Commit | Line | Data |
---|---|---|
e29d1b70 JA |
1 | /* |
2 | * IO verification helpers | |
3 | */ | |
4 | #include <unistd.h> | |
5 | #include <fcntl.h> | |
6 | #include <string.h> | |
97af62ce | 7 | #include <assert.h> |
e8462bd8 | 8 | #include <pthread.h> |
79402a12 | 9 | #include <libgen.h> |
e29d1b70 JA |
10 | |
11 | #include "fio.h" | |
4f5af7b2 | 12 | #include "verify.h" |
0d29de83 | 13 | #include "trim.h" |
637ef8d9 | 14 | #include "lib/rand.h" |
51aa2da8 | 15 | #include "lib/hweight.h" |
2cac8fcb | 16 | #include "lib/pattern.h" |
e29d1b70 | 17 | |
eef6eea1 JA |
18 | #include "crc/md5.h" |
19 | #include "crc/crc64.h" | |
20 | #include "crc/crc32.h" | |
bac39e0e | 21 | #include "crc/crc32c.h" |
eef6eea1 JA |
22 | #include "crc/crc16.h" |
23 | #include "crc/crc7.h" | |
24 | #include "crc/sha256.h" | |
25 | #include "crc/sha512.h" | |
7c353ceb | 26 | #include "crc/sha1.h" |
844ea602 | 27 | #include "crc/xxhash.h" |
cd14cc10 | 28 | |
7d9fb455 JA |
29 | static void populate_hdr(struct thread_data *td, struct io_u *io_u, |
30 | struct verify_header *hdr, unsigned int header_num, | |
31 | unsigned int header_len); | |
b638d82f RP |
32 | static void fill_hdr(struct thread_data *td, struct io_u *io_u, |
33 | struct verify_header *hdr, unsigned int header_num, | |
34 | unsigned int header_len, uint64_t rand_seed); | |
35 | static void __fill_hdr(struct thread_data *td, struct io_u *io_u, | |
36 | struct verify_header *hdr, unsigned int header_num, | |
37 | unsigned int header_len, uint64_t rand_seed); | |
7d9fb455 | 38 | |
ce35b1ec JA |
39 | void fill_buffer_pattern(struct thread_data *td, void *p, unsigned int len) |
40 | { | |
2cac8fcb | 41 | (void)cpy_pattern(td->o.buffer_pattern, td->o.buffer_pattern_bytes, p, len); |
ce35b1ec JA |
42 | } |
43 | ||
7fa085ea JA |
44 | void __fill_buffer(struct thread_options *o, unsigned long seed, void *p, |
45 | unsigned int len) | |
46 | { | |
47 | __fill_random_buf_percentage(seed, p, o->compress_percentage, len, len, o->buffer_pattern, o->buffer_pattern_bytes); | |
48 | } | |
49 | ||
50 | unsigned long fill_buffer(struct thread_data *td, void *p, unsigned int len) | |
51 | { | |
52 | struct frand_state *fs = &td->verify_state; | |
53 | struct thread_options *o = &td->o; | |
54 | ||
55 | return fill_random_buf_percentage(fs, p, o->compress_percentage, len, len, o->buffer_pattern, o->buffer_pattern_bytes); | |
56 | } | |
57 | ||
ce35b1ec JA |
58 | void fill_verify_pattern(struct thread_data *td, void *p, unsigned int len, |
59 | struct io_u *io_u, unsigned long seed, int use_seed) | |
60 | { | |
bc769898 JA |
61 | struct thread_options *o = &td->o; |
62 | ||
63 | if (!o->verify_pattern_bytes) { | |
ce35b1ec JA |
64 | dprint(FD_VERIFY, "fill random bytes len=%u\n", len); |
65 | ||
66 | if (use_seed) | |
7fa085ea JA |
67 | __fill_buffer(o, seed, p, len); |
68 | else | |
69 | io_u->rand_seed = fill_buffer(td, p, len); | |
ce35b1ec JA |
70 | return; |
71 | } | |
c4b6117b | 72 | |
61b9861d RP |
73 | /* Skip if we were here and we do not need to patch pattern |
74 | * with format */ | |
75 | if (!td->o.verify_fmt_sz && io_u->buf_filled_len >= len) { | |
ce35b1ec | 76 | dprint(FD_VERIFY, "using already filled verify pattern b=%d len=%u\n", |
bc769898 | 77 | o->verify_pattern_bytes, len); |
ce35b1ec JA |
78 | return; |
79 | } | |
80 | ||
61b9861d RP |
81 | (void)paste_format(td->o.verify_pattern, td->o.verify_pattern_bytes, |
82 | td->o.verify_fmt, td->o.verify_fmt_sz, | |
83 | p, len, io_u); | |
ce35b1ec JA |
84 | io_u->buf_filled_len = len; |
85 | } | |
86 | ||
cfbcd0dc JA |
87 | static unsigned int get_hdr_inc(struct thread_data *td, struct io_u *io_u) |
88 | { | |
89 | unsigned int hdr_inc; | |
90 | ||
91 | hdr_inc = io_u->buflen; | |
8a99fdf6 | 92 | if (td->o.verify_interval && td->o.verify_interval <= io_u->buflen) |
cfbcd0dc JA |
93 | hdr_inc = td->o.verify_interval; |
94 | ||
95 | return hdr_inc; | |
96 | } | |
97 | ||
c50ca7bd JA |
98 | static void fill_pattern_headers(struct thread_data *td, struct io_u *io_u, |
99 | unsigned long seed, int use_seed) | |
100 | { | |
101 | unsigned int hdr_inc, header_num; | |
102 | struct verify_header *hdr; | |
103 | void *p = io_u->buf; | |
104 | ||
ce35b1ec | 105 | fill_verify_pattern(td, p, io_u->buflen, io_u, seed, use_seed); |
c50ca7bd | 106 | |
cfbcd0dc | 107 | hdr_inc = get_hdr_inc(td, io_u); |
c50ca7bd JA |
108 | header_num = 0; |
109 | for (; p < io_u->buf + io_u->buflen; p += hdr_inc) { | |
110 | hdr = p; | |
111 | populate_hdr(td, io_u, hdr, header_num, hdr_inc); | |
112 | header_num++; | |
113 | } | |
114 | } | |
115 | ||
4764aec9 | 116 | static void memswp(void *buf1, void *buf2, unsigned int len) |
546a9142 | 117 | { |
dee6de74 SL |
118 | char swap[200]; |
119 | ||
120 | assert(len <= sizeof(swap)); | |
90059d65 | 121 | |
546a9142 SL |
122 | memcpy(&swap, buf1, len); |
123 | memcpy(buf1, buf2, len); | |
124 | memcpy(buf2, &swap, len); | |
125 | } | |
126 | ||
e29d1b70 JA |
127 | static void hexdump(void *buffer, int len) |
128 | { | |
129 | unsigned char *p = buffer; | |
130 | int i; | |
131 | ||
132 | for (i = 0; i < len; i++) | |
bfacf389 JA |
133 | log_err("%02x", p[i]); |
134 | log_err("\n"); | |
e29d1b70 JA |
135 | } |
136 | ||
87677832 | 137 | /* |
de8f6de9 | 138 | * Prepare for separation of verify_header and checksum header |
87677832 | 139 | */ |
546dfd9f | 140 | static inline unsigned int __hdr_size(int verify_type) |
87677832 | 141 | { |
03e20d68 | 142 | unsigned int len = 0; |
87677832 | 143 | |
546dfd9f JA |
144 | switch (verify_type) { |
145 | case VERIFY_NONE: | |
b638d82f | 146 | case VERIFY_HDR_ONLY: |
546dfd9f | 147 | case VERIFY_NULL: |
ed3a433d | 148 | case VERIFY_PATTERN: |
546dfd9f JA |
149 | len = 0; |
150 | break; | |
151 | case VERIFY_MD5: | |
152 | len = sizeof(struct vhdr_md5); | |
153 | break; | |
154 | case VERIFY_CRC64: | |
155 | len = sizeof(struct vhdr_crc64); | |
156 | break; | |
bac39e0e | 157 | case VERIFY_CRC32C: |
546dfd9f | 158 | case VERIFY_CRC32: |
3845591f | 159 | case VERIFY_CRC32C_INTEL: |
546dfd9f JA |
160 | len = sizeof(struct vhdr_crc32); |
161 | break; | |
162 | case VERIFY_CRC16: | |
163 | len = sizeof(struct vhdr_crc16); | |
164 | break; | |
165 | case VERIFY_CRC7: | |
166 | len = sizeof(struct vhdr_crc7); | |
167 | break; | |
168 | case VERIFY_SHA256: | |
169 | len = sizeof(struct vhdr_sha256); | |
170 | break; | |
171 | case VERIFY_SHA512: | |
172 | len = sizeof(struct vhdr_sha512); | |
173 | break; | |
844ea602 JA |
174 | case VERIFY_XXHASH: |
175 | len = sizeof(struct vhdr_xxhash); | |
176 | break; | |
7c353ceb JA |
177 | case VERIFY_SHA1: |
178 | len = sizeof(struct vhdr_sha1); | |
179 | break; | |
59245381 | 180 | case VERIFY_PATTERN_NO_HDR: |
ed3a433d | 181 | return 0; |
546dfd9f JA |
182 | default: |
183 | log_err("fio: unknown verify header!\n"); | |
184 | assert(0); | |
185 | } | |
186 | ||
187 | return len + sizeof(struct verify_header); | |
87677832 JA |
188 | } |
189 | ||
ed3a433d JA |
190 | static inline unsigned int hdr_size(struct thread_data *td, |
191 | struct verify_header *hdr) | |
87677832 | 192 | { |
ed3a433d JA |
193 | if (td->o.verify == VERIFY_PATTERN_NO_HDR) |
194 | return 0; | |
195 | ||
546dfd9f JA |
196 | return __hdr_size(hdr->verify_type); |
197 | } | |
198 | ||
199 | static void *hdr_priv(struct verify_header *hdr) | |
200 | { | |
201 | void *priv = hdr; | |
202 | ||
203 | return priv + sizeof(struct verify_header); | |
87677832 JA |
204 | } |
205 | ||
936216f8 JA |
206 | /* |
207 | * Verify container, pass info to verify handlers and allow them to | |
208 | * pass info back in case of error | |
209 | */ | |
210 | struct vcont { | |
211 | /* | |
212 | * Input | |
213 | */ | |
214 | struct io_u *io_u; | |
215 | unsigned int hdr_num; | |
7d9fb455 | 216 | struct thread_data *td; |
936216f8 JA |
217 | |
218 | /* | |
219 | * Output, only valid in case of error | |
220 | */ | |
bfacf389 JA |
221 | const char *name; |
222 | void *good_crc; | |
223 | void *bad_crc; | |
936216f8 JA |
224 | unsigned int crc_len; |
225 | }; | |
226 | ||
dacbbb88 JA |
227 | #define DUMP_BUF_SZ 255 |
228 | static int dump_buf_warned; | |
229 | ||
c50ca7bd JA |
230 | static void dump_buf(char *buf, unsigned int len, unsigned long long offset, |
231 | const char *type, struct fio_file *f) | |
7d9fb455 | 232 | { |
dacbbb88 JA |
233 | char *ptr, fname[DUMP_BUF_SZ]; |
234 | size_t buf_left = DUMP_BUF_SZ; | |
7d9fb455 JA |
235 | int ret, fd; |
236 | ||
6f260b31 | 237 | ptr = strdup(f->file_name); |
c50ca7bd | 238 | |
d264264a JA |
239 | memset(fname, 0, sizeof(fname)); |
240 | if (aux_path) | |
241 | sprintf(fname, "%s%s", aux_path, FIO_OS_PATH_SEPARATOR); | |
242 | ||
243 | strncpy(fname + strlen(fname), basename(ptr), buf_left - 1); | |
dacbbb88 JA |
244 | |
245 | buf_left -= strlen(fname); | |
246 | if (buf_left <= 0) { | |
247 | if (!dump_buf_warned) { | |
248 | log_err("fio: verify failure dump buffer too small\n"); | |
249 | dump_buf_warned = 1; | |
250 | } | |
251 | free(ptr); | |
252 | return; | |
253 | } | |
254 | ||
255 | snprintf(fname + strlen(fname), buf_left, ".%llu.%s", offset, type); | |
7d9fb455 JA |
256 | |
257 | fd = open(fname, O_CREAT | O_TRUNC | O_WRONLY, 0644); | |
258 | if (fd < 0) { | |
259 | perror("open verify buf file"); | |
260 | return; | |
261 | } | |
262 | ||
263 | while (len) { | |
264 | ret = write(fd, buf, len); | |
265 | if (!ret) | |
266 | break; | |
267 | else if (ret < 0) { | |
268 | perror("write verify buf file"); | |
269 | break; | |
270 | } | |
271 | len -= ret; | |
272 | buf += ret; | |
273 | } | |
274 | ||
275 | close(fd); | |
c50ca7bd | 276 | log_err(" %s data dumped as %s\n", type, fname); |
6f260b31 | 277 | free(ptr); |
7d9fb455 JA |
278 | } |
279 | ||
c50ca7bd JA |
280 | /* |
281 | * Dump the contents of the read block and re-generate the correct data | |
282 | * and dump that too. | |
283 | */ | |
9ba987cc | 284 | static void __dump_verify_buffers(struct verify_header *hdr, struct vcont *vc) |
7d9fb455 JA |
285 | { |
286 | struct thread_data *td = vc->td; | |
287 | struct io_u *io_u = vc->io_u; | |
288 | unsigned long hdr_offset; | |
7d9fb455 | 289 | struct io_u dummy; |
c50ca7bd | 290 | void *buf; |
7d9fb455 | 291 | |
0dce9bc9 SL |
292 | if (!td->o.verify_dump) |
293 | return; | |
294 | ||
c50ca7bd JA |
295 | /* |
296 | * Dump the contents we just read off disk | |
297 | */ | |
7d9fb455 JA |
298 | hdr_offset = vc->hdr_num * hdr->len; |
299 | ||
c50ca7bd JA |
300 | dump_buf(io_u->buf + hdr_offset, hdr->len, io_u->offset + hdr_offset, |
301 | "received", vc->io_u->file); | |
7d9fb455 | 302 | |
c50ca7bd JA |
303 | /* |
304 | * Allocate a new buf and re-generate the original data | |
305 | */ | |
306 | buf = malloc(io_u->buflen); | |
7d9fb455 | 307 | dummy = *io_u; |
c50ca7bd | 308 | dummy.buf = buf; |
4aae38a6 | 309 | dummy.rand_seed = hdr->rand_seed; |
cfbcd0dc | 310 | dummy.buf_filled_len = 0; |
0d81daf9 | 311 | dummy.buflen = io_u->buflen; |
7d9fb455 | 312 | |
c50ca7bd | 313 | fill_pattern_headers(td, &dummy, hdr->rand_seed, 1); |
7d9fb455 | 314 | |
c50ca7bd JA |
315 | dump_buf(buf + hdr_offset, hdr->len, io_u->offset + hdr_offset, |
316 | "expected", vc->io_u->file); | |
7d9fb455 JA |
317 | free(buf); |
318 | } | |
319 | ||
9ba987cc JA |
320 | static void dump_verify_buffers(struct verify_header *hdr, struct vcont *vc) |
321 | { | |
322 | struct thread_data *td = vc->td; | |
323 | struct verify_header shdr; | |
324 | ||
325 | if (td->o.verify == VERIFY_PATTERN_NO_HDR) { | |
b638d82f | 326 | __fill_hdr(td, vc->io_u, &shdr, 0, vc->io_u->buflen, 0); |
9ba987cc JA |
327 | hdr = &shdr; |
328 | } | |
329 | ||
330 | __dump_verify_buffers(hdr, vc); | |
331 | } | |
332 | ||
bfacf389 JA |
333 | static void log_verify_failure(struct verify_header *hdr, struct vcont *vc) |
334 | { | |
335 | unsigned long long offset; | |
336 | ||
337 | offset = vc->io_u->offset; | |
338 | offset += vc->hdr_num * hdr->len; | |
32c17adf JA |
339 | log_err("%.8s: verify failed at file %s offset %llu, length %u\n", |
340 | vc->name, vc->io_u->file->file_name, offset, hdr->len); | |
bfacf389 JA |
341 | |
342 | if (vc->good_crc && vc->bad_crc) { | |
343 | log_err(" Expected CRC: "); | |
344 | hexdump(vc->good_crc, vc->crc_len); | |
345 | log_err(" Received CRC: "); | |
346 | hexdump(vc->bad_crc, vc->crc_len); | |
347 | } | |
7d9fb455 JA |
348 | |
349 | dump_verify_buffers(hdr, vc); | |
bfacf389 JA |
350 | } |
351 | ||
d9f2caf3 JA |
352 | /* |
353 | * Return data area 'header_num' | |
354 | */ | |
936216f8 | 355 | static inline void *io_u_verify_off(struct verify_header *hdr, struct vcont *vc) |
d9f2caf3 | 356 | { |
ed3a433d | 357 | return vc->io_u->buf + vc->hdr_num * hdr->len + hdr_size(vc->td, hdr); |
d9f2caf3 JA |
358 | } |
359 | ||
92bf48d5 JA |
360 | static int verify_io_u_pattern(struct verify_header *hdr, struct vcont *vc) |
361 | { | |
362 | struct thread_data *td = vc->td; | |
363 | struct io_u *io_u = vc->io_u; | |
364 | char *buf, *pattern; | |
2b13e716 | 365 | unsigned int header_size = __hdr_size(td->o.verify); |
25276497 RP |
366 | unsigned int len, mod, i, pattern_size; |
367 | int rc; | |
92bf48d5 JA |
368 | |
369 | pattern = td->o.verify_pattern; | |
9a2a86d0 | 370 | pattern_size = td->o.verify_pattern_bytes; |
61b9861d RP |
371 | assert(pattern_size != 0); |
372 | ||
373 | (void)paste_format_inplace(pattern, pattern_size, | |
374 | td->o.verify_fmt, td->o.verify_fmt_sz, io_u); | |
375 | ||
2b13e716 JA |
376 | buf = (void *) hdr + header_size; |
377 | len = get_hdr_inc(td, io_u) - header_size; | |
61b9861d | 378 | mod = (get_hdr_inc(td, io_u) * vc->hdr_num + header_size) % pattern_size; |
9a2a86d0 | 379 | |
25276497 RP |
380 | rc = cmp_pattern(pattern, pattern_size, mod, buf, len); |
381 | if (!rc) | |
382 | return 0; | |
92bf48d5 | 383 | |
25276497 RP |
384 | /* Slow path, compare each byte */ |
385 | for (i = 0; i < len; i++) { | |
92bf48d5 JA |
386 | if (buf[i] != pattern[mod]) { |
387 | unsigned int bits; | |
388 | ||
389 | bits = hweight8(buf[i] ^ pattern[mod]); | |
25276497 RP |
390 | log_err("fio: got pattern '%02x', wanted '%02x'. Bad bits %d\n", |
391 | (unsigned char)buf[i], | |
392 | (unsigned char)pattern[mod], | |
393 | bits); | |
92bf48d5 JA |
394 | log_err("fio: bad pattern block offset %u\n", i); |
395 | dump_verify_buffers(hdr, vc); | |
396 | return EILSEQ; | |
397 | } | |
398 | mod++; | |
399 | if (mod == td->o.verify_pattern_bytes) | |
400 | mod = 0; | |
401 | } | |
402 | ||
25276497 RP |
403 | /* Unreachable line */ |
404 | assert(0); | |
405 | return EILSEQ; | |
92bf48d5 JA |
406 | } |
407 | ||
844ea602 JA |
408 | static int verify_io_u_xxhash(struct verify_header *hdr, struct vcont *vc) |
409 | { | |
410 | void *p = io_u_verify_off(hdr, vc); | |
411 | struct vhdr_xxhash *vh = hdr_priv(hdr); | |
412 | uint32_t hash; | |
413 | void *state; | |
414 | ||
415 | dprint(FD_VERIFY, "xxhash verify io_u %p, len %u\n", vc->io_u, hdr->len); | |
416 | ||
417 | state = XXH32_init(1); | |
ed3a433d | 418 | XXH32_update(state, p, hdr->len - hdr_size(vc->td, hdr)); |
844ea602 JA |
419 | hash = XXH32_digest(state); |
420 | ||
421 | if (vh->hash == hash) | |
422 | return 0; | |
423 | ||
424 | vc->name = "xxhash"; | |
425 | vc->good_crc = &vh->hash; | |
426 | vc->bad_crc = &hash; | |
427 | vc->crc_len = sizeof(hash); | |
428 | log_verify_failure(hdr, vc); | |
429 | return EILSEQ; | |
430 | } | |
431 | ||
936216f8 | 432 | static int verify_io_u_sha512(struct verify_header *hdr, struct vcont *vc) |
cd14cc10 | 433 | { |
936216f8 | 434 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 435 | struct vhdr_sha512 *vh = hdr_priv(hdr); |
cd14cc10 | 436 | uint8_t sha512[128]; |
25dfa848 | 437 | struct fio_sha512_ctx sha512_ctx = { |
cd14cc10 JA |
438 | .buf = sha512, |
439 | }; | |
440 | ||
936216f8 | 441 | dprint(FD_VERIFY, "sha512 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 442 | |
25dfa848 | 443 | fio_sha512_init(&sha512_ctx); |
ed3a433d | 444 | fio_sha512_update(&sha512_ctx, p, hdr->len - hdr_size(vc->td, hdr)); |
cd14cc10 | 445 | |
bfacf389 JA |
446 | if (!memcmp(vh->sha512, sha512_ctx.buf, sizeof(sha512))) |
447 | return 0; | |
cd14cc10 | 448 | |
bfacf389 JA |
449 | vc->name = "sha512"; |
450 | vc->good_crc = vh->sha512; | |
451 | vc->bad_crc = sha512_ctx.buf; | |
452 | vc->crc_len = sizeof(vh->sha512); | |
453 | log_verify_failure(hdr, vc); | |
454 | return EILSEQ; | |
cd14cc10 JA |
455 | } |
456 | ||
936216f8 | 457 | static int verify_io_u_sha256(struct verify_header *hdr, struct vcont *vc) |
cd14cc10 | 458 | { |
936216f8 | 459 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 460 | struct vhdr_sha256 *vh = hdr_priv(hdr); |
bc77f56f | 461 | uint8_t sha256[64]; |
25dfa848 | 462 | struct fio_sha256_ctx sha256_ctx = { |
cd14cc10 JA |
463 | .buf = sha256, |
464 | }; | |
465 | ||
936216f8 | 466 | dprint(FD_VERIFY, "sha256 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 467 | |
25dfa848 | 468 | fio_sha256_init(&sha256_ctx); |
ed3a433d | 469 | fio_sha256_update(&sha256_ctx, p, hdr->len - hdr_size(vc->td, hdr)); |
017052b6 | 470 | fio_sha256_final(&sha256_ctx); |
cd14cc10 | 471 | |
bfacf389 JA |
472 | if (!memcmp(vh->sha256, sha256_ctx.buf, sizeof(sha256))) |
473 | return 0; | |
cd14cc10 | 474 | |
bfacf389 JA |
475 | vc->name = "sha256"; |
476 | vc->good_crc = vh->sha256; | |
477 | vc->bad_crc = sha256_ctx.buf; | |
478 | vc->crc_len = sizeof(vh->sha256); | |
479 | log_verify_failure(hdr, vc); | |
480 | return EILSEQ; | |
cd14cc10 JA |
481 | } |
482 | ||
936216f8 | 483 | static int verify_io_u_sha1(struct verify_header *hdr, struct vcont *vc) |
7c353ceb | 484 | { |
936216f8 | 485 | void *p = io_u_verify_off(hdr, vc); |
7c353ceb JA |
486 | struct vhdr_sha1 *vh = hdr_priv(hdr); |
487 | uint32_t sha1[5]; | |
25dfa848 | 488 | struct fio_sha1_ctx sha1_ctx = { |
7c353ceb JA |
489 | .H = sha1, |
490 | }; | |
491 | ||
936216f8 | 492 | dprint(FD_VERIFY, "sha1 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
7c353ceb | 493 | |
25dfa848 | 494 | fio_sha1_init(&sha1_ctx); |
ed3a433d | 495 | fio_sha1_update(&sha1_ctx, p, hdr->len - hdr_size(vc->td, hdr)); |
017052b6 | 496 | fio_sha1_final(&sha1_ctx); |
7c353ceb | 497 | |
bfacf389 JA |
498 | if (!memcmp(vh->sha1, sha1_ctx.H, sizeof(sha1))) |
499 | return 0; | |
7c353ceb | 500 | |
bfacf389 JA |
501 | vc->name = "sha1"; |
502 | vc->good_crc = vh->sha1; | |
503 | vc->bad_crc = sha1_ctx.H; | |
504 | vc->crc_len = sizeof(vh->sha1); | |
505 | log_verify_failure(hdr, vc); | |
506 | return EILSEQ; | |
7c353ceb JA |
507 | } |
508 | ||
936216f8 | 509 | static int verify_io_u_crc7(struct verify_header *hdr, struct vcont *vc) |
1e154bdb | 510 | { |
936216f8 | 511 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 512 | struct vhdr_crc7 *vh = hdr_priv(hdr); |
1e154bdb JA |
513 | unsigned char c; |
514 | ||
936216f8 | 515 | dprint(FD_VERIFY, "crc7 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 516 | |
ed3a433d | 517 | c = fio_crc7(p, hdr->len - hdr_size(vc->td, hdr)); |
1e154bdb | 518 | |
bfacf389 JA |
519 | if (c == vh->crc7) |
520 | return 0; | |
1e154bdb | 521 | |
bfacf389 JA |
522 | vc->name = "crc7"; |
523 | vc->good_crc = &vh->crc7; | |
524 | vc->bad_crc = &c; | |
525 | vc->crc_len = 1; | |
526 | log_verify_failure(hdr, vc); | |
527 | return EILSEQ; | |
1e154bdb JA |
528 | } |
529 | ||
936216f8 | 530 | static int verify_io_u_crc16(struct verify_header *hdr, struct vcont *vc) |
969f7ed3 | 531 | { |
936216f8 | 532 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 533 | struct vhdr_crc16 *vh = hdr_priv(hdr); |
969f7ed3 JA |
534 | unsigned short c; |
535 | ||
936216f8 | 536 | dprint(FD_VERIFY, "crc16 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 537 | |
ed3a433d | 538 | c = fio_crc16(p, hdr->len - hdr_size(vc->td, hdr)); |
969f7ed3 | 539 | |
bfacf389 JA |
540 | if (c == vh->crc16) |
541 | return 0; | |
969f7ed3 | 542 | |
bfacf389 JA |
543 | vc->name = "crc16"; |
544 | vc->good_crc = &vh->crc16; | |
545 | vc->bad_crc = &c; | |
546 | vc->crc_len = 2; | |
547 | log_verify_failure(hdr, vc); | |
548 | return EILSEQ; | |
969f7ed3 JA |
549 | } |
550 | ||
936216f8 | 551 | static int verify_io_u_crc64(struct verify_header *hdr, struct vcont *vc) |
d77a7af3 | 552 | { |
936216f8 | 553 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 554 | struct vhdr_crc64 *vh = hdr_priv(hdr); |
d77a7af3 JA |
555 | unsigned long long c; |
556 | ||
936216f8 | 557 | dprint(FD_VERIFY, "crc64 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 558 | |
ed3a433d | 559 | c = fio_crc64(p, hdr->len - hdr_size(vc->td, hdr)); |
d77a7af3 | 560 | |
bfacf389 JA |
561 | if (c == vh->crc64) |
562 | return 0; | |
d77a7af3 | 563 | |
bfacf389 JA |
564 | vc->name = "crc64"; |
565 | vc->good_crc = &vh->crc64; | |
566 | vc->bad_crc = &c; | |
567 | vc->crc_len = 8; | |
568 | log_verify_failure(hdr, vc); | |
569 | return EILSEQ; | |
d77a7af3 JA |
570 | } |
571 | ||
936216f8 | 572 | static int verify_io_u_crc32(struct verify_header *hdr, struct vcont *vc) |
e29d1b70 | 573 | { |
936216f8 | 574 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f JA |
575 | struct vhdr_crc32 *vh = hdr_priv(hdr); |
576 | uint32_t c; | |
e29d1b70 | 577 | |
936216f8 | 578 | dprint(FD_VERIFY, "crc32 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 579 | |
ed3a433d | 580 | c = fio_crc32(p, hdr->len - hdr_size(vc->td, hdr)); |
e29d1b70 | 581 | |
bfacf389 JA |
582 | if (c == vh->crc32) |
583 | return 0; | |
e29d1b70 | 584 | |
bfacf389 JA |
585 | vc->name = "crc32"; |
586 | vc->good_crc = &vh->crc32; | |
587 | vc->bad_crc = &c; | |
588 | vc->crc_len = 4; | |
589 | log_verify_failure(hdr, vc); | |
590 | return EILSEQ; | |
e29d1b70 JA |
591 | } |
592 | ||
936216f8 | 593 | static int verify_io_u_crc32c(struct verify_header *hdr, struct vcont *vc) |
bac39e0e | 594 | { |
936216f8 | 595 | void *p = io_u_verify_off(hdr, vc); |
bac39e0e JA |
596 | struct vhdr_crc32 *vh = hdr_priv(hdr); |
597 | uint32_t c; | |
598 | ||
936216f8 | 599 | dprint(FD_VERIFY, "crc32c verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bac39e0e | 600 | |
ed3a433d | 601 | c = fio_crc32c(p, hdr->len - hdr_size(vc->td, hdr)); |
bac39e0e | 602 | |
bfacf389 JA |
603 | if (c == vh->crc32) |
604 | return 0; | |
bac39e0e | 605 | |
bfacf389 JA |
606 | vc->name = "crc32c"; |
607 | vc->good_crc = &vh->crc32; | |
608 | vc->bad_crc = &c; | |
609 | vc->crc_len = 4; | |
610 | log_verify_failure(hdr, vc); | |
611 | return EILSEQ; | |
bac39e0e JA |
612 | } |
613 | ||
936216f8 | 614 | static int verify_io_u_md5(struct verify_header *hdr, struct vcont *vc) |
e29d1b70 | 615 | { |
936216f8 | 616 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 617 | struct vhdr_md5 *vh = hdr_priv(hdr); |
8c432325 | 618 | uint32_t hash[MD5_HASH_WORDS]; |
25dfa848 | 619 | struct fio_md5_ctx md5_ctx = { |
8c432325 JA |
620 | .hash = hash, |
621 | }; | |
e29d1b70 | 622 | |
936216f8 | 623 | dprint(FD_VERIFY, "md5 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 624 | |
25dfa848 | 625 | fio_md5_init(&md5_ctx); |
ed3a433d | 626 | fio_md5_update(&md5_ctx, p, hdr->len - hdr_size(vc->td, hdr)); |
017052b6 | 627 | fio_md5_final(&md5_ctx); |
e29d1b70 | 628 | |
bfacf389 JA |
629 | if (!memcmp(vh->md5_digest, md5_ctx.hash, sizeof(hash))) |
630 | return 0; | |
e29d1b70 | 631 | |
bfacf389 JA |
632 | vc->name = "md5"; |
633 | vc->good_crc = vh->md5_digest; | |
634 | vc->bad_crc = md5_ctx.hash; | |
635 | vc->crc_len = sizeof(hash); | |
636 | log_verify_failure(hdr, vc); | |
637 | return EILSEQ; | |
e29d1b70 JA |
638 | } |
639 | ||
e8462bd8 JA |
640 | /* |
641 | * Push IO verification to a separate thread | |
642 | */ | |
f8b0bd10 | 643 | int verify_io_u_async(struct thread_data *td, struct io_u **io_u_ptr) |
e8462bd8 | 644 | { |
f8b0bd10 | 645 | struct io_u *io_u = *io_u_ptr; |
e8462bd8 | 646 | |
e8462bd8 | 647 | pthread_mutex_lock(&td->io_u_lock); |
d7ee2a7d | 648 | |
f8b0bd10 JA |
649 | if (io_u->file) |
650 | put_file_log(td, io_u->file); | |
651 | ||
0c41214f RR |
652 | if (io_u->flags & IO_U_F_IN_CUR_DEPTH) { |
653 | td->cur_depth--; | |
a9da8ab2 | 654 | io_u_clear(io_u, IO_U_F_IN_CUR_DEPTH); |
0c41214f | 655 | } |
2ae0b204 | 656 | flist_add_tail(&io_u->verify_list, &td->verify_list); |
f8b0bd10 | 657 | *io_u_ptr = NULL; |
e8462bd8 JA |
658 | pthread_mutex_unlock(&td->io_u_lock); |
659 | ||
660 | pthread_cond_signal(&td->verify_cond); | |
e8462bd8 JA |
661 | return 0; |
662 | } | |
663 | ||
323f58c5 JA |
664 | /* |
665 | * Thanks Rusty, for spending the time so I don't have to. | |
666 | * | |
667 | * http://rusty.ozlabs.org/?p=560 | |
668 | */ | |
669 | static int mem_is_zero(const void *data, size_t length) | |
670 | { | |
671 | const unsigned char *p = data; | |
672 | size_t len; | |
673 | ||
674 | /* Check first 16 bytes manually */ | |
675 | for (len = 0; len < 16; len++) { | |
676 | if (!length) | |
677 | return 1; | |
678 | if (*p) | |
679 | return 0; | |
680 | p++; | |
681 | length--; | |
682 | } | |
683 | ||
684 | /* Now we know that's zero, memcmp with self. */ | |
685 | return memcmp(data, p, length) == 0; | |
686 | } | |
687 | ||
688 | static int mem_is_zero_slow(const void *data, size_t length, size_t *offset) | |
689 | { | |
690 | const unsigned char *p = data; | |
691 | ||
692 | *offset = 0; | |
693 | while (length) { | |
694 | if (*p) | |
695 | break; | |
696 | (*offset)++; | |
697 | length--; | |
698 | p++; | |
699 | } | |
700 | ||
701 | return !length; | |
702 | } | |
703 | ||
0d29de83 JA |
704 | static int verify_trimmed_io_u(struct thread_data *td, struct io_u *io_u) |
705 | { | |
323f58c5 | 706 | size_t offset; |
0d29de83 JA |
707 | |
708 | if (!td->o.trim_zero) | |
709 | return 0; | |
710 | ||
323f58c5 | 711 | if (mem_is_zero(io_u->buf, io_u->buflen)) |
0d29de83 JA |
712 | return 0; |
713 | ||
323f58c5 JA |
714 | mem_is_zero_slow(io_u->buf, io_u->buflen, &offset); |
715 | ||
a917a8b3 JA |
716 | log_err("trim: verify failed at file %s offset %llu, length %lu" |
717 | ", block offset %lu\n", | |
718 | io_u->file->file_name, io_u->offset, io_u->buflen, | |
323f58c5 JA |
719 | (unsigned long) offset); |
720 | return EILSEQ; | |
0d29de83 JA |
721 | } |
722 | ||
b638d82f RP |
723 | static int verify_header(struct io_u *io_u, struct thread_data *td, |
724 | struct verify_header *hdr, unsigned int hdr_num, | |
725 | 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 | } | |
b638d82f RP |
746 | if (hdr->offset != io_u->offset + hdr_num * td->o.verify_interval) { |
747 | log_err("verify: bad header offset %"PRIu64 | |
748 | ", wanted %llu", | |
749 | hdr->offset, io_u->offset); | |
750 | goto err; | |
751 | } | |
752 | ||
753 | /* | |
754 | * For read-only workloads, the program cannot be certain of the | |
755 | * last numberio written to a block. Checking of numberio will be | |
756 | * done only for workloads that write data. For verify_only, | |
757 | * numberio will be checked in the last iteration when the correct | |
758 | * state of numberio, that would have been written to each block | |
759 | * in a previous run of fio, has been reached. | |
760 | */ | |
761 | if ((td_write(td) || td_rw(td)) && (td_min_bs(td) == td_max_bs(td)) && | |
762 | !td->o.time_based) | |
763 | if (!td->o.verify_only || td->o.loops == 0) | |
764 | if (hdr->numberio != io_u->numberio) { | |
765 | log_err("verify: bad header numberio %"PRIu16 | |
766 | ", wanted %"PRIu16, | |
767 | hdr->numberio, io_u->numberio); | |
768 | goto err; | |
769 | } | |
ae38c0dc | 770 | |
25dfa848 | 771 | crc = fio_crc32c(p, offsetof(struct verify_header, crc32)); |
5964842c AG |
772 | if (crc != hdr->crc32) { |
773 | log_err("verify: bad header crc %x, calculated %x", | |
774 | hdr->crc32, crc); | |
775 | goto err; | |
776 | } | |
777 | return 0; | |
778 | ||
779 | err: | |
780 | log_err(" at file %s offset %llu, length %u\n", | |
781 | io_u->file->file_name, | |
782 | io_u->offset + hdr_num * hdr_len, hdr_len); | |
16758b59 JA |
783 | |
784 | if (td->o.verify_dump) | |
785 | dump_buf(p, hdr_len, io_u->offset + hdr_num * hdr_len, | |
786 | "hdr_fail", io_u->file); | |
787 | ||
5964842c | 788 | return EILSEQ; |
f65d1c26 JA |
789 | } |
790 | ||
f8b0bd10 | 791 | int verify_io_u(struct thread_data *td, struct io_u **io_u_ptr) |
e29d1b70 | 792 | { |
3f9f4e26 | 793 | struct verify_header *hdr; |
f8b0bd10 | 794 | struct io_u *io_u = *io_u_ptr; |
2b13e716 | 795 | unsigned int header_size, hdr_inc, hdr_num = 0; |
95646108 | 796 | void *p; |
e29d1b70 JA |
797 | int ret; |
798 | ||
1dcc0498 | 799 | if (td->o.verify == VERIFY_NULL || io_u->ddir != DDIR_READ) |
36690c9b | 800 | return 0; |
5c57c084 JA |
801 | /* |
802 | * If the IO engine is faking IO (like null), then just pretend | |
803 | * we verified everything. | |
804 | */ | |
805 | if (td->io_ops->flags & FIO_FAKEIO) | |
806 | return 0; | |
807 | ||
0d29de83 JA |
808 | if (io_u->flags & IO_U_F_TRIMMED) { |
809 | ret = verify_trimmed_io_u(td, io_u); | |
810 | goto done; | |
811 | } | |
36690c9b | 812 | |
cfbcd0dc | 813 | hdr_inc = get_hdr_inc(td, io_u); |
e29d1b70 | 814 | |
a12a3b4d | 815 | ret = 0; |
5ec10eaa JA |
816 | for (p = io_u->buf; p < io_u->buf + io_u->buflen; |
817 | p += hdr_inc, hdr_num++) { | |
bfacf389 JA |
818 | struct vcont vc = { |
819 | .io_u = io_u, | |
820 | .hdr_num = hdr_num, | |
7d9fb455 | 821 | .td = td, |
bfacf389 | 822 | }; |
f00b210f | 823 | unsigned int verify_type; |
936216f8 | 824 | |
f3e6cb95 | 825 | if (ret && td->o.verify_fatal) |
a12a3b4d | 826 | break; |
f3e6cb95 | 827 | |
2b13e716 | 828 | header_size = __hdr_size(td->o.verify); |
a59e170d | 829 | if (td->o.verify_offset) |
2b13e716 | 830 | memswp(p, p + td->o.verify_offset, header_size); |
95646108 | 831 | hdr = p; |
e29d1b70 | 832 | |
c4b6117b PV |
833 | /* |
834 | * Make rand_seed check pass when have verifysort or | |
835 | * verify_backlog. | |
836 | */ | |
837 | if (td->o.verifysort || (td->flags & TD_F_VER_BACKLOG)) | |
838 | io_u->rand_seed = hdr->rand_seed; | |
839 | ||
59245381 | 840 | if (td->o.verify != VERIFY_PATTERN_NO_HDR) { |
b638d82f | 841 | ret = verify_header(io_u, td, hdr, hdr_num, hdr_inc); |
59245381 JA |
842 | if (ret) |
843 | return ret; | |
844 | } | |
3f199b01 | 845 | |
f00b210f JA |
846 | if (td->o.verify != VERIFY_NONE) |
847 | verify_type = td->o.verify; | |
848 | else | |
849 | verify_type = hdr->verify_type; | |
850 | ||
851 | switch (verify_type) { | |
b638d82f RP |
852 | case VERIFY_HDR_ONLY: |
853 | /* Header is always verified, check if pattern is left | |
854 | * for verification. */ | |
855 | if (td->o.verify_pattern_bytes) | |
856 | ret = verify_io_u_pattern(hdr, &vc); | |
857 | break; | |
3f9f4e26 | 858 | case VERIFY_MD5: |
936216f8 | 859 | ret = verify_io_u_md5(hdr, &vc); |
3f9f4e26 SL |
860 | break; |
861 | case VERIFY_CRC64: | |
936216f8 | 862 | ret = verify_io_u_crc64(hdr, &vc); |
3f9f4e26 | 863 | break; |
bac39e0e | 864 | case VERIFY_CRC32C: |
3845591f | 865 | case VERIFY_CRC32C_INTEL: |
936216f8 | 866 | ret = verify_io_u_crc32c(hdr, &vc); |
bac39e0e | 867 | break; |
3f9f4e26 | 868 | case VERIFY_CRC32: |
936216f8 | 869 | ret = verify_io_u_crc32(hdr, &vc); |
3f9f4e26 SL |
870 | break; |
871 | case VERIFY_CRC16: | |
936216f8 | 872 | ret = verify_io_u_crc16(hdr, &vc); |
3f9f4e26 SL |
873 | break; |
874 | case VERIFY_CRC7: | |
936216f8 | 875 | ret = verify_io_u_crc7(hdr, &vc); |
3f9f4e26 | 876 | break; |
cd14cc10 | 877 | case VERIFY_SHA256: |
936216f8 | 878 | ret = verify_io_u_sha256(hdr, &vc); |
cd14cc10 JA |
879 | break; |
880 | case VERIFY_SHA512: | |
936216f8 | 881 | ret = verify_io_u_sha512(hdr, &vc); |
cd14cc10 | 882 | break; |
844ea602 JA |
883 | case VERIFY_XXHASH: |
884 | ret = verify_io_u_xxhash(hdr, &vc); | |
885 | break; | |
7c353ceb | 886 | case VERIFY_SHA1: |
936216f8 | 887 | ret = verify_io_u_sha1(hdr, &vc); |
7c353ceb | 888 | break; |
92bf48d5 | 889 | case VERIFY_PATTERN: |
59245381 | 890 | case VERIFY_PATTERN_NO_HDR: |
92bf48d5 JA |
891 | ret = verify_io_u_pattern(hdr, &vc); |
892 | break; | |
3f9f4e26 SL |
893 | default: |
894 | log_err("Bad verify type %u\n", hdr->verify_type); | |
d16d4e09 | 895 | ret = EINVAL; |
3f9f4e26 | 896 | } |
f00b210f JA |
897 | |
898 | if (ret && verify_type != hdr->verify_type) | |
899 | log_err("fio: verify type mismatch (%u media, %u given)\n", | |
900 | hdr->verify_type, verify_type); | |
3f9f4e26 | 901 | } |
a7dfe862 | 902 | |
0d29de83 | 903 | done: |
f3e6cb95 | 904 | if (ret && td->o.verify_fatal) |
ebea2133 | 905 | fio_mark_td_terminate(td); |
f3e6cb95 | 906 | |
a12a3b4d | 907 | return ret; |
e29d1b70 JA |
908 | } |
909 | ||
844ea602 JA |
910 | static void fill_xxhash(struct verify_header *hdr, void *p, unsigned int len) |
911 | { | |
912 | struct vhdr_xxhash *vh = hdr_priv(hdr); | |
913 | void *state; | |
914 | ||
915 | state = XXH32_init(1); | |
916 | XXH32_update(state, p, len); | |
917 | vh->hash = XXH32_digest(state); | |
918 | } | |
919 | ||
cd14cc10 JA |
920 | static void fill_sha512(struct verify_header *hdr, void *p, unsigned int len) |
921 | { | |
546dfd9f | 922 | struct vhdr_sha512 *vh = hdr_priv(hdr); |
25dfa848 | 923 | struct fio_sha512_ctx sha512_ctx = { |
546dfd9f | 924 | .buf = vh->sha512, |
cd14cc10 JA |
925 | }; |
926 | ||
25dfa848 JA |
927 | fio_sha512_init(&sha512_ctx); |
928 | fio_sha512_update(&sha512_ctx, p, len); | |
cd14cc10 JA |
929 | } |
930 | ||
931 | static void fill_sha256(struct verify_header *hdr, void *p, unsigned int len) | |
932 | { | |
546dfd9f | 933 | struct vhdr_sha256 *vh = hdr_priv(hdr); |
25dfa848 | 934 | struct fio_sha256_ctx sha256_ctx = { |
546dfd9f | 935 | .buf = vh->sha256, |
cd14cc10 JA |
936 | }; |
937 | ||
25dfa848 JA |
938 | fio_sha256_init(&sha256_ctx); |
939 | fio_sha256_update(&sha256_ctx, p, len); | |
017052b6 | 940 | fio_sha256_final(&sha256_ctx); |
cd14cc10 JA |
941 | } |
942 | ||
7c353ceb JA |
943 | static void fill_sha1(struct verify_header *hdr, void *p, unsigned int len) |
944 | { | |
945 | struct vhdr_sha1 *vh = hdr_priv(hdr); | |
25dfa848 | 946 | struct fio_sha1_ctx sha1_ctx = { |
7c353ceb JA |
947 | .H = vh->sha1, |
948 | }; | |
949 | ||
25dfa848 JA |
950 | fio_sha1_init(&sha1_ctx); |
951 | fio_sha1_update(&sha1_ctx, p, len); | |
017052b6 | 952 | fio_sha1_final(&sha1_ctx); |
7c353ceb JA |
953 | } |
954 | ||
1e154bdb JA |
955 | static void fill_crc7(struct verify_header *hdr, void *p, unsigned int len) |
956 | { | |
546dfd9f JA |
957 | struct vhdr_crc7 *vh = hdr_priv(hdr); |
958 | ||
25dfa848 | 959 | vh->crc7 = fio_crc7(p, len); |
1e154bdb JA |
960 | } |
961 | ||
969f7ed3 JA |
962 | static void fill_crc16(struct verify_header *hdr, void *p, unsigned int len) |
963 | { | |
546dfd9f JA |
964 | struct vhdr_crc16 *vh = hdr_priv(hdr); |
965 | ||
25dfa848 | 966 | vh->crc16 = fio_crc16(p, len); |
969f7ed3 JA |
967 | } |
968 | ||
e29d1b70 JA |
969 | static void fill_crc32(struct verify_header *hdr, void *p, unsigned int len) |
970 | { | |
546dfd9f JA |
971 | struct vhdr_crc32 *vh = hdr_priv(hdr); |
972 | ||
25dfa848 | 973 | vh->crc32 = fio_crc32(p, len); |
e29d1b70 JA |
974 | } |
975 | ||
bac39e0e JA |
976 | static void fill_crc32c(struct verify_header *hdr, void *p, unsigned int len) |
977 | { | |
978 | struct vhdr_crc32 *vh = hdr_priv(hdr); | |
979 | ||
25dfa848 | 980 | vh->crc32 = fio_crc32c(p, len); |
bac39e0e JA |
981 | } |
982 | ||
d77a7af3 JA |
983 | static void fill_crc64(struct verify_header *hdr, void *p, unsigned int len) |
984 | { | |
546dfd9f JA |
985 | struct vhdr_crc64 *vh = hdr_priv(hdr); |
986 | ||
25dfa848 | 987 | vh->crc64 = fio_crc64(p, len); |
d77a7af3 JA |
988 | } |
989 | ||
e29d1b70 JA |
990 | static void fill_md5(struct verify_header *hdr, void *p, unsigned int len) |
991 | { | |
546dfd9f | 992 | struct vhdr_md5 *vh = hdr_priv(hdr); |
25dfa848 | 993 | struct fio_md5_ctx md5_ctx = { |
546dfd9f | 994 | .hash = (uint32_t *) vh->md5_digest, |
8c432325 | 995 | }; |
e29d1b70 | 996 | |
25dfa848 JA |
997 | fio_md5_init(&md5_ctx); |
998 | fio_md5_update(&md5_ctx, p, len); | |
017052b6 | 999 | fio_md5_final(&md5_ctx); |
e29d1b70 JA |
1000 | } |
1001 | ||
b638d82f RP |
1002 | static void __fill_hdr(struct thread_data *td, struct io_u *io_u, |
1003 | struct verify_header *hdr, unsigned int header_num, | |
1004 | unsigned int header_len, uint64_t rand_seed) | |
9ba987cc JA |
1005 | { |
1006 | void *p = hdr; | |
1007 | ||
1008 | hdr->magic = FIO_HDR_MAGIC; | |
b638d82f RP |
1009 | hdr->verify_type = td->o.verify; |
1010 | hdr->len = header_len; | |
9ba987cc | 1011 | hdr->rand_seed = rand_seed; |
b638d82f RP |
1012 | hdr->offset = io_u->offset + header_num * td->o.verify_interval; |
1013 | hdr->time_sec = io_u->start_time.tv_sec; | |
1014 | hdr->time_usec = io_u->start_time.tv_usec; | |
1015 | hdr->thread = td->thread_number; | |
1016 | hdr->numberio = io_u->numberio; | |
9ba987cc JA |
1017 | hdr->crc32 = fio_crc32c(p, offsetof(struct verify_header, crc32)); |
1018 | } | |
1019 | ||
ed3a433d | 1020 | |
b638d82f RP |
1021 | static void fill_hdr(struct thread_data *td, struct io_u *io_u, |
1022 | struct verify_header *hdr, unsigned int header_num, | |
1023 | unsigned int header_len, uint64_t rand_seed) | |
ed3a433d | 1024 | { |
b638d82f RP |
1025 | |
1026 | if (td->o.verify != VERIFY_PATTERN_NO_HDR) | |
1027 | __fill_hdr(td, io_u, hdr, header_num, header_len, rand_seed); | |
ed3a433d JA |
1028 | } |
1029 | ||
7d9fb455 JA |
1030 | static void populate_hdr(struct thread_data *td, struct io_u *io_u, |
1031 | struct verify_header *hdr, unsigned int header_num, | |
1032 | unsigned int header_len) | |
1033 | { | |
1034 | unsigned int data_len; | |
1035 | void *data, *p; | |
1036 | ||
1037 | p = (void *) hdr; | |
1038 | ||
b638d82f | 1039 | fill_hdr(td, io_u, hdr, header_num, header_len, io_u->rand_seed); |
f65d1c26 | 1040 | |
ed3a433d | 1041 | data_len = header_len - hdr_size(td, hdr); |
7d9fb455 | 1042 | |
ed3a433d | 1043 | data = p + hdr_size(td, hdr); |
7d9fb455 JA |
1044 | switch (td->o.verify) { |
1045 | case VERIFY_MD5: | |
1046 | dprint(FD_VERIFY, "fill md5 io_u %p, len %u\n", | |
1047 | io_u, hdr->len); | |
1048 | fill_md5(hdr, data, data_len); | |
1049 | break; | |
1050 | case VERIFY_CRC64: | |
1051 | dprint(FD_VERIFY, "fill crc64 io_u %p, len %u\n", | |
1052 | io_u, hdr->len); | |
1053 | fill_crc64(hdr, data, data_len); | |
1054 | break; | |
1055 | case VERIFY_CRC32C: | |
1056 | case VERIFY_CRC32C_INTEL: | |
1057 | dprint(FD_VERIFY, "fill crc32c io_u %p, len %u\n", | |
1058 | io_u, hdr->len); | |
1059 | fill_crc32c(hdr, data, data_len); | |
1060 | break; | |
1061 | case VERIFY_CRC32: | |
1062 | dprint(FD_VERIFY, "fill crc32 io_u %p, len %u\n", | |
1063 | io_u, hdr->len); | |
1064 | fill_crc32(hdr, data, data_len); | |
1065 | break; | |
1066 | case VERIFY_CRC16: | |
1067 | dprint(FD_VERIFY, "fill crc16 io_u %p, len %u\n", | |
1068 | io_u, hdr->len); | |
1069 | fill_crc16(hdr, data, data_len); | |
1070 | break; | |
1071 | case VERIFY_CRC7: | |
1072 | dprint(FD_VERIFY, "fill crc7 io_u %p, len %u\n", | |
1073 | io_u, hdr->len); | |
1074 | fill_crc7(hdr, data, data_len); | |
1075 | break; | |
1076 | case VERIFY_SHA256: | |
1077 | dprint(FD_VERIFY, "fill sha256 io_u %p, len %u\n", | |
1078 | io_u, hdr->len); | |
1079 | fill_sha256(hdr, data, data_len); | |
1080 | break; | |
1081 | case VERIFY_SHA512: | |
1082 | dprint(FD_VERIFY, "fill sha512 io_u %p, len %u\n", | |
1083 | io_u, hdr->len); | |
1084 | fill_sha512(hdr, data, data_len); | |
1085 | break; | |
844ea602 JA |
1086 | case VERIFY_XXHASH: |
1087 | dprint(FD_VERIFY, "fill xxhash io_u %p, len %u\n", | |
1088 | io_u, hdr->len); | |
1089 | fill_xxhash(hdr, data, data_len); | |
1090 | break; | |
7d9fb455 JA |
1091 | case VERIFY_SHA1: |
1092 | dprint(FD_VERIFY, "fill sha1 io_u %p, len %u\n", | |
1093 | io_u, hdr->len); | |
1094 | fill_sha1(hdr, data, data_len); | |
1095 | break; | |
b638d82f | 1096 | case VERIFY_HDR_ONLY: |
92bf48d5 | 1097 | case VERIFY_PATTERN: |
ed3a433d | 1098 | case VERIFY_PATTERN_NO_HDR: |
92bf48d5 JA |
1099 | /* nothing to do here */ |
1100 | break; | |
7d9fb455 JA |
1101 | default: |
1102 | log_err("fio: bad verify type: %d\n", td->o.verify); | |
1103 | assert(0); | |
1104 | } | |
ed3a433d JA |
1105 | |
1106 | if (td->o.verify_offset && hdr_size(td, hdr)) | |
1107 | memswp(p, p + td->o.verify_offset, hdr_size(td, hdr)); | |
7d9fb455 JA |
1108 | } |
1109 | ||
e29d1b70 JA |
1110 | /* |
1111 | * fill body of io_u->buf with random data and add a header with the | |
c50ca7bd | 1112 | * checksum of choice |
e29d1b70 JA |
1113 | */ |
1114 | void populate_verify_io_u(struct thread_data *td, struct io_u *io_u) | |
1115 | { | |
9cc3d150 JA |
1116 | if (td->o.verify == VERIFY_NULL) |
1117 | return; | |
1118 | ||
da0a7bd2 JC |
1119 | io_u->numberio = td->io_issues[io_u->ddir]; |
1120 | ||
c50ca7bd | 1121 | fill_pattern_headers(td, io_u, 0, 0); |
e29d1b70 JA |
1122 | } |
1123 | ||
1124 | int get_next_verify(struct thread_data *td, struct io_u *io_u) | |
1125 | { | |
8de8f047 | 1126 | struct io_piece *ipo = NULL; |
e29d1b70 | 1127 | |
d2d7fa53 JA |
1128 | /* |
1129 | * this io_u is from a requeue, we already filled the offsets | |
1130 | */ | |
1131 | if (io_u->file) | |
1132 | return 0; | |
1133 | ||
8de8f047 JA |
1134 | if (!RB_EMPTY_ROOT(&td->io_hist_tree)) { |
1135 | struct rb_node *n = rb_first(&td->io_hist_tree); | |
e29d1b70 | 1136 | |
8de8f047 | 1137 | ipo = rb_entry(n, struct io_piece, rb_node); |
f9401285 JA |
1138 | |
1139 | /* | |
1140 | * Ensure that the associated IO has completed | |
1141 | */ | |
1142 | read_barrier(); | |
1143 | if (ipo->flags & IP_F_IN_FLIGHT) | |
1144 | goto nothing; | |
1145 | ||
4b87898e | 1146 | rb_erase(n, &td->io_hist_tree); |
a917a8b3 JA |
1147 | assert(ipo->flags & IP_F_ONRB); |
1148 | ipo->flags &= ~IP_F_ONRB; | |
01743ee1 | 1149 | } else if (!flist_empty(&td->io_hist_list)) { |
9342d5f8 | 1150 | ipo = flist_first_entry(&td->io_hist_list, struct io_piece, list); |
f9401285 JA |
1151 | |
1152 | /* | |
1153 | * Ensure that the associated IO has completed | |
1154 | */ | |
1155 | read_barrier(); | |
1156 | if (ipo->flags & IP_F_IN_FLIGHT) | |
1157 | goto nothing; | |
1158 | ||
01743ee1 | 1159 | flist_del(&ipo->list); |
a917a8b3 JA |
1160 | assert(ipo->flags & IP_F_ONLIST); |
1161 | ipo->flags &= ~IP_F_ONLIST; | |
8de8f047 | 1162 | } |
e29d1b70 | 1163 | |
8de8f047 | 1164 | if (ipo) { |
0d29de83 JA |
1165 | td->io_hist_len--; |
1166 | ||
e29d1b70 JA |
1167 | io_u->offset = ipo->offset; |
1168 | io_u->buflen = ipo->len; | |
da0a7bd2 | 1169 | io_u->numberio = ipo->numberio; |
36167d82 | 1170 | io_u->file = ipo->file; |
a9da8ab2 | 1171 | io_u_set(io_u, IO_U_F_VER_LIST); |
97af62ce | 1172 | |
0d29de83 | 1173 | if (ipo->flags & IP_F_TRIMMED) |
a9da8ab2 | 1174 | io_u_set(io_u, IO_U_F_TRIMMED); |
0d29de83 | 1175 | |
d6aed795 | 1176 | if (!fio_file_open(io_u->file)) { |
97af62ce JA |
1177 | int r = td_io_open_file(td, io_u->file); |
1178 | ||
bd6f78b2 JA |
1179 | if (r) { |
1180 | dprint(FD_VERIFY, "failed file %s open\n", | |
1181 | io_u->file->file_name); | |
97af62ce | 1182 | return 1; |
bd6f78b2 | 1183 | } |
97af62ce JA |
1184 | } |
1185 | ||
1186 | get_file(ipo->file); | |
d6aed795 | 1187 | assert(fio_file_open(io_u->file)); |
e29d1b70 | 1188 | io_u->ddir = DDIR_READ; |
36167d82 JA |
1189 | io_u->xfer_buf = io_u->buf; |
1190 | io_u->xfer_buflen = io_u->buflen; | |
0d29de83 JA |
1191 | |
1192 | remove_trim_entry(td, ipo); | |
e29d1b70 | 1193 | free(ipo); |
bd6f78b2 | 1194 | dprint(FD_VERIFY, "get_next_verify: ret io_u %p\n", io_u); |
c4b6117b PV |
1195 | |
1196 | if (!td->o.verify_pattern_bytes) { | |
d6b72507 | 1197 | io_u->rand_seed = __rand(&td->verify_state); |
c4b6117b | 1198 | if (sizeof(int) != sizeof(long *)) |
d6b72507 | 1199 | io_u->rand_seed *= __rand(&td->verify_state); |
c4b6117b | 1200 | } |
e29d1b70 JA |
1201 | return 0; |
1202 | } | |
1203 | ||
f9401285 | 1204 | nothing: |
bd6f78b2 | 1205 | dprint(FD_VERIFY, "get_next_verify: empty\n"); |
e29d1b70 JA |
1206 | return 1; |
1207 | } | |
e8462bd8 | 1208 | |
dc5bfbb2 JA |
1209 | void fio_verify_init(struct thread_data *td) |
1210 | { | |
1211 | if (td->o.verify == VERIFY_CRC32C_INTEL || | |
1212 | td->o.verify == VERIFY_CRC32C) { | |
1213 | crc32c_intel_probe(); | |
1214 | } | |
1215 | } | |
1216 | ||
e8462bd8 JA |
1217 | static void *verify_async_thread(void *data) |
1218 | { | |
1219 | struct thread_data *td = data; | |
1220 | struct io_u *io_u; | |
1221 | int ret = 0; | |
1222 | ||
b2a9e649 | 1223 | if (fio_option_is_set(&td->o, verify_cpumask) && |
e8462bd8 JA |
1224 | fio_setaffinity(td->pid, td->o.verify_cpumask)) { |
1225 | log_err("fio: failed setting verify thread affinity\n"); | |
1226 | goto done; | |
1227 | } | |
1228 | ||
1229 | do { | |
e53ab27c JA |
1230 | FLIST_HEAD(list); |
1231 | ||
e8462bd8 JA |
1232 | read_barrier(); |
1233 | if (td->verify_thread_exit) | |
1234 | break; | |
1235 | ||
1236 | pthread_mutex_lock(&td->io_u_lock); | |
1237 | ||
1238 | while (flist_empty(&td->verify_list) && | |
1239 | !td->verify_thread_exit) { | |
b36e298b JA |
1240 | ret = pthread_cond_wait(&td->verify_cond, |
1241 | &td->io_u_lock); | |
e8462bd8 JA |
1242 | if (ret) { |
1243 | pthread_mutex_unlock(&td->io_u_lock); | |
1244 | break; | |
1245 | } | |
1246 | } | |
1247 | ||
e53ab27c JA |
1248 | flist_splice_init(&td->verify_list, &list); |
1249 | pthread_mutex_unlock(&td->io_u_lock); | |
1250 | ||
1251 | if (flist_empty(&list)) | |
e8462bd8 | 1252 | continue; |
e8462bd8 | 1253 | |
e53ab27c | 1254 | while (!flist_empty(&list)) { |
9342d5f8 | 1255 | io_u = flist_first_entry(&list, struct io_u, verify_list); |
f8b0bd10 JA |
1256 | flist_del_init(&io_u->verify_list); |
1257 | ||
a9da8ab2 | 1258 | io_u_set(io_u, IO_U_F_NO_FILE_PUT); |
f8b0bd10 | 1259 | ret = verify_io_u(td, &io_u); |
e8462bd8 | 1260 | |
e53ab27c | 1261 | put_io_u(td, io_u); |
d561f2ab JA |
1262 | if (!ret) |
1263 | continue; | |
8b28bd41 | 1264 | if (td_non_fatal_error(td, ERROR_TYPE_VERIFY_BIT, ret)) { |
d561f2ab JA |
1265 | update_error_count(td, ret); |
1266 | td_clear_error(td); | |
1267 | ret = 0; | |
1268 | } | |
e53ab27c | 1269 | } |
e8462bd8 JA |
1270 | } while (!ret); |
1271 | ||
d561f2ab JA |
1272 | if (ret) { |
1273 | td_verror(td, ret, "async_verify"); | |
f3e6cb95 | 1274 | if (td->o.verify_fatal) |
ebea2133 | 1275 | fio_mark_td_terminate(td); |
d561f2ab JA |
1276 | } |
1277 | ||
e8462bd8 JA |
1278 | done: |
1279 | pthread_mutex_lock(&td->io_u_lock); | |
1280 | td->nr_verify_threads--; | |
1281 | pthread_mutex_unlock(&td->io_u_lock); | |
1282 | ||
1283 | pthread_cond_signal(&td->free_cond); | |
1284 | return NULL; | |
1285 | } | |
1286 | ||
1287 | int verify_async_init(struct thread_data *td) | |
1288 | { | |
1289 | int i, ret; | |
304a47c7 VA |
1290 | pthread_attr_t attr; |
1291 | ||
1292 | pthread_attr_init(&attr); | |
1293 | pthread_attr_setstacksize(&attr, PTHREAD_STACK_MIN); | |
e8462bd8 JA |
1294 | |
1295 | td->verify_thread_exit = 0; | |
1296 | ||
1297 | td->verify_threads = malloc(sizeof(pthread_t) * td->o.verify_async); | |
1298 | for (i = 0; i < td->o.verify_async; i++) { | |
304a47c7 | 1299 | ret = pthread_create(&td->verify_threads[i], &attr, |
e8462bd8 JA |
1300 | verify_async_thread, td); |
1301 | if (ret) { | |
1302 | log_err("fio: async verify creation failed: %s\n", | |
1303 | strerror(ret)); | |
1304 | break; | |
1305 | } | |
1306 | ret = pthread_detach(td->verify_threads[i]); | |
1307 | if (ret) { | |
1308 | log_err("fio: async verify thread detach failed: %s\n", | |
1309 | strerror(ret)); | |
1310 | break; | |
1311 | } | |
1312 | td->nr_verify_threads++; | |
1313 | } | |
1314 | ||
304a47c7 VA |
1315 | pthread_attr_destroy(&attr); |
1316 | ||
e8462bd8 | 1317 | if (i != td->o.verify_async) { |
e40823b1 | 1318 | log_err("fio: only %d verify threads started, exiting\n", i); |
e8462bd8 JA |
1319 | td->verify_thread_exit = 1; |
1320 | write_barrier(); | |
1321 | pthread_cond_broadcast(&td->verify_cond); | |
1322 | return 1; | |
1323 | } | |
1324 | ||
1325 | return 0; | |
1326 | } | |
1327 | ||
1328 | void verify_async_exit(struct thread_data *td) | |
1329 | { | |
1330 | td->verify_thread_exit = 1; | |
1331 | write_barrier(); | |
1332 | pthread_cond_broadcast(&td->verify_cond); | |
1333 | ||
1334 | pthread_mutex_lock(&td->io_u_lock); | |
1335 | ||
1336 | while (td->nr_verify_threads) | |
1337 | pthread_cond_wait(&td->free_cond, &td->io_u_lock); | |
1338 | ||
1339 | pthread_mutex_unlock(&td->io_u_lock); | |
1340 | free(td->verify_threads); | |
1341 | td->verify_threads = NULL; | |
1342 | } | |
ca09be4b | 1343 | |
61b9861d RP |
1344 | int paste_blockoff(char *buf, unsigned int len, void *priv) |
1345 | { | |
1346 | struct io_u *io = priv; | |
1347 | unsigned long long off; | |
1348 | ||
1349 | typecheck(typeof(off), io->offset); | |
1350 | off = cpu_to_le64((uint64_t)io->offset); | |
1351 | len = min(len, (unsigned int)sizeof(off)); | |
1352 | memcpy(buf, &off, len); | |
1353 | return 0; | |
1354 | } | |
1355 | ||
94a6e1bb JA |
1356 | static int __fill_file_completions(struct thread_data *td, |
1357 | struct thread_io_list *s, | |
1358 | struct fio_file *f, unsigned int *index) | |
1359 | { | |
1360 | unsigned int comps; | |
1361 | int i, j; | |
1362 | ||
1363 | if (!f->last_write_comp) | |
1364 | return 0; | |
1365 | ||
1366 | if (td->io_blocks[DDIR_WRITE] < td->o.iodepth) | |
1367 | comps = td->io_blocks[DDIR_WRITE]; | |
1368 | else | |
1369 | comps = td->o.iodepth; | |
1370 | ||
1371 | j = f->last_write_idx - 1; | |
1372 | for (i = 0; i < comps; i++) { | |
1373 | if (j == -1) | |
1374 | j = td->o.iodepth - 1; | |
1375 | s->comps[*index].fileno = __cpu_to_le64(f->fileno); | |
1376 | s->comps[*index].offset = cpu_to_le64(f->last_write_comp[j]); | |
1377 | (*index)++; | |
1378 | j--; | |
1379 | } | |
1380 | ||
1381 | return comps; | |
1382 | } | |
1383 | ||
1384 | static int fill_file_completions(struct thread_data *td, | |
1385 | struct thread_io_list *s, unsigned int *index) | |
1386 | { | |
1387 | struct fio_file *f; | |
1388 | unsigned int i; | |
1389 | int comps = 0; | |
1390 | ||
1391 | for_each_file(td, f, i) | |
1392 | comps += __fill_file_completions(td, s, f, index); | |
1393 | ||
1394 | return comps; | |
1395 | } | |
1396 | ||
ca09be4b JA |
1397 | struct all_io_list *get_all_io_list(int save_mask, size_t *sz) |
1398 | { | |
1399 | struct all_io_list *rep; | |
1400 | struct thread_data *td; | |
1401 | size_t depth; | |
1402 | void *next; | |
1403 | int i, nr; | |
1404 | ||
1405 | compiletime_assert(sizeof(struct all_io_list) == 8, "all_io_list"); | |
1406 | ||
1407 | /* | |
1408 | * Calculate reply space needed. We need one 'io_state' per thread, | |
1409 | * and the size will vary depending on depth. | |
1410 | */ | |
1411 | depth = 0; | |
1412 | nr = 0; | |
1413 | for_each_td(td, i) { | |
1414 | if (save_mask != IO_LIST_ALL && (i + 1) != save_mask) | |
1415 | continue; | |
1416 | td->stop_io = 1; | |
1417 | td->flags |= TD_F_VSTATE_SAVED; | |
94a6e1bb | 1418 | depth += (td->o.iodepth * td->o.nr_files); |
ca09be4b JA |
1419 | nr++; |
1420 | } | |
1421 | ||
1422 | if (!nr) | |
1423 | return NULL; | |
1424 | ||
1425 | *sz = sizeof(*rep); | |
1426 | *sz += nr * sizeof(struct thread_io_list); | |
94a6e1bb | 1427 | *sz += depth * sizeof(struct file_comp); |
ca09be4b | 1428 | rep = malloc(*sz); |
c68ce5ea | 1429 | memset(rep, 0, *sz); |
ca09be4b JA |
1430 | |
1431 | rep->threads = cpu_to_le64((uint64_t) nr); | |
1432 | ||
1433 | next = &rep->state[0]; | |
1434 | for_each_td(td, i) { | |
1435 | struct thread_io_list *s = next; | |
94a6e1bb | 1436 | unsigned int comps, index = 0; |
ca09be4b JA |
1437 | |
1438 | if (save_mask != IO_LIST_ALL && (i + 1) != save_mask) | |
1439 | continue; | |
1440 | ||
94a6e1bb | 1441 | comps = fill_file_completions(td, s, &index); |
ca09be4b JA |
1442 | |
1443 | s->no_comps = cpu_to_le64((uint64_t) comps); | |
1444 | s->depth = cpu_to_le64((uint64_t) td->o.iodepth); | |
94a6e1bb | 1445 | s->nofiles = cpu_to_le64((uint64_t) td->o.nr_files); |
ca09be4b JA |
1446 | s->numberio = cpu_to_le64((uint64_t) td->io_issues[DDIR_WRITE]); |
1447 | s->index = cpu_to_le64((uint64_t) i); | |
c3546b53 JA |
1448 | if (td->random_state.use64) { |
1449 | s->rand.state64.s[0] = cpu_to_le64(td->random_state.state64.s1); | |
1450 | s->rand.state64.s[1] = cpu_to_le64(td->random_state.state64.s2); | |
1451 | s->rand.state64.s[2] = cpu_to_le64(td->random_state.state64.s3); | |
1452 | s->rand.state64.s[3] = cpu_to_le64(td->random_state.state64.s4); | |
1453 | s->rand.state64.s[4] = cpu_to_le64(td->random_state.state64.s5); | |
1454 | s->rand.state64.s[5] = 0; | |
1455 | s->rand.use64 = cpu_to_le64((uint64_t)1); | |
1456 | } else { | |
1457 | s->rand.state32.s[0] = cpu_to_le32(td->random_state.state32.s1); | |
1458 | s->rand.state32.s[1] = cpu_to_le32(td->random_state.state32.s2); | |
1459 | s->rand.state32.s[2] = cpu_to_le32(td->random_state.state32.s3); | |
1460 | s->rand.state32.s[3] = 0; | |
1461 | s->rand.use64 = 0; | |
1462 | } | |
1dc06a8f JA |
1463 | s->name[sizeof(s->name) - 1] = '\0'; |
1464 | strncpy((char *) s->name, td->o.name, sizeof(s->name) - 1); | |
ca09be4b JA |
1465 | next = io_list_next(s); |
1466 | } | |
1467 | ||
1468 | return rep; | |
1469 | } | |
1470 | ||
1471 | static int open_state_file(const char *name, const char *prefix, int num, | |
1472 | int for_write) | |
1473 | { | |
d117b2bd | 1474 | char out[PATH_MAX]; |
ca09be4b JA |
1475 | int flags; |
1476 | int fd; | |
1477 | ||
1478 | if (for_write) | |
1479 | flags = O_CREAT | O_TRUNC | O_WRONLY | O_SYNC; | |
1480 | else | |
1481 | flags = O_RDONLY; | |
1482 | ||
e499aedc | 1483 | verify_state_gen_name(out, sizeof(out), name, prefix, num); |
ca09be4b JA |
1484 | |
1485 | fd = open(out, flags, 0644); | |
1486 | if (fd == -1) { | |
1487 | perror("fio: open state file"); | |
d117b2bd | 1488 | log_err("fio: state file: %s (for_write=%d)\n", out, for_write); |
ca09be4b JA |
1489 | return -1; |
1490 | } | |
1491 | ||
1492 | return fd; | |
1493 | } | |
1494 | ||
1495 | static int write_thread_list_state(struct thread_io_list *s, | |
1496 | const char *prefix) | |
1497 | { | |
1498 | struct verify_state_hdr hdr; | |
1499 | uint64_t crc; | |
1500 | ssize_t ret; | |
1501 | int fd; | |
1502 | ||
1503 | fd = open_state_file((const char *) s->name, prefix, s->index, 1); | |
1504 | if (fd == -1) | |
1505 | return 1; | |
1506 | ||
1507 | crc = fio_crc32c((void *)s, thread_io_list_sz(s)); | |
1508 | ||
1509 | hdr.version = cpu_to_le64((uint64_t) VSTATE_HDR_VERSION); | |
1510 | hdr.size = cpu_to_le64((uint64_t) thread_io_list_sz(s)); | |
1511 | hdr.crc = cpu_to_le64(crc); | |
1512 | ret = write(fd, &hdr, sizeof(hdr)); | |
1513 | if (ret != sizeof(hdr)) | |
1514 | goto write_fail; | |
1515 | ||
1516 | ret = write(fd, s, thread_io_list_sz(s)); | |
1517 | if (ret != thread_io_list_sz(s)) { | |
1518 | write_fail: | |
1519 | if (ret < 0) | |
1520 | perror("fio: write state file"); | |
1521 | log_err("fio: failed to write state file\n"); | |
1522 | ret = 1; | |
1523 | } else | |
1524 | ret = 0; | |
1525 | ||
1526 | close(fd); | |
1527 | return ret; | |
1528 | } | |
1529 | ||
1530 | void __verify_save_state(struct all_io_list *state, const char *prefix) | |
1531 | { | |
1532 | struct thread_io_list *s = &state->state[0]; | |
1533 | unsigned int i; | |
1534 | ||
1535 | for (i = 0; i < le64_to_cpu(state->threads); i++) { | |
1536 | write_thread_list_state(s, prefix); | |
1537 | s = io_list_next(s); | |
1538 | } | |
1539 | } | |
1540 | ||
d264264a | 1541 | void verify_save_state(int mask) |
ca09be4b JA |
1542 | { |
1543 | struct all_io_list *state; | |
1544 | size_t sz; | |
1545 | ||
d264264a | 1546 | state = get_all_io_list(mask, &sz); |
ca09be4b | 1547 | if (state) { |
d264264a JA |
1548 | char prefix[PATH_MAX]; |
1549 | ||
1550 | if (aux_path) | |
c6d140fb | 1551 | sprintf(prefix, "%s%slocal", aux_path, FIO_OS_PATH_SEPARATOR); |
d264264a | 1552 | else |
c6d140fb | 1553 | strcpy(prefix, "local"); |
d264264a JA |
1554 | |
1555 | __verify_save_state(state, prefix); | |
ca09be4b JA |
1556 | free(state); |
1557 | } | |
1558 | } | |
1559 | ||
1560 | void verify_free_state(struct thread_data *td) | |
1561 | { | |
1562 | if (td->vstate) | |
1563 | free(td->vstate); | |
1564 | } | |
1565 | ||
94a6e1bb | 1566 | void verify_assign_state(struct thread_data *td, void *p) |
ca09be4b | 1567 | { |
94a6e1bb | 1568 | struct thread_io_list *s = p; |
ca09be4b JA |
1569 | int i; |
1570 | ||
94a6e1bb JA |
1571 | s->no_comps = le64_to_cpu(s->no_comps); |
1572 | s->depth = le32_to_cpu(s->depth); | |
1573 | s->nofiles = le32_to_cpu(s->nofiles); | |
1574 | s->numberio = le64_to_cpu(s->numberio); | |
1575 | s->rand.use64 = le64_to_cpu(s->rand.use64); | |
c3546b53 | 1576 | |
94a6e1bb JA |
1577 | if (s->rand.use64) { |
1578 | for (i = 0; i < 6; i++) | |
1579 | s->rand.state64.s[i] = le64_to_cpu(s->rand.state64.s[i]); | |
c3546b53 | 1580 | } else { |
94a6e1bb JA |
1581 | for (i = 0; i < 4; i++) |
1582 | s->rand.state32.s[i] = le32_to_cpu(s->rand.state32.s[i]); | |
1583 | } | |
c3546b53 | 1584 | |
94a6e1bb JA |
1585 | for (i = 0; i < s->no_comps; i++) { |
1586 | s->comps[i].fileno = le64_to_cpu(s->comps[i].fileno); | |
1587 | s->comps[i].offset = le64_to_cpu(s->comps[i].offset); | |
c3546b53 | 1588 | } |
ca09be4b | 1589 | |
94a6e1bb | 1590 | td->vstate = p; |
ca09be4b JA |
1591 | } |
1592 | ||
94a6e1bb | 1593 | int verify_state_hdr(struct verify_state_hdr *hdr, struct thread_io_list *s) |
ca09be4b JA |
1594 | { |
1595 | uint64_t crc; | |
1596 | ||
1597 | hdr->version = le64_to_cpu(hdr->version); | |
1598 | hdr->size = le64_to_cpu(hdr->size); | |
1599 | hdr->crc = le64_to_cpu(hdr->crc); | |
1600 | ||
94a6e1bb | 1601 | if (hdr->version != VSTATE_HDR_VERSION) |
ca09be4b JA |
1602 | return 1; |
1603 | ||
1604 | crc = fio_crc32c((void *)s, hdr->size); | |
1605 | if (crc != hdr->crc) | |
1606 | return 1; | |
1607 | ||
1608 | return 0; | |
1609 | } | |
1610 | ||
1611 | int verify_load_state(struct thread_data *td, const char *prefix) | |
1612 | { | |
ca09be4b | 1613 | struct verify_state_hdr hdr; |
c3546b53 | 1614 | void *s = NULL; |
ca09be4b JA |
1615 | uint64_t crc; |
1616 | ssize_t ret; | |
1617 | int fd; | |
1618 | ||
1619 | if (!td->o.verify_state) | |
1620 | return 0; | |
1621 | ||
1622 | fd = open_state_file(td->o.name, prefix, td->thread_number - 1, 0); | |
1623 | if (fd == -1) | |
1624 | return 1; | |
1625 | ||
1626 | ret = read(fd, &hdr, sizeof(hdr)); | |
1627 | if (ret != sizeof(hdr)) { | |
1628 | if (ret < 0) | |
1629 | td_verror(td, errno, "read verify state hdr"); | |
1630 | log_err("fio: failed reading verify state header\n"); | |
1631 | goto err; | |
1632 | } | |
1633 | ||
1634 | hdr.version = le64_to_cpu(hdr.version); | |
1635 | hdr.size = le64_to_cpu(hdr.size); | |
1636 | hdr.crc = le64_to_cpu(hdr.crc); | |
1637 | ||
94a6e1bb JA |
1638 | if (hdr.version != VSTATE_HDR_VERSION) { |
1639 | log_err("fio: unsupported (%d) version in verify state header\n", | |
1640 | (unsigned int) hdr.version); | |
ca09be4b JA |
1641 | goto err; |
1642 | } | |
1643 | ||
1644 | s = malloc(hdr.size); | |
1645 | ret = read(fd, s, hdr.size); | |
1646 | if (ret != hdr.size) { | |
1647 | if (ret < 0) | |
1648 | td_verror(td, errno, "read verify state"); | |
1649 | log_err("fio: failed reading verity state\n"); | |
1650 | goto err; | |
1651 | } | |
1652 | ||
c3546b53 | 1653 | crc = fio_crc32c(s, hdr.size); |
ca09be4b JA |
1654 | if (crc != hdr.crc) { |
1655 | log_err("fio: verify state is corrupt\n"); | |
1656 | goto err; | |
1657 | } | |
1658 | ||
1659 | close(fd); | |
1660 | ||
94a6e1bb | 1661 | verify_assign_state(td, s); |
ca09be4b JA |
1662 | return 0; |
1663 | err: | |
1664 | if (s) | |
1665 | free(s); | |
1666 | close(fd); | |
1667 | return 1; | |
1668 | } | |
1669 | ||
1670 | /* | |
1671 | * Use the loaded verify state to know when to stop doing verification | |
1672 | */ | |
1673 | int verify_state_should_stop(struct thread_data *td, struct io_u *io_u) | |
1674 | { | |
1675 | struct thread_io_list *s = td->vstate; | |
94a6e1bb | 1676 | struct fio_file *f = io_u->file; |
ca09be4b JA |
1677 | int i; |
1678 | ||
94a6e1bb | 1679 | if (!s || !f) |
ca09be4b JA |
1680 | return 0; |
1681 | ||
1682 | /* | |
def00095 JA |
1683 | * If we're not into the window of issues - depth yet, continue. If |
1684 | * issue is shorter than depth, do check. | |
ca09be4b | 1685 | */ |
def00095 JA |
1686 | if ((td->io_blocks[DDIR_READ] < s->depth || |
1687 | s->numberio - td->io_blocks[DDIR_READ] > s->depth) && | |
1688 | s->numberio > s->depth) | |
ca09be4b JA |
1689 | return 0; |
1690 | ||
1691 | /* | |
1692 | * We're in the window of having to check if this io was | |
1693 | * completed or not. If the IO was seen as completed, then | |
1694 | * lets verify it. | |
1695 | */ | |
94a6e1bb JA |
1696 | for (i = 0; i < s->no_comps; i++) { |
1697 | if (s->comps[i].fileno != f->fileno) | |
1698 | continue; | |
1699 | if (io_u->offset == s->comps[i].offset) | |
ca09be4b | 1700 | return 0; |
94a6e1bb | 1701 | } |
ca09be4b JA |
1702 | |
1703 | /* | |
1704 | * Not found, we have to stop | |
1705 | */ | |
1706 | return 1; | |
1707 | } |