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" |
637ef8d9 | 13 | #include "lib/rand.h" |
e29d1b70 | 14 | |
eef6eea1 JA |
15 | #include "crc/md5.h" |
16 | #include "crc/crc64.h" | |
17 | #include "crc/crc32.h" | |
bac39e0e | 18 | #include "crc/crc32c.h" |
eef6eea1 JA |
19 | #include "crc/crc16.h" |
20 | #include "crc/crc7.h" | |
21 | #include "crc/sha256.h" | |
22 | #include "crc/sha512.h" | |
7c353ceb | 23 | #include "crc/sha1.h" |
cd14cc10 | 24 | |
cbe8d756 | 25 | void fill_pattern(struct thread_data *td, void *p, unsigned int len, struct io_u *io_u) |
90059d65 JA |
26 | { |
27 | switch (td->o.verify_pattern_bytes) { | |
28 | case 0: | |
bd6f78b2 | 29 | dprint(FD_VERIFY, "fill random bytes len=%u\n", len); |
637ef8d9 | 30 | fill_random_buf(p, len); |
90059d65 JA |
31 | break; |
32 | case 1: | |
95228507 JA |
33 | if ((io_u->flags & IO_U_F_FILLED) && |
34 | io_u->buf_filled_len >= len) { | |
cbe8d756 RR |
35 | dprint(FD_VERIFY, "using already filled verify pattern b=0 len=%u\n", len); |
36 | return; | |
37 | } | |
bd6f78b2 | 38 | dprint(FD_VERIFY, "fill verify pattern b=0 len=%u\n", len); |
0e92f873 | 39 | memset(p, td->o.verify_pattern[0], len); |
95228507 | 40 | io_u->flags |= IO_U_F_FILLED; |
cbe8d756 | 41 | io_u->buf_filled_len = len; |
90059d65 | 42 | break; |
0e92f873 RR |
43 | default: { |
44 | unsigned int i = 0, size = 0; | |
90059d65 JA |
45 | unsigned char *b = p; |
46 | ||
95228507 JA |
47 | if ((io_u->flags & IO_U_F_FILLED) && |
48 | io_u->buf_filled_len >= len) { | |
cbe8d756 RR |
49 | dprint(FD_VERIFY, "using already filled verify pattern b=%d len=%u\n", |
50 | td->o.verify_pattern_bytes, len); | |
51 | return; | |
52 | } | |
bd6f78b2 JA |
53 | dprint(FD_VERIFY, "fill verify pattern b=%d len=%u\n", |
54 | td->o.verify_pattern_bytes, len); | |
55 | ||
90059d65 | 56 | while (i < len) { |
0e92f873 RR |
57 | size = td->o.verify_pattern_bytes; |
58 | if (size > (len - i)) | |
59 | size = len - i; | |
60 | memcpy(b+i, td->o.verify_pattern, size); | |
61 | i += size; | |
90059d65 | 62 | } |
95228507 | 63 | io_u->flags |= IO_U_F_FILLED; |
cbe8d756 | 64 | io_u->buf_filled_len = len; |
90059d65 JA |
65 | break; |
66 | } | |
67 | } | |
68 | } | |
69 | ||
4764aec9 | 70 | static void memswp(void *buf1, void *buf2, unsigned int len) |
546a9142 | 71 | { |
dee6de74 SL |
72 | char swap[200]; |
73 | ||
74 | assert(len <= sizeof(swap)); | |
90059d65 | 75 | |
546a9142 SL |
76 | memcpy(&swap, buf1, len); |
77 | memcpy(buf1, buf2, len); | |
78 | memcpy(buf2, &swap, len); | |
79 | } | |
80 | ||
e29d1b70 JA |
81 | static void hexdump(void *buffer, int len) |
82 | { | |
83 | unsigned char *p = buffer; | |
84 | int i; | |
85 | ||
86 | for (i = 0; i < len; i++) | |
bfacf389 JA |
87 | log_err("%02x", p[i]); |
88 | log_err("\n"); | |
e29d1b70 JA |
89 | } |
90 | ||
87677832 JA |
91 | /* |
92 | * Prepare for seperation of verify_header and checksum header | |
93 | */ | |
546dfd9f | 94 | static inline unsigned int __hdr_size(int verify_type) |
87677832 | 95 | { |
5921e80c | 96 | unsigned int len = len; |
87677832 | 97 | |
546dfd9f JA |
98 | switch (verify_type) { |
99 | case VERIFY_NONE: | |
100 | case VERIFY_NULL: | |
101 | len = 0; | |
102 | break; | |
103 | case VERIFY_MD5: | |
104 | len = sizeof(struct vhdr_md5); | |
105 | break; | |
106 | case VERIFY_CRC64: | |
107 | len = sizeof(struct vhdr_crc64); | |
108 | break; | |
bac39e0e | 109 | case VERIFY_CRC32C: |
546dfd9f | 110 | case VERIFY_CRC32: |
3845591f | 111 | case VERIFY_CRC32C_INTEL: |
546dfd9f JA |
112 | len = sizeof(struct vhdr_crc32); |
113 | break; | |
114 | case VERIFY_CRC16: | |
115 | len = sizeof(struct vhdr_crc16); | |
116 | break; | |
117 | case VERIFY_CRC7: | |
118 | len = sizeof(struct vhdr_crc7); | |
119 | break; | |
120 | case VERIFY_SHA256: | |
121 | len = sizeof(struct vhdr_sha256); | |
122 | break; | |
123 | case VERIFY_SHA512: | |
124 | len = sizeof(struct vhdr_sha512); | |
125 | break; | |
7437ee87 SL |
126 | case VERIFY_META: |
127 | len = sizeof(struct vhdr_meta); | |
128 | break; | |
7c353ceb JA |
129 | case VERIFY_SHA1: |
130 | len = sizeof(struct vhdr_sha1); | |
131 | break; | |
546dfd9f JA |
132 | default: |
133 | log_err("fio: unknown verify header!\n"); | |
134 | assert(0); | |
135 | } | |
136 | ||
137 | return len + sizeof(struct verify_header); | |
87677832 JA |
138 | } |
139 | ||
140 | static inline unsigned int hdr_size(struct verify_header *hdr) | |
141 | { | |
546dfd9f JA |
142 | return __hdr_size(hdr->verify_type); |
143 | } | |
144 | ||
145 | static void *hdr_priv(struct verify_header *hdr) | |
146 | { | |
147 | void *priv = hdr; | |
148 | ||
149 | return priv + sizeof(struct verify_header); | |
87677832 JA |
150 | } |
151 | ||
936216f8 JA |
152 | /* |
153 | * Verify container, pass info to verify handlers and allow them to | |
154 | * pass info back in case of error | |
155 | */ | |
156 | struct vcont { | |
157 | /* | |
158 | * Input | |
159 | */ | |
160 | struct io_u *io_u; | |
161 | unsigned int hdr_num; | |
162 | ||
163 | /* | |
164 | * Output, only valid in case of error | |
165 | */ | |
bfacf389 JA |
166 | const char *name; |
167 | void *good_crc; | |
168 | void *bad_crc; | |
936216f8 JA |
169 | unsigned int crc_len; |
170 | }; | |
171 | ||
bfacf389 JA |
172 | static void log_verify_failure(struct verify_header *hdr, struct vcont *vc) |
173 | { | |
174 | unsigned long long offset; | |
175 | ||
176 | offset = vc->io_u->offset; | |
177 | offset += vc->hdr_num * hdr->len; | |
32c17adf JA |
178 | log_err("%.8s: verify failed at file %s offset %llu, length %u\n", |
179 | vc->name, vc->io_u->file->file_name, offset, hdr->len); | |
bfacf389 JA |
180 | |
181 | if (vc->good_crc && vc->bad_crc) { | |
182 | log_err(" Expected CRC: "); | |
183 | hexdump(vc->good_crc, vc->crc_len); | |
184 | log_err(" Received CRC: "); | |
185 | hexdump(vc->bad_crc, vc->crc_len); | |
186 | } | |
187 | } | |
188 | ||
d9f2caf3 JA |
189 | /* |
190 | * Return data area 'header_num' | |
191 | */ | |
936216f8 | 192 | static inline void *io_u_verify_off(struct verify_header *hdr, struct vcont *vc) |
d9f2caf3 | 193 | { |
936216f8 | 194 | return vc->io_u->buf + vc->hdr_num * hdr->len + hdr_size(hdr); |
d9f2caf3 JA |
195 | } |
196 | ||
7437ee87 | 197 | static int verify_io_u_meta(struct verify_header *hdr, struct thread_data *td, |
936216f8 | 198 | struct vcont *vc) |
7437ee87 SL |
199 | { |
200 | struct vhdr_meta *vh = hdr_priv(hdr); | |
936216f8 | 201 | struct io_u *io_u = vc->io_u; |
7437ee87 | 202 | |
bd6f78b2 JA |
203 | dprint(FD_VERIFY, "meta verify io_u %p, len %u\n", io_u, hdr->len); |
204 | ||
bfacf389 JA |
205 | if (vh->offset == io_u->offset + vc->hdr_num * td->o.verify_interval) |
206 | return 0; | |
7437ee87 | 207 | |
bfacf389 JA |
208 | vc->name = "meta"; |
209 | log_verify_failure(hdr, vc); | |
210 | return EILSEQ; | |
7437ee87 SL |
211 | } |
212 | ||
936216f8 | 213 | static int verify_io_u_sha512(struct verify_header *hdr, struct vcont *vc) |
cd14cc10 | 214 | { |
936216f8 | 215 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 216 | struct vhdr_sha512 *vh = hdr_priv(hdr); |
cd14cc10 JA |
217 | uint8_t sha512[128]; |
218 | struct sha512_ctx sha512_ctx = { | |
219 | .buf = sha512, | |
220 | }; | |
221 | ||
936216f8 | 222 | dprint(FD_VERIFY, "sha512 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 223 | |
cd14cc10 | 224 | sha512_init(&sha512_ctx); |
87677832 | 225 | sha512_update(&sha512_ctx, p, hdr->len - hdr_size(hdr)); |
cd14cc10 | 226 | |
bfacf389 JA |
227 | if (!memcmp(vh->sha512, sha512_ctx.buf, sizeof(sha512))) |
228 | return 0; | |
cd14cc10 | 229 | |
bfacf389 JA |
230 | vc->name = "sha512"; |
231 | vc->good_crc = vh->sha512; | |
232 | vc->bad_crc = sha512_ctx.buf; | |
233 | vc->crc_len = sizeof(vh->sha512); | |
234 | log_verify_failure(hdr, vc); | |
235 | return EILSEQ; | |
cd14cc10 JA |
236 | } |
237 | ||
936216f8 | 238 | static int verify_io_u_sha256(struct verify_header *hdr, struct vcont *vc) |
cd14cc10 | 239 | { |
936216f8 | 240 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 241 | struct vhdr_sha256 *vh = hdr_priv(hdr); |
bc77f56f | 242 | uint8_t sha256[64]; |
cd14cc10 JA |
243 | struct sha256_ctx sha256_ctx = { |
244 | .buf = sha256, | |
245 | }; | |
246 | ||
936216f8 | 247 | dprint(FD_VERIFY, "sha256 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 248 | |
cd14cc10 | 249 | sha256_init(&sha256_ctx); |
87677832 | 250 | sha256_update(&sha256_ctx, p, hdr->len - hdr_size(hdr)); |
cd14cc10 | 251 | |
bfacf389 JA |
252 | if (!memcmp(vh->sha256, sha256_ctx.buf, sizeof(sha256))) |
253 | return 0; | |
cd14cc10 | 254 | |
bfacf389 JA |
255 | vc->name = "sha256"; |
256 | vc->good_crc = vh->sha256; | |
257 | vc->bad_crc = sha256_ctx.buf; | |
258 | vc->crc_len = sizeof(vh->sha256); | |
259 | log_verify_failure(hdr, vc); | |
260 | return EILSEQ; | |
cd14cc10 JA |
261 | } |
262 | ||
936216f8 | 263 | static int verify_io_u_sha1(struct verify_header *hdr, struct vcont *vc) |
7c353ceb | 264 | { |
936216f8 | 265 | void *p = io_u_verify_off(hdr, vc); |
7c353ceb JA |
266 | struct vhdr_sha1 *vh = hdr_priv(hdr); |
267 | uint32_t sha1[5]; | |
268 | struct sha1_ctx sha1_ctx = { | |
269 | .H = sha1, | |
270 | }; | |
271 | ||
936216f8 | 272 | dprint(FD_VERIFY, "sha1 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
7c353ceb JA |
273 | |
274 | sha1_init(&sha1_ctx); | |
275 | sha1_update(&sha1_ctx, p, hdr->len - hdr_size(hdr)); | |
276 | ||
bfacf389 JA |
277 | if (!memcmp(vh->sha1, sha1_ctx.H, sizeof(sha1))) |
278 | return 0; | |
7c353ceb | 279 | |
bfacf389 JA |
280 | vc->name = "sha1"; |
281 | vc->good_crc = vh->sha1; | |
282 | vc->bad_crc = sha1_ctx.H; | |
283 | vc->crc_len = sizeof(vh->sha1); | |
284 | log_verify_failure(hdr, vc); | |
285 | return EILSEQ; | |
7c353ceb JA |
286 | } |
287 | ||
936216f8 | 288 | static int verify_io_u_crc7(struct verify_header *hdr, struct vcont *vc) |
1e154bdb | 289 | { |
936216f8 | 290 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 291 | struct vhdr_crc7 *vh = hdr_priv(hdr); |
1e154bdb JA |
292 | unsigned char c; |
293 | ||
936216f8 | 294 | dprint(FD_VERIFY, "crc7 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 295 | |
87677832 | 296 | c = crc7(p, hdr->len - hdr_size(hdr)); |
1e154bdb | 297 | |
bfacf389 JA |
298 | if (c == vh->crc7) |
299 | return 0; | |
1e154bdb | 300 | |
bfacf389 JA |
301 | vc->name = "crc7"; |
302 | vc->good_crc = &vh->crc7; | |
303 | vc->bad_crc = &c; | |
304 | vc->crc_len = 1; | |
305 | log_verify_failure(hdr, vc); | |
306 | return EILSEQ; | |
1e154bdb JA |
307 | } |
308 | ||
936216f8 | 309 | static int verify_io_u_crc16(struct verify_header *hdr, struct vcont *vc) |
969f7ed3 | 310 | { |
936216f8 | 311 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 312 | struct vhdr_crc16 *vh = hdr_priv(hdr); |
969f7ed3 JA |
313 | unsigned short c; |
314 | ||
936216f8 | 315 | dprint(FD_VERIFY, "crc16 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 316 | |
87677832 | 317 | c = crc16(p, hdr->len - hdr_size(hdr)); |
969f7ed3 | 318 | |
bfacf389 JA |
319 | if (c == vh->crc16) |
320 | return 0; | |
969f7ed3 | 321 | |
bfacf389 JA |
322 | vc->name = "crc16"; |
323 | vc->good_crc = &vh->crc16; | |
324 | vc->bad_crc = &c; | |
325 | vc->crc_len = 2; | |
326 | log_verify_failure(hdr, vc); | |
327 | return EILSEQ; | |
969f7ed3 JA |
328 | } |
329 | ||
936216f8 | 330 | static int verify_io_u_crc64(struct verify_header *hdr, struct vcont *vc) |
d77a7af3 | 331 | { |
936216f8 | 332 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 333 | struct vhdr_crc64 *vh = hdr_priv(hdr); |
d77a7af3 JA |
334 | unsigned long long c; |
335 | ||
936216f8 | 336 | dprint(FD_VERIFY, "crc64 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 337 | |
87677832 | 338 | c = crc64(p, hdr->len - hdr_size(hdr)); |
d77a7af3 | 339 | |
bfacf389 JA |
340 | if (c == vh->crc64) |
341 | return 0; | |
d77a7af3 | 342 | |
bfacf389 JA |
343 | vc->name = "crc64"; |
344 | vc->good_crc = &vh->crc64; | |
345 | vc->bad_crc = &c; | |
346 | vc->crc_len = 8; | |
347 | log_verify_failure(hdr, vc); | |
348 | return EILSEQ; | |
d77a7af3 JA |
349 | } |
350 | ||
936216f8 | 351 | static int verify_io_u_crc32(struct verify_header *hdr, struct vcont *vc) |
e29d1b70 | 352 | { |
936216f8 | 353 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f JA |
354 | struct vhdr_crc32 *vh = hdr_priv(hdr); |
355 | uint32_t c; | |
e29d1b70 | 356 | |
936216f8 | 357 | dprint(FD_VERIFY, "crc32 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 358 | |
87677832 | 359 | c = crc32(p, hdr->len - hdr_size(hdr)); |
e29d1b70 | 360 | |
bfacf389 JA |
361 | if (c == vh->crc32) |
362 | return 0; | |
e29d1b70 | 363 | |
bfacf389 JA |
364 | vc->name = "crc32"; |
365 | vc->good_crc = &vh->crc32; | |
366 | vc->bad_crc = &c; | |
367 | vc->crc_len = 4; | |
368 | log_verify_failure(hdr, vc); | |
369 | return EILSEQ; | |
e29d1b70 JA |
370 | } |
371 | ||
936216f8 | 372 | static int verify_io_u_crc32c(struct verify_header *hdr, struct vcont *vc) |
bac39e0e | 373 | { |
936216f8 | 374 | void *p = io_u_verify_off(hdr, vc); |
bac39e0e JA |
375 | struct vhdr_crc32 *vh = hdr_priv(hdr); |
376 | uint32_t c; | |
377 | ||
936216f8 | 378 | dprint(FD_VERIFY, "crc32c verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bac39e0e | 379 | |
3845591f JA |
380 | if (hdr->verify_type == VERIFY_CRC32C_INTEL) |
381 | c = crc32c_intel(p, hdr->len - hdr_size(hdr)); | |
382 | else | |
383 | c = crc32c(p, hdr->len - hdr_size(hdr)); | |
bac39e0e | 384 | |
bfacf389 JA |
385 | if (c == vh->crc32) |
386 | return 0; | |
bac39e0e | 387 | |
bfacf389 JA |
388 | vc->name = "crc32c"; |
389 | vc->good_crc = &vh->crc32; | |
390 | vc->bad_crc = &c; | |
391 | vc->crc_len = 4; | |
392 | log_verify_failure(hdr, vc); | |
393 | return EILSEQ; | |
bac39e0e JA |
394 | } |
395 | ||
936216f8 | 396 | static int verify_io_u_md5(struct verify_header *hdr, struct vcont *vc) |
e29d1b70 | 397 | { |
936216f8 | 398 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 399 | struct vhdr_md5 *vh = hdr_priv(hdr); |
8c432325 JA |
400 | uint32_t hash[MD5_HASH_WORDS]; |
401 | struct md5_ctx md5_ctx = { | |
402 | .hash = hash, | |
403 | }; | |
e29d1b70 | 404 | |
936216f8 | 405 | dprint(FD_VERIFY, "md5 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 406 | |
61f821f1 | 407 | md5_init(&md5_ctx); |
87677832 | 408 | md5_update(&md5_ctx, p, hdr->len - hdr_size(hdr)); |
e29d1b70 | 409 | |
bfacf389 JA |
410 | if (!memcmp(vh->md5_digest, md5_ctx.hash, sizeof(hash))) |
411 | return 0; | |
e29d1b70 | 412 | |
bfacf389 JA |
413 | vc->name = "md5"; |
414 | vc->good_crc = vh->md5_digest; | |
415 | vc->bad_crc = md5_ctx.hash; | |
416 | vc->crc_len = sizeof(hash); | |
417 | log_verify_failure(hdr, vc); | |
418 | return EILSEQ; | |
e29d1b70 JA |
419 | } |
420 | ||
3f199b01 JA |
421 | static unsigned int hweight8(unsigned int w) |
422 | { | |
423 | unsigned int res = w - ((w >> 1) & 0x55); | |
424 | ||
425 | res = (res & 0x33) + ((res >> 2) & 0x33); | |
426 | return (res + (res >> 4)) & 0x0F; | |
427 | } | |
428 | ||
0e92f873 | 429 | int verify_io_u_pattern(char *pattern, unsigned long pattern_size, |
5ec10eaa | 430 | char *buf, unsigned int len, unsigned int mod) |
a944e335 SL |
431 | { |
432 | unsigned int i; | |
a944e335 SL |
433 | |
434 | for (i = 0; i < len; i++) { | |
0e92f873 | 435 | if (buf[i] != pattern[mod]) { |
3f199b01 JA |
436 | unsigned int bits; |
437 | ||
0e92f873 | 438 | bits = hweight8(buf[i] ^ pattern[mod]); |
3f199b01 | 439 | log_err("fio: got pattern %x, wanted %x. Bad bits %d\n", |
0e92f873 | 440 | buf[i], pattern[mod], bits); |
3f199b01 | 441 | log_err("fio: bad pattern block offset %u\n", i); |
9fd18969 | 442 | return EILSEQ; |
3f199b01 | 443 | } |
a944e335 SL |
444 | mod++; |
445 | if (mod == pattern_size) | |
446 | mod = 0; | |
447 | } | |
448 | ||
449 | return 0; | |
450 | } | |
451 | ||
e8462bd8 JA |
452 | /* |
453 | * Push IO verification to a separate thread | |
454 | */ | |
455 | int verify_io_u_async(struct thread_data *td, struct io_u *io_u) | |
456 | { | |
457 | if (io_u->file) | |
458 | put_file_log(td, io_u->file); | |
459 | ||
460 | io_u->file = NULL; | |
461 | ||
462 | pthread_mutex_lock(&td->io_u_lock); | |
0c41214f RR |
463 | |
464 | if (io_u->flags & IO_U_F_IN_CUR_DEPTH) { | |
465 | td->cur_depth--; | |
466 | io_u->flags &= ~IO_U_F_IN_CUR_DEPTH; | |
467 | } | |
e8462bd8 JA |
468 | flist_del(&io_u->list); |
469 | flist_add_tail(&io_u->list, &td->verify_list); | |
2ecc1b57 | 470 | io_u->flags |= IO_U_F_FREE_DEF; |
e8462bd8 JA |
471 | pthread_mutex_unlock(&td->io_u_lock); |
472 | ||
473 | pthread_cond_signal(&td->verify_cond); | |
e8462bd8 JA |
474 | return 0; |
475 | } | |
476 | ||
36690c9b | 477 | int verify_io_u(struct thread_data *td, struct io_u *io_u) |
e29d1b70 | 478 | { |
3f9f4e26 | 479 | struct verify_header *hdr; |
a944e335 | 480 | unsigned int hdr_size, hdr_inc, hdr_num = 0; |
95646108 | 481 | void *p; |
e29d1b70 JA |
482 | int ret; |
483 | ||
1dcc0498 | 484 | if (td->o.verify == VERIFY_NULL || io_u->ddir != DDIR_READ) |
36690c9b JA |
485 | return 0; |
486 | ||
3f9f4e26 | 487 | hdr_inc = io_u->buflen; |
a59e170d JA |
488 | if (td->o.verify_interval) |
489 | hdr_inc = td->o.verify_interval; | |
e29d1b70 | 490 | |
a12a3b4d | 491 | ret = 0; |
5ec10eaa JA |
492 | for (p = io_u->buf; p < io_u->buf + io_u->buflen; |
493 | p += hdr_inc, hdr_num++) { | |
bfacf389 JA |
494 | struct vcont vc = { |
495 | .io_u = io_u, | |
496 | .hdr_num = hdr_num, | |
497 | }; | |
936216f8 | 498 | |
f3e6cb95 | 499 | if (ret && td->o.verify_fatal) |
a12a3b4d | 500 | break; |
f3e6cb95 | 501 | |
a944e335 | 502 | hdr_size = __hdr_size(td->o.verify); |
a59e170d | 503 | if (td->o.verify_offset) |
a944e335 | 504 | memswp(p, p + td->o.verify_offset, hdr_size); |
95646108 | 505 | hdr = p; |
e29d1b70 | 506 | |
3f199b01 | 507 | if (hdr->fio_magic != FIO_HDR_MAGIC) { |
c9b44031 JA |
508 | log_err("verify: bad magic header %x, wanted %x at file %s offset %llu, length %u\n", |
509 | hdr->fio_magic, FIO_HDR_MAGIC, | |
510 | io_u->file->file_name, | |
511 | io_u->offset + hdr_num * hdr->len, hdr->len); | |
9fd18969 | 512 | return EILSEQ; |
3f199b01 JA |
513 | } |
514 | ||
e28218f3 | 515 | if (td->o.verify_pattern_bytes) { |
bd6f78b2 JA |
516 | dprint(FD_VERIFY, "pattern verify io_u %p, len %u\n", |
517 | io_u, hdr->len); | |
e28218f3 | 518 | ret = verify_io_u_pattern(td->o.verify_pattern, |
0e92f873 RR |
519 | td->o.verify_pattern_bytes, |
520 | p + hdr_size, | |
521 | hdr_inc - hdr_size, | |
522 | hdr_size % td->o.verify_pattern_bytes); | |
c9b44031 JA |
523 | |
524 | if (ret) { | |
525 | log_err("pattern: verify failed at file %s offset %llu, length %u\n", | |
526 | io_u->file->file_name, | |
527 | io_u->offset + hdr_num * hdr->len, | |
528 | hdr->len); | |
529 | } | |
530 | ||
e92d3d71 RR |
531 | /* |
532 | * Also verify the meta data, if applicable | |
533 | */ | |
534 | if (hdr->verify_type == VERIFY_META) | |
936216f8 | 535 | ret |= verify_io_u_meta(hdr, td, &vc); |
e28218f3 SL |
536 | continue; |
537 | } | |
538 | ||
3f9f4e26 SL |
539 | switch (hdr->verify_type) { |
540 | case VERIFY_MD5: | |
936216f8 | 541 | ret = verify_io_u_md5(hdr, &vc); |
3f9f4e26 SL |
542 | break; |
543 | case VERIFY_CRC64: | |
936216f8 | 544 | ret = verify_io_u_crc64(hdr, &vc); |
3f9f4e26 | 545 | break; |
bac39e0e | 546 | case VERIFY_CRC32C: |
3845591f | 547 | case VERIFY_CRC32C_INTEL: |
936216f8 | 548 | ret = verify_io_u_crc32c(hdr, &vc); |
bac39e0e | 549 | break; |
3f9f4e26 | 550 | case VERIFY_CRC32: |
936216f8 | 551 | ret = verify_io_u_crc32(hdr, &vc); |
3f9f4e26 SL |
552 | break; |
553 | case VERIFY_CRC16: | |
936216f8 | 554 | ret = verify_io_u_crc16(hdr, &vc); |
3f9f4e26 SL |
555 | break; |
556 | case VERIFY_CRC7: | |
936216f8 | 557 | ret = verify_io_u_crc7(hdr, &vc); |
3f9f4e26 | 558 | break; |
cd14cc10 | 559 | case VERIFY_SHA256: |
936216f8 | 560 | ret = verify_io_u_sha256(hdr, &vc); |
cd14cc10 JA |
561 | break; |
562 | case VERIFY_SHA512: | |
936216f8 | 563 | ret = verify_io_u_sha512(hdr, &vc); |
cd14cc10 | 564 | break; |
7437ee87 | 565 | case VERIFY_META: |
936216f8 | 566 | ret = verify_io_u_meta(hdr, td, &vc); |
7437ee87 | 567 | break; |
7c353ceb | 568 | case VERIFY_SHA1: |
936216f8 | 569 | ret = verify_io_u_sha1(hdr, &vc); |
7c353ceb | 570 | break; |
3f9f4e26 SL |
571 | default: |
572 | log_err("Bad verify type %u\n", hdr->verify_type); | |
d16d4e09 | 573 | ret = EINVAL; |
3f9f4e26 | 574 | } |
3f9f4e26 | 575 | } |
a7dfe862 | 576 | |
f3e6cb95 JA |
577 | if (ret && td->o.verify_fatal) |
578 | td->terminate = 1; | |
579 | ||
a12a3b4d | 580 | return ret; |
e29d1b70 JA |
581 | } |
582 | ||
7437ee87 | 583 | static void fill_meta(struct verify_header *hdr, struct thread_data *td, |
5ec10eaa | 584 | struct io_u *io_u, unsigned int header_num) |
7437ee87 SL |
585 | { |
586 | struct vhdr_meta *vh = hdr_priv(hdr); | |
587 | ||
588 | vh->thread = td->thread_number; | |
589 | ||
590 | vh->time_sec = io_u->start_time.tv_sec; | |
591 | vh->time_usec = io_u->start_time.tv_usec; | |
592 | ||
593 | vh->numberio = td->io_issues[DDIR_WRITE]; | |
594 | ||
595 | vh->offset = io_u->offset + header_num * td->o.verify_interval; | |
596 | } | |
597 | ||
cd14cc10 JA |
598 | static void fill_sha512(struct verify_header *hdr, void *p, unsigned int len) |
599 | { | |
546dfd9f | 600 | struct vhdr_sha512 *vh = hdr_priv(hdr); |
cd14cc10 | 601 | struct sha512_ctx sha512_ctx = { |
546dfd9f | 602 | .buf = vh->sha512, |
cd14cc10 JA |
603 | }; |
604 | ||
605 | sha512_init(&sha512_ctx); | |
606 | sha512_update(&sha512_ctx, p, len); | |
607 | } | |
608 | ||
609 | static void fill_sha256(struct verify_header *hdr, void *p, unsigned int len) | |
610 | { | |
546dfd9f | 611 | struct vhdr_sha256 *vh = hdr_priv(hdr); |
cd14cc10 | 612 | struct sha256_ctx sha256_ctx = { |
546dfd9f | 613 | .buf = vh->sha256, |
cd14cc10 JA |
614 | }; |
615 | ||
616 | sha256_init(&sha256_ctx); | |
617 | sha256_update(&sha256_ctx, p, len); | |
618 | } | |
619 | ||
7c353ceb JA |
620 | static void fill_sha1(struct verify_header *hdr, void *p, unsigned int len) |
621 | { | |
622 | struct vhdr_sha1 *vh = hdr_priv(hdr); | |
623 | struct sha1_ctx sha1_ctx = { | |
624 | .H = vh->sha1, | |
625 | }; | |
626 | ||
627 | sha1_init(&sha1_ctx); | |
628 | sha1_update(&sha1_ctx, p, len); | |
629 | } | |
630 | ||
1e154bdb JA |
631 | static void fill_crc7(struct verify_header *hdr, void *p, unsigned int len) |
632 | { | |
546dfd9f JA |
633 | struct vhdr_crc7 *vh = hdr_priv(hdr); |
634 | ||
635 | vh->crc7 = crc7(p, len); | |
1e154bdb JA |
636 | } |
637 | ||
969f7ed3 JA |
638 | static void fill_crc16(struct verify_header *hdr, void *p, unsigned int len) |
639 | { | |
546dfd9f JA |
640 | struct vhdr_crc16 *vh = hdr_priv(hdr); |
641 | ||
642 | vh->crc16 = crc16(p, len); | |
969f7ed3 JA |
643 | } |
644 | ||
e29d1b70 JA |
645 | static void fill_crc32(struct verify_header *hdr, void *p, unsigned int len) |
646 | { | |
546dfd9f JA |
647 | struct vhdr_crc32 *vh = hdr_priv(hdr); |
648 | ||
649 | vh->crc32 = crc32(p, len); | |
e29d1b70 JA |
650 | } |
651 | ||
bac39e0e JA |
652 | static void fill_crc32c(struct verify_header *hdr, void *p, unsigned int len) |
653 | { | |
654 | struct vhdr_crc32 *vh = hdr_priv(hdr); | |
655 | ||
3845591f JA |
656 | if (hdr->verify_type == VERIFY_CRC32C_INTEL) |
657 | vh->crc32 = crc32c_intel(p, len); | |
658 | else | |
659 | vh->crc32 = crc32c(p, len); | |
bac39e0e JA |
660 | } |
661 | ||
d77a7af3 JA |
662 | static void fill_crc64(struct verify_header *hdr, void *p, unsigned int len) |
663 | { | |
546dfd9f JA |
664 | struct vhdr_crc64 *vh = hdr_priv(hdr); |
665 | ||
666 | vh->crc64 = crc64(p, len); | |
d77a7af3 JA |
667 | } |
668 | ||
e29d1b70 JA |
669 | static void fill_md5(struct verify_header *hdr, void *p, unsigned int len) |
670 | { | |
546dfd9f | 671 | struct vhdr_md5 *vh = hdr_priv(hdr); |
8c432325 | 672 | struct md5_ctx md5_ctx = { |
546dfd9f | 673 | .hash = (uint32_t *) vh->md5_digest, |
8c432325 | 674 | }; |
e29d1b70 | 675 | |
61f821f1 | 676 | md5_init(&md5_ctx); |
e29d1b70 | 677 | md5_update(&md5_ctx, p, len); |
e29d1b70 JA |
678 | } |
679 | ||
680 | /* | |
681 | * fill body of io_u->buf with random data and add a header with the | |
682 | * crc32 or md5 sum of that data. | |
683 | */ | |
684 | void populate_verify_io_u(struct thread_data *td, struct io_u *io_u) | |
685 | { | |
baefa9be | 686 | struct verify_header *hdr; |
95646108 | 687 | void *p = io_u->buf, *data; |
7437ee87 | 688 | unsigned int hdr_inc, data_len, header_num = 0; |
e29d1b70 | 689 | |
9cc3d150 JA |
690 | if (td->o.verify == VERIFY_NULL) |
691 | return; | |
692 | ||
cbe8d756 | 693 | fill_pattern(td, p, io_u->buflen, io_u); |
546a9142 SL |
694 | |
695 | hdr_inc = io_u->buflen; | |
a59e170d JA |
696 | if (td->o.verify_interval) |
697 | hdr_inc = td->o.verify_interval; | |
baefa9be | 698 | |
5ec10eaa | 699 | for (; p < io_u->buf + io_u->buflen; p += hdr_inc) { |
95646108 | 700 | hdr = p; |
3f9f4e26 SL |
701 | |
702 | hdr->fio_magic = FIO_HDR_MAGIC; | |
703 | hdr->verify_type = td->o.verify; | |
546a9142 | 704 | hdr->len = hdr_inc; |
87677832 | 705 | data_len = hdr_inc - hdr_size(hdr); |
3f9f4e26 | 706 | |
87677832 | 707 | data = p + hdr_size(hdr); |
3f9f4e26 SL |
708 | switch (td->o.verify) { |
709 | case VERIFY_MD5: | |
bd6f78b2 JA |
710 | dprint(FD_VERIFY, "fill md5 io_u %p, len %u\n", |
711 | io_u, hdr->len); | |
3f9f4e26 SL |
712 | fill_md5(hdr, data, data_len); |
713 | break; | |
714 | case VERIFY_CRC64: | |
bd6f78b2 JA |
715 | dprint(FD_VERIFY, "fill crc64 io_u %p, len %u\n", |
716 | io_u, hdr->len); | |
3f9f4e26 SL |
717 | fill_crc64(hdr, data, data_len); |
718 | break; | |
bac39e0e | 719 | case VERIFY_CRC32C: |
3845591f | 720 | case VERIFY_CRC32C_INTEL: |
bac39e0e JA |
721 | dprint(FD_VERIFY, "fill crc32c io_u %p, len %u\n", |
722 | io_u, hdr->len); | |
723 | fill_crc32c(hdr, data, data_len); | |
724 | break; | |
3f9f4e26 | 725 | case VERIFY_CRC32: |
bd6f78b2 JA |
726 | dprint(FD_VERIFY, "fill crc32 io_u %p, len %u\n", |
727 | io_u, hdr->len); | |
3f9f4e26 SL |
728 | fill_crc32(hdr, data, data_len); |
729 | break; | |
730 | case VERIFY_CRC16: | |
bd6f78b2 JA |
731 | dprint(FD_VERIFY, "fill crc16 io_u %p, len %u\n", |
732 | io_u, hdr->len); | |
3f9f4e26 SL |
733 | fill_crc16(hdr, data, data_len); |
734 | break; | |
735 | case VERIFY_CRC7: | |
bd6f78b2 JA |
736 | dprint(FD_VERIFY, "fill crc7 io_u %p, len %u\n", |
737 | io_u, hdr->len); | |
3f9f4e26 SL |
738 | fill_crc7(hdr, data, data_len); |
739 | break; | |
cd14cc10 | 740 | case VERIFY_SHA256: |
bd6f78b2 JA |
741 | dprint(FD_VERIFY, "fill sha256 io_u %p, len %u\n", |
742 | io_u, hdr->len); | |
cd14cc10 JA |
743 | fill_sha256(hdr, data, data_len); |
744 | break; | |
745 | case VERIFY_SHA512: | |
bd6f78b2 JA |
746 | dprint(FD_VERIFY, "fill sha512 io_u %p, len %u\n", |
747 | io_u, hdr->len); | |
cd14cc10 JA |
748 | fill_sha512(hdr, data, data_len); |
749 | break; | |
7437ee87 | 750 | case VERIFY_META: |
bd6f78b2 JA |
751 | dprint(FD_VERIFY, "fill meta io_u %p, len %u\n", |
752 | io_u, hdr->len); | |
7437ee87 SL |
753 | fill_meta(hdr, td, io_u, header_num); |
754 | break; | |
7c353ceb JA |
755 | case VERIFY_SHA1: |
756 | dprint(FD_VERIFY, "fill sha1 io_u %p, len %u\n", | |
757 | io_u, hdr->len); | |
758 | fill_sha1(hdr, data, data_len); | |
759 | break; | |
3f9f4e26 SL |
760 | default: |
761 | log_err("fio: bad verify type: %d\n", td->o.verify); | |
762 | assert(0); | |
763 | } | |
a59e170d | 764 | if (td->o.verify_offset) |
87677832 | 765 | memswp(p, p + td->o.verify_offset, hdr_size(hdr)); |
7437ee87 | 766 | header_num++; |
e29d1b70 | 767 | } |
e29d1b70 JA |
768 | } |
769 | ||
770 | int get_next_verify(struct thread_data *td, struct io_u *io_u) | |
771 | { | |
8de8f047 | 772 | struct io_piece *ipo = NULL; |
e29d1b70 | 773 | |
d2d7fa53 JA |
774 | /* |
775 | * this io_u is from a requeue, we already filled the offsets | |
776 | */ | |
777 | if (io_u->file) | |
778 | return 0; | |
779 | ||
8de8f047 JA |
780 | if (!RB_EMPTY_ROOT(&td->io_hist_tree)) { |
781 | struct rb_node *n = rb_first(&td->io_hist_tree); | |
e29d1b70 | 782 | |
8de8f047 | 783 | ipo = rb_entry(n, struct io_piece, rb_node); |
4b87898e | 784 | rb_erase(n, &td->io_hist_tree); |
9e144189 | 785 | td->io_hist_len--; |
01743ee1 JA |
786 | } else if (!flist_empty(&td->io_hist_list)) { |
787 | ipo = flist_entry(td->io_hist_list.next, struct io_piece, list); | |
9e144189 | 788 | td->io_hist_len--; |
01743ee1 | 789 | flist_del(&ipo->list); |
8de8f047 | 790 | } |
e29d1b70 | 791 | |
8de8f047 | 792 | if (ipo) { |
e29d1b70 JA |
793 | io_u->offset = ipo->offset; |
794 | io_u->buflen = ipo->len; | |
36167d82 | 795 | io_u->file = ipo->file; |
97af62ce | 796 | |
d6aed795 | 797 | if (!fio_file_open(io_u->file)) { |
97af62ce JA |
798 | int r = td_io_open_file(td, io_u->file); |
799 | ||
bd6f78b2 JA |
800 | if (r) { |
801 | dprint(FD_VERIFY, "failed file %s open\n", | |
802 | io_u->file->file_name); | |
97af62ce | 803 | return 1; |
bd6f78b2 | 804 | } |
97af62ce JA |
805 | } |
806 | ||
807 | get_file(ipo->file); | |
d6aed795 | 808 | assert(fio_file_open(io_u->file)); |
e29d1b70 | 809 | io_u->ddir = DDIR_READ; |
36167d82 JA |
810 | io_u->xfer_buf = io_u->buf; |
811 | io_u->xfer_buflen = io_u->buflen; | |
e29d1b70 | 812 | free(ipo); |
bd6f78b2 | 813 | dprint(FD_VERIFY, "get_next_verify: ret io_u %p\n", io_u); |
e29d1b70 JA |
814 | return 0; |
815 | } | |
816 | ||
bd6f78b2 | 817 | dprint(FD_VERIFY, "get_next_verify: empty\n"); |
e29d1b70 JA |
818 | return 1; |
819 | } | |
e8462bd8 JA |
820 | |
821 | static void *verify_async_thread(void *data) | |
822 | { | |
823 | struct thread_data *td = data; | |
824 | struct io_u *io_u; | |
825 | int ret = 0; | |
826 | ||
827 | if (td->o.verify_cpumask_set && | |
828 | fio_setaffinity(td->pid, td->o.verify_cpumask)) { | |
829 | log_err("fio: failed setting verify thread affinity\n"); | |
830 | goto done; | |
831 | } | |
832 | ||
833 | do { | |
e53ab27c JA |
834 | FLIST_HEAD(list); |
835 | ||
e8462bd8 JA |
836 | read_barrier(); |
837 | if (td->verify_thread_exit) | |
838 | break; | |
839 | ||
840 | pthread_mutex_lock(&td->io_u_lock); | |
841 | ||
842 | while (flist_empty(&td->verify_list) && | |
843 | !td->verify_thread_exit) { | |
b36e298b JA |
844 | ret = pthread_cond_wait(&td->verify_cond, |
845 | &td->io_u_lock); | |
e8462bd8 JA |
846 | if (ret) { |
847 | pthread_mutex_unlock(&td->io_u_lock); | |
848 | break; | |
849 | } | |
850 | } | |
851 | ||
e53ab27c JA |
852 | flist_splice_init(&td->verify_list, &list); |
853 | pthread_mutex_unlock(&td->io_u_lock); | |
854 | ||
855 | if (flist_empty(&list)) | |
e8462bd8 | 856 | continue; |
e8462bd8 | 857 | |
e53ab27c JA |
858 | while (!flist_empty(&list)) { |
859 | io_u = flist_entry(list.next, struct io_u, list); | |
860 | flist_del_init(&io_u->list); | |
e8462bd8 | 861 | |
d561f2ab | 862 | ret = verify_io_u(td, io_u); |
e53ab27c | 863 | put_io_u(td, io_u); |
d561f2ab JA |
864 | if (!ret) |
865 | continue; | |
866 | if (td->o.continue_on_error && | |
867 | td_non_fatal_error(ret)) { | |
868 | update_error_count(td, ret); | |
869 | td_clear_error(td); | |
870 | ret = 0; | |
871 | } | |
e53ab27c | 872 | } |
e8462bd8 JA |
873 | } while (!ret); |
874 | ||
d561f2ab JA |
875 | if (ret) { |
876 | td_verror(td, ret, "async_verify"); | |
f3e6cb95 JA |
877 | if (td->o.verify_fatal) |
878 | td->terminate = 1; | |
d561f2ab JA |
879 | } |
880 | ||
e8462bd8 JA |
881 | done: |
882 | pthread_mutex_lock(&td->io_u_lock); | |
883 | td->nr_verify_threads--; | |
884 | pthread_mutex_unlock(&td->io_u_lock); | |
885 | ||
886 | pthread_cond_signal(&td->free_cond); | |
887 | return NULL; | |
888 | } | |
889 | ||
890 | int verify_async_init(struct thread_data *td) | |
891 | { | |
892 | int i, ret; | |
893 | ||
894 | td->verify_thread_exit = 0; | |
895 | ||
896 | td->verify_threads = malloc(sizeof(pthread_t) * td->o.verify_async); | |
897 | for (i = 0; i < td->o.verify_async; i++) { | |
898 | ret = pthread_create(&td->verify_threads[i], NULL, | |
899 | verify_async_thread, td); | |
900 | if (ret) { | |
901 | log_err("fio: async verify creation failed: %s\n", | |
902 | strerror(ret)); | |
903 | break; | |
904 | } | |
905 | ret = pthread_detach(td->verify_threads[i]); | |
906 | if (ret) { | |
907 | log_err("fio: async verify thread detach failed: %s\n", | |
908 | strerror(ret)); | |
909 | break; | |
910 | } | |
911 | td->nr_verify_threads++; | |
912 | } | |
913 | ||
914 | if (i != td->o.verify_async) { | |
e40823b1 | 915 | log_err("fio: only %d verify threads started, exiting\n", i); |
e8462bd8 JA |
916 | td->verify_thread_exit = 1; |
917 | write_barrier(); | |
918 | pthread_cond_broadcast(&td->verify_cond); | |
919 | return 1; | |
920 | } | |
921 | ||
922 | return 0; | |
923 | } | |
924 | ||
925 | void verify_async_exit(struct thread_data *td) | |
926 | { | |
927 | td->verify_thread_exit = 1; | |
928 | write_barrier(); | |
929 | pthread_cond_broadcast(&td->verify_cond); | |
930 | ||
931 | pthread_mutex_lock(&td->io_u_lock); | |
932 | ||
933 | while (td->nr_verify_threads) | |
934 | pthread_cond_wait(&td->free_cond, &td->io_u_lock); | |
935 | ||
936 | pthread_mutex_unlock(&td->io_u_lock); | |
937 | free(td->verify_threads); | |
938 | td->verify_threads = NULL; | |
939 | } |