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 | void fill_buffer_pattern(struct thread_data *td, void *p, unsigned int len) |
33 | { | |
632ae347 | 34 | fill_pattern(p, len, td->o.buffer_pattern, td->o.buffer_pattern_bytes); |
ce35b1ec JA |
35 | } |
36 | ||
7fa085ea JA |
37 | void __fill_buffer(struct thread_options *o, unsigned long seed, void *p, |
38 | unsigned int len) | |
39 | { | |
40 | __fill_random_buf_percentage(seed, p, o->compress_percentage, len, len, o->buffer_pattern, o->buffer_pattern_bytes); | |
41 | } | |
42 | ||
43 | unsigned long fill_buffer(struct thread_data *td, void *p, unsigned int len) | |
44 | { | |
45 | struct frand_state *fs = &td->verify_state; | |
46 | struct thread_options *o = &td->o; | |
47 | ||
48 | return fill_random_buf_percentage(fs, p, o->compress_percentage, len, len, o->buffer_pattern, o->buffer_pattern_bytes); | |
49 | } | |
50 | ||
ce35b1ec JA |
51 | void fill_verify_pattern(struct thread_data *td, void *p, unsigned int len, |
52 | struct io_u *io_u, unsigned long seed, int use_seed) | |
53 | { | |
bc769898 JA |
54 | struct thread_options *o = &td->o; |
55 | ||
56 | if (!o->verify_pattern_bytes) { | |
ce35b1ec JA |
57 | dprint(FD_VERIFY, "fill random bytes len=%u\n", len); |
58 | ||
59 | if (use_seed) | |
7fa085ea JA |
60 | __fill_buffer(o, seed, p, len); |
61 | else | |
62 | io_u->rand_seed = fill_buffer(td, p, len); | |
ce35b1ec JA |
63 | return; |
64 | } | |
c4b6117b | 65 | |
ce35b1ec JA |
66 | if (io_u->buf_filled_len >= len) { |
67 | dprint(FD_VERIFY, "using already filled verify pattern b=%d len=%u\n", | |
bc769898 | 68 | o->verify_pattern_bytes, len); |
ce35b1ec JA |
69 | return; |
70 | } | |
71 | ||
bc769898 | 72 | fill_pattern(p, len, o->verify_pattern, o->verify_pattern_bytes); |
ce35b1ec JA |
73 | io_u->buf_filled_len = len; |
74 | } | |
75 | ||
cfbcd0dc JA |
76 | static unsigned int get_hdr_inc(struct thread_data *td, struct io_u *io_u) |
77 | { | |
78 | unsigned int hdr_inc; | |
79 | ||
80 | hdr_inc = io_u->buflen; | |
8a99fdf6 | 81 | if (td->o.verify_interval && td->o.verify_interval <= io_u->buflen) |
cfbcd0dc JA |
82 | hdr_inc = td->o.verify_interval; |
83 | ||
84 | return hdr_inc; | |
85 | } | |
86 | ||
c50ca7bd JA |
87 | static void fill_pattern_headers(struct thread_data *td, struct io_u *io_u, |
88 | unsigned long seed, int use_seed) | |
89 | { | |
90 | unsigned int hdr_inc, header_num; | |
91 | struct verify_header *hdr; | |
92 | void *p = io_u->buf; | |
93 | ||
ce35b1ec | 94 | fill_verify_pattern(td, p, io_u->buflen, io_u, seed, use_seed); |
c50ca7bd | 95 | |
cfbcd0dc | 96 | hdr_inc = get_hdr_inc(td, io_u); |
c50ca7bd JA |
97 | header_num = 0; |
98 | for (; p < io_u->buf + io_u->buflen; p += hdr_inc) { | |
99 | hdr = p; | |
100 | populate_hdr(td, io_u, hdr, header_num, hdr_inc); | |
101 | header_num++; | |
102 | } | |
103 | } | |
104 | ||
4764aec9 | 105 | static void memswp(void *buf1, void *buf2, unsigned int len) |
546a9142 | 106 | { |
dee6de74 SL |
107 | char swap[200]; |
108 | ||
109 | assert(len <= sizeof(swap)); | |
90059d65 | 110 | |
546a9142 SL |
111 | memcpy(&swap, buf1, len); |
112 | memcpy(buf1, buf2, len); | |
113 | memcpy(buf2, &swap, len); | |
114 | } | |
115 | ||
e29d1b70 JA |
116 | static void hexdump(void *buffer, int len) |
117 | { | |
118 | unsigned char *p = buffer; | |
119 | int i; | |
120 | ||
121 | for (i = 0; i < len; i++) | |
bfacf389 JA |
122 | log_err("%02x", p[i]); |
123 | log_err("\n"); | |
e29d1b70 JA |
124 | } |
125 | ||
87677832 | 126 | /* |
de8f6de9 | 127 | * Prepare for separation of verify_header and checksum header |
87677832 | 128 | */ |
546dfd9f | 129 | static inline unsigned int __hdr_size(int verify_type) |
87677832 | 130 | { |
03e20d68 | 131 | unsigned int len = 0; |
87677832 | 132 | |
546dfd9f JA |
133 | switch (verify_type) { |
134 | case VERIFY_NONE: | |
135 | case VERIFY_NULL: | |
136 | len = 0; | |
137 | break; | |
138 | case VERIFY_MD5: | |
139 | len = sizeof(struct vhdr_md5); | |
140 | break; | |
141 | case VERIFY_CRC64: | |
142 | len = sizeof(struct vhdr_crc64); | |
143 | break; | |
bac39e0e | 144 | case VERIFY_CRC32C: |
546dfd9f | 145 | case VERIFY_CRC32: |
3845591f | 146 | case VERIFY_CRC32C_INTEL: |
546dfd9f JA |
147 | len = sizeof(struct vhdr_crc32); |
148 | break; | |
149 | case VERIFY_CRC16: | |
150 | len = sizeof(struct vhdr_crc16); | |
151 | break; | |
152 | case VERIFY_CRC7: | |
153 | len = sizeof(struct vhdr_crc7); | |
154 | break; | |
155 | case VERIFY_SHA256: | |
156 | len = sizeof(struct vhdr_sha256); | |
157 | break; | |
158 | case VERIFY_SHA512: | |
159 | len = sizeof(struct vhdr_sha512); | |
160 | break; | |
844ea602 JA |
161 | case VERIFY_XXHASH: |
162 | len = sizeof(struct vhdr_xxhash); | |
163 | break; | |
7437ee87 SL |
164 | case VERIFY_META: |
165 | len = sizeof(struct vhdr_meta); | |
166 | break; | |
7c353ceb JA |
167 | case VERIFY_SHA1: |
168 | len = sizeof(struct vhdr_sha1); | |
169 | break; | |
92bf48d5 | 170 | case VERIFY_PATTERN: |
59245381 | 171 | case VERIFY_PATTERN_NO_HDR: |
92bf48d5 JA |
172 | len = 0; |
173 | break; | |
546dfd9f JA |
174 | default: |
175 | log_err("fio: unknown verify header!\n"); | |
176 | assert(0); | |
177 | } | |
178 | ||
179 | return len + sizeof(struct verify_header); | |
87677832 JA |
180 | } |
181 | ||
182 | static inline unsigned int hdr_size(struct verify_header *hdr) | |
183 | { | |
546dfd9f JA |
184 | return __hdr_size(hdr->verify_type); |
185 | } | |
186 | ||
187 | static void *hdr_priv(struct verify_header *hdr) | |
188 | { | |
189 | void *priv = hdr; | |
190 | ||
191 | return priv + sizeof(struct verify_header); | |
87677832 JA |
192 | } |
193 | ||
936216f8 JA |
194 | /* |
195 | * Verify container, pass info to verify handlers and allow them to | |
196 | * pass info back in case of error | |
197 | */ | |
198 | struct vcont { | |
199 | /* | |
200 | * Input | |
201 | */ | |
202 | struct io_u *io_u; | |
203 | unsigned int hdr_num; | |
7d9fb455 | 204 | struct thread_data *td; |
936216f8 JA |
205 | |
206 | /* | |
207 | * Output, only valid in case of error | |
208 | */ | |
bfacf389 JA |
209 | const char *name; |
210 | void *good_crc; | |
211 | void *bad_crc; | |
936216f8 JA |
212 | unsigned int crc_len; |
213 | }; | |
214 | ||
dacbbb88 JA |
215 | #define DUMP_BUF_SZ 255 |
216 | static int dump_buf_warned; | |
217 | ||
c50ca7bd JA |
218 | static void dump_buf(char *buf, unsigned int len, unsigned long long offset, |
219 | const char *type, struct fio_file *f) | |
7d9fb455 | 220 | { |
dacbbb88 JA |
221 | char *ptr, fname[DUMP_BUF_SZ]; |
222 | size_t buf_left = DUMP_BUF_SZ; | |
7d9fb455 JA |
223 | int ret, fd; |
224 | ||
6f260b31 | 225 | ptr = strdup(f->file_name); |
c50ca7bd | 226 | |
dacbbb88 JA |
227 | fname[DUMP_BUF_SZ - 1] = '\0'; |
228 | strncpy(fname, basename(ptr), DUMP_BUF_SZ - 1); | |
229 | ||
230 | buf_left -= strlen(fname); | |
231 | if (buf_left <= 0) { | |
232 | if (!dump_buf_warned) { | |
233 | log_err("fio: verify failure dump buffer too small\n"); | |
234 | dump_buf_warned = 1; | |
235 | } | |
236 | free(ptr); | |
237 | return; | |
238 | } | |
239 | ||
240 | snprintf(fname + strlen(fname), buf_left, ".%llu.%s", offset, type); | |
7d9fb455 JA |
241 | |
242 | fd = open(fname, O_CREAT | O_TRUNC | O_WRONLY, 0644); | |
243 | if (fd < 0) { | |
244 | perror("open verify buf file"); | |
245 | return; | |
246 | } | |
247 | ||
248 | while (len) { | |
249 | ret = write(fd, buf, len); | |
250 | if (!ret) | |
251 | break; | |
252 | else if (ret < 0) { | |
253 | perror("write verify buf file"); | |
254 | break; | |
255 | } | |
256 | len -= ret; | |
257 | buf += ret; | |
258 | } | |
259 | ||
260 | close(fd); | |
c50ca7bd | 261 | log_err(" %s data dumped as %s\n", type, fname); |
6f260b31 | 262 | free(ptr); |
7d9fb455 JA |
263 | } |
264 | ||
c50ca7bd JA |
265 | /* |
266 | * Dump the contents of the read block and re-generate the correct data | |
267 | * and dump that too. | |
268 | */ | |
7d9fb455 JA |
269 | static void dump_verify_buffers(struct verify_header *hdr, struct vcont *vc) |
270 | { | |
271 | struct thread_data *td = vc->td; | |
272 | struct io_u *io_u = vc->io_u; | |
273 | unsigned long hdr_offset; | |
7d9fb455 | 274 | struct io_u dummy; |
c50ca7bd | 275 | void *buf; |
7d9fb455 | 276 | |
0dce9bc9 SL |
277 | if (!td->o.verify_dump) |
278 | return; | |
279 | ||
c50ca7bd JA |
280 | /* |
281 | * Dump the contents we just read off disk | |
282 | */ | |
7d9fb455 JA |
283 | hdr_offset = vc->hdr_num * hdr->len; |
284 | ||
c50ca7bd JA |
285 | dump_buf(io_u->buf + hdr_offset, hdr->len, io_u->offset + hdr_offset, |
286 | "received", vc->io_u->file); | |
7d9fb455 | 287 | |
c50ca7bd JA |
288 | /* |
289 | * Allocate a new buf and re-generate the original data | |
290 | */ | |
291 | buf = malloc(io_u->buflen); | |
7d9fb455 | 292 | dummy = *io_u; |
c50ca7bd | 293 | dummy.buf = buf; |
4aae38a6 | 294 | dummy.rand_seed = hdr->rand_seed; |
cfbcd0dc | 295 | dummy.buf_filled_len = 0; |
0d81daf9 | 296 | dummy.buflen = io_u->buflen; |
7d9fb455 | 297 | |
c50ca7bd | 298 | fill_pattern_headers(td, &dummy, hdr->rand_seed, 1); |
7d9fb455 | 299 | |
c50ca7bd JA |
300 | dump_buf(buf + hdr_offset, hdr->len, io_u->offset + hdr_offset, |
301 | "expected", vc->io_u->file); | |
7d9fb455 JA |
302 | free(buf); |
303 | } | |
304 | ||
bfacf389 JA |
305 | static void log_verify_failure(struct verify_header *hdr, struct vcont *vc) |
306 | { | |
307 | unsigned long long offset; | |
308 | ||
309 | offset = vc->io_u->offset; | |
310 | offset += vc->hdr_num * hdr->len; | |
32c17adf JA |
311 | log_err("%.8s: verify failed at file %s offset %llu, length %u\n", |
312 | vc->name, vc->io_u->file->file_name, offset, hdr->len); | |
bfacf389 JA |
313 | |
314 | if (vc->good_crc && vc->bad_crc) { | |
315 | log_err(" Expected CRC: "); | |
316 | hexdump(vc->good_crc, vc->crc_len); | |
317 | log_err(" Received CRC: "); | |
318 | hexdump(vc->bad_crc, vc->crc_len); | |
319 | } | |
7d9fb455 JA |
320 | |
321 | dump_verify_buffers(hdr, vc); | |
bfacf389 JA |
322 | } |
323 | ||
d9f2caf3 JA |
324 | /* |
325 | * Return data area 'header_num' | |
326 | */ | |
936216f8 | 327 | static inline void *io_u_verify_off(struct verify_header *hdr, struct vcont *vc) |
d9f2caf3 | 328 | { |
936216f8 | 329 | return vc->io_u->buf + vc->hdr_num * hdr->len + hdr_size(hdr); |
d9f2caf3 JA |
330 | } |
331 | ||
92bf48d5 JA |
332 | static int verify_io_u_pattern(struct verify_header *hdr, struct vcont *vc) |
333 | { | |
334 | struct thread_data *td = vc->td; | |
335 | struct io_u *io_u = vc->io_u; | |
336 | char *buf, *pattern; | |
2b13e716 | 337 | unsigned int header_size = __hdr_size(td->o.verify); |
9a2a86d0 | 338 | unsigned int len, mod, i, size, pattern_size; |
92bf48d5 JA |
339 | |
340 | pattern = td->o.verify_pattern; | |
9a2a86d0 SL |
341 | pattern_size = td->o.verify_pattern_bytes; |
342 | if (pattern_size <= 1) | |
343 | pattern_size = MAX_PATTERN_SIZE; | |
2b13e716 JA |
344 | buf = (void *) hdr + header_size; |
345 | len = get_hdr_inc(td, io_u) - header_size; | |
9a2a86d0 SL |
346 | mod = header_size % pattern_size; |
347 | ||
348 | for (i = 0; i < len; i += size) { | |
349 | size = pattern_size - mod; | |
350 | if (size > (len - i)) | |
351 | size = len - i; | |
352 | if (memcmp(buf + i, pattern + mod, size)) | |
e4ad68b1 | 353 | /* Let the slow compare find the first mismatch byte. */ |
9a2a86d0 SL |
354 | break; |
355 | mod = 0; | |
356 | } | |
92bf48d5 | 357 | |
9a2a86d0 | 358 | for (; i < len; i++) { |
92bf48d5 JA |
359 | if (buf[i] != pattern[mod]) { |
360 | unsigned int bits; | |
361 | ||
362 | bits = hweight8(buf[i] ^ pattern[mod]); | |
363 | log_err("fio: got pattern %x, wanted %x. Bad bits %d\n", | |
364 | buf[i], pattern[mod], bits); | |
365 | log_err("fio: bad pattern block offset %u\n", i); | |
366 | dump_verify_buffers(hdr, vc); | |
367 | return EILSEQ; | |
368 | } | |
369 | mod++; | |
370 | if (mod == td->o.verify_pattern_bytes) | |
371 | mod = 0; | |
372 | } | |
373 | ||
374 | return 0; | |
375 | } | |
376 | ||
377 | static int verify_io_u_meta(struct verify_header *hdr, struct vcont *vc) | |
7437ee87 | 378 | { |
92bf48d5 | 379 | struct thread_data *td = vc->td; |
7437ee87 | 380 | struct vhdr_meta *vh = hdr_priv(hdr); |
936216f8 | 381 | struct io_u *io_u = vc->io_u; |
92bf48d5 | 382 | int ret = EILSEQ; |
7437ee87 | 383 | |
bd6f78b2 JA |
384 | dprint(FD_VERIFY, "meta verify io_u %p, len %u\n", io_u, hdr->len); |
385 | ||
bfacf389 | 386 | if (vh->offset == io_u->offset + vc->hdr_num * td->o.verify_interval) |
92bf48d5 JA |
387 | ret = 0; |
388 | ||
389 | if (td->o.verify_pattern_bytes) | |
390 | ret |= verify_io_u_pattern(hdr, vc); | |
391 | ||
da0a7bd2 JC |
392 | /* |
393 | * For read-only workloads, the program cannot be certain of the | |
8bca6016 JA |
394 | * last numberio written to a block. Checking of numberio will be |
395 | * done only for workloads that write data. For verify_only, | |
396 | * numberio will be checked in the last iteration when the correct | |
397 | * state of numberio, that would have been written to each block | |
398 | * in a previous run of fio, has been reached. | |
da0a7bd2 | 399 | */ |
b7f5c00d JA |
400 | if ((td_write(td) || td_rw(td)) && (td_min_bs(td) == td_max_bs(td)) && |
401 | !td->o.time_based) | |
62167762 JC |
402 | if (!td->o.verify_only || td->o.loops == 0) |
403 | if (vh->numberio != io_u->numberio) | |
404 | ret = EILSEQ; | |
da0a7bd2 | 405 | |
92bf48d5 | 406 | if (!ret) |
bfacf389 | 407 | return 0; |
7437ee87 | 408 | |
bfacf389 JA |
409 | vc->name = "meta"; |
410 | log_verify_failure(hdr, vc); | |
92bf48d5 | 411 | return ret; |
7437ee87 SL |
412 | } |
413 | ||
844ea602 JA |
414 | static int verify_io_u_xxhash(struct verify_header *hdr, struct vcont *vc) |
415 | { | |
416 | void *p = io_u_verify_off(hdr, vc); | |
417 | struct vhdr_xxhash *vh = hdr_priv(hdr); | |
418 | uint32_t hash; | |
419 | void *state; | |
420 | ||
421 | dprint(FD_VERIFY, "xxhash verify io_u %p, len %u\n", vc->io_u, hdr->len); | |
422 | ||
423 | state = XXH32_init(1); | |
424 | XXH32_update(state, p, hdr->len - hdr_size(hdr)); | |
425 | hash = XXH32_digest(state); | |
426 | ||
427 | if (vh->hash == hash) | |
428 | return 0; | |
429 | ||
430 | vc->name = "xxhash"; | |
431 | vc->good_crc = &vh->hash; | |
432 | vc->bad_crc = &hash; | |
433 | vc->crc_len = sizeof(hash); | |
434 | log_verify_failure(hdr, vc); | |
435 | return EILSEQ; | |
436 | } | |
437 | ||
936216f8 | 438 | static int verify_io_u_sha512(struct verify_header *hdr, struct vcont *vc) |
cd14cc10 | 439 | { |
936216f8 | 440 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 441 | struct vhdr_sha512 *vh = hdr_priv(hdr); |
cd14cc10 | 442 | uint8_t sha512[128]; |
25dfa848 | 443 | struct fio_sha512_ctx sha512_ctx = { |
cd14cc10 JA |
444 | .buf = sha512, |
445 | }; | |
446 | ||
936216f8 | 447 | dprint(FD_VERIFY, "sha512 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 448 | |
25dfa848 JA |
449 | fio_sha512_init(&sha512_ctx); |
450 | fio_sha512_update(&sha512_ctx, p, hdr->len - hdr_size(hdr)); | |
cd14cc10 | 451 | |
bfacf389 JA |
452 | if (!memcmp(vh->sha512, sha512_ctx.buf, sizeof(sha512))) |
453 | return 0; | |
cd14cc10 | 454 | |
bfacf389 JA |
455 | vc->name = "sha512"; |
456 | vc->good_crc = vh->sha512; | |
457 | vc->bad_crc = sha512_ctx.buf; | |
458 | vc->crc_len = sizeof(vh->sha512); | |
459 | log_verify_failure(hdr, vc); | |
460 | return EILSEQ; | |
cd14cc10 JA |
461 | } |
462 | ||
936216f8 | 463 | static int verify_io_u_sha256(struct verify_header *hdr, struct vcont *vc) |
cd14cc10 | 464 | { |
936216f8 | 465 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 466 | struct vhdr_sha256 *vh = hdr_priv(hdr); |
bc77f56f | 467 | uint8_t sha256[64]; |
25dfa848 | 468 | struct fio_sha256_ctx sha256_ctx = { |
cd14cc10 JA |
469 | .buf = sha256, |
470 | }; | |
471 | ||
936216f8 | 472 | dprint(FD_VERIFY, "sha256 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 473 | |
25dfa848 JA |
474 | fio_sha256_init(&sha256_ctx); |
475 | fio_sha256_update(&sha256_ctx, p, hdr->len - hdr_size(hdr)); | |
017052b6 | 476 | fio_sha256_final(&sha256_ctx); |
cd14cc10 | 477 | |
bfacf389 JA |
478 | if (!memcmp(vh->sha256, sha256_ctx.buf, sizeof(sha256))) |
479 | return 0; | |
cd14cc10 | 480 | |
bfacf389 JA |
481 | vc->name = "sha256"; |
482 | vc->good_crc = vh->sha256; | |
483 | vc->bad_crc = sha256_ctx.buf; | |
484 | vc->crc_len = sizeof(vh->sha256); | |
485 | log_verify_failure(hdr, vc); | |
486 | return EILSEQ; | |
cd14cc10 JA |
487 | } |
488 | ||
936216f8 | 489 | static int verify_io_u_sha1(struct verify_header *hdr, struct vcont *vc) |
7c353ceb | 490 | { |
936216f8 | 491 | void *p = io_u_verify_off(hdr, vc); |
7c353ceb JA |
492 | struct vhdr_sha1 *vh = hdr_priv(hdr); |
493 | uint32_t sha1[5]; | |
25dfa848 | 494 | struct fio_sha1_ctx sha1_ctx = { |
7c353ceb JA |
495 | .H = sha1, |
496 | }; | |
497 | ||
936216f8 | 498 | dprint(FD_VERIFY, "sha1 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
7c353ceb | 499 | |
25dfa848 JA |
500 | fio_sha1_init(&sha1_ctx); |
501 | fio_sha1_update(&sha1_ctx, p, hdr->len - hdr_size(hdr)); | |
017052b6 | 502 | fio_sha1_final(&sha1_ctx); |
7c353ceb | 503 | |
bfacf389 JA |
504 | if (!memcmp(vh->sha1, sha1_ctx.H, sizeof(sha1))) |
505 | return 0; | |
7c353ceb | 506 | |
bfacf389 JA |
507 | vc->name = "sha1"; |
508 | vc->good_crc = vh->sha1; | |
509 | vc->bad_crc = sha1_ctx.H; | |
510 | vc->crc_len = sizeof(vh->sha1); | |
511 | log_verify_failure(hdr, vc); | |
512 | return EILSEQ; | |
7c353ceb JA |
513 | } |
514 | ||
936216f8 | 515 | static int verify_io_u_crc7(struct verify_header *hdr, struct vcont *vc) |
1e154bdb | 516 | { |
936216f8 | 517 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 518 | struct vhdr_crc7 *vh = hdr_priv(hdr); |
1e154bdb JA |
519 | unsigned char c; |
520 | ||
936216f8 | 521 | dprint(FD_VERIFY, "crc7 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 522 | |
25dfa848 | 523 | c = fio_crc7(p, hdr->len - hdr_size(hdr)); |
1e154bdb | 524 | |
bfacf389 JA |
525 | if (c == vh->crc7) |
526 | return 0; | |
1e154bdb | 527 | |
bfacf389 JA |
528 | vc->name = "crc7"; |
529 | vc->good_crc = &vh->crc7; | |
530 | vc->bad_crc = &c; | |
531 | vc->crc_len = 1; | |
532 | log_verify_failure(hdr, vc); | |
533 | return EILSEQ; | |
1e154bdb JA |
534 | } |
535 | ||
936216f8 | 536 | static int verify_io_u_crc16(struct verify_header *hdr, struct vcont *vc) |
969f7ed3 | 537 | { |
936216f8 | 538 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 539 | struct vhdr_crc16 *vh = hdr_priv(hdr); |
969f7ed3 JA |
540 | unsigned short c; |
541 | ||
936216f8 | 542 | dprint(FD_VERIFY, "crc16 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 543 | |
25dfa848 | 544 | c = fio_crc16(p, hdr->len - hdr_size(hdr)); |
969f7ed3 | 545 | |
bfacf389 JA |
546 | if (c == vh->crc16) |
547 | return 0; | |
969f7ed3 | 548 | |
bfacf389 JA |
549 | vc->name = "crc16"; |
550 | vc->good_crc = &vh->crc16; | |
551 | vc->bad_crc = &c; | |
552 | vc->crc_len = 2; | |
553 | log_verify_failure(hdr, vc); | |
554 | return EILSEQ; | |
969f7ed3 JA |
555 | } |
556 | ||
936216f8 | 557 | static int verify_io_u_crc64(struct verify_header *hdr, struct vcont *vc) |
d77a7af3 | 558 | { |
936216f8 | 559 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 560 | struct vhdr_crc64 *vh = hdr_priv(hdr); |
d77a7af3 JA |
561 | unsigned long long c; |
562 | ||
936216f8 | 563 | dprint(FD_VERIFY, "crc64 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 564 | |
25dfa848 | 565 | c = fio_crc64(p, hdr->len - hdr_size(hdr)); |
d77a7af3 | 566 | |
bfacf389 JA |
567 | if (c == vh->crc64) |
568 | return 0; | |
d77a7af3 | 569 | |
bfacf389 JA |
570 | vc->name = "crc64"; |
571 | vc->good_crc = &vh->crc64; | |
572 | vc->bad_crc = &c; | |
573 | vc->crc_len = 8; | |
574 | log_verify_failure(hdr, vc); | |
575 | return EILSEQ; | |
d77a7af3 JA |
576 | } |
577 | ||
936216f8 | 578 | static int verify_io_u_crc32(struct verify_header *hdr, struct vcont *vc) |
e29d1b70 | 579 | { |
936216f8 | 580 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f JA |
581 | struct vhdr_crc32 *vh = hdr_priv(hdr); |
582 | uint32_t c; | |
e29d1b70 | 583 | |
936216f8 | 584 | dprint(FD_VERIFY, "crc32 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 585 | |
25dfa848 | 586 | c = fio_crc32(p, hdr->len - hdr_size(hdr)); |
e29d1b70 | 587 | |
bfacf389 JA |
588 | if (c == vh->crc32) |
589 | return 0; | |
e29d1b70 | 590 | |
bfacf389 JA |
591 | vc->name = "crc32"; |
592 | vc->good_crc = &vh->crc32; | |
593 | vc->bad_crc = &c; | |
594 | vc->crc_len = 4; | |
595 | log_verify_failure(hdr, vc); | |
596 | return EILSEQ; | |
e29d1b70 JA |
597 | } |
598 | ||
936216f8 | 599 | static int verify_io_u_crc32c(struct verify_header *hdr, struct vcont *vc) |
bac39e0e | 600 | { |
936216f8 | 601 | void *p = io_u_verify_off(hdr, vc); |
bac39e0e JA |
602 | struct vhdr_crc32 *vh = hdr_priv(hdr); |
603 | uint32_t c; | |
604 | ||
936216f8 | 605 | dprint(FD_VERIFY, "crc32c verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bac39e0e | 606 | |
25dfa848 | 607 | c = fio_crc32c(p, hdr->len - hdr_size(hdr)); |
bac39e0e | 608 | |
bfacf389 JA |
609 | if (c == vh->crc32) |
610 | return 0; | |
bac39e0e | 611 | |
bfacf389 JA |
612 | vc->name = "crc32c"; |
613 | vc->good_crc = &vh->crc32; | |
614 | vc->bad_crc = &c; | |
615 | vc->crc_len = 4; | |
616 | log_verify_failure(hdr, vc); | |
617 | return EILSEQ; | |
bac39e0e JA |
618 | } |
619 | ||
936216f8 | 620 | static int verify_io_u_md5(struct verify_header *hdr, struct vcont *vc) |
e29d1b70 | 621 | { |
936216f8 | 622 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 623 | struct vhdr_md5 *vh = hdr_priv(hdr); |
8c432325 | 624 | uint32_t hash[MD5_HASH_WORDS]; |
25dfa848 | 625 | struct fio_md5_ctx md5_ctx = { |
8c432325 JA |
626 | .hash = hash, |
627 | }; | |
e29d1b70 | 628 | |
936216f8 | 629 | dprint(FD_VERIFY, "md5 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 630 | |
25dfa848 JA |
631 | fio_md5_init(&md5_ctx); |
632 | fio_md5_update(&md5_ctx, p, hdr->len - hdr_size(hdr)); | |
017052b6 | 633 | fio_md5_final(&md5_ctx); |
e29d1b70 | 634 | |
bfacf389 JA |
635 | if (!memcmp(vh->md5_digest, md5_ctx.hash, sizeof(hash))) |
636 | return 0; | |
e29d1b70 | 637 | |
bfacf389 JA |
638 | vc->name = "md5"; |
639 | vc->good_crc = vh->md5_digest; | |
640 | vc->bad_crc = md5_ctx.hash; | |
641 | vc->crc_len = sizeof(hash); | |
642 | log_verify_failure(hdr, vc); | |
643 | return EILSEQ; | |
e29d1b70 JA |
644 | } |
645 | ||
e8462bd8 JA |
646 | /* |
647 | * Push IO verification to a separate thread | |
648 | */ | |
f8b0bd10 | 649 | int verify_io_u_async(struct thread_data *td, struct io_u **io_u_ptr) |
e8462bd8 | 650 | { |
f8b0bd10 | 651 | struct io_u *io_u = *io_u_ptr; |
e8462bd8 | 652 | |
e8462bd8 | 653 | pthread_mutex_lock(&td->io_u_lock); |
d7ee2a7d | 654 | |
f8b0bd10 JA |
655 | if (io_u->file) |
656 | put_file_log(td, io_u->file); | |
657 | ||
0c41214f RR |
658 | if (io_u->flags & IO_U_F_IN_CUR_DEPTH) { |
659 | td->cur_depth--; | |
a9da8ab2 | 660 | io_u_clear(io_u, IO_U_F_IN_CUR_DEPTH); |
0c41214f | 661 | } |
2ae0b204 | 662 | flist_add_tail(&io_u->verify_list, &td->verify_list); |
f8b0bd10 | 663 | *io_u_ptr = NULL; |
e8462bd8 JA |
664 | pthread_mutex_unlock(&td->io_u_lock); |
665 | ||
666 | pthread_cond_signal(&td->verify_cond); | |
e8462bd8 JA |
667 | return 0; |
668 | } | |
669 | ||
0d29de83 JA |
670 | static int verify_trimmed_io_u(struct thread_data *td, struct io_u *io_u) |
671 | { | |
672 | static char zero_buf[1024]; | |
673 | unsigned int this_len, len; | |
674 | int ret = 0; | |
675 | void *p; | |
676 | ||
677 | if (!td->o.trim_zero) | |
678 | return 0; | |
679 | ||
680 | len = io_u->buflen; | |
681 | p = io_u->buf; | |
682 | do { | |
683 | this_len = sizeof(zero_buf); | |
684 | if (this_len > len) | |
685 | this_len = len; | |
686 | if (memcmp(p, zero_buf, this_len)) { | |
687 | ret = EILSEQ; | |
688 | break; | |
689 | } | |
690 | len -= this_len; | |
691 | p += this_len; | |
692 | } while (len); | |
693 | ||
694 | if (!ret) | |
695 | return 0; | |
696 | ||
a917a8b3 JA |
697 | log_err("trim: verify failed at file %s offset %llu, length %lu" |
698 | ", block offset %lu\n", | |
699 | io_u->file->file_name, io_u->offset, io_u->buflen, | |
2f68124f | 700 | (unsigned long) (p - io_u->buf)); |
0d29de83 JA |
701 | return ret; |
702 | } | |
703 | ||
5964842c AG |
704 | static int verify_header(struct io_u *io_u, struct verify_header *hdr, |
705 | unsigned int hdr_num, unsigned int hdr_len) | |
f65d1c26 JA |
706 | { |
707 | void *p = hdr; | |
708 | uint32_t crc; | |
709 | ||
5964842c AG |
710 | if (hdr->magic != FIO_HDR_MAGIC) { |
711 | log_err("verify: bad magic header %x, wanted %x", | |
712 | hdr->magic, FIO_HDR_MAGIC); | |
713 | goto err; | |
714 | } | |
4445856a | 715 | if (hdr->len != hdr_len) { |
5964842c AG |
716 | log_err("verify: bad header length %u, wanted %u", |
717 | hdr->len, hdr_len); | |
718 | goto err; | |
719 | } | |
720 | if (hdr->rand_seed != io_u->rand_seed) { | |
721 | log_err("verify: bad header rand_seed %"PRIu64 | |
722 | ", wanted %"PRIu64, | |
723 | hdr->rand_seed, io_u->rand_seed); | |
724 | goto err; | |
725 | } | |
ae38c0dc | 726 | |
25dfa848 | 727 | crc = fio_crc32c(p, offsetof(struct verify_header, crc32)); |
5964842c AG |
728 | if (crc != hdr->crc32) { |
729 | log_err("verify: bad header crc %x, calculated %x", | |
730 | hdr->crc32, crc); | |
731 | goto err; | |
732 | } | |
733 | return 0; | |
734 | ||
735 | err: | |
736 | log_err(" at file %s offset %llu, length %u\n", | |
737 | io_u->file->file_name, | |
738 | io_u->offset + hdr_num * hdr_len, hdr_len); | |
739 | return EILSEQ; | |
f65d1c26 JA |
740 | } |
741 | ||
f8b0bd10 | 742 | int verify_io_u(struct thread_data *td, struct io_u **io_u_ptr) |
e29d1b70 | 743 | { |
3f9f4e26 | 744 | struct verify_header *hdr; |
f8b0bd10 | 745 | struct io_u *io_u = *io_u_ptr; |
2b13e716 | 746 | unsigned int header_size, hdr_inc, hdr_num = 0; |
95646108 | 747 | void *p; |
e29d1b70 JA |
748 | int ret; |
749 | ||
1dcc0498 | 750 | if (td->o.verify == VERIFY_NULL || io_u->ddir != DDIR_READ) |
36690c9b | 751 | return 0; |
5c57c084 JA |
752 | /* |
753 | * If the IO engine is faking IO (like null), then just pretend | |
754 | * we verified everything. | |
755 | */ | |
756 | if (td->io_ops->flags & FIO_FAKEIO) | |
757 | return 0; | |
758 | ||
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 | ||
59245381 JA |
791 | if (td->o.verify != VERIFY_PATTERN_NO_HDR) { |
792 | ret = verify_header(io_u, hdr, hdr_num, hdr_inc); | |
793 | if (ret) | |
794 | return ret; | |
795 | } | |
3f199b01 | 796 | |
f00b210f JA |
797 | if (td->o.verify != VERIFY_NONE) |
798 | verify_type = td->o.verify; | |
799 | else | |
800 | verify_type = hdr->verify_type; | |
801 | ||
802 | switch (verify_type) { | |
3f9f4e26 | 803 | case VERIFY_MD5: |
936216f8 | 804 | ret = verify_io_u_md5(hdr, &vc); |
3f9f4e26 SL |
805 | break; |
806 | case VERIFY_CRC64: | |
936216f8 | 807 | ret = verify_io_u_crc64(hdr, &vc); |
3f9f4e26 | 808 | break; |
bac39e0e | 809 | case VERIFY_CRC32C: |
3845591f | 810 | case VERIFY_CRC32C_INTEL: |
936216f8 | 811 | ret = verify_io_u_crc32c(hdr, &vc); |
bac39e0e | 812 | break; |
3f9f4e26 | 813 | case VERIFY_CRC32: |
936216f8 | 814 | ret = verify_io_u_crc32(hdr, &vc); |
3f9f4e26 SL |
815 | break; |
816 | case VERIFY_CRC16: | |
936216f8 | 817 | ret = verify_io_u_crc16(hdr, &vc); |
3f9f4e26 SL |
818 | break; |
819 | case VERIFY_CRC7: | |
936216f8 | 820 | ret = verify_io_u_crc7(hdr, &vc); |
3f9f4e26 | 821 | break; |
cd14cc10 | 822 | case VERIFY_SHA256: |
936216f8 | 823 | ret = verify_io_u_sha256(hdr, &vc); |
cd14cc10 JA |
824 | break; |
825 | case VERIFY_SHA512: | |
936216f8 | 826 | ret = verify_io_u_sha512(hdr, &vc); |
cd14cc10 | 827 | break; |
844ea602 JA |
828 | case VERIFY_XXHASH: |
829 | ret = verify_io_u_xxhash(hdr, &vc); | |
830 | break; | |
7437ee87 | 831 | case VERIFY_META: |
92bf48d5 | 832 | ret = verify_io_u_meta(hdr, &vc); |
7437ee87 | 833 | break; |
7c353ceb | 834 | case VERIFY_SHA1: |
936216f8 | 835 | ret = verify_io_u_sha1(hdr, &vc); |
7c353ceb | 836 | break; |
92bf48d5 | 837 | case VERIFY_PATTERN: |
59245381 | 838 | case VERIFY_PATTERN_NO_HDR: |
92bf48d5 JA |
839 | ret = verify_io_u_pattern(hdr, &vc); |
840 | break; | |
3f9f4e26 SL |
841 | default: |
842 | log_err("Bad verify type %u\n", hdr->verify_type); | |
d16d4e09 | 843 | ret = EINVAL; |
3f9f4e26 | 844 | } |
f00b210f JA |
845 | |
846 | if (ret && verify_type != hdr->verify_type) | |
847 | log_err("fio: verify type mismatch (%u media, %u given)\n", | |
848 | hdr->verify_type, verify_type); | |
3f9f4e26 | 849 | } |
a7dfe862 | 850 | |
0d29de83 | 851 | done: |
f3e6cb95 | 852 | if (ret && td->o.verify_fatal) |
ebea2133 | 853 | fio_mark_td_terminate(td); |
f3e6cb95 | 854 | |
a12a3b4d | 855 | return ret; |
e29d1b70 JA |
856 | } |
857 | ||
7437ee87 | 858 | static void fill_meta(struct verify_header *hdr, struct thread_data *td, |
5ec10eaa | 859 | struct io_u *io_u, unsigned int header_num) |
7437ee87 SL |
860 | { |
861 | struct vhdr_meta *vh = hdr_priv(hdr); | |
862 | ||
863 | vh->thread = td->thread_number; | |
864 | ||
865 | vh->time_sec = io_u->start_time.tv_sec; | |
866 | vh->time_usec = io_u->start_time.tv_usec; | |
867 | ||
da0a7bd2 | 868 | vh->numberio = io_u->numberio; |
7437ee87 SL |
869 | |
870 | vh->offset = io_u->offset + header_num * td->o.verify_interval; | |
871 | } | |
872 | ||
844ea602 JA |
873 | static void fill_xxhash(struct verify_header *hdr, void *p, unsigned int len) |
874 | { | |
875 | struct vhdr_xxhash *vh = hdr_priv(hdr); | |
876 | void *state; | |
877 | ||
878 | state = XXH32_init(1); | |
879 | XXH32_update(state, p, len); | |
880 | vh->hash = XXH32_digest(state); | |
881 | } | |
882 | ||
cd14cc10 JA |
883 | static void fill_sha512(struct verify_header *hdr, void *p, unsigned int len) |
884 | { | |
546dfd9f | 885 | struct vhdr_sha512 *vh = hdr_priv(hdr); |
25dfa848 | 886 | struct fio_sha512_ctx sha512_ctx = { |
546dfd9f | 887 | .buf = vh->sha512, |
cd14cc10 JA |
888 | }; |
889 | ||
25dfa848 JA |
890 | fio_sha512_init(&sha512_ctx); |
891 | fio_sha512_update(&sha512_ctx, p, len); | |
cd14cc10 JA |
892 | } |
893 | ||
894 | static void fill_sha256(struct verify_header *hdr, void *p, unsigned int len) | |
895 | { | |
546dfd9f | 896 | struct vhdr_sha256 *vh = hdr_priv(hdr); |
25dfa848 | 897 | struct fio_sha256_ctx sha256_ctx = { |
546dfd9f | 898 | .buf = vh->sha256, |
cd14cc10 JA |
899 | }; |
900 | ||
25dfa848 JA |
901 | fio_sha256_init(&sha256_ctx); |
902 | fio_sha256_update(&sha256_ctx, p, len); | |
017052b6 | 903 | fio_sha256_final(&sha256_ctx); |
cd14cc10 JA |
904 | } |
905 | ||
7c353ceb JA |
906 | static void fill_sha1(struct verify_header *hdr, void *p, unsigned int len) |
907 | { | |
908 | struct vhdr_sha1 *vh = hdr_priv(hdr); | |
25dfa848 | 909 | struct fio_sha1_ctx sha1_ctx = { |
7c353ceb JA |
910 | .H = vh->sha1, |
911 | }; | |
912 | ||
25dfa848 JA |
913 | fio_sha1_init(&sha1_ctx); |
914 | fio_sha1_update(&sha1_ctx, p, len); | |
017052b6 | 915 | fio_sha1_final(&sha1_ctx); |
7c353ceb JA |
916 | } |
917 | ||
1e154bdb JA |
918 | static void fill_crc7(struct verify_header *hdr, void *p, unsigned int len) |
919 | { | |
546dfd9f JA |
920 | struct vhdr_crc7 *vh = hdr_priv(hdr); |
921 | ||
25dfa848 | 922 | vh->crc7 = fio_crc7(p, len); |
1e154bdb JA |
923 | } |
924 | ||
969f7ed3 JA |
925 | static void fill_crc16(struct verify_header *hdr, void *p, unsigned int len) |
926 | { | |
546dfd9f JA |
927 | struct vhdr_crc16 *vh = hdr_priv(hdr); |
928 | ||
25dfa848 | 929 | vh->crc16 = fio_crc16(p, len); |
969f7ed3 JA |
930 | } |
931 | ||
e29d1b70 JA |
932 | static void fill_crc32(struct verify_header *hdr, void *p, unsigned int len) |
933 | { | |
546dfd9f JA |
934 | struct vhdr_crc32 *vh = hdr_priv(hdr); |
935 | ||
25dfa848 | 936 | vh->crc32 = fio_crc32(p, len); |
e29d1b70 JA |
937 | } |
938 | ||
bac39e0e JA |
939 | static void fill_crc32c(struct verify_header *hdr, void *p, unsigned int len) |
940 | { | |
941 | struct vhdr_crc32 *vh = hdr_priv(hdr); | |
942 | ||
25dfa848 | 943 | vh->crc32 = fio_crc32c(p, len); |
bac39e0e JA |
944 | } |
945 | ||
d77a7af3 JA |
946 | static void fill_crc64(struct verify_header *hdr, void *p, unsigned int len) |
947 | { | |
546dfd9f JA |
948 | struct vhdr_crc64 *vh = hdr_priv(hdr); |
949 | ||
25dfa848 | 950 | vh->crc64 = fio_crc64(p, len); |
d77a7af3 JA |
951 | } |
952 | ||
e29d1b70 JA |
953 | static void fill_md5(struct verify_header *hdr, void *p, unsigned int len) |
954 | { | |
546dfd9f | 955 | struct vhdr_md5 *vh = hdr_priv(hdr); |
25dfa848 | 956 | struct fio_md5_ctx md5_ctx = { |
546dfd9f | 957 | .hash = (uint32_t *) vh->md5_digest, |
8c432325 | 958 | }; |
e29d1b70 | 959 | |
25dfa848 JA |
960 | fio_md5_init(&md5_ctx); |
961 | fio_md5_update(&md5_ctx, p, len); | |
017052b6 | 962 | fio_md5_final(&md5_ctx); |
e29d1b70 JA |
963 | } |
964 | ||
7d9fb455 JA |
965 | static void populate_hdr(struct thread_data *td, struct io_u *io_u, |
966 | struct verify_header *hdr, unsigned int header_num, | |
967 | unsigned int header_len) | |
968 | { | |
969 | unsigned int data_len; | |
970 | void *data, *p; | |
971 | ||
59245381 JA |
972 | if (td->o.verify == VERIFY_PATTERN_NO_HDR) |
973 | return; | |
974 | ||
7d9fb455 JA |
975 | p = (void *) hdr; |
976 | ||
d3a173a9 | 977 | hdr->magic = FIO_HDR_MAGIC; |
7d9fb455 | 978 | hdr->verify_type = td->o.verify; |
d3a173a9 | 979 | hdr->len = header_len; |
7d9fb455 | 980 | hdr->rand_seed = io_u->rand_seed; |
25dfa848 | 981 | hdr->crc32 = fio_crc32c(p, offsetof(struct verify_header, crc32)); |
f65d1c26 | 982 | |
7d9fb455 JA |
983 | data_len = header_len - hdr_size(hdr); |
984 | ||
985 | data = p + hdr_size(hdr); | |
986 | switch (td->o.verify) { | |
987 | case VERIFY_MD5: | |
988 | dprint(FD_VERIFY, "fill md5 io_u %p, len %u\n", | |
989 | io_u, hdr->len); | |
990 | fill_md5(hdr, data, data_len); | |
991 | break; | |
992 | case VERIFY_CRC64: | |
993 | dprint(FD_VERIFY, "fill crc64 io_u %p, len %u\n", | |
994 | io_u, hdr->len); | |
995 | fill_crc64(hdr, data, data_len); | |
996 | break; | |
997 | case VERIFY_CRC32C: | |
998 | case VERIFY_CRC32C_INTEL: | |
999 | dprint(FD_VERIFY, "fill crc32c io_u %p, len %u\n", | |
1000 | io_u, hdr->len); | |
1001 | fill_crc32c(hdr, data, data_len); | |
1002 | break; | |
1003 | case VERIFY_CRC32: | |
1004 | dprint(FD_VERIFY, "fill crc32 io_u %p, len %u\n", | |
1005 | io_u, hdr->len); | |
1006 | fill_crc32(hdr, data, data_len); | |
1007 | break; | |
1008 | case VERIFY_CRC16: | |
1009 | dprint(FD_VERIFY, "fill crc16 io_u %p, len %u\n", | |
1010 | io_u, hdr->len); | |
1011 | fill_crc16(hdr, data, data_len); | |
1012 | break; | |
1013 | case VERIFY_CRC7: | |
1014 | dprint(FD_VERIFY, "fill crc7 io_u %p, len %u\n", | |
1015 | io_u, hdr->len); | |
1016 | fill_crc7(hdr, data, data_len); | |
1017 | break; | |
1018 | case VERIFY_SHA256: | |
1019 | dprint(FD_VERIFY, "fill sha256 io_u %p, len %u\n", | |
1020 | io_u, hdr->len); | |
1021 | fill_sha256(hdr, data, data_len); | |
1022 | break; | |
1023 | case VERIFY_SHA512: | |
1024 | dprint(FD_VERIFY, "fill sha512 io_u %p, len %u\n", | |
1025 | io_u, hdr->len); | |
1026 | fill_sha512(hdr, data, data_len); | |
1027 | break; | |
844ea602 JA |
1028 | case VERIFY_XXHASH: |
1029 | dprint(FD_VERIFY, "fill xxhash io_u %p, len %u\n", | |
1030 | io_u, hdr->len); | |
1031 | fill_xxhash(hdr, data, data_len); | |
1032 | break; | |
7d9fb455 JA |
1033 | case VERIFY_META: |
1034 | dprint(FD_VERIFY, "fill meta io_u %p, len %u\n", | |
1035 | io_u, hdr->len); | |
1036 | fill_meta(hdr, td, io_u, header_num); | |
1037 | break; | |
1038 | case VERIFY_SHA1: | |
1039 | dprint(FD_VERIFY, "fill sha1 io_u %p, len %u\n", | |
1040 | io_u, hdr->len); | |
1041 | fill_sha1(hdr, data, data_len); | |
1042 | break; | |
92bf48d5 JA |
1043 | case VERIFY_PATTERN: |
1044 | /* nothing to do here */ | |
1045 | break; | |
7d9fb455 JA |
1046 | default: |
1047 | log_err("fio: bad verify type: %d\n", td->o.verify); | |
1048 | assert(0); | |
1049 | } | |
1050 | if (td->o.verify_offset) | |
1051 | memswp(p, p + td->o.verify_offset, hdr_size(hdr)); | |
1052 | } | |
1053 | ||
e29d1b70 JA |
1054 | /* |
1055 | * fill body of io_u->buf with random data and add a header with the | |
c50ca7bd | 1056 | * checksum of choice |
e29d1b70 JA |
1057 | */ |
1058 | void populate_verify_io_u(struct thread_data *td, struct io_u *io_u) | |
1059 | { | |
9cc3d150 JA |
1060 | if (td->o.verify == VERIFY_NULL) |
1061 | return; | |
1062 | ||
da0a7bd2 JC |
1063 | io_u->numberio = td->io_issues[io_u->ddir]; |
1064 | ||
c50ca7bd | 1065 | fill_pattern_headers(td, io_u, 0, 0); |
e29d1b70 JA |
1066 | } |
1067 | ||
1068 | int get_next_verify(struct thread_data *td, struct io_u *io_u) | |
1069 | { | |
8de8f047 | 1070 | struct io_piece *ipo = NULL; |
e29d1b70 | 1071 | |
d2d7fa53 JA |
1072 | /* |
1073 | * this io_u is from a requeue, we already filled the offsets | |
1074 | */ | |
1075 | if (io_u->file) | |
1076 | return 0; | |
1077 | ||
8de8f047 JA |
1078 | if (!RB_EMPTY_ROOT(&td->io_hist_tree)) { |
1079 | struct rb_node *n = rb_first(&td->io_hist_tree); | |
e29d1b70 | 1080 | |
8de8f047 | 1081 | ipo = rb_entry(n, struct io_piece, rb_node); |
f9401285 JA |
1082 | |
1083 | /* | |
1084 | * Ensure that the associated IO has completed | |
1085 | */ | |
1086 | read_barrier(); | |
1087 | if (ipo->flags & IP_F_IN_FLIGHT) | |
1088 | goto nothing; | |
1089 | ||
4b87898e | 1090 | rb_erase(n, &td->io_hist_tree); |
a917a8b3 JA |
1091 | assert(ipo->flags & IP_F_ONRB); |
1092 | ipo->flags &= ~IP_F_ONRB; | |
01743ee1 | 1093 | } else if (!flist_empty(&td->io_hist_list)) { |
9342d5f8 | 1094 | ipo = flist_first_entry(&td->io_hist_list, struct io_piece, list); |
f9401285 JA |
1095 | |
1096 | /* | |
1097 | * Ensure that the associated IO has completed | |
1098 | */ | |
1099 | read_barrier(); | |
1100 | if (ipo->flags & IP_F_IN_FLIGHT) | |
1101 | goto nothing; | |
1102 | ||
01743ee1 | 1103 | flist_del(&ipo->list); |
a917a8b3 JA |
1104 | assert(ipo->flags & IP_F_ONLIST); |
1105 | ipo->flags &= ~IP_F_ONLIST; | |
8de8f047 | 1106 | } |
e29d1b70 | 1107 | |
8de8f047 | 1108 | if (ipo) { |
0d29de83 JA |
1109 | td->io_hist_len--; |
1110 | ||
e29d1b70 JA |
1111 | io_u->offset = ipo->offset; |
1112 | io_u->buflen = ipo->len; | |
da0a7bd2 | 1113 | io_u->numberio = ipo->numberio; |
36167d82 | 1114 | io_u->file = ipo->file; |
a9da8ab2 | 1115 | io_u_set(io_u, IO_U_F_VER_LIST); |
97af62ce | 1116 | |
0d29de83 | 1117 | if (ipo->flags & IP_F_TRIMMED) |
a9da8ab2 | 1118 | io_u_set(io_u, IO_U_F_TRIMMED); |
0d29de83 | 1119 | |
d6aed795 | 1120 | if (!fio_file_open(io_u->file)) { |
97af62ce JA |
1121 | int r = td_io_open_file(td, io_u->file); |
1122 | ||
bd6f78b2 JA |
1123 | if (r) { |
1124 | dprint(FD_VERIFY, "failed file %s open\n", | |
1125 | io_u->file->file_name); | |
97af62ce | 1126 | return 1; |
bd6f78b2 | 1127 | } |
97af62ce JA |
1128 | } |
1129 | ||
1130 | get_file(ipo->file); | |
d6aed795 | 1131 | assert(fio_file_open(io_u->file)); |
e29d1b70 | 1132 | io_u->ddir = DDIR_READ; |
36167d82 JA |
1133 | io_u->xfer_buf = io_u->buf; |
1134 | io_u->xfer_buflen = io_u->buflen; | |
0d29de83 JA |
1135 | |
1136 | remove_trim_entry(td, ipo); | |
e29d1b70 | 1137 | free(ipo); |
bd6f78b2 | 1138 | dprint(FD_VERIFY, "get_next_verify: ret io_u %p\n", io_u); |
c4b6117b PV |
1139 | |
1140 | if (!td->o.verify_pattern_bytes) { | |
d6b72507 | 1141 | io_u->rand_seed = __rand(&td->verify_state); |
c4b6117b | 1142 | if (sizeof(int) != sizeof(long *)) |
d6b72507 | 1143 | io_u->rand_seed *= __rand(&td->verify_state); |
c4b6117b | 1144 | } |
e29d1b70 JA |
1145 | return 0; |
1146 | } | |
1147 | ||
f9401285 | 1148 | nothing: |
bd6f78b2 | 1149 | dprint(FD_VERIFY, "get_next_verify: empty\n"); |
e29d1b70 JA |
1150 | return 1; |
1151 | } | |
e8462bd8 | 1152 | |
dc5bfbb2 JA |
1153 | void fio_verify_init(struct thread_data *td) |
1154 | { | |
1155 | if (td->o.verify == VERIFY_CRC32C_INTEL || | |
1156 | td->o.verify == VERIFY_CRC32C) { | |
1157 | crc32c_intel_probe(); | |
1158 | } | |
1159 | } | |
1160 | ||
e8462bd8 JA |
1161 | static void *verify_async_thread(void *data) |
1162 | { | |
1163 | struct thread_data *td = data; | |
1164 | struct io_u *io_u; | |
1165 | int ret = 0; | |
1166 | ||
b2a9e649 | 1167 | if (fio_option_is_set(&td->o, verify_cpumask) && |
e8462bd8 JA |
1168 | fio_setaffinity(td->pid, td->o.verify_cpumask)) { |
1169 | log_err("fio: failed setting verify thread affinity\n"); | |
1170 | goto done; | |
1171 | } | |
1172 | ||
1173 | do { | |
e53ab27c JA |
1174 | FLIST_HEAD(list); |
1175 | ||
e8462bd8 JA |
1176 | read_barrier(); |
1177 | if (td->verify_thread_exit) | |
1178 | break; | |
1179 | ||
1180 | pthread_mutex_lock(&td->io_u_lock); | |
1181 | ||
1182 | while (flist_empty(&td->verify_list) && | |
1183 | !td->verify_thread_exit) { | |
b36e298b JA |
1184 | ret = pthread_cond_wait(&td->verify_cond, |
1185 | &td->io_u_lock); | |
e8462bd8 JA |
1186 | if (ret) { |
1187 | pthread_mutex_unlock(&td->io_u_lock); | |
1188 | break; | |
1189 | } | |
1190 | } | |
1191 | ||
e53ab27c JA |
1192 | flist_splice_init(&td->verify_list, &list); |
1193 | pthread_mutex_unlock(&td->io_u_lock); | |
1194 | ||
1195 | if (flist_empty(&list)) | |
e8462bd8 | 1196 | continue; |
e8462bd8 | 1197 | |
e53ab27c | 1198 | while (!flist_empty(&list)) { |
9342d5f8 | 1199 | io_u = flist_first_entry(&list, struct io_u, verify_list); |
f8b0bd10 JA |
1200 | flist_del_init(&io_u->verify_list); |
1201 | ||
a9da8ab2 | 1202 | io_u_set(io_u, IO_U_F_NO_FILE_PUT); |
f8b0bd10 | 1203 | ret = verify_io_u(td, &io_u); |
e8462bd8 | 1204 | |
e53ab27c | 1205 | put_io_u(td, io_u); |
d561f2ab JA |
1206 | if (!ret) |
1207 | continue; | |
8b28bd41 | 1208 | if (td_non_fatal_error(td, ERROR_TYPE_VERIFY_BIT, ret)) { |
d561f2ab JA |
1209 | update_error_count(td, ret); |
1210 | td_clear_error(td); | |
1211 | ret = 0; | |
1212 | } | |
e53ab27c | 1213 | } |
e8462bd8 JA |
1214 | } while (!ret); |
1215 | ||
d561f2ab JA |
1216 | if (ret) { |
1217 | td_verror(td, ret, "async_verify"); | |
f3e6cb95 | 1218 | if (td->o.verify_fatal) |
ebea2133 | 1219 | fio_mark_td_terminate(td); |
d561f2ab JA |
1220 | } |
1221 | ||
e8462bd8 JA |
1222 | done: |
1223 | pthread_mutex_lock(&td->io_u_lock); | |
1224 | td->nr_verify_threads--; | |
1225 | pthread_mutex_unlock(&td->io_u_lock); | |
1226 | ||
1227 | pthread_cond_signal(&td->free_cond); | |
1228 | return NULL; | |
1229 | } | |
1230 | ||
1231 | int verify_async_init(struct thread_data *td) | |
1232 | { | |
1233 | int i, ret; | |
304a47c7 VA |
1234 | pthread_attr_t attr; |
1235 | ||
1236 | pthread_attr_init(&attr); | |
1237 | pthread_attr_setstacksize(&attr, PTHREAD_STACK_MIN); | |
e8462bd8 JA |
1238 | |
1239 | td->verify_thread_exit = 0; | |
1240 | ||
1241 | td->verify_threads = malloc(sizeof(pthread_t) * td->o.verify_async); | |
1242 | for (i = 0; i < td->o.verify_async; i++) { | |
304a47c7 | 1243 | ret = pthread_create(&td->verify_threads[i], &attr, |
e8462bd8 JA |
1244 | verify_async_thread, td); |
1245 | if (ret) { | |
1246 | log_err("fio: async verify creation failed: %s\n", | |
1247 | strerror(ret)); | |
1248 | break; | |
1249 | } | |
1250 | ret = pthread_detach(td->verify_threads[i]); | |
1251 | if (ret) { | |
1252 | log_err("fio: async verify thread detach failed: %s\n", | |
1253 | strerror(ret)); | |
1254 | break; | |
1255 | } | |
1256 | td->nr_verify_threads++; | |
1257 | } | |
1258 | ||
304a47c7 VA |
1259 | pthread_attr_destroy(&attr); |
1260 | ||
e8462bd8 | 1261 | if (i != td->o.verify_async) { |
e40823b1 | 1262 | log_err("fio: only %d verify threads started, exiting\n", i); |
e8462bd8 JA |
1263 | td->verify_thread_exit = 1; |
1264 | write_barrier(); | |
1265 | pthread_cond_broadcast(&td->verify_cond); | |
1266 | return 1; | |
1267 | } | |
1268 | ||
1269 | return 0; | |
1270 | } | |
1271 | ||
1272 | void verify_async_exit(struct thread_data *td) | |
1273 | { | |
1274 | td->verify_thread_exit = 1; | |
1275 | write_barrier(); | |
1276 | pthread_cond_broadcast(&td->verify_cond); | |
1277 | ||
1278 | pthread_mutex_lock(&td->io_u_lock); | |
1279 | ||
1280 | while (td->nr_verify_threads) | |
1281 | pthread_cond_wait(&td->free_cond, &td->io_u_lock); | |
1282 | ||
1283 | pthread_mutex_unlock(&td->io_u_lock); | |
1284 | free(td->verify_threads); | |
1285 | td->verify_threads = NULL; | |
1286 | } | |
ca09be4b JA |
1287 | |
1288 | struct all_io_list *get_all_io_list(int save_mask, size_t *sz) | |
1289 | { | |
1290 | struct all_io_list *rep; | |
1291 | struct thread_data *td; | |
1292 | size_t depth; | |
1293 | void *next; | |
1294 | int i, nr; | |
1295 | ||
1296 | compiletime_assert(sizeof(struct all_io_list) == 8, "all_io_list"); | |
1297 | ||
1298 | /* | |
1299 | * Calculate reply space needed. We need one 'io_state' per thread, | |
1300 | * and the size will vary depending on depth. | |
1301 | */ | |
1302 | depth = 0; | |
1303 | nr = 0; | |
1304 | for_each_td(td, i) { | |
1305 | if (save_mask != IO_LIST_ALL && (i + 1) != save_mask) | |
1306 | continue; | |
1307 | td->stop_io = 1; | |
1308 | td->flags |= TD_F_VSTATE_SAVED; | |
1309 | depth += td->o.iodepth; | |
1310 | nr++; | |
1311 | } | |
1312 | ||
1313 | if (!nr) | |
1314 | return NULL; | |
1315 | ||
1316 | *sz = sizeof(*rep); | |
1317 | *sz += nr * sizeof(struct thread_io_list); | |
1318 | *sz += depth * sizeof(uint64_t); | |
1319 | rep = malloc(*sz); | |
1320 | ||
1321 | rep->threads = cpu_to_le64((uint64_t) nr); | |
1322 | ||
1323 | next = &rep->state[0]; | |
1324 | for_each_td(td, i) { | |
1325 | struct thread_io_list *s = next; | |
1326 | unsigned int comps; | |
1327 | ||
1328 | if (save_mask != IO_LIST_ALL && (i + 1) != save_mask) | |
1329 | continue; | |
1330 | ||
1331 | if (td->last_write_comp) { | |
1332 | int j, k; | |
1333 | ||
1334 | if (td->io_blocks[DDIR_WRITE] < td->o.iodepth) | |
1335 | comps = td->io_blocks[DDIR_WRITE]; | |
1336 | else | |
1337 | comps = td->o.iodepth; | |
1338 | ||
1339 | k = td->last_write_idx - 1; | |
1340 | for (j = 0; j < comps; j++) { | |
1341 | if (k == -1) | |
1342 | k = td->o.iodepth - 1; | |
1343 | s->offsets[j] = cpu_to_le64(td->last_write_comp[k]); | |
1344 | k--; | |
1345 | } | |
1346 | } else | |
1347 | comps = 0; | |
1348 | ||
1349 | s->no_comps = cpu_to_le64((uint64_t) comps); | |
1350 | s->depth = cpu_to_le64((uint64_t) td->o.iodepth); | |
1351 | s->numberio = cpu_to_le64((uint64_t) td->io_issues[DDIR_WRITE]); | |
1352 | s->index = cpu_to_le64((uint64_t) i); | |
c3546b53 JA |
1353 | if (td->random_state.use64) { |
1354 | s->rand.state64.s[0] = cpu_to_le64(td->random_state.state64.s1); | |
1355 | s->rand.state64.s[1] = cpu_to_le64(td->random_state.state64.s2); | |
1356 | s->rand.state64.s[2] = cpu_to_le64(td->random_state.state64.s3); | |
1357 | s->rand.state64.s[3] = cpu_to_le64(td->random_state.state64.s4); | |
1358 | s->rand.state64.s[4] = cpu_to_le64(td->random_state.state64.s5); | |
1359 | s->rand.state64.s[5] = 0; | |
1360 | s->rand.use64 = cpu_to_le64((uint64_t)1); | |
1361 | } else { | |
1362 | s->rand.state32.s[0] = cpu_to_le32(td->random_state.state32.s1); | |
1363 | s->rand.state32.s[1] = cpu_to_le32(td->random_state.state32.s2); | |
1364 | s->rand.state32.s[2] = cpu_to_le32(td->random_state.state32.s3); | |
1365 | s->rand.state32.s[3] = 0; | |
1366 | s->rand.use64 = 0; | |
1367 | } | |
1dc06a8f JA |
1368 | s->name[sizeof(s->name) - 1] = '\0'; |
1369 | strncpy((char *) s->name, td->o.name, sizeof(s->name) - 1); | |
ca09be4b JA |
1370 | next = io_list_next(s); |
1371 | } | |
1372 | ||
1373 | return rep; | |
1374 | } | |
1375 | ||
1376 | static int open_state_file(const char *name, const char *prefix, int num, | |
1377 | int for_write) | |
1378 | { | |
1379 | char out[64]; | |
1380 | int flags; | |
1381 | int fd; | |
1382 | ||
1383 | if (for_write) | |
1384 | flags = O_CREAT | O_TRUNC | O_WRONLY | O_SYNC; | |
1385 | else | |
1386 | flags = O_RDONLY; | |
1387 | ||
e499aedc | 1388 | verify_state_gen_name(out, sizeof(out), name, prefix, num); |
ca09be4b JA |
1389 | |
1390 | fd = open(out, flags, 0644); | |
1391 | if (fd == -1) { | |
1392 | perror("fio: open state file"); | |
1393 | return -1; | |
1394 | } | |
1395 | ||
1396 | return fd; | |
1397 | } | |
1398 | ||
1399 | static int write_thread_list_state(struct thread_io_list *s, | |
1400 | const char *prefix) | |
1401 | { | |
1402 | struct verify_state_hdr hdr; | |
1403 | uint64_t crc; | |
1404 | ssize_t ret; | |
1405 | int fd; | |
1406 | ||
1407 | fd = open_state_file((const char *) s->name, prefix, s->index, 1); | |
1408 | if (fd == -1) | |
1409 | return 1; | |
1410 | ||
1411 | crc = fio_crc32c((void *)s, thread_io_list_sz(s)); | |
1412 | ||
1413 | hdr.version = cpu_to_le64((uint64_t) VSTATE_HDR_VERSION); | |
1414 | hdr.size = cpu_to_le64((uint64_t) thread_io_list_sz(s)); | |
1415 | hdr.crc = cpu_to_le64(crc); | |
1416 | ret = write(fd, &hdr, sizeof(hdr)); | |
1417 | if (ret != sizeof(hdr)) | |
1418 | goto write_fail; | |
1419 | ||
1420 | ret = write(fd, s, thread_io_list_sz(s)); | |
1421 | if (ret != thread_io_list_sz(s)) { | |
1422 | write_fail: | |
1423 | if (ret < 0) | |
1424 | perror("fio: write state file"); | |
1425 | log_err("fio: failed to write state file\n"); | |
1426 | ret = 1; | |
1427 | } else | |
1428 | ret = 0; | |
1429 | ||
1430 | close(fd); | |
1431 | return ret; | |
1432 | } | |
1433 | ||
1434 | void __verify_save_state(struct all_io_list *state, const char *prefix) | |
1435 | { | |
1436 | struct thread_io_list *s = &state->state[0]; | |
1437 | unsigned int i; | |
1438 | ||
1439 | for (i = 0; i < le64_to_cpu(state->threads); i++) { | |
1440 | write_thread_list_state(s, prefix); | |
1441 | s = io_list_next(s); | |
1442 | } | |
1443 | } | |
1444 | ||
1445 | void verify_save_state(void) | |
1446 | { | |
1447 | struct all_io_list *state; | |
1448 | size_t sz; | |
1449 | ||
1450 | state = get_all_io_list(IO_LIST_ALL, &sz); | |
1451 | if (state) { | |
1452 | __verify_save_state(state, "local"); | |
1453 | free(state); | |
1454 | } | |
1455 | } | |
1456 | ||
1457 | void verify_free_state(struct thread_data *td) | |
1458 | { | |
1459 | if (td->vstate) | |
1460 | free(td->vstate); | |
1461 | } | |
1462 | ||
c3546b53 | 1463 | static struct thread_io_list *convert_v1_list(struct thread_io_list_v1 *s) |
ca09be4b | 1464 | { |
c3546b53 | 1465 | struct thread_io_list *til; |
ca09be4b JA |
1466 | int i; |
1467 | ||
c3546b53 JA |
1468 | til = malloc(__thread_io_list_sz(s->no_comps)); |
1469 | til->no_comps = s->no_comps; | |
1470 | til->depth = s->depth; | |
1471 | til->numberio = s->numberio; | |
1472 | til->index = s->index; | |
1473 | memcpy(til->name, s->name, sizeof(til->name)); | |
1474 | ||
1475 | til->rand.use64 = 0; | |
ca09be4b | 1476 | for (i = 0; i < 4; i++) |
c3546b53 JA |
1477 | til->rand.state32.s[i] = s->rand.s[i]; |
1478 | ||
ca09be4b | 1479 | for (i = 0; i < s->no_comps; i++) |
c3546b53 JA |
1480 | til->offsets[i] = s->offsets[i]; |
1481 | ||
1482 | return til; | |
1483 | } | |
1484 | ||
1485 | void verify_convert_assign_state(struct thread_data *td, void *p, int version) | |
1486 | { | |
1487 | struct thread_io_list *til; | |
1488 | int i; | |
1489 | ||
1490 | if (version == 1) { | |
1491 | struct thread_io_list_v1 *s = p; | |
1492 | ||
1493 | s->no_comps = le64_to_cpu(s->no_comps); | |
1494 | s->depth = le64_to_cpu(s->depth); | |
1495 | s->numberio = le64_to_cpu(s->numberio); | |
1496 | for (i = 0; i < 4; i++) | |
1497 | s->rand.s[i] = le32_to_cpu(s->rand.s[i]); | |
1498 | for (i = 0; i < s->no_comps; i++) | |
1499 | s->offsets[i] = le64_to_cpu(s->offsets[i]); | |
1500 | ||
1501 | til = convert_v1_list(s); | |
1502 | free(s); | |
1503 | } else { | |
1504 | struct thread_io_list *s = p; | |
1505 | ||
1506 | s->no_comps = le64_to_cpu(s->no_comps); | |
1507 | s->depth = le64_to_cpu(s->depth); | |
1508 | s->numberio = le64_to_cpu(s->numberio); | |
1509 | s->rand.use64 = le64_to_cpu(s->rand.use64); | |
1510 | ||
1511 | if (s->rand.use64) { | |
1512 | for (i = 0; i < 6; i++) | |
1513 | s->rand.state64.s[i] = le64_to_cpu(s->rand.state64.s[i]); | |
1514 | } else { | |
1515 | for (i = 0; i < 4; i++) | |
1516 | s->rand.state32.s[i] = le32_to_cpu(s->rand.state32.s[i]); | |
1517 | } | |
1518 | for (i = 0; i < s->no_comps; i++) | |
1519 | s->offsets[i] = le64_to_cpu(s->offsets[i]); | |
1520 | ||
1521 | til = p; | |
1522 | } | |
ca09be4b | 1523 | |
c3546b53 | 1524 | td->vstate = til; |
ca09be4b JA |
1525 | } |
1526 | ||
c3546b53 JA |
1527 | int verify_state_hdr(struct verify_state_hdr *hdr, struct thread_io_list *s, |
1528 | int *version) | |
ca09be4b JA |
1529 | { |
1530 | uint64_t crc; | |
1531 | ||
1532 | hdr->version = le64_to_cpu(hdr->version); | |
1533 | hdr->size = le64_to_cpu(hdr->size); | |
1534 | hdr->crc = le64_to_cpu(hdr->crc); | |
1535 | ||
c3546b53 JA |
1536 | if (hdr->version != VSTATE_HDR_VERSION || |
1537 | hdr->version != VSTATE_HDR_VERSION_V1) | |
ca09be4b JA |
1538 | return 1; |
1539 | ||
1540 | crc = fio_crc32c((void *)s, hdr->size); | |
1541 | if (crc != hdr->crc) | |
1542 | return 1; | |
1543 | ||
c3546b53 | 1544 | *version = hdr->version; |
ca09be4b JA |
1545 | return 0; |
1546 | } | |
1547 | ||
1548 | int verify_load_state(struct thread_data *td, const char *prefix) | |
1549 | { | |
ca09be4b | 1550 | struct verify_state_hdr hdr; |
c3546b53 | 1551 | void *s = NULL; |
ca09be4b JA |
1552 | uint64_t crc; |
1553 | ssize_t ret; | |
1554 | int fd; | |
1555 | ||
1556 | if (!td->o.verify_state) | |
1557 | return 0; | |
1558 | ||
1559 | fd = open_state_file(td->o.name, prefix, td->thread_number - 1, 0); | |
1560 | if (fd == -1) | |
1561 | return 1; | |
1562 | ||
1563 | ret = read(fd, &hdr, sizeof(hdr)); | |
1564 | if (ret != sizeof(hdr)) { | |
1565 | if (ret < 0) | |
1566 | td_verror(td, errno, "read verify state hdr"); | |
1567 | log_err("fio: failed reading verify state header\n"); | |
1568 | goto err; | |
1569 | } | |
1570 | ||
1571 | hdr.version = le64_to_cpu(hdr.version); | |
1572 | hdr.size = le64_to_cpu(hdr.size); | |
1573 | hdr.crc = le64_to_cpu(hdr.crc); | |
1574 | ||
c3546b53 JA |
1575 | if (hdr.version != VSTATE_HDR_VERSION && |
1576 | hdr.version != VSTATE_HDR_VERSION_V1) { | |
ca09be4b JA |
1577 | log_err("fio: bad version in verify state header\n"); |
1578 | goto err; | |
1579 | } | |
1580 | ||
1581 | s = malloc(hdr.size); | |
1582 | ret = read(fd, s, hdr.size); | |
1583 | if (ret != hdr.size) { | |
1584 | if (ret < 0) | |
1585 | td_verror(td, errno, "read verify state"); | |
1586 | log_err("fio: failed reading verity state\n"); | |
1587 | goto err; | |
1588 | } | |
1589 | ||
c3546b53 | 1590 | crc = fio_crc32c(s, hdr.size); |
ca09be4b JA |
1591 | if (crc != hdr.crc) { |
1592 | log_err("fio: verify state is corrupt\n"); | |
1593 | goto err; | |
1594 | } | |
1595 | ||
1596 | close(fd); | |
1597 | ||
c3546b53 | 1598 | verify_convert_assign_state(td, s, hdr.version); |
ca09be4b JA |
1599 | return 0; |
1600 | err: | |
1601 | if (s) | |
1602 | free(s); | |
1603 | close(fd); | |
1604 | return 1; | |
1605 | } | |
1606 | ||
1607 | /* | |
1608 | * Use the loaded verify state to know when to stop doing verification | |
1609 | */ | |
1610 | int verify_state_should_stop(struct thread_data *td, struct io_u *io_u) | |
1611 | { | |
1612 | struct thread_io_list *s = td->vstate; | |
1613 | int i; | |
1614 | ||
1615 | if (!s) | |
1616 | return 0; | |
1617 | ||
1618 | /* | |
def00095 JA |
1619 | * If we're not into the window of issues - depth yet, continue. If |
1620 | * issue is shorter than depth, do check. | |
ca09be4b | 1621 | */ |
def00095 JA |
1622 | if ((td->io_blocks[DDIR_READ] < s->depth || |
1623 | s->numberio - td->io_blocks[DDIR_READ] > s->depth) && | |
1624 | s->numberio > s->depth) | |
ca09be4b JA |
1625 | return 0; |
1626 | ||
1627 | /* | |
1628 | * We're in the window of having to check if this io was | |
1629 | * completed or not. If the IO was seen as completed, then | |
1630 | * lets verify it. | |
1631 | */ | |
1632 | for (i = 0; i < s->no_comps; i++) | |
1633 | if (io_u->offset == s->offsets[i]) | |
1634 | return 0; | |
1635 | ||
1636 | /* | |
1637 | * Not found, we have to stop | |
1638 | */ | |
1639 | return 1; | |
1640 | } |