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> |
e29d1b70 JA |
9 | |
10 | #include "fio.h" | |
4f5af7b2 | 11 | #include "verify.h" |
e8462bd8 | 12 | #include "smalloc.h" |
0d29de83 | 13 | #include "trim.h" |
637ef8d9 | 14 | #include "lib/rand.h" |
e29d1b70 | 15 | |
eef6eea1 JA |
16 | #include "crc/md5.h" |
17 | #include "crc/crc64.h" | |
18 | #include "crc/crc32.h" | |
bac39e0e | 19 | #include "crc/crc32c.h" |
eef6eea1 JA |
20 | #include "crc/crc16.h" |
21 | #include "crc/crc7.h" | |
22 | #include "crc/sha256.h" | |
23 | #include "crc/sha512.h" | |
7c353ceb | 24 | #include "crc/sha1.h" |
cd14cc10 | 25 | |
7d9fb455 JA |
26 | static void populate_hdr(struct thread_data *td, struct io_u *io_u, |
27 | struct verify_header *hdr, unsigned int header_num, | |
28 | unsigned int header_len); | |
29 | ||
30 | 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 |
31 | { |
32 | switch (td->o.verify_pattern_bytes) { | |
33 | case 0: | |
bd6f78b2 | 34 | dprint(FD_VERIFY, "fill random bytes len=%u\n", len); |
7d9fb455 JA |
35 | if (use_seed) |
36 | __fill_random_buf(p, len, seed); | |
37 | else | |
38 | io_u->rand_seed = fill_random_buf(p, len); | |
90059d65 JA |
39 | break; |
40 | case 1: | |
10e8a7b3 | 41 | if (io_u->buf_filled_len >= len) { |
cbe8d756 RR |
42 | dprint(FD_VERIFY, "using already filled verify pattern b=0 len=%u\n", len); |
43 | return; | |
44 | } | |
bd6f78b2 | 45 | dprint(FD_VERIFY, "fill verify pattern b=0 len=%u\n", len); |
0e92f873 | 46 | memset(p, td->o.verify_pattern[0], len); |
cbe8d756 | 47 | io_u->buf_filled_len = len; |
90059d65 | 48 | break; |
0e92f873 RR |
49 | default: { |
50 | unsigned int i = 0, size = 0; | |
90059d65 JA |
51 | unsigned char *b = p; |
52 | ||
10e8a7b3 | 53 | if (io_u->buf_filled_len >= len) { |
cbe8d756 RR |
54 | dprint(FD_VERIFY, "using already filled verify pattern b=%d len=%u\n", |
55 | td->o.verify_pattern_bytes, len); | |
56 | return; | |
57 | } | |
bd6f78b2 JA |
58 | dprint(FD_VERIFY, "fill verify pattern b=%d len=%u\n", |
59 | td->o.verify_pattern_bytes, len); | |
60 | ||
90059d65 | 61 | while (i < len) { |
0e92f873 RR |
62 | size = td->o.verify_pattern_bytes; |
63 | if (size > (len - i)) | |
64 | size = len - i; | |
65 | memcpy(b+i, td->o.verify_pattern, size); | |
66 | i += size; | |
90059d65 | 67 | } |
cbe8d756 | 68 | io_u->buf_filled_len = len; |
90059d65 JA |
69 | break; |
70 | } | |
71 | } | |
72 | } | |
73 | ||
c50ca7bd JA |
74 | static void fill_pattern_headers(struct thread_data *td, struct io_u *io_u, |
75 | unsigned long seed, int use_seed) | |
76 | { | |
77 | unsigned int hdr_inc, header_num; | |
78 | struct verify_header *hdr; | |
79 | void *p = io_u->buf; | |
80 | ||
81 | fill_pattern(td, p, io_u->buflen, io_u, seed, use_seed); | |
82 | ||
83 | hdr_inc = io_u->buflen; | |
84 | if (td->o.verify_interval) | |
85 | hdr_inc = td->o.verify_interval; | |
86 | ||
87 | header_num = 0; | |
88 | for (; p < io_u->buf + io_u->buflen; p += hdr_inc) { | |
89 | hdr = p; | |
90 | populate_hdr(td, io_u, hdr, header_num, hdr_inc); | |
91 | header_num++; | |
92 | } | |
93 | } | |
94 | ||
4764aec9 | 95 | static void memswp(void *buf1, void *buf2, unsigned int len) |
546a9142 | 96 | { |
dee6de74 SL |
97 | char swap[200]; |
98 | ||
99 | assert(len <= sizeof(swap)); | |
90059d65 | 100 | |
546a9142 SL |
101 | memcpy(&swap, buf1, len); |
102 | memcpy(buf1, buf2, len); | |
103 | memcpy(buf2, &swap, len); | |
104 | } | |
105 | ||
e29d1b70 JA |
106 | static void hexdump(void *buffer, int len) |
107 | { | |
108 | unsigned char *p = buffer; | |
109 | int i; | |
110 | ||
111 | for (i = 0; i < len; i++) | |
bfacf389 JA |
112 | log_err("%02x", p[i]); |
113 | log_err("\n"); | |
e29d1b70 JA |
114 | } |
115 | ||
87677832 JA |
116 | /* |
117 | * Prepare for seperation of verify_header and checksum header | |
118 | */ | |
546dfd9f | 119 | static inline unsigned int __hdr_size(int verify_type) |
87677832 | 120 | { |
03e20d68 | 121 | unsigned int len = 0; |
87677832 | 122 | |
546dfd9f JA |
123 | switch (verify_type) { |
124 | case VERIFY_NONE: | |
125 | case VERIFY_NULL: | |
126 | len = 0; | |
127 | break; | |
128 | case VERIFY_MD5: | |
129 | len = sizeof(struct vhdr_md5); | |
130 | break; | |
131 | case VERIFY_CRC64: | |
132 | len = sizeof(struct vhdr_crc64); | |
133 | break; | |
bac39e0e | 134 | case VERIFY_CRC32C: |
546dfd9f | 135 | case VERIFY_CRC32: |
3845591f | 136 | case VERIFY_CRC32C_INTEL: |
546dfd9f JA |
137 | len = sizeof(struct vhdr_crc32); |
138 | break; | |
139 | case VERIFY_CRC16: | |
140 | len = sizeof(struct vhdr_crc16); | |
141 | break; | |
142 | case VERIFY_CRC7: | |
143 | len = sizeof(struct vhdr_crc7); | |
144 | break; | |
145 | case VERIFY_SHA256: | |
146 | len = sizeof(struct vhdr_sha256); | |
147 | break; | |
148 | case VERIFY_SHA512: | |
149 | len = sizeof(struct vhdr_sha512); | |
150 | break; | |
7437ee87 SL |
151 | case VERIFY_META: |
152 | len = sizeof(struct vhdr_meta); | |
153 | break; | |
7c353ceb JA |
154 | case VERIFY_SHA1: |
155 | len = sizeof(struct vhdr_sha1); | |
156 | break; | |
546dfd9f JA |
157 | default: |
158 | log_err("fio: unknown verify header!\n"); | |
159 | assert(0); | |
160 | } | |
161 | ||
162 | return len + sizeof(struct verify_header); | |
87677832 JA |
163 | } |
164 | ||
165 | static inline unsigned int hdr_size(struct verify_header *hdr) | |
166 | { | |
546dfd9f JA |
167 | return __hdr_size(hdr->verify_type); |
168 | } | |
169 | ||
170 | static void *hdr_priv(struct verify_header *hdr) | |
171 | { | |
172 | void *priv = hdr; | |
173 | ||
174 | return priv + sizeof(struct verify_header); | |
87677832 JA |
175 | } |
176 | ||
936216f8 JA |
177 | /* |
178 | * Verify container, pass info to verify handlers and allow them to | |
179 | * pass info back in case of error | |
180 | */ | |
181 | struct vcont { | |
182 | /* | |
183 | * Input | |
184 | */ | |
185 | struct io_u *io_u; | |
186 | unsigned int hdr_num; | |
7d9fb455 | 187 | struct thread_data *td; |
936216f8 JA |
188 | |
189 | /* | |
190 | * Output, only valid in case of error | |
191 | */ | |
bfacf389 JA |
192 | const char *name; |
193 | void *good_crc; | |
194 | void *bad_crc; | |
936216f8 JA |
195 | unsigned int crc_len; |
196 | }; | |
197 | ||
c50ca7bd JA |
198 | static void dump_buf(char *buf, unsigned int len, unsigned long long offset, |
199 | const char *type, struct fio_file *f) | |
7d9fb455 | 200 | { |
c50ca7bd | 201 | char fname[256]; |
7d9fb455 JA |
202 | int ret, fd; |
203 | ||
c50ca7bd JA |
204 | strcpy(fname, f->file_name); |
205 | basename(fname); | |
206 | ||
207 | sprintf(fname + strlen(fname), ".%llu.%s", offset, type); | |
7d9fb455 JA |
208 | |
209 | fd = open(fname, O_CREAT | O_TRUNC | O_WRONLY, 0644); | |
210 | if (fd < 0) { | |
211 | perror("open verify buf file"); | |
212 | return; | |
213 | } | |
214 | ||
215 | while (len) { | |
216 | ret = write(fd, buf, len); | |
217 | if (!ret) | |
218 | break; | |
219 | else if (ret < 0) { | |
220 | perror("write verify buf file"); | |
221 | break; | |
222 | } | |
223 | len -= ret; | |
224 | buf += ret; | |
225 | } | |
226 | ||
227 | close(fd); | |
c50ca7bd | 228 | log_err(" %s data dumped as %s\n", type, fname); |
7d9fb455 JA |
229 | } |
230 | ||
c50ca7bd JA |
231 | /* |
232 | * Dump the contents of the read block and re-generate the correct data | |
233 | * and dump that too. | |
234 | */ | |
7d9fb455 JA |
235 | static void dump_verify_buffers(struct verify_header *hdr, struct vcont *vc) |
236 | { | |
237 | struct thread_data *td = vc->td; | |
238 | struct io_u *io_u = vc->io_u; | |
239 | unsigned long hdr_offset; | |
7d9fb455 | 240 | struct io_u dummy; |
c50ca7bd | 241 | void *buf; |
7d9fb455 | 242 | |
c50ca7bd JA |
243 | /* |
244 | * Dump the contents we just read off disk | |
245 | */ | |
7d9fb455 JA |
246 | hdr_offset = vc->hdr_num * hdr->len; |
247 | ||
c50ca7bd JA |
248 | dump_buf(io_u->buf + hdr_offset, hdr->len, io_u->offset + hdr_offset, |
249 | "received", vc->io_u->file); | |
7d9fb455 | 250 | |
c50ca7bd JA |
251 | /* |
252 | * Allocate a new buf and re-generate the original data | |
253 | */ | |
254 | buf = malloc(io_u->buflen); | |
7d9fb455 | 255 | dummy = *io_u; |
c50ca7bd | 256 | dummy.buf = buf; |
4aae38a6 | 257 | dummy.rand_seed = hdr->rand_seed; |
7d9fb455 | 258 | |
c50ca7bd | 259 | fill_pattern_headers(td, &dummy, hdr->rand_seed, 1); |
7d9fb455 | 260 | |
c50ca7bd JA |
261 | dump_buf(buf + hdr_offset, hdr->len, io_u->offset + hdr_offset, |
262 | "expected", vc->io_u->file); | |
7d9fb455 JA |
263 | free(buf); |
264 | } | |
265 | ||
bfacf389 JA |
266 | static void log_verify_failure(struct verify_header *hdr, struct vcont *vc) |
267 | { | |
268 | unsigned long long offset; | |
269 | ||
270 | offset = vc->io_u->offset; | |
271 | offset += vc->hdr_num * hdr->len; | |
32c17adf JA |
272 | log_err("%.8s: verify failed at file %s offset %llu, length %u\n", |
273 | vc->name, vc->io_u->file->file_name, offset, hdr->len); | |
bfacf389 JA |
274 | |
275 | if (vc->good_crc && vc->bad_crc) { | |
276 | log_err(" Expected CRC: "); | |
277 | hexdump(vc->good_crc, vc->crc_len); | |
278 | log_err(" Received CRC: "); | |
279 | hexdump(vc->bad_crc, vc->crc_len); | |
280 | } | |
7d9fb455 JA |
281 | |
282 | dump_verify_buffers(hdr, vc); | |
bfacf389 JA |
283 | } |
284 | ||
d9f2caf3 JA |
285 | /* |
286 | * Return data area 'header_num' | |
287 | */ | |
936216f8 | 288 | static inline void *io_u_verify_off(struct verify_header *hdr, struct vcont *vc) |
d9f2caf3 | 289 | { |
936216f8 | 290 | return vc->io_u->buf + vc->hdr_num * hdr->len + hdr_size(hdr); |
d9f2caf3 JA |
291 | } |
292 | ||
7437ee87 | 293 | static int verify_io_u_meta(struct verify_header *hdr, struct thread_data *td, |
936216f8 | 294 | struct vcont *vc) |
7437ee87 SL |
295 | { |
296 | struct vhdr_meta *vh = hdr_priv(hdr); | |
936216f8 | 297 | struct io_u *io_u = vc->io_u; |
7437ee87 | 298 | |
bd6f78b2 JA |
299 | dprint(FD_VERIFY, "meta verify io_u %p, len %u\n", io_u, hdr->len); |
300 | ||
bfacf389 JA |
301 | if (vh->offset == io_u->offset + vc->hdr_num * td->o.verify_interval) |
302 | return 0; | |
7437ee87 | 303 | |
bfacf389 JA |
304 | vc->name = "meta"; |
305 | log_verify_failure(hdr, vc); | |
306 | return EILSEQ; | |
7437ee87 SL |
307 | } |
308 | ||
936216f8 | 309 | static int verify_io_u_sha512(struct verify_header *hdr, struct vcont *vc) |
cd14cc10 | 310 | { |
936216f8 | 311 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 312 | struct vhdr_sha512 *vh = hdr_priv(hdr); |
cd14cc10 JA |
313 | uint8_t sha512[128]; |
314 | struct sha512_ctx sha512_ctx = { | |
315 | .buf = sha512, | |
316 | }; | |
317 | ||
936216f8 | 318 | dprint(FD_VERIFY, "sha512 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 319 | |
cd14cc10 | 320 | sha512_init(&sha512_ctx); |
87677832 | 321 | sha512_update(&sha512_ctx, p, hdr->len - hdr_size(hdr)); |
cd14cc10 | 322 | |
bfacf389 JA |
323 | if (!memcmp(vh->sha512, sha512_ctx.buf, sizeof(sha512))) |
324 | return 0; | |
cd14cc10 | 325 | |
bfacf389 JA |
326 | vc->name = "sha512"; |
327 | vc->good_crc = vh->sha512; | |
328 | vc->bad_crc = sha512_ctx.buf; | |
329 | vc->crc_len = sizeof(vh->sha512); | |
330 | log_verify_failure(hdr, vc); | |
331 | return EILSEQ; | |
cd14cc10 JA |
332 | } |
333 | ||
936216f8 | 334 | static int verify_io_u_sha256(struct verify_header *hdr, struct vcont *vc) |
cd14cc10 | 335 | { |
936216f8 | 336 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 337 | struct vhdr_sha256 *vh = hdr_priv(hdr); |
bc77f56f | 338 | uint8_t sha256[64]; |
cd14cc10 JA |
339 | struct sha256_ctx sha256_ctx = { |
340 | .buf = sha256, | |
341 | }; | |
342 | ||
936216f8 | 343 | dprint(FD_VERIFY, "sha256 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 344 | |
cd14cc10 | 345 | sha256_init(&sha256_ctx); |
87677832 | 346 | sha256_update(&sha256_ctx, p, hdr->len - hdr_size(hdr)); |
cd14cc10 | 347 | |
bfacf389 JA |
348 | if (!memcmp(vh->sha256, sha256_ctx.buf, sizeof(sha256))) |
349 | return 0; | |
cd14cc10 | 350 | |
bfacf389 JA |
351 | vc->name = "sha256"; |
352 | vc->good_crc = vh->sha256; | |
353 | vc->bad_crc = sha256_ctx.buf; | |
354 | vc->crc_len = sizeof(vh->sha256); | |
355 | log_verify_failure(hdr, vc); | |
356 | return EILSEQ; | |
cd14cc10 JA |
357 | } |
358 | ||
936216f8 | 359 | static int verify_io_u_sha1(struct verify_header *hdr, struct vcont *vc) |
7c353ceb | 360 | { |
936216f8 | 361 | void *p = io_u_verify_off(hdr, vc); |
7c353ceb JA |
362 | struct vhdr_sha1 *vh = hdr_priv(hdr); |
363 | uint32_t sha1[5]; | |
364 | struct sha1_ctx sha1_ctx = { | |
365 | .H = sha1, | |
366 | }; | |
367 | ||
936216f8 | 368 | dprint(FD_VERIFY, "sha1 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
7c353ceb JA |
369 | |
370 | sha1_init(&sha1_ctx); | |
371 | sha1_update(&sha1_ctx, p, hdr->len - hdr_size(hdr)); | |
372 | ||
bfacf389 JA |
373 | if (!memcmp(vh->sha1, sha1_ctx.H, sizeof(sha1))) |
374 | return 0; | |
7c353ceb | 375 | |
bfacf389 JA |
376 | vc->name = "sha1"; |
377 | vc->good_crc = vh->sha1; | |
378 | vc->bad_crc = sha1_ctx.H; | |
379 | vc->crc_len = sizeof(vh->sha1); | |
380 | log_verify_failure(hdr, vc); | |
381 | return EILSEQ; | |
7c353ceb JA |
382 | } |
383 | ||
936216f8 | 384 | static int verify_io_u_crc7(struct verify_header *hdr, struct vcont *vc) |
1e154bdb | 385 | { |
936216f8 | 386 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 387 | struct vhdr_crc7 *vh = hdr_priv(hdr); |
1e154bdb JA |
388 | unsigned char c; |
389 | ||
936216f8 | 390 | dprint(FD_VERIFY, "crc7 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 391 | |
87677832 | 392 | c = crc7(p, hdr->len - hdr_size(hdr)); |
1e154bdb | 393 | |
bfacf389 JA |
394 | if (c == vh->crc7) |
395 | return 0; | |
1e154bdb | 396 | |
bfacf389 JA |
397 | vc->name = "crc7"; |
398 | vc->good_crc = &vh->crc7; | |
399 | vc->bad_crc = &c; | |
400 | vc->crc_len = 1; | |
401 | log_verify_failure(hdr, vc); | |
402 | return EILSEQ; | |
1e154bdb JA |
403 | } |
404 | ||
936216f8 | 405 | static int verify_io_u_crc16(struct verify_header *hdr, struct vcont *vc) |
969f7ed3 | 406 | { |
936216f8 | 407 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 408 | struct vhdr_crc16 *vh = hdr_priv(hdr); |
969f7ed3 JA |
409 | unsigned short c; |
410 | ||
936216f8 | 411 | dprint(FD_VERIFY, "crc16 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 412 | |
87677832 | 413 | c = crc16(p, hdr->len - hdr_size(hdr)); |
969f7ed3 | 414 | |
bfacf389 JA |
415 | if (c == vh->crc16) |
416 | return 0; | |
969f7ed3 | 417 | |
bfacf389 JA |
418 | vc->name = "crc16"; |
419 | vc->good_crc = &vh->crc16; | |
420 | vc->bad_crc = &c; | |
421 | vc->crc_len = 2; | |
422 | log_verify_failure(hdr, vc); | |
423 | return EILSEQ; | |
969f7ed3 JA |
424 | } |
425 | ||
936216f8 | 426 | static int verify_io_u_crc64(struct verify_header *hdr, struct vcont *vc) |
d77a7af3 | 427 | { |
936216f8 | 428 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 429 | struct vhdr_crc64 *vh = hdr_priv(hdr); |
d77a7af3 JA |
430 | unsigned long long c; |
431 | ||
936216f8 | 432 | dprint(FD_VERIFY, "crc64 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 433 | |
87677832 | 434 | c = crc64(p, hdr->len - hdr_size(hdr)); |
d77a7af3 | 435 | |
bfacf389 JA |
436 | if (c == vh->crc64) |
437 | return 0; | |
d77a7af3 | 438 | |
bfacf389 JA |
439 | vc->name = "crc64"; |
440 | vc->good_crc = &vh->crc64; | |
441 | vc->bad_crc = &c; | |
442 | vc->crc_len = 8; | |
443 | log_verify_failure(hdr, vc); | |
444 | return EILSEQ; | |
d77a7af3 JA |
445 | } |
446 | ||
936216f8 | 447 | static int verify_io_u_crc32(struct verify_header *hdr, struct vcont *vc) |
e29d1b70 | 448 | { |
936216f8 | 449 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f JA |
450 | struct vhdr_crc32 *vh = hdr_priv(hdr); |
451 | uint32_t c; | |
e29d1b70 | 452 | |
936216f8 | 453 | dprint(FD_VERIFY, "crc32 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 454 | |
87677832 | 455 | c = crc32(p, hdr->len - hdr_size(hdr)); |
e29d1b70 | 456 | |
bfacf389 JA |
457 | if (c == vh->crc32) |
458 | return 0; | |
e29d1b70 | 459 | |
bfacf389 JA |
460 | vc->name = "crc32"; |
461 | vc->good_crc = &vh->crc32; | |
462 | vc->bad_crc = &c; | |
463 | vc->crc_len = 4; | |
464 | log_verify_failure(hdr, vc); | |
465 | return EILSEQ; | |
e29d1b70 JA |
466 | } |
467 | ||
936216f8 | 468 | static int verify_io_u_crc32c(struct verify_header *hdr, struct vcont *vc) |
bac39e0e | 469 | { |
936216f8 | 470 | void *p = io_u_verify_off(hdr, vc); |
bac39e0e JA |
471 | struct vhdr_crc32 *vh = hdr_priv(hdr); |
472 | uint32_t c; | |
473 | ||
936216f8 | 474 | dprint(FD_VERIFY, "crc32c verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bac39e0e | 475 | |
3845591f JA |
476 | if (hdr->verify_type == VERIFY_CRC32C_INTEL) |
477 | c = crc32c_intel(p, hdr->len - hdr_size(hdr)); | |
478 | else | |
479 | c = crc32c(p, hdr->len - hdr_size(hdr)); | |
bac39e0e | 480 | |
bfacf389 JA |
481 | if (c == vh->crc32) |
482 | return 0; | |
bac39e0e | 483 | |
bfacf389 JA |
484 | vc->name = "crc32c"; |
485 | vc->good_crc = &vh->crc32; | |
486 | vc->bad_crc = &c; | |
487 | vc->crc_len = 4; | |
488 | log_verify_failure(hdr, vc); | |
489 | return EILSEQ; | |
bac39e0e JA |
490 | } |
491 | ||
936216f8 | 492 | static int verify_io_u_md5(struct verify_header *hdr, struct vcont *vc) |
e29d1b70 | 493 | { |
936216f8 | 494 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 495 | struct vhdr_md5 *vh = hdr_priv(hdr); |
8c432325 JA |
496 | uint32_t hash[MD5_HASH_WORDS]; |
497 | struct md5_ctx md5_ctx = { | |
498 | .hash = hash, | |
499 | }; | |
e29d1b70 | 500 | |
936216f8 | 501 | dprint(FD_VERIFY, "md5 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 502 | |
61f821f1 | 503 | md5_init(&md5_ctx); |
87677832 | 504 | md5_update(&md5_ctx, p, hdr->len - hdr_size(hdr)); |
e29d1b70 | 505 | |
bfacf389 JA |
506 | if (!memcmp(vh->md5_digest, md5_ctx.hash, sizeof(hash))) |
507 | return 0; | |
e29d1b70 | 508 | |
bfacf389 JA |
509 | vc->name = "md5"; |
510 | vc->good_crc = vh->md5_digest; | |
511 | vc->bad_crc = md5_ctx.hash; | |
512 | vc->crc_len = sizeof(hash); | |
513 | log_verify_failure(hdr, vc); | |
514 | return EILSEQ; | |
e29d1b70 JA |
515 | } |
516 | ||
3f199b01 JA |
517 | static unsigned int hweight8(unsigned int w) |
518 | { | |
519 | unsigned int res = w - ((w >> 1) & 0x55); | |
520 | ||
521 | res = (res & 0x33) + ((res >> 2) & 0x33); | |
522 | return (res + (res >> 4)) & 0x0F; | |
523 | } | |
524 | ||
0e92f873 | 525 | int verify_io_u_pattern(char *pattern, unsigned long pattern_size, |
5ec10eaa | 526 | char *buf, unsigned int len, unsigned int mod) |
a944e335 SL |
527 | { |
528 | unsigned int i; | |
a944e335 SL |
529 | |
530 | for (i = 0; i < len; i++) { | |
0e92f873 | 531 | if (buf[i] != pattern[mod]) { |
3f199b01 JA |
532 | unsigned int bits; |
533 | ||
0e92f873 | 534 | bits = hweight8(buf[i] ^ pattern[mod]); |
3f199b01 | 535 | log_err("fio: got pattern %x, wanted %x. Bad bits %d\n", |
0e92f873 | 536 | buf[i], pattern[mod], bits); |
3f199b01 | 537 | log_err("fio: bad pattern block offset %u\n", i); |
9fd18969 | 538 | return EILSEQ; |
3f199b01 | 539 | } |
a944e335 SL |
540 | mod++; |
541 | if (mod == pattern_size) | |
542 | mod = 0; | |
543 | } | |
544 | ||
545 | return 0; | |
546 | } | |
547 | ||
e8462bd8 JA |
548 | /* |
549 | * Push IO verification to a separate thread | |
550 | */ | |
551 | int verify_io_u_async(struct thread_data *td, struct io_u *io_u) | |
552 | { | |
553 | if (io_u->file) | |
554 | put_file_log(td, io_u->file); | |
555 | ||
556 | io_u->file = NULL; | |
557 | ||
558 | pthread_mutex_lock(&td->io_u_lock); | |
0c41214f RR |
559 | |
560 | if (io_u->flags & IO_U_F_IN_CUR_DEPTH) { | |
561 | td->cur_depth--; | |
562 | io_u->flags &= ~IO_U_F_IN_CUR_DEPTH; | |
563 | } | |
e8462bd8 JA |
564 | flist_del(&io_u->list); |
565 | flist_add_tail(&io_u->list, &td->verify_list); | |
2ecc1b57 | 566 | io_u->flags |= IO_U_F_FREE_DEF; |
e8462bd8 JA |
567 | pthread_mutex_unlock(&td->io_u_lock); |
568 | ||
569 | pthread_cond_signal(&td->verify_cond); | |
e8462bd8 JA |
570 | return 0; |
571 | } | |
572 | ||
0d29de83 JA |
573 | static int verify_trimmed_io_u(struct thread_data *td, struct io_u *io_u) |
574 | { | |
575 | static char zero_buf[1024]; | |
576 | unsigned int this_len, len; | |
577 | int ret = 0; | |
578 | void *p; | |
579 | ||
580 | if (!td->o.trim_zero) | |
581 | return 0; | |
582 | ||
583 | len = io_u->buflen; | |
584 | p = io_u->buf; | |
585 | do { | |
586 | this_len = sizeof(zero_buf); | |
587 | if (this_len > len) | |
588 | this_len = len; | |
589 | if (memcmp(p, zero_buf, this_len)) { | |
590 | ret = EILSEQ; | |
591 | break; | |
592 | } | |
593 | len -= this_len; | |
594 | p += this_len; | |
595 | } while (len); | |
596 | ||
597 | if (!ret) | |
598 | return 0; | |
599 | ||
a917a8b3 JA |
600 | log_err("trim: verify failed at file %s offset %llu, length %lu" |
601 | ", block offset %lu\n", | |
602 | io_u->file->file_name, io_u->offset, io_u->buflen, | |
2f68124f | 603 | (unsigned long) (p - io_u->buf)); |
0d29de83 JA |
604 | return ret; |
605 | } | |
606 | ||
36690c9b | 607 | int verify_io_u(struct thread_data *td, struct io_u *io_u) |
e29d1b70 | 608 | { |
3f9f4e26 | 609 | struct verify_header *hdr; |
a944e335 | 610 | unsigned int hdr_size, hdr_inc, hdr_num = 0; |
95646108 | 611 | void *p; |
e29d1b70 JA |
612 | int ret; |
613 | ||
1dcc0498 | 614 | if (td->o.verify == VERIFY_NULL || io_u->ddir != DDIR_READ) |
36690c9b | 615 | return 0; |
0d29de83 JA |
616 | if (io_u->flags & IO_U_F_TRIMMED) { |
617 | ret = verify_trimmed_io_u(td, io_u); | |
618 | goto done; | |
619 | } | |
36690c9b | 620 | |
3f9f4e26 | 621 | hdr_inc = io_u->buflen; |
a59e170d JA |
622 | if (td->o.verify_interval) |
623 | hdr_inc = td->o.verify_interval; | |
e29d1b70 | 624 | |
a12a3b4d | 625 | ret = 0; |
5ec10eaa JA |
626 | for (p = io_u->buf; p < io_u->buf + io_u->buflen; |
627 | p += hdr_inc, hdr_num++) { | |
bfacf389 JA |
628 | struct vcont vc = { |
629 | .io_u = io_u, | |
630 | .hdr_num = hdr_num, | |
7d9fb455 | 631 | .td = td, |
bfacf389 | 632 | }; |
936216f8 | 633 | |
f3e6cb95 | 634 | if (ret && td->o.verify_fatal) |
a12a3b4d | 635 | break; |
f3e6cb95 | 636 | |
a944e335 | 637 | hdr_size = __hdr_size(td->o.verify); |
a59e170d | 638 | if (td->o.verify_offset) |
a944e335 | 639 | memswp(p, p + td->o.verify_offset, hdr_size); |
95646108 | 640 | hdr = p; |
e29d1b70 | 641 | |
3f199b01 | 642 | if (hdr->fio_magic != FIO_HDR_MAGIC) { |
c9b44031 JA |
643 | log_err("verify: bad magic header %x, wanted %x at file %s offset %llu, length %u\n", |
644 | hdr->fio_magic, FIO_HDR_MAGIC, | |
645 | io_u->file->file_name, | |
646 | io_u->offset + hdr_num * hdr->len, hdr->len); | |
9fd18969 | 647 | return EILSEQ; |
3f199b01 JA |
648 | } |
649 | ||
e28218f3 | 650 | if (td->o.verify_pattern_bytes) { |
bd6f78b2 JA |
651 | dprint(FD_VERIFY, "pattern verify io_u %p, len %u\n", |
652 | io_u, hdr->len); | |
e28218f3 | 653 | ret = verify_io_u_pattern(td->o.verify_pattern, |
0e92f873 RR |
654 | td->o.verify_pattern_bytes, |
655 | p + hdr_size, | |
656 | hdr_inc - hdr_size, | |
657 | hdr_size % td->o.verify_pattern_bytes); | |
c9b44031 JA |
658 | |
659 | if (ret) { | |
660 | log_err("pattern: verify failed at file %s offset %llu, length %u\n", | |
661 | io_u->file->file_name, | |
662 | io_u->offset + hdr_num * hdr->len, | |
663 | hdr->len); | |
664 | } | |
665 | ||
e92d3d71 RR |
666 | /* |
667 | * Also verify the meta data, if applicable | |
668 | */ | |
669 | if (hdr->verify_type == VERIFY_META) | |
936216f8 | 670 | ret |= verify_io_u_meta(hdr, td, &vc); |
e28218f3 SL |
671 | continue; |
672 | } | |
673 | ||
3f9f4e26 SL |
674 | switch (hdr->verify_type) { |
675 | case VERIFY_MD5: | |
936216f8 | 676 | ret = verify_io_u_md5(hdr, &vc); |
3f9f4e26 SL |
677 | break; |
678 | case VERIFY_CRC64: | |
936216f8 | 679 | ret = verify_io_u_crc64(hdr, &vc); |
3f9f4e26 | 680 | break; |
bac39e0e | 681 | case VERIFY_CRC32C: |
3845591f | 682 | case VERIFY_CRC32C_INTEL: |
936216f8 | 683 | ret = verify_io_u_crc32c(hdr, &vc); |
bac39e0e | 684 | break; |
3f9f4e26 | 685 | case VERIFY_CRC32: |
936216f8 | 686 | ret = verify_io_u_crc32(hdr, &vc); |
3f9f4e26 SL |
687 | break; |
688 | case VERIFY_CRC16: | |
936216f8 | 689 | ret = verify_io_u_crc16(hdr, &vc); |
3f9f4e26 SL |
690 | break; |
691 | case VERIFY_CRC7: | |
936216f8 | 692 | ret = verify_io_u_crc7(hdr, &vc); |
3f9f4e26 | 693 | break; |
cd14cc10 | 694 | case VERIFY_SHA256: |
936216f8 | 695 | ret = verify_io_u_sha256(hdr, &vc); |
cd14cc10 JA |
696 | break; |
697 | case VERIFY_SHA512: | |
936216f8 | 698 | ret = verify_io_u_sha512(hdr, &vc); |
cd14cc10 | 699 | break; |
7437ee87 | 700 | case VERIFY_META: |
936216f8 | 701 | ret = verify_io_u_meta(hdr, td, &vc); |
7437ee87 | 702 | break; |
7c353ceb | 703 | case VERIFY_SHA1: |
936216f8 | 704 | ret = verify_io_u_sha1(hdr, &vc); |
7c353ceb | 705 | break; |
3f9f4e26 SL |
706 | default: |
707 | log_err("Bad verify type %u\n", hdr->verify_type); | |
d16d4e09 | 708 | ret = EINVAL; |
3f9f4e26 | 709 | } |
3f9f4e26 | 710 | } |
a7dfe862 | 711 | |
0d29de83 | 712 | done: |
f3e6cb95 JA |
713 | if (ret && td->o.verify_fatal) |
714 | td->terminate = 1; | |
715 | ||
a12a3b4d | 716 | return ret; |
e29d1b70 JA |
717 | } |
718 | ||
7437ee87 | 719 | static void fill_meta(struct verify_header *hdr, struct thread_data *td, |
5ec10eaa | 720 | struct io_u *io_u, unsigned int header_num) |
7437ee87 SL |
721 | { |
722 | struct vhdr_meta *vh = hdr_priv(hdr); | |
723 | ||
724 | vh->thread = td->thread_number; | |
725 | ||
726 | vh->time_sec = io_u->start_time.tv_sec; | |
727 | vh->time_usec = io_u->start_time.tv_usec; | |
728 | ||
729 | vh->numberio = td->io_issues[DDIR_WRITE]; | |
730 | ||
731 | vh->offset = io_u->offset + header_num * td->o.verify_interval; | |
732 | } | |
733 | ||
cd14cc10 JA |
734 | static void fill_sha512(struct verify_header *hdr, void *p, unsigned int len) |
735 | { | |
546dfd9f | 736 | struct vhdr_sha512 *vh = hdr_priv(hdr); |
cd14cc10 | 737 | struct sha512_ctx sha512_ctx = { |
546dfd9f | 738 | .buf = vh->sha512, |
cd14cc10 JA |
739 | }; |
740 | ||
741 | sha512_init(&sha512_ctx); | |
742 | sha512_update(&sha512_ctx, p, len); | |
743 | } | |
744 | ||
745 | static void fill_sha256(struct verify_header *hdr, void *p, unsigned int len) | |
746 | { | |
546dfd9f | 747 | struct vhdr_sha256 *vh = hdr_priv(hdr); |
cd14cc10 | 748 | struct sha256_ctx sha256_ctx = { |
546dfd9f | 749 | .buf = vh->sha256, |
cd14cc10 JA |
750 | }; |
751 | ||
752 | sha256_init(&sha256_ctx); | |
753 | sha256_update(&sha256_ctx, p, len); | |
754 | } | |
755 | ||
7c353ceb JA |
756 | static void fill_sha1(struct verify_header *hdr, void *p, unsigned int len) |
757 | { | |
758 | struct vhdr_sha1 *vh = hdr_priv(hdr); | |
759 | struct sha1_ctx sha1_ctx = { | |
760 | .H = vh->sha1, | |
761 | }; | |
762 | ||
763 | sha1_init(&sha1_ctx); | |
764 | sha1_update(&sha1_ctx, p, len); | |
765 | } | |
766 | ||
1e154bdb JA |
767 | static void fill_crc7(struct verify_header *hdr, void *p, unsigned int len) |
768 | { | |
546dfd9f JA |
769 | struct vhdr_crc7 *vh = hdr_priv(hdr); |
770 | ||
771 | vh->crc7 = crc7(p, len); | |
1e154bdb JA |
772 | } |
773 | ||
969f7ed3 JA |
774 | static void fill_crc16(struct verify_header *hdr, void *p, unsigned int len) |
775 | { | |
546dfd9f JA |
776 | struct vhdr_crc16 *vh = hdr_priv(hdr); |
777 | ||
778 | vh->crc16 = crc16(p, len); | |
969f7ed3 JA |
779 | } |
780 | ||
e29d1b70 JA |
781 | static void fill_crc32(struct verify_header *hdr, void *p, unsigned int len) |
782 | { | |
546dfd9f JA |
783 | struct vhdr_crc32 *vh = hdr_priv(hdr); |
784 | ||
785 | vh->crc32 = crc32(p, len); | |
e29d1b70 JA |
786 | } |
787 | ||
bac39e0e JA |
788 | static void fill_crc32c(struct verify_header *hdr, void *p, unsigned int len) |
789 | { | |
790 | struct vhdr_crc32 *vh = hdr_priv(hdr); | |
791 | ||
3845591f JA |
792 | if (hdr->verify_type == VERIFY_CRC32C_INTEL) |
793 | vh->crc32 = crc32c_intel(p, len); | |
794 | else | |
795 | vh->crc32 = crc32c(p, len); | |
bac39e0e JA |
796 | } |
797 | ||
d77a7af3 JA |
798 | static void fill_crc64(struct verify_header *hdr, void *p, unsigned int len) |
799 | { | |
546dfd9f JA |
800 | struct vhdr_crc64 *vh = hdr_priv(hdr); |
801 | ||
802 | vh->crc64 = crc64(p, len); | |
d77a7af3 JA |
803 | } |
804 | ||
e29d1b70 JA |
805 | static void fill_md5(struct verify_header *hdr, void *p, unsigned int len) |
806 | { | |
546dfd9f | 807 | struct vhdr_md5 *vh = hdr_priv(hdr); |
8c432325 | 808 | struct md5_ctx md5_ctx = { |
546dfd9f | 809 | .hash = (uint32_t *) vh->md5_digest, |
8c432325 | 810 | }; |
e29d1b70 | 811 | |
61f821f1 | 812 | md5_init(&md5_ctx); |
e29d1b70 | 813 | md5_update(&md5_ctx, p, len); |
e29d1b70 JA |
814 | } |
815 | ||
7d9fb455 JA |
816 | static void populate_hdr(struct thread_data *td, struct io_u *io_u, |
817 | struct verify_header *hdr, unsigned int header_num, | |
818 | unsigned int header_len) | |
819 | { | |
820 | unsigned int data_len; | |
821 | void *data, *p; | |
822 | ||
823 | p = (void *) hdr; | |
824 | ||
825 | hdr->fio_magic = FIO_HDR_MAGIC; | |
826 | hdr->len = header_len; | |
827 | hdr->verify_type = td->o.verify; | |
828 | hdr->rand_seed = io_u->rand_seed; | |
829 | data_len = header_len - hdr_size(hdr); | |
830 | ||
831 | data = p + hdr_size(hdr); | |
832 | switch (td->o.verify) { | |
833 | case VERIFY_MD5: | |
834 | dprint(FD_VERIFY, "fill md5 io_u %p, len %u\n", | |
835 | io_u, hdr->len); | |
836 | fill_md5(hdr, data, data_len); | |
837 | break; | |
838 | case VERIFY_CRC64: | |
839 | dprint(FD_VERIFY, "fill crc64 io_u %p, len %u\n", | |
840 | io_u, hdr->len); | |
841 | fill_crc64(hdr, data, data_len); | |
842 | break; | |
843 | case VERIFY_CRC32C: | |
844 | case VERIFY_CRC32C_INTEL: | |
845 | dprint(FD_VERIFY, "fill crc32c io_u %p, len %u\n", | |
846 | io_u, hdr->len); | |
847 | fill_crc32c(hdr, data, data_len); | |
848 | break; | |
849 | case VERIFY_CRC32: | |
850 | dprint(FD_VERIFY, "fill crc32 io_u %p, len %u\n", | |
851 | io_u, hdr->len); | |
852 | fill_crc32(hdr, data, data_len); | |
853 | break; | |
854 | case VERIFY_CRC16: | |
855 | dprint(FD_VERIFY, "fill crc16 io_u %p, len %u\n", | |
856 | io_u, hdr->len); | |
857 | fill_crc16(hdr, data, data_len); | |
858 | break; | |
859 | case VERIFY_CRC7: | |
860 | dprint(FD_VERIFY, "fill crc7 io_u %p, len %u\n", | |
861 | io_u, hdr->len); | |
862 | fill_crc7(hdr, data, data_len); | |
863 | break; | |
864 | case VERIFY_SHA256: | |
865 | dprint(FD_VERIFY, "fill sha256 io_u %p, len %u\n", | |
866 | io_u, hdr->len); | |
867 | fill_sha256(hdr, data, data_len); | |
868 | break; | |
869 | case VERIFY_SHA512: | |
870 | dprint(FD_VERIFY, "fill sha512 io_u %p, len %u\n", | |
871 | io_u, hdr->len); | |
872 | fill_sha512(hdr, data, data_len); | |
873 | break; | |
874 | case VERIFY_META: | |
875 | dprint(FD_VERIFY, "fill meta io_u %p, len %u\n", | |
876 | io_u, hdr->len); | |
877 | fill_meta(hdr, td, io_u, header_num); | |
878 | break; | |
879 | case VERIFY_SHA1: | |
880 | dprint(FD_VERIFY, "fill sha1 io_u %p, len %u\n", | |
881 | io_u, hdr->len); | |
882 | fill_sha1(hdr, data, data_len); | |
883 | break; | |
884 | default: | |
885 | log_err("fio: bad verify type: %d\n", td->o.verify); | |
886 | assert(0); | |
887 | } | |
888 | if (td->o.verify_offset) | |
889 | memswp(p, p + td->o.verify_offset, hdr_size(hdr)); | |
890 | } | |
891 | ||
e29d1b70 JA |
892 | /* |
893 | * fill body of io_u->buf with random data and add a header with the | |
c50ca7bd | 894 | * checksum of choice |
e29d1b70 JA |
895 | */ |
896 | void populate_verify_io_u(struct thread_data *td, struct io_u *io_u) | |
897 | { | |
9cc3d150 JA |
898 | if (td->o.verify == VERIFY_NULL) |
899 | return; | |
900 | ||
c50ca7bd | 901 | fill_pattern_headers(td, io_u, 0, 0); |
e29d1b70 JA |
902 | } |
903 | ||
904 | int get_next_verify(struct thread_data *td, struct io_u *io_u) | |
905 | { | |
8de8f047 | 906 | struct io_piece *ipo = NULL; |
e29d1b70 | 907 | |
d2d7fa53 JA |
908 | /* |
909 | * this io_u is from a requeue, we already filled the offsets | |
910 | */ | |
911 | if (io_u->file) | |
912 | return 0; | |
913 | ||
8de8f047 JA |
914 | if (!RB_EMPTY_ROOT(&td->io_hist_tree)) { |
915 | struct rb_node *n = rb_first(&td->io_hist_tree); | |
e29d1b70 | 916 | |
8de8f047 | 917 | ipo = rb_entry(n, struct io_piece, rb_node); |
4b87898e | 918 | rb_erase(n, &td->io_hist_tree); |
a917a8b3 JA |
919 | assert(ipo->flags & IP_F_ONRB); |
920 | ipo->flags &= ~IP_F_ONRB; | |
01743ee1 JA |
921 | } else if (!flist_empty(&td->io_hist_list)) { |
922 | ipo = flist_entry(td->io_hist_list.next, struct io_piece, list); | |
923 | flist_del(&ipo->list); | |
a917a8b3 JA |
924 | assert(ipo->flags & IP_F_ONLIST); |
925 | ipo->flags &= ~IP_F_ONLIST; | |
8de8f047 | 926 | } |
e29d1b70 | 927 | |
8de8f047 | 928 | if (ipo) { |
0d29de83 JA |
929 | td->io_hist_len--; |
930 | ||
e29d1b70 JA |
931 | io_u->offset = ipo->offset; |
932 | io_u->buflen = ipo->len; | |
36167d82 | 933 | io_u->file = ipo->file; |
97af62ce | 934 | |
0d29de83 JA |
935 | if (ipo->flags & IP_F_TRIMMED) |
936 | io_u->flags |= IO_U_F_TRIMMED; | |
937 | ||
d6aed795 | 938 | if (!fio_file_open(io_u->file)) { |
97af62ce JA |
939 | int r = td_io_open_file(td, io_u->file); |
940 | ||
bd6f78b2 JA |
941 | if (r) { |
942 | dprint(FD_VERIFY, "failed file %s open\n", | |
943 | io_u->file->file_name); | |
97af62ce | 944 | return 1; |
bd6f78b2 | 945 | } |
97af62ce JA |
946 | } |
947 | ||
948 | get_file(ipo->file); | |
d6aed795 | 949 | assert(fio_file_open(io_u->file)); |
e29d1b70 | 950 | io_u->ddir = DDIR_READ; |
36167d82 JA |
951 | io_u->xfer_buf = io_u->buf; |
952 | io_u->xfer_buflen = io_u->buflen; | |
0d29de83 JA |
953 | |
954 | remove_trim_entry(td, ipo); | |
e29d1b70 | 955 | free(ipo); |
bd6f78b2 | 956 | dprint(FD_VERIFY, "get_next_verify: ret io_u %p\n", io_u); |
e29d1b70 JA |
957 | return 0; |
958 | } | |
959 | ||
bd6f78b2 | 960 | dprint(FD_VERIFY, "get_next_verify: empty\n"); |
e29d1b70 JA |
961 | return 1; |
962 | } | |
e8462bd8 JA |
963 | |
964 | static void *verify_async_thread(void *data) | |
965 | { | |
966 | struct thread_data *td = data; | |
967 | struct io_u *io_u; | |
968 | int ret = 0; | |
969 | ||
970 | if (td->o.verify_cpumask_set && | |
971 | fio_setaffinity(td->pid, td->o.verify_cpumask)) { | |
972 | log_err("fio: failed setting verify thread affinity\n"); | |
973 | goto done; | |
974 | } | |
975 | ||
976 | do { | |
e53ab27c JA |
977 | FLIST_HEAD(list); |
978 | ||
e8462bd8 JA |
979 | read_barrier(); |
980 | if (td->verify_thread_exit) | |
981 | break; | |
982 | ||
983 | pthread_mutex_lock(&td->io_u_lock); | |
984 | ||
985 | while (flist_empty(&td->verify_list) && | |
986 | !td->verify_thread_exit) { | |
b36e298b JA |
987 | ret = pthread_cond_wait(&td->verify_cond, |
988 | &td->io_u_lock); | |
e8462bd8 JA |
989 | if (ret) { |
990 | pthread_mutex_unlock(&td->io_u_lock); | |
991 | break; | |
992 | } | |
993 | } | |
994 | ||
e53ab27c JA |
995 | flist_splice_init(&td->verify_list, &list); |
996 | pthread_mutex_unlock(&td->io_u_lock); | |
997 | ||
998 | if (flist_empty(&list)) | |
e8462bd8 | 999 | continue; |
e8462bd8 | 1000 | |
e53ab27c JA |
1001 | while (!flist_empty(&list)) { |
1002 | io_u = flist_entry(list.next, struct io_u, list); | |
1003 | flist_del_init(&io_u->list); | |
e8462bd8 | 1004 | |
d561f2ab | 1005 | ret = verify_io_u(td, io_u); |
e53ab27c | 1006 | put_io_u(td, io_u); |
d561f2ab JA |
1007 | if (!ret) |
1008 | continue; | |
1009 | if (td->o.continue_on_error && | |
1010 | td_non_fatal_error(ret)) { | |
1011 | update_error_count(td, ret); | |
1012 | td_clear_error(td); | |
1013 | ret = 0; | |
1014 | } | |
e53ab27c | 1015 | } |
e8462bd8 JA |
1016 | } while (!ret); |
1017 | ||
d561f2ab JA |
1018 | if (ret) { |
1019 | td_verror(td, ret, "async_verify"); | |
f3e6cb95 JA |
1020 | if (td->o.verify_fatal) |
1021 | td->terminate = 1; | |
d561f2ab JA |
1022 | } |
1023 | ||
e8462bd8 JA |
1024 | done: |
1025 | pthread_mutex_lock(&td->io_u_lock); | |
1026 | td->nr_verify_threads--; | |
1027 | pthread_mutex_unlock(&td->io_u_lock); | |
1028 | ||
1029 | pthread_cond_signal(&td->free_cond); | |
1030 | return NULL; | |
1031 | } | |
1032 | ||
1033 | int verify_async_init(struct thread_data *td) | |
1034 | { | |
1035 | int i, ret; | |
304a47c7 VA |
1036 | pthread_attr_t attr; |
1037 | ||
1038 | pthread_attr_init(&attr); | |
1039 | pthread_attr_setstacksize(&attr, PTHREAD_STACK_MIN); | |
e8462bd8 JA |
1040 | |
1041 | td->verify_thread_exit = 0; | |
1042 | ||
1043 | td->verify_threads = malloc(sizeof(pthread_t) * td->o.verify_async); | |
1044 | for (i = 0; i < td->o.verify_async; i++) { | |
304a47c7 | 1045 | ret = pthread_create(&td->verify_threads[i], &attr, |
e8462bd8 JA |
1046 | verify_async_thread, td); |
1047 | if (ret) { | |
1048 | log_err("fio: async verify creation failed: %s\n", | |
1049 | strerror(ret)); | |
1050 | break; | |
1051 | } | |
1052 | ret = pthread_detach(td->verify_threads[i]); | |
1053 | if (ret) { | |
1054 | log_err("fio: async verify thread detach failed: %s\n", | |
1055 | strerror(ret)); | |
1056 | break; | |
1057 | } | |
1058 | td->nr_verify_threads++; | |
1059 | } | |
1060 | ||
304a47c7 VA |
1061 | pthread_attr_destroy(&attr); |
1062 | ||
e8462bd8 | 1063 | if (i != td->o.verify_async) { |
e40823b1 | 1064 | log_err("fio: only %d verify threads started, exiting\n", i); |
e8462bd8 JA |
1065 | td->verify_thread_exit = 1; |
1066 | write_barrier(); | |
1067 | pthread_cond_broadcast(&td->verify_cond); | |
1068 | return 1; | |
1069 | } | |
1070 | ||
1071 | return 0; | |
1072 | } | |
1073 | ||
1074 | void verify_async_exit(struct thread_data *td) | |
1075 | { | |
1076 | td->verify_thread_exit = 1; | |
1077 | write_barrier(); | |
1078 | pthread_cond_broadcast(&td->verify_cond); | |
1079 | ||
1080 | pthread_mutex_lock(&td->io_u_lock); | |
1081 | ||
1082 | while (td->nr_verify_threads) | |
1083 | pthread_cond_wait(&td->free_cond, &td->io_u_lock); | |
1084 | ||
1085 | pthread_mutex_unlock(&td->io_u_lock); | |
1086 | free(td->verify_threads); | |
1087 | td->verify_threads = NULL; | |
1088 | } |