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