Commit | Line | Data |
---|---|---|
e29d1b70 JA |
1 | /* |
2 | * IO verification helpers | |
3 | */ | |
4 | #include <unistd.h> | |
5 | #include <fcntl.h> | |
6 | #include <string.h> | |
97af62ce | 7 | #include <assert.h> |
e8462bd8 | 8 | #include <pthread.h> |
79402a12 | 9 | #include <libgen.h> |
e29d1b70 JA |
10 | |
11 | #include "fio.h" | |
4f5af7b2 | 12 | #include "verify.h" |
0d29de83 | 13 | #include "trim.h" |
637ef8d9 | 14 | #include "lib/rand.h" |
51aa2da8 | 15 | #include "lib/hweight.h" |
e29d1b70 | 16 | |
eef6eea1 JA |
17 | #include "crc/md5.h" |
18 | #include "crc/crc64.h" | |
19 | #include "crc/crc32.h" | |
bac39e0e | 20 | #include "crc/crc32c.h" |
eef6eea1 JA |
21 | #include "crc/crc16.h" |
22 | #include "crc/crc7.h" | |
23 | #include "crc/sha256.h" | |
24 | #include "crc/sha512.h" | |
7c353ceb | 25 | #include "crc/sha1.h" |
844ea602 | 26 | #include "crc/xxhash.h" |
cd14cc10 | 27 | |
7d9fb455 JA |
28 | static void populate_hdr(struct thread_data *td, struct io_u *io_u, |
29 | struct verify_header *hdr, unsigned int header_num, | |
30 | unsigned int header_len); | |
31 | ||
ce35b1ec JA |
32 | static void fill_pattern(struct thread_data *td, void *p, unsigned int len, |
33 | char *pattern, unsigned int pattern_bytes) | |
90059d65 | 34 | { |
ce35b1ec | 35 | switch (pattern_bytes) { |
90059d65 | 36 | case 0: |
ce35b1ec | 37 | assert(0); |
90059d65 JA |
38 | break; |
39 | case 1: | |
bd6f78b2 | 40 | dprint(FD_VERIFY, "fill verify pattern b=0 len=%u\n", len); |
ce35b1ec | 41 | memset(p, pattern[0], len); |
90059d65 | 42 | break; |
0e92f873 RR |
43 | default: { |
44 | unsigned int i = 0, size = 0; | |
90059d65 JA |
45 | unsigned char *b = p; |
46 | ||
bd6f78b2 | 47 | dprint(FD_VERIFY, "fill verify pattern b=%d len=%u\n", |
ce35b1ec | 48 | pattern_bytes, len); |
bd6f78b2 | 49 | |
90059d65 | 50 | while (i < len) { |
ce35b1ec | 51 | size = pattern_bytes; |
0e92f873 RR |
52 | if (size > (len - i)) |
53 | size = len - i; | |
ce35b1ec | 54 | memcpy(b+i, pattern, size); |
0e92f873 | 55 | i += size; |
90059d65 JA |
56 | } |
57 | break; | |
58 | } | |
59 | } | |
60 | } | |
61 | ||
ce35b1ec JA |
62 | void fill_buffer_pattern(struct thread_data *td, void *p, unsigned int len) |
63 | { | |
64 | fill_pattern(td, p, len, td->o.buffer_pattern, td->o.buffer_pattern_bytes); | |
65 | } | |
66 | ||
67 | void fill_verify_pattern(struct thread_data *td, void *p, unsigned int len, | |
68 | struct io_u *io_u, unsigned long seed, int use_seed) | |
69 | { | |
70 | if (!td->o.verify_pattern_bytes) { | |
71 | dprint(FD_VERIFY, "fill random bytes len=%u\n", len); | |
72 | ||
73 | if (use_seed) | |
74 | __fill_random_buf(p, len, seed); | |
75 | else | |
c4b6117b | 76 | io_u->rand_seed = fill_random_buf(&td->__verify_state, p, len); |
ce35b1ec JA |
77 | return; |
78 | } | |
c4b6117b | 79 | |
ce35b1ec JA |
80 | if (io_u->buf_filled_len >= len) { |
81 | dprint(FD_VERIFY, "using already filled verify pattern b=%d len=%u\n", | |
82 | td->o.verify_pattern_bytes, len); | |
83 | return; | |
84 | } | |
85 | ||
86 | fill_pattern(td, p, len, td->o.verify_pattern, td->o.verify_pattern_bytes); | |
87 | ||
88 | io_u->buf_filled_len = len; | |
89 | } | |
90 | ||
cfbcd0dc JA |
91 | static unsigned int get_hdr_inc(struct thread_data *td, struct io_u *io_u) |
92 | { | |
93 | unsigned int hdr_inc; | |
94 | ||
95 | hdr_inc = io_u->buflen; | |
8a99fdf6 | 96 | if (td->o.verify_interval && td->o.verify_interval <= io_u->buflen) |
cfbcd0dc JA |
97 | hdr_inc = td->o.verify_interval; |
98 | ||
99 | return hdr_inc; | |
100 | } | |
101 | ||
c50ca7bd JA |
102 | static void fill_pattern_headers(struct thread_data *td, struct io_u *io_u, |
103 | unsigned long seed, int use_seed) | |
104 | { | |
105 | unsigned int hdr_inc, header_num; | |
106 | struct verify_header *hdr; | |
107 | void *p = io_u->buf; | |
108 | ||
ce35b1ec | 109 | fill_verify_pattern(td, p, io_u->buflen, io_u, seed, use_seed); |
c50ca7bd | 110 | |
cfbcd0dc | 111 | hdr_inc = get_hdr_inc(td, io_u); |
c50ca7bd JA |
112 | header_num = 0; |
113 | for (; p < io_u->buf + io_u->buflen; p += hdr_inc) { | |
114 | hdr = p; | |
115 | populate_hdr(td, io_u, hdr, header_num, hdr_inc); | |
116 | header_num++; | |
117 | } | |
118 | } | |
119 | ||
4764aec9 | 120 | static void memswp(void *buf1, void *buf2, unsigned int len) |
546a9142 | 121 | { |
dee6de74 SL |
122 | char swap[200]; |
123 | ||
124 | assert(len <= sizeof(swap)); | |
90059d65 | 125 | |
546a9142 SL |
126 | memcpy(&swap, buf1, len); |
127 | memcpy(buf1, buf2, len); | |
128 | memcpy(buf2, &swap, len); | |
129 | } | |
130 | ||
e29d1b70 JA |
131 | static void hexdump(void *buffer, int len) |
132 | { | |
133 | unsigned char *p = buffer; | |
134 | int i; | |
135 | ||
136 | for (i = 0; i < len; i++) | |
bfacf389 JA |
137 | log_err("%02x", p[i]); |
138 | log_err("\n"); | |
e29d1b70 JA |
139 | } |
140 | ||
87677832 | 141 | /* |
de8f6de9 | 142 | * Prepare for separation of verify_header and checksum header |
87677832 | 143 | */ |
546dfd9f | 144 | static inline unsigned int __hdr_size(int verify_type) |
87677832 | 145 | { |
03e20d68 | 146 | unsigned int len = 0; |
87677832 | 147 | |
546dfd9f JA |
148 | switch (verify_type) { |
149 | case VERIFY_NONE: | |
150 | case VERIFY_NULL: | |
151 | len = 0; | |
152 | break; | |
153 | case VERIFY_MD5: | |
154 | len = sizeof(struct vhdr_md5); | |
155 | break; | |
156 | case VERIFY_CRC64: | |
157 | len = sizeof(struct vhdr_crc64); | |
158 | break; | |
bac39e0e | 159 | case VERIFY_CRC32C: |
546dfd9f | 160 | case VERIFY_CRC32: |
3845591f | 161 | case VERIFY_CRC32C_INTEL: |
546dfd9f JA |
162 | len = sizeof(struct vhdr_crc32); |
163 | break; | |
164 | case VERIFY_CRC16: | |
165 | len = sizeof(struct vhdr_crc16); | |
166 | break; | |
167 | case VERIFY_CRC7: | |
168 | len = sizeof(struct vhdr_crc7); | |
169 | break; | |
170 | case VERIFY_SHA256: | |
171 | len = sizeof(struct vhdr_sha256); | |
172 | break; | |
173 | case VERIFY_SHA512: | |
174 | len = sizeof(struct vhdr_sha512); | |
175 | break; | |
844ea602 JA |
176 | case VERIFY_XXHASH: |
177 | len = sizeof(struct vhdr_xxhash); | |
178 | break; | |
7437ee87 SL |
179 | case VERIFY_META: |
180 | len = sizeof(struct vhdr_meta); | |
181 | break; | |
7c353ceb JA |
182 | case VERIFY_SHA1: |
183 | len = sizeof(struct vhdr_sha1); | |
184 | break; | |
92bf48d5 JA |
185 | case VERIFY_PATTERN: |
186 | len = 0; | |
187 | break; | |
546dfd9f JA |
188 | default: |
189 | log_err("fio: unknown verify header!\n"); | |
190 | assert(0); | |
191 | } | |
192 | ||
193 | return len + sizeof(struct verify_header); | |
87677832 JA |
194 | } |
195 | ||
196 | static inline unsigned int hdr_size(struct verify_header *hdr) | |
197 | { | |
546dfd9f JA |
198 | return __hdr_size(hdr->verify_type); |
199 | } | |
200 | ||
201 | static void *hdr_priv(struct verify_header *hdr) | |
202 | { | |
203 | void *priv = hdr; | |
204 | ||
205 | return priv + sizeof(struct verify_header); | |
87677832 JA |
206 | } |
207 | ||
936216f8 JA |
208 | /* |
209 | * Verify container, pass info to verify handlers and allow them to | |
210 | * pass info back in case of error | |
211 | */ | |
212 | struct vcont { | |
213 | /* | |
214 | * Input | |
215 | */ | |
216 | struct io_u *io_u; | |
217 | unsigned int hdr_num; | |
7d9fb455 | 218 | struct thread_data *td; |
936216f8 JA |
219 | |
220 | /* | |
221 | * Output, only valid in case of error | |
222 | */ | |
bfacf389 JA |
223 | const char *name; |
224 | void *good_crc; | |
225 | void *bad_crc; | |
936216f8 JA |
226 | unsigned int crc_len; |
227 | }; | |
228 | ||
dacbbb88 JA |
229 | #define DUMP_BUF_SZ 255 |
230 | static int dump_buf_warned; | |
231 | ||
c50ca7bd JA |
232 | static void dump_buf(char *buf, unsigned int len, unsigned long long offset, |
233 | const char *type, struct fio_file *f) | |
7d9fb455 | 234 | { |
dacbbb88 JA |
235 | char *ptr, fname[DUMP_BUF_SZ]; |
236 | size_t buf_left = DUMP_BUF_SZ; | |
7d9fb455 JA |
237 | int ret, fd; |
238 | ||
6f260b31 | 239 | ptr = strdup(f->file_name); |
c50ca7bd | 240 | |
dacbbb88 JA |
241 | fname[DUMP_BUF_SZ - 1] = '\0'; |
242 | strncpy(fname, basename(ptr), DUMP_BUF_SZ - 1); | |
243 | ||
244 | buf_left -= strlen(fname); | |
245 | if (buf_left <= 0) { | |
246 | if (!dump_buf_warned) { | |
247 | log_err("fio: verify failure dump buffer too small\n"); | |
248 | dump_buf_warned = 1; | |
249 | } | |
250 | free(ptr); | |
251 | return; | |
252 | } | |
253 | ||
254 | snprintf(fname + strlen(fname), buf_left, ".%llu.%s", offset, type); | |
7d9fb455 JA |
255 | |
256 | fd = open(fname, O_CREAT | O_TRUNC | O_WRONLY, 0644); | |
257 | if (fd < 0) { | |
258 | perror("open verify buf file"); | |
259 | return; | |
260 | } | |
261 | ||
262 | while (len) { | |
263 | ret = write(fd, buf, len); | |
264 | if (!ret) | |
265 | break; | |
266 | else if (ret < 0) { | |
267 | perror("write verify buf file"); | |
268 | break; | |
269 | } | |
270 | len -= ret; | |
271 | buf += ret; | |
272 | } | |
273 | ||
274 | close(fd); | |
c50ca7bd | 275 | log_err(" %s data dumped as %s\n", type, fname); |
6f260b31 | 276 | free(ptr); |
7d9fb455 JA |
277 | } |
278 | ||
c50ca7bd JA |
279 | /* |
280 | * Dump the contents of the read block and re-generate the correct data | |
281 | * and dump that too. | |
282 | */ | |
7d9fb455 JA |
283 | static void dump_verify_buffers(struct verify_header *hdr, struct vcont *vc) |
284 | { | |
285 | struct thread_data *td = vc->td; | |
286 | struct io_u *io_u = vc->io_u; | |
287 | unsigned long hdr_offset; | |
7d9fb455 | 288 | struct io_u dummy; |
c50ca7bd | 289 | void *buf; |
7d9fb455 | 290 | |
0dce9bc9 SL |
291 | if (!td->o.verify_dump) |
292 | return; | |
293 | ||
c50ca7bd JA |
294 | /* |
295 | * Dump the contents we just read off disk | |
296 | */ | |
7d9fb455 JA |
297 | hdr_offset = vc->hdr_num * hdr->len; |
298 | ||
c50ca7bd JA |
299 | dump_buf(io_u->buf + hdr_offset, hdr->len, io_u->offset + hdr_offset, |
300 | "received", vc->io_u->file); | |
7d9fb455 | 301 | |
c50ca7bd JA |
302 | /* |
303 | * Allocate a new buf and re-generate the original data | |
304 | */ | |
305 | buf = malloc(io_u->buflen); | |
7d9fb455 | 306 | dummy = *io_u; |
c50ca7bd | 307 | dummy.buf = buf; |
4aae38a6 | 308 | dummy.rand_seed = hdr->rand_seed; |
cfbcd0dc | 309 | dummy.buf_filled_len = 0; |
0d81daf9 | 310 | dummy.buflen = io_u->buflen; |
7d9fb455 | 311 | |
c50ca7bd | 312 | fill_pattern_headers(td, &dummy, hdr->rand_seed, 1); |
7d9fb455 | 313 | |
c50ca7bd JA |
314 | dump_buf(buf + hdr_offset, hdr->len, io_u->offset + hdr_offset, |
315 | "expected", vc->io_u->file); | |
7d9fb455 JA |
316 | free(buf); |
317 | } | |
318 | ||
bfacf389 JA |
319 | static void log_verify_failure(struct verify_header *hdr, struct vcont *vc) |
320 | { | |
321 | unsigned long long offset; | |
322 | ||
323 | offset = vc->io_u->offset; | |
324 | offset += vc->hdr_num * hdr->len; | |
32c17adf JA |
325 | log_err("%.8s: verify failed at file %s offset %llu, length %u\n", |
326 | vc->name, vc->io_u->file->file_name, offset, hdr->len); | |
bfacf389 JA |
327 | |
328 | if (vc->good_crc && vc->bad_crc) { | |
329 | log_err(" Expected CRC: "); | |
330 | hexdump(vc->good_crc, vc->crc_len); | |
331 | log_err(" Received CRC: "); | |
332 | hexdump(vc->bad_crc, vc->crc_len); | |
333 | } | |
7d9fb455 JA |
334 | |
335 | dump_verify_buffers(hdr, vc); | |
bfacf389 JA |
336 | } |
337 | ||
d9f2caf3 JA |
338 | /* |
339 | * Return data area 'header_num' | |
340 | */ | |
936216f8 | 341 | static inline void *io_u_verify_off(struct verify_header *hdr, struct vcont *vc) |
d9f2caf3 | 342 | { |
936216f8 | 343 | return vc->io_u->buf + vc->hdr_num * hdr->len + hdr_size(hdr); |
d9f2caf3 JA |
344 | } |
345 | ||
92bf48d5 JA |
346 | static int verify_io_u_pattern(struct verify_header *hdr, struct vcont *vc) |
347 | { | |
348 | struct thread_data *td = vc->td; | |
349 | struct io_u *io_u = vc->io_u; | |
350 | char *buf, *pattern; | |
2b13e716 | 351 | unsigned int header_size = __hdr_size(td->o.verify); |
9a2a86d0 | 352 | unsigned int len, mod, i, size, pattern_size; |
92bf48d5 JA |
353 | |
354 | pattern = td->o.verify_pattern; | |
9a2a86d0 SL |
355 | pattern_size = td->o.verify_pattern_bytes; |
356 | if (pattern_size <= 1) | |
357 | pattern_size = MAX_PATTERN_SIZE; | |
2b13e716 JA |
358 | buf = (void *) hdr + header_size; |
359 | len = get_hdr_inc(td, io_u) - header_size; | |
9a2a86d0 SL |
360 | mod = header_size % pattern_size; |
361 | ||
362 | for (i = 0; i < len; i += size) { | |
363 | size = pattern_size - mod; | |
364 | if (size > (len - i)) | |
365 | size = len - i; | |
366 | if (memcmp(buf + i, pattern + mod, size)) | |
e4ad68b1 | 367 | /* Let the slow compare find the first mismatch byte. */ |
9a2a86d0 SL |
368 | break; |
369 | mod = 0; | |
370 | } | |
92bf48d5 | 371 | |
9a2a86d0 | 372 | for (; i < len; i++) { |
92bf48d5 JA |
373 | if (buf[i] != pattern[mod]) { |
374 | unsigned int bits; | |
375 | ||
376 | bits = hweight8(buf[i] ^ pattern[mod]); | |
377 | log_err("fio: got pattern %x, wanted %x. Bad bits %d\n", | |
378 | buf[i], pattern[mod], bits); | |
379 | log_err("fio: bad pattern block offset %u\n", i); | |
380 | dump_verify_buffers(hdr, vc); | |
381 | return EILSEQ; | |
382 | } | |
383 | mod++; | |
384 | if (mod == td->o.verify_pattern_bytes) | |
385 | mod = 0; | |
386 | } | |
387 | ||
388 | return 0; | |
389 | } | |
390 | ||
391 | static int verify_io_u_meta(struct verify_header *hdr, struct vcont *vc) | |
7437ee87 | 392 | { |
92bf48d5 | 393 | struct thread_data *td = vc->td; |
7437ee87 | 394 | struct vhdr_meta *vh = hdr_priv(hdr); |
936216f8 | 395 | struct io_u *io_u = vc->io_u; |
92bf48d5 | 396 | int ret = EILSEQ; |
7437ee87 | 397 | |
bd6f78b2 JA |
398 | dprint(FD_VERIFY, "meta verify io_u %p, len %u\n", io_u, hdr->len); |
399 | ||
bfacf389 | 400 | if (vh->offset == io_u->offset + vc->hdr_num * td->o.verify_interval) |
92bf48d5 JA |
401 | ret = 0; |
402 | ||
403 | if (td->o.verify_pattern_bytes) | |
404 | ret |= verify_io_u_pattern(hdr, vc); | |
405 | ||
da0a7bd2 JC |
406 | /* |
407 | * For read-only workloads, the program cannot be certain of the | |
8bca6016 JA |
408 | * last numberio written to a block. Checking of numberio will be |
409 | * done only for workloads that write data. For verify_only, | |
410 | * numberio will be checked in the last iteration when the correct | |
411 | * state of numberio, that would have been written to each block | |
412 | * in a previous run of fio, has been reached. | |
da0a7bd2 | 413 | */ |
b7f5c00d JA |
414 | if ((td_write(td) || td_rw(td)) && (td_min_bs(td) == td_max_bs(td)) && |
415 | !td->o.time_based) | |
62167762 JC |
416 | if (!td->o.verify_only || td->o.loops == 0) |
417 | if (vh->numberio != io_u->numberio) | |
418 | ret = EILSEQ; | |
da0a7bd2 | 419 | |
92bf48d5 | 420 | if (!ret) |
bfacf389 | 421 | return 0; |
7437ee87 | 422 | |
bfacf389 JA |
423 | vc->name = "meta"; |
424 | log_verify_failure(hdr, vc); | |
92bf48d5 | 425 | return ret; |
7437ee87 SL |
426 | } |
427 | ||
844ea602 JA |
428 | static int verify_io_u_xxhash(struct verify_header *hdr, struct vcont *vc) |
429 | { | |
430 | void *p = io_u_verify_off(hdr, vc); | |
431 | struct vhdr_xxhash *vh = hdr_priv(hdr); | |
432 | uint32_t hash; | |
433 | void *state; | |
434 | ||
435 | dprint(FD_VERIFY, "xxhash verify io_u %p, len %u\n", vc->io_u, hdr->len); | |
436 | ||
437 | state = XXH32_init(1); | |
438 | XXH32_update(state, p, hdr->len - hdr_size(hdr)); | |
439 | hash = XXH32_digest(state); | |
440 | ||
441 | if (vh->hash == hash) | |
442 | return 0; | |
443 | ||
444 | vc->name = "xxhash"; | |
445 | vc->good_crc = &vh->hash; | |
446 | vc->bad_crc = &hash; | |
447 | vc->crc_len = sizeof(hash); | |
448 | log_verify_failure(hdr, vc); | |
449 | return EILSEQ; | |
450 | } | |
451 | ||
936216f8 | 452 | static int verify_io_u_sha512(struct verify_header *hdr, struct vcont *vc) |
cd14cc10 | 453 | { |
936216f8 | 454 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 455 | struct vhdr_sha512 *vh = hdr_priv(hdr); |
cd14cc10 | 456 | uint8_t sha512[128]; |
25dfa848 | 457 | struct fio_sha512_ctx sha512_ctx = { |
cd14cc10 JA |
458 | .buf = sha512, |
459 | }; | |
460 | ||
936216f8 | 461 | dprint(FD_VERIFY, "sha512 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 462 | |
25dfa848 JA |
463 | fio_sha512_init(&sha512_ctx); |
464 | fio_sha512_update(&sha512_ctx, p, hdr->len - hdr_size(hdr)); | |
cd14cc10 | 465 | |
bfacf389 JA |
466 | if (!memcmp(vh->sha512, sha512_ctx.buf, sizeof(sha512))) |
467 | return 0; | |
cd14cc10 | 468 | |
bfacf389 JA |
469 | vc->name = "sha512"; |
470 | vc->good_crc = vh->sha512; | |
471 | vc->bad_crc = sha512_ctx.buf; | |
472 | vc->crc_len = sizeof(vh->sha512); | |
473 | log_verify_failure(hdr, vc); | |
474 | return EILSEQ; | |
cd14cc10 JA |
475 | } |
476 | ||
936216f8 | 477 | static int verify_io_u_sha256(struct verify_header *hdr, struct vcont *vc) |
cd14cc10 | 478 | { |
936216f8 | 479 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 480 | struct vhdr_sha256 *vh = hdr_priv(hdr); |
bc77f56f | 481 | uint8_t sha256[64]; |
25dfa848 | 482 | struct fio_sha256_ctx sha256_ctx = { |
cd14cc10 JA |
483 | .buf = sha256, |
484 | }; | |
485 | ||
936216f8 | 486 | dprint(FD_VERIFY, "sha256 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 487 | |
25dfa848 JA |
488 | fio_sha256_init(&sha256_ctx); |
489 | fio_sha256_update(&sha256_ctx, p, hdr->len - hdr_size(hdr)); | |
cd14cc10 | 490 | |
bfacf389 JA |
491 | if (!memcmp(vh->sha256, sha256_ctx.buf, sizeof(sha256))) |
492 | return 0; | |
cd14cc10 | 493 | |
bfacf389 JA |
494 | vc->name = "sha256"; |
495 | vc->good_crc = vh->sha256; | |
496 | vc->bad_crc = sha256_ctx.buf; | |
497 | vc->crc_len = sizeof(vh->sha256); | |
498 | log_verify_failure(hdr, vc); | |
499 | return EILSEQ; | |
cd14cc10 JA |
500 | } |
501 | ||
936216f8 | 502 | static int verify_io_u_sha1(struct verify_header *hdr, struct vcont *vc) |
7c353ceb | 503 | { |
936216f8 | 504 | void *p = io_u_verify_off(hdr, vc); |
7c353ceb JA |
505 | struct vhdr_sha1 *vh = hdr_priv(hdr); |
506 | uint32_t sha1[5]; | |
25dfa848 | 507 | struct fio_sha1_ctx sha1_ctx = { |
7c353ceb JA |
508 | .H = sha1, |
509 | }; | |
510 | ||
936216f8 | 511 | dprint(FD_VERIFY, "sha1 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
7c353ceb | 512 | |
25dfa848 JA |
513 | fio_sha1_init(&sha1_ctx); |
514 | fio_sha1_update(&sha1_ctx, p, hdr->len - hdr_size(hdr)); | |
7c353ceb | 515 | |
bfacf389 JA |
516 | if (!memcmp(vh->sha1, sha1_ctx.H, sizeof(sha1))) |
517 | return 0; | |
7c353ceb | 518 | |
bfacf389 JA |
519 | vc->name = "sha1"; |
520 | vc->good_crc = vh->sha1; | |
521 | vc->bad_crc = sha1_ctx.H; | |
522 | vc->crc_len = sizeof(vh->sha1); | |
523 | log_verify_failure(hdr, vc); | |
524 | return EILSEQ; | |
7c353ceb JA |
525 | } |
526 | ||
936216f8 | 527 | static int verify_io_u_crc7(struct verify_header *hdr, struct vcont *vc) |
1e154bdb | 528 | { |
936216f8 | 529 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 530 | struct vhdr_crc7 *vh = hdr_priv(hdr); |
1e154bdb JA |
531 | unsigned char c; |
532 | ||
936216f8 | 533 | dprint(FD_VERIFY, "crc7 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 534 | |
25dfa848 | 535 | c = fio_crc7(p, hdr->len - hdr_size(hdr)); |
1e154bdb | 536 | |
bfacf389 JA |
537 | if (c == vh->crc7) |
538 | return 0; | |
1e154bdb | 539 | |
bfacf389 JA |
540 | vc->name = "crc7"; |
541 | vc->good_crc = &vh->crc7; | |
542 | vc->bad_crc = &c; | |
543 | vc->crc_len = 1; | |
544 | log_verify_failure(hdr, vc); | |
545 | return EILSEQ; | |
1e154bdb JA |
546 | } |
547 | ||
936216f8 | 548 | static int verify_io_u_crc16(struct verify_header *hdr, struct vcont *vc) |
969f7ed3 | 549 | { |
936216f8 | 550 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 551 | struct vhdr_crc16 *vh = hdr_priv(hdr); |
969f7ed3 JA |
552 | unsigned short c; |
553 | ||
936216f8 | 554 | dprint(FD_VERIFY, "crc16 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 555 | |
25dfa848 | 556 | c = fio_crc16(p, hdr->len - hdr_size(hdr)); |
969f7ed3 | 557 | |
bfacf389 JA |
558 | if (c == vh->crc16) |
559 | return 0; | |
969f7ed3 | 560 | |
bfacf389 JA |
561 | vc->name = "crc16"; |
562 | vc->good_crc = &vh->crc16; | |
563 | vc->bad_crc = &c; | |
564 | vc->crc_len = 2; | |
565 | log_verify_failure(hdr, vc); | |
566 | return EILSEQ; | |
969f7ed3 JA |
567 | } |
568 | ||
936216f8 | 569 | static int verify_io_u_crc64(struct verify_header *hdr, struct vcont *vc) |
d77a7af3 | 570 | { |
936216f8 | 571 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 572 | struct vhdr_crc64 *vh = hdr_priv(hdr); |
d77a7af3 JA |
573 | unsigned long long c; |
574 | ||
936216f8 | 575 | dprint(FD_VERIFY, "crc64 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 576 | |
25dfa848 | 577 | c = fio_crc64(p, hdr->len - hdr_size(hdr)); |
d77a7af3 | 578 | |
bfacf389 JA |
579 | if (c == vh->crc64) |
580 | return 0; | |
d77a7af3 | 581 | |
bfacf389 JA |
582 | vc->name = "crc64"; |
583 | vc->good_crc = &vh->crc64; | |
584 | vc->bad_crc = &c; | |
585 | vc->crc_len = 8; | |
586 | log_verify_failure(hdr, vc); | |
587 | return EILSEQ; | |
d77a7af3 JA |
588 | } |
589 | ||
936216f8 | 590 | static int verify_io_u_crc32(struct verify_header *hdr, struct vcont *vc) |
e29d1b70 | 591 | { |
936216f8 | 592 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f JA |
593 | struct vhdr_crc32 *vh = hdr_priv(hdr); |
594 | uint32_t c; | |
e29d1b70 | 595 | |
936216f8 | 596 | dprint(FD_VERIFY, "crc32 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 597 | |
25dfa848 | 598 | c = fio_crc32(p, hdr->len - hdr_size(hdr)); |
e29d1b70 | 599 | |
bfacf389 JA |
600 | if (c == vh->crc32) |
601 | return 0; | |
e29d1b70 | 602 | |
bfacf389 JA |
603 | vc->name = "crc32"; |
604 | vc->good_crc = &vh->crc32; | |
605 | vc->bad_crc = &c; | |
606 | vc->crc_len = 4; | |
607 | log_verify_failure(hdr, vc); | |
608 | return EILSEQ; | |
e29d1b70 JA |
609 | } |
610 | ||
936216f8 | 611 | static int verify_io_u_crc32c(struct verify_header *hdr, struct vcont *vc) |
bac39e0e | 612 | { |
936216f8 | 613 | void *p = io_u_verify_off(hdr, vc); |
bac39e0e JA |
614 | struct vhdr_crc32 *vh = hdr_priv(hdr); |
615 | uint32_t c; | |
616 | ||
936216f8 | 617 | dprint(FD_VERIFY, "crc32c verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bac39e0e | 618 | |
25dfa848 | 619 | c = fio_crc32c(p, hdr->len - hdr_size(hdr)); |
bac39e0e | 620 | |
bfacf389 JA |
621 | if (c == vh->crc32) |
622 | return 0; | |
bac39e0e | 623 | |
bfacf389 JA |
624 | vc->name = "crc32c"; |
625 | vc->good_crc = &vh->crc32; | |
626 | vc->bad_crc = &c; | |
627 | vc->crc_len = 4; | |
628 | log_verify_failure(hdr, vc); | |
629 | return EILSEQ; | |
bac39e0e JA |
630 | } |
631 | ||
936216f8 | 632 | static int verify_io_u_md5(struct verify_header *hdr, struct vcont *vc) |
e29d1b70 | 633 | { |
936216f8 | 634 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 635 | struct vhdr_md5 *vh = hdr_priv(hdr); |
8c432325 | 636 | uint32_t hash[MD5_HASH_WORDS]; |
25dfa848 | 637 | struct fio_md5_ctx md5_ctx = { |
8c432325 JA |
638 | .hash = hash, |
639 | }; | |
e29d1b70 | 640 | |
936216f8 | 641 | dprint(FD_VERIFY, "md5 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 642 | |
25dfa848 JA |
643 | fio_md5_init(&md5_ctx); |
644 | fio_md5_update(&md5_ctx, p, hdr->len - hdr_size(hdr)); | |
e29d1b70 | 645 | |
bfacf389 JA |
646 | if (!memcmp(vh->md5_digest, md5_ctx.hash, sizeof(hash))) |
647 | return 0; | |
e29d1b70 | 648 | |
bfacf389 JA |
649 | vc->name = "md5"; |
650 | vc->good_crc = vh->md5_digest; | |
651 | vc->bad_crc = md5_ctx.hash; | |
652 | vc->crc_len = sizeof(hash); | |
653 | log_verify_failure(hdr, vc); | |
654 | return EILSEQ; | |
e29d1b70 JA |
655 | } |
656 | ||
e8462bd8 JA |
657 | /* |
658 | * Push IO verification to a separate thread | |
659 | */ | |
f8b0bd10 | 660 | int verify_io_u_async(struct thread_data *td, struct io_u **io_u_ptr) |
e8462bd8 | 661 | { |
f8b0bd10 | 662 | struct io_u *io_u = *io_u_ptr; |
e8462bd8 | 663 | |
e8462bd8 | 664 | pthread_mutex_lock(&td->io_u_lock); |
d7ee2a7d | 665 | |
f8b0bd10 JA |
666 | if (io_u->file) |
667 | put_file_log(td, io_u->file); | |
668 | ||
0c41214f RR |
669 | if (io_u->flags & IO_U_F_IN_CUR_DEPTH) { |
670 | td->cur_depth--; | |
671 | io_u->flags &= ~IO_U_F_IN_CUR_DEPTH; | |
672 | } | |
2ae0b204 | 673 | flist_add_tail(&io_u->verify_list, &td->verify_list); |
f8b0bd10 | 674 | *io_u_ptr = NULL; |
e8462bd8 JA |
675 | pthread_mutex_unlock(&td->io_u_lock); |
676 | ||
677 | pthread_cond_signal(&td->verify_cond); | |
e8462bd8 JA |
678 | return 0; |
679 | } | |
680 | ||
0d29de83 JA |
681 | static int verify_trimmed_io_u(struct thread_data *td, struct io_u *io_u) |
682 | { | |
683 | static char zero_buf[1024]; | |
684 | unsigned int this_len, len; | |
685 | int ret = 0; | |
686 | void *p; | |
687 | ||
688 | if (!td->o.trim_zero) | |
689 | return 0; | |
690 | ||
691 | len = io_u->buflen; | |
692 | p = io_u->buf; | |
693 | do { | |
694 | this_len = sizeof(zero_buf); | |
695 | if (this_len > len) | |
696 | this_len = len; | |
697 | if (memcmp(p, zero_buf, this_len)) { | |
698 | ret = EILSEQ; | |
699 | break; | |
700 | } | |
701 | len -= this_len; | |
702 | p += this_len; | |
703 | } while (len); | |
704 | ||
705 | if (!ret) | |
706 | return 0; | |
707 | ||
a917a8b3 JA |
708 | log_err("trim: verify failed at file %s offset %llu, length %lu" |
709 | ", block offset %lu\n", | |
710 | io_u->file->file_name, io_u->offset, io_u->buflen, | |
2f68124f | 711 | (unsigned long) (p - io_u->buf)); |
0d29de83 JA |
712 | return ret; |
713 | } | |
714 | ||
5964842c AG |
715 | static int verify_header(struct io_u *io_u, struct verify_header *hdr, |
716 | unsigned int hdr_num, unsigned int hdr_len) | |
f65d1c26 JA |
717 | { |
718 | void *p = hdr; | |
719 | uint32_t crc; | |
720 | ||
5964842c AG |
721 | if (hdr->magic != FIO_HDR_MAGIC) { |
722 | log_err("verify: bad magic header %x, wanted %x", | |
723 | hdr->magic, FIO_HDR_MAGIC); | |
724 | goto err; | |
725 | } | |
4445856a | 726 | if (hdr->len != hdr_len) { |
5964842c AG |
727 | log_err("verify: bad header length %u, wanted %u", |
728 | hdr->len, hdr_len); | |
729 | goto err; | |
730 | } | |
731 | if (hdr->rand_seed != io_u->rand_seed) { | |
732 | log_err("verify: bad header rand_seed %"PRIu64 | |
733 | ", wanted %"PRIu64, | |
734 | hdr->rand_seed, io_u->rand_seed); | |
735 | goto err; | |
736 | } | |
ae38c0dc | 737 | |
25dfa848 | 738 | crc = fio_crc32c(p, offsetof(struct verify_header, crc32)); |
5964842c AG |
739 | if (crc != hdr->crc32) { |
740 | log_err("verify: bad header crc %x, calculated %x", | |
741 | hdr->crc32, crc); | |
742 | goto err; | |
743 | } | |
744 | return 0; | |
745 | ||
746 | err: | |
747 | log_err(" at file %s offset %llu, length %u\n", | |
748 | io_u->file->file_name, | |
749 | io_u->offset + hdr_num * hdr_len, hdr_len); | |
750 | return EILSEQ; | |
f65d1c26 JA |
751 | } |
752 | ||
f8b0bd10 | 753 | int verify_io_u(struct thread_data *td, struct io_u **io_u_ptr) |
e29d1b70 | 754 | { |
3f9f4e26 | 755 | struct verify_header *hdr; |
f8b0bd10 | 756 | struct io_u *io_u = *io_u_ptr; |
2b13e716 | 757 | unsigned int header_size, hdr_inc, hdr_num = 0; |
95646108 | 758 | void *p; |
e29d1b70 JA |
759 | int ret; |
760 | ||
1dcc0498 | 761 | if (td->o.verify == VERIFY_NULL || io_u->ddir != DDIR_READ) |
36690c9b | 762 | return 0; |
5c57c084 JA |
763 | /* |
764 | * If the IO engine is faking IO (like null), then just pretend | |
765 | * we verified everything. | |
766 | */ | |
767 | if (td->io_ops->flags & FIO_FAKEIO) | |
768 | return 0; | |
769 | ||
0d29de83 JA |
770 | if (io_u->flags & IO_U_F_TRIMMED) { |
771 | ret = verify_trimmed_io_u(td, io_u); | |
772 | goto done; | |
773 | } | |
36690c9b | 774 | |
cfbcd0dc | 775 | hdr_inc = get_hdr_inc(td, io_u); |
e29d1b70 | 776 | |
a12a3b4d | 777 | ret = 0; |
5ec10eaa JA |
778 | for (p = io_u->buf; p < io_u->buf + io_u->buflen; |
779 | p += hdr_inc, hdr_num++) { | |
bfacf389 JA |
780 | struct vcont vc = { |
781 | .io_u = io_u, | |
782 | .hdr_num = hdr_num, | |
7d9fb455 | 783 | .td = td, |
bfacf389 | 784 | }; |
f00b210f | 785 | unsigned int verify_type; |
936216f8 | 786 | |
f3e6cb95 | 787 | if (ret && td->o.verify_fatal) |
a12a3b4d | 788 | break; |
f3e6cb95 | 789 | |
2b13e716 | 790 | header_size = __hdr_size(td->o.verify); |
a59e170d | 791 | if (td->o.verify_offset) |
2b13e716 | 792 | memswp(p, p + td->o.verify_offset, header_size); |
95646108 | 793 | hdr = p; |
e29d1b70 | 794 | |
c4b6117b PV |
795 | /* |
796 | * Make rand_seed check pass when have verifysort or | |
797 | * verify_backlog. | |
798 | */ | |
799 | if (td->o.verifysort || (td->flags & TD_F_VER_BACKLOG)) | |
800 | io_u->rand_seed = hdr->rand_seed; | |
801 | ||
5964842c AG |
802 | ret = verify_header(io_u, hdr, hdr_num, hdr_inc); |
803 | if (ret) | |
804 | return ret; | |
3f199b01 | 805 | |
f00b210f JA |
806 | if (td->o.verify != VERIFY_NONE) |
807 | verify_type = td->o.verify; | |
808 | else | |
809 | verify_type = hdr->verify_type; | |
810 | ||
811 | switch (verify_type) { | |
3f9f4e26 | 812 | case VERIFY_MD5: |
936216f8 | 813 | ret = verify_io_u_md5(hdr, &vc); |
3f9f4e26 SL |
814 | break; |
815 | case VERIFY_CRC64: | |
936216f8 | 816 | ret = verify_io_u_crc64(hdr, &vc); |
3f9f4e26 | 817 | break; |
bac39e0e | 818 | case VERIFY_CRC32C: |
3845591f | 819 | case VERIFY_CRC32C_INTEL: |
936216f8 | 820 | ret = verify_io_u_crc32c(hdr, &vc); |
bac39e0e | 821 | break; |
3f9f4e26 | 822 | case VERIFY_CRC32: |
936216f8 | 823 | ret = verify_io_u_crc32(hdr, &vc); |
3f9f4e26 SL |
824 | break; |
825 | case VERIFY_CRC16: | |
936216f8 | 826 | ret = verify_io_u_crc16(hdr, &vc); |
3f9f4e26 SL |
827 | break; |
828 | case VERIFY_CRC7: | |
936216f8 | 829 | ret = verify_io_u_crc7(hdr, &vc); |
3f9f4e26 | 830 | break; |
cd14cc10 | 831 | case VERIFY_SHA256: |
936216f8 | 832 | ret = verify_io_u_sha256(hdr, &vc); |
cd14cc10 JA |
833 | break; |
834 | case VERIFY_SHA512: | |
936216f8 | 835 | ret = verify_io_u_sha512(hdr, &vc); |
cd14cc10 | 836 | break; |
844ea602 JA |
837 | case VERIFY_XXHASH: |
838 | ret = verify_io_u_xxhash(hdr, &vc); | |
839 | break; | |
7437ee87 | 840 | case VERIFY_META: |
92bf48d5 | 841 | ret = verify_io_u_meta(hdr, &vc); |
7437ee87 | 842 | break; |
7c353ceb | 843 | case VERIFY_SHA1: |
936216f8 | 844 | ret = verify_io_u_sha1(hdr, &vc); |
7c353ceb | 845 | break; |
92bf48d5 JA |
846 | case VERIFY_PATTERN: |
847 | ret = verify_io_u_pattern(hdr, &vc); | |
848 | break; | |
3f9f4e26 SL |
849 | default: |
850 | log_err("Bad verify type %u\n", hdr->verify_type); | |
d16d4e09 | 851 | ret = EINVAL; |
3f9f4e26 | 852 | } |
f00b210f JA |
853 | |
854 | if (ret && verify_type != hdr->verify_type) | |
855 | log_err("fio: verify type mismatch (%u media, %u given)\n", | |
856 | hdr->verify_type, verify_type); | |
3f9f4e26 | 857 | } |
a7dfe862 | 858 | |
0d29de83 | 859 | done: |
f3e6cb95 | 860 | if (ret && td->o.verify_fatal) |
ebea2133 | 861 | fio_mark_td_terminate(td); |
f3e6cb95 | 862 | |
a12a3b4d | 863 | return ret; |
e29d1b70 JA |
864 | } |
865 | ||
7437ee87 | 866 | static void fill_meta(struct verify_header *hdr, struct thread_data *td, |
5ec10eaa | 867 | struct io_u *io_u, unsigned int header_num) |
7437ee87 SL |
868 | { |
869 | struct vhdr_meta *vh = hdr_priv(hdr); | |
870 | ||
871 | vh->thread = td->thread_number; | |
872 | ||
873 | vh->time_sec = io_u->start_time.tv_sec; | |
874 | vh->time_usec = io_u->start_time.tv_usec; | |
875 | ||
da0a7bd2 | 876 | vh->numberio = io_u->numberio; |
7437ee87 SL |
877 | |
878 | vh->offset = io_u->offset + header_num * td->o.verify_interval; | |
879 | } | |
880 | ||
844ea602 JA |
881 | static void fill_xxhash(struct verify_header *hdr, void *p, unsigned int len) |
882 | { | |
883 | struct vhdr_xxhash *vh = hdr_priv(hdr); | |
884 | void *state; | |
885 | ||
886 | state = XXH32_init(1); | |
887 | XXH32_update(state, p, len); | |
888 | vh->hash = XXH32_digest(state); | |
889 | } | |
890 | ||
cd14cc10 JA |
891 | static void fill_sha512(struct verify_header *hdr, void *p, unsigned int len) |
892 | { | |
546dfd9f | 893 | struct vhdr_sha512 *vh = hdr_priv(hdr); |
25dfa848 | 894 | struct fio_sha512_ctx sha512_ctx = { |
546dfd9f | 895 | .buf = vh->sha512, |
cd14cc10 JA |
896 | }; |
897 | ||
25dfa848 JA |
898 | fio_sha512_init(&sha512_ctx); |
899 | fio_sha512_update(&sha512_ctx, p, len); | |
cd14cc10 JA |
900 | } |
901 | ||
902 | static void fill_sha256(struct verify_header *hdr, void *p, unsigned int len) | |
903 | { | |
546dfd9f | 904 | struct vhdr_sha256 *vh = hdr_priv(hdr); |
25dfa848 | 905 | struct fio_sha256_ctx sha256_ctx = { |
546dfd9f | 906 | .buf = vh->sha256, |
cd14cc10 JA |
907 | }; |
908 | ||
25dfa848 JA |
909 | fio_sha256_init(&sha256_ctx); |
910 | fio_sha256_update(&sha256_ctx, p, len); | |
cd14cc10 JA |
911 | } |
912 | ||
7c353ceb JA |
913 | static void fill_sha1(struct verify_header *hdr, void *p, unsigned int len) |
914 | { | |
915 | struct vhdr_sha1 *vh = hdr_priv(hdr); | |
25dfa848 | 916 | struct fio_sha1_ctx sha1_ctx = { |
7c353ceb JA |
917 | .H = vh->sha1, |
918 | }; | |
919 | ||
25dfa848 JA |
920 | fio_sha1_init(&sha1_ctx); |
921 | fio_sha1_update(&sha1_ctx, p, len); | |
7c353ceb JA |
922 | } |
923 | ||
1e154bdb JA |
924 | static void fill_crc7(struct verify_header *hdr, void *p, unsigned int len) |
925 | { | |
546dfd9f JA |
926 | struct vhdr_crc7 *vh = hdr_priv(hdr); |
927 | ||
25dfa848 | 928 | vh->crc7 = fio_crc7(p, len); |
1e154bdb JA |
929 | } |
930 | ||
969f7ed3 JA |
931 | static void fill_crc16(struct verify_header *hdr, void *p, unsigned int len) |
932 | { | |
546dfd9f JA |
933 | struct vhdr_crc16 *vh = hdr_priv(hdr); |
934 | ||
25dfa848 | 935 | vh->crc16 = fio_crc16(p, len); |
969f7ed3 JA |
936 | } |
937 | ||
e29d1b70 JA |
938 | static void fill_crc32(struct verify_header *hdr, void *p, unsigned int len) |
939 | { | |
546dfd9f JA |
940 | struct vhdr_crc32 *vh = hdr_priv(hdr); |
941 | ||
25dfa848 | 942 | vh->crc32 = fio_crc32(p, len); |
e29d1b70 JA |
943 | } |
944 | ||
bac39e0e JA |
945 | static void fill_crc32c(struct verify_header *hdr, void *p, unsigned int len) |
946 | { | |
947 | struct vhdr_crc32 *vh = hdr_priv(hdr); | |
948 | ||
25dfa848 | 949 | vh->crc32 = fio_crc32c(p, len); |
bac39e0e JA |
950 | } |
951 | ||
d77a7af3 JA |
952 | static void fill_crc64(struct verify_header *hdr, void *p, unsigned int len) |
953 | { | |
546dfd9f JA |
954 | struct vhdr_crc64 *vh = hdr_priv(hdr); |
955 | ||
25dfa848 | 956 | vh->crc64 = fio_crc64(p, len); |
d77a7af3 JA |
957 | } |
958 | ||
e29d1b70 JA |
959 | static void fill_md5(struct verify_header *hdr, void *p, unsigned int len) |
960 | { | |
546dfd9f | 961 | struct vhdr_md5 *vh = hdr_priv(hdr); |
25dfa848 | 962 | struct fio_md5_ctx md5_ctx = { |
546dfd9f | 963 | .hash = (uint32_t *) vh->md5_digest, |
8c432325 | 964 | }; |
e29d1b70 | 965 | |
25dfa848 JA |
966 | fio_md5_init(&md5_ctx); |
967 | fio_md5_update(&md5_ctx, p, len); | |
e29d1b70 JA |
968 | } |
969 | ||
7d9fb455 JA |
970 | static void populate_hdr(struct thread_data *td, struct io_u *io_u, |
971 | struct verify_header *hdr, unsigned int header_num, | |
972 | unsigned int header_len) | |
973 | { | |
974 | unsigned int data_len; | |
975 | void *data, *p; | |
976 | ||
977 | p = (void *) hdr; | |
978 | ||
d3a173a9 | 979 | hdr->magic = FIO_HDR_MAGIC; |
7d9fb455 | 980 | hdr->verify_type = td->o.verify; |
d3a173a9 | 981 | hdr->len = header_len; |
7d9fb455 | 982 | hdr->rand_seed = io_u->rand_seed; |
25dfa848 | 983 | hdr->crc32 = fio_crc32c(p, offsetof(struct verify_header, crc32)); |
f65d1c26 | 984 | |
7d9fb455 JA |
985 | data_len = header_len - hdr_size(hdr); |
986 | ||
987 | data = p + hdr_size(hdr); | |
988 | switch (td->o.verify) { | |
989 | case VERIFY_MD5: | |
990 | dprint(FD_VERIFY, "fill md5 io_u %p, len %u\n", | |
991 | io_u, hdr->len); | |
992 | fill_md5(hdr, data, data_len); | |
993 | break; | |
994 | case VERIFY_CRC64: | |
995 | dprint(FD_VERIFY, "fill crc64 io_u %p, len %u\n", | |
996 | io_u, hdr->len); | |
997 | fill_crc64(hdr, data, data_len); | |
998 | break; | |
999 | case VERIFY_CRC32C: | |
1000 | case VERIFY_CRC32C_INTEL: | |
1001 | dprint(FD_VERIFY, "fill crc32c io_u %p, len %u\n", | |
1002 | io_u, hdr->len); | |
1003 | fill_crc32c(hdr, data, data_len); | |
1004 | break; | |
1005 | case VERIFY_CRC32: | |
1006 | dprint(FD_VERIFY, "fill crc32 io_u %p, len %u\n", | |
1007 | io_u, hdr->len); | |
1008 | fill_crc32(hdr, data, data_len); | |
1009 | break; | |
1010 | case VERIFY_CRC16: | |
1011 | dprint(FD_VERIFY, "fill crc16 io_u %p, len %u\n", | |
1012 | io_u, hdr->len); | |
1013 | fill_crc16(hdr, data, data_len); | |
1014 | break; | |
1015 | case VERIFY_CRC7: | |
1016 | dprint(FD_VERIFY, "fill crc7 io_u %p, len %u\n", | |
1017 | io_u, hdr->len); | |
1018 | fill_crc7(hdr, data, data_len); | |
1019 | break; | |
1020 | case VERIFY_SHA256: | |
1021 | dprint(FD_VERIFY, "fill sha256 io_u %p, len %u\n", | |
1022 | io_u, hdr->len); | |
1023 | fill_sha256(hdr, data, data_len); | |
1024 | break; | |
1025 | case VERIFY_SHA512: | |
1026 | dprint(FD_VERIFY, "fill sha512 io_u %p, len %u\n", | |
1027 | io_u, hdr->len); | |
1028 | fill_sha512(hdr, data, data_len); | |
1029 | break; | |
844ea602 JA |
1030 | case VERIFY_XXHASH: |
1031 | dprint(FD_VERIFY, "fill xxhash io_u %p, len %u\n", | |
1032 | io_u, hdr->len); | |
1033 | fill_xxhash(hdr, data, data_len); | |
1034 | break; | |
7d9fb455 JA |
1035 | case VERIFY_META: |
1036 | dprint(FD_VERIFY, "fill meta io_u %p, len %u\n", | |
1037 | io_u, hdr->len); | |
1038 | fill_meta(hdr, td, io_u, header_num); | |
1039 | break; | |
1040 | case VERIFY_SHA1: | |
1041 | dprint(FD_VERIFY, "fill sha1 io_u %p, len %u\n", | |
1042 | io_u, hdr->len); | |
1043 | fill_sha1(hdr, data, data_len); | |
1044 | break; | |
92bf48d5 JA |
1045 | case VERIFY_PATTERN: |
1046 | /* nothing to do here */ | |
1047 | break; | |
7d9fb455 JA |
1048 | default: |
1049 | log_err("fio: bad verify type: %d\n", td->o.verify); | |
1050 | assert(0); | |
1051 | } | |
1052 | if (td->o.verify_offset) | |
1053 | memswp(p, p + td->o.verify_offset, hdr_size(hdr)); | |
1054 | } | |
1055 | ||
e29d1b70 JA |
1056 | /* |
1057 | * fill body of io_u->buf with random data and add a header with the | |
c50ca7bd | 1058 | * checksum of choice |
e29d1b70 JA |
1059 | */ |
1060 | void populate_verify_io_u(struct thread_data *td, struct io_u *io_u) | |
1061 | { | |
9cc3d150 JA |
1062 | if (td->o.verify == VERIFY_NULL) |
1063 | return; | |
1064 | ||
da0a7bd2 JC |
1065 | io_u->numberio = td->io_issues[io_u->ddir]; |
1066 | ||
c50ca7bd | 1067 | fill_pattern_headers(td, io_u, 0, 0); |
e29d1b70 JA |
1068 | } |
1069 | ||
1070 | int get_next_verify(struct thread_data *td, struct io_u *io_u) | |
1071 | { | |
8de8f047 | 1072 | struct io_piece *ipo = NULL; |
e29d1b70 | 1073 | |
d2d7fa53 JA |
1074 | /* |
1075 | * this io_u is from a requeue, we already filled the offsets | |
1076 | */ | |
1077 | if (io_u->file) | |
1078 | return 0; | |
1079 | ||
8de8f047 JA |
1080 | if (!RB_EMPTY_ROOT(&td->io_hist_tree)) { |
1081 | struct rb_node *n = rb_first(&td->io_hist_tree); | |
e29d1b70 | 1082 | |
8de8f047 | 1083 | ipo = rb_entry(n, struct io_piece, rb_node); |
f9401285 JA |
1084 | |
1085 | /* | |
1086 | * Ensure that the associated IO has completed | |
1087 | */ | |
1088 | read_barrier(); | |
1089 | if (ipo->flags & IP_F_IN_FLIGHT) | |
1090 | goto nothing; | |
1091 | ||
4b87898e | 1092 | rb_erase(n, &td->io_hist_tree); |
a917a8b3 JA |
1093 | assert(ipo->flags & IP_F_ONRB); |
1094 | ipo->flags &= ~IP_F_ONRB; | |
01743ee1 | 1095 | } else if (!flist_empty(&td->io_hist_list)) { |
9342d5f8 | 1096 | ipo = flist_first_entry(&td->io_hist_list, struct io_piece, list); |
f9401285 JA |
1097 | |
1098 | /* | |
1099 | * Ensure that the associated IO has completed | |
1100 | */ | |
1101 | read_barrier(); | |
1102 | if (ipo->flags & IP_F_IN_FLIGHT) | |
1103 | goto nothing; | |
1104 | ||
01743ee1 | 1105 | flist_del(&ipo->list); |
a917a8b3 JA |
1106 | assert(ipo->flags & IP_F_ONLIST); |
1107 | ipo->flags &= ~IP_F_ONLIST; | |
8de8f047 | 1108 | } |
e29d1b70 | 1109 | |
8de8f047 | 1110 | if (ipo) { |
0d29de83 JA |
1111 | td->io_hist_len--; |
1112 | ||
e29d1b70 JA |
1113 | io_u->offset = ipo->offset; |
1114 | io_u->buflen = ipo->len; | |
da0a7bd2 | 1115 | io_u->numberio = ipo->numberio; |
36167d82 | 1116 | io_u->file = ipo->file; |
82af2a7c | 1117 | io_u->flags |= IO_U_F_VER_LIST; |
97af62ce | 1118 | |
0d29de83 JA |
1119 | if (ipo->flags & IP_F_TRIMMED) |
1120 | io_u->flags |= IO_U_F_TRIMMED; | |
1121 | ||
d6aed795 | 1122 | if (!fio_file_open(io_u->file)) { |
97af62ce JA |
1123 | int r = td_io_open_file(td, io_u->file); |
1124 | ||
bd6f78b2 JA |
1125 | if (r) { |
1126 | dprint(FD_VERIFY, "failed file %s open\n", | |
1127 | io_u->file->file_name); | |
97af62ce | 1128 | return 1; |
bd6f78b2 | 1129 | } |
97af62ce JA |
1130 | } |
1131 | ||
1132 | get_file(ipo->file); | |
d6aed795 | 1133 | assert(fio_file_open(io_u->file)); |
e29d1b70 | 1134 | io_u->ddir = DDIR_READ; |
36167d82 JA |
1135 | io_u->xfer_buf = io_u->buf; |
1136 | io_u->xfer_buflen = io_u->buflen; | |
0d29de83 JA |
1137 | |
1138 | remove_trim_entry(td, ipo); | |
e29d1b70 | 1139 | free(ipo); |
bd6f78b2 | 1140 | dprint(FD_VERIFY, "get_next_verify: ret io_u %p\n", io_u); |
c4b6117b PV |
1141 | |
1142 | if (!td->o.verify_pattern_bytes) { | |
1143 | io_u->rand_seed = __rand(&td->__verify_state); | |
1144 | if (sizeof(int) != sizeof(long *)) | |
1145 | io_u->rand_seed *= __rand(&td->__verify_state); | |
1146 | } | |
e29d1b70 JA |
1147 | return 0; |
1148 | } | |
1149 | ||
f9401285 | 1150 | nothing: |
bd6f78b2 | 1151 | dprint(FD_VERIFY, "get_next_verify: empty\n"); |
e29d1b70 JA |
1152 | return 1; |
1153 | } | |
e8462bd8 | 1154 | |
dc5bfbb2 JA |
1155 | void fio_verify_init(struct thread_data *td) |
1156 | { | |
1157 | if (td->o.verify == VERIFY_CRC32C_INTEL || | |
1158 | td->o.verify == VERIFY_CRC32C) { | |
1159 | crc32c_intel_probe(); | |
1160 | } | |
1161 | } | |
1162 | ||
e8462bd8 JA |
1163 | static void *verify_async_thread(void *data) |
1164 | { | |
1165 | struct thread_data *td = data; | |
1166 | struct io_u *io_u; | |
1167 | int ret = 0; | |
1168 | ||
1169 | if (td->o.verify_cpumask_set && | |
1170 | fio_setaffinity(td->pid, td->o.verify_cpumask)) { | |
1171 | log_err("fio: failed setting verify thread affinity\n"); | |
1172 | goto done; | |
1173 | } | |
1174 | ||
1175 | do { | |
e53ab27c JA |
1176 | FLIST_HEAD(list); |
1177 | ||
e8462bd8 JA |
1178 | read_barrier(); |
1179 | if (td->verify_thread_exit) | |
1180 | break; | |
1181 | ||
1182 | pthread_mutex_lock(&td->io_u_lock); | |
1183 | ||
1184 | while (flist_empty(&td->verify_list) && | |
1185 | !td->verify_thread_exit) { | |
b36e298b JA |
1186 | ret = pthread_cond_wait(&td->verify_cond, |
1187 | &td->io_u_lock); | |
e8462bd8 JA |
1188 | if (ret) { |
1189 | pthread_mutex_unlock(&td->io_u_lock); | |
1190 | break; | |
1191 | } | |
1192 | } | |
1193 | ||
e53ab27c JA |
1194 | flist_splice_init(&td->verify_list, &list); |
1195 | pthread_mutex_unlock(&td->io_u_lock); | |
1196 | ||
1197 | if (flist_empty(&list)) | |
e8462bd8 | 1198 | continue; |
e8462bd8 | 1199 | |
e53ab27c | 1200 | while (!flist_empty(&list)) { |
9342d5f8 | 1201 | io_u = flist_first_entry(&list, struct io_u, verify_list); |
f8b0bd10 JA |
1202 | flist_del_init(&io_u->verify_list); |
1203 | ||
1204 | io_u->flags |= IO_U_F_NO_FILE_PUT; | |
1205 | ret = verify_io_u(td, &io_u); | |
e8462bd8 | 1206 | |
e53ab27c | 1207 | put_io_u(td, io_u); |
d561f2ab JA |
1208 | if (!ret) |
1209 | continue; | |
8b28bd41 | 1210 | if (td_non_fatal_error(td, ERROR_TYPE_VERIFY_BIT, ret)) { |
d561f2ab JA |
1211 | update_error_count(td, ret); |
1212 | td_clear_error(td); | |
1213 | ret = 0; | |
1214 | } | |
e53ab27c | 1215 | } |
e8462bd8 JA |
1216 | } while (!ret); |
1217 | ||
d561f2ab JA |
1218 | if (ret) { |
1219 | td_verror(td, ret, "async_verify"); | |
f3e6cb95 | 1220 | if (td->o.verify_fatal) |
ebea2133 | 1221 | fio_mark_td_terminate(td); |
d561f2ab JA |
1222 | } |
1223 | ||
e8462bd8 JA |
1224 | done: |
1225 | pthread_mutex_lock(&td->io_u_lock); | |
1226 | td->nr_verify_threads--; | |
1227 | pthread_mutex_unlock(&td->io_u_lock); | |
1228 | ||
1229 | pthread_cond_signal(&td->free_cond); | |
1230 | return NULL; | |
1231 | } | |
1232 | ||
1233 | int verify_async_init(struct thread_data *td) | |
1234 | { | |
1235 | int i, ret; | |
304a47c7 VA |
1236 | pthread_attr_t attr; |
1237 | ||
1238 | pthread_attr_init(&attr); | |
1239 | pthread_attr_setstacksize(&attr, PTHREAD_STACK_MIN); | |
e8462bd8 JA |
1240 | |
1241 | td->verify_thread_exit = 0; | |
1242 | ||
1243 | td->verify_threads = malloc(sizeof(pthread_t) * td->o.verify_async); | |
1244 | for (i = 0; i < td->o.verify_async; i++) { | |
304a47c7 | 1245 | ret = pthread_create(&td->verify_threads[i], &attr, |
e8462bd8 JA |
1246 | verify_async_thread, td); |
1247 | if (ret) { | |
1248 | log_err("fio: async verify creation failed: %s\n", | |
1249 | strerror(ret)); | |
1250 | break; | |
1251 | } | |
1252 | ret = pthread_detach(td->verify_threads[i]); | |
1253 | if (ret) { | |
1254 | log_err("fio: async verify thread detach failed: %s\n", | |
1255 | strerror(ret)); | |
1256 | break; | |
1257 | } | |
1258 | td->nr_verify_threads++; | |
1259 | } | |
1260 | ||
304a47c7 VA |
1261 | pthread_attr_destroy(&attr); |
1262 | ||
e8462bd8 | 1263 | if (i != td->o.verify_async) { |
e40823b1 | 1264 | log_err("fio: only %d verify threads started, exiting\n", i); |
e8462bd8 JA |
1265 | td->verify_thread_exit = 1; |
1266 | write_barrier(); | |
1267 | pthread_cond_broadcast(&td->verify_cond); | |
1268 | return 1; | |
1269 | } | |
1270 | ||
1271 | return 0; | |
1272 | } | |
1273 | ||
1274 | void verify_async_exit(struct thread_data *td) | |
1275 | { | |
1276 | td->verify_thread_exit = 1; | |
1277 | write_barrier(); | |
1278 | pthread_cond_broadcast(&td->verify_cond); | |
1279 | ||
1280 | pthread_mutex_lock(&td->io_u_lock); | |
1281 | ||
1282 | while (td->nr_verify_threads) | |
1283 | pthread_cond_wait(&td->free_cond, &td->io_u_lock); | |
1284 | ||
1285 | pthread_mutex_unlock(&td->io_u_lock); | |
1286 | free(td->verify_threads); | |
1287 | td->verify_threads = NULL; | |
1288 | } |