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> |
e29d1b70 JA |
8 | |
9 | #include "fio.h" | |
e29d1b70 | 10 | |
eef6eea1 JA |
11 | #include "crc/md5.h" |
12 | #include "crc/crc64.h" | |
13 | #include "crc/crc32.h" | |
14 | #include "crc/crc16.h" | |
15 | #include "crc/crc7.h" | |
16 | #include "crc/sha256.h" | |
17 | #include "crc/sha512.h" | |
cd14cc10 | 18 | |
90059d65 | 19 | static void fill_random_bytes(struct thread_data *td, void *p, unsigned int len) |
e29d1b70 JA |
20 | { |
21 | unsigned int todo; | |
4c5946c6 | 22 | int r; |
e29d1b70 JA |
23 | |
24 | while (len) { | |
4c5946c6 | 25 | r = os_random_long(&td->verify_state); |
e29d1b70 JA |
26 | |
27 | /* | |
28 | * lrand48_r seems to be broken and only fill the bottom | |
29 | * 32-bits, even on 64-bit archs with 64-bit longs | |
30 | */ | |
31 | todo = sizeof(r); | |
32 | if (todo > len) | |
33 | todo = len; | |
34 | ||
35 | memcpy(p, &r, todo); | |
36 | ||
37 | len -= todo; | |
38 | p += todo; | |
39 | } | |
40 | } | |
41 | ||
90059d65 JA |
42 | static void fill_pattern(struct thread_data *td, void *p, unsigned int len) |
43 | { | |
44 | switch (td->o.verify_pattern_bytes) { | |
45 | case 0: | |
bd6f78b2 | 46 | dprint(FD_VERIFY, "fill random bytes len=%u\n", len); |
90059d65 JA |
47 | fill_random_bytes(td, p, len); |
48 | break; | |
49 | case 1: | |
bd6f78b2 | 50 | dprint(FD_VERIFY, "fill verify pattern b=0 len=%u\n", len); |
90059d65 JA |
51 | memset(p, td->o.verify_pattern, len); |
52 | break; | |
53 | case 2: | |
54 | case 3: | |
55 | case 4: { | |
56 | unsigned int pattern = td->o.verify_pattern; | |
57 | unsigned int i = 0; | |
58 | unsigned char c1, c2, c3, c4; | |
59 | unsigned char *b = p; | |
60 | ||
bd6f78b2 JA |
61 | dprint(FD_VERIFY, "fill verify pattern b=%d len=%u\n", |
62 | td->o.verify_pattern_bytes, len); | |
63 | ||
90059d65 JA |
64 | c1 = pattern & 0xff; |
65 | pattern >>= 8; | |
66 | c2 = pattern & 0xff; | |
67 | pattern >>= 8; | |
68 | c3 = pattern & 0xff; | |
69 | pattern >>= 8; | |
70 | c4 = pattern & 0xff; | |
71 | ||
72 | while (i < len) { | |
73 | b[i++] = c1; | |
74 | if (i == len) | |
75 | break; | |
76 | b[i++] = c2; | |
77 | if (td->o.verify_pattern_bytes == 2 || i == len) | |
78 | continue; | |
79 | b[i++] = c3; | |
80 | if (td->o.verify_pattern_bytes == 3 || i == len) | |
81 | continue; | |
82 | b[i++] = c4; | |
83 | } | |
84 | break; | |
85 | } | |
86 | } | |
87 | } | |
88 | ||
4764aec9 | 89 | static void memswp(void *buf1, void *buf2, unsigned int len) |
546a9142 | 90 | { |
dee6de74 SL |
91 | char swap[200]; |
92 | ||
93 | assert(len <= sizeof(swap)); | |
90059d65 | 94 | |
546a9142 SL |
95 | memcpy(&swap, buf1, len); |
96 | memcpy(buf1, buf2, len); | |
97 | memcpy(buf2, &swap, len); | |
98 | } | |
99 | ||
e29d1b70 JA |
100 | static void hexdump(void *buffer, int len) |
101 | { | |
102 | unsigned char *p = buffer; | |
103 | int i; | |
104 | ||
105 | for (i = 0; i < len; i++) | |
6d86144d JA |
106 | log_info("%02x", p[i]); |
107 | log_info("\n"); | |
e29d1b70 JA |
108 | } |
109 | ||
87677832 JA |
110 | /* |
111 | * Prepare for seperation of verify_header and checksum header | |
112 | */ | |
546dfd9f | 113 | static inline unsigned int __hdr_size(int verify_type) |
87677832 | 114 | { |
546dfd9f | 115 | unsigned int len; |
87677832 | 116 | |
546dfd9f JA |
117 | switch (verify_type) { |
118 | case VERIFY_NONE: | |
119 | case VERIFY_NULL: | |
120 | len = 0; | |
121 | break; | |
122 | case VERIFY_MD5: | |
123 | len = sizeof(struct vhdr_md5); | |
124 | break; | |
125 | case VERIFY_CRC64: | |
126 | len = sizeof(struct vhdr_crc64); | |
127 | break; | |
128 | case VERIFY_CRC32: | |
129 | len = sizeof(struct vhdr_crc32); | |
130 | break; | |
131 | case VERIFY_CRC16: | |
132 | len = sizeof(struct vhdr_crc16); | |
133 | break; | |
134 | case VERIFY_CRC7: | |
135 | len = sizeof(struct vhdr_crc7); | |
136 | break; | |
137 | case VERIFY_SHA256: | |
138 | len = sizeof(struct vhdr_sha256); | |
139 | break; | |
140 | case VERIFY_SHA512: | |
141 | len = sizeof(struct vhdr_sha512); | |
142 | break; | |
7437ee87 SL |
143 | case VERIFY_META: |
144 | len = sizeof(struct vhdr_meta); | |
145 | break; | |
546dfd9f JA |
146 | default: |
147 | log_err("fio: unknown verify header!\n"); | |
148 | assert(0); | |
149 | } | |
150 | ||
151 | return len + sizeof(struct verify_header); | |
87677832 JA |
152 | } |
153 | ||
154 | static inline unsigned int hdr_size(struct verify_header *hdr) | |
155 | { | |
546dfd9f JA |
156 | return __hdr_size(hdr->verify_type); |
157 | } | |
158 | ||
159 | static void *hdr_priv(struct verify_header *hdr) | |
160 | { | |
161 | void *priv = hdr; | |
162 | ||
163 | return priv + sizeof(struct verify_header); | |
87677832 JA |
164 | } |
165 | ||
d9f2caf3 JA |
166 | /* |
167 | * Return data area 'header_num' | |
168 | */ | |
169 | static inline void *io_u_verify_off(struct verify_header *hdr, | |
170 | struct io_u *io_u, | |
171 | unsigned char header_num) | |
172 | { | |
87677832 | 173 | return io_u->buf + header_num * hdr->len + hdr_size(hdr); |
d9f2caf3 JA |
174 | } |
175 | ||
7437ee87 SL |
176 | static int verify_io_u_meta(struct verify_header *hdr, struct thread_data *td, |
177 | struct io_u *io_u, unsigned int header_num) | |
178 | { | |
179 | struct vhdr_meta *vh = hdr_priv(hdr); | |
180 | ||
bd6f78b2 JA |
181 | dprint(FD_VERIFY, "meta verify io_u %p, len %u\n", io_u, hdr->len); |
182 | ||
7437ee87 SL |
183 | if (vh->offset != io_u->offset + header_num * td->o.verify_interval) { |
184 | log_err("meta: verify failed at %llu/%u\n", | |
185 | io_u->offset + header_num * hdr->len, | |
186 | hdr->len); | |
d16d4e09 | 187 | return EIO; |
7437ee87 SL |
188 | } |
189 | ||
190 | return 0; | |
191 | } | |
192 | ||
cd14cc10 JA |
193 | static int verify_io_u_sha512(struct verify_header *hdr, struct io_u *io_u, |
194 | unsigned int header_num) | |
195 | { | |
196 | void *p = io_u_verify_off(hdr, io_u, header_num); | |
546dfd9f | 197 | struct vhdr_sha512 *vh = hdr_priv(hdr); |
cd14cc10 JA |
198 | uint8_t sha512[128]; |
199 | struct sha512_ctx sha512_ctx = { | |
200 | .buf = sha512, | |
201 | }; | |
202 | ||
bd6f78b2 JA |
203 | dprint(FD_VERIFY, "sha512 verify io_u %p, len %u\n", io_u, hdr->len); |
204 | ||
cd14cc10 | 205 | sha512_init(&sha512_ctx); |
87677832 | 206 | sha512_update(&sha512_ctx, p, hdr->len - hdr_size(hdr)); |
cd14cc10 | 207 | |
546dfd9f | 208 | if (memcmp(vh->sha512, sha512_ctx.buf, sizeof(sha512))) { |
cd14cc10 JA |
209 | log_err("sha512: verify failed at %llu/%u\n", |
210 | io_u->offset + header_num * hdr->len, | |
211 | hdr->len); | |
546dfd9f | 212 | hexdump(vh->sha512, sizeof(vh->sha512)); |
cd14cc10 | 213 | hexdump(sha512_ctx.buf, sizeof(sha512)); |
d16d4e09 | 214 | return EIO; |
cd14cc10 JA |
215 | } |
216 | ||
217 | return 0; | |
218 | } | |
219 | ||
220 | static int verify_io_u_sha256(struct verify_header *hdr, struct io_u *io_u, | |
221 | unsigned int header_num) | |
222 | { | |
223 | void *p = io_u_verify_off(hdr, io_u, header_num); | |
546dfd9f | 224 | struct vhdr_sha256 *vh = hdr_priv(hdr); |
cd14cc10 JA |
225 | uint8_t sha256[128]; |
226 | struct sha256_ctx sha256_ctx = { | |
227 | .buf = sha256, | |
228 | }; | |
229 | ||
bd6f78b2 JA |
230 | dprint(FD_VERIFY, "sha256 verify io_u %p, len %u\n", io_u, hdr->len); |
231 | ||
cd14cc10 | 232 | sha256_init(&sha256_ctx); |
87677832 | 233 | sha256_update(&sha256_ctx, p, hdr->len - hdr_size(hdr)); |
cd14cc10 | 234 | |
546dfd9f | 235 | if (memcmp(vh->sha256, sha256_ctx.buf, sizeof(sha256))) { |
cd14cc10 JA |
236 | log_err("sha256: verify failed at %llu/%u\n", |
237 | io_u->offset + header_num * hdr->len, | |
238 | hdr->len); | |
546dfd9f | 239 | hexdump(vh->sha256, sizeof(vh->sha256)); |
cd14cc10 | 240 | hexdump(sha256_ctx.buf, sizeof(sha256)); |
d16d4e09 | 241 | return EIO; |
cd14cc10 JA |
242 | } |
243 | ||
244 | return 0; | |
245 | } | |
246 | ||
3f9f4e26 SL |
247 | static int verify_io_u_crc7(struct verify_header *hdr, struct io_u *io_u, |
248 | unsigned char header_num) | |
1e154bdb | 249 | { |
d9f2caf3 | 250 | void *p = io_u_verify_off(hdr, io_u, header_num); |
546dfd9f | 251 | struct vhdr_crc7 *vh = hdr_priv(hdr); |
1e154bdb JA |
252 | unsigned char c; |
253 | ||
bd6f78b2 JA |
254 | dprint(FD_VERIFY, "crc7 verify io_u %p, len %u\n", io_u, hdr->len); |
255 | ||
87677832 | 256 | c = crc7(p, hdr->len - hdr_size(hdr)); |
1e154bdb | 257 | |
546dfd9f | 258 | if (c != vh->crc7) { |
3f9f4e26 SL |
259 | log_err("crc7: verify failed at %llu/%u\n", |
260 | io_u->offset + header_num * hdr->len, | |
261 | hdr->len); | |
546dfd9f | 262 | log_err("crc7: wanted %x, got %x\n", vh->crc7, c); |
d16d4e09 | 263 | return EIO; |
1e154bdb JA |
264 | } |
265 | ||
266 | return 0; | |
267 | } | |
268 | ||
3f9f4e26 SL |
269 | static int verify_io_u_crc16(struct verify_header *hdr, struct io_u *io_u, |
270 | unsigned int header_num) | |
969f7ed3 | 271 | { |
d9f2caf3 | 272 | void *p = io_u_verify_off(hdr, io_u, header_num); |
546dfd9f | 273 | struct vhdr_crc16 *vh = hdr_priv(hdr); |
969f7ed3 JA |
274 | unsigned short c; |
275 | ||
bd6f78b2 JA |
276 | dprint(FD_VERIFY, "crc16 verify io_u %p, len %u\n", io_u, hdr->len); |
277 | ||
87677832 | 278 | c = crc16(p, hdr->len - hdr_size(hdr)); |
969f7ed3 | 279 | |
546dfd9f | 280 | if (c != vh->crc16) { |
3f9f4e26 SL |
281 | log_err("crc16: verify failed at %llu/%u\n", |
282 | io_u->offset + header_num * hdr->len, | |
283 | hdr->len); | |
546dfd9f | 284 | log_err("crc16: wanted %x, got %x\n", vh->crc16, c); |
d16d4e09 | 285 | return EIO; |
969f7ed3 JA |
286 | } |
287 | ||
288 | return 0; | |
289 | } | |
290 | ||
3f9f4e26 SL |
291 | static int verify_io_u_crc64(struct verify_header *hdr, struct io_u *io_u, |
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); | |
546dfd9f | 306 | log_err("crc64: wanted %llx, got %llx\n", (unsigned long long) vh->crc64, c); |
d16d4e09 | 307 | return EIO; |
d77a7af3 JA |
308 | } |
309 | ||
310 | return 0; | |
311 | } | |
312 | ||
3f9f4e26 SL |
313 | static int verify_io_u_crc32(struct verify_header *hdr, struct io_u *io_u, |
314 | unsigned int header_num) | |
e29d1b70 | 315 | { |
d9f2caf3 | 316 | void *p = io_u_verify_off(hdr, io_u, header_num); |
546dfd9f JA |
317 | struct vhdr_crc32 *vh = hdr_priv(hdr); |
318 | uint32_t c; | |
e29d1b70 | 319 | |
bd6f78b2 JA |
320 | dprint(FD_VERIFY, "crc32 verify io_u %p, len %u\n", io_u, hdr->len); |
321 | ||
87677832 | 322 | c = crc32(p, hdr->len - hdr_size(hdr)); |
e29d1b70 | 323 | |
546dfd9f | 324 | if (c != vh->crc32) { |
3f9f4e26 SL |
325 | log_err("crc32: verify failed at %llu/%u\n", |
326 | io_u->offset + header_num * hdr->len, | |
327 | hdr->len); | |
546dfd9f | 328 | log_err("crc32: wanted %x, got %x\n", vh->crc32, c); |
d16d4e09 | 329 | return EIO; |
e29d1b70 JA |
330 | } |
331 | ||
332 | return 0; | |
333 | } | |
334 | ||
3f9f4e26 SL |
335 | static int verify_io_u_md5(struct verify_header *hdr, struct io_u *io_u, |
336 | unsigned int header_num) | |
e29d1b70 | 337 | { |
d9f2caf3 | 338 | void *p = io_u_verify_off(hdr, io_u, header_num); |
546dfd9f | 339 | struct vhdr_md5 *vh = hdr_priv(hdr); |
8c432325 JA |
340 | uint32_t hash[MD5_HASH_WORDS]; |
341 | struct md5_ctx md5_ctx = { | |
342 | .hash = hash, | |
343 | }; | |
e29d1b70 | 344 | |
bd6f78b2 JA |
345 | dprint(FD_VERIFY, "md5 verify io_u %p, len %u\n", io_u, hdr->len); |
346 | ||
61f821f1 | 347 | md5_init(&md5_ctx); |
87677832 | 348 | md5_update(&md5_ctx, p, hdr->len - hdr_size(hdr)); |
e29d1b70 | 349 | |
546dfd9f | 350 | if (memcmp(vh->md5_digest, md5_ctx.hash, sizeof(hash))) { |
3f9f4e26 SL |
351 | log_err("md5: verify failed at %llu/%u\n", |
352 | io_u->offset + header_num * hdr->len, | |
353 | hdr->len); | |
546dfd9f | 354 | hexdump(vh->md5_digest, sizeof(vh->md5_digest)); |
8c432325 | 355 | hexdump(md5_ctx.hash, sizeof(hash)); |
d16d4e09 | 356 | return EIO; |
e29d1b70 JA |
357 | } |
358 | ||
359 | return 0; | |
360 | } | |
361 | ||
3f199b01 JA |
362 | static unsigned int hweight8(unsigned int w) |
363 | { | |
364 | unsigned int res = w - ((w >> 1) & 0x55); | |
365 | ||
366 | res = (res & 0x33) + ((res >> 2) & 0x33); | |
367 | return (res + (res >> 4)) & 0x0F; | |
368 | } | |
369 | ||
a944e335 | 370 | int verify_io_u_pattern(unsigned long pattern, unsigned long pattern_size, |
4764aec9 | 371 | char *buf, unsigned int len, unsigned int mod) |
a944e335 SL |
372 | { |
373 | unsigned int i; | |
374 | char split_pattern[4]; | |
375 | ||
376 | for (i = 0; i < 4; i++) { | |
377 | split_pattern[i] = pattern & 0xff; | |
378 | pattern >>= 8; | |
379 | } | |
380 | ||
381 | for (i = 0; i < len; i++) { | |
3f199b01 JA |
382 | if (buf[i] != split_pattern[mod]) { |
383 | unsigned int bits; | |
384 | ||
385 | bits = hweight8(buf[i] ^ split_pattern[mod]); | |
386 | log_err("fio: got pattern %x, wanted %x. Bad bits %d\n", | |
387 | buf[i], split_pattern[mod], bits); | |
388 | log_err("fio: bad pattern block offset %u\n", i); | |
d16d4e09 | 389 | return EIO; |
3f199b01 | 390 | } |
a944e335 SL |
391 | mod++; |
392 | if (mod == pattern_size) | |
393 | mod = 0; | |
394 | } | |
395 | ||
396 | return 0; | |
397 | } | |
398 | ||
36690c9b | 399 | int verify_io_u(struct thread_data *td, struct io_u *io_u) |
e29d1b70 | 400 | { |
3f9f4e26 | 401 | struct verify_header *hdr; |
a944e335 | 402 | unsigned int hdr_size, hdr_inc, hdr_num = 0; |
95646108 | 403 | void *p; |
e29d1b70 JA |
404 | int ret; |
405 | ||
1dcc0498 | 406 | if (td->o.verify == VERIFY_NULL || io_u->ddir != DDIR_READ) |
36690c9b JA |
407 | return 0; |
408 | ||
3f9f4e26 | 409 | hdr_inc = io_u->buflen; |
a59e170d JA |
410 | if (td->o.verify_interval) |
411 | hdr_inc = td->o.verify_interval; | |
e29d1b70 | 412 | |
a12a3b4d | 413 | ret = 0; |
3f199b01 | 414 | for (p = io_u->buf; p < io_u->buf + io_u->buflen; p += hdr_inc, hdr_num++) { |
a12a3b4d JA |
415 | if (ret && td->o.verify_fatal) { |
416 | td->terminate = 1; | |
417 | break; | |
418 | } | |
a944e335 | 419 | hdr_size = __hdr_size(td->o.verify); |
a59e170d | 420 | if (td->o.verify_offset) |
a944e335 | 421 | memswp(p, p + td->o.verify_offset, hdr_size); |
95646108 | 422 | hdr = p; |
e29d1b70 | 423 | |
3f199b01 JA |
424 | if (hdr->fio_magic != FIO_HDR_MAGIC) { |
425 | log_err("Bad verify header %x\n", hdr->fio_magic); | |
426 | return EIO; | |
427 | } | |
428 | ||
e28218f3 | 429 | if (td->o.verify_pattern_bytes) { |
bd6f78b2 JA |
430 | dprint(FD_VERIFY, "pattern verify io_u %p, len %u\n", |
431 | io_u, hdr->len); | |
e28218f3 SL |
432 | ret = verify_io_u_pattern(td->o.verify_pattern, |
433 | td->o.verify_pattern_bytes, | |
434 | p + hdr_size, | |
435 | hdr_inc - hdr_size, | |
436 | hdr_size % 4); | |
437 | if (ret) | |
438 | log_err("fio: verify failed at %llu/%u\n", | |
439 | io_u->offset + hdr_num * hdr->len, | |
440 | hdr->len); | |
441 | continue; | |
442 | } | |
443 | ||
3f9f4e26 SL |
444 | switch (hdr->verify_type) { |
445 | case VERIFY_MD5: | |
446 | ret = verify_io_u_md5(hdr, io_u, hdr_num); | |
447 | break; | |
448 | case VERIFY_CRC64: | |
449 | ret = verify_io_u_crc64(hdr, io_u, hdr_num); | |
450 | break; | |
451 | case VERIFY_CRC32: | |
452 | ret = verify_io_u_crc32(hdr, io_u, hdr_num); | |
453 | break; | |
454 | case VERIFY_CRC16: | |
455 | ret = verify_io_u_crc16(hdr, io_u, hdr_num); | |
456 | break; | |
457 | case VERIFY_CRC7: | |
458 | ret = verify_io_u_crc7(hdr, io_u, hdr_num); | |
459 | break; | |
cd14cc10 JA |
460 | case VERIFY_SHA256: |
461 | ret = verify_io_u_sha256(hdr, io_u, hdr_num); | |
462 | break; | |
463 | case VERIFY_SHA512: | |
464 | ret = verify_io_u_sha512(hdr, io_u, hdr_num); | |
465 | break; | |
7437ee87 SL |
466 | case VERIFY_META: |
467 | ret = verify_io_u_meta(hdr, td, io_u, hdr_num); | |
468 | break; | |
3f9f4e26 SL |
469 | default: |
470 | log_err("Bad verify type %u\n", hdr->verify_type); | |
d16d4e09 | 471 | ret = EINVAL; |
3f9f4e26 | 472 | } |
3f9f4e26 | 473 | } |
a7dfe862 | 474 | |
a12a3b4d | 475 | return ret; |
e29d1b70 JA |
476 | } |
477 | ||
7437ee87 SL |
478 | static void fill_meta(struct verify_header *hdr, struct thread_data *td, |
479 | struct io_u *io_u, unsigned int header_num) | |
480 | { | |
481 | struct vhdr_meta *vh = hdr_priv(hdr); | |
482 | ||
483 | vh->thread = td->thread_number; | |
484 | ||
485 | vh->time_sec = io_u->start_time.tv_sec; | |
486 | vh->time_usec = io_u->start_time.tv_usec; | |
487 | ||
488 | vh->numberio = td->io_issues[DDIR_WRITE]; | |
489 | ||
490 | vh->offset = io_u->offset + header_num * td->o.verify_interval; | |
491 | } | |
492 | ||
cd14cc10 JA |
493 | static void fill_sha512(struct verify_header *hdr, void *p, unsigned int len) |
494 | { | |
546dfd9f | 495 | struct vhdr_sha512 *vh = hdr_priv(hdr); |
cd14cc10 | 496 | struct sha512_ctx sha512_ctx = { |
546dfd9f | 497 | .buf = vh->sha512, |
cd14cc10 JA |
498 | }; |
499 | ||
500 | sha512_init(&sha512_ctx); | |
501 | sha512_update(&sha512_ctx, p, len); | |
502 | } | |
503 | ||
504 | static void fill_sha256(struct verify_header *hdr, void *p, unsigned int len) | |
505 | { | |
546dfd9f | 506 | struct vhdr_sha256 *vh = hdr_priv(hdr); |
cd14cc10 | 507 | struct sha256_ctx sha256_ctx = { |
546dfd9f | 508 | .buf = vh->sha256, |
cd14cc10 JA |
509 | }; |
510 | ||
511 | sha256_init(&sha256_ctx); | |
512 | sha256_update(&sha256_ctx, p, len); | |
513 | } | |
514 | ||
1e154bdb JA |
515 | static void fill_crc7(struct verify_header *hdr, void *p, unsigned int len) |
516 | { | |
546dfd9f JA |
517 | struct vhdr_crc7 *vh = hdr_priv(hdr); |
518 | ||
519 | vh->crc7 = crc7(p, len); | |
1e154bdb JA |
520 | } |
521 | ||
969f7ed3 JA |
522 | static void fill_crc16(struct verify_header *hdr, void *p, unsigned int len) |
523 | { | |
546dfd9f JA |
524 | struct vhdr_crc16 *vh = hdr_priv(hdr); |
525 | ||
526 | vh->crc16 = crc16(p, len); | |
969f7ed3 JA |
527 | } |
528 | ||
e29d1b70 JA |
529 | static void fill_crc32(struct verify_header *hdr, void *p, unsigned int len) |
530 | { | |
546dfd9f JA |
531 | struct vhdr_crc32 *vh = hdr_priv(hdr); |
532 | ||
533 | vh->crc32 = crc32(p, len); | |
e29d1b70 JA |
534 | } |
535 | ||
d77a7af3 JA |
536 | static void fill_crc64(struct verify_header *hdr, void *p, unsigned int len) |
537 | { | |
546dfd9f JA |
538 | struct vhdr_crc64 *vh = hdr_priv(hdr); |
539 | ||
540 | vh->crc64 = crc64(p, len); | |
d77a7af3 JA |
541 | } |
542 | ||
e29d1b70 JA |
543 | static void fill_md5(struct verify_header *hdr, void *p, unsigned int len) |
544 | { | |
546dfd9f | 545 | struct vhdr_md5 *vh = hdr_priv(hdr); |
8c432325 | 546 | struct md5_ctx md5_ctx = { |
546dfd9f | 547 | .hash = (uint32_t *) vh->md5_digest, |
8c432325 | 548 | }; |
e29d1b70 | 549 | |
61f821f1 | 550 | md5_init(&md5_ctx); |
e29d1b70 | 551 | md5_update(&md5_ctx, p, len); |
e29d1b70 JA |
552 | } |
553 | ||
554 | /* | |
555 | * fill body of io_u->buf with random data and add a header with the | |
556 | * crc32 or md5 sum of that data. | |
557 | */ | |
558 | void populate_verify_io_u(struct thread_data *td, struct io_u *io_u) | |
559 | { | |
baefa9be | 560 | struct verify_header *hdr; |
95646108 | 561 | void *p = io_u->buf, *data; |
7437ee87 | 562 | unsigned int hdr_inc, data_len, header_num = 0; |
e29d1b70 | 563 | |
9cc3d150 JA |
564 | if (td->o.verify == VERIFY_NULL) |
565 | return; | |
566 | ||
90059d65 | 567 | fill_pattern(td, p, io_u->buflen); |
546a9142 SL |
568 | |
569 | hdr_inc = io_u->buflen; | |
a59e170d JA |
570 | if (td->o.verify_interval) |
571 | hdr_inc = td->o.verify_interval; | |
baefa9be | 572 | |
95646108 JA |
573 | for (;p < io_u->buf + io_u->buflen; p += hdr_inc) { |
574 | hdr = p; | |
3f9f4e26 SL |
575 | |
576 | hdr->fio_magic = FIO_HDR_MAGIC; | |
577 | hdr->verify_type = td->o.verify; | |
546a9142 | 578 | hdr->len = hdr_inc; |
87677832 | 579 | data_len = hdr_inc - hdr_size(hdr); |
3f9f4e26 | 580 | |
87677832 | 581 | data = p + hdr_size(hdr); |
3f9f4e26 SL |
582 | switch (td->o.verify) { |
583 | case VERIFY_MD5: | |
bd6f78b2 JA |
584 | dprint(FD_VERIFY, "fill md5 io_u %p, len %u\n", |
585 | io_u, hdr->len); | |
3f9f4e26 SL |
586 | fill_md5(hdr, data, data_len); |
587 | break; | |
588 | case VERIFY_CRC64: | |
bd6f78b2 JA |
589 | dprint(FD_VERIFY, "fill crc64 io_u %p, len %u\n", |
590 | io_u, hdr->len); | |
3f9f4e26 SL |
591 | fill_crc64(hdr, data, data_len); |
592 | break; | |
593 | case VERIFY_CRC32: | |
bd6f78b2 JA |
594 | dprint(FD_VERIFY, "fill crc32 io_u %p, len %u\n", |
595 | io_u, hdr->len); | |
3f9f4e26 SL |
596 | fill_crc32(hdr, data, data_len); |
597 | break; | |
598 | case VERIFY_CRC16: | |
bd6f78b2 JA |
599 | dprint(FD_VERIFY, "fill crc16 io_u %p, len %u\n", |
600 | io_u, hdr->len); | |
3f9f4e26 SL |
601 | fill_crc16(hdr, data, data_len); |
602 | break; | |
603 | case VERIFY_CRC7: | |
bd6f78b2 JA |
604 | dprint(FD_VERIFY, "fill crc7 io_u %p, len %u\n", |
605 | io_u, hdr->len); | |
3f9f4e26 SL |
606 | fill_crc7(hdr, data, data_len); |
607 | break; | |
cd14cc10 | 608 | case VERIFY_SHA256: |
bd6f78b2 JA |
609 | dprint(FD_VERIFY, "fill sha256 io_u %p, len %u\n", |
610 | io_u, hdr->len); | |
cd14cc10 JA |
611 | fill_sha256(hdr, data, data_len); |
612 | break; | |
613 | case VERIFY_SHA512: | |
bd6f78b2 JA |
614 | dprint(FD_VERIFY, "fill sha512 io_u %p, len %u\n", |
615 | io_u, hdr->len); | |
cd14cc10 JA |
616 | fill_sha512(hdr, data, data_len); |
617 | break; | |
7437ee87 | 618 | case VERIFY_META: |
bd6f78b2 JA |
619 | dprint(FD_VERIFY, "fill meta io_u %p, len %u\n", |
620 | io_u, hdr->len); | |
7437ee87 SL |
621 | fill_meta(hdr, td, io_u, header_num); |
622 | break; | |
3f9f4e26 SL |
623 | default: |
624 | log_err("fio: bad verify type: %d\n", td->o.verify); | |
625 | assert(0); | |
626 | } | |
a59e170d | 627 | if (td->o.verify_offset) |
87677832 | 628 | memswp(p, p + td->o.verify_offset, hdr_size(hdr)); |
7437ee87 | 629 | header_num++; |
e29d1b70 | 630 | } |
e29d1b70 JA |
631 | } |
632 | ||
633 | int get_next_verify(struct thread_data *td, struct io_u *io_u) | |
634 | { | |
8de8f047 | 635 | struct io_piece *ipo = NULL; |
e29d1b70 | 636 | |
d2d7fa53 JA |
637 | /* |
638 | * this io_u is from a requeue, we already filled the offsets | |
639 | */ | |
640 | if (io_u->file) | |
641 | return 0; | |
642 | ||
8de8f047 JA |
643 | if (!RB_EMPTY_ROOT(&td->io_hist_tree)) { |
644 | struct rb_node *n = rb_first(&td->io_hist_tree); | |
e29d1b70 | 645 | |
8de8f047 | 646 | ipo = rb_entry(n, struct io_piece, rb_node); |
4b87898e | 647 | rb_erase(n, &td->io_hist_tree); |
8de8f047 JA |
648 | } else if (!list_empty(&td->io_hist_list)) { |
649 | ipo = list_entry(td->io_hist_list.next, struct io_piece, list); | |
650 | list_del(&ipo->list); | |
651 | } | |
e29d1b70 | 652 | |
8de8f047 | 653 | if (ipo) { |
e29d1b70 JA |
654 | io_u->offset = ipo->offset; |
655 | io_u->buflen = ipo->len; | |
36167d82 | 656 | io_u->file = ipo->file; |
97af62ce JA |
657 | |
658 | if ((io_u->file->flags & FIO_FILE_OPEN) == 0) { | |
659 | int r = td_io_open_file(td, io_u->file); | |
660 | ||
bd6f78b2 JA |
661 | if (r) { |
662 | dprint(FD_VERIFY, "failed file %s open\n", | |
663 | io_u->file->file_name); | |
97af62ce | 664 | return 1; |
bd6f78b2 | 665 | } |
97af62ce JA |
666 | } |
667 | ||
668 | get_file(ipo->file); | |
669 | assert(io_u->file->flags & FIO_FILE_OPEN); | |
e29d1b70 | 670 | io_u->ddir = DDIR_READ; |
36167d82 JA |
671 | io_u->xfer_buf = io_u->buf; |
672 | io_u->xfer_buflen = io_u->buflen; | |
e29d1b70 | 673 | free(ipo); |
bd6f78b2 | 674 | dprint(FD_VERIFY, "get_next_verify: ret io_u %p\n", io_u); |
e29d1b70 JA |
675 | return 0; |
676 | } | |
677 | ||
bd6f78b2 | 678 | dprint(FD_VERIFY, "get_next_verify: empty\n"); |
e29d1b70 JA |
679 | return 1; |
680 | } |