1/** @file
2  Public include file for the HII Library
3
4Copyright (c) 2007 - 2013, Intel Corporation. All rights reserved.<BR>
5This program and the accompanying materials are licensed and made available under
6the terms and conditions of the BSD License that accompanies this distribution.
7The full text of the license may be found at
8http://opensource.org/licenses/bsd-license.php.
9
10THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
11WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
12
13**/
14
15#ifndef __HII_LIB_H__
16#define __HII_LIB_H__
17
18////////////////////////////////////////////////////////
19////////////////////////////////////////////////////////
20// HiiLib Functions
21////////////////////////////////////////////////////////
22////////////////////////////////////////////////////////
23
24/**
25  Registers a list of packages in the HII Database and returns the HII Handle
26  associated with that registration.  If an HII Handle has already been registered
27  with the same PackageListGuid and DeviceHandle, then NULL is returned.  If there
28  are not enough resources to perform the registration, then NULL is returned.
29  If an empty list of packages is passed in, then NULL is returned.  If the size of
30  the list of package is 0, then NULL is returned.
31
32  The variable arguments are pointers that point to package headers defined
33  by UEFI VFR compiler and StringGather tool.
34
35  #pragma pack (push, 1)
36  typedef struct {
37    UINT32                  BinaryLength;
38    EFI_HII_PACKAGE_HEADER  PackageHeader;
39  } EDKII_AUTOGEN_PACKAGES_HEADER;
40  #pragma pack (pop)
41
42  @param[in]  PackageListGuid  The GUID of the package list.
43  @param[in]  DeviceHandle     If not NULL, the Device Handle on which
44                               an instance of DEVICE_PATH_PROTOCOL is installed.
45                               This Device Handle uniquely defines the device that
46                               the added packages are associated with.
47  @param[in]  ...              The variable argument list that contains pointers
48                               to packages terminated by a NULL.
49
50  @retval NULL   An HII Handle has already been registered in the HII Database with
51                 the same PackageListGuid and DeviceHandle.
52  @retval NULL   The HII Handle could not be created.
53  @retval NULL   An empty list of packages was passed in.
54  @retval NULL   All packages are empty.
55  @retval Other  The HII Handle associated with the newly registered package list.
56
57**/
58EFI_HII_HANDLE
59EFIAPI
60HiiAddPackages (
61  IN CONST EFI_GUID    *PackageListGuid,
62  IN       EFI_HANDLE  DeviceHandle  OPTIONAL,
63  ...
64  )
65;
66
67/**
68  Removes a package list from the HII database.
69
70  If HiiHandle is NULL, then ASSERT().
71  If HiiHandle is not a valid EFI_HII_HANDLE in the HII database, then ASSERT().
72
73  @param[in]  HiiHandle   The handle that was previously registered in the HII database
74
75**/
76VOID
77EFIAPI
78HiiRemovePackages (
79  IN      EFI_HII_HANDLE      HiiHandle
80  )
81;
82
83/**
84  This function creates a new string in String Package or updates an existing
85  string in a String Package.  If StringId is 0, then a new string is added to
86  a String Package.  If StringId is not zero, then a string in String Package is
87  updated.  If SupportedLanguages is NULL, then the string is added or updated
88  for all the languages that the String Package supports.  If SupportedLanguages
89  is not NULL, then the string is added or updated for the set of languages
90  specified by SupportedLanguages.
91
92  If HiiHandle is NULL, then ASSERT().
93  If String is NULL, then ASSERT().
94
95  @param[in]  HiiHandle           A handle that was previously registered in the
96                                  HII Database.
97  @param[in]  StringId            If zero, then a new string is created in the
98                                  String Package associated with HiiHandle.  If
99                                  non-zero, then the string specified by StringId
100                                  is updated in the String Package associated
101                                  with HiiHandle.
102  @param[in]  String              A pointer to the Null-terminated Unicode string
103                                  to add or update in the String Package associated
104                                  with HiiHandle.
105  @param[in]  SupportedLanguages  A pointer to a Null-terminated ASCII string of
106                                  language codes.  If this parameter is NULL, then
107                                  String is added or updated in the String Package
108                                  associated with HiiHandle for all the languages
109                                  that the String Package supports.  If this
110                                  parameter is not NULL, then String is added
111                                  or updated in the String Package associated with
112                                  HiiHandle for the set of languages specified by
113                                  SupportedLanguages.  The format of
114                                  SupportedLanguages must follow the language
115                                  format assumed in the HII Database.
116
117  @retval 0      The string could not be added or updated in the String Package.
118  @retval Other  The EFI_STRING_ID of the newly added or updated string.
119
120**/
121EFI_STRING_ID
122EFIAPI
123HiiSetString (
124  IN EFI_HII_HANDLE    HiiHandle,
125  IN EFI_STRING_ID     StringId,            OPTIONAL
126  IN CONST EFI_STRING  String,
127  IN CONST CHAR8       *SupportedLanguages  OPTIONAL
128  )
129;
130
131/**
132  Retrieves a string from a string package in a specific language.  If the language
133  is not specified, then a string from a string package in the current platform
134  language is retrieved.  If the string cannot be retrieved using the specified
135  language or the current platform language, then the string is retrieved from
136  the string package in the first language the string package supports.  The
137  returned string is allocated using AllocatePool().  The caller is responsible
138  for freeing the allocated buffer using FreePool().
139
140  If HiiHandle is NULL, then ASSERT().
141  If StringId is 0, then ASSERT().
142
143  @param[in]  HiiHandle  A handle that was previously registered in the HII Database.
144  @param[in]  StringId   The identifier of the string to retrieved from the string
145                         package associated with HiiHandle.
146  @param[in]  Language   The language of the string to retrieve.  If this parameter
147                         is NULL, then the current platform language is used.  The
148                         format of Language must follow the language format assumed in
149                         the HII Database.
150
151  @retval NULL   The string specified by StringId is not present in the string package.
152  @retval Other  The string was returned.
153
154**/
155EFI_STRING
156EFIAPI
157HiiGetString (
158  IN EFI_HII_HANDLE  HiiHandle,
159  IN EFI_STRING_ID   StringId,
160  IN CONST CHAR8     *Language  OPTIONAL
161  )
162;
163
164/**
165  Retrieves a string from a string package named by GUID, in the specified language.
166  If the language is not specified, then a string from a string package in the
167  current platform  language is retrieved.  If the string cannot be retrieved
168  using the specified language or the current platform language, then the string
169  is retrieved from the string package in the first language the string package
170  supports.  The returned string is allocated using AllocatePool().  The caller
171  is responsible for freeing the allocated buffer using FreePool().
172
173  If PackageListGuid is NULL, then ASSERT().
174  If StringId is 0, then ASSERT().
175
176  @param[in]  PackageListGuid  The GUID of a package list that was previously
177                               registered in the HII Database.
178  @param[in]  StringId         The identifier of the string to retrieved from the
179                               string package associated with PackageListGuid.
180  @param[in]  Language         The language of the string to retrieve.  If this
181                               parameter is NULL, then the current platform
182                               language is used.  The format of Language must
183                               follow the language format assumed in the HII Database.
184
185  @retval NULL   The package list specified by PackageListGuid is not present in the
186                 HII Database.
187  @retval NULL   The string specified by StringId is not present in the string package.
188  @retval Other  The string was returned.
189
190**/
191EFI_STRING
192EFIAPI
193HiiGetPackageString (
194  IN CONST EFI_GUID  *PackageListGuid,
195  IN EFI_STRING_ID   StringId,
196  IN CONST CHAR8     *Language  OPTIONAL
197  )
198;
199
200/**
201  Retrieves the array of all the HII Handles or the HII handles of a specific
202  package list GUID in the HII Database.
203  This array is terminated with a NULL HII Handle.
204  This function allocates the returned array using AllocatePool().
205  The caller is responsible for freeing the array with FreePool().
206
207  @param[in]  PackageListGuid  An optional parameter that is used to request
208                               HII Handles associated with a specific
209                               Package List GUID.  If this parameter is NULL,
210                               then all the HII Handles in the HII Database
211                               are returned.  If this parameter is not NULL,
212                               then zero or more HII Handles associated with
213                               PackageListGuid are returned.
214
215  @retval NULL   No HII handles were found in the HII database
216  @retval NULL   The array of HII Handles could not be retrieved
217  @retval Other  A pointer to the NULL terminated array of HII Handles
218
219**/
220EFI_HII_HANDLE *
221EFIAPI
222HiiGetHiiHandles (
223  IN CONST EFI_GUID  *PackageListGuid  OPTIONAL
224  )
225;
226
227/**
228  This function allows a caller to extract the form set opcode form the Hii Handle.
229  The returned buffer is allocated using AllocatePool().The caller is responsible
230  for freeing the allocated buffer using FreePool().
231
232  @param Handle            The HII handle.
233  @param Buffer            On return, points to a pointer which point to the buffer that contain the formset opcode.
234  @param BufferSize        On return, points to the length of the buffer.
235
236  @retval EFI_OUT_OF_RESOURCES   No enough memory resource is allocated.
237  @retval EFI_NOT_FOUND          Can't find the package data for the input Handle.
238  @retval EFI_INVALID_PARAMETER  The input parameters are not correct.
239  @retval EFI_SUCCESS            Get the formset opcode from the hii handle successfully.
240
241**/
242EFI_STATUS
243EFIAPI
244HiiGetFormSetFromHiiHandle(
245  IN  EFI_HII_HANDLE     Handle,
246  OUT EFI_IFR_FORM_SET   **Buffer,
247  OUT UINTN              *BufferSize
248  );
249
250/**
251  Retrieves a pointer to a Null-terminated ASCII string containing the list
252  of languages that an HII handle in the HII Database supports.  The returned
253  string is allocated using AllocatePool().  The caller is responsible for freeing
254  the returned string using FreePool().  The format of the returned string follows
255  the language format assumed in the HII Database.
256
257  If HiiHandle is NULL, then ASSERT().
258
259  @param[in]  HiiHandle  A handle that was previously registered in the HII Database.
260
261  @retval NULL   HiiHandle is not registered in the HII database
262  @retval NULL   There are not enough resources available to retrieve the supported
263                 languages.
264  @retval NULL   The list of supported languages could not be retrieved.
265  @retval Other  A pointer to the Null-terminated ASCII string of supported languages.
266
267**/
268CHAR8 *
269EFIAPI
270HiiGetSupportedLanguages (
271  IN EFI_HII_HANDLE           HiiHandle
272  )
273;
274
275/**
276  Allocates and returns a Null-terminated Unicode <ConfigHdr> string using routing
277  information that includes a GUID, an optional Unicode string name, and a device
278  path. The string returned is allocated with AllocatePool().  The caller is
279  responsible for freeing the allocated string with FreePool().
280
281  The format of a <ConfigHdr> is as follows:
282
283    GUID=<HexCh>32&NAME=<Char>NameLength&PATH=<HexChar>DevicePathSize<Null>
284
285  @param[in]  Guid          The pointer to an EFI_GUID that is the routing information
286                            GUID.  Each of the 16 bytes in Guid is converted to
287                            a 2 Unicode character hexadecimal string.  This is
288                            an optional parameter that may be NULL.
289  @param[in]  Name          The pointer to a Null-terminated Unicode string that is
290                            the routing information NAME.  This is an optional
291                            parameter that may be NULL.  Each 16-bit Unicode
292                            character in Name is converted to a 4 character Unicode
293                            hexadecimal string.
294  @param[in]  DriverHandle  The driver handle that supports a Device Path Protocol
295                            that is the routing information PATH.  Each byte of
296                            the Device Path associated with DriverHandle is converted
297                            to a two (Unicode) character hexadecimal string.
298
299  @retval NULL   DriverHandle does not support the Device Path Protocol.
300  @retval NULL   DriverHandle does not support the Device Path Protocol.
301  @retval Other  A pointer to the Null-terminate Unicode <ConfigHdr> string
302
303**/
304EFI_STRING
305EFIAPI
306HiiConstructConfigHdr (
307  IN CONST EFI_GUID  *Guid,  OPTIONAL
308  IN CONST CHAR16    *Name,  OPTIONAL
309  IN EFI_HANDLE      DriverHandle
310  );
311
312/**
313  Reset the default value specified by DefaultId to the driver
314  configuration specified by the Request string.
315
316  NULL request string support depends on the ExportConfig interface of
317  HiiConfigRouting protocol in UEFI specification.
318
319  @param Request    A null-terminated Unicode string in
320                    <MultiConfigRequest> format. It can be NULL.
321                    If it is NULL, all configurations for the
322                    entirety of the current HII database will be reset.
323  @param DefaultId  Specifies the type of defaults to retrieve.
324
325  @retval TRUE    The default value was set successfully.
326  @retval FALSE   The default value was not found.
327**/
328BOOLEAN
329EFIAPI
330HiiSetToDefaults (
331  IN CONST EFI_STRING  Request,  OPTIONAL
332  IN UINT16            DefaultId
333  );
334
335/**
336  Validate the current configuration by parsing the IFR opcode in HII form.
337
338  NULL request string support depends on the ExportConfig interface of
339  HiiConfigRouting protocol in the UEFI specification.
340
341  @param  Request   A null-terminated Unicode string in
342                    <MultiConfigRequest> format. It can be NULL.
343                    If it is NULL, all current configurations for the
344                    entirety of the current HII database will be validated.
345
346  @retval TRUE    The current configuration is valid.
347  @retval FALSE   The current configuration is invalid.
348**/
349BOOLEAN
350EFIAPI
351HiiValidateSettings (
352  IN CONST EFI_STRING  Request  OPTIONAL
353  );
354
355/**
356  Determines if the routing data specified by GUID and NAME match a <ConfigHdr>.
357
358  If ConfigHdr is NULL, then ASSERT().
359
360  @param[in] ConfigHdr  Either <ConfigRequest> or <ConfigResp>.
361  @param[in] Guid       The GUID of the storage.
362  @param[in] Name       The NAME of the storage.
363
364  @retval TRUE   Routing information matches <ConfigHdr>.
365  @retval FALSE  Routing information does not match <ConfigHdr>.
366
367**/
368BOOLEAN
369EFIAPI
370HiiIsConfigHdrMatch (
371  IN CONST EFI_STRING  ConfigHdr,
372  IN CONST EFI_GUID    *Guid,     OPTIONAL
373  IN CONST CHAR16      *Name      OPTIONAL
374  );
375
376/**
377  Retrieves uncommitted data from the Form Browser and converts it to a binary
378  buffer.
379
380  @param[in]  VariableGuid  The pointer to an EFI_GUID structure.  This is an optional
381                            parameter that may be NULL.
382  @param[in]  VariableName  The pointer to a Null-terminated Unicode string.  This
383                            is an optional parameter that may be NULL.
384  @param[in]  BufferSize    The length in bytes of buffer to hold retrieved data.
385  @param[out] Buffer        The buffer of data to be updated.
386
387  @retval FALSE  The uncommitted data could not be retrieved.
388  @retval TRUE   The uncommitted data was retrieved.
389
390**/
391BOOLEAN
392EFIAPI
393HiiGetBrowserData (
394  IN CONST EFI_GUID  *VariableGuid,  OPTIONAL
395  IN CONST CHAR16    *VariableName,  OPTIONAL
396  IN UINTN           BufferSize,
397  OUT UINT8          *Buffer
398  );
399
400/**
401  Updates uncommitted data in the Form Browser.
402
403  If Buffer is NULL, then ASSERT().
404
405  @param[in]  VariableGuid    The pointer to an EFI_GUID structure.  This is an optional
406                              parameter that may be NULL.
407  @param[in]  VariableName    The pointer to a Null-terminated Unicode string.  This
408                              is an optional parameter that may be NULL.
409  @param[in]  BufferSize      The length, in bytes, of Buffer.
410  @param[in]  Buffer          The buffer of data to commit.
411  @param[in]  RequestElement  An optional field to specify which part of the
412                              buffer data will be send back to Browser. If NULL,
413                              the whole buffer of data will be committed to
414                              Browser.
415                              <RequestElement> ::= &OFFSET=<Number>&WIDTH=<Number>*
416
417  @retval FALSE  The uncommitted data could not be updated.
418  @retval TRUE   The uncommitted data was updated.
419
420**/
421BOOLEAN
422EFIAPI
423HiiSetBrowserData (
424  IN CONST EFI_GUID  *VariableGuid, OPTIONAL
425  IN CONST CHAR16    *VariableName, OPTIONAL
426  IN UINTN           BufferSize,
427  IN CONST UINT8     *Buffer,
428  IN CONST CHAR16    *RequestElement  OPTIONAL
429  );
430
431/////////////////////////////////////////
432/////////////////////////////////////////
433/// IFR Functions
434/////////////////////////////////////////
435/////////////////////////////////////////
436
437/**
438  Returns a UINT64 value that contains bitfields for Hour, Minute, and Second.
439  The lower 8-bits of Hour are placed in bits 0..7.  The lower 8-bits of Minute
440  are placed in bits 8..15, and the lower 8-bits of Second are placed in bits
441  16..23.  This format was selected because it can be easily translated to
442  an EFI_HII_TIME structure in an EFI_IFR_TYPE_VALUE union.
443
444  @param  Hour    The hour value to be encoded.
445  @param  Minute  The minute value to be encoded.
446  @param  Second  The second value to be encoded.
447
448  @return A 64-bit containing Hour, Minute, and Second.
449**/
450#define EFI_HII_TIME_UINT64(Hour, Minute, Second) \
451  (UINT64)((Hour & 0xff) | ((Minute & 0xff) << 8) | ((Second & 0xff) << 16))
452
453/**
454  Returns a UINT64 value that contains bit fields for Year, Month, and Day.
455  The lower 16-bits of Year are placed in bits 0..15.  The lower 8-bits of Month
456  are placed in bits 16..23, and the lower 8-bits of Day are placed in bits
457  24..31.  This format was selected because it can be easily translated to
458  an EFI_HII_DATE structure in an EFI_IFR_TYPE_VALUE union.
459
460  @param  Year   The year value to be encoded.
461  @param  Month  The month value to be encoded.
462  @param  Day    The day value to be encoded.
463
464  @return A 64-bit containing Year, Month, and Day.
465**/
466#define EFI_HII_DATE_UINT64(Year, Month, Day) \
467  (UINT64)((Year & 0xffff) | ((Month & 0xff) << 16) | ((Day & 0xff) << 24))
468
469/**
470  Allocates and returns a new OpCode Handle.  OpCode Handles must be freed with
471  HiiFreeOpCodeHandle().
472
473  @retval NULL   There are not enough resources to allocate a new OpCode Handle.
474  @retval Other  A new OpCode handle.
475
476**/
477VOID *
478EFIAPI
479HiiAllocateOpCodeHandle (
480  VOID
481  );
482
483/**
484  Frees an OpCode Handle that was previously allocated with HiiAllocateOpCodeHandle().
485  When an OpCode Handle is freed, all of the opcodes associated with the OpCode
486  Handle are also freed.
487
488  If OpCodeHandle is NULL, then ASSERT().
489
490  @param[in]  OpCodeHandle   The handle to the buffer of opcodes.
491
492**/
493VOID
494EFIAPI
495HiiFreeOpCodeHandle (
496  VOID  *OpCodeHandle
497  );
498
499/**
500  Append raw opcodes to an OpCodeHandle.
501
502  If OpCodeHandle is NULL, then ASSERT().
503  If RawBuffer is NULL, then ASSERT();
504
505  @param[in]  OpCodeHandle   The handle to the buffer of opcodes.
506  @param[in]  RawBuffer      The buffer of opcodes to append.
507  @param[in]  RawBufferSize  The size, in bytes, of Buffer.
508
509  @retval NULL   There is not enough space left in Buffer to add the opcode.
510  @retval Other  A pointer to the appended opcodes.
511
512**/
513UINT8 *
514EFIAPI
515HiiCreateRawOpCodes (
516  IN VOID   *OpCodeHandle,
517  IN UINT8  *RawBuffer,
518  IN UINTN  RawBufferSize
519  );
520
521/**
522  Create EFI_IFR_END_OP opcode.
523
524  If OpCodeHandle is NULL, then ASSERT().
525
526  @param[in]  OpCodeHandle  Handle to the buffer of opcodes.
527
528  @retval NULL   There is not enough space left in Buffer to add the opcode.
529  @retval Other  A pointer to the created opcode.
530
531**/
532UINT8 *
533EFIAPI
534HiiCreateEndOpCode (
535  IN VOID  *OpCodeHandle
536  );
537
538/**
539  Create EFI_IFR_ONE_OF_OPTION_OP opcode.
540
541  If OpCodeHandle is NULL, then ASSERT().
542  If Type is invalid, then ASSERT().
543  If Flags is invalid, then ASSERT().
544
545  @param[in]  OpCodeHandle  The handle to the buffer of opcodes.
546  @param[in]  StringId      StringId for the option.
547  @param[in]  Flags         The flags for the option.
548  @param[in]  Type          The type for the option.
549  @param[in]  Value         The value for the option.
550
551  @retval NULL   There is not enough space left in Buffer to add the opcode.
552  @retval Other  A pointer to the created opcode.
553
554**/
555UINT8 *
556EFIAPI
557HiiCreateOneOfOptionOpCode (
558  IN VOID    *OpCodeHandle,
559  IN UINT16  StringId,
560  IN UINT8   Flags,
561  IN UINT8   Type,
562  IN UINT64  Value
563  );
564
565/**
566  Create EFI_IFR_DEFAULT_OP opcode.
567
568  If OpCodeHandle is NULL, then ASSERT().
569  If Type is invalid, then ASSERT().
570
571  @param[in]  OpCodeHandle  The handle to the buffer of opcodes.
572  @param[in]  DefaultId     The DefaultId for the default.
573  @param[in]  Type          The type for the default.
574  @param[in]  Value         The value for the default.
575
576  @retval NULL   There is not enough space left in Buffer to add the opcode.
577  @retval Other  A pointer to the created opcode.
578
579**/
580UINT8 *
581EFIAPI
582HiiCreateDefaultOpCode (
583  IN VOID    *OpCodeHandle,
584  IN UINT16  DefaultId,
585  IN UINT8   Type,
586  IN UINT64  Value
587  );
588
589/**
590  Create EFI_IFR_GUID opcode.
591
592  If OpCodeHandle is NULL, then ASSERT().
593  If Guid is NULL, then ASSERT().
594  If OpCodeSize < sizeof (EFI_IFR_GUID), then ASSERT().
595
596  @param[in]  OpCodeHandle  The handle to the buffer of opcodes.
597  @param[in]  Guid          The pointer to EFI_GUID of this guided opcode.
598  @param[in]  GuidOpCode    The pointer to an EFI_IFR_GUID opcode.  This is an
599                            optional parameter that may be NULL.  If this
600                            parameter is NULL, then the GUID extension
601                            region of the created opcode is filled with zeros.
602                            If this parameter is not NULL, then the GUID
603                            extension region of GuidData will be copied to
604                            the GUID extension region of the created opcode.
605  @param[in]  OpCodeSize    The size, in bytes, of created opcode.  This value
606                            must be >= sizeof(EFI_IFR_GUID).
607
608  @retval NULL   There is not enough space left in Buffer to add the opcode.
609  @retval Other  A pointer to the created opcode.
610
611**/
612UINT8 *
613EFIAPI
614HiiCreateGuidOpCode (
615  IN VOID            *OpCodeHandle,
616  IN CONST EFI_GUID  *Guid,
617  IN CONST VOID      *GuidOpCode,    OPTIONAL
618  IN UINTN           OpCodeSize
619  );
620
621/**
622  Create EFI_IFR_ACTION_OP opcode.
623
624  If OpCodeHandle is NULL, then ASSERT().
625  If any reserved bits are set in QuestionFlags, then ASSERT().
626
627  @param[in]  OpCodeHandle  The handle to the buffer of opcodes.
628  @param[in]  QuestionId      The Question ID.
629  @param[in]  Prompt          The String ID for Prompt.
630  @param[in]  Help            The String ID for Help.
631  @param[in]  QuestionFlags   The flags in the Question Header.
632  @param[in]  QuestionConfig  The String ID for the configuration.
633
634  @retval NULL   There is not enough space left in Buffer to add the opcode.
635  @retval Other  A pointer to the created opcode.
636
637**/
638UINT8 *
639EFIAPI
640HiiCreateActionOpCode (
641  IN VOID             *OpCodeHandle,
642  IN EFI_QUESTION_ID  QuestionId,
643  IN EFI_STRING_ID    Prompt,
644  IN EFI_STRING_ID    Help,
645  IN UINT8            QuestionFlags,
646  IN EFI_STRING_ID    QuestionConfig
647  );
648
649/**
650  Create EFI_IFR_SUBTITLE_OP opcode.
651
652  If OpCodeHandle is NULL, then ASSERT().
653  If any reserved bits are set in Flags, then ASSERT().
654  If Scope > 1, then ASSERT().
655
656  @param[in]  OpCodeHandle  The handle to the buffer of opcodes.
657  @param[in]  Prompt      The string ID for Prompt.
658  @param[in]  Help        The string ID for Help.
659  @param[in]  Flags       The subtitle opcode flags.
660  @param[in]  Scope       1 if this opcode is the beginning of a new scope.
661                          0 if this opcode is within the current scope.
662
663  @retval NULL   There is not enough space left in Buffer to add the opcode.
664  @retval Other  A pointer to the created opcode.
665
666**/
667UINT8 *
668EFIAPI
669HiiCreateSubTitleOpCode (
670  IN VOID           *OpCodeHandle,
671  IN EFI_STRING_ID  Prompt,
672  IN EFI_STRING_ID  Help,
673  IN UINT8          Flags,
674  IN UINT8          Scope
675  );
676
677/**
678  Create EFI_IFR_REF_OP opcode.
679
680  If OpCodeHandle is NULL, then ASSERT().
681  If any reserved bits are set in QuestionFlags, then ASSERT().
682
683  @param[in]  OpCodeHandle   The handle to the buffer of opcodes.
684  @param[in]  FormId         The Destination Form ID.
685  @param[in]  Prompt         The string ID for Prompt.
686  @param[in]  Help           The string ID for Help.
687  @param[in]  QuestionFlags  The flags in Question Header
688  @param[in]  QuestionId     Question ID.
689
690  @retval NULL   There is not enough space left in Buffer to add the opcode.
691  @retval Other  A pointer to the created opcode.
692
693**/
694UINT8 *
695EFIAPI
696HiiCreateGotoOpCode (
697  IN VOID             *OpCodeHandle,
698  IN EFI_FORM_ID      FormId,
699  IN EFI_STRING_ID    Prompt,
700  IN EFI_STRING_ID    Help,
701  IN UINT8            QuestionFlags,
702  IN EFI_QUESTION_ID  QuestionId
703  );
704
705/**
706  Create EFI_IFR_REF_OP, EFI_IFR_REF2_OP, EFI_IFR_REF3_OP and EFI_IFR_REF4_OP opcode.
707
708  When RefDevicePath is not zero, EFI_IFR_REF4 opcode will be created.
709  When RefDevicePath is zero and RefFormSetId is not NULL, EFI_IFR_REF3 opcode will be created.
710  When RefDevicePath is zero, RefFormSetId is NULL and RefQuestionId is not zero, EFI_IFR_REF2 opcode will be created.
711  When RefDevicePath is zero, RefFormSetId is NULL and RefQuestionId is zero, EFI_IFR_REF opcode will be created.
712
713  If OpCodeHandle is NULL, then ASSERT().
714  If any reserved bits are set in QuestionFlags, then ASSERT().
715
716  @param[in]  OpCodeHandle   The handle to the buffer of opcodes.
717  @param[in]  RefFormId      The Destination Form ID.
718  @param[in]  Prompt         The string ID for Prompt.
719  @param[in]  Help           The string ID for Help.
720  @param[in]  QuestionFlags  The flags in Question Header
721  @param[in]  QuestionId     Question ID.
722  @param[in]  RefQuestionId  The question on the form to which this link is referring.
723                             If its value is zero, then the link refers to the top of the form.
724  @param[in]  RefFormSetId   The form set to which this link is referring. If its value is NULL, and RefDevicePath is
725                             zero, then the link is to the current form set.
726  @param[in]  RefDevicePath  The string identifier that specifies the string containing the text representation of
727                             the device path to which the form set containing the form specified by FormId.
728                             If its value is zero, then the link refers to the current page.
729
730  @retval NULL   There is not enough space left in Buffer to add the opcode.
731  @retval Other  A pointer to the created opcode.
732
733**/
734UINT8 *
735EFIAPI
736HiiCreateGotoExOpCode (
737  IN VOID             *OpCodeHandle,
738  IN EFI_FORM_ID      RefFormId,
739  IN EFI_STRING_ID    Prompt,
740  IN EFI_STRING_ID    Help,
741  IN UINT8            QuestionFlags,
742  IN EFI_QUESTION_ID  QuestionId,
743  IN EFI_QUESTION_ID  RefQuestionId,
744  IN EFI_GUID         *RefFormSetId,    OPTIONAL
745  IN EFI_STRING_ID    RefDevicePath
746  );
747
748/**
749  Create EFI_IFR_CHECKBOX_OP opcode.
750
751  If OpCodeHandle is NULL, then ASSERT().
752  If any reserved bits are set in QuestionFlags, then ASSERT().
753  If any reserved bits are set in CheckBoxFlags, then ASSERT().
754
755  @param[in]  OpCodeHandle          The handle to the buffer of opcodes.
756  @param[in]  QuestionId            The question ID.
757  @param[in]  VarStoreId            The storage ID.
758  @param[in]  VarOffset             Offset in Storage or String ID of the name (VarName)
759                                    for this name/value pair.
760  @param[in]  Prompt                The string ID for Prompt.
761  @param[in]  Help                  The string ID for Help.
762  @param[in]  QuestionFlags         The flags in Question Header.
763  @param[in]  CheckBoxFlags         The flags for checkbox opcode.
764  @param[in]  DefaultsOpCodeHandle  The handle for a buffer of DEFAULT opcodes.  This
765                                    is an optional parameter that may be NULL.
766
767  @retval NULL   There is not enough space left in Buffer to add the opcode.
768  @retval Other  A pointer to the created opcode.
769
770**/
771UINT8 *
772EFIAPI
773HiiCreateCheckBoxOpCode (
774  IN VOID             *OpCodeHandle,
775  IN EFI_QUESTION_ID  QuestionId,
776  IN EFI_VARSTORE_ID  VarStoreId,
777  IN UINT16           VarOffset,
778  IN EFI_STRING_ID    Prompt,
779  IN EFI_STRING_ID    Help,
780  IN UINT8            QuestionFlags,
781  IN UINT8            CheckBoxFlags,
782  IN VOID             *DefaultsOpCodeHandle  OPTIONAL
783  );
784
785/**
786  Create EFI_IFR_NUMERIC_OP opcode.
787
788  If OpCodeHandle is NULL, then ASSERT().
789  If any reserved bits are set in QuestionFlags, then ASSERT().
790  If any reserved bits are set in NumericFlags, then ASSERT().
791
792  @param[in]  OpCodeHandle          The handle to the buffer of opcodes.
793  @param[in]  QuestionId            The question ID.
794  @param[in]  VarStoreId            The storage ID.
795  @param[in]  VarOffset             Offset in Storage or String ID of the name (VarName)
796                                    for this name/value pair.
797  @param[in]  Prompt                The string ID for Prompt.
798  @param[in]  Help                  The string ID for Help.
799  @param[in]  QuestionFlags         The flags in Question Header.
800  @param[in]  NumericFlags          The flags for a numeric opcode.
801  @param[in]  Minimum               The numeric minimum value.
802  @param[in]  Maximum               The numeric maximum value.
803  @param[in]  Step                  The numeric step for edit.
804  @param[in]  DefaultsOpCodeHandle  The handle for a buffer of DEFAULT opcodes.  This
805                                    is an optional parameter that may be NULL.
806
807  @retval NULL   There is not enough space left in Buffer to add the opcode.
808  @retval Other  A pointer to the created opcode.
809
810**/
811UINT8 *
812EFIAPI
813HiiCreateNumericOpCode (
814  IN VOID             *OpCodeHandle,
815  IN EFI_QUESTION_ID  QuestionId,
816  IN EFI_VARSTORE_ID  VarStoreId,
817  IN UINT16           VarOffset,
818  IN EFI_STRING_ID    Prompt,
819  IN EFI_STRING_ID    Help,
820  IN UINT8            QuestionFlags,
821  IN UINT8            NumericFlags,
822  IN UINT64           Minimum,
823  IN UINT64           Maximum,
824  IN UINT64           Step,
825  IN VOID             *DefaultsOpCodeHandle  OPTIONAL
826  );
827
828/**
829  Create EFI_IFR_STRING_OP opcode.
830
831  If OpCodeHandle is NULL, then ASSERT().
832  If any reserved bits are set in QuestionFlags, then ASSERT().
833  If any reserved bits are set in StringFlags, then ASSERT().
834
835  @param[in]  OpCodeHandle          The handle to the buffer of opcodes.
836  @param[in]  QuestionId            The question ID.
837  @param[in]  VarStoreId            The storage ID.
838  @param[in]  VarOffset             Offset in Storage or String ID of the name (VarName)
839                                    for this name/value pair.
840  @param[in]  Prompt                The string ID for Prompt.
841  @param[in]  Help                  The string ID for Help.
842  @param[in]  QuestionFlags         The flags in Question Header.
843  @param[in]  StringFlags           The flags for a string opcode.
844  @param[in]  MinSize               The string minimum length.
845  @param[in]  MaxSize               The string maximum length.
846  @param[in]  DefaultsOpCodeHandle  The handle for a buffer of DEFAULT opcodes.  This
847                                    is an optional parameter that may be NULL.
848
849  @retval NULL   There is not enough space left in Buffer to add the opcode.
850  @retval Other  A pointer to the created opcode.
851
852**/
853UINT8 *
854EFIAPI
855HiiCreateStringOpCode (
856  IN VOID             *OpCodeHandle,
857  IN EFI_QUESTION_ID  QuestionId,
858  IN EFI_VARSTORE_ID  VarStoreId,
859  IN UINT16           VarOffset,
860  IN EFI_STRING_ID    Prompt,
861  IN EFI_STRING_ID    Help,
862  IN UINT8            QuestionFlags,
863  IN UINT8            StringFlags,
864  IN UINT8            MinSize,
865  IN UINT8            MaxSize,
866  IN VOID             *DefaultsOpCodeHandle  OPTIONAL
867  );
868
869/**
870  Create EFI_IFR_ONE_OF_OP opcode.
871
872  If OpCodeHandle is NULL, then ASSERT().
873  If any reserved bits are set in QuestionFlags, then ASSERT().
874  If any reserved bits are set in OneOfFlags, then ASSERT().
875
876  @param[in]  OpCodeHandle          The handle to the buffer of opcodes.
877  @param[in]  QuestionId            The question ID.
878  @param[in]  VarStoreId            The storage ID.
879  @param[in]  VarOffset             Offset in Storage or String ID of the name (VarName)
880                                    for this name/value pair.
881  @param[in]  Prompt                The string ID for Prompt.
882  @param[in]  Help                  The string ID for Help.
883  @param[in]  QuestionFlags         The flags in Question Header.
884  @param[in]  OneOfFlags            The flags for a oneof opcode.
885  @param[in]  OptionsOpCodeHandle   The handle for a buffer of ONE_OF_OPTION opcodes.
886  @param[in]  DefaultsOpCodeHandle  The handle for a buffer of DEFAULT opcodes.  This
887                                    is an optional parameter that may be NULL.
888
889  @retval NULL   There is not enough space left in Buffer to add the opcode.
890  @retval Other  A pointer to the created opcode.
891
892**/
893UINT8 *
894EFIAPI
895HiiCreateOneOfOpCode (
896  IN VOID             *OpCodeHandle,
897  IN EFI_QUESTION_ID  QuestionId,
898  IN EFI_VARSTORE_ID  VarStoreId,
899  IN UINT16           VarOffset,
900  IN EFI_STRING_ID    Prompt,
901  IN EFI_STRING_ID    Help,
902  IN UINT8            QuestionFlags,
903  IN UINT8            OneOfFlags,
904  IN VOID             *OptionsOpCodeHandle,
905  IN VOID             *DefaultsOpCodeHandle  OPTIONAL
906  );
907
908/**
909  Create EFI_IFR_ORDERED_LIST_OP opcode.
910
911  If OpCodeHandle is NULL, then ASSERT().
912  If any reserved bits are set in QuestionFlags, then ASSERT().
913  If any reserved bits are set in OrderedListFlags, then ASSERT().
914
915  @param[in]  OpCodeHandle          The handle to the buffer of opcodes.
916  @param[in]  QuestionId            The question ID.
917  @param[in]  VarStoreId            The storage ID.
918  @param[in]  VarOffset             Offset in Storage or String ID of the name (VarName)
919                                    for this name/value pair.
920  @param[in]  Prompt                The string ID for Prompt.
921  @param[in]  Help                  The string ID for Help.
922  @param[in]  QuestionFlags         The flags in Question Header.
923  @param[in]  OrderedListFlags      The flags for an ordered list opcode.
924  @param[in]  DataType              The type for option value.
925  @param[in]  MaxContainers         Maximum count for options in this ordered list
926  @param[in]  OptionsOpCodeHandle   The handle for a buffer of ONE_OF_OPTION opcodes.
927  @param[in]  DefaultsOpCodeHandle  Handle for a buffer of DEFAULT opcodes.  This
928                                    is an optional parameter that may be NULL.
929
930  @retval NULL   There is not enough space left in Buffer to add the opcode.
931  @retval Other  A pointer to the created opcode.
932
933**/
934UINT8 *
935EFIAPI
936HiiCreateOrderedListOpCode (
937  IN VOID             *OpCodeHandle,
938  IN EFI_QUESTION_ID  QuestionId,
939  IN EFI_VARSTORE_ID  VarStoreId,
940  IN UINT16           VarOffset,
941  IN EFI_STRING_ID    Prompt,
942  IN EFI_STRING_ID    Help,
943  IN UINT8            QuestionFlags,
944  IN UINT8            OrderedListFlags,
945  IN UINT8            DataType,
946  IN UINT8            MaxContainers,
947  IN VOID             *OptionsOpCodeHandle,
948  IN VOID             *DefaultsOpCodeHandle  OPTIONAL
949  );
950
951/**
952  Create EFI_IFR_TEXT_OP opcode.
953
954  If OpCodeHandle is NULL, then ASSERT().
955
956  @param[in]  OpCodeHandle  Handle to the buffer of opcodes.
957  @param[in]  Prompt        String ID for Prompt.
958  @param[in]  Help          String ID for Help.
959  @param[in]  TextTwo       String ID for TextTwo.
960
961  @retval NULL   There is not enough space left in Buffer to add the opcode.
962  @retval Other  A pointer to the created opcode.
963
964**/
965UINT8 *
966EFIAPI
967HiiCreateTextOpCode (
968  IN VOID           *OpCodeHandle,
969  IN EFI_STRING_ID  Prompt,
970  IN EFI_STRING_ID  Help,
971  IN EFI_STRING_ID  TextTwo
972  );
973
974/**
975  Create EFI_IFR_DATE_OP opcode.
976
977  If OpCodeHandle is NULL, then ASSERT().
978  If any reserved bits are set in QuestionFlags, then ASSERT().
979  If any reserved bits are set in DateFlags, then ASSERT().
980
981  @param[in]  OpCodeHandle          Handle to the buffer of opcodes.
982  @param[in]  QuestionId            Question ID
983  @param[in]  VarStoreId            Storage ID, optional. If DateFlags is not
984                                    QF_DATE_STORAGE_NORMAL, this parameter is ignored.
985  @param[in]  VarOffset             Offset in Storage or String ID of the name (VarName)
986                                    for this name/value pair, optional. If DateFlags is not
987                                    QF_DATE_STORAGE_NORMAL, this parameter is ignored.
988  @param[in]  Prompt                String ID for Prompt
989  @param[in]  Help                  String ID for Help
990  @param[in]  QuestionFlags         Flags in Question Header
991  @param[in]  DateFlags             Flags for date opcode
992  @param[in]  DefaultsOpCodeHandle  Handle for a buffer of DEFAULT opcodes.  This
993                                    is an optional parameter that may be NULL.
994
995  @retval NULL   There is not enough space left in Buffer to add the opcode.
996  @retval Other  A pointer to the created opcode.
997
998**/
999UINT8 *
1000EFIAPI
1001HiiCreateDateOpCode (
1002  IN VOID             *OpCodeHandle,
1003  IN EFI_QUESTION_ID  QuestionId,
1004  IN EFI_VARSTORE_ID  VarStoreId,   OPTIONAL
1005  IN UINT16           VarOffset,    OPTIONAL
1006  IN EFI_STRING_ID    Prompt,
1007  IN EFI_STRING_ID    Help,
1008  IN UINT8            QuestionFlags,
1009  IN UINT8            DateFlags,
1010  IN VOID             *DefaultsOpCodeHandle  OPTIONAL
1011  );
1012
1013/**
1014  Create EFI_IFR_TIME_OP opcode.
1015
1016  If OpCodeHandle is NULL, then ASSERT().
1017  If any reserved bits are set in QuestionFlags, then ASSERT().
1018  If any reserved bits are set in TimeFlags, then ASSERT().
1019
1020  @param[in]  OpCodeHandle          Handle to the buffer of opcodes.
1021  @param[in]  QuestionId            Question ID
1022  @param[in]  VarStoreId            Storage ID, optional. If TimeFlags is not
1023                                    QF_TIME_STORAGE_NORMAL, this parameter is ignored.
1024  @param[in]  VarOffset             Offset in Storage or String ID of the name (VarName)
1025                                    for this name/value pair, optional. If TimeFlags is not
1026                                    QF_TIME_STORAGE_NORMAL, this parameter is ignored.
1027  @param[in]  Prompt                String ID for Prompt
1028  @param[in]  Help                  String ID for Help
1029  @param[in]  QuestionFlags         Flags in Question Header
1030  @param[in]  TimeFlags             Flags for time opcode
1031  @param[in]  DefaultsOpCodeHandle  Handle for a buffer of DEFAULT opcodes.  This
1032                                    is an optional parameter that may be NULL.
1033
1034  @retval NULL   There is not enough space left in Buffer to add the opcode.
1035  @retval Other  A pointer to the created opcode.
1036
1037**/
1038UINT8 *
1039EFIAPI
1040HiiCreateTimeOpCode (
1041  IN VOID             *OpCodeHandle,
1042  IN EFI_QUESTION_ID  QuestionId,
1043  IN EFI_VARSTORE_ID  VarStoreId,   OPTIONAL
1044  IN UINT16           VarOffset,    OPTIONAL
1045  IN EFI_STRING_ID    Prompt,
1046  IN EFI_STRING_ID    Help,
1047  IN UINT8            QuestionFlags,
1048  IN UINT8            TimeFlags,
1049  IN VOID             *DefaultsOpCodeHandle  OPTIONAL
1050  );
1051
1052/**
1053  This function updates a form that has previously been registered with the HII
1054  Database.  This function will perform at most one update operation.
1055
1056  The form to update is specified by Handle, FormSetGuid, and FormId.  Binary
1057  comparisons of IFR opcodes are performed from the beginning of the form being
1058  updated until an IFR opcode is found that exactly matches the first IFR opcode
1059  specified by StartOpCodeHandle.  The following rules are used to determine if
1060  an insert, replace, or delete operation is performed:
1061
1062  1) If no matches are found, then NULL is returned.
1063  2) If a match is found, and EndOpCodeHandle is NULL, then all of the IFR opcodes
1064     from StartOpCodeHandle except the first opcode are inserted immediately after
1065     the matching IFR opcode in the form to be updated.
1066  3) If a match is found, and EndOpCodeHandle is not NULL, then a search is made
1067     from the matching IFR opcode until an IFR opcode exactly matches the first
1068     IFR opcode specified by EndOpCodeHandle.  If no match is found for the first
1069     IFR opcode specified by EndOpCodeHandle, then NULL is returned.  If a match
1070     is found, then all of the IFR opcodes between the start match and the end
1071     match are deleted from the form being updated and all of the IFR opcodes
1072     from StartOpCodeHandle except the first opcode are inserted immediately after
1073     the matching start IFR opcode.  If StartOpCcodeHandle only contains one
1074     IFR instruction, then the result of this operation will delete all of the IFR
1075     opcodes between the start end matches.
1076
1077  If HiiHandle is NULL, then ASSERT().
1078  If StartOpCodeHandle is NULL, then ASSERT().
1079
1080  @param[in]  HiiHandle          The HII Handle of the form to update.
1081  @param[in]  FormSetGuid        The Formset GUID of the form to update.  This
1082                                 is an optional parameter that may be NULL.
1083                                 If it is NULL, all FormSet will be updated.
1084  @param[in]  FormId             The ID of the form to update.
1085  @param[in]  StartOpCodeHandle  An OpCode Handle that contains the set of IFR
1086                                 opcodes to be inserted or replaced in the form.
1087                                 The first IFR instruction in StartOpCodeHandle
1088                                 is used to find matching IFR opcode in the
1089                                 form.
1090  @param[in]  EndOpCodeHandle    An OpCcode Handle that contains the IFR opcode
1091                                 that marks the end of a replace operation in
1092                                 the form.  This is an optional parameter that
1093                                 may be NULL.  If it is NULL, then the IFR
1094                                 opcodes specified by StartOpCodeHandle are
1095                                 inserted into the form.
1096
1097  @retval EFI_OUT_OF_RESOURCES   Not enough memory resources are allocated.
1098  @retval EFI_NOT_FOUND          The following cases will return EFI_NOT_FOUND:
1099                                 1) The form specified by HiiHandle, FormSetGuid,
1100                                 and FormId could not be found in the HII Database.
1101                                 2) No IFR opcodes in the target form match the first
1102                                 IFR opcode in StartOpCodeHandle.
1103                                 3) EndOpCOde is not NULL, and no IFR opcodes in the
1104                                 target form following a matching start opcode match
1105                                 the first IFR opcode in EndOpCodeHandle.
1106  @retval EFI_SUCCESS            The matched form is updated by StartOpcode.
1107
1108**/
1109EFI_STATUS
1110EFIAPI
1111HiiUpdateForm (
1112  IN EFI_HII_HANDLE  HiiHandle,
1113  IN EFI_GUID        *FormSetGuid,        OPTIONAL
1114  IN EFI_FORM_ID     FormId,
1115  IN VOID            *StartOpCodeHandle,
1116  IN VOID            *EndOpCodeHandle     OPTIONAL
1117  );
1118
1119#endif
1120