blob: 340bfd52f1498e01f5f2e9eee1a1e8df9a8250f6 (
plain)
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
|
/*
* TPM configuration
*
* Copyright (C) 2011-2013 IBM Corporation
*
* Authors:
* Stefan Berger <stefanb@us.ibm.com>
*
* This work is licensed under the terms of the GNU GPL, version 2 or later.
* See the COPYING file in the top-level directory.
*/
#ifndef TPM_TPM_INT_H
#define TPM_TPM_INT_H
#include "exec/memory.h"
#include "tpm/tpm_tis.h"
/* overall state of the TPM interface */
struct TPMState {
ISADevice busdev;
MemoryRegion mmio;
union {
TPMTISEmuState tis;
} s;
uint8_t locty_number;
TPMLocality *locty_data;
char *backend;
TPMBackend *be_driver;
};
#define TPM(obj) OBJECT_CHECK(TPMState, (obj), TYPE_TPM_TIS)
struct TPMDriverOps {
enum TpmType type;
/* get a descriptive text of the backend to display to the user */
const char *(*desc)(void);
TPMBackend *(*create)(QemuOpts *opts, const char *id);
void (*destroy)(TPMBackend *t);
/* initialize the backend */
int (*init)(TPMBackend *t, TPMState *s, TPMRecvDataCB *datacb);
/* start up the TPM on the backend */
int (*startup_tpm)(TPMBackend *t);
/* returns true if nothing will ever answer TPM requests */
bool (*had_startup_error)(TPMBackend *t);
size_t (*realloc_buffer)(TPMSizedBuffer *sb);
void (*deliver_request)(TPMBackend *t);
void (*reset)(TPMBackend *t);
void (*cancel_cmd)(TPMBackend *t);
bool (*get_tpm_established_flag)(TPMBackend *t);
};
struct tpm_req_hdr {
uint16_t tag;
uint32_t len;
uint32_t ordinal;
} QEMU_PACKED;
struct tpm_resp_hdr {
uint16_t tag;
uint32_t len;
uint32_t errcode;
} QEMU_PACKED;
#define TPM_TAG_RQU_COMMAND 0xc1
#define TPM_TAG_RQU_AUTH1_COMMAND 0xc2
#define TPM_TAG_RQU_AUTH2_COMMAND 0xc3
#define TPM_TAG_RSP_COMMAND 0xc4
#define TPM_TAG_RSP_AUTH1_COMMAND 0xc5
#define TPM_TAG_RSP_AUTH2_COMMAND 0xc6
#define TPM_FAIL 9
#define TPM_ORD_GetTicks 0xf1
TPMBackend *qemu_find_tpm(const char *id);
int tpm_register_model(enum TpmModel model);
int tpm_register_driver(const TPMDriverOps *tdo);
void tpm_display_backend_drivers(void);
const TPMDriverOps *tpm_get_backend_driver(const char *type);
void tpm_write_fatal_error_response(uint8_t *out, uint32_t out_len);
extern const TPMDriverOps tpm_passthrough_driver;
#endif /* TPM_TPM_INT_H */
|
