Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 1 | /* |
| 2 | * IO verification helpers |
| 3 | */ |
| 4 | #include <unistd.h> |
| 5 | #include <fcntl.h> |
| 6 | #include <string.h> |
Jens Axboe | 97af62c | 2007-05-22 11:12:13 +0200 | [diff] [blame] | 7 | #include <assert.h> |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 8 | #include <pthread.h> |
Jens Axboe | 79402a1 | 2011-01-14 12:41:15 +0100 | [diff] [blame] | 9 | #include <libgen.h> |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 10 | |
| 11 | #include "fio.h" |
Jens Axboe | 4f5af7b | 2009-06-03 08:45:40 +0200 | [diff] [blame] | 12 | #include "verify.h" |
Jens Axboe | 0d29de8 | 2010-09-01 13:54:15 +0200 | [diff] [blame] | 13 | #include "trim.h" |
Jens Axboe | 637ef8d | 2010-06-21 20:39:38 +0200 | [diff] [blame] | 14 | #include "lib/rand.h" |
Jens Axboe | 51aa2da | 2013-01-21 10:55:02 -0700 | [diff] [blame] | 15 | #include "lib/hweight.h" |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 16 | |
Jens Axboe | eef6eea | 2007-07-30 12:27:58 +0200 | [diff] [blame] | 17 | #include "crc/md5.h" |
| 18 | #include "crc/crc64.h" |
| 19 | #include "crc/crc32.h" |
Jens Axboe | bac39e0 | 2008-06-11 20:46:19 +0200 | [diff] [blame] | 20 | #include "crc/crc32c.h" |
Jens Axboe | eef6eea | 2007-07-30 12:27:58 +0200 | [diff] [blame] | 21 | #include "crc/crc16.h" |
| 22 | #include "crc/crc7.h" |
| 23 | #include "crc/sha256.h" |
| 24 | #include "crc/sha512.h" |
Jens Axboe | 7c353ce | 2009-08-09 22:40:33 +0200 | [diff] [blame] | 25 | #include "crc/sha1.h" |
Jens Axboe | 844ea60 | 2014-02-20 13:21:45 -0800 | [diff] [blame] | 26 | #include "crc/xxhash.h" |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 27 | |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 28 | static void populate_hdr(struct thread_data *td, struct io_u *io_u, |
| 29 | struct verify_header *hdr, unsigned int header_num, |
| 30 | unsigned int header_len); |
| 31 | |
Jens Axboe | ce35b1e | 2014-01-14 15:35:58 -0700 | [diff] [blame] | 32 | static void fill_pattern(struct thread_data *td, void *p, unsigned int len, |
| 33 | char *pattern, unsigned int pattern_bytes) |
Jens Axboe | 90059d6 | 2007-07-30 09:33:12 +0200 | [diff] [blame] | 34 | { |
Jens Axboe | ce35b1e | 2014-01-14 15:35:58 -0700 | [diff] [blame] | 35 | switch (pattern_bytes) { |
Jens Axboe | 90059d6 | 2007-07-30 09:33:12 +0200 | [diff] [blame] | 36 | case 0: |
Jens Axboe | ce35b1e | 2014-01-14 15:35:58 -0700 | [diff] [blame] | 37 | assert(0); |
Jens Axboe | 90059d6 | 2007-07-30 09:33:12 +0200 | [diff] [blame] | 38 | break; |
| 39 | case 1: |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 40 | dprint(FD_VERIFY, "fill verify pattern b=0 len=%u\n", len); |
Jens Axboe | ce35b1e | 2014-01-14 15:35:58 -0700 | [diff] [blame] | 41 | memset(p, pattern[0], len); |
Jens Axboe | 90059d6 | 2007-07-30 09:33:12 +0200 | [diff] [blame] | 42 | break; |
Radha Ramachandran | 0e92f87 | 2009-10-27 20:14:27 +0100 | [diff] [blame] | 43 | default: { |
| 44 | unsigned int i = 0, size = 0; |
Jens Axboe | 90059d6 | 2007-07-30 09:33:12 +0200 | [diff] [blame] | 45 | unsigned char *b = p; |
| 46 | |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 47 | dprint(FD_VERIFY, "fill verify pattern b=%d len=%u\n", |
Jens Axboe | ce35b1e | 2014-01-14 15:35:58 -0700 | [diff] [blame] | 48 | pattern_bytes, len); |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 49 | |
Jens Axboe | 90059d6 | 2007-07-30 09:33:12 +0200 | [diff] [blame] | 50 | while (i < len) { |
Jens Axboe | ce35b1e | 2014-01-14 15:35:58 -0700 | [diff] [blame] | 51 | size = pattern_bytes; |
Radha Ramachandran | 0e92f87 | 2009-10-27 20:14:27 +0100 | [diff] [blame] | 52 | if (size > (len - i)) |
| 53 | size = len - i; |
Jens Axboe | ce35b1e | 2014-01-14 15:35:58 -0700 | [diff] [blame] | 54 | memcpy(b+i, pattern, size); |
Radha Ramachandran | 0e92f87 | 2009-10-27 20:14:27 +0100 | [diff] [blame] | 55 | i += size; |
Jens Axboe | 90059d6 | 2007-07-30 09:33:12 +0200 | [diff] [blame] | 56 | } |
| 57 | break; |
| 58 | } |
| 59 | } |
| 60 | } |
| 61 | |
Jens Axboe | ce35b1e | 2014-01-14 15:35:58 -0700 | [diff] [blame] | 62 | void fill_buffer_pattern(struct thread_data *td, void *p, unsigned int len) |
| 63 | { |
| 64 | fill_pattern(td, p, len, td->o.buffer_pattern, td->o.buffer_pattern_bytes); |
| 65 | } |
| 66 | |
| 67 | void fill_verify_pattern(struct thread_data *td, void *p, unsigned int len, |
| 68 | struct io_u *io_u, unsigned long seed, int use_seed) |
| 69 | { |
| 70 | if (!td->o.verify_pattern_bytes) { |
| 71 | dprint(FD_VERIFY, "fill random bytes len=%u\n", len); |
| 72 | |
| 73 | if (use_seed) |
| 74 | __fill_random_buf(p, len, seed); |
| 75 | else |
Puthikorn Voravootivat | c4b6117 | 2014-02-05 10:17:11 -0700 | [diff] [blame] | 76 | io_u->rand_seed = fill_random_buf(&td->__verify_state, p, len); |
Jens Axboe | ce35b1e | 2014-01-14 15:35:58 -0700 | [diff] [blame] | 77 | return; |
| 78 | } |
Puthikorn Voravootivat | c4b6117 | 2014-02-05 10:17:11 -0700 | [diff] [blame] | 79 | |
Jens Axboe | ce35b1e | 2014-01-14 15:35:58 -0700 | [diff] [blame] | 80 | if (io_u->buf_filled_len >= len) { |
| 81 | dprint(FD_VERIFY, "using already filled verify pattern b=%d len=%u\n", |
| 82 | td->o.verify_pattern_bytes, len); |
| 83 | return; |
| 84 | } |
| 85 | |
| 86 | fill_pattern(td, p, len, td->o.verify_pattern, td->o.verify_pattern_bytes); |
| 87 | |
| 88 | io_u->buf_filled_len = len; |
| 89 | } |
| 90 | |
Jens Axboe | cfbcd0d | 2011-01-14 14:49:20 +0100 | [diff] [blame] | 91 | static unsigned int get_hdr_inc(struct thread_data *td, struct io_u *io_u) |
| 92 | { |
| 93 | unsigned int hdr_inc; |
| 94 | |
| 95 | hdr_inc = io_u->buflen; |
Jens Axboe | 8a99fdf | 2012-03-06 19:24:49 +0100 | [diff] [blame] | 96 | if (td->o.verify_interval && td->o.verify_interval <= io_u->buflen) |
Jens Axboe | cfbcd0d | 2011-01-14 14:49:20 +0100 | [diff] [blame] | 97 | hdr_inc = td->o.verify_interval; |
| 98 | |
| 99 | return hdr_inc; |
| 100 | } |
| 101 | |
Jens Axboe | c50ca7b | 2011-01-12 08:31:54 +0100 | [diff] [blame] | 102 | static void fill_pattern_headers(struct thread_data *td, struct io_u *io_u, |
| 103 | unsigned long seed, int use_seed) |
| 104 | { |
| 105 | unsigned int hdr_inc, header_num; |
| 106 | struct verify_header *hdr; |
| 107 | void *p = io_u->buf; |
| 108 | |
Jens Axboe | ce35b1e | 2014-01-14 15:35:58 -0700 | [diff] [blame] | 109 | fill_verify_pattern(td, p, io_u->buflen, io_u, seed, use_seed); |
Jens Axboe | c50ca7b | 2011-01-12 08:31:54 +0100 | [diff] [blame] | 110 | |
Jens Axboe | cfbcd0d | 2011-01-14 14:49:20 +0100 | [diff] [blame] | 111 | hdr_inc = get_hdr_inc(td, io_u); |
Jens Axboe | c50ca7b | 2011-01-12 08:31:54 +0100 | [diff] [blame] | 112 | header_num = 0; |
| 113 | for (; p < io_u->buf + io_u->buflen; p += hdr_inc) { |
| 114 | hdr = p; |
| 115 | populate_hdr(td, io_u, hdr, header_num, hdr_inc); |
| 116 | header_num++; |
| 117 | } |
| 118 | } |
| 119 | |
Jens Axboe | 4764aec | 2007-08-23 09:03:38 +0200 | [diff] [blame] | 120 | static void memswp(void *buf1, void *buf2, unsigned int len) |
Shawn Lewis | 546a914 | 2007-07-28 21:11:37 +0200 | [diff] [blame] | 121 | { |
Shawn Lewis | dee6de7 | 2007-08-02 22:17:52 +0200 | [diff] [blame] | 122 | char swap[200]; |
| 123 | |
| 124 | assert(len <= sizeof(swap)); |
Jens Axboe | 90059d6 | 2007-07-30 09:33:12 +0200 | [diff] [blame] | 125 | |
Shawn Lewis | 546a914 | 2007-07-28 21:11:37 +0200 | [diff] [blame] | 126 | memcpy(&swap, buf1, len); |
| 127 | memcpy(buf1, buf2, len); |
| 128 | memcpy(buf2, &swap, len); |
| 129 | } |
| 130 | |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 131 | static void hexdump(void *buffer, int len) |
| 132 | { |
| 133 | unsigned char *p = buffer; |
| 134 | int i; |
| 135 | |
| 136 | for (i = 0; i < len; i++) |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 137 | log_err("%02x", p[i]); |
| 138 | log_err("\n"); |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 139 | } |
| 140 | |
Jens Axboe | d9f2caf | 2007-07-28 21:22:03 +0200 | [diff] [blame] | 141 | /* |
Anatol Pomozov | de8f6de | 2013-09-26 16:31:34 -0700 | [diff] [blame] | 142 | * Prepare for separation of verify_header and checksum header |
Jens Axboe | 8767783 | 2007-07-30 12:08:14 +0200 | [diff] [blame] | 143 | */ |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 144 | static inline unsigned int __hdr_size(int verify_type) |
Jens Axboe | 8767783 | 2007-07-30 12:08:14 +0200 | [diff] [blame] | 145 | { |
Bruce Cran | 03e20d6 | 2011-01-02 20:14:54 +0100 | [diff] [blame] | 146 | unsigned int len = 0; |
Jens Axboe | 8767783 | 2007-07-30 12:08:14 +0200 | [diff] [blame] | 147 | |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 148 | switch (verify_type) { |
| 149 | case VERIFY_NONE: |
| 150 | case VERIFY_NULL: |
| 151 | len = 0; |
| 152 | break; |
| 153 | case VERIFY_MD5: |
| 154 | len = sizeof(struct vhdr_md5); |
| 155 | break; |
| 156 | case VERIFY_CRC64: |
| 157 | len = sizeof(struct vhdr_crc64); |
| 158 | break; |
Jens Axboe | bac39e0 | 2008-06-11 20:46:19 +0200 | [diff] [blame] | 159 | case VERIFY_CRC32C: |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 160 | case VERIFY_CRC32: |
Jens Axboe | 3845591 | 2008-08-04 15:35:26 +0200 | [diff] [blame] | 161 | case VERIFY_CRC32C_INTEL: |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 162 | len = sizeof(struct vhdr_crc32); |
| 163 | break; |
| 164 | case VERIFY_CRC16: |
| 165 | len = sizeof(struct vhdr_crc16); |
| 166 | break; |
| 167 | case VERIFY_CRC7: |
| 168 | len = sizeof(struct vhdr_crc7); |
| 169 | break; |
| 170 | case VERIFY_SHA256: |
| 171 | len = sizeof(struct vhdr_sha256); |
| 172 | break; |
| 173 | case VERIFY_SHA512: |
| 174 | len = sizeof(struct vhdr_sha512); |
| 175 | break; |
Jens Axboe | 844ea60 | 2014-02-20 13:21:45 -0800 | [diff] [blame] | 176 | case VERIFY_XXHASH: |
| 177 | len = sizeof(struct vhdr_xxhash); |
| 178 | break; |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 179 | case VERIFY_META: |
| 180 | len = sizeof(struct vhdr_meta); |
| 181 | break; |
Jens Axboe | 7c353ce | 2009-08-09 22:40:33 +0200 | [diff] [blame] | 182 | case VERIFY_SHA1: |
| 183 | len = sizeof(struct vhdr_sha1); |
| 184 | break; |
Jens Axboe | 92bf48d | 2011-01-14 21:20:42 +0100 | [diff] [blame] | 185 | case VERIFY_PATTERN: |
| 186 | len = 0; |
| 187 | break; |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 188 | default: |
| 189 | log_err("fio: unknown verify header!\n"); |
| 190 | assert(0); |
| 191 | } |
| 192 | |
| 193 | return len + sizeof(struct verify_header); |
Jens Axboe | 8767783 | 2007-07-30 12:08:14 +0200 | [diff] [blame] | 194 | } |
| 195 | |
| 196 | static inline unsigned int hdr_size(struct verify_header *hdr) |
| 197 | { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 198 | return __hdr_size(hdr->verify_type); |
| 199 | } |
| 200 | |
| 201 | static void *hdr_priv(struct verify_header *hdr) |
| 202 | { |
| 203 | void *priv = hdr; |
| 204 | |
| 205 | return priv + sizeof(struct verify_header); |
Jens Axboe | 8767783 | 2007-07-30 12:08:14 +0200 | [diff] [blame] | 206 | } |
| 207 | |
| 208 | /* |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 209 | * Verify container, pass info to verify handlers and allow them to |
| 210 | * pass info back in case of error |
| 211 | */ |
| 212 | struct vcont { |
| 213 | /* |
| 214 | * Input |
| 215 | */ |
| 216 | struct io_u *io_u; |
| 217 | unsigned int hdr_num; |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 218 | struct thread_data *td; |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 219 | |
| 220 | /* |
| 221 | * Output, only valid in case of error |
| 222 | */ |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 223 | const char *name; |
| 224 | void *good_crc; |
| 225 | void *bad_crc; |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 226 | unsigned int crc_len; |
| 227 | }; |
| 228 | |
Jens Axboe | dacbbb8 | 2014-04-14 08:43:55 -0600 | [diff] [blame] | 229 | #define DUMP_BUF_SZ 255 |
| 230 | static int dump_buf_warned; |
| 231 | |
Jens Axboe | c50ca7b | 2011-01-12 08:31:54 +0100 | [diff] [blame] | 232 | static void dump_buf(char *buf, unsigned int len, unsigned long long offset, |
| 233 | const char *type, struct fio_file *f) |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 234 | { |
Jens Axboe | dacbbb8 | 2014-04-14 08:43:55 -0600 | [diff] [blame] | 235 | char *ptr, fname[DUMP_BUF_SZ]; |
| 236 | size_t buf_left = DUMP_BUF_SZ; |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 237 | int ret, fd; |
| 238 | |
Jens Axboe | 6f260b3 | 2011-01-13 18:57:54 +0100 | [diff] [blame] | 239 | ptr = strdup(f->file_name); |
Jens Axboe | c50ca7b | 2011-01-12 08:31:54 +0100 | [diff] [blame] | 240 | |
Jens Axboe | dacbbb8 | 2014-04-14 08:43:55 -0600 | [diff] [blame] | 241 | fname[DUMP_BUF_SZ - 1] = '\0'; |
| 242 | strncpy(fname, basename(ptr), DUMP_BUF_SZ - 1); |
| 243 | |
| 244 | buf_left -= strlen(fname); |
| 245 | if (buf_left <= 0) { |
| 246 | if (!dump_buf_warned) { |
| 247 | log_err("fio: verify failure dump buffer too small\n"); |
| 248 | dump_buf_warned = 1; |
| 249 | } |
| 250 | free(ptr); |
| 251 | return; |
| 252 | } |
| 253 | |
| 254 | snprintf(fname + strlen(fname), buf_left, ".%llu.%s", offset, type); |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 255 | |
| 256 | fd = open(fname, O_CREAT | O_TRUNC | O_WRONLY, 0644); |
| 257 | if (fd < 0) { |
| 258 | perror("open verify buf file"); |
| 259 | return; |
| 260 | } |
| 261 | |
| 262 | while (len) { |
| 263 | ret = write(fd, buf, len); |
| 264 | if (!ret) |
| 265 | break; |
| 266 | else if (ret < 0) { |
| 267 | perror("write verify buf file"); |
| 268 | break; |
| 269 | } |
| 270 | len -= ret; |
| 271 | buf += ret; |
| 272 | } |
| 273 | |
| 274 | close(fd); |
Jens Axboe | c50ca7b | 2011-01-12 08:31:54 +0100 | [diff] [blame] | 275 | log_err(" %s data dumped as %s\n", type, fname); |
Jens Axboe | 6f260b3 | 2011-01-13 18:57:54 +0100 | [diff] [blame] | 276 | free(ptr); |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 277 | } |
| 278 | |
Jens Axboe | c50ca7b | 2011-01-12 08:31:54 +0100 | [diff] [blame] | 279 | /* |
| 280 | * Dump the contents of the read block and re-generate the correct data |
| 281 | * and dump that too. |
| 282 | */ |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 283 | static void dump_verify_buffers(struct verify_header *hdr, struct vcont *vc) |
| 284 | { |
| 285 | struct thread_data *td = vc->td; |
| 286 | struct io_u *io_u = vc->io_u; |
| 287 | unsigned long hdr_offset; |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 288 | struct io_u dummy; |
Jens Axboe | c50ca7b | 2011-01-12 08:31:54 +0100 | [diff] [blame] | 289 | void *buf; |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 290 | |
Steven Lang | 0dce9bc | 2011-10-25 22:41:05 +0200 | [diff] [blame] | 291 | if (!td->o.verify_dump) |
| 292 | return; |
| 293 | |
Jens Axboe | c50ca7b | 2011-01-12 08:31:54 +0100 | [diff] [blame] | 294 | /* |
| 295 | * Dump the contents we just read off disk |
| 296 | */ |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 297 | hdr_offset = vc->hdr_num * hdr->len; |
| 298 | |
Jens Axboe | c50ca7b | 2011-01-12 08:31:54 +0100 | [diff] [blame] | 299 | dump_buf(io_u->buf + hdr_offset, hdr->len, io_u->offset + hdr_offset, |
| 300 | "received", vc->io_u->file); |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 301 | |
Jens Axboe | c50ca7b | 2011-01-12 08:31:54 +0100 | [diff] [blame] | 302 | /* |
| 303 | * Allocate a new buf and re-generate the original data |
| 304 | */ |
| 305 | buf = malloc(io_u->buflen); |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 306 | dummy = *io_u; |
Jens Axboe | c50ca7b | 2011-01-12 08:31:54 +0100 | [diff] [blame] | 307 | dummy.buf = buf; |
Jens Axboe | 4aae38a | 2011-01-12 08:59:12 +0100 | [diff] [blame] | 308 | dummy.rand_seed = hdr->rand_seed; |
Jens Axboe | cfbcd0d | 2011-01-14 14:49:20 +0100 | [diff] [blame] | 309 | dummy.buf_filled_len = 0; |
Josef Bacik | 0d81daf | 2013-07-08 20:35:01 -0400 | [diff] [blame] | 310 | dummy.buflen = io_u->buflen; |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 311 | |
Jens Axboe | c50ca7b | 2011-01-12 08:31:54 +0100 | [diff] [blame] | 312 | fill_pattern_headers(td, &dummy, hdr->rand_seed, 1); |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 313 | |
Jens Axboe | c50ca7b | 2011-01-12 08:31:54 +0100 | [diff] [blame] | 314 | dump_buf(buf + hdr_offset, hdr->len, io_u->offset + hdr_offset, |
| 315 | "expected", vc->io_u->file); |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 316 | free(buf); |
| 317 | } |
| 318 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 319 | static void log_verify_failure(struct verify_header *hdr, struct vcont *vc) |
| 320 | { |
| 321 | unsigned long long offset; |
| 322 | |
| 323 | offset = vc->io_u->offset; |
| 324 | offset += vc->hdr_num * hdr->len; |
Jens Axboe | 32c17ad | 2010-06-18 14:32:21 +0200 | [diff] [blame] | 325 | log_err("%.8s: verify failed at file %s offset %llu, length %u\n", |
| 326 | vc->name, vc->io_u->file->file_name, offset, hdr->len); |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 327 | |
| 328 | if (vc->good_crc && vc->bad_crc) { |
| 329 | log_err(" Expected CRC: "); |
| 330 | hexdump(vc->good_crc, vc->crc_len); |
| 331 | log_err(" Received CRC: "); |
| 332 | hexdump(vc->bad_crc, vc->crc_len); |
| 333 | } |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 334 | |
| 335 | dump_verify_buffers(hdr, vc); |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 336 | } |
| 337 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 338 | /* |
Jens Axboe | d9f2caf | 2007-07-28 21:22:03 +0200 | [diff] [blame] | 339 | * Return data area 'header_num' |
| 340 | */ |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 341 | static inline void *io_u_verify_off(struct verify_header *hdr, struct vcont *vc) |
Jens Axboe | d9f2caf | 2007-07-28 21:22:03 +0200 | [diff] [blame] | 342 | { |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 343 | return vc->io_u->buf + vc->hdr_num * hdr->len + hdr_size(hdr); |
Jens Axboe | d9f2caf | 2007-07-28 21:22:03 +0200 | [diff] [blame] | 344 | } |
| 345 | |
Jens Axboe | 92bf48d | 2011-01-14 21:20:42 +0100 | [diff] [blame] | 346 | static int verify_io_u_pattern(struct verify_header *hdr, struct vcont *vc) |
| 347 | { |
| 348 | struct thread_data *td = vc->td; |
| 349 | struct io_u *io_u = vc->io_u; |
| 350 | char *buf, *pattern; |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 351 | unsigned int header_size = __hdr_size(td->o.verify); |
Steven Lang | 9a2a86d | 2012-02-07 09:42:59 +0100 | [diff] [blame] | 352 | unsigned int len, mod, i, size, pattern_size; |
Jens Axboe | 92bf48d | 2011-01-14 21:20:42 +0100 | [diff] [blame] | 353 | |
| 354 | pattern = td->o.verify_pattern; |
Steven Lang | 9a2a86d | 2012-02-07 09:42:59 +0100 | [diff] [blame] | 355 | pattern_size = td->o.verify_pattern_bytes; |
| 356 | if (pattern_size <= 1) |
| 357 | pattern_size = MAX_PATTERN_SIZE; |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 358 | buf = (void *) hdr + header_size; |
| 359 | len = get_hdr_inc(td, io_u) - header_size; |
Steven Lang | 9a2a86d | 2012-02-07 09:42:59 +0100 | [diff] [blame] | 360 | mod = header_size % pattern_size; |
Jens Axboe | 92bf48d | 2011-01-14 21:20:42 +0100 | [diff] [blame] | 361 | |
Steven Lang | 9a2a86d | 2012-02-07 09:42:59 +0100 | [diff] [blame] | 362 | for (i = 0; i < len; i += size) { |
| 363 | size = pattern_size - mod; |
| 364 | if (size > (len - i)) |
| 365 | size = len - i; |
| 366 | if (memcmp(buf + i, pattern + mod, size)) |
Jens Axboe | e4ad68b | 2012-02-23 08:35:04 +0100 | [diff] [blame] | 367 | /* Let the slow compare find the first mismatch byte. */ |
Steven Lang | 9a2a86d | 2012-02-07 09:42:59 +0100 | [diff] [blame] | 368 | break; |
| 369 | mod = 0; |
| 370 | } |
| 371 | |
| 372 | for (; i < len; i++) { |
Jens Axboe | 92bf48d | 2011-01-14 21:20:42 +0100 | [diff] [blame] | 373 | if (buf[i] != pattern[mod]) { |
| 374 | unsigned int bits; |
| 375 | |
| 376 | bits = hweight8(buf[i] ^ pattern[mod]); |
| 377 | log_err("fio: got pattern %x, wanted %x. Bad bits %d\n", |
| 378 | buf[i], pattern[mod], bits); |
| 379 | log_err("fio: bad pattern block offset %u\n", i); |
| 380 | dump_verify_buffers(hdr, vc); |
| 381 | return EILSEQ; |
| 382 | } |
| 383 | mod++; |
| 384 | if (mod == td->o.verify_pattern_bytes) |
| 385 | mod = 0; |
| 386 | } |
| 387 | |
| 388 | return 0; |
| 389 | } |
| 390 | |
| 391 | static int verify_io_u_meta(struct verify_header *hdr, struct vcont *vc) |
| 392 | { |
| 393 | struct thread_data *td = vc->td; |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 394 | struct vhdr_meta *vh = hdr_priv(hdr); |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 395 | struct io_u *io_u = vc->io_u; |
Jens Axboe | 92bf48d | 2011-01-14 21:20:42 +0100 | [diff] [blame] | 396 | int ret = EILSEQ; |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 397 | |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 398 | dprint(FD_VERIFY, "meta verify io_u %p, len %u\n", io_u, hdr->len); |
| 399 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 400 | if (vh->offset == io_u->offset + vc->hdr_num * td->o.verify_interval) |
Jens Axboe | 92bf48d | 2011-01-14 21:20:42 +0100 | [diff] [blame] | 401 | ret = 0; |
| 402 | |
| 403 | if (td->o.verify_pattern_bytes) |
| 404 | ret |= verify_io_u_pattern(hdr, vc); |
| 405 | |
Juan Casse | da0a7bd | 2013-09-17 14:06:12 -0700 | [diff] [blame] | 406 | /* |
| 407 | * For read-only workloads, the program cannot be certain of the |
| 408 | * last numberio written to a block. Checking of numberio will be done |
| 409 | * only for workloads that write data. |
Juan Casse | 6216776 | 2013-09-17 14:06:13 -0700 | [diff] [blame] | 410 | * For verify_only, numberio will be checked in the last iteration when |
| 411 | * the correct state of numberio, that would have been written to each |
| 412 | * block in a previous run of fio, has been reached. |
Juan Casse | da0a7bd | 2013-09-17 14:06:12 -0700 | [diff] [blame] | 413 | */ |
| 414 | if (td_write(td) || td_rw(td)) |
Juan Casse | 6216776 | 2013-09-17 14:06:13 -0700 | [diff] [blame] | 415 | if (!td->o.verify_only || td->o.loops == 0) |
| 416 | if (vh->numberio != io_u->numberio) |
| 417 | ret = EILSEQ; |
Juan Casse | da0a7bd | 2013-09-17 14:06:12 -0700 | [diff] [blame] | 418 | |
Jens Axboe | 92bf48d | 2011-01-14 21:20:42 +0100 | [diff] [blame] | 419 | if (!ret) |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 420 | return 0; |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 421 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 422 | vc->name = "meta"; |
| 423 | log_verify_failure(hdr, vc); |
Jens Axboe | 92bf48d | 2011-01-14 21:20:42 +0100 | [diff] [blame] | 424 | return ret; |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 425 | } |
| 426 | |
Jens Axboe | 844ea60 | 2014-02-20 13:21:45 -0800 | [diff] [blame] | 427 | static int verify_io_u_xxhash(struct verify_header *hdr, struct vcont *vc) |
| 428 | { |
| 429 | void *p = io_u_verify_off(hdr, vc); |
| 430 | struct vhdr_xxhash *vh = hdr_priv(hdr); |
| 431 | uint32_t hash; |
| 432 | void *state; |
| 433 | |
| 434 | dprint(FD_VERIFY, "xxhash verify io_u %p, len %u\n", vc->io_u, hdr->len); |
| 435 | |
| 436 | state = XXH32_init(1); |
| 437 | XXH32_update(state, p, hdr->len - hdr_size(hdr)); |
| 438 | hash = XXH32_digest(state); |
| 439 | |
| 440 | if (vh->hash == hash) |
| 441 | return 0; |
| 442 | |
| 443 | vc->name = "xxhash"; |
| 444 | vc->good_crc = &vh->hash; |
| 445 | vc->bad_crc = &hash; |
| 446 | vc->crc_len = sizeof(hash); |
| 447 | log_verify_failure(hdr, vc); |
| 448 | return EILSEQ; |
| 449 | } |
| 450 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 451 | static int verify_io_u_sha512(struct verify_header *hdr, struct vcont *vc) |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 452 | { |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 453 | void *p = io_u_verify_off(hdr, vc); |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 454 | struct vhdr_sha512 *vh = hdr_priv(hdr); |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 455 | uint8_t sha512[128]; |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 456 | struct fio_sha512_ctx sha512_ctx = { |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 457 | .buf = sha512, |
| 458 | }; |
| 459 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 460 | dprint(FD_VERIFY, "sha512 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 461 | |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 462 | fio_sha512_init(&sha512_ctx); |
| 463 | fio_sha512_update(&sha512_ctx, p, hdr->len - hdr_size(hdr)); |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 464 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 465 | if (!memcmp(vh->sha512, sha512_ctx.buf, sizeof(sha512))) |
| 466 | return 0; |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 467 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 468 | vc->name = "sha512"; |
| 469 | vc->good_crc = vh->sha512; |
| 470 | vc->bad_crc = sha512_ctx.buf; |
| 471 | vc->crc_len = sizeof(vh->sha512); |
| 472 | log_verify_failure(hdr, vc); |
| 473 | return EILSEQ; |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 474 | } |
| 475 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 476 | static int verify_io_u_sha256(struct verify_header *hdr, struct vcont *vc) |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 477 | { |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 478 | void *p = io_u_verify_off(hdr, vc); |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 479 | struct vhdr_sha256 *vh = hdr_priv(hdr); |
Jens Axboe | bc77f56 | 2010-02-23 10:36:21 +0100 | [diff] [blame] | 480 | uint8_t sha256[64]; |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 481 | struct fio_sha256_ctx sha256_ctx = { |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 482 | .buf = sha256, |
| 483 | }; |
| 484 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 485 | dprint(FD_VERIFY, "sha256 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 486 | |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 487 | fio_sha256_init(&sha256_ctx); |
| 488 | fio_sha256_update(&sha256_ctx, p, hdr->len - hdr_size(hdr)); |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 489 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 490 | if (!memcmp(vh->sha256, sha256_ctx.buf, sizeof(sha256))) |
| 491 | return 0; |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 492 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 493 | vc->name = "sha256"; |
| 494 | vc->good_crc = vh->sha256; |
| 495 | vc->bad_crc = sha256_ctx.buf; |
| 496 | vc->crc_len = sizeof(vh->sha256); |
| 497 | log_verify_failure(hdr, vc); |
| 498 | return EILSEQ; |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 499 | } |
| 500 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 501 | static int verify_io_u_sha1(struct verify_header *hdr, struct vcont *vc) |
Jens Axboe | 7c353ce | 2009-08-09 22:40:33 +0200 | [diff] [blame] | 502 | { |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 503 | void *p = io_u_verify_off(hdr, vc); |
Jens Axboe | 7c353ce | 2009-08-09 22:40:33 +0200 | [diff] [blame] | 504 | struct vhdr_sha1 *vh = hdr_priv(hdr); |
| 505 | uint32_t sha1[5]; |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 506 | struct fio_sha1_ctx sha1_ctx = { |
Jens Axboe | 7c353ce | 2009-08-09 22:40:33 +0200 | [diff] [blame] | 507 | .H = sha1, |
| 508 | }; |
| 509 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 510 | dprint(FD_VERIFY, "sha1 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
Jens Axboe | 7c353ce | 2009-08-09 22:40:33 +0200 | [diff] [blame] | 511 | |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 512 | fio_sha1_init(&sha1_ctx); |
| 513 | fio_sha1_update(&sha1_ctx, p, hdr->len - hdr_size(hdr)); |
Jens Axboe | 7c353ce | 2009-08-09 22:40:33 +0200 | [diff] [blame] | 514 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 515 | if (!memcmp(vh->sha1, sha1_ctx.H, sizeof(sha1))) |
| 516 | return 0; |
Jens Axboe | 7c353ce | 2009-08-09 22:40:33 +0200 | [diff] [blame] | 517 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 518 | vc->name = "sha1"; |
| 519 | vc->good_crc = vh->sha1; |
| 520 | vc->bad_crc = sha1_ctx.H; |
| 521 | vc->crc_len = sizeof(vh->sha1); |
| 522 | log_verify_failure(hdr, vc); |
| 523 | return EILSEQ; |
Jens Axboe | 7c353ce | 2009-08-09 22:40:33 +0200 | [diff] [blame] | 524 | } |
| 525 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 526 | static int verify_io_u_crc7(struct verify_header *hdr, struct vcont *vc) |
Jens Axboe | 1e154bd | 2007-07-27 09:52:40 +0200 | [diff] [blame] | 527 | { |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 528 | void *p = io_u_verify_off(hdr, vc); |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 529 | struct vhdr_crc7 *vh = hdr_priv(hdr); |
Jens Axboe | 1e154bd | 2007-07-27 09:52:40 +0200 | [diff] [blame] | 530 | unsigned char c; |
| 531 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 532 | dprint(FD_VERIFY, "crc7 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 533 | |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 534 | c = fio_crc7(p, hdr->len - hdr_size(hdr)); |
Jens Axboe | 1e154bd | 2007-07-27 09:52:40 +0200 | [diff] [blame] | 535 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 536 | if (c == vh->crc7) |
| 537 | return 0; |
Jens Axboe | 1e154bd | 2007-07-27 09:52:40 +0200 | [diff] [blame] | 538 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 539 | vc->name = "crc7"; |
| 540 | vc->good_crc = &vh->crc7; |
| 541 | vc->bad_crc = &c; |
| 542 | vc->crc_len = 1; |
| 543 | log_verify_failure(hdr, vc); |
| 544 | return EILSEQ; |
Jens Axboe | 1e154bd | 2007-07-27 09:52:40 +0200 | [diff] [blame] | 545 | } |
| 546 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 547 | static int verify_io_u_crc16(struct verify_header *hdr, struct vcont *vc) |
Jens Axboe | 969f7ed | 2007-07-27 09:07:17 +0200 | [diff] [blame] | 548 | { |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 549 | void *p = io_u_verify_off(hdr, vc); |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 550 | struct vhdr_crc16 *vh = hdr_priv(hdr); |
Jens Axboe | 969f7ed | 2007-07-27 09:07:17 +0200 | [diff] [blame] | 551 | unsigned short c; |
| 552 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 553 | dprint(FD_VERIFY, "crc16 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 554 | |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 555 | c = fio_crc16(p, hdr->len - hdr_size(hdr)); |
Jens Axboe | 969f7ed | 2007-07-27 09:07:17 +0200 | [diff] [blame] | 556 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 557 | if (c == vh->crc16) |
| 558 | return 0; |
Jens Axboe | 969f7ed | 2007-07-27 09:07:17 +0200 | [diff] [blame] | 559 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 560 | vc->name = "crc16"; |
| 561 | vc->good_crc = &vh->crc16; |
| 562 | vc->bad_crc = &c; |
| 563 | vc->crc_len = 2; |
| 564 | log_verify_failure(hdr, vc); |
| 565 | return EILSEQ; |
Jens Axboe | 969f7ed | 2007-07-27 09:07:17 +0200 | [diff] [blame] | 566 | } |
| 567 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 568 | static int verify_io_u_crc64(struct verify_header *hdr, struct vcont *vc) |
Jens Axboe | d77a7af | 2007-07-27 15:35:06 +0200 | [diff] [blame] | 569 | { |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 570 | void *p = io_u_verify_off(hdr, vc); |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 571 | struct vhdr_crc64 *vh = hdr_priv(hdr); |
Jens Axboe | d77a7af | 2007-07-27 15:35:06 +0200 | [diff] [blame] | 572 | unsigned long long c; |
| 573 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 574 | dprint(FD_VERIFY, "crc64 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 575 | |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 576 | c = fio_crc64(p, hdr->len - hdr_size(hdr)); |
Jens Axboe | d77a7af | 2007-07-27 15:35:06 +0200 | [diff] [blame] | 577 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 578 | if (c == vh->crc64) |
| 579 | return 0; |
Jens Axboe | d77a7af | 2007-07-27 15:35:06 +0200 | [diff] [blame] | 580 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 581 | vc->name = "crc64"; |
| 582 | vc->good_crc = &vh->crc64; |
| 583 | vc->bad_crc = &c; |
| 584 | vc->crc_len = 8; |
| 585 | log_verify_failure(hdr, vc); |
| 586 | return EILSEQ; |
Jens Axboe | d77a7af | 2007-07-27 15:35:06 +0200 | [diff] [blame] | 587 | } |
| 588 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 589 | static int verify_io_u_crc32(struct verify_header *hdr, struct vcont *vc) |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 590 | { |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 591 | void *p = io_u_verify_off(hdr, vc); |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 592 | struct vhdr_crc32 *vh = hdr_priv(hdr); |
| 593 | uint32_t c; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 594 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 595 | dprint(FD_VERIFY, "crc32 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 596 | |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 597 | c = fio_crc32(p, hdr->len - hdr_size(hdr)); |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 598 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 599 | if (c == vh->crc32) |
| 600 | return 0; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 601 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 602 | vc->name = "crc32"; |
| 603 | vc->good_crc = &vh->crc32; |
| 604 | vc->bad_crc = &c; |
| 605 | vc->crc_len = 4; |
| 606 | log_verify_failure(hdr, vc); |
| 607 | return EILSEQ; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 608 | } |
| 609 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 610 | static int verify_io_u_crc32c(struct verify_header *hdr, struct vcont *vc) |
Jens Axboe | bac39e0 | 2008-06-11 20:46:19 +0200 | [diff] [blame] | 611 | { |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 612 | void *p = io_u_verify_off(hdr, vc); |
Jens Axboe | bac39e0 | 2008-06-11 20:46:19 +0200 | [diff] [blame] | 613 | struct vhdr_crc32 *vh = hdr_priv(hdr); |
| 614 | uint32_t c; |
| 615 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 616 | dprint(FD_VERIFY, "crc32c verify io_u %p, len %u\n", vc->io_u, hdr->len); |
Jens Axboe | bac39e0 | 2008-06-11 20:46:19 +0200 | [diff] [blame] | 617 | |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 618 | c = fio_crc32c(p, hdr->len - hdr_size(hdr)); |
Jens Axboe | bac39e0 | 2008-06-11 20:46:19 +0200 | [diff] [blame] | 619 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 620 | if (c == vh->crc32) |
| 621 | return 0; |
Jens Axboe | bac39e0 | 2008-06-11 20:46:19 +0200 | [diff] [blame] | 622 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 623 | vc->name = "crc32c"; |
| 624 | vc->good_crc = &vh->crc32; |
| 625 | vc->bad_crc = &c; |
| 626 | vc->crc_len = 4; |
| 627 | log_verify_failure(hdr, vc); |
| 628 | return EILSEQ; |
Jens Axboe | bac39e0 | 2008-06-11 20:46:19 +0200 | [diff] [blame] | 629 | } |
| 630 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 631 | static int verify_io_u_md5(struct verify_header *hdr, struct vcont *vc) |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 632 | { |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 633 | void *p = io_u_verify_off(hdr, vc); |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 634 | struct vhdr_md5 *vh = hdr_priv(hdr); |
Jens Axboe | 8c43232 | 2007-07-27 13:16:24 +0200 | [diff] [blame] | 635 | uint32_t hash[MD5_HASH_WORDS]; |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 636 | struct fio_md5_ctx md5_ctx = { |
Jens Axboe | 8c43232 | 2007-07-27 13:16:24 +0200 | [diff] [blame] | 637 | .hash = hash, |
| 638 | }; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 639 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 640 | dprint(FD_VERIFY, "md5 verify io_u %p, len %u\n", vc->io_u, hdr->len); |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 641 | |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 642 | fio_md5_init(&md5_ctx); |
| 643 | fio_md5_update(&md5_ctx, p, hdr->len - hdr_size(hdr)); |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 644 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 645 | if (!memcmp(vh->md5_digest, md5_ctx.hash, sizeof(hash))) |
| 646 | return 0; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 647 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 648 | vc->name = "md5"; |
| 649 | vc->good_crc = vh->md5_digest; |
| 650 | vc->bad_crc = md5_ctx.hash; |
| 651 | vc->crc_len = sizeof(hash); |
| 652 | log_verify_failure(hdr, vc); |
| 653 | return EILSEQ; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 654 | } |
| 655 | |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 656 | /* |
| 657 | * Push IO verification to a separate thread |
| 658 | */ |
| 659 | int verify_io_u_async(struct thread_data *td, struct io_u *io_u) |
| 660 | { |
| 661 | if (io_u->file) |
| 662 | put_file_log(td, io_u->file); |
| 663 | |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 664 | pthread_mutex_lock(&td->io_u_lock); |
Steven Lang | d7ee2a7 | 2011-10-26 09:46:50 +0200 | [diff] [blame] | 665 | |
Radha Ramachandran | 0c41214 | 2009-11-03 21:45:31 +0100 | [diff] [blame] | 666 | if (io_u->flags & IO_U_F_IN_CUR_DEPTH) { |
| 667 | td->cur_depth--; |
| 668 | io_u->flags &= ~IO_U_F_IN_CUR_DEPTH; |
| 669 | } |
Jens Axboe | 2ae0b20 | 2013-05-28 14:16:55 +0200 | [diff] [blame] | 670 | flist_add_tail(&io_u->verify_list, &td->verify_list); |
Jens Axboe | 2ecc1b5 | 2009-11-04 20:58:09 +0100 | [diff] [blame] | 671 | io_u->flags |= IO_U_F_FREE_DEF; |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 672 | pthread_mutex_unlock(&td->io_u_lock); |
| 673 | |
| 674 | pthread_cond_signal(&td->verify_cond); |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 675 | return 0; |
| 676 | } |
| 677 | |
Jens Axboe | 0d29de8 | 2010-09-01 13:54:15 +0200 | [diff] [blame] | 678 | static int verify_trimmed_io_u(struct thread_data *td, struct io_u *io_u) |
| 679 | { |
| 680 | static char zero_buf[1024]; |
| 681 | unsigned int this_len, len; |
| 682 | int ret = 0; |
| 683 | void *p; |
| 684 | |
| 685 | if (!td->o.trim_zero) |
| 686 | return 0; |
| 687 | |
| 688 | len = io_u->buflen; |
| 689 | p = io_u->buf; |
| 690 | do { |
| 691 | this_len = sizeof(zero_buf); |
| 692 | if (this_len > len) |
| 693 | this_len = len; |
| 694 | if (memcmp(p, zero_buf, this_len)) { |
| 695 | ret = EILSEQ; |
| 696 | break; |
| 697 | } |
| 698 | len -= this_len; |
| 699 | p += this_len; |
| 700 | } while (len); |
| 701 | |
| 702 | if (!ret) |
| 703 | return 0; |
| 704 | |
Jens Axboe | a917a8b | 2010-09-02 13:23:20 +0200 | [diff] [blame] | 705 | log_err("trim: verify failed at file %s offset %llu, length %lu" |
| 706 | ", block offset %lu\n", |
| 707 | io_u->file->file_name, io_u->offset, io_u->buflen, |
Jens Axboe | 2f68124 | 2010-10-21 08:15:59 +0200 | [diff] [blame] | 708 | (unsigned long) (p - io_u->buf)); |
Jens Axboe | 0d29de8 | 2010-09-01 13:54:15 +0200 | [diff] [blame] | 709 | return ret; |
| 710 | } |
| 711 | |
Jens Axboe | 0ae2c6e | 2012-03-06 17:46:44 +0100 | [diff] [blame] | 712 | static int verify_header(struct io_u *io_u, struct verify_header *hdr) |
Jens Axboe | f65d1c2 | 2012-02-22 20:11:57 +0100 | [diff] [blame] | 713 | { |
| 714 | void *p = hdr; |
| 715 | uint32_t crc; |
| 716 | |
Jens Axboe | ae38c0d | 2012-02-23 10:31:07 +0100 | [diff] [blame] | 717 | if (hdr->magic != FIO_HDR_MAGIC) |
Juan Casse | e9e177c | 2013-09-17 14:06:14 -0700 | [diff] [blame] | 718 | return 1; |
| 719 | if (hdr->len > io_u->buflen) |
| 720 | return 2; |
| 721 | if (hdr->rand_seed != io_u->rand_seed) |
| 722 | return 3; |
Jens Axboe | ae38c0d | 2012-02-23 10:31:07 +0100 | [diff] [blame] | 723 | |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 724 | crc = fio_crc32c(p, offsetof(struct verify_header, crc32)); |
Jens Axboe | f65d1c2 | 2012-02-22 20:11:57 +0100 | [diff] [blame] | 725 | if (crc == hdr->crc32) |
Juan Casse | e9e177c | 2013-09-17 14:06:14 -0700 | [diff] [blame] | 726 | return 0; |
Jens Axboe | f65d1c2 | 2012-02-22 20:11:57 +0100 | [diff] [blame] | 727 | log_err("fio: verify header crc %x, calculated %x\n", hdr->crc32, crc); |
Juan Casse | e9e177c | 2013-09-17 14:06:14 -0700 | [diff] [blame] | 728 | return 4; |
Jens Axboe | f65d1c2 | 2012-02-22 20:11:57 +0100 | [diff] [blame] | 729 | } |
| 730 | |
Jens Axboe | 36690c9 | 2007-03-26 10:23:34 +0200 | [diff] [blame] | 731 | int verify_io_u(struct thread_data *td, struct io_u *io_u) |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 732 | { |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 733 | struct verify_header *hdr; |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 734 | unsigned int header_size, hdr_inc, hdr_num = 0; |
Jens Axboe | 9564610 | 2007-07-28 21:17:50 +0200 | [diff] [blame] | 735 | void *p; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 736 | int ret; |
| 737 | |
Shawn Lewis | 1dcc049 | 2007-07-27 08:02:45 +0200 | [diff] [blame] | 738 | if (td->o.verify == VERIFY_NULL || io_u->ddir != DDIR_READ) |
Jens Axboe | 36690c9 | 2007-03-26 10:23:34 +0200 | [diff] [blame] | 739 | return 0; |
Jens Axboe | 0d29de8 | 2010-09-01 13:54:15 +0200 | [diff] [blame] | 740 | if (io_u->flags & IO_U_F_TRIMMED) { |
| 741 | ret = verify_trimmed_io_u(td, io_u); |
| 742 | goto done; |
| 743 | } |
Jens Axboe | 36690c9 | 2007-03-26 10:23:34 +0200 | [diff] [blame] | 744 | |
Jens Axboe | cfbcd0d | 2011-01-14 14:49:20 +0100 | [diff] [blame] | 745 | hdr_inc = get_hdr_inc(td, io_u); |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 746 | |
Jens Axboe | a12a3b4 | 2007-08-09 10:20:54 +0200 | [diff] [blame] | 747 | ret = 0; |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 748 | for (p = io_u->buf; p < io_u->buf + io_u->buflen; |
| 749 | p += hdr_inc, hdr_num++) { |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 750 | struct vcont vc = { |
| 751 | .io_u = io_u, |
| 752 | .hdr_num = hdr_num, |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 753 | .td = td, |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 754 | }; |
Jens Axboe | f00b210 | 2012-11-30 09:39:02 +0100 | [diff] [blame] | 755 | unsigned int verify_type; |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 756 | |
Jens Axboe | f3e6cb9 | 2010-06-18 14:48:43 +0200 | [diff] [blame] | 757 | if (ret && td->o.verify_fatal) |
Jens Axboe | a12a3b4 | 2007-08-09 10:20:54 +0200 | [diff] [blame] | 758 | break; |
Jens Axboe | f3e6cb9 | 2010-06-18 14:48:43 +0200 | [diff] [blame] | 759 | |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 760 | header_size = __hdr_size(td->o.verify); |
Jens Axboe | a59e170 | 2007-07-30 08:53:27 +0200 | [diff] [blame] | 761 | if (td->o.verify_offset) |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 762 | memswp(p, p + td->o.verify_offset, header_size); |
Jens Axboe | 9564610 | 2007-07-28 21:17:50 +0200 | [diff] [blame] | 763 | hdr = p; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 764 | |
Puthikorn Voravootivat | c4b6117 | 2014-02-05 10:17:11 -0700 | [diff] [blame] | 765 | /* |
| 766 | * Make rand_seed check pass when have verifysort or |
| 767 | * verify_backlog. |
| 768 | */ |
| 769 | if (td->o.verifysort || (td->flags & TD_F_VER_BACKLOG)) |
| 770 | io_u->rand_seed = hdr->rand_seed; |
| 771 | |
Juan Casse | e9e177c | 2013-09-17 14:06:14 -0700 | [diff] [blame] | 772 | ret = verify_header(io_u, hdr); |
| 773 | switch (ret) { |
| 774 | case 0: |
| 775 | break; |
| 776 | case 1: |
Jens Axboe | ae38c0d | 2012-02-23 10:31:07 +0100 | [diff] [blame] | 777 | log_err("verify: bad magic header %x, wanted %x at " |
| 778 | "file %s offset %llu, length %u\n", |
Jens Axboe | d3a173a | 2012-02-23 08:23:18 +0100 | [diff] [blame] | 779 | hdr->magic, FIO_HDR_MAGIC, |
Jens Axboe | c9b4403 | 2010-06-18 14:46:06 +0200 | [diff] [blame] | 780 | io_u->file->file_name, |
| 781 | io_u->offset + hdr_num * hdr->len, hdr->len); |
Jens Axboe | 9fd1896 | 2009-05-19 10:35:38 +0200 | [diff] [blame] | 782 | return EILSEQ; |
Juan Casse | e9e177c | 2013-09-17 14:06:14 -0700 | [diff] [blame] | 783 | break; |
| 784 | case 2: |
| 785 | log_err("fio: verify header exceeds buffer length (%u " |
| 786 | "> %lu)\n", hdr->len, io_u->buflen); |
| 787 | return EILSEQ; |
| 788 | break; |
| 789 | case 3: |
| 790 | log_err("verify: bad header rand_seed %"PRIu64 |
| 791 | ", wanted %"PRIu64" at file %s offset %llu, " |
| 792 | "length %u\n", |
| 793 | hdr->rand_seed, io_u->rand_seed, |
| 794 | io_u->file->file_name, |
| 795 | io_u->offset + hdr_num * hdr->len, hdr->len); |
| 796 | return EILSEQ; |
| 797 | break; |
| 798 | case 4: |
| 799 | return EILSEQ; |
| 800 | break; |
| 801 | default: |
| 802 | log_err("verify: unknown header error at file %s " |
| 803 | "offset %llu, length %u\n", |
| 804 | io_u->file->file_name, |
| 805 | io_u->offset + hdr_num * hdr->len, hdr->len); |
| 806 | return EILSEQ; |
Jens Axboe | 3f199b0 | 2007-08-09 10:16:31 +0200 | [diff] [blame] | 807 | } |
| 808 | |
Jens Axboe | f00b210 | 2012-11-30 09:39:02 +0100 | [diff] [blame] | 809 | if (td->o.verify != VERIFY_NONE) |
| 810 | verify_type = td->o.verify; |
| 811 | else |
| 812 | verify_type = hdr->verify_type; |
| 813 | |
| 814 | switch (verify_type) { |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 815 | case VERIFY_MD5: |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 816 | ret = verify_io_u_md5(hdr, &vc); |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 817 | break; |
| 818 | case VERIFY_CRC64: |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 819 | ret = verify_io_u_crc64(hdr, &vc); |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 820 | break; |
Jens Axboe | bac39e0 | 2008-06-11 20:46:19 +0200 | [diff] [blame] | 821 | case VERIFY_CRC32C: |
Jens Axboe | 3845591 | 2008-08-04 15:35:26 +0200 | [diff] [blame] | 822 | case VERIFY_CRC32C_INTEL: |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 823 | ret = verify_io_u_crc32c(hdr, &vc); |
Jens Axboe | bac39e0 | 2008-06-11 20:46:19 +0200 | [diff] [blame] | 824 | break; |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 825 | case VERIFY_CRC32: |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 826 | ret = verify_io_u_crc32(hdr, &vc); |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 827 | break; |
| 828 | case VERIFY_CRC16: |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 829 | ret = verify_io_u_crc16(hdr, &vc); |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 830 | break; |
| 831 | case VERIFY_CRC7: |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 832 | ret = verify_io_u_crc7(hdr, &vc); |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 833 | break; |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 834 | case VERIFY_SHA256: |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 835 | ret = verify_io_u_sha256(hdr, &vc); |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 836 | break; |
| 837 | case VERIFY_SHA512: |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 838 | ret = verify_io_u_sha512(hdr, &vc); |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 839 | break; |
Jens Axboe | 844ea60 | 2014-02-20 13:21:45 -0800 | [diff] [blame] | 840 | case VERIFY_XXHASH: |
| 841 | ret = verify_io_u_xxhash(hdr, &vc); |
| 842 | break; |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 843 | case VERIFY_META: |
Jens Axboe | 92bf48d | 2011-01-14 21:20:42 +0100 | [diff] [blame] | 844 | ret = verify_io_u_meta(hdr, &vc); |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 845 | break; |
Jens Axboe | 7c353ce | 2009-08-09 22:40:33 +0200 | [diff] [blame] | 846 | case VERIFY_SHA1: |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 847 | ret = verify_io_u_sha1(hdr, &vc); |
Jens Axboe | 7c353ce | 2009-08-09 22:40:33 +0200 | [diff] [blame] | 848 | break; |
Jens Axboe | 92bf48d | 2011-01-14 21:20:42 +0100 | [diff] [blame] | 849 | case VERIFY_PATTERN: |
| 850 | ret = verify_io_u_pattern(hdr, &vc); |
| 851 | break; |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 852 | default: |
| 853 | log_err("Bad verify type %u\n", hdr->verify_type); |
Jens Axboe | d16d4e0 | 2007-09-06 16:16:44 +0200 | [diff] [blame] | 854 | ret = EINVAL; |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 855 | } |
Jens Axboe | f00b210 | 2012-11-30 09:39:02 +0100 | [diff] [blame] | 856 | |
| 857 | if (ret && verify_type != hdr->verify_type) |
| 858 | log_err("fio: verify type mismatch (%u media, %u given)\n", |
| 859 | hdr->verify_type, verify_type); |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 860 | } |
Jens Axboe | a7dfe86 | 2007-03-12 10:05:08 +0100 | [diff] [blame] | 861 | |
Jens Axboe | 0d29de8 | 2010-09-01 13:54:15 +0200 | [diff] [blame] | 862 | done: |
Jens Axboe | f3e6cb9 | 2010-06-18 14:48:43 +0200 | [diff] [blame] | 863 | if (ret && td->o.verify_fatal) |
| 864 | td->terminate = 1; |
| 865 | |
Jens Axboe | a12a3b4 | 2007-08-09 10:20:54 +0200 | [diff] [blame] | 866 | return ret; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 867 | } |
| 868 | |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 869 | static void fill_meta(struct verify_header *hdr, struct thread_data *td, |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 870 | struct io_u *io_u, unsigned int header_num) |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 871 | { |
| 872 | struct vhdr_meta *vh = hdr_priv(hdr); |
| 873 | |
| 874 | vh->thread = td->thread_number; |
| 875 | |
| 876 | vh->time_sec = io_u->start_time.tv_sec; |
| 877 | vh->time_usec = io_u->start_time.tv_usec; |
| 878 | |
Juan Casse | da0a7bd | 2013-09-17 14:06:12 -0700 | [diff] [blame] | 879 | vh->numberio = io_u->numberio; |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 880 | |
| 881 | vh->offset = io_u->offset + header_num * td->o.verify_interval; |
| 882 | } |
| 883 | |
Jens Axboe | 844ea60 | 2014-02-20 13:21:45 -0800 | [diff] [blame] | 884 | static void fill_xxhash(struct verify_header *hdr, void *p, unsigned int len) |
| 885 | { |
| 886 | struct vhdr_xxhash *vh = hdr_priv(hdr); |
| 887 | void *state; |
| 888 | |
| 889 | state = XXH32_init(1); |
| 890 | XXH32_update(state, p, len); |
| 891 | vh->hash = XXH32_digest(state); |
| 892 | } |
| 893 | |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 894 | static void fill_sha512(struct verify_header *hdr, void *p, unsigned int len) |
| 895 | { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 896 | struct vhdr_sha512 *vh = hdr_priv(hdr); |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 897 | struct fio_sha512_ctx sha512_ctx = { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 898 | .buf = vh->sha512, |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 899 | }; |
| 900 | |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 901 | fio_sha512_init(&sha512_ctx); |
| 902 | fio_sha512_update(&sha512_ctx, p, len); |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 903 | } |
| 904 | |
| 905 | static void fill_sha256(struct verify_header *hdr, void *p, unsigned int len) |
| 906 | { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 907 | struct vhdr_sha256 *vh = hdr_priv(hdr); |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 908 | struct fio_sha256_ctx sha256_ctx = { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 909 | .buf = vh->sha256, |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 910 | }; |
| 911 | |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 912 | fio_sha256_init(&sha256_ctx); |
| 913 | fio_sha256_update(&sha256_ctx, p, len); |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 914 | } |
| 915 | |
Jens Axboe | 7c353ce | 2009-08-09 22:40:33 +0200 | [diff] [blame] | 916 | static void fill_sha1(struct verify_header *hdr, void *p, unsigned int len) |
| 917 | { |
| 918 | struct vhdr_sha1 *vh = hdr_priv(hdr); |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 919 | struct fio_sha1_ctx sha1_ctx = { |
Jens Axboe | 7c353ce | 2009-08-09 22:40:33 +0200 | [diff] [blame] | 920 | .H = vh->sha1, |
| 921 | }; |
| 922 | |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 923 | fio_sha1_init(&sha1_ctx); |
| 924 | fio_sha1_update(&sha1_ctx, p, len); |
Jens Axboe | 7c353ce | 2009-08-09 22:40:33 +0200 | [diff] [blame] | 925 | } |
| 926 | |
Jens Axboe | 1e154bd | 2007-07-27 09:52:40 +0200 | [diff] [blame] | 927 | static void fill_crc7(struct verify_header *hdr, void *p, unsigned int len) |
| 928 | { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 929 | struct vhdr_crc7 *vh = hdr_priv(hdr); |
| 930 | |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 931 | vh->crc7 = fio_crc7(p, len); |
Jens Axboe | 1e154bd | 2007-07-27 09:52:40 +0200 | [diff] [blame] | 932 | } |
| 933 | |
Jens Axboe | 969f7ed | 2007-07-27 09:07:17 +0200 | [diff] [blame] | 934 | static void fill_crc16(struct verify_header *hdr, void *p, unsigned int len) |
| 935 | { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 936 | struct vhdr_crc16 *vh = hdr_priv(hdr); |
| 937 | |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 938 | vh->crc16 = fio_crc16(p, len); |
Jens Axboe | 969f7ed | 2007-07-27 09:07:17 +0200 | [diff] [blame] | 939 | } |
| 940 | |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 941 | static void fill_crc32(struct verify_header *hdr, void *p, unsigned int len) |
| 942 | { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 943 | struct vhdr_crc32 *vh = hdr_priv(hdr); |
| 944 | |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 945 | vh->crc32 = fio_crc32(p, len); |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 946 | } |
| 947 | |
Jens Axboe | bac39e0 | 2008-06-11 20:46:19 +0200 | [diff] [blame] | 948 | static void fill_crc32c(struct verify_header *hdr, void *p, unsigned int len) |
| 949 | { |
| 950 | struct vhdr_crc32 *vh = hdr_priv(hdr); |
| 951 | |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 952 | vh->crc32 = fio_crc32c(p, len); |
Jens Axboe | bac39e0 | 2008-06-11 20:46:19 +0200 | [diff] [blame] | 953 | } |
| 954 | |
Jens Axboe | d77a7af | 2007-07-27 15:35:06 +0200 | [diff] [blame] | 955 | static void fill_crc64(struct verify_header *hdr, void *p, unsigned int len) |
| 956 | { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 957 | struct vhdr_crc64 *vh = hdr_priv(hdr); |
| 958 | |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 959 | vh->crc64 = fio_crc64(p, len); |
Jens Axboe | d77a7af | 2007-07-27 15:35:06 +0200 | [diff] [blame] | 960 | } |
| 961 | |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 962 | static void fill_md5(struct verify_header *hdr, void *p, unsigned int len) |
| 963 | { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 964 | struct vhdr_md5 *vh = hdr_priv(hdr); |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 965 | struct fio_md5_ctx md5_ctx = { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 966 | .hash = (uint32_t *) vh->md5_digest, |
Jens Axboe | 8c43232 | 2007-07-27 13:16:24 +0200 | [diff] [blame] | 967 | }; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 968 | |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 969 | fio_md5_init(&md5_ctx); |
| 970 | fio_md5_update(&md5_ctx, p, len); |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 971 | } |
| 972 | |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 973 | static void populate_hdr(struct thread_data *td, struct io_u *io_u, |
| 974 | struct verify_header *hdr, unsigned int header_num, |
| 975 | unsigned int header_len) |
| 976 | { |
| 977 | unsigned int data_len; |
| 978 | void *data, *p; |
| 979 | |
| 980 | p = (void *) hdr; |
| 981 | |
Jens Axboe | d3a173a | 2012-02-23 08:23:18 +0100 | [diff] [blame] | 982 | hdr->magic = FIO_HDR_MAGIC; |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 983 | hdr->verify_type = td->o.verify; |
Jens Axboe | d3a173a | 2012-02-23 08:23:18 +0100 | [diff] [blame] | 984 | hdr->len = header_len; |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 985 | hdr->rand_seed = io_u->rand_seed; |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 986 | hdr->crc32 = fio_crc32c(p, offsetof(struct verify_header, crc32)); |
Jens Axboe | f65d1c2 | 2012-02-22 20:11:57 +0100 | [diff] [blame] | 987 | |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 988 | data_len = header_len - hdr_size(hdr); |
| 989 | |
| 990 | data = p + hdr_size(hdr); |
| 991 | switch (td->o.verify) { |
| 992 | case VERIFY_MD5: |
| 993 | dprint(FD_VERIFY, "fill md5 io_u %p, len %u\n", |
| 994 | io_u, hdr->len); |
| 995 | fill_md5(hdr, data, data_len); |
| 996 | break; |
| 997 | case VERIFY_CRC64: |
| 998 | dprint(FD_VERIFY, "fill crc64 io_u %p, len %u\n", |
| 999 | io_u, hdr->len); |
| 1000 | fill_crc64(hdr, data, data_len); |
| 1001 | break; |
| 1002 | case VERIFY_CRC32C: |
| 1003 | case VERIFY_CRC32C_INTEL: |
| 1004 | dprint(FD_VERIFY, "fill crc32c io_u %p, len %u\n", |
| 1005 | io_u, hdr->len); |
| 1006 | fill_crc32c(hdr, data, data_len); |
| 1007 | break; |
| 1008 | case VERIFY_CRC32: |
| 1009 | dprint(FD_VERIFY, "fill crc32 io_u %p, len %u\n", |
| 1010 | io_u, hdr->len); |
| 1011 | fill_crc32(hdr, data, data_len); |
| 1012 | break; |
| 1013 | case VERIFY_CRC16: |
| 1014 | dprint(FD_VERIFY, "fill crc16 io_u %p, len %u\n", |
| 1015 | io_u, hdr->len); |
| 1016 | fill_crc16(hdr, data, data_len); |
| 1017 | break; |
| 1018 | case VERIFY_CRC7: |
| 1019 | dprint(FD_VERIFY, "fill crc7 io_u %p, len %u\n", |
| 1020 | io_u, hdr->len); |
| 1021 | fill_crc7(hdr, data, data_len); |
| 1022 | break; |
| 1023 | case VERIFY_SHA256: |
| 1024 | dprint(FD_VERIFY, "fill sha256 io_u %p, len %u\n", |
| 1025 | io_u, hdr->len); |
| 1026 | fill_sha256(hdr, data, data_len); |
| 1027 | break; |
| 1028 | case VERIFY_SHA512: |
| 1029 | dprint(FD_VERIFY, "fill sha512 io_u %p, len %u\n", |
| 1030 | io_u, hdr->len); |
| 1031 | fill_sha512(hdr, data, data_len); |
| 1032 | break; |
Jens Axboe | 844ea60 | 2014-02-20 13:21:45 -0800 | [diff] [blame] | 1033 | case VERIFY_XXHASH: |
| 1034 | dprint(FD_VERIFY, "fill xxhash io_u %p, len %u\n", |
| 1035 | io_u, hdr->len); |
| 1036 | fill_xxhash(hdr, data, data_len); |
| 1037 | break; |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 1038 | case VERIFY_META: |
| 1039 | dprint(FD_VERIFY, "fill meta io_u %p, len %u\n", |
| 1040 | io_u, hdr->len); |
| 1041 | fill_meta(hdr, td, io_u, header_num); |
| 1042 | break; |
| 1043 | case VERIFY_SHA1: |
| 1044 | dprint(FD_VERIFY, "fill sha1 io_u %p, len %u\n", |
| 1045 | io_u, hdr->len); |
| 1046 | fill_sha1(hdr, data, data_len); |
| 1047 | break; |
Jens Axboe | 92bf48d | 2011-01-14 21:20:42 +0100 | [diff] [blame] | 1048 | case VERIFY_PATTERN: |
| 1049 | /* nothing to do here */ |
| 1050 | break; |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 1051 | default: |
| 1052 | log_err("fio: bad verify type: %d\n", td->o.verify); |
| 1053 | assert(0); |
| 1054 | } |
| 1055 | if (td->o.verify_offset) |
| 1056 | memswp(p, p + td->o.verify_offset, hdr_size(hdr)); |
| 1057 | } |
| 1058 | |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 1059 | /* |
| 1060 | * fill body of io_u->buf with random data and add a header with the |
Jens Axboe | c50ca7b | 2011-01-12 08:31:54 +0100 | [diff] [blame] | 1061 | * checksum of choice |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 1062 | */ |
| 1063 | void populate_verify_io_u(struct thread_data *td, struct io_u *io_u) |
| 1064 | { |
Jens Axboe | 9cc3d15 | 2007-03-26 10:32:30 +0200 | [diff] [blame] | 1065 | if (td->o.verify == VERIFY_NULL) |
| 1066 | return; |
| 1067 | |
Juan Casse | da0a7bd | 2013-09-17 14:06:12 -0700 | [diff] [blame] | 1068 | io_u->numberio = td->io_issues[io_u->ddir]; |
| 1069 | |
Jens Axboe | c50ca7b | 2011-01-12 08:31:54 +0100 | [diff] [blame] | 1070 | fill_pattern_headers(td, io_u, 0, 0); |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 1071 | } |
| 1072 | |
| 1073 | int get_next_verify(struct thread_data *td, struct io_u *io_u) |
| 1074 | { |
Jens Axboe | 8de8f04 | 2007-03-27 10:36:12 +0200 | [diff] [blame] | 1075 | struct io_piece *ipo = NULL; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 1076 | |
Jens Axboe | d2d7fa5 | 2007-02-19 13:21:35 +0100 | [diff] [blame] | 1077 | /* |
| 1078 | * this io_u is from a requeue, we already filled the offsets |
| 1079 | */ |
| 1080 | if (io_u->file) |
| 1081 | return 0; |
| 1082 | |
Jens Axboe | 8de8f04 | 2007-03-27 10:36:12 +0200 | [diff] [blame] | 1083 | if (!RB_EMPTY_ROOT(&td->io_hist_tree)) { |
| 1084 | struct rb_node *n = rb_first(&td->io_hist_tree); |
| 1085 | |
Jens Axboe | 4b87898 | 2007-03-26 09:32:22 +0200 | [diff] [blame] | 1086 | ipo = rb_entry(n, struct io_piece, rb_node); |
Jens Axboe | f940128 | 2014-02-06 12:17:37 -0700 | [diff] [blame] | 1087 | |
| 1088 | /* |
| 1089 | * Ensure that the associated IO has completed |
| 1090 | */ |
| 1091 | read_barrier(); |
| 1092 | if (ipo->flags & IP_F_IN_FLIGHT) |
| 1093 | goto nothing; |
| 1094 | |
Jens Axboe | 4b87898 | 2007-03-26 09:32:22 +0200 | [diff] [blame] | 1095 | rb_erase(n, &td->io_hist_tree); |
Jens Axboe | a917a8b | 2010-09-02 13:23:20 +0200 | [diff] [blame] | 1096 | assert(ipo->flags & IP_F_ONRB); |
| 1097 | ipo->flags &= ~IP_F_ONRB; |
Jens Axboe | 01743ee | 2008-06-02 12:19:19 +0200 | [diff] [blame] | 1098 | } else if (!flist_empty(&td->io_hist_list)) { |
| 1099 | ipo = flist_entry(td->io_hist_list.next, struct io_piece, list); |
Jens Axboe | f940128 | 2014-02-06 12:17:37 -0700 | [diff] [blame] | 1100 | |
| 1101 | /* |
| 1102 | * Ensure that the associated IO has completed |
| 1103 | */ |
| 1104 | read_barrier(); |
| 1105 | if (ipo->flags & IP_F_IN_FLIGHT) |
| 1106 | goto nothing; |
| 1107 | |
Jens Axboe | 01743ee | 2008-06-02 12:19:19 +0200 | [diff] [blame] | 1108 | flist_del(&ipo->list); |
Jens Axboe | a917a8b | 2010-09-02 13:23:20 +0200 | [diff] [blame] | 1109 | assert(ipo->flags & IP_F_ONLIST); |
| 1110 | ipo->flags &= ~IP_F_ONLIST; |
Jens Axboe | 8de8f04 | 2007-03-27 10:36:12 +0200 | [diff] [blame] | 1111 | } |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 1112 | |
Jens Axboe | 8de8f04 | 2007-03-27 10:36:12 +0200 | [diff] [blame] | 1113 | if (ipo) { |
Jens Axboe | 0d29de8 | 2010-09-01 13:54:15 +0200 | [diff] [blame] | 1114 | td->io_hist_len--; |
| 1115 | |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 1116 | io_u->offset = ipo->offset; |
| 1117 | io_u->buflen = ipo->len; |
Juan Casse | da0a7bd | 2013-09-17 14:06:12 -0700 | [diff] [blame] | 1118 | io_u->numberio = ipo->numberio; |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 1119 | io_u->file = ipo->file; |
Jens Axboe | 82af2a7 | 2012-03-13 13:45:58 +0100 | [diff] [blame] | 1120 | io_u->flags |= IO_U_F_VER_LIST; |
Jens Axboe | 97af62c | 2007-05-22 11:12:13 +0200 | [diff] [blame] | 1121 | |
Jens Axboe | 0d29de8 | 2010-09-01 13:54:15 +0200 | [diff] [blame] | 1122 | if (ipo->flags & IP_F_TRIMMED) |
| 1123 | io_u->flags |= IO_U_F_TRIMMED; |
| 1124 | |
Jens Axboe | d6aed79 | 2009-06-03 08:41:15 +0200 | [diff] [blame] | 1125 | if (!fio_file_open(io_u->file)) { |
Jens Axboe | 97af62c | 2007-05-22 11:12:13 +0200 | [diff] [blame] | 1126 | int r = td_io_open_file(td, io_u->file); |
| 1127 | |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 1128 | if (r) { |
| 1129 | dprint(FD_VERIFY, "failed file %s open\n", |
| 1130 | io_u->file->file_name); |
Jens Axboe | 97af62c | 2007-05-22 11:12:13 +0200 | [diff] [blame] | 1131 | return 1; |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 1132 | } |
Jens Axboe | 97af62c | 2007-05-22 11:12:13 +0200 | [diff] [blame] | 1133 | } |
| 1134 | |
| 1135 | get_file(ipo->file); |
Jens Axboe | d6aed79 | 2009-06-03 08:41:15 +0200 | [diff] [blame] | 1136 | assert(fio_file_open(io_u->file)); |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 1137 | io_u->ddir = DDIR_READ; |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 1138 | io_u->xfer_buf = io_u->buf; |
| 1139 | io_u->xfer_buflen = io_u->buflen; |
Jens Axboe | 0d29de8 | 2010-09-01 13:54:15 +0200 | [diff] [blame] | 1140 | |
| 1141 | remove_trim_entry(td, ipo); |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 1142 | free(ipo); |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 1143 | dprint(FD_VERIFY, "get_next_verify: ret io_u %p\n", io_u); |
Puthikorn Voravootivat | c4b6117 | 2014-02-05 10:17:11 -0700 | [diff] [blame] | 1144 | |
| 1145 | if (!td->o.verify_pattern_bytes) { |
| 1146 | io_u->rand_seed = __rand(&td->__verify_state); |
| 1147 | if (sizeof(int) != sizeof(long *)) |
| 1148 | io_u->rand_seed *= __rand(&td->__verify_state); |
| 1149 | } |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 1150 | return 0; |
| 1151 | } |
| 1152 | |
Jens Axboe | f940128 | 2014-02-06 12:17:37 -0700 | [diff] [blame] | 1153 | nothing: |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 1154 | dprint(FD_VERIFY, "get_next_verify: empty\n"); |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 1155 | return 1; |
| 1156 | } |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 1157 | |
Jens Axboe | dc5bfbb | 2013-04-10 22:23:40 +0200 | [diff] [blame] | 1158 | void fio_verify_init(struct thread_data *td) |
| 1159 | { |
| 1160 | if (td->o.verify == VERIFY_CRC32C_INTEL || |
| 1161 | td->o.verify == VERIFY_CRC32C) { |
| 1162 | crc32c_intel_probe(); |
| 1163 | } |
| 1164 | } |
| 1165 | |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 1166 | static void *verify_async_thread(void *data) |
| 1167 | { |
| 1168 | struct thread_data *td = data; |
| 1169 | struct io_u *io_u; |
| 1170 | int ret = 0; |
| 1171 | |
| 1172 | if (td->o.verify_cpumask_set && |
| 1173 | fio_setaffinity(td->pid, td->o.verify_cpumask)) { |
| 1174 | log_err("fio: failed setting verify thread affinity\n"); |
| 1175 | goto done; |
| 1176 | } |
| 1177 | |
| 1178 | do { |
Jens Axboe | e53ab27 | 2009-07-06 13:43:46 +0200 | [diff] [blame] | 1179 | FLIST_HEAD(list); |
| 1180 | |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 1181 | read_barrier(); |
| 1182 | if (td->verify_thread_exit) |
| 1183 | break; |
| 1184 | |
| 1185 | pthread_mutex_lock(&td->io_u_lock); |
| 1186 | |
| 1187 | while (flist_empty(&td->verify_list) && |
| 1188 | !td->verify_thread_exit) { |
Jens Axboe | b36e298 | 2009-07-06 14:12:52 +0200 | [diff] [blame] | 1189 | ret = pthread_cond_wait(&td->verify_cond, |
| 1190 | &td->io_u_lock); |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 1191 | if (ret) { |
| 1192 | pthread_mutex_unlock(&td->io_u_lock); |
| 1193 | break; |
| 1194 | } |
| 1195 | } |
| 1196 | |
Jens Axboe | e53ab27 | 2009-07-06 13:43:46 +0200 | [diff] [blame] | 1197 | flist_splice_init(&td->verify_list, &list); |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 1198 | pthread_mutex_unlock(&td->io_u_lock); |
| 1199 | |
Jens Axboe | e53ab27 | 2009-07-06 13:43:46 +0200 | [diff] [blame] | 1200 | if (flist_empty(&list)) |
| 1201 | continue; |
| 1202 | |
| 1203 | while (!flist_empty(&list)) { |
Jens Axboe | 2ae0b20 | 2013-05-28 14:16:55 +0200 | [diff] [blame] | 1204 | io_u = flist_entry(list.next, struct io_u, verify_list); |
| 1205 | flist_del(&io_u->verify_list); |
Jens Axboe | e53ab27 | 2009-07-06 13:43:46 +0200 | [diff] [blame] | 1206 | |
Jens Axboe | d561f2a | 2009-07-06 13:51:05 +0200 | [diff] [blame] | 1207 | ret = verify_io_u(td, io_u); |
Jens Axboe | e53ab27 | 2009-07-06 13:43:46 +0200 | [diff] [blame] | 1208 | put_io_u(td, io_u); |
Jens Axboe | d561f2a | 2009-07-06 13:51:05 +0200 | [diff] [blame] | 1209 | if (!ret) |
| 1210 | continue; |
Dmitry Monakhov | 8b28bd4 | 2012-09-23 15:46:09 +0400 | [diff] [blame] | 1211 | if (td_non_fatal_error(td, ERROR_TYPE_VERIFY_BIT, ret)) { |
Jens Axboe | d561f2a | 2009-07-06 13:51:05 +0200 | [diff] [blame] | 1212 | update_error_count(td, ret); |
| 1213 | td_clear_error(td); |
| 1214 | ret = 0; |
| 1215 | } |
Jens Axboe | e53ab27 | 2009-07-06 13:43:46 +0200 | [diff] [blame] | 1216 | } |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 1217 | } while (!ret); |
| 1218 | |
Jens Axboe | d561f2a | 2009-07-06 13:51:05 +0200 | [diff] [blame] | 1219 | if (ret) { |
| 1220 | td_verror(td, ret, "async_verify"); |
Jens Axboe | f3e6cb9 | 2010-06-18 14:48:43 +0200 | [diff] [blame] | 1221 | if (td->o.verify_fatal) |
| 1222 | td->terminate = 1; |
Jens Axboe | d561f2a | 2009-07-06 13:51:05 +0200 | [diff] [blame] | 1223 | } |
| 1224 | |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 1225 | done: |
| 1226 | pthread_mutex_lock(&td->io_u_lock); |
| 1227 | td->nr_verify_threads--; |
| 1228 | pthread_mutex_unlock(&td->io_u_lock); |
| 1229 | |
| 1230 | pthread_cond_signal(&td->free_cond); |
| 1231 | return NULL; |
| 1232 | } |
| 1233 | |
| 1234 | int verify_async_init(struct thread_data *td) |
| 1235 | { |
| 1236 | int i, ret; |
bart Van Assche | 304a47c | 2010-08-01 21:31:26 +0200 | [diff] [blame] | 1237 | pthread_attr_t attr; |
| 1238 | |
| 1239 | pthread_attr_init(&attr); |
| 1240 | pthread_attr_setstacksize(&attr, PTHREAD_STACK_MIN); |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 1241 | |
| 1242 | td->verify_thread_exit = 0; |
| 1243 | |
| 1244 | td->verify_threads = malloc(sizeof(pthread_t) * td->o.verify_async); |
| 1245 | for (i = 0; i < td->o.verify_async; i++) { |
bart Van Assche | 304a47c | 2010-08-01 21:31:26 +0200 | [diff] [blame] | 1246 | ret = pthread_create(&td->verify_threads[i], &attr, |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 1247 | verify_async_thread, td); |
| 1248 | if (ret) { |
| 1249 | log_err("fio: async verify creation failed: %s\n", |
| 1250 | strerror(ret)); |
| 1251 | break; |
| 1252 | } |
| 1253 | ret = pthread_detach(td->verify_threads[i]); |
| 1254 | if (ret) { |
| 1255 | log_err("fio: async verify thread detach failed: %s\n", |
| 1256 | strerror(ret)); |
| 1257 | break; |
| 1258 | } |
| 1259 | td->nr_verify_threads++; |
| 1260 | } |
| 1261 | |
bart Van Assche | 304a47c | 2010-08-01 21:31:26 +0200 | [diff] [blame] | 1262 | pthread_attr_destroy(&attr); |
| 1263 | |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 1264 | if (i != td->o.verify_async) { |
Jens Axboe | e40823b | 2009-07-06 14:28:21 +0200 | [diff] [blame] | 1265 | log_err("fio: only %d verify threads started, exiting\n", i); |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 1266 | td->verify_thread_exit = 1; |
| 1267 | write_barrier(); |
| 1268 | pthread_cond_broadcast(&td->verify_cond); |
| 1269 | return 1; |
| 1270 | } |
| 1271 | |
| 1272 | return 0; |
| 1273 | } |
| 1274 | |
| 1275 | void verify_async_exit(struct thread_data *td) |
| 1276 | { |
| 1277 | td->verify_thread_exit = 1; |
| 1278 | write_barrier(); |
| 1279 | pthread_cond_broadcast(&td->verify_cond); |
| 1280 | |
| 1281 | pthread_mutex_lock(&td->io_u_lock); |
| 1282 | |
| 1283 | while (td->nr_verify_threads) |
| 1284 | pthread_cond_wait(&td->free_cond, &td->io_u_lock); |
| 1285 | |
| 1286 | pthread_mutex_unlock(&td->io_u_lock); |
| 1287 | free(td->verify_threads); |
| 1288 | td->verify_threads = NULL; |
| 1289 | } |