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); |
90059d65 JA |
56 | memset(p, td->o.verify_pattern, len); |
57 | break; | |
58 | case 2: | |
59 | case 3: | |
60 | case 4: { | |
61 | unsigned int pattern = td->o.verify_pattern; | |
62 | unsigned int i = 0; | |
63 | unsigned char c1, c2, c3, c4; | |
64 | unsigned char *b = p; | |
65 | ||
bd6f78b2 JA |
66 | dprint(FD_VERIFY, "fill verify pattern b=%d len=%u\n", |
67 | td->o.verify_pattern_bytes, len); | |
68 | ||
90059d65 JA |
69 | c1 = pattern & 0xff; |
70 | pattern >>= 8; | |
71 | c2 = pattern & 0xff; | |
72 | pattern >>= 8; | |
73 | c3 = pattern & 0xff; | |
74 | pattern >>= 8; | |
75 | c4 = pattern & 0xff; | |
76 | ||
77 | while (i < len) { | |
78 | b[i++] = c1; | |
79 | if (i == len) | |
80 | break; | |
81 | b[i++] = c2; | |
82 | if (td->o.verify_pattern_bytes == 2 || i == len) | |
83 | continue; | |
84 | b[i++] = c3; | |
85 | if (td->o.verify_pattern_bytes == 3 || i == len) | |
86 | continue; | |
87 | b[i++] = c4; | |
88 | } | |
89 | break; | |
90 | } | |
91 | } | |
92 | } | |
93 | ||
4764aec9 | 94 | static void memswp(void *buf1, void *buf2, unsigned int len) |
546a9142 | 95 | { |
dee6de74 SL |
96 | char swap[200]; |
97 | ||
98 | assert(len <= sizeof(swap)); | |
90059d65 | 99 | |
546a9142 SL |
100 | memcpy(&swap, buf1, len); |
101 | memcpy(buf1, buf2, len); | |
102 | memcpy(buf2, &swap, len); | |
103 | } | |
104 | ||
e29d1b70 JA |
105 | static void hexdump(void *buffer, int len) |
106 | { | |
107 | unsigned char *p = buffer; | |
108 | int i; | |
109 | ||
110 | for (i = 0; i < len; i++) | |
6d86144d JA |
111 | log_info("%02x", p[i]); |
112 | log_info("\n"); | |
e29d1b70 JA |
113 | } |
114 | ||
87677832 JA |
115 | /* |
116 | * Prepare for seperation of verify_header and checksum header | |
117 | */ | |
546dfd9f | 118 | static inline unsigned int __hdr_size(int verify_type) |
87677832 | 119 | { |
5921e80c | 120 | unsigned int len = len; |
87677832 | 121 | |
546dfd9f JA |
122 | switch (verify_type) { |
123 | case VERIFY_NONE: | |
124 | case VERIFY_NULL: | |
125 | len = 0; | |
126 | break; | |
127 | case VERIFY_MD5: | |
128 | len = sizeof(struct vhdr_md5); | |
129 | break; | |
130 | case VERIFY_CRC64: | |
131 | len = sizeof(struct vhdr_crc64); | |
132 | break; | |
bac39e0e | 133 | case VERIFY_CRC32C: |
546dfd9f | 134 | case VERIFY_CRC32: |
3845591f | 135 | case VERIFY_CRC32C_INTEL: |
546dfd9f JA |
136 | len = sizeof(struct vhdr_crc32); |
137 | break; | |
138 | case VERIFY_CRC16: | |
139 | len = sizeof(struct vhdr_crc16); | |
140 | break; | |
141 | case VERIFY_CRC7: | |
142 | len = sizeof(struct vhdr_crc7); | |
143 | break; | |
144 | case VERIFY_SHA256: | |
145 | len = sizeof(struct vhdr_sha256); | |
146 | break; | |
147 | case VERIFY_SHA512: | |
148 | len = sizeof(struct vhdr_sha512); | |
149 | break; | |
7437ee87 SL |
150 | case VERIFY_META: |
151 | len = sizeof(struct vhdr_meta); | |
152 | break; | |
7c353ceb JA |
153 | case VERIFY_SHA1: |
154 | len = sizeof(struct vhdr_sha1); | |
155 | break; | |
546dfd9f JA |
156 | default: |
157 | log_err("fio: unknown verify header!\n"); | |
158 | assert(0); | |
159 | } | |
160 | ||
161 | return len + sizeof(struct verify_header); | |
87677832 JA |
162 | } |
163 | ||
164 | static inline unsigned int hdr_size(struct verify_header *hdr) | |
165 | { | |
546dfd9f JA |
166 | return __hdr_size(hdr->verify_type); |
167 | } | |
168 | ||
169 | static void *hdr_priv(struct verify_header *hdr) | |
170 | { | |
171 | void *priv = hdr; | |
172 | ||
173 | return priv + sizeof(struct verify_header); | |
87677832 JA |
174 | } |
175 | ||
d9f2caf3 JA |
176 | /* |
177 | * Return data area 'header_num' | |
178 | */ | |
179 | static inline void *io_u_verify_off(struct verify_header *hdr, | |
5ec10eaa | 180 | struct io_u *io_u, unsigned char header_num) |
d9f2caf3 | 181 | { |
87677832 | 182 | return io_u->buf + header_num * hdr->len + hdr_size(hdr); |
d9f2caf3 JA |
183 | } |
184 | ||
7437ee87 | 185 | static int verify_io_u_meta(struct verify_header *hdr, struct thread_data *td, |
5ec10eaa | 186 | struct io_u *io_u, unsigned int header_num) |
7437ee87 SL |
187 | { |
188 | struct vhdr_meta *vh = hdr_priv(hdr); | |
189 | ||
bd6f78b2 JA |
190 | dprint(FD_VERIFY, "meta verify io_u %p, len %u\n", io_u, hdr->len); |
191 | ||
7437ee87 SL |
192 | if (vh->offset != io_u->offset + header_num * td->o.verify_interval) { |
193 | log_err("meta: verify failed at %llu/%u\n", | |
5ec10eaa | 194 | io_u->offset + header_num * hdr->len, hdr->len); |
9fd18969 | 195 | return EILSEQ; |
7437ee87 SL |
196 | } |
197 | ||
198 | return 0; | |
199 | } | |
200 | ||
cd14cc10 JA |
201 | static int verify_io_u_sha512(struct verify_header *hdr, struct io_u *io_u, |
202 | unsigned int header_num) | |
203 | { | |
204 | void *p = io_u_verify_off(hdr, io_u, header_num); | |
546dfd9f | 205 | struct vhdr_sha512 *vh = hdr_priv(hdr); |
cd14cc10 JA |
206 | uint8_t sha512[128]; |
207 | struct sha512_ctx sha512_ctx = { | |
208 | .buf = sha512, | |
209 | }; | |
210 | ||
bd6f78b2 JA |
211 | dprint(FD_VERIFY, "sha512 verify io_u %p, len %u\n", io_u, hdr->len); |
212 | ||
cd14cc10 | 213 | sha512_init(&sha512_ctx); |
87677832 | 214 | sha512_update(&sha512_ctx, p, hdr->len - hdr_size(hdr)); |
cd14cc10 | 215 | |
546dfd9f | 216 | if (memcmp(vh->sha512, sha512_ctx.buf, sizeof(sha512))) { |
cd14cc10 | 217 | log_err("sha512: verify failed at %llu/%u\n", |
5ec10eaa | 218 | io_u->offset + header_num * hdr->len, hdr->len); |
546dfd9f | 219 | hexdump(vh->sha512, sizeof(vh->sha512)); |
cd14cc10 | 220 | hexdump(sha512_ctx.buf, sizeof(sha512)); |
9fd18969 | 221 | return EILSEQ; |
cd14cc10 JA |
222 | } |
223 | ||
224 | return 0; | |
225 | } | |
226 | ||
227 | static int verify_io_u_sha256(struct verify_header *hdr, struct io_u *io_u, | |
228 | unsigned int header_num) | |
229 | { | |
230 | void *p = io_u_verify_off(hdr, io_u, header_num); | |
546dfd9f | 231 | struct vhdr_sha256 *vh = hdr_priv(hdr); |
cd14cc10 JA |
232 | uint8_t sha256[128]; |
233 | struct sha256_ctx sha256_ctx = { | |
234 | .buf = sha256, | |
235 | }; | |
236 | ||
bd6f78b2 JA |
237 | dprint(FD_VERIFY, "sha256 verify io_u %p, len %u\n", io_u, hdr->len); |
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", |
5ec10eaa | 244 | io_u->offset + header_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 | ||
7c353ceb JA |
253 | static int verify_io_u_sha1(struct verify_header *hdr, struct io_u *io_u, |
254 | unsigned int header_num) | |
255 | { | |
256 | void *p = io_u_verify_off(hdr, io_u, header_num); | |
257 | struct vhdr_sha1 *vh = hdr_priv(hdr); | |
258 | uint32_t sha1[5]; | |
259 | struct sha1_ctx sha1_ctx = { | |
260 | .H = sha1, | |
261 | }; | |
262 | ||
263 | dprint(FD_VERIFY, "sha1 verify io_u %p, len %u\n", io_u, hdr->len); | |
264 | ||
265 | sha1_init(&sha1_ctx); | |
266 | sha1_update(&sha1_ctx, p, hdr->len - hdr_size(hdr)); | |
267 | ||
268 | if (memcmp(vh->sha1, sha1_ctx.H, sizeof(sha1))) { | |
269 | log_err("sha1: verify failed at %llu/%u\n", | |
270 | io_u->offset + header_num * hdr->len, hdr->len); | |
271 | hexdump(vh->sha1, sizeof(vh->sha1)); | |
272 | hexdump(sha1_ctx.H, sizeof(sha1)); | |
273 | return EILSEQ; | |
274 | } | |
275 | ||
276 | return 0; | |
277 | } | |
278 | ||
3f9f4e26 | 279 | static int verify_io_u_crc7(struct verify_header *hdr, struct io_u *io_u, |
5ec10eaa | 280 | unsigned char header_num) |
1e154bdb | 281 | { |
d9f2caf3 | 282 | void *p = io_u_verify_off(hdr, io_u, header_num); |
546dfd9f | 283 | struct vhdr_crc7 *vh = hdr_priv(hdr); |
1e154bdb JA |
284 | unsigned char c; |
285 | ||
bd6f78b2 JA |
286 | dprint(FD_VERIFY, "crc7 verify io_u %p, len %u\n", io_u, hdr->len); |
287 | ||
87677832 | 288 | c = crc7(p, hdr->len - hdr_size(hdr)); |
1e154bdb | 289 | |
546dfd9f | 290 | if (c != vh->crc7) { |
3f9f4e26 | 291 | log_err("crc7: verify failed at %llu/%u\n", |
5ec10eaa | 292 | io_u->offset + header_num * hdr->len, hdr->len); |
546dfd9f | 293 | log_err("crc7: wanted %x, got %x\n", vh->crc7, c); |
9fd18969 | 294 | return EILSEQ; |
1e154bdb JA |
295 | } |
296 | ||
297 | return 0; | |
298 | } | |
299 | ||
3f9f4e26 | 300 | static int verify_io_u_crc16(struct verify_header *hdr, struct io_u *io_u, |
5ec10eaa | 301 | unsigned int header_num) |
969f7ed3 | 302 | { |
d9f2caf3 | 303 | void *p = io_u_verify_off(hdr, io_u, header_num); |
546dfd9f | 304 | struct vhdr_crc16 *vh = hdr_priv(hdr); |
969f7ed3 JA |
305 | unsigned short c; |
306 | ||
bd6f78b2 JA |
307 | dprint(FD_VERIFY, "crc16 verify io_u %p, len %u\n", io_u, hdr->len); |
308 | ||
87677832 | 309 | c = crc16(p, hdr->len - hdr_size(hdr)); |
969f7ed3 | 310 | |
546dfd9f | 311 | if (c != vh->crc16) { |
3f9f4e26 | 312 | log_err("crc16: verify failed at %llu/%u\n", |
5ec10eaa | 313 | io_u->offset + header_num * hdr->len, hdr->len); |
546dfd9f | 314 | log_err("crc16: wanted %x, got %x\n", vh->crc16, c); |
9fd18969 | 315 | return EILSEQ; |
969f7ed3 JA |
316 | } |
317 | ||
318 | return 0; | |
319 | } | |
320 | ||
3f9f4e26 | 321 | static int verify_io_u_crc64(struct verify_header *hdr, struct io_u *io_u, |
5ec10eaa | 322 | unsigned int header_num) |
d77a7af3 | 323 | { |
d9f2caf3 | 324 | void *p = io_u_verify_off(hdr, io_u, header_num); |
546dfd9f | 325 | struct vhdr_crc64 *vh = hdr_priv(hdr); |
d77a7af3 JA |
326 | unsigned long long c; |
327 | ||
bd6f78b2 JA |
328 | dprint(FD_VERIFY, "crc64 verify io_u %p, len %u\n", io_u, hdr->len); |
329 | ||
87677832 | 330 | c = crc64(p, hdr->len - hdr_size(hdr)); |
d77a7af3 | 331 | |
546dfd9f | 332 | if (c != vh->crc64) { |
3f9f4e26 SL |
333 | log_err("crc64: verify failed at %llu/%u\n", |
334 | io_u->offset + header_num * hdr->len, | |
335 | hdr->len); | |
5ec10eaa JA |
336 | log_err("crc64: wanted %llx, got %llx\n", |
337 | (unsigned long long) vh->crc64, c); | |
9fd18969 | 338 | return EILSEQ; |
d77a7af3 JA |
339 | } |
340 | ||
341 | return 0; | |
342 | } | |
343 | ||
3f9f4e26 | 344 | static int verify_io_u_crc32(struct verify_header *hdr, struct io_u *io_u, |
5ec10eaa | 345 | unsigned int header_num) |
e29d1b70 | 346 | { |
d9f2caf3 | 347 | void *p = io_u_verify_off(hdr, io_u, header_num); |
546dfd9f JA |
348 | struct vhdr_crc32 *vh = hdr_priv(hdr); |
349 | uint32_t c; | |
e29d1b70 | 350 | |
bd6f78b2 JA |
351 | dprint(FD_VERIFY, "crc32 verify io_u %p, len %u\n", io_u, hdr->len); |
352 | ||
87677832 | 353 | c = crc32(p, hdr->len - hdr_size(hdr)); |
e29d1b70 | 354 | |
546dfd9f | 355 | if (c != vh->crc32) { |
3f9f4e26 | 356 | log_err("crc32: verify failed at %llu/%u\n", |
5ec10eaa | 357 | io_u->offset + header_num * hdr->len, hdr->len); |
546dfd9f | 358 | log_err("crc32: wanted %x, got %x\n", vh->crc32, c); |
9fd18969 | 359 | return EILSEQ; |
e29d1b70 JA |
360 | } |
361 | ||
362 | return 0; | |
363 | } | |
364 | ||
bac39e0e JA |
365 | static int verify_io_u_crc32c(struct verify_header *hdr, struct io_u *io_u, |
366 | unsigned int header_num) | |
367 | { | |
368 | void *p = io_u_verify_off(hdr, io_u, header_num); | |
369 | struct vhdr_crc32 *vh = hdr_priv(hdr); | |
370 | uint32_t c; | |
371 | ||
372 | dprint(FD_VERIFY, "crc32c verify io_u %p, len %u\n", io_u, hdr->len); | |
373 | ||
3845591f JA |
374 | if (hdr->verify_type == VERIFY_CRC32C_INTEL) |
375 | c = crc32c_intel(p, hdr->len - hdr_size(hdr)); | |
376 | else | |
377 | c = crc32c(p, hdr->len - hdr_size(hdr)); | |
bac39e0e JA |
378 | |
379 | if (c != vh->crc32) { | |
380 | log_err("crc32c: verify failed at %llu/%u\n", | |
381 | io_u->offset + header_num * hdr->len, hdr->len); | |
382 | log_err("crc32c: wanted %x, got %x\n", vh->crc32, c); | |
9fd18969 | 383 | return EILSEQ; |
bac39e0e JA |
384 | } |
385 | ||
386 | return 0; | |
387 | } | |
388 | ||
3f9f4e26 | 389 | static int verify_io_u_md5(struct verify_header *hdr, struct io_u *io_u, |
5ec10eaa | 390 | unsigned int header_num) |
e29d1b70 | 391 | { |
d9f2caf3 | 392 | void *p = io_u_verify_off(hdr, io_u, header_num); |
546dfd9f | 393 | struct vhdr_md5 *vh = hdr_priv(hdr); |
8c432325 JA |
394 | uint32_t hash[MD5_HASH_WORDS]; |
395 | struct md5_ctx md5_ctx = { | |
396 | .hash = hash, | |
397 | }; | |
e29d1b70 | 398 | |
bd6f78b2 JA |
399 | dprint(FD_VERIFY, "md5 verify io_u %p, len %u\n", io_u, hdr->len); |
400 | ||
61f821f1 | 401 | md5_init(&md5_ctx); |
87677832 | 402 | md5_update(&md5_ctx, p, hdr->len - hdr_size(hdr)); |
e29d1b70 | 403 | |
546dfd9f | 404 | if (memcmp(vh->md5_digest, md5_ctx.hash, sizeof(hash))) { |
3f9f4e26 | 405 | log_err("md5: verify failed at %llu/%u\n", |
5ec10eaa | 406 | io_u->offset + header_num * hdr->len, hdr->len); |
546dfd9f | 407 | hexdump(vh->md5_digest, sizeof(vh->md5_digest)); |
8c432325 | 408 | hexdump(md5_ctx.hash, sizeof(hash)); |
9fd18969 | 409 | return EILSEQ; |
e29d1b70 JA |
410 | } |
411 | ||
412 | return 0; | |
413 | } | |
414 | ||
3f199b01 JA |
415 | static unsigned int hweight8(unsigned int w) |
416 | { | |
417 | unsigned int res = w - ((w >> 1) & 0x55); | |
418 | ||
419 | res = (res & 0x33) + ((res >> 2) & 0x33); | |
420 | return (res + (res >> 4)) & 0x0F; | |
421 | } | |
422 | ||
a944e335 | 423 | int verify_io_u_pattern(unsigned long pattern, unsigned long pattern_size, |
5ec10eaa | 424 | char *buf, unsigned int len, unsigned int mod) |
a944e335 SL |
425 | { |
426 | unsigned int i; | |
427 | char split_pattern[4]; | |
428 | ||
429 | for (i = 0; i < 4; i++) { | |
430 | split_pattern[i] = pattern & 0xff; | |
431 | pattern >>= 8; | |
432 | } | |
433 | ||
434 | for (i = 0; i < len; i++) { | |
3f199b01 JA |
435 | if (buf[i] != split_pattern[mod]) { |
436 | unsigned int bits; | |
437 | ||
438 | bits = hweight8(buf[i] ^ split_pattern[mod]); | |
439 | log_err("fio: got pattern %x, wanted %x. Bad bits %d\n", | |
440 | buf[i], split_pattern[mod], bits); | |
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); | |
463 | flist_del(&io_u->list); | |
464 | flist_add_tail(&io_u->list, &td->verify_list); | |
465 | pthread_mutex_unlock(&td->io_u_lock); | |
466 | ||
467 | pthread_cond_signal(&td->verify_cond); | |
468 | io_u->flags |= IO_U_F_FREE_DEF; | |
469 | return 0; | |
470 | } | |
471 | ||
36690c9b | 472 | int verify_io_u(struct thread_data *td, struct io_u *io_u) |
e29d1b70 | 473 | { |
3f9f4e26 | 474 | struct verify_header *hdr; |
a944e335 | 475 | unsigned int hdr_size, hdr_inc, hdr_num = 0; |
95646108 | 476 | void *p; |
e29d1b70 JA |
477 | int ret; |
478 | ||
1dcc0498 | 479 | if (td->o.verify == VERIFY_NULL || io_u->ddir != DDIR_READ) |
36690c9b JA |
480 | return 0; |
481 | ||
3f9f4e26 | 482 | hdr_inc = io_u->buflen; |
a59e170d JA |
483 | if (td->o.verify_interval) |
484 | hdr_inc = td->o.verify_interval; | |
e29d1b70 | 485 | |
a12a3b4d | 486 | ret = 0; |
5ec10eaa JA |
487 | for (p = io_u->buf; p < io_u->buf + io_u->buflen; |
488 | p += hdr_inc, hdr_num++) { | |
a12a3b4d JA |
489 | if (ret && td->o.verify_fatal) { |
490 | td->terminate = 1; | |
491 | break; | |
492 | } | |
a944e335 | 493 | hdr_size = __hdr_size(td->o.verify); |
a59e170d | 494 | if (td->o.verify_offset) |
a944e335 | 495 | memswp(p, p + td->o.verify_offset, hdr_size); |
95646108 | 496 | hdr = p; |
e29d1b70 | 497 | |
3f199b01 JA |
498 | if (hdr->fio_magic != FIO_HDR_MAGIC) { |
499 | log_err("Bad verify header %x\n", hdr->fio_magic); | |
9fd18969 | 500 | return EILSEQ; |
3f199b01 JA |
501 | } |
502 | ||
e28218f3 | 503 | if (td->o.verify_pattern_bytes) { |
bd6f78b2 JA |
504 | dprint(FD_VERIFY, "pattern verify io_u %p, len %u\n", |
505 | io_u, hdr->len); | |
e28218f3 | 506 | ret = verify_io_u_pattern(td->o.verify_pattern, |
5ec10eaa JA |
507 | td->o.verify_pattern_bytes, |
508 | p + hdr_size, | |
509 | hdr_inc - hdr_size, | |
510 | hdr_size % 4); | |
e92d3d71 RR |
511 | /* |
512 | * Also verify the meta data, if applicable | |
513 | */ | |
514 | if (hdr->verify_type == VERIFY_META) | |
515 | ret |= verify_io_u_meta(hdr, td, io_u, hdr_num); | |
516 | ||
e28218f3 SL |
517 | if (ret) |
518 | log_err("fio: verify failed at %llu/%u\n", | |
519 | io_u->offset + hdr_num * hdr->len, | |
520 | hdr->len); | |
521 | continue; | |
522 | } | |
523 | ||
3f9f4e26 SL |
524 | switch (hdr->verify_type) { |
525 | case VERIFY_MD5: | |
526 | ret = verify_io_u_md5(hdr, io_u, hdr_num); | |
527 | break; | |
528 | case VERIFY_CRC64: | |
529 | ret = verify_io_u_crc64(hdr, io_u, hdr_num); | |
530 | break; | |
bac39e0e | 531 | case VERIFY_CRC32C: |
3845591f | 532 | case VERIFY_CRC32C_INTEL: |
bac39e0e JA |
533 | ret = verify_io_u_crc32c(hdr, io_u, hdr_num); |
534 | break; | |
3f9f4e26 SL |
535 | case VERIFY_CRC32: |
536 | ret = verify_io_u_crc32(hdr, io_u, hdr_num); | |
537 | break; | |
538 | case VERIFY_CRC16: | |
539 | ret = verify_io_u_crc16(hdr, io_u, hdr_num); | |
540 | break; | |
541 | case VERIFY_CRC7: | |
542 | ret = verify_io_u_crc7(hdr, io_u, hdr_num); | |
543 | break; | |
cd14cc10 JA |
544 | case VERIFY_SHA256: |
545 | ret = verify_io_u_sha256(hdr, io_u, hdr_num); | |
546 | break; | |
547 | case VERIFY_SHA512: | |
548 | ret = verify_io_u_sha512(hdr, io_u, hdr_num); | |
549 | break; | |
7437ee87 SL |
550 | case VERIFY_META: |
551 | ret = verify_io_u_meta(hdr, td, io_u, hdr_num); | |
552 | break; | |
7c353ceb JA |
553 | case VERIFY_SHA1: |
554 | ret = verify_io_u_sha1(hdr, io_u, hdr_num); | |
555 | break; | |
3f9f4e26 SL |
556 | default: |
557 | log_err("Bad verify type %u\n", hdr->verify_type); | |
d16d4e09 | 558 | ret = EINVAL; |
3f9f4e26 | 559 | } |
3f9f4e26 | 560 | } |
a7dfe862 | 561 | |
a12a3b4d | 562 | return ret; |
e29d1b70 JA |
563 | } |
564 | ||
7437ee87 | 565 | static void fill_meta(struct verify_header *hdr, struct thread_data *td, |
5ec10eaa | 566 | struct io_u *io_u, unsigned int header_num) |
7437ee87 SL |
567 | { |
568 | struct vhdr_meta *vh = hdr_priv(hdr); | |
569 | ||
570 | vh->thread = td->thread_number; | |
571 | ||
572 | vh->time_sec = io_u->start_time.tv_sec; | |
573 | vh->time_usec = io_u->start_time.tv_usec; | |
574 | ||
575 | vh->numberio = td->io_issues[DDIR_WRITE]; | |
576 | ||
577 | vh->offset = io_u->offset + header_num * td->o.verify_interval; | |
578 | } | |
579 | ||
cd14cc10 JA |
580 | static void fill_sha512(struct verify_header *hdr, void *p, unsigned int len) |
581 | { | |
546dfd9f | 582 | struct vhdr_sha512 *vh = hdr_priv(hdr); |
cd14cc10 | 583 | struct sha512_ctx sha512_ctx = { |
546dfd9f | 584 | .buf = vh->sha512, |
cd14cc10 JA |
585 | }; |
586 | ||
587 | sha512_init(&sha512_ctx); | |
588 | sha512_update(&sha512_ctx, p, len); | |
589 | } | |
590 | ||
591 | static void fill_sha256(struct verify_header *hdr, void *p, unsigned int len) | |
592 | { | |
546dfd9f | 593 | struct vhdr_sha256 *vh = hdr_priv(hdr); |
cd14cc10 | 594 | struct sha256_ctx sha256_ctx = { |
546dfd9f | 595 | .buf = vh->sha256, |
cd14cc10 JA |
596 | }; |
597 | ||
598 | sha256_init(&sha256_ctx); | |
599 | sha256_update(&sha256_ctx, p, len); | |
600 | } | |
601 | ||
7c353ceb JA |
602 | static void fill_sha1(struct verify_header *hdr, void *p, unsigned int len) |
603 | { | |
604 | struct vhdr_sha1 *vh = hdr_priv(hdr); | |
605 | struct sha1_ctx sha1_ctx = { | |
606 | .H = vh->sha1, | |
607 | }; | |
608 | ||
609 | sha1_init(&sha1_ctx); | |
610 | sha1_update(&sha1_ctx, p, len); | |
611 | } | |
612 | ||
1e154bdb JA |
613 | static void fill_crc7(struct verify_header *hdr, void *p, unsigned int len) |
614 | { | |
546dfd9f JA |
615 | struct vhdr_crc7 *vh = hdr_priv(hdr); |
616 | ||
617 | vh->crc7 = crc7(p, len); | |
1e154bdb JA |
618 | } |
619 | ||
969f7ed3 JA |
620 | static void fill_crc16(struct verify_header *hdr, void *p, unsigned int len) |
621 | { | |
546dfd9f JA |
622 | struct vhdr_crc16 *vh = hdr_priv(hdr); |
623 | ||
624 | vh->crc16 = crc16(p, len); | |
969f7ed3 JA |
625 | } |
626 | ||
e29d1b70 JA |
627 | static void fill_crc32(struct verify_header *hdr, void *p, unsigned int len) |
628 | { | |
546dfd9f JA |
629 | struct vhdr_crc32 *vh = hdr_priv(hdr); |
630 | ||
631 | vh->crc32 = crc32(p, len); | |
e29d1b70 JA |
632 | } |
633 | ||
bac39e0e JA |
634 | static void fill_crc32c(struct verify_header *hdr, void *p, unsigned int len) |
635 | { | |
636 | struct vhdr_crc32 *vh = hdr_priv(hdr); | |
637 | ||
3845591f JA |
638 | if (hdr->verify_type == VERIFY_CRC32C_INTEL) |
639 | vh->crc32 = crc32c_intel(p, len); | |
640 | else | |
641 | vh->crc32 = crc32c(p, len); | |
bac39e0e JA |
642 | } |
643 | ||
d77a7af3 JA |
644 | static void fill_crc64(struct verify_header *hdr, void *p, unsigned int len) |
645 | { | |
546dfd9f JA |
646 | struct vhdr_crc64 *vh = hdr_priv(hdr); |
647 | ||
648 | vh->crc64 = crc64(p, len); | |
d77a7af3 JA |
649 | } |
650 | ||
e29d1b70 JA |
651 | static void fill_md5(struct verify_header *hdr, void *p, unsigned int len) |
652 | { | |
546dfd9f | 653 | struct vhdr_md5 *vh = hdr_priv(hdr); |
8c432325 | 654 | struct md5_ctx md5_ctx = { |
546dfd9f | 655 | .hash = (uint32_t *) vh->md5_digest, |
8c432325 | 656 | }; |
e29d1b70 | 657 | |
61f821f1 | 658 | md5_init(&md5_ctx); |
e29d1b70 | 659 | md5_update(&md5_ctx, p, len); |
e29d1b70 JA |
660 | } |
661 | ||
662 | /* | |
663 | * fill body of io_u->buf with random data and add a header with the | |
664 | * crc32 or md5 sum of that data. | |
665 | */ | |
666 | void populate_verify_io_u(struct thread_data *td, struct io_u *io_u) | |
667 | { | |
baefa9be | 668 | struct verify_header *hdr; |
95646108 | 669 | void *p = io_u->buf, *data; |
7437ee87 | 670 | unsigned int hdr_inc, data_len, header_num = 0; |
e29d1b70 | 671 | |
9cc3d150 JA |
672 | if (td->o.verify == VERIFY_NULL) |
673 | return; | |
674 | ||
90059d65 | 675 | fill_pattern(td, p, io_u->buflen); |
546a9142 SL |
676 | |
677 | hdr_inc = io_u->buflen; | |
a59e170d JA |
678 | if (td->o.verify_interval) |
679 | hdr_inc = td->o.verify_interval; | |
baefa9be | 680 | |
5ec10eaa | 681 | for (; p < io_u->buf + io_u->buflen; p += hdr_inc) { |
95646108 | 682 | hdr = p; |
3f9f4e26 SL |
683 | |
684 | hdr->fio_magic = FIO_HDR_MAGIC; | |
685 | hdr->verify_type = td->o.verify; | |
546a9142 | 686 | hdr->len = hdr_inc; |
87677832 | 687 | data_len = hdr_inc - hdr_size(hdr); |
3f9f4e26 | 688 | |
87677832 | 689 | data = p + hdr_size(hdr); |
3f9f4e26 SL |
690 | switch (td->o.verify) { |
691 | case VERIFY_MD5: | |
bd6f78b2 JA |
692 | dprint(FD_VERIFY, "fill md5 io_u %p, len %u\n", |
693 | io_u, hdr->len); | |
3f9f4e26 SL |
694 | fill_md5(hdr, data, data_len); |
695 | break; | |
696 | case VERIFY_CRC64: | |
bd6f78b2 JA |
697 | dprint(FD_VERIFY, "fill crc64 io_u %p, len %u\n", |
698 | io_u, hdr->len); | |
3f9f4e26 SL |
699 | fill_crc64(hdr, data, data_len); |
700 | break; | |
bac39e0e | 701 | case VERIFY_CRC32C: |
3845591f | 702 | case VERIFY_CRC32C_INTEL: |
bac39e0e JA |
703 | dprint(FD_VERIFY, "fill crc32c io_u %p, len %u\n", |
704 | io_u, hdr->len); | |
705 | fill_crc32c(hdr, data, data_len); | |
706 | break; | |
3f9f4e26 | 707 | case VERIFY_CRC32: |
bd6f78b2 JA |
708 | dprint(FD_VERIFY, "fill crc32 io_u %p, len %u\n", |
709 | io_u, hdr->len); | |
3f9f4e26 SL |
710 | fill_crc32(hdr, data, data_len); |
711 | break; | |
712 | case VERIFY_CRC16: | |
bd6f78b2 JA |
713 | dprint(FD_VERIFY, "fill crc16 io_u %p, len %u\n", |
714 | io_u, hdr->len); | |
3f9f4e26 SL |
715 | fill_crc16(hdr, data, data_len); |
716 | break; | |
717 | case VERIFY_CRC7: | |
bd6f78b2 JA |
718 | dprint(FD_VERIFY, "fill crc7 io_u %p, len %u\n", |
719 | io_u, hdr->len); | |
3f9f4e26 SL |
720 | fill_crc7(hdr, data, data_len); |
721 | break; | |
cd14cc10 | 722 | case VERIFY_SHA256: |
bd6f78b2 JA |
723 | dprint(FD_VERIFY, "fill sha256 io_u %p, len %u\n", |
724 | io_u, hdr->len); | |
cd14cc10 JA |
725 | fill_sha256(hdr, data, data_len); |
726 | break; | |
727 | case VERIFY_SHA512: | |
bd6f78b2 JA |
728 | dprint(FD_VERIFY, "fill sha512 io_u %p, len %u\n", |
729 | io_u, hdr->len); | |
cd14cc10 JA |
730 | fill_sha512(hdr, data, data_len); |
731 | break; | |
7437ee87 | 732 | case VERIFY_META: |
bd6f78b2 JA |
733 | dprint(FD_VERIFY, "fill meta io_u %p, len %u\n", |
734 | io_u, hdr->len); | |
7437ee87 SL |
735 | fill_meta(hdr, td, io_u, header_num); |
736 | break; | |
7c353ceb JA |
737 | case VERIFY_SHA1: |
738 | dprint(FD_VERIFY, "fill sha1 io_u %p, len %u\n", | |
739 | io_u, hdr->len); | |
740 | fill_sha1(hdr, data, data_len); | |
741 | break; | |
3f9f4e26 SL |
742 | default: |
743 | log_err("fio: bad verify type: %d\n", td->o.verify); | |
744 | assert(0); | |
745 | } | |
a59e170d | 746 | if (td->o.verify_offset) |
87677832 | 747 | memswp(p, p + td->o.verify_offset, hdr_size(hdr)); |
7437ee87 | 748 | header_num++; |
e29d1b70 | 749 | } |
e29d1b70 JA |
750 | } |
751 | ||
752 | int get_next_verify(struct thread_data *td, struct io_u *io_u) | |
753 | { | |
8de8f047 | 754 | struct io_piece *ipo = NULL; |
e29d1b70 | 755 | |
d2d7fa53 JA |
756 | /* |
757 | * this io_u is from a requeue, we already filled the offsets | |
758 | */ | |
759 | if (io_u->file) | |
760 | return 0; | |
761 | ||
8de8f047 JA |
762 | if (!RB_EMPTY_ROOT(&td->io_hist_tree)) { |
763 | struct rb_node *n = rb_first(&td->io_hist_tree); | |
e29d1b70 | 764 | |
8de8f047 | 765 | ipo = rb_entry(n, struct io_piece, rb_node); |
4b87898e | 766 | rb_erase(n, &td->io_hist_tree); |
01743ee1 JA |
767 | } else if (!flist_empty(&td->io_hist_list)) { |
768 | ipo = flist_entry(td->io_hist_list.next, struct io_piece, list); | |
769 | flist_del(&ipo->list); | |
8de8f047 | 770 | } |
e29d1b70 | 771 | |
8de8f047 | 772 | if (ipo) { |
e29d1b70 JA |
773 | io_u->offset = ipo->offset; |
774 | io_u->buflen = ipo->len; | |
36167d82 | 775 | io_u->file = ipo->file; |
97af62ce | 776 | |
d6aed795 | 777 | if (!fio_file_open(io_u->file)) { |
97af62ce JA |
778 | int r = td_io_open_file(td, io_u->file); |
779 | ||
bd6f78b2 JA |
780 | if (r) { |
781 | dprint(FD_VERIFY, "failed file %s open\n", | |
782 | io_u->file->file_name); | |
97af62ce | 783 | return 1; |
bd6f78b2 | 784 | } |
97af62ce JA |
785 | } |
786 | ||
787 | get_file(ipo->file); | |
d6aed795 | 788 | assert(fio_file_open(io_u->file)); |
e29d1b70 | 789 | io_u->ddir = DDIR_READ; |
36167d82 JA |
790 | io_u->xfer_buf = io_u->buf; |
791 | io_u->xfer_buflen = io_u->buflen; | |
e29d1b70 | 792 | free(ipo); |
bd6f78b2 | 793 | dprint(FD_VERIFY, "get_next_verify: ret io_u %p\n", io_u); |
e29d1b70 JA |
794 | return 0; |
795 | } | |
796 | ||
bd6f78b2 | 797 | dprint(FD_VERIFY, "get_next_verify: empty\n"); |
e29d1b70 JA |
798 | return 1; |
799 | } | |
e8462bd8 JA |
800 | |
801 | static void *verify_async_thread(void *data) | |
802 | { | |
803 | struct thread_data *td = data; | |
804 | struct io_u *io_u; | |
805 | int ret = 0; | |
806 | ||
807 | if (td->o.verify_cpumask_set && | |
808 | fio_setaffinity(td->pid, td->o.verify_cpumask)) { | |
809 | log_err("fio: failed setting verify thread affinity\n"); | |
810 | goto done; | |
811 | } | |
812 | ||
813 | do { | |
e53ab27c JA |
814 | FLIST_HEAD(list); |
815 | ||
e8462bd8 JA |
816 | read_barrier(); |
817 | if (td->verify_thread_exit) | |
818 | break; | |
819 | ||
820 | pthread_mutex_lock(&td->io_u_lock); | |
821 | ||
822 | while (flist_empty(&td->verify_list) && | |
823 | !td->verify_thread_exit) { | |
b36e298b JA |
824 | ret = pthread_cond_wait(&td->verify_cond, |
825 | &td->io_u_lock); | |
e8462bd8 JA |
826 | if (ret) { |
827 | pthread_mutex_unlock(&td->io_u_lock); | |
828 | break; | |
829 | } | |
830 | } | |
831 | ||
e53ab27c JA |
832 | flist_splice_init(&td->verify_list, &list); |
833 | pthread_mutex_unlock(&td->io_u_lock); | |
834 | ||
835 | if (flist_empty(&list)) | |
e8462bd8 | 836 | continue; |
e8462bd8 | 837 | |
e53ab27c JA |
838 | while (!flist_empty(&list)) { |
839 | io_u = flist_entry(list.next, struct io_u, list); | |
840 | flist_del_init(&io_u->list); | |
e8462bd8 | 841 | |
d561f2ab | 842 | ret = verify_io_u(td, io_u); |
e53ab27c | 843 | put_io_u(td, io_u); |
d561f2ab JA |
844 | if (!ret) |
845 | continue; | |
846 | if (td->o.continue_on_error && | |
847 | td_non_fatal_error(ret)) { | |
848 | update_error_count(td, ret); | |
849 | td_clear_error(td); | |
850 | ret = 0; | |
851 | } | |
e53ab27c | 852 | } |
e8462bd8 JA |
853 | } while (!ret); |
854 | ||
d561f2ab JA |
855 | if (ret) { |
856 | td_verror(td, ret, "async_verify"); | |
857 | td->terminate = 1; | |
858 | } | |
859 | ||
e8462bd8 JA |
860 | done: |
861 | pthread_mutex_lock(&td->io_u_lock); | |
862 | td->nr_verify_threads--; | |
863 | pthread_mutex_unlock(&td->io_u_lock); | |
864 | ||
865 | pthread_cond_signal(&td->free_cond); | |
866 | return NULL; | |
867 | } | |
868 | ||
869 | int verify_async_init(struct thread_data *td) | |
870 | { | |
871 | int i, ret; | |
872 | ||
873 | td->verify_thread_exit = 0; | |
874 | ||
875 | td->verify_threads = malloc(sizeof(pthread_t) * td->o.verify_async); | |
876 | for (i = 0; i < td->o.verify_async; i++) { | |
877 | ret = pthread_create(&td->verify_threads[i], NULL, | |
878 | verify_async_thread, td); | |
879 | if (ret) { | |
880 | log_err("fio: async verify creation failed: %s\n", | |
881 | strerror(ret)); | |
882 | break; | |
883 | } | |
884 | ret = pthread_detach(td->verify_threads[i]); | |
885 | if (ret) { | |
886 | log_err("fio: async verify thread detach failed: %s\n", | |
887 | strerror(ret)); | |
888 | break; | |
889 | } | |
890 | td->nr_verify_threads++; | |
891 | } | |
892 | ||
893 | if (i != td->o.verify_async) { | |
e40823b1 | 894 | log_err("fio: only %d verify threads started, exiting\n", i); |
e8462bd8 JA |
895 | td->verify_thread_exit = 1; |
896 | write_barrier(); | |
897 | pthread_cond_broadcast(&td->verify_cond); | |
898 | return 1; | |
899 | } | |
900 | ||
901 | return 0; | |
902 | } | |
903 | ||
904 | void verify_async_exit(struct thread_data *td) | |
905 | { | |
906 | td->verify_thread_exit = 1; | |
907 | write_barrier(); | |
908 | pthread_cond_broadcast(&td->verify_cond); | |
909 | ||
910 | pthread_mutex_lock(&td->io_u_lock); | |
911 | ||
912 | while (td->nr_verify_threads) | |
913 | pthread_cond_wait(&td->free_cond, &td->io_u_lock); | |
914 | ||
915 | pthread_mutex_unlock(&td->io_u_lock); | |
916 | free(td->verify_threads); | |
917 | td->verify_threads = NULL; | |
918 | } |