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93e3992d | 1 | /** @file\r |
2 | Copyright (c) 2004 - 2007, Intel Corporation\r | |
3 | All rights reserved. This program and the accompanying materials\r | |
4 | are licensed and made available under the terms and conditions of the BSD License\r | |
5 | which accompanies this distribution. The full text of the license may be found at\r | |
6 | http://opensource.org/licenses/bsd-license.php\r | |
7 | \r | |
8 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
9 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
10 | \r | |
11 | Module Name:\r | |
12 | DriverSample.c\r | |
13 | \r | |
14 | Abstract:\r | |
15 | \r | |
16 | This is an example of how a driver might export data to the HII protocol to be\r | |
17 | later utilized by the Setup Protocol\r | |
18 | \r | |
19 | \r | |
20 | **/\r | |
21 | \r | |
22 | \r | |
23 | #include "DriverSample.h"\r | |
24 | \r | |
25 | #define DISPLAY_ONLY_MY_ITEM 0x0002\r | |
26 | \r | |
27 | EFI_GUID mFormSetGuid = FORMSET_GUID;\r | |
28 | EFI_GUID mInventoryGuid = INVENTORY_GUID;\r | |
29 | \r | |
30 | CHAR16 VariableName[] = L"MyIfrNVData";\r | |
31 | \r | |
32 | VOID\r | |
33 | EncodePassword (\r | |
34 | IN CHAR16 *Password,\r | |
35 | IN UINT8 MaxSize\r | |
36 | )\r | |
37 | {\r | |
38 | UINTN Index;\r | |
39 | UINTN Loop;\r | |
40 | CHAR16 *Buffer;\r | |
41 | CHAR16 *Key;\r | |
42 | \r | |
43 | Key = L"MAR10648567";\r | |
44 | Buffer = AllocateZeroPool (MaxSize);\r | |
45 | ASSERT (Buffer != NULL);\r | |
46 | \r | |
47 | for (Index = 0; Key[Index] != 0; Index++) {\r | |
48 | for (Loop = 0; Loop < (UINT8) (MaxSize / 2); Loop++) {\r | |
49 | Buffer[Loop] = (CHAR16) (Password[Loop] ^ Key[Index]);\r | |
50 | }\r | |
51 | }\r | |
52 | \r | |
53 | CopyMem (Password, Buffer, MaxSize);\r | |
54 | \r | |
55 | gBS->FreePool (Buffer);\r | |
56 | return ;\r | |
57 | }\r | |
58 | \r | |
59 | EFI_STATUS\r | |
60 | ValidatePassword (\r | |
61 | DRIVER_SAMPLE_PRIVATE_DATA *PrivateData,\r | |
62 | EFI_STRING_ID StringId\r | |
63 | )\r | |
64 | {\r | |
65 | EFI_STATUS Status;\r | |
66 | UINTN Index;\r | |
67 | UINTN BufferSize;\r | |
68 | CHAR16 *Password;\r | |
69 | CHAR16 *EncodedPassword;\r | |
70 | BOOLEAN OldPassword;\r | |
71 | \r | |
72 | //\r | |
73 | // Get encoded password first\r | |
74 | //\r | |
75 | BufferSize = sizeof (DRIVER_SAMPLE_CONFIGURATION);\r | |
76 | Status = gRT->GetVariable (\r | |
77 | VariableName,\r | |
78 | &mFormSetGuid,\r | |
79 | NULL,\r | |
80 | &BufferSize,\r | |
81 | &PrivateData->Configuration\r | |
82 | );\r | |
83 | if (EFI_ERROR (Status)) {\r | |
84 | //\r | |
85 | // Old password not exist, prompt for new password\r | |
86 | //\r | |
87 | return EFI_SUCCESS;\r | |
88 | }\r | |
89 | \r | |
90 | OldPassword = FALSE;\r | |
91 | //\r | |
92 | // Check whether we have any old password set\r | |
93 | //\r | |
94 | for (Index = 0; Index < 20; Index++) {\r | |
95 | if (PrivateData->Configuration.WhatIsThePassword2[Index] != 0) {\r | |
96 | OldPassword = TRUE;\r | |
97 | break;\r | |
98 | }\r | |
99 | }\r | |
100 | if (!OldPassword) {\r | |
101 | //\r | |
102 | // Old password not exist, return EFI_SUCCESS to prompt for new password\r | |
103 | //\r | |
104 | return EFI_SUCCESS;\r | |
105 | }\r | |
106 | \r | |
107 | //\r | |
108 | // Get user input password\r | |
109 | //\r | |
110 | BufferSize = 21 * sizeof (CHAR16);\r | |
111 | Password = AllocateZeroPool (BufferSize);\r | |
112 | ASSERT (Password != NULL);\r | |
113 | \r | |
9226efe5 | 114 | Status = HiiLibGetString (PrivateData->HiiHandle[0], StringId, Password, &BufferSize);\r |
93e3992d | 115 | if (EFI_ERROR (Status)) {\r |
116 | gBS->FreePool (Password);\r | |
117 | return Status;\r | |
118 | }\r | |
119 | \r | |
120 | //\r | |
121 | // Validate old password\r | |
122 | //\r | |
123 | EncodedPassword = AllocateCopyPool (21 * sizeof (CHAR16), Password);\r | |
124 | ASSERT (EncodedPassword != NULL);\r | |
125 | EncodePassword (EncodedPassword, 20 * sizeof (CHAR16));\r | |
126 | if (CompareMem (EncodedPassword, PrivateData->Configuration.WhatIsThePassword2, 20 * sizeof (CHAR16)) != 0) {\r | |
127 | //\r | |
128 | // Old password mismatch, return EFI_NOT_READY to prompt for error message\r | |
129 | //\r | |
130 | Status = EFI_NOT_READY;\r | |
131 | } else {\r | |
132 | Status = EFI_SUCCESS;\r | |
133 | }\r | |
134 | \r | |
135 | gBS->FreePool (Password);\r | |
136 | gBS->FreePool (EncodedPassword);\r | |
137 | \r | |
138 | return Status;\r | |
139 | }\r | |
140 | \r | |
141 | EFI_STATUS\r | |
142 | SetPassword (\r | |
143 | DRIVER_SAMPLE_PRIVATE_DATA *PrivateData,\r | |
144 | EFI_STRING_ID StringId\r | |
145 | )\r | |
146 | {\r | |
147 | EFI_STATUS Status;\r | |
148 | UINTN BufferSize;\r | |
149 | CHAR16 *Password;\r | |
150 | DRIVER_SAMPLE_CONFIGURATION *Configuration;\r | |
151 | \r | |
152 | //\r | |
153 | // Get Buffer Storage data from EFI variable\r | |
154 | //\r | |
155 | BufferSize = sizeof (DRIVER_SAMPLE_CONFIGURATION);\r | |
156 | Status = gRT->GetVariable (\r | |
157 | VariableName,\r | |
158 | &mFormSetGuid,\r | |
159 | NULL,\r | |
160 | &BufferSize,\r | |
161 | &PrivateData->Configuration\r | |
162 | );\r | |
163 | if (EFI_ERROR (Status)) {\r | |
164 | return Status;\r | |
165 | }\r | |
166 | \r | |
167 | //\r | |
168 | // Get user input password\r | |
169 | //\r | |
170 | Password = &PrivateData->Configuration.WhatIsThePassword2[0];\r | |
171 | ZeroMem (Password, 20 * sizeof (CHAR16));\r | |
9226efe5 | 172 | Status = HiiLibGetString (PrivateData->HiiHandle[0], StringId, Password, &BufferSize);\r |
93e3992d | 173 | if (EFI_ERROR (Status)) {\r |
174 | return Status;\r | |
175 | }\r | |
176 | \r | |
177 | //\r | |
178 | // Retrive uncommitted data from Browser\r | |
179 | //\r | |
180 | BufferSize = sizeof (DRIVER_SAMPLE_CONFIGURATION);\r | |
181 | Configuration = AllocateZeroPool (sizeof (DRIVER_SAMPLE_PRIVATE_DATA));\r | |
182 | ASSERT (Configuration != NULL);\r | |
183 | Status = GetBrowserData (&mFormSetGuid, VariableName, &BufferSize, (UINT8 *) Configuration);\r | |
184 | if (!EFI_ERROR (Status)) {\r | |
185 | //\r | |
186 | // Update password's clear text in the screen\r | |
187 | //\r | |
188 | CopyMem (Configuration->PasswordClearText, Password, 20 * sizeof (CHAR16));\r | |
189 | \r | |
190 | //\r | |
191 | // Update uncommitted data of Browser\r | |
192 | //\r | |
193 | BufferSize = sizeof (DRIVER_SAMPLE_CONFIGURATION);\r | |
194 | Status = SetBrowserData (\r | |
195 | &mFormSetGuid,\r | |
196 | VariableName,\r | |
197 | BufferSize,\r | |
198 | (UINT8 *) Configuration,\r | |
199 | NULL\r | |
200 | );\r | |
201 | }\r | |
202 | gBS->FreePool (Configuration);\r | |
203 | \r | |
204 | //\r | |
205 | // Set password\r | |
206 | //\r | |
207 | EncodePassword (Password, 20 * sizeof (CHAR16));\r | |
208 | Status = gRT->SetVariable(\r | |
209 | VariableName,\r | |
210 | &mFormSetGuid,\r | |
211 | EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS,\r | |
212 | sizeof (DRIVER_SAMPLE_CONFIGURATION),\r | |
213 | &PrivateData->Configuration\r | |
214 | );\r | |
215 | return Status;\r | |
216 | }\r | |
217 | \r | |
218 | \r | |
219 | /**\r | |
220 | This function allows a caller to extract the current configuration for one\r | |
221 | or more named elements from the target driver.\r | |
222 | \r | |
223 | @param This Points to the EFI_HII_CONFIG_ACCESS_PROTOCOL.\r | |
224 | @param Request A null-terminated Unicode string in\r | |
225 | <ConfigRequest> format.\r | |
226 | @param Progress On return, points to a character in the Request\r | |
227 | string. Points to the string's null terminator if\r | |
228 | request was successful. Points to the most recent\r | |
229 | '&' before the first failing name/value pair (or\r | |
230 | the beginning of the string if the failure is in\r | |
231 | the first name/value pair) if the request was not\r | |
232 | successful.\r | |
233 | @param Results A null-terminated Unicode string in\r | |
234 | <ConfigAltResp> format which has all values filled\r | |
235 | in for the names in the Request string. String to\r | |
236 | be allocated by the called function.\r | |
237 | \r | |
238 | @retval EFI_SUCCESS The Results is filled with the requested values.\r | |
239 | @retval EFI_OUT_OF_RESOURCES Not enough memory to store the results.\r | |
240 | @retval EFI_INVALID_PARAMETER Request is NULL, illegal syntax, or unknown name.\r | |
241 | @retval EFI_NOT_FOUND Routing data doesn't match any storage in this\r | |
242 | driver.\r | |
243 | \r | |
244 | **/\r | |
245 | EFI_STATUS\r | |
246 | EFIAPI\r | |
247 | ExtractConfig (\r | |
248 | IN CONST EFI_HII_CONFIG_ACCESS_PROTOCOL *This,\r | |
249 | IN CONST EFI_STRING Request,\r | |
250 | OUT EFI_STRING *Progress,\r | |
251 | OUT EFI_STRING *Results\r | |
252 | )\r | |
253 | {\r | |
254 | EFI_STATUS Status;\r | |
255 | UINTN BufferSize;\r | |
256 | DRIVER_SAMPLE_PRIVATE_DATA *PrivateData;\r | |
257 | EFI_HII_CONFIG_ROUTING_PROTOCOL *HiiConfigRouting;\r | |
258 | \r | |
259 | PrivateData = DRIVER_SAMPLE_PRIVATE_FROM_THIS (This);\r | |
260 | HiiConfigRouting = PrivateData->HiiConfigRouting;\r | |
261 | \r | |
262 | //\r | |
263 | // Get Buffer Storage data from EFI variable\r | |
264 | //\r | |
265 | BufferSize = sizeof (DRIVER_SAMPLE_CONFIGURATION);\r | |
266 | Status = gRT->GetVariable (\r | |
267 | VariableName,\r | |
268 | &mFormSetGuid,\r | |
269 | NULL,\r | |
270 | &BufferSize,\r | |
271 | &PrivateData->Configuration\r | |
272 | );\r | |
273 | if (EFI_ERROR (Status)) {\r | |
274 | return Status;\r | |
275 | }\r | |
276 | \r | |
277 | //\r | |
278 | // Convert buffer data to <ConfigResp> by helper function BlockToConfig()\r | |
279 | //\r | |
280 | Status = HiiConfigRouting->BlockToConfig (\r | |
281 | HiiConfigRouting,\r | |
282 | Request,\r | |
283 | (UINT8 *) &PrivateData->Configuration,\r | |
284 | BufferSize,\r | |
285 | Results,\r | |
286 | Progress\r | |
287 | );\r | |
288 | return Status;\r | |
289 | }\r | |
290 | \r | |
291 | \r | |
292 | /**\r | |
293 | This function processes the results of changes in configuration.\r | |
294 | \r | |
295 | @param This Points to the EFI_HII_CONFIG_ACCESS_PROTOCOL.\r | |
296 | @param Configuration A null-terminated Unicode string in <ConfigResp>\r | |
297 | format.\r | |
298 | @param Progress A pointer to a string filled in with the offset of\r | |
299 | the most recent '&' before the first failing\r | |
300 | name/value pair (or the beginning of the string if\r | |
301 | the failure is in the first name/value pair) or\r | |
302 | the terminating NULL if all was successful.\r | |
303 | \r | |
304 | @retval EFI_SUCCESS The Results is processed successfully.\r | |
305 | @retval EFI_INVALID_PARAMETER Configuration is NULL.\r | |
306 | @retval EFI_NOT_FOUND Routing data doesn't match any storage in this\r | |
307 | driver.\r | |
308 | \r | |
309 | **/\r | |
310 | EFI_STATUS\r | |
311 | EFIAPI\r | |
312 | RouteConfig (\r | |
313 | IN CONST EFI_HII_CONFIG_ACCESS_PROTOCOL *This,\r | |
314 | IN CONST EFI_STRING Configuration,\r | |
315 | OUT EFI_STRING *Progress\r | |
316 | )\r | |
317 | {\r | |
318 | EFI_STATUS Status;\r | |
319 | UINTN BufferSize;\r | |
320 | DRIVER_SAMPLE_PRIVATE_DATA *PrivateData;\r | |
321 | EFI_HII_CONFIG_ROUTING_PROTOCOL *HiiConfigRouting;\r | |
322 | \r | |
323 | PrivateData = DRIVER_SAMPLE_PRIVATE_FROM_THIS (This);\r | |
324 | HiiConfigRouting = PrivateData->HiiConfigRouting;\r | |
325 | \r | |
326 | //\r | |
327 | // Get Buffer Storage data from EFI variable\r | |
328 | //\r | |
329 | BufferSize = sizeof (DRIVER_SAMPLE_CONFIGURATION);\r | |
330 | Status = gRT->GetVariable (\r | |
331 | VariableName,\r | |
332 | &mFormSetGuid,\r | |
333 | NULL,\r | |
334 | &BufferSize,\r | |
335 | &PrivateData->Configuration\r | |
336 | );\r | |
337 | if (EFI_ERROR (Status)) {\r | |
338 | return Status;\r | |
339 | }\r | |
340 | \r | |
341 | //\r | |
342 | // Convert <ConfigResp> to buffer data by helper function ConfigToBlock()\r | |
343 | //\r | |
344 | BufferSize = sizeof (DRIVER_SAMPLE_CONFIGURATION);\r | |
345 | Status = HiiConfigRouting->ConfigToBlock (\r | |
346 | HiiConfigRouting,\r | |
347 | Configuration,\r | |
348 | (UINT8 *) &PrivateData->Configuration,\r | |
349 | &BufferSize,\r | |
350 | Progress\r | |
351 | );\r | |
352 | if (EFI_ERROR (Status)) {\r | |
353 | return Status;\r | |
354 | }\r | |
355 | \r | |
356 | //\r | |
357 | // Store Buffer Storage back to EFI variable\r | |
358 | //\r | |
359 | Status = gRT->SetVariable(\r | |
360 | VariableName,\r | |
361 | &mFormSetGuid,\r | |
362 | EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS,\r | |
363 | sizeof (DRIVER_SAMPLE_CONFIGURATION),\r | |
364 | &PrivateData->Configuration\r | |
365 | );\r | |
366 | \r | |
367 | return Status;\r | |
368 | }\r | |
369 | \r | |
370 | \r | |
371 | /**\r | |
372 | This function processes the results of changes in configuration.\r | |
373 | \r | |
374 | @param This Points to the EFI_HII_CONFIG_ACCESS_PROTOCOL.\r | |
375 | @param Action Specifies the type of action taken by the browser.\r | |
376 | @param QuestionId A unique value which is sent to the original\r | |
377 | exporting driver so that it can identify the type\r | |
378 | of data to expect.\r | |
379 | @param Type The type of value for the question.\r | |
380 | @param Value A pointer to the data being sent to the original\r | |
381 | exporting driver.\r | |
382 | @param ActionRequest On return, points to the action requested by the\r | |
383 | callback function.\r | |
384 | \r | |
385 | @retval EFI_SUCCESS The callback successfully handled the action.\r | |
386 | @retval EFI_OUT_OF_RESOURCES Not enough storage is available to hold the\r | |
387 | variable and its data.\r | |
388 | @retval EFI_DEVICE_ERROR The variable could not be saved.\r | |
389 | @retval EFI_UNSUPPORTED The specified Action is not supported by the\r | |
390 | callback.\r | |
391 | \r | |
392 | **/\r | |
393 | EFI_STATUS\r | |
394 | EFIAPI\r | |
395 | DriverCallback (\r | |
396 | IN CONST EFI_HII_CONFIG_ACCESS_PROTOCOL *This,\r | |
397 | IN EFI_BROWSER_ACTION Action,\r | |
398 | IN EFI_QUESTION_ID QuestionId,\r | |
399 | IN UINT8 Type,\r | |
400 | IN EFI_IFR_TYPE_VALUE *Value,\r | |
401 | OUT EFI_BROWSER_ACTION_REQUEST *ActionRequest\r | |
402 | )\r | |
403 | {\r | |
404 | DRIVER_SAMPLE_PRIVATE_DATA *PrivateData;\r | |
405 | EFI_STATUS Status;\r | |
406 | EFI_HII_UPDATE_DATA UpdateData;\r | |
407 | IFR_OPTION *IfrOptionList;\r | |
408 | \r | |
409 | if ((Value == NULL) || (ActionRequest == NULL)) {\r | |
410 | return EFI_INVALID_PARAMETER;\r | |
411 | }\r | |
412 | \r | |
413 | Status = EFI_SUCCESS;\r | |
414 | PrivateData = DRIVER_SAMPLE_PRIVATE_FROM_THIS (This);\r | |
415 | \r | |
416 | switch (QuestionId) {\r | |
417 | case 0x1234:\r | |
418 | //\r | |
419 | // Create dynamic page for this interactive goto\r | |
420 | //\r | |
421 | UpdateData.BufferSize = 0x1000;\r | |
422 | UpdateData.Offset = 0;\r | |
423 | UpdateData.Data = AllocatePool (0x1000);\r | |
424 | ASSERT (UpdateData.Data != NULL);\r | |
425 | \r | |
426 | IfrOptionList = AllocatePool (2 * sizeof (IFR_OPTION));\r | |
427 | ASSERT (IfrOptionList != NULL);\r | |
428 | \r | |
429 | IfrOptionList[0].Flags = 0;\r | |
430 | IfrOptionList[0].StringToken = STRING_TOKEN (STR_BOOT_OPTION1);\r | |
431 | IfrOptionList[0].Value.u8 = 1;\r | |
432 | IfrOptionList[1].Flags = EFI_IFR_OPTION_DEFAULT;\r | |
433 | IfrOptionList[1].StringToken = STRING_TOKEN (STR_BOOT_OPTION2);\r | |
434 | IfrOptionList[1].Value.u8 = 2;\r | |
435 | \r | |
436 | CreateActionOpCode (\r | |
437 | 0x1237,\r | |
438 | STRING_TOKEN(STR_EXIT_TEXT),\r | |
439 | STRING_TOKEN(STR_EXIT_TEXT),\r | |
440 | EFI_IFR_FLAG_CALLBACK,\r | |
441 | 0,\r | |
442 | &UpdateData\r | |
443 | );\r | |
444 | \r | |
445 | CreateOneOfOpCode (\r | |
446 | 0x8001,\r | |
447 | 0,\r | |
448 | 0,\r | |
449 | STRING_TOKEN (STR_ONE_OF_PROMPT),\r | |
450 | STRING_TOKEN (STR_ONE_OF_HELP),\r | |
451 | EFI_IFR_FLAG_CALLBACK,\r | |
452 | EFI_IFR_NUMERIC_SIZE_1,\r | |
453 | IfrOptionList,\r | |
454 | 2,\r | |
455 | &UpdateData\r | |
456 | );\r | |
457 | \r | |
458 | CreateOrderedListOpCode (\r | |
459 | 0x8002,\r | |
460 | 0,\r | |
461 | 0,\r | |
462 | STRING_TOKEN (STR_BOOT_OPTIONS),\r | |
463 | STRING_TOKEN (STR_BOOT_OPTIONS),\r | |
464 | EFI_IFR_FLAG_RESET_REQUIRED,\r | |
465 | 0,\r | |
466 | EFI_IFR_NUMERIC_SIZE_1,\r | |
467 | 10,\r | |
468 | IfrOptionList,\r | |
469 | 2,\r | |
470 | &UpdateData\r | |
471 | );\r | |
472 | \r | |
473 | CreateGotoOpCode (\r | |
474 | 1,\r | |
475 | STRING_TOKEN (STR_GOTO_FORM1),\r | |
476 | STRING_TOKEN (STR_GOTO_HELP),\r | |
477 | 0,\r | |
478 | 0x8003,\r | |
479 | &UpdateData\r | |
480 | );\r | |
481 | \r | |
482 | Status = IfrLibUpdateForm (\r | |
483 | PrivateData->HiiHandle[0],\r | |
484 | &mFormSetGuid,\r | |
485 | 0x1234,\r | |
486 | 0x1234,\r | |
487 | TRUE,\r | |
488 | &UpdateData\r | |
489 | );\r | |
490 | gBS->FreePool (IfrOptionList);\r | |
491 | gBS->FreePool (UpdateData.Data);\r | |
492 | break;\r | |
493 | \r | |
494 | case 0x1237:\r | |
495 | //\r | |
496 | // User press "Exit now", request Browser to exit\r | |
497 | //\r | |
498 | *ActionRequest = EFI_BROWSER_ACTION_REQUEST_EXIT;\r | |
499 | break;\r | |
500 | \r | |
501 | case 0x1238:\r | |
502 | //\r | |
503 | // User press "Save now", request Browser to save the uncommitted data.\r | |
504 | //\r | |
505 | *ActionRequest = EFI_BROWSER_ACTION_REQUEST_SUBMIT;\r | |
506 | break;\r | |
507 | \r | |
508 | case 0x2000:\r | |
509 | //\r | |
510 | // When try to set a new password, user will be chanlleged with old password.\r | |
511 | // The Callback is responsible for validating old password input by user,\r | |
512 | // If Callback return EFI_SUCCESS, it indicates validation pass.\r | |
513 | //\r | |
514 | switch (PrivateData->PasswordState) {\r | |
515 | case BROWSER_STATE_VALIDATE_PASSWORD:\r | |
516 | Status = ValidatePassword (PrivateData, Value->string);\r | |
517 | if (Status == EFI_SUCCESS) {\r | |
518 | PrivateData->PasswordState = BROWSER_STATE_SET_PASSWORD;\r | |
519 | }\r | |
520 | break;\r | |
521 | \r | |
522 | case BROWSER_STATE_SET_PASSWORD:\r | |
523 | Status = SetPassword (PrivateData, Value->string);\r | |
524 | PrivateData->PasswordState = BROWSER_STATE_VALIDATE_PASSWORD;\r | |
525 | break;\r | |
526 | \r | |
527 | default:\r | |
528 | break;\r | |
529 | }\r | |
530 | \r | |
531 | break;\r | |
532 | \r | |
533 | default:\r | |
534 | break;\r | |
535 | }\r | |
536 | \r | |
537 | return Status;\r | |
538 | }\r | |
539 | \r | |
540 | EFI_STATUS\r | |
541 | EFIAPI\r | |
542 | DriverSampleInit (\r | |
543 | IN EFI_HANDLE ImageHandle,\r | |
544 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
545 | )\r | |
546 | {\r | |
547 | EFI_STATUS Status;\r | |
548 | EFI_STATUS SavedStatus;\r | |
549 | EFI_HII_PACKAGE_LIST_HEADER *PackageList;\r | |
550 | EFI_HII_HANDLE HiiHandle[2];\r | |
551 | EFI_HANDLE DriverHandle[2];\r | |
552 | DRIVER_SAMPLE_PRIVATE_DATA *PrivateData;\r | |
553 | EFI_SCREEN_DESCRIPTOR Screen;\r | |
554 | EFI_HII_DATABASE_PROTOCOL *HiiDatabase;\r | |
555 | EFI_HII_STRING_PROTOCOL *HiiString;\r | |
556 | EFI_FORM_BROWSER2_PROTOCOL *FormBrowser2;\r | |
557 | EFI_HII_CONFIG_ROUTING_PROTOCOL *HiiConfigRouting;\r | |
558 | CHAR16 *NewString;\r | |
559 | UINTN BufferSize;\r | |
560 | DRIVER_SAMPLE_CONFIGURATION *Configuration;\r | |
561 | BOOLEAN ExtractIfrDefault;\r | |
562 | \r | |
563 | //\r | |
564 | // Initialize the library and our protocol.\r | |
565 | //\r | |
93e3992d | 566 | \r |
567 | //\r | |
568 | // Initialize screen dimensions for SendForm().\r | |
569 | // Remove 3 characters from top and bottom\r | |
570 | //\r | |
571 | ZeroMem (&Screen, sizeof (EFI_SCREEN_DESCRIPTOR));\r | |
572 | gST->ConOut->QueryMode (gST->ConOut, gST->ConOut->Mode->Mode, &Screen.RightColumn, &Screen.BottomRow);\r | |
573 | \r | |
574 | Screen.TopRow = 3;\r | |
575 | Screen.BottomRow = Screen.BottomRow - 3;\r | |
576 | \r | |
577 | //\r | |
578 | // Initialize driver private data\r | |
579 | //\r | |
580 | PrivateData = AllocatePool (sizeof (DRIVER_SAMPLE_PRIVATE_DATA));\r | |
581 | if (PrivateData == NULL) {\r | |
582 | return EFI_OUT_OF_RESOURCES;\r | |
583 | }\r | |
584 | \r | |
585 | PrivateData->Signature = DRIVER_SAMPLE_PRIVATE_SIGNATURE;\r | |
586 | \r | |
587 | PrivateData->ConfigAccess.ExtractConfig = ExtractConfig;\r | |
588 | PrivateData->ConfigAccess.RouteConfig = RouteConfig;\r | |
589 | PrivateData->ConfigAccess.Callback = DriverCallback;\r | |
590 | PrivateData->PasswordState = BROWSER_STATE_VALIDATE_PASSWORD;\r | |
591 | \r | |
592 | //\r | |
593 | // Locate Hii Database protocol\r | |
594 | //\r | |
595 | Status = gBS->LocateProtocol (&gEfiHiiDatabaseProtocolGuid, NULL, (VOID **) &HiiDatabase);\r | |
596 | if (EFI_ERROR (Status)) {\r | |
597 | return Status;\r | |
598 | }\r | |
599 | PrivateData->HiiDatabase = HiiDatabase;\r | |
600 | \r | |
601 | //\r | |
602 | // Locate HiiString protocol\r | |
603 | //\r | |
604 | Status = gBS->LocateProtocol (&gEfiHiiStringProtocolGuid, NULL, (VOID **) &HiiString);\r | |
605 | if (EFI_ERROR (Status)) {\r | |
606 | return Status;\r | |
607 | }\r | |
608 | PrivateData->HiiString = HiiString;\r | |
609 | \r | |
610 | //\r | |
611 | // Locate Formbrowser2 protocol\r | |
612 | //\r | |
613 | Status = gBS->LocateProtocol (&gEfiFormBrowser2ProtocolGuid, NULL, (VOID **) &FormBrowser2);\r | |
614 | if (EFI_ERROR (Status)) {\r | |
615 | return Status;\r | |
616 | }\r | |
617 | PrivateData->FormBrowser2 = FormBrowser2;\r | |
618 | \r | |
619 | //\r | |
620 | // Locate ConfigRouting protocol\r | |
621 | //\r | |
622 | Status = gBS->LocateProtocol (&gEfiHiiConfigRoutingProtocolGuid, NULL, (VOID **) &HiiConfigRouting);\r | |
623 | if (EFI_ERROR (Status)) {\r | |
624 | return Status;\r | |
625 | }\r | |
626 | PrivateData->HiiConfigRouting = HiiConfigRouting;\r | |
627 | \r | |
628 | //\r | |
629 | // Install Config Access protocol\r | |
630 | //\r | |
631 | Status = HiiLibCreateHiiDriverHandle (&DriverHandle[0]);\r | |
632 | if (EFI_ERROR (Status)) {\r | |
633 | return Status;\r | |
634 | }\r | |
635 | PrivateData->DriverHandle[0] = DriverHandle[0];\r | |
636 | \r | |
637 | Status = gBS->InstallProtocolInterface (\r | |
638 | &DriverHandle[0],\r | |
639 | &gEfiHiiConfigAccessProtocolGuid,\r | |
640 | EFI_NATIVE_INTERFACE,\r | |
641 | &PrivateData->ConfigAccess\r | |
642 | );\r | |
643 | ASSERT_EFI_ERROR (Status);\r | |
644 | \r | |
645 | //\r | |
646 | // Publish our HII data\r | |
647 | //\r | |
9226efe5 | 648 | PackageList = HiiLibPreparePackageList (\r |
93e3992d | 649 | 2,\r |
650 | &mFormSetGuid,\r | |
651 | DriverSampleStrings,\r | |
652 | VfrBin\r | |
653 | );\r | |
654 | if (PackageList == NULL) {\r | |
655 | return EFI_OUT_OF_RESOURCES;\r | |
656 | }\r | |
657 | \r | |
658 | Status = HiiDatabase->NewPackageList (\r | |
659 | HiiDatabase,\r | |
660 | PackageList,\r | |
661 | DriverHandle[0],\r | |
662 | &HiiHandle[0]\r | |
663 | );\r | |
664 | gBS->FreePool (PackageList);\r | |
665 | if (EFI_ERROR (Status)) {\r | |
666 | return Status;\r | |
667 | }\r | |
668 | PrivateData->HiiHandle[0] = HiiHandle[0];\r | |
669 | \r | |
670 | //\r | |
671 | // Publish another Fromset\r | |
672 | //\r | |
673 | Status = HiiLibCreateHiiDriverHandle (&DriverHandle[1]);\r | |
674 | if (EFI_ERROR (Status)) {\r | |
675 | return Status;\r | |
676 | }\r | |
677 | PrivateData->DriverHandle[1] = DriverHandle[1];\r | |
678 | \r | |
9226efe5 | 679 | PackageList = HiiLibPreparePackageList (\r |
93e3992d | 680 | 2,\r |
681 | &mInventoryGuid,\r | |
682 | DriverSampleStrings,\r | |
683 | InventoryBin\r | |
684 | );\r | |
685 | if (PackageList == NULL) {\r | |
686 | return EFI_OUT_OF_RESOURCES;\r | |
687 | }\r | |
688 | \r | |
689 | Status = HiiDatabase->NewPackageList (\r | |
690 | HiiDatabase,\r | |
691 | PackageList,\r | |
692 | DriverHandle[1],\r | |
693 | &HiiHandle[1]\r | |
694 | );\r | |
695 | gBS->FreePool (PackageList);\r | |
696 | if (EFI_ERROR (Status)) {\r | |
697 | return Status;\r | |
698 | }\r | |
699 | PrivateData->HiiHandle[1] = HiiHandle[1];\r | |
700 | \r | |
701 | //\r | |
702 | // Very simple example of how one would update a string that is already\r | |
703 | // in the HII database\r | |
704 | //\r | |
705 | NewString = L"700 Mhz";\r | |
706 | \r | |
9226efe5 | 707 | Status = HiiLibSetString (HiiHandle[0], STRING_TOKEN (STR_CPU_STRING2), NewString);\r |
93e3992d | 708 | if (EFI_ERROR (Status)) {\r |
709 | return Status;\r | |
710 | }\r | |
711 | \r | |
712 | //\r | |
713 | // Initialize configuration data\r | |
714 | //\r | |
715 | Configuration = &PrivateData->Configuration;\r | |
716 | ZeroMem (Configuration, sizeof (DRIVER_SAMPLE_CONFIGURATION));\r | |
717 | \r | |
718 | //\r | |
719 | // Try to read NV config EFI variable first\r | |
720 | //\r | |
721 | ExtractIfrDefault = TRUE;\r | |
722 | BufferSize = sizeof (DRIVER_SAMPLE_CONFIGURATION);\r | |
723 | Status = gRT->GetVariable (VariableName, &mFormSetGuid, NULL, &BufferSize, Configuration);\r | |
724 | if (!EFI_ERROR (Status) && (BufferSize == sizeof (DRIVER_SAMPLE_CONFIGURATION))) {\r | |
725 | ExtractIfrDefault = FALSE;\r | |
726 | }\r | |
727 | \r | |
728 | if (ExtractIfrDefault) {\r | |
729 | //\r | |
730 | // EFI variable for NV config doesn't exit, we should build this variable\r | |
731 | // based on default values stored in IFR\r | |
732 | //\r | |
733 | BufferSize = sizeof (DRIVER_SAMPLE_CONFIGURATION);\r | |
9226efe5 | 734 | Status = IfrLibExtractDefault (Configuration, &BufferSize, 1, VfrMyIfrNVDataDefault0000);\r |
93e3992d | 735 | \r |
736 | if (!EFI_ERROR (Status)) {\r | |
737 | gRT->SetVariable(\r | |
738 | VariableName,\r | |
739 | &mFormSetGuid,\r | |
740 | EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS,\r | |
741 | sizeof (DRIVER_SAMPLE_CONFIGURATION),\r | |
742 | Configuration\r | |
743 | );\r | |
744 | }\r | |
745 | }\r | |
746 | \r | |
747 | //\r | |
748 | // Example of how to display only the item we sent to HII\r | |
749 | //\r | |
750 | if (DISPLAY_ONLY_MY_ITEM == 0x0001) {\r | |
751 | //\r | |
752 | // Have the browser pull out our copy of the data, and only display our data\r | |
753 | //\r | |
754 | // Status = FormConfig->SendForm (FormConfig, TRUE, HiiHandle, NULL, NULL, NULL, &Screen, NULL);\r | |
755 | //\r | |
756 | Status = FormBrowser2->SendForm (\r | |
757 | FormBrowser2,\r | |
758 | HiiHandle,\r | |
759 | 1,\r | |
760 | NULL,\r | |
761 | 0,\r | |
762 | NULL,\r | |
763 | NULL\r | |
764 | );\r | |
765 | SavedStatus = Status;\r | |
766 | \r | |
767 | Status = HiiDatabase->RemovePackageList (HiiDatabase, HiiHandle[0]);\r | |
768 | if (EFI_ERROR (Status)) {\r | |
769 | return Status;\r | |
770 | }\r | |
771 | \r | |
772 | Status = HiiDatabase->RemovePackageList (HiiDatabase, HiiHandle[1]);\r | |
773 | if (EFI_ERROR (Status)) {\r | |
774 | return Status;\r | |
775 | }\r | |
776 | \r | |
777 | return SavedStatus;\r | |
778 | } else {\r | |
779 | //\r | |
780 | // Have the browser pull out all the data in the HII Database and display it.\r | |
781 | //\r | |
782 | // Status = FormConfig->SendForm (FormConfig, TRUE, 0, NULL, NULL, NULL, NULL, NULL);\r | |
783 | //\r | |
784 | }\r | |
785 | \r | |
786 | return EFI_SUCCESS;\r | |
787 | }\r |