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c1d93242 JY |
1 | /** @file\r |
2 | Implement TPM2 NVStorage related command.\r | |
3 | \r | |
dd577319 | 4 | Copyright (c) 2013 - 2018, 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 | |
b3548d32 | 165 | \r |
c1d93242 JY |
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 | |
b3548d32 | 195 | \r |
c1d93242 JY |
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 | |
dd577319 ZC |
237 | if (NvPublicSize > sizeof(TPMS_NV_PUBLIC)) {\r |
238 | DEBUG ((DEBUG_ERROR, "Tpm2NvReadPublic - NvPublic.size error %x\n", NvPublicSize));\r | |
239 | return EFI_DEVICE_ERROR;\r | |
240 | }\r | |
241 | \r | |
c1d93242 | 242 | NvNameSize = SwapBytes16 (ReadUnaligned16 ((UINT16 *)((UINT8 *)&RecvBuffer + sizeof(TPM2_RESPONSE_HEADER) + sizeof(UINT16) + NvPublicSize)));\r |
dd577319 ZC |
243 | if (NvNameSize > sizeof(TPMU_NAME)){\r |
244 | DEBUG ((DEBUG_ERROR, "Tpm2NvReadPublic - NvNameSize error %x\n", NvNameSize));\r | |
245 | return EFI_DEVICE_ERROR;\r | |
246 | }\r | |
c1d93242 JY |
247 | \r |
248 | if (RecvBufferSize != sizeof(TPM2_RESPONSE_HEADER) + sizeof(UINT16) + NvPublicSize + sizeof(UINT16) + NvNameSize) {\r | |
dd577319 | 249 | DEBUG ((EFI_D_ERROR, "Tpm2NvReadPublic - RecvBufferSize Error - NvPublicSize %x\n", RecvBufferSize));\r |
c1d93242 JY |
250 | return EFI_NOT_FOUND;\r |
251 | }\r | |
252 | \r | |
253 | //\r | |
254 | // Return the response\r | |
255 | //\r | |
256 | CopyMem (NvPublic, &RecvBuffer.NvPublic, sizeof(UINT16) + NvPublicSize);\r | |
257 | NvPublic->size = NvPublicSize;\r | |
258 | NvPublic->nvPublic.nvIndex = SwapBytes32 (NvPublic->nvPublic.nvIndex);\r | |
259 | NvPublic->nvPublic.nameAlg = SwapBytes16 (NvPublic->nvPublic.nameAlg);\r | |
260 | WriteUnaligned32 ((UINT32 *)&NvPublic->nvPublic.attributes, SwapBytes32 (ReadUnaligned32 ((UINT32 *)&NvPublic->nvPublic.attributes)));\r | |
261 | NvPublic->nvPublic.authPolicy.size = SwapBytes16 (NvPublic->nvPublic.authPolicy.size);\r | |
b1b1d646 | 262 | Buffer = (UINT8 *)&RecvBuffer.NvPublic.nvPublic.authPolicy;\r |
c1d93242 JY |
263 | Buffer += sizeof(UINT16) + NvPublic->nvPublic.authPolicy.size;\r |
264 | NvPublic->nvPublic.dataSize = SwapBytes16 (ReadUnaligned16 ((UINT16 *)Buffer));\r | |
265 | \r | |
b1b1d646 | 266 | CopyMem (NvName->name, (UINT8 *)&RecvBuffer + sizeof(TPM2_RESPONSE_HEADER) + sizeof(UINT16) + NvPublicSize + sizeof(UINT16), NvNameSize);\r |
c1d93242 | 267 | NvName->size = NvNameSize;\r |
b3548d32 | 268 | \r |
c1d93242 JY |
269 | return EFI_SUCCESS;\r |
270 | }\r | |
271 | \r | |
272 | /**\r | |
273 | This command defines the attributes of an NV Index and causes the TPM to\r | |
274 | reserve space to hold the data associated with the index.\r | |
275 | If a definition already exists at the index, the TPM will return TPM_RC_NV_DEFINED.\r | |
276 | \r | |
277 | @param[in] AuthHandle TPM_RH_OWNER or TPM_RH_PLATFORM+{PP}.\r | |
278 | @param[in] AuthSession Auth Session context\r | |
279 | @param[in] Auth The authorization data.\r | |
280 | @param[in] NvPublic The public area of the index.\r | |
b3548d32 | 281 | \r |
c1d93242 JY |
282 | @retval EFI_SUCCESS Operation completed successfully.\r |
283 | @retval EFI_DEVICE_ERROR The command was unsuccessful.\r | |
284 | @retval EFI_ALREADY_STARTED The command was returned successfully, but NvIndex is already defined.\r | |
285 | **/\r | |
286 | EFI_STATUS\r | |
287 | EFIAPI\r | |
288 | Tpm2NvDefineSpace (\r | |
289 | IN TPMI_RH_PROVISION AuthHandle,\r | |
290 | IN TPMS_AUTH_COMMAND *AuthSession, OPTIONAL\r | |
291 | IN TPM2B_AUTH *Auth,\r | |
292 | IN TPM2B_NV_PUBLIC *NvPublic\r | |
293 | )\r | |
294 | {\r | |
295 | EFI_STATUS Status;\r | |
296 | TPM2_NV_DEFINESPACE_COMMAND SendBuffer;\r | |
297 | TPM2_NV_DEFINESPACE_RESPONSE RecvBuffer;\r | |
298 | UINT32 SendBufferSize;\r | |
299 | UINT32 RecvBufferSize;\r | |
300 | UINT16 NvPublicSize;\r | |
301 | UINT8 *Buffer;\r | |
302 | UINT32 SessionInfoSize;\r | |
303 | TPM_RC ResponseCode;\r | |
304 | \r | |
305 | //\r | |
306 | // Construct command\r | |
307 | //\r | |
308 | SendBuffer.Header.tag = SwapBytes16(TPM_ST_SESSIONS);\r | |
309 | SendBuffer.Header.commandCode = SwapBytes32(TPM_CC_NV_DefineSpace);\r | |
310 | SendBuffer.AuthHandle = SwapBytes32 (AuthHandle);\r | |
311 | \r | |
312 | //\r | |
313 | // Add in Auth session\r | |
314 | //\r | |
315 | Buffer = (UINT8 *)&SendBuffer.AuthSession;\r | |
316 | \r | |
317 | // sessionInfoSize\r | |
318 | SessionInfoSize = CopyAuthSessionCommand (AuthSession, Buffer);\r | |
319 | Buffer += SessionInfoSize;\r | |
320 | SendBuffer.AuthSessionSize = SwapBytes32(SessionInfoSize);\r | |
321 | \r | |
322 | //\r | |
323 | // IndexAuth\r | |
324 | //\r | |
325 | WriteUnaligned16 ((UINT16 *)Buffer, SwapBytes16(Auth->size));\r | |
326 | Buffer += sizeof(UINT16);\r | |
327 | CopyMem(Buffer, Auth->buffer, Auth->size);\r | |
328 | Buffer += Auth->size;\r | |
329 | \r | |
330 | //\r | |
331 | // NvPublic\r | |
332 | //\r | |
333 | NvPublicSize = NvPublic->size;\r | |
334 | \r | |
335 | WriteUnaligned16 ((UINT16 *)Buffer, SwapBytes16 (NvPublicSize));\r | |
336 | Buffer += sizeof(UINT16);\r | |
337 | WriteUnaligned32 ((UINT32 *)Buffer, SwapBytes32 (NvPublic->nvPublic.nvIndex));\r | |
338 | Buffer += sizeof(UINT32);\r | |
339 | WriteUnaligned16 ((UINT16 *)Buffer, SwapBytes16 (NvPublic->nvPublic.nameAlg));\r | |
340 | Buffer += sizeof(UINT16);\r | |
341 | WriteUnaligned32 ((UINT32 *)Buffer, SwapBytes32 (ReadUnaligned32 ((UINT32 *)&NvPublic->nvPublic.attributes)));\r | |
342 | Buffer += sizeof(UINT32);\r | |
343 | WriteUnaligned16 ((UINT16 *)Buffer, SwapBytes16 (NvPublic->nvPublic.authPolicy.size));\r | |
344 | Buffer += sizeof(UINT16);\r | |
345 | CopyMem (Buffer, NvPublic->nvPublic.authPolicy.buffer, NvPublic->nvPublic.authPolicy.size);\r | |
346 | Buffer += NvPublic->nvPublic.authPolicy.size;\r | |
347 | WriteUnaligned16 ((UINT16 *)Buffer, SwapBytes16 (NvPublic->nvPublic.dataSize));\r | |
348 | Buffer += sizeof(UINT16);\r | |
349 | \r | |
350 | SendBufferSize = (UINT32)(Buffer - (UINT8 *)&SendBuffer);\r | |
351 | SendBuffer.Header.paramSize = SwapBytes32 (SendBufferSize);\r | |
352 | \r | |
353 | //\r | |
354 | // send Tpm command\r | |
355 | //\r | |
356 | RecvBufferSize = sizeof (RecvBuffer);\r | |
357 | Status = Tpm2SubmitCommand (SendBufferSize, (UINT8 *)&SendBuffer, &RecvBufferSize, (UINT8 *)&RecvBuffer);\r | |
358 | if (EFI_ERROR (Status)) {\r | |
7ae130da | 359 | goto Done;\r |
c1d93242 JY |
360 | }\r |
361 | \r | |
362 | if (RecvBufferSize < sizeof (TPM2_RESPONSE_HEADER)) {\r | |
363 | DEBUG ((EFI_D_ERROR, "Tpm2NvDefineSpace - RecvBufferSize Error - %x\n", RecvBufferSize));\r | |
7ae130da JY |
364 | Status = EFI_DEVICE_ERROR;\r |
365 | goto Done;\r | |
c1d93242 JY |
366 | }\r |
367 | \r | |
368 | ResponseCode = SwapBytes32(RecvBuffer.Header.responseCode);\r | |
369 | if (ResponseCode != TPM_RC_SUCCESS) {\r | |
370 | DEBUG ((EFI_D_ERROR, "Tpm2NvDefineSpace - responseCode - %x\n", SwapBytes32(RecvBuffer.Header.responseCode)));\r | |
371 | }\r | |
372 | switch (ResponseCode) {\r | |
373 | case TPM_RC_SUCCESS:\r | |
374 | // return data\r | |
375 | break;\r | |
376 | case TPM_RC_SIZE + RC_NV_DefineSpace_publicInfo:\r | |
377 | case TPM_RC_SIZE + RC_NV_DefineSpace_auth:\r | |
7ae130da JY |
378 | Status = EFI_BAD_BUFFER_SIZE;\r |
379 | break;\r | |
c1d93242 JY |
380 | case TPM_RC_ATTRIBUTES:\r |
381 | case TPM_RC_ATTRIBUTES + RC_NV_DefineSpace_publicInfo:\r | |
7ae130da JY |
382 | Status = EFI_UNSUPPORTED;\r |
383 | break;\r | |
c1d93242 | 384 | case TPM_RC_ATTRIBUTES + RC_NV_DefineSpace_authHandle:\r |
7ae130da JY |
385 | Status = EFI_INVALID_PARAMETER;\r |
386 | break;\r | |
c1d93242 | 387 | case TPM_RC_NV_DEFINED:\r |
7ae130da JY |
388 | Status = EFI_ALREADY_STARTED;\r |
389 | break;\r | |
c1d93242 JY |
390 | case TPM_RC_VALUE + RC_NV_DefineSpace_publicInfo:\r |
391 | case TPM_RC_VALUE + RC_NV_DefineSpace_authHandle:\r | |
7ae130da JY |
392 | Status = EFI_INVALID_PARAMETER;\r |
393 | break;\r | |
c1d93242 | 394 | case TPM_RC_NV_SPACE:\r |
7ae130da JY |
395 | Status = EFI_OUT_OF_RESOURCES;\r |
396 | break;\r | |
c1d93242 | 397 | default:\r |
7ae130da JY |
398 | Status = EFI_DEVICE_ERROR;\r |
399 | break;\r | |
c1d93242 | 400 | }\r |
7ae130da JY |
401 | \r |
402 | Done:\r | |
403 | //\r | |
404 | // Clear AuthSession Content\r | |
405 | //\r | |
406 | ZeroMem (&SendBuffer, sizeof(SendBuffer));\r | |
407 | ZeroMem (&RecvBuffer, sizeof(RecvBuffer));\r | |
408 | return Status;\r | |
c1d93242 JY |
409 | }\r |
410 | \r | |
411 | /**\r | |
412 | This command removes an index from the TPM.\r | |
413 | \r | |
414 | @param[in] AuthHandle TPM_RH_OWNER or TPM_RH_PLATFORM+{PP}.\r | |
415 | @param[in] NvIndex The NV Index.\r | |
416 | @param[in] AuthSession Auth Session context\r | |
b3548d32 | 417 | \r |
c1d93242 JY |
418 | @retval EFI_SUCCESS Operation completed successfully.\r |
419 | @retval EFI_DEVICE_ERROR The command was unsuccessful.\r | |
420 | @retval EFI_NOT_FOUND The command was returned successfully, but NvIndex is not found.\r | |
421 | **/\r | |
422 | EFI_STATUS\r | |
423 | EFIAPI\r | |
424 | Tpm2NvUndefineSpace (\r | |
425 | IN TPMI_RH_PROVISION AuthHandle,\r | |
426 | IN TPMI_RH_NV_INDEX NvIndex,\r | |
427 | IN TPMS_AUTH_COMMAND *AuthSession OPTIONAL\r | |
428 | )\r | |
429 | {\r | |
430 | EFI_STATUS Status;\r | |
431 | TPM2_NV_UNDEFINESPACE_COMMAND SendBuffer;\r | |
432 | TPM2_NV_UNDEFINESPACE_RESPONSE RecvBuffer;\r | |
433 | UINT32 SendBufferSize;\r | |
434 | UINT32 RecvBufferSize;\r | |
435 | UINT8 *Buffer;\r | |
436 | UINT32 SessionInfoSize;\r | |
437 | TPM_RC ResponseCode;\r | |
438 | \r | |
439 | //\r | |
440 | // Construct command\r | |
441 | //\r | |
442 | SendBuffer.Header.tag = SwapBytes16(TPM_ST_SESSIONS);\r | |
443 | SendBuffer.Header.commandCode = SwapBytes32(TPM_CC_NV_UndefineSpace);\r | |
444 | \r | |
445 | SendBuffer.AuthHandle = SwapBytes32 (AuthHandle);\r | |
446 | SendBuffer.NvIndex = SwapBytes32 (NvIndex);\r | |
447 | \r | |
448 | //\r | |
449 | // Add in Auth session\r | |
450 | //\r | |
451 | Buffer = (UINT8 *)&SendBuffer.AuthSession;\r | |
452 | \r | |
453 | // sessionInfoSize\r | |
454 | SessionInfoSize = CopyAuthSessionCommand (AuthSession, Buffer);\r | |
455 | Buffer += SessionInfoSize;\r | |
456 | SendBuffer.AuthSessionSize = SwapBytes32(SessionInfoSize);\r | |
457 | \r | |
458 | SendBufferSize = (UINT32)(Buffer - (UINT8 *)&SendBuffer);\r | |
459 | SendBuffer.Header.paramSize = SwapBytes32 (SendBufferSize);\r | |
460 | \r | |
461 | //\r | |
462 | // send Tpm command\r | |
463 | //\r | |
464 | RecvBufferSize = sizeof (RecvBuffer);\r | |
465 | Status = Tpm2SubmitCommand (SendBufferSize, (UINT8 *)&SendBuffer, &RecvBufferSize, (UINT8 *)&RecvBuffer);\r | |
466 | if (EFI_ERROR (Status)) {\r | |
7ae130da | 467 | goto Done;\r |
c1d93242 JY |
468 | }\r |
469 | \r | |
470 | if (RecvBufferSize < sizeof (TPM2_RESPONSE_HEADER)) {\r | |
471 | DEBUG ((EFI_D_ERROR, "Tpm2NvUndefineSpace - RecvBufferSize Error - %x\n", RecvBufferSize));\r | |
7ae130da JY |
472 | Status = EFI_DEVICE_ERROR;\r |
473 | goto Done;\r | |
c1d93242 JY |
474 | }\r |
475 | \r | |
476 | ResponseCode = SwapBytes32(RecvBuffer.Header.responseCode);\r | |
477 | if (ResponseCode != TPM_RC_SUCCESS) {\r | |
478 | DEBUG ((EFI_D_ERROR, "Tpm2NvUndefineSpace - responseCode - %x\n", SwapBytes32(RecvBuffer.Header.responseCode)));\r | |
479 | }\r | |
480 | switch (ResponseCode) {\r | |
481 | case TPM_RC_SUCCESS:\r | |
482 | // return data\r | |
483 | break;\r | |
484 | case TPM_RC_ATTRIBUTES:\r | |
485 | case TPM_RC_ATTRIBUTES + RC_NV_UndefineSpace_nvIndex:\r | |
7ae130da JY |
486 | Status = EFI_UNSUPPORTED;\r |
487 | break;\r | |
c1d93242 | 488 | case TPM_RC_NV_AUTHORIZATION:\r |
7ae130da JY |
489 | Status = EFI_SECURITY_VIOLATION;\r |
490 | break;\r | |
c1d93242 | 491 | case TPM_RC_HANDLE + RC_NV_UndefineSpace_nvIndex: // TPM_RC_NV_DEFINED:\r |
7ae130da JY |
492 | Status = EFI_NOT_FOUND;\r |
493 | break;\r | |
c1d93242 | 494 | case TPM_RC_HANDLE + RC_NV_UndefineSpace_authHandle: // TPM_RC_NV_DEFINED:\r |
7ae130da JY |
495 | Status = EFI_INVALID_PARAMETER;\r |
496 | break;\r | |
c1d93242 JY |
497 | case TPM_RC_VALUE + RC_NV_UndefineSpace_authHandle:\r |
498 | case TPM_RC_VALUE + RC_NV_UndefineSpace_nvIndex:\r | |
7ae130da JY |
499 | Status = EFI_INVALID_PARAMETER;\r |
500 | break;\r | |
c1d93242 | 501 | default:\r |
7ae130da JY |
502 | Status = EFI_DEVICE_ERROR;\r |
503 | break;\r | |
c1d93242 JY |
504 | }\r |
505 | \r | |
7ae130da JY |
506 | Done:\r |
507 | //\r | |
508 | // Clear AuthSession Content\r | |
509 | //\r | |
510 | ZeroMem (&SendBuffer, sizeof(SendBuffer));\r | |
511 | ZeroMem (&RecvBuffer, sizeof(RecvBuffer));\r | |
512 | return Status;\r | |
c1d93242 JY |
513 | }\r |
514 | \r | |
515 | /**\r | |
516 | This command reads a value from an area in NV memory previously defined by TPM2_NV_DefineSpace().\r | |
517 | \r | |
518 | @param[in] AuthHandle the handle indicating the source of the authorization value.\r | |
519 | @param[in] NvIndex The index to be read.\r | |
520 | @param[in] AuthSession Auth Session context\r | |
521 | @param[in] Size Number of bytes to read.\r | |
522 | @param[in] Offset Byte offset into the area.\r | |
523 | @param[in,out] OutData The data read.\r | |
b3548d32 | 524 | \r |
c1d93242 JY |
525 | @retval EFI_SUCCESS Operation completed successfully.\r |
526 | @retval EFI_DEVICE_ERROR The command was unsuccessful.\r | |
527 | @retval EFI_NOT_FOUND The command was returned successfully, but NvIndex is not found.\r | |
528 | **/\r | |
529 | EFI_STATUS\r | |
530 | EFIAPI\r | |
531 | Tpm2NvRead (\r | |
532 | IN TPMI_RH_NV_AUTH AuthHandle,\r | |
533 | IN TPMI_RH_NV_INDEX NvIndex,\r | |
534 | IN TPMS_AUTH_COMMAND *AuthSession, OPTIONAL\r | |
535 | IN UINT16 Size,\r | |
536 | IN UINT16 Offset,\r | |
537 | IN OUT TPM2B_MAX_BUFFER *OutData\r | |
538 | )\r | |
539 | {\r | |
540 | EFI_STATUS Status;\r | |
541 | TPM2_NV_READ_COMMAND SendBuffer;\r | |
542 | TPM2_NV_READ_RESPONSE RecvBuffer;\r | |
543 | UINT32 SendBufferSize;\r | |
544 | UINT32 RecvBufferSize;\r | |
545 | UINT8 *Buffer;\r | |
546 | UINT32 SessionInfoSize;\r | |
547 | TPM_RC ResponseCode;\r | |
548 | \r | |
549 | //\r | |
550 | // Construct command\r | |
551 | //\r | |
552 | SendBuffer.Header.tag = SwapBytes16(TPM_ST_SESSIONS);\r | |
553 | SendBuffer.Header.commandCode = SwapBytes32(TPM_CC_NV_Read);\r | |
554 | \r | |
555 | SendBuffer.AuthHandle = SwapBytes32 (AuthHandle);\r | |
556 | SendBuffer.NvIndex = SwapBytes32 (NvIndex);\r | |
557 | \r | |
558 | //\r | |
559 | // Add in Auth session\r | |
560 | //\r | |
561 | Buffer = (UINT8 *)&SendBuffer.AuthSession;\r | |
562 | \r | |
563 | // sessionInfoSize\r | |
564 | SessionInfoSize = CopyAuthSessionCommand (AuthSession, Buffer);\r | |
565 | Buffer += SessionInfoSize;\r | |
566 | SendBuffer.AuthSessionSize = SwapBytes32(SessionInfoSize);\r | |
567 | \r | |
568 | WriteUnaligned16 ((UINT16 *)Buffer, SwapBytes16 (Size));\r | |
569 | Buffer += sizeof(UINT16);\r | |
570 | WriteUnaligned16 ((UINT16 *)Buffer, SwapBytes16 (Offset));\r | |
571 | Buffer += sizeof(UINT16);\r | |
572 | \r | |
573 | SendBufferSize = (UINT32)(Buffer - (UINT8 *)&SendBuffer);\r | |
574 | SendBuffer.Header.paramSize = SwapBytes32 (SendBufferSize);\r | |
575 | \r | |
576 | //\r | |
577 | // send Tpm command\r | |
578 | //\r | |
579 | RecvBufferSize = sizeof (RecvBuffer);\r | |
580 | Status = Tpm2SubmitCommand (SendBufferSize, (UINT8 *)&SendBuffer, &RecvBufferSize, (UINT8 *)&RecvBuffer);\r | |
581 | if (EFI_ERROR (Status)) {\r | |
7ae130da | 582 | goto Done;\r |
c1d93242 JY |
583 | }\r |
584 | \r | |
585 | if (RecvBufferSize < sizeof (TPM2_RESPONSE_HEADER)) {\r | |
586 | DEBUG ((EFI_D_ERROR, "Tpm2NvRead - RecvBufferSize Error - %x\n", RecvBufferSize));\r | |
7ae130da JY |
587 | Status = EFI_DEVICE_ERROR;\r |
588 | goto Done;\r | |
c1d93242 JY |
589 | }\r |
590 | ResponseCode = SwapBytes32(RecvBuffer.Header.responseCode);\r | |
591 | if (ResponseCode != TPM_RC_SUCCESS) {\r | |
592 | DEBUG ((EFI_D_ERROR, "Tpm2NvRead - responseCode - %x\n", ResponseCode));\r | |
593 | }\r | |
594 | switch (ResponseCode) {\r | |
595 | case TPM_RC_SUCCESS:\r | |
596 | // return data\r | |
597 | break;\r | |
598 | case TPM_RC_NV_AUTHORIZATION:\r | |
7ae130da JY |
599 | Status = EFI_SECURITY_VIOLATION;\r |
600 | break;\r | |
c1d93242 | 601 | case TPM_RC_NV_LOCKED:\r |
7ae130da JY |
602 | Status = EFI_ACCESS_DENIED;\r |
603 | break;\r | |
c1d93242 | 604 | case TPM_RC_NV_RANGE:\r |
7ae130da JY |
605 | Status = EFI_BAD_BUFFER_SIZE;\r |
606 | break;\r | |
c1d93242 | 607 | case TPM_RC_NV_UNINITIALIZED:\r |
7ae130da JY |
608 | Status = EFI_NOT_READY;\r |
609 | break;\r | |
c1d93242 | 610 | case TPM_RC_HANDLE + RC_NV_Read_nvIndex: // TPM_RC_NV_DEFINED:\r |
7ae130da JY |
611 | Status = EFI_NOT_FOUND;\r |
612 | break;\r | |
c1d93242 | 613 | case TPM_RC_HANDLE + RC_NV_Read_authHandle: // TPM_RC_NV_DEFINED:\r |
7ae130da JY |
614 | Status = EFI_INVALID_PARAMETER;\r |
615 | break;\r | |
c1d93242 JY |
616 | case TPM_RC_VALUE + RC_NV_Read_nvIndex:\r |
617 | case TPM_RC_VALUE + RC_NV_Read_authHandle:\r | |
7ae130da JY |
618 | Status = EFI_INVALID_PARAMETER;\r |
619 | break;\r | |
c1d93242 | 620 | case TPM_RC_BAD_AUTH + RC_NV_Read_authHandle + TPM_RC_S:\r |
7ae130da JY |
621 | Status = EFI_INVALID_PARAMETER;\r |
622 | break;\r | |
c1d93242 | 623 | case TPM_RC_AUTH_UNAVAILABLE:\r |
7ae130da JY |
624 | Status = EFI_INVALID_PARAMETER;\r |
625 | break;\r | |
c1d93242 | 626 | case TPM_RC_AUTH_FAIL + RC_NV_Read_authHandle + TPM_RC_S:\r |
7ae130da JY |
627 | Status = EFI_INVALID_PARAMETER;\r |
628 | break;\r | |
c1d93242 | 629 | case TPM_RC_ATTRIBUTES + RC_NV_Read_authHandle + TPM_RC_S:\r |
7ae130da JY |
630 | Status = EFI_UNSUPPORTED;\r |
631 | break;\r | |
632 | default:\r | |
633 | Status = EFI_DEVICE_ERROR;\r | |
634 | break;\r | |
635 | }\r | |
636 | if (Status != EFI_SUCCESS) {\r | |
637 | goto Done;\r | |
c1d93242 JY |
638 | }\r |
639 | \r | |
640 | //\r | |
641 | // Return the response\r | |
642 | //\r | |
643 | OutData->size = SwapBytes16 (RecvBuffer.Data.size);\r | |
dd577319 ZC |
644 | if (OutData->size > MAX_DIGEST_BUFFER) {\r |
645 | DEBUG ((DEBUG_ERROR, "Tpm2NvRead - OutData->size error %x\n", OutData->size));\r | |
646 | Status = EFI_DEVICE_ERROR;\r | |
647 | goto Done;\r | |
648 | }\r | |
649 | \r | |
c1d93242 | 650 | CopyMem (OutData->buffer, &RecvBuffer.Data.buffer, OutData->size);\r |
b3548d32 | 651 | \r |
7ae130da JY |
652 | Done:\r |
653 | //\r | |
654 | // Clear AuthSession Content\r | |
655 | //\r | |
656 | ZeroMem (&SendBuffer, sizeof(SendBuffer));\r | |
657 | ZeroMem (&RecvBuffer, sizeof(RecvBuffer));\r | |
658 | return Status;\r | |
c1d93242 JY |
659 | }\r |
660 | \r | |
661 | /**\r | |
662 | This command writes a value to an area in NV memory that was previously defined by TPM2_NV_DefineSpace().\r | |
663 | \r | |
664 | @param[in] AuthHandle the handle indicating the source of the authorization value.\r | |
665 | @param[in] NvIndex The NV Index of the area to write.\r | |
666 | @param[in] AuthSession Auth Session context\r | |
667 | @param[in] InData The data to write.\r | |
668 | @param[in] Offset The offset into the NV Area.\r | |
b3548d32 | 669 | \r |
c1d93242 JY |
670 | @retval EFI_SUCCESS Operation completed successfully.\r |
671 | @retval EFI_DEVICE_ERROR The command was unsuccessful.\r | |
672 | @retval EFI_NOT_FOUND The command was returned successfully, but NvIndex is not found.\r | |
673 | **/\r | |
674 | EFI_STATUS\r | |
675 | EFIAPI\r | |
676 | Tpm2NvWrite (\r | |
677 | IN TPMI_RH_NV_AUTH AuthHandle,\r | |
678 | IN TPMI_RH_NV_INDEX NvIndex,\r | |
679 | IN TPMS_AUTH_COMMAND *AuthSession, OPTIONAL\r | |
680 | IN TPM2B_MAX_BUFFER *InData,\r | |
681 | IN UINT16 Offset\r | |
682 | )\r | |
683 | {\r | |
684 | EFI_STATUS Status;\r | |
685 | TPM2_NV_WRITE_COMMAND SendBuffer;\r | |
686 | TPM2_NV_WRITE_RESPONSE RecvBuffer;\r | |
687 | UINT32 SendBufferSize;\r | |
688 | UINT32 RecvBufferSize;\r | |
689 | UINT8 *Buffer;\r | |
690 | UINT32 SessionInfoSize;\r | |
691 | TPM_RC ResponseCode;\r | |
692 | \r | |
693 | //\r | |
694 | // Construct command\r | |
695 | //\r | |
696 | SendBuffer.Header.tag = SwapBytes16(TPM_ST_SESSIONS);\r | |
697 | SendBuffer.Header.commandCode = SwapBytes32(TPM_CC_NV_Write);\r | |
698 | \r | |
699 | SendBuffer.AuthHandle = SwapBytes32 (AuthHandle);\r | |
700 | SendBuffer.NvIndex = SwapBytes32 (NvIndex);\r | |
701 | \r | |
702 | //\r | |
703 | // Add in Auth session\r | |
704 | //\r | |
705 | Buffer = (UINT8 *)&SendBuffer.AuthSession;\r | |
706 | \r | |
707 | // sessionInfoSize\r | |
708 | SessionInfoSize = CopyAuthSessionCommand (AuthSession, Buffer);\r | |
709 | Buffer += SessionInfoSize;\r | |
710 | SendBuffer.AuthSessionSize = SwapBytes32(SessionInfoSize);\r | |
711 | \r | |
712 | WriteUnaligned16 ((UINT16 *)Buffer, SwapBytes16 (InData->size));\r | |
713 | Buffer += sizeof(UINT16);\r | |
714 | CopyMem (Buffer, InData->buffer, InData->size);\r | |
715 | Buffer += InData->size;\r | |
716 | WriteUnaligned16 ((UINT16 *)Buffer, SwapBytes16 (Offset));\r | |
717 | Buffer += sizeof(UINT16);\r | |
718 | \r | |
719 | SendBufferSize = (UINT32) (Buffer - (UINT8 *)&SendBuffer);\r | |
720 | SendBuffer.Header.paramSize = SwapBytes32 (SendBufferSize);\r | |
721 | \r | |
722 | //\r | |
723 | // send Tpm command\r | |
724 | //\r | |
725 | RecvBufferSize = sizeof (RecvBuffer);\r | |
726 | Status = Tpm2SubmitCommand (SendBufferSize, (UINT8 *)&SendBuffer, &RecvBufferSize, (UINT8 *)&RecvBuffer);\r | |
727 | if (EFI_ERROR (Status)) {\r | |
7ae130da | 728 | goto Done;\r |
c1d93242 JY |
729 | }\r |
730 | \r | |
731 | if (RecvBufferSize < sizeof (TPM2_RESPONSE_HEADER)) {\r | |
732 | DEBUG ((EFI_D_ERROR, "Tpm2NvWrite - RecvBufferSize Error - %x\n", RecvBufferSize));\r | |
7ae130da JY |
733 | Status = EFI_DEVICE_ERROR;\r |
734 | goto Done;\r | |
c1d93242 JY |
735 | }\r |
736 | ResponseCode = SwapBytes32(RecvBuffer.Header.responseCode);\r | |
737 | if (ResponseCode != TPM_RC_SUCCESS) {\r | |
738 | DEBUG ((EFI_D_ERROR, "Tpm2NvWrite - responseCode - %x\n", ResponseCode));\r | |
739 | }\r | |
740 | switch (ResponseCode) {\r | |
741 | case TPM_RC_SUCCESS:\r | |
7ae130da JY |
742 | // return data\r |
743 | break;\r | |
c1d93242 | 744 | case TPM_RC_ATTRIBUTES:\r |
7ae130da JY |
745 | Status = EFI_UNSUPPORTED;\r |
746 | break;\r | |
c1d93242 | 747 | case TPM_RC_NV_AUTHORIZATION:\r |
7ae130da JY |
748 | Status = EFI_SECURITY_VIOLATION;\r |
749 | break;\r | |
c1d93242 | 750 | case TPM_RC_NV_LOCKED:\r |
7ae130da JY |
751 | Status = EFI_ACCESS_DENIED;\r |
752 | break;\r | |
c1d93242 | 753 | case TPM_RC_NV_RANGE:\r |
7ae130da JY |
754 | Status = EFI_BAD_BUFFER_SIZE;\r |
755 | break;\r | |
c1d93242 | 756 | case TPM_RC_HANDLE + RC_NV_Write_nvIndex: // TPM_RC_NV_DEFINED:\r |
7ae130da JY |
757 | Status = EFI_NOT_FOUND;\r |
758 | break;\r | |
c1d93242 | 759 | case TPM_RC_HANDLE + RC_NV_Write_authHandle: // TPM_RC_NV_DEFINED:\r |
7ae130da JY |
760 | Status = EFI_INVALID_PARAMETER;\r |
761 | break;\r | |
c1d93242 JY |
762 | case TPM_RC_VALUE + RC_NV_Write_nvIndex:\r |
763 | case TPM_RC_VALUE + RC_NV_Write_authHandle:\r | |
7ae130da JY |
764 | Status = EFI_INVALID_PARAMETER;\r |
765 | break;\r | |
c1d93242 | 766 | case TPM_RC_BAD_AUTH + RC_NV_Write_authHandle + TPM_RC_S:\r |
7ae130da JY |
767 | Status = EFI_INVALID_PARAMETER;\r |
768 | break;\r | |
c1d93242 | 769 | case TPM_RC_AUTH_UNAVAILABLE:\r |
7ae130da JY |
770 | Status = EFI_INVALID_PARAMETER;\r |
771 | break;\r | |
c1d93242 | 772 | case TPM_RC_AUTH_FAIL + RC_NV_Write_authHandle + TPM_RC_S:\r |
7ae130da JY |
773 | Status = EFI_INVALID_PARAMETER;\r |
774 | break;\r | |
c1d93242 | 775 | case TPM_RC_ATTRIBUTES + RC_NV_Write_authHandle + TPM_RC_S:\r |
7ae130da JY |
776 | Status = EFI_UNSUPPORTED;\r |
777 | break;\r | |
778 | default:\r | |
779 | Status = EFI_DEVICE_ERROR;\r | |
780 | break;\r | |
c1d93242 | 781 | }\r |
7ae130da JY |
782 | \r |
783 | Done:\r | |
784 | //\r | |
785 | // Clear AuthSession Content\r | |
786 | //\r | |
787 | ZeroMem (&SendBuffer, sizeof(SendBuffer));\r | |
788 | ZeroMem (&RecvBuffer, sizeof(RecvBuffer));\r | |
789 | return Status;\r | |
c1d93242 JY |
790 | }\r |
791 | \r | |
792 | /**\r | |
793 | This command may be used to prevent further reads of the Index until the next TPM2_Startup (TPM_SU_CLEAR).\r | |
794 | \r | |
795 | @param[in] AuthHandle the handle indicating the source of the authorization value.\r | |
796 | @param[in] NvIndex The NV Index of the area to lock.\r | |
797 | @param[in] AuthSession Auth Session context\r | |
798 | \r | |
799 | @retval EFI_SUCCESS Operation completed successfully.\r | |
800 | @retval EFI_DEVICE_ERROR The command was unsuccessful.\r | |
801 | @retval EFI_NOT_FOUND The command was returned successfully, but NvIndex is not found.\r | |
802 | **/\r | |
803 | EFI_STATUS\r | |
804 | EFIAPI\r | |
805 | Tpm2NvReadLock (\r | |
806 | IN TPMI_RH_NV_AUTH AuthHandle,\r | |
807 | IN TPMI_RH_NV_INDEX NvIndex,\r | |
808 | IN TPMS_AUTH_COMMAND *AuthSession OPTIONAL\r | |
809 | )\r | |
810 | {\r | |
811 | EFI_STATUS Status;\r | |
812 | TPM2_NV_READLOCK_COMMAND SendBuffer;\r | |
813 | TPM2_NV_READLOCK_RESPONSE RecvBuffer;\r | |
814 | UINT32 SendBufferSize;\r | |
815 | UINT32 RecvBufferSize;\r | |
816 | UINT8 *Buffer;\r | |
817 | UINT32 SessionInfoSize;\r | |
818 | TPM_RC ResponseCode;\r | |
819 | \r | |
820 | //\r | |
821 | // Construct command\r | |
822 | //\r | |
823 | SendBuffer.Header.tag = SwapBytes16(TPM_ST_SESSIONS);\r | |
824 | SendBuffer.Header.commandCode = SwapBytes32(TPM_CC_NV_ReadLock);\r | |
825 | \r | |
826 | SendBuffer.AuthHandle = SwapBytes32 (AuthHandle);\r | |
827 | SendBuffer.NvIndex = SwapBytes32 (NvIndex);\r | |
828 | \r | |
829 | //\r | |
830 | // Add in Auth session\r | |
831 | //\r | |
832 | Buffer = (UINT8 *)&SendBuffer.AuthSession;\r | |
833 | \r | |
834 | // sessionInfoSize\r | |
835 | SessionInfoSize = CopyAuthSessionCommand (AuthSession, Buffer);\r | |
836 | Buffer += SessionInfoSize;\r | |
837 | SendBuffer.AuthSessionSize = SwapBytes32(SessionInfoSize);\r | |
838 | \r | |
839 | SendBufferSize = (UINT32)(Buffer - (UINT8 *)&SendBuffer);\r | |
840 | SendBuffer.Header.paramSize = SwapBytes32 (SendBufferSize);\r | |
841 | \r | |
842 | //\r | |
843 | // send Tpm command\r | |
844 | //\r | |
845 | RecvBufferSize = sizeof (RecvBuffer);\r | |
846 | Status = Tpm2SubmitCommand (SendBufferSize, (UINT8 *)&SendBuffer, &RecvBufferSize, (UINT8 *)&RecvBuffer);\r | |
847 | if (EFI_ERROR (Status)) {\r | |
7ae130da | 848 | goto Done;\r |
c1d93242 JY |
849 | }\r |
850 | \r | |
851 | if (RecvBufferSize < sizeof (TPM2_RESPONSE_HEADER)) {\r | |
852 | DEBUG ((EFI_D_ERROR, "Tpm2NvReadLock - RecvBufferSize Error - %x\n", RecvBufferSize));\r | |
7ae130da JY |
853 | Status = EFI_DEVICE_ERROR;\r |
854 | goto Done;\r | |
c1d93242 JY |
855 | }\r |
856 | \r | |
857 | ResponseCode = SwapBytes32(RecvBuffer.Header.responseCode);\r | |
858 | if (ResponseCode != TPM_RC_SUCCESS) {\r | |
859 | DEBUG ((EFI_D_ERROR, "Tpm2NvReadLock - responseCode - %x\n", SwapBytes32(RecvBuffer.Header.responseCode)));\r | |
860 | }\r | |
861 | switch (ResponseCode) {\r | |
862 | case TPM_RC_SUCCESS:\r | |
863 | // return data\r | |
864 | break;\r | |
865 | default:\r | |
7ae130da JY |
866 | Status = EFI_DEVICE_ERROR;\r |
867 | break;\r | |
c1d93242 JY |
868 | }\r |
869 | \r | |
7ae130da JY |
870 | Done:\r |
871 | //\r | |
872 | // Clear AuthSession Content\r | |
873 | //\r | |
874 | ZeroMem (&SendBuffer, sizeof(SendBuffer));\r | |
875 | ZeroMem (&RecvBuffer, sizeof(RecvBuffer));\r | |
876 | return Status;\r | |
c1d93242 JY |
877 | }\r |
878 | \r | |
879 | /**\r | |
880 | This command may be used to inhibit further writes of the Index.\r | |
881 | \r | |
882 | @param[in] AuthHandle the handle indicating the source of the authorization value.\r | |
883 | @param[in] NvIndex The NV Index of the area to lock.\r | |
884 | @param[in] AuthSession Auth Session context\r | |
885 | \r | |
886 | @retval EFI_SUCCESS Operation completed successfully.\r | |
887 | @retval EFI_DEVICE_ERROR The command was unsuccessful.\r | |
888 | @retval EFI_NOT_FOUND The command was returned successfully, but NvIndex is not found.\r | |
889 | **/\r | |
890 | EFI_STATUS\r | |
891 | EFIAPI\r | |
892 | Tpm2NvWriteLock (\r | |
893 | IN TPMI_RH_NV_AUTH AuthHandle,\r | |
894 | IN TPMI_RH_NV_INDEX NvIndex,\r | |
895 | IN TPMS_AUTH_COMMAND *AuthSession OPTIONAL\r | |
896 | )\r | |
897 | {\r | |
898 | EFI_STATUS Status;\r | |
899 | TPM2_NV_WRITELOCK_COMMAND SendBuffer;\r | |
900 | TPM2_NV_WRITELOCK_RESPONSE RecvBuffer;\r | |
901 | UINT32 SendBufferSize;\r | |
902 | UINT32 RecvBufferSize;\r | |
903 | UINT8 *Buffer;\r | |
904 | UINT32 SessionInfoSize;\r | |
905 | TPM_RC ResponseCode;\r | |
906 | \r | |
907 | //\r | |
908 | // Construct command\r | |
909 | //\r | |
910 | SendBuffer.Header.tag = SwapBytes16(TPM_ST_SESSIONS);\r | |
911 | SendBuffer.Header.commandCode = SwapBytes32(TPM_CC_NV_WriteLock);\r | |
912 | \r | |
913 | SendBuffer.AuthHandle = SwapBytes32 (AuthHandle);\r | |
914 | SendBuffer.NvIndex = SwapBytes32 (NvIndex);\r | |
915 | \r | |
916 | //\r | |
917 | // Add in Auth session\r | |
918 | //\r | |
919 | Buffer = (UINT8 *)&SendBuffer.AuthSession;\r | |
920 | \r | |
921 | // sessionInfoSize\r | |
922 | SessionInfoSize = CopyAuthSessionCommand (AuthSession, Buffer);\r | |
923 | Buffer += SessionInfoSize;\r | |
924 | SendBuffer.AuthSessionSize = SwapBytes32(SessionInfoSize);\r | |
925 | \r | |
926 | SendBufferSize = (UINT32)(Buffer - (UINT8 *)&SendBuffer);\r | |
927 | SendBuffer.Header.paramSize = SwapBytes32 (SendBufferSize);\r | |
928 | \r | |
929 | //\r | |
930 | // send Tpm command\r | |
931 | //\r | |
932 | RecvBufferSize = sizeof (RecvBuffer);\r | |
933 | Status = Tpm2SubmitCommand (SendBufferSize, (UINT8 *)&SendBuffer, &RecvBufferSize, (UINT8 *)&RecvBuffer);\r | |
934 | if (EFI_ERROR (Status)) {\r | |
7ae130da | 935 | goto Done;\r |
c1d93242 JY |
936 | }\r |
937 | \r | |
938 | if (RecvBufferSize < sizeof (TPM2_RESPONSE_HEADER)) {\r | |
939 | DEBUG ((EFI_D_ERROR, "Tpm2NvWriteLock - RecvBufferSize Error - %x\n", RecvBufferSize));\r | |
7ae130da JY |
940 | Status = EFI_DEVICE_ERROR;\r |
941 | goto Done;\r | |
c1d93242 JY |
942 | }\r |
943 | \r | |
944 | ResponseCode = SwapBytes32(RecvBuffer.Header.responseCode);\r | |
945 | if (ResponseCode != TPM_RC_SUCCESS) {\r | |
946 | DEBUG ((EFI_D_ERROR, "Tpm2NvWriteLock - responseCode - %x\n", SwapBytes32(RecvBuffer.Header.responseCode)));\r | |
947 | }\r | |
948 | switch (ResponseCode) {\r | |
949 | case TPM_RC_SUCCESS:\r | |
950 | // return data\r | |
951 | break;\r | |
952 | default:\r | |
7ae130da JY |
953 | Status = EFI_DEVICE_ERROR;\r |
954 | break;\r | |
c1d93242 JY |
955 | }\r |
956 | \r | |
7ae130da JY |
957 | Done:\r |
958 | //\r | |
959 | // Clear AuthSession Content\r | |
960 | //\r | |
961 | ZeroMem (&SendBuffer, sizeof(SendBuffer));\r | |
962 | ZeroMem (&RecvBuffer, sizeof(RecvBuffer));\r | |
963 | return Status;\r | |
c1d93242 JY |
964 | }\r |
965 | \r | |
966 | /**\r | |
967 | The command will SET TPMA_NV_WRITELOCKED for all indexes that have their TPMA_NV_GLOBALLOCK attribute SET.\r | |
968 | \r | |
969 | @param[in] AuthHandle TPM_RH_OWNER or TPM_RH_PLATFORM+{PP}.\r | |
970 | @param[in] AuthSession Auth Session context\r | |
971 | \r | |
972 | @retval EFI_SUCCESS Operation completed successfully.\r | |
973 | @retval EFI_DEVICE_ERROR The command was unsuccessful.\r | |
974 | @retval EFI_NOT_FOUND The command was returned successfully, but NvIndex is not found.\r | |
975 | **/\r | |
976 | EFI_STATUS\r | |
977 | EFIAPI\r | |
978 | Tpm2NvGlobalWriteLock (\r | |
979 | IN TPMI_RH_PROVISION AuthHandle,\r | |
980 | IN TPMS_AUTH_COMMAND *AuthSession OPTIONAL\r | |
981 | )\r | |
982 | {\r | |
983 | EFI_STATUS Status;\r | |
984 | TPM2_NV_GLOBALWRITELOCK_COMMAND SendBuffer;\r | |
985 | TPM2_NV_GLOBALWRITELOCK_RESPONSE RecvBuffer;\r | |
986 | UINT32 SendBufferSize;\r | |
987 | UINT32 RecvBufferSize;\r | |
988 | UINT8 *Buffer;\r | |
989 | UINT32 SessionInfoSize;\r | |
990 | TPM_RC ResponseCode;\r | |
991 | \r | |
992 | //\r | |
993 | // Construct command\r | |
994 | //\r | |
995 | SendBuffer.Header.tag = SwapBytes16(TPM_ST_SESSIONS);\r | |
996 | SendBuffer.Header.commandCode = SwapBytes32(TPM_CC_NV_GlobalWriteLock);\r | |
997 | \r | |
998 | SendBuffer.AuthHandle = SwapBytes32 (AuthHandle);\r | |
999 | \r | |
1000 | //\r | |
1001 | // Add in Auth session\r | |
1002 | //\r | |
1003 | Buffer = (UINT8 *)&SendBuffer.AuthSession;\r | |
1004 | \r | |
1005 | // sessionInfoSize\r | |
1006 | SessionInfoSize = CopyAuthSessionCommand (AuthSession, Buffer);\r | |
1007 | Buffer += SessionInfoSize;\r | |
1008 | SendBuffer.AuthSessionSize = SwapBytes32(SessionInfoSize);\r | |
1009 | \r | |
1010 | SendBufferSize = (UINT32)(Buffer - (UINT8 *)&SendBuffer);\r | |
1011 | SendBuffer.Header.paramSize = SwapBytes32 (SendBufferSize);\r | |
1012 | \r | |
1013 | //\r | |
1014 | // send Tpm command\r | |
1015 | //\r | |
1016 | RecvBufferSize = sizeof (RecvBuffer);\r | |
1017 | Status = Tpm2SubmitCommand (SendBufferSize, (UINT8 *)&SendBuffer, &RecvBufferSize, (UINT8 *)&RecvBuffer);\r | |
1018 | if (EFI_ERROR (Status)) {\r | |
7ae130da | 1019 | goto Done;\r |
c1d93242 JY |
1020 | }\r |
1021 | \r | |
1022 | if (RecvBufferSize < sizeof (TPM2_RESPONSE_HEADER)) {\r | |
1023 | DEBUG ((EFI_D_ERROR, "Tpm2NvGlobalWriteLock - RecvBufferSize Error - %x\n", RecvBufferSize));\r | |
7ae130da JY |
1024 | Status = EFI_DEVICE_ERROR;\r |
1025 | goto Done;\r | |
c1d93242 JY |
1026 | }\r |
1027 | \r | |
1028 | ResponseCode = SwapBytes32(RecvBuffer.Header.responseCode);\r | |
1029 | if (ResponseCode != TPM_RC_SUCCESS) {\r | |
1030 | DEBUG ((EFI_D_ERROR, "Tpm2NvGlobalWriteLock - responseCode - %x\n", SwapBytes32(RecvBuffer.Header.responseCode)));\r | |
1031 | }\r | |
1032 | switch (ResponseCode) {\r | |
1033 | case TPM_RC_SUCCESS:\r | |
1034 | // return data\r | |
1035 | break;\r | |
1036 | default:\r | |
7ae130da JY |
1037 | Status = EFI_DEVICE_ERROR;\r |
1038 | break;\r | |
c1d93242 JY |
1039 | }\r |
1040 | \r | |
7ae130da JY |
1041 | Done:\r |
1042 | //\r | |
1043 | // Clear AuthSession Content\r | |
1044 | //\r | |
1045 | ZeroMem (&SendBuffer, sizeof(SendBuffer));\r | |
1046 | ZeroMem (&RecvBuffer, sizeof(RecvBuffer));\r | |
1047 | return Status;\r | |
c1d93242 | 1048 | }\r |