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" |
e29d1b70 | 13 | |
eef6eea1 JA |
14 | #include "crc/md5.h" |
15 | #include "crc/crc64.h" | |
16 | #include "crc/crc32.h" | |
bac39e0e | 17 | #include "crc/crc32c.h" |
eef6eea1 JA |
18 | #include "crc/crc16.h" |
19 | #include "crc/crc7.h" | |
20 | #include "crc/sha256.h" | |
21 | #include "crc/sha512.h" | |
7c353ceb | 22 | #include "crc/sha1.h" |
cd14cc10 | 23 | |
90059d65 | 24 | static void fill_random_bytes(struct thread_data *td, void *p, unsigned int len) |
e29d1b70 JA |
25 | { |
26 | unsigned int todo; | |
4c5946c6 | 27 | int r; |
e29d1b70 JA |
28 | |
29 | while (len) { | |
4c5946c6 | 30 | r = os_random_long(&td->verify_state); |
e29d1b70 JA |
31 | |
32 | /* | |
33 | * lrand48_r seems to be broken and only fill the bottom | |
34 | * 32-bits, even on 64-bit archs with 64-bit longs | |
35 | */ | |
36 | todo = sizeof(r); | |
37 | if (todo > len) | |
38 | todo = len; | |
39 | ||
40 | memcpy(p, &r, todo); | |
41 | ||
42 | len -= todo; | |
43 | p += todo; | |
44 | } | |
45 | } | |
46 | ||
90059d65 JA |
47 | static void fill_pattern(struct thread_data *td, void *p, unsigned int len) |
48 | { | |
49 | switch (td->o.verify_pattern_bytes) { | |
50 | case 0: | |
bd6f78b2 | 51 | dprint(FD_VERIFY, "fill random bytes len=%u\n", len); |
90059d65 JA |
52 | fill_random_bytes(td, p, len); |
53 | break; | |
54 | case 1: | |
bd6f78b2 | 55 | dprint(FD_VERIFY, "fill verify pattern b=0 len=%u\n", len); |
0e92f873 | 56 | memset(p, td->o.verify_pattern[0], len); |
90059d65 | 57 | break; |
0e92f873 RR |
58 | default: { |
59 | unsigned int i = 0, size = 0; | |
90059d65 JA |
60 | unsigned char *b = p; |
61 | ||
bd6f78b2 JA |
62 | dprint(FD_VERIFY, "fill verify pattern b=%d len=%u\n", |
63 | td->o.verify_pattern_bytes, len); | |
64 | ||
90059d65 | 65 | while (i < len) { |
0e92f873 RR |
66 | size = td->o.verify_pattern_bytes; |
67 | if (size > (len - i)) | |
68 | size = len - i; | |
69 | memcpy(b+i, td->o.verify_pattern, size); | |
70 | i += size; | |
90059d65 JA |
71 | } |
72 | break; | |
73 | } | |
74 | } | |
75 | } | |
76 | ||
4764aec9 | 77 | static void memswp(void *buf1, void *buf2, unsigned int len) |
546a9142 | 78 | { |
dee6de74 SL |
79 | char swap[200]; |
80 | ||
81 | assert(len <= sizeof(swap)); | |
90059d65 | 82 | |
546a9142 SL |
83 | memcpy(&swap, buf1, len); |
84 | memcpy(buf1, buf2, len); | |
85 | memcpy(buf2, &swap, len); | |
86 | } | |
87 | ||
e29d1b70 JA |
88 | static void hexdump(void *buffer, int len) |
89 | { | |
90 | unsigned char *p = buffer; | |
91 | int i; | |
92 | ||
93 | for (i = 0; i < len; i++) | |
bfacf389 JA |
94 | log_err("%02x", p[i]); |
95 | log_err("\n"); | |
e29d1b70 JA |
96 | } |
97 | ||
87677832 JA |
98 | /* |
99 | * Prepare for seperation of verify_header and checksum header | |
100 | */ | |
546dfd9f | 101 | static inline unsigned int __hdr_size(int verify_type) |
87677832 | 102 | { |
5921e80c | 103 | unsigned int len = len; |
87677832 | 104 | |
546dfd9f JA |
105 | switch (verify_type) { |
106 | case VERIFY_NONE: | |
107 | case VERIFY_NULL: | |
108 | len = 0; | |
109 | break; | |
110 | case VERIFY_MD5: | |
111 | len = sizeof(struct vhdr_md5); | |
112 | break; | |
113 | case VERIFY_CRC64: | |
114 | len = sizeof(struct vhdr_crc64); | |
115 | break; | |
bac39e0e | 116 | case VERIFY_CRC32C: |
546dfd9f | 117 | case VERIFY_CRC32: |
3845591f | 118 | case VERIFY_CRC32C_INTEL: |
546dfd9f JA |
119 | len = sizeof(struct vhdr_crc32); |
120 | break; | |
121 | case VERIFY_CRC16: | |
122 | len = sizeof(struct vhdr_crc16); | |
123 | break; | |
124 | case VERIFY_CRC7: | |
125 | len = sizeof(struct vhdr_crc7); | |
126 | break; | |
127 | case VERIFY_SHA256: | |
128 | len = sizeof(struct vhdr_sha256); | |
129 | break; | |
130 | case VERIFY_SHA512: | |
131 | len = sizeof(struct vhdr_sha512); | |
132 | break; | |
7437ee87 SL |
133 | case VERIFY_META: |
134 | len = sizeof(struct vhdr_meta); | |
135 | break; | |
7c353ceb JA |
136 | case VERIFY_SHA1: |
137 | len = sizeof(struct vhdr_sha1); | |
138 | break; | |
546dfd9f JA |
139 | default: |
140 | log_err("fio: unknown verify header!\n"); | |
141 | assert(0); | |
142 | } | |
143 | ||
144 | return len + sizeof(struct verify_header); | |
87677832 JA |
145 | } |
146 | ||
147 | static inline unsigned int hdr_size(struct verify_header *hdr) | |
148 | { | |
546dfd9f JA |
149 | return __hdr_size(hdr->verify_type); |
150 | } | |
151 | ||
152 | static void *hdr_priv(struct verify_header *hdr) | |
153 | { | |
154 | void *priv = hdr; | |
155 | ||
156 | return priv + sizeof(struct verify_header); | |
87677832 JA |
157 | } |
158 | ||
936216f8 JA |
159 | /* |
160 | * Verify container, pass info to verify handlers and allow them to | |
161 | * pass info back in case of error | |
162 | */ | |
163 | struct vcont { | |
164 | /* | |
165 | * Input | |
166 | */ | |
167 | struct io_u *io_u; | |
168 | unsigned int hdr_num; | |
169 | ||
170 | /* | |
171 | * Output, only valid in case of error | |
172 | */ | |
bfacf389 JA |
173 | const char *name; |
174 | void *good_crc; | |
175 | void *bad_crc; | |
936216f8 JA |
176 | unsigned int crc_len; |
177 | }; | |
178 | ||
bfacf389 JA |
179 | static void log_verify_failure(struct verify_header *hdr, struct vcont *vc) |
180 | { | |
181 | unsigned long long offset; | |
182 | ||
183 | offset = vc->io_u->offset; | |
184 | offset += vc->hdr_num * hdr->len; | |
32c17adf JA |
185 | log_err("%.8s: verify failed at file %s offset %llu, length %u\n", |
186 | vc->name, vc->io_u->file->file_name, offset, hdr->len); | |
bfacf389 JA |
187 | |
188 | if (vc->good_crc && vc->bad_crc) { | |
189 | log_err(" Expected CRC: "); | |
190 | hexdump(vc->good_crc, vc->crc_len); | |
191 | log_err(" Received CRC: "); | |
192 | hexdump(vc->bad_crc, vc->crc_len); | |
193 | } | |
194 | } | |
195 | ||
d9f2caf3 JA |
196 | /* |
197 | * Return data area 'header_num' | |
198 | */ | |
936216f8 | 199 | static inline void *io_u_verify_off(struct verify_header *hdr, struct vcont *vc) |
d9f2caf3 | 200 | { |
936216f8 | 201 | return vc->io_u->buf + vc->hdr_num * hdr->len + hdr_size(hdr); |
d9f2caf3 JA |
202 | } |
203 | ||
7437ee87 | 204 | static int verify_io_u_meta(struct verify_header *hdr, struct thread_data *td, |
936216f8 | 205 | struct vcont *vc) |
7437ee87 SL |
206 | { |
207 | struct vhdr_meta *vh = hdr_priv(hdr); | |
936216f8 | 208 | struct io_u *io_u = vc->io_u; |
7437ee87 | 209 | |
bd6f78b2 JA |
210 | dprint(FD_VERIFY, "meta verify io_u %p, len %u\n", io_u, hdr->len); |
211 | ||
bfacf389 JA |
212 | if (vh->offset == io_u->offset + vc->hdr_num * td->o.verify_interval) |
213 | return 0; | |
7437ee87 | 214 | |
bfacf389 JA |
215 | vc->name = "meta"; |
216 | log_verify_failure(hdr, vc); | |
217 | return EILSEQ; | |
7437ee87 SL |
218 | } |
219 | ||
936216f8 | 220 | static int verify_io_u_sha512(struct verify_header *hdr, struct vcont *vc) |
cd14cc10 | 221 | { |
936216f8 | 222 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 223 | struct vhdr_sha512 *vh = hdr_priv(hdr); |
cd14cc10 JA |
224 | uint8_t sha512[128]; |
225 | struct sha512_ctx sha512_ctx = { | |
226 | .buf = sha512, | |
227 | }; | |
228 | ||
936216f8 | 229 | dprint(FD_VERIFY, "sha512 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 230 | |
cd14cc10 | 231 | sha512_init(&sha512_ctx); |
87677832 | 232 | sha512_update(&sha512_ctx, p, hdr->len - hdr_size(hdr)); |
cd14cc10 | 233 | |
bfacf389 JA |
234 | if (!memcmp(vh->sha512, sha512_ctx.buf, sizeof(sha512))) |
235 | return 0; | |
cd14cc10 | 236 | |
bfacf389 JA |
237 | vc->name = "sha512"; |
238 | vc->good_crc = vh->sha512; | |
239 | vc->bad_crc = sha512_ctx.buf; | |
240 | vc->crc_len = sizeof(vh->sha512); | |
241 | log_verify_failure(hdr, vc); | |
242 | return EILSEQ; | |
cd14cc10 JA |
243 | } |
244 | ||
936216f8 | 245 | static int verify_io_u_sha256(struct verify_header *hdr, struct vcont *vc) |
cd14cc10 | 246 | { |
936216f8 | 247 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 248 | struct vhdr_sha256 *vh = hdr_priv(hdr); |
bc77f56f | 249 | uint8_t sha256[64]; |
cd14cc10 JA |
250 | struct sha256_ctx sha256_ctx = { |
251 | .buf = sha256, | |
252 | }; | |
253 | ||
936216f8 | 254 | dprint(FD_VERIFY, "sha256 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 255 | |
cd14cc10 | 256 | sha256_init(&sha256_ctx); |
87677832 | 257 | sha256_update(&sha256_ctx, p, hdr->len - hdr_size(hdr)); |
cd14cc10 | 258 | |
bfacf389 JA |
259 | if (!memcmp(vh->sha256, sha256_ctx.buf, sizeof(sha256))) |
260 | return 0; | |
cd14cc10 | 261 | |
bfacf389 JA |
262 | vc->name = "sha256"; |
263 | vc->good_crc = vh->sha256; | |
264 | vc->bad_crc = sha256_ctx.buf; | |
265 | vc->crc_len = sizeof(vh->sha256); | |
266 | log_verify_failure(hdr, vc); | |
267 | return EILSEQ; | |
cd14cc10 JA |
268 | } |
269 | ||
936216f8 | 270 | static int verify_io_u_sha1(struct verify_header *hdr, struct vcont *vc) |
7c353ceb | 271 | { |
936216f8 | 272 | void *p = io_u_verify_off(hdr, vc); |
7c353ceb JA |
273 | struct vhdr_sha1 *vh = hdr_priv(hdr); |
274 | uint32_t sha1[5]; | |
275 | struct sha1_ctx sha1_ctx = { | |
276 | .H = sha1, | |
277 | }; | |
278 | ||
936216f8 | 279 | dprint(FD_VERIFY, "sha1 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
7c353ceb JA |
280 | |
281 | sha1_init(&sha1_ctx); | |
282 | sha1_update(&sha1_ctx, p, hdr->len - hdr_size(hdr)); | |
283 | ||
bfacf389 JA |
284 | if (!memcmp(vh->sha1, sha1_ctx.H, sizeof(sha1))) |
285 | return 0; | |
7c353ceb | 286 | |
bfacf389 JA |
287 | vc->name = "sha1"; |
288 | vc->good_crc = vh->sha1; | |
289 | vc->bad_crc = sha1_ctx.H; | |
290 | vc->crc_len = sizeof(vh->sha1); | |
291 | log_verify_failure(hdr, vc); | |
292 | return EILSEQ; | |
7c353ceb JA |
293 | } |
294 | ||
936216f8 | 295 | static int verify_io_u_crc7(struct verify_header *hdr, struct vcont *vc) |
1e154bdb | 296 | { |
936216f8 | 297 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 298 | struct vhdr_crc7 *vh = hdr_priv(hdr); |
1e154bdb JA |
299 | unsigned char c; |
300 | ||
936216f8 | 301 | dprint(FD_VERIFY, "crc7 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 302 | |
87677832 | 303 | c = crc7(p, hdr->len - hdr_size(hdr)); |
1e154bdb | 304 | |
bfacf389 JA |
305 | if (c == vh->crc7) |
306 | return 0; | |
1e154bdb | 307 | |
bfacf389 JA |
308 | vc->name = "crc7"; |
309 | vc->good_crc = &vh->crc7; | |
310 | vc->bad_crc = &c; | |
311 | vc->crc_len = 1; | |
312 | log_verify_failure(hdr, vc); | |
313 | return EILSEQ; | |
1e154bdb JA |
314 | } |
315 | ||
936216f8 | 316 | static int verify_io_u_crc16(struct verify_header *hdr, struct vcont *vc) |
969f7ed3 | 317 | { |
936216f8 | 318 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 319 | struct vhdr_crc16 *vh = hdr_priv(hdr); |
969f7ed3 JA |
320 | unsigned short c; |
321 | ||
936216f8 | 322 | dprint(FD_VERIFY, "crc16 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 323 | |
87677832 | 324 | c = crc16(p, hdr->len - hdr_size(hdr)); |
969f7ed3 | 325 | |
bfacf389 JA |
326 | if (c == vh->crc16) |
327 | return 0; | |
969f7ed3 | 328 | |
bfacf389 JA |
329 | vc->name = "crc16"; |
330 | vc->good_crc = &vh->crc16; | |
331 | vc->bad_crc = &c; | |
332 | vc->crc_len = 2; | |
333 | log_verify_failure(hdr, vc); | |
334 | return EILSEQ; | |
969f7ed3 JA |
335 | } |
336 | ||
936216f8 | 337 | static int verify_io_u_crc64(struct verify_header *hdr, struct vcont *vc) |
d77a7af3 | 338 | { |
936216f8 | 339 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 340 | struct vhdr_crc64 *vh = hdr_priv(hdr); |
d77a7af3 JA |
341 | unsigned long long c; |
342 | ||
936216f8 | 343 | dprint(FD_VERIFY, "crc64 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 344 | |
87677832 | 345 | c = crc64(p, hdr->len - hdr_size(hdr)); |
d77a7af3 | 346 | |
bfacf389 JA |
347 | if (c == vh->crc64) |
348 | return 0; | |
d77a7af3 | 349 | |
bfacf389 JA |
350 | vc->name = "crc64"; |
351 | vc->good_crc = &vh->crc64; | |
352 | vc->bad_crc = &c; | |
353 | vc->crc_len = 8; | |
354 | log_verify_failure(hdr, vc); | |
355 | return EILSEQ; | |
d77a7af3 JA |
356 | } |
357 | ||
936216f8 | 358 | static int verify_io_u_crc32(struct verify_header *hdr, struct vcont *vc) |
e29d1b70 | 359 | { |
936216f8 | 360 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f JA |
361 | struct vhdr_crc32 *vh = hdr_priv(hdr); |
362 | uint32_t c; | |
e29d1b70 | 363 | |
936216f8 | 364 | dprint(FD_VERIFY, "crc32 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 365 | |
87677832 | 366 | c = crc32(p, hdr->len - hdr_size(hdr)); |
e29d1b70 | 367 | |
bfacf389 JA |
368 | if (c == vh->crc32) |
369 | return 0; | |
e29d1b70 | 370 | |
bfacf389 JA |
371 | vc->name = "crc32"; |
372 | vc->good_crc = &vh->crc32; | |
373 | vc->bad_crc = &c; | |
374 | vc->crc_len = 4; | |
375 | log_verify_failure(hdr, vc); | |
376 | return EILSEQ; | |
e29d1b70 JA |
377 | } |
378 | ||
936216f8 | 379 | static int verify_io_u_crc32c(struct verify_header *hdr, struct vcont *vc) |
bac39e0e | 380 | { |
936216f8 | 381 | void *p = io_u_verify_off(hdr, vc); |
bac39e0e JA |
382 | struct vhdr_crc32 *vh = hdr_priv(hdr); |
383 | uint32_t c; | |
384 | ||
936216f8 | 385 | dprint(FD_VERIFY, "crc32c verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bac39e0e | 386 | |
3845591f JA |
387 | if (hdr->verify_type == VERIFY_CRC32C_INTEL) |
388 | c = crc32c_intel(p, hdr->len - hdr_size(hdr)); | |
389 | else | |
390 | c = crc32c(p, hdr->len - hdr_size(hdr)); | |
bac39e0e | 391 | |
bfacf389 JA |
392 | if (c == vh->crc32) |
393 | return 0; | |
bac39e0e | 394 | |
bfacf389 JA |
395 | vc->name = "crc32c"; |
396 | vc->good_crc = &vh->crc32; | |
397 | vc->bad_crc = &c; | |
398 | vc->crc_len = 4; | |
399 | log_verify_failure(hdr, vc); | |
400 | return EILSEQ; | |
bac39e0e JA |
401 | } |
402 | ||
936216f8 | 403 | static int verify_io_u_md5(struct verify_header *hdr, struct vcont *vc) |
e29d1b70 | 404 | { |
936216f8 | 405 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 406 | struct vhdr_md5 *vh = hdr_priv(hdr); |
8c432325 JA |
407 | uint32_t hash[MD5_HASH_WORDS]; |
408 | struct md5_ctx md5_ctx = { | |
409 | .hash = hash, | |
410 | }; | |
e29d1b70 | 411 | |
936216f8 | 412 | dprint(FD_VERIFY, "md5 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 413 | |
61f821f1 | 414 | md5_init(&md5_ctx); |
87677832 | 415 | md5_update(&md5_ctx, p, hdr->len - hdr_size(hdr)); |
e29d1b70 | 416 | |
bfacf389 JA |
417 | if (!memcmp(vh->md5_digest, md5_ctx.hash, sizeof(hash))) |
418 | return 0; | |
e29d1b70 | 419 | |
bfacf389 JA |
420 | vc->name = "md5"; |
421 | vc->good_crc = vh->md5_digest; | |
422 | vc->bad_crc = md5_ctx.hash; | |
423 | vc->crc_len = sizeof(hash); | |
424 | log_verify_failure(hdr, vc); | |
425 | return EILSEQ; | |
e29d1b70 JA |
426 | } |
427 | ||
3f199b01 JA |
428 | static unsigned int hweight8(unsigned int w) |
429 | { | |
430 | unsigned int res = w - ((w >> 1) & 0x55); | |
431 | ||
432 | res = (res & 0x33) + ((res >> 2) & 0x33); | |
433 | return (res + (res >> 4)) & 0x0F; | |
434 | } | |
435 | ||
0e92f873 | 436 | int verify_io_u_pattern(char *pattern, unsigned long pattern_size, |
5ec10eaa | 437 | char *buf, unsigned int len, unsigned int mod) |
a944e335 SL |
438 | { |
439 | unsigned int i; | |
a944e335 SL |
440 | |
441 | for (i = 0; i < len; i++) { | |
0e92f873 | 442 | if (buf[i] != pattern[mod]) { |
3f199b01 JA |
443 | unsigned int bits; |
444 | ||
0e92f873 | 445 | bits = hweight8(buf[i] ^ pattern[mod]); |
3f199b01 | 446 | log_err("fio: got pattern %x, wanted %x. Bad bits %d\n", |
0e92f873 | 447 | buf[i], pattern[mod], bits); |
3f199b01 | 448 | log_err("fio: bad pattern block offset %u\n", i); |
9fd18969 | 449 | return EILSEQ; |
3f199b01 | 450 | } |
a944e335 SL |
451 | mod++; |
452 | if (mod == pattern_size) | |
453 | mod = 0; | |
454 | } | |
455 | ||
456 | return 0; | |
457 | } | |
458 | ||
e8462bd8 JA |
459 | /* |
460 | * Push IO verification to a separate thread | |
461 | */ | |
462 | int verify_io_u_async(struct thread_data *td, struct io_u *io_u) | |
463 | { | |
464 | if (io_u->file) | |
465 | put_file_log(td, io_u->file); | |
466 | ||
467 | io_u->file = NULL; | |
468 | ||
469 | pthread_mutex_lock(&td->io_u_lock); | |
0c41214f RR |
470 | |
471 | if (io_u->flags & IO_U_F_IN_CUR_DEPTH) { | |
472 | td->cur_depth--; | |
473 | io_u->flags &= ~IO_U_F_IN_CUR_DEPTH; | |
474 | } | |
e8462bd8 JA |
475 | flist_del(&io_u->list); |
476 | flist_add_tail(&io_u->list, &td->verify_list); | |
2ecc1b57 | 477 | io_u->flags |= IO_U_F_FREE_DEF; |
e8462bd8 JA |
478 | pthread_mutex_unlock(&td->io_u_lock); |
479 | ||
480 | pthread_cond_signal(&td->verify_cond); | |
e8462bd8 JA |
481 | return 0; |
482 | } | |
483 | ||
36690c9b | 484 | int verify_io_u(struct thread_data *td, struct io_u *io_u) |
e29d1b70 | 485 | { |
3f9f4e26 | 486 | struct verify_header *hdr; |
a944e335 | 487 | unsigned int hdr_size, hdr_inc, hdr_num = 0; |
95646108 | 488 | void *p; |
e29d1b70 JA |
489 | int ret; |
490 | ||
1dcc0498 | 491 | if (td->o.verify == VERIFY_NULL || io_u->ddir != DDIR_READ) |
36690c9b JA |
492 | return 0; |
493 | ||
3f9f4e26 | 494 | hdr_inc = io_u->buflen; |
a59e170d JA |
495 | if (td->o.verify_interval) |
496 | hdr_inc = td->o.verify_interval; | |
e29d1b70 | 497 | |
a12a3b4d | 498 | ret = 0; |
5ec10eaa JA |
499 | for (p = io_u->buf; p < io_u->buf + io_u->buflen; |
500 | p += hdr_inc, hdr_num++) { | |
bfacf389 JA |
501 | struct vcont vc = { |
502 | .io_u = io_u, | |
503 | .hdr_num = hdr_num, | |
504 | }; | |
936216f8 | 505 | |
f3e6cb95 | 506 | if (ret && td->o.verify_fatal) |
a12a3b4d | 507 | break; |
f3e6cb95 | 508 | |
a944e335 | 509 | hdr_size = __hdr_size(td->o.verify); |
a59e170d | 510 | if (td->o.verify_offset) |
a944e335 | 511 | memswp(p, p + td->o.verify_offset, hdr_size); |
95646108 | 512 | hdr = p; |
e29d1b70 | 513 | |
3f199b01 | 514 | if (hdr->fio_magic != FIO_HDR_MAGIC) { |
c9b44031 JA |
515 | log_err("verify: bad magic header %x, wanted %x at file %s offset %llu, length %u\n", |
516 | hdr->fio_magic, FIO_HDR_MAGIC, | |
517 | io_u->file->file_name, | |
518 | io_u->offset + hdr_num * hdr->len, hdr->len); | |
9fd18969 | 519 | return EILSEQ; |
3f199b01 JA |
520 | } |
521 | ||
e28218f3 | 522 | if (td->o.verify_pattern_bytes) { |
bd6f78b2 JA |
523 | dprint(FD_VERIFY, "pattern verify io_u %p, len %u\n", |
524 | io_u, hdr->len); | |
e28218f3 | 525 | ret = verify_io_u_pattern(td->o.verify_pattern, |
0e92f873 RR |
526 | td->o.verify_pattern_bytes, |
527 | p + hdr_size, | |
528 | hdr_inc - hdr_size, | |
529 | hdr_size % td->o.verify_pattern_bytes); | |
c9b44031 JA |
530 | |
531 | if (ret) { | |
532 | log_err("pattern: verify failed at file %s offset %llu, length %u\n", | |
533 | io_u->file->file_name, | |
534 | io_u->offset + hdr_num * hdr->len, | |
535 | hdr->len); | |
536 | } | |
537 | ||
e92d3d71 RR |
538 | /* |
539 | * Also verify the meta data, if applicable | |
540 | */ | |
541 | if (hdr->verify_type == VERIFY_META) | |
936216f8 | 542 | ret |= verify_io_u_meta(hdr, td, &vc); |
e28218f3 SL |
543 | continue; |
544 | } | |
545 | ||
3f9f4e26 SL |
546 | switch (hdr->verify_type) { |
547 | case VERIFY_MD5: | |
936216f8 | 548 | ret = verify_io_u_md5(hdr, &vc); |
3f9f4e26 SL |
549 | break; |
550 | case VERIFY_CRC64: | |
936216f8 | 551 | ret = verify_io_u_crc64(hdr, &vc); |
3f9f4e26 | 552 | break; |
bac39e0e | 553 | case VERIFY_CRC32C: |
3845591f | 554 | case VERIFY_CRC32C_INTEL: |
936216f8 | 555 | ret = verify_io_u_crc32c(hdr, &vc); |
bac39e0e | 556 | break; |
3f9f4e26 | 557 | case VERIFY_CRC32: |
936216f8 | 558 | ret = verify_io_u_crc32(hdr, &vc); |
3f9f4e26 SL |
559 | break; |
560 | case VERIFY_CRC16: | |
936216f8 | 561 | ret = verify_io_u_crc16(hdr, &vc); |
3f9f4e26 SL |
562 | break; |
563 | case VERIFY_CRC7: | |
936216f8 | 564 | ret = verify_io_u_crc7(hdr, &vc); |
3f9f4e26 | 565 | break; |
cd14cc10 | 566 | case VERIFY_SHA256: |
936216f8 | 567 | ret = verify_io_u_sha256(hdr, &vc); |
cd14cc10 JA |
568 | break; |
569 | case VERIFY_SHA512: | |
936216f8 | 570 | ret = verify_io_u_sha512(hdr, &vc); |
cd14cc10 | 571 | break; |
7437ee87 | 572 | case VERIFY_META: |
936216f8 | 573 | ret = verify_io_u_meta(hdr, td, &vc); |
7437ee87 | 574 | break; |
7c353ceb | 575 | case VERIFY_SHA1: |
936216f8 | 576 | ret = verify_io_u_sha1(hdr, &vc); |
7c353ceb | 577 | break; |
3f9f4e26 SL |
578 | default: |
579 | log_err("Bad verify type %u\n", hdr->verify_type); | |
d16d4e09 | 580 | ret = EINVAL; |
3f9f4e26 | 581 | } |
3f9f4e26 | 582 | } |
a7dfe862 | 583 | |
f3e6cb95 JA |
584 | if (ret && td->o.verify_fatal) |
585 | td->terminate = 1; | |
586 | ||
a12a3b4d | 587 | return ret; |
e29d1b70 JA |
588 | } |
589 | ||
7437ee87 | 590 | static void fill_meta(struct verify_header *hdr, struct thread_data *td, |
5ec10eaa | 591 | struct io_u *io_u, unsigned int header_num) |
7437ee87 SL |
592 | { |
593 | struct vhdr_meta *vh = hdr_priv(hdr); | |
594 | ||
595 | vh->thread = td->thread_number; | |
596 | ||
597 | vh->time_sec = io_u->start_time.tv_sec; | |
598 | vh->time_usec = io_u->start_time.tv_usec; | |
599 | ||
600 | vh->numberio = td->io_issues[DDIR_WRITE]; | |
601 | ||
602 | vh->offset = io_u->offset + header_num * td->o.verify_interval; | |
603 | } | |
604 | ||
cd14cc10 JA |
605 | static void fill_sha512(struct verify_header *hdr, void *p, unsigned int len) |
606 | { | |
546dfd9f | 607 | struct vhdr_sha512 *vh = hdr_priv(hdr); |
cd14cc10 | 608 | struct sha512_ctx sha512_ctx = { |
546dfd9f | 609 | .buf = vh->sha512, |
cd14cc10 JA |
610 | }; |
611 | ||
612 | sha512_init(&sha512_ctx); | |
613 | sha512_update(&sha512_ctx, p, len); | |
614 | } | |
615 | ||
616 | static void fill_sha256(struct verify_header *hdr, void *p, unsigned int len) | |
617 | { | |
546dfd9f | 618 | struct vhdr_sha256 *vh = hdr_priv(hdr); |
cd14cc10 | 619 | struct sha256_ctx sha256_ctx = { |
546dfd9f | 620 | .buf = vh->sha256, |
cd14cc10 JA |
621 | }; |
622 | ||
623 | sha256_init(&sha256_ctx); | |
624 | sha256_update(&sha256_ctx, p, len); | |
625 | } | |
626 | ||
7c353ceb JA |
627 | static void fill_sha1(struct verify_header *hdr, void *p, unsigned int len) |
628 | { | |
629 | struct vhdr_sha1 *vh = hdr_priv(hdr); | |
630 | struct sha1_ctx sha1_ctx = { | |
631 | .H = vh->sha1, | |
632 | }; | |
633 | ||
634 | sha1_init(&sha1_ctx); | |
635 | sha1_update(&sha1_ctx, p, len); | |
636 | } | |
637 | ||
1e154bdb JA |
638 | static void fill_crc7(struct verify_header *hdr, void *p, unsigned int len) |
639 | { | |
546dfd9f JA |
640 | struct vhdr_crc7 *vh = hdr_priv(hdr); |
641 | ||
642 | vh->crc7 = crc7(p, len); | |
1e154bdb JA |
643 | } |
644 | ||
969f7ed3 JA |
645 | static void fill_crc16(struct verify_header *hdr, void *p, unsigned int len) |
646 | { | |
546dfd9f JA |
647 | struct vhdr_crc16 *vh = hdr_priv(hdr); |
648 | ||
649 | vh->crc16 = crc16(p, len); | |
969f7ed3 JA |
650 | } |
651 | ||
e29d1b70 JA |
652 | static void fill_crc32(struct verify_header *hdr, void *p, unsigned int len) |
653 | { | |
546dfd9f JA |
654 | struct vhdr_crc32 *vh = hdr_priv(hdr); |
655 | ||
656 | vh->crc32 = crc32(p, len); | |
e29d1b70 JA |
657 | } |
658 | ||
bac39e0e JA |
659 | static void fill_crc32c(struct verify_header *hdr, void *p, unsigned int len) |
660 | { | |
661 | struct vhdr_crc32 *vh = hdr_priv(hdr); | |
662 | ||
3845591f JA |
663 | if (hdr->verify_type == VERIFY_CRC32C_INTEL) |
664 | vh->crc32 = crc32c_intel(p, len); | |
665 | else | |
666 | vh->crc32 = crc32c(p, len); | |
bac39e0e JA |
667 | } |
668 | ||
d77a7af3 JA |
669 | static void fill_crc64(struct verify_header *hdr, void *p, unsigned int len) |
670 | { | |
546dfd9f JA |
671 | struct vhdr_crc64 *vh = hdr_priv(hdr); |
672 | ||
673 | vh->crc64 = crc64(p, len); | |
d77a7af3 JA |
674 | } |
675 | ||
e29d1b70 JA |
676 | static void fill_md5(struct verify_header *hdr, void *p, unsigned int len) |
677 | { | |
546dfd9f | 678 | struct vhdr_md5 *vh = hdr_priv(hdr); |
8c432325 | 679 | struct md5_ctx md5_ctx = { |
546dfd9f | 680 | .hash = (uint32_t *) vh->md5_digest, |
8c432325 | 681 | }; |
e29d1b70 | 682 | |
61f821f1 | 683 | md5_init(&md5_ctx); |
e29d1b70 | 684 | md5_update(&md5_ctx, p, len); |
e29d1b70 JA |
685 | } |
686 | ||
687 | /* | |
688 | * fill body of io_u->buf with random data and add a header with the | |
689 | * crc32 or md5 sum of that data. | |
690 | */ | |
691 | void populate_verify_io_u(struct thread_data *td, struct io_u *io_u) | |
692 | { | |
baefa9be | 693 | struct verify_header *hdr; |
95646108 | 694 | void *p = io_u->buf, *data; |
7437ee87 | 695 | unsigned int hdr_inc, data_len, header_num = 0; |
e29d1b70 | 696 | |
9cc3d150 JA |
697 | if (td->o.verify == VERIFY_NULL) |
698 | return; | |
699 | ||
90059d65 | 700 | fill_pattern(td, p, io_u->buflen); |
546a9142 SL |
701 | |
702 | hdr_inc = io_u->buflen; | |
a59e170d JA |
703 | if (td->o.verify_interval) |
704 | hdr_inc = td->o.verify_interval; | |
baefa9be | 705 | |
5ec10eaa | 706 | for (; p < io_u->buf + io_u->buflen; p += hdr_inc) { |
95646108 | 707 | hdr = p; |
3f9f4e26 SL |
708 | |
709 | hdr->fio_magic = FIO_HDR_MAGIC; | |
710 | hdr->verify_type = td->o.verify; | |
546a9142 | 711 | hdr->len = hdr_inc; |
87677832 | 712 | data_len = hdr_inc - hdr_size(hdr); |
3f9f4e26 | 713 | |
87677832 | 714 | data = p + hdr_size(hdr); |
3f9f4e26 SL |
715 | switch (td->o.verify) { |
716 | case VERIFY_MD5: | |
bd6f78b2 JA |
717 | dprint(FD_VERIFY, "fill md5 io_u %p, len %u\n", |
718 | io_u, hdr->len); | |
3f9f4e26 SL |
719 | fill_md5(hdr, data, data_len); |
720 | break; | |
721 | case VERIFY_CRC64: | |
bd6f78b2 JA |
722 | dprint(FD_VERIFY, "fill crc64 io_u %p, len %u\n", |
723 | io_u, hdr->len); | |
3f9f4e26 SL |
724 | fill_crc64(hdr, data, data_len); |
725 | break; | |
bac39e0e | 726 | case VERIFY_CRC32C: |
3845591f | 727 | case VERIFY_CRC32C_INTEL: |
bac39e0e JA |
728 | dprint(FD_VERIFY, "fill crc32c io_u %p, len %u\n", |
729 | io_u, hdr->len); | |
730 | fill_crc32c(hdr, data, data_len); | |
731 | break; | |
3f9f4e26 | 732 | case VERIFY_CRC32: |
bd6f78b2 JA |
733 | dprint(FD_VERIFY, "fill crc32 io_u %p, len %u\n", |
734 | io_u, hdr->len); | |
3f9f4e26 SL |
735 | fill_crc32(hdr, data, data_len); |
736 | break; | |
737 | case VERIFY_CRC16: | |
bd6f78b2 JA |
738 | dprint(FD_VERIFY, "fill crc16 io_u %p, len %u\n", |
739 | io_u, hdr->len); | |
3f9f4e26 SL |
740 | fill_crc16(hdr, data, data_len); |
741 | break; | |
742 | case VERIFY_CRC7: | |
bd6f78b2 JA |
743 | dprint(FD_VERIFY, "fill crc7 io_u %p, len %u\n", |
744 | io_u, hdr->len); | |
3f9f4e26 SL |
745 | fill_crc7(hdr, data, data_len); |
746 | break; | |
cd14cc10 | 747 | case VERIFY_SHA256: |
bd6f78b2 JA |
748 | dprint(FD_VERIFY, "fill sha256 io_u %p, len %u\n", |
749 | io_u, hdr->len); | |
cd14cc10 JA |
750 | fill_sha256(hdr, data, data_len); |
751 | break; | |
752 | case VERIFY_SHA512: | |
bd6f78b2 JA |
753 | dprint(FD_VERIFY, "fill sha512 io_u %p, len %u\n", |
754 | io_u, hdr->len); | |
cd14cc10 JA |
755 | fill_sha512(hdr, data, data_len); |
756 | break; | |
7437ee87 | 757 | case VERIFY_META: |
bd6f78b2 JA |
758 | dprint(FD_VERIFY, "fill meta io_u %p, len %u\n", |
759 | io_u, hdr->len); | |
7437ee87 SL |
760 | fill_meta(hdr, td, io_u, header_num); |
761 | break; | |
7c353ceb JA |
762 | case VERIFY_SHA1: |
763 | dprint(FD_VERIFY, "fill sha1 io_u %p, len %u\n", | |
764 | io_u, hdr->len); | |
765 | fill_sha1(hdr, data, data_len); | |
766 | break; | |
3f9f4e26 SL |
767 | default: |
768 | log_err("fio: bad verify type: %d\n", td->o.verify); | |
769 | assert(0); | |
770 | } | |
a59e170d | 771 | if (td->o.verify_offset) |
87677832 | 772 | memswp(p, p + td->o.verify_offset, hdr_size(hdr)); |
7437ee87 | 773 | header_num++; |
e29d1b70 | 774 | } |
e29d1b70 JA |
775 | } |
776 | ||
777 | int get_next_verify(struct thread_data *td, struct io_u *io_u) | |
778 | { | |
8de8f047 | 779 | struct io_piece *ipo = NULL; |
e29d1b70 | 780 | |
d2d7fa53 JA |
781 | /* |
782 | * this io_u is from a requeue, we already filled the offsets | |
783 | */ | |
784 | if (io_u->file) | |
785 | return 0; | |
786 | ||
8de8f047 JA |
787 | if (!RB_EMPTY_ROOT(&td->io_hist_tree)) { |
788 | struct rb_node *n = rb_first(&td->io_hist_tree); | |
e29d1b70 | 789 | |
8de8f047 | 790 | ipo = rb_entry(n, struct io_piece, rb_node); |
4b87898e | 791 | rb_erase(n, &td->io_hist_tree); |
9e144189 | 792 | td->io_hist_len--; |
01743ee1 JA |
793 | } else if (!flist_empty(&td->io_hist_list)) { |
794 | ipo = flist_entry(td->io_hist_list.next, struct io_piece, list); | |
9e144189 | 795 | td->io_hist_len--; |
01743ee1 | 796 | flist_del(&ipo->list); |
8de8f047 | 797 | } |
e29d1b70 | 798 | |
8de8f047 | 799 | if (ipo) { |
e29d1b70 JA |
800 | io_u->offset = ipo->offset; |
801 | io_u->buflen = ipo->len; | |
36167d82 | 802 | io_u->file = ipo->file; |
97af62ce | 803 | |
d6aed795 | 804 | if (!fio_file_open(io_u->file)) { |
97af62ce JA |
805 | int r = td_io_open_file(td, io_u->file); |
806 | ||
bd6f78b2 JA |
807 | if (r) { |
808 | dprint(FD_VERIFY, "failed file %s open\n", | |
809 | io_u->file->file_name); | |
97af62ce | 810 | return 1; |
bd6f78b2 | 811 | } |
97af62ce JA |
812 | } |
813 | ||
814 | get_file(ipo->file); | |
d6aed795 | 815 | assert(fio_file_open(io_u->file)); |
e29d1b70 | 816 | io_u->ddir = DDIR_READ; |
36167d82 JA |
817 | io_u->xfer_buf = io_u->buf; |
818 | io_u->xfer_buflen = io_u->buflen; | |
e29d1b70 | 819 | free(ipo); |
bd6f78b2 | 820 | dprint(FD_VERIFY, "get_next_verify: ret io_u %p\n", io_u); |
e29d1b70 JA |
821 | return 0; |
822 | } | |
823 | ||
bd6f78b2 | 824 | dprint(FD_VERIFY, "get_next_verify: empty\n"); |
e29d1b70 JA |
825 | return 1; |
826 | } | |
e8462bd8 JA |
827 | |
828 | static void *verify_async_thread(void *data) | |
829 | { | |
830 | struct thread_data *td = data; | |
831 | struct io_u *io_u; | |
832 | int ret = 0; | |
833 | ||
834 | if (td->o.verify_cpumask_set && | |
835 | fio_setaffinity(td->pid, td->o.verify_cpumask)) { | |
836 | log_err("fio: failed setting verify thread affinity\n"); | |
837 | goto done; | |
838 | } | |
839 | ||
840 | do { | |
e53ab27c JA |
841 | FLIST_HEAD(list); |
842 | ||
e8462bd8 JA |
843 | read_barrier(); |
844 | if (td->verify_thread_exit) | |
845 | break; | |
846 | ||
847 | pthread_mutex_lock(&td->io_u_lock); | |
848 | ||
849 | while (flist_empty(&td->verify_list) && | |
850 | !td->verify_thread_exit) { | |
b36e298b JA |
851 | ret = pthread_cond_wait(&td->verify_cond, |
852 | &td->io_u_lock); | |
e8462bd8 JA |
853 | if (ret) { |
854 | pthread_mutex_unlock(&td->io_u_lock); | |
855 | break; | |
856 | } | |
857 | } | |
858 | ||
e53ab27c JA |
859 | flist_splice_init(&td->verify_list, &list); |
860 | pthread_mutex_unlock(&td->io_u_lock); | |
861 | ||
862 | if (flist_empty(&list)) | |
e8462bd8 | 863 | continue; |
e8462bd8 | 864 | |
e53ab27c JA |
865 | while (!flist_empty(&list)) { |
866 | io_u = flist_entry(list.next, struct io_u, list); | |
867 | flist_del_init(&io_u->list); | |
e8462bd8 | 868 | |
d561f2ab | 869 | ret = verify_io_u(td, io_u); |
e53ab27c | 870 | put_io_u(td, io_u); |
d561f2ab JA |
871 | if (!ret) |
872 | continue; | |
873 | if (td->o.continue_on_error && | |
874 | td_non_fatal_error(ret)) { | |
875 | update_error_count(td, ret); | |
876 | td_clear_error(td); | |
877 | ret = 0; | |
878 | } | |
e53ab27c | 879 | } |
e8462bd8 JA |
880 | } while (!ret); |
881 | ||
d561f2ab JA |
882 | if (ret) { |
883 | td_verror(td, ret, "async_verify"); | |
f3e6cb95 JA |
884 | if (td->o.verify_fatal) |
885 | td->terminate = 1; | |
d561f2ab JA |
886 | } |
887 | ||
e8462bd8 JA |
888 | done: |
889 | pthread_mutex_lock(&td->io_u_lock); | |
890 | td->nr_verify_threads--; | |
891 | pthread_mutex_unlock(&td->io_u_lock); | |
892 | ||
893 | pthread_cond_signal(&td->free_cond); | |
894 | return NULL; | |
895 | } | |
896 | ||
897 | int verify_async_init(struct thread_data *td) | |
898 | { | |
899 | int i, ret; | |
900 | ||
901 | td->verify_thread_exit = 0; | |
902 | ||
903 | td->verify_threads = malloc(sizeof(pthread_t) * td->o.verify_async); | |
904 | for (i = 0; i < td->o.verify_async; i++) { | |
905 | ret = pthread_create(&td->verify_threads[i], NULL, | |
906 | verify_async_thread, td); | |
907 | if (ret) { | |
908 | log_err("fio: async verify creation failed: %s\n", | |
909 | strerror(ret)); | |
910 | break; | |
911 | } | |
912 | ret = pthread_detach(td->verify_threads[i]); | |
913 | if (ret) { | |
914 | log_err("fio: async verify thread detach failed: %s\n", | |
915 | strerror(ret)); | |
916 | break; | |
917 | } | |
918 | td->nr_verify_threads++; | |
919 | } | |
920 | ||
921 | if (i != td->o.verify_async) { | |
e40823b1 | 922 | log_err("fio: only %d verify threads started, exiting\n", i); |
e8462bd8 JA |
923 | td->verify_thread_exit = 1; |
924 | write_barrier(); | |
925 | pthread_cond_broadcast(&td->verify_cond); | |
926 | return 1; | |
927 | } | |
928 | ||
929 | return 0; | |
930 | } | |
931 | ||
932 | void verify_async_exit(struct thread_data *td) | |
933 | { | |
934 | td->verify_thread_exit = 1; | |
935 | write_barrier(); | |
936 | pthread_cond_broadcast(&td->verify_cond); | |
937 | ||
938 | pthread_mutex_lock(&td->io_u_lock); | |
939 | ||
940 | while (td->nr_verify_threads) | |
941 | pthread_cond_wait(&td->free_cond, &td->io_u_lock); | |
942 | ||
943 | pthread_mutex_unlock(&td->io_u_lock); | |
944 | free(td->verify_threads); | |
945 | td->verify_threads = NULL; | |
946 | } |