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); |
92bf48d5 JA |
325 | unsigned int len, mod, i; |
326 | ||
327 | pattern = td->o.verify_pattern; | |
2b13e716 JA |
328 | buf = (void *) hdr + header_size; |
329 | len = get_hdr_inc(td, io_u) - header_size; | |
330 | mod = header_size % td->o.verify_pattern_bytes; | |
92bf48d5 JA |
331 | |
332 | for (i = 0; i < len; i++) { | |
333 | if (buf[i] != pattern[mod]) { | |
334 | unsigned int bits; | |
335 | ||
336 | bits = hweight8(buf[i] ^ pattern[mod]); | |
337 | log_err("fio: got pattern %x, wanted %x. Bad bits %d\n", | |
338 | buf[i], pattern[mod], bits); | |
339 | log_err("fio: bad pattern block offset %u\n", i); | |
340 | dump_verify_buffers(hdr, vc); | |
341 | return EILSEQ; | |
342 | } | |
343 | mod++; | |
344 | if (mod == td->o.verify_pattern_bytes) | |
345 | mod = 0; | |
346 | } | |
347 | ||
348 | return 0; | |
349 | } | |
350 | ||
351 | static int verify_io_u_meta(struct verify_header *hdr, struct vcont *vc) | |
7437ee87 | 352 | { |
92bf48d5 | 353 | struct thread_data *td = vc->td; |
7437ee87 | 354 | struct vhdr_meta *vh = hdr_priv(hdr); |
936216f8 | 355 | struct io_u *io_u = vc->io_u; |
92bf48d5 | 356 | int ret = EILSEQ; |
7437ee87 | 357 | |
bd6f78b2 JA |
358 | dprint(FD_VERIFY, "meta verify io_u %p, len %u\n", io_u, hdr->len); |
359 | ||
bfacf389 | 360 | if (vh->offset == io_u->offset + vc->hdr_num * td->o.verify_interval) |
92bf48d5 JA |
361 | ret = 0; |
362 | ||
363 | if (td->o.verify_pattern_bytes) | |
364 | ret |= verify_io_u_pattern(hdr, vc); | |
365 | ||
366 | if (!ret) | |
bfacf389 | 367 | return 0; |
7437ee87 | 368 | |
bfacf389 JA |
369 | vc->name = "meta"; |
370 | log_verify_failure(hdr, vc); | |
92bf48d5 | 371 | return ret; |
7437ee87 SL |
372 | } |
373 | ||
936216f8 | 374 | static int verify_io_u_sha512(struct verify_header *hdr, struct vcont *vc) |
cd14cc10 | 375 | { |
936216f8 | 376 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 377 | struct vhdr_sha512 *vh = hdr_priv(hdr); |
cd14cc10 JA |
378 | uint8_t sha512[128]; |
379 | struct sha512_ctx sha512_ctx = { | |
380 | .buf = sha512, | |
381 | }; | |
382 | ||
936216f8 | 383 | dprint(FD_VERIFY, "sha512 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 384 | |
cd14cc10 | 385 | sha512_init(&sha512_ctx); |
87677832 | 386 | sha512_update(&sha512_ctx, p, hdr->len - hdr_size(hdr)); |
cd14cc10 | 387 | |
bfacf389 JA |
388 | if (!memcmp(vh->sha512, sha512_ctx.buf, sizeof(sha512))) |
389 | return 0; | |
cd14cc10 | 390 | |
bfacf389 JA |
391 | vc->name = "sha512"; |
392 | vc->good_crc = vh->sha512; | |
393 | vc->bad_crc = sha512_ctx.buf; | |
394 | vc->crc_len = sizeof(vh->sha512); | |
395 | log_verify_failure(hdr, vc); | |
396 | return EILSEQ; | |
cd14cc10 JA |
397 | } |
398 | ||
936216f8 | 399 | static int verify_io_u_sha256(struct verify_header *hdr, struct vcont *vc) |
cd14cc10 | 400 | { |
936216f8 | 401 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 402 | struct vhdr_sha256 *vh = hdr_priv(hdr); |
bc77f56f | 403 | uint8_t sha256[64]; |
cd14cc10 JA |
404 | struct sha256_ctx sha256_ctx = { |
405 | .buf = sha256, | |
406 | }; | |
407 | ||
936216f8 | 408 | dprint(FD_VERIFY, "sha256 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 409 | |
cd14cc10 | 410 | sha256_init(&sha256_ctx); |
87677832 | 411 | sha256_update(&sha256_ctx, p, hdr->len - hdr_size(hdr)); |
cd14cc10 | 412 | |
bfacf389 JA |
413 | if (!memcmp(vh->sha256, sha256_ctx.buf, sizeof(sha256))) |
414 | return 0; | |
cd14cc10 | 415 | |
bfacf389 JA |
416 | vc->name = "sha256"; |
417 | vc->good_crc = vh->sha256; | |
418 | vc->bad_crc = sha256_ctx.buf; | |
419 | vc->crc_len = sizeof(vh->sha256); | |
420 | log_verify_failure(hdr, vc); | |
421 | return EILSEQ; | |
cd14cc10 JA |
422 | } |
423 | ||
936216f8 | 424 | static int verify_io_u_sha1(struct verify_header *hdr, struct vcont *vc) |
7c353ceb | 425 | { |
936216f8 | 426 | void *p = io_u_verify_off(hdr, vc); |
7c353ceb JA |
427 | struct vhdr_sha1 *vh = hdr_priv(hdr); |
428 | uint32_t sha1[5]; | |
429 | struct sha1_ctx sha1_ctx = { | |
430 | .H = sha1, | |
431 | }; | |
432 | ||
936216f8 | 433 | dprint(FD_VERIFY, "sha1 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
7c353ceb JA |
434 | |
435 | sha1_init(&sha1_ctx); | |
436 | sha1_update(&sha1_ctx, p, hdr->len - hdr_size(hdr)); | |
437 | ||
bfacf389 JA |
438 | if (!memcmp(vh->sha1, sha1_ctx.H, sizeof(sha1))) |
439 | return 0; | |
7c353ceb | 440 | |
bfacf389 JA |
441 | vc->name = "sha1"; |
442 | vc->good_crc = vh->sha1; | |
443 | vc->bad_crc = sha1_ctx.H; | |
444 | vc->crc_len = sizeof(vh->sha1); | |
445 | log_verify_failure(hdr, vc); | |
446 | return EILSEQ; | |
7c353ceb JA |
447 | } |
448 | ||
936216f8 | 449 | static int verify_io_u_crc7(struct verify_header *hdr, struct vcont *vc) |
1e154bdb | 450 | { |
936216f8 | 451 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 452 | struct vhdr_crc7 *vh = hdr_priv(hdr); |
1e154bdb JA |
453 | unsigned char c; |
454 | ||
936216f8 | 455 | dprint(FD_VERIFY, "crc7 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 456 | |
87677832 | 457 | c = crc7(p, hdr->len - hdr_size(hdr)); |
1e154bdb | 458 | |
bfacf389 JA |
459 | if (c == vh->crc7) |
460 | return 0; | |
1e154bdb | 461 | |
bfacf389 JA |
462 | vc->name = "crc7"; |
463 | vc->good_crc = &vh->crc7; | |
464 | vc->bad_crc = &c; | |
465 | vc->crc_len = 1; | |
466 | log_verify_failure(hdr, vc); | |
467 | return EILSEQ; | |
1e154bdb JA |
468 | } |
469 | ||
936216f8 | 470 | static int verify_io_u_crc16(struct verify_header *hdr, struct vcont *vc) |
969f7ed3 | 471 | { |
936216f8 | 472 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 473 | struct vhdr_crc16 *vh = hdr_priv(hdr); |
969f7ed3 JA |
474 | unsigned short c; |
475 | ||
936216f8 | 476 | dprint(FD_VERIFY, "crc16 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 477 | |
87677832 | 478 | c = crc16(p, hdr->len - hdr_size(hdr)); |
969f7ed3 | 479 | |
bfacf389 JA |
480 | if (c == vh->crc16) |
481 | return 0; | |
969f7ed3 | 482 | |
bfacf389 JA |
483 | vc->name = "crc16"; |
484 | vc->good_crc = &vh->crc16; | |
485 | vc->bad_crc = &c; | |
486 | vc->crc_len = 2; | |
487 | log_verify_failure(hdr, vc); | |
488 | return EILSEQ; | |
969f7ed3 JA |
489 | } |
490 | ||
936216f8 | 491 | static int verify_io_u_crc64(struct verify_header *hdr, struct vcont *vc) |
d77a7af3 | 492 | { |
936216f8 | 493 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 494 | struct vhdr_crc64 *vh = hdr_priv(hdr); |
d77a7af3 JA |
495 | unsigned long long c; |
496 | ||
936216f8 | 497 | dprint(FD_VERIFY, "crc64 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 498 | |
87677832 | 499 | c = crc64(p, hdr->len - hdr_size(hdr)); |
d77a7af3 | 500 | |
bfacf389 JA |
501 | if (c == vh->crc64) |
502 | return 0; | |
d77a7af3 | 503 | |
bfacf389 JA |
504 | vc->name = "crc64"; |
505 | vc->good_crc = &vh->crc64; | |
506 | vc->bad_crc = &c; | |
507 | vc->crc_len = 8; | |
508 | log_verify_failure(hdr, vc); | |
509 | return EILSEQ; | |
d77a7af3 JA |
510 | } |
511 | ||
936216f8 | 512 | static int verify_io_u_crc32(struct verify_header *hdr, struct vcont *vc) |
e29d1b70 | 513 | { |
936216f8 | 514 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f JA |
515 | struct vhdr_crc32 *vh = hdr_priv(hdr); |
516 | uint32_t c; | |
e29d1b70 | 517 | |
936216f8 | 518 | dprint(FD_VERIFY, "crc32 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 519 | |
87677832 | 520 | c = crc32(p, hdr->len - hdr_size(hdr)); |
e29d1b70 | 521 | |
bfacf389 JA |
522 | if (c == vh->crc32) |
523 | return 0; | |
e29d1b70 | 524 | |
bfacf389 JA |
525 | vc->name = "crc32"; |
526 | vc->good_crc = &vh->crc32; | |
527 | vc->bad_crc = &c; | |
528 | vc->crc_len = 4; | |
529 | log_verify_failure(hdr, vc); | |
530 | return EILSEQ; | |
e29d1b70 JA |
531 | } |
532 | ||
936216f8 | 533 | static int verify_io_u_crc32c(struct verify_header *hdr, struct vcont *vc) |
bac39e0e | 534 | { |
936216f8 | 535 | void *p = io_u_verify_off(hdr, vc); |
bac39e0e JA |
536 | struct vhdr_crc32 *vh = hdr_priv(hdr); |
537 | uint32_t c; | |
538 | ||
936216f8 | 539 | dprint(FD_VERIFY, "crc32c verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bac39e0e | 540 | |
3845591f JA |
541 | if (hdr->verify_type == VERIFY_CRC32C_INTEL) |
542 | c = crc32c_intel(p, hdr->len - hdr_size(hdr)); | |
543 | else | |
544 | c = crc32c(p, hdr->len - hdr_size(hdr)); | |
bac39e0e | 545 | |
bfacf389 JA |
546 | if (c == vh->crc32) |
547 | return 0; | |
bac39e0e | 548 | |
bfacf389 JA |
549 | vc->name = "crc32c"; |
550 | vc->good_crc = &vh->crc32; | |
551 | vc->bad_crc = &c; | |
552 | vc->crc_len = 4; | |
553 | log_verify_failure(hdr, vc); | |
554 | return EILSEQ; | |
bac39e0e JA |
555 | } |
556 | ||
936216f8 | 557 | static int verify_io_u_md5(struct verify_header *hdr, struct vcont *vc) |
e29d1b70 | 558 | { |
936216f8 | 559 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 560 | struct vhdr_md5 *vh = hdr_priv(hdr); |
8c432325 JA |
561 | uint32_t hash[MD5_HASH_WORDS]; |
562 | struct md5_ctx md5_ctx = { | |
563 | .hash = hash, | |
564 | }; | |
e29d1b70 | 565 | |
936216f8 | 566 | dprint(FD_VERIFY, "md5 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 567 | |
61f821f1 | 568 | md5_init(&md5_ctx); |
87677832 | 569 | md5_update(&md5_ctx, p, hdr->len - hdr_size(hdr)); |
e29d1b70 | 570 | |
bfacf389 JA |
571 | if (!memcmp(vh->md5_digest, md5_ctx.hash, sizeof(hash))) |
572 | return 0; | |
e29d1b70 | 573 | |
bfacf389 JA |
574 | vc->name = "md5"; |
575 | vc->good_crc = vh->md5_digest; | |
576 | vc->bad_crc = md5_ctx.hash; | |
577 | vc->crc_len = sizeof(hash); | |
578 | log_verify_failure(hdr, vc); | |
579 | return EILSEQ; | |
e29d1b70 JA |
580 | } |
581 | ||
e8462bd8 JA |
582 | /* |
583 | * Push IO verification to a separate thread | |
584 | */ | |
585 | int verify_io_u_async(struct thread_data *td, struct io_u *io_u) | |
586 | { | |
587 | if (io_u->file) | |
588 | put_file_log(td, io_u->file); | |
589 | ||
e8462bd8 | 590 | pthread_mutex_lock(&td->io_u_lock); |
d7ee2a7d | 591 | |
0c41214f RR |
592 | if (io_u->flags & IO_U_F_IN_CUR_DEPTH) { |
593 | td->cur_depth--; | |
594 | io_u->flags &= ~IO_U_F_IN_CUR_DEPTH; | |
595 | } | |
e8462bd8 JA |
596 | flist_del(&io_u->list); |
597 | flist_add_tail(&io_u->list, &td->verify_list); | |
2ecc1b57 | 598 | io_u->flags |= IO_U_F_FREE_DEF; |
e8462bd8 JA |
599 | pthread_mutex_unlock(&td->io_u_lock); |
600 | ||
601 | pthread_cond_signal(&td->verify_cond); | |
e8462bd8 JA |
602 | return 0; |
603 | } | |
604 | ||
0d29de83 JA |
605 | static int verify_trimmed_io_u(struct thread_data *td, struct io_u *io_u) |
606 | { | |
607 | static char zero_buf[1024]; | |
608 | unsigned int this_len, len; | |
609 | int ret = 0; | |
610 | void *p; | |
611 | ||
612 | if (!td->o.trim_zero) | |
613 | return 0; | |
614 | ||
615 | len = io_u->buflen; | |
616 | p = io_u->buf; | |
617 | do { | |
618 | this_len = sizeof(zero_buf); | |
619 | if (this_len > len) | |
620 | this_len = len; | |
621 | if (memcmp(p, zero_buf, this_len)) { | |
622 | ret = EILSEQ; | |
623 | break; | |
624 | } | |
625 | len -= this_len; | |
626 | p += this_len; | |
627 | } while (len); | |
628 | ||
629 | if (!ret) | |
630 | return 0; | |
631 | ||
a917a8b3 JA |
632 | log_err("trim: verify failed at file %s offset %llu, length %lu" |
633 | ", block offset %lu\n", | |
634 | io_u->file->file_name, io_u->offset, io_u->buflen, | |
2f68124f | 635 | (unsigned long) (p - io_u->buf)); |
0d29de83 JA |
636 | return ret; |
637 | } | |
638 | ||
36690c9b | 639 | int verify_io_u(struct thread_data *td, struct io_u *io_u) |
e29d1b70 | 640 | { |
3f9f4e26 | 641 | struct verify_header *hdr; |
2b13e716 | 642 | unsigned int header_size, hdr_inc, hdr_num = 0; |
95646108 | 643 | void *p; |
e29d1b70 JA |
644 | int ret; |
645 | ||
1dcc0498 | 646 | if (td->o.verify == VERIFY_NULL || io_u->ddir != DDIR_READ) |
36690c9b | 647 | return 0; |
0d29de83 JA |
648 | if (io_u->flags & IO_U_F_TRIMMED) { |
649 | ret = verify_trimmed_io_u(td, io_u); | |
650 | goto done; | |
651 | } | |
36690c9b | 652 | |
cfbcd0dc | 653 | hdr_inc = get_hdr_inc(td, io_u); |
e29d1b70 | 654 | |
a12a3b4d | 655 | ret = 0; |
5ec10eaa JA |
656 | for (p = io_u->buf; p < io_u->buf + io_u->buflen; |
657 | p += hdr_inc, hdr_num++) { | |
bfacf389 JA |
658 | struct vcont vc = { |
659 | .io_u = io_u, | |
660 | .hdr_num = hdr_num, | |
7d9fb455 | 661 | .td = td, |
bfacf389 | 662 | }; |
936216f8 | 663 | |
f3e6cb95 | 664 | if (ret && td->o.verify_fatal) |
a12a3b4d | 665 | break; |
f3e6cb95 | 666 | |
2b13e716 | 667 | header_size = __hdr_size(td->o.verify); |
a59e170d | 668 | if (td->o.verify_offset) |
2b13e716 | 669 | memswp(p, p + td->o.verify_offset, header_size); |
95646108 | 670 | hdr = p; |
e29d1b70 | 671 | |
3f199b01 | 672 | if (hdr->fio_magic != FIO_HDR_MAGIC) { |
c9b44031 JA |
673 | log_err("verify: bad magic header %x, wanted %x at file %s offset %llu, length %u\n", |
674 | hdr->fio_magic, FIO_HDR_MAGIC, | |
675 | io_u->file->file_name, | |
676 | io_u->offset + hdr_num * hdr->len, hdr->len); | |
9fd18969 | 677 | return EILSEQ; |
3f199b01 JA |
678 | } |
679 | ||
3f9f4e26 SL |
680 | switch (hdr->verify_type) { |
681 | case VERIFY_MD5: | |
936216f8 | 682 | ret = verify_io_u_md5(hdr, &vc); |
3f9f4e26 SL |
683 | break; |
684 | case VERIFY_CRC64: | |
936216f8 | 685 | ret = verify_io_u_crc64(hdr, &vc); |
3f9f4e26 | 686 | break; |
bac39e0e | 687 | case VERIFY_CRC32C: |
3845591f | 688 | case VERIFY_CRC32C_INTEL: |
936216f8 | 689 | ret = verify_io_u_crc32c(hdr, &vc); |
bac39e0e | 690 | break; |
3f9f4e26 | 691 | case VERIFY_CRC32: |
936216f8 | 692 | ret = verify_io_u_crc32(hdr, &vc); |
3f9f4e26 SL |
693 | break; |
694 | case VERIFY_CRC16: | |
936216f8 | 695 | ret = verify_io_u_crc16(hdr, &vc); |
3f9f4e26 SL |
696 | break; |
697 | case VERIFY_CRC7: | |
936216f8 | 698 | ret = verify_io_u_crc7(hdr, &vc); |
3f9f4e26 | 699 | break; |
cd14cc10 | 700 | case VERIFY_SHA256: |
936216f8 | 701 | ret = verify_io_u_sha256(hdr, &vc); |
cd14cc10 JA |
702 | break; |
703 | case VERIFY_SHA512: | |
936216f8 | 704 | ret = verify_io_u_sha512(hdr, &vc); |
cd14cc10 | 705 | break; |
7437ee87 | 706 | case VERIFY_META: |
92bf48d5 | 707 | ret = verify_io_u_meta(hdr, &vc); |
7437ee87 | 708 | break; |
7c353ceb | 709 | case VERIFY_SHA1: |
936216f8 | 710 | ret = verify_io_u_sha1(hdr, &vc); |
7c353ceb | 711 | break; |
92bf48d5 JA |
712 | case VERIFY_PATTERN: |
713 | ret = verify_io_u_pattern(hdr, &vc); | |
714 | break; | |
3f9f4e26 SL |
715 | default: |
716 | log_err("Bad verify type %u\n", hdr->verify_type); | |
d16d4e09 | 717 | ret = EINVAL; |
3f9f4e26 | 718 | } |
3f9f4e26 | 719 | } |
a7dfe862 | 720 | |
0d29de83 | 721 | done: |
f3e6cb95 JA |
722 | if (ret && td->o.verify_fatal) |
723 | td->terminate = 1; | |
724 | ||
a12a3b4d | 725 | return ret; |
e29d1b70 JA |
726 | } |
727 | ||
7437ee87 | 728 | static void fill_meta(struct verify_header *hdr, struct thread_data *td, |
5ec10eaa | 729 | struct io_u *io_u, unsigned int header_num) |
7437ee87 SL |
730 | { |
731 | struct vhdr_meta *vh = hdr_priv(hdr); | |
732 | ||
733 | vh->thread = td->thread_number; | |
734 | ||
735 | vh->time_sec = io_u->start_time.tv_sec; | |
736 | vh->time_usec = io_u->start_time.tv_usec; | |
737 | ||
738 | vh->numberio = td->io_issues[DDIR_WRITE]; | |
739 | ||
740 | vh->offset = io_u->offset + header_num * td->o.verify_interval; | |
741 | } | |
742 | ||
cd14cc10 JA |
743 | static void fill_sha512(struct verify_header *hdr, void *p, unsigned int len) |
744 | { | |
546dfd9f | 745 | struct vhdr_sha512 *vh = hdr_priv(hdr); |
cd14cc10 | 746 | struct sha512_ctx sha512_ctx = { |
546dfd9f | 747 | .buf = vh->sha512, |
cd14cc10 JA |
748 | }; |
749 | ||
750 | sha512_init(&sha512_ctx); | |
751 | sha512_update(&sha512_ctx, p, len); | |
752 | } | |
753 | ||
754 | static void fill_sha256(struct verify_header *hdr, void *p, unsigned int len) | |
755 | { | |
546dfd9f | 756 | struct vhdr_sha256 *vh = hdr_priv(hdr); |
cd14cc10 | 757 | struct sha256_ctx sha256_ctx = { |
546dfd9f | 758 | .buf = vh->sha256, |
cd14cc10 JA |
759 | }; |
760 | ||
761 | sha256_init(&sha256_ctx); | |
762 | sha256_update(&sha256_ctx, p, len); | |
763 | } | |
764 | ||
7c353ceb JA |
765 | static void fill_sha1(struct verify_header *hdr, void *p, unsigned int len) |
766 | { | |
767 | struct vhdr_sha1 *vh = hdr_priv(hdr); | |
768 | struct sha1_ctx sha1_ctx = { | |
769 | .H = vh->sha1, | |
770 | }; | |
771 | ||
772 | sha1_init(&sha1_ctx); | |
773 | sha1_update(&sha1_ctx, p, len); | |
774 | } | |
775 | ||
1e154bdb JA |
776 | static void fill_crc7(struct verify_header *hdr, void *p, unsigned int len) |
777 | { | |
546dfd9f JA |
778 | struct vhdr_crc7 *vh = hdr_priv(hdr); |
779 | ||
780 | vh->crc7 = crc7(p, len); | |
1e154bdb JA |
781 | } |
782 | ||
969f7ed3 JA |
783 | static void fill_crc16(struct verify_header *hdr, void *p, unsigned int len) |
784 | { | |
546dfd9f JA |
785 | struct vhdr_crc16 *vh = hdr_priv(hdr); |
786 | ||
787 | vh->crc16 = crc16(p, len); | |
969f7ed3 JA |
788 | } |
789 | ||
e29d1b70 JA |
790 | static void fill_crc32(struct verify_header *hdr, void *p, unsigned int len) |
791 | { | |
546dfd9f JA |
792 | struct vhdr_crc32 *vh = hdr_priv(hdr); |
793 | ||
794 | vh->crc32 = crc32(p, len); | |
e29d1b70 JA |
795 | } |
796 | ||
bac39e0e JA |
797 | static void fill_crc32c(struct verify_header *hdr, void *p, unsigned int len) |
798 | { | |
799 | struct vhdr_crc32 *vh = hdr_priv(hdr); | |
800 | ||
3845591f JA |
801 | if (hdr->verify_type == VERIFY_CRC32C_INTEL) |
802 | vh->crc32 = crc32c_intel(p, len); | |
803 | else | |
804 | vh->crc32 = crc32c(p, len); | |
bac39e0e JA |
805 | } |
806 | ||
d77a7af3 JA |
807 | static void fill_crc64(struct verify_header *hdr, void *p, unsigned int len) |
808 | { | |
546dfd9f JA |
809 | struct vhdr_crc64 *vh = hdr_priv(hdr); |
810 | ||
811 | vh->crc64 = crc64(p, len); | |
d77a7af3 JA |
812 | } |
813 | ||
e29d1b70 JA |
814 | static void fill_md5(struct verify_header *hdr, void *p, unsigned int len) |
815 | { | |
546dfd9f | 816 | struct vhdr_md5 *vh = hdr_priv(hdr); |
8c432325 | 817 | struct md5_ctx md5_ctx = { |
546dfd9f | 818 | .hash = (uint32_t *) vh->md5_digest, |
8c432325 | 819 | }; |
e29d1b70 | 820 | |
61f821f1 | 821 | md5_init(&md5_ctx); |
e29d1b70 | 822 | md5_update(&md5_ctx, p, len); |
e29d1b70 JA |
823 | } |
824 | ||
7d9fb455 JA |
825 | static void populate_hdr(struct thread_data *td, struct io_u *io_u, |
826 | struct verify_header *hdr, unsigned int header_num, | |
827 | unsigned int header_len) | |
828 | { | |
829 | unsigned int data_len; | |
830 | void *data, *p; | |
831 | ||
832 | p = (void *) hdr; | |
833 | ||
834 | hdr->fio_magic = FIO_HDR_MAGIC; | |
835 | hdr->len = header_len; | |
836 | hdr->verify_type = td->o.verify; | |
837 | hdr->rand_seed = io_u->rand_seed; | |
838 | data_len = header_len - hdr_size(hdr); | |
839 | ||
840 | data = p + hdr_size(hdr); | |
841 | switch (td->o.verify) { | |
842 | case VERIFY_MD5: | |
843 | dprint(FD_VERIFY, "fill md5 io_u %p, len %u\n", | |
844 | io_u, hdr->len); | |
845 | fill_md5(hdr, data, data_len); | |
846 | break; | |
847 | case VERIFY_CRC64: | |
848 | dprint(FD_VERIFY, "fill crc64 io_u %p, len %u\n", | |
849 | io_u, hdr->len); | |
850 | fill_crc64(hdr, data, data_len); | |
851 | break; | |
852 | case VERIFY_CRC32C: | |
853 | case VERIFY_CRC32C_INTEL: | |
854 | dprint(FD_VERIFY, "fill crc32c io_u %p, len %u\n", | |
855 | io_u, hdr->len); | |
856 | fill_crc32c(hdr, data, data_len); | |
857 | break; | |
858 | case VERIFY_CRC32: | |
859 | dprint(FD_VERIFY, "fill crc32 io_u %p, len %u\n", | |
860 | io_u, hdr->len); | |
861 | fill_crc32(hdr, data, data_len); | |
862 | break; | |
863 | case VERIFY_CRC16: | |
864 | dprint(FD_VERIFY, "fill crc16 io_u %p, len %u\n", | |
865 | io_u, hdr->len); | |
866 | fill_crc16(hdr, data, data_len); | |
867 | break; | |
868 | case VERIFY_CRC7: | |
869 | dprint(FD_VERIFY, "fill crc7 io_u %p, len %u\n", | |
870 | io_u, hdr->len); | |
871 | fill_crc7(hdr, data, data_len); | |
872 | break; | |
873 | case VERIFY_SHA256: | |
874 | dprint(FD_VERIFY, "fill sha256 io_u %p, len %u\n", | |
875 | io_u, hdr->len); | |
876 | fill_sha256(hdr, data, data_len); | |
877 | break; | |
878 | case VERIFY_SHA512: | |
879 | dprint(FD_VERIFY, "fill sha512 io_u %p, len %u\n", | |
880 | io_u, hdr->len); | |
881 | fill_sha512(hdr, data, data_len); | |
882 | break; | |
883 | case VERIFY_META: | |
884 | dprint(FD_VERIFY, "fill meta io_u %p, len %u\n", | |
885 | io_u, hdr->len); | |
886 | fill_meta(hdr, td, io_u, header_num); | |
887 | break; | |
888 | case VERIFY_SHA1: | |
889 | dprint(FD_VERIFY, "fill sha1 io_u %p, len %u\n", | |
890 | io_u, hdr->len); | |
891 | fill_sha1(hdr, data, data_len); | |
892 | break; | |
92bf48d5 JA |
893 | case VERIFY_PATTERN: |
894 | /* nothing to do here */ | |
895 | break; | |
7d9fb455 JA |
896 | default: |
897 | log_err("fio: bad verify type: %d\n", td->o.verify); | |
898 | assert(0); | |
899 | } | |
900 | if (td->o.verify_offset) | |
901 | memswp(p, p + td->o.verify_offset, hdr_size(hdr)); | |
902 | } | |
903 | ||
e29d1b70 JA |
904 | /* |
905 | * fill body of io_u->buf with random data and add a header with the | |
c50ca7bd | 906 | * checksum of choice |
e29d1b70 JA |
907 | */ |
908 | void populate_verify_io_u(struct thread_data *td, struct io_u *io_u) | |
909 | { | |
9cc3d150 JA |
910 | if (td->o.verify == VERIFY_NULL) |
911 | return; | |
912 | ||
c50ca7bd | 913 | fill_pattern_headers(td, io_u, 0, 0); |
e29d1b70 JA |
914 | } |
915 | ||
916 | int get_next_verify(struct thread_data *td, struct io_u *io_u) | |
917 | { | |
8de8f047 | 918 | struct io_piece *ipo = NULL; |
e29d1b70 | 919 | |
d2d7fa53 JA |
920 | /* |
921 | * this io_u is from a requeue, we already filled the offsets | |
922 | */ | |
923 | if (io_u->file) | |
924 | return 0; | |
925 | ||
8de8f047 JA |
926 | if (!RB_EMPTY_ROOT(&td->io_hist_tree)) { |
927 | struct rb_node *n = rb_first(&td->io_hist_tree); | |
e29d1b70 | 928 | |
8de8f047 | 929 | ipo = rb_entry(n, struct io_piece, rb_node); |
4b87898e | 930 | rb_erase(n, &td->io_hist_tree); |
a917a8b3 JA |
931 | assert(ipo->flags & IP_F_ONRB); |
932 | ipo->flags &= ~IP_F_ONRB; | |
01743ee1 JA |
933 | } else if (!flist_empty(&td->io_hist_list)) { |
934 | ipo = flist_entry(td->io_hist_list.next, struct io_piece, list); | |
935 | flist_del(&ipo->list); | |
a917a8b3 JA |
936 | assert(ipo->flags & IP_F_ONLIST); |
937 | ipo->flags &= ~IP_F_ONLIST; | |
8de8f047 | 938 | } |
e29d1b70 | 939 | |
8de8f047 | 940 | if (ipo) { |
0d29de83 JA |
941 | td->io_hist_len--; |
942 | ||
e29d1b70 JA |
943 | io_u->offset = ipo->offset; |
944 | io_u->buflen = ipo->len; | |
36167d82 | 945 | io_u->file = ipo->file; |
97af62ce | 946 | |
0d29de83 JA |
947 | if (ipo->flags & IP_F_TRIMMED) |
948 | io_u->flags |= IO_U_F_TRIMMED; | |
949 | ||
d6aed795 | 950 | if (!fio_file_open(io_u->file)) { |
97af62ce JA |
951 | int r = td_io_open_file(td, io_u->file); |
952 | ||
bd6f78b2 JA |
953 | if (r) { |
954 | dprint(FD_VERIFY, "failed file %s open\n", | |
955 | io_u->file->file_name); | |
97af62ce | 956 | return 1; |
bd6f78b2 | 957 | } |
97af62ce JA |
958 | } |
959 | ||
960 | get_file(ipo->file); | |
d6aed795 | 961 | assert(fio_file_open(io_u->file)); |
e29d1b70 | 962 | io_u->ddir = DDIR_READ; |
36167d82 JA |
963 | io_u->xfer_buf = io_u->buf; |
964 | io_u->xfer_buflen = io_u->buflen; | |
0d29de83 JA |
965 | |
966 | remove_trim_entry(td, ipo); | |
e29d1b70 | 967 | free(ipo); |
bd6f78b2 | 968 | dprint(FD_VERIFY, "get_next_verify: ret io_u %p\n", io_u); |
e29d1b70 JA |
969 | return 0; |
970 | } | |
971 | ||
bd6f78b2 | 972 | dprint(FD_VERIFY, "get_next_verify: empty\n"); |
e29d1b70 JA |
973 | return 1; |
974 | } | |
e8462bd8 JA |
975 | |
976 | static void *verify_async_thread(void *data) | |
977 | { | |
978 | struct thread_data *td = data; | |
979 | struct io_u *io_u; | |
980 | int ret = 0; | |
981 | ||
982 | if (td->o.verify_cpumask_set && | |
983 | fio_setaffinity(td->pid, td->o.verify_cpumask)) { | |
984 | log_err("fio: failed setting verify thread affinity\n"); | |
985 | goto done; | |
986 | } | |
987 | ||
988 | do { | |
e53ab27c JA |
989 | FLIST_HEAD(list); |
990 | ||
e8462bd8 JA |
991 | read_barrier(); |
992 | if (td->verify_thread_exit) | |
993 | break; | |
994 | ||
995 | pthread_mutex_lock(&td->io_u_lock); | |
996 | ||
997 | while (flist_empty(&td->verify_list) && | |
998 | !td->verify_thread_exit) { | |
b36e298b JA |
999 | ret = pthread_cond_wait(&td->verify_cond, |
1000 | &td->io_u_lock); | |
e8462bd8 JA |
1001 | if (ret) { |
1002 | pthread_mutex_unlock(&td->io_u_lock); | |
1003 | break; | |
1004 | } | |
1005 | } | |
1006 | ||
e53ab27c JA |
1007 | flist_splice_init(&td->verify_list, &list); |
1008 | pthread_mutex_unlock(&td->io_u_lock); | |
1009 | ||
1010 | if (flist_empty(&list)) | |
e8462bd8 | 1011 | continue; |
e8462bd8 | 1012 | |
e53ab27c JA |
1013 | while (!flist_empty(&list)) { |
1014 | io_u = flist_entry(list.next, struct io_u, list); | |
1015 | flist_del_init(&io_u->list); | |
e8462bd8 | 1016 | |
d561f2ab | 1017 | ret = verify_io_u(td, io_u); |
e53ab27c | 1018 | put_io_u(td, io_u); |
d561f2ab JA |
1019 | if (!ret) |
1020 | continue; | |
06842027 | 1021 | if (td->o.continue_on_error & ERROR_TYPE_VERIFY && |
d561f2ab JA |
1022 | td_non_fatal_error(ret)) { |
1023 | update_error_count(td, ret); | |
1024 | td_clear_error(td); | |
1025 | ret = 0; | |
1026 | } | |
e53ab27c | 1027 | } |
e8462bd8 JA |
1028 | } while (!ret); |
1029 | ||
d561f2ab JA |
1030 | if (ret) { |
1031 | td_verror(td, ret, "async_verify"); | |
f3e6cb95 JA |
1032 | if (td->o.verify_fatal) |
1033 | td->terminate = 1; | |
d561f2ab JA |
1034 | } |
1035 | ||
e8462bd8 JA |
1036 | done: |
1037 | pthread_mutex_lock(&td->io_u_lock); | |
1038 | td->nr_verify_threads--; | |
1039 | pthread_mutex_unlock(&td->io_u_lock); | |
1040 | ||
1041 | pthread_cond_signal(&td->free_cond); | |
1042 | return NULL; | |
1043 | } | |
1044 | ||
1045 | int verify_async_init(struct thread_data *td) | |
1046 | { | |
1047 | int i, ret; | |
304a47c7 VA |
1048 | pthread_attr_t attr; |
1049 | ||
1050 | pthread_attr_init(&attr); | |
1051 | pthread_attr_setstacksize(&attr, PTHREAD_STACK_MIN); | |
e8462bd8 JA |
1052 | |
1053 | td->verify_thread_exit = 0; | |
1054 | ||
1055 | td->verify_threads = malloc(sizeof(pthread_t) * td->o.verify_async); | |
1056 | for (i = 0; i < td->o.verify_async; i++) { | |
304a47c7 | 1057 | ret = pthread_create(&td->verify_threads[i], &attr, |
e8462bd8 JA |
1058 | verify_async_thread, td); |
1059 | if (ret) { | |
1060 | log_err("fio: async verify creation failed: %s\n", | |
1061 | strerror(ret)); | |
1062 | break; | |
1063 | } | |
1064 | ret = pthread_detach(td->verify_threads[i]); | |
1065 | if (ret) { | |
1066 | log_err("fio: async verify thread detach failed: %s\n", | |
1067 | strerror(ret)); | |
1068 | break; | |
1069 | } | |
1070 | td->nr_verify_threads++; | |
1071 | } | |
1072 | ||
304a47c7 VA |
1073 | pthread_attr_destroy(&attr); |
1074 | ||
e8462bd8 | 1075 | if (i != td->o.verify_async) { |
e40823b1 | 1076 | log_err("fio: only %d verify threads started, exiting\n", i); |
e8462bd8 JA |
1077 | td->verify_thread_exit = 1; |
1078 | write_barrier(); | |
1079 | pthread_cond_broadcast(&td->verify_cond); | |
1080 | return 1; | |
1081 | } | |
1082 | ||
1083 | return 0; | |
1084 | } | |
1085 | ||
1086 | void verify_async_exit(struct thread_data *td) | |
1087 | { | |
1088 | td->verify_thread_exit = 1; | |
1089 | write_barrier(); | |
1090 | pthread_cond_broadcast(&td->verify_cond); | |
1091 | ||
1092 | pthread_mutex_lock(&td->io_u_lock); | |
1093 | ||
1094 | while (td->nr_verify_threads) | |
1095 | pthread_cond_wait(&td->free_cond, &td->io_u_lock); | |
1096 | ||
1097 | pthread_mutex_unlock(&td->io_u_lock); | |
1098 | free(td->verify_threads); | |
1099 | td->verify_threads = NULL; | |
1100 | } |