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 | void fill_buffer_pattern(struct thread_data *td, void *p, unsigned int len) |
| 33 | { |
Jens Axboe | d18c041 | 2014-12-03 19:25:13 -0700 | [diff] [blame] | 34 | fill_pattern(p, len, td->o.buffer_pattern, td->o.buffer_pattern_bytes); |
Jens Axboe | ce35b1e | 2014-01-14 15:35:58 -0700 | [diff] [blame] | 35 | } |
| 36 | |
Jens Axboe | 2d613fe | 2014-12-04 16:49:53 -0700 | [diff] [blame] | 37 | void __fill_buffer(struct thread_options *o, unsigned long seed, void *p, |
| 38 | unsigned int len) |
| 39 | { |
| 40 | __fill_random_buf_percentage(seed, p, o->compress_percentage, len, len, o->buffer_pattern, o->buffer_pattern_bytes); |
| 41 | } |
| 42 | |
| 43 | unsigned long fill_buffer(struct thread_data *td, void *p, unsigned int len) |
| 44 | { |
| 45 | struct frand_state *fs = &td->verify_state; |
| 46 | struct thread_options *o = &td->o; |
| 47 | |
| 48 | return fill_random_buf_percentage(fs, p, o->compress_percentage, len, len, o->buffer_pattern, o->buffer_pattern_bytes); |
| 49 | } |
| 50 | |
Jens Axboe | ce35b1e | 2014-01-14 15:35:58 -0700 | [diff] [blame] | 51 | void fill_verify_pattern(struct thread_data *td, void *p, unsigned int len, |
| 52 | struct io_u *io_u, unsigned long seed, int use_seed) |
| 53 | { |
Jens Axboe | e145729 | 2014-12-04 15:40:32 -0700 | [diff] [blame] | 54 | struct thread_options *o = &td->o; |
| 55 | |
| 56 | if (!o->verify_pattern_bytes) { |
Jens Axboe | ce35b1e | 2014-01-14 15:35:58 -0700 | [diff] [blame] | 57 | dprint(FD_VERIFY, "fill random bytes len=%u\n", len); |
| 58 | |
| 59 | if (use_seed) |
Jens Axboe | 2d613fe | 2014-12-04 16:49:53 -0700 | [diff] [blame] | 60 | __fill_buffer(o, seed, p, len); |
| 61 | else |
| 62 | io_u->rand_seed = fill_buffer(td, p, len); |
Jens Axboe | ce35b1e | 2014-01-14 15:35:58 -0700 | [diff] [blame] | 63 | return; |
| 64 | } |
Puthikorn Voravootivat | c4b6117 | 2014-02-05 10:17:11 -0700 | [diff] [blame] | 65 | |
Jens Axboe | ce35b1e | 2014-01-14 15:35:58 -0700 | [diff] [blame] | 66 | if (io_u->buf_filled_len >= len) { |
| 67 | dprint(FD_VERIFY, "using already filled verify pattern b=%d len=%u\n", |
Jens Axboe | e145729 | 2014-12-04 15:40:32 -0700 | [diff] [blame] | 68 | o->verify_pattern_bytes, len); |
Jens Axboe | ce35b1e | 2014-01-14 15:35:58 -0700 | [diff] [blame] | 69 | return; |
| 70 | } |
| 71 | |
Jens Axboe | e145729 | 2014-12-04 15:40:32 -0700 | [diff] [blame] | 72 | fill_pattern(p, len, o->verify_pattern, o->verify_pattern_bytes); |
Jens Axboe | ce35b1e | 2014-01-14 15:35:58 -0700 | [diff] [blame] | 73 | io_u->buf_filled_len = len; |
| 74 | } |
| 75 | |
Jens Axboe | cfbcd0d | 2011-01-14 14:49:20 +0100 | [diff] [blame] | 76 | static unsigned int get_hdr_inc(struct thread_data *td, struct io_u *io_u) |
| 77 | { |
| 78 | unsigned int hdr_inc; |
| 79 | |
| 80 | hdr_inc = io_u->buflen; |
Jens Axboe | 8a99fdf | 2012-03-06 19:24:49 +0100 | [diff] [blame] | 81 | if (td->o.verify_interval && td->o.verify_interval <= io_u->buflen) |
Jens Axboe | cfbcd0d | 2011-01-14 14:49:20 +0100 | [diff] [blame] | 82 | hdr_inc = td->o.verify_interval; |
| 83 | |
| 84 | return hdr_inc; |
| 85 | } |
| 86 | |
Jens Axboe | c50ca7b | 2011-01-12 08:31:54 +0100 | [diff] [blame] | 87 | static void fill_pattern_headers(struct thread_data *td, struct io_u *io_u, |
| 88 | unsigned long seed, int use_seed) |
| 89 | { |
| 90 | unsigned int hdr_inc, header_num; |
| 91 | struct verify_header *hdr; |
| 92 | void *p = io_u->buf; |
| 93 | |
Jens Axboe | ce35b1e | 2014-01-14 15:35:58 -0700 | [diff] [blame] | 94 | 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] | 95 | |
Jens Axboe | cfbcd0d | 2011-01-14 14:49:20 +0100 | [diff] [blame] | 96 | hdr_inc = get_hdr_inc(td, io_u); |
Jens Axboe | c50ca7b | 2011-01-12 08:31:54 +0100 | [diff] [blame] | 97 | header_num = 0; |
| 98 | for (; p < io_u->buf + io_u->buflen; p += hdr_inc) { |
| 99 | hdr = p; |
| 100 | populate_hdr(td, io_u, hdr, header_num, hdr_inc); |
| 101 | header_num++; |
| 102 | } |
| 103 | } |
| 104 | |
Jens Axboe | 4764aec | 2007-08-23 09:03:38 +0200 | [diff] [blame] | 105 | static void memswp(void *buf1, void *buf2, unsigned int len) |
Shawn Lewis | 546a914 | 2007-07-28 21:11:37 +0200 | [diff] [blame] | 106 | { |
Shawn Lewis | dee6de7 | 2007-08-02 22:17:52 +0200 | [diff] [blame] | 107 | char swap[200]; |
| 108 | |
| 109 | assert(len <= sizeof(swap)); |
Jens Axboe | 90059d6 | 2007-07-30 09:33:12 +0200 | [diff] [blame] | 110 | |
Shawn Lewis | 546a914 | 2007-07-28 21:11:37 +0200 | [diff] [blame] | 111 | memcpy(&swap, buf1, len); |
| 112 | memcpy(buf1, buf2, len); |
| 113 | memcpy(buf2, &swap, len); |
| 114 | } |
| 115 | |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 116 | static void hexdump(void *buffer, int len) |
| 117 | { |
| 118 | unsigned char *p = buffer; |
| 119 | int i; |
| 120 | |
| 121 | for (i = 0; i < len; i++) |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 122 | log_err("%02x", p[i]); |
| 123 | log_err("\n"); |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 124 | } |
| 125 | |
Jens Axboe | d9f2caf | 2007-07-28 21:22:03 +0200 | [diff] [blame] | 126 | /* |
Anatol Pomozov | de8f6de | 2013-09-26 16:31:34 -0700 | [diff] [blame] | 127 | * Prepare for separation of verify_header and checksum header |
Jens Axboe | 8767783 | 2007-07-30 12:08:14 +0200 | [diff] [blame] | 128 | */ |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 129 | static inline unsigned int __hdr_size(int verify_type) |
Jens Axboe | 8767783 | 2007-07-30 12:08:14 +0200 | [diff] [blame] | 130 | { |
Bruce Cran | 03e20d6 | 2011-01-02 20:14:54 +0100 | [diff] [blame] | 131 | unsigned int len = 0; |
Jens Axboe | 8767783 | 2007-07-30 12:08:14 +0200 | [diff] [blame] | 132 | |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 133 | switch (verify_type) { |
| 134 | case VERIFY_NONE: |
| 135 | case VERIFY_NULL: |
| 136 | len = 0; |
| 137 | break; |
| 138 | case VERIFY_MD5: |
| 139 | len = sizeof(struct vhdr_md5); |
| 140 | break; |
| 141 | case VERIFY_CRC64: |
| 142 | len = sizeof(struct vhdr_crc64); |
| 143 | break; |
Jens Axboe | bac39e0 | 2008-06-11 20:46:19 +0200 | [diff] [blame] | 144 | case VERIFY_CRC32C: |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 145 | case VERIFY_CRC32: |
Jens Axboe | 3845591 | 2008-08-04 15:35:26 +0200 | [diff] [blame] | 146 | case VERIFY_CRC32C_INTEL: |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 147 | len = sizeof(struct vhdr_crc32); |
| 148 | break; |
| 149 | case VERIFY_CRC16: |
| 150 | len = sizeof(struct vhdr_crc16); |
| 151 | break; |
| 152 | case VERIFY_CRC7: |
| 153 | len = sizeof(struct vhdr_crc7); |
| 154 | break; |
| 155 | case VERIFY_SHA256: |
| 156 | len = sizeof(struct vhdr_sha256); |
| 157 | break; |
| 158 | case VERIFY_SHA512: |
| 159 | len = sizeof(struct vhdr_sha512); |
| 160 | break; |
Jens Axboe | 844ea60 | 2014-02-20 13:21:45 -0800 | [diff] [blame] | 161 | case VERIFY_XXHASH: |
| 162 | len = sizeof(struct vhdr_xxhash); |
| 163 | break; |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 164 | case VERIFY_META: |
| 165 | len = sizeof(struct vhdr_meta); |
| 166 | break; |
Jens Axboe | 7c353ce | 2009-08-09 22:40:33 +0200 | [diff] [blame] | 167 | case VERIFY_SHA1: |
| 168 | len = sizeof(struct vhdr_sha1); |
| 169 | break; |
Jens Axboe | 92bf48d | 2011-01-14 21:20:42 +0100 | [diff] [blame] | 170 | case VERIFY_PATTERN: |
| 171 | len = 0; |
| 172 | break; |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 173 | default: |
| 174 | log_err("fio: unknown verify header!\n"); |
| 175 | assert(0); |
| 176 | } |
| 177 | |
| 178 | return len + sizeof(struct verify_header); |
Jens Axboe | 8767783 | 2007-07-30 12:08:14 +0200 | [diff] [blame] | 179 | } |
| 180 | |
| 181 | static inline unsigned int hdr_size(struct verify_header *hdr) |
| 182 | { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 183 | return __hdr_size(hdr->verify_type); |
| 184 | } |
| 185 | |
| 186 | static void *hdr_priv(struct verify_header *hdr) |
| 187 | { |
| 188 | void *priv = hdr; |
| 189 | |
| 190 | return priv + sizeof(struct verify_header); |
Jens Axboe | 8767783 | 2007-07-30 12:08:14 +0200 | [diff] [blame] | 191 | } |
| 192 | |
| 193 | /* |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 194 | * Verify container, pass info to verify handlers and allow them to |
| 195 | * pass info back in case of error |
| 196 | */ |
| 197 | struct vcont { |
| 198 | /* |
| 199 | * Input |
| 200 | */ |
| 201 | struct io_u *io_u; |
| 202 | unsigned int hdr_num; |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 203 | struct thread_data *td; |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 204 | |
| 205 | /* |
| 206 | * Output, only valid in case of error |
| 207 | */ |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 208 | const char *name; |
| 209 | void *good_crc; |
| 210 | void *bad_crc; |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 211 | unsigned int crc_len; |
| 212 | }; |
| 213 | |
Jens Axboe | dacbbb8 | 2014-04-14 08:43:55 -0600 | [diff] [blame] | 214 | #define DUMP_BUF_SZ 255 |
| 215 | static int dump_buf_warned; |
| 216 | |
Jens Axboe | c50ca7b | 2011-01-12 08:31:54 +0100 | [diff] [blame] | 217 | static void dump_buf(char *buf, unsigned int len, unsigned long long offset, |
| 218 | const char *type, struct fio_file *f) |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 219 | { |
Jens Axboe | dacbbb8 | 2014-04-14 08:43:55 -0600 | [diff] [blame] | 220 | char *ptr, fname[DUMP_BUF_SZ]; |
| 221 | size_t buf_left = DUMP_BUF_SZ; |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 222 | int ret, fd; |
| 223 | |
Jens Axboe | 6f260b3 | 2011-01-13 18:57:54 +0100 | [diff] [blame] | 224 | ptr = strdup(f->file_name); |
Jens Axboe | c50ca7b | 2011-01-12 08:31:54 +0100 | [diff] [blame] | 225 | |
Jens Axboe | dacbbb8 | 2014-04-14 08:43:55 -0600 | [diff] [blame] | 226 | fname[DUMP_BUF_SZ - 1] = '\0'; |
| 227 | strncpy(fname, basename(ptr), DUMP_BUF_SZ - 1); |
| 228 | |
| 229 | buf_left -= strlen(fname); |
| 230 | if (buf_left <= 0) { |
| 231 | if (!dump_buf_warned) { |
| 232 | log_err("fio: verify failure dump buffer too small\n"); |
| 233 | dump_buf_warned = 1; |
| 234 | } |
| 235 | free(ptr); |
| 236 | return; |
| 237 | } |
| 238 | |
| 239 | snprintf(fname + strlen(fname), buf_left, ".%llu.%s", offset, type); |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 240 | |
| 241 | fd = open(fname, O_CREAT | O_TRUNC | O_WRONLY, 0644); |
| 242 | if (fd < 0) { |
| 243 | perror("open verify buf file"); |
| 244 | return; |
| 245 | } |
| 246 | |
| 247 | while (len) { |
| 248 | ret = write(fd, buf, len); |
| 249 | if (!ret) |
| 250 | break; |
| 251 | else if (ret < 0) { |
| 252 | perror("write verify buf file"); |
| 253 | break; |
| 254 | } |
| 255 | len -= ret; |
| 256 | buf += ret; |
| 257 | } |
| 258 | |
| 259 | close(fd); |
Jens Axboe | c50ca7b | 2011-01-12 08:31:54 +0100 | [diff] [blame] | 260 | log_err(" %s data dumped as %s\n", type, fname); |
Jens Axboe | 6f260b3 | 2011-01-13 18:57:54 +0100 | [diff] [blame] | 261 | free(ptr); |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 262 | } |
| 263 | |
Jens Axboe | c50ca7b | 2011-01-12 08:31:54 +0100 | [diff] [blame] | 264 | /* |
| 265 | * Dump the contents of the read block and re-generate the correct data |
| 266 | * and dump that too. |
| 267 | */ |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 268 | static void dump_verify_buffers(struct verify_header *hdr, struct vcont *vc) |
| 269 | { |
| 270 | struct thread_data *td = vc->td; |
| 271 | struct io_u *io_u = vc->io_u; |
| 272 | unsigned long hdr_offset; |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 273 | struct io_u dummy; |
Jens Axboe | c50ca7b | 2011-01-12 08:31:54 +0100 | [diff] [blame] | 274 | void *buf; |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 275 | |
Steven Lang | 0dce9bc | 2011-10-25 22:41:05 +0200 | [diff] [blame] | 276 | if (!td->o.verify_dump) |
| 277 | return; |
| 278 | |
Jens Axboe | c50ca7b | 2011-01-12 08:31:54 +0100 | [diff] [blame] | 279 | /* |
| 280 | * Dump the contents we just read off disk |
| 281 | */ |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 282 | hdr_offset = vc->hdr_num * hdr->len; |
| 283 | |
Jens Axboe | c50ca7b | 2011-01-12 08:31:54 +0100 | [diff] [blame] | 284 | dump_buf(io_u->buf + hdr_offset, hdr->len, io_u->offset + hdr_offset, |
| 285 | "received", vc->io_u->file); |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 286 | |
Jens Axboe | c50ca7b | 2011-01-12 08:31:54 +0100 | [diff] [blame] | 287 | /* |
| 288 | * Allocate a new buf and re-generate the original data |
| 289 | */ |
| 290 | buf = malloc(io_u->buflen); |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 291 | dummy = *io_u; |
Jens Axboe | c50ca7b | 2011-01-12 08:31:54 +0100 | [diff] [blame] | 292 | dummy.buf = buf; |
Jens Axboe | 4aae38a | 2011-01-12 08:59:12 +0100 | [diff] [blame] | 293 | dummy.rand_seed = hdr->rand_seed; |
Jens Axboe | cfbcd0d | 2011-01-14 14:49:20 +0100 | [diff] [blame] | 294 | dummy.buf_filled_len = 0; |
Josef Bacik | 0d81daf | 2013-07-08 20:35:01 -0400 | [diff] [blame] | 295 | dummy.buflen = io_u->buflen; |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 296 | |
Jens Axboe | c50ca7b | 2011-01-12 08:31:54 +0100 | [diff] [blame] | 297 | fill_pattern_headers(td, &dummy, hdr->rand_seed, 1); |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 298 | |
Jens Axboe | c50ca7b | 2011-01-12 08:31:54 +0100 | [diff] [blame] | 299 | dump_buf(buf + hdr_offset, hdr->len, io_u->offset + hdr_offset, |
| 300 | "expected", vc->io_u->file); |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 301 | free(buf); |
| 302 | } |
| 303 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 304 | static void log_verify_failure(struct verify_header *hdr, struct vcont *vc) |
| 305 | { |
| 306 | unsigned long long offset; |
| 307 | |
| 308 | offset = vc->io_u->offset; |
| 309 | offset += vc->hdr_num * hdr->len; |
Jens Axboe | 32c17ad | 2010-06-18 14:32:21 +0200 | [diff] [blame] | 310 | log_err("%.8s: verify failed at file %s offset %llu, length %u\n", |
| 311 | vc->name, vc->io_u->file->file_name, offset, hdr->len); |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 312 | |
| 313 | if (vc->good_crc && vc->bad_crc) { |
| 314 | log_err(" Expected CRC: "); |
| 315 | hexdump(vc->good_crc, vc->crc_len); |
| 316 | log_err(" Received CRC: "); |
| 317 | hexdump(vc->bad_crc, vc->crc_len); |
| 318 | } |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 319 | |
| 320 | dump_verify_buffers(hdr, vc); |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 321 | } |
| 322 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 323 | /* |
Jens Axboe | d9f2caf | 2007-07-28 21:22:03 +0200 | [diff] [blame] | 324 | * Return data area 'header_num' |
| 325 | */ |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 326 | 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] | 327 | { |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 328 | 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] | 329 | } |
| 330 | |
Jens Axboe | 92bf48d | 2011-01-14 21:20:42 +0100 | [diff] [blame] | 331 | static int verify_io_u_pattern(struct verify_header *hdr, struct vcont *vc) |
| 332 | { |
| 333 | struct thread_data *td = vc->td; |
| 334 | struct io_u *io_u = vc->io_u; |
| 335 | char *buf, *pattern; |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 336 | unsigned int header_size = __hdr_size(td->o.verify); |
Steven Lang | 9a2a86d | 2012-02-07 09:42:59 +0100 | [diff] [blame] | 337 | unsigned int len, mod, i, size, pattern_size; |
Jens Axboe | 92bf48d | 2011-01-14 21:20:42 +0100 | [diff] [blame] | 338 | |
| 339 | pattern = td->o.verify_pattern; |
Steven Lang | 9a2a86d | 2012-02-07 09:42:59 +0100 | [diff] [blame] | 340 | pattern_size = td->o.verify_pattern_bytes; |
| 341 | if (pattern_size <= 1) |
| 342 | pattern_size = MAX_PATTERN_SIZE; |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 343 | buf = (void *) hdr + header_size; |
| 344 | len = get_hdr_inc(td, io_u) - header_size; |
Steven Lang | 9a2a86d | 2012-02-07 09:42:59 +0100 | [diff] [blame] | 345 | mod = header_size % pattern_size; |
Jens Axboe | 92bf48d | 2011-01-14 21:20:42 +0100 | [diff] [blame] | 346 | |
Steven Lang | 9a2a86d | 2012-02-07 09:42:59 +0100 | [diff] [blame] | 347 | for (i = 0; i < len; i += size) { |
| 348 | size = pattern_size - mod; |
| 349 | if (size > (len - i)) |
| 350 | size = len - i; |
| 351 | if (memcmp(buf + i, pattern + mod, size)) |
Jens Axboe | e4ad68b | 2012-02-23 08:35:04 +0100 | [diff] [blame] | 352 | /* Let the slow compare find the first mismatch byte. */ |
Steven Lang | 9a2a86d | 2012-02-07 09:42:59 +0100 | [diff] [blame] | 353 | break; |
| 354 | mod = 0; |
| 355 | } |
| 356 | |
| 357 | for (; i < len; i++) { |
Jens Axboe | 92bf48d | 2011-01-14 21:20:42 +0100 | [diff] [blame] | 358 | if (buf[i] != pattern[mod]) { |
| 359 | unsigned int bits; |
| 360 | |
| 361 | bits = hweight8(buf[i] ^ pattern[mod]); |
| 362 | log_err("fio: got pattern %x, wanted %x. Bad bits %d\n", |
| 363 | buf[i], pattern[mod], bits); |
| 364 | log_err("fio: bad pattern block offset %u\n", i); |
| 365 | dump_verify_buffers(hdr, vc); |
| 366 | return EILSEQ; |
| 367 | } |
| 368 | mod++; |
| 369 | if (mod == td->o.verify_pattern_bytes) |
| 370 | mod = 0; |
| 371 | } |
| 372 | |
| 373 | return 0; |
| 374 | } |
| 375 | |
| 376 | static int verify_io_u_meta(struct verify_header *hdr, struct vcont *vc) |
| 377 | { |
| 378 | struct thread_data *td = vc->td; |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 379 | struct vhdr_meta *vh = hdr_priv(hdr); |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 380 | struct io_u *io_u = vc->io_u; |
Jens Axboe | 92bf48d | 2011-01-14 21:20:42 +0100 | [diff] [blame] | 381 | int ret = EILSEQ; |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 382 | |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 383 | dprint(FD_VERIFY, "meta verify io_u %p, len %u\n", io_u, hdr->len); |
| 384 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 385 | 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] | 386 | ret = 0; |
| 387 | |
| 388 | if (td->o.verify_pattern_bytes) |
| 389 | ret |= verify_io_u_pattern(hdr, vc); |
| 390 | |
Juan Casse | da0a7bd | 2013-09-17 14:06:12 -0700 | [diff] [blame] | 391 | /* |
| 392 | * For read-only workloads, the program cannot be certain of the |
Jens Axboe | 984c869 | 2014-07-21 11:31:49 +0200 | [diff] [blame] | 393 | * last numberio written to a block. Checking of numberio will be |
| 394 | * done only for workloads that write data. For verify_only, |
| 395 | * numberio will be checked in the last iteration when the correct |
| 396 | * state of numberio, that would have been written to each block |
| 397 | * in a previous run of fio, has been reached. |
Juan Casse | da0a7bd | 2013-09-17 14:06:12 -0700 | [diff] [blame] | 398 | */ |
Jens Axboe | 1fc351b | 2014-08-07 15:27:31 -0600 | [diff] [blame] | 399 | if ((td_write(td) || td_rw(td)) && (td_min_bs(td) == td_max_bs(td)) && |
| 400 | !td->o.time_based) |
Juan Casse | 6216776 | 2013-09-17 14:06:13 -0700 | [diff] [blame] | 401 | if (!td->o.verify_only || td->o.loops == 0) |
| 402 | if (vh->numberio != io_u->numberio) |
| 403 | ret = EILSEQ; |
Juan Casse | da0a7bd | 2013-09-17 14:06:12 -0700 | [diff] [blame] | 404 | |
Jens Axboe | 92bf48d | 2011-01-14 21:20:42 +0100 | [diff] [blame] | 405 | if (!ret) |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 406 | return 0; |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 407 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 408 | vc->name = "meta"; |
| 409 | log_verify_failure(hdr, vc); |
Jens Axboe | 92bf48d | 2011-01-14 21:20:42 +0100 | [diff] [blame] | 410 | return ret; |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 411 | } |
| 412 | |
Jens Axboe | 844ea60 | 2014-02-20 13:21:45 -0800 | [diff] [blame] | 413 | static int verify_io_u_xxhash(struct verify_header *hdr, struct vcont *vc) |
| 414 | { |
| 415 | void *p = io_u_verify_off(hdr, vc); |
| 416 | struct vhdr_xxhash *vh = hdr_priv(hdr); |
| 417 | uint32_t hash; |
| 418 | void *state; |
| 419 | |
| 420 | dprint(FD_VERIFY, "xxhash verify io_u %p, len %u\n", vc->io_u, hdr->len); |
| 421 | |
| 422 | state = XXH32_init(1); |
| 423 | XXH32_update(state, p, hdr->len - hdr_size(hdr)); |
| 424 | hash = XXH32_digest(state); |
| 425 | |
| 426 | if (vh->hash == hash) |
| 427 | return 0; |
| 428 | |
| 429 | vc->name = "xxhash"; |
| 430 | vc->good_crc = &vh->hash; |
| 431 | vc->bad_crc = &hash; |
| 432 | vc->crc_len = sizeof(hash); |
| 433 | log_verify_failure(hdr, vc); |
| 434 | return EILSEQ; |
| 435 | } |
| 436 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 437 | 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] | 438 | { |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 439 | void *p = io_u_verify_off(hdr, vc); |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 440 | struct vhdr_sha512 *vh = hdr_priv(hdr); |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 441 | uint8_t sha512[128]; |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 442 | struct fio_sha512_ctx sha512_ctx = { |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 443 | .buf = sha512, |
| 444 | }; |
| 445 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 446 | 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] | 447 | |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 448 | fio_sha512_init(&sha512_ctx); |
| 449 | fio_sha512_update(&sha512_ctx, p, hdr->len - hdr_size(hdr)); |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 450 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 451 | if (!memcmp(vh->sha512, sha512_ctx.buf, sizeof(sha512))) |
| 452 | return 0; |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 453 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 454 | vc->name = "sha512"; |
| 455 | vc->good_crc = vh->sha512; |
| 456 | vc->bad_crc = sha512_ctx.buf; |
| 457 | vc->crc_len = sizeof(vh->sha512); |
| 458 | log_verify_failure(hdr, vc); |
| 459 | return EILSEQ; |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 460 | } |
| 461 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 462 | 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] | 463 | { |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 464 | void *p = io_u_verify_off(hdr, vc); |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 465 | struct vhdr_sha256 *vh = hdr_priv(hdr); |
Jens Axboe | bc77f56 | 2010-02-23 10:36:21 +0100 | [diff] [blame] | 466 | uint8_t sha256[64]; |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 467 | struct fio_sha256_ctx sha256_ctx = { |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 468 | .buf = sha256, |
| 469 | }; |
| 470 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 471 | 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] | 472 | |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 473 | fio_sha256_init(&sha256_ctx); |
| 474 | fio_sha256_update(&sha256_ctx, p, hdr->len - hdr_size(hdr)); |
Jens Axboe | f795c81 | 2015-01-16 21:12:53 +0100 | [diff] [blame] | 475 | fio_sha256_final(&sha256_ctx); |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 476 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 477 | if (!memcmp(vh->sha256, sha256_ctx.buf, sizeof(sha256))) |
| 478 | return 0; |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 479 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 480 | vc->name = "sha256"; |
| 481 | vc->good_crc = vh->sha256; |
| 482 | vc->bad_crc = sha256_ctx.buf; |
| 483 | vc->crc_len = sizeof(vh->sha256); |
| 484 | log_verify_failure(hdr, vc); |
| 485 | return EILSEQ; |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 486 | } |
| 487 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 488 | 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] | 489 | { |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 490 | void *p = io_u_verify_off(hdr, vc); |
Jens Axboe | 7c353ce | 2009-08-09 22:40:33 +0200 | [diff] [blame] | 491 | struct vhdr_sha1 *vh = hdr_priv(hdr); |
| 492 | uint32_t sha1[5]; |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 493 | struct fio_sha1_ctx sha1_ctx = { |
Jens Axboe | 7c353ce | 2009-08-09 22:40:33 +0200 | [diff] [blame] | 494 | .H = sha1, |
| 495 | }; |
| 496 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 497 | 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] | 498 | |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 499 | fio_sha1_init(&sha1_ctx); |
| 500 | fio_sha1_update(&sha1_ctx, p, hdr->len - hdr_size(hdr)); |
Jens Axboe | f795c81 | 2015-01-16 21:12:53 +0100 | [diff] [blame] | 501 | fio_sha1_final(&sha1_ctx); |
Jens Axboe | 7c353ce | 2009-08-09 22:40:33 +0200 | [diff] [blame] | 502 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 503 | if (!memcmp(vh->sha1, sha1_ctx.H, sizeof(sha1))) |
| 504 | return 0; |
Jens Axboe | 7c353ce | 2009-08-09 22:40:33 +0200 | [diff] [blame] | 505 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 506 | vc->name = "sha1"; |
| 507 | vc->good_crc = vh->sha1; |
| 508 | vc->bad_crc = sha1_ctx.H; |
| 509 | vc->crc_len = sizeof(vh->sha1); |
| 510 | log_verify_failure(hdr, vc); |
| 511 | return EILSEQ; |
Jens Axboe | 7c353ce | 2009-08-09 22:40:33 +0200 | [diff] [blame] | 512 | } |
| 513 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 514 | 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] | 515 | { |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 516 | void *p = io_u_verify_off(hdr, vc); |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 517 | struct vhdr_crc7 *vh = hdr_priv(hdr); |
Jens Axboe | 1e154bd | 2007-07-27 09:52:40 +0200 | [diff] [blame] | 518 | unsigned char c; |
| 519 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 520 | 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] | 521 | |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 522 | c = fio_crc7(p, hdr->len - hdr_size(hdr)); |
Jens Axboe | 1e154bd | 2007-07-27 09:52:40 +0200 | [diff] [blame] | 523 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 524 | if (c == vh->crc7) |
| 525 | return 0; |
Jens Axboe | 1e154bd | 2007-07-27 09:52:40 +0200 | [diff] [blame] | 526 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 527 | vc->name = "crc7"; |
| 528 | vc->good_crc = &vh->crc7; |
| 529 | vc->bad_crc = &c; |
| 530 | vc->crc_len = 1; |
| 531 | log_verify_failure(hdr, vc); |
| 532 | return EILSEQ; |
Jens Axboe | 1e154bd | 2007-07-27 09:52:40 +0200 | [diff] [blame] | 533 | } |
| 534 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 535 | 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] | 536 | { |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 537 | void *p = io_u_verify_off(hdr, vc); |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 538 | struct vhdr_crc16 *vh = hdr_priv(hdr); |
Jens Axboe | 969f7ed | 2007-07-27 09:07:17 +0200 | [diff] [blame] | 539 | unsigned short c; |
| 540 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 541 | 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] | 542 | |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 543 | c = fio_crc16(p, hdr->len - hdr_size(hdr)); |
Jens Axboe | 969f7ed | 2007-07-27 09:07:17 +0200 | [diff] [blame] | 544 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 545 | if (c == vh->crc16) |
| 546 | return 0; |
Jens Axboe | 969f7ed | 2007-07-27 09:07:17 +0200 | [diff] [blame] | 547 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 548 | vc->name = "crc16"; |
| 549 | vc->good_crc = &vh->crc16; |
| 550 | vc->bad_crc = &c; |
| 551 | vc->crc_len = 2; |
| 552 | log_verify_failure(hdr, vc); |
| 553 | return EILSEQ; |
Jens Axboe | 969f7ed | 2007-07-27 09:07:17 +0200 | [diff] [blame] | 554 | } |
| 555 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 556 | 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] | 557 | { |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 558 | void *p = io_u_verify_off(hdr, vc); |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 559 | struct vhdr_crc64 *vh = hdr_priv(hdr); |
Jens Axboe | d77a7af | 2007-07-27 15:35:06 +0200 | [diff] [blame] | 560 | unsigned long long c; |
| 561 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 562 | 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] | 563 | |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 564 | c = fio_crc64(p, hdr->len - hdr_size(hdr)); |
Jens Axboe | d77a7af | 2007-07-27 15:35:06 +0200 | [diff] [blame] | 565 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 566 | if (c == vh->crc64) |
| 567 | return 0; |
Jens Axboe | d77a7af | 2007-07-27 15:35:06 +0200 | [diff] [blame] | 568 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 569 | vc->name = "crc64"; |
| 570 | vc->good_crc = &vh->crc64; |
| 571 | vc->bad_crc = &c; |
| 572 | vc->crc_len = 8; |
| 573 | log_verify_failure(hdr, vc); |
| 574 | return EILSEQ; |
Jens Axboe | d77a7af | 2007-07-27 15:35:06 +0200 | [diff] [blame] | 575 | } |
| 576 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 577 | 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] | 578 | { |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 579 | void *p = io_u_verify_off(hdr, vc); |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 580 | struct vhdr_crc32 *vh = hdr_priv(hdr); |
| 581 | uint32_t c; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 582 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 583 | 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] | 584 | |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 585 | c = fio_crc32(p, hdr->len - hdr_size(hdr)); |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 586 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 587 | if (c == vh->crc32) |
| 588 | return 0; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 589 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 590 | vc->name = "crc32"; |
| 591 | vc->good_crc = &vh->crc32; |
| 592 | vc->bad_crc = &c; |
| 593 | vc->crc_len = 4; |
| 594 | log_verify_failure(hdr, vc); |
| 595 | return EILSEQ; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 596 | } |
| 597 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 598 | 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] | 599 | { |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 600 | void *p = io_u_verify_off(hdr, vc); |
Jens Axboe | bac39e0 | 2008-06-11 20:46:19 +0200 | [diff] [blame] | 601 | struct vhdr_crc32 *vh = hdr_priv(hdr); |
| 602 | uint32_t c; |
| 603 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 604 | 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] | 605 | |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 606 | c = fio_crc32c(p, hdr->len - hdr_size(hdr)); |
Jens Axboe | bac39e0 | 2008-06-11 20:46:19 +0200 | [diff] [blame] | 607 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 608 | if (c == vh->crc32) |
| 609 | return 0; |
Jens Axboe | bac39e0 | 2008-06-11 20:46:19 +0200 | [diff] [blame] | 610 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 611 | vc->name = "crc32c"; |
| 612 | vc->good_crc = &vh->crc32; |
| 613 | vc->bad_crc = &c; |
| 614 | vc->crc_len = 4; |
| 615 | log_verify_failure(hdr, vc); |
| 616 | return EILSEQ; |
Jens Axboe | bac39e0 | 2008-06-11 20:46:19 +0200 | [diff] [blame] | 617 | } |
| 618 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 619 | 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] | 620 | { |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 621 | void *p = io_u_verify_off(hdr, vc); |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 622 | struct vhdr_md5 *vh = hdr_priv(hdr); |
Jens Axboe | 8c43232 | 2007-07-27 13:16:24 +0200 | [diff] [blame] | 623 | uint32_t hash[MD5_HASH_WORDS]; |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 624 | struct fio_md5_ctx md5_ctx = { |
Jens Axboe | 8c43232 | 2007-07-27 13:16:24 +0200 | [diff] [blame] | 625 | .hash = hash, |
| 626 | }; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 627 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 628 | 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] | 629 | |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 630 | fio_md5_init(&md5_ctx); |
| 631 | fio_md5_update(&md5_ctx, p, hdr->len - hdr_size(hdr)); |
Jens Axboe | f795c81 | 2015-01-16 21:12:53 +0100 | [diff] [blame] | 632 | fio_md5_final(&md5_ctx); |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 633 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 634 | if (!memcmp(vh->md5_digest, md5_ctx.hash, sizeof(hash))) |
| 635 | return 0; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 636 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 637 | vc->name = "md5"; |
| 638 | vc->good_crc = vh->md5_digest; |
| 639 | vc->bad_crc = md5_ctx.hash; |
| 640 | vc->crc_len = sizeof(hash); |
| 641 | log_verify_failure(hdr, vc); |
| 642 | return EILSEQ; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 643 | } |
| 644 | |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 645 | /* |
| 646 | * Push IO verification to a separate thread |
| 647 | */ |
Jens Axboe | e69fdf7 | 2014-07-23 16:11:43 +0200 | [diff] [blame] | 648 | int verify_io_u_async(struct thread_data *td, struct io_u **io_u_ptr) |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 649 | { |
Jens Axboe | e69fdf7 | 2014-07-23 16:11:43 +0200 | [diff] [blame] | 650 | struct io_u *io_u = *io_u_ptr; |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 651 | |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 652 | pthread_mutex_lock(&td->io_u_lock); |
Steven Lang | d7ee2a7 | 2011-10-26 09:46:50 +0200 | [diff] [blame] | 653 | |
Jens Axboe | e69fdf7 | 2014-07-23 16:11:43 +0200 | [diff] [blame] | 654 | if (io_u->file) |
| 655 | put_file_log(td, io_u->file); |
| 656 | |
Radha Ramachandran | 0c41214 | 2009-11-03 21:45:31 +0100 | [diff] [blame] | 657 | if (io_u->flags & IO_U_F_IN_CUR_DEPTH) { |
| 658 | td->cur_depth--; |
| 659 | io_u->flags &= ~IO_U_F_IN_CUR_DEPTH; |
| 660 | } |
Jens Axboe | 2ae0b20 | 2013-05-28 14:16:55 +0200 | [diff] [blame] | 661 | flist_add_tail(&io_u->verify_list, &td->verify_list); |
Jens Axboe | e69fdf7 | 2014-07-23 16:11:43 +0200 | [diff] [blame] | 662 | *io_u_ptr = NULL; |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 663 | pthread_mutex_unlock(&td->io_u_lock); |
| 664 | |
| 665 | pthread_cond_signal(&td->verify_cond); |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 666 | return 0; |
| 667 | } |
| 668 | |
Jens Axboe | 0d29de8 | 2010-09-01 13:54:15 +0200 | [diff] [blame] | 669 | static int verify_trimmed_io_u(struct thread_data *td, struct io_u *io_u) |
| 670 | { |
| 671 | static char zero_buf[1024]; |
| 672 | unsigned int this_len, len; |
| 673 | int ret = 0; |
| 674 | void *p; |
| 675 | |
| 676 | if (!td->o.trim_zero) |
| 677 | return 0; |
| 678 | |
| 679 | len = io_u->buflen; |
| 680 | p = io_u->buf; |
| 681 | do { |
| 682 | this_len = sizeof(zero_buf); |
| 683 | if (this_len > len) |
| 684 | this_len = len; |
| 685 | if (memcmp(p, zero_buf, this_len)) { |
| 686 | ret = EILSEQ; |
| 687 | break; |
| 688 | } |
| 689 | len -= this_len; |
| 690 | p += this_len; |
| 691 | } while (len); |
| 692 | |
| 693 | if (!ret) |
| 694 | return 0; |
| 695 | |
Jens Axboe | a917a8b | 2010-09-02 13:23:20 +0200 | [diff] [blame] | 696 | log_err("trim: verify failed at file %s offset %llu, length %lu" |
| 697 | ", block offset %lu\n", |
| 698 | io_u->file->file_name, io_u->offset, io_u->buflen, |
Jens Axboe | 2f68124 | 2010-10-21 08:15:59 +0200 | [diff] [blame] | 699 | (unsigned long) (p - io_u->buf)); |
Jens Axboe | 0d29de8 | 2010-09-01 13:54:15 +0200 | [diff] [blame] | 700 | return ret; |
| 701 | } |
| 702 | |
Andreas Gruenbacher | bf65415 | 2014-06-24 22:13:50 +0200 | [diff] [blame] | 703 | static int verify_header(struct io_u *io_u, struct verify_header *hdr, |
| 704 | unsigned int hdr_num, unsigned int hdr_len) |
Jens Axboe | f65d1c2 | 2012-02-22 20:11:57 +0100 | [diff] [blame] | 705 | { |
| 706 | void *p = hdr; |
| 707 | uint32_t crc; |
| 708 | |
Andreas Gruenbacher | bf65415 | 2014-06-24 22:13:50 +0200 | [diff] [blame] | 709 | if (hdr->magic != FIO_HDR_MAGIC) { |
| 710 | log_err("verify: bad magic header %x, wanted %x", |
| 711 | hdr->magic, FIO_HDR_MAGIC); |
| 712 | goto err; |
| 713 | } |
Andreas Gruenbacher | 4547419 | 2014-06-26 19:25:30 +0200 | [diff] [blame] | 714 | if (hdr->len != hdr_len) { |
Andreas Gruenbacher | bf65415 | 2014-06-24 22:13:50 +0200 | [diff] [blame] | 715 | log_err("verify: bad header length %u, wanted %u", |
| 716 | hdr->len, hdr_len); |
| 717 | goto err; |
| 718 | } |
| 719 | if (hdr->rand_seed != io_u->rand_seed) { |
| 720 | log_err("verify: bad header rand_seed %"PRIu64 |
| 721 | ", wanted %"PRIu64, |
| 722 | hdr->rand_seed, io_u->rand_seed); |
| 723 | goto err; |
| 724 | } |
Jens Axboe | ae38c0d | 2012-02-23 10:31:07 +0100 | [diff] [blame] | 725 | |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 726 | crc = fio_crc32c(p, offsetof(struct verify_header, crc32)); |
Andreas Gruenbacher | bf65415 | 2014-06-24 22:13:50 +0200 | [diff] [blame] | 727 | if (crc != hdr->crc32) { |
| 728 | log_err("verify: bad header crc %x, calculated %x", |
| 729 | hdr->crc32, crc); |
| 730 | goto err; |
| 731 | } |
| 732 | return 0; |
| 733 | |
| 734 | err: |
| 735 | log_err(" at file %s offset %llu, length %u\n", |
| 736 | io_u->file->file_name, |
| 737 | io_u->offset + hdr_num * hdr_len, hdr_len); |
| 738 | return EILSEQ; |
Jens Axboe | f65d1c2 | 2012-02-22 20:11:57 +0100 | [diff] [blame] | 739 | } |
| 740 | |
Jens Axboe | e69fdf7 | 2014-07-23 16:11:43 +0200 | [diff] [blame] | 741 | int verify_io_u(struct thread_data *td, struct io_u **io_u_ptr) |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 742 | { |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 743 | struct verify_header *hdr; |
Jens Axboe | e69fdf7 | 2014-07-23 16:11:43 +0200 | [diff] [blame] | 744 | struct io_u *io_u = *io_u_ptr; |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 745 | unsigned int header_size, hdr_inc, hdr_num = 0; |
Jens Axboe | 9564610 | 2007-07-28 21:17:50 +0200 | [diff] [blame] | 746 | void *p; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 747 | int ret; |
| 748 | |
Shawn Lewis | 1dcc049 | 2007-07-27 08:02:45 +0200 | [diff] [blame] | 749 | if (td->o.verify == VERIFY_NULL || io_u->ddir != DDIR_READ) |
Jens Axboe | 36690c9 | 2007-03-26 10:23:34 +0200 | [diff] [blame] | 750 | return 0; |
Jens Axboe | d957070 | 2014-07-23 16:19:48 +0200 | [diff] [blame] | 751 | /* |
| 752 | * If the IO engine is faking IO (like null), then just pretend |
| 753 | * we verified everything. |
| 754 | */ |
| 755 | if (td->io_ops->flags & FIO_FAKEIO) |
| 756 | return 0; |
| 757 | |
Jens Axboe | 0d29de8 | 2010-09-01 13:54:15 +0200 | [diff] [blame] | 758 | if (io_u->flags & IO_U_F_TRIMMED) { |
| 759 | ret = verify_trimmed_io_u(td, io_u); |
| 760 | goto done; |
| 761 | } |
Jens Axboe | 36690c9 | 2007-03-26 10:23:34 +0200 | [diff] [blame] | 762 | |
Jens Axboe | cfbcd0d | 2011-01-14 14:49:20 +0100 | [diff] [blame] | 763 | hdr_inc = get_hdr_inc(td, io_u); |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 764 | |
Jens Axboe | a12a3b4 | 2007-08-09 10:20:54 +0200 | [diff] [blame] | 765 | ret = 0; |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 766 | for (p = io_u->buf; p < io_u->buf + io_u->buflen; |
| 767 | p += hdr_inc, hdr_num++) { |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 768 | struct vcont vc = { |
| 769 | .io_u = io_u, |
| 770 | .hdr_num = hdr_num, |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 771 | .td = td, |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 772 | }; |
Jens Axboe | f00b210 | 2012-11-30 09:39:02 +0100 | [diff] [blame] | 773 | unsigned int verify_type; |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 774 | |
Jens Axboe | f3e6cb9 | 2010-06-18 14:48:43 +0200 | [diff] [blame] | 775 | if (ret && td->o.verify_fatal) |
Jens Axboe | a12a3b4 | 2007-08-09 10:20:54 +0200 | [diff] [blame] | 776 | break; |
Jens Axboe | f3e6cb9 | 2010-06-18 14:48:43 +0200 | [diff] [blame] | 777 | |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 778 | header_size = __hdr_size(td->o.verify); |
Jens Axboe | a59e170 | 2007-07-30 08:53:27 +0200 | [diff] [blame] | 779 | if (td->o.verify_offset) |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 780 | memswp(p, p + td->o.verify_offset, header_size); |
Jens Axboe | 9564610 | 2007-07-28 21:17:50 +0200 | [diff] [blame] | 781 | hdr = p; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 782 | |
Puthikorn Voravootivat | c4b6117 | 2014-02-05 10:17:11 -0700 | [diff] [blame] | 783 | /* |
| 784 | * Make rand_seed check pass when have verifysort or |
| 785 | * verify_backlog. |
| 786 | */ |
| 787 | if (td->o.verifysort || (td->flags & TD_F_VER_BACKLOG)) |
| 788 | io_u->rand_seed = hdr->rand_seed; |
| 789 | |
Andreas Gruenbacher | bf65415 | 2014-06-24 22:13:50 +0200 | [diff] [blame] | 790 | ret = verify_header(io_u, hdr, hdr_num, hdr_inc); |
| 791 | if (ret) |
| 792 | return ret; |
Jens Axboe | 3f199b0 | 2007-08-09 10:16:31 +0200 | [diff] [blame] | 793 | |
Jens Axboe | f00b210 | 2012-11-30 09:39:02 +0100 | [diff] [blame] | 794 | if (td->o.verify != VERIFY_NONE) |
| 795 | verify_type = td->o.verify; |
| 796 | else |
| 797 | verify_type = hdr->verify_type; |
| 798 | |
| 799 | switch (verify_type) { |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 800 | case VERIFY_MD5: |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 801 | ret = verify_io_u_md5(hdr, &vc); |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 802 | break; |
| 803 | case VERIFY_CRC64: |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 804 | ret = verify_io_u_crc64(hdr, &vc); |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 805 | break; |
Jens Axboe | bac39e0 | 2008-06-11 20:46:19 +0200 | [diff] [blame] | 806 | case VERIFY_CRC32C: |
Jens Axboe | 3845591 | 2008-08-04 15:35:26 +0200 | [diff] [blame] | 807 | case VERIFY_CRC32C_INTEL: |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 808 | ret = verify_io_u_crc32c(hdr, &vc); |
Jens Axboe | bac39e0 | 2008-06-11 20:46:19 +0200 | [diff] [blame] | 809 | break; |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 810 | case VERIFY_CRC32: |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 811 | ret = verify_io_u_crc32(hdr, &vc); |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 812 | break; |
| 813 | case VERIFY_CRC16: |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 814 | ret = verify_io_u_crc16(hdr, &vc); |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 815 | break; |
| 816 | case VERIFY_CRC7: |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 817 | ret = verify_io_u_crc7(hdr, &vc); |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 818 | break; |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 819 | case VERIFY_SHA256: |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 820 | ret = verify_io_u_sha256(hdr, &vc); |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 821 | break; |
| 822 | case VERIFY_SHA512: |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 823 | ret = verify_io_u_sha512(hdr, &vc); |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 824 | break; |
Jens Axboe | 844ea60 | 2014-02-20 13:21:45 -0800 | [diff] [blame] | 825 | case VERIFY_XXHASH: |
| 826 | ret = verify_io_u_xxhash(hdr, &vc); |
| 827 | break; |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 828 | case VERIFY_META: |
Jens Axboe | 92bf48d | 2011-01-14 21:20:42 +0100 | [diff] [blame] | 829 | ret = verify_io_u_meta(hdr, &vc); |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 830 | break; |
Jens Axboe | 7c353ce | 2009-08-09 22:40:33 +0200 | [diff] [blame] | 831 | case VERIFY_SHA1: |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 832 | ret = verify_io_u_sha1(hdr, &vc); |
Jens Axboe | 7c353ce | 2009-08-09 22:40:33 +0200 | [diff] [blame] | 833 | break; |
Jens Axboe | 92bf48d | 2011-01-14 21:20:42 +0100 | [diff] [blame] | 834 | case VERIFY_PATTERN: |
| 835 | ret = verify_io_u_pattern(hdr, &vc); |
| 836 | break; |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 837 | default: |
| 838 | log_err("Bad verify type %u\n", hdr->verify_type); |
Jens Axboe | d16d4e0 | 2007-09-06 16:16:44 +0200 | [diff] [blame] | 839 | ret = EINVAL; |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 840 | } |
Jens Axboe | f00b210 | 2012-11-30 09:39:02 +0100 | [diff] [blame] | 841 | |
| 842 | if (ret && verify_type != hdr->verify_type) |
| 843 | log_err("fio: verify type mismatch (%u media, %u given)\n", |
| 844 | hdr->verify_type, verify_type); |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 845 | } |
Jens Axboe | a7dfe86 | 2007-03-12 10:05:08 +0100 | [diff] [blame] | 846 | |
Jens Axboe | 0d29de8 | 2010-09-01 13:54:15 +0200 | [diff] [blame] | 847 | done: |
Jens Axboe | f3e6cb9 | 2010-06-18 14:48:43 +0200 | [diff] [blame] | 848 | if (ret && td->o.verify_fatal) |
Jens Axboe | 3b44e8b | 2014-07-09 11:24:12 +0200 | [diff] [blame] | 849 | fio_mark_td_terminate(td); |
Jens Axboe | f3e6cb9 | 2010-06-18 14:48:43 +0200 | [diff] [blame] | 850 | |
Jens Axboe | a12a3b4 | 2007-08-09 10:20:54 +0200 | [diff] [blame] | 851 | return ret; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 852 | } |
| 853 | |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 854 | static void fill_meta(struct verify_header *hdr, struct thread_data *td, |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 855 | struct io_u *io_u, unsigned int header_num) |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 856 | { |
| 857 | struct vhdr_meta *vh = hdr_priv(hdr); |
| 858 | |
| 859 | vh->thread = td->thread_number; |
| 860 | |
| 861 | vh->time_sec = io_u->start_time.tv_sec; |
| 862 | vh->time_usec = io_u->start_time.tv_usec; |
| 863 | |
Juan Casse | da0a7bd | 2013-09-17 14:06:12 -0700 | [diff] [blame] | 864 | vh->numberio = io_u->numberio; |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 865 | |
| 866 | vh->offset = io_u->offset + header_num * td->o.verify_interval; |
| 867 | } |
| 868 | |
Jens Axboe | 844ea60 | 2014-02-20 13:21:45 -0800 | [diff] [blame] | 869 | static void fill_xxhash(struct verify_header *hdr, void *p, unsigned int len) |
| 870 | { |
| 871 | struct vhdr_xxhash *vh = hdr_priv(hdr); |
| 872 | void *state; |
| 873 | |
| 874 | state = XXH32_init(1); |
| 875 | XXH32_update(state, p, len); |
| 876 | vh->hash = XXH32_digest(state); |
| 877 | } |
| 878 | |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 879 | static void fill_sha512(struct verify_header *hdr, void *p, unsigned int len) |
| 880 | { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 881 | struct vhdr_sha512 *vh = hdr_priv(hdr); |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 882 | struct fio_sha512_ctx sha512_ctx = { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 883 | .buf = vh->sha512, |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 884 | }; |
| 885 | |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 886 | fio_sha512_init(&sha512_ctx); |
| 887 | fio_sha512_update(&sha512_ctx, p, len); |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 888 | } |
| 889 | |
| 890 | static void fill_sha256(struct verify_header *hdr, void *p, unsigned int len) |
| 891 | { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 892 | struct vhdr_sha256 *vh = hdr_priv(hdr); |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 893 | struct fio_sha256_ctx sha256_ctx = { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 894 | .buf = vh->sha256, |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 895 | }; |
| 896 | |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 897 | fio_sha256_init(&sha256_ctx); |
| 898 | fio_sha256_update(&sha256_ctx, p, len); |
Jens Axboe | f795c81 | 2015-01-16 21:12:53 +0100 | [diff] [blame] | 899 | fio_sha256_final(&sha256_ctx); |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 900 | } |
| 901 | |
Jens Axboe | 7c353ce | 2009-08-09 22:40:33 +0200 | [diff] [blame] | 902 | static void fill_sha1(struct verify_header *hdr, void *p, unsigned int len) |
| 903 | { |
| 904 | struct vhdr_sha1 *vh = hdr_priv(hdr); |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 905 | struct fio_sha1_ctx sha1_ctx = { |
Jens Axboe | 7c353ce | 2009-08-09 22:40:33 +0200 | [diff] [blame] | 906 | .H = vh->sha1, |
| 907 | }; |
| 908 | |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 909 | fio_sha1_init(&sha1_ctx); |
| 910 | fio_sha1_update(&sha1_ctx, p, len); |
Jens Axboe | f795c81 | 2015-01-16 21:12:53 +0100 | [diff] [blame] | 911 | fio_sha1_final(&sha1_ctx); |
Jens Axboe | 7c353ce | 2009-08-09 22:40:33 +0200 | [diff] [blame] | 912 | } |
| 913 | |
Jens Axboe | 1e154bd | 2007-07-27 09:52:40 +0200 | [diff] [blame] | 914 | static void fill_crc7(struct verify_header *hdr, void *p, unsigned int len) |
| 915 | { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 916 | struct vhdr_crc7 *vh = hdr_priv(hdr); |
| 917 | |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 918 | vh->crc7 = fio_crc7(p, len); |
Jens Axboe | 1e154bd | 2007-07-27 09:52:40 +0200 | [diff] [blame] | 919 | } |
| 920 | |
Jens Axboe | 969f7ed | 2007-07-27 09:07:17 +0200 | [diff] [blame] | 921 | static void fill_crc16(struct verify_header *hdr, void *p, unsigned int len) |
| 922 | { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 923 | struct vhdr_crc16 *vh = hdr_priv(hdr); |
| 924 | |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 925 | vh->crc16 = fio_crc16(p, len); |
Jens Axboe | 969f7ed | 2007-07-27 09:07:17 +0200 | [diff] [blame] | 926 | } |
| 927 | |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 928 | static void fill_crc32(struct verify_header *hdr, void *p, unsigned int len) |
| 929 | { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 930 | struct vhdr_crc32 *vh = hdr_priv(hdr); |
| 931 | |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 932 | vh->crc32 = fio_crc32(p, len); |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 933 | } |
| 934 | |
Jens Axboe | bac39e0 | 2008-06-11 20:46:19 +0200 | [diff] [blame] | 935 | static void fill_crc32c(struct verify_header *hdr, void *p, unsigned int len) |
| 936 | { |
| 937 | struct vhdr_crc32 *vh = hdr_priv(hdr); |
| 938 | |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 939 | vh->crc32 = fio_crc32c(p, len); |
Jens Axboe | bac39e0 | 2008-06-11 20:46:19 +0200 | [diff] [blame] | 940 | } |
| 941 | |
Jens Axboe | d77a7af | 2007-07-27 15:35:06 +0200 | [diff] [blame] | 942 | static void fill_crc64(struct verify_header *hdr, void *p, unsigned int len) |
| 943 | { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 944 | struct vhdr_crc64 *vh = hdr_priv(hdr); |
| 945 | |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 946 | vh->crc64 = fio_crc64(p, len); |
Jens Axboe | d77a7af | 2007-07-27 15:35:06 +0200 | [diff] [blame] | 947 | } |
| 948 | |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 949 | static void fill_md5(struct verify_header *hdr, void *p, unsigned int len) |
| 950 | { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 951 | struct vhdr_md5 *vh = hdr_priv(hdr); |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 952 | struct fio_md5_ctx md5_ctx = { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 953 | .hash = (uint32_t *) vh->md5_digest, |
Jens Axboe | 8c43232 | 2007-07-27 13:16:24 +0200 | [diff] [blame] | 954 | }; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 955 | |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 956 | fio_md5_init(&md5_ctx); |
| 957 | fio_md5_update(&md5_ctx, p, len); |
Jens Axboe | f795c81 | 2015-01-16 21:12:53 +0100 | [diff] [blame] | 958 | fio_md5_final(&md5_ctx); |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 959 | } |
| 960 | |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 961 | static void populate_hdr(struct thread_data *td, struct io_u *io_u, |
| 962 | struct verify_header *hdr, unsigned int header_num, |
| 963 | unsigned int header_len) |
| 964 | { |
| 965 | unsigned int data_len; |
| 966 | void *data, *p; |
| 967 | |
| 968 | p = (void *) hdr; |
| 969 | |
Jens Axboe | d3a173a | 2012-02-23 08:23:18 +0100 | [diff] [blame] | 970 | hdr->magic = FIO_HDR_MAGIC; |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 971 | hdr->verify_type = td->o.verify; |
Jens Axboe | d3a173a | 2012-02-23 08:23:18 +0100 | [diff] [blame] | 972 | hdr->len = header_len; |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 973 | hdr->rand_seed = io_u->rand_seed; |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 974 | hdr->crc32 = fio_crc32c(p, offsetof(struct verify_header, crc32)); |
Jens Axboe | f65d1c2 | 2012-02-22 20:11:57 +0100 | [diff] [blame] | 975 | |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 976 | data_len = header_len - hdr_size(hdr); |
| 977 | |
| 978 | data = p + hdr_size(hdr); |
| 979 | switch (td->o.verify) { |
| 980 | case VERIFY_MD5: |
| 981 | dprint(FD_VERIFY, "fill md5 io_u %p, len %u\n", |
| 982 | io_u, hdr->len); |
| 983 | fill_md5(hdr, data, data_len); |
| 984 | break; |
| 985 | case VERIFY_CRC64: |
| 986 | dprint(FD_VERIFY, "fill crc64 io_u %p, len %u\n", |
| 987 | io_u, hdr->len); |
| 988 | fill_crc64(hdr, data, data_len); |
| 989 | break; |
| 990 | case VERIFY_CRC32C: |
| 991 | case VERIFY_CRC32C_INTEL: |
| 992 | dprint(FD_VERIFY, "fill crc32c io_u %p, len %u\n", |
| 993 | io_u, hdr->len); |
| 994 | fill_crc32c(hdr, data, data_len); |
| 995 | break; |
| 996 | case VERIFY_CRC32: |
| 997 | dprint(FD_VERIFY, "fill crc32 io_u %p, len %u\n", |
| 998 | io_u, hdr->len); |
| 999 | fill_crc32(hdr, data, data_len); |
| 1000 | break; |
| 1001 | case VERIFY_CRC16: |
| 1002 | dprint(FD_VERIFY, "fill crc16 io_u %p, len %u\n", |
| 1003 | io_u, hdr->len); |
| 1004 | fill_crc16(hdr, data, data_len); |
| 1005 | break; |
| 1006 | case VERIFY_CRC7: |
| 1007 | dprint(FD_VERIFY, "fill crc7 io_u %p, len %u\n", |
| 1008 | io_u, hdr->len); |
| 1009 | fill_crc7(hdr, data, data_len); |
| 1010 | break; |
| 1011 | case VERIFY_SHA256: |
| 1012 | dprint(FD_VERIFY, "fill sha256 io_u %p, len %u\n", |
| 1013 | io_u, hdr->len); |
| 1014 | fill_sha256(hdr, data, data_len); |
| 1015 | break; |
| 1016 | case VERIFY_SHA512: |
| 1017 | dprint(FD_VERIFY, "fill sha512 io_u %p, len %u\n", |
| 1018 | io_u, hdr->len); |
| 1019 | fill_sha512(hdr, data, data_len); |
| 1020 | break; |
Jens Axboe | 844ea60 | 2014-02-20 13:21:45 -0800 | [diff] [blame] | 1021 | case VERIFY_XXHASH: |
| 1022 | dprint(FD_VERIFY, "fill xxhash io_u %p, len %u\n", |
| 1023 | io_u, hdr->len); |
| 1024 | fill_xxhash(hdr, data, data_len); |
| 1025 | break; |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 1026 | case VERIFY_META: |
| 1027 | dprint(FD_VERIFY, "fill meta io_u %p, len %u\n", |
| 1028 | io_u, hdr->len); |
| 1029 | fill_meta(hdr, td, io_u, header_num); |
| 1030 | break; |
| 1031 | case VERIFY_SHA1: |
| 1032 | dprint(FD_VERIFY, "fill sha1 io_u %p, len %u\n", |
| 1033 | io_u, hdr->len); |
| 1034 | fill_sha1(hdr, data, data_len); |
| 1035 | break; |
Jens Axboe | 92bf48d | 2011-01-14 21:20:42 +0100 | [diff] [blame] | 1036 | case VERIFY_PATTERN: |
| 1037 | /* nothing to do here */ |
| 1038 | break; |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 1039 | default: |
| 1040 | log_err("fio: bad verify type: %d\n", td->o.verify); |
| 1041 | assert(0); |
| 1042 | } |
| 1043 | if (td->o.verify_offset) |
| 1044 | memswp(p, p + td->o.verify_offset, hdr_size(hdr)); |
| 1045 | } |
| 1046 | |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 1047 | /* |
| 1048 | * 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] | 1049 | * checksum of choice |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 1050 | */ |
| 1051 | void populate_verify_io_u(struct thread_data *td, struct io_u *io_u) |
| 1052 | { |
Jens Axboe | 9cc3d15 | 2007-03-26 10:32:30 +0200 | [diff] [blame] | 1053 | if (td->o.verify == VERIFY_NULL) |
| 1054 | return; |
| 1055 | |
Juan Casse | da0a7bd | 2013-09-17 14:06:12 -0700 | [diff] [blame] | 1056 | io_u->numberio = td->io_issues[io_u->ddir]; |
| 1057 | |
Jens Axboe | c50ca7b | 2011-01-12 08:31:54 +0100 | [diff] [blame] | 1058 | fill_pattern_headers(td, io_u, 0, 0); |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 1059 | } |
| 1060 | |
| 1061 | int get_next_verify(struct thread_data *td, struct io_u *io_u) |
| 1062 | { |
Jens Axboe | 8de8f04 | 2007-03-27 10:36:12 +0200 | [diff] [blame] | 1063 | struct io_piece *ipo = NULL; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 1064 | |
Jens Axboe | d2d7fa5 | 2007-02-19 13:21:35 +0100 | [diff] [blame] | 1065 | /* |
| 1066 | * this io_u is from a requeue, we already filled the offsets |
| 1067 | */ |
| 1068 | if (io_u->file) |
| 1069 | return 0; |
| 1070 | |
Jens Axboe | 8de8f04 | 2007-03-27 10:36:12 +0200 | [diff] [blame] | 1071 | if (!RB_EMPTY_ROOT(&td->io_hist_tree)) { |
| 1072 | struct rb_node *n = rb_first(&td->io_hist_tree); |
| 1073 | |
Jens Axboe | 4b87898 | 2007-03-26 09:32:22 +0200 | [diff] [blame] | 1074 | ipo = rb_entry(n, struct io_piece, rb_node); |
Jens Axboe | f940128 | 2014-02-06 12:17:37 -0700 | [diff] [blame] | 1075 | |
| 1076 | /* |
| 1077 | * Ensure that the associated IO has completed |
| 1078 | */ |
| 1079 | read_barrier(); |
| 1080 | if (ipo->flags & IP_F_IN_FLIGHT) |
| 1081 | goto nothing; |
| 1082 | |
Jens Axboe | 4b87898 | 2007-03-26 09:32:22 +0200 | [diff] [blame] | 1083 | rb_erase(n, &td->io_hist_tree); |
Jens Axboe | a917a8b | 2010-09-02 13:23:20 +0200 | [diff] [blame] | 1084 | assert(ipo->flags & IP_F_ONRB); |
| 1085 | ipo->flags &= ~IP_F_ONRB; |
Jens Axboe | 01743ee | 2008-06-02 12:19:19 +0200 | [diff] [blame] | 1086 | } else if (!flist_empty(&td->io_hist_list)) { |
Jens Axboe | 12dbd06 | 2014-07-03 21:19:57 -0600 | [diff] [blame] | 1087 | ipo = flist_first_entry(&td->io_hist_list, struct io_piece, list); |
Jens Axboe | f940128 | 2014-02-06 12:17:37 -0700 | [diff] [blame] | 1088 | |
| 1089 | /* |
| 1090 | * Ensure that the associated IO has completed |
| 1091 | */ |
| 1092 | read_barrier(); |
| 1093 | if (ipo->flags & IP_F_IN_FLIGHT) |
| 1094 | goto nothing; |
| 1095 | |
Jens Axboe | 01743ee | 2008-06-02 12:19:19 +0200 | [diff] [blame] | 1096 | flist_del(&ipo->list); |
Jens Axboe | a917a8b | 2010-09-02 13:23:20 +0200 | [diff] [blame] | 1097 | assert(ipo->flags & IP_F_ONLIST); |
| 1098 | ipo->flags &= ~IP_F_ONLIST; |
Jens Axboe | 8de8f04 | 2007-03-27 10:36:12 +0200 | [diff] [blame] | 1099 | } |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 1100 | |
Jens Axboe | 8de8f04 | 2007-03-27 10:36:12 +0200 | [diff] [blame] | 1101 | if (ipo) { |
Jens Axboe | 0d29de8 | 2010-09-01 13:54:15 +0200 | [diff] [blame] | 1102 | td->io_hist_len--; |
| 1103 | |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 1104 | io_u->offset = ipo->offset; |
| 1105 | io_u->buflen = ipo->len; |
Juan Casse | da0a7bd | 2013-09-17 14:06:12 -0700 | [diff] [blame] | 1106 | io_u->numberio = ipo->numberio; |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 1107 | io_u->file = ipo->file; |
Jens Axboe | 82af2a7 | 2012-03-13 13:45:58 +0100 | [diff] [blame] | 1108 | io_u->flags |= IO_U_F_VER_LIST; |
Jens Axboe | 97af62c | 2007-05-22 11:12:13 +0200 | [diff] [blame] | 1109 | |
Jens Axboe | 0d29de8 | 2010-09-01 13:54:15 +0200 | [diff] [blame] | 1110 | if (ipo->flags & IP_F_TRIMMED) |
| 1111 | io_u->flags |= IO_U_F_TRIMMED; |
| 1112 | |
Jens Axboe | d6aed79 | 2009-06-03 08:41:15 +0200 | [diff] [blame] | 1113 | if (!fio_file_open(io_u->file)) { |
Jens Axboe | 97af62c | 2007-05-22 11:12:13 +0200 | [diff] [blame] | 1114 | int r = td_io_open_file(td, io_u->file); |
| 1115 | |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 1116 | if (r) { |
| 1117 | dprint(FD_VERIFY, "failed file %s open\n", |
| 1118 | io_u->file->file_name); |
Jens Axboe | 97af62c | 2007-05-22 11:12:13 +0200 | [diff] [blame] | 1119 | return 1; |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 1120 | } |
Jens Axboe | 97af62c | 2007-05-22 11:12:13 +0200 | [diff] [blame] | 1121 | } |
| 1122 | |
| 1123 | get_file(ipo->file); |
Jens Axboe | d6aed79 | 2009-06-03 08:41:15 +0200 | [diff] [blame] | 1124 | assert(fio_file_open(io_u->file)); |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 1125 | io_u->ddir = DDIR_READ; |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 1126 | io_u->xfer_buf = io_u->buf; |
| 1127 | io_u->xfer_buflen = io_u->buflen; |
Jens Axboe | 0d29de8 | 2010-09-01 13:54:15 +0200 | [diff] [blame] | 1128 | |
| 1129 | remove_trim_entry(td, ipo); |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 1130 | free(ipo); |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 1131 | 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] | 1132 | |
| 1133 | if (!td->o.verify_pattern_bytes) { |
Jens Axboe | f678701 | 2014-11-05 18:39:23 -0700 | [diff] [blame] | 1134 | io_u->rand_seed = __rand(&td->verify_state); |
Puthikorn Voravootivat | c4b6117 | 2014-02-05 10:17:11 -0700 | [diff] [blame] | 1135 | if (sizeof(int) != sizeof(long *)) |
Jens Axboe | f678701 | 2014-11-05 18:39:23 -0700 | [diff] [blame] | 1136 | io_u->rand_seed *= __rand(&td->verify_state); |
Puthikorn Voravootivat | c4b6117 | 2014-02-05 10:17:11 -0700 | [diff] [blame] | 1137 | } |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 1138 | return 0; |
| 1139 | } |
| 1140 | |
Jens Axboe | f940128 | 2014-02-06 12:17:37 -0700 | [diff] [blame] | 1141 | nothing: |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 1142 | dprint(FD_VERIFY, "get_next_verify: empty\n"); |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 1143 | return 1; |
| 1144 | } |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 1145 | |
Jens Axboe | dc5bfbb | 2013-04-10 22:23:40 +0200 | [diff] [blame] | 1146 | void fio_verify_init(struct thread_data *td) |
| 1147 | { |
| 1148 | if (td->o.verify == VERIFY_CRC32C_INTEL || |
| 1149 | td->o.verify == VERIFY_CRC32C) { |
| 1150 | crc32c_intel_probe(); |
| 1151 | } |
| 1152 | } |
| 1153 | |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 1154 | static void *verify_async_thread(void *data) |
| 1155 | { |
| 1156 | struct thread_data *td = data; |
| 1157 | struct io_u *io_u; |
| 1158 | int ret = 0; |
| 1159 | |
Jens Axboe | 94b360f | 2014-12-09 13:17:33 -0700 | [diff] [blame] | 1160 | if (fio_option_is_set(&td->o, verify_cpumask) && |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 1161 | fio_setaffinity(td->pid, td->o.verify_cpumask)) { |
| 1162 | log_err("fio: failed setting verify thread affinity\n"); |
| 1163 | goto done; |
| 1164 | } |
| 1165 | |
| 1166 | do { |
Jens Axboe | e53ab27 | 2009-07-06 13:43:46 +0200 | [diff] [blame] | 1167 | FLIST_HEAD(list); |
| 1168 | |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 1169 | read_barrier(); |
| 1170 | if (td->verify_thread_exit) |
| 1171 | break; |
| 1172 | |
| 1173 | pthread_mutex_lock(&td->io_u_lock); |
| 1174 | |
| 1175 | while (flist_empty(&td->verify_list) && |
| 1176 | !td->verify_thread_exit) { |
Jens Axboe | b36e298 | 2009-07-06 14:12:52 +0200 | [diff] [blame] | 1177 | ret = pthread_cond_wait(&td->verify_cond, |
| 1178 | &td->io_u_lock); |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 1179 | if (ret) { |
| 1180 | pthread_mutex_unlock(&td->io_u_lock); |
| 1181 | break; |
| 1182 | } |
| 1183 | } |
| 1184 | |
Jens Axboe | e53ab27 | 2009-07-06 13:43:46 +0200 | [diff] [blame] | 1185 | flist_splice_init(&td->verify_list, &list); |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 1186 | pthread_mutex_unlock(&td->io_u_lock); |
| 1187 | |
Jens Axboe | e53ab27 | 2009-07-06 13:43:46 +0200 | [diff] [blame] | 1188 | if (flist_empty(&list)) |
| 1189 | continue; |
| 1190 | |
| 1191 | while (!flist_empty(&list)) { |
Jens Axboe | 12dbd06 | 2014-07-03 21:19:57 -0600 | [diff] [blame] | 1192 | io_u = flist_first_entry(&list, struct io_u, verify_list); |
Jens Axboe | e69fdf7 | 2014-07-23 16:11:43 +0200 | [diff] [blame] | 1193 | flist_del_init(&io_u->verify_list); |
Jens Axboe | e53ab27 | 2009-07-06 13:43:46 +0200 | [diff] [blame] | 1194 | |
Jens Axboe | e69fdf7 | 2014-07-23 16:11:43 +0200 | [diff] [blame] | 1195 | io_u->flags |= IO_U_F_NO_FILE_PUT; |
| 1196 | ret = verify_io_u(td, &io_u); |
| 1197 | |
Jens Axboe | e53ab27 | 2009-07-06 13:43:46 +0200 | [diff] [blame] | 1198 | put_io_u(td, io_u); |
Jens Axboe | d561f2a | 2009-07-06 13:51:05 +0200 | [diff] [blame] | 1199 | if (!ret) |
| 1200 | continue; |
Dmitry Monakhov | 8b28bd4 | 2012-09-23 15:46:09 +0400 | [diff] [blame] | 1201 | if (td_non_fatal_error(td, ERROR_TYPE_VERIFY_BIT, ret)) { |
Jens Axboe | d561f2a | 2009-07-06 13:51:05 +0200 | [diff] [blame] | 1202 | update_error_count(td, ret); |
| 1203 | td_clear_error(td); |
| 1204 | ret = 0; |
| 1205 | } |
Jens Axboe | e53ab27 | 2009-07-06 13:43:46 +0200 | [diff] [blame] | 1206 | } |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 1207 | } while (!ret); |
| 1208 | |
Jens Axboe | d561f2a | 2009-07-06 13:51:05 +0200 | [diff] [blame] | 1209 | if (ret) { |
| 1210 | td_verror(td, ret, "async_verify"); |
Jens Axboe | f3e6cb9 | 2010-06-18 14:48:43 +0200 | [diff] [blame] | 1211 | if (td->o.verify_fatal) |
Jens Axboe | 3b44e8b | 2014-07-09 11:24:12 +0200 | [diff] [blame] | 1212 | fio_mark_td_terminate(td); |
Jens Axboe | d561f2a | 2009-07-06 13:51:05 +0200 | [diff] [blame] | 1213 | } |
| 1214 | |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 1215 | done: |
| 1216 | pthread_mutex_lock(&td->io_u_lock); |
| 1217 | td->nr_verify_threads--; |
| 1218 | pthread_mutex_unlock(&td->io_u_lock); |
| 1219 | |
| 1220 | pthread_cond_signal(&td->free_cond); |
| 1221 | return NULL; |
| 1222 | } |
| 1223 | |
| 1224 | int verify_async_init(struct thread_data *td) |
| 1225 | { |
| 1226 | int i, ret; |
bart Van Assche | 304a47c | 2010-08-01 21:31:26 +0200 | [diff] [blame] | 1227 | pthread_attr_t attr; |
| 1228 | |
| 1229 | pthread_attr_init(&attr); |
| 1230 | pthread_attr_setstacksize(&attr, PTHREAD_STACK_MIN); |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 1231 | |
| 1232 | td->verify_thread_exit = 0; |
| 1233 | |
| 1234 | td->verify_threads = malloc(sizeof(pthread_t) * td->o.verify_async); |
| 1235 | for (i = 0; i < td->o.verify_async; i++) { |
bart Van Assche | 304a47c | 2010-08-01 21:31:26 +0200 | [diff] [blame] | 1236 | ret = pthread_create(&td->verify_threads[i], &attr, |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 1237 | verify_async_thread, td); |
| 1238 | if (ret) { |
| 1239 | log_err("fio: async verify creation failed: %s\n", |
| 1240 | strerror(ret)); |
| 1241 | break; |
| 1242 | } |
| 1243 | ret = pthread_detach(td->verify_threads[i]); |
| 1244 | if (ret) { |
| 1245 | log_err("fio: async verify thread detach failed: %s\n", |
| 1246 | strerror(ret)); |
| 1247 | break; |
| 1248 | } |
| 1249 | td->nr_verify_threads++; |
| 1250 | } |
| 1251 | |
bart Van Assche | 304a47c | 2010-08-01 21:31:26 +0200 | [diff] [blame] | 1252 | pthread_attr_destroy(&attr); |
| 1253 | |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 1254 | if (i != td->o.verify_async) { |
Jens Axboe | e40823b | 2009-07-06 14:28:21 +0200 | [diff] [blame] | 1255 | log_err("fio: only %d verify threads started, exiting\n", i); |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 1256 | td->verify_thread_exit = 1; |
| 1257 | write_barrier(); |
| 1258 | pthread_cond_broadcast(&td->verify_cond); |
| 1259 | return 1; |
| 1260 | } |
| 1261 | |
| 1262 | return 0; |
| 1263 | } |
| 1264 | |
| 1265 | void verify_async_exit(struct thread_data *td) |
| 1266 | { |
| 1267 | td->verify_thread_exit = 1; |
| 1268 | write_barrier(); |
| 1269 | pthread_cond_broadcast(&td->verify_cond); |
| 1270 | |
| 1271 | pthread_mutex_lock(&td->io_u_lock); |
| 1272 | |
| 1273 | while (td->nr_verify_threads) |
| 1274 | pthread_cond_wait(&td->free_cond, &td->io_u_lock); |
| 1275 | |
| 1276 | pthread_mutex_unlock(&td->io_u_lock); |
| 1277 | free(td->verify_threads); |
| 1278 | td->verify_threads = NULL; |
| 1279 | } |
Jens Axboe | de54cfd | 2014-11-10 20:34:00 -0700 | [diff] [blame] | 1280 | |
| 1281 | struct all_io_list *get_all_io_list(int save_mask, size_t *sz) |
| 1282 | { |
| 1283 | struct all_io_list *rep; |
| 1284 | struct thread_data *td; |
| 1285 | size_t depth; |
| 1286 | void *next; |
| 1287 | int i, nr; |
| 1288 | |
| 1289 | compiletime_assert(sizeof(struct all_io_list) == 8, "all_io_list"); |
| 1290 | |
| 1291 | /* |
| 1292 | * Calculate reply space needed. We need one 'io_state' per thread, |
| 1293 | * and the size will vary depending on depth. |
| 1294 | */ |
| 1295 | depth = 0; |
| 1296 | nr = 0; |
| 1297 | for_each_td(td, i) { |
| 1298 | if (save_mask != IO_LIST_ALL && (i + 1) != save_mask) |
| 1299 | continue; |
| 1300 | td->stop_io = 1; |
| 1301 | td->flags |= TD_F_VSTATE_SAVED; |
| 1302 | depth += td->o.iodepth; |
| 1303 | nr++; |
| 1304 | } |
| 1305 | |
| 1306 | if (!nr) |
| 1307 | return NULL; |
| 1308 | |
| 1309 | *sz = sizeof(*rep); |
| 1310 | *sz += nr * sizeof(struct thread_io_list); |
| 1311 | *sz += depth * sizeof(uint64_t); |
| 1312 | rep = malloc(*sz); |
| 1313 | |
| 1314 | rep->threads = cpu_to_le64((uint64_t) nr); |
| 1315 | |
| 1316 | next = &rep->state[0]; |
| 1317 | for_each_td(td, i) { |
| 1318 | struct thread_io_list *s = next; |
| 1319 | unsigned int comps; |
| 1320 | |
| 1321 | if (save_mask != IO_LIST_ALL && (i + 1) != save_mask) |
| 1322 | continue; |
| 1323 | |
| 1324 | if (td->last_write_comp) { |
| 1325 | int j, k; |
| 1326 | |
| 1327 | if (td->io_blocks[DDIR_WRITE] < td->o.iodepth) |
| 1328 | comps = td->io_blocks[DDIR_WRITE]; |
| 1329 | else |
| 1330 | comps = td->o.iodepth; |
| 1331 | |
| 1332 | k = td->last_write_idx - 1; |
| 1333 | for (j = 0; j < comps; j++) { |
| 1334 | if (k == -1) |
| 1335 | k = td->o.iodepth - 1; |
| 1336 | s->offsets[j] = cpu_to_le64(td->last_write_comp[k]); |
| 1337 | k--; |
| 1338 | } |
| 1339 | } else |
| 1340 | comps = 0; |
| 1341 | |
| 1342 | s->no_comps = cpu_to_le64((uint64_t) comps); |
| 1343 | s->depth = cpu_to_le64((uint64_t) td->o.iodepth); |
| 1344 | s->numberio = cpu_to_le64((uint64_t) td->io_issues[DDIR_WRITE]); |
| 1345 | s->index = cpu_to_le64((uint64_t) i); |
| 1346 | s->rand.s[0] = cpu_to_le32(td->random_state.s1); |
| 1347 | s->rand.s[1] = cpu_to_le32(td->random_state.s2); |
| 1348 | s->rand.s[2] = cpu_to_le32(td->random_state.s3); |
| 1349 | s->rand.s[3] = 0; |
Jens Axboe | 97c6334 | 2015-01-05 08:52:37 -0700 | [diff] [blame] | 1350 | s->name[sizeof(s->name) - 1] = '\0'; |
| 1351 | strncpy((char *) s->name, td->o.name, sizeof(s->name) - 1); |
Jens Axboe | de54cfd | 2014-11-10 20:34:00 -0700 | [diff] [blame] | 1352 | next = io_list_next(s); |
| 1353 | } |
| 1354 | |
| 1355 | return rep; |
| 1356 | } |
| 1357 | |
| 1358 | static int open_state_file(const char *name, const char *prefix, int num, |
| 1359 | int for_write) |
| 1360 | { |
| 1361 | char out[64]; |
| 1362 | int flags; |
| 1363 | int fd; |
| 1364 | |
| 1365 | if (for_write) |
| 1366 | flags = O_CREAT | O_TRUNC | O_WRONLY | O_SYNC; |
| 1367 | else |
| 1368 | flags = O_RDONLY; |
| 1369 | |
Jens Axboe | 3ebcfd5 | 2014-11-11 20:51:37 -0700 | [diff] [blame] | 1370 | verify_state_gen_name(out, sizeof(out), name, prefix, num); |
Jens Axboe | de54cfd | 2014-11-10 20:34:00 -0700 | [diff] [blame] | 1371 | |
| 1372 | fd = open(out, flags, 0644); |
| 1373 | if (fd == -1) { |
| 1374 | perror("fio: open state file"); |
| 1375 | return -1; |
| 1376 | } |
| 1377 | |
| 1378 | return fd; |
| 1379 | } |
| 1380 | |
| 1381 | static int write_thread_list_state(struct thread_io_list *s, |
| 1382 | const char *prefix) |
| 1383 | { |
| 1384 | struct verify_state_hdr hdr; |
| 1385 | uint64_t crc; |
| 1386 | ssize_t ret; |
| 1387 | int fd; |
| 1388 | |
| 1389 | fd = open_state_file((const char *) s->name, prefix, s->index, 1); |
| 1390 | if (fd == -1) |
| 1391 | return 1; |
| 1392 | |
| 1393 | crc = fio_crc32c((void *)s, thread_io_list_sz(s)); |
| 1394 | |
| 1395 | hdr.version = cpu_to_le64((uint64_t) VSTATE_HDR_VERSION); |
| 1396 | hdr.size = cpu_to_le64((uint64_t) thread_io_list_sz(s)); |
| 1397 | hdr.crc = cpu_to_le64(crc); |
| 1398 | ret = write(fd, &hdr, sizeof(hdr)); |
| 1399 | if (ret != sizeof(hdr)) |
| 1400 | goto write_fail; |
| 1401 | |
| 1402 | ret = write(fd, s, thread_io_list_sz(s)); |
| 1403 | if (ret != thread_io_list_sz(s)) { |
| 1404 | write_fail: |
| 1405 | if (ret < 0) |
| 1406 | perror("fio: write state file"); |
| 1407 | log_err("fio: failed to write state file\n"); |
| 1408 | ret = 1; |
| 1409 | } else |
| 1410 | ret = 0; |
| 1411 | |
| 1412 | close(fd); |
| 1413 | return ret; |
| 1414 | } |
| 1415 | |
| 1416 | void __verify_save_state(struct all_io_list *state, const char *prefix) |
| 1417 | { |
| 1418 | struct thread_io_list *s = &state->state[0]; |
| 1419 | unsigned int i; |
| 1420 | |
| 1421 | for (i = 0; i < le64_to_cpu(state->threads); i++) { |
| 1422 | write_thread_list_state(s, prefix); |
| 1423 | s = io_list_next(s); |
| 1424 | } |
| 1425 | } |
| 1426 | |
| 1427 | void verify_save_state(void) |
| 1428 | { |
| 1429 | struct all_io_list *state; |
| 1430 | size_t sz; |
| 1431 | |
| 1432 | state = get_all_io_list(IO_LIST_ALL, &sz); |
| 1433 | if (state) { |
| 1434 | __verify_save_state(state, "local"); |
| 1435 | free(state); |
| 1436 | } |
| 1437 | } |
| 1438 | |
| 1439 | void verify_free_state(struct thread_data *td) |
| 1440 | { |
| 1441 | if (td->vstate) |
| 1442 | free(td->vstate); |
| 1443 | } |
| 1444 | |
| 1445 | void verify_convert_assign_state(struct thread_data *td, |
| 1446 | struct thread_io_list *s) |
| 1447 | { |
| 1448 | int i; |
| 1449 | |
| 1450 | s->no_comps = le64_to_cpu(s->no_comps); |
| 1451 | s->depth = le64_to_cpu(s->depth); |
| 1452 | s->numberio = le64_to_cpu(s->numberio); |
| 1453 | for (i = 0; i < 4; i++) |
| 1454 | s->rand.s[i] = le32_to_cpu(s->rand.s[i]); |
| 1455 | for (i = 0; i < s->no_comps; i++) |
| 1456 | s->offsets[i] = le64_to_cpu(s->offsets[i]); |
| 1457 | |
| 1458 | td->vstate = s; |
| 1459 | } |
| 1460 | |
| 1461 | int verify_state_hdr(struct verify_state_hdr *hdr, struct thread_io_list *s) |
| 1462 | { |
| 1463 | uint64_t crc; |
| 1464 | |
| 1465 | hdr->version = le64_to_cpu(hdr->version); |
| 1466 | hdr->size = le64_to_cpu(hdr->size); |
| 1467 | hdr->crc = le64_to_cpu(hdr->crc); |
| 1468 | |
| 1469 | if (hdr->version != VSTATE_HDR_VERSION) |
| 1470 | return 1; |
| 1471 | |
| 1472 | crc = fio_crc32c((void *)s, hdr->size); |
| 1473 | if (crc != hdr->crc) |
| 1474 | return 1; |
| 1475 | |
| 1476 | return 0; |
| 1477 | } |
| 1478 | |
| 1479 | int verify_load_state(struct thread_data *td, const char *prefix) |
| 1480 | { |
| 1481 | struct thread_io_list *s = NULL; |
| 1482 | struct verify_state_hdr hdr; |
| 1483 | uint64_t crc; |
| 1484 | ssize_t ret; |
| 1485 | int fd; |
| 1486 | |
| 1487 | if (!td->o.verify_state) |
| 1488 | return 0; |
| 1489 | |
| 1490 | fd = open_state_file(td->o.name, prefix, td->thread_number - 1, 0); |
| 1491 | if (fd == -1) |
| 1492 | return 1; |
| 1493 | |
| 1494 | ret = read(fd, &hdr, sizeof(hdr)); |
| 1495 | if (ret != sizeof(hdr)) { |
| 1496 | if (ret < 0) |
| 1497 | td_verror(td, errno, "read verify state hdr"); |
| 1498 | log_err("fio: failed reading verify state header\n"); |
| 1499 | goto err; |
| 1500 | } |
| 1501 | |
| 1502 | hdr.version = le64_to_cpu(hdr.version); |
| 1503 | hdr.size = le64_to_cpu(hdr.size); |
| 1504 | hdr.crc = le64_to_cpu(hdr.crc); |
| 1505 | |
| 1506 | if (hdr.version != VSTATE_HDR_VERSION) { |
| 1507 | log_err("fio: bad version in verify state header\n"); |
| 1508 | goto err; |
| 1509 | } |
| 1510 | |
| 1511 | s = malloc(hdr.size); |
| 1512 | ret = read(fd, s, hdr.size); |
| 1513 | if (ret != hdr.size) { |
| 1514 | if (ret < 0) |
| 1515 | td_verror(td, errno, "read verify state"); |
| 1516 | log_err("fio: failed reading verity state\n"); |
| 1517 | goto err; |
| 1518 | } |
| 1519 | |
| 1520 | crc = fio_crc32c((void *)s, hdr.size); |
| 1521 | if (crc != hdr.crc) { |
| 1522 | log_err("fio: verify state is corrupt\n"); |
| 1523 | goto err; |
| 1524 | } |
| 1525 | |
| 1526 | close(fd); |
| 1527 | |
| 1528 | verify_convert_assign_state(td, s); |
| 1529 | return 0; |
| 1530 | err: |
| 1531 | if (s) |
| 1532 | free(s); |
| 1533 | close(fd); |
| 1534 | return 1; |
| 1535 | } |
| 1536 | |
| 1537 | /* |
| 1538 | * Use the loaded verify state to know when to stop doing verification |
| 1539 | */ |
| 1540 | int verify_state_should_stop(struct thread_data *td, struct io_u *io_u) |
| 1541 | { |
| 1542 | struct thread_io_list *s = td->vstate; |
| 1543 | int i; |
| 1544 | |
| 1545 | if (!s) |
| 1546 | return 0; |
| 1547 | |
| 1548 | /* |
Jens Axboe | d1a44b2 | 2015-01-16 10:25:05 -0700 | [diff] [blame] | 1549 | * If we're not into the window of issues - depth yet, continue. If |
| 1550 | * issue is shorter than depth, do check. |
Jens Axboe | de54cfd | 2014-11-10 20:34:00 -0700 | [diff] [blame] | 1551 | */ |
Jens Axboe | d1a44b2 | 2015-01-16 10:25:05 -0700 | [diff] [blame] | 1552 | if ((td->io_blocks[DDIR_READ] < s->depth || |
| 1553 | s->numberio - td->io_blocks[DDIR_READ] > s->depth) && |
| 1554 | s->numberio > s->depth) |
Jens Axboe | de54cfd | 2014-11-10 20:34:00 -0700 | [diff] [blame] | 1555 | return 0; |
| 1556 | |
| 1557 | /* |
| 1558 | * We're in the window of having to check if this io was |
| 1559 | * completed or not. If the IO was seen as completed, then |
| 1560 | * lets verify it. |
| 1561 | */ |
| 1562 | for (i = 0; i < s->no_comps; i++) |
| 1563 | if (io_u->offset == s->offsets[i]) |
| 1564 | return 0; |
| 1565 | |
| 1566 | /* |
| 1567 | * Not found, we have to stop |
| 1568 | */ |
| 1569 | return 1; |
| 1570 | } |