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1abfa4ce JY |
1 | /** @file\r |
2 | HII Config Access protocol implementation of TCG2 configuration module.\r | |
3 | NOTE: This module is only for reference only, each platform should have its own setup page.\r | |
4 | \r | |
518b6f65 | 5 | Copyright (c) 2015 - 2016, Intel Corporation. All rights reserved.<BR>\r |
1abfa4ce JY |
6 | 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 | |
14 | **/\r | |
15 | \r | |
16 | #include "Tcg2ConfigImpl.h"\r | |
17 | #include <Library/PcdLib.h>\r | |
18 | #include <Library/Tpm2CommandLib.h>\r | |
518b6f65 | 19 | #include <Library/IoLib.h>\r |
1abfa4ce JY |
20 | #include <Guid/TpmInstance.h>\r |
21 | \r | |
518b6f65 JY |
22 | #include <IndustryStandard/TpmPtp.h>\r |
23 | \r | |
1abfa4ce JY |
24 | #define EFI_TCG2_EVENT_LOG_FORMAT_ALL (EFI_TCG2_EVENT_LOG_FORMAT_TCG_1_2 | EFI_TCG2_EVENT_LOG_FORMAT_TCG_2)\r |
25 | \r | |
26 | TPM_INSTANCE_ID mTpmInstanceId[TPM_DEVICE_MAX + 1] = TPM_INSTANCE_ID_LIST;\r | |
27 | \r | |
28 | TCG2_CONFIG_PRIVATE_DATA *mTcg2ConfigPrivateDate;\r | |
29 | TCG2_CONFIG_PRIVATE_DATA mTcg2ConfigPrivateDateTemplate = {\r | |
30 | TCG2_CONFIG_PRIVATE_DATA_SIGNATURE,\r | |
31 | {\r | |
32 | Tcg2ExtractConfig,\r | |
33 | Tcg2RouteConfig,\r | |
34 | Tcg2Callback\r | |
35 | }\r | |
36 | };\r | |
37 | \r | |
38 | HII_VENDOR_DEVICE_PATH mTcg2HiiVendorDevicePath = {\r | |
39 | {\r | |
40 | {\r | |
41 | HARDWARE_DEVICE_PATH,\r | |
42 | HW_VENDOR_DP,\r | |
43 | {\r | |
44 | (UINT8) (sizeof (VENDOR_DEVICE_PATH)),\r | |
45 | (UINT8) ((sizeof (VENDOR_DEVICE_PATH)) >> 8)\r | |
46 | }\r | |
47 | },\r | |
48 | TCG2_CONFIG_FORM_SET_GUID\r | |
49 | },\r | |
50 | {\r | |
51 | END_DEVICE_PATH_TYPE,\r | |
52 | END_ENTIRE_DEVICE_PATH_SUBTYPE,\r | |
53 | { \r | |
54 | (UINT8) (END_DEVICE_PATH_LENGTH),\r | |
55 | (UINT8) ((END_DEVICE_PATH_LENGTH) >> 8)\r | |
56 | }\r | |
57 | }\r | |
58 | };\r | |
59 | \r | |
60 | UINT8 mCurrentPpRequest;\r | |
61 | \r | |
518b6f65 JY |
62 | /**\r |
63 | Return PTP interface type.\r | |
64 | \r | |
65 | @param[in] Register Pointer to PTP register.\r | |
66 | \r | |
67 | @return PTP interface type.\r | |
68 | **/\r | |
69 | UINT8\r | |
70 | GetPtpInterface (\r | |
71 | IN VOID *Register\r | |
72 | )\r | |
73 | {\r | |
74 | PTP_CRB_INTERFACE_IDENTIFIER InterfaceId;\r | |
75 | PTP_FIFO_INTERFACE_CAPABILITY InterfaceCapability;\r | |
76 | \r | |
77 | //\r | |
78 | // Check interface id\r | |
79 | //\r | |
80 | InterfaceId.Uint32 = MmioRead32 ((UINTN)&((PTP_CRB_REGISTERS *)Register)->InterfaceId);\r | |
81 | InterfaceCapability.Uint32 = MmioRead32 ((UINTN)&((PTP_FIFO_REGISTERS *)Register)->InterfaceCapability);\r | |
82 | \r | |
83 | if ((InterfaceId.Bits.InterfaceType == PTP_INTERFACE_IDENTIFIER_INTERFACE_TYPE_CRB) &&\r | |
84 | (InterfaceId.Bits.InterfaceVersion == PTP_INTERFACE_IDENTIFIER_INTERFACE_VERSION_CRB) &&\r | |
85 | (InterfaceId.Bits.CapCRB != 0)) {\r | |
86 | return TPM_DEVICE_INTERFACE_PTP_CRB;\r | |
87 | }\r | |
88 | if ((InterfaceId.Bits.InterfaceType == PTP_INTERFACE_IDENTIFIER_INTERFACE_TYPE_FIFO) &&\r | |
89 | (InterfaceId.Bits.InterfaceVersion == PTP_INTERFACE_IDENTIFIER_INTERFACE_VERSION_FIFO) &&\r | |
90 | (InterfaceId.Bits.CapFIFO != 0) &&\r | |
91 | (InterfaceCapability.Bits.InterfaceVersion == INTERFACE_CAPABILITY_INTERFACE_VERSION_PTP)) {\r | |
92 | return TPM_DEVICE_INTERFACE_PTP_FIFO;\r | |
93 | }\r | |
94 | return TPM_DEVICE_INTERFACE_TIS;\r | |
95 | }\r | |
96 | \r | |
97 | /**\r | |
98 | Return if PTP CRB is supported.\r | |
99 | \r | |
100 | @param[in] Register Pointer to PTP register.\r | |
101 | \r | |
102 | @retval TRUE PTP CRB is supported.\r | |
103 | @retval FALSE PTP CRB is unsupported.\r | |
104 | **/\r | |
105 | BOOLEAN\r | |
106 | IsPtpCrbSupported (\r | |
107 | IN VOID *Register\r | |
108 | )\r | |
109 | {\r | |
110 | PTP_CRB_INTERFACE_IDENTIFIER InterfaceId;\r | |
111 | \r | |
112 | //\r | |
113 | // Check interface id\r | |
114 | //\r | |
115 | InterfaceId.Uint32 = MmioRead32 ((UINTN)&((PTP_CRB_REGISTERS *)Register)->InterfaceId);\r | |
116 | \r | |
117 | if (((InterfaceId.Bits.InterfaceType == PTP_INTERFACE_IDENTIFIER_INTERFACE_TYPE_CRB) ||\r | |
118 | (InterfaceId.Bits.InterfaceType == PTP_INTERFACE_IDENTIFIER_INTERFACE_TYPE_FIFO)) &&\r | |
119 | (InterfaceId.Bits.CapCRB != 0)) {\r | |
120 | return TRUE;\r | |
121 | }\r | |
122 | return FALSE;\r | |
123 | }\r | |
124 | \r | |
125 | /**\r | |
126 | Return if PTP FIFO is supported.\r | |
127 | \r | |
128 | @param[in] Register Pointer to PTP register.\r | |
129 | \r | |
130 | @retval TRUE PTP FIFO is supported.\r | |
131 | @retval FALSE PTP FIFO is unsupported.\r | |
132 | **/\r | |
133 | BOOLEAN\r | |
134 | IsPtpFifoSupported (\r | |
135 | IN VOID *Register\r | |
136 | )\r | |
137 | {\r | |
138 | PTP_CRB_INTERFACE_IDENTIFIER InterfaceId;\r | |
139 | \r | |
140 | //\r | |
141 | // Check interface id\r | |
142 | //\r | |
143 | InterfaceId.Uint32 = MmioRead32 ((UINTN)&((PTP_CRB_REGISTERS *)Register)->InterfaceId);\r | |
144 | \r | |
145 | if (((InterfaceId.Bits.InterfaceType == PTP_INTERFACE_IDENTIFIER_INTERFACE_TYPE_CRB) ||\r | |
146 | (InterfaceId.Bits.InterfaceType == PTP_INTERFACE_IDENTIFIER_INTERFACE_TYPE_FIFO)) &&\r | |
147 | (InterfaceId.Bits.CapFIFO != 0)) {\r | |
148 | return TRUE;\r | |
149 | }\r | |
150 | return FALSE;\r | |
151 | }\r | |
152 | \r | |
153 | /**\r | |
154 | Set PTP interface type.\r | |
155 | \r | |
156 | @param[in] Register Pointer to PTP register.\r | |
157 | @param[in] PtpInterface PTP interface type.\r | |
158 | \r | |
159 | @retval EFI_SUCCESS PTP interface type is set.\r | |
160 | @retval EFI_INVALID_PARAMETER PTP interface type is invalid.\r | |
161 | @retval EFI_UNSUPPORTED PTP interface type is unsupported.\r | |
162 | @retval EFI_WRITE_PROTECTED PTP interface is locked.\r | |
163 | **/\r | |
164 | EFI_STATUS\r | |
165 | SetPtpInterface (\r | |
166 | IN VOID *Register,\r | |
167 | IN UINT8 PtpInterface\r | |
168 | )\r | |
169 | {\r | |
170 | UINT8 PtpInterfaceCurrent;\r | |
171 | PTP_CRB_INTERFACE_IDENTIFIER InterfaceId;\r | |
172 | \r | |
173 | PtpInterfaceCurrent = GetPtpInterface (Register);\r | |
174 | if ((PtpInterfaceCurrent != TPM_DEVICE_INTERFACE_PTP_FIFO) && \r | |
175 | (PtpInterfaceCurrent != TPM_DEVICE_INTERFACE_PTP_CRB)) {\r | |
176 | return EFI_UNSUPPORTED;\r | |
177 | }\r | |
178 | InterfaceId.Uint32 = MmioRead32 ((UINTN)&((PTP_CRB_REGISTERS *)Register)->InterfaceId);\r | |
179 | if (InterfaceId.Bits.IntfSelLock != 0) {\r | |
180 | return EFI_WRITE_PROTECTED;\r | |
181 | }\r | |
182 | \r | |
183 | switch (PtpInterface) {\r | |
184 | case TPM_DEVICE_INTERFACE_PTP_FIFO:\r | |
185 | if (InterfaceId.Bits.CapFIFO == 0) {\r | |
186 | return EFI_UNSUPPORTED;\r | |
187 | }\r | |
188 | InterfaceId.Bits.InterfaceSelector = PTP_INTERFACE_IDENTIFIER_INTERFACE_SELECTOR_FIFO;\r | |
189 | MmioWrite32 ((UINTN)&((PTP_CRB_REGISTERS *)Register)->InterfaceId, InterfaceId.Uint32);\r | |
190 | return EFI_SUCCESS;\r | |
191 | case TPM_DEVICE_INTERFACE_PTP_CRB:\r | |
192 | if (InterfaceId.Bits.CapCRB == 0) {\r | |
193 | return EFI_UNSUPPORTED;\r | |
194 | }\r | |
195 | InterfaceId.Bits.InterfaceSelector = PTP_INTERFACE_IDENTIFIER_INTERFACE_SELECTOR_CRB;\r | |
196 | MmioWrite32 ((UINTN)&((PTP_CRB_REGISTERS *)Register)->InterfaceId, InterfaceId.Uint32);\r | |
197 | return EFI_SUCCESS;\r | |
198 | default:\r | |
199 | return EFI_INVALID_PARAMETER;\r | |
200 | }\r | |
201 | }\r | |
202 | \r | |
1abfa4ce JY |
203 | /**\r |
204 | This function allows a caller to extract the current configuration for one\r | |
205 | or more named elements from the target driver.\r | |
206 | \r | |
207 | @param[in] This Points to the EFI_HII_CONFIG_ACCESS_PROTOCOL.\r | |
208 | @param[in] Request A null-terminated Unicode string in\r | |
209 | <ConfigRequest> format.\r | |
210 | @param[out] Progress On return, points to a character in the Request\r | |
211 | string. Points to the string's null terminator if\r | |
212 | request was successful. Points to the most recent\r | |
213 | '&' before the first failing name/value pair (or\r | |
214 | the beginning of the string if the failure is in\r | |
215 | the first name/value pair) if the request was not\r | |
216 | successful.\r | |
217 | @param[out] Results A null-terminated Unicode string in\r | |
218 | <ConfigAltResp> format which has all values filled\r | |
219 | in for the names in the Request string. String to\r | |
220 | be allocated by the called function.\r | |
221 | \r | |
222 | @retval EFI_SUCCESS The Results is filled with the requested values.\r | |
223 | @retval EFI_OUT_OF_RESOURCES Not enough memory to store the results.\r | |
224 | @retval EFI_INVALID_PARAMETER Request is illegal syntax, or unknown name.\r | |
225 | @retval EFI_NOT_FOUND Routing data doesn't match any storage in this\r | |
226 | driver.\r | |
227 | \r | |
228 | **/\r | |
229 | EFI_STATUS\r | |
230 | EFIAPI\r | |
231 | Tcg2ExtractConfig (\r | |
232 | IN CONST EFI_HII_CONFIG_ACCESS_PROTOCOL *This,\r | |
233 | IN CONST EFI_STRING Request,\r | |
234 | OUT EFI_STRING *Progress,\r | |
235 | OUT EFI_STRING *Results\r | |
236 | )\r | |
237 | {\r | |
238 | if (Progress == NULL || Results == NULL) {\r | |
239 | return EFI_INVALID_PARAMETER;\r | |
240 | }\r | |
241 | \r | |
242 | *Progress = Request;\r | |
243 | return EFI_NOT_FOUND;\r | |
244 | }\r | |
245 | \r | |
246 | /**\r | |
247 | Save TPM request to variable space.\r | |
248 | \r | |
249 | @param[in] PpRequest Physical Presence request command.\r | |
250 | \r | |
251 | @retval EFI_SUCCESS The operation is finished successfully.\r | |
252 | @retval Others Other errors as indicated.\r | |
253 | \r | |
254 | **/\r | |
255 | EFI_STATUS\r | |
256 | SaveTcg2PpRequest (\r | |
257 | IN UINT8 PpRequest\r | |
258 | )\r | |
259 | {\r | |
260 | UINT32 ReturnCode;\r | |
261 | EFI_STATUS Status;\r | |
262 | \r | |
263 | ReturnCode = Tcg2PhysicalPresenceLibSubmitRequestToPreOSFunction (PpRequest, 0);\r | |
264 | if (ReturnCode == TCG_PP_SUBMIT_REQUEST_TO_PREOS_SUCCESS) {\r | |
265 | mCurrentPpRequest = PpRequest;\r | |
266 | Status = EFI_SUCCESS;\r | |
267 | } else if (ReturnCode == TCG_PP_SUBMIT_REQUEST_TO_PREOS_GENERAL_FAILURE) {\r | |
268 | Status = EFI_OUT_OF_RESOURCES;\r | |
269 | } else if (ReturnCode == TCG_PP_SUBMIT_REQUEST_TO_PREOS_NOT_IMPLEMENTED) {\r | |
270 | Status = EFI_UNSUPPORTED;\r | |
271 | } else {\r | |
272 | Status = EFI_DEVICE_ERROR;\r | |
273 | }\r | |
274 | \r | |
275 | return Status;\r | |
276 | }\r | |
277 | \r | |
278 | /**\r | |
279 | Save TPM request to variable space.\r | |
280 | \r | |
281 | @param[in] PpRequestParameter Physical Presence request parameter.\r | |
282 | \r | |
283 | @retval EFI_SUCCESS The operation is finished successfully.\r | |
284 | @retval Others Other errors as indicated.\r | |
285 | \r | |
286 | **/\r | |
287 | EFI_STATUS\r | |
288 | SaveTcg2PpRequestParameter (\r | |
289 | IN UINT32 PpRequestParameter\r | |
290 | )\r | |
291 | {\r | |
292 | UINT32 ReturnCode;\r | |
293 | EFI_STATUS Status;\r | |
294 | \r | |
295 | ReturnCode = Tcg2PhysicalPresenceLibSubmitRequestToPreOSFunction (mCurrentPpRequest, PpRequestParameter);\r | |
296 | if (ReturnCode == TCG_PP_SUBMIT_REQUEST_TO_PREOS_SUCCESS) {\r | |
297 | Status = EFI_SUCCESS;\r | |
298 | } else if (ReturnCode == TCG_PP_SUBMIT_REQUEST_TO_PREOS_GENERAL_FAILURE) {\r | |
299 | Status = EFI_OUT_OF_RESOURCES;\r | |
300 | } else if (ReturnCode == TCG_PP_SUBMIT_REQUEST_TO_PREOS_NOT_IMPLEMENTED) {\r | |
301 | Status = EFI_UNSUPPORTED;\r | |
302 | } else {\r | |
303 | Status = EFI_DEVICE_ERROR;\r | |
304 | }\r | |
305 | \r | |
306 | return Status;\r | |
307 | }\r | |
308 | \r | |
309 | /**\r | |
310 | Save Tcg2 PCR Banks request request to variable space.\r | |
311 | \r | |
312 | @param[in] PCRBankIndex PCR Bank Index.\r | |
313 | @param[in] Enable Enable or disable this PCR Bank.\r | |
314 | \r | |
315 | @retval EFI_SUCCESS The operation is finished successfully.\r | |
316 | @retval Others Other errors as indicated.\r | |
317 | \r | |
318 | **/\r | |
319 | EFI_STATUS\r | |
320 | SaveTcg2PCRBanksRequest (\r | |
321 | IN UINTN PCRBankIndex,\r | |
322 | IN BOOLEAN Enable\r | |
323 | )\r | |
324 | {\r | |
325 | UINT32 ReturnCode;\r | |
326 | EFI_STATUS Status;\r | |
327 | \r | |
328 | if (Enable) {\r | |
329 | mTcg2ConfigPrivateDate->PCRBanksDesired |= (0x1 << PCRBankIndex);\r | |
330 | } else {\r | |
331 | mTcg2ConfigPrivateDate->PCRBanksDesired &= ~(0x1 << PCRBankIndex);\r | |
332 | }\r | |
333 | \r | |
334 | ReturnCode = Tcg2PhysicalPresenceLibSubmitRequestToPreOSFunction (TCG2_PHYSICAL_PRESENCE_SET_PCR_BANKS, mTcg2ConfigPrivateDate->PCRBanksDesired);\r | |
335 | if (ReturnCode == TCG_PP_SUBMIT_REQUEST_TO_PREOS_SUCCESS) {\r | |
336 | Status = EFI_SUCCESS;\r | |
337 | } else if (ReturnCode == TCG_PP_SUBMIT_REQUEST_TO_PREOS_GENERAL_FAILURE) {\r | |
338 | Status = EFI_OUT_OF_RESOURCES;\r | |
339 | } else if (ReturnCode == TCG_PP_SUBMIT_REQUEST_TO_PREOS_NOT_IMPLEMENTED) {\r | |
340 | Status = EFI_UNSUPPORTED;\r | |
341 | } else {\r | |
342 | Status = EFI_DEVICE_ERROR;\r | |
343 | }\r | |
344 | \r | |
345 | return Status;\r | |
346 | }\r | |
347 | \r | |
348 | /**\r | |
349 | This function processes the results of changes in configuration.\r | |
350 | \r | |
351 | @param[in] This Points to the EFI_HII_CONFIG_ACCESS_PROTOCOL.\r | |
352 | @param[in] Configuration A null-terminated Unicode string in <ConfigResp>\r | |
353 | format.\r | |
354 | @param[out] Progress A pointer to a string filled in with the offset of\r | |
355 | the most recent '&' before the first failing\r | |
356 | name/value pair (or the beginning of the string if\r | |
357 | the failure is in the first name/value pair) or\r | |
358 | the terminating NULL if all was successful.\r | |
359 | \r | |
360 | @retval EFI_SUCCESS The Results is processed successfully.\r | |
361 | @retval EFI_INVALID_PARAMETER Configuration is NULL.\r | |
362 | @retval EFI_NOT_FOUND Routing data doesn't match any storage in this\r | |
363 | driver.\r | |
364 | \r | |
365 | **/\r | |
366 | EFI_STATUS\r | |
367 | EFIAPI\r | |
368 | Tcg2RouteConfig (\r | |
369 | IN CONST EFI_HII_CONFIG_ACCESS_PROTOCOL *This,\r | |
370 | IN CONST EFI_STRING Configuration,\r | |
371 | OUT EFI_STRING *Progress\r | |
372 | )\r | |
373 | {\r | |
374 | if (Configuration == NULL || Progress == NULL) {\r | |
375 | return EFI_INVALID_PARAMETER;\r | |
376 | }\r | |
377 | \r | |
378 | return EFI_NOT_FOUND;\r | |
379 | }\r | |
380 | \r | |
381 | /**\r | |
382 | This function processes the results of changes in configuration.\r | |
383 | \r | |
384 | @param[in] This Points to the EFI_HII_CONFIG_ACCESS_PROTOCOL.\r | |
385 | @param[in] Action Specifies the type of action taken by the browser.\r | |
386 | @param[in] QuestionId A unique value which is sent to the original\r | |
387 | exporting driver so that it can identify the type\r | |
388 | of data to expect.\r | |
389 | @param[in] Type The type of value for the question.\r | |
390 | @param[in] Value A pointer to the data being sent to the original\r | |
391 | exporting driver.\r | |
392 | @param[out] ActionRequest On return, points to the action requested by the\r | |
393 | callback function.\r | |
394 | \r | |
395 | @retval EFI_SUCCESS The callback successfully handled the action.\r | |
396 | @retval EFI_OUT_OF_RESOURCES Not enough storage is available to hold the\r | |
397 | variable and its data.\r | |
398 | @retval EFI_DEVICE_ERROR The variable could not be saved.\r | |
399 | @retval EFI_UNSUPPORTED The specified Action is not supported by the\r | |
400 | callback.\r | |
401 | \r | |
402 | **/\r | |
403 | EFI_STATUS\r | |
404 | EFIAPI\r | |
405 | Tcg2Callback (\r | |
406 | IN CONST EFI_HII_CONFIG_ACCESS_PROTOCOL *This,\r | |
407 | IN EFI_BROWSER_ACTION Action,\r | |
408 | IN EFI_QUESTION_ID QuestionId,\r | |
409 | IN UINT8 Type,\r | |
410 | IN EFI_IFR_TYPE_VALUE *Value,\r | |
411 | OUT EFI_BROWSER_ACTION_REQUEST *ActionRequest\r | |
412 | )\r | |
413 | {\r | |
518b6f65 JY |
414 | EFI_INPUT_KEY Key;\r |
415 | \r | |
1abfa4ce JY |
416 | if ((This == NULL) || (Value == NULL) || (ActionRequest == NULL)) {\r |
417 | return EFI_INVALID_PARAMETER;\r | |
418 | }\r | |
518b6f65 JY |
419 | \r |
420 | if (Action == EFI_BROWSER_ACTION_CHANGING) {\r | |
421 | if (QuestionId == KEY_TPM_DEVICE_INTERFACE) {\r | |
422 | EFI_STATUS Status;\r | |
423 | Status = SetPtpInterface ((VOID *) (UINTN) PcdGet64 (PcdTpmBaseAddress), Value->u8);\r | |
424 | if (EFI_ERROR (Status)) {\r | |
425 | CreatePopUp (\r | |
426 | EFI_LIGHTGRAY | EFI_BACKGROUND_BLUE,\r | |
427 | &Key,\r | |
428 | L"Error: Fail to set PTP interface!",\r | |
429 | NULL\r | |
430 | );\r | |
431 | return EFI_DEVICE_ERROR;\r | |
432 | }\r | |
433 | }\r | |
434 | }\r | |
1abfa4ce JY |
435 | \r |
436 | if (Action == EFI_BROWSER_ACTION_CHANGED) {\r | |
437 | if (QuestionId == KEY_TPM_DEVICE) {\r | |
438 | return EFI_SUCCESS;\r | |
439 | }\r | |
440 | if (QuestionId == KEY_TPM2_OPERATION) {\r | |
441 | return SaveTcg2PpRequest (Value->u8);\r | |
442 | }\r | |
443 | if (QuestionId == KEY_TPM2_OPERATION_PARAMETER) {\r | |
444 | return SaveTcg2PpRequestParameter (Value->u32);\r | |
445 | }\r | |
446 | if ((QuestionId >= KEY_TPM2_PCR_BANKS_REQUEST_0) && (QuestionId <= KEY_TPM2_PCR_BANKS_REQUEST_4)) {\r | |
447 | SaveTcg2PCRBanksRequest (QuestionId - KEY_TPM2_PCR_BANKS_REQUEST_0, Value->b);\r | |
448 | }\r | |
449 | }\r | |
450 | \r | |
451 | return EFI_UNSUPPORTED;\r | |
452 | }\r | |
453 | \r | |
454 | /**\r | |
455 | Append Buffer With TpmAlgHash.\r | |
456 | \r | |
457 | @param[in] Buffer Buffer to be appended.\r | |
458 | @param[in] BufferSize Size of buffer.\r | |
459 | @param[in] TpmAlgHash TpmAlgHash.\r | |
460 | \r | |
461 | **/\r | |
462 | VOID\r | |
463 | AppendBufferWithTpmAlgHash (\r | |
464 | IN UINT16 *Buffer,\r | |
465 | IN UINTN BufferSize,\r | |
466 | IN UINT32 TpmAlgHash\r | |
467 | )\r | |
468 | {\r | |
469 | switch (TpmAlgHash) {\r | |
470 | case TPM_ALG_SHA1:\r | |
471 | if (Buffer[0] != 0) {\r | |
d2e8af97 | 472 | StrCatS (Buffer, BufferSize / sizeof (CHAR16), L", ");\r |
1abfa4ce | 473 | }\r |
d2e8af97 | 474 | StrCatS (Buffer, BufferSize / sizeof (CHAR16), L"SHA1");\r |
1abfa4ce JY |
475 | break;\r |
476 | case TPM_ALG_SHA256:\r | |
477 | if (Buffer[0] != 0) {\r | |
d2e8af97 | 478 | StrCatS (Buffer, BufferSize / sizeof (CHAR16), L", ");\r |
1abfa4ce | 479 | }\r |
d2e8af97 | 480 | StrCatS (Buffer, BufferSize / sizeof (CHAR16), L"SHA256");\r |
1abfa4ce JY |
481 | break;\r |
482 | case TPM_ALG_SHA384:\r | |
483 | if (Buffer[0] != 0) {\r | |
d2e8af97 | 484 | StrCatS (Buffer, BufferSize / sizeof (CHAR16), L", ");\r |
1abfa4ce | 485 | }\r |
d2e8af97 | 486 | StrCatS (Buffer, BufferSize / sizeof (CHAR16), L"SHA384");\r |
1abfa4ce JY |
487 | break;\r |
488 | case TPM_ALG_SHA512:\r | |
489 | if (Buffer[0] != 0) {\r | |
d2e8af97 | 490 | StrCatS (Buffer, BufferSize / sizeof (CHAR16), L", ");\r |
1abfa4ce | 491 | }\r |
d2e8af97 | 492 | StrCatS (Buffer, BufferSize / sizeof (CHAR16), L"SHA512");\r |
1abfa4ce JY |
493 | break;\r |
494 | case TPM_ALG_SM3_256:\r | |
495 | if (Buffer[0] != 0) {\r | |
d2e8af97 | 496 | StrCatS (Buffer, BufferSize / sizeof (CHAR16), L", ");\r |
1abfa4ce | 497 | }\r |
d2e8af97 | 498 | StrCatS (Buffer, BufferSize / sizeof (CHAR16), L"SM3_256");\r |
1abfa4ce JY |
499 | break;\r |
500 | }\r | |
501 | }\r | |
502 | \r | |
503 | /**\r | |
504 | Fill Buffer With BootHashAlg.\r | |
505 | \r | |
506 | @param[in] Buffer Buffer to be filled.\r | |
507 | @param[in] BufferSize Size of buffer.\r | |
508 | @param[in] BootHashAlg BootHashAlg.\r | |
509 | \r | |
510 | **/\r | |
511 | VOID\r | |
512 | FillBufferWithBootHashAlg (\r | |
513 | IN UINT16 *Buffer,\r | |
514 | IN UINTN BufferSize,\r | |
515 | IN UINT32 BootHashAlg\r | |
516 | )\r | |
517 | {\r | |
518 | Buffer[0] = 0;\r | |
519 | if ((BootHashAlg & EFI_TCG2_BOOT_HASH_ALG_SHA1) != 0) {\r | |
520 | if (Buffer[0] != 0) {\r | |
d2e8af97 | 521 | StrCatS (Buffer, BufferSize / sizeof (CHAR16), L", ");\r |
1abfa4ce | 522 | }\r |
d2e8af97 | 523 | StrCatS (Buffer, BufferSize / sizeof (CHAR16), L"SHA1");\r |
1abfa4ce JY |
524 | }\r |
525 | if ((BootHashAlg & EFI_TCG2_BOOT_HASH_ALG_SHA256) != 0) {\r | |
526 | if (Buffer[0] != 0) {\r | |
d2e8af97 | 527 | StrCatS (Buffer, BufferSize / sizeof (CHAR16), L", ");\r |
1abfa4ce | 528 | }\r |
d2e8af97 | 529 | StrCatS (Buffer, BufferSize / sizeof (CHAR16), L"SHA256");\r |
1abfa4ce JY |
530 | }\r |
531 | if ((BootHashAlg & EFI_TCG2_BOOT_HASH_ALG_SHA384) != 0) {\r | |
532 | if (Buffer[0] != 0) {\r | |
d2e8af97 | 533 | StrCatS (Buffer, BufferSize / sizeof (CHAR16), L", ");\r |
1abfa4ce | 534 | }\r |
d2e8af97 | 535 | StrCatS (Buffer, BufferSize / sizeof (CHAR16), L"SHA384");\r |
1abfa4ce JY |
536 | }\r |
537 | if ((BootHashAlg & EFI_TCG2_BOOT_HASH_ALG_SHA512) != 0) {\r | |
538 | if (Buffer[0] != 0) {\r | |
d2e8af97 | 539 | StrCatS (Buffer, BufferSize / sizeof (CHAR16), L", ");\r |
1abfa4ce | 540 | }\r |
d2e8af97 | 541 | StrCatS (Buffer, BufferSize / sizeof (CHAR16), L"SHA512");\r |
1abfa4ce JY |
542 | }\r |
543 | if ((BootHashAlg & EFI_TCG2_BOOT_HASH_ALG_SM3_256) != 0) {\r | |
544 | if (Buffer[0] != 0) {\r | |
d2e8af97 | 545 | StrCatS (Buffer, BufferSize / sizeof (CHAR16), L", ");\r |
1abfa4ce | 546 | }\r |
d2e8af97 | 547 | StrCatS (Buffer, BufferSize / sizeof (CHAR16), L"SM3_256");\r |
1abfa4ce JY |
548 | }\r |
549 | }\r | |
550 | \r | |
c41eeb44 JY |
551 | /**\r |
552 | Set ConfigInfo according to TpmAlgHash.\r | |
553 | \r | |
554 | @param[in,out] Tcg2ConfigInfo TCG2 config info.\r | |
555 | @param[in] TpmAlgHash TpmAlgHash.\r | |
556 | \r | |
557 | **/\r | |
558 | VOID\r | |
559 | SetConfigInfo (\r | |
560 | IN OUT TCG2_CONFIGURATION_INFO *Tcg2ConfigInfo,\r | |
561 | IN UINT32 TpmAlgHash\r | |
562 | )\r | |
563 | {\r | |
564 | switch (TpmAlgHash) {\r | |
565 | case TPM_ALG_SHA1:\r | |
566 | Tcg2ConfigInfo->Sha1Supported = TRUE;\r | |
567 | break;\r | |
568 | case TPM_ALG_SHA256:\r | |
569 | Tcg2ConfigInfo->Sha256Supported = TRUE;\r | |
570 | break;\r | |
571 | case TPM_ALG_SHA384:\r | |
572 | Tcg2ConfigInfo->Sha384Supported = TRUE;\r | |
573 | break;\r | |
574 | case TPM_ALG_SHA512:\r | |
575 | Tcg2ConfigInfo->Sha512Supported = TRUE;\r | |
576 | break;\r | |
577 | case TPM_ALG_SM3_256:\r | |
578 | Tcg2ConfigInfo->Sm3Supported = TRUE;\r | |
579 | break;\r | |
580 | }\r | |
581 | }\r | |
582 | \r | |
1abfa4ce JY |
583 | /**\r |
584 | Fill Buffer With TCG2EventLogFormat.\r | |
585 | \r | |
586 | @param[in] Buffer Buffer to be filled.\r | |
587 | @param[in] BufferSize Size of buffer.\r | |
588 | @param[in] TCG2EventLogFormat TCG2EventLogFormat.\r | |
589 | \r | |
590 | **/\r | |
591 | VOID\r | |
592 | FillBufferWithTCG2EventLogFormat (\r | |
593 | IN UINT16 *Buffer,\r | |
594 | IN UINTN BufferSize,\r | |
595 | IN UINT32 TCG2EventLogFormat\r | |
596 | )\r | |
597 | {\r | |
598 | Buffer[0] = 0;\r | |
599 | if ((TCG2EventLogFormat & EFI_TCG2_EVENT_LOG_FORMAT_TCG_1_2) != 0) {\r | |
600 | if (Buffer[0] != 0) {\r | |
d2e8af97 | 601 | StrCatS (Buffer, BufferSize / sizeof (CHAR16), L", ");\r |
1abfa4ce | 602 | }\r |
d2e8af97 | 603 | StrCatS (Buffer, BufferSize / sizeof (CHAR16), L"TCG_1_2");\r |
1abfa4ce JY |
604 | }\r |
605 | if ((TCG2EventLogFormat & EFI_TCG2_EVENT_LOG_FORMAT_TCG_2) != 0) {\r | |
606 | if (Buffer[0] != 0) {\r | |
d2e8af97 | 607 | StrCatS (Buffer, BufferSize / sizeof (CHAR16), L", ");\r |
1abfa4ce | 608 | }\r |
d2e8af97 | 609 | StrCatS (Buffer, BufferSize / sizeof (CHAR16), L"TCG_2");\r |
1abfa4ce JY |
610 | }\r |
611 | if ((TCG2EventLogFormat & (~EFI_TCG2_EVENT_LOG_FORMAT_ALL)) != 0) {\r | |
612 | if (Buffer[0] != 0) {\r | |
d2e8af97 | 613 | StrCatS (Buffer, BufferSize / sizeof (CHAR16), L", ");\r |
1abfa4ce | 614 | }\r |
d2e8af97 | 615 | StrCatS (Buffer, BufferSize / sizeof (CHAR16), L"UNKNOWN");\r |
1abfa4ce JY |
616 | }\r |
617 | }\r | |
618 | \r | |
1abfa4ce JY |
619 | /**\r |
620 | This function publish the TCG2 configuration Form for TPM device.\r | |
621 | \r | |
622 | @param[in, out] PrivateData Points to TCG2 configuration private data.\r | |
623 | \r | |
624 | @retval EFI_SUCCESS HII Form is installed for this network device.\r | |
625 | @retval EFI_OUT_OF_RESOURCES Not enough resource for HII Form installation.\r | |
626 | @retval Others Other errors as indicated.\r | |
627 | \r | |
628 | **/\r | |
629 | EFI_STATUS\r | |
630 | InstallTcg2ConfigForm (\r | |
631 | IN OUT TCG2_CONFIG_PRIVATE_DATA *PrivateData\r | |
632 | )\r | |
633 | {\r | |
634 | EFI_STATUS Status;\r | |
635 | EFI_HII_HANDLE HiiHandle;\r | |
636 | EFI_HANDLE DriverHandle;\r | |
637 | EFI_HII_CONFIG_ACCESS_PROTOCOL *ConfigAccess;\r | |
638 | UINTN Index;\r | |
639 | TPML_PCR_SELECTION Pcrs;\r | |
640 | CHAR16 TempBuffer[1024];\r | |
c41eeb44 | 641 | TCG2_CONFIGURATION_INFO Tcg2ConfigInfo;\r |
518b6f65 | 642 | UINT8 TpmDeviceInterfaceDetected;\r |
1abfa4ce JY |
643 | \r |
644 | DriverHandle = NULL;\r | |
645 | ConfigAccess = &PrivateData->ConfigAccess;\r | |
646 | Status = gBS->InstallMultipleProtocolInterfaces (\r | |
647 | &DriverHandle,\r | |
648 | &gEfiDevicePathProtocolGuid,\r | |
649 | &mTcg2HiiVendorDevicePath,\r | |
650 | &gEfiHiiConfigAccessProtocolGuid,\r | |
651 | ConfigAccess,\r | |
652 | NULL\r | |
653 | );\r | |
654 | if (EFI_ERROR (Status)) {\r | |
655 | return Status;\r | |
656 | }\r | |
657 | \r | |
658 | PrivateData->DriverHandle = DriverHandle;\r | |
659 | \r | |
660 | //\r | |
661 | // Publish the HII package list\r | |
662 | //\r | |
663 | HiiHandle = HiiAddPackages (\r | |
664 | &gTcg2ConfigFormSetGuid,\r | |
665 | DriverHandle,\r | |
666 | Tcg2ConfigDxeStrings,\r | |
667 | Tcg2ConfigBin,\r | |
668 | NULL\r | |
669 | );\r | |
670 | if (HiiHandle == NULL) {\r | |
671 | gBS->UninstallMultipleProtocolInterfaces (\r | |
672 | DriverHandle,\r | |
673 | &gEfiDevicePathProtocolGuid,\r | |
674 | &mTcg2HiiVendorDevicePath,\r | |
675 | &gEfiHiiConfigAccessProtocolGuid,\r | |
676 | ConfigAccess,\r | |
677 | NULL\r | |
678 | ); \r | |
679 | \r | |
680 | return EFI_OUT_OF_RESOURCES;\r | |
681 | }\r | |
682 | \r | |
683 | PrivateData->HiiHandle = HiiHandle;\r | |
684 | \r | |
685 | //\r | |
686 | // Update static data\r | |
687 | //\r | |
688 | switch (PrivateData->TpmDeviceDetected) {\r | |
689 | case TPM_DEVICE_NULL:\r | |
690 | HiiSetString (PrivateData->HiiHandle, STRING_TOKEN (STR_TCG2_DEVICE_STATE_CONTENT), L"Not Found", NULL);\r | |
691 | break;\r | |
692 | case TPM_DEVICE_1_2:\r | |
693 | HiiSetString (PrivateData->HiiHandle, STRING_TOKEN (STR_TCG2_DEVICE_STATE_CONTENT), L"TPM 1.2", NULL);\r | |
694 | break;\r | |
695 | case TPM_DEVICE_2_0_DTPM:\r | |
518b6f65 | 696 | HiiSetString (PrivateData->HiiHandle, STRING_TOKEN (STR_TCG2_DEVICE_STATE_CONTENT), L"TPM 2.0", NULL);\r |
1abfa4ce JY |
697 | break;\r |
698 | default:\r | |
699 | HiiSetString (PrivateData->HiiHandle, STRING_TOKEN (STR_TCG2_DEVICE_STATE_CONTENT), L"Unknown", NULL);\r | |
700 | break;\r | |
701 | }\r | |
702 | \r | |
c41eeb44 | 703 | ZeroMem (&Tcg2ConfigInfo, sizeof(Tcg2ConfigInfo));\r |
1abfa4ce JY |
704 | Status = Tpm2GetCapabilityPcrs (&Pcrs);\r |
705 | if (EFI_ERROR (Status)) {\r | |
706 | HiiSetString (PrivateData->HiiHandle, STRING_TOKEN (STR_TPM2_ACTIVE_HASH_ALGO_CONTENT), L"[Unknown]", NULL);\r | |
707 | HiiSetString (PrivateData->HiiHandle, STRING_TOKEN (STR_TPM2_SUPPORTED_HASH_ALGO_CONTENT), L"[Unknown]", NULL);\r | |
708 | } else {\r | |
709 | TempBuffer[0] = 0;\r | |
710 | for (Index = 0; Index < Pcrs.count; Index++) {\r | |
72388f9c | 711 | if (!IsZeroBuffer (Pcrs.pcrSelections[Index].pcrSelect, Pcrs.pcrSelections[Index].sizeofSelect)) {\r |
1abfa4ce JY |
712 | AppendBufferWithTpmAlgHash (TempBuffer, sizeof(TempBuffer), Pcrs.pcrSelections[Index].hash);\r |
713 | }\r | |
714 | }\r | |
715 | HiiSetString (PrivateData->HiiHandle, STRING_TOKEN (STR_TPM2_ACTIVE_HASH_ALGO_CONTENT), TempBuffer, NULL);\r | |
716 | \r | |
717 | TempBuffer[0] = 0;\r | |
718 | for (Index = 0; Index < Pcrs.count; Index++) {\r | |
719 | AppendBufferWithTpmAlgHash (TempBuffer, sizeof(TempBuffer), Pcrs.pcrSelections[Index].hash);\r | |
c41eeb44 | 720 | SetConfigInfo (&Tcg2ConfigInfo, Pcrs.pcrSelections[Index].hash);\r |
1abfa4ce JY |
721 | }\r |
722 | HiiSetString (PrivateData->HiiHandle, STRING_TOKEN (STR_TPM2_SUPPORTED_HASH_ALGO_CONTENT), TempBuffer, NULL);\r | |
723 | }\r | |
724 | \r | |
725 | FillBufferWithBootHashAlg (TempBuffer, sizeof(TempBuffer), PcdGet32 (PcdTcg2HashAlgorithmBitmap));\r | |
726 | HiiSetString (PrivateData->HiiHandle, STRING_TOKEN (STR_BIOS_HASH_ALGO_CONTENT), TempBuffer, NULL);\r | |
727 | \r | |
728 | //\r | |
729 | // Tcg2 Capability\r | |
730 | //\r | |
731 | FillBufferWithTCG2EventLogFormat (TempBuffer, sizeof(TempBuffer), PrivateData->ProtocolCapability.SupportedEventLogs);\r | |
732 | HiiSetString (PrivateData->HiiHandle, STRING_TOKEN (STR_TCG2_SUPPORTED_EVENT_LOG_FORMAT_CONTENT), TempBuffer, NULL);\r | |
733 | \r | |
734 | FillBufferWithBootHashAlg (TempBuffer, sizeof(TempBuffer), PrivateData->ProtocolCapability.HashAlgorithmBitmap);\r | |
735 | HiiSetString (PrivateData->HiiHandle, STRING_TOKEN (STR_TCG2_HASH_ALGO_BITMAP_CONTENT), TempBuffer, NULL);\r | |
736 | \r | |
737 | UnicodeSPrint (TempBuffer, sizeof (TempBuffer), L"%d", PrivateData->ProtocolCapability.NumberOfPCRBanks);\r | |
738 | HiiSetString (PrivateData->HiiHandle, STRING_TOKEN (STR_TCG2_NUMBER_OF_PCR_BANKS_CONTENT), TempBuffer, NULL);\r | |
739 | \r | |
740 | FillBufferWithBootHashAlg (TempBuffer, sizeof(TempBuffer), PrivateData->ProtocolCapability.ActivePcrBanks);\r | |
741 | HiiSetString (PrivateData->HiiHandle, STRING_TOKEN (STR_TCG2_ACTIVE_PCR_BANKS_CONTENT), TempBuffer, NULL);\r | |
742 | \r | |
518b6f65 JY |
743 | //\r |
744 | // Update TPM device interface type\r | |
745 | //\r | |
746 | if (PrivateData->TpmDeviceDetected == TPM_DEVICE_2_0_DTPM) {\r | |
747 | TpmDeviceInterfaceDetected = GetPtpInterface ((VOID *) (UINTN) PcdGet64 (PcdTpmBaseAddress));\r | |
748 | switch (TpmDeviceInterfaceDetected) {\r | |
749 | case TPM_DEVICE_INTERFACE_TIS:\r | |
750 | HiiSetString (PrivateData->HiiHandle, STRING_TOKEN (STR_TCG2_DEVICE_INTERFACE_STATE_CONTENT), L"TIS", NULL);\r | |
751 | break;\r | |
752 | case TPM_DEVICE_INTERFACE_PTP_FIFO:\r | |
753 | HiiSetString (PrivateData->HiiHandle, STRING_TOKEN (STR_TCG2_DEVICE_INTERFACE_STATE_CONTENT), L"PTP FIFO", NULL);\r | |
754 | break;\r | |
755 | case TPM_DEVICE_INTERFACE_PTP_CRB:\r | |
756 | HiiSetString (PrivateData->HiiHandle, STRING_TOKEN (STR_TCG2_DEVICE_INTERFACE_STATE_CONTENT), L"PTP CRB", NULL);\r | |
757 | break;\r | |
758 | default:\r | |
759 | HiiSetString (PrivateData->HiiHandle, STRING_TOKEN (STR_TCG2_DEVICE_INTERFACE_STATE_CONTENT), L"Unknown", NULL);\r | |
760 | break;\r | |
761 | }\r | |
762 | \r | |
763 | Tcg2ConfigInfo.TpmDeviceInterfaceAttempt = TpmDeviceInterfaceDetected;\r | |
764 | switch (TpmDeviceInterfaceDetected) {\r | |
765 | case TPM_DEVICE_INTERFACE_TIS:\r | |
766 | Tcg2ConfigInfo.TpmDeviceInterfacePtpFifoSupported = FALSE;\r | |
767 | Tcg2ConfigInfo.TpmDeviceInterfacePtpCrbSupported = FALSE;\r | |
768 | HiiSetString (PrivateData->HiiHandle, STRING_TOKEN (STR_TCG2_DEVICE_INTERFACE_CAPABILITY_CONTENT), L"TIS", NULL);\r | |
769 | break;\r | |
770 | case TPM_DEVICE_INTERFACE_PTP_FIFO:\r | |
771 | case TPM_DEVICE_INTERFACE_PTP_CRB:\r | |
772 | Tcg2ConfigInfo.TpmDeviceInterfacePtpFifoSupported = IsPtpFifoSupported((VOID *) (UINTN) PcdGet64 (PcdTpmBaseAddress));\r | |
773 | Tcg2ConfigInfo.TpmDeviceInterfacePtpCrbSupported = IsPtpCrbSupported((VOID *) (UINTN) PcdGet64 (PcdTpmBaseAddress));\r | |
774 | TempBuffer[0] = 0;\r | |
775 | if (Tcg2ConfigInfo.TpmDeviceInterfacePtpFifoSupported) {\r | |
776 | if (TempBuffer[0] != 0) {\r | |
777 | StrCatS (TempBuffer, sizeof(TempBuffer) / sizeof (CHAR16), L", ");\r | |
778 | }\r | |
779 | StrCatS (TempBuffer, sizeof(TempBuffer) / sizeof (CHAR16), L"PTP FIFO");\r | |
780 | }\r | |
781 | if (Tcg2ConfigInfo.TpmDeviceInterfacePtpCrbSupported) {\r | |
782 | if (TempBuffer[0] != 0) {\r | |
783 | StrCatS (TempBuffer, sizeof(TempBuffer) / sizeof (CHAR16), L", ");\r | |
784 | }\r | |
785 | StrCatS (TempBuffer, sizeof(TempBuffer) / sizeof (CHAR16), L"PTP CRB");\r | |
786 | }\r | |
787 | HiiSetString (PrivateData->HiiHandle, STRING_TOKEN (STR_TCG2_DEVICE_INTERFACE_CAPABILITY_CONTENT), TempBuffer, NULL);\r | |
788 | break;\r | |
789 | default:\r | |
790 | Tcg2ConfigInfo.TpmDeviceInterfacePtpFifoSupported = FALSE;\r | |
791 | Tcg2ConfigInfo.TpmDeviceInterfacePtpCrbSupported = FALSE;\r | |
792 | HiiSetString (PrivateData->HiiHandle, STRING_TOKEN (STR_TCG2_DEVICE_INTERFACE_CAPABILITY_CONTENT), L"Unknown", NULL);\r | |
793 | break;\r | |
794 | }\r | |
795 | }\r | |
796 | \r | |
c41eeb44 JY |
797 | //\r |
798 | // Set ConfigInfo, to control the check box.\r | |
799 | //\r | |
800 | Status = gRT->SetVariable (\r | |
801 | TCG2_STORAGE_INFO_NAME,\r | |
802 | &gTcg2ConfigFormSetGuid,\r | |
803 | EFI_VARIABLE_BOOTSERVICE_ACCESS,\r | |
804 | sizeof(Tcg2ConfigInfo),\r | |
805 | &Tcg2ConfigInfo\r | |
806 | );\r | |
807 | if (EFI_ERROR (Status)) {\r | |
808 | DEBUG ((EFI_D_ERROR, "Tcg2ConfigDriver: Fail to set TCG2_STORAGE_INFO_NAME\n"));\r | |
809 | }\r | |
1abfa4ce JY |
810 | return EFI_SUCCESS; \r |
811 | }\r | |
812 | \r | |
813 | /**\r | |
814 | This function removes TCG2 configuration Form.\r | |
815 | \r | |
816 | @param[in, out] PrivateData Points to TCG2 configuration private data.\r | |
817 | \r | |
818 | **/\r | |
819 | VOID\r | |
820 | UninstallTcg2ConfigForm (\r | |
821 | IN OUT TCG2_CONFIG_PRIVATE_DATA *PrivateData\r | |
822 | )\r | |
823 | {\r | |
824 | //\r | |
825 | // Uninstall HII package list\r | |
826 | //\r | |
827 | if (PrivateData->HiiHandle != NULL) {\r | |
828 | HiiRemovePackages (PrivateData->HiiHandle);\r | |
829 | PrivateData->HiiHandle = NULL;\r | |
830 | }\r | |
831 | \r | |
832 | //\r | |
833 | // Uninstall HII Config Access Protocol\r | |
834 | //\r | |
835 | if (PrivateData->DriverHandle != NULL) {\r | |
836 | gBS->UninstallMultipleProtocolInterfaces (\r | |
837 | PrivateData->DriverHandle,\r | |
838 | &gEfiDevicePathProtocolGuid,\r | |
839 | &mTcg2HiiVendorDevicePath,\r | |
840 | &gEfiHiiConfigAccessProtocolGuid,\r | |
841 | &PrivateData->ConfigAccess,\r | |
842 | NULL\r | |
843 | );\r | |
844 | PrivateData->DriverHandle = NULL;\r | |
845 | }\r | |
846 | \r | |
847 | FreePool (PrivateData);\r | |
848 | }\r |