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9#ifndef TPM_IOCTL_H
10#define TPM_IOCTL_H
11
12#include <sys/uio.h>
13#include <sys/ioctl.h>
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21typedef uint32_t ptm_res;
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24struct ptm_est {
25 union {
26 struct {
27 ptm_res tpm_result;
28 unsigned char bit;
29 } resp;
30 } u;
31};
32
33
34struct ptm_reset_est {
35 union {
36 struct {
37 uint8_t loc;
38 } req;
39 struct {
40 ptm_res tpm_result;
41 } resp;
42 } u;
43};
44
45
46struct ptm_init {
47 union {
48 struct {
49 uint32_t init_flags;
50 } req;
51 struct {
52 ptm_res tpm_result;
53 } resp;
54 } u;
55};
56
57
58#define PTM_INIT_FLAG_DELETE_VOLATILE (1 << 0)
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62struct ptm_loc {
63 union {
64 struct {
65 uint8_t loc;
66 } req;
67 struct {
68 ptm_res tpm_result;
69 } resp;
70 } u;
71};
72
73
74struct ptm_hdata {
75 union {
76 struct {
77 uint32_t length;
78 uint8_t data[4096];
79 } req;
80 struct {
81 ptm_res tpm_result;
82 } resp;
83 } u;
84};
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89
90#define PTM_STATE_BLOB_SIZE (3 * 1024)
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103struct ptm_getstate {
104 union {
105 struct {
106 uint32_t state_flags;
107 uint32_t type;
108 uint32_t offset;
109 } req;
110 struct {
111 ptm_res tpm_result;
112 uint32_t state_flags;
113 uint32_t totlength;
114 uint32_t length;
115 uint8_t data[PTM_STATE_BLOB_SIZE];
116 } resp;
117 } u;
118};
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120
121#define PTM_BLOB_TYPE_PERMANENT 1
122#define PTM_BLOB_TYPE_VOLATILE 2
123#define PTM_BLOB_TYPE_SAVESTATE 3
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125
126#define PTM_STATE_FLAG_DECRYPTED 1
127#define PTM_STATE_FLAG_ENCRYPTED 2
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139struct ptm_setstate {
140 union {
141 struct {
142 uint32_t state_flags;
143 uint32_t type;
144 uint32_t length;
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146
147 uint8_t data[PTM_STATE_BLOB_SIZE];
148 } req;
149 struct {
150 ptm_res tpm_result;
151 } resp;
152 } u;
153};
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159struct ptm_getconfig {
160 union {
161 struct {
162 ptm_res tpm_result;
163 uint32_t flags;
164 } resp;
165 } u;
166};
167
168#define PTM_CONFIG_FLAG_FILE_KEY 0x1
169#define PTM_CONFIG_FLAG_MIGRATION_KEY 0x2
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179struct ptm_setbuffersize {
180 union {
181 struct {
182 uint32_t buffersize;
183 } req;
184 struct {
185 ptm_res tpm_result;
186 uint32_t buffersize;
187 uint32_t minsize;
188 uint32_t maxsize;
189 } resp;
190 } u;
191};
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193
194typedef uint64_t ptm_cap;
195typedef struct ptm_est ptm_est;
196typedef struct ptm_reset_est ptm_reset_est;
197typedef struct ptm_loc ptm_loc;
198typedef struct ptm_hdata ptm_hdata;
199typedef struct ptm_init ptm_init;
200typedef struct ptm_getstate ptm_getstate;
201typedef struct ptm_setstate ptm_setstate;
202typedef struct ptm_getconfig ptm_getconfig;
203typedef struct ptm_setbuffersize ptm_setbuffersize;
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205
206#define PTM_CAP_INIT (1)
207#define PTM_CAP_SHUTDOWN (1 << 1)
208#define PTM_CAP_GET_TPMESTABLISHED (1 << 2)
209#define PTM_CAP_SET_LOCALITY (1 << 3)
210#define PTM_CAP_HASHING (1 << 4)
211#define PTM_CAP_CANCEL_TPM_CMD (1 << 5)
212#define PTM_CAP_STORE_VOLATILE (1 << 6)
213#define PTM_CAP_RESET_TPMESTABLISHED (1 << 7)
214#define PTM_CAP_GET_STATEBLOB (1 << 8)
215#define PTM_CAP_SET_STATEBLOB (1 << 9)
216#define PTM_CAP_STOP (1 << 10)
217#define PTM_CAP_GET_CONFIG (1 << 11)
218#define PTM_CAP_SET_DATAFD (1 << 12)
219#define PTM_CAP_SET_BUFFERSIZE (1 << 13)
220
221enum {
222 PTM_GET_CAPABILITY = _IOR('P', 0, ptm_cap),
223 PTM_INIT = _IOWR('P', 1, ptm_init),
224 PTM_SHUTDOWN = _IOR('P', 2, ptm_res),
225 PTM_GET_TPMESTABLISHED = _IOR('P', 3, ptm_est),
226 PTM_SET_LOCALITY = _IOWR('P', 4, ptm_loc),
227 PTM_HASH_START = _IOR('P', 5, ptm_res),
228 PTM_HASH_DATA = _IOWR('P', 6, ptm_hdata),
229 PTM_HASH_END = _IOR('P', 7, ptm_res),
230 PTM_CANCEL_TPM_CMD = _IOR('P', 8, ptm_res),
231 PTM_STORE_VOLATILE = _IOR('P', 9, ptm_res),
232 PTM_RESET_TPMESTABLISHED = _IOWR('P', 10, ptm_reset_est),
233 PTM_GET_STATEBLOB = _IOWR('P', 11, ptm_getstate),
234 PTM_SET_STATEBLOB = _IOWR('P', 12, ptm_setstate),
235 PTM_STOP = _IOR('P', 13, ptm_res),
236 PTM_GET_CONFIG = _IOR('P', 14, ptm_getconfig),
237 PTM_SET_DATAFD = _IOR('P', 15, ptm_res),
238 PTM_SET_BUFFERSIZE = _IOWR('P', 16, ptm_setbuffersize),
239};
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251enum {
252 CMD_GET_CAPABILITY = 1,
253 CMD_INIT,
254 CMD_SHUTDOWN,
255 CMD_GET_TPMESTABLISHED,
256 CMD_SET_LOCALITY,
257 CMD_HASH_START,
258 CMD_HASH_DATA,
259 CMD_HASH_END,
260 CMD_CANCEL_TPM_CMD,
261 CMD_STORE_VOLATILE,
262 CMD_RESET_TPMESTABLISHED,
263 CMD_GET_STATEBLOB,
264 CMD_SET_STATEBLOB,
265 CMD_STOP,
266 CMD_GET_CONFIG,
267 CMD_SET_DATAFD,
268 CMD_SET_BUFFERSIZE,
269};
270
271#endif
272