Commit | Line | Data |
---|---|---|
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 | 19 | static 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 JA |
23 | |
24 | while (len) { | |
4c5946c6 | 25 | r = os_random_long(&td->verify_state); |
e29d1b70 JA |
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 |
42 | static void fill_pattern(struct thread_data *td, void *p, unsigned int len) |
43 | { | |
44 | switch (td->o.verify_pattern_bytes) { | |
45 | case 0: | |
46 | fill_random_bytes(td, p, len); | |
47 | break; | |
48 | case 1: | |
49 | memset(p, td->o.verify_pattern, len); | |
50 | break; | |
51 | case 2: | |
52 | case 3: | |
53 | case 4: { | |
54 | unsigned int pattern = td->o.verify_pattern; | |
55 | unsigned int i = 0; | |
56 | unsigned char c1, c2, c3, c4; | |
57 | unsigned char *b = p; | |
58 | ||
59 | c1 = pattern & 0xff; | |
60 | pattern >>= 8; | |
61 | c2 = pattern & 0xff; | |
62 | pattern >>= 8; | |
63 | c3 = pattern & 0xff; | |
64 | pattern >>= 8; | |
65 | c4 = pattern & 0xff; | |
66 | ||
67 | while (i < len) { | |
68 | b[i++] = c1; | |
69 | if (i == len) | |
70 | break; | |
71 | b[i++] = c2; | |
72 | if (td->o.verify_pattern_bytes == 2 || i == len) | |
73 | continue; | |
74 | b[i++] = c3; | |
75 | if (td->o.verify_pattern_bytes == 3 || i == len) | |
76 | continue; | |
77 | b[i++] = c4; | |
78 | } | |
79 | break; | |
80 | } | |
81 | } | |
82 | } | |
83 | ||
84 | static void memswp(void* buf1, void* buf2, unsigned int len) | |
546a9142 | 85 | { |
dee6de74 SL |
86 | char swap[200]; |
87 | ||
88 | assert(len <= sizeof(swap)); | |
90059d65 | 89 | |
546a9142 SL |
90 | memcpy(&swap, buf1, len); |
91 | memcpy(buf1, buf2, len); | |
92 | memcpy(buf2, &swap, len); | |
93 | } | |
94 | ||
e29d1b70 JA |
95 | static void hexdump(void *buffer, int len) |
96 | { | |
97 | unsigned char *p = buffer; | |
98 | int i; | |
99 | ||
100 | for (i = 0; i < len; i++) | |
6d86144d JA |
101 | log_info("%02x", p[i]); |
102 | log_info("\n"); | |
e29d1b70 JA |
103 | } |
104 | ||
87677832 JA |
105 | /* |
106 | * Prepare for seperation of verify_header and checksum header | |
107 | */ | |
546dfd9f | 108 | static inline unsigned int __hdr_size(int verify_type) |
87677832 | 109 | { |
546dfd9f | 110 | unsigned int len; |
87677832 | 111 | |
546dfd9f JA |
112 | switch (verify_type) { |
113 | case VERIFY_NONE: | |
114 | case VERIFY_NULL: | |
bfb41d98 | 115 | case VERIFY_PATTERN: |
546dfd9f JA |
116 | len = 0; |
117 | break; | |
118 | case VERIFY_MD5: | |
119 | len = sizeof(struct vhdr_md5); | |
120 | break; | |
121 | case VERIFY_CRC64: | |
122 | len = sizeof(struct vhdr_crc64); | |
123 | break; | |
124 | case VERIFY_CRC32: | |
125 | len = sizeof(struct vhdr_crc32); | |
126 | break; | |
127 | case VERIFY_CRC16: | |
128 | len = sizeof(struct vhdr_crc16); | |
129 | break; | |
130 | case VERIFY_CRC7: | |
131 | len = sizeof(struct vhdr_crc7); | |
132 | break; | |
133 | case VERIFY_SHA256: | |
134 | len = sizeof(struct vhdr_sha256); | |
135 | break; | |
136 | case VERIFY_SHA512: | |
137 | len = sizeof(struct vhdr_sha512); | |
138 | break; | |
7437ee87 SL |
139 | case VERIFY_META: |
140 | len = sizeof(struct vhdr_meta); | |
141 | break; | |
546dfd9f JA |
142 | default: |
143 | log_err("fio: unknown verify header!\n"); | |
144 | assert(0); | |
145 | } | |
146 | ||
147 | return len + sizeof(struct verify_header); | |
87677832 JA |
148 | } |
149 | ||
150 | static inline unsigned int hdr_size(struct verify_header *hdr) | |
151 | { | |
546dfd9f JA |
152 | return __hdr_size(hdr->verify_type); |
153 | } | |
154 | ||
155 | static void *hdr_priv(struct verify_header *hdr) | |
156 | { | |
157 | void *priv = hdr; | |
158 | ||
159 | return priv + sizeof(struct verify_header); | |
87677832 JA |
160 | } |
161 | ||
d9f2caf3 JA |
162 | /* |
163 | * Return data area 'header_num' | |
164 | */ | |
165 | static inline void *io_u_verify_off(struct verify_header *hdr, | |
166 | struct io_u *io_u, | |
167 | unsigned char header_num) | |
168 | { | |
87677832 | 169 | return io_u->buf + header_num * hdr->len + hdr_size(hdr); |
d9f2caf3 JA |
170 | } |
171 | ||
7437ee87 SL |
172 | static int verify_io_u_meta(struct verify_header *hdr, struct thread_data *td, |
173 | struct io_u *io_u, unsigned int header_num) | |
174 | { | |
175 | struct vhdr_meta *vh = hdr_priv(hdr); | |
176 | ||
177 | if (vh->offset != io_u->offset + header_num * td->o.verify_interval) { | |
178 | log_err("meta: verify failed at %llu/%u\n", | |
179 | io_u->offset + header_num * hdr->len, | |
180 | hdr->len); | |
181 | return 1; | |
182 | } | |
183 | ||
184 | return 0; | |
185 | } | |
186 | ||
cd14cc10 JA |
187 | static int verify_io_u_sha512(struct verify_header *hdr, struct io_u *io_u, |
188 | unsigned int header_num) | |
189 | { | |
190 | void *p = io_u_verify_off(hdr, io_u, header_num); | |
546dfd9f | 191 | struct vhdr_sha512 *vh = hdr_priv(hdr); |
cd14cc10 JA |
192 | uint8_t sha512[128]; |
193 | struct sha512_ctx sha512_ctx = { | |
194 | .buf = sha512, | |
195 | }; | |
196 | ||
197 | sha512_init(&sha512_ctx); | |
87677832 | 198 | sha512_update(&sha512_ctx, p, hdr->len - hdr_size(hdr)); |
cd14cc10 | 199 | |
546dfd9f | 200 | if (memcmp(vh->sha512, sha512_ctx.buf, sizeof(sha512))) { |
cd14cc10 JA |
201 | log_err("sha512: verify failed at %llu/%u\n", |
202 | io_u->offset + header_num * hdr->len, | |
203 | hdr->len); | |
546dfd9f | 204 | hexdump(vh->sha512, sizeof(vh->sha512)); |
cd14cc10 JA |
205 | hexdump(sha512_ctx.buf, sizeof(sha512)); |
206 | return 1; | |
207 | } | |
208 | ||
209 | return 0; | |
210 | } | |
211 | ||
212 | static int verify_io_u_sha256(struct verify_header *hdr, struct io_u *io_u, | |
213 | unsigned int header_num) | |
214 | { | |
215 | void *p = io_u_verify_off(hdr, io_u, header_num); | |
546dfd9f | 216 | struct vhdr_sha256 *vh = hdr_priv(hdr); |
cd14cc10 JA |
217 | uint8_t sha256[128]; |
218 | struct sha256_ctx sha256_ctx = { | |
219 | .buf = sha256, | |
220 | }; | |
221 | ||
222 | sha256_init(&sha256_ctx); | |
87677832 | 223 | sha256_update(&sha256_ctx, p, hdr->len - hdr_size(hdr)); |
cd14cc10 | 224 | |
546dfd9f | 225 | if (memcmp(vh->sha256, sha256_ctx.buf, sizeof(sha256))) { |
cd14cc10 JA |
226 | log_err("sha256: verify failed at %llu/%u\n", |
227 | io_u->offset + header_num * hdr->len, | |
228 | hdr->len); | |
546dfd9f | 229 | hexdump(vh->sha256, sizeof(vh->sha256)); |
cd14cc10 JA |
230 | hexdump(sha256_ctx.buf, sizeof(sha256)); |
231 | return 1; | |
232 | } | |
233 | ||
234 | return 0; | |
235 | } | |
236 | ||
3f9f4e26 SL |
237 | static int verify_io_u_crc7(struct verify_header *hdr, struct io_u *io_u, |
238 | unsigned char header_num) | |
1e154bdb | 239 | { |
d9f2caf3 | 240 | void *p = io_u_verify_off(hdr, io_u, header_num); |
546dfd9f | 241 | struct vhdr_crc7 *vh = hdr_priv(hdr); |
1e154bdb JA |
242 | unsigned char c; |
243 | ||
87677832 | 244 | c = crc7(p, hdr->len - hdr_size(hdr)); |
1e154bdb | 245 | |
546dfd9f | 246 | if (c != vh->crc7) { |
3f9f4e26 SL |
247 | log_err("crc7: verify failed at %llu/%u\n", |
248 | io_u->offset + header_num * hdr->len, | |
249 | hdr->len); | |
546dfd9f | 250 | log_err("crc7: wanted %x, got %x\n", vh->crc7, c); |
1e154bdb JA |
251 | return 1; |
252 | } | |
253 | ||
254 | return 0; | |
255 | } | |
256 | ||
3f9f4e26 SL |
257 | static int verify_io_u_crc16(struct verify_header *hdr, struct io_u *io_u, |
258 | unsigned int header_num) | |
969f7ed3 | 259 | { |
d9f2caf3 | 260 | void *p = io_u_verify_off(hdr, io_u, header_num); |
546dfd9f | 261 | struct vhdr_crc16 *vh = hdr_priv(hdr); |
969f7ed3 JA |
262 | unsigned short c; |
263 | ||
87677832 | 264 | c = crc16(p, hdr->len - hdr_size(hdr)); |
969f7ed3 | 265 | |
546dfd9f | 266 | if (c != vh->crc16) { |
3f9f4e26 SL |
267 | log_err("crc16: verify failed at %llu/%u\n", |
268 | io_u->offset + header_num * hdr->len, | |
269 | hdr->len); | |
546dfd9f | 270 | log_err("crc16: wanted %x, got %x\n", vh->crc16, c); |
969f7ed3 JA |
271 | return 1; |
272 | } | |
273 | ||
274 | return 0; | |
275 | } | |
276 | ||
3f9f4e26 SL |
277 | static int verify_io_u_crc64(struct verify_header *hdr, struct io_u *io_u, |
278 | unsigned int header_num) | |
d77a7af3 | 279 | { |
d9f2caf3 | 280 | void *p = io_u_verify_off(hdr, io_u, header_num); |
546dfd9f | 281 | struct vhdr_crc64 *vh = hdr_priv(hdr); |
d77a7af3 JA |
282 | unsigned long long c; |
283 | ||
87677832 | 284 | c = crc64(p, hdr->len - hdr_size(hdr)); |
d77a7af3 | 285 | |
546dfd9f | 286 | if (c != vh->crc64) { |
3f9f4e26 SL |
287 | log_err("crc64: verify failed at %llu/%u\n", |
288 | io_u->offset + header_num * hdr->len, | |
289 | hdr->len); | |
546dfd9f | 290 | log_err("crc64: wanted %llx, got %llx\n", (unsigned long long) vh->crc64, c); |
d77a7af3 JA |
291 | return 1; |
292 | } | |
293 | ||
294 | return 0; | |
295 | } | |
296 | ||
3f9f4e26 SL |
297 | static int verify_io_u_crc32(struct verify_header *hdr, struct io_u *io_u, |
298 | unsigned int header_num) | |
e29d1b70 | 299 | { |
d9f2caf3 | 300 | void *p = io_u_verify_off(hdr, io_u, header_num); |
546dfd9f JA |
301 | struct vhdr_crc32 *vh = hdr_priv(hdr); |
302 | uint32_t c; | |
e29d1b70 | 303 | |
87677832 | 304 | c = crc32(p, hdr->len - hdr_size(hdr)); |
e29d1b70 | 305 | |
546dfd9f | 306 | if (c != vh->crc32) { |
3f9f4e26 SL |
307 | log_err("crc32: verify failed at %llu/%u\n", |
308 | io_u->offset + header_num * hdr->len, | |
309 | hdr->len); | |
546dfd9f | 310 | log_err("crc32: wanted %x, got %x\n", vh->crc32, c); |
e29d1b70 JA |
311 | return 1; |
312 | } | |
313 | ||
314 | return 0; | |
315 | } | |
316 | ||
3f9f4e26 SL |
317 | static int verify_io_u_md5(struct verify_header *hdr, struct io_u *io_u, |
318 | unsigned int header_num) | |
e29d1b70 | 319 | { |
d9f2caf3 | 320 | void *p = io_u_verify_off(hdr, io_u, header_num); |
546dfd9f | 321 | struct vhdr_md5 *vh = hdr_priv(hdr); |
8c432325 JA |
322 | uint32_t hash[MD5_HASH_WORDS]; |
323 | struct md5_ctx md5_ctx = { | |
324 | .hash = hash, | |
325 | }; | |
e29d1b70 | 326 | |
61f821f1 | 327 | md5_init(&md5_ctx); |
87677832 | 328 | md5_update(&md5_ctx, p, hdr->len - hdr_size(hdr)); |
e29d1b70 | 329 | |
546dfd9f | 330 | if (memcmp(vh->md5_digest, md5_ctx.hash, sizeof(hash))) { |
3f9f4e26 SL |
331 | log_err("md5: verify failed at %llu/%u\n", |
332 | io_u->offset + header_num * hdr->len, | |
333 | hdr->len); | |
546dfd9f | 334 | hexdump(vh->md5_digest, sizeof(vh->md5_digest)); |
8c432325 | 335 | hexdump(md5_ctx.hash, sizeof(hash)); |
e29d1b70 JA |
336 | return 1; |
337 | } | |
338 | ||
339 | return 0; | |
340 | } | |
341 | ||
3f199b01 JA |
342 | static unsigned int hweight8(unsigned int w) |
343 | { | |
344 | unsigned int res = w - ((w >> 1) & 0x55); | |
345 | ||
346 | res = (res & 0x33) + ((res >> 2) & 0x33); | |
347 | return (res + (res >> 4)) & 0x0F; | |
348 | } | |
349 | ||
a944e335 SL |
350 | int verify_io_u_pattern(unsigned long pattern, unsigned long pattern_size, |
351 | char* buf, unsigned int len, unsigned int mod) | |
352 | { | |
353 | unsigned int i; | |
354 | char split_pattern[4]; | |
355 | ||
356 | for (i = 0; i < 4; i++) { | |
357 | split_pattern[i] = pattern & 0xff; | |
358 | pattern >>= 8; | |
359 | } | |
360 | ||
361 | for (i = 0; i < len; i++) { | |
3f199b01 JA |
362 | if (buf[i] != split_pattern[mod]) { |
363 | unsigned int bits; | |
364 | ||
365 | bits = hweight8(buf[i] ^ split_pattern[mod]); | |
366 | log_err("fio: got pattern %x, wanted %x. Bad bits %d\n", | |
367 | buf[i], split_pattern[mod], bits); | |
368 | log_err("fio: bad pattern block offset %u\n", i); | |
a944e335 | 369 | return 1; |
3f199b01 | 370 | } |
a944e335 SL |
371 | mod++; |
372 | if (mod == pattern_size) | |
373 | mod = 0; | |
374 | } | |
375 | ||
376 | return 0; | |
377 | } | |
378 | ||
36690c9b | 379 | int verify_io_u(struct thread_data *td, struct io_u *io_u) |
e29d1b70 | 380 | { |
3f9f4e26 | 381 | struct verify_header *hdr; |
a944e335 | 382 | unsigned int hdr_size, hdr_inc, hdr_num = 0; |
95646108 | 383 | void *p; |
e29d1b70 JA |
384 | int ret; |
385 | ||
1dcc0498 | 386 | if (td->o.verify == VERIFY_NULL || io_u->ddir != DDIR_READ) |
36690c9b JA |
387 | return 0; |
388 | ||
3f9f4e26 | 389 | hdr_inc = io_u->buflen; |
a59e170d JA |
390 | if (td->o.verify_interval) |
391 | hdr_inc = td->o.verify_interval; | |
e29d1b70 | 392 | |
a12a3b4d | 393 | ret = 0; |
3f199b01 | 394 | for (p = io_u->buf; p < io_u->buf + io_u->buflen; p += hdr_inc, hdr_num++) { |
a12a3b4d JA |
395 | if (ret && td->o.verify_fatal) { |
396 | td->terminate = 1; | |
397 | break; | |
398 | } | |
a944e335 | 399 | hdr_size = __hdr_size(td->o.verify); |
a59e170d | 400 | if (td->o.verify_offset) |
a944e335 | 401 | memswp(p, p + td->o.verify_offset, hdr_size); |
95646108 | 402 | hdr = p; |
e29d1b70 | 403 | |
3f199b01 JA |
404 | if (hdr->fio_magic != FIO_HDR_MAGIC) { |
405 | log_err("Bad verify header %x\n", hdr->fio_magic); | |
406 | return EIO; | |
407 | } | |
408 | ||
3f9f4e26 SL |
409 | switch (hdr->verify_type) { |
410 | case VERIFY_MD5: | |
411 | ret = verify_io_u_md5(hdr, io_u, hdr_num); | |
412 | break; | |
413 | case VERIFY_CRC64: | |
414 | ret = verify_io_u_crc64(hdr, io_u, hdr_num); | |
415 | break; | |
416 | case VERIFY_CRC32: | |
417 | ret = verify_io_u_crc32(hdr, io_u, hdr_num); | |
418 | break; | |
419 | case VERIFY_CRC16: | |
420 | ret = verify_io_u_crc16(hdr, io_u, hdr_num); | |
421 | break; | |
422 | case VERIFY_CRC7: | |
423 | ret = verify_io_u_crc7(hdr, io_u, hdr_num); | |
424 | break; | |
cd14cc10 JA |
425 | case VERIFY_SHA256: |
426 | ret = verify_io_u_sha256(hdr, io_u, hdr_num); | |
427 | break; | |
428 | case VERIFY_SHA512: | |
429 | ret = verify_io_u_sha512(hdr, io_u, hdr_num); | |
430 | break; | |
7437ee87 SL |
431 | case VERIFY_META: |
432 | ret = verify_io_u_meta(hdr, td, io_u, hdr_num); | |
433 | break; | |
bfb41d98 JA |
434 | case VERIFY_PATTERN: |
435 | ret = verify_io_u_pattern(td->o.verify_pattern, | |
436 | td->o.verify_pattern_bytes, | |
437 | p + hdr_size, | |
438 | hdr_inc - hdr_size, | |
439 | hdr_size % 4); | |
440 | if (ret) | |
441 | log_err("fio: verify failed at %llu/%u\n", | |
442 | io_u->offset + hdr_num * hdr->len, | |
443 | hdr->len); | |
444 | break; | |
3f9f4e26 SL |
445 | default: |
446 | log_err("Bad verify type %u\n", hdr->verify_type); | |
447 | ret = 1; | |
448 | } | |
3f9f4e26 | 449 | } |
a7dfe862 | 450 | |
a12a3b4d | 451 | return ret; |
e29d1b70 JA |
452 | } |
453 | ||
7437ee87 SL |
454 | static void fill_meta(struct verify_header *hdr, struct thread_data *td, |
455 | struct io_u *io_u, unsigned int header_num) | |
456 | { | |
457 | struct vhdr_meta *vh = hdr_priv(hdr); | |
458 | ||
459 | vh->thread = td->thread_number; | |
460 | ||
461 | vh->time_sec = io_u->start_time.tv_sec; | |
462 | vh->time_usec = io_u->start_time.tv_usec; | |
463 | ||
464 | vh->numberio = td->io_issues[DDIR_WRITE]; | |
465 | ||
466 | vh->offset = io_u->offset + header_num * td->o.verify_interval; | |
467 | } | |
468 | ||
cd14cc10 JA |
469 | static void fill_sha512(struct verify_header *hdr, void *p, unsigned int len) |
470 | { | |
546dfd9f | 471 | struct vhdr_sha512 *vh = hdr_priv(hdr); |
cd14cc10 | 472 | struct sha512_ctx sha512_ctx = { |
546dfd9f | 473 | .buf = vh->sha512, |
cd14cc10 JA |
474 | }; |
475 | ||
476 | sha512_init(&sha512_ctx); | |
477 | sha512_update(&sha512_ctx, p, len); | |
478 | } | |
479 | ||
480 | static void fill_sha256(struct verify_header *hdr, void *p, unsigned int len) | |
481 | { | |
546dfd9f | 482 | struct vhdr_sha256 *vh = hdr_priv(hdr); |
cd14cc10 | 483 | struct sha256_ctx sha256_ctx = { |
546dfd9f | 484 | .buf = vh->sha256, |
cd14cc10 JA |
485 | }; |
486 | ||
487 | sha256_init(&sha256_ctx); | |
488 | sha256_update(&sha256_ctx, p, len); | |
489 | } | |
490 | ||
1e154bdb JA |
491 | static void fill_crc7(struct verify_header *hdr, void *p, unsigned int len) |
492 | { | |
546dfd9f JA |
493 | struct vhdr_crc7 *vh = hdr_priv(hdr); |
494 | ||
495 | vh->crc7 = crc7(p, len); | |
1e154bdb JA |
496 | } |
497 | ||
969f7ed3 JA |
498 | static void fill_crc16(struct verify_header *hdr, void *p, unsigned int len) |
499 | { | |
546dfd9f JA |
500 | struct vhdr_crc16 *vh = hdr_priv(hdr); |
501 | ||
502 | vh->crc16 = crc16(p, len); | |
969f7ed3 JA |
503 | } |
504 | ||
e29d1b70 JA |
505 | static void fill_crc32(struct verify_header *hdr, void *p, unsigned int len) |
506 | { | |
546dfd9f JA |
507 | struct vhdr_crc32 *vh = hdr_priv(hdr); |
508 | ||
509 | vh->crc32 = crc32(p, len); | |
e29d1b70 JA |
510 | } |
511 | ||
d77a7af3 JA |
512 | static void fill_crc64(struct verify_header *hdr, void *p, unsigned int len) |
513 | { | |
546dfd9f JA |
514 | struct vhdr_crc64 *vh = hdr_priv(hdr); |
515 | ||
516 | vh->crc64 = crc64(p, len); | |
d77a7af3 JA |
517 | } |
518 | ||
e29d1b70 JA |
519 | static void fill_md5(struct verify_header *hdr, void *p, unsigned int len) |
520 | { | |
546dfd9f | 521 | struct vhdr_md5 *vh = hdr_priv(hdr); |
8c432325 | 522 | struct md5_ctx md5_ctx = { |
546dfd9f | 523 | .hash = (uint32_t *) vh->md5_digest, |
8c432325 | 524 | }; |
e29d1b70 | 525 | |
61f821f1 | 526 | md5_init(&md5_ctx); |
e29d1b70 | 527 | md5_update(&md5_ctx, p, len); |
e29d1b70 JA |
528 | } |
529 | ||
530 | /* | |
531 | * fill body of io_u->buf with random data and add a header with the | |
532 | * crc32 or md5 sum of that data. | |
533 | */ | |
534 | void populate_verify_io_u(struct thread_data *td, struct io_u *io_u) | |
535 | { | |
baefa9be | 536 | struct verify_header *hdr; |
95646108 | 537 | void *p = io_u->buf, *data; |
7437ee87 | 538 | unsigned int hdr_inc, data_len, header_num = 0; |
e29d1b70 | 539 | |
9cc3d150 JA |
540 | if (td->o.verify == VERIFY_NULL) |
541 | return; | |
542 | ||
90059d65 | 543 | fill_pattern(td, p, io_u->buflen); |
546a9142 SL |
544 | |
545 | hdr_inc = io_u->buflen; | |
a59e170d JA |
546 | if (td->o.verify_interval) |
547 | hdr_inc = td->o.verify_interval; | |
baefa9be | 548 | |
95646108 JA |
549 | for (;p < io_u->buf + io_u->buflen; p += hdr_inc) { |
550 | hdr = p; | |
3f9f4e26 SL |
551 | |
552 | hdr->fio_magic = FIO_HDR_MAGIC; | |
553 | hdr->verify_type = td->o.verify; | |
546a9142 | 554 | hdr->len = hdr_inc; |
87677832 | 555 | data_len = hdr_inc - hdr_size(hdr); |
3f9f4e26 | 556 | |
87677832 | 557 | data = p + hdr_size(hdr); |
3f9f4e26 SL |
558 | switch (td->o.verify) { |
559 | case VERIFY_MD5: | |
560 | fill_md5(hdr, data, data_len); | |
561 | break; | |
562 | case VERIFY_CRC64: | |
563 | fill_crc64(hdr, data, data_len); | |
564 | break; | |
565 | case VERIFY_CRC32: | |
566 | fill_crc32(hdr, data, data_len); | |
567 | break; | |
568 | case VERIFY_CRC16: | |
569 | fill_crc16(hdr, data, data_len); | |
570 | break; | |
571 | case VERIFY_CRC7: | |
572 | fill_crc7(hdr, data, data_len); | |
573 | break; | |
cd14cc10 JA |
574 | case VERIFY_SHA256: |
575 | fill_sha256(hdr, data, data_len); | |
576 | break; | |
577 | case VERIFY_SHA512: | |
578 | fill_sha512(hdr, data, data_len); | |
579 | break; | |
7437ee87 SL |
580 | case VERIFY_META: |
581 | fill_meta(hdr, td, io_u, header_num); | |
582 | break; | |
bfb41d98 JA |
583 | case VERIFY_PATTERN: |
584 | break; | |
3f9f4e26 SL |
585 | default: |
586 | log_err("fio: bad verify type: %d\n", td->o.verify); | |
587 | assert(0); | |
588 | } | |
a59e170d | 589 | if (td->o.verify_offset) |
87677832 | 590 | memswp(p, p + td->o.verify_offset, hdr_size(hdr)); |
7437ee87 | 591 | header_num++; |
e29d1b70 | 592 | } |
e29d1b70 JA |
593 | } |
594 | ||
595 | int get_next_verify(struct thread_data *td, struct io_u *io_u) | |
596 | { | |
8de8f047 | 597 | struct io_piece *ipo = NULL; |
e29d1b70 | 598 | |
d2d7fa53 JA |
599 | /* |
600 | * this io_u is from a requeue, we already filled the offsets | |
601 | */ | |
602 | if (io_u->file) | |
603 | return 0; | |
604 | ||
8de8f047 JA |
605 | if (!RB_EMPTY_ROOT(&td->io_hist_tree)) { |
606 | struct rb_node *n = rb_first(&td->io_hist_tree); | |
e29d1b70 | 607 | |
8de8f047 | 608 | ipo = rb_entry(n, struct io_piece, rb_node); |
4b87898e | 609 | rb_erase(n, &td->io_hist_tree); |
8de8f047 JA |
610 | } else if (!list_empty(&td->io_hist_list)) { |
611 | ipo = list_entry(td->io_hist_list.next, struct io_piece, list); | |
612 | list_del(&ipo->list); | |
613 | } | |
e29d1b70 | 614 | |
8de8f047 | 615 | if (ipo) { |
e29d1b70 JA |
616 | io_u->offset = ipo->offset; |
617 | io_u->buflen = ipo->len; | |
36167d82 | 618 | io_u->file = ipo->file; |
97af62ce JA |
619 | |
620 | if ((io_u->file->flags & FIO_FILE_OPEN) == 0) { | |
621 | int r = td_io_open_file(td, io_u->file); | |
622 | ||
623 | if (r) | |
624 | return 1; | |
625 | } | |
626 | ||
627 | get_file(ipo->file); | |
628 | assert(io_u->file->flags & FIO_FILE_OPEN); | |
e29d1b70 | 629 | io_u->ddir = DDIR_READ; |
36167d82 JA |
630 | io_u->xfer_buf = io_u->buf; |
631 | io_u->xfer_buflen = io_u->buflen; | |
e29d1b70 JA |
632 | free(ipo); |
633 | return 0; | |
634 | } | |
635 | ||
636 | return 1; | |
637 | } |