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" | |
4f5af7b2 | 10 | #include "verify.h" |
e29d1b70 | 11 | |
eef6eea1 JA |
12 | #include "crc/md5.h" |
13 | #include "crc/crc64.h" | |
14 | #include "crc/crc32.h" | |
bac39e0e | 15 | #include "crc/crc32c.h" |
eef6eea1 JA |
16 | #include "crc/crc16.h" |
17 | #include "crc/crc7.h" | |
18 | #include "crc/sha256.h" | |
19 | #include "crc/sha512.h" | |
cd14cc10 | 20 | |
90059d65 | 21 | static void fill_random_bytes(struct thread_data *td, void *p, unsigned int len) |
e29d1b70 JA |
22 | { |
23 | unsigned int todo; | |
4c5946c6 | 24 | int r; |
e29d1b70 JA |
25 | |
26 | while (len) { | |
4c5946c6 | 27 | r = os_random_long(&td->verify_state); |
e29d1b70 JA |
28 | |
29 | /* | |
30 | * lrand48_r seems to be broken and only fill the bottom | |
31 | * 32-bits, even on 64-bit archs with 64-bit longs | |
32 | */ | |
33 | todo = sizeof(r); | |
34 | if (todo > len) | |
35 | todo = len; | |
36 | ||
37 | memcpy(p, &r, todo); | |
38 | ||
39 | len -= todo; | |
40 | p += todo; | |
41 | } | |
42 | } | |
43 | ||
90059d65 JA |
44 | static void fill_pattern(struct thread_data *td, void *p, unsigned int len) |
45 | { | |
46 | switch (td->o.verify_pattern_bytes) { | |
47 | case 0: | |
bd6f78b2 | 48 | dprint(FD_VERIFY, "fill random bytes len=%u\n", len); |
90059d65 JA |
49 | fill_random_bytes(td, p, len); |
50 | break; | |
51 | case 1: | |
bd6f78b2 | 52 | dprint(FD_VERIFY, "fill verify pattern b=0 len=%u\n", len); |
90059d65 JA |
53 | memset(p, td->o.verify_pattern, len); |
54 | break; | |
55 | case 2: | |
56 | case 3: | |
57 | case 4: { | |
58 | unsigned int pattern = td->o.verify_pattern; | |
59 | unsigned int i = 0; | |
60 | unsigned char c1, c2, c3, c4; | |
61 | unsigned char *b = p; | |
62 | ||
bd6f78b2 JA |
63 | dprint(FD_VERIFY, "fill verify pattern b=%d len=%u\n", |
64 | td->o.verify_pattern_bytes, len); | |
65 | ||
90059d65 JA |
66 | c1 = pattern & 0xff; |
67 | pattern >>= 8; | |
68 | c2 = pattern & 0xff; | |
69 | pattern >>= 8; | |
70 | c3 = pattern & 0xff; | |
71 | pattern >>= 8; | |
72 | c4 = pattern & 0xff; | |
73 | ||
74 | while (i < len) { | |
75 | b[i++] = c1; | |
76 | if (i == len) | |
77 | break; | |
78 | b[i++] = c2; | |
79 | if (td->o.verify_pattern_bytes == 2 || i == len) | |
80 | continue; | |
81 | b[i++] = c3; | |
82 | if (td->o.verify_pattern_bytes == 3 || i == len) | |
83 | continue; | |
84 | b[i++] = c4; | |
85 | } | |
86 | break; | |
87 | } | |
88 | } | |
89 | } | |
90 | ||
4764aec9 | 91 | static void memswp(void *buf1, void *buf2, unsigned int len) |
546a9142 | 92 | { |
dee6de74 SL |
93 | char swap[200]; |
94 | ||
95 | assert(len <= sizeof(swap)); | |
90059d65 | 96 | |
546a9142 SL |
97 | memcpy(&swap, buf1, len); |
98 | memcpy(buf1, buf2, len); | |
99 | memcpy(buf2, &swap, len); | |
100 | } | |
101 | ||
e29d1b70 JA |
102 | static void hexdump(void *buffer, int len) |
103 | { | |
104 | unsigned char *p = buffer; | |
105 | int i; | |
106 | ||
107 | for (i = 0; i < len; i++) | |
6d86144d JA |
108 | log_info("%02x", p[i]); |
109 | log_info("\n"); | |
e29d1b70 JA |
110 | } |
111 | ||
87677832 JA |
112 | /* |
113 | * Prepare for seperation of verify_header and checksum header | |
114 | */ | |
546dfd9f | 115 | static inline unsigned int __hdr_size(int verify_type) |
87677832 | 116 | { |
5921e80c | 117 | unsigned int len = len; |
87677832 | 118 | |
546dfd9f JA |
119 | switch (verify_type) { |
120 | case VERIFY_NONE: | |
121 | case VERIFY_NULL: | |
122 | len = 0; | |
123 | break; | |
124 | case VERIFY_MD5: | |
125 | len = sizeof(struct vhdr_md5); | |
126 | break; | |
127 | case VERIFY_CRC64: | |
128 | len = sizeof(struct vhdr_crc64); | |
129 | break; | |
bac39e0e | 130 | case VERIFY_CRC32C: |
546dfd9f | 131 | case VERIFY_CRC32: |
3845591f | 132 | case VERIFY_CRC32C_INTEL: |
546dfd9f JA |
133 | len = sizeof(struct vhdr_crc32); |
134 | break; | |
135 | case VERIFY_CRC16: | |
136 | len = sizeof(struct vhdr_crc16); | |
137 | break; | |
138 | case VERIFY_CRC7: | |
139 | len = sizeof(struct vhdr_crc7); | |
140 | break; | |
141 | case VERIFY_SHA256: | |
142 | len = sizeof(struct vhdr_sha256); | |
143 | break; | |
144 | case VERIFY_SHA512: | |
145 | len = sizeof(struct vhdr_sha512); | |
146 | break; | |
7437ee87 SL |
147 | case VERIFY_META: |
148 | len = sizeof(struct vhdr_meta); | |
149 | break; | |
546dfd9f JA |
150 | default: |
151 | log_err("fio: unknown verify header!\n"); | |
152 | assert(0); | |
153 | } | |
154 | ||
155 | return len + sizeof(struct verify_header); | |
87677832 JA |
156 | } |
157 | ||
158 | static inline unsigned int hdr_size(struct verify_header *hdr) | |
159 | { | |
546dfd9f JA |
160 | return __hdr_size(hdr->verify_type); |
161 | } | |
162 | ||
163 | static void *hdr_priv(struct verify_header *hdr) | |
164 | { | |
165 | void *priv = hdr; | |
166 | ||
167 | return priv + sizeof(struct verify_header); | |
87677832 JA |
168 | } |
169 | ||
d9f2caf3 JA |
170 | /* |
171 | * Return data area 'header_num' | |
172 | */ | |
173 | static inline void *io_u_verify_off(struct verify_header *hdr, | |
5ec10eaa | 174 | struct io_u *io_u, unsigned char header_num) |
d9f2caf3 | 175 | { |
87677832 | 176 | return io_u->buf + header_num * hdr->len + hdr_size(hdr); |
d9f2caf3 JA |
177 | } |
178 | ||
7437ee87 | 179 | static int verify_io_u_meta(struct verify_header *hdr, struct thread_data *td, |
5ec10eaa | 180 | struct io_u *io_u, unsigned int header_num) |
7437ee87 SL |
181 | { |
182 | struct vhdr_meta *vh = hdr_priv(hdr); | |
183 | ||
bd6f78b2 JA |
184 | dprint(FD_VERIFY, "meta verify io_u %p, len %u\n", io_u, hdr->len); |
185 | ||
7437ee87 SL |
186 | if (vh->offset != io_u->offset + header_num * td->o.verify_interval) { |
187 | log_err("meta: verify failed at %llu/%u\n", | |
5ec10eaa | 188 | io_u->offset + header_num * hdr->len, hdr->len); |
9fd18969 | 189 | return EILSEQ; |
7437ee87 SL |
190 | } |
191 | ||
192 | return 0; | |
193 | } | |
194 | ||
cd14cc10 JA |
195 | static int verify_io_u_sha512(struct verify_header *hdr, struct io_u *io_u, |
196 | unsigned int header_num) | |
197 | { | |
198 | void *p = io_u_verify_off(hdr, io_u, header_num); | |
546dfd9f | 199 | struct vhdr_sha512 *vh = hdr_priv(hdr); |
cd14cc10 JA |
200 | uint8_t sha512[128]; |
201 | struct sha512_ctx sha512_ctx = { | |
202 | .buf = sha512, | |
203 | }; | |
204 | ||
bd6f78b2 JA |
205 | dprint(FD_VERIFY, "sha512 verify io_u %p, len %u\n", io_u, hdr->len); |
206 | ||
cd14cc10 | 207 | sha512_init(&sha512_ctx); |
87677832 | 208 | sha512_update(&sha512_ctx, p, hdr->len - hdr_size(hdr)); |
cd14cc10 | 209 | |
546dfd9f | 210 | if (memcmp(vh->sha512, sha512_ctx.buf, sizeof(sha512))) { |
cd14cc10 | 211 | log_err("sha512: verify failed at %llu/%u\n", |
5ec10eaa | 212 | io_u->offset + header_num * hdr->len, hdr->len); |
546dfd9f | 213 | hexdump(vh->sha512, sizeof(vh->sha512)); |
cd14cc10 | 214 | hexdump(sha512_ctx.buf, sizeof(sha512)); |
9fd18969 | 215 | return EILSEQ; |
cd14cc10 JA |
216 | } |
217 | ||
218 | return 0; | |
219 | } | |
220 | ||
221 | static int verify_io_u_sha256(struct verify_header *hdr, struct io_u *io_u, | |
222 | unsigned int header_num) | |
223 | { | |
224 | void *p = io_u_verify_off(hdr, io_u, header_num); | |
546dfd9f | 225 | struct vhdr_sha256 *vh = hdr_priv(hdr); |
cd14cc10 JA |
226 | uint8_t sha256[128]; |
227 | struct sha256_ctx sha256_ctx = { | |
228 | .buf = sha256, | |
229 | }; | |
230 | ||
bd6f78b2 JA |
231 | dprint(FD_VERIFY, "sha256 verify io_u %p, len %u\n", io_u, hdr->len); |
232 | ||
cd14cc10 | 233 | sha256_init(&sha256_ctx); |
87677832 | 234 | sha256_update(&sha256_ctx, p, hdr->len - hdr_size(hdr)); |
cd14cc10 | 235 | |
546dfd9f | 236 | if (memcmp(vh->sha256, sha256_ctx.buf, sizeof(sha256))) { |
cd14cc10 | 237 | log_err("sha256: verify failed at %llu/%u\n", |
5ec10eaa | 238 | io_u->offset + header_num * hdr->len, hdr->len); |
546dfd9f | 239 | hexdump(vh->sha256, sizeof(vh->sha256)); |
cd14cc10 | 240 | hexdump(sha256_ctx.buf, sizeof(sha256)); |
9fd18969 | 241 | return EILSEQ; |
cd14cc10 JA |
242 | } |
243 | ||
244 | return 0; | |
245 | } | |
246 | ||
3f9f4e26 | 247 | static int verify_io_u_crc7(struct verify_header *hdr, struct io_u *io_u, |
5ec10eaa | 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 | 259 | log_err("crc7: verify failed at %llu/%u\n", |
5ec10eaa | 260 | io_u->offset + header_num * hdr->len, hdr->len); |
546dfd9f | 261 | log_err("crc7: wanted %x, got %x\n", vh->crc7, c); |
9fd18969 | 262 | return EILSEQ; |
1e154bdb JA |
263 | } |
264 | ||
265 | return 0; | |
266 | } | |
267 | ||
3f9f4e26 | 268 | static int verify_io_u_crc16(struct verify_header *hdr, struct io_u *io_u, |
5ec10eaa | 269 | unsigned int header_num) |
969f7ed3 | 270 | { |
d9f2caf3 | 271 | void *p = io_u_verify_off(hdr, io_u, header_num); |
546dfd9f | 272 | struct vhdr_crc16 *vh = hdr_priv(hdr); |
969f7ed3 JA |
273 | unsigned short c; |
274 | ||
bd6f78b2 JA |
275 | dprint(FD_VERIFY, "crc16 verify io_u %p, len %u\n", io_u, hdr->len); |
276 | ||
87677832 | 277 | c = crc16(p, hdr->len - hdr_size(hdr)); |
969f7ed3 | 278 | |
546dfd9f | 279 | if (c != vh->crc16) { |
3f9f4e26 | 280 | log_err("crc16: verify failed at %llu/%u\n", |
5ec10eaa | 281 | io_u->offset + header_num * hdr->len, hdr->len); |
546dfd9f | 282 | log_err("crc16: wanted %x, got %x\n", vh->crc16, c); |
9fd18969 | 283 | return EILSEQ; |
969f7ed3 JA |
284 | } |
285 | ||
286 | return 0; | |
287 | } | |
288 | ||
3f9f4e26 | 289 | static int verify_io_u_crc64(struct verify_header *hdr, struct io_u *io_u, |
5ec10eaa | 290 | unsigned int header_num) |
d77a7af3 | 291 | { |
d9f2caf3 | 292 | void *p = io_u_verify_off(hdr, io_u, header_num); |
546dfd9f | 293 | struct vhdr_crc64 *vh = hdr_priv(hdr); |
d77a7af3 JA |
294 | unsigned long long c; |
295 | ||
bd6f78b2 JA |
296 | dprint(FD_VERIFY, "crc64 verify io_u %p, len %u\n", io_u, hdr->len); |
297 | ||
87677832 | 298 | c = crc64(p, hdr->len - hdr_size(hdr)); |
d77a7af3 | 299 | |
546dfd9f | 300 | if (c != vh->crc64) { |
3f9f4e26 SL |
301 | log_err("crc64: verify failed at %llu/%u\n", |
302 | io_u->offset + header_num * hdr->len, | |
303 | hdr->len); | |
5ec10eaa JA |
304 | log_err("crc64: wanted %llx, got %llx\n", |
305 | (unsigned long long) vh->crc64, c); | |
9fd18969 | 306 | return EILSEQ; |
d77a7af3 JA |
307 | } |
308 | ||
309 | return 0; | |
310 | } | |
311 | ||
3f9f4e26 | 312 | static int verify_io_u_crc32(struct verify_header *hdr, struct io_u *io_u, |
5ec10eaa | 313 | unsigned int header_num) |
e29d1b70 | 314 | { |
d9f2caf3 | 315 | void *p = io_u_verify_off(hdr, io_u, header_num); |
546dfd9f JA |
316 | struct vhdr_crc32 *vh = hdr_priv(hdr); |
317 | uint32_t c; | |
e29d1b70 | 318 | |
bd6f78b2 JA |
319 | dprint(FD_VERIFY, "crc32 verify io_u %p, len %u\n", io_u, hdr->len); |
320 | ||
87677832 | 321 | c = crc32(p, hdr->len - hdr_size(hdr)); |
e29d1b70 | 322 | |
546dfd9f | 323 | if (c != vh->crc32) { |
3f9f4e26 | 324 | log_err("crc32: verify failed at %llu/%u\n", |
5ec10eaa | 325 | io_u->offset + header_num * hdr->len, hdr->len); |
546dfd9f | 326 | log_err("crc32: wanted %x, got %x\n", vh->crc32, c); |
9fd18969 | 327 | return EILSEQ; |
e29d1b70 JA |
328 | } |
329 | ||
330 | return 0; | |
331 | } | |
332 | ||
bac39e0e JA |
333 | static int verify_io_u_crc32c(struct verify_header *hdr, struct io_u *io_u, |
334 | unsigned int header_num) | |
335 | { | |
336 | void *p = io_u_verify_off(hdr, io_u, header_num); | |
337 | struct vhdr_crc32 *vh = hdr_priv(hdr); | |
338 | uint32_t c; | |
339 | ||
340 | dprint(FD_VERIFY, "crc32c verify io_u %p, len %u\n", io_u, hdr->len); | |
341 | ||
3845591f JA |
342 | if (hdr->verify_type == VERIFY_CRC32C_INTEL) |
343 | c = crc32c_intel(p, hdr->len - hdr_size(hdr)); | |
344 | else | |
345 | c = crc32c(p, hdr->len - hdr_size(hdr)); | |
bac39e0e JA |
346 | |
347 | if (c != vh->crc32) { | |
348 | log_err("crc32c: verify failed at %llu/%u\n", | |
349 | io_u->offset + header_num * hdr->len, hdr->len); | |
350 | log_err("crc32c: wanted %x, got %x\n", vh->crc32, c); | |
9fd18969 | 351 | return EILSEQ; |
bac39e0e JA |
352 | } |
353 | ||
354 | return 0; | |
355 | } | |
356 | ||
3f9f4e26 | 357 | static int verify_io_u_md5(struct verify_header *hdr, struct io_u *io_u, |
5ec10eaa | 358 | unsigned int header_num) |
e29d1b70 | 359 | { |
d9f2caf3 | 360 | void *p = io_u_verify_off(hdr, io_u, header_num); |
546dfd9f | 361 | struct vhdr_md5 *vh = hdr_priv(hdr); |
8c432325 JA |
362 | uint32_t hash[MD5_HASH_WORDS]; |
363 | struct md5_ctx md5_ctx = { | |
364 | .hash = hash, | |
365 | }; | |
e29d1b70 | 366 | |
bd6f78b2 JA |
367 | dprint(FD_VERIFY, "md5 verify io_u %p, len %u\n", io_u, hdr->len); |
368 | ||
61f821f1 | 369 | md5_init(&md5_ctx); |
87677832 | 370 | md5_update(&md5_ctx, p, hdr->len - hdr_size(hdr)); |
e29d1b70 | 371 | |
546dfd9f | 372 | if (memcmp(vh->md5_digest, md5_ctx.hash, sizeof(hash))) { |
3f9f4e26 | 373 | log_err("md5: verify failed at %llu/%u\n", |
5ec10eaa | 374 | io_u->offset + header_num * hdr->len, hdr->len); |
546dfd9f | 375 | hexdump(vh->md5_digest, sizeof(vh->md5_digest)); |
8c432325 | 376 | hexdump(md5_ctx.hash, sizeof(hash)); |
9fd18969 | 377 | return EILSEQ; |
e29d1b70 JA |
378 | } |
379 | ||
380 | return 0; | |
381 | } | |
382 | ||
3f199b01 JA |
383 | static unsigned int hweight8(unsigned int w) |
384 | { | |
385 | unsigned int res = w - ((w >> 1) & 0x55); | |
386 | ||
387 | res = (res & 0x33) + ((res >> 2) & 0x33); | |
388 | return (res + (res >> 4)) & 0x0F; | |
389 | } | |
390 | ||
a944e335 | 391 | int verify_io_u_pattern(unsigned long pattern, unsigned long pattern_size, |
5ec10eaa | 392 | char *buf, unsigned int len, unsigned int mod) |
a944e335 SL |
393 | { |
394 | unsigned int i; | |
395 | char split_pattern[4]; | |
396 | ||
397 | for (i = 0; i < 4; i++) { | |
398 | split_pattern[i] = pattern & 0xff; | |
399 | pattern >>= 8; | |
400 | } | |
401 | ||
402 | for (i = 0; i < len; i++) { | |
3f199b01 JA |
403 | if (buf[i] != split_pattern[mod]) { |
404 | unsigned int bits; | |
405 | ||
406 | bits = hweight8(buf[i] ^ split_pattern[mod]); | |
407 | log_err("fio: got pattern %x, wanted %x. Bad bits %d\n", | |
408 | buf[i], split_pattern[mod], bits); | |
409 | log_err("fio: bad pattern block offset %u\n", i); | |
9fd18969 | 410 | return EILSEQ; |
3f199b01 | 411 | } |
a944e335 SL |
412 | mod++; |
413 | if (mod == pattern_size) | |
414 | mod = 0; | |
415 | } | |
416 | ||
417 | return 0; | |
418 | } | |
419 | ||
36690c9b | 420 | int verify_io_u(struct thread_data *td, struct io_u *io_u) |
e29d1b70 | 421 | { |
3f9f4e26 | 422 | struct verify_header *hdr; |
a944e335 | 423 | unsigned int hdr_size, hdr_inc, hdr_num = 0; |
95646108 | 424 | void *p; |
e29d1b70 JA |
425 | int ret; |
426 | ||
1dcc0498 | 427 | if (td->o.verify == VERIFY_NULL || io_u->ddir != DDIR_READ) |
36690c9b JA |
428 | return 0; |
429 | ||
3f9f4e26 | 430 | hdr_inc = io_u->buflen; |
a59e170d JA |
431 | if (td->o.verify_interval) |
432 | hdr_inc = td->o.verify_interval; | |
e29d1b70 | 433 | |
a12a3b4d | 434 | ret = 0; |
5ec10eaa JA |
435 | for (p = io_u->buf; p < io_u->buf + io_u->buflen; |
436 | p += hdr_inc, hdr_num++) { | |
a12a3b4d JA |
437 | if (ret && td->o.verify_fatal) { |
438 | td->terminate = 1; | |
439 | break; | |
440 | } | |
a944e335 | 441 | hdr_size = __hdr_size(td->o.verify); |
a59e170d | 442 | if (td->o.verify_offset) |
a944e335 | 443 | memswp(p, p + td->o.verify_offset, hdr_size); |
95646108 | 444 | hdr = p; |
e29d1b70 | 445 | |
3f199b01 JA |
446 | if (hdr->fio_magic != FIO_HDR_MAGIC) { |
447 | log_err("Bad verify header %x\n", hdr->fio_magic); | |
9fd18969 | 448 | return EILSEQ; |
3f199b01 JA |
449 | } |
450 | ||
e28218f3 | 451 | if (td->o.verify_pattern_bytes) { |
bd6f78b2 JA |
452 | dprint(FD_VERIFY, "pattern verify io_u %p, len %u\n", |
453 | io_u, hdr->len); | |
e28218f3 | 454 | ret = verify_io_u_pattern(td->o.verify_pattern, |
5ec10eaa JA |
455 | td->o.verify_pattern_bytes, |
456 | p + hdr_size, | |
457 | hdr_inc - hdr_size, | |
458 | hdr_size % 4); | |
e28218f3 SL |
459 | if (ret) |
460 | log_err("fio: verify failed at %llu/%u\n", | |
461 | io_u->offset + hdr_num * hdr->len, | |
462 | hdr->len); | |
463 | continue; | |
464 | } | |
465 | ||
3f9f4e26 SL |
466 | switch (hdr->verify_type) { |
467 | case VERIFY_MD5: | |
468 | ret = verify_io_u_md5(hdr, io_u, hdr_num); | |
469 | break; | |
470 | case VERIFY_CRC64: | |
471 | ret = verify_io_u_crc64(hdr, io_u, hdr_num); | |
472 | break; | |
bac39e0e | 473 | case VERIFY_CRC32C: |
3845591f | 474 | case VERIFY_CRC32C_INTEL: |
bac39e0e JA |
475 | ret = verify_io_u_crc32c(hdr, io_u, hdr_num); |
476 | break; | |
3f9f4e26 SL |
477 | case VERIFY_CRC32: |
478 | ret = verify_io_u_crc32(hdr, io_u, hdr_num); | |
479 | break; | |
480 | case VERIFY_CRC16: | |
481 | ret = verify_io_u_crc16(hdr, io_u, hdr_num); | |
482 | break; | |
483 | case VERIFY_CRC7: | |
484 | ret = verify_io_u_crc7(hdr, io_u, hdr_num); | |
485 | break; | |
cd14cc10 JA |
486 | case VERIFY_SHA256: |
487 | ret = verify_io_u_sha256(hdr, io_u, hdr_num); | |
488 | break; | |
489 | case VERIFY_SHA512: | |
490 | ret = verify_io_u_sha512(hdr, io_u, hdr_num); | |
491 | break; | |
7437ee87 SL |
492 | case VERIFY_META: |
493 | ret = verify_io_u_meta(hdr, td, io_u, hdr_num); | |
494 | break; | |
3f9f4e26 SL |
495 | default: |
496 | log_err("Bad verify type %u\n", hdr->verify_type); | |
d16d4e09 | 497 | ret = EINVAL; |
3f9f4e26 | 498 | } |
3f9f4e26 | 499 | } |
a7dfe862 | 500 | |
a12a3b4d | 501 | return ret; |
e29d1b70 JA |
502 | } |
503 | ||
7437ee87 | 504 | static void fill_meta(struct verify_header *hdr, struct thread_data *td, |
5ec10eaa | 505 | struct io_u *io_u, unsigned int header_num) |
7437ee87 SL |
506 | { |
507 | struct vhdr_meta *vh = hdr_priv(hdr); | |
508 | ||
509 | vh->thread = td->thread_number; | |
510 | ||
511 | vh->time_sec = io_u->start_time.tv_sec; | |
512 | vh->time_usec = io_u->start_time.tv_usec; | |
513 | ||
514 | vh->numberio = td->io_issues[DDIR_WRITE]; | |
515 | ||
516 | vh->offset = io_u->offset + header_num * td->o.verify_interval; | |
517 | } | |
518 | ||
cd14cc10 JA |
519 | static void fill_sha512(struct verify_header *hdr, void *p, unsigned int len) |
520 | { | |
546dfd9f | 521 | struct vhdr_sha512 *vh = hdr_priv(hdr); |
cd14cc10 | 522 | struct sha512_ctx sha512_ctx = { |
546dfd9f | 523 | .buf = vh->sha512, |
cd14cc10 JA |
524 | }; |
525 | ||
526 | sha512_init(&sha512_ctx); | |
527 | sha512_update(&sha512_ctx, p, len); | |
528 | } | |
529 | ||
530 | static void fill_sha256(struct verify_header *hdr, void *p, unsigned int len) | |
531 | { | |
546dfd9f | 532 | struct vhdr_sha256 *vh = hdr_priv(hdr); |
cd14cc10 | 533 | struct sha256_ctx sha256_ctx = { |
546dfd9f | 534 | .buf = vh->sha256, |
cd14cc10 JA |
535 | }; |
536 | ||
537 | sha256_init(&sha256_ctx); | |
538 | sha256_update(&sha256_ctx, p, len); | |
539 | } | |
540 | ||
1e154bdb JA |
541 | static void fill_crc7(struct verify_header *hdr, void *p, unsigned int len) |
542 | { | |
546dfd9f JA |
543 | struct vhdr_crc7 *vh = hdr_priv(hdr); |
544 | ||
545 | vh->crc7 = crc7(p, len); | |
1e154bdb JA |
546 | } |
547 | ||
969f7ed3 JA |
548 | static void fill_crc16(struct verify_header *hdr, void *p, unsigned int len) |
549 | { | |
546dfd9f JA |
550 | struct vhdr_crc16 *vh = hdr_priv(hdr); |
551 | ||
552 | vh->crc16 = crc16(p, len); | |
969f7ed3 JA |
553 | } |
554 | ||
e29d1b70 JA |
555 | static void fill_crc32(struct verify_header *hdr, void *p, unsigned int len) |
556 | { | |
546dfd9f JA |
557 | struct vhdr_crc32 *vh = hdr_priv(hdr); |
558 | ||
559 | vh->crc32 = crc32(p, len); | |
e29d1b70 JA |
560 | } |
561 | ||
bac39e0e JA |
562 | static void fill_crc32c(struct verify_header *hdr, void *p, unsigned int len) |
563 | { | |
564 | struct vhdr_crc32 *vh = hdr_priv(hdr); | |
565 | ||
3845591f JA |
566 | if (hdr->verify_type == VERIFY_CRC32C_INTEL) |
567 | vh->crc32 = crc32c_intel(p, len); | |
568 | else | |
569 | vh->crc32 = crc32c(p, len); | |
bac39e0e JA |
570 | } |
571 | ||
d77a7af3 JA |
572 | static void fill_crc64(struct verify_header *hdr, void *p, unsigned int len) |
573 | { | |
546dfd9f JA |
574 | struct vhdr_crc64 *vh = hdr_priv(hdr); |
575 | ||
576 | vh->crc64 = crc64(p, len); | |
d77a7af3 JA |
577 | } |
578 | ||
e29d1b70 JA |
579 | static void fill_md5(struct verify_header *hdr, void *p, unsigned int len) |
580 | { | |
546dfd9f | 581 | struct vhdr_md5 *vh = hdr_priv(hdr); |
8c432325 | 582 | struct md5_ctx md5_ctx = { |
546dfd9f | 583 | .hash = (uint32_t *) vh->md5_digest, |
8c432325 | 584 | }; |
e29d1b70 | 585 | |
61f821f1 | 586 | md5_init(&md5_ctx); |
e29d1b70 | 587 | md5_update(&md5_ctx, p, len); |
e29d1b70 JA |
588 | } |
589 | ||
590 | /* | |
591 | * fill body of io_u->buf with random data and add a header with the | |
592 | * crc32 or md5 sum of that data. | |
593 | */ | |
594 | void populate_verify_io_u(struct thread_data *td, struct io_u *io_u) | |
595 | { | |
baefa9be | 596 | struct verify_header *hdr; |
95646108 | 597 | void *p = io_u->buf, *data; |
7437ee87 | 598 | unsigned int hdr_inc, data_len, header_num = 0; |
e29d1b70 | 599 | |
9cc3d150 JA |
600 | if (td->o.verify == VERIFY_NULL) |
601 | return; | |
602 | ||
90059d65 | 603 | fill_pattern(td, p, io_u->buflen); |
546a9142 SL |
604 | |
605 | hdr_inc = io_u->buflen; | |
a59e170d JA |
606 | if (td->o.verify_interval) |
607 | hdr_inc = td->o.verify_interval; | |
baefa9be | 608 | |
5ec10eaa | 609 | for (; p < io_u->buf + io_u->buflen; p += hdr_inc) { |
95646108 | 610 | hdr = p; |
3f9f4e26 SL |
611 | |
612 | hdr->fio_magic = FIO_HDR_MAGIC; | |
613 | hdr->verify_type = td->o.verify; | |
546a9142 | 614 | hdr->len = hdr_inc; |
87677832 | 615 | data_len = hdr_inc - hdr_size(hdr); |
3f9f4e26 | 616 | |
87677832 | 617 | data = p + hdr_size(hdr); |
3f9f4e26 SL |
618 | switch (td->o.verify) { |
619 | case VERIFY_MD5: | |
bd6f78b2 JA |
620 | dprint(FD_VERIFY, "fill md5 io_u %p, len %u\n", |
621 | io_u, hdr->len); | |
3f9f4e26 SL |
622 | fill_md5(hdr, data, data_len); |
623 | break; | |
624 | case VERIFY_CRC64: | |
bd6f78b2 JA |
625 | dprint(FD_VERIFY, "fill crc64 io_u %p, len %u\n", |
626 | io_u, hdr->len); | |
3f9f4e26 SL |
627 | fill_crc64(hdr, data, data_len); |
628 | break; | |
bac39e0e | 629 | case VERIFY_CRC32C: |
3845591f | 630 | case VERIFY_CRC32C_INTEL: |
bac39e0e JA |
631 | dprint(FD_VERIFY, "fill crc32c io_u %p, len %u\n", |
632 | io_u, hdr->len); | |
633 | fill_crc32c(hdr, data, data_len); | |
634 | break; | |
3f9f4e26 | 635 | case VERIFY_CRC32: |
bd6f78b2 JA |
636 | dprint(FD_VERIFY, "fill crc32 io_u %p, len %u\n", |
637 | io_u, hdr->len); | |
3f9f4e26 SL |
638 | fill_crc32(hdr, data, data_len); |
639 | break; | |
640 | case VERIFY_CRC16: | |
bd6f78b2 JA |
641 | dprint(FD_VERIFY, "fill crc16 io_u %p, len %u\n", |
642 | io_u, hdr->len); | |
3f9f4e26 SL |
643 | fill_crc16(hdr, data, data_len); |
644 | break; | |
645 | case VERIFY_CRC7: | |
bd6f78b2 JA |
646 | dprint(FD_VERIFY, "fill crc7 io_u %p, len %u\n", |
647 | io_u, hdr->len); | |
3f9f4e26 SL |
648 | fill_crc7(hdr, data, data_len); |
649 | break; | |
cd14cc10 | 650 | case VERIFY_SHA256: |
bd6f78b2 JA |
651 | dprint(FD_VERIFY, "fill sha256 io_u %p, len %u\n", |
652 | io_u, hdr->len); | |
cd14cc10 JA |
653 | fill_sha256(hdr, data, data_len); |
654 | break; | |
655 | case VERIFY_SHA512: | |
bd6f78b2 JA |
656 | dprint(FD_VERIFY, "fill sha512 io_u %p, len %u\n", |
657 | io_u, hdr->len); | |
cd14cc10 JA |
658 | fill_sha512(hdr, data, data_len); |
659 | break; | |
7437ee87 | 660 | case VERIFY_META: |
bd6f78b2 JA |
661 | dprint(FD_VERIFY, "fill meta io_u %p, len %u\n", |
662 | io_u, hdr->len); | |
7437ee87 SL |
663 | fill_meta(hdr, td, io_u, header_num); |
664 | break; | |
3f9f4e26 SL |
665 | default: |
666 | log_err("fio: bad verify type: %d\n", td->o.verify); | |
667 | assert(0); | |
668 | } | |
a59e170d | 669 | if (td->o.verify_offset) |
87677832 | 670 | memswp(p, p + td->o.verify_offset, hdr_size(hdr)); |
7437ee87 | 671 | header_num++; |
e29d1b70 | 672 | } |
e29d1b70 JA |
673 | } |
674 | ||
675 | int get_next_verify(struct thread_data *td, struct io_u *io_u) | |
676 | { | |
8de8f047 | 677 | struct io_piece *ipo = NULL; |
e29d1b70 | 678 | |
d2d7fa53 JA |
679 | /* |
680 | * this io_u is from a requeue, we already filled the offsets | |
681 | */ | |
682 | if (io_u->file) | |
683 | return 0; | |
684 | ||
8de8f047 JA |
685 | if (!RB_EMPTY_ROOT(&td->io_hist_tree)) { |
686 | struct rb_node *n = rb_first(&td->io_hist_tree); | |
e29d1b70 | 687 | |
8de8f047 | 688 | ipo = rb_entry(n, struct io_piece, rb_node); |
4b87898e | 689 | rb_erase(n, &td->io_hist_tree); |
01743ee1 JA |
690 | } else if (!flist_empty(&td->io_hist_list)) { |
691 | ipo = flist_entry(td->io_hist_list.next, struct io_piece, list); | |
692 | flist_del(&ipo->list); | |
8de8f047 | 693 | } |
e29d1b70 | 694 | |
8de8f047 | 695 | if (ipo) { |
e29d1b70 JA |
696 | io_u->offset = ipo->offset; |
697 | io_u->buflen = ipo->len; | |
36167d82 | 698 | io_u->file = ipo->file; |
97af62ce | 699 | |
d6aed795 | 700 | if (!fio_file_open(io_u->file)) { |
97af62ce JA |
701 | int r = td_io_open_file(td, io_u->file); |
702 | ||
bd6f78b2 JA |
703 | if (r) { |
704 | dprint(FD_VERIFY, "failed file %s open\n", | |
705 | io_u->file->file_name); | |
97af62ce | 706 | return 1; |
bd6f78b2 | 707 | } |
97af62ce JA |
708 | } |
709 | ||
710 | get_file(ipo->file); | |
d6aed795 | 711 | assert(fio_file_open(io_u->file)); |
e29d1b70 | 712 | io_u->ddir = DDIR_READ; |
36167d82 JA |
713 | io_u->xfer_buf = io_u->buf; |
714 | io_u->xfer_buflen = io_u->buflen; | |
e29d1b70 | 715 | free(ipo); |
bd6f78b2 | 716 | dprint(FD_VERIFY, "get_next_verify: ret io_u %p\n", io_u); |
e29d1b70 JA |
717 | return 0; |
718 | } | |
719 | ||
bd6f78b2 | 720 | dprint(FD_VERIFY, "get_next_verify: empty\n"); |
e29d1b70 JA |
721 | return 1; |
722 | } |