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 | |
39 | io_u->rand_seed = fill_random_buf(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; | |
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 | ||
190 | static inline unsigned int hdr_size(struct verify_header *hdr) | |
191 | { | |
546dfd9f JA |
192 | return __hdr_size(hdr->verify_type); |
193 | } | |
194 | ||
195 | static void *hdr_priv(struct verify_header *hdr) | |
196 | { | |
197 | void *priv = hdr; | |
198 | ||
199 | return priv + sizeof(struct verify_header); | |
87677832 JA |
200 | } |
201 | ||
936216f8 JA |
202 | /* |
203 | * Verify container, pass info to verify handlers and allow them to | |
204 | * pass info back in case of error | |
205 | */ | |
206 | struct vcont { | |
207 | /* | |
208 | * Input | |
209 | */ | |
210 | struct io_u *io_u; | |
211 | unsigned int hdr_num; | |
7d9fb455 | 212 | struct thread_data *td; |
936216f8 JA |
213 | |
214 | /* | |
215 | * Output, only valid in case of error | |
216 | */ | |
bfacf389 JA |
217 | const char *name; |
218 | void *good_crc; | |
219 | void *bad_crc; | |
936216f8 JA |
220 | unsigned int crc_len; |
221 | }; | |
222 | ||
c50ca7bd JA |
223 | static void dump_buf(char *buf, unsigned int len, unsigned long long offset, |
224 | const char *type, struct fio_file *f) | |
7d9fb455 | 225 | { |
6f260b31 | 226 | char *ptr, fname[256]; |
7d9fb455 JA |
227 | int ret, fd; |
228 | ||
6f260b31 JA |
229 | ptr = strdup(f->file_name); |
230 | strcpy(fname, basename(ptr)); | |
c50ca7bd JA |
231 | |
232 | sprintf(fname + strlen(fname), ".%llu.%s", offset, type); | |
7d9fb455 JA |
233 | |
234 | fd = open(fname, O_CREAT | O_TRUNC | O_WRONLY, 0644); | |
235 | if (fd < 0) { | |
236 | perror("open verify buf file"); | |
237 | return; | |
238 | } | |
239 | ||
240 | while (len) { | |
241 | ret = write(fd, buf, len); | |
242 | if (!ret) | |
243 | break; | |
244 | else if (ret < 0) { | |
245 | perror("write verify buf file"); | |
246 | break; | |
247 | } | |
248 | len -= ret; | |
249 | buf += ret; | |
250 | } | |
251 | ||
252 | close(fd); | |
c50ca7bd | 253 | log_err(" %s data dumped as %s\n", type, fname); |
6f260b31 | 254 | free(ptr); |
7d9fb455 JA |
255 | } |
256 | ||
c50ca7bd JA |
257 | /* |
258 | * Dump the contents of the read block and re-generate the correct data | |
259 | * and dump that too. | |
260 | */ | |
7d9fb455 JA |
261 | static void dump_verify_buffers(struct verify_header *hdr, struct vcont *vc) |
262 | { | |
263 | struct thread_data *td = vc->td; | |
264 | struct io_u *io_u = vc->io_u; | |
265 | unsigned long hdr_offset; | |
7d9fb455 | 266 | struct io_u dummy; |
c50ca7bd | 267 | void *buf; |
7d9fb455 | 268 | |
c50ca7bd JA |
269 | /* |
270 | * Dump the contents we just read off disk | |
271 | */ | |
7d9fb455 JA |
272 | hdr_offset = vc->hdr_num * hdr->len; |
273 | ||
c50ca7bd JA |
274 | dump_buf(io_u->buf + hdr_offset, hdr->len, io_u->offset + hdr_offset, |
275 | "received", vc->io_u->file); | |
7d9fb455 | 276 | |
c50ca7bd JA |
277 | /* |
278 | * Allocate a new buf and re-generate the original data | |
279 | */ | |
280 | buf = malloc(io_u->buflen); | |
7d9fb455 | 281 | dummy = *io_u; |
c50ca7bd | 282 | dummy.buf = buf; |
4aae38a6 | 283 | dummy.rand_seed = hdr->rand_seed; |
cfbcd0dc | 284 | dummy.buf_filled_len = 0; |
7d9fb455 | 285 | |
c50ca7bd | 286 | fill_pattern_headers(td, &dummy, hdr->rand_seed, 1); |
7d9fb455 | 287 | |
c50ca7bd JA |
288 | dump_buf(buf + hdr_offset, hdr->len, io_u->offset + hdr_offset, |
289 | "expected", vc->io_u->file); | |
7d9fb455 JA |
290 | free(buf); |
291 | } | |
292 | ||
bfacf389 JA |
293 | static void log_verify_failure(struct verify_header *hdr, struct vcont *vc) |
294 | { | |
295 | unsigned long long offset; | |
296 | ||
297 | offset = vc->io_u->offset; | |
298 | offset += vc->hdr_num * hdr->len; | |
32c17adf JA |
299 | log_err("%.8s: verify failed at file %s offset %llu, length %u\n", |
300 | vc->name, vc->io_u->file->file_name, offset, hdr->len); | |
bfacf389 JA |
301 | |
302 | if (vc->good_crc && vc->bad_crc) { | |
303 | log_err(" Expected CRC: "); | |
304 | hexdump(vc->good_crc, vc->crc_len); | |
305 | log_err(" Received CRC: "); | |
306 | hexdump(vc->bad_crc, vc->crc_len); | |
307 | } | |
7d9fb455 JA |
308 | |
309 | dump_verify_buffers(hdr, vc); | |
bfacf389 JA |
310 | } |
311 | ||
d9f2caf3 JA |
312 | /* |
313 | * Return data area 'header_num' | |
314 | */ | |
936216f8 | 315 | static inline void *io_u_verify_off(struct verify_header *hdr, struct vcont *vc) |
d9f2caf3 | 316 | { |
936216f8 | 317 | return vc->io_u->buf + vc->hdr_num * hdr->len + hdr_size(hdr); |
d9f2caf3 JA |
318 | } |
319 | ||
7437ee87 | 320 | static int verify_io_u_meta(struct verify_header *hdr, struct thread_data *td, |
936216f8 | 321 | struct vcont *vc) |
7437ee87 SL |
322 | { |
323 | struct vhdr_meta *vh = hdr_priv(hdr); | |
936216f8 | 324 | struct io_u *io_u = vc->io_u; |
7437ee87 | 325 | |
bd6f78b2 JA |
326 | dprint(FD_VERIFY, "meta verify io_u %p, len %u\n", io_u, hdr->len); |
327 | ||
bfacf389 JA |
328 | if (vh->offset == io_u->offset + vc->hdr_num * td->o.verify_interval) |
329 | return 0; | |
7437ee87 | 330 | |
bfacf389 JA |
331 | vc->name = "meta"; |
332 | log_verify_failure(hdr, vc); | |
333 | return EILSEQ; | |
7437ee87 SL |
334 | } |
335 | ||
936216f8 | 336 | static int verify_io_u_sha512(struct verify_header *hdr, struct vcont *vc) |
cd14cc10 | 337 | { |
936216f8 | 338 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 339 | struct vhdr_sha512 *vh = hdr_priv(hdr); |
cd14cc10 JA |
340 | uint8_t sha512[128]; |
341 | struct sha512_ctx sha512_ctx = { | |
342 | .buf = sha512, | |
343 | }; | |
344 | ||
936216f8 | 345 | dprint(FD_VERIFY, "sha512 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 346 | |
cd14cc10 | 347 | sha512_init(&sha512_ctx); |
87677832 | 348 | sha512_update(&sha512_ctx, p, hdr->len - hdr_size(hdr)); |
cd14cc10 | 349 | |
bfacf389 JA |
350 | if (!memcmp(vh->sha512, sha512_ctx.buf, sizeof(sha512))) |
351 | return 0; | |
cd14cc10 | 352 | |
bfacf389 JA |
353 | vc->name = "sha512"; |
354 | vc->good_crc = vh->sha512; | |
355 | vc->bad_crc = sha512_ctx.buf; | |
356 | vc->crc_len = sizeof(vh->sha512); | |
357 | log_verify_failure(hdr, vc); | |
358 | return EILSEQ; | |
cd14cc10 JA |
359 | } |
360 | ||
936216f8 | 361 | static int verify_io_u_sha256(struct verify_header *hdr, struct vcont *vc) |
cd14cc10 | 362 | { |
936216f8 | 363 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 364 | struct vhdr_sha256 *vh = hdr_priv(hdr); |
bc77f56f | 365 | uint8_t sha256[64]; |
cd14cc10 JA |
366 | struct sha256_ctx sha256_ctx = { |
367 | .buf = sha256, | |
368 | }; | |
369 | ||
936216f8 | 370 | dprint(FD_VERIFY, "sha256 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 371 | |
cd14cc10 | 372 | sha256_init(&sha256_ctx); |
87677832 | 373 | sha256_update(&sha256_ctx, p, hdr->len - hdr_size(hdr)); |
cd14cc10 | 374 | |
bfacf389 JA |
375 | if (!memcmp(vh->sha256, sha256_ctx.buf, sizeof(sha256))) |
376 | return 0; | |
cd14cc10 | 377 | |
bfacf389 JA |
378 | vc->name = "sha256"; |
379 | vc->good_crc = vh->sha256; | |
380 | vc->bad_crc = sha256_ctx.buf; | |
381 | vc->crc_len = sizeof(vh->sha256); | |
382 | log_verify_failure(hdr, vc); | |
383 | return EILSEQ; | |
cd14cc10 JA |
384 | } |
385 | ||
936216f8 | 386 | static int verify_io_u_sha1(struct verify_header *hdr, struct vcont *vc) |
7c353ceb | 387 | { |
936216f8 | 388 | void *p = io_u_verify_off(hdr, vc); |
7c353ceb JA |
389 | struct vhdr_sha1 *vh = hdr_priv(hdr); |
390 | uint32_t sha1[5]; | |
391 | struct sha1_ctx sha1_ctx = { | |
392 | .H = sha1, | |
393 | }; | |
394 | ||
936216f8 | 395 | dprint(FD_VERIFY, "sha1 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
7c353ceb JA |
396 | |
397 | sha1_init(&sha1_ctx); | |
398 | sha1_update(&sha1_ctx, p, hdr->len - hdr_size(hdr)); | |
399 | ||
bfacf389 JA |
400 | if (!memcmp(vh->sha1, sha1_ctx.H, sizeof(sha1))) |
401 | return 0; | |
7c353ceb | 402 | |
bfacf389 JA |
403 | vc->name = "sha1"; |
404 | vc->good_crc = vh->sha1; | |
405 | vc->bad_crc = sha1_ctx.H; | |
406 | vc->crc_len = sizeof(vh->sha1); | |
407 | log_verify_failure(hdr, vc); | |
408 | return EILSEQ; | |
7c353ceb JA |
409 | } |
410 | ||
936216f8 | 411 | static int verify_io_u_crc7(struct verify_header *hdr, struct vcont *vc) |
1e154bdb | 412 | { |
936216f8 | 413 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 414 | struct vhdr_crc7 *vh = hdr_priv(hdr); |
1e154bdb JA |
415 | unsigned char c; |
416 | ||
936216f8 | 417 | dprint(FD_VERIFY, "crc7 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 418 | |
87677832 | 419 | c = crc7(p, hdr->len - hdr_size(hdr)); |
1e154bdb | 420 | |
bfacf389 JA |
421 | if (c == vh->crc7) |
422 | return 0; | |
1e154bdb | 423 | |
bfacf389 JA |
424 | vc->name = "crc7"; |
425 | vc->good_crc = &vh->crc7; | |
426 | vc->bad_crc = &c; | |
427 | vc->crc_len = 1; | |
428 | log_verify_failure(hdr, vc); | |
429 | return EILSEQ; | |
1e154bdb JA |
430 | } |
431 | ||
936216f8 | 432 | static int verify_io_u_crc16(struct verify_header *hdr, struct vcont *vc) |
969f7ed3 | 433 | { |
936216f8 | 434 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 435 | struct vhdr_crc16 *vh = hdr_priv(hdr); |
969f7ed3 JA |
436 | unsigned short c; |
437 | ||
936216f8 | 438 | dprint(FD_VERIFY, "crc16 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 439 | |
87677832 | 440 | c = crc16(p, hdr->len - hdr_size(hdr)); |
969f7ed3 | 441 | |
bfacf389 JA |
442 | if (c == vh->crc16) |
443 | return 0; | |
969f7ed3 | 444 | |
bfacf389 JA |
445 | vc->name = "crc16"; |
446 | vc->good_crc = &vh->crc16; | |
447 | vc->bad_crc = &c; | |
448 | vc->crc_len = 2; | |
449 | log_verify_failure(hdr, vc); | |
450 | return EILSEQ; | |
969f7ed3 JA |
451 | } |
452 | ||
936216f8 | 453 | static int verify_io_u_crc64(struct verify_header *hdr, struct vcont *vc) |
d77a7af3 | 454 | { |
936216f8 | 455 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 456 | struct vhdr_crc64 *vh = hdr_priv(hdr); |
d77a7af3 JA |
457 | unsigned long long c; |
458 | ||
936216f8 | 459 | dprint(FD_VERIFY, "crc64 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 460 | |
87677832 | 461 | c = crc64(p, hdr->len - hdr_size(hdr)); |
d77a7af3 | 462 | |
bfacf389 JA |
463 | if (c == vh->crc64) |
464 | return 0; | |
d77a7af3 | 465 | |
bfacf389 JA |
466 | vc->name = "crc64"; |
467 | vc->good_crc = &vh->crc64; | |
468 | vc->bad_crc = &c; | |
469 | vc->crc_len = 8; | |
470 | log_verify_failure(hdr, vc); | |
471 | return EILSEQ; | |
d77a7af3 JA |
472 | } |
473 | ||
936216f8 | 474 | static int verify_io_u_crc32(struct verify_header *hdr, struct vcont *vc) |
e29d1b70 | 475 | { |
936216f8 | 476 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f JA |
477 | struct vhdr_crc32 *vh = hdr_priv(hdr); |
478 | uint32_t c; | |
e29d1b70 | 479 | |
936216f8 | 480 | dprint(FD_VERIFY, "crc32 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 481 | |
87677832 | 482 | c = crc32(p, hdr->len - hdr_size(hdr)); |
e29d1b70 | 483 | |
bfacf389 JA |
484 | if (c == vh->crc32) |
485 | return 0; | |
e29d1b70 | 486 | |
bfacf389 JA |
487 | vc->name = "crc32"; |
488 | vc->good_crc = &vh->crc32; | |
489 | vc->bad_crc = &c; | |
490 | vc->crc_len = 4; | |
491 | log_verify_failure(hdr, vc); | |
492 | return EILSEQ; | |
e29d1b70 JA |
493 | } |
494 | ||
936216f8 | 495 | static int verify_io_u_crc32c(struct verify_header *hdr, struct vcont *vc) |
bac39e0e | 496 | { |
936216f8 | 497 | void *p = io_u_verify_off(hdr, vc); |
bac39e0e JA |
498 | struct vhdr_crc32 *vh = hdr_priv(hdr); |
499 | uint32_t c; | |
500 | ||
936216f8 | 501 | dprint(FD_VERIFY, "crc32c verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bac39e0e | 502 | |
3845591f JA |
503 | if (hdr->verify_type == VERIFY_CRC32C_INTEL) |
504 | c = crc32c_intel(p, hdr->len - hdr_size(hdr)); | |
505 | else | |
506 | c = crc32c(p, hdr->len - hdr_size(hdr)); | |
bac39e0e | 507 | |
bfacf389 JA |
508 | if (c == vh->crc32) |
509 | return 0; | |
bac39e0e | 510 | |
bfacf389 JA |
511 | vc->name = "crc32c"; |
512 | vc->good_crc = &vh->crc32; | |
513 | vc->bad_crc = &c; | |
514 | vc->crc_len = 4; | |
515 | log_verify_failure(hdr, vc); | |
516 | return EILSEQ; | |
bac39e0e JA |
517 | } |
518 | ||
936216f8 | 519 | static int verify_io_u_md5(struct verify_header *hdr, struct vcont *vc) |
e29d1b70 | 520 | { |
936216f8 | 521 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 522 | struct vhdr_md5 *vh = hdr_priv(hdr); |
8c432325 JA |
523 | uint32_t hash[MD5_HASH_WORDS]; |
524 | struct md5_ctx md5_ctx = { | |
525 | .hash = hash, | |
526 | }; | |
e29d1b70 | 527 | |
936216f8 | 528 | dprint(FD_VERIFY, "md5 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 529 | |
61f821f1 | 530 | md5_init(&md5_ctx); |
87677832 | 531 | md5_update(&md5_ctx, p, hdr->len - hdr_size(hdr)); |
e29d1b70 | 532 | |
bfacf389 JA |
533 | if (!memcmp(vh->md5_digest, md5_ctx.hash, sizeof(hash))) |
534 | return 0; | |
e29d1b70 | 535 | |
bfacf389 JA |
536 | vc->name = "md5"; |
537 | vc->good_crc = vh->md5_digest; | |
538 | vc->bad_crc = md5_ctx.hash; | |
539 | vc->crc_len = sizeof(hash); | |
540 | log_verify_failure(hdr, vc); | |
541 | return EILSEQ; | |
e29d1b70 JA |
542 | } |
543 | ||
3f199b01 JA |
544 | static unsigned int hweight8(unsigned int w) |
545 | { | |
546 | unsigned int res = w - ((w >> 1) & 0x55); | |
547 | ||
548 | res = (res & 0x33) + ((res >> 2) & 0x33); | |
549 | return (res + (res >> 4)) & 0x0F; | |
550 | } | |
551 | ||
cfbcd0dc | 552 | int verify_io_u_pattern(struct verify_header *hdr, struct vcont *vc) |
a944e335 | 553 | { |
cfbcd0dc JA |
554 | struct thread_data *td = vc->td; |
555 | struct io_u *io_u = vc->io_u; | |
c7e6ae4e | 556 | char *buf, *pattern; |
cfbcd0dc | 557 | unsigned int hdr_size = __hdr_size(td->o.verify); |
c7e6ae4e JA |
558 | unsigned int len, mod, i; |
559 | ||
560 | pattern = td->o.verify_pattern; | |
561 | buf = (void *) hdr + hdr_size; | |
562 | len = get_hdr_inc(td, io_u) - hdr_size; | |
563 | mod = hdr_size % td->o.verify_pattern_bytes; | |
a944e335 SL |
564 | |
565 | for (i = 0; i < len; i++) { | |
0e92f873 | 566 | if (buf[i] != pattern[mod]) { |
3f199b01 JA |
567 | unsigned int bits; |
568 | ||
0e92f873 | 569 | bits = hweight8(buf[i] ^ pattern[mod]); |
3f199b01 | 570 | log_err("fio: got pattern %x, wanted %x. Bad bits %d\n", |
0e92f873 | 571 | buf[i], pattern[mod], bits); |
3f199b01 | 572 | log_err("fio: bad pattern block offset %u\n", i); |
cfbcd0dc | 573 | dump_verify_buffers(hdr, vc); |
9fd18969 | 574 | return EILSEQ; |
3f199b01 | 575 | } |
a944e335 | 576 | mod++; |
c7e6ae4e | 577 | if (mod == td->o.verify_pattern_bytes) |
a944e335 SL |
578 | mod = 0; |
579 | } | |
580 | ||
581 | return 0; | |
582 | } | |
583 | ||
e8462bd8 JA |
584 | /* |
585 | * Push IO verification to a separate thread | |
586 | */ | |
587 | int verify_io_u_async(struct thread_data *td, struct io_u *io_u) | |
588 | { | |
589 | if (io_u->file) | |
590 | put_file_log(td, io_u->file); | |
591 | ||
592 | io_u->file = NULL; | |
593 | ||
594 | pthread_mutex_lock(&td->io_u_lock); | |
0c41214f RR |
595 | |
596 | if (io_u->flags & IO_U_F_IN_CUR_DEPTH) { | |
597 | td->cur_depth--; | |
598 | io_u->flags &= ~IO_U_F_IN_CUR_DEPTH; | |
599 | } | |
e8462bd8 JA |
600 | flist_del(&io_u->list); |
601 | flist_add_tail(&io_u->list, &td->verify_list); | |
2ecc1b57 | 602 | io_u->flags |= IO_U_F_FREE_DEF; |
e8462bd8 JA |
603 | pthread_mutex_unlock(&td->io_u_lock); |
604 | ||
605 | pthread_cond_signal(&td->verify_cond); | |
e8462bd8 JA |
606 | return 0; |
607 | } | |
608 | ||
0d29de83 JA |
609 | static int verify_trimmed_io_u(struct thread_data *td, struct io_u *io_u) |
610 | { | |
611 | static char zero_buf[1024]; | |
612 | unsigned int this_len, len; | |
613 | int ret = 0; | |
614 | void *p; | |
615 | ||
616 | if (!td->o.trim_zero) | |
617 | return 0; | |
618 | ||
619 | len = io_u->buflen; | |
620 | p = io_u->buf; | |
621 | do { | |
622 | this_len = sizeof(zero_buf); | |
623 | if (this_len > len) | |
624 | this_len = len; | |
625 | if (memcmp(p, zero_buf, this_len)) { | |
626 | ret = EILSEQ; | |
627 | break; | |
628 | } | |
629 | len -= this_len; | |
630 | p += this_len; | |
631 | } while (len); | |
632 | ||
633 | if (!ret) | |
634 | return 0; | |
635 | ||
a917a8b3 JA |
636 | log_err("trim: verify failed at file %s offset %llu, length %lu" |
637 | ", block offset %lu\n", | |
638 | io_u->file->file_name, io_u->offset, io_u->buflen, | |
2f68124f | 639 | (unsigned long) (p - io_u->buf)); |
0d29de83 JA |
640 | return ret; |
641 | } | |
642 | ||
36690c9b | 643 | int verify_io_u(struct thread_data *td, struct io_u *io_u) |
e29d1b70 | 644 | { |
3f9f4e26 | 645 | struct verify_header *hdr; |
a944e335 | 646 | unsigned int hdr_size, hdr_inc, hdr_num = 0; |
95646108 | 647 | void *p; |
e29d1b70 JA |
648 | int ret; |
649 | ||
1dcc0498 | 650 | if (td->o.verify == VERIFY_NULL || io_u->ddir != DDIR_READ) |
36690c9b | 651 | return 0; |
0d29de83 JA |
652 | if (io_u->flags & IO_U_F_TRIMMED) { |
653 | ret = verify_trimmed_io_u(td, io_u); | |
654 | goto done; | |
655 | } | |
36690c9b | 656 | |
cfbcd0dc | 657 | hdr_inc = get_hdr_inc(td, io_u); |
e29d1b70 | 658 | |
a12a3b4d | 659 | ret = 0; |
5ec10eaa JA |
660 | for (p = io_u->buf; p < io_u->buf + io_u->buflen; |
661 | p += hdr_inc, hdr_num++) { | |
bfacf389 JA |
662 | struct vcont vc = { |
663 | .io_u = io_u, | |
664 | .hdr_num = hdr_num, | |
7d9fb455 | 665 | .td = td, |
bfacf389 | 666 | }; |
936216f8 | 667 | |
f3e6cb95 | 668 | if (ret && td->o.verify_fatal) |
a12a3b4d | 669 | break; |
f3e6cb95 | 670 | |
a944e335 | 671 | hdr_size = __hdr_size(td->o.verify); |
a59e170d | 672 | if (td->o.verify_offset) |
a944e335 | 673 | memswp(p, p + td->o.verify_offset, hdr_size); |
95646108 | 674 | hdr = p; |
e29d1b70 | 675 | |
3f199b01 | 676 | if (hdr->fio_magic != FIO_HDR_MAGIC) { |
c9b44031 JA |
677 | log_err("verify: bad magic header %x, wanted %x at file %s offset %llu, length %u\n", |
678 | hdr->fio_magic, FIO_HDR_MAGIC, | |
679 | io_u->file->file_name, | |
680 | io_u->offset + hdr_num * hdr->len, hdr->len); | |
9fd18969 | 681 | return EILSEQ; |
3f199b01 JA |
682 | } |
683 | ||
e28218f3 | 684 | if (td->o.verify_pattern_bytes) { |
bd6f78b2 JA |
685 | dprint(FD_VERIFY, "pattern verify io_u %p, len %u\n", |
686 | io_u, hdr->len); | |
cfbcd0dc | 687 | ret = verify_io_u_pattern(hdr, &vc); |
c9b44031 JA |
688 | if (ret) { |
689 | log_err("pattern: verify failed at file %s offset %llu, length %u\n", | |
690 | io_u->file->file_name, | |
691 | io_u->offset + hdr_num * hdr->len, | |
692 | hdr->len); | |
693 | } | |
694 | ||
e92d3d71 RR |
695 | /* |
696 | * Also verify the meta data, if applicable | |
697 | */ | |
698 | if (hdr->verify_type == VERIFY_META) | |
936216f8 | 699 | ret |= verify_io_u_meta(hdr, td, &vc); |
e28218f3 SL |
700 | continue; |
701 | } | |
702 | ||
3f9f4e26 SL |
703 | switch (hdr->verify_type) { |
704 | case VERIFY_MD5: | |
936216f8 | 705 | ret = verify_io_u_md5(hdr, &vc); |
3f9f4e26 SL |
706 | break; |
707 | case VERIFY_CRC64: | |
936216f8 | 708 | ret = verify_io_u_crc64(hdr, &vc); |
3f9f4e26 | 709 | break; |
bac39e0e | 710 | case VERIFY_CRC32C: |
3845591f | 711 | case VERIFY_CRC32C_INTEL: |
936216f8 | 712 | ret = verify_io_u_crc32c(hdr, &vc); |
bac39e0e | 713 | break; |
3f9f4e26 | 714 | case VERIFY_CRC32: |
936216f8 | 715 | ret = verify_io_u_crc32(hdr, &vc); |
3f9f4e26 SL |
716 | break; |
717 | case VERIFY_CRC16: | |
936216f8 | 718 | ret = verify_io_u_crc16(hdr, &vc); |
3f9f4e26 SL |
719 | break; |
720 | case VERIFY_CRC7: | |
936216f8 | 721 | ret = verify_io_u_crc7(hdr, &vc); |
3f9f4e26 | 722 | break; |
cd14cc10 | 723 | case VERIFY_SHA256: |
936216f8 | 724 | ret = verify_io_u_sha256(hdr, &vc); |
cd14cc10 JA |
725 | break; |
726 | case VERIFY_SHA512: | |
936216f8 | 727 | ret = verify_io_u_sha512(hdr, &vc); |
cd14cc10 | 728 | break; |
7437ee87 | 729 | case VERIFY_META: |
936216f8 | 730 | ret = verify_io_u_meta(hdr, td, &vc); |
7437ee87 | 731 | break; |
7c353ceb | 732 | case VERIFY_SHA1: |
936216f8 | 733 | ret = verify_io_u_sha1(hdr, &vc); |
7c353ceb | 734 | break; |
3f9f4e26 SL |
735 | default: |
736 | log_err("Bad verify type %u\n", hdr->verify_type); | |
d16d4e09 | 737 | ret = EINVAL; |
3f9f4e26 | 738 | } |
3f9f4e26 | 739 | } |
a7dfe862 | 740 | |
0d29de83 | 741 | done: |
f3e6cb95 JA |
742 | if (ret && td->o.verify_fatal) |
743 | td->terminate = 1; | |
744 | ||
a12a3b4d | 745 | return ret; |
e29d1b70 JA |
746 | } |
747 | ||
7437ee87 | 748 | static void fill_meta(struct verify_header *hdr, struct thread_data *td, |
5ec10eaa | 749 | struct io_u *io_u, unsigned int header_num) |
7437ee87 SL |
750 | { |
751 | struct vhdr_meta *vh = hdr_priv(hdr); | |
752 | ||
753 | vh->thread = td->thread_number; | |
754 | ||
755 | vh->time_sec = io_u->start_time.tv_sec; | |
756 | vh->time_usec = io_u->start_time.tv_usec; | |
757 | ||
758 | vh->numberio = td->io_issues[DDIR_WRITE]; | |
759 | ||
760 | vh->offset = io_u->offset + header_num * td->o.verify_interval; | |
761 | } | |
762 | ||
cd14cc10 JA |
763 | static void fill_sha512(struct verify_header *hdr, void *p, unsigned int len) |
764 | { | |
546dfd9f | 765 | struct vhdr_sha512 *vh = hdr_priv(hdr); |
cd14cc10 | 766 | struct sha512_ctx sha512_ctx = { |
546dfd9f | 767 | .buf = vh->sha512, |
cd14cc10 JA |
768 | }; |
769 | ||
770 | sha512_init(&sha512_ctx); | |
771 | sha512_update(&sha512_ctx, p, len); | |
772 | } | |
773 | ||
774 | static void fill_sha256(struct verify_header *hdr, void *p, unsigned int len) | |
775 | { | |
546dfd9f | 776 | struct vhdr_sha256 *vh = hdr_priv(hdr); |
cd14cc10 | 777 | struct sha256_ctx sha256_ctx = { |
546dfd9f | 778 | .buf = vh->sha256, |
cd14cc10 JA |
779 | }; |
780 | ||
781 | sha256_init(&sha256_ctx); | |
782 | sha256_update(&sha256_ctx, p, len); | |
783 | } | |
784 | ||
7c353ceb JA |
785 | static void fill_sha1(struct verify_header *hdr, void *p, unsigned int len) |
786 | { | |
787 | struct vhdr_sha1 *vh = hdr_priv(hdr); | |
788 | struct sha1_ctx sha1_ctx = { | |
789 | .H = vh->sha1, | |
790 | }; | |
791 | ||
792 | sha1_init(&sha1_ctx); | |
793 | sha1_update(&sha1_ctx, p, len); | |
794 | } | |
795 | ||
1e154bdb JA |
796 | static void fill_crc7(struct verify_header *hdr, void *p, unsigned int len) |
797 | { | |
546dfd9f JA |
798 | struct vhdr_crc7 *vh = hdr_priv(hdr); |
799 | ||
800 | vh->crc7 = crc7(p, len); | |
1e154bdb JA |
801 | } |
802 | ||
969f7ed3 JA |
803 | static void fill_crc16(struct verify_header *hdr, void *p, unsigned int len) |
804 | { | |
546dfd9f JA |
805 | struct vhdr_crc16 *vh = hdr_priv(hdr); |
806 | ||
807 | vh->crc16 = crc16(p, len); | |
969f7ed3 JA |
808 | } |
809 | ||
e29d1b70 JA |
810 | static void fill_crc32(struct verify_header *hdr, void *p, unsigned int len) |
811 | { | |
546dfd9f JA |
812 | struct vhdr_crc32 *vh = hdr_priv(hdr); |
813 | ||
814 | vh->crc32 = crc32(p, len); | |
e29d1b70 JA |
815 | } |
816 | ||
bac39e0e JA |
817 | static void fill_crc32c(struct verify_header *hdr, void *p, unsigned int len) |
818 | { | |
819 | struct vhdr_crc32 *vh = hdr_priv(hdr); | |
820 | ||
3845591f JA |
821 | if (hdr->verify_type == VERIFY_CRC32C_INTEL) |
822 | vh->crc32 = crc32c_intel(p, len); | |
823 | else | |
824 | vh->crc32 = crc32c(p, len); | |
bac39e0e JA |
825 | } |
826 | ||
d77a7af3 JA |
827 | static void fill_crc64(struct verify_header *hdr, void *p, unsigned int len) |
828 | { | |
546dfd9f JA |
829 | struct vhdr_crc64 *vh = hdr_priv(hdr); |
830 | ||
831 | vh->crc64 = crc64(p, len); | |
d77a7af3 JA |
832 | } |
833 | ||
e29d1b70 JA |
834 | static void fill_md5(struct verify_header *hdr, void *p, unsigned int len) |
835 | { | |
546dfd9f | 836 | struct vhdr_md5 *vh = hdr_priv(hdr); |
8c432325 | 837 | struct md5_ctx md5_ctx = { |
546dfd9f | 838 | .hash = (uint32_t *) vh->md5_digest, |
8c432325 | 839 | }; |
e29d1b70 | 840 | |
61f821f1 | 841 | md5_init(&md5_ctx); |
e29d1b70 | 842 | md5_update(&md5_ctx, p, len); |
e29d1b70 JA |
843 | } |
844 | ||
7d9fb455 JA |
845 | static void populate_hdr(struct thread_data *td, struct io_u *io_u, |
846 | struct verify_header *hdr, unsigned int header_num, | |
847 | unsigned int header_len) | |
848 | { | |
849 | unsigned int data_len; | |
850 | void *data, *p; | |
851 | ||
852 | p = (void *) hdr; | |
853 | ||
854 | hdr->fio_magic = FIO_HDR_MAGIC; | |
855 | hdr->len = header_len; | |
856 | hdr->verify_type = td->o.verify; | |
857 | hdr->rand_seed = io_u->rand_seed; | |
858 | data_len = header_len - hdr_size(hdr); | |
859 | ||
860 | data = p + hdr_size(hdr); | |
861 | switch (td->o.verify) { | |
862 | case VERIFY_MD5: | |
863 | dprint(FD_VERIFY, "fill md5 io_u %p, len %u\n", | |
864 | io_u, hdr->len); | |
865 | fill_md5(hdr, data, data_len); | |
866 | break; | |
867 | case VERIFY_CRC64: | |
868 | dprint(FD_VERIFY, "fill crc64 io_u %p, len %u\n", | |
869 | io_u, hdr->len); | |
870 | fill_crc64(hdr, data, data_len); | |
871 | break; | |
872 | case VERIFY_CRC32C: | |
873 | case VERIFY_CRC32C_INTEL: | |
874 | dprint(FD_VERIFY, "fill crc32c io_u %p, len %u\n", | |
875 | io_u, hdr->len); | |
876 | fill_crc32c(hdr, data, data_len); | |
877 | break; | |
878 | case VERIFY_CRC32: | |
879 | dprint(FD_VERIFY, "fill crc32 io_u %p, len %u\n", | |
880 | io_u, hdr->len); | |
881 | fill_crc32(hdr, data, data_len); | |
882 | break; | |
883 | case VERIFY_CRC16: | |
884 | dprint(FD_VERIFY, "fill crc16 io_u %p, len %u\n", | |
885 | io_u, hdr->len); | |
886 | fill_crc16(hdr, data, data_len); | |
887 | break; | |
888 | case VERIFY_CRC7: | |
889 | dprint(FD_VERIFY, "fill crc7 io_u %p, len %u\n", | |
890 | io_u, hdr->len); | |
891 | fill_crc7(hdr, data, data_len); | |
892 | break; | |
893 | case VERIFY_SHA256: | |
894 | dprint(FD_VERIFY, "fill sha256 io_u %p, len %u\n", | |
895 | io_u, hdr->len); | |
896 | fill_sha256(hdr, data, data_len); | |
897 | break; | |
898 | case VERIFY_SHA512: | |
899 | dprint(FD_VERIFY, "fill sha512 io_u %p, len %u\n", | |
900 | io_u, hdr->len); | |
901 | fill_sha512(hdr, data, data_len); | |
902 | break; | |
903 | case VERIFY_META: | |
904 | dprint(FD_VERIFY, "fill meta io_u %p, len %u\n", | |
905 | io_u, hdr->len); | |
906 | fill_meta(hdr, td, io_u, header_num); | |
907 | break; | |
908 | case VERIFY_SHA1: | |
909 | dprint(FD_VERIFY, "fill sha1 io_u %p, len %u\n", | |
910 | io_u, hdr->len); | |
911 | fill_sha1(hdr, data, data_len); | |
912 | break; | |
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 | } |