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" |
2cac8fcb | 16 | #include "lib/pattern.h" |
e29d1b70 | 17 | |
eef6eea1 JA |
18 | #include "crc/md5.h" |
19 | #include "crc/crc64.h" | |
20 | #include "crc/crc32.h" | |
bac39e0e | 21 | #include "crc/crc32c.h" |
eef6eea1 JA |
22 | #include "crc/crc16.h" |
23 | #include "crc/crc7.h" | |
24 | #include "crc/sha256.h" | |
25 | #include "crc/sha512.h" | |
7c353ceb | 26 | #include "crc/sha1.h" |
844ea602 | 27 | #include "crc/xxhash.h" |
ae3a5acc | 28 | #include "crc/sha3.h" |
cd14cc10 | 29 | |
7d9fb455 JA |
30 | static void populate_hdr(struct thread_data *td, struct io_u *io_u, |
31 | struct verify_header *hdr, unsigned int header_num, | |
32 | unsigned int header_len); | |
b638d82f RP |
33 | static void __fill_hdr(struct thread_data *td, struct io_u *io_u, |
34 | struct verify_header *hdr, unsigned int header_num, | |
35 | unsigned int header_len, uint64_t rand_seed); | |
7d9fb455 | 36 | |
ce35b1ec JA |
37 | void fill_buffer_pattern(struct thread_data *td, void *p, unsigned int len) |
38 | { | |
2cac8fcb | 39 | (void)cpy_pattern(td->o.buffer_pattern, td->o.buffer_pattern_bytes, p, len); |
ce35b1ec JA |
40 | } |
41 | ||
a89ba4b1 JA |
42 | static void __fill_buffer(struct thread_options *o, unsigned long seed, void *p, |
43 | unsigned int len) | |
7fa085ea JA |
44 | { |
45 | __fill_random_buf_percentage(seed, p, o->compress_percentage, len, len, o->buffer_pattern, o->buffer_pattern_bytes); | |
46 | } | |
47 | ||
a89ba4b1 JA |
48 | static unsigned long fill_buffer(struct thread_data *td, void *p, |
49 | unsigned int len) | |
7fa085ea JA |
50 | { |
51 | struct frand_state *fs = &td->verify_state; | |
52 | struct thread_options *o = &td->o; | |
53 | ||
54 | return fill_random_buf_percentage(fs, p, o->compress_percentage, len, len, o->buffer_pattern, o->buffer_pattern_bytes); | |
55 | } | |
56 | ||
ce35b1ec JA |
57 | void fill_verify_pattern(struct thread_data *td, void *p, unsigned int len, |
58 | struct io_u *io_u, unsigned long seed, int use_seed) | |
59 | { | |
bc769898 JA |
60 | struct thread_options *o = &td->o; |
61 | ||
62 | if (!o->verify_pattern_bytes) { | |
ce35b1ec JA |
63 | dprint(FD_VERIFY, "fill random bytes len=%u\n", len); |
64 | ||
65 | if (use_seed) | |
7fa085ea JA |
66 | __fill_buffer(o, seed, p, len); |
67 | else | |
68 | io_u->rand_seed = fill_buffer(td, p, len); | |
ce35b1ec JA |
69 | return; |
70 | } | |
c4b6117b | 71 | |
61b9861d RP |
72 | /* Skip if we were here and we do not need to patch pattern |
73 | * with format */ | |
74 | if (!td->o.verify_fmt_sz && io_u->buf_filled_len >= len) { | |
ce35b1ec | 75 | dprint(FD_VERIFY, "using already filled verify pattern b=%d len=%u\n", |
bc769898 | 76 | o->verify_pattern_bytes, len); |
ce35b1ec JA |
77 | return; |
78 | } | |
79 | ||
61b9861d RP |
80 | (void)paste_format(td->o.verify_pattern, td->o.verify_pattern_bytes, |
81 | td->o.verify_fmt, td->o.verify_fmt_sz, | |
82 | p, len, io_u); | |
ce35b1ec JA |
83 | io_u->buf_filled_len = len; |
84 | } | |
85 | ||
cfbcd0dc JA |
86 | static unsigned int get_hdr_inc(struct thread_data *td, struct io_u *io_u) |
87 | { | |
88 | unsigned int hdr_inc; | |
89 | ||
57a61cd0 JA |
90 | /* |
91 | * If we use bs_unaligned, buflen can be larger than the verify | |
92 | * interval (which just defaults to the smallest blocksize possible). | |
93 | */ | |
cfbcd0dc | 94 | hdr_inc = io_u->buflen; |
57a61cd0 JA |
95 | if (td->o.verify_interval && td->o.verify_interval <= io_u->buflen && |
96 | !td->o.bs_unaligned) | |
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: | |
b638d82f | 150 | case VERIFY_HDR_ONLY: |
546dfd9f | 151 | case VERIFY_NULL: |
ed3a433d | 152 | case VERIFY_PATTERN: |
546dfd9f JA |
153 | len = 0; |
154 | break; | |
155 | case VERIFY_MD5: | |
156 | len = sizeof(struct vhdr_md5); | |
157 | break; | |
158 | case VERIFY_CRC64: | |
159 | len = sizeof(struct vhdr_crc64); | |
160 | break; | |
bac39e0e | 161 | case VERIFY_CRC32C: |
546dfd9f | 162 | case VERIFY_CRC32: |
3845591f | 163 | case VERIFY_CRC32C_INTEL: |
546dfd9f JA |
164 | len = sizeof(struct vhdr_crc32); |
165 | break; | |
166 | case VERIFY_CRC16: | |
167 | len = sizeof(struct vhdr_crc16); | |
168 | break; | |
169 | case VERIFY_CRC7: | |
170 | len = sizeof(struct vhdr_crc7); | |
171 | break; | |
172 | case VERIFY_SHA256: | |
173 | len = sizeof(struct vhdr_sha256); | |
174 | break; | |
175 | case VERIFY_SHA512: | |
176 | len = sizeof(struct vhdr_sha512); | |
177 | break; | |
ae3a5acc JA |
178 | case VERIFY_SHA3_224: |
179 | len = sizeof(struct vhdr_sha3_224); | |
180 | break; | |
181 | case VERIFY_SHA3_256: | |
182 | len = sizeof(struct vhdr_sha3_256); | |
183 | break; | |
184 | case VERIFY_SHA3_384: | |
185 | len = sizeof(struct vhdr_sha3_384); | |
186 | break; | |
187 | case VERIFY_SHA3_512: | |
188 | len = sizeof(struct vhdr_sha3_512); | |
189 | break; | |
844ea602 JA |
190 | case VERIFY_XXHASH: |
191 | len = sizeof(struct vhdr_xxhash); | |
192 | break; | |
7c353ceb JA |
193 | case VERIFY_SHA1: |
194 | len = sizeof(struct vhdr_sha1); | |
195 | break; | |
59245381 | 196 | case VERIFY_PATTERN_NO_HDR: |
ed3a433d | 197 | return 0; |
546dfd9f JA |
198 | default: |
199 | log_err("fio: unknown verify header!\n"); | |
200 | assert(0); | |
201 | } | |
202 | ||
203 | return len + sizeof(struct verify_header); | |
87677832 JA |
204 | } |
205 | ||
ed3a433d JA |
206 | static inline unsigned int hdr_size(struct thread_data *td, |
207 | struct verify_header *hdr) | |
87677832 | 208 | { |
ed3a433d JA |
209 | if (td->o.verify == VERIFY_PATTERN_NO_HDR) |
210 | return 0; | |
211 | ||
546dfd9f JA |
212 | return __hdr_size(hdr->verify_type); |
213 | } | |
214 | ||
215 | static void *hdr_priv(struct verify_header *hdr) | |
216 | { | |
217 | void *priv = hdr; | |
218 | ||
219 | return priv + sizeof(struct verify_header); | |
87677832 JA |
220 | } |
221 | ||
936216f8 JA |
222 | /* |
223 | * Verify container, pass info to verify handlers and allow them to | |
224 | * pass info back in case of error | |
225 | */ | |
226 | struct vcont { | |
227 | /* | |
228 | * Input | |
229 | */ | |
230 | struct io_u *io_u; | |
231 | unsigned int hdr_num; | |
7d9fb455 | 232 | struct thread_data *td; |
936216f8 JA |
233 | |
234 | /* | |
235 | * Output, only valid in case of error | |
236 | */ | |
bfacf389 JA |
237 | const char *name; |
238 | void *good_crc; | |
239 | void *bad_crc; | |
936216f8 JA |
240 | unsigned int crc_len; |
241 | }; | |
242 | ||
dacbbb88 JA |
243 | #define DUMP_BUF_SZ 255 |
244 | static int dump_buf_warned; | |
245 | ||
c50ca7bd JA |
246 | static void dump_buf(char *buf, unsigned int len, unsigned long long offset, |
247 | const char *type, struct fio_file *f) | |
7d9fb455 | 248 | { |
dacbbb88 JA |
249 | char *ptr, fname[DUMP_BUF_SZ]; |
250 | size_t buf_left = DUMP_BUF_SZ; | |
7d9fb455 JA |
251 | int ret, fd; |
252 | ||
6f260b31 | 253 | ptr = strdup(f->file_name); |
c50ca7bd | 254 | |
d264264a JA |
255 | memset(fname, 0, sizeof(fname)); |
256 | if (aux_path) | |
53a7af85 | 257 | sprintf(fname, "%s%c", aux_path, FIO_OS_PATH_SEPARATOR); |
d264264a JA |
258 | |
259 | strncpy(fname + strlen(fname), basename(ptr), buf_left - 1); | |
dacbbb88 JA |
260 | |
261 | buf_left -= strlen(fname); | |
262 | if (buf_left <= 0) { | |
263 | if (!dump_buf_warned) { | |
264 | log_err("fio: verify failure dump buffer too small\n"); | |
265 | dump_buf_warned = 1; | |
266 | } | |
267 | free(ptr); | |
268 | return; | |
269 | } | |
270 | ||
271 | snprintf(fname + strlen(fname), buf_left, ".%llu.%s", offset, type); | |
7d9fb455 JA |
272 | |
273 | fd = open(fname, O_CREAT | O_TRUNC | O_WRONLY, 0644); | |
274 | if (fd < 0) { | |
275 | perror("open verify buf file"); | |
5bb51e60 | 276 | free(ptr); |
7d9fb455 JA |
277 | return; |
278 | } | |
279 | ||
280 | while (len) { | |
281 | ret = write(fd, buf, len); | |
282 | if (!ret) | |
283 | break; | |
284 | else if (ret < 0) { | |
285 | perror("write verify buf file"); | |
286 | break; | |
287 | } | |
288 | len -= ret; | |
289 | buf += ret; | |
290 | } | |
291 | ||
292 | close(fd); | |
c50ca7bd | 293 | log_err(" %s data dumped as %s\n", type, fname); |
6f260b31 | 294 | free(ptr); |
7d9fb455 JA |
295 | } |
296 | ||
c50ca7bd JA |
297 | /* |
298 | * Dump the contents of the read block and re-generate the correct data | |
299 | * and dump that too. | |
300 | */ | |
9ba987cc | 301 | static void __dump_verify_buffers(struct verify_header *hdr, struct vcont *vc) |
7d9fb455 JA |
302 | { |
303 | struct thread_data *td = vc->td; | |
304 | struct io_u *io_u = vc->io_u; | |
305 | unsigned long hdr_offset; | |
7d9fb455 | 306 | struct io_u dummy; |
c50ca7bd | 307 | void *buf; |
7d9fb455 | 308 | |
0dce9bc9 SL |
309 | if (!td->o.verify_dump) |
310 | return; | |
311 | ||
c50ca7bd JA |
312 | /* |
313 | * Dump the contents we just read off disk | |
314 | */ | |
7d9fb455 JA |
315 | hdr_offset = vc->hdr_num * hdr->len; |
316 | ||
c50ca7bd JA |
317 | dump_buf(io_u->buf + hdr_offset, hdr->len, io_u->offset + hdr_offset, |
318 | "received", vc->io_u->file); | |
7d9fb455 | 319 | |
c50ca7bd JA |
320 | /* |
321 | * Allocate a new buf and re-generate the original data | |
322 | */ | |
323 | buf = malloc(io_u->buflen); | |
7d9fb455 | 324 | dummy = *io_u; |
c50ca7bd | 325 | dummy.buf = buf; |
4aae38a6 | 326 | dummy.rand_seed = hdr->rand_seed; |
cfbcd0dc | 327 | dummy.buf_filled_len = 0; |
0d81daf9 | 328 | dummy.buflen = io_u->buflen; |
7d9fb455 | 329 | |
c50ca7bd | 330 | fill_pattern_headers(td, &dummy, hdr->rand_seed, 1); |
7d9fb455 | 331 | |
c50ca7bd JA |
332 | dump_buf(buf + hdr_offset, hdr->len, io_u->offset + hdr_offset, |
333 | "expected", vc->io_u->file); | |
7d9fb455 JA |
334 | free(buf); |
335 | } | |
336 | ||
9ba987cc JA |
337 | static void dump_verify_buffers(struct verify_header *hdr, struct vcont *vc) |
338 | { | |
339 | struct thread_data *td = vc->td; | |
340 | struct verify_header shdr; | |
341 | ||
342 | if (td->o.verify == VERIFY_PATTERN_NO_HDR) { | |
b638d82f | 343 | __fill_hdr(td, vc->io_u, &shdr, 0, vc->io_u->buflen, 0); |
9ba987cc JA |
344 | hdr = &shdr; |
345 | } | |
346 | ||
347 | __dump_verify_buffers(hdr, vc); | |
348 | } | |
349 | ||
bfacf389 JA |
350 | static void log_verify_failure(struct verify_header *hdr, struct vcont *vc) |
351 | { | |
352 | unsigned long long offset; | |
353 | ||
354 | offset = vc->io_u->offset; | |
355 | offset += vc->hdr_num * hdr->len; | |
32c17adf JA |
356 | log_err("%.8s: verify failed at file %s offset %llu, length %u\n", |
357 | vc->name, vc->io_u->file->file_name, offset, hdr->len); | |
bfacf389 JA |
358 | |
359 | if (vc->good_crc && vc->bad_crc) { | |
360 | log_err(" Expected CRC: "); | |
361 | hexdump(vc->good_crc, vc->crc_len); | |
362 | log_err(" Received CRC: "); | |
363 | hexdump(vc->bad_crc, vc->crc_len); | |
364 | } | |
7d9fb455 JA |
365 | |
366 | dump_verify_buffers(hdr, vc); | |
bfacf389 JA |
367 | } |
368 | ||
d9f2caf3 JA |
369 | /* |
370 | * Return data area 'header_num' | |
371 | */ | |
936216f8 | 372 | static inline void *io_u_verify_off(struct verify_header *hdr, struct vcont *vc) |
d9f2caf3 | 373 | { |
ed3a433d | 374 | return vc->io_u->buf + vc->hdr_num * hdr->len + hdr_size(vc->td, hdr); |
d9f2caf3 JA |
375 | } |
376 | ||
92bf48d5 JA |
377 | static int verify_io_u_pattern(struct verify_header *hdr, struct vcont *vc) |
378 | { | |
379 | struct thread_data *td = vc->td; | |
380 | struct io_u *io_u = vc->io_u; | |
381 | char *buf, *pattern; | |
2b13e716 | 382 | unsigned int header_size = __hdr_size(td->o.verify); |
25276497 RP |
383 | unsigned int len, mod, i, pattern_size; |
384 | int rc; | |
92bf48d5 JA |
385 | |
386 | pattern = td->o.verify_pattern; | |
9a2a86d0 | 387 | pattern_size = td->o.verify_pattern_bytes; |
61b9861d RP |
388 | assert(pattern_size != 0); |
389 | ||
390 | (void)paste_format_inplace(pattern, pattern_size, | |
391 | td->o.verify_fmt, td->o.verify_fmt_sz, io_u); | |
392 | ||
d637b8b8 | 393 | buf = (char *) hdr + header_size; |
2b13e716 | 394 | len = get_hdr_inc(td, io_u) - header_size; |
61b9861d | 395 | mod = (get_hdr_inc(td, io_u) * vc->hdr_num + header_size) % pattern_size; |
9a2a86d0 | 396 | |
25276497 RP |
397 | rc = cmp_pattern(pattern, pattern_size, mod, buf, len); |
398 | if (!rc) | |
399 | return 0; | |
92bf48d5 | 400 | |
25276497 RP |
401 | /* Slow path, compare each byte */ |
402 | for (i = 0; i < len; i++) { | |
92bf48d5 JA |
403 | if (buf[i] != pattern[mod]) { |
404 | unsigned int bits; | |
405 | ||
406 | bits = hweight8(buf[i] ^ pattern[mod]); | |
25276497 RP |
407 | log_err("fio: got pattern '%02x', wanted '%02x'. Bad bits %d\n", |
408 | (unsigned char)buf[i], | |
409 | (unsigned char)pattern[mod], | |
410 | bits); | |
92bf48d5 | 411 | log_err("fio: bad pattern block offset %u\n", i); |
7ea0a9ad | 412 | vc->name = "pattern"; |
d0c8ccb0 | 413 | log_verify_failure(hdr, vc); |
92bf48d5 JA |
414 | return EILSEQ; |
415 | } | |
416 | mod++; | |
417 | if (mod == td->o.verify_pattern_bytes) | |
418 | mod = 0; | |
419 | } | |
420 | ||
25276497 RP |
421 | /* Unreachable line */ |
422 | assert(0); | |
423 | return EILSEQ; | |
92bf48d5 JA |
424 | } |
425 | ||
844ea602 JA |
426 | static int verify_io_u_xxhash(struct verify_header *hdr, struct vcont *vc) |
427 | { | |
428 | void *p = io_u_verify_off(hdr, vc); | |
429 | struct vhdr_xxhash *vh = hdr_priv(hdr); | |
430 | uint32_t hash; | |
431 | void *state; | |
432 | ||
433 | dprint(FD_VERIFY, "xxhash verify io_u %p, len %u\n", vc->io_u, hdr->len); | |
434 | ||
435 | state = XXH32_init(1); | |
ed3a433d | 436 | XXH32_update(state, p, hdr->len - hdr_size(vc->td, hdr)); |
844ea602 JA |
437 | hash = XXH32_digest(state); |
438 | ||
439 | if (vh->hash == hash) | |
440 | return 0; | |
441 | ||
442 | vc->name = "xxhash"; | |
443 | vc->good_crc = &vh->hash; | |
444 | vc->bad_crc = &hash; | |
445 | vc->crc_len = sizeof(hash); | |
446 | log_verify_failure(hdr, vc); | |
447 | return EILSEQ; | |
448 | } | |
449 | ||
ae3a5acc JA |
450 | static int verify_io_u_sha3(struct verify_header *hdr, struct vcont *vc, |
451 | struct fio_sha3_ctx *sha3_ctx, uint8_t *sha, | |
452 | unsigned int sha_size, const char *name) | |
453 | { | |
454 | void *p = io_u_verify_off(hdr, vc); | |
455 | ||
456 | dprint(FD_VERIFY, "%s verify io_u %p, len %u\n", name, vc->io_u, hdr->len); | |
457 | ||
458 | fio_sha3_update(sha3_ctx, p, hdr->len - hdr_size(vc->td, hdr)); | |
459 | fio_sha3_final(sha3_ctx); | |
460 | ||
461 | if (!memcmp(sha, sha3_ctx->sha, sha_size)) | |
462 | return 0; | |
463 | ||
464 | vc->name = name; | |
465 | vc->good_crc = sha; | |
466 | vc->bad_crc = sha3_ctx->sha; | |
467 | vc->crc_len = sha_size; | |
468 | log_verify_failure(hdr, vc); | |
469 | return EILSEQ; | |
470 | } | |
471 | ||
472 | static int verify_io_u_sha3_224(struct verify_header *hdr, struct vcont *vc) | |
473 | { | |
474 | struct vhdr_sha3_224 *vh = hdr_priv(hdr); | |
475 | uint8_t sha[SHA3_224_DIGEST_SIZE]; | |
476 | struct fio_sha3_ctx sha3_ctx = { | |
477 | .sha = sha, | |
478 | }; | |
479 | ||
480 | fio_sha3_224_init(&sha3_ctx); | |
481 | ||
482 | return verify_io_u_sha3(hdr, vc, &sha3_ctx, vh->sha, | |
483 | SHA3_224_DIGEST_SIZE, "sha3-224"); | |
484 | } | |
485 | ||
486 | static int verify_io_u_sha3_256(struct verify_header *hdr, struct vcont *vc) | |
487 | { | |
488 | struct vhdr_sha3_256 *vh = hdr_priv(hdr); | |
489 | uint8_t sha[SHA3_256_DIGEST_SIZE]; | |
490 | struct fio_sha3_ctx sha3_ctx = { | |
491 | .sha = sha, | |
492 | }; | |
493 | ||
494 | fio_sha3_256_init(&sha3_ctx); | |
495 | ||
496 | return verify_io_u_sha3(hdr, vc, &sha3_ctx, vh->sha, | |
497 | SHA3_256_DIGEST_SIZE, "sha3-256"); | |
498 | } | |
499 | ||
500 | static int verify_io_u_sha3_384(struct verify_header *hdr, struct vcont *vc) | |
501 | { | |
502 | struct vhdr_sha3_384 *vh = hdr_priv(hdr); | |
503 | uint8_t sha[SHA3_384_DIGEST_SIZE]; | |
504 | struct fio_sha3_ctx sha3_ctx = { | |
505 | .sha = sha, | |
506 | }; | |
507 | ||
508 | fio_sha3_384_init(&sha3_ctx); | |
509 | ||
510 | return verify_io_u_sha3(hdr, vc, &sha3_ctx, vh->sha, | |
511 | SHA3_384_DIGEST_SIZE, "sha3-384"); | |
512 | } | |
513 | ||
514 | static int verify_io_u_sha3_512(struct verify_header *hdr, struct vcont *vc) | |
515 | { | |
516 | struct vhdr_sha3_512 *vh = hdr_priv(hdr); | |
517 | uint8_t sha[SHA3_512_DIGEST_SIZE]; | |
518 | struct fio_sha3_ctx sha3_ctx = { | |
519 | .sha = sha, | |
520 | }; | |
521 | ||
522 | fio_sha3_512_init(&sha3_ctx); | |
523 | ||
524 | return verify_io_u_sha3(hdr, vc, &sha3_ctx, vh->sha, | |
525 | SHA3_512_DIGEST_SIZE, "sha3-512"); | |
526 | } | |
527 | ||
936216f8 | 528 | static int verify_io_u_sha512(struct verify_header *hdr, struct vcont *vc) |
cd14cc10 | 529 | { |
936216f8 | 530 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 531 | struct vhdr_sha512 *vh = hdr_priv(hdr); |
cd14cc10 | 532 | uint8_t sha512[128]; |
25dfa848 | 533 | struct fio_sha512_ctx sha512_ctx = { |
cd14cc10 JA |
534 | .buf = sha512, |
535 | }; | |
536 | ||
936216f8 | 537 | dprint(FD_VERIFY, "sha512 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 538 | |
25dfa848 | 539 | fio_sha512_init(&sha512_ctx); |
ed3a433d | 540 | fio_sha512_update(&sha512_ctx, p, hdr->len - hdr_size(vc->td, hdr)); |
cd14cc10 | 541 | |
bfacf389 JA |
542 | if (!memcmp(vh->sha512, sha512_ctx.buf, sizeof(sha512))) |
543 | return 0; | |
cd14cc10 | 544 | |
bfacf389 JA |
545 | vc->name = "sha512"; |
546 | vc->good_crc = vh->sha512; | |
547 | vc->bad_crc = sha512_ctx.buf; | |
548 | vc->crc_len = sizeof(vh->sha512); | |
549 | log_verify_failure(hdr, vc); | |
550 | return EILSEQ; | |
cd14cc10 JA |
551 | } |
552 | ||
936216f8 | 553 | static int verify_io_u_sha256(struct verify_header *hdr, struct vcont *vc) |
cd14cc10 | 554 | { |
936216f8 | 555 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 556 | struct vhdr_sha256 *vh = hdr_priv(hdr); |
bc77f56f | 557 | uint8_t sha256[64]; |
25dfa848 | 558 | struct fio_sha256_ctx sha256_ctx = { |
cd14cc10 JA |
559 | .buf = sha256, |
560 | }; | |
561 | ||
936216f8 | 562 | dprint(FD_VERIFY, "sha256 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 563 | |
25dfa848 | 564 | fio_sha256_init(&sha256_ctx); |
ed3a433d | 565 | fio_sha256_update(&sha256_ctx, p, hdr->len - hdr_size(vc->td, hdr)); |
017052b6 | 566 | fio_sha256_final(&sha256_ctx); |
cd14cc10 | 567 | |
bfacf389 JA |
568 | if (!memcmp(vh->sha256, sha256_ctx.buf, sizeof(sha256))) |
569 | return 0; | |
cd14cc10 | 570 | |
bfacf389 JA |
571 | vc->name = "sha256"; |
572 | vc->good_crc = vh->sha256; | |
573 | vc->bad_crc = sha256_ctx.buf; | |
574 | vc->crc_len = sizeof(vh->sha256); | |
575 | log_verify_failure(hdr, vc); | |
576 | return EILSEQ; | |
cd14cc10 JA |
577 | } |
578 | ||
936216f8 | 579 | static int verify_io_u_sha1(struct verify_header *hdr, struct vcont *vc) |
7c353ceb | 580 | { |
936216f8 | 581 | void *p = io_u_verify_off(hdr, vc); |
7c353ceb JA |
582 | struct vhdr_sha1 *vh = hdr_priv(hdr); |
583 | uint32_t sha1[5]; | |
25dfa848 | 584 | struct fio_sha1_ctx sha1_ctx = { |
7c353ceb JA |
585 | .H = sha1, |
586 | }; | |
587 | ||
936216f8 | 588 | dprint(FD_VERIFY, "sha1 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
7c353ceb | 589 | |
25dfa848 | 590 | fio_sha1_init(&sha1_ctx); |
ed3a433d | 591 | fio_sha1_update(&sha1_ctx, p, hdr->len - hdr_size(vc->td, hdr)); |
017052b6 | 592 | fio_sha1_final(&sha1_ctx); |
7c353ceb | 593 | |
bfacf389 JA |
594 | if (!memcmp(vh->sha1, sha1_ctx.H, sizeof(sha1))) |
595 | return 0; | |
7c353ceb | 596 | |
bfacf389 JA |
597 | vc->name = "sha1"; |
598 | vc->good_crc = vh->sha1; | |
599 | vc->bad_crc = sha1_ctx.H; | |
600 | vc->crc_len = sizeof(vh->sha1); | |
601 | log_verify_failure(hdr, vc); | |
602 | return EILSEQ; | |
7c353ceb JA |
603 | } |
604 | ||
936216f8 | 605 | static int verify_io_u_crc7(struct verify_header *hdr, struct vcont *vc) |
1e154bdb | 606 | { |
936216f8 | 607 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 608 | struct vhdr_crc7 *vh = hdr_priv(hdr); |
1e154bdb JA |
609 | unsigned char c; |
610 | ||
936216f8 | 611 | dprint(FD_VERIFY, "crc7 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 612 | |
ed3a433d | 613 | c = fio_crc7(p, hdr->len - hdr_size(vc->td, hdr)); |
1e154bdb | 614 | |
bfacf389 JA |
615 | if (c == vh->crc7) |
616 | return 0; | |
1e154bdb | 617 | |
bfacf389 JA |
618 | vc->name = "crc7"; |
619 | vc->good_crc = &vh->crc7; | |
620 | vc->bad_crc = &c; | |
621 | vc->crc_len = 1; | |
622 | log_verify_failure(hdr, vc); | |
623 | return EILSEQ; | |
1e154bdb JA |
624 | } |
625 | ||
936216f8 | 626 | static int verify_io_u_crc16(struct verify_header *hdr, struct vcont *vc) |
969f7ed3 | 627 | { |
936216f8 | 628 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 629 | struct vhdr_crc16 *vh = hdr_priv(hdr); |
969f7ed3 JA |
630 | unsigned short c; |
631 | ||
936216f8 | 632 | dprint(FD_VERIFY, "crc16 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 633 | |
ed3a433d | 634 | c = fio_crc16(p, hdr->len - hdr_size(vc->td, hdr)); |
969f7ed3 | 635 | |
bfacf389 JA |
636 | if (c == vh->crc16) |
637 | return 0; | |
969f7ed3 | 638 | |
bfacf389 JA |
639 | vc->name = "crc16"; |
640 | vc->good_crc = &vh->crc16; | |
641 | vc->bad_crc = &c; | |
642 | vc->crc_len = 2; | |
643 | log_verify_failure(hdr, vc); | |
644 | return EILSEQ; | |
969f7ed3 JA |
645 | } |
646 | ||
936216f8 | 647 | static int verify_io_u_crc64(struct verify_header *hdr, struct vcont *vc) |
d77a7af3 | 648 | { |
936216f8 | 649 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 650 | struct vhdr_crc64 *vh = hdr_priv(hdr); |
d77a7af3 JA |
651 | unsigned long long c; |
652 | ||
936216f8 | 653 | dprint(FD_VERIFY, "crc64 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 654 | |
ed3a433d | 655 | c = fio_crc64(p, hdr->len - hdr_size(vc->td, hdr)); |
d77a7af3 | 656 | |
bfacf389 JA |
657 | if (c == vh->crc64) |
658 | return 0; | |
d77a7af3 | 659 | |
bfacf389 JA |
660 | vc->name = "crc64"; |
661 | vc->good_crc = &vh->crc64; | |
662 | vc->bad_crc = &c; | |
663 | vc->crc_len = 8; | |
664 | log_verify_failure(hdr, vc); | |
665 | return EILSEQ; | |
d77a7af3 JA |
666 | } |
667 | ||
936216f8 | 668 | static int verify_io_u_crc32(struct verify_header *hdr, struct vcont *vc) |
e29d1b70 | 669 | { |
936216f8 | 670 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f JA |
671 | struct vhdr_crc32 *vh = hdr_priv(hdr); |
672 | uint32_t c; | |
e29d1b70 | 673 | |
936216f8 | 674 | dprint(FD_VERIFY, "crc32 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 675 | |
ed3a433d | 676 | c = fio_crc32(p, hdr->len - hdr_size(vc->td, hdr)); |
e29d1b70 | 677 | |
bfacf389 JA |
678 | if (c == vh->crc32) |
679 | return 0; | |
e29d1b70 | 680 | |
bfacf389 JA |
681 | vc->name = "crc32"; |
682 | vc->good_crc = &vh->crc32; | |
683 | vc->bad_crc = &c; | |
684 | vc->crc_len = 4; | |
685 | log_verify_failure(hdr, vc); | |
686 | return EILSEQ; | |
e29d1b70 JA |
687 | } |
688 | ||
936216f8 | 689 | static int verify_io_u_crc32c(struct verify_header *hdr, struct vcont *vc) |
bac39e0e | 690 | { |
936216f8 | 691 | void *p = io_u_verify_off(hdr, vc); |
bac39e0e JA |
692 | struct vhdr_crc32 *vh = hdr_priv(hdr); |
693 | uint32_t c; | |
694 | ||
936216f8 | 695 | dprint(FD_VERIFY, "crc32c verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bac39e0e | 696 | |
ed3a433d | 697 | c = fio_crc32c(p, hdr->len - hdr_size(vc->td, hdr)); |
bac39e0e | 698 | |
bfacf389 JA |
699 | if (c == vh->crc32) |
700 | return 0; | |
bac39e0e | 701 | |
bfacf389 JA |
702 | vc->name = "crc32c"; |
703 | vc->good_crc = &vh->crc32; | |
704 | vc->bad_crc = &c; | |
705 | vc->crc_len = 4; | |
706 | log_verify_failure(hdr, vc); | |
707 | return EILSEQ; | |
bac39e0e JA |
708 | } |
709 | ||
936216f8 | 710 | static int verify_io_u_md5(struct verify_header *hdr, struct vcont *vc) |
e29d1b70 | 711 | { |
936216f8 | 712 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 713 | struct vhdr_md5 *vh = hdr_priv(hdr); |
8c432325 | 714 | uint32_t hash[MD5_HASH_WORDS]; |
25dfa848 | 715 | struct fio_md5_ctx md5_ctx = { |
8c432325 JA |
716 | .hash = hash, |
717 | }; | |
e29d1b70 | 718 | |
936216f8 | 719 | dprint(FD_VERIFY, "md5 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 720 | |
25dfa848 | 721 | fio_md5_init(&md5_ctx); |
ed3a433d | 722 | fio_md5_update(&md5_ctx, p, hdr->len - hdr_size(vc->td, hdr)); |
017052b6 | 723 | fio_md5_final(&md5_ctx); |
e29d1b70 | 724 | |
bfacf389 JA |
725 | if (!memcmp(vh->md5_digest, md5_ctx.hash, sizeof(hash))) |
726 | return 0; | |
e29d1b70 | 727 | |
bfacf389 JA |
728 | vc->name = "md5"; |
729 | vc->good_crc = vh->md5_digest; | |
730 | vc->bad_crc = md5_ctx.hash; | |
731 | vc->crc_len = sizeof(hash); | |
732 | log_verify_failure(hdr, vc); | |
733 | return EILSEQ; | |
e29d1b70 JA |
734 | } |
735 | ||
e8462bd8 JA |
736 | /* |
737 | * Push IO verification to a separate thread | |
738 | */ | |
f8b0bd10 | 739 | int verify_io_u_async(struct thread_data *td, struct io_u **io_u_ptr) |
e8462bd8 | 740 | { |
f8b0bd10 | 741 | struct io_u *io_u = *io_u_ptr; |
e8462bd8 | 742 | |
e8462bd8 | 743 | pthread_mutex_lock(&td->io_u_lock); |
d7ee2a7d | 744 | |
f8b0bd10 JA |
745 | if (io_u->file) |
746 | put_file_log(td, io_u->file); | |
747 | ||
0c41214f RR |
748 | if (io_u->flags & IO_U_F_IN_CUR_DEPTH) { |
749 | td->cur_depth--; | |
1651e431 | 750 | io_u_clear(td, io_u, IO_U_F_IN_CUR_DEPTH); |
0c41214f | 751 | } |
2ae0b204 | 752 | flist_add_tail(&io_u->verify_list, &td->verify_list); |
f8b0bd10 | 753 | *io_u_ptr = NULL; |
e8462bd8 JA |
754 | pthread_mutex_unlock(&td->io_u_lock); |
755 | ||
756 | pthread_cond_signal(&td->verify_cond); | |
e8462bd8 JA |
757 | return 0; |
758 | } | |
759 | ||
323f58c5 JA |
760 | /* |
761 | * Thanks Rusty, for spending the time so I don't have to. | |
762 | * | |
763 | * http://rusty.ozlabs.org/?p=560 | |
764 | */ | |
765 | static int mem_is_zero(const void *data, size_t length) | |
766 | { | |
767 | const unsigned char *p = data; | |
768 | size_t len; | |
769 | ||
770 | /* Check first 16 bytes manually */ | |
771 | for (len = 0; len < 16; len++) { | |
772 | if (!length) | |
773 | return 1; | |
774 | if (*p) | |
775 | return 0; | |
776 | p++; | |
777 | length--; | |
778 | } | |
779 | ||
780 | /* Now we know that's zero, memcmp with self. */ | |
781 | return memcmp(data, p, length) == 0; | |
782 | } | |
783 | ||
784 | static int mem_is_zero_slow(const void *data, size_t length, size_t *offset) | |
785 | { | |
786 | const unsigned char *p = data; | |
787 | ||
788 | *offset = 0; | |
789 | while (length) { | |
790 | if (*p) | |
791 | break; | |
792 | (*offset)++; | |
793 | length--; | |
794 | p++; | |
795 | } | |
796 | ||
797 | return !length; | |
798 | } | |
799 | ||
0d29de83 JA |
800 | static int verify_trimmed_io_u(struct thread_data *td, struct io_u *io_u) |
801 | { | |
323f58c5 | 802 | size_t offset; |
0d29de83 JA |
803 | |
804 | if (!td->o.trim_zero) | |
805 | return 0; | |
806 | ||
323f58c5 | 807 | if (mem_is_zero(io_u->buf, io_u->buflen)) |
0d29de83 JA |
808 | return 0; |
809 | ||
323f58c5 JA |
810 | mem_is_zero_slow(io_u->buf, io_u->buflen, &offset); |
811 | ||
a917a8b3 JA |
812 | log_err("trim: verify failed at file %s offset %llu, length %lu" |
813 | ", block offset %lu\n", | |
814 | io_u->file->file_name, io_u->offset, io_u->buflen, | |
323f58c5 JA |
815 | (unsigned long) offset); |
816 | return EILSEQ; | |
0d29de83 JA |
817 | } |
818 | ||
b638d82f RP |
819 | static int verify_header(struct io_u *io_u, struct thread_data *td, |
820 | struct verify_header *hdr, unsigned int hdr_num, | |
821 | unsigned int hdr_len) | |
f65d1c26 JA |
822 | { |
823 | void *p = hdr; | |
824 | uint32_t crc; | |
825 | ||
5964842c AG |
826 | if (hdr->magic != FIO_HDR_MAGIC) { |
827 | log_err("verify: bad magic header %x, wanted %x", | |
828 | hdr->magic, FIO_HDR_MAGIC); | |
829 | goto err; | |
830 | } | |
4445856a | 831 | if (hdr->len != hdr_len) { |
5964842c AG |
832 | log_err("verify: bad header length %u, wanted %u", |
833 | hdr->len, hdr_len); | |
834 | goto err; | |
835 | } | |
836 | if (hdr->rand_seed != io_u->rand_seed) { | |
837 | log_err("verify: bad header rand_seed %"PRIu64 | |
838 | ", wanted %"PRIu64, | |
839 | hdr->rand_seed, io_u->rand_seed); | |
840 | goto err; | |
841 | } | |
b638d82f RP |
842 | if (hdr->offset != io_u->offset + hdr_num * td->o.verify_interval) { |
843 | log_err("verify: bad header offset %"PRIu64 | |
844 | ", wanted %llu", | |
845 | hdr->offset, io_u->offset); | |
846 | goto err; | |
847 | } | |
848 | ||
849 | /* | |
850 | * For read-only workloads, the program cannot be certain of the | |
851 | * last numberio written to a block. Checking of numberio will be | |
852 | * done only for workloads that write data. For verify_only, | |
853 | * numberio will be checked in the last iteration when the correct | |
854 | * state of numberio, that would have been written to each block | |
855 | * in a previous run of fio, has been reached. | |
856 | */ | |
dcf9844e | 857 | if (td_write(td) && (td_min_bs(td) == td_max_bs(td)) && |
b638d82f RP |
858 | !td->o.time_based) |
859 | if (!td->o.verify_only || td->o.loops == 0) | |
860 | if (hdr->numberio != io_u->numberio) { | |
861 | log_err("verify: bad header numberio %"PRIu16 | |
862 | ", wanted %"PRIu16, | |
863 | hdr->numberio, io_u->numberio); | |
864 | goto err; | |
865 | } | |
ae38c0dc | 866 | |
25dfa848 | 867 | crc = fio_crc32c(p, offsetof(struct verify_header, crc32)); |
5964842c AG |
868 | if (crc != hdr->crc32) { |
869 | log_err("verify: bad header crc %x, calculated %x", | |
870 | hdr->crc32, crc); | |
871 | goto err; | |
872 | } | |
873 | return 0; | |
874 | ||
875 | err: | |
876 | log_err(" at file %s offset %llu, length %u\n", | |
877 | io_u->file->file_name, | |
878 | io_u->offset + hdr_num * hdr_len, hdr_len); | |
16758b59 JA |
879 | |
880 | if (td->o.verify_dump) | |
881 | dump_buf(p, hdr_len, io_u->offset + hdr_num * hdr_len, | |
882 | "hdr_fail", io_u->file); | |
883 | ||
5964842c | 884 | return EILSEQ; |
f65d1c26 JA |
885 | } |
886 | ||
f8b0bd10 | 887 | int verify_io_u(struct thread_data *td, struct io_u **io_u_ptr) |
e29d1b70 | 888 | { |
3f9f4e26 | 889 | struct verify_header *hdr; |
f8b0bd10 | 890 | struct io_u *io_u = *io_u_ptr; |
2b13e716 | 891 | unsigned int header_size, hdr_inc, hdr_num = 0; |
95646108 | 892 | void *p; |
e29d1b70 JA |
893 | int ret; |
894 | ||
1dcc0498 | 895 | if (td->o.verify == VERIFY_NULL || io_u->ddir != DDIR_READ) |
36690c9b | 896 | return 0; |
5c57c084 JA |
897 | /* |
898 | * If the IO engine is faking IO (like null), then just pretend | |
899 | * we verified everything. | |
900 | */ | |
9b87f09b | 901 | if (td_ioengine_flagged(td, FIO_FAKEIO)) |
5c57c084 JA |
902 | return 0; |
903 | ||
0d29de83 JA |
904 | if (io_u->flags & IO_U_F_TRIMMED) { |
905 | ret = verify_trimmed_io_u(td, io_u); | |
906 | goto done; | |
907 | } | |
36690c9b | 908 | |
cfbcd0dc | 909 | hdr_inc = get_hdr_inc(td, io_u); |
e29d1b70 | 910 | |
a12a3b4d | 911 | ret = 0; |
5ec10eaa JA |
912 | for (p = io_u->buf; p < io_u->buf + io_u->buflen; |
913 | p += hdr_inc, hdr_num++) { | |
bfacf389 JA |
914 | struct vcont vc = { |
915 | .io_u = io_u, | |
916 | .hdr_num = hdr_num, | |
7d9fb455 | 917 | .td = td, |
bfacf389 | 918 | }; |
f00b210f | 919 | unsigned int verify_type; |
936216f8 | 920 | |
f3e6cb95 | 921 | if (ret && td->o.verify_fatal) |
a12a3b4d | 922 | break; |
f3e6cb95 | 923 | |
2b13e716 | 924 | header_size = __hdr_size(td->o.verify); |
a59e170d | 925 | if (td->o.verify_offset) |
2b13e716 | 926 | memswp(p, p + td->o.verify_offset, header_size); |
95646108 | 927 | hdr = p; |
e29d1b70 | 928 | |
c4b6117b PV |
929 | /* |
930 | * Make rand_seed check pass when have verifysort or | |
931 | * verify_backlog. | |
932 | */ | |
933 | if (td->o.verifysort || (td->flags & TD_F_VER_BACKLOG)) | |
934 | io_u->rand_seed = hdr->rand_seed; | |
935 | ||
59245381 | 936 | if (td->o.verify != VERIFY_PATTERN_NO_HDR) { |
b638d82f | 937 | ret = verify_header(io_u, td, hdr, hdr_num, hdr_inc); |
59245381 JA |
938 | if (ret) |
939 | return ret; | |
940 | } | |
3f199b01 | 941 | |
f00b210f JA |
942 | if (td->o.verify != VERIFY_NONE) |
943 | verify_type = td->o.verify; | |
944 | else | |
945 | verify_type = hdr->verify_type; | |
946 | ||
947 | switch (verify_type) { | |
b638d82f RP |
948 | case VERIFY_HDR_ONLY: |
949 | /* Header is always verified, check if pattern is left | |
950 | * for verification. */ | |
951 | if (td->o.verify_pattern_bytes) | |
952 | ret = verify_io_u_pattern(hdr, &vc); | |
953 | break; | |
3f9f4e26 | 954 | case VERIFY_MD5: |
936216f8 | 955 | ret = verify_io_u_md5(hdr, &vc); |
3f9f4e26 SL |
956 | break; |
957 | case VERIFY_CRC64: | |
936216f8 | 958 | ret = verify_io_u_crc64(hdr, &vc); |
3f9f4e26 | 959 | break; |
bac39e0e | 960 | case VERIFY_CRC32C: |
3845591f | 961 | case VERIFY_CRC32C_INTEL: |
936216f8 | 962 | ret = verify_io_u_crc32c(hdr, &vc); |
bac39e0e | 963 | break; |
3f9f4e26 | 964 | case VERIFY_CRC32: |
936216f8 | 965 | ret = verify_io_u_crc32(hdr, &vc); |
3f9f4e26 SL |
966 | break; |
967 | case VERIFY_CRC16: | |
936216f8 | 968 | ret = verify_io_u_crc16(hdr, &vc); |
3f9f4e26 SL |
969 | break; |
970 | case VERIFY_CRC7: | |
936216f8 | 971 | ret = verify_io_u_crc7(hdr, &vc); |
3f9f4e26 | 972 | break; |
cd14cc10 | 973 | case VERIFY_SHA256: |
936216f8 | 974 | ret = verify_io_u_sha256(hdr, &vc); |
cd14cc10 JA |
975 | break; |
976 | case VERIFY_SHA512: | |
936216f8 | 977 | ret = verify_io_u_sha512(hdr, &vc); |
cd14cc10 | 978 | break; |
ae3a5acc JA |
979 | case VERIFY_SHA3_224: |
980 | ret = verify_io_u_sha3_224(hdr, &vc); | |
981 | break; | |
982 | case VERIFY_SHA3_256: | |
983 | ret = verify_io_u_sha3_256(hdr, &vc); | |
984 | break; | |
985 | case VERIFY_SHA3_384: | |
986 | ret = verify_io_u_sha3_384(hdr, &vc); | |
987 | break; | |
988 | case VERIFY_SHA3_512: | |
989 | ret = verify_io_u_sha3_512(hdr, &vc); | |
990 | break; | |
844ea602 JA |
991 | case VERIFY_XXHASH: |
992 | ret = verify_io_u_xxhash(hdr, &vc); | |
993 | break; | |
7c353ceb | 994 | case VERIFY_SHA1: |
936216f8 | 995 | ret = verify_io_u_sha1(hdr, &vc); |
7c353ceb | 996 | break; |
92bf48d5 | 997 | case VERIFY_PATTERN: |
59245381 | 998 | case VERIFY_PATTERN_NO_HDR: |
92bf48d5 JA |
999 | ret = verify_io_u_pattern(hdr, &vc); |
1000 | break; | |
3f9f4e26 SL |
1001 | default: |
1002 | log_err("Bad verify type %u\n", hdr->verify_type); | |
d16d4e09 | 1003 | ret = EINVAL; |
3f9f4e26 | 1004 | } |
f00b210f JA |
1005 | |
1006 | if (ret && verify_type != hdr->verify_type) | |
1007 | log_err("fio: verify type mismatch (%u media, %u given)\n", | |
1008 | hdr->verify_type, verify_type); | |
3f9f4e26 | 1009 | } |
a7dfe862 | 1010 | |
0d29de83 | 1011 | done: |
f3e6cb95 | 1012 | if (ret && td->o.verify_fatal) |
ebea2133 | 1013 | fio_mark_td_terminate(td); |
f3e6cb95 | 1014 | |
a12a3b4d | 1015 | return ret; |
e29d1b70 JA |
1016 | } |
1017 | ||
844ea602 JA |
1018 | static void fill_xxhash(struct verify_header *hdr, void *p, unsigned int len) |
1019 | { | |
1020 | struct vhdr_xxhash *vh = hdr_priv(hdr); | |
1021 | void *state; | |
1022 | ||
1023 | state = XXH32_init(1); | |
1024 | XXH32_update(state, p, len); | |
1025 | vh->hash = XXH32_digest(state); | |
1026 | } | |
1027 | ||
ae3a5acc JA |
1028 | static void fill_sha3(struct fio_sha3_ctx *sha3_ctx, void *p, unsigned int len) |
1029 | { | |
1030 | fio_sha3_update(sha3_ctx, p, len); | |
1031 | fio_sha3_final(sha3_ctx); | |
1032 | } | |
1033 | ||
1034 | static void fill_sha3_224(struct verify_header *hdr, void *p, unsigned int len) | |
1035 | { | |
1036 | struct vhdr_sha3_224 *vh = hdr_priv(hdr); | |
1037 | struct fio_sha3_ctx sha3_ctx = { | |
1038 | .sha = vh->sha, | |
1039 | }; | |
1040 | ||
1041 | fio_sha3_224_init(&sha3_ctx); | |
1042 | fill_sha3(&sha3_ctx, p, len); | |
1043 | } | |
1044 | ||
1045 | static void fill_sha3_256(struct verify_header *hdr, void *p, unsigned int len) | |
1046 | { | |
1047 | struct vhdr_sha3_256 *vh = hdr_priv(hdr); | |
1048 | struct fio_sha3_ctx sha3_ctx = { | |
1049 | .sha = vh->sha, | |
1050 | }; | |
1051 | ||
1052 | fio_sha3_256_init(&sha3_ctx); | |
1053 | fill_sha3(&sha3_ctx, p, len); | |
1054 | } | |
1055 | ||
1056 | static void fill_sha3_384(struct verify_header *hdr, void *p, unsigned int len) | |
1057 | { | |
1058 | struct vhdr_sha3_384 *vh = hdr_priv(hdr); | |
1059 | struct fio_sha3_ctx sha3_ctx = { | |
1060 | .sha = vh->sha, | |
1061 | }; | |
1062 | ||
1063 | fio_sha3_384_init(&sha3_ctx); | |
1064 | fill_sha3(&sha3_ctx, p, len); | |
1065 | } | |
1066 | ||
1067 | static void fill_sha3_512(struct verify_header *hdr, void *p, unsigned int len) | |
1068 | { | |
1069 | struct vhdr_sha3_512 *vh = hdr_priv(hdr); | |
1070 | struct fio_sha3_ctx sha3_ctx = { | |
1071 | .sha = vh->sha, | |
1072 | }; | |
1073 | ||
1074 | fio_sha3_512_init(&sha3_ctx); | |
1075 | fill_sha3(&sha3_ctx, p, len); | |
1076 | } | |
1077 | ||
cd14cc10 JA |
1078 | static void fill_sha512(struct verify_header *hdr, void *p, unsigned int len) |
1079 | { | |
546dfd9f | 1080 | struct vhdr_sha512 *vh = hdr_priv(hdr); |
25dfa848 | 1081 | struct fio_sha512_ctx sha512_ctx = { |
546dfd9f | 1082 | .buf = vh->sha512, |
cd14cc10 JA |
1083 | }; |
1084 | ||
25dfa848 JA |
1085 | fio_sha512_init(&sha512_ctx); |
1086 | fio_sha512_update(&sha512_ctx, p, len); | |
cd14cc10 JA |
1087 | } |
1088 | ||
1089 | static void fill_sha256(struct verify_header *hdr, void *p, unsigned int len) | |
1090 | { | |
546dfd9f | 1091 | struct vhdr_sha256 *vh = hdr_priv(hdr); |
25dfa848 | 1092 | struct fio_sha256_ctx sha256_ctx = { |
546dfd9f | 1093 | .buf = vh->sha256, |
cd14cc10 JA |
1094 | }; |
1095 | ||
25dfa848 JA |
1096 | fio_sha256_init(&sha256_ctx); |
1097 | fio_sha256_update(&sha256_ctx, p, len); | |
017052b6 | 1098 | fio_sha256_final(&sha256_ctx); |
cd14cc10 JA |
1099 | } |
1100 | ||
7c353ceb JA |
1101 | static void fill_sha1(struct verify_header *hdr, void *p, unsigned int len) |
1102 | { | |
1103 | struct vhdr_sha1 *vh = hdr_priv(hdr); | |
25dfa848 | 1104 | struct fio_sha1_ctx sha1_ctx = { |
7c353ceb JA |
1105 | .H = vh->sha1, |
1106 | }; | |
1107 | ||
25dfa848 JA |
1108 | fio_sha1_init(&sha1_ctx); |
1109 | fio_sha1_update(&sha1_ctx, p, len); | |
017052b6 | 1110 | fio_sha1_final(&sha1_ctx); |
7c353ceb JA |
1111 | } |
1112 | ||
1e154bdb JA |
1113 | static void fill_crc7(struct verify_header *hdr, void *p, unsigned int len) |
1114 | { | |
546dfd9f JA |
1115 | struct vhdr_crc7 *vh = hdr_priv(hdr); |
1116 | ||
25dfa848 | 1117 | vh->crc7 = fio_crc7(p, len); |
1e154bdb JA |
1118 | } |
1119 | ||
969f7ed3 JA |
1120 | static void fill_crc16(struct verify_header *hdr, void *p, unsigned int len) |
1121 | { | |
546dfd9f JA |
1122 | struct vhdr_crc16 *vh = hdr_priv(hdr); |
1123 | ||
25dfa848 | 1124 | vh->crc16 = fio_crc16(p, len); |
969f7ed3 JA |
1125 | } |
1126 | ||
e29d1b70 JA |
1127 | static void fill_crc32(struct verify_header *hdr, void *p, unsigned int len) |
1128 | { | |
546dfd9f JA |
1129 | struct vhdr_crc32 *vh = hdr_priv(hdr); |
1130 | ||
25dfa848 | 1131 | vh->crc32 = fio_crc32(p, len); |
e29d1b70 JA |
1132 | } |
1133 | ||
bac39e0e JA |
1134 | static void fill_crc32c(struct verify_header *hdr, void *p, unsigned int len) |
1135 | { | |
1136 | struct vhdr_crc32 *vh = hdr_priv(hdr); | |
1137 | ||
25dfa848 | 1138 | vh->crc32 = fio_crc32c(p, len); |
bac39e0e JA |
1139 | } |
1140 | ||
d77a7af3 JA |
1141 | static void fill_crc64(struct verify_header *hdr, void *p, unsigned int len) |
1142 | { | |
546dfd9f JA |
1143 | struct vhdr_crc64 *vh = hdr_priv(hdr); |
1144 | ||
25dfa848 | 1145 | vh->crc64 = fio_crc64(p, len); |
d77a7af3 JA |
1146 | } |
1147 | ||
e29d1b70 JA |
1148 | static void fill_md5(struct verify_header *hdr, void *p, unsigned int len) |
1149 | { | |
546dfd9f | 1150 | struct vhdr_md5 *vh = hdr_priv(hdr); |
25dfa848 | 1151 | struct fio_md5_ctx md5_ctx = { |
546dfd9f | 1152 | .hash = (uint32_t *) vh->md5_digest, |
8c432325 | 1153 | }; |
e29d1b70 | 1154 | |
25dfa848 JA |
1155 | fio_md5_init(&md5_ctx); |
1156 | fio_md5_update(&md5_ctx, p, len); | |
017052b6 | 1157 | fio_md5_final(&md5_ctx); |
e29d1b70 JA |
1158 | } |
1159 | ||
b638d82f RP |
1160 | static void __fill_hdr(struct thread_data *td, struct io_u *io_u, |
1161 | struct verify_header *hdr, unsigned int header_num, | |
1162 | unsigned int header_len, uint64_t rand_seed) | |
9ba987cc JA |
1163 | { |
1164 | void *p = hdr; | |
1165 | ||
1166 | hdr->magic = FIO_HDR_MAGIC; | |
b638d82f RP |
1167 | hdr->verify_type = td->o.verify; |
1168 | hdr->len = header_len; | |
9ba987cc | 1169 | hdr->rand_seed = rand_seed; |
b638d82f RP |
1170 | hdr->offset = io_u->offset + header_num * td->o.verify_interval; |
1171 | hdr->time_sec = io_u->start_time.tv_sec; | |
faa9b2b2 | 1172 | hdr->time_nsec = io_u->start_time.tv_nsec; |
b638d82f RP |
1173 | hdr->thread = td->thread_number; |
1174 | hdr->numberio = io_u->numberio; | |
9ba987cc JA |
1175 | hdr->crc32 = fio_crc32c(p, offsetof(struct verify_header, crc32)); |
1176 | } | |
1177 | ||
ed3a433d | 1178 | |
b638d82f RP |
1179 | static void fill_hdr(struct thread_data *td, struct io_u *io_u, |
1180 | struct verify_header *hdr, unsigned int header_num, | |
1181 | unsigned int header_len, uint64_t rand_seed) | |
ed3a433d | 1182 | { |
b638d82f RP |
1183 | if (td->o.verify != VERIFY_PATTERN_NO_HDR) |
1184 | __fill_hdr(td, io_u, hdr, header_num, header_len, rand_seed); | |
ed3a433d JA |
1185 | } |
1186 | ||
7d9fb455 JA |
1187 | static void populate_hdr(struct thread_data *td, struct io_u *io_u, |
1188 | struct verify_header *hdr, unsigned int header_num, | |
1189 | unsigned int header_len) | |
1190 | { | |
1191 | unsigned int data_len; | |
d637b8b8 TK |
1192 | void *data; |
1193 | char *p; | |
7d9fb455 | 1194 | |
d637b8b8 | 1195 | p = (char *) hdr; |
7d9fb455 | 1196 | |
b638d82f | 1197 | fill_hdr(td, io_u, hdr, header_num, header_len, io_u->rand_seed); |
f65d1c26 | 1198 | |
ed3a433d | 1199 | data_len = header_len - hdr_size(td, hdr); |
7d9fb455 | 1200 | |
ed3a433d | 1201 | data = p + hdr_size(td, hdr); |
7d9fb455 JA |
1202 | switch (td->o.verify) { |
1203 | case VERIFY_MD5: | |
1204 | dprint(FD_VERIFY, "fill md5 io_u %p, len %u\n", | |
1205 | io_u, hdr->len); | |
1206 | fill_md5(hdr, data, data_len); | |
1207 | break; | |
1208 | case VERIFY_CRC64: | |
1209 | dprint(FD_VERIFY, "fill crc64 io_u %p, len %u\n", | |
1210 | io_u, hdr->len); | |
1211 | fill_crc64(hdr, data, data_len); | |
1212 | break; | |
1213 | case VERIFY_CRC32C: | |
1214 | case VERIFY_CRC32C_INTEL: | |
1215 | dprint(FD_VERIFY, "fill crc32c io_u %p, len %u\n", | |
1216 | io_u, hdr->len); | |
1217 | fill_crc32c(hdr, data, data_len); | |
1218 | break; | |
1219 | case VERIFY_CRC32: | |
1220 | dprint(FD_VERIFY, "fill crc32 io_u %p, len %u\n", | |
1221 | io_u, hdr->len); | |
1222 | fill_crc32(hdr, data, data_len); | |
1223 | break; | |
1224 | case VERIFY_CRC16: | |
1225 | dprint(FD_VERIFY, "fill crc16 io_u %p, len %u\n", | |
1226 | io_u, hdr->len); | |
1227 | fill_crc16(hdr, data, data_len); | |
1228 | break; | |
1229 | case VERIFY_CRC7: | |
1230 | dprint(FD_VERIFY, "fill crc7 io_u %p, len %u\n", | |
1231 | io_u, hdr->len); | |
1232 | fill_crc7(hdr, data, data_len); | |
1233 | break; | |
1234 | case VERIFY_SHA256: | |
1235 | dprint(FD_VERIFY, "fill sha256 io_u %p, len %u\n", | |
1236 | io_u, hdr->len); | |
1237 | fill_sha256(hdr, data, data_len); | |
1238 | break; | |
1239 | case VERIFY_SHA512: | |
1240 | dprint(FD_VERIFY, "fill sha512 io_u %p, len %u\n", | |
1241 | io_u, hdr->len); | |
1242 | fill_sha512(hdr, data, data_len); | |
1243 | break; | |
ae3a5acc JA |
1244 | case VERIFY_SHA3_224: |
1245 | dprint(FD_VERIFY, "fill sha3-224 io_u %p, len %u\n", | |
1246 | io_u, hdr->len); | |
1247 | fill_sha3_224(hdr, data, data_len); | |
1248 | break; | |
1249 | case VERIFY_SHA3_256: | |
1250 | dprint(FD_VERIFY, "fill sha3-256 io_u %p, len %u\n", | |
1251 | io_u, hdr->len); | |
1252 | fill_sha3_256(hdr, data, data_len); | |
1253 | break; | |
1254 | case VERIFY_SHA3_384: | |
1255 | dprint(FD_VERIFY, "fill sha3-384 io_u %p, len %u\n", | |
1256 | io_u, hdr->len); | |
1257 | fill_sha3_384(hdr, data, data_len); | |
1258 | break; | |
1259 | case VERIFY_SHA3_512: | |
1260 | dprint(FD_VERIFY, "fill sha3-512 io_u %p, len %u\n", | |
1261 | io_u, hdr->len); | |
1262 | fill_sha3_512(hdr, data, data_len); | |
1263 | break; | |
844ea602 JA |
1264 | case VERIFY_XXHASH: |
1265 | dprint(FD_VERIFY, "fill xxhash io_u %p, len %u\n", | |
1266 | io_u, hdr->len); | |
1267 | fill_xxhash(hdr, data, data_len); | |
1268 | break; | |
7d9fb455 JA |
1269 | case VERIFY_SHA1: |
1270 | dprint(FD_VERIFY, "fill sha1 io_u %p, len %u\n", | |
1271 | io_u, hdr->len); | |
1272 | fill_sha1(hdr, data, data_len); | |
1273 | break; | |
b638d82f | 1274 | case VERIFY_HDR_ONLY: |
92bf48d5 | 1275 | case VERIFY_PATTERN: |
ed3a433d | 1276 | case VERIFY_PATTERN_NO_HDR: |
92bf48d5 JA |
1277 | /* nothing to do here */ |
1278 | break; | |
7d9fb455 JA |
1279 | default: |
1280 | log_err("fio: bad verify type: %d\n", td->o.verify); | |
1281 | assert(0); | |
1282 | } | |
ed3a433d JA |
1283 | |
1284 | if (td->o.verify_offset && hdr_size(td, hdr)) | |
1285 | memswp(p, p + td->o.verify_offset, hdr_size(td, hdr)); | |
7d9fb455 JA |
1286 | } |
1287 | ||
e29d1b70 JA |
1288 | /* |
1289 | * fill body of io_u->buf with random data and add a header with the | |
c50ca7bd | 1290 | * checksum of choice |
e29d1b70 JA |
1291 | */ |
1292 | void populate_verify_io_u(struct thread_data *td, struct io_u *io_u) | |
1293 | { | |
9cc3d150 JA |
1294 | if (td->o.verify == VERIFY_NULL) |
1295 | return; | |
1296 | ||
da0a7bd2 JC |
1297 | io_u->numberio = td->io_issues[io_u->ddir]; |
1298 | ||
c50ca7bd | 1299 | fill_pattern_headers(td, io_u, 0, 0); |
e29d1b70 JA |
1300 | } |
1301 | ||
1302 | int get_next_verify(struct thread_data *td, struct io_u *io_u) | |
1303 | { | |
8de8f047 | 1304 | struct io_piece *ipo = NULL; |
e29d1b70 | 1305 | |
d2d7fa53 JA |
1306 | /* |
1307 | * this io_u is from a requeue, we already filled the offsets | |
1308 | */ | |
1309 | if (io_u->file) | |
1310 | return 0; | |
1311 | ||
8de8f047 JA |
1312 | if (!RB_EMPTY_ROOT(&td->io_hist_tree)) { |
1313 | struct rb_node *n = rb_first(&td->io_hist_tree); | |
e29d1b70 | 1314 | |
8de8f047 | 1315 | ipo = rb_entry(n, struct io_piece, rb_node); |
f9401285 JA |
1316 | |
1317 | /* | |
1318 | * Ensure that the associated IO has completed | |
1319 | */ | |
1320 | read_barrier(); | |
1321 | if (ipo->flags & IP_F_IN_FLIGHT) | |
1322 | goto nothing; | |
1323 | ||
4b87898e | 1324 | rb_erase(n, &td->io_hist_tree); |
a917a8b3 JA |
1325 | assert(ipo->flags & IP_F_ONRB); |
1326 | ipo->flags &= ~IP_F_ONRB; | |
01743ee1 | 1327 | } else if (!flist_empty(&td->io_hist_list)) { |
9342d5f8 | 1328 | ipo = flist_first_entry(&td->io_hist_list, struct io_piece, list); |
f9401285 JA |
1329 | |
1330 | /* | |
1331 | * Ensure that the associated IO has completed | |
1332 | */ | |
1333 | read_barrier(); | |
1334 | if (ipo->flags & IP_F_IN_FLIGHT) | |
1335 | goto nothing; | |
1336 | ||
01743ee1 | 1337 | flist_del(&ipo->list); |
a917a8b3 JA |
1338 | assert(ipo->flags & IP_F_ONLIST); |
1339 | ipo->flags &= ~IP_F_ONLIST; | |
8de8f047 | 1340 | } |
e29d1b70 | 1341 | |
8de8f047 | 1342 | if (ipo) { |
0d29de83 JA |
1343 | td->io_hist_len--; |
1344 | ||
e29d1b70 JA |
1345 | io_u->offset = ipo->offset; |
1346 | io_u->buflen = ipo->len; | |
da0a7bd2 | 1347 | io_u->numberio = ipo->numberio; |
36167d82 | 1348 | io_u->file = ipo->file; |
1651e431 | 1349 | io_u_set(td, io_u, IO_U_F_VER_LIST); |
97af62ce | 1350 | |
0d29de83 | 1351 | if (ipo->flags & IP_F_TRIMMED) |
1651e431 | 1352 | io_u_set(td, io_u, IO_U_F_TRIMMED); |
0d29de83 | 1353 | |
d6aed795 | 1354 | if (!fio_file_open(io_u->file)) { |
97af62ce JA |
1355 | int r = td_io_open_file(td, io_u->file); |
1356 | ||
bd6f78b2 JA |
1357 | if (r) { |
1358 | dprint(FD_VERIFY, "failed file %s open\n", | |
1359 | io_u->file->file_name); | |
97af62ce | 1360 | return 1; |
bd6f78b2 | 1361 | } |
97af62ce JA |
1362 | } |
1363 | ||
1364 | get_file(ipo->file); | |
d6aed795 | 1365 | assert(fio_file_open(io_u->file)); |
e29d1b70 | 1366 | io_u->ddir = DDIR_READ; |
36167d82 JA |
1367 | io_u->xfer_buf = io_u->buf; |
1368 | io_u->xfer_buflen = io_u->buflen; | |
0d29de83 JA |
1369 | |
1370 | remove_trim_entry(td, ipo); | |
e29d1b70 | 1371 | free(ipo); |
bd6f78b2 | 1372 | dprint(FD_VERIFY, "get_next_verify: ret io_u %p\n", io_u); |
c4b6117b PV |
1373 | |
1374 | if (!td->o.verify_pattern_bytes) { | |
d6b72507 | 1375 | io_u->rand_seed = __rand(&td->verify_state); |
c4b6117b | 1376 | if (sizeof(int) != sizeof(long *)) |
d6b72507 | 1377 | io_u->rand_seed *= __rand(&td->verify_state); |
c4b6117b | 1378 | } |
e29d1b70 JA |
1379 | return 0; |
1380 | } | |
1381 | ||
f9401285 | 1382 | nothing: |
bd6f78b2 | 1383 | dprint(FD_VERIFY, "get_next_verify: empty\n"); |
e29d1b70 JA |
1384 | return 1; |
1385 | } | |
e8462bd8 | 1386 | |
dc5bfbb2 JA |
1387 | void fio_verify_init(struct thread_data *td) |
1388 | { | |
1389 | if (td->o.verify == VERIFY_CRC32C_INTEL || | |
1390 | td->o.verify == VERIFY_CRC32C) { | |
214e2d56 | 1391 | crc32c_arm64_probe(); |
dc5bfbb2 JA |
1392 | crc32c_intel_probe(); |
1393 | } | |
1394 | } | |
1395 | ||
e8462bd8 JA |
1396 | static void *verify_async_thread(void *data) |
1397 | { | |
1398 | struct thread_data *td = data; | |
1399 | struct io_u *io_u; | |
1400 | int ret = 0; | |
1401 | ||
b2a9e649 | 1402 | if (fio_option_is_set(&td->o, verify_cpumask) && |
e8462bd8 JA |
1403 | fio_setaffinity(td->pid, td->o.verify_cpumask)) { |
1404 | log_err("fio: failed setting verify thread affinity\n"); | |
1405 | goto done; | |
1406 | } | |
1407 | ||
1408 | do { | |
e53ab27c JA |
1409 | FLIST_HEAD(list); |
1410 | ||
e8462bd8 JA |
1411 | read_barrier(); |
1412 | if (td->verify_thread_exit) | |
1413 | break; | |
1414 | ||
1415 | pthread_mutex_lock(&td->io_u_lock); | |
1416 | ||
1417 | while (flist_empty(&td->verify_list) && | |
1418 | !td->verify_thread_exit) { | |
b36e298b JA |
1419 | ret = pthread_cond_wait(&td->verify_cond, |
1420 | &td->io_u_lock); | |
e8462bd8 JA |
1421 | if (ret) { |
1422 | pthread_mutex_unlock(&td->io_u_lock); | |
1423 | break; | |
1424 | } | |
1425 | } | |
1426 | ||
e53ab27c JA |
1427 | flist_splice_init(&td->verify_list, &list); |
1428 | pthread_mutex_unlock(&td->io_u_lock); | |
1429 | ||
1430 | if (flist_empty(&list)) | |
e8462bd8 | 1431 | continue; |
e8462bd8 | 1432 | |
e53ab27c | 1433 | while (!flist_empty(&list)) { |
9342d5f8 | 1434 | io_u = flist_first_entry(&list, struct io_u, verify_list); |
f8b0bd10 JA |
1435 | flist_del_init(&io_u->verify_list); |
1436 | ||
1651e431 | 1437 | io_u_set(td, io_u, IO_U_F_NO_FILE_PUT); |
f8b0bd10 | 1438 | ret = verify_io_u(td, &io_u); |
e8462bd8 | 1439 | |
e53ab27c | 1440 | put_io_u(td, io_u); |
d561f2ab JA |
1441 | if (!ret) |
1442 | continue; | |
8b28bd41 | 1443 | if (td_non_fatal_error(td, ERROR_TYPE_VERIFY_BIT, ret)) { |
d561f2ab JA |
1444 | update_error_count(td, ret); |
1445 | td_clear_error(td); | |
1446 | ret = 0; | |
1447 | } | |
e53ab27c | 1448 | } |
e8462bd8 JA |
1449 | } while (!ret); |
1450 | ||
d561f2ab JA |
1451 | if (ret) { |
1452 | td_verror(td, ret, "async_verify"); | |
f3e6cb95 | 1453 | if (td->o.verify_fatal) |
ebea2133 | 1454 | fio_mark_td_terminate(td); |
d561f2ab JA |
1455 | } |
1456 | ||
e8462bd8 JA |
1457 | done: |
1458 | pthread_mutex_lock(&td->io_u_lock); | |
1459 | td->nr_verify_threads--; | |
1460 | pthread_mutex_unlock(&td->io_u_lock); | |
1461 | ||
1462 | pthread_cond_signal(&td->free_cond); | |
1463 | return NULL; | |
1464 | } | |
1465 | ||
1466 | int verify_async_init(struct thread_data *td) | |
1467 | { | |
1468 | int i, ret; | |
304a47c7 VA |
1469 | pthread_attr_t attr; |
1470 | ||
1471 | pthread_attr_init(&attr); | |
45213f1b | 1472 | pthread_attr_setstacksize(&attr, 2 * PTHREAD_STACK_MIN); |
e8462bd8 JA |
1473 | |
1474 | td->verify_thread_exit = 0; | |
1475 | ||
1476 | td->verify_threads = malloc(sizeof(pthread_t) * td->o.verify_async); | |
1477 | for (i = 0; i < td->o.verify_async; i++) { | |
304a47c7 | 1478 | ret = pthread_create(&td->verify_threads[i], &attr, |
e8462bd8 JA |
1479 | verify_async_thread, td); |
1480 | if (ret) { | |
1481 | log_err("fio: async verify creation failed: %s\n", | |
1482 | strerror(ret)); | |
1483 | break; | |
1484 | } | |
1485 | ret = pthread_detach(td->verify_threads[i]); | |
1486 | if (ret) { | |
1487 | log_err("fio: async verify thread detach failed: %s\n", | |
1488 | strerror(ret)); | |
1489 | break; | |
1490 | } | |
1491 | td->nr_verify_threads++; | |
1492 | } | |
1493 | ||
304a47c7 VA |
1494 | pthread_attr_destroy(&attr); |
1495 | ||
e8462bd8 | 1496 | if (i != td->o.verify_async) { |
e40823b1 | 1497 | log_err("fio: only %d verify threads started, exiting\n", i); |
e8462bd8 JA |
1498 | td->verify_thread_exit = 1; |
1499 | write_barrier(); | |
1500 | pthread_cond_broadcast(&td->verify_cond); | |
1501 | return 1; | |
1502 | } | |
1503 | ||
1504 | return 0; | |
1505 | } | |
1506 | ||
1507 | void verify_async_exit(struct thread_data *td) | |
1508 | { | |
1509 | td->verify_thread_exit = 1; | |
1510 | write_barrier(); | |
1511 | pthread_cond_broadcast(&td->verify_cond); | |
1512 | ||
1513 | pthread_mutex_lock(&td->io_u_lock); | |
1514 | ||
1515 | while (td->nr_verify_threads) | |
1516 | pthread_cond_wait(&td->free_cond, &td->io_u_lock); | |
1517 | ||
1518 | pthread_mutex_unlock(&td->io_u_lock); | |
1519 | free(td->verify_threads); | |
1520 | td->verify_threads = NULL; | |
1521 | } | |
ca09be4b | 1522 | |
61b9861d RP |
1523 | int paste_blockoff(char *buf, unsigned int len, void *priv) |
1524 | { | |
1525 | struct io_u *io = priv; | |
1526 | unsigned long long off; | |
1527 | ||
1528 | typecheck(typeof(off), io->offset); | |
1529 | off = cpu_to_le64((uint64_t)io->offset); | |
1530 | len = min(len, (unsigned int)sizeof(off)); | |
1531 | memcpy(buf, &off, len); | |
1532 | return 0; | |
1533 | } | |
1534 | ||
94a6e1bb JA |
1535 | static int __fill_file_completions(struct thread_data *td, |
1536 | struct thread_io_list *s, | |
1537 | struct fio_file *f, unsigned int *index) | |
1538 | { | |
1539 | unsigned int comps; | |
1540 | int i, j; | |
1541 | ||
1542 | if (!f->last_write_comp) | |
1543 | return 0; | |
1544 | ||
1545 | if (td->io_blocks[DDIR_WRITE] < td->o.iodepth) | |
1546 | comps = td->io_blocks[DDIR_WRITE]; | |
1547 | else | |
1548 | comps = td->o.iodepth; | |
1549 | ||
1550 | j = f->last_write_idx - 1; | |
1551 | for (i = 0; i < comps; i++) { | |
1552 | if (j == -1) | |
1553 | j = td->o.iodepth - 1; | |
1554 | s->comps[*index].fileno = __cpu_to_le64(f->fileno); | |
1555 | s->comps[*index].offset = cpu_to_le64(f->last_write_comp[j]); | |
1556 | (*index)++; | |
1557 | j--; | |
1558 | } | |
1559 | ||
1560 | return comps; | |
1561 | } | |
1562 | ||
1563 | static int fill_file_completions(struct thread_data *td, | |
1564 | struct thread_io_list *s, unsigned int *index) | |
1565 | { | |
1566 | struct fio_file *f; | |
1567 | unsigned int i; | |
1568 | int comps = 0; | |
1569 | ||
1570 | for_each_file(td, f, i) | |
1571 | comps += __fill_file_completions(td, s, f, index); | |
1572 | ||
1573 | return comps; | |
1574 | } | |
1575 | ||
ca09be4b JA |
1576 | struct all_io_list *get_all_io_list(int save_mask, size_t *sz) |
1577 | { | |
1578 | struct all_io_list *rep; | |
1579 | struct thread_data *td; | |
1580 | size_t depth; | |
1581 | void *next; | |
1582 | int i, nr; | |
1583 | ||
1584 | compiletime_assert(sizeof(struct all_io_list) == 8, "all_io_list"); | |
1585 | ||
1586 | /* | |
1587 | * Calculate reply space needed. We need one 'io_state' per thread, | |
1588 | * and the size will vary depending on depth. | |
1589 | */ | |
1590 | depth = 0; | |
1591 | nr = 0; | |
1592 | for_each_td(td, i) { | |
1593 | if (save_mask != IO_LIST_ALL && (i + 1) != save_mask) | |
1594 | continue; | |
1595 | td->stop_io = 1; | |
1596 | td->flags |= TD_F_VSTATE_SAVED; | |
94a6e1bb | 1597 | depth += (td->o.iodepth * td->o.nr_files); |
ca09be4b JA |
1598 | nr++; |
1599 | } | |
1600 | ||
1601 | if (!nr) | |
1602 | return NULL; | |
1603 | ||
1604 | *sz = sizeof(*rep); | |
1605 | *sz += nr * sizeof(struct thread_io_list); | |
94a6e1bb | 1606 | *sz += depth * sizeof(struct file_comp); |
ca09be4b | 1607 | rep = malloc(*sz); |
c68ce5ea | 1608 | memset(rep, 0, *sz); |
ca09be4b JA |
1609 | |
1610 | rep->threads = cpu_to_le64((uint64_t) nr); | |
1611 | ||
1612 | next = &rep->state[0]; | |
1613 | for_each_td(td, i) { | |
1614 | struct thread_io_list *s = next; | |
94a6e1bb | 1615 | unsigned int comps, index = 0; |
ca09be4b JA |
1616 | |
1617 | if (save_mask != IO_LIST_ALL && (i + 1) != save_mask) | |
1618 | continue; | |
1619 | ||
94a6e1bb | 1620 | comps = fill_file_completions(td, s, &index); |
ca09be4b JA |
1621 | |
1622 | s->no_comps = cpu_to_le64((uint64_t) comps); | |
1623 | s->depth = cpu_to_le64((uint64_t) td->o.iodepth); | |
94a6e1bb | 1624 | s->nofiles = cpu_to_le64((uint64_t) td->o.nr_files); |
ca09be4b JA |
1625 | s->numberio = cpu_to_le64((uint64_t) td->io_issues[DDIR_WRITE]); |
1626 | s->index = cpu_to_le64((uint64_t) i); | |
c3546b53 JA |
1627 | if (td->random_state.use64) { |
1628 | s->rand.state64.s[0] = cpu_to_le64(td->random_state.state64.s1); | |
1629 | s->rand.state64.s[1] = cpu_to_le64(td->random_state.state64.s2); | |
1630 | s->rand.state64.s[2] = cpu_to_le64(td->random_state.state64.s3); | |
1631 | s->rand.state64.s[3] = cpu_to_le64(td->random_state.state64.s4); | |
1632 | s->rand.state64.s[4] = cpu_to_le64(td->random_state.state64.s5); | |
1633 | s->rand.state64.s[5] = 0; | |
1634 | s->rand.use64 = cpu_to_le64((uint64_t)1); | |
1635 | } else { | |
1636 | s->rand.state32.s[0] = cpu_to_le32(td->random_state.state32.s1); | |
1637 | s->rand.state32.s[1] = cpu_to_le32(td->random_state.state32.s2); | |
1638 | s->rand.state32.s[2] = cpu_to_le32(td->random_state.state32.s3); | |
1639 | s->rand.state32.s[3] = 0; | |
1640 | s->rand.use64 = 0; | |
1641 | } | |
1dc06a8f JA |
1642 | s->name[sizeof(s->name) - 1] = '\0'; |
1643 | strncpy((char *) s->name, td->o.name, sizeof(s->name) - 1); | |
ca09be4b JA |
1644 | next = io_list_next(s); |
1645 | } | |
1646 | ||
1647 | return rep; | |
1648 | } | |
1649 | ||
1650 | static int open_state_file(const char *name, const char *prefix, int num, | |
1651 | int for_write) | |
1652 | { | |
d117b2bd | 1653 | char out[PATH_MAX]; |
ca09be4b JA |
1654 | int flags; |
1655 | int fd; | |
1656 | ||
1657 | if (for_write) | |
1658 | flags = O_CREAT | O_TRUNC | O_WRONLY | O_SYNC; | |
1659 | else | |
1660 | flags = O_RDONLY; | |
1661 | ||
e499aedc | 1662 | verify_state_gen_name(out, sizeof(out), name, prefix, num); |
ca09be4b JA |
1663 | |
1664 | fd = open(out, flags, 0644); | |
1665 | if (fd == -1) { | |
1666 | perror("fio: open state file"); | |
d117b2bd | 1667 | log_err("fio: state file: %s (for_write=%d)\n", out, for_write); |
ca09be4b JA |
1668 | return -1; |
1669 | } | |
1670 | ||
1671 | return fd; | |
1672 | } | |
1673 | ||
1674 | static int write_thread_list_state(struct thread_io_list *s, | |
1675 | const char *prefix) | |
1676 | { | |
1677 | struct verify_state_hdr hdr; | |
1678 | uint64_t crc; | |
1679 | ssize_t ret; | |
1680 | int fd; | |
1681 | ||
1682 | fd = open_state_file((const char *) s->name, prefix, s->index, 1); | |
1683 | if (fd == -1) | |
1684 | return 1; | |
1685 | ||
1686 | crc = fio_crc32c((void *)s, thread_io_list_sz(s)); | |
1687 | ||
1688 | hdr.version = cpu_to_le64((uint64_t) VSTATE_HDR_VERSION); | |
1689 | hdr.size = cpu_to_le64((uint64_t) thread_io_list_sz(s)); | |
1690 | hdr.crc = cpu_to_le64(crc); | |
1691 | ret = write(fd, &hdr, sizeof(hdr)); | |
1692 | if (ret != sizeof(hdr)) | |
1693 | goto write_fail; | |
1694 | ||
1695 | ret = write(fd, s, thread_io_list_sz(s)); | |
1696 | if (ret != thread_io_list_sz(s)) { | |
1697 | write_fail: | |
1698 | if (ret < 0) | |
1699 | perror("fio: write state file"); | |
1700 | log_err("fio: failed to write state file\n"); | |
1701 | ret = 1; | |
1702 | } else | |
1703 | ret = 0; | |
1704 | ||
1705 | close(fd); | |
1706 | return ret; | |
1707 | } | |
1708 | ||
1709 | void __verify_save_state(struct all_io_list *state, const char *prefix) | |
1710 | { | |
1711 | struct thread_io_list *s = &state->state[0]; | |
1712 | unsigned int i; | |
1713 | ||
1714 | for (i = 0; i < le64_to_cpu(state->threads); i++) { | |
1715 | write_thread_list_state(s, prefix); | |
1716 | s = io_list_next(s); | |
1717 | } | |
1718 | } | |
1719 | ||
d264264a | 1720 | void verify_save_state(int mask) |
ca09be4b JA |
1721 | { |
1722 | struct all_io_list *state; | |
1723 | size_t sz; | |
1724 | ||
d264264a | 1725 | state = get_all_io_list(mask, &sz); |
ca09be4b | 1726 | if (state) { |
d264264a JA |
1727 | char prefix[PATH_MAX]; |
1728 | ||
1729 | if (aux_path) | |
53a7af85 | 1730 | sprintf(prefix, "%s%clocal", aux_path, FIO_OS_PATH_SEPARATOR); |
d264264a | 1731 | else |
c6d140fb | 1732 | strcpy(prefix, "local"); |
d264264a JA |
1733 | |
1734 | __verify_save_state(state, prefix); | |
ca09be4b JA |
1735 | free(state); |
1736 | } | |
1737 | } | |
1738 | ||
1739 | void verify_free_state(struct thread_data *td) | |
1740 | { | |
1741 | if (td->vstate) | |
1742 | free(td->vstate); | |
1743 | } | |
1744 | ||
94a6e1bb | 1745 | void verify_assign_state(struct thread_data *td, void *p) |
ca09be4b | 1746 | { |
94a6e1bb | 1747 | struct thread_io_list *s = p; |
ca09be4b JA |
1748 | int i; |
1749 | ||
94a6e1bb JA |
1750 | s->no_comps = le64_to_cpu(s->no_comps); |
1751 | s->depth = le32_to_cpu(s->depth); | |
1752 | s->nofiles = le32_to_cpu(s->nofiles); | |
1753 | s->numberio = le64_to_cpu(s->numberio); | |
1754 | s->rand.use64 = le64_to_cpu(s->rand.use64); | |
c3546b53 | 1755 | |
94a6e1bb JA |
1756 | if (s->rand.use64) { |
1757 | for (i = 0; i < 6; i++) | |
1758 | s->rand.state64.s[i] = le64_to_cpu(s->rand.state64.s[i]); | |
c3546b53 | 1759 | } else { |
94a6e1bb JA |
1760 | for (i = 0; i < 4; i++) |
1761 | s->rand.state32.s[i] = le32_to_cpu(s->rand.state32.s[i]); | |
1762 | } | |
c3546b53 | 1763 | |
94a6e1bb JA |
1764 | for (i = 0; i < s->no_comps; i++) { |
1765 | s->comps[i].fileno = le64_to_cpu(s->comps[i].fileno); | |
1766 | s->comps[i].offset = le64_to_cpu(s->comps[i].offset); | |
c3546b53 | 1767 | } |
ca09be4b | 1768 | |
94a6e1bb | 1769 | td->vstate = p; |
ca09be4b JA |
1770 | } |
1771 | ||
94a6e1bb | 1772 | int verify_state_hdr(struct verify_state_hdr *hdr, struct thread_io_list *s) |
ca09be4b JA |
1773 | { |
1774 | uint64_t crc; | |
1775 | ||
1776 | hdr->version = le64_to_cpu(hdr->version); | |
1777 | hdr->size = le64_to_cpu(hdr->size); | |
1778 | hdr->crc = le64_to_cpu(hdr->crc); | |
1779 | ||
94a6e1bb | 1780 | if (hdr->version != VSTATE_HDR_VERSION) |
ca09be4b JA |
1781 | return 1; |
1782 | ||
1783 | crc = fio_crc32c((void *)s, hdr->size); | |
1784 | if (crc != hdr->crc) | |
1785 | return 1; | |
1786 | ||
1787 | return 0; | |
1788 | } | |
1789 | ||
1790 | int verify_load_state(struct thread_data *td, const char *prefix) | |
1791 | { | |
ca09be4b | 1792 | struct verify_state_hdr hdr; |
c3546b53 | 1793 | void *s = NULL; |
ca09be4b JA |
1794 | uint64_t crc; |
1795 | ssize_t ret; | |
1796 | int fd; | |
1797 | ||
1798 | if (!td->o.verify_state) | |
1799 | return 0; | |
1800 | ||
1801 | fd = open_state_file(td->o.name, prefix, td->thread_number - 1, 0); | |
1802 | if (fd == -1) | |
1803 | return 1; | |
1804 | ||
1805 | ret = read(fd, &hdr, sizeof(hdr)); | |
1806 | if (ret != sizeof(hdr)) { | |
1807 | if (ret < 0) | |
1808 | td_verror(td, errno, "read verify state hdr"); | |
1809 | log_err("fio: failed reading verify state header\n"); | |
1810 | goto err; | |
1811 | } | |
1812 | ||
1813 | hdr.version = le64_to_cpu(hdr.version); | |
1814 | hdr.size = le64_to_cpu(hdr.size); | |
1815 | hdr.crc = le64_to_cpu(hdr.crc); | |
1816 | ||
94a6e1bb JA |
1817 | if (hdr.version != VSTATE_HDR_VERSION) { |
1818 | log_err("fio: unsupported (%d) version in verify state header\n", | |
1819 | (unsigned int) hdr.version); | |
ca09be4b JA |
1820 | goto err; |
1821 | } | |
1822 | ||
1823 | s = malloc(hdr.size); | |
1824 | ret = read(fd, s, hdr.size); | |
1825 | if (ret != hdr.size) { | |
1826 | if (ret < 0) | |
1827 | td_verror(td, errno, "read verify state"); | |
1828 | log_err("fio: failed reading verity state\n"); | |
1829 | goto err; | |
1830 | } | |
1831 | ||
c3546b53 | 1832 | crc = fio_crc32c(s, hdr.size); |
ca09be4b JA |
1833 | if (crc != hdr.crc) { |
1834 | log_err("fio: verify state is corrupt\n"); | |
1835 | goto err; | |
1836 | } | |
1837 | ||
1838 | close(fd); | |
1839 | ||
94a6e1bb | 1840 | verify_assign_state(td, s); |
ca09be4b JA |
1841 | return 0; |
1842 | err: | |
1843 | if (s) | |
1844 | free(s); | |
1845 | close(fd); | |
1846 | return 1; | |
1847 | } | |
1848 | ||
1849 | /* | |
1850 | * Use the loaded verify state to know when to stop doing verification | |
1851 | */ | |
1852 | int verify_state_should_stop(struct thread_data *td, struct io_u *io_u) | |
1853 | { | |
1854 | struct thread_io_list *s = td->vstate; | |
94a6e1bb | 1855 | struct fio_file *f = io_u->file; |
ca09be4b JA |
1856 | int i; |
1857 | ||
94a6e1bb | 1858 | if (!s || !f) |
ca09be4b JA |
1859 | return 0; |
1860 | ||
1861 | /* | |
def00095 JA |
1862 | * If we're not into the window of issues - depth yet, continue. If |
1863 | * issue is shorter than depth, do check. | |
ca09be4b | 1864 | */ |
def00095 JA |
1865 | if ((td->io_blocks[DDIR_READ] < s->depth || |
1866 | s->numberio - td->io_blocks[DDIR_READ] > s->depth) && | |
1867 | s->numberio > s->depth) | |
ca09be4b JA |
1868 | return 0; |
1869 | ||
1870 | /* | |
1871 | * We're in the window of having to check if this io was | |
1872 | * completed or not. If the IO was seen as completed, then | |
1873 | * lets verify it. | |
1874 | */ | |
94a6e1bb JA |
1875 | for (i = 0; i < s->no_comps; i++) { |
1876 | if (s->comps[i].fileno != f->fileno) | |
1877 | continue; | |
1878 | if (io_u->offset == s->comps[i].offset) | |
ca09be4b | 1879 | return 0; |
94a6e1bb | 1880 | } |
ca09be4b JA |
1881 | |
1882 | /* | |
1883 | * Not found, we have to stop | |
1884 | */ | |
1885 | return 1; | |
1886 | } |