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 | ||
4764aec9 | 74 | static void memswp(void *buf1, void *buf2, unsigned int len) |
546a9142 | 75 | { |
dee6de74 SL |
76 | char swap[200]; |
77 | ||
78 | assert(len <= sizeof(swap)); | |
90059d65 | 79 | |
546a9142 SL |
80 | memcpy(&swap, buf1, len); |
81 | memcpy(buf1, buf2, len); | |
82 | memcpy(buf2, &swap, len); | |
83 | } | |
84 | ||
e29d1b70 JA |
85 | static void hexdump(void *buffer, int len) |
86 | { | |
87 | unsigned char *p = buffer; | |
88 | int i; | |
89 | ||
90 | for (i = 0; i < len; i++) | |
bfacf389 JA |
91 | log_err("%02x", p[i]); |
92 | log_err("\n"); | |
e29d1b70 JA |
93 | } |
94 | ||
87677832 JA |
95 | /* |
96 | * Prepare for seperation of verify_header and checksum header | |
97 | */ | |
546dfd9f | 98 | static inline unsigned int __hdr_size(int verify_type) |
87677832 | 99 | { |
03e20d68 | 100 | unsigned int len = 0; |
87677832 | 101 | |
546dfd9f JA |
102 | switch (verify_type) { |
103 | case VERIFY_NONE: | |
104 | case VERIFY_NULL: | |
105 | len = 0; | |
106 | break; | |
107 | case VERIFY_MD5: | |
108 | len = sizeof(struct vhdr_md5); | |
109 | break; | |
110 | case VERIFY_CRC64: | |
111 | len = sizeof(struct vhdr_crc64); | |
112 | break; | |
bac39e0e | 113 | case VERIFY_CRC32C: |
546dfd9f | 114 | case VERIFY_CRC32: |
3845591f | 115 | case VERIFY_CRC32C_INTEL: |
546dfd9f JA |
116 | len = sizeof(struct vhdr_crc32); |
117 | break; | |
118 | case VERIFY_CRC16: | |
119 | len = sizeof(struct vhdr_crc16); | |
120 | break; | |
121 | case VERIFY_CRC7: | |
122 | len = sizeof(struct vhdr_crc7); | |
123 | break; | |
124 | case VERIFY_SHA256: | |
125 | len = sizeof(struct vhdr_sha256); | |
126 | break; | |
127 | case VERIFY_SHA512: | |
128 | len = sizeof(struct vhdr_sha512); | |
129 | break; | |
7437ee87 SL |
130 | case VERIFY_META: |
131 | len = sizeof(struct vhdr_meta); | |
132 | break; | |
7c353ceb JA |
133 | case VERIFY_SHA1: |
134 | len = sizeof(struct vhdr_sha1); | |
135 | break; | |
546dfd9f JA |
136 | default: |
137 | log_err("fio: unknown verify header!\n"); | |
138 | assert(0); | |
139 | } | |
140 | ||
141 | return len + sizeof(struct verify_header); | |
87677832 JA |
142 | } |
143 | ||
144 | static inline unsigned int hdr_size(struct verify_header *hdr) | |
145 | { | |
546dfd9f JA |
146 | return __hdr_size(hdr->verify_type); |
147 | } | |
148 | ||
149 | static void *hdr_priv(struct verify_header *hdr) | |
150 | { | |
151 | void *priv = hdr; | |
152 | ||
153 | return priv + sizeof(struct verify_header); | |
87677832 JA |
154 | } |
155 | ||
936216f8 JA |
156 | /* |
157 | * Verify container, pass info to verify handlers and allow them to | |
158 | * pass info back in case of error | |
159 | */ | |
160 | struct vcont { | |
161 | /* | |
162 | * Input | |
163 | */ | |
164 | struct io_u *io_u; | |
165 | unsigned int hdr_num; | |
7d9fb455 | 166 | struct thread_data *td; |
936216f8 JA |
167 | |
168 | /* | |
169 | * Output, only valid in case of error | |
170 | */ | |
bfacf389 JA |
171 | const char *name; |
172 | void *good_crc; | |
173 | void *bad_crc; | |
936216f8 JA |
174 | unsigned int crc_len; |
175 | }; | |
176 | ||
7d9fb455 JA |
177 | static void dump_buf(char *buf, unsigned int len, const char *name, |
178 | unsigned long long offset) | |
179 | { | |
180 | char fname[80]; | |
181 | int ret, fd; | |
182 | ||
183 | sprintf(fname, "%llu.%s", offset, name); | |
184 | ||
185 | fd = open(fname, O_CREAT | O_TRUNC | O_WRONLY, 0644); | |
186 | if (fd < 0) { | |
187 | perror("open verify buf file"); | |
188 | return; | |
189 | } | |
190 | ||
191 | while (len) { | |
192 | ret = write(fd, buf, len); | |
193 | if (!ret) | |
194 | break; | |
195 | else if (ret < 0) { | |
196 | perror("write verify buf file"); | |
197 | break; | |
198 | } | |
199 | len -= ret; | |
200 | buf += ret; | |
201 | } | |
202 | ||
203 | close(fd); | |
204 | log_err(" %s data dumped as %s\n", name, fname); | |
205 | } | |
206 | ||
207 | static void dump_verify_buffers(struct verify_header *hdr, struct vcont *vc) | |
208 | { | |
209 | struct thread_data *td = vc->td; | |
210 | struct io_u *io_u = vc->io_u; | |
211 | unsigned long hdr_offset; | |
212 | unsigned int hdr_inc, header_num; | |
213 | struct io_u dummy; | |
214 | void *buf, *p; | |
215 | ||
216 | hdr_offset = vc->hdr_num * hdr->len; | |
217 | ||
218 | dump_buf(io_u->buf + hdr_offset, hdr->len, "received", | |
219 | io_u->offset + hdr_offset); | |
220 | ||
221 | buf = p = malloc(io_u->buflen); | |
222 | dummy = *io_u; | |
223 | fill_pattern(td, p, io_u->buflen, &dummy, hdr->rand_seed, 1); | |
224 | ||
225 | hdr_inc = io_u->buflen; | |
226 | if (td->o.verify_interval) | |
227 | hdr_inc = td->o.verify_interval; | |
228 | ||
229 | header_num = 0; | |
230 | for (; p < buf + io_u->buflen; p += hdr_inc) { | |
231 | hdr = p; | |
232 | populate_hdr(td, io_u, hdr, header_num, hdr_inc); | |
233 | header_num++; | |
234 | } | |
235 | ||
236 | dump_buf(buf + hdr_offset, hdr->len, "expected", | |
237 | io_u->offset + hdr_offset); | |
238 | free(buf); | |
239 | } | |
240 | ||
bfacf389 JA |
241 | static void log_verify_failure(struct verify_header *hdr, struct vcont *vc) |
242 | { | |
243 | unsigned long long offset; | |
244 | ||
245 | offset = vc->io_u->offset; | |
246 | offset += vc->hdr_num * hdr->len; | |
32c17adf JA |
247 | log_err("%.8s: verify failed at file %s offset %llu, length %u\n", |
248 | vc->name, vc->io_u->file->file_name, offset, hdr->len); | |
bfacf389 JA |
249 | |
250 | if (vc->good_crc && vc->bad_crc) { | |
251 | log_err(" Expected CRC: "); | |
252 | hexdump(vc->good_crc, vc->crc_len); | |
253 | log_err(" Received CRC: "); | |
254 | hexdump(vc->bad_crc, vc->crc_len); | |
255 | } | |
7d9fb455 JA |
256 | |
257 | dump_verify_buffers(hdr, vc); | |
bfacf389 JA |
258 | } |
259 | ||
d9f2caf3 JA |
260 | /* |
261 | * Return data area 'header_num' | |
262 | */ | |
936216f8 | 263 | static inline void *io_u_verify_off(struct verify_header *hdr, struct vcont *vc) |
d9f2caf3 | 264 | { |
936216f8 | 265 | return vc->io_u->buf + vc->hdr_num * hdr->len + hdr_size(hdr); |
d9f2caf3 JA |
266 | } |
267 | ||
7437ee87 | 268 | static int verify_io_u_meta(struct verify_header *hdr, struct thread_data *td, |
936216f8 | 269 | struct vcont *vc) |
7437ee87 SL |
270 | { |
271 | struct vhdr_meta *vh = hdr_priv(hdr); | |
936216f8 | 272 | struct io_u *io_u = vc->io_u; |
7437ee87 | 273 | |
bd6f78b2 JA |
274 | dprint(FD_VERIFY, "meta verify io_u %p, len %u\n", io_u, hdr->len); |
275 | ||
bfacf389 JA |
276 | if (vh->offset == io_u->offset + vc->hdr_num * td->o.verify_interval) |
277 | return 0; | |
7437ee87 | 278 | |
bfacf389 JA |
279 | vc->name = "meta"; |
280 | log_verify_failure(hdr, vc); | |
281 | return EILSEQ; | |
7437ee87 SL |
282 | } |
283 | ||
936216f8 | 284 | static int verify_io_u_sha512(struct verify_header *hdr, struct vcont *vc) |
cd14cc10 | 285 | { |
936216f8 | 286 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 287 | struct vhdr_sha512 *vh = hdr_priv(hdr); |
cd14cc10 JA |
288 | uint8_t sha512[128]; |
289 | struct sha512_ctx sha512_ctx = { | |
290 | .buf = sha512, | |
291 | }; | |
292 | ||
936216f8 | 293 | dprint(FD_VERIFY, "sha512 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 294 | |
cd14cc10 | 295 | sha512_init(&sha512_ctx); |
87677832 | 296 | sha512_update(&sha512_ctx, p, hdr->len - hdr_size(hdr)); |
cd14cc10 | 297 | |
bfacf389 JA |
298 | if (!memcmp(vh->sha512, sha512_ctx.buf, sizeof(sha512))) |
299 | return 0; | |
cd14cc10 | 300 | |
bfacf389 JA |
301 | vc->name = "sha512"; |
302 | vc->good_crc = vh->sha512; | |
303 | vc->bad_crc = sha512_ctx.buf; | |
304 | vc->crc_len = sizeof(vh->sha512); | |
305 | log_verify_failure(hdr, vc); | |
306 | return EILSEQ; | |
cd14cc10 JA |
307 | } |
308 | ||
936216f8 | 309 | static int verify_io_u_sha256(struct verify_header *hdr, struct vcont *vc) |
cd14cc10 | 310 | { |
936216f8 | 311 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 312 | struct vhdr_sha256 *vh = hdr_priv(hdr); |
bc77f56f | 313 | uint8_t sha256[64]; |
cd14cc10 JA |
314 | struct sha256_ctx sha256_ctx = { |
315 | .buf = sha256, | |
316 | }; | |
317 | ||
936216f8 | 318 | dprint(FD_VERIFY, "sha256 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 319 | |
cd14cc10 | 320 | sha256_init(&sha256_ctx); |
87677832 | 321 | sha256_update(&sha256_ctx, p, hdr->len - hdr_size(hdr)); |
cd14cc10 | 322 | |
bfacf389 JA |
323 | if (!memcmp(vh->sha256, sha256_ctx.buf, sizeof(sha256))) |
324 | return 0; | |
cd14cc10 | 325 | |
bfacf389 JA |
326 | vc->name = "sha256"; |
327 | vc->good_crc = vh->sha256; | |
328 | vc->bad_crc = sha256_ctx.buf; | |
329 | vc->crc_len = sizeof(vh->sha256); | |
330 | log_verify_failure(hdr, vc); | |
331 | return EILSEQ; | |
cd14cc10 JA |
332 | } |
333 | ||
936216f8 | 334 | static int verify_io_u_sha1(struct verify_header *hdr, struct vcont *vc) |
7c353ceb | 335 | { |
936216f8 | 336 | void *p = io_u_verify_off(hdr, vc); |
7c353ceb JA |
337 | struct vhdr_sha1 *vh = hdr_priv(hdr); |
338 | uint32_t sha1[5]; | |
339 | struct sha1_ctx sha1_ctx = { | |
340 | .H = sha1, | |
341 | }; | |
342 | ||
936216f8 | 343 | dprint(FD_VERIFY, "sha1 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
7c353ceb JA |
344 | |
345 | sha1_init(&sha1_ctx); | |
346 | sha1_update(&sha1_ctx, p, hdr->len - hdr_size(hdr)); | |
347 | ||
bfacf389 JA |
348 | if (!memcmp(vh->sha1, sha1_ctx.H, sizeof(sha1))) |
349 | return 0; | |
7c353ceb | 350 | |
bfacf389 JA |
351 | vc->name = "sha1"; |
352 | vc->good_crc = vh->sha1; | |
353 | vc->bad_crc = sha1_ctx.H; | |
354 | vc->crc_len = sizeof(vh->sha1); | |
355 | log_verify_failure(hdr, vc); | |
356 | return EILSEQ; | |
7c353ceb JA |
357 | } |
358 | ||
936216f8 | 359 | static int verify_io_u_crc7(struct verify_header *hdr, struct vcont *vc) |
1e154bdb | 360 | { |
936216f8 | 361 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 362 | struct vhdr_crc7 *vh = hdr_priv(hdr); |
1e154bdb JA |
363 | unsigned char c; |
364 | ||
936216f8 | 365 | dprint(FD_VERIFY, "crc7 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 366 | |
87677832 | 367 | c = crc7(p, hdr->len - hdr_size(hdr)); |
1e154bdb | 368 | |
bfacf389 JA |
369 | if (c == vh->crc7) |
370 | return 0; | |
1e154bdb | 371 | |
bfacf389 JA |
372 | vc->name = "crc7"; |
373 | vc->good_crc = &vh->crc7; | |
374 | vc->bad_crc = &c; | |
375 | vc->crc_len = 1; | |
376 | log_verify_failure(hdr, vc); | |
377 | return EILSEQ; | |
1e154bdb JA |
378 | } |
379 | ||
936216f8 | 380 | static int verify_io_u_crc16(struct verify_header *hdr, struct vcont *vc) |
969f7ed3 | 381 | { |
936216f8 | 382 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 383 | struct vhdr_crc16 *vh = hdr_priv(hdr); |
969f7ed3 JA |
384 | unsigned short c; |
385 | ||
936216f8 | 386 | dprint(FD_VERIFY, "crc16 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 387 | |
87677832 | 388 | c = crc16(p, hdr->len - hdr_size(hdr)); |
969f7ed3 | 389 | |
bfacf389 JA |
390 | if (c == vh->crc16) |
391 | return 0; | |
969f7ed3 | 392 | |
bfacf389 JA |
393 | vc->name = "crc16"; |
394 | vc->good_crc = &vh->crc16; | |
395 | vc->bad_crc = &c; | |
396 | vc->crc_len = 2; | |
397 | log_verify_failure(hdr, vc); | |
398 | return EILSEQ; | |
969f7ed3 JA |
399 | } |
400 | ||
936216f8 | 401 | static int verify_io_u_crc64(struct verify_header *hdr, struct vcont *vc) |
d77a7af3 | 402 | { |
936216f8 | 403 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 404 | struct vhdr_crc64 *vh = hdr_priv(hdr); |
d77a7af3 JA |
405 | unsigned long long c; |
406 | ||
936216f8 | 407 | dprint(FD_VERIFY, "crc64 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 408 | |
87677832 | 409 | c = crc64(p, hdr->len - hdr_size(hdr)); |
d77a7af3 | 410 | |
bfacf389 JA |
411 | if (c == vh->crc64) |
412 | return 0; | |
d77a7af3 | 413 | |
bfacf389 JA |
414 | vc->name = "crc64"; |
415 | vc->good_crc = &vh->crc64; | |
416 | vc->bad_crc = &c; | |
417 | vc->crc_len = 8; | |
418 | log_verify_failure(hdr, vc); | |
419 | return EILSEQ; | |
d77a7af3 JA |
420 | } |
421 | ||
936216f8 | 422 | static int verify_io_u_crc32(struct verify_header *hdr, struct vcont *vc) |
e29d1b70 | 423 | { |
936216f8 | 424 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f JA |
425 | struct vhdr_crc32 *vh = hdr_priv(hdr); |
426 | uint32_t c; | |
e29d1b70 | 427 | |
936216f8 | 428 | dprint(FD_VERIFY, "crc32 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 429 | |
87677832 | 430 | c = crc32(p, hdr->len - hdr_size(hdr)); |
e29d1b70 | 431 | |
bfacf389 JA |
432 | if (c == vh->crc32) |
433 | return 0; | |
e29d1b70 | 434 | |
bfacf389 JA |
435 | vc->name = "crc32"; |
436 | vc->good_crc = &vh->crc32; | |
437 | vc->bad_crc = &c; | |
438 | vc->crc_len = 4; | |
439 | log_verify_failure(hdr, vc); | |
440 | return EILSEQ; | |
e29d1b70 JA |
441 | } |
442 | ||
936216f8 | 443 | static int verify_io_u_crc32c(struct verify_header *hdr, struct vcont *vc) |
bac39e0e | 444 | { |
936216f8 | 445 | void *p = io_u_verify_off(hdr, vc); |
bac39e0e JA |
446 | struct vhdr_crc32 *vh = hdr_priv(hdr); |
447 | uint32_t c; | |
448 | ||
936216f8 | 449 | dprint(FD_VERIFY, "crc32c verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bac39e0e | 450 | |
3845591f JA |
451 | if (hdr->verify_type == VERIFY_CRC32C_INTEL) |
452 | c = crc32c_intel(p, hdr->len - hdr_size(hdr)); | |
453 | else | |
454 | c = crc32c(p, hdr->len - hdr_size(hdr)); | |
bac39e0e | 455 | |
bfacf389 JA |
456 | if (c == vh->crc32) |
457 | return 0; | |
bac39e0e | 458 | |
bfacf389 JA |
459 | vc->name = "crc32c"; |
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; | |
bac39e0e JA |
465 | } |
466 | ||
936216f8 | 467 | static int verify_io_u_md5(struct verify_header *hdr, struct vcont *vc) |
e29d1b70 | 468 | { |
936216f8 | 469 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 470 | struct vhdr_md5 *vh = hdr_priv(hdr); |
8c432325 JA |
471 | uint32_t hash[MD5_HASH_WORDS]; |
472 | struct md5_ctx md5_ctx = { | |
473 | .hash = hash, | |
474 | }; | |
e29d1b70 | 475 | |
936216f8 | 476 | dprint(FD_VERIFY, "md5 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 477 | |
61f821f1 | 478 | md5_init(&md5_ctx); |
87677832 | 479 | md5_update(&md5_ctx, p, hdr->len - hdr_size(hdr)); |
e29d1b70 | 480 | |
bfacf389 JA |
481 | if (!memcmp(vh->md5_digest, md5_ctx.hash, sizeof(hash))) |
482 | return 0; | |
e29d1b70 | 483 | |
bfacf389 JA |
484 | vc->name = "md5"; |
485 | vc->good_crc = vh->md5_digest; | |
486 | vc->bad_crc = md5_ctx.hash; | |
487 | vc->crc_len = sizeof(hash); | |
488 | log_verify_failure(hdr, vc); | |
489 | return EILSEQ; | |
e29d1b70 JA |
490 | } |
491 | ||
3f199b01 JA |
492 | static unsigned int hweight8(unsigned int w) |
493 | { | |
494 | unsigned int res = w - ((w >> 1) & 0x55); | |
495 | ||
496 | res = (res & 0x33) + ((res >> 2) & 0x33); | |
497 | return (res + (res >> 4)) & 0x0F; | |
498 | } | |
499 | ||
0e92f873 | 500 | int verify_io_u_pattern(char *pattern, unsigned long pattern_size, |
5ec10eaa | 501 | char *buf, unsigned int len, unsigned int mod) |
a944e335 SL |
502 | { |
503 | unsigned int i; | |
a944e335 SL |
504 | |
505 | for (i = 0; i < len; i++) { | |
0e92f873 | 506 | if (buf[i] != pattern[mod]) { |
3f199b01 JA |
507 | unsigned int bits; |
508 | ||
0e92f873 | 509 | bits = hweight8(buf[i] ^ pattern[mod]); |
3f199b01 | 510 | log_err("fio: got pattern %x, wanted %x. Bad bits %d\n", |
0e92f873 | 511 | buf[i], pattern[mod], bits); |
3f199b01 | 512 | log_err("fio: bad pattern block offset %u\n", i); |
9fd18969 | 513 | return EILSEQ; |
3f199b01 | 514 | } |
a944e335 SL |
515 | mod++; |
516 | if (mod == pattern_size) | |
517 | mod = 0; | |
518 | } | |
519 | ||
520 | return 0; | |
521 | } | |
522 | ||
e8462bd8 JA |
523 | /* |
524 | * Push IO verification to a separate thread | |
525 | */ | |
526 | int verify_io_u_async(struct thread_data *td, struct io_u *io_u) | |
527 | { | |
528 | if (io_u->file) | |
529 | put_file_log(td, io_u->file); | |
530 | ||
531 | io_u->file = NULL; | |
532 | ||
533 | pthread_mutex_lock(&td->io_u_lock); | |
0c41214f RR |
534 | |
535 | if (io_u->flags & IO_U_F_IN_CUR_DEPTH) { | |
536 | td->cur_depth--; | |
537 | io_u->flags &= ~IO_U_F_IN_CUR_DEPTH; | |
538 | } | |
e8462bd8 JA |
539 | flist_del(&io_u->list); |
540 | flist_add_tail(&io_u->list, &td->verify_list); | |
2ecc1b57 | 541 | io_u->flags |= IO_U_F_FREE_DEF; |
e8462bd8 JA |
542 | pthread_mutex_unlock(&td->io_u_lock); |
543 | ||
544 | pthread_cond_signal(&td->verify_cond); | |
e8462bd8 JA |
545 | return 0; |
546 | } | |
547 | ||
0d29de83 JA |
548 | static int verify_trimmed_io_u(struct thread_data *td, struct io_u *io_u) |
549 | { | |
550 | static char zero_buf[1024]; | |
551 | unsigned int this_len, len; | |
552 | int ret = 0; | |
553 | void *p; | |
554 | ||
555 | if (!td->o.trim_zero) | |
556 | return 0; | |
557 | ||
558 | len = io_u->buflen; | |
559 | p = io_u->buf; | |
560 | do { | |
561 | this_len = sizeof(zero_buf); | |
562 | if (this_len > len) | |
563 | this_len = len; | |
564 | if (memcmp(p, zero_buf, this_len)) { | |
565 | ret = EILSEQ; | |
566 | break; | |
567 | } | |
568 | len -= this_len; | |
569 | p += this_len; | |
570 | } while (len); | |
571 | ||
572 | if (!ret) | |
573 | return 0; | |
574 | ||
a917a8b3 JA |
575 | log_err("trim: verify failed at file %s offset %llu, length %lu" |
576 | ", block offset %lu\n", | |
577 | io_u->file->file_name, io_u->offset, io_u->buflen, | |
2f68124f | 578 | (unsigned long) (p - io_u->buf)); |
0d29de83 JA |
579 | return ret; |
580 | } | |
581 | ||
36690c9b | 582 | int verify_io_u(struct thread_data *td, struct io_u *io_u) |
e29d1b70 | 583 | { |
3f9f4e26 | 584 | struct verify_header *hdr; |
a944e335 | 585 | unsigned int hdr_size, hdr_inc, hdr_num = 0; |
95646108 | 586 | void *p; |
e29d1b70 JA |
587 | int ret; |
588 | ||
1dcc0498 | 589 | if (td->o.verify == VERIFY_NULL || io_u->ddir != DDIR_READ) |
36690c9b | 590 | return 0; |
0d29de83 JA |
591 | if (io_u->flags & IO_U_F_TRIMMED) { |
592 | ret = verify_trimmed_io_u(td, io_u); | |
593 | goto done; | |
594 | } | |
36690c9b | 595 | |
3f9f4e26 | 596 | hdr_inc = io_u->buflen; |
a59e170d JA |
597 | if (td->o.verify_interval) |
598 | hdr_inc = td->o.verify_interval; | |
e29d1b70 | 599 | |
a12a3b4d | 600 | ret = 0; |
5ec10eaa JA |
601 | for (p = io_u->buf; p < io_u->buf + io_u->buflen; |
602 | p += hdr_inc, hdr_num++) { | |
bfacf389 JA |
603 | struct vcont vc = { |
604 | .io_u = io_u, | |
605 | .hdr_num = hdr_num, | |
7d9fb455 | 606 | .td = td, |
bfacf389 | 607 | }; |
936216f8 | 608 | |
f3e6cb95 | 609 | if (ret && td->o.verify_fatal) |
a12a3b4d | 610 | break; |
f3e6cb95 | 611 | |
a944e335 | 612 | hdr_size = __hdr_size(td->o.verify); |
a59e170d | 613 | if (td->o.verify_offset) |
a944e335 | 614 | memswp(p, p + td->o.verify_offset, hdr_size); |
95646108 | 615 | hdr = p; |
e29d1b70 | 616 | |
3f199b01 | 617 | if (hdr->fio_magic != FIO_HDR_MAGIC) { |
c9b44031 JA |
618 | log_err("verify: bad magic header %x, wanted %x at file %s offset %llu, length %u\n", |
619 | hdr->fio_magic, FIO_HDR_MAGIC, | |
620 | io_u->file->file_name, | |
621 | io_u->offset + hdr_num * hdr->len, hdr->len); | |
9fd18969 | 622 | return EILSEQ; |
3f199b01 JA |
623 | } |
624 | ||
e28218f3 | 625 | if (td->o.verify_pattern_bytes) { |
bd6f78b2 JA |
626 | dprint(FD_VERIFY, "pattern verify io_u %p, len %u\n", |
627 | io_u, hdr->len); | |
e28218f3 | 628 | ret = verify_io_u_pattern(td->o.verify_pattern, |
0e92f873 RR |
629 | td->o.verify_pattern_bytes, |
630 | p + hdr_size, | |
631 | hdr_inc - hdr_size, | |
632 | hdr_size % td->o.verify_pattern_bytes); | |
c9b44031 JA |
633 | |
634 | if (ret) { | |
635 | log_err("pattern: verify failed at file %s offset %llu, length %u\n", | |
636 | io_u->file->file_name, | |
637 | io_u->offset + hdr_num * hdr->len, | |
638 | hdr->len); | |
639 | } | |
640 | ||
e92d3d71 RR |
641 | /* |
642 | * Also verify the meta data, if applicable | |
643 | */ | |
644 | if (hdr->verify_type == VERIFY_META) | |
936216f8 | 645 | ret |= verify_io_u_meta(hdr, td, &vc); |
e28218f3 SL |
646 | continue; |
647 | } | |
648 | ||
3f9f4e26 SL |
649 | switch (hdr->verify_type) { |
650 | case VERIFY_MD5: | |
936216f8 | 651 | ret = verify_io_u_md5(hdr, &vc); |
3f9f4e26 SL |
652 | break; |
653 | case VERIFY_CRC64: | |
936216f8 | 654 | ret = verify_io_u_crc64(hdr, &vc); |
3f9f4e26 | 655 | break; |
bac39e0e | 656 | case VERIFY_CRC32C: |
3845591f | 657 | case VERIFY_CRC32C_INTEL: |
936216f8 | 658 | ret = verify_io_u_crc32c(hdr, &vc); |
bac39e0e | 659 | break; |
3f9f4e26 | 660 | case VERIFY_CRC32: |
936216f8 | 661 | ret = verify_io_u_crc32(hdr, &vc); |
3f9f4e26 SL |
662 | break; |
663 | case VERIFY_CRC16: | |
936216f8 | 664 | ret = verify_io_u_crc16(hdr, &vc); |
3f9f4e26 SL |
665 | break; |
666 | case VERIFY_CRC7: | |
936216f8 | 667 | ret = verify_io_u_crc7(hdr, &vc); |
3f9f4e26 | 668 | break; |
cd14cc10 | 669 | case VERIFY_SHA256: |
936216f8 | 670 | ret = verify_io_u_sha256(hdr, &vc); |
cd14cc10 JA |
671 | break; |
672 | case VERIFY_SHA512: | |
936216f8 | 673 | ret = verify_io_u_sha512(hdr, &vc); |
cd14cc10 | 674 | break; |
7437ee87 | 675 | case VERIFY_META: |
936216f8 | 676 | ret = verify_io_u_meta(hdr, td, &vc); |
7437ee87 | 677 | break; |
7c353ceb | 678 | case VERIFY_SHA1: |
936216f8 | 679 | ret = verify_io_u_sha1(hdr, &vc); |
7c353ceb | 680 | break; |
3f9f4e26 SL |
681 | default: |
682 | log_err("Bad verify type %u\n", hdr->verify_type); | |
d16d4e09 | 683 | ret = EINVAL; |
3f9f4e26 | 684 | } |
3f9f4e26 | 685 | } |
a7dfe862 | 686 | |
0d29de83 | 687 | done: |
f3e6cb95 JA |
688 | if (ret && td->o.verify_fatal) |
689 | td->terminate = 1; | |
690 | ||
a12a3b4d | 691 | return ret; |
e29d1b70 JA |
692 | } |
693 | ||
7437ee87 | 694 | static void fill_meta(struct verify_header *hdr, struct thread_data *td, |
5ec10eaa | 695 | struct io_u *io_u, unsigned int header_num) |
7437ee87 SL |
696 | { |
697 | struct vhdr_meta *vh = hdr_priv(hdr); | |
698 | ||
699 | vh->thread = td->thread_number; | |
700 | ||
701 | vh->time_sec = io_u->start_time.tv_sec; | |
702 | vh->time_usec = io_u->start_time.tv_usec; | |
703 | ||
704 | vh->numberio = td->io_issues[DDIR_WRITE]; | |
705 | ||
706 | vh->offset = io_u->offset + header_num * td->o.verify_interval; | |
707 | } | |
708 | ||
cd14cc10 JA |
709 | static void fill_sha512(struct verify_header *hdr, void *p, unsigned int len) |
710 | { | |
546dfd9f | 711 | struct vhdr_sha512 *vh = hdr_priv(hdr); |
cd14cc10 | 712 | struct sha512_ctx sha512_ctx = { |
546dfd9f | 713 | .buf = vh->sha512, |
cd14cc10 JA |
714 | }; |
715 | ||
716 | sha512_init(&sha512_ctx); | |
717 | sha512_update(&sha512_ctx, p, len); | |
718 | } | |
719 | ||
720 | static void fill_sha256(struct verify_header *hdr, void *p, unsigned int len) | |
721 | { | |
546dfd9f | 722 | struct vhdr_sha256 *vh = hdr_priv(hdr); |
cd14cc10 | 723 | struct sha256_ctx sha256_ctx = { |
546dfd9f | 724 | .buf = vh->sha256, |
cd14cc10 JA |
725 | }; |
726 | ||
727 | sha256_init(&sha256_ctx); | |
728 | sha256_update(&sha256_ctx, p, len); | |
729 | } | |
730 | ||
7c353ceb JA |
731 | static void fill_sha1(struct verify_header *hdr, void *p, unsigned int len) |
732 | { | |
733 | struct vhdr_sha1 *vh = hdr_priv(hdr); | |
734 | struct sha1_ctx sha1_ctx = { | |
735 | .H = vh->sha1, | |
736 | }; | |
737 | ||
738 | sha1_init(&sha1_ctx); | |
739 | sha1_update(&sha1_ctx, p, len); | |
740 | } | |
741 | ||
1e154bdb JA |
742 | static void fill_crc7(struct verify_header *hdr, void *p, unsigned int len) |
743 | { | |
546dfd9f JA |
744 | struct vhdr_crc7 *vh = hdr_priv(hdr); |
745 | ||
746 | vh->crc7 = crc7(p, len); | |
1e154bdb JA |
747 | } |
748 | ||
969f7ed3 JA |
749 | static void fill_crc16(struct verify_header *hdr, void *p, unsigned int len) |
750 | { | |
546dfd9f JA |
751 | struct vhdr_crc16 *vh = hdr_priv(hdr); |
752 | ||
753 | vh->crc16 = crc16(p, len); | |
969f7ed3 JA |
754 | } |
755 | ||
e29d1b70 JA |
756 | static void fill_crc32(struct verify_header *hdr, void *p, unsigned int len) |
757 | { | |
546dfd9f JA |
758 | struct vhdr_crc32 *vh = hdr_priv(hdr); |
759 | ||
760 | vh->crc32 = crc32(p, len); | |
e29d1b70 JA |
761 | } |
762 | ||
bac39e0e JA |
763 | static void fill_crc32c(struct verify_header *hdr, void *p, unsigned int len) |
764 | { | |
765 | struct vhdr_crc32 *vh = hdr_priv(hdr); | |
766 | ||
3845591f JA |
767 | if (hdr->verify_type == VERIFY_CRC32C_INTEL) |
768 | vh->crc32 = crc32c_intel(p, len); | |
769 | else | |
770 | vh->crc32 = crc32c(p, len); | |
bac39e0e JA |
771 | } |
772 | ||
d77a7af3 JA |
773 | static void fill_crc64(struct verify_header *hdr, void *p, unsigned int len) |
774 | { | |
546dfd9f JA |
775 | struct vhdr_crc64 *vh = hdr_priv(hdr); |
776 | ||
777 | vh->crc64 = crc64(p, len); | |
d77a7af3 JA |
778 | } |
779 | ||
e29d1b70 JA |
780 | static void fill_md5(struct verify_header *hdr, void *p, unsigned int len) |
781 | { | |
546dfd9f | 782 | struct vhdr_md5 *vh = hdr_priv(hdr); |
8c432325 | 783 | struct md5_ctx md5_ctx = { |
546dfd9f | 784 | .hash = (uint32_t *) vh->md5_digest, |
8c432325 | 785 | }; |
e29d1b70 | 786 | |
61f821f1 | 787 | md5_init(&md5_ctx); |
e29d1b70 | 788 | md5_update(&md5_ctx, p, len); |
e29d1b70 JA |
789 | } |
790 | ||
7d9fb455 JA |
791 | static void populate_hdr(struct thread_data *td, struct io_u *io_u, |
792 | struct verify_header *hdr, unsigned int header_num, | |
793 | unsigned int header_len) | |
794 | { | |
795 | unsigned int data_len; | |
796 | void *data, *p; | |
797 | ||
798 | p = (void *) hdr; | |
799 | ||
800 | hdr->fio_magic = FIO_HDR_MAGIC; | |
801 | hdr->len = header_len; | |
802 | hdr->verify_type = td->o.verify; | |
803 | hdr->rand_seed = io_u->rand_seed; | |
804 | data_len = header_len - hdr_size(hdr); | |
805 | ||
806 | data = p + hdr_size(hdr); | |
807 | switch (td->o.verify) { | |
808 | case VERIFY_MD5: | |
809 | dprint(FD_VERIFY, "fill md5 io_u %p, len %u\n", | |
810 | io_u, hdr->len); | |
811 | fill_md5(hdr, data, data_len); | |
812 | break; | |
813 | case VERIFY_CRC64: | |
814 | dprint(FD_VERIFY, "fill crc64 io_u %p, len %u\n", | |
815 | io_u, hdr->len); | |
816 | fill_crc64(hdr, data, data_len); | |
817 | break; | |
818 | case VERIFY_CRC32C: | |
819 | case VERIFY_CRC32C_INTEL: | |
820 | dprint(FD_VERIFY, "fill crc32c io_u %p, len %u\n", | |
821 | io_u, hdr->len); | |
822 | fill_crc32c(hdr, data, data_len); | |
823 | break; | |
824 | case VERIFY_CRC32: | |
825 | dprint(FD_VERIFY, "fill crc32 io_u %p, len %u\n", | |
826 | io_u, hdr->len); | |
827 | fill_crc32(hdr, data, data_len); | |
828 | break; | |
829 | case VERIFY_CRC16: | |
830 | dprint(FD_VERIFY, "fill crc16 io_u %p, len %u\n", | |
831 | io_u, hdr->len); | |
832 | fill_crc16(hdr, data, data_len); | |
833 | break; | |
834 | case VERIFY_CRC7: | |
835 | dprint(FD_VERIFY, "fill crc7 io_u %p, len %u\n", | |
836 | io_u, hdr->len); | |
837 | fill_crc7(hdr, data, data_len); | |
838 | break; | |
839 | case VERIFY_SHA256: | |
840 | dprint(FD_VERIFY, "fill sha256 io_u %p, len %u\n", | |
841 | io_u, hdr->len); | |
842 | fill_sha256(hdr, data, data_len); | |
843 | break; | |
844 | case VERIFY_SHA512: | |
845 | dprint(FD_VERIFY, "fill sha512 io_u %p, len %u\n", | |
846 | io_u, hdr->len); | |
847 | fill_sha512(hdr, data, data_len); | |
848 | break; | |
849 | case VERIFY_META: | |
850 | dprint(FD_VERIFY, "fill meta io_u %p, len %u\n", | |
851 | io_u, hdr->len); | |
852 | fill_meta(hdr, td, io_u, header_num); | |
853 | break; | |
854 | case VERIFY_SHA1: | |
855 | dprint(FD_VERIFY, "fill sha1 io_u %p, len %u\n", | |
856 | io_u, hdr->len); | |
857 | fill_sha1(hdr, data, data_len); | |
858 | break; | |
859 | default: | |
860 | log_err("fio: bad verify type: %d\n", td->o.verify); | |
861 | assert(0); | |
862 | } | |
863 | if (td->o.verify_offset) | |
864 | memswp(p, p + td->o.verify_offset, hdr_size(hdr)); | |
865 | } | |
866 | ||
e29d1b70 JA |
867 | /* |
868 | * fill body of io_u->buf with random data and add a header with the | |
869 | * crc32 or md5 sum of that data. | |
870 | */ | |
871 | void populate_verify_io_u(struct thread_data *td, struct io_u *io_u) | |
872 | { | |
baefa9be | 873 | struct verify_header *hdr; |
7d9fb455 JA |
874 | unsigned int hdr_inc, header_num = 0; |
875 | void *p = io_u->buf; | |
e29d1b70 | 876 | |
9cc3d150 JA |
877 | if (td->o.verify == VERIFY_NULL) |
878 | return; | |
879 | ||
7d9fb455 | 880 | fill_pattern(td, p, io_u->buflen, io_u, 0, 0); |
546a9142 SL |
881 | |
882 | hdr_inc = io_u->buflen; | |
a59e170d JA |
883 | if (td->o.verify_interval) |
884 | hdr_inc = td->o.verify_interval; | |
baefa9be | 885 | |
5ec10eaa | 886 | for (; p < io_u->buf + io_u->buflen; p += hdr_inc) { |
95646108 | 887 | hdr = p; |
7d9fb455 | 888 | populate_hdr(td, io_u, hdr, header_num, hdr_inc); |
7437ee87 | 889 | header_num++; |
e29d1b70 | 890 | } |
e29d1b70 JA |
891 | } |
892 | ||
893 | int get_next_verify(struct thread_data *td, struct io_u *io_u) | |
894 | { | |
8de8f047 | 895 | struct io_piece *ipo = NULL; |
e29d1b70 | 896 | |
d2d7fa53 JA |
897 | /* |
898 | * this io_u is from a requeue, we already filled the offsets | |
899 | */ | |
900 | if (io_u->file) | |
901 | return 0; | |
902 | ||
8de8f047 JA |
903 | if (!RB_EMPTY_ROOT(&td->io_hist_tree)) { |
904 | struct rb_node *n = rb_first(&td->io_hist_tree); | |
e29d1b70 | 905 | |
8de8f047 | 906 | ipo = rb_entry(n, struct io_piece, rb_node); |
4b87898e | 907 | rb_erase(n, &td->io_hist_tree); |
a917a8b3 JA |
908 | assert(ipo->flags & IP_F_ONRB); |
909 | ipo->flags &= ~IP_F_ONRB; | |
01743ee1 JA |
910 | } else if (!flist_empty(&td->io_hist_list)) { |
911 | ipo = flist_entry(td->io_hist_list.next, struct io_piece, list); | |
912 | flist_del(&ipo->list); | |
a917a8b3 JA |
913 | assert(ipo->flags & IP_F_ONLIST); |
914 | ipo->flags &= ~IP_F_ONLIST; | |
8de8f047 | 915 | } |
e29d1b70 | 916 | |
8de8f047 | 917 | if (ipo) { |
0d29de83 JA |
918 | td->io_hist_len--; |
919 | ||
e29d1b70 JA |
920 | io_u->offset = ipo->offset; |
921 | io_u->buflen = ipo->len; | |
36167d82 | 922 | io_u->file = ipo->file; |
97af62ce | 923 | |
0d29de83 JA |
924 | if (ipo->flags & IP_F_TRIMMED) |
925 | io_u->flags |= IO_U_F_TRIMMED; | |
926 | ||
d6aed795 | 927 | if (!fio_file_open(io_u->file)) { |
97af62ce JA |
928 | int r = td_io_open_file(td, io_u->file); |
929 | ||
bd6f78b2 JA |
930 | if (r) { |
931 | dprint(FD_VERIFY, "failed file %s open\n", | |
932 | io_u->file->file_name); | |
97af62ce | 933 | return 1; |
bd6f78b2 | 934 | } |
97af62ce JA |
935 | } |
936 | ||
937 | get_file(ipo->file); | |
d6aed795 | 938 | assert(fio_file_open(io_u->file)); |
e29d1b70 | 939 | io_u->ddir = DDIR_READ; |
36167d82 JA |
940 | io_u->xfer_buf = io_u->buf; |
941 | io_u->xfer_buflen = io_u->buflen; | |
0d29de83 JA |
942 | |
943 | remove_trim_entry(td, ipo); | |
e29d1b70 | 944 | free(ipo); |
bd6f78b2 | 945 | dprint(FD_VERIFY, "get_next_verify: ret io_u %p\n", io_u); |
e29d1b70 JA |
946 | return 0; |
947 | } | |
948 | ||
bd6f78b2 | 949 | dprint(FD_VERIFY, "get_next_verify: empty\n"); |
e29d1b70 JA |
950 | return 1; |
951 | } | |
e8462bd8 JA |
952 | |
953 | static void *verify_async_thread(void *data) | |
954 | { | |
955 | struct thread_data *td = data; | |
956 | struct io_u *io_u; | |
957 | int ret = 0; | |
958 | ||
959 | if (td->o.verify_cpumask_set && | |
960 | fio_setaffinity(td->pid, td->o.verify_cpumask)) { | |
961 | log_err("fio: failed setting verify thread affinity\n"); | |
962 | goto done; | |
963 | } | |
964 | ||
965 | do { | |
e53ab27c JA |
966 | FLIST_HEAD(list); |
967 | ||
e8462bd8 JA |
968 | read_barrier(); |
969 | if (td->verify_thread_exit) | |
970 | break; | |
971 | ||
972 | pthread_mutex_lock(&td->io_u_lock); | |
973 | ||
974 | while (flist_empty(&td->verify_list) && | |
975 | !td->verify_thread_exit) { | |
b36e298b JA |
976 | ret = pthread_cond_wait(&td->verify_cond, |
977 | &td->io_u_lock); | |
e8462bd8 JA |
978 | if (ret) { |
979 | pthread_mutex_unlock(&td->io_u_lock); | |
980 | break; | |
981 | } | |
982 | } | |
983 | ||
e53ab27c JA |
984 | flist_splice_init(&td->verify_list, &list); |
985 | pthread_mutex_unlock(&td->io_u_lock); | |
986 | ||
987 | if (flist_empty(&list)) | |
e8462bd8 | 988 | continue; |
e8462bd8 | 989 | |
e53ab27c JA |
990 | while (!flist_empty(&list)) { |
991 | io_u = flist_entry(list.next, struct io_u, list); | |
992 | flist_del_init(&io_u->list); | |
e8462bd8 | 993 | |
d561f2ab | 994 | ret = verify_io_u(td, io_u); |
e53ab27c | 995 | put_io_u(td, io_u); |
d561f2ab JA |
996 | if (!ret) |
997 | continue; | |
998 | if (td->o.continue_on_error && | |
999 | td_non_fatal_error(ret)) { | |
1000 | update_error_count(td, ret); | |
1001 | td_clear_error(td); | |
1002 | ret = 0; | |
1003 | } | |
e53ab27c | 1004 | } |
e8462bd8 JA |
1005 | } while (!ret); |
1006 | ||
d561f2ab JA |
1007 | if (ret) { |
1008 | td_verror(td, ret, "async_verify"); | |
f3e6cb95 JA |
1009 | if (td->o.verify_fatal) |
1010 | td->terminate = 1; | |
d561f2ab JA |
1011 | } |
1012 | ||
e8462bd8 JA |
1013 | done: |
1014 | pthread_mutex_lock(&td->io_u_lock); | |
1015 | td->nr_verify_threads--; | |
1016 | pthread_mutex_unlock(&td->io_u_lock); | |
1017 | ||
1018 | pthread_cond_signal(&td->free_cond); | |
1019 | return NULL; | |
1020 | } | |
1021 | ||
1022 | int verify_async_init(struct thread_data *td) | |
1023 | { | |
1024 | int i, ret; | |
304a47c7 VA |
1025 | pthread_attr_t attr; |
1026 | ||
1027 | pthread_attr_init(&attr); | |
1028 | pthread_attr_setstacksize(&attr, PTHREAD_STACK_MIN); | |
e8462bd8 JA |
1029 | |
1030 | td->verify_thread_exit = 0; | |
1031 | ||
1032 | td->verify_threads = malloc(sizeof(pthread_t) * td->o.verify_async); | |
1033 | for (i = 0; i < td->o.verify_async; i++) { | |
304a47c7 | 1034 | ret = pthread_create(&td->verify_threads[i], &attr, |
e8462bd8 JA |
1035 | verify_async_thread, td); |
1036 | if (ret) { | |
1037 | log_err("fio: async verify creation failed: %s\n", | |
1038 | strerror(ret)); | |
1039 | break; | |
1040 | } | |
1041 | ret = pthread_detach(td->verify_threads[i]); | |
1042 | if (ret) { | |
1043 | log_err("fio: async verify thread detach failed: %s\n", | |
1044 | strerror(ret)); | |
1045 | break; | |
1046 | } | |
1047 | td->nr_verify_threads++; | |
1048 | } | |
1049 | ||
304a47c7 VA |
1050 | pthread_attr_destroy(&attr); |
1051 | ||
e8462bd8 | 1052 | if (i != td->o.verify_async) { |
e40823b1 | 1053 | log_err("fio: only %d verify threads started, exiting\n", i); |
e8462bd8 JA |
1054 | td->verify_thread_exit = 1; |
1055 | write_barrier(); | |
1056 | pthread_cond_broadcast(&td->verify_cond); | |
1057 | return 1; | |
1058 | } | |
1059 | ||
1060 | return 0; | |
1061 | } | |
1062 | ||
1063 | void verify_async_exit(struct thread_data *td) | |
1064 | { | |
1065 | td->verify_thread_exit = 1; | |
1066 | write_barrier(); | |
1067 | pthread_cond_broadcast(&td->verify_cond); | |
1068 | ||
1069 | pthread_mutex_lock(&td->io_u_lock); | |
1070 | ||
1071 | while (td->nr_verify_threads) | |
1072 | pthread_cond_wait(&td->free_cond, &td->io_u_lock); | |
1073 | ||
1074 | pthread_mutex_unlock(&td->io_u_lock); | |
1075 | free(td->verify_threads); | |
1076 | td->verify_threads = NULL; | |
1077 | } |