Make it work on opensolaris
[fio.git] / verify.c
CommitLineData
e29d1b70
JA
1/*
2 * IO verification helpers
3 */
4#include <unistd.h>
5#include <fcntl.h>
6#include <string.h>
97af62ce 7#include <assert.h>
e29d1b70
JA
8
9#include "fio.h"
e29d1b70 10
eef6eea1
JA
11#include "crc/md5.h"
12#include "crc/crc64.h"
13#include "crc/crc32.h"
14#include "crc/crc16.h"
15#include "crc/crc7.h"
16#include "crc/sha256.h"
17#include "crc/sha512.h"
cd14cc10 18
90059d65 19static void fill_random_bytes(struct thread_data *td, void *p, unsigned int len)
e29d1b70
JA
20{
21 unsigned int todo;
4c5946c6 22 int r;
e29d1b70
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23
24 while (len) {
4c5946c6 25 r = os_random_long(&td->verify_state);
e29d1b70
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26
27 /*
28 * lrand48_r seems to be broken and only fill the bottom
29 * 32-bits, even on 64-bit archs with 64-bit longs
30 */
31 todo = sizeof(r);
32 if (todo > len)
33 todo = len;
34
35 memcpy(p, &r, todo);
36
37 len -= todo;
38 p += todo;
39 }
40}
41
90059d65
JA
42static void fill_pattern(struct thread_data *td, void *p, unsigned int len)
43{
44 switch (td->o.verify_pattern_bytes) {
45 case 0:
bd6f78b2 46 dprint(FD_VERIFY, "fill random bytes len=%u\n", len);
90059d65
JA
47 fill_random_bytes(td, p, len);
48 break;
49 case 1:
bd6f78b2 50 dprint(FD_VERIFY, "fill verify pattern b=0 len=%u\n", len);
90059d65
JA
51 memset(p, td->o.verify_pattern, len);
52 break;
53 case 2:
54 case 3:
55 case 4: {
56 unsigned int pattern = td->o.verify_pattern;
57 unsigned int i = 0;
58 unsigned char c1, c2, c3, c4;
59 unsigned char *b = p;
60
bd6f78b2
JA
61 dprint(FD_VERIFY, "fill verify pattern b=%d len=%u\n",
62 td->o.verify_pattern_bytes, len);
63
90059d65
JA
64 c1 = pattern & 0xff;
65 pattern >>= 8;
66 c2 = pattern & 0xff;
67 pattern >>= 8;
68 c3 = pattern & 0xff;
69 pattern >>= 8;
70 c4 = pattern & 0xff;
71
72 while (i < len) {
73 b[i++] = c1;
74 if (i == len)
75 break;
76 b[i++] = c2;
77 if (td->o.verify_pattern_bytes == 2 || i == len)
78 continue;
79 b[i++] = c3;
80 if (td->o.verify_pattern_bytes == 3 || i == len)
81 continue;
82 b[i++] = c4;
83 }
84 break;
85 }
86 }
87}
88
4764aec9 89static void memswp(void *buf1, void *buf2, unsigned int len)
546a9142 90{
dee6de74
SL
91 char swap[200];
92
93 assert(len <= sizeof(swap));
90059d65 94
546a9142
SL
95 memcpy(&swap, buf1, len);
96 memcpy(buf1, buf2, len);
97 memcpy(buf2, &swap, len);
98}
99
e29d1b70
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100static void hexdump(void *buffer, int len)
101{
102 unsigned char *p = buffer;
103 int i;
104
105 for (i = 0; i < len; i++)
6d86144d
JA
106 log_info("%02x", p[i]);
107 log_info("\n");
e29d1b70
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108}
109
87677832
JA
110/*
111 * Prepare for seperation of verify_header and checksum header
112 */
546dfd9f 113static inline unsigned int __hdr_size(int verify_type)
87677832 114{
5921e80c 115 unsigned int len = len;
87677832 116
546dfd9f
JA
117 switch (verify_type) {
118 case VERIFY_NONE:
119 case VERIFY_NULL:
120 len = 0;
121 break;
122 case VERIFY_MD5:
123 len = sizeof(struct vhdr_md5);
124 break;
125 case VERIFY_CRC64:
126 len = sizeof(struct vhdr_crc64);
127 break;
128 case VERIFY_CRC32:
129 len = sizeof(struct vhdr_crc32);
130 break;
131 case VERIFY_CRC16:
132 len = sizeof(struct vhdr_crc16);
133 break;
134 case VERIFY_CRC7:
135 len = sizeof(struct vhdr_crc7);
136 break;
137 case VERIFY_SHA256:
138 len = sizeof(struct vhdr_sha256);
139 break;
140 case VERIFY_SHA512:
141 len = sizeof(struct vhdr_sha512);
142 break;
7437ee87
SL
143 case VERIFY_META:
144 len = sizeof(struct vhdr_meta);
145 break;
546dfd9f
JA
146 default:
147 log_err("fio: unknown verify header!\n");
148 assert(0);
149 }
150
151 return len + sizeof(struct verify_header);
87677832
JA
152}
153
154static inline unsigned int hdr_size(struct verify_header *hdr)
155{
546dfd9f
JA
156 return __hdr_size(hdr->verify_type);
157}
158
159static void *hdr_priv(struct verify_header *hdr)
160{
161 void *priv = hdr;
162
163 return priv + sizeof(struct verify_header);
87677832
JA
164}
165
d9f2caf3
JA
166/*
167 * Return data area 'header_num'
168 */
169static inline void *io_u_verify_off(struct verify_header *hdr,
5ec10eaa 170 struct io_u *io_u, unsigned char header_num)
d9f2caf3 171{
87677832 172 return io_u->buf + header_num * hdr->len + hdr_size(hdr);
d9f2caf3
JA
173}
174
7437ee87 175static int verify_io_u_meta(struct verify_header *hdr, struct thread_data *td,
5ec10eaa 176 struct io_u *io_u, unsigned int header_num)
7437ee87
SL
177{
178 struct vhdr_meta *vh = hdr_priv(hdr);
179
bd6f78b2
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180 dprint(FD_VERIFY, "meta verify io_u %p, len %u\n", io_u, hdr->len);
181
7437ee87
SL
182 if (vh->offset != io_u->offset + header_num * td->o.verify_interval) {
183 log_err("meta: verify failed at %llu/%u\n",
5ec10eaa 184 io_u->offset + header_num * hdr->len, hdr->len);
d16d4e09 185 return EIO;
7437ee87
SL
186 }
187
188 return 0;
189}
190
cd14cc10
JA
191static int verify_io_u_sha512(struct verify_header *hdr, struct io_u *io_u,
192 unsigned int header_num)
193{
194 void *p = io_u_verify_off(hdr, io_u, header_num);
546dfd9f 195 struct vhdr_sha512 *vh = hdr_priv(hdr);
cd14cc10
JA
196 uint8_t sha512[128];
197 struct sha512_ctx sha512_ctx = {
198 .buf = sha512,
199 };
200
bd6f78b2
JA
201 dprint(FD_VERIFY, "sha512 verify io_u %p, len %u\n", io_u, hdr->len);
202
cd14cc10 203 sha512_init(&sha512_ctx);
87677832 204 sha512_update(&sha512_ctx, p, hdr->len - hdr_size(hdr));
cd14cc10 205
546dfd9f 206 if (memcmp(vh->sha512, sha512_ctx.buf, sizeof(sha512))) {
cd14cc10 207 log_err("sha512: verify failed at %llu/%u\n",
5ec10eaa 208 io_u->offset + header_num * hdr->len, hdr->len);
546dfd9f 209 hexdump(vh->sha512, sizeof(vh->sha512));
cd14cc10 210 hexdump(sha512_ctx.buf, sizeof(sha512));
d16d4e09 211 return EIO;
cd14cc10
JA
212 }
213
214 return 0;
215}
216
217static int verify_io_u_sha256(struct verify_header *hdr, struct io_u *io_u,
218 unsigned int header_num)
219{
220 void *p = io_u_verify_off(hdr, io_u, header_num);
546dfd9f 221 struct vhdr_sha256 *vh = hdr_priv(hdr);
cd14cc10
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222 uint8_t sha256[128];
223 struct sha256_ctx sha256_ctx = {
224 .buf = sha256,
225 };
226
bd6f78b2
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227 dprint(FD_VERIFY, "sha256 verify io_u %p, len %u\n", io_u, hdr->len);
228
cd14cc10 229 sha256_init(&sha256_ctx);
87677832 230 sha256_update(&sha256_ctx, p, hdr->len - hdr_size(hdr));
cd14cc10 231
546dfd9f 232 if (memcmp(vh->sha256, sha256_ctx.buf, sizeof(sha256))) {
cd14cc10 233 log_err("sha256: verify failed at %llu/%u\n",
5ec10eaa 234 io_u->offset + header_num * hdr->len, hdr->len);
546dfd9f 235 hexdump(vh->sha256, sizeof(vh->sha256));
cd14cc10 236 hexdump(sha256_ctx.buf, sizeof(sha256));
d16d4e09 237 return EIO;
cd14cc10
JA
238 }
239
240 return 0;
241}
242
3f9f4e26 243static int verify_io_u_crc7(struct verify_header *hdr, struct io_u *io_u,
5ec10eaa 244 unsigned char header_num)
1e154bdb 245{
d9f2caf3 246 void *p = io_u_verify_off(hdr, io_u, header_num);
546dfd9f 247 struct vhdr_crc7 *vh = hdr_priv(hdr);
1e154bdb
JA
248 unsigned char c;
249
bd6f78b2
JA
250 dprint(FD_VERIFY, "crc7 verify io_u %p, len %u\n", io_u, hdr->len);
251
87677832 252 c = crc7(p, hdr->len - hdr_size(hdr));
1e154bdb 253
546dfd9f 254 if (c != vh->crc7) {
3f9f4e26 255 log_err("crc7: verify failed at %llu/%u\n",
5ec10eaa 256 io_u->offset + header_num * hdr->len, hdr->len);
546dfd9f 257 log_err("crc7: wanted %x, got %x\n", vh->crc7, c);
d16d4e09 258 return EIO;
1e154bdb
JA
259 }
260
261 return 0;
262}
263
3f9f4e26 264static int verify_io_u_crc16(struct verify_header *hdr, struct io_u *io_u,
5ec10eaa 265 unsigned int header_num)
969f7ed3 266{
d9f2caf3 267 void *p = io_u_verify_off(hdr, io_u, header_num);
546dfd9f 268 struct vhdr_crc16 *vh = hdr_priv(hdr);
969f7ed3
JA
269 unsigned short c;
270
bd6f78b2
JA
271 dprint(FD_VERIFY, "crc16 verify io_u %p, len %u\n", io_u, hdr->len);
272
87677832 273 c = crc16(p, hdr->len - hdr_size(hdr));
969f7ed3 274
546dfd9f 275 if (c != vh->crc16) {
3f9f4e26 276 log_err("crc16: verify failed at %llu/%u\n",
5ec10eaa 277 io_u->offset + header_num * hdr->len, hdr->len);
546dfd9f 278 log_err("crc16: wanted %x, got %x\n", vh->crc16, c);
d16d4e09 279 return EIO;
969f7ed3
JA
280 }
281
282 return 0;
283}
284
3f9f4e26 285static int verify_io_u_crc64(struct verify_header *hdr, struct io_u *io_u,
5ec10eaa 286 unsigned int header_num)
d77a7af3 287{
d9f2caf3 288 void *p = io_u_verify_off(hdr, io_u, header_num);
546dfd9f 289 struct vhdr_crc64 *vh = hdr_priv(hdr);
d77a7af3
JA
290 unsigned long long c;
291
bd6f78b2
JA
292 dprint(FD_VERIFY, "crc64 verify io_u %p, len %u\n", io_u, hdr->len);
293
87677832 294 c = crc64(p, hdr->len - hdr_size(hdr));
d77a7af3 295
546dfd9f 296 if (c != vh->crc64) {
3f9f4e26
SL
297 log_err("crc64: verify failed at %llu/%u\n",
298 io_u->offset + header_num * hdr->len,
299 hdr->len);
5ec10eaa
JA
300 log_err("crc64: wanted %llx, got %llx\n",
301 (unsigned long long) vh->crc64, c);
d16d4e09 302 return EIO;
d77a7af3
JA
303 }
304
305 return 0;
306}
307
3f9f4e26 308static int verify_io_u_crc32(struct verify_header *hdr, struct io_u *io_u,
5ec10eaa 309 unsigned int header_num)
e29d1b70 310{
d9f2caf3 311 void *p = io_u_verify_off(hdr, io_u, header_num);
546dfd9f
JA
312 struct vhdr_crc32 *vh = hdr_priv(hdr);
313 uint32_t c;
e29d1b70 314
bd6f78b2
JA
315 dprint(FD_VERIFY, "crc32 verify io_u %p, len %u\n", io_u, hdr->len);
316
87677832 317 c = crc32(p, hdr->len - hdr_size(hdr));
e29d1b70 318
546dfd9f 319 if (c != vh->crc32) {
3f9f4e26 320 log_err("crc32: verify failed at %llu/%u\n",
5ec10eaa 321 io_u->offset + header_num * hdr->len, hdr->len);
546dfd9f 322 log_err("crc32: wanted %x, got %x\n", vh->crc32, c);
d16d4e09 323 return EIO;
e29d1b70
JA
324 }
325
326 return 0;
327}
328
3f9f4e26 329static int verify_io_u_md5(struct verify_header *hdr, struct io_u *io_u,
5ec10eaa 330 unsigned int header_num)
e29d1b70 331{
d9f2caf3 332 void *p = io_u_verify_off(hdr, io_u, header_num);
546dfd9f 333 struct vhdr_md5 *vh = hdr_priv(hdr);
8c432325
JA
334 uint32_t hash[MD5_HASH_WORDS];
335 struct md5_ctx md5_ctx = {
336 .hash = hash,
337 };
e29d1b70 338
bd6f78b2
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339 dprint(FD_VERIFY, "md5 verify io_u %p, len %u\n", io_u, hdr->len);
340
61f821f1 341 md5_init(&md5_ctx);
87677832 342 md5_update(&md5_ctx, p, hdr->len - hdr_size(hdr));
e29d1b70 343
546dfd9f 344 if (memcmp(vh->md5_digest, md5_ctx.hash, sizeof(hash))) {
3f9f4e26 345 log_err("md5: verify failed at %llu/%u\n",
5ec10eaa 346 io_u->offset + header_num * hdr->len, hdr->len);
546dfd9f 347 hexdump(vh->md5_digest, sizeof(vh->md5_digest));
8c432325 348 hexdump(md5_ctx.hash, sizeof(hash));
d16d4e09 349 return EIO;
e29d1b70
JA
350 }
351
352 return 0;
353}
354
3f199b01
JA
355static unsigned int hweight8(unsigned int w)
356{
357 unsigned int res = w - ((w >> 1) & 0x55);
358
359 res = (res & 0x33) + ((res >> 2) & 0x33);
360 return (res + (res >> 4)) & 0x0F;
361}
362
a944e335 363int verify_io_u_pattern(unsigned long pattern, unsigned long pattern_size,
5ec10eaa 364 char *buf, unsigned int len, unsigned int mod)
a944e335
SL
365{
366 unsigned int i;
367 char split_pattern[4];
368
369 for (i = 0; i < 4; i++) {
370 split_pattern[i] = pattern & 0xff;
371 pattern >>= 8;
372 }
373
374 for (i = 0; i < len; i++) {
3f199b01
JA
375 if (buf[i] != split_pattern[mod]) {
376 unsigned int bits;
377
378 bits = hweight8(buf[i] ^ split_pattern[mod]);
379 log_err("fio: got pattern %x, wanted %x. Bad bits %d\n",
380 buf[i], split_pattern[mod], bits);
381 log_err("fio: bad pattern block offset %u\n", i);
d16d4e09 382 return EIO;
3f199b01 383 }
a944e335
SL
384 mod++;
385 if (mod == pattern_size)
386 mod = 0;
387 }
388
389 return 0;
390}
391
36690c9b 392int verify_io_u(struct thread_data *td, struct io_u *io_u)
e29d1b70 393{
3f9f4e26 394 struct verify_header *hdr;
a944e335 395 unsigned int hdr_size, hdr_inc, hdr_num = 0;
95646108 396 void *p;
e29d1b70
JA
397 int ret;
398
1dcc0498 399 if (td->o.verify == VERIFY_NULL || io_u->ddir != DDIR_READ)
36690c9b
JA
400 return 0;
401
3f9f4e26 402 hdr_inc = io_u->buflen;
a59e170d
JA
403 if (td->o.verify_interval)
404 hdr_inc = td->o.verify_interval;
e29d1b70 405
a12a3b4d 406 ret = 0;
5ec10eaa
JA
407 for (p = io_u->buf; p < io_u->buf + io_u->buflen;
408 p += hdr_inc, hdr_num++) {
a12a3b4d
JA
409 if (ret && td->o.verify_fatal) {
410 td->terminate = 1;
411 break;
412 }
a944e335 413 hdr_size = __hdr_size(td->o.verify);
a59e170d 414 if (td->o.verify_offset)
a944e335 415 memswp(p, p + td->o.verify_offset, hdr_size);
95646108 416 hdr = p;
e29d1b70 417
3f199b01
JA
418 if (hdr->fio_magic != FIO_HDR_MAGIC) {
419 log_err("Bad verify header %x\n", hdr->fio_magic);
420 return EIO;
421 }
422
e28218f3 423 if (td->o.verify_pattern_bytes) {
bd6f78b2
JA
424 dprint(FD_VERIFY, "pattern verify io_u %p, len %u\n",
425 io_u, hdr->len);
e28218f3 426 ret = verify_io_u_pattern(td->o.verify_pattern,
5ec10eaa
JA
427 td->o.verify_pattern_bytes,
428 p + hdr_size,
429 hdr_inc - hdr_size,
430 hdr_size % 4);
e28218f3
SL
431 if (ret)
432 log_err("fio: verify failed at %llu/%u\n",
433 io_u->offset + hdr_num * hdr->len,
434 hdr->len);
435 continue;
436 }
437
3f9f4e26
SL
438 switch (hdr->verify_type) {
439 case VERIFY_MD5:
440 ret = verify_io_u_md5(hdr, io_u, hdr_num);
441 break;
442 case VERIFY_CRC64:
443 ret = verify_io_u_crc64(hdr, io_u, hdr_num);
444 break;
445 case VERIFY_CRC32:
446 ret = verify_io_u_crc32(hdr, io_u, hdr_num);
447 break;
448 case VERIFY_CRC16:
449 ret = verify_io_u_crc16(hdr, io_u, hdr_num);
450 break;
451 case VERIFY_CRC7:
452 ret = verify_io_u_crc7(hdr, io_u, hdr_num);
453 break;
cd14cc10
JA
454 case VERIFY_SHA256:
455 ret = verify_io_u_sha256(hdr, io_u, hdr_num);
456 break;
457 case VERIFY_SHA512:
458 ret = verify_io_u_sha512(hdr, io_u, hdr_num);
459 break;
7437ee87
SL
460 case VERIFY_META:
461 ret = verify_io_u_meta(hdr, td, io_u, hdr_num);
462 break;
3f9f4e26
SL
463 default:
464 log_err("Bad verify type %u\n", hdr->verify_type);
d16d4e09 465 ret = EINVAL;
3f9f4e26 466 }
3f9f4e26 467 }
a7dfe862 468
a12a3b4d 469 return ret;
e29d1b70
JA
470}
471
7437ee87 472static void fill_meta(struct verify_header *hdr, struct thread_data *td,
5ec10eaa 473 struct io_u *io_u, unsigned int header_num)
7437ee87
SL
474{
475 struct vhdr_meta *vh = hdr_priv(hdr);
476
477 vh->thread = td->thread_number;
478
479 vh->time_sec = io_u->start_time.tv_sec;
480 vh->time_usec = io_u->start_time.tv_usec;
481
482 vh->numberio = td->io_issues[DDIR_WRITE];
483
484 vh->offset = io_u->offset + header_num * td->o.verify_interval;
485}
486
cd14cc10
JA
487static void fill_sha512(struct verify_header *hdr, void *p, unsigned int len)
488{
546dfd9f 489 struct vhdr_sha512 *vh = hdr_priv(hdr);
cd14cc10 490 struct sha512_ctx sha512_ctx = {
546dfd9f 491 .buf = vh->sha512,
cd14cc10
JA
492 };
493
494 sha512_init(&sha512_ctx);
495 sha512_update(&sha512_ctx, p, len);
496}
497
498static void fill_sha256(struct verify_header *hdr, void *p, unsigned int len)
499{
546dfd9f 500 struct vhdr_sha256 *vh = hdr_priv(hdr);
cd14cc10 501 struct sha256_ctx sha256_ctx = {
546dfd9f 502 .buf = vh->sha256,
cd14cc10
JA
503 };
504
505 sha256_init(&sha256_ctx);
506 sha256_update(&sha256_ctx, p, len);
507}
508
1e154bdb
JA
509static void fill_crc7(struct verify_header *hdr, void *p, unsigned int len)
510{
546dfd9f
JA
511 struct vhdr_crc7 *vh = hdr_priv(hdr);
512
513 vh->crc7 = crc7(p, len);
1e154bdb
JA
514}
515
969f7ed3
JA
516static void fill_crc16(struct verify_header *hdr, void *p, unsigned int len)
517{
546dfd9f
JA
518 struct vhdr_crc16 *vh = hdr_priv(hdr);
519
520 vh->crc16 = crc16(p, len);
969f7ed3
JA
521}
522
e29d1b70
JA
523static void fill_crc32(struct verify_header *hdr, void *p, unsigned int len)
524{
546dfd9f
JA
525 struct vhdr_crc32 *vh = hdr_priv(hdr);
526
527 vh->crc32 = crc32(p, len);
e29d1b70
JA
528}
529
d77a7af3
JA
530static void fill_crc64(struct verify_header *hdr, void *p, unsigned int len)
531{
546dfd9f
JA
532 struct vhdr_crc64 *vh = hdr_priv(hdr);
533
534 vh->crc64 = crc64(p, len);
d77a7af3
JA
535}
536
e29d1b70
JA
537static void fill_md5(struct verify_header *hdr, void *p, unsigned int len)
538{
546dfd9f 539 struct vhdr_md5 *vh = hdr_priv(hdr);
8c432325 540 struct md5_ctx md5_ctx = {
546dfd9f 541 .hash = (uint32_t *) vh->md5_digest,
8c432325 542 };
e29d1b70 543
61f821f1 544 md5_init(&md5_ctx);
e29d1b70 545 md5_update(&md5_ctx, p, len);
e29d1b70
JA
546}
547
548/*
549 * fill body of io_u->buf with random data and add a header with the
550 * crc32 or md5 sum of that data.
551 */
552void populate_verify_io_u(struct thread_data *td, struct io_u *io_u)
553{
baefa9be 554 struct verify_header *hdr;
95646108 555 void *p = io_u->buf, *data;
7437ee87 556 unsigned int hdr_inc, data_len, header_num = 0;
e29d1b70 557
9cc3d150
JA
558 if (td->o.verify == VERIFY_NULL)
559 return;
560
90059d65 561 fill_pattern(td, p, io_u->buflen);
546a9142
SL
562
563 hdr_inc = io_u->buflen;
a59e170d
JA
564 if (td->o.verify_interval)
565 hdr_inc = td->o.verify_interval;
baefa9be 566
5ec10eaa 567 for (; p < io_u->buf + io_u->buflen; p += hdr_inc) {
95646108 568 hdr = p;
3f9f4e26
SL
569
570 hdr->fio_magic = FIO_HDR_MAGIC;
571 hdr->verify_type = td->o.verify;
546a9142 572 hdr->len = hdr_inc;
87677832 573 data_len = hdr_inc - hdr_size(hdr);
3f9f4e26 574
87677832 575 data = p + hdr_size(hdr);
3f9f4e26
SL
576 switch (td->o.verify) {
577 case VERIFY_MD5:
bd6f78b2
JA
578 dprint(FD_VERIFY, "fill md5 io_u %p, len %u\n",
579 io_u, hdr->len);
3f9f4e26
SL
580 fill_md5(hdr, data, data_len);
581 break;
582 case VERIFY_CRC64:
bd6f78b2
JA
583 dprint(FD_VERIFY, "fill crc64 io_u %p, len %u\n",
584 io_u, hdr->len);
3f9f4e26
SL
585 fill_crc64(hdr, data, data_len);
586 break;
587 case VERIFY_CRC32:
bd6f78b2
JA
588 dprint(FD_VERIFY, "fill crc32 io_u %p, len %u\n",
589 io_u, hdr->len);
3f9f4e26
SL
590 fill_crc32(hdr, data, data_len);
591 break;
592 case VERIFY_CRC16:
bd6f78b2
JA
593 dprint(FD_VERIFY, "fill crc16 io_u %p, len %u\n",
594 io_u, hdr->len);
3f9f4e26
SL
595 fill_crc16(hdr, data, data_len);
596 break;
597 case VERIFY_CRC7:
bd6f78b2
JA
598 dprint(FD_VERIFY, "fill crc7 io_u %p, len %u\n",
599 io_u, hdr->len);
3f9f4e26
SL
600 fill_crc7(hdr, data, data_len);
601 break;
cd14cc10 602 case VERIFY_SHA256:
bd6f78b2
JA
603 dprint(FD_VERIFY, "fill sha256 io_u %p, len %u\n",
604 io_u, hdr->len);
cd14cc10
JA
605 fill_sha256(hdr, data, data_len);
606 break;
607 case VERIFY_SHA512:
bd6f78b2
JA
608 dprint(FD_VERIFY, "fill sha512 io_u %p, len %u\n",
609 io_u, hdr->len);
cd14cc10
JA
610 fill_sha512(hdr, data, data_len);
611 break;
7437ee87 612 case VERIFY_META:
bd6f78b2
JA
613 dprint(FD_VERIFY, "fill meta io_u %p, len %u\n",
614 io_u, hdr->len);
7437ee87
SL
615 fill_meta(hdr, td, io_u, header_num);
616 break;
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SL
617 default:
618 log_err("fio: bad verify type: %d\n", td->o.verify);
619 assert(0);
620 }
a59e170d 621 if (td->o.verify_offset)
87677832 622 memswp(p, p + td->o.verify_offset, hdr_size(hdr));
7437ee87 623 header_num++;
e29d1b70 624 }
e29d1b70
JA
625}
626
627int get_next_verify(struct thread_data *td, struct io_u *io_u)
628{
8de8f047 629 struct io_piece *ipo = NULL;
e29d1b70 630
d2d7fa53
JA
631 /*
632 * this io_u is from a requeue, we already filled the offsets
633 */
634 if (io_u->file)
635 return 0;
636
8de8f047
JA
637 if (!RB_EMPTY_ROOT(&td->io_hist_tree)) {
638 struct rb_node *n = rb_first(&td->io_hist_tree);
e29d1b70 639
8de8f047 640 ipo = rb_entry(n, struct io_piece, rb_node);
4b87898e 641 rb_erase(n, &td->io_hist_tree);
8de8f047
JA
642 } else if (!list_empty(&td->io_hist_list)) {
643 ipo = list_entry(td->io_hist_list.next, struct io_piece, list);
644 list_del(&ipo->list);
645 }
e29d1b70 646
8de8f047 647 if (ipo) {
e29d1b70
JA
648 io_u->offset = ipo->offset;
649 io_u->buflen = ipo->len;
36167d82 650 io_u->file = ipo->file;
97af62ce
JA
651
652 if ((io_u->file->flags & FIO_FILE_OPEN) == 0) {
653 int r = td_io_open_file(td, io_u->file);
654
bd6f78b2
JA
655 if (r) {
656 dprint(FD_VERIFY, "failed file %s open\n",
657 io_u->file->file_name);
97af62ce 658 return 1;
bd6f78b2 659 }
97af62ce
JA
660 }
661
662 get_file(ipo->file);
663 assert(io_u->file->flags & FIO_FILE_OPEN);
e29d1b70 664 io_u->ddir = DDIR_READ;
36167d82
JA
665 io_u->xfer_buf = io_u->buf;
666 io_u->xfer_buflen = io_u->buflen;
e29d1b70 667 free(ipo);
bd6f78b2 668 dprint(FD_VERIFY, "get_next_verify: ret io_u %p\n", io_u);
e29d1b70
JA
669 return 0;
670 }
671
bd6f78b2 672 dprint(FD_VERIFY, "get_next_verify: empty\n");
e29d1b70
JA
673 return 1;
674}