1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
|
/** @file
HII Config Access protocol implementation of RamDiskDxe driver.
Copyright (c) 2016, Intel Corporation. All rights reserved.<BR>
(C) Copyright 2016-2018 Hewlett Packard Enterprise Development LP<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#include "RamDiskImpl.h"
CHAR16 mRamDiskStorageName[] = L"RAM_DISK_CONFIGURATION";
RAM_DISK_CONFIG_PRIVATE_DATA mRamDiskConfigPrivateDataTemplate = {
RAM_DISK_CONFIG_PRIVATE_DATA_SIGNATURE,
{
EFI_PAGE_SIZE,
RAM_DISK_BOOT_SERVICE_DATA_MEMORY
},
{
RamDiskExtractConfig,
RamDiskRouteConfig,
RamDiskCallback
}
};
HII_VENDOR_DEVICE_PATH mRamDiskHiiVendorDevicePath = {
{
{
HARDWARE_DEVICE_PATH,
HW_VENDOR_DP,
{
(UINT8) (sizeof (VENDOR_DEVICE_PATH)),
(UINT8) ((sizeof (VENDOR_DEVICE_PATH)) >> 8)
}
},
RAM_DISK_FORM_SET_GUID
},
{
END_DEVICE_PATH_TYPE,
END_ENTIRE_DEVICE_PATH_SUBTYPE,
{
(UINT8) (END_DEVICE_PATH_LENGTH),
(UINT8) ((END_DEVICE_PATH_LENGTH) >> 8)
}
}
};
/**
This function publish the RAM disk configuration Form.
@param[in, out] ConfigPrivateData
Points to RAM disk configuration private data.
@retval EFI_SUCCESS HII Form is installed successfully.
@retval EFI_OUT_OF_RESOURCES Not enough resource for HII Form installation.
@retval Others Other errors as indicated.
**/
EFI_STATUS
InstallRamDiskConfigForm (
IN OUT RAM_DISK_CONFIG_PRIVATE_DATA *ConfigPrivateData
)
{
EFI_STATUS Status;
EFI_HII_HANDLE HiiHandle;
EFI_HANDLE DriverHandle;
EFI_HII_CONFIG_ACCESS_PROTOCOL *ConfigAccess;
DriverHandle = NULL;
ConfigAccess = &ConfigPrivateData->ConfigAccess;
Status = gBS->InstallMultipleProtocolInterfaces (
&DriverHandle,
&gEfiDevicePathProtocolGuid,
&mRamDiskHiiVendorDevicePath,
&gEfiHiiConfigAccessProtocolGuid,
ConfigAccess,
NULL
);
if (EFI_ERROR (Status)) {
return Status;
}
ConfigPrivateData->DriverHandle = DriverHandle;
//
// Publish the HII package list
//
HiiHandle = HiiAddPackages (
&gRamDiskFormSetGuid,
DriverHandle,
RamDiskDxeStrings,
RamDiskHiiBin,
NULL
);
if (HiiHandle == NULL) {
gBS->UninstallMultipleProtocolInterfaces (
DriverHandle,
&gEfiDevicePathProtocolGuid,
&mRamDiskHiiVendorDevicePath,
&gEfiHiiConfigAccessProtocolGuid,
ConfigAccess,
NULL
);
return EFI_OUT_OF_RESOURCES;
}
ConfigPrivateData->HiiHandle = HiiHandle;
return EFI_SUCCESS;
}
/**
This function removes RAM disk configuration Form.
@param[in, out] ConfigPrivateData
Points to RAM disk configuration private data.
**/
VOID
UninstallRamDiskConfigForm (
IN OUT RAM_DISK_CONFIG_PRIVATE_DATA *ConfigPrivateData
)
{
//
// Uninstall HII package list
//
if (ConfigPrivateData->HiiHandle != NULL) {
HiiRemovePackages (ConfigPrivateData->HiiHandle);
ConfigPrivateData->HiiHandle = NULL;
}
//
// Uninstall HII Config Access Protocol
//
if (ConfigPrivateData->DriverHandle != NULL) {
gBS->UninstallMultipleProtocolInterfaces (
ConfigPrivateData->DriverHandle,
&gEfiDevicePathProtocolGuid,
&mRamDiskHiiVendorDevicePath,
&gEfiHiiConfigAccessProtocolGuid,
&ConfigPrivateData->ConfigAccess,
NULL
);
ConfigPrivateData->DriverHandle = NULL;
}
FreePool (ConfigPrivateData);
}
/**
Unregister all registered RAM disks.
**/
VOID
UnregisterAllRamDisks (
VOID
)
{
LIST_ENTRY *Entry;
LIST_ENTRY *NextEntry;
RAM_DISK_PRIVATE_DATA *PrivateData;
if (!IsListEmpty(&RegisteredRamDisks)) {
EFI_LIST_FOR_EACH_SAFE (Entry, NextEntry, &RegisteredRamDisks) {
PrivateData = RAM_DISK_PRIVATE_FROM_THIS (Entry);
gBS->UninstallMultipleProtocolInterfaces (
PrivateData->Handle,
&gEfiBlockIoProtocolGuid,
&PrivateData->BlockIo,
&gEfiBlockIo2ProtocolGuid,
&PrivateData->BlockIo2,
&gEfiDevicePathProtocolGuid,
(EFI_DEVICE_PATH_PROTOCOL *) PrivateData->DevicePath,
NULL
);
RemoveEntryList (&PrivateData->ThisInstance);
if (RamDiskCreateHii == PrivateData->CreateMethod) {
//
// If a RAM disk is created within HII, then the RamDiskDxe driver
// driver is responsible for freeing the allocated memory for the
// RAM disk.
//
FreePool ((VOID *)(UINTN) PrivateData->StartingAddr);
}
FreePool (PrivateData->DevicePath);
FreePool (PrivateData);
}
}
}
/**
This function allows a caller to extract the current configuration for one
or more named elements from the target driver.
@param[in] This Points to the EFI_HII_CONFIG_ACCESS_PROTOCOL.
@param[in] Request A null-terminated Unicode string in
<ConfigRequest> format.
@param[out] Progress On return, points to a character in the Request
string. Points to the string's null terminator if
request was successful. Points to the most recent
'&' before the first failing name/value pair (or
the beginning of the string if the failure is in
the first name/value pair) if the request was not
successful.
@param[out] Results A null-terminated Unicode string in
<ConfigAltResp> format which has all values filled
in for the names in the Request string. String to
be allocated by the called function.
@retval EFI_SUCCESS The Results is filled with the requested
values.
@retval EFI_OUT_OF_RESOURCES Not enough memory to store the results.
@retval EFI_INVALID_PARAMETER Request is illegal syntax, or unknown name.
@retval EFI_NOT_FOUND Routing data doesn't match any storage in
this driver.
**/
EFI_STATUS
EFIAPI
RamDiskExtractConfig (
IN CONST EFI_HII_CONFIG_ACCESS_PROTOCOL *This,
IN CONST EFI_STRING Request,
OUT EFI_STRING *Progress,
OUT EFI_STRING *Results
)
{
if (Progress == NULL || Results == NULL) {
return EFI_INVALID_PARAMETER;
}
*Progress = Request;
return EFI_NOT_FOUND;
}
/**
This function processes the results of changes in configuration.
@param[in] This Points to the EFI_HII_CONFIG_ACCESS_PROTOCOL.
@param[in] Configuration A null-terminated Unicode string in <ConfigResp>
format.
@param[out] Progress A pointer to a string filled in with the offset of
the most recent '&' before the first failing
name/value pair (or the beginning of the string if
the failure is in the first name/value pair) or
the terminating NULL if all was successful.
@retval EFI_SUCCESS The Results is processed successfully.
@retval EFI_INVALID_PARAMETER Configuration is NULL.
@retval EFI_NOT_FOUND Routing data doesn't match any storage in
this driver.
**/
EFI_STATUS
EFIAPI
RamDiskRouteConfig (
IN CONST EFI_HII_CONFIG_ACCESS_PROTOCOL *This,
IN CONST EFI_STRING Configuration,
OUT EFI_STRING *Progress
)
{
if (Configuration == NULL || Progress == NULL) {
return EFI_INVALID_PARAMETER;
}
*Progress = Configuration;
return EFI_NOT_FOUND;
}
/**
Allocate memory and register the RAM disk created within RamDiskDxe
driver HII.
@param[in] Size If creating raw, size of the RAM disk to create.
If creating from file, zero.
@param[in] FileHandle If creating raw, NULL. If creating from file, the
file handle.
@param[in] MemoryType Type of memory to be used to create RAM Disk.
@retval EFI_SUCCESS RAM disk is created and registered.
@retval EFI_OUT_OF_RESOURCES Not enough storage is available to match the
size required.
**/
EFI_STATUS
HiiCreateRamDisk (
IN UINT64 Size,
IN EFI_FILE_HANDLE FileHandle,
IN UINT8 MemoryType
)
{
EFI_STATUS Status;
UINTN BufferSize;
UINT64 *StartingAddr;
EFI_INPUT_KEY Key;
EFI_DEVICE_PATH_PROTOCOL *DevicePath;
RAM_DISK_PRIVATE_DATA *PrivateData;
EFI_FILE_INFO *FileInformation;
FileInformation = NULL;
StartingAddr = NULL;
if (FileHandle != NULL) {
//
// Create from file.
//
FileInformation = FileInfo (FileHandle);
if (NULL == FileInformation) {
do {
CreatePopUp (
EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,
&Key,
L"",
L"Not enough memory to get the file information!",
L"Press ENTER to continue ...",
L"",
NULL
);
} while (Key.UnicodeChar != CHAR_CARRIAGE_RETURN);
return EFI_OUT_OF_RESOURCES;
}
//
// Update the size of RAM disk according to the file size.
//
Size = FileInformation->FileSize;
}
if (Size > (UINTN) -1) {
do {
CreatePopUp (
EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,
&Key,
L"",
L"The given RAM disk size is too large!",
L"Press ENTER to continue ...",
L"",
NULL
);
} while (Key.UnicodeChar != CHAR_CARRIAGE_RETURN);
return EFI_OUT_OF_RESOURCES;
}
if (MemoryType == RAM_DISK_BOOT_SERVICE_DATA_MEMORY) {
Status = gBS->AllocatePool (
EfiBootServicesData,
(UINTN)Size,
(VOID**)&StartingAddr
);
} else if (MemoryType == RAM_DISK_RESERVED_MEMORY) {
Status = gBS->AllocatePool (
EfiReservedMemoryType,
(UINTN)Size,
(VOID**)&StartingAddr
);
} else {
Status = EFI_INVALID_PARAMETER;
}
if ((StartingAddr == NULL) || EFI_ERROR(Status)) {
do {
CreatePopUp (
EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,
&Key,
L"",
L"Not enough memory to create the RAM disk!",
L"Press ENTER to continue ...",
L"",
NULL
);
} while (Key.UnicodeChar != CHAR_CARRIAGE_RETURN);
return EFI_OUT_OF_RESOURCES;
}
if (FileHandle != NULL) {
//
// Copy the file content to the RAM disk.
//
BufferSize = (UINTN) Size;
FileHandle->Read (
FileHandle,
&BufferSize,
(VOID *)(UINTN) StartingAddr
);
if (BufferSize != FileInformation->FileSize) {
do {
CreatePopUp (
EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,
&Key,
L"",
L"File content read error!",
L"Press ENTER to continue ...",
L"",
NULL
);
} while (Key.UnicodeChar != CHAR_CARRIAGE_RETURN);
return EFI_DEVICE_ERROR;
}
}
//
// Register the newly created RAM disk.
//
Status = RamDiskRegister (
((UINT64)(UINTN) StartingAddr),
Size,
&gEfiVirtualDiskGuid,
NULL,
&DevicePath
);
if (EFI_ERROR (Status)) {
do {
CreatePopUp (
EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,
&Key,
L"",
L"Fail to register the newly created RAM disk!",
L"Press ENTER to continue ...",
L"",
NULL
);
} while (Key.UnicodeChar != CHAR_CARRIAGE_RETURN);
return Status;
}
//
// If RAM disk is created within HII, memory should be freed when the
// RAM disk is unregisterd.
//
PrivateData = RAM_DISK_PRIVATE_FROM_THIS (RegisteredRamDisks.BackLink);
PrivateData->CreateMethod = RamDiskCreateHii;
return EFI_SUCCESS;
}
/**
This function updates the registered RAM disks list on the main form.
@param[in, out] ConfigPrivate
Private data for configurating hii data for RAM
disks.
**/
VOID
UpdateMainForm (
IN OUT RAM_DISK_CONFIG_PRIVATE_DATA *ConfigPrivate
)
{
VOID *StartOpCodeHandle;
VOID *EndOpCodeHandle;
EFI_IFR_GUID_LABEL *StartLabel;
EFI_IFR_GUID_LABEL *EndLabel;
LIST_ENTRY *Entry;
UINTN Index;
RAM_DISK_PRIVATE_DATA *PrivateData;
CHAR16 *String;
CHAR16 RamDiskStr[128];
EFI_STRING_ID StringId;
//
// Init OpCode Handle
//
StartOpCodeHandle = HiiAllocateOpCodeHandle ();
ASSERT (StartOpCodeHandle != NULL);
EndOpCodeHandle = HiiAllocateOpCodeHandle ();
ASSERT (EndOpCodeHandle != NULL);
//
// Create Hii Extend Label OpCode as the start opcode
//
StartLabel = (EFI_IFR_GUID_LABEL *) HiiCreateGuidOpCode (
StartOpCodeHandle,
&gEfiIfrTianoGuid,
NULL,
sizeof (EFI_IFR_GUID_LABEL)
);
StartLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;
StartLabel->Number = MAIN_LABEL_LIST_START;
//
// Create Hii Extend Label OpCode as the end opcode
//
EndLabel = (EFI_IFR_GUID_LABEL *) HiiCreateGuidOpCode (
EndOpCodeHandle,
&gEfiIfrTianoGuid,
NULL,
sizeof (EFI_IFR_GUID_LABEL)
);
EndLabel->ExtendOpCode = EFI_IFR_EXTEND_OP_LABEL;
EndLabel->Number = MAIN_LABEL_LIST_END;
Index = 0;
EFI_LIST_FOR_EACH (Entry, &RegisteredRamDisks) {
PrivateData = RAM_DISK_PRIVATE_FROM_THIS (Entry);
PrivateData->CheckBoxId = (EFI_QUESTION_ID)
(MAIN_CHECKBOX_QUESTION_ID_START + Index);
//
// CheckBox is unchecked by default.
//
PrivateData->CheckBoxChecked = FALSE;
String = RamDiskStr;
UnicodeSPrint (
String,
sizeof (RamDiskStr),
L" RAM Disk %d: [0x%lx, 0x%lx]\n",
Index,
PrivateData->StartingAddr,
PrivateData->StartingAddr + PrivateData->Size - 1
);
StringId = HiiSetString (ConfigPrivate->HiiHandle, 0, RamDiskStr, NULL);
ASSERT (StringId != 0);
HiiCreateCheckBoxOpCode (
StartOpCodeHandle,
PrivateData->CheckBoxId,
0,
0,
StringId,
STRING_TOKEN (STR_RAM_DISK_LIST_HELP),
EFI_IFR_FLAG_CALLBACK,
0,
NULL
);
Index++;
}
HiiUpdateForm (
ConfigPrivate->HiiHandle,
&gRamDiskFormSetGuid,
MAIN_FORM_ID,
StartOpCodeHandle,
EndOpCodeHandle
);
HiiFreeOpCodeHandle (StartOpCodeHandle);
HiiFreeOpCodeHandle (EndOpCodeHandle);
}
/**
This function processes the results of changes in configuration.
@param[in] This Points to the EFI_HII_CONFIG_ACCESS_PROTOCOL.
@param[in] Action Specifies the type of action taken by the browser.
@param[in] QuestionId A unique value which is sent to the original
exporting driver so that it can identify the type
of data to expect.
@param[in] Type The type of value for the question.
@param[in] Value A pointer to the data being sent to the original
exporting driver.
@param[out] ActionRequest On return, points to the action requested by the
callback function.
@retval EFI_SUCCESS The callback successfully handled the action.
@retval EFI_OUT_OF_RESOURCES Not enough storage is available to hold the
variable and its data.
@retval EFI_DEVICE_ERROR The variable could not be saved.
@retval EFI_UNSUPPORTED The specified Action is not supported by the
callback.
**/
EFI_STATUS
EFIAPI
RamDiskCallback (
IN CONST EFI_HII_CONFIG_ACCESS_PROTOCOL *This,
IN EFI_BROWSER_ACTION Action,
IN EFI_QUESTION_ID QuestionId,
IN UINT8 Type,
IN EFI_IFR_TYPE_VALUE *Value,
OUT EFI_BROWSER_ACTION_REQUEST *ActionRequest
)
{
EFI_STATUS Status;
RAM_DISK_PRIVATE_DATA *PrivateData;
RAM_DISK_CONFIG_PRIVATE_DATA *ConfigPrivate;
EFI_DEVICE_PATH_PROTOCOL *FileDevPath;
EFI_FILE_HANDLE FileHandle;
LIST_ENTRY *Entry;
LIST_ENTRY *NextEntry;
if ((This == NULL) || (Value == NULL) || (ActionRequest == NULL)) {
return EFI_INVALID_PARAMETER;
}
ConfigPrivate = RAM_DISK_CONFIG_PRIVATE_FROM_THIS (This);
if (Action == EFI_BROWSER_ACTION_RETRIEVE) {
Status = EFI_UNSUPPORTED;
if (QuestionId == CREATE_RAW_SIZE_QUESTION_ID) {
Value->u64 = EFI_PAGE_SIZE;
ConfigPrivate->ConfigStore.Size = EFI_PAGE_SIZE;
Status = EFI_SUCCESS;
} else if (QuestionId == CREATE_RAW_MEMORY_TYPE_QUESTION_ID) {
Value->u8 = RAM_DISK_BOOT_SERVICE_DATA_MEMORY;
ConfigPrivate->ConfigStore.MemType = RAM_DISK_BOOT_SERVICE_DATA_MEMORY;
Status = EFI_SUCCESS;
}
return Status;
}
if ((Action != EFI_BROWSER_ACTION_CHANGED) &&
(Action != EFI_BROWSER_ACTION_CHANGING) &&
(Action != EFI_BROWSER_ACTION_FORM_OPEN)) {
return EFI_UNSUPPORTED;
}
//
// Update the RAM disk list show at the main form first.
//
if (Action == EFI_BROWSER_ACTION_FORM_OPEN) {
Status = EFI_UNSUPPORTED;
if (QuestionId == MAIN_GOTO_FILE_EXPLORER_ID) {
UpdateMainForm (ConfigPrivate);
Status = EFI_SUCCESS;
}
return Status;
}
Status = EFI_SUCCESS;
if (Action == EFI_BROWSER_ACTION_CHANGING) {
switch (QuestionId) {
case MAIN_GOTO_FILE_EXPLORER_ID:
Status = ChooseFile (NULL, NULL, NULL, &FileDevPath);
if (EFI_ERROR (Status)) {
break;
}
if (FileDevPath != NULL) {
//
// Open the file.
//
Status = EfiOpenFileByDevicePath (
&FileDevPath,
&FileHandle,
EFI_FILE_MODE_READ,
0
);
if (EFI_ERROR (Status)) {
break;
}
//
// Create from file, RAM disk size is zero. It will be updated
// according to the file size.
//
Status = HiiCreateRamDisk (
0,
FileHandle,
ConfigPrivate->ConfigStore.MemType
);
if (EFI_ERROR (Status)) {
break;
}
//
// Refresh the registered RAM disks list.
//
UpdateMainForm (ConfigPrivate);
}
break;
default:
break;
}
} else if (Action == EFI_BROWSER_ACTION_CHANGED) {
switch (QuestionId) {
case MAIN_REMOVE_RD_QUESTION_ID:
//
// Remove the selected RAM disks
//
EFI_LIST_FOR_EACH_SAFE (Entry, NextEntry, &RegisteredRamDisks) {
PrivateData = RAM_DISK_PRIVATE_FROM_THIS (Entry);
if (PrivateData->CheckBoxChecked) {
RamDiskUnregister (
(EFI_DEVICE_PATH_PROTOCOL *) PrivateData->DevicePath
);
}
}
UpdateMainForm (ConfigPrivate);
*ActionRequest = EFI_BROWSER_ACTION_REQUEST_FORM_APPLY;
break;
case CREATE_RAW_SIZE_QUESTION_ID:
ConfigPrivate->ConfigStore.Size = Value->u64;
break;
case CREATE_RAW_MEMORY_TYPE_QUESTION_ID:
ConfigPrivate->ConfigStore.MemType = Value->u8;
break;
case CREATE_RAW_SUBMIT_QUESTION_ID:
//
// Create raw, FileHandle is NULL.
//
Status = HiiCreateRamDisk (
ConfigPrivate->ConfigStore.Size,
NULL,
ConfigPrivate->ConfigStore.MemType
);
if (EFI_ERROR (Status)) {
break;
}
//
// Refresh the registered RAM disks list.
//
UpdateMainForm (ConfigPrivate);
*ActionRequest = EFI_BROWSER_ACTION_REQUEST_FORM_DISCARD_EXIT;
break;
case CREATE_RAW_DISCARD_QUESTION_ID:
*ActionRequest = EFI_BROWSER_ACTION_REQUEST_FORM_DISCARD_EXIT;
break;
default:
//
// QuestionIds for checkboxes
//
if ((QuestionId >= MAIN_CHECKBOX_QUESTION_ID_START) &&
(QuestionId < CREATE_RAW_RAM_DISK_FORM_ID)) {
EFI_LIST_FOR_EACH (Entry, &RegisteredRamDisks) {
PrivateData = RAM_DISK_PRIVATE_FROM_THIS (Entry);
if (PrivateData->CheckBoxId == QuestionId) {
PrivateData->CheckBoxChecked = (BOOLEAN) (Value->u8 != 0);
}
}
}
break;
}
}
return EFI_SUCCESS;
}
|