Commit | Line | Data |
---|---|---|
e29d1b70 JA |
1 | /* |
2 | * IO verification helpers | |
3 | */ | |
4 | #include <unistd.h> | |
5 | #include <fcntl.h> | |
6 | #include <string.h> | |
97af62ce | 7 | #include <assert.h> |
e8462bd8 | 8 | #include <pthread.h> |
79402a12 | 9 | #include <libgen.h> |
e29d1b70 JA |
10 | |
11 | #include "fio.h" | |
4f5af7b2 | 12 | #include "verify.h" |
e8462bd8 | 13 | #include "smalloc.h" |
0d29de83 | 14 | #include "trim.h" |
637ef8d9 | 15 | #include "lib/rand.h" |
e29d1b70 | 16 | |
eef6eea1 JA |
17 | #include "crc/md5.h" |
18 | #include "crc/crc64.h" | |
19 | #include "crc/crc32.h" | |
bac39e0e | 20 | #include "crc/crc32c.h" |
eef6eea1 JA |
21 | #include "crc/crc16.h" |
22 | #include "crc/crc7.h" | |
23 | #include "crc/sha256.h" | |
24 | #include "crc/sha512.h" | |
7c353ceb | 25 | #include "crc/sha1.h" |
cd14cc10 | 26 | |
7d9fb455 JA |
27 | static void populate_hdr(struct thread_data *td, struct io_u *io_u, |
28 | struct verify_header *hdr, unsigned int header_num, | |
29 | unsigned int header_len); | |
30 | ||
31 | void fill_pattern(struct thread_data *td, void *p, unsigned int len, struct io_u *io_u, unsigned long seed, int use_seed) | |
90059d65 JA |
32 | { |
33 | switch (td->o.verify_pattern_bytes) { | |
34 | case 0: | |
bd6f78b2 | 35 | dprint(FD_VERIFY, "fill random bytes len=%u\n", len); |
7d9fb455 JA |
36 | if (use_seed) |
37 | __fill_random_buf(p, len, seed); | |
38 | else | |
39 | io_u->rand_seed = fill_random_buf(p, len); | |
90059d65 JA |
40 | break; |
41 | case 1: | |
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 | } | |
bd6f78b2 JA |
59 | dprint(FD_VERIFY, "fill verify pattern b=%d len=%u\n", |
60 | td->o.verify_pattern_bytes, len); | |
61 | ||
90059d65 | 62 | while (i < len) { |
0e92f873 RR |
63 | size = td->o.verify_pattern_bytes; |
64 | if (size > (len - i)) | |
65 | size = len - i; | |
66 | memcpy(b+i, td->o.verify_pattern, size); | |
67 | i += size; | |
90059d65 | 68 | } |
cbe8d756 | 69 | io_u->buf_filled_len = len; |
90059d65 JA |
70 | break; |
71 | } | |
72 | } | |
73 | } | |
74 | ||
c50ca7bd JA |
75 | static void fill_pattern_headers(struct thread_data *td, struct io_u *io_u, |
76 | unsigned long seed, int use_seed) | |
77 | { | |
78 | unsigned int hdr_inc, header_num; | |
79 | struct verify_header *hdr; | |
80 | void *p = io_u->buf; | |
81 | ||
82 | fill_pattern(td, p, io_u->buflen, io_u, seed, use_seed); | |
83 | ||
84 | hdr_inc = io_u->buflen; | |
85 | if (td->o.verify_interval) | |
86 | hdr_inc = td->o.verify_interval; | |
87 | ||
88 | header_num = 0; | |
89 | for (; p < io_u->buf + io_u->buflen; p += hdr_inc) { | |
90 | hdr = p; | |
91 | populate_hdr(td, io_u, hdr, header_num, hdr_inc); | |
92 | header_num++; | |
93 | } | |
94 | } | |
95 | ||
4764aec9 | 96 | static void memswp(void *buf1, void *buf2, unsigned int len) |
546a9142 | 97 | { |
dee6de74 SL |
98 | char swap[200]; |
99 | ||
100 | assert(len <= sizeof(swap)); | |
90059d65 | 101 | |
546a9142 SL |
102 | memcpy(&swap, buf1, len); |
103 | memcpy(buf1, buf2, len); | |
104 | memcpy(buf2, &swap, len); | |
105 | } | |
106 | ||
e29d1b70 JA |
107 | static void hexdump(void *buffer, int len) |
108 | { | |
109 | unsigned char *p = buffer; | |
110 | int i; | |
111 | ||
112 | for (i = 0; i < len; i++) | |
bfacf389 JA |
113 | log_err("%02x", p[i]); |
114 | log_err("\n"); | |
e29d1b70 JA |
115 | } |
116 | ||
87677832 JA |
117 | /* |
118 | * Prepare for seperation of verify_header and checksum header | |
119 | */ | |
546dfd9f | 120 | static inline unsigned int __hdr_size(int verify_type) |
87677832 | 121 | { |
03e20d68 | 122 | unsigned int len = 0; |
87677832 | 123 | |
546dfd9f JA |
124 | switch (verify_type) { |
125 | case VERIFY_NONE: | |
126 | case VERIFY_NULL: | |
127 | len = 0; | |
128 | break; | |
129 | case VERIFY_MD5: | |
130 | len = sizeof(struct vhdr_md5); | |
131 | break; | |
132 | case VERIFY_CRC64: | |
133 | len = sizeof(struct vhdr_crc64); | |
134 | break; | |
bac39e0e | 135 | case VERIFY_CRC32C: |
546dfd9f | 136 | case VERIFY_CRC32: |
3845591f | 137 | case VERIFY_CRC32C_INTEL: |
546dfd9f JA |
138 | len = sizeof(struct vhdr_crc32); |
139 | break; | |
140 | case VERIFY_CRC16: | |
141 | len = sizeof(struct vhdr_crc16); | |
142 | break; | |
143 | case VERIFY_CRC7: | |
144 | len = sizeof(struct vhdr_crc7); | |
145 | break; | |
146 | case VERIFY_SHA256: | |
147 | len = sizeof(struct vhdr_sha256); | |
148 | break; | |
149 | case VERIFY_SHA512: | |
150 | len = sizeof(struct vhdr_sha512); | |
151 | break; | |
7437ee87 SL |
152 | case VERIFY_META: |
153 | len = sizeof(struct vhdr_meta); | |
154 | break; | |
7c353ceb JA |
155 | case VERIFY_SHA1: |
156 | len = sizeof(struct vhdr_sha1); | |
157 | break; | |
546dfd9f JA |
158 | default: |
159 | log_err("fio: unknown verify header!\n"); | |
160 | assert(0); | |
161 | } | |
162 | ||
163 | return len + sizeof(struct verify_header); | |
87677832 JA |
164 | } |
165 | ||
166 | static inline unsigned int hdr_size(struct verify_header *hdr) | |
167 | { | |
546dfd9f JA |
168 | return __hdr_size(hdr->verify_type); |
169 | } | |
170 | ||
171 | static void *hdr_priv(struct verify_header *hdr) | |
172 | { | |
173 | void *priv = hdr; | |
174 | ||
175 | return priv + sizeof(struct verify_header); | |
87677832 JA |
176 | } |
177 | ||
936216f8 JA |
178 | /* |
179 | * Verify container, pass info to verify handlers and allow them to | |
180 | * pass info back in case of error | |
181 | */ | |
182 | struct vcont { | |
183 | /* | |
184 | * Input | |
185 | */ | |
186 | struct io_u *io_u; | |
187 | unsigned int hdr_num; | |
7d9fb455 | 188 | struct thread_data *td; |
936216f8 JA |
189 | |
190 | /* | |
191 | * Output, only valid in case of error | |
192 | */ | |
bfacf389 JA |
193 | const char *name; |
194 | void *good_crc; | |
195 | void *bad_crc; | |
936216f8 JA |
196 | unsigned int crc_len; |
197 | }; | |
198 | ||
c50ca7bd JA |
199 | static void dump_buf(char *buf, unsigned int len, unsigned long long offset, |
200 | const char *type, struct fio_file *f) | |
7d9fb455 | 201 | { |
6f260b31 | 202 | char *ptr, fname[256]; |
7d9fb455 JA |
203 | int ret, fd; |
204 | ||
6f260b31 JA |
205 | ptr = strdup(f->file_name); |
206 | strcpy(fname, basename(ptr)); | |
c50ca7bd JA |
207 | |
208 | sprintf(fname + strlen(fname), ".%llu.%s", offset, type); | |
7d9fb455 JA |
209 | |
210 | fd = open(fname, O_CREAT | O_TRUNC | O_WRONLY, 0644); | |
211 | if (fd < 0) { | |
212 | perror("open verify buf file"); | |
213 | return; | |
214 | } | |
215 | ||
216 | while (len) { | |
217 | ret = write(fd, buf, len); | |
218 | if (!ret) | |
219 | break; | |
220 | else if (ret < 0) { | |
221 | perror("write verify buf file"); | |
222 | break; | |
223 | } | |
224 | len -= ret; | |
225 | buf += ret; | |
226 | } | |
227 | ||
228 | close(fd); | |
c50ca7bd | 229 | log_err(" %s data dumped as %s\n", type, fname); |
6f260b31 | 230 | free(ptr); |
7d9fb455 JA |
231 | } |
232 | ||
c50ca7bd JA |
233 | /* |
234 | * Dump the contents of the read block and re-generate the correct data | |
235 | * and dump that too. | |
236 | */ | |
7d9fb455 JA |
237 | static void dump_verify_buffers(struct verify_header *hdr, struct vcont *vc) |
238 | { | |
239 | struct thread_data *td = vc->td; | |
240 | struct io_u *io_u = vc->io_u; | |
241 | unsigned long hdr_offset; | |
7d9fb455 | 242 | struct io_u dummy; |
c50ca7bd | 243 | void *buf; |
7d9fb455 | 244 | |
c50ca7bd JA |
245 | /* |
246 | * Dump the contents we just read off disk | |
247 | */ | |
7d9fb455 JA |
248 | hdr_offset = vc->hdr_num * hdr->len; |
249 | ||
c50ca7bd JA |
250 | dump_buf(io_u->buf + hdr_offset, hdr->len, io_u->offset + hdr_offset, |
251 | "received", vc->io_u->file); | |
7d9fb455 | 252 | |
c50ca7bd JA |
253 | /* |
254 | * Allocate a new buf and re-generate the original data | |
255 | */ | |
256 | buf = malloc(io_u->buflen); | |
7d9fb455 | 257 | dummy = *io_u; |
c50ca7bd | 258 | dummy.buf = buf; |
4aae38a6 | 259 | dummy.rand_seed = hdr->rand_seed; |
7d9fb455 | 260 | |
c50ca7bd | 261 | fill_pattern_headers(td, &dummy, hdr->rand_seed, 1); |
7d9fb455 | 262 | |
c50ca7bd JA |
263 | dump_buf(buf + hdr_offset, hdr->len, io_u->offset + hdr_offset, |
264 | "expected", vc->io_u->file); | |
7d9fb455 JA |
265 | free(buf); |
266 | } | |
267 | ||
bfacf389 JA |
268 | static void log_verify_failure(struct verify_header *hdr, struct vcont *vc) |
269 | { | |
270 | unsigned long long offset; | |
271 | ||
272 | offset = vc->io_u->offset; | |
273 | offset += vc->hdr_num * hdr->len; | |
32c17adf JA |
274 | log_err("%.8s: verify failed at file %s offset %llu, length %u\n", |
275 | vc->name, vc->io_u->file->file_name, offset, hdr->len); | |
bfacf389 JA |
276 | |
277 | if (vc->good_crc && vc->bad_crc) { | |
278 | log_err(" Expected CRC: "); | |
279 | hexdump(vc->good_crc, vc->crc_len); | |
280 | log_err(" Received CRC: "); | |
281 | hexdump(vc->bad_crc, vc->crc_len); | |
282 | } | |
7d9fb455 JA |
283 | |
284 | dump_verify_buffers(hdr, vc); | |
bfacf389 JA |
285 | } |
286 | ||
d9f2caf3 JA |
287 | /* |
288 | * Return data area 'header_num' | |
289 | */ | |
936216f8 | 290 | static inline void *io_u_verify_off(struct verify_header *hdr, struct vcont *vc) |
d9f2caf3 | 291 | { |
936216f8 | 292 | return vc->io_u->buf + vc->hdr_num * hdr->len + hdr_size(hdr); |
d9f2caf3 JA |
293 | } |
294 | ||
7437ee87 | 295 | static int verify_io_u_meta(struct verify_header *hdr, struct thread_data *td, |
936216f8 | 296 | struct vcont *vc) |
7437ee87 SL |
297 | { |
298 | struct vhdr_meta *vh = hdr_priv(hdr); | |
936216f8 | 299 | struct io_u *io_u = vc->io_u; |
7437ee87 | 300 | |
bd6f78b2 JA |
301 | dprint(FD_VERIFY, "meta verify io_u %p, len %u\n", io_u, hdr->len); |
302 | ||
bfacf389 JA |
303 | if (vh->offset == io_u->offset + vc->hdr_num * td->o.verify_interval) |
304 | return 0; | |
7437ee87 | 305 | |
bfacf389 JA |
306 | vc->name = "meta"; |
307 | log_verify_failure(hdr, vc); | |
308 | return EILSEQ; | |
7437ee87 SL |
309 | } |
310 | ||
936216f8 | 311 | static int verify_io_u_sha512(struct verify_header *hdr, struct vcont *vc) |
cd14cc10 | 312 | { |
936216f8 | 313 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 314 | struct vhdr_sha512 *vh = hdr_priv(hdr); |
cd14cc10 JA |
315 | uint8_t sha512[128]; |
316 | struct sha512_ctx sha512_ctx = { | |
317 | .buf = sha512, | |
318 | }; | |
319 | ||
936216f8 | 320 | dprint(FD_VERIFY, "sha512 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 321 | |
cd14cc10 | 322 | sha512_init(&sha512_ctx); |
87677832 | 323 | sha512_update(&sha512_ctx, p, hdr->len - hdr_size(hdr)); |
cd14cc10 | 324 | |
bfacf389 JA |
325 | if (!memcmp(vh->sha512, sha512_ctx.buf, sizeof(sha512))) |
326 | return 0; | |
cd14cc10 | 327 | |
bfacf389 JA |
328 | vc->name = "sha512"; |
329 | vc->good_crc = vh->sha512; | |
330 | vc->bad_crc = sha512_ctx.buf; | |
331 | vc->crc_len = sizeof(vh->sha512); | |
332 | log_verify_failure(hdr, vc); | |
333 | return EILSEQ; | |
cd14cc10 JA |
334 | } |
335 | ||
936216f8 | 336 | static int verify_io_u_sha256(struct verify_header *hdr, struct vcont *vc) |
cd14cc10 | 337 | { |
936216f8 | 338 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 339 | struct vhdr_sha256 *vh = hdr_priv(hdr); |
bc77f56f | 340 | uint8_t sha256[64]; |
cd14cc10 JA |
341 | struct sha256_ctx sha256_ctx = { |
342 | .buf = sha256, | |
343 | }; | |
344 | ||
936216f8 | 345 | dprint(FD_VERIFY, "sha256 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 346 | |
cd14cc10 | 347 | sha256_init(&sha256_ctx); |
87677832 | 348 | sha256_update(&sha256_ctx, p, hdr->len - hdr_size(hdr)); |
cd14cc10 | 349 | |
bfacf389 JA |
350 | if (!memcmp(vh->sha256, sha256_ctx.buf, sizeof(sha256))) |
351 | return 0; | |
cd14cc10 | 352 | |
bfacf389 JA |
353 | vc->name = "sha256"; |
354 | vc->good_crc = vh->sha256; | |
355 | vc->bad_crc = sha256_ctx.buf; | |
356 | vc->crc_len = sizeof(vh->sha256); | |
357 | log_verify_failure(hdr, vc); | |
358 | return EILSEQ; | |
cd14cc10 JA |
359 | } |
360 | ||
936216f8 | 361 | static int verify_io_u_sha1(struct verify_header *hdr, struct vcont *vc) |
7c353ceb | 362 | { |
936216f8 | 363 | void *p = io_u_verify_off(hdr, vc); |
7c353ceb JA |
364 | struct vhdr_sha1 *vh = hdr_priv(hdr); |
365 | uint32_t sha1[5]; | |
366 | struct sha1_ctx sha1_ctx = { | |
367 | .H = sha1, | |
368 | }; | |
369 | ||
936216f8 | 370 | dprint(FD_VERIFY, "sha1 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
7c353ceb JA |
371 | |
372 | sha1_init(&sha1_ctx); | |
373 | sha1_update(&sha1_ctx, p, hdr->len - hdr_size(hdr)); | |
374 | ||
bfacf389 JA |
375 | if (!memcmp(vh->sha1, sha1_ctx.H, sizeof(sha1))) |
376 | return 0; | |
7c353ceb | 377 | |
bfacf389 JA |
378 | vc->name = "sha1"; |
379 | vc->good_crc = vh->sha1; | |
380 | vc->bad_crc = sha1_ctx.H; | |
381 | vc->crc_len = sizeof(vh->sha1); | |
382 | log_verify_failure(hdr, vc); | |
383 | return EILSEQ; | |
7c353ceb JA |
384 | } |
385 | ||
936216f8 | 386 | static int verify_io_u_crc7(struct verify_header *hdr, struct vcont *vc) |
1e154bdb | 387 | { |
936216f8 | 388 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 389 | struct vhdr_crc7 *vh = hdr_priv(hdr); |
1e154bdb JA |
390 | unsigned char c; |
391 | ||
936216f8 | 392 | dprint(FD_VERIFY, "crc7 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 393 | |
87677832 | 394 | c = crc7(p, hdr->len - hdr_size(hdr)); |
1e154bdb | 395 | |
bfacf389 JA |
396 | if (c == vh->crc7) |
397 | return 0; | |
1e154bdb | 398 | |
bfacf389 JA |
399 | vc->name = "crc7"; |
400 | vc->good_crc = &vh->crc7; | |
401 | vc->bad_crc = &c; | |
402 | vc->crc_len = 1; | |
403 | log_verify_failure(hdr, vc); | |
404 | return EILSEQ; | |
1e154bdb JA |
405 | } |
406 | ||
936216f8 | 407 | static int verify_io_u_crc16(struct verify_header *hdr, struct vcont *vc) |
969f7ed3 | 408 | { |
936216f8 | 409 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 410 | struct vhdr_crc16 *vh = hdr_priv(hdr); |
969f7ed3 JA |
411 | unsigned short c; |
412 | ||
936216f8 | 413 | dprint(FD_VERIFY, "crc16 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 414 | |
87677832 | 415 | c = crc16(p, hdr->len - hdr_size(hdr)); |
969f7ed3 | 416 | |
bfacf389 JA |
417 | if (c == vh->crc16) |
418 | return 0; | |
969f7ed3 | 419 | |
bfacf389 JA |
420 | vc->name = "crc16"; |
421 | vc->good_crc = &vh->crc16; | |
422 | vc->bad_crc = &c; | |
423 | vc->crc_len = 2; | |
424 | log_verify_failure(hdr, vc); | |
425 | return EILSEQ; | |
969f7ed3 JA |
426 | } |
427 | ||
936216f8 | 428 | static int verify_io_u_crc64(struct verify_header *hdr, struct vcont *vc) |
d77a7af3 | 429 | { |
936216f8 | 430 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 431 | struct vhdr_crc64 *vh = hdr_priv(hdr); |
d77a7af3 JA |
432 | unsigned long long c; |
433 | ||
936216f8 | 434 | dprint(FD_VERIFY, "crc64 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 435 | |
87677832 | 436 | c = crc64(p, hdr->len - hdr_size(hdr)); |
d77a7af3 | 437 | |
bfacf389 JA |
438 | if (c == vh->crc64) |
439 | return 0; | |
d77a7af3 | 440 | |
bfacf389 JA |
441 | vc->name = "crc64"; |
442 | vc->good_crc = &vh->crc64; | |
443 | vc->bad_crc = &c; | |
444 | vc->crc_len = 8; | |
445 | log_verify_failure(hdr, vc); | |
446 | return EILSEQ; | |
d77a7af3 JA |
447 | } |
448 | ||
936216f8 | 449 | static int verify_io_u_crc32(struct verify_header *hdr, struct vcont *vc) |
e29d1b70 | 450 | { |
936216f8 | 451 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f JA |
452 | struct vhdr_crc32 *vh = hdr_priv(hdr); |
453 | uint32_t c; | |
e29d1b70 | 454 | |
936216f8 | 455 | dprint(FD_VERIFY, "crc32 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 456 | |
87677832 | 457 | c = crc32(p, hdr->len - hdr_size(hdr)); |
e29d1b70 | 458 | |
bfacf389 JA |
459 | if (c == vh->crc32) |
460 | return 0; | |
e29d1b70 | 461 | |
bfacf389 JA |
462 | vc->name = "crc32"; |
463 | vc->good_crc = &vh->crc32; | |
464 | vc->bad_crc = &c; | |
465 | vc->crc_len = 4; | |
466 | log_verify_failure(hdr, vc); | |
467 | return EILSEQ; | |
e29d1b70 JA |
468 | } |
469 | ||
936216f8 | 470 | static int verify_io_u_crc32c(struct verify_header *hdr, struct vcont *vc) |
bac39e0e | 471 | { |
936216f8 | 472 | void *p = io_u_verify_off(hdr, vc); |
bac39e0e JA |
473 | struct vhdr_crc32 *vh = hdr_priv(hdr); |
474 | uint32_t c; | |
475 | ||
936216f8 | 476 | dprint(FD_VERIFY, "crc32c verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bac39e0e | 477 | |
3845591f JA |
478 | if (hdr->verify_type == VERIFY_CRC32C_INTEL) |
479 | c = crc32c_intel(p, hdr->len - hdr_size(hdr)); | |
480 | else | |
481 | c = crc32c(p, hdr->len - hdr_size(hdr)); | |
bac39e0e | 482 | |
bfacf389 JA |
483 | if (c == vh->crc32) |
484 | return 0; | |
bac39e0e | 485 | |
bfacf389 JA |
486 | vc->name = "crc32c"; |
487 | vc->good_crc = &vh->crc32; | |
488 | vc->bad_crc = &c; | |
489 | vc->crc_len = 4; | |
490 | log_verify_failure(hdr, vc); | |
491 | return EILSEQ; | |
bac39e0e JA |
492 | } |
493 | ||
936216f8 | 494 | static int verify_io_u_md5(struct verify_header *hdr, struct vcont *vc) |
e29d1b70 | 495 | { |
936216f8 | 496 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 497 | struct vhdr_md5 *vh = hdr_priv(hdr); |
8c432325 JA |
498 | uint32_t hash[MD5_HASH_WORDS]; |
499 | struct md5_ctx md5_ctx = { | |
500 | .hash = hash, | |
501 | }; | |
e29d1b70 | 502 | |
936216f8 | 503 | dprint(FD_VERIFY, "md5 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 504 | |
61f821f1 | 505 | md5_init(&md5_ctx); |
87677832 | 506 | md5_update(&md5_ctx, p, hdr->len - hdr_size(hdr)); |
e29d1b70 | 507 | |
bfacf389 JA |
508 | if (!memcmp(vh->md5_digest, md5_ctx.hash, sizeof(hash))) |
509 | return 0; | |
e29d1b70 | 510 | |
bfacf389 JA |
511 | vc->name = "md5"; |
512 | vc->good_crc = vh->md5_digest; | |
513 | vc->bad_crc = md5_ctx.hash; | |
514 | vc->crc_len = sizeof(hash); | |
515 | log_verify_failure(hdr, vc); | |
516 | return EILSEQ; | |
e29d1b70 JA |
517 | } |
518 | ||
3f199b01 JA |
519 | static unsigned int hweight8(unsigned int w) |
520 | { | |
521 | unsigned int res = w - ((w >> 1) & 0x55); | |
522 | ||
523 | res = (res & 0x33) + ((res >> 2) & 0x33); | |
524 | return (res + (res >> 4)) & 0x0F; | |
525 | } | |
526 | ||
0e92f873 | 527 | int verify_io_u_pattern(char *pattern, unsigned long pattern_size, |
5ec10eaa | 528 | char *buf, unsigned int len, unsigned int mod) |
a944e335 SL |
529 | { |
530 | unsigned int i; | |
a944e335 SL |
531 | |
532 | for (i = 0; i < len; i++) { | |
0e92f873 | 533 | if (buf[i] != pattern[mod]) { |
3f199b01 JA |
534 | unsigned int bits; |
535 | ||
0e92f873 | 536 | bits = hweight8(buf[i] ^ pattern[mod]); |
3f199b01 | 537 | log_err("fio: got pattern %x, wanted %x. Bad bits %d\n", |
0e92f873 | 538 | buf[i], pattern[mod], bits); |
3f199b01 | 539 | log_err("fio: bad pattern block offset %u\n", i); |
9fd18969 | 540 | return EILSEQ; |
3f199b01 | 541 | } |
a944e335 SL |
542 | mod++; |
543 | if (mod == pattern_size) | |
544 | mod = 0; | |
545 | } | |
546 | ||
547 | return 0; | |
548 | } | |
549 | ||
e8462bd8 JA |
550 | /* |
551 | * Push IO verification to a separate thread | |
552 | */ | |
553 | int verify_io_u_async(struct thread_data *td, struct io_u *io_u) | |
554 | { | |
555 | if (io_u->file) | |
556 | put_file_log(td, io_u->file); | |
557 | ||
558 | io_u->file = NULL; | |
559 | ||
560 | pthread_mutex_lock(&td->io_u_lock); | |
0c41214f RR |
561 | |
562 | if (io_u->flags & IO_U_F_IN_CUR_DEPTH) { | |
563 | td->cur_depth--; | |
564 | io_u->flags &= ~IO_U_F_IN_CUR_DEPTH; | |
565 | } | |
e8462bd8 JA |
566 | flist_del(&io_u->list); |
567 | flist_add_tail(&io_u->list, &td->verify_list); | |
2ecc1b57 | 568 | io_u->flags |= IO_U_F_FREE_DEF; |
e8462bd8 JA |
569 | pthread_mutex_unlock(&td->io_u_lock); |
570 | ||
571 | pthread_cond_signal(&td->verify_cond); | |
e8462bd8 JA |
572 | return 0; |
573 | } | |
574 | ||
0d29de83 JA |
575 | static int verify_trimmed_io_u(struct thread_data *td, struct io_u *io_u) |
576 | { | |
577 | static char zero_buf[1024]; | |
578 | unsigned int this_len, len; | |
579 | int ret = 0; | |
580 | void *p; | |
581 | ||
582 | if (!td->o.trim_zero) | |
583 | return 0; | |
584 | ||
585 | len = io_u->buflen; | |
586 | p = io_u->buf; | |
587 | do { | |
588 | this_len = sizeof(zero_buf); | |
589 | if (this_len > len) | |
590 | this_len = len; | |
591 | if (memcmp(p, zero_buf, this_len)) { | |
592 | ret = EILSEQ; | |
593 | break; | |
594 | } | |
595 | len -= this_len; | |
596 | p += this_len; | |
597 | } while (len); | |
598 | ||
599 | if (!ret) | |
600 | return 0; | |
601 | ||
a917a8b3 JA |
602 | log_err("trim: verify failed at file %s offset %llu, length %lu" |
603 | ", block offset %lu\n", | |
604 | io_u->file->file_name, io_u->offset, io_u->buflen, | |
2f68124f | 605 | (unsigned long) (p - io_u->buf)); |
0d29de83 JA |
606 | return ret; |
607 | } | |
608 | ||
36690c9b | 609 | int verify_io_u(struct thread_data *td, struct io_u *io_u) |
e29d1b70 | 610 | { |
3f9f4e26 | 611 | struct verify_header *hdr; |
a944e335 | 612 | unsigned int hdr_size, hdr_inc, hdr_num = 0; |
95646108 | 613 | void *p; |
e29d1b70 JA |
614 | int ret; |
615 | ||
1dcc0498 | 616 | if (td->o.verify == VERIFY_NULL || io_u->ddir != DDIR_READ) |
36690c9b | 617 | return 0; |
0d29de83 JA |
618 | if (io_u->flags & IO_U_F_TRIMMED) { |
619 | ret = verify_trimmed_io_u(td, io_u); | |
620 | goto done; | |
621 | } | |
36690c9b | 622 | |
3f9f4e26 | 623 | hdr_inc = io_u->buflen; |
a59e170d JA |
624 | if (td->o.verify_interval) |
625 | hdr_inc = td->o.verify_interval; | |
e29d1b70 | 626 | |
a12a3b4d | 627 | ret = 0; |
5ec10eaa JA |
628 | for (p = io_u->buf; p < io_u->buf + io_u->buflen; |
629 | p += hdr_inc, hdr_num++) { | |
bfacf389 JA |
630 | struct vcont vc = { |
631 | .io_u = io_u, | |
632 | .hdr_num = hdr_num, | |
7d9fb455 | 633 | .td = td, |
bfacf389 | 634 | }; |
936216f8 | 635 | |
f3e6cb95 | 636 | if (ret && td->o.verify_fatal) |
a12a3b4d | 637 | break; |
f3e6cb95 | 638 | |
a944e335 | 639 | hdr_size = __hdr_size(td->o.verify); |
a59e170d | 640 | if (td->o.verify_offset) |
a944e335 | 641 | memswp(p, p + td->o.verify_offset, hdr_size); |
95646108 | 642 | hdr = p; |
e29d1b70 | 643 | |
3f199b01 | 644 | if (hdr->fio_magic != FIO_HDR_MAGIC) { |
c9b44031 JA |
645 | log_err("verify: bad magic header %x, wanted %x at file %s offset %llu, length %u\n", |
646 | hdr->fio_magic, FIO_HDR_MAGIC, | |
647 | io_u->file->file_name, | |
648 | io_u->offset + hdr_num * hdr->len, hdr->len); | |
9fd18969 | 649 | return EILSEQ; |
3f199b01 JA |
650 | } |
651 | ||
e28218f3 | 652 | if (td->o.verify_pattern_bytes) { |
bd6f78b2 JA |
653 | dprint(FD_VERIFY, "pattern verify io_u %p, len %u\n", |
654 | io_u, hdr->len); | |
e28218f3 | 655 | ret = verify_io_u_pattern(td->o.verify_pattern, |
0e92f873 RR |
656 | td->o.verify_pattern_bytes, |
657 | p + hdr_size, | |
658 | hdr_inc - hdr_size, | |
659 | hdr_size % td->o.verify_pattern_bytes); | |
c9b44031 JA |
660 | |
661 | if (ret) { | |
662 | log_err("pattern: verify failed at file %s offset %llu, length %u\n", | |
663 | io_u->file->file_name, | |
664 | io_u->offset + hdr_num * hdr->len, | |
665 | hdr->len); | |
666 | } | |
667 | ||
e92d3d71 RR |
668 | /* |
669 | * Also verify the meta data, if applicable | |
670 | */ | |
671 | if (hdr->verify_type == VERIFY_META) | |
936216f8 | 672 | ret |= verify_io_u_meta(hdr, td, &vc); |
e28218f3 SL |
673 | continue; |
674 | } | |
675 | ||
3f9f4e26 SL |
676 | switch (hdr->verify_type) { |
677 | case VERIFY_MD5: | |
936216f8 | 678 | ret = verify_io_u_md5(hdr, &vc); |
3f9f4e26 SL |
679 | break; |
680 | case VERIFY_CRC64: | |
936216f8 | 681 | ret = verify_io_u_crc64(hdr, &vc); |
3f9f4e26 | 682 | break; |
bac39e0e | 683 | case VERIFY_CRC32C: |
3845591f | 684 | case VERIFY_CRC32C_INTEL: |
936216f8 | 685 | ret = verify_io_u_crc32c(hdr, &vc); |
bac39e0e | 686 | break; |
3f9f4e26 | 687 | case VERIFY_CRC32: |
936216f8 | 688 | ret = verify_io_u_crc32(hdr, &vc); |
3f9f4e26 SL |
689 | break; |
690 | case VERIFY_CRC16: | |
936216f8 | 691 | ret = verify_io_u_crc16(hdr, &vc); |
3f9f4e26 SL |
692 | break; |
693 | case VERIFY_CRC7: | |
936216f8 | 694 | ret = verify_io_u_crc7(hdr, &vc); |
3f9f4e26 | 695 | break; |
cd14cc10 | 696 | case VERIFY_SHA256: |
936216f8 | 697 | ret = verify_io_u_sha256(hdr, &vc); |
cd14cc10 JA |
698 | break; |
699 | case VERIFY_SHA512: | |
936216f8 | 700 | ret = verify_io_u_sha512(hdr, &vc); |
cd14cc10 | 701 | break; |
7437ee87 | 702 | case VERIFY_META: |
936216f8 | 703 | ret = verify_io_u_meta(hdr, td, &vc); |
7437ee87 | 704 | break; |
7c353ceb | 705 | case VERIFY_SHA1: |
936216f8 | 706 | ret = verify_io_u_sha1(hdr, &vc); |
7c353ceb | 707 | break; |
3f9f4e26 SL |
708 | default: |
709 | log_err("Bad verify type %u\n", hdr->verify_type); | |
d16d4e09 | 710 | ret = EINVAL; |
3f9f4e26 | 711 | } |
3f9f4e26 | 712 | } |
a7dfe862 | 713 | |
0d29de83 | 714 | done: |
f3e6cb95 JA |
715 | if (ret && td->o.verify_fatal) |
716 | td->terminate = 1; | |
717 | ||
a12a3b4d | 718 | return ret; |
e29d1b70 JA |
719 | } |
720 | ||
7437ee87 | 721 | static void fill_meta(struct verify_header *hdr, struct thread_data *td, |
5ec10eaa | 722 | struct io_u *io_u, unsigned int header_num) |
7437ee87 SL |
723 | { |
724 | struct vhdr_meta *vh = hdr_priv(hdr); | |
725 | ||
726 | vh->thread = td->thread_number; | |
727 | ||
728 | vh->time_sec = io_u->start_time.tv_sec; | |
729 | vh->time_usec = io_u->start_time.tv_usec; | |
730 | ||
731 | vh->numberio = td->io_issues[DDIR_WRITE]; | |
732 | ||
733 | vh->offset = io_u->offset + header_num * td->o.verify_interval; | |
734 | } | |
735 | ||
cd14cc10 JA |
736 | static void fill_sha512(struct verify_header *hdr, void *p, unsigned int len) |
737 | { | |
546dfd9f | 738 | struct vhdr_sha512 *vh = hdr_priv(hdr); |
cd14cc10 | 739 | struct sha512_ctx sha512_ctx = { |
546dfd9f | 740 | .buf = vh->sha512, |
cd14cc10 JA |
741 | }; |
742 | ||
743 | sha512_init(&sha512_ctx); | |
744 | sha512_update(&sha512_ctx, p, len); | |
745 | } | |
746 | ||
747 | static void fill_sha256(struct verify_header *hdr, void *p, unsigned int len) | |
748 | { | |
546dfd9f | 749 | struct vhdr_sha256 *vh = hdr_priv(hdr); |
cd14cc10 | 750 | struct sha256_ctx sha256_ctx = { |
546dfd9f | 751 | .buf = vh->sha256, |
cd14cc10 JA |
752 | }; |
753 | ||
754 | sha256_init(&sha256_ctx); | |
755 | sha256_update(&sha256_ctx, p, len); | |
756 | } | |
757 | ||
7c353ceb JA |
758 | static void fill_sha1(struct verify_header *hdr, void *p, unsigned int len) |
759 | { | |
760 | struct vhdr_sha1 *vh = hdr_priv(hdr); | |
761 | struct sha1_ctx sha1_ctx = { | |
762 | .H = vh->sha1, | |
763 | }; | |
764 | ||
765 | sha1_init(&sha1_ctx); | |
766 | sha1_update(&sha1_ctx, p, len); | |
767 | } | |
768 | ||
1e154bdb JA |
769 | static void fill_crc7(struct verify_header *hdr, void *p, unsigned int len) |
770 | { | |
546dfd9f JA |
771 | struct vhdr_crc7 *vh = hdr_priv(hdr); |
772 | ||
773 | vh->crc7 = crc7(p, len); | |
1e154bdb JA |
774 | } |
775 | ||
969f7ed3 JA |
776 | static void fill_crc16(struct verify_header *hdr, void *p, unsigned int len) |
777 | { | |
546dfd9f JA |
778 | struct vhdr_crc16 *vh = hdr_priv(hdr); |
779 | ||
780 | vh->crc16 = crc16(p, len); | |
969f7ed3 JA |
781 | } |
782 | ||
e29d1b70 JA |
783 | static void fill_crc32(struct verify_header *hdr, void *p, unsigned int len) |
784 | { | |
546dfd9f JA |
785 | struct vhdr_crc32 *vh = hdr_priv(hdr); |
786 | ||
787 | vh->crc32 = crc32(p, len); | |
e29d1b70 JA |
788 | } |
789 | ||
bac39e0e JA |
790 | static void fill_crc32c(struct verify_header *hdr, void *p, unsigned int len) |
791 | { | |
792 | struct vhdr_crc32 *vh = hdr_priv(hdr); | |
793 | ||
3845591f JA |
794 | if (hdr->verify_type == VERIFY_CRC32C_INTEL) |
795 | vh->crc32 = crc32c_intel(p, len); | |
796 | else | |
797 | vh->crc32 = crc32c(p, len); | |
bac39e0e JA |
798 | } |
799 | ||
d77a7af3 JA |
800 | static void fill_crc64(struct verify_header *hdr, void *p, unsigned int len) |
801 | { | |
546dfd9f JA |
802 | struct vhdr_crc64 *vh = hdr_priv(hdr); |
803 | ||
804 | vh->crc64 = crc64(p, len); | |
d77a7af3 JA |
805 | } |
806 | ||
e29d1b70 JA |
807 | static void fill_md5(struct verify_header *hdr, void *p, unsigned int len) |
808 | { | |
546dfd9f | 809 | struct vhdr_md5 *vh = hdr_priv(hdr); |
8c432325 | 810 | struct md5_ctx md5_ctx = { |
546dfd9f | 811 | .hash = (uint32_t *) vh->md5_digest, |
8c432325 | 812 | }; |
e29d1b70 | 813 | |
61f821f1 | 814 | md5_init(&md5_ctx); |
e29d1b70 | 815 | md5_update(&md5_ctx, p, len); |
e29d1b70 JA |
816 | } |
817 | ||
7d9fb455 JA |
818 | static void populate_hdr(struct thread_data *td, struct io_u *io_u, |
819 | struct verify_header *hdr, unsigned int header_num, | |
820 | unsigned int header_len) | |
821 | { | |
822 | unsigned int data_len; | |
823 | void *data, *p; | |
824 | ||
825 | p = (void *) hdr; | |
826 | ||
827 | hdr->fio_magic = FIO_HDR_MAGIC; | |
828 | hdr->len = header_len; | |
829 | hdr->verify_type = td->o.verify; | |
830 | hdr->rand_seed = io_u->rand_seed; | |
831 | data_len = header_len - hdr_size(hdr); | |
832 | ||
833 | data = p + hdr_size(hdr); | |
834 | switch (td->o.verify) { | |
835 | case VERIFY_MD5: | |
836 | dprint(FD_VERIFY, "fill md5 io_u %p, len %u\n", | |
837 | io_u, hdr->len); | |
838 | fill_md5(hdr, data, data_len); | |
839 | break; | |
840 | case VERIFY_CRC64: | |
841 | dprint(FD_VERIFY, "fill crc64 io_u %p, len %u\n", | |
842 | io_u, hdr->len); | |
843 | fill_crc64(hdr, data, data_len); | |
844 | break; | |
845 | case VERIFY_CRC32C: | |
846 | case VERIFY_CRC32C_INTEL: | |
847 | dprint(FD_VERIFY, "fill crc32c io_u %p, len %u\n", | |
848 | io_u, hdr->len); | |
849 | fill_crc32c(hdr, data, data_len); | |
850 | break; | |
851 | case VERIFY_CRC32: | |
852 | dprint(FD_VERIFY, "fill crc32 io_u %p, len %u\n", | |
853 | io_u, hdr->len); | |
854 | fill_crc32(hdr, data, data_len); | |
855 | break; | |
856 | case VERIFY_CRC16: | |
857 | dprint(FD_VERIFY, "fill crc16 io_u %p, len %u\n", | |
858 | io_u, hdr->len); | |
859 | fill_crc16(hdr, data, data_len); | |
860 | break; | |
861 | case VERIFY_CRC7: | |
862 | dprint(FD_VERIFY, "fill crc7 io_u %p, len %u\n", | |
863 | io_u, hdr->len); | |
864 | fill_crc7(hdr, data, data_len); | |
865 | break; | |
866 | case VERIFY_SHA256: | |
867 | dprint(FD_VERIFY, "fill sha256 io_u %p, len %u\n", | |
868 | io_u, hdr->len); | |
869 | fill_sha256(hdr, data, data_len); | |
870 | break; | |
871 | case VERIFY_SHA512: | |
872 | dprint(FD_VERIFY, "fill sha512 io_u %p, len %u\n", | |
873 | io_u, hdr->len); | |
874 | fill_sha512(hdr, data, data_len); | |
875 | break; | |
876 | case VERIFY_META: | |
877 | dprint(FD_VERIFY, "fill meta io_u %p, len %u\n", | |
878 | io_u, hdr->len); | |
879 | fill_meta(hdr, td, io_u, header_num); | |
880 | break; | |
881 | case VERIFY_SHA1: | |
882 | dprint(FD_VERIFY, "fill sha1 io_u %p, len %u\n", | |
883 | io_u, hdr->len); | |
884 | fill_sha1(hdr, data, data_len); | |
885 | break; | |
886 | default: | |
887 | log_err("fio: bad verify type: %d\n", td->o.verify); | |
888 | assert(0); | |
889 | } | |
890 | if (td->o.verify_offset) | |
891 | memswp(p, p + td->o.verify_offset, hdr_size(hdr)); | |
892 | } | |
893 | ||
e29d1b70 JA |
894 | /* |
895 | * fill body of io_u->buf with random data and add a header with the | |
c50ca7bd | 896 | * checksum of choice |
e29d1b70 JA |
897 | */ |
898 | void populate_verify_io_u(struct thread_data *td, struct io_u *io_u) | |
899 | { | |
9cc3d150 JA |
900 | if (td->o.verify == VERIFY_NULL) |
901 | return; | |
902 | ||
c50ca7bd | 903 | fill_pattern_headers(td, io_u, 0, 0); |
e29d1b70 JA |
904 | } |
905 | ||
906 | int get_next_verify(struct thread_data *td, struct io_u *io_u) | |
907 | { | |
8de8f047 | 908 | struct io_piece *ipo = NULL; |
e29d1b70 | 909 | |
d2d7fa53 JA |
910 | /* |
911 | * this io_u is from a requeue, we already filled the offsets | |
912 | */ | |
913 | if (io_u->file) | |
914 | return 0; | |
915 | ||
8de8f047 JA |
916 | if (!RB_EMPTY_ROOT(&td->io_hist_tree)) { |
917 | struct rb_node *n = rb_first(&td->io_hist_tree); | |
e29d1b70 | 918 | |
8de8f047 | 919 | ipo = rb_entry(n, struct io_piece, rb_node); |
4b87898e | 920 | rb_erase(n, &td->io_hist_tree); |
a917a8b3 JA |
921 | assert(ipo->flags & IP_F_ONRB); |
922 | ipo->flags &= ~IP_F_ONRB; | |
01743ee1 JA |
923 | } else if (!flist_empty(&td->io_hist_list)) { |
924 | ipo = flist_entry(td->io_hist_list.next, struct io_piece, list); | |
925 | flist_del(&ipo->list); | |
a917a8b3 JA |
926 | assert(ipo->flags & IP_F_ONLIST); |
927 | ipo->flags &= ~IP_F_ONLIST; | |
8de8f047 | 928 | } |
e29d1b70 | 929 | |
8de8f047 | 930 | if (ipo) { |
0d29de83 JA |
931 | td->io_hist_len--; |
932 | ||
e29d1b70 JA |
933 | io_u->offset = ipo->offset; |
934 | io_u->buflen = ipo->len; | |
36167d82 | 935 | io_u->file = ipo->file; |
97af62ce | 936 | |
0d29de83 JA |
937 | if (ipo->flags & IP_F_TRIMMED) |
938 | io_u->flags |= IO_U_F_TRIMMED; | |
939 | ||
d6aed795 | 940 | if (!fio_file_open(io_u->file)) { |
97af62ce JA |
941 | int r = td_io_open_file(td, io_u->file); |
942 | ||
bd6f78b2 JA |
943 | if (r) { |
944 | dprint(FD_VERIFY, "failed file %s open\n", | |
945 | io_u->file->file_name); | |
97af62ce | 946 | return 1; |
bd6f78b2 | 947 | } |
97af62ce JA |
948 | } |
949 | ||
950 | get_file(ipo->file); | |
d6aed795 | 951 | assert(fio_file_open(io_u->file)); |
e29d1b70 | 952 | io_u->ddir = DDIR_READ; |
36167d82 JA |
953 | io_u->xfer_buf = io_u->buf; |
954 | io_u->xfer_buflen = io_u->buflen; | |
0d29de83 JA |
955 | |
956 | remove_trim_entry(td, ipo); | |
e29d1b70 | 957 | free(ipo); |
bd6f78b2 | 958 | dprint(FD_VERIFY, "get_next_verify: ret io_u %p\n", io_u); |
e29d1b70 JA |
959 | return 0; |
960 | } | |
961 | ||
bd6f78b2 | 962 | dprint(FD_VERIFY, "get_next_verify: empty\n"); |
e29d1b70 JA |
963 | return 1; |
964 | } | |
e8462bd8 JA |
965 | |
966 | static void *verify_async_thread(void *data) | |
967 | { | |
968 | struct thread_data *td = data; | |
969 | struct io_u *io_u; | |
970 | int ret = 0; | |
971 | ||
972 | if (td->o.verify_cpumask_set && | |
973 | fio_setaffinity(td->pid, td->o.verify_cpumask)) { | |
974 | log_err("fio: failed setting verify thread affinity\n"); | |
975 | goto done; | |
976 | } | |
977 | ||
978 | do { | |
e53ab27c JA |
979 | FLIST_HEAD(list); |
980 | ||
e8462bd8 JA |
981 | read_barrier(); |
982 | if (td->verify_thread_exit) | |
983 | break; | |
984 | ||
985 | pthread_mutex_lock(&td->io_u_lock); | |
986 | ||
987 | while (flist_empty(&td->verify_list) && | |
988 | !td->verify_thread_exit) { | |
b36e298b JA |
989 | ret = pthread_cond_wait(&td->verify_cond, |
990 | &td->io_u_lock); | |
e8462bd8 JA |
991 | if (ret) { |
992 | pthread_mutex_unlock(&td->io_u_lock); | |
993 | break; | |
994 | } | |
995 | } | |
996 | ||
e53ab27c JA |
997 | flist_splice_init(&td->verify_list, &list); |
998 | pthread_mutex_unlock(&td->io_u_lock); | |
999 | ||
1000 | if (flist_empty(&list)) | |
e8462bd8 | 1001 | continue; |
e8462bd8 | 1002 | |
e53ab27c JA |
1003 | while (!flist_empty(&list)) { |
1004 | io_u = flist_entry(list.next, struct io_u, list); | |
1005 | flist_del_init(&io_u->list); | |
e8462bd8 | 1006 | |
d561f2ab | 1007 | ret = verify_io_u(td, io_u); |
e53ab27c | 1008 | put_io_u(td, io_u); |
d561f2ab JA |
1009 | if (!ret) |
1010 | continue; | |
1011 | if (td->o.continue_on_error && | |
1012 | td_non_fatal_error(ret)) { | |
1013 | update_error_count(td, ret); | |
1014 | td_clear_error(td); | |
1015 | ret = 0; | |
1016 | } | |
e53ab27c | 1017 | } |
e8462bd8 JA |
1018 | } while (!ret); |
1019 | ||
d561f2ab JA |
1020 | if (ret) { |
1021 | td_verror(td, ret, "async_verify"); | |
f3e6cb95 JA |
1022 | if (td->o.verify_fatal) |
1023 | td->terminate = 1; | |
d561f2ab JA |
1024 | } |
1025 | ||
e8462bd8 JA |
1026 | done: |
1027 | pthread_mutex_lock(&td->io_u_lock); | |
1028 | td->nr_verify_threads--; | |
1029 | pthread_mutex_unlock(&td->io_u_lock); | |
1030 | ||
1031 | pthread_cond_signal(&td->free_cond); | |
1032 | return NULL; | |
1033 | } | |
1034 | ||
1035 | int verify_async_init(struct thread_data *td) | |
1036 | { | |
1037 | int i, ret; | |
304a47c7 VA |
1038 | pthread_attr_t attr; |
1039 | ||
1040 | pthread_attr_init(&attr); | |
1041 | pthread_attr_setstacksize(&attr, PTHREAD_STACK_MIN); | |
e8462bd8 JA |
1042 | |
1043 | td->verify_thread_exit = 0; | |
1044 | ||
1045 | td->verify_threads = malloc(sizeof(pthread_t) * td->o.verify_async); | |
1046 | for (i = 0; i < td->o.verify_async; i++) { | |
304a47c7 | 1047 | ret = pthread_create(&td->verify_threads[i], &attr, |
e8462bd8 JA |
1048 | verify_async_thread, td); |
1049 | if (ret) { | |
1050 | log_err("fio: async verify creation failed: %s\n", | |
1051 | strerror(ret)); | |
1052 | break; | |
1053 | } | |
1054 | ret = pthread_detach(td->verify_threads[i]); | |
1055 | if (ret) { | |
1056 | log_err("fio: async verify thread detach failed: %s\n", | |
1057 | strerror(ret)); | |
1058 | break; | |
1059 | } | |
1060 | td->nr_verify_threads++; | |
1061 | } | |
1062 | ||
304a47c7 VA |
1063 | pthread_attr_destroy(&attr); |
1064 | ||
e8462bd8 | 1065 | if (i != td->o.verify_async) { |
e40823b1 | 1066 | log_err("fio: only %d verify threads started, exiting\n", i); |
e8462bd8 JA |
1067 | td->verify_thread_exit = 1; |
1068 | write_barrier(); | |
1069 | pthread_cond_broadcast(&td->verify_cond); | |
1070 | return 1; | |
1071 | } | |
1072 | ||
1073 | return 0; | |
1074 | } | |
1075 | ||
1076 | void verify_async_exit(struct thread_data *td) | |
1077 | { | |
1078 | td->verify_thread_exit = 1; | |
1079 | write_barrier(); | |
1080 | pthread_cond_broadcast(&td->verify_cond); | |
1081 | ||
1082 | pthread_mutex_lock(&td->io_u_lock); | |
1083 | ||
1084 | while (td->nr_verify_threads) | |
1085 | pthread_cond_wait(&td->free_cond, &td->io_u_lock); | |
1086 | ||
1087 | pthread_mutex_unlock(&td->io_u_lock); | |
1088 | free(td->verify_threads); | |
1089 | td->verify_threads = NULL; | |
1090 | } |