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93e3992d | 1 | /** @file\r |
53cf48e0 | 2 | This is an example of how a driver might export data to the HII protocol to be\r |
3 | later utilized by the Setup Protocol\r | |
4 | \r | |
8d00a0f1 | 5 | Copyright (c) 2004 - 2008, Intel Corporation\r |
93e3992d | 6 | All rights reserved. This program and the accompanying materials\r |
7 | are licensed and made available under the terms and conditions of the BSD License\r | |
8 | which accompanies this distribution. The full text of the license may be found at\r | |
9 | http://opensource.org/licenses/bsd-license.php\r | |
10 | \r | |
11 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
12 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
13 | \r | |
93e3992d | 14 | **/\r |
15 | \r | |
16 | \r | |
17 | #include "DriverSample.h"\r | |
18 | \r | |
19 | #define DISPLAY_ONLY_MY_ITEM 0x0002\r | |
20 | \r | |
21 | EFI_GUID mFormSetGuid = FORMSET_GUID;\r | |
22 | EFI_GUID mInventoryGuid = INVENTORY_GUID;\r | |
23 | \r | |
24 | CHAR16 VariableName[] = L"MyIfrNVData";\r | |
25 | \r | |
7064c0a5 | 26 | /**\r |
27 | Encode the password using a simple algorithm.\r | |
28 | \r | |
29 | @param Password The string to be encoded.\r | |
30 | @param MaxSize The size of the string.\r | |
31 | \r | |
32 | **/\r | |
93e3992d | 33 | VOID\r |
34 | EncodePassword (\r | |
35 | IN CHAR16 *Password,\r | |
5a829f56 | 36 | IN UINTN MaxSize\r |
93e3992d | 37 | )\r |
38 | {\r | |
39 | UINTN Index;\r | |
40 | UINTN Loop;\r | |
41 | CHAR16 *Buffer;\r | |
42 | CHAR16 *Key;\r | |
43 | \r | |
44 | Key = L"MAR10648567";\r | |
45 | Buffer = AllocateZeroPool (MaxSize);\r | |
46 | ASSERT (Buffer != NULL);\r | |
47 | \r | |
48 | for (Index = 0; Key[Index] != 0; Index++) {\r | |
49 | for (Loop = 0; Loop < (UINT8) (MaxSize / 2); Loop++) {\r | |
50 | Buffer[Loop] = (CHAR16) (Password[Loop] ^ Key[Index]);\r | |
51 | }\r | |
52 | }\r | |
53 | \r | |
54 | CopyMem (Password, Buffer, MaxSize);\r | |
55 | \r | |
53cf48e0 | 56 | FreePool (Buffer);\r |
93e3992d | 57 | return ;\r |
58 | }\r | |
59 | \r | |
7064c0a5 | 60 | /**\r |
61 | Validate the user's password.\r | |
62 | \r | |
63 | @param PrivateData This driver's private context data.\r | |
64 | @param StringId The user's input.\r | |
65 | \r | |
66 | @retval EFI_SUCCESS The user's input matches the password.\r | |
67 | @retval EFI_NOT_READY The user's input does not match the password.\r | |
68 | **/\r | |
93e3992d | 69 | EFI_STATUS\r |
70 | ValidatePassword (\r | |
7064c0a5 | 71 | IN DRIVER_SAMPLE_PRIVATE_DATA *PrivateData,\r |
72 | IN EFI_STRING_ID StringId\r | |
93e3992d | 73 | )\r |
74 | {\r | |
75 | EFI_STATUS Status;\r | |
76 | UINTN Index;\r | |
77 | UINTN BufferSize;\r | |
78 | CHAR16 *Password;\r | |
79 | CHAR16 *EncodedPassword;\r | |
80 | BOOLEAN OldPassword;\r | |
81 | \r | |
82 | //\r | |
83 | // Get encoded password first\r | |
84 | //\r | |
85 | BufferSize = sizeof (DRIVER_SAMPLE_CONFIGURATION);\r | |
86 | Status = gRT->GetVariable (\r | |
87 | VariableName,\r | |
88 | &mFormSetGuid,\r | |
89 | NULL,\r | |
90 | &BufferSize,\r | |
91 | &PrivateData->Configuration\r | |
92 | );\r | |
93 | if (EFI_ERROR (Status)) {\r | |
94 | //\r | |
95 | // Old password not exist, prompt for new password\r | |
96 | //\r | |
97 | return EFI_SUCCESS;\r | |
98 | }\r | |
99 | \r | |
100 | OldPassword = FALSE;\r | |
101 | //\r | |
102 | // Check whether we have any old password set\r | |
103 | //\r | |
104 | for (Index = 0; Index < 20; Index++) {\r | |
105 | if (PrivateData->Configuration.WhatIsThePassword2[Index] != 0) {\r | |
106 | OldPassword = TRUE;\r | |
107 | break;\r | |
108 | }\r | |
109 | }\r | |
110 | if (!OldPassword) {\r | |
111 | //\r | |
112 | // Old password not exist, return EFI_SUCCESS to prompt for new password\r | |
113 | //\r | |
114 | return EFI_SUCCESS;\r | |
115 | }\r | |
116 | \r | |
117 | //\r | |
118 | // Get user input password\r | |
119 | //\r | |
120 | BufferSize = 21 * sizeof (CHAR16);\r | |
121 | Password = AllocateZeroPool (BufferSize);\r | |
122 | ASSERT (Password != NULL);\r | |
123 | \r | |
9226efe5 | 124 | Status = HiiLibGetString (PrivateData->HiiHandle[0], StringId, Password, &BufferSize);\r |
93e3992d | 125 | if (EFI_ERROR (Status)) {\r |
53cf48e0 | 126 | FreePool (Password);\r |
93e3992d | 127 | return Status;\r |
128 | }\r | |
129 | \r | |
130 | //\r | |
131 | // Validate old password\r | |
132 | //\r | |
133 | EncodedPassword = AllocateCopyPool (21 * sizeof (CHAR16), Password);\r | |
134 | ASSERT (EncodedPassword != NULL);\r | |
135 | EncodePassword (EncodedPassword, 20 * sizeof (CHAR16));\r | |
136 | if (CompareMem (EncodedPassword, PrivateData->Configuration.WhatIsThePassword2, 20 * sizeof (CHAR16)) != 0) {\r | |
137 | //\r | |
138 | // Old password mismatch, return EFI_NOT_READY to prompt for error message\r | |
139 | //\r | |
140 | Status = EFI_NOT_READY;\r | |
141 | } else {\r | |
142 | Status = EFI_SUCCESS;\r | |
143 | }\r | |
144 | \r | |
53cf48e0 | 145 | FreePool (Password);\r |
146 | FreePool (EncodedPassword);\r | |
93e3992d | 147 | \r |
148 | return Status;\r | |
149 | }\r | |
150 | \r | |
7064c0a5 | 151 | /**\r |
152 | Encode the password using a simple algorithm.\r | |
153 | \r | |
154 | @param PrivateData This driver's private context data.\r | |
155 | @param StringId The password from User.\r | |
156 | \r | |
157 | @retval EFI_SUCESS The operation is successful.\r | |
158 | @return Other value if gRT->SetVariable () fails.\r | |
159 | \r | |
160 | **/\r | |
93e3992d | 161 | EFI_STATUS\r |
162 | SetPassword (\r | |
7064c0a5 | 163 | IN DRIVER_SAMPLE_PRIVATE_DATA *PrivateData,\r |
164 | IN EFI_STRING_ID StringId\r | |
93e3992d | 165 | )\r |
166 | {\r | |
167 | EFI_STATUS Status;\r | |
168 | UINTN BufferSize;\r | |
169 | CHAR16 *Password;\r | |
5a829f56 | 170 | UINTN PasswordSize;\r |
93e3992d | 171 | DRIVER_SAMPLE_CONFIGURATION *Configuration;\r |
172 | \r | |
173 | //\r | |
174 | // Get Buffer Storage data from EFI variable\r | |
175 | //\r | |
176 | BufferSize = sizeof (DRIVER_SAMPLE_CONFIGURATION);\r | |
177 | Status = gRT->GetVariable (\r | |
178 | VariableName,\r | |
179 | &mFormSetGuid,\r | |
180 | NULL,\r | |
181 | &BufferSize,\r | |
182 | &PrivateData->Configuration\r | |
183 | );\r | |
184 | if (EFI_ERROR (Status)) {\r | |
185 | return Status;\r | |
186 | }\r | |
187 | \r | |
188 | //\r | |
189 | // Get user input password\r | |
190 | //\r | |
191 | Password = &PrivateData->Configuration.WhatIsThePassword2[0];\r | |
5a829f56 | 192 | PasswordSize = sizeof (PrivateData->Configuration.WhatIsThePassword2);\r |
193 | \r | |
194 | ZeroMem (Password, PasswordSize);\r | |
9226efe5 | 195 | Status = HiiLibGetString (PrivateData->HiiHandle[0], StringId, Password, &BufferSize);\r |
93e3992d | 196 | if (EFI_ERROR (Status)) {\r |
197 | return Status;\r | |
198 | }\r | |
199 | \r | |
200 | //\r | |
201 | // Retrive uncommitted data from Browser\r | |
202 | //\r | |
203 | BufferSize = sizeof (DRIVER_SAMPLE_CONFIGURATION);\r | |
204 | Configuration = AllocateZeroPool (sizeof (DRIVER_SAMPLE_PRIVATE_DATA));\r | |
205 | ASSERT (Configuration != NULL);\r | |
206 | Status = GetBrowserData (&mFormSetGuid, VariableName, &BufferSize, (UINT8 *) Configuration);\r | |
207 | if (!EFI_ERROR (Status)) {\r | |
208 | //\r | |
209 | // Update password's clear text in the screen\r | |
210 | //\r | |
5a829f56 | 211 | CopyMem (Configuration->PasswordClearText, Password, PasswordSize);\r |
93e3992d | 212 | \r |
213 | //\r | |
214 | // Update uncommitted data of Browser\r | |
215 | //\r | |
216 | BufferSize = sizeof (DRIVER_SAMPLE_CONFIGURATION);\r | |
217 | Status = SetBrowserData (\r | |
218 | &mFormSetGuid,\r | |
219 | VariableName,\r | |
220 | BufferSize,\r | |
221 | (UINT8 *) Configuration,\r | |
222 | NULL\r | |
223 | );\r | |
224 | }\r | |
53cf48e0 | 225 | FreePool (Configuration);\r |
93e3992d | 226 | \r |
227 | //\r | |
228 | // Set password\r | |
229 | //\r | |
5a829f56 | 230 | EncodePassword (Password, PasswordSize);\r |
93e3992d | 231 | Status = gRT->SetVariable(\r |
232 | VariableName,\r | |
233 | &mFormSetGuid,\r | |
234 | EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS,\r | |
235 | sizeof (DRIVER_SAMPLE_CONFIGURATION),\r | |
236 | &PrivateData->Configuration\r | |
237 | );\r | |
238 | return Status;\r | |
239 | }\r | |
240 | \r | |
241 | \r | |
242 | /**\r | |
243 | This function allows a caller to extract the current configuration for one\r | |
244 | or more named elements from the target driver.\r | |
245 | \r | |
246 | @param This Points to the EFI_HII_CONFIG_ACCESS_PROTOCOL.\r | |
247 | @param Request A null-terminated Unicode string in\r | |
248 | <ConfigRequest> format.\r | |
249 | @param Progress On return, points to a character in the Request\r | |
250 | string. Points to the string's null terminator if\r | |
251 | request was successful. Points to the most recent\r | |
252 | '&' before the first failing name/value pair (or\r | |
253 | the beginning of the string if the failure is in\r | |
254 | the first name/value pair) if the request was not\r | |
255 | successful.\r | |
256 | @param Results A null-terminated Unicode string in\r | |
257 | <ConfigAltResp> format which has all values filled\r | |
258 | in for the names in the Request string. String to\r | |
259 | be allocated by the called function.\r | |
260 | \r | |
261 | @retval EFI_SUCCESS The Results is filled with the requested values.\r | |
262 | @retval EFI_OUT_OF_RESOURCES Not enough memory to store the results.\r | |
263 | @retval EFI_INVALID_PARAMETER Request is NULL, illegal syntax, or unknown name.\r | |
264 | @retval EFI_NOT_FOUND Routing data doesn't match any storage in this\r | |
265 | driver.\r | |
266 | \r | |
267 | **/\r | |
268 | EFI_STATUS\r | |
269 | EFIAPI\r | |
270 | ExtractConfig (\r | |
271 | IN CONST EFI_HII_CONFIG_ACCESS_PROTOCOL *This,\r | |
272 | IN CONST EFI_STRING Request,\r | |
273 | OUT EFI_STRING *Progress,\r | |
274 | OUT EFI_STRING *Results\r | |
275 | )\r | |
276 | {\r | |
277 | EFI_STATUS Status;\r | |
278 | UINTN BufferSize;\r | |
279 | DRIVER_SAMPLE_PRIVATE_DATA *PrivateData;\r | |
280 | EFI_HII_CONFIG_ROUTING_PROTOCOL *HiiConfigRouting;\r | |
281 | \r | |
282 | PrivateData = DRIVER_SAMPLE_PRIVATE_FROM_THIS (This);\r | |
283 | HiiConfigRouting = PrivateData->HiiConfigRouting;\r | |
284 | \r | |
8d00a0f1 | 285 | //\r |
93e3992d | 286 | //\r |
287 | // Get Buffer Storage data from EFI variable\r | |
288 | //\r | |
289 | BufferSize = sizeof (DRIVER_SAMPLE_CONFIGURATION);\r | |
290 | Status = gRT->GetVariable (\r | |
291 | VariableName,\r | |
292 | &mFormSetGuid,\r | |
293 | NULL,\r | |
294 | &BufferSize,\r | |
295 | &PrivateData->Configuration\r | |
296 | );\r | |
297 | if (EFI_ERROR (Status)) {\r | |
298 | return Status;\r | |
299 | }\r | |
300 | \r | |
8d00a0f1 | 301 | if (Request == NULL) {\r |
302 | //\r | |
303 | // Request is set to NULL, return all configurable elements together with ALTCFG\r | |
304 | //\r | |
305 | Status = ConstructConfigAltResp (\r | |
306 | NULL,\r | |
307 | NULL,\r | |
308 | Results,\r | |
309 | &mFormSetGuid,\r | |
310 | VariableName,\r | |
311 | PrivateData->DriverHandle[0],\r | |
312 | &PrivateData->Configuration,\r | |
313 | BufferSize,\r | |
314 | VfrMyIfrNVDataBlockName,\r | |
315 | 2,\r | |
316 | STRING_TOKEN (STR_STANDARD_DEFAULT_PROMPT),\r | |
317 | VfrMyIfrNVDataDefault0000,\r | |
318 | STRING_TOKEN (STR_MANUFACTURE_DEFAULT_PROMPT),\r | |
319 | VfrMyIfrNVDataDefault0001\r | |
320 | );\r | |
321 | \r | |
322 | return Status;\r | |
323 | }\r | |
324 | \r | |
325 | //\r | |
326 | // Check routing data in <ConfigHdr>.\r | |
327 | // Note: if only one Storage is used, then this checking could be skipped.\r | |
328 | //\r | |
329 | if (!IsConfigHdrMatch (Request, &mFormSetGuid, VariableName)) {\r | |
330 | *Progress = Request;\r | |
331 | return EFI_NOT_FOUND;\r | |
332 | }\r | |
333 | \r | |
93e3992d | 334 | //\r |
335 | // Convert buffer data to <ConfigResp> by helper function BlockToConfig()\r | |
336 | //\r | |
337 | Status = HiiConfigRouting->BlockToConfig (\r | |
338 | HiiConfigRouting,\r | |
339 | Request,\r | |
340 | (UINT8 *) &PrivateData->Configuration,\r | |
341 | BufferSize,\r | |
342 | Results,\r | |
343 | Progress\r | |
344 | );\r | |
345 | return Status;\r | |
346 | }\r | |
347 | \r | |
348 | \r | |
349 | /**\r | |
350 | This function processes the results of changes in configuration.\r | |
351 | \r | |
352 | @param This Points to the EFI_HII_CONFIG_ACCESS_PROTOCOL.\r | |
353 | @param Configuration A null-terminated Unicode string in <ConfigResp>\r | |
354 | format.\r | |
355 | @param Progress A pointer to a string filled in with the offset of\r | |
356 | the most recent '&' before the first failing\r | |
357 | name/value pair (or the beginning of the string if\r | |
358 | the failure is in the first name/value pair) or\r | |
359 | the terminating NULL if all was successful.\r | |
360 | \r | |
361 | @retval EFI_SUCCESS The Results is processed successfully.\r | |
362 | @retval EFI_INVALID_PARAMETER Configuration is NULL.\r | |
363 | @retval EFI_NOT_FOUND Routing data doesn't match any storage in this\r | |
364 | driver.\r | |
365 | \r | |
366 | **/\r | |
367 | EFI_STATUS\r | |
368 | EFIAPI\r | |
369 | RouteConfig (\r | |
370 | IN CONST EFI_HII_CONFIG_ACCESS_PROTOCOL *This,\r | |
371 | IN CONST EFI_STRING Configuration,\r | |
372 | OUT EFI_STRING *Progress\r | |
373 | )\r | |
374 | {\r | |
375 | EFI_STATUS Status;\r | |
376 | UINTN BufferSize;\r | |
377 | DRIVER_SAMPLE_PRIVATE_DATA *PrivateData;\r | |
378 | EFI_HII_CONFIG_ROUTING_PROTOCOL *HiiConfigRouting;\r | |
379 | \r | |
8d00a0f1 | 380 | if (Configuration == NULL) {\r |
381 | return EFI_INVALID_PARAMETER;\r | |
382 | }\r | |
383 | \r | |
93e3992d | 384 | PrivateData = DRIVER_SAMPLE_PRIVATE_FROM_THIS (This);\r |
385 | HiiConfigRouting = PrivateData->HiiConfigRouting;\r | |
386 | \r | |
8d00a0f1 | 387 | // Check routing data in <ConfigHdr>.\r |
388 | // Note: if only one Storage is used, then this checking could be skipped.\r | |
389 | //\r | |
390 | if (!IsConfigHdrMatch (Configuration, &mFormSetGuid, VariableName)) {\r | |
391 | *Progress = Configuration;\r | |
392 | return EFI_NOT_FOUND;\r | |
393 | }\r | |
394 | \r | |
93e3992d | 395 | //\r |
396 | // Get Buffer Storage data from EFI variable\r | |
397 | //\r | |
398 | BufferSize = sizeof (DRIVER_SAMPLE_CONFIGURATION);\r | |
399 | Status = gRT->GetVariable (\r | |
400 | VariableName,\r | |
401 | &mFormSetGuid,\r | |
402 | NULL,\r | |
403 | &BufferSize,\r | |
404 | &PrivateData->Configuration\r | |
405 | );\r | |
406 | if (EFI_ERROR (Status)) {\r | |
407 | return Status;\r | |
408 | }\r | |
409 | \r | |
410 | //\r | |
411 | // Convert <ConfigResp> to buffer data by helper function ConfigToBlock()\r | |
412 | //\r | |
413 | BufferSize = sizeof (DRIVER_SAMPLE_CONFIGURATION);\r | |
414 | Status = HiiConfigRouting->ConfigToBlock (\r | |
415 | HiiConfigRouting,\r | |
416 | Configuration,\r | |
417 | (UINT8 *) &PrivateData->Configuration,\r | |
418 | &BufferSize,\r | |
419 | Progress\r | |
420 | );\r | |
421 | if (EFI_ERROR (Status)) {\r | |
422 | return Status;\r | |
423 | }\r | |
424 | \r | |
425 | //\r | |
426 | // Store Buffer Storage back to EFI variable\r | |
427 | //\r | |
428 | Status = gRT->SetVariable(\r | |
429 | VariableName,\r | |
430 | &mFormSetGuid,\r | |
431 | EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS,\r | |
432 | sizeof (DRIVER_SAMPLE_CONFIGURATION),\r | |
433 | &PrivateData->Configuration\r | |
434 | );\r | |
435 | \r | |
436 | return Status;\r | |
437 | }\r | |
438 | \r | |
439 | \r | |
440 | /**\r | |
441 | This function processes the results of changes in configuration.\r | |
442 | \r | |
443 | @param This Points to the EFI_HII_CONFIG_ACCESS_PROTOCOL.\r | |
444 | @param Action Specifies the type of action taken by the browser.\r | |
445 | @param QuestionId A unique value which is sent to the original\r | |
446 | exporting driver so that it can identify the type\r | |
447 | of data to expect.\r | |
448 | @param Type The type of value for the question.\r | |
449 | @param Value A pointer to the data being sent to the original\r | |
450 | exporting driver.\r | |
451 | @param ActionRequest On return, points to the action requested by the\r | |
452 | callback function.\r | |
453 | \r | |
454 | @retval EFI_SUCCESS The callback successfully handled the action.\r | |
455 | @retval EFI_OUT_OF_RESOURCES Not enough storage is available to hold the\r | |
456 | variable and its data.\r | |
457 | @retval EFI_DEVICE_ERROR The variable could not be saved.\r | |
458 | @retval EFI_UNSUPPORTED The specified Action is not supported by the\r | |
459 | callback.\r | |
460 | \r | |
461 | **/\r | |
462 | EFI_STATUS\r | |
463 | EFIAPI\r | |
464 | DriverCallback (\r | |
465 | IN CONST EFI_HII_CONFIG_ACCESS_PROTOCOL *This,\r | |
466 | IN EFI_BROWSER_ACTION Action,\r | |
467 | IN EFI_QUESTION_ID QuestionId,\r | |
468 | IN UINT8 Type,\r | |
469 | IN EFI_IFR_TYPE_VALUE *Value,\r | |
470 | OUT EFI_BROWSER_ACTION_REQUEST *ActionRequest\r | |
471 | )\r | |
472 | {\r | |
473 | DRIVER_SAMPLE_PRIVATE_DATA *PrivateData;\r | |
474 | EFI_STATUS Status;\r | |
475 | EFI_HII_UPDATE_DATA UpdateData;\r | |
476 | IFR_OPTION *IfrOptionList;\r | |
8d00a0f1 | 477 | UINT8 MyVar;\r |
93e3992d | 478 | \r |
479 | if ((Value == NULL) || (ActionRequest == NULL)) {\r | |
480 | return EFI_INVALID_PARAMETER;\r | |
481 | }\r | |
482 | \r | |
483 | Status = EFI_SUCCESS;\r | |
484 | PrivateData = DRIVER_SAMPLE_PRIVATE_FROM_THIS (This);\r | |
485 | \r | |
486 | switch (QuestionId) {\r | |
487 | case 0x1234:\r | |
488 | //\r | |
8d00a0f1 | 489 | // Initialize the container for dynamic opcodes\r |
93e3992d | 490 | //\r |
8d00a0f1 | 491 | IfrLibInitUpdateData (&UpdateData, 0x1000);\r |
93e3992d | 492 | \r |
493 | IfrOptionList = AllocatePool (2 * sizeof (IFR_OPTION));\r | |
494 | ASSERT (IfrOptionList != NULL);\r | |
495 | \r | |
496 | IfrOptionList[0].Flags = 0;\r | |
497 | IfrOptionList[0].StringToken = STRING_TOKEN (STR_BOOT_OPTION1);\r | |
498 | IfrOptionList[0].Value.u8 = 1;\r | |
499 | IfrOptionList[1].Flags = EFI_IFR_OPTION_DEFAULT;\r | |
500 | IfrOptionList[1].StringToken = STRING_TOKEN (STR_BOOT_OPTION2);\r | |
501 | IfrOptionList[1].Value.u8 = 2;\r | |
502 | \r | |
8d00a0f1 | 503 | CreateActionOpCode (\r |
504 | 0x1237, // Question ID\r | |
505 | STRING_TOKEN(STR_EXIT_TEXT), // Prompt text\r | |
506 | STRING_TOKEN(STR_EXIT_TEXT), // Help text\r | |
507 | EFI_IFR_FLAG_CALLBACK, // Question flag\r | |
508 | 0, // Action String ID\r | |
509 | &UpdateData // Container for dynamic created opcodes\r | |
510 | );\r | |
511 | \r | |
512 | //\r | |
513 | // Prepare initial value for the dynamic created oneof Question\r | |
514 | //\r | |
515 | PrivateData->Configuration.DynamicOneof = 2;\r | |
516 | Status = gRT->SetVariable(\r | |
517 | VariableName,\r | |
518 | &mFormSetGuid,\r | |
519 | EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS,\r | |
520 | sizeof (DRIVER_SAMPLE_CONFIGURATION),\r | |
521 | &PrivateData->Configuration\r | |
522 | );\r | |
523 | CreateOneOfOpCode (\r | |
999acf5a | 524 | 0x8001, // Question ID (or call it "key")\r |
525 | CONFIGURATION_VARSTORE_ID, // VarStore ID\r | |
526 | (UINT16) DYNAMIC_ONE_OF_VAR_OFFSET, // Offset in Buffer Storage\r | |
527 | STRING_TOKEN (STR_ONE_OF_PROMPT), // Question prompt text\r | |
528 | STRING_TOKEN (STR_ONE_OF_HELP), // Question help text\r | |
529 | EFI_IFR_FLAG_CALLBACK, // Question flag\r | |
530 | EFI_IFR_NUMERIC_SIZE_1, // Data type of Question Value\r | |
531 | IfrOptionList, // Option list\r | |
532 | 2, // Number of options in Option list\r | |
533 | &UpdateData // Container for dynamic created opcodes\r | |
8d00a0f1 | 534 | );\r |
535 | \r | |
536 | CreateOrderedListOpCode (\r | |
999acf5a | 537 | 0x8002, // Question ID\r |
538 | CONFIGURATION_VARSTORE_ID, // VarStore ID\r | |
539 | (UINT16) DYNAMIC_ORDERED_LIST_VAR_OFFSET, // Offset in Buffer Storage\r | |
540 | STRING_TOKEN (STR_BOOT_OPTIONS), // Question prompt text\r | |
541 | STRING_TOKEN (STR_BOOT_OPTIONS), // Question help text\r | |
542 | EFI_IFR_FLAG_RESET_REQUIRED, // Question flag\r | |
543 | 0, // Ordered list flag, e.g. EFI_IFR_UNIQUE_SET\r | |
544 | EFI_IFR_NUMERIC_SIZE_1, // Data type of Question value\r | |
545 | 5, // Maximum container\r | |
546 | IfrOptionList, // Option list\r | |
547 | 2, // Number of options in Option list\r | |
548 | &UpdateData // Container for dynamic created opcodes\r | |
8d00a0f1 | 549 | );\r |
550 | \r | |
551 | CreateGotoOpCode (\r | |
552 | 1, // Target Form ID\r | |
553 | STRING_TOKEN (STR_GOTO_FORM1), // Prompt text\r | |
554 | STRING_TOKEN (STR_GOTO_HELP), // Help text\r | |
555 | 0, // Question flag\r | |
556 | 0x8003, // Question ID\r | |
557 | &UpdateData // Container for dynamic created opcodes\r | |
558 | );\r | |
559 | \r | |
560 | Status = IfrLibUpdateForm (\r | |
561 | PrivateData->HiiHandle[0], // HII handle\r | |
562 | &mFormSetGuid, // Formset GUID\r | |
563 | 0x1234, // Form ID\r | |
564 | 0x1234, // Label for where to insert opcodes\r | |
565 | TRUE, // Append or replace\r | |
566 | &UpdateData // Dynamic created opcodes\r | |
567 | );\r | |
53cf48e0 | 568 | FreePool (IfrOptionList);\r |
8d00a0f1 | 569 | IfrLibFreeUpdateData (&UpdateData);\r |
570 | break;\r | |
571 | \r | |
572 | case 0x5678:\r | |
573 | //\r | |
574 | // We will reach here once the Question is refreshed\r | |
575 | //\r | |
576 | IfrLibInitUpdateData (&UpdateData, 0x1000);\r | |
577 | \r | |
578 | IfrOptionList = AllocatePool (2 * sizeof (IFR_OPTION));\r | |
579 | ASSERT (IfrOptionList != NULL);\r | |
580 | \r | |
581 | CreateActionOpCode (\r | |
582 | 0x1237, // Question ID\r | |
583 | STRING_TOKEN(STR_EXIT_TEXT), // Prompt text\r | |
584 | STRING_TOKEN(STR_EXIT_TEXT), // Help text\r | |
585 | EFI_IFR_FLAG_CALLBACK, // Question flag\r | |
586 | 0, // Action String ID\r | |
587 | &UpdateData // Container for dynamic created opcodes\r | |
588 | );\r | |
589 | \r | |
590 | Status = IfrLibUpdateForm (\r | |
591 | PrivateData->HiiHandle[0], // HII handle\r | |
592 | &mFormSetGuid, // Formset GUID\r | |
593 | 3, // Form ID\r | |
594 | 0x2234, // Label for where to insert opcodes\r | |
595 | TRUE, // Append or replace\r | |
596 | &UpdateData // Dynamic created opcodes\r | |
597 | );\r | |
598 | IfrLibFreeUpdateData (&UpdateData);\r | |
599 | \r | |
600 | //\r | |
601 | // Refresh the Question value\r | |
602 | //\r | |
603 | PrivateData->Configuration.DynamicRefresh++;\r | |
604 | Status = gRT->SetVariable(\r | |
605 | VariableName,\r | |
606 | &mFormSetGuid,\r | |
607 | EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS,\r | |
608 | sizeof (DRIVER_SAMPLE_CONFIGURATION),\r | |
609 | &PrivateData->Configuration\r | |
610 | );\r | |
611 | \r | |
612 | //\r | |
613 | // Change an EFI Variable storage (MyEfiVar) asynchronous, this will cause\r | |
614 | // the first statement in Form 3 be suppressed\r | |
615 | //\r | |
616 | MyVar = 111;\r | |
617 | Status = gRT->SetVariable(\r | |
618 | L"MyVar",\r | |
619 | &mFormSetGuid,\r | |
620 | EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS,\r | |
621 | 1,\r | |
622 | &MyVar\r | |
623 | );\r | |
93e3992d | 624 | break;\r |
625 | \r | |
626 | case 0x1237:\r | |
627 | //\r | |
628 | // User press "Exit now", request Browser to exit\r | |
629 | //\r | |
630 | *ActionRequest = EFI_BROWSER_ACTION_REQUEST_EXIT;\r | |
631 | break;\r | |
632 | \r | |
633 | case 0x1238:\r | |
634 | //\r | |
635 | // User press "Save now", request Browser to save the uncommitted data.\r | |
636 | //\r | |
637 | *ActionRequest = EFI_BROWSER_ACTION_REQUEST_SUBMIT;\r | |
638 | break;\r | |
639 | \r | |
640 | case 0x2000:\r | |
641 | //\r | |
642 | // When try to set a new password, user will be chanlleged with old password.\r | |
643 | // The Callback is responsible for validating old password input by user,\r | |
644 | // If Callback return EFI_SUCCESS, it indicates validation pass.\r | |
645 | //\r | |
646 | switch (PrivateData->PasswordState) {\r | |
647 | case BROWSER_STATE_VALIDATE_PASSWORD:\r | |
648 | Status = ValidatePassword (PrivateData, Value->string);\r | |
649 | if (Status == EFI_SUCCESS) {\r | |
650 | PrivateData->PasswordState = BROWSER_STATE_SET_PASSWORD;\r | |
651 | }\r | |
652 | break;\r | |
653 | \r | |
654 | case BROWSER_STATE_SET_PASSWORD:\r | |
655 | Status = SetPassword (PrivateData, Value->string);\r | |
656 | PrivateData->PasswordState = BROWSER_STATE_VALIDATE_PASSWORD;\r | |
657 | break;\r | |
658 | \r | |
659 | default:\r | |
660 | break;\r | |
661 | }\r | |
662 | \r | |
663 | break;\r | |
664 | \r | |
665 | default:\r | |
666 | break;\r | |
667 | }\r | |
668 | \r | |
669 | return Status;\r | |
670 | }\r | |
671 | \r | |
7064c0a5 | 672 | /**\r |
673 | Main entry for this driver.\r | |
674 | \r | |
675 | @param ImageHandle Image handle this driver.\r | |
676 | @param SystemTable Pointer to SystemTable.\r | |
677 | \r | |
678 | @retval EFI_SUCESS This function always complete successfully.\r | |
679 | \r | |
680 | **/\r | |
93e3992d | 681 | EFI_STATUS\r |
682 | EFIAPI\r | |
683 | DriverSampleInit (\r | |
684 | IN EFI_HANDLE ImageHandle,\r | |
685 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
686 | )\r | |
687 | {\r | |
688 | EFI_STATUS Status;\r | |
689 | EFI_STATUS SavedStatus;\r | |
690 | EFI_HII_PACKAGE_LIST_HEADER *PackageList;\r | |
691 | EFI_HII_HANDLE HiiHandle[2];\r | |
692 | EFI_HANDLE DriverHandle[2];\r | |
693 | DRIVER_SAMPLE_PRIVATE_DATA *PrivateData;\r | |
694 | EFI_SCREEN_DESCRIPTOR Screen;\r | |
695 | EFI_HII_DATABASE_PROTOCOL *HiiDatabase;\r | |
696 | EFI_HII_STRING_PROTOCOL *HiiString;\r | |
697 | EFI_FORM_BROWSER2_PROTOCOL *FormBrowser2;\r | |
698 | EFI_HII_CONFIG_ROUTING_PROTOCOL *HiiConfigRouting;\r | |
699 | CHAR16 *NewString;\r | |
700 | UINTN BufferSize;\r | |
701 | DRIVER_SAMPLE_CONFIGURATION *Configuration;\r | |
702 | BOOLEAN ExtractIfrDefault;\r | |
703 | \r | |
704 | //\r | |
705 | // Initialize the library and our protocol.\r | |
706 | //\r | |
93e3992d | 707 | \r |
708 | //\r | |
709 | // Initialize screen dimensions for SendForm().\r | |
710 | // Remove 3 characters from top and bottom\r | |
711 | //\r | |
712 | ZeroMem (&Screen, sizeof (EFI_SCREEN_DESCRIPTOR));\r | |
713 | gST->ConOut->QueryMode (gST->ConOut, gST->ConOut->Mode->Mode, &Screen.RightColumn, &Screen.BottomRow);\r | |
714 | \r | |
715 | Screen.TopRow = 3;\r | |
716 | Screen.BottomRow = Screen.BottomRow - 3;\r | |
717 | \r | |
718 | //\r | |
719 | // Initialize driver private data\r | |
720 | //\r | |
721 | PrivateData = AllocatePool (sizeof (DRIVER_SAMPLE_PRIVATE_DATA));\r | |
722 | if (PrivateData == NULL) {\r | |
723 | return EFI_OUT_OF_RESOURCES;\r | |
724 | }\r | |
725 | \r | |
726 | PrivateData->Signature = DRIVER_SAMPLE_PRIVATE_SIGNATURE;\r | |
727 | \r | |
728 | PrivateData->ConfigAccess.ExtractConfig = ExtractConfig;\r | |
729 | PrivateData->ConfigAccess.RouteConfig = RouteConfig;\r | |
730 | PrivateData->ConfigAccess.Callback = DriverCallback;\r | |
731 | PrivateData->PasswordState = BROWSER_STATE_VALIDATE_PASSWORD;\r | |
732 | \r | |
733 | //\r | |
734 | // Locate Hii Database protocol\r | |
735 | //\r | |
736 | Status = gBS->LocateProtocol (&gEfiHiiDatabaseProtocolGuid, NULL, (VOID **) &HiiDatabase);\r | |
737 | if (EFI_ERROR (Status)) {\r | |
738 | return Status;\r | |
739 | }\r | |
740 | PrivateData->HiiDatabase = HiiDatabase;\r | |
741 | \r | |
742 | //\r | |
743 | // Locate HiiString protocol\r | |
744 | //\r | |
745 | Status = gBS->LocateProtocol (&gEfiHiiStringProtocolGuid, NULL, (VOID **) &HiiString);\r | |
746 | if (EFI_ERROR (Status)) {\r | |
747 | return Status;\r | |
748 | }\r | |
749 | PrivateData->HiiString = HiiString;\r | |
750 | \r | |
751 | //\r | |
752 | // Locate Formbrowser2 protocol\r | |
753 | //\r | |
754 | Status = gBS->LocateProtocol (&gEfiFormBrowser2ProtocolGuid, NULL, (VOID **) &FormBrowser2);\r | |
755 | if (EFI_ERROR (Status)) {\r | |
756 | return Status;\r | |
757 | }\r | |
758 | PrivateData->FormBrowser2 = FormBrowser2;\r | |
759 | \r | |
760 | //\r | |
761 | // Locate ConfigRouting protocol\r | |
762 | //\r | |
763 | Status = gBS->LocateProtocol (&gEfiHiiConfigRoutingProtocolGuid, NULL, (VOID **) &HiiConfigRouting);\r | |
764 | if (EFI_ERROR (Status)) {\r | |
765 | return Status;\r | |
766 | }\r | |
767 | PrivateData->HiiConfigRouting = HiiConfigRouting;\r | |
768 | \r | |
769 | //\r | |
770 | // Install Config Access protocol\r | |
771 | //\r | |
772 | Status = HiiLibCreateHiiDriverHandle (&DriverHandle[0]);\r | |
773 | if (EFI_ERROR (Status)) {\r | |
774 | return Status;\r | |
775 | }\r | |
776 | PrivateData->DriverHandle[0] = DriverHandle[0];\r | |
777 | \r | |
778 | Status = gBS->InstallProtocolInterface (\r | |
779 | &DriverHandle[0],\r | |
780 | &gEfiHiiConfigAccessProtocolGuid,\r | |
781 | EFI_NATIVE_INTERFACE,\r | |
782 | &PrivateData->ConfigAccess\r | |
783 | );\r | |
784 | ASSERT_EFI_ERROR (Status);\r | |
785 | \r | |
786 | //\r | |
787 | // Publish our HII data\r | |
788 | //\r | |
9226efe5 | 789 | PackageList = HiiLibPreparePackageList (\r |
93e3992d | 790 | 2,\r |
791 | &mFormSetGuid,\r | |
792 | DriverSampleStrings,\r | |
793 | VfrBin\r | |
794 | );\r | |
795 | if (PackageList == NULL) {\r | |
796 | return EFI_OUT_OF_RESOURCES;\r | |
797 | }\r | |
798 | \r | |
799 | Status = HiiDatabase->NewPackageList (\r | |
800 | HiiDatabase,\r | |
801 | PackageList,\r | |
802 | DriverHandle[0],\r | |
803 | &HiiHandle[0]\r | |
804 | );\r | |
53cf48e0 | 805 | FreePool (PackageList);\r |
93e3992d | 806 | if (EFI_ERROR (Status)) {\r |
807 | return Status;\r | |
808 | }\r | |
809 | PrivateData->HiiHandle[0] = HiiHandle[0];\r | |
810 | \r | |
811 | //\r | |
812 | // Publish another Fromset\r | |
813 | //\r | |
814 | Status = HiiLibCreateHiiDriverHandle (&DriverHandle[1]);\r | |
815 | if (EFI_ERROR (Status)) {\r | |
816 | return Status;\r | |
817 | }\r | |
818 | PrivateData->DriverHandle[1] = DriverHandle[1];\r | |
819 | \r | |
9226efe5 | 820 | PackageList = HiiLibPreparePackageList (\r |
93e3992d | 821 | 2,\r |
822 | &mInventoryGuid,\r | |
823 | DriverSampleStrings,\r | |
824 | InventoryBin\r | |
825 | );\r | |
826 | if (PackageList == NULL) {\r | |
827 | return EFI_OUT_OF_RESOURCES;\r | |
828 | }\r | |
829 | \r | |
830 | Status = HiiDatabase->NewPackageList (\r | |
831 | HiiDatabase,\r | |
832 | PackageList,\r | |
833 | DriverHandle[1],\r | |
834 | &HiiHandle[1]\r | |
835 | );\r | |
53cf48e0 | 836 | FreePool (PackageList);\r |
93e3992d | 837 | if (EFI_ERROR (Status)) {\r |
838 | return Status;\r | |
839 | }\r | |
840 | PrivateData->HiiHandle[1] = HiiHandle[1];\r | |
841 | \r | |
842 | //\r | |
843 | // Very simple example of how one would update a string that is already\r | |
844 | // in the HII database\r | |
845 | //\r | |
846 | NewString = L"700 Mhz";\r | |
847 | \r | |
9226efe5 | 848 | Status = HiiLibSetString (HiiHandle[0], STRING_TOKEN (STR_CPU_STRING2), NewString);\r |
93e3992d | 849 | if (EFI_ERROR (Status)) {\r |
850 | return Status;\r | |
851 | }\r | |
852 | \r | |
853 | //\r | |
854 | // Initialize configuration data\r | |
855 | //\r | |
856 | Configuration = &PrivateData->Configuration;\r | |
857 | ZeroMem (Configuration, sizeof (DRIVER_SAMPLE_CONFIGURATION));\r | |
858 | \r | |
859 | //\r | |
860 | // Try to read NV config EFI variable first\r | |
861 | //\r | |
862 | ExtractIfrDefault = TRUE;\r | |
863 | BufferSize = sizeof (DRIVER_SAMPLE_CONFIGURATION);\r | |
864 | Status = gRT->GetVariable (VariableName, &mFormSetGuid, NULL, &BufferSize, Configuration);\r | |
865 | if (!EFI_ERROR (Status) && (BufferSize == sizeof (DRIVER_SAMPLE_CONFIGURATION))) {\r | |
866 | ExtractIfrDefault = FALSE;\r | |
867 | }\r | |
868 | \r | |
869 | if (ExtractIfrDefault) {\r | |
870 | //\r | |
871 | // EFI variable for NV config doesn't exit, we should build this variable\r | |
872 | // based on default values stored in IFR\r | |
873 | //\r | |
874 | BufferSize = sizeof (DRIVER_SAMPLE_CONFIGURATION);\r | |
9226efe5 | 875 | Status = IfrLibExtractDefault (Configuration, &BufferSize, 1, VfrMyIfrNVDataDefault0000);\r |
93e3992d | 876 | \r |
877 | if (!EFI_ERROR (Status)) {\r | |
878 | gRT->SetVariable(\r | |
879 | VariableName,\r | |
880 | &mFormSetGuid,\r | |
881 | EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS,\r | |
882 | sizeof (DRIVER_SAMPLE_CONFIGURATION),\r | |
883 | Configuration\r | |
884 | );\r | |
885 | }\r | |
886 | }\r | |
887 | \r | |
888 | //\r | |
889 | // Example of how to display only the item we sent to HII\r | |
890 | //\r | |
891 | if (DISPLAY_ONLY_MY_ITEM == 0x0001) {\r | |
892 | //\r | |
893 | // Have the browser pull out our copy of the data, and only display our data\r | |
894 | //\r | |
895 | // Status = FormConfig->SendForm (FormConfig, TRUE, HiiHandle, NULL, NULL, NULL, &Screen, NULL);\r | |
896 | //\r | |
897 | Status = FormBrowser2->SendForm (\r | |
898 | FormBrowser2,\r | |
899 | HiiHandle,\r | |
900 | 1,\r | |
901 | NULL,\r | |
902 | 0,\r | |
903 | NULL,\r | |
904 | NULL\r | |
905 | );\r | |
906 | SavedStatus = Status;\r | |
907 | \r | |
908 | Status = HiiDatabase->RemovePackageList (HiiDatabase, HiiHandle[0]);\r | |
909 | if (EFI_ERROR (Status)) {\r | |
910 | return Status;\r | |
911 | }\r | |
912 | \r | |
913 | Status = HiiDatabase->RemovePackageList (HiiDatabase, HiiHandle[1]);\r | |
914 | if (EFI_ERROR (Status)) {\r | |
915 | return Status;\r | |
916 | }\r | |
917 | \r | |
918 | return SavedStatus;\r | |
919 | } else {\r | |
920 | //\r | |
921 | // Have the browser pull out all the data in the HII Database and display it.\r | |
922 | //\r | |
923 | // Status = FormConfig->SendForm (FormConfig, TRUE, 0, NULL, NULL, NULL, NULL, NULL);\r | |
924 | //\r | |
925 | }\r | |
926 | \r | |
927 | return EFI_SUCCESS;\r | |
928 | }\r |