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