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++) | |
6d86144d JA |
94 | log_info("%02x", p[i]); |
95 | log_info("\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 | */ | |
173 | unsigned char *good_crc; | |
174 | unsigned char *bad_crc; | |
175 | unsigned int crc_len; | |
176 | }; | |
177 | ||
d9f2caf3 JA |
178 | /* |
179 | * Return data area 'header_num' | |
180 | */ | |
936216f8 | 181 | static inline void *io_u_verify_off(struct verify_header *hdr, struct vcont *vc) |
d9f2caf3 | 182 | { |
936216f8 | 183 | return vc->io_u->buf + vc->hdr_num * hdr->len + hdr_size(hdr); |
d9f2caf3 JA |
184 | } |
185 | ||
7437ee87 | 186 | static int verify_io_u_meta(struct verify_header *hdr, struct thread_data *td, |
936216f8 | 187 | struct vcont *vc) |
7437ee87 SL |
188 | { |
189 | struct vhdr_meta *vh = hdr_priv(hdr); | |
936216f8 | 190 | struct io_u *io_u = vc->io_u; |
7437ee87 | 191 | |
bd6f78b2 JA |
192 | dprint(FD_VERIFY, "meta verify io_u %p, len %u\n", io_u, hdr->len); |
193 | ||
936216f8 | 194 | if (vh->offset != io_u->offset + vc->hdr_num * td->o.verify_interval) { |
7437ee87 | 195 | log_err("meta: verify failed at %llu/%u\n", |
936216f8 | 196 | io_u->offset + vc->hdr_num * hdr->len, hdr->len); |
9fd18969 | 197 | return EILSEQ; |
7437ee87 SL |
198 | } |
199 | ||
200 | return 0; | |
201 | } | |
202 | ||
936216f8 | 203 | static int verify_io_u_sha512(struct verify_header *hdr, struct vcont *vc) |
cd14cc10 | 204 | { |
936216f8 | 205 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 206 | struct vhdr_sha512 *vh = hdr_priv(hdr); |
cd14cc10 JA |
207 | uint8_t sha512[128]; |
208 | struct sha512_ctx sha512_ctx = { | |
209 | .buf = sha512, | |
210 | }; | |
211 | ||
936216f8 | 212 | dprint(FD_VERIFY, "sha512 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 213 | |
cd14cc10 | 214 | sha512_init(&sha512_ctx); |
87677832 | 215 | sha512_update(&sha512_ctx, p, hdr->len - hdr_size(hdr)); |
cd14cc10 | 216 | |
546dfd9f | 217 | if (memcmp(vh->sha512, sha512_ctx.buf, sizeof(sha512))) { |
cd14cc10 | 218 | log_err("sha512: verify failed at %llu/%u\n", |
936216f8 | 219 | vc->io_u->offset + vc->hdr_num * hdr->len, hdr->len); |
546dfd9f | 220 | hexdump(vh->sha512, sizeof(vh->sha512)); |
cd14cc10 | 221 | hexdump(sha512_ctx.buf, sizeof(sha512)); |
9fd18969 | 222 | return EILSEQ; |
cd14cc10 JA |
223 | } |
224 | ||
225 | return 0; | |
226 | } | |
227 | ||
936216f8 | 228 | static int verify_io_u_sha256(struct verify_header *hdr, struct vcont *vc) |
cd14cc10 | 229 | { |
936216f8 | 230 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 231 | struct vhdr_sha256 *vh = hdr_priv(hdr); |
bc77f56f | 232 | uint8_t sha256[64]; |
cd14cc10 JA |
233 | struct sha256_ctx sha256_ctx = { |
234 | .buf = sha256, | |
235 | }; | |
236 | ||
936216f8 | 237 | dprint(FD_VERIFY, "sha256 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 238 | |
cd14cc10 | 239 | sha256_init(&sha256_ctx); |
87677832 | 240 | sha256_update(&sha256_ctx, p, hdr->len - hdr_size(hdr)); |
cd14cc10 | 241 | |
546dfd9f | 242 | if (memcmp(vh->sha256, sha256_ctx.buf, sizeof(sha256))) { |
cd14cc10 | 243 | log_err("sha256: verify failed at %llu/%u\n", |
936216f8 | 244 | vc->io_u->offset + vc->hdr_num * hdr->len, hdr->len); |
546dfd9f | 245 | hexdump(vh->sha256, sizeof(vh->sha256)); |
cd14cc10 | 246 | hexdump(sha256_ctx.buf, sizeof(sha256)); |
9fd18969 | 247 | return EILSEQ; |
cd14cc10 JA |
248 | } |
249 | ||
250 | return 0; | |
251 | } | |
252 | ||
936216f8 | 253 | static int verify_io_u_sha1(struct verify_header *hdr, struct vcont *vc) |
7c353ceb | 254 | { |
936216f8 | 255 | void *p = io_u_verify_off(hdr, vc); |
7c353ceb JA |
256 | struct vhdr_sha1 *vh = hdr_priv(hdr); |
257 | uint32_t sha1[5]; | |
258 | struct sha1_ctx sha1_ctx = { | |
259 | .H = sha1, | |
260 | }; | |
261 | ||
936216f8 | 262 | dprint(FD_VERIFY, "sha1 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
7c353ceb JA |
263 | |
264 | sha1_init(&sha1_ctx); | |
265 | sha1_update(&sha1_ctx, p, hdr->len - hdr_size(hdr)); | |
266 | ||
267 | if (memcmp(vh->sha1, sha1_ctx.H, sizeof(sha1))) { | |
268 | log_err("sha1: verify failed at %llu/%u\n", | |
936216f8 | 269 | vc->io_u->offset + vc->hdr_num * hdr->len, hdr->len); |
7c353ceb JA |
270 | hexdump(vh->sha1, sizeof(vh->sha1)); |
271 | hexdump(sha1_ctx.H, sizeof(sha1)); | |
272 | return EILSEQ; | |
273 | } | |
274 | ||
275 | return 0; | |
276 | } | |
277 | ||
936216f8 | 278 | static int verify_io_u_crc7(struct verify_header *hdr, struct vcont *vc) |
1e154bdb | 279 | { |
936216f8 | 280 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 281 | struct vhdr_crc7 *vh = hdr_priv(hdr); |
1e154bdb JA |
282 | unsigned char c; |
283 | ||
936216f8 | 284 | dprint(FD_VERIFY, "crc7 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 285 | |
87677832 | 286 | c = crc7(p, hdr->len - hdr_size(hdr)); |
1e154bdb | 287 | |
546dfd9f | 288 | if (c != vh->crc7) { |
3f9f4e26 | 289 | log_err("crc7: verify failed at %llu/%u\n", |
936216f8 | 290 | vc->io_u->offset + vc->hdr_num * hdr->len, hdr->len); |
546dfd9f | 291 | log_err("crc7: wanted %x, got %x\n", vh->crc7, c); |
9fd18969 | 292 | return EILSEQ; |
1e154bdb JA |
293 | } |
294 | ||
295 | return 0; | |
296 | } | |
297 | ||
936216f8 | 298 | static int verify_io_u_crc16(struct verify_header *hdr, struct vcont *vc) |
969f7ed3 | 299 | { |
936216f8 | 300 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 301 | struct vhdr_crc16 *vh = hdr_priv(hdr); |
969f7ed3 JA |
302 | unsigned short c; |
303 | ||
936216f8 | 304 | dprint(FD_VERIFY, "crc16 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 305 | |
87677832 | 306 | c = crc16(p, hdr->len - hdr_size(hdr)); |
969f7ed3 | 307 | |
546dfd9f | 308 | if (c != vh->crc16) { |
3f9f4e26 | 309 | log_err("crc16: verify failed at %llu/%u\n", |
936216f8 | 310 | vc->io_u->offset + vc->hdr_num * hdr->len, hdr->len); |
546dfd9f | 311 | log_err("crc16: wanted %x, got %x\n", vh->crc16, c); |
9fd18969 | 312 | return EILSEQ; |
969f7ed3 JA |
313 | } |
314 | ||
315 | return 0; | |
316 | } | |
317 | ||
936216f8 | 318 | static int verify_io_u_crc64(struct verify_header *hdr, struct vcont *vc) |
d77a7af3 | 319 | { |
936216f8 | 320 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 321 | struct vhdr_crc64 *vh = hdr_priv(hdr); |
d77a7af3 JA |
322 | unsigned long long c; |
323 | ||
936216f8 | 324 | dprint(FD_VERIFY, "crc64 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 325 | |
87677832 | 326 | c = crc64(p, hdr->len - hdr_size(hdr)); |
d77a7af3 | 327 | |
546dfd9f | 328 | if (c != vh->crc64) { |
3f9f4e26 | 329 | log_err("crc64: verify failed at %llu/%u\n", |
936216f8 | 330 | vc->io_u->offset + vc->hdr_num * hdr->len, |
3f9f4e26 | 331 | hdr->len); |
5ec10eaa JA |
332 | log_err("crc64: wanted %llx, got %llx\n", |
333 | (unsigned long long) vh->crc64, c); | |
9fd18969 | 334 | return EILSEQ; |
d77a7af3 JA |
335 | } |
336 | ||
337 | return 0; | |
338 | } | |
339 | ||
936216f8 | 340 | static int verify_io_u_crc32(struct verify_header *hdr, struct vcont *vc) |
e29d1b70 | 341 | { |
936216f8 | 342 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f JA |
343 | struct vhdr_crc32 *vh = hdr_priv(hdr); |
344 | uint32_t c; | |
e29d1b70 | 345 | |
936216f8 | 346 | dprint(FD_VERIFY, "crc32 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 347 | |
87677832 | 348 | c = crc32(p, hdr->len - hdr_size(hdr)); |
e29d1b70 | 349 | |
546dfd9f | 350 | if (c != vh->crc32) { |
3f9f4e26 | 351 | log_err("crc32: verify failed at %llu/%u\n", |
936216f8 | 352 | vc->io_u->offset + vc->hdr_num * hdr->len, hdr->len); |
546dfd9f | 353 | log_err("crc32: wanted %x, got %x\n", vh->crc32, c); |
9fd18969 | 354 | return EILSEQ; |
e29d1b70 JA |
355 | } |
356 | ||
357 | return 0; | |
358 | } | |
359 | ||
936216f8 | 360 | static int verify_io_u_crc32c(struct verify_header *hdr, struct vcont *vc) |
bac39e0e | 361 | { |
936216f8 | 362 | void *p = io_u_verify_off(hdr, vc); |
bac39e0e JA |
363 | struct vhdr_crc32 *vh = hdr_priv(hdr); |
364 | uint32_t c; | |
365 | ||
936216f8 | 366 | dprint(FD_VERIFY, "crc32c verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bac39e0e | 367 | |
3845591f JA |
368 | if (hdr->verify_type == VERIFY_CRC32C_INTEL) |
369 | c = crc32c_intel(p, hdr->len - hdr_size(hdr)); | |
370 | else | |
371 | c = crc32c(p, hdr->len - hdr_size(hdr)); | |
bac39e0e JA |
372 | |
373 | if (c != vh->crc32) { | |
374 | log_err("crc32c: verify failed at %llu/%u\n", | |
936216f8 | 375 | vc->io_u->offset + vc->hdr_num * hdr->len, hdr->len); |
bac39e0e | 376 | log_err("crc32c: wanted %x, got %x\n", vh->crc32, c); |
9fd18969 | 377 | return EILSEQ; |
bac39e0e JA |
378 | } |
379 | ||
380 | return 0; | |
381 | } | |
382 | ||
936216f8 | 383 | static int verify_io_u_md5(struct verify_header *hdr, struct vcont *vc) |
e29d1b70 | 384 | { |
936216f8 | 385 | void *p = io_u_verify_off(hdr, vc); |
546dfd9f | 386 | struct vhdr_md5 *vh = hdr_priv(hdr); |
8c432325 JA |
387 | uint32_t hash[MD5_HASH_WORDS]; |
388 | struct md5_ctx md5_ctx = { | |
389 | .hash = hash, | |
390 | }; | |
e29d1b70 | 391 | |
936216f8 | 392 | dprint(FD_VERIFY, "md5 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
bd6f78b2 | 393 | |
61f821f1 | 394 | md5_init(&md5_ctx); |
87677832 | 395 | md5_update(&md5_ctx, p, hdr->len - hdr_size(hdr)); |
e29d1b70 | 396 | |
546dfd9f | 397 | if (memcmp(vh->md5_digest, md5_ctx.hash, sizeof(hash))) { |
3f9f4e26 | 398 | log_err("md5: verify failed at %llu/%u\n", |
936216f8 | 399 | vc->io_u->offset + vc->hdr_num * hdr->len, hdr->len); |
546dfd9f | 400 | hexdump(vh->md5_digest, sizeof(vh->md5_digest)); |
8c432325 | 401 | hexdump(md5_ctx.hash, sizeof(hash)); |
9fd18969 | 402 | return EILSEQ; |
e29d1b70 JA |
403 | } |
404 | ||
405 | return 0; | |
406 | } | |
407 | ||
3f199b01 JA |
408 | static unsigned int hweight8(unsigned int w) |
409 | { | |
410 | unsigned int res = w - ((w >> 1) & 0x55); | |
411 | ||
412 | res = (res & 0x33) + ((res >> 2) & 0x33); | |
413 | return (res + (res >> 4)) & 0x0F; | |
414 | } | |
415 | ||
0e92f873 | 416 | int verify_io_u_pattern(char *pattern, unsigned long pattern_size, |
5ec10eaa | 417 | char *buf, unsigned int len, unsigned int mod) |
a944e335 SL |
418 | { |
419 | unsigned int i; | |
a944e335 SL |
420 | |
421 | for (i = 0; i < len; i++) { | |
0e92f873 | 422 | if (buf[i] != pattern[mod]) { |
3f199b01 JA |
423 | unsigned int bits; |
424 | ||
0e92f873 | 425 | bits = hweight8(buf[i] ^ pattern[mod]); |
3f199b01 | 426 | log_err("fio: got pattern %x, wanted %x. Bad bits %d\n", |
0e92f873 | 427 | buf[i], pattern[mod], bits); |
3f199b01 | 428 | log_err("fio: bad pattern block offset %u\n", i); |
9fd18969 | 429 | return EILSEQ; |
3f199b01 | 430 | } |
a944e335 SL |
431 | mod++; |
432 | if (mod == pattern_size) | |
433 | mod = 0; | |
434 | } | |
435 | ||
436 | return 0; | |
437 | } | |
438 | ||
e8462bd8 JA |
439 | /* |
440 | * Push IO verification to a separate thread | |
441 | */ | |
442 | int verify_io_u_async(struct thread_data *td, struct io_u *io_u) | |
443 | { | |
444 | if (io_u->file) | |
445 | put_file_log(td, io_u->file); | |
446 | ||
447 | io_u->file = NULL; | |
448 | ||
449 | pthread_mutex_lock(&td->io_u_lock); | |
0c41214f RR |
450 | |
451 | if (io_u->flags & IO_U_F_IN_CUR_DEPTH) { | |
452 | td->cur_depth--; | |
453 | io_u->flags &= ~IO_U_F_IN_CUR_DEPTH; | |
454 | } | |
e8462bd8 JA |
455 | flist_del(&io_u->list); |
456 | flist_add_tail(&io_u->list, &td->verify_list); | |
2ecc1b57 | 457 | io_u->flags |= IO_U_F_FREE_DEF; |
e8462bd8 JA |
458 | pthread_mutex_unlock(&td->io_u_lock); |
459 | ||
460 | pthread_cond_signal(&td->verify_cond); | |
e8462bd8 JA |
461 | return 0; |
462 | } | |
463 | ||
36690c9b | 464 | int verify_io_u(struct thread_data *td, struct io_u *io_u) |
e29d1b70 | 465 | { |
3f9f4e26 | 466 | struct verify_header *hdr; |
a944e335 | 467 | unsigned int hdr_size, hdr_inc, hdr_num = 0; |
95646108 | 468 | void *p; |
e29d1b70 JA |
469 | int ret; |
470 | ||
1dcc0498 | 471 | if (td->o.verify == VERIFY_NULL || io_u->ddir != DDIR_READ) |
36690c9b JA |
472 | return 0; |
473 | ||
3f9f4e26 | 474 | hdr_inc = io_u->buflen; |
a59e170d JA |
475 | if (td->o.verify_interval) |
476 | hdr_inc = td->o.verify_interval; | |
e29d1b70 | 477 | |
a12a3b4d | 478 | ret = 0; |
5ec10eaa JA |
479 | for (p = io_u->buf; p < io_u->buf + io_u->buflen; |
480 | p += hdr_inc, hdr_num++) { | |
936216f8 JA |
481 | struct vcont vc; |
482 | ||
a12a3b4d JA |
483 | if (ret && td->o.verify_fatal) { |
484 | td->terminate = 1; | |
485 | break; | |
486 | } | |
a944e335 | 487 | hdr_size = __hdr_size(td->o.verify); |
a59e170d | 488 | if (td->o.verify_offset) |
a944e335 | 489 | memswp(p, p + td->o.verify_offset, hdr_size); |
95646108 | 490 | hdr = p; |
e29d1b70 | 491 | |
936216f8 JA |
492 | vc.io_u = io_u; |
493 | vc.hdr_num = hdr_num; | |
494 | ||
3f199b01 | 495 | if (hdr->fio_magic != FIO_HDR_MAGIC) { |
b7a3e661 RR |
496 | log_err("Bad verify header %x at %llu\n", |
497 | hdr->fio_magic, | |
498 | io_u->offset + hdr_num * hdr->len); | |
9fd18969 | 499 | return EILSEQ; |
3f199b01 JA |
500 | } |
501 | ||
e28218f3 | 502 | if (td->o.verify_pattern_bytes) { |
bd6f78b2 JA |
503 | dprint(FD_VERIFY, "pattern verify io_u %p, len %u\n", |
504 | io_u, hdr->len); | |
e28218f3 | 505 | ret = verify_io_u_pattern(td->o.verify_pattern, |
0e92f873 RR |
506 | td->o.verify_pattern_bytes, |
507 | p + hdr_size, | |
508 | hdr_inc - hdr_size, | |
509 | hdr_size % td->o.verify_pattern_bytes); | |
e92d3d71 RR |
510 | /* |
511 | * Also verify the meta data, if applicable | |
512 | */ | |
513 | if (hdr->verify_type == VERIFY_META) | |
936216f8 | 514 | ret |= verify_io_u_meta(hdr, td, &vc); |
e92d3d71 | 515 | |
e28218f3 SL |
516 | if (ret) |
517 | log_err("fio: verify failed at %llu/%u\n", | |
518 | io_u->offset + hdr_num * hdr->len, | |
519 | hdr->len); | |
520 | continue; | |
521 | } | |
522 | ||
3f9f4e26 SL |
523 | switch (hdr->verify_type) { |
524 | case VERIFY_MD5: | |
936216f8 | 525 | ret = verify_io_u_md5(hdr, &vc); |
3f9f4e26 SL |
526 | break; |
527 | case VERIFY_CRC64: | |
936216f8 | 528 | ret = verify_io_u_crc64(hdr, &vc); |
3f9f4e26 | 529 | break; |
bac39e0e | 530 | case VERIFY_CRC32C: |
3845591f | 531 | case VERIFY_CRC32C_INTEL: |
936216f8 | 532 | ret = verify_io_u_crc32c(hdr, &vc); |
bac39e0e | 533 | break; |
3f9f4e26 | 534 | case VERIFY_CRC32: |
936216f8 | 535 | ret = verify_io_u_crc32(hdr, &vc); |
3f9f4e26 SL |
536 | break; |
537 | case VERIFY_CRC16: | |
936216f8 | 538 | ret = verify_io_u_crc16(hdr, &vc); |
3f9f4e26 SL |
539 | break; |
540 | case VERIFY_CRC7: | |
936216f8 | 541 | ret = verify_io_u_crc7(hdr, &vc); |
3f9f4e26 | 542 | break; |
cd14cc10 | 543 | case VERIFY_SHA256: |
936216f8 | 544 | ret = verify_io_u_sha256(hdr, &vc); |
cd14cc10 JA |
545 | break; |
546 | case VERIFY_SHA512: | |
936216f8 | 547 | ret = verify_io_u_sha512(hdr, &vc); |
cd14cc10 | 548 | break; |
7437ee87 | 549 | case VERIFY_META: |
936216f8 | 550 | ret = verify_io_u_meta(hdr, td, &vc); |
7437ee87 | 551 | break; |
7c353ceb | 552 | case VERIFY_SHA1: |
936216f8 | 553 | ret = verify_io_u_sha1(hdr, &vc); |
7c353ceb | 554 | break; |
3f9f4e26 SL |
555 | default: |
556 | log_err("Bad verify type %u\n", hdr->verify_type); | |
d16d4e09 | 557 | ret = EINVAL; |
3f9f4e26 | 558 | } |
3f9f4e26 | 559 | } |
a7dfe862 | 560 | |
a12a3b4d | 561 | return ret; |
e29d1b70 JA |
562 | } |
563 | ||
7437ee87 | 564 | static void fill_meta(struct verify_header *hdr, struct thread_data *td, |
5ec10eaa | 565 | struct io_u *io_u, unsigned int header_num) |
7437ee87 SL |
566 | { |
567 | struct vhdr_meta *vh = hdr_priv(hdr); | |
568 | ||
569 | vh->thread = td->thread_number; | |
570 | ||
571 | vh->time_sec = io_u->start_time.tv_sec; | |
572 | vh->time_usec = io_u->start_time.tv_usec; | |
573 | ||
574 | vh->numberio = td->io_issues[DDIR_WRITE]; | |
575 | ||
576 | vh->offset = io_u->offset + header_num * td->o.verify_interval; | |
577 | } | |
578 | ||
cd14cc10 JA |
579 | static void fill_sha512(struct verify_header *hdr, void *p, unsigned int len) |
580 | { | |
546dfd9f | 581 | struct vhdr_sha512 *vh = hdr_priv(hdr); |
cd14cc10 | 582 | struct sha512_ctx sha512_ctx = { |
546dfd9f | 583 | .buf = vh->sha512, |
cd14cc10 JA |
584 | }; |
585 | ||
586 | sha512_init(&sha512_ctx); | |
587 | sha512_update(&sha512_ctx, p, len); | |
588 | } | |
589 | ||
590 | static void fill_sha256(struct verify_header *hdr, void *p, unsigned int len) | |
591 | { | |
546dfd9f | 592 | struct vhdr_sha256 *vh = hdr_priv(hdr); |
cd14cc10 | 593 | struct sha256_ctx sha256_ctx = { |
546dfd9f | 594 | .buf = vh->sha256, |
cd14cc10 JA |
595 | }; |
596 | ||
597 | sha256_init(&sha256_ctx); | |
598 | sha256_update(&sha256_ctx, p, len); | |
599 | } | |
600 | ||
7c353ceb JA |
601 | static void fill_sha1(struct verify_header *hdr, void *p, unsigned int len) |
602 | { | |
603 | struct vhdr_sha1 *vh = hdr_priv(hdr); | |
604 | struct sha1_ctx sha1_ctx = { | |
605 | .H = vh->sha1, | |
606 | }; | |
607 | ||
608 | sha1_init(&sha1_ctx); | |
609 | sha1_update(&sha1_ctx, p, len); | |
610 | } | |
611 | ||
1e154bdb JA |
612 | static void fill_crc7(struct verify_header *hdr, void *p, unsigned int len) |
613 | { | |
546dfd9f JA |
614 | struct vhdr_crc7 *vh = hdr_priv(hdr); |
615 | ||
616 | vh->crc7 = crc7(p, len); | |
1e154bdb JA |
617 | } |
618 | ||
969f7ed3 JA |
619 | static void fill_crc16(struct verify_header *hdr, void *p, unsigned int len) |
620 | { | |
546dfd9f JA |
621 | struct vhdr_crc16 *vh = hdr_priv(hdr); |
622 | ||
623 | vh->crc16 = crc16(p, len); | |
969f7ed3 JA |
624 | } |
625 | ||
e29d1b70 JA |
626 | static void fill_crc32(struct verify_header *hdr, void *p, unsigned int len) |
627 | { | |
546dfd9f JA |
628 | struct vhdr_crc32 *vh = hdr_priv(hdr); |
629 | ||
630 | vh->crc32 = crc32(p, len); | |
e29d1b70 JA |
631 | } |
632 | ||
bac39e0e JA |
633 | static void fill_crc32c(struct verify_header *hdr, void *p, unsigned int len) |
634 | { | |
635 | struct vhdr_crc32 *vh = hdr_priv(hdr); | |
636 | ||
3845591f JA |
637 | if (hdr->verify_type == VERIFY_CRC32C_INTEL) |
638 | vh->crc32 = crc32c_intel(p, len); | |
639 | else | |
640 | vh->crc32 = crc32c(p, len); | |
bac39e0e JA |
641 | } |
642 | ||
d77a7af3 JA |
643 | static void fill_crc64(struct verify_header *hdr, void *p, unsigned int len) |
644 | { | |
546dfd9f JA |
645 | struct vhdr_crc64 *vh = hdr_priv(hdr); |
646 | ||
647 | vh->crc64 = crc64(p, len); | |
d77a7af3 JA |
648 | } |
649 | ||
e29d1b70 JA |
650 | static void fill_md5(struct verify_header *hdr, void *p, unsigned int len) |
651 | { | |
546dfd9f | 652 | struct vhdr_md5 *vh = hdr_priv(hdr); |
8c432325 | 653 | struct md5_ctx md5_ctx = { |
546dfd9f | 654 | .hash = (uint32_t *) vh->md5_digest, |
8c432325 | 655 | }; |
e29d1b70 | 656 | |
61f821f1 | 657 | md5_init(&md5_ctx); |
e29d1b70 | 658 | md5_update(&md5_ctx, p, len); |
e29d1b70 JA |
659 | } |
660 | ||
661 | /* | |
662 | * fill body of io_u->buf with random data and add a header with the | |
663 | * crc32 or md5 sum of that data. | |
664 | */ | |
665 | void populate_verify_io_u(struct thread_data *td, struct io_u *io_u) | |
666 | { | |
baefa9be | 667 | struct verify_header *hdr; |
95646108 | 668 | void *p = io_u->buf, *data; |
7437ee87 | 669 | unsigned int hdr_inc, data_len, header_num = 0; |
e29d1b70 | 670 | |
9cc3d150 JA |
671 | if (td->o.verify == VERIFY_NULL) |
672 | return; | |
673 | ||
90059d65 | 674 | fill_pattern(td, p, io_u->buflen); |
546a9142 SL |
675 | |
676 | hdr_inc = io_u->buflen; | |
a59e170d JA |
677 | if (td->o.verify_interval) |
678 | hdr_inc = td->o.verify_interval; | |
baefa9be | 679 | |
5ec10eaa | 680 | for (; p < io_u->buf + io_u->buflen; p += hdr_inc) { |
95646108 | 681 | hdr = p; |
3f9f4e26 SL |
682 | |
683 | hdr->fio_magic = FIO_HDR_MAGIC; | |
684 | hdr->verify_type = td->o.verify; | |
546a9142 | 685 | hdr->len = hdr_inc; |
87677832 | 686 | data_len = hdr_inc - hdr_size(hdr); |
3f9f4e26 | 687 | |
87677832 | 688 | data = p + hdr_size(hdr); |
3f9f4e26 SL |
689 | switch (td->o.verify) { |
690 | case VERIFY_MD5: | |
bd6f78b2 JA |
691 | dprint(FD_VERIFY, "fill md5 io_u %p, len %u\n", |
692 | io_u, hdr->len); | |
3f9f4e26 SL |
693 | fill_md5(hdr, data, data_len); |
694 | break; | |
695 | case VERIFY_CRC64: | |
bd6f78b2 JA |
696 | dprint(FD_VERIFY, "fill crc64 io_u %p, len %u\n", |
697 | io_u, hdr->len); | |
3f9f4e26 SL |
698 | fill_crc64(hdr, data, data_len); |
699 | break; | |
bac39e0e | 700 | case VERIFY_CRC32C: |
3845591f | 701 | case VERIFY_CRC32C_INTEL: |
bac39e0e JA |
702 | dprint(FD_VERIFY, "fill crc32c io_u %p, len %u\n", |
703 | io_u, hdr->len); | |
704 | fill_crc32c(hdr, data, data_len); | |
705 | break; | |
3f9f4e26 | 706 | case VERIFY_CRC32: |
bd6f78b2 JA |
707 | dprint(FD_VERIFY, "fill crc32 io_u %p, len %u\n", |
708 | io_u, hdr->len); | |
3f9f4e26 SL |
709 | fill_crc32(hdr, data, data_len); |
710 | break; | |
711 | case VERIFY_CRC16: | |
bd6f78b2 JA |
712 | dprint(FD_VERIFY, "fill crc16 io_u %p, len %u\n", |
713 | io_u, hdr->len); | |
3f9f4e26 SL |
714 | fill_crc16(hdr, data, data_len); |
715 | break; | |
716 | case VERIFY_CRC7: | |
bd6f78b2 JA |
717 | dprint(FD_VERIFY, "fill crc7 io_u %p, len %u\n", |
718 | io_u, hdr->len); | |
3f9f4e26 SL |
719 | fill_crc7(hdr, data, data_len); |
720 | break; | |
cd14cc10 | 721 | case VERIFY_SHA256: |
bd6f78b2 JA |
722 | dprint(FD_VERIFY, "fill sha256 io_u %p, len %u\n", |
723 | io_u, hdr->len); | |
cd14cc10 JA |
724 | fill_sha256(hdr, data, data_len); |
725 | break; | |
726 | case VERIFY_SHA512: | |
bd6f78b2 JA |
727 | dprint(FD_VERIFY, "fill sha512 io_u %p, len %u\n", |
728 | io_u, hdr->len); | |
cd14cc10 JA |
729 | fill_sha512(hdr, data, data_len); |
730 | break; | |
7437ee87 | 731 | case VERIFY_META: |
bd6f78b2 JA |
732 | dprint(FD_VERIFY, "fill meta io_u %p, len %u\n", |
733 | io_u, hdr->len); | |
7437ee87 SL |
734 | fill_meta(hdr, td, io_u, header_num); |
735 | break; | |
7c353ceb JA |
736 | case VERIFY_SHA1: |
737 | dprint(FD_VERIFY, "fill sha1 io_u %p, len %u\n", | |
738 | io_u, hdr->len); | |
739 | fill_sha1(hdr, data, data_len); | |
740 | break; | |
3f9f4e26 SL |
741 | default: |
742 | log_err("fio: bad verify type: %d\n", td->o.verify); | |
743 | assert(0); | |
744 | } | |
a59e170d | 745 | if (td->o.verify_offset) |
87677832 | 746 | memswp(p, p + td->o.verify_offset, hdr_size(hdr)); |
7437ee87 | 747 | header_num++; |
e29d1b70 | 748 | } |
e29d1b70 JA |
749 | } |
750 | ||
751 | int get_next_verify(struct thread_data *td, struct io_u *io_u) | |
752 | { | |
8de8f047 | 753 | struct io_piece *ipo = NULL; |
e29d1b70 | 754 | |
d2d7fa53 JA |
755 | /* |
756 | * this io_u is from a requeue, we already filled the offsets | |
757 | */ | |
758 | if (io_u->file) | |
759 | return 0; | |
760 | ||
8de8f047 JA |
761 | if (!RB_EMPTY_ROOT(&td->io_hist_tree)) { |
762 | struct rb_node *n = rb_first(&td->io_hist_tree); | |
e29d1b70 | 763 | |
8de8f047 | 764 | ipo = rb_entry(n, struct io_piece, rb_node); |
4b87898e | 765 | rb_erase(n, &td->io_hist_tree); |
9e144189 | 766 | td->io_hist_len--; |
01743ee1 JA |
767 | } else if (!flist_empty(&td->io_hist_list)) { |
768 | ipo = flist_entry(td->io_hist_list.next, struct io_piece, list); | |
9e144189 | 769 | td->io_hist_len--; |
01743ee1 | 770 | flist_del(&ipo->list); |
8de8f047 | 771 | } |
e29d1b70 | 772 | |
8de8f047 | 773 | if (ipo) { |
e29d1b70 JA |
774 | io_u->offset = ipo->offset; |
775 | io_u->buflen = ipo->len; | |
36167d82 | 776 | io_u->file = ipo->file; |
97af62ce | 777 | |
d6aed795 | 778 | if (!fio_file_open(io_u->file)) { |
97af62ce JA |
779 | int r = td_io_open_file(td, io_u->file); |
780 | ||
bd6f78b2 JA |
781 | if (r) { |
782 | dprint(FD_VERIFY, "failed file %s open\n", | |
783 | io_u->file->file_name); | |
97af62ce | 784 | return 1; |
bd6f78b2 | 785 | } |
97af62ce JA |
786 | } |
787 | ||
788 | get_file(ipo->file); | |
d6aed795 | 789 | assert(fio_file_open(io_u->file)); |
e29d1b70 | 790 | io_u->ddir = DDIR_READ; |
36167d82 JA |
791 | io_u->xfer_buf = io_u->buf; |
792 | io_u->xfer_buflen = io_u->buflen; | |
e29d1b70 | 793 | free(ipo); |
bd6f78b2 | 794 | dprint(FD_VERIFY, "get_next_verify: ret io_u %p\n", io_u); |
e29d1b70 JA |
795 | return 0; |
796 | } | |
797 | ||
bd6f78b2 | 798 | dprint(FD_VERIFY, "get_next_verify: empty\n"); |
e29d1b70 JA |
799 | return 1; |
800 | } | |
e8462bd8 JA |
801 | |
802 | static void *verify_async_thread(void *data) | |
803 | { | |
804 | struct thread_data *td = data; | |
805 | struct io_u *io_u; | |
806 | int ret = 0; | |
807 | ||
808 | if (td->o.verify_cpumask_set && | |
809 | fio_setaffinity(td->pid, td->o.verify_cpumask)) { | |
810 | log_err("fio: failed setting verify thread affinity\n"); | |
811 | goto done; | |
812 | } | |
813 | ||
814 | do { | |
e53ab27c JA |
815 | FLIST_HEAD(list); |
816 | ||
e8462bd8 JA |
817 | read_barrier(); |
818 | if (td->verify_thread_exit) | |
819 | break; | |
820 | ||
821 | pthread_mutex_lock(&td->io_u_lock); | |
822 | ||
823 | while (flist_empty(&td->verify_list) && | |
824 | !td->verify_thread_exit) { | |
b36e298b JA |
825 | ret = pthread_cond_wait(&td->verify_cond, |
826 | &td->io_u_lock); | |
e8462bd8 JA |
827 | if (ret) { |
828 | pthread_mutex_unlock(&td->io_u_lock); | |
829 | break; | |
830 | } | |
831 | } | |
832 | ||
e53ab27c JA |
833 | flist_splice_init(&td->verify_list, &list); |
834 | pthread_mutex_unlock(&td->io_u_lock); | |
835 | ||
836 | if (flist_empty(&list)) | |
e8462bd8 | 837 | continue; |
e8462bd8 | 838 | |
e53ab27c JA |
839 | while (!flist_empty(&list)) { |
840 | io_u = flist_entry(list.next, struct io_u, list); | |
841 | flist_del_init(&io_u->list); | |
e8462bd8 | 842 | |
d561f2ab | 843 | ret = verify_io_u(td, io_u); |
e53ab27c | 844 | put_io_u(td, io_u); |
d561f2ab JA |
845 | if (!ret) |
846 | continue; | |
847 | if (td->o.continue_on_error && | |
848 | td_non_fatal_error(ret)) { | |
849 | update_error_count(td, ret); | |
850 | td_clear_error(td); | |
851 | ret = 0; | |
852 | } | |
e53ab27c | 853 | } |
e8462bd8 JA |
854 | } while (!ret); |
855 | ||
d561f2ab JA |
856 | if (ret) { |
857 | td_verror(td, ret, "async_verify"); | |
858 | td->terminate = 1; | |
859 | } | |
860 | ||
e8462bd8 JA |
861 | done: |
862 | pthread_mutex_lock(&td->io_u_lock); | |
863 | td->nr_verify_threads--; | |
864 | pthread_mutex_unlock(&td->io_u_lock); | |
865 | ||
866 | pthread_cond_signal(&td->free_cond); | |
867 | return NULL; | |
868 | } | |
869 | ||
870 | int verify_async_init(struct thread_data *td) | |
871 | { | |
872 | int i, ret; | |
873 | ||
874 | td->verify_thread_exit = 0; | |
875 | ||
876 | td->verify_threads = malloc(sizeof(pthread_t) * td->o.verify_async); | |
877 | for (i = 0; i < td->o.verify_async; i++) { | |
878 | ret = pthread_create(&td->verify_threads[i], NULL, | |
879 | verify_async_thread, td); | |
880 | if (ret) { | |
881 | log_err("fio: async verify creation failed: %s\n", | |
882 | strerror(ret)); | |
883 | break; | |
884 | } | |
885 | ret = pthread_detach(td->verify_threads[i]); | |
886 | if (ret) { | |
887 | log_err("fio: async verify thread detach failed: %s\n", | |
888 | strerror(ret)); | |
889 | break; | |
890 | } | |
891 | td->nr_verify_threads++; | |
892 | } | |
893 | ||
894 | if (i != td->o.verify_async) { | |
e40823b1 | 895 | log_err("fio: only %d verify threads started, exiting\n", i); |
e8462bd8 JA |
896 | td->verify_thread_exit = 1; |
897 | write_barrier(); | |
898 | pthread_cond_broadcast(&td->verify_cond); | |
899 | return 1; | |
900 | } | |
901 | ||
902 | return 0; | |
903 | } | |
904 | ||
905 | void verify_async_exit(struct thread_data *td) | |
906 | { | |
907 | td->verify_thread_exit = 1; | |
908 | write_barrier(); | |
909 | pthread_cond_broadcast(&td->verify_cond); | |
910 | ||
911 | pthread_mutex_lock(&td->io_u_lock); | |
912 | ||
913 | while (td->nr_verify_threads) | |
914 | pthread_cond_wait(&td->free_cond, &td->io_u_lock); | |
915 | ||
916 | pthread_mutex_unlock(&td->io_u_lock); | |
917 | free(td->verify_threads); | |
918 | td->verify_threads = NULL; | |
919 | } |