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 | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 26 | |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 27 | static void populate_hdr(struct thread_data *td, struct io_u *io_u, |
| 28 | struct verify_header *hdr, unsigned int header_num, |
| 29 | unsigned int header_len); |
| 30 | |
Jens Axboe | ce35b1e | 2014-01-14 15:35:58 -0700 | [diff] [blame] | 31 | static void fill_pattern(struct thread_data *td, void *p, unsigned int len, |
| 32 | char *pattern, unsigned int pattern_bytes) |
Jens Axboe | 90059d6 | 2007-07-30 09:33:12 +0200 | [diff] [blame] | 33 | { |
Jens Axboe | ce35b1e | 2014-01-14 15:35:58 -0700 | [diff] [blame] | 34 | switch (pattern_bytes) { |
Jens Axboe | 90059d6 | 2007-07-30 09:33:12 +0200 | [diff] [blame] | 35 | case 0: |
Jens Axboe | ce35b1e | 2014-01-14 15:35:58 -0700 | [diff] [blame] | 36 | assert(0); |
Jens Axboe | 90059d6 | 2007-07-30 09:33:12 +0200 | [diff] [blame] | 37 | break; |
| 38 | case 1: |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 39 | dprint(FD_VERIFY, "fill verify pattern b=0 len=%u\n", len); |
Jens Axboe | ce35b1e | 2014-01-14 15:35:58 -0700 | [diff] [blame] | 40 | memset(p, pattern[0], len); |
Jens Axboe | 90059d6 | 2007-07-30 09:33:12 +0200 | [diff] [blame] | 41 | break; |
Radha Ramachandran | 0e92f87 | 2009-10-27 20:14:27 +0100 | [diff] [blame] | 42 | default: { |
| 43 | unsigned int i = 0, size = 0; |
Jens Axboe | 90059d6 | 2007-07-30 09:33:12 +0200 | [diff] [blame] | 44 | unsigned char *b = p; |
| 45 | |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 46 | dprint(FD_VERIFY, "fill verify pattern b=%d len=%u\n", |
Jens Axboe | ce35b1e | 2014-01-14 15:35:58 -0700 | [diff] [blame] | 47 | pattern_bytes, len); |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 48 | |
Jens Axboe | 90059d6 | 2007-07-30 09:33:12 +0200 | [diff] [blame] | 49 | while (i < len) { |
Jens Axboe | ce35b1e | 2014-01-14 15:35:58 -0700 | [diff] [blame] | 50 | size = pattern_bytes; |
Radha Ramachandran | 0e92f87 | 2009-10-27 20:14:27 +0100 | [diff] [blame] | 51 | if (size > (len - i)) |
| 52 | size = len - i; |
Jens Axboe | ce35b1e | 2014-01-14 15:35:58 -0700 | [diff] [blame] | 53 | memcpy(b+i, pattern, size); |
Radha Ramachandran | 0e92f87 | 2009-10-27 20:14:27 +0100 | [diff] [blame] | 54 | i += size; |
Jens Axboe | 90059d6 | 2007-07-30 09:33:12 +0200 | [diff] [blame] | 55 | } |
| 56 | break; |
| 57 | } |
| 58 | } |
| 59 | } |
| 60 | |
Jens Axboe | ce35b1e | 2014-01-14 15:35:58 -0700 | [diff] [blame] | 61 | void fill_buffer_pattern(struct thread_data *td, void *p, unsigned int len) |
| 62 | { |
| 63 | fill_pattern(td, p, len, td->o.buffer_pattern, td->o.buffer_pattern_bytes); |
| 64 | } |
| 65 | |
| 66 | void fill_verify_pattern(struct thread_data *td, void *p, unsigned int len, |
| 67 | struct io_u *io_u, unsigned long seed, int use_seed) |
| 68 | { |
| 69 | if (!td->o.verify_pattern_bytes) { |
| 70 | dprint(FD_VERIFY, "fill random bytes len=%u\n", len); |
| 71 | |
| 72 | if (use_seed) |
| 73 | __fill_random_buf(p, len, seed); |
| 74 | else |
Puthikorn Voravootivat | c4b6117 | 2014-02-05 10:17:11 -0700 | [diff] [blame] | 75 | io_u->rand_seed = fill_random_buf(&td->__verify_state, p, len); |
Jens Axboe | ce35b1e | 2014-01-14 15:35:58 -0700 | [diff] [blame] | 76 | return; |
| 77 | } |
Puthikorn Voravootivat | c4b6117 | 2014-02-05 10:17:11 -0700 | [diff] [blame] | 78 | |
Jens Axboe | ce35b1e | 2014-01-14 15:35:58 -0700 | [diff] [blame] | 79 | if (io_u->buf_filled_len >= len) { |
| 80 | dprint(FD_VERIFY, "using already filled verify pattern b=%d len=%u\n", |
| 81 | td->o.verify_pattern_bytes, len); |
| 82 | return; |
| 83 | } |
| 84 | |
| 85 | fill_pattern(td, p, len, td->o.verify_pattern, td->o.verify_pattern_bytes); |
| 86 | |
| 87 | io_u->buf_filled_len = len; |
| 88 | } |
| 89 | |
Jens Axboe | cfbcd0d | 2011-01-14 14:49:20 +0100 | [diff] [blame] | 90 | static unsigned int get_hdr_inc(struct thread_data *td, struct io_u *io_u) |
| 91 | { |
| 92 | unsigned int hdr_inc; |
| 93 | |
| 94 | hdr_inc = io_u->buflen; |
Jens Axboe | 8a99fdf | 2012-03-06 19:24:49 +0100 | [diff] [blame] | 95 | if (td->o.verify_interval && td->o.verify_interval <= io_u->buflen) |
Jens Axboe | cfbcd0d | 2011-01-14 14:49:20 +0100 | [diff] [blame] | 96 | hdr_inc = td->o.verify_interval; |
| 97 | |
| 98 | return hdr_inc; |
| 99 | } |
| 100 | |
Jens Axboe | c50ca7b | 2011-01-12 08:31:54 +0100 | [diff] [blame] | 101 | static void fill_pattern_headers(struct thread_data *td, struct io_u *io_u, |
| 102 | unsigned long seed, int use_seed) |
| 103 | { |
| 104 | unsigned int hdr_inc, header_num; |
| 105 | struct verify_header *hdr; |
| 106 | void *p = io_u->buf; |
| 107 | |
Jens Axboe | ce35b1e | 2014-01-14 15:35:58 -0700 | [diff] [blame] | 108 | 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] | 109 | |
Jens Axboe | cfbcd0d | 2011-01-14 14:49:20 +0100 | [diff] [blame] | 110 | hdr_inc = get_hdr_inc(td, io_u); |
Jens Axboe | c50ca7b | 2011-01-12 08:31:54 +0100 | [diff] [blame] | 111 | header_num = 0; |
| 112 | for (; p < io_u->buf + io_u->buflen; p += hdr_inc) { |
| 113 | hdr = p; |
| 114 | populate_hdr(td, io_u, hdr, header_num, hdr_inc); |
| 115 | header_num++; |
| 116 | } |
| 117 | } |
| 118 | |
Jens Axboe | 4764aec | 2007-08-23 09:03:38 +0200 | [diff] [blame] | 119 | static void memswp(void *buf1, void *buf2, unsigned int len) |
Shawn Lewis | 546a914 | 2007-07-28 21:11:37 +0200 | [diff] [blame] | 120 | { |
Shawn Lewis | dee6de7 | 2007-08-02 22:17:52 +0200 | [diff] [blame] | 121 | char swap[200]; |
| 122 | |
| 123 | assert(len <= sizeof(swap)); |
Jens Axboe | 90059d6 | 2007-07-30 09:33:12 +0200 | [diff] [blame] | 124 | |
Shawn Lewis | 546a914 | 2007-07-28 21:11:37 +0200 | [diff] [blame] | 125 | memcpy(&swap, buf1, len); |
| 126 | memcpy(buf1, buf2, len); |
| 127 | memcpy(buf2, &swap, len); |
| 128 | } |
| 129 | |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 130 | static void hexdump(void *buffer, int len) |
| 131 | { |
| 132 | unsigned char *p = buffer; |
| 133 | int i; |
| 134 | |
| 135 | for (i = 0; i < len; i++) |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 136 | log_err("%02x", p[i]); |
| 137 | log_err("\n"); |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 138 | } |
| 139 | |
Jens Axboe | d9f2caf | 2007-07-28 21:22:03 +0200 | [diff] [blame] | 140 | /* |
Anatol Pomozov | de8f6de | 2013-09-26 16:31:34 -0700 | [diff] [blame] | 141 | * Prepare for separation of verify_header and checksum header |
Jens Axboe | 8767783 | 2007-07-30 12:08:14 +0200 | [diff] [blame] | 142 | */ |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 143 | static inline unsigned int __hdr_size(int verify_type) |
Jens Axboe | 8767783 | 2007-07-30 12:08:14 +0200 | [diff] [blame] | 144 | { |
Bruce Cran | 03e20d6 | 2011-01-02 20:14:54 +0100 | [diff] [blame] | 145 | unsigned int len = 0; |
Jens Axboe | 8767783 | 2007-07-30 12:08:14 +0200 | [diff] [blame] | 146 | |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 147 | switch (verify_type) { |
| 148 | case VERIFY_NONE: |
| 149 | case VERIFY_NULL: |
| 150 | len = 0; |
| 151 | break; |
| 152 | case VERIFY_MD5: |
| 153 | len = sizeof(struct vhdr_md5); |
| 154 | break; |
| 155 | case VERIFY_CRC64: |
| 156 | len = sizeof(struct vhdr_crc64); |
| 157 | break; |
Jens Axboe | bac39e0 | 2008-06-11 20:46:19 +0200 | [diff] [blame] | 158 | case VERIFY_CRC32C: |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 159 | case VERIFY_CRC32: |
Jens Axboe | 3845591 | 2008-08-04 15:35:26 +0200 | [diff] [blame] | 160 | case VERIFY_CRC32C_INTEL: |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 161 | len = sizeof(struct vhdr_crc32); |
| 162 | break; |
| 163 | case VERIFY_CRC16: |
| 164 | len = sizeof(struct vhdr_crc16); |
| 165 | break; |
| 166 | case VERIFY_CRC7: |
| 167 | len = sizeof(struct vhdr_crc7); |
| 168 | break; |
| 169 | case VERIFY_SHA256: |
| 170 | len = sizeof(struct vhdr_sha256); |
| 171 | break; |
| 172 | case VERIFY_SHA512: |
| 173 | len = sizeof(struct vhdr_sha512); |
| 174 | break; |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 175 | case VERIFY_META: |
| 176 | len = sizeof(struct vhdr_meta); |
| 177 | break; |
Jens Axboe | 7c353ce | 2009-08-09 22:40:33 +0200 | [diff] [blame] | 178 | case VERIFY_SHA1: |
| 179 | len = sizeof(struct vhdr_sha1); |
| 180 | break; |
Jens Axboe | 92bf48d | 2011-01-14 21:20:42 +0100 | [diff] [blame] | 181 | case VERIFY_PATTERN: |
| 182 | len = 0; |
| 183 | break; |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 184 | default: |
| 185 | log_err("fio: unknown verify header!\n"); |
| 186 | assert(0); |
| 187 | } |
| 188 | |
| 189 | return len + sizeof(struct verify_header); |
Jens Axboe | 8767783 | 2007-07-30 12:08:14 +0200 | [diff] [blame] | 190 | } |
| 191 | |
| 192 | static inline unsigned int hdr_size(struct verify_header *hdr) |
| 193 | { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 194 | return __hdr_size(hdr->verify_type); |
| 195 | } |
| 196 | |
| 197 | static void *hdr_priv(struct verify_header *hdr) |
| 198 | { |
| 199 | void *priv = hdr; |
| 200 | |
| 201 | return priv + sizeof(struct verify_header); |
Jens Axboe | 8767783 | 2007-07-30 12:08:14 +0200 | [diff] [blame] | 202 | } |
| 203 | |
| 204 | /* |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 205 | * Verify container, pass info to verify handlers and allow them to |
| 206 | * pass info back in case of error |
| 207 | */ |
| 208 | struct vcont { |
| 209 | /* |
| 210 | * Input |
| 211 | */ |
| 212 | struct io_u *io_u; |
| 213 | unsigned int hdr_num; |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 214 | struct thread_data *td; |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 215 | |
| 216 | /* |
| 217 | * Output, only valid in case of error |
| 218 | */ |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 219 | const char *name; |
| 220 | void *good_crc; |
| 221 | void *bad_crc; |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 222 | unsigned int crc_len; |
| 223 | }; |
| 224 | |
Jens Axboe | c50ca7b | 2011-01-12 08:31:54 +0100 | [diff] [blame] | 225 | static void dump_buf(char *buf, unsigned int len, unsigned long long offset, |
| 226 | const char *type, struct fio_file *f) |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 227 | { |
Jens Axboe | 6f260b3 | 2011-01-13 18:57:54 +0100 | [diff] [blame] | 228 | char *ptr, fname[256]; |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 229 | int ret, fd; |
| 230 | |
Jens Axboe | 6f260b3 | 2011-01-13 18:57:54 +0100 | [diff] [blame] | 231 | ptr = strdup(f->file_name); |
| 232 | strcpy(fname, basename(ptr)); |
Jens Axboe | c50ca7b | 2011-01-12 08:31:54 +0100 | [diff] [blame] | 233 | |
| 234 | sprintf(fname + strlen(fname), ".%llu.%s", offset, type); |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 235 | |
| 236 | fd = open(fname, O_CREAT | O_TRUNC | O_WRONLY, 0644); |
| 237 | if (fd < 0) { |
| 238 | perror("open verify buf file"); |
| 239 | return; |
| 240 | } |
| 241 | |
| 242 | while (len) { |
| 243 | ret = write(fd, buf, len); |
| 244 | if (!ret) |
| 245 | break; |
| 246 | else if (ret < 0) { |
| 247 | perror("write verify buf file"); |
| 248 | break; |
| 249 | } |
| 250 | len -= ret; |
| 251 | buf += ret; |
| 252 | } |
| 253 | |
| 254 | close(fd); |
Jens Axboe | c50ca7b | 2011-01-12 08:31:54 +0100 | [diff] [blame] | 255 | log_err(" %s data dumped as %s\n", type, fname); |
Jens Axboe | 6f260b3 | 2011-01-13 18:57:54 +0100 | [diff] [blame] | 256 | free(ptr); |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 257 | } |
| 258 | |
Jens Axboe | c50ca7b | 2011-01-12 08:31:54 +0100 | [diff] [blame] | 259 | /* |
| 260 | * Dump the contents of the read block and re-generate the correct data |
| 261 | * and dump that too. |
| 262 | */ |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 263 | static void dump_verify_buffers(struct verify_header *hdr, struct vcont *vc) |
| 264 | { |
| 265 | struct thread_data *td = vc->td; |
| 266 | struct io_u *io_u = vc->io_u; |
| 267 | unsigned long hdr_offset; |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 268 | struct io_u dummy; |
Jens Axboe | c50ca7b | 2011-01-12 08:31:54 +0100 | [diff] [blame] | 269 | void *buf; |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 270 | |
Steven Lang | 0dce9bc | 2011-10-25 22:41:05 +0200 | [diff] [blame] | 271 | if (!td->o.verify_dump) |
| 272 | return; |
| 273 | |
Jens Axboe | c50ca7b | 2011-01-12 08:31:54 +0100 | [diff] [blame] | 274 | /* |
| 275 | * Dump the contents we just read off disk |
| 276 | */ |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 277 | hdr_offset = vc->hdr_num * hdr->len; |
| 278 | |
Jens Axboe | c50ca7b | 2011-01-12 08:31:54 +0100 | [diff] [blame] | 279 | dump_buf(io_u->buf + hdr_offset, hdr->len, io_u->offset + hdr_offset, |
| 280 | "received", vc->io_u->file); |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 281 | |
Jens Axboe | c50ca7b | 2011-01-12 08:31:54 +0100 | [diff] [blame] | 282 | /* |
| 283 | * Allocate a new buf and re-generate the original data |
| 284 | */ |
| 285 | buf = malloc(io_u->buflen); |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 286 | dummy = *io_u; |
Jens Axboe | c50ca7b | 2011-01-12 08:31:54 +0100 | [diff] [blame] | 287 | dummy.buf = buf; |
Jens Axboe | 4aae38a | 2011-01-12 08:59:12 +0100 | [diff] [blame] | 288 | dummy.rand_seed = hdr->rand_seed; |
Jens Axboe | cfbcd0d | 2011-01-14 14:49:20 +0100 | [diff] [blame] | 289 | dummy.buf_filled_len = 0; |
Josef Bacik | 0d81daf | 2013-07-08 20:35:01 -0400 | [diff] [blame] | 290 | dummy.buflen = io_u->buflen; |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 291 | |
Jens Axboe | c50ca7b | 2011-01-12 08:31:54 +0100 | [diff] [blame] | 292 | fill_pattern_headers(td, &dummy, hdr->rand_seed, 1); |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 293 | |
Jens Axboe | c50ca7b | 2011-01-12 08:31:54 +0100 | [diff] [blame] | 294 | dump_buf(buf + hdr_offset, hdr->len, io_u->offset + hdr_offset, |
| 295 | "expected", vc->io_u->file); |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 296 | free(buf); |
| 297 | } |
| 298 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 299 | static void log_verify_failure(struct verify_header *hdr, struct vcont *vc) |
| 300 | { |
| 301 | unsigned long long offset; |
| 302 | |
| 303 | offset = vc->io_u->offset; |
| 304 | offset += vc->hdr_num * hdr->len; |
Jens Axboe | 32c17ad | 2010-06-18 14:32:21 +0200 | [diff] [blame] | 305 | log_err("%.8s: verify failed at file %s offset %llu, length %u\n", |
| 306 | vc->name, vc->io_u->file->file_name, offset, hdr->len); |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 307 | |
| 308 | if (vc->good_crc && vc->bad_crc) { |
| 309 | log_err(" Expected CRC: "); |
| 310 | hexdump(vc->good_crc, vc->crc_len); |
| 311 | log_err(" Received CRC: "); |
| 312 | hexdump(vc->bad_crc, vc->crc_len); |
| 313 | } |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 314 | |
| 315 | dump_verify_buffers(hdr, vc); |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 316 | } |
| 317 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 318 | /* |
Jens Axboe | d9f2caf | 2007-07-28 21:22:03 +0200 | [diff] [blame] | 319 | * Return data area 'header_num' |
| 320 | */ |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 321 | 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] | 322 | { |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 323 | 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] | 324 | } |
| 325 | |
Jens Axboe | 92bf48d | 2011-01-14 21:20:42 +0100 | [diff] [blame] | 326 | static int verify_io_u_pattern(struct verify_header *hdr, struct vcont *vc) |
| 327 | { |
| 328 | struct thread_data *td = vc->td; |
| 329 | struct io_u *io_u = vc->io_u; |
| 330 | char *buf, *pattern; |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 331 | unsigned int header_size = __hdr_size(td->o.verify); |
Steven Lang | 9a2a86d | 2012-02-07 09:42:59 +0100 | [diff] [blame] | 332 | unsigned int len, mod, i, size, pattern_size; |
Jens Axboe | 92bf48d | 2011-01-14 21:20:42 +0100 | [diff] [blame] | 333 | |
| 334 | pattern = td->o.verify_pattern; |
Steven Lang | 9a2a86d | 2012-02-07 09:42:59 +0100 | [diff] [blame] | 335 | pattern_size = td->o.verify_pattern_bytes; |
| 336 | if (pattern_size <= 1) |
| 337 | pattern_size = MAX_PATTERN_SIZE; |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 338 | buf = (void *) hdr + header_size; |
| 339 | len = get_hdr_inc(td, io_u) - header_size; |
Steven Lang | 9a2a86d | 2012-02-07 09:42:59 +0100 | [diff] [blame] | 340 | mod = header_size % pattern_size; |
Jens Axboe | 92bf48d | 2011-01-14 21:20:42 +0100 | [diff] [blame] | 341 | |
Steven Lang | 9a2a86d | 2012-02-07 09:42:59 +0100 | [diff] [blame] | 342 | for (i = 0; i < len; i += size) { |
| 343 | size = pattern_size - mod; |
| 344 | if (size > (len - i)) |
| 345 | size = len - i; |
| 346 | if (memcmp(buf + i, pattern + mod, size)) |
Jens Axboe | e4ad68b | 2012-02-23 08:35:04 +0100 | [diff] [blame] | 347 | /* Let the slow compare find the first mismatch byte. */ |
Steven Lang | 9a2a86d | 2012-02-07 09:42:59 +0100 | [diff] [blame] | 348 | break; |
| 349 | mod = 0; |
| 350 | } |
| 351 | |
| 352 | for (; i < len; i++) { |
Jens Axboe | 92bf48d | 2011-01-14 21:20:42 +0100 | [diff] [blame] | 353 | if (buf[i] != pattern[mod]) { |
| 354 | unsigned int bits; |
| 355 | |
| 356 | bits = hweight8(buf[i] ^ pattern[mod]); |
| 357 | log_err("fio: got pattern %x, wanted %x. Bad bits %d\n", |
| 358 | buf[i], pattern[mod], bits); |
| 359 | log_err("fio: bad pattern block offset %u\n", i); |
| 360 | dump_verify_buffers(hdr, vc); |
| 361 | return EILSEQ; |
| 362 | } |
| 363 | mod++; |
| 364 | if (mod == td->o.verify_pattern_bytes) |
| 365 | mod = 0; |
| 366 | } |
| 367 | |
| 368 | return 0; |
| 369 | } |
| 370 | |
| 371 | static int verify_io_u_meta(struct verify_header *hdr, struct vcont *vc) |
| 372 | { |
| 373 | struct thread_data *td = vc->td; |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 374 | struct vhdr_meta *vh = hdr_priv(hdr); |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 375 | struct io_u *io_u = vc->io_u; |
Jens Axboe | 92bf48d | 2011-01-14 21:20:42 +0100 | [diff] [blame] | 376 | int ret = EILSEQ; |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 377 | |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 378 | dprint(FD_VERIFY, "meta verify io_u %p, len %u\n", io_u, hdr->len); |
| 379 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 380 | 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] | 381 | ret = 0; |
| 382 | |
| 383 | if (td->o.verify_pattern_bytes) |
| 384 | ret |= verify_io_u_pattern(hdr, vc); |
| 385 | |
Juan Casse | da0a7bd | 2013-09-17 14:06:12 -0700 | [diff] [blame] | 386 | /* |
| 387 | * For read-only workloads, the program cannot be certain of the |
| 388 | * last numberio written to a block. Checking of numberio will be done |
| 389 | * only for workloads that write data. |
Juan Casse | 6216776 | 2013-09-17 14:06:13 -0700 | [diff] [blame] | 390 | * For verify_only, numberio will be checked in the last iteration when |
| 391 | * the correct state of numberio, that would have been written to each |
| 392 | * block in a previous run of fio, has been reached. |
Juan Casse | da0a7bd | 2013-09-17 14:06:12 -0700 | [diff] [blame] | 393 | */ |
| 394 | if (td_write(td) || td_rw(td)) |
Juan Casse | 6216776 | 2013-09-17 14:06:13 -0700 | [diff] [blame] | 395 | if (!td->o.verify_only || td->o.loops == 0) |
| 396 | if (vh->numberio != io_u->numberio) |
| 397 | ret = EILSEQ; |
Juan Casse | da0a7bd | 2013-09-17 14:06:12 -0700 | [diff] [blame] | 398 | |
Jens Axboe | 92bf48d | 2011-01-14 21:20:42 +0100 | [diff] [blame] | 399 | if (!ret) |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 400 | return 0; |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 401 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 402 | vc->name = "meta"; |
| 403 | log_verify_failure(hdr, vc); |
Jens Axboe | 92bf48d | 2011-01-14 21:20:42 +0100 | [diff] [blame] | 404 | return ret; |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 405 | } |
| 406 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 407 | 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] | 408 | { |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 409 | void *p = io_u_verify_off(hdr, vc); |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 410 | struct vhdr_sha512 *vh = hdr_priv(hdr); |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 411 | uint8_t sha512[128]; |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 412 | struct fio_sha512_ctx sha512_ctx = { |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 413 | .buf = sha512, |
| 414 | }; |
| 415 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 416 | 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] | 417 | |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 418 | fio_sha512_init(&sha512_ctx); |
| 419 | fio_sha512_update(&sha512_ctx, p, hdr->len - hdr_size(hdr)); |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 420 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 421 | if (!memcmp(vh->sha512, sha512_ctx.buf, sizeof(sha512))) |
| 422 | return 0; |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 423 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 424 | vc->name = "sha512"; |
| 425 | vc->good_crc = vh->sha512; |
| 426 | vc->bad_crc = sha512_ctx.buf; |
| 427 | vc->crc_len = sizeof(vh->sha512); |
| 428 | log_verify_failure(hdr, vc); |
| 429 | return EILSEQ; |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 430 | } |
| 431 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 432 | 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] | 433 | { |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 434 | void *p = io_u_verify_off(hdr, vc); |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 435 | struct vhdr_sha256 *vh = hdr_priv(hdr); |
Jens Axboe | bc77f56 | 2010-02-23 10:36:21 +0100 | [diff] [blame] | 436 | uint8_t sha256[64]; |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 437 | struct fio_sha256_ctx sha256_ctx = { |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 438 | .buf = sha256, |
| 439 | }; |
| 440 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 441 | 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] | 442 | |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 443 | fio_sha256_init(&sha256_ctx); |
| 444 | fio_sha256_update(&sha256_ctx, p, hdr->len - hdr_size(hdr)); |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 445 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 446 | if (!memcmp(vh->sha256, sha256_ctx.buf, sizeof(sha256))) |
| 447 | return 0; |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 448 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 449 | vc->name = "sha256"; |
| 450 | vc->good_crc = vh->sha256; |
| 451 | vc->bad_crc = sha256_ctx.buf; |
| 452 | vc->crc_len = sizeof(vh->sha256); |
| 453 | log_verify_failure(hdr, vc); |
| 454 | return EILSEQ; |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 455 | } |
| 456 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 457 | 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] | 458 | { |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 459 | void *p = io_u_verify_off(hdr, vc); |
Jens Axboe | 7c353ce | 2009-08-09 22:40:33 +0200 | [diff] [blame] | 460 | struct vhdr_sha1 *vh = hdr_priv(hdr); |
| 461 | uint32_t sha1[5]; |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 462 | struct fio_sha1_ctx sha1_ctx = { |
Jens Axboe | 7c353ce | 2009-08-09 22:40:33 +0200 | [diff] [blame] | 463 | .H = sha1, |
| 464 | }; |
| 465 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 466 | 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] | 467 | |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 468 | fio_sha1_init(&sha1_ctx); |
| 469 | fio_sha1_update(&sha1_ctx, p, hdr->len - hdr_size(hdr)); |
Jens Axboe | 7c353ce | 2009-08-09 22:40:33 +0200 | [diff] [blame] | 470 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 471 | if (!memcmp(vh->sha1, sha1_ctx.H, sizeof(sha1))) |
| 472 | return 0; |
Jens Axboe | 7c353ce | 2009-08-09 22:40:33 +0200 | [diff] [blame] | 473 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 474 | vc->name = "sha1"; |
| 475 | vc->good_crc = vh->sha1; |
| 476 | vc->bad_crc = sha1_ctx.H; |
| 477 | vc->crc_len = sizeof(vh->sha1); |
| 478 | log_verify_failure(hdr, vc); |
| 479 | return EILSEQ; |
Jens Axboe | 7c353ce | 2009-08-09 22:40:33 +0200 | [diff] [blame] | 480 | } |
| 481 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 482 | 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] | 483 | { |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 484 | void *p = io_u_verify_off(hdr, vc); |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 485 | struct vhdr_crc7 *vh = hdr_priv(hdr); |
Jens Axboe | 1e154bd | 2007-07-27 09:52:40 +0200 | [diff] [blame] | 486 | unsigned char c; |
| 487 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 488 | 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] | 489 | |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 490 | c = fio_crc7(p, hdr->len - hdr_size(hdr)); |
Jens Axboe | 1e154bd | 2007-07-27 09:52:40 +0200 | [diff] [blame] | 491 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 492 | if (c == vh->crc7) |
| 493 | return 0; |
Jens Axboe | 1e154bd | 2007-07-27 09:52:40 +0200 | [diff] [blame] | 494 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 495 | vc->name = "crc7"; |
| 496 | vc->good_crc = &vh->crc7; |
| 497 | vc->bad_crc = &c; |
| 498 | vc->crc_len = 1; |
| 499 | log_verify_failure(hdr, vc); |
| 500 | return EILSEQ; |
Jens Axboe | 1e154bd | 2007-07-27 09:52:40 +0200 | [diff] [blame] | 501 | } |
| 502 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 503 | 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] | 504 | { |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 505 | void *p = io_u_verify_off(hdr, vc); |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 506 | struct vhdr_crc16 *vh = hdr_priv(hdr); |
Jens Axboe | 969f7ed | 2007-07-27 09:07:17 +0200 | [diff] [blame] | 507 | unsigned short c; |
| 508 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 509 | 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] | 510 | |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 511 | c = fio_crc16(p, hdr->len - hdr_size(hdr)); |
Jens Axboe | 969f7ed | 2007-07-27 09:07:17 +0200 | [diff] [blame] | 512 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 513 | if (c == vh->crc16) |
| 514 | return 0; |
Jens Axboe | 969f7ed | 2007-07-27 09:07:17 +0200 | [diff] [blame] | 515 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 516 | vc->name = "crc16"; |
| 517 | vc->good_crc = &vh->crc16; |
| 518 | vc->bad_crc = &c; |
| 519 | vc->crc_len = 2; |
| 520 | log_verify_failure(hdr, vc); |
| 521 | return EILSEQ; |
Jens Axboe | 969f7ed | 2007-07-27 09:07:17 +0200 | [diff] [blame] | 522 | } |
| 523 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 524 | 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] | 525 | { |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 526 | void *p = io_u_verify_off(hdr, vc); |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 527 | struct vhdr_crc64 *vh = hdr_priv(hdr); |
Jens Axboe | d77a7af | 2007-07-27 15:35:06 +0200 | [diff] [blame] | 528 | unsigned long long c; |
| 529 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 530 | 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] | 531 | |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 532 | c = fio_crc64(p, hdr->len - hdr_size(hdr)); |
Jens Axboe | d77a7af | 2007-07-27 15:35:06 +0200 | [diff] [blame] | 533 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 534 | if (c == vh->crc64) |
| 535 | return 0; |
Jens Axboe | d77a7af | 2007-07-27 15:35:06 +0200 | [diff] [blame] | 536 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 537 | vc->name = "crc64"; |
| 538 | vc->good_crc = &vh->crc64; |
| 539 | vc->bad_crc = &c; |
| 540 | vc->crc_len = 8; |
| 541 | log_verify_failure(hdr, vc); |
| 542 | return EILSEQ; |
Jens Axboe | d77a7af | 2007-07-27 15:35:06 +0200 | [diff] [blame] | 543 | } |
| 544 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 545 | 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] | 546 | { |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 547 | void *p = io_u_verify_off(hdr, vc); |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 548 | struct vhdr_crc32 *vh = hdr_priv(hdr); |
| 549 | uint32_t c; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 550 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 551 | 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] | 552 | |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 553 | c = fio_crc32(p, hdr->len - hdr_size(hdr)); |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 554 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 555 | if (c == vh->crc32) |
| 556 | return 0; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 557 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 558 | vc->name = "crc32"; |
| 559 | vc->good_crc = &vh->crc32; |
| 560 | vc->bad_crc = &c; |
| 561 | vc->crc_len = 4; |
| 562 | log_verify_failure(hdr, vc); |
| 563 | return EILSEQ; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 564 | } |
| 565 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 566 | 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] | 567 | { |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 568 | void *p = io_u_verify_off(hdr, vc); |
Jens Axboe | bac39e0 | 2008-06-11 20:46:19 +0200 | [diff] [blame] | 569 | struct vhdr_crc32 *vh = hdr_priv(hdr); |
| 570 | uint32_t c; |
| 571 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 572 | 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] | 573 | |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 574 | c = fio_crc32c(p, hdr->len - hdr_size(hdr)); |
Jens Axboe | bac39e0 | 2008-06-11 20:46:19 +0200 | [diff] [blame] | 575 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 576 | if (c == vh->crc32) |
| 577 | return 0; |
Jens Axboe | bac39e0 | 2008-06-11 20:46:19 +0200 | [diff] [blame] | 578 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 579 | vc->name = "crc32c"; |
| 580 | vc->good_crc = &vh->crc32; |
| 581 | vc->bad_crc = &c; |
| 582 | vc->crc_len = 4; |
| 583 | log_verify_failure(hdr, vc); |
| 584 | return EILSEQ; |
Jens Axboe | bac39e0 | 2008-06-11 20:46:19 +0200 | [diff] [blame] | 585 | } |
| 586 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 587 | 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] | 588 | { |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 589 | void *p = io_u_verify_off(hdr, vc); |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 590 | struct vhdr_md5 *vh = hdr_priv(hdr); |
Jens Axboe | 8c43232 | 2007-07-27 13:16:24 +0200 | [diff] [blame] | 591 | uint32_t hash[MD5_HASH_WORDS]; |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 592 | struct fio_md5_ctx md5_ctx = { |
Jens Axboe | 8c43232 | 2007-07-27 13:16:24 +0200 | [diff] [blame] | 593 | .hash = hash, |
| 594 | }; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 595 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 596 | 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] | 597 | |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 598 | fio_md5_init(&md5_ctx); |
| 599 | fio_md5_update(&md5_ctx, p, hdr->len - hdr_size(hdr)); |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 600 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 601 | if (!memcmp(vh->md5_digest, md5_ctx.hash, sizeof(hash))) |
| 602 | return 0; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 603 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 604 | vc->name = "md5"; |
| 605 | vc->good_crc = vh->md5_digest; |
| 606 | vc->bad_crc = md5_ctx.hash; |
| 607 | vc->crc_len = sizeof(hash); |
| 608 | log_verify_failure(hdr, vc); |
| 609 | return EILSEQ; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 610 | } |
| 611 | |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 612 | /* |
| 613 | * Push IO verification to a separate thread |
| 614 | */ |
| 615 | int verify_io_u_async(struct thread_data *td, struct io_u *io_u) |
| 616 | { |
| 617 | if (io_u->file) |
| 618 | put_file_log(td, io_u->file); |
| 619 | |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 620 | pthread_mutex_lock(&td->io_u_lock); |
Steven Lang | d7ee2a7 | 2011-10-26 09:46:50 +0200 | [diff] [blame] | 621 | |
Radha Ramachandran | 0c41214 | 2009-11-03 21:45:31 +0100 | [diff] [blame] | 622 | if (io_u->flags & IO_U_F_IN_CUR_DEPTH) { |
| 623 | td->cur_depth--; |
| 624 | io_u->flags &= ~IO_U_F_IN_CUR_DEPTH; |
| 625 | } |
Jens Axboe | 2ae0b20 | 2013-05-28 14:16:55 +0200 | [diff] [blame] | 626 | flist_add_tail(&io_u->verify_list, &td->verify_list); |
Jens Axboe | 2ecc1b5 | 2009-11-04 20:58:09 +0100 | [diff] [blame] | 627 | io_u->flags |= IO_U_F_FREE_DEF; |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 628 | pthread_mutex_unlock(&td->io_u_lock); |
| 629 | |
| 630 | pthread_cond_signal(&td->verify_cond); |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 631 | return 0; |
| 632 | } |
| 633 | |
Jens Axboe | 0d29de8 | 2010-09-01 13:54:15 +0200 | [diff] [blame] | 634 | static int verify_trimmed_io_u(struct thread_data *td, struct io_u *io_u) |
| 635 | { |
| 636 | static char zero_buf[1024]; |
| 637 | unsigned int this_len, len; |
| 638 | int ret = 0; |
| 639 | void *p; |
| 640 | |
| 641 | if (!td->o.trim_zero) |
| 642 | return 0; |
| 643 | |
| 644 | len = io_u->buflen; |
| 645 | p = io_u->buf; |
| 646 | do { |
| 647 | this_len = sizeof(zero_buf); |
| 648 | if (this_len > len) |
| 649 | this_len = len; |
| 650 | if (memcmp(p, zero_buf, this_len)) { |
| 651 | ret = EILSEQ; |
| 652 | break; |
| 653 | } |
| 654 | len -= this_len; |
| 655 | p += this_len; |
| 656 | } while (len); |
| 657 | |
| 658 | if (!ret) |
| 659 | return 0; |
| 660 | |
Jens Axboe | a917a8b | 2010-09-02 13:23:20 +0200 | [diff] [blame] | 661 | log_err("trim: verify failed at file %s offset %llu, length %lu" |
| 662 | ", block offset %lu\n", |
| 663 | io_u->file->file_name, io_u->offset, io_u->buflen, |
Jens Axboe | 2f68124 | 2010-10-21 08:15:59 +0200 | [diff] [blame] | 664 | (unsigned long) (p - io_u->buf)); |
Jens Axboe | 0d29de8 | 2010-09-01 13:54:15 +0200 | [diff] [blame] | 665 | return ret; |
| 666 | } |
| 667 | |
Jens Axboe | 0ae2c6e | 2012-03-06 17:46:44 +0100 | [diff] [blame] | 668 | 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] | 669 | { |
| 670 | void *p = hdr; |
| 671 | uint32_t crc; |
| 672 | |
Jens Axboe | ae38c0d | 2012-02-23 10:31:07 +0100 | [diff] [blame] | 673 | if (hdr->magic != FIO_HDR_MAGIC) |
Juan Casse | e9e177c | 2013-09-17 14:06:14 -0700 | [diff] [blame] | 674 | return 1; |
| 675 | if (hdr->len > io_u->buflen) |
| 676 | return 2; |
| 677 | if (hdr->rand_seed != io_u->rand_seed) |
| 678 | return 3; |
Jens Axboe | ae38c0d | 2012-02-23 10:31:07 +0100 | [diff] [blame] | 679 | |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 680 | crc = fio_crc32c(p, offsetof(struct verify_header, crc32)); |
Jens Axboe | f65d1c2 | 2012-02-22 20:11:57 +0100 | [diff] [blame] | 681 | if (crc == hdr->crc32) |
Juan Casse | e9e177c | 2013-09-17 14:06:14 -0700 | [diff] [blame] | 682 | return 0; |
Jens Axboe | f65d1c2 | 2012-02-22 20:11:57 +0100 | [diff] [blame] | 683 | 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] | 684 | return 4; |
Jens Axboe | f65d1c2 | 2012-02-22 20:11:57 +0100 | [diff] [blame] | 685 | } |
| 686 | |
Jens Axboe | 36690c9 | 2007-03-26 10:23:34 +0200 | [diff] [blame] | 687 | 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] | 688 | { |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 689 | struct verify_header *hdr; |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 690 | unsigned int header_size, hdr_inc, hdr_num = 0; |
Jens Axboe | 9564610 | 2007-07-28 21:17:50 +0200 | [diff] [blame] | 691 | void *p; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 692 | int ret; |
| 693 | |
Shawn Lewis | 1dcc049 | 2007-07-27 08:02:45 +0200 | [diff] [blame] | 694 | if (td->o.verify == VERIFY_NULL || io_u->ddir != DDIR_READ) |
Jens Axboe | 36690c9 | 2007-03-26 10:23:34 +0200 | [diff] [blame] | 695 | return 0; |
Jens Axboe | 0d29de8 | 2010-09-01 13:54:15 +0200 | [diff] [blame] | 696 | if (io_u->flags & IO_U_F_TRIMMED) { |
| 697 | ret = verify_trimmed_io_u(td, io_u); |
| 698 | goto done; |
| 699 | } |
Jens Axboe | 36690c9 | 2007-03-26 10:23:34 +0200 | [diff] [blame] | 700 | |
Jens Axboe | cfbcd0d | 2011-01-14 14:49:20 +0100 | [diff] [blame] | 701 | hdr_inc = get_hdr_inc(td, io_u); |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 702 | |
Jens Axboe | a12a3b4 | 2007-08-09 10:20:54 +0200 | [diff] [blame] | 703 | ret = 0; |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 704 | for (p = io_u->buf; p < io_u->buf + io_u->buflen; |
| 705 | p += hdr_inc, hdr_num++) { |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 706 | struct vcont vc = { |
| 707 | .io_u = io_u, |
| 708 | .hdr_num = hdr_num, |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 709 | .td = td, |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 710 | }; |
Jens Axboe | f00b210 | 2012-11-30 09:39:02 +0100 | [diff] [blame] | 711 | unsigned int verify_type; |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 712 | |
Jens Axboe | f3e6cb9 | 2010-06-18 14:48:43 +0200 | [diff] [blame] | 713 | if (ret && td->o.verify_fatal) |
Jens Axboe | a12a3b4 | 2007-08-09 10:20:54 +0200 | [diff] [blame] | 714 | break; |
Jens Axboe | f3e6cb9 | 2010-06-18 14:48:43 +0200 | [diff] [blame] | 715 | |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 716 | header_size = __hdr_size(td->o.verify); |
Jens Axboe | a59e170 | 2007-07-30 08:53:27 +0200 | [diff] [blame] | 717 | if (td->o.verify_offset) |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 718 | memswp(p, p + td->o.verify_offset, header_size); |
Jens Axboe | 9564610 | 2007-07-28 21:17:50 +0200 | [diff] [blame] | 719 | hdr = p; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 720 | |
Puthikorn Voravootivat | c4b6117 | 2014-02-05 10:17:11 -0700 | [diff] [blame] | 721 | /* |
| 722 | * Make rand_seed check pass when have verifysort or |
| 723 | * verify_backlog. |
| 724 | */ |
| 725 | if (td->o.verifysort || (td->flags & TD_F_VER_BACKLOG)) |
| 726 | io_u->rand_seed = hdr->rand_seed; |
| 727 | |
Juan Casse | e9e177c | 2013-09-17 14:06:14 -0700 | [diff] [blame] | 728 | ret = verify_header(io_u, hdr); |
| 729 | switch (ret) { |
| 730 | case 0: |
| 731 | break; |
| 732 | case 1: |
Jens Axboe | ae38c0d | 2012-02-23 10:31:07 +0100 | [diff] [blame] | 733 | log_err("verify: bad magic header %x, wanted %x at " |
| 734 | "file %s offset %llu, length %u\n", |
Jens Axboe | d3a173a | 2012-02-23 08:23:18 +0100 | [diff] [blame] | 735 | hdr->magic, FIO_HDR_MAGIC, |
Jens Axboe | c9b4403 | 2010-06-18 14:46:06 +0200 | [diff] [blame] | 736 | io_u->file->file_name, |
| 737 | io_u->offset + hdr_num * hdr->len, hdr->len); |
Jens Axboe | 9fd1896 | 2009-05-19 10:35:38 +0200 | [diff] [blame] | 738 | return EILSEQ; |
Juan Casse | e9e177c | 2013-09-17 14:06:14 -0700 | [diff] [blame] | 739 | break; |
| 740 | case 2: |
| 741 | log_err("fio: verify header exceeds buffer length (%u " |
| 742 | "> %lu)\n", hdr->len, io_u->buflen); |
| 743 | return EILSEQ; |
| 744 | break; |
| 745 | case 3: |
| 746 | log_err("verify: bad header rand_seed %"PRIu64 |
| 747 | ", wanted %"PRIu64" at file %s offset %llu, " |
| 748 | "length %u\n", |
| 749 | hdr->rand_seed, io_u->rand_seed, |
| 750 | io_u->file->file_name, |
| 751 | io_u->offset + hdr_num * hdr->len, hdr->len); |
| 752 | return EILSEQ; |
| 753 | break; |
| 754 | case 4: |
| 755 | return EILSEQ; |
| 756 | break; |
| 757 | default: |
| 758 | log_err("verify: unknown header error at file %s " |
| 759 | "offset %llu, length %u\n", |
| 760 | io_u->file->file_name, |
| 761 | io_u->offset + hdr_num * hdr->len, hdr->len); |
| 762 | return EILSEQ; |
Jens Axboe | 3f199b0 | 2007-08-09 10:16:31 +0200 | [diff] [blame] | 763 | } |
| 764 | |
Jens Axboe | f00b210 | 2012-11-30 09:39:02 +0100 | [diff] [blame] | 765 | if (td->o.verify != VERIFY_NONE) |
| 766 | verify_type = td->o.verify; |
| 767 | else |
| 768 | verify_type = hdr->verify_type; |
| 769 | |
| 770 | switch (verify_type) { |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 771 | case VERIFY_MD5: |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 772 | ret = verify_io_u_md5(hdr, &vc); |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 773 | break; |
| 774 | case VERIFY_CRC64: |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 775 | ret = verify_io_u_crc64(hdr, &vc); |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 776 | break; |
Jens Axboe | bac39e0 | 2008-06-11 20:46:19 +0200 | [diff] [blame] | 777 | case VERIFY_CRC32C: |
Jens Axboe | 3845591 | 2008-08-04 15:35:26 +0200 | [diff] [blame] | 778 | case VERIFY_CRC32C_INTEL: |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 779 | ret = verify_io_u_crc32c(hdr, &vc); |
Jens Axboe | bac39e0 | 2008-06-11 20:46:19 +0200 | [diff] [blame] | 780 | break; |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 781 | case VERIFY_CRC32: |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 782 | ret = verify_io_u_crc32(hdr, &vc); |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 783 | break; |
| 784 | case VERIFY_CRC16: |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 785 | ret = verify_io_u_crc16(hdr, &vc); |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 786 | break; |
| 787 | case VERIFY_CRC7: |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 788 | ret = verify_io_u_crc7(hdr, &vc); |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 789 | break; |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 790 | case VERIFY_SHA256: |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 791 | ret = verify_io_u_sha256(hdr, &vc); |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 792 | break; |
| 793 | case VERIFY_SHA512: |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 794 | ret = verify_io_u_sha512(hdr, &vc); |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 795 | break; |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 796 | case VERIFY_META: |
Jens Axboe | 92bf48d | 2011-01-14 21:20:42 +0100 | [diff] [blame] | 797 | ret = verify_io_u_meta(hdr, &vc); |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 798 | break; |
Jens Axboe | 7c353ce | 2009-08-09 22:40:33 +0200 | [diff] [blame] | 799 | case VERIFY_SHA1: |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 800 | ret = verify_io_u_sha1(hdr, &vc); |
Jens Axboe | 7c353ce | 2009-08-09 22:40:33 +0200 | [diff] [blame] | 801 | break; |
Jens Axboe | 92bf48d | 2011-01-14 21:20:42 +0100 | [diff] [blame] | 802 | case VERIFY_PATTERN: |
| 803 | ret = verify_io_u_pattern(hdr, &vc); |
| 804 | break; |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 805 | default: |
| 806 | log_err("Bad verify type %u\n", hdr->verify_type); |
Jens Axboe | d16d4e0 | 2007-09-06 16:16:44 +0200 | [diff] [blame] | 807 | ret = EINVAL; |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 808 | } |
Jens Axboe | f00b210 | 2012-11-30 09:39:02 +0100 | [diff] [blame] | 809 | |
| 810 | if (ret && verify_type != hdr->verify_type) |
| 811 | log_err("fio: verify type mismatch (%u media, %u given)\n", |
| 812 | hdr->verify_type, verify_type); |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 813 | } |
Jens Axboe | a7dfe86 | 2007-03-12 10:05:08 +0100 | [diff] [blame] | 814 | |
Jens Axboe | 0d29de8 | 2010-09-01 13:54:15 +0200 | [diff] [blame] | 815 | done: |
Jens Axboe | f3e6cb9 | 2010-06-18 14:48:43 +0200 | [diff] [blame] | 816 | if (ret && td->o.verify_fatal) |
| 817 | td->terminate = 1; |
| 818 | |
Jens Axboe | a12a3b4 | 2007-08-09 10:20:54 +0200 | [diff] [blame] | 819 | return ret; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 820 | } |
| 821 | |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 822 | static void fill_meta(struct verify_header *hdr, struct thread_data *td, |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 823 | struct io_u *io_u, unsigned int header_num) |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 824 | { |
| 825 | struct vhdr_meta *vh = hdr_priv(hdr); |
| 826 | |
| 827 | vh->thread = td->thread_number; |
| 828 | |
| 829 | vh->time_sec = io_u->start_time.tv_sec; |
| 830 | vh->time_usec = io_u->start_time.tv_usec; |
| 831 | |
Juan Casse | da0a7bd | 2013-09-17 14:06:12 -0700 | [diff] [blame] | 832 | vh->numberio = io_u->numberio; |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 833 | |
| 834 | vh->offset = io_u->offset + header_num * td->o.verify_interval; |
| 835 | } |
| 836 | |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 837 | static void fill_sha512(struct verify_header *hdr, void *p, unsigned int len) |
| 838 | { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 839 | struct vhdr_sha512 *vh = hdr_priv(hdr); |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 840 | struct fio_sha512_ctx sha512_ctx = { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 841 | .buf = vh->sha512, |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 842 | }; |
| 843 | |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 844 | fio_sha512_init(&sha512_ctx); |
| 845 | fio_sha512_update(&sha512_ctx, p, len); |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 846 | } |
| 847 | |
| 848 | static void fill_sha256(struct verify_header *hdr, void *p, unsigned int len) |
| 849 | { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 850 | struct vhdr_sha256 *vh = hdr_priv(hdr); |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 851 | struct fio_sha256_ctx sha256_ctx = { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 852 | .buf = vh->sha256, |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 853 | }; |
| 854 | |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 855 | fio_sha256_init(&sha256_ctx); |
| 856 | fio_sha256_update(&sha256_ctx, p, len); |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 857 | } |
| 858 | |
Jens Axboe | 7c353ce | 2009-08-09 22:40:33 +0200 | [diff] [blame] | 859 | static void fill_sha1(struct verify_header *hdr, void *p, unsigned int len) |
| 860 | { |
| 861 | struct vhdr_sha1 *vh = hdr_priv(hdr); |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 862 | struct fio_sha1_ctx sha1_ctx = { |
Jens Axboe | 7c353ce | 2009-08-09 22:40:33 +0200 | [diff] [blame] | 863 | .H = vh->sha1, |
| 864 | }; |
| 865 | |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 866 | fio_sha1_init(&sha1_ctx); |
| 867 | fio_sha1_update(&sha1_ctx, p, len); |
Jens Axboe | 7c353ce | 2009-08-09 22:40:33 +0200 | [diff] [blame] | 868 | } |
| 869 | |
Jens Axboe | 1e154bd | 2007-07-27 09:52:40 +0200 | [diff] [blame] | 870 | static void fill_crc7(struct verify_header *hdr, void *p, unsigned int len) |
| 871 | { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 872 | struct vhdr_crc7 *vh = hdr_priv(hdr); |
| 873 | |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 874 | vh->crc7 = fio_crc7(p, len); |
Jens Axboe | 1e154bd | 2007-07-27 09:52:40 +0200 | [diff] [blame] | 875 | } |
| 876 | |
Jens Axboe | 969f7ed | 2007-07-27 09:07:17 +0200 | [diff] [blame] | 877 | static void fill_crc16(struct verify_header *hdr, void *p, unsigned int len) |
| 878 | { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 879 | struct vhdr_crc16 *vh = hdr_priv(hdr); |
| 880 | |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 881 | vh->crc16 = fio_crc16(p, len); |
Jens Axboe | 969f7ed | 2007-07-27 09:07:17 +0200 | [diff] [blame] | 882 | } |
| 883 | |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 884 | static void fill_crc32(struct verify_header *hdr, void *p, unsigned int len) |
| 885 | { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 886 | struct vhdr_crc32 *vh = hdr_priv(hdr); |
| 887 | |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 888 | vh->crc32 = fio_crc32(p, len); |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 889 | } |
| 890 | |
Jens Axboe | bac39e0 | 2008-06-11 20:46:19 +0200 | [diff] [blame] | 891 | static void fill_crc32c(struct verify_header *hdr, void *p, unsigned int len) |
| 892 | { |
| 893 | struct vhdr_crc32 *vh = hdr_priv(hdr); |
| 894 | |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 895 | vh->crc32 = fio_crc32c(p, len); |
Jens Axboe | bac39e0 | 2008-06-11 20:46:19 +0200 | [diff] [blame] | 896 | } |
| 897 | |
Jens Axboe | d77a7af | 2007-07-27 15:35:06 +0200 | [diff] [blame] | 898 | static void fill_crc64(struct verify_header *hdr, void *p, unsigned int len) |
| 899 | { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 900 | struct vhdr_crc64 *vh = hdr_priv(hdr); |
| 901 | |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 902 | vh->crc64 = fio_crc64(p, len); |
Jens Axboe | d77a7af | 2007-07-27 15:35:06 +0200 | [diff] [blame] | 903 | } |
| 904 | |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 905 | static void fill_md5(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_md5 *vh = hdr_priv(hdr); |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 908 | struct fio_md5_ctx md5_ctx = { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 909 | .hash = (uint32_t *) vh->md5_digest, |
Jens Axboe | 8c43232 | 2007-07-27 13:16:24 +0200 | [diff] [blame] | 910 | }; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 911 | |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 912 | fio_md5_init(&md5_ctx); |
| 913 | fio_md5_update(&md5_ctx, p, len); |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 914 | } |
| 915 | |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 916 | static void populate_hdr(struct thread_data *td, struct io_u *io_u, |
| 917 | struct verify_header *hdr, unsigned int header_num, |
| 918 | unsigned int header_len) |
| 919 | { |
| 920 | unsigned int data_len; |
| 921 | void *data, *p; |
| 922 | |
| 923 | p = (void *) hdr; |
| 924 | |
Jens Axboe | d3a173a | 2012-02-23 08:23:18 +0100 | [diff] [blame] | 925 | hdr->magic = FIO_HDR_MAGIC; |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 926 | hdr->verify_type = td->o.verify; |
Jens Axboe | d3a173a | 2012-02-23 08:23:18 +0100 | [diff] [blame] | 927 | hdr->len = header_len; |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 928 | hdr->rand_seed = io_u->rand_seed; |
Jens Axboe | 25dfa84 | 2012-02-29 10:01:34 +0100 | [diff] [blame] | 929 | hdr->crc32 = fio_crc32c(p, offsetof(struct verify_header, crc32)); |
Jens Axboe | f65d1c2 | 2012-02-22 20:11:57 +0100 | [diff] [blame] | 930 | |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 931 | data_len = header_len - hdr_size(hdr); |
| 932 | |
| 933 | data = p + hdr_size(hdr); |
| 934 | switch (td->o.verify) { |
| 935 | case VERIFY_MD5: |
| 936 | dprint(FD_VERIFY, "fill md5 io_u %p, len %u\n", |
| 937 | io_u, hdr->len); |
| 938 | fill_md5(hdr, data, data_len); |
| 939 | break; |
| 940 | case VERIFY_CRC64: |
| 941 | dprint(FD_VERIFY, "fill crc64 io_u %p, len %u\n", |
| 942 | io_u, hdr->len); |
| 943 | fill_crc64(hdr, data, data_len); |
| 944 | break; |
| 945 | case VERIFY_CRC32C: |
| 946 | case VERIFY_CRC32C_INTEL: |
| 947 | dprint(FD_VERIFY, "fill crc32c io_u %p, len %u\n", |
| 948 | io_u, hdr->len); |
| 949 | fill_crc32c(hdr, data, data_len); |
| 950 | break; |
| 951 | case VERIFY_CRC32: |
| 952 | dprint(FD_VERIFY, "fill crc32 io_u %p, len %u\n", |
| 953 | io_u, hdr->len); |
| 954 | fill_crc32(hdr, data, data_len); |
| 955 | break; |
| 956 | case VERIFY_CRC16: |
| 957 | dprint(FD_VERIFY, "fill crc16 io_u %p, len %u\n", |
| 958 | io_u, hdr->len); |
| 959 | fill_crc16(hdr, data, data_len); |
| 960 | break; |
| 961 | case VERIFY_CRC7: |
| 962 | dprint(FD_VERIFY, "fill crc7 io_u %p, len %u\n", |
| 963 | io_u, hdr->len); |
| 964 | fill_crc7(hdr, data, data_len); |
| 965 | break; |
| 966 | case VERIFY_SHA256: |
| 967 | dprint(FD_VERIFY, "fill sha256 io_u %p, len %u\n", |
| 968 | io_u, hdr->len); |
| 969 | fill_sha256(hdr, data, data_len); |
| 970 | break; |
| 971 | case VERIFY_SHA512: |
| 972 | dprint(FD_VERIFY, "fill sha512 io_u %p, len %u\n", |
| 973 | io_u, hdr->len); |
| 974 | fill_sha512(hdr, data, data_len); |
| 975 | break; |
| 976 | case VERIFY_META: |
| 977 | dprint(FD_VERIFY, "fill meta io_u %p, len %u\n", |
| 978 | io_u, hdr->len); |
| 979 | fill_meta(hdr, td, io_u, header_num); |
| 980 | break; |
| 981 | case VERIFY_SHA1: |
| 982 | dprint(FD_VERIFY, "fill sha1 io_u %p, len %u\n", |
| 983 | io_u, hdr->len); |
| 984 | fill_sha1(hdr, data, data_len); |
| 985 | break; |
Jens Axboe | 92bf48d | 2011-01-14 21:20:42 +0100 | [diff] [blame] | 986 | case VERIFY_PATTERN: |
| 987 | /* nothing to do here */ |
| 988 | break; |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 989 | default: |
| 990 | log_err("fio: bad verify type: %d\n", td->o.verify); |
| 991 | assert(0); |
| 992 | } |
| 993 | if (td->o.verify_offset) |
| 994 | memswp(p, p + td->o.verify_offset, hdr_size(hdr)); |
| 995 | } |
| 996 | |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 997 | /* |
| 998 | * 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] | 999 | * checksum of choice |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 1000 | */ |
| 1001 | void populate_verify_io_u(struct thread_data *td, struct io_u *io_u) |
| 1002 | { |
Jens Axboe | 9cc3d15 | 2007-03-26 10:32:30 +0200 | [diff] [blame] | 1003 | if (td->o.verify == VERIFY_NULL) |
| 1004 | return; |
| 1005 | |
Juan Casse | da0a7bd | 2013-09-17 14:06:12 -0700 | [diff] [blame] | 1006 | io_u->numberio = td->io_issues[io_u->ddir]; |
| 1007 | |
Jens Axboe | c50ca7b | 2011-01-12 08:31:54 +0100 | [diff] [blame] | 1008 | fill_pattern_headers(td, io_u, 0, 0); |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 1009 | } |
| 1010 | |
| 1011 | int get_next_verify(struct thread_data *td, struct io_u *io_u) |
| 1012 | { |
Jens Axboe | 8de8f04 | 2007-03-27 10:36:12 +0200 | [diff] [blame] | 1013 | struct io_piece *ipo = NULL; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 1014 | |
Jens Axboe | d2d7fa5 | 2007-02-19 13:21:35 +0100 | [diff] [blame] | 1015 | /* |
| 1016 | * this io_u is from a requeue, we already filled the offsets |
| 1017 | */ |
| 1018 | if (io_u->file) |
| 1019 | return 0; |
| 1020 | |
Jens Axboe | 8de8f04 | 2007-03-27 10:36:12 +0200 | [diff] [blame] | 1021 | if (!RB_EMPTY_ROOT(&td->io_hist_tree)) { |
| 1022 | struct rb_node *n = rb_first(&td->io_hist_tree); |
| 1023 | |
Jens Axboe | 4b87898 | 2007-03-26 09:32:22 +0200 | [diff] [blame] | 1024 | ipo = rb_entry(n, struct io_piece, rb_node); |
Jens Axboe | f940128 | 2014-02-06 12:17:37 -0700 | [diff] [blame] | 1025 | |
| 1026 | /* |
| 1027 | * Ensure that the associated IO has completed |
| 1028 | */ |
| 1029 | read_barrier(); |
| 1030 | if (ipo->flags & IP_F_IN_FLIGHT) |
| 1031 | goto nothing; |
| 1032 | |
Jens Axboe | 4b87898 | 2007-03-26 09:32:22 +0200 | [diff] [blame] | 1033 | rb_erase(n, &td->io_hist_tree); |
Jens Axboe | a917a8b | 2010-09-02 13:23:20 +0200 | [diff] [blame] | 1034 | assert(ipo->flags & IP_F_ONRB); |
| 1035 | ipo->flags &= ~IP_F_ONRB; |
Jens Axboe | 01743ee | 2008-06-02 12:19:19 +0200 | [diff] [blame] | 1036 | } else if (!flist_empty(&td->io_hist_list)) { |
| 1037 | ipo = flist_entry(td->io_hist_list.next, struct io_piece, list); |
Jens Axboe | f940128 | 2014-02-06 12:17:37 -0700 | [diff] [blame] | 1038 | |
| 1039 | /* |
| 1040 | * Ensure that the associated IO has completed |
| 1041 | */ |
| 1042 | read_barrier(); |
| 1043 | if (ipo->flags & IP_F_IN_FLIGHT) |
| 1044 | goto nothing; |
| 1045 | |
Jens Axboe | 01743ee | 2008-06-02 12:19:19 +0200 | [diff] [blame] | 1046 | flist_del(&ipo->list); |
Jens Axboe | a917a8b | 2010-09-02 13:23:20 +0200 | [diff] [blame] | 1047 | assert(ipo->flags & IP_F_ONLIST); |
| 1048 | ipo->flags &= ~IP_F_ONLIST; |
Jens Axboe | 8de8f04 | 2007-03-27 10:36:12 +0200 | [diff] [blame] | 1049 | } |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 1050 | |
Jens Axboe | 8de8f04 | 2007-03-27 10:36:12 +0200 | [diff] [blame] | 1051 | if (ipo) { |
Jens Axboe | 0d29de8 | 2010-09-01 13:54:15 +0200 | [diff] [blame] | 1052 | td->io_hist_len--; |
| 1053 | |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 1054 | io_u->offset = ipo->offset; |
| 1055 | io_u->buflen = ipo->len; |
Juan Casse | da0a7bd | 2013-09-17 14:06:12 -0700 | [diff] [blame] | 1056 | io_u->numberio = ipo->numberio; |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 1057 | io_u->file = ipo->file; |
Jens Axboe | 82af2a7 | 2012-03-13 13:45:58 +0100 | [diff] [blame] | 1058 | io_u->flags |= IO_U_F_VER_LIST; |
Jens Axboe | 97af62c | 2007-05-22 11:12:13 +0200 | [diff] [blame] | 1059 | |
Jens Axboe | 0d29de8 | 2010-09-01 13:54:15 +0200 | [diff] [blame] | 1060 | if (ipo->flags & IP_F_TRIMMED) |
| 1061 | io_u->flags |= IO_U_F_TRIMMED; |
| 1062 | |
Jens Axboe | d6aed79 | 2009-06-03 08:41:15 +0200 | [diff] [blame] | 1063 | if (!fio_file_open(io_u->file)) { |
Jens Axboe | 97af62c | 2007-05-22 11:12:13 +0200 | [diff] [blame] | 1064 | int r = td_io_open_file(td, io_u->file); |
| 1065 | |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 1066 | if (r) { |
| 1067 | dprint(FD_VERIFY, "failed file %s open\n", |
| 1068 | io_u->file->file_name); |
Jens Axboe | 97af62c | 2007-05-22 11:12:13 +0200 | [diff] [blame] | 1069 | return 1; |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 1070 | } |
Jens Axboe | 97af62c | 2007-05-22 11:12:13 +0200 | [diff] [blame] | 1071 | } |
| 1072 | |
| 1073 | get_file(ipo->file); |
Jens Axboe | d6aed79 | 2009-06-03 08:41:15 +0200 | [diff] [blame] | 1074 | assert(fio_file_open(io_u->file)); |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 1075 | io_u->ddir = DDIR_READ; |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 1076 | io_u->xfer_buf = io_u->buf; |
| 1077 | io_u->xfer_buflen = io_u->buflen; |
Jens Axboe | 0d29de8 | 2010-09-01 13:54:15 +0200 | [diff] [blame] | 1078 | |
| 1079 | remove_trim_entry(td, ipo); |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 1080 | free(ipo); |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 1081 | 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] | 1082 | |
| 1083 | if (!td->o.verify_pattern_bytes) { |
| 1084 | io_u->rand_seed = __rand(&td->__verify_state); |
| 1085 | if (sizeof(int) != sizeof(long *)) |
| 1086 | io_u->rand_seed *= __rand(&td->__verify_state); |
| 1087 | } |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 1088 | return 0; |
| 1089 | } |
| 1090 | |
Jens Axboe | f940128 | 2014-02-06 12:17:37 -0700 | [diff] [blame] | 1091 | nothing: |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 1092 | dprint(FD_VERIFY, "get_next_verify: empty\n"); |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 1093 | return 1; |
| 1094 | } |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 1095 | |
Jens Axboe | dc5bfbb | 2013-04-10 22:23:40 +0200 | [diff] [blame] | 1096 | void fio_verify_init(struct thread_data *td) |
| 1097 | { |
| 1098 | if (td->o.verify == VERIFY_CRC32C_INTEL || |
| 1099 | td->o.verify == VERIFY_CRC32C) { |
| 1100 | crc32c_intel_probe(); |
| 1101 | } |
| 1102 | } |
| 1103 | |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 1104 | static void *verify_async_thread(void *data) |
| 1105 | { |
| 1106 | struct thread_data *td = data; |
| 1107 | struct io_u *io_u; |
| 1108 | int ret = 0; |
| 1109 | |
| 1110 | if (td->o.verify_cpumask_set && |
| 1111 | fio_setaffinity(td->pid, td->o.verify_cpumask)) { |
| 1112 | log_err("fio: failed setting verify thread affinity\n"); |
| 1113 | goto done; |
| 1114 | } |
| 1115 | |
| 1116 | do { |
Jens Axboe | e53ab27 | 2009-07-06 13:43:46 +0200 | [diff] [blame] | 1117 | FLIST_HEAD(list); |
| 1118 | |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 1119 | read_barrier(); |
| 1120 | if (td->verify_thread_exit) |
| 1121 | break; |
| 1122 | |
| 1123 | pthread_mutex_lock(&td->io_u_lock); |
| 1124 | |
| 1125 | while (flist_empty(&td->verify_list) && |
| 1126 | !td->verify_thread_exit) { |
Jens Axboe | b36e298 | 2009-07-06 14:12:52 +0200 | [diff] [blame] | 1127 | ret = pthread_cond_wait(&td->verify_cond, |
| 1128 | &td->io_u_lock); |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 1129 | if (ret) { |
| 1130 | pthread_mutex_unlock(&td->io_u_lock); |
| 1131 | break; |
| 1132 | } |
| 1133 | } |
| 1134 | |
Jens Axboe | e53ab27 | 2009-07-06 13:43:46 +0200 | [diff] [blame] | 1135 | flist_splice_init(&td->verify_list, &list); |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 1136 | pthread_mutex_unlock(&td->io_u_lock); |
| 1137 | |
Jens Axboe | e53ab27 | 2009-07-06 13:43:46 +0200 | [diff] [blame] | 1138 | if (flist_empty(&list)) |
| 1139 | continue; |
| 1140 | |
| 1141 | while (!flist_empty(&list)) { |
Jens Axboe | 2ae0b20 | 2013-05-28 14:16:55 +0200 | [diff] [blame] | 1142 | io_u = flist_entry(list.next, struct io_u, verify_list); |
| 1143 | flist_del(&io_u->verify_list); |
Jens Axboe | e53ab27 | 2009-07-06 13:43:46 +0200 | [diff] [blame] | 1144 | |
Jens Axboe | d561f2a | 2009-07-06 13:51:05 +0200 | [diff] [blame] | 1145 | ret = verify_io_u(td, io_u); |
Jens Axboe | e53ab27 | 2009-07-06 13:43:46 +0200 | [diff] [blame] | 1146 | put_io_u(td, io_u); |
Jens Axboe | d561f2a | 2009-07-06 13:51:05 +0200 | [diff] [blame] | 1147 | if (!ret) |
| 1148 | continue; |
Dmitry Monakhov | 8b28bd4 | 2012-09-23 15:46:09 +0400 | [diff] [blame] | 1149 | if (td_non_fatal_error(td, ERROR_TYPE_VERIFY_BIT, ret)) { |
Jens Axboe | d561f2a | 2009-07-06 13:51:05 +0200 | [diff] [blame] | 1150 | update_error_count(td, ret); |
| 1151 | td_clear_error(td); |
| 1152 | ret = 0; |
| 1153 | } |
Jens Axboe | e53ab27 | 2009-07-06 13:43:46 +0200 | [diff] [blame] | 1154 | } |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 1155 | } while (!ret); |
| 1156 | |
Jens Axboe | d561f2a | 2009-07-06 13:51:05 +0200 | [diff] [blame] | 1157 | if (ret) { |
| 1158 | td_verror(td, ret, "async_verify"); |
Jens Axboe | f3e6cb9 | 2010-06-18 14:48:43 +0200 | [diff] [blame] | 1159 | if (td->o.verify_fatal) |
| 1160 | td->terminate = 1; |
Jens Axboe | d561f2a | 2009-07-06 13:51:05 +0200 | [diff] [blame] | 1161 | } |
| 1162 | |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 1163 | done: |
| 1164 | pthread_mutex_lock(&td->io_u_lock); |
| 1165 | td->nr_verify_threads--; |
| 1166 | pthread_mutex_unlock(&td->io_u_lock); |
| 1167 | |
| 1168 | pthread_cond_signal(&td->free_cond); |
| 1169 | return NULL; |
| 1170 | } |
| 1171 | |
| 1172 | int verify_async_init(struct thread_data *td) |
| 1173 | { |
| 1174 | int i, ret; |
bart Van Assche | 304a47c | 2010-08-01 21:31:26 +0200 | [diff] [blame] | 1175 | pthread_attr_t attr; |
| 1176 | |
| 1177 | pthread_attr_init(&attr); |
| 1178 | pthread_attr_setstacksize(&attr, PTHREAD_STACK_MIN); |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 1179 | |
| 1180 | td->verify_thread_exit = 0; |
| 1181 | |
| 1182 | td->verify_threads = malloc(sizeof(pthread_t) * td->o.verify_async); |
| 1183 | for (i = 0; i < td->o.verify_async; i++) { |
bart Van Assche | 304a47c | 2010-08-01 21:31:26 +0200 | [diff] [blame] | 1184 | ret = pthread_create(&td->verify_threads[i], &attr, |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 1185 | verify_async_thread, td); |
| 1186 | if (ret) { |
| 1187 | log_err("fio: async verify creation failed: %s\n", |
| 1188 | strerror(ret)); |
| 1189 | break; |
| 1190 | } |
| 1191 | ret = pthread_detach(td->verify_threads[i]); |
| 1192 | if (ret) { |
| 1193 | log_err("fio: async verify thread detach failed: %s\n", |
| 1194 | strerror(ret)); |
| 1195 | break; |
| 1196 | } |
| 1197 | td->nr_verify_threads++; |
| 1198 | } |
| 1199 | |
bart Van Assche | 304a47c | 2010-08-01 21:31:26 +0200 | [diff] [blame] | 1200 | pthread_attr_destroy(&attr); |
| 1201 | |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 1202 | if (i != td->o.verify_async) { |
Jens Axboe | e40823b | 2009-07-06 14:28:21 +0200 | [diff] [blame] | 1203 | log_err("fio: only %d verify threads started, exiting\n", i); |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 1204 | td->verify_thread_exit = 1; |
| 1205 | write_barrier(); |
| 1206 | pthread_cond_broadcast(&td->verify_cond); |
| 1207 | return 1; |
| 1208 | } |
| 1209 | |
| 1210 | return 0; |
| 1211 | } |
| 1212 | |
| 1213 | void verify_async_exit(struct thread_data *td) |
| 1214 | { |
| 1215 | td->verify_thread_exit = 1; |
| 1216 | write_barrier(); |
| 1217 | pthread_cond_broadcast(&td->verify_cond); |
| 1218 | |
| 1219 | pthread_mutex_lock(&td->io_u_lock); |
| 1220 | |
| 1221 | while (td->nr_verify_threads) |
| 1222 | pthread_cond_wait(&td->free_cond, &td->io_u_lock); |
| 1223 | |
| 1224 | pthread_mutex_unlock(&td->io_u_lock); |
| 1225 | free(td->verify_threads); |
| 1226 | td->verify_threads = NULL; |
| 1227 | } |