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