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" | |
cd14cc10 | 22 | |
90059d65 | 23 | static void fill_random_bytes(struct thread_data *td, void *p, unsigned int len) |
e29d1b70 JA |
24 | { |
25 | unsigned int todo; | |
4c5946c6 | 26 | int r; |
e29d1b70 JA |
27 | |
28 | while (len) { | |
4c5946c6 | 29 | r = os_random_long(&td->verify_state); |
e29d1b70 JA |
30 | |
31 | /* | |
32 | * lrand48_r seems to be broken and only fill the bottom | |
33 | * 32-bits, even on 64-bit archs with 64-bit longs | |
34 | */ | |
35 | todo = sizeof(r); | |
36 | if (todo > len) | |
37 | todo = len; | |
38 | ||
39 | memcpy(p, &r, todo); | |
40 | ||
41 | len -= todo; | |
42 | p += todo; | |
43 | } | |
44 | } | |
45 | ||
90059d65 JA |
46 | static void fill_pattern(struct thread_data *td, void *p, unsigned int len) |
47 | { | |
48 | switch (td->o.verify_pattern_bytes) { | |
49 | case 0: | |
bd6f78b2 | 50 | dprint(FD_VERIFY, "fill random bytes len=%u\n", len); |
90059d65 JA |
51 | fill_random_bytes(td, p, len); |
52 | break; | |
53 | case 1: | |
bd6f78b2 | 54 | dprint(FD_VERIFY, "fill verify pattern b=0 len=%u\n", len); |
90059d65 JA |
55 | memset(p, td->o.verify_pattern, len); |
56 | break; | |
57 | case 2: | |
58 | case 3: | |
59 | case 4: { | |
60 | unsigned int pattern = td->o.verify_pattern; | |
61 | unsigned int i = 0; | |
62 | unsigned char c1, c2, c3, c4; | |
63 | unsigned char *b = p; | |
64 | ||
bd6f78b2 JA |
65 | dprint(FD_VERIFY, "fill verify pattern b=%d len=%u\n", |
66 | td->o.verify_pattern_bytes, len); | |
67 | ||
90059d65 JA |
68 | c1 = pattern & 0xff; |
69 | pattern >>= 8; | |
70 | c2 = pattern & 0xff; | |
71 | pattern >>= 8; | |
72 | c3 = pattern & 0xff; | |
73 | pattern >>= 8; | |
74 | c4 = pattern & 0xff; | |
75 | ||
76 | while (i < len) { | |
77 | b[i++] = c1; | |
78 | if (i == len) | |
79 | break; | |
80 | b[i++] = c2; | |
81 | if (td->o.verify_pattern_bytes == 2 || i == len) | |
82 | continue; | |
83 | b[i++] = c3; | |
84 | if (td->o.verify_pattern_bytes == 3 || i == len) | |
85 | continue; | |
86 | b[i++] = c4; | |
87 | } | |
88 | break; | |
89 | } | |
90 | } | |
91 | } | |
92 | ||
4764aec9 | 93 | static void memswp(void *buf1, void *buf2, unsigned int len) |
546a9142 | 94 | { |
dee6de74 SL |
95 | char swap[200]; |
96 | ||
97 | assert(len <= sizeof(swap)); | |
90059d65 | 98 | |
546a9142 SL |
99 | memcpy(&swap, buf1, len); |
100 | memcpy(buf1, buf2, len); | |
101 | memcpy(buf2, &swap, len); | |
102 | } | |
103 | ||
e29d1b70 JA |
104 | static void hexdump(void *buffer, int len) |
105 | { | |
106 | unsigned char *p = buffer; | |
107 | int i; | |
108 | ||
109 | for (i = 0; i < len; i++) | |
6d86144d JA |
110 | log_info("%02x", p[i]); |
111 | log_info("\n"); | |
e29d1b70 JA |
112 | } |
113 | ||
87677832 JA |
114 | /* |
115 | * Prepare for seperation of verify_header and checksum header | |
116 | */ | |
546dfd9f | 117 | static inline unsigned int __hdr_size(int verify_type) |
87677832 | 118 | { |
5921e80c | 119 | unsigned int len = len; |
87677832 | 120 | |
546dfd9f JA |
121 | switch (verify_type) { |
122 | case VERIFY_NONE: | |
123 | case VERIFY_NULL: | |
124 | len = 0; | |
125 | break; | |
126 | case VERIFY_MD5: | |
127 | len = sizeof(struct vhdr_md5); | |
128 | break; | |
129 | case VERIFY_CRC64: | |
130 | len = sizeof(struct vhdr_crc64); | |
131 | break; | |
bac39e0e | 132 | case VERIFY_CRC32C: |
546dfd9f | 133 | case VERIFY_CRC32: |
3845591f | 134 | case VERIFY_CRC32C_INTEL: |
546dfd9f JA |
135 | len = sizeof(struct vhdr_crc32); |
136 | break; | |
137 | case VERIFY_CRC16: | |
138 | len = sizeof(struct vhdr_crc16); | |
139 | break; | |
140 | case VERIFY_CRC7: | |
141 | len = sizeof(struct vhdr_crc7); | |
142 | break; | |
143 | case VERIFY_SHA256: | |
144 | len = sizeof(struct vhdr_sha256); | |
145 | break; | |
146 | case VERIFY_SHA512: | |
147 | len = sizeof(struct vhdr_sha512); | |
148 | break; | |
7437ee87 SL |
149 | case VERIFY_META: |
150 | len = sizeof(struct vhdr_meta); | |
151 | break; | |
546dfd9f JA |
152 | default: |
153 | log_err("fio: unknown verify header!\n"); | |
154 | assert(0); | |
155 | } | |
156 | ||
157 | return len + sizeof(struct verify_header); | |
87677832 JA |
158 | } |
159 | ||
160 | static inline unsigned int hdr_size(struct verify_header *hdr) | |
161 | { | |
546dfd9f JA |
162 | return __hdr_size(hdr->verify_type); |
163 | } | |
164 | ||
165 | static void *hdr_priv(struct verify_header *hdr) | |
166 | { | |
167 | void *priv = hdr; | |
168 | ||
169 | return priv + sizeof(struct verify_header); | |
87677832 JA |
170 | } |
171 | ||
d9f2caf3 JA |
172 | /* |
173 | * Return data area 'header_num' | |
174 | */ | |
175 | static inline void *io_u_verify_off(struct verify_header *hdr, | |
5ec10eaa | 176 | struct io_u *io_u, unsigned char header_num) |
d9f2caf3 | 177 | { |
87677832 | 178 | return io_u->buf + header_num * hdr->len + hdr_size(hdr); |
d9f2caf3 JA |
179 | } |
180 | ||
7437ee87 | 181 | static int verify_io_u_meta(struct verify_header *hdr, struct thread_data *td, |
5ec10eaa | 182 | struct io_u *io_u, unsigned int header_num) |
7437ee87 SL |
183 | { |
184 | struct vhdr_meta *vh = hdr_priv(hdr); | |
185 | ||
bd6f78b2 JA |
186 | dprint(FD_VERIFY, "meta verify io_u %p, len %u\n", io_u, hdr->len); |
187 | ||
7437ee87 SL |
188 | if (vh->offset != io_u->offset + header_num * td->o.verify_interval) { |
189 | log_err("meta: verify failed at %llu/%u\n", | |
5ec10eaa | 190 | io_u->offset + header_num * hdr->len, hdr->len); |
9fd18969 | 191 | return EILSEQ; |
7437ee87 SL |
192 | } |
193 | ||
194 | return 0; | |
195 | } | |
196 | ||
cd14cc10 JA |
197 | static int verify_io_u_sha512(struct verify_header *hdr, struct io_u *io_u, |
198 | unsigned int header_num) | |
199 | { | |
200 | void *p = io_u_verify_off(hdr, io_u, header_num); | |
546dfd9f | 201 | struct vhdr_sha512 *vh = hdr_priv(hdr); |
cd14cc10 JA |
202 | uint8_t sha512[128]; |
203 | struct sha512_ctx sha512_ctx = { | |
204 | .buf = sha512, | |
205 | }; | |
206 | ||
bd6f78b2 JA |
207 | dprint(FD_VERIFY, "sha512 verify io_u %p, len %u\n", io_u, hdr->len); |
208 | ||
cd14cc10 | 209 | sha512_init(&sha512_ctx); |
87677832 | 210 | sha512_update(&sha512_ctx, p, hdr->len - hdr_size(hdr)); |
cd14cc10 | 211 | |
546dfd9f | 212 | if (memcmp(vh->sha512, sha512_ctx.buf, sizeof(sha512))) { |
cd14cc10 | 213 | log_err("sha512: verify failed at %llu/%u\n", |
5ec10eaa | 214 | io_u->offset + header_num * hdr->len, hdr->len); |
546dfd9f | 215 | hexdump(vh->sha512, sizeof(vh->sha512)); |
cd14cc10 | 216 | hexdump(sha512_ctx.buf, sizeof(sha512)); |
9fd18969 | 217 | return EILSEQ; |
cd14cc10 JA |
218 | } |
219 | ||
220 | return 0; | |
221 | } | |
222 | ||
223 | static int verify_io_u_sha256(struct verify_header *hdr, struct io_u *io_u, | |
224 | unsigned int header_num) | |
225 | { | |
226 | void *p = io_u_verify_off(hdr, io_u, header_num); | |
546dfd9f | 227 | struct vhdr_sha256 *vh = hdr_priv(hdr); |
cd14cc10 JA |
228 | uint8_t sha256[128]; |
229 | struct sha256_ctx sha256_ctx = { | |
230 | .buf = sha256, | |
231 | }; | |
232 | ||
bd6f78b2 JA |
233 | dprint(FD_VERIFY, "sha256 verify io_u %p, len %u\n", io_u, hdr->len); |
234 | ||
cd14cc10 | 235 | sha256_init(&sha256_ctx); |
87677832 | 236 | sha256_update(&sha256_ctx, p, hdr->len - hdr_size(hdr)); |
cd14cc10 | 237 | |
546dfd9f | 238 | if (memcmp(vh->sha256, sha256_ctx.buf, sizeof(sha256))) { |
cd14cc10 | 239 | log_err("sha256: verify failed at %llu/%u\n", |
5ec10eaa | 240 | io_u->offset + header_num * hdr->len, hdr->len); |
546dfd9f | 241 | hexdump(vh->sha256, sizeof(vh->sha256)); |
cd14cc10 | 242 | hexdump(sha256_ctx.buf, sizeof(sha256)); |
9fd18969 | 243 | return EILSEQ; |
cd14cc10 JA |
244 | } |
245 | ||
246 | return 0; | |
247 | } | |
248 | ||
3f9f4e26 | 249 | static int verify_io_u_crc7(struct verify_header *hdr, struct io_u *io_u, |
5ec10eaa | 250 | unsigned char header_num) |
1e154bdb | 251 | { |
d9f2caf3 | 252 | void *p = io_u_verify_off(hdr, io_u, header_num); |
546dfd9f | 253 | struct vhdr_crc7 *vh = hdr_priv(hdr); |
1e154bdb JA |
254 | unsigned char c; |
255 | ||
bd6f78b2 JA |
256 | dprint(FD_VERIFY, "crc7 verify io_u %p, len %u\n", io_u, hdr->len); |
257 | ||
87677832 | 258 | c = crc7(p, hdr->len - hdr_size(hdr)); |
1e154bdb | 259 | |
546dfd9f | 260 | if (c != vh->crc7) { |
3f9f4e26 | 261 | log_err("crc7: verify failed at %llu/%u\n", |
5ec10eaa | 262 | io_u->offset + header_num * hdr->len, hdr->len); |
546dfd9f | 263 | log_err("crc7: wanted %x, got %x\n", vh->crc7, c); |
9fd18969 | 264 | return EILSEQ; |
1e154bdb JA |
265 | } |
266 | ||
267 | return 0; | |
268 | } | |
269 | ||
3f9f4e26 | 270 | static int verify_io_u_crc16(struct verify_header *hdr, struct io_u *io_u, |
5ec10eaa | 271 | unsigned int header_num) |
969f7ed3 | 272 | { |
d9f2caf3 | 273 | void *p = io_u_verify_off(hdr, io_u, header_num); |
546dfd9f | 274 | struct vhdr_crc16 *vh = hdr_priv(hdr); |
969f7ed3 JA |
275 | unsigned short c; |
276 | ||
bd6f78b2 JA |
277 | dprint(FD_VERIFY, "crc16 verify io_u %p, len %u\n", io_u, hdr->len); |
278 | ||
87677832 | 279 | c = crc16(p, hdr->len - hdr_size(hdr)); |
969f7ed3 | 280 | |
546dfd9f | 281 | if (c != vh->crc16) { |
3f9f4e26 | 282 | log_err("crc16: verify failed at %llu/%u\n", |
5ec10eaa | 283 | io_u->offset + header_num * hdr->len, hdr->len); |
546dfd9f | 284 | log_err("crc16: wanted %x, got %x\n", vh->crc16, c); |
9fd18969 | 285 | return EILSEQ; |
969f7ed3 JA |
286 | } |
287 | ||
288 | return 0; | |
289 | } | |
290 | ||
3f9f4e26 | 291 | static int verify_io_u_crc64(struct verify_header *hdr, struct io_u *io_u, |
5ec10eaa | 292 | unsigned int header_num) |
d77a7af3 | 293 | { |
d9f2caf3 | 294 | void *p = io_u_verify_off(hdr, io_u, header_num); |
546dfd9f | 295 | struct vhdr_crc64 *vh = hdr_priv(hdr); |
d77a7af3 JA |
296 | unsigned long long c; |
297 | ||
bd6f78b2 JA |
298 | dprint(FD_VERIFY, "crc64 verify io_u %p, len %u\n", io_u, hdr->len); |
299 | ||
87677832 | 300 | c = crc64(p, hdr->len - hdr_size(hdr)); |
d77a7af3 | 301 | |
546dfd9f | 302 | if (c != vh->crc64) { |
3f9f4e26 SL |
303 | log_err("crc64: verify failed at %llu/%u\n", |
304 | io_u->offset + header_num * hdr->len, | |
305 | hdr->len); | |
5ec10eaa JA |
306 | log_err("crc64: wanted %llx, got %llx\n", |
307 | (unsigned long long) vh->crc64, c); | |
9fd18969 | 308 | return EILSEQ; |
d77a7af3 JA |
309 | } |
310 | ||
311 | return 0; | |
312 | } | |
313 | ||
3f9f4e26 | 314 | static int verify_io_u_crc32(struct verify_header *hdr, struct io_u *io_u, |
5ec10eaa | 315 | unsigned int header_num) |
e29d1b70 | 316 | { |
d9f2caf3 | 317 | void *p = io_u_verify_off(hdr, io_u, header_num); |
546dfd9f JA |
318 | struct vhdr_crc32 *vh = hdr_priv(hdr); |
319 | uint32_t c; | |
e29d1b70 | 320 | |
bd6f78b2 JA |
321 | dprint(FD_VERIFY, "crc32 verify io_u %p, len %u\n", io_u, hdr->len); |
322 | ||
87677832 | 323 | c = crc32(p, hdr->len - hdr_size(hdr)); |
e29d1b70 | 324 | |
546dfd9f | 325 | if (c != vh->crc32) { |
3f9f4e26 | 326 | log_err("crc32: verify failed at %llu/%u\n", |
5ec10eaa | 327 | io_u->offset + header_num * hdr->len, hdr->len); |
546dfd9f | 328 | log_err("crc32: wanted %x, got %x\n", vh->crc32, c); |
9fd18969 | 329 | return EILSEQ; |
e29d1b70 JA |
330 | } |
331 | ||
332 | return 0; | |
333 | } | |
334 | ||
bac39e0e JA |
335 | static int verify_io_u_crc32c(struct verify_header *hdr, struct io_u *io_u, |
336 | unsigned int header_num) | |
337 | { | |
338 | void *p = io_u_verify_off(hdr, io_u, header_num); | |
339 | struct vhdr_crc32 *vh = hdr_priv(hdr); | |
340 | uint32_t c; | |
341 | ||
342 | dprint(FD_VERIFY, "crc32c verify io_u %p, len %u\n", io_u, hdr->len); | |
343 | ||
3845591f JA |
344 | if (hdr->verify_type == VERIFY_CRC32C_INTEL) |
345 | c = crc32c_intel(p, hdr->len - hdr_size(hdr)); | |
346 | else | |
347 | c = crc32c(p, hdr->len - hdr_size(hdr)); | |
bac39e0e JA |
348 | |
349 | if (c != vh->crc32) { | |
350 | log_err("crc32c: verify failed at %llu/%u\n", | |
351 | io_u->offset + header_num * hdr->len, hdr->len); | |
352 | log_err("crc32c: wanted %x, got %x\n", vh->crc32, c); | |
9fd18969 | 353 | return EILSEQ; |
bac39e0e JA |
354 | } |
355 | ||
356 | return 0; | |
357 | } | |
358 | ||
3f9f4e26 | 359 | static int verify_io_u_md5(struct verify_header *hdr, struct io_u *io_u, |
5ec10eaa | 360 | unsigned int header_num) |
e29d1b70 | 361 | { |
d9f2caf3 | 362 | void *p = io_u_verify_off(hdr, io_u, header_num); |
546dfd9f | 363 | struct vhdr_md5 *vh = hdr_priv(hdr); |
8c432325 JA |
364 | uint32_t hash[MD5_HASH_WORDS]; |
365 | struct md5_ctx md5_ctx = { | |
366 | .hash = hash, | |
367 | }; | |
e29d1b70 | 368 | |
bd6f78b2 JA |
369 | dprint(FD_VERIFY, "md5 verify io_u %p, len %u\n", io_u, hdr->len); |
370 | ||
61f821f1 | 371 | md5_init(&md5_ctx); |
87677832 | 372 | md5_update(&md5_ctx, p, hdr->len - hdr_size(hdr)); |
e29d1b70 | 373 | |
546dfd9f | 374 | if (memcmp(vh->md5_digest, md5_ctx.hash, sizeof(hash))) { |
3f9f4e26 | 375 | log_err("md5: verify failed at %llu/%u\n", |
5ec10eaa | 376 | io_u->offset + header_num * hdr->len, hdr->len); |
546dfd9f | 377 | hexdump(vh->md5_digest, sizeof(vh->md5_digest)); |
8c432325 | 378 | hexdump(md5_ctx.hash, sizeof(hash)); |
9fd18969 | 379 | return EILSEQ; |
e29d1b70 JA |
380 | } |
381 | ||
382 | return 0; | |
383 | } | |
384 | ||
3f199b01 JA |
385 | static unsigned int hweight8(unsigned int w) |
386 | { | |
387 | unsigned int res = w - ((w >> 1) & 0x55); | |
388 | ||
389 | res = (res & 0x33) + ((res >> 2) & 0x33); | |
390 | return (res + (res >> 4)) & 0x0F; | |
391 | } | |
392 | ||
a944e335 | 393 | int verify_io_u_pattern(unsigned long pattern, unsigned long pattern_size, |
5ec10eaa | 394 | char *buf, unsigned int len, unsigned int mod) |
a944e335 SL |
395 | { |
396 | unsigned int i; | |
397 | char split_pattern[4]; | |
398 | ||
399 | for (i = 0; i < 4; i++) { | |
400 | split_pattern[i] = pattern & 0xff; | |
401 | pattern >>= 8; | |
402 | } | |
403 | ||
404 | for (i = 0; i < len; i++) { | |
3f199b01 JA |
405 | if (buf[i] != split_pattern[mod]) { |
406 | unsigned int bits; | |
407 | ||
408 | bits = hweight8(buf[i] ^ split_pattern[mod]); | |
409 | log_err("fio: got pattern %x, wanted %x. Bad bits %d\n", | |
410 | buf[i], split_pattern[mod], bits); | |
411 | log_err("fio: bad pattern block offset %u\n", i); | |
9fd18969 | 412 | return EILSEQ; |
3f199b01 | 413 | } |
a944e335 SL |
414 | mod++; |
415 | if (mod == pattern_size) | |
416 | mod = 0; | |
417 | } | |
418 | ||
419 | return 0; | |
420 | } | |
421 | ||
e8462bd8 JA |
422 | /* |
423 | * Push IO verification to a separate thread | |
424 | */ | |
425 | int verify_io_u_async(struct thread_data *td, struct io_u *io_u) | |
426 | { | |
427 | if (io_u->file) | |
428 | put_file_log(td, io_u->file); | |
429 | ||
430 | io_u->file = NULL; | |
431 | ||
432 | pthread_mutex_lock(&td->io_u_lock); | |
433 | flist_del(&io_u->list); | |
434 | flist_add_tail(&io_u->list, &td->verify_list); | |
435 | pthread_mutex_unlock(&td->io_u_lock); | |
436 | ||
437 | pthread_cond_signal(&td->verify_cond); | |
438 | io_u->flags |= IO_U_F_FREE_DEF; | |
439 | return 0; | |
440 | } | |
441 | ||
36690c9b | 442 | int verify_io_u(struct thread_data *td, struct io_u *io_u) |
e29d1b70 | 443 | { |
3f9f4e26 | 444 | struct verify_header *hdr; |
a944e335 | 445 | unsigned int hdr_size, hdr_inc, hdr_num = 0; |
95646108 | 446 | void *p; |
e29d1b70 JA |
447 | int ret; |
448 | ||
1dcc0498 | 449 | if (td->o.verify == VERIFY_NULL || io_u->ddir != DDIR_READ) |
36690c9b JA |
450 | return 0; |
451 | ||
3f9f4e26 | 452 | hdr_inc = io_u->buflen; |
a59e170d JA |
453 | if (td->o.verify_interval) |
454 | hdr_inc = td->o.verify_interval; | |
e29d1b70 | 455 | |
a12a3b4d | 456 | ret = 0; |
5ec10eaa JA |
457 | for (p = io_u->buf; p < io_u->buf + io_u->buflen; |
458 | p += hdr_inc, hdr_num++) { | |
a12a3b4d JA |
459 | if (ret && td->o.verify_fatal) { |
460 | td->terminate = 1; | |
461 | break; | |
462 | } | |
a944e335 | 463 | hdr_size = __hdr_size(td->o.verify); |
a59e170d | 464 | if (td->o.verify_offset) |
a944e335 | 465 | memswp(p, p + td->o.verify_offset, hdr_size); |
95646108 | 466 | hdr = p; |
e29d1b70 | 467 | |
3f199b01 JA |
468 | if (hdr->fio_magic != FIO_HDR_MAGIC) { |
469 | log_err("Bad verify header %x\n", hdr->fio_magic); | |
9fd18969 | 470 | return EILSEQ; |
3f199b01 JA |
471 | } |
472 | ||
e28218f3 | 473 | if (td->o.verify_pattern_bytes) { |
bd6f78b2 JA |
474 | dprint(FD_VERIFY, "pattern verify io_u %p, len %u\n", |
475 | io_u, hdr->len); | |
e28218f3 | 476 | ret = verify_io_u_pattern(td->o.verify_pattern, |
5ec10eaa JA |
477 | td->o.verify_pattern_bytes, |
478 | p + hdr_size, | |
479 | hdr_inc - hdr_size, | |
480 | hdr_size % 4); | |
e28218f3 SL |
481 | if (ret) |
482 | log_err("fio: verify failed at %llu/%u\n", | |
483 | io_u->offset + hdr_num * hdr->len, | |
484 | hdr->len); | |
485 | continue; | |
486 | } | |
487 | ||
3f9f4e26 SL |
488 | switch (hdr->verify_type) { |
489 | case VERIFY_MD5: | |
490 | ret = verify_io_u_md5(hdr, io_u, hdr_num); | |
491 | break; | |
492 | case VERIFY_CRC64: | |
493 | ret = verify_io_u_crc64(hdr, io_u, hdr_num); | |
494 | break; | |
bac39e0e | 495 | case VERIFY_CRC32C: |
3845591f | 496 | case VERIFY_CRC32C_INTEL: |
bac39e0e JA |
497 | ret = verify_io_u_crc32c(hdr, io_u, hdr_num); |
498 | break; | |
3f9f4e26 SL |
499 | case VERIFY_CRC32: |
500 | ret = verify_io_u_crc32(hdr, io_u, hdr_num); | |
501 | break; | |
502 | case VERIFY_CRC16: | |
503 | ret = verify_io_u_crc16(hdr, io_u, hdr_num); | |
504 | break; | |
505 | case VERIFY_CRC7: | |
506 | ret = verify_io_u_crc7(hdr, io_u, hdr_num); | |
507 | break; | |
cd14cc10 JA |
508 | case VERIFY_SHA256: |
509 | ret = verify_io_u_sha256(hdr, io_u, hdr_num); | |
510 | break; | |
511 | case VERIFY_SHA512: | |
512 | ret = verify_io_u_sha512(hdr, io_u, hdr_num); | |
513 | break; | |
7437ee87 SL |
514 | case VERIFY_META: |
515 | ret = verify_io_u_meta(hdr, td, io_u, hdr_num); | |
516 | break; | |
3f9f4e26 SL |
517 | default: |
518 | log_err("Bad verify type %u\n", hdr->verify_type); | |
d16d4e09 | 519 | ret = EINVAL; |
3f9f4e26 | 520 | } |
3f9f4e26 | 521 | } |
a7dfe862 | 522 | |
a12a3b4d | 523 | return ret; |
e29d1b70 JA |
524 | } |
525 | ||
7437ee87 | 526 | static void fill_meta(struct verify_header *hdr, struct thread_data *td, |
5ec10eaa | 527 | struct io_u *io_u, unsigned int header_num) |
7437ee87 SL |
528 | { |
529 | struct vhdr_meta *vh = hdr_priv(hdr); | |
530 | ||
531 | vh->thread = td->thread_number; | |
532 | ||
533 | vh->time_sec = io_u->start_time.tv_sec; | |
534 | vh->time_usec = io_u->start_time.tv_usec; | |
535 | ||
536 | vh->numberio = td->io_issues[DDIR_WRITE]; | |
537 | ||
538 | vh->offset = io_u->offset + header_num * td->o.verify_interval; | |
539 | } | |
540 | ||
cd14cc10 JA |
541 | static void fill_sha512(struct verify_header *hdr, void *p, unsigned int len) |
542 | { | |
546dfd9f | 543 | struct vhdr_sha512 *vh = hdr_priv(hdr); |
cd14cc10 | 544 | struct sha512_ctx sha512_ctx = { |
546dfd9f | 545 | .buf = vh->sha512, |
cd14cc10 JA |
546 | }; |
547 | ||
548 | sha512_init(&sha512_ctx); | |
549 | sha512_update(&sha512_ctx, p, len); | |
550 | } | |
551 | ||
552 | static void fill_sha256(struct verify_header *hdr, void *p, unsigned int len) | |
553 | { | |
546dfd9f | 554 | struct vhdr_sha256 *vh = hdr_priv(hdr); |
cd14cc10 | 555 | struct sha256_ctx sha256_ctx = { |
546dfd9f | 556 | .buf = vh->sha256, |
cd14cc10 JA |
557 | }; |
558 | ||
559 | sha256_init(&sha256_ctx); | |
560 | sha256_update(&sha256_ctx, p, len); | |
561 | } | |
562 | ||
1e154bdb JA |
563 | static void fill_crc7(struct verify_header *hdr, void *p, unsigned int len) |
564 | { | |
546dfd9f JA |
565 | struct vhdr_crc7 *vh = hdr_priv(hdr); |
566 | ||
567 | vh->crc7 = crc7(p, len); | |
1e154bdb JA |
568 | } |
569 | ||
969f7ed3 JA |
570 | static void fill_crc16(struct verify_header *hdr, void *p, unsigned int len) |
571 | { | |
546dfd9f JA |
572 | struct vhdr_crc16 *vh = hdr_priv(hdr); |
573 | ||
574 | vh->crc16 = crc16(p, len); | |
969f7ed3 JA |
575 | } |
576 | ||
e29d1b70 JA |
577 | static void fill_crc32(struct verify_header *hdr, void *p, unsigned int len) |
578 | { | |
546dfd9f JA |
579 | struct vhdr_crc32 *vh = hdr_priv(hdr); |
580 | ||
581 | vh->crc32 = crc32(p, len); | |
e29d1b70 JA |
582 | } |
583 | ||
bac39e0e JA |
584 | static void fill_crc32c(struct verify_header *hdr, void *p, unsigned int len) |
585 | { | |
586 | struct vhdr_crc32 *vh = hdr_priv(hdr); | |
587 | ||
3845591f JA |
588 | if (hdr->verify_type == VERIFY_CRC32C_INTEL) |
589 | vh->crc32 = crc32c_intel(p, len); | |
590 | else | |
591 | vh->crc32 = crc32c(p, len); | |
bac39e0e JA |
592 | } |
593 | ||
d77a7af3 JA |
594 | static void fill_crc64(struct verify_header *hdr, void *p, unsigned int len) |
595 | { | |
546dfd9f JA |
596 | struct vhdr_crc64 *vh = hdr_priv(hdr); |
597 | ||
598 | vh->crc64 = crc64(p, len); | |
d77a7af3 JA |
599 | } |
600 | ||
e29d1b70 JA |
601 | static void fill_md5(struct verify_header *hdr, void *p, unsigned int len) |
602 | { | |
546dfd9f | 603 | struct vhdr_md5 *vh = hdr_priv(hdr); |
8c432325 | 604 | struct md5_ctx md5_ctx = { |
546dfd9f | 605 | .hash = (uint32_t *) vh->md5_digest, |
8c432325 | 606 | }; |
e29d1b70 | 607 | |
61f821f1 | 608 | md5_init(&md5_ctx); |
e29d1b70 | 609 | md5_update(&md5_ctx, p, len); |
e29d1b70 JA |
610 | } |
611 | ||
612 | /* | |
613 | * fill body of io_u->buf with random data and add a header with the | |
614 | * crc32 or md5 sum of that data. | |
615 | */ | |
616 | void populate_verify_io_u(struct thread_data *td, struct io_u *io_u) | |
617 | { | |
baefa9be | 618 | struct verify_header *hdr; |
95646108 | 619 | void *p = io_u->buf, *data; |
7437ee87 | 620 | unsigned int hdr_inc, data_len, header_num = 0; |
e29d1b70 | 621 | |
9cc3d150 JA |
622 | if (td->o.verify == VERIFY_NULL) |
623 | return; | |
624 | ||
90059d65 | 625 | fill_pattern(td, p, io_u->buflen); |
546a9142 SL |
626 | |
627 | hdr_inc = io_u->buflen; | |
a59e170d JA |
628 | if (td->o.verify_interval) |
629 | hdr_inc = td->o.verify_interval; | |
baefa9be | 630 | |
5ec10eaa | 631 | for (; p < io_u->buf + io_u->buflen; p += hdr_inc) { |
95646108 | 632 | hdr = p; |
3f9f4e26 SL |
633 | |
634 | hdr->fio_magic = FIO_HDR_MAGIC; | |
635 | hdr->verify_type = td->o.verify; | |
546a9142 | 636 | hdr->len = hdr_inc; |
87677832 | 637 | data_len = hdr_inc - hdr_size(hdr); |
3f9f4e26 | 638 | |
87677832 | 639 | data = p + hdr_size(hdr); |
3f9f4e26 SL |
640 | switch (td->o.verify) { |
641 | case VERIFY_MD5: | |
bd6f78b2 JA |
642 | dprint(FD_VERIFY, "fill md5 io_u %p, len %u\n", |
643 | io_u, hdr->len); | |
3f9f4e26 SL |
644 | fill_md5(hdr, data, data_len); |
645 | break; | |
646 | case VERIFY_CRC64: | |
bd6f78b2 JA |
647 | dprint(FD_VERIFY, "fill crc64 io_u %p, len %u\n", |
648 | io_u, hdr->len); | |
3f9f4e26 SL |
649 | fill_crc64(hdr, data, data_len); |
650 | break; | |
bac39e0e | 651 | case VERIFY_CRC32C: |
3845591f | 652 | case VERIFY_CRC32C_INTEL: |
bac39e0e JA |
653 | dprint(FD_VERIFY, "fill crc32c io_u %p, len %u\n", |
654 | io_u, hdr->len); | |
655 | fill_crc32c(hdr, data, data_len); | |
656 | break; | |
3f9f4e26 | 657 | case VERIFY_CRC32: |
bd6f78b2 JA |
658 | dprint(FD_VERIFY, "fill crc32 io_u %p, len %u\n", |
659 | io_u, hdr->len); | |
3f9f4e26 SL |
660 | fill_crc32(hdr, data, data_len); |
661 | break; | |
662 | case VERIFY_CRC16: | |
bd6f78b2 JA |
663 | dprint(FD_VERIFY, "fill crc16 io_u %p, len %u\n", |
664 | io_u, hdr->len); | |
3f9f4e26 SL |
665 | fill_crc16(hdr, data, data_len); |
666 | break; | |
667 | case VERIFY_CRC7: | |
bd6f78b2 JA |
668 | dprint(FD_VERIFY, "fill crc7 io_u %p, len %u\n", |
669 | io_u, hdr->len); | |
3f9f4e26 SL |
670 | fill_crc7(hdr, data, data_len); |
671 | break; | |
cd14cc10 | 672 | case VERIFY_SHA256: |
bd6f78b2 JA |
673 | dprint(FD_VERIFY, "fill sha256 io_u %p, len %u\n", |
674 | io_u, hdr->len); | |
cd14cc10 JA |
675 | fill_sha256(hdr, data, data_len); |
676 | break; | |
677 | case VERIFY_SHA512: | |
bd6f78b2 JA |
678 | dprint(FD_VERIFY, "fill sha512 io_u %p, len %u\n", |
679 | io_u, hdr->len); | |
cd14cc10 JA |
680 | fill_sha512(hdr, data, data_len); |
681 | break; | |
7437ee87 | 682 | case VERIFY_META: |
bd6f78b2 JA |
683 | dprint(FD_VERIFY, "fill meta io_u %p, len %u\n", |
684 | io_u, hdr->len); | |
7437ee87 SL |
685 | fill_meta(hdr, td, io_u, header_num); |
686 | break; | |
3f9f4e26 SL |
687 | default: |
688 | log_err("fio: bad verify type: %d\n", td->o.verify); | |
689 | assert(0); | |
690 | } | |
a59e170d | 691 | if (td->o.verify_offset) |
87677832 | 692 | memswp(p, p + td->o.verify_offset, hdr_size(hdr)); |
7437ee87 | 693 | header_num++; |
e29d1b70 | 694 | } |
e29d1b70 JA |
695 | } |
696 | ||
697 | int get_next_verify(struct thread_data *td, struct io_u *io_u) | |
698 | { | |
8de8f047 | 699 | struct io_piece *ipo = NULL; |
e29d1b70 | 700 | |
d2d7fa53 JA |
701 | /* |
702 | * this io_u is from a requeue, we already filled the offsets | |
703 | */ | |
704 | if (io_u->file) | |
705 | return 0; | |
706 | ||
8de8f047 JA |
707 | if (!RB_EMPTY_ROOT(&td->io_hist_tree)) { |
708 | struct rb_node *n = rb_first(&td->io_hist_tree); | |
e29d1b70 | 709 | |
8de8f047 | 710 | ipo = rb_entry(n, struct io_piece, rb_node); |
4b87898e | 711 | rb_erase(n, &td->io_hist_tree); |
01743ee1 JA |
712 | } else if (!flist_empty(&td->io_hist_list)) { |
713 | ipo = flist_entry(td->io_hist_list.next, struct io_piece, list); | |
714 | flist_del(&ipo->list); | |
8de8f047 | 715 | } |
e29d1b70 | 716 | |
8de8f047 | 717 | if (ipo) { |
e29d1b70 JA |
718 | io_u->offset = ipo->offset; |
719 | io_u->buflen = ipo->len; | |
36167d82 | 720 | io_u->file = ipo->file; |
97af62ce | 721 | |
d6aed795 | 722 | if (!fio_file_open(io_u->file)) { |
97af62ce JA |
723 | int r = td_io_open_file(td, io_u->file); |
724 | ||
bd6f78b2 JA |
725 | if (r) { |
726 | dprint(FD_VERIFY, "failed file %s open\n", | |
727 | io_u->file->file_name); | |
97af62ce | 728 | return 1; |
bd6f78b2 | 729 | } |
97af62ce JA |
730 | } |
731 | ||
732 | get_file(ipo->file); | |
d6aed795 | 733 | assert(fio_file_open(io_u->file)); |
e29d1b70 | 734 | io_u->ddir = DDIR_READ; |
36167d82 JA |
735 | io_u->xfer_buf = io_u->buf; |
736 | io_u->xfer_buflen = io_u->buflen; | |
e29d1b70 | 737 | free(ipo); |
bd6f78b2 | 738 | dprint(FD_VERIFY, "get_next_verify: ret io_u %p\n", io_u); |
e29d1b70 JA |
739 | return 0; |
740 | } | |
741 | ||
bd6f78b2 | 742 | dprint(FD_VERIFY, "get_next_verify: empty\n"); |
e29d1b70 JA |
743 | return 1; |
744 | } | |
e8462bd8 JA |
745 | |
746 | static void *verify_async_thread(void *data) | |
747 | { | |
748 | struct thread_data *td = data; | |
749 | struct io_u *io_u; | |
750 | int ret = 0; | |
751 | ||
752 | if (td->o.verify_cpumask_set && | |
753 | fio_setaffinity(td->pid, td->o.verify_cpumask)) { | |
754 | log_err("fio: failed setting verify thread affinity\n"); | |
755 | goto done; | |
756 | } | |
757 | ||
758 | do { | |
e53ab27c JA |
759 | FLIST_HEAD(list); |
760 | ||
e8462bd8 JA |
761 | read_barrier(); |
762 | if (td->verify_thread_exit) | |
763 | break; | |
764 | ||
765 | pthread_mutex_lock(&td->io_u_lock); | |
766 | ||
767 | while (flist_empty(&td->verify_list) && | |
768 | !td->verify_thread_exit) { | |
b36e298b JA |
769 | ret = pthread_cond_wait(&td->verify_cond, |
770 | &td->io_u_lock); | |
e8462bd8 JA |
771 | if (ret) { |
772 | pthread_mutex_unlock(&td->io_u_lock); | |
773 | break; | |
774 | } | |
775 | } | |
776 | ||
e53ab27c JA |
777 | flist_splice_init(&td->verify_list, &list); |
778 | pthread_mutex_unlock(&td->io_u_lock); | |
779 | ||
780 | if (flist_empty(&list)) | |
e8462bd8 | 781 | continue; |
e8462bd8 | 782 | |
e53ab27c JA |
783 | while (!flist_empty(&list)) { |
784 | io_u = flist_entry(list.next, struct io_u, list); | |
785 | flist_del_init(&io_u->list); | |
e8462bd8 | 786 | |
d561f2ab | 787 | ret = verify_io_u(td, io_u); |
e53ab27c | 788 | put_io_u(td, io_u); |
d561f2ab JA |
789 | if (!ret) |
790 | continue; | |
791 | if (td->o.continue_on_error && | |
792 | td_non_fatal_error(ret)) { | |
793 | update_error_count(td, ret); | |
794 | td_clear_error(td); | |
795 | ret = 0; | |
796 | } | |
e53ab27c | 797 | } |
e8462bd8 JA |
798 | } while (!ret); |
799 | ||
d561f2ab JA |
800 | if (ret) { |
801 | td_verror(td, ret, "async_verify"); | |
802 | td->terminate = 1; | |
803 | } | |
804 | ||
e8462bd8 JA |
805 | done: |
806 | pthread_mutex_lock(&td->io_u_lock); | |
807 | td->nr_verify_threads--; | |
808 | pthread_mutex_unlock(&td->io_u_lock); | |
809 | ||
810 | pthread_cond_signal(&td->free_cond); | |
811 | return NULL; | |
812 | } | |
813 | ||
814 | int verify_async_init(struct thread_data *td) | |
815 | { | |
816 | int i, ret; | |
817 | ||
818 | td->verify_thread_exit = 0; | |
819 | ||
820 | td->verify_threads = malloc(sizeof(pthread_t) * td->o.verify_async); | |
821 | for (i = 0; i < td->o.verify_async; i++) { | |
822 | ret = pthread_create(&td->verify_threads[i], NULL, | |
823 | verify_async_thread, td); | |
824 | if (ret) { | |
825 | log_err("fio: async verify creation failed: %s\n", | |
826 | strerror(ret)); | |
827 | break; | |
828 | } | |
829 | ret = pthread_detach(td->verify_threads[i]); | |
830 | if (ret) { | |
831 | log_err("fio: async verify thread detach failed: %s\n", | |
832 | strerror(ret)); | |
833 | break; | |
834 | } | |
835 | td->nr_verify_threads++; | |
836 | } | |
837 | ||
838 | if (i != td->o.verify_async) { | |
e40823b1 | 839 | log_err("fio: only %d verify threads started, exiting\n", i); |
e8462bd8 JA |
840 | td->verify_thread_exit = 1; |
841 | write_barrier(); | |
842 | pthread_cond_broadcast(&td->verify_cond); | |
843 | return 1; | |
844 | } | |
845 | ||
846 | return 0; | |
847 | } | |
848 | ||
849 | void verify_async_exit(struct thread_data *td) | |
850 | { | |
851 | td->verify_thread_exit = 1; | |
852 | write_barrier(); | |
853 | pthread_cond_broadcast(&td->verify_cond); | |
854 | ||
855 | pthread_mutex_lock(&td->io_u_lock); | |
856 | ||
857 | while (td->nr_verify_threads) | |
858 | pthread_cond_wait(&td->free_cond, &td->io_u_lock); | |
859 | ||
860 | pthread_mutex_unlock(&td->io_u_lock); | |
861 | free(td->verify_threads); | |
862 | td->verify_threads = NULL; | |
863 | } |