1/** @file
2  Header file for boot maintenance module.
3
4Copyright (c) 2004 - 2014, Intel Corporation. All rights reserved.<BR>
5This program and the accompanying materials
6are licensed and made available under the terms and conditions of the BSD License
7which accompanies this distribution.  The 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 _BOOT_MAINT_H_
16#define _BOOT_MAINT_H_
17
18#include "Bds.h"
19#include "BBSsupport.h"
20#include "FormGuid.h"
21#include "FrontPage.h"
22
23//
24// Constants which are variable names used to access variables
25//
26#define VAR_CON_OUT_MODE L"ConOutMode"
27
28//
29// String Contant
30//
31#define STR_FLOPPY       L"Floppy Drive #%02x"
32#define STR_HARDDISK     L"HardDisk Drive #%02x"
33#define STR_CDROM        L"ATAPI CDROM Drive #%02x"
34#define STR_NET          L"NET Drive #%02x"
35#define STR_BEV          L"BEV Drive #%02x"
36#define STR_FLOPPY_HELP   L"Select Floppy Drive #%02x"
37#define STR_HARDDISK_HELP L"Select HardDisk Drive #%02x"
38#define STR_CDROM_HELP    L"Select ATAPI CDROM Drive #%02x"
39#define STR_NET_HELP      L"NET Drive #%02x"
40#define STR_BEV_HELP      L"BEV Drive #%02x"
41
42extern CHAR16   mFileExplorerStorageName[];
43extern CHAR16   mBootMaintStorageName[];
44//
45// These are the VFR compiler generated data representing our VFR data.
46//
47extern UINT8    BmBin[];
48extern UINT8    FEBin[];
49
50//
51// Below are the number of options in Baudrate, Databits,
52// Parity and Stopbits selection for serial ports.
53//
54#define BM_COM_ATTR_BUADRATE  19
55#define BM_COM_ATTR_DATABITS  4
56#define BM_COM_ATTR_PARITY    5
57#define BM_COM_ATTR_STOPBITS  3
58
59//
60// Callback function helper
61//
62#define BMM_CALLBACK_DATA_SIGNATURE     SIGNATURE_32 ('C', 'b', 'c', 'k')
63#define BMM_CALLBACK_DATA_FROM_THIS(a)  CR (a, BMM_CALLBACK_DATA, BmmConfigAccess, BMM_CALLBACK_DATA_SIGNATURE)
64
65#define FE_CALLBACK_DATA_FROM_THIS(a)   CR (a, BMM_CALLBACK_DATA, FeConfigAccess, BMM_CALLBACK_DATA_SIGNATURE)
66
67//
68// Enumeration type definition
69//
70typedef enum _TYPE_OF_TERMINAL {
71  TerminalTypePcAnsi                             = 0,
72  TerminalTypeVt100,
73  TerminalTypeVt100Plus,
74  TerminalTypeVtUtf8
75} TYPE_OF_TERMINAL;
76
77typedef enum _FILE_EXPLORER_STATE {
78  FileExplorerStateInActive                      = 0,
79  FileExplorerStateBootFromFile,
80  FileExplorerStateAddBootOption,
81  FileExplorerStateAddDriverOptionState,
82  FileExplorerStateUnknown
83} FILE_EXPLORER_STATE;
84
85typedef enum _FILE_EXPLORER_DISPLAY_CONTEXT {
86  FileExplorerDisplayFileSystem,
87  FileExplorerDisplayDirectory,
88  FileExplorerDisplayUnknown
89} FILE_EXPLORER_DISPLAY_CONTEXT;
90
91//
92// All of the signatures that will be used in list structure
93//
94#define BM_MENU_OPTION_SIGNATURE      SIGNATURE_32 ('m', 'e', 'n', 'u')
95#define BM_LOAD_OPTION_SIGNATURE      SIGNATURE_32 ('l', 'o', 'a', 'd')
96#define BM_CONSOLE_OPTION_SIGNATURE   SIGNATURE_32 ('c', 'n', 's', 'l')
97#define BM_FILE_OPTION_SIGNATURE      SIGNATURE_32 ('f', 'i', 'l', 'e')
98#define BM_HANDLE_OPTION_SIGNATURE    SIGNATURE_32 ('h', 'n', 'd', 'l')
99#define BM_TERMINAL_OPTION_SIGNATURE  SIGNATURE_32 ('t', 'r', 'm', 'l')
100#define BM_MENU_ENTRY_SIGNATURE       SIGNATURE_32 ('e', 'n', 't', 'r')
101
102#define BM_LOAD_CONTEXT_SELECT        0x0
103#define BM_CONSOLE_CONTEXT_SELECT     0x1
104#define BM_FILE_CONTEXT_SELECT        0x2
105#define BM_HANDLE_CONTEXT_SELECT      0x3
106#define BM_TERMINAL_CONTEXT_SELECT    0x5
107
108#define BM_CONSOLE_IN_CONTEXT_SELECT  0x6
109#define BM_CONSOLE_OUT_CONTEXT_SELECT 0x7
110#define BM_CONSOLE_ERR_CONTEXT_SELECT 0x8
111#define BM_LEGACY_DEV_CONTEXT_SELECT  0x9
112
113//
114// Buffer size for update data
115//
116#define UPDATE_DATA_SIZE        0x100000
117
118//
119// Namespace of callback keys used in display and file system navigation
120//
121#define MAX_BBS_OFFSET          0xE000
122#define NET_OPTION_OFFSET       0xD800
123#define BEV_OPTION_OFFSET       0xD000
124#define FD_OPTION_OFFSET        0xC000
125#define HD_OPTION_OFFSET        0xB000
126#define CD_OPTION_OFFSET        0xA000
127#define FILE_OPTION_GOTO_OFFSET 0xC000
128#define FILE_OPTION_OFFSET      0x8000
129#define FILE_OPTION_MASK        0x3FFF
130#define HANDLE_OPTION_OFFSET    0x7000
131#define CONSOLE_OPTION_OFFSET   0x6000
132#define TERMINAL_OPTION_OFFSET  0x5000
133#define CONFIG_OPTION_OFFSET    0x1200
134#define KEY_VALUE_OFFSET        0x1100
135#define FORM_ID_OFFSET          0x1000
136
137//
138// VarOffset that will be used to create question
139// all these values are computed from the structure
140// defined below
141//
142#define VAR_OFFSET(Field)              ((UINT16) ((UINTN) &(((BMM_FAKE_NV_DATA *) 0)->Field)))
143
144//
145// Question Id of Zero is invalid, so add an offset to it
146//
147#define QUESTION_ID(Field)             (VAR_OFFSET (Field) + CONFIG_OPTION_OFFSET)
148
149#define BOOT_TIME_OUT_VAR_OFFSET        VAR_OFFSET (BootTimeOut)
150#define BOOT_NEXT_VAR_OFFSET            VAR_OFFSET (BootNext)
151#define COM1_BAUD_RATE_VAR_OFFSET       VAR_OFFSET (COM1BaudRate)
152#define COM1_DATA_RATE_VAR_OFFSET       VAR_OFFSET (COM1DataRate)
153#define COM1_STOP_BITS_VAR_OFFSET       VAR_OFFSET (COM1StopBits)
154#define COM1_PARITY_VAR_OFFSET          VAR_OFFSET (COM1Parity)
155#define COM1_TERMINAL_VAR_OFFSET        VAR_OFFSET (COM2TerminalType)
156#define COM2_BAUD_RATE_VAR_OFFSET       VAR_OFFSET (COM2BaudRate)
157#define COM2_DATA_RATE_VAR_OFFSET       VAR_OFFSET (COM2DataRate)
158#define COM2_STOP_BITS_VAR_OFFSET       VAR_OFFSET (COM2StopBits)
159#define COM2_PARITY_VAR_OFFSET          VAR_OFFSET (COM2Parity)
160#define COM2_TERMINAL_VAR_OFFSET        VAR_OFFSET (COM2TerminalType)
161#define DRV_ADD_HANDLE_DESC_VAR_OFFSET  VAR_OFFSET (DriverAddHandleDesc)
162#define DRV_ADD_ACTIVE_VAR_OFFSET       VAR_OFFSET (DriverAddActive)
163#define DRV_ADD_RECON_VAR_OFFSET        VAR_OFFSET (DriverAddForceReconnect)
164#define CON_IN_COM1_VAR_OFFSET          VAR_OFFSET (ConsoleInputCOM1)
165#define CON_IN_COM2_VAR_OFFSET          VAR_OFFSET (ConsoleInputCOM2)
166#define CON_OUT_COM1_VAR_OFFSET         VAR_OFFSET (ConsoleOutputCOM1)
167#define CON_OUT_COM2_VAR_OFFSET         VAR_OFFSET (ConsoleOutputCOM2)
168#define CON_ERR_COM1_VAR_OFFSET         VAR_OFFSET (ConsoleErrorCOM1)
169#define CON_ERR_COM2_VAR_OFFSET         VAR_OFFSET (ConsoleErrorCOM2)
170#define CON_MODE_VAR_OFFSET             VAR_OFFSET (ConsoleOutMode)
171#define CON_IN_DEVICE_VAR_OFFSET        VAR_OFFSET (ConsoleInCheck)
172#define CON_OUT_DEVICE_VAR_OFFSET       VAR_OFFSET (ConsoleOutCheck)
173#define CON_ERR_DEVICE_VAR_OFFSET       VAR_OFFSET (ConsoleErrCheck)
174#define BOOT_OPTION_ORDER_VAR_OFFSET    VAR_OFFSET (BootOptionOrder)
175#define DRIVER_OPTION_ORDER_VAR_OFFSET  VAR_OFFSET (DriverOptionOrder)
176#define BOOT_OPTION_DEL_VAR_OFFSET      VAR_OFFSET (BootOptionDel)
177#define DRIVER_OPTION_DEL_VAR_OFFSET    VAR_OFFSET (DriverOptionDel)
178#define DRIVER_ADD_OPTION_VAR_OFFSET    VAR_OFFSET (DriverAddHandleOptionalData)
179#define COM_BAUD_RATE_VAR_OFFSET        VAR_OFFSET (COMBaudRate)
180#define COM_DATA_RATE_VAR_OFFSET        VAR_OFFSET (COMDataRate)
181#define COM_STOP_BITS_VAR_OFFSET        VAR_OFFSET (COMStopBits)
182#define COM_PARITY_VAR_OFFSET           VAR_OFFSET (COMParity)
183#define COM_TERMINAL_VAR_OFFSET         VAR_OFFSET (COMTerminalType)
184#define COM_FLOWCONTROL_VAR_OFFSET      VAR_OFFSET (COMFlowControl)
185#define LEGACY_FD_VAR_OFFSET            VAR_OFFSET (LegacyFD)
186#define LEGACY_HD_VAR_OFFSET            VAR_OFFSET (LegacyHD)
187#define LEGACY_CD_VAR_OFFSET            VAR_OFFSET (LegacyCD)
188#define LEGACY_NET_VAR_OFFSET           VAR_OFFSET (LegacyNET)
189#define LEGACY_BEV_VAR_OFFSET           VAR_OFFSET (LegacyBEV)
190
191#define BOOT_TIME_OUT_QUESTION_ID       QUESTION_ID (BootTimeOut)
192#define BOOT_NEXT_QUESTION_ID           QUESTION_ID (BootNext)
193#define COM1_BAUD_RATE_QUESTION_ID      QUESTION_ID (COM1BaudRate)
194#define COM1_DATA_RATE_QUESTION_ID      QUESTION_ID (COM1DataRate)
195#define COM1_STOP_BITS_QUESTION_ID      QUESTION_ID (COM1StopBits)
196#define COM1_PARITY_QUESTION_ID         QUESTION_ID (COM1Parity)
197#define COM1_TERMINAL_QUESTION_ID       QUESTION_ID (COM2TerminalType)
198#define COM2_BAUD_RATE_QUESTION_ID      QUESTION_ID (COM2BaudRate)
199#define COM2_DATA_RATE_QUESTION_ID      QUESTION_ID (COM2DataRate)
200#define COM2_STOP_BITS_QUESTION_ID      QUESTION_ID (COM2StopBits)
201#define COM2_PARITY_QUESTION_ID         QUESTION_ID (COM2Parity)
202#define COM2_TERMINAL_QUESTION_ID       QUESTION_ID (COM2TerminalType)
203#define DRV_ADD_HANDLE_DESC_QUESTION_ID QUESTION_ID (DriverAddHandleDesc)
204#define DRV_ADD_ACTIVE_QUESTION_ID      QUESTION_ID (DriverAddActive)
205#define DRV_ADD_RECON_QUESTION_ID       QUESTION_ID (DriverAddForceReconnect)
206#define CON_IN_COM1_QUESTION_ID         QUESTION_ID (ConsoleInputCOM1)
207#define CON_IN_COM2_QUESTION_ID         QUESTION_ID (ConsoleInputCOM2)
208#define CON_OUT_COM1_QUESTION_ID        QUESTION_ID (ConsoleOutputCOM1)
209#define CON_OUT_COM2_QUESTION_ID        QUESTION_ID (ConsoleOutputCOM2)
210#define CON_ERR_COM1_QUESTION_ID        QUESTION_ID (ConsoleErrorCOM1)
211#define CON_ERR_COM2_QUESTION_ID        QUESTION_ID (ConsoleErrorCOM2)
212#define CON_MODE_QUESTION_ID            QUESTION_ID (ConsoleOutMode)
213#define CON_IN_DEVICE_QUESTION_ID       QUESTION_ID (ConsoleInCheck)
214#define CON_OUT_DEVICE_QUESTION_ID      QUESTION_ID (ConsoleOutCheck)
215#define CON_ERR_DEVICE_QUESTION_ID      QUESTION_ID (ConsoleErrCheck)
216#define BOOT_OPTION_ORDER_QUESTION_ID   QUESTION_ID (BootOptionOrder)
217#define DRIVER_OPTION_ORDER_QUESTION_ID QUESTION_ID (DriverOptionOrder)
218#define BOOT_OPTION_DEL_QUESTION_ID     QUESTION_ID (BootOptionDel)
219#define DRIVER_OPTION_DEL_QUESTION_ID   QUESTION_ID (DriverOptionDel)
220#define DRIVER_ADD_OPTION_QUESTION_ID   QUESTION_ID (DriverAddHandleOptionalData)
221#define COM_BAUD_RATE_QUESTION_ID       QUESTION_ID (COMBaudRate)
222#define COM_DATA_RATE_QUESTION_ID       QUESTION_ID (COMDataRate)
223#define COM_STOP_BITS_QUESTION_ID       QUESTION_ID (COMStopBits)
224#define COM_PARITY_QUESTION_ID          QUESTION_ID (COMParity)
225#define COM_TERMINAL_QUESTION_ID        QUESTION_ID (COMTerminalType)
226#define COM_FLOWCONTROL_QUESTION_ID     QUESTION_ID (COMFlowControl)
227#define LEGACY_FD_QUESTION_ID           QUESTION_ID (LegacyFD)
228#define LEGACY_HD_QUESTION_ID           QUESTION_ID (LegacyHD)
229#define LEGACY_CD_QUESTION_ID           QUESTION_ID (LegacyCD)
230#define LEGACY_NET_QUESTION_ID          QUESTION_ID (LegacyNET)
231#define LEGACY_BEV_QUESTION_ID          QUESTION_ID (LegacyBEV)
232
233#define STRING_DEPOSITORY_NUMBER        8
234
235///
236/// Serial Ports attributes, first one is the value for
237/// return from callback function, stringtoken is used to
238/// display the value properly
239///
240typedef struct {
241  UINTN   Value;
242  UINT16  StringToken;
243} COM_ATTR;
244
245typedef struct {
246  UINT64                    BaudRate;
247  UINT8                     DataBits;
248  UINT8                     Parity;
249  UINT8                     StopBits;
250
251  UINT8                     BaudRateIndex;
252  UINT8                     DataBitsIndex;
253  UINT8                     ParityIndex;
254  UINT8                     StopBitsIndex;
255
256  UINT8                     FlowControl;
257
258  UINT8                     IsConIn;
259  UINT8                     IsConOut;
260  UINT8                     IsStdErr;
261  UINT8                     TerminalType;
262
263  EFI_DEVICE_PATH_PROTOCOL  *DevicePath;
264} BM_TERMINAL_CONTEXT;
265
266typedef struct {
267  BOOLEAN                   IsBootNext;
268  BOOLEAN                   LoadOptionModified;
269  BOOLEAN                   Deleted;
270
271  BOOLEAN                   IsLegacy;
272  BOOLEAN                   IsActive;
273  BOOLEAN                   ForceReconnect;
274  UINTN                     OptionalDataSize;
275
276  UINTN                     LoadOptionSize;
277  UINT8                     *LoadOption;
278
279  UINT32                    Attributes;
280  UINT16                    FilePathListLength;
281  UINT16                    *Description;
282  EFI_DEVICE_PATH_PROTOCOL  *FilePathList;
283  UINT8                     *OptionalData;
284
285  UINT16                    BbsIndex;
286} BM_LOAD_CONTEXT;
287
288typedef struct {
289  BBS_TABLE *BbsEntry;
290  UINT16    BbsIndex;
291  UINT16    BbsCount;
292  CHAR16    *Description;
293} BM_LEGACY_DEVICE_CONTEXT;
294
295typedef struct {
296
297  BOOLEAN                   IsActive;
298
299  BOOLEAN                   IsTerminal;
300
301  EFI_DEVICE_PATH_PROTOCOL  *DevicePath;
302} BM_CONSOLE_CONTEXT;
303
304typedef struct {
305  UINTN   Column;
306  UINTN   Row;
307} CONSOLE_OUT_MODE;
308
309typedef struct {
310  EFI_HANDLE                        Handle;
311  EFI_DEVICE_PATH_PROTOCOL          *DevicePath;
312  EFI_FILE_HANDLE                   FHandle;
313  UINT16                            *FileName;
314  EFI_FILE_SYSTEM_VOLUME_LABEL      *Info;
315
316  BOOLEAN                           IsRoot;
317  BOOLEAN                           IsDir;
318  BOOLEAN                           IsRemovableMedia;
319  BOOLEAN                           IsLoadFile;
320  BOOLEAN                           IsBootLegacy;
321} BM_FILE_CONTEXT;
322
323typedef struct {
324  EFI_HANDLE                Handle;
325  EFI_DEVICE_PATH_PROTOCOL  *DevicePath;
326} BM_HANDLE_CONTEXT;
327
328typedef struct {
329  UINTN           Signature;
330  LIST_ENTRY      Head;
331  UINTN           MenuNumber;
332} BM_MENU_OPTION;
333
334typedef struct {
335  UINTN           Signature;
336  LIST_ENTRY      Link;
337  UINTN           OptionNumber;
338  UINT16          *DisplayString;
339  UINT16          *HelpString;
340  EFI_STRING_ID   DisplayStringToken;
341  EFI_STRING_ID   HelpStringToken;
342  UINTN           ContextSelection;
343  VOID            *VariableContext;
344} BM_MENU_ENTRY;
345
346typedef struct {
347  //
348  // Shared callback data.
349  //
350  UINTN                          Signature;
351
352  BM_MENU_ENTRY                  *MenuEntry;
353  BM_HANDLE_CONTEXT              *HandleContext;
354  BM_FILE_CONTEXT                *FileContext;
355  BM_LOAD_CONTEXT                *LoadContext;
356  BM_TERMINAL_CONTEXT            *TerminalContext;
357  UINTN                          CurrentTerminal;
358  BBS_TYPE                       BbsType;
359
360  //
361  // BMM main formset callback data.
362  //
363  EFI_HII_HANDLE                 BmmHiiHandle;
364  EFI_HANDLE                     BmmDriverHandle;
365  EFI_HII_CONFIG_ACCESS_PROTOCOL BmmConfigAccess;
366  EFI_FORM_ID                    BmmCurrentPageId;
367  EFI_FORM_ID                    BmmPreviousPageId;
368  BOOLEAN                        BmmAskSaveOrNot;
369  BMM_FAKE_NV_DATA               BmmFakeNvData;
370  BMM_FAKE_NV_DATA               BmmOldFakeNVData;
371
372  //
373  // File explorer formset callback data.
374  //
375  EFI_HII_HANDLE                 FeHiiHandle;
376  EFI_HANDLE                     FeDriverHandle;
377  EFI_HII_CONFIG_ACCESS_PROTOCOL FeConfigAccess;
378  FILE_EXPLORER_STATE            FeCurrentState;
379  FILE_EXPLORER_DISPLAY_CONTEXT  FeDisplayContext;
380  FILE_EXPLORER_NV_DATA          FeFakeNvData;
381} BMM_CALLBACK_DATA;
382
383typedef struct _STRING_LIST_NODE STRING_LIST_NODE;
384
385struct _STRING_LIST_NODE {
386  EFI_STRING_ID             StringToken;
387  STRING_LIST_NODE          *Next;
388};
389
390typedef struct _STRING_DEPOSITORY {
391  UINTN             TotalNodeNumber;
392  STRING_LIST_NODE  *CurrentNode;
393  STRING_LIST_NODE  *ListHead;
394} STRING_DEPOSITORY;
395
396//
397// #pragma pack()
398//
399// For initializing File System menu
400//
401
402/**
403  This function build the FsOptionMenu list which records all
404  available file system in the system. They includes all instances
405  of EFI_SIMPLE_FILE_SYSTEM_PROTOCOL, all instances of EFI_LOAD_FILE_SYSTEM
406  and all type of legacy boot device.
407
408  @param CallbackData    BMM context data
409
410  @retval  EFI_SUCCESS             Success find the file system
411  @retval  EFI_OUT_OF_RESOURCES    Can not create menu entry
412
413**/
414EFI_STATUS
415BOpt_FindFileSystem (
416  IN BMM_CALLBACK_DATA          *CallbackData
417  );
418
419/**
420  Find files under current directory
421  All files and sub-directories in current directory
422  will be stored in DirectoryMenu for future use.
423
424  @param CallbackData  The BMM context data.
425  @param MenuEntry     The Menu Entry.
426
427  @retval EFI_SUCCESS         Get files from current dir successfully.
428  @return Other value if can't get files from current dir.
429
430**/
431EFI_STATUS
432BOpt_FindFiles (
433  IN BMM_CALLBACK_DATA          *CallbackData,
434  IN BM_MENU_ENTRY              *MenuEntry
435  );
436
437/**
438
439  Find drivers that will be added as Driver#### variables from handles
440  in current system environment
441  All valid handles in the system except those consume SimpleFs, LoadFile
442  are stored in DriverMenu for future use.
443
444  @retval EFI_SUCCESS The function complets successfully.
445  @return Other value if failed to build the DriverMenu.
446
447**/
448EFI_STATUS
449BOpt_FindDrivers (
450  VOID
451  );
452
453/**
454
455  Build the BootOptionMenu according to BootOrder Variable.
456  This Routine will access the Boot#### to get EFI_LOAD_OPTION.
457
458  @param CallbackData The BMM context data.
459
460  @return The number of the Var Boot####.
461
462**/
463EFI_STATUS
464BOpt_GetBootOptions (
465  IN  BMM_CALLBACK_DATA         *CallbackData
466  );
467
468/**
469
470  Build up all DriverOptionMenu
471
472  @param CallbackData The BMM context data.
473
474  @return EFI_SUCESS The functin completes successfully.
475  @retval EFI_OUT_OF_RESOURCES Not enough memory to compete the operation.
476
477
478**/
479EFI_STATUS
480BOpt_GetDriverOptions (
481  IN  BMM_CALLBACK_DATA         *CallbackData
482  );
483
484
485/**
486  Build the LegacyFDMenu LegacyHDMenu LegacyCDMenu according to LegacyBios.GetBbsInfo().
487
488  @retval EFI_SUCCESS The function complete successfully.
489  @retval EFI_OUT_OF_RESOURCES No enough memory to complete this function.
490
491**/
492EFI_STATUS
493BOpt_GetLegacyOptions (
494  VOID
495  );
496
497/**
498  Free out resouce allocated from Legacy Boot Options.
499
500**/
501VOID
502BOpt_FreeLegacyOptions (
503  VOID
504  );
505
506/**
507  Free resources allocated in Allocate Rountine.
508
509  @param FreeMenu        Menu to be freed
510
511**/
512VOID
513BOpt_FreeMenu (
514  BM_MENU_OPTION        *FreeMenu
515  );
516
517
518/**
519
520  Append file name to existing file name.
521
522  @param Str1  The existing file name
523  @param Str2  The file name to be appended
524
525  @return Allocate a new string to hold the appended result.
526          Caller is responsible to free the returned string.
527
528**/
529CHAR16*
530BOpt_AppendFileName (
531  IN  CHAR16  *Str1,
532  IN  CHAR16  *Str2
533  );
534
535/**
536
537  Check whether current FileName point to a valid
538  Efi Image File.
539
540  @param FileName  File need to be checked.
541
542  @retval TRUE  Is Efi Image
543  @retval FALSE Not a valid Efi Image
544
545**/
546BOOLEAN
547BOpt_IsEfiImageName (
548  IN UINT16  *FileName
549  );
550
551/**
552
553  Check whether current FileName point to a valid Efi Application
554
555  @param Dir       Pointer to current Directory
556  @param FileName  Pointer to current File name.
557
558  @retval TRUE      Is a valid Efi Application
559  @retval FALSE     not a valid Efi Application
560
561**/
562BOOLEAN
563BOpt_IsEfiApp (
564  IN EFI_FILE_HANDLE Dir,
565  IN UINT16          *FileName
566  );
567
568/**
569
570  Get the Option Number that has not been allocated for use.
571
572  @param Type  The type of Option.
573
574  @return The available Option Number.
575
576**/
577UINT16
578BOpt_GetOptionNumber (
579  CHAR16        *Type
580  );
581
582/**
583
584  Get the Option Number for Boot#### that does not used.
585
586  @return The available Option Number.
587
588**/
589UINT16
590BOpt_GetBootOptionNumber (
591  VOID
592  );
593
594/**
595
596Get the Option Number for Driver#### that does not used.
597
598@return The unused Option Number.
599
600**/
601UINT16
602BOpt_GetDriverOptionNumber (
603  VOID
604  );
605
606/**
607  Create a menu entry give a Menu type.
608
609  @param MenuType        The Menu type to be created.
610
611
612  @retval NULL           If failed to create the menu.
613  @return                The menu.
614
615**/
616BM_MENU_ENTRY                     *
617BOpt_CreateMenuEntry (
618  UINTN           MenuType
619  );
620
621/**
622  Free up all resource allocated for a BM_MENU_ENTRY.
623
624  @param MenuEntry   A pointer to BM_MENU_ENTRY.
625
626**/
627VOID
628BOpt_DestroyMenuEntry (
629  BM_MENU_ENTRY         *MenuEntry
630  );
631
632/**
633  Get the Menu Entry from the list in Menu Entry List.
634
635  If MenuNumber is great or equal to the number of Menu
636  Entry in the list, then ASSERT.
637
638  @param MenuOption      The Menu Entry List to read the menu entry.
639  @param MenuNumber      The index of Menu Entry.
640
641  @return The Menu Entry.
642
643**/
644BM_MENU_ENTRY                     *
645BOpt_GetMenuEntry (
646  BM_MENU_OPTION      *MenuOption,
647  UINTN               MenuNumber
648  );
649
650//
651// Locate all serial io devices for console
652//
653/**
654  Build a list containing all serial devices.
655
656  @retval EFI_SUCCESS The function complete successfully.
657  @retval EFI_UNSUPPORTED No serial ports present.
658
659**/
660EFI_STATUS
661LocateSerialIo (
662  VOID
663  );
664
665//
666// Initializing Console menu
667//
668/**
669  Build up ConsoleOutMenu, ConsoleInpMenu and ConsoleErrMenu
670
671  @retval EFI_SUCCESS    The function always complete successfully.
672
673**/
674EFI_STATUS
675GetAllConsoles(
676  VOID
677  );
678
679//
680// Get current mode information
681//
682/**
683  Get mode number according to column and row
684
685  @param CallbackData    The BMM context data.
686**/
687VOID
688GetConsoleOutMode (
689  IN  BMM_CALLBACK_DATA    *CallbackData
690  );
691
692//
693// Cleaning up console menu
694//
695/**
696  Free ConsoleOutMenu, ConsoleInpMenu and ConsoleErrMenu
697
698  @retval EFI_SUCCESS    The function always complete successfully.
699**/
700EFI_STATUS
701FreeAllConsoles (
702  VOID
703  );
704
705/**
706  Update the device path that describing a terminal device
707  based on the new BaudRate, Data Bits, parity and Stop Bits
708  set.
709
710  @param DevicePath     The devicepath protocol instance wanted to be updated.
711
712**/
713VOID
714ChangeVariableDevicePath (
715  IN OUT EFI_DEVICE_PATH_PROTOCOL  *DevicePath
716  );
717
718/**
719  Update the multi-instance device path of Terminal Device based on
720  the global TerminalMenu. If ChangeTernimal is TRUE, the terminal
721  device path in the Terminal Device in TerminalMenu is also updated.
722
723  @param DevicePath      The multi-instance device path.
724  @param ChangeTerminal  TRUE, then device path in the Terminal Device
725                         in TerminalMenu is also updated; FALSE, no update.
726
727  @return EFI_SUCCESS    The function completes successfully.
728
729**/
730EFI_STATUS
731ChangeTerminalDevicePath (
732  IN OUT EFI_DEVICE_PATH_PROTOCOL  **DevicePath,
733  IN BOOLEAN                   ChangeTerminal
734  );
735
736//
737// Variable operation by menu selection
738//
739/**
740  This function create a currently loaded Boot Option from
741  the BMM. It then appends this Boot Option to the end of
742  the "BootOrder" list. It also append this Boot Opotion to the end
743  of BootOptionMenu.
744
745  @param CallbackData           The BMM context data.
746  @param NvRamMap               The file explorer formset internal state.
747
748  @retval EFI_OUT_OF_RESOURCES  If not enought memory to complete the operation.
749  @retval EFI_SUCCESS           If function completes successfully.
750
751**/
752EFI_STATUS
753Var_UpdateBootOption (
754  IN  BMM_CALLBACK_DATA                   *CallbackData,
755  IN  FILE_EXPLORER_NV_DATA               *NvRamMap
756  );
757
758/**
759  Delete Boot Option that represent a Deleted state in BootOptionMenu.
760  After deleting this boot option, call Var_ChangeBootOrder to
761  make sure BootOrder is in valid state.
762
763  @retval EFI_SUCCESS   If all boot load option EFI Variables corresponding to
764                        BM_LOAD_CONTEXT marked for deletion is deleted
765  @return Others        If failed to update the "BootOrder" variable after deletion.
766
767**/
768EFI_STATUS
769Var_DelBootOption (
770  VOID
771  );
772
773/**
774  After any operation on Boot####, there will be a discrepancy in BootOrder.
775  Since some are missing but in BootOrder, while some are present but are
776  not reflected by BootOrder. Then a function rebuild BootOrder from
777  scratch by content from BootOptionMenu is needed.
778
779  @retval  EFI_SUCCESS  The boot order is updated successfully.
780  @return  other than EFI_SUCCESS if failed to change the "BootOrder" EFI Variable.
781
782**/
783EFI_STATUS
784Var_ChangeBootOrder (
785  VOID
786  );
787
788/**
789  This function create a currently loaded Drive Option from
790  the BMM. It then appends this Driver Option to the end of
791  the "DriverOrder" list. It append this Driver Opotion to the end
792  of DriverOptionMenu.
793
794  @param CallbackData    The BMM context data.
795  @param HiiHandle       The HII handle associated with the BMM formset.
796  @param DescriptionData The description of this driver option.
797  @param OptionalData    The optional load option.
798  @param ForceReconnect  If to force reconnect.
799
800  @retval EFI_OUT_OF_RESOURCES If not enought memory to complete the operation.
801  @retval EFI_SUCCESS          If function completes successfully.
802
803**/
804EFI_STATUS
805Var_UpdateDriverOption (
806  IN  BMM_CALLBACK_DATA         *CallbackData,
807  IN  EFI_HII_HANDLE            HiiHandle,
808  IN  UINT16                    *DescriptionData,
809  IN  UINT16                    *OptionalData,
810  IN  UINT8                     ForceReconnect
811  );
812
813/**
814  Delete Load Option that represent a Deleted state in BootOptionMenu.
815  After deleting this Driver option, call Var_ChangeDriverOrder to
816  make sure DriverOrder is in valid state.
817
818  @retval EFI_SUCCESS Load Option is successfully updated.
819  @return Other value than EFI_SUCCESS if failed to update "Driver Order" EFI
820          Variable.
821
822**/
823EFI_STATUS
824Var_DelDriverOption (
825  VOID
826  );
827
828/**
829  After any operation on Driver####, there will be a discrepancy in
830  DriverOrder. Since some are missing but in DriverOrder, while some
831  are present but are not reflected by DriverOrder. Then a function
832  rebuild DriverOrder from scratch by content from DriverOptionMenu is
833  needed.
834
835  @retval  EFI_SUCCESS  The driver order is updated successfully.
836  @return  other than EFI_SUCCESS if failed to set the "DriverOrder" EFI Variable.
837
838**/
839EFI_STATUS
840Var_ChangeDriverOrder (
841  VOID
842  );
843
844/**
845  This function delete and build multi-instance device path ConIn
846  console device.
847
848  @retval EFI_SUCCESS    The function complete successfully.
849  @return The EFI variable can not be saved. See gRT->SetVariable for detail return information.
850**/
851EFI_STATUS
852Var_UpdateConsoleInpOption (
853  VOID
854  );
855
856/**
857  This function delete and build multi-instance device path ConOut console device.
858
859  @retval EFI_SUCCESS    The function complete successfully.
860  @return The EFI variable can not be saved. See gRT->SetVariable for detail return information.
861**/
862EFI_STATUS
863Var_UpdateConsoleOutOption (
864  VOID
865  );
866
867/**
868  This function delete and build multi-instance device path ErrOut console device.
869
870  @retval EFI_SUCCESS    The function complete successfully.
871  @return The EFI variable can not be saved. See gRT->SetVariable for detail return information.
872**/
873EFI_STATUS
874Var_UpdateErrorOutOption (
875  VOID
876  );
877
878/**
879  Update the device path of "ConOut", "ConIn" and "ErrOut" based on the new BaudRate, Data Bits,
880  parity and stop Bits set.
881
882**/
883VOID
884Var_UpdateAllConsoleOption (
885  VOID
886  );
887
888/**
889  This function update the "BootNext" EFI Variable. If there is no "BootNex" specified in BMM,
890  this EFI Variable is deleted.
891  It also update the BMM context data specified the "BootNext" value.
892
893  @param CallbackData    The BMM context data.
894
895  @retval EFI_SUCCESS    The function complete successfully.
896  @return The EFI variable can not be saved. See gRT->SetVariable for detail return information.
897
898**/
899EFI_STATUS
900Var_UpdateBootNext (
901  IN BMM_CALLBACK_DATA            *CallbackData
902  );
903
904/**
905  This function update the "BootOrder" EFI Variable based on BMM Formset's NV map. It then refresh
906  BootOptionMenu with the new "BootOrder" list.
907
908  @param CallbackData           The BMM context data.
909
910  @retval EFI_SUCCESS           The function complete successfully.
911  @retval EFI_OUT_OF_RESOURCES  Not enough memory to complete the function.
912  @return not The EFI variable can not be saved. See gRT->SetVariable for detail return information.
913
914**/
915EFI_STATUS
916Var_UpdateBootOrder (
917  IN BMM_CALLBACK_DATA            *CallbackData
918  );
919
920/**
921  This function update the "DriverOrder" EFI Variable based on
922  BMM Formset's NV map. It then refresh DriverOptionMenu
923  with the new "DriverOrder" list.
924
925  @param CallbackData    The BMM context data.
926
927  @retval EFI_SUCCESS           The function complete successfully.
928  @retval EFI_OUT_OF_RESOURCES  Not enough memory to complete the function.
929  @return The EFI variable can not be saved. See gRT->SetVariable for detail return information.
930
931**/
932EFI_STATUS
933Var_UpdateDriverOrder (
934  IN BMM_CALLBACK_DATA            *CallbackData
935  );
936
937/**
938  Update the legacy BBS boot option. VAR_LEGACY_DEV_ORDER and gEfiLegacyDevOrderVariableGuid EFI Variable
939  is udpated with the new Legacy Boot order. The EFI Variable of "Boot####" and gEfiGlobalVariableGuid
940  is also updated.
941
942  @param CallbackData    The context data for BMM.
943  @param FormId          The form id.
944
945  @return EFI_SUCCESS    The function completed successfully.
946  @retval EFI_NOT_FOUND  If VAR_LEGACY_DEV_ORDER and gEfiLegacyDevOrderVariableGuid EFI Variable can not be found.
947
948**/
949EFI_STATUS
950Var_UpdateBBSOption (
951  IN BMM_CALLBACK_DATA            *CallbackData,
952  IN EFI_FORM_ID                  FormId
953  );
954
955/**
956  Update the Text Mode of Console.
957
958  @param CallbackData  The context data for BMM.
959
960  @retval EFI_SUCCSS If the Text Mode of Console is updated.
961  @return Other value if the Text Mode of Console is not updated.
962
963**/
964EFI_STATUS
965Var_UpdateConMode (
966  IN BMM_CALLBACK_DATA            *CallbackData
967  );
968
969//
970// Following are page create and refresh functions
971//
972/**
973  Refresh the global UpdateData structure.
974
975**/
976VOID
977RefreshUpdateData (
978  VOID
979  );
980
981/**
982  Clean up the dynamic opcode at label and form specified by
983  both LabelId.
984
985  @param LabelId         It is both the Form ID and Label ID for
986                         opcode deletion.
987  @param CallbackData    The BMM context data.
988
989**/
990VOID
991CleanUpPage (
992  IN UINT16                           LabelId,
993  IN BMM_CALLBACK_DATA                *CallbackData
994  );
995
996/**
997  Create a lit of boot option from global BootOptionMenu. It
998  allow user to delete the boot option.
999
1000  @param CallbackData    The BMM context data.
1001
1002**/
1003VOID
1004UpdateBootDelPage (
1005  IN BMM_CALLBACK_DATA                *CallbackData
1006  );
1007
1008/**
1009  Create a lit of driver option from global DriverMenu.
1010
1011  @param CallbackData    The BMM context data.
1012**/
1013VOID
1014UpdateDrvAddHandlePage (
1015  IN BMM_CALLBACK_DATA                *CallbackData
1016  );
1017
1018/**
1019  Create a lit of driver option from global DriverOptionMenu. It
1020  allow user to delete the driver option.
1021
1022  @param CallbackData    The BMM context data.
1023**/
1024VOID
1025UpdateDrvDelPage (
1026  IN BMM_CALLBACK_DATA                *CallbackData
1027  );
1028
1029/**
1030  Prepare the page to allow user to add description for a Driver Option.
1031
1032  @param CallbackData    The BMM context data.
1033**/
1034VOID
1035UpdateDriverAddHandleDescPage (
1036  IN BMM_CALLBACK_DATA                *CallbackData
1037  );
1038
1039/**
1040  Dispatch the correct update page function to call based on the UpdatePageId.
1041
1042  @param UpdatePageId    The form ID.
1043  @param CallbackData    The BMM context data.
1044**/
1045VOID
1046UpdatePageBody (
1047  IN UINT16                           UpdatePageId,
1048  IN BMM_CALLBACK_DATA                *CallbackData
1049  );
1050
1051/**
1052  Create the dynamic page to allow user to set the "BootNext" vaule.
1053
1054  @param CallbackData    The BMM context data.
1055**/
1056VOID
1057UpdateBootNextPage (
1058  IN BMM_CALLBACK_DATA                *CallbackData
1059  );
1060
1061/**
1062  Create the dynamic page to allow user to set the "TimeOut" vaule.
1063
1064  @param CallbackData    The BMM context data.
1065**/
1066VOID
1067UpdateTimeOutPage (
1068  IN BMM_CALLBACK_DATA                *CallbackData
1069  );
1070
1071/**
1072  Create the dynamic page which allows user to set the property such as Baud Rate, Data Bits,
1073  Parity, Stop Bits, Terminal Type.
1074
1075  @param CallbackData    The BMM context data.
1076**/
1077VOID
1078UpdateTerminalPage (
1079  IN BMM_CALLBACK_DATA                *CallbackData
1080  );
1081
1082/**
1083  Refresh the text mode page
1084
1085  @param CallbackData    The BMM context data.
1086**/
1087VOID
1088UpdateConModePage (
1089  IN BMM_CALLBACK_DATA                *CallbackData
1090  );
1091
1092/**
1093  Create a list of Goto Opcode for all terminal devices logged
1094  by TerminaMenu. This list will be inserted to form FORM_CON_COM_SETUP_ID.
1095
1096  @param CallbackData    The BMM context data.
1097**/
1098VOID
1099UpdateConCOMPage (
1100  IN BMM_CALLBACK_DATA                *CallbackData
1101  );
1102
1103/**
1104  Create a dynamic page so that Legacy Device boot order
1105  can be set for specified device type.
1106
1107  @param UpdatePageId    The form ID. It also spefies the legacy device type.
1108  @param CallbackData    The BMM context data.
1109**/
1110VOID
1111UpdateSetLegacyDeviceOrderPage (
1112  IN UINT16                           UpdatePageId,
1113  IN BMM_CALLBACK_DATA                *CallbackData
1114  );
1115
1116
1117/**
1118  Function opens and returns a file handle to the root directory of a volume.
1119
1120  @param DeviceHandle    A handle for a device
1121  @return A valid file handle or NULL is returned
1122**/
1123EFI_FILE_HANDLE
1124EfiLibOpenRoot (
1125  IN EFI_HANDLE       DeviceHandle
1126  );
1127
1128/**
1129  Function gets the file system information from an open file descriptor,
1130  and stores it in a buffer allocated from pool.
1131
1132  @param FHand           The file handle.
1133
1134  @return                A pointer to a buffer with file information.
1135                         NULL is returned if failed to get Vaolume Label Info.
1136**/
1137EFI_FILE_SYSTEM_VOLUME_LABEL *
1138EfiLibFileSystemVolumeLabelInfo (
1139  IN EFI_FILE_HANDLE      FHand
1140  );
1141
1142/**
1143
1144  Function gets the file information from an open file descriptor, and stores it
1145  in a buffer allocated from pool.
1146
1147  @param FHand           File Handle.
1148
1149  @return                A pointer to a buffer with file information or NULL is returned
1150
1151**/
1152EFI_FILE_INFO *
1153EfiLibFileInfo (
1154  IN EFI_FILE_HANDLE      FHand
1155  );
1156
1157/**
1158  Adjusts the size of a previously allocated buffer.
1159
1160  @param OldPool         A pointer to the buffer whose size is being adjusted.
1161  @param OldSize         The size of the current buffer.
1162  @param NewSize         The size of the new buffer.
1163
1164  @return   The newly allocated buffer. if NULL, allocation failed.
1165
1166**/
1167VOID*
1168EfiReallocatePool (
1169  IN VOID                 *OldPool,
1170  IN UINTN                OldSize,
1171  IN UINTN                NewSize
1172  );
1173
1174/**
1175  Function deletes the variable specified by VarName and VarGuid.
1176
1177
1178  @param VarName            A Null-terminated Unicode string that is
1179                            the name of the vendor's variable.
1180
1181  @param VarGuid            A unique identifier for the vendor.
1182
1183  @retval  EFI_SUCCESS           The variable was found and removed
1184  @retval  EFI_UNSUPPORTED       The variable store was inaccessible
1185  @retval  EFI_OUT_OF_RESOURCES  The temporary buffer was not available
1186  @retval  EFI_NOT_FOUND         The variable was not found
1187
1188**/
1189EFI_STATUS
1190EfiLibDeleteVariable (
1191  IN CHAR16   *VarName,
1192  IN EFI_GUID *VarGuid
1193  );
1194
1195/**
1196  Duplicate a string.
1197
1198  @param Src             The source.
1199
1200  @return A new string which is duplicated copy of the source.
1201  @retval NULL If there is not enough memory.
1202
1203**/
1204CHAR16                            *
1205EfiStrDuplicate (
1206  IN CHAR16   *Src
1207  );
1208
1209/**
1210  Function is used to determine the number of device path instances
1211  that exist in a device path.
1212
1213
1214  @param DevicePath      A pointer to a device path data structure.
1215
1216  @return This function counts and returns the number of device path instances
1217          in DevicePath.
1218
1219**/
1220UINTN
1221EfiDevicePathInstanceCount (
1222  IN EFI_DEVICE_PATH_PROTOCOL      *DevicePath
1223  );
1224
1225/**
1226  Create string tokens for a menu from its help strings and display strings
1227
1228
1229  @param CallbackData    The BMM context data.
1230  @param HiiHandle       Hii Handle of the package to be updated.
1231  @param MenuOption      The Menu whose string tokens need to be created
1232
1233  @retval  EFI_SUCCESS      string tokens created successfully
1234  @retval  others           contain some errors
1235
1236**/
1237EFI_STATUS
1238CreateMenuStringToken (
1239  IN BMM_CALLBACK_DATA                *CallbackData,
1240  IN EFI_HII_HANDLE                   HiiHandle,
1241  IN BM_MENU_OPTION                   *MenuOption
1242  );
1243
1244/**
1245  Get a string from the Data Hub record based on
1246  a device path.
1247
1248  @param DevPath         The device Path.
1249
1250  @return A string located from the Data Hub records based on
1251          the device path.
1252  @retval NULL  If failed to get the String from Data Hub.
1253
1254**/
1255UINT16 *
1256EfiLibStrFromDatahub (
1257  IN EFI_DEVICE_PATH_PROTOCOL                 *DevPath
1258  );
1259
1260/**
1261  Initialize the Boot Maintenance Utitliy.
1262
1263  @retval  EFI_SUCCESS      utility ended successfully.
1264  @retval  others           contain some errors.
1265
1266**/
1267EFI_STATUS
1268InitializeBM (
1269  VOID
1270  );
1271
1272/**
1273  Start boot maintenance manager
1274
1275  @retval EFI_SUCCESS If BMM is invoked successfully.
1276  @return Other value if BMM return unsuccessfully.
1277
1278**/
1279EFI_STATUS
1280BdsStartBootMaint (
1281  VOID
1282  );
1283
1284/**
1285  Intialize all the string depositories.
1286
1287**/
1288VOID
1289InitializeStringDepository (
1290  VOID
1291  );
1292
1293/**
1294  Fetch a usable string node from the string depository and return the string token.
1295
1296
1297  @param CallbackData       The BMM context data.
1298  @param StringDepository   Pointer of the string depository.
1299
1300  @retval  EFI_STRING_ID    String token.
1301
1302**/
1303EFI_STRING_ID
1304GetStringTokenFromDepository (
1305  IN   BMM_CALLBACK_DATA     *CallbackData,
1306  IN   STRING_DEPOSITORY     *StringDepository
1307  );
1308
1309/**
1310  Reclaim string depositories by moving the current node pointer to list head..
1311**/
1312VOID
1313ReclaimStringDepository (
1314  VOID
1315  );
1316
1317/**
1318  Release resource for all the string depositories.
1319
1320**/
1321VOID
1322CleanUpStringDepository (
1323  VOID
1324  );
1325
1326/**
1327  Function handling request to apply changes for BMM pages.
1328
1329  @param Private            Pointer to callback data buffer.
1330  @param CurrentFakeNVMap   Pointer to buffer holding data of various values used by BMM
1331  @param FormId             ID of the form which has sent the request to apply change.
1332
1333  @retval  EFI_SUCCESS      Change successfully applied.
1334  @retval  Other            Error occurs while trying to apply changes.
1335
1336**/
1337EFI_STATUS
1338ApplyChangeHandler (
1339  IN  BMM_CALLBACK_DATA               *Private,
1340  IN  BMM_FAKE_NV_DATA                *CurrentFakeNVMap,
1341  IN  EFI_FORM_ID                     FormId
1342  );
1343
1344/**
1345  Discard all changes done to the BMM pages such as Boot Order change,
1346  Driver order change.
1347
1348  @param Private         The BMM context data.
1349  @param CurrentFakeNVMap The current Fack NV Map.
1350
1351**/
1352VOID
1353DiscardChangeHandler (
1354  IN  BMM_CALLBACK_DATA               *Private,
1355  IN  BMM_FAKE_NV_DATA                *CurrentFakeNVMap
1356  );
1357
1358/**
1359  Dispatch the display to the next page based on NewPageId.
1360
1361  @param Private         The BMM context data.
1362  @param NewPageId       The original page ID.
1363
1364**/
1365VOID
1366UpdatePageId (
1367  BMM_CALLBACK_DATA              *Private,
1368  UINT16                         NewPageId
1369  );
1370
1371/**
1372  Boot a file selected by user at File Expoloer of BMM.
1373
1374  @param FileContext     The file context data, which contains the device path
1375                         of the file to be boot from.
1376
1377  @retval EFI_SUCCESS    The function completed successfull.
1378  @return                 Other value if the boot from the file fails.
1379
1380**/
1381EFI_STATUS
1382BootThisFile (
1383  IN BM_FILE_CONTEXT                   *FileContext
1384  );
1385
1386/**
1387  Update the file explower page with the refershed file system.
1388
1389
1390  @param CallbackData    BMM context data
1391  @param KeyValue        Key value to identify the type of data to expect.
1392
1393  @retval  TRUE           Inform the caller to create a callback packet to exit file explorer.
1394  @retval  FALSE          Indicate that there is no need to exit file explorer.
1395
1396**/
1397BOOLEAN
1398UpdateFileExplorer (
1399  IN BMM_CALLBACK_DATA            *CallbackData,
1400  IN UINT16                       KeyValue
1401  );
1402
1403/**
1404  This function processes the results of changes in configuration.
1405  When user select a interactive opcode, this callback will be triggered.
1406  Based on the Question(QuestionId) that triggers the callback, the corresponding
1407  actions is performed. It handles:
1408
1409  1) the addition of boot option.
1410  2) the addition of driver option.
1411  3) exit from file browser
1412  4) update of file content if a dir is selected.
1413  5) boot the file if a file is selected in "boot from file"
1414
1415
1416  @param This            Points to the EFI_HII_CONFIG_ACCESS_PROTOCOL.
1417  @param Action          Specifies the type of action taken by the browser.
1418  @param QuestionId      A unique value which is sent to the original exporting driver
1419                         so that it can identify the type of data to expect.
1420  @param Type            The type of value for the question.
1421  @param Value           A pointer to the data being sent to the original exporting driver.
1422  @param ActionRequest   On return, points to the action requested by the callback function.
1423
1424  @retval  EFI_SUCCESS           The callback successfully handled the action.
1425  @retval  EFI_OUT_OF_RESOURCES  Not enough storage is available to hold the variable and its data.
1426  @retval  EFI_DEVICE_ERROR      The variable could not be saved.
1427  @retval  EFI_UNSUPPORTED       The specified Action is not supported by the callback.
1428
1429**/
1430EFI_STATUS
1431EFIAPI
1432FileExplorerCallback (
1433  IN  CONST EFI_HII_CONFIG_ACCESS_PROTOCOL   *This,
1434  IN  EFI_BROWSER_ACTION                     Action,
1435  IN  EFI_QUESTION_ID                        QuestionId,
1436  IN  UINT8                                  Type,
1437  IN  EFI_IFR_TYPE_VALUE                     *Value,
1438  OUT EFI_BROWSER_ACTION_REQUEST             *ActionRequest
1439  );
1440
1441/**
1442  This function applies changes in a driver's configuration.
1443  Input is a Configuration, which has the routing data for this
1444  driver followed by name / value configuration pairs. The driver
1445  must apply those pairs to its configurable storage. If the
1446  driver's configuration is stored in a linear block of data
1447  and the driver's name / value pairs are in <BlockConfig>
1448  format, it may use the ConfigToBlock helper function (above) to
1449  simplify the job. Currently not implemented.
1450
1451  @param[in]  This                Points to the EFI_HII_CONFIG_ACCESS_PROTOCOL.
1452  @param[in]  Configuration       A null-terminated Unicode string in
1453                                  <ConfigString> format.
1454  @param[out] Progress            A pointer to a string filled in with the
1455                                  offset of the most recent '&' before the
1456                                  first failing name / value pair (or the
1457                                  beginn ing of the string if the failure
1458                                  is in the first name / value pair) or
1459                                  the terminating NULL if all was
1460                                  successful.
1461
1462  @retval EFI_SUCCESS             The results have been distributed or are
1463                                  awaiting distribution.
1464  @retval EFI_OUT_OF_RESOURCES    Not enough memory to store the
1465                                  parts of the results that must be
1466                                  stored awaiting possible future
1467                                  protocols.
1468  @retval EFI_INVALID_PARAMETERS  Passing in a NULL for the
1469                                  Results parameter would result
1470                                  in this type of error.
1471  @retval EFI_NOT_FOUND           Target for the specified routing data
1472                                  was not found.
1473**/
1474EFI_STATUS
1475EFIAPI
1476FileExplorerRouteConfig (
1477  IN CONST EFI_HII_CONFIG_ACCESS_PROTOCOL *This,
1478  IN CONST EFI_STRING                     Configuration,
1479  OUT EFI_STRING                          *Progress
1480  );
1481
1482/**
1483  Dispatch BMM formset and FileExplorer formset.
1484
1485
1486  @param CallbackData    The BMM context data.
1487
1488  @retval EFI_SUCCESS If function complete successfully.
1489  @return Other value if the Setup Browser process BMM's pages and
1490           return unsuccessfully.
1491
1492**/
1493EFI_STATUS
1494FormSetDispatcher (
1495  IN  BMM_CALLBACK_DATA    *CallbackData
1496  );
1497
1498/**
1499  Function returns the value of the specified variable.
1500
1501  @param Name            A Null-terminated Unicode string that is
1502                         the name of the vendor's variable.
1503  @param VendorGuid      A unique identifier for the vendor.
1504
1505  @return               The payload of the variable.
1506  @retval NULL          If the variable can't be read.
1507
1508**/
1509VOID *
1510EfiLibGetVariable (
1511  IN CHAR16               *Name,
1512  IN EFI_GUID             *VendorGuid
1513  );
1514
1515/**
1516  Get option number according to Boot#### and BootOrder variable.
1517  The value is saved as #### + 1.
1518
1519  @param CallbackData    The BMM context data.
1520**/
1521VOID
1522GetBootOrder (
1523  IN  BMM_CALLBACK_DATA    *CallbackData
1524  );
1525
1526/**
1527  Get driver option order from globalc DriverOptionMenu.
1528
1529  @param CallbackData    The BMM context data.
1530
1531**/
1532VOID
1533GetDriverOrder (
1534  IN  BMM_CALLBACK_DATA    *CallbackData
1535  );
1536
1537/**
1538  Intall BootMaint and FileExplorer HiiPackages.
1539
1540**/
1541EFI_STATUS
1542InitBMPackage (
1543  VOID
1544  );
1545
1546/**
1547  Remvoe the intalled BootMaint and FileExplorer HiiPackages.
1548
1549**/
1550VOID
1551FreeBMPackage (
1552  VOID
1553  );
1554
1555/**
1556  According to LegacyDevOrder variable to get legacy FD\HD\CD\NET\BEV
1557  devices list .
1558
1559  @param CallbackData    The BMM context data.
1560**/
1561VOID
1562GetLegacyDeviceOrder (
1563  IN  BMM_CALLBACK_DATA    *CallbackData
1564  );
1565
1566/**
1567
1568  Initialize console input device check box to ConsoleInCheck[MAX_MENU_NUMBER]
1569  in BMM_FAKE_NV_DATA structure.
1570
1571  @param CallbackData    The BMM context data.
1572
1573**/
1574VOID
1575GetConsoleInCheck (
1576  IN  BMM_CALLBACK_DATA    *CallbackData
1577  );
1578
1579/**
1580
1581  Initialize console output device check box to ConsoleOutCheck[MAX_MENU_NUMBER]
1582  in BMM_FAKE_NV_DATA structure.
1583
1584  @param CallbackData    The BMM context data.
1585
1586**/
1587VOID
1588GetConsoleOutCheck (
1589  IN  BMM_CALLBACK_DATA    *CallbackData
1590  );
1591
1592/**
1593
1594  Initialize standard error output device check box to ConsoleErrCheck[MAX_MENU_NUMBER]
1595  in BMM_FAKE_NV_DATA structure.
1596
1597  @param CallbackData    The BMM context data.
1598
1599**/
1600VOID
1601GetConsoleErrCheck (
1602  IN  BMM_CALLBACK_DATA    *CallbackData
1603  );
1604
1605/**
1606
1607  Initialize terminal attributes (baudrate, data rate, stop bits, parity and terminal type)
1608  to BMM_FAKE_NV_DATA structure.
1609
1610  @param CallbackData    The BMM context data.
1611
1612**/
1613VOID
1614GetTerminalAttribute (
1615  IN  BMM_CALLBACK_DATA    *CallbackData
1616  );
1617
1618/**
1619
1620  Find the first instance of this Protocol
1621  in the system and return it's interface.
1622
1623
1624  @param ProtocolGuid    Provides the protocol to search for
1625  @param Interface       On return, a pointer to the first interface
1626                         that matches ProtocolGuid
1627
1628  @retval  EFI_SUCCESS      A protocol instance matching ProtocolGuid was found
1629  @retval  EFI_NOT_FOUND    No protocol instances were found that match ProtocolGuid
1630
1631**/
1632EFI_STATUS
1633EfiLibLocateProtocol (
1634  IN  EFI_GUID    *ProtocolGuid,
1635  OUT VOID        **Interface
1636  );
1637
1638//
1639// Global variable in this program (defined in data.c)
1640//
1641extern BM_MENU_OPTION             BootOptionMenu;
1642extern BM_MENU_OPTION             DriverOptionMenu;
1643extern BM_MENU_OPTION             FsOptionMenu;
1644extern BM_MENU_OPTION             ConsoleInpMenu;
1645extern BM_MENU_OPTION             ConsoleOutMenu;
1646extern BM_MENU_OPTION             ConsoleErrMenu;
1647extern BM_MENU_OPTION             DirectoryMenu;
1648extern BM_MENU_OPTION             DriverMenu;
1649extern BM_MENU_OPTION             TerminalMenu;
1650extern BM_MENU_OPTION             LegacyFDMenu;
1651extern BM_MENU_OPTION             LegacyHDMenu;
1652extern BM_MENU_OPTION             LegacyCDMenu;
1653extern BM_MENU_OPTION             LegacyNETMenu;
1654extern BM_MENU_OPTION             LegacyBEVMenu;
1655extern UINT16                     TerminalType[];
1656extern COM_ATTR                   BaudRateList[19];
1657extern COM_ATTR                   DataBitsList[4];
1658extern COM_ATTR                   ParityList[5];
1659extern COM_ATTR                   StopBitsList[3];
1660extern EFI_GUID                   TerminalTypeGuid[4];
1661extern STRING_DEPOSITORY          *FileOptionStrDepository;
1662extern STRING_DEPOSITORY          *ConsoleOptionStrDepository;
1663extern STRING_DEPOSITORY          *BootOptionStrDepository;
1664extern STRING_DEPOSITORY          *BootOptionHelpStrDepository;
1665extern STRING_DEPOSITORY          *DriverOptionStrDepository;
1666extern STRING_DEPOSITORY          *DriverOptionHelpStrDepository;
1667extern STRING_DEPOSITORY          *TerminalStrDepository;
1668extern EFI_DEVICE_PATH_PROTOCOL   EndDevicePath[];
1669extern UINT16                     mFlowControlType[2];
1670extern UINT32                     mFlowControlValue[2];
1671//
1672// Shared IFR form update data
1673//
1674extern VOID                        *mStartOpCodeHandle;
1675extern VOID                        *mEndOpCodeHandle;
1676extern EFI_IFR_GUID_LABEL          *mStartLabel;
1677extern EFI_IFR_GUID_LABEL          *mEndLabel;
1678
1679#endif
1680