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 | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 13 | #include "smalloc.h" |
Jens Axboe | 0d29de8 | 2010-09-01 13:54:15 +0200 | [diff] [blame] | 14 | #include "trim.h" |
Jens Axboe | 637ef8d | 2010-06-21 20:39:38 +0200 | [diff] [blame] | 15 | #include "lib/rand.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 | |
| 31 | void fill_pattern(struct thread_data *td, void *p, unsigned int len, struct io_u *io_u, unsigned long seed, int use_seed) |
Jens Axboe | 90059d6 | 2007-07-30 09:33:12 +0200 | [diff] [blame] | 32 | { |
| 33 | switch (td->o.verify_pattern_bytes) { |
| 34 | case 0: |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 35 | dprint(FD_VERIFY, "fill random bytes len=%u\n", len); |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 36 | if (use_seed) |
| 37 | __fill_random_buf(p, len, seed); |
| 38 | else |
Jens Axboe | 3545a10 | 2011-08-31 15:20:15 -0600 | [diff] [blame] | 39 | io_u->rand_seed = fill_random_buf(&td->buf_state, p, len); |
Jens Axboe | 90059d6 | 2007-07-30 09:33:12 +0200 | [diff] [blame] | 40 | break; |
| 41 | case 1: |
Jens Axboe | efda12b | 2011-01-14 15:32:30 +0100 | [diff] [blame] | 42 | /* |
| 43 | * See below write barrier comment |
| 44 | */ |
| 45 | #if 0 |
| 46 | read_barrier(); |
Radha Ramachandran | 10e8a7b | 2010-07-14 17:39:05 -0600 | [diff] [blame] | 47 | if (io_u->buf_filled_len >= len) { |
Radha Ramachandran | cbe8d75 | 2010-07-14 08:36:07 +0200 | [diff] [blame] | 48 | dprint(FD_VERIFY, "using already filled verify pattern b=0 len=%u\n", len); |
| 49 | return; |
| 50 | } |
Jens Axboe | efda12b | 2011-01-14 15:32:30 +0100 | [diff] [blame] | 51 | #endif |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 52 | dprint(FD_VERIFY, "fill verify pattern b=0 len=%u\n", len); |
Radha Ramachandran | 0e92f87 | 2009-10-27 20:14:27 +0100 | [diff] [blame] | 53 | memset(p, td->o.verify_pattern[0], len); |
Jens Axboe | efda12b | 2011-01-14 15:32:30 +0100 | [diff] [blame] | 54 | /* |
| 55 | * We need to ensure that the pattern stores are seen before |
| 56 | * the fill length store, or we could observe headers that |
| 57 | * aren't valid to the extent notified by the fill length |
| 58 | */ |
| 59 | write_barrier(); |
Radha Ramachandran | cbe8d75 | 2010-07-14 08:36:07 +0200 | [diff] [blame] | 60 | io_u->buf_filled_len = len; |
Jens Axboe | 90059d6 | 2007-07-30 09:33:12 +0200 | [diff] [blame] | 61 | break; |
Radha Ramachandran | 0e92f87 | 2009-10-27 20:14:27 +0100 | [diff] [blame] | 62 | default: { |
| 63 | unsigned int i = 0, size = 0; |
Jens Axboe | 90059d6 | 2007-07-30 09:33:12 +0200 | [diff] [blame] | 64 | unsigned char *b = p; |
| 65 | |
Jens Axboe | efda12b | 2011-01-14 15:32:30 +0100 | [diff] [blame] | 66 | #if 0 |
| 67 | read_barrier(); |
Radha Ramachandran | 10e8a7b | 2010-07-14 17:39:05 -0600 | [diff] [blame] | 68 | if (io_u->buf_filled_len >= len) { |
Radha Ramachandran | cbe8d75 | 2010-07-14 08:36:07 +0200 | [diff] [blame] | 69 | dprint(FD_VERIFY, "using already filled verify pattern b=%d len=%u\n", |
| 70 | td->o.verify_pattern_bytes, len); |
| 71 | return; |
| 72 | } |
Jens Axboe | efda12b | 2011-01-14 15:32:30 +0100 | [diff] [blame] | 73 | #endif |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 74 | dprint(FD_VERIFY, "fill verify pattern b=%d len=%u\n", |
| 75 | td->o.verify_pattern_bytes, len); |
| 76 | |
Jens Axboe | 90059d6 | 2007-07-30 09:33:12 +0200 | [diff] [blame] | 77 | while (i < len) { |
Radha Ramachandran | 0e92f87 | 2009-10-27 20:14:27 +0100 | [diff] [blame] | 78 | size = td->o.verify_pattern_bytes; |
| 79 | if (size > (len - i)) |
| 80 | size = len - i; |
| 81 | memcpy(b+i, td->o.verify_pattern, size); |
| 82 | i += size; |
Jens Axboe | 90059d6 | 2007-07-30 09:33:12 +0200 | [diff] [blame] | 83 | } |
Jens Axboe | efda12b | 2011-01-14 15:32:30 +0100 | [diff] [blame] | 84 | write_barrier(); |
Radha Ramachandran | cbe8d75 | 2010-07-14 08:36:07 +0200 | [diff] [blame] | 85 | io_u->buf_filled_len = len; |
Jens Axboe | 90059d6 | 2007-07-30 09:33:12 +0200 | [diff] [blame] | 86 | break; |
| 87 | } |
| 88 | } |
| 89 | } |
| 90 | |
Jens Axboe | cfbcd0d | 2011-01-14 14:49:20 +0100 | [diff] [blame] | 91 | static unsigned int get_hdr_inc(struct thread_data *td, struct io_u *io_u) |
| 92 | { |
| 93 | unsigned int hdr_inc; |
| 94 | |
| 95 | hdr_inc = io_u->buflen; |
| 96 | if (td->o.verify_interval) |
| 97 | hdr_inc = td->o.verify_interval; |
| 98 | |
| 99 | return hdr_inc; |
| 100 | } |
| 101 | |
Jens Axboe | c50ca7b | 2011-01-12 08:31:54 +0100 | [diff] [blame] | 102 | static void fill_pattern_headers(struct thread_data *td, struct io_u *io_u, |
| 103 | unsigned long seed, int use_seed) |
| 104 | { |
| 105 | unsigned int hdr_inc, header_num; |
| 106 | struct verify_header *hdr; |
| 107 | void *p = io_u->buf; |
| 108 | |
| 109 | fill_pattern(td, p, io_u->buflen, io_u, seed, use_seed); |
| 110 | |
Jens Axboe | cfbcd0d | 2011-01-14 14:49:20 +0100 | [diff] [blame] | 111 | hdr_inc = get_hdr_inc(td, io_u); |
Jens Axboe | c50ca7b | 2011-01-12 08:31:54 +0100 | [diff] [blame] | 112 | header_num = 0; |
| 113 | for (; p < io_u->buf + io_u->buflen; p += hdr_inc) { |
| 114 | hdr = p; |
| 115 | populate_hdr(td, io_u, hdr, header_num, hdr_inc); |
| 116 | header_num++; |
| 117 | } |
| 118 | } |
| 119 | |
Jens Axboe | 4764aec | 2007-08-23 09:03:38 +0200 | [diff] [blame] | 120 | static void memswp(void *buf1, void *buf2, unsigned int len) |
Shawn Lewis | 546a914 | 2007-07-28 21:11:37 +0200 | [diff] [blame] | 121 | { |
Shawn Lewis | dee6de7 | 2007-08-02 22:17:52 +0200 | [diff] [blame] | 122 | char swap[200]; |
| 123 | |
| 124 | assert(len <= sizeof(swap)); |
Jens Axboe | 90059d6 | 2007-07-30 09:33:12 +0200 | [diff] [blame] | 125 | |
Shawn Lewis | 546a914 | 2007-07-28 21:11:37 +0200 | [diff] [blame] | 126 | memcpy(&swap, buf1, len); |
| 127 | memcpy(buf1, buf2, len); |
| 128 | memcpy(buf2, &swap, len); |
| 129 | } |
| 130 | |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 131 | static void hexdump(void *buffer, int len) |
| 132 | { |
| 133 | unsigned char *p = buffer; |
| 134 | int i; |
| 135 | |
| 136 | for (i = 0; i < len; i++) |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 137 | log_err("%02x", p[i]); |
| 138 | log_err("\n"); |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 139 | } |
| 140 | |
Jens Axboe | d9f2caf | 2007-07-28 21:22:03 +0200 | [diff] [blame] | 141 | /* |
Jens Axboe | 8767783 | 2007-07-30 12:08:14 +0200 | [diff] [blame] | 142 | * Prepare for seperation of verify_header and checksum header |
| 143 | */ |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 144 | static inline unsigned int __hdr_size(int verify_type) |
Jens Axboe | 8767783 | 2007-07-30 12:08:14 +0200 | [diff] [blame] | 145 | { |
Bruce Cran | 03e20d6 | 2011-01-02 20:14:54 +0100 | [diff] [blame] | 146 | unsigned int len = 0; |
Jens Axboe | 8767783 | 2007-07-30 12:08:14 +0200 | [diff] [blame] | 147 | |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 148 | switch (verify_type) { |
| 149 | case VERIFY_NONE: |
| 150 | case VERIFY_NULL: |
| 151 | len = 0; |
| 152 | break; |
| 153 | case VERIFY_MD5: |
| 154 | len = sizeof(struct vhdr_md5); |
| 155 | break; |
| 156 | case VERIFY_CRC64: |
| 157 | len = sizeof(struct vhdr_crc64); |
| 158 | break; |
Jens Axboe | bac39e0 | 2008-06-11 20:46:19 +0200 | [diff] [blame] | 159 | case VERIFY_CRC32C: |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 160 | case VERIFY_CRC32: |
Jens Axboe | 3845591 | 2008-08-04 15:35:26 +0200 | [diff] [blame] | 161 | case VERIFY_CRC32C_INTEL: |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 162 | len = sizeof(struct vhdr_crc32); |
| 163 | break; |
| 164 | case VERIFY_CRC16: |
| 165 | len = sizeof(struct vhdr_crc16); |
| 166 | break; |
| 167 | case VERIFY_CRC7: |
| 168 | len = sizeof(struct vhdr_crc7); |
| 169 | break; |
| 170 | case VERIFY_SHA256: |
| 171 | len = sizeof(struct vhdr_sha256); |
| 172 | break; |
| 173 | case VERIFY_SHA512: |
| 174 | len = sizeof(struct vhdr_sha512); |
| 175 | break; |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 176 | case VERIFY_META: |
| 177 | len = sizeof(struct vhdr_meta); |
| 178 | break; |
Jens Axboe | 7c353ce | 2009-08-09 22:40:33 +0200 | [diff] [blame] | 179 | case VERIFY_SHA1: |
| 180 | len = sizeof(struct vhdr_sha1); |
| 181 | break; |
Jens Axboe | 92bf48d | 2011-01-14 21:20:42 +0100 | [diff] [blame] | 182 | case VERIFY_PATTERN: |
| 183 | len = 0; |
| 184 | break; |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 185 | default: |
| 186 | log_err("fio: unknown verify header!\n"); |
| 187 | assert(0); |
| 188 | } |
| 189 | |
| 190 | return len + sizeof(struct verify_header); |
Jens Axboe | 8767783 | 2007-07-30 12:08:14 +0200 | [diff] [blame] | 191 | } |
| 192 | |
| 193 | static inline unsigned int hdr_size(struct verify_header *hdr) |
| 194 | { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 195 | return __hdr_size(hdr->verify_type); |
| 196 | } |
| 197 | |
| 198 | static void *hdr_priv(struct verify_header *hdr) |
| 199 | { |
| 200 | void *priv = hdr; |
| 201 | |
| 202 | return priv + sizeof(struct verify_header); |
Jens Axboe | 8767783 | 2007-07-30 12:08:14 +0200 | [diff] [blame] | 203 | } |
| 204 | |
| 205 | /* |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 206 | * Verify container, pass info to verify handlers and allow them to |
| 207 | * pass info back in case of error |
| 208 | */ |
| 209 | struct vcont { |
| 210 | /* |
| 211 | * Input |
| 212 | */ |
| 213 | struct io_u *io_u; |
| 214 | unsigned int hdr_num; |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 215 | struct thread_data *td; |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 216 | |
| 217 | /* |
| 218 | * Output, only valid in case of error |
| 219 | */ |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 220 | const char *name; |
| 221 | void *good_crc; |
| 222 | void *bad_crc; |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 223 | unsigned int crc_len; |
| 224 | }; |
| 225 | |
Jens Axboe | c50ca7b | 2011-01-12 08:31:54 +0100 | [diff] [blame] | 226 | static void dump_buf(char *buf, unsigned int len, unsigned long long offset, |
| 227 | const char *type, struct fio_file *f) |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 228 | { |
Jens Axboe | 6f260b3 | 2011-01-13 18:57:54 +0100 | [diff] [blame] | 229 | char *ptr, fname[256]; |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 230 | int ret, fd; |
| 231 | |
Jens Axboe | 6f260b3 | 2011-01-13 18:57:54 +0100 | [diff] [blame] | 232 | ptr = strdup(f->file_name); |
| 233 | strcpy(fname, basename(ptr)); |
Jens Axboe | c50ca7b | 2011-01-12 08:31:54 +0100 | [diff] [blame] | 234 | |
| 235 | sprintf(fname + strlen(fname), ".%llu.%s", offset, type); |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 236 | |
| 237 | fd = open(fname, O_CREAT | O_TRUNC | O_WRONLY, 0644); |
| 238 | if (fd < 0) { |
| 239 | perror("open verify buf file"); |
| 240 | return; |
| 241 | } |
| 242 | |
| 243 | while (len) { |
| 244 | ret = write(fd, buf, len); |
| 245 | if (!ret) |
| 246 | break; |
| 247 | else if (ret < 0) { |
| 248 | perror("write verify buf file"); |
| 249 | break; |
| 250 | } |
| 251 | len -= ret; |
| 252 | buf += ret; |
| 253 | } |
| 254 | |
| 255 | close(fd); |
Jens Axboe | c50ca7b | 2011-01-12 08:31:54 +0100 | [diff] [blame] | 256 | log_err(" %s data dumped as %s\n", type, fname); |
Jens Axboe | 6f260b3 | 2011-01-13 18:57:54 +0100 | [diff] [blame] | 257 | free(ptr); |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 258 | } |
| 259 | |
Jens Axboe | c50ca7b | 2011-01-12 08:31:54 +0100 | [diff] [blame] | 260 | /* |
| 261 | * Dump the contents of the read block and re-generate the correct data |
| 262 | * and dump that too. |
| 263 | */ |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 264 | static void dump_verify_buffers(struct verify_header *hdr, struct vcont *vc) |
| 265 | { |
| 266 | struct thread_data *td = vc->td; |
| 267 | struct io_u *io_u = vc->io_u; |
| 268 | unsigned long hdr_offset; |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 269 | struct io_u dummy; |
Jens Axboe | c50ca7b | 2011-01-12 08:31:54 +0100 | [diff] [blame] | 270 | void *buf; |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 271 | |
Steven Lang | 0dce9bc | 2011-10-25 22:41:05 +0200 | [diff] [blame^] | 272 | if (!td->o.verify_dump) |
| 273 | return; |
| 274 | |
Jens Axboe | c50ca7b | 2011-01-12 08:31:54 +0100 | [diff] [blame] | 275 | /* |
| 276 | * Dump the contents we just read off disk |
| 277 | */ |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 278 | hdr_offset = vc->hdr_num * hdr->len; |
| 279 | |
Jens Axboe | c50ca7b | 2011-01-12 08:31:54 +0100 | [diff] [blame] | 280 | dump_buf(io_u->buf + hdr_offset, hdr->len, io_u->offset + hdr_offset, |
| 281 | "received", vc->io_u->file); |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 282 | |
Jens Axboe | c50ca7b | 2011-01-12 08:31:54 +0100 | [diff] [blame] | 283 | /* |
| 284 | * Allocate a new buf and re-generate the original data |
| 285 | */ |
| 286 | buf = malloc(io_u->buflen); |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 287 | dummy = *io_u; |
Jens Axboe | c50ca7b | 2011-01-12 08:31:54 +0100 | [diff] [blame] | 288 | dummy.buf = buf; |
Jens Axboe | 4aae38a | 2011-01-12 08:59:12 +0100 | [diff] [blame] | 289 | dummy.rand_seed = hdr->rand_seed; |
Jens Axboe | cfbcd0d | 2011-01-14 14:49:20 +0100 | [diff] [blame] | 290 | dummy.buf_filled_len = 0; |
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 unsigned int hweight8(unsigned int w) |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 327 | { |
Jens Axboe | 92bf48d | 2011-01-14 21:20:42 +0100 | [diff] [blame] | 328 | unsigned int res = w - ((w >> 1) & 0x55); |
| 329 | |
| 330 | res = (res & 0x33) + ((res >> 2) & 0x33); |
| 331 | return (res + (res >> 4)) & 0x0F; |
| 332 | } |
| 333 | |
| 334 | static int verify_io_u_pattern(struct verify_header *hdr, struct vcont *vc) |
| 335 | { |
| 336 | struct thread_data *td = vc->td; |
| 337 | struct io_u *io_u = vc->io_u; |
| 338 | char *buf, *pattern; |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 339 | unsigned int header_size = __hdr_size(td->o.verify); |
Jens Axboe | 92bf48d | 2011-01-14 21:20:42 +0100 | [diff] [blame] | 340 | unsigned int len, mod, i; |
| 341 | |
| 342 | pattern = td->o.verify_pattern; |
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; |
| 345 | mod = header_size % td->o.verify_pattern_bytes; |
Jens Axboe | 92bf48d | 2011-01-14 21:20:42 +0100 | [diff] [blame] | 346 | |
| 347 | for (i = 0; i < len; i++) { |
| 348 | if (buf[i] != pattern[mod]) { |
| 349 | unsigned int bits; |
| 350 | |
| 351 | bits = hweight8(buf[i] ^ pattern[mod]); |
| 352 | log_err("fio: got pattern %x, wanted %x. Bad bits %d\n", |
| 353 | buf[i], pattern[mod], bits); |
| 354 | log_err("fio: bad pattern block offset %u\n", i); |
| 355 | dump_verify_buffers(hdr, vc); |
| 356 | return EILSEQ; |
| 357 | } |
| 358 | mod++; |
| 359 | if (mod == td->o.verify_pattern_bytes) |
| 360 | mod = 0; |
| 361 | } |
| 362 | |
| 363 | return 0; |
| 364 | } |
| 365 | |
| 366 | static int verify_io_u_meta(struct verify_header *hdr, struct vcont *vc) |
| 367 | { |
| 368 | struct thread_data *td = vc->td; |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 369 | struct vhdr_meta *vh = hdr_priv(hdr); |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 370 | struct io_u *io_u = vc->io_u; |
Jens Axboe | 92bf48d | 2011-01-14 21:20:42 +0100 | [diff] [blame] | 371 | int ret = EILSEQ; |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 372 | |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 373 | dprint(FD_VERIFY, "meta verify io_u %p, len %u\n", io_u, hdr->len); |
| 374 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 375 | 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] | 376 | ret = 0; |
| 377 | |
| 378 | if (td->o.verify_pattern_bytes) |
| 379 | ret |= verify_io_u_pattern(hdr, vc); |
| 380 | |
| 381 | if (!ret) |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 382 | return 0; |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 383 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 384 | vc->name = "meta"; |
| 385 | log_verify_failure(hdr, vc); |
Jens Axboe | 92bf48d | 2011-01-14 21:20:42 +0100 | [diff] [blame] | 386 | return ret; |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 387 | } |
| 388 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 389 | 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] | 390 | { |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 391 | void *p = io_u_verify_off(hdr, vc); |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 392 | struct vhdr_sha512 *vh = hdr_priv(hdr); |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 393 | uint8_t sha512[128]; |
| 394 | struct sha512_ctx sha512_ctx = { |
| 395 | .buf = sha512, |
| 396 | }; |
| 397 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 398 | 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] | 399 | |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 400 | sha512_init(&sha512_ctx); |
Jens Axboe | 8767783 | 2007-07-30 12:08:14 +0200 | [diff] [blame] | 401 | sha512_update(&sha512_ctx, p, hdr->len - hdr_size(hdr)); |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 402 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 403 | if (!memcmp(vh->sha512, sha512_ctx.buf, sizeof(sha512))) |
| 404 | return 0; |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 405 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 406 | vc->name = "sha512"; |
| 407 | vc->good_crc = vh->sha512; |
| 408 | vc->bad_crc = sha512_ctx.buf; |
| 409 | vc->crc_len = sizeof(vh->sha512); |
| 410 | log_verify_failure(hdr, vc); |
| 411 | return EILSEQ; |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 412 | } |
| 413 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 414 | 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] | 415 | { |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 416 | void *p = io_u_verify_off(hdr, vc); |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 417 | struct vhdr_sha256 *vh = hdr_priv(hdr); |
Jens Axboe | bc77f56 | 2010-02-23 10:36:21 +0100 | [diff] [blame] | 418 | uint8_t sha256[64]; |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 419 | struct sha256_ctx sha256_ctx = { |
| 420 | .buf = sha256, |
| 421 | }; |
| 422 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 423 | 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] | 424 | |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 425 | sha256_init(&sha256_ctx); |
Jens Axboe | 8767783 | 2007-07-30 12:08:14 +0200 | [diff] [blame] | 426 | sha256_update(&sha256_ctx, p, hdr->len - hdr_size(hdr)); |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 427 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 428 | if (!memcmp(vh->sha256, sha256_ctx.buf, sizeof(sha256))) |
| 429 | return 0; |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 430 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 431 | vc->name = "sha256"; |
| 432 | vc->good_crc = vh->sha256; |
| 433 | vc->bad_crc = sha256_ctx.buf; |
| 434 | vc->crc_len = sizeof(vh->sha256); |
| 435 | log_verify_failure(hdr, vc); |
| 436 | return EILSEQ; |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 437 | } |
| 438 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 439 | 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] | 440 | { |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 441 | void *p = io_u_verify_off(hdr, vc); |
Jens Axboe | 7c353ce | 2009-08-09 22:40:33 +0200 | [diff] [blame] | 442 | struct vhdr_sha1 *vh = hdr_priv(hdr); |
| 443 | uint32_t sha1[5]; |
| 444 | struct sha1_ctx sha1_ctx = { |
| 445 | .H = sha1, |
| 446 | }; |
| 447 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 448 | 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] | 449 | |
| 450 | sha1_init(&sha1_ctx); |
| 451 | sha1_update(&sha1_ctx, p, hdr->len - hdr_size(hdr)); |
| 452 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 453 | if (!memcmp(vh->sha1, sha1_ctx.H, sizeof(sha1))) |
| 454 | return 0; |
Jens Axboe | 7c353ce | 2009-08-09 22:40:33 +0200 | [diff] [blame] | 455 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 456 | vc->name = "sha1"; |
| 457 | vc->good_crc = vh->sha1; |
| 458 | vc->bad_crc = sha1_ctx.H; |
| 459 | vc->crc_len = sizeof(vh->sha1); |
| 460 | log_verify_failure(hdr, vc); |
| 461 | return EILSEQ; |
Jens Axboe | 7c353ce | 2009-08-09 22:40:33 +0200 | [diff] [blame] | 462 | } |
| 463 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 464 | 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] | 465 | { |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 466 | void *p = io_u_verify_off(hdr, vc); |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 467 | struct vhdr_crc7 *vh = hdr_priv(hdr); |
Jens Axboe | 1e154bd | 2007-07-27 09:52:40 +0200 | [diff] [blame] | 468 | unsigned char c; |
| 469 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 470 | 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] | 471 | |
Jens Axboe | 8767783 | 2007-07-30 12:08:14 +0200 | [diff] [blame] | 472 | c = crc7(p, hdr->len - hdr_size(hdr)); |
Jens Axboe | 1e154bd | 2007-07-27 09:52:40 +0200 | [diff] [blame] | 473 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 474 | if (c == vh->crc7) |
| 475 | return 0; |
Jens Axboe | 1e154bd | 2007-07-27 09:52:40 +0200 | [diff] [blame] | 476 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 477 | vc->name = "crc7"; |
| 478 | vc->good_crc = &vh->crc7; |
| 479 | vc->bad_crc = &c; |
| 480 | vc->crc_len = 1; |
| 481 | log_verify_failure(hdr, vc); |
| 482 | return EILSEQ; |
Jens Axboe | 1e154bd | 2007-07-27 09:52:40 +0200 | [diff] [blame] | 483 | } |
| 484 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 485 | 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] | 486 | { |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 487 | void *p = io_u_verify_off(hdr, vc); |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 488 | struct vhdr_crc16 *vh = hdr_priv(hdr); |
Jens Axboe | 969f7ed | 2007-07-27 09:07:17 +0200 | [diff] [blame] | 489 | unsigned short c; |
| 490 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 491 | 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] | 492 | |
Jens Axboe | 8767783 | 2007-07-30 12:08:14 +0200 | [diff] [blame] | 493 | c = crc16(p, hdr->len - hdr_size(hdr)); |
Jens Axboe | 969f7ed | 2007-07-27 09:07:17 +0200 | [diff] [blame] | 494 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 495 | if (c == vh->crc16) |
| 496 | return 0; |
Jens Axboe | 969f7ed | 2007-07-27 09:07:17 +0200 | [diff] [blame] | 497 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 498 | vc->name = "crc16"; |
| 499 | vc->good_crc = &vh->crc16; |
| 500 | vc->bad_crc = &c; |
| 501 | vc->crc_len = 2; |
| 502 | log_verify_failure(hdr, vc); |
| 503 | return EILSEQ; |
Jens Axboe | 969f7ed | 2007-07-27 09:07:17 +0200 | [diff] [blame] | 504 | } |
| 505 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 506 | 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] | 507 | { |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 508 | void *p = io_u_verify_off(hdr, vc); |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 509 | struct vhdr_crc64 *vh = hdr_priv(hdr); |
Jens Axboe | d77a7af | 2007-07-27 15:35:06 +0200 | [diff] [blame] | 510 | unsigned long long c; |
| 511 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 512 | 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] | 513 | |
Jens Axboe | 8767783 | 2007-07-30 12:08:14 +0200 | [diff] [blame] | 514 | c = crc64(p, hdr->len - hdr_size(hdr)); |
Jens Axboe | d77a7af | 2007-07-27 15:35:06 +0200 | [diff] [blame] | 515 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 516 | if (c == vh->crc64) |
| 517 | return 0; |
Jens Axboe | d77a7af | 2007-07-27 15:35:06 +0200 | [diff] [blame] | 518 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 519 | vc->name = "crc64"; |
| 520 | vc->good_crc = &vh->crc64; |
| 521 | vc->bad_crc = &c; |
| 522 | vc->crc_len = 8; |
| 523 | log_verify_failure(hdr, vc); |
| 524 | return EILSEQ; |
Jens Axboe | d77a7af | 2007-07-27 15:35:06 +0200 | [diff] [blame] | 525 | } |
| 526 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 527 | 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] | 528 | { |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 529 | void *p = io_u_verify_off(hdr, vc); |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 530 | struct vhdr_crc32 *vh = hdr_priv(hdr); |
| 531 | uint32_t c; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 532 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 533 | 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] | 534 | |
Jens Axboe | 8767783 | 2007-07-30 12:08:14 +0200 | [diff] [blame] | 535 | c = crc32(p, hdr->len - hdr_size(hdr)); |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 536 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 537 | if (c == vh->crc32) |
| 538 | return 0; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 539 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 540 | vc->name = "crc32"; |
| 541 | vc->good_crc = &vh->crc32; |
| 542 | vc->bad_crc = &c; |
| 543 | vc->crc_len = 4; |
| 544 | log_verify_failure(hdr, vc); |
| 545 | return EILSEQ; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 546 | } |
| 547 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 548 | 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] | 549 | { |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 550 | void *p = io_u_verify_off(hdr, vc); |
Jens Axboe | bac39e0 | 2008-06-11 20:46:19 +0200 | [diff] [blame] | 551 | struct vhdr_crc32 *vh = hdr_priv(hdr); |
| 552 | uint32_t c; |
| 553 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 554 | 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] | 555 | |
Jens Axboe | 3845591 | 2008-08-04 15:35:26 +0200 | [diff] [blame] | 556 | if (hdr->verify_type == VERIFY_CRC32C_INTEL) |
| 557 | c = crc32c_intel(p, hdr->len - hdr_size(hdr)); |
| 558 | else |
| 559 | c = crc32c(p, hdr->len - hdr_size(hdr)); |
Jens Axboe | bac39e0 | 2008-06-11 20:46:19 +0200 | [diff] [blame] | 560 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 561 | if (c == vh->crc32) |
| 562 | return 0; |
Jens Axboe | bac39e0 | 2008-06-11 20:46:19 +0200 | [diff] [blame] | 563 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 564 | vc->name = "crc32c"; |
| 565 | vc->good_crc = &vh->crc32; |
| 566 | vc->bad_crc = &c; |
| 567 | vc->crc_len = 4; |
| 568 | log_verify_failure(hdr, vc); |
| 569 | return EILSEQ; |
Jens Axboe | bac39e0 | 2008-06-11 20:46:19 +0200 | [diff] [blame] | 570 | } |
| 571 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 572 | 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] | 573 | { |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 574 | void *p = io_u_verify_off(hdr, vc); |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 575 | struct vhdr_md5 *vh = hdr_priv(hdr); |
Jens Axboe | 8c43232 | 2007-07-27 13:16:24 +0200 | [diff] [blame] | 576 | uint32_t hash[MD5_HASH_WORDS]; |
| 577 | struct md5_ctx md5_ctx = { |
| 578 | .hash = hash, |
| 579 | }; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 580 | |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 581 | 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] | 582 | |
Jens Axboe | 61f821f | 2007-07-30 10:18:06 +0200 | [diff] [blame] | 583 | md5_init(&md5_ctx); |
Jens Axboe | 8767783 | 2007-07-30 12:08:14 +0200 | [diff] [blame] | 584 | md5_update(&md5_ctx, p, hdr->len - hdr_size(hdr)); |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 585 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 586 | if (!memcmp(vh->md5_digest, md5_ctx.hash, sizeof(hash))) |
| 587 | return 0; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 588 | |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 589 | vc->name = "md5"; |
| 590 | vc->good_crc = vh->md5_digest; |
| 591 | vc->bad_crc = md5_ctx.hash; |
| 592 | vc->crc_len = sizeof(hash); |
| 593 | log_verify_failure(hdr, vc); |
| 594 | return EILSEQ; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 595 | } |
| 596 | |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 597 | /* |
| 598 | * Push IO verification to a separate thread |
| 599 | */ |
| 600 | int verify_io_u_async(struct thread_data *td, struct io_u *io_u) |
| 601 | { |
| 602 | if (io_u->file) |
| 603 | put_file_log(td, io_u->file); |
| 604 | |
| 605 | io_u->file = NULL; |
| 606 | |
| 607 | pthread_mutex_lock(&td->io_u_lock); |
Radha Ramachandran | 0c41214 | 2009-11-03 21:45:31 +0100 | [diff] [blame] | 608 | |
| 609 | if (io_u->flags & IO_U_F_IN_CUR_DEPTH) { |
| 610 | td->cur_depth--; |
| 611 | io_u->flags &= ~IO_U_F_IN_CUR_DEPTH; |
| 612 | } |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 613 | flist_del(&io_u->list); |
| 614 | flist_add_tail(&io_u->list, &td->verify_list); |
Jens Axboe | 2ecc1b5 | 2009-11-04 20:58:09 +0100 | [diff] [blame] | 615 | io_u->flags |= IO_U_F_FREE_DEF; |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 616 | pthread_mutex_unlock(&td->io_u_lock); |
| 617 | |
| 618 | pthread_cond_signal(&td->verify_cond); |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 619 | return 0; |
| 620 | } |
| 621 | |
Jens Axboe | 0d29de8 | 2010-09-01 13:54:15 +0200 | [diff] [blame] | 622 | static int verify_trimmed_io_u(struct thread_data *td, struct io_u *io_u) |
| 623 | { |
| 624 | static char zero_buf[1024]; |
| 625 | unsigned int this_len, len; |
| 626 | int ret = 0; |
| 627 | void *p; |
| 628 | |
| 629 | if (!td->o.trim_zero) |
| 630 | return 0; |
| 631 | |
| 632 | len = io_u->buflen; |
| 633 | p = io_u->buf; |
| 634 | do { |
| 635 | this_len = sizeof(zero_buf); |
| 636 | if (this_len > len) |
| 637 | this_len = len; |
| 638 | if (memcmp(p, zero_buf, this_len)) { |
| 639 | ret = EILSEQ; |
| 640 | break; |
| 641 | } |
| 642 | len -= this_len; |
| 643 | p += this_len; |
| 644 | } while (len); |
| 645 | |
| 646 | if (!ret) |
| 647 | return 0; |
| 648 | |
Jens Axboe | a917a8b | 2010-09-02 13:23:20 +0200 | [diff] [blame] | 649 | log_err("trim: verify failed at file %s offset %llu, length %lu" |
| 650 | ", block offset %lu\n", |
| 651 | io_u->file->file_name, io_u->offset, io_u->buflen, |
Jens Axboe | 2f68124 | 2010-10-21 08:15:59 +0200 | [diff] [blame] | 652 | (unsigned long) (p - io_u->buf)); |
Jens Axboe | 0d29de8 | 2010-09-01 13:54:15 +0200 | [diff] [blame] | 653 | return ret; |
| 654 | } |
| 655 | |
Jens Axboe | 36690c9 | 2007-03-26 10:23:34 +0200 | [diff] [blame] | 656 | 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] | 657 | { |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 658 | struct verify_header *hdr; |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 659 | unsigned int header_size, hdr_inc, hdr_num = 0; |
Jens Axboe | 9564610 | 2007-07-28 21:17:50 +0200 | [diff] [blame] | 660 | void *p; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 661 | int ret; |
| 662 | |
Shawn Lewis | 1dcc049 | 2007-07-27 08:02:45 +0200 | [diff] [blame] | 663 | if (td->o.verify == VERIFY_NULL || io_u->ddir != DDIR_READ) |
Jens Axboe | 36690c9 | 2007-03-26 10:23:34 +0200 | [diff] [blame] | 664 | return 0; |
Jens Axboe | 0d29de8 | 2010-09-01 13:54:15 +0200 | [diff] [blame] | 665 | if (io_u->flags & IO_U_F_TRIMMED) { |
| 666 | ret = verify_trimmed_io_u(td, io_u); |
| 667 | goto done; |
| 668 | } |
Jens Axboe | 36690c9 | 2007-03-26 10:23:34 +0200 | [diff] [blame] | 669 | |
Jens Axboe | cfbcd0d | 2011-01-14 14:49:20 +0100 | [diff] [blame] | 670 | hdr_inc = get_hdr_inc(td, io_u); |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 671 | |
Jens Axboe | a12a3b4 | 2007-08-09 10:20:54 +0200 | [diff] [blame] | 672 | ret = 0; |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 673 | for (p = io_u->buf; p < io_u->buf + io_u->buflen; |
| 674 | p += hdr_inc, hdr_num++) { |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 675 | struct vcont vc = { |
| 676 | .io_u = io_u, |
| 677 | .hdr_num = hdr_num, |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 678 | .td = td, |
Jens Axboe | bfacf38 | 2010-06-18 14:29:52 +0200 | [diff] [blame] | 679 | }; |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 680 | |
Jens Axboe | f3e6cb9 | 2010-06-18 14:48:43 +0200 | [diff] [blame] | 681 | if (ret && td->o.verify_fatal) |
Jens Axboe | a12a3b4 | 2007-08-09 10:20:54 +0200 | [diff] [blame] | 682 | break; |
Jens Axboe | f3e6cb9 | 2010-06-18 14:48:43 +0200 | [diff] [blame] | 683 | |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 684 | header_size = __hdr_size(td->o.verify); |
Jens Axboe | a59e170 | 2007-07-30 08:53:27 +0200 | [diff] [blame] | 685 | if (td->o.verify_offset) |
Jens Axboe | 2b13e71 | 2011-01-19 14:04:16 -0700 | [diff] [blame] | 686 | memswp(p, p + td->o.verify_offset, header_size); |
Jens Axboe | 9564610 | 2007-07-28 21:17:50 +0200 | [diff] [blame] | 687 | hdr = p; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 688 | |
Jens Axboe | 3f199b0 | 2007-08-09 10:16:31 +0200 | [diff] [blame] | 689 | if (hdr->fio_magic != FIO_HDR_MAGIC) { |
Jens Axboe | c9b4403 | 2010-06-18 14:46:06 +0200 | [diff] [blame] | 690 | log_err("verify: bad magic header %x, wanted %x at file %s offset %llu, length %u\n", |
| 691 | hdr->fio_magic, FIO_HDR_MAGIC, |
| 692 | io_u->file->file_name, |
| 693 | io_u->offset + hdr_num * hdr->len, hdr->len); |
Jens Axboe | 9fd1896 | 2009-05-19 10:35:38 +0200 | [diff] [blame] | 694 | return EILSEQ; |
Jens Axboe | 3f199b0 | 2007-08-09 10:16:31 +0200 | [diff] [blame] | 695 | } |
| 696 | |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 697 | switch (hdr->verify_type) { |
| 698 | case VERIFY_MD5: |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 699 | ret = verify_io_u_md5(hdr, &vc); |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 700 | break; |
| 701 | case VERIFY_CRC64: |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 702 | ret = verify_io_u_crc64(hdr, &vc); |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 703 | break; |
Jens Axboe | bac39e0 | 2008-06-11 20:46:19 +0200 | [diff] [blame] | 704 | case VERIFY_CRC32C: |
Jens Axboe | 3845591 | 2008-08-04 15:35:26 +0200 | [diff] [blame] | 705 | case VERIFY_CRC32C_INTEL: |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 706 | ret = verify_io_u_crc32c(hdr, &vc); |
Jens Axboe | bac39e0 | 2008-06-11 20:46:19 +0200 | [diff] [blame] | 707 | break; |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 708 | case VERIFY_CRC32: |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 709 | ret = verify_io_u_crc32(hdr, &vc); |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 710 | break; |
| 711 | case VERIFY_CRC16: |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 712 | ret = verify_io_u_crc16(hdr, &vc); |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 713 | break; |
| 714 | case VERIFY_CRC7: |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 715 | ret = verify_io_u_crc7(hdr, &vc); |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 716 | break; |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 717 | case VERIFY_SHA256: |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 718 | ret = verify_io_u_sha256(hdr, &vc); |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 719 | break; |
| 720 | case VERIFY_SHA512: |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 721 | ret = verify_io_u_sha512(hdr, &vc); |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 722 | break; |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 723 | case VERIFY_META: |
Jens Axboe | 92bf48d | 2011-01-14 21:20:42 +0100 | [diff] [blame] | 724 | ret = verify_io_u_meta(hdr, &vc); |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 725 | break; |
Jens Axboe | 7c353ce | 2009-08-09 22:40:33 +0200 | [diff] [blame] | 726 | case VERIFY_SHA1: |
Jens Axboe | 936216f | 2010-06-18 13:44:11 +0200 | [diff] [blame] | 727 | ret = verify_io_u_sha1(hdr, &vc); |
Jens Axboe | 7c353ce | 2009-08-09 22:40:33 +0200 | [diff] [blame] | 728 | break; |
Jens Axboe | 92bf48d | 2011-01-14 21:20:42 +0100 | [diff] [blame] | 729 | case VERIFY_PATTERN: |
| 730 | ret = verify_io_u_pattern(hdr, &vc); |
| 731 | break; |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 732 | default: |
| 733 | log_err("Bad verify type %u\n", hdr->verify_type); |
Jens Axboe | d16d4e0 | 2007-09-06 16:16:44 +0200 | [diff] [blame] | 734 | ret = EINVAL; |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 735 | } |
Shawn Lewis | 3f9f4e2 | 2007-07-28 21:10:37 +0200 | [diff] [blame] | 736 | } |
Jens Axboe | a7dfe86 | 2007-03-12 10:05:08 +0100 | [diff] [blame] | 737 | |
Jens Axboe | 0d29de8 | 2010-09-01 13:54:15 +0200 | [diff] [blame] | 738 | done: |
Jens Axboe | f3e6cb9 | 2010-06-18 14:48:43 +0200 | [diff] [blame] | 739 | if (ret && td->o.verify_fatal) |
| 740 | td->terminate = 1; |
| 741 | |
Jens Axboe | a12a3b4 | 2007-08-09 10:20:54 +0200 | [diff] [blame] | 742 | return ret; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 743 | } |
| 744 | |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 745 | static void fill_meta(struct verify_header *hdr, struct thread_data *td, |
Jens Axboe | 5ec10ea | 2008-03-06 15:42:00 +0100 | [diff] [blame] | 746 | struct io_u *io_u, unsigned int header_num) |
Shawn Lewis | 7437ee8 | 2007-08-02 21:05:58 +0200 | [diff] [blame] | 747 | { |
| 748 | struct vhdr_meta *vh = hdr_priv(hdr); |
| 749 | |
| 750 | vh->thread = td->thread_number; |
| 751 | |
| 752 | vh->time_sec = io_u->start_time.tv_sec; |
| 753 | vh->time_usec = io_u->start_time.tv_usec; |
| 754 | |
| 755 | vh->numberio = td->io_issues[DDIR_WRITE]; |
| 756 | |
| 757 | vh->offset = io_u->offset + header_num * td->o.verify_interval; |
| 758 | } |
| 759 | |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 760 | static void fill_sha512(struct verify_header *hdr, void *p, unsigned int len) |
| 761 | { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 762 | struct vhdr_sha512 *vh = hdr_priv(hdr); |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 763 | struct sha512_ctx sha512_ctx = { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 764 | .buf = vh->sha512, |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 765 | }; |
| 766 | |
| 767 | sha512_init(&sha512_ctx); |
| 768 | sha512_update(&sha512_ctx, p, len); |
| 769 | } |
| 770 | |
| 771 | static void fill_sha256(struct verify_header *hdr, void *p, unsigned int len) |
| 772 | { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 773 | struct vhdr_sha256 *vh = hdr_priv(hdr); |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 774 | struct sha256_ctx sha256_ctx = { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 775 | .buf = vh->sha256, |
Jens Axboe | cd14cc1 | 2007-07-30 10:59:33 +0200 | [diff] [blame] | 776 | }; |
| 777 | |
| 778 | sha256_init(&sha256_ctx); |
| 779 | sha256_update(&sha256_ctx, p, len); |
| 780 | } |
| 781 | |
Jens Axboe | 7c353ce | 2009-08-09 22:40:33 +0200 | [diff] [blame] | 782 | static void fill_sha1(struct verify_header *hdr, void *p, unsigned int len) |
| 783 | { |
| 784 | struct vhdr_sha1 *vh = hdr_priv(hdr); |
| 785 | struct sha1_ctx sha1_ctx = { |
| 786 | .H = vh->sha1, |
| 787 | }; |
| 788 | |
| 789 | sha1_init(&sha1_ctx); |
| 790 | sha1_update(&sha1_ctx, p, len); |
| 791 | } |
| 792 | |
Jens Axboe | 1e154bd | 2007-07-27 09:52:40 +0200 | [diff] [blame] | 793 | static void fill_crc7(struct verify_header *hdr, void *p, unsigned int len) |
| 794 | { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 795 | struct vhdr_crc7 *vh = hdr_priv(hdr); |
| 796 | |
| 797 | vh->crc7 = crc7(p, len); |
Jens Axboe | 1e154bd | 2007-07-27 09:52:40 +0200 | [diff] [blame] | 798 | } |
| 799 | |
Jens Axboe | 969f7ed | 2007-07-27 09:07:17 +0200 | [diff] [blame] | 800 | static void fill_crc16(struct verify_header *hdr, void *p, unsigned int len) |
| 801 | { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 802 | struct vhdr_crc16 *vh = hdr_priv(hdr); |
| 803 | |
| 804 | vh->crc16 = crc16(p, len); |
Jens Axboe | 969f7ed | 2007-07-27 09:07:17 +0200 | [diff] [blame] | 805 | } |
| 806 | |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 807 | static void fill_crc32(struct verify_header *hdr, void *p, unsigned int len) |
| 808 | { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 809 | struct vhdr_crc32 *vh = hdr_priv(hdr); |
| 810 | |
| 811 | vh->crc32 = crc32(p, len); |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 812 | } |
| 813 | |
Jens Axboe | bac39e0 | 2008-06-11 20:46:19 +0200 | [diff] [blame] | 814 | static void fill_crc32c(struct verify_header *hdr, void *p, unsigned int len) |
| 815 | { |
| 816 | struct vhdr_crc32 *vh = hdr_priv(hdr); |
| 817 | |
Jens Axboe | 3845591 | 2008-08-04 15:35:26 +0200 | [diff] [blame] | 818 | if (hdr->verify_type == VERIFY_CRC32C_INTEL) |
| 819 | vh->crc32 = crc32c_intel(p, len); |
| 820 | else |
| 821 | vh->crc32 = crc32c(p, len); |
Jens Axboe | bac39e0 | 2008-06-11 20:46:19 +0200 | [diff] [blame] | 822 | } |
| 823 | |
Jens Axboe | d77a7af | 2007-07-27 15:35:06 +0200 | [diff] [blame] | 824 | static void fill_crc64(struct verify_header *hdr, void *p, unsigned int len) |
| 825 | { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 826 | struct vhdr_crc64 *vh = hdr_priv(hdr); |
| 827 | |
| 828 | vh->crc64 = crc64(p, len); |
Jens Axboe | d77a7af | 2007-07-27 15:35:06 +0200 | [diff] [blame] | 829 | } |
| 830 | |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 831 | static void fill_md5(struct verify_header *hdr, void *p, unsigned int len) |
| 832 | { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 833 | struct vhdr_md5 *vh = hdr_priv(hdr); |
Jens Axboe | 8c43232 | 2007-07-27 13:16:24 +0200 | [diff] [blame] | 834 | struct md5_ctx md5_ctx = { |
Jens Axboe | 546dfd9 | 2007-07-30 12:23:05 +0200 | [diff] [blame] | 835 | .hash = (uint32_t *) vh->md5_digest, |
Jens Axboe | 8c43232 | 2007-07-27 13:16:24 +0200 | [diff] [blame] | 836 | }; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 837 | |
Jens Axboe | 61f821f | 2007-07-30 10:18:06 +0200 | [diff] [blame] | 838 | md5_init(&md5_ctx); |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 839 | md5_update(&md5_ctx, p, len); |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 840 | } |
| 841 | |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 842 | static void populate_hdr(struct thread_data *td, struct io_u *io_u, |
| 843 | struct verify_header *hdr, unsigned int header_num, |
| 844 | unsigned int header_len) |
| 845 | { |
| 846 | unsigned int data_len; |
| 847 | void *data, *p; |
| 848 | |
| 849 | p = (void *) hdr; |
| 850 | |
| 851 | hdr->fio_magic = FIO_HDR_MAGIC; |
| 852 | hdr->len = header_len; |
| 853 | hdr->verify_type = td->o.verify; |
| 854 | hdr->rand_seed = io_u->rand_seed; |
| 855 | data_len = header_len - hdr_size(hdr); |
| 856 | |
| 857 | data = p + hdr_size(hdr); |
| 858 | switch (td->o.verify) { |
| 859 | case VERIFY_MD5: |
| 860 | dprint(FD_VERIFY, "fill md5 io_u %p, len %u\n", |
| 861 | io_u, hdr->len); |
| 862 | fill_md5(hdr, data, data_len); |
| 863 | break; |
| 864 | case VERIFY_CRC64: |
| 865 | dprint(FD_VERIFY, "fill crc64 io_u %p, len %u\n", |
| 866 | io_u, hdr->len); |
| 867 | fill_crc64(hdr, data, data_len); |
| 868 | break; |
| 869 | case VERIFY_CRC32C: |
| 870 | case VERIFY_CRC32C_INTEL: |
| 871 | dprint(FD_VERIFY, "fill crc32c io_u %p, len %u\n", |
| 872 | io_u, hdr->len); |
| 873 | fill_crc32c(hdr, data, data_len); |
| 874 | break; |
| 875 | case VERIFY_CRC32: |
| 876 | dprint(FD_VERIFY, "fill crc32 io_u %p, len %u\n", |
| 877 | io_u, hdr->len); |
| 878 | fill_crc32(hdr, data, data_len); |
| 879 | break; |
| 880 | case VERIFY_CRC16: |
| 881 | dprint(FD_VERIFY, "fill crc16 io_u %p, len %u\n", |
| 882 | io_u, hdr->len); |
| 883 | fill_crc16(hdr, data, data_len); |
| 884 | break; |
| 885 | case VERIFY_CRC7: |
| 886 | dprint(FD_VERIFY, "fill crc7 io_u %p, len %u\n", |
| 887 | io_u, hdr->len); |
| 888 | fill_crc7(hdr, data, data_len); |
| 889 | break; |
| 890 | case VERIFY_SHA256: |
| 891 | dprint(FD_VERIFY, "fill sha256 io_u %p, len %u\n", |
| 892 | io_u, hdr->len); |
| 893 | fill_sha256(hdr, data, data_len); |
| 894 | break; |
| 895 | case VERIFY_SHA512: |
| 896 | dprint(FD_VERIFY, "fill sha512 io_u %p, len %u\n", |
| 897 | io_u, hdr->len); |
| 898 | fill_sha512(hdr, data, data_len); |
| 899 | break; |
| 900 | case VERIFY_META: |
| 901 | dprint(FD_VERIFY, "fill meta io_u %p, len %u\n", |
| 902 | io_u, hdr->len); |
| 903 | fill_meta(hdr, td, io_u, header_num); |
| 904 | break; |
| 905 | case VERIFY_SHA1: |
| 906 | dprint(FD_VERIFY, "fill sha1 io_u %p, len %u\n", |
| 907 | io_u, hdr->len); |
| 908 | fill_sha1(hdr, data, data_len); |
| 909 | break; |
Jens Axboe | 92bf48d | 2011-01-14 21:20:42 +0100 | [diff] [blame] | 910 | case VERIFY_PATTERN: |
| 911 | /* nothing to do here */ |
| 912 | break; |
Jens Axboe | 7d9fb45 | 2011-01-11 22:16:49 +0100 | [diff] [blame] | 913 | default: |
| 914 | log_err("fio: bad verify type: %d\n", td->o.verify); |
| 915 | assert(0); |
| 916 | } |
| 917 | if (td->o.verify_offset) |
| 918 | memswp(p, p + td->o.verify_offset, hdr_size(hdr)); |
| 919 | } |
| 920 | |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 921 | /* |
| 922 | * 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] | 923 | * checksum of choice |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 924 | */ |
| 925 | void populate_verify_io_u(struct thread_data *td, struct io_u *io_u) |
| 926 | { |
Jens Axboe | 9cc3d15 | 2007-03-26 10:32:30 +0200 | [diff] [blame] | 927 | if (td->o.verify == VERIFY_NULL) |
| 928 | return; |
| 929 | |
Jens Axboe | c50ca7b | 2011-01-12 08:31:54 +0100 | [diff] [blame] | 930 | fill_pattern_headers(td, io_u, 0, 0); |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 931 | } |
| 932 | |
| 933 | int get_next_verify(struct thread_data *td, struct io_u *io_u) |
| 934 | { |
Jens Axboe | 8de8f04 | 2007-03-27 10:36:12 +0200 | [diff] [blame] | 935 | struct io_piece *ipo = NULL; |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 936 | |
Jens Axboe | d2d7fa5 | 2007-02-19 13:21:35 +0100 | [diff] [blame] | 937 | /* |
| 938 | * this io_u is from a requeue, we already filled the offsets |
| 939 | */ |
| 940 | if (io_u->file) |
| 941 | return 0; |
| 942 | |
Jens Axboe | 8de8f04 | 2007-03-27 10:36:12 +0200 | [diff] [blame] | 943 | if (!RB_EMPTY_ROOT(&td->io_hist_tree)) { |
| 944 | struct rb_node *n = rb_first(&td->io_hist_tree); |
| 945 | |
Jens Axboe | 4b87898 | 2007-03-26 09:32:22 +0200 | [diff] [blame] | 946 | ipo = rb_entry(n, struct io_piece, rb_node); |
Jens Axboe | 4b87898 | 2007-03-26 09:32:22 +0200 | [diff] [blame] | 947 | rb_erase(n, &td->io_hist_tree); |
Jens Axboe | a917a8b | 2010-09-02 13:23:20 +0200 | [diff] [blame] | 948 | assert(ipo->flags & IP_F_ONRB); |
| 949 | ipo->flags &= ~IP_F_ONRB; |
Jens Axboe | 01743ee | 2008-06-02 12:19:19 +0200 | [diff] [blame] | 950 | } else if (!flist_empty(&td->io_hist_list)) { |
| 951 | ipo = flist_entry(td->io_hist_list.next, struct io_piece, list); |
| 952 | flist_del(&ipo->list); |
Jens Axboe | a917a8b | 2010-09-02 13:23:20 +0200 | [diff] [blame] | 953 | assert(ipo->flags & IP_F_ONLIST); |
| 954 | ipo->flags &= ~IP_F_ONLIST; |
Jens Axboe | 8de8f04 | 2007-03-27 10:36:12 +0200 | [diff] [blame] | 955 | } |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 956 | |
Jens Axboe | 8de8f04 | 2007-03-27 10:36:12 +0200 | [diff] [blame] | 957 | if (ipo) { |
Jens Axboe | 0d29de8 | 2010-09-01 13:54:15 +0200 | [diff] [blame] | 958 | td->io_hist_len--; |
| 959 | |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 960 | io_u->offset = ipo->offset; |
| 961 | io_u->buflen = ipo->len; |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 962 | io_u->file = ipo->file; |
Jens Axboe | 97af62c | 2007-05-22 11:12:13 +0200 | [diff] [blame] | 963 | |
Jens Axboe | 0d29de8 | 2010-09-01 13:54:15 +0200 | [diff] [blame] | 964 | if (ipo->flags & IP_F_TRIMMED) |
| 965 | io_u->flags |= IO_U_F_TRIMMED; |
| 966 | |
Jens Axboe | d6aed79 | 2009-06-03 08:41:15 +0200 | [diff] [blame] | 967 | if (!fio_file_open(io_u->file)) { |
Jens Axboe | 97af62c | 2007-05-22 11:12:13 +0200 | [diff] [blame] | 968 | int r = td_io_open_file(td, io_u->file); |
| 969 | |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 970 | if (r) { |
| 971 | dprint(FD_VERIFY, "failed file %s open\n", |
| 972 | io_u->file->file_name); |
Jens Axboe | 97af62c | 2007-05-22 11:12:13 +0200 | [diff] [blame] | 973 | return 1; |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 974 | } |
Jens Axboe | 97af62c | 2007-05-22 11:12:13 +0200 | [diff] [blame] | 975 | } |
| 976 | |
| 977 | get_file(ipo->file); |
Jens Axboe | d6aed79 | 2009-06-03 08:41:15 +0200 | [diff] [blame] | 978 | assert(fio_file_open(io_u->file)); |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 979 | io_u->ddir = DDIR_READ; |
Jens Axboe | 36167d8 | 2007-02-18 05:41:31 +0100 | [diff] [blame] | 980 | io_u->xfer_buf = io_u->buf; |
| 981 | io_u->xfer_buflen = io_u->buflen; |
Jens Axboe | 0d29de8 | 2010-09-01 13:54:15 +0200 | [diff] [blame] | 982 | |
| 983 | remove_trim_entry(td, ipo); |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 984 | free(ipo); |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 985 | dprint(FD_VERIFY, "get_next_verify: ret io_u %p\n", io_u); |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 986 | return 0; |
| 987 | } |
| 988 | |
Jens Axboe | bd6f78b | 2008-02-01 20:27:52 +0100 | [diff] [blame] | 989 | dprint(FD_VERIFY, "get_next_verify: empty\n"); |
Jens Axboe | e29d1b7 | 2006-10-18 15:43:15 +0200 | [diff] [blame] | 990 | return 1; |
| 991 | } |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 992 | |
| 993 | static void *verify_async_thread(void *data) |
| 994 | { |
| 995 | struct thread_data *td = data; |
| 996 | struct io_u *io_u; |
| 997 | int ret = 0; |
| 998 | |
| 999 | if (td->o.verify_cpumask_set && |
| 1000 | fio_setaffinity(td->pid, td->o.verify_cpumask)) { |
| 1001 | log_err("fio: failed setting verify thread affinity\n"); |
| 1002 | goto done; |
| 1003 | } |
| 1004 | |
| 1005 | do { |
Jens Axboe | e53ab27 | 2009-07-06 13:43:46 +0200 | [diff] [blame] | 1006 | FLIST_HEAD(list); |
| 1007 | |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 1008 | read_barrier(); |
| 1009 | if (td->verify_thread_exit) |
| 1010 | break; |
| 1011 | |
| 1012 | pthread_mutex_lock(&td->io_u_lock); |
| 1013 | |
| 1014 | while (flist_empty(&td->verify_list) && |
| 1015 | !td->verify_thread_exit) { |
Jens Axboe | b36e298 | 2009-07-06 14:12:52 +0200 | [diff] [blame] | 1016 | ret = pthread_cond_wait(&td->verify_cond, |
| 1017 | &td->io_u_lock); |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 1018 | if (ret) { |
| 1019 | pthread_mutex_unlock(&td->io_u_lock); |
| 1020 | break; |
| 1021 | } |
| 1022 | } |
| 1023 | |
Jens Axboe | e53ab27 | 2009-07-06 13:43:46 +0200 | [diff] [blame] | 1024 | flist_splice_init(&td->verify_list, &list); |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 1025 | pthread_mutex_unlock(&td->io_u_lock); |
| 1026 | |
Jens Axboe | e53ab27 | 2009-07-06 13:43:46 +0200 | [diff] [blame] | 1027 | if (flist_empty(&list)) |
| 1028 | continue; |
| 1029 | |
| 1030 | while (!flist_empty(&list)) { |
| 1031 | io_u = flist_entry(list.next, struct io_u, list); |
| 1032 | flist_del_init(&io_u->list); |
| 1033 | |
Jens Axboe | d561f2a | 2009-07-06 13:51:05 +0200 | [diff] [blame] | 1034 | ret = verify_io_u(td, io_u); |
Jens Axboe | e53ab27 | 2009-07-06 13:43:46 +0200 | [diff] [blame] | 1035 | put_io_u(td, io_u); |
Jens Axboe | d561f2a | 2009-07-06 13:51:05 +0200 | [diff] [blame] | 1036 | if (!ret) |
| 1037 | continue; |
| 1038 | if (td->o.continue_on_error && |
| 1039 | td_non_fatal_error(ret)) { |
| 1040 | update_error_count(td, ret); |
| 1041 | td_clear_error(td); |
| 1042 | ret = 0; |
| 1043 | } |
Jens Axboe | e53ab27 | 2009-07-06 13:43:46 +0200 | [diff] [blame] | 1044 | } |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 1045 | } while (!ret); |
| 1046 | |
Jens Axboe | d561f2a | 2009-07-06 13:51:05 +0200 | [diff] [blame] | 1047 | if (ret) { |
| 1048 | td_verror(td, ret, "async_verify"); |
Jens Axboe | f3e6cb9 | 2010-06-18 14:48:43 +0200 | [diff] [blame] | 1049 | if (td->o.verify_fatal) |
| 1050 | td->terminate = 1; |
Jens Axboe | d561f2a | 2009-07-06 13:51:05 +0200 | [diff] [blame] | 1051 | } |
| 1052 | |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 1053 | done: |
| 1054 | pthread_mutex_lock(&td->io_u_lock); |
| 1055 | td->nr_verify_threads--; |
| 1056 | pthread_mutex_unlock(&td->io_u_lock); |
| 1057 | |
| 1058 | pthread_cond_signal(&td->free_cond); |
| 1059 | return NULL; |
| 1060 | } |
| 1061 | |
| 1062 | int verify_async_init(struct thread_data *td) |
| 1063 | { |
| 1064 | int i, ret; |
bart Van Assche | 304a47c | 2010-08-01 21:31:26 +0200 | [diff] [blame] | 1065 | pthread_attr_t attr; |
| 1066 | |
| 1067 | pthread_attr_init(&attr); |
| 1068 | pthread_attr_setstacksize(&attr, PTHREAD_STACK_MIN); |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 1069 | |
| 1070 | td->verify_thread_exit = 0; |
| 1071 | |
| 1072 | td->verify_threads = malloc(sizeof(pthread_t) * td->o.verify_async); |
| 1073 | for (i = 0; i < td->o.verify_async; i++) { |
bart Van Assche | 304a47c | 2010-08-01 21:31:26 +0200 | [diff] [blame] | 1074 | ret = pthread_create(&td->verify_threads[i], &attr, |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 1075 | verify_async_thread, td); |
| 1076 | if (ret) { |
| 1077 | log_err("fio: async verify creation failed: %s\n", |
| 1078 | strerror(ret)); |
| 1079 | break; |
| 1080 | } |
| 1081 | ret = pthread_detach(td->verify_threads[i]); |
| 1082 | if (ret) { |
| 1083 | log_err("fio: async verify thread detach failed: %s\n", |
| 1084 | strerror(ret)); |
| 1085 | break; |
| 1086 | } |
| 1087 | td->nr_verify_threads++; |
| 1088 | } |
| 1089 | |
bart Van Assche | 304a47c | 2010-08-01 21:31:26 +0200 | [diff] [blame] | 1090 | pthread_attr_destroy(&attr); |
| 1091 | |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 1092 | if (i != td->o.verify_async) { |
Jens Axboe | e40823b | 2009-07-06 14:28:21 +0200 | [diff] [blame] | 1093 | log_err("fio: only %d verify threads started, exiting\n", i); |
Jens Axboe | e8462bd | 2009-07-06 12:59:04 +0200 | [diff] [blame] | 1094 | td->verify_thread_exit = 1; |
| 1095 | write_barrier(); |
| 1096 | pthread_cond_broadcast(&td->verify_cond); |
| 1097 | return 1; |
| 1098 | } |
| 1099 | |
| 1100 | return 0; |
| 1101 | } |
| 1102 | |
| 1103 | void verify_async_exit(struct thread_data *td) |
| 1104 | { |
| 1105 | td->verify_thread_exit = 1; |
| 1106 | write_barrier(); |
| 1107 | pthread_cond_broadcast(&td->verify_cond); |
| 1108 | |
| 1109 | pthread_mutex_lock(&td->io_u_lock); |
| 1110 | |
| 1111 | while (td->nr_verify_threads) |
| 1112 | pthread_cond_wait(&td->free_cond, &td->io_u_lock); |
| 1113 | |
| 1114 | pthread_mutex_unlock(&td->io_u_lock); |
| 1115 | free(td->verify_threads); |
| 1116 | td->verify_threads = NULL; |
| 1117 | } |