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: | |
10e8a7b3 | 42 | if (io_u->buf_filled_len >= len) { |
cbe8d756 RR |
43 | dprint(FD_VERIFY, "using already filled verify pattern b=0 len=%u\n", len); |
44 | return; | |
45 | } | |
bd6f78b2 | 46 | dprint(FD_VERIFY, "fill verify pattern b=0 len=%u\n", len); |
0e92f873 | 47 | memset(p, td->o.verify_pattern[0], len); |
cbe8d756 | 48 | io_u->buf_filled_len = len; |
90059d65 | 49 | break; |
0e92f873 RR |
50 | default: { |
51 | unsigned int i = 0, size = 0; | |
90059d65 JA |
52 | unsigned char *b = p; |
53 | ||
10e8a7b3 | 54 | if (io_u->buf_filled_len >= len) { |
cbe8d756 RR |
55 | dprint(FD_VERIFY, "using already filled verify pattern b=%d len=%u\n", |
56 | td->o.verify_pattern_bytes, len); | |
57 | return; | |
58 | } | |
81f0366c | 59 | |
bd6f78b2 JA |
60 | dprint(FD_VERIFY, "fill verify pattern b=%d len=%u\n", |
61 | td->o.verify_pattern_bytes, len); | |
62 | ||
90059d65 | 63 | while (i < len) { |
0e92f873 RR |
64 | size = td->o.verify_pattern_bytes; |
65 | if (size > (len - i)) | |
66 | size = len - i; | |
67 | memcpy(b+i, td->o.verify_pattern, size); | |
68 | i += size; | |
90059d65 | 69 | } |
cbe8d756 | 70 | io_u->buf_filled_len = len; |
90059d65 JA |
71 | break; |
72 | } | |
73 | } | |
74 | } | |
75 | ||
cfbcd0dc JA |
76 | static unsigned int get_hdr_inc(struct thread_data *td, struct io_u *io_u) |
77 | { | |
78 | unsigned int hdr_inc; | |
79 | ||
80 | hdr_inc = io_u->buflen; | |
81 | if (td->o.verify_interval) | |
82 | hdr_inc = td->o.verify_interval; | |
83 | ||
84 | return hdr_inc; | |
85 | } | |
86 | ||
c50ca7bd JA |
87 | static void fill_pattern_headers(struct thread_data *td, struct io_u *io_u, |
88 | unsigned long seed, int use_seed) | |
89 | { | |
90 | unsigned int hdr_inc, header_num; | |
91 | struct verify_header *hdr; | |
92 | void *p = io_u->buf; | |
93 | ||
94 | fill_pattern(td, p, io_u->buflen, io_u, seed, use_seed); | |
95 | ||
cfbcd0dc | 96 | hdr_inc = get_hdr_inc(td, io_u); |
c50ca7bd JA |
97 | header_num = 0; |
98 | for (; p < io_u->buf + io_u->buflen; p += hdr_inc) { | |
99 | hdr = p; | |
100 | populate_hdr(td, io_u, hdr, header_num, hdr_inc); | |
101 | header_num++; | |
102 | } | |
103 | } | |
104 | ||
4764aec9 | 105 | static void memswp(void *buf1, void *buf2, unsigned int len) |
546a9142 | 106 | { |
dee6de74 SL |
107 | char swap[200]; |
108 | ||
109 | assert(len <= sizeof(swap)); | |
90059d65 | 110 | |
546a9142 SL |
111 | memcpy(&swap, buf1, len); |
112 | memcpy(buf1, buf2, len); | |
113 | memcpy(buf2, &swap, len); | |
114 | } | |
115 | ||
e29d1b70 JA |
116 | static void hexdump(void *buffer, int len) |
117 | { | |
118 | unsigned char *p = buffer; | |
119 | int i; | |
120 | ||
121 | for (i = 0; i < len; i++) | |
bfacf389 JA |
122 | log_err("%02x", p[i]); |
123 | log_err("\n"); | |
e29d1b70 JA |
124 | } |
125 | ||
87677832 JA |
126 | /* |
127 | * Prepare for seperation of verify_header and checksum header | |
128 | */ | |
546dfd9f | 129 | static inline unsigned int __hdr_size(int verify_type) |
87677832 | 130 | { |
03e20d68 | 131 | unsigned int len = 0; |
87677832 | 132 | |
546dfd9f JA |
133 | switch (verify_type) { |
134 | case VERIFY_NONE: | |
135 | case VERIFY_NULL: | |
136 | len = 0; | |
137 | break; | |
138 | case VERIFY_MD5: | |
139 | len = sizeof(struct vhdr_md5); | |
140 | break; | |
141 | case VERIFY_CRC64: | |
142 | len = sizeof(struct vhdr_crc64); | |
143 | break; | |
bac39e0e | 144 | case VERIFY_CRC32C: |
546dfd9f | 145 | case VERIFY_CRC32: |
3845591f | 146 | case VERIFY_CRC32C_INTEL: |
546dfd9f JA |
147 | len = sizeof(struct vhdr_crc32); |
148 | break; | |
149 | case VERIFY_CRC16: | |
150 | len = sizeof(struct vhdr_crc16); | |
151 | break; | |
152 | case VERIFY_CRC7: | |
153 | len = sizeof(struct vhdr_crc7); | |
154 | break; | |
155 | case VERIFY_SHA256: | |
156 | len = sizeof(struct vhdr_sha256); | |
157 | break; | |
158 | case VERIFY_SHA512: | |
159 | len = sizeof(struct vhdr_sha512); | |
160 | break; | |
7437ee87 SL |
161 | case VERIFY_META: |
162 | len = sizeof(struct vhdr_meta); | |
163 | break; | |
7c353ceb JA |
164 | case VERIFY_SHA1: |
165 | len = sizeof(struct vhdr_sha1); | |
166 | break; | |
92bf48d5 JA |
167 | case VERIFY_PATTERN: |
168 | len = 0; | |
169 | break; | |
546dfd9f JA |
170 | default: |
171 | log_err("fio: unknown verify header!\n"); | |
172 | assert(0); | |
173 | } | |
174 | ||
175 | return len + sizeof(struct verify_header); | |
87677832 JA |
176 | } |
177 | ||
178 | static inline unsigned int hdr_size(struct verify_header *hdr) | |
179 | { | |
546dfd9f JA |
180 | return __hdr_size(hdr->verify_type); |
181 | } | |
182 | ||
183 | static void *hdr_priv(struct verify_header *hdr) | |
184 | { | |
185 | void *priv = hdr; | |
186 | ||
187 | return priv + sizeof(struct verify_header); | |
87677832 JA |
188 | } |
189 | ||
936216f8 JA |
190 | /* |
191 | * Verify container, pass info to verify handlers and allow them to | |
192 | * pass info back in case of error | |
193 | */ | |
194 | struct vcont { | |
195 | /* | |
196 | * Input | |
197 | */ | |
198 | struct io_u *io_u; | |
199 | unsigned int hdr_num; | |
7d9fb455 | 200 | struct thread_data *td; |
936216f8 JA |
201 | |
202 | /* | |
203 | * Output, only valid in case of error | |
204 | */ | |
bfacf389 JA |
205 | const char *name; |
206 | void *good_crc; | |
207 | void *bad_crc; | |
936216f8 JA |
208 | unsigned int crc_len; |
209 | }; | |
210 | ||
c50ca7bd JA |
211 | static void dump_buf(char *buf, unsigned int len, unsigned long long offset, |
212 | const char *type, struct fio_file *f) | |
7d9fb455 | 213 | { |
6f260b31 | 214 | char *ptr, fname[256]; |
7d9fb455 JA |
215 | int ret, fd; |
216 | ||
6f260b31 JA |
217 | ptr = strdup(f->file_name); |
218 | strcpy(fname, basename(ptr)); | |
c50ca7bd JA |
219 | |
220 | sprintf(fname + strlen(fname), ".%llu.%s", offset, type); | |
7d9fb455 JA |
221 | |
222 | fd = open(fname, O_CREAT | O_TRUNC | O_WRONLY, 0644); | |
223 | if (fd < 0) { | |
224 | perror("open verify buf file"); | |
225 | return; | |
226 | } | |
227 | ||
228 | while (len) { | |
229 | ret = write(fd, buf, len); | |
230 | if (!ret) | |
231 | break; | |
232 | else if (ret < 0) { | |
233 | perror("write verify buf file"); | |
234 | break; | |
235 | } | |
236 | len -= ret; | |
237 | buf += ret; | |
238 | } | |
239 | ||
240 | close(fd); | |
c50ca7bd | 241 | log_err(" %s data dumped as %s\n", type, fname); |
6f260b31 | 242 | free(ptr); |
7d9fb455 JA |
243 | } |
244 | ||
c50ca7bd JA |
245 | /* |
246 | * Dump the contents of the read block and re-generate the correct data | |
247 | * and dump that too. | |
248 | */ | |
7d9fb455 JA |
249 | static void dump_verify_buffers(struct verify_header *hdr, struct vcont *vc) |
250 | { | |
251 | struct thread_data *td = vc->td; | |
252 | struct io_u *io_u = vc->io_u; | |
253 | unsigned long hdr_offset; | |
7d9fb455 | 254 | struct io_u dummy; |
c50ca7bd | 255 | void *buf; |
7d9fb455 | 256 | |
0dce9bc9 SL |
257 | if (!td->o.verify_dump) |
258 | return; | |
259 | ||
c50ca7bd JA |
260 | /* |
261 | * Dump the contents we just read off disk | |
262 | */ | |
7d9fb455 JA |
263 | hdr_offset = vc->hdr_num * hdr->len; |
264 | ||
c50ca7bd JA |
265 | dump_buf(io_u->buf + hdr_offset, hdr->len, io_u->offset + hdr_offset, |
266 | "received", vc->io_u->file); | |
7d9fb455 | 267 | |
c50ca7bd JA |
268 | /* |
269 | * Allocate a new buf and re-generate the original data | |
270 | */ | |
271 | buf = malloc(io_u->buflen); | |
7d9fb455 | 272 | dummy = *io_u; |
c50ca7bd | 273 | dummy.buf = buf; |
4aae38a6 | 274 | dummy.rand_seed = hdr->rand_seed; |
cfbcd0dc | 275 | dummy.buf_filled_len = 0; |
7d9fb455 | 276 | |
c50ca7bd | 277 | fill_pattern_headers(td, &dummy, hdr->rand_seed, 1); |
7d9fb455 | 278 | |
c50ca7bd JA |
279 | dump_buf(buf + hdr_offset, hdr->len, io_u->offset + hdr_offset, |
280 | "expected", vc->io_u->file); | |
7d9fb455 JA |
281 | free(buf); |
282 | } | |
283 | ||
bfacf389 JA |
284 | static void log_verify_failure(struct verify_header *hdr, struct vcont *vc) |
285 | { | |
286 | unsigned long long offset; | |
287 | ||
288 | offset = vc->io_u->offset; | |
289 | offset += vc->hdr_num * hdr->len; | |
32c17adf JA |
290 | log_err("%.8s: verify failed at file %s offset %llu, length %u\n", |
291 | vc->name, vc->io_u->file->file_name, offset, hdr->len); | |
bfacf389 JA |
292 | |
293 | if (vc->good_crc && vc->bad_crc) { | |
294 | log_err(" Expected CRC: "); | |
295 | hexdump(vc->good_crc, vc->crc_len); | |
296 | log_err(" Received CRC: "); | |
297 | hexdump(vc->bad_crc, vc->crc_len); | |
298 | } | |
7d9fb455 JA |
299 | |
300 | dump_verify_buffers(hdr, vc); | |
bfacf389 JA |
301 | } |
302 | ||
d9f2caf3 JA |
303 | /* |
304 | * Return data area 'header_num' | |
305 | */ | |
936216f8 | 306 | static inline void *io_u_verify_off(struct verify_header *hdr, struct vcont *vc) |
d9f2caf3 | 307 | { |
936216f8 | 308 | return vc->io_u->buf + vc->hdr_num * hdr->len + hdr_size(hdr); |
d9f2caf3 JA |
309 | } |
310 | ||
92bf48d5 JA |
311 | static unsigned int hweight8(unsigned int w) |
312 | { | |
313 | unsigned int res = w - ((w >> 1) & 0x55); | |
314 | ||
315 | res = (res & 0x33) + ((res >> 2) & 0x33); | |
316 | return (res + (res >> 4)) & 0x0F; | |
317 | } | |
318 | ||
319 | static int verify_io_u_pattern(struct verify_header *hdr, struct vcont *vc) | |
320 | { | |
321 | struct thread_data *td = vc->td; | |
322 | struct io_u *io_u = vc->io_u; | |
323 | char *buf, *pattern; | |
2b13e716 | 324 | unsigned int header_size = __hdr_size(td->o.verify); |
9a2a86d0 | 325 | unsigned int len, mod, i, size, pattern_size; |
92bf48d5 JA |
326 | |
327 | pattern = td->o.verify_pattern; | |
9a2a86d0 SL |
328 | pattern_size = td->o.verify_pattern_bytes; |
329 | if (pattern_size <= 1) | |
330 | pattern_size = MAX_PATTERN_SIZE; | |
2b13e716 JA |
331 | buf = (void *) hdr + header_size; |
332 | len = get_hdr_inc(td, io_u) - header_size; | |
9a2a86d0 SL |
333 | mod = header_size % pattern_size; |
334 | ||
335 | for (i = 0; i < len; i += size) { | |
336 | size = pattern_size - mod; | |
337 | if (size > (len - i)) | |
338 | size = len - i; | |
339 | if (memcmp(buf + i, pattern + mod, size)) | |
340 | // Let the slow compare find the first mismatch byte. | |
341 | break; | |
342 | mod = 0; | |
343 | } | |
92bf48d5 | 344 | |
9a2a86d0 | 345 | for (; i < len; i++) { |
92bf48d5 JA |
346 | if (buf[i] != pattern[mod]) { |
347 | unsigned int bits; | |
348 | ||
349 | bits = hweight8(buf[i] ^ pattern[mod]); | |
350 | log_err("fio: got pattern %x, wanted %x. Bad bits %d\n", | |
351 | buf[i], pattern[mod], bits); | |
352 | log_err("fio: bad pattern block offset %u\n", i); | |
353 | dump_verify_buffers(hdr, vc); | |
354 | return EILSEQ; | |
355 | } | |
356 | mod++; | |
357 | if (mod == td->o.verify_pattern_bytes) | |
358 | mod = 0; | |
359 | } | |
360 | ||
361 | return 0; | |
362 | } | |
363 | ||
364 | static int verify_io_u_meta(struct verify_header *hdr, struct vcont *vc) | |
7437ee87 | 365 | { |
92bf48d5 | 366 | struct thread_data *td = vc->td; |
7437ee87 | 367 | struct vhdr_meta *vh = hdr_priv(hdr); |
936216f8 | 368 | struct io_u *io_u = vc->io_u; |
92bf48d5 | 369 | int ret = EILSEQ; |
7437ee87 | 370 | |
bd6f78b2 JA |
371 | dprint(FD_VERIFY, "meta verify io_u %p, len %u\n", io_u, hdr->len); |
372 | ||
bfacf389 | 373 | if (vh->offset == io_u->offset + vc->hdr_num * td->o.verify_interval) |
92bf48d5 JA |
374 | ret = 0; |
375 | ||
376 | if (td->o.verify_pattern_bytes) | |
377 | ret |= verify_io_u_pattern(hdr, vc); | |
378 | ||
379 | if (!ret) | |
bfacf389 | 380 | return 0; |
7437ee87 | 381 | |
bfacf389 JA |
382 | vc->name = "meta"; |
383 | log_verify_failure(hdr, vc); | |
92bf48d5 | 384 | return ret; |
7437ee87 SL |
385 | } |
386 | ||
936216f8 | 387 | static int verify_io_u_sha512(struct verify_header *hdr, struct vcont *vc) |
cd14cc10 | 388 | { |
936216f8 | 389 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 390 | struct vhdr_sha512 *vh = hdr_priv(hdr); |
cd14cc10 JA |
391 | uint8_t sha512[128]; |
392 | struct sha512_ctx sha512_ctx = { | |
393 | .buf = sha512, | |
394 | }; | |
395 | ||
936216f8 | 396 | dprint(FD_VERIFY, "sha512 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 397 | |
cd14cc10 | 398 | sha512_init(&sha512_ctx); |
87677832 | 399 | sha512_update(&sha512_ctx, p, hdr->len - hdr_size(hdr)); |
cd14cc10 | 400 | |
bfacf389 JA |
401 | if (!memcmp(vh->sha512, sha512_ctx.buf, sizeof(sha512))) |
402 | return 0; | |
cd14cc10 | 403 | |
bfacf389 JA |
404 | vc->name = "sha512"; |
405 | vc->good_crc = vh->sha512; | |
406 | vc->bad_crc = sha512_ctx.buf; | |
407 | vc->crc_len = sizeof(vh->sha512); | |
408 | log_verify_failure(hdr, vc); | |
409 | return EILSEQ; | |
cd14cc10 JA |
410 | } |
411 | ||
936216f8 | 412 | static int verify_io_u_sha256(struct verify_header *hdr, struct vcont *vc) |
cd14cc10 | 413 | { |
936216f8 | 414 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 415 | struct vhdr_sha256 *vh = hdr_priv(hdr); |
bc77f56f | 416 | uint8_t sha256[64]; |
cd14cc10 JA |
417 | struct sha256_ctx sha256_ctx = { |
418 | .buf = sha256, | |
419 | }; | |
420 | ||
936216f8 | 421 | dprint(FD_VERIFY, "sha256 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 422 | |
cd14cc10 | 423 | sha256_init(&sha256_ctx); |
87677832 | 424 | sha256_update(&sha256_ctx, p, hdr->len - hdr_size(hdr)); |
cd14cc10 | 425 | |
bfacf389 JA |
426 | if (!memcmp(vh->sha256, sha256_ctx.buf, sizeof(sha256))) |
427 | return 0; | |
cd14cc10 | 428 | |
bfacf389 JA |
429 | vc->name = "sha256"; |
430 | vc->good_crc = vh->sha256; | |
431 | vc->bad_crc = sha256_ctx.buf; | |
432 | vc->crc_len = sizeof(vh->sha256); | |
433 | log_verify_failure(hdr, vc); | |
434 | return EILSEQ; | |
cd14cc10 JA |
435 | } |
436 | ||
936216f8 | 437 | static int verify_io_u_sha1(struct verify_header *hdr, struct vcont *vc) |
7c353ceb | 438 | { |
936216f8 | 439 | void *p = io_u_verify_off(hdr, vc); |
7c353ceb JA |
440 | struct vhdr_sha1 *vh = hdr_priv(hdr); |
441 | uint32_t sha1[5]; | |
442 | struct sha1_ctx sha1_ctx = { | |
443 | .H = sha1, | |
444 | }; | |
445 | ||
936216f8 | 446 | dprint(FD_VERIFY, "sha1 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
7c353ceb JA |
447 | |
448 | sha1_init(&sha1_ctx); | |
449 | sha1_update(&sha1_ctx, p, hdr->len - hdr_size(hdr)); | |
450 | ||
bfacf389 JA |
451 | if (!memcmp(vh->sha1, sha1_ctx.H, sizeof(sha1))) |
452 | return 0; | |
7c353ceb | 453 | |
bfacf389 JA |
454 | vc->name = "sha1"; |
455 | vc->good_crc = vh->sha1; | |
456 | vc->bad_crc = sha1_ctx.H; | |
457 | vc->crc_len = sizeof(vh->sha1); | |
458 | log_verify_failure(hdr, vc); | |
459 | return EILSEQ; | |
7c353ceb JA |
460 | } |
461 | ||
936216f8 | 462 | static int verify_io_u_crc7(struct verify_header *hdr, struct vcont *vc) |
1e154bdb | 463 | { |
936216f8 | 464 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 465 | struct vhdr_crc7 *vh = hdr_priv(hdr); |
1e154bdb JA |
466 | unsigned char c; |
467 | ||
936216f8 | 468 | dprint(FD_VERIFY, "crc7 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 469 | |
87677832 | 470 | c = crc7(p, hdr->len - hdr_size(hdr)); |
1e154bdb | 471 | |
bfacf389 JA |
472 | if (c == vh->crc7) |
473 | return 0; | |
1e154bdb | 474 | |
bfacf389 JA |
475 | vc->name = "crc7"; |
476 | vc->good_crc = &vh->crc7; | |
477 | vc->bad_crc = &c; | |
478 | vc->crc_len = 1; | |
479 | log_verify_failure(hdr, vc); | |
480 | return EILSEQ; | |
1e154bdb JA |
481 | } |
482 | ||
936216f8 | 483 | static int verify_io_u_crc16(struct verify_header *hdr, struct vcont *vc) |
969f7ed3 | 484 | { |
936216f8 | 485 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 486 | struct vhdr_crc16 *vh = hdr_priv(hdr); |
969f7ed3 JA |
487 | unsigned short c; |
488 | ||
936216f8 | 489 | dprint(FD_VERIFY, "crc16 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 490 | |
87677832 | 491 | c = crc16(p, hdr->len - hdr_size(hdr)); |
969f7ed3 | 492 | |
bfacf389 JA |
493 | if (c == vh->crc16) |
494 | return 0; | |
969f7ed3 | 495 | |
bfacf389 JA |
496 | vc->name = "crc16"; |
497 | vc->good_crc = &vh->crc16; | |
498 | vc->bad_crc = &c; | |
499 | vc->crc_len = 2; | |
500 | log_verify_failure(hdr, vc); | |
501 | return EILSEQ; | |
969f7ed3 JA |
502 | } |
503 | ||
936216f8 | 504 | static int verify_io_u_crc64(struct verify_header *hdr, struct vcont *vc) |
d77a7af3 | 505 | { |
936216f8 | 506 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 507 | struct vhdr_crc64 *vh = hdr_priv(hdr); |
d77a7af3 JA |
508 | unsigned long long c; |
509 | ||
936216f8 | 510 | dprint(FD_VERIFY, "crc64 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 511 | |
87677832 | 512 | c = crc64(p, hdr->len - hdr_size(hdr)); |
d77a7af3 | 513 | |
bfacf389 JA |
514 | if (c == vh->crc64) |
515 | return 0; | |
d77a7af3 | 516 | |
bfacf389 JA |
517 | vc->name = "crc64"; |
518 | vc->good_crc = &vh->crc64; | |
519 | vc->bad_crc = &c; | |
520 | vc->crc_len = 8; | |
521 | log_verify_failure(hdr, vc); | |
522 | return EILSEQ; | |
d77a7af3 JA |
523 | } |
524 | ||
936216f8 | 525 | static int verify_io_u_crc32(struct verify_header *hdr, struct vcont *vc) |
e29d1b70 | 526 | { |
936216f8 | 527 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f JA |
528 | struct vhdr_crc32 *vh = hdr_priv(hdr); |
529 | uint32_t c; | |
e29d1b70 | 530 | |
936216f8 | 531 | dprint(FD_VERIFY, "crc32 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 532 | |
87677832 | 533 | c = crc32(p, hdr->len - hdr_size(hdr)); |
e29d1b70 | 534 | |
bfacf389 JA |
535 | if (c == vh->crc32) |
536 | return 0; | |
e29d1b70 | 537 | |
bfacf389 JA |
538 | vc->name = "crc32"; |
539 | vc->good_crc = &vh->crc32; | |
540 | vc->bad_crc = &c; | |
541 | vc->crc_len = 4; | |
542 | log_verify_failure(hdr, vc); | |
543 | return EILSEQ; | |
e29d1b70 JA |
544 | } |
545 | ||
936216f8 | 546 | static int verify_io_u_crc32c(struct verify_header *hdr, struct vcont *vc) |
bac39e0e | 547 | { |
936216f8 | 548 | void *p = io_u_verify_off(hdr, vc); |
bac39e0e JA |
549 | struct vhdr_crc32 *vh = hdr_priv(hdr); |
550 | uint32_t c; | |
551 | ||
936216f8 | 552 | dprint(FD_VERIFY, "crc32c verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bac39e0e | 553 | |
3845591f JA |
554 | if (hdr->verify_type == VERIFY_CRC32C_INTEL) |
555 | c = crc32c_intel(p, hdr->len - hdr_size(hdr)); | |
556 | else | |
557 | c = crc32c(p, hdr->len - hdr_size(hdr)); | |
bac39e0e | 558 | |
bfacf389 JA |
559 | if (c == vh->crc32) |
560 | return 0; | |
bac39e0e | 561 | |
bfacf389 JA |
562 | vc->name = "crc32c"; |
563 | vc->good_crc = &vh->crc32; | |
564 | vc->bad_crc = &c; | |
565 | vc->crc_len = 4; | |
566 | log_verify_failure(hdr, vc); | |
567 | return EILSEQ; | |
bac39e0e JA |
568 | } |
569 | ||
936216f8 | 570 | static int verify_io_u_md5(struct verify_header *hdr, struct vcont *vc) |
e29d1b70 | 571 | { |
936216f8 | 572 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 573 | struct vhdr_md5 *vh = hdr_priv(hdr); |
8c432325 JA |
574 | uint32_t hash[MD5_HASH_WORDS]; |
575 | struct md5_ctx md5_ctx = { | |
576 | .hash = hash, | |
577 | }; | |
e29d1b70 | 578 | |
936216f8 | 579 | dprint(FD_VERIFY, "md5 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 580 | |
61f821f1 | 581 | md5_init(&md5_ctx); |
87677832 | 582 | md5_update(&md5_ctx, p, hdr->len - hdr_size(hdr)); |
e29d1b70 | 583 | |
bfacf389 JA |
584 | if (!memcmp(vh->md5_digest, md5_ctx.hash, sizeof(hash))) |
585 | return 0; | |
e29d1b70 | 586 | |
bfacf389 JA |
587 | vc->name = "md5"; |
588 | vc->good_crc = vh->md5_digest; | |
589 | vc->bad_crc = md5_ctx.hash; | |
590 | vc->crc_len = sizeof(hash); | |
591 | log_verify_failure(hdr, vc); | |
592 | return EILSEQ; | |
e29d1b70 JA |
593 | } |
594 | ||
e8462bd8 JA |
595 | /* |
596 | * Push IO verification to a separate thread | |
597 | */ | |
598 | int verify_io_u_async(struct thread_data *td, struct io_u *io_u) | |
599 | { | |
600 | if (io_u->file) | |
601 | put_file_log(td, io_u->file); | |
602 | ||
e8462bd8 | 603 | pthread_mutex_lock(&td->io_u_lock); |
d7ee2a7d | 604 | |
0c41214f RR |
605 | if (io_u->flags & IO_U_F_IN_CUR_DEPTH) { |
606 | td->cur_depth--; | |
607 | io_u->flags &= ~IO_U_F_IN_CUR_DEPTH; | |
608 | } | |
e8462bd8 JA |
609 | flist_del(&io_u->list); |
610 | flist_add_tail(&io_u->list, &td->verify_list); | |
2ecc1b57 | 611 | io_u->flags |= IO_U_F_FREE_DEF; |
e8462bd8 JA |
612 | pthread_mutex_unlock(&td->io_u_lock); |
613 | ||
614 | pthread_cond_signal(&td->verify_cond); | |
e8462bd8 JA |
615 | return 0; |
616 | } | |
617 | ||
0d29de83 JA |
618 | static int verify_trimmed_io_u(struct thread_data *td, struct io_u *io_u) |
619 | { | |
620 | static char zero_buf[1024]; | |
621 | unsigned int this_len, len; | |
622 | int ret = 0; | |
623 | void *p; | |
624 | ||
625 | if (!td->o.trim_zero) | |
626 | return 0; | |
627 | ||
628 | len = io_u->buflen; | |
629 | p = io_u->buf; | |
630 | do { | |
631 | this_len = sizeof(zero_buf); | |
632 | if (this_len > len) | |
633 | this_len = len; | |
634 | if (memcmp(p, zero_buf, this_len)) { | |
635 | ret = EILSEQ; | |
636 | break; | |
637 | } | |
638 | len -= this_len; | |
639 | p += this_len; | |
640 | } while (len); | |
641 | ||
642 | if (!ret) | |
643 | return 0; | |
644 | ||
a917a8b3 JA |
645 | log_err("trim: verify failed at file %s offset %llu, length %lu" |
646 | ", block offset %lu\n", | |
647 | io_u->file->file_name, io_u->offset, io_u->buflen, | |
2f68124f | 648 | (unsigned long) (p - io_u->buf)); |
0d29de83 JA |
649 | return ret; |
650 | } | |
651 | ||
36690c9b | 652 | int verify_io_u(struct thread_data *td, struct io_u *io_u) |
e29d1b70 | 653 | { |
3f9f4e26 | 654 | struct verify_header *hdr; |
2b13e716 | 655 | unsigned int header_size, hdr_inc, hdr_num = 0; |
95646108 | 656 | void *p; |
e29d1b70 JA |
657 | int ret; |
658 | ||
1dcc0498 | 659 | if (td->o.verify == VERIFY_NULL || io_u->ddir != DDIR_READ) |
36690c9b | 660 | return 0; |
0d29de83 JA |
661 | if (io_u->flags & IO_U_F_TRIMMED) { |
662 | ret = verify_trimmed_io_u(td, io_u); | |
663 | goto done; | |
664 | } | |
36690c9b | 665 | |
cfbcd0dc | 666 | hdr_inc = get_hdr_inc(td, io_u); |
e29d1b70 | 667 | |
a12a3b4d | 668 | ret = 0; |
5ec10eaa JA |
669 | for (p = io_u->buf; p < io_u->buf + io_u->buflen; |
670 | p += hdr_inc, hdr_num++) { | |
bfacf389 JA |
671 | struct vcont vc = { |
672 | .io_u = io_u, | |
673 | .hdr_num = hdr_num, | |
7d9fb455 | 674 | .td = td, |
bfacf389 | 675 | }; |
936216f8 | 676 | |
f3e6cb95 | 677 | if (ret && td->o.verify_fatal) |
a12a3b4d | 678 | break; |
f3e6cb95 | 679 | |
2b13e716 | 680 | header_size = __hdr_size(td->o.verify); |
a59e170d | 681 | if (td->o.verify_offset) |
2b13e716 | 682 | memswp(p, p + td->o.verify_offset, header_size); |
95646108 | 683 | hdr = p; |
e29d1b70 | 684 | |
3f199b01 | 685 | if (hdr->fio_magic != FIO_HDR_MAGIC) { |
c9b44031 JA |
686 | log_err("verify: bad magic header %x, wanted %x at file %s offset %llu, length %u\n", |
687 | hdr->fio_magic, FIO_HDR_MAGIC, | |
688 | io_u->file->file_name, | |
689 | io_u->offset + hdr_num * hdr->len, hdr->len); | |
9fd18969 | 690 | return EILSEQ; |
3f199b01 JA |
691 | } |
692 | ||
3f9f4e26 SL |
693 | switch (hdr->verify_type) { |
694 | case VERIFY_MD5: | |
936216f8 | 695 | ret = verify_io_u_md5(hdr, &vc); |
3f9f4e26 SL |
696 | break; |
697 | case VERIFY_CRC64: | |
936216f8 | 698 | ret = verify_io_u_crc64(hdr, &vc); |
3f9f4e26 | 699 | break; |
bac39e0e | 700 | case VERIFY_CRC32C: |
3845591f | 701 | case VERIFY_CRC32C_INTEL: |
936216f8 | 702 | ret = verify_io_u_crc32c(hdr, &vc); |
bac39e0e | 703 | break; |
3f9f4e26 | 704 | case VERIFY_CRC32: |
936216f8 | 705 | ret = verify_io_u_crc32(hdr, &vc); |
3f9f4e26 SL |
706 | break; |
707 | case VERIFY_CRC16: | |
936216f8 | 708 | ret = verify_io_u_crc16(hdr, &vc); |
3f9f4e26 SL |
709 | break; |
710 | case VERIFY_CRC7: | |
936216f8 | 711 | ret = verify_io_u_crc7(hdr, &vc); |
3f9f4e26 | 712 | break; |
cd14cc10 | 713 | case VERIFY_SHA256: |
936216f8 | 714 | ret = verify_io_u_sha256(hdr, &vc); |
cd14cc10 JA |
715 | break; |
716 | case VERIFY_SHA512: | |
936216f8 | 717 | ret = verify_io_u_sha512(hdr, &vc); |
cd14cc10 | 718 | break; |
7437ee87 | 719 | case VERIFY_META: |
92bf48d5 | 720 | ret = verify_io_u_meta(hdr, &vc); |
7437ee87 | 721 | break; |
7c353ceb | 722 | case VERIFY_SHA1: |
936216f8 | 723 | ret = verify_io_u_sha1(hdr, &vc); |
7c353ceb | 724 | break; |
92bf48d5 JA |
725 | case VERIFY_PATTERN: |
726 | ret = verify_io_u_pattern(hdr, &vc); | |
727 | break; | |
3f9f4e26 SL |
728 | default: |
729 | log_err("Bad verify type %u\n", hdr->verify_type); | |
d16d4e09 | 730 | ret = EINVAL; |
3f9f4e26 | 731 | } |
3f9f4e26 | 732 | } |
a7dfe862 | 733 | |
0d29de83 | 734 | done: |
f3e6cb95 JA |
735 | if (ret && td->o.verify_fatal) |
736 | td->terminate = 1; | |
737 | ||
a12a3b4d | 738 | return ret; |
e29d1b70 JA |
739 | } |
740 | ||
7437ee87 | 741 | static void fill_meta(struct verify_header *hdr, struct thread_data *td, |
5ec10eaa | 742 | struct io_u *io_u, unsigned int header_num) |
7437ee87 SL |
743 | { |
744 | struct vhdr_meta *vh = hdr_priv(hdr); | |
745 | ||
746 | vh->thread = td->thread_number; | |
747 | ||
748 | vh->time_sec = io_u->start_time.tv_sec; | |
749 | vh->time_usec = io_u->start_time.tv_usec; | |
750 | ||
751 | vh->numberio = td->io_issues[DDIR_WRITE]; | |
752 | ||
753 | vh->offset = io_u->offset + header_num * td->o.verify_interval; | |
754 | } | |
755 | ||
cd14cc10 JA |
756 | static void fill_sha512(struct verify_header *hdr, void *p, unsigned int len) |
757 | { | |
546dfd9f | 758 | struct vhdr_sha512 *vh = hdr_priv(hdr); |
cd14cc10 | 759 | struct sha512_ctx sha512_ctx = { |
546dfd9f | 760 | .buf = vh->sha512, |
cd14cc10 JA |
761 | }; |
762 | ||
763 | sha512_init(&sha512_ctx); | |
764 | sha512_update(&sha512_ctx, p, len); | |
765 | } | |
766 | ||
767 | static void fill_sha256(struct verify_header *hdr, void *p, unsigned int len) | |
768 | { | |
546dfd9f | 769 | struct vhdr_sha256 *vh = hdr_priv(hdr); |
cd14cc10 | 770 | struct sha256_ctx sha256_ctx = { |
546dfd9f | 771 | .buf = vh->sha256, |
cd14cc10 JA |
772 | }; |
773 | ||
774 | sha256_init(&sha256_ctx); | |
775 | sha256_update(&sha256_ctx, p, len); | |
776 | } | |
777 | ||
7c353ceb JA |
778 | static void fill_sha1(struct verify_header *hdr, void *p, unsigned int len) |
779 | { | |
780 | struct vhdr_sha1 *vh = hdr_priv(hdr); | |
781 | struct sha1_ctx sha1_ctx = { | |
782 | .H = vh->sha1, | |
783 | }; | |
784 | ||
785 | sha1_init(&sha1_ctx); | |
786 | sha1_update(&sha1_ctx, p, len); | |
787 | } | |
788 | ||
1e154bdb JA |
789 | static void fill_crc7(struct verify_header *hdr, void *p, unsigned int len) |
790 | { | |
546dfd9f JA |
791 | struct vhdr_crc7 *vh = hdr_priv(hdr); |
792 | ||
793 | vh->crc7 = crc7(p, len); | |
1e154bdb JA |
794 | } |
795 | ||
969f7ed3 JA |
796 | static void fill_crc16(struct verify_header *hdr, void *p, unsigned int len) |
797 | { | |
546dfd9f JA |
798 | struct vhdr_crc16 *vh = hdr_priv(hdr); |
799 | ||
800 | vh->crc16 = crc16(p, len); | |
969f7ed3 JA |
801 | } |
802 | ||
e29d1b70 JA |
803 | static void fill_crc32(struct verify_header *hdr, void *p, unsigned int len) |
804 | { | |
546dfd9f JA |
805 | struct vhdr_crc32 *vh = hdr_priv(hdr); |
806 | ||
807 | vh->crc32 = crc32(p, len); | |
e29d1b70 JA |
808 | } |
809 | ||
bac39e0e JA |
810 | static void fill_crc32c(struct verify_header *hdr, void *p, unsigned int len) |
811 | { | |
812 | struct vhdr_crc32 *vh = hdr_priv(hdr); | |
813 | ||
3845591f JA |
814 | if (hdr->verify_type == VERIFY_CRC32C_INTEL) |
815 | vh->crc32 = crc32c_intel(p, len); | |
816 | else | |
817 | vh->crc32 = crc32c(p, len); | |
bac39e0e JA |
818 | } |
819 | ||
d77a7af3 JA |
820 | static void fill_crc64(struct verify_header *hdr, void *p, unsigned int len) |
821 | { | |
546dfd9f JA |
822 | struct vhdr_crc64 *vh = hdr_priv(hdr); |
823 | ||
824 | vh->crc64 = crc64(p, len); | |
d77a7af3 JA |
825 | } |
826 | ||
e29d1b70 JA |
827 | static void fill_md5(struct verify_header *hdr, void *p, unsigned int len) |
828 | { | |
546dfd9f | 829 | struct vhdr_md5 *vh = hdr_priv(hdr); |
8c432325 | 830 | struct md5_ctx md5_ctx = { |
546dfd9f | 831 | .hash = (uint32_t *) vh->md5_digest, |
8c432325 | 832 | }; |
e29d1b70 | 833 | |
61f821f1 | 834 | md5_init(&md5_ctx); |
e29d1b70 | 835 | md5_update(&md5_ctx, p, len); |
e29d1b70 JA |
836 | } |
837 | ||
7d9fb455 JA |
838 | static void populate_hdr(struct thread_data *td, struct io_u *io_u, |
839 | struct verify_header *hdr, unsigned int header_num, | |
840 | unsigned int header_len) | |
841 | { | |
842 | unsigned int data_len; | |
843 | void *data, *p; | |
844 | ||
845 | p = (void *) hdr; | |
846 | ||
847 | hdr->fio_magic = FIO_HDR_MAGIC; | |
848 | hdr->len = header_len; | |
849 | hdr->verify_type = td->o.verify; | |
850 | hdr->rand_seed = io_u->rand_seed; | |
851 | data_len = header_len - hdr_size(hdr); | |
852 | ||
853 | data = p + hdr_size(hdr); | |
854 | switch (td->o.verify) { | |
855 | case VERIFY_MD5: | |
856 | dprint(FD_VERIFY, "fill md5 io_u %p, len %u\n", | |
857 | io_u, hdr->len); | |
858 | fill_md5(hdr, data, data_len); | |
859 | break; | |
860 | case VERIFY_CRC64: | |
861 | dprint(FD_VERIFY, "fill crc64 io_u %p, len %u\n", | |
862 | io_u, hdr->len); | |
863 | fill_crc64(hdr, data, data_len); | |
864 | break; | |
865 | case VERIFY_CRC32C: | |
866 | case VERIFY_CRC32C_INTEL: | |
867 | dprint(FD_VERIFY, "fill crc32c io_u %p, len %u\n", | |
868 | io_u, hdr->len); | |
869 | fill_crc32c(hdr, data, data_len); | |
870 | break; | |
871 | case VERIFY_CRC32: | |
872 | dprint(FD_VERIFY, "fill crc32 io_u %p, len %u\n", | |
873 | io_u, hdr->len); | |
874 | fill_crc32(hdr, data, data_len); | |
875 | break; | |
876 | case VERIFY_CRC16: | |
877 | dprint(FD_VERIFY, "fill crc16 io_u %p, len %u\n", | |
878 | io_u, hdr->len); | |
879 | fill_crc16(hdr, data, data_len); | |
880 | break; | |
881 | case VERIFY_CRC7: | |
882 | dprint(FD_VERIFY, "fill crc7 io_u %p, len %u\n", | |
883 | io_u, hdr->len); | |
884 | fill_crc7(hdr, data, data_len); | |
885 | break; | |
886 | case VERIFY_SHA256: | |
887 | dprint(FD_VERIFY, "fill sha256 io_u %p, len %u\n", | |
888 | io_u, hdr->len); | |
889 | fill_sha256(hdr, data, data_len); | |
890 | break; | |
891 | case VERIFY_SHA512: | |
892 | dprint(FD_VERIFY, "fill sha512 io_u %p, len %u\n", | |
893 | io_u, hdr->len); | |
894 | fill_sha512(hdr, data, data_len); | |
895 | break; | |
896 | case VERIFY_META: | |
897 | dprint(FD_VERIFY, "fill meta io_u %p, len %u\n", | |
898 | io_u, hdr->len); | |
899 | fill_meta(hdr, td, io_u, header_num); | |
900 | break; | |
901 | case VERIFY_SHA1: | |
902 | dprint(FD_VERIFY, "fill sha1 io_u %p, len %u\n", | |
903 | io_u, hdr->len); | |
904 | fill_sha1(hdr, data, data_len); | |
905 | break; | |
92bf48d5 JA |
906 | case VERIFY_PATTERN: |
907 | /* nothing to do here */ | |
908 | break; | |
7d9fb455 JA |
909 | default: |
910 | log_err("fio: bad verify type: %d\n", td->o.verify); | |
911 | assert(0); | |
912 | } | |
913 | if (td->o.verify_offset) | |
914 | memswp(p, p + td->o.verify_offset, hdr_size(hdr)); | |
915 | } | |
916 | ||
e29d1b70 JA |
917 | /* |
918 | * fill body of io_u->buf with random data and add a header with the | |
c50ca7bd | 919 | * checksum of choice |
e29d1b70 JA |
920 | */ |
921 | void populate_verify_io_u(struct thread_data *td, struct io_u *io_u) | |
922 | { | |
9cc3d150 JA |
923 | if (td->o.verify == VERIFY_NULL) |
924 | return; | |
925 | ||
c50ca7bd | 926 | fill_pattern_headers(td, io_u, 0, 0); |
e29d1b70 JA |
927 | } |
928 | ||
929 | int get_next_verify(struct thread_data *td, struct io_u *io_u) | |
930 | { | |
8de8f047 | 931 | struct io_piece *ipo = NULL; |
e29d1b70 | 932 | |
d2d7fa53 JA |
933 | /* |
934 | * this io_u is from a requeue, we already filled the offsets | |
935 | */ | |
936 | if (io_u->file) | |
937 | return 0; | |
938 | ||
8de8f047 JA |
939 | if (!RB_EMPTY_ROOT(&td->io_hist_tree)) { |
940 | struct rb_node *n = rb_first(&td->io_hist_tree); | |
e29d1b70 | 941 | |
8de8f047 | 942 | ipo = rb_entry(n, struct io_piece, rb_node); |
4b87898e | 943 | rb_erase(n, &td->io_hist_tree); |
a917a8b3 JA |
944 | assert(ipo->flags & IP_F_ONRB); |
945 | ipo->flags &= ~IP_F_ONRB; | |
01743ee1 JA |
946 | } else if (!flist_empty(&td->io_hist_list)) { |
947 | ipo = flist_entry(td->io_hist_list.next, struct io_piece, list); | |
948 | flist_del(&ipo->list); | |
a917a8b3 JA |
949 | assert(ipo->flags & IP_F_ONLIST); |
950 | ipo->flags &= ~IP_F_ONLIST; | |
8de8f047 | 951 | } |
e29d1b70 | 952 | |
8de8f047 | 953 | if (ipo) { |
0d29de83 JA |
954 | td->io_hist_len--; |
955 | ||
e29d1b70 JA |
956 | io_u->offset = ipo->offset; |
957 | io_u->buflen = ipo->len; | |
36167d82 | 958 | io_u->file = ipo->file; |
97af62ce | 959 | |
0d29de83 JA |
960 | if (ipo->flags & IP_F_TRIMMED) |
961 | io_u->flags |= IO_U_F_TRIMMED; | |
962 | ||
d6aed795 | 963 | if (!fio_file_open(io_u->file)) { |
97af62ce JA |
964 | int r = td_io_open_file(td, io_u->file); |
965 | ||
bd6f78b2 JA |
966 | if (r) { |
967 | dprint(FD_VERIFY, "failed file %s open\n", | |
968 | io_u->file->file_name); | |
97af62ce | 969 | return 1; |
bd6f78b2 | 970 | } |
97af62ce JA |
971 | } |
972 | ||
973 | get_file(ipo->file); | |
d6aed795 | 974 | assert(fio_file_open(io_u->file)); |
e29d1b70 | 975 | io_u->ddir = DDIR_READ; |
36167d82 JA |
976 | io_u->xfer_buf = io_u->buf; |
977 | io_u->xfer_buflen = io_u->buflen; | |
0d29de83 JA |
978 | |
979 | remove_trim_entry(td, ipo); | |
e29d1b70 | 980 | free(ipo); |
bd6f78b2 | 981 | dprint(FD_VERIFY, "get_next_verify: ret io_u %p\n", io_u); |
e29d1b70 JA |
982 | return 0; |
983 | } | |
984 | ||
bd6f78b2 | 985 | dprint(FD_VERIFY, "get_next_verify: empty\n"); |
e29d1b70 JA |
986 | return 1; |
987 | } | |
e8462bd8 JA |
988 | |
989 | static void *verify_async_thread(void *data) | |
990 | { | |
991 | struct thread_data *td = data; | |
992 | struct io_u *io_u; | |
993 | int ret = 0; | |
994 | ||
995 | if (td->o.verify_cpumask_set && | |
996 | fio_setaffinity(td->pid, td->o.verify_cpumask)) { | |
997 | log_err("fio: failed setting verify thread affinity\n"); | |
998 | goto done; | |
999 | } | |
1000 | ||
1001 | do { | |
e53ab27c JA |
1002 | FLIST_HEAD(list); |
1003 | ||
e8462bd8 JA |
1004 | read_barrier(); |
1005 | if (td->verify_thread_exit) | |
1006 | break; | |
1007 | ||
1008 | pthread_mutex_lock(&td->io_u_lock); | |
1009 | ||
1010 | while (flist_empty(&td->verify_list) && | |
1011 | !td->verify_thread_exit) { | |
b36e298b JA |
1012 | ret = pthread_cond_wait(&td->verify_cond, |
1013 | &td->io_u_lock); | |
e8462bd8 JA |
1014 | if (ret) { |
1015 | pthread_mutex_unlock(&td->io_u_lock); | |
1016 | break; | |
1017 | } | |
1018 | } | |
1019 | ||
e53ab27c JA |
1020 | flist_splice_init(&td->verify_list, &list); |
1021 | pthread_mutex_unlock(&td->io_u_lock); | |
1022 | ||
1023 | if (flist_empty(&list)) | |
e8462bd8 | 1024 | continue; |
e8462bd8 | 1025 | |
e53ab27c JA |
1026 | while (!flist_empty(&list)) { |
1027 | io_u = flist_entry(list.next, struct io_u, list); | |
1028 | flist_del_init(&io_u->list); | |
e8462bd8 | 1029 | |
d561f2ab | 1030 | ret = verify_io_u(td, io_u); |
e53ab27c | 1031 | put_io_u(td, io_u); |
d561f2ab JA |
1032 | if (!ret) |
1033 | continue; | |
06842027 | 1034 | if (td->o.continue_on_error & ERROR_TYPE_VERIFY && |
d561f2ab JA |
1035 | td_non_fatal_error(ret)) { |
1036 | update_error_count(td, ret); | |
1037 | td_clear_error(td); | |
1038 | ret = 0; | |
1039 | } | |
e53ab27c | 1040 | } |
e8462bd8 JA |
1041 | } while (!ret); |
1042 | ||
d561f2ab JA |
1043 | if (ret) { |
1044 | td_verror(td, ret, "async_verify"); | |
f3e6cb95 JA |
1045 | if (td->o.verify_fatal) |
1046 | td->terminate = 1; | |
d561f2ab JA |
1047 | } |
1048 | ||
e8462bd8 JA |
1049 | done: |
1050 | pthread_mutex_lock(&td->io_u_lock); | |
1051 | td->nr_verify_threads--; | |
1052 | pthread_mutex_unlock(&td->io_u_lock); | |
1053 | ||
1054 | pthread_cond_signal(&td->free_cond); | |
1055 | return NULL; | |
1056 | } | |
1057 | ||
1058 | int verify_async_init(struct thread_data *td) | |
1059 | { | |
1060 | int i, ret; | |
304a47c7 VA |
1061 | pthread_attr_t attr; |
1062 | ||
1063 | pthread_attr_init(&attr); | |
1064 | pthread_attr_setstacksize(&attr, PTHREAD_STACK_MIN); | |
e8462bd8 JA |
1065 | |
1066 | td->verify_thread_exit = 0; | |
1067 | ||
1068 | td->verify_threads = malloc(sizeof(pthread_t) * td->o.verify_async); | |
1069 | for (i = 0; i < td->o.verify_async; i++) { | |
304a47c7 | 1070 | ret = pthread_create(&td->verify_threads[i], &attr, |
e8462bd8 JA |
1071 | verify_async_thread, td); |
1072 | if (ret) { | |
1073 | log_err("fio: async verify creation failed: %s\n", | |
1074 | strerror(ret)); | |
1075 | break; | |
1076 | } | |
1077 | ret = pthread_detach(td->verify_threads[i]); | |
1078 | if (ret) { | |
1079 | log_err("fio: async verify thread detach failed: %s\n", | |
1080 | strerror(ret)); | |
1081 | break; | |
1082 | } | |
1083 | td->nr_verify_threads++; | |
1084 | } | |
1085 | ||
304a47c7 VA |
1086 | pthread_attr_destroy(&attr); |
1087 | ||
e8462bd8 | 1088 | if (i != td->o.verify_async) { |
e40823b1 | 1089 | log_err("fio: only %d verify threads started, exiting\n", i); |
e8462bd8 JA |
1090 | td->verify_thread_exit = 1; |
1091 | write_barrier(); | |
1092 | pthread_cond_broadcast(&td->verify_cond); | |
1093 | return 1; | |
1094 | } | |
1095 | ||
1096 | return 0; | |
1097 | } | |
1098 | ||
1099 | void verify_async_exit(struct thread_data *td) | |
1100 | { | |
1101 | td->verify_thread_exit = 1; | |
1102 | write_barrier(); | |
1103 | pthread_cond_broadcast(&td->verify_cond); | |
1104 | ||
1105 | pthread_mutex_lock(&td->io_u_lock); | |
1106 | ||
1107 | while (td->nr_verify_threads) | |
1108 | pthread_cond_wait(&td->free_cond, &td->io_u_lock); | |
1109 | ||
1110 | pthread_mutex_unlock(&td->io_u_lock); | |
1111 | free(td->verify_threads); | |
1112 | td->verify_threads = NULL; | |
1113 | } |