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1 /* SPDX-License-Identifier: GPL-2.0+ */
2 /*
3  * Copyright (c) 2015 Google, Inc
4  */
5 
6 #ifndef __tpm_internal_h
7 #define __tpm_internal_h
8 
9 enum {
10 	TPM_MAX_ORDINAL			= 243,
11 	TPM_MAX_PROTECTED_ORDINAL	= 12,
12 	TPM_PROTECTED_ORDINAL_MASK	= 0xff,
13 	TPM_CMD_COUNT_BYTE		= 2,
14 	TPM_CMD_ORDINAL_BYTE		= 6,
15 };
16 
17 /*
18  * Array with one entry per ordinal defining the maximum amount
19  * of time the chip could take to return the result.  The ordinal
20  * designation of short, medium or long is defined in a table in
21  * TCG Specification TPM Main Part 2 TPM Structures Section 17. The
22  * values of the SHORT, MEDIUM, and LONG durations are retrieved
23  * from the chip during initialization with a call to tpm_get_timeouts.
24  */
25 static const u8 tpm_protected_ordinal_duration[TPM_MAX_PROTECTED_ORDINAL] = {
26 	TPM_UNDEFINED,		/* 0 */
27 	TPM_UNDEFINED,
28 	TPM_UNDEFINED,
29 	TPM_UNDEFINED,
30 	TPM_UNDEFINED,
31 	TPM_UNDEFINED,		/* 5 */
32 	TPM_UNDEFINED,
33 	TPM_UNDEFINED,
34 	TPM_UNDEFINED,
35 	TPM_UNDEFINED,
36 	TPM_SHORT,		/* 10 */
37 	TPM_SHORT,
38 };
39 
40 static const u8 tpm_ordinal_duration[TPM_MAX_ORDINAL] = {
41 	TPM_UNDEFINED,		/* 0 */
42 	TPM_UNDEFINED,
43 	TPM_UNDEFINED,
44 	TPM_UNDEFINED,
45 	TPM_UNDEFINED,
46 	TPM_UNDEFINED,		/* 5 */
47 	TPM_UNDEFINED,
48 	TPM_UNDEFINED,
49 	TPM_UNDEFINED,
50 	TPM_UNDEFINED,
51 	TPM_SHORT,		/* 10 */
52 	TPM_SHORT,
53 	TPM_MEDIUM,
54 	TPM_LONG,
55 	TPM_LONG,
56 	TPM_MEDIUM,		/* 15 */
57 	TPM_SHORT,
58 	TPM_SHORT,
59 	TPM_MEDIUM,
60 	TPM_LONG,
61 	TPM_SHORT,		/* 20 */
62 	TPM_SHORT,
63 	TPM_MEDIUM,
64 	TPM_MEDIUM,
65 	TPM_MEDIUM,
66 	TPM_SHORT,		/* 25 */
67 	TPM_SHORT,
68 	TPM_MEDIUM,
69 	TPM_SHORT,
70 	TPM_SHORT,
71 	TPM_MEDIUM,		/* 30 */
72 	TPM_LONG,
73 	TPM_MEDIUM,
74 	TPM_SHORT,
75 	TPM_SHORT,
76 	TPM_SHORT,		/* 35 */
77 	TPM_MEDIUM,
78 	TPM_MEDIUM,
79 	TPM_UNDEFINED,
80 	TPM_UNDEFINED,
81 	TPM_MEDIUM,		/* 40 */
82 	TPM_LONG,
83 	TPM_MEDIUM,
84 	TPM_SHORT,
85 	TPM_SHORT,
86 	TPM_SHORT,		/* 45 */
87 	TPM_SHORT,
88 	TPM_SHORT,
89 	TPM_SHORT,
90 	TPM_LONG,
91 	TPM_MEDIUM,		/* 50 */
92 	TPM_MEDIUM,
93 	TPM_UNDEFINED,
94 	TPM_UNDEFINED,
95 	TPM_UNDEFINED,
96 	TPM_UNDEFINED,		/* 55 */
97 	TPM_UNDEFINED,
98 	TPM_UNDEFINED,
99 	TPM_UNDEFINED,
100 	TPM_UNDEFINED,
101 	TPM_MEDIUM,		/* 60 */
102 	TPM_MEDIUM,
103 	TPM_MEDIUM,
104 	TPM_SHORT,
105 	TPM_SHORT,
106 	TPM_MEDIUM,		/* 65 */
107 	TPM_UNDEFINED,
108 	TPM_UNDEFINED,
109 	TPM_UNDEFINED,
110 	TPM_UNDEFINED,
111 	TPM_SHORT,		/* 70 */
112 	TPM_SHORT,
113 	TPM_UNDEFINED,
114 	TPM_UNDEFINED,
115 	TPM_UNDEFINED,
116 	TPM_UNDEFINED,		/* 75 */
117 	TPM_UNDEFINED,
118 	TPM_UNDEFINED,
119 	TPM_UNDEFINED,
120 	TPM_UNDEFINED,
121 	TPM_LONG,		/* 80 */
122 	TPM_UNDEFINED,
123 	TPM_MEDIUM,
124 	TPM_LONG,
125 	TPM_SHORT,
126 	TPM_UNDEFINED,		/* 85 */
127 	TPM_UNDEFINED,
128 	TPM_UNDEFINED,
129 	TPM_UNDEFINED,
130 	TPM_UNDEFINED,
131 	TPM_SHORT,		/* 90 */
132 	TPM_SHORT,
133 	TPM_SHORT,
134 	TPM_SHORT,
135 	TPM_SHORT,
136 	TPM_UNDEFINED,		/* 95 */
137 	TPM_UNDEFINED,
138 	TPM_UNDEFINED,
139 	TPM_UNDEFINED,
140 	TPM_UNDEFINED,
141 	TPM_MEDIUM,		/* 100 */
142 	TPM_SHORT,
143 	TPM_SHORT,
144 	TPM_UNDEFINED,
145 	TPM_UNDEFINED,
146 	TPM_UNDEFINED,		/* 105 */
147 	TPM_UNDEFINED,
148 	TPM_UNDEFINED,
149 	TPM_UNDEFINED,
150 	TPM_UNDEFINED,
151 	TPM_SHORT,		/* 110 */
152 	TPM_SHORT,
153 	TPM_SHORT,
154 	TPM_SHORT,
155 	TPM_SHORT,
156 	TPM_SHORT,		/* 115 */
157 	TPM_SHORT,
158 	TPM_SHORT,
159 	TPM_UNDEFINED,
160 	TPM_UNDEFINED,
161 	TPM_LONG,		/* 120 */
162 	TPM_LONG,
163 	TPM_MEDIUM,
164 	TPM_UNDEFINED,
165 	TPM_SHORT,
166 	TPM_SHORT,		/* 125 */
167 	TPM_SHORT,
168 	TPM_LONG,
169 	TPM_SHORT,
170 	TPM_SHORT,
171 	TPM_SHORT,		/* 130 */
172 	TPM_MEDIUM,
173 	TPM_UNDEFINED,
174 	TPM_SHORT,
175 	TPM_MEDIUM,
176 	TPM_UNDEFINED,		/* 135 */
177 	TPM_UNDEFINED,
178 	TPM_UNDEFINED,
179 	TPM_UNDEFINED,
180 	TPM_UNDEFINED,
181 	TPM_SHORT,		/* 140 */
182 	TPM_SHORT,
183 	TPM_UNDEFINED,
184 	TPM_UNDEFINED,
185 	TPM_UNDEFINED,
186 	TPM_UNDEFINED,		/* 145 */
187 	TPM_UNDEFINED,
188 	TPM_UNDEFINED,
189 	TPM_UNDEFINED,
190 	TPM_UNDEFINED,
191 	TPM_SHORT,		/* 150 */
192 	TPM_MEDIUM,
193 	TPM_MEDIUM,
194 	TPM_SHORT,
195 	TPM_SHORT,
196 	TPM_UNDEFINED,		/* 155 */
197 	TPM_UNDEFINED,
198 	TPM_UNDEFINED,
199 	TPM_UNDEFINED,
200 	TPM_UNDEFINED,
201 	TPM_SHORT,		/* 160 */
202 	TPM_SHORT,
203 	TPM_SHORT,
204 	TPM_SHORT,
205 	TPM_UNDEFINED,
206 	TPM_UNDEFINED,		/* 165 */
207 	TPM_UNDEFINED,
208 	TPM_UNDEFINED,
209 	TPM_UNDEFINED,
210 	TPM_UNDEFINED,
211 	TPM_LONG,		/* 170 */
212 	TPM_UNDEFINED,
213 	TPM_UNDEFINED,
214 	TPM_UNDEFINED,
215 	TPM_UNDEFINED,
216 	TPM_UNDEFINED,		/* 175 */
217 	TPM_UNDEFINED,
218 	TPM_UNDEFINED,
219 	TPM_UNDEFINED,
220 	TPM_UNDEFINED,
221 	TPM_MEDIUM,		/* 180 */
222 	TPM_SHORT,
223 	TPM_MEDIUM,
224 	TPM_MEDIUM,
225 	TPM_MEDIUM,
226 	TPM_MEDIUM,		/* 185 */
227 	TPM_SHORT,
228 	TPM_UNDEFINED,
229 	TPM_UNDEFINED,
230 	TPM_UNDEFINED,
231 	TPM_UNDEFINED,		/* 190 */
232 	TPM_UNDEFINED,
233 	TPM_UNDEFINED,
234 	TPM_UNDEFINED,
235 	TPM_UNDEFINED,
236 	TPM_UNDEFINED,		/* 195 */
237 	TPM_UNDEFINED,
238 	TPM_UNDEFINED,
239 	TPM_UNDEFINED,
240 	TPM_UNDEFINED,
241 	TPM_SHORT,		/* 200 */
242 	TPM_UNDEFINED,
243 	TPM_UNDEFINED,
244 	TPM_UNDEFINED,
245 	TPM_SHORT,
246 	TPM_SHORT,		/* 205 */
247 	TPM_SHORT,
248 	TPM_SHORT,
249 	TPM_SHORT,
250 	TPM_SHORT,
251 	TPM_MEDIUM,		/* 210 */
252 	TPM_UNDEFINED,
253 	TPM_MEDIUM,
254 	TPM_MEDIUM,
255 	TPM_MEDIUM,
256 	TPM_UNDEFINED,		/* 215 */
257 	TPM_MEDIUM,
258 	TPM_UNDEFINED,
259 	TPM_UNDEFINED,
260 	TPM_SHORT,
261 	TPM_SHORT,		/* 220 */
262 	TPM_SHORT,
263 	TPM_SHORT,
264 	TPM_SHORT,
265 	TPM_SHORT,
266 	TPM_UNDEFINED,		/* 225 */
267 	TPM_UNDEFINED,
268 	TPM_UNDEFINED,
269 	TPM_UNDEFINED,
270 	TPM_UNDEFINED,
271 	TPM_SHORT,		/* 230 */
272 	TPM_LONG,
273 	TPM_MEDIUM,
274 	TPM_UNDEFINED,
275 	TPM_UNDEFINED,
276 	TPM_UNDEFINED,		/* 235 */
277 	TPM_UNDEFINED,
278 	TPM_UNDEFINED,
279 	TPM_UNDEFINED,
280 	TPM_UNDEFINED,
281 	TPM_SHORT,		/* 240 */
282 	TPM_UNDEFINED,
283 	TPM_MEDIUM,
284 };
285 
286 #endif
287