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" |
cd14cc10 | 28 | |
7d9fb455 JA |
29 | static void populate_hdr(struct thread_data *td, struct io_u *io_u, |
30 | struct verify_header *hdr, unsigned int header_num, | |
31 | unsigned int header_len); | |
9ba987cc JA |
32 | static void fill_hdr(struct verify_header *hdr, int verify_type, uint32_t len, |
33 | uint64_t rand_seed); | |
ed3a433d JA |
34 | static void __fill_hdr(struct verify_header *hdr, int verify_type, uint32_t len, |
35 | uint64_t rand_seed); | |
7d9fb455 | 36 | |
ce35b1ec JA |
37 | void fill_buffer_pattern(struct thread_data *td, void *p, unsigned int len) |
38 | { | |
2cac8fcb | 39 | (void)cpy_pattern(td->o.buffer_pattern, td->o.buffer_pattern_bytes, p, len); |
ce35b1ec JA |
40 | } |
41 | ||
7fa085ea JA |
42 | void __fill_buffer(struct thread_options *o, unsigned long seed, void *p, |
43 | unsigned int len) | |
44 | { | |
45 | __fill_random_buf_percentage(seed, p, o->compress_percentage, len, len, o->buffer_pattern, o->buffer_pattern_bytes); | |
46 | } | |
47 | ||
48 | unsigned long fill_buffer(struct thread_data *td, void *p, unsigned int len) | |
49 | { | |
50 | struct frand_state *fs = &td->verify_state; | |
51 | struct thread_options *o = &td->o; | |
52 | ||
53 | return fill_random_buf_percentage(fs, p, o->compress_percentage, len, len, o->buffer_pattern, o->buffer_pattern_bytes); | |
54 | } | |
55 | ||
ce35b1ec JA |
56 | void fill_verify_pattern(struct thread_data *td, void *p, unsigned int len, |
57 | struct io_u *io_u, unsigned long seed, int use_seed) | |
58 | { | |
bc769898 JA |
59 | struct thread_options *o = &td->o; |
60 | ||
61 | if (!o->verify_pattern_bytes) { | |
ce35b1ec JA |
62 | dprint(FD_VERIFY, "fill random bytes len=%u\n", len); |
63 | ||
64 | if (use_seed) | |
7fa085ea JA |
65 | __fill_buffer(o, seed, p, len); |
66 | else | |
67 | io_u->rand_seed = fill_buffer(td, p, len); | |
ce35b1ec JA |
68 | return; |
69 | } | |
c4b6117b | 70 | |
ce35b1ec JA |
71 | if (io_u->buf_filled_len >= len) { |
72 | dprint(FD_VERIFY, "using already filled verify pattern b=%d len=%u\n", | |
bc769898 | 73 | o->verify_pattern_bytes, len); |
ce35b1ec JA |
74 | return; |
75 | } | |
76 | ||
2cac8fcb | 77 | (void)cpy_pattern(td->o.verify_pattern, td->o.verify_pattern_bytes, p, len); |
ce35b1ec JA |
78 | io_u->buf_filled_len = len; |
79 | } | |
80 | ||
cfbcd0dc JA |
81 | static unsigned int get_hdr_inc(struct thread_data *td, struct io_u *io_u) |
82 | { | |
83 | unsigned int hdr_inc; | |
84 | ||
85 | hdr_inc = io_u->buflen; | |
8a99fdf6 | 86 | if (td->o.verify_interval && td->o.verify_interval <= io_u->buflen) |
cfbcd0dc JA |
87 | hdr_inc = td->o.verify_interval; |
88 | ||
89 | return hdr_inc; | |
90 | } | |
91 | ||
c50ca7bd JA |
92 | static void fill_pattern_headers(struct thread_data *td, struct io_u *io_u, |
93 | unsigned long seed, int use_seed) | |
94 | { | |
95 | unsigned int hdr_inc, header_num; | |
96 | struct verify_header *hdr; | |
97 | void *p = io_u->buf; | |
98 | ||
ce35b1ec | 99 | fill_verify_pattern(td, p, io_u->buflen, io_u, seed, use_seed); |
c50ca7bd | 100 | |
cfbcd0dc | 101 | hdr_inc = get_hdr_inc(td, io_u); |
c50ca7bd JA |
102 | header_num = 0; |
103 | for (; p < io_u->buf + io_u->buflen; p += hdr_inc) { | |
104 | hdr = p; | |
105 | populate_hdr(td, io_u, hdr, header_num, hdr_inc); | |
106 | header_num++; | |
107 | } | |
108 | } | |
109 | ||
4764aec9 | 110 | static void memswp(void *buf1, void *buf2, unsigned int len) |
546a9142 | 111 | { |
dee6de74 SL |
112 | char swap[200]; |
113 | ||
114 | assert(len <= sizeof(swap)); | |
90059d65 | 115 | |
546a9142 SL |
116 | memcpy(&swap, buf1, len); |
117 | memcpy(buf1, buf2, len); | |
118 | memcpy(buf2, &swap, len); | |
119 | } | |
120 | ||
e29d1b70 JA |
121 | static void hexdump(void *buffer, int len) |
122 | { | |
123 | unsigned char *p = buffer; | |
124 | int i; | |
125 | ||
126 | for (i = 0; i < len; i++) | |
bfacf389 JA |
127 | log_err("%02x", p[i]); |
128 | log_err("\n"); | |
e29d1b70 JA |
129 | } |
130 | ||
87677832 | 131 | /* |
de8f6de9 | 132 | * Prepare for separation of verify_header and checksum header |
87677832 | 133 | */ |
546dfd9f | 134 | static inline unsigned int __hdr_size(int verify_type) |
87677832 | 135 | { |
03e20d68 | 136 | unsigned int len = 0; |
87677832 | 137 | |
546dfd9f JA |
138 | switch (verify_type) { |
139 | case VERIFY_NONE: | |
140 | case VERIFY_NULL: | |
ed3a433d | 141 | case VERIFY_PATTERN: |
546dfd9f JA |
142 | len = 0; |
143 | break; | |
144 | case VERIFY_MD5: | |
145 | len = sizeof(struct vhdr_md5); | |
146 | break; | |
147 | case VERIFY_CRC64: | |
148 | len = sizeof(struct vhdr_crc64); | |
149 | break; | |
bac39e0e | 150 | case VERIFY_CRC32C: |
546dfd9f | 151 | case VERIFY_CRC32: |
3845591f | 152 | case VERIFY_CRC32C_INTEL: |
546dfd9f JA |
153 | len = sizeof(struct vhdr_crc32); |
154 | break; | |
155 | case VERIFY_CRC16: | |
156 | len = sizeof(struct vhdr_crc16); | |
157 | break; | |
158 | case VERIFY_CRC7: | |
159 | len = sizeof(struct vhdr_crc7); | |
160 | break; | |
161 | case VERIFY_SHA256: | |
162 | len = sizeof(struct vhdr_sha256); | |
163 | break; | |
164 | case VERIFY_SHA512: | |
165 | len = sizeof(struct vhdr_sha512); | |
166 | break; | |
844ea602 JA |
167 | case VERIFY_XXHASH: |
168 | len = sizeof(struct vhdr_xxhash); | |
169 | break; | |
7437ee87 SL |
170 | case VERIFY_META: |
171 | len = sizeof(struct vhdr_meta); | |
172 | break; | |
7c353ceb JA |
173 | case VERIFY_SHA1: |
174 | len = sizeof(struct vhdr_sha1); | |
175 | break; | |
59245381 | 176 | case VERIFY_PATTERN_NO_HDR: |
ed3a433d | 177 | return 0; |
546dfd9f JA |
178 | default: |
179 | log_err("fio: unknown verify header!\n"); | |
180 | assert(0); | |
181 | } | |
182 | ||
183 | return len + sizeof(struct verify_header); | |
87677832 JA |
184 | } |
185 | ||
ed3a433d JA |
186 | static inline unsigned int hdr_size(struct thread_data *td, |
187 | struct verify_header *hdr) | |
87677832 | 188 | { |
ed3a433d JA |
189 | if (td->o.verify == VERIFY_PATTERN_NO_HDR) |
190 | return 0; | |
191 | ||
546dfd9f JA |
192 | return __hdr_size(hdr->verify_type); |
193 | } | |
194 | ||
195 | static void *hdr_priv(struct verify_header *hdr) | |
196 | { | |
197 | void *priv = hdr; | |
198 | ||
199 | return priv + sizeof(struct verify_header); | |
87677832 JA |
200 | } |
201 | ||
936216f8 JA |
202 | /* |
203 | * Verify container, pass info to verify handlers and allow them to | |
204 | * pass info back in case of error | |
205 | */ | |
206 | struct vcont { | |
207 | /* | |
208 | * Input | |
209 | */ | |
210 | struct io_u *io_u; | |
211 | unsigned int hdr_num; | |
7d9fb455 | 212 | struct thread_data *td; |
936216f8 JA |
213 | |
214 | /* | |
215 | * Output, only valid in case of error | |
216 | */ | |
bfacf389 JA |
217 | const char *name; |
218 | void *good_crc; | |
219 | void *bad_crc; | |
936216f8 JA |
220 | unsigned int crc_len; |
221 | }; | |
222 | ||
dacbbb88 JA |
223 | #define DUMP_BUF_SZ 255 |
224 | static int dump_buf_warned; | |
225 | ||
c50ca7bd JA |
226 | static void dump_buf(char *buf, unsigned int len, unsigned long long offset, |
227 | const char *type, struct fio_file *f) | |
7d9fb455 | 228 | { |
dacbbb88 JA |
229 | char *ptr, fname[DUMP_BUF_SZ]; |
230 | size_t buf_left = DUMP_BUF_SZ; | |
7d9fb455 JA |
231 | int ret, fd; |
232 | ||
6f260b31 | 233 | ptr = strdup(f->file_name); |
c50ca7bd | 234 | |
d264264a JA |
235 | memset(fname, 0, sizeof(fname)); |
236 | if (aux_path) | |
237 | sprintf(fname, "%s%s", aux_path, FIO_OS_PATH_SEPARATOR); | |
238 | ||
239 | strncpy(fname + strlen(fname), basename(ptr), buf_left - 1); | |
dacbbb88 JA |
240 | |
241 | buf_left -= strlen(fname); | |
242 | if (buf_left <= 0) { | |
243 | if (!dump_buf_warned) { | |
244 | log_err("fio: verify failure dump buffer too small\n"); | |
245 | dump_buf_warned = 1; | |
246 | } | |
247 | free(ptr); | |
248 | return; | |
249 | } | |
250 | ||
251 | snprintf(fname + strlen(fname), buf_left, ".%llu.%s", offset, type); | |
7d9fb455 JA |
252 | |
253 | fd = open(fname, O_CREAT | O_TRUNC | O_WRONLY, 0644); | |
254 | if (fd < 0) { | |
255 | perror("open verify buf file"); | |
256 | return; | |
257 | } | |
258 | ||
259 | while (len) { | |
260 | ret = write(fd, buf, len); | |
261 | if (!ret) | |
262 | break; | |
263 | else if (ret < 0) { | |
264 | perror("write verify buf file"); | |
265 | break; | |
266 | } | |
267 | len -= ret; | |
268 | buf += ret; | |
269 | } | |
270 | ||
271 | close(fd); | |
c50ca7bd | 272 | log_err(" %s data dumped as %s\n", type, fname); |
6f260b31 | 273 | free(ptr); |
7d9fb455 JA |
274 | } |
275 | ||
c50ca7bd JA |
276 | /* |
277 | * Dump the contents of the read block and re-generate the correct data | |
278 | * and dump that too. | |
279 | */ | |
9ba987cc | 280 | static void __dump_verify_buffers(struct verify_header *hdr, struct vcont *vc) |
7d9fb455 JA |
281 | { |
282 | struct thread_data *td = vc->td; | |
283 | struct io_u *io_u = vc->io_u; | |
284 | unsigned long hdr_offset; | |
7d9fb455 | 285 | struct io_u dummy; |
c50ca7bd | 286 | void *buf; |
7d9fb455 | 287 | |
0dce9bc9 SL |
288 | if (!td->o.verify_dump) |
289 | return; | |
290 | ||
c50ca7bd JA |
291 | /* |
292 | * Dump the contents we just read off disk | |
293 | */ | |
7d9fb455 JA |
294 | hdr_offset = vc->hdr_num * hdr->len; |
295 | ||
c50ca7bd JA |
296 | dump_buf(io_u->buf + hdr_offset, hdr->len, io_u->offset + hdr_offset, |
297 | "received", vc->io_u->file); | |
7d9fb455 | 298 | |
c50ca7bd JA |
299 | /* |
300 | * Allocate a new buf and re-generate the original data | |
301 | */ | |
302 | buf = malloc(io_u->buflen); | |
7d9fb455 | 303 | dummy = *io_u; |
c50ca7bd | 304 | dummy.buf = buf; |
4aae38a6 | 305 | dummy.rand_seed = hdr->rand_seed; |
cfbcd0dc | 306 | dummy.buf_filled_len = 0; |
0d81daf9 | 307 | dummy.buflen = io_u->buflen; |
7d9fb455 | 308 | |
c50ca7bd | 309 | fill_pattern_headers(td, &dummy, hdr->rand_seed, 1); |
7d9fb455 | 310 | |
c50ca7bd JA |
311 | dump_buf(buf + hdr_offset, hdr->len, io_u->offset + hdr_offset, |
312 | "expected", vc->io_u->file); | |
7d9fb455 JA |
313 | free(buf); |
314 | } | |
315 | ||
9ba987cc JA |
316 | static void dump_verify_buffers(struct verify_header *hdr, struct vcont *vc) |
317 | { | |
318 | struct thread_data *td = vc->td; | |
319 | struct verify_header shdr; | |
320 | ||
321 | if (td->o.verify == VERIFY_PATTERN_NO_HDR) { | |
ed3a433d | 322 | __fill_hdr(&shdr, td->o.verify, vc->io_u->buflen, 0); |
9ba987cc JA |
323 | hdr = &shdr; |
324 | } | |
325 | ||
326 | __dump_verify_buffers(hdr, vc); | |
327 | } | |
328 | ||
bfacf389 JA |
329 | static void log_verify_failure(struct verify_header *hdr, struct vcont *vc) |
330 | { | |
331 | unsigned long long offset; | |
332 | ||
333 | offset = vc->io_u->offset; | |
334 | offset += vc->hdr_num * hdr->len; | |
32c17adf JA |
335 | log_err("%.8s: verify failed at file %s offset %llu, length %u\n", |
336 | vc->name, vc->io_u->file->file_name, offset, hdr->len); | |
bfacf389 JA |
337 | |
338 | if (vc->good_crc && vc->bad_crc) { | |
339 | log_err(" Expected CRC: "); | |
340 | hexdump(vc->good_crc, vc->crc_len); | |
341 | log_err(" Received CRC: "); | |
342 | hexdump(vc->bad_crc, vc->crc_len); | |
343 | } | |
7d9fb455 JA |
344 | |
345 | dump_verify_buffers(hdr, vc); | |
bfacf389 JA |
346 | } |
347 | ||
d9f2caf3 JA |
348 | /* |
349 | * Return data area 'header_num' | |
350 | */ | |
936216f8 | 351 | static inline void *io_u_verify_off(struct verify_header *hdr, struct vcont *vc) |
d9f2caf3 | 352 | { |
ed3a433d | 353 | return vc->io_u->buf + vc->hdr_num * hdr->len + hdr_size(vc->td, hdr); |
d9f2caf3 JA |
354 | } |
355 | ||
92bf48d5 JA |
356 | static int verify_io_u_pattern(struct verify_header *hdr, struct vcont *vc) |
357 | { | |
358 | struct thread_data *td = vc->td; | |
359 | struct io_u *io_u = vc->io_u; | |
360 | char *buf, *pattern; | |
2b13e716 | 361 | unsigned int header_size = __hdr_size(td->o.verify); |
25276497 RP |
362 | unsigned int len, mod, i, pattern_size; |
363 | int rc; | |
92bf48d5 JA |
364 | |
365 | pattern = td->o.verify_pattern; | |
9a2a86d0 SL |
366 | pattern_size = td->o.verify_pattern_bytes; |
367 | if (pattern_size <= 1) | |
368 | pattern_size = MAX_PATTERN_SIZE; | |
2b13e716 JA |
369 | buf = (void *) hdr + header_size; |
370 | len = get_hdr_inc(td, io_u) - header_size; | |
9a2a86d0 SL |
371 | mod = header_size % pattern_size; |
372 | ||
25276497 RP |
373 | rc = cmp_pattern(pattern, pattern_size, mod, buf, len); |
374 | if (!rc) | |
375 | return 0; | |
92bf48d5 | 376 | |
25276497 RP |
377 | /* Slow path, compare each byte */ |
378 | for (i = 0; i < len; i++) { | |
92bf48d5 JA |
379 | if (buf[i] != pattern[mod]) { |
380 | unsigned int bits; | |
381 | ||
382 | bits = hweight8(buf[i] ^ pattern[mod]); | |
25276497 RP |
383 | log_err("fio: got pattern '%02x', wanted '%02x'. Bad bits %d\n", |
384 | (unsigned char)buf[i], | |
385 | (unsigned char)pattern[mod], | |
386 | bits); | |
92bf48d5 JA |
387 | log_err("fio: bad pattern block offset %u\n", i); |
388 | dump_verify_buffers(hdr, vc); | |
389 | return EILSEQ; | |
390 | } | |
391 | mod++; | |
392 | if (mod == td->o.verify_pattern_bytes) | |
393 | mod = 0; | |
394 | } | |
395 | ||
25276497 RP |
396 | /* Unreachable line */ |
397 | assert(0); | |
398 | return EILSEQ; | |
92bf48d5 JA |
399 | } |
400 | ||
401 | static int verify_io_u_meta(struct verify_header *hdr, struct vcont *vc) | |
7437ee87 | 402 | { |
92bf48d5 | 403 | struct thread_data *td = vc->td; |
7437ee87 | 404 | struct vhdr_meta *vh = hdr_priv(hdr); |
936216f8 | 405 | struct io_u *io_u = vc->io_u; |
92bf48d5 | 406 | int ret = EILSEQ; |
7437ee87 | 407 | |
bd6f78b2 JA |
408 | dprint(FD_VERIFY, "meta verify io_u %p, len %u\n", io_u, hdr->len); |
409 | ||
bfacf389 | 410 | if (vh->offset == io_u->offset + vc->hdr_num * td->o.verify_interval) |
92bf48d5 JA |
411 | ret = 0; |
412 | ||
413 | if (td->o.verify_pattern_bytes) | |
414 | ret |= verify_io_u_pattern(hdr, vc); | |
415 | ||
da0a7bd2 JC |
416 | /* |
417 | * For read-only workloads, the program cannot be certain of the | |
8bca6016 JA |
418 | * last numberio written to a block. Checking of numberio will be |
419 | * done only for workloads that write data. For verify_only, | |
420 | * numberio will be checked in the last iteration when the correct | |
421 | * state of numberio, that would have been written to each block | |
422 | * in a previous run of fio, has been reached. | |
da0a7bd2 | 423 | */ |
b7f5c00d JA |
424 | if ((td_write(td) || td_rw(td)) && (td_min_bs(td) == td_max_bs(td)) && |
425 | !td->o.time_based) | |
62167762 JC |
426 | if (!td->o.verify_only || td->o.loops == 0) |
427 | if (vh->numberio != io_u->numberio) | |
428 | ret = EILSEQ; | |
da0a7bd2 | 429 | |
92bf48d5 | 430 | if (!ret) |
bfacf389 | 431 | return 0; |
7437ee87 | 432 | |
bfacf389 JA |
433 | vc->name = "meta"; |
434 | log_verify_failure(hdr, vc); | |
92bf48d5 | 435 | return ret; |
7437ee87 SL |
436 | } |
437 | ||
844ea602 JA |
438 | static int verify_io_u_xxhash(struct verify_header *hdr, struct vcont *vc) |
439 | { | |
440 | void *p = io_u_verify_off(hdr, vc); | |
441 | struct vhdr_xxhash *vh = hdr_priv(hdr); | |
442 | uint32_t hash; | |
443 | void *state; | |
444 | ||
445 | dprint(FD_VERIFY, "xxhash verify io_u %p, len %u\n", vc->io_u, hdr->len); | |
446 | ||
447 | state = XXH32_init(1); | |
ed3a433d | 448 | XXH32_update(state, p, hdr->len - hdr_size(vc->td, hdr)); |
844ea602 JA |
449 | hash = XXH32_digest(state); |
450 | ||
451 | if (vh->hash == hash) | |
452 | return 0; | |
453 | ||
454 | vc->name = "xxhash"; | |
455 | vc->good_crc = &vh->hash; | |
456 | vc->bad_crc = &hash; | |
457 | vc->crc_len = sizeof(hash); | |
458 | log_verify_failure(hdr, vc); | |
459 | return EILSEQ; | |
460 | } | |
461 | ||
936216f8 | 462 | static int verify_io_u_sha512(struct verify_header *hdr, struct vcont *vc) |
cd14cc10 | 463 | { |
936216f8 | 464 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 465 | struct vhdr_sha512 *vh = hdr_priv(hdr); |
cd14cc10 | 466 | uint8_t sha512[128]; |
25dfa848 | 467 | struct fio_sha512_ctx sha512_ctx = { |
cd14cc10 JA |
468 | .buf = sha512, |
469 | }; | |
470 | ||
936216f8 | 471 | dprint(FD_VERIFY, "sha512 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 472 | |
25dfa848 | 473 | fio_sha512_init(&sha512_ctx); |
ed3a433d | 474 | fio_sha512_update(&sha512_ctx, p, hdr->len - hdr_size(vc->td, hdr)); |
cd14cc10 | 475 | |
bfacf389 JA |
476 | if (!memcmp(vh->sha512, sha512_ctx.buf, sizeof(sha512))) |
477 | return 0; | |
cd14cc10 | 478 | |
bfacf389 JA |
479 | vc->name = "sha512"; |
480 | vc->good_crc = vh->sha512; | |
481 | vc->bad_crc = sha512_ctx.buf; | |
482 | vc->crc_len = sizeof(vh->sha512); | |
483 | log_verify_failure(hdr, vc); | |
484 | return EILSEQ; | |
cd14cc10 JA |
485 | } |
486 | ||
936216f8 | 487 | static int verify_io_u_sha256(struct verify_header *hdr, struct vcont *vc) |
cd14cc10 | 488 | { |
936216f8 | 489 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 490 | struct vhdr_sha256 *vh = hdr_priv(hdr); |
bc77f56f | 491 | uint8_t sha256[64]; |
25dfa848 | 492 | struct fio_sha256_ctx sha256_ctx = { |
cd14cc10 JA |
493 | .buf = sha256, |
494 | }; | |
495 | ||
936216f8 | 496 | dprint(FD_VERIFY, "sha256 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 497 | |
25dfa848 | 498 | fio_sha256_init(&sha256_ctx); |
ed3a433d | 499 | fio_sha256_update(&sha256_ctx, p, hdr->len - hdr_size(vc->td, hdr)); |
017052b6 | 500 | fio_sha256_final(&sha256_ctx); |
cd14cc10 | 501 | |
bfacf389 JA |
502 | if (!memcmp(vh->sha256, sha256_ctx.buf, sizeof(sha256))) |
503 | return 0; | |
cd14cc10 | 504 | |
bfacf389 JA |
505 | vc->name = "sha256"; |
506 | vc->good_crc = vh->sha256; | |
507 | vc->bad_crc = sha256_ctx.buf; | |
508 | vc->crc_len = sizeof(vh->sha256); | |
509 | log_verify_failure(hdr, vc); | |
510 | return EILSEQ; | |
cd14cc10 JA |
511 | } |
512 | ||
936216f8 | 513 | static int verify_io_u_sha1(struct verify_header *hdr, struct vcont *vc) |
7c353ceb | 514 | { |
936216f8 | 515 | void *p = io_u_verify_off(hdr, vc); |
7c353ceb JA |
516 | struct vhdr_sha1 *vh = hdr_priv(hdr); |
517 | uint32_t sha1[5]; | |
25dfa848 | 518 | struct fio_sha1_ctx sha1_ctx = { |
7c353ceb JA |
519 | .H = sha1, |
520 | }; | |
521 | ||
936216f8 | 522 | dprint(FD_VERIFY, "sha1 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
7c353ceb | 523 | |
25dfa848 | 524 | fio_sha1_init(&sha1_ctx); |
ed3a433d | 525 | fio_sha1_update(&sha1_ctx, p, hdr->len - hdr_size(vc->td, hdr)); |
017052b6 | 526 | fio_sha1_final(&sha1_ctx); |
7c353ceb | 527 | |
bfacf389 JA |
528 | if (!memcmp(vh->sha1, sha1_ctx.H, sizeof(sha1))) |
529 | return 0; | |
7c353ceb | 530 | |
bfacf389 JA |
531 | vc->name = "sha1"; |
532 | vc->good_crc = vh->sha1; | |
533 | vc->bad_crc = sha1_ctx.H; | |
534 | vc->crc_len = sizeof(vh->sha1); | |
535 | log_verify_failure(hdr, vc); | |
536 | return EILSEQ; | |
7c353ceb JA |
537 | } |
538 | ||
936216f8 | 539 | static int verify_io_u_crc7(struct verify_header *hdr, struct vcont *vc) |
1e154bdb | 540 | { |
936216f8 | 541 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 542 | struct vhdr_crc7 *vh = hdr_priv(hdr); |
1e154bdb JA |
543 | unsigned char c; |
544 | ||
936216f8 | 545 | dprint(FD_VERIFY, "crc7 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 546 | |
ed3a433d | 547 | c = fio_crc7(p, hdr->len - hdr_size(vc->td, hdr)); |
1e154bdb | 548 | |
bfacf389 JA |
549 | if (c == vh->crc7) |
550 | return 0; | |
1e154bdb | 551 | |
bfacf389 JA |
552 | vc->name = "crc7"; |
553 | vc->good_crc = &vh->crc7; | |
554 | vc->bad_crc = &c; | |
555 | vc->crc_len = 1; | |
556 | log_verify_failure(hdr, vc); | |
557 | return EILSEQ; | |
1e154bdb JA |
558 | } |
559 | ||
936216f8 | 560 | static int verify_io_u_crc16(struct verify_header *hdr, struct vcont *vc) |
969f7ed3 | 561 | { |
936216f8 | 562 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 563 | struct vhdr_crc16 *vh = hdr_priv(hdr); |
969f7ed3 JA |
564 | unsigned short c; |
565 | ||
936216f8 | 566 | dprint(FD_VERIFY, "crc16 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 567 | |
ed3a433d | 568 | c = fio_crc16(p, hdr->len - hdr_size(vc->td, hdr)); |
969f7ed3 | 569 | |
bfacf389 JA |
570 | if (c == vh->crc16) |
571 | return 0; | |
969f7ed3 | 572 | |
bfacf389 JA |
573 | vc->name = "crc16"; |
574 | vc->good_crc = &vh->crc16; | |
575 | vc->bad_crc = &c; | |
576 | vc->crc_len = 2; | |
577 | log_verify_failure(hdr, vc); | |
578 | return EILSEQ; | |
969f7ed3 JA |
579 | } |
580 | ||
936216f8 | 581 | static int verify_io_u_crc64(struct verify_header *hdr, struct vcont *vc) |
d77a7af3 | 582 | { |
936216f8 | 583 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 584 | struct vhdr_crc64 *vh = hdr_priv(hdr); |
d77a7af3 JA |
585 | unsigned long long c; |
586 | ||
936216f8 | 587 | dprint(FD_VERIFY, "crc64 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 588 | |
ed3a433d | 589 | c = fio_crc64(p, hdr->len - hdr_size(vc->td, hdr)); |
d77a7af3 | 590 | |
bfacf389 JA |
591 | if (c == vh->crc64) |
592 | return 0; | |
d77a7af3 | 593 | |
bfacf389 JA |
594 | vc->name = "crc64"; |
595 | vc->good_crc = &vh->crc64; | |
596 | vc->bad_crc = &c; | |
597 | vc->crc_len = 8; | |
598 | log_verify_failure(hdr, vc); | |
599 | return EILSEQ; | |
d77a7af3 JA |
600 | } |
601 | ||
936216f8 | 602 | static int verify_io_u_crc32(struct verify_header *hdr, struct vcont *vc) |
e29d1b70 | 603 | { |
936216f8 | 604 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f JA |
605 | struct vhdr_crc32 *vh = hdr_priv(hdr); |
606 | uint32_t c; | |
e29d1b70 | 607 | |
936216f8 | 608 | dprint(FD_VERIFY, "crc32 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 609 | |
ed3a433d | 610 | c = fio_crc32(p, hdr->len - hdr_size(vc->td, hdr)); |
e29d1b70 | 611 | |
bfacf389 JA |
612 | if (c == vh->crc32) |
613 | return 0; | |
e29d1b70 | 614 | |
bfacf389 JA |
615 | vc->name = "crc32"; |
616 | vc->good_crc = &vh->crc32; | |
617 | vc->bad_crc = &c; | |
618 | vc->crc_len = 4; | |
619 | log_verify_failure(hdr, vc); | |
620 | return EILSEQ; | |
e29d1b70 JA |
621 | } |
622 | ||
936216f8 | 623 | static int verify_io_u_crc32c(struct verify_header *hdr, struct vcont *vc) |
bac39e0e | 624 | { |
936216f8 | 625 | void *p = io_u_verify_off(hdr, vc); |
bac39e0e JA |
626 | struct vhdr_crc32 *vh = hdr_priv(hdr); |
627 | uint32_t c; | |
628 | ||
936216f8 | 629 | dprint(FD_VERIFY, "crc32c verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bac39e0e | 630 | |
ed3a433d | 631 | c = fio_crc32c(p, hdr->len - hdr_size(vc->td, hdr)); |
bac39e0e | 632 | |
bfacf389 JA |
633 | if (c == vh->crc32) |
634 | return 0; | |
bac39e0e | 635 | |
bfacf389 JA |
636 | vc->name = "crc32c"; |
637 | vc->good_crc = &vh->crc32; | |
638 | vc->bad_crc = &c; | |
639 | vc->crc_len = 4; | |
640 | log_verify_failure(hdr, vc); | |
641 | return EILSEQ; | |
bac39e0e JA |
642 | } |
643 | ||
936216f8 | 644 | static int verify_io_u_md5(struct verify_header *hdr, struct vcont *vc) |
e29d1b70 | 645 | { |
936216f8 | 646 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 647 | struct vhdr_md5 *vh = hdr_priv(hdr); |
8c432325 | 648 | uint32_t hash[MD5_HASH_WORDS]; |
25dfa848 | 649 | struct fio_md5_ctx md5_ctx = { |
8c432325 JA |
650 | .hash = hash, |
651 | }; | |
e29d1b70 | 652 | |
936216f8 | 653 | dprint(FD_VERIFY, "md5 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 654 | |
25dfa848 | 655 | fio_md5_init(&md5_ctx); |
ed3a433d | 656 | fio_md5_update(&md5_ctx, p, hdr->len - hdr_size(vc->td, hdr)); |
017052b6 | 657 | fio_md5_final(&md5_ctx); |
e29d1b70 | 658 | |
bfacf389 JA |
659 | if (!memcmp(vh->md5_digest, md5_ctx.hash, sizeof(hash))) |
660 | return 0; | |
e29d1b70 | 661 | |
bfacf389 JA |
662 | vc->name = "md5"; |
663 | vc->good_crc = vh->md5_digest; | |
664 | vc->bad_crc = md5_ctx.hash; | |
665 | vc->crc_len = sizeof(hash); | |
666 | log_verify_failure(hdr, vc); | |
667 | return EILSEQ; | |
e29d1b70 JA |
668 | } |
669 | ||
e8462bd8 JA |
670 | /* |
671 | * Push IO verification to a separate thread | |
672 | */ | |
f8b0bd10 | 673 | int verify_io_u_async(struct thread_data *td, struct io_u **io_u_ptr) |
e8462bd8 | 674 | { |
f8b0bd10 | 675 | struct io_u *io_u = *io_u_ptr; |
e8462bd8 | 676 | |
e8462bd8 | 677 | pthread_mutex_lock(&td->io_u_lock); |
d7ee2a7d | 678 | |
f8b0bd10 JA |
679 | if (io_u->file) |
680 | put_file_log(td, io_u->file); | |
681 | ||
0c41214f RR |
682 | if (io_u->flags & IO_U_F_IN_CUR_DEPTH) { |
683 | td->cur_depth--; | |
a9da8ab2 | 684 | io_u_clear(io_u, IO_U_F_IN_CUR_DEPTH); |
0c41214f | 685 | } |
2ae0b204 | 686 | flist_add_tail(&io_u->verify_list, &td->verify_list); |
f8b0bd10 | 687 | *io_u_ptr = NULL; |
e8462bd8 JA |
688 | pthread_mutex_unlock(&td->io_u_lock); |
689 | ||
690 | pthread_cond_signal(&td->verify_cond); | |
e8462bd8 JA |
691 | return 0; |
692 | } | |
693 | ||
0d29de83 JA |
694 | static int verify_trimmed_io_u(struct thread_data *td, struct io_u *io_u) |
695 | { | |
696 | static char zero_buf[1024]; | |
697 | unsigned int this_len, len; | |
698 | int ret = 0; | |
699 | void *p; | |
700 | ||
701 | if (!td->o.trim_zero) | |
702 | return 0; | |
703 | ||
704 | len = io_u->buflen; | |
705 | p = io_u->buf; | |
706 | do { | |
707 | this_len = sizeof(zero_buf); | |
708 | if (this_len > len) | |
709 | this_len = len; | |
710 | if (memcmp(p, zero_buf, this_len)) { | |
711 | ret = EILSEQ; | |
712 | break; | |
713 | } | |
714 | len -= this_len; | |
715 | p += this_len; | |
716 | } while (len); | |
717 | ||
718 | if (!ret) | |
719 | return 0; | |
720 | ||
a917a8b3 JA |
721 | log_err("trim: verify failed at file %s offset %llu, length %lu" |
722 | ", block offset %lu\n", | |
723 | io_u->file->file_name, io_u->offset, io_u->buflen, | |
2f68124f | 724 | (unsigned long) (p - io_u->buf)); |
0d29de83 JA |
725 | return ret; |
726 | } | |
727 | ||
5964842c AG |
728 | static int verify_header(struct io_u *io_u, struct verify_header *hdr, |
729 | unsigned int hdr_num, unsigned int hdr_len) | |
f65d1c26 JA |
730 | { |
731 | void *p = hdr; | |
732 | uint32_t crc; | |
733 | ||
5964842c AG |
734 | if (hdr->magic != FIO_HDR_MAGIC) { |
735 | log_err("verify: bad magic header %x, wanted %x", | |
736 | hdr->magic, FIO_HDR_MAGIC); | |
737 | goto err; | |
738 | } | |
4445856a | 739 | if (hdr->len != hdr_len) { |
5964842c AG |
740 | log_err("verify: bad header length %u, wanted %u", |
741 | hdr->len, hdr_len); | |
742 | goto err; | |
743 | } | |
744 | if (hdr->rand_seed != io_u->rand_seed) { | |
745 | log_err("verify: bad header rand_seed %"PRIu64 | |
746 | ", wanted %"PRIu64, | |
747 | hdr->rand_seed, io_u->rand_seed); | |
748 | goto err; | |
749 | } | |
ae38c0dc | 750 | |
25dfa848 | 751 | crc = fio_crc32c(p, offsetof(struct verify_header, crc32)); |
5964842c AG |
752 | if (crc != hdr->crc32) { |
753 | log_err("verify: bad header crc %x, calculated %x", | |
754 | hdr->crc32, crc); | |
755 | goto err; | |
756 | } | |
757 | return 0; | |
758 | ||
759 | err: | |
760 | log_err(" at file %s offset %llu, length %u\n", | |
761 | io_u->file->file_name, | |
762 | io_u->offset + hdr_num * hdr_len, hdr_len); | |
763 | return EILSEQ; | |
f65d1c26 JA |
764 | } |
765 | ||
f8b0bd10 | 766 | int verify_io_u(struct thread_data *td, struct io_u **io_u_ptr) |
e29d1b70 | 767 | { |
3f9f4e26 | 768 | struct verify_header *hdr; |
f8b0bd10 | 769 | struct io_u *io_u = *io_u_ptr; |
2b13e716 | 770 | unsigned int header_size, hdr_inc, hdr_num = 0; |
95646108 | 771 | void *p; |
e29d1b70 JA |
772 | int ret; |
773 | ||
1dcc0498 | 774 | if (td->o.verify == VERIFY_NULL || io_u->ddir != DDIR_READ) |
36690c9b | 775 | return 0; |
5c57c084 JA |
776 | /* |
777 | * If the IO engine is faking IO (like null), then just pretend | |
778 | * we verified everything. | |
779 | */ | |
780 | if (td->io_ops->flags & FIO_FAKEIO) | |
781 | return 0; | |
782 | ||
0d29de83 JA |
783 | if (io_u->flags & IO_U_F_TRIMMED) { |
784 | ret = verify_trimmed_io_u(td, io_u); | |
785 | goto done; | |
786 | } | |
36690c9b | 787 | |
cfbcd0dc | 788 | hdr_inc = get_hdr_inc(td, io_u); |
e29d1b70 | 789 | |
a12a3b4d | 790 | ret = 0; |
5ec10eaa JA |
791 | for (p = io_u->buf; p < io_u->buf + io_u->buflen; |
792 | p += hdr_inc, hdr_num++) { | |
bfacf389 JA |
793 | struct vcont vc = { |
794 | .io_u = io_u, | |
795 | .hdr_num = hdr_num, | |
7d9fb455 | 796 | .td = td, |
bfacf389 | 797 | }; |
f00b210f | 798 | unsigned int verify_type; |
936216f8 | 799 | |
f3e6cb95 | 800 | if (ret && td->o.verify_fatal) |
a12a3b4d | 801 | break; |
f3e6cb95 | 802 | |
2b13e716 | 803 | header_size = __hdr_size(td->o.verify); |
a59e170d | 804 | if (td->o.verify_offset) |
2b13e716 | 805 | memswp(p, p + td->o.verify_offset, header_size); |
95646108 | 806 | hdr = p; |
e29d1b70 | 807 | |
c4b6117b PV |
808 | /* |
809 | * Make rand_seed check pass when have verifysort or | |
810 | * verify_backlog. | |
811 | */ | |
812 | if (td->o.verifysort || (td->flags & TD_F_VER_BACKLOG)) | |
813 | io_u->rand_seed = hdr->rand_seed; | |
814 | ||
59245381 JA |
815 | if (td->o.verify != VERIFY_PATTERN_NO_HDR) { |
816 | ret = verify_header(io_u, hdr, hdr_num, hdr_inc); | |
817 | if (ret) | |
818 | return ret; | |
819 | } | |
3f199b01 | 820 | |
f00b210f JA |
821 | if (td->o.verify != VERIFY_NONE) |
822 | verify_type = td->o.verify; | |
823 | else | |
824 | verify_type = hdr->verify_type; | |
825 | ||
826 | switch (verify_type) { | |
3f9f4e26 | 827 | case VERIFY_MD5: |
936216f8 | 828 | ret = verify_io_u_md5(hdr, &vc); |
3f9f4e26 SL |
829 | break; |
830 | case VERIFY_CRC64: | |
936216f8 | 831 | ret = verify_io_u_crc64(hdr, &vc); |
3f9f4e26 | 832 | break; |
bac39e0e | 833 | case VERIFY_CRC32C: |
3845591f | 834 | case VERIFY_CRC32C_INTEL: |
936216f8 | 835 | ret = verify_io_u_crc32c(hdr, &vc); |
bac39e0e | 836 | break; |
3f9f4e26 | 837 | case VERIFY_CRC32: |
936216f8 | 838 | ret = verify_io_u_crc32(hdr, &vc); |
3f9f4e26 SL |
839 | break; |
840 | case VERIFY_CRC16: | |
936216f8 | 841 | ret = verify_io_u_crc16(hdr, &vc); |
3f9f4e26 SL |
842 | break; |
843 | case VERIFY_CRC7: | |
936216f8 | 844 | ret = verify_io_u_crc7(hdr, &vc); |
3f9f4e26 | 845 | break; |
cd14cc10 | 846 | case VERIFY_SHA256: |
936216f8 | 847 | ret = verify_io_u_sha256(hdr, &vc); |
cd14cc10 JA |
848 | break; |
849 | case VERIFY_SHA512: | |
936216f8 | 850 | ret = verify_io_u_sha512(hdr, &vc); |
cd14cc10 | 851 | break; |
844ea602 JA |
852 | case VERIFY_XXHASH: |
853 | ret = verify_io_u_xxhash(hdr, &vc); | |
854 | break; | |
7437ee87 | 855 | case VERIFY_META: |
92bf48d5 | 856 | ret = verify_io_u_meta(hdr, &vc); |
7437ee87 | 857 | break; |
7c353ceb | 858 | case VERIFY_SHA1: |
936216f8 | 859 | ret = verify_io_u_sha1(hdr, &vc); |
7c353ceb | 860 | break; |
92bf48d5 | 861 | case VERIFY_PATTERN: |
59245381 | 862 | case VERIFY_PATTERN_NO_HDR: |
92bf48d5 JA |
863 | ret = verify_io_u_pattern(hdr, &vc); |
864 | break; | |
3f9f4e26 SL |
865 | default: |
866 | log_err("Bad verify type %u\n", hdr->verify_type); | |
d16d4e09 | 867 | ret = EINVAL; |
3f9f4e26 | 868 | } |
f00b210f JA |
869 | |
870 | if (ret && verify_type != hdr->verify_type) | |
871 | log_err("fio: verify type mismatch (%u media, %u given)\n", | |
872 | hdr->verify_type, verify_type); | |
3f9f4e26 | 873 | } |
a7dfe862 | 874 | |
0d29de83 | 875 | done: |
f3e6cb95 | 876 | if (ret && td->o.verify_fatal) |
ebea2133 | 877 | fio_mark_td_terminate(td); |
f3e6cb95 | 878 | |
a12a3b4d | 879 | return ret; |
e29d1b70 JA |
880 | } |
881 | ||
7437ee87 | 882 | static void fill_meta(struct verify_header *hdr, struct thread_data *td, |
5ec10eaa | 883 | struct io_u *io_u, unsigned int header_num) |
7437ee87 SL |
884 | { |
885 | struct vhdr_meta *vh = hdr_priv(hdr); | |
886 | ||
887 | vh->thread = td->thread_number; | |
888 | ||
889 | vh->time_sec = io_u->start_time.tv_sec; | |
890 | vh->time_usec = io_u->start_time.tv_usec; | |
891 | ||
da0a7bd2 | 892 | vh->numberio = io_u->numberio; |
7437ee87 SL |
893 | |
894 | vh->offset = io_u->offset + header_num * td->o.verify_interval; | |
895 | } | |
896 | ||
844ea602 JA |
897 | static void fill_xxhash(struct verify_header *hdr, void *p, unsigned int len) |
898 | { | |
899 | struct vhdr_xxhash *vh = hdr_priv(hdr); | |
900 | void *state; | |
901 | ||
902 | state = XXH32_init(1); | |
903 | XXH32_update(state, p, len); | |
904 | vh->hash = XXH32_digest(state); | |
905 | } | |
906 | ||
cd14cc10 JA |
907 | static void fill_sha512(struct verify_header *hdr, void *p, unsigned int len) |
908 | { | |
546dfd9f | 909 | struct vhdr_sha512 *vh = hdr_priv(hdr); |
25dfa848 | 910 | struct fio_sha512_ctx sha512_ctx = { |
546dfd9f | 911 | .buf = vh->sha512, |
cd14cc10 JA |
912 | }; |
913 | ||
25dfa848 JA |
914 | fio_sha512_init(&sha512_ctx); |
915 | fio_sha512_update(&sha512_ctx, p, len); | |
cd14cc10 JA |
916 | } |
917 | ||
918 | static void fill_sha256(struct verify_header *hdr, void *p, unsigned int len) | |
919 | { | |
546dfd9f | 920 | struct vhdr_sha256 *vh = hdr_priv(hdr); |
25dfa848 | 921 | struct fio_sha256_ctx sha256_ctx = { |
546dfd9f | 922 | .buf = vh->sha256, |
cd14cc10 JA |
923 | }; |
924 | ||
25dfa848 JA |
925 | fio_sha256_init(&sha256_ctx); |
926 | fio_sha256_update(&sha256_ctx, p, len); | |
017052b6 | 927 | fio_sha256_final(&sha256_ctx); |
cd14cc10 JA |
928 | } |
929 | ||
7c353ceb JA |
930 | static void fill_sha1(struct verify_header *hdr, void *p, unsigned int len) |
931 | { | |
932 | struct vhdr_sha1 *vh = hdr_priv(hdr); | |
25dfa848 | 933 | struct fio_sha1_ctx sha1_ctx = { |
7c353ceb JA |
934 | .H = vh->sha1, |
935 | }; | |
936 | ||
25dfa848 JA |
937 | fio_sha1_init(&sha1_ctx); |
938 | fio_sha1_update(&sha1_ctx, p, len); | |
017052b6 | 939 | fio_sha1_final(&sha1_ctx); |
7c353ceb JA |
940 | } |
941 | ||
1e154bdb JA |
942 | static void fill_crc7(struct verify_header *hdr, void *p, unsigned int len) |
943 | { | |
546dfd9f JA |
944 | struct vhdr_crc7 *vh = hdr_priv(hdr); |
945 | ||
25dfa848 | 946 | vh->crc7 = fio_crc7(p, len); |
1e154bdb JA |
947 | } |
948 | ||
969f7ed3 JA |
949 | static void fill_crc16(struct verify_header *hdr, void *p, unsigned int len) |
950 | { | |
546dfd9f JA |
951 | struct vhdr_crc16 *vh = hdr_priv(hdr); |
952 | ||
25dfa848 | 953 | vh->crc16 = fio_crc16(p, len); |
969f7ed3 JA |
954 | } |
955 | ||
e29d1b70 JA |
956 | static void fill_crc32(struct verify_header *hdr, void *p, unsigned int len) |
957 | { | |
546dfd9f JA |
958 | struct vhdr_crc32 *vh = hdr_priv(hdr); |
959 | ||
25dfa848 | 960 | vh->crc32 = fio_crc32(p, len); |
e29d1b70 JA |
961 | } |
962 | ||
bac39e0e JA |
963 | static void fill_crc32c(struct verify_header *hdr, void *p, unsigned int len) |
964 | { | |
965 | struct vhdr_crc32 *vh = hdr_priv(hdr); | |
966 | ||
25dfa848 | 967 | vh->crc32 = fio_crc32c(p, len); |
bac39e0e JA |
968 | } |
969 | ||
d77a7af3 JA |
970 | static void fill_crc64(struct verify_header *hdr, void *p, unsigned int len) |
971 | { | |
546dfd9f JA |
972 | struct vhdr_crc64 *vh = hdr_priv(hdr); |
973 | ||
25dfa848 | 974 | vh->crc64 = fio_crc64(p, len); |
d77a7af3 JA |
975 | } |
976 | ||
e29d1b70 JA |
977 | static void fill_md5(struct verify_header *hdr, void *p, unsigned int len) |
978 | { | |
546dfd9f | 979 | struct vhdr_md5 *vh = hdr_priv(hdr); |
25dfa848 | 980 | struct fio_md5_ctx md5_ctx = { |
546dfd9f | 981 | .hash = (uint32_t *) vh->md5_digest, |
8c432325 | 982 | }; |
e29d1b70 | 983 | |
25dfa848 JA |
984 | fio_md5_init(&md5_ctx); |
985 | fio_md5_update(&md5_ctx, p, len); | |
017052b6 | 986 | fio_md5_final(&md5_ctx); |
e29d1b70 JA |
987 | } |
988 | ||
ed3a433d JA |
989 | static void __fill_hdr(struct verify_header *hdr, int verify_type, |
990 | uint32_t len, uint64_t rand_seed) | |
9ba987cc JA |
991 | { |
992 | void *p = hdr; | |
993 | ||
994 | hdr->magic = FIO_HDR_MAGIC; | |
995 | hdr->verify_type = verify_type; | |
996 | hdr->len = len; | |
997 | hdr->rand_seed = rand_seed; | |
998 | hdr->crc32 = fio_crc32c(p, offsetof(struct verify_header, crc32)); | |
999 | } | |
1000 | ||
ed3a433d JA |
1001 | |
1002 | static void fill_hdr(struct verify_header *hdr, int verify_type, uint32_t len, | |
1003 | uint64_t rand_seed) | |
1004 | { | |
1005 | if (verify_type != VERIFY_PATTERN_NO_HDR) | |
1006 | __fill_hdr(hdr, verify_type, len, rand_seed); | |
1007 | } | |
1008 | ||
7d9fb455 JA |
1009 | static void populate_hdr(struct thread_data *td, struct io_u *io_u, |
1010 | struct verify_header *hdr, unsigned int header_num, | |
1011 | unsigned int header_len) | |
1012 | { | |
1013 | unsigned int data_len; | |
1014 | void *data, *p; | |
1015 | ||
1016 | p = (void *) hdr; | |
1017 | ||
9ba987cc | 1018 | fill_hdr(hdr, td->o.verify, header_len, io_u->rand_seed); |
f65d1c26 | 1019 | |
ed3a433d | 1020 | data_len = header_len - hdr_size(td, hdr); |
7d9fb455 | 1021 | |
ed3a433d | 1022 | data = p + hdr_size(td, hdr); |
7d9fb455 JA |
1023 | switch (td->o.verify) { |
1024 | case VERIFY_MD5: | |
1025 | dprint(FD_VERIFY, "fill md5 io_u %p, len %u\n", | |
1026 | io_u, hdr->len); | |
1027 | fill_md5(hdr, data, data_len); | |
1028 | break; | |
1029 | case VERIFY_CRC64: | |
1030 | dprint(FD_VERIFY, "fill crc64 io_u %p, len %u\n", | |
1031 | io_u, hdr->len); | |
1032 | fill_crc64(hdr, data, data_len); | |
1033 | break; | |
1034 | case VERIFY_CRC32C: | |
1035 | case VERIFY_CRC32C_INTEL: | |
1036 | dprint(FD_VERIFY, "fill crc32c io_u %p, len %u\n", | |
1037 | io_u, hdr->len); | |
1038 | fill_crc32c(hdr, data, data_len); | |
1039 | break; | |
1040 | case VERIFY_CRC32: | |
1041 | dprint(FD_VERIFY, "fill crc32 io_u %p, len %u\n", | |
1042 | io_u, hdr->len); | |
1043 | fill_crc32(hdr, data, data_len); | |
1044 | break; | |
1045 | case VERIFY_CRC16: | |
1046 | dprint(FD_VERIFY, "fill crc16 io_u %p, len %u\n", | |
1047 | io_u, hdr->len); | |
1048 | fill_crc16(hdr, data, data_len); | |
1049 | break; | |
1050 | case VERIFY_CRC7: | |
1051 | dprint(FD_VERIFY, "fill crc7 io_u %p, len %u\n", | |
1052 | io_u, hdr->len); | |
1053 | fill_crc7(hdr, data, data_len); | |
1054 | break; | |
1055 | case VERIFY_SHA256: | |
1056 | dprint(FD_VERIFY, "fill sha256 io_u %p, len %u\n", | |
1057 | io_u, hdr->len); | |
1058 | fill_sha256(hdr, data, data_len); | |
1059 | break; | |
1060 | case VERIFY_SHA512: | |
1061 | dprint(FD_VERIFY, "fill sha512 io_u %p, len %u\n", | |
1062 | io_u, hdr->len); | |
1063 | fill_sha512(hdr, data, data_len); | |
1064 | break; | |
844ea602 JA |
1065 | case VERIFY_XXHASH: |
1066 | dprint(FD_VERIFY, "fill xxhash io_u %p, len %u\n", | |
1067 | io_u, hdr->len); | |
1068 | fill_xxhash(hdr, data, data_len); | |
1069 | break; | |
7d9fb455 JA |
1070 | case VERIFY_META: |
1071 | dprint(FD_VERIFY, "fill meta io_u %p, len %u\n", | |
1072 | io_u, hdr->len); | |
1073 | fill_meta(hdr, td, io_u, header_num); | |
1074 | break; | |
1075 | case VERIFY_SHA1: | |
1076 | dprint(FD_VERIFY, "fill sha1 io_u %p, len %u\n", | |
1077 | io_u, hdr->len); | |
1078 | fill_sha1(hdr, data, data_len); | |
1079 | break; | |
92bf48d5 | 1080 | case VERIFY_PATTERN: |
ed3a433d | 1081 | case VERIFY_PATTERN_NO_HDR: |
92bf48d5 JA |
1082 | /* nothing to do here */ |
1083 | break; | |
7d9fb455 JA |
1084 | default: |
1085 | log_err("fio: bad verify type: %d\n", td->o.verify); | |
1086 | assert(0); | |
1087 | } | |
ed3a433d JA |
1088 | |
1089 | if (td->o.verify_offset && hdr_size(td, hdr)) | |
1090 | memswp(p, p + td->o.verify_offset, hdr_size(td, hdr)); | |
7d9fb455 JA |
1091 | } |
1092 | ||
e29d1b70 JA |
1093 | /* |
1094 | * fill body of io_u->buf with random data and add a header with the | |
c50ca7bd | 1095 | * checksum of choice |
e29d1b70 JA |
1096 | */ |
1097 | void populate_verify_io_u(struct thread_data *td, struct io_u *io_u) | |
1098 | { | |
9cc3d150 JA |
1099 | if (td->o.verify == VERIFY_NULL) |
1100 | return; | |
1101 | ||
da0a7bd2 JC |
1102 | io_u->numberio = td->io_issues[io_u->ddir]; |
1103 | ||
c50ca7bd | 1104 | fill_pattern_headers(td, io_u, 0, 0); |
e29d1b70 JA |
1105 | } |
1106 | ||
1107 | int get_next_verify(struct thread_data *td, struct io_u *io_u) | |
1108 | { | |
8de8f047 | 1109 | struct io_piece *ipo = NULL; |
e29d1b70 | 1110 | |
d2d7fa53 JA |
1111 | /* |
1112 | * this io_u is from a requeue, we already filled the offsets | |
1113 | */ | |
1114 | if (io_u->file) | |
1115 | return 0; | |
1116 | ||
8de8f047 JA |
1117 | if (!RB_EMPTY_ROOT(&td->io_hist_tree)) { |
1118 | struct rb_node *n = rb_first(&td->io_hist_tree); | |
e29d1b70 | 1119 | |
8de8f047 | 1120 | ipo = rb_entry(n, struct io_piece, rb_node); |
f9401285 JA |
1121 | |
1122 | /* | |
1123 | * Ensure that the associated IO has completed | |
1124 | */ | |
1125 | read_barrier(); | |
1126 | if (ipo->flags & IP_F_IN_FLIGHT) | |
1127 | goto nothing; | |
1128 | ||
4b87898e | 1129 | rb_erase(n, &td->io_hist_tree); |
a917a8b3 JA |
1130 | assert(ipo->flags & IP_F_ONRB); |
1131 | ipo->flags &= ~IP_F_ONRB; | |
01743ee1 | 1132 | } else if (!flist_empty(&td->io_hist_list)) { |
9342d5f8 | 1133 | ipo = flist_first_entry(&td->io_hist_list, struct io_piece, list); |
f9401285 JA |
1134 | |
1135 | /* | |
1136 | * Ensure that the associated IO has completed | |
1137 | */ | |
1138 | read_barrier(); | |
1139 | if (ipo->flags & IP_F_IN_FLIGHT) | |
1140 | goto nothing; | |
1141 | ||
01743ee1 | 1142 | flist_del(&ipo->list); |
a917a8b3 JA |
1143 | assert(ipo->flags & IP_F_ONLIST); |
1144 | ipo->flags &= ~IP_F_ONLIST; | |
8de8f047 | 1145 | } |
e29d1b70 | 1146 | |
8de8f047 | 1147 | if (ipo) { |
0d29de83 JA |
1148 | td->io_hist_len--; |
1149 | ||
e29d1b70 JA |
1150 | io_u->offset = ipo->offset; |
1151 | io_u->buflen = ipo->len; | |
da0a7bd2 | 1152 | io_u->numberio = ipo->numberio; |
36167d82 | 1153 | io_u->file = ipo->file; |
a9da8ab2 | 1154 | io_u_set(io_u, IO_U_F_VER_LIST); |
97af62ce | 1155 | |
0d29de83 | 1156 | if (ipo->flags & IP_F_TRIMMED) |
a9da8ab2 | 1157 | io_u_set(io_u, IO_U_F_TRIMMED); |
0d29de83 | 1158 | |
d6aed795 | 1159 | if (!fio_file_open(io_u->file)) { |
97af62ce JA |
1160 | int r = td_io_open_file(td, io_u->file); |
1161 | ||
bd6f78b2 JA |
1162 | if (r) { |
1163 | dprint(FD_VERIFY, "failed file %s open\n", | |
1164 | io_u->file->file_name); | |
97af62ce | 1165 | return 1; |
bd6f78b2 | 1166 | } |
97af62ce JA |
1167 | } |
1168 | ||
1169 | get_file(ipo->file); | |
d6aed795 | 1170 | assert(fio_file_open(io_u->file)); |
e29d1b70 | 1171 | io_u->ddir = DDIR_READ; |
36167d82 JA |
1172 | io_u->xfer_buf = io_u->buf; |
1173 | io_u->xfer_buflen = io_u->buflen; | |
0d29de83 JA |
1174 | |
1175 | remove_trim_entry(td, ipo); | |
e29d1b70 | 1176 | free(ipo); |
bd6f78b2 | 1177 | dprint(FD_VERIFY, "get_next_verify: ret io_u %p\n", io_u); |
c4b6117b PV |
1178 | |
1179 | if (!td->o.verify_pattern_bytes) { | |
d6b72507 | 1180 | io_u->rand_seed = __rand(&td->verify_state); |
c4b6117b | 1181 | if (sizeof(int) != sizeof(long *)) |
d6b72507 | 1182 | io_u->rand_seed *= __rand(&td->verify_state); |
c4b6117b | 1183 | } |
e29d1b70 JA |
1184 | return 0; |
1185 | } | |
1186 | ||
f9401285 | 1187 | nothing: |
bd6f78b2 | 1188 | dprint(FD_VERIFY, "get_next_verify: empty\n"); |
e29d1b70 JA |
1189 | return 1; |
1190 | } | |
e8462bd8 | 1191 | |
dc5bfbb2 JA |
1192 | void fio_verify_init(struct thread_data *td) |
1193 | { | |
1194 | if (td->o.verify == VERIFY_CRC32C_INTEL || | |
1195 | td->o.verify == VERIFY_CRC32C) { | |
1196 | crc32c_intel_probe(); | |
1197 | } | |
1198 | } | |
1199 | ||
e8462bd8 JA |
1200 | static void *verify_async_thread(void *data) |
1201 | { | |
1202 | struct thread_data *td = data; | |
1203 | struct io_u *io_u; | |
1204 | int ret = 0; | |
1205 | ||
b2a9e649 | 1206 | if (fio_option_is_set(&td->o, verify_cpumask) && |
e8462bd8 JA |
1207 | fio_setaffinity(td->pid, td->o.verify_cpumask)) { |
1208 | log_err("fio: failed setting verify thread affinity\n"); | |
1209 | goto done; | |
1210 | } | |
1211 | ||
1212 | do { | |
e53ab27c JA |
1213 | FLIST_HEAD(list); |
1214 | ||
e8462bd8 JA |
1215 | read_barrier(); |
1216 | if (td->verify_thread_exit) | |
1217 | break; | |
1218 | ||
1219 | pthread_mutex_lock(&td->io_u_lock); | |
1220 | ||
1221 | while (flist_empty(&td->verify_list) && | |
1222 | !td->verify_thread_exit) { | |
b36e298b JA |
1223 | ret = pthread_cond_wait(&td->verify_cond, |
1224 | &td->io_u_lock); | |
e8462bd8 JA |
1225 | if (ret) { |
1226 | pthread_mutex_unlock(&td->io_u_lock); | |
1227 | break; | |
1228 | } | |
1229 | } | |
1230 | ||
e53ab27c JA |
1231 | flist_splice_init(&td->verify_list, &list); |
1232 | pthread_mutex_unlock(&td->io_u_lock); | |
1233 | ||
1234 | if (flist_empty(&list)) | |
e8462bd8 | 1235 | continue; |
e8462bd8 | 1236 | |
e53ab27c | 1237 | while (!flist_empty(&list)) { |
9342d5f8 | 1238 | io_u = flist_first_entry(&list, struct io_u, verify_list); |
f8b0bd10 JA |
1239 | flist_del_init(&io_u->verify_list); |
1240 | ||
a9da8ab2 | 1241 | io_u_set(io_u, IO_U_F_NO_FILE_PUT); |
f8b0bd10 | 1242 | ret = verify_io_u(td, &io_u); |
e8462bd8 | 1243 | |
e53ab27c | 1244 | put_io_u(td, io_u); |
d561f2ab JA |
1245 | if (!ret) |
1246 | continue; | |
8b28bd41 | 1247 | if (td_non_fatal_error(td, ERROR_TYPE_VERIFY_BIT, ret)) { |
d561f2ab JA |
1248 | update_error_count(td, ret); |
1249 | td_clear_error(td); | |
1250 | ret = 0; | |
1251 | } | |
e53ab27c | 1252 | } |
e8462bd8 JA |
1253 | } while (!ret); |
1254 | ||
d561f2ab JA |
1255 | if (ret) { |
1256 | td_verror(td, ret, "async_verify"); | |
f3e6cb95 | 1257 | if (td->o.verify_fatal) |
ebea2133 | 1258 | fio_mark_td_terminate(td); |
d561f2ab JA |
1259 | } |
1260 | ||
e8462bd8 JA |
1261 | done: |
1262 | pthread_mutex_lock(&td->io_u_lock); | |
1263 | td->nr_verify_threads--; | |
1264 | pthread_mutex_unlock(&td->io_u_lock); | |
1265 | ||
1266 | pthread_cond_signal(&td->free_cond); | |
1267 | return NULL; | |
1268 | } | |
1269 | ||
1270 | int verify_async_init(struct thread_data *td) | |
1271 | { | |
1272 | int i, ret; | |
304a47c7 VA |
1273 | pthread_attr_t attr; |
1274 | ||
1275 | pthread_attr_init(&attr); | |
1276 | pthread_attr_setstacksize(&attr, PTHREAD_STACK_MIN); | |
e8462bd8 JA |
1277 | |
1278 | td->verify_thread_exit = 0; | |
1279 | ||
1280 | td->verify_threads = malloc(sizeof(pthread_t) * td->o.verify_async); | |
1281 | for (i = 0; i < td->o.verify_async; i++) { | |
304a47c7 | 1282 | ret = pthread_create(&td->verify_threads[i], &attr, |
e8462bd8 JA |
1283 | verify_async_thread, td); |
1284 | if (ret) { | |
1285 | log_err("fio: async verify creation failed: %s\n", | |
1286 | strerror(ret)); | |
1287 | break; | |
1288 | } | |
1289 | ret = pthread_detach(td->verify_threads[i]); | |
1290 | if (ret) { | |
1291 | log_err("fio: async verify thread detach failed: %s\n", | |
1292 | strerror(ret)); | |
1293 | break; | |
1294 | } | |
1295 | td->nr_verify_threads++; | |
1296 | } | |
1297 | ||
304a47c7 VA |
1298 | pthread_attr_destroy(&attr); |
1299 | ||
e8462bd8 | 1300 | if (i != td->o.verify_async) { |
e40823b1 | 1301 | log_err("fio: only %d verify threads started, exiting\n", i); |
e8462bd8 JA |
1302 | td->verify_thread_exit = 1; |
1303 | write_barrier(); | |
1304 | pthread_cond_broadcast(&td->verify_cond); | |
1305 | return 1; | |
1306 | } | |
1307 | ||
1308 | return 0; | |
1309 | } | |
1310 | ||
1311 | void verify_async_exit(struct thread_data *td) | |
1312 | { | |
1313 | td->verify_thread_exit = 1; | |
1314 | write_barrier(); | |
1315 | pthread_cond_broadcast(&td->verify_cond); | |
1316 | ||
1317 | pthread_mutex_lock(&td->io_u_lock); | |
1318 | ||
1319 | while (td->nr_verify_threads) | |
1320 | pthread_cond_wait(&td->free_cond, &td->io_u_lock); | |
1321 | ||
1322 | pthread_mutex_unlock(&td->io_u_lock); | |
1323 | free(td->verify_threads); | |
1324 | td->verify_threads = NULL; | |
1325 | } | |
ca09be4b JA |
1326 | |
1327 | struct all_io_list *get_all_io_list(int save_mask, size_t *sz) | |
1328 | { | |
1329 | struct all_io_list *rep; | |
1330 | struct thread_data *td; | |
1331 | size_t depth; | |
1332 | void *next; | |
1333 | int i, nr; | |
1334 | ||
1335 | compiletime_assert(sizeof(struct all_io_list) == 8, "all_io_list"); | |
1336 | ||
1337 | /* | |
1338 | * Calculate reply space needed. We need one 'io_state' per thread, | |
1339 | * and the size will vary depending on depth. | |
1340 | */ | |
1341 | depth = 0; | |
1342 | nr = 0; | |
1343 | for_each_td(td, i) { | |
1344 | if (save_mask != IO_LIST_ALL && (i + 1) != save_mask) | |
1345 | continue; | |
1346 | td->stop_io = 1; | |
1347 | td->flags |= TD_F_VSTATE_SAVED; | |
1348 | depth += td->o.iodepth; | |
1349 | nr++; | |
1350 | } | |
1351 | ||
1352 | if (!nr) | |
1353 | return NULL; | |
1354 | ||
1355 | *sz = sizeof(*rep); | |
1356 | *sz += nr * sizeof(struct thread_io_list); | |
1357 | *sz += depth * sizeof(uint64_t); | |
1358 | rep = malloc(*sz); | |
1359 | ||
1360 | rep->threads = cpu_to_le64((uint64_t) nr); | |
1361 | ||
1362 | next = &rep->state[0]; | |
1363 | for_each_td(td, i) { | |
1364 | struct thread_io_list *s = next; | |
1365 | unsigned int comps; | |
1366 | ||
1367 | if (save_mask != IO_LIST_ALL && (i + 1) != save_mask) | |
1368 | continue; | |
1369 | ||
1370 | if (td->last_write_comp) { | |
1371 | int j, k; | |
1372 | ||
1373 | if (td->io_blocks[DDIR_WRITE] < td->o.iodepth) | |
1374 | comps = td->io_blocks[DDIR_WRITE]; | |
1375 | else | |
1376 | comps = td->o.iodepth; | |
1377 | ||
1378 | k = td->last_write_idx - 1; | |
1379 | for (j = 0; j < comps; j++) { | |
1380 | if (k == -1) | |
1381 | k = td->o.iodepth - 1; | |
1382 | s->offsets[j] = cpu_to_le64(td->last_write_comp[k]); | |
1383 | k--; | |
1384 | } | |
1385 | } else | |
1386 | comps = 0; | |
1387 | ||
1388 | s->no_comps = cpu_to_le64((uint64_t) comps); | |
1389 | s->depth = cpu_to_le64((uint64_t) td->o.iodepth); | |
1390 | s->numberio = cpu_to_le64((uint64_t) td->io_issues[DDIR_WRITE]); | |
1391 | s->index = cpu_to_le64((uint64_t) i); | |
c3546b53 JA |
1392 | if (td->random_state.use64) { |
1393 | s->rand.state64.s[0] = cpu_to_le64(td->random_state.state64.s1); | |
1394 | s->rand.state64.s[1] = cpu_to_le64(td->random_state.state64.s2); | |
1395 | s->rand.state64.s[2] = cpu_to_le64(td->random_state.state64.s3); | |
1396 | s->rand.state64.s[3] = cpu_to_le64(td->random_state.state64.s4); | |
1397 | s->rand.state64.s[4] = cpu_to_le64(td->random_state.state64.s5); | |
1398 | s->rand.state64.s[5] = 0; | |
1399 | s->rand.use64 = cpu_to_le64((uint64_t)1); | |
1400 | } else { | |
1401 | s->rand.state32.s[0] = cpu_to_le32(td->random_state.state32.s1); | |
1402 | s->rand.state32.s[1] = cpu_to_le32(td->random_state.state32.s2); | |
1403 | s->rand.state32.s[2] = cpu_to_le32(td->random_state.state32.s3); | |
1404 | s->rand.state32.s[3] = 0; | |
1405 | s->rand.use64 = 0; | |
1406 | } | |
1dc06a8f JA |
1407 | s->name[sizeof(s->name) - 1] = '\0'; |
1408 | strncpy((char *) s->name, td->o.name, sizeof(s->name) - 1); | |
ca09be4b JA |
1409 | next = io_list_next(s); |
1410 | } | |
1411 | ||
1412 | return rep; | |
1413 | } | |
1414 | ||
1415 | static int open_state_file(const char *name, const char *prefix, int num, | |
1416 | int for_write) | |
1417 | { | |
1418 | char out[64]; | |
1419 | int flags; | |
1420 | int fd; | |
1421 | ||
1422 | if (for_write) | |
1423 | flags = O_CREAT | O_TRUNC | O_WRONLY | O_SYNC; | |
1424 | else | |
1425 | flags = O_RDONLY; | |
1426 | ||
e499aedc | 1427 | verify_state_gen_name(out, sizeof(out), name, prefix, num); |
ca09be4b JA |
1428 | |
1429 | fd = open(out, flags, 0644); | |
1430 | if (fd == -1) { | |
1431 | perror("fio: open state file"); | |
1432 | return -1; | |
1433 | } | |
1434 | ||
1435 | return fd; | |
1436 | } | |
1437 | ||
1438 | static int write_thread_list_state(struct thread_io_list *s, | |
1439 | const char *prefix) | |
1440 | { | |
1441 | struct verify_state_hdr hdr; | |
1442 | uint64_t crc; | |
1443 | ssize_t ret; | |
1444 | int fd; | |
1445 | ||
1446 | fd = open_state_file((const char *) s->name, prefix, s->index, 1); | |
1447 | if (fd == -1) | |
1448 | return 1; | |
1449 | ||
1450 | crc = fio_crc32c((void *)s, thread_io_list_sz(s)); | |
1451 | ||
1452 | hdr.version = cpu_to_le64((uint64_t) VSTATE_HDR_VERSION); | |
1453 | hdr.size = cpu_to_le64((uint64_t) thread_io_list_sz(s)); | |
1454 | hdr.crc = cpu_to_le64(crc); | |
1455 | ret = write(fd, &hdr, sizeof(hdr)); | |
1456 | if (ret != sizeof(hdr)) | |
1457 | goto write_fail; | |
1458 | ||
1459 | ret = write(fd, s, thread_io_list_sz(s)); | |
1460 | if (ret != thread_io_list_sz(s)) { | |
1461 | write_fail: | |
1462 | if (ret < 0) | |
1463 | perror("fio: write state file"); | |
1464 | log_err("fio: failed to write state file\n"); | |
1465 | ret = 1; | |
1466 | } else | |
1467 | ret = 0; | |
1468 | ||
1469 | close(fd); | |
1470 | return ret; | |
1471 | } | |
1472 | ||
1473 | void __verify_save_state(struct all_io_list *state, const char *prefix) | |
1474 | { | |
1475 | struct thread_io_list *s = &state->state[0]; | |
1476 | unsigned int i; | |
1477 | ||
1478 | for (i = 0; i < le64_to_cpu(state->threads); i++) { | |
1479 | write_thread_list_state(s, prefix); | |
1480 | s = io_list_next(s); | |
1481 | } | |
1482 | } | |
1483 | ||
d264264a | 1484 | void verify_save_state(int mask) |
ca09be4b JA |
1485 | { |
1486 | struct all_io_list *state; | |
1487 | size_t sz; | |
1488 | ||
d264264a | 1489 | state = get_all_io_list(mask, &sz); |
ca09be4b | 1490 | if (state) { |
d264264a JA |
1491 | char prefix[PATH_MAX]; |
1492 | ||
1493 | if (aux_path) | |
c6d140fb | 1494 | sprintf(prefix, "%s%slocal", aux_path, FIO_OS_PATH_SEPARATOR); |
d264264a | 1495 | else |
c6d140fb | 1496 | strcpy(prefix, "local"); |
d264264a JA |
1497 | |
1498 | __verify_save_state(state, prefix); | |
ca09be4b JA |
1499 | free(state); |
1500 | } | |
1501 | } | |
1502 | ||
1503 | void verify_free_state(struct thread_data *td) | |
1504 | { | |
1505 | if (td->vstate) | |
1506 | free(td->vstate); | |
1507 | } | |
1508 | ||
c3546b53 | 1509 | static struct thread_io_list *convert_v1_list(struct thread_io_list_v1 *s) |
ca09be4b | 1510 | { |
c3546b53 | 1511 | struct thread_io_list *til; |
ca09be4b JA |
1512 | int i; |
1513 | ||
c3546b53 JA |
1514 | til = malloc(__thread_io_list_sz(s->no_comps)); |
1515 | til->no_comps = s->no_comps; | |
1516 | til->depth = s->depth; | |
1517 | til->numberio = s->numberio; | |
1518 | til->index = s->index; | |
1519 | memcpy(til->name, s->name, sizeof(til->name)); | |
1520 | ||
1521 | til->rand.use64 = 0; | |
ca09be4b | 1522 | for (i = 0; i < 4; i++) |
c3546b53 JA |
1523 | til->rand.state32.s[i] = s->rand.s[i]; |
1524 | ||
ca09be4b | 1525 | for (i = 0; i < s->no_comps; i++) |
c3546b53 JA |
1526 | til->offsets[i] = s->offsets[i]; |
1527 | ||
1528 | return til; | |
1529 | } | |
1530 | ||
1531 | void verify_convert_assign_state(struct thread_data *td, void *p, int version) | |
1532 | { | |
1533 | struct thread_io_list *til; | |
1534 | int i; | |
1535 | ||
1536 | if (version == 1) { | |
1537 | struct thread_io_list_v1 *s = p; | |
1538 | ||
1539 | s->no_comps = le64_to_cpu(s->no_comps); | |
1540 | s->depth = le64_to_cpu(s->depth); | |
1541 | s->numberio = le64_to_cpu(s->numberio); | |
1542 | for (i = 0; i < 4; i++) | |
1543 | s->rand.s[i] = le32_to_cpu(s->rand.s[i]); | |
1544 | for (i = 0; i < s->no_comps; i++) | |
1545 | s->offsets[i] = le64_to_cpu(s->offsets[i]); | |
1546 | ||
1547 | til = convert_v1_list(s); | |
1548 | free(s); | |
1549 | } else { | |
1550 | struct thread_io_list *s = p; | |
1551 | ||
1552 | s->no_comps = le64_to_cpu(s->no_comps); | |
1553 | s->depth = le64_to_cpu(s->depth); | |
1554 | s->numberio = le64_to_cpu(s->numberio); | |
1555 | s->rand.use64 = le64_to_cpu(s->rand.use64); | |
1556 | ||
1557 | if (s->rand.use64) { | |
1558 | for (i = 0; i < 6; i++) | |
1559 | s->rand.state64.s[i] = le64_to_cpu(s->rand.state64.s[i]); | |
1560 | } else { | |
1561 | for (i = 0; i < 4; i++) | |
1562 | s->rand.state32.s[i] = le32_to_cpu(s->rand.state32.s[i]); | |
1563 | } | |
1564 | for (i = 0; i < s->no_comps; i++) | |
1565 | s->offsets[i] = le64_to_cpu(s->offsets[i]); | |
1566 | ||
1567 | til = p; | |
1568 | } | |
ca09be4b | 1569 | |
c3546b53 | 1570 | td->vstate = til; |
ca09be4b JA |
1571 | } |
1572 | ||
c3546b53 JA |
1573 | int verify_state_hdr(struct verify_state_hdr *hdr, struct thread_io_list *s, |
1574 | int *version) | |
ca09be4b JA |
1575 | { |
1576 | uint64_t crc; | |
1577 | ||
1578 | hdr->version = le64_to_cpu(hdr->version); | |
1579 | hdr->size = le64_to_cpu(hdr->size); | |
1580 | hdr->crc = le64_to_cpu(hdr->crc); | |
1581 | ||
c3546b53 JA |
1582 | if (hdr->version != VSTATE_HDR_VERSION || |
1583 | hdr->version != VSTATE_HDR_VERSION_V1) | |
ca09be4b JA |
1584 | return 1; |
1585 | ||
1586 | crc = fio_crc32c((void *)s, hdr->size); | |
1587 | if (crc != hdr->crc) | |
1588 | return 1; | |
1589 | ||
c3546b53 | 1590 | *version = hdr->version; |
ca09be4b JA |
1591 | return 0; |
1592 | } | |
1593 | ||
1594 | int verify_load_state(struct thread_data *td, const char *prefix) | |
1595 | { | |
ca09be4b | 1596 | struct verify_state_hdr hdr; |
c3546b53 | 1597 | void *s = NULL; |
ca09be4b JA |
1598 | uint64_t crc; |
1599 | ssize_t ret; | |
1600 | int fd; | |
1601 | ||
1602 | if (!td->o.verify_state) | |
1603 | return 0; | |
1604 | ||
1605 | fd = open_state_file(td->o.name, prefix, td->thread_number - 1, 0); | |
1606 | if (fd == -1) | |
1607 | return 1; | |
1608 | ||
1609 | ret = read(fd, &hdr, sizeof(hdr)); | |
1610 | if (ret != sizeof(hdr)) { | |
1611 | if (ret < 0) | |
1612 | td_verror(td, errno, "read verify state hdr"); | |
1613 | log_err("fio: failed reading verify state header\n"); | |
1614 | goto err; | |
1615 | } | |
1616 | ||
1617 | hdr.version = le64_to_cpu(hdr.version); | |
1618 | hdr.size = le64_to_cpu(hdr.size); | |
1619 | hdr.crc = le64_to_cpu(hdr.crc); | |
1620 | ||
c3546b53 JA |
1621 | if (hdr.version != VSTATE_HDR_VERSION && |
1622 | hdr.version != VSTATE_HDR_VERSION_V1) { | |
ca09be4b JA |
1623 | log_err("fio: bad version in verify state header\n"); |
1624 | goto err; | |
1625 | } | |
1626 | ||
1627 | s = malloc(hdr.size); | |
1628 | ret = read(fd, s, hdr.size); | |
1629 | if (ret != hdr.size) { | |
1630 | if (ret < 0) | |
1631 | td_verror(td, errno, "read verify state"); | |
1632 | log_err("fio: failed reading verity state\n"); | |
1633 | goto err; | |
1634 | } | |
1635 | ||
c3546b53 | 1636 | crc = fio_crc32c(s, hdr.size); |
ca09be4b JA |
1637 | if (crc != hdr.crc) { |
1638 | log_err("fio: verify state is corrupt\n"); | |
1639 | goto err; | |
1640 | } | |
1641 | ||
1642 | close(fd); | |
1643 | ||
c3546b53 | 1644 | verify_convert_assign_state(td, s, hdr.version); |
ca09be4b JA |
1645 | return 0; |
1646 | err: | |
1647 | if (s) | |
1648 | free(s); | |
1649 | close(fd); | |
1650 | return 1; | |
1651 | } | |
1652 | ||
1653 | /* | |
1654 | * Use the loaded verify state to know when to stop doing verification | |
1655 | */ | |
1656 | int verify_state_should_stop(struct thread_data *td, struct io_u *io_u) | |
1657 | { | |
1658 | struct thread_io_list *s = td->vstate; | |
1659 | int i; | |
1660 | ||
1661 | if (!s) | |
1662 | return 0; | |
1663 | ||
1664 | /* | |
def00095 JA |
1665 | * If we're not into the window of issues - depth yet, continue. If |
1666 | * issue is shorter than depth, do check. | |
ca09be4b | 1667 | */ |
def00095 JA |
1668 | if ((td->io_blocks[DDIR_READ] < s->depth || |
1669 | s->numberio - td->io_blocks[DDIR_READ] > s->depth) && | |
1670 | s->numberio > s->depth) | |
ca09be4b JA |
1671 | return 0; |
1672 | ||
1673 | /* | |
1674 | * We're in the window of having to check if this io was | |
1675 | * completed or not. If the IO was seen as completed, then | |
1676 | * lets verify it. | |
1677 | */ | |
1678 | for (i = 0; i < s->no_comps; i++) | |
1679 | if (io_u->offset == s->offsets[i]) | |
1680 | return 0; | |
1681 | ||
1682 | /* | |
1683 | * Not found, we have to stop | |
1684 | */ | |
1685 | return 1; | |
1686 | } |