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c1d93242 JY |
1 | /** @file\r |
2 | Implement TPM2 NVStorage related command.\r | |
3 | \r | |
7ae130da | 4 | Copyright (c) 2013 - 2016, Intel Corporation. All rights reserved. <BR>\r |
c1d93242 JY |
5 | This program and the accompanying materials\r |
6 | are licensed and made available under the terms and conditions of the BSD License\r | |
7 | which accompanies this distribution. The full text of the license may be found at\r | |
8 | http://opensource.org/licenses/bsd-license.php\r | |
9 | \r | |
10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
12 | \r | |
13 | **/\r | |
14 | \r | |
15 | #include <IndustryStandard/UefiTcgPlatform.h>\r | |
16 | #include <Library/Tpm2CommandLib.h>\r | |
17 | #include <Library/Tpm2DeviceLib.h>\r | |
18 | #include <Library/BaseMemoryLib.h>\r | |
19 | #include <Library/BaseLib.h>\r | |
20 | #include <Library/DebugLib.h>\r | |
21 | \r | |
22 | #pragma pack(1)\r | |
23 | \r | |
24 | #define RC_NV_ReadPublic_nvIndex (TPM_RC_H + TPM_RC_1)\r | |
25 | \r | |
26 | #define RC_NV_DefineSpace_authHandle (TPM_RC_H + TPM_RC_1)\r | |
27 | #define RC_NV_DefineSpace_auth (TPM_RC_P + TPM_RC_1)\r | |
28 | #define RC_NV_DefineSpace_publicInfo (TPM_RC_P + TPM_RC_2)\r | |
29 | \r | |
30 | #define RC_NV_UndefineSpace_authHandle (TPM_RC_H + TPM_RC_1)\r | |
31 | #define RC_NV_UndefineSpace_nvIndex (TPM_RC_H + TPM_RC_2)\r | |
32 | \r | |
33 | #define RC_NV_Read_authHandle (TPM_RC_H + TPM_RC_1)\r | |
34 | #define RC_NV_Read_nvIndex (TPM_RC_H + TPM_RC_2)\r | |
35 | #define RC_NV_Read_size (TPM_RC_P + TPM_RC_1)\r | |
36 | #define RC_NV_Read_offset (TPM_RC_P + TPM_RC_2)\r | |
37 | \r | |
38 | #define RC_NV_Write_authHandle (TPM_RC_H + TPM_RC_1)\r | |
39 | #define RC_NV_Write_nvIndex (TPM_RC_H + TPM_RC_2)\r | |
40 | #define RC_NV_Write_data (TPM_RC_P + TPM_RC_1)\r | |
41 | #define RC_NV_Write_offset (TPM_RC_P + TPM_RC_2)\r | |
42 | \r | |
43 | typedef struct {\r | |
44 | TPM2_COMMAND_HEADER Header;\r | |
45 | TPMI_RH_NV_INDEX NvIndex;\r | |
46 | } TPM2_NV_READPUBLIC_COMMAND;\r | |
47 | \r | |
48 | typedef struct {\r | |
49 | TPM2_RESPONSE_HEADER Header;\r | |
50 | TPM2B_NV_PUBLIC NvPublic;\r | |
51 | TPM2B_NAME NvName;\r | |
52 | } TPM2_NV_READPUBLIC_RESPONSE;\r | |
53 | \r | |
54 | typedef struct {\r | |
55 | TPM2_COMMAND_HEADER Header;\r | |
56 | TPMI_RH_PROVISION AuthHandle;\r | |
57 | UINT32 AuthSessionSize;\r | |
58 | TPMS_AUTH_COMMAND AuthSession;\r | |
59 | TPM2B_AUTH Auth;\r | |
60 | TPM2B_NV_PUBLIC NvPublic;\r | |
61 | } TPM2_NV_DEFINESPACE_COMMAND;\r | |
62 | \r | |
63 | typedef struct {\r | |
64 | TPM2_RESPONSE_HEADER Header;\r | |
65 | UINT32 AuthSessionSize;\r | |
66 | TPMS_AUTH_RESPONSE AuthSession;\r | |
67 | } TPM2_NV_DEFINESPACE_RESPONSE;\r | |
68 | \r | |
69 | typedef struct {\r | |
70 | TPM2_COMMAND_HEADER Header;\r | |
71 | TPMI_RH_PROVISION AuthHandle;\r | |
72 | TPMI_RH_NV_INDEX NvIndex;\r | |
73 | UINT32 AuthSessionSize;\r | |
74 | TPMS_AUTH_COMMAND AuthSession;\r | |
75 | } TPM2_NV_UNDEFINESPACE_COMMAND;\r | |
76 | \r | |
77 | typedef struct {\r | |
78 | TPM2_RESPONSE_HEADER Header;\r | |
79 | UINT32 AuthSessionSize;\r | |
80 | TPMS_AUTH_RESPONSE AuthSession;\r | |
81 | } TPM2_NV_UNDEFINESPACE_RESPONSE;\r | |
82 | \r | |
83 | typedef struct {\r | |
84 | TPM2_COMMAND_HEADER Header;\r | |
85 | TPMI_RH_NV_AUTH AuthHandle;\r | |
86 | TPMI_RH_NV_INDEX NvIndex;\r | |
87 | UINT32 AuthSessionSize;\r | |
88 | TPMS_AUTH_COMMAND AuthSession;\r | |
89 | UINT16 Size;\r | |
90 | UINT16 Offset;\r | |
91 | } TPM2_NV_READ_COMMAND;\r | |
92 | \r | |
93 | typedef struct {\r | |
94 | TPM2_RESPONSE_HEADER Header;\r | |
95 | UINT32 AuthSessionSize;\r | |
96 | TPM2B_MAX_BUFFER Data;\r | |
97 | TPMS_AUTH_RESPONSE AuthSession;\r | |
98 | } TPM2_NV_READ_RESPONSE;\r | |
99 | \r | |
100 | typedef struct {\r | |
101 | TPM2_COMMAND_HEADER Header;\r | |
102 | TPMI_RH_NV_AUTH AuthHandle;\r | |
103 | TPMI_RH_NV_INDEX NvIndex;\r | |
104 | UINT32 AuthSessionSize;\r | |
105 | TPMS_AUTH_COMMAND AuthSession;\r | |
106 | TPM2B_MAX_BUFFER Data;\r | |
107 | UINT16 Offset;\r | |
108 | } TPM2_NV_WRITE_COMMAND;\r | |
109 | \r | |
110 | typedef struct {\r | |
111 | TPM2_RESPONSE_HEADER Header;\r | |
112 | UINT32 AuthSessionSize;\r | |
113 | TPMS_AUTH_RESPONSE AuthSession;\r | |
114 | } TPM2_NV_WRITE_RESPONSE;\r | |
115 | \r | |
116 | typedef struct {\r | |
117 | TPM2_COMMAND_HEADER Header;\r | |
118 | TPMI_RH_NV_AUTH AuthHandle;\r | |
119 | TPMI_RH_NV_INDEX NvIndex;\r | |
120 | UINT32 AuthSessionSize;\r | |
121 | TPMS_AUTH_COMMAND AuthSession;\r | |
122 | } TPM2_NV_READLOCK_COMMAND;\r | |
123 | \r | |
124 | typedef struct {\r | |
125 | TPM2_RESPONSE_HEADER Header;\r | |
126 | UINT32 AuthSessionSize;\r | |
127 | TPMS_AUTH_RESPONSE AuthSession;\r | |
128 | } TPM2_NV_READLOCK_RESPONSE;\r | |
129 | \r | |
130 | typedef struct {\r | |
131 | TPM2_COMMAND_HEADER Header;\r | |
132 | TPMI_RH_NV_AUTH AuthHandle;\r | |
133 | TPMI_RH_NV_INDEX NvIndex;\r | |
134 | UINT32 AuthSessionSize;\r | |
135 | TPMS_AUTH_COMMAND AuthSession;\r | |
136 | } TPM2_NV_WRITELOCK_COMMAND;\r | |
137 | \r | |
138 | typedef struct {\r | |
139 | TPM2_RESPONSE_HEADER Header;\r | |
140 | UINT32 AuthSessionSize;\r | |
141 | TPMS_AUTH_RESPONSE AuthSession;\r | |
142 | } TPM2_NV_WRITELOCK_RESPONSE;\r | |
143 | \r | |
144 | typedef struct {\r | |
145 | TPM2_COMMAND_HEADER Header;\r | |
146 | TPMI_RH_PROVISION AuthHandle;\r | |
147 | UINT32 AuthSessionSize;\r | |
148 | TPMS_AUTH_COMMAND AuthSession;\r | |
149 | } TPM2_NV_GLOBALWRITELOCK_COMMAND;\r | |
150 | \r | |
151 | typedef struct {\r | |
152 | TPM2_RESPONSE_HEADER Header;\r | |
153 | UINT32 AuthSessionSize;\r | |
154 | TPMS_AUTH_RESPONSE AuthSession;\r | |
155 | } TPM2_NV_GLOBALWRITELOCK_RESPONSE;\r | |
156 | \r | |
157 | #pragma pack()\r | |
158 | \r | |
159 | /**\r | |
160 | This command is used to read the public area and Name of an NV Index.\r | |
161 | \r | |
162 | @param[in] NvIndex The NV Index.\r | |
163 | @param[out] NvPublic The public area of the index.\r | |
164 | @param[out] NvName The Name of the nvIndex.\r | |
165 | \r | |
166 | @retval EFI_SUCCESS Operation completed successfully.\r | |
167 | @retval EFI_DEVICE_ERROR The command was unsuccessful.\r | |
168 | @retval EFI_NOT_FOUND The command was returned successfully, but NvIndex is not found.\r | |
169 | **/\r | |
170 | EFI_STATUS\r | |
171 | EFIAPI\r | |
172 | Tpm2NvReadPublic (\r | |
173 | IN TPMI_RH_NV_INDEX NvIndex,\r | |
174 | OUT TPM2B_NV_PUBLIC *NvPublic,\r | |
175 | OUT TPM2B_NAME *NvName\r | |
176 | )\r | |
177 | {\r | |
178 | EFI_STATUS Status;\r | |
179 | TPM2_NV_READPUBLIC_COMMAND SendBuffer;\r | |
180 | TPM2_NV_READPUBLIC_RESPONSE RecvBuffer;\r | |
181 | UINT32 SendBufferSize;\r | |
182 | UINT32 RecvBufferSize;\r | |
183 | UINT16 NvPublicSize;\r | |
184 | UINT16 NvNameSize;\r | |
185 | UINT8 *Buffer;\r | |
186 | TPM_RC ResponseCode;\r | |
187 | \r | |
188 | //\r | |
189 | // Construct command\r | |
190 | //\r | |
191 | SendBuffer.Header.tag = SwapBytes16(TPM_ST_NO_SESSIONS);\r | |
192 | SendBuffer.Header.commandCode = SwapBytes32(TPM_CC_NV_ReadPublic);\r | |
193 | \r | |
194 | SendBuffer.NvIndex = SwapBytes32 (NvIndex);\r | |
195 | \r | |
196 | SendBufferSize = (UINT32) sizeof (SendBuffer);\r | |
197 | SendBuffer.Header.paramSize = SwapBytes32 (SendBufferSize);\r | |
198 | \r | |
199 | //\r | |
200 | // send Tpm command\r | |
201 | //\r | |
202 | RecvBufferSize = sizeof (RecvBuffer);\r | |
203 | Status = Tpm2SubmitCommand (SendBufferSize, (UINT8 *)&SendBuffer, &RecvBufferSize, (UINT8 *)&RecvBuffer);\r | |
204 | if (EFI_ERROR (Status)) {\r | |
205 | return Status;\r | |
206 | }\r | |
207 | \r | |
208 | if (RecvBufferSize < sizeof (TPM2_RESPONSE_HEADER)) {\r | |
209 | DEBUG ((EFI_D_ERROR, "Tpm2NvReadPublic - RecvBufferSize Error - %x\n", RecvBufferSize));\r | |
210 | return EFI_DEVICE_ERROR;\r | |
211 | }\r | |
212 | ResponseCode = SwapBytes32(RecvBuffer.Header.responseCode);\r | |
213 | if (ResponseCode != TPM_RC_SUCCESS) {\r | |
214 | DEBUG ((EFI_D_ERROR, "Tpm2NvReadPublic - responseCode - %x\n", SwapBytes32(RecvBuffer.Header.responseCode)));\r | |
215 | }\r | |
216 | switch (ResponseCode) {\r | |
217 | case TPM_RC_SUCCESS:\r | |
218 | // return data\r | |
219 | break;\r | |
220 | case TPM_RC_HANDLE + RC_NV_ReadPublic_nvIndex: // TPM_RC_NV_DEFINED:\r | |
221 | return EFI_NOT_FOUND;\r | |
222 | case TPM_RC_VALUE + RC_NV_ReadPublic_nvIndex:\r | |
223 | return EFI_INVALID_PARAMETER;\r | |
224 | default:\r | |
225 | return EFI_DEVICE_ERROR;\r | |
226 | }\r | |
227 | \r | |
228 | if (RecvBufferSize <= sizeof (TPM2_RESPONSE_HEADER) + sizeof (UINT16) + sizeof(UINT16)) {\r | |
229 | DEBUG ((EFI_D_ERROR, "Tpm2NvReadPublic - RecvBufferSize Error - %x\n", RecvBufferSize));\r | |
230 | return EFI_NOT_FOUND;\r | |
231 | }\r | |
232 | \r | |
233 | //\r | |
234 | // Basic check\r | |
235 | //\r | |
236 | NvPublicSize = SwapBytes16 (RecvBuffer.NvPublic.size);\r | |
237 | NvNameSize = SwapBytes16 (ReadUnaligned16 ((UINT16 *)((UINT8 *)&RecvBuffer + sizeof(TPM2_RESPONSE_HEADER) + sizeof(UINT16) + NvPublicSize)));\r | |
238 | \r | |
239 | if (RecvBufferSize != sizeof(TPM2_RESPONSE_HEADER) + sizeof(UINT16) + NvPublicSize + sizeof(UINT16) + NvNameSize) {\r | |
240 | DEBUG ((EFI_D_ERROR, "Tpm2NvReadPublic - RecvBufferSize Error - NvPublicSize %x, NvNameSize %x\n", RecvBufferSize, NvNameSize));\r | |
241 | return EFI_NOT_FOUND;\r | |
242 | }\r | |
243 | \r | |
244 | //\r | |
245 | // Return the response\r | |
246 | //\r | |
247 | CopyMem (NvPublic, &RecvBuffer.NvPublic, sizeof(UINT16) + NvPublicSize);\r | |
248 | NvPublic->size = NvPublicSize;\r | |
249 | NvPublic->nvPublic.nvIndex = SwapBytes32 (NvPublic->nvPublic.nvIndex);\r | |
250 | NvPublic->nvPublic.nameAlg = SwapBytes16 (NvPublic->nvPublic.nameAlg);\r | |
251 | WriteUnaligned32 ((UINT32 *)&NvPublic->nvPublic.attributes, SwapBytes32 (ReadUnaligned32 ((UINT32 *)&NvPublic->nvPublic.attributes)));\r | |
252 | NvPublic->nvPublic.authPolicy.size = SwapBytes16 (NvPublic->nvPublic.authPolicy.size);\r | |
b1b1d646 | 253 | Buffer = (UINT8 *)&RecvBuffer.NvPublic.nvPublic.authPolicy;\r |
c1d93242 JY |
254 | Buffer += sizeof(UINT16) + NvPublic->nvPublic.authPolicy.size;\r |
255 | NvPublic->nvPublic.dataSize = SwapBytes16 (ReadUnaligned16 ((UINT16 *)Buffer));\r | |
256 | \r | |
b1b1d646 | 257 | CopyMem (NvName->name, (UINT8 *)&RecvBuffer + sizeof(TPM2_RESPONSE_HEADER) + sizeof(UINT16) + NvPublicSize + sizeof(UINT16), NvNameSize);\r |
c1d93242 JY |
258 | NvName->size = NvNameSize;\r |
259 | \r | |
260 | return EFI_SUCCESS;\r | |
261 | }\r | |
262 | \r | |
263 | /**\r | |
264 | This command defines the attributes of an NV Index and causes the TPM to\r | |
265 | reserve space to hold the data associated with the index.\r | |
266 | If a definition already exists at the index, the TPM will return TPM_RC_NV_DEFINED.\r | |
267 | \r | |
268 | @param[in] AuthHandle TPM_RH_OWNER or TPM_RH_PLATFORM+{PP}.\r | |
269 | @param[in] AuthSession Auth Session context\r | |
270 | @param[in] Auth The authorization data.\r | |
271 | @param[in] NvPublic The public area of the index.\r | |
272 | \r | |
273 | @retval EFI_SUCCESS Operation completed successfully.\r | |
274 | @retval EFI_DEVICE_ERROR The command was unsuccessful.\r | |
275 | @retval EFI_ALREADY_STARTED The command was returned successfully, but NvIndex is already defined.\r | |
276 | **/\r | |
277 | EFI_STATUS\r | |
278 | EFIAPI\r | |
279 | Tpm2NvDefineSpace (\r | |
280 | IN TPMI_RH_PROVISION AuthHandle,\r | |
281 | IN TPMS_AUTH_COMMAND *AuthSession, OPTIONAL\r | |
282 | IN TPM2B_AUTH *Auth,\r | |
283 | IN TPM2B_NV_PUBLIC *NvPublic\r | |
284 | )\r | |
285 | {\r | |
286 | EFI_STATUS Status;\r | |
287 | TPM2_NV_DEFINESPACE_COMMAND SendBuffer;\r | |
288 | TPM2_NV_DEFINESPACE_RESPONSE RecvBuffer;\r | |
289 | UINT32 SendBufferSize;\r | |
290 | UINT32 RecvBufferSize;\r | |
291 | UINT16 NvPublicSize;\r | |
292 | UINT8 *Buffer;\r | |
293 | UINT32 SessionInfoSize;\r | |
294 | TPM_RC ResponseCode;\r | |
295 | \r | |
296 | //\r | |
297 | // Construct command\r | |
298 | //\r | |
299 | SendBuffer.Header.tag = SwapBytes16(TPM_ST_SESSIONS);\r | |
300 | SendBuffer.Header.commandCode = SwapBytes32(TPM_CC_NV_DefineSpace);\r | |
301 | SendBuffer.AuthHandle = SwapBytes32 (AuthHandle);\r | |
302 | \r | |
303 | //\r | |
304 | // Add in Auth session\r | |
305 | //\r | |
306 | Buffer = (UINT8 *)&SendBuffer.AuthSession;\r | |
307 | \r | |
308 | // sessionInfoSize\r | |
309 | SessionInfoSize = CopyAuthSessionCommand (AuthSession, Buffer);\r | |
310 | Buffer += SessionInfoSize;\r | |
311 | SendBuffer.AuthSessionSize = SwapBytes32(SessionInfoSize);\r | |
312 | \r | |
313 | //\r | |
314 | // IndexAuth\r | |
315 | //\r | |
316 | WriteUnaligned16 ((UINT16 *)Buffer, SwapBytes16(Auth->size));\r | |
317 | Buffer += sizeof(UINT16);\r | |
318 | CopyMem(Buffer, Auth->buffer, Auth->size);\r | |
319 | Buffer += Auth->size;\r | |
320 | \r | |
321 | //\r | |
322 | // NvPublic\r | |
323 | //\r | |
324 | NvPublicSize = NvPublic->size;\r | |
325 | \r | |
326 | WriteUnaligned16 ((UINT16 *)Buffer, SwapBytes16 (NvPublicSize));\r | |
327 | Buffer += sizeof(UINT16);\r | |
328 | WriteUnaligned32 ((UINT32 *)Buffer, SwapBytes32 (NvPublic->nvPublic.nvIndex));\r | |
329 | Buffer += sizeof(UINT32);\r | |
330 | WriteUnaligned16 ((UINT16 *)Buffer, SwapBytes16 (NvPublic->nvPublic.nameAlg));\r | |
331 | Buffer += sizeof(UINT16);\r | |
332 | WriteUnaligned32 ((UINT32 *)Buffer, SwapBytes32 (ReadUnaligned32 ((UINT32 *)&NvPublic->nvPublic.attributes)));\r | |
333 | Buffer += sizeof(UINT32);\r | |
334 | WriteUnaligned16 ((UINT16 *)Buffer, SwapBytes16 (NvPublic->nvPublic.authPolicy.size));\r | |
335 | Buffer += sizeof(UINT16);\r | |
336 | CopyMem (Buffer, NvPublic->nvPublic.authPolicy.buffer, NvPublic->nvPublic.authPolicy.size);\r | |
337 | Buffer += NvPublic->nvPublic.authPolicy.size;\r | |
338 | WriteUnaligned16 ((UINT16 *)Buffer, SwapBytes16 (NvPublic->nvPublic.dataSize));\r | |
339 | Buffer += sizeof(UINT16);\r | |
340 | \r | |
341 | SendBufferSize = (UINT32)(Buffer - (UINT8 *)&SendBuffer);\r | |
342 | SendBuffer.Header.paramSize = SwapBytes32 (SendBufferSize);\r | |
343 | \r | |
344 | //\r | |
345 | // send Tpm command\r | |
346 | //\r | |
347 | RecvBufferSize = sizeof (RecvBuffer);\r | |
348 | Status = Tpm2SubmitCommand (SendBufferSize, (UINT8 *)&SendBuffer, &RecvBufferSize, (UINT8 *)&RecvBuffer);\r | |
349 | if (EFI_ERROR (Status)) {\r | |
7ae130da | 350 | goto Done;\r |
c1d93242 JY |
351 | }\r |
352 | \r | |
353 | if (RecvBufferSize < sizeof (TPM2_RESPONSE_HEADER)) {\r | |
354 | DEBUG ((EFI_D_ERROR, "Tpm2NvDefineSpace - RecvBufferSize Error - %x\n", RecvBufferSize));\r | |
7ae130da JY |
355 | Status = EFI_DEVICE_ERROR;\r |
356 | goto Done;\r | |
c1d93242 JY |
357 | }\r |
358 | \r | |
359 | ResponseCode = SwapBytes32(RecvBuffer.Header.responseCode);\r | |
360 | if (ResponseCode != TPM_RC_SUCCESS) {\r | |
361 | DEBUG ((EFI_D_ERROR, "Tpm2NvDefineSpace - responseCode - %x\n", SwapBytes32(RecvBuffer.Header.responseCode)));\r | |
362 | }\r | |
363 | switch (ResponseCode) {\r | |
364 | case TPM_RC_SUCCESS:\r | |
365 | // return data\r | |
366 | break;\r | |
367 | case TPM_RC_SIZE + RC_NV_DefineSpace_publicInfo:\r | |
368 | case TPM_RC_SIZE + RC_NV_DefineSpace_auth:\r | |
7ae130da JY |
369 | Status = EFI_BAD_BUFFER_SIZE;\r |
370 | break;\r | |
c1d93242 JY |
371 | case TPM_RC_ATTRIBUTES:\r |
372 | case TPM_RC_ATTRIBUTES + RC_NV_DefineSpace_publicInfo:\r | |
7ae130da JY |
373 | Status = EFI_UNSUPPORTED;\r |
374 | break;\r | |
c1d93242 | 375 | case TPM_RC_ATTRIBUTES + RC_NV_DefineSpace_authHandle:\r |
7ae130da JY |
376 | Status = EFI_INVALID_PARAMETER;\r |
377 | break;\r | |
c1d93242 | 378 | case TPM_RC_NV_DEFINED:\r |
7ae130da JY |
379 | Status = EFI_ALREADY_STARTED;\r |
380 | break;\r | |
c1d93242 JY |
381 | case TPM_RC_VALUE + RC_NV_DefineSpace_publicInfo:\r |
382 | case TPM_RC_VALUE + RC_NV_DefineSpace_authHandle:\r | |
7ae130da JY |
383 | Status = EFI_INVALID_PARAMETER;\r |
384 | break;\r | |
c1d93242 | 385 | case TPM_RC_NV_SPACE:\r |
7ae130da JY |
386 | Status = EFI_OUT_OF_RESOURCES;\r |
387 | break;\r | |
c1d93242 | 388 | default:\r |
7ae130da JY |
389 | Status = EFI_DEVICE_ERROR;\r |
390 | break;\r | |
c1d93242 | 391 | }\r |
7ae130da JY |
392 | \r |
393 | Done:\r | |
394 | //\r | |
395 | // Clear AuthSession Content\r | |
396 | //\r | |
397 | ZeroMem (&SendBuffer, sizeof(SendBuffer));\r | |
398 | ZeroMem (&RecvBuffer, sizeof(RecvBuffer));\r | |
399 | return Status;\r | |
c1d93242 JY |
400 | }\r |
401 | \r | |
402 | /**\r | |
403 | This command removes an index from the TPM.\r | |
404 | \r | |
405 | @param[in] AuthHandle TPM_RH_OWNER or TPM_RH_PLATFORM+{PP}.\r | |
406 | @param[in] NvIndex The NV Index.\r | |
407 | @param[in] AuthSession Auth Session context\r | |
408 | \r | |
409 | @retval EFI_SUCCESS Operation completed successfully.\r | |
410 | @retval EFI_DEVICE_ERROR The command was unsuccessful.\r | |
411 | @retval EFI_NOT_FOUND The command was returned successfully, but NvIndex is not found.\r | |
412 | **/\r | |
413 | EFI_STATUS\r | |
414 | EFIAPI\r | |
415 | Tpm2NvUndefineSpace (\r | |
416 | IN TPMI_RH_PROVISION AuthHandle,\r | |
417 | IN TPMI_RH_NV_INDEX NvIndex,\r | |
418 | IN TPMS_AUTH_COMMAND *AuthSession OPTIONAL\r | |
419 | )\r | |
420 | {\r | |
421 | EFI_STATUS Status;\r | |
422 | TPM2_NV_UNDEFINESPACE_COMMAND SendBuffer;\r | |
423 | TPM2_NV_UNDEFINESPACE_RESPONSE RecvBuffer;\r | |
424 | UINT32 SendBufferSize;\r | |
425 | UINT32 RecvBufferSize;\r | |
426 | UINT8 *Buffer;\r | |
427 | UINT32 SessionInfoSize;\r | |
428 | TPM_RC ResponseCode;\r | |
429 | \r | |
430 | //\r | |
431 | // Construct command\r | |
432 | //\r | |
433 | SendBuffer.Header.tag = SwapBytes16(TPM_ST_SESSIONS);\r | |
434 | SendBuffer.Header.commandCode = SwapBytes32(TPM_CC_NV_UndefineSpace);\r | |
435 | \r | |
436 | SendBuffer.AuthHandle = SwapBytes32 (AuthHandle);\r | |
437 | SendBuffer.NvIndex = SwapBytes32 (NvIndex);\r | |
438 | \r | |
439 | //\r | |
440 | // Add in Auth session\r | |
441 | //\r | |
442 | Buffer = (UINT8 *)&SendBuffer.AuthSession;\r | |
443 | \r | |
444 | // sessionInfoSize\r | |
445 | SessionInfoSize = CopyAuthSessionCommand (AuthSession, Buffer);\r | |
446 | Buffer += SessionInfoSize;\r | |
447 | SendBuffer.AuthSessionSize = SwapBytes32(SessionInfoSize);\r | |
448 | \r | |
449 | SendBufferSize = (UINT32)(Buffer - (UINT8 *)&SendBuffer);\r | |
450 | SendBuffer.Header.paramSize = SwapBytes32 (SendBufferSize);\r | |
451 | \r | |
452 | //\r | |
453 | // send Tpm command\r | |
454 | //\r | |
455 | RecvBufferSize = sizeof (RecvBuffer);\r | |
456 | Status = Tpm2SubmitCommand (SendBufferSize, (UINT8 *)&SendBuffer, &RecvBufferSize, (UINT8 *)&RecvBuffer);\r | |
457 | if (EFI_ERROR (Status)) {\r | |
7ae130da | 458 | goto Done;\r |
c1d93242 JY |
459 | }\r |
460 | \r | |
461 | if (RecvBufferSize < sizeof (TPM2_RESPONSE_HEADER)) {\r | |
462 | DEBUG ((EFI_D_ERROR, "Tpm2NvUndefineSpace - RecvBufferSize Error - %x\n", RecvBufferSize));\r | |
7ae130da JY |
463 | Status = EFI_DEVICE_ERROR;\r |
464 | goto Done;\r | |
c1d93242 JY |
465 | }\r |
466 | \r | |
467 | ResponseCode = SwapBytes32(RecvBuffer.Header.responseCode);\r | |
468 | if (ResponseCode != TPM_RC_SUCCESS) {\r | |
469 | DEBUG ((EFI_D_ERROR, "Tpm2NvUndefineSpace - responseCode - %x\n", SwapBytes32(RecvBuffer.Header.responseCode)));\r | |
470 | }\r | |
471 | switch (ResponseCode) {\r | |
472 | case TPM_RC_SUCCESS:\r | |
473 | // return data\r | |
474 | break;\r | |
475 | case TPM_RC_ATTRIBUTES:\r | |
476 | case TPM_RC_ATTRIBUTES + RC_NV_UndefineSpace_nvIndex:\r | |
7ae130da JY |
477 | Status = EFI_UNSUPPORTED;\r |
478 | break;\r | |
c1d93242 | 479 | case TPM_RC_NV_AUTHORIZATION:\r |
7ae130da JY |
480 | Status = EFI_SECURITY_VIOLATION;\r |
481 | break;\r | |
c1d93242 | 482 | case TPM_RC_HANDLE + RC_NV_UndefineSpace_nvIndex: // TPM_RC_NV_DEFINED:\r |
7ae130da JY |
483 | Status = EFI_NOT_FOUND;\r |
484 | break;\r | |
c1d93242 | 485 | case TPM_RC_HANDLE + RC_NV_UndefineSpace_authHandle: // TPM_RC_NV_DEFINED:\r |
7ae130da JY |
486 | Status = EFI_INVALID_PARAMETER;\r |
487 | break;\r | |
c1d93242 JY |
488 | case TPM_RC_VALUE + RC_NV_UndefineSpace_authHandle:\r |
489 | case TPM_RC_VALUE + RC_NV_UndefineSpace_nvIndex:\r | |
7ae130da JY |
490 | Status = EFI_INVALID_PARAMETER;\r |
491 | break;\r | |
c1d93242 | 492 | default:\r |
7ae130da JY |
493 | Status = EFI_DEVICE_ERROR;\r |
494 | break;\r | |
c1d93242 JY |
495 | }\r |
496 | \r | |
7ae130da JY |
497 | Done:\r |
498 | //\r | |
499 | // Clear AuthSession Content\r | |
500 | //\r | |
501 | ZeroMem (&SendBuffer, sizeof(SendBuffer));\r | |
502 | ZeroMem (&RecvBuffer, sizeof(RecvBuffer));\r | |
503 | return Status;\r | |
c1d93242 JY |
504 | }\r |
505 | \r | |
506 | /**\r | |
507 | This command reads a value from an area in NV memory previously defined by TPM2_NV_DefineSpace().\r | |
508 | \r | |
509 | @param[in] AuthHandle the handle indicating the source of the authorization value.\r | |
510 | @param[in] NvIndex The index to be read.\r | |
511 | @param[in] AuthSession Auth Session context\r | |
512 | @param[in] Size Number of bytes to read.\r | |
513 | @param[in] Offset Byte offset into the area.\r | |
514 | @param[in,out] OutData The data read.\r | |
515 | \r | |
516 | @retval EFI_SUCCESS Operation completed successfully.\r | |
517 | @retval EFI_DEVICE_ERROR The command was unsuccessful.\r | |
518 | @retval EFI_NOT_FOUND The command was returned successfully, but NvIndex is not found.\r | |
519 | **/\r | |
520 | EFI_STATUS\r | |
521 | EFIAPI\r | |
522 | Tpm2NvRead (\r | |
523 | IN TPMI_RH_NV_AUTH AuthHandle,\r | |
524 | IN TPMI_RH_NV_INDEX NvIndex,\r | |
525 | IN TPMS_AUTH_COMMAND *AuthSession, OPTIONAL\r | |
526 | IN UINT16 Size,\r | |
527 | IN UINT16 Offset,\r | |
528 | IN OUT TPM2B_MAX_BUFFER *OutData\r | |
529 | )\r | |
530 | {\r | |
531 | EFI_STATUS Status;\r | |
532 | TPM2_NV_READ_COMMAND SendBuffer;\r | |
533 | TPM2_NV_READ_RESPONSE RecvBuffer;\r | |
534 | UINT32 SendBufferSize;\r | |
535 | UINT32 RecvBufferSize;\r | |
536 | UINT8 *Buffer;\r | |
537 | UINT32 SessionInfoSize;\r | |
538 | TPM_RC ResponseCode;\r | |
539 | \r | |
540 | //\r | |
541 | // Construct command\r | |
542 | //\r | |
543 | SendBuffer.Header.tag = SwapBytes16(TPM_ST_SESSIONS);\r | |
544 | SendBuffer.Header.commandCode = SwapBytes32(TPM_CC_NV_Read);\r | |
545 | \r | |
546 | SendBuffer.AuthHandle = SwapBytes32 (AuthHandle);\r | |
547 | SendBuffer.NvIndex = SwapBytes32 (NvIndex);\r | |
548 | \r | |
549 | //\r | |
550 | // Add in Auth session\r | |
551 | //\r | |
552 | Buffer = (UINT8 *)&SendBuffer.AuthSession;\r | |
553 | \r | |
554 | // sessionInfoSize\r | |
555 | SessionInfoSize = CopyAuthSessionCommand (AuthSession, Buffer);\r | |
556 | Buffer += SessionInfoSize;\r | |
557 | SendBuffer.AuthSessionSize = SwapBytes32(SessionInfoSize);\r | |
558 | \r | |
559 | WriteUnaligned16 ((UINT16 *)Buffer, SwapBytes16 (Size));\r | |
560 | Buffer += sizeof(UINT16);\r | |
561 | WriteUnaligned16 ((UINT16 *)Buffer, SwapBytes16 (Offset));\r | |
562 | Buffer += sizeof(UINT16);\r | |
563 | \r | |
564 | SendBufferSize = (UINT32)(Buffer - (UINT8 *)&SendBuffer);\r | |
565 | SendBuffer.Header.paramSize = SwapBytes32 (SendBufferSize);\r | |
566 | \r | |
567 | //\r | |
568 | // send Tpm command\r | |
569 | //\r | |
570 | RecvBufferSize = sizeof (RecvBuffer);\r | |
571 | Status = Tpm2SubmitCommand (SendBufferSize, (UINT8 *)&SendBuffer, &RecvBufferSize, (UINT8 *)&RecvBuffer);\r | |
572 | if (EFI_ERROR (Status)) {\r | |
7ae130da | 573 | goto Done;\r |
c1d93242 JY |
574 | }\r |
575 | \r | |
576 | if (RecvBufferSize < sizeof (TPM2_RESPONSE_HEADER)) {\r | |
577 | DEBUG ((EFI_D_ERROR, "Tpm2NvRead - RecvBufferSize Error - %x\n", RecvBufferSize));\r | |
7ae130da JY |
578 | Status = EFI_DEVICE_ERROR;\r |
579 | goto Done;\r | |
c1d93242 JY |
580 | }\r |
581 | ResponseCode = SwapBytes32(RecvBuffer.Header.responseCode);\r | |
582 | if (ResponseCode != TPM_RC_SUCCESS) {\r | |
583 | DEBUG ((EFI_D_ERROR, "Tpm2NvRead - responseCode - %x\n", ResponseCode));\r | |
584 | }\r | |
585 | switch (ResponseCode) {\r | |
586 | case TPM_RC_SUCCESS:\r | |
587 | // return data\r | |
588 | break;\r | |
589 | case TPM_RC_NV_AUTHORIZATION:\r | |
7ae130da JY |
590 | Status = EFI_SECURITY_VIOLATION;\r |
591 | break;\r | |
c1d93242 | 592 | case TPM_RC_NV_LOCKED:\r |
7ae130da JY |
593 | Status = EFI_ACCESS_DENIED;\r |
594 | break;\r | |
c1d93242 | 595 | case TPM_RC_NV_RANGE:\r |
7ae130da JY |
596 | Status = EFI_BAD_BUFFER_SIZE;\r |
597 | break;\r | |
c1d93242 | 598 | case TPM_RC_NV_UNINITIALIZED:\r |
7ae130da JY |
599 | Status = EFI_NOT_READY;\r |
600 | break;\r | |
c1d93242 | 601 | case TPM_RC_HANDLE + RC_NV_Read_nvIndex: // TPM_RC_NV_DEFINED:\r |
7ae130da JY |
602 | Status = EFI_NOT_FOUND;\r |
603 | break;\r | |
c1d93242 | 604 | case TPM_RC_HANDLE + RC_NV_Read_authHandle: // TPM_RC_NV_DEFINED:\r |
7ae130da JY |
605 | Status = EFI_INVALID_PARAMETER;\r |
606 | break;\r | |
c1d93242 JY |
607 | case TPM_RC_VALUE + RC_NV_Read_nvIndex:\r |
608 | case TPM_RC_VALUE + RC_NV_Read_authHandle:\r | |
7ae130da JY |
609 | Status = EFI_INVALID_PARAMETER;\r |
610 | break;\r | |
c1d93242 | 611 | case TPM_RC_BAD_AUTH + RC_NV_Read_authHandle + TPM_RC_S:\r |
7ae130da JY |
612 | Status = EFI_INVALID_PARAMETER;\r |
613 | break;\r | |
c1d93242 | 614 | case TPM_RC_AUTH_UNAVAILABLE:\r |
7ae130da JY |
615 | Status = EFI_INVALID_PARAMETER;\r |
616 | break;\r | |
c1d93242 | 617 | case TPM_RC_AUTH_FAIL + RC_NV_Read_authHandle + TPM_RC_S:\r |
7ae130da JY |
618 | Status = EFI_INVALID_PARAMETER;\r |
619 | break;\r | |
c1d93242 | 620 | case TPM_RC_ATTRIBUTES + RC_NV_Read_authHandle + TPM_RC_S:\r |
7ae130da JY |
621 | Status = EFI_UNSUPPORTED;\r |
622 | break;\r | |
623 | default:\r | |
624 | Status = EFI_DEVICE_ERROR;\r | |
625 | break;\r | |
626 | }\r | |
627 | if (Status != EFI_SUCCESS) {\r | |
628 | goto Done;\r | |
c1d93242 JY |
629 | }\r |
630 | \r | |
631 | //\r | |
632 | // Return the response\r | |
633 | //\r | |
634 | OutData->size = SwapBytes16 (RecvBuffer.Data.size);\r | |
635 | CopyMem (OutData->buffer, &RecvBuffer.Data.buffer, OutData->size);\r | |
636 | \r | |
7ae130da JY |
637 | Done:\r |
638 | //\r | |
639 | // Clear AuthSession Content\r | |
640 | //\r | |
641 | ZeroMem (&SendBuffer, sizeof(SendBuffer));\r | |
642 | ZeroMem (&RecvBuffer, sizeof(RecvBuffer));\r | |
643 | return Status;\r | |
c1d93242 JY |
644 | }\r |
645 | \r | |
646 | /**\r | |
647 | This command writes a value to an area in NV memory that was previously defined by TPM2_NV_DefineSpace().\r | |
648 | \r | |
649 | @param[in] AuthHandle the handle indicating the source of the authorization value.\r | |
650 | @param[in] NvIndex The NV Index of the area to write.\r | |
651 | @param[in] AuthSession Auth Session context\r | |
652 | @param[in] InData The data to write.\r | |
653 | @param[in] Offset The offset into the NV Area.\r | |
654 | \r | |
655 | @retval EFI_SUCCESS Operation completed successfully.\r | |
656 | @retval EFI_DEVICE_ERROR The command was unsuccessful.\r | |
657 | @retval EFI_NOT_FOUND The command was returned successfully, but NvIndex is not found.\r | |
658 | **/\r | |
659 | EFI_STATUS\r | |
660 | EFIAPI\r | |
661 | Tpm2NvWrite (\r | |
662 | IN TPMI_RH_NV_AUTH AuthHandle,\r | |
663 | IN TPMI_RH_NV_INDEX NvIndex,\r | |
664 | IN TPMS_AUTH_COMMAND *AuthSession, OPTIONAL\r | |
665 | IN TPM2B_MAX_BUFFER *InData,\r | |
666 | IN UINT16 Offset\r | |
667 | )\r | |
668 | {\r | |
669 | EFI_STATUS Status;\r | |
670 | TPM2_NV_WRITE_COMMAND SendBuffer;\r | |
671 | TPM2_NV_WRITE_RESPONSE RecvBuffer;\r | |
672 | UINT32 SendBufferSize;\r | |
673 | UINT32 RecvBufferSize;\r | |
674 | UINT8 *Buffer;\r | |
675 | UINT32 SessionInfoSize;\r | |
676 | TPM_RC ResponseCode;\r | |
677 | \r | |
678 | //\r | |
679 | // Construct command\r | |
680 | //\r | |
681 | SendBuffer.Header.tag = SwapBytes16(TPM_ST_SESSIONS);\r | |
682 | SendBuffer.Header.commandCode = SwapBytes32(TPM_CC_NV_Write);\r | |
683 | \r | |
684 | SendBuffer.AuthHandle = SwapBytes32 (AuthHandle);\r | |
685 | SendBuffer.NvIndex = SwapBytes32 (NvIndex);\r | |
686 | \r | |
687 | //\r | |
688 | // Add in Auth session\r | |
689 | //\r | |
690 | Buffer = (UINT8 *)&SendBuffer.AuthSession;\r | |
691 | \r | |
692 | // sessionInfoSize\r | |
693 | SessionInfoSize = CopyAuthSessionCommand (AuthSession, Buffer);\r | |
694 | Buffer += SessionInfoSize;\r | |
695 | SendBuffer.AuthSessionSize = SwapBytes32(SessionInfoSize);\r | |
696 | \r | |
697 | WriteUnaligned16 ((UINT16 *)Buffer, SwapBytes16 (InData->size));\r | |
698 | Buffer += sizeof(UINT16);\r | |
699 | CopyMem (Buffer, InData->buffer, InData->size);\r | |
700 | Buffer += InData->size;\r | |
701 | WriteUnaligned16 ((UINT16 *)Buffer, SwapBytes16 (Offset));\r | |
702 | Buffer += sizeof(UINT16);\r | |
703 | \r | |
704 | SendBufferSize = (UINT32) (Buffer - (UINT8 *)&SendBuffer);\r | |
705 | SendBuffer.Header.paramSize = SwapBytes32 (SendBufferSize);\r | |
706 | \r | |
707 | //\r | |
708 | // send Tpm command\r | |
709 | //\r | |
710 | RecvBufferSize = sizeof (RecvBuffer);\r | |
711 | Status = Tpm2SubmitCommand (SendBufferSize, (UINT8 *)&SendBuffer, &RecvBufferSize, (UINT8 *)&RecvBuffer);\r | |
712 | if (EFI_ERROR (Status)) {\r | |
7ae130da | 713 | goto Done;\r |
c1d93242 JY |
714 | }\r |
715 | \r | |
716 | if (RecvBufferSize < sizeof (TPM2_RESPONSE_HEADER)) {\r | |
717 | DEBUG ((EFI_D_ERROR, "Tpm2NvWrite - RecvBufferSize Error - %x\n", RecvBufferSize));\r | |
7ae130da JY |
718 | Status = EFI_DEVICE_ERROR;\r |
719 | goto Done;\r | |
c1d93242 JY |
720 | }\r |
721 | ResponseCode = SwapBytes32(RecvBuffer.Header.responseCode);\r | |
722 | if (ResponseCode != TPM_RC_SUCCESS) {\r | |
723 | DEBUG ((EFI_D_ERROR, "Tpm2NvWrite - responseCode - %x\n", ResponseCode));\r | |
724 | }\r | |
725 | switch (ResponseCode) {\r | |
726 | case TPM_RC_SUCCESS:\r | |
7ae130da JY |
727 | // return data\r |
728 | break;\r | |
c1d93242 | 729 | case TPM_RC_ATTRIBUTES:\r |
7ae130da JY |
730 | Status = EFI_UNSUPPORTED;\r |
731 | break;\r | |
c1d93242 | 732 | case TPM_RC_NV_AUTHORIZATION:\r |
7ae130da JY |
733 | Status = EFI_SECURITY_VIOLATION;\r |
734 | break;\r | |
c1d93242 | 735 | case TPM_RC_NV_LOCKED:\r |
7ae130da JY |
736 | Status = EFI_ACCESS_DENIED;\r |
737 | break;\r | |
c1d93242 | 738 | case TPM_RC_NV_RANGE:\r |
7ae130da JY |
739 | Status = EFI_BAD_BUFFER_SIZE;\r |
740 | break;\r | |
c1d93242 | 741 | case TPM_RC_HANDLE + RC_NV_Write_nvIndex: // TPM_RC_NV_DEFINED:\r |
7ae130da JY |
742 | Status = EFI_NOT_FOUND;\r |
743 | break;\r | |
c1d93242 | 744 | case TPM_RC_HANDLE + RC_NV_Write_authHandle: // TPM_RC_NV_DEFINED:\r |
7ae130da JY |
745 | Status = EFI_INVALID_PARAMETER;\r |
746 | break;\r | |
c1d93242 JY |
747 | case TPM_RC_VALUE + RC_NV_Write_nvIndex:\r |
748 | case TPM_RC_VALUE + RC_NV_Write_authHandle:\r | |
7ae130da JY |
749 | Status = EFI_INVALID_PARAMETER;\r |
750 | break;\r | |
c1d93242 | 751 | case TPM_RC_BAD_AUTH + RC_NV_Write_authHandle + TPM_RC_S:\r |
7ae130da JY |
752 | Status = EFI_INVALID_PARAMETER;\r |
753 | break;\r | |
c1d93242 | 754 | case TPM_RC_AUTH_UNAVAILABLE:\r |
7ae130da JY |
755 | Status = EFI_INVALID_PARAMETER;\r |
756 | break;\r | |
c1d93242 | 757 | case TPM_RC_AUTH_FAIL + RC_NV_Write_authHandle + TPM_RC_S:\r |
7ae130da JY |
758 | Status = EFI_INVALID_PARAMETER;\r |
759 | break;\r | |
c1d93242 | 760 | case TPM_RC_ATTRIBUTES + RC_NV_Write_authHandle + TPM_RC_S:\r |
7ae130da JY |
761 | Status = EFI_UNSUPPORTED;\r |
762 | break;\r | |
763 | default:\r | |
764 | Status = EFI_DEVICE_ERROR;\r | |
765 | break;\r | |
c1d93242 | 766 | }\r |
7ae130da JY |
767 | \r |
768 | Done:\r | |
769 | //\r | |
770 | // Clear AuthSession Content\r | |
771 | //\r | |
772 | ZeroMem (&SendBuffer, sizeof(SendBuffer));\r | |
773 | ZeroMem (&RecvBuffer, sizeof(RecvBuffer));\r | |
774 | return Status;\r | |
c1d93242 JY |
775 | }\r |
776 | \r | |
777 | /**\r | |
778 | This command may be used to prevent further reads of the Index until the next TPM2_Startup (TPM_SU_CLEAR).\r | |
779 | \r | |
780 | @param[in] AuthHandle the handle indicating the source of the authorization value.\r | |
781 | @param[in] NvIndex The NV Index of the area to lock.\r | |
782 | @param[in] AuthSession Auth Session context\r | |
783 | \r | |
784 | @retval EFI_SUCCESS Operation completed successfully.\r | |
785 | @retval EFI_DEVICE_ERROR The command was unsuccessful.\r | |
786 | @retval EFI_NOT_FOUND The command was returned successfully, but NvIndex is not found.\r | |
787 | **/\r | |
788 | EFI_STATUS\r | |
789 | EFIAPI\r | |
790 | Tpm2NvReadLock (\r | |
791 | IN TPMI_RH_NV_AUTH AuthHandle,\r | |
792 | IN TPMI_RH_NV_INDEX NvIndex,\r | |
793 | IN TPMS_AUTH_COMMAND *AuthSession OPTIONAL\r | |
794 | )\r | |
795 | {\r | |
796 | EFI_STATUS Status;\r | |
797 | TPM2_NV_READLOCK_COMMAND SendBuffer;\r | |
798 | TPM2_NV_READLOCK_RESPONSE RecvBuffer;\r | |
799 | UINT32 SendBufferSize;\r | |
800 | UINT32 RecvBufferSize;\r | |
801 | UINT8 *Buffer;\r | |
802 | UINT32 SessionInfoSize;\r | |
803 | TPM_RC ResponseCode;\r | |
804 | \r | |
805 | //\r | |
806 | // Construct command\r | |
807 | //\r | |
808 | SendBuffer.Header.tag = SwapBytes16(TPM_ST_SESSIONS);\r | |
809 | SendBuffer.Header.commandCode = SwapBytes32(TPM_CC_NV_ReadLock);\r | |
810 | \r | |
811 | SendBuffer.AuthHandle = SwapBytes32 (AuthHandle);\r | |
812 | SendBuffer.NvIndex = SwapBytes32 (NvIndex);\r | |
813 | \r | |
814 | //\r | |
815 | // Add in Auth session\r | |
816 | //\r | |
817 | Buffer = (UINT8 *)&SendBuffer.AuthSession;\r | |
818 | \r | |
819 | // sessionInfoSize\r | |
820 | SessionInfoSize = CopyAuthSessionCommand (AuthSession, Buffer);\r | |
821 | Buffer += SessionInfoSize;\r | |
822 | SendBuffer.AuthSessionSize = SwapBytes32(SessionInfoSize);\r | |
823 | \r | |
824 | SendBufferSize = (UINT32)(Buffer - (UINT8 *)&SendBuffer);\r | |
825 | SendBuffer.Header.paramSize = SwapBytes32 (SendBufferSize);\r | |
826 | \r | |
827 | //\r | |
828 | // send Tpm command\r | |
829 | //\r | |
830 | RecvBufferSize = sizeof (RecvBuffer);\r | |
831 | Status = Tpm2SubmitCommand (SendBufferSize, (UINT8 *)&SendBuffer, &RecvBufferSize, (UINT8 *)&RecvBuffer);\r | |
832 | if (EFI_ERROR (Status)) {\r | |
7ae130da | 833 | goto Done;\r |
c1d93242 JY |
834 | }\r |
835 | \r | |
836 | if (RecvBufferSize < sizeof (TPM2_RESPONSE_HEADER)) {\r | |
837 | DEBUG ((EFI_D_ERROR, "Tpm2NvReadLock - RecvBufferSize Error - %x\n", RecvBufferSize));\r | |
7ae130da JY |
838 | Status = EFI_DEVICE_ERROR;\r |
839 | goto Done;\r | |
c1d93242 JY |
840 | }\r |
841 | \r | |
842 | ResponseCode = SwapBytes32(RecvBuffer.Header.responseCode);\r | |
843 | if (ResponseCode != TPM_RC_SUCCESS) {\r | |
844 | DEBUG ((EFI_D_ERROR, "Tpm2NvReadLock - responseCode - %x\n", SwapBytes32(RecvBuffer.Header.responseCode)));\r | |
845 | }\r | |
846 | switch (ResponseCode) {\r | |
847 | case TPM_RC_SUCCESS:\r | |
848 | // return data\r | |
849 | break;\r | |
850 | default:\r | |
7ae130da JY |
851 | Status = EFI_DEVICE_ERROR;\r |
852 | break;\r | |
c1d93242 JY |
853 | }\r |
854 | \r | |
7ae130da JY |
855 | Done:\r |
856 | //\r | |
857 | // Clear AuthSession Content\r | |
858 | //\r | |
859 | ZeroMem (&SendBuffer, sizeof(SendBuffer));\r | |
860 | ZeroMem (&RecvBuffer, sizeof(RecvBuffer));\r | |
861 | return Status;\r | |
c1d93242 JY |
862 | }\r |
863 | \r | |
864 | /**\r | |
865 | This command may be used to inhibit further writes of the Index.\r | |
866 | \r | |
867 | @param[in] AuthHandle the handle indicating the source of the authorization value.\r | |
868 | @param[in] NvIndex The NV Index of the area to lock.\r | |
869 | @param[in] AuthSession Auth Session context\r | |
870 | \r | |
871 | @retval EFI_SUCCESS Operation completed successfully.\r | |
872 | @retval EFI_DEVICE_ERROR The command was unsuccessful.\r | |
873 | @retval EFI_NOT_FOUND The command was returned successfully, but NvIndex is not found.\r | |
874 | **/\r | |
875 | EFI_STATUS\r | |
876 | EFIAPI\r | |
877 | Tpm2NvWriteLock (\r | |
878 | IN TPMI_RH_NV_AUTH AuthHandle,\r | |
879 | IN TPMI_RH_NV_INDEX NvIndex,\r | |
880 | IN TPMS_AUTH_COMMAND *AuthSession OPTIONAL\r | |
881 | )\r | |
882 | {\r | |
883 | EFI_STATUS Status;\r | |
884 | TPM2_NV_WRITELOCK_COMMAND SendBuffer;\r | |
885 | TPM2_NV_WRITELOCK_RESPONSE RecvBuffer;\r | |
886 | UINT32 SendBufferSize;\r | |
887 | UINT32 RecvBufferSize;\r | |
888 | UINT8 *Buffer;\r | |
889 | UINT32 SessionInfoSize;\r | |
890 | TPM_RC ResponseCode;\r | |
891 | \r | |
892 | //\r | |
893 | // Construct command\r | |
894 | //\r | |
895 | SendBuffer.Header.tag = SwapBytes16(TPM_ST_SESSIONS);\r | |
896 | SendBuffer.Header.commandCode = SwapBytes32(TPM_CC_NV_WriteLock);\r | |
897 | \r | |
898 | SendBuffer.AuthHandle = SwapBytes32 (AuthHandle);\r | |
899 | SendBuffer.NvIndex = SwapBytes32 (NvIndex);\r | |
900 | \r | |
901 | //\r | |
902 | // Add in Auth session\r | |
903 | //\r | |
904 | Buffer = (UINT8 *)&SendBuffer.AuthSession;\r | |
905 | \r | |
906 | // sessionInfoSize\r | |
907 | SessionInfoSize = CopyAuthSessionCommand (AuthSession, Buffer);\r | |
908 | Buffer += SessionInfoSize;\r | |
909 | SendBuffer.AuthSessionSize = SwapBytes32(SessionInfoSize);\r | |
910 | \r | |
911 | SendBufferSize = (UINT32)(Buffer - (UINT8 *)&SendBuffer);\r | |
912 | SendBuffer.Header.paramSize = SwapBytes32 (SendBufferSize);\r | |
913 | \r | |
914 | //\r | |
915 | // send Tpm command\r | |
916 | //\r | |
917 | RecvBufferSize = sizeof (RecvBuffer);\r | |
918 | Status = Tpm2SubmitCommand (SendBufferSize, (UINT8 *)&SendBuffer, &RecvBufferSize, (UINT8 *)&RecvBuffer);\r | |
919 | if (EFI_ERROR (Status)) {\r | |
7ae130da | 920 | goto Done;\r |
c1d93242 JY |
921 | }\r |
922 | \r | |
923 | if (RecvBufferSize < sizeof (TPM2_RESPONSE_HEADER)) {\r | |
924 | DEBUG ((EFI_D_ERROR, "Tpm2NvWriteLock - RecvBufferSize Error - %x\n", RecvBufferSize));\r | |
7ae130da JY |
925 | Status = EFI_DEVICE_ERROR;\r |
926 | goto Done;\r | |
c1d93242 JY |
927 | }\r |
928 | \r | |
929 | ResponseCode = SwapBytes32(RecvBuffer.Header.responseCode);\r | |
930 | if (ResponseCode != TPM_RC_SUCCESS) {\r | |
931 | DEBUG ((EFI_D_ERROR, "Tpm2NvWriteLock - responseCode - %x\n", SwapBytes32(RecvBuffer.Header.responseCode)));\r | |
932 | }\r | |
933 | switch (ResponseCode) {\r | |
934 | case TPM_RC_SUCCESS:\r | |
935 | // return data\r | |
936 | break;\r | |
937 | default:\r | |
7ae130da JY |
938 | Status = EFI_DEVICE_ERROR;\r |
939 | break;\r | |
c1d93242 JY |
940 | }\r |
941 | \r | |
7ae130da JY |
942 | Done:\r |
943 | //\r | |
944 | // Clear AuthSession Content\r | |
945 | //\r | |
946 | ZeroMem (&SendBuffer, sizeof(SendBuffer));\r | |
947 | ZeroMem (&RecvBuffer, sizeof(RecvBuffer));\r | |
948 | return Status;\r | |
c1d93242 JY |
949 | }\r |
950 | \r | |
951 | /**\r | |
952 | The command will SET TPMA_NV_WRITELOCKED for all indexes that have their TPMA_NV_GLOBALLOCK attribute SET.\r | |
953 | \r | |
954 | @param[in] AuthHandle TPM_RH_OWNER or TPM_RH_PLATFORM+{PP}.\r | |
955 | @param[in] AuthSession Auth Session context\r | |
956 | \r | |
957 | @retval EFI_SUCCESS Operation completed successfully.\r | |
958 | @retval EFI_DEVICE_ERROR The command was unsuccessful.\r | |
959 | @retval EFI_NOT_FOUND The command was returned successfully, but NvIndex is not found.\r | |
960 | **/\r | |
961 | EFI_STATUS\r | |
962 | EFIAPI\r | |
963 | Tpm2NvGlobalWriteLock (\r | |
964 | IN TPMI_RH_PROVISION AuthHandle,\r | |
965 | IN TPMS_AUTH_COMMAND *AuthSession OPTIONAL\r | |
966 | )\r | |
967 | {\r | |
968 | EFI_STATUS Status;\r | |
969 | TPM2_NV_GLOBALWRITELOCK_COMMAND SendBuffer;\r | |
970 | TPM2_NV_GLOBALWRITELOCK_RESPONSE RecvBuffer;\r | |
971 | UINT32 SendBufferSize;\r | |
972 | UINT32 RecvBufferSize;\r | |
973 | UINT8 *Buffer;\r | |
974 | UINT32 SessionInfoSize;\r | |
975 | TPM_RC ResponseCode;\r | |
976 | \r | |
977 | //\r | |
978 | // Construct command\r | |
979 | //\r | |
980 | SendBuffer.Header.tag = SwapBytes16(TPM_ST_SESSIONS);\r | |
981 | SendBuffer.Header.commandCode = SwapBytes32(TPM_CC_NV_GlobalWriteLock);\r | |
982 | \r | |
983 | SendBuffer.AuthHandle = SwapBytes32 (AuthHandle);\r | |
984 | \r | |
985 | //\r | |
986 | // Add in Auth session\r | |
987 | //\r | |
988 | Buffer = (UINT8 *)&SendBuffer.AuthSession;\r | |
989 | \r | |
990 | // sessionInfoSize\r | |
991 | SessionInfoSize = CopyAuthSessionCommand (AuthSession, Buffer);\r | |
992 | Buffer += SessionInfoSize;\r | |
993 | SendBuffer.AuthSessionSize = SwapBytes32(SessionInfoSize);\r | |
994 | \r | |
995 | SendBufferSize = (UINT32)(Buffer - (UINT8 *)&SendBuffer);\r | |
996 | SendBuffer.Header.paramSize = SwapBytes32 (SendBufferSize);\r | |
997 | \r | |
998 | //\r | |
999 | // send Tpm command\r | |
1000 | //\r | |
1001 | RecvBufferSize = sizeof (RecvBuffer);\r | |
1002 | Status = Tpm2SubmitCommand (SendBufferSize, (UINT8 *)&SendBuffer, &RecvBufferSize, (UINT8 *)&RecvBuffer);\r | |
1003 | if (EFI_ERROR (Status)) {\r | |
7ae130da | 1004 | goto Done;\r |
c1d93242 JY |
1005 | }\r |
1006 | \r | |
1007 | if (RecvBufferSize < sizeof (TPM2_RESPONSE_HEADER)) {\r | |
1008 | DEBUG ((EFI_D_ERROR, "Tpm2NvGlobalWriteLock - RecvBufferSize Error - %x\n", RecvBufferSize));\r | |
7ae130da JY |
1009 | Status = EFI_DEVICE_ERROR;\r |
1010 | goto Done;\r | |
c1d93242 JY |
1011 | }\r |
1012 | \r | |
1013 | ResponseCode = SwapBytes32(RecvBuffer.Header.responseCode);\r | |
1014 | if (ResponseCode != TPM_RC_SUCCESS) {\r | |
1015 | DEBUG ((EFI_D_ERROR, "Tpm2NvGlobalWriteLock - responseCode - %x\n", SwapBytes32(RecvBuffer.Header.responseCode)));\r | |
1016 | }\r | |
1017 | switch (ResponseCode) {\r | |
1018 | case TPM_RC_SUCCESS:\r | |
1019 | // return data\r | |
1020 | break;\r | |
1021 | default:\r | |
7ae130da JY |
1022 | Status = EFI_DEVICE_ERROR;\r |
1023 | break;\r | |
c1d93242 JY |
1024 | }\r |
1025 | \r | |
7ae130da JY |
1026 | Done:\r |
1027 | //\r | |
1028 | // Clear AuthSession Content\r | |
1029 | //\r | |
1030 | ZeroMem (&SendBuffer, sizeof(SendBuffer));\r | |
1031 | ZeroMem (&RecvBuffer, sizeof(RecvBuffer));\r | |
1032 | return Status;\r | |
c1d93242 | 1033 | }\r |