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Merge branch 'core-locking-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
[linux-2.6-block.git] / crypto / tcrypt.c
CommitLineData
ef2736fc 1/*
1da177e4
LT		 2 * Quick & dirty crypto testing module.
3 *
4 * This will only exist until we have a better testing mechanism
5 * (e.g. a char device).
6 *
7 * Copyright (c) 2002 James Morris <jmorris@intercode.com.au>
8 * Copyright (c) 2002 Jean-Francois Dive <jef@linuxbe.org>
e3a4ea4f 9 * Copyright (c) 2007 Nokia Siemens Networks
1da177e4 10 *
69435b94
AH		 11 * Updated RFC4106 AES-GCM testing.
12 * Authors: Aidan O'Mahony (aidan.o.mahony@intel.com)
13 * Adrian Hoban <adrian.hoban@intel.com>
14 * Gabriele Paoloni <gabriele.paoloni@intel.com>
15 * Tadeusz Struk (tadeusz.struk@intel.com)
16 * Copyright (c) 2010, Intel Corporation.
17 *
1da177e4
LT		 18 * This program is free software; you can redistribute it and/or modify it
19 * under the terms of the GNU General Public License as published by the Free
ef2736fc 20 * Software Foundation; either version 2 of the License, or (at your option)
1da177e4
LT		 21 * any later version.
22 *
1da177e4
LT		 23 */
24
18e33e6d 25#include <crypto/hash.h>
cba83564 26#include <linux/err.h>
1da177e4 27#include <linux/init.h>
5a0e3ad6 28#include <linux/gfp.h>
1da177e4 29#include <linux/module.h>
378f058c 30#include <linux/scatterlist.h>
1da177e4 31#include <linux/string.h>
1da177e4 32#include <linux/moduleparam.h>
ebfd9bcf 33#include <linux/jiffies.h>
6a17944c
HX		 34#include <linux/timex.h>
35#include <linux/interrupt.h>
1da177e4 36#include "tcrypt.h"
4e033a6b 37#include "internal.h"
1da177e4
LT		 38
39/*
f139cfa7 40 * Need slab memory for testing (size in number of pages).
1da177e4 41 */
f139cfa7 42#define TVMEMSIZE 4
1da177e4
LT		 43
44/*
da7f033d 45* Used by test_cipher_speed()
1da177e4
LT		 46*/
47#define ENCRYPT 1
48#define DECRYPT 0
1da177e4 49
ebfd9bcf
HW		 50/*
51 * Used by test_cipher_speed()
52 */
6a17944c 53static unsigned int sec;
ebfd9bcf 54
a873a5f1
SK		 55static char *alg = NULL;
56static u32 type;
7be380f7 57static u32 mask;
1da177e4 58static int mode;
f139cfa7 59static char *tvmem[TVMEMSIZE];
1da177e4
LT		 60
61static char *check[] = {
cd12fb90
JL		 62 "des", "md5", "des3_ede", "rot13", "sha1", "sha224", "sha256",
63 "blowfish", "twofish", "serpent", "sha384", "sha512", "md4", "aes",
64 "cast6", "arc4", "michael_mic", "deflate", "crc32c", "tea", "xtea",
90831639 65 "khazad", "wp512", "wp384", "wp256", "tnepres", "xeta", "fcrypt",
2998db37 66 "camellia", "seed", "salsa20", "rmd128", "rmd160", "rmd256", "rmd320",
0c01aed5 67 "lzo", "cts", "zlib", NULL
1da177e4
LT		 68};
69
f139cfa7
HX		 70static int test_cipher_jiffies(struct blkcipher_desc *desc, int enc,
71 struct scatterlist *sg, int blen, int sec)
6a17944c 72{
6a17944c
HX		 73 unsigned long start, end;
74 int bcount;
75 int ret;
76
6a17944c
HX		 77 for (start = jiffies, end = start + sec * HZ, bcount = 0;
78 time_before(jiffies, end); bcount++) {
79 if (enc)
cba83564 80 ret = crypto_blkcipher_encrypt(desc, sg, sg, blen);
6a17944c 81 else
cba83564 82 ret = crypto_blkcipher_decrypt(desc, sg, sg, blen);
6a17944c
HX		 83
84 if (ret)
85 return ret;
86 }
87
88 printk("%d operations in %d seconds (%ld bytes)\n",
89 bcount, sec, (long)bcount * blen);
90 return 0;
91}
92
f139cfa7
HX		 93static int test_cipher_cycles(struct blkcipher_desc *desc, int enc,
94 struct scatterlist *sg, int blen)
6a17944c 95{
6a17944c
HX		 96 unsigned long cycles = 0;
97 int ret = 0;
98 int i;
99
6a17944c
HX		 100 local_bh_disable();
101 local_irq_disable();
102
103 /* Warm-up run. */
104 for (i = 0; i < 4; i++) {
105 if (enc)
cba83564 106 ret = crypto_blkcipher_encrypt(desc, sg, sg, blen);
6a17944c 107 else
cba83564 108 ret = crypto_blkcipher_decrypt(desc, sg, sg, blen);
6a17944c
HX		 109
110 if (ret)
111 goto out;
112 }
113
114 /* The real thing. */
115 for (i = 0; i < 8; i++) {
116 cycles_t start, end;
117
118 start = get_cycles();
119 if (enc)
cba83564 120 ret = crypto_blkcipher_encrypt(desc, sg, sg, blen);
6a17944c 121 else
cba83564 122 ret = crypto_blkcipher_decrypt(desc, sg, sg, blen);
6a17944c
HX		 123 end = get_cycles();
124
125 if (ret)
126 goto out;
127
128 cycles += end - start;
129 }
130
131out:
132 local_irq_enable();
133 local_bh_enable();
134
135 if (ret == 0)
136 printk("1 operation in %lu cycles (%d bytes)\n",
137 (cycles + 4) / 8, blen);
138
139 return ret;
140}
141
d5dc3927
SS		 142static u32 block_sizes[] = { 16, 64, 256, 1024, 8192, 0 };
143
01b32324 144static void test_cipher_speed(const char *algo, int enc, unsigned int sec,
da7f033d 145 struct cipher_speed_template *template,
d5dc3927 146 unsigned int tcount, u8 *keysize)
ebfd9bcf 147{
dce907c0 148 unsigned int ret, i, j, iv_len;
f07ef1de
DS		 149 const char *key;
150 char iv[128];
cba83564
HX		 151 struct crypto_blkcipher *tfm;
152 struct blkcipher_desc desc;
153 const char *e;
d5dc3927 154 u32 *b_size;
ebfd9bcf
HW		 155
156 if (enc == ENCRYPT)
157 e = "encryption";
158 else
159 e = "decryption";
ebfd9bcf 160
cba83564 161 printk("\ntesting speed of %s %s\n", algo, e);
ebfd9bcf 162
cba83564 163 tfm = crypto_alloc_blkcipher(algo, 0, CRYPTO_ALG_ASYNC);
ebfd9bcf 164
cba83564
HX		 165 if (IS_ERR(tfm)) {
166 printk("failed to load transform for %s: %ld\n", algo,
167 PTR_ERR(tfm));
ebfd9bcf
HW		 168 return;
169 }
cba83564
HX		 170 desc.tfm = tfm;
171 desc.flags = 0;
ebfd9bcf 172
d5dc3927
SS		 173 i = 0;
174 do {
ebfd9bcf 175
d5dc3927
SS		 176 b_size = block_sizes;
177 do {
f139cfa7 178 struct scatterlist sg[TVMEMSIZE];
ebfd9bcf 179
f139cfa7
HX		 180 if ((*keysize + *b_size) > TVMEMSIZE * PAGE_SIZE) {
181 printk("template (%u) too big for "
182 "tvmem (%lu)\n", *keysize + *b_size,
183 TVMEMSIZE * PAGE_SIZE);
d5dc3927
SS		 184 goto out;
185 }
ebfd9bcf 186
d5dc3927
SS		 187 printk("test %u (%d bit key, %d byte blocks): ", i,
188 *keysize * 8, *b_size);
189
f139cfa7 190 memset(tvmem[0], 0xff, PAGE_SIZE);
d5dc3927
SS		 191
192 /* set key, plain text and IV */
da7f033d 193 key = tvmem[0];
d5dc3927
SS		 194 for (j = 0; j < tcount; j++) {
195 if (template[j].klen == *keysize) {
196 key = template[j].key;
197 break;
198 }
dce907c0 199 }
ebfd9bcf 200
d5dc3927
SS		 201 ret = crypto_blkcipher_setkey(tfm, key, *keysize);
202 if (ret) {
203 printk("setkey() failed flags=%x\n",
204 crypto_blkcipher_get_flags(tfm));
205 goto out;
206 }
ebfd9bcf 207
f139cfa7
HX		 208 sg_init_table(sg, TVMEMSIZE);
209 sg_set_buf(sg, tvmem[0] + *keysize,
210 PAGE_SIZE - *keysize);
211 for (j = 1; j < TVMEMSIZE; j++) {
212 sg_set_buf(sg + j, tvmem[j], PAGE_SIZE);
213 memset (tvmem[j], 0xff, PAGE_SIZE);
214 }
215
d5dc3927
SS		 216 iv_len = crypto_blkcipher_ivsize(tfm);
217 if (iv_len) {
218 memset(&iv, 0xff, iv_len);
219 crypto_blkcipher_set_iv(tfm, iv, iv_len);
220 }
ebfd9bcf 221
d5dc3927 222 if (sec)
f139cfa7
HX		 223 ret = test_cipher_jiffies(&desc, enc, sg,
224 *b_size, sec);
d5dc3927 225 else
f139cfa7
HX		 226 ret = test_cipher_cycles(&desc, enc, sg,
227 *b_size);
ebfd9bcf 228
d5dc3927
SS		 229 if (ret) {
230 printk("%s() failed flags=%x\n", e, desc.flags);
231 break;
232 }
233 b_size++;
234 i++;
235 } while (*b_size);
236 keysize++;
237 } while (*keysize);
ebfd9bcf
HW		 238
239out:
cba83564 240 crypto_free_blkcipher(tfm);
ebfd9bcf
HW		 241}
242
f139cfa7
HX		 243static int test_hash_jiffies_digest(struct hash_desc *desc,
244 struct scatterlist *sg, int blen,
e9d41164
HX		 245 char *out, int sec)
246{
e9d41164
HX		 247 unsigned long start, end;
248 int bcount;
249 int ret;
250
251 for (start = jiffies, end = start + sec * HZ, bcount = 0;
252 time_before(jiffies, end); bcount++) {
e9d41164
HX		 253 ret = crypto_hash_digest(desc, sg, blen, out);
254 if (ret)
255 return ret;
256 }
257
258 printk("%6u opers/sec, %9lu bytes/sec\n",
259 bcount / sec, ((long)bcount * blen) / sec);
260
261 return 0;
262}
263
f139cfa7
HX		 264static int test_hash_jiffies(struct hash_desc *desc, struct scatterlist *sg,
265 int blen, int plen, char *out, int sec)
e8057928 266{
e8057928
ML		 267 unsigned long start, end;
268 int bcount, pcount;
e9d41164
HX		 269 int ret;
270
271 if (plen == blen)
f139cfa7 272 return test_hash_jiffies_digest(desc, sg, blen, out, sec);
a5a613a4 273
e8057928
ML		 274 for (start = jiffies, end = start + sec * HZ, bcount = 0;
275 time_before(jiffies, end); bcount++) {
e9d41164
HX		 276 ret = crypto_hash_init(desc);
277 if (ret)
278 return ret;
e8057928 279 for (pcount = 0; pcount < blen; pcount += plen) {
e9d41164
HX		 280 ret = crypto_hash_update(desc, sg, plen);
281 if (ret)
282 return ret;
e8057928
ML		 283 }
284 /* we assume there is enough space in 'out' for the result */
e9d41164
HX		 285 ret = crypto_hash_final(desc, out);
286 if (ret)
287 return ret;
e8057928
ML		 288 }
289
290 printk("%6u opers/sec, %9lu bytes/sec\n",
291 bcount / sec, ((long)bcount * blen) / sec);
292
e9d41164
HX		 293 return 0;
294}
295
f139cfa7
HX		 296static int test_hash_cycles_digest(struct hash_desc *desc,
297 struct scatterlist *sg, int blen, char *out)
e9d41164 298{
e9d41164
HX		 299 unsigned long cycles = 0;
300 int i;
301 int ret;
302
303 local_bh_disable();
304 local_irq_disable();
305
306 /* Warm-up run. */
307 for (i = 0; i < 4; i++) {
e9d41164
HX		 308 ret = crypto_hash_digest(desc, sg, blen, out);
309 if (ret)
310 goto out;
311 }
312
313 /* The real thing. */
314 for (i = 0; i < 8; i++) {
315 cycles_t start, end;
316
317 start = get_cycles();
318
e9d41164
HX		 319 ret = crypto_hash_digest(desc, sg, blen, out);
320 if (ret)
321 goto out;
322
323 end = get_cycles();
324
325 cycles += end - start;
326 }
327
328out:
329 local_irq_enable();
330 local_bh_enable();
331
332 if (ret)
333 return ret;
334
335 printk("%6lu cycles/operation, %4lu cycles/byte\n",
336 cycles / 8, cycles / (8 * blen));
337
338 return 0;
e8057928
ML		 339}
340
f139cfa7
HX		 341static int test_hash_cycles(struct hash_desc *desc, struct scatterlist *sg,
342 int blen, int plen, char *out)
e8057928 343{
e8057928
ML		 344 unsigned long cycles = 0;
345 int i, pcount;
e9d41164
HX		 346 int ret;
347
348 if (plen == blen)
f139cfa7 349 return test_hash_cycles_digest(desc, sg, blen, out);
a5a613a4 350
e8057928
ML		 351 local_bh_disable();
352 local_irq_disable();
353
354 /* Warm-up run. */
355 for (i = 0; i < 4; i++) {
e9d41164
HX		 356 ret = crypto_hash_init(desc);
357 if (ret)
358 goto out;
e8057928 359 for (pcount = 0; pcount < blen; pcount += plen) {
e9d41164
HX		 360 ret = crypto_hash_update(desc, sg, plen);
361 if (ret)
362 goto out;
e8057928 363 }
29059d12 364 ret = crypto_hash_final(desc, out);
e9d41164
HX		 365 if (ret)
366 goto out;
e8057928
ML		 367 }
368
369 /* The real thing. */
370 for (i = 0; i < 8; i++) {
371 cycles_t start, end;
372
e8057928
ML		 373 start = get_cycles();
374
e9d41164
HX		 375 ret = crypto_hash_init(desc);
376 if (ret)
377 goto out;
e8057928 378 for (pcount = 0; pcount < blen; pcount += plen) {
e9d41164
HX		 379 ret = crypto_hash_update(desc, sg, plen);
380 if (ret)
381 goto out;
e8057928 382 }
e9d41164
HX		 383 ret = crypto_hash_final(desc, out);
384 if (ret)
385 goto out;
e8057928
ML		 386
387 end = get_cycles();
388
389 cycles += end - start;
390 }
391
e9d41164 392out:
e8057928
ML		 393 local_irq_enable();
394 local_bh_enable();
395
e9d41164
HX		 396 if (ret)
397 return ret;
398
e8057928
ML		 399 printk("%6lu cycles/operation, %4lu cycles/byte\n",
400 cycles / 8, cycles / (8 * blen));
401
e9d41164 402 return 0;
e8057928
ML		 403}
404
beb63da7
DM		 405static void test_hash_sg_init(struct scatterlist *sg)
406{
407 int i;
408
409 sg_init_table(sg, TVMEMSIZE);
410 for (i = 0; i < TVMEMSIZE; i++) {
411 sg_set_buf(sg + i, tvmem[i], PAGE_SIZE);
412 memset(tvmem[i], 0xff, PAGE_SIZE);
413 }
414}
415
01b32324
HX		 416static void test_hash_speed(const char *algo, unsigned int sec,
417 struct hash_speed *speed)
e8057928 418{
f139cfa7 419 struct scatterlist sg[TVMEMSIZE];
e9d41164
HX		 420 struct crypto_hash *tfm;
421 struct hash_desc desc;
376bacb0 422 static char output[1024];
e8057928 423 int i;
e9d41164 424 int ret;
e8057928 425
376bacb0 426 printk(KERN_INFO "\ntesting speed of %s\n", algo);
e8057928 427
e9d41164 428 tfm = crypto_alloc_hash(algo, 0, CRYPTO_ALG_ASYNC);
e8057928 429
e9d41164 430 if (IS_ERR(tfm)) {
376bacb0 431 printk(KERN_ERR "failed to load transform for %s: %ld\n", algo,
e9d41164 432 PTR_ERR(tfm));
e8057928
ML		 433 return;
434 }
435
e9d41164
HX		 436 desc.tfm = tfm;
437 desc.flags = 0;
438
439 if (crypto_hash_digestsize(tfm) > sizeof(output)) {
376bacb0 440 printk(KERN_ERR "digestsize(%u) > outputbuffer(%zu)\n",
e9d41164 441 crypto_hash_digestsize(tfm), sizeof(output));
e8057928
ML		 442 goto out;
443 }
444
beb63da7 445 test_hash_sg_init(sg);
e8057928 446 for (i = 0; speed[i].blen != 0; i++) {
f139cfa7 447 if (speed[i].blen > TVMEMSIZE * PAGE_SIZE) {
376bacb0
FS		 448 printk(KERN_ERR
449 "template (%u) too big for tvmem (%lu)\n",
f139cfa7 450 speed[i].blen, TVMEMSIZE * PAGE_SIZE);
e8057928
ML		 451 goto out;
452 }
453
18bcc919
HY		 454 if (speed[i].klen)
455 crypto_hash_setkey(tfm, tvmem[0], speed[i].klen);
456
376bacb0
FS		 457 printk(KERN_INFO "test%3u "
458 "(%5u byte blocks,%5u bytes per update,%4u updates): ",
e8057928
ML		 459 i, speed[i].blen, speed[i].plen, speed[i].blen / speed[i].plen);
460
e8057928 461 if (sec)
f139cfa7 462 ret = test_hash_jiffies(&desc, sg, speed[i].blen,
e9d41164 463 speed[i].plen, output, sec);
e8057928 464 else
f139cfa7 465 ret = test_hash_cycles(&desc, sg, speed[i].blen,
e9d41164
HX		 466 speed[i].plen, output);
467
468 if (ret) {
376bacb0 469 printk(KERN_ERR "hashing failed ret=%d\n", ret);
e9d41164
HX		 470 break;
471 }
e8057928
ML		 472 }
473
474out:
e9d41164 475 crypto_free_hash(tfm);
e8057928
ML		 476}
477
beb63da7
DM		 478struct tcrypt_result {
479 struct completion completion;
480 int err;
481};
482
483static void tcrypt_complete(struct crypto_async_request *req, int err)
484{
485 struct tcrypt_result *res = req->data;
486
487 if (err == -EINPROGRESS)
488 return;
489
490 res->err = err;
491 complete(&res->completion);
492}
493
494static inline int do_one_ahash_op(struct ahash_request *req, int ret)
495{
496 if (ret == -EINPROGRESS || ret == -EBUSY) {
497 struct tcrypt_result *tr = req->base.data;
498
499 ret = wait_for_completion_interruptible(&tr->completion);
500 if (!ret)
501 ret = tr->err;
502 INIT_COMPLETION(tr->completion);
503 }
504 return ret;
505}
506
507static int test_ahash_jiffies_digest(struct ahash_request *req, int blen,
508 char *out, int sec)
509{
510 unsigned long start, end;
511 int bcount;
512 int ret;
513
514 for (start = jiffies, end = start + sec * HZ, bcount = 0;
515 time_before(jiffies, end); bcount++) {
516 ret = do_one_ahash_op(req, crypto_ahash_digest(req));
517 if (ret)
518 return ret;
519 }
520
521 printk("%6u opers/sec, %9lu bytes/sec\n",
522 bcount / sec, ((long)bcount * blen) / sec);
523
524 return 0;
525}
526
527static int test_ahash_jiffies(struct ahash_request *req, int blen,
528 int plen, char *out, int sec)
529{
530 unsigned long start, end;
531 int bcount, pcount;
532 int ret;
533
534 if (plen == blen)
535 return test_ahash_jiffies_digest(req, blen, out, sec);
536
537 for (start = jiffies, end = start + sec * HZ, bcount = 0;
538 time_before(jiffies, end); bcount++) {
539 ret = crypto_ahash_init(req);
540 if (ret)
541 return ret;
542 for (pcount = 0; pcount < blen; pcount += plen) {
543 ret = do_one_ahash_op(req, crypto_ahash_update(req));
544 if (ret)
545 return ret;
546 }
547 /* we assume there is enough space in 'out' for the result */
548 ret = do_one_ahash_op(req, crypto_ahash_final(req));
549 if (ret)
550 return ret;
551 }
552
553 pr_cont("%6u opers/sec, %9lu bytes/sec\n",
554 bcount / sec, ((long)bcount * blen) / sec);
555
556 return 0;
557}
558
559static int test_ahash_cycles_digest(struct ahash_request *req, int blen,
560 char *out)
561{
562 unsigned long cycles = 0;
563 int ret, i;
564
565 /* Warm-up run. */
566 for (i = 0; i < 4; i++) {
567 ret = do_one_ahash_op(req, crypto_ahash_digest(req));
568 if (ret)
569 goto out;
570 }
571
572 /* The real thing. */
573 for (i = 0; i < 8; i++) {
574 cycles_t start, end;
575
576 start = get_cycles();
577
578 ret = do_one_ahash_op(req, crypto_ahash_digest(req));
579 if (ret)
580 goto out;
581
582 end = get_cycles();
583
584 cycles += end - start;
585 }
586
587out:
588 if (ret)
589 return ret;
590
591 pr_cont("%6lu cycles/operation, %4lu cycles/byte\n",
592 cycles / 8, cycles / (8 * blen));
593
594 return 0;
595}
596
597static int test_ahash_cycles(struct ahash_request *req, int blen,
598 int plen, char *out)
599{
600 unsigned long cycles = 0;
601 int i, pcount, ret;
602
603 if (plen == blen)
604 return test_ahash_cycles_digest(req, blen, out);
605
606 /* Warm-up run. */
607 for (i = 0; i < 4; i++) {
608 ret = crypto_ahash_init(req);
609 if (ret)
610 goto out;
611 for (pcount = 0; pcount < blen; pcount += plen) {
612 ret = do_one_ahash_op(req, crypto_ahash_update(req));
613 if (ret)
614 goto out;
615 }
616 ret = do_one_ahash_op(req, crypto_ahash_final(req));
617 if (ret)
618 goto out;
619 }
620
621 /* The real thing. */
622 for (i = 0; i < 8; i++) {
623 cycles_t start, end;
624
625 start = get_cycles();
626
627 ret = crypto_ahash_init(req);
628 if (ret)
629 goto out;
630 for (pcount = 0; pcount < blen; pcount += plen) {
631 ret = do_one_ahash_op(req, crypto_ahash_update(req));
632 if (ret)
633 goto out;
634 }
635 ret = do_one_ahash_op(req, crypto_ahash_final(req));
636 if (ret)
637 goto out;
638
639 end = get_cycles();
640
641 cycles += end - start;
642 }
643
644out:
645 if (ret)
646 return ret;
647
648 pr_cont("%6lu cycles/operation, %4lu cycles/byte\n",
649 cycles / 8, cycles / (8 * blen));
650
651 return 0;
652}
653
654static void test_ahash_speed(const char *algo, unsigned int sec,
655 struct hash_speed *speed)
656{
657 struct scatterlist sg[TVMEMSIZE];
658 struct tcrypt_result tresult;
659 struct ahash_request *req;
660 struct crypto_ahash *tfm;
661 static char output[1024];
662 int i, ret;
663
664 printk(KERN_INFO "\ntesting speed of async %s\n", algo);
665
666 tfm = crypto_alloc_ahash(algo, 0, 0);
667 if (IS_ERR(tfm)) {
668 pr_err("failed to load transform for %s: %ld\n",
669 algo, PTR_ERR(tfm));
670 return;
671 }
672
673 if (crypto_ahash_digestsize(tfm) > sizeof(output)) {
674 pr_err("digestsize(%u) > outputbuffer(%zu)\n",
675 crypto_ahash_digestsize(tfm), sizeof(output));
676 goto out;
677 }
678
679 test_hash_sg_init(sg);
680 req = ahash_request_alloc(tfm, GFP_KERNEL);
681 if (!req) {
682 pr_err("ahash request allocation failure\n");
683 goto out;
684 }
685
686 init_completion(&tresult.completion);
687 ahash_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
688 tcrypt_complete, &tresult);
689
690 for (i = 0; speed[i].blen != 0; i++) {
691 if (speed[i].blen > TVMEMSIZE * PAGE_SIZE) {
692 pr_err("template (%u) too big for tvmem (%lu)\n",
693 speed[i].blen, TVMEMSIZE * PAGE_SIZE);
694 break;
695 }
696
697 pr_info("test%3u "
698 "(%5u byte blocks,%5u bytes per update,%4u updates): ",
699 i, speed[i].blen, speed[i].plen, speed[i].blen / speed[i].plen);
700
701 ahash_request_set_crypt(req, sg, output, speed[i].plen);
702
703 if (sec)
704 ret = test_ahash_jiffies(req, speed[i].blen,
705 speed[i].plen, output, sec);
706 else
707 ret = test_ahash_cycles(req, speed[i].blen,
708 speed[i].plen, output);
709
710 if (ret) {
711 pr_err("hashing failed ret=%d\n", ret);
712 break;
713 }
714 }
715
716 ahash_request_free(req);
717
718out:
719 crypto_free_ahash(tfm);
720}
721
ef2736fc 722static void test_available(void)
1da177e4
LT		 723{
724 char **name = check;
ef2736fc 725
1da177e4
LT		 726 while (*name) {
727 printk("alg %s ", *name);
6158efc0 728 printk(crypto_has_alg(*name, 0, 0) ?
e4d5b79c 729 "found\n" : "not found\n");
1da177e4 730 name++;
ef2736fc 731 }
1da177e4
LT		 732}
733
01b32324
HX		 734static inline int tcrypt_test(const char *alg)
735{
4e033a6b
JW		 736 int ret;
737
738 ret = alg_test(alg, alg, 0, 0);
739 /* non-fips algs return -EINVAL in fips mode */
740 if (fips_enabled && ret == -EINVAL)
741 ret = 0;
742 return ret;
01b32324
HX		 743}
744
4e033a6b 745static int do_test(int m)
01b32324
HX		 746{
747 int i;
4e033a6b 748 int ret = 0;
01b32324
HX		 749
750 switch (m) {
1da177e4 751 case 0:
01b32324 752 for (i = 1; i < 200; i++)
4e033a6b 753 ret += do_test(i);
1da177e4
LT		 754 break;
755
756 case 1:
4e033a6b 757 ret += tcrypt_test("md5");
1da177e4
LT		 758 break;
759
760 case 2:
4e033a6b 761 ret += tcrypt_test("sha1");
1da177e4
LT		 762 break;
763
764 case 3:
4e033a6b
JW		 765 ret += tcrypt_test("ecb(des)");
766 ret += tcrypt_test("cbc(des)");
1da177e4
LT		 767 break;
768
769 case 4:
4e033a6b
JW		 770 ret += tcrypt_test("ecb(des3_ede)");
771 ret += tcrypt_test("cbc(des3_ede)");
1da177e4
LT		 772 break;
773
774 case 5:
4e033a6b 775 ret += tcrypt_test("md4");
1da177e4 776 break;
ef2736fc 777
1da177e4 778 case 6:
4e033a6b 779 ret += tcrypt_test("sha256");
1da177e4 780 break;
ef2736fc 781
1da177e4 782 case 7:
4e033a6b
JW		 783 ret += tcrypt_test("ecb(blowfish)");
784 ret += tcrypt_test("cbc(blowfish)");
1da177e4
LT		 785 break;
786
787 case 8:
4e033a6b
JW		 788 ret += tcrypt_test("ecb(twofish)");
789 ret += tcrypt_test("cbc(twofish)");
1da177e4 790 break;
ef2736fc 791
1da177e4 792 case 9:
4e033a6b 793 ret += tcrypt_test("ecb(serpent)");
1da177e4
LT		 794 break;
795
796 case 10:
4e033a6b
JW		 797 ret += tcrypt_test("ecb(aes)");
798 ret += tcrypt_test("cbc(aes)");
799 ret += tcrypt_test("lrw(aes)");
800 ret += tcrypt_test("xts(aes)");
801 ret += tcrypt_test("ctr(aes)");
802 ret += tcrypt_test("rfc3686(ctr(aes))");
1da177e4
LT		 803 break;
804
805 case 11:
4e033a6b 806 ret += tcrypt_test("sha384");
1da177e4 807 break;
ef2736fc 808
1da177e4 809 case 12:
4e033a6b 810 ret += tcrypt_test("sha512");
1da177e4
LT		 811 break;
812
813 case 13:
4e033a6b 814 ret += tcrypt_test("deflate");
1da177e4
LT		 815 break;
816
817 case 14:
4e033a6b 818 ret += tcrypt_test("ecb(cast5)");
1da177e4
LT		 819 break;
820
821 case 15:
4e033a6b 822 ret += tcrypt_test("ecb(cast6)");
1da177e4
LT		 823 break;
824
825 case 16:
4e033a6b 826 ret += tcrypt_test("ecb(arc4)");
1da177e4
LT		 827 break;
828
829 case 17:
4e033a6b 830 ret += tcrypt_test("michael_mic");
1da177e4
LT		 831 break;
832
833 case 18:
4e033a6b 834 ret += tcrypt_test("crc32c");
1da177e4
LT		 835 break;
836
837 case 19:
4e033a6b 838 ret += tcrypt_test("ecb(tea)");
1da177e4
LT		 839 break;
840
841 case 20:
4e033a6b 842 ret += tcrypt_test("ecb(xtea)");
1da177e4
LT		 843 break;
844
845 case 21:
4e033a6b 846 ret += tcrypt_test("ecb(khazad)");
1da177e4
LT		 847 break;
848
849 case 22:
4e033a6b 850 ret += tcrypt_test("wp512");
1da177e4
LT		 851 break;
852
853 case 23:
4e033a6b 854 ret += tcrypt_test("wp384");
1da177e4
LT		 855 break;
856
857 case 24:
4e033a6b 858 ret += tcrypt_test("wp256");
1da177e4
LT		 859 break;
860
861 case 25:
4e033a6b 862 ret += tcrypt_test("ecb(tnepres)");
1da177e4
LT		 863 break;
864
865 case 26:
4e033a6b
JW		 866 ret += tcrypt_test("ecb(anubis)");
867 ret += tcrypt_test("cbc(anubis)");
1da177e4
LT		 868 break;
869
870 case 27:
4e033a6b 871 ret += tcrypt_test("tgr192");
1da177e4
LT		 872 break;
873
874 case 28:
875
4e033a6b 876 ret += tcrypt_test("tgr160");
1da177e4
LT		 877 break;
878
879 case 29:
4e033a6b 880 ret += tcrypt_test("tgr128");
1da177e4 881 break;
2998db37 882
fb4f10ed 883 case 30:
4e033a6b 884 ret += tcrypt_test("ecb(xeta)");
fb4f10ed 885 break;
1da177e4 886
90831639 887 case 31:
4e033a6b 888 ret += tcrypt_test("pcbc(fcrypt)");
90831639
DH		 889 break;
890
02ab5a70 891 case 32:
4e033a6b
JW		 892 ret += tcrypt_test("ecb(camellia)");
893 ret += tcrypt_test("cbc(camellia)");
02ab5a70 894 break;
cd12fb90 895 case 33:
4e033a6b 896 ret += tcrypt_test("sha224");
cd12fb90 897 break;
02ab5a70 898
2407d608 899 case 34:
4e033a6b 900 ret += tcrypt_test("salsa20");
2407d608
TSH		 901 break;
902
8df213d9 903 case 35:
4e033a6b 904 ret += tcrypt_test("gcm(aes)");
8df213d9
HX		 905 break;
906
0b77abb3 907 case 36:
4e033a6b 908 ret += tcrypt_test("lzo");
0b77abb3
ZS		 909 break;
910
93cc74e0 911 case 37:
4e033a6b 912 ret += tcrypt_test("ccm(aes)");
93cc74e0
JL		 913 break;
914
76cb9521 915 case 38:
4e033a6b 916 ret += tcrypt_test("cts(cbc(aes))");
76cb9521
KC		 917 break;
918
fd4adf1a 919 case 39:
4e033a6b 920 ret += tcrypt_test("rmd128");
fd4adf1a
AKR		 921 break;
922
923 case 40:
4e033a6b 924 ret += tcrypt_test("rmd160");
fd4adf1a
AKR		 925 break;
926
2998db37 927 case 41:
4e033a6b 928 ret += tcrypt_test("rmd256");
2998db37
AKR		 929 break;
930
931 case 42:
4e033a6b 932 ret += tcrypt_test("rmd320");
01b32324
HX		 933 break;
934
935 case 43:
4e033a6b 936 ret += tcrypt_test("ecb(seed)");
2998db37
AKR		 937 break;
938
0c01aed5 939 case 44:
4e033a6b 940 ret += tcrypt_test("zlib");
0c01aed5
GU		 941 break;
942
5d667322 943 case 45:
4e033a6b 944 ret += tcrypt_test("rfc4309(ccm(aes))");
5d667322
JW		 945 break;
946
1da177e4 947 case 100:
4e033a6b 948 ret += tcrypt_test("hmac(md5)");
1da177e4 949 break;
ef2736fc 950
1da177e4 951 case 101:
4e033a6b 952 ret += tcrypt_test("hmac(sha1)");
1da177e4 953 break;
ef2736fc 954
1da177e4 955 case 102:
4e033a6b 956 ret += tcrypt_test("hmac(sha256)");
1da177e4
LT		 957 break;
958
a28091ae 959 case 103:
4e033a6b 960 ret += tcrypt_test("hmac(sha384)");
a28091ae
AD		 961 break;
962
963 case 104:
4e033a6b 964 ret += tcrypt_test("hmac(sha512)");
a28091ae 965 break;
38ed9ab2 966
cd12fb90 967 case 105:
4e033a6b 968 ret += tcrypt_test("hmac(sha224)");
cd12fb90 969 break;
1da177e4 970
38ed9ab2 971 case 106:
4e033a6b 972 ret += tcrypt_test("xcbc(aes)");
38ed9ab2
HX		 973 break;
974
fd4adf1a 975 case 107:
4e033a6b 976 ret += tcrypt_test("hmac(rmd128)");
fd4adf1a
AKR		 977 break;
978
979 case 108:
4e033a6b 980 ret += tcrypt_test("hmac(rmd160)");
fd4adf1a
AKR		 981 break;
982
f1939f7c
SW		 983 case 109:
984 ret += tcrypt_test("vmac(aes)");
985 break;
986
e08ca2da 987 case 150:
4e033a6b 988 ret += tcrypt_test("ansi_cprng");
e08ca2da
JW		 989 break;
990
69435b94
AH		 991 case 151:
992 ret += tcrypt_test("rfc4106(gcm(aes))");
993 break;
994
ebfd9bcf 995 case 200:
cba83564 996 test_cipher_speed("ecb(aes)", ENCRYPT, sec, NULL, 0,
477035c2 997 speed_template_16_24_32);
cba83564 998 test_cipher_speed("ecb(aes)", DECRYPT, sec, NULL, 0,
477035c2 999 speed_template_16_24_32);
cba83564 1000 test_cipher_speed("cbc(aes)", ENCRYPT, sec, NULL, 0,
477035c2 1001 speed_template_16_24_32);
cba83564 1002 test_cipher_speed("cbc(aes)", DECRYPT, sec, NULL, 0,
477035c2 1003 speed_template_16_24_32);
f3d1044c 1004 test_cipher_speed("lrw(aes)", ENCRYPT, sec, NULL, 0,
477035c2 1005 speed_template_32_40_48);
f3d1044c 1006 test_cipher_speed("lrw(aes)", DECRYPT, sec, NULL, 0,
477035c2 1007 speed_template_32_40_48);
f19f5111 1008 test_cipher_speed("xts(aes)", ENCRYPT, sec, NULL, 0,
477035c2 1009 speed_template_32_48_64);
f19f5111 1010 test_cipher_speed("xts(aes)", DECRYPT, sec, NULL, 0,
477035c2 1011 speed_template_32_48_64);
9996e342
JG		 1012 test_cipher_speed("ctr(aes)", ENCRYPT, sec, NULL, 0,
1013 speed_template_16_24_32);
1014 test_cipher_speed("ctr(aes)", DECRYPT, sec, NULL, 0,
1015 speed_template_16_24_32);
ebfd9bcf
HW		 1016 break;
1017
1018 case 201:
cba83564 1019 test_cipher_speed("ecb(des3_ede)", ENCRYPT, sec,
da7f033d 1020 des3_speed_template, DES3_SPEED_VECTORS,
477035c2 1021 speed_template_24);
cba83564 1022 test_cipher_speed("ecb(des3_ede)", DECRYPT, sec,
da7f033d 1023 des3_speed_template, DES3_SPEED_VECTORS,
477035c2 1024 speed_template_24);
cba83564 1025 test_cipher_speed("cbc(des3_ede)", ENCRYPT, sec,
da7f033d 1026 des3_speed_template, DES3_SPEED_VECTORS,
477035c2 1027 speed_template_24);
cba83564 1028 test_cipher_speed("cbc(des3_ede)", DECRYPT, sec,
da7f033d 1029 des3_speed_template, DES3_SPEED_VECTORS,
477035c2 1030 speed_template_24);
ebfd9bcf
HW		 1031 break;
1032
1033 case 202:
cba83564 1034 test_cipher_speed("ecb(twofish)", ENCRYPT, sec, NULL, 0,
477035c2 1035 speed_template_16_24_32);
cba83564 1036 test_cipher_speed("ecb(twofish)", DECRYPT, sec, NULL, 0,
477035c2 1037 speed_template_16_24_32);
cba83564 1038 test_cipher_speed("cbc(twofish)", ENCRYPT, sec, NULL, 0,
477035c2 1039 speed_template_16_24_32);
cba83564 1040 test_cipher_speed("cbc(twofish)", DECRYPT, sec, NULL, 0,
477035c2 1041 speed_template_16_24_32);
ebfd9bcf
HW		 1042 break;
1043
1044 case 203:
cba83564 1045 test_cipher_speed("ecb(blowfish)", ENCRYPT, sec, NULL, 0,
477035c2 1046 speed_template_8_32);
cba83564 1047 test_cipher_speed("ecb(blowfish)", DECRYPT, sec, NULL, 0,
477035c2 1048 speed_template_8_32);
cba83564 1049 test_cipher_speed("cbc(blowfish)", ENCRYPT, sec, NULL, 0,
477035c2 1050 speed_template_8_32);
cba83564 1051 test_cipher_speed("cbc(blowfish)", DECRYPT, sec, NULL, 0,
477035c2 1052 speed_template_8_32);
ebfd9bcf
HW		 1053 break;
1054
1055 case 204:
cba83564 1056 test_cipher_speed("ecb(des)", ENCRYPT, sec, NULL, 0,
477035c2 1057 speed_template_8);
cba83564 1058 test_cipher_speed("ecb(des)", DECRYPT, sec, NULL, 0,
477035c2 1059 speed_template_8);
cba83564 1060 test_cipher_speed("cbc(des)", ENCRYPT, sec, NULL, 0,
477035c2 1061 speed_template_8);
cba83564 1062 test_cipher_speed("cbc(des)", DECRYPT, sec, NULL, 0,
477035c2 1063 speed_template_8);
ebfd9bcf
HW		 1064 break;
1065
02ab5a70
NT		 1066 case 205:
1067 test_cipher_speed("ecb(camellia)", ENCRYPT, sec, NULL, 0,
477035c2 1068 speed_template_16_24_32);
02ab5a70 1069 test_cipher_speed("ecb(camellia)", DECRYPT, sec, NULL, 0,
477035c2 1070 speed_template_16_24_32);
02ab5a70 1071 test_cipher_speed("cbc(camellia)", ENCRYPT, sec, NULL, 0,
477035c2 1072 speed_template_16_24_32);
02ab5a70 1073 test_cipher_speed("cbc(camellia)", DECRYPT, sec, NULL, 0,
477035c2 1074 speed_template_16_24_32);
02ab5a70
NT		 1075 break;
1076
5de8f1b5
TSH		 1077 case 206:
1078 test_cipher_speed("salsa20", ENCRYPT, sec, NULL, 0,
477035c2 1079 speed_template_16_32);
5de8f1b5
TSH		 1080 break;
1081
e8057928
ML		 1082 case 300:
1083 /* fall through */
1084
1085 case 301:
e9d41164 1086 test_hash_speed("md4", sec, generic_hash_speed_template);
e8057928
ML		 1087 if (mode > 300 && mode < 400) break;
1088
1089 case 302:
e9d41164 1090 test_hash_speed("md5", sec, generic_hash_speed_template);
e8057928
ML		 1091 if (mode > 300 && mode < 400) break;
1092
1093 case 303:
e9d41164 1094 test_hash_speed("sha1", sec, generic_hash_speed_template);
e8057928
ML		 1095 if (mode > 300 && mode < 400) break;
1096
1097 case 304:
e9d41164 1098 test_hash_speed("sha256", sec, generic_hash_speed_template);
e8057928
ML		 1099 if (mode > 300 && mode < 400) break;
1100
1101 case 305:
e9d41164 1102 test_hash_speed("sha384", sec, generic_hash_speed_template);
e8057928
ML		 1103 if (mode > 300 && mode < 400) break;
1104
1105 case 306:
e9d41164 1106 test_hash_speed("sha512", sec, generic_hash_speed_template);
e8057928
ML		 1107 if (mode > 300 && mode < 400) break;
1108
1109 case 307:
e9d41164 1110 test_hash_speed("wp256", sec, generic_hash_speed_template);
e8057928
ML		 1111 if (mode > 300 && mode < 400) break;
1112
1113 case 308:
e9d41164 1114 test_hash_speed("wp384", sec, generic_hash_speed_template);
e8057928
ML		 1115 if (mode > 300 && mode < 400) break;
1116
1117 case 309:
e9d41164 1118 test_hash_speed("wp512", sec, generic_hash_speed_template);
e8057928
ML		 1119 if (mode > 300 && mode < 400) break;
1120
1121 case 310:
e9d41164 1122 test_hash_speed("tgr128", sec, generic_hash_speed_template);
e8057928
ML		 1123 if (mode > 300 && mode < 400) break;
1124
1125 case 311:
e9d41164 1126 test_hash_speed("tgr160", sec, generic_hash_speed_template);
e8057928
ML		 1127 if (mode > 300 && mode < 400) break;
1128
1129 case 312:
e9d41164 1130 test_hash_speed("tgr192", sec, generic_hash_speed_template);
e8057928
ML		 1131 if (mode > 300 && mode < 400) break;
1132
cd12fb90
JL		 1133 case 313:
1134 test_hash_speed("sha224", sec, generic_hash_speed_template);
1135 if (mode > 300 && mode < 400) break;
1136
fd4adf1a
AKR		 1137 case 314:
1138 test_hash_speed("rmd128", sec, generic_hash_speed_template);
1139 if (mode > 300 && mode < 400) break;
1140
1141 case 315:
1142 test_hash_speed("rmd160", sec, generic_hash_speed_template);
1143 if (mode > 300 && mode < 400) break;
1144
2998db37
AKR		 1145 case 316:
1146 test_hash_speed("rmd256", sec, generic_hash_speed_template);
1147 if (mode > 300 && mode < 400) break;
1148
1149 case 317:
1150 test_hash_speed("rmd320", sec, generic_hash_speed_template);
1151 if (mode > 300 && mode < 400) break;
1152
18bcc919
HY		 1153 case 318:
1154 test_hash_speed("ghash-generic", sec, hash_speed_template_16);
1155 if (mode > 300 && mode < 400) break;
1156
e8057928
ML		 1157 case 399:
1158 break;
1159
beb63da7
DM		 1160 case 400:
1161 /* fall through */
1162
1163 case 401:
1164 test_ahash_speed("md4", sec, generic_hash_speed_template);
1165 if (mode > 400 && mode < 500) break;
1166
1167 case 402:
1168 test_ahash_speed("md5", sec, generic_hash_speed_template);
1169 if (mode > 400 && mode < 500) break;
1170
1171 case 403:
1172 test_ahash_speed("sha1", sec, generic_hash_speed_template);
1173 if (mode > 400 && mode < 500) break;
1174
1175 case 404:
1176 test_ahash_speed("sha256", sec, generic_hash_speed_template);
1177 if (mode > 400 && mode < 500) break;
1178
1179 case 405:
1180 test_ahash_speed("sha384", sec, generic_hash_speed_template);
1181 if (mode > 400 && mode < 500) break;
1182
1183 case 406:
1184 test_ahash_speed("sha512", sec, generic_hash_speed_template);
1185 if (mode > 400 && mode < 500) break;
1186
1187 case 407:
1188 test_ahash_speed("wp256", sec, generic_hash_speed_template);
1189 if (mode > 400 && mode < 500) break;
1190
1191 case 408:
1192 test_ahash_speed("wp384", sec, generic_hash_speed_template);
1193 if (mode > 400 && mode < 500) break;
1194
1195 case 409:
1196 test_ahash_speed("wp512", sec, generic_hash_speed_template);
1197 if (mode > 400 && mode < 500) break;
1198
1199 case 410:
1200 test_ahash_speed("tgr128", sec, generic_hash_speed_template);
1201 if (mode > 400 && mode < 500) break;
1202
1203 case 411:
1204 test_ahash_speed("tgr160", sec, generic_hash_speed_template);
1205 if (mode > 400 && mode < 500) break;
1206
1207 case 412:
1208 test_ahash_speed("tgr192", sec, generic_hash_speed_template);
1209 if (mode > 400 && mode < 500) break;
1210
1211 case 413:
1212 test_ahash_speed("sha224", sec, generic_hash_speed_template);
1213 if (mode > 400 && mode < 500) break;
1214
1215 case 414:
1216 test_ahash_speed("rmd128", sec, generic_hash_speed_template);
1217 if (mode > 400 && mode < 500) break;
1218
1219 case 415:
1220 test_ahash_speed("rmd160", sec, generic_hash_speed_template);
1221 if (mode > 400 && mode < 500) break;
1222
1223 case 416:
1224 test_ahash_speed("rmd256", sec, generic_hash_speed_template);
1225 if (mode > 400 && mode < 500) break;
1226
1227 case 417:
1228 test_ahash_speed("rmd320", sec, generic_hash_speed_template);
1229 if (mode > 400 && mode < 500) break;
1230
1231 case 499:
1232 break;
1233
1da177e4
LT		 1234 case 1000:
1235 test_available();
1236 break;
1da177e4 1237 }
4e033a6b
JW		 1238
1239 return ret;
1da177e4
LT		 1240}
1241
7be380f7 1242static int do_alg_test(const char *alg, u32 type, u32 mask)
a873a5f1 1243{
7be380f7
HX		 1244 return crypto_has_alg(alg, type, mask ?: CRYPTO_ALG_TYPE_MASK) ?
1245 0 : -ENOENT;
a873a5f1
SK		 1246}
1247
3af5b90b 1248static int __init tcrypt_mod_init(void)
1da177e4 1249{
e3a4ea4f 1250 int err = -ENOMEM;
f139cfa7 1251 int i;
e3a4ea4f 1252
f139cfa7
HX		 1253 for (i = 0; i < TVMEMSIZE; i++) {
1254 tvmem[i] = (void *)__get_free_page(GFP_KERNEL);
1255 if (!tvmem[i])
1256 goto err_free_tv;
1257 }
1da177e4 1258
a873a5f1 1259 if (alg)
7be380f7 1260 err = do_alg_test(alg, type, mask);
a873a5f1
SK		 1261 else
1262 err = do_test(mode);
1263
4e033a6b
JW		 1264 if (err) {
1265 printk(KERN_ERR "tcrypt: one or more tests failed!\n");
1266 goto err_free_tv;
1267 }
14fdf477 1268
4e033a6b
JW		 1269 /* We intentionaly return -EAGAIN to prevent keeping the module,
1270 * unless we're running in fips mode. It does all its work from
1271 * init() and doesn't offer any runtime functionality, but in
1272 * the fips case, checking for a successful load is helpful.
14fdf477
ML		 1273 * => we don't need it in the memory, do we?
1274 * -- mludvig
1275 */
4e033a6b
JW		 1276 if (!fips_enabled)
1277 err = -EAGAIN;
e3a4ea4f 1278
f139cfa7
HX		 1279err_free_tv:
1280 for (i = 0; i < TVMEMSIZE && tvmem[i]; i++)
1281 free_page((unsigned long)tvmem[i]);
e3a4ea4f
MH		 1282
1283 return err;
1da177e4
LT		 1284}
1285
1286/*
1287 * If an init function is provided, an exit function must also be provided
1288 * to allow module unload.
1289 */
3af5b90b 1290static void __exit tcrypt_mod_fini(void) { }
1da177e4 1291
3af5b90b
KB		 1292module_init(tcrypt_mod_init);
1293module_exit(tcrypt_mod_fini);
1da177e4 1294
a873a5f1
SK		 1295module_param(alg, charp, 0);
1296module_param(type, uint, 0);
7be380f7 1297module_param(mask, uint, 0);
1da177e4 1298module_param(mode, int, 0);
ebfd9bcf 1299module_param(sec, uint, 0);
6a17944c
HX		 1300MODULE_PARM_DESC(sec, "Length in seconds of speed tests "
1301 "(defaults to zero which uses CPU cycles instead)");
1da177e4
LT		 1302
1303MODULE_LICENSE("GPL");
1304MODULE_DESCRIPTION("Quick & dirty crypto testing module");
1305MODULE_AUTHOR("James Morris <jmorris@intercode.com.au>");
Linux 6.x block layer and io_uring tree(s)