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 | ||
d9f2caf3 JA |
159 | /* |
160 | * Return data area 'header_num' | |
161 | */ | |
162 | static inline void *io_u_verify_off(struct verify_header *hdr, | |
5ec10eaa | 163 | struct io_u *io_u, unsigned char header_num) |
d9f2caf3 | 164 | { |
87677832 | 165 | return io_u->buf + header_num * hdr->len + hdr_size(hdr); |
d9f2caf3 JA |
166 | } |
167 | ||
7437ee87 | 168 | static int verify_io_u_meta(struct verify_header *hdr, struct thread_data *td, |
5ec10eaa | 169 | struct io_u *io_u, unsigned int header_num) |
7437ee87 SL |
170 | { |
171 | struct vhdr_meta *vh = hdr_priv(hdr); | |
172 | ||
bd6f78b2 JA |
173 | dprint(FD_VERIFY, "meta verify io_u %p, len %u\n", io_u, hdr->len); |
174 | ||
7437ee87 SL |
175 | if (vh->offset != io_u->offset + header_num * td->o.verify_interval) { |
176 | log_err("meta: verify failed at %llu/%u\n", | |
5ec10eaa | 177 | io_u->offset + header_num * hdr->len, hdr->len); |
9fd18969 | 178 | return EILSEQ; |
7437ee87 SL |
179 | } |
180 | ||
181 | return 0; | |
182 | } | |
183 | ||
cd14cc10 JA |
184 | static int verify_io_u_sha512(struct verify_header *hdr, struct io_u *io_u, |
185 | unsigned int header_num) | |
186 | { | |
187 | void *p = io_u_verify_off(hdr, io_u, header_num); | |
546dfd9f | 188 | struct vhdr_sha512 *vh = hdr_priv(hdr); |
cd14cc10 JA |
189 | uint8_t sha512[128]; |
190 | struct sha512_ctx sha512_ctx = { | |
191 | .buf = sha512, | |
192 | }; | |
193 | ||
bd6f78b2 JA |
194 | dprint(FD_VERIFY, "sha512 verify io_u %p, len %u\n", io_u, hdr->len); |
195 | ||
cd14cc10 | 196 | sha512_init(&sha512_ctx); |
87677832 | 197 | sha512_update(&sha512_ctx, p, hdr->len - hdr_size(hdr)); |
cd14cc10 | 198 | |
546dfd9f | 199 | if (memcmp(vh->sha512, sha512_ctx.buf, sizeof(sha512))) { |
cd14cc10 | 200 | log_err("sha512: verify failed at %llu/%u\n", |
5ec10eaa | 201 | io_u->offset + header_num * hdr->len, hdr->len); |
546dfd9f | 202 | hexdump(vh->sha512, sizeof(vh->sha512)); |
cd14cc10 | 203 | hexdump(sha512_ctx.buf, sizeof(sha512)); |
9fd18969 | 204 | return EILSEQ; |
cd14cc10 JA |
205 | } |
206 | ||
207 | return 0; | |
208 | } | |
209 | ||
210 | static int verify_io_u_sha256(struct verify_header *hdr, struct io_u *io_u, | |
211 | unsigned int header_num) | |
212 | { | |
213 | void *p = io_u_verify_off(hdr, io_u, header_num); | |
546dfd9f | 214 | struct vhdr_sha256 *vh = hdr_priv(hdr); |
cd14cc10 JA |
215 | uint8_t sha256[128]; |
216 | struct sha256_ctx sha256_ctx = { | |
217 | .buf = sha256, | |
218 | }; | |
219 | ||
bd6f78b2 JA |
220 | dprint(FD_VERIFY, "sha256 verify io_u %p, len %u\n", io_u, hdr->len); |
221 | ||
cd14cc10 | 222 | sha256_init(&sha256_ctx); |
87677832 | 223 | sha256_update(&sha256_ctx, p, hdr->len - hdr_size(hdr)); |
cd14cc10 | 224 | |
546dfd9f | 225 | if (memcmp(vh->sha256, sha256_ctx.buf, sizeof(sha256))) { |
cd14cc10 | 226 | log_err("sha256: verify failed at %llu/%u\n", |
5ec10eaa | 227 | io_u->offset + header_num * hdr->len, hdr->len); |
546dfd9f | 228 | hexdump(vh->sha256, sizeof(vh->sha256)); |
cd14cc10 | 229 | hexdump(sha256_ctx.buf, sizeof(sha256)); |
9fd18969 | 230 | return EILSEQ; |
cd14cc10 JA |
231 | } |
232 | ||
233 | return 0; | |
234 | } | |
235 | ||
7c353ceb JA |
236 | static int verify_io_u_sha1(struct verify_header *hdr, struct io_u *io_u, |
237 | unsigned int header_num) | |
238 | { | |
239 | void *p = io_u_verify_off(hdr, io_u, header_num); | |
240 | struct vhdr_sha1 *vh = hdr_priv(hdr); | |
241 | uint32_t sha1[5]; | |
242 | struct sha1_ctx sha1_ctx = { | |
243 | .H = sha1, | |
244 | }; | |
245 | ||
246 | dprint(FD_VERIFY, "sha1 verify io_u %p, len %u\n", io_u, hdr->len); | |
247 | ||
248 | sha1_init(&sha1_ctx); | |
249 | sha1_update(&sha1_ctx, p, hdr->len - hdr_size(hdr)); | |
250 | ||
251 | if (memcmp(vh->sha1, sha1_ctx.H, sizeof(sha1))) { | |
252 | log_err("sha1: verify failed at %llu/%u\n", | |
253 | io_u->offset + header_num * hdr->len, hdr->len); | |
254 | hexdump(vh->sha1, sizeof(vh->sha1)); | |
255 | hexdump(sha1_ctx.H, sizeof(sha1)); | |
256 | return EILSEQ; | |
257 | } | |
258 | ||
259 | return 0; | |
260 | } | |
261 | ||
3f9f4e26 | 262 | static int verify_io_u_crc7(struct verify_header *hdr, struct io_u *io_u, |
5ec10eaa | 263 | unsigned char header_num) |
1e154bdb | 264 | { |
d9f2caf3 | 265 | void *p = io_u_verify_off(hdr, io_u, header_num); |
546dfd9f | 266 | struct vhdr_crc7 *vh = hdr_priv(hdr); |
1e154bdb JA |
267 | unsigned char c; |
268 | ||
bd6f78b2 JA |
269 | dprint(FD_VERIFY, "crc7 verify io_u %p, len %u\n", io_u, hdr->len); |
270 | ||
87677832 | 271 | c = crc7(p, hdr->len - hdr_size(hdr)); |
1e154bdb | 272 | |
546dfd9f | 273 | if (c != vh->crc7) { |
3f9f4e26 | 274 | log_err("crc7: verify failed at %llu/%u\n", |
5ec10eaa | 275 | io_u->offset + header_num * hdr->len, hdr->len); |
546dfd9f | 276 | log_err("crc7: wanted %x, got %x\n", vh->crc7, c); |
9fd18969 | 277 | return EILSEQ; |
1e154bdb JA |
278 | } |
279 | ||
280 | return 0; | |
281 | } | |
282 | ||
3f9f4e26 | 283 | static int verify_io_u_crc16(struct verify_header *hdr, struct io_u *io_u, |
5ec10eaa | 284 | unsigned int header_num) |
969f7ed3 | 285 | { |
d9f2caf3 | 286 | void *p = io_u_verify_off(hdr, io_u, header_num); |
546dfd9f | 287 | struct vhdr_crc16 *vh = hdr_priv(hdr); |
969f7ed3 JA |
288 | unsigned short c; |
289 | ||
bd6f78b2 JA |
290 | dprint(FD_VERIFY, "crc16 verify io_u %p, len %u\n", io_u, hdr->len); |
291 | ||
87677832 | 292 | c = crc16(p, hdr->len - hdr_size(hdr)); |
969f7ed3 | 293 | |
546dfd9f | 294 | if (c != vh->crc16) { |
3f9f4e26 | 295 | log_err("crc16: verify failed at %llu/%u\n", |
5ec10eaa | 296 | io_u->offset + header_num * hdr->len, hdr->len); |
546dfd9f | 297 | log_err("crc16: wanted %x, got %x\n", vh->crc16, c); |
9fd18969 | 298 | return EILSEQ; |
969f7ed3 JA |
299 | } |
300 | ||
301 | return 0; | |
302 | } | |
303 | ||
3f9f4e26 | 304 | static int verify_io_u_crc64(struct verify_header *hdr, struct io_u *io_u, |
5ec10eaa | 305 | unsigned int header_num) |
d77a7af3 | 306 | { |
d9f2caf3 | 307 | void *p = io_u_verify_off(hdr, io_u, header_num); |
546dfd9f | 308 | struct vhdr_crc64 *vh = hdr_priv(hdr); |
d77a7af3 JA |
309 | unsigned long long c; |
310 | ||
bd6f78b2 JA |
311 | dprint(FD_VERIFY, "crc64 verify io_u %p, len %u\n", io_u, hdr->len); |
312 | ||
87677832 | 313 | c = crc64(p, hdr->len - hdr_size(hdr)); |
d77a7af3 | 314 | |
546dfd9f | 315 | if (c != vh->crc64) { |
3f9f4e26 SL |
316 | log_err("crc64: verify failed at %llu/%u\n", |
317 | io_u->offset + header_num * hdr->len, | |
318 | hdr->len); | |
5ec10eaa JA |
319 | log_err("crc64: wanted %llx, got %llx\n", |
320 | (unsigned long long) vh->crc64, c); | |
9fd18969 | 321 | return EILSEQ; |
d77a7af3 JA |
322 | } |
323 | ||
324 | return 0; | |
325 | } | |
326 | ||
3f9f4e26 | 327 | static int verify_io_u_crc32(struct verify_header *hdr, struct io_u *io_u, |
5ec10eaa | 328 | unsigned int header_num) |
e29d1b70 | 329 | { |
d9f2caf3 | 330 | void *p = io_u_verify_off(hdr, io_u, header_num); |
546dfd9f JA |
331 | struct vhdr_crc32 *vh = hdr_priv(hdr); |
332 | uint32_t c; | |
e29d1b70 | 333 | |
bd6f78b2 JA |
334 | dprint(FD_VERIFY, "crc32 verify io_u %p, len %u\n", io_u, hdr->len); |
335 | ||
87677832 | 336 | c = crc32(p, hdr->len - hdr_size(hdr)); |
e29d1b70 | 337 | |
546dfd9f | 338 | if (c != vh->crc32) { |
3f9f4e26 | 339 | log_err("crc32: verify failed at %llu/%u\n", |
5ec10eaa | 340 | io_u->offset + header_num * hdr->len, hdr->len); |
546dfd9f | 341 | log_err("crc32: wanted %x, got %x\n", vh->crc32, c); |
9fd18969 | 342 | return EILSEQ; |
e29d1b70 JA |
343 | } |
344 | ||
345 | return 0; | |
346 | } | |
347 | ||
bac39e0e JA |
348 | static int verify_io_u_crc32c(struct verify_header *hdr, struct io_u *io_u, |
349 | unsigned int header_num) | |
350 | { | |
351 | void *p = io_u_verify_off(hdr, io_u, header_num); | |
352 | struct vhdr_crc32 *vh = hdr_priv(hdr); | |
353 | uint32_t c; | |
354 | ||
355 | dprint(FD_VERIFY, "crc32c verify io_u %p, len %u\n", io_u, hdr->len); | |
356 | ||
3845591f JA |
357 | if (hdr->verify_type == VERIFY_CRC32C_INTEL) |
358 | c = crc32c_intel(p, hdr->len - hdr_size(hdr)); | |
359 | else | |
360 | c = crc32c(p, hdr->len - hdr_size(hdr)); | |
bac39e0e JA |
361 | |
362 | if (c != vh->crc32) { | |
363 | log_err("crc32c: verify failed at %llu/%u\n", | |
364 | io_u->offset + header_num * hdr->len, hdr->len); | |
365 | log_err("crc32c: wanted %x, got %x\n", vh->crc32, c); | |
9fd18969 | 366 | return EILSEQ; |
bac39e0e JA |
367 | } |
368 | ||
369 | return 0; | |
370 | } | |
371 | ||
3f9f4e26 | 372 | static int verify_io_u_md5(struct verify_header *hdr, struct io_u *io_u, |
5ec10eaa | 373 | unsigned int header_num) |
e29d1b70 | 374 | { |
d9f2caf3 | 375 | void *p = io_u_verify_off(hdr, io_u, header_num); |
546dfd9f | 376 | struct vhdr_md5 *vh = hdr_priv(hdr); |
8c432325 JA |
377 | uint32_t hash[MD5_HASH_WORDS]; |
378 | struct md5_ctx md5_ctx = { | |
379 | .hash = hash, | |
380 | }; | |
e29d1b70 | 381 | |
bd6f78b2 JA |
382 | dprint(FD_VERIFY, "md5 verify io_u %p, len %u\n", io_u, hdr->len); |
383 | ||
61f821f1 | 384 | md5_init(&md5_ctx); |
87677832 | 385 | md5_update(&md5_ctx, p, hdr->len - hdr_size(hdr)); |
e29d1b70 | 386 | |
546dfd9f | 387 | if (memcmp(vh->md5_digest, md5_ctx.hash, sizeof(hash))) { |
3f9f4e26 | 388 | log_err("md5: verify failed at %llu/%u\n", |
5ec10eaa | 389 | io_u->offset + header_num * hdr->len, hdr->len); |
546dfd9f | 390 | hexdump(vh->md5_digest, sizeof(vh->md5_digest)); |
8c432325 | 391 | hexdump(md5_ctx.hash, sizeof(hash)); |
9fd18969 | 392 | return EILSEQ; |
e29d1b70 JA |
393 | } |
394 | ||
395 | return 0; | |
396 | } | |
397 | ||
3f199b01 JA |
398 | static unsigned int hweight8(unsigned int w) |
399 | { | |
400 | unsigned int res = w - ((w >> 1) & 0x55); | |
401 | ||
402 | res = (res & 0x33) + ((res >> 2) & 0x33); | |
403 | return (res + (res >> 4)) & 0x0F; | |
404 | } | |
405 | ||
0e92f873 | 406 | int verify_io_u_pattern(char *pattern, unsigned long pattern_size, |
5ec10eaa | 407 | char *buf, unsigned int len, unsigned int mod) |
a944e335 SL |
408 | { |
409 | unsigned int i; | |
a944e335 SL |
410 | |
411 | for (i = 0; i < len; i++) { | |
0e92f873 | 412 | if (buf[i] != pattern[mod]) { |
3f199b01 JA |
413 | unsigned int bits; |
414 | ||
0e92f873 | 415 | bits = hweight8(buf[i] ^ pattern[mod]); |
3f199b01 | 416 | log_err("fio: got pattern %x, wanted %x. Bad bits %d\n", |
0e92f873 | 417 | buf[i], pattern[mod], bits); |
3f199b01 | 418 | log_err("fio: bad pattern block offset %u\n", i); |
9fd18969 | 419 | return EILSEQ; |
3f199b01 | 420 | } |
a944e335 SL |
421 | mod++; |
422 | if (mod == pattern_size) | |
423 | mod = 0; | |
424 | } | |
425 | ||
426 | return 0; | |
427 | } | |
428 | ||
e8462bd8 JA |
429 | /* |
430 | * Push IO verification to a separate thread | |
431 | */ | |
432 | int verify_io_u_async(struct thread_data *td, struct io_u *io_u) | |
433 | { | |
434 | if (io_u->file) | |
435 | put_file_log(td, io_u->file); | |
436 | ||
437 | io_u->file = NULL; | |
438 | ||
439 | pthread_mutex_lock(&td->io_u_lock); | |
0c41214f RR |
440 | |
441 | if (io_u->flags & IO_U_F_IN_CUR_DEPTH) { | |
442 | td->cur_depth--; | |
443 | io_u->flags &= ~IO_U_F_IN_CUR_DEPTH; | |
444 | } | |
e8462bd8 JA |
445 | flist_del(&io_u->list); |
446 | flist_add_tail(&io_u->list, &td->verify_list); | |
2ecc1b57 | 447 | io_u->flags |= IO_U_F_FREE_DEF; |
e8462bd8 JA |
448 | pthread_mutex_unlock(&td->io_u_lock); |
449 | ||
450 | pthread_cond_signal(&td->verify_cond); | |
e8462bd8 JA |
451 | return 0; |
452 | } | |
453 | ||
36690c9b | 454 | int verify_io_u(struct thread_data *td, struct io_u *io_u) |
e29d1b70 | 455 | { |
3f9f4e26 | 456 | struct verify_header *hdr; |
a944e335 | 457 | unsigned int hdr_size, hdr_inc, hdr_num = 0; |
95646108 | 458 | void *p; |
e29d1b70 JA |
459 | int ret; |
460 | ||
1dcc0498 | 461 | if (td->o.verify == VERIFY_NULL || io_u->ddir != DDIR_READ) |
36690c9b JA |
462 | return 0; |
463 | ||
3f9f4e26 | 464 | hdr_inc = io_u->buflen; |
a59e170d JA |
465 | if (td->o.verify_interval) |
466 | hdr_inc = td->o.verify_interval; | |
e29d1b70 | 467 | |
a12a3b4d | 468 | ret = 0; |
5ec10eaa JA |
469 | for (p = io_u->buf; p < io_u->buf + io_u->buflen; |
470 | p += hdr_inc, hdr_num++) { | |
a12a3b4d JA |
471 | if (ret && td->o.verify_fatal) { |
472 | td->terminate = 1; | |
473 | break; | |
474 | } | |
a944e335 | 475 | hdr_size = __hdr_size(td->o.verify); |
a59e170d | 476 | if (td->o.verify_offset) |
a944e335 | 477 | memswp(p, p + td->o.verify_offset, hdr_size); |
95646108 | 478 | hdr = p; |
e29d1b70 | 479 | |
3f199b01 | 480 | if (hdr->fio_magic != FIO_HDR_MAGIC) { |
b7a3e661 RR |
481 | log_err("Bad verify header %x at %llu\n", |
482 | hdr->fio_magic, | |
483 | io_u->offset + hdr_num * hdr->len); | |
9fd18969 | 484 | return EILSEQ; |
3f199b01 JA |
485 | } |
486 | ||
e28218f3 | 487 | if (td->o.verify_pattern_bytes) { |
bd6f78b2 JA |
488 | dprint(FD_VERIFY, "pattern verify io_u %p, len %u\n", |
489 | io_u, hdr->len); | |
e28218f3 | 490 | ret = verify_io_u_pattern(td->o.verify_pattern, |
0e92f873 RR |
491 | td->o.verify_pattern_bytes, |
492 | p + hdr_size, | |
493 | hdr_inc - hdr_size, | |
494 | hdr_size % td->o.verify_pattern_bytes); | |
e92d3d71 RR |
495 | /* |
496 | * Also verify the meta data, if applicable | |
497 | */ | |
498 | if (hdr->verify_type == VERIFY_META) | |
499 | ret |= verify_io_u_meta(hdr, td, io_u, hdr_num); | |
500 | ||
e28218f3 SL |
501 | if (ret) |
502 | log_err("fio: verify failed at %llu/%u\n", | |
503 | io_u->offset + hdr_num * hdr->len, | |
504 | hdr->len); | |
505 | continue; | |
506 | } | |
507 | ||
3f9f4e26 SL |
508 | switch (hdr->verify_type) { |
509 | case VERIFY_MD5: | |
510 | ret = verify_io_u_md5(hdr, io_u, hdr_num); | |
511 | break; | |
512 | case VERIFY_CRC64: | |
513 | ret = verify_io_u_crc64(hdr, io_u, hdr_num); | |
514 | break; | |
bac39e0e | 515 | case VERIFY_CRC32C: |
3845591f | 516 | case VERIFY_CRC32C_INTEL: |
bac39e0e JA |
517 | ret = verify_io_u_crc32c(hdr, io_u, hdr_num); |
518 | break; | |
3f9f4e26 SL |
519 | case VERIFY_CRC32: |
520 | ret = verify_io_u_crc32(hdr, io_u, hdr_num); | |
521 | break; | |
522 | case VERIFY_CRC16: | |
523 | ret = verify_io_u_crc16(hdr, io_u, hdr_num); | |
524 | break; | |
525 | case VERIFY_CRC7: | |
526 | ret = verify_io_u_crc7(hdr, io_u, hdr_num); | |
527 | break; | |
cd14cc10 JA |
528 | case VERIFY_SHA256: |
529 | ret = verify_io_u_sha256(hdr, io_u, hdr_num); | |
530 | break; | |
531 | case VERIFY_SHA512: | |
532 | ret = verify_io_u_sha512(hdr, io_u, hdr_num); | |
533 | break; | |
7437ee87 SL |
534 | case VERIFY_META: |
535 | ret = verify_io_u_meta(hdr, td, io_u, hdr_num); | |
536 | break; | |
7c353ceb JA |
537 | case VERIFY_SHA1: |
538 | ret = verify_io_u_sha1(hdr, io_u, hdr_num); | |
539 | break; | |
3f9f4e26 SL |
540 | default: |
541 | log_err("Bad verify type %u\n", hdr->verify_type); | |
d16d4e09 | 542 | ret = EINVAL; |
3f9f4e26 | 543 | } |
3f9f4e26 | 544 | } |
a7dfe862 | 545 | |
a12a3b4d | 546 | return ret; |
e29d1b70 JA |
547 | } |
548 | ||
7437ee87 | 549 | static void fill_meta(struct verify_header *hdr, struct thread_data *td, |
5ec10eaa | 550 | struct io_u *io_u, unsigned int header_num) |
7437ee87 SL |
551 | { |
552 | struct vhdr_meta *vh = hdr_priv(hdr); | |
553 | ||
554 | vh->thread = td->thread_number; | |
555 | ||
556 | vh->time_sec = io_u->start_time.tv_sec; | |
557 | vh->time_usec = io_u->start_time.tv_usec; | |
558 | ||
559 | vh->numberio = td->io_issues[DDIR_WRITE]; | |
560 | ||
561 | vh->offset = io_u->offset + header_num * td->o.verify_interval; | |
562 | } | |
563 | ||
cd14cc10 JA |
564 | static void fill_sha512(struct verify_header *hdr, void *p, unsigned int len) |
565 | { | |
546dfd9f | 566 | struct vhdr_sha512 *vh = hdr_priv(hdr); |
cd14cc10 | 567 | struct sha512_ctx sha512_ctx = { |
546dfd9f | 568 | .buf = vh->sha512, |
cd14cc10 JA |
569 | }; |
570 | ||
571 | sha512_init(&sha512_ctx); | |
572 | sha512_update(&sha512_ctx, p, len); | |
573 | } | |
574 | ||
575 | static void fill_sha256(struct verify_header *hdr, void *p, unsigned int len) | |
576 | { | |
546dfd9f | 577 | struct vhdr_sha256 *vh = hdr_priv(hdr); |
cd14cc10 | 578 | struct sha256_ctx sha256_ctx = { |
546dfd9f | 579 | .buf = vh->sha256, |
cd14cc10 JA |
580 | }; |
581 | ||
582 | sha256_init(&sha256_ctx); | |
583 | sha256_update(&sha256_ctx, p, len); | |
584 | } | |
585 | ||
7c353ceb JA |
586 | static void fill_sha1(struct verify_header *hdr, void *p, unsigned int len) |
587 | { | |
588 | struct vhdr_sha1 *vh = hdr_priv(hdr); | |
589 | struct sha1_ctx sha1_ctx = { | |
590 | .H = vh->sha1, | |
591 | }; | |
592 | ||
593 | sha1_init(&sha1_ctx); | |
594 | sha1_update(&sha1_ctx, p, len); | |
595 | } | |
596 | ||
1e154bdb JA |
597 | static void fill_crc7(struct verify_header *hdr, void *p, unsigned int len) |
598 | { | |
546dfd9f JA |
599 | struct vhdr_crc7 *vh = hdr_priv(hdr); |
600 | ||
601 | vh->crc7 = crc7(p, len); | |
1e154bdb JA |
602 | } |
603 | ||
969f7ed3 JA |
604 | static void fill_crc16(struct verify_header *hdr, void *p, unsigned int len) |
605 | { | |
546dfd9f JA |
606 | struct vhdr_crc16 *vh = hdr_priv(hdr); |
607 | ||
608 | vh->crc16 = crc16(p, len); | |
969f7ed3 JA |
609 | } |
610 | ||
e29d1b70 JA |
611 | static void fill_crc32(struct verify_header *hdr, void *p, unsigned int len) |
612 | { | |
546dfd9f JA |
613 | struct vhdr_crc32 *vh = hdr_priv(hdr); |
614 | ||
615 | vh->crc32 = crc32(p, len); | |
e29d1b70 JA |
616 | } |
617 | ||
bac39e0e JA |
618 | static void fill_crc32c(struct verify_header *hdr, void *p, unsigned int len) |
619 | { | |
620 | struct vhdr_crc32 *vh = hdr_priv(hdr); | |
621 | ||
3845591f JA |
622 | if (hdr->verify_type == VERIFY_CRC32C_INTEL) |
623 | vh->crc32 = crc32c_intel(p, len); | |
624 | else | |
625 | vh->crc32 = crc32c(p, len); | |
bac39e0e JA |
626 | } |
627 | ||
d77a7af3 JA |
628 | static void fill_crc64(struct verify_header *hdr, void *p, unsigned int len) |
629 | { | |
546dfd9f JA |
630 | struct vhdr_crc64 *vh = hdr_priv(hdr); |
631 | ||
632 | vh->crc64 = crc64(p, len); | |
d77a7af3 JA |
633 | } |
634 | ||
e29d1b70 JA |
635 | static void fill_md5(struct verify_header *hdr, void *p, unsigned int len) |
636 | { | |
546dfd9f | 637 | struct vhdr_md5 *vh = hdr_priv(hdr); |
8c432325 | 638 | struct md5_ctx md5_ctx = { |
546dfd9f | 639 | .hash = (uint32_t *) vh->md5_digest, |
8c432325 | 640 | }; |
e29d1b70 | 641 | |
61f821f1 | 642 | md5_init(&md5_ctx); |
e29d1b70 | 643 | md5_update(&md5_ctx, p, len); |
e29d1b70 JA |
644 | } |
645 | ||
646 | /* | |
647 | * fill body of io_u->buf with random data and add a header with the | |
648 | * crc32 or md5 sum of that data. | |
649 | */ | |
650 | void populate_verify_io_u(struct thread_data *td, struct io_u *io_u) | |
651 | { | |
baefa9be | 652 | struct verify_header *hdr; |
95646108 | 653 | void *p = io_u->buf, *data; |
7437ee87 | 654 | unsigned int hdr_inc, data_len, header_num = 0; |
e29d1b70 | 655 | |
9cc3d150 JA |
656 | if (td->o.verify == VERIFY_NULL) |
657 | return; | |
658 | ||
90059d65 | 659 | fill_pattern(td, p, io_u->buflen); |
546a9142 SL |
660 | |
661 | hdr_inc = io_u->buflen; | |
a59e170d JA |
662 | if (td->o.verify_interval) |
663 | hdr_inc = td->o.verify_interval; | |
baefa9be | 664 | |
5ec10eaa | 665 | for (; p < io_u->buf + io_u->buflen; p += hdr_inc) { |
95646108 | 666 | hdr = p; |
3f9f4e26 SL |
667 | |
668 | hdr->fio_magic = FIO_HDR_MAGIC; | |
669 | hdr->verify_type = td->o.verify; | |
546a9142 | 670 | hdr->len = hdr_inc; |
87677832 | 671 | data_len = hdr_inc - hdr_size(hdr); |
3f9f4e26 | 672 | |
87677832 | 673 | data = p + hdr_size(hdr); |
3f9f4e26 SL |
674 | switch (td->o.verify) { |
675 | case VERIFY_MD5: | |
bd6f78b2 JA |
676 | dprint(FD_VERIFY, "fill md5 io_u %p, len %u\n", |
677 | io_u, hdr->len); | |
3f9f4e26 SL |
678 | fill_md5(hdr, data, data_len); |
679 | break; | |
680 | case VERIFY_CRC64: | |
bd6f78b2 JA |
681 | dprint(FD_VERIFY, "fill crc64 io_u %p, len %u\n", |
682 | io_u, hdr->len); | |
3f9f4e26 SL |
683 | fill_crc64(hdr, data, data_len); |
684 | break; | |
bac39e0e | 685 | case VERIFY_CRC32C: |
3845591f | 686 | case VERIFY_CRC32C_INTEL: |
bac39e0e JA |
687 | dprint(FD_VERIFY, "fill crc32c io_u %p, len %u\n", |
688 | io_u, hdr->len); | |
689 | fill_crc32c(hdr, data, data_len); | |
690 | break; | |
3f9f4e26 | 691 | case VERIFY_CRC32: |
bd6f78b2 JA |
692 | dprint(FD_VERIFY, "fill crc32 io_u %p, len %u\n", |
693 | io_u, hdr->len); | |
3f9f4e26 SL |
694 | fill_crc32(hdr, data, data_len); |
695 | break; | |
696 | case VERIFY_CRC16: | |
bd6f78b2 JA |
697 | dprint(FD_VERIFY, "fill crc16 io_u %p, len %u\n", |
698 | io_u, hdr->len); | |
3f9f4e26 SL |
699 | fill_crc16(hdr, data, data_len); |
700 | break; | |
701 | case VERIFY_CRC7: | |
bd6f78b2 JA |
702 | dprint(FD_VERIFY, "fill crc7 io_u %p, len %u\n", |
703 | io_u, hdr->len); | |
3f9f4e26 SL |
704 | fill_crc7(hdr, data, data_len); |
705 | break; | |
cd14cc10 | 706 | case VERIFY_SHA256: |
bd6f78b2 JA |
707 | dprint(FD_VERIFY, "fill sha256 io_u %p, len %u\n", |
708 | io_u, hdr->len); | |
cd14cc10 JA |
709 | fill_sha256(hdr, data, data_len); |
710 | break; | |
711 | case VERIFY_SHA512: | |
bd6f78b2 JA |
712 | dprint(FD_VERIFY, "fill sha512 io_u %p, len %u\n", |
713 | io_u, hdr->len); | |
cd14cc10 JA |
714 | fill_sha512(hdr, data, data_len); |
715 | break; | |
7437ee87 | 716 | case VERIFY_META: |
bd6f78b2 JA |
717 | dprint(FD_VERIFY, "fill meta io_u %p, len %u\n", |
718 | io_u, hdr->len); | |
7437ee87 SL |
719 | fill_meta(hdr, td, io_u, header_num); |
720 | break; | |
7c353ceb JA |
721 | case VERIFY_SHA1: |
722 | dprint(FD_VERIFY, "fill sha1 io_u %p, len %u\n", | |
723 | io_u, hdr->len); | |
724 | fill_sha1(hdr, data, data_len); | |
725 | break; | |
3f9f4e26 SL |
726 | default: |
727 | log_err("fio: bad verify type: %d\n", td->o.verify); | |
728 | assert(0); | |
729 | } | |
a59e170d | 730 | if (td->o.verify_offset) |
87677832 | 731 | memswp(p, p + td->o.verify_offset, hdr_size(hdr)); |
7437ee87 | 732 | header_num++; |
e29d1b70 | 733 | } |
e29d1b70 JA |
734 | } |
735 | ||
736 | int get_next_verify(struct thread_data *td, struct io_u *io_u) | |
737 | { | |
8de8f047 | 738 | struct io_piece *ipo = NULL; |
e29d1b70 | 739 | |
d2d7fa53 JA |
740 | /* |
741 | * this io_u is from a requeue, we already filled the offsets | |
742 | */ | |
743 | if (io_u->file) | |
744 | return 0; | |
745 | ||
8de8f047 JA |
746 | if (!RB_EMPTY_ROOT(&td->io_hist_tree)) { |
747 | struct rb_node *n = rb_first(&td->io_hist_tree); | |
e29d1b70 | 748 | |
8de8f047 | 749 | ipo = rb_entry(n, struct io_piece, rb_node); |
4b87898e | 750 | rb_erase(n, &td->io_hist_tree); |
01743ee1 JA |
751 | } else if (!flist_empty(&td->io_hist_list)) { |
752 | ipo = flist_entry(td->io_hist_list.next, struct io_piece, list); | |
753 | flist_del(&ipo->list); | |
8de8f047 | 754 | } |
e29d1b70 | 755 | |
8de8f047 | 756 | if (ipo) { |
e29d1b70 JA |
757 | io_u->offset = ipo->offset; |
758 | io_u->buflen = ipo->len; | |
36167d82 | 759 | io_u->file = ipo->file; |
97af62ce | 760 | |
d6aed795 | 761 | if (!fio_file_open(io_u->file)) { |
97af62ce JA |
762 | int r = td_io_open_file(td, io_u->file); |
763 | ||
bd6f78b2 JA |
764 | if (r) { |
765 | dprint(FD_VERIFY, "failed file %s open\n", | |
766 | io_u->file->file_name); | |
97af62ce | 767 | return 1; |
bd6f78b2 | 768 | } |
97af62ce JA |
769 | } |
770 | ||
771 | get_file(ipo->file); | |
d6aed795 | 772 | assert(fio_file_open(io_u->file)); |
e29d1b70 | 773 | io_u->ddir = DDIR_READ; |
36167d82 JA |
774 | io_u->xfer_buf = io_u->buf; |
775 | io_u->xfer_buflen = io_u->buflen; | |
e29d1b70 | 776 | free(ipo); |
bd6f78b2 | 777 | dprint(FD_VERIFY, "get_next_verify: ret io_u %p\n", io_u); |
e29d1b70 JA |
778 | return 0; |
779 | } | |
780 | ||
bd6f78b2 | 781 | dprint(FD_VERIFY, "get_next_verify: empty\n"); |
e29d1b70 JA |
782 | return 1; |
783 | } | |
e8462bd8 JA |
784 | |
785 | static void *verify_async_thread(void *data) | |
786 | { | |
787 | struct thread_data *td = data; | |
788 | struct io_u *io_u; | |
789 | int ret = 0; | |
790 | ||
791 | if (td->o.verify_cpumask_set && | |
792 | fio_setaffinity(td->pid, td->o.verify_cpumask)) { | |
793 | log_err("fio: failed setting verify thread affinity\n"); | |
794 | goto done; | |
795 | } | |
796 | ||
797 | do { | |
e53ab27c JA |
798 | FLIST_HEAD(list); |
799 | ||
e8462bd8 JA |
800 | read_barrier(); |
801 | if (td->verify_thread_exit) | |
802 | break; | |
803 | ||
804 | pthread_mutex_lock(&td->io_u_lock); | |
805 | ||
806 | while (flist_empty(&td->verify_list) && | |
807 | !td->verify_thread_exit) { | |
b36e298b JA |
808 | ret = pthread_cond_wait(&td->verify_cond, |
809 | &td->io_u_lock); | |
e8462bd8 JA |
810 | if (ret) { |
811 | pthread_mutex_unlock(&td->io_u_lock); | |
812 | break; | |
813 | } | |
814 | } | |
815 | ||
e53ab27c JA |
816 | flist_splice_init(&td->verify_list, &list); |
817 | pthread_mutex_unlock(&td->io_u_lock); | |
818 | ||
819 | if (flist_empty(&list)) | |
e8462bd8 | 820 | continue; |
e8462bd8 | 821 | |
e53ab27c JA |
822 | while (!flist_empty(&list)) { |
823 | io_u = flist_entry(list.next, struct io_u, list); | |
824 | flist_del_init(&io_u->list); | |
e8462bd8 | 825 | |
d561f2ab | 826 | ret = verify_io_u(td, io_u); |
e53ab27c | 827 | put_io_u(td, io_u); |
d561f2ab JA |
828 | if (!ret) |
829 | continue; | |
830 | if (td->o.continue_on_error && | |
831 | td_non_fatal_error(ret)) { | |
832 | update_error_count(td, ret); | |
833 | td_clear_error(td); | |
834 | ret = 0; | |
835 | } | |
e53ab27c | 836 | } |
e8462bd8 JA |
837 | } while (!ret); |
838 | ||
d561f2ab JA |
839 | if (ret) { |
840 | td_verror(td, ret, "async_verify"); | |
841 | td->terminate = 1; | |
842 | } | |
843 | ||
e8462bd8 JA |
844 | done: |
845 | pthread_mutex_lock(&td->io_u_lock); | |
846 | td->nr_verify_threads--; | |
847 | pthread_mutex_unlock(&td->io_u_lock); | |
848 | ||
849 | pthread_cond_signal(&td->free_cond); | |
850 | return NULL; | |
851 | } | |
852 | ||
853 | int verify_async_init(struct thread_data *td) | |
854 | { | |
855 | int i, ret; | |
856 | ||
857 | td->verify_thread_exit = 0; | |
858 | ||
859 | td->verify_threads = malloc(sizeof(pthread_t) * td->o.verify_async); | |
860 | for (i = 0; i < td->o.verify_async; i++) { | |
861 | ret = pthread_create(&td->verify_threads[i], NULL, | |
862 | verify_async_thread, td); | |
863 | if (ret) { | |
864 | log_err("fio: async verify creation failed: %s\n", | |
865 | strerror(ret)); | |
866 | break; | |
867 | } | |
868 | ret = pthread_detach(td->verify_threads[i]); | |
869 | if (ret) { | |
870 | log_err("fio: async verify thread detach failed: %s\n", | |
871 | strerror(ret)); | |
872 | break; | |
873 | } | |
874 | td->nr_verify_threads++; | |
875 | } | |
876 | ||
877 | if (i != td->o.verify_async) { | |
e40823b1 | 878 | log_err("fio: only %d verify threads started, exiting\n", i); |
e8462bd8 JA |
879 | td->verify_thread_exit = 1; |
880 | write_barrier(); | |
881 | pthread_cond_broadcast(&td->verify_cond); | |
882 | return 1; | |
883 | } | |
884 | ||
885 | return 0; | |
886 | } | |
887 | ||
888 | void verify_async_exit(struct thread_data *td) | |
889 | { | |
890 | td->verify_thread_exit = 1; | |
891 | write_barrier(); | |
892 | pthread_cond_broadcast(&td->verify_cond); | |
893 | ||
894 | pthread_mutex_lock(&td->io_u_lock); | |
895 | ||
896 | while (td->nr_verify_threads) | |
897 | pthread_cond_wait(&td->free_cond, &td->io_u_lock); | |
898 | ||
899 | pthread_mutex_unlock(&td->io_u_lock); | |
900 | free(td->verify_threads); | |
901 | td->verify_threads = NULL; | |
902 | } |