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" |
e8462bd8 | 13 | #include "smalloc.h" |
0d29de83 | 14 | #include "trim.h" |
637ef8d9 | 15 | #include "lib/rand.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" |
cd14cc10 | 26 | |
7d9fb455 JA |
27 | static void populate_hdr(struct thread_data *td, struct io_u *io_u, |
28 | struct verify_header *hdr, unsigned int header_num, | |
29 | unsigned int header_len); | |
30 | ||
31 | void fill_pattern(struct thread_data *td, void *p, unsigned int len, struct io_u *io_u, unsigned long seed, int use_seed) | |
90059d65 JA |
32 | { |
33 | switch (td->o.verify_pattern_bytes) { | |
34 | case 0: | |
bd6f78b2 | 35 | dprint(FD_VERIFY, "fill random bytes len=%u\n", len); |
7d9fb455 JA |
36 | if (use_seed) |
37 | __fill_random_buf(p, len, seed); | |
38 | else | |
3545a109 | 39 | io_u->rand_seed = fill_random_buf(&td->buf_state, p, len); |
90059d65 JA |
40 | break; |
41 | case 1: | |
efda12bd JA |
42 | /* |
43 | * See below write barrier comment | |
44 | */ | |
45 | #if 0 | |
46 | read_barrier(); | |
10e8a7b3 | 47 | if (io_u->buf_filled_len >= len) { |
cbe8d756 RR |
48 | dprint(FD_VERIFY, "using already filled verify pattern b=0 len=%u\n", len); |
49 | return; | |
50 | } | |
efda12bd | 51 | #endif |
bd6f78b2 | 52 | dprint(FD_VERIFY, "fill verify pattern b=0 len=%u\n", len); |
0e92f873 | 53 | memset(p, td->o.verify_pattern[0], len); |
efda12bd JA |
54 | /* |
55 | * We need to ensure that the pattern stores are seen before | |
56 | * the fill length store, or we could observe headers that | |
57 | * aren't valid to the extent notified by the fill length | |
58 | */ | |
59 | write_barrier(); | |
cbe8d756 | 60 | io_u->buf_filled_len = len; |
90059d65 | 61 | break; |
0e92f873 RR |
62 | default: { |
63 | unsigned int i = 0, size = 0; | |
90059d65 JA |
64 | unsigned char *b = p; |
65 | ||
efda12bd JA |
66 | #if 0 |
67 | read_barrier(); | |
10e8a7b3 | 68 | if (io_u->buf_filled_len >= len) { |
cbe8d756 RR |
69 | dprint(FD_VERIFY, "using already filled verify pattern b=%d len=%u\n", |
70 | td->o.verify_pattern_bytes, len); | |
71 | return; | |
72 | } | |
efda12bd | 73 | #endif |
bd6f78b2 JA |
74 | dprint(FD_VERIFY, "fill verify pattern b=%d len=%u\n", |
75 | td->o.verify_pattern_bytes, len); | |
76 | ||
90059d65 | 77 | while (i < len) { |
0e92f873 RR |
78 | size = td->o.verify_pattern_bytes; |
79 | if (size > (len - i)) | |
80 | size = len - i; | |
81 | memcpy(b+i, td->o.verify_pattern, size); | |
82 | i += size; | |
90059d65 | 83 | } |
efda12bd | 84 | write_barrier(); |
cbe8d756 | 85 | io_u->buf_filled_len = len; |
90059d65 JA |
86 | break; |
87 | } | |
88 | } | |
89 | } | |
90 | ||
cfbcd0dc JA |
91 | static unsigned int get_hdr_inc(struct thread_data *td, struct io_u *io_u) |
92 | { | |
93 | unsigned int hdr_inc; | |
94 | ||
95 | hdr_inc = io_u->buflen; | |
96 | if (td->o.verify_interval) | |
97 | hdr_inc = td->o.verify_interval; | |
98 | ||
99 | return hdr_inc; | |
100 | } | |
101 | ||
c50ca7bd JA |
102 | static void fill_pattern_headers(struct thread_data *td, struct io_u *io_u, |
103 | unsigned long seed, int use_seed) | |
104 | { | |
105 | unsigned int hdr_inc, header_num; | |
106 | struct verify_header *hdr; | |
107 | void *p = io_u->buf; | |
108 | ||
109 | fill_pattern(td, p, io_u->buflen, io_u, seed, use_seed); | |
110 | ||
cfbcd0dc | 111 | hdr_inc = get_hdr_inc(td, io_u); |
c50ca7bd JA |
112 | header_num = 0; |
113 | for (; p < io_u->buf + io_u->buflen; p += hdr_inc) { | |
114 | hdr = p; | |
115 | populate_hdr(td, io_u, hdr, header_num, hdr_inc); | |
116 | header_num++; | |
117 | } | |
118 | } | |
119 | ||
4764aec9 | 120 | static void memswp(void *buf1, void *buf2, unsigned int len) |
546a9142 | 121 | { |
dee6de74 SL |
122 | char swap[200]; |
123 | ||
124 | assert(len <= sizeof(swap)); | |
90059d65 | 125 | |
546a9142 SL |
126 | memcpy(&swap, buf1, len); |
127 | memcpy(buf1, buf2, len); | |
128 | memcpy(buf2, &swap, len); | |
129 | } | |
130 | ||
e29d1b70 JA |
131 | static void hexdump(void *buffer, int len) |
132 | { | |
133 | unsigned char *p = buffer; | |
134 | int i; | |
135 | ||
136 | for (i = 0; i < len; i++) | |
bfacf389 JA |
137 | log_err("%02x", p[i]); |
138 | log_err("\n"); | |
e29d1b70 JA |
139 | } |
140 | ||
87677832 JA |
141 | /* |
142 | * Prepare for seperation of verify_header and checksum header | |
143 | */ | |
546dfd9f | 144 | static inline unsigned int __hdr_size(int verify_type) |
87677832 | 145 | { |
03e20d68 | 146 | unsigned int len = 0; |
87677832 | 147 | |
546dfd9f JA |
148 | switch (verify_type) { |
149 | case VERIFY_NONE: | |
150 | case VERIFY_NULL: | |
151 | len = 0; | |
152 | break; | |
153 | case VERIFY_MD5: | |
154 | len = sizeof(struct vhdr_md5); | |
155 | break; | |
156 | case VERIFY_CRC64: | |
157 | len = sizeof(struct vhdr_crc64); | |
158 | break; | |
bac39e0e | 159 | case VERIFY_CRC32C: |
546dfd9f | 160 | case VERIFY_CRC32: |
3845591f | 161 | case VERIFY_CRC32C_INTEL: |
546dfd9f JA |
162 | len = sizeof(struct vhdr_crc32); |
163 | break; | |
164 | case VERIFY_CRC16: | |
165 | len = sizeof(struct vhdr_crc16); | |
166 | break; | |
167 | case VERIFY_CRC7: | |
168 | len = sizeof(struct vhdr_crc7); | |
169 | break; | |
170 | case VERIFY_SHA256: | |
171 | len = sizeof(struct vhdr_sha256); | |
172 | break; | |
173 | case VERIFY_SHA512: | |
174 | len = sizeof(struct vhdr_sha512); | |
175 | break; | |
7437ee87 SL |
176 | case VERIFY_META: |
177 | len = sizeof(struct vhdr_meta); | |
178 | break; | |
7c353ceb JA |
179 | case VERIFY_SHA1: |
180 | len = sizeof(struct vhdr_sha1); | |
181 | break; | |
92bf48d5 JA |
182 | case VERIFY_PATTERN: |
183 | len = 0; | |
184 | break; | |
546dfd9f JA |
185 | default: |
186 | log_err("fio: unknown verify header!\n"); | |
187 | assert(0); | |
188 | } | |
189 | ||
190 | return len + sizeof(struct verify_header); | |
87677832 JA |
191 | } |
192 | ||
193 | static inline unsigned int hdr_size(struct verify_header *hdr) | |
194 | { | |
546dfd9f JA |
195 | return __hdr_size(hdr->verify_type); |
196 | } | |
197 | ||
198 | static void *hdr_priv(struct verify_header *hdr) | |
199 | { | |
200 | void *priv = hdr; | |
201 | ||
202 | return priv + sizeof(struct verify_header); | |
87677832 JA |
203 | } |
204 | ||
936216f8 JA |
205 | /* |
206 | * Verify container, pass info to verify handlers and allow them to | |
207 | * pass info back in case of error | |
208 | */ | |
209 | struct vcont { | |
210 | /* | |
211 | * Input | |
212 | */ | |
213 | struct io_u *io_u; | |
214 | unsigned int hdr_num; | |
7d9fb455 | 215 | struct thread_data *td; |
936216f8 JA |
216 | |
217 | /* | |
218 | * Output, only valid in case of error | |
219 | */ | |
bfacf389 JA |
220 | const char *name; |
221 | void *good_crc; | |
222 | void *bad_crc; | |
936216f8 JA |
223 | unsigned int crc_len; |
224 | }; | |
225 | ||
c50ca7bd JA |
226 | static void dump_buf(char *buf, unsigned int len, unsigned long long offset, |
227 | const char *type, struct fio_file *f) | |
7d9fb455 | 228 | { |
6f260b31 | 229 | char *ptr, fname[256]; |
7d9fb455 JA |
230 | int ret, fd; |
231 | ||
6f260b31 JA |
232 | ptr = strdup(f->file_name); |
233 | strcpy(fname, basename(ptr)); | |
c50ca7bd JA |
234 | |
235 | sprintf(fname + strlen(fname), ".%llu.%s", offset, type); | |
7d9fb455 JA |
236 | |
237 | fd = open(fname, O_CREAT | O_TRUNC | O_WRONLY, 0644); | |
238 | if (fd < 0) { | |
239 | perror("open verify buf file"); | |
240 | return; | |
241 | } | |
242 | ||
243 | while (len) { | |
244 | ret = write(fd, buf, len); | |
245 | if (!ret) | |
246 | break; | |
247 | else if (ret < 0) { | |
248 | perror("write verify buf file"); | |
249 | break; | |
250 | } | |
251 | len -= ret; | |
252 | buf += ret; | |
253 | } | |
254 | ||
255 | close(fd); | |
c50ca7bd | 256 | log_err(" %s data dumped as %s\n", type, fname); |
6f260b31 | 257 | free(ptr); |
7d9fb455 JA |
258 | } |
259 | ||
c50ca7bd JA |
260 | /* |
261 | * Dump the contents of the read block and re-generate the correct data | |
262 | * and dump that too. | |
263 | */ | |
7d9fb455 JA |
264 | static void dump_verify_buffers(struct verify_header *hdr, struct vcont *vc) |
265 | { | |
266 | struct thread_data *td = vc->td; | |
267 | struct io_u *io_u = vc->io_u; | |
268 | unsigned long hdr_offset; | |
7d9fb455 | 269 | struct io_u dummy; |
c50ca7bd | 270 | void *buf; |
7d9fb455 | 271 | |
0dce9bc9 SL |
272 | if (!td->o.verify_dump) |
273 | return; | |
274 | ||
c50ca7bd JA |
275 | /* |
276 | * Dump the contents we just read off disk | |
277 | */ | |
7d9fb455 JA |
278 | hdr_offset = vc->hdr_num * hdr->len; |
279 | ||
c50ca7bd JA |
280 | dump_buf(io_u->buf + hdr_offset, hdr->len, io_u->offset + hdr_offset, |
281 | "received", vc->io_u->file); | |
7d9fb455 | 282 | |
c50ca7bd JA |
283 | /* |
284 | * Allocate a new buf and re-generate the original data | |
285 | */ | |
286 | buf = malloc(io_u->buflen); | |
7d9fb455 | 287 | dummy = *io_u; |
c50ca7bd | 288 | dummy.buf = buf; |
4aae38a6 | 289 | dummy.rand_seed = hdr->rand_seed; |
cfbcd0dc | 290 | dummy.buf_filled_len = 0; |
7d9fb455 | 291 | |
c50ca7bd | 292 | fill_pattern_headers(td, &dummy, hdr->rand_seed, 1); |
7d9fb455 | 293 | |
c50ca7bd JA |
294 | dump_buf(buf + hdr_offset, hdr->len, io_u->offset + hdr_offset, |
295 | "expected", vc->io_u->file); | |
7d9fb455 JA |
296 | free(buf); |
297 | } | |
298 | ||
bfacf389 JA |
299 | static void log_verify_failure(struct verify_header *hdr, struct vcont *vc) |
300 | { | |
301 | unsigned long long offset; | |
302 | ||
303 | offset = vc->io_u->offset; | |
304 | offset += vc->hdr_num * hdr->len; | |
32c17adf JA |
305 | log_err("%.8s: verify failed at file %s offset %llu, length %u\n", |
306 | vc->name, vc->io_u->file->file_name, offset, hdr->len); | |
bfacf389 JA |
307 | |
308 | if (vc->good_crc && vc->bad_crc) { | |
309 | log_err(" Expected CRC: "); | |
310 | hexdump(vc->good_crc, vc->crc_len); | |
311 | log_err(" Received CRC: "); | |
312 | hexdump(vc->bad_crc, vc->crc_len); | |
313 | } | |
7d9fb455 JA |
314 | |
315 | dump_verify_buffers(hdr, vc); | |
bfacf389 JA |
316 | } |
317 | ||
d9f2caf3 JA |
318 | /* |
319 | * Return data area 'header_num' | |
320 | */ | |
936216f8 | 321 | static inline void *io_u_verify_off(struct verify_header *hdr, struct vcont *vc) |
d9f2caf3 | 322 | { |
936216f8 | 323 | return vc->io_u->buf + vc->hdr_num * hdr->len + hdr_size(hdr); |
d9f2caf3 JA |
324 | } |
325 | ||
92bf48d5 JA |
326 | static unsigned int hweight8(unsigned int w) |
327 | { | |
328 | unsigned int res = w - ((w >> 1) & 0x55); | |
329 | ||
330 | res = (res & 0x33) + ((res >> 2) & 0x33); | |
331 | return (res + (res >> 4)) & 0x0F; | |
332 | } | |
333 | ||
334 | static int verify_io_u_pattern(struct verify_header *hdr, struct vcont *vc) | |
335 | { | |
336 | struct thread_data *td = vc->td; | |
337 | struct io_u *io_u = vc->io_u; | |
338 | char *buf, *pattern; | |
2b13e716 | 339 | unsigned int header_size = __hdr_size(td->o.verify); |
92bf48d5 JA |
340 | unsigned int len, mod, i; |
341 | ||
342 | pattern = td->o.verify_pattern; | |
2b13e716 JA |
343 | buf = (void *) hdr + header_size; |
344 | len = get_hdr_inc(td, io_u) - header_size; | |
345 | mod = header_size % td->o.verify_pattern_bytes; | |
92bf48d5 JA |
346 | |
347 | for (i = 0; i < len; i++) { | |
348 | if (buf[i] != pattern[mod]) { | |
349 | unsigned int bits; | |
350 | ||
351 | bits = hweight8(buf[i] ^ pattern[mod]); | |
352 | log_err("fio: got pattern %x, wanted %x. Bad bits %d\n", | |
353 | buf[i], pattern[mod], bits); | |
354 | log_err("fio: bad pattern block offset %u\n", i); | |
355 | dump_verify_buffers(hdr, vc); | |
356 | return EILSEQ; | |
357 | } | |
358 | mod++; | |
359 | if (mod == td->o.verify_pattern_bytes) | |
360 | mod = 0; | |
361 | } | |
362 | ||
363 | return 0; | |
364 | } | |
365 | ||
366 | static int verify_io_u_meta(struct verify_header *hdr, struct vcont *vc) | |
7437ee87 | 367 | { |
92bf48d5 | 368 | struct thread_data *td = vc->td; |
7437ee87 | 369 | struct vhdr_meta *vh = hdr_priv(hdr); |
936216f8 | 370 | struct io_u *io_u = vc->io_u; |
92bf48d5 | 371 | int ret = EILSEQ; |
7437ee87 | 372 | |
bd6f78b2 JA |
373 | dprint(FD_VERIFY, "meta verify io_u %p, len %u\n", io_u, hdr->len); |
374 | ||
bfacf389 | 375 | if (vh->offset == io_u->offset + vc->hdr_num * td->o.verify_interval) |
92bf48d5 JA |
376 | ret = 0; |
377 | ||
378 | if (td->o.verify_pattern_bytes) | |
379 | ret |= verify_io_u_pattern(hdr, vc); | |
380 | ||
381 | if (!ret) | |
bfacf389 | 382 | return 0; |
7437ee87 | 383 | |
bfacf389 JA |
384 | vc->name = "meta"; |
385 | log_verify_failure(hdr, vc); | |
92bf48d5 | 386 | return ret; |
7437ee87 SL |
387 | } |
388 | ||
936216f8 | 389 | static int verify_io_u_sha512(struct verify_header *hdr, struct vcont *vc) |
cd14cc10 | 390 | { |
936216f8 | 391 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 392 | struct vhdr_sha512 *vh = hdr_priv(hdr); |
cd14cc10 JA |
393 | uint8_t sha512[128]; |
394 | struct sha512_ctx sha512_ctx = { | |
395 | .buf = sha512, | |
396 | }; | |
397 | ||
936216f8 | 398 | dprint(FD_VERIFY, "sha512 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 399 | |
cd14cc10 | 400 | sha512_init(&sha512_ctx); |
87677832 | 401 | sha512_update(&sha512_ctx, p, hdr->len - hdr_size(hdr)); |
cd14cc10 | 402 | |
bfacf389 JA |
403 | if (!memcmp(vh->sha512, sha512_ctx.buf, sizeof(sha512))) |
404 | return 0; | |
cd14cc10 | 405 | |
bfacf389 JA |
406 | vc->name = "sha512"; |
407 | vc->good_crc = vh->sha512; | |
408 | vc->bad_crc = sha512_ctx.buf; | |
409 | vc->crc_len = sizeof(vh->sha512); | |
410 | log_verify_failure(hdr, vc); | |
411 | return EILSEQ; | |
cd14cc10 JA |
412 | } |
413 | ||
936216f8 | 414 | static int verify_io_u_sha256(struct verify_header *hdr, struct vcont *vc) |
cd14cc10 | 415 | { |
936216f8 | 416 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 417 | struct vhdr_sha256 *vh = hdr_priv(hdr); |
bc77f56f | 418 | uint8_t sha256[64]; |
cd14cc10 JA |
419 | struct sha256_ctx sha256_ctx = { |
420 | .buf = sha256, | |
421 | }; | |
422 | ||
936216f8 | 423 | dprint(FD_VERIFY, "sha256 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 424 | |
cd14cc10 | 425 | sha256_init(&sha256_ctx); |
87677832 | 426 | sha256_update(&sha256_ctx, p, hdr->len - hdr_size(hdr)); |
cd14cc10 | 427 | |
bfacf389 JA |
428 | if (!memcmp(vh->sha256, sha256_ctx.buf, sizeof(sha256))) |
429 | return 0; | |
cd14cc10 | 430 | |
bfacf389 JA |
431 | vc->name = "sha256"; |
432 | vc->good_crc = vh->sha256; | |
433 | vc->bad_crc = sha256_ctx.buf; | |
434 | vc->crc_len = sizeof(vh->sha256); | |
435 | log_verify_failure(hdr, vc); | |
436 | return EILSEQ; | |
cd14cc10 JA |
437 | } |
438 | ||
936216f8 | 439 | static int verify_io_u_sha1(struct verify_header *hdr, struct vcont *vc) |
7c353ceb | 440 | { |
936216f8 | 441 | void *p = io_u_verify_off(hdr, vc); |
7c353ceb JA |
442 | struct vhdr_sha1 *vh = hdr_priv(hdr); |
443 | uint32_t sha1[5]; | |
444 | struct sha1_ctx sha1_ctx = { | |
445 | .H = sha1, | |
446 | }; | |
447 | ||
936216f8 | 448 | dprint(FD_VERIFY, "sha1 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
7c353ceb JA |
449 | |
450 | sha1_init(&sha1_ctx); | |
451 | sha1_update(&sha1_ctx, p, hdr->len - hdr_size(hdr)); | |
452 | ||
bfacf389 JA |
453 | if (!memcmp(vh->sha1, sha1_ctx.H, sizeof(sha1))) |
454 | return 0; | |
7c353ceb | 455 | |
bfacf389 JA |
456 | vc->name = "sha1"; |
457 | vc->good_crc = vh->sha1; | |
458 | vc->bad_crc = sha1_ctx.H; | |
459 | vc->crc_len = sizeof(vh->sha1); | |
460 | log_verify_failure(hdr, vc); | |
461 | return EILSEQ; | |
7c353ceb JA |
462 | } |
463 | ||
936216f8 | 464 | static int verify_io_u_crc7(struct verify_header *hdr, struct vcont *vc) |
1e154bdb | 465 | { |
936216f8 | 466 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 467 | struct vhdr_crc7 *vh = hdr_priv(hdr); |
1e154bdb JA |
468 | unsigned char c; |
469 | ||
936216f8 | 470 | dprint(FD_VERIFY, "crc7 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 471 | |
87677832 | 472 | c = crc7(p, hdr->len - hdr_size(hdr)); |
1e154bdb | 473 | |
bfacf389 JA |
474 | if (c == vh->crc7) |
475 | return 0; | |
1e154bdb | 476 | |
bfacf389 JA |
477 | vc->name = "crc7"; |
478 | vc->good_crc = &vh->crc7; | |
479 | vc->bad_crc = &c; | |
480 | vc->crc_len = 1; | |
481 | log_verify_failure(hdr, vc); | |
482 | return EILSEQ; | |
1e154bdb JA |
483 | } |
484 | ||
936216f8 | 485 | static int verify_io_u_crc16(struct verify_header *hdr, struct vcont *vc) |
969f7ed3 | 486 | { |
936216f8 | 487 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 488 | struct vhdr_crc16 *vh = hdr_priv(hdr); |
969f7ed3 JA |
489 | unsigned short c; |
490 | ||
936216f8 | 491 | dprint(FD_VERIFY, "crc16 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 492 | |
87677832 | 493 | c = crc16(p, hdr->len - hdr_size(hdr)); |
969f7ed3 | 494 | |
bfacf389 JA |
495 | if (c == vh->crc16) |
496 | return 0; | |
969f7ed3 | 497 | |
bfacf389 JA |
498 | vc->name = "crc16"; |
499 | vc->good_crc = &vh->crc16; | |
500 | vc->bad_crc = &c; | |
501 | vc->crc_len = 2; | |
502 | log_verify_failure(hdr, vc); | |
503 | return EILSEQ; | |
969f7ed3 JA |
504 | } |
505 | ||
936216f8 | 506 | static int verify_io_u_crc64(struct verify_header *hdr, struct vcont *vc) |
d77a7af3 | 507 | { |
936216f8 | 508 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 509 | struct vhdr_crc64 *vh = hdr_priv(hdr); |
d77a7af3 JA |
510 | unsigned long long c; |
511 | ||
936216f8 | 512 | dprint(FD_VERIFY, "crc64 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 513 | |
87677832 | 514 | c = crc64(p, hdr->len - hdr_size(hdr)); |
d77a7af3 | 515 | |
bfacf389 JA |
516 | if (c == vh->crc64) |
517 | return 0; | |
d77a7af3 | 518 | |
bfacf389 JA |
519 | vc->name = "crc64"; |
520 | vc->good_crc = &vh->crc64; | |
521 | vc->bad_crc = &c; | |
522 | vc->crc_len = 8; | |
523 | log_verify_failure(hdr, vc); | |
524 | return EILSEQ; | |
d77a7af3 JA |
525 | } |
526 | ||
936216f8 | 527 | static int verify_io_u_crc32(struct verify_header *hdr, struct vcont *vc) |
e29d1b70 | 528 | { |
936216f8 | 529 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f JA |
530 | struct vhdr_crc32 *vh = hdr_priv(hdr); |
531 | uint32_t c; | |
e29d1b70 | 532 | |
936216f8 | 533 | dprint(FD_VERIFY, "crc32 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 534 | |
87677832 | 535 | c = crc32(p, hdr->len - hdr_size(hdr)); |
e29d1b70 | 536 | |
bfacf389 JA |
537 | if (c == vh->crc32) |
538 | return 0; | |
e29d1b70 | 539 | |
bfacf389 JA |
540 | vc->name = "crc32"; |
541 | vc->good_crc = &vh->crc32; | |
542 | vc->bad_crc = &c; | |
543 | vc->crc_len = 4; | |
544 | log_verify_failure(hdr, vc); | |
545 | return EILSEQ; | |
e29d1b70 JA |
546 | } |
547 | ||
936216f8 | 548 | static int verify_io_u_crc32c(struct verify_header *hdr, struct vcont *vc) |
bac39e0e | 549 | { |
936216f8 | 550 | void *p = io_u_verify_off(hdr, vc); |
bac39e0e JA |
551 | struct vhdr_crc32 *vh = hdr_priv(hdr); |
552 | uint32_t c; | |
553 | ||
936216f8 | 554 | dprint(FD_VERIFY, "crc32c verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bac39e0e | 555 | |
3845591f JA |
556 | if (hdr->verify_type == VERIFY_CRC32C_INTEL) |
557 | c = crc32c_intel(p, hdr->len - hdr_size(hdr)); | |
558 | else | |
559 | c = crc32c(p, hdr->len - hdr_size(hdr)); | |
bac39e0e | 560 | |
bfacf389 JA |
561 | if (c == vh->crc32) |
562 | return 0; | |
bac39e0e | 563 | |
bfacf389 JA |
564 | vc->name = "crc32c"; |
565 | vc->good_crc = &vh->crc32; | |
566 | vc->bad_crc = &c; | |
567 | vc->crc_len = 4; | |
568 | log_verify_failure(hdr, vc); | |
569 | return EILSEQ; | |
bac39e0e JA |
570 | } |
571 | ||
936216f8 | 572 | static int verify_io_u_md5(struct verify_header *hdr, struct vcont *vc) |
e29d1b70 | 573 | { |
936216f8 | 574 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 575 | struct vhdr_md5 *vh = hdr_priv(hdr); |
8c432325 JA |
576 | uint32_t hash[MD5_HASH_WORDS]; |
577 | struct md5_ctx md5_ctx = { | |
578 | .hash = hash, | |
579 | }; | |
e29d1b70 | 580 | |
936216f8 | 581 | dprint(FD_VERIFY, "md5 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 582 | |
61f821f1 | 583 | md5_init(&md5_ctx); |
87677832 | 584 | md5_update(&md5_ctx, p, hdr->len - hdr_size(hdr)); |
e29d1b70 | 585 | |
bfacf389 JA |
586 | if (!memcmp(vh->md5_digest, md5_ctx.hash, sizeof(hash))) |
587 | return 0; | |
e29d1b70 | 588 | |
bfacf389 JA |
589 | vc->name = "md5"; |
590 | vc->good_crc = vh->md5_digest; | |
591 | vc->bad_crc = md5_ctx.hash; | |
592 | vc->crc_len = sizeof(hash); | |
593 | log_verify_failure(hdr, vc); | |
594 | return EILSEQ; | |
e29d1b70 JA |
595 | } |
596 | ||
e8462bd8 JA |
597 | /* |
598 | * Push IO verification to a separate thread | |
599 | */ | |
600 | int verify_io_u_async(struct thread_data *td, struct io_u *io_u) | |
601 | { | |
602 | if (io_u->file) | |
603 | put_file_log(td, io_u->file); | |
604 | ||
605 | io_u->file = NULL; | |
606 | ||
607 | pthread_mutex_lock(&td->io_u_lock); | |
0c41214f RR |
608 | |
609 | if (io_u->flags & IO_U_F_IN_CUR_DEPTH) { | |
610 | td->cur_depth--; | |
611 | io_u->flags &= ~IO_U_F_IN_CUR_DEPTH; | |
612 | } | |
e8462bd8 JA |
613 | flist_del(&io_u->list); |
614 | flist_add_tail(&io_u->list, &td->verify_list); | |
2ecc1b57 | 615 | io_u->flags |= IO_U_F_FREE_DEF; |
e8462bd8 JA |
616 | pthread_mutex_unlock(&td->io_u_lock); |
617 | ||
618 | pthread_cond_signal(&td->verify_cond); | |
e8462bd8 JA |
619 | return 0; |
620 | } | |
621 | ||
0d29de83 JA |
622 | static int verify_trimmed_io_u(struct thread_data *td, struct io_u *io_u) |
623 | { | |
624 | static char zero_buf[1024]; | |
625 | unsigned int this_len, len; | |
626 | int ret = 0; | |
627 | void *p; | |
628 | ||
629 | if (!td->o.trim_zero) | |
630 | return 0; | |
631 | ||
632 | len = io_u->buflen; | |
633 | p = io_u->buf; | |
634 | do { | |
635 | this_len = sizeof(zero_buf); | |
636 | if (this_len > len) | |
637 | this_len = len; | |
638 | if (memcmp(p, zero_buf, this_len)) { | |
639 | ret = EILSEQ; | |
640 | break; | |
641 | } | |
642 | len -= this_len; | |
643 | p += this_len; | |
644 | } while (len); | |
645 | ||
646 | if (!ret) | |
647 | return 0; | |
648 | ||
a917a8b3 JA |
649 | log_err("trim: verify failed at file %s offset %llu, length %lu" |
650 | ", block offset %lu\n", | |
651 | io_u->file->file_name, io_u->offset, io_u->buflen, | |
2f68124f | 652 | (unsigned long) (p - io_u->buf)); |
0d29de83 JA |
653 | return ret; |
654 | } | |
655 | ||
36690c9b | 656 | int verify_io_u(struct thread_data *td, struct io_u *io_u) |
e29d1b70 | 657 | { |
3f9f4e26 | 658 | struct verify_header *hdr; |
2b13e716 | 659 | unsigned int header_size, hdr_inc, hdr_num = 0; |
95646108 | 660 | void *p; |
e29d1b70 JA |
661 | int ret; |
662 | ||
1dcc0498 | 663 | if (td->o.verify == VERIFY_NULL || io_u->ddir != DDIR_READ) |
36690c9b | 664 | return 0; |
0d29de83 JA |
665 | if (io_u->flags & IO_U_F_TRIMMED) { |
666 | ret = verify_trimmed_io_u(td, io_u); | |
667 | goto done; | |
668 | } | |
36690c9b | 669 | |
cfbcd0dc | 670 | hdr_inc = get_hdr_inc(td, io_u); |
e29d1b70 | 671 | |
a12a3b4d | 672 | ret = 0; |
5ec10eaa JA |
673 | for (p = io_u->buf; p < io_u->buf + io_u->buflen; |
674 | p += hdr_inc, hdr_num++) { | |
bfacf389 JA |
675 | struct vcont vc = { |
676 | .io_u = io_u, | |
677 | .hdr_num = hdr_num, | |
7d9fb455 | 678 | .td = td, |
bfacf389 | 679 | }; |
936216f8 | 680 | |
f3e6cb95 | 681 | if (ret && td->o.verify_fatal) |
a12a3b4d | 682 | break; |
f3e6cb95 | 683 | |
2b13e716 | 684 | header_size = __hdr_size(td->o.verify); |
a59e170d | 685 | if (td->o.verify_offset) |
2b13e716 | 686 | memswp(p, p + td->o.verify_offset, header_size); |
95646108 | 687 | hdr = p; |
e29d1b70 | 688 | |
3f199b01 | 689 | if (hdr->fio_magic != FIO_HDR_MAGIC) { |
c9b44031 JA |
690 | log_err("verify: bad magic header %x, wanted %x at file %s offset %llu, length %u\n", |
691 | hdr->fio_magic, FIO_HDR_MAGIC, | |
692 | io_u->file->file_name, | |
693 | io_u->offset + hdr_num * hdr->len, hdr->len); | |
9fd18969 | 694 | return EILSEQ; |
3f199b01 JA |
695 | } |
696 | ||
3f9f4e26 SL |
697 | switch (hdr->verify_type) { |
698 | case VERIFY_MD5: | |
936216f8 | 699 | ret = verify_io_u_md5(hdr, &vc); |
3f9f4e26 SL |
700 | break; |
701 | case VERIFY_CRC64: | |
936216f8 | 702 | ret = verify_io_u_crc64(hdr, &vc); |
3f9f4e26 | 703 | break; |
bac39e0e | 704 | case VERIFY_CRC32C: |
3845591f | 705 | case VERIFY_CRC32C_INTEL: |
936216f8 | 706 | ret = verify_io_u_crc32c(hdr, &vc); |
bac39e0e | 707 | break; |
3f9f4e26 | 708 | case VERIFY_CRC32: |
936216f8 | 709 | ret = verify_io_u_crc32(hdr, &vc); |
3f9f4e26 SL |
710 | break; |
711 | case VERIFY_CRC16: | |
936216f8 | 712 | ret = verify_io_u_crc16(hdr, &vc); |
3f9f4e26 SL |
713 | break; |
714 | case VERIFY_CRC7: | |
936216f8 | 715 | ret = verify_io_u_crc7(hdr, &vc); |
3f9f4e26 | 716 | break; |
cd14cc10 | 717 | case VERIFY_SHA256: |
936216f8 | 718 | ret = verify_io_u_sha256(hdr, &vc); |
cd14cc10 JA |
719 | break; |
720 | case VERIFY_SHA512: | |
936216f8 | 721 | ret = verify_io_u_sha512(hdr, &vc); |
cd14cc10 | 722 | break; |
7437ee87 | 723 | case VERIFY_META: |
92bf48d5 | 724 | ret = verify_io_u_meta(hdr, &vc); |
7437ee87 | 725 | break; |
7c353ceb | 726 | case VERIFY_SHA1: |
936216f8 | 727 | ret = verify_io_u_sha1(hdr, &vc); |
7c353ceb | 728 | break; |
92bf48d5 JA |
729 | case VERIFY_PATTERN: |
730 | ret = verify_io_u_pattern(hdr, &vc); | |
731 | break; | |
3f9f4e26 SL |
732 | default: |
733 | log_err("Bad verify type %u\n", hdr->verify_type); | |
d16d4e09 | 734 | ret = EINVAL; |
3f9f4e26 | 735 | } |
3f9f4e26 | 736 | } |
a7dfe862 | 737 | |
0d29de83 | 738 | done: |
f3e6cb95 JA |
739 | if (ret && td->o.verify_fatal) |
740 | td->terminate = 1; | |
741 | ||
a12a3b4d | 742 | return ret; |
e29d1b70 JA |
743 | } |
744 | ||
7437ee87 | 745 | static void fill_meta(struct verify_header *hdr, struct thread_data *td, |
5ec10eaa | 746 | struct io_u *io_u, unsigned int header_num) |
7437ee87 SL |
747 | { |
748 | struct vhdr_meta *vh = hdr_priv(hdr); | |
749 | ||
750 | vh->thread = td->thread_number; | |
751 | ||
752 | vh->time_sec = io_u->start_time.tv_sec; | |
753 | vh->time_usec = io_u->start_time.tv_usec; | |
754 | ||
755 | vh->numberio = td->io_issues[DDIR_WRITE]; | |
756 | ||
757 | vh->offset = io_u->offset + header_num * td->o.verify_interval; | |
758 | } | |
759 | ||
cd14cc10 JA |
760 | static void fill_sha512(struct verify_header *hdr, void *p, unsigned int len) |
761 | { | |
546dfd9f | 762 | struct vhdr_sha512 *vh = hdr_priv(hdr); |
cd14cc10 | 763 | struct sha512_ctx sha512_ctx = { |
546dfd9f | 764 | .buf = vh->sha512, |
cd14cc10 JA |
765 | }; |
766 | ||
767 | sha512_init(&sha512_ctx); | |
768 | sha512_update(&sha512_ctx, p, len); | |
769 | } | |
770 | ||
771 | static void fill_sha256(struct verify_header *hdr, void *p, unsigned int len) | |
772 | { | |
546dfd9f | 773 | struct vhdr_sha256 *vh = hdr_priv(hdr); |
cd14cc10 | 774 | struct sha256_ctx sha256_ctx = { |
546dfd9f | 775 | .buf = vh->sha256, |
cd14cc10 JA |
776 | }; |
777 | ||
778 | sha256_init(&sha256_ctx); | |
779 | sha256_update(&sha256_ctx, p, len); | |
780 | } | |
781 | ||
7c353ceb JA |
782 | static void fill_sha1(struct verify_header *hdr, void *p, unsigned int len) |
783 | { | |
784 | struct vhdr_sha1 *vh = hdr_priv(hdr); | |
785 | struct sha1_ctx sha1_ctx = { | |
786 | .H = vh->sha1, | |
787 | }; | |
788 | ||
789 | sha1_init(&sha1_ctx); | |
790 | sha1_update(&sha1_ctx, p, len); | |
791 | } | |
792 | ||
1e154bdb JA |
793 | static void fill_crc7(struct verify_header *hdr, void *p, unsigned int len) |
794 | { | |
546dfd9f JA |
795 | struct vhdr_crc7 *vh = hdr_priv(hdr); |
796 | ||
797 | vh->crc7 = crc7(p, len); | |
1e154bdb JA |
798 | } |
799 | ||
969f7ed3 JA |
800 | static void fill_crc16(struct verify_header *hdr, void *p, unsigned int len) |
801 | { | |
546dfd9f JA |
802 | struct vhdr_crc16 *vh = hdr_priv(hdr); |
803 | ||
804 | vh->crc16 = crc16(p, len); | |
969f7ed3 JA |
805 | } |
806 | ||
e29d1b70 JA |
807 | static void fill_crc32(struct verify_header *hdr, void *p, unsigned int len) |
808 | { | |
546dfd9f JA |
809 | struct vhdr_crc32 *vh = hdr_priv(hdr); |
810 | ||
811 | vh->crc32 = crc32(p, len); | |
e29d1b70 JA |
812 | } |
813 | ||
bac39e0e JA |
814 | static void fill_crc32c(struct verify_header *hdr, void *p, unsigned int len) |
815 | { | |
816 | struct vhdr_crc32 *vh = hdr_priv(hdr); | |
817 | ||
3845591f JA |
818 | if (hdr->verify_type == VERIFY_CRC32C_INTEL) |
819 | vh->crc32 = crc32c_intel(p, len); | |
820 | else | |
821 | vh->crc32 = crc32c(p, len); | |
bac39e0e JA |
822 | } |
823 | ||
d77a7af3 JA |
824 | static void fill_crc64(struct verify_header *hdr, void *p, unsigned int len) |
825 | { | |
546dfd9f JA |
826 | struct vhdr_crc64 *vh = hdr_priv(hdr); |
827 | ||
828 | vh->crc64 = crc64(p, len); | |
d77a7af3 JA |
829 | } |
830 | ||
e29d1b70 JA |
831 | static void fill_md5(struct verify_header *hdr, void *p, unsigned int len) |
832 | { | |
546dfd9f | 833 | struct vhdr_md5 *vh = hdr_priv(hdr); |
8c432325 | 834 | struct md5_ctx md5_ctx = { |
546dfd9f | 835 | .hash = (uint32_t *) vh->md5_digest, |
8c432325 | 836 | }; |
e29d1b70 | 837 | |
61f821f1 | 838 | md5_init(&md5_ctx); |
e29d1b70 | 839 | md5_update(&md5_ctx, p, len); |
e29d1b70 JA |
840 | } |
841 | ||
7d9fb455 JA |
842 | static void populate_hdr(struct thread_data *td, struct io_u *io_u, |
843 | struct verify_header *hdr, unsigned int header_num, | |
844 | unsigned int header_len) | |
845 | { | |
846 | unsigned int data_len; | |
847 | void *data, *p; | |
848 | ||
849 | p = (void *) hdr; | |
850 | ||
851 | hdr->fio_magic = FIO_HDR_MAGIC; | |
852 | hdr->len = header_len; | |
853 | hdr->verify_type = td->o.verify; | |
854 | hdr->rand_seed = io_u->rand_seed; | |
855 | data_len = header_len - hdr_size(hdr); | |
856 | ||
857 | data = p + hdr_size(hdr); | |
858 | switch (td->o.verify) { | |
859 | case VERIFY_MD5: | |
860 | dprint(FD_VERIFY, "fill md5 io_u %p, len %u\n", | |
861 | io_u, hdr->len); | |
862 | fill_md5(hdr, data, data_len); | |
863 | break; | |
864 | case VERIFY_CRC64: | |
865 | dprint(FD_VERIFY, "fill crc64 io_u %p, len %u\n", | |
866 | io_u, hdr->len); | |
867 | fill_crc64(hdr, data, data_len); | |
868 | break; | |
869 | case VERIFY_CRC32C: | |
870 | case VERIFY_CRC32C_INTEL: | |
871 | dprint(FD_VERIFY, "fill crc32c io_u %p, len %u\n", | |
872 | io_u, hdr->len); | |
873 | fill_crc32c(hdr, data, data_len); | |
874 | break; | |
875 | case VERIFY_CRC32: | |
876 | dprint(FD_VERIFY, "fill crc32 io_u %p, len %u\n", | |
877 | io_u, hdr->len); | |
878 | fill_crc32(hdr, data, data_len); | |
879 | break; | |
880 | case VERIFY_CRC16: | |
881 | dprint(FD_VERIFY, "fill crc16 io_u %p, len %u\n", | |
882 | io_u, hdr->len); | |
883 | fill_crc16(hdr, data, data_len); | |
884 | break; | |
885 | case VERIFY_CRC7: | |
886 | dprint(FD_VERIFY, "fill crc7 io_u %p, len %u\n", | |
887 | io_u, hdr->len); | |
888 | fill_crc7(hdr, data, data_len); | |
889 | break; | |
890 | case VERIFY_SHA256: | |
891 | dprint(FD_VERIFY, "fill sha256 io_u %p, len %u\n", | |
892 | io_u, hdr->len); | |
893 | fill_sha256(hdr, data, data_len); | |
894 | break; | |
895 | case VERIFY_SHA512: | |
896 | dprint(FD_VERIFY, "fill sha512 io_u %p, len %u\n", | |
897 | io_u, hdr->len); | |
898 | fill_sha512(hdr, data, data_len); | |
899 | break; | |
900 | case VERIFY_META: | |
901 | dprint(FD_VERIFY, "fill meta io_u %p, len %u\n", | |
902 | io_u, hdr->len); | |
903 | fill_meta(hdr, td, io_u, header_num); | |
904 | break; | |
905 | case VERIFY_SHA1: | |
906 | dprint(FD_VERIFY, "fill sha1 io_u %p, len %u\n", | |
907 | io_u, hdr->len); | |
908 | fill_sha1(hdr, data, data_len); | |
909 | break; | |
92bf48d5 JA |
910 | case VERIFY_PATTERN: |
911 | /* nothing to do here */ | |
912 | break; | |
7d9fb455 JA |
913 | default: |
914 | log_err("fio: bad verify type: %d\n", td->o.verify); | |
915 | assert(0); | |
916 | } | |
917 | if (td->o.verify_offset) | |
918 | memswp(p, p + td->o.verify_offset, hdr_size(hdr)); | |
919 | } | |
920 | ||
e29d1b70 JA |
921 | /* |
922 | * fill body of io_u->buf with random data and add a header with the | |
c50ca7bd | 923 | * checksum of choice |
e29d1b70 JA |
924 | */ |
925 | void populate_verify_io_u(struct thread_data *td, struct io_u *io_u) | |
926 | { | |
9cc3d150 JA |
927 | if (td->o.verify == VERIFY_NULL) |
928 | return; | |
929 | ||
c50ca7bd | 930 | fill_pattern_headers(td, io_u, 0, 0); |
e29d1b70 JA |
931 | } |
932 | ||
933 | int get_next_verify(struct thread_data *td, struct io_u *io_u) | |
934 | { | |
8de8f047 | 935 | struct io_piece *ipo = NULL; |
e29d1b70 | 936 | |
d2d7fa53 JA |
937 | /* |
938 | * this io_u is from a requeue, we already filled the offsets | |
939 | */ | |
940 | if (io_u->file) | |
941 | return 0; | |
942 | ||
8de8f047 JA |
943 | if (!RB_EMPTY_ROOT(&td->io_hist_tree)) { |
944 | struct rb_node *n = rb_first(&td->io_hist_tree); | |
e29d1b70 | 945 | |
8de8f047 | 946 | ipo = rb_entry(n, struct io_piece, rb_node); |
4b87898e | 947 | rb_erase(n, &td->io_hist_tree); |
a917a8b3 JA |
948 | assert(ipo->flags & IP_F_ONRB); |
949 | ipo->flags &= ~IP_F_ONRB; | |
01743ee1 JA |
950 | } else if (!flist_empty(&td->io_hist_list)) { |
951 | ipo = flist_entry(td->io_hist_list.next, struct io_piece, list); | |
952 | flist_del(&ipo->list); | |
a917a8b3 JA |
953 | assert(ipo->flags & IP_F_ONLIST); |
954 | ipo->flags &= ~IP_F_ONLIST; | |
8de8f047 | 955 | } |
e29d1b70 | 956 | |
8de8f047 | 957 | if (ipo) { |
0d29de83 JA |
958 | td->io_hist_len--; |
959 | ||
e29d1b70 JA |
960 | io_u->offset = ipo->offset; |
961 | io_u->buflen = ipo->len; | |
36167d82 | 962 | io_u->file = ipo->file; |
97af62ce | 963 | |
0d29de83 JA |
964 | if (ipo->flags & IP_F_TRIMMED) |
965 | io_u->flags |= IO_U_F_TRIMMED; | |
966 | ||
d6aed795 | 967 | if (!fio_file_open(io_u->file)) { |
97af62ce JA |
968 | int r = td_io_open_file(td, io_u->file); |
969 | ||
bd6f78b2 JA |
970 | if (r) { |
971 | dprint(FD_VERIFY, "failed file %s open\n", | |
972 | io_u->file->file_name); | |
97af62ce | 973 | return 1; |
bd6f78b2 | 974 | } |
97af62ce JA |
975 | } |
976 | ||
977 | get_file(ipo->file); | |
d6aed795 | 978 | assert(fio_file_open(io_u->file)); |
e29d1b70 | 979 | io_u->ddir = DDIR_READ; |
36167d82 JA |
980 | io_u->xfer_buf = io_u->buf; |
981 | io_u->xfer_buflen = io_u->buflen; | |
0d29de83 JA |
982 | |
983 | remove_trim_entry(td, ipo); | |
e29d1b70 | 984 | free(ipo); |
bd6f78b2 | 985 | dprint(FD_VERIFY, "get_next_verify: ret io_u %p\n", io_u); |
e29d1b70 JA |
986 | return 0; |
987 | } | |
988 | ||
bd6f78b2 | 989 | dprint(FD_VERIFY, "get_next_verify: empty\n"); |
e29d1b70 JA |
990 | return 1; |
991 | } | |
e8462bd8 JA |
992 | |
993 | static void *verify_async_thread(void *data) | |
994 | { | |
995 | struct thread_data *td = data; | |
996 | struct io_u *io_u; | |
997 | int ret = 0; | |
998 | ||
999 | if (td->o.verify_cpumask_set && | |
1000 | fio_setaffinity(td->pid, td->o.verify_cpumask)) { | |
1001 | log_err("fio: failed setting verify thread affinity\n"); | |
1002 | goto done; | |
1003 | } | |
1004 | ||
1005 | do { | |
e53ab27c JA |
1006 | FLIST_HEAD(list); |
1007 | ||
e8462bd8 JA |
1008 | read_barrier(); |
1009 | if (td->verify_thread_exit) | |
1010 | break; | |
1011 | ||
1012 | pthread_mutex_lock(&td->io_u_lock); | |
1013 | ||
1014 | while (flist_empty(&td->verify_list) && | |
1015 | !td->verify_thread_exit) { | |
b36e298b JA |
1016 | ret = pthread_cond_wait(&td->verify_cond, |
1017 | &td->io_u_lock); | |
e8462bd8 JA |
1018 | if (ret) { |
1019 | pthread_mutex_unlock(&td->io_u_lock); | |
1020 | break; | |
1021 | } | |
1022 | } | |
1023 | ||
e53ab27c JA |
1024 | flist_splice_init(&td->verify_list, &list); |
1025 | pthread_mutex_unlock(&td->io_u_lock); | |
1026 | ||
1027 | if (flist_empty(&list)) | |
e8462bd8 | 1028 | continue; |
e8462bd8 | 1029 | |
e53ab27c JA |
1030 | while (!flist_empty(&list)) { |
1031 | io_u = flist_entry(list.next, struct io_u, list); | |
1032 | flist_del_init(&io_u->list); | |
e8462bd8 | 1033 | |
d561f2ab | 1034 | ret = verify_io_u(td, io_u); |
e53ab27c | 1035 | put_io_u(td, io_u); |
d561f2ab JA |
1036 | if (!ret) |
1037 | continue; | |
1038 | if (td->o.continue_on_error && | |
1039 | td_non_fatal_error(ret)) { | |
1040 | update_error_count(td, ret); | |
1041 | td_clear_error(td); | |
1042 | ret = 0; | |
1043 | } | |
e53ab27c | 1044 | } |
e8462bd8 JA |
1045 | } while (!ret); |
1046 | ||
d561f2ab JA |
1047 | if (ret) { |
1048 | td_verror(td, ret, "async_verify"); | |
f3e6cb95 JA |
1049 | if (td->o.verify_fatal) |
1050 | td->terminate = 1; | |
d561f2ab JA |
1051 | } |
1052 | ||
e8462bd8 JA |
1053 | done: |
1054 | pthread_mutex_lock(&td->io_u_lock); | |
1055 | td->nr_verify_threads--; | |
1056 | pthread_mutex_unlock(&td->io_u_lock); | |
1057 | ||
1058 | pthread_cond_signal(&td->free_cond); | |
1059 | return NULL; | |
1060 | } | |
1061 | ||
1062 | int verify_async_init(struct thread_data *td) | |
1063 | { | |
1064 | int i, ret; | |
304a47c7 VA |
1065 | pthread_attr_t attr; |
1066 | ||
1067 | pthread_attr_init(&attr); | |
1068 | pthread_attr_setstacksize(&attr, PTHREAD_STACK_MIN); | |
e8462bd8 JA |
1069 | |
1070 | td->verify_thread_exit = 0; | |
1071 | ||
1072 | td->verify_threads = malloc(sizeof(pthread_t) * td->o.verify_async); | |
1073 | for (i = 0; i < td->o.verify_async; i++) { | |
304a47c7 | 1074 | ret = pthread_create(&td->verify_threads[i], &attr, |
e8462bd8 JA |
1075 | verify_async_thread, td); |
1076 | if (ret) { | |
1077 | log_err("fio: async verify creation failed: %s\n", | |
1078 | strerror(ret)); | |
1079 | break; | |
1080 | } | |
1081 | ret = pthread_detach(td->verify_threads[i]); | |
1082 | if (ret) { | |
1083 | log_err("fio: async verify thread detach failed: %s\n", | |
1084 | strerror(ret)); | |
1085 | break; | |
1086 | } | |
1087 | td->nr_verify_threads++; | |
1088 | } | |
1089 | ||
304a47c7 VA |
1090 | pthread_attr_destroy(&attr); |
1091 | ||
e8462bd8 | 1092 | if (i != td->o.verify_async) { |
e40823b1 | 1093 | log_err("fio: only %d verify threads started, exiting\n", i); |
e8462bd8 JA |
1094 | td->verify_thread_exit = 1; |
1095 | write_barrier(); | |
1096 | pthread_cond_broadcast(&td->verify_cond); | |
1097 | return 1; | |
1098 | } | |
1099 | ||
1100 | return 0; | |
1101 | } | |
1102 | ||
1103 | void verify_async_exit(struct thread_data *td) | |
1104 | { | |
1105 | td->verify_thread_exit = 1; | |
1106 | write_barrier(); | |
1107 | pthread_cond_broadcast(&td->verify_cond); | |
1108 | ||
1109 | pthread_mutex_lock(&td->io_u_lock); | |
1110 | ||
1111 | while (td->nr_verify_threads) | |
1112 | pthread_cond_wait(&td->free_cond, &td->io_u_lock); | |
1113 | ||
1114 | pthread_mutex_unlock(&td->io_u_lock); | |
1115 | free(td->verify_threads); | |
1116 | td->verify_threads = NULL; | |
1117 | } |