed. 198 /// 199 UINT32 VariableDataOffset; 200 /// 201 /// The byte offset from the start of this structure to the device path data. 202 /// If the offset value is 0, then no DevicePath data is enclosed. 203 /// 204 UINT32 DevicePathOffset; 205 /// 206 /// The number of VariableData[] elements in the array. 207 /// 208 UINT32 NumberOfVariableData; 209 /// 210 /// The number of language string packages. 211 /// 212 UINT32 NumberOfLanguages; 213 // 214 // EFI_HII_DEVICE_PATH_PACK DevicePath[]; 215 // EFI_HII_VARIABLE_PACK VariableData[]; 216 // EFI_HII_IFR_PACK IfrData; 217 // EFI_HII_STRING_PACK StringData[]; 218 // 219 } EFI_HII_DATA_TABLE; 220 221 /// 222 /// The structure defining the format for exporting data from the HII Database. 223 /// 224 typedef struct { 225 /// 226 /// Number of EFI_HII_DATA_TABLE entries. 227 /// 228 UINT32 NumberOfHiiDataTables; 229 /// 230 /// Defines the revision of the EFI_HII_DATA_TABLE structure. 231 /// 232 EFI_GUID Revision; 233 // 234 // EFI_HII_DATA_TABLE HiiDataTable[]; 235 // 236 } EFI_HII_EXPORT_TABLE; 237 238 /// 239 /// The structure used to pass data to update a form or form package 240 /// that has previously been registered with the EFI HII database. 241 /// 242 typedef struct { 243 /// 244 /// If TRUE, indicates that the FormCallbackHandle value will 245 /// be used to update the contents of the CallBackHandle entry in the form set. 246 /// 247 BOOLEAN FormSetUpdate; 248 /// 249 /// This parameter is valid only when FormSetUpdate is TRUE. 250 /// The value in this parameter will be used to update the contents 251 /// of the CallbackHandle entry in the form set. 252 /// 253 EFI_PHYSICAL_ADDRESS FormCallbackHandle; 254 /// 255 /// If TRUE, indicates that the FormTitle contents will be 256 /// used to update the FormValue's title. 257 /// 258 BOOLEAN FormUpdate; 259 /// 260 /// Specifies which form is to be updated if the FormUpdate value is TRUE. 261 /// 262 UINT16 FormValue; 263 /// 264 /// This parameter is valid only when the FormUpdate parameter is TRUE. 265 /// The value in this parameter will be used to update the contents of the form title. 266 /// 267 STRING_REF FormTitle; 268 /// 269 /// The number of Data entries in this structure. 270 UINT16 DataCount; 271 /// 272 /// An array of 1+ opcodes, specified by DataCount. 273 /// 274 UINT8 *Data; 275 } EFI_HII_UPDATE_DATA; 276 277 // 278 // String attributes 279 // 280 #define LANG_RIGHT_TO_LEFT 0x00000001 281 282 /// 283 /// A string package is used to localize strings to a particular 284 /// language. The package is associated with a particular driver 285 /// or set of drivers. Tools are used to associate tokens with 286 /// string references in forms and in programs. These tokens are 287 /// language agnostic. When paired with a language pack (directly 288 /// or indirectly), the string token resolves into an actual 289 /// UNICODE string. NumStringPointers determines how many 290 /// StringPointers (offset values) there are, as well as the total 291 /// number of Strings that are defined. 292 /// 293 typedef struct { 294 /// 295 /// The header of the package. 296 /// 297 EFI_HII_PACK_HEADER Header; 298 /// 299 /// The string containing one or more ISO 639-2 three-character designator(s) 300 /// of the language or languages whose translations are contained in this language pack. 301 /// The first designator indicates the primary language, while the others are secondary languages. 302 /// 303 RELOFST LanguageNameString; 304 /// 305 /// Contains the offset into this structure of a printable name of the language 306 /// for use when prompting the user. The language printed is to be the primary language. 307 /// 308 RELOFST PrintableLanguageName; 309 /// 310 /// The number of Strings and StringPointers contained within the string package. 311 /// 312 UINT32 NumStringPointers; 313 /// 314 /// Indicates the direction the language is to be printed. 315 /// 316 UINT32 Attributes; 317 // 318 // RELOFST StringPointers[]; 319 // EFI_STRING Strings[]; 320 // 321 } EFI_HII_STRING_PACK; 322 323 324 /// 325 /// A font list consists of a font header followed by a series 326 /// of glyph structures. Note that fonts are not language specific. 327 /// 328 typedef struct { 329 /// 330 /// The header of the package. 331 /// 332 EFI_HII_PACK_HEADER Header; 333 /// 334 /// The number of NarrowGlyphs that are included in the font package. 335 /// 336 UINT16 NumberOfNarrowGlyphs; 337 /// 338 /// The number of WideGlyphs that are included in the font package. 339 /// 340 UINT16 NumberOfWideGlyphs; 341 //EFI_NARROW_GLYPH NarrowGlyphs[]; 342 //EFI_WIDE_GLYPH WideGlyphs[]; 343 } EFI_HII_FONT_PACK; 344 345 /// 346 /// The definition of a specific physical key 347 /// 348 /// Note: The name difference between code and the Framework HII 0.92 specification. 349 /// Add FRAMEWORK_ prefix to avoid name confict with EFI_KEY_DESCRIPTOR defined in the 350 /// UEFI 2.1d specification. 351 /// 352 typedef struct { 353 /// 354 /// Used to describe a physical key on a keyboard. 355 /// 356 EFI_KEY Key; 357 /// 358 /// The Unicode value for the Key. 359 CHAR16 Unicode; 360 /// 361 /// The Unicode value for the key with the shift key being held down. 362 /// 363 CHAR16 ShiftedUnicode; 364 /// 365 /// The Unicode value for the key with the Alt-GR being held down. 366 /// 367 CHAR16 AltGrUnicode; 368 /// 369 /// The Unicode value for the key with the Alt-GR and shift keys being held down. 370 /// 371 CHAR16 ShiftedAltGrUnicode; 372 /// 373 /// Modifier keys are defined to allow for special functionality that 374 /// is not necessarily accomplished by a printable character. 375 /// 376 UINT16 Modifier; 377 } FRAMEWORK_EFI_KEY_DESCRIPTOR; 378 379 /// 380 /// This structure allows a sparse set of keys to be redefined 381 /// or a complete redefinition of the keyboard layout. Most 382 /// keyboards have a lot of commonality in their layouts, therefore 383 /// only defining those keys that need to change from the default 384 /// minimizes the passed in information. 385 /// 386 /// Additionally, when an update occurs, the active keyboard layout 387 /// will be switched to the newly updated keyboard layout. This 388 /// allows for situations that when a keyboard layout driver is 389 /// loaded as part of system initialization, the system will default 390 /// the keyboard behavior to the new layout. 391 /// 392 typedef struct { 393 /// 394 /// The header of the package. 395 EFI_HII_PACK_HEADER Header; 396 /// 397 /// A pointer to a buffer containing an array of EFI_KEY_DESCRIPTOR entries. 398 /// Each entry will reflect the definition of a specific physical key. 399 /// 400 FRAMEWORK_EFI_KEY_DESCRIPTOR *Descriptor; 401 /// 402 /// The number of Descriptor entries being described. 403 /// 404 UINT8 DescriptorCount; 405 } EFI_HII_KEYBOARD_PACK; 406 407 /// 408 /// The packages structure that will be used to pass contents into the HII database. 409 /// 410 /// The EFI_HII_PACKAGES can contain various number of packages of different types just 411 /// after the structure as inline data. 412 /// 413 typedef struct { 414 /// 415 /// The number of packages being defined in this structure. 416 /// 417 UINTN NumberOfPackages; 418 /// 419 /// The GUID to be used to identify this set of packages that are being exported 420 /// to the HII database. 421 /// 422 EFI_GUID *GuidId; 423 // 424 // EFI_HII_HANDLE_PACK *HandlePack; // Only one pack. 425 // EFI_HII_IFR_PACK *IfrPack; // Only one pack. 426 // EFI_HII_FONT_PACK *FontPack[]; // Multiple packs ok 427 // EFI_HII_STRING_PACK *StringPack[]; // Multiple packs ok 428 // EFI_HII_KEYBOARD_PACK *KeyboardPack[]; // Multiple packs ok 429 // 430 } EFI_HII_PACKAGES; 431 432 /// 433 /// The packed link list that contains all the discernable defaults of variables 434 /// for the opcodes that are defined in this Handle's domain of data. 435 /// 436 typedef struct _EFI_HII_VARIABLE_PACK_LIST { 437 /// 438 /// A pointer points to the next data structure of type 439 /// EFI_HII_VARIABLE_PACK_LIST in the packed link list. 440 /// 441 struct _EFI_HII_VARIABLE_PACK_LIST *NextVariablePack; 442 /// 443 /// A pointer points to the content of the variable entry defined by GUID/name/data. 444 /// 445 EFI_HII_VARIABLE_PACK *VariablePack; 446 //EFI_HII_VARIABLE_PACK Content 447 } EFI_HII_VARIABLE_PACK_LIST; 448 449 450 #pragma pack() 451 452 /** 453 Registers the various packs that are passed in via the Packages parameter. 454 455 @param This A pointer to the EFI_HII_PROTOCOL instance. 456 @param Packages A pointer to an EFI_HII_PACKAGES package instance. 457 @param Handle A pointer to the FRAMEWORK_EFI_HII_HANDLE instance. 458 459 @retval EFI_SUCCESS Data was extracted from Packages, the database 460 was updated with the data, and Handle returned successfully. 461 @retval EFI_INVALID_PARAMETER The content of Packages was invalid. 462 463 **/ 464 typedef 465 EFI_STATUS 466 (EFIAPI *EFI_HII_NEW_PACK)( 467 IN EFI_HII_PROTOCOL *This, 468 IN EFI_HII_PACKAGES *Packages, 469 OUT FRAMEWORK_EFI_HII_HANDLE *Handle 470 ); 471 472 /** 473 Removes a package from the HII database. 474 475 @param This A pointer to the EFI_HII_PROTOCOL instance. 476 @param Handle The handle that was registered to the data that 477 is requested for removal. 478 479 @retval EFI_SUCCESS The data associated with the Handle was removed 480 from the HII database. 481 @retval EFI_INVALID_PARAMETER The Handle was not valid. 482 483 **/ 484 typedef 485 EFI_STATUS 486 (EFIAPI *EFI_HII_REMOVE_PACK)( 487 IN EFI_HII_PROTOCOL *This, 488 IN FRAMEWORK_EFI_HII_HANDLE Handle 489 ); 490 491 /** 492 Determines the handles that are currently active in the database. 493 494 @param This A pointer to the EFI_HII_PROTOCOL instance. 495 @param HandleBufferLength On input, a pointer to the length of the handle 496 buffer. On output, the length of the handle buffer that is required 497 for the handles found. 498 @param Handle An array of FRAMEWORK_EFI_HII_HANDLE instances returned. 499 500 @retval EFI_SUCCESS Handle was updated successfully. 501 @retval EFI_BUFFER_TOO_SMALL The HandleBufferLength parameter indicates 502 that Handle is too small to support the number of handles. 503 504 **/ 505 typedef 506 EFI_STATUS 507 (EFIAPI *EFI_HII_FIND_HANDLES)( 508 IN EFI_HII_PROTOCOL *This, 509 IN OUT UINT16 *HandleBufferLength, 510 OUT FRAMEWORK_EFI_HII_HANDLE *Handle 511 ); 512 513 /** 514 Exports the contents of the database into a buffer. 515 516 @param This A pointer to the EFI_HII_PROTOCOL instance. 517 @param Handle A FRAMEWORK_EFI_HII_HANDLE that corresponds to the desired 518 handle to export. If the value is 0, the entire database will be exported. 519 The data is exported in a format described by the 520 structure definition of EFI_HII_EXPORT_TABLE. 521 @param BufferSize 522 On input, a pointer to the length of the buffer. On output, the length 523 of the buffer that is required for the export data. 524 @param Buffer A pointer to a buffer that will contain the results of the export function. 525 526 @retval EFI_SUCCESS The buffer was successfully filled with BufferSize amount of data. 527 @retval EFI_BUFFER_TOO_SMALL The value in BufferSize was too small to contain the export data. 528 529 **/ 530 typedef 531 EFI_STATUS 532 (EFIAPI *EFI_HII_EXPORT)( 533 IN EFI_HII_PROTOCOL *This, 534 IN FRAMEWORK_EFI_HII_HANDLE Handle, 535 IN OUT UINTN *BufferSize, 536 OUT VOID *Buffer 537 ); 538 539 /** 540 Remove any new strings that were added after the initial string export 541 for this handle. 542 543 @param This A pointer to the EFI_HII_PROTOCOL instance. 544 @param Handle The handle on which the string resides. 545 546 @retval EFI_SUCCESS Successfully removed strings from the handle. 547 @retval EFI_INVALID_PARAMETER The Handle was unknown. 548 549 **/ 550 typedef 551 EFI_STATUS 552 (EFIAPI *EFI_HII_RESET_STRINGS)( 553 IN EFI_HII_PROTOCOL *This, 554 IN FRAMEWORK_EFI_HII_HANDLE Handle 555 ); 556 557 /** 558 Tests if all of the characters in a string have corresponding font characters. 559 560 @param This A pointer to the EFI_HII_PROTOCOL instance. 561 @param StringToTest A pointer to a Unicode string. 562 @param FirstMissing A pointer to an index into the string. On input, 563 the index of the first character in the StringToTest 564 to examine. On exit, the index of the first character 565 encountered for which a glyph is unavailable. 566 If all glyphs in the string are available, the 567 index is the index of the terminator of the string. 568 @param GlyphBufferSize A pointer to a value. On output, if the function 569 returns EFI_SUCCESS, it contains the amount of 570 memory that is required to store the string's 571 glyph equivalent. 572 573 @retval EFI_SUCCESS All glyphs are available. Note that an empty string 574 always returns this value. 575 @retval EFI_NOT_FOUND A glyph was not found for a character. 576 577 **/ 578 typedef 579 EFI_STATUS 580 (EFIAPI *EFI_HII_TEST_STRING)( 581 IN EFI_HII_PROTOCOL *This, 582 IN CHAR16 *StringToTest, 583 IN OUT UINT32 *FirstMissing, 584 OUT UINT32 *GlyphBufferSize 585 ); 586 587 /** 588 Translates a Unicode character into the corresponding font glyph. 589 590 Note that this function prototype name is different from that in the Framework HII 0.92 specification 591 to avoid name confict with EFI_HII_GET_GLYPH defined in the UEFI 2.1d specification. 592 593 @param This A pointer to the EFI_HII_PROTOCOL instance. 594 @param Source A pointer to a Unicode string. 595 @param Index On input, the offset into the string from which to 596 fetch the character. On successful completion, the 597 index is updated to the first character past the 598 character(s) making up the just extracted glyph. 599 @param GlyphBuffer Pointer to an array where the glyphs corresponding 600 to the characters in the source may be stored. 601 GlyphBuffer is assumed to be wide enough to accept 602 a wide glyph character. 603 @param BitWidth If EFI_SUCCESS was returned, the UINT16 pointed to by 604 this value is filled with the length of the glyph in 605 pixels. It is unchanged if the call was unsuccessful. 606 @param InternalStatus The cell pointed to by this parameter must be 607 initialized to zero prior to invoking the call the 608 first time for any string. 609 610 @retval EFI_SUCCESS Found the corresponding font glyph for a Unicode 611 character. 612 @retval EFI_NOT_FOUND A glyph for a character was not found. 613 614 **/ 615 typedef 616 EFI_STATUS 617 (EFIAPI *FRAMEWORK_EFI_HII_GET_GLYPH)( 618 IN EFI_HII_PROTOCOL *This, 619 IN CHAR16 *Source, 620 IN OUT UINT16 *Index, 621 OUT UINT8 **GlyphBuffer, 622 OUT UINT16 *BitWidth, 623 IN OUT UINT32 *InternalStatus 624 ); 625 626 /** 627 Translates a glyph into the format required for input to the Universal 628 Graphics Adapter (UGA) Block Transfer (BLT) routines. 629 630 @param This A pointer to the EFI_HII_PROTOCOL instance. 631 @param GlyphBuffer A pointer to the buffer that contains glyph data. 632 @param Foreground The foreground setting requested to be used for the 633 generated BltBuffer data. 634 @param Background The background setting requested to be used for the 635 generated BltBuffer data. 636 @param Count The entry in the BltBuffer upon which to act. 637 @param Width The width in bits of the glyph being converted. 638 @param Height The height in bits of the glyph being converted 639 @param BltBuffer A pointer to the buffer that contains the data that is 640 ready to be used by the UGA BLT routines. 641 642 @retval EFI_SUCCESS Successfully translated a glyph into the required 643 format for input to UGA BLT routines. 644 @retval EFI_NOT_FOUND A glyph for a character was not found. 645 @note Inconsistent with specification here: 646 In Framework Spec, HII specification 0.92. The type of 3rd, 4th and 8th parameter is EFI_UGA_PIXEL. 647 Here the definition uses the EFI_GRAPHICS_OUTPUT_BLT_PIXEL, which is defined in UEFI 2.1 specification. 648 **/ 649 typedef 650 EFI_STATUS 651 (EFIAPI *EFI_HII_GLYPH_TO_BLT)( 652 IN EFI_HII_PROTOCOL *This, 653 IN UINT8 *GlyphBuffer, 654 IN EFI_GRAPHICS_OUTPUT_BLT_PIXEL Foreground, 655 IN EFI_GRAPHICS_OUTPUT_BLT_PIXEL Background, 656 IN UINTN Count, 657 IN UINTN Width, 658 IN UINTN Height, 659 IN OUT EFI_GRAPHICS_OUTPUT_BLT_PIXEL *BltBuffer 660 ); 661 662 /** 663 Allows a new string to be added to an already existing string package. 664 665 Note that this function prototype name is different from that in the Framework HII 0.92 specification 666 to avoid name confict with EFI_HII_NEW_STRING defined in the UEFI 2.1d specification. 667 668 @param This A pointer to the EFI_HII_PROTOCOL instance. 669 @param Pointer to a NULL-terminated string containing a single 670 ISO 639-2 language identifier, indicating the language 671 in which the string is translated. 672 @param Handle The handle of the language pack to which the string 673 is to be added. 674 @param Reference The identifier of the string to be added. If the 675 reference value is zero, then the string will be 676 assigned a new identifier on that handle for 677 the language specified. Otherwise, the string will 678 be updated with the NewString Value. 679 @param NewString The string to be added. 680 681 @retval EFI_SUCCESS The string was effectively registered. 682 @retval EFI_INVALID_PARAMETER The Handle was unknown. 683 684 **/ 685 typedef 686 EFI_STATUS 687 (EFIAPI *FRAMEWORK_EFI_HII_NEW_STRING)( 688 IN EFI_HII_PROTOCOL *This, 689 IN CHAR16 *Language, 690 IN FRAMEWORK_EFI_HII_HANDLE Handle, 691 IN OUT STRING_REF *Reference, 692 IN CHAR16 *NewString 693 ); 694 695 /** 696 Allows a program to determine the primary languages that are supported 697 on a given handle. 698 699 @param This A pointer to the EFI_HII_PROTOCOL instance. 700 @param Handle The handle on which the strings reside. 701 @param LanguageString A string allocated by GetPrimaryLanguages() that 702 contains a list of all primary languages registered 703 on the handle. 704 705 @retval EFI_SUCCESS LanguageString was correctly returned. 706 @retval EFI_INVALID_PARAMETER The Handle was unknown. 707 708 **/ 709 typedef 710 EFI_STATUS 711 (EFIAPI *EFI_HII_GET_PRI_LANGUAGES)( 712 IN EFI_HII_PROTOCOL *This, 713 IN FRAMEWORK_EFI_HII_HANDLE Handle, 714 OUT EFI_STRING *LanguageString 715 ); 716 717 /** 718 Allows a program to determine which secondary languages are supported 719 on a given handle for a given primary language. 720 721 @param This A pointer to the EFI_HII_PROTOCOL instance. 722 @param Handle The handle on which the strings reside. 723 @param PrimaryLanguage Pointer to a NULL-terminated string containing a 724 single ISO 639-2 language identifier, indicating 725 the primary language. 726 @param LanguageString A string allocated by GetSecondaryLanguages() 727 containing a list of all secondary languages 728 registered on the handle. 729 730 @retval EFI_SUCCESS LanguageString was correctly returned. 731 @retval EFI_INVALID_PARAMETER The Handle was unknown. 732 733 **/ 734 typedef 735 EFI_STATUS 736 (EFIAPI *EFI_HII_GET_SEC_LANGUAGES)( 737 IN EFI_HII_PROTOCOL *This, 738 IN FRAMEWORK_EFI_HII_HANDLE Handle, 739 IN CHAR16 *PrimaryLanguage, 740 OUT EFI_STRING *LanguageString 741 ); 742 743 /** 744 Extracts a string from a package already registered with the EFI HII database. 745 746 Note that this function prototype name is different from that in the Framework HII 0.92 specification 747 to avoid name confict with EFI_HII_GET_STRING defined in the UEFI 2.1d specification. 748 749 @param This A pointer to the EFI_HII_PROTOCOL instance. 750 @param Handle The handle on which the string resides. 751 @param Token The string token assigned to the string. 752 @param Raw If TRUE, the string is returned unedited in the 753 internal storage format. If false, the string 754 returned is edited by replacing <cr> with <space> 755 and by removing special characters such as the 756 <wide> prefix. 757 @param LanguageString Pointer to a NULL-terminated string containing a 758 single ISO 639-2 language identifier, indicating 759 the language to print. If the LanguageString is 760 empty (starts with a NULL), the default system 761 language will be used to determine the language. 762 @param BufferLength Length of the StringBuffer. 763 @param StringBuffer The buffer designed to receive the characters in the string. 764 765 @retval EFI_SUCCESS StringBuffer is filled with a NULL-terminated string. 766 @retval EFI_INVALID_PARAMETER The handle or string token is unknown. 767 @retval EFI_BUFFER_TOO_SMALL The buffer provided was not large enough to 768 allow the entire string to be stored. 769 770 **/ 771 typedef 772 EFI_STATUS 773 (EFIAPI *FRAMEWORK_EFI_HII_GET_STRING)( 774 IN EFI_HII_PROTOCOL *This, 775 IN FRAMEWORK_EFI_HII_HANDLE Handle, 776 IN STRING_REF Token, 777 IN BOOLEAN Raw, 778 IN CHAR16 *LanguageString, 779 IN OUT UINTN *BufferLength, 780 OUT EFI_STRING StringBuffer 781 ); 782 783 /** 784 Allows a program to extract a part of a string of not more than a given width. 785 786 @param This A pointer to the EFI_HII_PROTOCOL instance. 787 @param Handle The handle on which the string resides. 788 @param Token The string token assigned to the string. 789 @param Index On input, the offset into the string where the 790 line is to start. On output, the index is updated 791 to point beyond the last character returned in 792 the call. 793 @param LineWidth The maximum width of the line in units of narrow glyphs. 794 @param LanguageString The pointer to a NULL-terminated string containing a 795 single ISO 639-2 language identifier, indicating 796 the language to print. 797 @param BufferLength The pointer to the length of the StringBuffer. 798 @param StringBuffer The buffer designed to receive the characters in 799 the string. 800 801 @retval EFI_SUCCESS StringBuffer filled with characters that will fit 802 on the line. 803 @retval EFI_NOT_FOUND The font glyph for at least one of the characters in 804 the string is not in the font database. 805 @retval EFI_BUFFER_TOO_SMALL The buffer provided was not large enough 806 to allow the entire string to be stored. 807 808 **/ 809 typedef 810 EFI_STATUS 811 (EFIAPI *EFI_HII_GET_LINE)( 812 IN EFI_HII_PROTOCOL *This, 813 IN FRAMEWORK_EFI_HII_HANDLE Handle, 814 IN STRING_REF Token, 815 IN OUT UINT16 *Index, 816 IN UINT16 LineWidth, 817 IN CHAR16 *LanguageString, 818 IN OUT UINT16 *BufferLength, 819 OUT EFI_STRING StringBuffer 820 ); 821 822 /** 823 Allows a program to extract a form or form package that has previously 824 been registered with the HII database. 825 826 @param This A pointer to the EFI_HII_PROTOCOL instance. 827 @param Handle Handle on which the form resides. 828 @param FormId The ID of the form to return. If the ID is zero, 829 the entire form package is returned. 830 @param BufferLength On input, the length of the Buffer. On output, 831 the length of the returned buffer, 832 @param Buffer The buffer designed to receive the form(s). 833 834 @retval EFI_SUCCESS Buffer filled with the requested forms. BufferLength 835 was updated. 836 @retval EFI_INVALID_PARAMETER The handle is unknown. 837 @retval EFI_NOT_FOUND A form on the requested handle cannot be found with 838 the requested FormId. 839 @retval EFI_BUFFER_TOO_SMALL The buffer provided was not large enough 840 to allow the form to be stored. 841 842 **/ 843 typedef 844 EFI_STATUS 845 (EFIAPI *EFI_HII_GET_FORMS)( 846 IN EFI_HII_PROTOCOL *This, 847 IN FRAMEWORK_EFI_HII_HANDLE Handle, 848 IN EFI_FORM_ID FormId, 849 IN OUT UINTN *BufferLength, 850 OUT UINT8 *Buffer 851 ); 852 853 /** 854 Extracts the defaults that are associated with a given handle in the HII database. 855 856 @param This A pointer to the EFI_HII_PROTOCOL instance. 857 @param Handle The HII handle from which will have default data retrieved. 858 @param DefaultMask The mask used to specify some type of default 859 override when extracting the default image data. 860 @param VariablePackList An indirect pointer to the first entry of a link 861 list with type EFI_HII_VARIABLE_PACK_LIST. 862 863 @retval EFI_SUCCESS The VariablePackList was populated with the appropriate 864 default setting data. 865 @retval EFI_NOT_FOUND The IFR does not have any explicit or default map(s). 866 @retval EFI_INVALID_PARAMETER The HII database entry associated with Handle 867 contains invalid data. 868 869 **/ 870 typedef 871 EFI_STATUS 872 (EFIAPI *EFI_HII_GET_DEFAULT_IMAGE)( 873 IN EFI_HII_PROTOCOL *This, 874 IN FRAMEWORK_EFI_HII_HANDLE Handle, 875 IN UINTN DefaultMask, 876 OUT EFI_HII_VARIABLE_PACK_LIST **VariablePackList 877 ); 878 879 /** 880 Allows the caller to update a form or form package that has previously been 881 registered with the EFI HII database. 882 883 @param This A pointer to the EFI_HII_PROTOCOL instance. 884 @param Handle Handle of the package where the form to be updated resides. 885 @param Label The label inside the form package where the update is to take place. 886 @param AddData If TRUE, adding data at a given Label; otherwise, 887 if FALSE, removing data at a given Label. 888 @param Data The buffer containing the new tags to insert after the Label 889 890 @retval EFI_SUCCESS The form was updated with the new tags. 891 @retval EFI_INVALID_PARAMETER The buffer for the buffer length does not 892 contain an integral number of tags. 893 @retval EFI_NOT_FOUND The Handle, Label, or FormId was not found. 894 895 **/ 896 typedef 897 EFI_STATUS 898 (EFIAPI *EFI_HII_UPDATE_FORM)( 899 IN EFI_HII_PROTOCOL *This, 900 IN FRAMEWORK_EFI_HII_HANDLE Handle, 901 IN EFI_FORM_LABEL Label, 902 IN BOOLEAN AddData, 903 IN EFI_HII_UPDATE_DATA *Data 904 ); 905 906 /** 907 Retrieves the current keyboard layout. 908 909 Note that this function prototype name is different from that in the Framework HII 0.92 specification 910 to avoid name confict with EFI_HII_GET_KEYBOARD_LAYOUT defined in the UEFI 2.1d specification. 911 912 @param This A pointer to the EFI_HII_PROTOCOL instance. 913 @param DescriptorCount A pointer to the number of Descriptor entries being 914 described in the keyboard layout being retrieved. 915 @param Descriptor A pointer to a buffer containing an array of 916 FRAMEWORK_EFI_KEY_DESCRIPTOR entries. Each entry 917 will reflect the definition of a specific physical key. 918 919 @retval EFI_SUCCESS The keyboard layout was retrieved successfully. 920 921 **/ 922 typedef 923 EFI_STATUS 924 (EFIAPI *FRAMEWORK_EFI_HII_GET_KEYBOARD_LAYOUT)( 925 IN EFI_HII_PROTOCOL *This, 926 OUT UINT16 *DescriptorCount, 927 OUT FRAMEWORK_EFI_KEY_DESCRIPTOR *Descriptor 928 ); 929 930 /// 931 /// The HII Protocol manages the HII database, which is a repository for data 932 /// having to do with fonts, strings, forms, keyboards, and other future human 933 /// interface items. 934 /// 935 struct _EFI_HII_PROTOCOL { 936 /// 937 /// Extracts the various packs from a package list. 938 /// 939 EFI_HII_NEW_PACK NewPack; 940 941 /// 942 /// Removes a package from the HII database. 943 /// 944 EFI_HII_REMOVE_PACK RemovePack; 945 946 /// 947 /// Determines the handles that are currently active in the database. 948 /// 949 EFI_HII_FIND_HANDLES FindHandles; 950 951 /// 952 /// Exports the entire contents of the database to a buffer. 953 /// 954 EFI_HII_EXPORT ExportDatabase; 955 956 /// 957 /// Tests if all of the characters in a string have corresponding font characters. 958 /// 959 EFI_HII_TEST_STRING TestString; 960 961 /// 962 /// Translates a Unicode character into the corresponding font glyph. 963 /// 964 FRAMEWORK_EFI_HII_GET_GLYPH GetGlyph; 965 966 /// 967 /// Converts a glyph value into a format that is ready for a UGA BLT command. 968 /// 969 EFI_HII_GLYPH_TO_BLT GlyphToBlt; 970 971 /// 972 /// Allows a new string to be added to an already existing string package. 973 /// 974 FRAMEWORK_EFI_HII_NEW_STRING NewString; 975 976 /// 977 /// Allows a program to determine the primary languages that are supported 978 /// on a given handle. 979 /// 980 EFI_HII_GET_PRI_LANGUAGES GetPrimaryLanguages; 981 982 /// 983 /// Allows a program to determine which secondary languages are supported 984 /// on a given handle for a given primary language. 985 /// 986 EFI_HII_GET_SEC_LANGUAGES GetSecondaryLanguages; 987 988 /// 989 /// Extracts a string from a package that is already registered with the 990 /// EFI HII database. 991 /// 992 FRAMEWORK_EFI_HII_GET_STRING GetString; 993 994 /// 995 /// Removes any new strings that were added after the initial string export 996 /// for this handle. 997 /// 998 /// Note this function is not defined in the Framework HII 0.92 specification. 999 /// 1000 EFI_HII_RESET_STRINGS ResetStrings; 1001 1002 /// 1003 /// Allows a program to extract a part of a string of not more than a given width. 1004 /// 1005 EFI_HII_GET_LINE GetLine; 1006 1007 /// 1008 /// Allows a program to extract a form or form package that has been previously registered. 1009 /// 1010 EFI_HII_GET_FORMS GetForms; 1011 1012 /// 1013 /// Allows a program to extract the nonvolatile image that represents the default storage image. 1014 /// 1015 EFI_HII_GET_DEFAULT_IMAGE GetDefaultImage; 1016 1017 /// 1018 /// Allows a program to update a previously registered form. 1019 /// 1020 EFI_HII_UPDATE_FORM UpdateForm; 1021 1022 /// 1023 /// Allows a program to extract the current keyboard layout. 1024 /// 1025 FRAMEWORK_EFI_HII_GET_KEYBOARD_LAYOUT GetKeyboardLayout; 1026 }; 1027 1028 extern EFI_GUID gEfiHiiProtocolGuid; 1029 extern EFI_GUID gEfiHiiCompatibilityProtocolGuid; 1030 1031 #endif 1032 1033
