Commit | Line | Data |
---|---|---|
e29d1b70 JA |
1 | /* |
2 | * IO verification helpers | |
3 | */ | |
4 | #include <unistd.h> | |
5 | #include <fcntl.h> | |
6 | #include <string.h> | |
97af62ce | 7 | #include <assert.h> |
e8462bd8 | 8 | #include <pthread.h> |
79402a12 | 9 | #include <libgen.h> |
e29d1b70 JA |
10 | |
11 | #include "fio.h" | |
4f5af7b2 | 12 | #include "verify.h" |
0d29de83 | 13 | #include "trim.h" |
637ef8d9 | 14 | #include "lib/rand.h" |
51aa2da8 | 15 | #include "lib/hweight.h" |
e29d1b70 | 16 | |
eef6eea1 JA |
17 | #include "crc/md5.h" |
18 | #include "crc/crc64.h" | |
19 | #include "crc/crc32.h" | |
bac39e0e | 20 | #include "crc/crc32c.h" |
eef6eea1 JA |
21 | #include "crc/crc16.h" |
22 | #include "crc/crc7.h" | |
23 | #include "crc/sha256.h" | |
24 | #include "crc/sha512.h" | |
7c353ceb | 25 | #include "crc/sha1.h" |
844ea602 | 26 | #include "crc/xxhash.h" |
cd14cc10 | 27 | |
7d9fb455 JA |
28 | static void populate_hdr(struct thread_data *td, struct io_u *io_u, |
29 | struct verify_header *hdr, unsigned int header_num, | |
30 | unsigned int header_len); | |
9ba987cc JA |
31 | static void fill_hdr(struct verify_header *hdr, int verify_type, uint32_t len, |
32 | uint64_t rand_seed); | |
ed3a433d JA |
33 | static void __fill_hdr(struct verify_header *hdr, int verify_type, uint32_t len, |
34 | uint64_t rand_seed); | |
7d9fb455 | 35 | |
ce35b1ec JA |
36 | void fill_buffer_pattern(struct thread_data *td, void *p, unsigned int len) |
37 | { | |
632ae347 | 38 | fill_pattern(p, len, td->o.buffer_pattern, td->o.buffer_pattern_bytes); |
ce35b1ec JA |
39 | } |
40 | ||
7fa085ea JA |
41 | void __fill_buffer(struct thread_options *o, unsigned long seed, void *p, |
42 | unsigned int len) | |
43 | { | |
44 | __fill_random_buf_percentage(seed, p, o->compress_percentage, len, len, o->buffer_pattern, o->buffer_pattern_bytes); | |
45 | } | |
46 | ||
47 | unsigned long fill_buffer(struct thread_data *td, void *p, unsigned int len) | |
48 | { | |
49 | struct frand_state *fs = &td->verify_state; | |
50 | struct thread_options *o = &td->o; | |
51 | ||
52 | return fill_random_buf_percentage(fs, p, o->compress_percentage, len, len, o->buffer_pattern, o->buffer_pattern_bytes); | |
53 | } | |
54 | ||
ce35b1ec JA |
55 | void fill_verify_pattern(struct thread_data *td, void *p, unsigned int len, |
56 | struct io_u *io_u, unsigned long seed, int use_seed) | |
57 | { | |
bc769898 JA |
58 | struct thread_options *o = &td->o; |
59 | ||
60 | if (!o->verify_pattern_bytes) { | |
ce35b1ec JA |
61 | dprint(FD_VERIFY, "fill random bytes len=%u\n", len); |
62 | ||
63 | if (use_seed) | |
7fa085ea JA |
64 | __fill_buffer(o, seed, p, len); |
65 | else | |
66 | io_u->rand_seed = fill_buffer(td, p, len); | |
ce35b1ec JA |
67 | return; |
68 | } | |
c4b6117b | 69 | |
ce35b1ec JA |
70 | if (io_u->buf_filled_len >= len) { |
71 | dprint(FD_VERIFY, "using already filled verify pattern b=%d len=%u\n", | |
bc769898 | 72 | o->verify_pattern_bytes, len); |
ce35b1ec JA |
73 | return; |
74 | } | |
75 | ||
bc769898 | 76 | fill_pattern(p, len, o->verify_pattern, o->verify_pattern_bytes); |
ce35b1ec JA |
77 | io_u->buf_filled_len = len; |
78 | } | |
79 | ||
cfbcd0dc JA |
80 | static unsigned int get_hdr_inc(struct thread_data *td, struct io_u *io_u) |
81 | { | |
82 | unsigned int hdr_inc; | |
83 | ||
84 | hdr_inc = io_u->buflen; | |
8a99fdf6 | 85 | if (td->o.verify_interval && td->o.verify_interval <= io_u->buflen) |
cfbcd0dc JA |
86 | hdr_inc = td->o.verify_interval; |
87 | ||
88 | return hdr_inc; | |
89 | } | |
90 | ||
c50ca7bd JA |
91 | static void fill_pattern_headers(struct thread_data *td, struct io_u *io_u, |
92 | unsigned long seed, int use_seed) | |
93 | { | |
94 | unsigned int hdr_inc, header_num; | |
95 | struct verify_header *hdr; | |
96 | void *p = io_u->buf; | |
97 | ||
ce35b1ec | 98 | fill_verify_pattern(td, p, io_u->buflen, io_u, seed, use_seed); |
c50ca7bd | 99 | |
cfbcd0dc | 100 | hdr_inc = get_hdr_inc(td, io_u); |
c50ca7bd JA |
101 | header_num = 0; |
102 | for (; p < io_u->buf + io_u->buflen; p += hdr_inc) { | |
103 | hdr = p; | |
104 | populate_hdr(td, io_u, hdr, header_num, hdr_inc); | |
105 | header_num++; | |
106 | } | |
107 | } | |
108 | ||
4764aec9 | 109 | static void memswp(void *buf1, void *buf2, unsigned int len) |
546a9142 | 110 | { |
dee6de74 SL |
111 | char swap[200]; |
112 | ||
113 | assert(len <= sizeof(swap)); | |
90059d65 | 114 | |
546a9142 SL |
115 | memcpy(&swap, buf1, len); |
116 | memcpy(buf1, buf2, len); | |
117 | memcpy(buf2, &swap, len); | |
118 | } | |
119 | ||
e29d1b70 JA |
120 | static void hexdump(void *buffer, int len) |
121 | { | |
122 | unsigned char *p = buffer; | |
123 | int i; | |
124 | ||
125 | for (i = 0; i < len; i++) | |
bfacf389 JA |
126 | log_err("%02x", p[i]); |
127 | log_err("\n"); | |
e29d1b70 JA |
128 | } |
129 | ||
87677832 | 130 | /* |
de8f6de9 | 131 | * Prepare for separation of verify_header and checksum header |
87677832 | 132 | */ |
546dfd9f | 133 | static inline unsigned int __hdr_size(int verify_type) |
87677832 | 134 | { |
03e20d68 | 135 | unsigned int len = 0; |
87677832 | 136 | |
546dfd9f JA |
137 | switch (verify_type) { |
138 | case VERIFY_NONE: | |
139 | case VERIFY_NULL: | |
ed3a433d | 140 | case VERIFY_PATTERN: |
546dfd9f JA |
141 | len = 0; |
142 | break; | |
143 | case VERIFY_MD5: | |
144 | len = sizeof(struct vhdr_md5); | |
145 | break; | |
146 | case VERIFY_CRC64: | |
147 | len = sizeof(struct vhdr_crc64); | |
148 | break; | |
bac39e0e | 149 | case VERIFY_CRC32C: |
546dfd9f | 150 | case VERIFY_CRC32: |
3845591f | 151 | case VERIFY_CRC32C_INTEL: |
546dfd9f JA |
152 | len = sizeof(struct vhdr_crc32); |
153 | break; | |
154 | case VERIFY_CRC16: | |
155 | len = sizeof(struct vhdr_crc16); | |
156 | break; | |
157 | case VERIFY_CRC7: | |
158 | len = sizeof(struct vhdr_crc7); | |
159 | break; | |
160 | case VERIFY_SHA256: | |
161 | len = sizeof(struct vhdr_sha256); | |
162 | break; | |
163 | case VERIFY_SHA512: | |
164 | len = sizeof(struct vhdr_sha512); | |
165 | break; | |
844ea602 JA |
166 | case VERIFY_XXHASH: |
167 | len = sizeof(struct vhdr_xxhash); | |
168 | break; | |
7437ee87 SL |
169 | case VERIFY_META: |
170 | len = sizeof(struct vhdr_meta); | |
171 | break; | |
7c353ceb JA |
172 | case VERIFY_SHA1: |
173 | len = sizeof(struct vhdr_sha1); | |
174 | break; | |
59245381 | 175 | case VERIFY_PATTERN_NO_HDR: |
ed3a433d | 176 | return 0; |
546dfd9f JA |
177 | default: |
178 | log_err("fio: unknown verify header!\n"); | |
179 | assert(0); | |
180 | } | |
181 | ||
182 | return len + sizeof(struct verify_header); | |
87677832 JA |
183 | } |
184 | ||
ed3a433d JA |
185 | static inline unsigned int hdr_size(struct thread_data *td, |
186 | struct verify_header *hdr) | |
87677832 | 187 | { |
ed3a433d JA |
188 | if (td->o.verify == VERIFY_PATTERN_NO_HDR) |
189 | return 0; | |
190 | ||
546dfd9f JA |
191 | return __hdr_size(hdr->verify_type); |
192 | } | |
193 | ||
194 | static void *hdr_priv(struct verify_header *hdr) | |
195 | { | |
196 | void *priv = hdr; | |
197 | ||
198 | return priv + sizeof(struct verify_header); | |
87677832 JA |
199 | } |
200 | ||
936216f8 JA |
201 | /* |
202 | * Verify container, pass info to verify handlers and allow them to | |
203 | * pass info back in case of error | |
204 | */ | |
205 | struct vcont { | |
206 | /* | |
207 | * Input | |
208 | */ | |
209 | struct io_u *io_u; | |
210 | unsigned int hdr_num; | |
7d9fb455 | 211 | struct thread_data *td; |
936216f8 JA |
212 | |
213 | /* | |
214 | * Output, only valid in case of error | |
215 | */ | |
bfacf389 JA |
216 | const char *name; |
217 | void *good_crc; | |
218 | void *bad_crc; | |
936216f8 JA |
219 | unsigned int crc_len; |
220 | }; | |
221 | ||
dacbbb88 JA |
222 | #define DUMP_BUF_SZ 255 |
223 | static int dump_buf_warned; | |
224 | ||
c50ca7bd JA |
225 | static void dump_buf(char *buf, unsigned int len, unsigned long long offset, |
226 | const char *type, struct fio_file *f) | |
7d9fb455 | 227 | { |
dacbbb88 JA |
228 | char *ptr, fname[DUMP_BUF_SZ]; |
229 | size_t buf_left = DUMP_BUF_SZ; | |
7d9fb455 JA |
230 | int ret, fd; |
231 | ||
6f260b31 | 232 | ptr = strdup(f->file_name); |
c50ca7bd | 233 | |
d264264a JA |
234 | memset(fname, 0, sizeof(fname)); |
235 | if (aux_path) | |
236 | sprintf(fname, "%s%s", aux_path, FIO_OS_PATH_SEPARATOR); | |
237 | ||
238 | strncpy(fname + strlen(fname), basename(ptr), buf_left - 1); | |
dacbbb88 JA |
239 | |
240 | buf_left -= strlen(fname); | |
241 | if (buf_left <= 0) { | |
242 | if (!dump_buf_warned) { | |
243 | log_err("fio: verify failure dump buffer too small\n"); | |
244 | dump_buf_warned = 1; | |
245 | } | |
246 | free(ptr); | |
247 | return; | |
248 | } | |
249 | ||
250 | snprintf(fname + strlen(fname), buf_left, ".%llu.%s", offset, type); | |
7d9fb455 JA |
251 | |
252 | fd = open(fname, O_CREAT | O_TRUNC | O_WRONLY, 0644); | |
253 | if (fd < 0) { | |
254 | perror("open verify buf file"); | |
255 | return; | |
256 | } | |
257 | ||
258 | while (len) { | |
259 | ret = write(fd, buf, len); | |
260 | if (!ret) | |
261 | break; | |
262 | else if (ret < 0) { | |
263 | perror("write verify buf file"); | |
264 | break; | |
265 | } | |
266 | len -= ret; | |
267 | buf += ret; | |
268 | } | |
269 | ||
270 | close(fd); | |
c50ca7bd | 271 | log_err(" %s data dumped as %s\n", type, fname); |
6f260b31 | 272 | free(ptr); |
7d9fb455 JA |
273 | } |
274 | ||
c50ca7bd JA |
275 | /* |
276 | * Dump the contents of the read block and re-generate the correct data | |
277 | * and dump that too. | |
278 | */ | |
9ba987cc | 279 | static void __dump_verify_buffers(struct verify_header *hdr, struct vcont *vc) |
7d9fb455 JA |
280 | { |
281 | struct thread_data *td = vc->td; | |
282 | struct io_u *io_u = vc->io_u; | |
283 | unsigned long hdr_offset; | |
7d9fb455 | 284 | struct io_u dummy; |
c50ca7bd | 285 | void *buf; |
7d9fb455 | 286 | |
0dce9bc9 SL |
287 | if (!td->o.verify_dump) |
288 | return; | |
289 | ||
c50ca7bd JA |
290 | /* |
291 | * Dump the contents we just read off disk | |
292 | */ | |
7d9fb455 JA |
293 | hdr_offset = vc->hdr_num * hdr->len; |
294 | ||
c50ca7bd JA |
295 | dump_buf(io_u->buf + hdr_offset, hdr->len, io_u->offset + hdr_offset, |
296 | "received", vc->io_u->file); | |
7d9fb455 | 297 | |
c50ca7bd JA |
298 | /* |
299 | * Allocate a new buf and re-generate the original data | |
300 | */ | |
301 | buf = malloc(io_u->buflen); | |
7d9fb455 | 302 | dummy = *io_u; |
c50ca7bd | 303 | dummy.buf = buf; |
4aae38a6 | 304 | dummy.rand_seed = hdr->rand_seed; |
cfbcd0dc | 305 | dummy.buf_filled_len = 0; |
0d81daf9 | 306 | dummy.buflen = io_u->buflen; |
7d9fb455 | 307 | |
c50ca7bd | 308 | fill_pattern_headers(td, &dummy, hdr->rand_seed, 1); |
7d9fb455 | 309 | |
c50ca7bd JA |
310 | dump_buf(buf + hdr_offset, hdr->len, io_u->offset + hdr_offset, |
311 | "expected", vc->io_u->file); | |
7d9fb455 JA |
312 | free(buf); |
313 | } | |
314 | ||
9ba987cc JA |
315 | static void dump_verify_buffers(struct verify_header *hdr, struct vcont *vc) |
316 | { | |
317 | struct thread_data *td = vc->td; | |
318 | struct verify_header shdr; | |
319 | ||
320 | if (td->o.verify == VERIFY_PATTERN_NO_HDR) { | |
ed3a433d | 321 | __fill_hdr(&shdr, td->o.verify, vc->io_u->buflen, 0); |
9ba987cc JA |
322 | hdr = &shdr; |
323 | } | |
324 | ||
325 | __dump_verify_buffers(hdr, vc); | |
326 | } | |
327 | ||
bfacf389 JA |
328 | static void log_verify_failure(struct verify_header *hdr, struct vcont *vc) |
329 | { | |
330 | unsigned long long offset; | |
331 | ||
332 | offset = vc->io_u->offset; | |
333 | offset += vc->hdr_num * hdr->len; | |
32c17adf JA |
334 | log_err("%.8s: verify failed at file %s offset %llu, length %u\n", |
335 | vc->name, vc->io_u->file->file_name, offset, hdr->len); | |
bfacf389 JA |
336 | |
337 | if (vc->good_crc && vc->bad_crc) { | |
338 | log_err(" Expected CRC: "); | |
339 | hexdump(vc->good_crc, vc->crc_len); | |
340 | log_err(" Received CRC: "); | |
341 | hexdump(vc->bad_crc, vc->crc_len); | |
342 | } | |
7d9fb455 JA |
343 | |
344 | dump_verify_buffers(hdr, vc); | |
bfacf389 JA |
345 | } |
346 | ||
d9f2caf3 JA |
347 | /* |
348 | * Return data area 'header_num' | |
349 | */ | |
936216f8 | 350 | static inline void *io_u_verify_off(struct verify_header *hdr, struct vcont *vc) |
d9f2caf3 | 351 | { |
ed3a433d | 352 | return vc->io_u->buf + vc->hdr_num * hdr->len + hdr_size(vc->td, hdr); |
d9f2caf3 JA |
353 | } |
354 | ||
92bf48d5 JA |
355 | static int verify_io_u_pattern(struct verify_header *hdr, struct vcont *vc) |
356 | { | |
357 | struct thread_data *td = vc->td; | |
358 | struct io_u *io_u = vc->io_u; | |
359 | char *buf, *pattern; | |
2b13e716 | 360 | unsigned int header_size = __hdr_size(td->o.verify); |
9a2a86d0 | 361 | unsigned int len, mod, i, size, pattern_size; |
92bf48d5 JA |
362 | |
363 | pattern = td->o.verify_pattern; | |
9a2a86d0 SL |
364 | pattern_size = td->o.verify_pattern_bytes; |
365 | if (pattern_size <= 1) | |
366 | pattern_size = MAX_PATTERN_SIZE; | |
2b13e716 JA |
367 | buf = (void *) hdr + header_size; |
368 | len = get_hdr_inc(td, io_u) - header_size; | |
9a2a86d0 SL |
369 | mod = header_size % pattern_size; |
370 | ||
371 | for (i = 0; i < len; i += size) { | |
372 | size = pattern_size - mod; | |
373 | if (size > (len - i)) | |
374 | size = len - i; | |
375 | if (memcmp(buf + i, pattern + mod, size)) | |
e4ad68b1 | 376 | /* Let the slow compare find the first mismatch byte. */ |
9a2a86d0 SL |
377 | break; |
378 | mod = 0; | |
379 | } | |
92bf48d5 | 380 | |
9a2a86d0 | 381 | for (; i < len; i++) { |
92bf48d5 JA |
382 | if (buf[i] != pattern[mod]) { |
383 | unsigned int bits; | |
384 | ||
385 | bits = hweight8(buf[i] ^ pattern[mod]); | |
386 | log_err("fio: got pattern %x, wanted %x. Bad bits %d\n", | |
387 | buf[i], pattern[mod], bits); | |
388 | log_err("fio: bad pattern block offset %u\n", i); | |
389 | dump_verify_buffers(hdr, vc); | |
390 | return EILSEQ; | |
391 | } | |
392 | mod++; | |
393 | if (mod == td->o.verify_pattern_bytes) | |
394 | mod = 0; | |
395 | } | |
396 | ||
397 | return 0; | |
398 | } | |
399 | ||
400 | static int verify_io_u_meta(struct verify_header *hdr, struct vcont *vc) | |
7437ee87 | 401 | { |
92bf48d5 | 402 | struct thread_data *td = vc->td; |
7437ee87 | 403 | struct vhdr_meta *vh = hdr_priv(hdr); |
936216f8 | 404 | struct io_u *io_u = vc->io_u; |
92bf48d5 | 405 | int ret = EILSEQ; |
7437ee87 | 406 | |
bd6f78b2 JA |
407 | dprint(FD_VERIFY, "meta verify io_u %p, len %u\n", io_u, hdr->len); |
408 | ||
bfacf389 | 409 | if (vh->offset == io_u->offset + vc->hdr_num * td->o.verify_interval) |
92bf48d5 JA |
410 | ret = 0; |
411 | ||
412 | if (td->o.verify_pattern_bytes) | |
413 | ret |= verify_io_u_pattern(hdr, vc); | |
414 | ||
da0a7bd2 JC |
415 | /* |
416 | * For read-only workloads, the program cannot be certain of the | |
8bca6016 JA |
417 | * last numberio written to a block. Checking of numberio will be |
418 | * done only for workloads that write data. For verify_only, | |
419 | * numberio will be checked in the last iteration when the correct | |
420 | * state of numberio, that would have been written to each block | |
421 | * in a previous run of fio, has been reached. | |
da0a7bd2 | 422 | */ |
b7f5c00d JA |
423 | if ((td_write(td) || td_rw(td)) && (td_min_bs(td) == td_max_bs(td)) && |
424 | !td->o.time_based) | |
62167762 JC |
425 | if (!td->o.verify_only || td->o.loops == 0) |
426 | if (vh->numberio != io_u->numberio) | |
427 | ret = EILSEQ; | |
da0a7bd2 | 428 | |
92bf48d5 | 429 | if (!ret) |
bfacf389 | 430 | return 0; |
7437ee87 | 431 | |
bfacf389 JA |
432 | vc->name = "meta"; |
433 | log_verify_failure(hdr, vc); | |
92bf48d5 | 434 | return ret; |
7437ee87 SL |
435 | } |
436 | ||
844ea602 JA |
437 | static int verify_io_u_xxhash(struct verify_header *hdr, struct vcont *vc) |
438 | { | |
439 | void *p = io_u_verify_off(hdr, vc); | |
440 | struct vhdr_xxhash *vh = hdr_priv(hdr); | |
441 | uint32_t hash; | |
442 | void *state; | |
443 | ||
444 | dprint(FD_VERIFY, "xxhash verify io_u %p, len %u\n", vc->io_u, hdr->len); | |
445 | ||
446 | state = XXH32_init(1); | |
ed3a433d | 447 | XXH32_update(state, p, hdr->len - hdr_size(vc->td, hdr)); |
844ea602 JA |
448 | hash = XXH32_digest(state); |
449 | ||
450 | if (vh->hash == hash) | |
451 | return 0; | |
452 | ||
453 | vc->name = "xxhash"; | |
454 | vc->good_crc = &vh->hash; | |
455 | vc->bad_crc = &hash; | |
456 | vc->crc_len = sizeof(hash); | |
457 | log_verify_failure(hdr, vc); | |
458 | return EILSEQ; | |
459 | } | |
460 | ||
936216f8 | 461 | static int verify_io_u_sha512(struct verify_header *hdr, struct vcont *vc) |
cd14cc10 | 462 | { |
936216f8 | 463 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 464 | struct vhdr_sha512 *vh = hdr_priv(hdr); |
cd14cc10 | 465 | uint8_t sha512[128]; |
25dfa848 | 466 | struct fio_sha512_ctx sha512_ctx = { |
cd14cc10 JA |
467 | .buf = sha512, |
468 | }; | |
469 | ||
936216f8 | 470 | dprint(FD_VERIFY, "sha512 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 471 | |
25dfa848 | 472 | fio_sha512_init(&sha512_ctx); |
ed3a433d | 473 | fio_sha512_update(&sha512_ctx, p, hdr->len - hdr_size(vc->td, hdr)); |
cd14cc10 | 474 | |
bfacf389 JA |
475 | if (!memcmp(vh->sha512, sha512_ctx.buf, sizeof(sha512))) |
476 | return 0; | |
cd14cc10 | 477 | |
bfacf389 JA |
478 | vc->name = "sha512"; |
479 | vc->good_crc = vh->sha512; | |
480 | vc->bad_crc = sha512_ctx.buf; | |
481 | vc->crc_len = sizeof(vh->sha512); | |
482 | log_verify_failure(hdr, vc); | |
483 | return EILSEQ; | |
cd14cc10 JA |
484 | } |
485 | ||
936216f8 | 486 | static int verify_io_u_sha256(struct verify_header *hdr, struct vcont *vc) |
cd14cc10 | 487 | { |
936216f8 | 488 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 489 | struct vhdr_sha256 *vh = hdr_priv(hdr); |
bc77f56f | 490 | uint8_t sha256[64]; |
25dfa848 | 491 | struct fio_sha256_ctx sha256_ctx = { |
cd14cc10 JA |
492 | .buf = sha256, |
493 | }; | |
494 | ||
936216f8 | 495 | dprint(FD_VERIFY, "sha256 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 496 | |
25dfa848 | 497 | fio_sha256_init(&sha256_ctx); |
ed3a433d | 498 | fio_sha256_update(&sha256_ctx, p, hdr->len - hdr_size(vc->td, hdr)); |
017052b6 | 499 | fio_sha256_final(&sha256_ctx); |
cd14cc10 | 500 | |
bfacf389 JA |
501 | if (!memcmp(vh->sha256, sha256_ctx.buf, sizeof(sha256))) |
502 | return 0; | |
cd14cc10 | 503 | |
bfacf389 JA |
504 | vc->name = "sha256"; |
505 | vc->good_crc = vh->sha256; | |
506 | vc->bad_crc = sha256_ctx.buf; | |
507 | vc->crc_len = sizeof(vh->sha256); | |
508 | log_verify_failure(hdr, vc); | |
509 | return EILSEQ; | |
cd14cc10 JA |
510 | } |
511 | ||
936216f8 | 512 | static int verify_io_u_sha1(struct verify_header *hdr, struct vcont *vc) |
7c353ceb | 513 | { |
936216f8 | 514 | void *p = io_u_verify_off(hdr, vc); |
7c353ceb JA |
515 | struct vhdr_sha1 *vh = hdr_priv(hdr); |
516 | uint32_t sha1[5]; | |
25dfa848 | 517 | struct fio_sha1_ctx sha1_ctx = { |
7c353ceb JA |
518 | .H = sha1, |
519 | }; | |
520 | ||
936216f8 | 521 | dprint(FD_VERIFY, "sha1 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
7c353ceb | 522 | |
25dfa848 | 523 | fio_sha1_init(&sha1_ctx); |
ed3a433d | 524 | fio_sha1_update(&sha1_ctx, p, hdr->len - hdr_size(vc->td, hdr)); |
017052b6 | 525 | fio_sha1_final(&sha1_ctx); |
7c353ceb | 526 | |
bfacf389 JA |
527 | if (!memcmp(vh->sha1, sha1_ctx.H, sizeof(sha1))) |
528 | return 0; | |
7c353ceb | 529 | |
bfacf389 JA |
530 | vc->name = "sha1"; |
531 | vc->good_crc = vh->sha1; | |
532 | vc->bad_crc = sha1_ctx.H; | |
533 | vc->crc_len = sizeof(vh->sha1); | |
534 | log_verify_failure(hdr, vc); | |
535 | return EILSEQ; | |
7c353ceb JA |
536 | } |
537 | ||
936216f8 | 538 | static int verify_io_u_crc7(struct verify_header *hdr, struct vcont *vc) |
1e154bdb | 539 | { |
936216f8 | 540 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 541 | struct vhdr_crc7 *vh = hdr_priv(hdr); |
1e154bdb JA |
542 | unsigned char c; |
543 | ||
936216f8 | 544 | dprint(FD_VERIFY, "crc7 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 545 | |
ed3a433d | 546 | c = fio_crc7(p, hdr->len - hdr_size(vc->td, hdr)); |
1e154bdb | 547 | |
bfacf389 JA |
548 | if (c == vh->crc7) |
549 | return 0; | |
1e154bdb | 550 | |
bfacf389 JA |
551 | vc->name = "crc7"; |
552 | vc->good_crc = &vh->crc7; | |
553 | vc->bad_crc = &c; | |
554 | vc->crc_len = 1; | |
555 | log_verify_failure(hdr, vc); | |
556 | return EILSEQ; | |
1e154bdb JA |
557 | } |
558 | ||
936216f8 | 559 | static int verify_io_u_crc16(struct verify_header *hdr, struct vcont *vc) |
969f7ed3 | 560 | { |
936216f8 | 561 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 562 | struct vhdr_crc16 *vh = hdr_priv(hdr); |
969f7ed3 JA |
563 | unsigned short c; |
564 | ||
936216f8 | 565 | dprint(FD_VERIFY, "crc16 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 566 | |
ed3a433d | 567 | c = fio_crc16(p, hdr->len - hdr_size(vc->td, hdr)); |
969f7ed3 | 568 | |
bfacf389 JA |
569 | if (c == vh->crc16) |
570 | return 0; | |
969f7ed3 | 571 | |
bfacf389 JA |
572 | vc->name = "crc16"; |
573 | vc->good_crc = &vh->crc16; | |
574 | vc->bad_crc = &c; | |
575 | vc->crc_len = 2; | |
576 | log_verify_failure(hdr, vc); | |
577 | return EILSEQ; | |
969f7ed3 JA |
578 | } |
579 | ||
936216f8 | 580 | static int verify_io_u_crc64(struct verify_header *hdr, struct vcont *vc) |
d77a7af3 | 581 | { |
936216f8 | 582 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 583 | struct vhdr_crc64 *vh = hdr_priv(hdr); |
d77a7af3 JA |
584 | unsigned long long c; |
585 | ||
936216f8 | 586 | dprint(FD_VERIFY, "crc64 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 587 | |
ed3a433d | 588 | c = fio_crc64(p, hdr->len - hdr_size(vc->td, hdr)); |
d77a7af3 | 589 | |
bfacf389 JA |
590 | if (c == vh->crc64) |
591 | return 0; | |
d77a7af3 | 592 | |
bfacf389 JA |
593 | vc->name = "crc64"; |
594 | vc->good_crc = &vh->crc64; | |
595 | vc->bad_crc = &c; | |
596 | vc->crc_len = 8; | |
597 | log_verify_failure(hdr, vc); | |
598 | return EILSEQ; | |
d77a7af3 JA |
599 | } |
600 | ||
936216f8 | 601 | static int verify_io_u_crc32(struct verify_header *hdr, struct vcont *vc) |
e29d1b70 | 602 | { |
936216f8 | 603 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f JA |
604 | struct vhdr_crc32 *vh = hdr_priv(hdr); |
605 | uint32_t c; | |
e29d1b70 | 606 | |
936216f8 | 607 | dprint(FD_VERIFY, "crc32 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 608 | |
ed3a433d | 609 | c = fio_crc32(p, hdr->len - hdr_size(vc->td, hdr)); |
e29d1b70 | 610 | |
bfacf389 JA |
611 | if (c == vh->crc32) |
612 | return 0; | |
e29d1b70 | 613 | |
bfacf389 JA |
614 | vc->name = "crc32"; |
615 | vc->good_crc = &vh->crc32; | |
616 | vc->bad_crc = &c; | |
617 | vc->crc_len = 4; | |
618 | log_verify_failure(hdr, vc); | |
619 | return EILSEQ; | |
e29d1b70 JA |
620 | } |
621 | ||
936216f8 | 622 | static int verify_io_u_crc32c(struct verify_header *hdr, struct vcont *vc) |
bac39e0e | 623 | { |
936216f8 | 624 | void *p = io_u_verify_off(hdr, vc); |
bac39e0e JA |
625 | struct vhdr_crc32 *vh = hdr_priv(hdr); |
626 | uint32_t c; | |
627 | ||
936216f8 | 628 | dprint(FD_VERIFY, "crc32c verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bac39e0e | 629 | |
ed3a433d | 630 | c = fio_crc32c(p, hdr->len - hdr_size(vc->td, hdr)); |
bac39e0e | 631 | |
bfacf389 JA |
632 | if (c == vh->crc32) |
633 | return 0; | |
bac39e0e | 634 | |
bfacf389 JA |
635 | vc->name = "crc32c"; |
636 | vc->good_crc = &vh->crc32; | |
637 | vc->bad_crc = &c; | |
638 | vc->crc_len = 4; | |
639 | log_verify_failure(hdr, vc); | |
640 | return EILSEQ; | |
bac39e0e JA |
641 | } |
642 | ||
936216f8 | 643 | static int verify_io_u_md5(struct verify_header *hdr, struct vcont *vc) |
e29d1b70 | 644 | { |
936216f8 | 645 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 646 | struct vhdr_md5 *vh = hdr_priv(hdr); |
8c432325 | 647 | uint32_t hash[MD5_HASH_WORDS]; |
25dfa848 | 648 | struct fio_md5_ctx md5_ctx = { |
8c432325 JA |
649 | .hash = hash, |
650 | }; | |
e29d1b70 | 651 | |
936216f8 | 652 | dprint(FD_VERIFY, "md5 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 653 | |
25dfa848 | 654 | fio_md5_init(&md5_ctx); |
ed3a433d | 655 | fio_md5_update(&md5_ctx, p, hdr->len - hdr_size(vc->td, hdr)); |
017052b6 | 656 | fio_md5_final(&md5_ctx); |
e29d1b70 | 657 | |
bfacf389 JA |
658 | if (!memcmp(vh->md5_digest, md5_ctx.hash, sizeof(hash))) |
659 | return 0; | |
e29d1b70 | 660 | |
bfacf389 JA |
661 | vc->name = "md5"; |
662 | vc->good_crc = vh->md5_digest; | |
663 | vc->bad_crc = md5_ctx.hash; | |
664 | vc->crc_len = sizeof(hash); | |
665 | log_verify_failure(hdr, vc); | |
666 | return EILSEQ; | |
e29d1b70 JA |
667 | } |
668 | ||
e8462bd8 JA |
669 | /* |
670 | * Push IO verification to a separate thread | |
671 | */ | |
f8b0bd10 | 672 | int verify_io_u_async(struct thread_data *td, struct io_u **io_u_ptr) |
e8462bd8 | 673 | { |
f8b0bd10 | 674 | struct io_u *io_u = *io_u_ptr; |
e8462bd8 | 675 | |
e8462bd8 | 676 | pthread_mutex_lock(&td->io_u_lock); |
d7ee2a7d | 677 | |
f8b0bd10 JA |
678 | if (io_u->file) |
679 | put_file_log(td, io_u->file); | |
680 | ||
0c41214f RR |
681 | if (io_u->flags & IO_U_F_IN_CUR_DEPTH) { |
682 | td->cur_depth--; | |
a9da8ab2 | 683 | io_u_clear(io_u, IO_U_F_IN_CUR_DEPTH); |
0c41214f | 684 | } |
2ae0b204 | 685 | flist_add_tail(&io_u->verify_list, &td->verify_list); |
f8b0bd10 | 686 | *io_u_ptr = NULL; |
e8462bd8 JA |
687 | pthread_mutex_unlock(&td->io_u_lock); |
688 | ||
689 | pthread_cond_signal(&td->verify_cond); | |
e8462bd8 JA |
690 | return 0; |
691 | } | |
692 | ||
0d29de83 JA |
693 | static int verify_trimmed_io_u(struct thread_data *td, struct io_u *io_u) |
694 | { | |
695 | static char zero_buf[1024]; | |
696 | unsigned int this_len, len; | |
697 | int ret = 0; | |
698 | void *p; | |
699 | ||
700 | if (!td->o.trim_zero) | |
701 | return 0; | |
702 | ||
703 | len = io_u->buflen; | |
704 | p = io_u->buf; | |
705 | do { | |
706 | this_len = sizeof(zero_buf); | |
707 | if (this_len > len) | |
708 | this_len = len; | |
709 | if (memcmp(p, zero_buf, this_len)) { | |
710 | ret = EILSEQ; | |
711 | break; | |
712 | } | |
713 | len -= this_len; | |
714 | p += this_len; | |
715 | } while (len); | |
716 | ||
717 | if (!ret) | |
718 | return 0; | |
719 | ||
a917a8b3 JA |
720 | log_err("trim: verify failed at file %s offset %llu, length %lu" |
721 | ", block offset %lu\n", | |
722 | io_u->file->file_name, io_u->offset, io_u->buflen, | |
2f68124f | 723 | (unsigned long) (p - io_u->buf)); |
0d29de83 JA |
724 | return ret; |
725 | } | |
726 | ||
5964842c AG |
727 | static int verify_header(struct io_u *io_u, struct verify_header *hdr, |
728 | unsigned int hdr_num, unsigned int hdr_len) | |
f65d1c26 JA |
729 | { |
730 | void *p = hdr; | |
731 | uint32_t crc; | |
732 | ||
5964842c AG |
733 | if (hdr->magic != FIO_HDR_MAGIC) { |
734 | log_err("verify: bad magic header %x, wanted %x", | |
735 | hdr->magic, FIO_HDR_MAGIC); | |
736 | goto err; | |
737 | } | |
4445856a | 738 | if (hdr->len != hdr_len) { |
5964842c AG |
739 | log_err("verify: bad header length %u, wanted %u", |
740 | hdr->len, hdr_len); | |
741 | goto err; | |
742 | } | |
743 | if (hdr->rand_seed != io_u->rand_seed) { | |
744 | log_err("verify: bad header rand_seed %"PRIu64 | |
745 | ", wanted %"PRIu64, | |
746 | hdr->rand_seed, io_u->rand_seed); | |
747 | goto err; | |
748 | } | |
ae38c0dc | 749 | |
25dfa848 | 750 | crc = fio_crc32c(p, offsetof(struct verify_header, crc32)); |
5964842c AG |
751 | if (crc != hdr->crc32) { |
752 | log_err("verify: bad header crc %x, calculated %x", | |
753 | hdr->crc32, crc); | |
754 | goto err; | |
755 | } | |
756 | return 0; | |
757 | ||
758 | err: | |
759 | log_err(" at file %s offset %llu, length %u\n", | |
760 | io_u->file->file_name, | |
761 | io_u->offset + hdr_num * hdr_len, hdr_len); | |
762 | return EILSEQ; | |
f65d1c26 JA |
763 | } |
764 | ||
f8b0bd10 | 765 | int verify_io_u(struct thread_data *td, struct io_u **io_u_ptr) |
e29d1b70 | 766 | { |
3f9f4e26 | 767 | struct verify_header *hdr; |
f8b0bd10 | 768 | struct io_u *io_u = *io_u_ptr; |
2b13e716 | 769 | unsigned int header_size, hdr_inc, hdr_num = 0; |
95646108 | 770 | void *p; |
e29d1b70 JA |
771 | int ret; |
772 | ||
1dcc0498 | 773 | if (td->o.verify == VERIFY_NULL || io_u->ddir != DDIR_READ) |
36690c9b | 774 | return 0; |
5c57c084 JA |
775 | /* |
776 | * If the IO engine is faking IO (like null), then just pretend | |
777 | * we verified everything. | |
778 | */ | |
779 | if (td->io_ops->flags & FIO_FAKEIO) | |
780 | return 0; | |
781 | ||
0d29de83 JA |
782 | if (io_u->flags & IO_U_F_TRIMMED) { |
783 | ret = verify_trimmed_io_u(td, io_u); | |
784 | goto done; | |
785 | } | |
36690c9b | 786 | |
cfbcd0dc | 787 | hdr_inc = get_hdr_inc(td, io_u); |
e29d1b70 | 788 | |
a12a3b4d | 789 | ret = 0; |
5ec10eaa JA |
790 | for (p = io_u->buf; p < io_u->buf + io_u->buflen; |
791 | p += hdr_inc, hdr_num++) { | |
bfacf389 JA |
792 | struct vcont vc = { |
793 | .io_u = io_u, | |
794 | .hdr_num = hdr_num, | |
7d9fb455 | 795 | .td = td, |
bfacf389 | 796 | }; |
f00b210f | 797 | unsigned int verify_type; |
936216f8 | 798 | |
f3e6cb95 | 799 | if (ret && td->o.verify_fatal) |
a12a3b4d | 800 | break; |
f3e6cb95 | 801 | |
2b13e716 | 802 | header_size = __hdr_size(td->o.verify); |
a59e170d | 803 | if (td->o.verify_offset) |
2b13e716 | 804 | memswp(p, p + td->o.verify_offset, header_size); |
95646108 | 805 | hdr = p; |
e29d1b70 | 806 | |
c4b6117b PV |
807 | /* |
808 | * Make rand_seed check pass when have verifysort or | |
809 | * verify_backlog. | |
810 | */ | |
811 | if (td->o.verifysort || (td->flags & TD_F_VER_BACKLOG)) | |
812 | io_u->rand_seed = hdr->rand_seed; | |
813 | ||
59245381 JA |
814 | if (td->o.verify != VERIFY_PATTERN_NO_HDR) { |
815 | ret = verify_header(io_u, hdr, hdr_num, hdr_inc); | |
816 | if (ret) | |
817 | return ret; | |
818 | } | |
3f199b01 | 819 | |
f00b210f JA |
820 | if (td->o.verify != VERIFY_NONE) |
821 | verify_type = td->o.verify; | |
822 | else | |
823 | verify_type = hdr->verify_type; | |
824 | ||
825 | switch (verify_type) { | |
3f9f4e26 | 826 | case VERIFY_MD5: |
936216f8 | 827 | ret = verify_io_u_md5(hdr, &vc); |
3f9f4e26 SL |
828 | break; |
829 | case VERIFY_CRC64: | |
936216f8 | 830 | ret = verify_io_u_crc64(hdr, &vc); |
3f9f4e26 | 831 | break; |
bac39e0e | 832 | case VERIFY_CRC32C: |
3845591f | 833 | case VERIFY_CRC32C_INTEL: |
936216f8 | 834 | ret = verify_io_u_crc32c(hdr, &vc); |
bac39e0e | 835 | break; |
3f9f4e26 | 836 | case VERIFY_CRC32: |
936216f8 | 837 | ret = verify_io_u_crc32(hdr, &vc); |
3f9f4e26 SL |
838 | break; |
839 | case VERIFY_CRC16: | |
936216f8 | 840 | ret = verify_io_u_crc16(hdr, &vc); |
3f9f4e26 SL |
841 | break; |
842 | case VERIFY_CRC7: | |
936216f8 | 843 | ret = verify_io_u_crc7(hdr, &vc); |
3f9f4e26 | 844 | break; |
cd14cc10 | 845 | case VERIFY_SHA256: |
936216f8 | 846 | ret = verify_io_u_sha256(hdr, &vc); |
cd14cc10 JA |
847 | break; |
848 | case VERIFY_SHA512: | |
936216f8 | 849 | ret = verify_io_u_sha512(hdr, &vc); |
cd14cc10 | 850 | break; |
844ea602 JA |
851 | case VERIFY_XXHASH: |
852 | ret = verify_io_u_xxhash(hdr, &vc); | |
853 | break; | |
7437ee87 | 854 | case VERIFY_META: |
92bf48d5 | 855 | ret = verify_io_u_meta(hdr, &vc); |
7437ee87 | 856 | break; |
7c353ceb | 857 | case VERIFY_SHA1: |
936216f8 | 858 | ret = verify_io_u_sha1(hdr, &vc); |
7c353ceb | 859 | break; |
92bf48d5 | 860 | case VERIFY_PATTERN: |
59245381 | 861 | case VERIFY_PATTERN_NO_HDR: |
92bf48d5 JA |
862 | ret = verify_io_u_pattern(hdr, &vc); |
863 | break; | |
3f9f4e26 SL |
864 | default: |
865 | log_err("Bad verify type %u\n", hdr->verify_type); | |
d16d4e09 | 866 | ret = EINVAL; |
3f9f4e26 | 867 | } |
f00b210f JA |
868 | |
869 | if (ret && verify_type != hdr->verify_type) | |
870 | log_err("fio: verify type mismatch (%u media, %u given)\n", | |
871 | hdr->verify_type, verify_type); | |
3f9f4e26 | 872 | } |
a7dfe862 | 873 | |
0d29de83 | 874 | done: |
f3e6cb95 | 875 | if (ret && td->o.verify_fatal) |
ebea2133 | 876 | fio_mark_td_terminate(td); |
f3e6cb95 | 877 | |
a12a3b4d | 878 | return ret; |
e29d1b70 JA |
879 | } |
880 | ||
7437ee87 | 881 | static void fill_meta(struct verify_header *hdr, struct thread_data *td, |
5ec10eaa | 882 | struct io_u *io_u, unsigned int header_num) |
7437ee87 SL |
883 | { |
884 | struct vhdr_meta *vh = hdr_priv(hdr); | |
885 | ||
886 | vh->thread = td->thread_number; | |
887 | ||
888 | vh->time_sec = io_u->start_time.tv_sec; | |
889 | vh->time_usec = io_u->start_time.tv_usec; | |
890 | ||
da0a7bd2 | 891 | vh->numberio = io_u->numberio; |
7437ee87 SL |
892 | |
893 | vh->offset = io_u->offset + header_num * td->o.verify_interval; | |
894 | } | |
895 | ||
844ea602 JA |
896 | static void fill_xxhash(struct verify_header *hdr, void *p, unsigned int len) |
897 | { | |
898 | struct vhdr_xxhash *vh = hdr_priv(hdr); | |
899 | void *state; | |
900 | ||
901 | state = XXH32_init(1); | |
902 | XXH32_update(state, p, len); | |
903 | vh->hash = XXH32_digest(state); | |
904 | } | |
905 | ||
cd14cc10 JA |
906 | static void fill_sha512(struct verify_header *hdr, void *p, unsigned int len) |
907 | { | |
546dfd9f | 908 | struct vhdr_sha512 *vh = hdr_priv(hdr); |
25dfa848 | 909 | struct fio_sha512_ctx sha512_ctx = { |
546dfd9f | 910 | .buf = vh->sha512, |
cd14cc10 JA |
911 | }; |
912 | ||
25dfa848 JA |
913 | fio_sha512_init(&sha512_ctx); |
914 | fio_sha512_update(&sha512_ctx, p, len); | |
cd14cc10 JA |
915 | } |
916 | ||
917 | static void fill_sha256(struct verify_header *hdr, void *p, unsigned int len) | |
918 | { | |
546dfd9f | 919 | struct vhdr_sha256 *vh = hdr_priv(hdr); |
25dfa848 | 920 | struct fio_sha256_ctx sha256_ctx = { |
546dfd9f | 921 | .buf = vh->sha256, |
cd14cc10 JA |
922 | }; |
923 | ||
25dfa848 JA |
924 | fio_sha256_init(&sha256_ctx); |
925 | fio_sha256_update(&sha256_ctx, p, len); | |
017052b6 | 926 | fio_sha256_final(&sha256_ctx); |
cd14cc10 JA |
927 | } |
928 | ||
7c353ceb JA |
929 | static void fill_sha1(struct verify_header *hdr, void *p, unsigned int len) |
930 | { | |
931 | struct vhdr_sha1 *vh = hdr_priv(hdr); | |
25dfa848 | 932 | struct fio_sha1_ctx sha1_ctx = { |
7c353ceb JA |
933 | .H = vh->sha1, |
934 | }; | |
935 | ||
25dfa848 JA |
936 | fio_sha1_init(&sha1_ctx); |
937 | fio_sha1_update(&sha1_ctx, p, len); | |
017052b6 | 938 | fio_sha1_final(&sha1_ctx); |
7c353ceb JA |
939 | } |
940 | ||
1e154bdb JA |
941 | static void fill_crc7(struct verify_header *hdr, void *p, unsigned int len) |
942 | { | |
546dfd9f JA |
943 | struct vhdr_crc7 *vh = hdr_priv(hdr); |
944 | ||
25dfa848 | 945 | vh->crc7 = fio_crc7(p, len); |
1e154bdb JA |
946 | } |
947 | ||
969f7ed3 JA |
948 | static void fill_crc16(struct verify_header *hdr, void *p, unsigned int len) |
949 | { | |
546dfd9f JA |
950 | struct vhdr_crc16 *vh = hdr_priv(hdr); |
951 | ||
25dfa848 | 952 | vh->crc16 = fio_crc16(p, len); |
969f7ed3 JA |
953 | } |
954 | ||
e29d1b70 JA |
955 | static void fill_crc32(struct verify_header *hdr, void *p, unsigned int len) |
956 | { | |
546dfd9f JA |
957 | struct vhdr_crc32 *vh = hdr_priv(hdr); |
958 | ||
25dfa848 | 959 | vh->crc32 = fio_crc32(p, len); |
e29d1b70 JA |
960 | } |
961 | ||
bac39e0e JA |
962 | static void fill_crc32c(struct verify_header *hdr, void *p, unsigned int len) |
963 | { | |
964 | struct vhdr_crc32 *vh = hdr_priv(hdr); | |
965 | ||
25dfa848 | 966 | vh->crc32 = fio_crc32c(p, len); |
bac39e0e JA |
967 | } |
968 | ||
d77a7af3 JA |
969 | static void fill_crc64(struct verify_header *hdr, void *p, unsigned int len) |
970 | { | |
546dfd9f JA |
971 | struct vhdr_crc64 *vh = hdr_priv(hdr); |
972 | ||
25dfa848 | 973 | vh->crc64 = fio_crc64(p, len); |
d77a7af3 JA |
974 | } |
975 | ||
e29d1b70 JA |
976 | static void fill_md5(struct verify_header *hdr, void *p, unsigned int len) |
977 | { | |
546dfd9f | 978 | struct vhdr_md5 *vh = hdr_priv(hdr); |
25dfa848 | 979 | struct fio_md5_ctx md5_ctx = { |
546dfd9f | 980 | .hash = (uint32_t *) vh->md5_digest, |
8c432325 | 981 | }; |
e29d1b70 | 982 | |
25dfa848 JA |
983 | fio_md5_init(&md5_ctx); |
984 | fio_md5_update(&md5_ctx, p, len); | |
017052b6 | 985 | fio_md5_final(&md5_ctx); |
e29d1b70 JA |
986 | } |
987 | ||
ed3a433d JA |
988 | static void __fill_hdr(struct verify_header *hdr, int verify_type, |
989 | uint32_t len, uint64_t rand_seed) | |
9ba987cc JA |
990 | { |
991 | void *p = hdr; | |
992 | ||
993 | hdr->magic = FIO_HDR_MAGIC; | |
994 | hdr->verify_type = verify_type; | |
995 | hdr->len = len; | |
996 | hdr->rand_seed = rand_seed; | |
997 | hdr->crc32 = fio_crc32c(p, offsetof(struct verify_header, crc32)); | |
998 | } | |
999 | ||
ed3a433d JA |
1000 | |
1001 | static void fill_hdr(struct verify_header *hdr, int verify_type, uint32_t len, | |
1002 | uint64_t rand_seed) | |
1003 | { | |
1004 | if (verify_type != VERIFY_PATTERN_NO_HDR) | |
1005 | __fill_hdr(hdr, verify_type, len, rand_seed); | |
1006 | } | |
1007 | ||
7d9fb455 JA |
1008 | static void populate_hdr(struct thread_data *td, struct io_u *io_u, |
1009 | struct verify_header *hdr, unsigned int header_num, | |
1010 | unsigned int header_len) | |
1011 | { | |
1012 | unsigned int data_len; | |
1013 | void *data, *p; | |
1014 | ||
1015 | p = (void *) hdr; | |
1016 | ||
9ba987cc | 1017 | fill_hdr(hdr, td->o.verify, header_len, io_u->rand_seed); |
f65d1c26 | 1018 | |
ed3a433d | 1019 | data_len = header_len - hdr_size(td, hdr); |
7d9fb455 | 1020 | |
ed3a433d | 1021 | data = p + hdr_size(td, hdr); |
7d9fb455 JA |
1022 | switch (td->o.verify) { |
1023 | case VERIFY_MD5: | |
1024 | dprint(FD_VERIFY, "fill md5 io_u %p, len %u\n", | |
1025 | io_u, hdr->len); | |
1026 | fill_md5(hdr, data, data_len); | |
1027 | break; | |
1028 | case VERIFY_CRC64: | |
1029 | dprint(FD_VERIFY, "fill crc64 io_u %p, len %u\n", | |
1030 | io_u, hdr->len); | |
1031 | fill_crc64(hdr, data, data_len); | |
1032 | break; | |
1033 | case VERIFY_CRC32C: | |
1034 | case VERIFY_CRC32C_INTEL: | |
1035 | dprint(FD_VERIFY, "fill crc32c io_u %p, len %u\n", | |
1036 | io_u, hdr->len); | |
1037 | fill_crc32c(hdr, data, data_len); | |
1038 | break; | |
1039 | case VERIFY_CRC32: | |
1040 | dprint(FD_VERIFY, "fill crc32 io_u %p, len %u\n", | |
1041 | io_u, hdr->len); | |
1042 | fill_crc32(hdr, data, data_len); | |
1043 | break; | |
1044 | case VERIFY_CRC16: | |
1045 | dprint(FD_VERIFY, "fill crc16 io_u %p, len %u\n", | |
1046 | io_u, hdr->len); | |
1047 | fill_crc16(hdr, data, data_len); | |
1048 | break; | |
1049 | case VERIFY_CRC7: | |
1050 | dprint(FD_VERIFY, "fill crc7 io_u %p, len %u\n", | |
1051 | io_u, hdr->len); | |
1052 | fill_crc7(hdr, data, data_len); | |
1053 | break; | |
1054 | case VERIFY_SHA256: | |
1055 | dprint(FD_VERIFY, "fill sha256 io_u %p, len %u\n", | |
1056 | io_u, hdr->len); | |
1057 | fill_sha256(hdr, data, data_len); | |
1058 | break; | |
1059 | case VERIFY_SHA512: | |
1060 | dprint(FD_VERIFY, "fill sha512 io_u %p, len %u\n", | |
1061 | io_u, hdr->len); | |
1062 | fill_sha512(hdr, data, data_len); | |
1063 | break; | |
844ea602 JA |
1064 | case VERIFY_XXHASH: |
1065 | dprint(FD_VERIFY, "fill xxhash io_u %p, len %u\n", | |
1066 | io_u, hdr->len); | |
1067 | fill_xxhash(hdr, data, data_len); | |
1068 | break; | |
7d9fb455 JA |
1069 | case VERIFY_META: |
1070 | dprint(FD_VERIFY, "fill meta io_u %p, len %u\n", | |
1071 | io_u, hdr->len); | |
1072 | fill_meta(hdr, td, io_u, header_num); | |
1073 | break; | |
1074 | case VERIFY_SHA1: | |
1075 | dprint(FD_VERIFY, "fill sha1 io_u %p, len %u\n", | |
1076 | io_u, hdr->len); | |
1077 | fill_sha1(hdr, data, data_len); | |
1078 | break; | |
92bf48d5 | 1079 | case VERIFY_PATTERN: |
ed3a433d | 1080 | case VERIFY_PATTERN_NO_HDR: |
92bf48d5 JA |
1081 | /* nothing to do here */ |
1082 | break; | |
7d9fb455 JA |
1083 | default: |
1084 | log_err("fio: bad verify type: %d\n", td->o.verify); | |
1085 | assert(0); | |
1086 | } | |
ed3a433d JA |
1087 | |
1088 | if (td->o.verify_offset && hdr_size(td, hdr)) | |
1089 | memswp(p, p + td->o.verify_offset, hdr_size(td, hdr)); | |
7d9fb455 JA |
1090 | } |
1091 | ||
e29d1b70 JA |
1092 | /* |
1093 | * fill body of io_u->buf with random data and add a header with the | |
c50ca7bd | 1094 | * checksum of choice |
e29d1b70 JA |
1095 | */ |
1096 | void populate_verify_io_u(struct thread_data *td, struct io_u *io_u) | |
1097 | { | |
9cc3d150 JA |
1098 | if (td->o.verify == VERIFY_NULL) |
1099 | return; | |
1100 | ||
da0a7bd2 JC |
1101 | io_u->numberio = td->io_issues[io_u->ddir]; |
1102 | ||
c50ca7bd | 1103 | fill_pattern_headers(td, io_u, 0, 0); |
e29d1b70 JA |
1104 | } |
1105 | ||
1106 | int get_next_verify(struct thread_data *td, struct io_u *io_u) | |
1107 | { | |
8de8f047 | 1108 | struct io_piece *ipo = NULL; |
e29d1b70 | 1109 | |
d2d7fa53 JA |
1110 | /* |
1111 | * this io_u is from a requeue, we already filled the offsets | |
1112 | */ | |
1113 | if (io_u->file) | |
1114 | return 0; | |
1115 | ||
8de8f047 JA |
1116 | if (!RB_EMPTY_ROOT(&td->io_hist_tree)) { |
1117 | struct rb_node *n = rb_first(&td->io_hist_tree); | |
e29d1b70 | 1118 | |
8de8f047 | 1119 | ipo = rb_entry(n, struct io_piece, rb_node); |
f9401285 JA |
1120 | |
1121 | /* | |
1122 | * Ensure that the associated IO has completed | |
1123 | */ | |
1124 | read_barrier(); | |
1125 | if (ipo->flags & IP_F_IN_FLIGHT) | |
1126 | goto nothing; | |
1127 | ||
4b87898e | 1128 | rb_erase(n, &td->io_hist_tree); |
a917a8b3 JA |
1129 | assert(ipo->flags & IP_F_ONRB); |
1130 | ipo->flags &= ~IP_F_ONRB; | |
01743ee1 | 1131 | } else if (!flist_empty(&td->io_hist_list)) { |
9342d5f8 | 1132 | ipo = flist_first_entry(&td->io_hist_list, struct io_piece, list); |
f9401285 JA |
1133 | |
1134 | /* | |
1135 | * Ensure that the associated IO has completed | |
1136 | */ | |
1137 | read_barrier(); | |
1138 | if (ipo->flags & IP_F_IN_FLIGHT) | |
1139 | goto nothing; | |
1140 | ||
01743ee1 | 1141 | flist_del(&ipo->list); |
a917a8b3 JA |
1142 | assert(ipo->flags & IP_F_ONLIST); |
1143 | ipo->flags &= ~IP_F_ONLIST; | |
8de8f047 | 1144 | } |
e29d1b70 | 1145 | |
8de8f047 | 1146 | if (ipo) { |
0d29de83 JA |
1147 | td->io_hist_len--; |
1148 | ||
e29d1b70 JA |
1149 | io_u->offset = ipo->offset; |
1150 | io_u->buflen = ipo->len; | |
da0a7bd2 | 1151 | io_u->numberio = ipo->numberio; |
36167d82 | 1152 | io_u->file = ipo->file; |
a9da8ab2 | 1153 | io_u_set(io_u, IO_U_F_VER_LIST); |
97af62ce | 1154 | |
0d29de83 | 1155 | if (ipo->flags & IP_F_TRIMMED) |
a9da8ab2 | 1156 | io_u_set(io_u, IO_U_F_TRIMMED); |
0d29de83 | 1157 | |
d6aed795 | 1158 | if (!fio_file_open(io_u->file)) { |
97af62ce JA |
1159 | int r = td_io_open_file(td, io_u->file); |
1160 | ||
bd6f78b2 JA |
1161 | if (r) { |
1162 | dprint(FD_VERIFY, "failed file %s open\n", | |
1163 | io_u->file->file_name); | |
97af62ce | 1164 | return 1; |
bd6f78b2 | 1165 | } |
97af62ce JA |
1166 | } |
1167 | ||
1168 | get_file(ipo->file); | |
d6aed795 | 1169 | assert(fio_file_open(io_u->file)); |
e29d1b70 | 1170 | io_u->ddir = DDIR_READ; |
36167d82 JA |
1171 | io_u->xfer_buf = io_u->buf; |
1172 | io_u->xfer_buflen = io_u->buflen; | |
0d29de83 JA |
1173 | |
1174 | remove_trim_entry(td, ipo); | |
e29d1b70 | 1175 | free(ipo); |
bd6f78b2 | 1176 | dprint(FD_VERIFY, "get_next_verify: ret io_u %p\n", io_u); |
c4b6117b PV |
1177 | |
1178 | if (!td->o.verify_pattern_bytes) { | |
d6b72507 | 1179 | io_u->rand_seed = __rand(&td->verify_state); |
c4b6117b | 1180 | if (sizeof(int) != sizeof(long *)) |
d6b72507 | 1181 | io_u->rand_seed *= __rand(&td->verify_state); |
c4b6117b | 1182 | } |
e29d1b70 JA |
1183 | return 0; |
1184 | } | |
1185 | ||
f9401285 | 1186 | nothing: |
bd6f78b2 | 1187 | dprint(FD_VERIFY, "get_next_verify: empty\n"); |
e29d1b70 JA |
1188 | return 1; |
1189 | } | |
e8462bd8 | 1190 | |
dc5bfbb2 JA |
1191 | void fio_verify_init(struct thread_data *td) |
1192 | { | |
1193 | if (td->o.verify == VERIFY_CRC32C_INTEL || | |
1194 | td->o.verify == VERIFY_CRC32C) { | |
1195 | crc32c_intel_probe(); | |
1196 | } | |
1197 | } | |
1198 | ||
e8462bd8 JA |
1199 | static void *verify_async_thread(void *data) |
1200 | { | |
1201 | struct thread_data *td = data; | |
1202 | struct io_u *io_u; | |
1203 | int ret = 0; | |
1204 | ||
b2a9e649 | 1205 | if (fio_option_is_set(&td->o, verify_cpumask) && |
e8462bd8 JA |
1206 | fio_setaffinity(td->pid, td->o.verify_cpumask)) { |
1207 | log_err("fio: failed setting verify thread affinity\n"); | |
1208 | goto done; | |
1209 | } | |
1210 | ||
1211 | do { | |
e53ab27c JA |
1212 | FLIST_HEAD(list); |
1213 | ||
e8462bd8 JA |
1214 | read_barrier(); |
1215 | if (td->verify_thread_exit) | |
1216 | break; | |
1217 | ||
1218 | pthread_mutex_lock(&td->io_u_lock); | |
1219 | ||
1220 | while (flist_empty(&td->verify_list) && | |
1221 | !td->verify_thread_exit) { | |
b36e298b JA |
1222 | ret = pthread_cond_wait(&td->verify_cond, |
1223 | &td->io_u_lock); | |
e8462bd8 JA |
1224 | if (ret) { |
1225 | pthread_mutex_unlock(&td->io_u_lock); | |
1226 | break; | |
1227 | } | |
1228 | } | |
1229 | ||
e53ab27c JA |
1230 | flist_splice_init(&td->verify_list, &list); |
1231 | pthread_mutex_unlock(&td->io_u_lock); | |
1232 | ||
1233 | if (flist_empty(&list)) | |
e8462bd8 | 1234 | continue; |
e8462bd8 | 1235 | |
e53ab27c | 1236 | while (!flist_empty(&list)) { |
9342d5f8 | 1237 | io_u = flist_first_entry(&list, struct io_u, verify_list); |
f8b0bd10 JA |
1238 | flist_del_init(&io_u->verify_list); |
1239 | ||
a9da8ab2 | 1240 | io_u_set(io_u, IO_U_F_NO_FILE_PUT); |
f8b0bd10 | 1241 | ret = verify_io_u(td, &io_u); |
e8462bd8 | 1242 | |
e53ab27c | 1243 | put_io_u(td, io_u); |
d561f2ab JA |
1244 | if (!ret) |
1245 | continue; | |
8b28bd41 | 1246 | if (td_non_fatal_error(td, ERROR_TYPE_VERIFY_BIT, ret)) { |
d561f2ab JA |
1247 | update_error_count(td, ret); |
1248 | td_clear_error(td); | |
1249 | ret = 0; | |
1250 | } | |
e53ab27c | 1251 | } |
e8462bd8 JA |
1252 | } while (!ret); |
1253 | ||
d561f2ab JA |
1254 | if (ret) { |
1255 | td_verror(td, ret, "async_verify"); | |
f3e6cb95 | 1256 | if (td->o.verify_fatal) |
ebea2133 | 1257 | fio_mark_td_terminate(td); |
d561f2ab JA |
1258 | } |
1259 | ||
e8462bd8 JA |
1260 | done: |
1261 | pthread_mutex_lock(&td->io_u_lock); | |
1262 | td->nr_verify_threads--; | |
1263 | pthread_mutex_unlock(&td->io_u_lock); | |
1264 | ||
1265 | pthread_cond_signal(&td->free_cond); | |
1266 | return NULL; | |
1267 | } | |
1268 | ||
1269 | int verify_async_init(struct thread_data *td) | |
1270 | { | |
1271 | int i, ret; | |
304a47c7 VA |
1272 | pthread_attr_t attr; |
1273 | ||
1274 | pthread_attr_init(&attr); | |
1275 | pthread_attr_setstacksize(&attr, PTHREAD_STACK_MIN); | |
e8462bd8 JA |
1276 | |
1277 | td->verify_thread_exit = 0; | |
1278 | ||
1279 | td->verify_threads = malloc(sizeof(pthread_t) * td->o.verify_async); | |
1280 | for (i = 0; i < td->o.verify_async; i++) { | |
304a47c7 | 1281 | ret = pthread_create(&td->verify_threads[i], &attr, |
e8462bd8 JA |
1282 | verify_async_thread, td); |
1283 | if (ret) { | |
1284 | log_err("fio: async verify creation failed: %s\n", | |
1285 | strerror(ret)); | |
1286 | break; | |
1287 | } | |
1288 | ret = pthread_detach(td->verify_threads[i]); | |
1289 | if (ret) { | |
1290 | log_err("fio: async verify thread detach failed: %s\n", | |
1291 | strerror(ret)); | |
1292 | break; | |
1293 | } | |
1294 | td->nr_verify_threads++; | |
1295 | } | |
1296 | ||
304a47c7 VA |
1297 | pthread_attr_destroy(&attr); |
1298 | ||
e8462bd8 | 1299 | if (i != td->o.verify_async) { |
e40823b1 | 1300 | log_err("fio: only %d verify threads started, exiting\n", i); |
e8462bd8 JA |
1301 | td->verify_thread_exit = 1; |
1302 | write_barrier(); | |
1303 | pthread_cond_broadcast(&td->verify_cond); | |
1304 | return 1; | |
1305 | } | |
1306 | ||
1307 | return 0; | |
1308 | } | |
1309 | ||
1310 | void verify_async_exit(struct thread_data *td) | |
1311 | { | |
1312 | td->verify_thread_exit = 1; | |
1313 | write_barrier(); | |
1314 | pthread_cond_broadcast(&td->verify_cond); | |
1315 | ||
1316 | pthread_mutex_lock(&td->io_u_lock); | |
1317 | ||
1318 | while (td->nr_verify_threads) | |
1319 | pthread_cond_wait(&td->free_cond, &td->io_u_lock); | |
1320 | ||
1321 | pthread_mutex_unlock(&td->io_u_lock); | |
1322 | free(td->verify_threads); | |
1323 | td->verify_threads = NULL; | |
1324 | } | |
ca09be4b JA |
1325 | |
1326 | struct all_io_list *get_all_io_list(int save_mask, size_t *sz) | |
1327 | { | |
1328 | struct all_io_list *rep; | |
1329 | struct thread_data *td; | |
1330 | size_t depth; | |
1331 | void *next; | |
1332 | int i, nr; | |
1333 | ||
1334 | compiletime_assert(sizeof(struct all_io_list) == 8, "all_io_list"); | |
1335 | ||
1336 | /* | |
1337 | * Calculate reply space needed. We need one 'io_state' per thread, | |
1338 | * and the size will vary depending on depth. | |
1339 | */ | |
1340 | depth = 0; | |
1341 | nr = 0; | |
1342 | for_each_td(td, i) { | |
1343 | if (save_mask != IO_LIST_ALL && (i + 1) != save_mask) | |
1344 | continue; | |
1345 | td->stop_io = 1; | |
1346 | td->flags |= TD_F_VSTATE_SAVED; | |
1347 | depth += td->o.iodepth; | |
1348 | nr++; | |
1349 | } | |
1350 | ||
1351 | if (!nr) | |
1352 | return NULL; | |
1353 | ||
1354 | *sz = sizeof(*rep); | |
1355 | *sz += nr * sizeof(struct thread_io_list); | |
1356 | *sz += depth * sizeof(uint64_t); | |
1357 | rep = malloc(*sz); | |
1358 | ||
1359 | rep->threads = cpu_to_le64((uint64_t) nr); | |
1360 | ||
1361 | next = &rep->state[0]; | |
1362 | for_each_td(td, i) { | |
1363 | struct thread_io_list *s = next; | |
1364 | unsigned int comps; | |
1365 | ||
1366 | if (save_mask != IO_LIST_ALL && (i + 1) != save_mask) | |
1367 | continue; | |
1368 | ||
1369 | if (td->last_write_comp) { | |
1370 | int j, k; | |
1371 | ||
1372 | if (td->io_blocks[DDIR_WRITE] < td->o.iodepth) | |
1373 | comps = td->io_blocks[DDIR_WRITE]; | |
1374 | else | |
1375 | comps = td->o.iodepth; | |
1376 | ||
1377 | k = td->last_write_idx - 1; | |
1378 | for (j = 0; j < comps; j++) { | |
1379 | if (k == -1) | |
1380 | k = td->o.iodepth - 1; | |
1381 | s->offsets[j] = cpu_to_le64(td->last_write_comp[k]); | |
1382 | k--; | |
1383 | } | |
1384 | } else | |
1385 | comps = 0; | |
1386 | ||
1387 | s->no_comps = cpu_to_le64((uint64_t) comps); | |
1388 | s->depth = cpu_to_le64((uint64_t) td->o.iodepth); | |
1389 | s->numberio = cpu_to_le64((uint64_t) td->io_issues[DDIR_WRITE]); | |
1390 | s->index = cpu_to_le64((uint64_t) i); | |
c3546b53 JA |
1391 | if (td->random_state.use64) { |
1392 | s->rand.state64.s[0] = cpu_to_le64(td->random_state.state64.s1); | |
1393 | s->rand.state64.s[1] = cpu_to_le64(td->random_state.state64.s2); | |
1394 | s->rand.state64.s[2] = cpu_to_le64(td->random_state.state64.s3); | |
1395 | s->rand.state64.s[3] = cpu_to_le64(td->random_state.state64.s4); | |
1396 | s->rand.state64.s[4] = cpu_to_le64(td->random_state.state64.s5); | |
1397 | s->rand.state64.s[5] = 0; | |
1398 | s->rand.use64 = cpu_to_le64((uint64_t)1); | |
1399 | } else { | |
1400 | s->rand.state32.s[0] = cpu_to_le32(td->random_state.state32.s1); | |
1401 | s->rand.state32.s[1] = cpu_to_le32(td->random_state.state32.s2); | |
1402 | s->rand.state32.s[2] = cpu_to_le32(td->random_state.state32.s3); | |
1403 | s->rand.state32.s[3] = 0; | |
1404 | s->rand.use64 = 0; | |
1405 | } | |
1dc06a8f JA |
1406 | s->name[sizeof(s->name) - 1] = '\0'; |
1407 | strncpy((char *) s->name, td->o.name, sizeof(s->name) - 1); | |
ca09be4b JA |
1408 | next = io_list_next(s); |
1409 | } | |
1410 | ||
1411 | return rep; | |
1412 | } | |
1413 | ||
1414 | static int open_state_file(const char *name, const char *prefix, int num, | |
1415 | int for_write) | |
1416 | { | |
1417 | char out[64]; | |
1418 | int flags; | |
1419 | int fd; | |
1420 | ||
1421 | if (for_write) | |
1422 | flags = O_CREAT | O_TRUNC | O_WRONLY | O_SYNC; | |
1423 | else | |
1424 | flags = O_RDONLY; | |
1425 | ||
e499aedc | 1426 | verify_state_gen_name(out, sizeof(out), name, prefix, num); |
ca09be4b JA |
1427 | |
1428 | fd = open(out, flags, 0644); | |
1429 | if (fd == -1) { | |
1430 | perror("fio: open state file"); | |
1431 | return -1; | |
1432 | } | |
1433 | ||
1434 | return fd; | |
1435 | } | |
1436 | ||
1437 | static int write_thread_list_state(struct thread_io_list *s, | |
1438 | const char *prefix) | |
1439 | { | |
1440 | struct verify_state_hdr hdr; | |
1441 | uint64_t crc; | |
1442 | ssize_t ret; | |
1443 | int fd; | |
1444 | ||
1445 | fd = open_state_file((const char *) s->name, prefix, s->index, 1); | |
1446 | if (fd == -1) | |
1447 | return 1; | |
1448 | ||
1449 | crc = fio_crc32c((void *)s, thread_io_list_sz(s)); | |
1450 | ||
1451 | hdr.version = cpu_to_le64((uint64_t) VSTATE_HDR_VERSION); | |
1452 | hdr.size = cpu_to_le64((uint64_t) thread_io_list_sz(s)); | |
1453 | hdr.crc = cpu_to_le64(crc); | |
1454 | ret = write(fd, &hdr, sizeof(hdr)); | |
1455 | if (ret != sizeof(hdr)) | |
1456 | goto write_fail; | |
1457 | ||
1458 | ret = write(fd, s, thread_io_list_sz(s)); | |
1459 | if (ret != thread_io_list_sz(s)) { | |
1460 | write_fail: | |
1461 | if (ret < 0) | |
1462 | perror("fio: write state file"); | |
1463 | log_err("fio: failed to write state file\n"); | |
1464 | ret = 1; | |
1465 | } else | |
1466 | ret = 0; | |
1467 | ||
1468 | close(fd); | |
1469 | return ret; | |
1470 | } | |
1471 | ||
1472 | void __verify_save_state(struct all_io_list *state, const char *prefix) | |
1473 | { | |
1474 | struct thread_io_list *s = &state->state[0]; | |
1475 | unsigned int i; | |
1476 | ||
1477 | for (i = 0; i < le64_to_cpu(state->threads); i++) { | |
1478 | write_thread_list_state(s, prefix); | |
1479 | s = io_list_next(s); | |
1480 | } | |
1481 | } | |
1482 | ||
d264264a | 1483 | void verify_save_state(int mask) |
ca09be4b JA |
1484 | { |
1485 | struct all_io_list *state; | |
1486 | size_t sz; | |
1487 | ||
d264264a | 1488 | state = get_all_io_list(mask, &sz); |
ca09be4b | 1489 | if (state) { |
d264264a JA |
1490 | char prefix[PATH_MAX]; |
1491 | ||
1492 | if (aux_path) | |
1493 | sprintf(aux_path, "%s%slocal", aux_path, FIO_OS_PATH_SEPARATOR); | |
1494 | else | |
1495 | strcpy(aux_path, "local"); | |
1496 | ||
1497 | __verify_save_state(state, prefix); | |
ca09be4b JA |
1498 | free(state); |
1499 | } | |
1500 | } | |
1501 | ||
1502 | void verify_free_state(struct thread_data *td) | |
1503 | { | |
1504 | if (td->vstate) | |
1505 | free(td->vstate); | |
1506 | } | |
1507 | ||
c3546b53 | 1508 | static struct thread_io_list *convert_v1_list(struct thread_io_list_v1 *s) |
ca09be4b | 1509 | { |
c3546b53 | 1510 | struct thread_io_list *til; |
ca09be4b JA |
1511 | int i; |
1512 | ||
c3546b53 JA |
1513 | til = malloc(__thread_io_list_sz(s->no_comps)); |
1514 | til->no_comps = s->no_comps; | |
1515 | til->depth = s->depth; | |
1516 | til->numberio = s->numberio; | |
1517 | til->index = s->index; | |
1518 | memcpy(til->name, s->name, sizeof(til->name)); | |
1519 | ||
1520 | til->rand.use64 = 0; | |
ca09be4b | 1521 | for (i = 0; i < 4; i++) |
c3546b53 JA |
1522 | til->rand.state32.s[i] = s->rand.s[i]; |
1523 | ||
ca09be4b | 1524 | for (i = 0; i < s->no_comps; i++) |
c3546b53 JA |
1525 | til->offsets[i] = s->offsets[i]; |
1526 | ||
1527 | return til; | |
1528 | } | |
1529 | ||
1530 | void verify_convert_assign_state(struct thread_data *td, void *p, int version) | |
1531 | { | |
1532 | struct thread_io_list *til; | |
1533 | int i; | |
1534 | ||
1535 | if (version == 1) { | |
1536 | struct thread_io_list_v1 *s = p; | |
1537 | ||
1538 | s->no_comps = le64_to_cpu(s->no_comps); | |
1539 | s->depth = le64_to_cpu(s->depth); | |
1540 | s->numberio = le64_to_cpu(s->numberio); | |
1541 | for (i = 0; i < 4; i++) | |
1542 | s->rand.s[i] = le32_to_cpu(s->rand.s[i]); | |
1543 | for (i = 0; i < s->no_comps; i++) | |
1544 | s->offsets[i] = le64_to_cpu(s->offsets[i]); | |
1545 | ||
1546 | til = convert_v1_list(s); | |
1547 | free(s); | |
1548 | } else { | |
1549 | struct thread_io_list *s = p; | |
1550 | ||
1551 | s->no_comps = le64_to_cpu(s->no_comps); | |
1552 | s->depth = le64_to_cpu(s->depth); | |
1553 | s->numberio = le64_to_cpu(s->numberio); | |
1554 | s->rand.use64 = le64_to_cpu(s->rand.use64); | |
1555 | ||
1556 | if (s->rand.use64) { | |
1557 | for (i = 0; i < 6; i++) | |
1558 | s->rand.state64.s[i] = le64_to_cpu(s->rand.state64.s[i]); | |
1559 | } else { | |
1560 | for (i = 0; i < 4; i++) | |
1561 | s->rand.state32.s[i] = le32_to_cpu(s->rand.state32.s[i]); | |
1562 | } | |
1563 | for (i = 0; i < s->no_comps; i++) | |
1564 | s->offsets[i] = le64_to_cpu(s->offsets[i]); | |
1565 | ||
1566 | til = p; | |
1567 | } | |
ca09be4b | 1568 | |
c3546b53 | 1569 | td->vstate = til; |
ca09be4b JA |
1570 | } |
1571 | ||
c3546b53 JA |
1572 | int verify_state_hdr(struct verify_state_hdr *hdr, struct thread_io_list *s, |
1573 | int *version) | |
ca09be4b JA |
1574 | { |
1575 | uint64_t crc; | |
1576 | ||
1577 | hdr->version = le64_to_cpu(hdr->version); | |
1578 | hdr->size = le64_to_cpu(hdr->size); | |
1579 | hdr->crc = le64_to_cpu(hdr->crc); | |
1580 | ||
c3546b53 JA |
1581 | if (hdr->version != VSTATE_HDR_VERSION || |
1582 | hdr->version != VSTATE_HDR_VERSION_V1) | |
ca09be4b JA |
1583 | return 1; |
1584 | ||
1585 | crc = fio_crc32c((void *)s, hdr->size); | |
1586 | if (crc != hdr->crc) | |
1587 | return 1; | |
1588 | ||
c3546b53 | 1589 | *version = hdr->version; |
ca09be4b JA |
1590 | return 0; |
1591 | } | |
1592 | ||
1593 | int verify_load_state(struct thread_data *td, const char *prefix) | |
1594 | { | |
ca09be4b | 1595 | struct verify_state_hdr hdr; |
c3546b53 | 1596 | void *s = NULL; |
ca09be4b JA |
1597 | uint64_t crc; |
1598 | ssize_t ret; | |
1599 | int fd; | |
1600 | ||
1601 | if (!td->o.verify_state) | |
1602 | return 0; | |
1603 | ||
1604 | fd = open_state_file(td->o.name, prefix, td->thread_number - 1, 0); | |
1605 | if (fd == -1) | |
1606 | return 1; | |
1607 | ||
1608 | ret = read(fd, &hdr, sizeof(hdr)); | |
1609 | if (ret != sizeof(hdr)) { | |
1610 | if (ret < 0) | |
1611 | td_verror(td, errno, "read verify state hdr"); | |
1612 | log_err("fio: failed reading verify state header\n"); | |
1613 | goto err; | |
1614 | } | |
1615 | ||
1616 | hdr.version = le64_to_cpu(hdr.version); | |
1617 | hdr.size = le64_to_cpu(hdr.size); | |
1618 | hdr.crc = le64_to_cpu(hdr.crc); | |
1619 | ||
c3546b53 JA |
1620 | if (hdr.version != VSTATE_HDR_VERSION && |
1621 | hdr.version != VSTATE_HDR_VERSION_V1) { | |
ca09be4b JA |
1622 | log_err("fio: bad version in verify state header\n"); |
1623 | goto err; | |
1624 | } | |
1625 | ||
1626 | s = malloc(hdr.size); | |
1627 | ret = read(fd, s, hdr.size); | |
1628 | if (ret != hdr.size) { | |
1629 | if (ret < 0) | |
1630 | td_verror(td, errno, "read verify state"); | |
1631 | log_err("fio: failed reading verity state\n"); | |
1632 | goto err; | |
1633 | } | |
1634 | ||
c3546b53 | 1635 | crc = fio_crc32c(s, hdr.size); |
ca09be4b JA |
1636 | if (crc != hdr.crc) { |
1637 | log_err("fio: verify state is corrupt\n"); | |
1638 | goto err; | |
1639 | } | |
1640 | ||
1641 | close(fd); | |
1642 | ||
c3546b53 | 1643 | verify_convert_assign_state(td, s, hdr.version); |
ca09be4b JA |
1644 | return 0; |
1645 | err: | |
1646 | if (s) | |
1647 | free(s); | |
1648 | close(fd); | |
1649 | return 1; | |
1650 | } | |
1651 | ||
1652 | /* | |
1653 | * Use the loaded verify state to know when to stop doing verification | |
1654 | */ | |
1655 | int verify_state_should_stop(struct thread_data *td, struct io_u *io_u) | |
1656 | { | |
1657 | struct thread_io_list *s = td->vstate; | |
1658 | int i; | |
1659 | ||
1660 | if (!s) | |
1661 | return 0; | |
1662 | ||
1663 | /* | |
def00095 JA |
1664 | * If we're not into the window of issues - depth yet, continue. If |
1665 | * issue is shorter than depth, do check. | |
ca09be4b | 1666 | */ |
def00095 JA |
1667 | if ((td->io_blocks[DDIR_READ] < s->depth || |
1668 | s->numberio - td->io_blocks[DDIR_READ] > s->depth) && | |
1669 | s->numberio > s->depth) | |
ca09be4b JA |
1670 | return 0; |
1671 | ||
1672 | /* | |
1673 | * We're in the window of having to check if this io was | |
1674 | * completed or not. If the IO was seen as completed, then | |
1675 | * lets verify it. | |
1676 | */ | |
1677 | for (i = 0; i < s->no_comps; i++) | |
1678 | if (io_u->offset == s->offsets[i]) | |
1679 | return 0; | |
1680 | ||
1681 | /* | |
1682 | * Not found, we have to stop | |
1683 | */ | |
1684 | return 1; | |
1685 | } |