1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
|
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2009 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _TPM_DDI_H
#define _TPM_DDI_H
/* Duration index is SHORT, MEDIUM, LONG, UNDEFINED */
#define TPM_DURATION_MAX_IDX 3
/*
* IO buffer size: this seems sufficient, but feel free to modify
* This should be at minimum 765
*/
#define TPM_IO_BUF_SIZE 4096
#define TPM_IO_TIMEOUT 10000000
/*
* Flags to keep track of for the allocated resources
* so we know what to deallocate later on
*/
enum tpm_ddi_resources_flags {
TPM_OPENED = 0x001,
TPM_DIDMINOR = 0x002,
TPM_DIDREGSMAP = 0x004,
TPM_DIDINTMUTEX = 0x008,
TPM_DIDINTCV = 0x010,
TPM_DID_IO_ALLOC = 0x100,
TPM_DID_IO_MUTEX = 0x200,
TPM_DID_IO_CV = 0x400,
TPM_DID_MUTEX = 0x800,
TPM_DID_SOFT_STATE = 0x1000,
#ifdef sun4v
TPM_HSVC_REGISTERED = 0x2000
#endif
};
typedef struct tpm_state tpm_state_t;
/* TPM specific data structure */
struct tpm_state {
/* TPM specific */
TPM_CAP_VERSION_INFO vers_info;
/* OS specific */
int instance;
dev_info_t *dip;
ddi_acc_handle_t handle;
kmutex_t dev_lock;
uint8_t dev_held;
/*
* For read/write
*/
uint8_t *iobuf;
size_t bufsize;
uint8_t iobuf_inuse;
kmutex_t iobuf_lock;
kcondvar_t iobuf_cv;
/*
* For supporting the interrupt
*/
uint8_t intr_enabled;
ddi_intr_handle_t *h_array;
uint_t intr_pri;
unsigned int state;
uint8_t *addr; /* where TPM is mapped to */
char locality; /* keep track of the locality */
uint32_t flags; /* flags to keep track of what is allocated */
clock_t duration[4]; /* short,medium,long,undefined */
clock_t timeout_a;
clock_t timeout_b;
clock_t timeout_c;
clock_t timeout_d;
clock_t timeout_poll;
ddi_device_acc_attr_t accattr;
/* For power management. */
kmutex_t pm_mutex;
kcondvar_t suspend_cv;
uint32_t suspended;
#ifdef KCF_TPM_RNG_PROVIDER
/* For RNG */
crypto_kcf_provider_handle_t n_prov;
#endif
};
#endif /* _TPM_DDI_H */
|