]>
Commit | Line | Data |
---|---|---|
0c18794e | 1 | /** @file\r |
2 | HII Config Access protocol implementation of TCG configuration module.\r | |
3 | \r | |
b49758c1 | 4 | Copyright (c) 2011 - 2019, Intel Corporation. All rights reserved.<BR>\r |
289b714b | 5 | SPDX-License-Identifier: BSD-2-Clause-Patent\r |
0c18794e | 6 | \r |
7 | **/\r | |
8 | \r | |
9 | #include "TcgConfigImpl.h"\r | |
10 | \r | |
0c18794e | 11 | CHAR16 mTcgStorageName[] = L"TCG_CONFIGURATION";\r |
12 | \r | |
13 | TCG_CONFIG_PRIVATE_DATA mTcgConfigPrivateDateTemplate = {\r | |
14 | TCG_CONFIG_PRIVATE_DATA_SIGNATURE,\r | |
15 | {\r | |
16 | TcgExtractConfig,\r | |
17 | TcgRouteConfig,\r | |
18 | TcgCallback\r | |
19 | }\r | |
20 | };\r | |
21 | \r | |
22 | HII_VENDOR_DEVICE_PATH mTcgHiiVendorDevicePath = {\r | |
23 | {\r | |
24 | {\r | |
25 | HARDWARE_DEVICE_PATH,\r | |
26 | HW_VENDOR_DP,\r | |
27 | {\r | |
28 | (UINT8) (sizeof (VENDOR_DEVICE_PATH)),\r | |
29 | (UINT8) ((sizeof (VENDOR_DEVICE_PATH)) >> 8)\r | |
30 | }\r | |
31 | },\r | |
a0c56a82 | 32 | TCG_CONFIG_FORM_SET_GUID\r |
0c18794e | 33 | },\r |
34 | {\r | |
35 | END_DEVICE_PATH_TYPE,\r | |
36 | END_ENTIRE_DEVICE_PATH_SUBTYPE,\r | |
b3548d32 | 37 | {\r |
0c18794e | 38 | (UINT8) (END_DEVICE_PATH_LENGTH),\r |
39 | (UINT8) ((END_DEVICE_PATH_LENGTH) >> 8)\r | |
40 | }\r | |
41 | }\r | |
42 | };\r | |
43 | \r | |
44 | /**\r | |
45 | Get current state of TPM device.\r | |
46 | \r | |
47 | @param[in] TcgProtocol Point to EFI_TCG_PROTOCOL instance.\r | |
48 | @param[out] TpmEnable Flag to indicate TPM is enabled or not.\r | |
49 | @param[out] TpmActivate Flag to indicate TPM is activated or not.\r | |
50 | \r | |
51 | @retval EFI_SUCCESS State is successfully returned.\r | |
52 | @retval EFI_DEVICE_ERROR Failed to get TPM response.\r | |
53 | @retval Others Other errors as indicated.\r | |
54 | \r | |
55 | **/\r | |
56 | EFI_STATUS\r | |
57 | GetTpmState (\r | |
58 | IN EFI_TCG_PROTOCOL *TcgProtocol,\r | |
59 | OUT BOOLEAN *TpmEnable, OPTIONAL\r | |
60 | OUT BOOLEAN *TpmActivate OPTIONAL\r | |
61 | )\r | |
62 | {\r | |
63 | EFI_STATUS Status;\r | |
64 | TPM_RSP_COMMAND_HDR *TpmRsp;\r | |
65 | UINT32 TpmSendSize;\r | |
66 | TPM_PERMANENT_FLAGS *TpmPermanentFlags;\r | |
67 | UINT8 CmdBuf[64];\r | |
68 | \r | |
69 | ASSERT (TcgProtocol != NULL);\r | |
b3548d32 | 70 | \r |
0c18794e | 71 | //\r |
72 | // Get TPM Permanent flags (TpmEnable, TpmActivate)\r | |
73 | //\r | |
74 | if ((TpmEnable != NULL) || (TpmActivate != NULL)) {\r | |
75 | TpmSendSize = sizeof (TPM_RQU_COMMAND_HDR) + sizeof (UINT32) * 3;\r | |
607599bf | 76 | *(UINT16*)&CmdBuf[0] = SwapBytes16 (TPM_TAG_RQU_COMMAND);\r |
77 | *(UINT32*)&CmdBuf[2] = SwapBytes32 (TpmSendSize);\r | |
78 | *(UINT32*)&CmdBuf[6] = SwapBytes32 (TPM_ORD_GetCapability);\r | |
b3548d32 | 79 | \r |
607599bf | 80 | *(UINT32*)&CmdBuf[10] = SwapBytes32 (TPM_CAP_FLAG);\r |
81 | *(UINT32*)&CmdBuf[14] = SwapBytes32 (sizeof (TPM_CAP_FLAG_PERMANENT));\r | |
82 | *(UINT32*)&CmdBuf[18] = SwapBytes32 (TPM_CAP_FLAG_PERMANENT);\r | |
0c18794e | 83 | \r |
84 | Status = TcgProtocol->PassThroughToTpm (\r | |
85 | TcgProtocol,\r | |
86 | TpmSendSize,\r | |
87 | CmdBuf,\r | |
88 | sizeof (CmdBuf),\r | |
89 | CmdBuf\r | |
b3548d32 | 90 | );\r |
0c18794e | 91 | TpmRsp = (TPM_RSP_COMMAND_HDR *) &CmdBuf[0];\r |
607599bf | 92 | if (EFI_ERROR (Status) || (TpmRsp->tag != SwapBytes16 (TPM_TAG_RSP_COMMAND)) || (TpmRsp->returnCode != 0)) {\r |
0c18794e | 93 | return EFI_DEVICE_ERROR;\r |
94 | }\r | |
b3548d32 | 95 | \r |
0c18794e | 96 | TpmPermanentFlags = (TPM_PERMANENT_FLAGS *) &CmdBuf[sizeof (TPM_RSP_COMMAND_HDR) + sizeof (UINT32)];\r |
97 | \r | |
98 | if (TpmEnable != NULL) {\r | |
99 | *TpmEnable = (BOOLEAN) !TpmPermanentFlags->disable;\r | |
100 | }\r | |
101 | \r | |
102 | if (TpmActivate != NULL) {\r | |
103 | *TpmActivate = (BOOLEAN) !TpmPermanentFlags->deactivated;\r | |
104 | }\r | |
105 | }\r | |
b3548d32 LG |
106 | \r |
107 | return EFI_SUCCESS;\r | |
0c18794e | 108 | }\r |
109 | \r | |
110 | /**\r | |
111 | This function allows a caller to extract the current configuration for one\r | |
112 | or more named elements from the target driver.\r | |
113 | \r | |
114 | @param[in] This Points to the EFI_HII_CONFIG_ACCESS_PROTOCOL.\r | |
115 | @param[in] Request A null-terminated Unicode string in\r | |
116 | <ConfigRequest> format.\r | |
117 | @param[out] Progress On return, points to a character in the Request\r | |
118 | string. Points to the string's null terminator if\r | |
119 | request was successful. Points to the most recent\r | |
120 | '&' before the first failing name/value pair (or\r | |
121 | the beginning of the string if the failure is in\r | |
122 | the first name/value pair) if the request was not\r | |
123 | successful.\r | |
124 | @param[out] Results A null-terminated Unicode string in\r | |
125 | <ConfigAltResp> format which has all values filled\r | |
126 | in for the names in the Request string. String to\r | |
127 | be allocated by the called function.\r | |
128 | \r | |
129 | @retval EFI_SUCCESS The Results is filled with the requested values.\r | |
130 | @retval EFI_OUT_OF_RESOURCES Not enough memory to store the results.\r | |
131 | @retval EFI_INVALID_PARAMETER Request is illegal syntax, or unknown name.\r | |
132 | @retval EFI_NOT_FOUND Routing data doesn't match any storage in this\r | |
133 | driver.\r | |
134 | \r | |
135 | **/\r | |
136 | EFI_STATUS\r | |
137 | EFIAPI\r | |
138 | TcgExtractConfig (\r | |
139 | IN CONST EFI_HII_CONFIG_ACCESS_PROTOCOL *This,\r | |
140 | IN CONST EFI_STRING Request,\r | |
141 | OUT EFI_STRING *Progress,\r | |
142 | OUT EFI_STRING *Results\r | |
143 | )\r | |
144 | {\r | |
145 | EFI_STATUS Status;\r | |
0c18794e | 146 | TCG_CONFIG_PRIVATE_DATA *PrivateData;\r |
147 | EFI_STRING ConfigRequestHdr;\r | |
148 | EFI_STRING ConfigRequest;\r | |
149 | BOOLEAN AllocatedRequest;\r | |
150 | UINTN Size;\r | |
151 | BOOLEAN TpmEnable;\r | |
152 | BOOLEAN TpmActivate;\r | |
0c18794e | 153 | \r |
154 | if (Progress == NULL || Results == NULL) {\r | |
155 | return EFI_INVALID_PARAMETER;\r | |
156 | }\r | |
157 | \r | |
158 | *Progress = Request;\r | |
a0c56a82 | 159 | if ((Request != NULL) && !HiiIsConfigHdrMatch (Request, &gTcgConfigFormSetGuid, mTcgStorageName)) {\r |
0c18794e | 160 | return EFI_NOT_FOUND;\r |
161 | }\r | |
162 | \r | |
163 | ConfigRequestHdr = NULL;\r | |
164 | ConfigRequest = NULL;\r | |
165 | AllocatedRequest = FALSE;\r | |
166 | Size = 0;\r | |
167 | \r | |
168 | PrivateData = TCG_CONFIG_PRIVATE_DATA_FROM_THIS (This);\r | |
169 | \r | |
170 | //\r | |
171 | // Convert buffer data to <ConfigResp> by helper function BlockToConfig()\r | |
b3548d32 | 172 | //\r |
b49758c1 | 173 | PrivateData->Configuration->TpmOperation = PHYSICAL_PRESENCE_NO_ACTION;\r |
0c18794e | 174 | \r |
175 | //\r | |
1826b5e6 | 176 | // Get current TPM state.\r |
0c18794e | 177 | //\r |
178 | if (PrivateData->TcgProtocol != NULL) {\r | |
179 | Status = GetTpmState (PrivateData->TcgProtocol, &TpmEnable, &TpmActivate);\r | |
180 | if (EFI_ERROR (Status)) {\r | |
181 | return Status;\r | |
182 | }\r | |
183 | \r | |
1826b5e6 ZC |
184 | PrivateData->Configuration->TpmEnable = TpmEnable;\r |
185 | PrivateData->Configuration->TpmActivate = TpmActivate;\r | |
0c18794e | 186 | }\r |
187 | \r | |
0c18794e | 188 | ConfigRequest = Request;\r |
189 | if ((Request == NULL) || (StrStr (Request, L"OFFSET") == NULL)) {\r | |
190 | //\r | |
191 | // Request has no request element, construct full request string.\r | |
192 | // Allocate and fill a buffer large enough to hold the <ConfigHdr> template\r | |
193 | // followed by "&OFFSET=0&WIDTH=WWWWWWWWWWWWWWWW" followed by a Null-terminator\r | |
194 | //\r | |
a0c56a82 | 195 | ConfigRequestHdr = HiiConstructConfigHdr (&gTcgConfigFormSetGuid, mTcgStorageName, PrivateData->DriverHandle);\r |
0c18794e | 196 | Size = (StrLen (ConfigRequestHdr) + 32 + 1) * sizeof (CHAR16);\r |
197 | ConfigRequest = AllocateZeroPool (Size);\r | |
198 | ASSERT (ConfigRequest != NULL);\r | |
199 | AllocatedRequest = TRUE;\r | |
1826b5e6 | 200 | UnicodeSPrint (ConfigRequest, Size, L"%s&OFFSET=0&WIDTH=%016LX", ConfigRequestHdr, sizeof (TCG_CONFIGURATION));\r |
0c18794e | 201 | FreePool (ConfigRequestHdr);\r |
202 | }\r | |
203 | \r | |
204 | Status = gHiiConfigRouting->BlockToConfig (\r | |
205 | gHiiConfigRouting,\r | |
206 | ConfigRequest,\r | |
1826b5e6 ZC |
207 | (UINT8 *) PrivateData->Configuration,\r |
208 | sizeof (TCG_CONFIGURATION),\r | |
0c18794e | 209 | Results,\r |
210 | Progress\r | |
211 | );\r | |
212 | //\r | |
213 | // Free the allocated config request string.\r | |
214 | //\r | |
215 | if (AllocatedRequest) {\r | |
216 | FreePool (ConfigRequest);\r | |
217 | }\r | |
218 | //\r | |
219 | // Set Progress string to the original request string.\r | |
220 | //\r | |
221 | if (Request == NULL) {\r | |
222 | *Progress = NULL;\r | |
223 | } else if (StrStr (Request, L"OFFSET") == NULL) {\r | |
224 | *Progress = Request + StrLen (Request);\r | |
225 | }\r | |
226 | \r | |
227 | return Status;\r | |
228 | }\r | |
229 | \r | |
230 | /**\r | |
231 | This function processes the results of changes in configuration.\r | |
232 | \r | |
233 | @param[in] This Points to the EFI_HII_CONFIG_ACCESS_PROTOCOL.\r | |
234 | @param[in] Configuration A null-terminated Unicode string in <ConfigResp>\r | |
235 | format.\r | |
236 | @param[out] Progress A pointer to a string filled in with the offset of\r | |
237 | the most recent '&' before the first failing\r | |
238 | name/value pair (or the beginning of the string if\r | |
239 | the failure is in the first name/value pair) or\r | |
240 | the terminating NULL if all was successful.\r | |
241 | \r | |
242 | @retval EFI_SUCCESS The Results is processed successfully.\r | |
243 | @retval EFI_INVALID_PARAMETER Configuration is NULL.\r | |
244 | @retval EFI_NOT_FOUND Routing data doesn't match any storage in this\r | |
245 | driver.\r | |
246 | \r | |
247 | **/\r | |
248 | EFI_STATUS\r | |
249 | EFIAPI\r | |
250 | TcgRouteConfig (\r | |
251 | IN CONST EFI_HII_CONFIG_ACCESS_PROTOCOL *This,\r | |
252 | IN CONST EFI_STRING Configuration,\r | |
253 | OUT EFI_STRING *Progress\r | |
254 | )\r | |
255 | {\r | |
256 | EFI_STATUS Status;\r | |
257 | UINTN BufferSize;\r | |
258 | TCG_CONFIGURATION TcgConfiguration;\r | |
259 | \r | |
260 | if (Configuration == NULL || Progress == NULL) {\r | |
261 | return EFI_INVALID_PARAMETER;\r | |
262 | }\r | |
263 | \r | |
264 | *Progress = Configuration;\r | |
a0c56a82 | 265 | if (!HiiIsConfigHdrMatch (Configuration, &gTcgConfigFormSetGuid, mTcgStorageName)) {\r |
0c18794e | 266 | return EFI_NOT_FOUND;\r |
267 | }\r | |
268 | \r | |
269 | //\r | |
270 | // Convert <ConfigResp> to buffer data by helper function ConfigToBlock()\r | |
271 | //\r | |
272 | BufferSize = sizeof (TCG_CONFIGURATION);\r | |
273 | Status = gHiiConfigRouting->ConfigToBlock (\r | |
274 | gHiiConfigRouting,\r | |
275 | Configuration,\r | |
276 | (UINT8 *) &TcgConfiguration,\r | |
277 | &BufferSize,\r | |
278 | Progress\r | |
279 | );\r | |
280 | if (EFI_ERROR (Status)) {\r | |
281 | return Status;\r | |
282 | }\r | |
283 | \r | |
0c18794e | 284 | return EFI_SUCCESS;\r |
285 | }\r | |
286 | \r | |
287 | /**\r | |
288 | Save TPM request to variable space.\r | |
289 | \r | |
290 | @param[in] PpRequest Physical Presence request command.\r | |
291 | \r | |
292 | @retval EFI_SUCCESS The operation is finished successfully.\r | |
293 | @retval Others Other errors as indicated.\r | |
294 | \r | |
295 | **/\r | |
296 | EFI_STATUS\r | |
297 | SavePpRequest (\r | |
298 | IN UINT8 PpRequest\r | |
299 | )\r | |
300 | {\r | |
301 | EFI_STATUS Status;\r | |
302 | UINTN DataSize;\r | |
303 | EFI_PHYSICAL_PRESENCE PpData;\r | |
304 | \r | |
305 | //\r | |
306 | // Save TPM command to variable.\r | |
307 | //\r | |
308 | DataSize = sizeof (EFI_PHYSICAL_PRESENCE);\r | |
309 | Status = gRT->GetVariable (\r | |
310 | PHYSICAL_PRESENCE_VARIABLE,\r | |
311 | &gEfiPhysicalPresenceGuid,\r | |
312 | NULL,\r | |
313 | &DataSize,\r | |
314 | &PpData\r | |
315 | );\r | |
316 | if (EFI_ERROR (Status)) {\r | |
317 | return Status;\r | |
b3548d32 LG |
318 | }\r |
319 | \r | |
0c18794e | 320 | PpData.PPRequest = PpRequest;\r |
321 | Status = gRT->SetVariable (\r | |
322 | PHYSICAL_PRESENCE_VARIABLE,\r | |
323 | &gEfiPhysicalPresenceGuid,\r | |
324 | EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS | EFI_VARIABLE_RUNTIME_ACCESS,\r | |
325 | DataSize,\r | |
326 | &PpData\r | |
327 | );\r | |
328 | if (EFI_ERROR(Status)) {\r | |
329 | return Status;\r | |
330 | }\r | |
331 | \r | |
0c18794e | 332 | return EFI_SUCCESS;\r |
333 | }\r | |
334 | \r | |
335 | /**\r | |
336 | This function processes the results of changes in configuration.\r | |
337 | \r | |
338 | @param[in] This Points to the EFI_HII_CONFIG_ACCESS_PROTOCOL.\r | |
339 | @param[in] Action Specifies the type of action taken by the browser.\r | |
340 | @param[in] QuestionId A unique value which is sent to the original\r | |
341 | exporting driver so that it can identify the type\r | |
342 | of data to expect.\r | |
343 | @param[in] Type The type of value for the question.\r | |
344 | @param[in] Value A pointer to the data being sent to the original\r | |
345 | exporting driver.\r | |
346 | @param[out] ActionRequest On return, points to the action requested by the\r | |
347 | callback function.\r | |
348 | \r | |
349 | @retval EFI_SUCCESS The callback successfully handled the action.\r | |
350 | @retval EFI_OUT_OF_RESOURCES Not enough storage is available to hold the\r | |
351 | variable and its data.\r | |
352 | @retval EFI_DEVICE_ERROR The variable could not be saved.\r | |
353 | @retval EFI_UNSUPPORTED The specified Action is not supported by the\r | |
354 | callback.\r | |
355 | \r | |
356 | **/\r | |
357 | EFI_STATUS\r | |
358 | EFIAPI\r | |
359 | TcgCallback (\r | |
360 | IN CONST EFI_HII_CONFIG_ACCESS_PROTOCOL *This,\r | |
361 | IN EFI_BROWSER_ACTION Action,\r | |
362 | IN EFI_QUESTION_ID QuestionId,\r | |
363 | IN UINT8 Type,\r | |
364 | IN EFI_IFR_TYPE_VALUE *Value,\r | |
365 | OUT EFI_BROWSER_ACTION_REQUEST *ActionRequest\r | |
366 | )\r | |
367 | {\r | |
1826b5e6 ZC |
368 | TCG_CONFIG_PRIVATE_DATA *PrivateData;\r |
369 | CHAR16 State[32];\r | |
370 | \r | |
0c18794e | 371 | if ((This == NULL) || (Value == NULL) || (ActionRequest == NULL)) {\r |
372 | return EFI_INVALID_PARAMETER;\r | |
373 | }\r | |
374 | \r | |
1826b5e6 ZC |
375 | if (Action == EFI_BROWSER_ACTION_FORM_OPEN) {\r |
376 | if (QuestionId == KEY_TPM_ACTION) {\r | |
377 | \r | |
378 | PrivateData = TCG_CONFIG_PRIVATE_DATA_FROM_THIS (This);\r | |
379 | UnicodeSPrint (\r | |
380 | State,\r | |
381 | sizeof (State),\r | |
382 | L"%s, and %s",\r | |
383 | PrivateData->Configuration->TpmEnable ? L"Enabled" : L"Disabled",\r | |
384 | PrivateData->Configuration->TpmActivate ? L"Activated" : L"Deactivated"\r | |
385 | );\r | |
386 | HiiSetString (PrivateData->HiiHandle, STRING_TOKEN (STR_TPM_STATE_CONTENT), State, NULL);\r | |
387 | }\r | |
388 | return EFI_SUCCESS;\r | |
389 | }\r | |
390 | \r | |
fab10465 | 391 | if ((Action != EFI_BROWSER_ACTION_CHANGED) || (QuestionId != KEY_TPM_ACTION)) {\r |
0c18794e | 392 | return EFI_UNSUPPORTED;\r |
393 | }\r | |
394 | \r | |
395 | SavePpRequest (Value->u8);\r | |
54a26282 | 396 | *ActionRequest = EFI_BROWSER_ACTION_REQUEST_SUBMIT;\r |
b3548d32 | 397 | \r |
0c18794e | 398 | return EFI_SUCCESS;\r |
399 | }\r | |
400 | \r | |
401 | /**\r | |
402 | This function publish the TCG configuration Form for TPM device.\r | |
403 | \r | |
404 | @param[in, out] PrivateData Points to TCG configuration private data.\r | |
405 | \r | |
406 | @retval EFI_SUCCESS HII Form is installed for this network device.\r | |
407 | @retval EFI_OUT_OF_RESOURCES Not enough resource for HII Form installation.\r | |
408 | @retval Others Other errors as indicated.\r | |
409 | \r | |
410 | **/\r | |
411 | EFI_STATUS\r | |
412 | InstallTcgConfigForm (\r | |
413 | IN OUT TCG_CONFIG_PRIVATE_DATA *PrivateData\r | |
414 | )\r | |
415 | {\r | |
416 | EFI_STATUS Status;\r | |
417 | EFI_HII_HANDLE HiiHandle;\r | |
418 | EFI_HANDLE DriverHandle;\r | |
0c18794e | 419 | EFI_HII_CONFIG_ACCESS_PROTOCOL *ConfigAccess;\r |
420 | \r | |
421 | DriverHandle = NULL;\r | |
422 | ConfigAccess = &PrivateData->ConfigAccess;\r | |
423 | Status = gBS->InstallMultipleProtocolInterfaces (\r | |
424 | &DriverHandle,\r | |
425 | &gEfiDevicePathProtocolGuid,\r | |
426 | &mTcgHiiVendorDevicePath,\r | |
427 | &gEfiHiiConfigAccessProtocolGuid,\r | |
428 | ConfigAccess,\r | |
429 | NULL\r | |
430 | );\r | |
431 | if (EFI_ERROR (Status)) {\r | |
432 | return Status;\r | |
433 | }\r | |
434 | \r | |
435 | PrivateData->DriverHandle = DriverHandle;\r | |
436 | \r | |
437 | //\r | |
438 | // Publish the HII package list\r | |
439 | //\r | |
440 | HiiHandle = HiiAddPackages (\r | |
a0c56a82 | 441 | &gTcgConfigFormSetGuid,\r |
0c18794e | 442 | DriverHandle,\r |
443 | TcgConfigDxeStrings,\r | |
444 | TcgConfigBin,\r | |
445 | NULL\r | |
446 | );\r | |
447 | if (HiiHandle == NULL) {\r | |
448 | gBS->UninstallMultipleProtocolInterfaces (\r | |
449 | DriverHandle,\r | |
450 | &gEfiDevicePathProtocolGuid,\r | |
451 | &mTcgHiiVendorDevicePath,\r | |
452 | &gEfiHiiConfigAccessProtocolGuid,\r | |
453 | ConfigAccess,\r | |
454 | NULL\r | |
b3548d32 | 455 | );\r |
0c18794e | 456 | \r |
457 | return EFI_OUT_OF_RESOURCES;\r | |
458 | }\r | |
b3548d32 | 459 | \r |
0c18794e | 460 | PrivateData->HiiHandle = HiiHandle;\r |
461 | \r | |
b3548d32 | 462 | return EFI_SUCCESS;\r |
0c18794e | 463 | }\r |
464 | \r | |
465 | /**\r | |
466 | This function removes TCG configuration Form.\r | |
467 | \r | |
468 | @param[in, out] PrivateData Points to TCG configuration private data.\r | |
469 | \r | |
470 | **/\r | |
471 | VOID\r | |
472 | UninstallTcgConfigForm (\r | |
473 | IN OUT TCG_CONFIG_PRIVATE_DATA *PrivateData\r | |
474 | )\r | |
475 | {\r | |
476 | //\r | |
477 | // Uninstall HII package list\r | |
478 | //\r | |
479 | if (PrivateData->HiiHandle != NULL) {\r | |
480 | HiiRemovePackages (PrivateData->HiiHandle);\r | |
481 | PrivateData->HiiHandle = NULL;\r | |
482 | }\r | |
483 | \r | |
484 | //\r | |
485 | // Uninstall HII Config Access Protocol\r | |
486 | //\r | |
487 | if (PrivateData->DriverHandle != NULL) {\r | |
488 | gBS->UninstallMultipleProtocolInterfaces (\r | |
489 | PrivateData->DriverHandle,\r | |
490 | &gEfiDevicePathProtocolGuid,\r | |
491 | &mTcgHiiVendorDevicePath,\r | |
492 | &gEfiHiiConfigAccessProtocolGuid,\r | |
493 | &PrivateData->ConfigAccess,\r | |
494 | NULL\r | |
495 | );\r | |
496 | PrivateData->DriverHandle = NULL;\r | |
497 | }\r | |
1826b5e6 ZC |
498 | \r |
499 | if (PrivateData->Configuration != NULL) {\r | |
500 | FreePool(PrivateData->Configuration);\r | |
501 | }\r | |
0c18794e | 502 | FreePool (PrivateData);\r |
503 | }\r |