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" | |
bac39e0e | 14 | #include "crc/crc32c.h" |
eef6eea1 JA |
15 | #include "crc/crc16.h" |
16 | #include "crc/crc7.h" | |
17 | #include "crc/sha256.h" | |
18 | #include "crc/sha512.h" | |
cd14cc10 | 19 | |
90059d65 | 20 | static void fill_random_bytes(struct thread_data *td, void *p, unsigned int len) |
e29d1b70 JA |
21 | { |
22 | unsigned int todo; | |
4c5946c6 | 23 | int r; |
e29d1b70 JA |
24 | |
25 | while (len) { | |
4c5946c6 | 26 | r = os_random_long(&td->verify_state); |
e29d1b70 JA |
27 | |
28 | /* | |
29 | * lrand48_r seems to be broken and only fill the bottom | |
30 | * 32-bits, even on 64-bit archs with 64-bit longs | |
31 | */ | |
32 | todo = sizeof(r); | |
33 | if (todo > len) | |
34 | todo = len; | |
35 | ||
36 | memcpy(p, &r, todo); | |
37 | ||
38 | len -= todo; | |
39 | p += todo; | |
40 | } | |
41 | } | |
42 | ||
90059d65 JA |
43 | static void fill_pattern(struct thread_data *td, void *p, unsigned int len) |
44 | { | |
45 | switch (td->o.verify_pattern_bytes) { | |
46 | case 0: | |
bd6f78b2 | 47 | dprint(FD_VERIFY, "fill random bytes len=%u\n", len); |
90059d65 JA |
48 | fill_random_bytes(td, p, len); |
49 | break; | |
50 | case 1: | |
bd6f78b2 | 51 | dprint(FD_VERIFY, "fill verify pattern b=0 len=%u\n", len); |
90059d65 JA |
52 | memset(p, td->o.verify_pattern, len); |
53 | break; | |
54 | case 2: | |
55 | case 3: | |
56 | case 4: { | |
57 | unsigned int pattern = td->o.verify_pattern; | |
58 | unsigned int i = 0; | |
59 | unsigned char c1, c2, c3, c4; | |
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 JA |
65 | c1 = pattern & 0xff; |
66 | pattern >>= 8; | |
67 | c2 = pattern & 0xff; | |
68 | pattern >>= 8; | |
69 | c3 = pattern & 0xff; | |
70 | pattern >>= 8; | |
71 | c4 = pattern & 0xff; | |
72 | ||
73 | while (i < len) { | |
74 | b[i++] = c1; | |
75 | if (i == len) | |
76 | break; | |
77 | b[i++] = c2; | |
78 | if (td->o.verify_pattern_bytes == 2 || i == len) | |
79 | continue; | |
80 | b[i++] = c3; | |
81 | if (td->o.verify_pattern_bytes == 3 || i == len) | |
82 | continue; | |
83 | b[i++] = c4; | |
84 | } | |
85 | break; | |
86 | } | |
87 | } | |
88 | } | |
89 | ||
4764aec9 | 90 | static void memswp(void *buf1, void *buf2, unsigned int len) |
546a9142 | 91 | { |
dee6de74 SL |
92 | char swap[200]; |
93 | ||
94 | assert(len <= sizeof(swap)); | |
90059d65 | 95 | |
546a9142 SL |
96 | memcpy(&swap, buf1, len); |
97 | memcpy(buf1, buf2, len); | |
98 | memcpy(buf2, &swap, len); | |
99 | } | |
100 | ||
e29d1b70 JA |
101 | static void hexdump(void *buffer, int len) |
102 | { | |
103 | unsigned char *p = buffer; | |
104 | int i; | |
105 | ||
106 | for (i = 0; i < len; i++) | |
6d86144d JA |
107 | log_info("%02x", p[i]); |
108 | log_info("\n"); | |
e29d1b70 JA |
109 | } |
110 | ||
87677832 JA |
111 | /* |
112 | * Prepare for seperation of verify_header and checksum header | |
113 | */ | |
546dfd9f | 114 | static inline unsigned int __hdr_size(int verify_type) |
87677832 | 115 | { |
5921e80c | 116 | unsigned int len = len; |
87677832 | 117 | |
546dfd9f JA |
118 | switch (verify_type) { |
119 | case VERIFY_NONE: | |
120 | case VERIFY_NULL: | |
121 | len = 0; | |
122 | break; | |
123 | case VERIFY_MD5: | |
124 | len = sizeof(struct vhdr_md5); | |
125 | break; | |
126 | case VERIFY_CRC64: | |
127 | len = sizeof(struct vhdr_crc64); | |
128 | break; | |
bac39e0e | 129 | case VERIFY_CRC32C: |
546dfd9f JA |
130 | case VERIFY_CRC32: |
131 | len = sizeof(struct vhdr_crc32); | |
132 | break; | |
133 | case VERIFY_CRC16: | |
134 | len = sizeof(struct vhdr_crc16); | |
135 | break; | |
136 | case VERIFY_CRC7: | |
137 | len = sizeof(struct vhdr_crc7); | |
138 | break; | |
139 | case VERIFY_SHA256: | |
140 | len = sizeof(struct vhdr_sha256); | |
141 | break; | |
142 | case VERIFY_SHA512: | |
143 | len = sizeof(struct vhdr_sha512); | |
144 | break; | |
7437ee87 SL |
145 | case VERIFY_META: |
146 | len = sizeof(struct vhdr_meta); | |
147 | break; | |
546dfd9f JA |
148 | default: |
149 | log_err("fio: unknown verify header!\n"); | |
150 | assert(0); | |
151 | } | |
152 | ||
153 | return len + sizeof(struct verify_header); | |
87677832 JA |
154 | } |
155 | ||
156 | static inline unsigned int hdr_size(struct verify_header *hdr) | |
157 | { | |
546dfd9f JA |
158 | return __hdr_size(hdr->verify_type); |
159 | } | |
160 | ||
161 | static void *hdr_priv(struct verify_header *hdr) | |
162 | { | |
163 | void *priv = hdr; | |
164 | ||
165 | return priv + sizeof(struct verify_header); | |
87677832 JA |
166 | } |
167 | ||
d9f2caf3 JA |
168 | /* |
169 | * Return data area 'header_num' | |
170 | */ | |
171 | static inline void *io_u_verify_off(struct verify_header *hdr, | |
5ec10eaa | 172 | struct io_u *io_u, unsigned char header_num) |
d9f2caf3 | 173 | { |
87677832 | 174 | return io_u->buf + header_num * hdr->len + hdr_size(hdr); |
d9f2caf3 JA |
175 | } |
176 | ||
7437ee87 | 177 | static int verify_io_u_meta(struct verify_header *hdr, struct thread_data *td, |
5ec10eaa | 178 | struct io_u *io_u, unsigned int header_num) |
7437ee87 SL |
179 | { |
180 | struct vhdr_meta *vh = hdr_priv(hdr); | |
181 | ||
bd6f78b2 JA |
182 | dprint(FD_VERIFY, "meta verify io_u %p, len %u\n", io_u, hdr->len); |
183 | ||
7437ee87 SL |
184 | if (vh->offset != io_u->offset + header_num * td->o.verify_interval) { |
185 | log_err("meta: verify failed at %llu/%u\n", | |
5ec10eaa | 186 | io_u->offset + header_num * hdr->len, 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 | 209 | log_err("sha512: verify failed at %llu/%u\n", |
5ec10eaa | 210 | io_u->offset + header_num * hdr->len, hdr->len); |
546dfd9f | 211 | hexdump(vh->sha512, sizeof(vh->sha512)); |
cd14cc10 | 212 | hexdump(sha512_ctx.buf, sizeof(sha512)); |
d16d4e09 | 213 | return EIO; |
cd14cc10 JA |
214 | } |
215 | ||
216 | return 0; | |
217 | } | |
218 | ||
219 | static int verify_io_u_sha256(struct verify_header *hdr, struct io_u *io_u, | |
220 | unsigned int header_num) | |
221 | { | |
222 | void *p = io_u_verify_off(hdr, io_u, header_num); | |
546dfd9f | 223 | struct vhdr_sha256 *vh = hdr_priv(hdr); |
cd14cc10 JA |
224 | uint8_t sha256[128]; |
225 | struct sha256_ctx sha256_ctx = { | |
226 | .buf = sha256, | |
227 | }; | |
228 | ||
bd6f78b2 JA |
229 | dprint(FD_VERIFY, "sha256 verify io_u %p, len %u\n", io_u, hdr->len); |
230 | ||
cd14cc10 | 231 | sha256_init(&sha256_ctx); |
87677832 | 232 | sha256_update(&sha256_ctx, p, hdr->len - hdr_size(hdr)); |
cd14cc10 | 233 | |
546dfd9f | 234 | if (memcmp(vh->sha256, sha256_ctx.buf, sizeof(sha256))) { |
cd14cc10 | 235 | log_err("sha256: verify failed at %llu/%u\n", |
5ec10eaa | 236 | io_u->offset + header_num * hdr->len, hdr->len); |
546dfd9f | 237 | hexdump(vh->sha256, sizeof(vh->sha256)); |
cd14cc10 | 238 | hexdump(sha256_ctx.buf, sizeof(sha256)); |
d16d4e09 | 239 | return EIO; |
cd14cc10 JA |
240 | } |
241 | ||
242 | return 0; | |
243 | } | |
244 | ||
3f9f4e26 | 245 | static int verify_io_u_crc7(struct verify_header *hdr, struct io_u *io_u, |
5ec10eaa | 246 | unsigned char header_num) |
1e154bdb | 247 | { |
d9f2caf3 | 248 | void *p = io_u_verify_off(hdr, io_u, header_num); |
546dfd9f | 249 | struct vhdr_crc7 *vh = hdr_priv(hdr); |
1e154bdb JA |
250 | unsigned char c; |
251 | ||
bd6f78b2 JA |
252 | dprint(FD_VERIFY, "crc7 verify io_u %p, len %u\n", io_u, hdr->len); |
253 | ||
87677832 | 254 | c = crc7(p, hdr->len - hdr_size(hdr)); |
1e154bdb | 255 | |
546dfd9f | 256 | if (c != vh->crc7) { |
3f9f4e26 | 257 | log_err("crc7: verify failed at %llu/%u\n", |
5ec10eaa | 258 | io_u->offset + header_num * hdr->len, hdr->len); |
546dfd9f | 259 | log_err("crc7: wanted %x, got %x\n", vh->crc7, c); |
d16d4e09 | 260 | return EIO; |
1e154bdb JA |
261 | } |
262 | ||
263 | return 0; | |
264 | } | |
265 | ||
3f9f4e26 | 266 | static int verify_io_u_crc16(struct verify_header *hdr, struct io_u *io_u, |
5ec10eaa | 267 | unsigned int header_num) |
969f7ed3 | 268 | { |
d9f2caf3 | 269 | void *p = io_u_verify_off(hdr, io_u, header_num); |
546dfd9f | 270 | struct vhdr_crc16 *vh = hdr_priv(hdr); |
969f7ed3 JA |
271 | unsigned short c; |
272 | ||
bd6f78b2 JA |
273 | dprint(FD_VERIFY, "crc16 verify io_u %p, len %u\n", io_u, hdr->len); |
274 | ||
87677832 | 275 | c = crc16(p, hdr->len - hdr_size(hdr)); |
969f7ed3 | 276 | |
546dfd9f | 277 | if (c != vh->crc16) { |
3f9f4e26 | 278 | log_err("crc16: verify failed at %llu/%u\n", |
5ec10eaa | 279 | io_u->offset + header_num * hdr->len, hdr->len); |
546dfd9f | 280 | log_err("crc16: wanted %x, got %x\n", vh->crc16, c); |
d16d4e09 | 281 | return EIO; |
969f7ed3 JA |
282 | } |
283 | ||
284 | return 0; | |
285 | } | |
286 | ||
3f9f4e26 | 287 | static int verify_io_u_crc64(struct verify_header *hdr, struct io_u *io_u, |
5ec10eaa | 288 | unsigned int header_num) |
d77a7af3 | 289 | { |
d9f2caf3 | 290 | void *p = io_u_verify_off(hdr, io_u, header_num); |
546dfd9f | 291 | struct vhdr_crc64 *vh = hdr_priv(hdr); |
d77a7af3 JA |
292 | unsigned long long c; |
293 | ||
bd6f78b2 JA |
294 | dprint(FD_VERIFY, "crc64 verify io_u %p, len %u\n", io_u, hdr->len); |
295 | ||
87677832 | 296 | c = crc64(p, hdr->len - hdr_size(hdr)); |
d77a7af3 | 297 | |
546dfd9f | 298 | if (c != vh->crc64) { |
3f9f4e26 SL |
299 | log_err("crc64: verify failed at %llu/%u\n", |
300 | io_u->offset + header_num * hdr->len, | |
301 | hdr->len); | |
5ec10eaa JA |
302 | log_err("crc64: wanted %llx, got %llx\n", |
303 | (unsigned long long) vh->crc64, c); | |
d16d4e09 | 304 | return EIO; |
d77a7af3 JA |
305 | } |
306 | ||
307 | return 0; | |
308 | } | |
309 | ||
3f9f4e26 | 310 | static int verify_io_u_crc32(struct verify_header *hdr, struct io_u *io_u, |
5ec10eaa | 311 | unsigned int header_num) |
e29d1b70 | 312 | { |
d9f2caf3 | 313 | void *p = io_u_verify_off(hdr, io_u, header_num); |
546dfd9f JA |
314 | struct vhdr_crc32 *vh = hdr_priv(hdr); |
315 | uint32_t c; | |
e29d1b70 | 316 | |
bd6f78b2 JA |
317 | dprint(FD_VERIFY, "crc32 verify io_u %p, len %u\n", io_u, hdr->len); |
318 | ||
87677832 | 319 | c = crc32(p, hdr->len - hdr_size(hdr)); |
e29d1b70 | 320 | |
546dfd9f | 321 | if (c != vh->crc32) { |
3f9f4e26 | 322 | log_err("crc32: verify failed at %llu/%u\n", |
5ec10eaa | 323 | io_u->offset + header_num * hdr->len, hdr->len); |
546dfd9f | 324 | log_err("crc32: wanted %x, got %x\n", vh->crc32, c); |
d16d4e09 | 325 | return EIO; |
e29d1b70 JA |
326 | } |
327 | ||
328 | return 0; | |
329 | } | |
330 | ||
bac39e0e JA |
331 | static int verify_io_u_crc32c(struct verify_header *hdr, struct io_u *io_u, |
332 | unsigned int header_num) | |
333 | { | |
334 | void *p = io_u_verify_off(hdr, io_u, header_num); | |
335 | struct vhdr_crc32 *vh = hdr_priv(hdr); | |
336 | uint32_t c; | |
337 | ||
338 | dprint(FD_VERIFY, "crc32c verify io_u %p, len %u\n", io_u, hdr->len); | |
339 | ||
340 | c = crc32c(p, hdr->len - hdr_size(hdr)); | |
341 | ||
342 | if (c != vh->crc32) { | |
343 | log_err("crc32c: verify failed at %llu/%u\n", | |
344 | io_u->offset + header_num * hdr->len, hdr->len); | |
345 | log_err("crc32c: wanted %x, got %x\n", vh->crc32, c); | |
346 | return EIO; | |
347 | } | |
348 | ||
349 | return 0; | |
350 | } | |
351 | ||
3f9f4e26 | 352 | static int verify_io_u_md5(struct verify_header *hdr, struct io_u *io_u, |
5ec10eaa | 353 | unsigned int header_num) |
e29d1b70 | 354 | { |
d9f2caf3 | 355 | void *p = io_u_verify_off(hdr, io_u, header_num); |
546dfd9f | 356 | struct vhdr_md5 *vh = hdr_priv(hdr); |
8c432325 JA |
357 | uint32_t hash[MD5_HASH_WORDS]; |
358 | struct md5_ctx md5_ctx = { | |
359 | .hash = hash, | |
360 | }; | |
e29d1b70 | 361 | |
bd6f78b2 JA |
362 | dprint(FD_VERIFY, "md5 verify io_u %p, len %u\n", io_u, hdr->len); |
363 | ||
61f821f1 | 364 | md5_init(&md5_ctx); |
87677832 | 365 | md5_update(&md5_ctx, p, hdr->len - hdr_size(hdr)); |
e29d1b70 | 366 | |
546dfd9f | 367 | if (memcmp(vh->md5_digest, md5_ctx.hash, sizeof(hash))) { |
3f9f4e26 | 368 | log_err("md5: verify failed at %llu/%u\n", |
5ec10eaa | 369 | io_u->offset + header_num * hdr->len, hdr->len); |
546dfd9f | 370 | hexdump(vh->md5_digest, sizeof(vh->md5_digest)); |
8c432325 | 371 | hexdump(md5_ctx.hash, sizeof(hash)); |
d16d4e09 | 372 | return EIO; |
e29d1b70 JA |
373 | } |
374 | ||
375 | return 0; | |
376 | } | |
377 | ||
3f199b01 JA |
378 | static unsigned int hweight8(unsigned int w) |
379 | { | |
380 | unsigned int res = w - ((w >> 1) & 0x55); | |
381 | ||
382 | res = (res & 0x33) + ((res >> 2) & 0x33); | |
383 | return (res + (res >> 4)) & 0x0F; | |
384 | } | |
385 | ||
a944e335 | 386 | int verify_io_u_pattern(unsigned long pattern, unsigned long pattern_size, |
5ec10eaa | 387 | char *buf, unsigned int len, unsigned int mod) |
a944e335 SL |
388 | { |
389 | unsigned int i; | |
390 | char split_pattern[4]; | |
391 | ||
392 | for (i = 0; i < 4; i++) { | |
393 | split_pattern[i] = pattern & 0xff; | |
394 | pattern >>= 8; | |
395 | } | |
396 | ||
397 | for (i = 0; i < len; i++) { | |
3f199b01 JA |
398 | if (buf[i] != split_pattern[mod]) { |
399 | unsigned int bits; | |
400 | ||
401 | bits = hweight8(buf[i] ^ split_pattern[mod]); | |
402 | log_err("fio: got pattern %x, wanted %x. Bad bits %d\n", | |
403 | buf[i], split_pattern[mod], bits); | |
404 | log_err("fio: bad pattern block offset %u\n", i); | |
d16d4e09 | 405 | return EIO; |
3f199b01 | 406 | } |
a944e335 SL |
407 | mod++; |
408 | if (mod == pattern_size) | |
409 | mod = 0; | |
410 | } | |
411 | ||
412 | return 0; | |
413 | } | |
414 | ||
36690c9b | 415 | int verify_io_u(struct thread_data *td, struct io_u *io_u) |
e29d1b70 | 416 | { |
3f9f4e26 | 417 | struct verify_header *hdr; |
a944e335 | 418 | unsigned int hdr_size, hdr_inc, hdr_num = 0; |
95646108 | 419 | void *p; |
e29d1b70 JA |
420 | int ret; |
421 | ||
1dcc0498 | 422 | if (td->o.verify == VERIFY_NULL || io_u->ddir != DDIR_READ) |
36690c9b JA |
423 | return 0; |
424 | ||
3f9f4e26 | 425 | hdr_inc = io_u->buflen; |
a59e170d JA |
426 | if (td->o.verify_interval) |
427 | hdr_inc = td->o.verify_interval; | |
e29d1b70 | 428 | |
a12a3b4d | 429 | ret = 0; |
5ec10eaa JA |
430 | for (p = io_u->buf; p < io_u->buf + io_u->buflen; |
431 | p += hdr_inc, hdr_num++) { | |
a12a3b4d JA |
432 | if (ret && td->o.verify_fatal) { |
433 | td->terminate = 1; | |
434 | break; | |
435 | } | |
a944e335 | 436 | hdr_size = __hdr_size(td->o.verify); |
a59e170d | 437 | if (td->o.verify_offset) |
a944e335 | 438 | memswp(p, p + td->o.verify_offset, hdr_size); |
95646108 | 439 | hdr = p; |
e29d1b70 | 440 | |
3f199b01 JA |
441 | if (hdr->fio_magic != FIO_HDR_MAGIC) { |
442 | log_err("Bad verify header %x\n", hdr->fio_magic); | |
443 | return EIO; | |
444 | } | |
445 | ||
e28218f3 | 446 | if (td->o.verify_pattern_bytes) { |
bd6f78b2 JA |
447 | dprint(FD_VERIFY, "pattern verify io_u %p, len %u\n", |
448 | io_u, hdr->len); | |
e28218f3 | 449 | ret = verify_io_u_pattern(td->o.verify_pattern, |
5ec10eaa JA |
450 | td->o.verify_pattern_bytes, |
451 | p + hdr_size, | |
452 | hdr_inc - hdr_size, | |
453 | hdr_size % 4); | |
e28218f3 SL |
454 | if (ret) |
455 | log_err("fio: verify failed at %llu/%u\n", | |
456 | io_u->offset + hdr_num * hdr->len, | |
457 | hdr->len); | |
458 | continue; | |
459 | } | |
460 | ||
3f9f4e26 SL |
461 | switch (hdr->verify_type) { |
462 | case VERIFY_MD5: | |
463 | ret = verify_io_u_md5(hdr, io_u, hdr_num); | |
464 | break; | |
465 | case VERIFY_CRC64: | |
466 | ret = verify_io_u_crc64(hdr, io_u, hdr_num); | |
467 | break; | |
bac39e0e JA |
468 | case VERIFY_CRC32C: |
469 | ret = verify_io_u_crc32c(hdr, io_u, hdr_num); | |
470 | break; | |
3f9f4e26 SL |
471 | case VERIFY_CRC32: |
472 | ret = verify_io_u_crc32(hdr, io_u, hdr_num); | |
473 | break; | |
474 | case VERIFY_CRC16: | |
475 | ret = verify_io_u_crc16(hdr, io_u, hdr_num); | |
476 | break; | |
477 | case VERIFY_CRC7: | |
478 | ret = verify_io_u_crc7(hdr, io_u, hdr_num); | |
479 | break; | |
cd14cc10 JA |
480 | case VERIFY_SHA256: |
481 | ret = verify_io_u_sha256(hdr, io_u, hdr_num); | |
482 | break; | |
483 | case VERIFY_SHA512: | |
484 | ret = verify_io_u_sha512(hdr, io_u, hdr_num); | |
485 | break; | |
7437ee87 SL |
486 | case VERIFY_META: |
487 | ret = verify_io_u_meta(hdr, td, io_u, hdr_num); | |
488 | break; | |
3f9f4e26 SL |
489 | default: |
490 | log_err("Bad verify type %u\n", hdr->verify_type); | |
d16d4e09 | 491 | ret = EINVAL; |
3f9f4e26 | 492 | } |
3f9f4e26 | 493 | } |
a7dfe862 | 494 | |
a12a3b4d | 495 | return ret; |
e29d1b70 JA |
496 | } |
497 | ||
7437ee87 | 498 | static void fill_meta(struct verify_header *hdr, struct thread_data *td, |
5ec10eaa | 499 | struct io_u *io_u, unsigned int header_num) |
7437ee87 SL |
500 | { |
501 | struct vhdr_meta *vh = hdr_priv(hdr); | |
502 | ||
503 | vh->thread = td->thread_number; | |
504 | ||
505 | vh->time_sec = io_u->start_time.tv_sec; | |
506 | vh->time_usec = io_u->start_time.tv_usec; | |
507 | ||
508 | vh->numberio = td->io_issues[DDIR_WRITE]; | |
509 | ||
510 | vh->offset = io_u->offset + header_num * td->o.verify_interval; | |
511 | } | |
512 | ||
cd14cc10 JA |
513 | static void fill_sha512(struct verify_header *hdr, void *p, unsigned int len) |
514 | { | |
546dfd9f | 515 | struct vhdr_sha512 *vh = hdr_priv(hdr); |
cd14cc10 | 516 | struct sha512_ctx sha512_ctx = { |
546dfd9f | 517 | .buf = vh->sha512, |
cd14cc10 JA |
518 | }; |
519 | ||
520 | sha512_init(&sha512_ctx); | |
521 | sha512_update(&sha512_ctx, p, len); | |
522 | } | |
523 | ||
524 | static void fill_sha256(struct verify_header *hdr, void *p, unsigned int len) | |
525 | { | |
546dfd9f | 526 | struct vhdr_sha256 *vh = hdr_priv(hdr); |
cd14cc10 | 527 | struct sha256_ctx sha256_ctx = { |
546dfd9f | 528 | .buf = vh->sha256, |
cd14cc10 JA |
529 | }; |
530 | ||
531 | sha256_init(&sha256_ctx); | |
532 | sha256_update(&sha256_ctx, p, len); | |
533 | } | |
534 | ||
1e154bdb JA |
535 | static void fill_crc7(struct verify_header *hdr, void *p, unsigned int len) |
536 | { | |
546dfd9f JA |
537 | struct vhdr_crc7 *vh = hdr_priv(hdr); |
538 | ||
539 | vh->crc7 = crc7(p, len); | |
1e154bdb JA |
540 | } |
541 | ||
969f7ed3 JA |
542 | static void fill_crc16(struct verify_header *hdr, void *p, unsigned int len) |
543 | { | |
546dfd9f JA |
544 | struct vhdr_crc16 *vh = hdr_priv(hdr); |
545 | ||
546 | vh->crc16 = crc16(p, len); | |
969f7ed3 JA |
547 | } |
548 | ||
e29d1b70 JA |
549 | static void fill_crc32(struct verify_header *hdr, void *p, unsigned int len) |
550 | { | |
546dfd9f JA |
551 | struct vhdr_crc32 *vh = hdr_priv(hdr); |
552 | ||
553 | vh->crc32 = crc32(p, len); | |
e29d1b70 JA |
554 | } |
555 | ||
bac39e0e JA |
556 | static void fill_crc32c(struct verify_header *hdr, void *p, unsigned int len) |
557 | { | |
558 | struct vhdr_crc32 *vh = hdr_priv(hdr); | |
559 | ||
560 | vh->crc32 = crc32c(p, len); | |
561 | } | |
562 | ||
d77a7af3 JA |
563 | static void fill_crc64(struct verify_header *hdr, void *p, unsigned int len) |
564 | { | |
546dfd9f JA |
565 | struct vhdr_crc64 *vh = hdr_priv(hdr); |
566 | ||
567 | vh->crc64 = crc64(p, len); | |
d77a7af3 JA |
568 | } |
569 | ||
e29d1b70 JA |
570 | static void fill_md5(struct verify_header *hdr, void *p, unsigned int len) |
571 | { | |
546dfd9f | 572 | struct vhdr_md5 *vh = hdr_priv(hdr); |
8c432325 | 573 | struct md5_ctx md5_ctx = { |
546dfd9f | 574 | .hash = (uint32_t *) vh->md5_digest, |
8c432325 | 575 | }; |
e29d1b70 | 576 | |
61f821f1 | 577 | md5_init(&md5_ctx); |
e29d1b70 | 578 | md5_update(&md5_ctx, p, len); |
e29d1b70 JA |
579 | } |
580 | ||
581 | /* | |
582 | * fill body of io_u->buf with random data and add a header with the | |
583 | * crc32 or md5 sum of that data. | |
584 | */ | |
585 | void populate_verify_io_u(struct thread_data *td, struct io_u *io_u) | |
586 | { | |
baefa9be | 587 | struct verify_header *hdr; |
95646108 | 588 | void *p = io_u->buf, *data; |
7437ee87 | 589 | unsigned int hdr_inc, data_len, header_num = 0; |
e29d1b70 | 590 | |
9cc3d150 JA |
591 | if (td->o.verify == VERIFY_NULL) |
592 | return; | |
593 | ||
90059d65 | 594 | fill_pattern(td, p, io_u->buflen); |
546a9142 SL |
595 | |
596 | hdr_inc = io_u->buflen; | |
a59e170d JA |
597 | if (td->o.verify_interval) |
598 | hdr_inc = td->o.verify_interval; | |
baefa9be | 599 | |
5ec10eaa | 600 | for (; p < io_u->buf + io_u->buflen; p += hdr_inc) { |
95646108 | 601 | hdr = p; |
3f9f4e26 SL |
602 | |
603 | hdr->fio_magic = FIO_HDR_MAGIC; | |
604 | hdr->verify_type = td->o.verify; | |
546a9142 | 605 | hdr->len = hdr_inc; |
87677832 | 606 | data_len = hdr_inc - hdr_size(hdr); |
3f9f4e26 | 607 | |
87677832 | 608 | data = p + hdr_size(hdr); |
3f9f4e26 SL |
609 | switch (td->o.verify) { |
610 | case VERIFY_MD5: | |
bd6f78b2 JA |
611 | dprint(FD_VERIFY, "fill md5 io_u %p, len %u\n", |
612 | io_u, hdr->len); | |
3f9f4e26 SL |
613 | fill_md5(hdr, data, data_len); |
614 | break; | |
615 | case VERIFY_CRC64: | |
bd6f78b2 JA |
616 | dprint(FD_VERIFY, "fill crc64 io_u %p, len %u\n", |
617 | io_u, hdr->len); | |
3f9f4e26 SL |
618 | fill_crc64(hdr, data, data_len); |
619 | break; | |
bac39e0e JA |
620 | case VERIFY_CRC32C: |
621 | dprint(FD_VERIFY, "fill crc32c io_u %p, len %u\n", | |
622 | io_u, hdr->len); | |
623 | fill_crc32c(hdr, data, data_len); | |
624 | break; | |
3f9f4e26 | 625 | case VERIFY_CRC32: |
bd6f78b2 JA |
626 | dprint(FD_VERIFY, "fill crc32 io_u %p, len %u\n", |
627 | io_u, hdr->len); | |
3f9f4e26 SL |
628 | fill_crc32(hdr, data, data_len); |
629 | break; | |
630 | case VERIFY_CRC16: | |
bd6f78b2 JA |
631 | dprint(FD_VERIFY, "fill crc16 io_u %p, len %u\n", |
632 | io_u, hdr->len); | |
3f9f4e26 SL |
633 | fill_crc16(hdr, data, data_len); |
634 | break; | |
635 | case VERIFY_CRC7: | |
bd6f78b2 JA |
636 | dprint(FD_VERIFY, "fill crc7 io_u %p, len %u\n", |
637 | io_u, hdr->len); | |
3f9f4e26 SL |
638 | fill_crc7(hdr, data, data_len); |
639 | break; | |
cd14cc10 | 640 | case VERIFY_SHA256: |
bd6f78b2 JA |
641 | dprint(FD_VERIFY, "fill sha256 io_u %p, len %u\n", |
642 | io_u, hdr->len); | |
cd14cc10 JA |
643 | fill_sha256(hdr, data, data_len); |
644 | break; | |
645 | case VERIFY_SHA512: | |
bd6f78b2 JA |
646 | dprint(FD_VERIFY, "fill sha512 io_u %p, len %u\n", |
647 | io_u, hdr->len); | |
cd14cc10 JA |
648 | fill_sha512(hdr, data, data_len); |
649 | break; | |
7437ee87 | 650 | case VERIFY_META: |
bd6f78b2 JA |
651 | dprint(FD_VERIFY, "fill meta io_u %p, len %u\n", |
652 | io_u, hdr->len); | |
7437ee87 SL |
653 | fill_meta(hdr, td, io_u, header_num); |
654 | break; | |
3f9f4e26 SL |
655 | default: |
656 | log_err("fio: bad verify type: %d\n", td->o.verify); | |
657 | assert(0); | |
658 | } | |
a59e170d | 659 | if (td->o.verify_offset) |
87677832 | 660 | memswp(p, p + td->o.verify_offset, hdr_size(hdr)); |
7437ee87 | 661 | header_num++; |
e29d1b70 | 662 | } |
e29d1b70 JA |
663 | } |
664 | ||
665 | int get_next_verify(struct thread_data *td, struct io_u *io_u) | |
666 | { | |
8de8f047 | 667 | struct io_piece *ipo = NULL; |
e29d1b70 | 668 | |
d2d7fa53 JA |
669 | /* |
670 | * this io_u is from a requeue, we already filled the offsets | |
671 | */ | |
672 | if (io_u->file) | |
673 | return 0; | |
674 | ||
8de8f047 JA |
675 | if (!RB_EMPTY_ROOT(&td->io_hist_tree)) { |
676 | struct rb_node *n = rb_first(&td->io_hist_tree); | |
e29d1b70 | 677 | |
8de8f047 | 678 | ipo = rb_entry(n, struct io_piece, rb_node); |
4b87898e | 679 | rb_erase(n, &td->io_hist_tree); |
01743ee1 JA |
680 | } else if (!flist_empty(&td->io_hist_list)) { |
681 | ipo = flist_entry(td->io_hist_list.next, struct io_piece, list); | |
682 | flist_del(&ipo->list); | |
8de8f047 | 683 | } |
e29d1b70 | 684 | |
8de8f047 | 685 | if (ipo) { |
e29d1b70 JA |
686 | io_u->offset = ipo->offset; |
687 | io_u->buflen = ipo->len; | |
36167d82 | 688 | io_u->file = ipo->file; |
97af62ce JA |
689 | |
690 | if ((io_u->file->flags & FIO_FILE_OPEN) == 0) { | |
691 | int r = td_io_open_file(td, io_u->file); | |
692 | ||
bd6f78b2 JA |
693 | if (r) { |
694 | dprint(FD_VERIFY, "failed file %s open\n", | |
695 | io_u->file->file_name); | |
97af62ce | 696 | return 1; |
bd6f78b2 | 697 | } |
97af62ce JA |
698 | } |
699 | ||
700 | get_file(ipo->file); | |
701 | assert(io_u->file->flags & FIO_FILE_OPEN); | |
e29d1b70 | 702 | io_u->ddir = DDIR_READ; |
36167d82 JA |
703 | io_u->xfer_buf = io_u->buf; |
704 | io_u->xfer_buflen = io_u->buflen; | |
e29d1b70 | 705 | free(ipo); |
bd6f78b2 | 706 | dprint(FD_VERIFY, "get_next_verify: ret io_u %p\n", io_u); |
e29d1b70 JA |
707 | return 0; |
708 | } | |
709 | ||
bd6f78b2 | 710 | dprint(FD_VERIFY, "get_next_verify: empty\n"); |
e29d1b70 JA |
711 | return 1; |
712 | } |