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 | { |
6f260b31 | 201 | char *ptr, fname[256]; |
7d9fb455 JA |
202 | int ret, fd; |
203 | ||
6f260b31 JA |
204 | ptr = strdup(f->file_name); |
205 | strcpy(fname, basename(ptr)); | |
c50ca7bd JA |
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); |
6f260b31 | 229 | free(ptr); |
7d9fb455 JA |
230 | } |
231 | ||
c50ca7bd JA |
232 | /* |
233 | * Dump the contents of the read block and re-generate the correct data | |
234 | * and dump that too. | |
235 | */ | |
7d9fb455 JA |
236 | static void dump_verify_buffers(struct verify_header *hdr, struct vcont *vc) |
237 | { | |
238 | struct thread_data *td = vc->td; | |
239 | struct io_u *io_u = vc->io_u; | |
240 | unsigned long hdr_offset; | |
7d9fb455 | 241 | struct io_u dummy; |
c50ca7bd | 242 | void *buf; |
7d9fb455 | 243 | |
c50ca7bd JA |
244 | /* |
245 | * Dump the contents we just read off disk | |
246 | */ | |
7d9fb455 JA |
247 | hdr_offset = vc->hdr_num * hdr->len; |
248 | ||
c50ca7bd JA |
249 | dump_buf(io_u->buf + hdr_offset, hdr->len, io_u->offset + hdr_offset, |
250 | "received", vc->io_u->file); | |
7d9fb455 | 251 | |
c50ca7bd JA |
252 | /* |
253 | * Allocate a new buf and re-generate the original data | |
254 | */ | |
255 | buf = malloc(io_u->buflen); | |
7d9fb455 | 256 | dummy = *io_u; |
c50ca7bd | 257 | dummy.buf = buf; |
4aae38a6 | 258 | dummy.rand_seed = hdr->rand_seed; |
7d9fb455 | 259 | |
c50ca7bd | 260 | fill_pattern_headers(td, &dummy, hdr->rand_seed, 1); |
7d9fb455 | 261 | |
c50ca7bd JA |
262 | dump_buf(buf + hdr_offset, hdr->len, io_u->offset + hdr_offset, |
263 | "expected", vc->io_u->file); | |
7d9fb455 JA |
264 | free(buf); |
265 | } | |
266 | ||
bfacf389 JA |
267 | static void log_verify_failure(struct verify_header *hdr, struct vcont *vc) |
268 | { | |
269 | unsigned long long offset; | |
270 | ||
271 | offset = vc->io_u->offset; | |
272 | offset += vc->hdr_num * hdr->len; | |
32c17adf JA |
273 | log_err("%.8s: verify failed at file %s offset %llu, length %u\n", |
274 | vc->name, vc->io_u->file->file_name, offset, hdr->len); | |
bfacf389 JA |
275 | |
276 | if (vc->good_crc && vc->bad_crc) { | |
277 | log_err(" Expected CRC: "); | |
278 | hexdump(vc->good_crc, vc->crc_len); | |
279 | log_err(" Received CRC: "); | |
280 | hexdump(vc->bad_crc, vc->crc_len); | |
281 | } | |
7d9fb455 JA |
282 | |
283 | dump_verify_buffers(hdr, vc); | |
bfacf389 JA |
284 | } |
285 | ||
d9f2caf3 JA |
286 | /* |
287 | * Return data area 'header_num' | |
288 | */ | |
936216f8 | 289 | static inline void *io_u_verify_off(struct verify_header *hdr, struct vcont *vc) |
d9f2caf3 | 290 | { |
936216f8 | 291 | return vc->io_u->buf + vc->hdr_num * hdr->len + hdr_size(hdr); |
d9f2caf3 JA |
292 | } |
293 | ||
7437ee87 | 294 | static int verify_io_u_meta(struct verify_header *hdr, struct thread_data *td, |
936216f8 | 295 | struct vcont *vc) |
7437ee87 SL |
296 | { |
297 | struct vhdr_meta *vh = hdr_priv(hdr); | |
936216f8 | 298 | struct io_u *io_u = vc->io_u; |
7437ee87 | 299 | |
bd6f78b2 JA |
300 | dprint(FD_VERIFY, "meta verify io_u %p, len %u\n", io_u, hdr->len); |
301 | ||
bfacf389 JA |
302 | if (vh->offset == io_u->offset + vc->hdr_num * td->o.verify_interval) |
303 | return 0; | |
7437ee87 | 304 | |
bfacf389 JA |
305 | vc->name = "meta"; |
306 | log_verify_failure(hdr, vc); | |
307 | return EILSEQ; | |
7437ee87 SL |
308 | } |
309 | ||
936216f8 | 310 | static int verify_io_u_sha512(struct verify_header *hdr, struct vcont *vc) |
cd14cc10 | 311 | { |
936216f8 | 312 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 313 | struct vhdr_sha512 *vh = hdr_priv(hdr); |
cd14cc10 JA |
314 | uint8_t sha512[128]; |
315 | struct sha512_ctx sha512_ctx = { | |
316 | .buf = sha512, | |
317 | }; | |
318 | ||
936216f8 | 319 | dprint(FD_VERIFY, "sha512 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 320 | |
cd14cc10 | 321 | sha512_init(&sha512_ctx); |
87677832 | 322 | sha512_update(&sha512_ctx, p, hdr->len - hdr_size(hdr)); |
cd14cc10 | 323 | |
bfacf389 JA |
324 | if (!memcmp(vh->sha512, sha512_ctx.buf, sizeof(sha512))) |
325 | return 0; | |
cd14cc10 | 326 | |
bfacf389 JA |
327 | vc->name = "sha512"; |
328 | vc->good_crc = vh->sha512; | |
329 | vc->bad_crc = sha512_ctx.buf; | |
330 | vc->crc_len = sizeof(vh->sha512); | |
331 | log_verify_failure(hdr, vc); | |
332 | return EILSEQ; | |
cd14cc10 JA |
333 | } |
334 | ||
936216f8 | 335 | static int verify_io_u_sha256(struct verify_header *hdr, struct vcont *vc) |
cd14cc10 | 336 | { |
936216f8 | 337 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 338 | struct vhdr_sha256 *vh = hdr_priv(hdr); |
bc77f56f | 339 | uint8_t sha256[64]; |
cd14cc10 JA |
340 | struct sha256_ctx sha256_ctx = { |
341 | .buf = sha256, | |
342 | }; | |
343 | ||
936216f8 | 344 | dprint(FD_VERIFY, "sha256 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 345 | |
cd14cc10 | 346 | sha256_init(&sha256_ctx); |
87677832 | 347 | sha256_update(&sha256_ctx, p, hdr->len - hdr_size(hdr)); |
cd14cc10 | 348 | |
bfacf389 JA |
349 | if (!memcmp(vh->sha256, sha256_ctx.buf, sizeof(sha256))) |
350 | return 0; | |
cd14cc10 | 351 | |
bfacf389 JA |
352 | vc->name = "sha256"; |
353 | vc->good_crc = vh->sha256; | |
354 | vc->bad_crc = sha256_ctx.buf; | |
355 | vc->crc_len = sizeof(vh->sha256); | |
356 | log_verify_failure(hdr, vc); | |
357 | return EILSEQ; | |
cd14cc10 JA |
358 | } |
359 | ||
936216f8 | 360 | static int verify_io_u_sha1(struct verify_header *hdr, struct vcont *vc) |
7c353ceb | 361 | { |
936216f8 | 362 | void *p = io_u_verify_off(hdr, vc); |
7c353ceb JA |
363 | struct vhdr_sha1 *vh = hdr_priv(hdr); |
364 | uint32_t sha1[5]; | |
365 | struct sha1_ctx sha1_ctx = { | |
366 | .H = sha1, | |
367 | }; | |
368 | ||
936216f8 | 369 | dprint(FD_VERIFY, "sha1 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
7c353ceb JA |
370 | |
371 | sha1_init(&sha1_ctx); | |
372 | sha1_update(&sha1_ctx, p, hdr->len - hdr_size(hdr)); | |
373 | ||
bfacf389 JA |
374 | if (!memcmp(vh->sha1, sha1_ctx.H, sizeof(sha1))) |
375 | return 0; | |
7c353ceb | 376 | |
bfacf389 JA |
377 | vc->name = "sha1"; |
378 | vc->good_crc = vh->sha1; | |
379 | vc->bad_crc = sha1_ctx.H; | |
380 | vc->crc_len = sizeof(vh->sha1); | |
381 | log_verify_failure(hdr, vc); | |
382 | return EILSEQ; | |
7c353ceb JA |
383 | } |
384 | ||
936216f8 | 385 | static int verify_io_u_crc7(struct verify_header *hdr, struct vcont *vc) |
1e154bdb | 386 | { |
936216f8 | 387 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 388 | struct vhdr_crc7 *vh = hdr_priv(hdr); |
1e154bdb JA |
389 | unsigned char c; |
390 | ||
936216f8 | 391 | dprint(FD_VERIFY, "crc7 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 392 | |
87677832 | 393 | c = crc7(p, hdr->len - hdr_size(hdr)); |
1e154bdb | 394 | |
bfacf389 JA |
395 | if (c == vh->crc7) |
396 | return 0; | |
1e154bdb | 397 | |
bfacf389 JA |
398 | vc->name = "crc7"; |
399 | vc->good_crc = &vh->crc7; | |
400 | vc->bad_crc = &c; | |
401 | vc->crc_len = 1; | |
402 | log_verify_failure(hdr, vc); | |
403 | return EILSEQ; | |
1e154bdb JA |
404 | } |
405 | ||
936216f8 | 406 | static int verify_io_u_crc16(struct verify_header *hdr, struct vcont *vc) |
969f7ed3 | 407 | { |
936216f8 | 408 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 409 | struct vhdr_crc16 *vh = hdr_priv(hdr); |
969f7ed3 JA |
410 | unsigned short c; |
411 | ||
936216f8 | 412 | dprint(FD_VERIFY, "crc16 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 413 | |
87677832 | 414 | c = crc16(p, hdr->len - hdr_size(hdr)); |
969f7ed3 | 415 | |
bfacf389 JA |
416 | if (c == vh->crc16) |
417 | return 0; | |
969f7ed3 | 418 | |
bfacf389 JA |
419 | vc->name = "crc16"; |
420 | vc->good_crc = &vh->crc16; | |
421 | vc->bad_crc = &c; | |
422 | vc->crc_len = 2; | |
423 | log_verify_failure(hdr, vc); | |
424 | return EILSEQ; | |
969f7ed3 JA |
425 | } |
426 | ||
936216f8 | 427 | static int verify_io_u_crc64(struct verify_header *hdr, struct vcont *vc) |
d77a7af3 | 428 | { |
936216f8 | 429 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 430 | struct vhdr_crc64 *vh = hdr_priv(hdr); |
d77a7af3 JA |
431 | unsigned long long c; |
432 | ||
936216f8 | 433 | dprint(FD_VERIFY, "crc64 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 434 | |
87677832 | 435 | c = crc64(p, hdr->len - hdr_size(hdr)); |
d77a7af3 | 436 | |
bfacf389 JA |
437 | if (c == vh->crc64) |
438 | return 0; | |
d77a7af3 | 439 | |
bfacf389 JA |
440 | vc->name = "crc64"; |
441 | vc->good_crc = &vh->crc64; | |
442 | vc->bad_crc = &c; | |
443 | vc->crc_len = 8; | |
444 | log_verify_failure(hdr, vc); | |
445 | return EILSEQ; | |
d77a7af3 JA |
446 | } |
447 | ||
936216f8 | 448 | static int verify_io_u_crc32(struct verify_header *hdr, struct vcont *vc) |
e29d1b70 | 449 | { |
936216f8 | 450 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f JA |
451 | struct vhdr_crc32 *vh = hdr_priv(hdr); |
452 | uint32_t c; | |
e29d1b70 | 453 | |
936216f8 | 454 | dprint(FD_VERIFY, "crc32 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 455 | |
87677832 | 456 | c = crc32(p, hdr->len - hdr_size(hdr)); |
e29d1b70 | 457 | |
bfacf389 JA |
458 | if (c == vh->crc32) |
459 | return 0; | |
e29d1b70 | 460 | |
bfacf389 JA |
461 | vc->name = "crc32"; |
462 | vc->good_crc = &vh->crc32; | |
463 | vc->bad_crc = &c; | |
464 | vc->crc_len = 4; | |
465 | log_verify_failure(hdr, vc); | |
466 | return EILSEQ; | |
e29d1b70 JA |
467 | } |
468 | ||
936216f8 | 469 | static int verify_io_u_crc32c(struct verify_header *hdr, struct vcont *vc) |
bac39e0e | 470 | { |
936216f8 | 471 | void *p = io_u_verify_off(hdr, vc); |
bac39e0e JA |
472 | struct vhdr_crc32 *vh = hdr_priv(hdr); |
473 | uint32_t c; | |
474 | ||
936216f8 | 475 | dprint(FD_VERIFY, "crc32c verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bac39e0e | 476 | |
3845591f JA |
477 | if (hdr->verify_type == VERIFY_CRC32C_INTEL) |
478 | c = crc32c_intel(p, hdr->len - hdr_size(hdr)); | |
479 | else | |
480 | c = crc32c(p, hdr->len - hdr_size(hdr)); | |
bac39e0e | 481 | |
bfacf389 JA |
482 | if (c == vh->crc32) |
483 | return 0; | |
bac39e0e | 484 | |
bfacf389 JA |
485 | vc->name = "crc32c"; |
486 | vc->good_crc = &vh->crc32; | |
487 | vc->bad_crc = &c; | |
488 | vc->crc_len = 4; | |
489 | log_verify_failure(hdr, vc); | |
490 | return EILSEQ; | |
bac39e0e JA |
491 | } |
492 | ||
936216f8 | 493 | static int verify_io_u_md5(struct verify_header *hdr, struct vcont *vc) |
e29d1b70 | 494 | { |
936216f8 | 495 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 496 | struct vhdr_md5 *vh = hdr_priv(hdr); |
8c432325 JA |
497 | uint32_t hash[MD5_HASH_WORDS]; |
498 | struct md5_ctx md5_ctx = { | |
499 | .hash = hash, | |
500 | }; | |
e29d1b70 | 501 | |
936216f8 | 502 | dprint(FD_VERIFY, "md5 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 503 | |
61f821f1 | 504 | md5_init(&md5_ctx); |
87677832 | 505 | md5_update(&md5_ctx, p, hdr->len - hdr_size(hdr)); |
e29d1b70 | 506 | |
bfacf389 JA |
507 | if (!memcmp(vh->md5_digest, md5_ctx.hash, sizeof(hash))) |
508 | return 0; | |
e29d1b70 | 509 | |
bfacf389 JA |
510 | vc->name = "md5"; |
511 | vc->good_crc = vh->md5_digest; | |
512 | vc->bad_crc = md5_ctx.hash; | |
513 | vc->crc_len = sizeof(hash); | |
514 | log_verify_failure(hdr, vc); | |
515 | return EILSEQ; | |
e29d1b70 JA |
516 | } |
517 | ||
3f199b01 JA |
518 | static unsigned int hweight8(unsigned int w) |
519 | { | |
520 | unsigned int res = w - ((w >> 1) & 0x55); | |
521 | ||
522 | res = (res & 0x33) + ((res >> 2) & 0x33); | |
523 | return (res + (res >> 4)) & 0x0F; | |
524 | } | |
525 | ||
0e92f873 | 526 | int verify_io_u_pattern(char *pattern, unsigned long pattern_size, |
5ec10eaa | 527 | char *buf, unsigned int len, unsigned int mod) |
a944e335 SL |
528 | { |
529 | unsigned int i; | |
a944e335 SL |
530 | |
531 | for (i = 0; i < len; i++) { | |
0e92f873 | 532 | if (buf[i] != pattern[mod]) { |
3f199b01 JA |
533 | unsigned int bits; |
534 | ||
0e92f873 | 535 | bits = hweight8(buf[i] ^ pattern[mod]); |
3f199b01 | 536 | log_err("fio: got pattern %x, wanted %x. Bad bits %d\n", |
0e92f873 | 537 | buf[i], pattern[mod], bits); |
3f199b01 | 538 | log_err("fio: bad pattern block offset %u\n", i); |
9fd18969 | 539 | return EILSEQ; |
3f199b01 | 540 | } |
a944e335 SL |
541 | mod++; |
542 | if (mod == pattern_size) | |
543 | mod = 0; | |
544 | } | |
545 | ||
546 | return 0; | |
547 | } | |
548 | ||
e8462bd8 JA |
549 | /* |
550 | * Push IO verification to a separate thread | |
551 | */ | |
552 | int verify_io_u_async(struct thread_data *td, struct io_u *io_u) | |
553 | { | |
554 | if (io_u->file) | |
555 | put_file_log(td, io_u->file); | |
556 | ||
557 | io_u->file = NULL; | |
558 | ||
559 | pthread_mutex_lock(&td->io_u_lock); | |
0c41214f RR |
560 | |
561 | if (io_u->flags & IO_U_F_IN_CUR_DEPTH) { | |
562 | td->cur_depth--; | |
563 | io_u->flags &= ~IO_U_F_IN_CUR_DEPTH; | |
564 | } | |
e8462bd8 JA |
565 | flist_del(&io_u->list); |
566 | flist_add_tail(&io_u->list, &td->verify_list); | |
2ecc1b57 | 567 | io_u->flags |= IO_U_F_FREE_DEF; |
e8462bd8 JA |
568 | pthread_mutex_unlock(&td->io_u_lock); |
569 | ||
570 | pthread_cond_signal(&td->verify_cond); | |
e8462bd8 JA |
571 | return 0; |
572 | } | |
573 | ||
0d29de83 JA |
574 | static int verify_trimmed_io_u(struct thread_data *td, struct io_u *io_u) |
575 | { | |
576 | static char zero_buf[1024]; | |
577 | unsigned int this_len, len; | |
578 | int ret = 0; | |
579 | void *p; | |
580 | ||
581 | if (!td->o.trim_zero) | |
582 | return 0; | |
583 | ||
584 | len = io_u->buflen; | |
585 | p = io_u->buf; | |
586 | do { | |
587 | this_len = sizeof(zero_buf); | |
588 | if (this_len > len) | |
589 | this_len = len; | |
590 | if (memcmp(p, zero_buf, this_len)) { | |
591 | ret = EILSEQ; | |
592 | break; | |
593 | } | |
594 | len -= this_len; | |
595 | p += this_len; | |
596 | } while (len); | |
597 | ||
598 | if (!ret) | |
599 | return 0; | |
600 | ||
a917a8b3 JA |
601 | log_err("trim: verify failed at file %s offset %llu, length %lu" |
602 | ", block offset %lu\n", | |
603 | io_u->file->file_name, io_u->offset, io_u->buflen, | |
2f68124f | 604 | (unsigned long) (p - io_u->buf)); |
0d29de83 JA |
605 | return ret; |
606 | } | |
607 | ||
36690c9b | 608 | int verify_io_u(struct thread_data *td, struct io_u *io_u) |
e29d1b70 | 609 | { |
3f9f4e26 | 610 | struct verify_header *hdr; |
a944e335 | 611 | unsigned int hdr_size, hdr_inc, hdr_num = 0; |
95646108 | 612 | void *p; |
e29d1b70 JA |
613 | int ret; |
614 | ||
1dcc0498 | 615 | if (td->o.verify == VERIFY_NULL || io_u->ddir != DDIR_READ) |
36690c9b | 616 | return 0; |
0d29de83 JA |
617 | if (io_u->flags & IO_U_F_TRIMMED) { |
618 | ret = verify_trimmed_io_u(td, io_u); | |
619 | goto done; | |
620 | } | |
36690c9b | 621 | |
3f9f4e26 | 622 | hdr_inc = io_u->buflen; |
a59e170d JA |
623 | if (td->o.verify_interval) |
624 | hdr_inc = td->o.verify_interval; | |
e29d1b70 | 625 | |
a12a3b4d | 626 | ret = 0; |
5ec10eaa JA |
627 | for (p = io_u->buf; p < io_u->buf + io_u->buflen; |
628 | p += hdr_inc, hdr_num++) { | |
bfacf389 JA |
629 | struct vcont vc = { |
630 | .io_u = io_u, | |
631 | .hdr_num = hdr_num, | |
7d9fb455 | 632 | .td = td, |
bfacf389 | 633 | }; |
936216f8 | 634 | |
f3e6cb95 | 635 | if (ret && td->o.verify_fatal) |
a12a3b4d | 636 | break; |
f3e6cb95 | 637 | |
a944e335 | 638 | hdr_size = __hdr_size(td->o.verify); |
a59e170d | 639 | if (td->o.verify_offset) |
a944e335 | 640 | memswp(p, p + td->o.verify_offset, hdr_size); |
95646108 | 641 | hdr = p; |
e29d1b70 | 642 | |
3f199b01 | 643 | if (hdr->fio_magic != FIO_HDR_MAGIC) { |
c9b44031 JA |
644 | log_err("verify: bad magic header %x, wanted %x at file %s offset %llu, length %u\n", |
645 | hdr->fio_magic, FIO_HDR_MAGIC, | |
646 | io_u->file->file_name, | |
647 | io_u->offset + hdr_num * hdr->len, hdr->len); | |
9fd18969 | 648 | return EILSEQ; |
3f199b01 JA |
649 | } |
650 | ||
e28218f3 | 651 | if (td->o.verify_pattern_bytes) { |
bd6f78b2 JA |
652 | dprint(FD_VERIFY, "pattern verify io_u %p, len %u\n", |
653 | io_u, hdr->len); | |
e28218f3 | 654 | ret = verify_io_u_pattern(td->o.verify_pattern, |
0e92f873 RR |
655 | td->o.verify_pattern_bytes, |
656 | p + hdr_size, | |
657 | hdr_inc - hdr_size, | |
658 | hdr_size % td->o.verify_pattern_bytes); | |
c9b44031 JA |
659 | |
660 | if (ret) { | |
661 | log_err("pattern: verify failed at file %s offset %llu, length %u\n", | |
662 | io_u->file->file_name, | |
663 | io_u->offset + hdr_num * hdr->len, | |
664 | hdr->len); | |
665 | } | |
666 | ||
e92d3d71 RR |
667 | /* |
668 | * Also verify the meta data, if applicable | |
669 | */ | |
670 | if (hdr->verify_type == VERIFY_META) | |
936216f8 | 671 | ret |= verify_io_u_meta(hdr, td, &vc); |
e28218f3 SL |
672 | continue; |
673 | } | |
674 | ||
3f9f4e26 SL |
675 | switch (hdr->verify_type) { |
676 | case VERIFY_MD5: | |
936216f8 | 677 | ret = verify_io_u_md5(hdr, &vc); |
3f9f4e26 SL |
678 | break; |
679 | case VERIFY_CRC64: | |
936216f8 | 680 | ret = verify_io_u_crc64(hdr, &vc); |
3f9f4e26 | 681 | break; |
bac39e0e | 682 | case VERIFY_CRC32C: |
3845591f | 683 | case VERIFY_CRC32C_INTEL: |
936216f8 | 684 | ret = verify_io_u_crc32c(hdr, &vc); |
bac39e0e | 685 | break; |
3f9f4e26 | 686 | case VERIFY_CRC32: |
936216f8 | 687 | ret = verify_io_u_crc32(hdr, &vc); |
3f9f4e26 SL |
688 | break; |
689 | case VERIFY_CRC16: | |
936216f8 | 690 | ret = verify_io_u_crc16(hdr, &vc); |
3f9f4e26 SL |
691 | break; |
692 | case VERIFY_CRC7: | |
936216f8 | 693 | ret = verify_io_u_crc7(hdr, &vc); |
3f9f4e26 | 694 | break; |
cd14cc10 | 695 | case VERIFY_SHA256: |
936216f8 | 696 | ret = verify_io_u_sha256(hdr, &vc); |
cd14cc10 JA |
697 | break; |
698 | case VERIFY_SHA512: | |
936216f8 | 699 | ret = verify_io_u_sha512(hdr, &vc); |
cd14cc10 | 700 | break; |
7437ee87 | 701 | case VERIFY_META: |
936216f8 | 702 | ret = verify_io_u_meta(hdr, td, &vc); |
7437ee87 | 703 | break; |
7c353ceb | 704 | case VERIFY_SHA1: |
936216f8 | 705 | ret = verify_io_u_sha1(hdr, &vc); |
7c353ceb | 706 | break; |
3f9f4e26 SL |
707 | default: |
708 | log_err("Bad verify type %u\n", hdr->verify_type); | |
d16d4e09 | 709 | ret = EINVAL; |
3f9f4e26 | 710 | } |
3f9f4e26 | 711 | } |
a7dfe862 | 712 | |
0d29de83 | 713 | done: |
f3e6cb95 JA |
714 | if (ret && td->o.verify_fatal) |
715 | td->terminate = 1; | |
716 | ||
a12a3b4d | 717 | return ret; |
e29d1b70 JA |
718 | } |
719 | ||
7437ee87 | 720 | static void fill_meta(struct verify_header *hdr, struct thread_data *td, |
5ec10eaa | 721 | struct io_u *io_u, unsigned int header_num) |
7437ee87 SL |
722 | { |
723 | struct vhdr_meta *vh = hdr_priv(hdr); | |
724 | ||
725 | vh->thread = td->thread_number; | |
726 | ||
727 | vh->time_sec = io_u->start_time.tv_sec; | |
728 | vh->time_usec = io_u->start_time.tv_usec; | |
729 | ||
730 | vh->numberio = td->io_issues[DDIR_WRITE]; | |
731 | ||
732 | vh->offset = io_u->offset + header_num * td->o.verify_interval; | |
733 | } | |
734 | ||
cd14cc10 JA |
735 | static void fill_sha512(struct verify_header *hdr, void *p, unsigned int len) |
736 | { | |
546dfd9f | 737 | struct vhdr_sha512 *vh = hdr_priv(hdr); |
cd14cc10 | 738 | struct sha512_ctx sha512_ctx = { |
546dfd9f | 739 | .buf = vh->sha512, |
cd14cc10 JA |
740 | }; |
741 | ||
742 | sha512_init(&sha512_ctx); | |
743 | sha512_update(&sha512_ctx, p, len); | |
744 | } | |
745 | ||
746 | static void fill_sha256(struct verify_header *hdr, void *p, unsigned int len) | |
747 | { | |
546dfd9f | 748 | struct vhdr_sha256 *vh = hdr_priv(hdr); |
cd14cc10 | 749 | struct sha256_ctx sha256_ctx = { |
546dfd9f | 750 | .buf = vh->sha256, |
cd14cc10 JA |
751 | }; |
752 | ||
753 | sha256_init(&sha256_ctx); | |
754 | sha256_update(&sha256_ctx, p, len); | |
755 | } | |
756 | ||
7c353ceb JA |
757 | static void fill_sha1(struct verify_header *hdr, void *p, unsigned int len) |
758 | { | |
759 | struct vhdr_sha1 *vh = hdr_priv(hdr); | |
760 | struct sha1_ctx sha1_ctx = { | |
761 | .H = vh->sha1, | |
762 | }; | |
763 | ||
764 | sha1_init(&sha1_ctx); | |
765 | sha1_update(&sha1_ctx, p, len); | |
766 | } | |
767 | ||
1e154bdb JA |
768 | static void fill_crc7(struct verify_header *hdr, void *p, unsigned int len) |
769 | { | |
546dfd9f JA |
770 | struct vhdr_crc7 *vh = hdr_priv(hdr); |
771 | ||
772 | vh->crc7 = crc7(p, len); | |
1e154bdb JA |
773 | } |
774 | ||
969f7ed3 JA |
775 | static void fill_crc16(struct verify_header *hdr, void *p, unsigned int len) |
776 | { | |
546dfd9f JA |
777 | struct vhdr_crc16 *vh = hdr_priv(hdr); |
778 | ||
779 | vh->crc16 = crc16(p, len); | |
969f7ed3 JA |
780 | } |
781 | ||
e29d1b70 JA |
782 | static void fill_crc32(struct verify_header *hdr, void *p, unsigned int len) |
783 | { | |
546dfd9f JA |
784 | struct vhdr_crc32 *vh = hdr_priv(hdr); |
785 | ||
786 | vh->crc32 = crc32(p, len); | |
e29d1b70 JA |
787 | } |
788 | ||
bac39e0e JA |
789 | static void fill_crc32c(struct verify_header *hdr, void *p, unsigned int len) |
790 | { | |
791 | struct vhdr_crc32 *vh = hdr_priv(hdr); | |
792 | ||
3845591f JA |
793 | if (hdr->verify_type == VERIFY_CRC32C_INTEL) |
794 | vh->crc32 = crc32c_intel(p, len); | |
795 | else | |
796 | vh->crc32 = crc32c(p, len); | |
bac39e0e JA |
797 | } |
798 | ||
d77a7af3 JA |
799 | static void fill_crc64(struct verify_header *hdr, void *p, unsigned int len) |
800 | { | |
546dfd9f JA |
801 | struct vhdr_crc64 *vh = hdr_priv(hdr); |
802 | ||
803 | vh->crc64 = crc64(p, len); | |
d77a7af3 JA |
804 | } |
805 | ||
e29d1b70 JA |
806 | static void fill_md5(struct verify_header *hdr, void *p, unsigned int len) |
807 | { | |
546dfd9f | 808 | struct vhdr_md5 *vh = hdr_priv(hdr); |
8c432325 | 809 | struct md5_ctx md5_ctx = { |
546dfd9f | 810 | .hash = (uint32_t *) vh->md5_digest, |
8c432325 | 811 | }; |
e29d1b70 | 812 | |
61f821f1 | 813 | md5_init(&md5_ctx); |
e29d1b70 | 814 | md5_update(&md5_ctx, p, len); |
e29d1b70 JA |
815 | } |
816 | ||
7d9fb455 JA |
817 | static void populate_hdr(struct thread_data *td, struct io_u *io_u, |
818 | struct verify_header *hdr, unsigned int header_num, | |
819 | unsigned int header_len) | |
820 | { | |
821 | unsigned int data_len; | |
822 | void *data, *p; | |
823 | ||
824 | p = (void *) hdr; | |
825 | ||
826 | hdr->fio_magic = FIO_HDR_MAGIC; | |
827 | hdr->len = header_len; | |
828 | hdr->verify_type = td->o.verify; | |
829 | hdr->rand_seed = io_u->rand_seed; | |
830 | data_len = header_len - hdr_size(hdr); | |
831 | ||
832 | data = p + hdr_size(hdr); | |
833 | switch (td->o.verify) { | |
834 | case VERIFY_MD5: | |
835 | dprint(FD_VERIFY, "fill md5 io_u %p, len %u\n", | |
836 | io_u, hdr->len); | |
837 | fill_md5(hdr, data, data_len); | |
838 | break; | |
839 | case VERIFY_CRC64: | |
840 | dprint(FD_VERIFY, "fill crc64 io_u %p, len %u\n", | |
841 | io_u, hdr->len); | |
842 | fill_crc64(hdr, data, data_len); | |
843 | break; | |
844 | case VERIFY_CRC32C: | |
845 | case VERIFY_CRC32C_INTEL: | |
846 | dprint(FD_VERIFY, "fill crc32c io_u %p, len %u\n", | |
847 | io_u, hdr->len); | |
848 | fill_crc32c(hdr, data, data_len); | |
849 | break; | |
850 | case VERIFY_CRC32: | |
851 | dprint(FD_VERIFY, "fill crc32 io_u %p, len %u\n", | |
852 | io_u, hdr->len); | |
853 | fill_crc32(hdr, data, data_len); | |
854 | break; | |
855 | case VERIFY_CRC16: | |
856 | dprint(FD_VERIFY, "fill crc16 io_u %p, len %u\n", | |
857 | io_u, hdr->len); | |
858 | fill_crc16(hdr, data, data_len); | |
859 | break; | |
860 | case VERIFY_CRC7: | |
861 | dprint(FD_VERIFY, "fill crc7 io_u %p, len %u\n", | |
862 | io_u, hdr->len); | |
863 | fill_crc7(hdr, data, data_len); | |
864 | break; | |
865 | case VERIFY_SHA256: | |
866 | dprint(FD_VERIFY, "fill sha256 io_u %p, len %u\n", | |
867 | io_u, hdr->len); | |
868 | fill_sha256(hdr, data, data_len); | |
869 | break; | |
870 | case VERIFY_SHA512: | |
871 | dprint(FD_VERIFY, "fill sha512 io_u %p, len %u\n", | |
872 | io_u, hdr->len); | |
873 | fill_sha512(hdr, data, data_len); | |
874 | break; | |
875 | case VERIFY_META: | |
876 | dprint(FD_VERIFY, "fill meta io_u %p, len %u\n", | |
877 | io_u, hdr->len); | |
878 | fill_meta(hdr, td, io_u, header_num); | |
879 | break; | |
880 | case VERIFY_SHA1: | |
881 | dprint(FD_VERIFY, "fill sha1 io_u %p, len %u\n", | |
882 | io_u, hdr->len); | |
883 | fill_sha1(hdr, data, data_len); | |
884 | break; | |
885 | default: | |
886 | log_err("fio: bad verify type: %d\n", td->o.verify); | |
887 | assert(0); | |
888 | } | |
889 | if (td->o.verify_offset) | |
890 | memswp(p, p + td->o.verify_offset, hdr_size(hdr)); | |
891 | } | |
892 | ||
e29d1b70 JA |
893 | /* |
894 | * fill body of io_u->buf with random data and add a header with the | |
c50ca7bd | 895 | * checksum of choice |
e29d1b70 JA |
896 | */ |
897 | void populate_verify_io_u(struct thread_data *td, struct io_u *io_u) | |
898 | { | |
9cc3d150 JA |
899 | if (td->o.verify == VERIFY_NULL) |
900 | return; | |
901 | ||
c50ca7bd | 902 | fill_pattern_headers(td, io_u, 0, 0); |
e29d1b70 JA |
903 | } |
904 | ||
905 | int get_next_verify(struct thread_data *td, struct io_u *io_u) | |
906 | { | |
8de8f047 | 907 | struct io_piece *ipo = NULL; |
e29d1b70 | 908 | |
d2d7fa53 JA |
909 | /* |
910 | * this io_u is from a requeue, we already filled the offsets | |
911 | */ | |
912 | if (io_u->file) | |
913 | return 0; | |
914 | ||
8de8f047 JA |
915 | if (!RB_EMPTY_ROOT(&td->io_hist_tree)) { |
916 | struct rb_node *n = rb_first(&td->io_hist_tree); | |
e29d1b70 | 917 | |
8de8f047 | 918 | ipo = rb_entry(n, struct io_piece, rb_node); |
4b87898e | 919 | rb_erase(n, &td->io_hist_tree); |
a917a8b3 JA |
920 | assert(ipo->flags & IP_F_ONRB); |
921 | ipo->flags &= ~IP_F_ONRB; | |
01743ee1 JA |
922 | } else if (!flist_empty(&td->io_hist_list)) { |
923 | ipo = flist_entry(td->io_hist_list.next, struct io_piece, list); | |
924 | flist_del(&ipo->list); | |
a917a8b3 JA |
925 | assert(ipo->flags & IP_F_ONLIST); |
926 | ipo->flags &= ~IP_F_ONLIST; | |
8de8f047 | 927 | } |
e29d1b70 | 928 | |
8de8f047 | 929 | if (ipo) { |
0d29de83 JA |
930 | td->io_hist_len--; |
931 | ||
e29d1b70 JA |
932 | io_u->offset = ipo->offset; |
933 | io_u->buflen = ipo->len; | |
36167d82 | 934 | io_u->file = ipo->file; |
97af62ce | 935 | |
0d29de83 JA |
936 | if (ipo->flags & IP_F_TRIMMED) |
937 | io_u->flags |= IO_U_F_TRIMMED; | |
938 | ||
d6aed795 | 939 | if (!fio_file_open(io_u->file)) { |
97af62ce JA |
940 | int r = td_io_open_file(td, io_u->file); |
941 | ||
bd6f78b2 JA |
942 | if (r) { |
943 | dprint(FD_VERIFY, "failed file %s open\n", | |
944 | io_u->file->file_name); | |
97af62ce | 945 | return 1; |
bd6f78b2 | 946 | } |
97af62ce JA |
947 | } |
948 | ||
949 | get_file(ipo->file); | |
d6aed795 | 950 | assert(fio_file_open(io_u->file)); |
e29d1b70 | 951 | io_u->ddir = DDIR_READ; |
36167d82 JA |
952 | io_u->xfer_buf = io_u->buf; |
953 | io_u->xfer_buflen = io_u->buflen; | |
0d29de83 JA |
954 | |
955 | remove_trim_entry(td, ipo); | |
e29d1b70 | 956 | free(ipo); |
bd6f78b2 | 957 | dprint(FD_VERIFY, "get_next_verify: ret io_u %p\n", io_u); |
e29d1b70 JA |
958 | return 0; |
959 | } | |
960 | ||
bd6f78b2 | 961 | dprint(FD_VERIFY, "get_next_verify: empty\n"); |
e29d1b70 JA |
962 | return 1; |
963 | } | |
e8462bd8 JA |
964 | |
965 | static void *verify_async_thread(void *data) | |
966 | { | |
967 | struct thread_data *td = data; | |
968 | struct io_u *io_u; | |
969 | int ret = 0; | |
970 | ||
971 | if (td->o.verify_cpumask_set && | |
972 | fio_setaffinity(td->pid, td->o.verify_cpumask)) { | |
973 | log_err("fio: failed setting verify thread affinity\n"); | |
974 | goto done; | |
975 | } | |
976 | ||
977 | do { | |
e53ab27c JA |
978 | FLIST_HEAD(list); |
979 | ||
e8462bd8 JA |
980 | read_barrier(); |
981 | if (td->verify_thread_exit) | |
982 | break; | |
983 | ||
984 | pthread_mutex_lock(&td->io_u_lock); | |
985 | ||
986 | while (flist_empty(&td->verify_list) && | |
987 | !td->verify_thread_exit) { | |
b36e298b JA |
988 | ret = pthread_cond_wait(&td->verify_cond, |
989 | &td->io_u_lock); | |
e8462bd8 JA |
990 | if (ret) { |
991 | pthread_mutex_unlock(&td->io_u_lock); | |
992 | break; | |
993 | } | |
994 | } | |
995 | ||
e53ab27c JA |
996 | flist_splice_init(&td->verify_list, &list); |
997 | pthread_mutex_unlock(&td->io_u_lock); | |
998 | ||
999 | if (flist_empty(&list)) | |
e8462bd8 | 1000 | continue; |
e8462bd8 | 1001 | |
e53ab27c JA |
1002 | while (!flist_empty(&list)) { |
1003 | io_u = flist_entry(list.next, struct io_u, list); | |
1004 | flist_del_init(&io_u->list); | |
e8462bd8 | 1005 | |
d561f2ab | 1006 | ret = verify_io_u(td, io_u); |
e53ab27c | 1007 | put_io_u(td, io_u); |
d561f2ab JA |
1008 | if (!ret) |
1009 | continue; | |
1010 | if (td->o.continue_on_error && | |
1011 | td_non_fatal_error(ret)) { | |
1012 | update_error_count(td, ret); | |
1013 | td_clear_error(td); | |
1014 | ret = 0; | |
1015 | } | |
e53ab27c | 1016 | } |
e8462bd8 JA |
1017 | } while (!ret); |
1018 | ||
d561f2ab JA |
1019 | if (ret) { |
1020 | td_verror(td, ret, "async_verify"); | |
f3e6cb95 JA |
1021 | if (td->o.verify_fatal) |
1022 | td->terminate = 1; | |
d561f2ab JA |
1023 | } |
1024 | ||
e8462bd8 JA |
1025 | done: |
1026 | pthread_mutex_lock(&td->io_u_lock); | |
1027 | td->nr_verify_threads--; | |
1028 | pthread_mutex_unlock(&td->io_u_lock); | |
1029 | ||
1030 | pthread_cond_signal(&td->free_cond); | |
1031 | return NULL; | |
1032 | } | |
1033 | ||
1034 | int verify_async_init(struct thread_data *td) | |
1035 | { | |
1036 | int i, ret; | |
304a47c7 VA |
1037 | pthread_attr_t attr; |
1038 | ||
1039 | pthread_attr_init(&attr); | |
1040 | pthread_attr_setstacksize(&attr, PTHREAD_STACK_MIN); | |
e8462bd8 JA |
1041 | |
1042 | td->verify_thread_exit = 0; | |
1043 | ||
1044 | td->verify_threads = malloc(sizeof(pthread_t) * td->o.verify_async); | |
1045 | for (i = 0; i < td->o.verify_async; i++) { | |
304a47c7 | 1046 | ret = pthread_create(&td->verify_threads[i], &attr, |
e8462bd8 JA |
1047 | verify_async_thread, td); |
1048 | if (ret) { | |
1049 | log_err("fio: async verify creation failed: %s\n", | |
1050 | strerror(ret)); | |
1051 | break; | |
1052 | } | |
1053 | ret = pthread_detach(td->verify_threads[i]); | |
1054 | if (ret) { | |
1055 | log_err("fio: async verify thread detach failed: %s\n", | |
1056 | strerror(ret)); | |
1057 | break; | |
1058 | } | |
1059 | td->nr_verify_threads++; | |
1060 | } | |
1061 | ||
304a47c7 VA |
1062 | pthread_attr_destroy(&attr); |
1063 | ||
e8462bd8 | 1064 | if (i != td->o.verify_async) { |
e40823b1 | 1065 | log_err("fio: only %d verify threads started, exiting\n", i); |
e8462bd8 JA |
1066 | td->verify_thread_exit = 1; |
1067 | write_barrier(); | |
1068 | pthread_cond_broadcast(&td->verify_cond); | |
1069 | return 1; | |
1070 | } | |
1071 | ||
1072 | return 0; | |
1073 | } | |
1074 | ||
1075 | void verify_async_exit(struct thread_data *td) | |
1076 | { | |
1077 | td->verify_thread_exit = 1; | |
1078 | write_barrier(); | |
1079 | pthread_cond_broadcast(&td->verify_cond); | |
1080 | ||
1081 | pthread_mutex_lock(&td->io_u_lock); | |
1082 | ||
1083 | while (td->nr_verify_threads) | |
1084 | pthread_cond_wait(&td->free_cond, &td->io_u_lock); | |
1085 | ||
1086 | pthread_mutex_unlock(&td->io_u_lock); | |
1087 | free(td->verify_threads); | |
1088 | td->verify_threads = NULL; | |
1089 | } |