]>
Commit | Line | Data |
---|---|---|
1 | struct ftrace_branch_data { | |
2 | }; | |
3 | struct list_head { | |
4 | }; | |
5 | int __static_cpu_has(unsigned short bit) | |
6 | { | |
7 | asm goto ("1: jmp %l[t_no]\n" "2:\n" ".section .altinstructions,\"a\"\n" | |
8 | " " ".balign 4" " " "\n" " " ".long" " " "1b\n" " " ".long" | |
9 | " " "0\n" " .word %P0\n" " .byte 2b - 1b\n" " .byte 0\n" | |
10 | ".previous\n"::"i" (bit)::t_no); | |
11 | return 1; | |
12 | t_no: | |
13 | return 0; | |
14 | } | |
15 | ||
16 | struct cpuinfo_x86 { | |
17 | unsigned int x86_capability[10]; | |
18 | } __attribute__ ((__aligned__((1 << (6))))); | |
19 | extern struct cpuinfo_x86 boot_cpu_data; | |
20 | struct i387_fxsave_struct { | |
21 | unsigned short swd; | |
22 | } __attribute__ ((aligned(16))); | |
23 | struct xsave_hdr_struct { | |
24 | unsigned long long xstate_bv; | |
25 | } __attribute__ ((packed)); | |
26 | struct xsave_struct { | |
27 | struct xsave_hdr_struct xsave_hdr; | |
28 | } __attribute__ ((packed, aligned(64))); | |
29 | union thread_xstate { | |
30 | struct i387_fxsave_struct fxsave; | |
31 | struct xsave_struct xsave; | |
32 | }; | |
33 | struct fpu { | |
34 | union thread_xstate *state; | |
35 | }; | |
36 | struct thread_struct { | |
37 | struct fpu fpu; | |
38 | } mm_segment_t; | |
39 | struct thread_info { | |
40 | struct task_struct *task; | |
41 | unsigned int status; | |
42 | }; | |
43 | struct cipher_alg { | |
44 | unsigned int cia_min_keysize; | |
45 | unsigned int cia_max_keysize; | |
46 | int (*cia_setkey) (struct crypto_tfm * tfm, const unsigned char * key, | |
47 | unsigned int keylen); | |
48 | void (*cia_encrypt) (struct crypto_tfm * tfm, unsigned char * dst, const unsigned char * src); | |
49 | void (*cia_decrypt) (struct crypto_tfm * tfm, unsigned char * dst, const unsigned char * src); | |
50 | }; | |
51 | struct crypto_alg { | |
52 | struct list_head cra_list; | |
53 | unsigned int cra_flags; | |
54 | unsigned int cra_blocksize; | |
55 | unsigned int cra_ctxsize; | |
56 | unsigned int cra_alignmask; | |
57 | int cra_priority; | |
58 | char cra_name[64]; | |
59 | char cra_driver_name[64]; | |
60 | const struct crypto_type *cra_type; | |
61 | union { | |
62 | struct cipher_alg cipher; | |
63 | } cra_u; | |
64 | struct module *cra_module; | |
65 | }; | |
66 | extern const struct crypto_type crypto_ablkcipher_type; | |
67 | extern const struct crypto_type crypto_blkcipher_type; | |
68 | struct crypto_aes_ctx { | |
69 | }; | |
70 | struct task_struct { | |
71 | struct thread_struct thread; | |
72 | }; | |
73 | static __attribute__ ((always_inline)) | |
74 | __attribute__ ((pure)) | |
75 | int use_xsave(void) | |
76 | { | |
77 | return ( | |
78 | __builtin_constant_p | |
79 | ((__builtin_constant_p((4 * 32 + 26)) | |
80 | && | |
81 | (((((4 * 32 + 26)) >> 5) == 0 | |
82 | && (1UL << (((4 * 32 + 26)) & 31) & | |
83 | ((1 << ((0 * 32 + 0) & 31)) | 0 | 0 | | |
84 | (1 << ((0 * 32 + 6) & 31)) | (1 << ((0 * 32 + 8) & 31)) | |
85 | | 0 | 0 | (1 << ((0 * 32 + 15) & 31)) | 0 | 0))) | |
86 | || ((((4 * 32 + 26)) >> 5) == 1 | |
87 | && (1UL << (((4 * 32 + 26)) & 31) & (0 | 0))) | |
88 | || ((((4 * 32 + 26)) >> 5) == 2 | |
89 | && (1UL << (((4 * 32 + 26)) & 31) & 0)) | |
90 | || ((((4 * 32 + 26)) >> 5) == 3 | |
91 | && (1UL << (((4 * 32 + 26)) & 31) & (0))) | |
92 | || ((((4 * 32 + 26)) >> 5) == 4 | |
93 | && (1UL << (((4 * 32 + 26)) & 31) & 0)) | |
94 | || ((((4 * 32 + 26)) >> 5) == 5 | |
95 | && (1UL << (((4 * 32 + 26)) & 31) & 0)) | |
96 | || ((((4 * 32 + 26)) >> 5) == 6 | |
97 | && (1UL << (((4 * 32 + 26)) & 31) & 0)) | |
98 | || ((((4 * 32 + 26)) >> 5) == 7 | |
99 | && (1UL << (((4 * 32 + 26)) & 31) & 0)) | |
100 | || ((((4 * 32 + 26)) >> 5) == 8 | |
101 | && (1UL << (((4 * 32 + 26)) & 31) & 0)) | |
102 | || ((((4 * 32 + 26)) >> 5) == 9 | |
103 | && (1UL << (((4 * 32 + 26)) & 31) & 0))) ? 1 | |
104 | : | |
105 | (__builtin_constant_p(4 * 32 + 26) ? | |
106 | constant_test_bit(4 * 32 + 26, | |
107 | ((unsigned long *)((&boot_cpu_data)-> | |
108 | x86_capability))) : | |
109 | variable_test_bit(((4 * 32 + 26)) | |
110 | , | |
111 | ((unsigned long *)((&boot_cpu_data)-> | |
112 | x86_capability)))))) | |
113 | ? (__builtin_constant_p((4 * 32 + 26)) | |
114 | && | |
115 | (((((4 * 32 + 26)) >> 5) == 0 | |
116 | && (1UL << (((4 * 32 + 26)) & 31) & | |
117 | ((1 << ((0 * 32 + 0) & 31)) | 0 | 0 | | |
118 | (1 << ((0 * 32 + 6) & 31)) | (1 << | |
119 | ((0 * 32 + | |
120 | 8) & 31)) | 0 | 0 | (1 | |
121 | << | |
122 | ((0 * 32 + 15) & 31)) | 0 | 0))) || ((((4 * 32 + 26)) >> 5) == 1 && (1UL << (((4 * 32 + 26)) & 31) & (0 | 0))) || ((((4 * 32 + 26)) >> 5) == 2 && (1UL << (((4 * 32 + 26)) & 31) & 0)) || ((((4 * 32 + 26)) >> 5) == 3 && (1UL << (((4 * 32 + 26)) & 31) & (0))) || ((((4 * 32 + 26)) >> 5) == 4 && (1UL << (((4 * 32 + 26)) & 31) & 0)) || ((((4 * 32 + 26)) >> 5) == 5 && (1UL << (((4 * 32 + 26)) & 31) & 0)) || ((((4 * 32 + 26)) >> 5) == 6 && (1UL << (((4 * 32 + 26)) & 31) & 0)) || ((((4 * 32 + 26)) >> 5) == 7 && (1UL << (((4 * 32 + 26)) & 31) & 0)) || ((((4 * 32 + 26)) >> 5) == 8 && (1UL << (((4 * 32 + 26)) & 31) & 0)) || ((((4 * 32 + 26)) >> 5) == 9 && (1UL << (((4 * 32 + 26)) & 31) & 0))) ? 1 : (__builtin_constant_p(((4 * 32 + 26))) ? constant_test_bit(((4 * 32 + 26)), ((unsigned long *)((&boot_cpu_data)->x86_capability))) : variable_test_bit(((4 * 32 + 26)), ((unsigned long *)((&boot_cpu_data)->x86_capability))))) : __builtin_constant_p((4 * 32 + 26)) ? __static_cpu_has((4 * 32 + 26)) : (__builtin_constant_p((4 * 32 + 26)) && (((((4 * 32 + 26)) >> 5) == 0 && (1UL << (((4 * 32 + 26)) & 31) & ((1 << ((0 * 32 + 0) & 31)) | 0 | 0 | (1 << ((0 * 32 + 6) & 31)) | (1 << ((0 * 32 + 8) & 31)) | 0 | 0 | (1 << ((0 * 32 + 15) & 31)) | 0 | 0))) || ((((4 * 32 + 26)) >> 5) == 1 && (1UL << (((4 * 32 + 26)) & 31) & (0 | 0))) || ((((4 * 32 + 26)) >> 5) == 2 && (1UL << (((4 * 32 + 26)) & 31) & 0)) || ((((4 * 32 + 26)) >> 5) == 3 && (1UL << (((4 * 32 + 26)) & 31) & (0))) || ((((4 * 32 + 26)) >> 5) == 4 && (1UL << (((4 * 32 + 26)) & 31) & 0)) || ((((4 * 32 + 26)) >> 5) == 5 && (1UL << (((4 * 32 + 26)) & 31) & 0)) || ((((4 * 32 + 26)) >> 5) == 6 && (1UL << (((4 * 32 + 26)) & 31) & 0)) || ((((4 * 32 + 26)) >> 5) == 7 && (1UL << (((4 * 32 + 26)) & 31) & 0)) || ((((4 * 32 + 26)) >> 5) == 8 && (1UL << (((4 * 32 + 26)) & 31) & 0)) || ((((4 * 32 + 26)) >> 5) == 9 && (1UL << (((4 * 32 + 26)) & 31) & 0))) ? 1 : (__builtin_constant_p(((4 * 32 + 26))) ? constant_test_bit(((4 * 32 + 26)), ((unsigned long *)((&boot_cpu_data)->x86_capability))) : variable_test_bit(((4 * 32 + 26)), ((unsigned long *)((&boot_cpu_data)->x86_capability)))))); | |
123 | } | |
124 | ||
125 | static inline __attribute__ ((always_inline)) __attribute__ ((always_inline)) | |
126 | __attribute__ ((pure)) | |
127 | int use_fxsr(void) | |
128 | { | |
129 | return (__builtin_constant_p | |
130 | ((__builtin_constant_p((0 * 32 + 24)) | |
131 | && | |
132 | (((((0 * 32 + 24)) >> 5) == 0 | |
133 | && (1UL << (((0 * 32 + 24)) & 31) & | |
134 | ((1 << ((0 * 32 + 0) & 31)) | 0 | 0 | | |
135 | (1 << ((0 * 32 + 6) & 31)) | (1 << ((0 * 32 + 8) & 31)) | |
136 | | 0 | 0 | (1 << ((0 * 32 + 15) & 31)) | 0 | 0))) | |
137 | || ((((0 * 32 + 24)) >> 5) == 1 | |
138 | && (1UL << (((0 * 32 + 24)) & 31) & (0 | 0))) | |
139 | || ((((0 * 32 + 24)) >> 5) == 2 | |
140 | && (1UL << (((0 * 32 + 24)) & 31) & 0)) | |
141 | || ((((0 * 32 + 24)) >> 5) == 3 | |
142 | && (1UL << (((0 * 32 + 24)) & 31) & (0))) | |
143 | || ((((0 * 32 + 24)) >> 5) == 4 | |
144 | && (1UL << (((0 * 32 + 24)) & 31) & 0)) | |
145 | || ((((0 * 32 + 24)) >> 5) == 5 | |
146 | && (1UL << (((0 * 32 + 24)) & 31) & 0)) | |
147 | || ((((0 * 32 + 24)) >> 5) == 6 | |
148 | && (1UL << (((0 * 32 + 24)) & 31) & 0)) | |
149 | || ((((0 * 32 + 24)) >> 5) == 7 | |
150 | && (1UL << (((0 * 32 + 24)) & 31) & 0)) | |
151 | || ((((0 * 32 + 24)) >> 5) == 8 | |
152 | && (1UL << (((0 * 32 + 24)) & 31) & 0)) | |
153 | || ((((0 * 32 + 24)) >> 5) == 9 | |
154 | && (1UL << (((0 * 32 + 24)) & 31) & 0))) ? 1 | |
155 | : (__builtin_constant_p(((0 * 32 + 24))) ? | |
156 | constant_test_bit(((0 * 32 + 24)), | |
157 | ((unsigned long *)((&boot_cpu_data)-> | |
158 | x86_capability))) : | |
159 | variable_test_bit(((0 * 32 + 24)), | |
160 | ((unsigned long *)((&boot_cpu_data)-> | |
161 | x86_capability)))))) | |
162 | ? (__builtin_constant_p((0 * 32 + 24)) | |
163 | && | |
164 | (((((0 * 32 + 24)) >> 5) == 0 | |
165 | && (1UL << (((0 * 32 + 24)) & 31) & | |
166 | ((1 << ((0 * 32 + 0) & 31)) | 0 | 0 | | |
167 | (1 << ((0 * 32 + 6) & 31)) | (1 << | |
168 | ((0 * 32 + | |
169 | 8) & 31)) | 0 | 0 | (1 | |
170 | << | |
171 | ((0 * 32 + 15) & 31)) | 0 | 0))) || ((((0 * 32 + 24)) >> 5) == 1 && (1UL << (((0 * 32 + 24)) & 31) & (0 | 0))) || ((((0 * 32 + 24)) >> 5) == 2 && (1UL << (((0 * 32 + 24)) & 31) & 0)) || ((((0 * 32 + 24)) >> 5) == 3 && (1UL << (((0 * 32 + 24)) & 31) & (0))) || ((((0 * 32 + 24)) >> 5) == 4 && (1UL << (((0 * 32 + 24)) & 31) & 0)) || ((((0 * 32 + 24)) >> 5) == 5 && (1UL << (((0 * 32 + 24)) & 31) & 0)) || ((((0 * 32 + 24)) >> 5) == 6 && (1UL << (((0 * 32 + 24)) & 31) & 0)) || ((((0 * 32 + 24)) >> 5) == 7 && (1UL << (((0 * 32 + 24)) & 31) & 0)) || ((((0 * 32 + 24)) >> 5) == 8 && (1UL << (((0 * 32 + 24)) & 31) & 0)) || ((((0 * 32 + 24)) >> 5) == 9 && (1UL << (((0 * 32 + 24)) & 31) & 0))) ? 1 : (__builtin_constant_p(((0 * 32 + 24))) ? constant_test_bit(((0 * 32 + 24)), ((unsigned long *)((&boot_cpu_data)->x86_capability))) : variable_test_bit(((0 * 32 + 24)), ((unsigned long *)((&boot_cpu_data)->x86_capability))))) : __builtin_constant_p((0 * 32 + 24)) ? __static_cpu_has((0 * 32 + 24)) : (__builtin_constant_p((0 * 32 + 24)) && (((((0 * 32 + 24)) >> 5) == 0 && (1UL << (((0 * 32 + 24)) & 31) & ((1 << ((0 * 32 + 0) & 31)) | 0 | 0 | (1 << ((0 * 32 + 6) & 31)) | (1 << ((0 * 32 + 8) & 31)) | 0 | 0 | (1 << ((0 * 32 + 15) & 31)) | 0 | 0))) || ((((0 * 32 + 24)) >> 5) == 1 && (1UL << (((0 * 32 + 24)) & 31) & (0 | 0))) || ((((0 * 32 + 24)) >> 5) == 2 && (1UL << (((0 * 32 + 24)) & 31) & 0)) || ((((0 * 32 + 24)) >> 5) == 3 && (1UL << (((0 * 32 + 24)) & 31) & (0))) || ((((0 * 32 + 24)) >> 5) == 4 && (1UL << (((0 * 32 + 24)) & 31) & 0)) || ((((0 * 32 + 24)) >> 5) == 5 && (1UL << (((0 * 32 + 24)) & 31) & 0)) || ((((0 * 32 + 24)) >> 5) == 6 && (1UL << (((0 * 32 + 24)) & 31) & 0)) || ((((0 * 32 + 24)) >> 5) == 7 && (1UL << (((0 * 32 + 24)) & 31) & 0)) || ((((0 * 32 + 24)) >> 5) == 8 && (1UL << (((0 * 32 + 24)) & 31) & 0)) || ((((0 * 32 + 24)) >> 5) == 9 && (1UL << (((0 * 32 + 24)) & 31) & 0))) ? 1 : (__builtin_constant_p(((0 * 32 + 24))) ? constant_test_bit(((0 * 32 + 24)), ((unsigned long *)((&boot_cpu_data)->x86_capability))) : variable_test_bit(((0 * 32 + 24)), ((unsigned long *)((&boot_cpu_data)->x86_capability)))))); | |
172 | } | |
173 | ||
174 | static inline __attribute__ ((always_inline)) | |
175 | void fpu_save_init(struct fpu *fpu) | |
176 | { | |
177 | if (__builtin_constant_p(use_xsave())? !!use_xsave() : !!use_xsave()) { | |
178 | if (__builtin_constant_p | |
179 | (((!(fpu->state->xsave.xsave_hdr. | |
180 | xstate_bv & 0x1)))) ? ! !((!(fpu->state->xsave. | |
181 | xsave_hdr. | |
182 | xstate_bv & 0x1))) : ( { | |
183 | ! !((!(fpu->state->xsave.xsave_hdr.xstate_bv & 0x1)));} | |
184 | )) | |
185 | return; | |
186 | } else if (!!use_fxsr()) { | |
187 | } | |
188 | if (__builtin_constant_p | |
189 | ((((__builtin_constant_p(fpu->state->fxsave.swd & (1 << 7)) ? | |
190 | ! !(fpu->state->fxsave.swd & (1 << 7)) : ( { | |
191 | __builtin_expect(! ! | |
192 | (fpu-> | |
193 | state-> | |
194 | fxsave. | |
195 | swd | |
196 | & (1 | |
197 | << | |
198 | 7)), | |
199 | 1);} | |
200 | )))))? | |
201 | ! !(((__builtin_constant_p(fpu->state->fxsave.swd & (1 << 7)) ? | |
202 | ! !(fpu->state->fxsave.swd & (1 << 7)) : ( { | |
203 | __builtin_expect(! ! | |
204 | (fpu-> | |
205 | state-> | |
206 | fxsave. | |
207 | swd | |
208 | & | |
209 | (1 | |
210 | << | |
211 | 7)), | |
212 | 1);} | |
213 | )))): ( { | |
214 | int ______r; | |
215 | ______r = | |
216 | ! !(((__builtin_constant_p(fpu->state->fxsave.swd & (1 << 7)) | |
217 | ? ! !(fpu->state->fxsave.swd & (1 << 7)) : ( { | |
218 | ______r = | |
219 | __builtin_expect | |
220 | (! ! | |
221 | (fpu-> | |
222 | state-> | |
223 | fxsave. | |
224 | swd & (1 | |
225 | << | |
226 | 7)), | |
227 | 1);} | |
228 | ))));} | |
229 | )) | |
230 | asm volatile ("fnclex"); | |
231 | } | |
232 | ||
233 | static | |
234 | __attribute__ ((always_inline)) | |
235 | void __save_init_fpu(void) | |
236 | { | |
237 | fpu_save_init(0); | |
238 | } | |
239 | ||
240 | static __attribute__ ((always_inline)) | |
241 | void kernel_fpu_begin(void) | |
242 | { | |
243 | __save_init_fpu(); | |
244 | } | |
245 | ||
246 | static void aes_decrypt(struct crypto_tfm *tfm) | |
247 | { | |
248 | struct crypto_aes_ctx *ctx = aes_ctx(crypto_tfm_ctx(tfm)); | |
249 | if (!!!irq_fpu_usable()) | |
250 | crypto_aes_decrypt_x86(ctx); | |
251 | else | |
252 | kernel_fpu_begin(); | |
253 | } | |
254 | ||
255 | static struct crypto_alg aesni_alg = { | |
256 | .cra_list = { | |
257 | &aesni_alg.cra_list, | |
258 | &aesni_alg.cra_list} | |
259 | ,.cra_u = { | |
260 | .cipher = { | |
261 | .cia_decrypt = aes_decrypt} | |
262 | } | |
263 | }; | |
264 | ||
265 | static struct crypto_alg blk_ecb_alg = { | |
266 | .cra_list = { | |
267 | &blk_ecb_alg.cra_list, | |
268 | &blk_ecb_alg.cra_list} | |
269 | }; | |
270 | ||
271 | static struct crypto_alg ablk_ecb_alg = { | |
272 | .cra_list = { | |
273 | & | |
274 | ablk_ecb_alg. | |
275 | cra_list, | |
276 | & | |
277 | ablk_ecb_alg. | |
278 | cra_list} | |
279 | }; | |
280 | ||
281 | static struct crypto_alg ablk_cbc_alg = { | |
282 | .cra_list = { | |
283 | & | |
284 | ablk_cbc_alg. | |
285 | cra_list, | |
286 | & | |
287 | ablk_cbc_alg. | |
288 | cra_list} | |
289 | }; | |
290 | ||
291 | static struct crypto_alg ablk_pcbc_alg = { | |
292 | .cra_list = { | |
293 | & | |
294 | ablk_pcbc_alg. | |
295 | cra_list, | |
296 | & | |
297 | ablk_pcbc_alg. | |
298 | cra_list} | |
299 | }; | |
300 | ||
301 | int | |
302 | aesni_init(void) | |
303 | { | |
304 | if (!!crypto_register_alg(&aesni_alg)) | |
305 | crypto_unregister_alg(&ablk_ecb_alg); | |
306 | } |