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1 /* Copyright (c) 2010 The Chromium OS Authors. All rights reserved. | 1 /* Copyright (c) 2010 The Chromium OS Authors. All rights reserved. |
2 * Use of this source code is governed by a BSD-style license that can be | 2 * Use of this source code is governed by a BSD-style license that can be |
3 * found in the LICENSE file. | 3 * found in the LICENSE file. |
4 */ | 4 */ |
5 | 5 |
6 /* TPM Lightweight Command Library. | 6 /* TPM Lightweight Command Library. |
7 * | 7 * |
8 * A low-level library for interfacing to TPM hardware or an emulator. | 8 * A low-level library for interfacing to TPM hardware or an emulator. |
9 */ | 9 */ |
10 | 10 |
11 #ifndef TPM_LITE_TLCL_H_ | 11 #ifndef TPM_LITE_TLCL_H_ |
12 #define TPM_LITE_TLCL_H_ | 12 #define TPM_LITE_TLCL_H_ |
13 | 13 |
14 #include "sysincludes.h" | 14 #include "sysincludes.h" |
15 #include "tss_constants.h" | 15 #include "tss_constants.h" |
16 | 16 #include "tlcl_stub.h" |
17 /*****************************************************************************/ | |
18 /* Functions to be implemented by the stub library */ | |
19 | |
20 /* Initialize the stub library */ | |
21 void TlclStubInit(void); | |
22 | |
23 /* Close and open the device. This is needed for running more complex commands | |
24 * at user level, such as TPM_TakeOwnership, since the TPM device can be opened | |
25 * only by one process at a time. | |
26 */ | |
27 void TlclCloseDevice(void); | |
28 void TlclOpenDevice(void); | |
29 | |
30 /* Send data to the TPM and receive a response. Returns 0 if success, | |
31 * nonzero if error. */ | |
32 uint32_t TlclStubSendReceive(const uint8_t* request, int request_length, | |
33 uint8_t* response, int max_length); | |
34 | 17 |
35 /*****************************************************************************/ | 18 /*****************************************************************************/ |
36 /* Functions implemented in tlcl.c */ | 19 /* Functions implemented in tlcl.c */ |
37 | 20 |
38 /* Call this first. | 21 /* Call this first. |
39 */ | 22 */ |
40 void TlclLibInit(void); | 23 void TlclLibInit(void); |
41 | 24 |
42 /* Logs to stdout. Arguments like printf. | 25 /* Logs to stdout. Arguments like printf. |
43 */ | 26 */ |
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152 | 135 |
153 /* Gets the entire set of permanent flags. | 136 /* Gets the entire set of permanent flags. |
154 */ | 137 */ |
155 uint32_t TlclGetPermanentFlags(TPM_PERMANENT_FLAGS* pflags); | 138 uint32_t TlclGetPermanentFlags(TPM_PERMANENT_FLAGS* pflags); |
156 | 139 |
157 /* Gets the entire set of volatile (ST_CLEAR) flags. | 140 /* Gets the entire set of volatile (ST_CLEAR) flags. |
158 */ | 141 */ |
159 uint32_t TlclGetSTClearFlags(TPM_STCLEAR_FLAGS* pflags); | 142 uint32_t TlclGetSTClearFlags(TPM_STCLEAR_FLAGS* pflags); |
160 | 143 |
161 #endif /* TPM_LITE_TLCL_H_ */ | 144 #endif /* TPM_LITE_TLCL_H_ */ |
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