Commit | Line | Data |
---|---|---|
e29d1b70 JA |
1 | /* |
2 | * IO verification helpers | |
3 | */ | |
4 | #include <unistd.h> | |
5 | #include <fcntl.h> | |
6 | #include <string.h> | |
97af62ce | 7 | #include <assert.h> |
e8462bd8 | 8 | #include <pthread.h> |
79402a12 | 9 | #include <libgen.h> |
e29d1b70 JA |
10 | |
11 | #include "fio.h" | |
4f5af7b2 | 12 | #include "verify.h" |
0d29de83 | 13 | #include "trim.h" |
637ef8d9 | 14 | #include "lib/rand.h" |
51aa2da8 | 15 | #include "lib/hweight.h" |
2cac8fcb | 16 | #include "lib/pattern.h" |
e29d1b70 | 17 | |
eef6eea1 JA |
18 | #include "crc/md5.h" |
19 | #include "crc/crc64.h" | |
20 | #include "crc/crc32.h" | |
bac39e0e | 21 | #include "crc/crc32c.h" |
eef6eea1 JA |
22 | #include "crc/crc16.h" |
23 | #include "crc/crc7.h" | |
24 | #include "crc/sha256.h" | |
25 | #include "crc/sha512.h" | |
7c353ceb | 26 | #include "crc/sha1.h" |
844ea602 | 27 | #include "crc/xxhash.h" |
ae3a5acc | 28 | #include "crc/sha3.h" |
cd14cc10 | 29 | |
7d9fb455 JA |
30 | static void populate_hdr(struct thread_data *td, struct io_u *io_u, |
31 | struct verify_header *hdr, unsigned int header_num, | |
32 | unsigned int header_len); | |
b638d82f RP |
33 | static void fill_hdr(struct thread_data *td, struct io_u *io_u, |
34 | struct verify_header *hdr, unsigned int header_num, | |
35 | unsigned int header_len, uint64_t rand_seed); | |
36 | static void __fill_hdr(struct thread_data *td, struct io_u *io_u, | |
37 | struct verify_header *hdr, unsigned int header_num, | |
38 | unsigned int header_len, uint64_t rand_seed); | |
7d9fb455 | 39 | |
ce35b1ec JA |
40 | void fill_buffer_pattern(struct thread_data *td, void *p, unsigned int len) |
41 | { | |
2cac8fcb | 42 | (void)cpy_pattern(td->o.buffer_pattern, td->o.buffer_pattern_bytes, p, len); |
ce35b1ec JA |
43 | } |
44 | ||
a89ba4b1 JA |
45 | static void __fill_buffer(struct thread_options *o, unsigned long seed, void *p, |
46 | unsigned int len) | |
7fa085ea JA |
47 | { |
48 | __fill_random_buf_percentage(seed, p, o->compress_percentage, len, len, o->buffer_pattern, o->buffer_pattern_bytes); | |
49 | } | |
50 | ||
a89ba4b1 JA |
51 | static unsigned long fill_buffer(struct thread_data *td, void *p, |
52 | unsigned int len) | |
7fa085ea JA |
53 | { |
54 | struct frand_state *fs = &td->verify_state; | |
55 | struct thread_options *o = &td->o; | |
56 | ||
57 | return fill_random_buf_percentage(fs, p, o->compress_percentage, len, len, o->buffer_pattern, o->buffer_pattern_bytes); | |
58 | } | |
59 | ||
ce35b1ec JA |
60 | void fill_verify_pattern(struct thread_data *td, void *p, unsigned int len, |
61 | struct io_u *io_u, unsigned long seed, int use_seed) | |
62 | { | |
bc769898 JA |
63 | struct thread_options *o = &td->o; |
64 | ||
65 | if (!o->verify_pattern_bytes) { | |
ce35b1ec JA |
66 | dprint(FD_VERIFY, "fill random bytes len=%u\n", len); |
67 | ||
68 | if (use_seed) | |
7fa085ea JA |
69 | __fill_buffer(o, seed, p, len); |
70 | else | |
71 | io_u->rand_seed = fill_buffer(td, p, len); | |
ce35b1ec JA |
72 | return; |
73 | } | |
c4b6117b | 74 | |
61b9861d RP |
75 | /* Skip if we were here and we do not need to patch pattern |
76 | * with format */ | |
77 | if (!td->o.verify_fmt_sz && io_u->buf_filled_len >= len) { | |
ce35b1ec | 78 | dprint(FD_VERIFY, "using already filled verify pattern b=%d len=%u\n", |
bc769898 | 79 | o->verify_pattern_bytes, len); |
ce35b1ec JA |
80 | return; |
81 | } | |
82 | ||
61b9861d RP |
83 | (void)paste_format(td->o.verify_pattern, td->o.verify_pattern_bytes, |
84 | td->o.verify_fmt, td->o.verify_fmt_sz, | |
85 | p, len, io_u); | |
ce35b1ec JA |
86 | io_u->buf_filled_len = len; |
87 | } | |
88 | ||
cfbcd0dc JA |
89 | static unsigned int get_hdr_inc(struct thread_data *td, struct io_u *io_u) |
90 | { | |
91 | unsigned int hdr_inc; | |
92 | ||
93 | hdr_inc = io_u->buflen; | |
8a99fdf6 | 94 | if (td->o.verify_interval && td->o.verify_interval <= io_u->buflen) |
cfbcd0dc JA |
95 | hdr_inc = td->o.verify_interval; |
96 | ||
97 | return hdr_inc; | |
98 | } | |
99 | ||
c50ca7bd JA |
100 | static void fill_pattern_headers(struct thread_data *td, struct io_u *io_u, |
101 | unsigned long seed, int use_seed) | |
102 | { | |
103 | unsigned int hdr_inc, header_num; | |
104 | struct verify_header *hdr; | |
105 | void *p = io_u->buf; | |
106 | ||
ce35b1ec | 107 | fill_verify_pattern(td, p, io_u->buflen, io_u, seed, use_seed); |
c50ca7bd | 108 | |
cfbcd0dc | 109 | hdr_inc = get_hdr_inc(td, io_u); |
c50ca7bd JA |
110 | header_num = 0; |
111 | for (; p < io_u->buf + io_u->buflen; p += hdr_inc) { | |
112 | hdr = p; | |
113 | populate_hdr(td, io_u, hdr, header_num, hdr_inc); | |
114 | header_num++; | |
115 | } | |
116 | } | |
117 | ||
4764aec9 | 118 | static void memswp(void *buf1, void *buf2, unsigned int len) |
546a9142 | 119 | { |
dee6de74 SL |
120 | char swap[200]; |
121 | ||
122 | assert(len <= sizeof(swap)); | |
90059d65 | 123 | |
546a9142 SL |
124 | memcpy(&swap, buf1, len); |
125 | memcpy(buf1, buf2, len); | |
126 | memcpy(buf2, &swap, len); | |
127 | } | |
128 | ||
e29d1b70 JA |
129 | static void hexdump(void *buffer, int len) |
130 | { | |
131 | unsigned char *p = buffer; | |
132 | int i; | |
133 | ||
134 | for (i = 0; i < len; i++) | |
bfacf389 JA |
135 | log_err("%02x", p[i]); |
136 | log_err("\n"); | |
e29d1b70 JA |
137 | } |
138 | ||
87677832 | 139 | /* |
de8f6de9 | 140 | * Prepare for separation of verify_header and checksum header |
87677832 | 141 | */ |
546dfd9f | 142 | static inline unsigned int __hdr_size(int verify_type) |
87677832 | 143 | { |
03e20d68 | 144 | unsigned int len = 0; |
87677832 | 145 | |
546dfd9f JA |
146 | switch (verify_type) { |
147 | case VERIFY_NONE: | |
b638d82f | 148 | case VERIFY_HDR_ONLY: |
546dfd9f | 149 | case VERIFY_NULL: |
ed3a433d | 150 | case VERIFY_PATTERN: |
546dfd9f JA |
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; | |
ae3a5acc JA |
176 | case VERIFY_SHA3_224: |
177 | len = sizeof(struct vhdr_sha3_224); | |
178 | break; | |
179 | case VERIFY_SHA3_256: | |
180 | len = sizeof(struct vhdr_sha3_256); | |
181 | break; | |
182 | case VERIFY_SHA3_384: | |
183 | len = sizeof(struct vhdr_sha3_384); | |
184 | break; | |
185 | case VERIFY_SHA3_512: | |
186 | len = sizeof(struct vhdr_sha3_512); | |
187 | break; | |
844ea602 JA |
188 | case VERIFY_XXHASH: |
189 | len = sizeof(struct vhdr_xxhash); | |
190 | break; | |
7c353ceb JA |
191 | case VERIFY_SHA1: |
192 | len = sizeof(struct vhdr_sha1); | |
193 | break; | |
59245381 | 194 | case VERIFY_PATTERN_NO_HDR: |
ed3a433d | 195 | return 0; |
546dfd9f JA |
196 | default: |
197 | log_err("fio: unknown verify header!\n"); | |
198 | assert(0); | |
199 | } | |
200 | ||
201 | return len + sizeof(struct verify_header); | |
87677832 JA |
202 | } |
203 | ||
ed3a433d JA |
204 | static inline unsigned int hdr_size(struct thread_data *td, |
205 | struct verify_header *hdr) | |
87677832 | 206 | { |
ed3a433d JA |
207 | if (td->o.verify == VERIFY_PATTERN_NO_HDR) |
208 | return 0; | |
209 | ||
546dfd9f JA |
210 | return __hdr_size(hdr->verify_type); |
211 | } | |
212 | ||
213 | static void *hdr_priv(struct verify_header *hdr) | |
214 | { | |
215 | void *priv = hdr; | |
216 | ||
217 | return priv + sizeof(struct verify_header); | |
87677832 JA |
218 | } |
219 | ||
936216f8 JA |
220 | /* |
221 | * Verify container, pass info to verify handlers and allow them to | |
222 | * pass info back in case of error | |
223 | */ | |
224 | struct vcont { | |
225 | /* | |
226 | * Input | |
227 | */ | |
228 | struct io_u *io_u; | |
229 | unsigned int hdr_num; | |
7d9fb455 | 230 | struct thread_data *td; |
936216f8 JA |
231 | |
232 | /* | |
233 | * Output, only valid in case of error | |
234 | */ | |
bfacf389 JA |
235 | const char *name; |
236 | void *good_crc; | |
237 | void *bad_crc; | |
936216f8 JA |
238 | unsigned int crc_len; |
239 | }; | |
240 | ||
dacbbb88 JA |
241 | #define DUMP_BUF_SZ 255 |
242 | static int dump_buf_warned; | |
243 | ||
c50ca7bd JA |
244 | static void dump_buf(char *buf, unsigned int len, unsigned long long offset, |
245 | const char *type, struct fio_file *f) | |
7d9fb455 | 246 | { |
dacbbb88 JA |
247 | char *ptr, fname[DUMP_BUF_SZ]; |
248 | size_t buf_left = DUMP_BUF_SZ; | |
7d9fb455 JA |
249 | int ret, fd; |
250 | ||
6f260b31 | 251 | ptr = strdup(f->file_name); |
c50ca7bd | 252 | |
d264264a JA |
253 | memset(fname, 0, sizeof(fname)); |
254 | if (aux_path) | |
255 | sprintf(fname, "%s%s", aux_path, FIO_OS_PATH_SEPARATOR); | |
256 | ||
257 | strncpy(fname + strlen(fname), basename(ptr), buf_left - 1); | |
dacbbb88 JA |
258 | |
259 | buf_left -= strlen(fname); | |
260 | if (buf_left <= 0) { | |
261 | if (!dump_buf_warned) { | |
262 | log_err("fio: verify failure dump buffer too small\n"); | |
263 | dump_buf_warned = 1; | |
264 | } | |
265 | free(ptr); | |
266 | return; | |
267 | } | |
268 | ||
269 | snprintf(fname + strlen(fname), buf_left, ".%llu.%s", offset, type); | |
7d9fb455 JA |
270 | |
271 | fd = open(fname, O_CREAT | O_TRUNC | O_WRONLY, 0644); | |
272 | if (fd < 0) { | |
273 | perror("open verify buf file"); | |
5bb51e60 | 274 | free(ptr); |
7d9fb455 JA |
275 | return; |
276 | } | |
277 | ||
278 | while (len) { | |
279 | ret = write(fd, buf, len); | |
280 | if (!ret) | |
281 | break; | |
282 | else if (ret < 0) { | |
283 | perror("write verify buf file"); | |
284 | break; | |
285 | } | |
286 | len -= ret; | |
287 | buf += ret; | |
288 | } | |
289 | ||
290 | close(fd); | |
c50ca7bd | 291 | log_err(" %s data dumped as %s\n", type, fname); |
6f260b31 | 292 | free(ptr); |
7d9fb455 JA |
293 | } |
294 | ||
c50ca7bd JA |
295 | /* |
296 | * Dump the contents of the read block and re-generate the correct data | |
297 | * and dump that too. | |
298 | */ | |
9ba987cc | 299 | static void __dump_verify_buffers(struct verify_header *hdr, struct vcont *vc) |
7d9fb455 JA |
300 | { |
301 | struct thread_data *td = vc->td; | |
302 | struct io_u *io_u = vc->io_u; | |
303 | unsigned long hdr_offset; | |
7d9fb455 | 304 | struct io_u dummy; |
c50ca7bd | 305 | void *buf; |
7d9fb455 | 306 | |
0dce9bc9 SL |
307 | if (!td->o.verify_dump) |
308 | return; | |
309 | ||
c50ca7bd JA |
310 | /* |
311 | * Dump the contents we just read off disk | |
312 | */ | |
7d9fb455 JA |
313 | hdr_offset = vc->hdr_num * hdr->len; |
314 | ||
c50ca7bd JA |
315 | dump_buf(io_u->buf + hdr_offset, hdr->len, io_u->offset + hdr_offset, |
316 | "received", vc->io_u->file); | |
7d9fb455 | 317 | |
c50ca7bd JA |
318 | /* |
319 | * Allocate a new buf and re-generate the original data | |
320 | */ | |
321 | buf = malloc(io_u->buflen); | |
7d9fb455 | 322 | dummy = *io_u; |
c50ca7bd | 323 | dummy.buf = buf; |
4aae38a6 | 324 | dummy.rand_seed = hdr->rand_seed; |
cfbcd0dc | 325 | dummy.buf_filled_len = 0; |
0d81daf9 | 326 | dummy.buflen = io_u->buflen; |
7d9fb455 | 327 | |
c50ca7bd | 328 | fill_pattern_headers(td, &dummy, hdr->rand_seed, 1); |
7d9fb455 | 329 | |
c50ca7bd JA |
330 | dump_buf(buf + hdr_offset, hdr->len, io_u->offset + hdr_offset, |
331 | "expected", vc->io_u->file); | |
7d9fb455 JA |
332 | free(buf); |
333 | } | |
334 | ||
9ba987cc JA |
335 | static void dump_verify_buffers(struct verify_header *hdr, struct vcont *vc) |
336 | { | |
337 | struct thread_data *td = vc->td; | |
338 | struct verify_header shdr; | |
339 | ||
340 | if (td->o.verify == VERIFY_PATTERN_NO_HDR) { | |
b638d82f | 341 | __fill_hdr(td, vc->io_u, &shdr, 0, vc->io_u->buflen, 0); |
9ba987cc JA |
342 | hdr = &shdr; |
343 | } | |
344 | ||
345 | __dump_verify_buffers(hdr, vc); | |
346 | } | |
347 | ||
bfacf389 JA |
348 | static void log_verify_failure(struct verify_header *hdr, struct vcont *vc) |
349 | { | |
350 | unsigned long long offset; | |
351 | ||
352 | offset = vc->io_u->offset; | |
353 | offset += vc->hdr_num * hdr->len; | |
32c17adf JA |
354 | log_err("%.8s: verify failed at file %s offset %llu, length %u\n", |
355 | vc->name, vc->io_u->file->file_name, offset, hdr->len); | |
bfacf389 JA |
356 | |
357 | if (vc->good_crc && vc->bad_crc) { | |
358 | log_err(" Expected CRC: "); | |
359 | hexdump(vc->good_crc, vc->crc_len); | |
360 | log_err(" Received CRC: "); | |
361 | hexdump(vc->bad_crc, vc->crc_len); | |
362 | } | |
7d9fb455 JA |
363 | |
364 | dump_verify_buffers(hdr, vc); | |
bfacf389 JA |
365 | } |
366 | ||
d9f2caf3 JA |
367 | /* |
368 | * Return data area 'header_num' | |
369 | */ | |
936216f8 | 370 | static inline void *io_u_verify_off(struct verify_header *hdr, struct vcont *vc) |
d9f2caf3 | 371 | { |
ed3a433d | 372 | return vc->io_u->buf + vc->hdr_num * hdr->len + hdr_size(vc->td, hdr); |
d9f2caf3 JA |
373 | } |
374 | ||
92bf48d5 JA |
375 | static int verify_io_u_pattern(struct verify_header *hdr, struct vcont *vc) |
376 | { | |
377 | struct thread_data *td = vc->td; | |
378 | struct io_u *io_u = vc->io_u; | |
379 | char *buf, *pattern; | |
2b13e716 | 380 | unsigned int header_size = __hdr_size(td->o.verify); |
25276497 RP |
381 | unsigned int len, mod, i, pattern_size; |
382 | int rc; | |
92bf48d5 JA |
383 | |
384 | pattern = td->o.verify_pattern; | |
9a2a86d0 | 385 | pattern_size = td->o.verify_pattern_bytes; |
61b9861d RP |
386 | assert(pattern_size != 0); |
387 | ||
388 | (void)paste_format_inplace(pattern, pattern_size, | |
389 | td->o.verify_fmt, td->o.verify_fmt_sz, io_u); | |
390 | ||
2b13e716 JA |
391 | buf = (void *) hdr + header_size; |
392 | len = get_hdr_inc(td, io_u) - header_size; | |
61b9861d | 393 | mod = (get_hdr_inc(td, io_u) * vc->hdr_num + header_size) % pattern_size; |
9a2a86d0 | 394 | |
25276497 RP |
395 | rc = cmp_pattern(pattern, pattern_size, mod, buf, len); |
396 | if (!rc) | |
397 | return 0; | |
92bf48d5 | 398 | |
25276497 RP |
399 | /* Slow path, compare each byte */ |
400 | for (i = 0; i < len; i++) { | |
92bf48d5 JA |
401 | if (buf[i] != pattern[mod]) { |
402 | unsigned int bits; | |
403 | ||
404 | bits = hweight8(buf[i] ^ pattern[mod]); | |
25276497 RP |
405 | log_err("fio: got pattern '%02x', wanted '%02x'. Bad bits %d\n", |
406 | (unsigned char)buf[i], | |
407 | (unsigned char)pattern[mod], | |
408 | bits); | |
92bf48d5 | 409 | log_err("fio: bad pattern block offset %u\n", i); |
7ea0a9ad | 410 | vc->name = "pattern"; |
d0c8ccb0 | 411 | log_verify_failure(hdr, vc); |
92bf48d5 JA |
412 | return EILSEQ; |
413 | } | |
414 | mod++; | |
415 | if (mod == td->o.verify_pattern_bytes) | |
416 | mod = 0; | |
417 | } | |
418 | ||
25276497 RP |
419 | /* Unreachable line */ |
420 | assert(0); | |
421 | return EILSEQ; | |
92bf48d5 JA |
422 | } |
423 | ||
844ea602 JA |
424 | static int verify_io_u_xxhash(struct verify_header *hdr, struct vcont *vc) |
425 | { | |
426 | void *p = io_u_verify_off(hdr, vc); | |
427 | struct vhdr_xxhash *vh = hdr_priv(hdr); | |
428 | uint32_t hash; | |
429 | void *state; | |
430 | ||
431 | dprint(FD_VERIFY, "xxhash verify io_u %p, len %u\n", vc->io_u, hdr->len); | |
432 | ||
433 | state = XXH32_init(1); | |
ed3a433d | 434 | XXH32_update(state, p, hdr->len - hdr_size(vc->td, hdr)); |
844ea602 JA |
435 | hash = XXH32_digest(state); |
436 | ||
437 | if (vh->hash == hash) | |
438 | return 0; | |
439 | ||
440 | vc->name = "xxhash"; | |
441 | vc->good_crc = &vh->hash; | |
442 | vc->bad_crc = &hash; | |
443 | vc->crc_len = sizeof(hash); | |
444 | log_verify_failure(hdr, vc); | |
445 | return EILSEQ; | |
446 | } | |
447 | ||
ae3a5acc JA |
448 | static int verify_io_u_sha3(struct verify_header *hdr, struct vcont *vc, |
449 | struct fio_sha3_ctx *sha3_ctx, uint8_t *sha, | |
450 | unsigned int sha_size, const char *name) | |
451 | { | |
452 | void *p = io_u_verify_off(hdr, vc); | |
453 | ||
454 | dprint(FD_VERIFY, "%s verify io_u %p, len %u\n", name, vc->io_u, hdr->len); | |
455 | ||
456 | fio_sha3_update(sha3_ctx, p, hdr->len - hdr_size(vc->td, hdr)); | |
457 | fio_sha3_final(sha3_ctx); | |
458 | ||
459 | if (!memcmp(sha, sha3_ctx->sha, sha_size)) | |
460 | return 0; | |
461 | ||
462 | vc->name = name; | |
463 | vc->good_crc = sha; | |
464 | vc->bad_crc = sha3_ctx->sha; | |
465 | vc->crc_len = sha_size; | |
466 | log_verify_failure(hdr, vc); | |
467 | return EILSEQ; | |
468 | } | |
469 | ||
470 | static int verify_io_u_sha3_224(struct verify_header *hdr, struct vcont *vc) | |
471 | { | |
472 | struct vhdr_sha3_224 *vh = hdr_priv(hdr); | |
473 | uint8_t sha[SHA3_224_DIGEST_SIZE]; | |
474 | struct fio_sha3_ctx sha3_ctx = { | |
475 | .sha = sha, | |
476 | }; | |
477 | ||
478 | fio_sha3_224_init(&sha3_ctx); | |
479 | ||
480 | return verify_io_u_sha3(hdr, vc, &sha3_ctx, vh->sha, | |
481 | SHA3_224_DIGEST_SIZE, "sha3-224"); | |
482 | } | |
483 | ||
484 | static int verify_io_u_sha3_256(struct verify_header *hdr, struct vcont *vc) | |
485 | { | |
486 | struct vhdr_sha3_256 *vh = hdr_priv(hdr); | |
487 | uint8_t sha[SHA3_256_DIGEST_SIZE]; | |
488 | struct fio_sha3_ctx sha3_ctx = { | |
489 | .sha = sha, | |
490 | }; | |
491 | ||
492 | fio_sha3_256_init(&sha3_ctx); | |
493 | ||
494 | return verify_io_u_sha3(hdr, vc, &sha3_ctx, vh->sha, | |
495 | SHA3_256_DIGEST_SIZE, "sha3-256"); | |
496 | } | |
497 | ||
498 | static int verify_io_u_sha3_384(struct verify_header *hdr, struct vcont *vc) | |
499 | { | |
500 | struct vhdr_sha3_384 *vh = hdr_priv(hdr); | |
501 | uint8_t sha[SHA3_384_DIGEST_SIZE]; | |
502 | struct fio_sha3_ctx sha3_ctx = { | |
503 | .sha = sha, | |
504 | }; | |
505 | ||
506 | fio_sha3_384_init(&sha3_ctx); | |
507 | ||
508 | return verify_io_u_sha3(hdr, vc, &sha3_ctx, vh->sha, | |
509 | SHA3_384_DIGEST_SIZE, "sha3-384"); | |
510 | } | |
511 | ||
512 | static int verify_io_u_sha3_512(struct verify_header *hdr, struct vcont *vc) | |
513 | { | |
514 | struct vhdr_sha3_512 *vh = hdr_priv(hdr); | |
515 | uint8_t sha[SHA3_512_DIGEST_SIZE]; | |
516 | struct fio_sha3_ctx sha3_ctx = { | |
517 | .sha = sha, | |
518 | }; | |
519 | ||
520 | fio_sha3_512_init(&sha3_ctx); | |
521 | ||
522 | return verify_io_u_sha3(hdr, vc, &sha3_ctx, vh->sha, | |
523 | SHA3_512_DIGEST_SIZE, "sha3-512"); | |
524 | } | |
525 | ||
936216f8 | 526 | static int verify_io_u_sha512(struct verify_header *hdr, struct vcont *vc) |
cd14cc10 | 527 | { |
936216f8 | 528 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 529 | struct vhdr_sha512 *vh = hdr_priv(hdr); |
cd14cc10 | 530 | uint8_t sha512[128]; |
25dfa848 | 531 | struct fio_sha512_ctx sha512_ctx = { |
cd14cc10 JA |
532 | .buf = sha512, |
533 | }; | |
534 | ||
936216f8 | 535 | dprint(FD_VERIFY, "sha512 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 536 | |
25dfa848 | 537 | fio_sha512_init(&sha512_ctx); |
ed3a433d | 538 | fio_sha512_update(&sha512_ctx, p, hdr->len - hdr_size(vc->td, hdr)); |
cd14cc10 | 539 | |
bfacf389 JA |
540 | if (!memcmp(vh->sha512, sha512_ctx.buf, sizeof(sha512))) |
541 | return 0; | |
cd14cc10 | 542 | |
bfacf389 JA |
543 | vc->name = "sha512"; |
544 | vc->good_crc = vh->sha512; | |
545 | vc->bad_crc = sha512_ctx.buf; | |
546 | vc->crc_len = sizeof(vh->sha512); | |
547 | log_verify_failure(hdr, vc); | |
548 | return EILSEQ; | |
cd14cc10 JA |
549 | } |
550 | ||
936216f8 | 551 | static int verify_io_u_sha256(struct verify_header *hdr, struct vcont *vc) |
cd14cc10 | 552 | { |
936216f8 | 553 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 554 | struct vhdr_sha256 *vh = hdr_priv(hdr); |
bc77f56f | 555 | uint8_t sha256[64]; |
25dfa848 | 556 | struct fio_sha256_ctx sha256_ctx = { |
cd14cc10 JA |
557 | .buf = sha256, |
558 | }; | |
559 | ||
936216f8 | 560 | dprint(FD_VERIFY, "sha256 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 561 | |
25dfa848 | 562 | fio_sha256_init(&sha256_ctx); |
ed3a433d | 563 | fio_sha256_update(&sha256_ctx, p, hdr->len - hdr_size(vc->td, hdr)); |
017052b6 | 564 | fio_sha256_final(&sha256_ctx); |
cd14cc10 | 565 | |
bfacf389 JA |
566 | if (!memcmp(vh->sha256, sha256_ctx.buf, sizeof(sha256))) |
567 | return 0; | |
cd14cc10 | 568 | |
bfacf389 JA |
569 | vc->name = "sha256"; |
570 | vc->good_crc = vh->sha256; | |
571 | vc->bad_crc = sha256_ctx.buf; | |
572 | vc->crc_len = sizeof(vh->sha256); | |
573 | log_verify_failure(hdr, vc); | |
574 | return EILSEQ; | |
cd14cc10 JA |
575 | } |
576 | ||
936216f8 | 577 | static int verify_io_u_sha1(struct verify_header *hdr, struct vcont *vc) |
7c353ceb | 578 | { |
936216f8 | 579 | void *p = io_u_verify_off(hdr, vc); |
7c353ceb JA |
580 | struct vhdr_sha1 *vh = hdr_priv(hdr); |
581 | uint32_t sha1[5]; | |
25dfa848 | 582 | struct fio_sha1_ctx sha1_ctx = { |
7c353ceb JA |
583 | .H = sha1, |
584 | }; | |
585 | ||
936216f8 | 586 | dprint(FD_VERIFY, "sha1 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
7c353ceb | 587 | |
25dfa848 | 588 | fio_sha1_init(&sha1_ctx); |
ed3a433d | 589 | fio_sha1_update(&sha1_ctx, p, hdr->len - hdr_size(vc->td, hdr)); |
017052b6 | 590 | fio_sha1_final(&sha1_ctx); |
7c353ceb | 591 | |
bfacf389 JA |
592 | if (!memcmp(vh->sha1, sha1_ctx.H, sizeof(sha1))) |
593 | return 0; | |
7c353ceb | 594 | |
bfacf389 JA |
595 | vc->name = "sha1"; |
596 | vc->good_crc = vh->sha1; | |
597 | vc->bad_crc = sha1_ctx.H; | |
598 | vc->crc_len = sizeof(vh->sha1); | |
599 | log_verify_failure(hdr, vc); | |
600 | return EILSEQ; | |
7c353ceb JA |
601 | } |
602 | ||
936216f8 | 603 | static int verify_io_u_crc7(struct verify_header *hdr, struct vcont *vc) |
1e154bdb | 604 | { |
936216f8 | 605 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 606 | struct vhdr_crc7 *vh = hdr_priv(hdr); |
1e154bdb JA |
607 | unsigned char c; |
608 | ||
936216f8 | 609 | dprint(FD_VERIFY, "crc7 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 610 | |
ed3a433d | 611 | c = fio_crc7(p, hdr->len - hdr_size(vc->td, hdr)); |
1e154bdb | 612 | |
bfacf389 JA |
613 | if (c == vh->crc7) |
614 | return 0; | |
1e154bdb | 615 | |
bfacf389 JA |
616 | vc->name = "crc7"; |
617 | vc->good_crc = &vh->crc7; | |
618 | vc->bad_crc = &c; | |
619 | vc->crc_len = 1; | |
620 | log_verify_failure(hdr, vc); | |
621 | return EILSEQ; | |
1e154bdb JA |
622 | } |
623 | ||
936216f8 | 624 | static int verify_io_u_crc16(struct verify_header *hdr, struct vcont *vc) |
969f7ed3 | 625 | { |
936216f8 | 626 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 627 | struct vhdr_crc16 *vh = hdr_priv(hdr); |
969f7ed3 JA |
628 | unsigned short c; |
629 | ||
936216f8 | 630 | dprint(FD_VERIFY, "crc16 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 631 | |
ed3a433d | 632 | c = fio_crc16(p, hdr->len - hdr_size(vc->td, hdr)); |
969f7ed3 | 633 | |
bfacf389 JA |
634 | if (c == vh->crc16) |
635 | return 0; | |
969f7ed3 | 636 | |
bfacf389 JA |
637 | vc->name = "crc16"; |
638 | vc->good_crc = &vh->crc16; | |
639 | vc->bad_crc = &c; | |
640 | vc->crc_len = 2; | |
641 | log_verify_failure(hdr, vc); | |
642 | return EILSEQ; | |
969f7ed3 JA |
643 | } |
644 | ||
936216f8 | 645 | static int verify_io_u_crc64(struct verify_header *hdr, struct vcont *vc) |
d77a7af3 | 646 | { |
936216f8 | 647 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 648 | struct vhdr_crc64 *vh = hdr_priv(hdr); |
d77a7af3 JA |
649 | unsigned long long c; |
650 | ||
936216f8 | 651 | dprint(FD_VERIFY, "crc64 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 652 | |
ed3a433d | 653 | c = fio_crc64(p, hdr->len - hdr_size(vc->td, hdr)); |
d77a7af3 | 654 | |
bfacf389 JA |
655 | if (c == vh->crc64) |
656 | return 0; | |
d77a7af3 | 657 | |
bfacf389 JA |
658 | vc->name = "crc64"; |
659 | vc->good_crc = &vh->crc64; | |
660 | vc->bad_crc = &c; | |
661 | vc->crc_len = 8; | |
662 | log_verify_failure(hdr, vc); | |
663 | return EILSEQ; | |
d77a7af3 JA |
664 | } |
665 | ||
936216f8 | 666 | static int verify_io_u_crc32(struct verify_header *hdr, struct vcont *vc) |
e29d1b70 | 667 | { |
936216f8 | 668 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f JA |
669 | struct vhdr_crc32 *vh = hdr_priv(hdr); |
670 | uint32_t c; | |
e29d1b70 | 671 | |
936216f8 | 672 | dprint(FD_VERIFY, "crc32 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 673 | |
ed3a433d | 674 | c = fio_crc32(p, hdr->len - hdr_size(vc->td, hdr)); |
e29d1b70 | 675 | |
bfacf389 JA |
676 | if (c == vh->crc32) |
677 | return 0; | |
e29d1b70 | 678 | |
bfacf389 JA |
679 | vc->name = "crc32"; |
680 | vc->good_crc = &vh->crc32; | |
681 | vc->bad_crc = &c; | |
682 | vc->crc_len = 4; | |
683 | log_verify_failure(hdr, vc); | |
684 | return EILSEQ; | |
e29d1b70 JA |
685 | } |
686 | ||
936216f8 | 687 | static int verify_io_u_crc32c(struct verify_header *hdr, struct vcont *vc) |
bac39e0e | 688 | { |
936216f8 | 689 | void *p = io_u_verify_off(hdr, vc); |
bac39e0e JA |
690 | struct vhdr_crc32 *vh = hdr_priv(hdr); |
691 | uint32_t c; | |
692 | ||
936216f8 | 693 | dprint(FD_VERIFY, "crc32c verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bac39e0e | 694 | |
ed3a433d | 695 | c = fio_crc32c(p, hdr->len - hdr_size(vc->td, hdr)); |
bac39e0e | 696 | |
bfacf389 JA |
697 | if (c == vh->crc32) |
698 | return 0; | |
bac39e0e | 699 | |
bfacf389 JA |
700 | vc->name = "crc32c"; |
701 | vc->good_crc = &vh->crc32; | |
702 | vc->bad_crc = &c; | |
703 | vc->crc_len = 4; | |
704 | log_verify_failure(hdr, vc); | |
705 | return EILSEQ; | |
bac39e0e JA |
706 | } |
707 | ||
936216f8 | 708 | static int verify_io_u_md5(struct verify_header *hdr, struct vcont *vc) |
e29d1b70 | 709 | { |
936216f8 | 710 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 711 | struct vhdr_md5 *vh = hdr_priv(hdr); |
8c432325 | 712 | uint32_t hash[MD5_HASH_WORDS]; |
25dfa848 | 713 | struct fio_md5_ctx md5_ctx = { |
8c432325 JA |
714 | .hash = hash, |
715 | }; | |
e29d1b70 | 716 | |
936216f8 | 717 | dprint(FD_VERIFY, "md5 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 718 | |
25dfa848 | 719 | fio_md5_init(&md5_ctx); |
ed3a433d | 720 | fio_md5_update(&md5_ctx, p, hdr->len - hdr_size(vc->td, hdr)); |
017052b6 | 721 | fio_md5_final(&md5_ctx); |
e29d1b70 | 722 | |
bfacf389 JA |
723 | if (!memcmp(vh->md5_digest, md5_ctx.hash, sizeof(hash))) |
724 | return 0; | |
e29d1b70 | 725 | |
bfacf389 JA |
726 | vc->name = "md5"; |
727 | vc->good_crc = vh->md5_digest; | |
728 | vc->bad_crc = md5_ctx.hash; | |
729 | vc->crc_len = sizeof(hash); | |
730 | log_verify_failure(hdr, vc); | |
731 | return EILSEQ; | |
e29d1b70 JA |
732 | } |
733 | ||
e8462bd8 JA |
734 | /* |
735 | * Push IO verification to a separate thread | |
736 | */ | |
f8b0bd10 | 737 | int verify_io_u_async(struct thread_data *td, struct io_u **io_u_ptr) |
e8462bd8 | 738 | { |
f8b0bd10 | 739 | struct io_u *io_u = *io_u_ptr; |
e8462bd8 | 740 | |
e8462bd8 | 741 | pthread_mutex_lock(&td->io_u_lock); |
d7ee2a7d | 742 | |
f8b0bd10 JA |
743 | if (io_u->file) |
744 | put_file_log(td, io_u->file); | |
745 | ||
0c41214f RR |
746 | if (io_u->flags & IO_U_F_IN_CUR_DEPTH) { |
747 | td->cur_depth--; | |
1651e431 | 748 | io_u_clear(td, io_u, IO_U_F_IN_CUR_DEPTH); |
0c41214f | 749 | } |
2ae0b204 | 750 | flist_add_tail(&io_u->verify_list, &td->verify_list); |
f8b0bd10 | 751 | *io_u_ptr = NULL; |
e8462bd8 JA |
752 | pthread_mutex_unlock(&td->io_u_lock); |
753 | ||
754 | pthread_cond_signal(&td->verify_cond); | |
e8462bd8 JA |
755 | return 0; |
756 | } | |
757 | ||
323f58c5 JA |
758 | /* |
759 | * Thanks Rusty, for spending the time so I don't have to. | |
760 | * | |
761 | * http://rusty.ozlabs.org/?p=560 | |
762 | */ | |
763 | static int mem_is_zero(const void *data, size_t length) | |
764 | { | |
765 | const unsigned char *p = data; | |
766 | size_t len; | |
767 | ||
768 | /* Check first 16 bytes manually */ | |
769 | for (len = 0; len < 16; len++) { | |
770 | if (!length) | |
771 | return 1; | |
772 | if (*p) | |
773 | return 0; | |
774 | p++; | |
775 | length--; | |
776 | } | |
777 | ||
778 | /* Now we know that's zero, memcmp with self. */ | |
779 | return memcmp(data, p, length) == 0; | |
780 | } | |
781 | ||
782 | static int mem_is_zero_slow(const void *data, size_t length, size_t *offset) | |
783 | { | |
784 | const unsigned char *p = data; | |
785 | ||
786 | *offset = 0; | |
787 | while (length) { | |
788 | if (*p) | |
789 | break; | |
790 | (*offset)++; | |
791 | length--; | |
792 | p++; | |
793 | } | |
794 | ||
795 | return !length; | |
796 | } | |
797 | ||
0d29de83 JA |
798 | static int verify_trimmed_io_u(struct thread_data *td, struct io_u *io_u) |
799 | { | |
323f58c5 | 800 | size_t offset; |
0d29de83 JA |
801 | |
802 | if (!td->o.trim_zero) | |
803 | return 0; | |
804 | ||
323f58c5 | 805 | if (mem_is_zero(io_u->buf, io_u->buflen)) |
0d29de83 JA |
806 | return 0; |
807 | ||
323f58c5 JA |
808 | mem_is_zero_slow(io_u->buf, io_u->buflen, &offset); |
809 | ||
a917a8b3 JA |
810 | log_err("trim: verify failed at file %s offset %llu, length %lu" |
811 | ", block offset %lu\n", | |
812 | io_u->file->file_name, io_u->offset, io_u->buflen, | |
323f58c5 JA |
813 | (unsigned long) offset); |
814 | return EILSEQ; | |
0d29de83 JA |
815 | } |
816 | ||
b638d82f RP |
817 | static int verify_header(struct io_u *io_u, struct thread_data *td, |
818 | struct verify_header *hdr, unsigned int hdr_num, | |
819 | unsigned int hdr_len) | |
f65d1c26 JA |
820 | { |
821 | void *p = hdr; | |
822 | uint32_t crc; | |
823 | ||
5964842c AG |
824 | if (hdr->magic != FIO_HDR_MAGIC) { |
825 | log_err("verify: bad magic header %x, wanted %x", | |
826 | hdr->magic, FIO_HDR_MAGIC); | |
827 | goto err; | |
828 | } | |
4445856a | 829 | if (hdr->len != hdr_len) { |
5964842c AG |
830 | log_err("verify: bad header length %u, wanted %u", |
831 | hdr->len, hdr_len); | |
832 | goto err; | |
833 | } | |
834 | if (hdr->rand_seed != io_u->rand_seed) { | |
835 | log_err("verify: bad header rand_seed %"PRIu64 | |
836 | ", wanted %"PRIu64, | |
837 | hdr->rand_seed, io_u->rand_seed); | |
838 | goto err; | |
839 | } | |
b638d82f RP |
840 | if (hdr->offset != io_u->offset + hdr_num * td->o.verify_interval) { |
841 | log_err("verify: bad header offset %"PRIu64 | |
842 | ", wanted %llu", | |
843 | hdr->offset, io_u->offset); | |
844 | goto err; | |
845 | } | |
846 | ||
847 | /* | |
848 | * For read-only workloads, the program cannot be certain of the | |
849 | * last numberio written to a block. Checking of numberio will be | |
850 | * done only for workloads that write data. For verify_only, | |
851 | * numberio will be checked in the last iteration when the correct | |
852 | * state of numberio, that would have been written to each block | |
853 | * in a previous run of fio, has been reached. | |
854 | */ | |
dcf9844e | 855 | if (td_write(td) && (td_min_bs(td) == td_max_bs(td)) && |
b638d82f RP |
856 | !td->o.time_based) |
857 | if (!td->o.verify_only || td->o.loops == 0) | |
858 | if (hdr->numberio != io_u->numberio) { | |
859 | log_err("verify: bad header numberio %"PRIu16 | |
860 | ", wanted %"PRIu16, | |
861 | hdr->numberio, io_u->numberio); | |
862 | goto err; | |
863 | } | |
ae38c0dc | 864 | |
25dfa848 | 865 | crc = fio_crc32c(p, offsetof(struct verify_header, crc32)); |
5964842c AG |
866 | if (crc != hdr->crc32) { |
867 | log_err("verify: bad header crc %x, calculated %x", | |
868 | hdr->crc32, crc); | |
869 | goto err; | |
870 | } | |
871 | return 0; | |
872 | ||
873 | err: | |
874 | log_err(" at file %s offset %llu, length %u\n", | |
875 | io_u->file->file_name, | |
876 | io_u->offset + hdr_num * hdr_len, hdr_len); | |
16758b59 JA |
877 | |
878 | if (td->o.verify_dump) | |
879 | dump_buf(p, hdr_len, io_u->offset + hdr_num * hdr_len, | |
880 | "hdr_fail", io_u->file); | |
881 | ||
5964842c | 882 | return EILSEQ; |
f65d1c26 JA |
883 | } |
884 | ||
f8b0bd10 | 885 | int verify_io_u(struct thread_data *td, struct io_u **io_u_ptr) |
e29d1b70 | 886 | { |
3f9f4e26 | 887 | struct verify_header *hdr; |
f8b0bd10 | 888 | struct io_u *io_u = *io_u_ptr; |
2b13e716 | 889 | unsigned int header_size, hdr_inc, hdr_num = 0; |
95646108 | 890 | void *p; |
e29d1b70 JA |
891 | int ret; |
892 | ||
1dcc0498 | 893 | if (td->o.verify == VERIFY_NULL || io_u->ddir != DDIR_READ) |
36690c9b | 894 | return 0; |
5c57c084 JA |
895 | /* |
896 | * If the IO engine is faking IO (like null), then just pretend | |
897 | * we verified everything. | |
898 | */ | |
9b87f09b | 899 | if (td_ioengine_flagged(td, FIO_FAKEIO)) |
5c57c084 JA |
900 | return 0; |
901 | ||
0d29de83 JA |
902 | if (io_u->flags & IO_U_F_TRIMMED) { |
903 | ret = verify_trimmed_io_u(td, io_u); | |
904 | goto done; | |
905 | } | |
36690c9b | 906 | |
cfbcd0dc | 907 | hdr_inc = get_hdr_inc(td, io_u); |
e29d1b70 | 908 | |
a12a3b4d | 909 | ret = 0; |
5ec10eaa JA |
910 | for (p = io_u->buf; p < io_u->buf + io_u->buflen; |
911 | p += hdr_inc, hdr_num++) { | |
bfacf389 JA |
912 | struct vcont vc = { |
913 | .io_u = io_u, | |
914 | .hdr_num = hdr_num, | |
7d9fb455 | 915 | .td = td, |
bfacf389 | 916 | }; |
f00b210f | 917 | unsigned int verify_type; |
936216f8 | 918 | |
f3e6cb95 | 919 | if (ret && td->o.verify_fatal) |
a12a3b4d | 920 | break; |
f3e6cb95 | 921 | |
2b13e716 | 922 | header_size = __hdr_size(td->o.verify); |
a59e170d | 923 | if (td->o.verify_offset) |
2b13e716 | 924 | memswp(p, p + td->o.verify_offset, header_size); |
95646108 | 925 | hdr = p; |
e29d1b70 | 926 | |
c4b6117b PV |
927 | /* |
928 | * Make rand_seed check pass when have verifysort or | |
929 | * verify_backlog. | |
930 | */ | |
931 | if (td->o.verifysort || (td->flags & TD_F_VER_BACKLOG)) | |
932 | io_u->rand_seed = hdr->rand_seed; | |
933 | ||
59245381 | 934 | if (td->o.verify != VERIFY_PATTERN_NO_HDR) { |
b638d82f | 935 | ret = verify_header(io_u, td, hdr, hdr_num, hdr_inc); |
59245381 JA |
936 | if (ret) |
937 | return ret; | |
938 | } | |
3f199b01 | 939 | |
f00b210f JA |
940 | if (td->o.verify != VERIFY_NONE) |
941 | verify_type = td->o.verify; | |
942 | else | |
943 | verify_type = hdr->verify_type; | |
944 | ||
945 | switch (verify_type) { | |
b638d82f RP |
946 | case VERIFY_HDR_ONLY: |
947 | /* Header is always verified, check if pattern is left | |
948 | * for verification. */ | |
949 | if (td->o.verify_pattern_bytes) | |
950 | ret = verify_io_u_pattern(hdr, &vc); | |
951 | break; | |
3f9f4e26 | 952 | case VERIFY_MD5: |
936216f8 | 953 | ret = verify_io_u_md5(hdr, &vc); |
3f9f4e26 SL |
954 | break; |
955 | case VERIFY_CRC64: | |
936216f8 | 956 | ret = verify_io_u_crc64(hdr, &vc); |
3f9f4e26 | 957 | break; |
bac39e0e | 958 | case VERIFY_CRC32C: |
3845591f | 959 | case VERIFY_CRC32C_INTEL: |
936216f8 | 960 | ret = verify_io_u_crc32c(hdr, &vc); |
bac39e0e | 961 | break; |
3f9f4e26 | 962 | case VERIFY_CRC32: |
936216f8 | 963 | ret = verify_io_u_crc32(hdr, &vc); |
3f9f4e26 SL |
964 | break; |
965 | case VERIFY_CRC16: | |
936216f8 | 966 | ret = verify_io_u_crc16(hdr, &vc); |
3f9f4e26 SL |
967 | break; |
968 | case VERIFY_CRC7: | |
936216f8 | 969 | ret = verify_io_u_crc7(hdr, &vc); |
3f9f4e26 | 970 | break; |
cd14cc10 | 971 | case VERIFY_SHA256: |
936216f8 | 972 | ret = verify_io_u_sha256(hdr, &vc); |
cd14cc10 JA |
973 | break; |
974 | case VERIFY_SHA512: | |
936216f8 | 975 | ret = verify_io_u_sha512(hdr, &vc); |
cd14cc10 | 976 | break; |
ae3a5acc JA |
977 | case VERIFY_SHA3_224: |
978 | ret = verify_io_u_sha3_224(hdr, &vc); | |
979 | break; | |
980 | case VERIFY_SHA3_256: | |
981 | ret = verify_io_u_sha3_256(hdr, &vc); | |
982 | break; | |
983 | case VERIFY_SHA3_384: | |
984 | ret = verify_io_u_sha3_384(hdr, &vc); | |
985 | break; | |
986 | case VERIFY_SHA3_512: | |
987 | ret = verify_io_u_sha3_512(hdr, &vc); | |
988 | break; | |
844ea602 JA |
989 | case VERIFY_XXHASH: |
990 | ret = verify_io_u_xxhash(hdr, &vc); | |
991 | break; | |
7c353ceb | 992 | case VERIFY_SHA1: |
936216f8 | 993 | ret = verify_io_u_sha1(hdr, &vc); |
7c353ceb | 994 | break; |
92bf48d5 | 995 | case VERIFY_PATTERN: |
59245381 | 996 | case VERIFY_PATTERN_NO_HDR: |
92bf48d5 JA |
997 | ret = verify_io_u_pattern(hdr, &vc); |
998 | break; | |
3f9f4e26 SL |
999 | default: |
1000 | log_err("Bad verify type %u\n", hdr->verify_type); | |
d16d4e09 | 1001 | ret = EINVAL; |
3f9f4e26 | 1002 | } |
f00b210f JA |
1003 | |
1004 | if (ret && verify_type != hdr->verify_type) | |
1005 | log_err("fio: verify type mismatch (%u media, %u given)\n", | |
1006 | hdr->verify_type, verify_type); | |
3f9f4e26 | 1007 | } |
a7dfe862 | 1008 | |
0d29de83 | 1009 | done: |
f3e6cb95 | 1010 | if (ret && td->o.verify_fatal) |
ebea2133 | 1011 | fio_mark_td_terminate(td); |
f3e6cb95 | 1012 | |
a12a3b4d | 1013 | return ret; |
e29d1b70 JA |
1014 | } |
1015 | ||
844ea602 JA |
1016 | static void fill_xxhash(struct verify_header *hdr, void *p, unsigned int len) |
1017 | { | |
1018 | struct vhdr_xxhash *vh = hdr_priv(hdr); | |
1019 | void *state; | |
1020 | ||
1021 | state = XXH32_init(1); | |
1022 | XXH32_update(state, p, len); | |
1023 | vh->hash = XXH32_digest(state); | |
1024 | } | |
1025 | ||
ae3a5acc JA |
1026 | static void fill_sha3(struct fio_sha3_ctx *sha3_ctx, void *p, unsigned int len) |
1027 | { | |
1028 | fio_sha3_update(sha3_ctx, p, len); | |
1029 | fio_sha3_final(sha3_ctx); | |
1030 | } | |
1031 | ||
1032 | static void fill_sha3_224(struct verify_header *hdr, void *p, unsigned int len) | |
1033 | { | |
1034 | struct vhdr_sha3_224 *vh = hdr_priv(hdr); | |
1035 | struct fio_sha3_ctx sha3_ctx = { | |
1036 | .sha = vh->sha, | |
1037 | }; | |
1038 | ||
1039 | fio_sha3_224_init(&sha3_ctx); | |
1040 | fill_sha3(&sha3_ctx, p, len); | |
1041 | } | |
1042 | ||
1043 | static void fill_sha3_256(struct verify_header *hdr, void *p, unsigned int len) | |
1044 | { | |
1045 | struct vhdr_sha3_256 *vh = hdr_priv(hdr); | |
1046 | struct fio_sha3_ctx sha3_ctx = { | |
1047 | .sha = vh->sha, | |
1048 | }; | |
1049 | ||
1050 | fio_sha3_256_init(&sha3_ctx); | |
1051 | fill_sha3(&sha3_ctx, p, len); | |
1052 | } | |
1053 | ||
1054 | static void fill_sha3_384(struct verify_header *hdr, void *p, unsigned int len) | |
1055 | { | |
1056 | struct vhdr_sha3_384 *vh = hdr_priv(hdr); | |
1057 | struct fio_sha3_ctx sha3_ctx = { | |
1058 | .sha = vh->sha, | |
1059 | }; | |
1060 | ||
1061 | fio_sha3_384_init(&sha3_ctx); | |
1062 | fill_sha3(&sha3_ctx, p, len); | |
1063 | } | |
1064 | ||
1065 | static void fill_sha3_512(struct verify_header *hdr, void *p, unsigned int len) | |
1066 | { | |
1067 | struct vhdr_sha3_512 *vh = hdr_priv(hdr); | |
1068 | struct fio_sha3_ctx sha3_ctx = { | |
1069 | .sha = vh->sha, | |
1070 | }; | |
1071 | ||
1072 | fio_sha3_512_init(&sha3_ctx); | |
1073 | fill_sha3(&sha3_ctx, p, len); | |
1074 | } | |
1075 | ||
cd14cc10 JA |
1076 | static void fill_sha512(struct verify_header *hdr, void *p, unsigned int len) |
1077 | { | |
546dfd9f | 1078 | struct vhdr_sha512 *vh = hdr_priv(hdr); |
25dfa848 | 1079 | struct fio_sha512_ctx sha512_ctx = { |
546dfd9f | 1080 | .buf = vh->sha512, |
cd14cc10 JA |
1081 | }; |
1082 | ||
25dfa848 JA |
1083 | fio_sha512_init(&sha512_ctx); |
1084 | fio_sha512_update(&sha512_ctx, p, len); | |
cd14cc10 JA |
1085 | } |
1086 | ||
1087 | static void fill_sha256(struct verify_header *hdr, void *p, unsigned int len) | |
1088 | { | |
546dfd9f | 1089 | struct vhdr_sha256 *vh = hdr_priv(hdr); |
25dfa848 | 1090 | struct fio_sha256_ctx sha256_ctx = { |
546dfd9f | 1091 | .buf = vh->sha256, |
cd14cc10 JA |
1092 | }; |
1093 | ||
25dfa848 JA |
1094 | fio_sha256_init(&sha256_ctx); |
1095 | fio_sha256_update(&sha256_ctx, p, len); | |
017052b6 | 1096 | fio_sha256_final(&sha256_ctx); |
cd14cc10 JA |
1097 | } |
1098 | ||
7c353ceb JA |
1099 | static void fill_sha1(struct verify_header *hdr, void *p, unsigned int len) |
1100 | { | |
1101 | struct vhdr_sha1 *vh = hdr_priv(hdr); | |
25dfa848 | 1102 | struct fio_sha1_ctx sha1_ctx = { |
7c353ceb JA |
1103 | .H = vh->sha1, |
1104 | }; | |
1105 | ||
25dfa848 JA |
1106 | fio_sha1_init(&sha1_ctx); |
1107 | fio_sha1_update(&sha1_ctx, p, len); | |
017052b6 | 1108 | fio_sha1_final(&sha1_ctx); |
7c353ceb JA |
1109 | } |
1110 | ||
1e154bdb JA |
1111 | static void fill_crc7(struct verify_header *hdr, void *p, unsigned int len) |
1112 | { | |
546dfd9f JA |
1113 | struct vhdr_crc7 *vh = hdr_priv(hdr); |
1114 | ||
25dfa848 | 1115 | vh->crc7 = fio_crc7(p, len); |
1e154bdb JA |
1116 | } |
1117 | ||
969f7ed3 JA |
1118 | static void fill_crc16(struct verify_header *hdr, void *p, unsigned int len) |
1119 | { | |
546dfd9f JA |
1120 | struct vhdr_crc16 *vh = hdr_priv(hdr); |
1121 | ||
25dfa848 | 1122 | vh->crc16 = fio_crc16(p, len); |
969f7ed3 JA |
1123 | } |
1124 | ||
e29d1b70 JA |
1125 | static void fill_crc32(struct verify_header *hdr, void *p, unsigned int len) |
1126 | { | |
546dfd9f JA |
1127 | struct vhdr_crc32 *vh = hdr_priv(hdr); |
1128 | ||
25dfa848 | 1129 | vh->crc32 = fio_crc32(p, len); |
e29d1b70 JA |
1130 | } |
1131 | ||
bac39e0e JA |
1132 | static void fill_crc32c(struct verify_header *hdr, void *p, unsigned int len) |
1133 | { | |
1134 | struct vhdr_crc32 *vh = hdr_priv(hdr); | |
1135 | ||
25dfa848 | 1136 | vh->crc32 = fio_crc32c(p, len); |
bac39e0e JA |
1137 | } |
1138 | ||
d77a7af3 JA |
1139 | static void fill_crc64(struct verify_header *hdr, void *p, unsigned int len) |
1140 | { | |
546dfd9f JA |
1141 | struct vhdr_crc64 *vh = hdr_priv(hdr); |
1142 | ||
25dfa848 | 1143 | vh->crc64 = fio_crc64(p, len); |
d77a7af3 JA |
1144 | } |
1145 | ||
e29d1b70 JA |
1146 | static void fill_md5(struct verify_header *hdr, void *p, unsigned int len) |
1147 | { | |
546dfd9f | 1148 | struct vhdr_md5 *vh = hdr_priv(hdr); |
25dfa848 | 1149 | struct fio_md5_ctx md5_ctx = { |
546dfd9f | 1150 | .hash = (uint32_t *) vh->md5_digest, |
8c432325 | 1151 | }; |
e29d1b70 | 1152 | |
25dfa848 JA |
1153 | fio_md5_init(&md5_ctx); |
1154 | fio_md5_update(&md5_ctx, p, len); | |
017052b6 | 1155 | fio_md5_final(&md5_ctx); |
e29d1b70 JA |
1156 | } |
1157 | ||
b638d82f RP |
1158 | static void __fill_hdr(struct thread_data *td, struct io_u *io_u, |
1159 | struct verify_header *hdr, unsigned int header_num, | |
1160 | unsigned int header_len, uint64_t rand_seed) | |
9ba987cc JA |
1161 | { |
1162 | void *p = hdr; | |
1163 | ||
1164 | hdr->magic = FIO_HDR_MAGIC; | |
b638d82f RP |
1165 | hdr->verify_type = td->o.verify; |
1166 | hdr->len = header_len; | |
9ba987cc | 1167 | hdr->rand_seed = rand_seed; |
b638d82f RP |
1168 | hdr->offset = io_u->offset + header_num * td->o.verify_interval; |
1169 | hdr->time_sec = io_u->start_time.tv_sec; | |
8b6a404c | 1170 | hdr->time_usec = io_u->start_time.tv_nsec / 1000; |
b638d82f RP |
1171 | hdr->thread = td->thread_number; |
1172 | hdr->numberio = io_u->numberio; | |
9ba987cc JA |
1173 | hdr->crc32 = fio_crc32c(p, offsetof(struct verify_header, crc32)); |
1174 | } | |
1175 | ||
ed3a433d | 1176 | |
b638d82f RP |
1177 | static void fill_hdr(struct thread_data *td, struct io_u *io_u, |
1178 | struct verify_header *hdr, unsigned int header_num, | |
1179 | unsigned int header_len, uint64_t rand_seed) | |
ed3a433d | 1180 | { |
b638d82f RP |
1181 | |
1182 | if (td->o.verify != VERIFY_PATTERN_NO_HDR) | |
1183 | __fill_hdr(td, io_u, hdr, header_num, header_len, rand_seed); | |
ed3a433d JA |
1184 | } |
1185 | ||
7d9fb455 JA |
1186 | static void populate_hdr(struct thread_data *td, struct io_u *io_u, |
1187 | struct verify_header *hdr, unsigned int header_num, | |
1188 | unsigned int header_len) | |
1189 | { | |
1190 | unsigned int data_len; | |
1191 | void *data, *p; | |
1192 | ||
1193 | p = (void *) hdr; | |
1194 | ||
b638d82f | 1195 | fill_hdr(td, io_u, hdr, header_num, header_len, io_u->rand_seed); |
f65d1c26 | 1196 | |
ed3a433d | 1197 | data_len = header_len - hdr_size(td, hdr); |
7d9fb455 | 1198 | |
ed3a433d | 1199 | data = p + hdr_size(td, hdr); |
7d9fb455 JA |
1200 | switch (td->o.verify) { |
1201 | case VERIFY_MD5: | |
1202 | dprint(FD_VERIFY, "fill md5 io_u %p, len %u\n", | |
1203 | io_u, hdr->len); | |
1204 | fill_md5(hdr, data, data_len); | |
1205 | break; | |
1206 | case VERIFY_CRC64: | |
1207 | dprint(FD_VERIFY, "fill crc64 io_u %p, len %u\n", | |
1208 | io_u, hdr->len); | |
1209 | fill_crc64(hdr, data, data_len); | |
1210 | break; | |
1211 | case VERIFY_CRC32C: | |
1212 | case VERIFY_CRC32C_INTEL: | |
1213 | dprint(FD_VERIFY, "fill crc32c io_u %p, len %u\n", | |
1214 | io_u, hdr->len); | |
1215 | fill_crc32c(hdr, data, data_len); | |
1216 | break; | |
1217 | case VERIFY_CRC32: | |
1218 | dprint(FD_VERIFY, "fill crc32 io_u %p, len %u\n", | |
1219 | io_u, hdr->len); | |
1220 | fill_crc32(hdr, data, data_len); | |
1221 | break; | |
1222 | case VERIFY_CRC16: | |
1223 | dprint(FD_VERIFY, "fill crc16 io_u %p, len %u\n", | |
1224 | io_u, hdr->len); | |
1225 | fill_crc16(hdr, data, data_len); | |
1226 | break; | |
1227 | case VERIFY_CRC7: | |
1228 | dprint(FD_VERIFY, "fill crc7 io_u %p, len %u\n", | |
1229 | io_u, hdr->len); | |
1230 | fill_crc7(hdr, data, data_len); | |
1231 | break; | |
1232 | case VERIFY_SHA256: | |
1233 | dprint(FD_VERIFY, "fill sha256 io_u %p, len %u\n", | |
1234 | io_u, hdr->len); | |
1235 | fill_sha256(hdr, data, data_len); | |
1236 | break; | |
1237 | case VERIFY_SHA512: | |
1238 | dprint(FD_VERIFY, "fill sha512 io_u %p, len %u\n", | |
1239 | io_u, hdr->len); | |
1240 | fill_sha512(hdr, data, data_len); | |
1241 | break; | |
ae3a5acc JA |
1242 | case VERIFY_SHA3_224: |
1243 | dprint(FD_VERIFY, "fill sha3-224 io_u %p, len %u\n", | |
1244 | io_u, hdr->len); | |
1245 | fill_sha3_224(hdr, data, data_len); | |
1246 | break; | |
1247 | case VERIFY_SHA3_256: | |
1248 | dprint(FD_VERIFY, "fill sha3-256 io_u %p, len %u\n", | |
1249 | io_u, hdr->len); | |
1250 | fill_sha3_256(hdr, data, data_len); | |
1251 | break; | |
1252 | case VERIFY_SHA3_384: | |
1253 | dprint(FD_VERIFY, "fill sha3-384 io_u %p, len %u\n", | |
1254 | io_u, hdr->len); | |
1255 | fill_sha3_384(hdr, data, data_len); | |
1256 | break; | |
1257 | case VERIFY_SHA3_512: | |
1258 | dprint(FD_VERIFY, "fill sha3-512 io_u %p, len %u\n", | |
1259 | io_u, hdr->len); | |
1260 | fill_sha3_512(hdr, data, data_len); | |
1261 | break; | |
844ea602 JA |
1262 | case VERIFY_XXHASH: |
1263 | dprint(FD_VERIFY, "fill xxhash io_u %p, len %u\n", | |
1264 | io_u, hdr->len); | |
1265 | fill_xxhash(hdr, data, data_len); | |
1266 | break; | |
7d9fb455 JA |
1267 | case VERIFY_SHA1: |
1268 | dprint(FD_VERIFY, "fill sha1 io_u %p, len %u\n", | |
1269 | io_u, hdr->len); | |
1270 | fill_sha1(hdr, data, data_len); | |
1271 | break; | |
b638d82f | 1272 | case VERIFY_HDR_ONLY: |
92bf48d5 | 1273 | case VERIFY_PATTERN: |
ed3a433d | 1274 | case VERIFY_PATTERN_NO_HDR: |
92bf48d5 JA |
1275 | /* nothing to do here */ |
1276 | break; | |
7d9fb455 JA |
1277 | default: |
1278 | log_err("fio: bad verify type: %d\n", td->o.verify); | |
1279 | assert(0); | |
1280 | } | |
ed3a433d JA |
1281 | |
1282 | if (td->o.verify_offset && hdr_size(td, hdr)) | |
1283 | memswp(p, p + td->o.verify_offset, hdr_size(td, hdr)); | |
7d9fb455 JA |
1284 | } |
1285 | ||
e29d1b70 JA |
1286 | /* |
1287 | * fill body of io_u->buf with random data and add a header with the | |
c50ca7bd | 1288 | * checksum of choice |
e29d1b70 JA |
1289 | */ |
1290 | void populate_verify_io_u(struct thread_data *td, struct io_u *io_u) | |
1291 | { | |
9cc3d150 JA |
1292 | if (td->o.verify == VERIFY_NULL) |
1293 | return; | |
1294 | ||
da0a7bd2 JC |
1295 | io_u->numberio = td->io_issues[io_u->ddir]; |
1296 | ||
c50ca7bd | 1297 | fill_pattern_headers(td, io_u, 0, 0); |
e29d1b70 JA |
1298 | } |
1299 | ||
1300 | int get_next_verify(struct thread_data *td, struct io_u *io_u) | |
1301 | { | |
8de8f047 | 1302 | struct io_piece *ipo = NULL; |
e29d1b70 | 1303 | |
d2d7fa53 JA |
1304 | /* |
1305 | * this io_u is from a requeue, we already filled the offsets | |
1306 | */ | |
1307 | if (io_u->file) | |
1308 | return 0; | |
1309 | ||
8de8f047 JA |
1310 | if (!RB_EMPTY_ROOT(&td->io_hist_tree)) { |
1311 | struct rb_node *n = rb_first(&td->io_hist_tree); | |
e29d1b70 | 1312 | |
8de8f047 | 1313 | ipo = rb_entry(n, struct io_piece, rb_node); |
f9401285 JA |
1314 | |
1315 | /* | |
1316 | * Ensure that the associated IO has completed | |
1317 | */ | |
1318 | read_barrier(); | |
1319 | if (ipo->flags & IP_F_IN_FLIGHT) | |
1320 | goto nothing; | |
1321 | ||
4b87898e | 1322 | rb_erase(n, &td->io_hist_tree); |
a917a8b3 JA |
1323 | assert(ipo->flags & IP_F_ONRB); |
1324 | ipo->flags &= ~IP_F_ONRB; | |
01743ee1 | 1325 | } else if (!flist_empty(&td->io_hist_list)) { |
9342d5f8 | 1326 | ipo = flist_first_entry(&td->io_hist_list, struct io_piece, list); |
f9401285 JA |
1327 | |
1328 | /* | |
1329 | * Ensure that the associated IO has completed | |
1330 | */ | |
1331 | read_barrier(); | |
1332 | if (ipo->flags & IP_F_IN_FLIGHT) | |
1333 | goto nothing; | |
1334 | ||
01743ee1 | 1335 | flist_del(&ipo->list); |
a917a8b3 JA |
1336 | assert(ipo->flags & IP_F_ONLIST); |
1337 | ipo->flags &= ~IP_F_ONLIST; | |
8de8f047 | 1338 | } |
e29d1b70 | 1339 | |
8de8f047 | 1340 | if (ipo) { |
0d29de83 JA |
1341 | td->io_hist_len--; |
1342 | ||
e29d1b70 JA |
1343 | io_u->offset = ipo->offset; |
1344 | io_u->buflen = ipo->len; | |
da0a7bd2 | 1345 | io_u->numberio = ipo->numberio; |
36167d82 | 1346 | io_u->file = ipo->file; |
1651e431 | 1347 | io_u_set(td, io_u, IO_U_F_VER_LIST); |
97af62ce | 1348 | |
0d29de83 | 1349 | if (ipo->flags & IP_F_TRIMMED) |
1651e431 | 1350 | io_u_set(td, io_u, IO_U_F_TRIMMED); |
0d29de83 | 1351 | |
d6aed795 | 1352 | if (!fio_file_open(io_u->file)) { |
97af62ce JA |
1353 | int r = td_io_open_file(td, io_u->file); |
1354 | ||
bd6f78b2 JA |
1355 | if (r) { |
1356 | dprint(FD_VERIFY, "failed file %s open\n", | |
1357 | io_u->file->file_name); | |
97af62ce | 1358 | return 1; |
bd6f78b2 | 1359 | } |
97af62ce JA |
1360 | } |
1361 | ||
1362 | get_file(ipo->file); | |
d6aed795 | 1363 | assert(fio_file_open(io_u->file)); |
e29d1b70 | 1364 | io_u->ddir = DDIR_READ; |
36167d82 JA |
1365 | io_u->xfer_buf = io_u->buf; |
1366 | io_u->xfer_buflen = io_u->buflen; | |
0d29de83 JA |
1367 | |
1368 | remove_trim_entry(td, ipo); | |
e29d1b70 | 1369 | free(ipo); |
bd6f78b2 | 1370 | dprint(FD_VERIFY, "get_next_verify: ret io_u %p\n", io_u); |
c4b6117b PV |
1371 | |
1372 | if (!td->o.verify_pattern_bytes) { | |
d6b72507 | 1373 | io_u->rand_seed = __rand(&td->verify_state); |
c4b6117b | 1374 | if (sizeof(int) != sizeof(long *)) |
d6b72507 | 1375 | io_u->rand_seed *= __rand(&td->verify_state); |
c4b6117b | 1376 | } |
e29d1b70 JA |
1377 | return 0; |
1378 | } | |
1379 | ||
f9401285 | 1380 | nothing: |
bd6f78b2 | 1381 | dprint(FD_VERIFY, "get_next_verify: empty\n"); |
e29d1b70 JA |
1382 | return 1; |
1383 | } | |
e8462bd8 | 1384 | |
dc5bfbb2 JA |
1385 | void fio_verify_init(struct thread_data *td) |
1386 | { | |
1387 | if (td->o.verify == VERIFY_CRC32C_INTEL || | |
1388 | td->o.verify == VERIFY_CRC32C) { | |
214e2d56 | 1389 | crc32c_arm64_probe(); |
dc5bfbb2 JA |
1390 | crc32c_intel_probe(); |
1391 | } | |
1392 | } | |
1393 | ||
e8462bd8 JA |
1394 | static void *verify_async_thread(void *data) |
1395 | { | |
1396 | struct thread_data *td = data; | |
1397 | struct io_u *io_u; | |
1398 | int ret = 0; | |
1399 | ||
b2a9e649 | 1400 | if (fio_option_is_set(&td->o, verify_cpumask) && |
e8462bd8 JA |
1401 | fio_setaffinity(td->pid, td->o.verify_cpumask)) { |
1402 | log_err("fio: failed setting verify thread affinity\n"); | |
1403 | goto done; | |
1404 | } | |
1405 | ||
1406 | do { | |
e53ab27c JA |
1407 | FLIST_HEAD(list); |
1408 | ||
e8462bd8 JA |
1409 | read_barrier(); |
1410 | if (td->verify_thread_exit) | |
1411 | break; | |
1412 | ||
1413 | pthread_mutex_lock(&td->io_u_lock); | |
1414 | ||
1415 | while (flist_empty(&td->verify_list) && | |
1416 | !td->verify_thread_exit) { | |
b36e298b JA |
1417 | ret = pthread_cond_wait(&td->verify_cond, |
1418 | &td->io_u_lock); | |
e8462bd8 JA |
1419 | if (ret) { |
1420 | pthread_mutex_unlock(&td->io_u_lock); | |
1421 | break; | |
1422 | } | |
1423 | } | |
1424 | ||
e53ab27c JA |
1425 | flist_splice_init(&td->verify_list, &list); |
1426 | pthread_mutex_unlock(&td->io_u_lock); | |
1427 | ||
1428 | if (flist_empty(&list)) | |
e8462bd8 | 1429 | continue; |
e8462bd8 | 1430 | |
e53ab27c | 1431 | while (!flist_empty(&list)) { |
9342d5f8 | 1432 | io_u = flist_first_entry(&list, struct io_u, verify_list); |
f8b0bd10 JA |
1433 | flist_del_init(&io_u->verify_list); |
1434 | ||
1651e431 | 1435 | io_u_set(td, io_u, IO_U_F_NO_FILE_PUT); |
f8b0bd10 | 1436 | ret = verify_io_u(td, &io_u); |
e8462bd8 | 1437 | |
e53ab27c | 1438 | put_io_u(td, io_u); |
d561f2ab JA |
1439 | if (!ret) |
1440 | continue; | |
8b28bd41 | 1441 | if (td_non_fatal_error(td, ERROR_TYPE_VERIFY_BIT, ret)) { |
d561f2ab JA |
1442 | update_error_count(td, ret); |
1443 | td_clear_error(td); | |
1444 | ret = 0; | |
1445 | } | |
e53ab27c | 1446 | } |
e8462bd8 JA |
1447 | } while (!ret); |
1448 | ||
d561f2ab JA |
1449 | if (ret) { |
1450 | td_verror(td, ret, "async_verify"); | |
f3e6cb95 | 1451 | if (td->o.verify_fatal) |
ebea2133 | 1452 | fio_mark_td_terminate(td); |
d561f2ab JA |
1453 | } |
1454 | ||
e8462bd8 JA |
1455 | done: |
1456 | pthread_mutex_lock(&td->io_u_lock); | |
1457 | td->nr_verify_threads--; | |
1458 | pthread_mutex_unlock(&td->io_u_lock); | |
1459 | ||
1460 | pthread_cond_signal(&td->free_cond); | |
1461 | return NULL; | |
1462 | } | |
1463 | ||
1464 | int verify_async_init(struct thread_data *td) | |
1465 | { | |
1466 | int i, ret; | |
304a47c7 VA |
1467 | pthread_attr_t attr; |
1468 | ||
1469 | pthread_attr_init(&attr); | |
45213f1b | 1470 | pthread_attr_setstacksize(&attr, 2 * PTHREAD_STACK_MIN); |
e8462bd8 JA |
1471 | |
1472 | td->verify_thread_exit = 0; | |
1473 | ||
1474 | td->verify_threads = malloc(sizeof(pthread_t) * td->o.verify_async); | |
1475 | for (i = 0; i < td->o.verify_async; i++) { | |
304a47c7 | 1476 | ret = pthread_create(&td->verify_threads[i], &attr, |
e8462bd8 JA |
1477 | verify_async_thread, td); |
1478 | if (ret) { | |
1479 | log_err("fio: async verify creation failed: %s\n", | |
1480 | strerror(ret)); | |
1481 | break; | |
1482 | } | |
1483 | ret = pthread_detach(td->verify_threads[i]); | |
1484 | if (ret) { | |
1485 | log_err("fio: async verify thread detach failed: %s\n", | |
1486 | strerror(ret)); | |
1487 | break; | |
1488 | } | |
1489 | td->nr_verify_threads++; | |
1490 | } | |
1491 | ||
304a47c7 VA |
1492 | pthread_attr_destroy(&attr); |
1493 | ||
e8462bd8 | 1494 | if (i != td->o.verify_async) { |
e40823b1 | 1495 | log_err("fio: only %d verify threads started, exiting\n", i); |
e8462bd8 JA |
1496 | td->verify_thread_exit = 1; |
1497 | write_barrier(); | |
1498 | pthread_cond_broadcast(&td->verify_cond); | |
1499 | return 1; | |
1500 | } | |
1501 | ||
1502 | return 0; | |
1503 | } | |
1504 | ||
1505 | void verify_async_exit(struct thread_data *td) | |
1506 | { | |
1507 | td->verify_thread_exit = 1; | |
1508 | write_barrier(); | |
1509 | pthread_cond_broadcast(&td->verify_cond); | |
1510 | ||
1511 | pthread_mutex_lock(&td->io_u_lock); | |
1512 | ||
1513 | while (td->nr_verify_threads) | |
1514 | pthread_cond_wait(&td->free_cond, &td->io_u_lock); | |
1515 | ||
1516 | pthread_mutex_unlock(&td->io_u_lock); | |
1517 | free(td->verify_threads); | |
1518 | td->verify_threads = NULL; | |
1519 | } | |
ca09be4b | 1520 | |
61b9861d RP |
1521 | int paste_blockoff(char *buf, unsigned int len, void *priv) |
1522 | { | |
1523 | struct io_u *io = priv; | |
1524 | unsigned long long off; | |
1525 | ||
1526 | typecheck(typeof(off), io->offset); | |
1527 | off = cpu_to_le64((uint64_t)io->offset); | |
1528 | len = min(len, (unsigned int)sizeof(off)); | |
1529 | memcpy(buf, &off, len); | |
1530 | return 0; | |
1531 | } | |
1532 | ||
94a6e1bb JA |
1533 | static int __fill_file_completions(struct thread_data *td, |
1534 | struct thread_io_list *s, | |
1535 | struct fio_file *f, unsigned int *index) | |
1536 | { | |
1537 | unsigned int comps; | |
1538 | int i, j; | |
1539 | ||
1540 | if (!f->last_write_comp) | |
1541 | return 0; | |
1542 | ||
1543 | if (td->io_blocks[DDIR_WRITE] < td->o.iodepth) | |
1544 | comps = td->io_blocks[DDIR_WRITE]; | |
1545 | else | |
1546 | comps = td->o.iodepth; | |
1547 | ||
1548 | j = f->last_write_idx - 1; | |
1549 | for (i = 0; i < comps; i++) { | |
1550 | if (j == -1) | |
1551 | j = td->o.iodepth - 1; | |
1552 | s->comps[*index].fileno = __cpu_to_le64(f->fileno); | |
1553 | s->comps[*index].offset = cpu_to_le64(f->last_write_comp[j]); | |
1554 | (*index)++; | |
1555 | j--; | |
1556 | } | |
1557 | ||
1558 | return comps; | |
1559 | } | |
1560 | ||
1561 | static int fill_file_completions(struct thread_data *td, | |
1562 | struct thread_io_list *s, unsigned int *index) | |
1563 | { | |
1564 | struct fio_file *f; | |
1565 | unsigned int i; | |
1566 | int comps = 0; | |
1567 | ||
1568 | for_each_file(td, f, i) | |
1569 | comps += __fill_file_completions(td, s, f, index); | |
1570 | ||
1571 | return comps; | |
1572 | } | |
1573 | ||
ca09be4b JA |
1574 | struct all_io_list *get_all_io_list(int save_mask, size_t *sz) |
1575 | { | |
1576 | struct all_io_list *rep; | |
1577 | struct thread_data *td; | |
1578 | size_t depth; | |
1579 | void *next; | |
1580 | int i, nr; | |
1581 | ||
1582 | compiletime_assert(sizeof(struct all_io_list) == 8, "all_io_list"); | |
1583 | ||
1584 | /* | |
1585 | * Calculate reply space needed. We need one 'io_state' per thread, | |
1586 | * and the size will vary depending on depth. | |
1587 | */ | |
1588 | depth = 0; | |
1589 | nr = 0; | |
1590 | for_each_td(td, i) { | |
1591 | if (save_mask != IO_LIST_ALL && (i + 1) != save_mask) | |
1592 | continue; | |
1593 | td->stop_io = 1; | |
1594 | td->flags |= TD_F_VSTATE_SAVED; | |
94a6e1bb | 1595 | depth += (td->o.iodepth * td->o.nr_files); |
ca09be4b JA |
1596 | nr++; |
1597 | } | |
1598 | ||
1599 | if (!nr) | |
1600 | return NULL; | |
1601 | ||
1602 | *sz = sizeof(*rep); | |
1603 | *sz += nr * sizeof(struct thread_io_list); | |
94a6e1bb | 1604 | *sz += depth * sizeof(struct file_comp); |
ca09be4b | 1605 | rep = malloc(*sz); |
c68ce5ea | 1606 | memset(rep, 0, *sz); |
ca09be4b JA |
1607 | |
1608 | rep->threads = cpu_to_le64((uint64_t) nr); | |
1609 | ||
1610 | next = &rep->state[0]; | |
1611 | for_each_td(td, i) { | |
1612 | struct thread_io_list *s = next; | |
94a6e1bb | 1613 | unsigned int comps, index = 0; |
ca09be4b JA |
1614 | |
1615 | if (save_mask != IO_LIST_ALL && (i + 1) != save_mask) | |
1616 | continue; | |
1617 | ||
94a6e1bb | 1618 | comps = fill_file_completions(td, s, &index); |
ca09be4b JA |
1619 | |
1620 | s->no_comps = cpu_to_le64((uint64_t) comps); | |
1621 | s->depth = cpu_to_le64((uint64_t) td->o.iodepth); | |
94a6e1bb | 1622 | s->nofiles = cpu_to_le64((uint64_t) td->o.nr_files); |
ca09be4b JA |
1623 | s->numberio = cpu_to_le64((uint64_t) td->io_issues[DDIR_WRITE]); |
1624 | s->index = cpu_to_le64((uint64_t) i); | |
c3546b53 JA |
1625 | if (td->random_state.use64) { |
1626 | s->rand.state64.s[0] = cpu_to_le64(td->random_state.state64.s1); | |
1627 | s->rand.state64.s[1] = cpu_to_le64(td->random_state.state64.s2); | |
1628 | s->rand.state64.s[2] = cpu_to_le64(td->random_state.state64.s3); | |
1629 | s->rand.state64.s[3] = cpu_to_le64(td->random_state.state64.s4); | |
1630 | s->rand.state64.s[4] = cpu_to_le64(td->random_state.state64.s5); | |
1631 | s->rand.state64.s[5] = 0; | |
1632 | s->rand.use64 = cpu_to_le64((uint64_t)1); | |
1633 | } else { | |
1634 | s->rand.state32.s[0] = cpu_to_le32(td->random_state.state32.s1); | |
1635 | s->rand.state32.s[1] = cpu_to_le32(td->random_state.state32.s2); | |
1636 | s->rand.state32.s[2] = cpu_to_le32(td->random_state.state32.s3); | |
1637 | s->rand.state32.s[3] = 0; | |
1638 | s->rand.use64 = 0; | |
1639 | } | |
1dc06a8f JA |
1640 | s->name[sizeof(s->name) - 1] = '\0'; |
1641 | strncpy((char *) s->name, td->o.name, sizeof(s->name) - 1); | |
ca09be4b JA |
1642 | next = io_list_next(s); |
1643 | } | |
1644 | ||
1645 | return rep; | |
1646 | } | |
1647 | ||
1648 | static int open_state_file(const char *name, const char *prefix, int num, | |
1649 | int for_write) | |
1650 | { | |
d117b2bd | 1651 | char out[PATH_MAX]; |
ca09be4b JA |
1652 | int flags; |
1653 | int fd; | |
1654 | ||
1655 | if (for_write) | |
1656 | flags = O_CREAT | O_TRUNC | O_WRONLY | O_SYNC; | |
1657 | else | |
1658 | flags = O_RDONLY; | |
1659 | ||
e499aedc | 1660 | verify_state_gen_name(out, sizeof(out), name, prefix, num); |
ca09be4b JA |
1661 | |
1662 | fd = open(out, flags, 0644); | |
1663 | if (fd == -1) { | |
1664 | perror("fio: open state file"); | |
d117b2bd | 1665 | log_err("fio: state file: %s (for_write=%d)\n", out, for_write); |
ca09be4b JA |
1666 | return -1; |
1667 | } | |
1668 | ||
1669 | return fd; | |
1670 | } | |
1671 | ||
1672 | static int write_thread_list_state(struct thread_io_list *s, | |
1673 | const char *prefix) | |
1674 | { | |
1675 | struct verify_state_hdr hdr; | |
1676 | uint64_t crc; | |
1677 | ssize_t ret; | |
1678 | int fd; | |
1679 | ||
1680 | fd = open_state_file((const char *) s->name, prefix, s->index, 1); | |
1681 | if (fd == -1) | |
1682 | return 1; | |
1683 | ||
1684 | crc = fio_crc32c((void *)s, thread_io_list_sz(s)); | |
1685 | ||
1686 | hdr.version = cpu_to_le64((uint64_t) VSTATE_HDR_VERSION); | |
1687 | hdr.size = cpu_to_le64((uint64_t) thread_io_list_sz(s)); | |
1688 | hdr.crc = cpu_to_le64(crc); | |
1689 | ret = write(fd, &hdr, sizeof(hdr)); | |
1690 | if (ret != sizeof(hdr)) | |
1691 | goto write_fail; | |
1692 | ||
1693 | ret = write(fd, s, thread_io_list_sz(s)); | |
1694 | if (ret != thread_io_list_sz(s)) { | |
1695 | write_fail: | |
1696 | if (ret < 0) | |
1697 | perror("fio: write state file"); | |
1698 | log_err("fio: failed to write state file\n"); | |
1699 | ret = 1; | |
1700 | } else | |
1701 | ret = 0; | |
1702 | ||
1703 | close(fd); | |
1704 | return ret; | |
1705 | } | |
1706 | ||
1707 | void __verify_save_state(struct all_io_list *state, const char *prefix) | |
1708 | { | |
1709 | struct thread_io_list *s = &state->state[0]; | |
1710 | unsigned int i; | |
1711 | ||
1712 | for (i = 0; i < le64_to_cpu(state->threads); i++) { | |
1713 | write_thread_list_state(s, prefix); | |
1714 | s = io_list_next(s); | |
1715 | } | |
1716 | } | |
1717 | ||
d264264a | 1718 | void verify_save_state(int mask) |
ca09be4b JA |
1719 | { |
1720 | struct all_io_list *state; | |
1721 | size_t sz; | |
1722 | ||
d264264a | 1723 | state = get_all_io_list(mask, &sz); |
ca09be4b | 1724 | if (state) { |
d264264a JA |
1725 | char prefix[PATH_MAX]; |
1726 | ||
1727 | if (aux_path) | |
c6d140fb | 1728 | sprintf(prefix, "%s%slocal", aux_path, FIO_OS_PATH_SEPARATOR); |
d264264a | 1729 | else |
c6d140fb | 1730 | strcpy(prefix, "local"); |
d264264a JA |
1731 | |
1732 | __verify_save_state(state, prefix); | |
ca09be4b JA |
1733 | free(state); |
1734 | } | |
1735 | } | |
1736 | ||
1737 | void verify_free_state(struct thread_data *td) | |
1738 | { | |
1739 | if (td->vstate) | |
1740 | free(td->vstate); | |
1741 | } | |
1742 | ||
94a6e1bb | 1743 | void verify_assign_state(struct thread_data *td, void *p) |
ca09be4b | 1744 | { |
94a6e1bb | 1745 | struct thread_io_list *s = p; |
ca09be4b JA |
1746 | int i; |
1747 | ||
94a6e1bb JA |
1748 | s->no_comps = le64_to_cpu(s->no_comps); |
1749 | s->depth = le32_to_cpu(s->depth); | |
1750 | s->nofiles = le32_to_cpu(s->nofiles); | |
1751 | s->numberio = le64_to_cpu(s->numberio); | |
1752 | s->rand.use64 = le64_to_cpu(s->rand.use64); | |
c3546b53 | 1753 | |
94a6e1bb JA |
1754 | if (s->rand.use64) { |
1755 | for (i = 0; i < 6; i++) | |
1756 | s->rand.state64.s[i] = le64_to_cpu(s->rand.state64.s[i]); | |
c3546b53 | 1757 | } else { |
94a6e1bb JA |
1758 | for (i = 0; i < 4; i++) |
1759 | s->rand.state32.s[i] = le32_to_cpu(s->rand.state32.s[i]); | |
1760 | } | |
c3546b53 | 1761 | |
94a6e1bb JA |
1762 | for (i = 0; i < s->no_comps; i++) { |
1763 | s->comps[i].fileno = le64_to_cpu(s->comps[i].fileno); | |
1764 | s->comps[i].offset = le64_to_cpu(s->comps[i].offset); | |
c3546b53 | 1765 | } |
ca09be4b | 1766 | |
94a6e1bb | 1767 | td->vstate = p; |
ca09be4b JA |
1768 | } |
1769 | ||
94a6e1bb | 1770 | int verify_state_hdr(struct verify_state_hdr *hdr, struct thread_io_list *s) |
ca09be4b JA |
1771 | { |
1772 | uint64_t crc; | |
1773 | ||
1774 | hdr->version = le64_to_cpu(hdr->version); | |
1775 | hdr->size = le64_to_cpu(hdr->size); | |
1776 | hdr->crc = le64_to_cpu(hdr->crc); | |
1777 | ||
94a6e1bb | 1778 | if (hdr->version != VSTATE_HDR_VERSION) |
ca09be4b JA |
1779 | return 1; |
1780 | ||
1781 | crc = fio_crc32c((void *)s, hdr->size); | |
1782 | if (crc != hdr->crc) | |
1783 | return 1; | |
1784 | ||
1785 | return 0; | |
1786 | } | |
1787 | ||
1788 | int verify_load_state(struct thread_data *td, const char *prefix) | |
1789 | { | |
ca09be4b | 1790 | struct verify_state_hdr hdr; |
c3546b53 | 1791 | void *s = NULL; |
ca09be4b JA |
1792 | uint64_t crc; |
1793 | ssize_t ret; | |
1794 | int fd; | |
1795 | ||
1796 | if (!td->o.verify_state) | |
1797 | return 0; | |
1798 | ||
1799 | fd = open_state_file(td->o.name, prefix, td->thread_number - 1, 0); | |
1800 | if (fd == -1) | |
1801 | return 1; | |
1802 | ||
1803 | ret = read(fd, &hdr, sizeof(hdr)); | |
1804 | if (ret != sizeof(hdr)) { | |
1805 | if (ret < 0) | |
1806 | td_verror(td, errno, "read verify state hdr"); | |
1807 | log_err("fio: failed reading verify state header\n"); | |
1808 | goto err; | |
1809 | } | |
1810 | ||
1811 | hdr.version = le64_to_cpu(hdr.version); | |
1812 | hdr.size = le64_to_cpu(hdr.size); | |
1813 | hdr.crc = le64_to_cpu(hdr.crc); | |
1814 | ||
94a6e1bb JA |
1815 | if (hdr.version != VSTATE_HDR_VERSION) { |
1816 | log_err("fio: unsupported (%d) version in verify state header\n", | |
1817 | (unsigned int) hdr.version); | |
ca09be4b JA |
1818 | goto err; |
1819 | } | |
1820 | ||
1821 | s = malloc(hdr.size); | |
1822 | ret = read(fd, s, hdr.size); | |
1823 | if (ret != hdr.size) { | |
1824 | if (ret < 0) | |
1825 | td_verror(td, errno, "read verify state"); | |
1826 | log_err("fio: failed reading verity state\n"); | |
1827 | goto err; | |
1828 | } | |
1829 | ||
c3546b53 | 1830 | crc = fio_crc32c(s, hdr.size); |
ca09be4b JA |
1831 | if (crc != hdr.crc) { |
1832 | log_err("fio: verify state is corrupt\n"); | |
1833 | goto err; | |
1834 | } | |
1835 | ||
1836 | close(fd); | |
1837 | ||
94a6e1bb | 1838 | verify_assign_state(td, s); |
ca09be4b JA |
1839 | return 0; |
1840 | err: | |
1841 | if (s) | |
1842 | free(s); | |
1843 | close(fd); | |
1844 | return 1; | |
1845 | } | |
1846 | ||
1847 | /* | |
1848 | * Use the loaded verify state to know when to stop doing verification | |
1849 | */ | |
1850 | int verify_state_should_stop(struct thread_data *td, struct io_u *io_u) | |
1851 | { | |
1852 | struct thread_io_list *s = td->vstate; | |
94a6e1bb | 1853 | struct fio_file *f = io_u->file; |
ca09be4b JA |
1854 | int i; |
1855 | ||
94a6e1bb | 1856 | if (!s || !f) |
ca09be4b JA |
1857 | return 0; |
1858 | ||
1859 | /* | |
def00095 JA |
1860 | * If we're not into the window of issues - depth yet, continue. If |
1861 | * issue is shorter than depth, do check. | |
ca09be4b | 1862 | */ |
def00095 JA |
1863 | if ((td->io_blocks[DDIR_READ] < s->depth || |
1864 | s->numberio - td->io_blocks[DDIR_READ] > s->depth) && | |
1865 | s->numberio > s->depth) | |
ca09be4b JA |
1866 | return 0; |
1867 | ||
1868 | /* | |
1869 | * We're in the window of having to check if this io was | |
1870 | * completed or not. If the IO was seen as completed, then | |
1871 | * lets verify it. | |
1872 | */ | |
94a6e1bb JA |
1873 | for (i = 0; i < s->no_comps; i++) { |
1874 | if (s->comps[i].fileno != f->fileno) | |
1875 | continue; | |
1876 | if (io_u->offset == s->comps[i].offset) | |
ca09be4b | 1877 | return 0; |
94a6e1bb | 1878 | } |
ca09be4b JA |
1879 | |
1880 | /* | |
1881 | * Not found, we have to stop | |
1882 | */ | |
1883 | return 1; | |
1884 | } |