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> |
e8462bd8 | 8 | #include <pthread.h> |
79402a12 | 9 | #include <libgen.h> |
e29d1b70 JA |
10 | |
11 | #include "fio.h" | |
4f5af7b2 | 12 | #include "verify.h" |
0d29de83 | 13 | #include "trim.h" |
637ef8d9 | 14 | #include "lib/rand.h" |
51aa2da8 | 15 | #include "lib/hweight.h" |
e29d1b70 | 16 | |
eef6eea1 JA |
17 | #include "crc/md5.h" |
18 | #include "crc/crc64.h" | |
19 | #include "crc/crc32.h" | |
bac39e0e | 20 | #include "crc/crc32c.h" |
eef6eea1 JA |
21 | #include "crc/crc16.h" |
22 | #include "crc/crc7.h" | |
23 | #include "crc/sha256.h" | |
24 | #include "crc/sha512.h" | |
7c353ceb | 25 | #include "crc/sha1.h" |
844ea602 | 26 | #include "crc/xxhash.h" |
cd14cc10 | 27 | |
7d9fb455 JA |
28 | static void populate_hdr(struct thread_data *td, struct io_u *io_u, |
29 | struct verify_header *hdr, unsigned int header_num, | |
30 | unsigned int header_len); | |
31 | ||
ce35b1ec JA |
32 | static void fill_pattern(struct thread_data *td, void *p, unsigned int len, |
33 | char *pattern, unsigned int pattern_bytes) | |
90059d65 | 34 | { |
ce35b1ec | 35 | switch (pattern_bytes) { |
90059d65 | 36 | case 0: |
ce35b1ec | 37 | assert(0); |
90059d65 JA |
38 | break; |
39 | case 1: | |
bd6f78b2 | 40 | dprint(FD_VERIFY, "fill verify pattern b=0 len=%u\n", len); |
ce35b1ec | 41 | memset(p, pattern[0], len); |
90059d65 | 42 | break; |
0e92f873 RR |
43 | default: { |
44 | unsigned int i = 0, size = 0; | |
90059d65 JA |
45 | unsigned char *b = p; |
46 | ||
bd6f78b2 | 47 | dprint(FD_VERIFY, "fill verify pattern b=%d len=%u\n", |
ce35b1ec | 48 | pattern_bytes, len); |
bd6f78b2 | 49 | |
90059d65 | 50 | while (i < len) { |
ce35b1ec | 51 | size = pattern_bytes; |
0e92f873 RR |
52 | if (size > (len - i)) |
53 | size = len - i; | |
ce35b1ec | 54 | memcpy(b+i, pattern, size); |
0e92f873 | 55 | i += size; |
90059d65 JA |
56 | } |
57 | break; | |
58 | } | |
59 | } | |
60 | } | |
61 | ||
ce35b1ec JA |
62 | void fill_buffer_pattern(struct thread_data *td, void *p, unsigned int len) |
63 | { | |
64 | fill_pattern(td, p, len, td->o.buffer_pattern, td->o.buffer_pattern_bytes); | |
65 | } | |
66 | ||
67 | void fill_verify_pattern(struct thread_data *td, void *p, unsigned int len, | |
68 | struct io_u *io_u, unsigned long seed, int use_seed) | |
69 | { | |
70 | if (!td->o.verify_pattern_bytes) { | |
71 | dprint(FD_VERIFY, "fill random bytes len=%u\n", len); | |
72 | ||
73 | if (use_seed) | |
74 | __fill_random_buf(p, len, seed); | |
75 | else | |
c4b6117b | 76 | io_u->rand_seed = fill_random_buf(&td->__verify_state, p, len); |
ce35b1ec JA |
77 | return; |
78 | } | |
c4b6117b | 79 | |
ce35b1ec JA |
80 | if (io_u->buf_filled_len >= len) { |
81 | dprint(FD_VERIFY, "using already filled verify pattern b=%d len=%u\n", | |
82 | td->o.verify_pattern_bytes, len); | |
83 | return; | |
84 | } | |
85 | ||
86 | fill_pattern(td, p, len, td->o.verify_pattern, td->o.verify_pattern_bytes); | |
87 | ||
88 | io_u->buf_filled_len = len; | |
89 | } | |
90 | ||
cfbcd0dc JA |
91 | static unsigned int get_hdr_inc(struct thread_data *td, struct io_u *io_u) |
92 | { | |
93 | unsigned int hdr_inc; | |
94 | ||
95 | hdr_inc = io_u->buflen; | |
8a99fdf6 | 96 | if (td->o.verify_interval && td->o.verify_interval <= io_u->buflen) |
cfbcd0dc JA |
97 | hdr_inc = td->o.verify_interval; |
98 | ||
99 | return hdr_inc; | |
100 | } | |
101 | ||
c50ca7bd JA |
102 | static void fill_pattern_headers(struct thread_data *td, struct io_u *io_u, |
103 | unsigned long seed, int use_seed) | |
104 | { | |
105 | unsigned int hdr_inc, header_num; | |
106 | struct verify_header *hdr; | |
107 | void *p = io_u->buf; | |
108 | ||
ce35b1ec | 109 | fill_verify_pattern(td, p, io_u->buflen, io_u, seed, use_seed); |
c50ca7bd | 110 | |
cfbcd0dc | 111 | hdr_inc = get_hdr_inc(td, io_u); |
c50ca7bd JA |
112 | header_num = 0; |
113 | for (; p < io_u->buf + io_u->buflen; p += hdr_inc) { | |
114 | hdr = p; | |
115 | populate_hdr(td, io_u, hdr, header_num, hdr_inc); | |
116 | header_num++; | |
117 | } | |
118 | } | |
119 | ||
4764aec9 | 120 | static void memswp(void *buf1, void *buf2, unsigned int len) |
546a9142 | 121 | { |
dee6de74 SL |
122 | char swap[200]; |
123 | ||
124 | assert(len <= sizeof(swap)); | |
90059d65 | 125 | |
546a9142 SL |
126 | memcpy(&swap, buf1, len); |
127 | memcpy(buf1, buf2, len); | |
128 | memcpy(buf2, &swap, len); | |
129 | } | |
130 | ||
e29d1b70 JA |
131 | static void hexdump(void *buffer, int len) |
132 | { | |
133 | unsigned char *p = buffer; | |
134 | int i; | |
135 | ||
136 | for (i = 0; i < len; i++) | |
bfacf389 JA |
137 | log_err("%02x", p[i]); |
138 | log_err("\n"); | |
e29d1b70 JA |
139 | } |
140 | ||
87677832 | 141 | /* |
de8f6de9 | 142 | * Prepare for separation of verify_header and checksum header |
87677832 | 143 | */ |
546dfd9f | 144 | static inline unsigned int __hdr_size(int verify_type) |
87677832 | 145 | { |
03e20d68 | 146 | unsigned int len = 0; |
87677832 | 147 | |
546dfd9f JA |
148 | switch (verify_type) { |
149 | case VERIFY_NONE: | |
150 | case VERIFY_NULL: | |
151 | len = 0; | |
152 | break; | |
153 | case VERIFY_MD5: | |
154 | len = sizeof(struct vhdr_md5); | |
155 | break; | |
156 | case VERIFY_CRC64: | |
157 | len = sizeof(struct vhdr_crc64); | |
158 | break; | |
bac39e0e | 159 | case VERIFY_CRC32C: |
546dfd9f | 160 | case VERIFY_CRC32: |
3845591f | 161 | case VERIFY_CRC32C_INTEL: |
546dfd9f JA |
162 | len = sizeof(struct vhdr_crc32); |
163 | break; | |
164 | case VERIFY_CRC16: | |
165 | len = sizeof(struct vhdr_crc16); | |
166 | break; | |
167 | case VERIFY_CRC7: | |
168 | len = sizeof(struct vhdr_crc7); | |
169 | break; | |
170 | case VERIFY_SHA256: | |
171 | len = sizeof(struct vhdr_sha256); | |
172 | break; | |
173 | case VERIFY_SHA512: | |
174 | len = sizeof(struct vhdr_sha512); | |
175 | break; | |
844ea602 JA |
176 | case VERIFY_XXHASH: |
177 | len = sizeof(struct vhdr_xxhash); | |
178 | break; | |
7437ee87 SL |
179 | case VERIFY_META: |
180 | len = sizeof(struct vhdr_meta); | |
181 | break; | |
7c353ceb JA |
182 | case VERIFY_SHA1: |
183 | len = sizeof(struct vhdr_sha1); | |
184 | break; | |
92bf48d5 JA |
185 | case VERIFY_PATTERN: |
186 | len = 0; | |
187 | break; | |
546dfd9f JA |
188 | default: |
189 | log_err("fio: unknown verify header!\n"); | |
190 | assert(0); | |
191 | } | |
192 | ||
193 | return len + sizeof(struct verify_header); | |
87677832 JA |
194 | } |
195 | ||
196 | static inline unsigned int hdr_size(struct verify_header *hdr) | |
197 | { | |
546dfd9f JA |
198 | return __hdr_size(hdr->verify_type); |
199 | } | |
200 | ||
201 | static void *hdr_priv(struct verify_header *hdr) | |
202 | { | |
203 | void *priv = hdr; | |
204 | ||
205 | return priv + sizeof(struct verify_header); | |
87677832 JA |
206 | } |
207 | ||
936216f8 JA |
208 | /* |
209 | * Verify container, pass info to verify handlers and allow them to | |
210 | * pass info back in case of error | |
211 | */ | |
212 | struct vcont { | |
213 | /* | |
214 | * Input | |
215 | */ | |
216 | struct io_u *io_u; | |
217 | unsigned int hdr_num; | |
7d9fb455 | 218 | struct thread_data *td; |
936216f8 JA |
219 | |
220 | /* | |
221 | * Output, only valid in case of error | |
222 | */ | |
bfacf389 JA |
223 | const char *name; |
224 | void *good_crc; | |
225 | void *bad_crc; | |
936216f8 JA |
226 | unsigned int crc_len; |
227 | }; | |
228 | ||
dacbbb88 JA |
229 | #define DUMP_BUF_SZ 255 |
230 | static int dump_buf_warned; | |
231 | ||
c50ca7bd JA |
232 | static void dump_buf(char *buf, unsigned int len, unsigned long long offset, |
233 | const char *type, struct fio_file *f) | |
7d9fb455 | 234 | { |
dacbbb88 JA |
235 | char *ptr, fname[DUMP_BUF_SZ]; |
236 | size_t buf_left = DUMP_BUF_SZ; | |
7d9fb455 JA |
237 | int ret, fd; |
238 | ||
6f260b31 | 239 | ptr = strdup(f->file_name); |
c50ca7bd | 240 | |
dacbbb88 JA |
241 | fname[DUMP_BUF_SZ - 1] = '\0'; |
242 | strncpy(fname, basename(ptr), DUMP_BUF_SZ - 1); | |
243 | ||
244 | buf_left -= strlen(fname); | |
245 | if (buf_left <= 0) { | |
246 | if (!dump_buf_warned) { | |
247 | log_err("fio: verify failure dump buffer too small\n"); | |
248 | dump_buf_warned = 1; | |
249 | } | |
250 | free(ptr); | |
251 | return; | |
252 | } | |
253 | ||
254 | snprintf(fname + strlen(fname), buf_left, ".%llu.%s", offset, type); | |
7d9fb455 JA |
255 | |
256 | fd = open(fname, O_CREAT | O_TRUNC | O_WRONLY, 0644); | |
257 | if (fd < 0) { | |
258 | perror("open verify buf file"); | |
259 | return; | |
260 | } | |
261 | ||
262 | while (len) { | |
263 | ret = write(fd, buf, len); | |
264 | if (!ret) | |
265 | break; | |
266 | else if (ret < 0) { | |
267 | perror("write verify buf file"); | |
268 | break; | |
269 | } | |
270 | len -= ret; | |
271 | buf += ret; | |
272 | } | |
273 | ||
274 | close(fd); | |
c50ca7bd | 275 | log_err(" %s data dumped as %s\n", type, fname); |
6f260b31 | 276 | free(ptr); |
7d9fb455 JA |
277 | } |
278 | ||
c50ca7bd JA |
279 | /* |
280 | * Dump the contents of the read block and re-generate the correct data | |
281 | * and dump that too. | |
282 | */ | |
7d9fb455 JA |
283 | static void dump_verify_buffers(struct verify_header *hdr, struct vcont *vc) |
284 | { | |
285 | struct thread_data *td = vc->td; | |
286 | struct io_u *io_u = vc->io_u; | |
287 | unsigned long hdr_offset; | |
7d9fb455 | 288 | struct io_u dummy; |
c50ca7bd | 289 | void *buf; |
7d9fb455 | 290 | |
0dce9bc9 SL |
291 | if (!td->o.verify_dump) |
292 | return; | |
293 | ||
c50ca7bd JA |
294 | /* |
295 | * Dump the contents we just read off disk | |
296 | */ | |
7d9fb455 JA |
297 | hdr_offset = vc->hdr_num * hdr->len; |
298 | ||
c50ca7bd JA |
299 | dump_buf(io_u->buf + hdr_offset, hdr->len, io_u->offset + hdr_offset, |
300 | "received", vc->io_u->file); | |
7d9fb455 | 301 | |
c50ca7bd JA |
302 | /* |
303 | * Allocate a new buf and re-generate the original data | |
304 | */ | |
305 | buf = malloc(io_u->buflen); | |
7d9fb455 | 306 | dummy = *io_u; |
c50ca7bd | 307 | dummy.buf = buf; |
4aae38a6 | 308 | dummy.rand_seed = hdr->rand_seed; |
cfbcd0dc | 309 | dummy.buf_filled_len = 0; |
0d81daf9 | 310 | dummy.buflen = io_u->buflen; |
7d9fb455 | 311 | |
c50ca7bd | 312 | fill_pattern_headers(td, &dummy, hdr->rand_seed, 1); |
7d9fb455 | 313 | |
c50ca7bd JA |
314 | dump_buf(buf + hdr_offset, hdr->len, io_u->offset + hdr_offset, |
315 | "expected", vc->io_u->file); | |
7d9fb455 JA |
316 | free(buf); |
317 | } | |
318 | ||
bfacf389 JA |
319 | static void log_verify_failure(struct verify_header *hdr, struct vcont *vc) |
320 | { | |
321 | unsigned long long offset; | |
322 | ||
323 | offset = vc->io_u->offset; | |
324 | offset += vc->hdr_num * hdr->len; | |
32c17adf JA |
325 | log_err("%.8s: verify failed at file %s offset %llu, length %u\n", |
326 | vc->name, vc->io_u->file->file_name, offset, hdr->len); | |
bfacf389 JA |
327 | |
328 | if (vc->good_crc && vc->bad_crc) { | |
329 | log_err(" Expected CRC: "); | |
330 | hexdump(vc->good_crc, vc->crc_len); | |
331 | log_err(" Received CRC: "); | |
332 | hexdump(vc->bad_crc, vc->crc_len); | |
333 | } | |
7d9fb455 JA |
334 | |
335 | dump_verify_buffers(hdr, vc); | |
bfacf389 JA |
336 | } |
337 | ||
d9f2caf3 JA |
338 | /* |
339 | * Return data area 'header_num' | |
340 | */ | |
936216f8 | 341 | static inline void *io_u_verify_off(struct verify_header *hdr, struct vcont *vc) |
d9f2caf3 | 342 | { |
936216f8 | 343 | return vc->io_u->buf + vc->hdr_num * hdr->len + hdr_size(hdr); |
d9f2caf3 JA |
344 | } |
345 | ||
92bf48d5 JA |
346 | static int verify_io_u_pattern(struct verify_header *hdr, struct vcont *vc) |
347 | { | |
348 | struct thread_data *td = vc->td; | |
349 | struct io_u *io_u = vc->io_u; | |
350 | char *buf, *pattern; | |
2b13e716 | 351 | unsigned int header_size = __hdr_size(td->o.verify); |
9a2a86d0 | 352 | unsigned int len, mod, i, size, pattern_size; |
92bf48d5 JA |
353 | |
354 | pattern = td->o.verify_pattern; | |
9a2a86d0 SL |
355 | pattern_size = td->o.verify_pattern_bytes; |
356 | if (pattern_size <= 1) | |
357 | pattern_size = MAX_PATTERN_SIZE; | |
2b13e716 JA |
358 | buf = (void *) hdr + header_size; |
359 | len = get_hdr_inc(td, io_u) - header_size; | |
9a2a86d0 SL |
360 | mod = header_size % pattern_size; |
361 | ||
362 | for (i = 0; i < len; i += size) { | |
363 | size = pattern_size - mod; | |
364 | if (size > (len - i)) | |
365 | size = len - i; | |
366 | if (memcmp(buf + i, pattern + mod, size)) | |
e4ad68b1 | 367 | /* Let the slow compare find the first mismatch byte. */ |
9a2a86d0 SL |
368 | break; |
369 | mod = 0; | |
370 | } | |
92bf48d5 | 371 | |
9a2a86d0 | 372 | for (; i < len; i++) { |
92bf48d5 JA |
373 | if (buf[i] != pattern[mod]) { |
374 | unsigned int bits; | |
375 | ||
376 | bits = hweight8(buf[i] ^ pattern[mod]); | |
377 | log_err("fio: got pattern %x, wanted %x. Bad bits %d\n", | |
378 | buf[i], pattern[mod], bits); | |
379 | log_err("fio: bad pattern block offset %u\n", i); | |
380 | dump_verify_buffers(hdr, vc); | |
381 | return EILSEQ; | |
382 | } | |
383 | mod++; | |
384 | if (mod == td->o.verify_pattern_bytes) | |
385 | mod = 0; | |
386 | } | |
387 | ||
388 | return 0; | |
389 | } | |
390 | ||
391 | static int verify_io_u_meta(struct verify_header *hdr, struct vcont *vc) | |
7437ee87 | 392 | { |
92bf48d5 | 393 | struct thread_data *td = vc->td; |
7437ee87 | 394 | struct vhdr_meta *vh = hdr_priv(hdr); |
936216f8 | 395 | struct io_u *io_u = vc->io_u; |
92bf48d5 | 396 | int ret = EILSEQ; |
7437ee87 | 397 | |
bd6f78b2 JA |
398 | dprint(FD_VERIFY, "meta verify io_u %p, len %u\n", io_u, hdr->len); |
399 | ||
bfacf389 | 400 | if (vh->offset == io_u->offset + vc->hdr_num * td->o.verify_interval) |
92bf48d5 JA |
401 | ret = 0; |
402 | ||
403 | if (td->o.verify_pattern_bytes) | |
404 | ret |= verify_io_u_pattern(hdr, vc); | |
405 | ||
da0a7bd2 JC |
406 | /* |
407 | * For read-only workloads, the program cannot be certain of the | |
408 | * last numberio written to a block. Checking of numberio will be done | |
409 | * only for workloads that write data. | |
62167762 JC |
410 | * For verify_only, numberio will be checked in the last iteration when |
411 | * the correct state of numberio, that would have been written to each | |
412 | * block in a previous run of fio, has been reached. | |
da0a7bd2 JC |
413 | */ |
414 | if (td_write(td) || td_rw(td)) | |
62167762 JC |
415 | if (!td->o.verify_only || td->o.loops == 0) |
416 | if (vh->numberio != io_u->numberio) | |
417 | ret = EILSEQ; | |
da0a7bd2 | 418 | |
92bf48d5 | 419 | if (!ret) |
bfacf389 | 420 | return 0; |
7437ee87 | 421 | |
bfacf389 JA |
422 | vc->name = "meta"; |
423 | log_verify_failure(hdr, vc); | |
92bf48d5 | 424 | return ret; |
7437ee87 SL |
425 | } |
426 | ||
844ea602 JA |
427 | static int verify_io_u_xxhash(struct verify_header *hdr, struct vcont *vc) |
428 | { | |
429 | void *p = io_u_verify_off(hdr, vc); | |
430 | struct vhdr_xxhash *vh = hdr_priv(hdr); | |
431 | uint32_t hash; | |
432 | void *state; | |
433 | ||
434 | dprint(FD_VERIFY, "xxhash verify io_u %p, len %u\n", vc->io_u, hdr->len); | |
435 | ||
436 | state = XXH32_init(1); | |
437 | XXH32_update(state, p, hdr->len - hdr_size(hdr)); | |
438 | hash = XXH32_digest(state); | |
439 | ||
440 | if (vh->hash == hash) | |
441 | return 0; | |
442 | ||
443 | vc->name = "xxhash"; | |
444 | vc->good_crc = &vh->hash; | |
445 | vc->bad_crc = &hash; | |
446 | vc->crc_len = sizeof(hash); | |
447 | log_verify_failure(hdr, vc); | |
448 | return EILSEQ; | |
449 | } | |
450 | ||
936216f8 | 451 | static int verify_io_u_sha512(struct verify_header *hdr, struct vcont *vc) |
cd14cc10 | 452 | { |
936216f8 | 453 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 454 | struct vhdr_sha512 *vh = hdr_priv(hdr); |
cd14cc10 | 455 | uint8_t sha512[128]; |
25dfa848 | 456 | struct fio_sha512_ctx sha512_ctx = { |
cd14cc10 JA |
457 | .buf = sha512, |
458 | }; | |
459 | ||
936216f8 | 460 | dprint(FD_VERIFY, "sha512 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 461 | |
25dfa848 JA |
462 | fio_sha512_init(&sha512_ctx); |
463 | fio_sha512_update(&sha512_ctx, p, hdr->len - hdr_size(hdr)); | |
cd14cc10 | 464 | |
bfacf389 JA |
465 | if (!memcmp(vh->sha512, sha512_ctx.buf, sizeof(sha512))) |
466 | return 0; | |
cd14cc10 | 467 | |
bfacf389 JA |
468 | vc->name = "sha512"; |
469 | vc->good_crc = vh->sha512; | |
470 | vc->bad_crc = sha512_ctx.buf; | |
471 | vc->crc_len = sizeof(vh->sha512); | |
472 | log_verify_failure(hdr, vc); | |
473 | return EILSEQ; | |
cd14cc10 JA |
474 | } |
475 | ||
936216f8 | 476 | static int verify_io_u_sha256(struct verify_header *hdr, struct vcont *vc) |
cd14cc10 | 477 | { |
936216f8 | 478 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 479 | struct vhdr_sha256 *vh = hdr_priv(hdr); |
bc77f56f | 480 | uint8_t sha256[64]; |
25dfa848 | 481 | struct fio_sha256_ctx sha256_ctx = { |
cd14cc10 JA |
482 | .buf = sha256, |
483 | }; | |
484 | ||
936216f8 | 485 | dprint(FD_VERIFY, "sha256 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 486 | |
25dfa848 JA |
487 | fio_sha256_init(&sha256_ctx); |
488 | fio_sha256_update(&sha256_ctx, p, hdr->len - hdr_size(hdr)); | |
cd14cc10 | 489 | |
bfacf389 JA |
490 | if (!memcmp(vh->sha256, sha256_ctx.buf, sizeof(sha256))) |
491 | return 0; | |
cd14cc10 | 492 | |
bfacf389 JA |
493 | vc->name = "sha256"; |
494 | vc->good_crc = vh->sha256; | |
495 | vc->bad_crc = sha256_ctx.buf; | |
496 | vc->crc_len = sizeof(vh->sha256); | |
497 | log_verify_failure(hdr, vc); | |
498 | return EILSEQ; | |
cd14cc10 JA |
499 | } |
500 | ||
936216f8 | 501 | static int verify_io_u_sha1(struct verify_header *hdr, struct vcont *vc) |
7c353ceb | 502 | { |
936216f8 | 503 | void *p = io_u_verify_off(hdr, vc); |
7c353ceb JA |
504 | struct vhdr_sha1 *vh = hdr_priv(hdr); |
505 | uint32_t sha1[5]; | |
25dfa848 | 506 | struct fio_sha1_ctx sha1_ctx = { |
7c353ceb JA |
507 | .H = sha1, |
508 | }; | |
509 | ||
936216f8 | 510 | dprint(FD_VERIFY, "sha1 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
7c353ceb | 511 | |
25dfa848 JA |
512 | fio_sha1_init(&sha1_ctx); |
513 | fio_sha1_update(&sha1_ctx, p, hdr->len - hdr_size(hdr)); | |
7c353ceb | 514 | |
bfacf389 JA |
515 | if (!memcmp(vh->sha1, sha1_ctx.H, sizeof(sha1))) |
516 | return 0; | |
7c353ceb | 517 | |
bfacf389 JA |
518 | vc->name = "sha1"; |
519 | vc->good_crc = vh->sha1; | |
520 | vc->bad_crc = sha1_ctx.H; | |
521 | vc->crc_len = sizeof(vh->sha1); | |
522 | log_verify_failure(hdr, vc); | |
523 | return EILSEQ; | |
7c353ceb JA |
524 | } |
525 | ||
936216f8 | 526 | static int verify_io_u_crc7(struct verify_header *hdr, struct vcont *vc) |
1e154bdb | 527 | { |
936216f8 | 528 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 529 | struct vhdr_crc7 *vh = hdr_priv(hdr); |
1e154bdb JA |
530 | unsigned char c; |
531 | ||
936216f8 | 532 | dprint(FD_VERIFY, "crc7 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 533 | |
25dfa848 | 534 | c = fio_crc7(p, hdr->len - hdr_size(hdr)); |
1e154bdb | 535 | |
bfacf389 JA |
536 | if (c == vh->crc7) |
537 | return 0; | |
1e154bdb | 538 | |
bfacf389 JA |
539 | vc->name = "crc7"; |
540 | vc->good_crc = &vh->crc7; | |
541 | vc->bad_crc = &c; | |
542 | vc->crc_len = 1; | |
543 | log_verify_failure(hdr, vc); | |
544 | return EILSEQ; | |
1e154bdb JA |
545 | } |
546 | ||
936216f8 | 547 | static int verify_io_u_crc16(struct verify_header *hdr, struct vcont *vc) |
969f7ed3 | 548 | { |
936216f8 | 549 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 550 | struct vhdr_crc16 *vh = hdr_priv(hdr); |
969f7ed3 JA |
551 | unsigned short c; |
552 | ||
936216f8 | 553 | dprint(FD_VERIFY, "crc16 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 554 | |
25dfa848 | 555 | c = fio_crc16(p, hdr->len - hdr_size(hdr)); |
969f7ed3 | 556 | |
bfacf389 JA |
557 | if (c == vh->crc16) |
558 | return 0; | |
969f7ed3 | 559 | |
bfacf389 JA |
560 | vc->name = "crc16"; |
561 | vc->good_crc = &vh->crc16; | |
562 | vc->bad_crc = &c; | |
563 | vc->crc_len = 2; | |
564 | log_verify_failure(hdr, vc); | |
565 | return EILSEQ; | |
969f7ed3 JA |
566 | } |
567 | ||
936216f8 | 568 | static int verify_io_u_crc64(struct verify_header *hdr, struct vcont *vc) |
d77a7af3 | 569 | { |
936216f8 | 570 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 571 | struct vhdr_crc64 *vh = hdr_priv(hdr); |
d77a7af3 JA |
572 | unsigned long long c; |
573 | ||
936216f8 | 574 | dprint(FD_VERIFY, "crc64 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 575 | |
25dfa848 | 576 | c = fio_crc64(p, hdr->len - hdr_size(hdr)); |
d77a7af3 | 577 | |
bfacf389 JA |
578 | if (c == vh->crc64) |
579 | return 0; | |
d77a7af3 | 580 | |
bfacf389 JA |
581 | vc->name = "crc64"; |
582 | vc->good_crc = &vh->crc64; | |
583 | vc->bad_crc = &c; | |
584 | vc->crc_len = 8; | |
585 | log_verify_failure(hdr, vc); | |
586 | return EILSEQ; | |
d77a7af3 JA |
587 | } |
588 | ||
936216f8 | 589 | static int verify_io_u_crc32(struct verify_header *hdr, struct vcont *vc) |
e29d1b70 | 590 | { |
936216f8 | 591 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f JA |
592 | struct vhdr_crc32 *vh = hdr_priv(hdr); |
593 | uint32_t c; | |
e29d1b70 | 594 | |
936216f8 | 595 | dprint(FD_VERIFY, "crc32 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 596 | |
25dfa848 | 597 | c = fio_crc32(p, hdr->len - hdr_size(hdr)); |
e29d1b70 | 598 | |
bfacf389 JA |
599 | if (c == vh->crc32) |
600 | return 0; | |
e29d1b70 | 601 | |
bfacf389 JA |
602 | vc->name = "crc32"; |
603 | vc->good_crc = &vh->crc32; | |
604 | vc->bad_crc = &c; | |
605 | vc->crc_len = 4; | |
606 | log_verify_failure(hdr, vc); | |
607 | return EILSEQ; | |
e29d1b70 JA |
608 | } |
609 | ||
936216f8 | 610 | static int verify_io_u_crc32c(struct verify_header *hdr, struct vcont *vc) |
bac39e0e | 611 | { |
936216f8 | 612 | void *p = io_u_verify_off(hdr, vc); |
bac39e0e JA |
613 | struct vhdr_crc32 *vh = hdr_priv(hdr); |
614 | uint32_t c; | |
615 | ||
936216f8 | 616 | dprint(FD_VERIFY, "crc32c verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bac39e0e | 617 | |
25dfa848 | 618 | c = fio_crc32c(p, hdr->len - hdr_size(hdr)); |
bac39e0e | 619 | |
bfacf389 JA |
620 | if (c == vh->crc32) |
621 | return 0; | |
bac39e0e | 622 | |
bfacf389 JA |
623 | vc->name = "crc32c"; |
624 | vc->good_crc = &vh->crc32; | |
625 | vc->bad_crc = &c; | |
626 | vc->crc_len = 4; | |
627 | log_verify_failure(hdr, vc); | |
628 | return EILSEQ; | |
bac39e0e JA |
629 | } |
630 | ||
936216f8 | 631 | static int verify_io_u_md5(struct verify_header *hdr, struct vcont *vc) |
e29d1b70 | 632 | { |
936216f8 | 633 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 634 | struct vhdr_md5 *vh = hdr_priv(hdr); |
8c432325 | 635 | uint32_t hash[MD5_HASH_WORDS]; |
25dfa848 | 636 | struct fio_md5_ctx md5_ctx = { |
8c432325 JA |
637 | .hash = hash, |
638 | }; | |
e29d1b70 | 639 | |
936216f8 | 640 | dprint(FD_VERIFY, "md5 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 641 | |
25dfa848 JA |
642 | fio_md5_init(&md5_ctx); |
643 | fio_md5_update(&md5_ctx, p, hdr->len - hdr_size(hdr)); | |
e29d1b70 | 644 | |
bfacf389 JA |
645 | if (!memcmp(vh->md5_digest, md5_ctx.hash, sizeof(hash))) |
646 | return 0; | |
e29d1b70 | 647 | |
bfacf389 JA |
648 | vc->name = "md5"; |
649 | vc->good_crc = vh->md5_digest; | |
650 | vc->bad_crc = md5_ctx.hash; | |
651 | vc->crc_len = sizeof(hash); | |
652 | log_verify_failure(hdr, vc); | |
653 | return EILSEQ; | |
e29d1b70 JA |
654 | } |
655 | ||
e8462bd8 JA |
656 | /* |
657 | * Push IO verification to a separate thread | |
658 | */ | |
659 | int verify_io_u_async(struct thread_data *td, struct io_u *io_u) | |
660 | { | |
661 | if (io_u->file) | |
662 | put_file_log(td, io_u->file); | |
663 | ||
e8462bd8 | 664 | pthread_mutex_lock(&td->io_u_lock); |
d7ee2a7d | 665 | |
0c41214f RR |
666 | if (io_u->flags & IO_U_F_IN_CUR_DEPTH) { |
667 | td->cur_depth--; | |
668 | io_u->flags &= ~IO_U_F_IN_CUR_DEPTH; | |
669 | } | |
2ae0b204 | 670 | flist_add_tail(&io_u->verify_list, &td->verify_list); |
2ecc1b57 | 671 | io_u->flags |= IO_U_F_FREE_DEF; |
e8462bd8 JA |
672 | pthread_mutex_unlock(&td->io_u_lock); |
673 | ||
674 | pthread_cond_signal(&td->verify_cond); | |
e8462bd8 JA |
675 | return 0; |
676 | } | |
677 | ||
0d29de83 JA |
678 | static int verify_trimmed_io_u(struct thread_data *td, struct io_u *io_u) |
679 | { | |
680 | static char zero_buf[1024]; | |
681 | unsigned int this_len, len; | |
682 | int ret = 0; | |
683 | void *p; | |
684 | ||
685 | if (!td->o.trim_zero) | |
686 | return 0; | |
687 | ||
688 | len = io_u->buflen; | |
689 | p = io_u->buf; | |
690 | do { | |
691 | this_len = sizeof(zero_buf); | |
692 | if (this_len > len) | |
693 | this_len = len; | |
694 | if (memcmp(p, zero_buf, this_len)) { | |
695 | ret = EILSEQ; | |
696 | break; | |
697 | } | |
698 | len -= this_len; | |
699 | p += this_len; | |
700 | } while (len); | |
701 | ||
702 | if (!ret) | |
703 | return 0; | |
704 | ||
a917a8b3 JA |
705 | log_err("trim: verify failed at file %s offset %llu, length %lu" |
706 | ", block offset %lu\n", | |
707 | io_u->file->file_name, io_u->offset, io_u->buflen, | |
2f68124f | 708 | (unsigned long) (p - io_u->buf)); |
0d29de83 JA |
709 | return ret; |
710 | } | |
711 | ||
5964842c AG |
712 | static int verify_header(struct io_u *io_u, struct verify_header *hdr, |
713 | unsigned int hdr_num, unsigned int hdr_len) | |
f65d1c26 JA |
714 | { |
715 | void *p = hdr; | |
716 | uint32_t crc; | |
717 | ||
5964842c AG |
718 | if (hdr->magic != FIO_HDR_MAGIC) { |
719 | log_err("verify: bad magic header %x, wanted %x", | |
720 | hdr->magic, FIO_HDR_MAGIC); | |
721 | goto err; | |
722 | } | |
4445856a | 723 | if (hdr->len != hdr_len) { |
5964842c AG |
724 | log_err("verify: bad header length %u, wanted %u", |
725 | hdr->len, hdr_len); | |
726 | goto err; | |
727 | } | |
728 | if (hdr->rand_seed != io_u->rand_seed) { | |
729 | log_err("verify: bad header rand_seed %"PRIu64 | |
730 | ", wanted %"PRIu64, | |
731 | hdr->rand_seed, io_u->rand_seed); | |
732 | goto err; | |
733 | } | |
ae38c0dc | 734 | |
25dfa848 | 735 | crc = fio_crc32c(p, offsetof(struct verify_header, crc32)); |
5964842c AG |
736 | if (crc != hdr->crc32) { |
737 | log_err("verify: bad header crc %x, calculated %x", | |
738 | hdr->crc32, crc); | |
739 | goto err; | |
740 | } | |
741 | return 0; | |
742 | ||
743 | err: | |
744 | log_err(" at file %s offset %llu, length %u\n", | |
745 | io_u->file->file_name, | |
746 | io_u->offset + hdr_num * hdr_len, hdr_len); | |
747 | return EILSEQ; | |
f65d1c26 JA |
748 | } |
749 | ||
36690c9b | 750 | int verify_io_u(struct thread_data *td, struct io_u *io_u) |
e29d1b70 | 751 | { |
3f9f4e26 | 752 | struct verify_header *hdr; |
2b13e716 | 753 | unsigned int header_size, hdr_inc, hdr_num = 0; |
95646108 | 754 | void *p; |
e29d1b70 JA |
755 | int ret; |
756 | ||
1dcc0498 | 757 | if (td->o.verify == VERIFY_NULL || io_u->ddir != DDIR_READ) |
36690c9b | 758 | return 0; |
0d29de83 JA |
759 | if (io_u->flags & IO_U_F_TRIMMED) { |
760 | ret = verify_trimmed_io_u(td, io_u); | |
761 | goto done; | |
762 | } | |
36690c9b | 763 | |
cfbcd0dc | 764 | hdr_inc = get_hdr_inc(td, io_u); |
e29d1b70 | 765 | |
a12a3b4d | 766 | ret = 0; |
5ec10eaa JA |
767 | for (p = io_u->buf; p < io_u->buf + io_u->buflen; |
768 | p += hdr_inc, hdr_num++) { | |
bfacf389 JA |
769 | struct vcont vc = { |
770 | .io_u = io_u, | |
771 | .hdr_num = hdr_num, | |
7d9fb455 | 772 | .td = td, |
bfacf389 | 773 | }; |
f00b210f | 774 | unsigned int verify_type; |
936216f8 | 775 | |
f3e6cb95 | 776 | if (ret && td->o.verify_fatal) |
a12a3b4d | 777 | break; |
f3e6cb95 | 778 | |
2b13e716 | 779 | header_size = __hdr_size(td->o.verify); |
a59e170d | 780 | if (td->o.verify_offset) |
2b13e716 | 781 | memswp(p, p + td->o.verify_offset, header_size); |
95646108 | 782 | hdr = p; |
e29d1b70 | 783 | |
c4b6117b PV |
784 | /* |
785 | * Make rand_seed check pass when have verifysort or | |
786 | * verify_backlog. | |
787 | */ | |
788 | if (td->o.verifysort || (td->flags & TD_F_VER_BACKLOG)) | |
789 | io_u->rand_seed = hdr->rand_seed; | |
790 | ||
5964842c AG |
791 | ret = verify_header(io_u, hdr, hdr_num, hdr_inc); |
792 | if (ret) | |
793 | return ret; | |
3f199b01 | 794 | |
f00b210f JA |
795 | if (td->o.verify != VERIFY_NONE) |
796 | verify_type = td->o.verify; | |
797 | else | |
798 | verify_type = hdr->verify_type; | |
799 | ||
800 | switch (verify_type) { | |
3f9f4e26 | 801 | case VERIFY_MD5: |
936216f8 | 802 | ret = verify_io_u_md5(hdr, &vc); |
3f9f4e26 SL |
803 | break; |
804 | case VERIFY_CRC64: | |
936216f8 | 805 | ret = verify_io_u_crc64(hdr, &vc); |
3f9f4e26 | 806 | break; |
bac39e0e | 807 | case VERIFY_CRC32C: |
3845591f | 808 | case VERIFY_CRC32C_INTEL: |
936216f8 | 809 | ret = verify_io_u_crc32c(hdr, &vc); |
bac39e0e | 810 | break; |
3f9f4e26 | 811 | case VERIFY_CRC32: |
936216f8 | 812 | ret = verify_io_u_crc32(hdr, &vc); |
3f9f4e26 SL |
813 | break; |
814 | case VERIFY_CRC16: | |
936216f8 | 815 | ret = verify_io_u_crc16(hdr, &vc); |
3f9f4e26 SL |
816 | break; |
817 | case VERIFY_CRC7: | |
936216f8 | 818 | ret = verify_io_u_crc7(hdr, &vc); |
3f9f4e26 | 819 | break; |
cd14cc10 | 820 | case VERIFY_SHA256: |
936216f8 | 821 | ret = verify_io_u_sha256(hdr, &vc); |
cd14cc10 JA |
822 | break; |
823 | case VERIFY_SHA512: | |
936216f8 | 824 | ret = verify_io_u_sha512(hdr, &vc); |
cd14cc10 | 825 | break; |
844ea602 JA |
826 | case VERIFY_XXHASH: |
827 | ret = verify_io_u_xxhash(hdr, &vc); | |
828 | break; | |
7437ee87 | 829 | case VERIFY_META: |
92bf48d5 | 830 | ret = verify_io_u_meta(hdr, &vc); |
7437ee87 | 831 | break; |
7c353ceb | 832 | case VERIFY_SHA1: |
936216f8 | 833 | ret = verify_io_u_sha1(hdr, &vc); |
7c353ceb | 834 | break; |
92bf48d5 JA |
835 | case VERIFY_PATTERN: |
836 | ret = verify_io_u_pattern(hdr, &vc); | |
837 | break; | |
3f9f4e26 SL |
838 | default: |
839 | log_err("Bad verify type %u\n", hdr->verify_type); | |
d16d4e09 | 840 | ret = EINVAL; |
3f9f4e26 | 841 | } |
f00b210f JA |
842 | |
843 | if (ret && verify_type != hdr->verify_type) | |
844 | log_err("fio: verify type mismatch (%u media, %u given)\n", | |
845 | hdr->verify_type, verify_type); | |
3f9f4e26 | 846 | } |
a7dfe862 | 847 | |
0d29de83 | 848 | done: |
f3e6cb95 JA |
849 | if (ret && td->o.verify_fatal) |
850 | td->terminate = 1; | |
851 | ||
a12a3b4d | 852 | return ret; |
e29d1b70 JA |
853 | } |
854 | ||
7437ee87 | 855 | static void fill_meta(struct verify_header *hdr, struct thread_data *td, |
5ec10eaa | 856 | struct io_u *io_u, unsigned int header_num) |
7437ee87 SL |
857 | { |
858 | struct vhdr_meta *vh = hdr_priv(hdr); | |
859 | ||
860 | vh->thread = td->thread_number; | |
861 | ||
862 | vh->time_sec = io_u->start_time.tv_sec; | |
863 | vh->time_usec = io_u->start_time.tv_usec; | |
864 | ||
da0a7bd2 | 865 | vh->numberio = io_u->numberio; |
7437ee87 SL |
866 | |
867 | vh->offset = io_u->offset + header_num * td->o.verify_interval; | |
868 | } | |
869 | ||
844ea602 JA |
870 | static void fill_xxhash(struct verify_header *hdr, void *p, unsigned int len) |
871 | { | |
872 | struct vhdr_xxhash *vh = hdr_priv(hdr); | |
873 | void *state; | |
874 | ||
875 | state = XXH32_init(1); | |
876 | XXH32_update(state, p, len); | |
877 | vh->hash = XXH32_digest(state); | |
878 | } | |
879 | ||
cd14cc10 JA |
880 | static void fill_sha512(struct verify_header *hdr, void *p, unsigned int len) |
881 | { | |
546dfd9f | 882 | struct vhdr_sha512 *vh = hdr_priv(hdr); |
25dfa848 | 883 | struct fio_sha512_ctx sha512_ctx = { |
546dfd9f | 884 | .buf = vh->sha512, |
cd14cc10 JA |
885 | }; |
886 | ||
25dfa848 JA |
887 | fio_sha512_init(&sha512_ctx); |
888 | fio_sha512_update(&sha512_ctx, p, len); | |
cd14cc10 JA |
889 | } |
890 | ||
891 | static void fill_sha256(struct verify_header *hdr, void *p, unsigned int len) | |
892 | { | |
546dfd9f | 893 | struct vhdr_sha256 *vh = hdr_priv(hdr); |
25dfa848 | 894 | struct fio_sha256_ctx sha256_ctx = { |
546dfd9f | 895 | .buf = vh->sha256, |
cd14cc10 JA |
896 | }; |
897 | ||
25dfa848 JA |
898 | fio_sha256_init(&sha256_ctx); |
899 | fio_sha256_update(&sha256_ctx, p, len); | |
cd14cc10 JA |
900 | } |
901 | ||
7c353ceb JA |
902 | static void fill_sha1(struct verify_header *hdr, void *p, unsigned int len) |
903 | { | |
904 | struct vhdr_sha1 *vh = hdr_priv(hdr); | |
25dfa848 | 905 | struct fio_sha1_ctx sha1_ctx = { |
7c353ceb JA |
906 | .H = vh->sha1, |
907 | }; | |
908 | ||
25dfa848 JA |
909 | fio_sha1_init(&sha1_ctx); |
910 | fio_sha1_update(&sha1_ctx, p, len); | |
7c353ceb JA |
911 | } |
912 | ||
1e154bdb JA |
913 | static void fill_crc7(struct verify_header *hdr, void *p, unsigned int len) |
914 | { | |
546dfd9f JA |
915 | struct vhdr_crc7 *vh = hdr_priv(hdr); |
916 | ||
25dfa848 | 917 | vh->crc7 = fio_crc7(p, len); |
1e154bdb JA |
918 | } |
919 | ||
969f7ed3 JA |
920 | static void fill_crc16(struct verify_header *hdr, void *p, unsigned int len) |
921 | { | |
546dfd9f JA |
922 | struct vhdr_crc16 *vh = hdr_priv(hdr); |
923 | ||
25dfa848 | 924 | vh->crc16 = fio_crc16(p, len); |
969f7ed3 JA |
925 | } |
926 | ||
e29d1b70 JA |
927 | static void fill_crc32(struct verify_header *hdr, void *p, unsigned int len) |
928 | { | |
546dfd9f JA |
929 | struct vhdr_crc32 *vh = hdr_priv(hdr); |
930 | ||
25dfa848 | 931 | vh->crc32 = fio_crc32(p, len); |
e29d1b70 JA |
932 | } |
933 | ||
bac39e0e JA |
934 | static void fill_crc32c(struct verify_header *hdr, void *p, unsigned int len) |
935 | { | |
936 | struct vhdr_crc32 *vh = hdr_priv(hdr); | |
937 | ||
25dfa848 | 938 | vh->crc32 = fio_crc32c(p, len); |
bac39e0e JA |
939 | } |
940 | ||
d77a7af3 JA |
941 | static void fill_crc64(struct verify_header *hdr, void *p, unsigned int len) |
942 | { | |
546dfd9f JA |
943 | struct vhdr_crc64 *vh = hdr_priv(hdr); |
944 | ||
25dfa848 | 945 | vh->crc64 = fio_crc64(p, len); |
d77a7af3 JA |
946 | } |
947 | ||
e29d1b70 JA |
948 | static void fill_md5(struct verify_header *hdr, void *p, unsigned int len) |
949 | { | |
546dfd9f | 950 | struct vhdr_md5 *vh = hdr_priv(hdr); |
25dfa848 | 951 | struct fio_md5_ctx md5_ctx = { |
546dfd9f | 952 | .hash = (uint32_t *) vh->md5_digest, |
8c432325 | 953 | }; |
e29d1b70 | 954 | |
25dfa848 JA |
955 | fio_md5_init(&md5_ctx); |
956 | fio_md5_update(&md5_ctx, p, len); | |
e29d1b70 JA |
957 | } |
958 | ||
7d9fb455 JA |
959 | static void populate_hdr(struct thread_data *td, struct io_u *io_u, |
960 | struct verify_header *hdr, unsigned int header_num, | |
961 | unsigned int header_len) | |
962 | { | |
963 | unsigned int data_len; | |
964 | void *data, *p; | |
965 | ||
966 | p = (void *) hdr; | |
967 | ||
d3a173a9 | 968 | hdr->magic = FIO_HDR_MAGIC; |
7d9fb455 | 969 | hdr->verify_type = td->o.verify; |
d3a173a9 | 970 | hdr->len = header_len; |
7d9fb455 | 971 | hdr->rand_seed = io_u->rand_seed; |
25dfa848 | 972 | hdr->crc32 = fio_crc32c(p, offsetof(struct verify_header, crc32)); |
f65d1c26 | 973 | |
7d9fb455 JA |
974 | data_len = header_len - hdr_size(hdr); |
975 | ||
976 | data = p + hdr_size(hdr); | |
977 | switch (td->o.verify) { | |
978 | case VERIFY_MD5: | |
979 | dprint(FD_VERIFY, "fill md5 io_u %p, len %u\n", | |
980 | io_u, hdr->len); | |
981 | fill_md5(hdr, data, data_len); | |
982 | break; | |
983 | case VERIFY_CRC64: | |
984 | dprint(FD_VERIFY, "fill crc64 io_u %p, len %u\n", | |
985 | io_u, hdr->len); | |
986 | fill_crc64(hdr, data, data_len); | |
987 | break; | |
988 | case VERIFY_CRC32C: | |
989 | case VERIFY_CRC32C_INTEL: | |
990 | dprint(FD_VERIFY, "fill crc32c io_u %p, len %u\n", | |
991 | io_u, hdr->len); | |
992 | fill_crc32c(hdr, data, data_len); | |
993 | break; | |
994 | case VERIFY_CRC32: | |
995 | dprint(FD_VERIFY, "fill crc32 io_u %p, len %u\n", | |
996 | io_u, hdr->len); | |
997 | fill_crc32(hdr, data, data_len); | |
998 | break; | |
999 | case VERIFY_CRC16: | |
1000 | dprint(FD_VERIFY, "fill crc16 io_u %p, len %u\n", | |
1001 | io_u, hdr->len); | |
1002 | fill_crc16(hdr, data, data_len); | |
1003 | break; | |
1004 | case VERIFY_CRC7: | |
1005 | dprint(FD_VERIFY, "fill crc7 io_u %p, len %u\n", | |
1006 | io_u, hdr->len); | |
1007 | fill_crc7(hdr, data, data_len); | |
1008 | break; | |
1009 | case VERIFY_SHA256: | |
1010 | dprint(FD_VERIFY, "fill sha256 io_u %p, len %u\n", | |
1011 | io_u, hdr->len); | |
1012 | fill_sha256(hdr, data, data_len); | |
1013 | break; | |
1014 | case VERIFY_SHA512: | |
1015 | dprint(FD_VERIFY, "fill sha512 io_u %p, len %u\n", | |
1016 | io_u, hdr->len); | |
1017 | fill_sha512(hdr, data, data_len); | |
1018 | break; | |
844ea602 JA |
1019 | case VERIFY_XXHASH: |
1020 | dprint(FD_VERIFY, "fill xxhash io_u %p, len %u\n", | |
1021 | io_u, hdr->len); | |
1022 | fill_xxhash(hdr, data, data_len); | |
1023 | break; | |
7d9fb455 JA |
1024 | case VERIFY_META: |
1025 | dprint(FD_VERIFY, "fill meta io_u %p, len %u\n", | |
1026 | io_u, hdr->len); | |
1027 | fill_meta(hdr, td, io_u, header_num); | |
1028 | break; | |
1029 | case VERIFY_SHA1: | |
1030 | dprint(FD_VERIFY, "fill sha1 io_u %p, len %u\n", | |
1031 | io_u, hdr->len); | |
1032 | fill_sha1(hdr, data, data_len); | |
1033 | break; | |
92bf48d5 JA |
1034 | case VERIFY_PATTERN: |
1035 | /* nothing to do here */ | |
1036 | break; | |
7d9fb455 JA |
1037 | default: |
1038 | log_err("fio: bad verify type: %d\n", td->o.verify); | |
1039 | assert(0); | |
1040 | } | |
1041 | if (td->o.verify_offset) | |
1042 | memswp(p, p + td->o.verify_offset, hdr_size(hdr)); | |
1043 | } | |
1044 | ||
e29d1b70 JA |
1045 | /* |
1046 | * fill body of io_u->buf with random data and add a header with the | |
c50ca7bd | 1047 | * checksum of choice |
e29d1b70 JA |
1048 | */ |
1049 | void populate_verify_io_u(struct thread_data *td, struct io_u *io_u) | |
1050 | { | |
9cc3d150 JA |
1051 | if (td->o.verify == VERIFY_NULL) |
1052 | return; | |
1053 | ||
da0a7bd2 JC |
1054 | io_u->numberio = td->io_issues[io_u->ddir]; |
1055 | ||
c50ca7bd | 1056 | fill_pattern_headers(td, io_u, 0, 0); |
e29d1b70 JA |
1057 | } |
1058 | ||
1059 | int get_next_verify(struct thread_data *td, struct io_u *io_u) | |
1060 | { | |
8de8f047 | 1061 | struct io_piece *ipo = NULL; |
e29d1b70 | 1062 | |
d2d7fa53 JA |
1063 | /* |
1064 | * this io_u is from a requeue, we already filled the offsets | |
1065 | */ | |
1066 | if (io_u->file) | |
1067 | return 0; | |
1068 | ||
8de8f047 JA |
1069 | if (!RB_EMPTY_ROOT(&td->io_hist_tree)) { |
1070 | struct rb_node *n = rb_first(&td->io_hist_tree); | |
e29d1b70 | 1071 | |
8de8f047 | 1072 | ipo = rb_entry(n, struct io_piece, rb_node); |
f9401285 JA |
1073 | |
1074 | /* | |
1075 | * Ensure that the associated IO has completed | |
1076 | */ | |
1077 | read_barrier(); | |
1078 | if (ipo->flags & IP_F_IN_FLIGHT) | |
1079 | goto nothing; | |
1080 | ||
4b87898e | 1081 | rb_erase(n, &td->io_hist_tree); |
a917a8b3 JA |
1082 | assert(ipo->flags & IP_F_ONRB); |
1083 | ipo->flags &= ~IP_F_ONRB; | |
01743ee1 JA |
1084 | } else if (!flist_empty(&td->io_hist_list)) { |
1085 | ipo = flist_entry(td->io_hist_list.next, struct io_piece, list); | |
f9401285 JA |
1086 | |
1087 | /* | |
1088 | * Ensure that the associated IO has completed | |
1089 | */ | |
1090 | read_barrier(); | |
1091 | if (ipo->flags & IP_F_IN_FLIGHT) | |
1092 | goto nothing; | |
1093 | ||
01743ee1 | 1094 | flist_del(&ipo->list); |
a917a8b3 JA |
1095 | assert(ipo->flags & IP_F_ONLIST); |
1096 | ipo->flags &= ~IP_F_ONLIST; | |
8de8f047 | 1097 | } |
e29d1b70 | 1098 | |
8de8f047 | 1099 | if (ipo) { |
0d29de83 JA |
1100 | td->io_hist_len--; |
1101 | ||
e29d1b70 JA |
1102 | io_u->offset = ipo->offset; |
1103 | io_u->buflen = ipo->len; | |
da0a7bd2 | 1104 | io_u->numberio = ipo->numberio; |
36167d82 | 1105 | io_u->file = ipo->file; |
82af2a7c | 1106 | io_u->flags |= IO_U_F_VER_LIST; |
97af62ce | 1107 | |
0d29de83 JA |
1108 | if (ipo->flags & IP_F_TRIMMED) |
1109 | io_u->flags |= IO_U_F_TRIMMED; | |
1110 | ||
d6aed795 | 1111 | if (!fio_file_open(io_u->file)) { |
97af62ce JA |
1112 | int r = td_io_open_file(td, io_u->file); |
1113 | ||
bd6f78b2 JA |
1114 | if (r) { |
1115 | dprint(FD_VERIFY, "failed file %s open\n", | |
1116 | io_u->file->file_name); | |
97af62ce | 1117 | return 1; |
bd6f78b2 | 1118 | } |
97af62ce JA |
1119 | } |
1120 | ||
1121 | get_file(ipo->file); | |
d6aed795 | 1122 | assert(fio_file_open(io_u->file)); |
e29d1b70 | 1123 | io_u->ddir = DDIR_READ; |
36167d82 JA |
1124 | io_u->xfer_buf = io_u->buf; |
1125 | io_u->xfer_buflen = io_u->buflen; | |
0d29de83 JA |
1126 | |
1127 | remove_trim_entry(td, ipo); | |
e29d1b70 | 1128 | free(ipo); |
bd6f78b2 | 1129 | dprint(FD_VERIFY, "get_next_verify: ret io_u %p\n", io_u); |
c4b6117b PV |
1130 | |
1131 | if (!td->o.verify_pattern_bytes) { | |
1132 | io_u->rand_seed = __rand(&td->__verify_state); | |
1133 | if (sizeof(int) != sizeof(long *)) | |
1134 | io_u->rand_seed *= __rand(&td->__verify_state); | |
1135 | } | |
e29d1b70 JA |
1136 | return 0; |
1137 | } | |
1138 | ||
f9401285 | 1139 | nothing: |
bd6f78b2 | 1140 | dprint(FD_VERIFY, "get_next_verify: empty\n"); |
e29d1b70 JA |
1141 | return 1; |
1142 | } | |
e8462bd8 | 1143 | |
dc5bfbb2 JA |
1144 | void fio_verify_init(struct thread_data *td) |
1145 | { | |
1146 | if (td->o.verify == VERIFY_CRC32C_INTEL || | |
1147 | td->o.verify == VERIFY_CRC32C) { | |
1148 | crc32c_intel_probe(); | |
1149 | } | |
1150 | } | |
1151 | ||
e8462bd8 JA |
1152 | static void *verify_async_thread(void *data) |
1153 | { | |
1154 | struct thread_data *td = data; | |
1155 | struct io_u *io_u; | |
1156 | int ret = 0; | |
1157 | ||
1158 | if (td->o.verify_cpumask_set && | |
1159 | fio_setaffinity(td->pid, td->o.verify_cpumask)) { | |
1160 | log_err("fio: failed setting verify thread affinity\n"); | |
1161 | goto done; | |
1162 | } | |
1163 | ||
1164 | do { | |
e53ab27c JA |
1165 | FLIST_HEAD(list); |
1166 | ||
e8462bd8 JA |
1167 | read_barrier(); |
1168 | if (td->verify_thread_exit) | |
1169 | break; | |
1170 | ||
1171 | pthread_mutex_lock(&td->io_u_lock); | |
1172 | ||
1173 | while (flist_empty(&td->verify_list) && | |
1174 | !td->verify_thread_exit) { | |
b36e298b JA |
1175 | ret = pthread_cond_wait(&td->verify_cond, |
1176 | &td->io_u_lock); | |
e8462bd8 JA |
1177 | if (ret) { |
1178 | pthread_mutex_unlock(&td->io_u_lock); | |
1179 | break; | |
1180 | } | |
1181 | } | |
1182 | ||
e53ab27c JA |
1183 | flist_splice_init(&td->verify_list, &list); |
1184 | pthread_mutex_unlock(&td->io_u_lock); | |
1185 | ||
1186 | if (flist_empty(&list)) | |
e8462bd8 | 1187 | continue; |
e8462bd8 | 1188 | |
e53ab27c | 1189 | while (!flist_empty(&list)) { |
2ae0b204 JA |
1190 | io_u = flist_entry(list.next, struct io_u, verify_list); |
1191 | flist_del(&io_u->verify_list); | |
e8462bd8 | 1192 | |
d561f2ab | 1193 | ret = verify_io_u(td, io_u); |
e53ab27c | 1194 | put_io_u(td, io_u); |
d561f2ab JA |
1195 | if (!ret) |
1196 | continue; | |
8b28bd41 | 1197 | if (td_non_fatal_error(td, ERROR_TYPE_VERIFY_BIT, ret)) { |
d561f2ab JA |
1198 | update_error_count(td, ret); |
1199 | td_clear_error(td); | |
1200 | ret = 0; | |
1201 | } | |
e53ab27c | 1202 | } |
e8462bd8 JA |
1203 | } while (!ret); |
1204 | ||
d561f2ab JA |
1205 | if (ret) { |
1206 | td_verror(td, ret, "async_verify"); | |
f3e6cb95 JA |
1207 | if (td->o.verify_fatal) |
1208 | td->terminate = 1; | |
d561f2ab JA |
1209 | } |
1210 | ||
e8462bd8 JA |
1211 | done: |
1212 | pthread_mutex_lock(&td->io_u_lock); | |
1213 | td->nr_verify_threads--; | |
1214 | pthread_mutex_unlock(&td->io_u_lock); | |
1215 | ||
1216 | pthread_cond_signal(&td->free_cond); | |
1217 | return NULL; | |
1218 | } | |
1219 | ||
1220 | int verify_async_init(struct thread_data *td) | |
1221 | { | |
1222 | int i, ret; | |
304a47c7 VA |
1223 | pthread_attr_t attr; |
1224 | ||
1225 | pthread_attr_init(&attr); | |
1226 | pthread_attr_setstacksize(&attr, PTHREAD_STACK_MIN); | |
e8462bd8 JA |
1227 | |
1228 | td->verify_thread_exit = 0; | |
1229 | ||
1230 | td->verify_threads = malloc(sizeof(pthread_t) * td->o.verify_async); | |
1231 | for (i = 0; i < td->o.verify_async; i++) { | |
304a47c7 | 1232 | ret = pthread_create(&td->verify_threads[i], &attr, |
e8462bd8 JA |
1233 | verify_async_thread, td); |
1234 | if (ret) { | |
1235 | log_err("fio: async verify creation failed: %s\n", | |
1236 | strerror(ret)); | |
1237 | break; | |
1238 | } | |
1239 | ret = pthread_detach(td->verify_threads[i]); | |
1240 | if (ret) { | |
1241 | log_err("fio: async verify thread detach failed: %s\n", | |
1242 | strerror(ret)); | |
1243 | break; | |
1244 | } | |
1245 | td->nr_verify_threads++; | |
1246 | } | |
1247 | ||
304a47c7 VA |
1248 | pthread_attr_destroy(&attr); |
1249 | ||
e8462bd8 | 1250 | if (i != td->o.verify_async) { |
e40823b1 | 1251 | log_err("fio: only %d verify threads started, exiting\n", i); |
e8462bd8 JA |
1252 | td->verify_thread_exit = 1; |
1253 | write_barrier(); | |
1254 | pthread_cond_broadcast(&td->verify_cond); | |
1255 | return 1; | |
1256 | } | |
1257 | ||
1258 | return 0; | |
1259 | } | |
1260 | ||
1261 | void verify_async_exit(struct thread_data *td) | |
1262 | { | |
1263 | td->verify_thread_exit = 1; | |
1264 | write_barrier(); | |
1265 | pthread_cond_broadcast(&td->verify_cond); | |
1266 | ||
1267 | pthread_mutex_lock(&td->io_u_lock); | |
1268 | ||
1269 | while (td->nr_verify_threads) | |
1270 | pthread_cond_wait(&td->free_cond, &td->io_u_lock); | |
1271 | ||
1272 | pthread_mutex_unlock(&td->io_u_lock); | |
1273 | free(td->verify_threads); | |
1274 | td->verify_threads = NULL; | |
1275 | } |