1 /* Copyright (c) 2013 The Chromium OS Authors. All rights reserved.
2  * Use of this source code is governed by a BSD-style license that can be
3  * found in the LICENSE file.
4  *
5  * Some TPM constants and type definitions for standalone compilation for use
6  * in the firmware
7  */
8 #ifndef VBOOT_REFERENCE_TSS_CONSTANTS_H_
9 #define VBOOT_REFERENCE_TSS_CONSTANTS_H_
10 #include <stdint.h>
11 
12 #define TPM_MAX_COMMAND_SIZE 4096
13 #define TPM_LARGE_ENOUGH_COMMAND_SIZE 256  /* saves space in the firmware */
14 #define TPM_PUBEK_SIZE 256
15 #define TPM_PCR_DIGEST 20
16 
17 #define TPM_E_NON_FATAL 0x800
18 
19 #define TPM_SUCCESS ((uint32_t)0x00000000)
20 
21 #define TPM_E_AREA_LOCKED           ((uint32_t)0x0000003c)
22 #define TPM_E_BADINDEX              ((uint32_t)0x00000002)
23 #define TPM_E_BAD_PRESENCE          ((uint32_t)0x0000002d)
24 #define TPM_E_IOERROR               ((uint32_t)0x0000001f)
25 #define TPM_E_INVALID_POSTINIT      ((uint32_t)0x00000026)
26 #define TPM_E_MAXNVWRITES           ((uint32_t)0x00000048)
27 #define TPM_E_OWNER_SET             ((uint32_t)0x00000014)
28 
29 #define TPM_E_NEEDS_SELFTEST ((uint32_t)(TPM_E_NON_FATAL + 1))
30 #define TPM_E_DOING_SELFTEST ((uint32_t)(TPM_E_NON_FATAL + 2))
31 
32 #define TPM_E_ALREADY_INITIALIZED    ((uint32_t)0x00005000)  /* vboot local */
33 #define TPM_E_INTERNAL_INCONSISTENCY ((uint32_t)0x00005001)  /* vboot local */
34 #define TPM_E_MUST_REBOOT            ((uint32_t)0x00005002)  /* vboot local */
35 #define TPM_E_CORRUPTED_STATE        ((uint32_t)0x00005003)  /* vboot local */
36 #define TPM_E_COMMUNICATION_ERROR    ((uint32_t)0x00005004)  /* vboot local */
37 #define TPM_E_RESPONSE_TOO_LARGE     ((uint32_t)0x00005005)  /* vboot local */
38 #define TPM_E_NO_DEVICE              ((uint32_t)0x00005006)  /* vboot local */
39 #define TPM_E_INPUT_TOO_SMALL        ((uint32_t)0x00005007)  /* vboot local */
40 #define TPM_E_WRITE_FAILURE          ((uint32_t)0x00005008)  /* vboot local */
41 #define TPM_E_READ_EMPTY             ((uint32_t)0x00005009)  /* vboot local */
42 #define TPM_E_READ_FAILURE           ((uint32_t)0x0000500a)  /* vboot local */
43 
44 #define TPM_NV_INDEX0 ((uint32_t)0x00000000)
45 #define TPM_NV_INDEX_LOCK ((uint32_t)0xffffffff)
46 #define TPM_NV_PER_GLOBALLOCK (((uint32_t)1)<<15)
47 #define TPM_NV_PER_PPWRITE (((uint32_t)1)<<0)
48 #define TPM_NV_PER_READ_STCLEAR (((uint32_t)1)<<31)
49 #define TPM_NV_PER_WRITE_STCLEAR (((uint32_t)1)<<14)
50 
51 #define TPM_TAG_RQU_COMMAND       ((uint16_t) 0xc1)
52 #define TPM_TAG_RQU_AUTH1_COMMAND ((uint16_t) 0xc2)
53 #define TPM_TAG_RQU_AUTH2_COMMAND ((uint16_t) 0xc3)
54 
55 #define TPM_TAG_RSP_COMMAND       ((uint16_t) 0xc4)
56 #define TPM_TAG_RSP_AUTH1_COMMAND ((uint16_t) 0xc5)
57 #define TPM_TAG_RSP_AUTH2_COMMAND ((uint16_t) 0xc6)
58 
59 typedef uint8_t TSS_BOOL;
60 typedef uint16_t TPM_STRUCTURE_TAG;
61 
62 typedef struct tdTPM_PERMANENT_FLAGS
63 {
64 	TPM_STRUCTURE_TAG tag;
65 	TSS_BOOL disable;
66 	TSS_BOOL ownership;
67 	TSS_BOOL deactivated;
68 	TSS_BOOL readPubek;
69 	TSS_BOOL disableOwnerClear;
70 	TSS_BOOL allowMaintenance;
71 	TSS_BOOL physicalPresenceLifetimeLock;
72 	TSS_BOOL physicalPresenceHWEnable;
73 	TSS_BOOL physicalPresenceCMDEnable;
74 	TSS_BOOL CEKPUsed;
75 	TSS_BOOL TPMpost;
76 	TSS_BOOL TPMpostLock;
77 	TSS_BOOL FIPS;
78 	TSS_BOOL Operator;
79 	TSS_BOOL enableRevokeEK;
80 	TSS_BOOL nvLocked;
81 	TSS_BOOL readSRKPub;
82 	TSS_BOOL tpmEstablished;
83 	TSS_BOOL maintenanceDone;
84 	TSS_BOOL disableFullDALogicInfo;
85 } TPM_PERMANENT_FLAGS;
86 
87 typedef struct tdTPM_STCLEAR_FLAGS{
88 	TPM_STRUCTURE_TAG tag;
89 	TSS_BOOL deactivated;
90 	TSS_BOOL disableForceClear;
91 	TSS_BOOL physicalPresence;
92 	TSS_BOOL physicalPresenceLock;
93 	TSS_BOOL bGlobalLock;
94 } TPM_STCLEAR_FLAGS;
95 
96 #endif  /* VBOOT_REFERENCE_TSS_CONSTANTS_H_ */
97