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Side by Side Diff: firmware/lib/tpm_lite/include/tlcl.h

Issue 3041005: Add lots of debugging to TPM library. (Closed) Base URL: ssh://gitrw.chromium.org/vboot_reference.git
Patch Set: Fix TPM unit tests Created 10 years, 5 months ago
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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
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46 void TlclSetLogLevel(int level); 46 void TlclSetLogLevel(int level);
47 47
48 /* Sends a TPM_Startup(ST_CLEAR). The TPM error code is returned (0 48 /* Sends a TPM_Startup(ST_CLEAR). The TPM error code is returned (0
49 * for success). 49 * for success).
50 */ 50 */
51 uint32_t TlclStartup(void); 51 uint32_t TlclStartup(void);
52 52
53 /* Run the self test. Note---this is synchronous. To run this in parallel 53 /* Run the self test. Note---this is synchronous. To run this in parallel
54 * with other firmware, use ContinueSelfTest. The TPM error code is returned. 54 * with other firmware, use ContinueSelfTest. The TPM error code is returned.
55 */ 55 */
56 uint32_t TlclSelftestfull(void); 56 uint32_t TlclSelfTestFull(void);
57 57
58 /* Runs the self test in the background. 58 /* Runs the self test in the background.
59 */ 59 */
60 uint32_t TlclContinueSelfTest(void); 60 uint32_t TlclContinueSelfTest(void);
61 61
62 /* Defines a space with permission [perm]. [index] is the index for the space, 62 /* Defines a space with permission [perm]. [index] is the index for the space,
63 * [size] the usable data size. The TPM error code is returned. 63 * [size] the usable data size. The TPM error code is returned.
64 */ 64 */
65 uint32_t TlclDefineSpace(uint32_t index, uint32_t perm, uint32_t size); 65 uint32_t TlclDefineSpace(uint32_t index, uint32_t perm, uint32_t size);
66 66
67 /* Defines a space with permission [perm]. [index] is the index for the space,
68 * [size] the usable data size. Returns the TPM error code.
69 */
70 uint32_t TlclDefineSpaceResult(uint32_t index, uint32_t perm, uint32_t size);
71
72 /* Writes [length] bytes of [data] to space at [index]. The TPM error code is 67 /* Writes [length] bytes of [data] to space at [index]. The TPM error code is
73 * returned. 68 * returned.
74 */ 69 */
75 uint32_t TlclWrite(uint32_t index, uint8_t *data, uint32_t length); 70 uint32_t TlclWrite(uint32_t index, uint8_t *data, uint32_t length);
76 71
77 /* Reads [length] bytes from space at [index] into [data]. The TPM error code 72 /* Reads [length] bytes from space at [index] into [data]. The TPM error code
78 * is returned. 73 * is returned.
79 */ 74 */
80 uint32_t TlclRead(uint32_t index, uint8_t *data, uint32_t length); 75 uint32_t TlclRead(uint32_t index, uint8_t *data, uint32_t length);
81 76
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113 uint32_t TlclSetEnable(void); 108 uint32_t TlclSetEnable(void);
114 109
115 /* Issues a PhysicalDisable. The TPM error code is returned. 110 /* Issues a PhysicalDisable. The TPM error code is returned.
116 */ 111 */
117 uint32_t TlclClearEnable(void); 112 uint32_t TlclClearEnable(void);
118 113
119 /* Issues a SetDeactivated. Pass 0 to activate. Returns result code. 114 /* Issues a SetDeactivated. Pass 0 to activate. Returns result code.
120 */ 115 */
121 uint32_t TlclSetDeactivated(uint8_t flag); 116 uint32_t TlclSetDeactivated(uint8_t flag);
122 117
123 /* Gets flags of interest. (Add more here as needed.) The TPM error code is 118 /* Gets flags of interest. Pointers for flags you aren't interested in may
124 * returned. 119 * be NULL. The TPM error code is returned.
125 */ 120 */
126 uint32_t TlclGetFlags(uint8_t* disable, uint8_t* deactivated); 121 uint32_t TlclGetFlags(uint8_t* disable, uint8_t* deactivated, uint8_t* nvlocked) ;
127 122
128 /* Sets the bGlobalLock flag, which only a reboot can clear. The TPM error 123 /* Sets the bGlobalLock flag, which only a reboot can clear. The TPM error
129 * code is returned. 124 * code is returned.
130 */ 125 */
131 uint32_t TlclSetGlobalLock(void); 126 uint32_t TlclSetGlobalLock(void);
132 127
133 /* Performs a TPM_Extend. 128 /* Performs a TPM_Extend.
134 */ 129 */
135 uint32_t TlclExtend(int pcr_num, uint8_t* in_digest, uint8_t* out_digest); 130 uint32_t TlclExtend(int pcr_num, uint8_t* in_digest, uint8_t* out_digest);
136 131
137 /* Gets the permission bits for the NVRAM space with |index|. 132 /* Gets the permission bits for the NVRAM space with |index|.
138 */ 133 */
139 uint32_t TlclGetPermissions(uint32_t index, uint32_t* permissions); 134 uint32_t TlclGetPermissions(uint32_t index, uint32_t* permissions);
140 135
141 #endif /* TPM_LITE_TLCL_H_ */ 136 #endif /* TPM_LITE_TLCL_H_ */
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