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 | ||
cfbcd0dc JA |
75 | static unsigned int get_hdr_inc(struct thread_data *td, struct io_u *io_u) |
76 | { | |
77 | unsigned int hdr_inc; | |
78 | ||
79 | hdr_inc = io_u->buflen; | |
80 | if (td->o.verify_interval) | |
81 | hdr_inc = td->o.verify_interval; | |
82 | ||
83 | return hdr_inc; | |
84 | } | |
85 | ||
c50ca7bd JA |
86 | static void fill_pattern_headers(struct thread_data *td, struct io_u *io_u, |
87 | unsigned long seed, int use_seed) | |
88 | { | |
89 | unsigned int hdr_inc, header_num; | |
90 | struct verify_header *hdr; | |
91 | void *p = io_u->buf; | |
92 | ||
93 | fill_pattern(td, p, io_u->buflen, io_u, seed, use_seed); | |
94 | ||
cfbcd0dc | 95 | hdr_inc = get_hdr_inc(td, io_u); |
c50ca7bd JA |
96 | header_num = 0; |
97 | for (; p < io_u->buf + io_u->buflen; p += hdr_inc) { | |
98 | hdr = p; | |
99 | populate_hdr(td, io_u, hdr, header_num, hdr_inc); | |
100 | header_num++; | |
101 | } | |
102 | } | |
103 | ||
4764aec9 | 104 | static void memswp(void *buf1, void *buf2, unsigned int len) |
546a9142 | 105 | { |
dee6de74 SL |
106 | char swap[200]; |
107 | ||
108 | assert(len <= sizeof(swap)); | |
90059d65 | 109 | |
546a9142 SL |
110 | memcpy(&swap, buf1, len); |
111 | memcpy(buf1, buf2, len); | |
112 | memcpy(buf2, &swap, len); | |
113 | } | |
114 | ||
e29d1b70 JA |
115 | static void hexdump(void *buffer, int len) |
116 | { | |
117 | unsigned char *p = buffer; | |
118 | int i; | |
119 | ||
120 | for (i = 0; i < len; i++) | |
bfacf389 JA |
121 | log_err("%02x", p[i]); |
122 | log_err("\n"); | |
e29d1b70 JA |
123 | } |
124 | ||
87677832 JA |
125 | /* |
126 | * Prepare for seperation of verify_header and checksum header | |
127 | */ | |
546dfd9f | 128 | static inline unsigned int __hdr_size(int verify_type) |
87677832 | 129 | { |
03e20d68 | 130 | unsigned int len = 0; |
87677832 | 131 | |
546dfd9f JA |
132 | switch (verify_type) { |
133 | case VERIFY_NONE: | |
134 | case VERIFY_NULL: | |
135 | len = 0; | |
136 | break; | |
137 | case VERIFY_MD5: | |
138 | len = sizeof(struct vhdr_md5); | |
139 | break; | |
140 | case VERIFY_CRC64: | |
141 | len = sizeof(struct vhdr_crc64); | |
142 | break; | |
bac39e0e | 143 | case VERIFY_CRC32C: |
546dfd9f | 144 | case VERIFY_CRC32: |
3845591f | 145 | case VERIFY_CRC32C_INTEL: |
546dfd9f JA |
146 | len = sizeof(struct vhdr_crc32); |
147 | break; | |
148 | case VERIFY_CRC16: | |
149 | len = sizeof(struct vhdr_crc16); | |
150 | break; | |
151 | case VERIFY_CRC7: | |
152 | len = sizeof(struct vhdr_crc7); | |
153 | break; | |
154 | case VERIFY_SHA256: | |
155 | len = sizeof(struct vhdr_sha256); | |
156 | break; | |
157 | case VERIFY_SHA512: | |
158 | len = sizeof(struct vhdr_sha512); | |
159 | break; | |
7437ee87 SL |
160 | case VERIFY_META: |
161 | len = sizeof(struct vhdr_meta); | |
162 | break; | |
7c353ceb JA |
163 | case VERIFY_SHA1: |
164 | len = sizeof(struct vhdr_sha1); | |
165 | break; | |
546dfd9f JA |
166 | default: |
167 | log_err("fio: unknown verify header!\n"); | |
168 | assert(0); | |
169 | } | |
170 | ||
171 | return len + sizeof(struct verify_header); | |
87677832 JA |
172 | } |
173 | ||
174 | static inline unsigned int hdr_size(struct verify_header *hdr) | |
175 | { | |
546dfd9f JA |
176 | return __hdr_size(hdr->verify_type); |
177 | } | |
178 | ||
179 | static void *hdr_priv(struct verify_header *hdr) | |
180 | { | |
181 | void *priv = hdr; | |
182 | ||
183 | return priv + sizeof(struct verify_header); | |
87677832 JA |
184 | } |
185 | ||
936216f8 JA |
186 | /* |
187 | * Verify container, pass info to verify handlers and allow them to | |
188 | * pass info back in case of error | |
189 | */ | |
190 | struct vcont { | |
191 | /* | |
192 | * Input | |
193 | */ | |
194 | struct io_u *io_u; | |
195 | unsigned int hdr_num; | |
7d9fb455 | 196 | struct thread_data *td; |
936216f8 JA |
197 | |
198 | /* | |
199 | * Output, only valid in case of error | |
200 | */ | |
bfacf389 JA |
201 | const char *name; |
202 | void *good_crc; | |
203 | void *bad_crc; | |
936216f8 JA |
204 | unsigned int crc_len; |
205 | }; | |
206 | ||
c50ca7bd JA |
207 | static void dump_buf(char *buf, unsigned int len, unsigned long long offset, |
208 | const char *type, struct fio_file *f) | |
7d9fb455 | 209 | { |
6f260b31 | 210 | char *ptr, fname[256]; |
7d9fb455 JA |
211 | int ret, fd; |
212 | ||
6f260b31 JA |
213 | ptr = strdup(f->file_name); |
214 | strcpy(fname, basename(ptr)); | |
c50ca7bd JA |
215 | |
216 | sprintf(fname + strlen(fname), ".%llu.%s", offset, type); | |
7d9fb455 JA |
217 | |
218 | fd = open(fname, O_CREAT | O_TRUNC | O_WRONLY, 0644); | |
219 | if (fd < 0) { | |
220 | perror("open verify buf file"); | |
221 | return; | |
222 | } | |
223 | ||
224 | while (len) { | |
225 | ret = write(fd, buf, len); | |
226 | if (!ret) | |
227 | break; | |
228 | else if (ret < 0) { | |
229 | perror("write verify buf file"); | |
230 | break; | |
231 | } | |
232 | len -= ret; | |
233 | buf += ret; | |
234 | } | |
235 | ||
236 | close(fd); | |
c50ca7bd | 237 | log_err(" %s data dumped as %s\n", type, fname); |
6f260b31 | 238 | free(ptr); |
7d9fb455 JA |
239 | } |
240 | ||
c50ca7bd JA |
241 | /* |
242 | * Dump the contents of the read block and re-generate the correct data | |
243 | * and dump that too. | |
244 | */ | |
7d9fb455 JA |
245 | static void dump_verify_buffers(struct verify_header *hdr, struct vcont *vc) |
246 | { | |
247 | struct thread_data *td = vc->td; | |
248 | struct io_u *io_u = vc->io_u; | |
249 | unsigned long hdr_offset; | |
7d9fb455 | 250 | struct io_u dummy; |
c50ca7bd | 251 | void *buf; |
7d9fb455 | 252 | |
c50ca7bd JA |
253 | /* |
254 | * Dump the contents we just read off disk | |
255 | */ | |
7d9fb455 JA |
256 | hdr_offset = vc->hdr_num * hdr->len; |
257 | ||
c50ca7bd JA |
258 | dump_buf(io_u->buf + hdr_offset, hdr->len, io_u->offset + hdr_offset, |
259 | "received", vc->io_u->file); | |
7d9fb455 | 260 | |
c50ca7bd JA |
261 | /* |
262 | * Allocate a new buf and re-generate the original data | |
263 | */ | |
264 | buf = malloc(io_u->buflen); | |
7d9fb455 | 265 | dummy = *io_u; |
c50ca7bd | 266 | dummy.buf = buf; |
4aae38a6 | 267 | dummy.rand_seed = hdr->rand_seed; |
cfbcd0dc | 268 | dummy.buf_filled_len = 0; |
7d9fb455 | 269 | |
c50ca7bd | 270 | fill_pattern_headers(td, &dummy, hdr->rand_seed, 1); |
7d9fb455 | 271 | |
c50ca7bd JA |
272 | dump_buf(buf + hdr_offset, hdr->len, io_u->offset + hdr_offset, |
273 | "expected", vc->io_u->file); | |
7d9fb455 JA |
274 | free(buf); |
275 | } | |
276 | ||
bfacf389 JA |
277 | static void log_verify_failure(struct verify_header *hdr, struct vcont *vc) |
278 | { | |
279 | unsigned long long offset; | |
280 | ||
281 | offset = vc->io_u->offset; | |
282 | offset += vc->hdr_num * hdr->len; | |
32c17adf JA |
283 | log_err("%.8s: verify failed at file %s offset %llu, length %u\n", |
284 | vc->name, vc->io_u->file->file_name, offset, hdr->len); | |
bfacf389 JA |
285 | |
286 | if (vc->good_crc && vc->bad_crc) { | |
287 | log_err(" Expected CRC: "); | |
288 | hexdump(vc->good_crc, vc->crc_len); | |
289 | log_err(" Received CRC: "); | |
290 | hexdump(vc->bad_crc, vc->crc_len); | |
291 | } | |
7d9fb455 JA |
292 | |
293 | dump_verify_buffers(hdr, vc); | |
bfacf389 JA |
294 | } |
295 | ||
d9f2caf3 JA |
296 | /* |
297 | * Return data area 'header_num' | |
298 | */ | |
936216f8 | 299 | static inline void *io_u_verify_off(struct verify_header *hdr, struct vcont *vc) |
d9f2caf3 | 300 | { |
936216f8 | 301 | return vc->io_u->buf + vc->hdr_num * hdr->len + hdr_size(hdr); |
d9f2caf3 JA |
302 | } |
303 | ||
7437ee87 | 304 | static int verify_io_u_meta(struct verify_header *hdr, struct thread_data *td, |
936216f8 | 305 | struct vcont *vc) |
7437ee87 SL |
306 | { |
307 | struct vhdr_meta *vh = hdr_priv(hdr); | |
936216f8 | 308 | struct io_u *io_u = vc->io_u; |
7437ee87 | 309 | |
bd6f78b2 JA |
310 | dprint(FD_VERIFY, "meta verify io_u %p, len %u\n", io_u, hdr->len); |
311 | ||
bfacf389 JA |
312 | if (vh->offset == io_u->offset + vc->hdr_num * td->o.verify_interval) |
313 | return 0; | |
7437ee87 | 314 | |
bfacf389 JA |
315 | vc->name = "meta"; |
316 | log_verify_failure(hdr, vc); | |
317 | return EILSEQ; | |
7437ee87 SL |
318 | } |
319 | ||
936216f8 | 320 | static int verify_io_u_sha512(struct verify_header *hdr, struct vcont *vc) |
cd14cc10 | 321 | { |
936216f8 | 322 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 323 | struct vhdr_sha512 *vh = hdr_priv(hdr); |
cd14cc10 JA |
324 | uint8_t sha512[128]; |
325 | struct sha512_ctx sha512_ctx = { | |
326 | .buf = sha512, | |
327 | }; | |
328 | ||
936216f8 | 329 | dprint(FD_VERIFY, "sha512 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 330 | |
cd14cc10 | 331 | sha512_init(&sha512_ctx); |
87677832 | 332 | sha512_update(&sha512_ctx, p, hdr->len - hdr_size(hdr)); |
cd14cc10 | 333 | |
bfacf389 JA |
334 | if (!memcmp(vh->sha512, sha512_ctx.buf, sizeof(sha512))) |
335 | return 0; | |
cd14cc10 | 336 | |
bfacf389 JA |
337 | vc->name = "sha512"; |
338 | vc->good_crc = vh->sha512; | |
339 | vc->bad_crc = sha512_ctx.buf; | |
340 | vc->crc_len = sizeof(vh->sha512); | |
341 | log_verify_failure(hdr, vc); | |
342 | return EILSEQ; | |
cd14cc10 JA |
343 | } |
344 | ||
936216f8 | 345 | static int verify_io_u_sha256(struct verify_header *hdr, struct vcont *vc) |
cd14cc10 | 346 | { |
936216f8 | 347 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 348 | struct vhdr_sha256 *vh = hdr_priv(hdr); |
bc77f56f | 349 | uint8_t sha256[64]; |
cd14cc10 JA |
350 | struct sha256_ctx sha256_ctx = { |
351 | .buf = sha256, | |
352 | }; | |
353 | ||
936216f8 | 354 | dprint(FD_VERIFY, "sha256 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 355 | |
cd14cc10 | 356 | sha256_init(&sha256_ctx); |
87677832 | 357 | sha256_update(&sha256_ctx, p, hdr->len - hdr_size(hdr)); |
cd14cc10 | 358 | |
bfacf389 JA |
359 | if (!memcmp(vh->sha256, sha256_ctx.buf, sizeof(sha256))) |
360 | return 0; | |
cd14cc10 | 361 | |
bfacf389 JA |
362 | vc->name = "sha256"; |
363 | vc->good_crc = vh->sha256; | |
364 | vc->bad_crc = sha256_ctx.buf; | |
365 | vc->crc_len = sizeof(vh->sha256); | |
366 | log_verify_failure(hdr, vc); | |
367 | return EILSEQ; | |
cd14cc10 JA |
368 | } |
369 | ||
936216f8 | 370 | static int verify_io_u_sha1(struct verify_header *hdr, struct vcont *vc) |
7c353ceb | 371 | { |
936216f8 | 372 | void *p = io_u_verify_off(hdr, vc); |
7c353ceb JA |
373 | struct vhdr_sha1 *vh = hdr_priv(hdr); |
374 | uint32_t sha1[5]; | |
375 | struct sha1_ctx sha1_ctx = { | |
376 | .H = sha1, | |
377 | }; | |
378 | ||
936216f8 | 379 | dprint(FD_VERIFY, "sha1 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
7c353ceb JA |
380 | |
381 | sha1_init(&sha1_ctx); | |
382 | sha1_update(&sha1_ctx, p, hdr->len - hdr_size(hdr)); | |
383 | ||
bfacf389 JA |
384 | if (!memcmp(vh->sha1, sha1_ctx.H, sizeof(sha1))) |
385 | return 0; | |
7c353ceb | 386 | |
bfacf389 JA |
387 | vc->name = "sha1"; |
388 | vc->good_crc = vh->sha1; | |
389 | vc->bad_crc = sha1_ctx.H; | |
390 | vc->crc_len = sizeof(vh->sha1); | |
391 | log_verify_failure(hdr, vc); | |
392 | return EILSEQ; | |
7c353ceb JA |
393 | } |
394 | ||
936216f8 | 395 | static int verify_io_u_crc7(struct verify_header *hdr, struct vcont *vc) |
1e154bdb | 396 | { |
936216f8 | 397 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 398 | struct vhdr_crc7 *vh = hdr_priv(hdr); |
1e154bdb JA |
399 | unsigned char c; |
400 | ||
936216f8 | 401 | dprint(FD_VERIFY, "crc7 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 402 | |
87677832 | 403 | c = crc7(p, hdr->len - hdr_size(hdr)); |
1e154bdb | 404 | |
bfacf389 JA |
405 | if (c == vh->crc7) |
406 | return 0; | |
1e154bdb | 407 | |
bfacf389 JA |
408 | vc->name = "crc7"; |
409 | vc->good_crc = &vh->crc7; | |
410 | vc->bad_crc = &c; | |
411 | vc->crc_len = 1; | |
412 | log_verify_failure(hdr, vc); | |
413 | return EILSEQ; | |
1e154bdb JA |
414 | } |
415 | ||
936216f8 | 416 | static int verify_io_u_crc16(struct verify_header *hdr, struct vcont *vc) |
969f7ed3 | 417 | { |
936216f8 | 418 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 419 | struct vhdr_crc16 *vh = hdr_priv(hdr); |
969f7ed3 JA |
420 | unsigned short c; |
421 | ||
936216f8 | 422 | dprint(FD_VERIFY, "crc16 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 423 | |
87677832 | 424 | c = crc16(p, hdr->len - hdr_size(hdr)); |
969f7ed3 | 425 | |
bfacf389 JA |
426 | if (c == vh->crc16) |
427 | return 0; | |
969f7ed3 | 428 | |
bfacf389 JA |
429 | vc->name = "crc16"; |
430 | vc->good_crc = &vh->crc16; | |
431 | vc->bad_crc = &c; | |
432 | vc->crc_len = 2; | |
433 | log_verify_failure(hdr, vc); | |
434 | return EILSEQ; | |
969f7ed3 JA |
435 | } |
436 | ||
936216f8 | 437 | static int verify_io_u_crc64(struct verify_header *hdr, struct vcont *vc) |
d77a7af3 | 438 | { |
936216f8 | 439 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 440 | struct vhdr_crc64 *vh = hdr_priv(hdr); |
d77a7af3 JA |
441 | unsigned long long c; |
442 | ||
936216f8 | 443 | dprint(FD_VERIFY, "crc64 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 444 | |
87677832 | 445 | c = crc64(p, hdr->len - hdr_size(hdr)); |
d77a7af3 | 446 | |
bfacf389 JA |
447 | if (c == vh->crc64) |
448 | return 0; | |
d77a7af3 | 449 | |
bfacf389 JA |
450 | vc->name = "crc64"; |
451 | vc->good_crc = &vh->crc64; | |
452 | vc->bad_crc = &c; | |
453 | vc->crc_len = 8; | |
454 | log_verify_failure(hdr, vc); | |
455 | return EILSEQ; | |
d77a7af3 JA |
456 | } |
457 | ||
936216f8 | 458 | static int verify_io_u_crc32(struct verify_header *hdr, struct vcont *vc) |
e29d1b70 | 459 | { |
936216f8 | 460 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f JA |
461 | struct vhdr_crc32 *vh = hdr_priv(hdr); |
462 | uint32_t c; | |
e29d1b70 | 463 | |
936216f8 | 464 | dprint(FD_VERIFY, "crc32 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 465 | |
87677832 | 466 | c = crc32(p, hdr->len - hdr_size(hdr)); |
e29d1b70 | 467 | |
bfacf389 JA |
468 | if (c == vh->crc32) |
469 | return 0; | |
e29d1b70 | 470 | |
bfacf389 JA |
471 | vc->name = "crc32"; |
472 | vc->good_crc = &vh->crc32; | |
473 | vc->bad_crc = &c; | |
474 | vc->crc_len = 4; | |
475 | log_verify_failure(hdr, vc); | |
476 | return EILSEQ; | |
e29d1b70 JA |
477 | } |
478 | ||
936216f8 | 479 | static int verify_io_u_crc32c(struct verify_header *hdr, struct vcont *vc) |
bac39e0e | 480 | { |
936216f8 | 481 | void *p = io_u_verify_off(hdr, vc); |
bac39e0e JA |
482 | struct vhdr_crc32 *vh = hdr_priv(hdr); |
483 | uint32_t c; | |
484 | ||
936216f8 | 485 | dprint(FD_VERIFY, "crc32c verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bac39e0e | 486 | |
3845591f JA |
487 | if (hdr->verify_type == VERIFY_CRC32C_INTEL) |
488 | c = crc32c_intel(p, hdr->len - hdr_size(hdr)); | |
489 | else | |
490 | c = crc32c(p, hdr->len - hdr_size(hdr)); | |
bac39e0e | 491 | |
bfacf389 JA |
492 | if (c == vh->crc32) |
493 | return 0; | |
bac39e0e | 494 | |
bfacf389 JA |
495 | vc->name = "crc32c"; |
496 | vc->good_crc = &vh->crc32; | |
497 | vc->bad_crc = &c; | |
498 | vc->crc_len = 4; | |
499 | log_verify_failure(hdr, vc); | |
500 | return EILSEQ; | |
bac39e0e JA |
501 | } |
502 | ||
936216f8 | 503 | static int verify_io_u_md5(struct verify_header *hdr, struct vcont *vc) |
e29d1b70 | 504 | { |
936216f8 | 505 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 506 | struct vhdr_md5 *vh = hdr_priv(hdr); |
8c432325 JA |
507 | uint32_t hash[MD5_HASH_WORDS]; |
508 | struct md5_ctx md5_ctx = { | |
509 | .hash = hash, | |
510 | }; | |
e29d1b70 | 511 | |
936216f8 | 512 | dprint(FD_VERIFY, "md5 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 513 | |
61f821f1 | 514 | md5_init(&md5_ctx); |
87677832 | 515 | md5_update(&md5_ctx, p, hdr->len - hdr_size(hdr)); |
e29d1b70 | 516 | |
bfacf389 JA |
517 | if (!memcmp(vh->md5_digest, md5_ctx.hash, sizeof(hash))) |
518 | return 0; | |
e29d1b70 | 519 | |
bfacf389 JA |
520 | vc->name = "md5"; |
521 | vc->good_crc = vh->md5_digest; | |
522 | vc->bad_crc = md5_ctx.hash; | |
523 | vc->crc_len = sizeof(hash); | |
524 | log_verify_failure(hdr, vc); | |
525 | return EILSEQ; | |
e29d1b70 JA |
526 | } |
527 | ||
3f199b01 JA |
528 | static unsigned int hweight8(unsigned int w) |
529 | { | |
530 | unsigned int res = w - ((w >> 1) & 0x55); | |
531 | ||
532 | res = (res & 0x33) + ((res >> 2) & 0x33); | |
533 | return (res + (res >> 4)) & 0x0F; | |
534 | } | |
535 | ||
cfbcd0dc | 536 | int verify_io_u_pattern(struct verify_header *hdr, struct vcont *vc) |
a944e335 | 537 | { |
cfbcd0dc JA |
538 | struct thread_data *td = vc->td; |
539 | struct io_u *io_u = vc->io_u; | |
540 | char *pattern = td->o.verify_pattern; | |
541 | unsigned long pattern_size = td->o.verify_pattern_bytes; | |
542 | unsigned int hdr_size = __hdr_size(td->o.verify); | |
543 | char *buf = (void *) hdr + hdr_size; | |
544 | unsigned int hdr_inc = get_hdr_inc(td, io_u); | |
545 | unsigned int len = hdr_inc - hdr_size; | |
546 | unsigned int mod = hdr_size % pattern_size; | |
a944e335 | 547 | unsigned int i; |
a944e335 SL |
548 | |
549 | for (i = 0; i < len; i++) { | |
0e92f873 | 550 | if (buf[i] != pattern[mod]) { |
3f199b01 JA |
551 | unsigned int bits; |
552 | ||
0e92f873 | 553 | bits = hweight8(buf[i] ^ pattern[mod]); |
3f199b01 | 554 | log_err("fio: got pattern %x, wanted %x. Bad bits %d\n", |
0e92f873 | 555 | buf[i], pattern[mod], bits); |
3f199b01 | 556 | log_err("fio: bad pattern block offset %u\n", i); |
cfbcd0dc | 557 | dump_verify_buffers(hdr, vc); |
9fd18969 | 558 | return EILSEQ; |
3f199b01 | 559 | } |
a944e335 SL |
560 | mod++; |
561 | if (mod == pattern_size) | |
562 | mod = 0; | |
563 | } | |
564 | ||
565 | return 0; | |
566 | } | |
567 | ||
e8462bd8 JA |
568 | /* |
569 | * Push IO verification to a separate thread | |
570 | */ | |
571 | int verify_io_u_async(struct thread_data *td, struct io_u *io_u) | |
572 | { | |
573 | if (io_u->file) | |
574 | put_file_log(td, io_u->file); | |
575 | ||
576 | io_u->file = NULL; | |
577 | ||
578 | pthread_mutex_lock(&td->io_u_lock); | |
0c41214f RR |
579 | |
580 | if (io_u->flags & IO_U_F_IN_CUR_DEPTH) { | |
581 | td->cur_depth--; | |
582 | io_u->flags &= ~IO_U_F_IN_CUR_DEPTH; | |
583 | } | |
e8462bd8 JA |
584 | flist_del(&io_u->list); |
585 | flist_add_tail(&io_u->list, &td->verify_list); | |
2ecc1b57 | 586 | io_u->flags |= IO_U_F_FREE_DEF; |
e8462bd8 JA |
587 | pthread_mutex_unlock(&td->io_u_lock); |
588 | ||
589 | pthread_cond_signal(&td->verify_cond); | |
e8462bd8 JA |
590 | return 0; |
591 | } | |
592 | ||
0d29de83 JA |
593 | static int verify_trimmed_io_u(struct thread_data *td, struct io_u *io_u) |
594 | { | |
595 | static char zero_buf[1024]; | |
596 | unsigned int this_len, len; | |
597 | int ret = 0; | |
598 | void *p; | |
599 | ||
600 | if (!td->o.trim_zero) | |
601 | return 0; | |
602 | ||
603 | len = io_u->buflen; | |
604 | p = io_u->buf; | |
605 | do { | |
606 | this_len = sizeof(zero_buf); | |
607 | if (this_len > len) | |
608 | this_len = len; | |
609 | if (memcmp(p, zero_buf, this_len)) { | |
610 | ret = EILSEQ; | |
611 | break; | |
612 | } | |
613 | len -= this_len; | |
614 | p += this_len; | |
615 | } while (len); | |
616 | ||
617 | if (!ret) | |
618 | return 0; | |
619 | ||
a917a8b3 JA |
620 | log_err("trim: verify failed at file %s offset %llu, length %lu" |
621 | ", block offset %lu\n", | |
622 | io_u->file->file_name, io_u->offset, io_u->buflen, | |
2f68124f | 623 | (unsigned long) (p - io_u->buf)); |
0d29de83 JA |
624 | return ret; |
625 | } | |
626 | ||
36690c9b | 627 | int verify_io_u(struct thread_data *td, struct io_u *io_u) |
e29d1b70 | 628 | { |
3f9f4e26 | 629 | struct verify_header *hdr; |
a944e335 | 630 | unsigned int hdr_size, hdr_inc, hdr_num = 0; |
95646108 | 631 | void *p; |
e29d1b70 JA |
632 | int ret; |
633 | ||
1dcc0498 | 634 | if (td->o.verify == VERIFY_NULL || io_u->ddir != DDIR_READ) |
36690c9b | 635 | return 0; |
0d29de83 JA |
636 | if (io_u->flags & IO_U_F_TRIMMED) { |
637 | ret = verify_trimmed_io_u(td, io_u); | |
638 | goto done; | |
639 | } | |
36690c9b | 640 | |
cfbcd0dc | 641 | hdr_inc = get_hdr_inc(td, io_u); |
e29d1b70 | 642 | |
a12a3b4d | 643 | ret = 0; |
5ec10eaa JA |
644 | for (p = io_u->buf; p < io_u->buf + io_u->buflen; |
645 | p += hdr_inc, hdr_num++) { | |
bfacf389 JA |
646 | struct vcont vc = { |
647 | .io_u = io_u, | |
648 | .hdr_num = hdr_num, | |
7d9fb455 | 649 | .td = td, |
bfacf389 | 650 | }; |
936216f8 | 651 | |
f3e6cb95 | 652 | if (ret && td->o.verify_fatal) |
a12a3b4d | 653 | break; |
f3e6cb95 | 654 | |
a944e335 | 655 | hdr_size = __hdr_size(td->o.verify); |
a59e170d | 656 | if (td->o.verify_offset) |
a944e335 | 657 | memswp(p, p + td->o.verify_offset, hdr_size); |
95646108 | 658 | hdr = p; |
e29d1b70 | 659 | |
3f199b01 | 660 | if (hdr->fio_magic != FIO_HDR_MAGIC) { |
c9b44031 JA |
661 | log_err("verify: bad magic header %x, wanted %x at file %s offset %llu, length %u\n", |
662 | hdr->fio_magic, FIO_HDR_MAGIC, | |
663 | io_u->file->file_name, | |
664 | io_u->offset + hdr_num * hdr->len, hdr->len); | |
9fd18969 | 665 | return EILSEQ; |
3f199b01 JA |
666 | } |
667 | ||
e28218f3 | 668 | if (td->o.verify_pattern_bytes) { |
bd6f78b2 JA |
669 | dprint(FD_VERIFY, "pattern verify io_u %p, len %u\n", |
670 | io_u, hdr->len); | |
cfbcd0dc | 671 | ret = verify_io_u_pattern(hdr, &vc); |
c9b44031 JA |
672 | if (ret) { |
673 | log_err("pattern: verify failed at file %s offset %llu, length %u\n", | |
674 | io_u->file->file_name, | |
675 | io_u->offset + hdr_num * hdr->len, | |
676 | hdr->len); | |
677 | } | |
678 | ||
e92d3d71 RR |
679 | /* |
680 | * Also verify the meta data, if applicable | |
681 | */ | |
682 | if (hdr->verify_type == VERIFY_META) | |
936216f8 | 683 | ret |= verify_io_u_meta(hdr, td, &vc); |
e28218f3 SL |
684 | continue; |
685 | } | |
686 | ||
3f9f4e26 SL |
687 | switch (hdr->verify_type) { |
688 | case VERIFY_MD5: | |
936216f8 | 689 | ret = verify_io_u_md5(hdr, &vc); |
3f9f4e26 SL |
690 | break; |
691 | case VERIFY_CRC64: | |
936216f8 | 692 | ret = verify_io_u_crc64(hdr, &vc); |
3f9f4e26 | 693 | break; |
bac39e0e | 694 | case VERIFY_CRC32C: |
3845591f | 695 | case VERIFY_CRC32C_INTEL: |
936216f8 | 696 | ret = verify_io_u_crc32c(hdr, &vc); |
bac39e0e | 697 | break; |
3f9f4e26 | 698 | case VERIFY_CRC32: |
936216f8 | 699 | ret = verify_io_u_crc32(hdr, &vc); |
3f9f4e26 SL |
700 | break; |
701 | case VERIFY_CRC16: | |
936216f8 | 702 | ret = verify_io_u_crc16(hdr, &vc); |
3f9f4e26 SL |
703 | break; |
704 | case VERIFY_CRC7: | |
936216f8 | 705 | ret = verify_io_u_crc7(hdr, &vc); |
3f9f4e26 | 706 | break; |
cd14cc10 | 707 | case VERIFY_SHA256: |
936216f8 | 708 | ret = verify_io_u_sha256(hdr, &vc); |
cd14cc10 JA |
709 | break; |
710 | case VERIFY_SHA512: | |
936216f8 | 711 | ret = verify_io_u_sha512(hdr, &vc); |
cd14cc10 | 712 | break; |
7437ee87 | 713 | case VERIFY_META: |
936216f8 | 714 | ret = verify_io_u_meta(hdr, td, &vc); |
7437ee87 | 715 | break; |
7c353ceb | 716 | case VERIFY_SHA1: |
936216f8 | 717 | ret = verify_io_u_sha1(hdr, &vc); |
7c353ceb | 718 | break; |
3f9f4e26 SL |
719 | default: |
720 | log_err("Bad verify type %u\n", hdr->verify_type); | |
d16d4e09 | 721 | ret = EINVAL; |
3f9f4e26 | 722 | } |
3f9f4e26 | 723 | } |
a7dfe862 | 724 | |
0d29de83 | 725 | done: |
f3e6cb95 JA |
726 | if (ret && td->o.verify_fatal) |
727 | td->terminate = 1; | |
728 | ||
a12a3b4d | 729 | return ret; |
e29d1b70 JA |
730 | } |
731 | ||
7437ee87 | 732 | static void fill_meta(struct verify_header *hdr, struct thread_data *td, |
5ec10eaa | 733 | struct io_u *io_u, unsigned int header_num) |
7437ee87 SL |
734 | { |
735 | struct vhdr_meta *vh = hdr_priv(hdr); | |
736 | ||
737 | vh->thread = td->thread_number; | |
738 | ||
739 | vh->time_sec = io_u->start_time.tv_sec; | |
740 | vh->time_usec = io_u->start_time.tv_usec; | |
741 | ||
742 | vh->numberio = td->io_issues[DDIR_WRITE]; | |
743 | ||
744 | vh->offset = io_u->offset + header_num * td->o.verify_interval; | |
745 | } | |
746 | ||
cd14cc10 JA |
747 | static void fill_sha512(struct verify_header *hdr, void *p, unsigned int len) |
748 | { | |
546dfd9f | 749 | struct vhdr_sha512 *vh = hdr_priv(hdr); |
cd14cc10 | 750 | struct sha512_ctx sha512_ctx = { |
546dfd9f | 751 | .buf = vh->sha512, |
cd14cc10 JA |
752 | }; |
753 | ||
754 | sha512_init(&sha512_ctx); | |
755 | sha512_update(&sha512_ctx, p, len); | |
756 | } | |
757 | ||
758 | static void fill_sha256(struct verify_header *hdr, void *p, unsigned int len) | |
759 | { | |
546dfd9f | 760 | struct vhdr_sha256 *vh = hdr_priv(hdr); |
cd14cc10 | 761 | struct sha256_ctx sha256_ctx = { |
546dfd9f | 762 | .buf = vh->sha256, |
cd14cc10 JA |
763 | }; |
764 | ||
765 | sha256_init(&sha256_ctx); | |
766 | sha256_update(&sha256_ctx, p, len); | |
767 | } | |
768 | ||
7c353ceb JA |
769 | static void fill_sha1(struct verify_header *hdr, void *p, unsigned int len) |
770 | { | |
771 | struct vhdr_sha1 *vh = hdr_priv(hdr); | |
772 | struct sha1_ctx sha1_ctx = { | |
773 | .H = vh->sha1, | |
774 | }; | |
775 | ||
776 | sha1_init(&sha1_ctx); | |
777 | sha1_update(&sha1_ctx, p, len); | |
778 | } | |
779 | ||
1e154bdb JA |
780 | static void fill_crc7(struct verify_header *hdr, void *p, unsigned int len) |
781 | { | |
546dfd9f JA |
782 | struct vhdr_crc7 *vh = hdr_priv(hdr); |
783 | ||
784 | vh->crc7 = crc7(p, len); | |
1e154bdb JA |
785 | } |
786 | ||
969f7ed3 JA |
787 | static void fill_crc16(struct verify_header *hdr, void *p, unsigned int len) |
788 | { | |
546dfd9f JA |
789 | struct vhdr_crc16 *vh = hdr_priv(hdr); |
790 | ||
791 | vh->crc16 = crc16(p, len); | |
969f7ed3 JA |
792 | } |
793 | ||
e29d1b70 JA |
794 | static void fill_crc32(struct verify_header *hdr, void *p, unsigned int len) |
795 | { | |
546dfd9f JA |
796 | struct vhdr_crc32 *vh = hdr_priv(hdr); |
797 | ||
798 | vh->crc32 = crc32(p, len); | |
e29d1b70 JA |
799 | } |
800 | ||
bac39e0e JA |
801 | static void fill_crc32c(struct verify_header *hdr, void *p, unsigned int len) |
802 | { | |
803 | struct vhdr_crc32 *vh = hdr_priv(hdr); | |
804 | ||
3845591f JA |
805 | if (hdr->verify_type == VERIFY_CRC32C_INTEL) |
806 | vh->crc32 = crc32c_intel(p, len); | |
807 | else | |
808 | vh->crc32 = crc32c(p, len); | |
bac39e0e JA |
809 | } |
810 | ||
d77a7af3 JA |
811 | static void fill_crc64(struct verify_header *hdr, void *p, unsigned int len) |
812 | { | |
546dfd9f JA |
813 | struct vhdr_crc64 *vh = hdr_priv(hdr); |
814 | ||
815 | vh->crc64 = crc64(p, len); | |
d77a7af3 JA |
816 | } |
817 | ||
e29d1b70 JA |
818 | static void fill_md5(struct verify_header *hdr, void *p, unsigned int len) |
819 | { | |
546dfd9f | 820 | struct vhdr_md5 *vh = hdr_priv(hdr); |
8c432325 | 821 | struct md5_ctx md5_ctx = { |
546dfd9f | 822 | .hash = (uint32_t *) vh->md5_digest, |
8c432325 | 823 | }; |
e29d1b70 | 824 | |
61f821f1 | 825 | md5_init(&md5_ctx); |
e29d1b70 | 826 | md5_update(&md5_ctx, p, len); |
e29d1b70 JA |
827 | } |
828 | ||
7d9fb455 JA |
829 | static void populate_hdr(struct thread_data *td, struct io_u *io_u, |
830 | struct verify_header *hdr, unsigned int header_num, | |
831 | unsigned int header_len) | |
832 | { | |
833 | unsigned int data_len; | |
834 | void *data, *p; | |
835 | ||
836 | p = (void *) hdr; | |
837 | ||
838 | hdr->fio_magic = FIO_HDR_MAGIC; | |
839 | hdr->len = header_len; | |
840 | hdr->verify_type = td->o.verify; | |
841 | hdr->rand_seed = io_u->rand_seed; | |
842 | data_len = header_len - hdr_size(hdr); | |
843 | ||
844 | data = p + hdr_size(hdr); | |
845 | switch (td->o.verify) { | |
846 | case VERIFY_MD5: | |
847 | dprint(FD_VERIFY, "fill md5 io_u %p, len %u\n", | |
848 | io_u, hdr->len); | |
849 | fill_md5(hdr, data, data_len); | |
850 | break; | |
851 | case VERIFY_CRC64: | |
852 | dprint(FD_VERIFY, "fill crc64 io_u %p, len %u\n", | |
853 | io_u, hdr->len); | |
854 | fill_crc64(hdr, data, data_len); | |
855 | break; | |
856 | case VERIFY_CRC32C: | |
857 | case VERIFY_CRC32C_INTEL: | |
858 | dprint(FD_VERIFY, "fill crc32c io_u %p, len %u\n", | |
859 | io_u, hdr->len); | |
860 | fill_crc32c(hdr, data, data_len); | |
861 | break; | |
862 | case VERIFY_CRC32: | |
863 | dprint(FD_VERIFY, "fill crc32 io_u %p, len %u\n", | |
864 | io_u, hdr->len); | |
865 | fill_crc32(hdr, data, data_len); | |
866 | break; | |
867 | case VERIFY_CRC16: | |
868 | dprint(FD_VERIFY, "fill crc16 io_u %p, len %u\n", | |
869 | io_u, hdr->len); | |
870 | fill_crc16(hdr, data, data_len); | |
871 | break; | |
872 | case VERIFY_CRC7: | |
873 | dprint(FD_VERIFY, "fill crc7 io_u %p, len %u\n", | |
874 | io_u, hdr->len); | |
875 | fill_crc7(hdr, data, data_len); | |
876 | break; | |
877 | case VERIFY_SHA256: | |
878 | dprint(FD_VERIFY, "fill sha256 io_u %p, len %u\n", | |
879 | io_u, hdr->len); | |
880 | fill_sha256(hdr, data, data_len); | |
881 | break; | |
882 | case VERIFY_SHA512: | |
883 | dprint(FD_VERIFY, "fill sha512 io_u %p, len %u\n", | |
884 | io_u, hdr->len); | |
885 | fill_sha512(hdr, data, data_len); | |
886 | break; | |
887 | case VERIFY_META: | |
888 | dprint(FD_VERIFY, "fill meta io_u %p, len %u\n", | |
889 | io_u, hdr->len); | |
890 | fill_meta(hdr, td, io_u, header_num); | |
891 | break; | |
892 | case VERIFY_SHA1: | |
893 | dprint(FD_VERIFY, "fill sha1 io_u %p, len %u\n", | |
894 | io_u, hdr->len); | |
895 | fill_sha1(hdr, data, data_len); | |
896 | break; | |
897 | default: | |
898 | log_err("fio: bad verify type: %d\n", td->o.verify); | |
899 | assert(0); | |
900 | } | |
901 | if (td->o.verify_offset) | |
902 | memswp(p, p + td->o.verify_offset, hdr_size(hdr)); | |
903 | } | |
904 | ||
e29d1b70 JA |
905 | /* |
906 | * fill body of io_u->buf with random data and add a header with the | |
c50ca7bd | 907 | * checksum of choice |
e29d1b70 JA |
908 | */ |
909 | void populate_verify_io_u(struct thread_data *td, struct io_u *io_u) | |
910 | { | |
9cc3d150 JA |
911 | if (td->o.verify == VERIFY_NULL) |
912 | return; | |
913 | ||
c50ca7bd | 914 | fill_pattern_headers(td, io_u, 0, 0); |
e29d1b70 JA |
915 | } |
916 | ||
917 | int get_next_verify(struct thread_data *td, struct io_u *io_u) | |
918 | { | |
8de8f047 | 919 | struct io_piece *ipo = NULL; |
e29d1b70 | 920 | |
d2d7fa53 JA |
921 | /* |
922 | * this io_u is from a requeue, we already filled the offsets | |
923 | */ | |
924 | if (io_u->file) | |
925 | return 0; | |
926 | ||
8de8f047 JA |
927 | if (!RB_EMPTY_ROOT(&td->io_hist_tree)) { |
928 | struct rb_node *n = rb_first(&td->io_hist_tree); | |
e29d1b70 | 929 | |
8de8f047 | 930 | ipo = rb_entry(n, struct io_piece, rb_node); |
4b87898e | 931 | rb_erase(n, &td->io_hist_tree); |
a917a8b3 JA |
932 | assert(ipo->flags & IP_F_ONRB); |
933 | ipo->flags &= ~IP_F_ONRB; | |
01743ee1 JA |
934 | } else if (!flist_empty(&td->io_hist_list)) { |
935 | ipo = flist_entry(td->io_hist_list.next, struct io_piece, list); | |
936 | flist_del(&ipo->list); | |
a917a8b3 JA |
937 | assert(ipo->flags & IP_F_ONLIST); |
938 | ipo->flags &= ~IP_F_ONLIST; | |
8de8f047 | 939 | } |
e29d1b70 | 940 | |
8de8f047 | 941 | if (ipo) { |
0d29de83 JA |
942 | td->io_hist_len--; |
943 | ||
e29d1b70 JA |
944 | io_u->offset = ipo->offset; |
945 | io_u->buflen = ipo->len; | |
36167d82 | 946 | io_u->file = ipo->file; |
97af62ce | 947 | |
0d29de83 JA |
948 | if (ipo->flags & IP_F_TRIMMED) |
949 | io_u->flags |= IO_U_F_TRIMMED; | |
950 | ||
d6aed795 | 951 | if (!fio_file_open(io_u->file)) { |
97af62ce JA |
952 | int r = td_io_open_file(td, io_u->file); |
953 | ||
bd6f78b2 JA |
954 | if (r) { |
955 | dprint(FD_VERIFY, "failed file %s open\n", | |
956 | io_u->file->file_name); | |
97af62ce | 957 | return 1; |
bd6f78b2 | 958 | } |
97af62ce JA |
959 | } |
960 | ||
961 | get_file(ipo->file); | |
d6aed795 | 962 | assert(fio_file_open(io_u->file)); |
e29d1b70 | 963 | io_u->ddir = DDIR_READ; |
36167d82 JA |
964 | io_u->xfer_buf = io_u->buf; |
965 | io_u->xfer_buflen = io_u->buflen; | |
0d29de83 JA |
966 | |
967 | remove_trim_entry(td, ipo); | |
e29d1b70 | 968 | free(ipo); |
bd6f78b2 | 969 | dprint(FD_VERIFY, "get_next_verify: ret io_u %p\n", io_u); |
e29d1b70 JA |
970 | return 0; |
971 | } | |
972 | ||
bd6f78b2 | 973 | dprint(FD_VERIFY, "get_next_verify: empty\n"); |
e29d1b70 JA |
974 | return 1; |
975 | } | |
e8462bd8 JA |
976 | |
977 | static void *verify_async_thread(void *data) | |
978 | { | |
979 | struct thread_data *td = data; | |
980 | struct io_u *io_u; | |
981 | int ret = 0; | |
982 | ||
983 | if (td->o.verify_cpumask_set && | |
984 | fio_setaffinity(td->pid, td->o.verify_cpumask)) { | |
985 | log_err("fio: failed setting verify thread affinity\n"); | |
986 | goto done; | |
987 | } | |
988 | ||
989 | do { | |
e53ab27c JA |
990 | FLIST_HEAD(list); |
991 | ||
e8462bd8 JA |
992 | read_barrier(); |
993 | if (td->verify_thread_exit) | |
994 | break; | |
995 | ||
996 | pthread_mutex_lock(&td->io_u_lock); | |
997 | ||
998 | while (flist_empty(&td->verify_list) && | |
999 | !td->verify_thread_exit) { | |
b36e298b JA |
1000 | ret = pthread_cond_wait(&td->verify_cond, |
1001 | &td->io_u_lock); | |
e8462bd8 JA |
1002 | if (ret) { |
1003 | pthread_mutex_unlock(&td->io_u_lock); | |
1004 | break; | |
1005 | } | |
1006 | } | |
1007 | ||
e53ab27c JA |
1008 | flist_splice_init(&td->verify_list, &list); |
1009 | pthread_mutex_unlock(&td->io_u_lock); | |
1010 | ||
1011 | if (flist_empty(&list)) | |
e8462bd8 | 1012 | continue; |
e8462bd8 | 1013 | |
e53ab27c JA |
1014 | while (!flist_empty(&list)) { |
1015 | io_u = flist_entry(list.next, struct io_u, list); | |
1016 | flist_del_init(&io_u->list); | |
e8462bd8 | 1017 | |
d561f2ab | 1018 | ret = verify_io_u(td, io_u); |
e53ab27c | 1019 | put_io_u(td, io_u); |
d561f2ab JA |
1020 | if (!ret) |
1021 | continue; | |
1022 | if (td->o.continue_on_error && | |
1023 | td_non_fatal_error(ret)) { | |
1024 | update_error_count(td, ret); | |
1025 | td_clear_error(td); | |
1026 | ret = 0; | |
1027 | } | |
e53ab27c | 1028 | } |
e8462bd8 JA |
1029 | } while (!ret); |
1030 | ||
d561f2ab JA |
1031 | if (ret) { |
1032 | td_verror(td, ret, "async_verify"); | |
f3e6cb95 JA |
1033 | if (td->o.verify_fatal) |
1034 | td->terminate = 1; | |
d561f2ab JA |
1035 | } |
1036 | ||
e8462bd8 JA |
1037 | done: |
1038 | pthread_mutex_lock(&td->io_u_lock); | |
1039 | td->nr_verify_threads--; | |
1040 | pthread_mutex_unlock(&td->io_u_lock); | |
1041 | ||
1042 | pthread_cond_signal(&td->free_cond); | |
1043 | return NULL; | |
1044 | } | |
1045 | ||
1046 | int verify_async_init(struct thread_data *td) | |
1047 | { | |
1048 | int i, ret; | |
304a47c7 VA |
1049 | pthread_attr_t attr; |
1050 | ||
1051 | pthread_attr_init(&attr); | |
1052 | pthread_attr_setstacksize(&attr, PTHREAD_STACK_MIN); | |
e8462bd8 JA |
1053 | |
1054 | td->verify_thread_exit = 0; | |
1055 | ||
1056 | td->verify_threads = malloc(sizeof(pthread_t) * td->o.verify_async); | |
1057 | for (i = 0; i < td->o.verify_async; i++) { | |
304a47c7 | 1058 | ret = pthread_create(&td->verify_threads[i], &attr, |
e8462bd8 JA |
1059 | verify_async_thread, td); |
1060 | if (ret) { | |
1061 | log_err("fio: async verify creation failed: %s\n", | |
1062 | strerror(ret)); | |
1063 | break; | |
1064 | } | |
1065 | ret = pthread_detach(td->verify_threads[i]); | |
1066 | if (ret) { | |
1067 | log_err("fio: async verify thread detach failed: %s\n", | |
1068 | strerror(ret)); | |
1069 | break; | |
1070 | } | |
1071 | td->nr_verify_threads++; | |
1072 | } | |
1073 | ||
304a47c7 VA |
1074 | pthread_attr_destroy(&attr); |
1075 | ||
e8462bd8 | 1076 | if (i != td->o.verify_async) { |
e40823b1 | 1077 | log_err("fio: only %d verify threads started, exiting\n", i); |
e8462bd8 JA |
1078 | td->verify_thread_exit = 1; |
1079 | write_barrier(); | |
1080 | pthread_cond_broadcast(&td->verify_cond); | |
1081 | return 1; | |
1082 | } | |
1083 | ||
1084 | return 0; | |
1085 | } | |
1086 | ||
1087 | void verify_async_exit(struct thread_data *td) | |
1088 | { | |
1089 | td->verify_thread_exit = 1; | |
1090 | write_barrier(); | |
1091 | pthread_cond_broadcast(&td->verify_cond); | |
1092 | ||
1093 | pthread_mutex_lock(&td->io_u_lock); | |
1094 | ||
1095 | while (td->nr_verify_threads) | |
1096 | pthread_cond_wait(&td->free_cond, &td->io_u_lock); | |
1097 | ||
1098 | pthread_mutex_unlock(&td->io_u_lock); | |
1099 | free(td->verify_threads); | |
1100 | td->verify_threads = NULL; | |
1101 | } |